mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
603 lines
14 KiB
C
603 lines
14 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* ***** 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 the Netscape Portable Runtime (NSPR).
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998-2000
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either 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 <grp.h>
|
|
#include <pwd.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <utime.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#include <stdarg.h>
|
|
#ifdef USE_REENTRANT_LIBC
|
|
#include "libc_r.h"
|
|
#endif /* USE_REENTRANT_LIBC */
|
|
|
|
#include "pathsub.h"
|
|
|
|
#define HAVE_FCHMOD
|
|
|
|
#if defined(BEOS)
|
|
#undef HAVE_FCHMOD
|
|
#endif
|
|
|
|
/*
|
|
* Does getcwd() take NULL as the first argument and malloc
|
|
* the result buffer?
|
|
*/
|
|
#if !defined(DARWIN) && !defined(NEXTSTEP) && !defined(VMS)
|
|
#define GETCWD_CAN_MALLOC
|
|
#endif
|
|
|
|
#ifdef NEXTSTEP
|
|
#include <bsd/libc.h>
|
|
|
|
/*
|
|
** balazs.pataki@sztaki.hu: The getcwd is broken in NEXTSTEP (returns 0),
|
|
** when called on a mounted fs. Did anyone notice this? Here's an ugly
|
|
** workaround ...
|
|
*/
|
|
#define getcwd(b,s) my_getcwd(b,s)
|
|
|
|
static char *
|
|
my_getcwd (char *buf, size_t size)
|
|
{
|
|
FILE *pwd = popen("pwd", "r");
|
|
char *result = fgets(buf, size, pwd);
|
|
|
|
if (result) {
|
|
buf[strlen(buf)-1] = '\0';
|
|
}
|
|
pclose (pwd);
|
|
return buf;
|
|
}
|
|
#endif /* NEXTSTEP */
|
|
|
|
#if defined(LINUX) || defined(__GNU__) || defined(__GLIBC__)
|
|
#include <getopt.h>
|
|
#endif
|
|
|
|
#if defined(SCO) || defined(UNIXWARE) || defined(SNI) || defined(NCR) || defined(NEC) || defined(NEXTSTEP)
|
|
#if !defined(S_ISLNK) && defined(S_IFLNK)
|
|
#define S_ISLNK(a) (((a) & S_IFMT) == S_IFLNK)
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(SNI)
|
|
extern int fchmod(int fildes, mode_t mode);
|
|
#endif
|
|
|
|
#ifdef QNX
|
|
#define d_ino d_stat.st_ino
|
|
#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;
|
|
|
|
while (*path == '/' && path[1] == '/')
|
|
path++;
|
|
for (cp = strrchr(path, '/'); cp && cp != path && cp[-1] == '/'; cp--)
|
|
;
|
|
if (cp && cp != path) {
|
|
*cp = '\0';
|
|
if ((stat(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;
|
|
}
|
|
|
|
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;
|
|
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) {
|
|
#ifdef GETCWD_CAN_MALLOC
|
|
cwd = getcwd(0, PATH_MAX);
|
|
#else
|
|
cwd = malloc(PATH_MAX + 1);
|
|
cwd = getcwd(cwd, PATH_MAX);
|
|
#endif
|
|
}
|
|
xchdir(todir);
|
|
#ifdef GETCWD_CAN_MALLOC
|
|
todir = getcwd(0, PATH_MAX);
|
|
#else
|
|
todir = malloc(PATH_MAX + 1);
|
|
todir = getcwd(todir, 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 = (char*)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 = (char*)xmalloc(len + 1);
|
|
sprintf(linkname, "%s/%s", linkprefix, name);
|
|
} else if (dorelsymlink) {
|
|
/* Symlink the relative path from todir to source name. */
|
|
linkname = (char*)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)) {
|
|
(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. */
|
|
fromfd = open(name, O_RDONLY);
|
|
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);
|
|
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, 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);
|
|
/*
|
|
** On OpenVMS we can't chmod() until the file is closed, and we
|
|
** have to utime() last since fchown/chmod alter the timestamps.
|
|
*/
|
|
#ifndef 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);
|
|
#ifdef VMS
|
|
if (chmod(toname, mode) < 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
|
|
}
|
|
|
|
free(toname);
|
|
}
|
|
|
|
free(cwd);
|
|
free(todir);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** Pathname subroutines.
|
|
**
|
|
** Brendan Eich, 8/29/95
|
|
*/
|
|
|
|
char *program;
|
|
|
|
void
|
|
fail(char *format, ...)
|
|
{
|
|
int error;
|
|
va_list ap;
|
|
|
|
#ifdef USE_REENTRANT_LIBC
|
|
R_STRERROR_INIT_R();
|
|
#endif
|
|
|
|
error = errno;
|
|
fprintf(stderr, "%s: ", program);
|
|
va_start(ap, format);
|
|
vfprintf(stderr, format, ap);
|
|
va_end(ap);
|
|
if (error)
|
|
|
|
#ifdef USE_REENTRANT_LIBC
|
|
R_STRERROR_R(errno);
|
|
fprintf(stderr, ": %s", r_strerror_r);
|
|
#else
|
|
fprintf(stderr, ": %s", strerror(errno));
|
|
#endif
|
|
|
|
putc('\n', stderr);
|
|
exit(1);
|
|
}
|
|
|
|
char *
|
|
getcomponent(char *path, char *name)
|
|
{
|
|
if (*path == '\0')
|
|
return 0;
|
|
if (*path == '/') {
|
|
*name++ = '/';
|
|
} else {
|
|
do {
|
|
*name++ = *path++;
|
|
} while (*path != '/' && *path != '\0');
|
|
}
|
|
*name = '\0';
|
|
while (*path == '/')
|
|
path++;
|
|
return path;
|
|
}
|
|
|
|
#ifdef UNIXWARE_READDIR_BUFFER_TOO_SMALL
|
|
/* Sigh. The static buffer in Unixware's readdir is too small. */
|
|
struct dirent * readdir(DIR *d)
|
|
{
|
|
static struct dirent *buf = NULL;
|
|
#define MAX_PATH_LEN 1024
|
|
|
|
|
|
if(buf == NULL)
|
|
buf = (struct dirent *) malloc(sizeof(struct dirent) + MAX_PATH_LEN)
|
|
;
|
|
return(readdir_r(d, buf));
|
|
}
|
|
#endif
|
|
|
|
char *
|
|
ino2name(ino_t ino, char *dir)
|
|
{
|
|
DIR *dp;
|
|
struct dirent *ep;
|
|
char *name;
|
|
|
|
dp = opendir("..");
|
|
if (!dp)
|
|
fail("cannot read parent directory");
|
|
for (;;) {
|
|
if (!(ep = readdir(dp)))
|
|
fail("cannot find current directory");
|
|
if (ep->d_ino == ino)
|
|
break;
|
|
}
|
|
name = xstrdup(ep->d_name);
|
|
closedir(dp);
|
|
return name;
|
|
}
|
|
|
|
void *
|
|
xmalloc(size_t size)
|
|
{
|
|
void *p = malloc(size);
|
|
if (!p)
|
|
fail("cannot allocate %u bytes", size);
|
|
return p;
|
|
}
|
|
|
|
char *
|
|
xstrdup(char *s)
|
|
{
|
|
return strcpy((char*)xmalloc(strlen(s) + 1), s);
|
|
}
|
|
|
|
char *
|
|
xbasename(char *path)
|
|
{
|
|
char *cp;
|
|
|
|
while ((cp = strrchr(path, '/')) && cp[1] == '\0')
|
|
*cp = '\0';
|
|
if (!cp) return path;
|
|
return cp + 1;
|
|
}
|
|
|
|
void
|
|
xchdir(char *dir)
|
|
{
|
|
if (chdir(dir) < 0)
|
|
fail("cannot change directory to %s", dir);
|
|
}
|
|
|
|
int
|
|
relatepaths(char *from, char *to, char *outpath)
|
|
{
|
|
char *cp, *cp2;
|
|
int len;
|
|
char buf[NAME_MAX];
|
|
|
|
assert(*from == '/' && *to == '/');
|
|
for (cp = to, cp2 = from; *cp == *cp2; cp++, cp2++)
|
|
if (*cp == '\0')
|
|
break;
|
|
while (cp[-1] != '/')
|
|
cp--, cp2--;
|
|
if (cp - 1 == to) {
|
|
/* closest common ancestor is /, so use full pathname */
|
|
len = strlen(strcpy(outpath, to));
|
|
if (outpath[len] != '/') {
|
|
outpath[len++] = '/';
|
|
outpath[len] = '\0';
|
|
}
|
|
} else {
|
|
len = 0;
|
|
while ((cp2 = getcomponent(cp2, buf)) != 0) {
|
|
strcpy(outpath + len, "../");
|
|
len += 3;
|
|
}
|
|
while ((cp = getcomponent(cp, buf)) != 0) {
|
|
sprintf(outpath + len, "%s/", buf);
|
|
len += strlen(outpath + len);
|
|
}
|
|
}
|
|
return len;
|
|
}
|
|
|
|
void
|
|
reversepath(char *inpath, char *name, int len, char *outpath)
|
|
{
|
|
char *cp, *cp2;
|
|
char buf[NAME_MAX];
|
|
struct stat sb;
|
|
|
|
cp = strcpy(outpath + PATH_MAX - (len + 1), name);
|
|
cp2 = inpath;
|
|
while ((cp2 = getcomponent(cp2, buf)) != 0) {
|
|
if (strcmp(buf, ".") == 0)
|
|
continue;
|
|
if (strcmp(buf, "..") == 0) {
|
|
if (stat(".", &sb) < 0)
|
|
fail("cannot stat current directory");
|
|
name = ino2name(sb.st_ino, "..");
|
|
len = strlen(name);
|
|
cp -= len + 1;
|
|
strcpy(cp, name);
|
|
cp[len] = '/';
|
|
free(name);
|
|
xchdir("..");
|
|
} else {
|
|
cp -= 3;
|
|
strncpy(cp, "../", 3);
|
|
xchdir(buf);
|
|
}
|
|
}
|
|
strcpy(outpath, cp);
|
|
}
|