Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 7792:adee10c7fac8
Mail: fixed log action after SSL handshake.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Fri, 05 Mar 2021 17:16:20 +0300 |
parents | d84f13618277 |
children | 12ea1de7d87c |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
1136 | 11 #include <ngx_mail.h> |
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12 |
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13 |
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14 static void ngx_mail_init_session_handler(ngx_event_t *rev); |
1136 | 15 static void ngx_mail_init_session(ngx_connection_t *c); |
413
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16 |
1136 | 17 #if (NGX_MAIL_SSL) |
18 static void ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c); | |
19 static void ngx_mail_ssl_handshake_handler(ngx_connection_t *c); | |
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20 static ngx_int_t ngx_mail_verify_cert(ngx_mail_session_t *s, |
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21 ngx_connection_t *c); |
539 | 22 #endif |
23 | |
413
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24 |
521 | 25 void |
1136 | 26 ngx_mail_init_connection(ngx_connection_t *c) |
413
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27 { |
6130 | 28 size_t len; |
29 ngx_uint_t i; | |
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30 ngx_event_t *rev; |
6130 | 31 ngx_mail_port_t *port; |
32 struct sockaddr *sa; | |
33 struct sockaddr_in *sin; | |
34 ngx_mail_log_ctx_t *ctx; | |
35 ngx_mail_in_addr_t *addr; | |
36 ngx_mail_session_t *s; | |
37 ngx_mail_addr_conf_t *addr_conf; | |
38 ngx_mail_core_srv_conf_t *cscf; | |
39 u_char text[NGX_SOCKADDR_STRLEN]; | |
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40 #if (NGX_HAVE_INET6) |
6130 | 41 struct sockaddr_in6 *sin6; |
42 ngx_mail_in6_addr_t *addr6; | |
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43 #endif |
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44 |
641 | 45 |
46 /* find the server configuration for the address:port */ | |
47 | |
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48 port = c->listening->servers; |
641 | 49 |
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50 if (port->naddrs > 1) { |
641 | 51 |
52 /* | |
53 * There are several addresses on this port and one of them | |
54 * is the "*:port" wildcard so getsockname() is needed to determine | |
55 * the server address. | |
56 * | |
57 * AcceptEx() already gave this address. | |
58 */ | |
59 | |
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60 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { |
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61 ngx_mail_close_connection(c); |
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62 return; |
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63 } |
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64 |
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65 sa = c->local_sockaddr; |
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66 |
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67 switch (sa->sa_family) { |
541 | 68 |
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69 #if (NGX_HAVE_INET6) |
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70 case AF_INET6: |
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71 sin6 = (struct sockaddr_in6 *) sa; |
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72 |
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73 addr6 = port->addrs; |
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74 |
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75 /* the last address is "*" */ |
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76 |
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77 for (i = 0; i < port->naddrs - 1; i++) { |
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78 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) { |
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79 break; |
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80 } |
641 | 81 } |
82 | |
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83 addr_conf = &addr6[i].conf; |
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84 |
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85 break; |
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86 #endif |
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87 |
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88 default: /* AF_INET */ |
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89 sin = (struct sockaddr_in *) sa; |
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90 |
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91 addr = port->addrs; |
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92 |
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93 /* the last address is "*" */ |
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94 |
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95 for (i = 0; i < port->naddrs - 1; i++) { |
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96 if (addr[i].addr == sin->sin_addr.s_addr) { |
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97 break; |
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98 } |
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99 } |
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100 |
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101 addr_conf = &addr[i].conf; |
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102 |
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103 break; |
641 | 104 } |
105 | |
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106 } else { |
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107 switch (c->local_sockaddr->sa_family) { |
641 | 108 |
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109 #if (NGX_HAVE_INET6) |
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110 case AF_INET6: |
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111 addr6 = port->addrs; |
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112 addr_conf = &addr6[0].conf; |
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113 break; |
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114 #endif |
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115 |
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116 default: /* AF_INET */ |
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117 addr = port->addrs; |
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118 addr_conf = &addr[0].conf; |
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119 break; |
641 | 120 } |
121 } | |
122 | |
1136 | 123 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
641 | 124 if (s == NULL) { |
1136 | 125 ngx_mail_close_connection(c); |
541 | 126 return; |
577 | 127 } |
541 | 128 |
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129 s->signature = NGX_MAIL_MODULE; |
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130 |
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131 s->main_conf = addr_conf->ctx->main_conf; |
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132 s->srv_conf = addr_conf->ctx->srv_conf; |
641 | 133 |
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134 #if (NGX_MAIL_SSL) |
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135 s->ssl = addr_conf->ssl; |
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136 #endif |
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137 |
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138 s->addr_text = &addr_conf->addr_text; |
641 | 139 |
140 c->data = s; | |
141 s->connection = c; | |
142 | |
6130 | 143 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
144 | |
145 ngx_set_connection_log(c, cscf->error_log); | |
146 | |
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147 len = ngx_sock_ntop(c->sockaddr, c->socklen, text, NGX_SOCKADDR_STRLEN, 1); |
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148 |
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149 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%uA client %*s connected to %V", |
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150 c->number, len, text, s->addr_text); |
641 | 151 |
1136 | 152 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
641 | 153 if (ctx == NULL) { |
1136 | 154 ngx_mail_close_connection(c); |
641 | 155 return; |
156 } | |
157 | |
158 ctx->client = &c->addr_text; | |
159 ctx->session = s; | |
541 | 160 |
161 c->log->connection = c->number; | |
1136 | 162 c->log->handler = ngx_mail_log_error; |
641 | 163 c->log->data = ctx; |
541 | 164 c->log->action = "sending client greeting line"; |
165 | |
166 c->log_error = NGX_ERROR_INFO; | |
167 | |
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168 rev = c->read; |
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169 rev->handler = ngx_mail_init_session_handler; |
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170 |
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171 if (ngx_use_accept_mutex) { |
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172 ngx_post_event(rev, &ngx_posted_events); |
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173 return; |
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174 } |
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175 |
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176 rev->handler(rev); |
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177 } |
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178 |
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179 |
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180 static void |
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181 ngx_mail_init_session_handler(ngx_event_t *rev) |
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182 { |
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183 ngx_connection_t *c; |
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184 ngx_mail_session_t *s; |
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185 |
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186 c = rev->data; |
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187 s = c->data; |
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188 |
1136 | 189 #if (NGX_MAIL_SSL) |
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190 { |
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191 ngx_mail_ssl_conf_t *sslcf; |
543 | 192 |
1136 | 193 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
543 | 194 |
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195 if (sslcf->enable || s->ssl) { |
2224 | 196 c->log->action = "SSL handshaking"; |
197 | |
1136 | 198 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
547 | 199 return; |
543 | 200 } |
2224 | 201 |
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202 } |
543 | 203 #endif |
204 | |
1136 | 205 ngx_mail_init_session(c); |
541 | 206 } |
207 | |
208 | |
1136 | 209 #if (NGX_MAIL_SSL) |
547 | 210 |
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211 void |
1136 | 212 ngx_mail_starttls_handler(ngx_event_t *rev) |
583 | 213 { |
214 ngx_connection_t *c; | |
1136 | 215 ngx_mail_session_t *s; |
216 ngx_mail_ssl_conf_t *sslcf; | |
583 | 217 |
218 c = rev->data; | |
219 s = c->data; | |
641 | 220 s->starttls = 1; |
583 | 221 |
222 c->log->action = "in starttls state"; | |
223 | |
1136 | 224 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
583 | 225 |
1136 | 226 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
583 | 227 } |
228 | |
229 | |
230 static void | |
1136 | 231 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
583 | 232 { |
1136 | 233 ngx_mail_session_t *s; |
234 ngx_mail_core_srv_conf_t *cscf; | |
583 | 235 |
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236 if (ngx_ssl_create_connection(ssl, c, 0) != NGX_OK) { |
1136 | 237 ngx_mail_close_connection(c); |
583 | 238 return; |
239 } | |
240 | |
241 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
242 | |
641 | 243 s = c->data; |
244 | |
1136 | 245 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
583 | 246 |
247 ngx_add_timer(c->read, cscf->timeout); | |
248 | |
1136 | 249 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
583 | 250 |
251 return; | |
252 } | |
253 | |
1136 | 254 ngx_mail_ssl_handshake_handler(c); |
583 | 255 } |
256 | |
257 | |
258 static void | |
1136 | 259 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
577 | 260 { |
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261 ngx_mail_session_t *s; |
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262 ngx_mail_core_srv_conf_t *cscf; |
641 | 263 |
547 | 264 if (c->ssl->handshaked) { |
583 | 265 |
641 | 266 s = c->data; |
267 | |
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268 if (ngx_mail_verify_cert(s, c) != NGX_OK) { |
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269 return; |
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270 } |
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271 |
641 | 272 if (s->starttls) { |
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273 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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274 |
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275 c->read->handler = cscf->protocol->init_protocol; |
1136 | 276 c->write->handler = ngx_mail_send; |
583 | 277 |
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278 cscf->protocol->init_protocol(c->read); |
583 | 279 |
280 return; | |
281 } | |
282 | |
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283 c->read->ready = 0; |
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284 |
1136 | 285 ngx_mail_init_session(c); |
547 | 286 return; |
287 } | |
288 | |
1136 | 289 ngx_mail_close_connection(c); |
547 | 290 } |
291 | |
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292 |
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293 static ngx_int_t |
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294 ngx_mail_verify_cert(ngx_mail_session_t *s, ngx_connection_t *c) |
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295 { |
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296 long rc; |
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297 X509 *cert; |
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298 ngx_mail_ssl_conf_t *sslcf; |
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299 ngx_mail_core_srv_conf_t *cscf; |
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300 |
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301 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
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302 |
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303 if (!sslcf->verify) { |
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304 return NGX_OK; |
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305 } |
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306 |
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307 rc = SSL_get_verify_result(c->ssl->connection); |
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308 |
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309 if (rc != X509_V_OK |
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310 && (sslcf->verify != 3 || !ngx_ssl_verify_error_optional(rc))) |
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311 { |
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312 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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313 "client SSL certificate verify error: (%l:%s)", |
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314 rc, X509_verify_cert_error_string(rc)); |
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315 |
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316 ngx_ssl_remove_cached_session(c->ssl->session_ctx, |
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317 (SSL_get0_session(c->ssl->connection))); |
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318 |
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319 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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320 |
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321 s->out = cscf->protocol->cert_error; |
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322 s->quit = 1; |
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323 |
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324 c->write->handler = ngx_mail_send; |
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325 |
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326 ngx_mail_send(s->connection->write); |
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327 return NGX_ERROR; |
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328 } |
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329 |
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330 if (sslcf->verify == 1) { |
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331 cert = SSL_get_peer_certificate(c->ssl->connection); |
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332 |
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333 if (cert == NULL) { |
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334 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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335 "client sent no required SSL certificate"); |
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336 |
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337 ngx_ssl_remove_cached_session(c->ssl->session_ctx, |
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338 (SSL_get0_session(c->ssl->connection))); |
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339 |
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340 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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341 |
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342 s->out = cscf->protocol->no_cert; |
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343 s->quit = 1; |
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344 |
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345 c->write->handler = ngx_mail_send; |
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346 |
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347 ngx_mail_send(s->connection->write); |
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348 return NGX_ERROR; |
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349 } |
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350 |
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351 X509_free(cert); |
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352 } |
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353 |
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354 return NGX_OK; |
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355 } |
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356 |
547 | 357 #endif |
358 | |
359 | |
360 static void | |
1136 | 361 ngx_mail_init_session(ngx_connection_t *c) |
541 | 362 { |
1136 | 363 ngx_mail_session_t *s; |
364 ngx_mail_core_srv_conf_t *cscf; | |
417
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365 |
641 | 366 s = c->data; |
413
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367 |
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368 c->log->action = "sending client greeting line"; |
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369 |
1136 | 370 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
539 | 371 |
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372 s->protocol = cscf->protocol->type; |
539 | 373 |
1136 | 374 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
539 | 375 if (s->ctx == NULL) { |
1136 | 376 ngx_mail_session_internal_server_error(s); |
539 | 377 return; |
378 } | |
379 | |
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380 c->write->handler = ngx_mail_send; |
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381 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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|
382 cscf->protocol->init_session(s, c); |
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383 } |
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384 |
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385 |
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386 ngx_int_t |
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387 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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|
388 ngx_mail_core_srv_conf_t *cscf) |
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389 { |
2049 | 390 s->salt.data = ngx_pnalloc(c->pool, |
391 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
392 + NGX_TIME_T_LEN | |
393 + cscf->server_name.len); | |
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394 if (s->salt.data == NULL) { |
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395 return NGX_ERROR; |
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396 } |
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397 |
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398 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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399 ngx_random(), ngx_time(), &cscf->server_name) |
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400 - s->salt.data; |
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|
401 |
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402 return NGX_OK; |
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403 } |
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404 |
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|
405 |
1479 | 406 #if (NGX_MAIL_SSL) |
407 | |
408 ngx_int_t | |
409 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
410 { | |
411 ngx_mail_ssl_conf_t *sslcf; | |
412 | |
413 if (c->ssl) { | |
414 return 0; | |
415 } | |
416 | |
417 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
418 | |
419 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
420 return 1; | |
421 } | |
422 | |
423 return 0; | |
424 } | |
425 | |
426 #endif | |
427 | |
428 | |
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429 ngx_int_t |
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430 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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431 { |
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432 u_char *p, *last; |
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433 ngx_str_t *arg, plain; |
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434 |
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435 arg = s->args.elts; |
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|
436 |
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437 #if (NGX_DEBUG_MAIL_PASSWD) |
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|
438 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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diff
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|
439 "mail auth plain: \"%V\"", &arg[n]); |
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|
440 #endif |
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diff
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|
441 |
2049 | 442 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
3642 | 443 if (plain.data == NULL) { |
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444 return NGX_ERROR; |
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|
445 } |
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diff
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|
446 |
1494
6535fb51976a
fix "AUTH PLAIN [initial-response]" bug introduced in r1477
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1491
diff
changeset
|
447 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
1476
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448 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
449 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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450 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
451 } |
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|
452 |
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|
453 p = plain.data; |
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454 last = p + plain.len; |
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|
455 |
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|
456 while (p < last && *p++) { /* void */ } |
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|
457 |
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|
458 if (p == last) { |
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|
459 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
460 "client sent invalid login in AUTH PLAIN command"); |
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461 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
462 } |
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|
463 |
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|
464 s->login.data = p; |
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|
465 |
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|
466 while (p < last && *p) { p++; } |
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|
467 |
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|
468 if (p == last) { |
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changeset
|
469 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
470 "client sent invalid password in AUTH PLAIN command"); |
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|
471 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
472 } |
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|
473 |
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|
474 s->login.len = p++ - s->login.data; |
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|
475 |
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|
476 s->passwd.len = last - p; |
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|
477 s->passwd.data = p; |
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|
478 |
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|
479 #if (NGX_DEBUG_MAIL_PASSWD) |
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480 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
481 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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|
482 #endif |
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|
483 |
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|
484 return NGX_DONE; |
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|
485 } |
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|
486 |
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|
487 |
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|
488 ngx_int_t |
2495
a59b26eee816
compatibility with Microsoft's
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diff
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|
489 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
a59b26eee816
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|
490 ngx_uint_t n) |
1476
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491 { |
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492 ngx_str_t *arg; |
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|
493 |
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|
494 arg = s->args.elts; |
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|
495 |
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|
496 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
2495
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diff
changeset
|
497 "mail auth login username: \"%V\"", &arg[n]); |
1476
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|
498 |
2495
a59b26eee816
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diff
changeset
|
499 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
3642 | 500 if (s->login.data == NULL) { |
1476
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|
501 return NGX_ERROR; |
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|
502 } |
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|
503 |
2495
a59b26eee816
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|
504 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
1476
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505 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
506 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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|
507 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
508 } |
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|
509 |
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|
510 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
511 "mail auth login username: \"%V\"", &s->login); |
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|
512 |
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|
513 return NGX_OK; |
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|
514 } |
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|
515 |
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|
516 |
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517 ngx_int_t |
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|
518 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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|
519 { |
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|
520 ngx_str_t *arg; |
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|
521 |
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522 arg = s->args.elts; |
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523 |
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524 #if (NGX_DEBUG_MAIL_PASSWD) |
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525 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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526 "mail auth login password: \"%V\"", &arg[0]); |
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527 #endif |
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528 |
2049 | 529 s->passwd.data = ngx_pnalloc(c->pool, |
530 ngx_base64_decoded_length(arg[0].len)); | |
3642 | 531 if (s->passwd.data == NULL) { |
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532 return NGX_ERROR; |
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533 } |
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534 |
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535 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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536 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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537 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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538 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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539 } |
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540 |
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541 #if (NGX_DEBUG_MAIL_PASSWD) |
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542 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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543 "mail auth login password: \"%V\"", &s->passwd); |
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544 #endif |
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545 |
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546 return NGX_DONE; |
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547 } |
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548 |
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549 |
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550 ngx_int_t |
1479 | 551 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
552 char *prefix, size_t len) | |
553 { | |
554 u_char *p; | |
555 ngx_str_t salt; | |
556 ngx_uint_t n; | |
557 | |
2049 | 558 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
1479 | 559 if (p == NULL) { |
560 return NGX_ERROR; | |
561 } | |
562 | |
563 salt.data = ngx_cpymem(p, prefix, len); | |
564 s->salt.len -= 2; | |
565 | |
566 ngx_encode_base64(&salt, &s->salt); | |
567 | |
568 s->salt.len += 2; | |
569 n = len + salt.len; | |
570 p[n++] = CR; p[n++] = LF; | |
571 | |
572 s->out.len = n; | |
573 s->out.data = p; | |
574 | |
575 return NGX_OK; | |
576 } | |
577 | |
578 | |
579 ngx_int_t | |
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580 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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581 { |
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582 u_char *p, *last; |
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583 ngx_str_t *arg; |
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584 |
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585 arg = s->args.elts; |
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586 |
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587 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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588 "mail auth cram-md5: \"%V\"", &arg[0]); |
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589 |
2049 | 590 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
3642 | 591 if (s->login.data == NULL) { |
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592 return NGX_ERROR; |
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593 } |
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594 |
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595 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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596 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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597 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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598 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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599 } |
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|
600 |
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601 p = s->login.data; |
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602 last = p + s->login.len; |
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603 |
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604 while (p < last) { |
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605 if (*p++ == ' ') { |
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606 s->login.len = p - s->login.data - 1; |
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607 s->passwd.len = last - p; |
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608 s->passwd.data = p; |
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609 break; |
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610 } |
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|
611 } |
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|
612 |
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613 if (s->passwd.len != 32) { |
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614 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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615 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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616 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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617 } |
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618 |
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619 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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620 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
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621 |
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622 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
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623 |
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624 return NGX_DONE; |
539 | 625 } |
626 | |
627 | |
6774
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|
628 ngx_int_t |
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|
629 ngx_mail_auth_external(ngx_mail_session_t *s, ngx_connection_t *c, |
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630 ngx_uint_t n) |
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|
631 { |
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diff
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|
632 ngx_str_t *arg, external; |
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|
633 |
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|
634 arg = s->args.elts; |
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|
635 |
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|
636 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
637 "mail auth external: \"%V\"", &arg[n]); |
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|
638 |
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|
639 external.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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|
640 if (external.data == NULL) { |
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641 return NGX_ERROR; |
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|
642 } |
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|
643 |
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changeset
|
644 if (ngx_decode_base64(&external, &arg[n]) != NGX_OK) { |
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diff
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|
645 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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|
646 "client sent invalid base64 encoding in AUTH EXTERNAL command"); |
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647 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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|
648 } |
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|
649 |
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|
650 s->login.len = external.len; |
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|
651 s->login.data = external.data; |
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|
652 |
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|
653 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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|
654 "mail auth external: \"%V\"", &s->login); |
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|
655 |
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|
656 s->auth_method = NGX_MAIL_AUTH_EXTERNAL; |
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|
657 |
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|
658 return NGX_DONE; |
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|
659 } |
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|
660 |
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|
661 |
539 | 662 void |
1136 | 663 ngx_mail_send(ngx_event_t *wev) |
539 | 664 { |
541 | 665 ngx_int_t n; |
666 ngx_connection_t *c; | |
1136 | 667 ngx_mail_session_t *s; |
668 ngx_mail_core_srv_conf_t *cscf; | |
539 | 669 |
670 c = wev->data; | |
671 s = c->data; | |
672 | |
673 if (wev->timedout) { | |
674 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
577 | 675 c->timedout = 1; |
1136 | 676 ngx_mail_close_connection(c); |
539 | 677 return; |
678 } | |
679 | |
680 if (s->out.len == 0) { | |
2388
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|
681 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
1136 | 682 ngx_mail_close_connection(c); |
539 | 683 } |
684 | |
685 return; | |
686 } | |
687 | |
688 n = c->send(c, s->out.data, s->out.len); | |
689 | |
690 if (n > 0) { | |
5632
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
691 s->out.data += n; |
539 | 692 s->out.len -= n; |
693 | |
5632
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
694 if (s->out.len != 0) { |
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
695 goto again; |
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
696 } |
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
697 |
541 | 698 if (wev->timer_set) { |
699 ngx_del_timer(wev); | |
700 } | |
701 | |
539 | 702 if (s->quit) { |
1136 | 703 ngx_mail_close_connection(c); |
539 | 704 return; |
705 } | |
706 | |
707 if (s->blocked) { | |
708 c->read->handler(c->read); | |
709 } | |
710 | |
711 return; | |
712 } | |
713 | |
714 if (n == NGX_ERROR) { | |
1136 | 715 ngx_mail_close_connection(c); |
539 | 716 return; |
717 } | |
718 | |
719 /* n == NGX_AGAIN */ | |
720 | |
5632
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
721 again: |
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
722 |
1136 | 723 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
541 | 724 |
725 ngx_add_timer(c->write, cscf->timeout); | |
726 | |
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
727 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
1136 | 728 ngx_mail_close_connection(c); |
539 | 729 return; |
730 } | |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
731 } |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
732 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
733 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
734 ngx_int_t |
1482 | 735 ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c) |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
736 { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
737 ssize_t n; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
738 ngx_int_t rc; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
739 ngx_str_t l; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
740 ngx_mail_core_srv_conf_t *cscf; |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
741 |
1482 | 742 n = c->recv(c, s->buffer->last, s->buffer->end - s->buffer->last); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
743 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
744 if (n == NGX_ERROR || n == 0) { |
1482 | 745 ngx_mail_close_connection(c); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
746 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
747 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
748 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
749 if (n > 0) { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
750 s->buffer->last += n; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
751 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
752 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
753 if (n == NGX_AGAIN) { |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
754 if (s->buffer->pos == s->buffer->last) { |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
755 return NGX_AGAIN; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
756 } |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
757 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
758 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
759 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
760 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
761 rc = cscf->protocol->parse_command(s); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
762 |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
763 if (rc == NGX_AGAIN) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
764 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
765 if (s->buffer->last < s->buffer->end) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
766 return rc; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
767 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
768 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
769 l.len = s->buffer->last - s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
770 l.data = s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
771 |
1482 | 772 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
773 "client sent too long command \"%V\"", &l); |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
774 |
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
775 s->quit = 1; |
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
776 |
1136 | 777 return NGX_MAIL_PARSE_INVALID_COMMAND; |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
778 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
779 |
1136 | 780 if (rc == NGX_IMAP_NEXT || rc == NGX_MAIL_PARSE_INVALID_COMMAND) { |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
781 return rc; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
782 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
783 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
784 if (rc == NGX_ERROR) { |
1482 | 785 ngx_mail_close_connection(c); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
786 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
787 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
788 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
789 return NGX_OK; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
790 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
791 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
792 |
521 | 793 void |
1482 | 794 ngx_mail_auth(ngx_mail_session_t *s, ngx_connection_t *c) |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
795 { |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
796 s->args.nelts = 0; |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
797 |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
798 if (s->buffer->pos == s->buffer->last) { |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
799 s->buffer->pos = s->buffer->start; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
800 s->buffer->last = s->buffer->start; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
801 } |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
802 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
803 s->state = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
804 |
1482 | 805 if (c->read->timer_set) { |
806 ngx_del_timer(c->read); | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
807 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
808 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
809 s->login_attempt++; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
810 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
811 ngx_mail_auth_http_init(s); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
812 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
813 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
814 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
815 void |
1136 | 816 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
525 | 817 { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
818 ngx_mail_core_srv_conf_t *cscf; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
819 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
820 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
821 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
822 s->out = cscf->protocol->internal_server_error; |
539 | 823 s->quit = 1; |
525 | 824 |
1136 | 825 ngx_mail_send(s->connection->write); |
525 | 826 } |
827 | |
828 | |
829 void | |
1136 | 830 ngx_mail_close_connection(ngx_connection_t *c) |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
831 { |
479 | 832 ngx_pool_t *pool; |
833 | |
1136 | 834 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
835 "close mail connection: %d", c->fd); | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
836 |
1136 | 837 #if (NGX_MAIL_SSL) |
539 | 838 |
839 if (c->ssl) { | |
840 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
1136 | 841 c->ssl->handler = ngx_mail_close_connection; |
539 | 842 return; |
843 } | |
844 } | |
845 | |
846 #endif | |
847 | |
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
848 #if (NGX_STAT_STUB) |
2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
Igor Sysoev <igor@sysoev.ru>
parents:
2855
diff
changeset
|
849 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); |
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
850 #endif |
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
851 |
583 | 852 c->destroyed = 1; |
543 | 853 |
479 | 854 pool = c->pool; |
855 | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
856 ngx_close_connection(c); |
479 | 857 |
501 | 858 ngx_destroy_pool(pool); |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
859 } |
539 | 860 |
861 | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
862 u_char * |
1136 | 863 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
541 | 864 { |
567 | 865 u_char *p; |
1136 | 866 ngx_mail_session_t *s; |
867 ngx_mail_log_ctx_t *ctx; | |
541 | 868 |
869 if (log->action) { | |
870 p = ngx_snprintf(buf, len, " while %s", log->action); | |
871 len -= p - buf; | |
872 buf = p; | |
873 } | |
577 | 874 |
541 | 875 ctx = log->data; |
876 | |
877 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
878 len -= p - buf; | |
879 buf = p; | |
880 | |
881 s = ctx->session; | |
882 | |
883 if (s == NULL) { | |
884 return p; | |
885 } | |
886 | |
1491 | 887 p = ngx_snprintf(buf, len, "%s, server: %V", |
888 s->starttls ? " using starttls" : "", | |
889 s->addr_text); | |
541 | 890 len -= p - buf; |
891 buf = p; | |
892 | |
893 if (s->login.len == 0) { | |
894 return p; | |
895 } | |
896 | |
897 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
898 len -= p - buf; | |
899 buf = p; | |
900 | |
901 if (s->proxy == NULL) { | |
902 return p; | |
903 } | |
904 | |
884 | 905 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
541 | 906 |
907 return p; | |
908 } |