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
  16
  17 #include <stdio.h>
  18 #include <errno.h>
  19 #ifdef  AFS_AIX32_ENV
  20 #include <signal.h>
  21 #endif
  22 #include <sys/ioctl.h>
  23 #include <sys/socket.h>
  24 #include <netdb.h>
  25 #include <netinet/in.h>
  26 #include <afs/stds.h>
  27 #include <afs/com_err.h>
  28 #include <afs/vice.h>
  29 #include <afs/venus.h>
  30 #include "afs/prs_fs.h"
  31 #include <afs/afsint.h>
  32 #include <afs/cellconfig.h>
  33 #include <afs/cmd.h>
  34 #include <strings.h>
  35
  36
  37 struct VenusFid {
  38     afs_int32 Cell;
  39     struct AFSFid Fid;
  40 };
  41
  42
  43 char *pn;
  44 void PioctlError();
  45
  46 #include "AFS_component_version_number.c"
  47
  48 int WhatFidCmd_FileParm;
  49 int WhatFidCmd_FollowLinkParm;
  50 int
  51 WhatFidCmd(struct cmd_syndesc *as, void *arock)
  52 {
  53     afs_int32 code;
  54     struct ViceIoctl blob;
  55     struct VenusFid vFid;
  56     struct cmd_item *ti;
  57     struct VolumeStatus *status;
  58     char *name;
  59     int follow = 1;
  60
  61     if (as->parms[1].items)
  62         follow = 0;
  63     for (ti = as->parms[0].items; ti; ti = ti->next) {
  64         /* once per file */
  65         blob.out_size = sizeof(struct VenusFid);
  66         blob.in_size = 0;
  67         blob.out = (char *)&vFid;
  68         code = pioctl(ti->data, VIOCGETFID, &blob, follow);
  69         if (code) {
  70             PioctlError(code, ti->data);
  71             continue;
  72         }
  73         printf("%s: %x:%d.%d.%d\n", ti->data, vFid.Cell, vFid.Fid.Volume,
  74                vFid.Fid.Vnode, vFid.Fid.Unique);
  75     }
  76     return 0;
  77 }
  78
  79
  80
  81 main(argc, argv)
  82      int argc;
  83      char **argv;
  84 {
  85     afs_int32 code;
  86     struct cmd_syndesc *ts;
  87
  88 #ifdef  AFS_AIX32_ENV
  89     /*
  90      * The following signal action for AIX is necessary so that in case of a
  91      * crash (i.e. core is generated) we can include the user's data section
  92      * in the core dump. Unfortunately, by default, only a partial core is
  93      * generated which, in many cases, isn't too useful.
  94      */
  95     struct sigaction nsa;
  96
  97     sigemptyset(&nsa.sa_mask);
  98     nsa.sa_handler = SIG_DFL;
  99     nsa.sa_flags = SA_FULLDUMP;
 100     sigaction(SIGSEGV, &nsa, NULL);
 101 #endif
 102
 103     pn = argv[0];
 104
 105     ts = cmd_CreateSyntax("initcmd", WhatFidCmd, NULL, "list fid for file(s)");
 106     WhatFidCmd_FileParm = cmd_AddParm(ts, "-path", CMD_LIST, 0, "pathnames");
 107     WhatFidCmd_FollowLinkParm =
 108         cmd_AddParm(ts, "-link", CMD_FLAG, CMD_OPTIONAL,
 109                     "do not follow symlinks");
 110
 111     exit(cmd_Dispatch(argc, argv));
 112 }
 113
 114 void
 115 PioctlError(code, filename)
 116      int code;
 117      char *filename;
 118 {                               /*Die */
 119
 120     if (errno == EINVAL) {
 121         if (filename)
 122             fprintf(stderr,
 123                     "%s: Invalid argument; it is possible that %s is not in AFS.\n",
 124                     pn, filename);
 125         else
 126             fprintf(stderr, "%s: Invalid argument.\n", pn);
 127     } else if (errno == ENOENT) {
 128         if (filename)
 129             fprintf(stderr, "%s: File '%s' doesn't exist\n", pn, filename);
 130         else
 131             fprintf(stderr, "%s: no such file returned\n", pn);
 132     } else if (errno == EROFS)
 133         fprintf(stderr,
 134                 "%s: You can not change a backup or readonly volume\n", pn);
 135     else if (errno == EACCES || errno == EPERM) {
 136         if (filename)
 137             fprintf(stderr,
 138                     "%s: You don't have the required access rights on '%s'\n",
 139                     pn, filename);
 140         else
 141             fprintf(stderr,
 142                     "%s: You do not have the required rights to do this operation\n",
 143                     pn);
 144     } else {
 145         if (filename)
 146             fprintf(stderr, "%s:'%s'", pn, filename);
 147         else
 148             fprintf(stderr, "%s", pn);
 149         fprintf(stderr, ": %s\n", afs_error_message(errno));
 150     }
 151 }                               /*Die */