* file named AUTHORS, in the root directory of this distribution.
*/
/*
- * $Id: runtar.c,v 1.11.4.2.6.1.2.3 2005/09/30 19:08:04 martinea Exp $
+ * $Id: runtar.c,v 1.24 2006/08/25 11:41:31 martinea Exp $
*
* runs GNUTAR program as root
+ *
+ * argv[0] is the runtar program name
+ * argv[1] is the config name or NOCONFIG
+ * argv[2] will be argv[0] of the gtar program
+ * ...
*/
#include "amanda.h"
#include "version.h"
+#include "util.h"
-int main P((int argc, char **argv));
+int main(int argc, char **argv);
-int main(argc, argv)
-int argc;
-char **argv;
+int
+main(
+ int argc,
+ char ** argv)
{
#ifdef GNUTAR
int i;
set_pname("runtar");
- dbopen();
- dbprintf(("%s: version %s\n", argv[0], version()));
+ /* Don't die when child closes pipe */
+ signal(SIGPIPE, SIG_IGN);
+
+ dbopen(DBG_SUBDIR_CLIENT);
+ if (argc < 3) {
+ error("%s: Need at least 3 arguments\n", debug_prefix(NULL));
+ /*NOTREACHED*/
+ }
+
+ dbprintf(("%s: version %s\n", debug_prefix(NULL), version()));
+
+ if (strcmp(argv[3], "--create") != 0) {
+ error("%s: Can only be used to create tar archives\n",
+ debug_prefix(NULL));
+ /*NOTREACHED*/
+ }
#ifndef GNUTAR
#else
+ /*
+ * Print out version information for tar.
+ */
+ do {
+ FILE * version_file;
+ char version_buf[80];
+
+ if ((version_file = popen(GNUTAR " --version 2>&1", "r")) != NULL) {
+ if (fgets(version_buf, (int)sizeof(version_buf), version_file) != NULL) {
+ dbprintf((GNUTAR " version: %s\n", version_buf));
+ } else {
+ if (ferror(version_file)) {
+ dbprintf((GNUTAR " version: Read failure: %s\n", strerror(errno)));
+ } else {
+ dbprintf((GNUTAR " version: Read failure; EOF\n"));
+ }
+ }
+ } else {
+ dbprintf((GNUTAR " version: unavailable: %s\n", strerror(errno)));
+ }
+ } while(0);
+
if(client_uid == (uid_t) -1) {
error("error [cannot find user %s in passwd file]\n", CLIENT_LOGIN);
+ /*NOTREACHED*/
}
#ifdef FORCE_USERID
if (getuid() != client_uid) {
error("error [must be invoked by %s]\n", CLIENT_LOGIN);
+ /*NOTREACHED*/
}
if (geteuid() != 0) {
error("error [must be setuid root]\n");
+ /*NOTREACHED*/
}
#endif
setuid(0);
#endif
+ /* skip argv[0] */
+ argc--;
+ argv++;
+
+ dbprintf(("config: %s\n", argv[0]));
+ if (strcmp(argv[0], "NOCONFIG") != 0)
+ dbrename(argv[0], DBG_SUBDIR_CLIENT);
+ argc--;
+ argv++;
+
+
dbprintf(("running: %s: ",GNUTAR));
- for (i=0; argv[i]; i++)
- dbprintf(("%s ", argv[i]));
+ for (i=0; argv[i]; i++) {
+ char *quoted;
+
+ quoted = quote_string(argv[i]);
+ dbprintf(("'%s' ", quoted));
+ amfree(quoted);
+ }
dbprintf(("\n"));
dbf = dbfn();
if (dbf) {