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1 /* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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2 *
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3 * Permission is hereby granted, free of charge, to any person obtaining a copy
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4 * of this software and associated documentation files (the "Software"), to
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5 * deal in the Software without restriction, including without limitation the
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6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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7 * sell copies of the Software, and to permit persons to whom the Software is
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8 * furnished to do so, subject to the following conditions:
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9 *
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10 * The above copyright notice and this permission notice shall be included in
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11 * all copies or substantial portions of the Software.
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12 *
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13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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19 * IN THE SOFTWARE.
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20 */
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21
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22 #include "uv.h"
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23 #include "task.h"
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24 #include <stdio.h>
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25 #include <stdlib.h>
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26
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27
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28 static int connect_cb_called = 0;
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29 static int close_cb_called = 0;
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30
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31
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32 static void close_cb(uv_handle_t* handle) {
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33 ASSERT_NOT_NULL(handle);
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34 close_cb_called++;
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35 }
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36
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37
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38 static void connect_cb(uv_connect_t* req, int status) {
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39 ASSERT_EQ(status, UV_EADDRINUSE);
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40 uv_close((uv_handle_t*) req->handle, close_cb);
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41 connect_cb_called++;
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42 }
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43
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44
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45 TEST_IMPL(tcp_bind_error_addrinuse_connect) {
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46 struct sockaddr_in addr;
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47 int addrlen;
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48 uv_connect_t req;
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49 uv_tcp_t conn;
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50
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51 /* 127.0.0.1:<TEST_PORT> is already taken by tcp4_echo_server running in
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52 * another process. uv_tcp_bind() and uv_tcp_connect() should still succeed
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53 * (greatest common denominator across platforms) but the connect callback
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54 * should receive an UV_EADDRINUSE error.
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55 */
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56 ASSERT_OK(uv_tcp_init(uv_default_loop(), &conn));
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57 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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58 ASSERT_OK(uv_tcp_bind(&conn, (const struct sockaddr*) &addr, 0));
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59
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60 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT + 1, &addr));
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61 ASSERT_OK(uv_tcp_connect(&req,
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62 &conn,
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63 (const struct sockaddr*) &addr,
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64 connect_cb));
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65
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66 addrlen = sizeof(addr);
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67 ASSERT_EQ(UV_EADDRINUSE, uv_tcp_getsockname(&conn,
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68 (struct sockaddr*) &addr,
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69 &addrlen));
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70
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71 ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
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72 ASSERT_EQ(1, connect_cb_called);
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73 ASSERT_EQ(1, close_cb_called);
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74
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75 MAKE_VALGRIND_HAPPY(uv_default_loop());
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76 return 0;
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77 }
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78
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79
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80 TEST_IMPL(tcp_bind_error_addrinuse_listen) {
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81 struct sockaddr_in addr;
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82 uv_tcp_t server1, server2;
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83 int r;
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84
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85 ASSERT_OK(uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
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86 r = uv_tcp_init(uv_default_loop(), &server1);
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87 ASSERT_OK(r);
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88 r = uv_tcp_bind(&server1, (const struct sockaddr*) &addr, 0);
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89 ASSERT_OK(r);
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90
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91 r = uv_tcp_init(uv_default_loop(), &server2);
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92 ASSERT_OK(r);
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93 r = uv_tcp_bind(&server2, (const struct sockaddr*) &addr, 0);
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94 ASSERT_OK(r);
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95
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96 r = uv_listen((uv_stream_t*)&server1, 128, NULL);
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97 ASSERT_OK(r);
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98 r = uv_listen((uv_stream_t*)&server2, 128, NULL);
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99 ASSERT_EQ(r, UV_EADDRINUSE);
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100
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101 uv_close((uv_handle_t*)&server1, close_cb);
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102 uv_close((uv_handle_t*)&server2, close_cb);
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103
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104 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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105
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106 ASSERT_EQ(2, close_cb_called);
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107
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108 MAKE_VALGRIND_HAPPY(uv_default_loop());
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109 return 0;
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110 }
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111
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112
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113 TEST_IMPL(tcp_bind_error_addrnotavail_1) {
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114 struct sockaddr_in addr;
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115 uv_tcp_t server;
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116 int r;
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117
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118 ASSERT_OK(uv_ip4_addr("127.255.255.255", TEST_PORT, &addr));
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119
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120 r = uv_tcp_init(uv_default_loop(), &server);
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121 ASSERT_OK(r);
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122
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123 /* It seems that Linux is broken here - bind succeeds. */
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124 r = uv_tcp_bind(&server, (const struct sockaddr*) &addr, 0);
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125 ASSERT(r == 0 || r == UV_EADDRNOTAVAIL);
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126
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127 uv_close((uv_handle_t*)&server, close_cb);
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128
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129 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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130
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131 ASSERT_EQ(1, close_cb_called);
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132
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133 MAKE_VALGRIND_HAPPY(uv_default_loop());
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134 return 0;
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135 }
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136
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137
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138 TEST_IMPL(tcp_bind_error_addrnotavail_2) {
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139 struct sockaddr_in addr;
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140 uv_tcp_t server;
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141 int r;
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142
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143 ASSERT_OK(uv_ip4_addr("4.4.4.4", TEST_PORT, &addr));
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144
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145 r = uv_tcp_init(uv_default_loop(), &server);
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146 ASSERT_OK(r);
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147 r = uv_tcp_bind(&server, (const struct sockaddr*) &addr, 0);
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148 ASSERT_EQ(r, UV_EADDRNOTAVAIL);
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149
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150 uv_close((uv_handle_t*)&server, close_cb);
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151
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152 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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153
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154 ASSERT_EQ(1, close_cb_called);
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155
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156 MAKE_VALGRIND_HAPPY(uv_default_loop());
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157 return 0;
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158 }
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159
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160
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161 TEST_IMPL(tcp_bind_error_fault) {
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162 char garbage[] =
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163 "blah blah blah blah blah blah blah blah blah blah blah blah";
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164 struct sockaddr_in* garbage_addr;
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165 uv_tcp_t server;
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166 int r;
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167
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168 garbage_addr = (struct sockaddr_in*) &garbage;
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169
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170 r = uv_tcp_init(uv_default_loop(), &server);
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171 ASSERT_OK(r);
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172 r = uv_tcp_bind(&server, (const struct sockaddr*) garbage_addr, 0);
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173 ASSERT_EQ(r, UV_EINVAL);
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174
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175 uv_close((uv_handle_t*)&server, close_cb);
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176
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177 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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178
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179 ASSERT_EQ(1, close_cb_called);
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180
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181 MAKE_VALGRIND_HAPPY(uv_default_loop());
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182 return 0;
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183 }
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184
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185 /* Notes: On Linux uv_bind(server, NULL) will segfault the program. */
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186
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187 TEST_IMPL(tcp_bind_error_inval) {
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188 struct sockaddr_in addr1;
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189 struct sockaddr_in addr2;
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190 uv_tcp_t server;
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191 int r;
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192
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193 ASSERT_OK(uv_ip4_addr("0.0.0.0", TEST_PORT, &addr1));
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194 ASSERT_OK(uv_ip4_addr("0.0.0.0", TEST_PORT_2, &addr2));
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195
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196 r = uv_tcp_init(uv_default_loop(), &server);
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197 ASSERT_OK(r);
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198 r = uv_tcp_bind(&server, (const struct sockaddr*) &addr1, 0);
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199 ASSERT_OK(r);
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200 r = uv_tcp_bind(&server, (const struct sockaddr*) &addr2, 0);
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201 ASSERT_EQ(r, UV_EINVAL);
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202
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203 uv_close((uv_handle_t*)&server, close_cb);
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204
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205 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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206
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207 ASSERT_EQ(1, close_cb_called);
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208
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209 MAKE_VALGRIND_HAPPY(uv_default_loop());
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210 return 0;
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211 }
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212
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213
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214 TEST_IMPL(tcp_bind_localhost_ok) {
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215 struct sockaddr_in addr;
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216 uv_tcp_t server;
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217 int r;
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218
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219 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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220
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221 r = uv_tcp_init(uv_default_loop(), &server);
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222 ASSERT_OK(r);
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223 r = uv_tcp_bind(&server, (const struct sockaddr*) &addr, 0);
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224 ASSERT_OK(r);
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225
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226 MAKE_VALGRIND_HAPPY(uv_default_loop());
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227 return 0;
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228 }
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229
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230
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231 TEST_IMPL(tcp_bind_invalid_flags) {
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232 struct sockaddr_in addr;
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233 uv_tcp_t server;
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234 int r;
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235
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236 ASSERT_OK(uv_ip4_addr("127.0.0.1", TEST_PORT, &addr));
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237
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238 r = uv_tcp_init(uv_default_loop(), &server);
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239 ASSERT_OK(r);
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240 r = uv_tcp_bind(&server, (const struct sockaddr*) &addr, UV_TCP_IPV6ONLY);
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241 ASSERT_EQ(r, UV_EINVAL);
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242
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243 MAKE_VALGRIND_HAPPY(uv_default_loop());
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244 return 0;
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245 }
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246
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247
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248 TEST_IMPL(tcp_listen_without_bind) {
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249 int r;
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250 uv_tcp_t server;
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251
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252 r = uv_tcp_init(uv_default_loop(), &server);
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253 ASSERT_OK(r);
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254 r = uv_listen((uv_stream_t*)&server, 128, NULL);
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255 ASSERT_OK(r);
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256
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257 MAKE_VALGRIND_HAPPY(uv_default_loop());
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258 return 0;
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259 }
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260
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261
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262 TEST_IMPL(tcp_bind_writable_flags) {
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263 struct sockaddr_in addr;
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264 uv_tcp_t server;
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265 uv_buf_t buf;
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266 uv_write_t write_req;
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267 uv_shutdown_t shutdown_req;
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268 int r;
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269
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270 ASSERT_OK(uv_ip4_addr("0.0.0.0", TEST_PORT, &addr));
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271 r = uv_tcp_init(uv_default_loop(), &server);
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272 ASSERT_OK(r);
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273 r = uv_tcp_bind(&server, (const struct sockaddr*) &addr, 0);
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274 ASSERT_OK(r);
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275 r = uv_listen((uv_stream_t*)&server, 128, NULL);
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276 ASSERT_OK(r);
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277
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278 ASSERT_OK(uv_is_writable((uv_stream_t*) &server));
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279 ASSERT_OK(uv_is_readable((uv_stream_t*) &server));
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280
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281 buf = uv_buf_init("PING", 4);
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282 r = uv_write(&write_req, (uv_stream_t*) &server, &buf, 1, NULL);
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283 ASSERT_EQ(r, UV_EPIPE);
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284 r = uv_shutdown(&shutdown_req, (uv_stream_t*) &server, NULL);
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285 ASSERT_EQ(r, UV_ENOTCONN);
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286 r = uv_read_start((uv_stream_t*) &server,
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287 (uv_alloc_cb) abort,
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288 (uv_read_cb) abort);
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289 ASSERT_EQ(r, UV_ENOTCONN);
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290
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291 uv_close((uv_handle_t*)&server, close_cb);
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292
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293 uv_run(uv_default_loop(), UV_RUN_DEFAULT);
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294
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295 ASSERT_EQ(1, close_cb_called);
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296
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297 MAKE_VALGRIND_HAPPY(uv_default_loop());
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298 return 0;
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299 }
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300
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301 TEST_IMPL(tcp_bind_or_listen_error_after_close) {
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302 uv_tcp_t tcp;
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303 struct sockaddr_in addr;
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304
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305 memset(&addr, 0, sizeof(addr));
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306 addr.sin_addr.s_addr = htonl(INADDR_ANY);
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307 addr.sin_port = htons(9999);
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308 addr.sin_family = AF_INET;
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309
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310 ASSERT_OK(uv_tcp_init(uv_default_loop(), &tcp));
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311 uv_close((uv_handle_t*) &tcp, NULL);
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312 ASSERT_EQ(uv_tcp_bind(&tcp, (struct sockaddr*) &addr, 0), UV_EINVAL);
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313 ASSERT_EQ(uv_listen((uv_stream_t*) &tcp, 5, NULL), UV_EINVAL);
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314 ASSERT_OK(uv_run(uv_default_loop(), UV_RUN_DEFAULT));
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315 MAKE_VALGRIND_HAPPY(uv_default_loop());
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316 return 0;
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317 }
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