Mercurial > hg > nginx
annotate src/mail/ngx_mail_auth_http_module.c @ 1392:86acec04b8b0
test http_auth absence
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 14 Aug 2007 15:21:20 +0000 |
| parents | 4eed21047e4d |
| children | fdd064faf26a |
| rev | line source |
|---|---|
| 521 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_event.h> | |
| 10 #include <ngx_event_connect.h> | |
| 1136 | 11 #include <ngx_mail.h> |
| 521 | 12 |
| 13 | |
| 14 typedef struct { | |
| 884 | 15 ngx_peer_addr_t *peer; |
| 521 | 16 |
| 527 | 17 ngx_msec_t timeout; |
| 521 | 18 |
| 527 | 19 ngx_str_t host_header; |
| 20 ngx_str_t uri; | |
| 573 | 21 ngx_str_t header; |
| 22 | |
| 23 ngx_array_t *headers; | |
| 1392 | 24 |
| 25 u_char *file; | |
| 26 ngx_uint_t line; | |
| 1136 | 27 } ngx_mail_auth_http_conf_t; |
| 521 | 28 |
| 29 | |
| 1136 | 30 typedef struct ngx_mail_auth_http_ctx_s ngx_mail_auth_http_ctx_t; |
| 527 | 31 |
| 1136 | 32 typedef void (*ngx_mail_auth_http_handler_pt)(ngx_mail_session_t *s, |
| 33 ngx_mail_auth_http_ctx_t *ctx); | |
| 527 | 34 |
| 1136 | 35 struct ngx_mail_auth_http_ctx_s { |
| 527 | 36 ngx_buf_t *request; |
| 37 ngx_buf_t *response; | |
| 38 ngx_peer_connection_t peer; | |
| 39 | |
| 1136 | 40 ngx_mail_auth_http_handler_pt handler; |
| 527 | 41 |
| 42 ngx_uint_t state; | |
| 43 ngx_uint_t hash; /* no needed ? */ | |
| 44 | |
| 45 u_char *header_name_start; | |
| 46 u_char *header_name_end; | |
| 47 u_char *header_start; | |
| 48 u_char *header_end; | |
| 49 | |
| 50 ngx_str_t addr; | |
| 51 ngx_str_t port; | |
| 52 ngx_str_t err; | |
| 567 | 53 ngx_str_t errmsg; |
| 1136 | 54 ngx_str_t errcode; |
| 527 | 55 |
| 547 | 56 time_t sleep; |
| 527 | 57 |
| 547 | 58 ngx_pool_t *pool; |
| 527 | 59 }; |
| 521 | 60 |
| 61 | |
| 1136 | 62 static void ngx_mail_auth_http_write_handler(ngx_event_t *wev); |
| 63 static void ngx_mail_auth_http_read_handler(ngx_event_t *rev); | |
| 64 static void ngx_mail_auth_http_ignore_status_line(ngx_mail_session_t *s, | |
| 65 ngx_mail_auth_http_ctx_t *ctx); | |
| 66 static void ngx_mail_auth_http_process_headers(ngx_mail_session_t *s, | |
| 67 ngx_mail_auth_http_ctx_t *ctx); | |
| 68 static void ngx_mail_auth_sleep_handler(ngx_event_t *rev); | |
| 69 static ngx_int_t ngx_mail_auth_http_parse_header_line(ngx_mail_session_t *s, | |
| 70 ngx_mail_auth_http_ctx_t *ctx); | |
| 71 static void ngx_mail_auth_http_block_read(ngx_event_t *rev); | |
| 72 static void ngx_mail_auth_http_dummy_handler(ngx_event_t *ev); | |
| 73 static ngx_buf_t *ngx_mail_auth_http_create_request(ngx_mail_session_t *s, | |
| 74 ngx_pool_t *pool, ngx_mail_auth_http_conf_t *ahcf); | |
| 75 static ngx_int_t ngx_mail_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, | |
| 633 | 76 ngx_str_t *escaped); |
| 521 | 77 |
| 1136 | 78 static void *ngx_mail_auth_http_create_conf(ngx_conf_t *cf); |
| 79 static char *ngx_mail_auth_http_merge_conf(ngx_conf_t *cf, void *parent, | |
| 521 | 80 void *child); |
| 1136 | 81 static char *ngx_mail_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| 82 static char *ngx_mail_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 573 | 83 void *conf); |
| 521 | 84 |
| 85 | |
| 1136 | 86 static ngx_command_t ngx_mail_auth_http_commands[] = { |
| 521 | 87 |
| 88 { ngx_string("auth_http"), | |
| 1136 | 89 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
| 90 ngx_mail_auth_http, | |
| 91 NGX_MAIL_SRV_CONF_OFFSET, | |
| 521 | 92 0, |
| 93 NULL }, | |
| 94 | |
| 95 { ngx_string("auth_http_timeout"), | |
| 1136 | 96 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
| 521 | 97 ngx_conf_set_msec_slot, |
| 1136 | 98 NGX_MAIL_SRV_CONF_OFFSET, |
| 99 offsetof(ngx_mail_auth_http_conf_t, timeout), | |
| 521 | 100 NULL }, |
| 101 | |
| 573 | 102 { ngx_string("auth_http_header"), |
| 1136 | 103 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE2, |
| 104 ngx_mail_auth_http_header, | |
| 105 NGX_MAIL_SRV_CONF_OFFSET, | |
| 573 | 106 0, |
| 107 NULL }, | |
| 108 | |
| 521 | 109 ngx_null_command |
| 110 }; | |
| 111 | |
| 112 | |
| 1136 | 113 static ngx_mail_module_t ngx_mail_auth_http_module_ctx = { |
| 521 | 114 NULL, /* create main configuration */ |
| 115 NULL, /* init main configuration */ | |
| 116 | |
| 1136 | 117 ngx_mail_auth_http_create_conf, /* create server configuration */ |
| 118 ngx_mail_auth_http_merge_conf /* merge server configuration */ | |
| 521 | 119 }; |
| 120 | |
| 121 | |
| 1136 | 122 ngx_module_t ngx_mail_auth_http_module = { |
| 521 | 123 NGX_MODULE_V1, |
| 1136 | 124 &ngx_mail_auth_http_module_ctx, /* module context */ |
| 125 ngx_mail_auth_http_commands, /* module directives */ | |
| 126 NGX_MAIL_MODULE, /* module type */ | |
| 541 | 127 NULL, /* init master */ |
| 521 | 128 NULL, /* init module */ |
| 541 | 129 NULL, /* init process */ |
| 130 NULL, /* init thread */ | |
| 131 NULL, /* exit thread */ | |
| 132 NULL, /* exit process */ | |
| 133 NULL, /* exit master */ | |
| 134 NGX_MODULE_V1_PADDING | |
| 521 | 135 }; |
| 136 | |
| 137 | |
| 1136 | 138 static char *ngx_mail_auth_http_protocol[] = { "pop3", "imap", "smtp" }; |
| 139 static ngx_str_t ngx_mail_auth_http_method[] = { | |
| 140 ngx_string("plain"), | |
| 809 | 141 ngx_string("plain"), |
| 142 ngx_string("apop"), | |
| 143 ngx_string("cram-md5") | |
| 800 | 144 }; |
| 521 | 145 |
| 1136 | 146 static ngx_str_t ngx_mail_smtp_errcode = ngx_string("535 5.7.0"); |
| 521 | 147 |
| 148 void | |
| 1136 | 149 ngx_mail_auth_http_init(ngx_mail_session_t *s) |
| 521 | 150 { |
| 151 ngx_int_t rc; | |
| 547 | 152 ngx_pool_t *pool; |
| 1136 | 153 ngx_mail_auth_http_ctx_t *ctx; |
| 154 ngx_mail_auth_http_conf_t *ahcf; | |
| 521 | 155 |
| 541 | 156 s->connection->log->action = "in http auth state"; |
| 157 | |
| 547 | 158 pool = ngx_create_pool(2048, s->connection->log); |
| 159 if (pool == NULL) { | |
| 1136 | 160 ngx_mail_session_internal_server_error(s); |
| 521 | 161 return; |
| 162 } | |
| 163 | |
| 1136 | 164 ctx = ngx_pcalloc(pool, sizeof(ngx_mail_auth_http_ctx_t)); |
| 547 | 165 if (ctx == NULL) { |
| 166 ngx_destroy_pool(pool); | |
| 1136 | 167 ngx_mail_session_internal_server_error(s); |
| 547 | 168 return; |
| 169 } | |
| 170 | |
| 171 ctx->pool = pool; | |
| 172 | |
| 1136 | 173 ahcf = ngx_mail_get_module_srv_conf(s, ngx_mail_auth_http_module); |
| 521 | 174 |
| 1136 | 175 ctx->request = ngx_mail_auth_http_create_request(s, pool, ahcf); |
| 521 | 176 if (ctx->request == NULL) { |
| 547 | 177 ngx_destroy_pool(ctx->pool); |
| 1136 | 178 ngx_mail_session_internal_server_error(s); |
| 521 | 179 return; |
| 180 } | |
| 181 | |
| 1136 | 182 ngx_mail_set_ctx(s, ctx, ngx_mail_auth_http_module); |
| 521 | 183 |
| 884 | 184 ctx->peer.sockaddr = ahcf->peer->sockaddr; |
| 185 ctx->peer.socklen = ahcf->peer->socklen; | |
| 186 ctx->peer.name = &ahcf->peer->name; | |
| 187 ctx->peer.get = ngx_event_get_peer; | |
| 521 | 188 ctx->peer.log = s->connection->log; |
| 189 ctx->peer.log_error = NGX_ERROR_ERR; | |
| 190 | |
| 191 rc = ngx_event_connect_peer(&ctx->peer); | |
| 192 | |
| 543 | 193 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) { |
|
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194 if (ctx->peer.connection) { |
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195 ngx_close_connection(ctx->peer.connection); |
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196 } |
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197 |
| 547 | 198 ngx_destroy_pool(ctx->pool); |
| 1136 | 199 ngx_mail_session_internal_server_error(s); |
| 521 | 200 return; |
| 201 } | |
| 202 | |
| 203 ctx->peer.connection->data = s; | |
| 204 ctx->peer.connection->pool = s->connection->pool; | |
| 205 | |
| 1136 | 206 s->connection->read->handler = ngx_mail_auth_http_block_read; |
| 207 ctx->peer.connection->read->handler = ngx_mail_auth_http_read_handler; | |
| 208 ctx->peer.connection->write->handler = ngx_mail_auth_http_write_handler; | |
| 521 | 209 |
| 1136 | 210 ctx->handler = ngx_mail_auth_http_ignore_status_line; |
| 527 | 211 |
| 541 | 212 ngx_add_timer(ctx->peer.connection->read, ahcf->timeout); |
| 213 ngx_add_timer(ctx->peer.connection->write, ahcf->timeout); | |
| 214 | |
| 521 | 215 if (rc == NGX_OK) { |
| 1136 | 216 ngx_mail_auth_http_write_handler(ctx->peer.connection->write); |
| 521 | 217 return; |
| 218 } | |
| 219 } | |
| 220 | |
| 221 | |
| 222 static void | |
| 1136 | 223 ngx_mail_auth_http_write_handler(ngx_event_t *wev) |
| 521 | 224 { |
| 225 ssize_t n, size; | |
| 226 ngx_connection_t *c; | |
| 1136 | 227 ngx_mail_session_t *s; |
| 228 ngx_mail_auth_http_ctx_t *ctx; | |
| 229 ngx_mail_auth_http_conf_t *ahcf; | |
| 521 | 230 |
| 231 c = wev->data; | |
| 232 s = c->data; | |
| 233 | |
| 1136 | 234 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module); |
| 521 | 235 |
| 1136 | 236 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, wev->log, 0, |
| 237 "mail auth http write handler"); | |
| 521 | 238 |
| 577 | 239 if (wev->timedout) { |
| 521 | 240 ngx_log_error(NGX_LOG_ERR, wev->log, NGX_ETIMEDOUT, |
| 884 | 241 "auth http server %V timed out", ctx->peer.name); |
| 525 | 242 ngx_close_connection(ctx->peer.connection); |
| 547 | 243 ngx_destroy_pool(ctx->pool); |
| 1136 | 244 ngx_mail_session_internal_server_error(s); |
| 521 | 245 return; |
| 246 } | |
| 247 | |
| 248 size = ctx->request->last - ctx->request->pos; | |
| 249 | |
| 250 n = ngx_send(c, ctx->request->pos, size); | |
| 251 | |
| 252 if (n == NGX_ERROR) { | |
| 525 | 253 ngx_close_connection(ctx->peer.connection); |
| 547 | 254 ngx_destroy_pool(ctx->pool); |
| 1136 | 255 ngx_mail_session_internal_server_error(s); |
| 521 | 256 return; |
| 257 } | |
| 258 | |
| 259 if (n > 0) { | |
| 260 ctx->request->pos += n; | |
| 261 | |
| 262 if (n == size) { | |
| 1136 | 263 wev->handler = ngx_mail_auth_http_dummy_handler; |
| 521 | 264 |
| 265 if (wev->timer_set) { | |
| 266 ngx_del_timer(wev); | |
| 267 } | |
| 268 | |
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269 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) { |
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270 ngx_close_connection(ctx->peer.connection); |
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271 ngx_destroy_pool(ctx->pool); |
| 1136 | 272 ngx_mail_session_internal_server_error(s); |
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273 } |
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274 |
| 521 | 275 return; |
| 276 } | |
| 277 } | |
| 278 | |
| 279 if (!wev->timer_set) { | |
| 1136 | 280 ahcf = ngx_mail_get_module_srv_conf(s, ngx_mail_auth_http_module); |
| 521 | 281 ngx_add_timer(wev, ahcf->timeout); |
| 282 } | |
| 283 } | |
| 284 | |
| 285 | |
| 286 static void | |
| 1136 | 287 ngx_mail_auth_http_read_handler(ngx_event_t *rev) |
| 521 | 288 { |
| 525 | 289 ssize_t n, size; |
| 521 | 290 ngx_connection_t *c; |
| 1136 | 291 ngx_mail_session_t *s; |
| 292 ngx_mail_auth_http_ctx_t *ctx; | |
| 521 | 293 |
| 294 c = rev->data; | |
| 295 s = c->data; | |
| 296 | |
| 1136 | 297 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, |
| 298 "mail auth http read handler"); | |
| 521 | 299 |
| 1136 | 300 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module); |
| 525 | 301 |
| 577 | 302 if (rev->timedout) { |
| 525 | 303 ngx_log_error(NGX_LOG_ERR, rev->log, NGX_ETIMEDOUT, |
| 884 | 304 "auth http server %V timed out", ctx->peer.name); |
| 525 | 305 ngx_close_connection(ctx->peer.connection); |
| 547 | 306 ngx_destroy_pool(ctx->pool); |
| 1136 | 307 ngx_mail_session_internal_server_error(s); |
| 525 | 308 return; |
| 309 } | |
| 310 | |
| 311 if (ctx->response == NULL) { | |
| 547 | 312 ctx->response = ngx_create_temp_buf(ctx->pool, 1024); |
| 525 | 313 if (ctx->response == NULL) { |
| 314 ngx_close_connection(ctx->peer.connection); | |
| 547 | 315 ngx_destroy_pool(ctx->pool); |
| 1136 | 316 ngx_mail_session_internal_server_error(s); |
| 525 | 317 return; |
| 318 } | |
| 319 } | |
| 320 | |
| 527 | 321 size = ctx->response->end - ctx->response->last; |
| 525 | 322 |
| 323 n = ngx_recv(c, ctx->response->pos, size); | |
| 324 | |
| 527 | 325 if (n > 0) { |
| 326 ctx->response->last += n; | |
| 327 | |
| 328 ctx->handler(s, ctx); | |
| 329 return; | |
| 330 } | |
| 331 | |
| 332 if (n == NGX_AGAIN) { | |
| 525 | 333 return; |
| 334 } | |
| 335 | |
| 527 | 336 ngx_close_connection(ctx->peer.connection); |
| 547 | 337 ngx_destroy_pool(ctx->pool); |
| 1136 | 338 ngx_mail_session_internal_server_error(s); |
| 527 | 339 } |
| 525 | 340 |
| 341 | |
| 527 | 342 static void |
| 1136 | 343 ngx_mail_auth_http_ignore_status_line(ngx_mail_session_t *s, |
| 344 ngx_mail_auth_http_ctx_t *ctx) | |
| 527 | 345 { |
| 346 u_char *p, ch; | |
| 347 enum { | |
| 348 sw_start = 0, | |
| 349 sw_H, | |
| 350 sw_HT, | |
| 351 sw_HTT, | |
| 352 sw_HTTP, | |
| 353 sw_skip, | |
| 354 sw_almost_done | |
| 355 } state; | |
| 356 | |
| 1136 | 357 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
| 358 "mail auth http process status line"); | |
| 527 | 359 |
| 360 state = ctx->state; | |
| 361 | |
| 362 for (p = ctx->response->pos; p < ctx->response->last; p++) { | |
| 363 ch = *p; | |
| 364 | |
| 365 switch (state) { | |
| 366 | |
| 367 /* "HTTP/" */ | |
| 368 case sw_start: | |
| 369 if (ch == 'H') { | |
| 370 state = sw_H; | |
| 371 break; | |
| 372 } | |
| 373 goto next; | |
| 374 | |
| 375 case sw_H: | |
| 376 if (ch == 'T') { | |
| 377 state = sw_HT; | |
| 378 break; | |
| 379 } | |
| 380 goto next; | |
| 381 | |
| 382 case sw_HT: | |
| 383 if (ch == 'T') { | |
| 384 state = sw_HTT; | |
| 385 break; | |
| 386 } | |
| 387 goto next; | |
| 388 | |
| 389 case sw_HTT: | |
| 390 if (ch == 'P') { | |
| 391 state = sw_HTTP; | |
| 392 break; | |
| 393 } | |
| 394 goto next; | |
| 395 | |
| 396 case sw_HTTP: | |
| 397 if (ch == '/') { | |
| 398 state = sw_skip; | |
| 399 break; | |
| 400 } | |
| 401 goto next; | |
| 402 | |
| 403 /* any text until end of line */ | |
| 404 case sw_skip: | |
| 405 switch (ch) { | |
| 406 case CR: | |
| 407 state = sw_almost_done; | |
| 408 | |
| 409 break; | |
| 577 | 410 case LF: |
| 527 | 411 goto done; |
| 412 } | |
| 413 break; | |
| 414 | |
| 415 /* end of status line */ | |
| 416 case sw_almost_done: | |
| 417 if (ch == LF) { | |
| 418 goto done; | |
| 419 } | |
| 420 | |
| 421 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 541 | 422 "auth http server &V sent invalid response", |
| 884 | 423 ctx->peer.name); |
| 527 | 424 ngx_close_connection(ctx->peer.connection); |
| 547 | 425 ngx_destroy_pool(ctx->pool); |
| 1136 | 426 ngx_mail_session_internal_server_error(s); |
| 527 | 427 return; |
| 428 } | |
| 429 } | |
| 430 | |
| 431 ctx->response->pos = p; | |
| 432 ctx->state = state; | |
| 433 | |
| 434 return; | |
| 435 | |
| 436 next: | |
| 437 | |
| 438 p = ctx->response->start - 1; | |
| 439 | |
| 440 done: | |
| 441 | |
| 442 ctx->response->pos = p + 1; | |
| 443 ctx->state = 0; | |
| 1136 | 444 ctx->handler = ngx_mail_auth_http_process_headers; |
| 527 | 445 ctx->handler(s, ctx); |
| 446 } | |
| 525 | 447 |
| 448 | |
| 527 | 449 static void |
| 1136 | 450 ngx_mail_auth_http_process_headers(ngx_mail_session_t *s, |
| 451 ngx_mail_auth_http_ctx_t *ctx) | |
| 527 | 452 { |
| 453 u_char *p; | |
| 547 | 454 time_t timer; |
| 527 | 455 size_t len, size; |
| 456 ngx_int_t rc, port, n; | |
| 884 | 457 ngx_peer_addr_t *peer; |
| 527 | 458 struct sockaddr_in *sin; |
| 525 | 459 |
| 1136 | 460 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
| 461 "mail auth http process headers"); | |
| 527 | 462 |
| 463 for ( ;; ) { | |
| 1136 | 464 rc = ngx_mail_auth_http_parse_header_line(s, ctx); |
| 527 | 465 |
| 466 if (rc == NGX_OK) { | |
| 467 | |
| 468 #if (NGX_DEBUG) | |
| 469 { | |
| 470 ngx_str_t key, value; | |
| 471 | |
| 472 key.len = ctx->header_name_end - ctx->header_name_start; | |
| 473 key.data = ctx->header_name_start; | |
| 474 value.len = ctx->header_end - ctx->header_start; | |
| 475 value.data = ctx->header_start; | |
| 476 | |
| 1136 | 477 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
| 478 "mail auth http header: \"%V: %V\"", | |
| 527 | 479 &key, &value); |
| 480 } | |
| 481 #endif | |
| 482 | |
| 483 len = ctx->header_name_end - ctx->header_name_start; | |
| 484 | |
| 485 if (len == sizeof("Auth-Status") - 1 | |
|
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parents:
906
diff
changeset
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486 && ngx_strncasecmp(ctx->header_name_start, |
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
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487 (u_char *) "Auth-Status", |
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db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
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488 sizeof("Auth-Status") - 1) |
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db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
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489 == 0) |
| 527 | 490 { |
| 491 len = ctx->header_end - ctx->header_start; | |
| 492 | |
| 493 if (len == 2 | |
| 494 && ctx->header_start[0] == 'O' | |
| 495 && ctx->header_start[1] == 'K') | |
| 496 { | |
| 497 continue; | |
| 498 } | |
| 499 | |
| 883 | 500 if (len == 4 |
| 501 && ctx->header_start[0] == 'W' | |
| 502 && ctx->header_start[1] == 'A' | |
| 503 && ctx->header_start[2] == 'I' | |
| 504 && ctx->header_start[3] == 'T') | |
| 505 { | |
| 506 s->auth_wait = 1; | |
| 507 continue; | |
| 508 } | |
| 509 | |
| 567 | 510 ctx->errmsg.len = len; |
| 511 ctx->errmsg.data = ctx->header_start; | |
| 512 | |
| 1136 | 513 switch (s->protocol) { |
| 514 | |
| 515 case NGX_MAIL_POP3_PROTOCOL: | |
|
854
1673f197bc62
fix segfault when many auth failures occurred
Igor Sysoev <igor@sysoev.ru>
parents:
809
diff
changeset
|
516 size = sizeof("-ERR ") - 1 + len + sizeof(CRLF) - 1; |
| 1136 | 517 break; |
| 527 | 518 |
| 1136 | 519 case NGX_MAIL_IMAP_PROTOCOL: |
|
854
1673f197bc62
fix segfault when many auth failures occurred
Igor Sysoev <igor@sysoev.ru>
parents:
809
diff
changeset
|
520 size = s->tag.len + sizeof("NO ") - 1 + len |
| 527 | 521 + sizeof(CRLF) - 1; |
| 1136 | 522 break; |
| 523 | |
| 524 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 525 ctx->err = ctx->errmsg; | |
| 526 continue; | |
| 527 | 527 } |
| 528 | |
| 529 p = ngx_pcalloc(s->connection->pool, size); | |
| 530 if (p == NULL) { | |
| 543 | 531 ngx_close_connection(ctx->peer.connection); |
| 547 | 532 ngx_destroy_pool(ctx->pool); |
| 1136 | 533 ngx_mail_session_internal_server_error(s); |
| 527 | 534 return; |
| 535 } | |
| 536 | |
| 537 ctx->err.data = p; | |
| 538 | |
| 1136 | 539 switch (s->protocol) { |
| 527 | 540 |
| 1136 | 541 case NGX_MAIL_POP3_PROTOCOL: |
| 542 *p++ = '-'; *p++ = 'E'; *p++ = 'R'; *p++ = 'R'; *p++ = ' '; | |
| 543 break; | |
| 544 | |
| 545 case NGX_MAIL_IMAP_PROTOCOL: | |
| 527 | 546 p = ngx_cpymem(p, s->tag.data, s->tag.len); |
| 1136 | 547 *p++ = 'N'; *p++ = 'O'; *p++ = ' '; |
| 548 break; | |
| 549 | |
| 550 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 551 break; | |
| 527 | 552 } |
| 553 | |
| 554 p = ngx_cpymem(p, ctx->header_start, len); | |
| 555 *p++ = CR; *p++ = LF; | |
| 556 | |
| 557 ctx->err.len = p - ctx->err.data; | |
| 558 | |
| 559 continue; | |
| 560 } | |
| 561 | |
| 562 if (len == sizeof("Auth-Server") - 1 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
563 && ngx_strncasecmp(ctx->header_name_start, |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
564 (u_char *) "Auth-Server", |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
565 sizeof("Auth-Server") - 1) |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
566 == 0) |
| 527 | 567 { |
| 568 ctx->addr.len = ctx->header_end - ctx->header_start; | |
| 569 ctx->addr.data = ctx->header_start; | |
| 570 | |
| 571 continue; | |
| 572 } | |
| 573 | |
| 574 if (len == sizeof("Auth-Port") - 1 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
575 && ngx_strncasecmp(ctx->header_name_start, |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
576 (u_char *) "Auth-Port", |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
577 sizeof("Auth-Port") - 1) |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
578 == 0) |
| 527 | 579 { |
| 580 ctx->port.len = ctx->header_end - ctx->header_start; | |
| 581 ctx->port.data = ctx->header_start; | |
| 582 | |
| 583 continue; | |
| 584 } | |
| 585 | |
| 586 if (len == sizeof("Auth-User") - 1 | |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
587 && ngx_strncasecmp(ctx->header_name_start, |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
588 (u_char *) "Auth-User", |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
589 sizeof("Auth-User") - 1) |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
590 == 0) |
| 527 | 591 { |
| 592 s->login.len = ctx->header_end - ctx->header_start; | |
| 567 | 593 |
| 594 s->login.data = ngx_palloc(s->connection->pool, s->login.len); | |
| 595 if (s->login.data == NULL) { | |
| 596 ngx_close_connection(ctx->peer.connection); | |
| 597 ngx_destroy_pool(ctx->pool); | |
| 1136 | 598 ngx_mail_session_internal_server_error(s); |
| 567 | 599 return; |
| 600 } | |
| 601 | |
| 602 ngx_memcpy(s->login.data, ctx->header_start, s->login.len); | |
| 527 | 603 |
| 604 continue; | |
| 605 } | |
| 606 | |
| 800 | 607 if (len == sizeof("Auth-Pass") - 1 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
608 && ngx_strncasecmp(ctx->header_name_start, |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
609 (u_char *) "Auth-Pass", |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
610 sizeof("Auth-Pass") - 1) |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
611 == 0) |
| 800 | 612 { |
| 613 s->passwd.len = ctx->header_end - ctx->header_start; | |
| 614 | |
| 615 s->passwd.data = ngx_palloc(s->connection->pool, s->passwd.len); | |
| 616 if (s->passwd.data == NULL) { | |
| 617 ngx_close_connection(ctx->peer.connection); | |
| 618 ngx_destroy_pool(ctx->pool); | |
| 1136 | 619 ngx_mail_session_internal_server_error(s); |
| 800 | 620 return; |
| 621 } | |
| 622 | |
| 623 ngx_memcpy(s->passwd.data, ctx->header_start, s->passwd.len); | |
| 624 | |
| 625 continue; | |
| 626 } | |
| 627 | |
| 527 | 628 if (len == sizeof("Auth-Wait") - 1 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
629 && ngx_strncasecmp(ctx->header_name_start, |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
630 (u_char *) "Auth-Wait", |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
631 sizeof("Auth-Wait") - 1) |
|
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
906
diff
changeset
|
632 == 0) |
| 527 | 633 { |
| 634 n = ngx_atoi(ctx->header_start, | |
| 635 ctx->header_end - ctx->header_start); | |
| 636 | |
| 637 if (n != NGX_ERROR) { | |
| 638 ctx->sleep = n; | |
| 639 } | |
| 640 | |
| 641 continue; | |
| 642 } | |
| 643 | |
| 1136 | 644 if (len == sizeof("Auth-Error-Code") - 1 |
| 645 && ngx_strncasecmp(ctx->header_name_start, | |
| 646 (u_char *) "Auth-Error-Code", | |
| 647 sizeof("Auth-Error-Code") - 1) | |
| 648 == 0) | |
| 649 { | |
| 650 ctx->errcode.len = ctx->header_end - ctx->header_start; | |
| 651 | |
| 652 ctx->errcode.data = ngx_palloc(s->connection->pool, | |
| 653 ctx->errcode.len); | |
| 654 if (ctx->errcode.data == NULL) { | |
| 655 ngx_close_connection(ctx->peer.connection); | |
| 656 ngx_destroy_pool(ctx->pool); | |
| 657 ngx_mail_session_internal_server_error(s); | |
| 658 return; | |
| 659 } | |
| 660 | |
| 661 ngx_memcpy(ctx->errcode.data, ctx->header_start, | |
| 662 ctx->errcode.len); | |
| 663 | |
| 664 continue; | |
| 665 } | |
| 666 | |
| 527 | 667 /* ignore other headers */ |
| 668 | |
| 669 continue; | |
| 670 } | |
| 671 | |
| 672 if (rc == NGX_DONE) { | |
| 1136 | 673 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
| 674 "mail auth http header done"); | |
| 527 | 675 |
| 676 ngx_close_connection(ctx->peer.connection); | |
| 677 | |
| 678 if (ctx->err.len) { | |
| 1136 | 679 |
| 567 | 680 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, |
| 681 "client login failed: \"%V\"", &ctx->errmsg); | |
| 682 | |
| 1136 | 683 if (s->protocol == NGX_MAIL_SMTP_PROTOCOL) { |
| 684 | |
| 685 if (ctx->errcode.len == 0) { | |
| 686 ctx->errcode = ngx_mail_smtp_errcode; | |
| 687 } | |
| 688 | |
| 689 ctx->err.len = ctx->errcode.len + ctx->errmsg.len | |
| 690 + sizeof(" " CRLF) - 1; | |
| 691 | |
| 1166 | 692 p = ngx_palloc(s->connection->pool, ctx->err.len); |
| 693 if (p == NULL) { | |
| 694 ngx_close_connection(ctx->peer.connection); | |
| 695 ngx_destroy_pool(ctx->pool); | |
| 696 ngx_mail_session_internal_server_error(s); | |
| 697 return; | |
| 698 } | |
| 1136 | 699 |
| 1166 | 700 ctx->err.data = p; |
| 1136 | 701 |
| 1166 | 702 p = ngx_cpymem(p, ctx->errcode.data, ctx->errcode.len); |
| 1136 | 703 *p++ = ' '; |
| 1166 | 704 p = ngx_cpymem(p, ctx->errmsg.data, ctx->errmsg.len); |
| 1136 | 705 *p++ = CR; *p = LF; |
| 706 } | |
| 707 | |
| 539 | 708 s->out = ctx->err; |
| 547 | 709 timer = ctx->sleep; |
| 527 | 710 |
| 547 | 711 ngx_destroy_pool(ctx->pool); |
| 712 | |
| 713 if (timer == 0) { | |
| 539 | 714 s->quit = 1; |
| 1136 | 715 ngx_mail_send(s->connection->write); |
| 541 | 716 return; |
| 717 } | |
| 539 | 718 |
| 547 | 719 ngx_add_timer(s->connection->read, timer * 1000); |
| 527 | 720 |
| 1136 | 721 s->connection->read->handler = ngx_mail_auth_sleep_handler; |
| 527 | 722 |
| 723 return; | |
| 724 } | |
| 725 | |
| 883 | 726 if (s->auth_wait) { |
| 727 timer = ctx->sleep; | |
| 728 | |
| 729 ngx_destroy_pool(ctx->pool); | |
| 730 | |
| 731 if (timer == 0) { | |
| 1136 | 732 ngx_mail_auth_http_init(s); |
| 883 | 733 return; |
| 734 } | |
| 735 | |
| 736 ngx_add_timer(s->connection->read, timer * 1000); | |
| 737 | |
| 1136 | 738 s->connection->read->handler = ngx_mail_auth_sleep_handler; |
| 883 | 739 |
| 740 return; | |
| 741 } | |
| 742 | |
| 527 | 743 if (ctx->addr.len == 0 || ctx->port.len == 0) { |
| 744 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 541 | 745 "auth http server %V did not send server or port", |
| 884 | 746 ctx->peer.name); |
| 547 | 747 ngx_destroy_pool(ctx->pool); |
| 1136 | 748 ngx_mail_session_internal_server_error(s); |
| 527 | 749 return; |
| 750 } | |
| 751 | |
| 1136 | 752 if (s->passwd.data == NULL && s->protocol != NGX_MAIL_SMTP_PROTOCOL) |
| 753 { | |
| 800 | 754 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, |
| 755 "auth http server %V did not send password", | |
| 884 | 756 ctx->peer.name); |
| 800 | 757 ngx_destroy_pool(ctx->pool); |
| 1136 | 758 ngx_mail_session_internal_server_error(s); |
| 800 | 759 return; |
| 760 } | |
| 761 | |
| 884 | 762 peer = ngx_pcalloc(s->connection->pool, sizeof(ngx_peer_addr_t)); |
| 763 if (peer == NULL) { | |
| 547 | 764 ngx_destroy_pool(ctx->pool); |
| 1136 | 765 ngx_mail_session_internal_server_error(s); |
| 527 | 766 return; |
| 767 } | |
| 768 | |
| 769 sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in)); | |
| 770 if (sin == NULL) { | |
| 547 | 771 ngx_destroy_pool(ctx->pool); |
| 1136 | 772 ngx_mail_session_internal_server_error(s); |
| 527 | 773 return; |
| 774 } | |
| 775 | |
| 776 sin->sin_family = AF_INET; | |
| 777 | |
| 778 port = ngx_atoi(ctx->port.data, ctx->port.len); | |
| 779 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
| 780 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 541 | 781 "auth http server %V sent invalid server " |
| 782 "port:\"%V\"", | |
| 884 | 783 ctx->peer.name, &ctx->port); |
| 547 | 784 ngx_destroy_pool(ctx->pool); |
| 1136 | 785 ngx_mail_session_internal_server_error(s); |
| 527 | 786 return; |
| 787 } | |
| 788 | |
| 789 sin->sin_port = htons((in_port_t) port); | |
| 790 | |
| 791 ctx->addr.data[ctx->addr.len] = '\0'; | |
| 792 sin->sin_addr.s_addr = inet_addr((char *) ctx->addr.data); | |
| 793 if (sin->sin_addr.s_addr == INADDR_NONE) { | |
| 794 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 541 | 795 "auth http server %V sent invalid server " |
| 796 "address:\"%V\"", | |
| 884 | 797 ctx->peer.name, &ctx->addr); |
| 547 | 798 ngx_destroy_pool(ctx->pool); |
| 1136 | 799 ngx_mail_session_internal_server_error(s); |
| 527 | 800 return; |
| 801 } | |
| 802 | |
| 884 | 803 peer->sockaddr = (struct sockaddr *) sin; |
| 804 peer->socklen = sizeof(struct sockaddr_in); | |
| 527 | 805 |
| 806 len = ctx->addr.len + 1 + ctx->port.len; | |
| 807 | |
| 884 | 808 peer->name.len = len; |
| 527 | 809 |
| 884 | 810 peer->name.data = ngx_palloc(s->connection->pool, len); |
| 811 if (peer->name.data == NULL) { | |
| 547 | 812 ngx_destroy_pool(ctx->pool); |
| 1136 | 813 ngx_mail_session_internal_server_error(s); |
| 527 | 814 return; |
| 815 } | |
| 816 | |
| 817 len = ctx->addr.len; | |
| 818 | |
| 884 | 819 ngx_memcpy(peer->name.data, ctx->addr.data, len); |
| 527 | 820 |
| 884 | 821 peer->name.data[len++] = ':'; |
| 527 | 822 |
| 884 | 823 ngx_memcpy(peer->name.data + len, ctx->port.data, ctx->port.len); |
| 527 | 824 |
| 547 | 825 ngx_destroy_pool(ctx->pool); |
| 1136 | 826 ngx_mail_proxy_init(s, peer); |
| 527 | 827 |
| 828 return; | |
| 829 } | |
| 830 | |
| 831 if (rc == NGX_AGAIN ) { | |
| 832 return; | |
| 833 } | |
| 834 | |
| 835 /* rc == NGX_ERROR */ | |
| 836 | |
| 837 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 541 | 838 "auth http server %V sent invalid header in response", |
| 884 | 839 ctx->peer.name); |
| 527 | 840 ngx_close_connection(ctx->peer.connection); |
| 547 | 841 ngx_destroy_pool(ctx->pool); |
| 1136 | 842 ngx_mail_session_internal_server_error(s); |
| 527 | 843 |
| 844 return; | |
| 845 } | |
| 846 } | |
| 847 | |
| 521 | 848 |
| 527 | 849 static void |
| 1136 | 850 ngx_mail_auth_sleep_handler(ngx_event_t *rev) |
| 527 | 851 { |
| 543 | 852 ngx_connection_t *c; |
| 1136 | 853 ngx_mail_session_t *s; |
| 854 ngx_mail_core_srv_conf_t *cscf; | |
| 527 | 855 |
| 1136 | 856 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail auth sleep handler"); |
| 527 | 857 |
| 858 c = rev->data; | |
| 859 s = c->data; | |
| 860 | |
| 861 if (rev->timedout) { | |
| 862 | |
| 863 rev->timedout = 0; | |
| 864 | |
| 883 | 865 if (s->auth_wait) { |
| 866 s->auth_wait = 0; | |
| 1136 | 867 ngx_mail_auth_http_init(s); |
| 883 | 868 return; |
| 869 } | |
| 870 | |
| 1136 | 871 switch (s->protocol) { |
| 872 | |
| 873 case NGX_MAIL_POP3_PROTOCOL: | |
| 874 s->mail_state = ngx_pop3_start; | |
| 527 | 875 s->connection->read->handler = ngx_pop3_auth_state; |
| 1136 | 876 break; |
| 527 | 877 |
| 1136 | 878 case NGX_MAIL_IMAP_PROTOCOL: |
| 879 s->mail_state = ngx_imap_start; | |
| 527 | 880 s->connection->read->handler = ngx_imap_auth_state; |
| 1136 | 881 break; |
| 882 | |
| 883 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 884 s->mail_state = ngx_smtp_start; | |
| 885 s->connection->read->handler = ngx_smtp_auth_state; | |
| 886 break; | |
| 527 | 887 } |
| 888 | |
| 1136 | 889 s->auth_method = NGX_MAIL_AUTH_PLAIN; |
| 800 | 890 |
| 543 | 891 c->log->action = "in auth state"; |
| 892 | |
| 1136 | 893 ngx_mail_send(s->connection->write); |
| 543 | 894 |
| 583 | 895 if (c->destroyed) { |
| 543 | 896 return; |
| 897 } | |
| 898 | |
| 1136 | 899 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); |
| 543 | 900 |
| 901 ngx_add_timer(rev, cscf->timeout); | |
| 902 | |
| 527 | 903 if (rev->ready) { |
| 904 s->connection->read->handler(rev); | |
| 905 return; | |
| 906 } | |
| 907 | |
| 908 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1136 | 909 ngx_mail_close_connection(s->connection); |
| 527 | 910 } |
| 911 | |
| 912 return; | |
| 913 } | |
| 914 | |
| 915 if (rev->active) { | |
| 916 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1136 | 917 ngx_mail_close_connection(s->connection); |
| 527 | 918 } |
| 919 } | |
| 920 } | |
| 921 | |
| 922 | |
| 923 static ngx_int_t | |
| 1136 | 924 ngx_mail_auth_http_parse_header_line(ngx_mail_session_t *s, |
| 925 ngx_mail_auth_http_ctx_t *ctx) | |
| 527 | 926 { |
| 927 u_char c, ch, *p; | |
| 928 ngx_uint_t hash; | |
| 929 enum { | |
| 930 sw_start = 0, | |
| 931 sw_name, | |
| 932 sw_space_before_value, | |
| 933 sw_value, | |
| 934 sw_space_after_value, | |
| 577 | 935 sw_almost_done, |
| 527 | 936 sw_header_almost_done |
| 937 } state; | |
| 938 | |
| 577 | 939 state = ctx->state; |
| 527 | 940 hash = ctx->hash; |
| 941 | |
| 942 for (p = ctx->response->pos; p < ctx->response->last; p++) { | |
| 943 ch = *p; | |
| 944 | |
| 945 switch (state) { | |
| 946 | |
| 947 /* first char */ | |
| 948 case sw_start: | |
| 949 | |
| 950 switch (ch) { | |
| 951 case CR: | |
| 577 | 952 ctx->header_end = p; |
| 527 | 953 state = sw_header_almost_done; |
| 954 break; | |
| 577 | 955 case LF: |
| 527 | 956 ctx->header_end = p; |
| 957 goto header_done; | |
| 958 default: | |
| 959 state = sw_name; | |
| 960 ctx->header_name_start = p; | |
| 961 | |
| 962 c = (u_char) (ch | 0x20); | |
| 963 if (c >= 'a' && c <= 'z') { | |
| 964 hash = c; | |
| 965 break; | |
| 966 } | |
| 967 | |
| 968 if (ch >= '0' && ch <= '9') { | |
| 969 hash = ch; | |
| 970 break; | |
| 971 } | |
| 972 | |
| 973 return NGX_ERROR; | |
| 974 } | |
| 975 break; | |
| 976 | |
| 977 /* header name */ | |
| 978 case sw_name: | |
| 979 c = (u_char) (ch | 0x20); | |
| 980 if (c >= 'a' && c <= 'z') { | |
| 981 hash += c; | |
| 982 break; | |
| 983 } | |
| 984 | |
| 985 if (ch == ':') { | |
| 986 ctx->header_name_end = p; | |
| 987 state = sw_space_before_value; | |
| 988 break; | |
| 989 } | |
| 990 | |
| 991 if (ch == '-') { | |
| 992 hash += ch; | |
| 993 break; | |
| 994 } | |
| 995 | |
| 996 if (ch >= '0' && ch <= '9') { | |
| 997 hash += ch; | |
| 998 break; | |
| 999 } | |
| 1000 | |
| 1001 if (ch == CR) { | |
| 1002 ctx->header_name_end = p; | |
| 1003 ctx->header_start = p; | |
| 1004 ctx->header_end = p; | |
| 1005 state = sw_almost_done; | |
| 1006 break; | |
| 1007 } | |
| 1008 | |
| 1009 if (ch == LF) { | |
| 1010 ctx->header_name_end = p; | |
| 1011 ctx->header_start = p; | |
| 1012 ctx->header_end = p; | |
| 1013 goto done; | |
| 1014 } | |
| 1015 | |
| 1016 return NGX_ERROR; | |
| 1017 | |
| 1018 /* space* before header value */ | |
| 1019 case sw_space_before_value: | |
| 1020 switch (ch) { | |
| 1021 case ' ': | |
| 1022 break; | |
| 1023 case CR: | |
| 1024 ctx->header_start = p; | |
| 1025 ctx->header_end = p; | |
| 1026 state = sw_almost_done; | |
| 1027 break; | |
| 1028 case LF: | |
| 1029 ctx->header_start = p; | |
| 1030 ctx->header_end = p; | |
| 1031 goto done; | |
| 1032 default: | |
| 1033 ctx->header_start = p; | |
| 1034 state = sw_value; | |
| 1035 break; | |
| 1036 } | |
| 1037 break; | |
| 1038 | |
| 1039 /* header value */ | |
| 1040 case sw_value: | |
| 1041 switch (ch) { | |
| 1042 case ' ': | |
| 1043 ctx->header_end = p; | |
| 1044 state = sw_space_after_value; | |
| 1045 break; | |
| 1046 case CR: | |
| 1047 ctx->header_end = p; | |
| 1048 state = sw_almost_done; | |
| 1049 break; | |
| 1050 case LF: | |
| 1051 ctx->header_end = p; | |
| 1052 goto done; | |
| 1053 } | |
| 1054 break; | |
| 1055 | |
| 1056 /* space* before end of header line */ | |
| 1057 case sw_space_after_value: | |
| 1058 switch (ch) { | |
| 1059 case ' ': | |
| 1060 break; | |
| 1061 case CR: | |
| 1062 state = sw_almost_done; | |
| 1063 break; | |
| 1064 case LF: | |
| 1065 goto done; | |
| 1066 default: | |
| 1067 state = sw_value; | |
| 1068 break; | |
| 1069 } | |
| 1070 break; | |
| 1071 | |
| 1072 /* end of header line */ | |
| 1073 case sw_almost_done: | |
| 1074 switch (ch) { | |
| 1075 case LF: | |
| 1076 goto done; | |
| 1077 default: | |
| 1078 return NGX_ERROR; | |
| 1079 } | |
| 1080 | |
| 1081 /* end of header */ | |
| 1082 case sw_header_almost_done: | |
| 1083 switch (ch) { | |
| 1084 case LF: | |
| 1085 goto header_done; | |
| 1086 default: | |
| 1087 return NGX_ERROR; | |
| 1088 } | |
| 1089 } | |
| 1090 } | |
| 1091 | |
| 1092 ctx->response->pos = p; | |
| 1093 ctx->state = state; | |
| 1094 ctx->hash = hash; | |
| 1095 | |
| 1096 return NGX_AGAIN; | |
| 1097 | |
| 1098 done: | |
| 1099 | |
| 1100 ctx->response->pos = p + 1; | |
| 1101 ctx->state = sw_start; | |
| 1102 ctx->hash = hash; | |
| 1103 | |
| 1104 return NGX_OK; | |
| 1105 | |
| 1106 header_done: | |
| 1107 | |
| 1108 ctx->response->pos = p + 1; | |
| 1109 ctx->state = sw_start; | |
| 1110 | |
| 1111 return NGX_DONE; | |
| 521 | 1112 } |
| 1113 | |
| 1114 | |
| 1115 static void | |
| 1136 | 1116 ngx_mail_auth_http_block_read(ngx_event_t *rev) |
| 521 | 1117 { |
| 1118 ngx_connection_t *c; | |
| 1136 | 1119 ngx_mail_session_t *s; |
| 1120 ngx_mail_auth_http_ctx_t *ctx; | |
| 521 | 1121 |
| 1136 | 1122 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, |
| 1123 "mail auth http block read"); | |
| 521 | 1124 |
| 1125 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1126 c = rev->data; | |
| 1127 s = c->data; | |
| 1128 | |
| 1136 | 1129 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module); |
| 521 | 1130 |
| 525 | 1131 ngx_close_connection(ctx->peer.connection); |
| 547 | 1132 ngx_destroy_pool(ctx->pool); |
| 1136 | 1133 ngx_mail_session_internal_server_error(s); |
| 521 | 1134 } |
| 1135 } | |
| 1136 | |
| 1137 | |
| 1138 static void | |
| 1136 | 1139 ngx_mail_auth_http_dummy_handler(ngx_event_t *ev) |
| 521 | 1140 { |
| 1136 | 1141 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, ev->log, 0, |
| 1142 "mail auth http dummy handler"); | |
| 521 | 1143 } |
| 1144 | |
| 1145 | |
| 1146 static ngx_buf_t * | |
| 1136 | 1147 ngx_mail_auth_http_create_request(ngx_mail_session_t *s, ngx_pool_t *pool, |
| 1148 ngx_mail_auth_http_conf_t *ahcf) | |
| 521 | 1149 { |
| 1150 size_t len; | |
| 1151 ngx_buf_t *b; | |
| 633 | 1152 ngx_str_t login, passwd; |
| 1153 | |
| 1136 | 1154 if (ngx_mail_auth_http_escape(pool, &s->login, &login) != NGX_OK) { |
| 633 | 1155 return NULL; |
| 1156 } | |
| 1157 | |
| 1136 | 1158 if (ngx_mail_auth_http_escape(pool, &s->passwd, &passwd) != NGX_OK) { |
| 633 | 1159 return NULL; |
| 1160 } | |
| 521 | 1161 |
| 1162 len = sizeof("GET ") - 1 + ahcf->uri.len + sizeof(" HTTP/1.0" CRLF) - 1 | |
| 1163 + sizeof("Host: ") - 1 + ahcf->host_header.len + sizeof(CRLF) - 1 | |
|
856
0197d6aae54e
use correct auth method length
Igor Sysoev <igor@sysoev.ru>
parents:
854
diff
changeset
|
1164 + sizeof("Auth-Method: ") - 1 |
| 1136 | 1165 + ngx_mail_auth_http_method[s->auth_method].len |
|
856
0197d6aae54e
use correct auth method length
Igor Sysoev <igor@sysoev.ru>
parents:
854
diff
changeset
|
1166 + sizeof(CRLF) - 1 |
| 633 | 1167 + sizeof("Auth-User: ") - 1 + login.len + sizeof(CRLF) - 1 |
| 1168 + sizeof("Auth-Pass: ") - 1 + passwd.len + sizeof(CRLF) - 1 | |
| 800 | 1169 + sizeof("Auth-Salt: ") - 1 + s->salt.len |
| 521 | 1170 + sizeof("Auth-Protocol: imap" CRLF) - 1 |
| 527 | 1171 + sizeof("Auth-Login-Attempt: ") - 1 + NGX_INT_T_LEN |
| 1172 + sizeof(CRLF) - 1 | |
| 521 | 1173 + sizeof("Client-IP: ") - 1 + s->connection->addr_text.len |
| 1174 + sizeof(CRLF) - 1 | |
|
1285
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fix memory allocation for auth_http_header
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parents:
1166
diff
changeset
|
1175 + ahcf->header.len |
| 521 | 1176 + sizeof(CRLF) - 1; |
| 1177 | |
| 547 | 1178 b = ngx_create_temp_buf(pool, len); |
| 521 | 1179 if (b == NULL) { |
| 1180 return NULL; | |
| 1181 } | |
| 1182 | |
| 1183 b->last = ngx_cpymem(b->last, "GET ", sizeof("GET ") - 1); | |
| 573 | 1184 b->last = ngx_copy(b->last, ahcf->uri.data, ahcf->uri.len); |
| 521 | 1185 b->last = ngx_cpymem(b->last, " HTTP/1.0" CRLF, |
| 1186 sizeof(" HTTP/1.0" CRLF) - 1); | |
| 1187 | |
| 1188 b->last = ngx_cpymem(b->last, "Host: ", sizeof("Host: ") - 1); | |
| 573 | 1189 b->last = ngx_copy(b->last, ahcf->host_header.data, |
| 521 | 1190 ahcf->host_header.len); |
| 1191 *b->last++ = CR; *b->last++ = LF; | |
| 1192 | |
| 800 | 1193 b->last = ngx_cpymem(b->last, "Auth-Method: ", |
| 1194 sizeof("Auth-Method: ") - 1); | |
| 1195 b->last = ngx_cpymem(b->last, | |
| 1136 | 1196 ngx_mail_auth_http_method[s->auth_method].data, |
| 1197 ngx_mail_auth_http_method[s->auth_method].len); | |
| 800 | 1198 *b->last++ = CR; *b->last++ = LF; |
| 521 | 1199 |
| 1200 b->last = ngx_cpymem(b->last, "Auth-User: ", sizeof("Auth-User: ") - 1); | |
| 633 | 1201 b->last = ngx_copy(b->last, login.data, login.len); |
| 521 | 1202 *b->last++ = CR; *b->last++ = LF; |
| 1203 | |
| 1204 b->last = ngx_cpymem(b->last, "Auth-Pass: ", sizeof("Auth-Pass: ") - 1); | |
| 633 | 1205 b->last = ngx_copy(b->last, passwd.data, passwd.len); |
| 521 | 1206 *b->last++ = CR; *b->last++ = LF; |
| 1207 | |
| 1136 | 1208 if (s->auth_method != NGX_MAIL_AUTH_PLAIN && s->salt.len) { |
| 800 | 1209 b->last = ngx_cpymem(b->last, "Auth-Salt: ", sizeof("Auth-Salt: ") - 1); |
| 1210 b->last = ngx_copy(b->last, s->salt.data, s->salt.len); | |
| 1211 | |
| 1212 s->passwd.data = NULL; | |
| 1213 } | |
| 1214 | |
| 521 | 1215 b->last = ngx_cpymem(b->last, "Auth-Protocol: ", |
| 1216 sizeof("Auth-Protocol: ") - 1); | |
| 1136 | 1217 b->last = ngx_cpymem(b->last, ngx_mail_auth_http_protocol[s->protocol], |
| 521 | 1218 sizeof("imap") - 1); |
| 1219 *b->last++ = CR; *b->last++ = LF; | |
| 1220 | |
| 527 | 1221 b->last = ngx_sprintf(b->last, "Auth-Login-Attempt: %ui" CRLF, |
| 1222 s->login_attempt); | |
| 1223 | |
| 521 | 1224 b->last = ngx_cpymem(b->last, "Client-IP: ", sizeof("Client-IP: ") - 1); |
| 573 | 1225 b->last = ngx_copy(b->last, s->connection->addr_text.data, |
| 521 | 1226 s->connection->addr_text.len); |
| 1227 *b->last++ = CR; *b->last++ = LF; | |
| 1228 | |
| 573 | 1229 if (ahcf->header.len) { |
| 1230 b->last = ngx_copy(b->last, ahcf->header.data, ahcf->header.len); | |
| 1231 } | |
| 1232 | |
| 521 | 1233 /* add "\r\n" at the header end */ |
| 1234 *b->last++ = CR; *b->last++ = LF; | |
| 1235 | |
| 1136 | 1236 #if (NGX_DEBUG_MAIL_PASSWD) |
| 521 | 1237 { |
| 1238 ngx_str_t l; | |
| 1239 | |
| 1240 l.len = b->last - b->pos; | |
| 1241 l.data = b->pos; | |
| 1136 | 1242 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, |
| 1243 "mail auth http header:\n\"%V\"", &l); | |
| 521 | 1244 } |
| 1245 #endif | |
| 1246 | |
| 1247 return b; | |
| 1248 } | |
| 1249 | |
| 1250 | |
| 633 | 1251 static ngx_int_t |
| 1136 | 1252 ngx_mail_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, ngx_str_t *escaped) |
| 633 | 1253 { |
| 1254 u_char ch, *p; | |
| 1255 ngx_uint_t i, n; | |
| 1256 | |
| 1257 n = 0; | |
| 1258 | |
| 1259 for (i = 0; i < text->len; i++) { | |
| 1260 ch = text->data[i]; | |
| 1261 | |
| 1262 if (ch == CR || ch == LF) { | |
| 1263 n++; | |
| 1264 } | |
| 1265 } | |
| 1266 | |
| 1267 if (n == 0) { | |
| 1268 *escaped = *text; | |
| 1269 return NGX_OK; | |
| 1270 } | |
| 1271 | |
| 1272 escaped->len = text->len + n * 2; | |
| 1273 | |
| 1274 p = ngx_palloc(pool, escaped->len); | |
| 1275 if (p == NULL) { | |
| 1276 return NGX_ERROR; | |
| 1277 } | |
| 1278 | |
| 1279 escaped->data = p; | |
| 1280 | |
| 1281 for (i = 0; i < text->len; i++) { | |
| 1282 ch = text->data[i]; | |
| 1283 | |
| 1284 if (ch == CR) { | |
| 1285 *p++ = '%'; | |
| 1286 *p++ = '0'; | |
| 1287 *p++ = 'D'; | |
| 1288 continue; | |
| 1289 } | |
| 1290 | |
| 1291 if (ch == LF) { | |
| 1292 *p++ = '%'; | |
| 1293 *p++ = '0'; | |
| 1294 *p++ = 'A'; | |
| 1295 continue; | |
| 1296 } | |
| 1297 | |
| 1298 *p++ = ch; | |
| 1299 } | |
| 1300 | |
| 1301 return NGX_OK; | |
| 1302 } | |
| 1303 | |
| 1304 | |
| 521 | 1305 static void * |
| 1136 | 1306 ngx_mail_auth_http_create_conf(ngx_conf_t *cf) |
| 577 | 1307 { |
| 1136 | 1308 ngx_mail_auth_http_conf_t *ahcf; |
| 577 | 1309 |
| 1136 | 1310 ahcf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_auth_http_conf_t)); |
| 521 | 1311 if (ahcf == NULL) { |
| 1312 return NGX_CONF_ERROR; | |
| 1313 } | |
| 1314 | |
| 1315 ahcf->timeout = NGX_CONF_UNSET_MSEC; | |
| 1316 | |
| 1392 | 1317 ahcf->file = cf->conf_file->file.name.data; |
| 1318 ahcf->line = cf->conf_file->line; | |
| 1319 | |
| 521 | 1320 return ahcf; |
| 1321 } | |
| 1322 | |
| 1323 | |
| 1324 static char * | |
| 1136 | 1325 ngx_mail_auth_http_merge_conf(ngx_conf_t *cf, void *parent, void *child) |
| 521 | 1326 { |
| 1136 | 1327 ngx_mail_auth_http_conf_t *prev = parent; |
| 1328 ngx_mail_auth_http_conf_t *conf = child; | |
| 521 | 1329 |
| 573 | 1330 u_char *p; |
| 1331 size_t len; | |
| 1332 ngx_uint_t i; | |
| 1333 ngx_table_elt_t *header; | |
| 1334 | |
| 884 | 1335 if (conf->peer == NULL) { |
| 1336 conf->peer = prev->peer; | |
| 521 | 1337 conf->host_header = prev->host_header; |
| 1338 conf->uri = prev->uri; | |
| 1392 | 1339 |
| 1340 if (conf->peer == NULL) { | |
| 1341 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1342 "no \"http_auth\" is defined for server in %s:%ui", | |
| 1343 conf->file, conf->line); | |
| 1344 | |
| 1345 return NGX_CONF_ERROR; | |
| 1346 } | |
| 521 | 1347 } |
| 1348 | |
| 1349 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000); | |
| 1350 | |
| 573 | 1351 if (conf->headers == NULL) { |
| 1352 conf->headers = prev->headers; | |
| 1353 conf->header = prev->header; | |
| 1354 } | |
| 1355 | |
| 1356 if (conf->headers && conf->header.len == 0) { | |
| 1357 len = 0; | |
| 1358 header = conf->headers->elts; | |
| 1359 for (i = 0; i < conf->headers->nelts; i++) { | |
| 1360 len += header[i].key.len + 2 + header[i].value.len + 2; | |
| 1361 } | |
| 1362 | |
| 1363 p = ngx_palloc(cf->pool, len); | |
| 1364 if (p == NULL) { | |
| 1365 return NGX_CONF_ERROR; | |
| 1366 } | |
| 1367 | |
| 1368 conf->header.len = len; | |
| 1369 conf->header.data = p; | |
| 1370 | |
| 1371 for (i = 0; i < conf->headers->nelts; i++) { | |
| 1372 p = ngx_cpymem(p, header[i].key.data, header[i].key.len); | |
| 1373 *p++ = ':'; *p++ = ' '; | |
| 1374 p = ngx_cpymem(p, header[i].value.data, header[i].value.len); | |
| 1375 *p++ = CR; *p++ = LF; | |
| 1376 } | |
| 1377 } | |
| 1378 | |
| 521 | 1379 return NGX_CONF_OK; |
| 1380 } | |
| 1381 | |
| 1382 | |
| 1383 static char * | |
| 1136 | 1384 ngx_mail_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 577 | 1385 { |
| 1136 | 1386 ngx_mail_auth_http_conf_t *ahcf = conf; |
| 521 | 1387 |
|
805
8ee450f30c25
now the "auth_http" directive uses ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
800
diff
changeset
|
1388 ngx_str_t *value; |
|
8ee450f30c25
now the "auth_http" directive uses ngx_parse_url()
Igor Sysoev <igor@sysoev.ru>
parents:
800
diff
changeset
|
1389 ngx_url_t u; |
| 573 | 1390 |
| 521 | 1391 value = cf->args->elts; |
| 1392 | |
|
805
8ee450f30c25
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Igor Sysoev <igor@sysoev.ru>
parents:
800
diff
changeset
|
1393 ngx_memzero(&u, sizeof(ngx_url_t)); |
| 521 | 1394 |
|
805
8ee450f30c25
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Igor Sysoev <igor@sysoev.ru>
parents:
800
diff
changeset
|
1395 u.url = value[1]; |
| 906 | 1396 u.default_port = 80; |
|
805
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parents:
800
diff
changeset
|
1397 u.uri_part = 1; |
| 884 | 1398 u.one_addr = 1; |
| 577 | 1399 |
|
1391
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parents:
1390
diff
changeset
|
1400 if (ngx_strncmp(u.url.data, "http://", 7) == 0) { |
|
4eed21047e4d
allow "http://" in auth_http URL
Igor Sysoev <igor@sysoev.ru>
parents:
1390
diff
changeset
|
1401 u.url.len -= 7; |
|
4eed21047e4d
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Igor Sysoev <igor@sysoev.ru>
parents:
1390
diff
changeset
|
1402 u.url.data += 7; |
|
4eed21047e4d
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parents:
1390
diff
changeset
|
1403 } |
|
4eed21047e4d
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Igor Sysoev <igor@sysoev.ru>
parents:
1390
diff
changeset
|
1404 |
|
805
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parents:
800
diff
changeset
|
1405 if (ngx_parse_url(cf, &u) != NGX_OK) { |
|
8ee450f30c25
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Igor Sysoev <igor@sysoev.ru>
parents:
800
diff
changeset
|
1406 if (u.err) { |
|
8ee450f30c25
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parents:
800
diff
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|
1407 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
8ee450f30c25
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parents:
800
diff
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|
1408 "%s in auth_http \"%V\"", u.err, &u.url); |
|
8ee450f30c25
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parents:
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diff
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|
1409 } |
| 1390 | 1410 |
| 1411 return NGX_CONF_ERROR; | |
|
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|
1412 } |
| 521 | 1413 |
| 884 | 1414 ahcf->peer = u.addrs; |
| 521 | 1415 |
| 906 | 1416 ahcf->host_header = u.host; |
|
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|
1417 ahcf->uri = u.uri; |
| 521 | 1418 |
| 559 | 1419 if (ahcf->uri.len == 0) { |
| 555 | 1420 ahcf->uri.len = sizeof("/") - 1; |
| 1421 ahcf->uri.data = (u_char *) "/"; | |
| 1422 } | |
| 1423 | |
| 521 | 1424 return NGX_CONF_OK; |
| 1425 } | |
| 573 | 1426 |
| 1427 | |
| 1428 static char * | |
| 1136 | 1429 ngx_mail_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 577 | 1430 { |
| 1136 | 1431 ngx_mail_auth_http_conf_t *ahcf = conf; |
| 573 | 1432 |
| 1433 ngx_str_t *value; | |
| 1434 ngx_table_elt_t *header; | |
| 1435 | |
| 1436 if (ahcf->headers == NULL) { | |
| 1437 ahcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t)); | |
| 1438 if (ahcf->headers == NULL) { | |
| 1439 return NGX_CONF_ERROR; | |
| 1440 } | |
| 1441 } | |
| 1442 | |
| 1443 header = ngx_array_push(ahcf->headers); | |
| 1444 if (header == NULL) { | |
| 1445 return NGX_CONF_ERROR; | |
| 1446 } | |
| 1447 | |
| 1448 value = cf->args->elts; | |
| 1449 | |
| 1450 header->key = value[1]; | |
| 1451 header->value = value[2]; | |
| 1452 | |
| 1453 return NGX_CONF_OK; | |
| 1454 } |