src/venus/whatfid.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 /* file         whatfid.c */
  11
  12
  13 #include <afsconfig.h>
  14 #include <afs/param.h>
  15 #include <afs/stds.h>
  16
  17 #include <roken.h>
  18
  19 #include <afs/com_err.h>
  20 #include <afs/vice.h>
  21 #include <afs/venus.h>
  22 #include "afs/prs_fs.h"
  23 #include <afs/afsint.h>
  24 #include <afs/cellconfig.h>
  25 #include <afs/cmd.h>
  26
  27
  28 struct VenusFid {
  29     afs_int32 Cell;
  30     struct AFSFid Fid;
  31 };
  32
  33
  34 char *pn;
  35 void PioctlError();
  36
  37 #include "AFS_component_version_number.c"
  38
  39 int WhatFidCmd_FileParm;
  40 int WhatFidCmd_FollowLinkParm;
  41 int
  42 WhatFidCmd(struct cmd_syndesc *as, void *arock)
  43 {
  44     afs_int32 code;
  45     struct ViceIoctl blob;
  46     struct VenusFid vFid;
  47     struct cmd_item *ti;
  48     struct VolumeStatus *status;
  49     char *name;
  50     int follow = 1;
  51
  52     if (as->parms[1].items)
  53         follow = 0;
  54     for (ti = as->parms[0].items; ti; ti = ti->next) {
  55         /* once per file */
  56         blob.out_size = sizeof(struct VenusFid);
  57         blob.in_size = 0;
  58         blob.out = (char *)&vFid;
  59         code = pioctl(ti->data, VIOCGETFID, &blob, follow);
  60         if (code) {
  61             PioctlError(code, ti->data);
  62             continue;
  63         }
  64         printf("%s: %x:%d.%d.%d\n", ti->data, vFid.Cell, vFid.Fid.Volume,
  65                vFid.Fid.Vnode, vFid.Fid.Unique);
  66     }
  67     return 0;
  68 }
  69
  70
  71
  72 main(argc, argv)
  73      int argc;
  74      char **argv;
  75 {
  76     afs_int32 code;
  77     struct cmd_syndesc *ts;
  78
  79 #ifdef  AFS_AIX32_ENV
  80     /*
  81      * The following signal action for AIX is necessary so that in case of a
  82      * crash (i.e. core is generated) we can include the user's data section
  83      * in the core dump. Unfortunately, by default, only a partial core is
  84      * generated which, in many cases, isn't too useful.
  85      */
  86     struct sigaction nsa;
  87
  88     sigemptyset(&nsa.sa_mask);
  89     nsa.sa_handler = SIG_DFL;
  90     nsa.sa_flags = SA_FULLDUMP;
  91     sigaction(SIGSEGV, &nsa, NULL);
  92 #endif
  93
  94     pn = argv[0];
  95
  96     ts = cmd_CreateSyntax("initcmd", WhatFidCmd, NULL, 0, "list fid for file(s)");
  97     WhatFidCmd_FileParm = cmd_AddParm(ts, "-path", CMD_LIST, 0, "pathnames");
  98     WhatFidCmd_FollowLinkParm =
  99         cmd_AddParm(ts, "-link", CMD_FLAG, CMD_OPTIONAL,
 100                     "do not follow symlinks");
 101
 102     exit(cmd_Dispatch(argc, argv));
 103 }
 104
 105 void
 106 PioctlError(code, filename)
 107      int code;
 108      char *filename;
 109 {                               /*Die */
 110
 111     if (errno == EINVAL) {
 112         if (filename)
 113             fprintf(stderr,
 114                     "%s: Invalid argument; it is possible that %s is not in AFS.\n",
 115                     pn, filename);
 116         else
 117             fprintf(stderr, "%s: Invalid argument.\n", pn);
 118     } else if (errno == ENOENT) {
 119         if (filename)
 120             fprintf(stderr, "%s: File '%s' doesn't exist\n", pn, filename);
 121         else
 122             fprintf(stderr, "%s: no such file returned\n", pn);
 123     } else if (errno == EROFS)
 124         fprintf(stderr,
 125                 "%s: You can not change a backup or readonly volume\n", pn);
 126     else if (errno == EACCES || errno == EPERM) {
 127         if (filename)
 128             fprintf(stderr,
 129                     "%s: You don't have the required access rights on '%s'\n",
 130                     pn, filename);
 131         else
 132             fprintf(stderr,
 133                     "%s: You do not have the required rights to do this operation\n",
 134                     pn);
 135     } else {
 136         if (filename)
 137             fprintf(stderr, "%s:'%s'", pn, filename);
 138         else
 139             fprintf(stderr, "%s", pn);
 140         fprintf(stderr, ": %s\n", afs_error_message(errno));
 141     }
 142 }                               /*Die */