commit 26747b9b490d190dd20543ea9cbde082ae667402 Author: Tomas Mraz tmraz@fedoraproject.org Date: Thu Jun 2 21:55:41 2011 +0200
Guard for pam_get_user() error in pam_filter module.
ChangeLog | 3 +++ modules/pam_filter/pam_filter.c | 4 ++-- 2 files changed, 5 insertions(+), 2 deletions(-) --- diff --git a/ChangeLog b/ChangeLog index 7af2a86..90bb7c0 100644 --- a/ChangeLog +++ b/ChangeLog @@ -13,6 +13,9 @@ on NULL strings. (password_check): Guard for NULLs returned from memory allocation.
+ * modules/pam_filter/pam_filter.c (process_args): Guard for error return + from pam_get_user(). + 2011-05-30 Thorsten Kukuk kukuk@thkukuk.de
* modules/pam_timestamp/pam_timestamp.c (main): Remove unsused diff --git a/modules/pam_filter/pam_filter.c b/modules/pam_filter/pam_filter.c index 2f290fd..da98148 100644 --- a/modules/pam_filter/pam_filter.c +++ b/modules/pam_filter/pam_filter.c @@ -177,8 +177,8 @@ static int process_args(pam_handle_t *pamh #define USER_OFFSET 5 /* strlen('USER='); */ #define USER_NAME "USER="
- pam_get_user(pamh, &user, NULL); - if (user == NULL) { + if (pam_get_user(pamh, &user, NULL) != PAM_SUCCESS || + user == NULL) { user = "<unknown>"; } size = USER_OFFSET+strlen(user);
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