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options: Document SSH_OPTIONS_GLOBAL_KNOWNHOSTS and set default value

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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
2017-11-13 11:51:52 +01:00
committed by Andreas Schneider
parent f818e63f8f
commit 4166bb2a26
1 changed files with 18 additions and 1 deletions
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19
src/options.c
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@@ -238,6 +238,16 @@ int ssh_options_set_algo(ssh_session session,
* are genuine. It may include "%s" which will be
* replaced by the user home directory.
*
* - SSH_OPTIONS_GLOBAL_KNOWNHOSTS:
* Set the global known hosts file name (const char *,format string).\n
* \n
* If the value is NULL, the directory is set to the
* default global known hosts file, normally
* /etc/ssh/ssh_known_hosts.\n
* \n
* The known hosts file is used to certify remote hosts
* are genuine.
*
* - SSH_OPTIONS_IDENTITY:
* Set the identity file name (const char *,format string).\n
* \n
@@ -600,7 +610,14 @@ int ssh_options_set(ssh_session session, enum ssh_options_e type,
case SSH_OPTIONS_GLOBAL_KNOWNHOSTS:
v = value;
SAFE_FREE(session->opts.global_knownhosts);
if (v == NULL || v[0] == '\0') {
if (v == NULL) {
session->opts.global_knownhosts =
strdup("/etc/ssh/ssh_known_hosts");
if (session->opts.global_knownhosts == NULL) {
ssh_set_error_oom(session);
return -1;
}
} else if (v[0] == '\0') {
ssh_set_error_invalid(session);
return -1;
} else {