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Diffstat (limited to 'libpam/pam_dispatch.c')
-rw-r--r--libpam/pam_dispatch.c41
1 files changed, 34 insertions, 7 deletions
diff --git a/libpam/pam_dispatch.c b/libpam/pam_dispatch.c
index eb52c824..cf632e8e 100644
--- a/libpam/pam_dispatch.c
+++ b/libpam/pam_dispatch.c
@@ -217,8 +217,14 @@ static int _pam_dispatch_aux(pam_handle_t *pamh, int flags, struct handler *h,
status = retval;
}
}
- if ( impression == _PAM_POSITIVE && action == _PAM_ACTION_DONE ) {
- goto decision_made;
+ if ( impression == _PAM_POSITIVE ) {
+ if ( retval == PAM_SUCCESS ) {
+ h->grantor = 1;
+ }
+
+ if ( action == _PAM_ACTION_DONE ) {
+ goto decision_made;
+ }
}
break;
@@ -262,6 +268,9 @@ static int _pam_dispatch_aux(pam_handle_t *pamh, int flags, struct handler *h,
|| (impression == _PAM_POSITIVE
&& status == PAM_SUCCESS) ) {
if ( retval != PAM_IGNORE || cached_retval == retval ) {
+ if ( impression == _PAM_UNDEF && retval == PAM_SUCCESS ) {
+ h->grantor = 1;
+ }
impression = _PAM_POSITIVE;
status = retval;
}
@@ -308,6 +317,13 @@ decision_made: /* by getting here we have made a decision */
return status;
}
+static void _pam_clear_grantors(struct handler *h)
+{
+ for (; h != NULL; h = h->next) {
+ h->grantor = 0;
+ }
+}
+
/*
* This function translates the module dispatch request into a pointer
* to the stack of modules that will actually be run. the
@@ -318,21 +334,21 @@ decision_made: /* by getting here we have made a decision */
int _pam_dispatch(pam_handle_t *pamh, int flags, int choice)
{
struct handler *h = NULL;
- int retval, use_cached_chain;
+ int retval = PAM_SYSTEM_ERR, use_cached_chain;
_pam_boolean resumed;
IF_NO_PAMH("_pam_dispatch", pamh, PAM_SYSTEM_ERR);
if (__PAM_FROM_MODULE(pamh)) {
D(("called from a module!?"));
- return PAM_SYSTEM_ERR;
+ goto end;
}
/* Load all modules, resolve all symbols */
if ((retval = _pam_init_handlers(pamh)) != PAM_SUCCESS) {
pam_syslog(pamh, LOG_ERR, "unable to dispatch function");
- return retval;
+ goto end;
}
use_cached_chain = _PAM_PLEASE_FREEZE;
@@ -360,7 +376,8 @@ int _pam_dispatch(pam_handle_t *pamh, int flags, int choice)
break;
default:
pam_syslog(pamh, LOG_ERR, "undefined fn choice; %d", choice);
- return PAM_ABORT;
+ retval = PAM_ABORT;
+ goto end;
}
if (h == NULL) { /* there was no handlers.conf... entry; will use
@@ -393,11 +410,13 @@ int _pam_dispatch(pam_handle_t *pamh, int flags, int choice)
pam_syslog(pamh, LOG_ERR,
"application failed to re-exec stack [%d:%d]",
pamh->former.choice, choice);
- return PAM_ABORT;
+ retval = PAM_ABORT;
+ goto end;
}
resumed = PAM_TRUE;
} else {
resumed = PAM_FALSE;
+ _pam_clear_grantors(h);
}
__PAM_TO_MODULE(pamh);
@@ -417,5 +436,13 @@ int _pam_dispatch(pam_handle_t *pamh, int flags, int choice)
pamh->former.choice = PAM_NOT_STACKED;
}
+end:
+
+#ifdef HAVE_LIBAUDIT
+ if (choice != PAM_CHAUTHTOK || flags & PAM_UPDATE_AUTHTOK || retval != PAM_SUCCESS) {
+ retval = _pam_auditlog(pamh, choice, retval, flags, h);
+ }
+#endif
+
return retval;
}