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options: Do not crash when setting knownhosts to NULL (T108)

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Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Jakub Jelen
2018-11-23 14:08:50 +01:00
committed by Andreas Schneider
parent 9d8c943c68
commit 3da5fcbb56
1 changed files with 1 additions and 6 deletions
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7
src/options.c
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@@ -611,12 +611,7 @@ int ssh_options_set(ssh_session session, enum ssh_options_e type,
v = value;
SAFE_FREE(session->opts.knownhosts);
if (v == NULL) {
session->opts.knownhosts = ssh_path_expand_escape(session,
"%d/known_hosts");
if (session->opts.knownhosts == NULL) {
ssh_set_error_oom(session);
return -1;
}
/* The default value will be set by the ssh_options_apply() */
} else if (v[0] == '\0') {
ssh_set_error_invalid(session);
return -1;