Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 5398:04e43d03e153
Mail: smtp pipelining support.
Basically, this does the following two changes (and corresponding
modifications of related code):
1. Does not reset session buffer unless it's reached it's end, and always
wait for LF to terminate command (even if we detected invalid command).
2. Record command name to make it available for handlers (since now we
can't assume that command starts from s->buffer->start).
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Mon, 30 Sep 2013 22:09:57 +0400 |
| parents | 28a64967e891 |
| children | 957d734362ed |
| rev | line source |
|---|---|
|
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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. |
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
| 1136 | 11 #include <ngx_mail.h> |
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12 |
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13 |
| 1136 | 14 static void ngx_mail_init_session(ngx_connection_t *c); |
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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 | |
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21 |
| 521 | 22 void |
| 1136 | 23 ngx_mail_init_connection(ngx_connection_t *c) |
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24 { |
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25 ngx_uint_t i; |
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26 ngx_mail_port_t *port; |
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27 struct sockaddr *sa; |
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28 struct sockaddr_in *sin; |
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29 ngx_mail_log_ctx_t *ctx; |
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30 ngx_mail_in_addr_t *addr; |
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31 ngx_mail_session_t *s; |
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32 ngx_mail_addr_conf_t *addr_conf; |
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33 #if (NGX_HAVE_INET6) |
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34 struct sockaddr_in6 *sin6; |
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35 ngx_mail_in6_addr_t *addr6; |
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36 #endif |
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37 |
| 641 | 38 |
| 39 /* find the server configuration for the address:port */ | |
| 40 | |
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41 port = c->listening->servers; |
| 641 | 42 |
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43 if (port->naddrs > 1) { |
| 641 | 44 |
| 45 /* | |
| 46 * There are several addresses on this port and one of them | |
| 47 * is the "*:port" wildcard so getsockname() is needed to determine | |
| 48 * the server address. | |
| 49 * | |
| 50 * AcceptEx() already gave this address. | |
| 51 */ | |
| 52 | |
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53 if (ngx_connection_local_sockaddr(c, NULL, 0) != NGX_OK) { |
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54 ngx_mail_close_connection(c); |
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55 return; |
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56 } |
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57 |
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58 sa = c->local_sockaddr; |
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59 |
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60 switch (sa->sa_family) { |
| 541 | 61 |
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62 #if (NGX_HAVE_INET6) |
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63 case AF_INET6: |
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64 sin6 = (struct sockaddr_in6 *) sa; |
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65 |
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66 addr6 = port->addrs; |
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67 |
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68 /* the last address is "*" */ |
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69 |
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70 for (i = 0; i < port->naddrs - 1; i++) { |
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71 if (ngx_memcmp(&addr6[i].addr6, &sin6->sin6_addr, 16) == 0) { |
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72 break; |
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73 } |
| 641 | 74 } |
| 75 | |
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76 addr_conf = &addr6[i].conf; |
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77 |
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78 break; |
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79 #endif |
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80 |
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81 default: /* AF_INET */ |
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82 sin = (struct sockaddr_in *) sa; |
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83 |
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84 addr = port->addrs; |
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85 |
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86 /* the last address is "*" */ |
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87 |
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88 for (i = 0; i < port->naddrs - 1; i++) { |
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89 if (addr[i].addr == sin->sin_addr.s_addr) { |
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90 break; |
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91 } |
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92 } |
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93 |
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94 addr_conf = &addr[i].conf; |
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95 |
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96 break; |
| 641 | 97 } |
| 98 | |
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99 } else { |
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100 switch (c->local_sockaddr->sa_family) { |
| 641 | 101 |
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102 #if (NGX_HAVE_INET6) |
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103 case AF_INET6: |
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104 addr6 = port->addrs; |
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105 addr_conf = &addr6[0].conf; |
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106 break; |
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107 #endif |
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108 |
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109 default: /* AF_INET */ |
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110 addr = port->addrs; |
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111 addr_conf = &addr[0].conf; |
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112 break; |
| 641 | 113 } |
| 114 } | |
| 115 | |
| 1136 | 116 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
| 641 | 117 if (s == NULL) { |
| 1136 | 118 ngx_mail_close_connection(c); |
| 541 | 119 return; |
| 577 | 120 } |
| 541 | 121 |
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122 s->main_conf = addr_conf->ctx->main_conf; |
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123 s->srv_conf = addr_conf->ctx->srv_conf; |
| 641 | 124 |
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125 s->addr_text = &addr_conf->addr_text; |
| 641 | 126 |
| 127 c->data = s; | |
| 128 s->connection = c; | |
| 129 | |
| 130 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%ui client %V connected to %V", | |
| 131 c->number, &c->addr_text, s->addr_text); | |
| 132 | |
| 1136 | 133 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
| 641 | 134 if (ctx == NULL) { |
| 1136 | 135 ngx_mail_close_connection(c); |
| 641 | 136 return; |
| 137 } | |
| 138 | |
| 139 ctx->client = &c->addr_text; | |
| 140 ctx->session = s; | |
| 541 | 141 |
| 142 c->log->connection = c->number; | |
| 1136 | 143 c->log->handler = ngx_mail_log_error; |
| 641 | 144 c->log->data = ctx; |
| 541 | 145 c->log->action = "sending client greeting line"; |
| 146 | |
| 147 c->log_error = NGX_ERROR_INFO; | |
| 148 | |
| 1136 | 149 #if (NGX_MAIL_SSL) |
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150 { |
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151 ngx_mail_ssl_conf_t *sslcf; |
| 543 | 152 |
| 1136 | 153 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 543 | 154 |
| 155 if (sslcf->enable) { | |
| 2224 | 156 c->log->action = "SSL handshaking"; |
| 157 | |
| 1136 | 158 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 547 | 159 return; |
| 543 | 160 } |
| 2224 | 161 |
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162 if (addr_conf->ssl) { |
| 2224 | 163 |
| 164 c->log->action = "SSL handshaking"; | |
| 165 | |
| 166 if (sslcf->ssl.ctx == NULL) { | |
| 167 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
| 168 "no \"ssl_certificate\" is defined " | |
| 169 "in server listening on SSL port"); | |
| 170 ngx_mail_close_connection(c); | |
| 171 return; | |
| 172 } | |
| 173 | |
| 174 ngx_mail_ssl_init_connection(&sslcf->ssl, c); | |
| 175 return; | |
| 176 } | |
| 177 | |
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178 } |
| 543 | 179 #endif |
| 180 | |
| 1136 | 181 ngx_mail_init_session(c); |
| 541 | 182 } |
| 183 | |
| 184 | |
| 1136 | 185 #if (NGX_MAIL_SSL) |
| 547 | 186 |
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187 void |
| 1136 | 188 ngx_mail_starttls_handler(ngx_event_t *rev) |
| 583 | 189 { |
| 190 ngx_connection_t *c; | |
| 1136 | 191 ngx_mail_session_t *s; |
| 192 ngx_mail_ssl_conf_t *sslcf; | |
| 583 | 193 |
| 194 c = rev->data; | |
| 195 s = c->data; | |
| 641 | 196 s->starttls = 1; |
| 583 | 197 |
| 198 c->log->action = "in starttls state"; | |
| 199 | |
| 1136 | 200 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 583 | 201 |
| 1136 | 202 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 583 | 203 } |
| 204 | |
| 205 | |
| 206 static void | |
| 1136 | 207 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
| 583 | 208 { |
| 1136 | 209 ngx_mail_session_t *s; |
| 210 ngx_mail_core_srv_conf_t *cscf; | |
| 583 | 211 |
| 212 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
| 1136 | 213 ngx_mail_close_connection(c); |
| 583 | 214 return; |
| 215 } | |
| 216 | |
| 217 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
| 218 | |
| 641 | 219 s = c->data; |
| 220 | |
| 1136 | 221 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 583 | 222 |
| 223 ngx_add_timer(c->read, cscf->timeout); | |
| 224 | |
| 1136 | 225 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
| 583 | 226 |
| 227 return; | |
| 228 } | |
| 229 | |
| 1136 | 230 ngx_mail_ssl_handshake_handler(c); |
| 583 | 231 } |
| 232 | |
| 233 | |
| 234 static void | |
| 1136 | 235 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
| 577 | 236 { |
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237 ngx_mail_session_t *s; |
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238 ngx_mail_core_srv_conf_t *cscf; |
| 641 | 239 |
| 547 | 240 if (c->ssl->handshaked) { |
| 583 | 241 |
| 641 | 242 s = c->data; |
| 243 | |
| 244 if (s->starttls) { | |
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245 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
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246 |
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247 c->read->handler = cscf->protocol->init_protocol; |
| 1136 | 248 c->write->handler = ngx_mail_send; |
| 583 | 249 |
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250 cscf->protocol->init_protocol(c->read); |
| 583 | 251 |
| 252 return; | |
| 253 } | |
| 254 | |
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255 c->read->ready = 0; |
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256 |
| 1136 | 257 ngx_mail_init_session(c); |
| 547 | 258 return; |
| 259 } | |
| 260 | |
| 1136 | 261 ngx_mail_close_connection(c); |
| 547 | 262 } |
| 263 | |
| 264 #endif | |
| 265 | |
| 266 | |
| 267 static void | |
| 1136 | 268 ngx_mail_init_session(ngx_connection_t *c) |
| 541 | 269 { |
| 1136 | 270 ngx_mail_session_t *s; |
| 271 ngx_mail_core_srv_conf_t *cscf; | |
|
417
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272 |
| 641 | 273 s = c->data; |
|
413
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274 |
| 1136 | 275 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 539 | 276 |
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277 s->protocol = cscf->protocol->type; |
| 539 | 278 |
| 1136 | 279 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
| 539 | 280 if (s->ctx == NULL) { |
| 1136 | 281 ngx_mail_session_internal_server_error(s); |
| 539 | 282 return; |
| 283 } | |
| 284 | |
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285 c->write->handler = ngx_mail_send; |
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286 |
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287 cscf->protocol->init_session(s, c); |
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288 } |
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289 |
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290 |
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291 ngx_int_t |
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292 ngx_mail_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
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293 ngx_mail_core_srv_conf_t *cscf) |
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294 { |
| 2049 | 295 s->salt.data = ngx_pnalloc(c->pool, |
| 296 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
| 297 + NGX_TIME_T_LEN | |
| 298 + cscf->server_name.len); | |
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299 if (s->salt.data == NULL) { |
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300 return NGX_ERROR; |
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301 } |
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302 |
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303 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, |
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304 ngx_random(), ngx_time(), &cscf->server_name) |
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305 - s->salt.data; |
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306 |
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307 return NGX_OK; |
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308 } |
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309 |
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310 |
| 1479 | 311 #if (NGX_MAIL_SSL) |
| 312 | |
| 313 ngx_int_t | |
| 314 ngx_mail_starttls_only(ngx_mail_session_t *s, ngx_connection_t *c) | |
| 315 { | |
| 316 ngx_mail_ssl_conf_t *sslcf; | |
| 317 | |
| 318 if (c->ssl) { | |
| 319 return 0; | |
| 320 } | |
| 321 | |
| 322 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 323 | |
| 324 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 325 return 1; | |
| 326 } | |
| 327 | |
| 328 return 0; | |
| 329 } | |
| 330 | |
| 331 #endif | |
| 332 | |
| 333 | |
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334 ngx_int_t |
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335 ngx_mail_auth_plain(ngx_mail_session_t *s, ngx_connection_t *c, ngx_uint_t n) |
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336 { |
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337 u_char *p, *last; |
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338 ngx_str_t *arg, plain; |
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339 |
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340 arg = s->args.elts; |
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341 |
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342 #if (NGX_DEBUG_MAIL_PASSWD) |
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343 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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344 "mail auth plain: \"%V\"", &arg[n]); |
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345 #endif |
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346 |
| 2049 | 347 plain.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
| 3642 | 348 if (plain.data == NULL) { |
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349 return NGX_ERROR; |
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350 } |
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351 |
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352 if (ngx_decode_base64(&plain, &arg[n]) != NGX_OK) { |
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353 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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354 "client sent invalid base64 encoding in AUTH PLAIN command"); |
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355 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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356 } |
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357 |
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358 p = plain.data; |
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359 last = p + plain.len; |
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360 |
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361 while (p < last && *p++) { /* void */ } |
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362 |
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363 if (p == last) { |
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364 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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365 "client sent invalid login in AUTH PLAIN command"); |
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366 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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367 } |
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368 |
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369 s->login.data = p; |
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370 |
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371 while (p < last && *p) { p++; } |
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372 |
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373 if (p == last) { |
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374 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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375 "client sent invalid password in AUTH PLAIN command"); |
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376 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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377 } |
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378 |
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379 s->login.len = p++ - s->login.data; |
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380 |
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381 s->passwd.len = last - p; |
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382 s->passwd.data = p; |
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383 |
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384 #if (NGX_DEBUG_MAIL_PASSWD) |
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385 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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386 "mail auth plain: \"%V\" \"%V\"", &s->login, &s->passwd); |
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387 #endif |
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388 |
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389 return NGX_DONE; |
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390 } |
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391 |
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392 |
|
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393 ngx_int_t |
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394 ngx_mail_auth_login_username(ngx_mail_session_t *s, ngx_connection_t *c, |
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395 ngx_uint_t n) |
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396 { |
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397 ngx_str_t *arg; |
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398 |
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399 arg = s->args.elts; |
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400 |
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401 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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402 "mail auth login username: \"%V\"", &arg[n]); |
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403 |
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404 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[n].len)); |
| 3642 | 405 if (s->login.data == NULL) { |
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406 return NGX_ERROR; |
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407 } |
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408 |
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409 if (ngx_decode_base64(&s->login, &arg[n]) != NGX_OK) { |
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410 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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411 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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412 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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413 } |
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414 |
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415 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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416 "mail auth login username: \"%V\"", &s->login); |
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417 |
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418 return NGX_OK; |
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419 } |
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420 |
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421 |
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422 ngx_int_t |
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423 ngx_mail_auth_login_password(ngx_mail_session_t *s, ngx_connection_t *c) |
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424 { |
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425 ngx_str_t *arg; |
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426 |
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427 arg = s->args.elts; |
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428 |
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429 #if (NGX_DEBUG_MAIL_PASSWD) |
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430 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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431 "mail auth login password: \"%V\"", &arg[0]); |
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432 #endif |
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433 |
| 2049 | 434 s->passwd.data = ngx_pnalloc(c->pool, |
| 435 ngx_base64_decoded_length(arg[0].len)); | |
| 3642 | 436 if (s->passwd.data == NULL) { |
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437 return NGX_ERROR; |
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438 } |
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439 |
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440 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { |
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441 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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442 "client sent invalid base64 encoding in AUTH LOGIN command"); |
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443 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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444 } |
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445 |
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446 #if (NGX_DEBUG_MAIL_PASSWD) |
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447 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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448 "mail auth login password: \"%V\"", &s->passwd); |
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449 #endif |
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450 |
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451 return NGX_DONE; |
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452 } |
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453 |
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454 |
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455 ngx_int_t |
| 1479 | 456 ngx_mail_auth_cram_md5_salt(ngx_mail_session_t *s, ngx_connection_t *c, |
| 457 char *prefix, size_t len) | |
| 458 { | |
| 459 u_char *p; | |
| 460 ngx_str_t salt; | |
| 461 ngx_uint_t n; | |
| 462 | |
| 2049 | 463 p = ngx_pnalloc(c->pool, len + ngx_base64_encoded_length(s->salt.len) + 2); |
| 1479 | 464 if (p == NULL) { |
| 465 return NGX_ERROR; | |
| 466 } | |
| 467 | |
| 468 salt.data = ngx_cpymem(p, prefix, len); | |
| 469 s->salt.len -= 2; | |
| 470 | |
| 471 ngx_encode_base64(&salt, &s->salt); | |
| 472 | |
| 473 s->salt.len += 2; | |
| 474 n = len + salt.len; | |
| 475 p[n++] = CR; p[n++] = LF; | |
| 476 | |
| 477 s->out.len = n; | |
| 478 s->out.data = p; | |
| 479 | |
| 480 return NGX_OK; | |
| 481 } | |
| 482 | |
| 483 | |
| 484 ngx_int_t | |
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485 ngx_mail_auth_cram_md5(ngx_mail_session_t *s, ngx_connection_t *c) |
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486 { |
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487 u_char *p, *last; |
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488 ngx_str_t *arg; |
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489 |
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490 arg = s->args.elts; |
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491 |
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492 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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493 "mail auth cram-md5: \"%V\"", &arg[0]); |
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494 |
| 2049 | 495 s->login.data = ngx_pnalloc(c->pool, ngx_base64_decoded_length(arg[0].len)); |
| 3642 | 496 if (s->login.data == NULL) { |
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497 return NGX_ERROR; |
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498 } |
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499 |
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500 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { |
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501 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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502 "client sent invalid base64 encoding in AUTH CRAM-MD5 command"); |
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503 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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504 } |
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505 |
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506 p = s->login.data; |
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507 last = p + s->login.len; |
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508 |
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509 while (p < last) { |
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510 if (*p++ == ' ') { |
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511 s->login.len = p - s->login.data - 1; |
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512 s->passwd.len = last - p; |
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513 s->passwd.data = p; |
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514 break; |
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515 } |
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516 } |
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517 |
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518 if (s->passwd.len != 32) { |
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519 ngx_log_error(NGX_LOG_INFO, c->log, 0, |
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520 "client sent invalid CRAM-MD5 hash in AUTH CRAM-MD5 command"); |
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521 return NGX_MAIL_PARSE_INVALID_COMMAND; |
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522 } |
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523 |
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524 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
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525 "mail auth cram-md5: \"%V\" \"%V\"", &s->login, &s->passwd); |
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526 |
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527 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
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528 |
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529 return NGX_DONE; |
| 539 | 530 } |
| 531 | |
| 532 | |
| 533 void | |
| 1136 | 534 ngx_mail_send(ngx_event_t *wev) |
| 539 | 535 { |
| 541 | 536 ngx_int_t n; |
| 537 ngx_connection_t *c; | |
| 1136 | 538 ngx_mail_session_t *s; |
| 539 ngx_mail_core_srv_conf_t *cscf; | |
| 539 | 540 |
| 541 c = wev->data; | |
| 542 s = c->data; | |
| 543 | |
| 544 if (wev->timedout) { | |
| 545 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 546 c->timedout = 1; |
| 1136 | 547 ngx_mail_close_connection(c); |
| 539 | 548 return; |
| 549 } | |
| 550 | |
| 551 if (s->out.len == 0) { | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
552 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 553 ngx_mail_close_connection(c); |
| 539 | 554 } |
| 555 | |
| 556 return; | |
| 557 } | |
| 558 | |
| 559 n = c->send(c, s->out.data, s->out.len); | |
| 560 | |
| 561 if (n > 0) { | |
| 562 s->out.len -= n; | |
| 563 | |
| 541 | 564 if (wev->timer_set) { |
| 565 ngx_del_timer(wev); | |
| 566 } | |
| 567 | |
| 539 | 568 if (s->quit) { |
| 1136 | 569 ngx_mail_close_connection(c); |
| 539 | 570 return; |
| 571 } | |
| 572 | |
| 573 if (s->blocked) { | |
| 574 c->read->handler(c->read); | |
| 575 } | |
| 576 | |
| 577 return; | |
| 578 } | |
| 579 | |
| 580 if (n == NGX_ERROR) { | |
| 1136 | 581 ngx_mail_close_connection(c); |
| 539 | 582 return; |
| 583 } | |
| 584 | |
| 585 /* n == NGX_AGAIN */ | |
| 586 | |
| 1136 | 587 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 541 | 588 |
| 589 ngx_add_timer(c->write, cscf->timeout); | |
| 590 | |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
591 if (ngx_handle_write_event(c->write, 0) != NGX_OK) { |
| 1136 | 592 ngx_mail_close_connection(c); |
| 539 | 593 return; |
| 594 } | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
595 } |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
596 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
597 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
598 ngx_int_t |
| 1482 | 599 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
|
600 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
601 ssize_t n; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
602 ngx_int_t rc; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
603 ngx_str_t l; |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
604 ngx_mail_core_srv_conf_t *cscf; |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
605 |
| 1482 | 606 n = c->recv(c, s->buffer->last, s->buffer->end - s->buffer->last); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
607 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
608 if (n == NGX_ERROR || n == 0) { |
| 1482 | 609 ngx_mail_close_connection(c); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
610 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
611 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
612 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
613 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
614 s->buffer->last += n; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
615 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
616 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
617 if (n == NGX_AGAIN) { |
|
2388
722b5aff05ae
use "!= NGX_OK" instead of "== NGX_ERROR"
Igor Sysoev <igor@sysoev.ru>
parents:
2224
diff
changeset
|
618 if (ngx_handle_read_event(c->read, 0) != NGX_OK) { |
| 1136 | 619 ngx_mail_session_internal_server_error(s); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
620 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
621 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
622 |
|
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
623 if (s->buffer->pos == s->buffer->last) { |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
624 return NGX_AGAIN; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
625 } |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
626 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
627 |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
628 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
|
629 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
630 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
|
631 |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
632 if (rc == NGX_AGAIN) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
633 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
634 if (s->buffer->last < s->buffer->end) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
635 return rc; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
636 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
637 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
638 l.len = s->buffer->last - s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
639 l.data = s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
640 |
| 1482 | 641 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
|
642 "client sent too long command \"%V\"", &l); |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
643 |
|
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
644 s->quit = 1; |
|
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
645 |
| 1136 | 646 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
647 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
648 |
| 1136 | 649 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
|
650 return rc; |
|
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 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
653 if (rc == NGX_ERROR) { |
| 1482 | 654 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
|
655 return NGX_ERROR; |
|
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 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
658 return NGX_OK; |
|
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 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
661 |
| 521 | 662 void |
| 1482 | 663 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
|
664 { |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
665 s->args.nelts = 0; |
|
5398
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
666 |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
667 if (s->buffer->pos == s->buffer->last) { |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
668 s->buffer->pos = s->buffer->start; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
669 s->buffer->last = s->buffer->start; |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
670 } |
|
04e43d03e153
Mail: smtp pipelining support.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4818
diff
changeset
|
671 |
|
1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
672 s->state = 0; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
673 |
| 1482 | 674 if (c->read->timer_set) { |
| 675 ngx_del_timer(c->read); | |
|
1476
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 s->login_attempt++; |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
679 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
680 ngx_mail_auth_http_init(s); |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
681 } |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
682 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
683 |
|
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
684 void |
| 1136 | 685 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
| 525 | 686 { |
|
1487
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
687 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
|
688 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
689 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
|
690 |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1482
diff
changeset
|
691 s->out = cscf->protocol->internal_server_error; |
| 539 | 692 s->quit = 1; |
| 525 | 693 |
| 1136 | 694 ngx_mail_send(s->connection->write); |
| 525 | 695 } |
| 696 | |
| 697 | |
| 698 void | |
| 1136 | 699 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
|
700 { |
| 479 | 701 ngx_pool_t *pool; |
| 702 | |
| 1136 | 703 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 704 "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
|
705 |
| 1136 | 706 #if (NGX_MAIL_SSL) |
| 539 | 707 |
| 708 if (c->ssl) { | |
| 709 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1136 | 710 c->ssl->handler = ngx_mail_close_connection; |
| 539 | 711 return; |
| 712 } | |
| 713 } | |
| 714 | |
| 715 #endif | |
| 716 | |
|
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
717 #if (NGX_STAT_STUB) |
|
2951
5acd98486a33
ignore ngx_atomic_fetch_add() result
Igor Sysoev <igor@sysoev.ru>
parents:
2855
diff
changeset
|
718 (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
|
719 #endif |
|
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
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720 |
| 583 | 721 c->destroyed = 1; |
| 543 | 722 |
| 479 | 723 pool = c->pool; |
| 724 | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
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725 ngx_close_connection(c); |
| 479 | 726 |
| 501 | 727 ngx_destroy_pool(pool); |
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417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
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728 } |
| 539 | 729 |
| 730 | |
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1476
67578e966dcc
split pop3, imap, and smtp handlers
Igor Sysoev <igor@sysoev.ru>
parents:
1472
diff
changeset
|
731 u_char * |
| 1136 | 732 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
| 541 | 733 { |
| 567 | 734 u_char *p; |
| 1136 | 735 ngx_mail_session_t *s; |
| 736 ngx_mail_log_ctx_t *ctx; | |
| 541 | 737 |
| 738 if (log->action) { | |
| 739 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 740 len -= p - buf; | |
| 741 buf = p; | |
| 742 } | |
| 577 | 743 |
| 541 | 744 ctx = log->data; |
| 745 | |
| 746 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 747 len -= p - buf; | |
| 748 buf = p; | |
| 749 | |
| 750 s = ctx->session; | |
| 751 | |
| 752 if (s == NULL) { | |
| 753 return p; | |
| 754 } | |
| 755 | |
| 1491 | 756 p = ngx_snprintf(buf, len, "%s, server: %V", |
| 757 s->starttls ? " using starttls" : "", | |
| 758 s->addr_text); | |
| 541 | 759 len -= p - buf; |
| 760 buf = p; | |
| 761 | |
| 762 if (s->login.len == 0) { | |
| 763 return p; | |
| 764 } | |
| 765 | |
| 766 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 767 len -= p - buf; | |
| 768 buf = p; | |
| 769 | |
| 770 if (s->proxy == NULL) { | |
| 771 return p; | |
| 772 } | |
| 773 | |
| 884 | 774 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
| 541 | 775 |
| 776 return p; | |
| 777 } |