[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Mini run-parts implementation for busybox
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| 4 | *
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| 5 | *
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| 6 | * Copyright (C) 2001 by Emanuele Aina <emanuele.aina@tiscali.it>
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| 7 | *
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| 8 | * Based on the Debian run-parts program, version 1.15
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| 9 | * Copyright (C) 1996 Jeff Noxon <jeff@router.patch.net>,
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| 10 | * Copyright (C) 1996-1999 Guy Maor <maor@debian.org>
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| 11 | *
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| 12 | *
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| 13 | * Licensed under GPL v2, see file LICENSE in this tarball for details.
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| 14 | */
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| 15 |
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| 16 | /* This is my first attempt to write a program in C (well, this is my first
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| 17 | * attempt to write a program! :-) . */
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| 18 |
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| 19 | /* This piece of code is heavily based on the original version of run-parts,
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| 20 | * taken from debian-utils. I've only removed the long options and a the
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| 21 | * report mode. As the original run-parts support only long options, I've
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| 22 | * broken compatibility because the BusyBox policy doesn't allow them.
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| 23 | * The supported options are:
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| 24 | * -t test. Print the name of the files to be executed, without
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| 25 | * execute them.
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| 26 | * -a ARG argument. Pass ARG as an argument the program executed. It can
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| 27 | * be repeated to pass multiple arguments.
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| 28 | * -u MASK umask. Set the umask of the program executed to MASK. */
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| 29 |
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| 30 | /* TODO
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| 31 | * done - convert calls to error in perror... and remove error()
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| 32 | * done - convert malloc/realloc to their x... counterparts
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| 33 | * done - remove catch_sigchld
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| 34 | * done - use bb's concat_path_file()
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| 35 | * done - declare run_parts_main() as extern and any other function as static?
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| 36 | */
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| 37 |
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| 38 | #include "busybox.h"
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| 39 | #include <getopt.h>
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| 40 | #include <stdlib.h>
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| 41 |
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| 42 |
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| 43 | static const struct option runparts_long_options[] = {
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| 44 | { "test", 0, NULL, 't' },
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| 45 | { "umask", 1, NULL, 'u' },
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| 46 | { "arg", 1, NULL, 'a' },
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| 47 | { 0, 0, 0, 0 }
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| 48 | };
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| 49 |
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| 50 | extern char **environ;
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| 51 |
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| 52 | /* run_parts_main */
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| 53 | /* Process options */
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| 54 | int run_parts_main(int argc, char **argv)
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| 55 | {
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| 56 | char **args = xmalloc(2 * sizeof(char *));
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| 57 | unsigned char test_mode = 0;
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| 58 | unsigned short argcount = 1;
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| 59 | int opt;
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| 60 |
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| 61 | umask(022);
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| 62 |
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| 63 | while ((opt = getopt_long (argc, argv, "tu:a:",
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| 64 | runparts_long_options, NULL)) > 0)
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| 65 | {
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| 66 | switch (opt) {
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| 67 | /* Enable test mode */
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| 68 | case 't':
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| 69 | test_mode++;
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| 70 | break;
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| 71 | /* Set the umask of the programs executed */
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| 72 | case 'u':
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| 73 | /* Check and set the umask of the program executed. As stated in the original
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| 74 | * run-parts, the octal conversion in libc is not foolproof; it will take the
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| 75 | * 8 and 9 digits under some circumstances. We'll just have to live with it.
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| 76 | */
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| 77 | umask(bb_xgetlarg(optarg, 8, 0, 07777));
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| 78 | break;
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| 79 | /* Pass an argument to the programs */
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| 80 | case 'a':
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| 81 | /* Add an argument to the commands that we will call.
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| 82 | * Called once for every argument. */
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| 83 | args = xrealloc(args, (argcount + 2) * (sizeof(char *)));
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| 84 | args[argcount++] = optarg;
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| 85 | break;
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| 86 | default:
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| 87 | bb_show_usage();
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| 88 | }
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| 89 | }
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| 90 |
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| 91 | /* We require exactly one argument: the directory name */
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| 92 | if (optind != (argc - 1)) {
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| 93 | bb_show_usage();
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| 94 | }
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| 95 |
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| 96 | args[0] = argv[optind];
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| 97 | args[argcount] = 0;
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| 98 |
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| 99 | return(run_parts(args, test_mode, environ));
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| 100 | }
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