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+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+/*
+** Netscape portable install command.
+**
+** Brendan Eich, 7/20/95
+*/
+#include <stdio.h> /* OSF/1 requires this before grp.h, so put it first */
+#include <assert.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <dirent.h>
+#include <limits.h>
+#include <grp.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <utime.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "pathsub.h"
+
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#endif
+
+#ifdef SUNOS4
+#include "sunos4.h"
+#endif
+
+#ifdef NEXTSTEP
+#include <bsd/libc.h>
+#endif
+
+#ifdef __QNX__
+#include <unix.h>
+#endif
+
+#ifdef NEED_S_ISLNK
+#if !defined(S_ISLNK) && defined(S_IFLNK)
+#define S_ISLNK(a) (((a) & S_IFMT) == S_IFLNK)
+#endif
+#endif
+
+#ifndef _DIRECTORY_SEPARATOR
+#define _DIRECTORY_SEPARATOR "/"
+#endif /* _DIRECTORY_SEPARATOR */
+
+#ifdef NEED_FCHMOD_PROTO
+extern int fchmod(int fildes, mode_t mode);
+#endif
+
+static void
+usage(void)
+{
+ fprintf(stderr,
+ "usage: %s [-C cwd] [-L linkprefix] [-m mode] [-o owner] [-g group]\n"
+ " %*s [-DdltR] file [file ...] directory\n",
+ program, (int) strlen(program), "");
+ exit(2);
+}
+
+static int
+mkdirs(char *path, mode_t mode)
+{
+ char *cp;
+ struct stat sb;
+ int res;
+ int l;
+
+ /* strip trailing "/." */
+ l = strlen(path);
+ if(l > 1 && path[l - 1] == '.' && path[l - 2] == '/')
+ path[l - 2] = 0;
+
+ while (*path == '/' && path[1] == '/')
+ path++;
+ for (cp = strrchr(path, '/'); cp && cp != path && *(cp - 1) == '/'; cp--);
+ if (cp && cp != path) {
+ *cp = '\0';
+ if ((lstat(path, &sb) < 0 || !S_ISDIR(sb.st_mode)) &&
+ mkdirs(path, mode) < 0) {
+ return -1;
+ }
+ *cp = '/';
+ }
+
+ res = mkdir(path, mode);
+ if ((res != 0) && (errno == EEXIST))
+ return 0;
+ else
+ return res;
+}
+
+static uid_t
+touid(char *owner)
+{
+ struct passwd *pw;
+ uid_t uid;
+ char *cp;
+
+ pw = getpwnam(owner);
+ if (pw)
+ return pw->pw_uid;
+ uid = strtol(owner, &cp, 0);
+ if (uid == 0 && cp == owner)
+ fail("cannot find uid for %s", owner);
+ return uid;
+}
+
+static gid_t
+togid(char *group)
+{
+ struct group *gr;
+ gid_t gid;
+ char *cp;
+
+ gr = getgrnam(group);
+ if (gr)
+ return gr->gr_gid;
+ gid = strtol(group, &cp, 0);
+ if (gid == 0 && cp == group)
+ fail("cannot find gid for %s", group);
+ return gid;
+}
+
+static void
+copyfile( char *name, char *toname, mode_t mode, char *group, char *owner,
+ int dotimes, uid_t uid, gid_t gid )
+{
+ int fromfd, tofd = -1, cc, wc, exists;
+ char buf[BUFSIZ], *bp;
+ struct stat sb, tosb;
+ struct utimbuf utb;
+
+ exists = (lstat(toname, &tosb) == 0);
+
+ fromfd = open(name, O_RDONLY);
+ if (fromfd < 0 || fstat(fromfd, &sb) < 0)
+ fail("cannot access %s", name);
+ if (exists) {
+ if (S_ISREG(tosb.st_mode)) {
+ /* See if we can open it. This is more reliable than 'access'. */
+ tofd = open(toname, O_CREAT | O_WRONLY, 0666);
+ }
+ if (tofd < 0) {
+ (void) (S_ISDIR(tosb.st_mode) ? rmdir : unlink)(toname);
+ }
+ }
+ if (tofd < 0) {
+ tofd = open(toname, O_CREAT | O_WRONLY, 0666);
+ if (tofd < 0)
+ fail("cannot create %s", toname);
+ }
+
+ bp = buf;
+ while ((cc = read(fromfd, bp, sizeof buf)) > 0)
+ {
+ while ((wc = write(tofd, bp, (unsigned int)cc)) > 0)
+ {
+ if ((cc -= wc) == 0)
+ break;
+ bp += wc;
+ }
+ if (wc < 0)
+ fail("cannot write to %s", toname);
+ }
+ if (cc < 0)
+ fail("cannot read from %s", name);
+
+ if (ftruncate(tofd, sb.st_size) < 0)
+ fail("cannot truncate %s", toname);
+#if !defined(VMS)
+ if (dotimes)
+ {
+ utb.actime = sb.st_atime;
+ utb.modtime = sb.st_mtime;
+ if (utime(toname, &utb) < 0)
+ fail("cannot set times of %s", toname);
+ }
+#ifdef HAVE_FCHMOD
+ if (fchmod(tofd, mode) < 0)
+#else
+ if (chmod(toname, mode) < 0)
+#endif
+ fail("cannot change mode of %s", toname);
+#endif
+ if ((owner || group) && fchown(tofd, uid, gid) < 0)
+ fail("cannot change owner of %s", toname);
+
+ /* Must check for delayed (NFS) write errors on close. */
+ if (close(tofd) < 0)
+ fail("cannot write to %s", toname);
+ close(fromfd);
+#if defined(VMS)
+ if (chmod(toname, (mode & (S_IREAD | S_IWRITE))) < 0)
+ fail("cannot change mode of %s", toname);
+ if (dotimes)
+ {
+ utb.actime = sb.st_atime;
+ utb.modtime = sb.st_mtime;
+ if (utime(toname, &utb) < 0)
+ fail("cannot set times of %s", toname);
+ }
+#endif
+}
+
+static void
+copydir( char *from, char *to, mode_t mode, char *group, char *owner,
+ int dotimes, uid_t uid, gid_t gid)
+{
+ int i;
+ DIR *dir;
+ struct dirent *ep;
+ struct stat sb;
+ char *base, *destdir, *direntry, *destentry;
+
+ base = xbasename(from);
+
+ /* create destination directory */
+ destdir = xmalloc((unsigned int)(strlen(to) + 1 + strlen(base) + 1));
+ sprintf(destdir, "%s%s%s", to, _DIRECTORY_SEPARATOR, base);
+ if (mkdirs(destdir, mode) != 0) {
+ fail("cannot make directory %s\n", destdir);
+ return;
+ }
+
+ dir = opendir(from);
+
+ direntry = xmalloc((unsigned int)PATH_MAX);
+ destentry = xmalloc((unsigned int)PATH_MAX);
+
+ while ((ep = readdir(dir)))
+ {
+ if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
+ continue;
+
+ sprintf(direntry, "%s/%s", from, ep->d_name);
+ sprintf(destentry, "%s%s%s", destdir, _DIRECTORY_SEPARATOR, ep->d_name);
+
+ if (stat(direntry, &sb) == 0 && S_ISDIR(sb.st_mode))
+ copydir( direntry, destdir, mode, group, owner, dotimes, uid, gid );
+ else
+ copyfile( direntry, destentry, mode, group, owner, dotimes, uid, gid );
+ }
+
+ free(direntry);
+ free(destentry);
+ closedir(dir);
+}
+
+int
+main(int argc, char **argv)
+{
+ int onlydir, dodir, dolink, dorelsymlink, dotimes, opt, len, lplen, tdlen, bnlen, exists, fromfd, tofd, cc, wc;
+ mode_t mode = 0755;
+ char *linkprefix, *owner, *group, *cp, *cwd, *todir, *toname, *name, *base, *linkname, *bp, buf[BUFSIZ];
+ uid_t uid;
+ gid_t gid;
+ struct stat sb, tosb, fromsb;
+ struct utimbuf utb;
+
+ program = argv[0];
+ cwd = linkname = linkprefix = owner = group = 0;
+ onlydir = dodir = dolink = dorelsymlink = dotimes = lplen = 0;
+
+ while ((opt = getopt(argc, argv, "C:DdlL:Rm:o:g:t")) != EOF) {
+ switch (opt) {
+ case 'C':
+ cwd = optarg;
+ break;
+ case 'D':
+ onlydir = 1;
+ break;
+ case 'd':
+ dodir = 1;
+ break;
+ case 'l':
+ dolink = 1;
+ break;
+ case 'L':
+ linkprefix = optarg;
+ lplen = strlen(linkprefix);
+ dolink = 1;
+ break;
+ case 'R':
+ dolink = dorelsymlink = 1;
+ break;
+ case 'm':
+ mode = strtoul(optarg, &cp, 8);
+ if (mode == 0 && cp == optarg)
+ usage();
+ break;
+ case 'o':
+ owner = optarg;
+ break;
+ case 'g':
+ group = optarg;
+ break;
+ case 't':
+ dotimes = 1;
+ break;
+ default:
+ usage();
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+ if (argc < 2 - onlydir)
+ usage();
+
+ todir = argv[argc-1];
+ if ((stat(todir, &sb) < 0 || !S_ISDIR(sb.st_mode)) &&
+ mkdirs(todir, 0777) < 0) {
+ fail("cannot make directory %s", todir);
+ }
+ if (onlydir)
+ return 0;
+
+ if (!cwd) {
+#ifndef NEEDS_GETCWD
+#ifndef GETCWD_CANT_MALLOC
+ cwd = getcwd(0, PATH_MAX);
+#else
+ cwd = malloc(PATH_MAX + 1);
+ cwd = getcwd(cwd, PATH_MAX);
+#endif
+#else
+ cwd = malloc(PATH_MAX + 1);
+ cwd = getwd(cwd);
+#endif
+ }
+
+ xchdir(todir);
+#ifndef NEEDS_GETCWD
+#ifndef GETCWD_CANT_MALLOC
+ todir = getcwd(0, PATH_MAX);
+#else
+ todir = malloc(PATH_MAX + 1);
+ todir = getcwd(todir, PATH_MAX);
+#endif
+#else
+ todir = malloc(PATH_MAX + 1);
+ todir = getwd(todir);
+#endif
+ tdlen = strlen(todir);
+ xchdir(cwd);
+ tdlen = strlen(todir);
+
+ uid = owner ? touid(owner) : (uid_t)(-1);
+ gid = group ? togid(group) : (gid_t)(-1);
+
+ while (--argc > 0) {
+ name = *argv++;
+ len = strlen(name);
+ base = xbasename(name);
+ bnlen = strlen(base);
+ toname = xmalloc((unsigned int)(tdlen + 1 + bnlen + 1));
+ sprintf(toname, "%s%s%s", todir, _DIRECTORY_SEPARATOR, base);
+ exists = (lstat(toname, &tosb) == 0);
+
+ if (dodir) {
+ /* -d means create a directory, always */
+ if (exists && !S_ISDIR(tosb.st_mode)) {
+ (void) unlink(toname);
+ exists = 0;
+ }
+ if (!exists && mkdir(toname, mode) < 0)
+ fail("cannot make directory %s", toname);
+ if ((owner || group) && chown(toname, uid, gid) < 0)
+ fail("cannot change owner of %s", toname);
+ } else if (dolink) {
+ if (access(name, R_OK) != 0) {
+ fail("cannot access %s", name);
+ }
+ if (*name == '/') {
+ /* source is absolute pathname, link to it directly */
+ linkname = 0;
+ } else {
+ if (linkprefix) {
+ /* -L implies -l and prefixes names with a $cwd arg. */
+ len += lplen + 1;
+ linkname = xmalloc((unsigned int)(len + 1));
+ sprintf(linkname, "%s/%s", linkprefix, name);
+ } else if (dorelsymlink) {
+ /* Symlink the relative path from todir to source name. */
+ linkname = xmalloc(PATH_MAX);
+
+ if (*todir == '/') {
+ /* todir is absolute: skip over common prefix. */
+ lplen = relatepaths(todir, cwd, linkname);
+ strcpy(linkname + lplen, name);
+ } else {
+ /* todir is named by a relative path: reverse it. */
+ reversepath(todir, name, len, linkname);
+ xchdir(cwd);
+ }
+
+ len = strlen(linkname);
+ }
+ name = linkname;
+ }
+
+ /* Check for a pre-existing symlink with identical content. */
+ if ((exists && (!S_ISLNK(tosb.st_mode) ||
+ readlink(toname, buf, sizeof buf) != len ||
+ strncmp(buf, name, (unsigned int)len) != 0)) ||
+ ((stat(name, &fromsb) == 0) &&
+ (fromsb.st_mtime > tosb.st_mtime))) {
+ (void) (S_ISDIR(tosb.st_mode) ? rmdir : unlink)(toname);
+ exists = 0;
+ }
+ if (!exists && symlink(name, toname) < 0)
+ fail("cannot make symbolic link %s", toname);
+#ifdef HAVE_LCHOWN
+ if ((owner || group) && lchown(toname, uid, gid) < 0)
+ fail("cannot change owner of %s", toname);
+#endif
+
+ if (linkname) {
+ free(linkname);
+ linkname = 0;
+ }
+ } else {
+ /* Copy from name to toname, which might be the same file. */
+ if( stat(name, &sb) == 0 && S_IFDIR & sb.st_mode )
+ {
+ /* then is directory: must explicitly create destination dir */
+ /* and manually copy files over */
+ copydir( name, todir, mode, group, owner, dotimes, uid, gid );
+ }
+ else
+ {
+ copyfile(name, toname, mode, group, owner, dotimes, uid, gid);
+ }
+ }
+
+ free(toname);
+ }
+
+ free(cwd);
+ free(todir);
+ return 0;
+}