Fixing a bug with tokio::select

Dependencies

• [2] 7FRJYUI6 Reboot because of a bad change

Change contents

• edit in thrussh/src/server/session.rs at line 151
  [2.192873]

  [2.192873]
  + debug!("starting rekeying");
• replacement in thrussh/src/cipher/mod.rs at line 110
  [2.412048]→[2.412048:412515](∅→∅)
  − let mut len = [0; 4];

  − stream.read_exact(&mut len).await?;

  − debug!("len = {:?}", len);

  − {

  − let key = pair.remote_to_local.as_opening_key();

  − let seqn = buffer.seqn.0;

  − buffer.buffer.clear();

  − buffer.buffer.extend(&len);

  − let len = key.decrypt_packet_length(seqn, len);

  − let len = BigEndian::read_u32(&len) as usize + key.tag_len();

  − debug!("clear len = {:?}", len);

  − buffer.buffer.resize(len + 4);
  [2.412048]

  [2.412515]
  + if buffer.len == 0 {

  + let mut len = [0; 4];

  + stream.read_exact(&mut len).await?;

  + debug!("reading, len = {:?}", len);

  + {

  + let key = pair.remote_to_local.as_opening_key();

  + let seqn = buffer.seqn.0;

  + buffer.buffer.clear();

  + buffer.buffer.extend(&len);

  + debug!("reading, seqn = {:?}", seqn);

  + let len = key.decrypt_packet_length(seqn, len);

  + buffer.len = BigEndian::read_u32(&len) as usize + key.tag_len();

  + debug!("reading, clear len = {:?}", buffer.len);

  + }
• edit in thrussh/src/cipher/mod.rs at line 125
  [2.412521]

  [2.412521]
  + buffer.buffer.resize(buffer.len + 4);

  + debug!("read_exact {:?}", buffer.len + 4);
• edit in thrussh/src/cipher/mod.rs at line 128
  [2.412576]

  [2.412576]
  + debug!("read_exact done");
• replacement in thrussh/src/cipher/mod.rs at line 136
  [2.412896]→[2.412896:412947](∅→∅)
  − debug!("padding_length {:?}", padding_length);
  [2.412896]

  [2.412947]
  + debug!("reading, padding_length {:?}", padding_length);
• replacement in thrussh/src/cipher/mod.rs at line 159
  [2.413618]→[2.413618:413619](∅→∅)
  −
  [2.413618]

  [2.413619]
  + debug!("writing, seqn = {:?}", buffer.seqn.0);