src/venus/livesys.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <afsconfig.h>
  11 #include <afs/param.h>
  12 #include <afs/stds.h>
  13
  14 #include <roken.h>
  15
  16 #include <afs/afs_args.h>
  17 #include <rx/xdr.h>
  18 #include <afs/com_err.h>
  19 #include <afs/vice.h>
  20 #include <afs/venus.h>
  21 #include <afs/com_err.h>
  22 #include <afs/afs_consts.h>
  23 #include <afs/sys_prototypes.h>
  24
  25 static char space[AFS_PIOCTL_MAXSIZE];
  26
  27 int
  28 main(int argc, char **argv)
  29 {
  30     afs_int32 code;
  31     struct ViceIoctl blob;
  32     char *input = space;
  33     afs_int32 setp = 0;
  34
  35 #ifdef  AFS_AIX32_ENV
  36     /*
  37      * The following signal action for AIX is necessary so that in case of a
  38      * crash (i.e. core is generated) we can include the user's data section
  39      * in the core dump. Unfortunately, by default, only a partial core is
  40      * generated which, in many cases, isn't too useful.
  41      */
  42     struct sigaction nsa;
  43
  44     sigemptyset(&nsa.sa_mask);
  45     nsa.sa_handler = SIG_DFL;
  46     nsa.sa_flags = SA_FULLDUMP;
  47     sigaction(SIGSEGV, &nsa, NULL);
  48 #endif
  49
  50     blob.in = space;
  51     blob.out = space;
  52     blob.out_size = AFS_PIOCTL_MAXSIZE;
  53     blob.in_size = sizeof(afs_int32);
  54     memcpy(space, &setp, sizeof(afs_int32));
  55     code = pioctl(0, VIOC_AFS_SYSNAME, &blob, 1);
  56     if (code) {
  57         fprintf(stderr, "livesys: %s\n", afs_error_message(code));
  58         return 1;
  59     }
  60     input = space;
  61     memcpy(&setp, input, sizeof(afs_int32));
  62     input += sizeof(afs_int32);
  63     if (!setp) {
  64         fprintf(stderr, "No sysname name value was found\n");
  65         return 1;
  66     }
  67     printf("%s\n", input);
  68     return 0;
  69 }