{"header":{"message":"machoedit + darwinvm: Mach-O load-command rewriter & resign, cargo-fuzz target; Darwin VM spike (Virtualization.framework)","description":null,"timestamp":"2026-08-04T10:41:43.282137587Z","authors":[{}]},"hash":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC","authors":[{"login":"pmeunier","key":"AAAAC3NzaC1lZDI1NTE5AAAAILagOJFgwaMNhBWQINinKOXmqS4Gh5NgxgriXwdOoINJ"}],"deps":{"hashes":[["OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC","machoedit + darwinvm: Mach-O load-command rewriter & resign, cargo-fuzz target; Darwin VM spike (Virtualization.framework)"],["AA",null],["Z25PX6G2IWB33LRVCEI2NQ5WRGQN7RYEPSQRHKKABSO4JX3P2KPAC",""]],"deps":["Z25PX6G2IWB33LRVCEI2NQ5WRGQN7RYEPSQRHKKABSO4JX3P2KPAC"],"known":[]},"hunks":[{"FileAdd":{"meta":{"basename":"machoedit","metadata":576},"context":[{"change":2,"pos":1}],"contents":[]}},{"FileAdd":{"meta":{"basename":"tests","metadata":576},"context":[{"change":0,"pos":1}],"contents":[]}},{"FileAdd":{"meta":{"basename":"proptest_invariants.rs","metadata":0},"context":[{"change":0,"pos":24}],"contents":[{"Add":{"text":"//! Property-based regression fuzzer for machoedit's load-command rewriting.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124"}},{"Add":{"text":"//! Run with: cargo test -p machoedit --features fuzzing --test proptest_invariants","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:209"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:213"}},{"Add":{"text":"//! Drives randomized set_id / add_rpath / change_dylib edits against the signed","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:294"}},{"Add":{"text":"//! sample dylib and asserts the invariants in `machoedit::fuzzcheck`","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:364"}},{"Add":{"text":"//! (read-back correctness, ad-hoc signature validity, load-command","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:432"}},{"Add":{"text":"//! consistency, segment-protection preservation, stable file length).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:503"}},{"Add":{"text":"#![cfg(feature = \"fuzzing\")]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:532"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:533"}},{"Add":{"text":"use machoedit::fuzzcheck::{self, EditPlan};","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:577"}},{"Add":{"text":"use proptest::prelude::*;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:603"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:604"}},{"Add":{"text":"/// Printable, NUL-free bytes (Mach-O LC strings are NUL-terminated).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:674"}},{"Add":{"text":"fn bytes_no_nul(max: usize) -> impl Strategy> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:738"}},{"Add":{"text":" proptest::collection::vec(1u8..=126u8, 0..max)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:789"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:791"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:792"}},{"Add":{"text":"/// Path-ish strings up to a few hundred bytes — long enough to start","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:864"}},{"Add":{"text":"/// overflowing the header pad (which makes update() cleanly refuse).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:934"}},{"Add":{"text":"fn path_like() -> impl Strategy> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:985"}},{"Add":{"text":" bytes_no_nul(256)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1007"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1009"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1010"}},{"Add":{"text":"/// Sometimes an existing dependency of the sample, so change_dylib matches.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1087"}},{"Add":{"text":"fn dylib_old() -> impl Strategy> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1138"}},{"Add":{"text":" prop_oneof![","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1155"}},{"Add":{"text":" Just(b\"/usr/lib/libSystem.B.dylib\".to_vec()),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1209"}},{"Add":{"text":" bytes_no_nul(64),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1235"}},{"Add":{"text":" ]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1241"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1243"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1244"}},{"Add":{"text":"fn plan_strat() -> impl Strategy {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1297"}},{"Add":{"text":" (","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1303"}},{"Add":{"text":" proptest::option::of(path_like()),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1346"}},{"Add":{"text":" proptest::collection::vec(path_like(), 0..3),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1400"}},{"Add":{"text":" proptest::option::of((dylib_old(), path_like())),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1458"}},{"Add":{"text":" )","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1464"}},{"Add":{"text":" .prop_map(|(set_id, add_rpaths, change_dylib)| EditPlan {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1530"}},{"Add":{"text":" set_id,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1550"}},{"Add":{"text":" add_rpaths,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1574"}},{"Add":{"text":" change_dylib,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1600"}},{"Add":{"text":" })","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1611"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1613"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1614"}},{"Add":{"text":"proptest! {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1626"}},{"Add":{"text":" #![proptest_config(ProptestConfig { cases: 512, ..ProptestConfig::default() })]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1710"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1711"}},{"Add":{"text":" #[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1723"}},{"Add":{"text":" fn edits_preserve_invariants(plan in plan_strat()) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1780"}},{"Add":{"text":" fuzzcheck::run(&plan);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1811"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1817"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1819"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1820"}},{"Add":{"text":"// ---- deterministic smoke / regression cases ----","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1872"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1873"}},{"Add":{"text":"#[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1881"}},{"Add":{"text":"fn empty_plan_still_verifies() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1914"}},{"Add":{"text":" fuzzcheck::run(&EditPlan::default());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1956"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1958"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1959"}},{"Add":{"text":"#[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1967"}},{"Add":{"text":"fn add_one_rpath() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:1988"}},{"Add":{"text":" fuzzcheck::run(&EditPlan {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2019"}},{"Add":{"text":" add_rpaths: vec![b\"@loader_path/../lib\".to_vec()],","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2078"}},{"Add":{"text":" ..Default::default()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2107"}},{"Add":{"text":" });","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2115"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2117"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2118"}},{"Add":{"text":"#[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2126"}},{"Add":{"text":"fn set_id_then_check_signature() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2161"}},{"Add":{"text":" fuzzcheck::run(&EditPlan {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2192"}},{"Add":{"text":" set_id: Some(b\"/elpe/store/deadbeef/lib/libsample.dylib\".to_vec()),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2268"}},{"Add":{"text":" ..Default::default()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2297"}},{"Add":{"text":" });","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2305"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2307"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2308"}},{"Add":{"text":"#[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2316"}},{"Add":{"text":"fn rpath_overflowing_headerpad_is_refused_not_corrupt() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2374"}},{"Add":{"text":" // Far larger than the header pad: update() must cleanly refuse (apply","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2449"}},{"Add":{"text":" // returns None) rather than corrupt the file.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2500"}},{"Add":{"text":" fuzzcheck::run(&EditPlan {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2531"}},{"Add":{"text":" add_rpaths: vec![vec![b'a'; 8192]],","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2575"}},{"Add":{"text":" ..Default::default()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2604"}},{"Add":{"text":" });","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2612"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2614"}}]}},{"FileAdd":{"meta":{"basename":"macos_codesign.rs","metadata":0},"context":[{"change":0,"pos":24}],"contents":[{"Add":{"text":"//! End-to-end test that runs only on macOS: edit a real dylib with","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2732"}},{"Add":{"text":"//! `machoedit`, then let Apple's own `codesign` be the judge of whether","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2805"}},{"Add":{"text":"//! our ad-hoc signature is valid, and actually `dlopen` the result.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2874"}},{"Add":{"text":"#![cfg(target_os = \"macos\")]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2903"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2904"}},{"Add":{"text":"use machoedit::MachO;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2926"}},{"Add":{"text":"use std::process::Command;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2953"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:2954"}},{"Add":{"text":"fn sh(prog: &str, args: &[&str]) -> (bool, String) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3007"}},{"Add":{"text":" let out = Command::new(prog).args(args).output().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3070"}},{"Add":{"text":" let mut s = String::from_utf8_lossy(&out.stdout).into_owned();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3137"}},{"Add":{"text":" s.push_str(&String::from_utf8_lossy(&out.stderr));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3192"}},{"Add":{"text":" (out.status.success(), s)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3222"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3224"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3225"}},{"Add":{"text":"#[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3233"}},{"Add":{"text":"fn edit_then_apple_codesign_accepts_and_it_loads() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3286"}},{"Add":{"text":" let dir = tempfile::tempdir().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3330"}},{"Add":{"text":" let d = dir.path();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3354"}},{"Add":{"text":" let dylib = d.join(\"libfoo.dylib\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3394"}},{"Add":{"text":" let main = d.join(\"mainprog\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3429"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3430"}},{"Add":{"text":" std::fs::write(d.join(\"foo.c\"), b\"int foo(void){return 42;}\\n\").unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3508"}},{"Add":{"text":" std::fs::write(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3528"}},{"Add":{"text":" d.join(\"main.c\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3554"}},{"Add":{"text":" br#\"#include ","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3585"}},{"Add":{"text":"#include ","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3604"}},{"Add":{"text":"int main(){","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3616"}},{"Add":{"text":" void*h=dlopen(\"LIBPATH\",RTLD_NOW);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3653"}},{"Add":{"text":" if(!h){printf(\"dlopen fail: %s\\n\",dlerror());return 2;}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3711"}},{"Add":{"text":" int(*f)(void)=dlsym(h,\"foo\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3743"}},{"Add":{"text":" if(!f){printf(\"dlsym fail\\n\");return 3;}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3786"}},{"Add":{"text":" printf(\"foo()=%d\\n\",f());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3814"}},{"Add":{"text":" return f()==42?0:4;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3836"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3838"}},{"Add":{"text":"\"#,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3842"}},{"Add":{"text":" )","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3848"}},{"Add":{"text":" .unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3863"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3864"}},{"Add":{"text":" // Build a relocatable dylib (headerpad leaves room to grow commands).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3939"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3952"}},{"Add":{"text":" sh(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3964"}},{"Add":{"text":" \"clang\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:3985"}},{"Add":{"text":" &[","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4000"}},{"Add":{"text":" \"-dynamiclib\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4031"}},{"Add":{"text":" \"-headerpad_max_install_names\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4079"}},{"Add":{"text":" \"-o\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4101"}},{"Add":{"text":" dylib.to_str().unwrap(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4142"}},{"Add":{"text":" d.join(\"foo.c\").to_str().unwrap(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4193"}},{"Add":{"text":" \"-install_name\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4226"}},{"Add":{"text":" \"/old/path/libfoo.dylib\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4268"}},{"Add":{"text":" ],","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4283"}},{"Add":{"text":" )","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4293"}},{"Add":{"text":" .0","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4304"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4311"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4312"}},{"Add":{"text":" // main.c hardcodes the *new* install id so it must resolve via our edit.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4390"}},{"Add":{"text":" let new_id = format!(\"{}\", dylib.display());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4439"}},{"Add":{"text":" std::fs::write(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4459"}},{"Add":{"text":" d.join(\"main.c\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4485"}},{"Add":{"text":" std::fs::read_to_string(d.join(\"main.c\"))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4535"}},{"Add":{"text":" .unwrap()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4557"}},{"Add":{"text":" .replace(\"LIBPATH\", &new_id),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4599"}},{"Add":{"text":" )","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4605"}},{"Add":{"text":" .unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4620"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4633"}},{"Add":{"text":" sh(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4645"}},{"Add":{"text":" \"clang\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4666"}},{"Add":{"text":" &[","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4681"}},{"Add":{"text":" \"-o\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4703"}},{"Add":{"text":" main.to_str().unwrap(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4743"}},{"Add":{"text":" d.join(\"main.c\").to_str().unwrap()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4794"}},{"Add":{"text":" ],","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4809"}},{"Add":{"text":" )","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4819"}},{"Add":{"text":" .0","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4830"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4837"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4838"}},{"Add":{"text":" // --- the edit under test -------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4913"}},{"Add":{"text":" let mut m = MachO::open(&dylib).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4959"}},{"Add":{"text":" m.set_id(new_id.as_bytes())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:4991"}},{"Add":{"text":" .add_rpath(b\"/nix/store/deadbeef-deps/lib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5043"}},{"Add":{"text":" .unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5062"}},{"Add":{"text":" m.update().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5087"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5088"}},{"Add":{"text":" // our own structural check","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5120"}},{"Add":{"text":" let m2 = MachO::open(&dylib).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5163"}},{"Add":{"text":" assert_eq!(m2.id().unwrap().as_deref(), Some(new_id.as_bytes()));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5233"}},{"Add":{"text":" assert!(m2.verify_adhoc().unwrap());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5274"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5275"}},{"Add":{"text":" // otool sees the rewritten id + rpath","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5318"}},{"Add":{"text":" let (_, ot) = sh(\"otool\", &[\"-l\", dylib.to_str().unwrap()]);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5383"}},{"Add":{"text":" assert!(ot.contains(&new_id), \"otool -l should show new install id\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5457"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5470"}},{"Add":{"text":" ot.contains(\"/nix/store/deadbeef-deps/lib\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5523"}},{"Add":{"text":" \"otool -l should show the added LC_RPATH\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5573"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5580"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5581"}},{"Add":{"text":" // *** Apple's verdict on our hand-rolled ad-hoc signature ***","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5648"}},{"Add":{"text":" let (ok, cs) = sh(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5671"}},{"Add":{"text":" \"codesign\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5691"}},{"Add":{"text":" &[\"--verify\", \"--verbose=4\", dylib.to_str().unwrap()],","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5754"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5761"}},{"Add":{"text":" assert!(ok, \"Apple codesign rejected our signature:\\n{cs}\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5826"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5827"}},{"Add":{"text":" // and it must actually load and run","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5868"}},{"Add":{"text":" let (ran, run_out) = sh(main.to_str().unwrap(), &[]);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5926"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5939"}},{"Add":{"text":" ran && run_out.contains(\"foo()=42\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:5984"}},{"Add":{"text":" \"dlopen/run failed:\\n{run_out}\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6024"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6031"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6033"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6034"}},{"Add":{"text":"fn hex(bytes: &[u8]) -> String {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6067"}},{"Add":{"text":" bytes.iter().map(|b| format!(\"{b:02x}\")).collect()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6122"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6124"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6125"}},{"Add":{"text":"fn build_dylib(dir: &std::path::Path, name: &str) -> std::path::PathBuf {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6199"}},{"Add":{"text":" std::fs::write(dir.join(\"foo.c\"), b\"int foo(void){return 42;}\\n\").unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6279"}},{"Add":{"text":" let out = dir.join(name);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6309"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6322"}},{"Add":{"text":" sh(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6334"}},{"Add":{"text":" \"clang\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6355"}},{"Add":{"text":" &[","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6370"}},{"Add":{"text":" \"-dynamiclib\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6401"}},{"Add":{"text":" \"-headerpad_max_install_names\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6449"}},{"Add":{"text":" \"-o\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6471"}},{"Add":{"text":" out.to_str().unwrap(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6510"}},{"Add":{"text":" dir.join(\"foo.c\").to_str().unwrap(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6563"}},{"Add":{"text":" \"-install_name\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6596"}},{"Add":{"text":" \"/old/path/libfoo.dylib\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6638"}},{"Add":{"text":" ],","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6653"}},{"Add":{"text":" )","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6663"}},{"Add":{"text":" .0","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6674"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6681"}},{"Add":{"text":" out","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6689"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6691"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6692"}},{"Add":{"text":"/// Our `cdhash()` must equal the identity Apple's own tooling computes —","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6768"}},{"Add":{"text":"/// otherwise a PPPC profile written against our hash would never match.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6841"}},{"Add":{"text":"#[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6849"}},{"Add":{"text":"fn cdhash_matches_apple_candidate() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6887"}},{"Add":{"text":" let dir = tempfile::tempdir().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6931"}},{"Add":{"text":" let dylib = build_dylib(dir.path(), \"libfoo.dylib\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6988"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:6989"}},{"Add":{"text":" let mut m = MachO::open(&dylib).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7035"}},{"Add":{"text":" m.set_id(b\"/nix/store/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-libfoo/lib/libfoo.dylib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7120"}},{"Add":{"text":" .add_rpath(b\"/nix/store/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb-dep/lib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7195"}},{"Add":{"text":" .unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7214"}},{"Add":{"text":" m.update().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7239"}},{"Add":{"text":" let ours = hex(&m.cdhash().unwrap());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7281"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7282"}},{"Add":{"text":" // codesign prints `CandidateCDHashFull sha256=<64 hex>`","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7343"}},{"Add":{"text":" let (_, out) = sh(\"codesign\", &[\"-dvvv\", dylib.to_str().unwrap()]);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7415"}},{"Add":{"text":" let apple = out","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7435"}},{"Add":{"text":" .lines()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7452"}},{"Add":{"text":" .find_map(|l| l.trim().strip_prefix(\"CandidateCDHashFull sha256=\"))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7528"}},{"Add":{"text":" .expect(\"no CandidateCDHashFull in codesign output\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7589"}},{"Add":{"text":" .trim()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7605"}},{"Add":{"text":" .to_string();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7627"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7628"}},{"Add":{"text":" assert_eq!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7644"}},{"Add":{"text":" ours, apple,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7665"}},{"Add":{"text":" \"machoedit cdhash != Apple's CandidateCDHashFull\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7723"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7730"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7732"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7733"}},{"Add":{"text":"/// Deterministic signing: identical store content ⇒ identical cdhash, so a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7811"}},{"Add":{"text":"/// baked-in consent grant survives rebuilds. This is the whole point.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7882"}},{"Add":{"text":"#[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7890"}},{"Add":{"text":"fn cdhash_is_deterministic_across_rebuilds() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7937"}},{"Add":{"text":" let dir = tempfile::tempdir().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:7981"}},{"Add":{"text":" let src = build_dylib(dir.path(), \"libfoo.dylib\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8036"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8037"}},{"Add":{"text":" // Two independent copies of byte-identical content (what a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8101"}},{"Add":{"text":" // content-addressed store re-materialises on every build).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8165"}},{"Add":{"text":" let mut hashes = vec![];","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8194"}},{"Add":{"text":" for i in 0..2 {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8214"}},{"Add":{"text":" let copy = dir.path().join(format!(\"copy{i}.dylib\"));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8276"}},{"Add":{"text":" std::fs::copy(&src, ©).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8321"}},{"Add":{"text":" let mut m = MachO::open(©).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8370"}},{"Add":{"text":" m.set_id(b\"/nix/store/cccccccccccccccccccccccccccccccc-libfoo/lib/libfoo.dylib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8459"}},{"Add":{"text":" .add_rpath(b\"/nix/store/dddddddddddddddddddddddddddddddd-dep/lib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8538"}},{"Add":{"text":" .unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8561"}},{"Add":{"text":" m.update().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8590"}},{"Add":{"text":" hashes.push(hex(&m.cdhash().unwrap()));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8638"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8644"}},{"Add":{"text":" assert_eq!(hashes[0], hashes[1], \"ad-hoc signing must be deterministic\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8722"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:8724"}}]}},{"FileAdd":{"meta":{"basename":"src","metadata":576},"context":[{"change":0,"pos":1}],"contents":[]}},{"FileAdd":{"meta":{"basename":"sample_signed.dylib","metadata":0},"context":[{"change":0,"pos":8769}],"contents":[]}},{"FileAdd":{"meta":{"basename":"sample.dylib","metadata":0},"context":[{"change":0,"pos":8769}],"contents":[]}},{"FileAdd":{"meta":{"basename":"lib.rs","metadata":0},"context":[{"change":0,"pos":8769}],"contents":[{"Add":{"text":"//! # Fast Mach-O editing library — the Apple counterpart of `elfedit`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:60521"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:60525"}},{"Add":{"text":"//! Mach-O is the executable/library format on Apple's platforms, where","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:60597"}},{"Add":{"text":"//! ELF is absent. This crate does for Mach-O what [`elfedit`] does for","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:60669"}},{"Add":{"text":"//! ELF: rewrite the linking metadata of a binary so it can be relocated","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:60742"}},{"Add":{"text":"//! into a Nix-like store — with a time and space cost that does *not*","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:60815"}},{"Add":{"text":"//! depend on the file size.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:60844"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:60848"}},{"Add":{"text":"//! The operations map onto Mach-O as follows:","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:60895"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:60899"}},{"Add":{"text":"//! | `elfedit` (ELF) | `machoedit` (Mach-O) |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:60979"}},{"Add":{"text":"//! |---------------------------|--------------------------------------------|","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61058"}},{"Add":{"text":"//! | `set_interpreter` | — (dyld is not relocatable, always system) |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61139"}},{"Add":{"text":"//! | `set_runpath` | [`MachO::add_rpath`] (`LC_RPATH`) |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61218"}},{"Add":{"text":"//! | `add_needed` (DT_NEEDED) | [`MachO::change_dylib`] (`LC_LOAD_DYLIB`) |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61297"}},{"Add":{"text":"//! | — (n/a on ELF) | [`MachO::set_id`] (`LC_ID_DYLIB`) |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61378"}},{"Add":{"text":"//! | — (n/a on ELF) | **ad-hoc re-signing** (`LC_CODE_SIGNATURE`)|","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61459"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61463"}},{"Add":{"text":"//! The last row is the operation that has no ELF equivalent and is the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61535"}},{"Add":{"text":"//! whole reason this cannot be \"just patch some bytes\": on arm64 every","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61607"}},{"Add":{"text":"//! Mach-O must carry a valid code signature or the kernel `SIGKILL`s it","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61680"}},{"Add":{"text":"//! at `exec`. Ad-hoc signing needs neither a certificate nor Apple's","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61750"}},{"Add":{"text":"//! tools, so it is done here in pure Rust and works cross-platform.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61819"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61823"}},{"Add":{"text":"//! # Why this stays size-independent","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61861"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61865"}},{"Add":{"text":"//! The file is `mmap`ped, never read whole. Every edit fits inside the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:61937"}},{"Add":{"text":"//! *header padding* the linker leaves between the load commands and the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62010"}},{"Add":{"text":"//! first section (build with `-headerpad_max_install_names`), so section","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62084"}},{"Add":{"text":"//! data never moves and the signature keeps its file offset. A Mach-O","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62155"}},{"Add":{"text":"//! code signature is a `CodeDirectory` holding one SHA-256 per 4 KiB","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62225"}},{"Add":{"text":"//! page of the file; since our edits only dirty the handful of pages","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62295"}},{"Add":{"text":"//! covering the load commands, we recompute **only those pages' hash","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62365"}},{"Add":{"text":"//! slots** and copy nothing else. The cost is proportional to the size","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62437"}},{"Add":{"text":"//! of the edit, not the binary.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62470"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62474"}},{"Add":{"text":"//! [`elfedit`]: https://docs.rs/elfedit","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62515"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62519"}},{"Add":{"text":"//! # Example","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62533"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62537"}},{"Add":{"text":"//! ```","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62545"}},{"Add":{"text":"//! use machoedit::MachO;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62571"}},{"Add":{"text":"//! use std::io::Write;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62595"}},{"Add":{"text":"//! let mut f = tempfile::NamedTempFile::new().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62652"}},{"Add":{"text":"//! f.write_all(include_bytes!(\"sample.dylib\")).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62710"}},{"Add":{"text":"//! f.flush().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62734"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62738"}},{"Add":{"text":"//! let mut m = MachO::open(f.path()).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62786"}},{"Add":{"text":"//! assert_eq!(m.id().unwrap().as_deref(), Some(&b\"/old/path/libfoo.dylib\"[..]));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62868"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62872"}},{"Add":{"text":"//! m.set_id(b\"/nix/store/xxxx-libfoo/lib/libfoo.dylib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:62929"}},{"Add":{"text":"//! .change_dylib(b\"/usr/lib/libSystem.B.dylib\", b\"/usr/lib/libSystem.B.dylib\").unwrap()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63019"}},{"Add":{"text":"//! .add_rpath(b\"/nix/store/xxxx-deps/lib\").unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63074"}},{"Add":{"text":"//! m.update().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63099"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63103"}},{"Add":{"text":"//! let m = MachO::open(f.path()).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63147"}},{"Add":{"text":"//! assert_eq!(m.id().unwrap().as_deref(), Some(&b\"/nix/store/xxxx-libfoo/lib/libfoo.dylib\"[..]));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63246"}},{"Add":{"text":"//! assert!(m.rpaths().unwrap().iter().any(|p| p == b\"/nix/store/xxxx-deps/lib\"));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63329"}},{"Add":{"text":"//! // Still a self-consistent, ad-hoc-signed Mach-O:","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63383"}},{"Add":{"text":"//! assert!(m.verify_adhoc().unwrap());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63423"}},{"Add":{"text":"//! ```","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63431"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63432"}},{"Add":{"text":"use memmap::MmapMut;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63453"}},{"Add":{"text":"use sha2::{Digest, Sha256};","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63481"}},{"Add":{"text":"use std::fs::OpenOptions;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63507"}},{"Add":{"text":"use std::path::Path;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63528"}},{"Add":{"text":"use thiserror::Error;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63550"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63551"}},{"Add":{"text":"/// Shared harness for the proptest and cargo-fuzz fuzzers (enabled by the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63626"}},{"Add":{"text":"/// `fuzzing` feature).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63650"}},{"Add":{"text":"#[cfg(feature = \"fuzzing\")]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63678"}},{"Add":{"text":"pub mod fuzzcheck;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63697"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63698"}},{"Add":{"text":"// ---- Mach-O constants -----------------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63777"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63778"}},{"Add":{"text":"const MH_MAGIC_64: u32 = 0xfeed_facf;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63816"}},{"Add":{"text":"const MH_CIGAM_64: u32 = 0xcffa_edfe;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63854"}},{"Add":{"text":"const FAT_MAGIC: u32 = 0xcafe_babe;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63890"}},{"Add":{"text":"const FAT_CIGAM: u32 = 0xbeba_feca;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63926"}},{"Add":{"text":"const FAT_MAGIC_64: u32 = 0xcafe_babf;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:63965"}},{"Add":{"text":"const FAT_CIGAM_64: u32 = 0xbfba_feca;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64004"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64005"}},{"Add":{"text":"const LC_REQ_DYLD: u32 = 0x8000_0000;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64043"}},{"Add":{"text":"const LC_SEGMENT_64: u32 = 0x19;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64076"}},{"Add":{"text":"const LC_ID_DYLIB: u32 = 0xd;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64106"}},{"Add":{"text":"const LC_LOAD_DYLIB: u32 = 0xc;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64138"}},{"Add":{"text":"const LC_LOAD_WEAK_DYLIB: u32 = 0x18 | LC_REQ_DYLD;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64190"}},{"Add":{"text":"const LC_REEXPORT_DYLIB: u32 = 0x1f | LC_REQ_DYLD;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64241"}},{"Add":{"text":"const LC_LOAD_UPWARD_DYLIB: u32 = 0x23 | LC_REQ_DYLD;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64295"}},{"Add":{"text":"const LC_RPATH: u32 = 0x1c | LC_REQ_DYLD;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64337"}},{"Add":{"text":"const LC_CODE_SIGNATURE: u32 = 0x1d;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64374"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64375"}},{"Add":{"text":"const HEADER_SIZE: usize = 32; // mach_header_64","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64424"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64425"}},{"Add":{"text":"/// Any of the load-command kinds that carry a dylib install name.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64492"}},{"Add":{"text":"fn is_dylib_ref(cmd: u32) -> bool {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64528"}},{"Add":{"text":" matches!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64542"}},{"Add":{"text":" cmd,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64555"}},{"Add":{"text":" LC_LOAD_DYLIB | LC_LOAD_WEAK_DYLIB | LC_REEXPORT_DYLIB | LC_LOAD_UPWARD_DYLIB","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64641"}},{"Add":{"text":" )","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64647"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64649"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64650"}},{"Add":{"text":"// ---- Code-signing constants ----------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64728"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64729"}},{"Add":{"text":"const CSMAGIC_EMBEDDED_SIGNATURE: u32 = 0xfade_0cc0;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64782"}},{"Add":{"text":"const CSMAGIC_CODEDIRECTORY: u32 = 0xfade_0c02;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64830"}},{"Add":{"text":"const CSSLOT_CODEDIRECTORY: u32 = 0;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64867"}},{"Add":{"text":"const CS_ADHOC: u32 = 0x0000_0002;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64902"}},{"Add":{"text":"const CS_LINKER_SIGNED: u32 = 0x0002_0000;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64945"}},{"Add":{"text":"const CS_HASHTYPE_SHA256: u8 = 2;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:64979"}},{"Add":{"text":"const CS_SHA256_LEN: usize = 32;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65012"}},{"Add":{"text":"// The code-signing page size is NOT fixed: it is declared per binary in the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65089"}},{"Add":{"text":"// CodeDirectory (`pageSize` = log2). Apple Silicon signs in 16 KiB pages","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65163"}},{"Add":{"text":"// (matching the native VM page), x86 and clang's own linker signatures use","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65239"}},{"Add":{"text":"// 4 KiB. We read it from each file rather than assume — see `CodeDir::page`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65319"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65320"}},{"Add":{"text":"// ---- Errors ---------------------------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65399"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65400"}},{"Add":{"text":"#[derive(Debug, Error)]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65424"}},{"Add":{"text":"pub enum Error {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65441"}},{"Add":{"text":" #[error(transparent)]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65467"}},{"Add":{"text":" IO(#[from] std::io::Error),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65499"}},{"Add":{"text":" #[error(\"Not a thin 64-bit Mach-O (bad magic {0:#010x})\")]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65562"}},{"Add":{"text":" WrongMagic(u32),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65583"}},{"Add":{"text":" #[error(\"Fat/universal binaries are not supported yet; run `lipo -thin arm64` first\")]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65674"}},{"Add":{"text":" FatUnsupported,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65694"}},{"Add":{"text":" #[error(\"Truncated or malformed load command at offset {0}\")]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65760"}},{"Add":{"text":" Malformed(usize),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65782"}},{"Add":{"text":" #[error(\"No LC_CODE_SIGNATURE present; adding one is not supported yet\")]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65860"}},{"Add":{"text":" NoCodeSignature,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65881"}},{"Add":{"text":" #[error(\"Unexpected code-signature layout (special slots / hash type)\")]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65958"}},{"Add":{"text":" UnsupportedSignature,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:65984"}},{"Add":{"text":" #[error(\"Dylib reference {0:?} not found\")]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66032"}},{"Add":{"text":" DylibNotFound(Vec),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66060"}},{"Add":{"text":" #[error(\"Edited load commands ({need} bytes) overflow the header padding ({avail} bytes)\")]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66156"}},{"Add":{"text":" NoHeaderPad { need: usize, avail: usize },","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66203"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66205"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66206"}},{"Add":{"text":"type Result = std::result::Result;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66254"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66255"}},{"Add":{"text":"// ---- little-endian helpers ------------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66334"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66335"}},{"Add":{"text":"fn rd_u32(b: &[u8], o: usize) -> u32 {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66374"}},{"Add":{"text":" u32::from_le_bytes(b[o..o + 4].try_into().unwrap())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66430"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66432"}},{"Add":{"text":"fn wr_u32(b: &mut [u8], o: usize, v: u32) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66476"}},{"Add":{"text":" b[o..o + 4].copy_from_slice(&v.to_le_bytes());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66527"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66529"}},{"Add":{"text":"fn be32(b: &[u8], o: usize) -> u32 {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66566"}},{"Add":{"text":" u32::from_be_bytes(b[o..o + 4].try_into().unwrap())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66622"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66624"}},{"Add":{"text":"fn wr_be32(b: &mut [u8], o: usize, v: u32) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66669"}},{"Add":{"text":" b[o..o + 4].copy_from_slice(&v.to_be_bytes());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66720"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66722"}},{"Add":{"text":"fn align_up(v: usize, a: usize) -> usize {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66765"}},{"Add":{"text":" (v + a - 1) & !(a - 1)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66792"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66794"}},{"Add":{"text":"/// Drop a single trailing NUL if the caller passed one (elfedit-style","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66865"}},{"Add":{"text":"/// slices are accepted, but the NUL is not required here).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66925"}},{"Add":{"text":"fn no_nul(s: &[u8]) -> &[u8] {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66956"}},{"Add":{"text":" match s.last() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:66977"}},{"Add":{"text":" Some(0) => &s[..s.len() - 1],","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67015"}},{"Add":{"text":" _ => s,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67031"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67037"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67039"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67040"}},{"Add":{"text":"// ---- editable load-command model -----------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67118"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67119"}},{"Add":{"text":"/// A single load command; `body` holds the full command bytes (header","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67190"}},{"Add":{"text":"/// included). Commands we do not edit are passed through untouched.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67259"}},{"Add":{"text":"#[derive(Clone)]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67276"}},{"Add":{"text":"struct Lc {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67288"}},{"Add":{"text":" cmd: u32,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67302"}},{"Add":{"text":" body: Vec,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67321"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67323"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67324"}},{"Add":{"text":"/// Build a `dylib_command` (LC_ID_DYLIB / LC_LOAD_DYLIB / …). The string","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67400"}},{"Add":{"text":"/// sits at the conventional offset 24, after the 3 version/timestamp","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67470"}},{"Add":{"text":"/// fields, which are carried over verbatim in `tsvers`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67527"}},{"Add":{"text":"fn build_dylib(cmd: u32, tsvers: [u32; 3], name: &[u8]) -> Lc {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67591"}},{"Add":{"text":" let name = no_nul(name);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67620"}},{"Add":{"text":" let str_off = 24usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67647"}},{"Add":{"text":" let size = align_up(str_off + name.len() + 1, 8);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67701"}},{"Add":{"text":" let mut body = vec![0u8; size];","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67737"}},{"Add":{"text":" wr_u32(&mut body, 0, cmd);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67768"}},{"Add":{"text":" wr_u32(&mut body, 4, size as u32);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67807"}},{"Add":{"text":" wr_u32(&mut body, 8, str_off as u32); // dylib.name.offset","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67870"}},{"Add":{"text":" wr_u32(&mut body, 12, tsvers[0]); // timestamp","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67921"}},{"Add":{"text":" wr_u32(&mut body, 16, tsvers[1]); // current_version","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:67978"}},{"Add":{"text":" wr_u32(&mut body, 20, tsvers[2]); // compatibility_version","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68041"}},{"Add":{"text":" body[str_off..str_off + name.len()].copy_from_slice(name);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68104"}},{"Add":{"text":" Lc { cmd, body }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68125"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68127"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68128"}},{"Add":{"text":"/// Build an `rpath_command` (LC_RPATH); the string sits at offset 12.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68199"}},{"Add":{"text":"fn build_rpath(path: &[u8]) -> Lc {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68235"}},{"Add":{"text":" let path = no_nul(path);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68264"}},{"Add":{"text":" let str_off = 12usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68291"}},{"Add":{"text":" let size = align_up(str_off + path.len() + 1, 8);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68345"}},{"Add":{"text":" let mut body = vec![0u8; size];","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68381"}},{"Add":{"text":" wr_u32(&mut body, 0, LC_RPATH);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68417"}},{"Add":{"text":" wr_u32(&mut body, 4, size as u32);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68456"}},{"Add":{"text":" wr_u32(&mut body, 8, str_off as u32); // rpath.path.offset","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68519"}},{"Add":{"text":" body[str_off..str_off + path.len()].copy_from_slice(path);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68582"}},{"Add":{"text":" Lc {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68591"}},{"Add":{"text":" cmd: LC_RPATH,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68614"}},{"Add":{"text":" body,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68628"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68634"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68636"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68637"}},{"Add":{"text":"/// Read the NUL-terminated lc_str at `str_off` inside a command body.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68708"}},{"Add":{"text":"fn lc_str(body: &[u8], str_off: usize) -> Vec {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68760"}},{"Add":{"text":" let s = &body[str_off..];","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68790"}},{"Add":{"text":" let end = s.iter().position(|&c| c == 0).unwrap_or(s.len());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68855"}},{"Add":{"text":" s[..end].to_vec()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68877"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68879"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68880"}},{"Add":{"text":"/// Located CodeDirectory inside an embedded-signature SuperBlob.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68946"}},{"Add":{"text":"#[derive(Clone, Copy)]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68969"}},{"Add":{"text":"struct CodeDir {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:68986"}},{"Add":{"text":" /// absolute file offset of the CodeDirectory blob","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69041"}},{"Add":{"text":" off: usize,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69057"}},{"Add":{"text":" /// offset of code-slot 0 relative to `off`","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69105"}},{"Add":{"text":" hash_off: usize,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69126"}},{"Add":{"text":" /// bytes hashed by the code slots = signature's file offset","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69191"}},{"Add":{"text":" code_limit: usize,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69214"}},{"Add":{"text":" /// number of code slots","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69243"}},{"Add":{"text":" n_code: usize,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69262"}},{"Add":{"text":" /// code-signing page size (2^pageSize), or the whole code region when","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69337"}},{"Add":{"text":" /// the CodeDirectory declares pageSize 0 (\"infinite page\", one slot)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69411"}},{"Add":{"text":" page: usize,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69428"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69430"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69431"}},{"Add":{"text":"// ---- the main type --------------------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69510"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69511"}},{"Add":{"text":"/// An opened Mach-O binary, mapped in place. Edits are recorded against an","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69587"}},{"Add":{"text":"/// in-memory load-command list (bounded by `sizeofcmds`) and only touch","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69660"}},{"Add":{"text":"/// the mapping on [`MachO::update`].","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69698"}},{"Add":{"text":"pub struct MachO {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69717"}},{"Add":{"text":" map: MmapMut,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69735"}},{"Add":{"text":" lcs: Vec,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69753"}},{"Add":{"text":" /// byte offset of the first section's data — ceiling of the load-command","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69833"}},{"Add":{"text":" /// region (the \"header pad\").","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69868"}},{"Add":{"text":" headerpad_end: usize,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69894"}},{"Add":{"text":" cd: Option,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69919"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69921"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69922"}},{"Add":{"text":"impl MachO {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:69935"}},{"Add":{"text":" /// Open, memory-map (read+write) and parse a thin 64-bit Mach-O.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70005"}},{"Add":{"text":" pub fn open>(path: P) -> Result {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70065"}},{"Add":{"text":" let file = OpenOptions::new().read(true).write(true).open(path)?;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70139"}},{"Add":{"text":" // SAFETY: we hold the only handle to this file for the lifetime of","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70215"}},{"Add":{"text":" // the map; same contract as `elfedit`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70263"}},{"Add":{"text":" let map = unsafe { MmapMut::map_mut(&file)? };","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70318"}},{"Add":{"text":" Self::parse(map)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70343"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70349"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70350"}},{"Add":{"text":" fn parse(map: MmapMut) -> Result {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70396"}},{"Add":{"text":" if map.len() < HEADER_SIZE {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70433"}},{"Add":{"text":" return Err(Error::Malformed(0));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70478"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70488"}},{"Add":{"text":" match rd_u32(&map, 0) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70520"}},{"Add":{"text":" MH_MAGIC_64 => {}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70550"}},{"Add":{"text":" m @ (FAT_MAGIC | FAT_CIGAM | FAT_MAGIC_64 | FAT_CIGAM_64) => {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70625"}},{"Add":{"text":" let _ = m;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70652"}},{"Add":{"text":" return Err(Error::FatUnsupported);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70703"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70717"}},{"Add":{"text":" other => return Err(Error::WrongMagic(other)), // incl. byte-swapped MH_CIGAM_64","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70810"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70820"}},{"Add":{"text":" let _ = MH_CIGAM_64;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70849"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70850"}},{"Add":{"text":" let ncmds = rd_u32(&map, 16) as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70897"}},{"Add":{"text":" let sizeofcmds = rd_u32(&map, 20) as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70949"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70950"}},{"Add":{"text":" let mut lcs = Vec::with_capacity(ncmds);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:70999"}},{"Add":{"text":" let mut headerpad_end = usize::MAX;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71043"}},{"Add":{"text":" let mut sig_off = None;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71075"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71076"}},{"Add":{"text":" let mut o = HEADER_SIZE;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71109"}},{"Add":{"text":" let cmds_end = HEADER_SIZE + sizeofcmds;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71158"}},{"Add":{"text":" for _ in 0..ncmds {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71186"}},{"Add":{"text":" if o + 8 > map.len() || o + 8 > cmds_end {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71241"}},{"Add":{"text":" return Err(Error::Malformed(o));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71290"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71304"}},{"Add":{"text":" let cmd = rd_u32(&map, o);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71343"}},{"Add":{"text":" let cmdsize = rd_u32(&map, o + 4) as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71399"}},{"Add":{"text":" if cmdsize < 8 || o + cmdsize > map.len() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71455"}},{"Add":{"text":" return Err(Error::Malformed(o));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71504"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71518"}},{"Add":{"text":" let body = map[o..o + cmdsize].to_vec();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71571"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71572"}},{"Add":{"text":" match cmd {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71596"}},{"Add":{"text":" LC_SEGMENT_64 => {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71631"}},{"Add":{"text":" let nsects = rd_u32(&body, 64) as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71692"}},{"Add":{"text":" for s in 0..nsects {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71733"}},{"Add":{"text":" let sect_off = rd_u32(&body, 72 + s * 80 + 48) as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71814"}},{"Add":{"text":" if sect_off != 0 {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71857"}},{"Add":{"text":" headerpad_end = headerpad_end.min(sect_off);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71930"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71956"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71978"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:71996"}},{"Add":{"text":" LC_CODE_SIGNATURE => sig_off = Some(rd_u32(&body, 8) as usize),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72076"}},{"Add":{"text":" _ => {}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72100"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72114"}},{"Add":{"text":" lcs.push(Lc { cmd, body });","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72154"}},{"Add":{"text":" o += cmdsize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72180"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72190"}},{"Add":{"text":" if headerpad_end == usize::MAX {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72231"}},{"Add":{"text":" headerpad_end = cmds_end;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72269"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72279"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72280"}},{"Add":{"text":" let cd = sig_off.and_then(|off| locate_code_directory(&map, off));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72355"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72356"}},{"Add":{"text":" Ok(MachO {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72375"}},{"Add":{"text":" map,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72392"}},{"Add":{"text":" lcs,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72409"}},{"Add":{"text":" headerpad_end,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72436"}},{"Add":{"text":" cd,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72452"}},{"Add":{"text":" })","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72463"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72469"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72470"}},{"Add":{"text":" // -- getters ------------------------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72549"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72550"}},{"Add":{"text":" /// The install name of this dylib (`LC_ID_DYLIB`), if any.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72614"}},{"Add":{"text":" pub fn id(&self) -> Result>> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72664"}},{"Add":{"text":" Ok(self","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72680"}},{"Add":{"text":" .lcs","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72697"}},{"Add":{"text":" .iter()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72717"}},{"Add":{"text":" .find(|l| l.cmd == LC_ID_DYLIB)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72761"}},{"Add":{"text":" .map(|l| lc_str(&l.body, rd_u32(&l.body, 8) as usize)))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72829"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72835"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72836"}},{"Add":{"text":" /// All dylib dependencies (`LC_LOAD_DYLIB` and friends), in order.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72908"}},{"Add":{"text":" pub fn dylibs(&self) -> Result>> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72959"}},{"Add":{"text":" Ok(self","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72975"}},{"Add":{"text":" .lcs","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:72992"}},{"Add":{"text":" .iter()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73012"}},{"Add":{"text":" .filter(|l| is_dylib_ref(l.cmd))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73057"}},{"Add":{"text":" .map(|l| lc_str(&l.body, rd_u32(&l.body, 8) as usize))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73124"}},{"Add":{"text":" .collect())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73148"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73154"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73155"}},{"Add":{"text":" /// All runtime search paths (`LC_RPATH`), in order.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73212"}},{"Add":{"text":" pub fn rpaths(&self) -> Result>> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73263"}},{"Add":{"text":" Ok(self","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73279"}},{"Add":{"text":" .lcs","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73296"}},{"Add":{"text":" .iter()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73316"}},{"Add":{"text":" .filter(|l| l.cmd == LC_RPATH)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73359"}},{"Add":{"text":" .map(|l| lc_str(&l.body, rd_u32(&l.body, 8) as usize))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73426"}},{"Add":{"text":" .collect())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73450"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73456"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73457"}},{"Add":{"text":" // -- editors (chainable, elfedit-style) --------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73535"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73536"}},{"Add":{"text":" /// Set the dylib install name (`LC_ID_DYLIB`). No-op if not a dylib.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73610"}},{"Add":{"text":" pub fn set_id(&mut self, name: &[u8]) -> &mut Self {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73667"}},{"Add":{"text":" if let Some(l) = self.lcs.iter_mut().find(|l| l.cmd == LC_ID_DYLIB) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73745"}},{"Add":{"text":" let tsvers = [","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73772"}},{"Add":{"text":" rd_u32(&l.body, 12),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73809"}},{"Add":{"text":" rd_u32(&l.body, 16),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73846"}},{"Add":{"text":" rd_u32(&l.body, 20),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73883"}},{"Add":{"text":" ];","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73898"}},{"Add":{"text":" *l = build_dylib(LC_ID_DYLIB, tsvers, name);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73955"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73965"}},{"Add":{"text":" self","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73978"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73984"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:73985"}},{"Add":{"text":" /// Rewrite a dylib dependency's install name, matched on the current","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74059"}},{"Add":{"text":" /// name (`install_name_tool -change`).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74103"}},{"Add":{"text":" pub fn change_dylib(&mut self, old: &[u8], new: &[u8]) -> Result<&mut Self> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74185"}},{"Add":{"text":" let old = no_nul(old);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74216"}},{"Add":{"text":" let l = self","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74237"}},{"Add":{"text":" .lcs","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74254"}},{"Add":{"text":" .iter_mut()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74278"}},{"Add":{"text":" .find(|l| is_dylib_ref(l.cmd) && lc_str(&l.body, rd_u32(&l.body, 8) as usize) == old)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74376"}},{"Add":{"text":" .ok_or_else(|| Error::DylibNotFound(old.to_vec()))?;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74441"}},{"Add":{"text":" let cmd = l.cmd;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74466"}},{"Add":{"text":" let tsvers = [","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74489"}},{"Add":{"text":" rd_u32(&l.body, 12),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74522"}},{"Add":{"text":" rd_u32(&l.body, 16),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74555"}},{"Add":{"text":" rd_u32(&l.body, 20),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74588"}},{"Add":{"text":" ];","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74599"}},{"Add":{"text":" *l = build_dylib(cmd, tsvers, new);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74643"}},{"Add":{"text":" Ok(self)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74660"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74666"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74667"}},{"Add":{"text":" /// Add a runtime search path (`install_name_tool -add_rpath`); the new","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74743"}},{"Add":{"text":" /// `LC_RPATH` is inserted just before the signature command.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74809"}},{"Add":{"text":" pub fn add_rpath(&mut self, path: &[u8]) -> Result<&mut Self> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74877"}},{"Add":{"text":" let rp = build_rpath(path);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74913"}},{"Add":{"text":" let pos = self","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74936"}},{"Add":{"text":" .lcs","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74953"}},{"Add":{"text":" .iter()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:74973"}},{"Add":{"text":" .position(|l| l.cmd == LC_CODE_SIGNATURE)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75027"}},{"Add":{"text":" .unwrap_or(self.lcs.len());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75067"}},{"Add":{"text":" self.lcs.insert(pos, rp);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75101"}},{"Add":{"text":" Ok(self)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75118"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75124"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75125"}},{"Add":{"text":" // -- commit -------------------------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75204"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75205"}},{"Add":{"text":" /// Splice the edited load commands back into the mapping, re-sign the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75280"}},{"Add":{"text":" /// pages we touched, and flush. Touches only the header pad and the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75353"}},{"Add":{"text":" /// affected hash slots — cost independent of the binary size.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75422"}},{"Add":{"text":" pub fn update(&mut self) -> Result<()> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75467"}},{"Add":{"text":" let cd = self.cd.ok_or(Error::NoCodeSignature)?;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75524"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75525"}},{"Add":{"text":" // 1. Lay out the new load-command region (bounded by sizeofcmds).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75600"}},{"Add":{"text":" let new_cmds: Vec = self.lcs.iter().flat_map(|l| l.body.clone()).collect();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75688"}},{"Add":{"text":" let new_sizeofcmds = new_cmds.len();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75733"}},{"Add":{"text":" let avail = self.headerpad_end - HEADER_SIZE;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75787"}},{"Add":{"text":" if new_sizeofcmds > avail {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75823"}},{"Add":{"text":" return Err(Error::NoHeaderPad {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75867"}},{"Add":{"text":" need: new_sizeofcmds,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75905"}},{"Add":{"text":" avail,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75928"}},{"Add":{"text":" });","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75944"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75954"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:75955"}},{"Add":{"text":" // 2. Write header counts, splice commands, zero the freed padding.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76031"}},{"Add":{"text":" // All of this lives in [0, headerpad_end); section data and the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76107"}},{"Add":{"text":" // signature offset are untouched, so the file length is stable.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76183"}},{"Add":{"text":" wr_u32(&mut self.map, 16, self.lcs.len() as u32); // ncmds","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76250"}},{"Add":{"text":" wr_u32(&mut self.map, 20, new_sizeofcmds as u32); // sizeofcmds","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76322"}},{"Add":{"text":" self.map[HEADER_SIZE..HEADER_SIZE + new_sizeofcmds].copy_from_slice(&new_cmds);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76410"}},{"Add":{"text":" for b in self.map[HEADER_SIZE + new_sizeofcmds..self.headerpad_end].iter_mut() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76499"}},{"Add":{"text":" *b = 0;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76519"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76529"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76530"}},{"Add":{"text":" // 3. Re-sign incrementally. Only the pages overlapping the header","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76605"}},{"Add":{"text":" // pad changed, so only their SHA-256 code slots need redoing;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76679"}},{"Add":{"text":" // every other slot in the CodeDirectory is still valid.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76747"}},{"Add":{"text":" // Mark the CodeDirectory ad-hoc (drop the linker-signed bit,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76820"}},{"Add":{"text":" // since we, not the linker, just produced it).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76879"}},{"Add":{"text":" let flags_off = cd.off + 12;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76916"}},{"Add":{"text":" let flags = (be32(&self.map, flags_off) | CS_ADHOC) & !CS_LINKER_SIGNED;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:76997"}},{"Add":{"text":" wr_be32(&mut self.map, flags_off, flags);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77047"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77048"}},{"Add":{"text":" let n_dirty = ((self.headerpad_end + cd.page - 1) / cd.page).min(cd.n_code);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77133"}},{"Add":{"text":" for p in 0..n_dirty {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77163"}},{"Add":{"text":" let start = p * cd.page;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77200"}},{"Add":{"text":" let end = ((p + 1) * cd.page).min(cd.code_limit);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77262"}},{"Add":{"text":" let digest = Sha256::digest(&self.map[start..end]);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77326"}},{"Add":{"text":" let slot = cd.off + cd.hash_off + p * CS_SHA256_LEN;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77391"}},{"Add":{"text":" self.map[slot..slot + CS_SHA256_LEN].copy_from_slice(&digest);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77466"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77476"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77477"}},{"Add":{"text":" // Persist and invalidate only the pages we actually touched: the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77551"}},{"Add":{"text":" // header pad (rewritten commands) and the small head of the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77620"}},{"Add":{"text":" // signature blob (flipped flags at cd+12 and the recomputed code","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77694"}},{"Add":{"text":" // slots at cd+hash_off). Everything else — the megabytes of section","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77773"}},{"Add":{"text":" // data *and the rest of the CodeDirectory's hash slots* — is","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77845"}},{"Add":{"text":" // untouched, so we never sync work proportional to the file. The","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77919"}},{"Add":{"text":" // invalidate matters only on macOS: it caches per-vnode code-sign","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:77994"}},{"Add":{"text":" // validation, and an in-place mmap write leaves it stale, so the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78068"}},{"Add":{"text":" // kernel SIGKILLs whoever maps the \"tainted\" page until we drop the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78145"}},{"Add":{"text":" // cached pages and force re-validation.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78194"}},{"Add":{"text":" let head_len = (n_dirty * cd.page).min(self.map.len());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78258"}},{"Add":{"text":" let sig_start = (cd.off / cd.page) * cd.page;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78312"}},{"Add":{"text":" let sig_dirty_end = cd.off + cd.hash_off + n_dirty * CS_SHA256_LEN;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78388"}},{"Add":{"text":" let sig_len = align_up(sig_dirty_end - sig_start, cd.page).min(self.map.len() - sig_start);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78488"}},{"Add":{"text":" self.map.flush_range(0, head_len)?;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78532"}},{"Add":{"text":" self.map.flush_range(sig_start, sig_len)?;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78583"}},{"Add":{"text":" self.invalidate(0, head_len);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78621"}},{"Add":{"text":" self.invalidate(sig_start, sig_len);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78666"}},{"Add":{"text":" Ok(())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78681"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78687"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78688"}},{"Add":{"text":" /// Drop the kernel's cached (code-sign-validated) copies of a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78755"}},{"Add":{"text":" /// page-aligned sub-range via `msync(MS_INVALIDATE)`. No-op off Apple","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78830"}},{"Add":{"text":" /// platforms, where nothing caches the validation.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78886"}},{"Add":{"text":" #[allow(unused_variables)]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78917"}},{"Add":{"text":" fn invalidate(&self, offset: usize, len: usize) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:78971"}},{"Add":{"text":" #[cfg(target_os = \"macos\")]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79007"}},{"Add":{"text":" unsafe {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79024"}},{"Add":{"text":" // `offset` is aligned to the code-signing page (== the VM page on","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79103"}},{"Add":{"text":" // Apple Silicon), which is what msync requires.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79164"}},{"Add":{"text":" let ptr = self.map.as_ptr().add(offset) as *mut libc::c_void;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79238"}},{"Add":{"text":" libc::msync(ptr, len, libc::MS_SYNC | libc::MS_INVALIDATE);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79310"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79320"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79326"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79327"}},{"Add":{"text":" /// The code directory hash — the SHA-256 of the `CodeDirectory` blob,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79404"}},{"Add":{"text":" /// i.e. the identity the kernel, TCC and Gatekeeper key their decisions","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79481"}},{"Add":{"text":" /// on (Apple's `CandidateCDHashFull`; the displayed `CDHash` is its","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79554"}},{"Add":{"text":" /// first 20 bytes). Read it *after* [`MachO::update`] to get the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79624"}},{"Add":{"text":" /// re-signed identity.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79652"}},{"Add":{"text":" ///","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79660"}},{"Add":{"text":" /// This is the linchpin of the store's macOS story: our ad-hoc signing","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79736"}},{"Add":{"text":" /// is deterministic (code slots are `SHA-256` of the file's pages, with","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79813"}},{"Add":{"text":" /// no timestamp or nonce), so identical store contents yield an","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79882"}},{"Add":{"text":" /// identical cdhash across rebuilds. A PPPC profile or TCC grant keyed","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:79958"}},{"Add":{"text":" /// on this hash therefore *persists* — no per-build consent churn — as","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80038"}},{"Add":{"text":" /// long as the package content is unchanged. No certificate required.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80113"}},{"Add":{"text":" pub fn cdhash(&self) -> Result<[u8; CS_SHA256_LEN]> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80171"}},{"Add":{"text":" let cd = self.cd.ok_or(Error::NoCodeSignature)?;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80228"}},{"Add":{"text":" let len = be32(&self.map, cd.off + 4) as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80284"}},{"Add":{"text":" Ok(Sha256::digest(&self.map[cd.off..cd.off + len]).into())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80351"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80357"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80358"}},{"Add":{"text":" /// The 20-byte truncation of [`MachO::cdhash`] that `codesign` prints as","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80436"}},{"Add":{"text":" /// `CDHash=` and that Designated Requirements written `cdhash H\"…\"` use.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80516"}},{"Add":{"text":" pub fn cdhash_short(&self) -> Result<[u8; 20]> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80569"}},{"Add":{"text":" let full = self.cdhash()?;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80604"}},{"Add":{"text":" let mut short = [0u8; 20];","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80639"}},{"Add":{"text":" short.copy_from_slice(&full[..20]);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80683"}},{"Add":{"text":" Ok(short)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80701"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80707"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80708"}},{"Add":{"text":" /// Structural self-check: re-hash the file and compare against every","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80782"}},{"Add":{"text":" /// code slot. Validates integrity only (not trust), with no dependency","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80858"}},{"Add":{"text":" /// on Apple tooling.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80884"}},{"Add":{"text":" pub fn verify_adhoc(&self) -> Result {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80933"}},{"Add":{"text":" let cd = self.cd.ok_or(Error::NoCodeSignature)?;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:80990"}},{"Add":{"text":" for p in 0..cd.n_code {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81022"}},{"Add":{"text":" let start = p * cd.page;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81059"}},{"Add":{"text":" let end = ((p + 1) * cd.page).min(cd.code_limit);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81121"}},{"Add":{"text":" let digest = Sha256::digest(&self.map[start..end]);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81185"}},{"Add":{"text":" let slot = cd.off + cd.hash_off + p * CS_SHA256_LEN;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81250"}},{"Add":{"text":" if self.map[slot..slot + CS_SHA256_LEN] != digest[..] {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81318"}},{"Add":{"text":" return Ok(false);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81352"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81366"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81376"}},{"Add":{"text":" Ok(true)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81393"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81399"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81401"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81402"}},{"Add":{"text":"/// Find the ad-hoc CodeDirectory in the embedded-signature SuperBlob at","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81475"}},{"Add":{"text":"/// `off` and record just enough to re-hash pages in place. We only support","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81551"}},{"Add":{"text":"/// the SHA-256, zero-special-slot layout that the linker and `codesign -s -`","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81629"}},{"Add":{"text":"/// emit; anything else (entitlements, requirements hashes) is refused so we","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81706"}},{"Add":{"text":"/// never silently corrupt a richer signature.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81753"}},{"Add":{"text":"fn locate_code_directory(map: &[u8], off: usize) -> Option {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81823"}},{"Add":{"text":" if off + 12 > map.len() || be32(map, off) != CSMAGIC_EMBEDDED_SIGNATURE {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81901"}},{"Add":{"text":" return None;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81922"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81928"}},{"Add":{"text":" let count = be32(map, off + 8) as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81973"}},{"Add":{"text":" for i in 0..count {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:81997"}},{"Add":{"text":" let idx = off + 12 + i * 8;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82033"}},{"Add":{"text":" if idx + 8 > map.len() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82066"}},{"Add":{"text":" return None;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82091"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82101"}},{"Add":{"text":" if be32(map, idx) != CSSLOT_CODEDIRECTORY {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82153"}},{"Add":{"text":" continue;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82175"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82185"}},{"Add":{"text":" let cd = off + be32(map, idx + 4) as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82237"}},{"Add":{"text":" if cd + 44 > map.len() || be32(map, cd) != CSMAGIC_CODEDIRECTORY {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82312"}},{"Add":{"text":" return None;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82337"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82347"}},{"Add":{"text":" let hash_off = be32(map, cd + 16) as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82399"}},{"Add":{"text":" let n_code = be32(map, cd + 28) as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82449"}},{"Add":{"text":" let code_limit = be32(map, cd + 32) as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82503"}},{"Add":{"text":" let hash_size = map[cd + 36] as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82550"}},{"Add":{"text":" let hash_type = map[cd + 37];","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82588"}},{"Add":{"text":" // pageSize is log2 of the hashing page; 0 means one slot over the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82663"}},{"Add":{"text":" // whole code region.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82693"}},{"Add":{"text":" let shift = map[cd + 39] as u32;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82734"}},{"Add":{"text":" let page = if shift == 0 || shift >= 64 {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82784"}},{"Add":{"text":" code_limit.max(1)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82814"}},{"Add":{"text":" } else {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82831"}},{"Add":{"text":" 1usize << shift","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82859"}},{"Add":{"text":" };","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82870"}},{"Add":{"text":" // Special slots (Info.plist, Requirements, …) live at negative","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:82944"}},{"Add":{"text":" // indices *before* `hash_off` and hash blobs we never touch, so they","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83022"}},{"Add":{"text":" // stay valid across our re-sign — we only ever rewrite code slots.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83100"}},{"Add":{"text":" // Real ecosystem binaries (Homebrew bottles) are ad-hoc-signed with","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83177"}},{"Add":{"text":" // nSpecialSlots=2, so refusing them would reject almost everything.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83254"}},{"Add":{"text":" // We only require the code-slot hash to be SHA-256.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83315"}},{"Add":{"text":" if hash_type != CS_HASHTYPE_SHA256 || hash_size != CS_SHA256_LEN {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83390"}},{"Add":{"text":" return None;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83415"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83425"}},{"Add":{"text":" return Some(CodeDir {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83455"}},{"Add":{"text":" off: cd,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83476"}},{"Add":{"text":" hash_off,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83498"}},{"Add":{"text":" code_limit,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83522"}},{"Add":{"text":" n_code,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83542"}},{"Add":{"text":" page,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83560"}},{"Add":{"text":" });","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83572"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83578"}},{"Add":{"text":" None","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83587"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83589"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83590"}},{"Add":{"text":"#[cfg(test)]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83603"}},{"Add":{"text":"mod tests {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83615"}},{"Add":{"text":" use super::*;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83633"}},{"Add":{"text":" use std::io::Write;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83657"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83658"}},{"Add":{"text":" fn sample() -> (tempfile::NamedTempFile, MachO) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83712"}},{"Add":{"text":" let mut f = tempfile::NamedTempFile::new().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83773"}},{"Add":{"text":" f.write_all(include_bytes!(\"sample.dylib\")).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83835"}},{"Add":{"text":" f.flush().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83863"}},{"Add":{"text":" let m = MachO::open(f.path()).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83911"}},{"Add":{"text":" (f, m)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83926"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83932"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83933"}},{"Add":{"text":" #[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83945"}},{"Add":{"text":" fn reads_metadata() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:83971"}},{"Add":{"text":" let (_f, m) = sample();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84003"}},{"Add":{"text":" assert_eq!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84023"}},{"Add":{"text":" m.id().unwrap().as_deref(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84063"}},{"Add":{"text":" Some(&b\"/old/path/libfoo.dylib\"[..])","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84112"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84123"}},{"Add":{"text":" assert!(m","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84141"}},{"Add":{"text":" .dylibs()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84163"}},{"Add":{"text":" .unwrap()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84185"}},{"Add":{"text":" .iter()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84205"}},{"Add":{"text":" .any(|d| d == b\"/usr/lib/libSystem.B.dylib\"));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84264"}},{"Add":{"text":" assert!(m.verify_adhoc().unwrap(), \"stock signature must verify\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84339"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84345"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84346"}},{"Add":{"text":" #[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84358"}},{"Add":{"text":" fn edits_and_resigns() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84387"}},{"Add":{"text":" let (f, mut m) = sample();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84422"}},{"Add":{"text":" m.set_id(b\"/nix/store/aaaa-libfoo/lib/libfoo.dylib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84483"}},{"Add":{"text":" .change_dylib(b\"/usr/lib/libSystem.B.dylib\", b\"/usr/lib/libSystem.B.dylib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84571"}},{"Add":{"text":" .unwrap()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84593"}},{"Add":{"text":" .add_rpath(b\"/nix/store/bbbb-dep/lib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84644"}},{"Add":{"text":" .unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84667"}},{"Add":{"text":" m.update().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84696"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84697"}},{"Add":{"text":" let m2 = MachO::open(f.path()).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84746"}},{"Add":{"text":" assert_eq!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84766"}},{"Add":{"text":" m2.id().unwrap().as_deref(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84807"}},{"Add":{"text":" Some(&b\"/nix/store/aaaa-libfoo/lib/libfoo.dylib\"[..])","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84873"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84884"}},{"Add":{"text":" assert!(m2","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84903"}},{"Add":{"text":" .rpaths()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84925"}},{"Add":{"text":" .unwrap()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84947"}},{"Add":{"text":" .iter()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:84967"}},{"Add":{"text":" .any(|p| p == b\"/nix/store/bbbb-dep/lib\"));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85023"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85040"}},{"Add":{"text":" m2.verify_adhoc().unwrap(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85080"}},{"Add":{"text":" \"re-signed binary must be self-consistent\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85135"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85146"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85152"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85153"}},{"Add":{"text":" /// Real-world shape: a `codesign -s -` signature on Apple Silicon has","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85228"}},{"Add":{"text":" /// 2 special slots (Info.plist/Requirements) and 16 KiB code pages, not","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85305"}},{"Add":{"text":" /// the 4 KiB of clang's own linker signature. This fixture would fail if","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85383"}},{"Add":{"text":" /// we ever hard-coded the page size or rejected special slots again.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85457"}},{"Add":{"text":" fn signed_sample() -> (tempfile::NamedTempFile, MachO) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85518"}},{"Add":{"text":" let mut f = tempfile::NamedTempFile::new().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85579"}},{"Add":{"text":" f.write_all(include_bytes!(\"sample_signed.dylib\")).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85648"}},{"Add":{"text":" f.flush().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85676"}},{"Add":{"text":" let m = MachO::open(f.path()).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85724"}},{"Add":{"text":" (f, m)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85739"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85745"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85746"}},{"Add":{"text":" #[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85758"}},{"Add":{"text":" fn real_world_signature_verifies_and_survives_edit() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85817"}},{"Add":{"text":" let (f, m) = signed_sample();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85855"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85872"}},{"Add":{"text":" m.verify_adhoc().unwrap(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85911"}},{"Add":{"text":" \"stock 16 KiB-page / 2-special-slot signature must verify\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85982"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:85993"}},{"Add":{"text":" let stock_cdhash = m.cdhash().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86041"}},{"Add":{"text":" drop(m);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86058"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86059"}},{"Add":{"text":" let mut m = MachO::open(f.path()).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86111"}},{"Add":{"text":" m.set_id(b\"/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-libfoo/lib/libfoo.dylib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86200"}},{"Add":{"text":" .add_rpath(b\"/nix/store/ffffffffffffffffffffffffffffffff-dep/lib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86279"}},{"Add":{"text":" .unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86302"}},{"Add":{"text":" m.update().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86331"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86332"}},{"Add":{"text":" let m2 = MachO::open(f.path()).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86381"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86398"}},{"Add":{"text":" m2.verify_adhoc().unwrap(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86438"}},{"Add":{"text":" \"re-signed real-world binary must verify\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86492"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86503"}},{"Add":{"text":" assert!(m2","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86522"}},{"Add":{"text":" .rpaths()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86544"}},{"Add":{"text":" .unwrap()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86566"}},{"Add":{"text":" .iter()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86586"}},{"Add":{"text":" .any(|p| p == b\"/nix/store/ffffffffffffffffffffffffffffffff-dep/lib\"));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86670"}},{"Add":{"text":" // Editing changed the identity (we touched page 0), as expected.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86744"}},{"Add":{"text":" assert_ne!(m2.cdhash().unwrap(), stock_cdhash);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86800"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86806"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86807"}},{"Add":{"text":" /// `change_dylib` on a name that isn't a dependency must report","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86876"}},{"Add":{"text":" /// `DylibNotFound` rather than silently no-op. `patch_macho` relies on","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:86952"}},{"Add":{"text":" /// this being an error it can log-and-skip (it only rewrites names it","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87027"}},{"Add":{"text":" /// resolved in the closure).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87061"}},{"Add":{"text":" #[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87073"}},{"Add":{"text":" fn change_missing_dylib_errors() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87112"}},{"Add":{"text":" let (_f, mut m) = sample();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87148"}},{"Add":{"text":" match m.change_dylib(b\"/nope/libmissing.dylib\", b\"@rpath/libmissing.dylib\") {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87234"}},{"Add":{"text":" Err(Error::DylibNotFound(n)) => assert_eq!(n, b\"/nope/libmissing.dylib\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87320"}},{"Add":{"text":" Ok(_) => panic!(\"expected DylibNotFound, got Ok\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87383"}},{"Add":{"text":" Err(e) => panic!(\"expected DylibNotFound, got {e:?}\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87450"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87460"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87466"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87467"}},{"Add":{"text":" /// Garbage / non-Mach-O input must be refused at `open`, not","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87533"}},{"Add":{"text":" /// mis-parsed. `patch_macho` turns this into \"leave a plain store copy\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87610"}},{"Add":{"text":" /// (`return Ok(true)`), so a wrong-magic file must surface as an error","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87686"}},{"Add":{"text":" /// here rather than a spurious success.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87731"}},{"Add":{"text":" #[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87743"}},{"Add":{"text":" fn open_rejects_non_macho() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87777"}},{"Add":{"text":" let mut f = tempfile::NamedTempFile::new().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87838"}},{"Add":{"text":" f.write_all(&[0u8; 128]).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87881"}},{"Add":{"text":" f.flush().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87909"}},{"Add":{"text":" match MachO::open(f.path()) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87947"}},{"Add":{"text":" Err(Error::WrongMagic(_)) => {}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:87991"}},{"Add":{"text":" Ok(_) => panic!(\"expected WrongMagic, got Ok\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88051"}},{"Add":{"text":" Err(e) => panic!(\"expected WrongMagic, got {e:?}\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88115"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88125"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88131"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88132"}},{"Add":{"text":" /// Fat/universal binaries are explicitly unsupported (caller runs","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88203"}},{"Add":{"text":" /// `lipo -thin` first); `open` must say so distinctly, not `WrongMagic`,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88281"}},{"Add":{"text":" /// so the message can guide the user.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88324"}},{"Add":{"text":" #[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88336"}},{"Add":{"text":" fn open_rejects_fat() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88364"}},{"Add":{"text":" let mut f = tempfile::NamedTempFile::new().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88425"}},{"Add":{"text":" // FAT_MAGIC (big-endian on disk) + a plausible nfat_arch, padded.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88500"}},{"Add":{"text":" let mut bytes = vec![0u8; 128];","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88540"}},{"Add":{"text":" bytes[..4].copy_from_slice(&FAT_MAGIC.to_be_bytes());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88602"}},{"Add":{"text":" bytes[4..8].copy_from_slice(&2u32.to_be_bytes());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88660"}},{"Add":{"text":" f.write_all(&bytes).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88698"}},{"Add":{"text":" f.flush().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88726"}},{"Add":{"text":" match MachO::open(f.path()) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88764"}},{"Add":{"text":" Err(Error::FatUnsupported) => {}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88809"}},{"Add":{"text":" Ok(_) => panic!(\"expected FatUnsupported, got Ok\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88873"}},{"Add":{"text":" Err(e) => panic!(\"expected FatUnsupported, got {e:?}\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88941"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88951"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88957"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88958"}},{"Add":{"text":" #[test]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:88970"}},{"Add":{"text":" fn longer_name_still_fits_and_verifies() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89017"}},{"Add":{"text":" let (f, mut m) = sample();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89052"}},{"Add":{"text":" let long = b\"/nix/store/0123456789abcdef0123456789abcdef-libfoo-1.0/lib/libfoo.dylib\";","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89147"}},{"Add":{"text":" m.set_id(long);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89171"}},{"Add":{"text":" m.update().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89200"}},{"Add":{"text":" let m2 = MachO::open(f.path()).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89249"}},{"Add":{"text":" assert_eq!(m2.id().unwrap().as_deref(), Some(&long[..]));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89315"}},{"Add":{"text":" assert!(m2.verify_adhoc().unwrap());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89360"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89366"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89368"}}]}},{"FileAdd":{"meta":{"basename":"fuzzcheck.rs","metadata":0},"context":[{"change":0,"pos":8769}],"contents":[{"Add":{"text":"//! Shared harness for the machoedit fuzzers (proptest under `tests/`, and the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89481"}},{"Add":{"text":"//! cargo-fuzz target under `fuzz/`). Enabled by the `fuzzing` feature.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89553"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89557"}},{"Add":{"text":"//! machoedit rewrites the load-command region of a *signed* Mach-O in place","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89634"}},{"Add":{"text":"//! (bounded by the header pad) and re-signs ad-hoc; the file length never","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89709"}},{"Add":{"text":"//! changes. We drive an arbitrary [`EditPlan`] (set_id / add_rpath /","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89779"}},{"Add":{"text":"//! change_dylib) against the signed sample dylib and assert:","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89841"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89845"}},{"Add":{"text":"//! 1. **Correctness** — set_id/add_rpath/change_dylib read back as requested.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:89927"}},{"Add":{"text":"//! 2. **Signature** — `verify_adhoc()` holds after the edit (the re-sign is","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90009"}},{"Add":{"text":"//! correct). This is the machoedit analogue of \"the loader accepts it\", and","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90090"}},{"Add":{"text":"//! it runs anywhere (pure SHA-256, no macOS needed).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90148"}},{"Add":{"text":"//! 3. **Load-command consistency** — magic/ncmds/sizeofcmds agree, every LC is","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90231"}},{"Add":{"text":"//! 8-aligned and inside the command region, which fits the header pad.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90307"}},{"Add":{"text":"//! 4. **Permissions** — no segment's init/maxprot changes (matched by name).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90388"}},{"Add":{"text":"//! 5. **Layout / no needless copy** — `__LINKEDIT` stays the last segment and","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90470"}},{"Add":{"text":"//! the file length is unchanged (edits stay in the header pad).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90539"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90543"}},{"Add":{"text":"//! A plan that overflows the header pad makes `update()` return","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90608"}},{"Add":{"text":"//! `Err(NoHeaderPad)` — that's a clean rejection, not a bug, so we skip it.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90687"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90688"}},{"Add":{"text":"use crate::MachO;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90706"}},{"Add":{"text":"use std::io::Write;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90726"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90727"}},{"Add":{"text":"/// The seed: the *signed* arm64 sample dylib (update() needs a signature).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90803"}},{"Add":{"text":"pub const SEED: &[u8] = include_bytes!(\"sample_signed.dylib\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90866"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90867"}},{"Add":{"text":"/// One randomized sequence of edits.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90905"}},{"Add":{"text":"#[cfg_attr(feature = \"fuzzing\", derive(arbitrary::Arbitrary))]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:90968"}},{"Add":{"text":"#[derive(Clone, Debug, Default)]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91001"}},{"Add":{"text":"pub struct EditPlan {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91023"}},{"Add":{"text":" /// `Some(name)` → `set_id(name)`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91064"}},{"Add":{"text":" pub set_id: Option>,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91097"}},{"Add":{"text":" /// each → `add_rpath(path)`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91133"}},{"Add":{"text":" pub add_rpaths: Vec>,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91167"}},{"Add":{"text":" /// `Some((old, new))` → `change_dylib(old, new)`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91224"}},{"Add":{"text":" pub change_dylib: Option<(Vec, Vec)>,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91274"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91276"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91277"}},{"Add":{"text":"fn sanitize(b: &[u8]) -> Vec {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91312"}},{"Add":{"text":" b.iter().copied().filter(|&c| c != 0).collect()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91364"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91366"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91367"}},{"Add":{"text":"/// Strip NUL and empty strings so read-back comparisons are meaningful (Mach-O","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91447"}},{"Add":{"text":"/// LC strings are NUL-terminated; a real caller passes plain paths/names).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91523"}},{"Add":{"text":"fn normalize(p: &EditPlan) -> EditPlan {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91564"}},{"Add":{"text":" EditPlan {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91579"}},{"Add":{"text":" set_id: p","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91597"}},{"Add":{"text":" .set_id","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91617"}},{"Add":{"text":" .as_ref()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91639"}},{"Add":{"text":" .map(|n| sanitize(n))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91673"}},{"Add":{"text":" .filter(|n| !n.is_empty()),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91713"}},{"Add":{"text":" add_rpaths: p","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91735"}},{"Add":{"text":" .add_rpaths","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91759"}},{"Add":{"text":" .iter()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91779"}},{"Add":{"text":" .map(|r| sanitize(r))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91813"}},{"Add":{"text":" .filter(|r| !r.is_empty())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91852"}},{"Add":{"text":" .collect(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91876"}},{"Add":{"text":" change_dylib: p","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91900"}},{"Add":{"text":" .change_dylib","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91926"}},{"Add":{"text":" .as_ref()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:91948"}},{"Add":{"text":" .map(|(o, n)| (sanitize(o), sanitize(n)))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92002"}},{"Add":{"text":" .filter(|(o, n)| !o.is_empty() && !n.is_empty()),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92064"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92070"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92072"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92073"}},{"Add":{"text":"/// Apply the plan to `seed`. Returns `None` if machoedit cleanly rejects the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92151"}},{"Add":{"text":"/// edit (e.g. the new commands don't fit the header pad).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92210"}},{"Add":{"text":"pub fn apply(seed: &[u8], plan: &EditPlan) -> Option> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92274"}},{"Add":{"text":" let plan = normalize(plan);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92306"}},{"Add":{"text":" let mut tmp = tempfile::NamedTempFile::new().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92365"}},{"Add":{"text":" tmp.write_all(seed).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92399"}},{"Add":{"text":" tmp.flush().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92425"}},{"Add":{"text":" let path = tmp.path().to_path_buf();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92466"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92467"}},{"Add":{"text":" let mut m = MachO::open(&path).expect(\"open seed dylib\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92529"}},{"Add":{"text":" if let Some(id) = &plan.set_id {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92566"}},{"Add":{"text":" m.set_id(id);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92588"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92594"}},{"Add":{"text":" for r in &plan.add_rpaths {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92626"}},{"Add":{"text":" // add_rpath rejects a duplicate rpath; that's fine, ignore the error.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92705"}},{"Add":{"text":" let _ = m.add_rpath(r);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92737"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92743"}},{"Add":{"text":" if let Some((old, new)) = &plan.change_dylib {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92794"}},{"Add":{"text":" let _ = m.change_dylib(old, new);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92836"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92842"}},{"Add":{"text":" match m.update() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92865"}},{"Add":{"text":" Ok(()) => {}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92886"}},{"Add":{"text":" Err(_) => return None, // header pad overflow etc. — a clean refusal.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92966"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92972"}},{"Add":{"text":" drop(m);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92985"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:92986"}},{"Add":{"text":" Some(std::fs::read(&path).unwrap())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93026"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93028"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93029"}},{"Add":{"text":"/// Apply to [`SEED`] and check every invariant.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93078"}},{"Add":{"text":"pub fn run(plan: &EditPlan) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93108"}},{"Add":{"text":" if let Some(patched) = apply(SEED, plan) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93155"}},{"Add":{"text":" check_invariants(SEED, &patched, plan);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93203"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93209"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93211"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93212"}},{"Add":{"text":"// ---------------------------------------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93291"}},{"Add":{"text":"// Read-back through the public API.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93328"}},{"Add":{"text":"// ---------------------------------------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93407"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93408"}},{"Add":{"text":"struct Info {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93422"}},{"Add":{"text":" id: Option>,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93447"}},{"Add":{"text":" dylibs: Vec>,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93473"}},{"Add":{"text":" rpaths: Vec>,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93499"}},{"Add":{"text":" adhoc_ok: bool,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93519"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93521"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93522"}},{"Add":{"text":"fn read_info(bytes: &[u8]) -> Info {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93559"}},{"Add":{"text":" let mut tmp = tempfile::NamedTempFile::new().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93618"}},{"Add":{"text":" tmp.write_all(bytes).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93653"}},{"Add":{"text":" tmp.flush().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93679"}},{"Add":{"text":" let m = MachO::open(tmp.path()).expect(\"re-open patched dylib\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93748"}},{"Add":{"text":" Info {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93759"}},{"Add":{"text":" id: m.id().expect(\"id\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93792"}},{"Add":{"text":" dylibs: m.dylibs().expect(\"dylibs\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93837"}},{"Add":{"text":" rpaths: m.rpaths().expect(\"rpaths\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93882"}},{"Add":{"text":" adhoc_ok: m.verify_adhoc().expect(\"verify_adhoc\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93941"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93947"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93949"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:93950"}},{"Add":{"text":"// ---------------------------------------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94029"}},{"Add":{"text":"// Minimal Mach-O 64-bit little-endian load-command reader. The sample is a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94105"}},{"Add":{"text":"// 64-bit LE arm64 image; otherwise the structural checks are skipped.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94176"}},{"Add":{"text":"// ---------------------------------------------------------------------------","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94255"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94256"}},{"Add":{"text":"const MH_MAGIC_64: u32 = 0xfeed_facf;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94294"}},{"Add":{"text":"const HEADER_SIZE: usize = 32;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94325"}},{"Add":{"text":"const LC_SEGMENT_64: u32 = 0x19;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94358"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94359"}},{"Add":{"text":"fn u32le(b: &[u8], o: usize) -> u32 {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94397"}},{"Add":{"text":" u32::from_le_bytes(b[o..o + 4].try_into().unwrap())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94453"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94455"}},{"Add":{"text":"fn u64le(b: &[u8], o: usize) -> u64 {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94493"}},{"Add":{"text":" u64::from_le_bytes(b[o..o + 8].try_into().unwrap())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94549"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94551"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94552"}},{"Add":{"text":"struct Seg {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94565"}},{"Add":{"text":" name: [u8; 16],","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94585"}},{"Add":{"text":" fileoff: u64,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94603"}},{"Add":{"text":" maxprot: u32,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94621"}},{"Add":{"text":" initprot: u32,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94640"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94642"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94643"}},{"Add":{"text":"struct MachInfo {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94661"}},{"Add":{"text":" ncmds: u32,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94677"}},{"Add":{"text":" sizeofcmds: u32,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94698"}},{"Add":{"text":" /// (cmd, offset, cmdsize) for each load command.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94752"}},{"Add":{"text":" cmds: Vec<(u32, usize, u32)>,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94786"}},{"Add":{"text":" segs: Vec,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94806"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94808"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94809"}},{"Add":{"text":"fn is_macho64_le(b: &[u8]) -> bool {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94846"}},{"Add":{"text":" b.len() >= HEADER_SIZE && u32le(b, 0) == MH_MAGIC_64","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94903"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94905"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94906"}},{"Add":{"text":"/// Parse the load-command table. Returns None if it walks off the file (a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:94981"}},{"Add":{"text":"/// malformed table is itself an invariant violation, reported by the caller).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95060"}},{"Add":{"text":"fn parse(b: &[u8]) -> Option {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95101"}},{"Add":{"text":" let ncmds = u32le(b, 16);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95131"}},{"Add":{"text":" let sizeofcmds = u32le(b, 20);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95166"}},{"Add":{"text":" let mut cmds = Vec::new();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95197"}},{"Add":{"text":" let mut segs = Vec::new();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95228"}},{"Add":{"text":" let mut off = HEADER_SIZE;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95259"}},{"Add":{"text":" for _ in 0..ncmds {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95283"}},{"Add":{"text":" if off + 8 > b.len() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95314"}},{"Add":{"text":" return None;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95339"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95349"}},{"Add":{"text":" let cmd = u32le(b, off);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95382"}},{"Add":{"text":" let cmdsize = u32le(b, off + 4);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95423"}},{"Add":{"text":" if cmdsize < 8 || off + cmdsize as usize > b.len() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95484"}},{"Add":{"text":" return None;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95509"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95519"}},{"Add":{"text":" cmds.push((cmd, off, cmdsize));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95559"}},{"Add":{"text":" if cmd == LC_SEGMENT_64 && off + 72 <= b.len() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95616"}},{"Add":{"text":" let mut name = [0u8; 16];","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95654"}},{"Add":{"text":" name.copy_from_slice(&b[off + 8..off + 24]);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95711"}},{"Add":{"text":" segs.push(Seg {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95739"}},{"Add":{"text":" name,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95761"}},{"Add":{"text":" fileoff: u64le(b, off + 40),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95806"}},{"Add":{"text":" maxprot: u32le(b, off + 56),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95851"}},{"Add":{"text":" initprot: u32le(b, off + 60),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95897"}},{"Add":{"text":" });","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95913"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95923"}},{"Add":{"text":" off += cmdsize as usize;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95956"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95962"}},{"Add":{"text":" Some(MachInfo {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95982"}},{"Add":{"text":" ncmds,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:95997"}},{"Add":{"text":" sizeofcmds,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96017"}},{"Add":{"text":" cmds,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96031"}},{"Add":{"text":" segs,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96045"}},{"Add":{"text":" })","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96052"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96054"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96055"}},{"Add":{"text":"fn seg<'a>(m: &'a MachInfo, name: &[u8]) -> Option<&'a Seg> {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96117"}},{"Add":{"text":" m.segs.iter().find(|s| {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96146"}},{"Add":{"text":" let end = s.name.iter().position(|&c| c == 0).unwrap_or(16);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96215"}},{"Add":{"text":" &s.name[..end] == name","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96246"}},{"Add":{"text":" })","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96253"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96255"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96256"}},{"Add":{"text":"/// Panic unless every invariant holds.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96296"}},{"Add":{"text":"pub fn check_invariants(orig: &[u8], patched: &[u8], plan: &EditPlan) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96368"}},{"Add":{"text":" let plan = normalize(plan);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96400"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96401"}},{"Add":{"text":" // ---- 1. Correctness + 2. signature ----","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96448"}},{"Add":{"text":" let before = read_info(orig);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96482"}},{"Add":{"text":" let after = read_info(patched);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96518"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96519"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96532"}},{"Add":{"text":" after.adhoc_ok,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96556"}},{"Add":{"text":" \"ad-hoc signature invalid after edit: {plan:?}\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96612"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96619"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96620"}},{"Add":{"text":" if let Some(id) = &plan.set_id {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96657"}},{"Add":{"text":" // set_id is a no-op only if there's no LC_ID_DYLIB; the sample is a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96734"}},{"Add":{"text":" // dylib, so it always has one.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96774"}},{"Add":{"text":" assert_eq!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96794"}},{"Add":{"text":" after.id.as_deref(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96827"}},{"Add":{"text":" Some(id.as_slice()),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96860"}},{"Add":{"text":" \"set_id not applied\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96893"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96904"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96910"}},{"Add":{"text":" for r in &plan.add_rpaths {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96942"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:96959"}},{"Add":{"text":" after.rpaths.iter().any(|x| x == r),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97008"}},{"Add":{"text":" \"add_rpath({r:?}) missing\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97047"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97058"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97064"}},{"Add":{"text":" if let Some((old, new)) = &plan.change_dylib {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97115"}},{"Add":{"text":" // Only meaningful if `old` was actually a dependency and differs.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97190"}},{"Add":{"text":" if old != new && before.dylibs.iter().any(|d| d == old) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97256"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97277"}},{"Add":{"text":" after.dylibs.iter().any(|d| d == new),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97332"}},{"Add":{"text":" \"change_dylib: new name {new:?} absent\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97388"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97403"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97413"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97419"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97420"}},{"Add":{"text":" // ---- structural checks: 64-bit LE only ----","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97471"}},{"Add":{"text":" if !is_macho64_le(patched) || !is_macho64_le(orig) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97528"}},{"Add":{"text":" return;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97544"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97550"}},{"Add":{"text":" let pm = parse(patched).expect(\"patched Mach-O load commands walk off file\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97632"}},{"Add":{"text":" let om = parse(orig).expect(\"orig Mach-O load commands walk off file\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97708"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97709"}},{"Add":{"text":" // ---- 3. Load-command consistency ----","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97754"}},{"Add":{"text":" assert_eq!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97770"}},{"Add":{"text":" pm.cmds.len() as u32,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97800"}},{"Add":{"text":" pm.ncmds,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97818"}},{"Add":{"text":" \"ncmds disagrees with parsed command count\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97870"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97877"}},{"Add":{"text":" let summed: usize = pm.cmds.iter().map(|&(_, _, sz)| sz as usize).sum();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97954"}},{"Add":{"text":" assert_eq!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:97970"}},{"Add":{"text":" summed, pm.sizeofcmds as usize,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98010"}},{"Add":{"text":" \"sum of cmdsizes != sizeofcmds\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98050"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98057"}},{"Add":{"text":" assert!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98070"}},{"Add":{"text":" HEADER_SIZE + pm.sizeofcmds as usize <= patched.len(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98133"}},{"Add":{"text":" \"command region exceeds file\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98171"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98178"}},{"Add":{"text":" for &(_cmd, off, sz) in &pm.cmds {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98217"}},{"Add":{"text":" assert!(sz % 8 == 0, \"LC @{off:#x} cmdsize {sz} not 8-aligned\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98290"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98296"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98297"}},{"Add":{"text":" // ---- 4. Segment permissions preserved (matched by name) ----","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98365"}},{"Add":{"text":" for os in &om.segs {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98390"}},{"Add":{"text":" let end = os.name.iter().position(|&c| c == 0).unwrap_or(16);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98460"}},{"Add":{"text":" let ps = seg(&pm, &os.name[..end]).expect(\"segment disappeared\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98534"}},{"Add":{"text":" assert_eq!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98554"}},{"Add":{"text":" (ps.initprot, ps.maxprot),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98593"}},{"Add":{"text":" (os.initprot, os.maxprot),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98632"}},{"Add":{"text":" \"segment {:?} changed protection\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98679"}},{"Add":{"text":" &os.name[..end]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98707"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98718"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98724"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98725"}},{"Add":{"text":" // ---- 5. Layout / no needless copy ----","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98771"}},{"Add":{"text":" // Edits live in the header pad; the file length is stable.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98835"}},{"Add":{"text":" assert_eq!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98851"}},{"Add":{"text":" patched.len(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98874"}},{"Add":{"text":" orig.len(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98894"}},{"Add":{"text":" \"file length changed (edit escaped the header pad?)\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98955"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:98962"}},{"Add":{"text":" // __LINKEDIT stays the last segment by file offset.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99019"}},{"Add":{"text":" if let Some(le) = seg(&pm, b\"__LINKEDIT\") {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99067"}},{"Add":{"text":" let max_off = pm.segs.iter().map(|s| s.fileoff).max().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99139"}},{"Add":{"text":" assert_eq!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99159"}},{"Add":{"text":" le.fileoff, max_off,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99192"}},{"Add":{"text":" \"__LINKEDIT is no longer the last segment\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99247"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99258"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99264"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99266"}}]}},{"FileAdd":{"meta":{"basename":"fuzz","metadata":576},"context":[{"change":0,"pos":1}],"contents":[]}},{"FileAdd":{"meta":{"basename":"fuzz_targets","metadata":576},"context":[{"change":0,"pos":99306}],"contents":[]}},{"FileAdd":{"meta":{"basename":"edit.rs","metadata":0},"context":[{"change":0,"pos":99324}],"contents":[{"Add":{"text":"#![no_main]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99362"}},{"Add":{"text":"//! cargo-fuzz entry point: `arbitrary` turns raw bytes into an [`EditPlan`],","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99440"}},{"Add":{"text":"//! which we apply to the signed sample dylib and check against the invariants","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99519"}},{"Add":{"text":"//! in `machoedit::fuzzcheck`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99550"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99551"}},{"Add":{"text":"use libfuzzer_sys::fuzz_target;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99583"}},{"Add":{"text":"use machoedit::fuzzcheck::EditPlan;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99619"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99620"}},{"Add":{"text":"fuzz_target!(|plan: EditPlan| {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99652"}},{"Add":{"text":" machoedit::fuzzcheck::run(&plan);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99690"}},{"Add":{"text":"});","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99694"}}]}},{"FileAdd":{"meta":{"basename":"Cargo.toml","metadata":0},"context":[{"change":0,"pos":99306}],"contents":[{"Add":{"text":"# Coverage-guided fuzzer for machoedit. Run with a nightly toolchain:","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99799"}},{"Add":{"text":"#","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99801"}},{"Add":{"text":"# cargo install cargo-fuzz","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99830"}},{"Add":{"text":"# cd machoedit && cargo +nightly fuzz run edit","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99879"}},{"Add":{"text":"#","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99881"}},{"Add":{"text":"# The harness lives in `machoedit::fuzzcheck` (behind the `fuzzing` feature) and","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:99962"}},{"Add":{"text":"# is shared with the proptest regression test under `machoedit/tests/`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100034"}},{"Add":{"text":"[package]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100044"}},{"Add":{"text":"name = \"machoedit-fuzz\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100068"}},{"Add":{"text":"version = \"0.0.0\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100086"}},{"Add":{"text":"publish = false","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100102"}},{"Add":{"text":"edition = \"2021\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100119"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100120"}},{"Add":{"text":"[package.metadata]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100139"}},{"Add":{"text":"cargo-fuzz = true","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100157"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100158"}},{"Add":{"text":"[dependencies]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100173"}},{"Add":{"text":"libfuzzer-sys = \"0.4\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100195"}},{"Add":{"text":"arbitrary = { version = \"1\", features = [\"derive\"] }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100248"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100249"}},{"Add":{"text":"[dependencies.machoedit]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100274"}},{"Add":{"text":"path = \"..\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100286"}},{"Add":{"text":"features = [\"fuzzing\"]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100309"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100310"}},{"Add":{"text":"[[bin]]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100318"}},{"Add":{"text":"name = \"edit\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100332"}},{"Add":{"text":"path = \"fuzz_targets/edit.rs\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100362"}},{"Add":{"text":"test = false","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100375"}},{"Add":{"text":"doc = false","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100387"}},{"Add":{"text":"bench = false","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100401"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100402"}},{"Add":{"text":"# Detach from the parent elpe workspace.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100443"}},{"Add":{"text":"[workspace]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100455"}}]}},{"FileAdd":{"meta":{"basename":"Cargo.lock","metadata":0},"context":[{"change":0,"pos":99306}],"contents":[{"Add":{"text":"# This file is automatically @generated by Cargo.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100543"}},{"Add":{"text":"# It is not intended for manual editing.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100584"}},{"Add":{"text":"version = 4","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100596"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100597"}},{"Add":{"text":"[[package]]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100609"}},{"Add":{"text":"name = \"arbitrary\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100628"}},{"Add":{"text":"version = \"1.4.2\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100646"}},{"Add":{"text":"source = \"registry+https://github.com/rust-lang/crates.io-index\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100711"}},{"Add":{"text":"checksum = \"c3d036a3c4ab069c7b410a2ce876bd74808d2d0888a82667669f8e783a898bf1\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100789"}},{"Add":{"text":"dependencies = [","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100806"}},{"Add":{"text":" \"derive_arbitrary\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100827"}},{"Add":{"text":"]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100829"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100830"}},{"Add":{"text":"[[package]]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100842"}},{"Add":{"text":"name = \"bitflags\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100860"}},{"Add":{"text":"version = \"2.13.1\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100879"}},{"Add":{"text":"source = \"registry+https://github.com/rust-lang/crates.io-index\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:100944"}},{"Add":{"text":"checksum = \"b588b76d00fde79687d7646a9b5bdf3cc0f655e0bbd080335a95d7e96f3587da\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101022"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101023"}},{"Add":{"text":"[[package]]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101035"}},{"Add":{"text":"name = \"block-buffer\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101057"}},{"Add":{"text":"version = \"0.10.4\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101076"}},{"Add":{"text":"source = \"registry+https://github.com/rust-lang/crates.io-index\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101141"}},{"Add":{"text":"checksum = \"3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101219"}},{"Add":{"text":"dependencies = [","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101236"}},{"Add":{"text":" \"generic-array\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101254"}},{"Add":{"text":"]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101256"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101257"}},{"Add":{"text":"[[package]]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101269"}},{"Add":{"text":"name = \"cc\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101281"}},{"Add":{"text":"version = \"1.4.0\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101299"}},{"Add":{"text":"source = \"registry+https://github.com/rust-lang/crates.io-index\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101364"}},{"Add":{"text":"checksum = \"5add81bb678e6cb321aff7fa0dc7689ad82b112dbc032cea19f91d6b8e3582b9\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101442"}},{"Add":{"text":"dependencies = [","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101459"}},{"Add":{"text":" \"find-msvc-tools\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101479"}},{"Add":{"text":" \"jobserver\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101493"}},{"Add":{"text":" \"libc\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101502"}},{"Add":{"text":" \"shlex\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101512"}},{"Add":{"text":"]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101514"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101515"}},{"Add":{"text":"[[package]]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101527"}},{"Add":{"text":"name = \"cfg-if\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101543"}},{"Add":{"text":"version = \"1.0.4\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101561"}},{"Add":{"text":"source = \"registry+https://github.com/rust-lang/crates.io-index\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101626"}},{"Add":{"text":"checksum = \"9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101704"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101705"}},{"Add":{"text":"[[package]]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101717"}},{"Add":{"text":"name = \"cpufeatures\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101738"}},{"Add":{"text":"version = \"0.2.17\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101757"}},{"Add":{"text":"source = \"registry+https://github.com/rust-lang/crates.io-index\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101822"}},{"Add":{"text":"checksum = \"59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101900"}},{"Add":{"text":"dependencies = [","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101917"}},{"Add":{"text":" \"libc\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101926"}},{"Add":{"text":"]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101928"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101929"}},{"Add":{"text":"[[package]]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101941"}},{"Add":{"text":"name = \"crypto-common\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101964"}},{"Add":{"text":"version = \"0.1.7\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:101982"}},{"Add":{"text":"source = 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\"windows-link\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:109676"}},{"Add":{"text":"]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:109678"}}]}},{"FileAdd":{"meta":{"basename":".gitignore","metadata":0},"context":[{"change":0,"pos":99306}],"contents":[{"Add":{"text":"target/","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:109724"}},{"Add":{"text":"corpus/","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:109732"}},{"Add":{"text":"artifacts/","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:109743"}},{"Add":{"text":"coverage/","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:109753"}}]}},{"FileAdd":{"meta":{"basename":"examples","metadata":576},"context":[{"change":0,"pos":1}],"contents":[]}},{"FileAdd":{"meta":{"basename":"time.rs","metadata":0},"context":[{"change":0,"pos":109791}],"contents":[{"Add":{"text":"//! Micro-benchmark twin of `elfedit/examples/time.rs`: measure the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:109881"}},{"Add":{"text":"//! per-operation cost of a `machoedit` edit + re-sign (open + set_id +","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:109953"}},{"Add":{"text":"//! add_rpath + update) with the file copies pre-staged and warm, so we","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110025"}},{"Add":{"text":"//! time only machoedit's work, not the copy or its cache eviction. Run:","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110098"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110102"}},{"Add":{"text":"//! ```text","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110114"}},{"Add":{"text":"//! cargo run -q --release --example time -p machoedit -- /path/to/dylib","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110187"}},{"Add":{"text":"//! ```","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110195"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110199"}},{"Add":{"text":"//! Contrast with `cargo bench` (benches/edit.rs), which uses criterion but","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110275"}},{"Add":{"text":"//! must pay a per-iteration copy; this harness pre-copies once and is the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110350"}},{"Add":{"text":"//! cleanest read on the size-independence claim.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110400"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110401"}},{"Add":{"text":"use machoedit::MachO;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110423"}},{"Add":{"text":"use std::time::{Duration, Instant};","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110459"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110460"}},{"Add":{"text":"fn main() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110472"}},{"Add":{"text":" let src = std::env::args().nth(1).expect(\"usage: time \");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110541"}},{"Add":{"text":" let n: u32 = 60;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110562"}},{"Add":{"text":" let dir = tempfile::tempdir().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110606"}},{"Add":{"text":" let paths: Vec<_> = (0..n)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110637"}},{"Add":{"text":" .map(|i| {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110656"}},{"Add":{"text":" let p = dir.path().join(format!(\"c{i}.dylib\"));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110716"}},{"Add":{"text":" std::fs::copy(&src, &p).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110762"}},{"Add":{"text":" p","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110776"}},{"Add":{"text":" })","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110787"}},{"Add":{"text":" .collect();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110807"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110808"}},{"Add":{"text":" let (mut topen, mut tupd) = (Duration::ZERO, Duration::ZERO);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110874"}},{"Add":{"text":" for p in &paths {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110896"}},{"Add":{"text":" let t0 = Instant::now();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110929"}},{"Add":{"text":" let mut m = MachO::open(p).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:110974"}},{"Add":{"text":" let t1 = Instant::now();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111007"}},{"Add":{"text":" m.set_id(b\"/nix/store/0123456789abcdef0123456789abcdef-x/lib/x.dylib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111086"}},{"Add":{"text":" .add_rpath(b\"/nix/store/fedcba9876543210fedcba9876543210-dep/lib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111165"}},{"Add":{"text":" .unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111188"}},{"Add":{"text":" m.update().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111217"}},{"Add":{"text":" let t2 = Instant::now();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111250"}},{"Add":{"text":" topen += t1 - t0;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111276"}},{"Add":{"text":" tupd += t2 - t1;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111301"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111307"}},{"Add":{"text":" let name = src.rsplit('/').next().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111355"}},{"Add":{"text":" println!(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111369"}},{"Add":{"text":" \"{name:>18} open {:>8.1?}/it edit+update {:>8.1?}/it\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111435"}},{"Add":{"text":" topen / n,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111454"}},{"Add":{"text":" tupd / n","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111471"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111478"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111480"}}]}},{"FileAdd":{"meta":{"basename":"scan.rs","metadata":0},"context":[{"change":0,"pos":109791}],"contents":[{"Add":{"text":"//! Robustness campaign: point machoedit at a pile of real Mach-O binaries","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111590"}},{"Add":{"text":"//! (e.g. extracted Homebrew bottles) and see where it breaks. For each","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111662"}},{"Add":{"text":"//! file we try the full open → edit → re-sign path and then ask Apple's own","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111743"}},{"Add":{"text":"//! `codesign` whether the result is still valid. Failures are printed with","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111819"}},{"Add":{"text":"//! a category; a summary is written to stderr.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111867"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111871"}},{"Add":{"text":"//! ```text","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111883"}},{"Add":{"text":"//! cargo run --release --example scan -- [ ...]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111943"}},{"Add":{"text":"//! ```","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111951"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111952"}},{"Add":{"text":"use machoedit::MachO;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:111974"}},{"Add":{"text":"use std::collections::BTreeMap;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112006"}},{"Add":{"text":"use std::path::{Path, PathBuf};","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112038"}},{"Add":{"text":"use std::process::Command;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112065"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112066"}},{"Add":{"text":"fn is_macho(p: &Path) -> bool {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112098"}},{"Add":{"text":" use std::io::Read;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112121"}},{"Add":{"text":" let mut b = [0u8; 8];","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112147"}},{"Add":{"text":" let Ok(mut f) = std::fs::File::open(p) else {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112197"}},{"Add":{"text":" return false;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112219"}},{"Add":{"text":" };","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112226"}},{"Add":{"text":" if f.read_exact(&mut b).is_err() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112265"}},{"Add":{"text":" return false;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112287"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112293"}},{"Add":{"text":" let head: [u8; 4] = b[..4].try_into().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112345"}},{"Add":{"text":" if matches!(u32::from_le_bytes(head), 0xfeed_facf | 0xfeed_face)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112414"}},{"Add":{"text":" || matches!(u32::from_be_bytes(head), 0xfeed_facf | 0xfeed_face)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112487"}},{"Add":{"text":" {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112493"}},{"Add":{"text":" return true;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112514"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112520"}},{"Add":{"text":" // fat magic (cafebabe/cafebabf) collides with Java .class; a real fat","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112595"}},{"Add":{"text":" // header has a small nfat_arch, a class file's version field is large.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112671"}},{"Add":{"text":" matches!(u32::from_be_bytes(head), 0xcafe_babe | 0xcafe_babf)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112737"}},{"Add":{"text":" && u32::from_be_bytes(b[4..8].try_into().unwrap()) <= 0x20","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112804"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112806"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112807"}},{"Add":{"text":"fn walk(dir: &Path, out: &mut Vec) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112853"}},{"Add":{"text":" let Ok(rd) = std::fs::read_dir(dir) else {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112900"}},{"Add":{"text":" return;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112916"}},{"Add":{"text":" };","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112923"}},{"Add":{"text":" for e in rd.flatten() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112951"}},{"Add":{"text":" let p = e.path();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:112977"}},{"Add":{"text":" if std::fs::symlink_metadata(&p)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113018"}},{"Add":{"text":" .map(|m| m.file_type().is_symlink())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113067"}},{"Add":{"text":" .unwrap_or(true)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113096"}},{"Add":{"text":" {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113106"}},{"Add":{"text":" continue;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113128"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113138"}},{"Add":{"text":" if p.is_dir() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113162"}},{"Add":{"text":" walk(&p, out);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113189"}},{"Add":{"text":" } else if p.is_file() && is_macho(&p) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113237"}},{"Add":{"text":" out.push(p);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113262"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113272"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113278"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113280"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113281"}},{"Add":{"text":"/// Apple's verdict on the (re-signed) file. `--strict` so we don't get a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113355"}},{"Add":{"text":"/// false pass on a structurally-off signature.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113403"}},{"Add":{"text":"fn codesign_ok(p: &Path) -> bool {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113438"}},{"Add":{"text":" Command::new(\"codesign\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113467"}},{"Add":{"text":" .args([\"--verify\", \"--strict\", p.to_str().unwrap()])","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113528"}},{"Add":{"text":" .output()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113546"}},{"Add":{"text":" .map(|o| o.status.success())","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113583"}},{"Add":{"text":" .unwrap_or(false)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113609"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113611"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113612"}},{"Add":{"text":"fn classify(p: &Path) -> String {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113646"}},{"Add":{"text":" match MachO::open(p) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113673"}},{"Add":{"text":" Err(machoedit::Error::FatUnsupported) => \"FAT\".into(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113736"}},{"Add":{"text":" Err(e) => format!(\"OPEN_ERR:{e}\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113779"}},{"Add":{"text":" Ok(mut m) => {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113802"}},{"Add":{"text":" // No usable CodeDirectory: unsigned, or a signature shape we","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113876"}},{"Add":{"text":" // refuse to touch (special slots / non-sha256).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113937"}},{"Add":{"text":" if m.cdhash().is_err() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:113974"}},{"Add":{"text":" return \"NO_CD\".into();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114013"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114027"}},{"Add":{"text":" // Idempotent-ish edit that exercises the header pad + re-sign.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114103"}},{"Add":{"text":" let _ = m.add_rpath(b\"/elpe/probe/lib\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114156"}},{"Add":{"text":" match m.update() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114187"}},{"Add":{"text":" Err(e) => format!(\"UPDATE_ERR:{e}\"),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114240"}},{"Add":{"text":" Ok(()) => {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114268"}},{"Add":{"text":" let self_ok = m.verify_adhoc().unwrap_or(false);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114337"}},{"Add":{"text":" let apple = codesign_ok(p);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114385"}},{"Add":{"text":" match (self_ok, apple) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114430"}},{"Add":{"text":" (true, true) => \"OK\".into(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114483"}},{"Add":{"text":" (_, false) => \"APPLE_REJECT\".into(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114544"}},{"Add":{"text":" (false, true) => \"SELF_FAIL\".into(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114605"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114627"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114645"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114659"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114669"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114675"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114677"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114678"}},{"Add":{"text":"fn main() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114690"}},{"Add":{"text":" let mut files = Vec::new();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114722"}},{"Add":{"text":" for a in std::env::args().skip(1) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114762"}},{"Add":{"text":" walk(Path::new(&a), &mut files);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114803"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114809"}},{"Add":{"text":" files.sort();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114827"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114828"}},{"Add":{"text":" let mut counts: BTreeMap = BTreeMap::new();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114891"}},{"Add":{"text":" for p in &files {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114913"}},{"Add":{"text":" let status = classify(p);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:114947"}},{"Add":{"text":" let key = status.split(':').next().unwrap().to_string();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115012"}},{"Add":{"text":" *counts.entry(key.clone()).or_default() += 1;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115066"}},{"Add":{"text":" if key != \"OK\" {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115091"}},{"Add":{"text":" println!(\"{status}\\t{}\", p.display());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115142"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115152"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115158"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115159"}},{"Add":{"text":" eprintln!(\"\\n--- summary: {} Mach-O files ---\", files.len());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115225"}},{"Add":{"text":" for (k, n) in &counts {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115253"}},{"Add":{"text":" eprintln!(\"{k:>14}: {n}\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115288"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115294"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115296"}}]}},{"FileAdd":{"meta":{"basename":"probe.rs","metadata":0},"context":[{"change":0,"pos":109791}],"contents":[{"Add":{"text":"//! Diagnostic probe: copy a Mach-O, optionally edit, re-sign, and report","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115405"}},{"Add":{"text":"//! machoedit's own verify verdict. `MACHOEDIT_DEBUG=1` dumps CD params.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115478"}},{"Add":{"text":"//! Second arg \"noupdate\" checks the stock signature without re-signing;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115551"}},{"Add":{"text":"//! \"rpath\" adds an LC_RPATH before re-signing; default = pure re-sign.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115623"}},{"Add":{"text":"use machoedit::MachO;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115645"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115646"}},{"Add":{"text":"fn main() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115658"}},{"Add":{"text":" let src = std::env::args().nth(1).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115706"}},{"Add":{"text":" let mode = std::env::args().nth(2).unwrap_or_default();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115766"}},{"Add":{"text":" let dst = \"/tmp/probe.bin\";","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115798"}},{"Add":{"text":" std::fs::copy(&src, dst).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115837"}},{"Add":{"text":" let mut m = MachO::open(dst).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115880"}},{"Add":{"text":" match mode.as_str() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115906"}},{"Add":{"text":" \"noupdate\" => {}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115931"}},{"Add":{"text":" \"rpath\" => {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:115952"}},{"Add":{"text":" m.add_rpath(b\"/elpe/probe/lib\").unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116006"}},{"Add":{"text":" m.update().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116039"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116049"}},{"Add":{"text":" _ => m.update().unwrap(),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116083"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116089"}},{"Add":{"text":" println!(\"mode={mode} verify_adhoc={:?}\", m.verify_adhoc());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116154"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116156"}}]}},{"FileAdd":{"meta":{"basename":"benches","metadata":576},"context":[{"change":0,"pos":1}],"contents":[]}},{"FileAdd":{"meta":{"basename":"edit.rs","metadata":0},"context":[{"change":0,"pos":116192}],"contents":[{"Add":{"text":"//! Honest scaling benchmark: does a full edit + re-sign stay flat as the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116287"}},{"Add":{"text":"//! binary grows, the way `elfedit` does?","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116329"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116333"}},{"Add":{"text":"//! The metric is wall-clock time for the *edit pipeline* — `open` →","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116406"}},{"Add":{"text":"//! `set_id` → `add_rpath` → `update` (which re-signs) — on a private copy","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116487"}},{"Add":{"text":"//! of each fixture. The per-iteration copy that gives us that private file","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116563"}},{"Add":{"text":"//! is done in `iter_batched`'s setup and is **not** timed; we measure only","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116639"}},{"Add":{"text":"//! the work `machoedit` itself does. If the crate is truly O(edit), the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116712"}},{"Add":{"text":"//! numbers for a 64 KiB and a 64 MiB dylib should be within noise.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116780"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116784"}},{"Add":{"text":"//! Point it at a directory of `*.dylib` fixtures of varying sizes:","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116852"}},{"Add":{"text":"//!","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116856"}},{"Add":{"text":"//! ```text","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116868"}},{"Add":{"text":"//! MACHOEDIT_FIXTURES=/path/to/fixtures cargo bench -p machoedit","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116934"}},{"Add":{"text":"//! ```","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116942"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:116943"}},{"Add":{"text":"use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion, Throughput};","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117029"}},{"Add":{"text":"use machoedit::MachO;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117051"}},{"Add":{"text":"use std::fs;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117064"}},{"Add":{"text":"use std::path::PathBuf;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117088"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117089"}},{"Add":{"text":"fn fixtures() -> Vec {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117121"}},{"Add":{"text":" let dir = std::env::var(\"MACHOEDIT_FIXTURES\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117171"}},{"Add":{"text":" .expect(\"set MACHOEDIT_FIXTURES to a dir of *.dylib fixtures\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117243"}},{"Add":{"text":" let mut v: Vec = fs::read_dir(&dir)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117292"}},{"Add":{"text":" .expect(\"read fixtures dir\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117329"}},{"Add":{"text":" .filter_map(|e| {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117355"}},{"Add":{"text":" let p = e.unwrap().path();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117394"}},{"Add":{"text":" (p.extension().map(|x| x == \"dylib\").unwrap_or(false)).then_some(p)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117474"}},{"Add":{"text":" })","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117485"}},{"Add":{"text":" .collect();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117505"}},{"Add":{"text":" v.sort_by_key(|p| fs::metadata(p).unwrap().len());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117560"}},{"Add":{"text":" v","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117566"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117568"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117569"}},{"Add":{"text":"fn bench_edit(c: &mut Criterion) {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117604"}},{"Add":{"text":" let mut g = c.benchmark_group(\"edit_resign\");","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117654"}},{"Add":{"text":" for fx in fixtures() {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117681"}},{"Add":{"text":" let size = fs::metadata(&fx).unwrap().len();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117734"}},{"Add":{"text":" // Throughput lets criterion also report bytes/s, making any hidden","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117810"}},{"Add":{"text":" // size dependence obvious (flat time => throughput rises linearly).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117887"}},{"Add":{"text":" g.throughput(Throughput::Bytes(size));","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:117934"}},{"Add":{"text":" g.bench_with_input(BenchmarkId::from_parameter(fmt_size(size)), &fx, |b, fx| {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118021"}},{"Add":{"text":" b.iter_batched(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118049"}},{"Add":{"text":" || {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118070"}},{"Add":{"text":" // setup (untimed): a private, writable copy to edit,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118144"}},{"Add":{"text":" // pre-read so its pages are warm — otherwise the copy's","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118223"}},{"Add":{"text":" // cache eviction, not machoedit, dominates the timing of","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118301"}},{"Add":{"text":" // large fixtures and fakes a size dependence.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118368"}},{"Add":{"text":" let tmp = tempfile::Builder::new()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118423"}},{"Add":{"text":" .suffix(\".dylib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118465"}},{"Add":{"text":" .tempfile()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118501"}},{"Add":{"text":" .unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118536"}},{"Add":{"text":" fs::copy(fx, tmp.path()).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118591"}},{"Add":{"text":" criterion::black_box(fs::read(tmp.path()).unwrap());","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118664"}},{"Add":{"text":" tmp","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118688"}},{"Add":{"text":" },","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118707"}},{"Add":{"text":" |tmp| {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118731"}},{"Add":{"text":" let mut m = MachO::open(tmp.path()).unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118797"}},{"Add":{"text":" m.set_id(b\"/nix/store/0123456789abcdef0123456789abcdef-x/lib/x.dylib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118888"}},{"Add":{"text":" .add_rpath(b\"/nix/store/fedcba9876543210fedcba9876543210-dep/lib\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:118979"}},{"Add":{"text":" .unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119014"}},{"Add":{"text":" m.update().unwrap();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119055"}},{"Add":{"text":" tmp","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119079"}},{"Add":{"text":" },","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119098"}},{"Add":{"text":" criterion::BatchSize::PerIteration,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119150"}},{"Add":{"text":" );","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119165"}},{"Add":{"text":" });","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119177"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119183"}},{"Add":{"text":" g.finish();","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119199"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119201"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119202"}},{"Add":{"text":"fn fmt_size(n: u64) -> String {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119234"}},{"Add":{"text":" if n >= 1 << 20 {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119256"}},{"Add":{"text":" format!(\"{}MiB\", n >> 20)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119290"}},{"Add":{"text":" } else {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119303"}},{"Add":{"text":" format!(\"{}KiB\", n >> 10)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119337"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119343"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119345"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119346"}},{"Add":{"text":"criterion_group!(benches, bench_edit);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119385"}},{"Add":{"text":"criterion_main!(benches);","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119411"}}]}},{"FileAdd":{"meta":{"basename":"README.md","metadata":0},"context":[{"change":0,"pos":1}],"contents":[{"Add":{"text":"# machoedit","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119458"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119459"}},{"Add":{"text":"The Apple counterpart of `elfedit`: rewrite the linking metadata of a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119529"}},{"Add":{"text":"Mach-O binary so it can be relocated into a Nix-like store, then re-sign","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119602"}},{"Add":{"text":"it so arm64 will actually run it.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119636"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119637"}},{"Add":{"text":"## Why this is not just \"patch some bytes\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119680"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119681"}},{"Add":{"text":"On `elfedit` the job is `PT_INTERP` + `DT_RUNPATH` + `DT_NEEDED`. The","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119751"}},{"Add":{"text":"Mach-O map is:","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119766"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119767"}},{"Add":{"text":"| `elfedit` (ELF) | `machoedit` (Mach-O) |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119844"}},{"Add":{"text":"|----------------------------|---------------------------------------------|","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:119921"}},{"Add":{"text":"| `set_interpreter` | — (dyld is not relocatable, always system) |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120000"}},{"Add":{"text":"| `set_runpath` | `add_rpath` (`LC_RPATH`) |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120078"}},{"Add":{"text":"| `add_needed` (DT_NEEDED) | `change_dylib` (`LC_LOAD_DYLIB` install name)|","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120156"}},{"Add":{"text":"| — (n/a on ELF) | `set_id` (`LC_ID_DYLIB`) |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120236"}},{"Add":{"text":"| — (n/a on ELF) | **ad-hoc re-signing** (`LC_CODE_SIGNATURE`) |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120316"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120317"}},{"Add":{"text":"The last row is the whole point. On Apple Silicon, every Mach-O must","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120386"}},{"Add":{"text":"carry a valid code signature or the kernel `SIGKILL`s it at `exec`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120454"}},{"Add":{"text":"Editing a single byte invalidates the signature, so every edit is","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120520"}},{"Add":{"text":"followed by a full ad-hoc re-sign: a `CS_ADHOC` `CodeDirectory` whose","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120590"}},{"Add":{"text":"code slots are SHA-256 hashes of each 4 KiB page. Ad-hoc signing needs","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120661"}},{"Add":{"text":"no certificate and no Apple tooling, so it is implemented here in pure","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120732"}},{"Add":{"text":"Rust and works cross-platform (you can relocate arm64 macOS binaries","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120801"}},{"Add":{"text":"from a Linux builder).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120824"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120825"}},{"Add":{"text":"## Design","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120835"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120836"}},{"Add":{"text":"Every edit fits inside the *header padding* the linker leaves between the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120910"}},{"Add":{"text":"load commands and the first section (build with","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:120958"}},{"Add":{"text":"`-headerpad_max_install_names`). Section data never moves, and the code","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121030"}},{"Add":{"text":"signature keeps its file offset (`codeLimit` is constant), so the file","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121101"}},{"Add":{"text":"keeps its length: we rewrite the load-command region in place, zero the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121173"}},{"Add":{"text":"freed padding, and recompute the signature. Time/space cost is","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121236"}},{"Add":{"text":"independent of the binary size, like `elfedit`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121284"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121285"}},{"Add":{"text":"## Performance","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121300"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121301"}},{"Add":{"text":"Size-independent, like `elfedit`. A full edit + re-sign (`open` → `set_id`","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121378"}},{"Add":{"text":"→ `add_rpath` → `update`) is flat from a 16 KiB to a 129 MiB dylib","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121449"}},{"Add":{"text":"(release, Apple M1, warm pages):","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121482"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121483"}},{"Add":{"text":"| dylib size | edit + re-sign |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121515"}},{"Add":{"text":"|-----------:|---------------:|","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121547"}},{"Add":{"text":"| 16 KiB | ~90 µs |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121580"}},{"Add":{"text":"| 4 MiB | ~155 µs |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121613"}},{"Add":{"text":"| 32 MiB | ~240 µs |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121646"}},{"Add":{"text":"| 129 MiB | ~230 µs |","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121679"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121680"}},{"Add":{"text":"The mild rise is `open`'s mmap+parse setup, not the edit or the signing,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121753"}},{"Add":{"text":"both of which are constant. Two subtleties make this work:","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121812"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121813"}},{"Add":{"text":"- We hash only the pages the edit dirtied (the header pad) and copy every","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121887"}},{"Add":{"text":" other CodeDirectory slot untouched — never a whole-file re-hash.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:121956"}},{"Add":{"text":"- macOS caches code-signature validation per vnode, so an in-place mmap","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122028"}},{"Add":{"text":" write leaves it stale and the kernel `SIGKILL`s whoever maps the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122095"}},{"Add":{"text":" \"tainted\" page (even though `codesign --verify` passes on disk!). We","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122166"}},{"Add":{"text":" `msync(MS_INVALIDATE)` **only the dirtied pages** to force","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122227"}},{"Add":{"text":" re-validation, instead of copying the file to a fresh vnode (which would","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122302"}},{"Add":{"text":" be O(size)). This syscall is the bulk of the fixed ~200 µs cost — the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122377"}},{"Add":{"text":" macOS signing tax that ELF simply does not pay.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122427"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122428"}},{"Add":{"text":"Reproduce: `cargo run --release --example time -- ` (clean","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122494"}},{"Add":{"text":"per-op numbers) or `MACHOEDIT_FIXTURES= cargo bench` (criterion).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122565"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122566"}},{"Add":{"text":"## Status","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122576"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122577"}},{"Add":{"text":"Working and validated on real Apple Silicon (macOS 26, arm64): edits are","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122650"}},{"Add":{"text":"accepted by `otool`, the re-signed binary passes Apple's own","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122711"}},{"Add":{"text":"`codesign --verify` (\"valid on disk / satisfies its Designated","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122774"}},{"Add":{"text":"Requirement\") and `dlopen`s and runs. See `tests/macos_codesign.rs`","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122842"}},{"Add":{"text":"(gated on `target_os = \"macos\"`); the pure-computation tests run","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122907"}},{"Add":{"text":"everywhere.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122919"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122920"}},{"Add":{"text":"### Real-world coverage","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122944"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:122945"}},{"Add":{"text":"Swept over a representative sample of the ecosystem — ~12 Homebrew bottles","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123022"}},{"Add":{"text":"(openssl, python, git, gettext, coreutils, ripgrep, …), 252 Mach-O files —","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123101"}},{"Add":{"text":"with each relocated, re-signed and then re-checked by Apple's `codesign`","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123174"}},{"Add":{"text":"(`examples/scan.rs`). **249/249 non-bundle Mach-O pass.** The sweep forced","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123249"}},{"Add":{"text":"two fixes the toy fixture had hidden:","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123287"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123288"}},{"Add":{"text":"- **Special slots.** Every real binary is ad-hoc-signed with","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123349"}},{"Add":{"text":" `nSpecialSlots=2` (Info.plist + Requirements); v1 only handled 0. Since we","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123426"}},{"Add":{"text":" only ever rewrite *code* slots, preserving the (untouched) special slots","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123501"}},{"Add":{"text":" is enough — we just stopped rejecting them.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123549"}},{"Add":{"text":"- **Page size is per-binary.** Apple Silicon signs in **16 KiB** pages, not","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123625"}},{"Add":{"text":" 4 KiB; the CodeDirectory declares it (`pageSize` = log2). We now read it","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123700"}},{"Add":{"text":" from each file instead of assuming. `sample_signed.dylib` +","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123762"}},{"Add":{"text":" `real_world_signature_verifies_and_survives_edit` lock this in.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123828"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123829"}},{"Add":{"text":"The 3 remaining rejects are **app/framework bundles** (\"code has no","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123897"}},{"Add":{"text":"resources but signature indicates they must be present\") — see the scope","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123972"}},{"Add":{"text":"note below.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123984"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123985"}},{"Add":{"text":"### Not yet","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123997"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:123998"}},{"Add":{"text":"- **App/framework bundles.** This tool signs a *Mach-O*, not a bundle.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124069"}},{"Add":{"text":" Re-sealing a bundle's resource envelope (`CodeResources`, `Info.plist`) is","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124146"}},{"Add":{"text":" a bundle-level operation (`codesign --deep`); handle it separately.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124216"}},{"Add":{"text":"- Fat/universal binaries (`lipo -thin arm64` first). Note the `cafebabe`","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124289"}},{"Add":{"text":" magic is shared with Java `.class` files — disambiguate on `nfat_arch`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124365"}},{"Add":{"text":"- Adding an `LC_CODE_SIGNATURE` to a binary that lacks one (all arm64","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124435"}},{"Add":{"text":" binaries already have one).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124465"}},{"Add":{"text":"- Growing beyond the header pad (would require relocating section data,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124537"}},{"Add":{"text":" as `install_name_tool` does without `-headerpad_max_install_names`).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124608"}},{"Add":{"text":"- Certificate-based signing (a Designated Requirement that survives even a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124683"}},{"Add":{"text":" *version* change). Deliberately not done: for a content-addressed store,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124758"}},{"Add":{"text":" a content change *should* produce a new identity, and a cert would be a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124832"}},{"Add":{"text":" trust anchor to manage — an impurity. See \"Stable identity\" below.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124903"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124904"}},{"Add":{"text":"## Stable identity, without a certificate","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124946"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:124947"}},{"Add":{"text":"Consent (TCC, Gatekeeper, library validation) is keyed on the code","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125014"}},{"Add":{"text":"identity — the **cdhash** — not the file path. Ad-hoc signing that changes","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125093"}},{"Add":{"text":"the cdhash on every build is what creates the AWS EC2 Mac consent-fatigue","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125167"}},{"Add":{"text":"problem (root is restored each boot, so a grant baked against a churning","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125240"}},{"Add":{"text":"identity never sticks).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125264"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125265"}},{"Add":{"text":"`machoedit`'s ad-hoc signing is **deterministic**: code slots are plain","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125337"}},{"Add":{"text":"`SHA-256` of the file's pages, with no timestamp or nonce. So identical","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125409"}},{"Add":{"text":"store content yields an identical cdhash across rebuilds — and","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125474"}},{"Add":{"text":"`cdhash()` returns exactly the value Apple computes (`CandidateCDHashFull`;","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125550"}},{"Add":{"text":"`cdhash_short()` is the 20-byte form used in `cdhash H\"…\"` requirements).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125626"}},{"Add":{"text":"Elpe can bake that hash into a PPPC profile shipped in the AMI, and the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125698"}},{"Add":{"text":"grant persists as long as the package content does — no certificate, no","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125772"}},{"Add":{"text":"per-build churn. A *version* update changes the content and hence the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125842"}},{"Add":{"text":"hash, which is correct: it is genuinely a different binary. Verified","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125911"}},{"Add":{"text":"against Apple's tooling in `tests/macos_codesign.rs`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:125965"}}]}},{"FileAdd":{"meta":{"basename":"Cargo.toml","metadata":0},"context":[{"change":0,"pos":1}],"contents":[{"Add":{"text":"[package]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126012"}},{"Add":{"text":"name = \"machoedit\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126031"}},{"Add":{"text":"version = \"0.1.0\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126049"}},{"Add":{"text":"edition = \"2021\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126066"}},{"Add":{"text":"licence = \"AGPL-3.0-or-later\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126096"}},{"Add":{"text":"include = [","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126108"}},{"Add":{"text":" \"Cargo.toml\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126124"}},{"Add":{"text":" \"src/lib.rs\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126140"}},{"Add":{"text":" \"src/fuzzcheck.rs\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126162"}},{"Add":{"text":" \"src/sample.dylib\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126184"}},{"Add":{"text":" \"src/sample_signed.dylib\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126213"}},{"Add":{"text":" \"README.md\",","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126228"}},{"Add":{"text":"]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126230"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126231"}},{"Add":{"text":"[features]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126242"}},{"Add":{"text":"# Exposes `machoedit::fuzzcheck`, shared by the proptest test and cargo-fuzz.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126320"}},{"Add":{"text":"fuzzing = [\"dep:arbitrary\", \"dep:tempfile\"]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126364"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126365"}},{"Add":{"text":"[dependencies]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126380"}},{"Add":{"text":"libc = \"0.2\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126393"}},{"Add":{"text":"memmap = \"0.7.0\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126410"}},{"Add":{"text":"sha2 = \"0.10.8\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126426"}},{"Add":{"text":"thiserror = \"2.0.12\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126447"}},{"Add":{"text":"arbitrary = { version = \"1\", features = [\"derive\"], optional = true }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126517"}},{"Add":{"text":"tempfile = { version = \"3.19.1\", optional = true }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126568"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126569"}},{"Add":{"text":"[dev-dependencies]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126588"}},{"Add":{"text":"tempfile = \"3.19.1\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126608"}},{"Add":{"text":"criterion = \"0.5\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126626"}},{"Add":{"text":"proptest = \"1\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126641"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126642"}},{"Add":{"text":"[[bench]]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126652"}},{"Add":{"text":"name = \"edit\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126666"}},{"Add":{"text":"harness = false","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126682"}}]}},{"FileAdd":{"meta":{"basename":"darwinvm","metadata":576},"context":[{"change":2,"pos":1}],"contents":[]}},{"FileAdd":{"meta":{"basename":"vzspike.swift","metadata":0},"context":[{"change":0,"pos":126720}],"contents":[{"Add":{"text":"// Spike: boot a Linux guest with Virtualization.framework from our own","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126814"}},{"Add":{"text":"// (ad-hoc-signed) binary, streaming the guest console to stdout. This","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126885"}},{"Add":{"text":"// de-risks the DarwinVmBackend: framework availability, the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:126946"}},{"Add":{"text":"// `com.apple.security.virtualization` entitlement under an ad-hoc","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127013"}},{"Add":{"text":"// signature, VM creation/start, and a Linux boot to userspace.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127077"}},{"Add":{"text":"//","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127080"}},{"Add":{"text":"// Build & run (on Apple Silicon, full Xcode):","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127127"}},{"Add":{"text":"// xcrun swiftc vzspike.swift -o vzspike -framework Virtualization","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127196"}},{"Add":{"text":"// codesign --entitlements vz.entitlements -s - vzspike","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127254"}},{"Add":{"text":"// ./vzspike # needs Image + initramfs in cwd (see README)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127326"}},{"Add":{"text":"//","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127329"}},{"Add":{"text":"// The kernel MUST be an uncompressed arm64 `Image` (magic \"ARM\\x64\" at","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127401"}},{"Add":{"text":"// offset 56), not the distro's compressed/EFI-stub `vmlinuz` — see README.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127479"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127480"}},{"Add":{"text":"import Foundation","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127498"}},{"Add":{"text":"import Virtualization","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127520"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127521"}},{"Add":{"text":"let cfg = VZVirtualMachineConfiguration()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127563"}},{"Add":{"text":"cfg.cpuCount = 2","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127580"}},{"Add":{"text":"cfg.memorySize = 1024 * 1024 * 1024","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127616"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127617"}},{"Add":{"text":"let bl = VZLinuxBootLoader(kernelURL: URL(fileURLWithPath: \"Image\"))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127686"}},{"Add":{"text":"bl.initialRamdiskURL = URL(fileURLWithPath: \"initramfs\")","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127743"}},{"Add":{"text":"bl.commandLine = \"console=hvc0\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127775"}},{"Add":{"text":"cfg.bootLoader = bl","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127795"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127796"}},{"Add":{"text":"// Guest console -> our stdout (a virtio console serial port).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127859"}},{"Add":{"text":"let serial = VZVirtioConsoleDeviceSerialPortConfiguration()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127919"}},{"Add":{"text":"serial.attachment = VZFileHandleSerialPortAttachment(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:127973"}},{"Add":{"text":" fileHandleForReading: nil,","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128004"}},{"Add":{"text":" fileHandleForWriting: FileHandle.standardOutput)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128057"}},{"Add":{"text":"cfg.serialPorts = [serial]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128084"}},{"Add":{"text":"cfg.entropyDevices = [VZVirtioEntropyDeviceConfiguration()]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128144"}},{"Add":{"text":"cfg.memoryBalloonDevices = [VZVirtioTraditionalMemoryBalloonDeviceConfiguration()]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128227"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128228"}},{"Add":{"text":"do {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128233"}},{"Add":{"text":" try cfg.validate()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128256"}},{"Add":{"text":"} catch {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128266"}},{"Add":{"text":" FileHandle.standardError.write(\"validate: \\(error)\\n\".data(using: .utf8)!)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128345"}},{"Add":{"text":" exit(2)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128357"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128359"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128360"}},{"Add":{"text":"let vm = VZVirtualMachine(configuration: cfg)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128406"}},{"Add":{"text":"vm.start { r in","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128422"}},{"Add":{"text":" if case .failure(let e) = r {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128456"}},{"Add":{"text":" FileHandle.standardError.write(\"start failed: \\(e)\\n\".data(using: .utf8)!)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128539"}},{"Add":{"text":" exit(3)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128555"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128561"}},{"Add":{"text":" FileHandle.standardError.write(\">>> VM started\\n\".data(using: .utf8)!)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128636"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128638"}},{"Add":{"text":"// VZVirtualMachine is driven on the main queue; keep a run loop alive.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128710"}},{"Add":{"text":"RunLoop.main.run(until: Date().addingTimeInterval(12))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128765"}},{"Add":{"text":"FileHandle.standardError.write(\">>> spike window elapsed\\n\".data(using: .utf8)!)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128846"}}]}},{"FileAdd":{"meta":{"basename":"vzspike-efi.swift","metadata":0},"context":[{"change":0,"pos":126720}],"contents":[{"Add":{"text":"// Spike (EFI variant): boot a full UEFI disk image — e.g. the raw form of","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:128964"}},{"Add":{"text":"// Elpe's own bootable qcow2 — with Virtualization.framework, letting the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129040"}},{"Add":{"text":"// guest's own bootloader (systemd-boot) run under VF's built-in EFI. This","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129115"}},{"Add":{"text":"// is the counterpart of vzspike.swift's VZLinuxBootLoader: no separate","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129187"}},{"Add":{"text":"// kernel/initrd, just a disk.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129218"}},{"Add":{"text":"//","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129221"}},{"Add":{"text":"// Build & run (Apple Silicon, full Xcode):","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129265"}},{"Add":{"text":"// xcrun swiftc vzspike-efi.swift -o vzspike-efi -framework Virtualization","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129342"}},{"Add":{"text":"// codesign --entitlements vz.entitlements -s - vzspike-efi","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129404"}},{"Add":{"text":"// qemu-img convert -f qcow2 -O raw disk.qcow2 disk.raw # VF needs raw","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129479"}},{"Add":{"text":"// ./vzspike-efi disk.raw","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129507"}},{"Add":{"text":"//","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129510"}},{"Add":{"text":"// The kernel cmdline that Elpe's arm64 image bakes in ends with","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129575"}},{"Add":{"text":"// `console=hvc0`, which lands on the VZVirtioConsole serial port streamed","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129650"}},{"Add":{"text":"// to stdout below (systemd-boot's own menu draws on the EFI console and may","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129727"}},{"Add":{"text":"// not appear; the kernel output does, after the ~3s loader timeout).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129797"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129798"}},{"Add":{"text":"import Foundation","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129816"}},{"Add":{"text":"import Virtualization","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129838"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129839"}},{"Add":{"text":"let args = CommandLine.arguments","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129872"}},{"Add":{"text":"guard args.count >= 2 else {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129901"}},{"Add":{"text":" FileHandle.standardError.write(\"usage: vzspike-efi [nvram]\\n\".data(using: .utf8)!)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:129999"}},{"Add":{"text":" exit(1)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130011"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130013"}},{"Add":{"text":"let diskPath = args[1]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130036"}},{"Add":{"text":"let nvramPath = args.count > 2 ? args[2] : \"efistore.nvram\"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130096"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130097"}},{"Add":{"text":"let cfg = VZVirtualMachineConfiguration()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130139"}},{"Add":{"text":"cfg.cpuCount = 2","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130156"}},{"Add":{"text":"cfg.memorySize = 2 * 1024 * 1024 * 1024","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130196"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130197"}},{"Add":{"text":"// EFI boot loader + a persistent NVRAM variable store.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130253"}},{"Add":{"text":"let bl = VZEFIBootLoader()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130280"}},{"Add":{"text":"let nvramURL = URL(fileURLWithPath: nvramPath)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130327"}},{"Add":{"text":"bl.variableStore =","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130346"}},{"Add":{"text":" FileManager.default.fileExists(atPath: nvramPath)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130400"}},{"Add":{"text":" ? VZEFIVariableStore(url: nvramURL)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130440"}},{"Add":{"text":" : (try! VZEFIVariableStore(creatingVariableStoreAt: nvramURL))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130507"}},{"Add":{"text":"cfg.bootLoader = bl","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130527"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130528"}},{"Add":{"text":"// The disk (raw; VF does not read qcow2).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130571"}},{"Add":{"text":"let attach = try! VZDiskImageStorageDeviceAttachment(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130625"}},{"Add":{"text":" url: URL(fileURLWithPath: diskPath), readOnly: false)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130683"}},{"Add":{"text":"cfg.storageDevices = [VZVirtioBlockDeviceConfiguration(attachment: attach)]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130759"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130760"}},{"Add":{"text":"// Guest console -> our stdout.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130792"}},{"Add":{"text":"let serial = VZVirtioConsoleDeviceSerialPortConfiguration()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130852"}},{"Add":{"text":"serial.attachment = VZFileHandleSerialPortAttachment(","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130906"}},{"Add":{"text":" fileHandleForReading: nil, fileHandleForWriting: FileHandle.standardOutput)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:130986"}},{"Add":{"text":"cfg.serialPorts = [serial]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131013"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131014"}},{"Add":{"text":"// NAT networking so the openssh demo service is reachable from the host.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131088"}},{"Add":{"text":"let net = VZVirtioNetworkDeviceConfiguration()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131135"}},{"Add":{"text":"net.attachment = VZNATNetworkDeviceAttachment()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131183"}},{"Add":{"text":"cfg.networkDevices = [net]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131210"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131211"}},{"Add":{"text":"cfg.entropyDevices = [VZVirtioEntropyDeviceConfiguration()]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131271"}},{"Add":{"text":"cfg.memoryBalloonDevices = [VZVirtioTraditionalMemoryBalloonDeviceConfiguration()]","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131354"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131355"}},{"Add":{"text":"do {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131360"}},{"Add":{"text":" try cfg.validate()","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131383"}},{"Add":{"text":"} catch {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131393"}},{"Add":{"text":" FileHandle.standardError.write(\"validate: \\(error)\\n\".data(using: .utf8)!)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131472"}},{"Add":{"text":" exit(2)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131484"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131486"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131487"}},{"Add":{"text":"let vm = VZVirtualMachine(configuration: cfg)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131533"}},{"Add":{"text":"vm.start { r in","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131549"}},{"Add":{"text":" if case .failure(let e) = r {","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131583"}},{"Add":{"text":" FileHandle.standardError.write(\"start failed: \\(e)\\n\".data(using: .utf8)!)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131666"}},{"Add":{"text":" exit(3)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131682"}},{"Add":{"text":" }","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131688"}},{"Add":{"text":" FileHandle.standardError.write(\">>> VM started\\n\".data(using: .utf8)!)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131763"}},{"Add":{"text":"}","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131765"}},{"Add":{"text":"RunLoop.main.run(until: Date().addingTimeInterval(30))","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131820"}},{"Add":{"text":"FileHandle.standardError.write(\">>> spike window elapsed\\n\".data(using: .utf8)!)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131901"}}]}},{"FileAdd":{"meta":{"basename":"vz.entitlements","metadata":0},"context":[{"change":0,"pos":126720}],"contents":[{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:131985"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132088"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132110"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132117"}},{"Add":{"text":"\tcom.apple.security.virtualization","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132163"}},{"Add":{"text":"\t","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132172"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132180"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132189"}}]}},{"FileAdd":{"meta":{"basename":"README.md","metadata":0},"context":[{"change":0,"pos":126720}],"contents":[{"Add":{"text":"# DarwinVmBackend — spike","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132260"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132261"}},{"Add":{"text":"Goal: run Elpe's build/isolation on macOS in a **VM** (Virtualization.framework),","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132343"}},{"Add":{"text":"the modern replacement for nix-darwin's weak `sandbox-exec`. Two guest kinds","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132420"}},{"Add":{"text":"are wanted:","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132432"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132433"}},{"Add":{"text":"- **Linux guest** — cross-build Linux images/binaries *from a Mac* (a primary","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132513"}},{"Add":{"text":" use case), and hermetic isolation without Apple's security theatre.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132583"}},{"Add":{"text":"- **macOS guest** — build/sign macOS packages (2-VMs-max per host, IPSW","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132657"}},{"Add":{"text":" restore); deferred.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132679"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132680"}},{"Add":{"text":"## What the spike proved (2026-08-03, on germaine, arm64 macOS 26)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132747"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132748"}},{"Add":{"text":"`vzspike.swift` boots an Alpine Linux guest and streams its console to","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132819"}},{"Add":{"text":"stdout — reaching the initramfs userspace shell. This burns down the real","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132895"}},{"Add":{"text":"risks:","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132902"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132903"}},{"Add":{"text":"1. Virtualization.framework is present and usable.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:132954"}},{"Add":{"text":"2. The **`com.apple.security.virtualization` entitlement works under an","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133026"}},{"Add":{"text":" ad-hoc signature** (`codesign -s -`), no paid Team ID / provisioning","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133098"}},{"Add":{"text":" profile needed on a dev machine.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133134"}},{"Add":{"text":"3. Our own binary can create + start a `VZVirtualMachine`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133193"}},{"Add":{"text":"4. A Linux guest boots to userspace; the virtio console is captured.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133262"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133263"}},{"Add":{"text":"The guest drops to the initramfs *emergency shell* only because we gave it","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133338"}},{"Add":{"text":"no root disk (kernel + initramfs only) — expected. Next increment: attach a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133416"}},{"Add":{"text":"root disk (`VZDiskImageStorageDeviceAttachment`) or a virtiofs share of the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133492"}},{"Add":{"text":"store (`VZVirtioFileSystemDeviceConfiguration`).","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133541"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133542"}},{"Add":{"text":"## Recipe / gotchas","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133562"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133563"}},{"Add":{"text":"- **Kernel format.** `VZLinuxBootLoader` needs an *uncompressed* arm64","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133634"}},{"Add":{"text":" `Image` (magic `41 52 4d 64` = \"ARM\\x64\" at offset 56). A distro's","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133703"}},{"Add":{"text":" `vmlinuz` is a compressed / EFI-stub PE and fails to start with a generic","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133779"}},{"Add":{"text":" `VZErrorDomain Code=1 \"Internal Virtualization error\"`. Extract the raw","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133853"}},{"Add":{"text":" Image (à la kernel `scripts/extract-vmlinux`): find the gzip magic","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133923"}},{"Add":{"text":" `1f 8b 08` and pipe the tail through `gunzip` (the CLI tolerates the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:133994"}},{"Add":{"text":" trailing bytes the kernel appends; Python's strict `gzip.decompress` does","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134070"}},{"Add":{"text":" not). Alternatively use `VZEFIBootLoader` + a bootable disk image, which","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134145"}},{"Add":{"text":" offloads kernel handling to the guest's own EFI — the likely path for a","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134221"}},{"Add":{"text":" full build guest.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134241"}},{"Add":{"text":"- **Entitlement.** Sign with `--entitlements vz.entitlements`; verify with","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134316"}},{"Add":{"text":" `codesign -d --entitlements - vzspike`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134358"}},{"Add":{"text":"- **Run loop.** `VZVirtualMachine` runs on the main queue; keep","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134422"}},{"Add":{"text":" `RunLoop.main` alive or nothing happens.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134465"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134466"}},{"Add":{"text":"## Fetching a test kernel","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134492"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134493"}},{"Add":{"text":"```sh","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134499"}},{"Add":{"text":"BASE=https://dl-cdn.alpinelinux.org/alpine/v3.20/releases/aarch64/netboot","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134573"}},{"Add":{"text":"curl -fsSLO $BASE/vmlinuz-virt -o vmlinuz","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134615"}},{"Add":{"text":"curl -fsSLO $BASE/initramfs-virt -o initramfs","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134661"}},{"Add":{"text":"# then extract the uncompressed Image from vmlinuz (see gotchas)","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134726"}},{"Add":{"text":"```","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134730"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134731"}},{"Add":{"text":"## Bindings decision","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134752"}},{"Add":{"text":"","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134753"}},{"Add":{"text":"A thin **Swift shim exposing a small C ABI**, called from Rust via FFI —","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134828"}},{"Add":{"text":"rather than driving the verbose Virtualization ObjC API through `objc2`.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134901"}},{"Add":{"text":"(ObjC is *not* deprecated, but VF is Swift-friendlier and we will want Swift","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:134978"}},{"Add":{"text":"here regardless.) This spike is pure Swift; the C-ABI + Rust wrapper is the","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:135054"}},{"Add":{"text":"next, low-risk step.","pos":"OYTAIQEETMDZVTL5FWHZQ2YXU4LPDYJYASKDV43ECIXDONBWVOXQC:135075"}}]}}],"owner":"pmeunier","repo":"elpe","token":"V9zpx62wDXDBS9zuxu4YmbNFQqjdTfRzwp0EV6ho910=","login":null}

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