Mercurial > hg > nginx
annotate src/mail/ngx_mail_handler.c @ 1472:32450a2bbdf4
decrement active connection counter in mail proxy
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 11 Sep 2007 10:22:12 +0000 |
| parents | c4b2c893989d |
| children | 67578e966dcc f5e9d597a751 |
| rev | line source |
|---|---|
|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
423
diff
changeset
|
1 |
|
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
423
diff
changeset
|
2 /* |
|
444
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
441
diff
changeset
|
3 * Copyright (C) Igor Sysoev |
|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
423
diff
changeset
|
4 */ |
|
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
423
diff
changeset
|
5 |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
6 |
|
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 #include <ngx_config.h> |
|
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #include <ngx_core.h> |
|
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 #include <ngx_event.h> |
| 1136 | 10 #include <ngx_mail.h> |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
11 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
12 |
| 1136 | 13 static void ngx_mail_init_session(ngx_connection_t *c); |
| 14 static void ngx_mail_init_protocol(ngx_event_t *rev); | |
| 15 static ngx_int_t ngx_mail_decode_auth_plain(ngx_mail_session_t *s, | |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
16 ngx_str_t *encoded); |
| 1136 | 17 static void ngx_mail_do_auth(ngx_mail_session_t *s); |
| 18 static ngx_int_t ngx_mail_read_command(ngx_mail_session_t *s); | |
| 19 static u_char *ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len); | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
20 |
| 1136 | 21 #if (NGX_MAIL_SSL) |
| 22 static void ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c); | |
| 23 static void ngx_mail_ssl_handshake_handler(ngx_connection_t *c); | |
| 539 | 24 #endif |
| 25 | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
26 |
| 521 | 27 static ngx_str_t greetings[] = { |
| 527 | 28 ngx_string("+OK POP3 ready" CRLF), |
| 529 | 29 ngx_string("* OK IMAP4 ready" CRLF) |
| 1136 | 30 /* SMTP greeting */ |
| 521 | 31 }; |
| 32 | |
| 525 | 33 static ngx_str_t internal_server_errors[] = { |
| 34 ngx_string("-ERR internal server error" CRLF), | |
| 35 ngx_string("* BAD internal server error" CRLF), | |
| 1136 | 36 ngx_string("451 4.3.2 Internal server error" CRLF), |
| 525 | 37 }; |
| 38 | |
| 521 | 39 static u_char pop3_ok[] = "+OK" CRLF; |
| 809 | 40 static u_char pop3_next[] = "+ " CRLF; |
| 41 static u_char pop3_username[] = "+ VXNlcm5hbWU6" CRLF; | |
| 42 static u_char pop3_password[] = "+ UGFzc3dvcmQ6" CRLF; | |
| 521 | 43 static u_char pop3_invalid_command[] = "-ERR invalid command" CRLF; |
| 44 | |
| 543 | 45 static u_char imap_star[] = "* "; |
| 529 | 46 static u_char imap_ok[] = "OK completed" CRLF; |
| 527 | 47 static u_char imap_next[] = "+ OK" CRLF; |
| 48 static u_char imap_bye[] = "* BYE" CRLF; | |
| 49 static u_char imap_invalid_command[] = "BAD invalid command" CRLF; | |
| 50 | |
| 1136 | 51 static u_char smtp_ok[] = "250 2.0.0 OK" CRLF; |
| 52 static u_char smtp_bye[] = "221 2.0.0 Bye" CRLF; | |
| 53 static u_char smtp_next[] = "334 " CRLF; | |
| 54 static u_char smtp_username[] = "334 VXNlcm5hbWU6" CRLF; | |
| 55 static u_char smtp_password[] = "334 UGFzc3dvcmQ6" CRLF; | |
| 56 static u_char smtp_invalid_command[] = "500 5.5.1 Invalid command" CRLF; | |
| 57 static u_char smtp_invalid_argument[] = "501 5.5.4 Invalid argument" CRLF; | |
| 58 static u_char smtp_auth_required[] = "530 5.7.1 Authentication required" CRLF; | |
| 59 | |
| 521 | 60 |
| 61 void | |
| 1136 | 62 ngx_mail_init_connection(ngx_connection_t *c) |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
63 { |
| 641 | 64 in_addr_t in_addr; |
| 65 socklen_t len; | |
| 66 ngx_uint_t i; | |
| 67 struct sockaddr_in sin; | |
| 1136 | 68 ngx_mail_log_ctx_t *ctx; |
| 69 ngx_mail_in_port_t *imip; | |
| 70 ngx_mail_in_addr_t *imia; | |
| 71 ngx_mail_session_t *s; | |
| 72 #if (NGX_MAIL_SSL) | |
| 73 ngx_mail_ssl_conf_t *sslcf; | |
| 543 | 74 #endif |
| 541 | 75 |
| 641 | 76 |
| 77 /* find the server configuration for the address:port */ | |
| 78 | |
| 79 /* AF_INET only */ | |
| 80 | |
| 81 imip = c->listening->servers; | |
| 82 imia = imip->addrs; | |
| 83 | |
| 84 i = 0; | |
| 85 | |
| 86 if (imip->naddrs > 1) { | |
| 87 | |
| 88 /* | |
| 89 * There are several addresses on this port and one of them | |
| 90 * is the "*:port" wildcard so getsockname() is needed to determine | |
| 91 * the server address. | |
| 92 * | |
| 93 * AcceptEx() already gave this address. | |
| 94 */ | |
| 95 | |
| 96 #if (NGX_WIN32) | |
| 97 if (c->local_sockaddr) { | |
| 98 in_addr = | |
| 99 ((struct sockaddr_in *) c->local_sockaddr)->sin_addr.s_addr; | |
| 541 | 100 |
| 641 | 101 } else |
| 102 #endif | |
| 103 { | |
| 104 len = sizeof(struct sockaddr_in); | |
| 105 if (getsockname(c->fd, (struct sockaddr *) &sin, &len) == -1) { | |
| 106 ngx_connection_error(c, ngx_socket_errno, | |
| 107 "getsockname() failed"); | |
| 1136 | 108 ngx_mail_close_connection(c); |
| 641 | 109 return; |
| 110 } | |
| 111 | |
| 112 in_addr = sin.sin_addr.s_addr; | |
| 113 } | |
| 114 | |
| 115 /* the last address is "*" */ | |
| 116 | |
| 117 for ( /* void */ ; i < imip->naddrs - 1; i++) { | |
| 118 if (in_addr == imia[i].addr) { | |
| 119 break; | |
| 120 } | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 | |
| 1136 | 125 s = ngx_pcalloc(c->pool, sizeof(ngx_mail_session_t)); |
| 641 | 126 if (s == NULL) { |
| 1136 | 127 ngx_mail_close_connection(c); |
| 541 | 128 return; |
| 577 | 129 } |
| 541 | 130 |
| 641 | 131 s->main_conf = imia[i].ctx->main_conf; |
| 132 s->srv_conf = imia[i].ctx->srv_conf; | |
| 133 | |
| 134 s->addr_text = &imia[i].addr_text; | |
| 135 | |
| 136 c->data = s; | |
| 137 s->connection = c; | |
| 138 | |
| 139 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%ui client %V connected to %V", | |
| 140 c->number, &c->addr_text, s->addr_text); | |
| 141 | |
| 1136 | 142 ctx = ngx_palloc(c->pool, sizeof(ngx_mail_log_ctx_t)); |
| 641 | 143 if (ctx == NULL) { |
| 1136 | 144 ngx_mail_close_connection(c); |
| 641 | 145 return; |
| 146 } | |
| 147 | |
| 148 ctx->client = &c->addr_text; | |
| 149 ctx->session = s; | |
| 541 | 150 |
| 151 c->log->connection = c->number; | |
| 1136 | 152 c->log->handler = ngx_mail_log_error; |
| 641 | 153 c->log->data = ctx; |
| 541 | 154 c->log->action = "sending client greeting line"; |
| 155 | |
| 156 c->log_error = NGX_ERROR_INFO; | |
| 157 | |
| 1136 | 158 #if (NGX_MAIL_SSL) |
| 543 | 159 |
| 1136 | 160 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 543 | 161 |
| 162 if (sslcf->enable) { | |
| 1136 | 163 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 547 | 164 return; |
| 543 | 165 } |
| 166 | |
| 167 #endif | |
| 168 | |
| 1136 | 169 ngx_mail_init_session(c); |
| 541 | 170 } |
| 171 | |
| 172 | |
| 1136 | 173 #if (NGX_MAIL_SSL) |
| 547 | 174 |
| 541 | 175 static void |
| 1136 | 176 ngx_mail_starttls_handler(ngx_event_t *rev) |
| 583 | 177 { |
| 178 ngx_connection_t *c; | |
| 1136 | 179 ngx_mail_session_t *s; |
| 180 ngx_mail_ssl_conf_t *sslcf; | |
| 583 | 181 |
| 182 c = rev->data; | |
| 183 s = c->data; | |
| 641 | 184 s->starttls = 1; |
| 583 | 185 |
| 186 c->log->action = "in starttls state"; | |
| 187 | |
| 1136 | 188 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); |
| 583 | 189 |
| 1136 | 190 ngx_mail_ssl_init_connection(&sslcf->ssl, c); |
| 583 | 191 } |
| 192 | |
| 193 | |
| 194 static void | |
| 1136 | 195 ngx_mail_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) |
| 583 | 196 { |
| 1136 | 197 ngx_mail_session_t *s; |
| 198 ngx_mail_core_srv_conf_t *cscf; | |
| 583 | 199 |
| 200 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
| 1136 | 201 ngx_mail_close_connection(c); |
| 583 | 202 return; |
| 203 } | |
| 204 | |
| 205 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
| 206 | |
| 641 | 207 s = c->data; |
| 208 | |
| 1136 | 209 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 583 | 210 |
| 211 ngx_add_timer(c->read, cscf->timeout); | |
| 212 | |
| 1136 | 213 c->ssl->handler = ngx_mail_ssl_handshake_handler; |
| 583 | 214 |
| 215 return; | |
| 216 } | |
| 217 | |
| 1136 | 218 ngx_mail_ssl_handshake_handler(c); |
| 583 | 219 } |
| 220 | |
| 221 | |
| 222 static void | |
| 1136 | 223 ngx_mail_ssl_handshake_handler(ngx_connection_t *c) |
| 577 | 224 { |
| 1136 | 225 ngx_mail_session_t *s; |
| 641 | 226 |
| 547 | 227 if (c->ssl->handshaked) { |
| 583 | 228 |
| 641 | 229 s = c->data; |
| 230 | |
| 231 if (s->starttls) { | |
| 1136 | 232 c->read->handler = ngx_mail_init_protocol; |
| 233 c->write->handler = ngx_mail_send; | |
| 583 | 234 |
| 1136 | 235 ngx_mail_init_protocol(c->read); |
| 583 | 236 |
| 237 return; | |
| 238 } | |
| 239 | |
| 1136 | 240 ngx_mail_init_session(c); |
| 547 | 241 return; |
| 242 } | |
| 243 | |
| 1136 | 244 ngx_mail_close_connection(c); |
| 547 | 245 } |
| 246 | |
| 247 #endif | |
| 248 | |
| 249 | |
| 250 static void | |
| 1136 | 251 ngx_mail_init_session(ngx_connection_t *c) |
| 541 | 252 { |
| 800 | 253 u_char *p; |
| 1136 | 254 ngx_mail_session_t *s; |
| 255 ngx_mail_core_srv_conf_t *cscf; | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
256 |
| 1136 | 257 c->read->handler = ngx_mail_init_protocol; |
| 258 c->write->handler = ngx_mail_send; | |
| 539 | 259 |
| 641 | 260 s = c->data; |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
261 |
| 1136 | 262 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 539 | 263 |
| 264 s->protocol = cscf->protocol; | |
| 265 | |
| 1136 | 266 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_mail_max_module); |
| 539 | 267 if (s->ctx == NULL) { |
| 1136 | 268 ngx_mail_session_internal_server_error(s); |
| 539 | 269 return; |
| 270 } | |
| 271 | |
| 1136 | 272 if (s->protocol == NGX_MAIL_SMTP_PROTOCOL) { |
| 273 s->out = cscf->smtp_greeting; | |
| 274 | |
| 275 } else { | |
| 276 s->out = greetings[s->protocol]; | |
| 277 } | |
| 539 | 278 |
| 1136 | 279 if ((s->protocol == NGX_MAIL_POP3_PROTOCOL |
| 280 && (cscf->pop3_auth_methods | |
| 281 & (NGX_MAIL_AUTH_APOP_ENABLED|NGX_MAIL_AUTH_CRAM_MD5_ENABLED))) | |
| 282 | |
| 1323 | 283 || (s->protocol == NGX_MAIL_IMAP_PROTOCOL |
| 284 && (cscf->imap_auth_methods & NGX_MAIL_AUTH_CRAM_MD5_ENABLED)) | |
| 285 | |
| 1136 | 286 || (s->protocol == NGX_MAIL_SMTP_PROTOCOL |
| 287 && (cscf->smtp_auth_methods & NGX_MAIL_AUTH_CRAM_MD5_ENABLED))) | |
| 800 | 288 { |
| 289 s->salt.data = ngx_palloc(c->pool, | |
| 290 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
| 291 + NGX_TIME_T_LEN | |
| 292 + cscf->server_name.len); | |
| 293 if (s->salt.data == NULL) { | |
| 1136 | 294 ngx_mail_session_internal_server_error(s); |
| 800 | 295 return; |
| 296 } | |
| 297 | |
| 298 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, | |
| 299 ngx_random(), ngx_time(), &cscf->server_name) | |
| 300 - s->salt.data; | |
| 301 | |
| 1136 | 302 if (s->protocol == NGX_MAIL_POP3_PROTOCOL) { |
| 1166 | 303 s->out.data = ngx_palloc(c->pool, |
| 1136 | 304 greetings[0].len + 1 + s->salt.len); |
| 1166 | 305 if (s->out.data == NULL) { |
| 306 ngx_mail_session_internal_server_error(s); | |
| 307 return; | |
| 308 } | |
| 800 | 309 |
| 1166 | 310 p = ngx_cpymem(s->out.data, |
| 1136 | 311 greetings[0].data, greetings[0].len - 2); |
| 1166 | 312 *p++ = ' '; |
| 313 p = ngx_cpymem(p, s->salt.data, s->salt.len); | |
| 800 | 314 |
| 1166 | 315 s->out.len = p - s->out.data; |
| 1136 | 316 } |
| 800 | 317 } |
| 318 | |
| 547 | 319 ngx_add_timer(c->read, cscf->timeout); |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
320 |
| 547 | 321 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
| 1136 | 322 ngx_mail_close_connection(c); |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
323 } |
| 539 | 324 |
| 1136 | 325 ngx_mail_send(c->write); |
| 539 | 326 } |
| 327 | |
| 328 | |
| 329 void | |
| 1136 | 330 ngx_mail_send(ngx_event_t *wev) |
| 539 | 331 { |
| 541 | 332 ngx_int_t n; |
| 333 ngx_connection_t *c; | |
| 1136 | 334 ngx_mail_session_t *s; |
| 335 ngx_mail_core_srv_conf_t *cscf; | |
| 539 | 336 |
| 337 c = wev->data; | |
| 338 s = c->data; | |
| 339 | |
| 340 if (wev->timedout) { | |
| 341 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 342 c->timedout = 1; |
| 1136 | 343 ngx_mail_close_connection(c); |
| 539 | 344 return; |
| 345 } | |
| 346 | |
| 347 if (s->out.len == 0) { | |
| 348 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 1136 | 349 ngx_mail_close_connection(c); |
| 539 | 350 } |
| 351 | |
| 352 return; | |
| 353 } | |
| 354 | |
| 355 n = c->send(c, s->out.data, s->out.len); | |
| 356 | |
| 357 if (n > 0) { | |
| 358 s->out.len -= n; | |
| 359 | |
| 541 | 360 if (wev->timer_set) { |
| 361 ngx_del_timer(wev); | |
| 362 } | |
| 363 | |
| 539 | 364 if (s->quit) { |
| 1136 | 365 ngx_mail_close_connection(c); |
| 539 | 366 return; |
| 367 } | |
| 368 | |
| 369 if (s->blocked) { | |
| 370 c->read->handler(c->read); | |
| 371 } | |
| 372 | |
| 373 return; | |
| 374 } | |
| 375 | |
| 376 if (n == NGX_ERROR) { | |
| 1136 | 377 ngx_mail_close_connection(c); |
| 539 | 378 return; |
| 379 } | |
| 380 | |
| 381 /* n == NGX_AGAIN */ | |
| 382 | |
| 1136 | 383 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 541 | 384 |
| 385 ngx_add_timer(c->write, cscf->timeout); | |
| 386 | |
| 539 | 387 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
| 1136 | 388 ngx_mail_close_connection(c); |
| 539 | 389 return; |
| 390 } | |
|
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
391 } |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
392 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
393 |
| 521 | 394 static void |
| 1136 | 395 ngx_mail_init_protocol(ngx_event_t *rev) |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
396 { |
| 521 | 397 size_t size; |
| 398 ngx_connection_t *c; | |
| 1136 | 399 ngx_mail_session_t *s; |
| 400 ngx_mail_core_srv_conf_t *cscf; | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
401 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
402 c = rev->data; |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
403 |
| 541 | 404 c->log->action = "in auth state"; |
| 405 | |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
406 if (rev->timedout) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
407 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
| 577 | 408 c->timedout = 1; |
| 1136 | 409 ngx_mail_close_connection(c); |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
410 return; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
411 } |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
412 |
| 539 | 413 s = c->data; |
| 521 | 414 |
| 1136 | 415 switch (s->protocol) { |
| 416 | |
| 417 case NGX_MAIL_POP3_PROTOCOL: | |
| 521 | 418 size = 128; |
| 1136 | 419 s->mail_state = ngx_pop3_start; |
| 521 | 420 c->read->handler = ngx_pop3_auth_state; |
| 1136 | 421 break; |
| 521 | 422 |
| 1136 | 423 case NGX_MAIL_IMAP_PROTOCOL: |
| 424 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
| 521 | 425 size = cscf->imap_client_buffer_size; |
| 1136 | 426 s->mail_state = ngx_imap_start; |
| 521 | 427 c->read->handler = ngx_imap_auth_state; |
| 1136 | 428 break; |
| 429 | |
| 430 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 431 size = 512; | |
| 432 s->mail_state = ngx_smtp_start; | |
| 433 c->read->handler = ngx_smtp_auth_state; | |
| 434 break; | |
| 521 | 435 } |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
436 |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
437 if (s->buffer == NULL) { |
| 583 | 438 if (ngx_array_init(&s->args, c->pool, 2, sizeof(ngx_str_t)) |
| 439 == NGX_ERROR) | |
| 440 { | |
| 1136 | 441 ngx_mail_session_internal_server_error(s); |
| 583 | 442 return; |
| 443 } | |
| 444 | |
| 445 s->buffer = ngx_create_temp_buf(c->pool, size); | |
| 446 if (s->buffer == NULL) { | |
| 1136 | 447 ngx_mail_session_internal_server_error(s); |
| 583 | 448 return; |
| 449 } | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
450 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
451 |
| 521 | 452 c->read->handler(rev); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
453 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
454 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
455 |
| 527 | 456 void |
| 1136 | 457 ngx_pop3_auth_state(ngx_event_t *rev) |
| 521 | 458 { |
| 1136 | 459 u_char *p, *last, *text; |
| 460 ssize_t size; | |
| 527 | 461 ngx_int_t rc; |
| 1136 | 462 ngx_str_t *arg, salt; |
| 527 | 463 ngx_connection_t *c; |
| 1136 | 464 ngx_mail_session_t *s; |
| 465 ngx_mail_core_srv_conf_t *cscf; | |
| 466 #if (NGX_MAIL_SSL) | |
| 467 ngx_mail_ssl_conf_t *sslcf; | |
| 583 | 468 #endif |
| 521 | 469 |
| 470 c = rev->data; | |
| 527 | 471 s = c->data; |
| 521 | 472 |
| 1136 | 473 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "pop3 auth state"); |
| 527 | 474 |
| 475 if (rev->timedout) { | |
| 476 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 477 c->timedout = 1; |
| 1136 | 478 ngx_mail_close_connection(c); |
| 527 | 479 return; |
| 480 } | |
| 481 | |
| 539 | 482 if (s->out.len) { |
| 1136 | 483 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "pop3 send handler busy"); |
| 539 | 484 s->blocked = 1; |
| 485 return; | |
| 486 } | |
| 487 | |
| 488 s->blocked = 0; | |
| 489 | |
| 1136 | 490 rc = ngx_mail_read_command(s); |
| 491 | |
| 492 if (rc == NGX_AGAIN || rc == NGX_ERROR) { | |
| 493 return; | |
| 494 } | |
| 495 | |
| 496 text = pop3_ok; | |
| 497 size = sizeof(pop3_ok) - 1; | |
| 498 | |
| 499 if (rc == NGX_OK) { | |
| 500 switch (s->mail_state) { | |
| 501 | |
| 502 case ngx_pop3_start: | |
| 503 | |
| 504 switch (s->command) { | |
| 505 | |
| 506 case NGX_POP3_USER: | |
| 507 | |
| 508 #if (NGX_MAIL_SSL) | |
| 509 | |
| 510 if (c->ssl == NULL) { | |
| 511 sslcf = ngx_mail_get_module_srv_conf(s, | |
| 512 ngx_mail_ssl_module); | |
| 513 | |
| 514 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 515 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 516 break; | |
| 517 } | |
| 518 } | |
| 519 #endif | |
| 520 | |
| 521 if (s->args.nelts == 1) { | |
| 522 s->mail_state = ngx_pop3_user; | |
| 523 | |
| 524 arg = s->args.elts; | |
| 525 s->login.len = arg[0].len; | |
| 526 s->login.data = ngx_palloc(c->pool, s->login.len); | |
| 527 if (s->login.data == NULL) { | |
| 528 ngx_mail_session_internal_server_error(s); | |
| 529 return; | |
| 530 } | |
| 531 | |
| 532 ngx_memcpy(s->login.data, arg[0].data, s->login.len); | |
| 533 | |
| 534 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 535 "pop3 login: \"%V\"", &s->login); | |
| 536 | |
| 537 break; | |
| 538 } | |
| 539 | |
| 540 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 541 break; | |
| 542 | |
| 543 case NGX_POP3_CAPA: | |
| 544 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
| 545 | |
| 546 #if (NGX_MAIL_SSL) | |
| 547 | |
| 548 if (c->ssl == NULL) { | |
| 549 sslcf = ngx_mail_get_module_srv_conf(s, | |
| 550 ngx_mail_ssl_module); | |
| 551 | |
| 552 if (sslcf->starttls == NGX_MAIL_STARTTLS_ON) { | |
| 553 size = cscf->pop3_starttls_capability.len; | |
| 554 text = cscf->pop3_starttls_capability.data; | |
| 555 break; | |
| 556 } | |
| 557 | |
| 558 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 559 size = cscf->pop3_starttls_only_capability.len; | |
| 560 text = cscf->pop3_starttls_only_capability.data; | |
| 561 break; | |
| 562 } | |
| 563 } | |
| 564 #endif | |
| 565 | |
| 566 size = cscf->pop3_capability.len; | |
| 567 text = cscf->pop3_capability.data; | |
| 568 break; | |
| 569 | |
| 570 case NGX_POP3_APOP: | |
| 571 | |
| 572 #if (NGX_MAIL_SSL) | |
| 573 | |
| 574 if (c->ssl == NULL) { | |
| 575 sslcf = ngx_mail_get_module_srv_conf(s, | |
| 576 ngx_mail_ssl_module); | |
| 577 | |
| 578 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 579 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 580 break; | |
| 581 } | |
| 582 } | |
| 583 #endif | |
| 584 | |
| 585 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
| 586 | |
| 587 if ((cscf->pop3_auth_methods & NGX_MAIL_AUTH_APOP_ENABLED) | |
| 588 && s->args.nelts == 2) | |
| 589 { | |
| 590 arg = s->args.elts; | |
| 591 | |
| 592 s->login.len = arg[0].len; | |
| 593 s->login.data = ngx_palloc(c->pool, s->login.len); | |
| 594 if (s->login.data == NULL) { | |
| 595 ngx_mail_session_internal_server_error(s); | |
| 596 return; | |
| 597 } | |
| 598 | |
| 599 ngx_memcpy(s->login.data, arg[0].data, s->login.len); | |
| 600 | |
| 601 s->passwd.len = arg[1].len; | |
| 602 s->passwd.data = ngx_palloc(c->pool, s->passwd.len); | |
| 603 if (s->passwd.data == NULL) { | |
| 604 ngx_mail_session_internal_server_error(s); | |
| 605 return; | |
| 606 } | |
| 607 | |
| 608 ngx_memcpy(s->passwd.data, arg[1].data, s->passwd.len); | |
| 609 | |
| 610 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 611 "pop3 apop: \"%V\" \"%V\"", | |
| 612 &s->login, &s->passwd); | |
| 613 | |
| 614 s->auth_method = NGX_MAIL_AUTH_APOP; | |
| 615 | |
| 616 ngx_mail_do_auth(s); | |
| 617 return; | |
| 618 } | |
| 619 | |
| 620 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 621 break; | |
| 622 | |
| 623 case NGX_POP3_AUTH: | |
| 624 | |
| 625 #if (NGX_MAIL_SSL) | |
| 626 | |
| 627 if (c->ssl == NULL) { | |
| 628 sslcf = ngx_mail_get_module_srv_conf(s, | |
| 629 ngx_mail_ssl_module); | |
| 630 | |
| 631 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 632 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 633 break; | |
| 634 } | |
| 635 } | |
| 636 #endif | |
| 637 | |
| 638 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
| 639 | |
| 640 if (s->args.nelts == 0) { | |
| 641 size = cscf->pop3_auth_capability.len; | |
| 642 text = cscf->pop3_auth_capability.data; | |
| 643 s->state = 0; | |
| 644 break; | |
| 645 } | |
| 646 | |
| 647 arg = s->args.elts; | |
| 648 | |
| 649 if (arg[0].len == 5) { | |
| 650 | |
| 651 if (ngx_strncasecmp(arg[0].data, (u_char *) "LOGIN", 5) | |
| 652 == 0) | |
| 653 { | |
| 654 | |
| 655 if (s->args.nelts != 1) { | |
| 656 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 657 break; | |
| 658 } | |
| 659 | |
| 660 s->mail_state = ngx_pop3_auth_login_username; | |
| 661 | |
| 662 size = sizeof(pop3_username) - 1; | |
| 663 text = pop3_username; | |
| 664 | |
| 665 break; | |
| 666 | |
| 667 } else if (ngx_strncasecmp(arg[0].data, (u_char *) "PLAIN", | |
| 668 5) | |
| 669 == 0) | |
| 670 { | |
| 671 | |
| 672 if (s->args.nelts == 1) { | |
| 673 s->mail_state = ngx_pop3_auth_plain; | |
| 674 | |
| 675 size = sizeof(pop3_next) - 1; | |
| 676 text = pop3_next; | |
| 677 | |
| 678 break; | |
| 679 } | |
| 680 | |
| 681 if (s->args.nelts == 2) { | |
| 682 | |
| 683 /* | |
| 684 * workaround for Eudora for Mac: it sends | |
| 685 * AUTH PLAIN [base64 encoded] | |
| 686 */ | |
| 687 | |
| 688 rc = ngx_mail_decode_auth_plain(s, &arg[1]); | |
| 689 | |
| 690 if (rc == NGX_OK) { | |
| 691 ngx_mail_do_auth(s); | |
| 692 return; | |
| 693 } | |
| 694 | |
| 695 if (rc == NGX_ERROR) { | |
| 696 ngx_mail_session_internal_server_error(s); | |
| 697 return; | |
| 698 } | |
| 699 | |
| 700 /* rc == NGX_MAIL_PARSE_INVALID_COMMAND */ | |
| 701 | |
| 702 break; | |
| 703 } | |
| 704 | |
| 705 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 706 break; | |
| 707 } | |
| 708 | |
| 709 } else if (arg[0].len == 8 | |
| 710 && ngx_strncasecmp(arg[0].data, | |
| 711 (u_char *) "CRAM-MD5", 8) | |
| 712 == 0) | |
| 713 { | |
|
1286
a9c361479430
fix segfault when CRAM-MD5 is not enabled but client tries it
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
714 if (!(cscf->pop3_auth_methods |
|
a9c361479430
fix segfault when CRAM-MD5 is not enabled but client tries it
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
715 & NGX_MAIL_AUTH_CRAM_MD5_ENABLED) |
|
a9c361479430
fix segfault when CRAM-MD5 is not enabled but client tries it
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
716 || s->args.nelts != 1) |
|
a9c361479430
fix segfault when CRAM-MD5 is not enabled but client tries it
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
717 { |
| 1136 | 718 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
| 719 break; | |
| 720 } | |
| 721 | |
| 722 s->mail_state = ngx_pop3_auth_cram_md5; | |
| 723 | |
| 724 text = ngx_palloc(c->pool, | |
| 725 sizeof("+ " CRLF) - 1 | |
| 726 + ngx_base64_encoded_length(s->salt.len)); | |
| 727 if (text == NULL) { | |
| 728 ngx_mail_session_internal_server_error(s); | |
| 729 return; | |
| 730 } | |
| 731 | |
| 732 text[0] = '+'; text[1]= ' '; | |
| 733 salt.data = &text[2]; | |
| 734 s->salt.len -= 2; | |
| 735 | |
| 736 ngx_encode_base64(&salt, &s->salt); | |
| 737 | |
| 738 s->salt.len += 2; | |
| 739 size = 2 + salt.len; | |
| 740 text[size++] = CR; text[size++] = LF; | |
| 741 | |
| 742 break; | |
| 743 } | |
| 744 | |
| 745 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 746 break; | |
| 747 | |
| 748 case NGX_POP3_QUIT: | |
| 749 s->quit = 1; | |
| 750 break; | |
| 751 | |
| 752 case NGX_POP3_NOOP: | |
| 753 break; | |
| 754 | |
| 755 #if (NGX_MAIL_SSL) | |
| 527 | 756 |
| 1136 | 757 case NGX_POP3_STLS: |
| 758 if (c->ssl == NULL) { | |
| 759 sslcf = ngx_mail_get_module_srv_conf(s, | |
| 760 ngx_mail_ssl_module); | |
| 761 if (sslcf->starttls) { | |
| 762 c->read->handler = ngx_mail_starttls_handler; | |
| 763 break; | |
| 764 } | |
| 765 } | |
| 766 | |
| 767 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 768 break; | |
| 769 #endif | |
| 770 | |
| 771 default: | |
| 772 s->mail_state = ngx_pop3_start; | |
| 773 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 774 break; | |
| 775 } | |
| 776 | |
| 777 break; | |
| 778 | |
| 779 case ngx_pop3_user: | |
| 780 | |
| 781 switch (s->command) { | |
| 782 | |
| 783 case NGX_POP3_PASS: | |
| 784 if (s->args.nelts == 1) { | |
| 785 arg = s->args.elts; | |
| 786 s->passwd.len = arg[0].len; | |
| 787 s->passwd.data = ngx_palloc(c->pool, s->passwd.len); | |
| 788 if (s->passwd.data == NULL) { | |
| 789 ngx_mail_session_internal_server_error(s); | |
| 790 return; | |
| 791 } | |
| 792 | |
| 793 ngx_memcpy(s->passwd.data, arg[0].data, s->passwd.len); | |
| 794 | |
| 795 #if (NGX_DEBUG_MAIL_PASSWD) | |
| 796 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 797 "pop3 passwd: \"%V\"", &s->passwd); | |
| 798 #endif | |
| 799 | |
| 800 ngx_mail_do_auth(s); | |
| 801 return; | |
| 802 } | |
| 803 | |
| 804 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 805 break; | |
| 806 | |
| 807 case NGX_POP3_CAPA: | |
| 808 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
| 809 size = cscf->pop3_capability.len; | |
| 810 text = cscf->pop3_capability.data; | |
| 811 break; | |
| 812 | |
| 813 case NGX_POP3_QUIT: | |
| 814 s->quit = 1; | |
| 815 break; | |
| 816 | |
| 817 case NGX_POP3_NOOP: | |
| 818 break; | |
| 819 | |
| 820 default: | |
| 821 s->mail_state = ngx_pop3_start; | |
| 822 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 823 break; | |
| 824 } | |
| 825 | |
| 826 break; | |
| 827 | |
| 828 /* suppress warinings */ | |
| 829 case ngx_pop3_passwd: | |
| 830 break; | |
| 831 | |
| 832 case ngx_pop3_auth_login_username: | |
| 833 arg = s->args.elts; | |
| 834 s->mail_state = ngx_pop3_auth_login_password; | |
| 835 | |
| 836 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 837 "pop3 auth login username: \"%V\"", &arg[0]); | |
| 838 | |
| 839 s->login.data = ngx_palloc(c->pool, | |
| 840 ngx_base64_decoded_length(arg[0].len)); | |
| 841 if (s->login.data == NULL){ | |
| 842 ngx_mail_session_internal_server_error(s); | |
| 843 return; | |
| 844 } | |
| 845 | |
| 846 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { | |
| 847 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 848 "client sent invalid base64 encoding " | |
| 849 "in AUTH LOGIN command"); | |
| 850 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 851 break; | |
| 852 } | |
| 853 | |
| 854 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 855 "pop3 auth login username: \"%V\"", &s->login); | |
| 856 | |
| 857 size = sizeof(pop3_password) - 1; | |
| 858 text = pop3_password; | |
| 859 | |
| 860 break; | |
| 861 | |
| 862 case ngx_pop3_auth_login_password: | |
| 863 arg = s->args.elts; | |
| 864 | |
| 865 #if (NGX_DEBUG_MAIL_PASSWD) | |
| 866 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 867 "pop3 auth login password: \"%V\"", &arg[0]); | |
| 868 #endif | |
| 869 | |
| 870 s->passwd.data = ngx_palloc(c->pool, | |
| 871 ngx_base64_decoded_length(arg[0].len)); | |
| 872 if (s->passwd.data == NULL){ | |
| 873 ngx_mail_session_internal_server_error(s); | |
| 874 return; | |
| 875 } | |
| 876 | |
| 877 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { | |
| 878 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 879 "client sent invalid base64 encoding " | |
| 880 "in AUTH LOGIN command"); | |
| 881 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 882 break; | |
| 883 } | |
| 884 | |
| 885 #if (NGX_DEBUG_MAIL_PASSWD) | |
| 886 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 887 "pop3 auth login password: \"%V\"", &s->passwd); | |
| 888 #endif | |
| 889 | |
| 890 ngx_mail_do_auth(s); | |
| 891 return; | |
| 892 | |
| 893 case ngx_pop3_auth_plain: | |
| 894 arg = s->args.elts; | |
| 895 | |
| 896 rc = ngx_mail_decode_auth_plain(s, &arg[0]); | |
| 897 | |
| 898 if (rc == NGX_OK) { | |
| 899 ngx_mail_do_auth(s); | |
| 900 return; | |
| 901 } | |
| 902 | |
| 903 if (rc == NGX_ERROR) { | |
| 904 ngx_mail_session_internal_server_error(s); | |
| 905 return; | |
| 906 } | |
| 907 | |
| 908 /* rc == NGX_MAIL_PARSE_INVALID_COMMAND */ | |
| 909 | |
| 910 break; | |
| 911 | |
| 912 case ngx_pop3_auth_cram_md5: | |
| 913 arg = s->args.elts; | |
| 914 | |
| 915 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 916 "pop3 auth cram-md5: \"%V\"", &arg[0]); | |
| 917 | |
| 918 s->login.data = ngx_palloc(c->pool, | |
| 919 ngx_base64_decoded_length(arg[0].len)); | |
| 920 if (s->login.data == NULL){ | |
| 921 ngx_mail_session_internal_server_error(s); | |
| 922 return; | |
| 923 } | |
| 924 | |
| 925 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { | |
| 926 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 927 "client sent invalid base64 encoding " | |
| 928 "in AUTH CRAM-MD5 command"); | |
| 929 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 930 break; | |
| 931 } | |
| 932 | |
| 933 p = s->login.data; | |
| 934 last = p + s->login.len; | |
| 935 | |
| 936 while (p < last) { | |
| 937 if (*p++ == ' ') { | |
| 938 s->login.len = p - s->login.data - 1; | |
| 939 s->passwd.len = last - p; | |
| 940 s->passwd.data = p; | |
| 941 break; | |
| 942 } | |
| 943 } | |
| 944 | |
| 945 if (s->passwd.len != 32) { | |
| 946 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 947 "client sent invalid CRAM-MD5 hash " | |
| 948 "in AUTH CRAM-MD5 command"); | |
| 949 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 950 break; | |
| 951 } | |
| 952 | |
| 953 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 954 "pop3 auth cram-md5: \"%V\" \"%V\"", | |
| 955 &s->login, &s->passwd); | |
| 956 | |
| 957 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; | |
| 958 | |
| 959 ngx_mail_do_auth(s); | |
| 960 return; | |
| 961 } | |
| 962 } | |
| 963 | |
| 964 if (rc == NGX_MAIL_PARSE_INVALID_COMMAND) { | |
| 965 s->mail_state = ngx_pop3_start; | |
| 966 s->state = 0; | |
| 967 text = pop3_invalid_command; | |
| 968 size = sizeof(pop3_invalid_command) - 1; | |
| 969 } | |
| 970 | |
| 971 s->args.nelts = 0; | |
| 972 s->buffer->pos = s->buffer->start; | |
| 973 s->buffer->last = s->buffer->start; | |
| 974 | |
| 975 if (s->state) { | |
| 976 s->arg_start = s->buffer->start; | |
| 977 } | |
| 978 | |
| 979 s->out.data = text; | |
| 980 s->out.len = size; | |
| 981 | |
| 982 ngx_mail_send(c->write); | |
| 983 } | |
| 984 | |
| 985 | |
| 986 void | |
| 987 ngx_imap_auth_state(ngx_event_t *rev) | |
| 988 { | |
| 989 u_char *p, *last, *text, *dst, *src, *end; | |
| 990 ssize_t text_len, last_len; | |
| 1323 | 991 ngx_str_t *arg, salt; |
| 1136 | 992 ngx_int_t rc; |
| 993 ngx_uint_t tag, i; | |
| 994 ngx_connection_t *c; | |
| 995 ngx_mail_session_t *s; | |
| 996 ngx_mail_core_srv_conf_t *cscf; | |
| 997 #if (NGX_MAIL_SSL) | |
| 998 ngx_mail_ssl_conf_t *sslcf; | |
| 999 #endif | |
| 1000 | |
| 1001 c = rev->data; | |
| 1002 s = c->data; | |
| 1003 | |
| 1004 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "imap auth state"); | |
| 1005 | |
| 1006 if (rev->timedout) { | |
| 1007 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 1008 c->timedout = 1; | |
| 1009 ngx_mail_close_connection(c); | |
| 1010 return; | |
| 1011 } | |
| 1012 | |
| 1013 if (s->out.len) { | |
| 1014 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "imap send handler busy"); | |
| 1015 s->blocked = 1; | |
| 1016 return; | |
| 1017 } | |
| 1018 | |
| 1019 s->blocked = 0; | |
| 1020 | |
| 1021 rc = ngx_mail_read_command(s); | |
| 527 | 1022 |
| 1023 if (rc == NGX_AGAIN || rc == NGX_ERROR) { | |
| 1024 return; | |
| 1025 } | |
| 1026 | |
| 1027 tag = 1; | |
| 1028 | |
| 1029 text = NULL; | |
| 1030 text_len = 0; | |
| 1031 | |
| 1032 last = imap_ok; | |
| 1033 last_len = sizeof(imap_ok) - 1; | |
| 1034 | |
| 1035 if (rc == NGX_OK) { | |
| 1036 | |
| 1136 | 1037 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, "imap auth command: %i", |
| 527 | 1038 s->command); |
| 1039 | |
| 543 | 1040 if (s->backslash) { |
| 1041 | |
| 1042 arg = s->args.elts; | |
| 1043 | |
| 1044 for (i = 0; i < s->args.nelts; i++) { | |
| 1045 dst = arg[i].data; | |
| 1046 end = dst + arg[i].len; | |
| 1047 | |
| 1048 for (src = dst; src < end; dst++) { | |
| 1049 *dst = *src; | |
| 1050 if (*src++ == '\\') { | |
| 1051 *dst = *src++; | |
| 1052 } | |
| 1053 } | |
| 1054 | |
| 1055 arg[i].len = dst - arg[i].data; | |
| 1056 } | |
| 1057 | |
| 1058 s->backslash = 0; | |
| 1059 } | |
| 1060 | |
| 1323 | 1061 switch (s->mail_state) { |
| 1062 | |
| 1063 case ngx_imap_start: | |
| 1064 | |
| 1065 switch (s->command) { | |
| 1066 | |
| 1067 case NGX_IMAP_LOGIN: | |
| 583 | 1068 |
| 1136 | 1069 #if (NGX_MAIL_SSL) |
| 583 | 1070 |
| 1323 | 1071 if (c->ssl == NULL) { |
| 1072 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 1073 | |
| 1074 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 1075 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1076 break; | |
| 1077 } | |
| 1078 } | |
| 1079 #endif | |
| 1080 | |
| 1081 arg = s->args.elts; | |
| 1082 | |
| 1083 if (s->args.nelts == 2 && arg[0].len) { | |
| 1084 | |
| 1085 s->login.len = arg[0].len; | |
| 1086 s->login.data = ngx_palloc(c->pool, s->login.len); | |
| 1087 if (s->login.data == NULL) { | |
| 1088 ngx_mail_session_internal_server_error(s); | |
| 1089 return; | |
| 1090 } | |
| 1091 | |
| 1092 ngx_memcpy(s->login.data, arg[0].data, s->login.len); | |
| 1093 | |
| 1094 s->passwd.len = arg[1].len; | |
| 1095 s->passwd.data = ngx_palloc(c->pool, s->passwd.len); | |
| 1096 if (s->passwd.data == NULL) { | |
| 1097 ngx_mail_session_internal_server_error(s); | |
| 1098 return; | |
| 1099 } | |
| 1100 | |
| 1101 ngx_memcpy(s->passwd.data, arg[1].data, s->passwd.len); | |
| 1102 | |
| 1103 #if (NGX_DEBUG_MAIL_PASSWD) | |
| 1104 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 1105 "imap login:\"%V\" passwd:\"%V\"", | |
| 1106 &s->login, &s->passwd); | |
| 1107 #else | |
| 1108 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 1109 "imap login:\"%V\"", &s->login); | |
| 1110 #endif | |
| 1111 | |
| 1112 ngx_mail_do_auth(s); | |
| 1113 return; | |
| 1114 } | |
| 1115 | |
| 1116 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1117 break; | |
| 1118 | |
| 1119 case NGX_IMAP_AUTHENTICATE: | |
| 1120 | |
| 1121 #if (NGX_MAIL_SSL) | |
| 1122 | |
| 1123 if (c->ssl == NULL) { | |
| 1124 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 1125 | |
| 1126 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 1127 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1128 break; | |
| 1129 } | |
| 1130 } | |
| 1131 #endif | |
| 1132 | |
| 1133 if (s->args.nelts != 1) { | |
| 1136 | 1134 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
| 583 | 1135 break; |
| 1136 } | |
| 1323 | 1137 |
| 1138 arg = s->args.elts; | |
| 1139 | |
| 1140 if (arg[0].len == 5) { | |
| 1141 | |
| 1142 if (ngx_strncasecmp(arg[0].data, (u_char *) "LOGIN", 5) | |
| 1143 == 0) | |
| 1144 { | |
| 1145 | |
| 1146 s->mail_state = ngx_imap_auth_login_username; | |
| 1147 | |
| 1148 last_len = sizeof(pop3_username) - 1; | |
| 1149 last = pop3_username; | |
| 1150 tag = 0; | |
| 1151 | |
| 1152 break; | |
| 1153 | |
| 1154 } else if (ngx_strncasecmp(arg[0].data, (u_char *) "PLAIN", | |
| 1155 5) | |
| 1156 == 0) | |
| 1157 { | |
| 1158 | |
| 1159 s->mail_state = ngx_imap_auth_plain; | |
| 1160 | |
| 1161 last_len = sizeof(pop3_next) - 1; | |
| 1162 last = pop3_next; | |
| 1163 tag = 0; | |
| 1164 | |
| 1165 break; | |
| 1166 } | |
| 1167 | |
| 1168 } else if (arg[0].len == 8 | |
| 1169 && ngx_strncasecmp(arg[0].data, | |
| 1170 (u_char *) "CRAM-MD5", 8) | |
| 1171 == 0) | |
| 1172 { | |
| 1173 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
| 1174 | |
| 1175 if (!(cscf->imap_auth_methods | |
| 1176 & NGX_MAIL_AUTH_CRAM_MD5_ENABLED) | |
| 1177 || s->args.nelts != 1) | |
| 1178 { | |
| 1179 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1180 break; | |
| 1181 } | |
| 1182 | |
| 1183 s->mail_state = ngx_imap_auth_cram_md5; | |
| 1184 | |
| 1185 last = ngx_palloc(c->pool, | |
| 1186 sizeof("+ " CRLF) - 1 | |
| 1187 + ngx_base64_encoded_length(s->salt.len)); | |
| 1188 if (last == NULL) { | |
| 1189 ngx_mail_session_internal_server_error(s); | |
| 1190 return; | |
| 1191 } | |
| 1192 | |
| 1193 last[0] = '+'; last[1]= ' '; | |
| 1194 salt.data = &last[2]; | |
| 1195 s->salt.len -= 2; | |
| 1196 | |
| 1197 ngx_encode_base64(&salt, &s->salt); | |
| 1198 | |
| 1199 s->salt.len += 2; | |
| 1200 last_len = 2 + salt.len; | |
| 1201 last[last_len++] = CR; last[last_len++] = LF; | |
| 1202 tag = 0; | |
| 1203 | |
| 1204 break; | |
| 1205 } | |
| 1206 | |
| 1207 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1208 break; | |
| 1209 | |
| 1210 case NGX_IMAP_CAPABILITY: | |
| 1211 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
| 1212 | |
| 1213 #if (NGX_MAIL_SSL) | |
| 1214 | |
| 1215 if (c->ssl == NULL) { | |
| 1216 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 1217 | |
| 1218 if (sslcf->starttls == NGX_MAIL_STARTTLS_ON) { | |
| 1219 text_len = cscf->imap_starttls_capability.len; | |
| 1220 text = cscf->imap_starttls_capability.data; | |
| 1221 break; | |
| 1222 } | |
| 1223 | |
| 1224 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 1225 text_len = cscf->imap_starttls_only_capability.len; | |
| 1226 text = cscf->imap_starttls_only_capability.data; | |
| 1227 break; | |
| 1228 } | |
| 1229 } | |
| 583 | 1230 #endif |
| 1231 | |
| 1323 | 1232 text_len = cscf->imap_capability.len; |
| 1233 text = cscf->imap_capability.data; | |
| 1234 break; | |
| 1235 | |
| 1236 case NGX_IMAP_LOGOUT: | |
| 1237 s->quit = 1; | |
| 1238 text = imap_bye; | |
| 1239 text_len = sizeof(imap_bye) - 1; | |
| 1240 break; | |
| 1241 | |
| 1242 case NGX_IMAP_NOOP: | |
| 1243 break; | |
| 1244 | |
| 1245 #if (NGX_MAIL_SSL) | |
| 1246 | |
| 1247 case NGX_IMAP_STARTTLS: | |
| 1248 if (c->ssl == NULL) { | |
| 1249 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 1250 if (sslcf->starttls) { | |
| 1251 c->read->handler = ngx_mail_starttls_handler; | |
| 1252 break; | |
| 1253 } | |
| 1254 } | |
| 1255 | |
| 1256 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1257 break; | |
| 1258 #endif | |
| 1259 | |
| 1260 default: | |
| 1261 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1262 break; | |
| 1263 } | |
| 1264 | |
| 1265 break; | |
| 1266 | |
| 1267 case ngx_imap_auth_login_username: | |
| 569 | 1268 arg = s->args.elts; |
| 1323 | 1269 s->mail_state = ngx_imap_auth_login_password; |
| 1270 | |
| 1271 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 1272 "imap auth login username: \"%V\"", &arg[0]); | |
| 1273 | |
| 1274 s->login.data = ngx_palloc(c->pool, | |
| 1275 ngx_base64_decoded_length(arg[0].len)); | |
| 1276 if (s->login.data == NULL){ | |
| 1277 ngx_mail_session_internal_server_error(s); | |
| 1278 return; | |
| 1279 } | |
| 1280 | |
| 1281 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { | |
| 1282 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1283 "client sent invalid base64 encoding " | |
| 1284 "in AUTH LOGIN command"); | |
| 1285 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1286 break; | |
| 1287 } | |
| 1288 | |
| 1289 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 1290 "imap auth login username: \"%V\"", &s->login); | |
| 1291 | |
| 1292 last_len = sizeof(pop3_password) - 1; | |
| 1293 last = pop3_password; | |
| 1294 tag = 0; | |
| 1295 | |
| 1296 break; | |
| 1297 | |
| 1298 case ngx_imap_auth_login_password: | |
| 1299 arg = s->args.elts; | |
| 527 | 1300 |
| 1136 | 1301 #if (NGX_DEBUG_MAIL_PASSWD) |
| 1323 | 1302 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 1303 "imap auth login password: \"%V\"", &arg[0]); | |
| 547 | 1304 #endif |
| 527 | 1305 |
| 1323 | 1306 s->passwd.data = ngx_palloc(c->pool, |
| 1307 ngx_base64_decoded_length(arg[0].len)); | |
| 1308 if (s->passwd.data == NULL){ | |
| 1309 ngx_mail_session_internal_server_error(s); | |
| 1310 return; | |
| 1311 } | |
| 1312 | |
| 1313 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { | |
| 1314 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1315 "client sent invalid base64 encoding " | |
| 1316 "in AUTH LOGIN command"); | |
| 1317 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1318 break; | |
| 1319 } | |
| 1320 | |
| 1321 #if (NGX_DEBUG_MAIL_PASSWD) | |
| 1322 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 1323 "imap auth login password: \"%V\"", &s->passwd); | |
| 1324 #endif | |
| 1325 | |
| 1326 ngx_mail_do_auth(s); | |
| 1327 return; | |
| 1328 | |
| 1329 case ngx_imap_auth_plain: | |
| 1330 arg = s->args.elts; | |
| 1331 | |
| 1332 rc = ngx_mail_decode_auth_plain(s, &arg[0]); | |
| 1333 | |
| 1334 if (rc == NGX_OK) { | |
| 1136 | 1335 ngx_mail_do_auth(s); |
| 527 | 1336 return; |
| 1337 } | |
| 1338 | |
| 1323 | 1339 if (rc == NGX_ERROR) { |
| 1340 ngx_mail_session_internal_server_error(s); | |
| 1341 return; | |
| 1342 } | |
| 1343 | |
| 1344 /* rc == NGX_MAIL_PARSE_INVALID_COMMAND */ | |
| 1345 | |
| 527 | 1346 break; |
| 1347 | |
| 1323 | 1348 case ngx_imap_auth_cram_md5: |
| 1349 arg = s->args.elts; | |
| 1350 | |
| 1351 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 1352 "imap auth cram-md5: \"%V\"", &arg[0]); | |
| 1353 | |
| 1354 s->login.data = ngx_palloc(c->pool, | |
| 1355 ngx_base64_decoded_length(arg[0].len)); | |
| 1356 if (s->login.data == NULL){ | |
| 1357 ngx_mail_session_internal_server_error(s); | |
| 1358 return; | |
| 1359 } | |
| 1360 | |
| 1361 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { | |
| 1362 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1363 "client sent invalid base64 encoding " | |
| 1364 "in AUTH CRAM-MD5 command"); | |
| 1365 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1366 break; | |
| 1367 } | |
| 1368 | |
| 1369 p = s->login.data; | |
| 1370 last = p + s->login.len; | |
| 1371 | |
| 1372 while (p < last) { | |
| 1373 if (*p++ == ' ') { | |
| 1374 s->login.len = p - s->login.data - 1; | |
| 1375 s->passwd.len = last - p; | |
| 1376 s->passwd.data = p; | |
| 583 | 1377 break; |
| 1378 } | |
| 1379 } | |
| 1323 | 1380 |
| 1381 if (s->passwd.len != 32) { | |
| 1382 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1383 "client sent invalid CRAM-MD5 hash " | |
| 1384 "in AUTH CRAM-MD5 command"); | |
| 1385 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1386 break; | |
| 583 | 1387 } |
| 1388 | |
| 1323 | 1389 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 1390 "imap auth cram-md5: \"%V\" \"%V\"", | |
| 1391 &s->login, &s->passwd); | |
| 1392 | |
| 1393 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; | |
| 1394 | |
| 1395 ngx_mail_do_auth(s); | |
| 1396 return; | |
| 527 | 1397 } |
| 1398 | |
| 1399 } else if (rc == NGX_IMAP_NEXT) { | |
| 1400 last = imap_next; | |
| 1401 last_len = sizeof(imap_next) - 1; | |
| 1402 tag = 0; | |
| 1403 } | |
| 1404 | |
| 1136 | 1405 if (rc == NGX_MAIL_PARSE_INVALID_COMMAND) { |
| 1323 | 1406 s->mail_state = ngx_imap_start; |
| 1407 s->state = 0; | |
| 527 | 1408 last = imap_invalid_command; |
| 1409 last_len = sizeof(imap_invalid_command) - 1; | |
| 1410 } | |
| 1411 | |
| 1412 if (tag) { | |
| 543 | 1413 if (s->tag.len == 0) { |
| 1414 s->tag.len = sizeof(imap_star) - 1; | |
| 1415 s->tag.data = (u_char *) imap_star; | |
| 1416 } | |
| 1417 | |
| 539 | 1418 if (s->tagged_line.len < s->tag.len + text_len + last_len) { |
| 1419 s->tagged_line.len = s->tag.len + text_len + last_len; | |
| 1420 s->tagged_line.data = ngx_palloc(c->pool, s->tagged_line.len); | |
| 1421 if (s->tagged_line.data == NULL) { | |
| 1136 | 1422 ngx_mail_close_connection(c); |
| 527 | 1423 return; |
| 1424 } | |
| 1425 } | |
| 1426 | |
| 539 | 1427 s->out.data = s->tagged_line.data; |
| 1428 s->out.len = s->tag.len + text_len + last_len; | |
| 1429 | |
| 1430 p = s->out.data; | |
| 527 | 1431 |
| 1432 if (text) { | |
| 1433 p = ngx_cpymem(p, text, text_len); | |
| 1434 } | |
| 1435 p = ngx_cpymem(p, s->tag.data, s->tag.len); | |
| 1436 ngx_memcpy(p, last, last_len); | |
| 1437 | |
| 1438 | |
| 1439 } else { | |
| 539 | 1440 s->out.data = last; |
| 1441 s->out.len = last_len; | |
| 527 | 1442 } |
| 1443 | |
| 539 | 1444 if (rc != NGX_IMAP_NEXT) { |
| 1445 s->args.nelts = 0; | |
| 1323 | 1446 |
| 1447 if (s->state) { | |
| 1448 /* preserve tag */ | |
| 1449 s->arg_start = s->buffer->start + s->tag.len; | |
| 1450 s->buffer->pos = s->arg_start; | |
| 1451 s->buffer->last = s->arg_start; | |
| 1452 | |
| 1453 } else { | |
| 1454 s->buffer->pos = s->buffer->start; | |
| 1455 s->buffer->last = s->buffer->start; | |
| 1456 s->tag.len = 0; | |
| 1457 } | |
| 527 | 1458 } |
| 1459 | |
| 1136 | 1460 ngx_mail_send(c->write); |
| 521 | 1461 } |
| 1462 | |
| 1463 | |
| 527 | 1464 void |
| 1136 | 1465 ngx_smtp_auth_state(ngx_event_t *rev) |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1466 { |
| 1136 | 1467 u_char *p, *last, *text, ch; |
| 527 | 1468 ssize_t size; |
| 1469 ngx_int_t rc; | |
| 1136 | 1470 ngx_str_t *arg, salt, l; |
| 1471 ngx_uint_t i; | |
| 527 | 1472 ngx_connection_t *c; |
| 1136 | 1473 ngx_mail_session_t *s; |
| 1474 ngx_mail_core_srv_conf_t *cscf; | |
| 1322 | 1475 #if (NGX_MAIL_SSL) |
| 1476 ngx_mail_ssl_conf_t *sslcf; | |
| 1477 #endif | |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1478 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1479 c = rev->data; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1480 s = c->data; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1481 |
| 1136 | 1482 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "smtp auth state"); |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1483 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1484 if (rev->timedout) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1485 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
| 577 | 1486 c->timedout = 1; |
| 1136 | 1487 ngx_mail_close_connection(c); |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1488 return; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
1489 } |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1490 |
| 539 | 1491 if (s->out.len) { |
| 1136 | 1492 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, c->log, 0, "smtp send handler busy"); |
| 539 | 1493 s->blocked = 1; |
| 1494 return; | |
| 1495 } | |
| 1496 | |
| 1497 s->blocked = 0; | |
| 1498 | |
| 1136 | 1499 rc = ngx_mail_read_command(s); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1500 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1501 if (rc == NGX_AGAIN || rc == NGX_ERROR) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1502 return; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1503 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1504 |
| 1136 | 1505 text = NULL; |
| 1506 size = 0; | |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1507 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1508 if (rc == NGX_OK) { |
| 1136 | 1509 switch (s->mail_state) { |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1510 |
| 1136 | 1511 case ngx_smtp_start: |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1512 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1513 switch (s->command) { |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1514 |
| 1136 | 1515 case NGX_SMTP_HELO: |
| 1516 case NGX_SMTP_EHLO: | |
| 1517 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
1518 |
| 1136 | 1519 if (s->args.nelts != 1) { |
| 1520 text = smtp_invalid_argument; | |
| 1521 size = sizeof(smtp_invalid_argument) - 1; | |
| 1522 s->state = 0; | |
| 809 | 1523 break; |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1524 } |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1525 |
| 1136 | 1526 arg = s->args.elts; |
| 583 | 1527 |
| 1136 | 1528 s->smtp_helo.len = arg[0].len; |
| 800 | 1529 |
| 1136 | 1530 s->smtp_helo.data = ngx_palloc(c->pool, arg[0].len); |
| 1531 if (s->smtp_helo.data == NULL) { | |
| 1532 ngx_mail_session_internal_server_error(s); | |
| 800 | 1533 return; |
| 809 | 1534 } |
| 800 | 1535 |
| 1136 | 1536 ngx_memcpy(s->smtp_helo.data, arg[0].data, arg[0].len); |
| 1537 | |
| 1538 if (s->command == NGX_SMTP_HELO) { | |
| 1539 size = cscf->smtp_server_name.len; | |
| 1540 text = cscf->smtp_server_name.data; | |
| 1541 | |
| 1542 } else { | |
| 1543 s->esmtp = 1; | |
| 1322 | 1544 |
| 1545 #if (NGX_MAIL_SSL) | |
| 1546 | |
| 1547 if (c->ssl == NULL) { | |
| 1548 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 1549 | |
| 1550 if (sslcf->starttls == NGX_MAIL_STARTTLS_ON) { | |
| 1551 size = cscf->smtp_starttls_capability.len; | |
| 1552 text = cscf->smtp_starttls_capability.data; | |
| 1553 break; | |
| 1554 } | |
| 1555 | |
| 1556 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 1557 size = cscf->smtp_starttls_only_capability.len; | |
| 1558 text = cscf->smtp_starttls_only_capability.data; | |
| 1559 break; | |
| 1560 } | |
| 1561 } | |
| 1562 #endif | |
| 1563 | |
| 1136 | 1564 size = cscf->smtp_capability.len; |
| 1565 text = cscf->smtp_capability.data; | |
| 1566 } | |
| 1567 | |
| 809 | 1568 break; |
| 1569 | |
| 1136 | 1570 case NGX_SMTP_AUTH: |
| 809 | 1571 |
| 1322 | 1572 #if (NGX_MAIL_SSL) |
| 1573 | |
| 1574 if (c->ssl == NULL) { | |
| 1575 sslcf = ngx_mail_get_module_srv_conf(s, ngx_mail_ssl_module); | |
| 1576 | |
| 1577 if (sslcf->starttls == NGX_MAIL_STARTTLS_ONLY) { | |
| 1578 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1579 break; | |
| 1580 } | |
| 1581 } | |
| 1582 #endif | |
| 1583 | |
| 809 | 1584 if (s->args.nelts == 0) { |
| 1136 | 1585 text = smtp_invalid_argument; |
| 1586 size = sizeof(smtp_invalid_argument) - 1; | |
| 810 | 1587 s->state = 0; |
| 809 | 1588 break; |
| 1589 } | |
| 1590 | |
| 1591 arg = s->args.elts; | |
| 1592 | |
| 1593 if (arg[0].len == 5) { | |
| 1594 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1025
diff
changeset
|
1595 if (ngx_strncasecmp(arg[0].data, (u_char *) "LOGIN", 5) |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1025
diff
changeset
|
1596 == 0) |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1025
diff
changeset
|
1597 { |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1598 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1599 if (s->args.nelts != 1) { |
| 1136 | 1600 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1601 break; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1602 } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1603 |
| 1136 | 1604 s->mail_state = ngx_smtp_auth_login_username; |
| 809 | 1605 |
| 1136 | 1606 size = sizeof(smtp_username) - 1; |
| 1607 text = smtp_username; | |
| 809 | 1608 |
| 1609 break; | |
| 1610 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1025
diff
changeset
|
1611 } else if (ngx_strncasecmp(arg[0].data, (u_char *) "PLAIN", |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1025
diff
changeset
|
1612 5) |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1025
diff
changeset
|
1613 == 0) |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1025
diff
changeset
|
1614 { |
| 1136 | 1615 if (s->args.nelts == 1) { |
| 1616 s->mail_state = ngx_smtp_auth_plain; | |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1617 |
| 1136 | 1618 size = sizeof(smtp_next) - 1; |
| 1619 text = smtp_next; | |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1620 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1621 break; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1622 } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1623 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1624 if (s->args.nelts == 2) { |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1625 |
| 1136 | 1626 rc = ngx_mail_decode_auth_plain(s, &arg[1]); |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1627 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1628 if (rc == NGX_OK) { |
| 1136 | 1629 ngx_mail_do_auth(s); |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1630 return; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1631 } |
| 809 | 1632 |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1633 if (rc == NGX_ERROR) { |
| 1136 | 1634 ngx_mail_session_internal_server_error(s); |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1635 return; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1636 } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1637 |
| 1136 | 1638 /* rc == NGX_MAIL_PARSE_INVALID_COMMAND */ |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1639 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1640 break; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1641 } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1642 |
| 1136 | 1643 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
| 809 | 1644 break; |
| 1645 } | |
| 1646 | |
| 1647 } else if (arg[0].len == 8 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1025
diff
changeset
|
1648 && ngx_strncasecmp(arg[0].data, |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1025
diff
changeset
|
1649 (u_char *) "CRAM-MD5", 8) |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
1025
diff
changeset
|
1650 == 0) |
| 809 | 1651 { |
|
1286
a9c361479430
fix segfault when CRAM-MD5 is not enabled but client tries it
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
1652 cscf = ngx_mail_get_module_srv_conf(s, |
|
a9c361479430
fix segfault when CRAM-MD5 is not enabled but client tries it
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
1653 ngx_mail_core_module); |
|
a9c361479430
fix segfault when CRAM-MD5 is not enabled but client tries it
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
1654 |
|
a9c361479430
fix segfault when CRAM-MD5 is not enabled but client tries it
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
1655 if (!(cscf->smtp_auth_methods |
|
a9c361479430
fix segfault when CRAM-MD5 is not enabled but client tries it
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
1656 & NGX_MAIL_AUTH_CRAM_MD5_ENABLED) |
|
a9c361479430
fix segfault when CRAM-MD5 is not enabled but client tries it
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
1657 || s->args.nelts != 1) |
|
a9c361479430
fix segfault when CRAM-MD5 is not enabled but client tries it
Igor Sysoev <igor@sysoev.ru>
parents:
1166
diff
changeset
|
1658 { |
| 1136 | 1659 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
| 1660 break; | |
| 1661 } | |
| 1662 | |
| 1663 s->mail_state = ngx_smtp_auth_cram_md5; | |
| 809 | 1664 |
| 1665 text = ngx_palloc(c->pool, | |
| 1136 | 1666 sizeof("334 " CRLF) - 1 |
| 1667 + ngx_base64_encoded_length(s->salt.len)); | |
| 809 | 1668 if (text == NULL) { |
| 1136 | 1669 ngx_mail_session_internal_server_error(s); |
| 809 | 1670 return; |
| 1671 } | |
| 1672 | |
| 1136 | 1673 text[0] = '3'; text[1]= '3'; text[2] = '4'; text[3]= ' '; |
| 1674 salt.data = &text[4]; | |
| 809 | 1675 s->salt.len -= 2; |
| 1676 | |
| 1677 ngx_encode_base64(&salt, &s->salt); | |
| 1678 | |
| 1679 s->salt.len += 2; | |
| 1136 | 1680 size = 4 + salt.len; |
| 809 | 1681 text[size++] = CR; text[size++] = LF; |
| 1682 | |
| 1683 break; | |
| 1684 } | |
| 1685 | |
| 1136 | 1686 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
| 800 | 1687 break; |
| 1688 | |
| 1136 | 1689 case NGX_SMTP_QUIT: |
| 539 | 1690 s->quit = 1; |
| 1136 | 1691 text = smtp_bye; |
| 1692 size = sizeof(smtp_bye) - 1; | |
| 527 | 1693 break; |
| 1694 | |
| 1136 | 1695 case NGX_SMTP_MAIL: |
| 1696 | |
| 1697 if (s->connection->log->log_level >= NGX_LOG_INFO) { | |
| 1166 | 1698 l.len = s->buffer->last - s->buffer->start; |
| 1699 l.data = s->buffer->start; | |
| 1136 | 1700 |
| 1166 | 1701 for (i = 0; i < l.len; i++) { |
| 1702 ch = l.data[i]; | |
| 1136 | 1703 |
| 1166 | 1704 if (ch != CR && ch != LF) { |
| 1705 continue; | |
| 1706 } | |
| 583 | 1707 |
| 1166 | 1708 l.data[i] = ' '; |
| 1709 } | |
| 1136 | 1710 |
| 1166 | 1711 while (i) { |
| 1712 if (l.data[i - 1] != ' ') { | |
| 1713 break; | |
| 1714 } | |
| 1136 | 1715 |
| 1166 | 1716 i--; |
| 1717 } | |
| 1136 | 1718 |
| 1166 | 1719 l.len = i; |
| 1136 | 1720 |
| 1166 | 1721 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, |
| 1722 "client was rejected: \"%V\"", &l); | |
| 583 | 1723 } |
| 1724 | |
| 1136 | 1725 text = smtp_auth_required; |
| 1726 size = sizeof(smtp_auth_required) - 1; | |
| 583 | 1727 break; |
| 1728 | |
| 1136 | 1729 case NGX_SMTP_NOOP: |
| 1730 case NGX_SMTP_RSET: | |
| 1731 text = smtp_ok; | |
| 1732 size = sizeof(smtp_ok) - 1; | |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1733 break; |
| 1322 | 1734 |
| 1735 #if (NGX_MAIL_SSL) | |
| 1736 | |
| 1737 case NGX_SMTP_STARTTLS: | |
| 1738 if (c->ssl == NULL) { | |
| 1739 sslcf = ngx_mail_get_module_srv_conf(s, | |
| 1740 ngx_mail_ssl_module); | |
| 1741 if (sslcf->starttls) { | |
| 1742 c->read->handler = ngx_mail_starttls_handler; | |
| 1743 | |
| 1744 /* | |
| 1745 * RFC3207 requires us to discard any knowledge | |
| 1746 * obtained from client before STARTTLS. | |
| 1747 */ | |
| 1748 | |
| 1749 s->smtp_helo.len = 0; | |
| 1750 s->smtp_helo.data = NULL; | |
| 1751 | |
| 1752 text = smtp_ok; | |
| 1753 size = sizeof(smtp_ok) - 1; | |
| 1754 | |
| 1755 break; | |
| 1756 } | |
| 1757 } | |
| 1758 | |
| 1759 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1760 break; | |
| 1761 #endif | |
| 1762 | |
| 1763 default: | |
| 1764 rc = NGX_MAIL_PARSE_INVALID_COMMAND; | |
| 1765 break; | |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1766 } |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1767 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1768 break; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1769 |
| 1136 | 1770 case ngx_smtp_auth_login_username: |
| 1771 arg = s->args.elts; | |
| 1772 s->mail_state = ngx_smtp_auth_login_password; | |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1773 |
| 1136 | 1774 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 1775 "smtp auth login username: \"%V\"", &arg[0]); | |
| 809 | 1776 |
| 1777 s->login.data = ngx_palloc(c->pool, | |
| 1778 ngx_base64_decoded_length(arg[0].len)); | |
| 1779 if (s->login.data == NULL){ | |
| 1136 | 1780 ngx_mail_session_internal_server_error(s); |
| 809 | 1781 return; |
| 1782 } | |
| 1783 | |
| 1784 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { | |
| 1785 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1786 "client sent invalid base64 encoding " | |
| 1787 "in AUTH LOGIN command"); | |
| 1136 | 1788 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
| 810 | 1789 break; |
| 809 | 1790 } |
| 1791 | |
| 1136 | 1792 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 1793 "smtp auth login username: \"%V\"", &s->login); | |
| 809 | 1794 |
| 1136 | 1795 size = sizeof(smtp_password) - 1; |
| 1796 text = smtp_password; | |
| 809 | 1797 |
| 1798 break; | |
| 1799 | |
| 1136 | 1800 case ngx_smtp_auth_login_password: |
| 809 | 1801 arg = s->args.elts; |
| 1802 | |
| 1136 | 1803 #if (NGX_DEBUG_MAIL_PASSWD) |
| 1804 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 1805 "smtp auth login password: \"%V\"", &arg[0]); | |
| 809 | 1806 #endif |
| 1807 | |
| 1808 s->passwd.data = ngx_palloc(c->pool, | |
| 1809 ngx_base64_decoded_length(arg[0].len)); | |
| 1810 if (s->passwd.data == NULL){ | |
| 1136 | 1811 ngx_mail_session_internal_server_error(s); |
| 809 | 1812 return; |
| 1813 } | |
| 1814 | |
| 1815 if (ngx_decode_base64(&s->passwd, &arg[0]) != NGX_OK) { | |
| 1816 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1817 "client sent invalid base64 encoding " | |
| 1818 "in AUTH LOGIN command"); | |
| 1136 | 1819 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
| 810 | 1820 break; |
| 809 | 1821 } |
| 1822 | |
| 1136 | 1823 #if (NGX_DEBUG_MAIL_PASSWD) |
| 1824 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, | |
| 1825 "smtp auth login password: \"%V\"", &s->passwd); | |
| 809 | 1826 #endif |
| 1827 | |
| 1136 | 1828 ngx_mail_do_auth(s); |
| 809 | 1829 return; |
| 1830 | |
| 1136 | 1831 case ngx_smtp_auth_plain: |
| 809 | 1832 arg = s->args.elts; |
| 1833 | |
| 1136 | 1834 rc = ngx_mail_decode_auth_plain(s, &arg[0]); |
| 809 | 1835 |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1836 if (rc == NGX_OK) { |
| 1136 | 1837 ngx_mail_do_auth(s); |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1838 return; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1839 } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1840 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1841 if (rc == NGX_ERROR) { |
| 1136 | 1842 ngx_mail_session_internal_server_error(s); |
| 809 | 1843 return; |
| 1844 } | |
| 1845 | |
| 1136 | 1846 /* rc == NGX_MAIL_PARSE_INVALID_COMMAND */ |
| 809 | 1847 |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1848 break; |
| 809 | 1849 |
| 1136 | 1850 case ngx_smtp_auth_cram_md5: |
| 809 | 1851 arg = s->args.elts; |
| 1852 | |
| 1136 | 1853 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 1854 "smtp auth cram-md5: \"%V\"", &arg[0]); | |
| 809 | 1855 |
| 1856 s->login.data = ngx_palloc(c->pool, | |
| 1857 ngx_base64_decoded_length(arg[0].len)); | |
| 1858 if (s->login.data == NULL){ | |
| 1136 | 1859 ngx_mail_session_internal_server_error(s); |
| 809 | 1860 return; |
| 1861 } | |
| 1862 | |
| 1863 if (ngx_decode_base64(&s->login, &arg[0]) != NGX_OK) { | |
| 1864 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1865 "client sent invalid base64 encoding " | |
| 810 | 1866 "in AUTH CRAM-MD5 command"); |
| 1136 | 1867 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
| 810 | 1868 break; |
| 809 | 1869 } |
| 1870 | |
| 1871 p = s->login.data; | |
| 1872 last = p + s->login.len; | |
| 1873 | |
| 1874 while (p < last) { | |
| 1875 if (*p++ == ' ') { | |
| 1876 s->login.len = p - s->login.data - 1; | |
| 1877 s->passwd.len = last - p; | |
| 1878 s->passwd.data = p; | |
| 1879 break; | |
| 1880 } | |
| 1881 } | |
| 1882 | |
| 810 | 1883 if (s->passwd.len != 32) { |
| 1884 ngx_log_error(NGX_LOG_INFO, c->log, 0, | |
| 1885 "client sent invalid CRAM-MD5 hash " | |
| 1886 "in AUTH CRAM-MD5 command"); | |
| 1136 | 1887 rc = NGX_MAIL_PARSE_INVALID_COMMAND; |
| 810 | 1888 break; |
| 1889 } | |
| 1890 | |
| 1136 | 1891 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 1892 "smtp auth cram-md5: \"%V\" \"%V\"", | |
| 809 | 1893 &s->login, &s->passwd); |
| 1894 | |
| 1136 | 1895 s->auth_method = NGX_MAIL_AUTH_CRAM_MD5; |
| 809 | 1896 |
| 1136 | 1897 ngx_mail_do_auth(s); |
| 809 | 1898 return; |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1899 } |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1900 } |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1901 |
| 1136 | 1902 if (rc == NGX_MAIL_PARSE_INVALID_COMMAND) { |
| 1903 s->mail_state = ngx_smtp_start; | |
| 810 | 1904 s->state = 0; |
| 1136 | 1905 text = smtp_invalid_command; |
| 1906 size = sizeof(smtp_invalid_command) - 1; | |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1907 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1908 |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1909 s->args.nelts = 0; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1910 s->buffer->pos = s->buffer->start; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
1911 s->buffer->last = s->buffer->start; |
| 539 | 1912 |
| 810 | 1913 if (s->state) { |
| 1914 s->arg_start = s->buffer->start; | |
| 1915 } | |
| 1916 | |
| 539 | 1917 s->out.data = text; |
| 1918 s->out.len = size; | |
| 1919 | |
| 1136 | 1920 ngx_mail_send(c->write); |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
1921 } |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
1922 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
1923 |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1924 static ngx_int_t |
| 1136 | 1925 ngx_mail_decode_auth_plain(ngx_mail_session_t *s, ngx_str_t *encoded) |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1926 { |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1927 u_char *p, *last; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1928 ngx_str_t plain; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1929 |
| 1136 | 1930 #if (NGX_DEBUG_MAIL_PASSWD) |
| 1931 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 1932 "mail auth plain: \"%V\"", encoded); | |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1933 #endif |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1934 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1935 plain.data = ngx_palloc(s->connection->pool, |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1936 ngx_base64_decoded_length(encoded->len)); |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1937 if (plain.data == NULL){ |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1938 return NGX_ERROR; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1939 } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1940 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1941 if (ngx_decode_base64(&plain, encoded) != NGX_OK) { |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1942 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1943 "client sent invalid base64 encoding " |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1944 "in AUTH PLAIN command"); |
| 1136 | 1945 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1946 } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1947 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1948 p = plain.data; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1949 last = p + plain.len; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1950 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1951 while (p < last && *p++) { /* void */ } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1952 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1953 if (p == last) { |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1954 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1955 "client sent invalid login in AUTH PLAIN command"); |
| 1136 | 1956 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1957 } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1958 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1959 s->login.data = p; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1960 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1961 while (p < last && *p) { p++; } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1962 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1963 if (p == last) { |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1964 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1965 "client sent invalid password in AUTH PLAIN command"); |
| 1136 | 1966 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1967 } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1968 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1969 s->login.len = p++ - s->login.data; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1970 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1971 s->passwd.len = last - p; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1972 s->passwd.data = p; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1973 |
| 1136 | 1974 #if (NGX_DEBUG_MAIL_PASSWD) |
| 1975 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 1976 "mail auth plain: \"%V\" \"%V\"", | |
|
894
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1977 &s->login, &s->passwd); |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1978 #endif |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1979 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1980 return NGX_OK; |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1981 } |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1982 |
|
4f7dca9c37f0
workaround for Eudora for Mac: it sends
Igor Sysoev <igor@sysoev.ru>
parents:
884
diff
changeset
|
1983 |
|
855
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1984 static void |
| 1136 | 1985 ngx_mail_do_auth(ngx_mail_session_t *s) |
|
855
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1986 { |
|
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1987 s->args.nelts = 0; |
|
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1988 s->buffer->pos = s->buffer->start; |
|
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1989 s->buffer->last = s->buffer->start; |
|
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1990 s->state = 0; |
|
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1991 |
|
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1992 if (s->connection->read->timer_set) { |
| 1025 | 1993 ngx_del_timer(s->connection->read); |
|
855
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1994 } |
|
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1995 |
|
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1996 s->login_attempt++; |
|
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1997 |
| 1136 | 1998 ngx_mail_auth_http_init(s); |
|
855
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
1999 } |
|
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
2000 |
|
b006f30d6a2f
count s->login_attempt for POP3, minimize code
Igor Sysoev <igor@sysoev.ru>
parents:
851
diff
changeset
|
2001 |
| 521 | 2002 static ngx_int_t |
| 1136 | 2003 ngx_mail_read_command(ngx_mail_session_t *s) |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2004 { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2005 ssize_t n; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2006 ngx_int_t rc; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2007 ngx_str_t l; |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2008 |
| 539 | 2009 n = s->connection->recv(s->connection, s->buffer->last, |
| 2010 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
|
2011 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2012 if (n == NGX_ERROR || n == 0) { |
| 1136 | 2013 ngx_mail_close_connection(s->connection); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2014 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2015 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2016 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2017 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2018 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
|
2019 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2020 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2021 if (n == NGX_AGAIN) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2022 if (ngx_handle_read_event(s->connection->read, 0) == NGX_ERROR) { |
| 1136 | 2023 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
|
2024 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2025 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2026 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2027 return NGX_AGAIN; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2028 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2029 |
| 1136 | 2030 switch (s->protocol) { |
| 2031 case NGX_MAIL_POP3_PROTOCOL: | |
| 527 | 2032 rc = ngx_pop3_parse_command(s); |
| 1136 | 2033 break; |
| 2034 | |
| 2035 case NGX_MAIL_IMAP_PROTOCOL: | |
| 527 | 2036 rc = ngx_imap_parse_command(s); |
| 1136 | 2037 break; |
| 2038 | |
| 2039 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 2040 rc = ngx_smtp_parse_command(s); | |
| 2041 break; | |
| 527 | 2042 } |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2043 |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2044 if (rc == NGX_AGAIN) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2045 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2046 if (s->buffer->last < s->buffer->end) { |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2047 return rc; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2048 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2049 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2050 l.len = s->buffer->last - s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2051 l.data = s->buffer->start; |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2052 |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2053 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2054 "client sent too long command \"%V\"", &l); |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2055 |
|
1111
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
2056 s->quit = 1; |
|
b0fc4af1f196
close connection for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1108
diff
changeset
|
2057 |
| 1136 | 2058 return NGX_MAIL_PARSE_INVALID_COMMAND; |
|
1108
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2059 } |
|
109e8c7d7cc1
return error for too long commands
Igor Sysoev <igor@sysoev.ru>
parents:
1107
diff
changeset
|
2060 |
| 1136 | 2061 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
|
2062 return rc; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2063 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2064 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2065 if (rc == NGX_ERROR) { |
| 1136 | 2066 ngx_mail_close_connection(s->connection); |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2067 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2068 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2069 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2070 return NGX_OK; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2071 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2072 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2073 |
| 521 | 2074 void |
| 1136 | 2075 ngx_mail_session_internal_server_error(ngx_mail_session_t *s) |
| 525 | 2076 { |
| 539 | 2077 s->out = internal_server_errors[s->protocol]; |
| 2078 s->quit = 1; | |
| 525 | 2079 |
| 1136 | 2080 ngx_mail_send(s->connection->write); |
| 525 | 2081 } |
| 2082 | |
| 2083 | |
| 2084 void | |
| 1136 | 2085 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
|
2086 { |
| 479 | 2087 ngx_pool_t *pool; |
| 2088 | |
| 1136 | 2089 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, c->log, 0, |
| 2090 "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
|
2091 |
| 1136 | 2092 #if (NGX_MAIL_SSL) |
| 539 | 2093 |
| 2094 if (c->ssl) { | |
| 2095 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 1136 | 2096 c->ssl->handler = ngx_mail_close_connection; |
| 539 | 2097 return; |
| 2098 } | |
| 2099 } | |
| 2100 | |
| 2101 #endif | |
| 2102 | |
|
1472
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
2103 #if (NGX_STAT_STUB) |
|
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
2104 ngx_atomic_fetch_add(ngx_stat_active, -1); |
|
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
2105 #endif |
|
32450a2bbdf4
decrement active connection counter in mail proxy
Igor Sysoev <igor@sysoev.ru>
parents:
1323
diff
changeset
|
2106 |
| 583 | 2107 c->destroyed = 1; |
| 543 | 2108 |
| 479 | 2109 pool = c->pool; |
| 2110 | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
2111 ngx_close_connection(c); |
| 479 | 2112 |
| 501 | 2113 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
|
2114 } |
| 539 | 2115 |
| 2116 | |
| 541 | 2117 static u_char * |
| 1136 | 2118 ngx_mail_log_error(ngx_log_t *log, u_char *buf, size_t len) |
| 541 | 2119 { |
| 567 | 2120 u_char *p; |
| 1136 | 2121 ngx_mail_session_t *s; |
| 2122 ngx_mail_log_ctx_t *ctx; | |
| 541 | 2123 |
| 2124 if (log->action) { | |
| 2125 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 2126 len -= p - buf; | |
| 2127 buf = p; | |
| 2128 } | |
| 577 | 2129 |
| 541 | 2130 ctx = log->data; |
| 2131 | |
| 2132 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 2133 len -= p - buf; | |
| 2134 buf = p; | |
| 2135 | |
| 2136 s = ctx->session; | |
| 2137 | |
| 2138 if (s == NULL) { | |
| 2139 return p; | |
| 2140 } | |
| 2141 | |
| 641 | 2142 p = ngx_snprintf(buf, len, ", server: %V", s->addr_text); |
| 541 | 2143 len -= p - buf; |
| 2144 buf = p; | |
| 2145 | |
| 2146 if (s->login.len == 0) { | |
| 2147 return p; | |
| 2148 } | |
| 2149 | |
| 2150 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 2151 len -= p - buf; | |
| 2152 buf = p; | |
| 2153 | |
| 2154 if (s->proxy == NULL) { | |
| 2155 return p; | |
| 2156 } | |
| 2157 | |
| 884 | 2158 p = ngx_snprintf(buf, len, ", upstream: %V", s->proxy->upstream.name); |
| 541 | 2159 |
| 2160 return p; | |
| 2161 } |