Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 5031:560dc55e90c1 release-1.3.12
nginx-1.3.12-RELEASE
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 05 Feb 2013 14:06:41 +0000 |
parents | 28a64967e891 |
children | 04e43d03e153 |
rev | line source |
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441
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1 |
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2 /* |
444
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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 |
1136 | 14 static void ngx_mail_init_session(ngx_connection_t *c); |
413
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15 |
1136 | 16 #if (NGX_MAIL_SSL) |
17 static void ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c); | |
18 static void ngx_mail_ssl_handshake_handler(ngx_connection_t *c); | |
539 | 19 #endif |
20 | |
413
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21 |
521 | 22 void |
1136 | 23 ngx_mail_init_connection(ngx_connection_t *c) |
413
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24 { |
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25 ngx_uint_t i; |
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26 ngx_mail_port_t *port; |
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27 struct sockaddr *sa; |
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28 struct sockaddr_in *sin; |
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29 ngx_mail_log_ctx_t *ctx; |
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30 ngx_mail_in_addr_t *addr; |
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31 ngx_mail_session_t *s; |
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32 ngx_mail_addr_conf_t *addr_conf; |
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33 #if (NGX_HAVE_INET6) |
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34 struct sockaddr_in6 *sin6; |
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35 ngx_mail_in6_addr_t *addr6; |
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36 #endif |
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37 |
641 | 38 |
39 /* find the server configuration for the address:port */ | |
40 | |
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41 port = c->listening->servers; |
641 | 42 |
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43 if (port->naddrs > 1) { |
641 | 44 |
45 /* | |
46 * There are several addresses on this port and one of them | |
47 * is the "*:port" wildcard so getsockname() is needed to determine | |
48 * the server address. | |
49 * | |
50 * AcceptEx() already gave this address. | |
51 */ | |
52 | |
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53 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { |
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54 ngx_mail_close_connection(c); |
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55 return; |
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56 } |
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57 |
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58 sa = c->local_sockaddr; |
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59 |
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60 switch (sa->sa_family) { |
541 | 61 |
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62 #if (NGX_HAVE_INET6) |
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63 case AF_INET6: |
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64 sin6 = (struct sockaddr_in6 *) sa; |
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65 |
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66 addr6 = port->addrs; |
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67 |
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68 /* the last address is "*" */ |
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69 |
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70 for (i = 0; i < port->naddrs - 1; i++) { |
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71 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) { |
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72 break; |
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73 } |
641 | 74 } |
75 | |
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76 addr_conf = &addr6[i].conf; |
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77 |
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78 break; |
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79 #endif |
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80 |
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81 default: /* AF_INET */ |
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82 sin = (struct sockaddr_in *) sa; |
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83 |
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84 addr = port->addrs; |
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85 |
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86 /* the last address is "*" */ |
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87 |
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88 for (i = 0; i < port->naddrs - 1; i++) { |
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89 if (addr[i].addr == sin->sin_addr.s_addr) { |
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90 break; |
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91 } |
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92 } |
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93 |
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94 addr_conf = &addr[i].conf; |
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95 |
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96 break; |
641 | 97 } |
98 | |
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99 } else { |
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100 switch (c->local_sockaddr->sa_family) { |
641 | 101 |
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102 #if (NGX_HAVE_INET6) |
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103 case AF_INET6: |
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104 addr6 = port->addrs; |
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105 addr_conf = &addr6[0].conf; |
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106 break; |
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107 #endif |
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108 |
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109 default: /* AF_INET */ |
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110 addr = port->addrs; |
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111 addr_conf = &addr[0].conf; |
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112 break; |
641 | 113 } |
114 } | |
115 | |
1136 | 116 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
641 | 117 if (s == NULL) { |
1136 | 118 ngx_mail_close_connection(c); |
541 | 119 return; |
577 | 120 } |
541 | 121 |
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122 s->main_conf = addr_conf->ctx->main_conf; |
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123 s->srv_conf = addr_conf->ctx->srv_conf; |
641 | 124 |
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125 s->addr_text = &addr_conf->addr_text; |
641 | 126 |
127 c->data = s; | |
128 s->connection = c; | |
129 | |
130 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%ui client %V connected to %V", | |
131 c->number, &c->addr_text, s->addr_text); | |
132 | |
1136 | 133 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
641 | 134 if (ctx == NULL) { |
1136 | 135 ngx_mail_close_connection(c); |
641 | 136 return; |
137 } | |
138 | |
139 ctx->client = &c->addr_text; | |
140 ctx->session = s; | |
541 | 141 |
142 c->log->connection = c->number; | |
1136 | 143 c->log->handler = ngx_mail_log_error; |
641 | 144 c->log->data = ctx; |
541 | 145 c->log->action = "sending client greeting line"; |
146 | |
147 c->log_error = NGX_ERROR_INFO; | |
148 | |
1136 | 149 #if (NGX_MAIL_SSL) |
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150 { |
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151 ngx_mail_ssl_conf_t *sslcf; |
543 | 152 |
1136 | 153 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
543 | 154 |
155 if (sslcf->enable) { | |
2224 | 156 c->log->action = "SSL handshaking"; |
157 | |
1136 | 158 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
547 | 159 return; |
543 | 160 } |
2224 | 161 |
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162 if (addr_conf->ssl) { |
2224 | 163 |
164 c->log->action = "SSL handshaking"; | |
165 | |
166 if (sslcf->ssl.ctx == NULL) { | |
167 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
168 "no \"ssl_certificate\" is defined " | |
169 "in server listening on SSL port"); | |
170 ngx_mail_close_connection(c); | |
171 return; | |
172 } | |
173 | |
174 ngx_mail_ssl_init_connection(&sslcf->ssl, c); | |
175 return; | |
176 } | |
177 | |
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178 } |
543 | 179 #endif |
180 | |
1136 | 181 ngx_mail_init_session(c); |
541 | 182 } |
183 | |
184 | |
1136 | 185 #if (NGX_MAIL_SSL) |
547 | 186 |
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187 void |
1136 | 188 ngx_mail_starttls_handler(ngx_event_t *rev) |
583 | 189 { |
190 ngx_connection_t *c; | |
1136 | 191 ngx_mail_session_t *s; |
192 ngx_mail_ssl_conf_t *sslcf; | |
583 | 193 |
194 c = rev->data; | |
195 s = c->data; | |
641 | 196 s->starttls = 1; |
583 | 197 |
198 c->log->action = "in starttls state"; | |
199 | |
1136 | 200 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
583 | 201 |
1136 | 202 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
583 | 203 } |
204 | |
205 | |
206 static void | |
1136 | 207 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
583 | 208 { |
1136 | 209 ngx_mail_session_t *s; |
210 ngx_mail_core_srv_conf_t *cscf; | |
583 | 211 |
212 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
1136 | 213 ngx_mail_close_connection(c); |
583 | 214 return; |
215 } | |
216 | |
217 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
218 | |
641 | 219 s = c->data; |
220 | |
1136 | 221 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
583 | 222 |
223 ngx_add_timer(c->read, cscf->timeout); | |
224 | |
1136 | 225 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
583 | 226 |
227 return; | |
228 } | |
229 | |
1136 | 230 ngx_mail_ssl_handshake_handler(c); |
583 | 231 } |
232 | |
233 | |
234 static void | |
1136 | 235 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
577 | 236 { |
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237 ngx_mail_session_t *s; |
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238 ngx_mail_core_srv_conf_t *cscf; |
641 | 239 |
547 | 240 if (c->ssl->handshaked) { |
583 | 241 |
641 | 242 s = c->data; |
243 | |
244 if (s->starttls) { | |
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245 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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246 |
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247 c->read->handler = cscf->protocol->init_protocol; |
1136 | 248 c->write->handler = ngx_mail_send; |
583 | 249 |
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250 cscf->protocol->init_protocol(c->read); |
583 | 251 |
252 return; | |
253 } | |
254 | |
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255 c->read->ready = 0; |
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256 |
1136 | 257 ngx_mail_init_session(c); |
547 | 258 return; |
259 } | |
260 | |
1136 | 261 ngx_mail_close_connection(c); |
547 | 262 } |
263 | |
264 #endif | |
265 | |
266 | |
267 static void | |
1136 | 268 ngx_mail_init_session(ngx_connection_t *c) |
541 | 269 { |
1136 | 270 ngx_mail_session_t *s; |
271 ngx_mail_core_srv_conf_t *cscf; | |
417
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272 |
641 | 273 s = c->data; |
413
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274 |
1136 | 275 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
539 | 276 |
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277 s->protocol = cscf->protocol->type; |
539 | 278 |
1136 | 279 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
539 | 280 if (s->ctx == NULL) { |
1136 | 281 ngx_mail_session_internal_server_error(s); |
539 | 282 return; |
283 } | |
284 | |
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285 c->write->handler = ngx_mail_send; |
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286 |
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287 cscf->protocol->init_session(s, c); |
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288 } |
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289 |
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290 |
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291 ngx_int_t |
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292 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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293 ngx_mail_core_srv_conf_t *cscf) |
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294 { |
2049 | 295 s->salt.data = ngx_pnalloc(c->pool, |
296 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
297 + NGX_TIME_T_LEN | |
298 + cscf->server_name.len); | |
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299 if (s->salt.data == NULL) { |
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300 return NGX_ERROR; |
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301 } |
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302 |
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303 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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304 ngx_random(), ngx_time(), &cscf->server_name) |
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305 - s->salt.data; |
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306 |
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307 return NGX_OK; |
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308 } |
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309 |
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310 |
1479 | 311 #if (NGX_MAIL_SSL) |
312 | |
313 ngx_int_t | |
314 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
315 { | |
316 ngx_mail_ssl_conf_t *sslcf; | |
317 | |
318 if (c->ssl) { | |
319 return 0; | |
320 } | |
321 | |
322 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
323 | |
324 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
325 return 1; | |
326 } | |
327 | |
328 return 0; | |
329 } | |
330 | |
331 #endif | |
332 | |
333 | |
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334 ngx_int_t |
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335 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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336 { |
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337 u_char *p, *last; |
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338 ngx_str_t *arg, plain; |
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339 |
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340 arg = s->args.elts; |
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341 |
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342 #if (NGX_DEBUG_MAIL_PASSWD) |
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343 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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344 "mail auth plain: \"%V\"", &arg[n]); |
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345 #endif |
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346 |
2049 | 347 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
3642 | 348 if (plain.data == NULL) { |
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349 return NGX_ERROR; |
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350 } |
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351 |
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352 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
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353 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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354 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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355 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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356 } |
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357 |
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358 p = plain.data; |
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359 last = p + plain.len; |
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360 |
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361 while (p < last && *p++) { /* void */ } |
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362 |
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363 if (p == last) { |
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364 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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365 "client sent invalid login in AUTH PLAIN command"); |
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366 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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367 } |
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368 |
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369 s->login.data = p; |
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370 |
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371 while (p < last && *p) { p++; } |
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372 |
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373 if (p == last) { |
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374 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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375 "client sent invalid password in AUTH PLAIN command"); |
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376 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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377 } |
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378 |
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379 s->login.len = p++ - s->login.data; |
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380 |
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381 s->passwd.len = last - p; |
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382 s->passwd.data = p; |
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383 |
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384 #if (NGX_DEBUG_MAIL_PASSWD) |
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385 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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386 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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387 #endif |
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388 |
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389 return NGX_DONE; |
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390 } |
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391 |
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392 |
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393 ngx_int_t |
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394 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
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395 ngx_uint_t n) |
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396 { |
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397 ngx_str_t *arg; |
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398 |
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399 arg = s->args.elts; |
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400 |
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401 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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402 "mail auth login username: \"%V\"", &arg[n]); |
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403 |
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404 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
3642 | 405 if (s->login.data == NULL) { |
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406 return NGX_ERROR; |
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407 } |
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408 |
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409 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
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410 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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411 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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412 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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413 } |
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414 |
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415 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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416 "mail auth login username: \"%V\"", &s->login); |
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417 |
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418 return NGX_OK; |
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419 } |
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420 |
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421 |
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422 ngx_int_t |
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423 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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424 { |
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425 ngx_str_t *arg; |
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426 |
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427 arg = s->args.elts; |
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428 |
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429 #if (NGX_DEBUG_MAIL_PASSWD) |
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430 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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431 "mail auth login password: \"%V\"", &arg[0]); |
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432 #endif |
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433 |
2049 | 434 s->passwd.data = ngx_pnalloc(c->pool, |
435 ngx_base64_decoded_length(arg[0].len)); | |
3642 | 436 if (s->passwd.data == NULL) { |
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437 return NGX_ERROR; |
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438 } |
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439 |
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440 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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441 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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442 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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443 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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444 } |
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445 |
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446 #if (NGX_DEBUG_MAIL_PASSWD) |
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447 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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448 "mail auth login password: \"%V\"", &s->passwd); |
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449 #endif |
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450 |
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451 return NGX_DONE; |
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452 } |
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453 |
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454 |
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455 ngx_int_t |
1479 | 456 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
457 char *prefix, size_t len) | |
458 { | |
459 u_char *p; | |
460 ngx_str_t salt; | |
461 ngx_uint_t n; | |
462 | |
2049 | 463 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
1479 | 464 if (p == NULL) { |
465 return NGX_ERROR; | |
466 } | |
467 | |
468 salt.data = ngx_cpymem(p, prefix, len); | |
469 s->salt.len -= 2; | |
470 | |
471 ngx_encode_base64(&salt, &s->salt); | |
472 | |
473 s->salt.len += 2; | |
474 n = len + salt.len; | |
475 p[n++] = CR; p[n++] = LF; | |
476 | |
477 s->out.len = n; | |
478 s->out.data = p; | |
479 | |
480 return NGX_OK; | |
481 } | |
482 | |
483 | |
484 ngx_int_t | |
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485 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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486 { |
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487 u_char *p, *last; |
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488 ngx_str_t *arg; |
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489 |
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490 arg = s->args.elts; |
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491 |
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492 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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493 "mail auth cram-md5: \"%V\"", &arg[0]); |
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494 |
2049 | 495 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
3642 | 496 if (s->login.data == NULL) { |
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497 return NGX_ERROR; |
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498 } |
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499 |
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500 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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501 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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502 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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503 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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504 } |
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505 |
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506 p = s->login.data; |
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507 last = p + s->login.len; |
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508 |
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509 while (p < last) { |
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510 if (*p++ == ' ') { |
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511 s->login.len = p - s->login.data - 1; |
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512 s->passwd.len = last - p; |
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513 s->passwd.data = p; |
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514 break; |
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515 } |
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516 } |
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517 |
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518 if (s->passwd.len != 32) { |
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519 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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520 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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521 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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522 } |
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523 |
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524 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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525 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
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526 |
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527 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
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528 |
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529 return NGX_DONE; |
539 | 530 } |
531 | |
532 | |
533 void | |
1136 | 534 ngx_mail_send(ngx_event_t *wev) |
539 | 535 { |
541 | 536 ngx_int_t n; |
537 ngx_connection_t *c; | |
1136 | 538 ngx_mail_session_t *s; |
539 ngx_mail_core_srv_conf_t *cscf; | |
539 | 540 |
541 c = wev->data; | |
542 s = c->data; | |
543 | |
544 if (wev->timedout) { | |
545 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
577 | 546 c->timedout = 1; |
1136 | 547 ngx_mail_close_connection(c); |
539 | 548 return; |
549 } | |
550 | |
551 if (s->out.len == 0) { | |
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552 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
1136 | 553 ngx_mail_close_connection(c); |
539 | 554 } |
555 | |
556 return; | |
557 } | |
558 | |
559 n = c->send(c, s->out.data, s->out.len); | |
560 | |
561 if (n > 0) { | |
562 s->out.len -= n; | |
563 | |
541 | 564 if (wev->timer_set) { |
565 ngx_del_timer(wev); | |
566 } | |
567 | |
539 | 568 if (s->quit) { |
1136 | 569 ngx_mail_close_connection(c); |
539 | 570 return; |
571 } | |
572 | |
573 if (s->blocked) { | |
574 c->read->handler(c->read); | |
575 } | |
576 | |
577 return; | |
578 } | |
579 | |
580 if (n == NGX_ERROR) { | |
1136 | 581 ngx_mail_close_connection(c); |
539 | 582 return; |
583 } | |
584 | |
585 /* n == NGX_AGAIN */ | |
586 | |
1136 | 587 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
541 | 588 |
589 ngx_add_timer(c->write, cscf->timeout); | |
590 | |
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591 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
1136 | 592 ngx_mail_close_connection(c); |
539 | 593 return; |
594 } | |
413
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595 } |
417
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596 |
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597 |
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598 ngx_int_t |
1482 | 599 ngx_mail_read_command(ngx_mail_session_t *s, ngx_connection_t *c) |
420
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600 { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
601 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
|
602 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
|
603 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
|
604 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
|
605 |
1482 | 606 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
|
607 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
608 if (n == NGX_ERROR || n == 0) { |
1482 | 609 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
|
610 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
611 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
612 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
613 if (n > 0) { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
614 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
|
615 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
616 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
617 if (n == NGX_AGAIN) { |
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
618 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
1136 | 619 ngx_mail_session_internal_server_error(s); |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
620 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
621 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
622 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
623 return NGX_AGAIN; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
624 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
625 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
626 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
|
627 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
628 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
|
629 |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
630 if (rc == NGX_AGAIN) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
631 |
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
632 if (s->buffer->last < s->buffer->end) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
633 return rc; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
634 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
635 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
636 l.len = s->buffer->last - s->buffer->start; |
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
637 l.data = s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
638 |
1482 | 639 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
|
640 "client sent too long command \"%V\"", &l); |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
641 |
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
642 s->quit = 1; |
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
643 |
1136 | 644 return NGX_MAIL_PARSE_INVALID_COMMAND; |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
645 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
646 |
1136 | 647 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
|
648 return rc; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
649 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
650 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
651 if (rc == NGX_ERROR) { |
1482 | 652 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
|
653 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
654 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
655 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
656 return NGX_OK; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
657 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
658 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
659 |
521 | 660 void |
1482 | 661 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
|
662 { |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
663 s->args.nelts = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
664 s->buffer->pos = s->buffer->start; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
665 s->buffer->last = s->buffer->start; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
666 s->state = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
667 |
1482 | 668 if (c->read->timer_set) { |
669 ngx_del_timer(c->read); | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
670 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
671 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
672 s->login_attempt++; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
673 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
674 ngx_mail_auth_http_init(s); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
675 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
676 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
677 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
678 void |
1136 | 679 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
525 | 680 { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
681 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
|
682 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
683 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
|
684 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
685 s->out = cscf->protocol->internal_server_error; |
539 | 686 s->quit = 1; |
525 | 687 |
1136 | 688 ngx_mail_send(s->connection->write); |
525 | 689 } |
690 | |
691 | |
692 void | |
1136 | 693 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
|
694 { |
479 | 695 ngx_pool_t *pool; |
696 | |
1136 | 697 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
698 "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
|
699 |
1136 | 700 #if (NGX_MAIL_SSL) |
539 | 701 |
702 if (c->ssl) { | |
703 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
1136 | 704 c->ssl->handler = ngx_mail_close_connection; |
539 | 705 return; |
706 } | |
707 } | |
708 | |
709 #endif | |
710 | |
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
711 #if (NGX_STAT_STUB) |
2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
Igor Sysoev <igor@sysoev.ru>
parents:
2855
diff
changeset
|
712 (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
|
713 #endif |
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
714 |
583 | 715 c->destroyed = 1; |
543 | 716 |
479 | 717 pool = c->pool; |
718 | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
719 ngx_close_connection(c); |
479 | 720 |
501 | 721 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
|
722 } |
539 | 723 |
724 | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
725 u_char * |
1136 | 726 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
541 | 727 { |
567 | 728 u_char *p; |
1136 | 729 ngx_mail_session_t *s; |
730 ngx_mail_log_ctx_t *ctx; | |
541 | 731 |
732 if (log->action) { | |
733 p = ngx_snprintf(buf, len, " while %s", log->action); | |
734 len -= p - buf; | |
735 buf = p; | |
736 } | |
577 | 737 |
541 | 738 ctx = log->data; |
739 | |
740 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
741 len -= p - buf; | |
742 buf = p; | |
743 | |
744 s = ctx->session; | |
745 | |
746 if (s == NULL) { | |
747 return p; | |
748 } | |
749 | |
1491 | 750 p = ngx_snprintf(buf, len, "%s, server: %V", |
751 s->starttls ? " using starttls" : "", | |
752 s->addr_text); | |
541 | 753 len -= p - buf; |
754 buf = p; | |
755 | |
756 if (s->login.len == 0) { | |
757 return p; | |
758 } | |
759 | |
760 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
761 len -= p - buf; | |
762 buf = p; | |
763 | |
764 if (s->proxy == NULL) { | |
765 return p; | |
766 } | |
767 | |
884 | 768 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
541 | 769 |
770 return p; | |
771 } |