mount/mount.c

   1 /*
   2    Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU Lesser General Public License as published by
   6    the Free Software Foundation; either version 2.1 of the License, or
   7    (at your option) any later version.
   8
   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 Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program; if not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18 #ifdef WIN32
  19 #include "win32_compat.h"
  20 #endif/*WIN32*/
  21
  22 #include <stdio.h>
  23 #include <errno.h>
  24 #include <rpc/rpc.h>
  25 #include <rpc/xdr.h>
  26 #include "libnfs.h"
  27 #include "libnfs-raw.h"
  28 #include "libnfs-private.h"
  29 #include "libnfs-raw-mount.h"
  30
  31 int rpc_mount_null_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
  32 {
  33         struct rpc_pdu *pdu;
  34
  35         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_NULL, cb, private_data, (xdrproc_t)xdr_void, 0);
  36         if (pdu == NULL) {
  37                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for mount/null call");
  38                 return -1;
  39         }
  40
  41         if (rpc_queue_pdu(rpc, pdu) != 0) {
  42                 rpc_set_error(rpc, "Out of memory. Failed to queue pdu for mount/null call");
  43                 rpc_free_pdu(rpc, pdu);
  44                 return -1;
  45         }
  46
  47         return 0;
  48 }
  49
  50 int rpc_mount_mnt_async(struct rpc_context *rpc, rpc_cb cb, char *export, void *private_data)
  51 {
  52         struct rpc_pdu *pdu;
  53
  54         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_MNT, cb, private_data, (xdrproc_t)xdr_mountres3, sizeof(mountres3));
  55         if (pdu == NULL) {
  56                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for mount/mnt call");
  57                 return -1;
  58         }
  59
  60         if (xdr_dirpath(&pdu->xdr, &export) == 0) {
  61                 rpc_set_error(rpc, "XDR error. Failed to encode mount/mnt call");
  62                 rpc_free_pdu(rpc, pdu);
  63                 return -1;
  64         }
  65
  66         if (rpc_queue_pdu(rpc, pdu) != 0) {
  67                 rpc_set_error(rpc, "Out of memory. Failed to queue pdu for mount/mnt call");
  68                 rpc_free_pdu(rpc, pdu);
  69                 return -1;
  70         }
  71
  72         return 0;
  73 }
  74
  75 int rpc_mount_dump_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
  76 {
  77         struct rpc_pdu *pdu;
  78
  79         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_DUMP, cb, private_data, (xdrproc_t)xdr_mountlist, sizeof(mountlist));
  80         if (pdu == NULL) {
  81                 rpc_set_error(rpc, "Failed to allocate pdu for mount/dump");
  82                 return -1;
  83         }
  84
  85         if (rpc_queue_pdu(rpc, pdu) != 0) {
  86                 rpc_set_error(rpc, "Failed to queue mount/dump pdu");
  87                 rpc_free_pdu(rpc, pdu);
  88                 return -1;
  89         }
  90
  91         return 0;
  92 }
  93
  94 int rpc_mount_umnt_async(struct rpc_context *rpc, rpc_cb cb, char *export, void *private_data)
  95 {
  96         struct rpc_pdu *pdu;
  97
  98         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_UMNT, cb, private_data, (xdrproc_t)xdr_void, 0);
  99         if (pdu == NULL) {
 100                 rpc_set_error(rpc, "Failed to allocate pdu for mount/umnt");
 101                 return -1;
 102         }
 103
 104         if (xdr_dirpath(&pdu->xdr, &export) == 0) {
 105                 rpc_set_error(rpc, "failed to encode dirpath for mount/umnt");
 106                 rpc_free_pdu(rpc, pdu);
 107                 return -1;
 108         }
 109
 110         if (rpc_queue_pdu(rpc, pdu) != 0) {
 111                 rpc_set_error(rpc, "Failed to queue mount/umnt pdu");
 112                 rpc_free_pdu(rpc, pdu);
 113                 return -1;
 114         }
 115
 116         return 0;
 117 }
 118
 119 int rpc_mount_umntall_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
 120 {
 121         struct rpc_pdu *pdu;
 122
 123         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_UMNTALL, cb, private_data, (xdrproc_t)xdr_void, 0);
 124         if (pdu == NULL) {
 125                 rpc_set_error(rpc, "Failed to allocate pdu for mount/umntall");
 126                 return -1;
 127         }
 128
 129         if (rpc_queue_pdu(rpc, pdu) != 0) {
 130                 rpc_set_error(rpc, "Failed to queue mount/umntall pdu");
 131                 rpc_free_pdu(rpc, pdu);
 132                 return -1;
 133         }
 134
 135         return 0;
 136 }
 137
 138 int rpc_mount_export_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
 139 {
 140         struct rpc_pdu *pdu;
 141
 142         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_EXPORT, cb, private_data, (xdrproc_t)xdr_exports, sizeof(exports));
 143         if (pdu == NULL) {
 144                 rpc_set_error(rpc, "Failed to allocate pdu for mount/export");
 145                 return -1;
 146         }
 147
 148         if (rpc_queue_pdu(rpc, pdu) != 0) {
 149                 rpc_set_error(rpc, "Failed to queue mount/export pdu");
 150                 rpc_free_pdu(rpc, pdu);
 151                 return -1;
 152         }
 153
 154         return 0;
 155 }
 156
 157 char *mountstat3_to_str(int st)
 158 {
 159         enum mountstat3 stat = st;
 160
 161         char *str = "unknown mount stat";
 162         switch (stat) {
 163         case MNT3_OK:             str="MNT3_OK"; break;
 164         case MNT3ERR_PERM:        str="MNT3ERR_PERM"; break;
 165         case MNT3ERR_NOENT:       str="MNT3ERR_NOENT"; break;
 166         case MNT3ERR_IO:          str="MNT3ERR_IO"; break;
 167         case MNT3ERR_ACCES:       str="MNT3ERR_ACCES"; break;
 168         case MNT3ERR_NOTDIR:      str="MNT3ERR_NOTDIR"; break;
 169         case MNT3ERR_INVAL:       str="MNT3ERR_INVAL"; break;
 170         case MNT3ERR_NAMETOOLONG: str="MNT3ERR_NAMETOOLONG"; break;
 171         case MNT3ERR_NOTSUPP:     str="MNT3ERR_NOTSUPP"; break;
 172         case MNT3ERR_SERVERFAULT: str="MNT3ERR_SERVERFAULT"; break;
 173         }
 174         return str;
 175 }
 176
 177
 178 int mountstat3_to_errno(int st)
 179 {
 180         enum mountstat3 stat = st;
 181
 182         switch (stat) {
 183         case MNT3_OK:             return 0; break;
 184         case MNT3ERR_PERM:        return -EPERM; break;
 185         case MNT3ERR_NOENT:       return -EPERM; break;
 186         case MNT3ERR_IO:          return -EIO; break;
 187         case MNT3ERR_ACCES:       return -EACCES; break;
 188         case MNT3ERR_NOTDIR:      return -ENOTDIR; break;
 189         case MNT3ERR_INVAL:       return -EINVAL; break;
 190         case MNT3ERR_NAMETOOLONG: return -E2BIG; break;
 191         case MNT3ERR_NOTSUPP:     return -EINVAL; break;
 192         case MNT3ERR_SERVERFAULT: return -EIO; break;
 193         }
 194         return -ERANGE;
 195 }
 196
 197
 198