home *** CD-ROM | disk | FTP | other *** search
- /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
- /*
- ** 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>
-
- #ifndef XP_OS2
- #include <grp.h>
- #include <pwd.h>
- #endif
-
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-
- #ifndef XP_OS2
- #include <unistd.h>
- #include <utime.h>
- #endif
-
- #include <sys/types.h>
- #include <sys/stat.h>
- #include "pathsub.h"
-
- #ifdef NEED_GETOPT_H
- #include <getopt.h>
- #endif
-
- #ifdef XP_OS2
- #include <dirent.h>
- #include <direct.h>
- #include <io.h>
- #include <sys\utime.h>
- #include <sys\types.h>
- #include "getopt.h" /*yes... we had to build this...*/
- #endif
-
- #ifdef SUNOS4
- #include "sunos4.h"
- #endif
-
- #ifdef NEED_S_ISLNK
- #if !defined(S_ISLNK) && defined(S_IFLNK)
- #define S_ISLNK(a) (((a) & S_IFMT) == S_IFLNK)
- #endif
- #endif
-
- #ifdef NEED_FCHMOD_PROTO
- extern int fchmod(int fildes, mode_t mode);
- #endif
-
- #ifdef XP_OS2
- /*Note: OS/2 has no concept of users or groups, or symbolic links...*/
- #define lstat stat
- /*looks reasonably safe based on OS/2's stat.h...*/
- #define S_ISLNK(mode) 0 /*no way in hell on a file system that doesn't support it*/
- typedef unsigned short mode_t;
- typedef unsigned short uid_t;
- typedef unsigned short gid_t;
- #define mkdir(path, mode) mkdir(path)
- #define W_OK 1
- #define touid(spam) 0
- #define togid(spam) 0
- #define access(spam, spam2) 0
- #define chown(spam1, spam2, spam3) 0
- #define lchown(spam1, spam2, spam3) 0
- #define fchown(spam1, spam2, spam3) 0
- #define readlink(spam1, spam2, spam3) -1
- #define symlink(spam1, spam2) -1
- unsigned long _System DosSetFileSize(int, int);
- #define ftruncate(spam1, spam2) DosSetFileSize(spam1, spam2)
- #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, strlen(program), "");
- exit(2);
- }
-
- static int
- mkdirs(char *path, mode_t mode)
- {
- char *cp;
- struct stat sb;
-
- while (*path == '/' && path[1] == '/')
- path++;
- while ((cp = strrchr(path, '/')) && cp[1] == '\0')
- *cp = '\0';
- if (cp && cp != path) {
- *cp = '\0';
- if ((lstat(path, &sb) < 0 || !S_ISDIR(sb.st_mode)) &&
- mkdirs(path, mode) < 0) {
- return -1;
- }
- *cp = '/';
- }
- return mkdir(path, mode);
- }
-
- #ifndef XP_OS2
- 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;
- }
- #endif
-
- 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':
- #ifdef XP_OS2
- /* treat like -t since no symbolic links on OS2 */
- dotimes = 1;
- #else
- dolink = dorelsymlink = 1;
- #endif
- 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)
- #ifdef RHAPSODY
- {
- cwd = malloc(PATH_MAX + 1);
- cwd = getcwd(cwd, PATH_MAX);
- }
- #else
- cwd = getcwd(0, PATH_MAX);
- #endif
- xchdir(todir);
- #ifdef RHAPSODY
- todir = malloc(PATH_MAX + 1);
- todir = getcwd(todir, PATH_MAX);
- #else
- todir = getcwd(0, PATH_MAX);
- #endif
- tdlen = strlen(todir);
- xchdir(cwd);
- tdlen = strlen(todir);
-
- uid = owner ? touid(owner) : -1;
- gid = group ? togid(group) : -1;
-
- while (--argc > 0) {
- name = *argv++;
- len = strlen(name);
- base = xbasename(name);
- bnlen = strlen(base);
- toname = xmalloc(tdlen + 1 + bnlen + 1);
- sprintf(toname, "%s/%s", todir, 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 (*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(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, 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. */
- #ifdef XP_OS2_FIX
- fromfd = open(name, O_RDONLY | O_BINARY);
- #else
- fromfd = open(name, O_RDONLY);
- #endif
- if (fromfd < 0 || fstat(fromfd, &sb) < 0)
- fail("cannot access %s", name);
- if (exists && (!S_ISREG(tosb.st_mode) || access(toname, W_OK) < 0))
- (void) (S_ISDIR(tosb.st_mode) ? rmdir : unlink)(toname);
- #ifdef XP_OS2
- chmod(toname, S_IREAD | S_IWRITE);
- #endif
- #ifdef XP_OS2_FIX
- tofd = open(toname, O_CREAT | O_WRONLY | O_BINARY, 0666);
- #else
- tofd = open(toname, O_CREAT | O_WRONLY, 0666);
- #endif
- if (tofd < 0)
- fail("cannot create %s", toname);
-
- bp = buf;
- while ((cc = read(fromfd, bp, sizeof buf)) > 0) {
- while ((wc = write(tofd, bp, 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);
- #ifndef XP_OS2
- if (dotimes) {
- utb.actime = sb.st_atime;
- utb.modtime = sb.st_mtime;
- if (utime(toname, &utb) < 0)
- fail("cannot set times of %s", toname);
- }
- if (fchmod(tofd, mode) < 0)
- 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);
- #ifdef XP_OS2
- if (dotimes) {
- utb.actime = sb.st_atime;
- utb.modtime = sb.st_mtime;
- if (utime(toname, &utb) < 0)
- fail("cannot set times of %s", toname);
- }
- if (chmod(toname, (mode & (S_IREAD | S_IWRITE))) < 0)
- fail("cannot change mode of %s", toname);
- #endif
- }
-
- free(toname);
- }
-
- free(cwd);
- free(todir);
- return 0;
- }
-