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encryption

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This commit is contained in:
nora 2024-08-23 01:02:55 +02:00
parent de8f5dde21
commit e35ff86a12
10 changed files with 494 additions and 7 deletions
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14
lib/ssh-transport/src/parse.rs
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@ -28,6 +28,10 @@ impl<'a> Parser<'a> {
Self(data)
}
pub fn remaining(&self) -> &[u8] {
&self.0
}
pub fn has_data(&self) -> bool {
!self.0.is_empty()
}
@ -45,7 +49,10 @@ impl<'a> Parser<'a> {
pub fn array<const N: usize>(&mut self) -> Result<[u8; N]> {
assert!(N < 100_000);
if self.0.len() < N {
return Err(ParseError(format!("packet too short")));
return Err(ParseError(format!(
"packet too short, expected {N} but found {}",
self.0.len()
)));
}
let result = self.0[..N].try_into().unwrap();
self.0 = &self.0[N..];
@ -54,7 +61,10 @@ impl<'a> Parser<'a> {
pub fn slice(&mut self, len: usize) -> Result<&'a [u8]> {
if self.0.len() < len {
return Err(ParseError(format!("packet too short")));
return Err(ParseError(format!(
"packet too short, expected {len} but found {}",
self.0.len()
)));
}
if len > 100_000 {
return Err(ParseError(format!("bytes too long: {len}")));