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-rw-r--r--bin/chmod/chmod.c201
1 files changed, 201 insertions, 0 deletions
diff --git a/bin/chmod/chmod.c b/bin/chmod/chmod.c
new file mode 100644
index 000000000000..f6251a35c222
--- /dev/null
+++ b/bin/chmod/chmod.c
@@ -0,0 +1,201 @@
+/*
+ * Copyright (c) 1989, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char copyright[] =
+"@(#) Copyright (c) 1989, 1993, 1994\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)chmod.c 8.8 (Berkeley) 4/1/94";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fts.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+void usage __P((void));
+
+int
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+ FTS *ftsp;
+ FTSENT *p;
+ mode_t *set;
+ long val;
+ int oct, omode;
+ int Hflag, Lflag, Pflag, Rflag, ch, fflag, fts_options, hflag, rval;
+ char *ep, *mode;
+
+ Hflag = Lflag = Pflag = Rflag = fflag = hflag = 0;
+ while ((ch = getopt(argc, argv, "HLPRXfgorstuwx")) != EOF)
+ switch (ch) {
+ case 'H':
+ Hflag = 1;
+ Lflag = Pflag = 0;
+ break;
+ case 'L':
+ Lflag = 1;
+ Hflag = Pflag = 0;
+ break;
+ case 'P':
+ Pflag = 1;
+ Hflag = Lflag = 0;
+ break;
+ case 'R':
+ Rflag = 1;
+ break;
+ case 'f': /* XXX: undocumented. */
+ fflag = 1;
+ break;
+ case 'h':
+ /*
+ * In System V (and probably POSIX.2) the -h option
+ * causes chmod to change the mode of the symbolic
+ * link. 4.4BSD's symbolic links don't have modes,
+ * so it's an undocumented noop. Do syntax checking,
+ * though.
+ */
+ hflag = 1;
+ break;
+ /*
+ * XXX
+ * "-[rwx]" are valid mode commands. If they are the entire
+ * argument, getopt has moved past them, so decrement optind.
+ * Regardless, we're done argument processing.
+ */
+ case 'g': case 'o': case 'r': case 's':
+ case 't': case 'u': case 'w': case 'X': case 'x':
+ if (argv[optind - 1][0] == '-' &&
+ argv[optind - 1][1] == ch &&
+ argv[optind - 1][2] == '\0')
+ --optind;
+ goto done;
+ case '?':
+ default:
+ usage();
+ }
+done: argv += optind;
+ argc -= optind;
+
+ if (argc < 2)
+ usage();
+
+ fts_options = FTS_PHYSICAL;
+ if (Rflag) {
+ if (hflag)
+ errx(1,
+ "the -R and -h options may not be specified together.");
+ if (Hflag)
+ fts_options |= FTS_COMFOLLOW;
+ if (Lflag) {
+ fts_options &= ~FTS_PHYSICAL;
+ fts_options |= FTS_LOGICAL;
+ }
+ }
+
+ mode = *argv;
+ if (*mode >= '0' && *mode <= '7') {
+ errno = 0;
+ val = strtol(mode, &ep, 8);
+ if (val > INT_MAX || val < 0)
+ errno = ERANGE;
+ if (errno)
+ err(1, "invalid file mode: %s", mode);
+ if (*ep)
+ errx(1, "invalid file mode: %s", mode);
+ omode = val;
+ oct = 1;
+ } else {
+ if ((set = setmode(mode)) == NULL)
+ errx(1, "invalid file mode: %s", mode);
+ oct = 0;
+ }
+
+ if ((ftsp = fts_open(++argv, fts_options, 0)) == NULL)
+ err(1, NULL);
+ for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
+ switch (p->fts_info) {
+ case FTS_D:
+ if (Rflag) /* Change it at FTS_DP. */
+ continue;
+ fts_set(ftsp, p, FTS_SKIP);
+ break;
+ case FTS_DNR: /* Warn, chmod, continue. */
+ warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
+ rval = 1;
+ break;
+ case FTS_ERR: /* Warn, continue. */
+ case FTS_NS:
+ warnx("%s: %s", p->fts_path, strerror(p->fts_errno));
+ rval = 1;
+ continue;
+ case FTS_SL: /* Ignore. */
+ case FTS_SLNONE:
+ /*
+ * The only symlinks that end up here are ones that
+ * don't point to anything and ones that we found
+ * doing a physical walk.
+ */
+ continue;
+ default:
+ break;
+ }
+ if (chmod(p->fts_accpath, oct ? omode :
+ getmode(set, p->fts_statp->st_mode)) && !fflag) {
+ warn(p->fts_path);
+ rval = 1;
+ }
+ }
+ if (errno)
+ err(1, "fts_read");
+ exit(rval);
+}
+
+void
+usage()
+{
+ (void)fprintf(stderr,
+ "usage: chmod [-R [-H | -L | -P]] mode file ...\n");
+ exit(1);
+}