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authorAlexander Bokovoy <abokovoy@redhat.com>2012-11-20 15:18:50 +0200
committerMartin Kosek <mkosek@redhat.com>2012-11-21 13:18:26 +0100
commit2093007d4d2b3183b65a07d421954b3e8a12e93b (patch)
tree499749399cabb15b2d9b6ed22c47227c90f88a8e /daemons/ipa-sam
parent91e477b9e2617c743f847f8ff0f326de57ceed4a (diff)
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ipasam: better Kerberos error handling in ipasam
If time is moved back on the IPA server, ipasam does not invalidate the existing ticket. https://fedorahosted.org/freeipa/ticket/3183
Diffstat (limited to 'daemons/ipa-sam')
-rw-r--r--daemons/ipa-sam/ipa_sam.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/daemons/ipa-sam/ipa_sam.c b/daemons/ipa-sam/ipa_sam.c
index b1592b71f..3c4c97cd1 100644
--- a/daemons/ipa-sam/ipa_sam.c
+++ b/daemons/ipa-sam/ipa_sam.c
@@ -3809,9 +3809,9 @@ static int bind_callback(LDAP *ldap_struct, struct smbldap_state *ldap_state, vo
ldap_sasl_interact, &data);
/* By now we have 'ret' for LDAP result and 'rc' for Kerberos result
- * if ret is LDAP_INVALID_CREDENTIALS, LDAP server rejected our ccache. There may be several issues:
+ * if LDAP_API_ERROR(ret) is true, LDAP server rejected our ccache. There may be several issues:
*
- * 1. Credentials are invalid due to outdated ccache leftover from previous install
+ * 1. Credentials are invalid due to outdated ccache leftover from previous install or ticket is from future
* Wipe out old ccache and start again
*
* 2. Key in the keytab is not enough to obtain ticket for cifs/FQDN@REALM service
@@ -3825,7 +3825,9 @@ static int bind_callback(LDAP *ldap_struct, struct smbldap_state *ldap_state, vo
* a new ccache file by the above call of bind_callback_obtain_creds(). This is expected and correct behavior.
*
*/
- if ((ret == LDAP_INVALID_CREDENTIALS) && (rc == 0)) {
+
+ if (LDAP_API_ERROR(ret) &&
+ ((rc == 0) || (rc == KRB5KRB_AP_ERR_TKT_NYV) || (rc == KRB5KRB_AP_ERR_TKT_EXPIRED))) {
bind_callback_cleanup_creds(&data);
rc = bind_callback_obtain_creds(&data);
if (rc) {