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-rw-r--r--nsswitch/pam_winbind.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/nsswitch/pam_winbind.c b/nsswitch/pam_winbind.c
index 51346a8670..52a8daa1e7 100644
--- a/nsswitch/pam_winbind.c
+++ b/nsswitch/pam_winbind.c
@@ -1137,6 +1137,7 @@ static bool winbind_name_list_to_sid_string_list(struct pwb_context *ctx,
char *current_name = NULL;
const char *search_location;
const char *comma;
+ int len;
if (sid_list_buffer_size > 0) {
sid_list_buffer[0] = 0;
@@ -1192,6 +1193,17 @@ static bool winbind_name_list_to_sid_string_list(struct pwb_context *ctx,
_make_remark_format(ctx, PAM_TEXT_INFO, _("Cannot convert group %s "
"to sid, please contact your administrator to see "
"if group %s is valid."), search_location, search_location);
+ /*
+ * The lookup of the last name failed..
+ * It results in require_member_of_sid ends with ','
+ * It is malformated parameter here, overwrite the last ','.
+ */
+ len = strlen(sid_list_buffer);
+ if (len) {
+ if (sid_list_buffer[len - 1] == ',') {
+ sid_list_buffer[len - 1] = '\0';
+ }
+ }
}
result = true;