Mercurial > hg > nginx
annotate src/imap/ngx_imap_handler.c @ 800:887d8dec72dc
APOP
| author | Igor Sysoev <igor@sysoev.ru> |
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| date | Mon, 23 Oct 2006 13:10:10 +0000 |
| parents | 5e8fb59c18c1 |
| children | da9c1521319d |
| rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 #include <ngx_imap.h> |
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12 |
| 547 | 13 static void ngx_imap_init_session(ngx_connection_t *c); |
| 541 | 14 static void ngx_imap_init_protocol(ngx_event_t *rev); |
| 527 | 15 static ngx_int_t ngx_imap_read_command(ngx_imap_session_t *s); |
| 541 | 16 static u_char *ngx_imap_log_error(ngx_log_t *log, u_char *buf, size_t len); |
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17 |
| 539 | 18 #if (NGX_IMAP_SSL) |
| 583 | 19 static void ngx_imap_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c); |
| 547 | 20 static void ngx_imap_ssl_handshake_handler(ngx_connection_t *c); |
| 539 | 21 #endif |
| 22 | |
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23 |
| 521 | 24 static ngx_str_t greetings[] = { |
| 527 | 25 ngx_string("+OK POP3 ready" CRLF), |
| 529 | 26 ngx_string("* OK IMAP4 ready" CRLF) |
| 521 | 27 }; |
| 28 | |
| 525 | 29 static ngx_str_t internal_server_errors[] = { |
| 30 ngx_string("-ERR internal server error" CRLF), | |
| 31 ngx_string("* BAD internal server error" CRLF), | |
| 32 }; | |
| 33 | |
| 521 | 34 static u_char pop3_ok[] = "+OK" CRLF; |
| 35 static u_char pop3_invalid_command[] = "-ERR invalid command" CRLF; | |
| 36 | |
| 543 | 37 static u_char imap_star[] = "* "; |
| 529 | 38 static u_char imap_ok[] = "OK completed" CRLF; |
| 527 | 39 static u_char imap_next[] = "+ OK" CRLF; |
| 40 static u_char imap_bye[] = "* BYE" CRLF; | |
| 41 static u_char imap_invalid_command[] = "BAD invalid command" CRLF; | |
| 42 | |
| 521 | 43 |
| 44 void | |
| 45 ngx_imap_init_connection(ngx_connection_t *c) | |
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46 { |
| 641 | 47 in_addr_t in_addr; |
| 48 socklen_t len; | |
| 49 ngx_uint_t i; | |
| 50 struct sockaddr_in sin; | |
| 51 ngx_imap_log_ctx_t *ctx; | |
| 52 ngx_imap_in_port_t *imip; | |
| 53 ngx_imap_in_addr_t *imia; | |
| 54 ngx_imap_session_t *s; | |
| 543 | 55 #if (NGX_IMAP_SSL) |
| 583 | 56 ngx_imap_ssl_conf_t *sslcf; |
| 543 | 57 #endif |
| 541 | 58 |
| 641 | 59 |
| 60 /* find the server configuration for the address:port */ | |
| 61 | |
| 62 /* AF_INET only */ | |
| 63 | |
| 64 imip = c->listening->servers; | |
| 65 imia = imip->addrs; | |
| 66 | |
| 67 i = 0; | |
| 68 | |
| 69 if (imip->naddrs > 1) { | |
| 70 | |
| 71 /* | |
| 72 * There are several addresses on this port and one of them | |
| 73 * is the "*:port" wildcard so getsockname() is needed to determine | |
| 74 * the server address. | |
| 75 * | |
| 76 * AcceptEx() already gave this address. | |
| 77 */ | |
| 78 | |
| 79 #if (NGX_WIN32) | |
| 80 if (c->local_sockaddr) { | |
| 81 in_addr = | |
| 82 ((struct sockaddr_in *) c->local_sockaddr)->sin_addr.s_addr; | |
| 541 | 83 |
| 641 | 84 } else |
| 85 #endif | |
| 86 { | |
| 87 len = sizeof(struct sockaddr_in); | |
| 88 if (getsockname(c->fd, (struct sockaddr *) &sin, &len) == -1) { | |
| 89 ngx_connection_error(c, ngx_socket_errno, | |
| 90 "getsockname() failed"); | |
| 91 ngx_imap_close_connection(c); | |
| 92 return; | |
| 93 } | |
| 94 | |
| 95 in_addr = sin.sin_addr.s_addr; | |
| 96 } | |
| 97 | |
| 98 /* the last address is "*" */ | |
| 99 | |
| 100 for ( /* void */ ; i < imip->naddrs - 1; i++) { | |
| 101 if (in_addr == imia[i].addr) { | |
| 102 break; | |
| 103 } | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 | |
| 108 s = ngx_pcalloc(c->pool, sizeof(ngx_imap_session_t)); | |
| 109 if (s == NULL) { | |
| 541 | 110 ngx_imap_close_connection(c); |
| 111 return; | |
| 577 | 112 } |
| 541 | 113 |
| 641 | 114 s->main_conf = imia[i].ctx->main_conf; |
| 115 s->srv_conf = imia[i].ctx->srv_conf; | |
| 116 | |
| 117 s->addr_text = &imia[i].addr_text; | |
| 118 | |
| 119 c->data = s; | |
| 120 s->connection = c; | |
| 121 | |
| 122 ngx_log_error(NGX_LOG_INFO, c->log, 0, "*%ui client %V connected to %V", | |
| 123 c->number, &c->addr_text, s->addr_text); | |
| 124 | |
| 125 ctx = ngx_palloc(c->pool, sizeof(ngx_imap_log_ctx_t)); | |
| 126 if (ctx == NULL) { | |
| 127 ngx_imap_close_connection(c); | |
| 128 return; | |
| 129 } | |
| 130 | |
| 131 ctx->client = &c->addr_text; | |
| 132 ctx->session = s; | |
| 541 | 133 |
| 134 c->log->connection = c->number; | |
| 135 c->log->handler = ngx_imap_log_error; | |
| 641 | 136 c->log->data = ctx; |
| 541 | 137 c->log->action = "sending client greeting line"; |
| 138 | |
| 139 c->log_error = NGX_ERROR_INFO; | |
| 140 | |
| 543 | 141 #if (NGX_IMAP_SSL) |
| 142 | |
| 641 | 143 sslcf = ngx_imap_get_module_srv_conf(s, ngx_imap_ssl_module); |
| 543 | 144 |
| 145 if (sslcf->enable) { | |
| 583 | 146 ngx_imap_ssl_init_connection(&sslcf->ssl, c); |
| 547 | 147 return; |
| 543 | 148 } |
| 149 | |
| 150 #endif | |
| 151 | |
| 547 | 152 ngx_imap_init_session(c); |
| 541 | 153 } |
| 154 | |
| 155 | |
| 547 | 156 #if (NGX_IMAP_SSL) |
| 157 | |
| 541 | 158 static void |
| 583 | 159 ngx_imap_starttls_handler(ngx_event_t *rev) |
| 160 { | |
| 161 ngx_connection_t *c; | |
| 162 ngx_imap_session_t *s; | |
| 163 ngx_imap_ssl_conf_t *sslcf; | |
| 164 | |
| 165 c = rev->data; | |
| 166 s = c->data; | |
| 641 | 167 s->starttls = 1; |
| 583 | 168 |
| 169 c->log->action = "in starttls state"; | |
| 170 | |
| 171 sslcf = ngx_imap_get_module_srv_conf(s, ngx_imap_ssl_module); | |
| 172 | |
| 173 ngx_imap_ssl_init_connection(&sslcf->ssl, c); | |
| 174 } | |
| 175 | |
| 176 | |
| 177 static void | |
| 178 ngx_imap_ssl_init_connection(ngx_ssl_t *ssl, ngx_connection_t *c) | |
| 179 { | |
| 641 | 180 ngx_imap_session_t *s; |
| 583 | 181 ngx_imap_core_srv_conf_t *cscf; |
| 182 | |
| 183 if (ngx_ssl_create_connection(ssl, c, 0) == NGX_ERROR) { | |
| 184 ngx_imap_close_connection(c); | |
| 185 return; | |
| 186 } | |
| 187 | |
| 188 if (ngx_ssl_handshake(c) == NGX_AGAIN) { | |
| 189 | |
| 641 | 190 s = c->data; |
| 191 | |
| 192 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); | |
| 583 | 193 |
| 194 ngx_add_timer(c->read, cscf->timeout); | |
| 195 | |
| 196 c->ssl->handler = ngx_imap_ssl_handshake_handler; | |
| 197 | |
| 198 return; | |
| 199 } | |
| 200 | |
| 201 ngx_imap_ssl_handshake_handler(c); | |
| 202 } | |
| 203 | |
| 204 | |
| 205 static void | |
| 547 | 206 ngx_imap_ssl_handshake_handler(ngx_connection_t *c) |
| 577 | 207 { |
| 641 | 208 ngx_imap_session_t *s; |
| 209 | |
| 547 | 210 if (c->ssl->handshaked) { |
| 583 | 211 |
| 641 | 212 s = c->data; |
| 213 | |
| 214 if (s->starttls) { | |
| 583 | 215 c->read->handler = ngx_imap_init_protocol; |
| 216 c->write->handler = ngx_imap_send; | |
| 217 | |
| 218 ngx_imap_init_protocol(c->read); | |
| 219 | |
| 220 return; | |
| 221 } | |
| 222 | |
| 547 | 223 ngx_imap_init_session(c); |
| 224 return; | |
| 225 } | |
| 226 | |
| 227 ngx_imap_close_connection(c); | |
| 228 } | |
| 229 | |
| 230 #endif | |
| 231 | |
| 232 | |
| 233 static void | |
| 234 ngx_imap_init_session(ngx_connection_t *c) | |
| 541 | 235 { |
| 800 | 236 u_char *p; |
| 539 | 237 ngx_imap_session_t *s; |
| 541 | 238 ngx_imap_core_srv_conf_t *cscf; |
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239 |
| 547 | 240 c->read->handler = ngx_imap_init_protocol; |
| 241 c->write->handler = ngx_imap_send; | |
| 539 | 242 |
| 641 | 243 s = c->data; |
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244 |
| 641 | 245 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); |
| 539 | 246 |
| 247 s->protocol = cscf->protocol; | |
| 248 | |
| 249 s->ctx = ngx_pcalloc(c->pool, sizeof(void *) * ngx_imap_max_module); | |
| 250 if (s->ctx == NULL) { | |
| 251 ngx_imap_session_internal_server_error(s); | |
| 252 return; | |
| 253 } | |
| 254 | |
| 255 s->out = greetings[s->protocol]; | |
| 256 | |
| 800 | 257 if ((cscf->auth_methods & NGX_IMAP_AUTH_APOP_ENABLED) |
| 258 && s->protocol == NGX_IMAP_POP3_PROTOCOL) | |
| 259 { | |
| 260 s->salt.data = ngx_palloc(c->pool, | |
| 261 sizeof(" <18446744073709551616.@>" CRLF) - 1 | |
| 262 + NGX_TIME_T_LEN | |
| 263 + cscf->server_name.len); | |
| 264 if (s->salt.data == NULL) { | |
| 265 ngx_imap_session_internal_server_error(s); | |
| 266 return; | |
| 267 } | |
| 268 | |
| 269 s->salt.len = ngx_sprintf(s->salt.data, "<%ul.%T@%V>" CRLF, | |
| 270 ngx_random(), ngx_time(), &cscf->server_name) | |
| 271 - s->salt.data; | |
| 272 | |
| 273 s->out.data = ngx_palloc(c->pool, greetings[0].len + 1 + s->salt.len); | |
| 274 if (s->out.data == NULL) { | |
| 275 ngx_imap_session_internal_server_error(s); | |
| 276 return; | |
| 277 } | |
| 278 | |
| 279 p = ngx_cpymem(s->out.data, greetings[0].data, greetings[0].len - 2); | |
| 280 *p++ = ' '; | |
| 281 p = ngx_cpymem(p, s->salt.data, s->salt.len); | |
| 282 | |
| 283 s->out.len = p - s->out.data; | |
| 284 } | |
| 285 | |
| 547 | 286 ngx_add_timer(c->read, cscf->timeout); |
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287 |
| 547 | 288 if (ngx_handle_read_event(c->read, 0) == NGX_ERROR) { |
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289 ngx_imap_close_connection(c); |
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290 } |
| 539 | 291 |
| 292 ngx_imap_send(c->write); | |
| 293 } | |
| 294 | |
| 295 | |
| 296 void | |
| 297 ngx_imap_send(ngx_event_t *wev) | |
| 298 { | |
| 541 | 299 ngx_int_t n; |
| 300 ngx_connection_t *c; | |
| 301 ngx_imap_session_t *s; | |
| 302 ngx_imap_core_srv_conf_t *cscf; | |
| 539 | 303 |
| 304 c = wev->data; | |
| 305 s = c->data; | |
| 306 | |
| 307 if (wev->timedout) { | |
| 308 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 309 c->timedout = 1; |
| 539 | 310 ngx_imap_close_connection(c); |
| 311 return; | |
| 312 } | |
| 313 | |
| 314 if (s->out.len == 0) { | |
| 315 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { | |
| 316 ngx_imap_close_connection(c); | |
| 317 } | |
| 318 | |
| 319 return; | |
| 320 } | |
| 321 | |
| 322 n = c->send(c, s->out.data, s->out.len); | |
| 323 | |
| 324 if (n > 0) { | |
| 325 s->out.len -= n; | |
| 326 | |
| 541 | 327 if (wev->timer_set) { |
| 328 ngx_del_timer(wev); | |
| 329 } | |
| 330 | |
| 539 | 331 if (s->quit) { |
| 332 ngx_imap_close_connection(c); | |
| 333 return; | |
| 334 } | |
| 335 | |
| 336 if (s->blocked) { | |
| 337 c->read->handler(c->read); | |
| 338 } | |
| 339 | |
| 340 return; | |
| 341 } | |
| 342 | |
| 343 if (n == NGX_ERROR) { | |
| 344 ngx_imap_close_connection(c); | |
| 345 return; | |
| 346 } | |
| 347 | |
| 348 /* n == NGX_AGAIN */ | |
| 349 | |
| 541 | 350 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); |
| 351 | |
| 352 ngx_add_timer(c->write, cscf->timeout); | |
| 353 | |
| 539 | 354 if (ngx_handle_write_event(c->write, 0) == NGX_ERROR) { |
| 355 ngx_imap_close_connection(c); | |
| 356 return; | |
| 357 } | |
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358 } |
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359 |
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360 |
| 521 | 361 static void |
| 541 | 362 ngx_imap_init_protocol(ngx_event_t *rev) |
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363 { |
| 521 | 364 size_t size; |
| 365 ngx_connection_t *c; | |
| 366 ngx_imap_session_t *s; | |
| 367 ngx_imap_core_srv_conf_t *cscf; | |
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368 |
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369 c = rev->data; |
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370 |
| 541 | 371 c->log->action = "in auth state"; |
| 372 | |
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373 if (rev->timedout) { |
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374 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
| 577 | 375 c->timedout = 1; |
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376 ngx_imap_close_connection(c); |
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377 return; |
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378 } |
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379 |
| 539 | 380 s = c->data; |
| 521 | 381 |
| 539 | 382 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
| 521 | 383 size = 128; |
| 527 | 384 s->imap_state = ngx_pop3_start; |
| 521 | 385 c->read->handler = ngx_pop3_auth_state; |
| 386 | |
| 387 } else { | |
| 539 | 388 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); |
| 521 | 389 size = cscf->imap_client_buffer_size; |
| 527 | 390 s->imap_state = ngx_imap_start; |
| 521 | 391 c->read->handler = ngx_imap_auth_state; |
| 392 } | |
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393 |
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394 if (s->buffer == NULL) { |
| 583 | 395 if (ngx_array_init(&s->args, c->pool, 2, sizeof(ngx_str_t)) |
| 396 == NGX_ERROR) | |
| 397 { | |
| 398 ngx_imap_session_internal_server_error(s); | |
| 399 return; | |
| 400 } | |
| 401 | |
| 402 s->buffer = ngx_create_temp_buf(c->pool, size); | |
| 403 if (s->buffer == NULL) { | |
| 404 ngx_imap_session_internal_server_error(s); | |
| 405 return; | |
| 406 } | |
|
419
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
407 } |
|
47709bff4468
nginx-0.0.10-2004-09-09-19:40:48 import
Igor Sysoev <igor@sysoev.ru>
parents:
418
diff
changeset
|
408 |
| 521 | 409 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
|
410 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
411 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
412 |
| 527 | 413 void |
| 521 | 414 ngx_imap_auth_state(ngx_event_t *rev) |
| 415 { | |
| 543 | 416 u_char *text, *last, *p, *dst, *src, *end; |
| 539 | 417 ssize_t text_len, last_len; |
| 527 | 418 ngx_str_t *arg; |
| 419 ngx_int_t rc; | |
| 543 | 420 ngx_uint_t tag, i; |
| 527 | 421 ngx_connection_t *c; |
| 422 ngx_imap_session_t *s; | |
| 423 ngx_imap_core_srv_conf_t *cscf; | |
| 583 | 424 #if (NGX_IMAP_SSL) |
| 425 ngx_imap_ssl_conf_t *sslcf; | |
| 426 #endif | |
| 521 | 427 |
| 428 c = rev->data; | |
| 527 | 429 s = c->data; |
| 521 | 430 |
| 527 | 431 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0, "imap auth state"); |
| 432 | |
| 433 if (rev->timedout) { | |
| 434 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); | |
| 577 | 435 c->timedout = 1; |
| 527 | 436 ngx_imap_close_connection(c); |
| 437 return; | |
| 438 } | |
| 439 | |
| 539 | 440 if (s->out.len) { |
| 441 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0, "imap send handler busy"); | |
| 442 s->blocked = 1; | |
| 443 return; | |
| 444 } | |
| 445 | |
| 446 s->blocked = 0; | |
| 447 | |
| 527 | 448 rc = ngx_imap_read_command(s); |
| 449 | |
| 450 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0, "imap auth: %i", rc); | |
| 451 | |
| 452 if (rc == NGX_AGAIN || rc == NGX_ERROR) { | |
| 453 return; | |
| 454 } | |
| 455 | |
| 456 tag = 1; | |
| 457 | |
| 458 text = NULL; | |
| 459 text_len = 0; | |
| 460 | |
| 461 last = imap_ok; | |
| 462 last_len = sizeof(imap_ok) - 1; | |
| 463 | |
| 464 if (rc == NGX_OK) { | |
| 465 | |
| 466 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0, "imap auth command: %i", | |
| 467 s->command); | |
| 468 | |
| 543 | 469 if (s->backslash) { |
| 470 | |
| 471 arg = s->args.elts; | |
| 472 | |
| 473 for (i = 0; i < s->args.nelts; i++) { | |
| 474 dst = arg[i].data; | |
| 475 end = dst + arg[i].len; | |
| 476 | |
| 477 for (src = dst; src < end; dst++) { | |
| 478 *dst = *src; | |
| 479 if (*src++ == '\\') { | |
| 480 *dst = *src++; | |
| 481 } | |
| 482 } | |
| 483 | |
| 484 arg[i].len = dst - arg[i].data; | |
| 485 } | |
| 486 | |
| 487 s->backslash = 0; | |
| 488 } | |
| 489 | |
| 527 | 490 switch (s->command) { |
| 491 | |
| 492 case NGX_IMAP_LOGIN: | |
| 583 | 493 |
| 494 #if (NGX_IMAP_SSL) | |
| 495 | |
| 496 if (c->ssl == NULL) { | |
| 497 sslcf = ngx_imap_get_module_srv_conf(s, ngx_imap_ssl_module); | |
| 498 | |
| 499 if (sslcf->starttls == NGX_IMAP_STARTTLS_ONLY) { | |
| 500 rc = NGX_IMAP_PARSE_INVALID_COMMAND; | |
| 501 break; | |
| 502 } | |
| 503 } | |
| 504 #endif | |
| 505 | |
| 569 | 506 arg = s->args.elts; |
| 527 | 507 |
| 569 | 508 if (s->args.nelts == 2 && arg[0].len) { |
| 527 | 509 |
| 510 s->login.len = arg[0].len; | |
| 511 s->login.data = ngx_palloc(c->pool, s->login.len); | |
| 512 if (s->login.data == NULL) { | |
| 513 ngx_imap_session_internal_server_error(s); | |
| 514 return; | |
| 515 } | |
| 516 | |
| 517 ngx_memcpy(s->login.data, arg[0].data, s->login.len); | |
| 518 | |
| 519 s->passwd.len = arg[1].len; | |
| 520 s->passwd.data = ngx_palloc(c->pool, s->passwd.len); | |
| 521 if (s->passwd.data == NULL) { | |
| 522 ngx_imap_session_internal_server_error(s); | |
| 523 return; | |
| 524 } | |
| 525 | |
| 526 ngx_memcpy(s->passwd.data, arg[1].data, s->passwd.len); | |
| 527 | |
| 547 | 528 #if (NGX_DEBUG_IMAP_PASSWD) |
| 527 | 529 ngx_log_debug2(NGX_LOG_DEBUG_IMAP, c->log, 0, |
| 530 "imap login:\"%V\" passwd:\"%V\"", | |
| 531 &s->login, &s->passwd); | |
| 547 | 532 #else |
| 533 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0, | |
| 534 "imap login:\"%V\"", &s->login); | |
| 535 #endif | |
| 527 | 536 |
| 537 s->args.nelts = 0; | |
| 538 s->buffer->pos = s->buffer->start; | |
| 539 s->buffer->last = s->buffer->start; | |
| 540 | |
| 541 if (rev->timer_set) { | |
| 542 ngx_del_timer(rev); | |
| 543 } | |
| 544 | |
| 545 s->login_attempt++; | |
| 546 | |
| 547 ngx_imap_auth_http_init(s); | |
| 548 | |
| 549 return; | |
| 550 | |
| 551 } else { | |
| 552 rc = NGX_IMAP_PARSE_INVALID_COMMAND; | |
| 553 } | |
| 554 | |
| 555 break; | |
| 556 | |
| 557 case NGX_IMAP_CAPABILITY: | |
| 558 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); | |
| 583 | 559 |
| 560 #if (NGX_IMAP_SSL) | |
| 561 | |
| 562 if (c->ssl == NULL) { | |
| 563 sslcf = ngx_imap_get_module_srv_conf(s, ngx_imap_ssl_module); | |
| 564 | |
| 565 if (sslcf->starttls == NGX_IMAP_STARTTLS_ON) { | |
| 566 text_len = cscf->imap_starttls_capability.len; | |
| 567 text = cscf->imap_starttls_capability.data; | |
| 568 break; | |
| 569 } | |
| 570 | |
| 571 if (sslcf->starttls == NGX_IMAP_STARTTLS_ONLY) { | |
| 572 text_len = cscf->imap_starttls_only_capability.len; | |
| 573 text = cscf->imap_starttls_only_capability.data; | |
| 574 break; | |
| 575 } | |
| 576 } | |
| 577 #endif | |
| 578 | |
| 579 text_len = cscf->imap_capability.len; | |
| 580 text = cscf->imap_capability.data; | |
| 527 | 581 break; |
| 582 | |
| 583 case NGX_IMAP_LOGOUT: | |
| 539 | 584 s->quit = 1; |
| 527 | 585 text = imap_bye; |
| 586 text_len = sizeof(imap_bye) - 1; | |
| 587 break; | |
| 588 | |
| 589 case NGX_IMAP_NOOP: | |
| 590 break; | |
| 591 | |
| 583 | 592 #if (NGX_IMAP_SSL) |
| 593 | |
| 594 case NGX_IMAP_STARTTLS: | |
| 595 if (c->ssl == NULL) { | |
| 596 sslcf = ngx_imap_get_module_srv_conf(s, ngx_imap_ssl_module); | |
| 597 if (sslcf->starttls) { | |
| 598 c->read->handler = ngx_imap_starttls_handler; | |
| 599 break; | |
| 600 } | |
| 601 } | |
| 602 | |
| 603 rc = NGX_IMAP_PARSE_INVALID_COMMAND; | |
| 604 break; | |
| 605 #endif | |
| 606 | |
| 527 | 607 default: |
| 608 rc = NGX_IMAP_PARSE_INVALID_COMMAND; | |
| 609 break; | |
| 610 } | |
| 611 | |
| 612 } else if (rc == NGX_IMAP_NEXT) { | |
| 613 last = imap_next; | |
| 614 last_len = sizeof(imap_next) - 1; | |
| 615 tag = 0; | |
| 616 } | |
| 617 | |
| 618 if (rc == NGX_IMAP_PARSE_INVALID_COMMAND) { | |
| 619 last = imap_invalid_command; | |
| 620 last_len = sizeof(imap_invalid_command) - 1; | |
| 621 } | |
| 622 | |
| 623 if (tag) { | |
| 543 | 624 if (s->tag.len == 0) { |
| 625 s->tag.len = sizeof(imap_star) - 1; | |
| 626 s->tag.data = (u_char *) imap_star; | |
| 627 } | |
| 628 | |
| 539 | 629 if (s->tagged_line.len < s->tag.len + text_len + last_len) { |
| 630 s->tagged_line.len = s->tag.len + text_len + last_len; | |
| 631 s->tagged_line.data = ngx_palloc(c->pool, s->tagged_line.len); | |
| 632 if (s->tagged_line.data == NULL) { | |
| 527 | 633 ngx_imap_close_connection(c); |
| 634 return; | |
| 635 } | |
| 636 } | |
| 637 | |
| 539 | 638 s->out.data = s->tagged_line.data; |
| 639 s->out.len = s->tag.len + text_len + last_len; | |
| 640 | |
| 641 p = s->out.data; | |
| 527 | 642 |
| 643 if (text) { | |
| 644 p = ngx_cpymem(p, text, text_len); | |
| 645 } | |
| 646 p = ngx_cpymem(p, s->tag.data, s->tag.len); | |
| 647 ngx_memcpy(p, last, last_len); | |
| 648 | |
| 649 | |
| 650 } else { | |
| 539 | 651 s->out.data = last; |
| 652 s->out.len = last_len; | |
| 527 | 653 } |
| 654 | |
| 539 | 655 if (rc != NGX_IMAP_NEXT) { |
| 656 s->args.nelts = 0; | |
| 657 s->buffer->pos = s->buffer->start; | |
| 658 s->buffer->last = s->buffer->start; | |
| 659 s->tag.len = 0; | |
| 527 | 660 } |
| 661 | |
| 539 | 662 ngx_imap_send(c->write); |
| 521 | 663 } |
| 664 | |
| 665 | |
| 527 | 666 void |
| 521 | 667 ngx_pop3_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
|
668 { |
| 527 | 669 u_char *text; |
| 670 ssize_t size; | |
| 671 ngx_int_t rc; | |
| 672 ngx_str_t *arg; | |
| 673 ngx_connection_t *c; | |
| 674 ngx_imap_session_t *s; | |
| 675 ngx_imap_core_srv_conf_t *cscf; | |
| 583 | 676 #if (NGX_IMAP_SSL) |
| 677 ngx_imap_ssl_conf_t *sslcf; | |
| 678 #endif | |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
679 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
680 c = rev->data; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
681 s = c->data; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
682 |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
683 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0, "pop3 auth state"); |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
684 |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
685 if (rev->timedout) { |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
686 ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT, "client timed out"); |
| 577 | 687 c->timedout = 1; |
|
423
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
688 ngx_imap_close_connection(c); |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
689 return; |
|
fda5987b188d
nginx-0.0.10-2004-09-13-20:18:09 import
Igor Sysoev <igor@sysoev.ru>
parents:
422
diff
changeset
|
690 } |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
691 |
| 539 | 692 if (s->out.len) { |
| 693 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, c->log, 0, "imap send handler busy"); | |
| 694 s->blocked = 1; | |
| 695 return; | |
| 696 } | |
| 697 | |
| 698 s->blocked = 0; | |
| 699 | |
| 527 | 700 rc = ngx_imap_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
|
701 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
702 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
|
703 return; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
704 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
705 |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
706 text = pop3_ok; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
707 size = sizeof(pop3_ok) - 1; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
708 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
709 if (rc == NGX_OK) { |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
710 switch (s->imap_state) { |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
711 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
712 case ngx_pop3_start: |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
713 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
714 switch (s->command) { |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
715 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
716 case NGX_POP3_USER: |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
717 if (s->args.nelts == 1) { |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
718 s->imap_state = ngx_pop3_user; |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
719 |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
720 arg = s->args.elts; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
721 s->login.len = arg[0].len; |
| 527 | 722 s->login.data = ngx_palloc(c->pool, s->login.len); |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
723 if (s->login.data == NULL) { |
| 527 | 724 ngx_imap_session_internal_server_error(s); |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
725 return; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
726 } |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
727 |
| 527 | 728 ngx_memcpy(s->login.data, arg[0].data, s->login.len); |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
729 |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
730 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0, |
| 527 | 731 "pop3 login: \"%V\"", &s->login); |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
732 |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
733 } else { |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
734 rc = NGX_IMAP_PARSE_INVALID_COMMAND; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
735 } |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
736 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
737 break; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
738 |
| 527 | 739 case NGX_POP3_CAPA: |
| 740 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); | |
| 583 | 741 |
| 742 #if (NGX_IMAP_SSL) | |
| 743 | |
| 744 if (c->ssl == NULL) { | |
| 745 sslcf = ngx_imap_get_module_srv_conf(s, | |
| 746 ngx_imap_ssl_module); | |
| 747 if (sslcf->starttls) { | |
| 748 size = cscf->pop3_starttls_capability.len; | |
| 749 text = cscf->pop3_starttls_capability.data; | |
| 750 break; | |
| 751 } | |
| 752 } | |
| 753 #endif | |
| 754 | |
| 755 size = cscf->pop3_capability.len; | |
| 756 text = cscf->pop3_capability.data; | |
| 527 | 757 break; |
| 758 | |
| 800 | 759 case NGX_POP3_APOP: |
| 760 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); | |
| 761 | |
| 762 if ((cscf->auth_methods & NGX_IMAP_AUTH_APOP_ENABLED) | |
| 763 && s->args.nelts == 2) | |
| 764 { | |
| 765 arg = s->args.elts; | |
| 766 | |
| 767 s->login.len = arg[0].len; | |
| 768 s->login.data = ngx_palloc(c->pool, s->login.len); | |
| 769 if (s->login.data == NULL) { | |
| 770 ngx_imap_session_internal_server_error(s); | |
| 771 return; | |
| 772 } | |
| 773 | |
| 774 ngx_memcpy(s->login.data, arg[0].data, s->login.len); | |
| 775 | |
| 776 s->passwd.len = arg[1].len; | |
| 777 s->passwd.data = ngx_palloc(c->pool, s->passwd.len); | |
| 778 if (s->passwd.data == NULL) { | |
| 779 ngx_imap_session_internal_server_error(s); | |
| 780 return; | |
| 781 } | |
| 782 | |
| 783 ngx_memcpy(s->passwd.data, arg[1].data, s->passwd.len); | |
| 784 | |
| 785 ngx_log_debug2(NGX_LOG_DEBUG_IMAP, c->log, 0, | |
| 786 "pop3 apop: \"%V\" \"%V\"", | |
| 787 &s->login, &s->passwd); | |
| 788 | |
| 789 s->auth_method = NGX_IMAP_AUTH_APOP; | |
| 790 | |
| 791 s->args.nelts = 0; | |
| 792 s->buffer->pos = s->buffer->start; | |
| 793 s->buffer->last = s->buffer->start; | |
| 794 | |
| 795 if (rev->timer_set) { | |
| 796 ngx_del_timer(rev); | |
| 797 } | |
| 798 | |
| 799 ngx_imap_auth_http_init(s); | |
| 800 | |
| 801 return; | |
| 802 | |
| 803 } else { | |
| 804 rc = NGX_IMAP_PARSE_INVALID_COMMAND; | |
| 805 } | |
| 806 | |
| 807 break; | |
| 808 | |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
809 case NGX_POP3_QUIT: |
| 539 | 810 s->quit = 1; |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
811 break; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
812 |
| 527 | 813 case NGX_POP3_NOOP: |
| 814 break; | |
| 815 | |
| 583 | 816 #if (NGX_IMAP_SSL) |
| 817 | |
| 818 case NGX_POP3_STLS: | |
| 819 if (c->ssl == NULL) { | |
| 820 sslcf = ngx_imap_get_module_srv_conf(s, | |
| 821 ngx_imap_ssl_module); | |
| 822 if (sslcf->starttls) { | |
| 823 c->read->handler = ngx_imap_starttls_handler; | |
| 824 break; | |
| 825 } | |
| 826 } | |
| 827 | |
| 828 rc = NGX_IMAP_PARSE_INVALID_COMMAND; | |
| 829 break; | |
| 830 #endif | |
| 831 | |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
832 default: |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
833 s->imap_state = ngx_pop3_start; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
834 rc = NGX_IMAP_PARSE_INVALID_COMMAND; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
835 break; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
836 } |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
837 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
838 break; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
839 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
840 case ngx_pop3_user: |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
841 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
842 switch (s->command) { |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
843 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
844 case NGX_POP3_PASS: |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
845 if (s->args.nelts == 1) { |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
846 arg = s->args.elts; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
847 s->passwd.len = arg[0].len; |
| 527 | 848 s->passwd.data = ngx_palloc(c->pool, s->passwd.len); |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
849 if (s->passwd.data == NULL) { |
| 527 | 850 ngx_imap_session_internal_server_error(s); |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
851 return; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
852 } |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
853 |
| 527 | 854 ngx_memcpy(s->passwd.data, arg[0].data, s->passwd.len); |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
855 |
| 547 | 856 #if (NGX_DEBUG_IMAP_PASSWD) |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
857 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0, |
| 527 | 858 "pop3 passwd: \"%V\"", &s->passwd); |
| 547 | 859 #endif |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
860 |
| 527 | 861 s->args.nelts = 0; |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
862 s->buffer->pos = s->buffer->start; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
863 s->buffer->last = s->buffer->start; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
864 |
| 527 | 865 if (rev->timer_set) { |
| 866 ngx_del_timer(rev); | |
| 867 } | |
| 868 | |
| 521 | 869 ngx_imap_auth_http_init(s); |
|
422
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
870 |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
871 return; |
|
edaefb2a20fc
nginx-0.0.10-2004-09-12-00:22:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
421
diff
changeset
|
872 |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
873 } else { |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
874 rc = NGX_IMAP_PARSE_INVALID_COMMAND; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
875 } |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
876 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
877 break; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
878 |
| 527 | 879 case NGX_POP3_CAPA: |
| 880 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); | |
| 583 | 881 size = cscf->pop3_capability.len; |
| 882 text = cscf->pop3_capability.data; | |
| 527 | 883 break; |
| 884 | |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
885 case NGX_POP3_QUIT: |
| 539 | 886 s->quit = 1; |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
887 break; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
888 |
| 527 | 889 case NGX_POP3_NOOP: |
| 890 break; | |
| 891 | |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
892 default: |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
893 s->imap_state = ngx_pop3_start; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
894 rc = NGX_IMAP_PARSE_INVALID_COMMAND; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
895 break; |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
896 } |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
897 |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
898 break; |
| 527 | 899 |
| 900 /* suppress warinings */ | |
| 901 case ngx_pop3_passwd: | |
| 902 break; | |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
903 } |
|
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
904 } |
|
420
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
905 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
906 if (rc == NGX_IMAP_PARSE_INVALID_COMMAND) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
907 text = pop3_invalid_command; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
908 size = sizeof(pop3_invalid_command) - 1; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
909 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
910 |
|
421
01456a419cf9
nginx-0.0.10-2004-09-10-18:32:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
420
diff
changeset
|
911 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
|
912 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
|
913 s->buffer->last = s->buffer->start; |
| 539 | 914 |
| 915 s->out.data = text; | |
| 916 s->out.len = size; | |
| 917 | |
| 918 ngx_imap_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
|
919 } |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
920 |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
921 |
| 521 | 922 static ngx_int_t |
| 527 | 923 ngx_imap_read_command(ngx_imap_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
|
924 { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
925 ssize_t n; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
926 ngx_int_t rc; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
927 |
| 539 | 928 n = s->connection->recv(s->connection, s->buffer->last, |
| 929 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
|
930 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
931 if (n == NGX_ERROR || n == 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
932 ngx_imap_close_connection(s->connection); |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
933 return NGX_ERROR; |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
934 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
935 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
936 if (n > 0) { |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
937 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
|
938 } |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
939 |
|
33a8253115b4
nginx-0.0.10-2004-09-09-22:55:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
940 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
|
941 if (ngx_handle_read_event(s->connection->read, 0) == NGX_ERROR) { |
| 527 | 942 ngx_imap_session_internal_server_error(s); |
|
420
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|
943 return NGX_ERROR; |
|
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|
944 } |
|
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|
945 |
|
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946 return NGX_AGAIN; |
|
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947 } |
|
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948 |
| 527 | 949 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
| 950 rc = ngx_pop3_parse_command(s); | |
| 951 } else { | |
| 952 rc = ngx_imap_parse_command(s); | |
| 953 } | |
|
420
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954 |
| 527 | 955 if (rc == NGX_AGAIN |
| 956 || rc == NGX_IMAP_NEXT | |
| 957 || rc == NGX_IMAP_PARSE_INVALID_COMMAND) | |
| 958 { | |
|
420
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959 return rc; |
|
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960 } |
|
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|
961 |
|
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962 if (rc == NGX_ERROR) { |
|
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963 ngx_imap_close_connection(s->connection); |
|
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964 return NGX_ERROR; |
|
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965 } |
|
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966 |
|
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967 return NGX_OK; |
|
33a8253115b4
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968 } |
|
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|
969 |
|
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970 |
| 521 | 971 void |
| 525 | 972 ngx_imap_session_internal_server_error(ngx_imap_session_t *s) |
| 973 { | |
| 539 | 974 s->out = internal_server_errors[s->protocol]; |
| 975 s->quit = 1; | |
| 525 | 976 |
| 539 | 977 ngx_imap_send(s->connection->write); |
| 525 | 978 } |
| 979 | |
| 980 | |
| 981 void | |
| 521 | 982 ngx_imap_close_connection(ngx_connection_t *c) |
|
417
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415
diff
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|
983 { |
| 479 | 984 ngx_pool_t *pool; |
| 985 | |
|
417
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|
986 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, c->log, 0, |
|
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|
987 "close imap connection: %d", c->fd); |
|
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|
988 |
| 539 | 989 #if (NGX_IMAP_SSL) |
| 990 | |
| 991 if (c->ssl) { | |
| 992 if (ngx_ssl_shutdown(c) == NGX_AGAIN) { | |
| 577 | 993 c->ssl->handler = ngx_imap_close_connection; |
| 539 | 994 return; |
| 995 } | |
| 996 } | |
| 997 | |
| 998 #endif | |
| 999 | |
| 583 | 1000 c->destroyed = 1; |
| 543 | 1001 |
| 479 | 1002 pool = c->pool; |
| 1003 | |
|
417
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415
diff
changeset
|
1004 ngx_close_connection(c); |
| 479 | 1005 |
| 501 | 1006 ngx_destroy_pool(pool); |
|
417
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|
1007 } |
| 539 | 1008 |
| 1009 | |
| 541 | 1010 static u_char * |
| 1011 ngx_imap_log_error(ngx_log_t *log, u_char *buf, size_t len) | |
| 1012 { | |
| 567 | 1013 u_char *p; |
| 1014 ngx_imap_session_t *s; | |
| 1015 ngx_imap_log_ctx_t *ctx; | |
| 541 | 1016 |
| 1017 if (log->action) { | |
| 1018 p = ngx_snprintf(buf, len, " while %s", log->action); | |
| 1019 len -= p - buf; | |
| 1020 buf = p; | |
| 1021 } | |
| 577 | 1022 |
| 541 | 1023 ctx = log->data; |
| 1024 | |
| 1025 p = ngx_snprintf(buf, len, ", client: %V", ctx->client); | |
| 1026 len -= p - buf; | |
| 1027 buf = p; | |
| 1028 | |
| 1029 s = ctx->session; | |
| 1030 | |
| 1031 if (s == NULL) { | |
| 1032 return p; | |
| 1033 } | |
| 1034 | |
| 641 | 1035 p = ngx_snprintf(buf, len, ", server: %V", s->addr_text); |
| 541 | 1036 len -= p - buf; |
| 1037 buf = p; | |
| 1038 | |
| 1039 if (s->login.len == 0) { | |
| 1040 return p; | |
| 1041 } | |
| 1042 | |
| 1043 p = ngx_snprintf(buf, len, ", login: \"%V\"", &s->login); | |
| 1044 len -= p - buf; | |
| 1045 buf = p; | |
| 1046 | |
| 1047 if (s->proxy == NULL) { | |
| 1048 return p; | |
| 1049 } | |
| 1050 | |
| 1051 p = ngx_snprintf(buf, len, ", upstream: %V", | |
| 1052 &s->proxy->upstream.peers->peer[0].name); | |
| 1053 | |
| 1054 return p; | |
| 1055 } |