Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 3060:1427ef8d4e56
bump version
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sat, 29 Aug 2009 18:39:32 +0000 |
parents | 5acd98486a33 |
children | ac33852faaac |
rev | line source |
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1 |
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2 /* |
444
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
1136 | 10 #include <ngx_mail.h> |
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11 |
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12 |
1136 | 13 static void ngx_mail_init_session(ngx_connection_t *c); |
413
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14 |
1136 | 15 #if (NGX_MAIL_SSL) |
16 static void ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c); | |
17 static void ngx_mail_ssl_handshake_handler(ngx_connection_t *c); | |
539 | 18 #endif |
19 | |
413
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20 |
521 | 21 void |
1136 | 22 ngx_mail_init_connection(ngx_connection_t *c) |
413
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23 { |
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24 ngx_uint_t i; |
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25 ngx_mail_port_t *port; |
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26 struct sockaddr *sa; |
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27 struct sockaddr_in *sin; |
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28 ngx_mail_log_ctx_t *ctx; |
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29 ngx_mail_in_addr_t *addr; |
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30 ngx_mail_session_t *s; |
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31 ngx_mail_addr_conf_t *addr_conf; |
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32 #if (NGX_HAVE_INET6) |
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33 struct sockaddr_in6 *sin6; |
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34 ngx_mail_in6_addr_t *addr6; |
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35 #endif |
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36 |
641 | 37 |
38 /* find the server configuration for the address:port */ | |
39 | |
40 /* AF_INET only */ | |
41 | |
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42 port = c->listening->servers; |
641 | 43 |
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44 if (port->naddrs > 1) { |
641 | 45 |
46 /* | |
47 * There are several addresses on this port and one of them | |
48 * is the "*:port" wildcard so getsockname() is needed to determine | |
49 * the server address. | |
50 * | |
51 * AcceptEx() already gave this address. | |
52 */ | |
53 | |
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54 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { |
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55 ngx_mail_close_connection(c); |
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56 return; |
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57 } |
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58 |
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59 sa = c->local_sockaddr; |
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60 |
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61 switch (sa->sa_family) { |
541 | 62 |
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63 #if (NGX_HAVE_INET6) |
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64 case AF_INET6: |
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65 sin6 = (struct sockaddr_in6 *) sa; |
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66 |
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67 addr6 = port->addrs; |
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68 |
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69 /* the last address is "*" */ |
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70 |
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71 for (i = 0; i < port->naddrs - 1; i++) { |
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72 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) { |
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73 break; |
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74 } |
641 | 75 } |
76 | |
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77 addr_conf = &addr6[i].conf; |
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78 |
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79 break; |
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80 #endif |
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81 |
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82 default: /* AF_INET */ |
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83 sin = (struct sockaddr_in *) sa; |
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84 |
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85 addr = port->addrs; |
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86 |
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87 /* the last address is "*" */ |
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88 |
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89 for (i = 0; i < port->naddrs - 1; i++) { |
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90 if (addr[i].addr == sin->sin_addr.s_addr) { |
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91 break; |
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92 } |
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93 } |
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94 |
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95 addr_conf = &addr[i].conf; |
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96 |
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97 break; |
641 | 98 } |
99 | |
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100 } else { |
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101 switch (c->local_sockaddr->sa_family) { |
641 | 102 |
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103 #if (NGX_HAVE_INET6) |
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104 case AF_INET6: |
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105 addr6 = port->addrs; |
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106 addr_conf = &addr6[0].conf; |
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107 break; |
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108 #endif |
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109 |
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110 default: /* AF_INET */ |
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111 addr = port->addrs; |
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112 addr_conf = &addr[0].conf; |
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113 break; |
641 | 114 } |
115 } | |
116 | |
1136 | 117 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
641 | 118 if (s == NULL) { |
1136 | 119 ngx_mail_close_connection(c); |
541 | 120 return; |
577 | 121 } |
541 | 122 |
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123 s->main_conf = addr_conf->ctx->main_conf; |
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124 s->srv_conf = addr_conf->ctx->srv_conf; |
641 | 125 |
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126 s->addr_text = &addr_conf->addr_text; |
641 | 127 |
128 c->data = s; | |
129 s->connection = c; | |
130 | |
131 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%ui client %V connected to %V", | |
132 c->number, &c->addr_text, s->addr_text); | |
133 | |
1136 | 134 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
641 | 135 if (ctx == NULL) { |
1136 | 136 ngx_mail_close_connection(c); |
641 | 137 return; |
138 } | |
139 | |
140 ctx->client = &c->addr_text; | |
141 ctx->session = s; | |
541 | 142 |
143 c->log->connection = c->number; | |
1136 | 144 c->log->handler = ngx_mail_log_error; |
641 | 145 c->log->data = ctx; |
541 | 146 c->log->action = "sending client greeting line"; |
147 | |
148 c->log_error = NGX_ERROR_INFO; | |
149 | |
1136 | 150 #if (NGX_MAIL_SSL) |
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151 { |
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152 ngx_mail_ssl_conf_t *sslcf; |
543 | 153 |
1136 | 154 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
543 | 155 |
156 if (sslcf->enable) { | |
2224 | 157 c->log->action = "SSL handshaking"; |
158 | |
1136 | 159 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
547 | 160 return; |
543 | 161 } |
2224 | 162 |
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163 if (addr_conf->ssl) { |
2224 | 164 |
165 c->log->action = "SSL handshaking"; | |
166 | |
167 if (sslcf->ssl.ctx == NULL) { | |
168 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
169 "no \"ssl_certificate\" is defined " | |
170 "in server listening on SSL port"); | |
171 ngx_mail_close_connection(c); | |
172 return; | |
173 } | |
174 | |
175 ngx_mail_ssl_init_connection(&sslcf->ssl, c); | |
176 return; | |
177 } | |
178 | |
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179 } |
543 | 180 #endif |
181 | |
1136 | 182 ngx_mail_init_session(c); |
541 | 183 } |
184 | |
185 | |
1136 | 186 #if (NGX_MAIL_SSL) |
547 | 187 |
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188 void |
1136 | 189 ngx_mail_starttls_handler(ngx_event_t *rev) |
583 | 190 { |
191 ngx_connection_t *c; | |
1136 | 192 ngx_mail_session_t *s; |
193 ngx_mail_ssl_conf_t *sslcf; | |
583 | 194 |
195 c = rev->data; | |
196 s = c->data; | |
641 | 197 s->starttls = 1; |
583 | 198 |
199 c->log->action = "in starttls state"; | |
200 | |
1136 | 201 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
583 | 202 |
1136 | 203 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
583 | 204 } |
205 | |
206 | |
207 static void | |
1136 | 208 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
583 | 209 { |
1136 | 210 ngx_mail_session_t *s; |
211 ngx_mail_core_srv_conf_t *cscf; | |
583 | 212 |
213 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
1136 | 214 ngx_mail_close_connection(c); |
583 | 215 return; |
216 } | |
217 | |
218 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
219 | |
641 | 220 s = c->data; |
221 | |
1136 | 222 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
583 | 223 |
224 ngx_add_timer(c->read, cscf->timeout); | |
225 | |
1136 | 226 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
583 | 227 |
228 return; | |
229 } | |
230 | |
1136 | 231 ngx_mail_ssl_handshake_handler(c); |
583 | 232 } |
233 | |
234 | |
235 static void | |
1136 | 236 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
577 | 237 { |
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238 ngx_mail_session_t *s; |
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239 ngx_mail_core_srv_conf_t *cscf; |
641 | 240 |
547 | 241 if (c->ssl->handshaked) { |
583 | 242 |
641 | 243 s = c->data; |
244 | |
245 if (s->starttls) { | |
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246 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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247 |
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248 c->read->handler = cscf->protocol->init_protocol; |
1136 | 249 c->write->handler = ngx_mail_send; |
583 | 250 |
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251 cscf->protocol->init_protocol(c->read); |
583 | 252 |
253 return; | |
254 } | |
255 | |
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256 c->read->ready = 0; |
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257 |
1136 | 258 ngx_mail_init_session(c); |
547 | 259 return; |
260 } | |
261 | |
1136 | 262 ngx_mail_close_connection(c); |
547 | 263 } |
264 | |
265 #endif | |
266 | |
267 | |
268 static void | |
1136 | 269 ngx_mail_init_session(ngx_connection_t *c) |
541 | 270 { |
1136 | 271 ngx_mail_session_t *s; |
272 ngx_mail_core_srv_conf_t *cscf; | |
417
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273 |
641 | 274 s = c->data; |
413
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275 |
1136 | 276 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
539 | 277 |
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278 s->protocol = cscf->protocol->type; |
539 | 279 |
1136 | 280 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
539 | 281 if (s->ctx == NULL) { |
1136 | 282 ngx_mail_session_internal_server_error(s); |
539 | 283 return; |
284 } | |
285 | |
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286 c->write->handler = ngx_mail_send; |
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287 |
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288 cscf->protocol->init_session(s, c); |
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289 } |
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290 |
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291 |
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292 ngx_int_t |
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293 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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294 ngx_mail_core_srv_conf_t *cscf) |
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295 { |
2049 | 296 s->salt.data = ngx_pnalloc(c->pool, |
297 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
298 + NGX_TIME_T_LEN | |
299 + cscf->server_name.len); | |
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300 if (s->salt.data == NULL) { |
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301 return NGX_ERROR; |
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302 } |
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303 |
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304 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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305 ngx_random(), ngx_time(), &cscf->server_name) |
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306 - s->salt.data; |
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307 |
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308 return NGX_OK; |
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309 } |
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310 |
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311 |
1479 | 312 #if (NGX_MAIL_SSL) |
313 | |
314 ngx_int_t | |
315 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
316 { | |
317 ngx_mail_ssl_conf_t *sslcf; | |
318 | |
319 if (c->ssl) { | |
320 return 0; | |
321 } | |
322 | |
323 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
324 | |
325 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
326 return 1; | |
327 } | |
328 | |
329 return 0; | |
330 } | |
331 | |
332 #endif | |
333 | |
334 | |
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335 ngx_int_t |
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336 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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337 { |
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338 u_char *p, *last; |
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339 ngx_str_t *arg, plain; |
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340 |
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341 arg = s->args.elts; |
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342 |
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343 #if (NGX_DEBUG_MAIL_PASSWD) |
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344 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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345 "mail auth plain: \"%V\"", &arg[n]); |
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346 #endif |
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347 |
2049 | 348 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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349 if (plain.data == NULL){ |
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350 return NGX_ERROR; |
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351 } |
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352 |
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353 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
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354 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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355 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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356 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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357 } |
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358 |
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359 p = plain.data; |
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360 last = p + plain.len; |
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361 |
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362 while (p < last && *p++) { /* void */ } |
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363 |
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364 if (p == last) { |
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365 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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366 "client sent invalid login in AUTH PLAIN command"); |
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367 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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368 } |
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369 |
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370 s->login.data = p; |
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371 |
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372 while (p < last && *p) { p++; } |
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373 |
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374 if (p == last) { |
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375 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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376 "client sent invalid password in AUTH PLAIN command"); |
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377 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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378 } |
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379 |
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380 s->login.len = p++ - s->login.data; |
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381 |
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382 s->passwd.len = last - p; |
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383 s->passwd.data = p; |
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384 |
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385 #if (NGX_DEBUG_MAIL_PASSWD) |
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386 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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387 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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388 #endif |
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389 |
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390 return NGX_DONE; |
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391 } |
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392 |
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393 |
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394 ngx_int_t |
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395 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
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396 ngx_uint_t n) |
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397 { |
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398 ngx_str_t *arg; |
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399 |
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400 arg = s->args.elts; |
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401 |
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402 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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403 "mail auth login username: \"%V\"", &arg[n]); |
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404 |
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405 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
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406 if (s->login.data == NULL){ |
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407 return NGX_ERROR; |
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408 } |
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409 |
2495
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410 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
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411 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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412 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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413 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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414 } |
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415 |
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416 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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417 "mail auth login username: \"%V\"", &s->login); |
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418 |
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419 return NGX_OK; |
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420 } |
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421 |
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422 |
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423 ngx_int_t |
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424 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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425 { |
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426 ngx_str_t *arg; |
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427 |
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428 arg = s->args.elts; |
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429 |
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430 #if (NGX_DEBUG_MAIL_PASSWD) |
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431 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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432 "mail auth login password: \"%V\"", &arg[0]); |
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433 #endif |
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434 |
2049 | 435 s->passwd.data = ngx_pnalloc(c->pool, |
436 ngx_base64_decoded_length(arg[0].len)); | |
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437 if (s->passwd.data == NULL){ |
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438 return NGX_ERROR; |
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439 } |
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440 |
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441 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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442 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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443 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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444 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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445 } |
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446 |
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447 #if (NGX_DEBUG_MAIL_PASSWD) |
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448 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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449 "mail auth login password: \"%V\"", &s->passwd); |
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450 #endif |
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451 |
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452 return NGX_DONE; |
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453 } |
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454 |
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455 |
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456 ngx_int_t |
1479 | 457 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
458 char *prefix, size_t len) | |
459 { | |
460 u_char *p; | |
461 ngx_str_t salt; | |
462 ngx_uint_t n; | |
463 | |
2049 | 464 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
1479 | 465 if (p == NULL) { |
466 return NGX_ERROR; | |
467 } | |
468 | |
469 salt.data = ngx_cpymem(p, prefix, len); | |
470 s->salt.len -= 2; | |
471 | |
472 ngx_encode_base64(&salt, &s->salt); | |
473 | |
474 s->salt.len += 2; | |
475 n = len + salt.len; | |
476 p[n++] = CR; p[n++] = LF; | |
477 | |
478 s->out.len = n; | |
479 s->out.data = p; | |
480 | |
481 return NGX_OK; | |
482 } | |
483 | |
484 | |
485 ngx_int_t | |
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486 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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487 { |
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488 u_char *p, *last; |
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489 ngx_str_t *arg; |
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490 |
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491 arg = s->args.elts; |
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492 |
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493 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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494 "mail auth cram-md5: \"%V\"", &arg[0]); |
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495 |
2049 | 496 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
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497 if (s->login.data == NULL){ |
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498 return NGX_ERROR; |
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499 } |
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500 |
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501 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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502 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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503 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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504 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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505 } |
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506 |
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507 p = s->login.data; |
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508 last = p + s->login.len; |
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509 |
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510 while (p < last) { |
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511 if (*p++ == ' ') { |
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512 s->login.len = p - s->login.data - 1; |
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513 s->passwd.len = last - p; |
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514 s->passwd.data = p; |
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515 break; |
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516 } |
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517 } |
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518 |
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519 if (s->passwd.len != 32) { |
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520 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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521 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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522 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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523 } |
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524 |
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525 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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526 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
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527 |
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528 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
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529 |
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530 return NGX_DONE; |
539 | 531 } |
532 | |
533 | |
534 void | |
1136 | 535 ngx_mail_send(ngx_event_t *wev) |
539 | 536 { |
541 | 537 ngx_int_t n; |
538 ngx_connection_t *c; | |
1136 | 539 ngx_mail_session_t *s; |
540 ngx_mail_core_srv_conf_t *cscf; | |
539 | 541 |
542 c = wev->data; | |
543 s = c->data; | |
544 | |
545 if (wev->timedout) { | |
546 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
577 | 547 c->timedout = 1; |
1136 | 548 ngx_mail_close_connection(c); |
539 | 549 return; |
550 } | |
551 | |
552 if (s->out.len == 0) { | |
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553 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
1136 | 554 ngx_mail_close_connection(c); |
539 | 555 } |
556 | |
557 return; | |
558 } | |
559 | |
560 n = c->send(c, s->out.data, s->out.len); | |
561 | |
562 if (n > 0) { | |
563 s->out.len -= n; | |
564 | |
541 | 565 if (wev->timer_set) { |
566 ngx_del_timer(wev); | |
567 } | |
568 | |
539 | 569 if (s->quit) { |
1136 | 570 ngx_mail_close_connection(c); |
539 | 571 return; |
572 } | |
573 | |
574 if (s->blocked) { | |
575 c->read->handler(c->read); | |
576 } | |
577 | |
578 return; | |
579 } | |
580 | |
581 if (n == NGX_ERROR) { | |
1136 | 582 ngx_mail_close_connection(c); |
539 | 583 return; |
584 } | |
585 | |
586 /* n == NGX_AGAIN */ | |
587 | |
1136 | 588 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
541 | 589 |
590 ngx_add_timer(c->write, cscf->timeout); | |
591 | |
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592 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
1136 | 593 ngx_mail_close_connection(c); |
539 | 594 return; |
595 } | |
413
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596 } |
417
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597 |
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598 |
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diff
changeset
|
599 ngx_int_t |
1482 | 600 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
|
601 { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
602 ssize_t n; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
1482
diff
changeset
|
603 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
|
604 ngx_str_t l; |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
1482
diff
changeset
|
605 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
|
606 |
1482 | 607 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
|
608 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
609 if (n == NGX_ERROR || n == 0) { |
1482 | 610 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
|
611 return NGX_ERROR; |
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 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
614 if (n > 0) { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
615 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
|
616 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
617 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
618 if (n == NGX_AGAIN) { |
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
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parents:
2224
diff
changeset
|
619 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
1136 | 620 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
|
621 return NGX_ERROR; |
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 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
624 return NGX_AGAIN; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
625 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
626 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
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parents:
1482
diff
changeset
|
627 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
|
628 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
629 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
|
630 |
1108
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
631 if (rc == NGX_AGAIN) { |
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
632 |
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
633 if (s->buffer->last < s->buffer->end) { |
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
634 return rc; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
635 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
636 |
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
637 l.len = s->buffer->last - s->buffer->start; |
109e8c7d7cc1
return error for too long commands
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parents:
1107
diff
changeset
|
638 l.data = s->buffer->start; |
109e8c7d7cc1
return error for too long commands
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parents:
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diff
changeset
|
639 |
1482 | 640 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
|
641 "client sent too long command \"%V\"", &l); |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
642 |
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
643 s->quit = 1; |
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
644 |
1136 | 645 return NGX_MAIL_PARSE_INVALID_COMMAND; |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
646 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
647 |
1136 | 648 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
|
649 return rc; |
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 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
652 if (rc == NGX_ERROR) { |
1482 | 653 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
|
654 return NGX_ERROR; |
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 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
657 return NGX_OK; |
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 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
660 |
521 | 661 void |
1482 | 662 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
|
663 { |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
664 s->args.nelts = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
665 s->buffer->pos = s->buffer->start; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
666 s->buffer->last = s->buffer->start; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
667 s->state = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
668 |
1482 | 669 if (c->read->timer_set) { |
670 ngx_del_timer(c->read); | |
1476
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 |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
673 s->login_attempt++; |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
674 |
67578e966dcc
split pop3, imap, and smtp handlers
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parents:
1472
diff
changeset
|
675 ngx_mail_auth_http_init(s); |
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 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
679 void |
1136 | 680 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
525 | 681 { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
682 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
|
683 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
684 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
|
685 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
686 s->out = cscf->protocol->internal_server_error; |
539 | 687 s->quit = 1; |
525 | 688 |
1136 | 689 ngx_mail_send(s->connection->write); |
525 | 690 } |
691 | |
692 | |
693 void | |
1136 | 694 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
|
695 { |
479 | 696 ngx_pool_t *pool; |
697 | |
1136 | 698 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
699 "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
|
700 |
1136 | 701 #if (NGX_MAIL_SSL) |
539 | 702 |
703 if (c->ssl) { | |
704 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
1136 | 705 c->ssl->handler = ngx_mail_close_connection; |
539 | 706 return; |
707 } | |
708 } | |
709 | |
710 #endif | |
711 | |
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
712 #if (NGX_STAT_STUB) |
2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
Igor Sysoev <igor@sysoev.ru>
parents:
2855
diff
changeset
|
713 (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
|
714 #endif |
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
715 |
583 | 716 c->destroyed = 1; |
543 | 717 |
479 | 718 pool = c->pool; |
719 | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
720 ngx_close_connection(c); |
479 | 721 |
501 | 722 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
|
723 } |
539 | 724 |
725 | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
726 u_char * |
1136 | 727 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
541 | 728 { |
567 | 729 u_char *p; |
1136 | 730 ngx_mail_session_t *s; |
731 ngx_mail_log_ctx_t *ctx; | |
541 | 732 |
733 if (log->action) { | |
734 p = ngx_snprintf(buf, len, " while %s", log->action); | |
735 len -= p - buf; | |
736 buf = p; | |
737 } | |
577 | 738 |
541 | 739 ctx = log->data; |
740 | |
741 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
742 len -= p - buf; | |
743 buf = p; | |
744 | |
745 s = ctx->session; | |
746 | |
747 if (s == NULL) { | |
748 return p; | |
749 } | |
750 | |
1491 | 751 p = ngx_snprintf(buf, len, "%s, server: %V", |
752 s->starttls ? " using starttls" : "", | |
753 s->addr_text); | |
541 | 754 len -= p - buf; |
755 buf = p; | |
756 | |
757 if (s->login.len == 0) { | |
758 return p; | |
759 } | |
760 | |
761 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
762 len -= p - buf; | |
763 buf = p; | |
764 | |
765 if (s->proxy == NULL) { | |
766 return p; | |
767 } | |
768 | |
884 | 769 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
541 | 770 |
771 return p; | |
772 } |