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/xdr.h>
  21 #include "libnfs.h"
  22 #include "libnfs-raw.h"
  23 #include "libnfs-private.h"
  24 #include "libnfs-raw-mount.h"
  25
  26
  27 int rpc_mount_null_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
  28 {
  29         struct rpc_pdu *pdu;
  30
  31         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_NULL, cb, private_data, (xdrproc_t)xdr_void, 0);
  32         if (pdu == NULL) {
  33                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for mount/null call");
  34                 return -1;
  35         }
  36
  37         if (rpc_queue_pdu(rpc, pdu) != 0) {
  38                 rpc_set_error(rpc, "Out of memory. Failed to queue pdu for mount/null call");
  39                 rpc_free_pdu(rpc, pdu);
  40                 return -2;
  41         }
  42
  43         return 0;
  44 }
  45
  46 int rpc_mount_mnt_async(struct rpc_context *rpc, rpc_cb cb, char *export, void *private_data)
  47 {
  48         struct rpc_pdu *pdu;
  49
  50         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_MNT, cb, private_data, (xdrproc_t)xdr_mountres3, sizeof(mountres3));
  51         if (pdu == NULL) {
  52                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for mount/mnt call");
  53                 return -1;
  54         }
  55
  56         if (xdr_dirpath(&pdu->xdr, &export) == 0) {
  57                 rpc_set_error(rpc, "XDR error. Failed to encode mount/mnt call");
  58                 rpc_free_pdu(rpc, pdu);
  59                 return -2;
  60         }
  61
  62         if (rpc_queue_pdu(rpc, pdu) != 0) {
  63                 rpc_set_error(rpc, "Out of memory. Failed to queue pdu for mount/mnt call");
  64                 rpc_free_pdu(rpc, pdu);
  65                 return -2;
  66         }
  67
  68         return 0;
  69 }
  70
  71 int rpc_mount_dump_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
  72 {
  73         struct rpc_pdu *pdu;
  74
  75         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_DUMP, cb, private_data, (xdrproc_t)xdr_mountlist, sizeof(mountlist));
  76         if (pdu == NULL) {
  77                 printf("Failed to allocate pdu for mount/dump\n");
  78                 return -1;
  79         }
  80
  81         if (rpc_queue_pdu(rpc, pdu) != 0) {
  82                 printf("Failed to queue mount/dump pdu\n");
  83                 rpc_free_pdu(rpc, pdu);
  84                 return -2;
  85         }
  86
  87         return 0;
  88 }
  89
  90 int rpc_mount_umnt_async(struct rpc_context *rpc, rpc_cb cb, char *export, void *private_data)
  91 {
  92         struct rpc_pdu *pdu;
  93
  94         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_UMNT, cb, private_data, (xdrproc_t)xdr_void, 0);
  95         if (pdu == NULL) {
  96                 printf("Failed to allocate pdu for mount/umnt\n");
  97                 return -1;
  98         }
  99
 100         if (xdr_dirpath(&pdu->xdr, &export) == 0) {
 101                 printf("failed to encode dirpath for mount/umnt\n");
 102                 rpc_free_pdu(rpc, pdu);
 103                 return -2;
 104         }
 105
 106         if (rpc_queue_pdu(rpc, pdu) != 0) {
 107                 printf("Failed to queue mount/umnt pdu\n");
 108                 rpc_free_pdu(rpc, pdu);
 109                 return -2;
 110         }
 111
 112         return 0;
 113 }
 114
 115 int rpc_mount_umntall_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
 116 {
 117         struct rpc_pdu *pdu;
 118
 119         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_UMNTALL, cb, private_data, (xdrproc_t)xdr_void, 0);
 120         if (pdu == NULL) {
 121                 printf("Failed to allocate pdu for mount/umntall\n");
 122                 return -1;
 123         }
 124
 125         if (rpc_queue_pdu(rpc, pdu) != 0) {
 126                 printf("Failed to queue mount/umntall pdu\n");
 127                 rpc_free_pdu(rpc, pdu);
 128                 return -2;
 129         }
 130
 131         return 0;
 132 }
 133
 134 int rpc_mount_export_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
 135 {
 136         struct rpc_pdu *pdu;
 137
 138         pdu = rpc_allocate_pdu(rpc, MOUNT_PROGRAM, MOUNT_V3, MOUNT3_EXPORT, cb, private_data, (xdrproc_t)xdr_exports, sizeof(exports));
 139         if (pdu == NULL) {
 140                 printf("Failed to allocate pdu for mount/export\n");
 141                 return -1;
 142         }
 143
 144         if (rpc_queue_pdu(rpc, pdu) != 0) {
 145                 printf("Failed to queue mount/export pdu\n");
 146                 rpc_free_pdu(rpc, pdu);
 147                 return -2;
 148         }
 149
 150         return 0;
 151 }
 152
 153 char *mountstat3_to_str(int st)
 154 {
 155         enum mountstat3 stat = st;
 156
 157         char *str = "unknown mount stat";
 158         switch (stat) {
 159         case MNT3_OK:             str="MNT3_OK"; break;
 160         case MNT3ERR_PERM:        str="MNT3ERR_PERM"; break;
 161         case MNT3ERR_NOENT:       str="MNT3ERR_NOENT"; break;
 162         case MNT3ERR_IO:          str="MNT3ERR_IO"; break;
 163         case MNT3ERR_ACCES:       str="MNT3ERR_ACCES"; break;
 164         case MNT3ERR_NOTDIR:      str="MNT3ERR_NOTDIR"; break;
 165         case MNT3ERR_INVAL:       str="MNT3ERR_INVAL"; break;
 166         case MNT3ERR_NAMETOOLONG: str="MNT3ERR_NAMETOOLONG"; break;
 167         case MNT3ERR_NOTSUPP:     str="MNT3ERR_NOTSUPP"; break;
 168         case MNT3ERR_SERVERFAULT: str="MNT3ERR_SERVERFAULT"; break;
 169         }
 170         return str;
 171 }
 172
 173
 174 int mountstat3_to_errno(int st)
 175 {
 176         enum mountstat3 stat = st;
 177
 178         switch (stat) {
 179         case MNT3_OK:             return 0; break;
 180         case MNT3ERR_PERM:        return -EPERM; break;
 181         case MNT3ERR_NOENT:       return -EPERM; break;
 182         case MNT3ERR_IO:          return -EIO; break;
 183         case MNT3ERR_ACCES:       return -EACCES; break;
 184         case MNT3ERR_NOTDIR:      return -ENOTDIR; break;
 185         case MNT3ERR_INVAL:       return -EINVAL; break;
 186         case MNT3ERR_NAMETOOLONG: return -E2BIG; break;
 187         case MNT3ERR_NOTSUPP:     return -EINVAL; break;
 188         case MNT3ERR_SERVERFAULT: return -EIO; break;
 189         }
 190         return -ERANGE;
 191 }