+/* vi: set sw=4 ts=4: */
/*
* Mini chgrp implementation for busybox
*
- * Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
-
-#include "internal.h"
-#include <grp.h>
-#include <stdio.h>
-
-const char chgrp_usage[] = "chgrp [OPTION]... GROUP FILE...\n"
- "Change the group membership of each FILE to GROUP.\n"
- "\n\tOptions:\n" "\t-R\tchange files and directories recursively\n";
-
+//config:config CHGRP
+//config: bool "chgrp (7.2 kb)"
+//config: default y
+//config: help
+//config: chgrp is used to change the group ownership of files.
+
+//applet:IF_CHGRP(APPLET_NOEXEC(chgrp, chgrp, BB_DIR_BIN, BB_SUID_DROP, chgrp))
+
+//kbuild:lib-$(CONFIG_CHGRP) += chgrp.o chown.o
+
+/* BB_AUDIT SUSv3 defects - none? */
+/* BB_AUDIT GNU defects - unsupported long options. */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/chgrp.html */
+
+//usage:#define chgrp_trivial_usage
+//usage: "[-RhLHP"IF_DESKTOP("cvf")"]... GROUP FILE..."
+//usage:#define chgrp_full_usage "\n\n"
+//usage: "Change the group membership of each FILE to GROUP\n"
+//usage: "\n -R Recurse"
+//usage: "\n -h Affect symlinks instead of symlink targets"
+//usage: "\n -L Traverse all symlinks to directories"
+//usage: "\n -H Traverse symlinks on command line only"
+//usage: "\n -P Don't traverse symlinks (default)"
+//usage: IF_DESKTOP(
+//usage: "\n -c List changed files"
+//usage: "\n -v Verbose"
+//usage: "\n -f Hide errors"
+//usage: )
+//usage:
+//usage:#define chgrp_example_usage
+//usage: "$ ls -l /tmp/foo\n"
+//usage: "-r--r--r-- 1 andersen andersen 0 Apr 12 18:25 /tmp/foo\n"
+//usage: "$ chgrp root /tmp/foo\n"
+//usage: "$ ls -l /tmp/foo\n"
+//usage: "-r--r--r-- 1 andersen root 0 Apr 12 18:25 /tmp/foo\n"
+
+#include "libbb.h"
+
+/* This is a NOEXEC applet. Be very careful! */
+
+
+int chgrp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int chgrp_main(int argc, char **argv)
{
- const char *cp;
- int gid;
- struct group *grp;
- struct stat statBuf;
-
- if (argc < 2) {
- fprintf(stderr, "Usage: %s %s", *argv, chgrp_usage);
- return 1;
- }
- argc--;
- argv++;
-
- cp = argv[1];
- if (isDecimal(*cp)) {
- gid = 0;
- while (isDecimal(*cp))
- gid = gid * 10 + (*cp++ - '0');
- if (*cp) {
- fprintf(stderr, "Bad gid value\n");
- return -1;
- }
- } else {
- grp = getgrnam(cp);
- if (grp == NULL) {
- fprintf(stderr, "Unknown group name\n");
- return -1;
- }
- gid = grp->gr_gid;
- }
- argc--;
- argv++;
- while (argc-- > 1) {
- argv++;
- if ((stat(*argv, &statBuf) < 0) ||
- (chown(*argv, statBuf.st_uid, gid) < 0)) {
- perror(*argv);
+ /* "chgrp [opts] abc file(s)" == "chown [opts] :abc file(s)" */
+ char **p = argv;
+ while (*++p) {
+ if (p[0][0] != '-') {
+ p[0] = xasprintf(":%s", p[0]);
+ break;
+ }
}
- }
- return 1;
+ return chown_main(argc, argv);
}
-
-
-
-
-
-
-
-
-
-#if 0
-int
-recursive(const char *fileName, BOOL followLinks, const char *pattern,
- int (*fileAction) (const char *fileName,
- const struct stat * statbuf),
- int (*dirAction) (const char *fileName,
- const struct stat * statbuf))
-
-#endif