portmap/portmap.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 <rpc/xdr.h>
  20 #include "libnfs.h"
  21 #include "libnfs-raw.h"
  22 #include "libnfs-private.h"
  23 #include "libnfs-raw-portmap.h"
  24
  25
  26 int rpc_pmap_null_async(struct rpc_context *rpc, rpc_cb cb, void *private_data)
  27 {
  28         struct rpc_pdu *pdu;
  29
  30         pdu = rpc_allocate_pdu(rpc, PMAP_PROGRAM, PMAP_V2, PMAP_NULL, cb, private_data, (xdrproc_t)xdr_void, 0);
  31         if (pdu == NULL) {
  32                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for portmap/null call");
  33                 return -1;
  34         }
  35
  36         if (rpc_queue_pdu(rpc, pdu) != 0) {
  37                 rpc_set_error(rpc, "Out of memory. Failed to queue pdu for portmap/null call");
  38                 rpc_free_pdu(rpc, pdu);
  39                 return -2;
  40         }
  41
  42         return 0;
  43 }
  44
  45 int rpc_pmap_getport_async(struct rpc_context *rpc, int program, int version, rpc_cb cb, void *private_data)
  46 {
  47         struct rpc_pdu *pdu;
  48         struct mapping m;
  49
  50         pdu = rpc_allocate_pdu(rpc, PMAP_PROGRAM, PMAP_V2, PMAP_GETPORT, cb, private_data, (xdrproc_t)xdr_int, sizeof(uint32_t));
  51         if (pdu == NULL) {
  52                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for portmap/getport call");
  53                 return -1;
  54         }
  55
  56         m.prog = program;
  57         m.vers = version;
  58         m.prot = IPPROTO_TCP;
  59         m.port = 0;
  60         if (xdr_mapping(&pdu->xdr, &m) == 0) {
  61                 rpc_set_error(rpc, "XDR error: Failed to encode data for portmap/getport call");
  62                 rpc_free_pdu(rpc, pdu);
  63                 return -2;
  64         }
  65
  66         if (rpc_queue_pdu(rpc, pdu) != 0) {
  67                 printf("Failed to queue portmap/getport pdu\n");
  68                 rpc_free_pdu(rpc, pdu);
  69                 return -2;
  70         }
  71
  72         return 0;
  73 }