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 #include <stdio.h>
  19 #include <errno.h>
  20 #include <rpc/rpc.h>
  21 #include <rpc/xdr.h>
  22 #include "libnfs.h"
  23 #include "libnfs-raw.h"
  24 #include "libnfs-private.h"
  25 #include "libnfs-raw-mount.h"
  26
  27
  28 int rpc_mount_null_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
  29 {
  30         struct rpc_pdu *pdu;
  31
  32         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_NULL, cb, private_data, (xdrproc_t)xdr_void, 0);
  33         if (pdu == NULL) {
  34                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for mount/null call");
  35                 return -1;
  36         }
  37
  38         if (rpc_queue_pdu(rpc, pdu) != 0) {
  39                 rpc_set_error(rpc, "Out of memory. Failed to queue pdu for mount/null call");
  40                 rpc_free_pdu(rpc, pdu);
  41                 return -1;
  42         }
  43
  44         return 0;
  45 }
  46
  47 int rpc_mount_mnt_async(struct rpc_context *rpc, rpc_cb cb, char *export, void *private_data)
  48 {
  49         struct rpc_pdu *pdu;
  50
  51         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_MNT, cb, private_data, (xdrproc_t)xdr_mountres3, sizeof(mountres3));
  52         if (pdu == NULL) {
  53                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for mount/mnt call");
  54                 return -1;
  55         }
  56
  57         if (xdr_dirpath(&pdu->xdr, &export) == 0) {
  58                 rpc_set_error(rpc, "XDR error. Failed to encode mount/mnt call");
  59                 rpc_free_pdu(rpc, pdu);
  60                 return -1;
  61         }
  62
  63         if (rpc_queue_pdu(rpc, pdu) != 0) {
  64                 rpc_set_error(rpc, "Out of memory. Failed to queue pdu for mount/mnt call");
  65                 rpc_free_pdu(rpc, pdu);
  66                 return -1;
  67         }
  68
  69         return 0;
  70 }
  71
  72 int rpc_mount_dump_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
  73 {
  74         struct rpc_pdu *pdu;
  75
  76         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_DUMP, cb, private_data, (xdrproc_t)xdr_mountlist, sizeof(mountlist));
  77         if (pdu == NULL) {
  78                 rpc_set_error(rpc, "Failed to allocate pdu for mount/dump");
  79                 return -1;
  80         }
  81
  82         if (rpc_queue_pdu(rpc, pdu) != 0) {
  83                 rpc_set_error(rpc, "Failed to queue mount/dump pdu");
  84                 rpc_free_pdu(rpc, pdu);
  85                 return -1;
  86         }
  87
  88         return 0;
  89 }
  90
  91 int rpc_mount_umnt_async(struct rpc_context *rpc, rpc_cb cb, char *export, void *private_data)
  92 {
  93         struct rpc_pdu *pdu;
  94
  95         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_UMNT, cb, private_data, (xdrproc_t)xdr_void, 0);
  96         if (pdu == NULL) {
  97                 rpc_set_error(rpc, "Failed to allocate pdu for mount/umnt");
  98                 return -1;
  99         }
 100
 101         if (xdr_dirpath(&pdu->xdr, &export) == 0) {
 102                 rpc_set_error(rpc, "failed to encode dirpath for mount/umnt");
 103                 rpc_free_pdu(rpc, pdu);
 104                 return -1;
 105         }
 106
 107         if (rpc_queue_pdu(rpc, pdu) != 0) {
 108                 rpc_set_error(rpc, "Failed to queue mount/umnt pdu");
 109                 rpc_free_pdu(rpc, pdu);
 110                 return -1;
 111         }
 112
 113         return 0;
 114 }
 115
 116 int rpc_mount_umntall_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
 117 {
 118         struct rpc_pdu *pdu;
 119
 120         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_UMNTALL, cb, private_data, (xdrproc_t)xdr_void, 0);
 121         if (pdu == NULL) {
 122                 rpc_set_error(rpc, "Failed to allocate pdu for mount/umntall");
 123                 return -1;
 124         }
 125
 126         if (rpc_queue_pdu(rpc, pdu) != 0) {
 127                 rpc_set_error(rpc, "Failed to queue mount/umntall pdu");
 128                 rpc_free_pdu(rpc, pdu);
 129                 return -1;
 130         }
 131
 132         return 0;
 133 }
 134
 135 int rpc_mount_export_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
 136 {
 137         struct rpc_pdu *pdu;
 138
 139         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_EXPORT, cb, private_data, (xdrproc_t)xdr_exports, sizeof(exports));
 140         if (pdu == NULL) {
 141                 rpc_set_error(rpc, "Failed to allocate pdu for mount/export");
 142                 return -1;
 143         }
 144
 145         if (rpc_queue_pdu(rpc, pdu) != 0) {
 146                 rpc_set_error(rpc, "Failed to queue mount/export pdu");
 147                 rpc_free_pdu(rpc, pdu);
 148                 return -1;
 149         }
 150
 151         return 0;
 152 }
 153
 154 char *mountstat3_to_str(int st)
 155 {
 156         enum mountstat3 stat = st;
 157
 158         char *str = "unknown mount stat";
 159         switch (stat) {
 160         case MNT3_OK:             str="MNT3_OK"; break;
 161         case MNT3ERR_PERM:        str="MNT3ERR_PERM"; break;
 162         case MNT3ERR_NOENT:       str="MNT3ERR_NOENT"; break;
 163         case MNT3ERR_IO:          str="MNT3ERR_IO"; break;
 164         case MNT3ERR_ACCES:       str="MNT3ERR_ACCES"; break;
 165         case MNT3ERR_NOTDIR:      str="MNT3ERR_NOTDIR"; break;
 166         case MNT3ERR_INVAL:       str="MNT3ERR_INVAL"; break;
 167         case MNT3ERR_NAMETOOLONG: str="MNT3ERR_NAMETOOLONG"; break;
 168         case MNT3ERR_NOTSUPP:     str="MNT3ERR_NOTSUPP"; break;
 169         case MNT3ERR_SERVERFAULT: str="MNT3ERR_SERVERFAULT"; break;
 170         }
 171         return str;
 172 }
 173
 174
 175 int mountstat3_to_errno(int st)
 176 {
 177         enum mountstat3 stat = st;
 178
 179         switch (stat) {
 180         case MNT3_OK:             return 0; break;
 181         case MNT3ERR_PERM:        return -EPERM; break;
 182         case MNT3ERR_NOENT:       return -EPERM; break;
 183         case MNT3ERR_IO:          return -EIO; break;
 184         case MNT3ERR_ACCES:       return -EACCES; break;
 185         case MNT3ERR_NOTDIR:      return -ENOTDIR; break;
 186         case MNT3ERR_INVAL:       return -EINVAL; break;
 187         case MNT3ERR_NAMETOOLONG: return -E2BIG; break;
 188         case MNT3ERR_NOTSUPP:     return -EINVAL; break;
 189         case MNT3ERR_SERVERFAULT: return -EIO; break;
 190         }
 191         return -ERANGE;
 192 }
 193
 194
 195