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 "libnfs-zdr.h"
  25 #include "libnfs.h"
  26 #include "libnfs-raw.h"
  27 #include "libnfs-private.h"
  28 #include "libnfs-raw-mount.h"
  29
  30 int rpc_mount_null_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
  31 {
  32         struct rpc_pdu *pdu;
  33
  34         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_NULL, cb, private_data, (zdrproc_t)zdr_void, 0);
  35         if (pdu == NULL) {
  36                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for mount/null call");
  37                 return -1;
  38         }
  39
  40         if (rpc_queue_pdu(rpc, pdu) != 0) {
  41                 rpc_set_error(rpc, "Out of memory. Failed to queue pdu for mount/null call");
  42                 rpc_free_pdu(rpc, pdu);
  43                 return -1;
  44         }
  45
  46         return 0;
  47 }
  48
  49 int rpc_mount_mnt_async(struct rpc_context *rpc, rpc_cb cb, char *export, void *private_data)
  50 {
  51         struct rpc_pdu *pdu;
  52
  53         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_MNT, cb, private_data, (zdrproc_t)zdr_mountres3, sizeof(mountres3));
  54         if (pdu == NULL) {
  55                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for mount/mnt call");
  56                 return -1;
  57         }
  58
  59         if (zdr_dirpath(&pdu->zdr, &export) == 0) {
  60                 rpc_set_error(rpc, "ZDR error. Failed to encode mount/mnt call");
  61                 rpc_free_pdu(rpc, pdu);
  62                 return -1;
  63         }
  64
  65         if (rpc_queue_pdu(rpc, pdu) != 0) {
  66                 rpc_set_error(rpc, "Out of memory. Failed to queue pdu for mount/mnt call");
  67                 rpc_free_pdu(rpc, pdu);
  68                 return -1;
  69         }
  70
  71         return 0;
  72 }
  73
  74 int rpc_mount_dump_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
  75 {
  76         struct rpc_pdu *pdu;
  77
  78         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_DUMP, cb, private_data, (zdrproc_t)zdr_mountlist, sizeof(mountlist));
  79         if (pdu == NULL) {
  80                 rpc_set_error(rpc, "Failed to allocate pdu for mount/dump");
  81                 return -1;
  82         }
  83
  84         if (rpc_queue_pdu(rpc, pdu) != 0) {
  85                 rpc_set_error(rpc, "Failed to queue mount/dump pdu");
  86                 rpc_free_pdu(rpc, pdu);
  87                 return -1;
  88         }
  89
  90         return 0;
  91 }
  92
  93 int rpc_mount_umnt_async(struct rpc_context *rpc, rpc_cb cb, char *export, void *private_data)
  94 {
  95         struct rpc_pdu *pdu;
  96
  97         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_UMNT, cb, private_data, (zdrproc_t)zdr_void, 0);
  98         if (pdu == NULL) {
  99                 rpc_set_error(rpc, "Failed to allocate pdu for mount/umnt");
 100                 return -1;
 101         }
 102
 103         if (zdr_dirpath(&pdu->zdr, &export) == 0) {
 104                 rpc_set_error(rpc, "failed to encode dirpath for mount/umnt");
 105                 rpc_free_pdu(rpc, pdu);
 106                 return -1;
 107         }
 108
 109         if (rpc_queue_pdu(rpc, pdu) != 0) {
 110                 rpc_set_error(rpc, "Failed to queue mount/umnt pdu");
 111                 rpc_free_pdu(rpc, pdu);
 112                 return -1;
 113         }
 114
 115         return 0;
 116 }
 117
 118 int rpc_mount_umntall_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
 119 {
 120         struct rpc_pdu *pdu;
 121
 122         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_UMNTALL, cb, private_data, (zdrproc_t)zdr_void, 0);
 123         if (pdu == NULL) {
 124                 rpc_set_error(rpc, "Failed to allocate pdu for mount/umntall");
 125                 return -1;
 126         }
 127
 128         if (rpc_queue_pdu(rpc, pdu) != 0) {
 129                 rpc_set_error(rpc, "Failed to queue mount/umntall pdu");
 130                 rpc_free_pdu(rpc, pdu);
 131                 return -1;
 132         }
 133
 134         return 0;
 135 }
 136
 137 int rpc_mount_export_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
 138 {
 139         struct rpc_pdu *pdu;
 140
 141         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_EXPORT, cb, private_data, (zdrproc_t)zdr_exports, sizeof(exports));
 142         if (pdu == NULL) {
 143                 rpc_set_error(rpc, "Failed to allocate pdu for mount/export");
 144                 return -1;
 145         }
 146
 147         if (rpc_queue_pdu(rpc, pdu) != 0) {
 148                 rpc_set_error(rpc, "Failed to queue mount/export pdu");
 149                 rpc_free_pdu(rpc, pdu);
 150                 return -1;
 151         }
 152
 153         return 0;
 154 }
 155
 156 char *mountstat3_to_str(int st)
 157 {
 158         enum mountstat3 stat = st;
 159
 160         char *str = "unknown mount stat";
 161         switch (stat) {
 162         case MNT3_OK:             str="MNT3_OK"; break;
 163         case MNT3ERR_PERM:        str="MNT3ERR_PERM"; break;
 164         case MNT3ERR_NOENT:       str="MNT3ERR_NOENT"; break;
 165         case MNT3ERR_IO:          str="MNT3ERR_IO"; break;
 166         case MNT3ERR_ACCES:       str="MNT3ERR_ACCES"; break;
 167         case MNT3ERR_NOTDIR:      str="MNT3ERR_NOTDIR"; break;
 168         case MNT3ERR_INVAL:       str="MNT3ERR_INVAL"; break;
 169         case MNT3ERR_NAMETOOLONG: str="MNT3ERR_NAMETOOLONG"; break;
 170         case MNT3ERR_NOTSUPP:     str="MNT3ERR_NOTSUPP"; break;
 171         case MNT3ERR_SERVERFAULT: str="MNT3ERR_SERVERFAULT"; break;
 172         }
 173         return str;
 174 }
 175
 176
 177 int mountstat3_to_errno(int st)
 178 {
 179         enum mountstat3 stat = st;
 180
 181         switch (stat) {
 182         case MNT3_OK:             return 0; break;
 183         case MNT3ERR_PERM:        return -EPERM; break;
 184         case MNT3ERR_NOENT:       return -EPERM; break;
 185         case MNT3ERR_IO:          return -EIO; break;
 186         case MNT3ERR_ACCES:       return -EACCES; break;
 187         case MNT3ERR_NOTDIR:      return -ENOTDIR; break;
 188         case MNT3ERR_INVAL:       return -EINVAL; break;
 189         case MNT3ERR_NAMETOOLONG: return -E2BIG; break;
 190         case MNT3ERR_NOTSUPP:     return -EINVAL; break;
 191         case MNT3ERR_SERVERFAULT: return -EIO; break;
 192         }
 193         return -ERANGE;
 194 }
 195
 196
 197