/*
* Mini run-parts implementation for busybox
*
- * Copyright (C) 2007 Bernhard Fischer
+ * Copyright (C) 2007 Bernhard Reutner-Fischer
*
* Based on a older version that was in busybox which was 1k big..
* Copyright (C) 2001 by Emanuele Aina <emanuele.aina@tiscali.it>
* report mode. As the original run-parts support only long options, I've
* broken compatibility because the BusyBox policy doesn't allow them.
* The supported options are:
- * -t test. Print the name of the files to be executed, without
- * execute them.
- * -a ARG argument. Pass ARG as an argument the program executed. It can
- * be repeated to pass multiple arguments.
- * -u MASK umask. Set the umask of the program executed to MASK.
+ * -t test. Print the name of the files to be executed, without
+ * execute them.
+ * -a ARG argument. Pass ARG as an argument the program executed. It can
+ * be repeated to pass multiple arguments.
+ * -u MASK umask. Set the umask of the program executed to MASK.
*/
-#include <getopt.h>
-
#include "libbb.h"
-#if ENABLE_FEATURE_RUN_PARTS_LONG_OPTIONS
-static const struct option runparts_long_options[] = {
- { "arg", 1, NULL, 'a' },
- { "umask", 1, NULL, 'u' },
- { "test", 0, NULL, 't' },
-#if ENABLE_FEATURE_RUN_PARTS_FANCY
- { "list", 0, NULL, 'l' },
-//XXX:TODO: { "reverse", 0, NULL, 'r' },
-//XXX:TODO: { "verbose", 0, NULL, 'v' },
-#endif
- { 0, 0, 0, 0 }
-};
-#endif
-
struct globals {
- smalluint mode;
- char *cmd[10]; /* merely arbitrary arg count */
+ 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(G)) / sizeof(cmd[0]) - 1 };
+
+enum {
+ OPT_r = (1 << 0),
+ OPT_a = (1 << 1),
+ OPT_u = (1 << 2),
+ OPT_t = (1 << 3),
+ OPT_l = (1 << 4) * ENABLE_FEATURE_RUN_PARTS_FANCY,
+};
+
+#if ENABLE_FEATURE_RUN_PARTS_FANCY
+#define list_mode (option_mask32 & OPT_l)
+#else
+#define list_mode 0
+#endif
-/* valid_name */
-/* True or false? Is this a valid filename (upper/lower alpha, digits,
+/* Is this a valid filename (upper/lower alpha, digits,
* underscores, and hyphens only?)
*/
static bool invalid_name(const char *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)
+static int bb_alphasort(const void *p1, const void *p2)
{
- int ret;
+ int r = strcmp(*(char **) p1, *(char **) p2);
+ return (option_mask32 & OPT_r) ? -r : r;
+}
+static int FAST_FUNC act(const char *file, struct stat *statbuf, void *args UNUSED_PARAM, int depth)
+{
if (depth == 1)
return TRUE;
- if (depth == 2 &&
- ((!list_mode && access(file, X_OK)) ||
- invalid_name(file) ||
- !(statbuf->st_mode & (S_IFREG | S_IFLNK))) )
+ if (depth == 2
+ && ( !(statbuf->st_mode & (S_IFREG | S_IFLNK))
+ || invalid_name(file)
+ || (!list_mode && access(file, X_OK) != 0))
+ ) {
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;
+
+ names = xrealloc_vector(names, 4, cur);
+ names[cur++] = xstrdup(file);
+ /*names[cur] = NULL; - xrealloc_vector did it */
+
+ return TRUE;
}
-int run_parts_main(int argc, char **argv);
-int run_parts_main(int argc, char **argv)
+#if ENABLE_FEATURE_RUN_PARTS_LONG_OPTIONS
+static const char runparts_longopts[] ALIGN1 =
+ "arg\0" Required_argument "a"
+ "umask\0" Required_argument "u"
+ "test\0" No_argument "t"
+#if ENABLE_FEATURE_RUN_PARTS_FANCY
+ "list\0" No_argument "l"
+ "reverse\0" No_argument "r"
+//TODO: "verbose\0" No_argument "v"
+#endif
+ ;
+#endif
+
+int run_parts_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int run_parts_main(int argc UNUSED_PARAM, 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_long_options;
+ applet_long_options = runparts_longopts;
#endif
- tmp = getopt32(argc, 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 */
+ /* We require exactly one argument: the directory name */
+ opt_complementary = "=1:a::";
+ getopt32(argv, "ra:u:t"IF_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++] = llist_pop(&arg_list);
}
- 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 & (OPT_t | OPT_l)) {
+ puts(name);
+ continue;
+ }
+ cmd[0] = name;
+ ret = wait4pid(spawn(cmd));
+ if (ret == 0)
+ continue;
+ n = 1;
+ if (ret < 0)
+ bb_perror_msg("can't exec %s", name);
+ else /* ret > 0 */
+ bb_error_msg("%s exited with code %d", name, ret);
+ }
+
+ return n;
}
projects / oweals / busybox.git / blobdiff