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authorDamien Miller <djm@mindrot.org>2001-02-13 14:43:55 +0100
committerDamien Miller <djm@mindrot.org>2001-02-13 14:43:55 +0100
commit3dfeee46d710c74f48919c827b2403dc7a63c591 (patch)
tree9bf64743186cfc8ce0ece7084f29cb55b86655c6 /auth-pam.c
parent - (stevesk) auth1.c: fix PAM passwordless check. (diff)
downloadopenssh-3dfeee46d710c74f48919c827b2403dc7a63c591.tar.xz
openssh-3dfeee46d710c74f48919c827b2403dc7a63c591.zip
- (djm) Don't try to close PAM session or delete credentials if the
session has not been open or credentials not set. Based on patch from Andrew Bartlett <abartlet@pcug.org.au>
Diffstat (limited to 'auth-pam.c')
-rw-r--r--auth-pam.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/auth-pam.c b/auth-pam.c
index 9e0467f56..cdaa97ed4 100644
--- a/auth-pam.c
+++ b/auth-pam.c
@@ -33,7 +33,7 @@
#include "canohost.h"
#include "readpass.h"
-RCSID("$Id: auth-pam.c,v 1.27 2001/02/11 11:39:19 djm Exp $");
+RCSID("$Id: auth-pam.c,v 1.28 2001/02/13 13:43:56 djm Exp $");
#define NEW_AUTHTOK_MSG \
"Warning: Your password has expired, please change it now"
@@ -72,6 +72,10 @@ int do_pam_authenticate(int flags)
return retval;
}
+/* Remember what has been initialised */
+static int session_opened = 0;
+static int creds_set = 0;
+
/*
* PAM conversation function.
* There are two states this can run in.
@@ -170,17 +174,21 @@ void pam_cleanup_proc(void *context)
{
int pam_retval;
- if (pamh) {
+ if (pamh && session_opened) {
pam_retval = pam_close_session(pamh, 0);
if (pam_retval != PAM_SUCCESS)
log("Cannot close PAM session[%d]: %.200s",
pam_retval, PAM_STRERROR(pamh, pam_retval));
+ }
+ if (pamh && creds_set) {
pam_retval = pam_setcred(pamh, PAM_DELETE_CRED);
if (pam_retval != PAM_SUCCESS)
debug("Cannot delete credentials[%d]: %.200s",
pam_retval, PAM_STRERROR(pamh, pam_retval));
+ }
+ if (pamh) {
pam_retval = pam_end(pamh, pam_retval);
if (pam_retval != PAM_SUCCESS)
log("Cannot release PAM authentication[%d]: %.200s",
@@ -272,6 +280,7 @@ void do_pam_session(char *username, const char *ttyname)
if (pam_retval != PAM_SUCCESS)
fatal("PAM session setup failed[%d]: %.200s",
pam_retval, PAM_STRERROR(pamh, pam_retval));
+ session_opened = 1;
}
/* Set PAM credentials */
@@ -288,7 +297,8 @@ void do_pam_setcred(void)
else
debug("PAM setcred failed[%d]: %.200s",
pam_retval, PAM_STRERROR(pamh, pam_retval));
- }
+ } else
+ creds_set = 1;
}
/* accessor function for file scope static variable */