diff options
Diffstat (limited to 'src/tftpd.rs')
| -rw-r--r-- | src/tftpd.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/tftpd.rs b/src/tftpd.rs index 102063d..6513367 100644 --- a/src/tftpd.rs +++ b/src/tftpd.rs @@ -181,6 +181,11 @@ impl Tftpd { socket.set_read_timeout(Some(Duration::from_secs(5)))?; socket.connect(cl)?; + if buf.len() < 2 { + self.tftp.send_error(&socket, 0, "Invalid request length")?; + return Err(io::Error::new(io::ErrorKind::Other, "invalid request length")); + } + match u16::from_be_bytes([buf[0], buf[1]]) { // opcode o if o == rtftp::Opcode::RRQ as u16 => { if self.conf.wo { |