source4/lib/socket/testsuite.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    local testing of socket routines.
   5
   6    Copyright (C) Andrew Tridgell 2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 */
  21
  22 #include "includes.h"
  23 #include "lib/socket/socket.h"
  24 #include "lib/events/events.h"
  25 #include "system/network.h"
  26 #include "lib/socket/netif.h"
  27 #include "torture/torture.h"
  28
  29 /*
  30   basic testing of udp routines
  31 */
  32 static bool test_udp(struct torture_context *tctx)
  33 {
  34         struct socket_context *sock1, *sock2;
  35         NTSTATUS status;
  36         struct socket_address *srv_addr, *from_addr, *localhost;
  37         size_t size = 100 + (random() % 100);
  38         DATA_BLOB blob, blob2;
  39         size_t sent, nread;
  40         TALLOC_CTX *mem_ctx = tctx;
  41
  42         status = socket_create("ip", SOCKET_TYPE_DGRAM, &sock1, 0);
  43         torture_assert_ntstatus_ok(tctx, status, "creating DGRAM IP socket 1");
  44         talloc_steal(mem_ctx, sock1);
  45
  46         status = socket_create("ip", SOCKET_TYPE_DGRAM, &sock2, 0);
  47         torture_assert_ntstatus_ok(tctx, status, "creating DGRAM IP socket 1");
  48         talloc_steal(mem_ctx, sock2);
  49
  50         localhost = socket_address_from_strings(sock1, sock1->backend_name,
  51                                                 iface_best_ip(tctx->lp_ctx, "127.0.0.1"), 0);
  52
  53         torture_assert(tctx, localhost, "Localhost not found");
  54
  55         status = socket_listen(sock1, localhost, 0, 0);
  56         torture_assert_ntstatus_ok(tctx, status, "listen on socket 1");
  57
  58         srv_addr = socket_get_my_addr(sock1, mem_ctx);
  59         torture_assert(tctx, srv_addr != NULL &&
  60                        strcmp(srv_addr->addr, iface_best_ip(tctx->lp_ctx, "127.0.0.1")) == 0,
  61                                    talloc_asprintf(tctx,
  62                 "Expected server address of %s but got %s",
  63                       iface_best_ip(tctx->lp_ctx, "127.0.0.1"), srv_addr ? srv_addr->addr : NULL));
  64
  65         torture_comment(tctx, "server port is %d\n", srv_addr->port);
  66
  67         blob  = data_blob_talloc(mem_ctx, NULL, size);
  68         blob2 = data_blob_talloc(mem_ctx, NULL, size);
  69         generate_random_buffer(blob.data, blob.length);
  70
  71         sent = size;
  72         status = socket_sendto(sock2, &blob, &sent, srv_addr);
  73         torture_assert_ntstatus_ok(tctx, status, "sendto() on socket 2");
  74
  75         status = socket_recvfrom(sock1, blob2.data, size, &nread,
  76                                  sock1, &from_addr);
  77         torture_assert_ntstatus_ok(tctx, status, "recvfrom() on socket 1");
  78
  79         torture_assert_str_equal(tctx, from_addr->addr, srv_addr->addr,
  80                                                          "different address");
  81
  82         torture_assert_int_equal(tctx, nread, size, "Unexpected recvfrom size");
  83
  84         torture_assert(tctx, memcmp(blob2.data, blob.data, size) == 0,
  85                 "Bad data in recvfrom");
  86
  87         generate_random_buffer(blob.data, blob.length);
  88         status = socket_sendto(sock1, &blob, &sent, from_addr);
  89         torture_assert_ntstatus_ok(tctx, status, "sendto() on socket 1");
  90
  91         status = socket_recvfrom(sock2, blob2.data, size, &nread,
  92                                  sock2, &from_addr);
  93         torture_assert_ntstatus_ok(tctx, status, "recvfrom() on socket 2");
  94         torture_assert_str_equal(tctx, from_addr->addr, srv_addr->addr,
  95                                                          "Unexpected recvfrom addr");
  96
  97         torture_assert_int_equal(tctx, nread, size, "Unexpected recvfrom size");
  98
  99         torture_assert_int_equal(tctx, from_addr->port, srv_addr->port,
 100                                    "Unexpected recvfrom port");
 101
 102         torture_assert(tctx, memcmp(blob2.data, blob.data, size) == 0,
 103                 "Bad data in recvfrom");
 104
 105         talloc_free(sock1);
 106         talloc_free(sock2);
 107         return true;
 108 }
 109
 110 /*
 111   basic testing of tcp routines
 112 */
 113 static bool test_tcp(struct torture_context *tctx)
 114 {
 115         struct socket_context *sock1, *sock2, *sock3;
 116         NTSTATUS status;
 117         struct socket_address *srv_addr, *from_addr, *localhost;
 118         size_t size = 100 + (random() % 100);
 119         DATA_BLOB blob, blob2;
 120         size_t sent, nread;
 121         TALLOC_CTX *mem_ctx = tctx;
 122         struct event_context *ev = event_context_init(mem_ctx);
 123
 124         status = socket_create("ip", SOCKET_TYPE_STREAM, &sock1, 0);
 125         torture_assert_ntstatus_ok(tctx, status, "creating IP stream socket 1");
 126         talloc_steal(mem_ctx, sock1);
 127
 128         status = socket_create("ip", SOCKET_TYPE_STREAM, &sock2, 0);
 129         torture_assert_ntstatus_ok(tctx, status, "creating IP stream socket 1");
 130         talloc_steal(mem_ctx, sock2);
 131
 132         localhost = socket_address_from_strings(sock1, sock1->backend_name,
 133                                                 iface_best_ip(tctx->lp_ctx, "127.0.0.1"), 0);
 134         torture_assert(tctx, localhost, "Localhost not found");
 135
 136         status = socket_listen(sock1, localhost, 0, 0);
 137         torture_assert_ntstatus_ok(tctx, status, "listen on socket 1");
 138
 139         srv_addr = socket_get_my_addr(sock1, mem_ctx);
 140         torture_assert(tctx, srv_addr && srv_addr->addr,
 141                                    "Unexpected socket_get_my_addr NULL\n");
 142
 143         torture_assert_str_equal(tctx, srv_addr->addr, iface_best_ip(tctx->lp_ctx, "127.0.0.1"),
 144                         "Unexpected server address");
 145
 146         torture_comment(tctx, "server port is %d\n", srv_addr->port);
 147
 148         status = socket_connect_ev(sock2, NULL, srv_addr, 0, ev);
 149         torture_assert_ntstatus_ok(tctx, status, "connect() on socket 2");
 150
 151         status = socket_accept(sock1, &sock3);
 152         torture_assert_ntstatus_ok(tctx, status, "accept() on socket 1");
 153         talloc_steal(mem_ctx, sock3);
 154         talloc_free(sock1);
 155
 156         blob  = data_blob_talloc(mem_ctx, NULL, size);
 157         blob2 = data_blob_talloc(mem_ctx, NULL, size);
 158         generate_random_buffer(blob.data, blob.length);
 159
 160         sent = size;
 161         status = socket_send(sock2, &blob, &sent);
 162         torture_assert_ntstatus_ok(tctx, status, "send() on socket 2");
 163
 164         status = socket_recv(sock3, blob2.data, size, &nread);
 165         torture_assert_ntstatus_ok(tctx, status, "recv() on socket 3");
 166
 167         from_addr = socket_get_peer_addr(sock3, mem_ctx);
 168
 169         torture_assert(tctx, from_addr && from_addr->addr,
 170                 "Unexpected recvfrom addr NULL");
 171
 172         torture_assert_str_equal(tctx, from_addr->addr, srv_addr->addr,
 173                                                          "Unexpected recvfrom addr");
 174
 175         torture_assert_int_equal(tctx, nread, size, "Unexpected recvfrom size");
 176
 177         torture_assert(tctx, memcmp(blob2.data, blob.data, size) == 0,
 178                                    "Bad data in recv");
 179         return true;
 180 }
 181
 182 struct torture_suite *torture_local_socket(TALLOC_CTX *mem_ctx)
 183 {
 184         struct torture_suite *suite = torture_suite_create(mem_ctx,
 185                                                                                                            "SOCKET");
 186
 187         torture_suite_add_simple_test(suite, "udp", test_udp);
 188         torture_suite_add_simple_test(suite, "tcp", test_tcp);
 189
 190         return suite;
 191 }