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100 lines
1.9 KiB
C
100 lines
1.9 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini chmod implementation for busybox
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*
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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*
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* Reworked by (C) 2002 Vladimir Oleynik <dzo@simtreas.ru>
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* to correctly parse '-rwxgoa'
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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/* BB_AUDIT SUSv3 compliant */
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/* BB_AUDIT GNU defects - unsupported options -c, -f, -v, and long options. */
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/* http://www.opengroup.org/onlinepubs/007904975/utilities/chmod.html */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#include "busybox.h"
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static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
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{
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if (!bb_parse_mode((char *)junk, &(statbuf->st_mode)))
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bb_error_msg_and_die( "invalid mode: %s", (char *)junk);
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if (chmod(fileName, statbuf->st_mode) == 0)
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return (TRUE);
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bb_perror_msg("%s", fileName); /* Avoid multibyte problems. */
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return (FALSE);
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}
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int chmod_main(int ATTRIBUTE_UNUSED argc, char **argv)
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{
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int retval = EXIT_SUCCESS;
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int recursiveFlag = FALSE;
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int count;
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char *smode;
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char **p;
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char *p0;
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char opt = '-';
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++argv;
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count = 0;
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for (p = argv ; *p ; p++) {
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p0 = p[0];
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if (p0[0] == opt) {
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if ((p0[1] == '-') && !p0[2]) {
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opt = 0; /* Disable further option processing. */
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continue;
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}
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if (p0[1] == 'R') {
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char *s = p0 + 2;
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while (*s == 'R') {
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++s;
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}
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if (*s) {
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bb_show_usage();
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}
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recursiveFlag = TRUE;
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continue;
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}
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if (count) {
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bb_show_usage();
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}
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}
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argv[count] = p0;
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++count;
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}
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argv[count] = NULL;
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if (count < 2) {
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bb_show_usage();
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}
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smode = *argv;
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++argv;
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/* Ok, ready to do the deed now */
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do {
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if (! recursive_action (*argv, recursiveFlag, TRUE, FALSE,
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fileAction, fileAction, smode)) {
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retval = EXIT_FAILURE;
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}
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} while (*++argv);
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return retval;
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}
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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