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115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini run-parts implementation for busybox
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*
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*
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* Copyright (C) 2001 by Emanuele Aina <emanuele.aina@tiscali.it>
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*
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* Based on the Debian run-parts program, version 1.15
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* Copyright (C) 1996 Jeff Noxon <jeff@router.patch.net>,
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* Copyright (C) 1996-1999 Guy Maor <maor@debian.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*
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*/
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/* This is my first attempt to write a program in C (well, this is my first
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* attempt to write a program! :-) . */
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/* This piece of code is heavily based on the original version of run-parts,
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* taken from debian-utils. I've only removed the long options and a the
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* report mode. As the original run-parts support only long options, I've
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* broken compatibility because the BusyBox policy doesn't allow them.
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* The supported options are:
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* -t test. Print the name of the files to be executed, without
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* execute them.
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* -a ARG argument. Pass ARG as an argument the program executed. It can
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* be repeated to pass multiple arguments.
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* -u MASK umask. Set the umask of the program executed to MASK. */
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/* TODO
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* done - convert calls to error in perror... and remove error()
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* done - convert malloc/realloc to their x... counterparts
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* done - remove catch_sigchld
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* done - use bb's concat_path_file()
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* done - declare run_parts_main() as extern and any other function as static?
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*/
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#include <getopt.h>
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#include <stdlib.h>
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#include "busybox.h"
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static const struct option runparts_long_options[] = {
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{ "test", 0, NULL, 't' },
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{ "umask", 1, NULL, 'u' },
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{ "arg", 1, NULL, 'a' },
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{ 0, 0, 0, 0 }
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};
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extern char **environ;
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/* run_parts_main */
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/* Process options */
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int run_parts_main(int argc, char **argv)
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{
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char **args = xmalloc(2 * sizeof(char *));
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unsigned char test_mode = 0;
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unsigned short argcount = 1;
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int opt;
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umask(022);
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while ((opt = getopt_long (argc, argv, "tu:a:",
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runparts_long_options, NULL)) > 0)
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{
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switch (opt) {
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/* Enable test mode */
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case 't':
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test_mode++;
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break;
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/* Set the umask of the programs executed */
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case 'u':
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/* Check and set the umask of the program executed. As stated in the original
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* run-parts, the octal conversion in libc is not foolproof; it will take the
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* 8 and 9 digits under some circumstances. We'll just have to live with it.
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*/
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umask(bb_xgetlarg(optarg, 8, 0, 07777));
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break;
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/* Pass an argument to the programs */
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case 'a':
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/* Add an argument to the commands that we will call.
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* Called once for every argument. */
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args = xrealloc(args, (argcount + 2) * (sizeof(char *)));
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args[argcount++] = optarg;
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break;
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default:
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bb_show_usage();
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}
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}
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/* We require exactly one argument: the directory name */
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if (optind != (argc - 1)) {
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bb_show_usage();
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}
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args[0] = argv[optind];
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args[argcount] = 0;
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return(run_parts(args, test_mode, environ));
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}
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