/* vi: set sw=4 ts=4: */ /* * Mini chown implementation for busybox * * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen * Copyright (C) 1999,2000,2001 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 * */ #include <stdio.h> #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 long uid; static long gid; static int (*chown_func)(const char *, __uid_t, __gid_t) = chown; static int fileAction(const char *fileName, struct stat *statbuf, void* junk) { if (chown_func(fileName, uid, (gid == -1) ? statbuf->st_gid : gid) == 0) { return (TRUE); } perror(fileName); return (FALSE); } int chown_main(int argc, char **argv) { int opt; int recursiveFlag = FALSE, noderefFlag = FALSE; char *groupName=NULL; char *p=NULL; /* do normal option parsing */ while ((opt = getopt(argc, argv, "Rh")) > 0) { switch (opt) { case 'R': recursiveFlag = TRUE; break; case 'h': noderefFlag = TRUE; break; default: show_usage(); } } if (noderefFlag) chown_func = lchown; 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); } /* Ok, ready to do the deed now */ while (++optind < argc) { if (! recursive_action (argv[optind], recursiveFlag, FALSE, FALSE, fileAction, fileAction, NULL)) { return EXIT_FAILURE; } } return EXIT_SUCCESS; } /* Local Variables: c-file-style: "linux" c-basic-offset: 4 tab-width: 4 End: */