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authorDavid Disseldorp <ddiss@samba.org>2013-04-17 10:39:12 -0700
committerJeremy Allison <jra@samba.org>2013-04-17 21:29:29 +0200
commit0fa404c7d5c8de826d31958613b3e97587f0835d (patch)
treeca0b70d2da972a9fb7a7623da729be414d6d1752 /nsswitch
parentf340795144348533912dc0a2c33286b48213f790 (diff)
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Bug 9807 - wbinfo: fix segfault in wbinfo_pam_logon
wbinfo_pam_logon() incorrectly assumes that wbcLogonUser() always returns an allocated wbcAuthErrorInfo struct on failure. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Wed Apr 17 21:29:29 CEST 2013 on sn-devel-104
Diffstat (limited to 'nsswitch')
-rw-r--r--nsswitch/wbinfo.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/nsswitch/wbinfo.c b/nsswitch/wbinfo.c
index cd6de34fd5..8b178598ed 100644
--- a/nsswitch/wbinfo.c
+++ b/nsswitch/wbinfo.c
@@ -1749,7 +1749,7 @@ static bool wbinfo_pam_logon(char *username)
{
wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
struct wbcLogonUserParams params;
- struct wbcAuthErrorInfo *error;
+ struct wbcAuthErrorInfo *error = NULL;
char *s = NULL;
char *p = NULL;
TALLOC_CTX *frame = talloc_tos();
@@ -1800,16 +1800,15 @@ static bool wbinfo_pam_logon(char *username)
d_printf("plaintext password authentication %s\n",
WBC_ERROR_IS_OK(wbc_status) ? "succeeded" : "failed");
- if (!WBC_ERROR_IS_OK(wbc_status)) {
+ if (!WBC_ERROR_IS_OK(wbc_status) && (error != NULL)) {
d_fprintf(stderr,
"error code was %s (0x%x)\nerror message was: %s\n",
error->nt_string,
(int)error->nt_status,
error->display_string);
wbcFreeMemory(error);
- return false;
}
- return true;
+ return WBC_ERROR_IS_OK(wbc_status);
}
/* Save creds with winbind */