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-rw-r--r--source3/libsmb/clikrb5.c57
1 files changed, 40 insertions, 17 deletions
diff --git a/source3/libsmb/clikrb5.c b/source3/libsmb/clikrb5.c
index e957cbc91f..81797a7bfc 100644
--- a/source3/libsmb/clikrb5.c
+++ b/source3/libsmb/clikrb5.c
@@ -234,6 +234,42 @@ krb5_error_code get_kerberos_allowed_etypes(krb5_context context,
}
#endif
+static BOOL ads_cleanup_expired_creds(krb5_context context,
+ krb5_ccache ccache,
+ krb5_creds *credsp)
+{
+ krb5_error_code retval;
+
+ DEBUG(3, ("Ticket in ccache[%s] expiration %s\n",
+ krb5_cc_default_name(context),
+ http_timestring(credsp->times.endtime)));
+
+ /* we will probably need new tickets if the current ones
+ will expire within 10 seconds.
+ */
+ if (credsp->times.endtime >= (time(NULL) + 10))
+ return False;
+
+ /* heimdal won't remove creds from a file ccache, and
+ perhaps we shouldn't anyway, since internally we
+ use memory ccaches, and a FILE one probably means that
+ we're using creds obtained outside of our exectuable
+ */
+ if (StrCaseCmp(krb5_cc_get_type(context, ccache), "FILE") == 0) {
+ DEBUG(5, ("We do not remove creds from a FILE ccache\n"));
+ return False;
+ }
+
+ retval = krb5_cc_remove_cred(context, ccache, 0, credsp);
+ if (retval) {
+ DEBUG(1, ("krb5_cc_remove_cred failed, err %s\n",
+ error_message(retval)));
+ /* If we have an error in this, we want to display it,
+ but continue as though we deleted it */
+ }
+ return True;
+}
+
/*
we can't use krb5_mk_req because w2k wants the service to be in a particular format
*/
@@ -249,7 +285,7 @@ static krb5_error_code ads_krb5_mk_req(krb5_context context,
krb5_creds * credsp;
krb5_creds creds;
krb5_data in_data;
- BOOL have_creds = False;
+ BOOL creds_ready = False;
retval = krb5_parse_name(context, principal, &server);
if (retval) {
@@ -271,7 +307,7 @@ static krb5_error_code ads_krb5_mk_req(krb5_context context,
goto cleanup_creds;
}
- while(!have_creds) {
+ while(!creds_ready) {
if ((retval = krb5_get_credentials(context, 0, ccache,
&creds, &credsp))) {
DEBUG(1,("krb5_get_credentials failed for %s (%s)\n",
@@ -287,21 +323,8 @@ static krb5_error_code ads_krb5_mk_req(krb5_context context,
krb5_set_real_time(context, t + time_offset + 1, 0);
}
- /* cope with expired tickets */
- if ((unsigned)credsp->times.endtime < time(NULL)) {
- DEBUG(3,("Ticket (%s) in ccache (%s) has expired (%s - %d). Obtaining new ticket.\n",
- principal, krb5_cc_default_name(context),
- http_timestring(
- (unsigned)credsp->times.endtime),
- (unsigned)credsp->times.endtime));
- if ((retval = krb5_cc_remove_cred(context, ccache, 0,
- credsp))) {
- DEBUG(1,("krb5_cc_remove_cred failed for %s (%s)\n",
- principal, error_message(retval)));
- }
- } else {
- have_creds = True;
- }
+ if (!ads_cleanup_expired_creds(context, ccache, credsp))
+ creds_ready = True;
}
DEBUG(10,("Ticket (%s) in ccache (%s) is valid until: (%s - %d)\n",