run_parts: do not check path portion of a name for "bad chars".

Needed for ifupdown. Patch by "Gabriel L. Somlo" <somlo@cmu.edu>

diff --git a/debianutils/run_parts.c b/debianutils/run_parts.c
index eb2fb94..e6dec04 100644 (file)
--- a/debianutils/run_parts.c
+++ b/debianutils/run_parts.c
@@ -60,14 +60,17 @@ struct globals {
  */
 static bool invalid_name(const char *c)
 {
-       while (*c) {
-               if (!isalnum(*c) && (*c != '_') && (*c != '-' && (*c != '/'))) {
-                       return 1;
-               }
-               ++c;
-       }
-       return 0;
+       const char *base_name = strrchr(c, '/');
+
+       if (base_name)
+               c = base_name + 1;
+
+       while (*c && (isalnum(*c) || *c == '_' || *c == '-'))
+               c++;
+
+       return *c; /* TRUE (!0) if terminating NUL is not reached */
 }
+
 #define RUN_PARTS_OPT_a (1<<0)
 #define RUN_PARTS_OPT_u (1<<1)
 #define RUN_PARTS_OPT_t (1<<2)
@@ -81,6 +84,7 @@ static bool invalid_name(const char *c)
 #else
 #define list_mode (0)
 #endif
+
 static int act(const char *file, struct stat *statbuf, void *args, int depth)
 {
        int ret;