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pass advertised facility to continued-transport process
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2016 */
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 BOOL opt_perl_taintmode = FALSE;
53 #endif
54
55 #ifdef EXPAND_DLFUNC
56 tree_node *dlobj_anchor = NULL;
57 #endif
58
59 #ifdef LOOKUP_IBASE
60 uschar *ibase_servers = NULL;
61 #endif
62
63 #ifdef LOOKUP_LDAP
64 uschar *eldap_ca_cert_dir = NULL;
65 uschar *eldap_ca_cert_file = NULL;
66 uschar *eldap_cert_file = NULL;
67 uschar *eldap_cert_key = NULL;
68 uschar *eldap_cipher_suite = NULL;
69 uschar *eldap_default_servers = NULL;
70 uschar *eldap_require_cert = NULL;
71 int eldap_version = -1;
72 BOOL eldap_start_tls = FALSE;
73 #endif
74
75 #ifdef LOOKUP_MYSQL
76 uschar *mysql_servers = NULL;
77 #endif
78
79 #ifdef LOOKUP_ORACLE
80 uschar *oracle_servers = NULL;
81 #endif
82
83 #ifdef LOOKUP_PGSQL
84 uschar *pgsql_servers = NULL;
85 #endif
86
87 #ifdef LOOKUP_REDIS
88 uschar *redis_servers = NULL;
89 #endif
90
91 #ifdef LOOKUP_SQLITE
92 int sqlite_lock_timeout = 5;
93 #endif
94
95 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96 BOOL move_frozen_messages = FALSE;
97 #endif
98
99 /* These variables are outside the #ifdef because it keeps the code less
100 cluttered in several places (e.g. during logging) if we can always refer to
101 them. Also, the tls_ variables are now always visible. */
102
103 tls_support tls_in = {
104 -1, /* tls_active */
105 0, /* tls_bits */
106 FALSE,/* tls_certificate_verified */
107 #ifdef EXPERIMENTAL_DANE
108 FALSE,/* dane_verified */
109 0, /* tlsa_usage */
110 #endif
111 NULL, /* tls_cipher */
112 FALSE,/* tls_on_connect */
113 NULL, /* tls_on_connect_ports */
114 NULL, /* tls_ourcert */
115 NULL, /* tls_peercert */
116 NULL, /* tls_peerdn */
117 NULL, /* tls_sni */
118 0 /* tls_ocsp */
119 };
120 tls_support tls_out = {
121 -1, /* tls_active */
122 0, /* tls_bits */
123 FALSE,/* tls_certificate_verified */
124 #ifdef EXPERIMENTAL_DANE
125 FALSE,/* dane_verified */
126 0, /* tlsa_usage */
127 #endif
128 NULL, /* tls_cipher */
129 FALSE,/* tls_on_connect */
130 NULL, /* tls_on_connect_ports */
131 NULL, /* tls_ourcert */
132 NULL, /* tls_peercert */
133 NULL, /* tls_peerdn */
134 NULL, /* tls_sni */
135 0 /* tls_ocsp */
136 };
137
138 uschar *dsn_envid = NULL;
139 int dsn_ret = 0;
140 const pcre *regex_DSN = NULL;
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 *openssl_options = NULL;
147 const pcre *regex_STARTTLS = NULL;
148 uschar *tls_advertise_hosts = US"*";
149 uschar *tls_certificate = NULL;
150 uschar *tls_crl = NULL;
151 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152 that's the interop problem which has been observed: GnuTLS suggesting a higher
153 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154 int tls_dh_max_bits = 2236;
155 uschar *tls_dhparam = NULL;
156 uschar *tls_eccurve = US"prime256v1";
157 # ifndef DISABLE_OCSP
158 uschar *tls_ocsp_file = NULL;
159 # endif
160 uschar *tls_privatekey = NULL;
161 BOOL tls_remember_esmtp = FALSE;
162 uschar *tls_require_ciphers = NULL;
163 uschar *tls_try_verify_hosts = NULL;
164 uschar *tls_verify_certificates= US"system";
165 uschar *tls_verify_hosts = NULL;
166 #else /*!SUPPORT_TLS*/
167 uschar *tls_advertise_hosts = NULL;
168 #endif
169
170 #ifndef DISABLE_PRDR
171 /* Per Recipient Data Response variables */
172 BOOL prdr_enable = FALSE;
173 BOOL prdr_requested = FALSE;
174 const pcre *regex_PRDR = NULL;
175 #endif
176
177 #ifdef SUPPORT_I18N
178 const pcre *regex_UTF8 = NULL;
179 #endif
180
181 /* Input-reading functions for messages, so we can use special ones for
182 incoming TCP/IP. The defaults use stdin. We never need these for any
183 stand-alone tests. */
184
185 #ifndef STAND_ALONE
186 int (*lwr_receive_getc)(void) = stdin_getc;
187 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
188 int (*receive_getc)(void) = stdin_getc;
189 void (*receive_get_cache)(void)= NULL;
190 int (*receive_ungetc)(int) = stdin_ungetc;
191 int (*receive_feof)(void) = stdin_feof;
192 int (*receive_ferror)(void) = stdin_ferror;
193 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
194 #endif
195
196
197 /* List of per-address expansion variables for clearing and saving/restoring
198 when verifying one address while routing/verifying another. We have to have
199 the size explicit, because it is referenced from more than one module. */
200
201 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
202 CUSS &deliver_address_data,
203 CUSS &deliver_domain,
204 CUSS &deliver_domain_data,
205 CUSS &deliver_domain_orig,
206 CUSS &deliver_domain_parent,
207 CUSS &deliver_localpart,
208 CUSS &deliver_localpart_data,
209 CUSS &deliver_localpart_orig,
210 CUSS &deliver_localpart_parent,
211 CUSS &deliver_localpart_prefix,
212 CUSS &deliver_localpart_suffix,
213 CUSS (uschar **)(&deliver_recipients),
214 CUSS &deliver_host,
215 CUSS &deliver_home,
216 CUSS &address_file,
217 CUSS &address_pipe,
218 CUSS &self_hostname,
219 NULL };
220
221 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
222
223 /* General global variables */
224
225 header_line *acl_added_headers = NULL;
226 tree_node *acl_anchor = NULL;
227 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
228 NULL, NULL, NULL, NULL};
229 int acl_narg = 0;
230
231 uschar *acl_not_smtp = NULL;
232 #ifdef WITH_CONTENT_SCAN
233 uschar *acl_not_smtp_mime = NULL;
234 #endif
235 uschar *acl_not_smtp_start = NULL;
236 uschar *acl_removed_headers = NULL;
237 uschar *acl_smtp_auth = NULL;
238 uschar *acl_smtp_connect = NULL;
239 uschar *acl_smtp_data = NULL;
240 #ifndef DISABLE_PRDR
241 uschar *acl_smtp_data_prdr = US"accept";
242 #endif
243 #ifndef DISABLE_DKIM
244 uschar *acl_smtp_dkim = NULL;
245 #endif
246 uschar *acl_smtp_etrn = NULL;
247 uschar *acl_smtp_expn = NULL;
248 uschar *acl_smtp_helo = NULL;
249 uschar *acl_smtp_mail = NULL;
250 uschar *acl_smtp_mailauth = NULL;
251 #ifdef WITH_CONTENT_SCAN
252 uschar *acl_smtp_mime = NULL;
253 #endif
254 uschar *acl_smtp_notquit = NULL;
255 uschar *acl_smtp_predata = NULL;
256 uschar *acl_smtp_quit = NULL;
257 uschar *acl_smtp_rcpt = NULL;
258 uschar *acl_smtp_starttls = NULL;
259 uschar *acl_smtp_vrfy = NULL;
260
261 BOOL acl_temp_details = FALSE;
262 tree_node *acl_var_c = NULL;
263 tree_node *acl_var_m = NULL;
264 uschar *acl_verify_message = NULL;
265 string_item *acl_warn_logged = NULL;
266
267 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
268 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
269
270 uschar *acl_wherenames[] = { US"RCPT",
271 US"MAIL",
272 US"PREDATA",
273 US"MIME",
274 US"DKIM",
275 US"DATA",
276 #ifndef DISABLE_PRDR
277 US"PRDR",
278 #endif
279 US"non-SMTP",
280 US"AUTH",
281 US"connection",
282 US"ETRN",
283 US"EXPN",
284 US"EHLO or HELO",
285 US"MAILAUTH",
286 US"non-SMTP-start",
287 US"NOTQUIT",
288 US"QUIT",
289 US"STARTTLS",
290 US"VRFY",
291 US"delivery",
292 US"unknown"
293 };
294
295 uschar *acl_wherecodes[] = { US"550", /* RCPT */
296 US"550", /* MAIL */
297 US"550", /* PREDATA */
298 US"550", /* MIME */
299 US"550", /* DKIM */
300 US"550", /* DATA */
301 #ifndef DISABLE_PRDR
302 US"550", /* RCPT PRDR */
303 #endif
304 US"0", /* not SMTP; not relevant */
305 US"503", /* AUTH */
306 US"550", /* connect */
307 US"458", /* ETRN */
308 US"550", /* EXPN */
309 US"550", /* HELO/EHLO */
310 US"0", /* MAILAUTH; not relevant */
311 US"0", /* not SMTP; not relevant */
312 US"0", /* NOTQUIT; not relevant */
313 US"0", /* QUIT; not relevant */
314 US"550", /* STARTTLS */
315 US"252", /* VRFY */
316 US"0", /* delivery; not relevant */
317 US"0" /* unknown; not relevant */
318 };
319
320 BOOL active_local_from_check = FALSE;
321 BOOL active_local_sender_retain = FALSE;
322 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
323 uschar *add_environment = NULL;
324 address_item *addr_duplicate = NULL;
325
326 address_item address_defaults = {
327 NULL, /* next */
328 NULL, /* parent */
329 NULL, /* first */
330 NULL, /* dupof */
331 NULL, /* start_router */
332 NULL, /* router */
333 NULL, /* transport */
334 NULL, /* host_list */
335 NULL, /* host_used */
336 NULL, /* fallback_hosts */
337 NULL, /* reply */
338 NULL, /* retries */
339 NULL, /* address */
340 NULL, /* unique */
341 NULL, /* cc_local_part */
342 NULL, /* lc_local_part */
343 NULL, /* local_part */
344 NULL, /* prefix */
345 NULL, /* suffix */
346 NULL, /* domain */
347 NULL, /* address_retry_key */
348 NULL, /* domain_retry_key */
349 NULL, /* current_dir */
350 NULL, /* home_dir */
351 NULL, /* message */
352 NULL, /* user_message */
353 NULL, /* onetime_parent */
354 NULL, /* pipe_expandn */
355 NULL, /* return_filename */
356 NULL, /* self_hostname */
357 NULL, /* shadow_message */
358 #ifdef SUPPORT_TLS
359 NULL, /* cipher */
360 NULL, /* ourcert */
361 NULL, /* peercert */
362 NULL, /* peerdn */
363 OCSP_NOT_REQ, /* ocsp */
364 #endif
365 #ifdef EXPERIMENTAL_DSN_INFO
366 NULL, /* smtp_greeting */
367 NULL, /* helo_response */
368 #endif
369 NULL, /* authenticator */
370 NULL, /* auth_id */
371 NULL, /* auth_sndr */
372 NULL, /* dsn_orcpt */
373 0, /* dsn_flags */
374 0, /* dsn_aware */
375 (uid_t)(-1), /* uid */
376 (gid_t)(-1), /* gid */
377 0, /* flags */
378 { 0 }, /* domain_cache - any larger array should be zeroed */
379 { 0 }, /* localpart_cache - ditto */
380 -1, /* mode */
381 0, /* more_errno */
382 ERRNO_UNKNOWNERROR, /* basic_errno */
383 0, /* child_count */
384 -1, /* return_file */
385 SPECIAL_NONE, /* special_action */
386 DEFER, /* transport_return */
387 { /* fields that are propagated to children */
388 NULL, /* address_data */
389 NULL, /* domain_data */
390 NULL, /* localpart_data */
391 NULL, /* errors_address */
392 NULL, /* extra_headers */
393 NULL, /* remove_headers */
394 #ifdef EXPERIMENTAL_SRS
395 NULL, /* srs_sender */
396 #endif
397 #ifdef SUPPORT_I18N
398 FALSE, /* utf8 */
399 #endif
400 }
401 };
402
403 uschar *address_file = NULL;
404 uschar *address_pipe = NULL;
405 BOOL address_test_mode = FALSE;
406 tree_node *addresslist_anchor = NULL;
407 int addresslist_count = 0;
408 gid_t *admin_groups = NULL;
409 BOOL admin_user = FALSE;
410 BOOL allow_auth_unadvertised= FALSE;
411 BOOL allow_domain_literals = FALSE;
412 BOOL allow_mx_to_ip = FALSE;
413 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
414 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
415 BOOL allow_utf8_domains = FALSE;
416 uschar *authenticated_fail_id = NULL;
417 uschar *authenticated_id = NULL;
418 uschar *authenticated_sender = NULL;
419 BOOL authentication_failed = FALSE;
420 auth_instance *auths = NULL;
421 uschar *auth_advertise_hosts = US"*";
422 auth_instance auth_defaults = {
423 NULL, /* chain pointer */
424 NULL, /* name */
425 NULL, /* info */
426 NULL, /* private options block pointer */
427 NULL, /* driver_name */
428 NULL, /* advertise_condition */
429 NULL, /* client_condition */
430 NULL, /* public_name */
431 NULL, /* set_id */
432 NULL, /* set_client_id */
433 NULL, /* server_mail_auth_condition */
434 NULL, /* server_debug_string */
435 NULL, /* server_condition */
436 FALSE, /* client */
437 FALSE, /* server */
438 FALSE /* advertised */
439 };
440
441 uschar *auth_defer_msg = US"reason not recorded";
442 uschar *auth_defer_user_msg = US"";
443 uschar *auth_vars[AUTH_VARS];
444 int auto_thaw = 0;
445 #ifdef WITH_CONTENT_SCAN
446 BOOL av_failed = FALSE;
447 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
448 #endif
449
450 BOOL background_daemon = TRUE;
451
452 #if BASE_62 == 62
453 uschar *base62_chars=
454 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
455 #else
456 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
457 #endif
458
459 uschar *bi_command = NULL;
460 uschar *big_buffer = NULL;
461 int big_buffer_size = BIG_BUFFER_SIZE;
462 #ifdef EXPERIMENTAL_BRIGHTMAIL
463 uschar *bmi_alt_location = NULL;
464 uschar *bmi_base64_tracker_verdict = NULL;
465 uschar *bmi_base64_verdict = NULL;
466 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
467 int bmi_deliver = 1;
468 int bmi_run = 0;
469 uschar *bmi_verdicts = NULL;
470 #endif
471 int body_8bitmime = 0;
472 int body_linecount = 0;
473 int body_zerocount = 0;
474 uschar *bounce_message_file = NULL;
475 uschar *bounce_message_text = NULL;
476 uschar *bounce_recipient = NULL;
477 BOOL bounce_return_body = TRUE;
478 int bounce_return_linesize_limit = 998;
479 BOOL bounce_return_message = TRUE;
480 int bounce_return_size_limit = 100*1024;
481 uschar *bounce_sender_authentication = NULL;
482 int bsmtp_transaction_linecount = 0;
483
484 uschar *callout_address = NULL;
485 int callout_cache_domain_positive_expire = 7*24*60*60;
486 int callout_cache_domain_negative_expire = 3*60*60;
487 int callout_cache_positive_expire = 24*60*60;
488 int callout_cache_negative_expire = 2*60*60;
489 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
490 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
491 int check_log_inodes = 0;
492 int check_log_space = 0;
493 BOOL check_rfc2047_length = TRUE;
494 int check_spool_inodes = 0;
495 int check_spool_space = 0;
496
497 uschar *chunking_advertise_hosts = US"*";
498 unsigned chunking_datasize = 0;
499 unsigned chunking_data_left = 0;
500 BOOL chunking_offered = FALSE;
501 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
502 const pcre *regex_CHUNKING = NULL;
503
504 uschar *client_authenticator = NULL;
505 uschar *client_authenticated_id = NULL;
506 uschar *client_authenticated_sender = NULL;
507 int clmacro_count = 0;
508 uschar *clmacros[MAX_CLMACROS];
509 BOOL config_changed = FALSE;
510 FILE *config_file = NULL;
511 uschar *config_filename = NULL;
512 int config_lineno = 0;
513 #ifdef CONFIGURE_GROUP
514 gid_t config_gid = CONFIGURE_GROUP;
515 #endif
516 uschar *config_main_filelist = US CONFIGURE_FILE
517 "\0<-----------Space to patch configure_filename->";
518 uschar *config_main_filename = NULL;
519 uschar *config_main_directory = NULL;
520
521 #ifdef CONFIGURE_OWNER
522 uid_t config_uid = CONFIGURE_OWNER;
523 #endif
524
525 int connection_max_messages= -1;
526 uschar *continue_hostname = NULL;
527 uschar *continue_host_address = NULL;
528 BOOL continue_more = FALSE;
529 int continue_sequence = 1;
530 uschar *continue_transport = NULL;
531
532 uschar *csa_status = NULL;
533 cut_t cutthrough = {
534 FALSE, /* delivery: when to attempt */
535 -1, /* fd: open connection */
536 0, /* nrcpt: number of addresses */
537 };
538
539 BOOL daemon_listen = FALSE;
540 uschar *daemon_smtp_port = US"smtp";
541 int daemon_startup_retries = 9;
542 int daemon_startup_sleep = 30;
543
544 #ifdef EXPERIMENTAL_DCC
545 BOOL dcc_direct_add_header = FALSE;
546 uschar *dcc_header = NULL;
547 uschar *dcc_result = NULL;
548 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
549 uschar *dccifd_options = US"header";
550 #endif
551
552 BOOL debug_daemon = FALSE;
553 int debug_fd = -1;
554 FILE *debug_file = NULL;
555 int debug_notall[] = {
556 Di_memory,
557 -1
558 };
559 bit_table debug_options[] = { /* must be in alphabetical order */
560 BIT_TABLE(D, acl),
561 BIT_TABLE(D, all),
562 BIT_TABLE(D, auth),
563 BIT_TABLE(D, deliver),
564 BIT_TABLE(D, dns),
565 BIT_TABLE(D, dnsbl),
566 BIT_TABLE(D, exec),
567 BIT_TABLE(D, expand),
568 BIT_TABLE(D, filter),
569 BIT_TABLE(D, hints_lookup),
570 BIT_TABLE(D, host_lookup),
571 BIT_TABLE(D, ident),
572 BIT_TABLE(D, interface),
573 BIT_TABLE(D, lists),
574 BIT_TABLE(D, load),
575 BIT_TABLE(D, local_scan),
576 BIT_TABLE(D, lookup),
577 BIT_TABLE(D, memory),
578 BIT_TABLE(D, pid),
579 BIT_TABLE(D, process_info),
580 BIT_TABLE(D, queue_run),
581 BIT_TABLE(D, receive),
582 BIT_TABLE(D, resolver),
583 BIT_TABLE(D, retry),
584 BIT_TABLE(D, rewrite),
585 BIT_TABLE(D, route),
586 BIT_TABLE(D, timestamp),
587 BIT_TABLE(D, tls),
588 BIT_TABLE(D, transport),
589 BIT_TABLE(D, uid),
590 BIT_TABLE(D, verify),
591 };
592 int debug_options_count = nelem(debug_options);
593
594 unsigned int debug_selector = 0;
595 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
596 uschar *delay_warning_condition=
597 US"${if or {"
598 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
599 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
600 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
601 "} {no}{yes}}";
602 BOOL delivery_date_remove = TRUE;
603 uschar *deliver_address_data = NULL;
604 int deliver_datafile = -1;
605 const uschar *deliver_domain = NULL;
606 uschar *deliver_domain_data = NULL;
607 const uschar *deliver_domain_orig = NULL;
608 const uschar *deliver_domain_parent = NULL;
609 BOOL deliver_drop_privilege = FALSE;
610 BOOL deliver_firsttime = FALSE;
611 BOOL deliver_force = FALSE;
612 BOOL deliver_freeze = FALSE;
613 time_t deliver_frozen_at = 0;
614 uschar *deliver_home = NULL;
615 const uschar *deliver_host = NULL;
616 const uschar *deliver_host_address = NULL;
617 int deliver_host_port = 0;
618 uschar *deliver_in_buffer = NULL;
619 ino_t deliver_inode = 0;
620 uschar *deliver_localpart = NULL;
621 uschar *deliver_localpart_data = NULL;
622 uschar *deliver_localpart_orig = NULL;
623 uschar *deliver_localpart_parent = NULL;
624 uschar *deliver_localpart_prefix = NULL;
625 uschar *deliver_localpart_suffix = NULL;
626 BOOL deliver_force_thaw = FALSE;
627 BOOL deliver_manual_thaw = FALSE;
628 uschar *deliver_out_buffer = NULL;
629 int deliver_queue_load_max = -1;
630 address_item *deliver_recipients = NULL;
631 uschar *deliver_selectstring = NULL;
632 BOOL deliver_selectstring_regex = FALSE;
633 uschar *deliver_selectstring_sender = NULL;
634 BOOL deliver_selectstring_sender_regex = FALSE;
635 BOOL disable_callout_flush = FALSE;
636 BOOL disable_delay_flush = FALSE;
637 #ifdef ENABLE_DISABLE_FSYNC
638 BOOL disable_fsync = FALSE;
639 #endif
640 BOOL disable_ipv6 = FALSE;
641 BOOL disable_logging = FALSE;
642
643 #ifndef DISABLE_DKIM
644 BOOL dkim_collect_input = FALSE;
645 uschar *dkim_cur_signer = NULL;
646 BOOL dkim_disable_verify = FALSE;
647 int dkim_key_length = 0;
648 uschar *dkim_signers = NULL;
649 uschar *dkim_signing_domain = NULL;
650 uschar *dkim_signing_selector = NULL;
651 uschar *dkim_verify_signers = US"$dkim_signers";
652 #endif
653 #ifdef EXPERIMENTAL_DMARC
654 BOOL dmarc_has_been_checked = FALSE;
655 uschar *dmarc_ar_header = NULL;
656 uschar *dmarc_domain_policy = NULL;
657 uschar *dmarc_forensic_sender = NULL;
658 uschar *dmarc_history_file = NULL;
659 uschar *dmarc_status = NULL;
660 uschar *dmarc_status_text = NULL;
661 uschar *dmarc_tld_file = NULL;
662 uschar *dmarc_used_domain = NULL;
663 BOOL dmarc_disable_verify = FALSE;
664 BOOL dmarc_enable_forensic = FALSE;
665 #endif
666
667 uschar *dns_again_means_nonexist = NULL;
668 int dns_csa_search_limit = 5;
669 BOOL dns_csa_use_reverse = TRUE;
670 #ifdef EXPERIMENTAL_DANE
671 int dns_dane_ok = -1;
672 #endif
673 uschar *dns_ipv4_lookup = NULL;
674 int dns_retrans = 0;
675 int dns_retry = 0;
676 int dns_dnssec_ok = -1; /* <0 = not coerced */
677 uschar *dns_trust_aa = NULL;
678 int dns_use_edns0 = -1; /* <0 = not coerced */
679 uschar *dnslist_domain = NULL;
680 uschar *dnslist_matched = NULL;
681 uschar *dnslist_text = NULL;
682 uschar *dnslist_value = NULL;
683 tree_node *domainlist_anchor = NULL;
684 int domainlist_count = 0;
685 BOOL dont_deliver = FALSE;
686 BOOL dot_ends = TRUE;
687 BOOL drop_cr = FALSE; /* No longer used */
688 uschar *dsn_from = US DEFAULT_DSN_FROM;
689
690 BOOL enable_dollar_recipients = FALSE;
691 BOOL envelope_to_remove = TRUE;
692 int errno_quota = ERRNO_QUOTA;
693 uschar *errors_copy = NULL;
694 int error_handling = ERRORS_SENDER;
695 uschar *errors_reply_to = NULL;
696 int errors_sender_rc = EXIT_FAILURE;
697 #ifndef DISABLE_EVENT
698 uschar *event_action = NULL; /* expansion for delivery events */
699 uschar *event_data = NULL; /* auxilary data variable for event */
700 int event_defer_errno = 0;
701 const uschar *event_name = NULL; /* event name variable */
702 #endif
703
704
705 gid_t exim_gid = EXIM_GID;
706 BOOL exim_gid_set = TRUE; /* This gid is always set */
707 uschar *exim_path = US BIN_DIRECTORY "/exim"
708 "\0<---------------Space to patch exim_path->";
709 uid_t exim_uid = EXIM_UID;
710 BOOL exim_uid_set = TRUE; /* This uid is always set */
711 int expand_forbid = 0;
712 int expand_nlength[EXPAND_MAXN+1];
713 int expand_nmax = -1;
714 uschar *expand_nstring[EXPAND_MAXN+1];
715 BOOL expand_string_forcedfail = FALSE;
716 uschar *expand_string_message;
717 BOOL extract_addresses_remove_arguments = TRUE;
718 uschar *extra_local_interfaces = NULL;
719
720 int fake_response = OK;
721 uschar *fake_response_text = US"Your message has been rejected but is "
722 "being kept for evaluation.\nIf it was a "
723 "legitimate message, it may still be "
724 "delivered to the target recipient(s).";
725 int filter_n[FILTER_VARIABLE_COUNT];
726 BOOL filter_running = FALSE;
727 int filter_sn[FILTER_VARIABLE_COUNT];
728 int filter_test = FTEST_NONE;
729 uschar *filter_test_sfile = NULL;
730 uschar *filter_test_ufile = NULL;
731 uschar *filter_thisaddress = NULL;
732 int finduser_retries = 0;
733 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
734 uschar *freeze_tell = NULL;
735 uschar *freeze_tell_config = NULL;
736 uschar *fudged_queue_times = US"";
737
738 uschar *gecos_name = NULL;
739 uschar *gecos_pattern = NULL;
740 rewrite_rule *global_rewrite_rules = NULL;
741
742 uschar *headers_charset = US HEADERS_CHARSET;
743 int header_insert_maxlen = 64 * 1024;
744 header_line *header_last = NULL;
745 header_line *header_list = NULL;
746 int header_maxsize = HEADER_MAXSIZE;
747 int header_line_maxsize = 0;
748
749 header_name header_names[] = {
750 { US"bcc", 3, TRUE, htype_bcc },
751 { US"cc", 2, TRUE, htype_cc },
752 { US"date", 4, TRUE, htype_date },
753 { US"delivery-date", 13, FALSE, htype_delivery_date },
754 { US"envelope-to", 11, FALSE, htype_envelope_to },
755 { US"from", 4, TRUE, htype_from },
756 { US"message-id", 10, TRUE, htype_id },
757 { US"received", 8, FALSE, htype_received },
758 { US"reply-to", 8, FALSE, htype_reply_to },
759 { US"return-path", 11, FALSE, htype_return_path },
760 { US"sender", 6, TRUE, htype_sender },
761 { US"subject", 7, FALSE, htype_subject },
762 { US"to", 2, TRUE, htype_to }
763 };
764
765 int header_names_size = sizeof(header_names)/sizeof(header_name);
766
767 BOOL header_rewritten = FALSE;
768 uschar *helo_accept_junk_hosts = NULL;
769 uschar *helo_allow_chars = US"";
770 uschar *helo_lookup_domains = US"@ : @[]";
771 uschar *helo_try_verify_hosts = NULL;
772 BOOL helo_verified = FALSE;
773 BOOL helo_verify_failed = FALSE;
774 uschar *helo_verify_hosts = NULL;
775 const uschar *hex_digits = CUS"0123456789abcdef";
776 uschar *hold_domains = NULL;
777 BOOL host_checking = FALSE;
778 BOOL host_checking_callout = FALSE;
779 uschar *host_data = NULL;
780 BOOL host_find_failed_syntax= FALSE;
781 uschar *host_lookup = NULL;
782 BOOL host_lookup_deferred = FALSE;
783 BOOL host_lookup_failed = FALSE;
784 uschar *host_lookup_order = US"bydns:byaddr";
785 uschar *host_lookup_msg = US"";
786 int host_number = 0;
787 uschar *host_number_string = NULL;
788 uschar *host_reject_connection = NULL;
789 tree_node *hostlist_anchor = NULL;
790 int hostlist_count = 0;
791 uschar *hosts_treat_as_local = NULL;
792 uschar *hosts_connection_nolog = NULL;
793
794 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
795 BOOL ignore_fromline_local = FALSE;
796 uschar *ignore_fromline_hosts = NULL;
797 BOOL inetd_wait_mode = FALSE;
798 int inetd_wait_timeout = -1;
799 uschar *initial_cwd = NULL;
800 uschar *interface_address = NULL;
801 int interface_port = -1;
802 BOOL is_inetd = FALSE;
803 uschar *iterate_item = NULL;
804
805 int journal_fd = -1;
806
807 uschar *keep_environment = NULL;
808
809 int keep_malformed = 4*24*60*60; /* 4 days */
810
811 uschar *eldap_dn = NULL;
812 int load_average = -2;
813 BOOL local_error_message = FALSE;
814 BOOL local_from_check = TRUE;
815 uschar *local_from_prefix = NULL;
816 uschar *local_from_suffix = NULL;
817
818 #if HAVE_IPV6
819 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
820 #else
821 uschar *local_interfaces = US"0.0.0.0";
822 #endif
823
824 uschar *local_scan_data = NULL;
825 int local_scan_timeout = 5*60;
826 BOOL local_sender_retain = FALSE;
827 gid_t local_user_gid = (gid_t)(-1);
828 uid_t local_user_uid = (uid_t)(-1);
829
830 tree_node *localpartlist_anchor= NULL;
831 int localpartlist_count = 0;
832 uschar *log_buffer = NULL;
833
834 int log_default[] = { /* for initializing log_selector */
835 Li_acl_warn_skipped,
836 Li_connection_reject,
837 Li_delay_delivery,
838 Li_dnslist_defer,
839 Li_etrn,
840 Li_host_lookup_failed,
841 Li_lost_incoming_connection,
842 Li_outgoing_interface, /* see d_log_interface in deliver.c */
843 Li_queue_run,
844 Li_rejected_header,
845 Li_retry_defer,
846 Li_sender_verify_fail,
847 Li_size_reject,
848 Li_skip_delivery,
849 Li_smtp_confirmation,
850 Li_tls_certificate_verified,
851 Li_tls_cipher,
852 -1
853 };
854
855 uschar *log_file_path = US LOG_FILE_PATH
856 "\0<--------------Space to patch log_file_path->";
857
858 int log_notall[] = {
859 -1
860 };
861 bit_table log_options[] = { /* must be in alphabetical order */
862 BIT_TABLE(L, 8bitmime),
863 BIT_TABLE(L, acl_warn_skipped),
864 BIT_TABLE(L, address_rewrite),
865 BIT_TABLE(L, all),
866 BIT_TABLE(L, all_parents),
867 BIT_TABLE(L, arguments),
868 BIT_TABLE(L, connection_reject),
869 BIT_TABLE(L, delay_delivery),
870 BIT_TABLE(L, deliver_time),
871 BIT_TABLE(L, delivery_size),
872 BIT_TABLE(L, dnslist_defer),
873 BIT_TABLE(L, dnssec),
874 BIT_TABLE(L, etrn),
875 BIT_TABLE(L, host_lookup_failed),
876 BIT_TABLE(L, ident_timeout),
877 BIT_TABLE(L, incoming_interface),
878 BIT_TABLE(L, incoming_port),
879 BIT_TABLE(L, lost_incoming_connection),
880 BIT_TABLE(L, outgoing_interface),
881 BIT_TABLE(L, outgoing_port),
882 BIT_TABLE(L, pid),
883 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
884 BIT_TABLE(L, proxy),
885 #endif
886 BIT_TABLE(L, queue_run),
887 BIT_TABLE(L, queue_time),
888 BIT_TABLE(L, queue_time_overall),
889 BIT_TABLE(L, received_recipients),
890 BIT_TABLE(L, received_sender),
891 BIT_TABLE(L, rejected_header),
892 { US"rejected_headers", Li_rejected_header },
893 BIT_TABLE(L, retry_defer),
894 BIT_TABLE(L, return_path_on_delivery),
895 BIT_TABLE(L, sender_on_delivery),
896 BIT_TABLE(L, sender_verify_fail),
897 BIT_TABLE(L, size_reject),
898 BIT_TABLE(L, skip_delivery),
899 BIT_TABLE(L, smtp_confirmation),
900 BIT_TABLE(L, smtp_connection),
901 BIT_TABLE(L, smtp_incomplete_transaction),
902 BIT_TABLE(L, smtp_mailauth),
903 BIT_TABLE(L, smtp_no_mail),
904 BIT_TABLE(L, smtp_protocol_error),
905 BIT_TABLE(L, smtp_syntax_error),
906 BIT_TABLE(L, subject),
907 BIT_TABLE(L, tls_certificate_verified),
908 BIT_TABLE(L, tls_cipher),
909 BIT_TABLE(L, tls_peerdn),
910 BIT_TABLE(L, tls_sni),
911 BIT_TABLE(L, unknown_in_list),
912 };
913 int log_options_count = nelem(log_options);
914
915 int log_reject_target = 0;
916 unsigned int log_selector[log_selector_size]; /* initialized in main() */
917 uschar *log_selector_string = NULL;
918 FILE *log_stderr = NULL;
919 BOOL log_testing_mode = FALSE;
920 BOOL log_timezone = FALSE;
921 uschar *login_sender_address = NULL;
922 uschar *lookup_dnssec_authenticated = NULL;
923 int lookup_open_max = 25;
924 uschar *lookup_value = NULL;
925
926 macro_item *macros = NULL;
927 uschar *mailstore_basename = NULL;
928 #ifdef WITH_CONTENT_SCAN
929 uschar *malware_name = NULL; /* Virus Name */
930 #endif
931 int max_received_linelength= 0;
932 int max_username_length = 0;
933 int message_age = 0;
934 uschar *message_body = NULL;
935 uschar *message_body_end = NULL;
936 BOOL message_body_newlines = FALSE;
937 int message_body_size = 0;
938 int message_body_visible = 500;
939 int message_ended = END_NOTSTARTED;
940 uschar *message_headers = NULL;
941 uschar *message_id;
942 uschar *message_id_domain = NULL;
943 uschar *message_id_text = NULL;
944 struct timeval message_id_tv = { 0, 0 };
945 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
946 uschar *message_id_external;
947 int message_linecount = 0;
948 BOOL message_logs = TRUE;
949 int message_size = 0;
950 uschar *message_size_limit = US"50M";
951 #ifdef SUPPORT_I18N
952 BOOL message_smtputf8 = FALSE;
953 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
954 #endif
955 uschar message_subdir[2] = { 0, 0 };
956 uschar *message_reference = NULL;
957
958 /* MIME ACL expandables */
959 #ifdef WITH_CONTENT_SCAN
960 int mime_anomaly_level = 0;
961 const uschar *mime_anomaly_text = NULL;
962 uschar *mime_boundary = NULL;
963 uschar *mime_charset = NULL;
964 uschar *mime_content_description = NULL;
965 uschar *mime_content_disposition = NULL;
966 uschar *mime_content_id = NULL;
967 unsigned int mime_content_size = 0;
968 uschar *mime_content_transfer_encoding = NULL;
969 uschar *mime_content_type = NULL;
970 uschar *mime_decoded_filename = NULL;
971 uschar *mime_filename = NULL;
972 int mime_is_multipart = 0;
973 int mime_is_coverletter = 0;
974 int mime_is_rfc822 = 0;
975 int mime_part_count = -1;
976 #endif
977
978 BOOL mua_wrapper = FALSE;
979
980 uid_t *never_users = NULL;
981 #ifdef WITH_CONTENT_SCAN
982 BOOL no_mbox_unspool = FALSE;
983 #endif
984 BOOL no_multiline_responses = FALSE;
985
986 uid_t original_euid;
987 gid_t originator_gid;
988 uschar *originator_login = NULL;
989 uschar *originator_name = NULL;
990 uid_t originator_uid;
991 uschar *override_local_interfaces = NULL;
992 uschar *override_pid_file_path = NULL;
993
994 BOOL parse_allow_group = FALSE;
995 BOOL parse_found_group = FALSE;
996 uschar *percent_hack_domains = NULL;
997 uschar *pid_file_path = US PID_FILE_PATH
998 "\0<--------------Space to patch pid_file_path->";
999 BOOL pipelining_enable = TRUE;
1000 uschar *pipelining_advertise_hosts = US"*";
1001 BOOL preserve_message_logs = FALSE;
1002 uschar *primary_hostname = NULL;
1003 BOOL print_topbitchars = FALSE;
1004 uschar process_info[PROCESS_INFO_SIZE];
1005 int process_info_len = 0;
1006 uschar *process_log_path = NULL;
1007 BOOL prod_requires_admin = TRUE;
1008
1009 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1010 uschar *hosts_proxy = US"";
1011 uschar *proxy_external_address = US"";
1012 int proxy_external_port = 0;
1013 uschar *proxy_local_address = US"";
1014 int proxy_local_port = 0;
1015 BOOL proxy_session = FALSE;
1016 BOOL proxy_session_failed = FALSE;
1017 #endif
1018
1019 uschar *prvscheck_address = NULL;
1020 uschar *prvscheck_keynum = NULL;
1021 uschar *prvscheck_result = NULL;
1022
1023
1024 const uschar *qualify_domain_recipient = NULL;
1025 uschar *qualify_domain_sender = NULL;
1026 BOOL queue_2stage = FALSE;
1027 uschar *queue_domains = NULL;
1028 int queue_interval = -1;
1029 BOOL queue_list_requires_admin = TRUE;
1030 uschar *queue_name = US"";
1031 BOOL queue_only = FALSE;
1032 uschar *queue_only_file = NULL;
1033 int queue_only_load = -1;
1034 BOOL queue_only_load_latch = TRUE;
1035 BOOL queue_only_override = TRUE;
1036 BOOL queue_only_policy = FALSE;
1037 BOOL queue_run_first_delivery = FALSE;
1038 BOOL queue_run_force = FALSE;
1039 BOOL queue_run_in_order = FALSE;
1040 BOOL queue_run_local = FALSE;
1041 uschar *queue_run_max = US"5";
1042 pid_t queue_run_pid = (pid_t)0;
1043 int queue_run_pipe = -1;
1044 BOOL queue_running = FALSE;
1045 BOOL queue_smtp = FALSE;
1046 uschar *queue_smtp_domains = NULL;
1047
1048 unsigned int random_seed = 0;
1049 tree_node *ratelimiters_cmd = NULL;
1050 tree_node *ratelimiters_conn = NULL;
1051 tree_node *ratelimiters_mail = NULL;
1052 uschar *raw_active_hostname = NULL;
1053 uschar *raw_sender = NULL;
1054 uschar **raw_recipients = NULL;
1055 int raw_recipients_count = 0;
1056
1057 int rcpt_count = 0;
1058 int rcpt_fail_count = 0;
1059 int rcpt_defer_count = 0;
1060 gid_t real_gid;
1061 uid_t real_uid;
1062 BOOL really_exim = TRUE;
1063 BOOL receive_call_bombout = FALSE;
1064 int receive_linecount = 0;
1065 int receive_messagecount = 0;
1066 int receive_timeout = 0;
1067 int received_count = 0;
1068 uschar *received_for = NULL;
1069
1070 /* This is the default text for Received headers generated by Exim. The
1071 date will be automatically added on the end. */
1072
1073 uschar *received_header_text = US
1074 "Received: "
1075 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1076 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1077 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1078 "by $primary_hostname "
1079 "${if def:received_protocol {with $received_protocol}} "
1080 #ifdef SUPPORT_TLS
1081 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1082 #endif
1083 "(Exim $version_number)\n\t"
1084 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1085 "id $message_exim_id"
1086 "${if def:received_for {\n\tfor $received_for}}"
1087 "\0<---------------Space to patch received_header_text->";
1088
1089 int received_headers_max = 30;
1090 uschar *received_protocol = NULL;
1091 int received_time = 0;
1092 uschar *recipient_data = NULL;
1093 uschar *recipient_unqualified_hosts = NULL;
1094 uschar *recipient_verify_failure = NULL;
1095 int recipients_count = 0;
1096 BOOL recipients_discarded = FALSE;
1097 recipient_item *recipients_list = NULL;
1098 int recipients_list_max = 0;
1099 int recipients_max = 0;
1100 BOOL recipients_max_reject = FALSE;
1101 const pcre *regex_AUTH = NULL;
1102 const pcre *regex_check_dns_names = NULL;
1103 const pcre *regex_From = NULL;
1104 const pcre *regex_IGNOREQUOTA = NULL;
1105 const pcre *regex_PIPELINING = NULL;
1106 const pcre *regex_SIZE = NULL;
1107 const pcre *regex_ismsgid = NULL;
1108 const pcre *regex_smtp_code = NULL;
1109 uschar *regex_vars[REGEX_VARS];
1110 #ifdef WHITELIST_D_MACROS
1111 const pcre *regex_whitelisted_macro = NULL;
1112 #endif
1113 #ifdef WITH_CONTENT_SCAN
1114 uschar *regex_match_string = NULL;
1115 #endif
1116 int remote_delivery_count = 0;
1117 int remote_max_parallel = 2;
1118 uschar *remote_sort_domains = NULL;
1119 int retry_data_expire = 7*24*60*60;
1120 int retry_interval_max = 24*60*60;
1121 int retry_maximum_timeout = 0; /* set from retry config */
1122 retry_config *retries = NULL;
1123 uschar *return_path = NULL;
1124 BOOL return_path_remove = TRUE;
1125 int rewrite_existflags = 0;
1126 uschar *rfc1413_hosts = US"@[]";
1127 int rfc1413_query_timeout = 0;
1128 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1129 uid_t root_gid = ROOT_GID;
1130 uid_t root_uid = ROOT_UID;
1131
1132 router_instance *routers = NULL;
1133 router_instance router_defaults = {
1134 NULL, /* chain pointer */
1135 NULL, /* name */
1136 NULL, /* info */
1137 NULL, /* private options block pointer */
1138 NULL, /* driver name */
1139
1140 NULL, /* address_data */
1141 #ifdef EXPERIMENTAL_BRIGHTMAIL
1142 NULL, /* bmi_rule */
1143 #endif
1144 NULL, /* cannot_route_message */
1145 NULL, /* condition */
1146 NULL, /* current_directory */
1147 NULL, /* debug_string */
1148 NULL, /* domains */
1149 NULL, /* errors_to */
1150 NULL, /* expand_gid */
1151 NULL, /* expand_uid */
1152 NULL, /* expand_more */
1153 NULL, /* expand_unseen */
1154 NULL, /* extra_headers */
1155 NULL, /* fallback_hosts */
1156 NULL, /* home_directory */
1157 NULL, /* ignore_target_hosts */
1158 NULL, /* local_parts */
1159 NULL, /* pass_router_name */
1160 NULL, /* prefix */
1161 NULL, /* redirect_router_name */
1162 NULL, /* remove_headers */
1163 NULL, /* require_files */
1164 NULL, /* router_home_directory */
1165 US"freeze", /* self */
1166 NULL, /* senders */
1167 NULL, /* suffix */
1168 NULL, /* translate_ip_address */
1169 NULL, /* transport_name */
1170
1171 TRUE, /* address_test */
1172 #ifdef EXPERIMENTAL_BRIGHTMAIL
1173 FALSE, /* bmi_deliver_alternate */
1174 FALSE, /* bmi_deliver_default */
1175 FALSE, /* bmi_dont_deliver */
1176 #endif
1177 TRUE, /* expn */
1178 FALSE, /* caseful_local_part */
1179 FALSE, /* check_local_user */
1180 FALSE, /* disable_logging */
1181 FALSE, /* fail_verify_recipient */
1182 FALSE, /* fail_verify_sender */
1183 FALSE, /* gid_set */
1184 FALSE, /* initgroups */
1185 TRUE_UNSET, /* log_as_local */
1186 TRUE, /* more */
1187 FALSE, /* pass_on_timeout */
1188 FALSE, /* prefix_optional */
1189 TRUE, /* repeat_use */
1190 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1191 FALSE, /* same_domain_copy_routing */
1192 FALSE, /* self_rewrite */
1193 FALSE, /* suffix_optional */
1194 FALSE, /* verify_only */
1195 TRUE, /* verify_recipient */
1196 TRUE, /* verify_sender */
1197 FALSE, /* uid_set */
1198 FALSE, /* unseen */
1199 FALSE, /* dsn_lasthop */
1200
1201 self_freeze, /* self_code */
1202 (uid_t)(-1), /* uid */
1203 (gid_t)(-1), /* gid */
1204
1205 NULL, /* fallback_hostlist */
1206 NULL, /* transport instance */
1207 NULL, /* pass_router */
1208 NULL, /* redirect_router */
1209
1210 { NULL, NULL }, /* dnssec_domains {require,request} */
1211 };
1212
1213 uschar *router_name = NULL;
1214
1215 ip_address_item *running_interfaces = NULL;
1216 BOOL running_in_test_harness = FALSE;
1217
1218 /* This is a weird one. The following string gets patched in the binary by the
1219 script that sets up a copy of Exim for running in the test harness. It seems
1220 that compilers are now clever, and share constant strings if they can.
1221 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1222 make use of the end of this string in order to save space. So the patching then
1223 wrecks this. We defeat this optimization by adding some additional characters
1224 onto the end of the string. */
1225
1226 uschar *running_status = US">>>running<<<" "\0EXTRA";
1227
1228 int runrc = 0;
1229
1230 uschar *search_error_message = NULL;
1231 BOOL search_find_defer = FALSE;
1232 uschar *self_hostname = NULL;
1233 uschar *sender_address = NULL;
1234 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1235 uschar *sender_address_data = NULL;
1236 BOOL sender_address_forced = FALSE;
1237 uschar *sender_address_unrewritten = NULL;
1238 uschar *sender_data = NULL;
1239 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1240 uschar *sender_fullhost = NULL;
1241 BOOL sender_helo_dnssec = FALSE;
1242 uschar *sender_helo_name = NULL;
1243 uschar **sender_host_aliases = &no_aliases;
1244 uschar *sender_host_address = NULL;
1245 uschar *sender_host_authenticated = NULL;
1246 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1247 BOOL sender_host_dnssec = FALSE;
1248 uschar *sender_host_name = NULL;
1249 int sender_host_port = 0;
1250 BOOL sender_host_notsocket = FALSE;
1251 BOOL sender_host_unknown = FALSE;
1252 uschar *sender_ident = NULL;
1253 BOOL sender_local = FALSE;
1254 BOOL sender_name_forced = FALSE;
1255 uschar *sender_rate = NULL;
1256 uschar *sender_rate_limit = NULL;
1257 uschar *sender_rate_period = NULL;
1258 uschar *sender_rcvhost = NULL;
1259 BOOL sender_set_untrusted = FALSE;
1260 uschar *sender_unqualified_hosts = NULL;
1261 uschar *sender_verify_failure = NULL;
1262 address_item *sender_verified_list = NULL;
1263 address_item *sender_verified_failed = NULL;
1264 int sender_verified_rc = -1;
1265 BOOL sender_verified_responded = FALSE;
1266 uschar *sending_ip_address = NULL;
1267 int sending_port = -1;
1268 SIGNAL_BOOL sigalrm_seen = FALSE;
1269 uschar **sighup_argv = NULL;
1270 int slow_lookup_log = 0; /* millisecs, zero disables */
1271 int smtp_accept_count = 0;
1272 BOOL smtp_accept_keepalive = TRUE;
1273 int smtp_accept_max = 20;
1274 int smtp_accept_max_nonmail= 10;
1275 uschar *smtp_accept_max_nonmail_hosts = US"*";
1276 int smtp_accept_max_per_connection = 1000;
1277 uschar *smtp_accept_max_per_host = NULL;
1278 int smtp_accept_queue = 0;
1279 int smtp_accept_queue_per_connection = 10;
1280 int smtp_accept_reserve = 0;
1281 uschar *smtp_active_hostname = NULL;
1282 BOOL smtp_authenticated = FALSE;
1283 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1284 "Exim $version_number $tod_full"
1285 "\0<---------------Space to patch smtp_banner->";
1286 BOOL smtp_batched_input = FALSE;
1287 BOOL smtp_check_spool_space = TRUE;
1288 int smtp_ch_index = 0;
1289 uschar *smtp_cmd_argument = NULL;
1290 uschar *smtp_cmd_buffer = NULL;
1291 time_t smtp_connection_start = 0;
1292 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1293 int smtp_connect_backlog = 20;
1294 double smtp_delay_mail = 0.0;
1295 double smtp_delay_rcpt = 0.0;
1296 BOOL smtp_enforce_sync = TRUE;
1297 FILE *smtp_in = NULL;
1298 BOOL smtp_input = FALSE;
1299 int smtp_load_reserve = -1;
1300 int smtp_mailcmd_count = 0;
1301 FILE *smtp_out = NULL;
1302 uschar *smtp_etrn_command = NULL;
1303 BOOL smtp_etrn_serialize = TRUE;
1304 int smtp_max_synprot_errors= 3;
1305 int smtp_max_unknown_commands = 3;
1306 uschar *smtp_notquit_reason = NULL;
1307 uschar *smtp_ratelimit_hosts = NULL;
1308 uschar *smtp_ratelimit_mail = NULL;
1309 uschar *smtp_ratelimit_rcpt = NULL;
1310 uschar *smtp_read_error = US"";
1311 int smtp_receive_timeout = 5*60;
1312 uschar *smtp_receive_timeout_s = NULL;
1313 uschar *smtp_reserve_hosts = NULL;
1314 BOOL smtp_return_error_details = FALSE;
1315 int smtp_rlm_base = 0;
1316 double smtp_rlm_factor = 0.0;
1317 int smtp_rlm_limit = 0;
1318 int smtp_rlm_threshold = INT_MAX;
1319 int smtp_rlr_base = 0;
1320 double smtp_rlr_factor = 0.0;
1321 int smtp_rlr_limit = 0;
1322 int smtp_rlr_threshold = INT_MAX;
1323 unsigned smtp_peer_options = 0;
1324 unsigned smtp_peer_options_wrap= 0;
1325 #ifdef SUPPORT_I18N
1326 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1327 #endif
1328
1329 #ifdef WITH_CONTENT_SCAN
1330 uschar *spamd_address = US"127.0.0.1 783";
1331 uschar *spam_bar = NULL;
1332 uschar *spam_report = NULL;
1333 uschar *spam_action = NULL;
1334 uschar *spam_score = NULL;
1335 uschar *spam_score_int = NULL;
1336 #endif
1337 #ifdef EXPERIMENTAL_SPF
1338 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1339 uschar *spf_header_comment = NULL;
1340 uschar *spf_received = NULL;
1341 uschar *spf_result = NULL;
1342 uschar *spf_smtp_comment = NULL;
1343 #endif
1344
1345 BOOL split_spool_directory = FALSE;
1346 uschar *spool_directory = US SPOOL_DIRECTORY
1347 "\0<--------------Space to patch spool_directory->";
1348 #ifdef EXPERIMENTAL_SRS
1349 uschar *srs_config = NULL;
1350 uschar *srs_db_address = NULL;
1351 uschar *srs_db_key = NULL;
1352 int srs_hashlength = 6;
1353 int srs_hashmin = -1;
1354 int srs_maxage = 31;
1355 uschar *srs_orig_recipient = NULL;
1356 uschar *srs_orig_sender = NULL;
1357 uschar *srs_recipient = NULL;
1358 uschar *srs_secrets = NULL;
1359 uschar *srs_status = NULL;
1360 BOOL srs_usehash = TRUE;
1361 BOOL srs_usetimestamp = TRUE;
1362 #endif
1363 BOOL strict_acl_vars = FALSE;
1364 int string_datestamp_offset= -1;
1365 int string_datestamp_length= 0;
1366 int string_datestamp_type = -1;
1367 BOOL strip_excess_angle_brackets = FALSE;
1368 BOOL strip_trailing_dot = FALSE;
1369 uschar *submission_domain = NULL;
1370 BOOL submission_mode = FALSE;
1371 uschar *submission_name = NULL;
1372 BOOL suppress_local_fixups = FALSE;
1373 BOOL suppress_local_fixups_default = FALSE;
1374 BOOL synchronous_delivery = FALSE;
1375 BOOL syslog_duplication = TRUE;
1376 int syslog_facility = LOG_MAIL;
1377 uschar *syslog_processname = US"exim";
1378 BOOL syslog_timestamp = TRUE;
1379 uschar *system_filter = NULL;
1380
1381 uschar *system_filter_directory_transport = NULL;
1382 uschar *system_filter_file_transport = NULL;
1383 uschar *system_filter_pipe_transport = NULL;
1384 uschar *system_filter_reply_transport = NULL;
1385
1386 gid_t system_filter_gid = 0;
1387 BOOL system_filter_gid_set = FALSE;
1388 uid_t system_filter_uid = (uid_t)-1;
1389 BOOL system_filter_uid_set = FALSE;
1390 BOOL system_filtering = FALSE;
1391
1392 BOOL tcp_nodelay = TRUE;
1393 #ifdef USE_TCP_WRAPPERS
1394 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1395 #endif
1396 int test_harness_load_avg = 0;
1397 int thismessage_size_limit = 0;
1398 int timeout_frozen_after = 0;
1399 BOOL timestamps_utc = FALSE;
1400
1401 transport_instance *transports = NULL;
1402
1403 transport_instance transport_defaults = {
1404 NULL, /* chain pointer */
1405 NULL, /* name */
1406 NULL, /* info */
1407 NULL, /* private options block pointer */
1408 NULL, /* driver name */
1409 NULL, /* setup entry point */
1410 1, /* batch_max */
1411 NULL, /* batch_id */
1412 NULL, /* home_dir */
1413 NULL, /* current_dir */
1414 NULL, /* expand-multi-domain */
1415 TRUE, /* multi-domain */
1416 FALSE, /* overrides_hosts */
1417 100, /* max_addresses */
1418 500, /* connection_max_messages */
1419 FALSE, /* deliver_as_creator */
1420 FALSE, /* disable_logging */
1421 FALSE, /* initgroups */
1422 FALSE, /* uid_set */
1423 FALSE, /* gid_set */
1424 (uid_t)(-1), /* uid */
1425 (gid_t)(-1), /* gid */
1426 NULL, /* expand_uid */
1427 NULL, /* expand_gid */
1428 NULL, /* warn_message */
1429 NULL, /* shadow */
1430 NULL, /* shadow_condition */
1431 NULL, /* filter_command */
1432 NULL, /* add_headers */
1433 NULL, /* remove_headers */
1434 NULL, /* return_path */
1435 NULL, /* debug_string */
1436 NULL, /* max_parallel */
1437 NULL, /* message_size_limit */
1438 NULL, /* headers_rewrite */
1439 NULL, /* rewrite_rules */
1440 0, /* rewrite_existflags */
1441 300, /* filter_timeout */
1442 FALSE, /* body_only */
1443 FALSE, /* delivery_date_add */
1444 FALSE, /* envelope_to_add */
1445 FALSE, /* headers_only */
1446 FALSE, /* rcpt_include_affixes */
1447 FALSE, /* return_path_add */
1448 FALSE, /* return_output */
1449 FALSE, /* return_fail_output */
1450 FALSE, /* log_output */
1451 FALSE, /* log_fail_output */
1452 FALSE, /* log_defer_output */
1453 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1454 1 nor 0 so can detect unset */
1455 #ifndef DISABLE_EVENT
1456 ,NULL /* event_action */
1457 #endif
1458 };
1459
1460 int transport_count;
1461 uschar *transport_name = NULL;
1462 int transport_newlines;
1463 const uschar **transport_filter_argv = NULL;
1464 int transport_filter_timeout;
1465 BOOL transport_filter_timed_out = FALSE;
1466 int transport_write_timeout= 0;
1467
1468 tree_node *tree_dns_fails = NULL;
1469 tree_node *tree_duplicates = NULL;
1470 tree_node *tree_nonrecipients = NULL;
1471 tree_node *tree_unusable = NULL;
1472
1473 BOOL trusted_caller = FALSE;
1474 BOOL trusted_config = TRUE;
1475 gid_t *trusted_groups = NULL;
1476 uid_t *trusted_users = NULL;
1477 uschar *timezone_string = US TIMEZONE_DEFAULT;
1478
1479 uschar *unknown_login = NULL;
1480 uschar *unknown_username = NULL;
1481 uschar *untrusted_set_sender = NULL;
1482
1483 /* A regex for matching a "From_" line in an incoming message, in the form
1484
1485 From ph10 Fri Jan 5 12:35 GMT 1996
1486
1487 which the "mail" commands send to the MTA (undocumented, of course), or in
1488 the form
1489
1490 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1491
1492 which is apparently used by some UUCPs, despite it not being in RFC 976.
1493 Because of variations in time formats, just match up to the minutes. That
1494 should be sufficient. Examples have been seen of time fields like 12:1:03,
1495 so just require one digit for hours and minutes. The weekday is also absent
1496 in some forms. */
1497
1498 uschar *uucp_from_pattern = US
1499 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1500 "(?:" /* Non-extracting bracket */
1501 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1502 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1503 ")" /* End alternation */
1504 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1505
1506 uschar *uucp_from_sender = US"$1";
1507
1508 uschar *verify_mode = NULL;
1509 uschar *version_copyright =
1510 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1511 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
1512 uschar *version_date = US"?";
1513 uschar *version_cnumber = US"????";
1514 uschar *version_string = US"?";
1515
1516 uschar *warn_message_file = NULL;
1517 int warning_count = 0;
1518 uschar *warnmsg_delay = NULL;
1519 uschar *warnmsg_recipients = NULL;
1520 BOOL write_rejectlog = TRUE;
1521
1522
1523 /* End of globals.c */
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