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 "param/param.h"
  29 #include "libcli/resolve/resolve.h"
  30
  31 /**
  32   basic testing of udp routines
  33 */
  34 static bool test_udp(struct torture_context *tctx)
  35 {
  36         struct socket_context *sock1, *sock2;
  37         NTSTATUS status;
  38         struct socket_address *srv_addr, *from_addr, *localhost;
  39         size_t size = 100 + (random() % 100);
  40         DATA_BLOB blob, blob2;
  41         size_t sent, nread;
  42         TALLOC_CTX *mem_ctx = tctx;
  43         struct interface *ifaces;
  44
  45         load_interface_list(tctx, tctx->lp_ctx, &ifaces);
  46
  47         status = socket_create("ip", SOCKET_TYPE_DGRAM, &sock1, 0);
  48         torture_assert_ntstatus_ok(tctx, status, "creating DGRAM IP socket 1");
  49         talloc_steal(mem_ctx, sock1);
  50
  51         status = socket_create("ip", SOCKET_TYPE_DGRAM, &sock2, 0);
  52         torture_assert_ntstatus_ok(tctx, status, "creating DGRAM IP socket 1");
  53         talloc_steal(mem_ctx, sock2);
  54
  55         localhost = socket_address_from_strings(sock1, sock1->backend_name,
  56                                                 iface_list_best_ip(ifaces, "127.0.0.1"), 0);
  57
  58         torture_assert(tctx, localhost, "Localhost not found");
  59
  60         status = socket_listen(sock1, localhost, 0, 0);
  61         torture_assert_ntstatus_ok(tctx, status, "listen on socket 1");
  62
  63         srv_addr = socket_get_my_addr(sock1, mem_ctx);
  64         torture_assert(tctx, srv_addr != NULL &&
  65                        strcmp(srv_addr->addr, iface_list_best_ip(ifaces, "127.0.0.1")) == 0,
  66                                    talloc_asprintf(tctx,
  67                 "Expected server address of %s but got %s",
  68                       iface_list_best_ip(ifaces, "127.0.0.1"), srv_addr ? srv_addr->addr : NULL));
  69
  70         torture_comment(tctx, "server port is %d\n", srv_addr->port);
  71
  72         blob  = data_blob_talloc(mem_ctx, NULL, size);
  73         blob2 = data_blob_talloc(mem_ctx, NULL, size);
  74         generate_random_buffer(blob.data, blob.length);
  75
  76         sent = size;
  77         status = socket_sendto(sock2, &blob, &sent, srv_addr);
  78         torture_assert_ntstatus_ok(tctx, status, "sendto() on socket 2");
  79
  80         status = socket_recvfrom(sock1, blob2.data, size, &nread,
  81                                  sock1, &from_addr);
  82         torture_assert_ntstatus_ok(tctx, status, "recvfrom() on socket 1");
  83
  84         torture_assert_str_equal(tctx, from_addr->addr, srv_addr->addr,
  85                                                          "different address");
  86
  87         torture_assert_int_equal(tctx, nread, size, "Unexpected recvfrom size");
  88
  89         torture_assert_mem_equal(tctx, blob2.data, blob.data, size,
  90                 "Bad data in recvfrom");
  91
  92         generate_random_buffer(blob.data, blob.length);
  93         status = socket_sendto(sock1, &blob, &sent, from_addr);
  94         torture_assert_ntstatus_ok(tctx, status, "sendto() on socket 1");
  95
  96         status = socket_recvfrom(sock2, blob2.data, size, &nread,
  97                                  sock2, &from_addr);
  98         torture_assert_ntstatus_ok(tctx, status, "recvfrom() on socket 2");
  99         torture_assert_str_equal(tctx, from_addr->addr, srv_addr->addr,
 100                                                          "Unexpected recvfrom addr");
 101
 102         torture_assert_int_equal(tctx, nread, size, "Unexpected recvfrom size");
 103
 104         torture_assert_int_equal(tctx, from_addr->port, srv_addr->port,
 105                                    "Unexpected recvfrom port");
 106
 107         torture_assert_mem_equal(tctx, blob2.data, blob.data, size,
 108                 "Bad data in recvfrom");
 109
 110         talloc_free(sock1);
 111         talloc_free(sock2);
 112         return true;
 113 }
 114
 115 /*
 116   basic testing of tcp routines
 117 */
 118 static bool test_tcp(struct torture_context *tctx)
 119 {
 120         struct socket_context *sock1, *sock2, *sock3;
 121         NTSTATUS status;
 122         struct socket_address *srv_addr, *from_addr, *localhost;
 123         size_t size = 100 + (random() % 100);
 124         DATA_BLOB blob, blob2;
 125         size_t sent, nread;
 126         TALLOC_CTX *mem_ctx = tctx;
 127         struct tevent_context *ev = tctx->ev;
 128         struct interface *ifaces;
 129
 130         status = socket_create("ip", SOCKET_TYPE_STREAM, &sock1, 0);
 131         torture_assert_ntstatus_ok(tctx, status, "creating IP stream socket 1");
 132         talloc_steal(mem_ctx, sock1);
 133
 134         status = socket_create("ip", SOCKET_TYPE_STREAM, &sock2, 0);
 135         torture_assert_ntstatus_ok(tctx, status, "creating IP stream socket 1");
 136         talloc_steal(mem_ctx, sock2);
 137
 138         load_interface_list(tctx, tctx->lp_ctx, &ifaces);
 139         localhost = socket_address_from_strings(sock1, sock1->backend_name,
 140                                                 iface_list_best_ip(ifaces, "127.0.0.1"), 0);
 141         torture_assert(tctx, localhost, "Localhost not found");
 142
 143         status = socket_listen(sock1, localhost, 0, 0);
 144         torture_assert_ntstatus_ok(tctx, status, "listen on socket 1");
 145
 146         srv_addr = socket_get_my_addr(sock1, mem_ctx);
 147         torture_assert(tctx, srv_addr && srv_addr->addr,
 148                                    "Unexpected socket_get_my_addr NULL\n");
 149
 150         torture_assert_str_equal(tctx, srv_addr->addr, iface_list_best_ip(ifaces, "127.0.0.1"),
 151                         "Unexpected server address");
 152
 153         torture_comment(tctx, "server port is %d\n", srv_addr->port);
 154
 155         status = socket_connect_ev(sock2, NULL, srv_addr, 0, ev);
 156         torture_assert_ntstatus_ok(tctx, status, "connect() on socket 2");
 157
 158         status = socket_accept(sock1, &sock3);
 159         torture_assert_ntstatus_ok(tctx, status, "accept() on socket 1");
 160         talloc_steal(mem_ctx, sock3);
 161         talloc_free(sock1);
 162
 163         blob  = data_blob_talloc(mem_ctx, NULL, size);
 164         blob2 = data_blob_talloc(mem_ctx, NULL, size);
 165         generate_random_buffer(blob.data, blob.length);
 166
 167         sent = size;
 168         status = socket_send(sock2, &blob, &sent);
 169         torture_assert_ntstatus_ok(tctx, status, "send() on socket 2");
 170
 171         status = socket_recv(sock3, blob2.data, size, &nread);
 172         torture_assert_ntstatus_ok(tctx, status, "recv() on socket 3");
 173
 174         from_addr = socket_get_peer_addr(sock3, mem_ctx);
 175
 176         torture_assert(tctx, from_addr && from_addr->addr,
 177                 "Unexpected recvfrom addr NULL");
 178
 179         torture_assert_str_equal(tctx, from_addr->addr, srv_addr->addr,
 180                                                          "Unexpected recvfrom addr");
 181
 182         torture_assert_int_equal(tctx, nread, size, "Unexpected recvfrom size");
 183
 184         torture_assert_mem_equal(tctx, blob2.data, blob.data, size,
 185                                    "Bad data in recv");
 186         return true;
 187 }
 188
 189 struct torture_suite *torture_local_socket(TALLOC_CTX *mem_ctx)
 190 {
 191         struct torture_suite *suite = torture_suite_create(mem_ctx, "socket");
 192
 193         torture_suite_add_simple_test(suite, "udp", test_udp);
 194         torture_suite_add_simple_test(suite, "tcp", test_tcp);
 195
 196         return suite;
 197 }