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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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/* ***** BEGIN LICENSE BLOCK ***** |
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
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* |
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* The contents of this file are subject to the Mozilla Public License Version |
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* 1.1 (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* http://www.mozilla.org/MPL/ |
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* |
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* Software distributed under the License is distributed on an "AS IS" basis, |
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
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* for the specific language governing rights and limitations under the |
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* License. |
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* |
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* The Original Code is mozilla.org code. |
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* |
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* The Initial Developer of the Original Code is |
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* Netscape Communications Corporation. |
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* Portions created by the Initial Developer are Copyright (C) 1998 |
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* the Initial Developer. All Rights Reserved. |
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* |
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* Contributor(s): |
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* |
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* Alternatively, the contents of this file may be used under the terms of |
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* either of the GNU General Public License Version 2 or later (the "GPL"), |
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
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* in which case the provisions of the GPL or the LGPL are applicable instead |
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* of those above. If you wish to allow use of your version of this file only |
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* under the terms of either the GPL or the LGPL, and not to allow others to |
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* use your version of this file under the terms of the MPL, indicate your |
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* decision by deleting the provisions above and replace them with the notice |
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* and other provisions required by the GPL or the LGPL. If you do not delete |
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* the provisions above, a recipient may use your version of this file under |
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* the terms of any one of the MPL, the GPL or the LGPL. |
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* |
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* ***** END LICENSE BLOCK ***** */ |
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/* |
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** Netscape portable install command. |
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** |
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** Brendan Eich, 7/20/95 |
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*/ |
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#include <stdio.h> /* OSF/1 requires this before grp.h, so put it first */ |
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#include <assert.h> |
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#include <fcntl.h> |
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#include <errno.h> |
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#include <dirent.h> |
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#include <limits.h> |
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#include <grp.h> |
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#include <pwd.h> |
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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 <utime.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include "pathsub.h" |
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|
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#ifdef HAVE_GETOPT_H |
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#include <getopt.h> |
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#endif |
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|
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#ifdef SUNOS4 |
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#include "sunos4.h" |
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#endif |
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|
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#ifdef NEXTSTEP |
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#include <bsd/libc.h> |
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#endif |
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|
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#ifdef __QNX__ |
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#include <unix.h> |
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#endif |
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|
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#ifdef NEED_S_ISLNK |
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#if !defined(S_ISLNK) && defined(S_IFLNK) |
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#define S_ISLNK(a) (((a) & S_IFMT) == S_IFLNK) |
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#endif |
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#endif |
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|
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#ifndef _DIRECTORY_SEPARATOR |
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#define _DIRECTORY_SEPARATOR "/" |
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#endif /* _DIRECTORY_SEPARATOR */ |
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|
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#ifdef NEED_FCHMOD_PROTO |
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extern int fchmod(int fildes, mode_t mode); |
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#endif |
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|
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static void |
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usage(void) |
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{ |
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fprintf(stderr, |
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"usage: %s [-C cwd] [-L linkprefix] [-m mode] [-o owner] [-g group]\n" |
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" %*s [-DdltR] file [file ...] directory\n", |
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program, (int) strlen(program), ""); |
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exit(2); |
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} |
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|
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static int |
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mkdirs(char *path, mode_t mode) |
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{ |
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char *cp; |
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struct stat sb; |
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int res; |
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int l; |
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|
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/* strip trailing "/." */ |
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l = strlen(path); |
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if(l > 1 && path[l - 1] == '.' && path[l - 2] == '/') |
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path[l - 2] = 0; |
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|
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while (*path == '/' && path[1] == '/') |
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path++; |
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for (cp = strrchr(path, '/'); cp && cp != path && *(cp - 1) == '/'; cp--); |
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if (cp && cp != path) { |
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*cp = '\0'; |
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if ((lstat(path, &sb) < 0 || !S_ISDIR(sb.st_mode)) && |
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mkdirs(path, mode) < 0) { |
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return -1; |
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} |
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*cp = '/'; |
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} |
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|
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res = mkdir(path, mode); |
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if ((res != 0) && (errno == EEXIST)) |
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return 0; |
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else |
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return res; |
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} |
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|
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static uid_t |
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touid(char *owner) |
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{ |
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struct passwd *pw; |
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uid_t uid; |
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char *cp; |
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|
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pw = getpwnam(owner); |
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if (pw) |
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return pw->pw_uid; |
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uid = strtol(owner, &cp, 0); |
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if (uid == 0 && cp == owner) |
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fail("cannot find uid for %s", owner); |
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return uid; |
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} |
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|
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static gid_t |
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togid(char *group) |
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{ |
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struct group *gr; |
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gid_t gid; |
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char *cp; |
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|
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gr = getgrnam(group); |
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if (gr) |
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return gr->gr_gid; |
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gid = strtol(group, &cp, 0); |
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if (gid == 0 && cp == group) |
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fail("cannot find gid for %s", group); |
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return gid; |
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} |
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|
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static void |
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copyfile( char *name, char *toname, mode_t mode, char *group, char *owner, |
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int dotimes, uid_t uid, gid_t gid ) |
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{ |
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int fromfd, tofd = -1, cc, wc, exists; |
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char buf[BUFSIZ], *bp; |
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struct stat sb, tosb; |
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struct utimbuf utb; |
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|
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exists = (lstat(toname, &tosb) == 0); |
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|
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fromfd = open(name, O_RDONLY); |
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if (fromfd < 0 || fstat(fromfd, &sb) < 0) |
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fail("cannot access %s", name); |
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if (exists) { |
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if (S_ISREG(tosb.st_mode)) { |
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/* See if we can open it. This is more reliable than 'access'. */ |
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tofd = open(toname, O_CREAT | O_WRONLY, 0666); |
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} |
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if (tofd < 0) { |
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(void) (S_ISDIR(tosb.st_mode) ? rmdir : unlink)(toname); |
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} |
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} |
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if (tofd < 0) { |
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tofd = open(toname, O_CREAT | O_WRONLY, 0666); |
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if (tofd < 0) |
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fail("cannot create %s", toname); |
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} |
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|
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bp = buf; |
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while ((cc = read(fromfd, bp, sizeof buf)) > 0) |
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{ |
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while ((wc = write(tofd, bp, (unsigned int)cc)) > 0) |
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{ |
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if ((cc -= wc) == 0) |
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break; |
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bp += wc; |
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} |
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if (wc < 0) |
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fail("cannot write to %s", toname); |
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} |
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if (cc < 0) |
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fail("cannot read from %s", name); |
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|
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if (ftruncate(tofd, sb.st_size) < 0) |
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fail("cannot truncate %s", toname); |
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#if !defined(VMS) |
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if (dotimes) |
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{ |
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utb.actime = sb.st_atime; |
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utb.modtime = sb.st_mtime; |
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if (utime(toname, &utb) < 0) |
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fail("cannot set times of %s", toname); |
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} |
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#ifdef HAVE_FCHMOD |
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if (fchmod(tofd, mode) < 0) |
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#else |
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if (chmod(toname, mode) < 0) |
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#endif |
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fail("cannot change mode of %s", toname); |
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#endif |
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if ((owner || group) && fchown(tofd, uid, gid) < 0) |
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fail("cannot change owner of %s", toname); |
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|
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/* Must check for delayed (NFS) write errors on close. */ |
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if (close(tofd) < 0) |
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fail("cannot write to %s", toname); |
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close(fromfd); |
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#if defined(VMS) |
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if (chmod(toname, (mode & (S_IREAD | S_IWRITE))) < 0) |
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fail("cannot change mode of %s", toname); |
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if (dotimes) |
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{ |
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utb.actime = sb.st_atime; |
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utb.modtime = sb.st_mtime; |
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if (utime(toname, &utb) < 0) |
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fail("cannot set times of %s", toname); |
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} |
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#endif |
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} |
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|
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static void |
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copydir( char *from, char *to, mode_t mode, char *group, char *owner, |
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int dotimes, uid_t uid, gid_t gid) |
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{ |
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int i; |
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DIR *dir; |
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struct dirent *ep; |
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struct stat sb; |
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char *base, *destdir, *direntry, *destentry; |
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|
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base = xbasename(from); |
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|
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/* create destination directory */ |
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destdir = xmalloc((unsigned int)(strlen(to) + 1 + strlen(base) + 1)); |
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sprintf(destdir, "%s%s%s", to, _DIRECTORY_SEPARATOR, base); |
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if (mkdirs(destdir, mode) != 0) { |
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fail("cannot make directory %s\n", destdir); |
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return; |
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} |
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|
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dir = opendir(from); |
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|
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direntry = xmalloc((unsigned int)PATH_MAX); |
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destentry = xmalloc((unsigned int)PATH_MAX); |
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|
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while ((ep = readdir(dir))) |
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{ |
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if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) |
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continue; |
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|
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sprintf(direntry, "%s/%s", from, ep->d_name); |
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sprintf(destentry, "%s%s%s", destdir, _DIRECTORY_SEPARATOR, ep->d_name); |
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|
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if (stat(direntry, &sb) == 0 && S_ISDIR(sb.st_mode)) |
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copydir( direntry, destdir, mode, group, owner, dotimes, uid, gid ); |
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else |
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copyfile( direntry, destentry, mode, group, owner, dotimes, uid, gid ); |
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} |
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|
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free(direntry); |
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free(destentry); |
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closedir(dir); |
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} |
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|
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int |
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main(int argc, char **argv) |
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{ |
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int onlydir, dodir, dolink, dorelsymlink, dotimes, opt, len, lplen, tdlen, bnlen, exists, fromfd, tofd, cc, wc; |
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mode_t mode = 0755; |
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char *linkprefix, *owner, *group, *cp, *cwd, *todir, *toname, *name, *base, *linkname, *bp, buf[BUFSIZ]; |
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uid_t uid; |
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gid_t gid; |
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struct stat sb, tosb, fromsb; |
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struct utimbuf utb; |
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|
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program = argv[0]; |
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cwd = linkname = linkprefix = owner = group = 0; |
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onlydir = dodir = dolink = dorelsymlink = dotimes = lplen = 0; |
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|
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while ((opt = getopt(argc, argv, "C:DdlL:Rm:o:g:t")) != EOF) { |
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switch (opt) { |
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case 'C': |
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cwd = optarg; |
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break; |
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case 'D': |
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onlydir = 1; |
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break; |
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case 'd': |
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dodir = 1; |
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break; |
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case 'l': |
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dolink = 1; |
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break; |
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case 'L': |
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linkprefix = optarg; |
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lplen = strlen(linkprefix); |
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dolink = 1; |
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break; |
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case 'R': |
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dolink = dorelsymlink = 1; |
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break; |
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case 'm': |
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mode = strtoul(optarg, &cp, 8); |
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if (mode == 0 && cp == optarg) |
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usage(); |
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break; |
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case 'o': |
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owner = optarg; |
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break; |
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case 'g': |
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group = optarg; |
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break; |
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case 't': |
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dotimes = 1; |
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break; |
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default: |
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usage(); |
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} |
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} |
| 343 |
|
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argc -= optind; |
| 345 |
argv += optind; |
| 346 |
if (argc < 2 - onlydir) |
| 347 |
usage(); |
| 348 |
|
| 349 |
todir = argv[argc-1]; |
| 350 |
if ((stat(todir, &sb) < 0 || !S_ISDIR(sb.st_mode)) && |
| 351 |
mkdirs(todir, 0777) < 0) { |
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fail("cannot make directory %s", todir); |
| 353 |
} |
| 354 |
if (onlydir) |
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return 0; |
| 356 |
|
| 357 |
if (!cwd) { |
| 358 |
#ifndef NEEDS_GETCWD |
| 359 |
#ifndef GETCWD_CANT_MALLOC |
| 360 |
cwd = getcwd(0, PATH_MAX); |
| 361 |
#else |
| 362 |
cwd = malloc(PATH_MAX + 1); |
| 363 |
cwd = getcwd(cwd, PATH_MAX); |
| 364 |
#endif |
| 365 |
#else |
| 366 |
cwd = malloc(PATH_MAX + 1); |
| 367 |
cwd = getwd(cwd); |
| 368 |
#endif |
| 369 |
} |
| 370 |
|
| 371 |
xchdir(todir); |
| 372 |
#ifndef NEEDS_GETCWD |
| 373 |
#ifndef GETCWD_CANT_MALLOC |
| 374 |
todir = getcwd(0, PATH_MAX); |
| 375 |
#else |
| 376 |
todir = malloc(PATH_MAX + 1); |
| 377 |
todir = getcwd(todir, PATH_MAX); |
| 378 |
#endif |
| 379 |
#else |
| 380 |
todir = malloc(PATH_MAX + 1); |
| 381 |
todir = getwd(todir); |
| 382 |
#endif |
| 383 |
tdlen = strlen(todir); |
| 384 |
xchdir(cwd); |
| 385 |
tdlen = strlen(todir); |
| 386 |
|
| 387 |
uid = owner ? touid(owner) : (uid_t)(-1); |
| 388 |
gid = group ? togid(group) : (gid_t)(-1); |
| 389 |
|
| 390 |
while (--argc > 0) { |
| 391 |
name = *argv++; |
| 392 |
len = strlen(name); |
| 393 |
base = xbasename(name); |
| 394 |
bnlen = strlen(base); |
| 395 |
toname = xmalloc((unsigned int)(tdlen + 1 + bnlen + 1)); |
| 396 |
sprintf(toname, "%s%s%s", todir, _DIRECTORY_SEPARATOR, base); |
| 397 |
exists = (lstat(toname, &tosb) == 0); |
| 398 |
|
| 399 |
if (dodir) { |
| 400 |
/* -d means create a directory, always */ |
| 401 |
if (exists && !S_ISDIR(tosb.st_mode)) { |
| 402 |
(void) unlink(toname); |
| 403 |
exists = 0; |
| 404 |
} |
| 405 |
if (!exists && mkdir(toname, mode) < 0) |
| 406 |
fail("cannot make directory %s", toname); |
| 407 |
if ((owner || group) && chown(toname, uid, gid) < 0) |
| 408 |
fail("cannot change owner of %s", toname); |
| 409 |
} else if (dolink) { |
| 410 |
if (access(name, R_OK) != 0) { |
| 411 |
fail("cannot access %s", name); |
| 412 |
} |
| 413 |
if (*name == '/') { |
| 414 |
/* source is absolute pathname, link to it directly */ |
| 415 |
linkname = 0; |
| 416 |
} else { |
| 417 |
if (linkprefix) { |
| 418 |
/* -L implies -l and prefixes names with a $cwd arg. */ |
| 419 |
len += lplen + 1; |
| 420 |
linkname = xmalloc((unsigned int)(len + 1)); |
| 421 |
sprintf(linkname, "%s/%s", linkprefix, name); |
| 422 |
} else if (dorelsymlink) { |
| 423 |
/* Symlink the relative path from todir to source name. */ |
| 424 |
linkname = xmalloc(PATH_MAX); |
| 425 |
|
| 426 |
if (*todir == '/') { |
| 427 |
/* todir is absolute: skip over common prefix. */ |
| 428 |
lplen = relatepaths(todir, cwd, linkname); |
| 429 |
strcpy(linkname + lplen, name); |
| 430 |
} else { |
| 431 |
/* todir is named by a relative path: reverse it. */ |
| 432 |
reversepath(todir, name, len, linkname); |
| 433 |
xchdir(cwd); |
| 434 |
} |
| 435 |
|
| 436 |
len = strlen(linkname); |
| 437 |
} |
| 438 |
name = linkname; |
| 439 |
} |
| 440 |
|
| 441 |
/* Check for a pre-existing symlink with identical content. */ |
| 442 |
if ((exists && (!S_ISLNK(tosb.st_mode) || |
| 443 |
readlink(toname, buf, sizeof buf) != len || |
| 444 |
strncmp(buf, name, (unsigned int)len) != 0)) || |
| 445 |
((stat(name, &fromsb) == 0) && |
| 446 |
(fromsb.st_mtime > tosb.st_mtime))) { |
| 447 |
(void) (S_ISDIR(tosb.st_mode) ? rmdir : unlink)(toname); |
| 448 |
exists = 0; |
| 449 |
} |
| 450 |
if (!exists && symlink(name, toname) < 0) |
| 451 |
fail("cannot make symbolic link %s", toname); |
| 452 |
#ifdef HAVE_LCHOWN |
| 453 |
if ((owner || group) && lchown(toname, uid, gid) < 0) |
| 454 |
fail("cannot change owner of %s", toname); |
| 455 |
#endif |
| 456 |
|
| 457 |
if (linkname) { |
| 458 |
free(linkname); |
| 459 |
linkname = 0; |
| 460 |
} |
| 461 |
} else { |
| 462 |
/* Copy from name to toname, which might be the same file. */ |
| 463 |
if( stat(name, &sb) == 0 && S_IFDIR & sb.st_mode ) |
| 464 |
{ |
| 465 |
/* then is directory: must explicitly create destination dir */ |
| 466 |
/* and manually copy files over */ |
| 467 |
copydir( name, todir, mode, group, owner, dotimes, uid, gid ); |
| 468 |
} |
| 469 |
else |
| 470 |
{ |
| 471 |
copyfile(name, toname, mode, group, owner, dotimes, uid, gid); |
| 472 |
} |
| 473 |
} |
| 474 |
|
| 475 |
free(toname); |
| 476 |
} |
| 477 |
|
| 478 |
free(cwd); |
| 479 |
free(todir); |
| 480 |
return 0; |
| 481 |
} |
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