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packet: Check return value of ssh_buffer_unpack().

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CID: 1230357

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Aris Adamantiadis <aris@0xbadc0de.be>
This commit is contained in:
Andreas Schneider
2014-08-15 10:25:38 +02:00
parent 19433dca00
commit 662217f409
1 changed files with 16 additions and 7 deletions
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23
src/packet.c
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@@ -461,14 +461,23 @@ int ssh_packet_send_unimplemented(ssh_session session, uint32_t seqnum){
* @brief handles a SSH_MSG_UNIMPLEMENTED packet * @brief handles a SSH_MSG_UNIMPLEMENTED packet
*/ */
SSH_PACKET_CALLBACK(ssh_packet_unimplemented){ SSH_PACKET_CALLBACK(ssh_packet_unimplemented){
uint32_t seq; uint32_t seq;
int rc;
(void)session; /* unused */ (void)session; /* unused */
(void)type; (void)type;
(void)user; (void)user;
ssh_buffer_unpack(packet, "d", &seq);
SSH_LOG(SSH_LOG_RARE, rc = ssh_buffer_unpack(packet, "d", &seq);
"Received SSH_MSG_UNIMPLEMENTED (sequence number %d)",seq); if (rc != SSH_OK) {
return SSH_PACKET_USED; SSH_LOG(SSH_LOG_WARNING,
"Could not unpack SSH_MSG_UNIMPLEMENTED packet");
}
SSH_LOG(SSH_LOG_RARE,
"Received SSH_MSG_UNIMPLEMENTED (sequence number %d)",seq);
return SSH_PACKET_USED;
} }
/** @internal /** @internal