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

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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 14:31:54 +01:00
parent 8aa2bbd0dc
commit 9ae81c5ceb
1 changed files with 8 additions and 1 deletions
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7
src/server.c
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@@ -175,6 +175,13 @@ int server_set_kex(ssh_session session)
wanted = ssh_kex_get_default_methods(i); wanted = ssh_kex_get_default_methods(i);
} }
} }
if (wanted == NULL) {
for (j = 0; j < i; j++) {
SAFE_FREE(server->methods[j]);
}
return -1;
}
server->methods[i] = strdup(wanted); server->methods[i] = strdup(wanted);
if (server->methods[i] == NULL) { if (server->methods[i] == NULL) {
for (j = 0; j < i; j++) { for (j = 0; j < i; j++) {