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SSH-01-006: Add missing NULL check in ssh_pki_do_sign_agent()

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Fixes T193

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
This commit is contained in:
Andreas Schneider
2019-10-28 14:22:52 +01:00
parent 69daa602b8
commit 56d571ab81
1 changed files with 3 additions and 0 deletions
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src/pki.c
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@@ -2384,6 +2384,9 @@ ssh_string ssh_pki_do_sign_agent(ssh_session session,
int rc; int rc;
crypto = ssh_packet_get_current_crypto(session, SSH_DIRECTION_BOTH); crypto = ssh_packet_get_current_crypto(session, SSH_DIRECTION_BOTH);
if (crypto == NULL) {
return NULL;
}
/* prepend session identifier */ /* prepend session identifier */
session_id = ssh_string_new(crypto->digest_len); session_id = ssh_string_new(crypto->digest_len);