examples/portmap-client.c

   1 /*
   2    Copyright (C) by Ronnie Sahlberg <ronniesahlberg@gmail.com> 2014
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 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 General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18 /* Example program using the lowlevel raw interface.
  19  * This allow accurate control of the exact commands that are being used.
  20  */
  21 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #endif
  24
  25 #ifdef WIN32
  26 #include "win32_compat.h"
  27 #endif
  28
  29 #ifdef HAVE_POLL_H
  30 #include <poll.h>
  31 #endif
  32
  33 #ifdef HAVE_NETINET_IN_H
  34 #include <netinet/in.h>
  35 #endif
  36
  37 #include <stdio.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40 #include "libnfs-zdr.h"
  41 #include "libnfs.h"
  42 #include "libnfs-raw.h"
  43 #include "libnfs-raw-mount.h"
  44 #include "libnfs-raw-nfs.h"
  45 #include "libnfs-raw-portmap.h"
  46 #include "libnfs-raw-rquota.h"
  47
  48 struct client {
  49        int is_finished;
  50 };
  51
  52 void pmap2_dump_cb(struct rpc_context *rpc, int status, void *data, void *private_data)
  53 {
  54         struct client *client = private_data;
  55         struct pmap2_dump_result *dr = data;
  56         struct pmap2_mapping_list *list = dr->list;
  57
  58         if (status == RPC_STATUS_ERROR) {
  59                 printf("PORTMAP2/DUMP call failed with \"%s\"\n", (char *)data);
  60                 exit(10);
  61         }
  62         if (status != RPC_STATUS_SUCCESS) {
  63                 printf("PORTMAP2/DUMP call failed, status:%d\n", status);
  64                 exit(10);
  65         }
  66
  67         printf("PORTMAP2/DUMP:\n");
  68         while (list) {
  69                 printf("        Prog:%d Vers:%d Protocol:%d Port:%d\n",
  70                         list->map.prog,
  71                         list->map.vers,
  72                         list->map.prot,
  73                         list->map.port);
  74                 list = list->next;
  75         }
  76         client->is_finished = 1;
  77 }
  78
  79 void pmap3_dump_cb(struct rpc_context *rpc, int status, void *data, void *private_data)
  80 {
  81         struct client *client = private_data;
  82         struct pmap3_dump_result *dr = data;
  83         struct pmap3_mapping_list *list = dr->list;
  84
  85         if (status == RPC_STATUS_ERROR) {
  86                 printf("PORTMAP3/DUMP call failed with \"%s\"\n", (char *)data);
  87                 exit(10);
  88         }
  89         if (status != RPC_STATUS_SUCCESS) {
  90                 printf("PORTMAP3/DUMP call failed, status:%d\n", status);
  91                 exit(10);
  92         }
  93
  94         printf("PORTMAP3/DUMP:\n");
  95         while (list) {
  96                 printf("        Prog:%d Vers:%d Netid:%s Addr:%s Owner:%s\n",
  97                         list->map.prog,
  98                         list->map.vers,
  99                         list->map.netid,
 100                         list->map.addr,
 101                         list->map.owner);
 102                 list = list->next;
 103         }
 104         client->is_finished = 1;
 105 }
 106
 107 void pmap2_null_cb(struct rpc_context *rpc, int status, void *data, void *private_data)
 108 {
 109         struct client *client = private_data;
 110
 111         if (status == RPC_STATUS_ERROR) {
 112                 printf("PORTMAP2/NULL call failed with \"%s\"\n", (char *)data);
 113                 exit(10);
 114         }
 115         if (status != RPC_STATUS_SUCCESS) {
 116                 printf("PORTMAP2/NULL call failed, status:%d\n", status);
 117                 exit(10);
 118         }
 119
 120         printf("PORTMAP2/NULL responded and server is alive\n");
 121         client->is_finished = 1;
 122 }
 123
 124 void pmap3_null_cb(struct rpc_context *rpc, int status, void *data, void *private_data)
 125 {
 126         struct client *client = private_data;
 127
 128         if (status == RPC_STATUS_ERROR) {
 129                 printf("PORTMAP3/NULL call failed with \"%s\"\n", (char *)data);
 130                 exit(10);
 131         }
 132         if (status != RPC_STATUS_SUCCESS) {
 133                 printf("PORTMAP3/NULL call failed, status:%d\n", status);
 134                 exit(10);
 135         }
 136
 137         printf("PORTMAP3/NULL responded and server is alive\n");
 138         client->is_finished = 1;
 139 }
 140
 141 void pmap_null_cb(struct rpc_context *rpc, int status, void *data, void *private_data)
 142 {
 143         struct client *client = private_data;
 144
 145         if (status == RPC_STATUS_ERROR) {
 146                 printf("PORTMAP/NULL call failed with \"%s\"\n", (char *)data);
 147                 exit(10);
 148         }
 149         if (status != RPC_STATUS_SUCCESS) {
 150                 printf("PORTMAP/NULL call failed, status:%d\n", status);
 151                 exit(10);
 152         }
 153
 154         client->is_finished = 1;
 155 }
 156
 157 void pmap_connect_cb(struct rpc_context *rpc, int status, void *data _U_, void *private_data)
 158 {
 159         struct client *client = private_data;
 160
 161         if (status != RPC_STATUS_SUCCESS) {
 162                 printf("connection to portmapper failed\n");
 163                 exit(10);
 164         }
 165
 166         if (rpc_pmap2_null_async(rpc, pmap_null_cb, client) != 0) {
 167                 printf("Failed to send null request\n");
 168                 exit(10);
 169         }
 170 }
 171
 172
 173 static void wait_until_finished(struct rpc_context *rpc, struct client *client)
 174 {
 175         struct pollfd pfd;
 176
 177         client->is_finished = 0;
 178         for (;;) {
 179                 pfd.fd = rpc_get_fd(rpc);
 180                 pfd.events = rpc_which_events(rpc);
 181
 182                 if (poll(&pfd, 1, -1) < 0) {
 183                         printf("Poll failed");
 184                         exit(10);
 185                 }
 186                 if (rpc_service(rpc, pfd.revents) < 0) {
 187                         printf("rpc_service failed\n");
 188                         break;
 189                 }
 190                 if (client->is_finished) {
 191                         break;
 192                 }
 193         }
 194 }
 195
 196 int main(int argc _U_, char *argv[] _U_)
 197 {
 198         struct rpc_context *rpc;
 199         struct client client;
 200         char *server = NULL;
 201         int i;
 202         int null2 = 0;
 203         int dump2 = 0;
 204         int null3 = 0;
 205         int dump3 = 0;
 206         int command_found = 0;
 207
 208         rpc = rpc_init_context();
 209         if (rpc == NULL) {
 210                 printf("failed to init context\n");
 211                 exit(10);
 212         }
 213
 214         for (i = 1; i < argc; i++) {
 215                 if (!strcmp(argv[i], "dump2")) {
 216                         dump2 = 1;
 217                         command_found++;
 218                 } else if (!strcmp(argv[i], "null2")) {
 219                         null2 = 1;
 220                         command_found++;
 221                 } else if (!strcmp(argv[i], "dump3")) {
 222                         dump3 = 1;
 223                         command_found++;
 224                 } else if (!strcmp(argv[i], "null3")) {
 225                         null3 = 1;
 226                         command_found++;
 227                 } else {
 228                         server = argv[i];
 229                 }
 230         }
 231         if (command_found == 0 || server == NULL) {
 232                 fprintf(stderr, "Usage: portmap-client <command*> <server>\n");
 233                 exit(10);
 234         }
 235
 236         if (rpc_connect_async(rpc, server, 111, pmap_connect_cb, &client) != 0) {
 237                 printf("Failed to start connection\n");
 238                 exit(10);
 239         }
 240         wait_until_finished(rpc, &client);
 241
 242         if (null2) {
 243                 if (rpc_pmap2_null_async(rpc, pmap2_null_cb, &client) != 0) {
 244                         printf("Failed to send NULL2 request\n");
 245                         exit(10);
 246                 }
 247                 wait_until_finished(rpc, &client);
 248         }
 249         if (dump2) {
 250                 if (rpc_pmap2_dump_async(rpc, pmap2_dump_cb, &client) != 0) {
 251                         printf("Failed to send DUMP2 request\n");
 252                         exit(10);
 253                 }
 254                 wait_until_finished(rpc, &client);
 255         }
 256         if (null3) {
 257                 if (rpc_pmap3_null_async(rpc, pmap3_null_cb, &client) != 0) {
 258                         printf("Failed to send NULL3 request\n");
 259                         exit(10);
 260                 }
 261                 wait_until_finished(rpc, &client);
 262         }
 263         if (dump3) {
 264                 if (rpc_pmap3_dump_async(rpc, pmap3_dump_cb, &client) != 0) {
 265                         printf("Failed to send DUMP3 request\n");
 266                         exit(10);
 267                 }
 268                 wait_until_finished(rpc, &client);
 269         }
 270
 271
 272         rpc_destroy_context(rpc);
 273         rpc=NULL;
 274         return 0;
 275 }