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packet_cb: Properly verify the signature type

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Issue reported by Tilo Eckert <tilo.eckert@flam.de>

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
(cherry picked from commit bc91fa98ea)
This commit is contained in:
Jakub Jelen
2018-11-22 10:45:20 +01:00
committed by Andreas Schneider
parent c3a57fe2dc
commit 1df272c3cc
1 changed files with 4 additions and 4 deletions
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8
src/packet_cb.c
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@@ -194,15 +194,15 @@ SSH_PACKET_CALLBACK(ssh_packet_newkeys){
goto error;
}
/* check if public key from server matches user preferences */
/* Check if signature from server matches user preferences */
if (session->opts.wanted_methods[SSH_HOSTKEYS]) {
if(!ssh_match_group(session->opts.wanted_methods[SSH_HOSTKEYS],
server_key->type_c)) {
if (!ssh_match_group(session->opts.wanted_methods[SSH_HOSTKEYS],
sig->type_c)) {
ssh_set_error(session,
SSH_FATAL,
"Public key from server (%s) doesn't match user "
"preference (%s)",
server_key->type_c,
sig->type_c,
session->opts.wanted_methods[SSH_HOSTKEYS]);
goto error;
}