constify
[exim.git] / src / src / drtables.c
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
f9ba5e22 5/* Copyright (c) University of Cambridge 1995 - 2018 */
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6/* See the file NOTICE for conditions of use and distribution. */
7
8
9#include "exim.h"
10
e6d225ae 11#include <string.h>
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12
13/* This module contains tables that define the lookup methods and drivers
14that are actually included in the binary. Its contents are controlled by
15various macros in config.h that ultimately come from Local/Makefile. They are
16all described in src/EDITME. */
17
18
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19lookup_info **lookup_list;
20int lookup_list_count = 0;
059ec3d9 21
4c04137d 22/* Table of information about all possible authentication mechanisms. All
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23entries are always present if any mechanism is declared, but the functions are
24set 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
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34#ifdef AUTH_DOVECOT
35#include "auths/dovecot.h"
36#endif
37
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38#ifdef AUTH_EXTERNAL
39#include "auths/external.h"
40#endif
41
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42#ifdef AUTH_GSASL
43#include "auths/gsasl_exim.h"
44#endif
45
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46#ifdef AUTH_HEIMDAL_GSSAPI
47#include "auths/heimdal_gssapi.h"
48#endif
49
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50#ifdef AUTH_PLAINTEXT
51#include "auths/plaintext.h"
52#endif
53
54#ifdef AUTH_SPA
55#include "auths/spa.h"
56#endif
57
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58#ifdef AUTH_TLS
59#include "auths/tls.h"
60#endif
61
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62auth_info auths_available[] = {
63
64/* Checking by an expansion condition on plain text */
65
66#ifdef AUTH_CRAM_MD5
67 {
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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,
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76 .version_report = NULL,
77 .macros_create = NULL,
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78 },
79#endif
80
81#ifdef AUTH_CYRUS_SASL
82 {
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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,
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91 .version_report = auth_cyrus_sasl_version_report,
92 .macros_create = NULL,
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93 },
94#endif
95
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96#ifdef AUTH_DOVECOT
97 {
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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,
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106 .version_report = NULL,
107 .macros_create = NULL,
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108 },
109#endif
110
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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,
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121 .version_report = NULL,
122 .macros_create = NULL,
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123 },
124#endif
125
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126#ifdef AUTH_GSASL
127 {
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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,
14a806d6 135 .clientcode = auth_gsasl_client,
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136 .version_report = auth_gsasl_version_report,
137 .macros_create = auth_gsasl_macros,
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138 },
139#endif
140
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141#ifdef AUTH_HEIMDAL_GSSAPI
142 {
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143 .driver_name = US"heimdal_gssapi",
144 .options = auth_heimdal_gssapi_options,
7be14582 145 .options_count = &auth_heimdal_gssapi_options_count,
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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,
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151 .version_report = auth_heimdal_gssapi_version_report,
152 .macros_create = NULL,
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153 },
154#endif
155
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156#ifdef AUTH_PLAINTEXT
157 {
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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,
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166 .version_report = NULL,
167 .macros_create = NULL,
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168 },
169#endif
170
171#ifdef AUTH_SPA
172 {
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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,
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181 .version_report = NULL,
182 .macros_create = NULL,
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183 },
184#endif
185
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186#ifdef AUTH_TLS
187 {
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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,
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196 .version_report = NULL,
197 .macros_create = NULL,
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198 },
199#endif
200
adf73d37 201 { .driver_name = US"" } /* end marker */
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202};
203
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204void
205auth_show_supported(FILE * f)
206{
adf73d37 207fprintf(f, "Authenticators:");
d7978c0f 208for (auth_info * ai = auths_available; ai->driver_name[0]; ai++)
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209 fprintf(f, " %s", ai->driver_name);
210fprintf(f, "\n");
211}
212
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213
214/* Tables of information about which routers and transports are included in the
215exim 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
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265#ifdef EXPERIMENTAL_QUEUEFILE
266#include "transports/queuefile.h"
267#endif
268
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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
276router_info routers_available[] = {
277#ifdef ROUTER_ACCEPT
278 {
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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
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288 },
289#endif
290#ifdef ROUTER_DNSLOOKUP
291 {
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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
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301 },
302#endif
303#ifdef ROUTER_IPLITERAL
304 {
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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
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314 },
315#endif
316#ifdef ROUTER_IPLOOKUP
317 {
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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
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327 },
328#endif
329#ifdef ROUTER_MANUALROUTE
330 {
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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
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340 },
341#endif
342#ifdef ROUTER_QUERYPROGRAM
343 {
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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
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353 },
354#endif
355#ifdef ROUTER_REDIRECT
356 {
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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
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366 },
367#endif
adf73d37 368 { US"" }
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369};
370
371
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372void
373route_show_supported(FILE * f)
374{
adf73d37 375fprintf(f, "Routers:");
d7978c0f 376for (router_info * rr = routers_available; rr->driver_name[0]; rr++)
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377 fprintf(f, " %s", rr->driver_name);
378fprintf(f, "\n");
379}
380
381
382
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383
384transport_info transports_available[] = {
385#ifdef TRANSPORT_APPENDFILE
386 {
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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
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397 },
398#endif
399#ifdef TRANSPORT_AUTOREPLY
400 {
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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
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411 },
412#endif
413#ifdef TRANSPORT_LMTP
414 {
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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
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425 },
426#endif
427#ifdef TRANSPORT_PIPE
428 {
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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
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439 },
440#endif
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441#ifdef EXPERIMENTAL_QUEUEFILE
442 {
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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
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453 },
454#endif
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455#ifdef TRANSPORT_SMTP
456 {
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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
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467 },
468#endif
adf73d37 469 { US"" }
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470};
471
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472void
473transport_show_supported(FILE * f)
474{
475fprintf(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
503fprintf(f, "\n");
504}
505
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506
507#ifndef MACRO_PREDEF
508
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509struct lookupmodulestr
510{
511 void *dl;
512 struct lookup_module_info *info;
513 struct lookupmodulestr *next;
514};
515
516static struct lookupmodulestr *lookupmodules = NULL;
517
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518static void
519addlookupmodule(void *dl, struct lookup_module_info *info)
e6d225ae 520{
f3ebb786 521struct lookupmodulestr *p = store_get(sizeof(struct lookupmodulestr), FALSE);
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522
523p->dl = dl;
524p->info = info;
525p->next = lookupmodules;
526lookupmodules = p;
527lookup_list_count += info->lookupcount;
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528}
529
530/* only valid after lookup_list and lookup_list_count are assigned */
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531static void
532add_lookup_to_list(lookup_info *info)
e6d225ae 533{
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534/* need to add the lookup to lookup_list, sorted */
535int pos = 0;
536
537/* strategy is to go through the list until we find
538either an empty spot or a name that is higher.
539this can't fail because we have enough space. */
540
541while (lookup_list[pos] && (Ustrcmp(lookup_list[pos]->name, info->name) <= 0))
542 pos++;
543
544if (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
d447dbd1 549 memmove(&lookup_list[pos+1], &lookup_list[pos],
96f5fe4c 550 sizeof(lookup_info *) * (lookup_list_count-pos-1));
e6d225ae 551 }
96f5fe4c 552lookup_list[pos] = info;
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553}
554
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555
556/* These need to be at file level for old versions of gcc (2.95.2 reported),
557 * which give parse errors on an extern in function scope. Each entry needs
558 * to also be invoked in init_lookup_list() below */
559
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560#if defined(LOOKUP_CDB) && LOOKUP_CDB!=2
561extern lookup_module_info cdb_lookup_module_info;
4d805ee9 562#endif
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563#if defined(LOOKUP_DBM) && LOOKUP_DBM!=2
564extern lookup_module_info dbmdb_lookup_module_info;
4d805ee9 565#endif
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566#if defined(LOOKUP_DNSDB) && LOOKUP_DNSDB!=2
567extern lookup_module_info dnsdb_lookup_module_info;
4d805ee9 568#endif
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569#if defined(LOOKUP_DSEARCH) && LOOKUP_DSEARCH!=2
570extern lookup_module_info dsearch_lookup_module_info;
4d805ee9 571#endif
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572#if defined(LOOKUP_IBASE) && LOOKUP_IBASE!=2
573extern lookup_module_info ibase_lookup_module_info;
4d805ee9 574#endif
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575#if defined(LOOKUP_JSON)
576extern lookup_module_info json_lookup_module_info;
577#endif
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578#if defined(LOOKUP_LDAP)
579extern lookup_module_info ldap_lookup_module_info;
de78e2d5 580#endif
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581#if defined(LOOKUP_LSEARCH) && LOOKUP_LSEARCH!=2
582extern lookup_module_info lsearch_lookup_module_info;
4d805ee9 583#endif
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584#if defined(LOOKUP_MYSQL) && LOOKUP_MYSQL!=2
585extern lookup_module_info mysql_lookup_module_info;
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586#endif
587#if defined(LOOKUP_NIS) && LOOKUP_NIS!=2
588extern lookup_module_info nis_lookup_module_info;
589#endif
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590#if defined(LOOKUP_NISPLUS) && LOOKUP_NISPLUS!=2
591extern lookup_module_info nisplus_lookup_module_info;
4d805ee9 592#endif
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593#if defined(LOOKUP_ORACLE) && LOOKUP_ORACLE!=2
594extern lookup_module_info oracle_lookup_module_info;
4d805ee9 595#endif
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596#if defined(LOOKUP_PASSWD) && LOOKUP_PASSWD!=2
597extern lookup_module_info passwd_lookup_module_info;
4d805ee9 598#endif
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599#if defined(LOOKUP_PGSQL) && LOOKUP_PGSQL!=2
600extern lookup_module_info pgsql_lookup_module_info;
4d805ee9 601#endif
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602#if defined(LOOKUP_REDIS) && LOOKUP_REDIS!=2
603extern lookup_module_info redis_lookup_module_info;
4d805ee9 604#endif
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605#if defined(EXPERIMENTAL_LMDB)
606extern lookup_module_info lmdb_lookup_module_info;
607#endif
7952eef9 608#if defined(SUPPORT_SPF)
78f72498 609extern lookup_module_info spf_lookup_module_info;
4d805ee9 610#endif
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611#if defined(LOOKUP_SQLITE) && LOOKUP_SQLITE!=2
612extern lookup_module_info sqlite_lookup_module_info;
4d805ee9 613#endif
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614#if defined(LOOKUP_TESTDB) && LOOKUP_TESTDB!=2
615extern lookup_module_info testdb_lookup_module_info;
616#endif
617#if defined(LOOKUP_WHOSON) && LOOKUP_WHOSON!=2
618extern lookup_module_info whoson_lookup_module_info;
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619#endif
620
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621
622void
623init_lookup_list(void)
e6d225ae 624{
fb2bba55 625#ifdef LOOKUP_MODULE_DIR
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626DIR *dd;
627struct dirent *ent;
628int countmodules = 0;
629int moduleerrors = 0;
fb2bba55 630#endif
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631static BOOL lookup_list_init_done = FALSE;
632rmark reset_point;
e6d225ae 633
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634if (lookup_list_init_done)
635 return;
636reset_point = store_mark();
637lookup_list_init_done = TRUE;
6545de78 638
e6d225ae 639#if defined(LOOKUP_CDB) && LOOKUP_CDB!=2
2fa25efc 640addlookupmodule(NULL, &cdb_lookup_module_info);
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641#endif
642
643#if defined(LOOKUP_DBM) && LOOKUP_DBM!=2
2fa25efc 644addlookupmodule(NULL, &dbmdb_lookup_module_info);
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645#endif
646
647#if defined(LOOKUP_DNSDB) && LOOKUP_DNSDB!=2
2fa25efc 648addlookupmodule(NULL, &dnsdb_lookup_module_info);
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649#endif
650
651#if defined(LOOKUP_DSEARCH) && LOOKUP_DSEARCH!=2
2fa25efc 652addlookupmodule(NULL, &dsearch_lookup_module_info);
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653#endif
654
655#if defined(LOOKUP_IBASE) && LOOKUP_IBASE!=2
2fa25efc 656addlookupmodule(NULL, &ibase_lookup_module_info);
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657#endif
658
659#ifdef LOOKUP_LDAP
2fa25efc 660addlookupmodule(NULL, &ldap_lookup_module_info);
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661#endif
662
ffc92d69 663#ifdef LOOKUP_JSON
2fa25efc 664addlookupmodule(NULL, &json_lookup_module_info);
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665#endif
666
e6d225ae 667#if defined(LOOKUP_LSEARCH) && LOOKUP_LSEARCH!=2
2fa25efc 668addlookupmodule(NULL, &lsearch_lookup_module_info);
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669#endif
670
671#if defined(LOOKUP_MYSQL) && LOOKUP_MYSQL!=2
2fa25efc 672addlookupmodule(NULL, &mysql_lookup_module_info);
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673#endif
674
675#if defined(LOOKUP_NIS) && LOOKUP_NIS!=2
2fa25efc 676addlookupmodule(NULL, &nis_lookup_module_info);
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677#endif
678
679#if defined(LOOKUP_NISPLUS) && LOOKUP_NISPLUS!=2
2fa25efc 680addlookupmodule(NULL, &nisplus_lookup_module_info);
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681#endif
682
683#if defined(LOOKUP_ORACLE) && LOOKUP_ORACLE!=2
2fa25efc 684addlookupmodule(NULL, &oracle_lookup_module_info);
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685#endif
686
687#if defined(LOOKUP_PASSWD) && LOOKUP_PASSWD!=2
2fa25efc 688addlookupmodule(NULL, &passwd_lookup_module_info);
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689#endif
690
691#if defined(LOOKUP_PGSQL) && LOOKUP_PGSQL!=2
2fa25efc 692addlookupmodule(NULL, &pgsql_lookup_module_info);
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693#endif
694
de78e2d5 695#if defined(LOOKUP_REDIS) && LOOKUP_REDIS!=2
2fa25efc 696addlookupmodule(NULL, &redis_lookup_module_info);
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697#endif
698
5bde3efa 699#ifdef EXPERIMENTAL_LMDB
2fa25efc 700addlookupmodule(NULL, &lmdb_lookup_module_info);
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701#endif
702
7952eef9 703#ifdef SUPPORT_SPF
2fa25efc 704addlookupmodule(NULL, &spf_lookup_module_info);
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705#endif
706
707#if defined(LOOKUP_SQLITE) && LOOKUP_SQLITE!=2
2fa25efc 708addlookupmodule(NULL, &sqlite_lookup_module_info);
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709#endif
710
711#if defined(LOOKUP_TESTDB) && LOOKUP_TESTDB!=2
2fa25efc 712addlookupmodule(NULL, &testdb_lookup_module_info);
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713#endif
714
715#if defined(LOOKUP_WHOSON) && LOOKUP_WHOSON!=2
2fa25efc 716addlookupmodule(NULL, &whoson_lookup_module_info);
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717#endif
718
719#ifdef LOOKUP_MODULE_DIR
54a2a2a9 720if (!(dd = exim_opendir(LOOKUP_MODULE_DIR)))
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721 {
722 DEBUG(D_lookup) debug_printf("Couldn't open %s: not loading lookup modules\n", LOOKUP_MODULE_DIR);
723 log_write(0, LOG_MAIN, "Couldn't open %s: not loading lookup modules\n", LOOKUP_MODULE_DIR);
e6d225ae 724 }
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725else
726 {
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)))
732 {
733 char *name = ent->d_name;
734 int len = (int)strlen(name);
735 if (pcre_exec(regex_islookupmod, NULL, name, len, 0, PCRE_EOPT, NULL, 0) >= 0)
736 {
737 int pathnamelen = len + (int)strlen(LOOKUP_MODULE_DIR) + 2;
738 void *dl;
739 struct lookup_module_info *info;
740 const char *errormsg;
741
742 /* SRH: am I being paranoid here or what? */
743 if (pathnamelen > big_buffer_size)
744 {
745 fprintf(stderr, "Loading lookup modules: %s/%s: name too long\n", LOOKUP_MODULE_DIR, name);
746 log_write(0, LOG_MAIN|LOG_PANIC, "%s/%s: name too long\n", LOOKUP_MODULE_DIR, name);
747 continue;
748 }
749
750 /* SRH: snprintf here? */
751 sprintf(CS big_buffer, "%s/%s", LOOKUP_MODULE_DIR, name);
752
753 if (!(dl = dlopen(CS big_buffer, RTLD_NOW)))
754 {
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755 errormsg = dlerror();
756 fprintf(stderr, "Error loading %s: %s\n", name, errormsg);
757 log_write(0, LOG_MAIN|LOG_PANIC, "Error loading lookup module %s: %s\n", name, errormsg);
2fa25efc 758 moduleerrors++;
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759 continue;
760 }
761
762 /* FreeBSD nsdispatch() can trigger dlerror() errors about
763 * _nss_cache_cycle_prevention_function; we need to clear the dlerror()
764 * state before calling dlsym(), so that any error afterwards only
765 * comes from dlsym().
766 */
767 errormsg = dlerror();
768
769 info = (struct lookup_module_info*) dlsym(dl, "_lookup_module_info");
770 if ((errormsg = dlerror()))
771 {
772 fprintf(stderr, "%s does not appear to be a lookup module (%s)\n", name, errormsg);
3fc07bd5 773 log_write(0, LOG_MAIN|LOG_PANIC, "%s does not appear to be a lookup module (%s)\n", name, errormsg);
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774 dlclose(dl);
775 moduleerrors++;
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776 continue;
777 }
778 if (info->magic != LOOKUP_MODULE_INFO_MAGIC)
779 {
780 fprintf(stderr, "Lookup module %s is not compatible with this version of Exim\n", name);
3fc07bd5 781 log_write(0, LOG_MAIN|LOG_PANIC, "Lookup module %s is not compatible with this version of Exim\n", name);
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782 dlclose(dl);
783 moduleerrors++;
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784 continue;
785 }
786
787 addlookupmodule(dl, info);
788 DEBUG(D_lookup) debug_printf("Loaded \"%s\" (%d lookup types)\n", name, info->lookupcount);
789 countmodules++;
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790 }
791 }
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792 store_free((void*)regex_islookupmod);
793 closedir(dd);
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794 }
795
2fa25efc 796DEBUG(D_lookup) debug_printf("Loaded %d lookup modules\n", countmodules);
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797#endif
798
2fa25efc 799DEBUG(D_lookup) debug_printf("Total %d lookups\n", lookup_list_count);
e6d225ae 800
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801lookup_list = store_malloc(sizeof(lookup_info *) * lookup_list_count);
802memset(lookup_list, 0, sizeof(lookup_info *) * lookup_list_count);
e6d225ae 803
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804/* now add all lookups to the real list */
805for (struct lookupmodulestr * p = lookupmodules; p; p = p->next)
806 for (int j = 0; j < p->info->lookupcount; j++)
807 add_lookup_to_list(p->info->lookups[j]);
808store_reset(reset_point);
809/* just to be sure */
810lookupmodules = NULL;
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811}
812
d185889f 813#endif /*!MACRO_PREDEF*/
059ec3d9 814/* End of drtables.c */