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DSN: Under EXPERIMENTAL_DSN_INFO add extras to bounce messages. Bug 1686
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2015 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36 };
37
38 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
39
40 /* An empty host aliases list. */
41
42 uschar *no_aliases = NULL;
43
44
45 /* For comments on these variables, see globals.h. I'm too idle to
46 duplicate them here... */
47
48 #ifdef EXIM_PERL
49 uschar *opt_perl_startup = NULL;
50 BOOL opt_perl_at_start = FALSE;
51 BOOL opt_perl_started = FALSE;
52 #endif
53
54 #ifdef EXPAND_DLFUNC
55 tree_node *dlobj_anchor = NULL;
56 #endif
57
58 #ifdef LOOKUP_IBASE
59 uschar *ibase_servers = NULL;
60 #endif
61
62 #ifdef LOOKUP_LDAP
63 uschar *eldap_ca_cert_dir = NULL;
64 uschar *eldap_ca_cert_file = NULL;
65 uschar *eldap_cert_file = NULL;
66 uschar *eldap_cert_key = NULL;
67 uschar *eldap_cipher_suite = NULL;
68 uschar *eldap_default_servers = NULL;
69 uschar *eldap_require_cert = NULL;
70 int eldap_version = -1;
71 BOOL eldap_start_tls = FALSE;
72 #endif
73
74 #ifdef LOOKUP_MYSQL
75 uschar *mysql_servers = NULL;
76 #endif
77
78 #ifdef LOOKUP_ORACLE
79 uschar *oracle_servers = NULL;
80 #endif
81
82 #ifdef LOOKUP_PGSQL
83 uschar *pgsql_servers = NULL;
84 #endif
85
86 #ifdef EXPERIMENTAL_REDIS
87 uschar *redis_servers = NULL;
88 #endif
89
90 #ifdef LOOKUP_SQLITE
91 int sqlite_lock_timeout = 5;
92 #endif
93
94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95 BOOL move_frozen_messages = FALSE;
96 #endif
97
98 /* These variables are outside the #ifdef because it keeps the code less
99 cluttered in several places (e.g. during logging) if we can always refer to
100 them. Also, the tls_ variables are now always visible. */
101
102 tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
106 #ifdef EXPERIMENTAL_DANE
107 FALSE,/* dane_verified */
108 0, /* tlsa_usage */
109 #endif
110 NULL, /* tls_cipher */
111 FALSE,/* tls_on_connect */
112 NULL, /* tls_on_connect_ports */
113 NULL, /* tls_ourcert */
114 NULL, /* tls_peercert */
115 NULL, /* tls_peerdn */
116 NULL, /* tls_sni */
117 0 /* tls_ocsp */
118 };
119 tls_support tls_out = {
120 -1, /* tls_active */
121 0, /* tls_bits */
122 FALSE,/* tls_certificate_verified */
123 #ifdef EXPERIMENTAL_DANE
124 FALSE,/* dane_verified */
125 0, /* tlsa_usage */
126 #endif
127 NULL, /* tls_cipher */
128 FALSE,/* tls_on_connect */
129 NULL, /* tls_on_connect_ports */
130 NULL, /* tls_ourcert */
131 NULL, /* tls_peercert */
132 NULL, /* tls_peerdn */
133 NULL, /* tls_sni */
134 0 /* tls_ocsp */
135 };
136
137 uschar *dsn_envid = NULL;
138 int dsn_ret = 0;
139 const pcre *regex_DSN = NULL;
140 BOOL smtp_use_dsn = FALSE;
141 uschar *dsn_advertise_hosts = NULL;
142
143 #ifdef SUPPORT_TLS
144 BOOL gnutls_compat_mode = FALSE;
145 BOOL gnutls_allow_auto_pkcs11 = FALSE;
146 uschar *gnutls_require_mac = NULL;
147 uschar *gnutls_require_kx = NULL;
148 uschar *gnutls_require_proto = NULL;
149 uschar *openssl_options = NULL;
150 const pcre *regex_STARTTLS = NULL;
151 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
152 uschar *tls_certificate = NULL;
153 uschar *tls_crl = NULL;
154 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
155 that's the interop problem which has been observed: GnuTLS suggesting a higher
156 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
157 int tls_dh_max_bits = 2236;
158 uschar *tls_dhparam = NULL;
159 uschar *tls_eccurve = US"prime256v1";
160 #ifndef DISABLE_OCSP
161 uschar *tls_ocsp_file = NULL;
162 #endif
163 BOOL tls_offered = FALSE;
164 uschar *tls_privatekey = NULL;
165 BOOL tls_remember_esmtp = FALSE;
166 uschar *tls_require_ciphers = NULL;
167 uschar *tls_try_verify_hosts = NULL;
168 uschar *tls_verify_certificates= US"system";
169 uschar *tls_verify_hosts = NULL;
170 #endif
171
172 #ifndef DISABLE_PRDR
173 /* Per Recipient Data Response variables */
174 BOOL prdr_enable = FALSE;
175 BOOL prdr_requested = FALSE;
176 const pcre *regex_PRDR = NULL;
177 #endif
178
179 #ifdef EXPERIMENTAL_INTERNATIONAL
180 const pcre *regex_UTF8 = NULL;
181 #endif
182
183 /* Input-reading functions for messages, so we can use special ones for
184 incoming TCP/IP. The defaults use stdin. We never need these for any
185 stand-alone tests. */
186
187 #ifndef STAND_ALONE
188 int (*receive_getc)(void) = stdin_getc;
189 int (*receive_ungetc)(int) = stdin_ungetc;
190 int (*receive_feof)(void) = stdin_feof;
191 int (*receive_ferror)(void) = stdin_ferror;
192 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
193 #endif
194
195
196 /* List of per-address expansion variables for clearing and saving/restoring
197 when verifying one address while routing/verifying another. We have to have
198 the size explicit, because it is referenced from more than one module. */
199
200 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
201 CUSS &deliver_address_data,
202 CUSS &deliver_domain,
203 CUSS &deliver_domain_data,
204 CUSS &deliver_domain_orig,
205 CUSS &deliver_domain_parent,
206 CUSS &deliver_localpart,
207 CUSS &deliver_localpart_data,
208 CUSS &deliver_localpart_orig,
209 CUSS &deliver_localpart_parent,
210 CUSS &deliver_localpart_prefix,
211 CUSS &deliver_localpart_suffix,
212 CUSS (uschar **)(&deliver_recipients),
213 CUSS &deliver_host,
214 CUSS &deliver_home,
215 CUSS &address_file,
216 CUSS &address_pipe,
217 CUSS &self_hostname,
218 NULL };
219
220 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
221
222 /* General global variables */
223
224 header_line *acl_added_headers = NULL;
225 tree_node *acl_anchor = NULL;
226 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
227 NULL, NULL, NULL, NULL};
228 int acl_narg = 0;
229
230 uschar *acl_not_smtp = NULL;
231 #ifdef WITH_CONTENT_SCAN
232 uschar *acl_not_smtp_mime = NULL;
233 #endif
234 uschar *acl_not_smtp_start = NULL;
235 uschar *acl_removed_headers = NULL;
236 uschar *acl_smtp_auth = NULL;
237 uschar *acl_smtp_connect = NULL;
238 uschar *acl_smtp_data = NULL;
239 #ifndef DISABLE_PRDR
240 uschar *acl_smtp_data_prdr = US"accept";
241 #endif
242 #ifndef DISABLE_DKIM
243 uschar *acl_smtp_dkim = NULL;
244 #endif
245 uschar *acl_smtp_etrn = NULL;
246 uschar *acl_smtp_expn = NULL;
247 uschar *acl_smtp_helo = NULL;
248 uschar *acl_smtp_mail = NULL;
249 uschar *acl_smtp_mailauth = NULL;
250 #ifdef WITH_CONTENT_SCAN
251 uschar *acl_smtp_mime = NULL;
252 #endif
253 uschar *acl_smtp_notquit = NULL;
254 uschar *acl_smtp_predata = NULL;
255 uschar *acl_smtp_quit = NULL;
256 uschar *acl_smtp_rcpt = NULL;
257 uschar *acl_smtp_starttls = NULL;
258 uschar *acl_smtp_vrfy = NULL;
259
260 BOOL acl_temp_details = FALSE;
261 tree_node *acl_var_c = NULL;
262 tree_node *acl_var_m = NULL;
263 uschar *acl_verify_message = NULL;
264 string_item *acl_warn_logged = NULL;
265
266 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
267 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
268
269 uschar *acl_wherenames[] = { US"RCPT",
270 US"MAIL",
271 US"PREDATA",
272 US"MIME",
273 US"DKIM",
274 US"DATA",
275 #ifndef DISABLE_PRDR
276 US"PRDR",
277 #endif
278 US"non-SMTP",
279 US"AUTH",
280 US"connection",
281 US"ETRN",
282 US"EXPN",
283 US"EHLO or HELO",
284 US"MAILAUTH",
285 US"non-SMTP-start",
286 US"NOTQUIT",
287 US"QUIT",
288 US"STARTTLS",
289 US"VRFY",
290 US"delivery",
291 US"unknown"
292 };
293
294 uschar *acl_wherecodes[] = { US"550", /* RCPT */
295 US"550", /* MAIL */
296 US"550", /* PREDATA */
297 US"550", /* MIME */
298 US"550", /* DKIM */
299 US"550", /* DATA */
300 #ifndef DISABLE_PRDR
301 US"550", /* RCPT PRDR */
302 #endif
303 US"0", /* not SMTP; not relevant */
304 US"503", /* AUTH */
305 US"550", /* connect */
306 US"458", /* ETRN */
307 US"550", /* EXPN */
308 US"550", /* HELO/EHLO */
309 US"0", /* MAILAUTH; not relevant */
310 US"0", /* not SMTP; not relevant */
311 US"0", /* NOTQUIT; not relevant */
312 US"0", /* QUIT; not relevant */
313 US"550", /* STARTTLS */
314 US"252", /* VRFY */
315 US"0", /* delivery; not relevant */
316 US"0" /* unknown; not relevant */
317 };
318
319 BOOL active_local_from_check = FALSE;
320 BOOL active_local_sender_retain = FALSE;
321 int body_8bitmime = 0;
322 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
323 address_item *addr_duplicate = NULL;
324
325 address_item address_defaults = {
326 NULL, /* next */
327 NULL, /* parent */
328 NULL, /* first */
329 NULL, /* dupof */
330 NULL, /* start_router */
331 NULL, /* router */
332 NULL, /* transport */
333 NULL, /* host_list */
334 NULL, /* host_used */
335 NULL, /* fallback_hosts */
336 NULL, /* reply */
337 NULL, /* retries */
338 NULL, /* address */
339 NULL, /* unique */
340 NULL, /* cc_local_part */
341 NULL, /* lc_local_part */
342 NULL, /* local_part */
343 NULL, /* prefix */
344 NULL, /* suffix */
345 NULL, /* domain */
346 NULL, /* address_retry_key */
347 NULL, /* domain_retry_key */
348 NULL, /* current_dir */
349 NULL, /* home_dir */
350 NULL, /* message */
351 NULL, /* user_message */
352 NULL, /* onetime_parent */
353 NULL, /* pipe_expandn */
354 NULL, /* return_filename */
355 NULL, /* self_hostname */
356 NULL, /* shadow_message */
357 #ifdef SUPPORT_TLS
358 NULL, /* cipher */
359 NULL, /* ourcert */
360 NULL, /* peercert */
361 NULL, /* peerdn */
362 OCSP_NOT_REQ, /* ocsp */
363 #endif
364 #ifdef EXPERIMENTAL_DSN_INFO
365 NULL, /* smtp_greeting */
366 NULL, /* helo_response */
367 #endif
368 NULL, /* authenticator */
369 NULL, /* auth_id */
370 NULL, /* auth_sndr */
371 NULL, /* dsn_orcpt */
372 0, /* dsn_flags */
373 0, /* dsn_aware */
374 (uid_t)(-1), /* uid */
375 (gid_t)(-1), /* gid */
376 0, /* flags */
377 { 0 }, /* domain_cache - any larger array should be zeroed */
378 { 0 }, /* localpart_cache - ditto */
379 -1, /* mode */
380 0, /* more_errno */
381 ERRNO_UNKNOWNERROR, /* basic_errno */
382 0, /* child_count */
383 -1, /* return_file */
384 SPECIAL_NONE, /* special_action */
385 DEFER, /* transport_return */
386 { /* fields that are propagated to children */
387 NULL, /* address_data */
388 NULL, /* domain_data */
389 NULL, /* localpart_data */
390 NULL, /* errors_address */
391 NULL, /* extra_headers */
392 NULL, /* remove_headers */
393 #ifdef EXPERIMENTAL_SRS
394 NULL, /* srs_sender */
395 #endif
396 #ifdef EXPERIMENTAL_INTERNATIONAL
397 FALSE, /* utf8 */
398 #endif
399 }
400 };
401
402 uschar *address_file = NULL;
403 uschar *address_pipe = NULL;
404 BOOL address_test_mode = FALSE;
405 tree_node *addresslist_anchor = NULL;
406 int addresslist_count = 0;
407 gid_t *admin_groups = NULL;
408 BOOL admin_user = FALSE;
409 BOOL allow_auth_unadvertised= FALSE;
410 BOOL allow_domain_literals = FALSE;
411 BOOL allow_mx_to_ip = FALSE;
412 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
413 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
414 BOOL allow_utf8_domains = FALSE;
415 uschar *authenticated_fail_id = NULL;
416 uschar *authenticated_id = NULL;
417 uschar *authenticated_sender = NULL;
418 BOOL authentication_failed = FALSE;
419 auth_instance *auths = NULL;
420 uschar *auth_advertise_hosts = US"*";
421 auth_instance auth_defaults = {
422 NULL, /* chain pointer */
423 NULL, /* name */
424 NULL, /* info */
425 NULL, /* private options block pointer */
426 NULL, /* driver_name */
427 NULL, /* advertise_condition */
428 NULL, /* client_condition */
429 NULL, /* public_name */
430 NULL, /* set_id */
431 NULL, /* set_client_id */
432 NULL, /* server_mail_auth_condition */
433 NULL, /* server_debug_string */
434 NULL, /* server_condition */
435 FALSE, /* client */
436 FALSE, /* server */
437 FALSE /* advertised */
438 };
439
440 uschar *auth_defer_msg = US"reason not recorded";
441 uschar *auth_defer_user_msg = US"";
442 uschar *auth_vars[AUTH_VARS];
443 int auto_thaw = 0;
444 #ifdef WITH_CONTENT_SCAN
445 BOOL av_failed = FALSE;
446 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
447 #endif
448
449 BOOL background_daemon = TRUE;
450
451 #if BASE_62 == 62
452 uschar *base62_chars=
453 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
454 #else
455 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
456 #endif
457
458 uschar *bi_command = NULL;
459 uschar *big_buffer = NULL;
460 int big_buffer_size = BIG_BUFFER_SIZE;
461 #ifdef EXPERIMENTAL_BRIGHTMAIL
462 uschar *bmi_alt_location = NULL;
463 uschar *bmi_base64_tracker_verdict = NULL;
464 uschar *bmi_base64_verdict = NULL;
465 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
466 int bmi_deliver = 1;
467 int bmi_run = 0;
468 uschar *bmi_verdicts = NULL;
469 #endif
470 int body_linecount = 0;
471 int body_zerocount = 0;
472 uschar *bounce_message_file = NULL;
473 uschar *bounce_message_text = NULL;
474 uschar *bounce_recipient = NULL;
475 BOOL bounce_return_body = TRUE;
476 BOOL bounce_return_message = TRUE;
477 int bounce_return_size_limit = 100*1024;
478 uschar *bounce_sender_authentication = NULL;
479 int bsmtp_transaction_linecount = 0;
480
481 int callout_cache_domain_positive_expire = 7*24*60*60;
482 int callout_cache_domain_negative_expire = 3*60*60;
483 int callout_cache_positive_expire = 24*60*60;
484 int callout_cache_negative_expire = 2*60*60;
485 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
486 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
487 int check_log_inodes = 0;
488 int check_log_space = 0;
489 BOOL check_rfc2047_length = TRUE;
490 int check_spool_inodes = 0;
491 int check_spool_space = 0;
492 uschar *client_authenticator = NULL;
493 uschar *client_authenticated_id = NULL;
494 uschar *client_authenticated_sender = NULL;
495 int clmacro_count = 0;
496 uschar *clmacros[MAX_CLMACROS];
497 BOOL config_changed = FALSE;
498 FILE *config_file = NULL;
499 uschar *config_filename = NULL;
500 int config_lineno = 0;
501 #ifdef CONFIGURE_GROUP
502 gid_t config_gid = CONFIGURE_GROUP;
503 #endif
504 uschar *config_main_filelist = US CONFIGURE_FILE
505 "\0<-----------Space to patch configure_filename->";
506 uschar *config_main_filename = NULL;
507 uschar *config_main_directory = NULL;
508
509 #ifdef CONFIGURE_OWNER
510 uid_t config_uid = CONFIGURE_OWNER;
511 #endif
512
513 int connection_max_messages= -1;
514 uschar *continue_hostname = NULL;
515 uschar *continue_host_address = NULL;
516 BOOL continue_more = FALSE;
517 int continue_sequence = 1;
518 uschar *continue_transport = NULL;
519
520 uschar *csa_status = NULL;
521 cut_t cutthrough = {
522 FALSE, /* delivery: when to attempt */
523 -1, /* fd: open connection */
524 0, /* nrcpt: number of addresses */
525 };
526
527 BOOL daemon_listen = FALSE;
528 uschar *daemon_smtp_port = US"smtp";
529 int daemon_startup_retries = 9;
530 int daemon_startup_sleep = 30;
531
532 #ifdef EXPERIMENTAL_DCC
533 BOOL dcc_direct_add_header = FALSE;
534 uschar *dcc_header = NULL;
535 uschar *dcc_result = NULL;
536 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
537 uschar *dccifd_options = US"header";
538 #endif
539
540 BOOL debug_daemon = FALSE;
541 int debug_fd = -1;
542 FILE *debug_file = NULL;
543 int debug_notall[] = {
544 Di_memory,
545 -1
546 };
547 bit_table debug_options[] = { /* must be in alphabetical order */
548 BIT_TABLE(D, acl),
549 BIT_TABLE(D, all),
550 BIT_TABLE(D, auth),
551 BIT_TABLE(D, deliver),
552 BIT_TABLE(D, dns),
553 BIT_TABLE(D, dnsbl),
554 BIT_TABLE(D, exec),
555 BIT_TABLE(D, expand),
556 BIT_TABLE(D, filter),
557 BIT_TABLE(D, hints_lookup),
558 BIT_TABLE(D, host_lookup),
559 BIT_TABLE(D, ident),
560 BIT_TABLE(D, interface),
561 BIT_TABLE(D, lists),
562 BIT_TABLE(D, load),
563 BIT_TABLE(D, local_scan),
564 BIT_TABLE(D, lookup),
565 BIT_TABLE(D, memory),
566 BIT_TABLE(D, pid),
567 BIT_TABLE(D, process_info),
568 BIT_TABLE(D, queue_run),
569 BIT_TABLE(D, receive),
570 BIT_TABLE(D, resolver),
571 BIT_TABLE(D, retry),
572 BIT_TABLE(D, rewrite),
573 BIT_TABLE(D, route),
574 BIT_TABLE(D, timestamp),
575 BIT_TABLE(D, tls),
576 BIT_TABLE(D, transport),
577 BIT_TABLE(D, uid),
578 BIT_TABLE(D, verify),
579 };
580 int debug_options_count = nelem(debug_options);
581
582 unsigned int debug_selector = 0;
583 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
584 uschar *delay_warning_condition=
585 US"${if or {"
586 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
587 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
588 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
589 "} {no}{yes}}";
590 BOOL delivery_date_remove = TRUE;
591 uschar *deliver_address_data = NULL;
592 int deliver_datafile = -1;
593 const uschar *deliver_domain = NULL;
594 uschar *deliver_domain_data = NULL;
595 const uschar *deliver_domain_orig = NULL;
596 const uschar *deliver_domain_parent = NULL;
597 BOOL deliver_drop_privilege = FALSE;
598 BOOL deliver_firsttime = FALSE;
599 BOOL deliver_force = FALSE;
600 BOOL deliver_freeze = FALSE;
601 time_t deliver_frozen_at = 0;
602 uschar *deliver_home = NULL;
603 const uschar *deliver_host = NULL;
604 const uschar *deliver_host_address = NULL;
605 int deliver_host_port = 0;
606 uschar *deliver_in_buffer = NULL;
607 ino_t deliver_inode = 0;
608 uschar *deliver_localpart = NULL;
609 uschar *deliver_localpart_data = NULL;
610 uschar *deliver_localpart_orig = NULL;
611 uschar *deliver_localpart_parent = NULL;
612 uschar *deliver_localpart_prefix = NULL;
613 uschar *deliver_localpart_suffix = NULL;
614 BOOL deliver_force_thaw = FALSE;
615 BOOL deliver_manual_thaw = FALSE;
616 uschar *deliver_out_buffer = NULL;
617 int deliver_queue_load_max = -1;
618 address_item *deliver_recipients = NULL;
619 uschar *deliver_selectstring = NULL;
620 BOOL deliver_selectstring_regex = FALSE;
621 uschar *deliver_selectstring_sender = NULL;
622 BOOL deliver_selectstring_sender_regex = FALSE;
623 #ifdef WITH_OLD_DEMIME
624 int demime_errorlevel = 0;
625 int demime_ok = 0;
626 uschar *demime_reason = NULL;
627 #endif
628 BOOL disable_callout_flush = FALSE;
629 BOOL disable_delay_flush = FALSE;
630 #ifdef ENABLE_DISABLE_FSYNC
631 BOOL disable_fsync = FALSE;
632 #endif
633 BOOL disable_ipv6 = FALSE;
634 BOOL disable_logging = FALSE;
635
636 #ifndef DISABLE_DKIM
637 uschar *dkim_cur_signer = NULL;
638 uschar *dkim_signers = NULL;
639 uschar *dkim_signing_domain = NULL;
640 uschar *dkim_signing_selector = NULL;
641 uschar *dkim_verify_signers = US"$dkim_signers";
642 BOOL dkim_collect_input = FALSE;
643 BOOL dkim_disable_verify = FALSE;
644 #endif
645 #ifdef EXPERIMENTAL_DMARC
646 BOOL dmarc_has_been_checked = FALSE;
647 uschar *dmarc_ar_header = NULL;
648 uschar *dmarc_domain_policy = NULL;
649 uschar *dmarc_forensic_sender = NULL;
650 uschar *dmarc_history_file = NULL;
651 uschar *dmarc_status = NULL;
652 uschar *dmarc_status_text = NULL;
653 uschar *dmarc_tld_file = NULL;
654 uschar *dmarc_used_domain = NULL;
655 BOOL dmarc_disable_verify = FALSE;
656 BOOL dmarc_enable_forensic = FALSE;
657 #endif
658
659 uschar *dns_again_means_nonexist = NULL;
660 int dns_csa_search_limit = 5;
661 BOOL dns_csa_use_reverse = TRUE;
662 #ifdef EXPERIMENTAL_DANE
663 int dns_dane_ok = -1;
664 #endif
665 uschar *dns_ipv4_lookup = NULL;
666 int dns_retrans = 0;
667 int dns_retry = 0;
668 int dns_dnssec_ok = -1; /* <0 = not coerced */
669 uschar *dns_trust_aa = NULL;
670 int dns_use_edns0 = -1; /* <0 = not coerced */
671 uschar *dnslist_domain = NULL;
672 uschar *dnslist_matched = NULL;
673 uschar *dnslist_text = NULL;
674 uschar *dnslist_value = NULL;
675 tree_node *domainlist_anchor = NULL;
676 int domainlist_count = 0;
677 BOOL dont_deliver = FALSE;
678 BOOL dot_ends = TRUE;
679 BOOL drop_cr = FALSE; /* No longer used */
680 uschar *dsn_from = US DEFAULT_DSN_FROM;
681
682 BOOL enable_dollar_recipients = FALSE;
683 BOOL envelope_to_remove = TRUE;
684 int errno_quota = ERRNO_QUOTA;
685 uschar *errors_copy = NULL;
686 int error_handling = ERRORS_SENDER;
687 uschar *errors_reply_to = NULL;
688 int errors_sender_rc = EXIT_FAILURE;
689 #ifdef EXPERIMENTAL_EVENT
690 uschar *event_action = NULL; /* expansion for delivery events */
691 uschar *event_data = NULL; /* auxilary data variable for event */
692 int event_defer_errno = 0;
693 const uschar *event_name = NULL; /* event name variable */
694 #endif
695
696
697 gid_t exim_gid = EXIM_GID;
698 BOOL exim_gid_set = TRUE; /* This gid is always set */
699 uschar *exim_path = US BIN_DIRECTORY "/exim"
700 "\0<---------------Space to patch exim_path->";
701 uid_t exim_uid = EXIM_UID;
702 BOOL exim_uid_set = TRUE; /* This uid is always set */
703 int expand_forbid = 0;
704 int expand_nlength[EXPAND_MAXN+1];
705 int expand_nmax = -1;
706 uschar *expand_nstring[EXPAND_MAXN+1];
707 BOOL expand_string_forcedfail = FALSE;
708 uschar *expand_string_message;
709 BOOL extract_addresses_remove_arguments = TRUE;
710 uschar *extra_local_interfaces = NULL;
711
712 int fake_response = OK;
713 uschar *fake_response_text = US"Your message has been rejected but is "
714 "being kept for evaluation.\nIf it was a "
715 "legitimate message, it may still be "
716 "delivered to the target recipient(s).";
717 int filter_n[FILTER_VARIABLE_COUNT];
718 BOOL filter_running = FALSE;
719 int filter_sn[FILTER_VARIABLE_COUNT];
720 int filter_test = FTEST_NONE;
721 uschar *filter_test_sfile = NULL;
722 uschar *filter_test_ufile = NULL;
723 uschar *filter_thisaddress = NULL;
724 int finduser_retries = 0;
725 #ifdef WITH_OLD_DEMIME
726 uschar *found_extension = NULL;
727 #endif
728 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
729 uschar *freeze_tell = NULL;
730 uschar *freeze_tell_config = NULL;
731 uschar *fudged_queue_times = US"";
732
733 uschar *gecos_name = NULL;
734 uschar *gecos_pattern = NULL;
735 rewrite_rule *global_rewrite_rules = NULL;
736
737 uschar *headers_charset = US HEADERS_CHARSET;
738 int header_insert_maxlen = 64 * 1024;
739 header_line *header_last = NULL;
740 header_line *header_list = NULL;
741 int header_maxsize = HEADER_MAXSIZE;
742 int header_line_maxsize = 0;
743
744 header_name header_names[] = {
745 { US"bcc", 3, TRUE, htype_bcc },
746 { US"cc", 2, TRUE, htype_cc },
747 { US"date", 4, TRUE, htype_date },
748 { US"delivery-date", 13, FALSE, htype_delivery_date },
749 { US"envelope-to", 11, FALSE, htype_envelope_to },
750 { US"from", 4, TRUE, htype_from },
751 { US"message-id", 10, TRUE, htype_id },
752 { US"received", 8, FALSE, htype_received },
753 { US"reply-to", 8, FALSE, htype_reply_to },
754 { US"return-path", 11, FALSE, htype_return_path },
755 { US"sender", 6, TRUE, htype_sender },
756 { US"subject", 7, FALSE, htype_subject },
757 { US"to", 2, TRUE, htype_to }
758 };
759
760 int header_names_size = sizeof(header_names)/sizeof(header_name);
761
762 BOOL header_rewritten = FALSE;
763 uschar *helo_accept_junk_hosts = NULL;
764 uschar *helo_allow_chars = US"";
765 uschar *helo_lookup_domains = US"@ : @[]";
766 uschar *helo_try_verify_hosts = NULL;
767 BOOL helo_verified = FALSE;
768 BOOL helo_verify_failed = FALSE;
769 uschar *helo_verify_hosts = NULL;
770 const uschar *hex_digits = CUS"0123456789abcdef";
771 uschar *hold_domains = NULL;
772 BOOL host_checking = FALSE;
773 BOOL host_checking_callout = FALSE;
774 uschar *host_data = NULL;
775 BOOL host_find_failed_syntax= FALSE;
776 uschar *host_lookup = NULL;
777 BOOL host_lookup_deferred = FALSE;
778 BOOL host_lookup_failed = FALSE;
779 uschar *host_lookup_order = US"bydns:byaddr";
780 uschar *host_lookup_msg = US"";
781 int host_number = 0;
782 uschar *host_number_string = NULL;
783 uschar *host_reject_connection = NULL;
784 tree_node *hostlist_anchor = NULL;
785 int hostlist_count = 0;
786 uschar *hosts_treat_as_local = NULL;
787 uschar *hosts_connection_nolog = NULL;
788
789 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
790 BOOL ignore_fromline_local = FALSE;
791 uschar *ignore_fromline_hosts = NULL;
792 BOOL inetd_wait_mode = FALSE;
793 int inetd_wait_timeout = -1;
794 uschar *interface_address = NULL;
795 int interface_port = -1;
796 BOOL is_inetd = FALSE;
797 uschar *iterate_item = NULL;
798
799 int journal_fd = -1;
800
801 int keep_malformed = 4*24*60*60; /* 4 days */
802
803 uschar *eldap_dn = NULL;
804 int load_average = -2;
805 BOOL local_error_message = FALSE;
806 BOOL local_from_check = TRUE;
807 uschar *local_from_prefix = NULL;
808 uschar *local_from_suffix = NULL;
809
810 #if HAVE_IPV6
811 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
812 #else
813 uschar *local_interfaces = US"0.0.0.0";
814 #endif
815
816 uschar *local_scan_data = NULL;
817 int local_scan_timeout = 5*60;
818 BOOL local_sender_retain = FALSE;
819 gid_t local_user_gid = (gid_t)(-1);
820 uid_t local_user_uid = (uid_t)(-1);
821
822 tree_node *localpartlist_anchor= NULL;
823 int localpartlist_count = 0;
824 uschar *log_buffer = NULL;
825
826 int log_default[] = { /* for initializing log_selector */
827 Li_acl_warn_skipped,
828 Li_connection_reject,
829 Li_delay_delivery,
830 Li_dnslist_defer,
831 Li_etrn,
832 Li_host_lookup_failed,
833 Li_lost_incoming_connection,
834 Li_outgoing_interface, /* see d_log_interface in deliver.c */
835 Li_queue_run,
836 Li_rejected_header,
837 Li_retry_defer,
838 Li_sender_verify_fail,
839 Li_size_reject,
840 Li_skip_delivery,
841 Li_smtp_confirmation,
842 Li_tls_certificate_verified,
843 Li_tls_cipher,
844 -1
845 };
846
847 uschar *log_file_path = US LOG_FILE_PATH
848 "\0<--------------Space to patch log_file_path->";
849
850 int log_notall[] = {
851 -1
852 };
853 bit_table log_options[] = { /* must be in alphabetical order */
854 BIT_TABLE(L, 8bitmime),
855 BIT_TABLE(L, acl_warn_skipped),
856 BIT_TABLE(L, address_rewrite),
857 BIT_TABLE(L, all),
858 BIT_TABLE(L, all_parents),
859 BIT_TABLE(L, arguments),
860 BIT_TABLE(L, connection_reject),
861 BIT_TABLE(L, delay_delivery),
862 BIT_TABLE(L, deliver_time),
863 BIT_TABLE(L, delivery_size),
864 BIT_TABLE(L, dnslist_defer),
865 BIT_TABLE(L, etrn),
866 BIT_TABLE(L, host_lookup_failed),
867 BIT_TABLE(L, ident_timeout),
868 BIT_TABLE(L, incoming_interface),
869 BIT_TABLE(L, incoming_port),
870 BIT_TABLE(L, lost_incoming_connection),
871 BIT_TABLE(L, outgoing_interface),
872 BIT_TABLE(L, outgoing_port),
873 BIT_TABLE(L, pid),
874 #ifdef EXPERIMENTAL_PROXY
875 BIT_TABLE(L, proxy),
876 #endif
877 BIT_TABLE(L, queue_run),
878 BIT_TABLE(L, queue_time),
879 BIT_TABLE(L, queue_time_overall),
880 BIT_TABLE(L, received_recipients),
881 BIT_TABLE(L, received_sender),
882 BIT_TABLE(L, rejected_header),
883 { US"rejected_headers", Li_rejected_header },
884 BIT_TABLE(L, retry_defer),
885 BIT_TABLE(L, return_path_on_delivery),
886 BIT_TABLE(L, sender_on_delivery),
887 BIT_TABLE(L, sender_verify_fail),
888 BIT_TABLE(L, size_reject),
889 BIT_TABLE(L, skip_delivery),
890 BIT_TABLE(L, smtp_confirmation),
891 BIT_TABLE(L, smtp_connection),
892 BIT_TABLE(L, smtp_incomplete_transaction),
893 BIT_TABLE(L, smtp_mailauth),
894 BIT_TABLE(L, smtp_no_mail),
895 BIT_TABLE(L, smtp_protocol_error),
896 BIT_TABLE(L, smtp_syntax_error),
897 BIT_TABLE(L, subject),
898 BIT_TABLE(L, tls_certificate_verified),
899 BIT_TABLE(L, tls_cipher),
900 BIT_TABLE(L, tls_peerdn),
901 BIT_TABLE(L, tls_sni),
902 BIT_TABLE(L, unknown_in_list),
903 };
904 int log_options_count = nelem(log_options);
905
906 int log_reject_target = 0;
907 unsigned int log_selector[log_selector_size]; /* initialized in main() */
908 uschar *log_selector_string = NULL;
909 FILE *log_stderr = NULL;
910 BOOL log_testing_mode = FALSE;
911 BOOL log_timezone = FALSE;
912 uschar *login_sender_address = NULL;
913 uschar *lookup_dnssec_authenticated = NULL;
914 int lookup_open_max = 25;
915 uschar *lookup_value = NULL;
916
917 macro_item *macros = NULL;
918 uschar *mailstore_basename = NULL;
919 #ifdef WITH_CONTENT_SCAN
920 uschar *malware_name = NULL; /* Virus Name */
921 #endif
922 int max_received_linelength= 0;
923 int max_username_length = 0;
924 int message_age = 0;
925 uschar *message_body = NULL;
926 uschar *message_body_end = NULL;
927 BOOL message_body_newlines = FALSE;
928 int message_body_size = 0;
929 int message_body_visible = 500;
930 int message_ended = END_NOTSTARTED;
931 uschar *message_headers = NULL;
932 uschar *message_id;
933 uschar *message_id_domain = NULL;
934 uschar *message_id_text = NULL;
935 struct timeval message_id_tv = { 0, 0 };
936 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
937 uschar *message_id_external;
938 int message_linecount = 0;
939 BOOL message_logs = TRUE;
940 int message_size = 0;
941 uschar *message_size_limit = US"50M";
942 #ifdef EXPERIMENTAL_INTERNATIONAL
943 BOOL message_smtputf8 = FALSE;
944 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
945 #endif
946 uschar message_subdir[2] = { 0, 0 };
947 uschar *message_reference = NULL;
948
949 /* MIME ACL expandables */
950 #ifdef WITH_CONTENT_SCAN
951 int mime_anomaly_level = 0;
952 const uschar *mime_anomaly_text = NULL;
953 uschar *mime_boundary = NULL;
954 uschar *mime_charset = NULL;
955 uschar *mime_content_description = NULL;
956 uschar *mime_content_disposition = NULL;
957 uschar *mime_content_id = NULL;
958 unsigned int mime_content_size = 0;
959 uschar *mime_content_transfer_encoding = NULL;
960 uschar *mime_content_type = NULL;
961 uschar *mime_decoded_filename = NULL;
962 uschar *mime_filename = NULL;
963 int mime_is_multipart = 0;
964 int mime_is_coverletter = 0;
965 int mime_is_rfc822 = 0;
966 int mime_part_count = -1;
967 #endif
968
969 BOOL mua_wrapper = FALSE;
970
971 uid_t *never_users = NULL;
972 #ifdef WITH_CONTENT_SCAN
973 BOOL no_mbox_unspool = FALSE;
974 #endif
975 BOOL no_multiline_responses = FALSE;
976
977 uid_t original_euid;
978 gid_t originator_gid;
979 uschar *originator_login = NULL;
980 uschar *originator_name = NULL;
981 uid_t originator_uid;
982 uschar *override_local_interfaces = NULL;
983 uschar *override_pid_file_path = NULL;
984
985 BOOL parse_allow_group = FALSE;
986 BOOL parse_found_group = FALSE;
987 uschar *percent_hack_domains = NULL;
988 uschar *pid_file_path = US PID_FILE_PATH
989 "\0<--------------Space to patch pid_file_path->";
990 BOOL pipelining_enable = TRUE;
991 uschar *pipelining_advertise_hosts = US"*";
992 BOOL preserve_message_logs = FALSE;
993 uschar *primary_hostname = NULL;
994 BOOL print_topbitchars = FALSE;
995 uschar process_info[PROCESS_INFO_SIZE];
996 int process_info_len = 0;
997 uschar *process_log_path = NULL;
998 BOOL prod_requires_admin = TRUE;
999
1000 #ifdef EXPERIMENTAL_PROXY
1001 uschar *proxy_host_address = US"";
1002 int proxy_host_port = 0;
1003 uschar *proxy_required_hosts = US"";
1004 BOOL proxy_session = FALSE;
1005 BOOL proxy_session_failed = FALSE;
1006 uschar *proxy_target_address = US"";
1007 int proxy_target_port = 0;
1008 #endif
1009
1010 uschar *prvscheck_address = NULL;
1011 uschar *prvscheck_keynum = NULL;
1012 uschar *prvscheck_result = NULL;
1013
1014
1015 const uschar *qualify_domain_recipient = NULL;
1016 uschar *qualify_domain_sender = NULL;
1017 BOOL queue_2stage = FALSE;
1018 uschar *queue_domains = NULL;
1019 int queue_interval = -1;
1020 BOOL queue_list_requires_admin = TRUE;
1021 BOOL queue_only = FALSE;
1022 uschar *queue_only_file = NULL;
1023 int queue_only_load = -1;
1024 BOOL queue_only_load_latch = TRUE;
1025 BOOL queue_only_override = TRUE;
1026 BOOL queue_only_policy = FALSE;
1027 BOOL queue_run_first_delivery = FALSE;
1028 BOOL queue_run_force = FALSE;
1029 BOOL queue_run_in_order = FALSE;
1030 BOOL queue_run_local = FALSE;
1031 int queue_run_max = 5;
1032 pid_t queue_run_pid = (pid_t)0;
1033 int queue_run_pipe = -1;
1034 BOOL queue_running = FALSE;
1035 BOOL queue_smtp = FALSE;
1036 uschar *queue_smtp_domains = NULL;
1037
1038 unsigned int random_seed = 0;
1039 tree_node *ratelimiters_cmd = NULL;
1040 tree_node *ratelimiters_conn = NULL;
1041 tree_node *ratelimiters_mail = NULL;
1042 uschar *raw_active_hostname = NULL;
1043 uschar *raw_sender = NULL;
1044 uschar **raw_recipients = NULL;
1045 int raw_recipients_count = 0;
1046
1047 int rcpt_count = 0;
1048 int rcpt_fail_count = 0;
1049 int rcpt_defer_count = 0;
1050 gid_t real_gid;
1051 uid_t real_uid;
1052 BOOL really_exim = TRUE;
1053 BOOL receive_call_bombout = FALSE;
1054 int receive_linecount = 0;
1055 int receive_messagecount = 0;
1056 int receive_timeout = 0;
1057 int received_count = 0;
1058 uschar *received_for = NULL;
1059
1060 /* This is the default text for Received headers generated by Exim. The
1061 date will be automatically added on the end. */
1062
1063 uschar *received_header_text = US
1064 "Received: "
1065 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1066 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1067 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1068 "by $primary_hostname "
1069 "${if def:received_protocol {with $received_protocol}} "
1070 #ifdef SUPPORT_TLS
1071 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1072 #endif
1073 "(Exim $version_number)\n\t"
1074 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1075 "id $message_exim_id"
1076 "${if def:received_for {\n\tfor $received_for}}"
1077 "\0<---------------Space to patch received_header_text->";
1078
1079 int received_headers_max = 30;
1080 uschar *received_protocol = NULL;
1081 int received_time = 0;
1082 uschar *recipient_data = NULL;
1083 uschar *recipient_unqualified_hosts = NULL;
1084 uschar *recipient_verify_failure = NULL;
1085 int recipients_count = 0;
1086 BOOL recipients_discarded = FALSE;
1087 recipient_item *recipients_list = NULL;
1088 int recipients_list_max = 0;
1089 int recipients_max = 0;
1090 BOOL recipients_max_reject = FALSE;
1091 const pcre *regex_AUTH = NULL;
1092 const pcre *regex_check_dns_names = NULL;
1093 const pcre *regex_From = NULL;
1094 const pcre *regex_IGNOREQUOTA = NULL;
1095 const pcre *regex_PIPELINING = NULL;
1096 const pcre *regex_SIZE = NULL;
1097 const pcre *regex_ismsgid = NULL;
1098 const pcre *regex_smtp_code = NULL;
1099 uschar *regex_vars[REGEX_VARS];
1100 #ifdef WHITELIST_D_MACROS
1101 const pcre *regex_whitelisted_macro = NULL;
1102 #endif
1103 #ifdef WITH_CONTENT_SCAN
1104 uschar *regex_match_string = NULL;
1105 #endif
1106 int remote_delivery_count = 0;
1107 int remote_max_parallel = 2;
1108 uschar *remote_sort_domains = NULL;
1109 int retry_data_expire = 7*24*60*60;
1110 int retry_interval_max = 24*60*60;
1111 int retry_maximum_timeout = 0; /* set from retry config */
1112 retry_config *retries = NULL;
1113 uschar *return_path = NULL;
1114 BOOL return_path_remove = TRUE;
1115 int rewrite_existflags = 0;
1116 uschar *rfc1413_hosts = US"@[]";
1117 int rfc1413_query_timeout = 0;
1118 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1119 uid_t root_gid = ROOT_GID;
1120 uid_t root_uid = ROOT_UID;
1121
1122 router_instance *routers = NULL;
1123 router_instance router_defaults = {
1124 NULL, /* chain pointer */
1125 NULL, /* name */
1126 NULL, /* info */
1127 NULL, /* private options block pointer */
1128 NULL, /* driver name */
1129
1130 NULL, /* address_data */
1131 #ifdef EXPERIMENTAL_BRIGHTMAIL
1132 NULL, /* bmi_rule */
1133 #endif
1134 NULL, /* cannot_route_message */
1135 NULL, /* condition */
1136 NULL, /* current_directory */
1137 NULL, /* debug_string */
1138 NULL, /* domains */
1139 NULL, /* errors_to */
1140 NULL, /* expand_gid */
1141 NULL, /* expand_uid */
1142 NULL, /* expand_more */
1143 NULL, /* expand_unseen */
1144 NULL, /* extra_headers */
1145 NULL, /* fallback_hosts */
1146 NULL, /* home_directory */
1147 NULL, /* ignore_target_hosts */
1148 NULL, /* local_parts */
1149 NULL, /* pass_router_name */
1150 NULL, /* prefix */
1151 NULL, /* redirect_router_name */
1152 NULL, /* remove_headers */
1153 NULL, /* require_files */
1154 NULL, /* router_home_directory */
1155 US"freeze", /* self */
1156 NULL, /* senders */
1157 NULL, /* suffix */
1158 NULL, /* translate_ip_address */
1159 NULL, /* transport_name */
1160
1161 TRUE, /* address_test */
1162 #ifdef EXPERIMENTAL_BRIGHTMAIL
1163 FALSE, /* bmi_deliver_alternate */
1164 FALSE, /* bmi_deliver_default */
1165 FALSE, /* bmi_dont_deliver */
1166 #endif
1167 TRUE, /* expn */
1168 FALSE, /* caseful_local_part */
1169 FALSE, /* check_local_user */
1170 FALSE, /* disable_logging */
1171 FALSE, /* fail_verify_recipient */
1172 FALSE, /* fail_verify_sender */
1173 FALSE, /* gid_set */
1174 FALSE, /* initgroups */
1175 TRUE_UNSET, /* log_as_local */
1176 TRUE, /* more */
1177 FALSE, /* pass_on_timeout */
1178 FALSE, /* prefix_optional */
1179 TRUE, /* repeat_use */
1180 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1181 FALSE, /* same_domain_copy_routing */
1182 FALSE, /* self_rewrite */
1183 FALSE, /* suffix_optional */
1184 FALSE, /* verify_only */
1185 TRUE, /* verify_recipient */
1186 TRUE, /* verify_sender */
1187 FALSE, /* uid_set */
1188 FALSE, /* unseen */
1189 FALSE, /* dsn_lasthop */
1190
1191 self_freeze, /* self_code */
1192 (uid_t)(-1), /* uid */
1193 (gid_t)(-1), /* gid */
1194
1195 NULL, /* fallback_hostlist */
1196 NULL, /* transport instance */
1197 NULL, /* pass_router */
1198 NULL, /* redirect_router */
1199
1200 { NULL, NULL }, /* dnssec_domains {require,request} */
1201 };
1202
1203 uschar *router_name = NULL;
1204
1205 ip_address_item *running_interfaces = NULL;
1206 BOOL running_in_test_harness = FALSE;
1207
1208 /* This is a weird one. The following string gets patched in the binary by the
1209 script that sets up a copy of Exim for running in the test harness. It seems
1210 that compilers are now clever, and share constant strings if they can.
1211 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1212 make use of the end of this string in order to save space. So the patching then
1213 wrecks this. We defeat this optimization by adding some additional characters
1214 onto the end of the string. */
1215
1216 uschar *running_status = US">>>running<<<" "\0EXTRA";
1217
1218 int runrc = 0;
1219
1220 uschar *search_error_message = NULL;
1221 BOOL search_find_defer = FALSE;
1222 uschar *self_hostname = NULL;
1223 uschar *sender_address = NULL;
1224 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1225 uschar *sender_address_data = NULL;
1226 BOOL sender_address_forced = FALSE;
1227 uschar *sender_address_unrewritten = NULL;
1228 uschar *sender_data = NULL;
1229 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1230 uschar *sender_fullhost = NULL;
1231 BOOL sender_helo_dnssec = FALSE;
1232 uschar *sender_helo_name = NULL;
1233 uschar **sender_host_aliases = &no_aliases;
1234 uschar *sender_host_address = NULL;
1235 uschar *sender_host_authenticated = NULL;
1236 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1237 BOOL sender_host_dnssec = FALSE;
1238 uschar *sender_host_name = NULL;
1239 int sender_host_port = 0;
1240 BOOL sender_host_notsocket = FALSE;
1241 BOOL sender_host_unknown = FALSE;
1242 uschar *sender_ident = NULL;
1243 BOOL sender_local = FALSE;
1244 BOOL sender_name_forced = FALSE;
1245 uschar *sender_rate = NULL;
1246 uschar *sender_rate_limit = NULL;
1247 uschar *sender_rate_period = NULL;
1248 uschar *sender_rcvhost = NULL;
1249 BOOL sender_set_untrusted = FALSE;
1250 uschar *sender_unqualified_hosts = NULL;
1251 uschar *sender_verify_failure = NULL;
1252 address_item *sender_verified_list = NULL;
1253 address_item *sender_verified_failed = NULL;
1254 int sender_verified_rc = -1;
1255 BOOL sender_verified_responded = FALSE;
1256 uschar *sending_ip_address = NULL;
1257 int sending_port = -1;
1258 SIGNAL_BOOL sigalrm_seen = FALSE;
1259 uschar **sighup_argv = NULL;
1260 int slow_lookup_log = 0; /* millisecs, zero disables */
1261 int smtp_accept_count = 0;
1262 BOOL smtp_accept_keepalive = TRUE;
1263 int smtp_accept_max = 20;
1264 int smtp_accept_max_nonmail= 10;
1265 uschar *smtp_accept_max_nonmail_hosts = US"*";
1266 int smtp_accept_max_per_connection = 1000;
1267 uschar *smtp_accept_max_per_host = NULL;
1268 int smtp_accept_queue = 0;
1269 int smtp_accept_queue_per_connection = 10;
1270 int smtp_accept_reserve = 0;
1271 uschar *smtp_active_hostname = NULL;
1272 BOOL smtp_authenticated = FALSE;
1273 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1274 "Exim $version_number $tod_full"
1275 "\0<---------------Space to patch smtp_banner->";
1276 BOOL smtp_batched_input = FALSE;
1277 BOOL smtp_check_spool_space = TRUE;
1278 int smtp_ch_index = 0;
1279 uschar *smtp_cmd_argument = NULL;
1280 uschar *smtp_cmd_buffer = NULL;
1281 time_t smtp_connection_start = 0;
1282 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1283 int smtp_connect_backlog = 20;
1284 double smtp_delay_mail = 0.0;
1285 double smtp_delay_rcpt = 0.0;
1286 BOOL smtp_enforce_sync = TRUE;
1287 FILE *smtp_in = NULL;
1288 BOOL smtp_input = FALSE;
1289 int smtp_load_reserve = -1;
1290 int smtp_mailcmd_count = 0;
1291 FILE *smtp_out = NULL;
1292 uschar *smtp_etrn_command = NULL;
1293 BOOL smtp_etrn_serialize = TRUE;
1294 int smtp_max_synprot_errors= 3;
1295 int smtp_max_unknown_commands = 3;
1296 uschar *smtp_notquit_reason = NULL;
1297 uschar *smtp_ratelimit_hosts = NULL;
1298 uschar *smtp_ratelimit_mail = NULL;
1299 uschar *smtp_ratelimit_rcpt = NULL;
1300 uschar *smtp_read_error = US"";
1301 int smtp_receive_timeout = 5*60;
1302 uschar *smtp_receive_timeout_s = NULL;
1303 uschar *smtp_reserve_hosts = NULL;
1304 BOOL smtp_return_error_details = FALSE;
1305 int smtp_rlm_base = 0;
1306 double smtp_rlm_factor = 0.0;
1307 int smtp_rlm_limit = 0;
1308 int smtp_rlm_threshold = INT_MAX;
1309 int smtp_rlr_base = 0;
1310 double smtp_rlr_factor = 0.0;
1311 int smtp_rlr_limit = 0;
1312 int smtp_rlr_threshold = INT_MAX;
1313 BOOL smtp_use_pipelining = FALSE;
1314 BOOL smtp_use_size = FALSE;
1315 #ifdef EXPERIMENTAL_INTERNATIONAL
1316 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1317 #endif
1318
1319 #ifdef WITH_CONTENT_SCAN
1320 uschar *spamd_address = US"127.0.0.1 783";
1321 uschar *spam_bar = NULL;
1322 uschar *spam_report = NULL;
1323 uschar *spam_action = NULL;
1324 uschar *spam_score = NULL;
1325 uschar *spam_score_int = NULL;
1326 #endif
1327 #ifdef EXPERIMENTAL_SPF
1328 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1329 uschar *spf_header_comment = NULL;
1330 uschar *spf_received = NULL;
1331 uschar *spf_result = NULL;
1332 uschar *spf_smtp_comment = NULL;
1333 #endif
1334
1335 BOOL split_spool_directory = FALSE;
1336 uschar *spool_directory = US SPOOL_DIRECTORY
1337 "\0<--------------Space to patch spool_directory->";
1338 #ifdef EXPERIMENTAL_SRS
1339 uschar *srs_config = NULL;
1340 uschar *srs_db_address = NULL;
1341 uschar *srs_db_key = NULL;
1342 int srs_hashlength = 6;
1343 int srs_hashmin = -1;
1344 int srs_maxage = 31;
1345 uschar *srs_orig_recipient = NULL;
1346 uschar *srs_orig_sender = NULL;
1347 uschar *srs_recipient = NULL;
1348 uschar *srs_secrets = NULL;
1349 uschar *srs_status = NULL;
1350 BOOL srs_usehash = TRUE;
1351 BOOL srs_usetimestamp = TRUE;
1352 #endif
1353 BOOL strict_acl_vars = FALSE;
1354 int string_datestamp_offset= -1;
1355 int string_datestamp_length= 0;
1356 int string_datestamp_type = -1;
1357 BOOL strip_excess_angle_brackets = FALSE;
1358 BOOL strip_trailing_dot = FALSE;
1359 uschar *submission_domain = NULL;
1360 BOOL submission_mode = FALSE;
1361 uschar *submission_name = NULL;
1362 BOOL suppress_local_fixups = FALSE;
1363 BOOL suppress_local_fixups_default = FALSE;
1364 BOOL synchronous_delivery = FALSE;
1365 BOOL syslog_duplication = TRUE;
1366 int syslog_facility = LOG_MAIL;
1367 uschar *syslog_processname = US"exim";
1368 BOOL syslog_timestamp = TRUE;
1369 uschar *system_filter = NULL;
1370
1371 uschar *system_filter_directory_transport = NULL;
1372 uschar *system_filter_file_transport = NULL;
1373 uschar *system_filter_pipe_transport = NULL;
1374 uschar *system_filter_reply_transport = NULL;
1375
1376 gid_t system_filter_gid = 0;
1377 BOOL system_filter_gid_set = FALSE;
1378 uid_t system_filter_uid = (uid_t)-1;
1379 BOOL system_filter_uid_set = FALSE;
1380 BOOL system_filtering = FALSE;
1381
1382 BOOL tcp_nodelay = TRUE;
1383 #ifdef USE_TCP_WRAPPERS
1384 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1385 #endif
1386 int test_harness_load_avg = 0;
1387 int thismessage_size_limit = 0;
1388 int timeout_frozen_after = 0;
1389 BOOL timestamps_utc = FALSE;
1390
1391 transport_instance *transports = NULL;
1392
1393 transport_instance transport_defaults = {
1394 NULL, /* chain pointer */
1395 NULL, /* name */
1396 NULL, /* info */
1397 NULL, /* private options block pointer */
1398 NULL, /* driver name */
1399 NULL, /* setup entry point */
1400 1, /* batch_max */
1401 NULL, /* batch_id */
1402 NULL, /* home_dir */
1403 NULL, /* current_dir */
1404 NULL, /* expand-multi-domain */
1405 TRUE, /* multi-domain */
1406 FALSE, /* overrides_hosts */
1407 100, /* max_addresses */
1408 500, /* connection_max_messages */
1409 FALSE, /* deliver_as_creator */
1410 FALSE, /* disable_logging */
1411 FALSE, /* initgroups */
1412 FALSE, /* uid_set */
1413 FALSE, /* gid_set */
1414 (uid_t)(-1), /* uid */
1415 (gid_t)(-1), /* gid */
1416 NULL, /* expand_uid */
1417 NULL, /* expand_gid */
1418 NULL, /* warn_message */
1419 NULL, /* shadow */
1420 NULL, /* shadow_condition */
1421 NULL, /* filter_command */
1422 NULL, /* add_headers */
1423 NULL, /* remove_headers */
1424 NULL, /* return_path */
1425 NULL, /* debug_string */
1426 NULL, /* message_size_limit */
1427 NULL, /* headers_rewrite */
1428 NULL, /* rewrite_rules */
1429 0, /* rewrite_existflags */
1430 300, /* filter_timeout */
1431 FALSE, /* body_only */
1432 FALSE, /* delivery_date_add */
1433 FALSE, /* envelope_to_add */
1434 FALSE, /* headers_only */
1435 FALSE, /* rcpt_include_affixes */
1436 FALSE, /* return_path_add */
1437 FALSE, /* return_output */
1438 FALSE, /* return_fail_output */
1439 FALSE, /* log_output */
1440 FALSE, /* log_fail_output */
1441 FALSE, /* log_defer_output */
1442 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1443 1 nor 0 so can detect unset */
1444 #ifdef EXPERIMENTAL_EVENT
1445 ,NULL /* event_action */
1446 #endif
1447 };
1448
1449 int transport_count;
1450 uschar *transport_name = NULL;
1451 int transport_newlines;
1452 const uschar **transport_filter_argv = NULL;
1453 int transport_filter_timeout;
1454 BOOL transport_filter_timed_out = FALSE;
1455 int transport_write_timeout= 0;
1456
1457 tree_node *tree_dns_fails = NULL;
1458 tree_node *tree_duplicates = NULL;
1459 tree_node *tree_nonrecipients = NULL;
1460 tree_node *tree_unusable = NULL;
1461
1462 BOOL trusted_caller = FALSE;
1463 BOOL trusted_config = TRUE;
1464 gid_t *trusted_groups = NULL;
1465 uid_t *trusted_users = NULL;
1466 uschar *timezone_string = US TIMEZONE_DEFAULT;
1467
1468 uschar *unknown_login = NULL;
1469 uschar *unknown_username = NULL;
1470 uschar *untrusted_set_sender = NULL;
1471
1472 /* A regex for matching a "From_" line in an incoming message, in the form
1473
1474 From ph10 Fri Jan 5 12:35 GMT 1996
1475
1476 which the "mail" commands send to the MTA (undocumented, of course), or in
1477 the form
1478
1479 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1480
1481 which is apparently used by some UUCPs, despite it not being in RFC 976.
1482 Because of variations in time formats, just match up to the minutes. That
1483 should be sufficient. Examples have been seen of time fields like 12:1:03,
1484 so just require one digit for hours and minutes. The weekday is also absent
1485 in some forms. */
1486
1487 uschar *uucp_from_pattern = US
1488 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1489 "(?:" /* Non-extracting bracket */
1490 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1491 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1492 ")" /* End alternation */
1493 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1494
1495 uschar *uucp_from_sender = US"$1";
1496
1497 uschar *verify_mode = NULL;
1498 uschar *version_copyright =
1499 US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1500 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
1501 uschar *version_date = US"?";
1502 uschar *version_cnumber = US"????";
1503 uschar *version_string = US"?";
1504
1505 uschar *warn_message_file = NULL;
1506 int warning_count = 0;
1507 uschar *warnmsg_delay = NULL;
1508 uschar *warnmsg_recipients = NULL;
1509 BOOL write_rejectlog = TRUE;
1510
1511
1512 /* End of globals.c */
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