Updating from the mainline PL kernel

[linux-2.6.git] / support / enter_admin.c

diff --git a/support/enter_admin.c b/support/enter_admin.c
deleted file mode 100644 (file)
index fdbfe2c..0000000
--- a/support/enter_admin.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/* enter_admin.c       Vsys script to switch a vserver into admin mode in which it has access 
- *                     to the Internet. Install in /vsys and invoke as echo $$ > /vsys/enter_admin.in
- *                     from within the slice.
- *                     3/21/2008       Sapan Bhatia
- */
-
-#include <sys/syscall.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <string.h>
-
-#ifndef CLONE_NEWNET
-#define CLONE_NEWNET    0x40000000      /* New network namespace (lo, device, names sockets, etc) */
-#endif
-
-#define        __NR_set_space          327
-#define        PATHLEN                 1024
-
-int set_space(int pid, int id, int toggle, unsigned long unshare_flags) { 
-               return syscall(__NR_set_space, pid, id, toggle, unshare_flags);
-}
-
-int get_slice_xid(char *slice_name) {
-       char slicepath[PATHLEN];
-       FILE *fp;
-       int xid;
-       snprintf(slicepath, sizeof(slicepath), "/etc/vservers/%s/context",
-                slice_name);
-
-       if ((fp = fopen(slicepath, "r")) == NULL) {
-               printf("Could not open %s\n", slicepath);       
-               return -1;
-       }
-
-       if (fscanf(fp, "%d", &xid)==0) {
-               printf("Could not read ctx file\n");
-               return -1;
-       }
-
-       fclose (fp);
-       return xid;
-}
-
-int verify_ownership(int pid, int arg_xid) {
-       char procpath[PATHLEN];
-       FILE *fp;
-       int xid;
-       snprintf(procpath, sizeof(procpath), "/proc/%d/vinfo", pid);
-
-       if ((fp = fopen(procpath, "r")) == NULL) {
-               printf("Could not open %s\n", procpath);        
-               return -1;
-       }
-
-       if (fscanf(fp, "XID: %d", &xid)==0) {
-               printf("Could not read ctx file\n");
-               return -1;
-       }
-
-       fclose (fp);
-       return (arg_xid==xid);
-
-}
-
-int main(int argc, char *argv[]) {
-       int xid;
-       int pid;
-
-       if (argc < 1) {
-               printf("Slice name missing. Was I invoked by vsys?\n");
-               exit(1);
-       }
-
-       scanf("%d",&pid);
-
-       if ((xid = get_slice_xid(argv[1]))==-1) {
-               printf("Could not get xid for slice %s\n",argv[1]);
-               exit(1);
-       }
-
-       if (!verify_ownership(pid, xid)) {
-               printf("Does xid %d really own %d?\n",xid,pid);
-               exit(1);
-       }
-
-       set_space(pid, xid, 0, CLONE_NEWNET);
-}