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 #ifdef WIN32
  18 #include "win32_compat.h"
  19 #endif/*WIN32*/
  20
  21 #include <stdio.h>
  22 #include <rpc/rpc.h>
  23 #include <rpc/xdr.h>
  24 #include "libnfs.h"
  25 #include "libnfs-raw.h"
  26 #include "libnfs-private.h"
  27 #include "libnfs-raw-portmap.h"
  28
  29
  30 int rpc_pmap_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, PMAP_PROGRAM, PMAP_V2, PMAP_NULL, cb, private_data, (xdrproc_t)xdr_void, 0);
  35         if (pdu == NULL) {
  36                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for portmap/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 portmap/null call");
  42                 rpc_free_pdu(rpc, pdu);
  43                 return -1;
  44         }
  45
  46         return 0;
  47 }
  48
  49 int rpc_pmap_getport_async(struct rpc_context *rpc, int program, int version, int protocol, rpc_cb cb, void *private_data)
  50 {
  51         struct rpc_pdu *pdu;
  52         struct pmap_mapping m;
  53
  54         pdu = rpc_allocate_pdu(rpc, PMAP_PROGRAM, PMAP_V2, PMAP_GETPORT, cb, private_data, (xdrproc_t)xdr_int, sizeof(uint32_t));
  55         if (pdu == NULL) {
  56                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for portmap/getport call");
  57                 return -1;
  58         }
  59
  60         m.prog = program;
  61         m.vers = version;
  62         m.prot = protocol;
  63         m.port = 0;
  64         if (xdr_pmap_mapping(&pdu->xdr, &m) == 0) {
  65                 rpc_set_error(rpc, "XDR error: Failed to encode data for portmap/getport call");
  66                 rpc_free_pdu(rpc, pdu);
  67                 return -1;
  68         }
  69
  70         if (rpc_queue_pdu(rpc, pdu) != 0) {
  71                 rpc_set_error(rpc, "Failed to queue portmap/getport pdu");
  72                 rpc_free_pdu(rpc, pdu);
  73                 return -1;
  74         }
  75
  76         return 0;
  77 }
  78
  79 int rpc_pmap_set_async(struct rpc_context *rpc, int program, int version, int protocol, int port, rpc_cb cb, void *private_data)
  80 {
  81         struct rpc_pdu *pdu;
  82         struct pmap_mapping m;
  83
  84         pdu = rpc_allocate_pdu(rpc, PMAP_PROGRAM, PMAP_V2, PMAP_SET, cb, private_data, (xdrproc_t)xdr_int, sizeof(uint32_t));
  85         if (pdu == NULL) {
  86                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for portmap/set call");
  87                 return -1;
  88         }
  89
  90         m.prog = program;
  91         m.vers = version;
  92         m.prot = protocol;
  93         m.port = port;
  94         if (xdr_pmap_mapping(&pdu->xdr, &m) == 0) {
  95                 rpc_set_error(rpc, "XDR error: Failed to encode data for portmap/set call");
  96                 rpc_free_pdu(rpc, pdu);
  97                 return -1;
  98         }
  99
 100         if (rpc_queue_pdu(rpc, pdu) != 0) {
 101                 rpc_set_error(rpc, "Failed to queue portmap/set pdu");
 102                 rpc_free_pdu(rpc, pdu);
 103                 return -1;
 104         }
 105
 106         return 0;
 107 }
 108
 109 int rpc_pmap_unset_async(struct rpc_context *rpc, int program, int version, int protocol, int port, rpc_cb cb, void *private_data)
 110 {
 111         struct rpc_pdu *pdu;
 112         struct pmap_mapping m;
 113
 114         pdu = rpc_allocate_pdu(rpc, PMAP_PROGRAM, PMAP_V2, PMAP_UNSET, cb, private_data, (xdrproc_t)xdr_int, sizeof(uint32_t));
 115         if (pdu == NULL) {
 116                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for portmap/unset call");
 117                 return -1;
 118         }
 119
 120         m.prog = program;
 121         m.vers = version;
 122         m.prot = protocol;
 123         m.port = port;
 124         if (xdr_pmap_mapping(&pdu->xdr, &m) == 0) {
 125                 rpc_set_error(rpc, "XDR error: Failed to encode data for portmap/unset call");
 126                 rpc_free_pdu(rpc, pdu);
 127                 return -1;
 128         }
 129
 130         if (rpc_queue_pdu(rpc, pdu) != 0) {
 131                 rpc_set_error(rpc, "Failed to queue portmap/unset pdu");
 132                 rpc_free_pdu(rpc, pdu);
 133                 return -1;
 134         }
 135
 136         return 0;
 137 }
 138
 139 int rpc_pmap_callit_async(struct rpc_context *rpc, int program, int version, int procedure, const char *data, int datalen, rpc_cb cb, void *private_data)
 140 {
 141         struct rpc_pdu *pdu;
 142         struct pmap_call_args ca;
 143
 144         pdu = rpc_allocate_pdu(rpc, PMAP_PROGRAM, PMAP_V2, PMAP_CALLIT, cb, private_data, (xdrproc_t)xdr_pmap_call_result, sizeof(pmap_call_result));
 145         if (pdu == NULL) {
 146                 rpc_set_error(rpc, "Out of memory. Failed to allocate pdu for portmap/callit call");
 147                 return -1;
 148         }
 149
 150         ca.prog = program;
 151         ca.vers = version;
 152         ca.proc = procedure;
 153         ca.args.args_len = datalen;
 154         ca.args.args_val = data;
 155
 156         if (xdr_pmap_call_args(&pdu->xdr, &ca) == 0) {
 157                 rpc_set_error(rpc, "XDR error: Failed to encode data for portmap/callit call");
 158                 rpc_free_pdu(rpc, pdu);
 159                 return -1;
 160         }
 161
 162         if (rpc_queue_pdu(rpc, pdu) != 0) {
 163                 rpc_set_error(rpc, "Failed to queue portmap/callit pdu: %s", rpc_get_error(rpc));
 164                 return -1;
 165         }
 166
 167         return 0;
 168 }