| 1 | /* vi: set sw=4 ts=4: */
|
|---|
| 2 | /*
|
|---|
| 3 | * Mini run-parts implementation for busybox
|
|---|
| 4 | *
|
|---|
| 5 | *
|
|---|
| 6 | * Copyright (C) 2001 by Emanuele Aina <emanuele.aina@tiscali.it>
|
|---|
| 7 | *
|
|---|
| 8 | * Based on the Debian run-parts program, version 1.15
|
|---|
| 9 | * Copyright (C) 1996 Jeff Noxon <jeff@router.patch.net>,
|
|---|
| 10 | * Copyright (C) 1996-1999 Guy Maor <maor@debian.org>
|
|---|
| 11 | *
|
|---|
| 12 | *
|
|---|
| 13 | * Licensed under GPL v2, see file LICENSE in this tarball for details.
|
|---|
| 14 | */
|
|---|
| 15 |
|
|---|
| 16 | /* This is my first attempt to write a program in C (well, this is my first
|
|---|
| 17 | * attempt to write a program! :-) . */
|
|---|
| 18 |
|
|---|
| 19 | /* This piece of code is heavily based on the original version of run-parts,
|
|---|
| 20 | * taken from debian-utils. I've only removed the long options and a the
|
|---|
| 21 | * report mode. As the original run-parts support only long options, I've
|
|---|
| 22 | * broken compatibility because the BusyBox policy doesn't allow them.
|
|---|
| 23 | * The supported options are:
|
|---|
| 24 | * -t test. Print the name of the files to be executed, without
|
|---|
| 25 | * execute them.
|
|---|
| 26 | * -a ARG argument. Pass ARG as an argument the program executed. It can
|
|---|
| 27 | * be repeated to pass multiple arguments.
|
|---|
| 28 | * -u MASK umask. Set the umask of the program executed to MASK. */
|
|---|
| 29 |
|
|---|
| 30 | /* TODO
|
|---|
| 31 | * done - convert calls to error in perror... and remove error()
|
|---|
| 32 | * done - convert malloc/realloc to their x... counterparts
|
|---|
| 33 | * done - remove catch_sigchld
|
|---|
| 34 | * done - use bb's concat_path_file()
|
|---|
| 35 | * done - declare run_parts_main() as extern and any other function as static?
|
|---|
| 36 | */
|
|---|
| 37 |
|
|---|
| 38 | #include "busybox.h"
|
|---|
| 39 | #include <getopt.h>
|
|---|
| 40 | #include <stdlib.h>
|
|---|
| 41 |
|
|---|
| 42 |
|
|---|
| 43 | static const struct option runparts_long_options[] = {
|
|---|
| 44 | { "test", 0, NULL, 't' },
|
|---|
| 45 | { "umask", 1, NULL, 'u' },
|
|---|
| 46 | { "arg", 1, NULL, 'a' },
|
|---|
| 47 | { 0, 0, 0, 0 }
|
|---|
| 48 | };
|
|---|
| 49 |
|
|---|
| 50 | extern char **environ;
|
|---|
| 51 |
|
|---|
| 52 | /* run_parts_main */
|
|---|
| 53 | /* Process options */
|
|---|
| 54 | int run_parts_main(int argc, char **argv)
|
|---|
| 55 | {
|
|---|
| 56 | char **args = xmalloc(2 * sizeof(char *));
|
|---|
| 57 | unsigned char test_mode = 0;
|
|---|
| 58 | unsigned short argcount = 1;
|
|---|
| 59 | int opt;
|
|---|
| 60 |
|
|---|
| 61 | umask(022);
|
|---|
| 62 |
|
|---|
| 63 | while ((opt = getopt_long (argc, argv, "tu:a:",
|
|---|
| 64 | runparts_long_options, NULL)) > 0)
|
|---|
| 65 | {
|
|---|
| 66 | switch (opt) {
|
|---|
| 67 | /* Enable test mode */
|
|---|
| 68 | case 't':
|
|---|
| 69 | test_mode++;
|
|---|
| 70 | break;
|
|---|
| 71 | /* Set the umask of the programs executed */
|
|---|
| 72 | case 'u':
|
|---|
| 73 | /* Check and set the umask of the program executed. As stated in the original
|
|---|
| 74 | * run-parts, the octal conversion in libc is not foolproof; it will take the
|
|---|
| 75 | * 8 and 9 digits under some circumstances. We'll just have to live with it.
|
|---|
| 76 | */
|
|---|
| 77 | umask(bb_xgetlarg(optarg, 8, 0, 07777));
|
|---|
| 78 | break;
|
|---|
| 79 | /* Pass an argument to the programs */
|
|---|
| 80 | case 'a':
|
|---|
| 81 | /* Add an argument to the commands that we will call.
|
|---|
| 82 | * Called once for every argument. */
|
|---|
| 83 | args = xrealloc(args, (argcount + 2) * (sizeof(char *)));
|
|---|
| 84 | args[argcount++] = optarg;
|
|---|
| 85 | break;
|
|---|
| 86 | default:
|
|---|
| 87 | bb_show_usage();
|
|---|
| 88 | }
|
|---|
| 89 | }
|
|---|
| 90 |
|
|---|
| 91 | /* We require exactly one argument: the directory name */
|
|---|
| 92 | if (optind != (argc - 1)) {
|
|---|
| 93 | bb_show_usage();
|
|---|
| 94 | }
|
|---|
| 95 |
|
|---|
| 96 | args[0] = argv[optind];
|
|---|
| 97 | args[argcount] = 0;
|
|---|
| 98 |
|
|---|
| 99 | return(run_parts(args, test_mode, environ));
|
|---|
| 100 | }
|
|---|
