run_parts: make it sort executables by name (required by API)
diff --git a/debianutils/run_parts.c b/debianutils/run_parts.c
index 0104eb1..56f70c6 100644
--- a/debianutils/run_parts.c
+++ b/debianutils/run_parts.c
@@ -34,6 +34,69 @@
#include "libbb.h"
+struct globals {
+ char **names;
+ int cur;
+ char *cmd[1];
+};
+#define G (*(struct globals*)&bb_common_bufsiz1)
+#define names (G.names)
+#define cur (G.cur )
+#define cmd (G.cmd )
+
+enum { NUM_CMD = (COMMON_BUFSIZE - sizeof(struct globals)) / sizeof(cmd[0]) };
+
+enum {
+ RUN_PARTS_OPT_a = (1 << 0),
+ RUN_PARTS_OPT_u = (1 << 1),
+ RUN_PARTS_OPT_t = (1 << 2),
+ RUN_PARTS_OPT_l = (1 << 3) * ENABLE_FEATURE_RUN_PARTS_FANCY,
+};
+
+#if ENABLE_FEATURE_RUN_PARTS_FANCY
+#define list_mode (option_mask32 & RUN_PARTS_OPT_l)
+#else
+#define list_mode 0
+#endif
+
+/* Is this a valid filename (upper/lower alpha, digits,
+ * underscores, and hyphens only?)
+ */
+static bool invalid_name(const char *c)
+{
+ c = bb_basename(c);
+
+ while (*c && (isalnum(*c) || *c == '_' || *c == '-'))
+ c++;
+
+ return *c; /* TRUE (!0) if terminating NUL is not reached */
+}
+
+static int bb_alphasort(const void *p1, const void *p2)
+{
+ return strcmp(*(char **) p1, *(char **) p2);
+}
+
+static int act(const char *file, struct stat *statbuf, void *args, int depth)
+{
+ if (depth == 1)
+ return TRUE;
+
+ if (depth == 2
+ && ( !(statbuf->st_mode & (S_IFREG | S_IFLNK))
+ || invalid_name(file)
+ || (!list_mode && access(file, X_OK) != 0))
+ ) {
+ return SKIP;
+ }
+
+ names = xrealloc(names, (cur + 2) * sizeof(names[0]));
+ names[cur++] = xstrdup(file);
+ names[cur] = NULL;
+
+ return TRUE;
+}
+
#if ENABLE_FEATURE_RUN_PARTS_LONG_OPTIONS
static const char runparts_longopts[] ALIGN1 =
"arg\0" Required_argument "a"
@@ -47,100 +110,65 @@
;
#endif
-struct globals {
- smalluint mode;
- char *cmd[10]; /* merely arbitrary arg count */
-};
-#define G (*(struct globals*)&bb_common_bufsiz1)
-
-/* valid_name */
-/* True or false? Is this a valid filename (upper/lower alpha, digits,
- * underscores, and hyphens only?)
- */
-static bool invalid_name(const char *c)
-{
- c = bb_basename(c);
-
- 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)
-#if ENABLE_FEATURE_RUN_PARTS_FANCY
-#define RUN_PARTS_OPT_l (1<<3)
-#endif
-
-#define test_mode (G.mode & RUN_PARTS_OPT_t)
-#if ENABLE_FEATURE_RUN_PARTS_FANCY
-#define list_mode (G.mode & RUN_PARTS_OPT_l)
-#else
-#define list_mode (0)
-#endif
-
-static int act(const char *file, struct stat *statbuf, void *args, int depth)
-{
- int ret;
-
- if (depth == 1)
- return TRUE;
-
- if (depth == 2 &&
- ((!list_mode && access(file, X_OK)) ||
- invalid_name(file) ||
- !(statbuf->st_mode & (S_IFREG | S_IFLNK))) )
- return SKIP;
-
- if (test_mode || list_mode) {
- puts(file);
- return TRUE;
- }
- G.cmd[0] = (char*)file;
- ret = wait4pid(spawn(G.cmd));
- if (ret < 0) {
- bb_perror_msg("failed to exec %s", file);
- } else if (ret > 0) {
- bb_error_msg("%s exited with return code %d", file, ret);
- }
- return !ret;
-}
-
int run_parts_main(int argc, char **argv);
int run_parts_main(int argc, char **argv)
{
- char *umask_p;
+ const char *umask_p = "22";
llist_t *arg_list = NULL;
- unsigned tmp;
+ unsigned n;
+ int ret;
- umask(022);
- /* We require exactly one argument: the directory name */
- opt_complementary = "=1:a::";
#if ENABLE_FEATURE_RUN_PARTS_LONG_OPTIONS
applet_long_options = runparts_longopts;
#endif
- tmp = getopt32(argv, "a:u:t"USE_FEATURE_RUN_PARTS_FANCY("l"), &arg_list, &umask_p);
- G.mode = tmp &~ (RUN_PARTS_OPT_a|RUN_PARTS_OPT_u);
- if (tmp & RUN_PARTS_OPT_u) {
- /* Check and set the umask of the program executed.
- * As stated in the original run-parts, the octal conversion in
- * libc is not foolproof; it will take the 8 and 9 digits under
- * some circumstances. We'll just have to live with it.
- */
- umask(xstrtoul_range(umask_p, 8, 0, 07777));
+ /* We require exactly one argument: the directory name */
+ opt_complementary = "=1:a::";
+ getopt32(argv, "a:u:t"USE_FEATURE_RUN_PARTS_FANCY("l"), &arg_list, &umask_p);
+
+ umask(xstrtou_range(umask_p, 8, 0, 07777));
+
+ n = 1;
+ while (arg_list && n < NUM_CMD) {
+ cmd[n] = arg_list->data;
+ arg_list = arg_list->link;
+ n++;
}
- for (tmp = 1; arg_list; arg_list = arg_list->link, tmp++)
- G.cmd[tmp] = arg_list->data;
- /* G.cmd[tmp] = NULL; - G is already zeroed out */
- if (!recursive_action(argv[argc - 1],
+ /* cmd[n] = NULL; - is already zeroed out */
+
+ /* run-parts has to sort executables by name before running them */
+
+ recursive_action(argv[optind],
ACTION_RECURSE|ACTION_FOLLOWLINKS,
- act, /* file action */
- act, /* dir action */
- NULL, /* user data */
- 1 /* depth */
- ))
- return EXIT_FAILURE;
- return EXIT_SUCCESS;
+ act, /* file action */
+ act, /* dir action */
+ NULL, /* user data */
+ 1 /* depth */
+ );
+
+ if (!names)
+ return 0;
+
+ qsort(names, cur, sizeof(char *), bb_alphasort);
+
+ n = 0;
+ while (1) {
+ char *name = *names++;
+ if (!name)
+ break;
+ if (option_mask32 & (RUN_PARTS_OPT_t | RUN_PARTS_OPT_l)) {
+ puts(name);
+ continue;
+ }
+ cmd[0] = name;
+ ret = wait4pid(spawn(cmd));
+ if (ret == 0)
+ continue;
+ n = 1;
+ if (ret < 0)
+ bb_perror_msg("failed to exec %s", name);
+ else /* ret > 0 */
+ bb_error_msg("%s exited with return code %d", name, ret);
+ }
+
+ return n;
}