+/* vi: set sw=4 ts=4: */
/*
- * Mini chown/chgrp implementation for busybox
+ * Mini chown/chmod/chgrp implementation for busybox
*
- * Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
+ *
+ * Copyright (C) 1999,2000,2001 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <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
*/
#include <stdio.h>
-#include <grp.h>
-#include <pwd.h>
-#include "internal.h"
-
-
-static int uid=-1;
-static int gid=0;
-static int chownApp;
-static char* invocationName=NULL;
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "busybox.h"
+/* Don't use lchown for libc5 or glibc older then 2.1.x */
+#if (__GLIBC__ <= 2) && (__GLIBC_MINOR__ < 1)
+#define lchown chown
+#endif
-static const char chgrp_usage[] = "[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";
-static const char chown_usage[] = "[OPTION]... OWNER[.[GROUP] FILE...\n"
- "Change the owner and/or group of each FILE to OWNER and/or GROUP.\n"
- "\n\tOptions:\n" "\t-R\tchange files and directories recursively\n";
+static long uid = -1;
+static long gid = -1;
-
-
-static int fileAction(const char *fileName)
+static int fileAction(const char *fileName, struct stat *statbuf, void* junk)
{
- struct stat statBuf;
- if ((stat(fileName, &statBuf) < 0) ||
- (chown(fileName,
- ((chownApp==TRUE)? uid: statBuf.st_uid),
- gid) < 0)) {
+ if (lchown(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) {
+ return (TRUE);
+ }
perror(fileName);
- return( TRUE);
- }
- return( FALSE);
+ return (FALSE);
}
int chown_main(int argc, char **argv)
{
- struct group *grp;
- struct passwd *pwd;
- int recursiveFlag=FALSE;
- char *groupName;
+ int opt;
+ int recursiveFlag = FALSE;
+ char *groupName=NULL;
+ char *p=NULL;
+ /* do normal option parsing */
+ while ((opt = getopt(argc, argv, "R")) > 0) {
+ switch (opt) {
+ case 'R':
+ recursiveFlag = TRUE;
+ default:
+ show_usage();
+ }
+ }
- chownApp = (strcmp(*argv, "chown")==0)? TRUE : FALSE;
-
- if (argc < 2) {
- fprintf(stderr, "Usage: %s %s", *argv,
- (chownApp==TRUE)? chown_usage : chgrp_usage);
- return( FALSE);
- }
- invocationName=*argv;
- argc--;
- argv++;
-
- /* Parse options */
- while (**argv == '-') {
- while (*++(*argv)) switch (**argv) {
- case 'R':
- recursiveFlag = TRUE;
- break;
- default:
- fprintf(stderr, "Unknown option: %c\n", **argv);
- return( FALSE);
+ if (argc > optind && argc > 2 && argv[optind]) {
+ /* First, check if there is a group name here */
+ groupName = strchr(argv[optind], '.');
+ if (groupName == NULL)
+ groupName = strchr(argv[optind], ':');
+ if (groupName) {
+ *groupName++ = '\0';
+ gid = strtoul(groupName, &p, 10);
+ if (groupName == p)
+ gid = my_getgrnam(groupName);
+ } else {
+ gid = -1;
+ }
+ /* Now check for the username */
+ uid = strtoul(argv[optind], &p, 10); /* Is is numeric? */
+ if (argv[optind] == p) {
+ uid = my_getpwnam(argv[optind]);
+ }
+ } else {
+ error_msg_and_die(too_few_args);
}
- argc--;
- argv++;
- }
-
- /* Find the selected group */
- groupName = strchr(*argv, '.');
- if ( chownApp==TRUE && groupName )
- *groupName++ = '\0';
- else
- groupName = *argv;
- grp = getgrnam(groupName);
- if (grp == NULL) {
- fprintf(stderr, "%s: Unknown group name: %s\n", invocationName, groupName);
- return( FALSE);
- }
- gid = grp->gr_gid;
- /* Find the selected user (if appropriate) */
- if (chownApp==TRUE) {
- pwd = getpwnam(*argv);
- if (pwd == NULL) {
- fprintf(stderr, "%s: Unknown user name: %s\n", invocationName, *argv);
- return( FALSE);
+ /* Ok, ready to do the deed now */
+ while (optind++ < argc) {
+ if (recursive_action (argv[optind], recursiveFlag, FALSE, FALSE,
+ fileAction, fileAction, NULL) == FALSE) {
+ return EXIT_FAILURE;
+ }
}
- uid = pwd->pw_uid;
- }
+ return EXIT_SUCCESS;
- /* Ok, ready to do the deed now */
- if (argc <= 1) {
- fprintf(stderr, "%s: too few arguments", invocationName);
- return( FALSE);
- }
- while (argc-- > 1) {
- argv++;
- if (recursiveFlag==TRUE)
- recursiveAction( *argv, TRUE, fileAction, fileAction);
- else
- fileAction( *argv);
- }
- return(TRUE);
}
+
+/*
+Local Variables:
+c-file-style: "linux"
+c-basic-offset: 4
+tab-width: 4
+End:
+*/