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-rw-r--r--nsprpub/config/nsinstall.c525
1 files changed, 525 insertions, 0 deletions
diff --git a/nsprpub/config/nsinstall.c b/nsprpub/config/nsinstall.c
new file mode 100644
index 000000000..f1d2cff26
--- /dev/null
+++ b/nsprpub/config/nsinstall.c
@@ -0,0 +1,525 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+** 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)
+#define GETCWD_CAN_MALLOC
+#endif
+
+#if defined(LINUX) || defined(__GNU__) || defined(__GLIBC__)
+#include <getopt.h>
+#endif
+
+#if defined(SCO) || defined(UNIXWARE)
+#if !defined(S_ISLNK) && defined(S_IFLNK)
+#define S_ISLNK(a) (((a) & S_IFMT) == S_IFLNK)
+#endif
+#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
+ 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);
+ 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);
+ 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);
+ }
+
+ 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);
+}
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