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 #include "torture/local/proto.h"
  29 #include "param/param.h"
  30 #include "libcli/resolve/resolve.h"
  31
  32 /**
  33   basic testing of udp routines
  34 */
  35 static bool test_udp(struct torture_context *tctx)
  36 {
  37         struct socket_context *sock1, *sock2;
  38         NTSTATUS status;
  39         struct socket_address *srv_addr, *from_addr, *localhost;
  40         size_t size = 100 + (random() % 100);
  41         DATA_BLOB blob, blob2;
  42         size_t sent, nread;
  43         TALLOC_CTX *mem_ctx = tctx;
  44         struct interface *ifaces;
  45
  46         load_interface_list(tctx, tctx->lp_ctx, &ifaces);
  47
  48         status = socket_create(mem_ctx, "ip", SOCKET_TYPE_DGRAM, &sock1, 0);
  49         torture_assert_ntstatus_ok(tctx, status, "creating DGRAM IP socket 1");
  50
  51         status = socket_create(mem_ctx, "ip", SOCKET_TYPE_DGRAM, &sock2, 0);
  52         torture_assert_ntstatus_ok(tctx, status, "creating DGRAM IP socket 1");
  53
  54         localhost = socket_address_from_strings(sock1, sock1->backend_name,
  55                                                 iface_list_best_ip(ifaces, "127.0.0.1"), 0);
  56
  57         torture_assert(tctx, localhost, "Localhost not found");
  58
  59         status = socket_listen(sock1, localhost, 0, 0);
  60         torture_assert_ntstatus_ok(tctx, status, "listen on socket 1");
  61
  62         srv_addr = socket_get_my_addr(sock1, mem_ctx);
  63         torture_assert(tctx, srv_addr != NULL &&
  64                        strcmp(srv_addr->addr, iface_list_best_ip(ifaces, "127.0.0.1")) == 0,
  65                                    talloc_asprintf(tctx,
  66                 "Expected server address of %s but got %s",
  67                       iface_list_best_ip(ifaces, "127.0.0.1"), srv_addr ? srv_addr->addr : NULL));
  68
  69         torture_comment(tctx, "server port is %d\n", srv_addr->port);
  70
  71         blob  = data_blob_talloc(mem_ctx, NULL, size);
  72         blob2 = data_blob_talloc(mem_ctx, NULL, size);
  73         generate_random_buffer(blob.data, blob.length);
  74
  75         sent = size;
  76         status = socket_sendto(sock2, &blob, &sent, srv_addr);
  77         torture_assert_ntstatus_ok(tctx, status, "sendto() on socket 2");
  78
  79         status = socket_recvfrom(sock1, blob2.data, size, &nread,
  80                                  sock1, &from_addr);
  81         torture_assert_ntstatus_ok(tctx, status, "recvfrom() on socket 1");
  82
  83         torture_assert_str_equal(tctx, from_addr->addr, srv_addr->addr,
  84                                                          "different address");
  85
  86         torture_assert_int_equal(tctx, nread, size, "Unexpected recvfrom size");
  87
  88         torture_assert_mem_equal(tctx, blob2.data, blob.data, size,
  89                 "Bad data in recvfrom");
  90
  91         generate_random_buffer(blob.data, blob.length);
  92         status = socket_sendto(sock1, &blob, &sent, from_addr);
  93         torture_assert_ntstatus_ok(tctx, status, "sendto() on socket 1");
  94
  95         status = socket_recvfrom(sock2, blob2.data, size, &nread,
  96                                  sock2, &from_addr);
  97         torture_assert_ntstatus_ok(tctx, status, "recvfrom() on socket 2");
  98         torture_assert_str_equal(tctx, from_addr->addr, srv_addr->addr,
  99                                                          "Unexpected recvfrom addr");
 100
 101         torture_assert_int_equal(tctx, nread, size, "Unexpected recvfrom size");
 102
 103         torture_assert_int_equal(tctx, from_addr->port, srv_addr->port,
 104                                    "Unexpected recvfrom port");
 105
 106         torture_assert_mem_equal(tctx, blob2.data, blob.data, size,
 107                 "Bad data in recvfrom");
 108
 109         talloc_free(sock1);
 110         talloc_free(sock2);
 111         return true;
 112 }
 113
 114 /*
 115   basic testing of tcp routines
 116 */
 117 static bool test_tcp(struct torture_context *tctx)
 118 {
 119         struct socket_context *sock1, *sock2, *sock3;
 120         NTSTATUS status;
 121         struct socket_address *srv_addr, *from_addr, *localhost;
 122         size_t size = 100 + (random() % 100);
 123         DATA_BLOB blob, blob2;
 124         size_t sent, nread;
 125         TALLOC_CTX *mem_ctx = tctx;
 126         struct tevent_context *ev = tctx->ev;
 127         struct interface *ifaces;
 128
 129         status = socket_create(mem_ctx, "ip", SOCKET_TYPE_STREAM, &sock1, 0);
 130         torture_assert_ntstatus_ok(tctx, status, "creating IP stream socket 1");
 131
 132         status = socket_create(mem_ctx, "ip", SOCKET_TYPE_STREAM, &sock2, 0);
 133         torture_assert_ntstatus_ok(tctx, status, "creating IP stream socket 1");
 134
 135         load_interface_list(tctx, tctx->lp_ctx, &ifaces);
 136         localhost = socket_address_from_strings(sock1, sock1->backend_name,
 137                                                 iface_list_best_ip(ifaces, "127.0.0.1"), 0);
 138         torture_assert(tctx, localhost, "Localhost not found");
 139
 140         status = socket_listen(sock1, localhost, 0, 0);
 141         torture_assert_ntstatus_ok(tctx, status, "listen on socket 1");
 142
 143         srv_addr = socket_get_my_addr(sock1, mem_ctx);
 144         torture_assert(tctx, srv_addr && srv_addr->addr,
 145                                    "Unexpected socket_get_my_addr NULL\n");
 146
 147         torture_assert_str_equal(tctx, srv_addr->addr, iface_list_best_ip(ifaces, "127.0.0.1"),
 148                         "Unexpected server address");
 149
 150         torture_comment(tctx, "server port is %d\n", srv_addr->port);
 151
 152         status = socket_connect_ev(sock2, NULL, srv_addr, 0, ev);
 153         torture_assert_ntstatus_ok(tctx, status, "connect() on socket 2");
 154
 155         status = socket_accept(sock1, &sock3);
 156         torture_assert_ntstatus_ok(tctx, status, "accept() on socket 1");
 157         talloc_steal(mem_ctx, sock3);
 158         talloc_free(sock1);
 159
 160         blob  = data_blob_talloc(mem_ctx, NULL, size);
 161         blob2 = data_blob_talloc(mem_ctx, NULL, size);
 162         generate_random_buffer(blob.data, blob.length);
 163
 164         sent = size;
 165         status = socket_send(sock2, &blob, &sent);
 166         torture_assert_ntstatus_ok(tctx, status, "send() on socket 2");
 167
 168         status = socket_recv(sock3, blob2.data, size, &nread);
 169         torture_assert_ntstatus_ok(tctx, status, "recv() on socket 3");
 170
 171         from_addr = socket_get_peer_addr(sock3, mem_ctx);
 172
 173         torture_assert(tctx, from_addr && from_addr->addr,
 174                 "Unexpected recvfrom addr NULL");
 175
 176         torture_assert_str_equal(tctx, from_addr->addr, srv_addr->addr,
 177                                                          "Unexpected recvfrom addr");
 178
 179         torture_assert_int_equal(tctx, nread, size, "Unexpected recvfrom size");
 180
 181         torture_assert_mem_equal(tctx, blob2.data, blob.data, size,
 182                                    "Bad data in recv");
 183         return true;
 184 }
 185
 186 struct torture_suite *torture_local_socket(TALLOC_CTX *mem_ctx)
 187 {
 188         struct torture_suite *suite = torture_suite_create(mem_ctx, "socket");
 189
 190         torture_suite_add_simple_test(suite, "udp", test_udp);
 191         torture_suite_add_simple_test(suite, "tcp", test_tcp);
 192
 193         return suite;
 194 }