Mercurial > hg > nginx-quic
annotate src/mail/ngx_mail_handler.c @ 5919:fddc6bed1e6e
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author | Valentin Bartenev <vbart@nginx.com> |
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date | Wed, 19 Nov 2014 21:46:01 +0300 |
parents | 8e7ee4c70a3c |
children | ec01b1d1fff1 |
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> |
417
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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 size_t len; |
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26 ngx_uint_t i; |
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27 ngx_mail_port_t *port; |
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28 struct sockaddr *sa; |
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29 struct sockaddr_in *sin; |
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30 ngx_mail_log_ctx_t *ctx; |
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31 ngx_mail_in_addr_t *addr; |
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32 ngx_mail_session_t *s; |
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33 ngx_mail_addr_conf_t *addr_conf; |
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34 u_char text[NGX_SOCKADDR_STRLEN]; |
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35 #if (NGX_HAVE_INET6) |
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36 struct sockaddr_in6 *sin6; |
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37 ngx_mail_in6_addr_t *addr6; |
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38 #endif |
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39 |
641 | 40 |
41 /* find the server configuration for the address:port */ | |
42 | |
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43 port = c->listening->servers; |
641 | 44 |
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45 if (port->naddrs > 1) { |
641 | 46 |
47 /* | |
48 * There are several addresses on this port and one of them | |
49 * is the "*:port" wildcard so getsockname() is needed to determine | |
50 * the server address. | |
51 * | |
52 * AcceptEx() already gave this address. | |
53 */ | |
54 | |
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55 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { |
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56 ngx_mail_close_connection(c); |
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57 return; |
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58 } |
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59 |
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60 sa = c->local_sockaddr; |
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61 |
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62 switch (sa->sa_family) { |
541 | 63 |
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64 #if (NGX_HAVE_INET6) |
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65 case AF_INET6: |
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66 sin6 = (struct sockaddr_in6 *) sa; |
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67 |
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68 addr6 = port->addrs; |
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69 |
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70 /* the last address is "*" */ |
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71 |
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72 for (i = 0; i < port->naddrs - 1; i++) { |
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73 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) { |
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74 break; |
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75 } |
641 | 76 } |
77 | |
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78 addr_conf = &addr6[i].conf; |
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79 |
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80 break; |
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81 #endif |
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82 |
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83 default: /* AF_INET */ |
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84 sin = (struct sockaddr_in *) sa; |
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85 |
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86 addr = port->addrs; |
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87 |
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88 /* the last address is "*" */ |
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89 |
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90 for (i = 0; i < port->naddrs - 1; i++) { |
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91 if (addr[i].addr == sin->sin_addr.s_addr) { |
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92 break; |
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93 } |
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94 } |
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95 |
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96 addr_conf = &addr[i].conf; |
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97 |
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98 break; |
641 | 99 } |
100 | |
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101 } else { |
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102 switch (c->local_sockaddr->sa_family) { |
641 | 103 |
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104 #if (NGX_HAVE_INET6) |
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105 case AF_INET6: |
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106 addr6 = port->addrs; |
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107 addr_conf = &addr6[0].conf; |
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108 break; |
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109 #endif |
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110 |
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111 default: /* AF_INET */ |
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112 addr = port->addrs; |
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113 addr_conf = &addr[0].conf; |
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114 break; |
641 | 115 } |
116 } | |
117 | |
1136 | 118 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
641 | 119 if (s == NULL) { |
1136 | 120 ngx_mail_close_connection(c); |
541 | 121 return; |
577 | 122 } |
541 | 123 |
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124 s->signature = NGX_MAIL_MODULE; |
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125 |
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126 s->main_conf = addr_conf->ctx->main_conf; |
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127 s->srv_conf = addr_conf->ctx->srv_conf; |
641 | 128 |
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129 s->addr_text = &addr_conf->addr_text; |
641 | 130 |
131 c->data = s; | |
132 s->connection = c; | |
133 | |
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134 len = ngx_sock_ntop(c->sockaddr, c->socklen, text, NGX_SOCKADDR_STRLEN, 1); |
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135 |
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136 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%uA client %*s connected to %V", |
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137 c->number, len, text, s->addr_text); |
641 | 138 |
1136 | 139 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
641 | 140 if (ctx == NULL) { |
1136 | 141 ngx_mail_close_connection(c); |
641 | 142 return; |
143 } | |
144 | |
145 ctx->client = &c->addr_text; | |
146 ctx->session = s; | |
541 | 147 |
148 c->log->connection = c->number; | |
1136 | 149 c->log->handler = ngx_mail_log_error; |
641 | 150 c->log->data = ctx; |
541 | 151 c->log->action = "sending client greeting line"; |
152 | |
153 c->log_error = NGX_ERROR_INFO; | |
154 | |
1136 | 155 #if (NGX_MAIL_SSL) |
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156 { |
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157 ngx_mail_ssl_conf_t *sslcf; |
543 | 158 |
1136 | 159 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
543 | 160 |
161 if (sslcf->enable) { | |
2224 | 162 c->log->action = "SSL handshaking"; |
163 | |
1136 | 164 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
547 | 165 return; |
543 | 166 } |
2224 | 167 |
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168 if (addr_conf->ssl) { |
2224 | 169 |
170 c->log->action = "SSL handshaking"; | |
171 | |
172 if (sslcf->ssl.ctx == NULL) { | |
173 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
174 "no \"ssl_certificate\" is defined " | |
175 "in server listening on SSL port"); | |
176 ngx_mail_close_connection(c); | |
177 return; | |
178 } | |
179 | |
180 ngx_mail_ssl_init_connection(&sslcf->ssl, c); | |
181 return; | |
182 } | |
183 | |
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184 } |
543 | 185 #endif |
186 | |
1136 | 187 ngx_mail_init_session(c); |
541 | 188 } |
189 | |
190 | |
1136 | 191 #if (NGX_MAIL_SSL) |
547 | 192 |
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193 void |
1136 | 194 ngx_mail_starttls_handler(ngx_event_t *rev) |
583 | 195 { |
196 ngx_connection_t *c; | |
1136 | 197 ngx_mail_session_t *s; |
198 ngx_mail_ssl_conf_t *sslcf; | |
583 | 199 |
200 c = rev->data; | |
201 s = c->data; | |
641 | 202 s->starttls = 1; |
583 | 203 |
204 c->log->action = "in starttls state"; | |
205 | |
1136 | 206 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
583 | 207 |
1136 | 208 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
583 | 209 } |
210 | |
211 | |
212 static void | |
1136 | 213 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
583 | 214 { |
1136 | 215 ngx_mail_session_t *s; |
216 ngx_mail_core_srv_conf_t *cscf; | |
583 | 217 |
218 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
1136 | 219 ngx_mail_close_connection(c); |
583 | 220 return; |
221 } | |
222 | |
223 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
224 | |
641 | 225 s = c->data; |
226 | |
1136 | 227 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
583 | 228 |
229 ngx_add_timer(c->read, cscf->timeout); | |
230 | |
1136 | 231 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
583 | 232 |
233 return; | |
234 } | |
235 | |
1136 | 236 ngx_mail_ssl_handshake_handler(c); |
583 | 237 } |
238 | |
239 | |
240 static void | |
1136 | 241 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
577 | 242 { |
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243 ngx_mail_session_t *s; |
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244 ngx_mail_core_srv_conf_t *cscf; |
641 | 245 |
547 | 246 if (c->ssl->handshaked) { |
583 | 247 |
641 | 248 s = c->data; |
249 | |
250 if (s->starttls) { | |
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251 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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252 |
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253 c->read->handler = cscf->protocol->init_protocol; |
1136 | 254 c->write->handler = ngx_mail_send; |
583 | 255 |
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256 cscf->protocol->init_protocol(c->read); |
583 | 257 |
258 return; | |
259 } | |
260 | |
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261 c->read->ready = 0; |
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262 |
1136 | 263 ngx_mail_init_session(c); |
547 | 264 return; |
265 } | |
266 | |
1136 | 267 ngx_mail_close_connection(c); |
547 | 268 } |
269 | |
270 #endif | |
271 | |
272 | |
273 static void | |
1136 | 274 ngx_mail_init_session(ngx_connection_t *c) |
541 | 275 { |
1136 | 276 ngx_mail_session_t *s; |
277 ngx_mail_core_srv_conf_t *cscf; | |
417
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278 |
641 | 279 s = c->data; |
413
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280 |
1136 | 281 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
539 | 282 |
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283 s->protocol = cscf->protocol->type; |
539 | 284 |
1136 | 285 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
539 | 286 if (s->ctx == NULL) { |
1136 | 287 ngx_mail_session_internal_server_error(s); |
539 | 288 return; |
289 } | |
290 | |
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291 c->write->handler = ngx_mail_send; |
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292 |
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293 cscf->protocol->init_session(s, c); |
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294 } |
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295 |
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296 |
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297 ngx_int_t |
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298 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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299 ngx_mail_core_srv_conf_t *cscf) |
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300 { |
2049 | 301 s->salt.data = ngx_pnalloc(c->pool, |
302 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
303 + NGX_TIME_T_LEN | |
304 + cscf->server_name.len); | |
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305 if (s->salt.data == NULL) { |
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306 return NGX_ERROR; |
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307 } |
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308 |
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309 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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310 ngx_random(), ngx_time(), &cscf->server_name) |
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311 - s->salt.data; |
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312 |
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313 return NGX_OK; |
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314 } |
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315 |
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316 |
1479 | 317 #if (NGX_MAIL_SSL) |
318 | |
319 ngx_int_t | |
320 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
321 { | |
322 ngx_mail_ssl_conf_t *sslcf; | |
323 | |
324 if (c->ssl) { | |
325 return 0; | |
326 } | |
327 | |
328 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
329 | |
330 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
331 return 1; | |
332 } | |
333 | |
334 return 0; | |
335 } | |
336 | |
337 #endif | |
338 | |
339 | |
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340 ngx_int_t |
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341 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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342 { |
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343 u_char *p, *last; |
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344 ngx_str_t *arg, plain; |
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345 |
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346 arg = s->args.elts; |
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347 |
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348 #if (NGX_DEBUG_MAIL_PASSWD) |
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349 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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350 "mail auth plain: \"%V\"", &arg[n]); |
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351 #endif |
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352 |
2049 | 353 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
3642 | 354 if (plain.data == NULL) { |
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355 return NGX_ERROR; |
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356 } |
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357 |
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358 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
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359 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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360 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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361 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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362 } |
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363 |
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364 p = plain.data; |
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365 last = p + plain.len; |
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366 |
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367 while (p < last && *p++) { /* void */ } |
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368 |
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369 if (p == last) { |
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370 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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371 "client sent invalid login in AUTH PLAIN command"); |
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372 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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373 } |
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374 |
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375 s->login.data = p; |
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376 |
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377 while (p < last && *p) { p++; } |
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378 |
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379 if (p == last) { |
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380 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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381 "client sent invalid password in AUTH PLAIN command"); |
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382 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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383 } |
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384 |
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385 s->login.len = p++ - s->login.data; |
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386 |
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387 s->passwd.len = last - p; |
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388 s->passwd.data = p; |
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389 |
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390 #if (NGX_DEBUG_MAIL_PASSWD) |
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391 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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392 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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393 #endif |
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394 |
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395 return NGX_DONE; |
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396 } |
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397 |
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398 |
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399 ngx_int_t |
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400 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
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401 ngx_uint_t n) |
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402 { |
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403 ngx_str_t *arg; |
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404 |
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405 arg = s->args.elts; |
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406 |
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407 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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408 "mail auth login username: \"%V\"", &arg[n]); |
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409 |
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410 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
3642 | 411 if (s->login.data == NULL) { |
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412 return NGX_ERROR; |
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413 } |
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414 |
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415 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
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416 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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417 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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418 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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419 } |
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420 |
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421 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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422 "mail auth login username: \"%V\"", &s->login); |
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423 |
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424 return NGX_OK; |
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425 } |
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426 |
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427 |
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428 ngx_int_t |
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429 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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430 { |
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431 ngx_str_t *arg; |
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432 |
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433 arg = s->args.elts; |
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434 |
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435 #if (NGX_DEBUG_MAIL_PASSWD) |
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436 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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437 "mail auth login password: \"%V\"", &arg[0]); |
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438 #endif |
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439 |
2049 | 440 s->passwd.data = ngx_pnalloc(c->pool, |
441 ngx_base64_decoded_length(arg[0].len)); | |
3642 | 442 if (s->passwd.data == NULL) { |
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443 return NGX_ERROR; |
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444 } |
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445 |
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446 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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447 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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448 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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449 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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450 } |
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451 |
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452 #if (NGX_DEBUG_MAIL_PASSWD) |
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453 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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454 "mail auth login password: \"%V\"", &s->passwd); |
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455 #endif |
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456 |
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457 return NGX_DONE; |
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458 } |
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459 |
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460 |
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461 ngx_int_t |
1479 | 462 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
463 char *prefix, size_t len) | |
464 { | |
465 u_char *p; | |
466 ngx_str_t salt; | |
467 ngx_uint_t n; | |
468 | |
2049 | 469 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
1479 | 470 if (p == NULL) { |
471 return NGX_ERROR; | |
472 } | |
473 | |
474 salt.data = ngx_cpymem(p, prefix, len); | |
475 s->salt.len -= 2; | |
476 | |
477 ngx_encode_base64(&salt, &s->salt); | |
478 | |
479 s->salt.len += 2; | |
480 n = len + salt.len; | |
481 p[n++] = CR; p[n++] = LF; | |
482 | |
483 s->out.len = n; | |
484 s->out.data = p; | |
485 | |
486 return NGX_OK; | |
487 } | |
488 | |
489 | |
490 ngx_int_t | |
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491 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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492 { |
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493 u_char *p, *last; |
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494 ngx_str_t *arg; |
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495 |
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496 arg = s->args.elts; |
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497 |
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498 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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499 "mail auth cram-md5: \"%V\"", &arg[0]); |
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500 |
2049 | 501 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
3642 | 502 if (s->login.data == NULL) { |
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503 return NGX_ERROR; |
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504 } |
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505 |
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506 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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507 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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508 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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509 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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510 } |
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511 |
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512 p = s->login.data; |
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513 last = p + s->login.len; |
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514 |
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515 while (p < last) { |
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516 if (*p++ == ' ') { |
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517 s->login.len = p - s->login.data - 1; |
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518 s->passwd.len = last - p; |
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519 s->passwd.data = p; |
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520 break; |
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521 } |
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522 } |
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523 |
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524 if (s->passwd.len != 32) { |
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525 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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526 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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527 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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528 } |
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529 |
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530 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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531 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
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532 |
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533 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
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534 |
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535 return NGX_DONE; |
539 | 536 } |
537 | |
538 | |
539 void | |
1136 | 540 ngx_mail_send(ngx_event_t *wev) |
539 | 541 { |
541 | 542 ngx_int_t n; |
543 ngx_connection_t *c; | |
1136 | 544 ngx_mail_session_t *s; |
545 ngx_mail_core_srv_conf_t *cscf; | |
539 | 546 |
547 c = wev->data; | |
548 s = c->data; | |
549 | |
550 if (wev->timedout) { | |
551 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
577 | 552 c->timedout = 1; |
1136 | 553 ngx_mail_close_connection(c); |
539 | 554 return; |
555 } | |
556 | |
557 if (s->out.len == 0) { | |
2388
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558 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
1136 | 559 ngx_mail_close_connection(c); |
539 | 560 } |
561 | |
562 return; | |
563 } | |
564 | |
565 n = c->send(c, s->out.data, s->out.len); | |
566 | |
567 if (n > 0) { | |
5632
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Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
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|
568 s->out.data += n; |
539 | 569 s->out.len -= n; |
570 | |
5632
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571 if (s->out.len != 0) { |
b42e7c790b81
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572 goto again; |
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
573 } |
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
574 |
541 | 575 if (wev->timer_set) { |
576 ngx_del_timer(wev); | |
577 } | |
578 | |
539 | 579 if (s->quit) { |
1136 | 580 ngx_mail_close_connection(c); |
539 | 581 return; |
582 } | |
583 | |
584 if (s->blocked) { | |
585 c->read->handler(c->read); | |
586 } | |
587 | |
588 return; | |
589 } | |
590 | |
591 if (n == NGX_ERROR) { | |
1136 | 592 ngx_mail_close_connection(c); |
539 | 593 return; |
594 } | |
595 | |
596 /* n == NGX_AGAIN */ | |
597 | |
5632
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
598 again: |
b42e7c790b81
Mail: fixed ngx_mail_send() (ticket #519).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5600
diff
changeset
|
599 |
1136 | 600 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
541 | 601 |
602 ngx_add_timer(c->write, cscf->timeout); | |
603 | |
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
604 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
1136 | 605 ngx_mail_close_connection(c); |
539 | 606 return; |
607 } | |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
608 } |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
609 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
610 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
611 ngx_int_t |
1482 | 612 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
|
613 { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
614 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
|
615 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
|
616 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
|
617 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
|
618 |
1482 | 619 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
|
620 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
621 if (n == NGX_ERROR || n == 0) { |
1482 | 622 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
|
623 return NGX_ERROR; |
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 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
626 if (n > 0) { |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
627 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
|
628 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
629 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
630 if (n == NGX_AGAIN) { |
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
631 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
1136 | 632 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
|
633 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
634 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
635 |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
636 if (s->buffer->pos == s->buffer->last) { |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
637 return NGX_AGAIN; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
638 } |
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
639 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
640 |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
641 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
|
642 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
643 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
|
644 |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
645 if (rc == NGX_AGAIN) { |
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 if (s->buffer->last < s->buffer->end) { |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
648 return rc; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
649 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
650 |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
651 l.len = s->buffer->last - s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
652 l.data = s->buffer->start; |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
653 |
1482 | 654 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
|
655 "client sent too long command \"%V\"", &l); |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
656 |
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
657 s->quit = 1; |
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
658 |
1136 | 659 return NGX_MAIL_PARSE_INVALID_COMMAND; |
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
660 } |
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
661 |
1136 | 662 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
|
663 return rc; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
664 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
665 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
666 if (rc == NGX_ERROR) { |
1482 | 667 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
|
668 return NGX_ERROR; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
669 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
670 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
671 return NGX_OK; |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
672 } |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
673 |
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
674 |
521 | 675 void |
1482 | 676 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
|
677 { |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
678 s->args.nelts = 0; |
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
679 |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
680 if (s->buffer->pos == s->buffer->last) { |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
681 s->buffer->pos = s->buffer->start; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
682 s->buffer->last = s->buffer->start; |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
683 } |
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
684 |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
685 s->state = 0; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
686 |
1482 | 687 if (c->read->timer_set) { |
688 ngx_del_timer(c->read); | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
689 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
690 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
691 s->login_attempt++; |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
692 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
693 ngx_mail_auth_http_init(s); |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
694 } |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
695 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
696 |
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
697 void |
1136 | 698 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
525 | 699 { |
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
700 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
|
701 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
702 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
|
703 |
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
704 s->out = cscf->protocol->internal_server_error; |
539 | 705 s->quit = 1; |
525 | 706 |
1136 | 707 ngx_mail_send(s->connection->write); |
525 | 708 } |
709 | |
710 | |
711 void | |
1136 | 712 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
|
713 { |
479 | 714 ngx_pool_t *pool; |
715 | |
1136 | 716 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
717 "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
|
718 |
1136 | 719 #if (NGX_MAIL_SSL) |
539 | 720 |
721 if (c->ssl) { | |
722 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
1136 | 723 c->ssl->handler = ngx_mail_close_connection; |
539 | 724 return; |
725 } | |
726 } | |
727 | |
728 #endif | |
729 | |
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
730 #if (NGX_STAT_STUB) |
2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
Igor Sysoev <igor@sysoev.ru>
parents:
2855
diff
changeset
|
731 (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
|
732 #endif |
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
733 |
583 | 734 c->destroyed = 1; |
543 | 735 |
479 | 736 pool = c->pool; |
737 | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
738 ngx_close_connection(c); |
479 | 739 |
501 | 740 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
|
741 } |
539 | 742 |
743 | |
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
744 u_char * |
1136 | 745 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
541 | 746 { |
567 | 747 u_char *p; |
1136 | 748 ngx_mail_session_t *s; |
749 ngx_mail_log_ctx_t *ctx; | |
541 | 750 |
751 if (log->action) { | |
752 p = ngx_snprintf(buf, len, " while %s", log->action); | |
753 len -= p - buf; | |
754 buf = p; | |
755 } | |
577 | 756 |
541 | 757 ctx = log->data; |
758 | |
759 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
760 len -= p - buf; | |
761 buf = p; | |
762 | |
763 s = ctx->session; | |
764 | |
765 if (s == NULL) { | |
766 return p; | |
767 } | |
768 | |
1491 | 769 p = ngx_snprintf(buf, len, "%s, server: %V", |
770 s->starttls ? " using starttls" : "", | |
771 s->addr_text); | |
541 | 772 len -= p - buf; |
773 buf = p; | |
774 | |
775 if (s->login.len == 0) { | |
776 return p; | |
777 } | |
778 | |
779 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
780 len -= p - buf; | |
781 buf = p; | |
782 | |
783 if (s->proxy == NULL) { | |
784 return p; | |
785 } | |
786 | |
884 | 787 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
541 | 788 |
789 return p; | |
790 } |