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290
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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5
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6
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7 #include <ngx_config.h>
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8 #include <ngx_core.h>
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9 #include <ngx_event.h>
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10 #include <ngx_mail.h>
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11
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12
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13 static void ngx_mail_init_session(ngx_connection_t *c);
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14
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15 #if (NGX_MAIL_SSL)
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16 static void ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c);
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17 static void ngx_mail_ssl_handshake_handler(ngx_connection_t *c);
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18 #endif
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19
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20
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21 void
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22 ngx_mail_init_connection(ngx_connection_t *c)
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23 {
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24 in_addr_t in_addr;
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25 socklen_t len;
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26 ngx_uint_t i;
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27 struct sockaddr_in sin;
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28 ngx_mail_log_ctx_t *ctx;
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486
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29 ngx_mail_in_port_t *mip;
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30 ngx_mail_in_addr_t *mia;
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290
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31 ngx_mail_session_t *s;
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32
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33 /* find the server configuration for the address:port */
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34
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35 /* AF_INET only */
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36
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486
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37 mip = c->listening->servers;
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38 mia = mip->addrs;
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290
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39
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40 i = 0;
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41
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486
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42 if (mip->naddrs > 1) {
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290
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43
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44 /*
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45 * There are several addresses on this port and one of them
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46 * is the "*:port" wildcard so getsockname() is needed to determine
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47 * the server address.
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48 *
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49 * AcceptEx() already gave this address.
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50 */
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51
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52 #if (NGX_WIN32)
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53 if (c->local_sockaddr) {
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54 in_addr =
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55 ((struct sockaddr_in *) c->local_sockaddr)->sin_addr.s_addr;
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56
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57 } else
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58 #endif
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59 {
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60 len = sizeof(struct sockaddr_in);
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61 if (getsockname(c->fd, (struct sockaddr *) &sin, &len) == -1) {
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62 ngx_connection_error(c, ngx_socket_errno,
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63 "getsockname() failed");
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64 ngx_mail_close_connection(c);
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65 return;
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66 }
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67
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68 in_addr = sin.sin_addr.s_addr;
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69 }
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70
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71 /* the last address is "*" */
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72
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486
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73 for ( /* void */ ; i < mip->naddrs - 1; i++) {
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74 if (in_addr == mia[i].addr) {
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290
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75 break;
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76 }
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77 }
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78 }
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79
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80
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81 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t));
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82 if (s == NULL) {
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83 ngx_mail_close_connection(c);
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84 return;
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85 }
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86
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486
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87 s->main_conf = mia[i].ctx->main_conf;
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88 s->srv_conf = mia[i].ctx->srv_conf;
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290
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89
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486
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90 s->addr_text = &mia[i].addr_text;
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290
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91
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92 c->data = s;
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93 s->connection = c;
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94
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95 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%ui client %V connected to %V",
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96 c->number, &c->addr_text, s->addr_text);
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97
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98 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t));
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99 if (ctx == NULL) {
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100 ngx_mail_close_connection(c);
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101 return;
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102 }
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103
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104 ctx->client = &c->addr_text;
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105 ctx->session = s;
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106
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107 c->log->connection = c->number;
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108 c->log->handler = ngx_mail_log_error;
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109 c->log->data = ctx;
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110 c->log->action = "sending client greeting line";
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111
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112 c->log_error = NGX_ERROR_INFO;
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113
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114 #if (NGX_MAIL_SSL)
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356
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115 {
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116 ngx_mail_ssl_conf_t *sslcf;
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290
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117
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118 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module);
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119
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120 if (sslcf->enable) {
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404
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121 c->log->action = "SSL handshaking";
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122
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290
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123 ngx_mail_ssl_init_connection(&sslcf->ssl, c);
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124 return;
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125 }
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404
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126
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486
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127 if (mia[i].ssl) {
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404
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128
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129 c->log->action = "SSL handshaking";
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130
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131 if (sslcf->ssl.ctx == NULL) {
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132 ngx_log_error(NGX_LOG_ERR, c->log, 0,
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133 "no \"ssl_certificate\" is defined "
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134 "in server listening on SSL port");
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135 ngx_mail_close_connection(c);
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136 return;
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137 }
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138
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139 ngx_mail_ssl_init_connection(&sslcf->ssl, c);
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140 return;
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141 }
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142
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356
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143 }
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290
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144 #endif
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145
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146 ngx_mail_init_session(c);
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147 }
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148
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149
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150 #if (NGX_MAIL_SSL)
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151
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336
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152 void
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290
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153 ngx_mail_starttls_handler(ngx_event_t *rev)
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154 {
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155 ngx_connection_t *c;
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156 ngx_mail_session_t *s;
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157 ngx_mail_ssl_conf_t *sslcf;
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158
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159 c = rev->data;
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160 s = c->data;
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161 s->starttls = 1;
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162
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163 c->log->action = "in starttls state";
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164
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165 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module);
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166
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167 ngx_mail_ssl_init_connection(&sslcf->ssl, c);
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168 }
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169
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170
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171 static void
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172 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c)
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173 {
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174 ngx_mail_session_t *s;
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175 ngx_mail_core_srv_conf_t *cscf;
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176
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177 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) {
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178 ngx_mail_close_connection(c);
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179 return;
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180 }
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181
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182 if (ngx_ssl_handshake(c) == NGX_AGAIN) {
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183
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184 s = c->data;
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185
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186 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);
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187
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188 ngx_add_timer(c->read, cscf->timeout);
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189
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190 c->ssl->handler = ngx_mail_ssl_handshake_handler;
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191
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192 return;
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193 }
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194
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195 ngx_mail_ssl_handshake_handler(c);
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196 }
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197
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198
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199 static void
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200 ngx_mail_ssl_handshake_handler(ngx_connection_t *c)
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201 {
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336
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202 ngx_mail_session_t *s;
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203 ngx_mail_core_srv_conf_t *cscf;
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290
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204
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205 if (c->ssl->handshaked) {
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206
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207 s = c->data;
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208
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209 if (s->starttls) {
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336
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210 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);
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211
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212 c->read->handler = cscf->protocol->init_protocol;
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290
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213 c->write->handler = ngx_mail_send;
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214
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336
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215 cscf->protocol->init_protocol(c->read);
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290
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216
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217 return;
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218 }
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219
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394
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220 c->read->ready = 0;
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221
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290
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222 ngx_mail_init_session(c);
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223 return;
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224 }
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225
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226 ngx_mail_close_connection(c);
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227 }
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228
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229 #endif
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230
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231
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232 static void
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233 ngx_mail_init_session(ngx_connection_t *c)
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234 {
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235 ngx_mail_session_t *s;
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236 ngx_mail_core_srv_conf_t *cscf;
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237
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238 s = c->data;
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239
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240 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);
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241
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336
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242 s->protocol = cscf->protocol->type;
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290
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243
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244 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module);
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245 if (s->ctx == NULL) {
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246 ngx_mail_session_internal_server_error(s);
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247 return;
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248 }
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249
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336
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250 c->write->handler = ngx_mail_send;
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251
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252 cscf->protocol->init_session(s, c);
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253 }
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254
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255
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256 ngx_int_t
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257 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c,
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258 ngx_mail_core_srv_conf_t *cscf)
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259 {
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382
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260 s->salt.data = ngx_pnalloc(c->pool,
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261 sizeof(" <18446744073709551616.@>" CRLF) - 1
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262 + NGX_TIME_T_LEN
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263 + cscf->server_name.len);
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336
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264 if (s->salt.data == NULL) {
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265 return NGX_ERROR;
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266 }
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267
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268 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF,
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269 ngx_random(), ngx_time(), &cscf->server_name)
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270 - s->salt.data;
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271
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272 return NGX_OK;
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273 }
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274
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275
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276 #if (NGX_MAIL_SSL)
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277
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278 ngx_int_t
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279 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c)
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280 {
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281 ngx_mail_ssl_conf_t *sslcf;
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282
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283 if (c->ssl) {
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284 return 0;
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285 }
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286
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287 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module);
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288
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289 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) {
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290 return 1;
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291 }
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292
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293 return 0;
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294 }
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290
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295
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336
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296 #endif
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297
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298
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299 ngx_int_t
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300 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n)
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301 {
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302 u_char *p, *last;
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303 ngx_str_t *arg, plain;
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304
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305 arg = s->args.elts;
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306
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307 #if (NGX_DEBUG_MAIL_PASSWD)
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308 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0,
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309 "mail auth plain: \"%V\"", &arg[n]);
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310 #endif
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311
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382
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312 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len));
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336
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313 if (plain.data == NULL){
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314 return NGX_ERROR;
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315 }
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316
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317 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) {
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318 ngx_log_error(NGX_LOG_INFO, c->log, 0,
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319 "client sent invalid base64 encoding in AUTH PLAIN command");
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320 return NGX_MAIL_PARSE_INVALID_COMMAND;
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321 }
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322
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323 p = plain.data;
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324 last = p + plain.len;
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325
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326 while (p < last && *p++) { /* void */ }
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327
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328 if (p == last) {
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329 ngx_log_error(NGX_LOG_INFO, c->log, 0,
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330 "client sent invalid login in AUTH PLAIN command");
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331 return NGX_MAIL_PARSE_INVALID_COMMAND;
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332 }
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333
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334 s->login.data = p;
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335
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336 while (p < last && *p) { p++; }
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337
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338 if (p == last) {
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339 ngx_log_error(NGX_LOG_INFO, c->log, 0,
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340 "client sent invalid password in AUTH PLAIN command");
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341 return NGX_MAIL_PARSE_INVALID_COMMAND;
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290
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342 }
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343
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336
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344 s->login.len = p++ - s->login.data;
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345
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346 s->passwd.len = last - p;
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347 s->passwd.data = p;
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348
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349 #if (NGX_DEBUG_MAIL_PASSWD)
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350 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0,
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351 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd);
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352 #endif
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353
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354 return NGX_DONE;
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355 }
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356
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290
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357
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336
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358 ngx_int_t
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444
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359 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c,
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360 ngx_uint_t n)
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336
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361 {
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362 ngx_str_t *arg;
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363
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364 arg = s->args.elts;
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365
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366 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0,
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444
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367 "mail auth login username: \"%V\"", &arg[n]);
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336
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368
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444
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369 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len));
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336
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370 if (s->login.data == NULL){
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371 return NGX_ERROR;
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372 }
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322
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373
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444
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374 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) {
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336
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375 ngx_log_error(NGX_LOG_INFO, c->log, 0,
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376 "client sent invalid base64 encoding in AUTH LOGIN command");
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377 return NGX_MAIL_PARSE_INVALID_COMMAND;
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378 }
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379
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380 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0,
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381 "mail auth login username: \"%V\"", &s->login);
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382
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383 return NGX_OK;
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384 }
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385
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386
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387 ngx_int_t
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388 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c)
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389 {
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390 ngx_str_t *arg;
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391
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392 arg = s->args.elts;
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393
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394 #if (NGX_DEBUG_MAIL_PASSWD)
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395 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0,
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396 "mail auth login password: \"%V\"", &arg[0]);
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397 #endif
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398
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382
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399 s->passwd.data = ngx_pnalloc(c->pool,
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400 ngx_base64_decoded_length(arg[0].len));
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336
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401 if (s->passwd.data == NULL){
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402 return NGX_ERROR;
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403 }
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404
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405 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) {
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406 ngx_log_error(NGX_LOG_INFO, c->log, 0,
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407 "client sent invalid base64 encoding in AUTH LOGIN command");
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408 return NGX_MAIL_PARSE_INVALID_COMMAND;
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409 }
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290
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410
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336
|
411 #if (NGX_DEBUG_MAIL_PASSWD)
|
|
|
412 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0,
|
|
|
413 "mail auth login password: \"%V\"", &s->passwd);
|
|
|
414 #endif
|
|
|
415
|
|
|
416 return NGX_DONE;
|
|
|
417 }
|
|
|
418
|
|
|
419
|
|
|
420 ngx_int_t
|
|
|
421 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c,
|
|
|
422 char *prefix, size_t len)
|
|
|
423 {
|
|
|
424 u_char *p;
|
|
|
425 ngx_str_t salt;
|
|
|
426 ngx_uint_t n;
|
|
|
427
|
|
382
|
428 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2);
|
|
336
|
429 if (p == NULL) {
|
|
|
430 return NGX_ERROR;
|
|
|
431 }
|
|
|
432
|
|
|
433 salt.data = ngx_cpymem(p, prefix, len);
|
|
|
434 s->salt.len -= 2;
|
|
|
435
|
|
|
436 ngx_encode_base64(&salt, &s->salt);
|
|
|
437
|
|
|
438 s->salt.len += 2;
|
|
|
439 n = len + salt.len;
|
|
|
440 p[n++] = CR; p[n++] = LF;
|
|
|
441
|
|
|
442 s->out.len = n;
|
|
|
443 s->out.data = p;
|
|
290
|
444
|
|
336
|
445 return NGX_OK;
|
|
|
446 }
|
|
|
447
|
|
|
448
|
|
|
449 ngx_int_t
|
|
|
450 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c)
|
|
|
451 {
|
|
|
452 u_char *p, *last;
|
|
|
453 ngx_str_t *arg;
|
|
|
454
|
|
|
455 arg = s->args.elts;
|
|
|
456
|
|
|
457 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0,
|
|
|
458 "mail auth cram-md5: \"%V\"", &arg[0]);
|
|
290
|
459
|
|
382
|
460 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len));
|
|
336
|
461 if (s->login.data == NULL){
|
|
|
462 return NGX_ERROR;
|
|
|
463 }
|
|
290
|
464
|
|
336
|
465 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) {
|
|
|
466 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
467 "client sent invalid base64 encoding in AUTH CRAM-MD5 command");
|
|
|
468 return NGX_MAIL_PARSE_INVALID_COMMAND;
|
|
|
469 }
|
|
|
470
|
|
|
471 p = s->login.data;
|
|
|
472 last = p + s->login.len;
|
|
|
473
|
|
|
474 while (p < last) {
|
|
|
475 if (*p++ == ' ') {
|
|
|
476 s->login.len = p - s->login.data - 1;
|
|
|
477 s->passwd.len = last - p;
|
|
|
478 s->passwd.data = p;
|
|
|
479 break;
|
|
290
|
480 }
|
|
|
481 }
|
|
|
482
|
|
336
|
483 if (s->passwd.len != 32) {
|
|
|
484 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
|
485 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command");
|
|
|
486 return NGX_MAIL_PARSE_INVALID_COMMAND;
|
|
290
|
487 }
|
|
|
488
|
|
336
|
489 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0,
|
|
|
490 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd);
|
|
|
491
|
|
|
492 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5;
|
|
|
493
|
|
|
494 return NGX_DONE;
|
|
290
|
495 }
|
|
|
496
|
|
|
497
|
|
|
498 void
|
|
|
499 ngx_mail_send(ngx_event_t *wev)
|
|
|
500 {
|
|
|
501 ngx_int_t n;
|
|
|
502 ngx_connection_t *c;
|
|
|
503 ngx_mail_session_t *s;
|
|
|
504 ngx_mail_core_srv_conf_t *cscf;
|
|
|
505
|
|
|
506 c = wev->data;
|
|
|
507 s = c->data;
|
|
|
508
|
|
|
509 if (wev->timedout) {
|
|
|
510 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out");
|
|
|
511 c->timedout = 1;
|
|
|
512 ngx_mail_close_connection(c);
|
|
|
513 return;
|
|
|
514 }
|
|
|
515
|
|
|
516 if (s->out.len == 0) {
|
|
430
|
517 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
290
|
518 ngx_mail_close_connection(c);
|
|
|
519 }
|
|
|
520
|
|
|
521 return;
|
|
|
522 }
|
|
|
523
|
|
|
524 n = c->send(c, s->out.data, s->out.len);
|
|
|
525
|
|
|
526 if (n > 0) {
|
|
|
527 s->out.len -= n;
|
|
|
528
|
|
|
529 if (wev->timer_set) {
|
|
|
530 ngx_del_timer(wev);
|
|
|
531 }
|
|
|
532
|
|
|
533 if (s->quit) {
|
|
|
534 ngx_mail_close_connection(c);
|
|
|
535 return;
|
|
|
536 }
|
|
|
537
|
|
|
538 if (s->blocked) {
|
|
|
539 c->read->handler(c->read);
|
|
|
540 }
|
|
|
541
|
|
|
542 return;
|
|
|
543 }
|
|
|
544
|
|
|
545 if (n == NGX_ERROR) {
|
|
|
546 ngx_mail_close_connection(c);
|
|
|
547 return;
|
|
|
548 }
|
|
|
549
|
|
|
550 /* n == NGX_AGAIN */
|
|
|
551
|
|
|
552 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);
|
|
|
553
|
|
|
554 ngx_add_timer(c->write, cscf->timeout);
|
|
|
555
|
|
430
|
556 if (ngx_handle_write_event(c->write, 0) != NGX_OK) {
|
|
290
|
557 ngx_mail_close_connection(c);
|
|
|
558 return;
|
|
|
559 }
|
|
|
560 }
|
|
|
561
|
|
|
562
|
|
336
|
563 ngx_int_t
|
|
|
564 ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c)
|
|
290
|
565 {
|
|
336
|
566 ssize_t n;
|
|
|
567 ngx_int_t rc;
|
|
|
568 ngx_str_t l;
|
|
290
|
569 ngx_mail_core_srv_conf_t *cscf;
|
|
|
570
|
|
336
|
571 n = c->recv(c, s->buffer->last, s->buffer->end - s->buffer->last);
|
|
290
|
572
|
|
|
573 if (n == NGX_ERROR || n == 0) {
|
|
336
|
574 ngx_mail_close_connection(c);
|
|
290
|
575 return NGX_ERROR;
|
|
|
576 }
|
|
|
577
|
|
|
578 if (n > 0) {
|
|
|
579 s->buffer->last += n;
|
|
|
580 }
|
|
|
581
|
|
|
582 if (n == NGX_AGAIN) {
|
|
430
|
583 if (ngx_handle_read_event(c->read, 0) != NGX_OK) {
|
|
290
|
584 ngx_mail_session_internal_server_error(s);
|
|
|
585 return NGX_ERROR;
|
|
|
586 }
|
|
|
587
|
|
|
588 return NGX_AGAIN;
|
|
|
589 }
|
|
|
590
|
|
336
|
591 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);
|
|
290
|
592
|
|
336
|
593 rc = cscf->protocol->parse_command(s);
|
|
290
|
594
|
|
|
595 if (rc == NGX_AGAIN) {
|
|
|
596
|
|
|
597 if (s->buffer->last < s->buffer->end) {
|
|
|
598 return rc;
|
|
|
599 }
|
|
|
600
|
|
|
601 l.len = s->buffer->last - s->buffer->start;
|
|
|
602 l.data = s->buffer->start;
|
|
|
603
|
|
336
|
604 ngx_log_error(NGX_LOG_INFO, c->log, 0,
|
|
290
|
605 "client sent too long command \"%V\"", &l);
|
|
|
606
|
|
|
607 s->quit = 1;
|
|
|
608
|
|
|
609 return NGX_MAIL_PARSE_INVALID_COMMAND;
|
|
|
610 }
|
|
|
611
|
|
|
612 if (rc == NGX_IMAP_NEXT || rc == NGX_MAIL_PARSE_INVALID_COMMAND) {
|
|
|
613 return rc;
|
|
|
614 }
|
|
|
615
|
|
|
616 if (rc == NGX_ERROR) {
|
|
336
|
617 ngx_mail_close_connection(c);
|
|
290
|
618 return NGX_ERROR;
|
|
|
619 }
|
|
|
620
|
|
|
621 return NGX_OK;
|
|
|
622 }
|
|
|
623
|
|
|
624
|
|
|
625 void
|
|
336
|
626 ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c)
|
|
|
627 {
|
|
|
628 s->args.nelts = 0;
|
|
|
629 s->buffer->pos = s->buffer->start;
|
|
|
630 s->buffer->last = s->buffer->start;
|
|
|
631 s->state = 0;
|
|
|
632
|
|
|
633 if (c->read->timer_set) {
|
|
|
634 ngx_del_timer(c->read);
|
|
|
635 }
|
|
|
636
|
|
|
637 s->login_attempt++;
|
|
|
638
|
|
|
639 ngx_mail_auth_http_init(s);
|
|
|
640 }
|
|
|
641
|
|
|
642
|
|
|
643 void
|
|
290
|
644 ngx_mail_session_internal_server_error(ngx_mail_session_t *s)
|
|
|
645 {
|
|
336
|
646 ngx_mail_core_srv_conf_t *cscf;
|
|
|
647
|
|
|
648 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module);
|
|
|
649
|
|
|
650 s->out = cscf->protocol->internal_server_error;
|
|
290
|
651 s->quit = 1;
|
|
|
652
|
|
|
653 ngx_mail_send(s->connection->write);
|
|
|
654 }
|
|
|
655
|
|
|
656
|
|
|
657 void
|
|
|
658 ngx_mail_close_connection(ngx_connection_t *c)
|
|
|
659 {
|
|
|
660 ngx_pool_t *pool;
|
|
|
661
|
|
|
662 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0,
|
|
|
663 "close mail connection: %d", c->fd);
|
|
|
664
|
|
|
665 #if (NGX_MAIL_SSL)
|
|
|
666
|
|
|
667 if (c->ssl) {
|
|
|
668 if (ngx_ssl_shutdown(c) == NGX_AGAIN) {
|
|
|
669 c->ssl->handler = ngx_mail_close_connection;
|
|
|
670 return;
|
|
|
671 }
|
|
|
672 }
|
|
|
673
|
|
|
674 #endif
|
|
|
675
|
|
336
|
676 #if (NGX_STAT_STUB)
|
|
|
677 ngx_atomic_fetch_add(ngx_stat_active, -1);
|
|
|
678 #endif
|
|
|
679
|
|
290
|
680 c->destroyed = 1;
|
|
|
681
|
|
|
682 pool = c->pool;
|
|
|
683
|
|
|
684 ngx_close_connection(c);
|
|
|
685
|
|
|
686 ngx_destroy_pool(pool);
|
|
|
687 }
|
|
|
688
|
|
|
689
|
|
336
|
690 u_char *
|
|
290
|
691 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len)
|
|
|
692 {
|
|
|
693 u_char *p;
|
|
|
694 ngx_mail_session_t *s;
|
|
|
695 ngx_mail_log_ctx_t *ctx;
|
|
|
696
|
|
|
697 if (log->action) {
|
|
|
698 p = ngx_snprintf(buf, len, " while %s", log->action);
|
|
|
699 len -= p - buf;
|
|
|
700 buf = p;
|
|
|
701 }
|
|
|
702
|
|
|
703 ctx = log->data;
|
|
|
704
|
|
|
705 p = ngx_snprintf(buf, len, ", client: %V", ctx->client);
|
|
|
706 len -= p - buf;
|
|
|
707 buf = p;
|
|
|
708
|
|
|
709 s = ctx->session;
|
|
|
710
|
|
|
711 if (s == NULL) {
|
|
|
712 return p;
|
|
|
713 }
|
|
|
714
|
|
336
|
715 p = ngx_snprintf(buf, len, "%s, server: %V",
|
|
|
716 s->starttls ? " using starttls" : "",
|
|
|
717 s->addr_text);
|
|
290
|
718 len -= p - buf;
|
|
|
719 buf = p;
|
|
|
720
|
|
|
721 if (s->login.len == 0) {
|
|
|
722 return p;
|
|
|
723 }
|
|
|
724
|
|
|
725 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login);
|
|
|
726 len -= p - buf;
|
|
|
727 buf = p;
|
|
|
728
|
|
|
729 if (s->proxy == NULL) {
|
|
|
730 return p;
|
|
|
731 }
|
|
|
732
|
|
|
733 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name);
|
|
|
734
|
|
|
735 return p;
|
|
|
736 }
|
