| 1 | /************************************************* |
| 2 | * Exim - an Internet mail transport agent * |
| 3 | *************************************************/ |
| 4 | |
| 5 | /* Copyright (c) University of Cambridge 1995 - 2018 */ |
| 6 | /* See the file NOTICE for conditions of use and distribution. */ |
| 7 | |
| 8 | |
| 9 | #include "exim.h" |
| 10 | |
| 11 | #include <string.h> |
| 12 | |
| 13 | /* This module contains tables that define the lookup methods and drivers |
| 14 | that are actually included in the binary. Its contents are controlled by |
| 15 | various macros in config.h that ultimately come from Local/Makefile. They are |
| 16 | all described in src/EDITME. */ |
| 17 | |
| 18 | |
| 19 | lookup_info **lookup_list; |
| 20 | int lookup_list_count = 0; |
| 21 | |
| 22 | /* Table of information about all possible authentication mechanisms. All |
| 23 | entries are always present if any mechanism is declared, but the functions are |
| 24 | set to NULL for those that are not compiled into the binary. */ |
| 25 | |
| 26 | #ifdef AUTH_CRAM_MD5 |
| 27 | #include "auths/cram_md5.h" |
| 28 | #endif |
| 29 | |
| 30 | #ifdef AUTH_CYRUS_SASL |
| 31 | #include "auths/cyrus_sasl.h" |
| 32 | #endif |
| 33 | |
| 34 | #ifdef AUTH_DOVECOT |
| 35 | #include "auths/dovecot.h" |
| 36 | #endif |
| 37 | |
| 38 | #ifdef AUTH_EXTERNAL |
| 39 | #include "auths/external.h" |
| 40 | #endif |
| 41 | |
| 42 | #ifdef AUTH_GSASL |
| 43 | #include "auths/gsasl_exim.h" |
| 44 | #endif |
| 45 | |
| 46 | #ifdef AUTH_HEIMDAL_GSSAPI |
| 47 | #include "auths/heimdal_gssapi.h" |
| 48 | #endif |
| 49 | |
| 50 | #ifdef AUTH_PLAINTEXT |
| 51 | #include "auths/plaintext.h" |
| 52 | #endif |
| 53 | |
| 54 | #ifdef AUTH_SPA |
| 55 | #include "auths/spa.h" |
| 56 | #endif |
| 57 | |
| 58 | #ifdef AUTH_TLS |
| 59 | #include "auths/tls.h" |
| 60 | #endif |
| 61 | |
| 62 | auth_info auths_available[] = { |
| 63 | |
| 64 | /* Checking by an expansion condition on plain text */ |
| 65 | |
| 66 | #ifdef AUTH_CRAM_MD5 |
| 67 | { |
| 68 | .driver_name = US"cram_md5", /* lookup name */ |
| 69 | .options = auth_cram_md5_options, |
| 70 | .options_count = &auth_cram_md5_options_count, |
| 71 | .options_block = &auth_cram_md5_option_defaults, |
| 72 | .options_len = sizeof(auth_cram_md5_options_block), |
| 73 | .init = auth_cram_md5_init, |
| 74 | .servercode = auth_cram_md5_server, |
| 75 | .clientcode = auth_cram_md5_client, |
| 76 | .version_report = NULL, |
| 77 | .macros_create = NULL, |
| 78 | }, |
| 79 | #endif |
| 80 | |
| 81 | #ifdef AUTH_CYRUS_SASL |
| 82 | { |
| 83 | .driver_name = US"cyrus_sasl", |
| 84 | .options = auth_cyrus_sasl_options, |
| 85 | .options_count = &auth_cyrus_sasl_options_count, |
| 86 | .options_block = &auth_cyrus_sasl_option_defaults, |
| 87 | .options_len = sizeof(auth_cyrus_sasl_options_block), |
| 88 | .init = auth_cyrus_sasl_init, |
| 89 | .servercode = auth_cyrus_sasl_server, |
| 90 | .clientcode = NULL, |
| 91 | .version_report = auth_cyrus_sasl_version_report, |
| 92 | .macros_create = NULL, |
| 93 | }, |
| 94 | #endif |
| 95 | |
| 96 | #ifdef AUTH_DOVECOT |
| 97 | { |
| 98 | .driver_name = US"dovecot", |
| 99 | .options = auth_dovecot_options, |
| 100 | .options_count = &auth_dovecot_options_count, |
| 101 | .options_block = &auth_dovecot_option_defaults, |
| 102 | .options_len = sizeof(auth_dovecot_options_block), |
| 103 | .init = auth_dovecot_init, |
| 104 | .servercode = auth_dovecot_server, |
| 105 | .clientcode = NULL, |
| 106 | .version_report = NULL, |
| 107 | .macros_create = NULL, |
| 108 | }, |
| 109 | #endif |
| 110 | |
| 111 | #ifdef AUTH_EXTERNAL |
| 112 | { |
| 113 | .driver_name = US"external", |
| 114 | .options = auth_external_options, |
| 115 | .options_count = &auth_external_options_count, |
| 116 | .options_block = &auth_external_option_defaults, |
| 117 | .options_len = sizeof(auth_external_options_block), |
| 118 | .init = auth_external_init, |
| 119 | .servercode = auth_external_server, |
| 120 | .clientcode = auth_external_client, |
| 121 | .version_report = NULL, |
| 122 | .macros_create = NULL, |
| 123 | }, |
| 124 | #endif |
| 125 | |
| 126 | #ifdef AUTH_GSASL |
| 127 | { |
| 128 | .driver_name = US"gsasl", |
| 129 | .options = auth_gsasl_options, |
| 130 | .options_count = &auth_gsasl_options_count, |
| 131 | .options_block = &auth_gsasl_option_defaults, |
| 132 | .options_len = sizeof(auth_gsasl_options_block), |
| 133 | .init = auth_gsasl_init, |
| 134 | .servercode = auth_gsasl_server, |
| 135 | .clientcode = auth_gsasl_client, |
| 136 | .version_report = auth_gsasl_version_report, |
| 137 | .macros_create = auth_gsasl_macros, |
| 138 | }, |
| 139 | #endif |
| 140 | |
| 141 | #ifdef AUTH_HEIMDAL_GSSAPI |
| 142 | { |
| 143 | .driver_name = US"heimdal_gssapi", |
| 144 | .options = auth_heimdal_gssapi_options, |
| 145 | .options_count = &auth_heimdal_gssapi_options_count, |
| 146 | .options_block = &auth_heimdal_gssapi_option_defaults, |
| 147 | .options_len = sizeof(auth_heimdal_gssapi_options_block), |
| 148 | .init = auth_heimdal_gssapi_init, |
| 149 | .servercode = auth_heimdal_gssapi_server, |
| 150 | .clientcode = NULL, |
| 151 | .version_report = auth_heimdal_gssapi_version_report, |
| 152 | .macros_create = NULL, |
| 153 | }, |
| 154 | #endif |
| 155 | |
| 156 | #ifdef AUTH_PLAINTEXT |
| 157 | { |
| 158 | .driver_name = US"plaintext", |
| 159 | .options = auth_plaintext_options, |
| 160 | .options_count = &auth_plaintext_options_count, |
| 161 | .options_block = &auth_plaintext_option_defaults, |
| 162 | .options_len = sizeof(auth_plaintext_options_block), |
| 163 | .init = auth_plaintext_init, |
| 164 | .servercode = auth_plaintext_server, |
| 165 | .clientcode = auth_plaintext_client, |
| 166 | .version_report = NULL, |
| 167 | .macros_create = NULL, |
| 168 | }, |
| 169 | #endif |
| 170 | |
| 171 | #ifdef AUTH_SPA |
| 172 | { |
| 173 | .driver_name = US"spa", |
| 174 | .options = auth_spa_options, |
| 175 | .options_count = &auth_spa_options_count, |
| 176 | .options_block = &auth_spa_option_defaults, |
| 177 | .options_len = sizeof(auth_spa_options_block), |
| 178 | .init = auth_spa_init, |
| 179 | .servercode = auth_spa_server, |
| 180 | .clientcode = auth_spa_client, |
| 181 | .version_report = NULL, |
| 182 | .macros_create = NULL, |
| 183 | }, |
| 184 | #endif |
| 185 | |
| 186 | #ifdef AUTH_TLS |
| 187 | { |
| 188 | .driver_name = US"tls", |
| 189 | .options = auth_tls_options, |
| 190 | .options_count = &auth_tls_options_count, |
| 191 | .options_block = &auth_tls_option_defaults, |
| 192 | .options_len = sizeof(auth_tls_options_block), |
| 193 | .init = auth_tls_init, |
| 194 | .servercode = auth_tls_server, |
| 195 | .clientcode = NULL, |
| 196 | .version_report = NULL, |
| 197 | .macros_create = NULL, |
| 198 | }, |
| 199 | #endif |
| 200 | |
| 201 | { .driver_name = US"" } /* end marker */ |
| 202 | }; |
| 203 | |
| 204 | void |
| 205 | auth_show_supported(FILE * f) |
| 206 | { |
| 207 | fprintf(f, "Authenticators:"); |
| 208 | for (auth_info * ai = auths_available; ai->driver_name[0]; ai++) |
| 209 | fprintf(f, " %s", ai->driver_name); |
| 210 | fprintf(f, "\n"); |
| 211 | } |
| 212 | |
| 213 | |
| 214 | /* Tables of information about which routers and transports are included in the |
| 215 | exim binary. */ |
| 216 | |
| 217 | /* Pull in the necessary header files */ |
| 218 | |
| 219 | #include "routers/rf_functions.h" |
| 220 | |
| 221 | #ifdef ROUTER_ACCEPT |
| 222 | #include "routers/accept.h" |
| 223 | #endif |
| 224 | |
| 225 | #ifdef ROUTER_DNSLOOKUP |
| 226 | #include "routers/dnslookup.h" |
| 227 | #endif |
| 228 | |
| 229 | #ifdef ROUTER_MANUALROUTE |
| 230 | #include "routers/manualroute.h" |
| 231 | #endif |
| 232 | |
| 233 | #ifdef ROUTER_IPLITERAL |
| 234 | #include "routers/ipliteral.h" |
| 235 | #endif |
| 236 | |
| 237 | #ifdef ROUTER_IPLOOKUP |
| 238 | #include "routers/iplookup.h" |
| 239 | #endif |
| 240 | |
| 241 | #ifdef ROUTER_QUERYPROGRAM |
| 242 | #include "routers/queryprogram.h" |
| 243 | #endif |
| 244 | |
| 245 | #ifdef ROUTER_REDIRECT |
| 246 | #include "routers/redirect.h" |
| 247 | #endif |
| 248 | |
| 249 | #ifdef TRANSPORT_APPENDFILE |
| 250 | #include "transports/appendfile.h" |
| 251 | #endif |
| 252 | |
| 253 | #ifdef TRANSPORT_AUTOREPLY |
| 254 | #include "transports/autoreply.h" |
| 255 | #endif |
| 256 | |
| 257 | #ifdef TRANSPORT_LMTP |
| 258 | #include "transports/lmtp.h" |
| 259 | #endif |
| 260 | |
| 261 | #ifdef TRANSPORT_PIPE |
| 262 | #include "transports/pipe.h" |
| 263 | #endif |
| 264 | |
| 265 | #ifdef EXPERIMENTAL_QUEUEFILE |
| 266 | #include "transports/queuefile.h" |
| 267 | #endif |
| 268 | |
| 269 | #ifdef TRANSPORT_SMTP |
| 270 | #include "transports/smtp.h" |
| 271 | #endif |
| 272 | |
| 273 | |
| 274 | /* Now set up the structures, terminated by an entry with a null name. */ |
| 275 | |
| 276 | router_info routers_available[] = { |
| 277 | #ifdef ROUTER_ACCEPT |
| 278 | { |
| 279 | .driver_name = US"accept", |
| 280 | .options = accept_router_options, |
| 281 | .options_count = &accept_router_options_count, |
| 282 | .options_block = &accept_router_option_defaults, |
| 283 | .options_len = sizeof(accept_router_options_block), |
| 284 | .init = accept_router_init, |
| 285 | .code = accept_router_entry, |
| 286 | .tidyup = NULL, /* no tidyup entry */ |
| 287 | .ri_flags = ri_yestransport |
| 288 | }, |
| 289 | #endif |
| 290 | #ifdef ROUTER_DNSLOOKUP |
| 291 | { |
| 292 | .driver_name = US"dnslookup", |
| 293 | .options = dnslookup_router_options, |
| 294 | .options_count = &dnslookup_router_options_count, |
| 295 | .options_block = &dnslookup_router_option_defaults, |
| 296 | .options_len = sizeof(dnslookup_router_options_block), |
| 297 | .init = dnslookup_router_init, |
| 298 | .code = dnslookup_router_entry, |
| 299 | .tidyup = NULL, /* no tidyup entry */ |
| 300 | .ri_flags = ri_yestransport |
| 301 | }, |
| 302 | #endif |
| 303 | #ifdef ROUTER_IPLITERAL |
| 304 | { |
| 305 | .driver_name = US"ipliteral", |
| 306 | .options = ipliteral_router_options, |
| 307 | .options_count = &ipliteral_router_options_count, |
| 308 | .options_block = &ipliteral_router_option_defaults, |
| 309 | .options_len = sizeof(ipliteral_router_options_block), |
| 310 | .init = ipliteral_router_init, |
| 311 | .code = ipliteral_router_entry, |
| 312 | .tidyup = NULL, /* no tidyup entry */ |
| 313 | .ri_flags = ri_yestransport |
| 314 | }, |
| 315 | #endif |
| 316 | #ifdef ROUTER_IPLOOKUP |
| 317 | { |
| 318 | .driver_name = US"iplookup", |
| 319 | .options = iplookup_router_options, |
| 320 | .options_count = &iplookup_router_options_count, |
| 321 | .options_block = &iplookup_router_option_defaults, |
| 322 | .options_len = sizeof(iplookup_router_options_block), |
| 323 | .init = iplookup_router_init, |
| 324 | .code = iplookup_router_entry, |
| 325 | .tidyup = NULL, /* no tidyup entry */ |
| 326 | .ri_flags = ri_notransport |
| 327 | }, |
| 328 | #endif |
| 329 | #ifdef ROUTER_MANUALROUTE |
| 330 | { |
| 331 | .driver_name = US"manualroute", |
| 332 | .options = manualroute_router_options, |
| 333 | .options_count = &manualroute_router_options_count, |
| 334 | .options_block = &manualroute_router_option_defaults, |
| 335 | .options_len = sizeof(manualroute_router_options_block), |
| 336 | .init = manualroute_router_init, |
| 337 | .code = manualroute_router_entry, |
| 338 | .tidyup = NULL, /* no tidyup entry */ |
| 339 | .ri_flags = 0 |
| 340 | }, |
| 341 | #endif |
| 342 | #ifdef ROUTER_QUERYPROGRAM |
| 343 | { |
| 344 | .driver_name = US"queryprogram", |
| 345 | .options = queryprogram_router_options, |
| 346 | .options_count = &queryprogram_router_options_count, |
| 347 | .options_block = &queryprogram_router_option_defaults, |
| 348 | .options_len = sizeof(queryprogram_router_options_block), |
| 349 | .init = queryprogram_router_init, |
| 350 | .code = queryprogram_router_entry, |
| 351 | .tidyup = NULL, /* no tidyup entry */ |
| 352 | .ri_flags = 0 |
| 353 | }, |
| 354 | #endif |
| 355 | #ifdef ROUTER_REDIRECT |
| 356 | { |
| 357 | .driver_name = US"redirect", |
| 358 | .options = redirect_router_options, |
| 359 | .options_count = &redirect_router_options_count, |
| 360 | .options_block = &redirect_router_option_defaults, |
| 361 | .options_len = sizeof(redirect_router_options_block), |
| 362 | .init = redirect_router_init, |
| 363 | .code = redirect_router_entry, |
| 364 | .tidyup = NULL, /* no tidyup entry */ |
| 365 | .ri_flags = ri_notransport |
| 366 | }, |
| 367 | #endif |
| 368 | { US"" } |
| 369 | }; |
| 370 | |
| 371 | |
| 372 | void |
| 373 | route_show_supported(FILE * f) |
| 374 | { |
| 375 | fprintf(f, "Routers:"); |
| 376 | for (router_info * rr = routers_available; rr->driver_name[0]; rr++) |
| 377 | fprintf(f, " %s", rr->driver_name); |
| 378 | fprintf(f, "\n"); |
| 379 | } |
| 380 | |
| 381 | |
| 382 | |
| 383 | |
| 384 | transport_info transports_available[] = { |
| 385 | #ifdef TRANSPORT_APPENDFILE |
| 386 | { |
| 387 | .driver_name = US"appendfile", |
| 388 | .options = appendfile_transport_options, |
| 389 | .options_count = &appendfile_transport_options_count, |
| 390 | .options_block = &appendfile_transport_option_defaults, /* private options defaults */ |
| 391 | .options_len = sizeof(appendfile_transport_options_block), |
| 392 | .init = appendfile_transport_init, |
| 393 | .code = appendfile_transport_entry, |
| 394 | .tidyup = NULL, |
| 395 | .closedown = NULL, |
| 396 | .local = TRUE |
| 397 | }, |
| 398 | #endif |
| 399 | #ifdef TRANSPORT_AUTOREPLY |
| 400 | { |
| 401 | .driver_name = US"autoreply", |
| 402 | .options = autoreply_transport_options, |
| 403 | .options_count = &autoreply_transport_options_count, |
| 404 | .options_block = &autoreply_transport_option_defaults, |
| 405 | .options_len = sizeof(autoreply_transport_options_block), |
| 406 | .init = autoreply_transport_init, |
| 407 | .code = autoreply_transport_entry, |
| 408 | .tidyup = NULL, |
| 409 | .closedown = NULL, |
| 410 | .local = TRUE |
| 411 | }, |
| 412 | #endif |
| 413 | #ifdef TRANSPORT_LMTP |
| 414 | { |
| 415 | .driver_name = US"lmtp", |
| 416 | .options = lmtp_transport_options, |
| 417 | .options_count = &lmtp_transport_options_count, |
| 418 | .options_block = &lmtp_transport_option_defaults, |
| 419 | .options_len = sizeof(lmtp_transport_options_block), |
| 420 | .init = lmtp_transport_init, |
| 421 | .code = lmtp_transport_entry, |
| 422 | .tidyup = NULL, |
| 423 | .closedown = NULL, |
| 424 | .local = TRUE |
| 425 | }, |
| 426 | #endif |
| 427 | #ifdef TRANSPORT_PIPE |
| 428 | { |
| 429 | .driver_name = US"pipe", |
| 430 | .options = pipe_transport_options, |
| 431 | .options_count = &pipe_transport_options_count, |
| 432 | .options_block = &pipe_transport_option_defaults, |
| 433 | .options_len = sizeof(pipe_transport_options_block), |
| 434 | .init = pipe_transport_init, |
| 435 | .code = pipe_transport_entry, |
| 436 | .tidyup = NULL, |
| 437 | .closedown = NULL, |
| 438 | .local = TRUE |
| 439 | }, |
| 440 | #endif |
| 441 | #ifdef EXPERIMENTAL_QUEUEFILE |
| 442 | { |
| 443 | .driver_name = US"queuefile", |
| 444 | .options = queuefile_transport_options, |
| 445 | .options_count = &queuefile_transport_options_count, |
| 446 | .options_block = &queuefile_transport_option_defaults, |
| 447 | .options_len = sizeof(queuefile_transport_options_block), |
| 448 | .init = queuefile_transport_init, |
| 449 | .code = queuefile_transport_entry, |
| 450 | .tidyup = NULL, |
| 451 | .closedown = NULL, |
| 452 | .local = TRUE |
| 453 | }, |
| 454 | #endif |
| 455 | #ifdef TRANSPORT_SMTP |
| 456 | { |
| 457 | .driver_name = US"smtp", |
| 458 | .options = smtp_transport_options, |
| 459 | .options_count = &smtp_transport_options_count, |
| 460 | .options_block = &smtp_transport_option_defaults, |
| 461 | .options_len = sizeof(smtp_transport_options_block), |
| 462 | .init = smtp_transport_init, |
| 463 | .code = smtp_transport_entry, |
| 464 | .tidyup = NULL, |
| 465 | .closedown = smtp_transport_closedown, |
| 466 | .local = FALSE |
| 467 | }, |
| 468 | #endif |
| 469 | { US"" } |
| 470 | }; |
| 471 | |
| 472 | void |
| 473 | transport_show_supported(FILE * f) |
| 474 | { |
| 475 | fprintf(f, "Transports:"); |
| 476 | #ifdef TRANSPORT_APPENDFILE |
| 477 | fprintf(f, " appendfile"); |
| 478 | #ifdef SUPPORT_MAILDIR |
| 479 | fprintf(f, "/maildir"); /* damn these subclasses */ |
| 480 | #endif |
| 481 | #ifdef SUPPORT_MAILSTORE |
| 482 | fprintf(f, "/mailstore"); |
| 483 | #endif |
| 484 | #ifdef SUPPORT_MBX |
| 485 | fprintf(f, "/mbx"); |
| 486 | #endif |
| 487 | #endif |
| 488 | #ifdef TRANSPORT_AUTOREPLY |
| 489 | fprintf(f, " autoreply"); |
| 490 | #endif |
| 491 | #ifdef TRANSPORT_LMTP |
| 492 | fprintf(f, " lmtp"); |
| 493 | #endif |
| 494 | #ifdef TRANSPORT_PIPE |
| 495 | fprintf(f, " pipe"); |
| 496 | #endif |
| 497 | #ifdef EXPERIMENTAL_QUEUEFILE |
| 498 | fprintf(f, " queuefile"); |
| 499 | #endif |
| 500 | #ifdef TRANSPORT_SMTP |
| 501 | fprintf(f, " smtp"); |
| 502 | #endif |
| 503 | fprintf(f, "\n"); |
| 504 | } |
| 505 | |
| 506 | |
| 507 | #ifndef MACRO_PREDEF |
| 508 | |
| 509 | struct lookupmodulestr |
| 510 | { |
| 511 | void *dl; |
| 512 | struct lookup_module_info *info; |
| 513 | struct lookupmodulestr *next; |
| 514 | }; |
| 515 | |
| 516 | static struct lookupmodulestr *lookupmodules = NULL; |
| 517 | |
| 518 | static void |
| 519 | addlookupmodule(void *dl, struct lookup_module_info *info) |
| 520 | { |
| 521 | struct lookupmodulestr *p = store_get(sizeof(struct lookupmodulestr), FALSE); |
| 522 | |
| 523 | p->dl = dl; |
| 524 | p->info = info; |
| 525 | p->next = lookupmodules; |
| 526 | lookupmodules = p; |
| 527 | lookup_list_count += info->lookupcount; |
| 528 | } |
| 529 | |
| 530 | /* only valid after lookup_list and lookup_list_count are assigned */ |
| 531 | static void |
| 532 | add_lookup_to_list(lookup_info *info) |
| 533 | { |
| 534 | /* need to add the lookup to lookup_list, sorted */ |
| 535 | int pos = 0; |
| 536 | |
| 537 | /* strategy is to go through the list until we find |
| 538 | either an empty spot or a name that is higher. |
| 539 | this can't fail because we have enough space. */ |
| 540 | |
| 541 | while (lookup_list[pos] && (Ustrcmp(lookup_list[pos]->name, info->name) <= 0)) |
| 542 | pos++; |
| 543 | |
| 544 | if (lookup_list[pos]) |
| 545 | { |
| 546 | /* need to insert it, so move all the other items up |
| 547 | (last slot is still empty, of course) */ |
| 548 | |
| 549 | memmove(&lookup_list[pos+1], |
| 550 | &lookup_list[pos], |
| 551 | sizeof(lookup_info *) * (lookup_list_count-pos-1)); |
| 552 | } |
| 553 | lookup_list[pos] = info; |
| 554 | } |
| 555 | |
| 556 | |
| 557 | /* These need to be at file level for old versions of gcc (2.95.2 reported), |
| 558 | * which give parse errors on an extern in function scope. Each entry needs |
| 559 | * to also be invoked in init_lookup_list() below */ |
| 560 | |
| 561 | #if defined(LOOKUP_CDB) && LOOKUP_CDB!=2 |
| 562 | extern lookup_module_info cdb_lookup_module_info; |
| 563 | #endif |
| 564 | #if defined(LOOKUP_DBM) && LOOKUP_DBM!=2 |
| 565 | extern lookup_module_info dbmdb_lookup_module_info; |
| 566 | #endif |
| 567 | #if defined(LOOKUP_DNSDB) && LOOKUP_DNSDB!=2 |
| 568 | extern lookup_module_info dnsdb_lookup_module_info; |
| 569 | #endif |
| 570 | #if defined(LOOKUP_DSEARCH) && LOOKUP_DSEARCH!=2 |
| 571 | extern lookup_module_info dsearch_lookup_module_info; |
| 572 | #endif |
| 573 | #if defined(LOOKUP_IBASE) && LOOKUP_IBASE!=2 |
| 574 | extern lookup_module_info ibase_lookup_module_info; |
| 575 | #endif |
| 576 | #if defined(LOOKUP_JSON) |
| 577 | extern lookup_module_info json_lookup_module_info; |
| 578 | #endif |
| 579 | #if defined(LOOKUP_LDAP) |
| 580 | extern lookup_module_info ldap_lookup_module_info; |
| 581 | #endif |
| 582 | #if defined(LOOKUP_LSEARCH) && LOOKUP_LSEARCH!=2 |
| 583 | extern lookup_module_info lsearch_lookup_module_info; |
| 584 | #endif |
| 585 | #if defined(LOOKUP_MYSQL) && LOOKUP_MYSQL!=2 |
| 586 | extern lookup_module_info mysql_lookup_module_info; |
| 587 | #endif |
| 588 | #if defined(LOOKUP_NIS) && LOOKUP_NIS!=2 |
| 589 | extern lookup_module_info nis_lookup_module_info; |
| 590 | #endif |
| 591 | #if defined(LOOKUP_NISPLUS) && LOOKUP_NISPLUS!=2 |
| 592 | extern lookup_module_info nisplus_lookup_module_info; |
| 593 | #endif |
| 594 | #if defined(LOOKUP_ORACLE) && LOOKUP_ORACLE!=2 |
| 595 | extern lookup_module_info oracle_lookup_module_info; |
| 596 | #endif |
| 597 | #if defined(LOOKUP_PASSWD) && LOOKUP_PASSWD!=2 |
| 598 | extern lookup_module_info passwd_lookup_module_info; |
| 599 | #endif |
| 600 | #if defined(LOOKUP_PGSQL) && LOOKUP_PGSQL!=2 |
| 601 | extern lookup_module_info pgsql_lookup_module_info; |
| 602 | #endif |
| 603 | #if defined(LOOKUP_REDIS) && LOOKUP_REDIS!=2 |
| 604 | extern lookup_module_info redis_lookup_module_info; |
| 605 | #endif |
| 606 | #if defined(EXPERIMENTAL_LMDB) |
| 607 | extern lookup_module_info lmdb_lookup_module_info; |
| 608 | #endif |
| 609 | #if defined(SUPPORT_SPF) |
| 610 | extern lookup_module_info spf_lookup_module_info; |
| 611 | #endif |
| 612 | #if defined(LOOKUP_SQLITE) && LOOKUP_SQLITE!=2 |
| 613 | extern lookup_module_info sqlite_lookup_module_info; |
| 614 | #endif |
| 615 | #if defined(LOOKUP_TESTDB) && LOOKUP_TESTDB!=2 |
| 616 | extern lookup_module_info testdb_lookup_module_info; |
| 617 | #endif |
| 618 | #if defined(LOOKUP_WHOSON) && LOOKUP_WHOSON!=2 |
| 619 | extern lookup_module_info whoson_lookup_module_info; |
| 620 | #endif |
| 621 | |
| 622 | |
| 623 | void |
| 624 | init_lookup_list(void) |
| 625 | { |
| 626 | #ifdef LOOKUP_MODULE_DIR |
| 627 | DIR *dd; |
| 628 | struct dirent *ent; |
| 629 | int countmodules = 0; |
| 630 | int moduleerrors = 0; |
| 631 | #endif |
| 632 | static BOOL lookup_list_init_done = FALSE; |
| 633 | rmark reset_point; |
| 634 | |
| 635 | if (lookup_list_init_done) |
| 636 | return; |
| 637 | reset_point = store_mark(); |
| 638 | lookup_list_init_done = TRUE; |
| 639 | |
| 640 | #if defined(LOOKUP_CDB) && LOOKUP_CDB!=2 |
| 641 | addlookupmodule(NULL, &cdb_lookup_module_info); |
| 642 | #endif |
| 643 | |
| 644 | #if defined(LOOKUP_DBM) && LOOKUP_DBM!=2 |
| 645 | addlookupmodule(NULL, &dbmdb_lookup_module_info); |
| 646 | #endif |
| 647 | |
| 648 | #if defined(LOOKUP_DNSDB) && LOOKUP_DNSDB!=2 |
| 649 | addlookupmodule(NULL, &dnsdb_lookup_module_info); |
| 650 | #endif |
| 651 | |
| 652 | #if defined(LOOKUP_DSEARCH) && LOOKUP_DSEARCH!=2 |
| 653 | addlookupmodule(NULL, &dsearch_lookup_module_info); |
| 654 | #endif |
| 655 | |
| 656 | #if defined(LOOKUP_IBASE) && LOOKUP_IBASE!=2 |
| 657 | addlookupmodule(NULL, &ibase_lookup_module_info); |
| 658 | #endif |
| 659 | |
| 660 | #ifdef LOOKUP_LDAP |
| 661 | addlookupmodule(NULL, &ldap_lookup_module_info); |
| 662 | #endif |
| 663 | |
| 664 | #ifdef LOOKUP_JSON |
| 665 | addlookupmodule(NULL, &json_lookup_module_info); |
| 666 | #endif |
| 667 | |
| 668 | #if defined(LOOKUP_LSEARCH) && LOOKUP_LSEARCH!=2 |
| 669 | addlookupmodule(NULL, &lsearch_lookup_module_info); |
| 670 | #endif |
| 671 | |
| 672 | #if defined(LOOKUP_MYSQL) && LOOKUP_MYSQL!=2 |
| 673 | addlookupmodule(NULL, &mysql_lookup_module_info); |
| 674 | #endif |
| 675 | |
| 676 | #if defined(LOOKUP_NIS) && LOOKUP_NIS!=2 |
| 677 | addlookupmodule(NULL, &nis_lookup_module_info); |
| 678 | #endif |
| 679 | |
| 680 | #if defined(LOOKUP_NISPLUS) && LOOKUP_NISPLUS!=2 |
| 681 | addlookupmodule(NULL, &nisplus_lookup_module_info); |
| 682 | #endif |
| 683 | |
| 684 | #if defined(LOOKUP_ORACLE) && LOOKUP_ORACLE!=2 |
| 685 | addlookupmodule(NULL, &oracle_lookup_module_info); |
| 686 | #endif |
| 687 | |
| 688 | #if defined(LOOKUP_PASSWD) && LOOKUP_PASSWD!=2 |
| 689 | addlookupmodule(NULL, &passwd_lookup_module_info); |
| 690 | #endif |
| 691 | |
| 692 | #if defined(LOOKUP_PGSQL) && LOOKUP_PGSQL!=2 |
| 693 | addlookupmodule(NULL, &pgsql_lookup_module_info); |
| 694 | #endif |
| 695 | |
| 696 | #if defined(LOOKUP_REDIS) && LOOKUP_REDIS!=2 |
| 697 | addlookupmodule(NULL, &redis_lookup_module_info); |
| 698 | #endif |
| 699 | |
| 700 | #ifdef EXPERIMENTAL_LMDB |
| 701 | addlookupmodule(NULL, &lmdb_lookup_module_info); |
| 702 | #endif |
| 703 | |
| 704 | #ifdef SUPPORT_SPF |
| 705 | addlookupmodule(NULL, &spf_lookup_module_info); |
| 706 | #endif |
| 707 | |
| 708 | #if defined(LOOKUP_SQLITE) && LOOKUP_SQLITE!=2 |
| 709 | addlookupmodule(NULL, &sqlite_lookup_module_info); |
| 710 | #endif |
| 711 | |
| 712 | #if defined(LOOKUP_TESTDB) && LOOKUP_TESTDB!=2 |
| 713 | addlookupmodule(NULL, &testdb_lookup_module_info); |
| 714 | #endif |
| 715 | |
| 716 | #if defined(LOOKUP_WHOSON) && LOOKUP_WHOSON!=2 |
| 717 | addlookupmodule(NULL, &whoson_lookup_module_info); |
| 718 | #endif |
| 719 | |
| 720 | #ifdef LOOKUP_MODULE_DIR |
| 721 | dd = opendir(LOOKUP_MODULE_DIR); |
| 722 | if (dd == NULL) { |
| 723 | DEBUG(D_lookup) debug_printf("Couldn't open %s: not loading lookup modules\n", LOOKUP_MODULE_DIR); |
| 724 | log_write(0, LOG_MAIN, "Couldn't open %s: not loading lookup modules\n", LOOKUP_MODULE_DIR); |
| 725 | } |
| 726 | else { |
| 727 | const pcre *regex_islookupmod = regex_must_compile( |
| 728 | US"\\." DYNLIB_FN_EXT "$", FALSE, TRUE); |
| 729 | |
| 730 | DEBUG(D_lookup) debug_printf("Loading lookup modules from %s\n", LOOKUP_MODULE_DIR); |
| 731 | while ((ent = readdir(dd)) != NULL) { |
| 732 | char *name = ent->d_name; |
| 733 | int len = (int)strlen(name); |
| 734 | if (pcre_exec(regex_islookupmod, NULL, name, len, 0, PCRE_EOPT, NULL, 0) >= 0) { |
| 735 | int pathnamelen = len + (int)strlen(LOOKUP_MODULE_DIR) + 2; |
| 736 | void *dl; |
| 737 | struct lookup_module_info *info; |
| 738 | const char *errormsg; |
| 739 | |
| 740 | /* SRH: am I being paranoid here or what? */ |
| 741 | if (pathnamelen > big_buffer_size) { |
| 742 | fprintf(stderr, "Loading lookup modules: %s/%s: name too long\n", LOOKUP_MODULE_DIR, name); |
| 743 | log_write(0, LOG_MAIN|LOG_PANIC, "%s/%s: name too long\n", LOOKUP_MODULE_DIR, name); |
| 744 | continue; |
| 745 | } |
| 746 | |
| 747 | /* SRH: snprintf here? */ |
| 748 | sprintf(CS big_buffer, "%s/%s", LOOKUP_MODULE_DIR, name); |
| 749 | |
| 750 | dl = dlopen(CS big_buffer, RTLD_NOW);// TJ was LAZY |
| 751 | if (dl == NULL) { |
| 752 | fprintf(stderr, "Error loading %s: %s\n", name, dlerror()); |
| 753 | moduleerrors++; |
| 754 | log_write(0, LOG_MAIN|LOG_PANIC, "Error loading lookup module %s: %s\n", name, dlerror()); |
| 755 | continue; |
| 756 | } |
| 757 | |
| 758 | /* FreeBSD nsdispatch() can trigger dlerror() errors about |
| 759 | * _nss_cache_cycle_prevention_function; we need to clear the dlerror() |
| 760 | * state before calling dlsym(), so that any error afterwards only |
| 761 | * comes from dlsym(). |
| 762 | */ |
| 763 | errormsg = dlerror(); |
| 764 | |
| 765 | info = (struct lookup_module_info*) dlsym(dl, "_lookup_module_info"); |
| 766 | if ((errormsg = dlerror()) != NULL) { |
| 767 | fprintf(stderr, "%s does not appear to be a lookup module (%s)\n", name, errormsg); |
| 768 | dlclose(dl); |
| 769 | moduleerrors++; |
| 770 | log_write(0, LOG_MAIN|LOG_PANIC, "%s does not appear to be a lookup module (%s)\n", name, errormsg); |
| 771 | continue; |
| 772 | } |
| 773 | if (info->magic != LOOKUP_MODULE_INFO_MAGIC) { |
| 774 | fprintf(stderr, "Lookup module %s is not compatible with this version of Exim\n", name); |
| 775 | dlclose(dl); |
| 776 | moduleerrors++; |
| 777 | log_write(0, LOG_MAIN|LOG_PANIC, "Lookup module %s is not compatible with this version of Exim\n", name); |
| 778 | continue; |
| 779 | } |
| 780 | |
| 781 | addlookupmodule(dl, info); |
| 782 | DEBUG(D_lookup) debug_printf("Loaded \"%s\" (%d lookup types)\n", name, info->lookupcount); |
| 783 | countmodules++; |
| 784 | } |
| 785 | } |
| 786 | store_free((void*)regex_islookupmod); |
| 787 | closedir(dd); |
| 788 | } |
| 789 | |
| 790 | DEBUG(D_lookup) debug_printf("Loaded %d lookup modules\n", countmodules); |
| 791 | #endif |
| 792 | |
| 793 | DEBUG(D_lookup) debug_printf("Total %d lookups\n", lookup_list_count); |
| 794 | |
| 795 | lookup_list = store_malloc(sizeof(lookup_info *) * lookup_list_count); |
| 796 | memset(lookup_list, 0, sizeof(lookup_info *) * lookup_list_count); |
| 797 | |
| 798 | /* now add all lookups to the real list */ |
| 799 | for (struct lookupmodulestr * p = lookupmodules; p; p = p->next) |
| 800 | for (int j = 0; j < p->info->lookupcount; j++) |
| 801 | add_lookup_to_list(p->info->lookups[j]); |
| 802 | store_reset(reset_point); |
| 803 | /* just to be sure */ |
| 804 | lookupmodules = NULL; |
| 805 | } |
| 806 | |
| 807 | #endif /*!MACRO_PREDEF*/ |
| 808 | /* End of drtables.c */ |