2 * Amanda, The Advanced Maryland Automatic Network Disk Archiver
3 * Copyright (c) 1991-1998 University of Maryland at College Park
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of U.M. not be used in advertising or
11 * publicity pertaining to distribution of the software without specific,
12 * written prior permission. U.M. makes no representations about the
13 * suitability of this software for any purpose. It is provided "as is"
14 * without express or implied warranty.
16 * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
18 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
19 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
20 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
21 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 * Authors: the Amanda Development Team. Its members are listed in a
24 * file named AUTHORS, in the root directory of this distribution.
27 * $Id: runtar.c,v 1.24 2006/08/25 11:41:31 martinea Exp $
29 * runs GNUTAR program as root
31 * argv[0] is the runtar program name
32 * argv[1] is the config name or NOCONFIG
33 * argv[2] will be argv[0] of the gtar program
40 int main(int argc, char **argv);
54 if (argc > 1 && argv && argv[1] && g_str_equal(argv[1], "--version")) {
55 printf("runtar-%s\n", VERSION);
60 * Configure program for internationalization:
61 * 1) Only set the message locale for now.
62 * 2) Set textdomain for all amanda related programs to "amanda"
63 * We don't want to be forced to support dozens of message catalogs.
65 setlocale(LC_MESSAGES, "C");
73 /* Don't die when child closes pipe */
74 signal(SIGPIPE, SIG_IGN);
76 dbopen(DBG_SUBDIR_CLIENT);
77 config_init(CONFIG_INIT_CLIENT, NULL);
80 error(_("Need at least 3 arguments\n"));
84 dbprintf(_("version %s\n"), VERSION);
86 if (strcmp(argv[3], "--create") != 0) {
87 error(_("Can only be used to create tar archives\n"));
93 g_fprintf(stderr,_("gnutar not available on this system.\n"));
94 dbprintf(_("%s: gnutar not available on this system.\n"), argv[0]);
101 * Print out version information for tar.
105 char version_buf[80];
107 if ((version_file = popen(GNUTAR " --version 2>&1", "r")) != NULL) {
108 if (fgets(version_buf, (int)sizeof(version_buf), version_file) != NULL) {
109 dbprintf(_(GNUTAR " version: %s\n"), version_buf);
111 if (ferror(version_file)) {
112 dbprintf(_(GNUTAR " version: Read failure: %s\n"), strerror(errno));
114 dbprintf(_(GNUTAR " version: Read failure; EOF\n"));
118 dbprintf(_(GNUTAR " version: unavailable: %s\n"), strerror(errno));
122 #ifdef WANT_SETUID_CLIENT
123 check_running_as(RUNNING_AS_CLIENT_LOGIN | RUNNING_AS_UID_ONLY);
124 if (!become_root()) {
125 error(_("error [%s could not become root (is the setuid bit set?)]\n"), get_pname());
129 check_running_as(RUNNING_AS_CLIENT_LOGIN);
136 dbprintf(_("config: %s\n"), argv[0]);
137 if (strcmp(argv[0], "NOCONFIG") != 0)
138 dbrename(argv[0], DBG_SUBDIR_CLIENT);
142 cmdline = stralloc(GNUTAR);
143 for (i = 1; argv[i]; i++) {
146 quoted = quote_string(argv[i]);
147 cmdline = vstrextend(&cmdline, " ", quoted, NULL);
150 dbprintf(_("running: %s\n"), cmdline);
159 execve(GNUTAR, argv, safe_env());
162 dbreopen(dbf, "more");
164 dbprintf(_("execve of %s failed (%s)\n"), GNUTAR, e);
167 g_fprintf(stderr, _("runtar: could not exec %s: %s\n"), GNUTAR, e);