3 // Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; version 2 of the License.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 // Saves current ctx + vserver-info into 'argv[1] + /run' which must be a dead
30 #include <sys/types.h>
37 checkParams(int argc, char *argv[])
40 WRITE_MSG(2, "Usage: save_ctxinfo <VSERVER_DIR> <cmd> <args>*\n");
45 int main(int argc, char *argv[])
47 char runfile[(checkParams(argc,argv),strlen(argv[1])) + sizeof("/run")];
48 char dstfile[PATH_MAX];
53 size_t len1 = strlen(argv[1]);
55 strcpy(runfile, argv[1]);
56 strcpy(runfile+len1, "/run");
64 if (readlink(runfile, dstfile, sizeof(dstfile))==-1) {
69 fd = open(dstfile, O_EXCL|O_CREAT|O_WRONLY, 0644);
75 len = utilvserver_uint2str(buf, sizeof(buf), ctx, 10);
77 if (write(fd, buf, len) !=len ||
78 write(fd, "\n", 1) !=1 ||
79 write(fd, argv[1], len1)!=len1 ||
80 write(fd, "\n", 1) !=1) {
90 execv(argv[2], argv+2);