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[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2017 */
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 = nelem(optionlist_auths);
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"auto";
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)(unsigned) = stdin_getc;
187 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
188 int (*receive_getc)(unsigned) = 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 int acl_level = 0;
232
233 uschar *acl_not_smtp = NULL;
234 #ifdef WITH_CONTENT_SCAN
235 uschar *acl_not_smtp_mime = NULL;
236 #endif
237 uschar *acl_not_smtp_start = NULL;
238 uschar *acl_removed_headers = NULL;
239 uschar *acl_smtp_auth = NULL;
240 uschar *acl_smtp_connect = NULL;
241 uschar *acl_smtp_data = NULL;
242 #ifndef DISABLE_PRDR
243 uschar *acl_smtp_data_prdr = US"accept";
244 #endif
245 #ifndef DISABLE_DKIM
246 uschar *acl_smtp_dkim = NULL;
247 #endif
248 uschar *acl_smtp_etrn = NULL;
249 uschar *acl_smtp_expn = NULL;
250 uschar *acl_smtp_helo = NULL;
251 uschar *acl_smtp_mail = NULL;
252 uschar *acl_smtp_mailauth = NULL;
253 #ifdef WITH_CONTENT_SCAN
254 uschar *acl_smtp_mime = NULL;
255 #endif
256 uschar *acl_smtp_notquit = NULL;
257 uschar *acl_smtp_predata = NULL;
258 uschar *acl_smtp_quit = NULL;
259 uschar *acl_smtp_rcpt = NULL;
260 uschar *acl_smtp_starttls = NULL;
261 uschar *acl_smtp_vrfy = NULL;
262
263 BOOL acl_temp_details = FALSE;
264 tree_node *acl_var_c = NULL;
265 tree_node *acl_var_m = NULL;
266 uschar *acl_verify_message = NULL;
267 string_item *acl_warn_logged = NULL;
268
269 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
270 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
271
272 uschar *acl_wherenames[] = { US"RCPT",
273 US"MAIL",
274 US"PREDATA",
275 US"MIME",
276 US"DKIM",
277 US"DATA",
278 #ifndef DISABLE_PRDR
279 US"PRDR",
280 #endif
281 US"non-SMTP",
282 US"AUTH",
283 US"connection",
284 US"ETRN",
285 US"EXPN",
286 US"EHLO or HELO",
287 US"MAILAUTH",
288 US"non-SMTP-start",
289 US"NOTQUIT",
290 US"QUIT",
291 US"STARTTLS",
292 US"VRFY",
293 US"delivery",
294 US"unknown"
295 };
296
297 uschar *acl_wherecodes[] = { US"550", /* RCPT */
298 US"550", /* MAIL */
299 US"550", /* PREDATA */
300 US"550", /* MIME */
301 US"550", /* DKIM */
302 US"550", /* DATA */
303 #ifndef DISABLE_PRDR
304 US"550", /* RCPT PRDR */
305 #endif
306 US"0", /* not SMTP; not relevant */
307 US"503", /* AUTH */
308 US"550", /* connect */
309 US"458", /* ETRN */
310 US"550", /* EXPN */
311 US"550", /* HELO/EHLO */
312 US"0", /* MAILAUTH; not relevant */
313 US"0", /* not SMTP; not relevant */
314 US"0", /* NOTQUIT; not relevant */
315 US"0", /* QUIT; not relevant */
316 US"550", /* STARTTLS */
317 US"252", /* VRFY */
318 US"0", /* delivery; not relevant */
319 US"0" /* unknown; not relevant */
320 };
321
322 BOOL active_local_from_check = FALSE;
323 BOOL active_local_sender_retain = FALSE;
324 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
325 uschar *add_environment = NULL;
326 address_item *addr_duplicate = NULL;
327
328 address_item address_defaults = {
329 NULL, /* next */
330 NULL, /* parent */
331 NULL, /* first */
332 NULL, /* dupof */
333 NULL, /* start_router */
334 NULL, /* router */
335 NULL, /* transport */
336 NULL, /* host_list */
337 NULL, /* host_used */
338 NULL, /* fallback_hosts */
339 NULL, /* reply */
340 NULL, /* retries */
341 NULL, /* address */
342 NULL, /* unique */
343 NULL, /* cc_local_part */
344 NULL, /* lc_local_part */
345 NULL, /* local_part */
346 NULL, /* prefix */
347 NULL, /* suffix */
348 NULL, /* domain */
349 NULL, /* address_retry_key */
350 NULL, /* domain_retry_key */
351 NULL, /* current_dir */
352 NULL, /* home_dir */
353 NULL, /* message */
354 NULL, /* user_message */
355 NULL, /* onetime_parent */
356 NULL, /* pipe_expandn */
357 NULL, /* return_filename */
358 NULL, /* self_hostname */
359 NULL, /* shadow_message */
360 #ifdef SUPPORT_TLS
361 NULL, /* cipher */
362 NULL, /* ourcert */
363 NULL, /* peercert */
364 NULL, /* peerdn */
365 OCSP_NOT_REQ, /* ocsp */
366 #endif
367 #ifdef EXPERIMENTAL_DSN_INFO
368 NULL, /* smtp_greeting */
369 NULL, /* helo_response */
370 #endif
371 NULL, /* authenticator */
372 NULL, /* auth_id */
373 NULL, /* auth_sndr */
374 NULL, /* dsn_orcpt */
375 0, /* dsn_flags */
376 0, /* dsn_aware */
377 (uid_t)(-1), /* uid */
378 (gid_t)(-1), /* gid */
379 0, /* flags */
380 { 0 }, /* domain_cache - any larger array should be zeroed */
381 { 0 }, /* localpart_cache - ditto */
382 -1, /* mode */
383 0, /* more_errno */
384 ERRNO_UNKNOWNERROR, /* basic_errno */
385 0, /* child_count */
386 -1, /* return_file */
387 SPECIAL_NONE, /* special_action */
388 DEFER, /* transport_return */
389 { /* fields that are propagated to children */
390 NULL, /* address_data */
391 NULL, /* domain_data */
392 NULL, /* localpart_data */
393 NULL, /* errors_address */
394 NULL, /* extra_headers */
395 NULL, /* remove_headers */
396 #ifdef EXPERIMENTAL_SRS
397 NULL, /* srs_sender */
398 #endif
399 #ifdef SUPPORT_I18N
400 FALSE, /* utf8 */
401 #endif
402 }
403 };
404
405 uschar *address_file = NULL;
406 uschar *address_pipe = NULL;
407 BOOL address_test_mode = FALSE;
408 tree_node *addresslist_anchor = NULL;
409 int addresslist_count = 0;
410 gid_t *admin_groups = NULL;
411 BOOL admin_user = FALSE;
412 BOOL allow_auth_unadvertised= FALSE;
413 BOOL allow_domain_literals = FALSE;
414 BOOL allow_mx_to_ip = FALSE;
415 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
416 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
417 BOOL allow_utf8_domains = FALSE;
418 uschar *authenticated_fail_id = NULL;
419 uschar *authenticated_id = NULL;
420 uschar *authenticated_sender = NULL;
421 BOOL authentication_failed = FALSE;
422 auth_instance *auths = NULL;
423 uschar *auth_advertise_hosts = US"*";
424 auth_instance auth_defaults = {
425 NULL, /* chain pointer */
426 NULL, /* name */
427 NULL, /* info */
428 NULL, /* private options block pointer */
429 NULL, /* driver_name */
430 NULL, /* advertise_condition */
431 NULL, /* client_condition */
432 NULL, /* public_name */
433 NULL, /* set_id */
434 NULL, /* set_client_id */
435 NULL, /* server_mail_auth_condition */
436 NULL, /* server_debug_string */
437 NULL, /* server_condition */
438 FALSE, /* client */
439 FALSE, /* server */
440 FALSE /* advertised */
441 };
442
443 uschar *auth_defer_msg = US"reason not recorded";
444 uschar *auth_defer_user_msg = US"";
445 uschar *auth_vars[AUTH_VARS];
446 int auto_thaw = 0;
447 #ifdef WITH_CONTENT_SCAN
448 BOOL av_failed = FALSE;
449 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
450 #endif
451
452 BOOL background_daemon = TRUE;
453
454 #if BASE_62 == 62
455 uschar *base62_chars=
456 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
457 #else
458 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
459 #endif
460
461 uschar *bi_command = NULL;
462 uschar *big_buffer = NULL;
463 int big_buffer_size = BIG_BUFFER_SIZE;
464 #ifdef EXPERIMENTAL_BRIGHTMAIL
465 uschar *bmi_alt_location = NULL;
466 uschar *bmi_base64_tracker_verdict = NULL;
467 uschar *bmi_base64_verdict = NULL;
468 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
469 int bmi_deliver = 1;
470 int bmi_run = 0;
471 uschar *bmi_verdicts = NULL;
472 #endif
473 int body_8bitmime = 0;
474 int body_linecount = 0;
475 int body_zerocount = 0;
476 uschar *bounce_message_file = NULL;
477 uschar *bounce_message_text = NULL;
478 uschar *bounce_recipient = NULL;
479 BOOL bounce_return_body = TRUE;
480 int bounce_return_linesize_limit = 998;
481 BOOL bounce_return_message = TRUE;
482 int bounce_return_size_limit = 100*1024;
483 uschar *bounce_sender_authentication = NULL;
484 int bsmtp_transaction_linecount = 0;
485
486 uschar *callout_address = NULL;
487 int callout_cache_domain_positive_expire = 7*24*60*60;
488 int callout_cache_domain_negative_expire = 3*60*60;
489 int callout_cache_positive_expire = 24*60*60;
490 int callout_cache_negative_expire = 2*60*60;
491 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
492 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
493 int check_log_inodes = 100;
494 int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
495 BOOL check_rfc2047_length = TRUE;
496 int check_spool_inodes = 100;
497 int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
498
499 uschar *chunking_advertise_hosts = US"*";
500 unsigned chunking_datasize = 0;
501 unsigned chunking_data_left = 0;
502 BOOL chunking_offered = FALSE;
503 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
504 const pcre *regex_CHUNKING = NULL;
505
506 uschar *client_authenticator = NULL;
507 uschar *client_authenticated_id = NULL;
508 uschar *client_authenticated_sender = NULL;
509 int clmacro_count = 0;
510 uschar *clmacros[MAX_CLMACROS];
511 BOOL config_changed = FALSE;
512 FILE *config_file = NULL;
513 const uschar *config_filename = NULL;
514 int config_lineno = 0;
515 #ifdef CONFIGURE_GROUP
516 gid_t config_gid = CONFIGURE_GROUP;
517 #else
518 gid_t config_gid = 0;
519 #endif
520 uschar *config_main_filelist = US CONFIGURE_FILE
521 "\0<-----------Space to patch configure_filename->";
522 uschar *config_main_filename = NULL;
523 uschar *config_main_directory = NULL;
524
525 #ifdef CONFIGURE_OWNER
526 uid_t config_uid = CONFIGURE_OWNER;
527 #else
528 uid_t config_uid = 0;
529 #endif
530
531 int connection_max_messages= -1;
532 uschar *continue_hostname = NULL;
533 uschar *continue_host_address = NULL;
534 BOOL continue_more = FALSE;
535 int continue_sequence = 1;
536 uschar *continue_transport = NULL;
537
538 uschar *csa_status = NULL;
539 cut_t cutthrough = {
540 FALSE, /* delivery: when to attempt */
541 FALSE, /* on defer: spool locally */
542 -1, /* fd: open connection */
543 0, /* nrcpt: number of addresses */
544 };
545
546 BOOL daemon_listen = FALSE;
547 uschar *daemon_smtp_port = US"smtp";
548 int daemon_startup_retries = 9;
549 int daemon_startup_sleep = 30;
550
551 #ifdef EXPERIMENTAL_DCC
552 BOOL dcc_direct_add_header = FALSE;
553 uschar *dcc_header = NULL;
554 uschar *dcc_result = NULL;
555 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
556 uschar *dccifd_options = US"header";
557 #endif
558
559 BOOL debug_daemon = FALSE;
560 int debug_fd = -1;
561 FILE *debug_file = NULL;
562 int debug_notall[] = {
563 Di_memory,
564 -1
565 };
566 bit_table debug_options[] = { /* must be in alphabetical order */
567 BIT_TABLE(D, acl),
568 BIT_TABLE(D, all),
569 BIT_TABLE(D, auth),
570 BIT_TABLE(D, deliver),
571 BIT_TABLE(D, dns),
572 BIT_TABLE(D, dnsbl),
573 BIT_TABLE(D, exec),
574 BIT_TABLE(D, expand),
575 BIT_TABLE(D, filter),
576 BIT_TABLE(D, hints_lookup),
577 BIT_TABLE(D, host_lookup),
578 BIT_TABLE(D, ident),
579 BIT_TABLE(D, interface),
580 BIT_TABLE(D, lists),
581 BIT_TABLE(D, load),
582 BIT_TABLE(D, local_scan),
583 BIT_TABLE(D, lookup),
584 BIT_TABLE(D, memory),
585 BIT_TABLE(D, pid),
586 BIT_TABLE(D, process_info),
587 BIT_TABLE(D, queue_run),
588 BIT_TABLE(D, receive),
589 BIT_TABLE(D, resolver),
590 BIT_TABLE(D, retry),
591 BIT_TABLE(D, rewrite),
592 BIT_TABLE(D, route),
593 BIT_TABLE(D, timestamp),
594 BIT_TABLE(D, tls),
595 BIT_TABLE(D, transport),
596 BIT_TABLE(D, uid),
597 BIT_TABLE(D, verify),
598 };
599 int debug_options_count = nelem(debug_options);
600
601 unsigned int debug_selector = 0;
602 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
603 uschar *delay_warning_condition=
604 US"${if or {"
605 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
606 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
607 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
608 "} {no}{yes}}";
609 BOOL delivery_date_remove = TRUE;
610 uschar *deliver_address_data = NULL;
611 int deliver_datafile = -1;
612 const uschar *deliver_domain = NULL;
613 uschar *deliver_domain_data = NULL;
614 const uschar *deliver_domain_orig = NULL;
615 const uschar *deliver_domain_parent = NULL;
616 BOOL deliver_drop_privilege = FALSE;
617 BOOL deliver_firsttime = FALSE;
618 BOOL deliver_force = FALSE;
619 BOOL deliver_freeze = FALSE;
620 time_t deliver_frozen_at = 0;
621 uschar *deliver_home = NULL;
622 const uschar *deliver_host = NULL;
623 const uschar *deliver_host_address = NULL;
624 int deliver_host_port = 0;
625 uschar *deliver_in_buffer = NULL;
626 ino_t deliver_inode = 0;
627 uschar *deliver_localpart = NULL;
628 uschar *deliver_localpart_data = NULL;
629 uschar *deliver_localpart_orig = NULL;
630 uschar *deliver_localpart_parent = NULL;
631 uschar *deliver_localpart_prefix = NULL;
632 uschar *deliver_localpart_suffix = NULL;
633 BOOL deliver_force_thaw = FALSE;
634 BOOL deliver_manual_thaw = FALSE;
635 uschar *deliver_out_buffer = NULL;
636 int deliver_queue_load_max = -1;
637 address_item *deliver_recipients = NULL;
638 uschar *deliver_selectstring = NULL;
639 BOOL deliver_selectstring_regex = FALSE;
640 uschar *deliver_selectstring_sender = NULL;
641 BOOL deliver_selectstring_sender_regex = FALSE;
642 BOOL disable_callout_flush = FALSE;
643 BOOL disable_delay_flush = FALSE;
644 #ifdef ENABLE_DISABLE_FSYNC
645 BOOL disable_fsync = FALSE;
646 #endif
647 BOOL disable_ipv6 = FALSE;
648 BOOL disable_logging = FALSE;
649
650 #ifndef DISABLE_DKIM
651 BOOL dkim_collect_input = FALSE;
652 uschar *dkim_cur_signer = NULL;
653 BOOL dkim_disable_verify = FALSE;
654 int dkim_key_length = 0;
655 uschar *dkim_signers = NULL;
656 uschar *dkim_signing_domain = NULL;
657 uschar *dkim_signing_selector = NULL;
658 uschar *dkim_verify_signers = US"$dkim_signers";
659 #endif
660 #ifdef EXPERIMENTAL_DMARC
661 BOOL dmarc_has_been_checked = FALSE;
662 uschar *dmarc_ar_header = NULL;
663 uschar *dmarc_domain_policy = NULL;
664 uschar *dmarc_forensic_sender = NULL;
665 uschar *dmarc_history_file = NULL;
666 uschar *dmarc_status = NULL;
667 uschar *dmarc_status_text = NULL;
668 uschar *dmarc_tld_file = NULL;
669 uschar *dmarc_used_domain = NULL;
670 BOOL dmarc_disable_verify = FALSE;
671 BOOL dmarc_enable_forensic = FALSE;
672 #endif
673
674 uschar *dns_again_means_nonexist = NULL;
675 int dns_csa_search_limit = 5;
676 BOOL dns_csa_use_reverse = TRUE;
677 #ifdef EXPERIMENTAL_DANE
678 int dns_dane_ok = -1;
679 #endif
680 uschar *dns_ipv4_lookup = NULL;
681 int dns_retrans = 0;
682 int dns_retry = 0;
683 int dns_dnssec_ok = -1; /* <0 = not coerced */
684 uschar *dns_trust_aa = NULL;
685 int dns_use_edns0 = -1; /* <0 = not coerced */
686 uschar *dnslist_domain = NULL;
687 uschar *dnslist_matched = NULL;
688 uschar *dnslist_text = NULL;
689 uschar *dnslist_value = NULL;
690 tree_node *domainlist_anchor = NULL;
691 int domainlist_count = 0;
692 BOOL dont_deliver = FALSE;
693 BOOL dot_ends = TRUE;
694 BOOL drop_cr = FALSE; /* No longer used */
695 uschar *dsn_from = US DEFAULT_DSN_FROM;
696
697 BOOL enable_dollar_recipients = FALSE;
698 BOOL envelope_to_remove = TRUE;
699 int errno_quota = ERRNO_QUOTA;
700 uschar *errors_copy = NULL;
701 int error_handling = ERRORS_SENDER;
702 uschar *errors_reply_to = NULL;
703 int errors_sender_rc = EXIT_FAILURE;
704 #ifndef DISABLE_EVENT
705 uschar *event_action = NULL; /* expansion for delivery events */
706 uschar *event_data = NULL; /* auxiliary data variable for event */
707 int event_defer_errno = 0;
708 const uschar *event_name = NULL; /* event name variable */
709 #endif
710
711
712 gid_t exim_gid = EXIM_GID;
713 BOOL exim_gid_set = TRUE; /* This gid is always set */
714 uschar *exim_path = US BIN_DIRECTORY "/exim"
715 "\0<---------------Space to patch exim_path->";
716 uid_t exim_uid = EXIM_UID;
717 BOOL exim_uid_set = TRUE; /* This uid is always set */
718 int expand_level = 0; /* Nesting depth, indent for debug */
719 int expand_forbid = 0;
720 int expand_nlength[EXPAND_MAXN+1];
721 int expand_nmax = -1;
722 uschar *expand_nstring[EXPAND_MAXN+1];
723 BOOL expand_string_forcedfail = FALSE;
724 uschar *expand_string_message;
725 BOOL extract_addresses_remove_arguments = TRUE;
726 uschar *extra_local_interfaces = NULL;
727
728 int fake_response = OK;
729 uschar *fake_response_text = US"Your message has been rejected but is "
730 "being kept for evaluation.\nIf it was a "
731 "legitimate message, it may still be "
732 "delivered to the target recipient(s).";
733 int filter_n[FILTER_VARIABLE_COUNT];
734 BOOL filter_running = FALSE;
735 int filter_sn[FILTER_VARIABLE_COUNT];
736 int filter_test = FTEST_NONE;
737 uschar *filter_test_sfile = NULL;
738 uschar *filter_test_ufile = NULL;
739 uschar *filter_thisaddress = NULL;
740 int finduser_retries = 0;
741 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
742 uschar *freeze_tell = NULL;
743 uschar *freeze_tell_config = NULL;
744 uschar *fudged_queue_times = US"";
745
746 uschar *gecos_name = NULL;
747 uschar *gecos_pattern = NULL;
748 rewrite_rule *global_rewrite_rules = NULL;
749
750 uschar *headers_charset = US HEADERS_CHARSET;
751 int header_insert_maxlen = 64 * 1024;
752 header_line *header_last = NULL;
753 header_line *header_list = NULL;
754 int header_maxsize = HEADER_MAXSIZE;
755 int header_line_maxsize = 0;
756
757 header_name header_names[] = {
758 { US"bcc", 3, TRUE, htype_bcc },
759 { US"cc", 2, TRUE, htype_cc },
760 { US"date", 4, TRUE, htype_date },
761 { US"delivery-date", 13, FALSE, htype_delivery_date },
762 { US"envelope-to", 11, FALSE, htype_envelope_to },
763 { US"from", 4, TRUE, htype_from },
764 { US"message-id", 10, TRUE, htype_id },
765 { US"received", 8, FALSE, htype_received },
766 { US"reply-to", 8, FALSE, htype_reply_to },
767 { US"return-path", 11, FALSE, htype_return_path },
768 { US"sender", 6, TRUE, htype_sender },
769 { US"subject", 7, FALSE, htype_subject },
770 { US"to", 2, TRUE, htype_to }
771 };
772
773 int header_names_size = sizeof(header_names)/sizeof(header_name);
774
775 BOOL header_rewritten = FALSE;
776 uschar *helo_accept_junk_hosts = NULL;
777 uschar *helo_allow_chars = US"";
778 uschar *helo_lookup_domains = US"@ : @[]";
779 uschar *helo_try_verify_hosts = NULL;
780 BOOL helo_verified = FALSE;
781 BOOL helo_verify_failed = FALSE;
782 uschar *helo_verify_hosts = NULL;
783 const uschar *hex_digits = CUS"0123456789abcdef";
784 uschar *hold_domains = NULL;
785 BOOL host_checking = FALSE;
786 BOOL host_checking_callout = FALSE;
787 uschar *host_data = NULL;
788 BOOL host_find_failed_syntax= FALSE;
789 uschar *host_lookup = NULL;
790 BOOL host_lookup_deferred = FALSE;
791 BOOL host_lookup_failed = FALSE;
792 uschar *host_lookup_order = US"bydns:byaddr";
793 uschar *host_lookup_msg = US"";
794 int host_number = 0;
795 uschar *host_number_string = NULL;
796 uschar *host_reject_connection = NULL;
797 tree_node *hostlist_anchor = NULL;
798 int hostlist_count = 0;
799 uschar *hosts_treat_as_local = NULL;
800 uschar *hosts_connection_nolog = NULL;
801
802 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
803 BOOL ignore_fromline_local = FALSE;
804 uschar *ignore_fromline_hosts = NULL;
805 BOOL inetd_wait_mode = FALSE;
806 int inetd_wait_timeout = -1;
807 uschar *initial_cwd = NULL;
808 uschar *interface_address = NULL;
809 int interface_port = -1;
810 BOOL is_inetd = FALSE;
811 uschar *iterate_item = NULL;
812
813 int journal_fd = -1;
814
815 uschar *keep_environment = NULL;
816
817 int keep_malformed = 4*24*60*60; /* 4 days */
818
819 uschar *eldap_dn = NULL;
820 int load_average = -2;
821 BOOL local_error_message = FALSE;
822 BOOL local_from_check = TRUE;
823 uschar *local_from_prefix = NULL;
824 uschar *local_from_suffix = NULL;
825
826 #if HAVE_IPV6
827 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
828 #else
829 uschar *local_interfaces = US"0.0.0.0";
830 #endif
831
832 uschar *local_scan_data = NULL;
833 int local_scan_timeout = 5*60;
834 BOOL local_sender_retain = FALSE;
835 gid_t local_user_gid = (gid_t)(-1);
836 uid_t local_user_uid = (uid_t)(-1);
837
838 tree_node *localpartlist_anchor= NULL;
839 int localpartlist_count = 0;
840 uschar *log_buffer = NULL;
841
842 int log_default[] = { /* for initializing log_selector */
843 Li_acl_warn_skipped,
844 Li_connection_reject,
845 Li_delay_delivery,
846 Li_dnslist_defer,
847 Li_etrn,
848 Li_host_lookup_failed,
849 Li_lost_incoming_connection,
850 Li_outgoing_interface, /* see d_log_interface in deliver.c */
851 Li_queue_run,
852 Li_rejected_header,
853 Li_retry_defer,
854 Li_sender_verify_fail,
855 Li_size_reject,
856 Li_skip_delivery,
857 Li_smtp_confirmation,
858 Li_tls_certificate_verified,
859 Li_tls_cipher,
860 -1
861 };
862
863 uschar *log_file_path = US LOG_FILE_PATH
864 "\0<--------------Space to patch log_file_path->";
865
866 int log_notall[] = {
867 -1
868 };
869 bit_table log_options[] = { /* must be in alphabetical order */
870 BIT_TABLE(L, 8bitmime),
871 BIT_TABLE(L, acl_warn_skipped),
872 BIT_TABLE(L, address_rewrite),
873 BIT_TABLE(L, all),
874 BIT_TABLE(L, all_parents),
875 BIT_TABLE(L, arguments),
876 BIT_TABLE(L, connection_reject),
877 BIT_TABLE(L, delay_delivery),
878 BIT_TABLE(L, deliver_time),
879 BIT_TABLE(L, delivery_size),
880 BIT_TABLE(L, dnslist_defer),
881 BIT_TABLE(L, dnssec),
882 BIT_TABLE(L, etrn),
883 BIT_TABLE(L, host_lookup_failed),
884 BIT_TABLE(L, ident_timeout),
885 BIT_TABLE(L, incoming_interface),
886 BIT_TABLE(L, incoming_port),
887 BIT_TABLE(L, lost_incoming_connection),
888 BIT_TABLE(L, outgoing_interface),
889 BIT_TABLE(L, outgoing_port),
890 BIT_TABLE(L, pid),
891 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
892 BIT_TABLE(L, proxy),
893 #endif
894 BIT_TABLE(L, queue_run),
895 BIT_TABLE(L, queue_time),
896 BIT_TABLE(L, queue_time_overall),
897 BIT_TABLE(L, received_recipients),
898 BIT_TABLE(L, received_sender),
899 BIT_TABLE(L, rejected_header),
900 { US"rejected_headers", Li_rejected_header },
901 BIT_TABLE(L, retry_defer),
902 BIT_TABLE(L, return_path_on_delivery),
903 BIT_TABLE(L, sender_on_delivery),
904 BIT_TABLE(L, sender_verify_fail),
905 BIT_TABLE(L, size_reject),
906 BIT_TABLE(L, skip_delivery),
907 BIT_TABLE(L, smtp_confirmation),
908 BIT_TABLE(L, smtp_connection),
909 BIT_TABLE(L, smtp_incomplete_transaction),
910 BIT_TABLE(L, smtp_mailauth),
911 BIT_TABLE(L, smtp_no_mail),
912 BIT_TABLE(L, smtp_protocol_error),
913 BIT_TABLE(L, smtp_syntax_error),
914 BIT_TABLE(L, subject),
915 BIT_TABLE(L, tls_certificate_verified),
916 BIT_TABLE(L, tls_cipher),
917 BIT_TABLE(L, tls_peerdn),
918 BIT_TABLE(L, tls_sni),
919 BIT_TABLE(L, unknown_in_list),
920 };
921 int log_options_count = nelem(log_options);
922
923 int log_reject_target = 0;
924 unsigned int log_selector[log_selector_size]; /* initialized in main() */
925 uschar *log_selector_string = NULL;
926 FILE *log_stderr = NULL;
927 BOOL log_testing_mode = FALSE;
928 BOOL log_timezone = FALSE;
929 uschar *login_sender_address = NULL;
930 uschar *lookup_dnssec_authenticated = NULL;
931 int lookup_open_max = 25;
932 uschar *lookup_value = NULL;
933
934 macro_item *macros = NULL;
935 macro_item *mlast = NULL;
936 BOOL macros_builtin_created = FALSE;
937 uschar *mailstore_basename = NULL;
938 #ifdef WITH_CONTENT_SCAN
939 uschar *malware_name = NULL; /* Virus Name */
940 #endif
941 int max_received_linelength= 0;
942 int max_username_length = 0;
943 int message_age = 0;
944 uschar *message_body = NULL;
945 uschar *message_body_end = NULL;
946 BOOL message_body_newlines = FALSE;
947 int message_body_size = 0;
948 int message_body_visible = 500;
949 int message_ended = END_NOTSTARTED;
950 uschar *message_headers = NULL;
951 uschar *message_id;
952 uschar *message_id_domain = NULL;
953 uschar *message_id_text = NULL;
954 struct timeval message_id_tv = { 0, 0 };
955 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
956 uschar *message_id_external;
957 int message_linecount = 0;
958 BOOL message_logs = TRUE;
959 int message_size = 0;
960 uschar *message_size_limit = US"50M";
961 #ifdef SUPPORT_I18N
962 BOOL message_smtputf8 = FALSE;
963 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
964 #endif
965 uschar message_subdir[2] = { 0, 0 };
966 uschar *message_reference = NULL;
967
968 /* MIME ACL expandables */
969 #ifdef WITH_CONTENT_SCAN
970 int mime_anomaly_level = 0;
971 const uschar *mime_anomaly_text = NULL;
972 uschar *mime_boundary = NULL;
973 uschar *mime_charset = NULL;
974 uschar *mime_content_description = NULL;
975 uschar *mime_content_disposition = NULL;
976 uschar *mime_content_id = NULL;
977 unsigned int mime_content_size = 0;
978 uschar *mime_content_transfer_encoding = NULL;
979 uschar *mime_content_type = NULL;
980 uschar *mime_decoded_filename = NULL;
981 uschar *mime_filename = NULL;
982 int mime_is_multipart = 0;
983 int mime_is_coverletter = 0;
984 int mime_is_rfc822 = 0;
985 int mime_part_count = -1;
986 #endif
987
988 BOOL mua_wrapper = FALSE;
989
990 uid_t *never_users = NULL;
991 #ifdef WITH_CONTENT_SCAN
992 BOOL no_mbox_unspool = FALSE;
993 #endif
994 BOOL no_multiline_responses = FALSE;
995
996 const int on = 1; /* for setsockopt */
997 const int off = 0;
998
999 uid_t original_euid;
1000 gid_t originator_gid;
1001 uschar *originator_login = NULL;
1002 uschar *originator_name = NULL;
1003 uid_t originator_uid;
1004 uschar *override_local_interfaces = NULL;
1005 uschar *override_pid_file_path = NULL;
1006
1007 BOOL parse_allow_group = FALSE;
1008 BOOL parse_found_group = FALSE;
1009 uschar *percent_hack_domains = NULL;
1010 uschar *pid_file_path = US PID_FILE_PATH
1011 "\0<--------------Space to patch pid_file_path->";
1012 BOOL pipelining_enable = TRUE;
1013 uschar *pipelining_advertise_hosts = US"*";
1014 BOOL preserve_message_logs = FALSE;
1015 uschar *primary_hostname = NULL;
1016 BOOL print_topbitchars = FALSE;
1017 uschar process_info[PROCESS_INFO_SIZE];
1018 int process_info_len = 0;
1019 uschar *process_log_path = NULL;
1020 BOOL prod_requires_admin = TRUE;
1021
1022 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1023 uschar *hosts_proxy = US"";
1024 uschar *proxy_external_address = US"";
1025 int proxy_external_port = 0;
1026 uschar *proxy_local_address = US"";
1027 int proxy_local_port = 0;
1028 BOOL proxy_session = FALSE;
1029 BOOL proxy_session_failed = FALSE;
1030 #endif
1031
1032 uschar *prvscheck_address = NULL;
1033 uschar *prvscheck_keynum = NULL;
1034 uschar *prvscheck_result = NULL;
1035
1036
1037 const uschar *qualify_domain_recipient = NULL;
1038 uschar *qualify_domain_sender = NULL;
1039 BOOL queue_2stage = FALSE;
1040 uschar *queue_domains = NULL;
1041 int queue_interval = -1;
1042 BOOL queue_list_requires_admin = TRUE;
1043 uschar *queue_name = US"";
1044 BOOL queue_only = FALSE;
1045 uschar *queue_only_file = NULL;
1046 int queue_only_load = -1;
1047 BOOL queue_only_load_latch = TRUE;
1048 BOOL queue_only_override = TRUE;
1049 BOOL queue_only_policy = FALSE;
1050 BOOL queue_run_first_delivery = FALSE;
1051 BOOL queue_run_force = FALSE;
1052 BOOL queue_run_in_order = FALSE;
1053 BOOL queue_run_local = FALSE;
1054 uschar *queue_run_max = US"5";
1055 pid_t queue_run_pid = (pid_t)0;
1056 int queue_run_pipe = -1;
1057 BOOL queue_running = FALSE;
1058 BOOL queue_smtp = FALSE;
1059 uschar *queue_smtp_domains = NULL;
1060
1061 unsigned int random_seed = 0;
1062 tree_node *ratelimiters_cmd = NULL;
1063 tree_node *ratelimiters_conn = NULL;
1064 tree_node *ratelimiters_mail = NULL;
1065 uschar *raw_active_hostname = NULL;
1066 uschar *raw_sender = NULL;
1067 uschar **raw_recipients = NULL;
1068 int raw_recipients_count = 0;
1069
1070 int rcpt_count = 0;
1071 int rcpt_fail_count = 0;
1072 int rcpt_defer_count = 0;
1073 gid_t real_gid;
1074 uid_t real_uid;
1075 BOOL really_exim = TRUE;
1076 BOOL receive_call_bombout = FALSE;
1077 int receive_linecount = 0;
1078 int receive_messagecount = 0;
1079 int receive_timeout = 0;
1080 int received_count = 0;
1081 uschar *received_for = NULL;
1082
1083 /* This is the default text for Received headers generated by Exim. The
1084 date will be automatically added on the end. */
1085
1086 uschar *received_header_text = US
1087 "Received: "
1088 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1089 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1090 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1091 "by $primary_hostname "
1092 "${if def:received_protocol {with $received_protocol}} "
1093 #ifdef SUPPORT_TLS
1094 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1095 #endif
1096 "(Exim $version_number)\n\t"
1097 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1098 "id $message_exim_id"
1099 "${if def:received_for {\n\tfor $received_for}}"
1100 "\0<---------------Space to patch received_header_text->";
1101
1102 int received_headers_max = 30;
1103 uschar *received_protocol = NULL;
1104 int received_time = 0;
1105 uschar *recipient_data = NULL;
1106 uschar *recipient_unqualified_hosts = NULL;
1107 uschar *recipient_verify_failure = NULL;
1108 int recipients_count = 0;
1109 BOOL recipients_discarded = FALSE;
1110 recipient_item *recipients_list = NULL;
1111 int recipients_list_max = 0;
1112 int recipients_max = 0;
1113 BOOL recipients_max_reject = FALSE;
1114 const pcre *regex_AUTH = NULL;
1115 const pcre *regex_check_dns_names = NULL;
1116 const pcre *regex_From = NULL;
1117 const pcre *regex_IGNOREQUOTA = NULL;
1118 const pcre *regex_PIPELINING = NULL;
1119 const pcre *regex_SIZE = NULL;
1120 const pcre *regex_ismsgid = NULL;
1121 const pcre *regex_smtp_code = NULL;
1122 uschar *regex_vars[REGEX_VARS];
1123 #ifdef WHITELIST_D_MACROS
1124 const pcre *regex_whitelisted_macro = NULL;
1125 #endif
1126 #ifdef WITH_CONTENT_SCAN
1127 uschar *regex_match_string = NULL;
1128 #endif
1129 int remote_delivery_count = 0;
1130 int remote_max_parallel = 2;
1131 uschar *remote_sort_domains = NULL;
1132 int retry_data_expire = 7*24*60*60;
1133 int retry_interval_max = 24*60*60;
1134 int retry_maximum_timeout = 0; /* set from retry config */
1135 retry_config *retries = NULL;
1136 uschar *return_path = NULL;
1137 BOOL return_path_remove = TRUE;
1138 int rewrite_existflags = 0;
1139 uschar *rfc1413_hosts = US"@[]";
1140 int rfc1413_query_timeout = 0;
1141 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1142 uid_t root_gid = ROOT_GID;
1143 uid_t root_uid = ROOT_UID;
1144
1145 router_instance *routers = NULL;
1146 router_instance router_defaults = {
1147 NULL, /* chain pointer */
1148 NULL, /* name */
1149 NULL, /* info */
1150 NULL, /* private options block pointer */
1151 NULL, /* driver name */
1152
1153 NULL, /* address_data */
1154 #ifdef EXPERIMENTAL_BRIGHTMAIL
1155 NULL, /* bmi_rule */
1156 #endif
1157 NULL, /* cannot_route_message */
1158 NULL, /* condition */
1159 NULL, /* current_directory */
1160 NULL, /* debug_string */
1161 NULL, /* domains */
1162 NULL, /* errors_to */
1163 NULL, /* expand_gid */
1164 NULL, /* expand_uid */
1165 NULL, /* expand_more */
1166 NULL, /* expand_unseen */
1167 NULL, /* extra_headers */
1168 NULL, /* fallback_hosts */
1169 NULL, /* home_directory */
1170 NULL, /* ignore_target_hosts */
1171 NULL, /* local_parts */
1172 NULL, /* pass_router_name */
1173 NULL, /* prefix */
1174 NULL, /* redirect_router_name */
1175 NULL, /* remove_headers */
1176 NULL, /* require_files */
1177 NULL, /* router_home_directory */
1178 US"freeze", /* self */
1179 NULL, /* senders */
1180 NULL, /* suffix */
1181 NULL, /* translate_ip_address */
1182 NULL, /* transport_name */
1183
1184 TRUE, /* address_test */
1185 #ifdef EXPERIMENTAL_BRIGHTMAIL
1186 FALSE, /* bmi_deliver_alternate */
1187 FALSE, /* bmi_deliver_default */
1188 FALSE, /* bmi_dont_deliver */
1189 #endif
1190 TRUE, /* expn */
1191 FALSE, /* caseful_local_part */
1192 FALSE, /* check_local_user */
1193 FALSE, /* disable_logging */
1194 FALSE, /* fail_verify_recipient */
1195 FALSE, /* fail_verify_sender */
1196 FALSE, /* gid_set */
1197 FALSE, /* initgroups */
1198 TRUE_UNSET, /* log_as_local */
1199 TRUE, /* more */
1200 FALSE, /* pass_on_timeout */
1201 FALSE, /* prefix_optional */
1202 TRUE, /* repeat_use */
1203 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1204 FALSE, /* same_domain_copy_routing */
1205 FALSE, /* self_rewrite */
1206 FALSE, /* suffix_optional */
1207 FALSE, /* verify_only */
1208 TRUE, /* verify_recipient */
1209 TRUE, /* verify_sender */
1210 FALSE, /* uid_set */
1211 FALSE, /* unseen */
1212 FALSE, /* dsn_lasthop */
1213
1214 self_freeze, /* self_code */
1215 (uid_t)(-1), /* uid */
1216 (gid_t)(-1), /* gid */
1217
1218 NULL, /* fallback_hostlist */
1219 NULL, /* transport instance */
1220 NULL, /* pass_router */
1221 NULL, /* redirect_router */
1222
1223 { NULL, NULL }, /* dnssec_domains {require,request} */
1224 };
1225
1226 uschar *router_name = NULL;
1227
1228 ip_address_item *running_interfaces = NULL;
1229 BOOL running_in_test_harness = FALSE;
1230
1231 /* This is a weird one. The following string gets patched in the binary by the
1232 script that sets up a copy of Exim for running in the test harness. It seems
1233 that compilers are now clever, and share constant strings if they can.
1234 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1235 make use of the end of this string in order to save space. So the patching then
1236 wrecks this. We defeat this optimization by adding some additional characters
1237 onto the end of the string. */
1238
1239 uschar *running_status = US">>>running<<<" "\0EXTRA";
1240
1241 int runrc = 0;
1242
1243 uschar *search_error_message = NULL;
1244 BOOL search_find_defer = FALSE;
1245 uschar *self_hostname = NULL;
1246 uschar *sender_address = NULL;
1247 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1248 uschar *sender_address_data = NULL;
1249 BOOL sender_address_forced = FALSE;
1250 uschar *sender_address_unrewritten = NULL;
1251 uschar *sender_data = NULL;
1252 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1253 uschar *sender_fullhost = NULL;
1254 BOOL sender_helo_dnssec = FALSE;
1255 uschar *sender_helo_name = NULL;
1256 uschar **sender_host_aliases = &no_aliases;
1257 uschar *sender_host_address = NULL;
1258 uschar *sender_host_authenticated = NULL;
1259 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1260 BOOL sender_host_dnssec = FALSE;
1261 uschar *sender_host_name = NULL;
1262 int sender_host_port = 0;
1263 BOOL sender_host_notsocket = FALSE;
1264 BOOL sender_host_unknown = FALSE;
1265 uschar *sender_ident = NULL;
1266 BOOL sender_local = FALSE;
1267 BOOL sender_name_forced = FALSE;
1268 uschar *sender_rate = NULL;
1269 uschar *sender_rate_limit = NULL;
1270 uschar *sender_rate_period = NULL;
1271 uschar *sender_rcvhost = NULL;
1272 BOOL sender_set_untrusted = FALSE;
1273 uschar *sender_unqualified_hosts = NULL;
1274 uschar *sender_verify_failure = NULL;
1275 address_item *sender_verified_list = NULL;
1276 address_item *sender_verified_failed = NULL;
1277 int sender_verified_rc = -1;
1278 BOOL sender_verified_responded = FALSE;
1279 uschar *sending_ip_address = NULL;
1280 int sending_port = -1;
1281 SIGNAL_BOOL sigalrm_seen = FALSE;
1282 uschar **sighup_argv = NULL;
1283 int slow_lookup_log = 0; /* millisecs, zero disables */
1284 int smtp_accept_count = 0;
1285 BOOL smtp_accept_keepalive = TRUE;
1286 int smtp_accept_max = 20;
1287 int smtp_accept_max_nonmail= 10;
1288 uschar *smtp_accept_max_nonmail_hosts = US"*";
1289 int smtp_accept_max_per_connection = 1000;
1290 uschar *smtp_accept_max_per_host = NULL;
1291 int smtp_accept_queue = 0;
1292 int smtp_accept_queue_per_connection = 10;
1293 int smtp_accept_reserve = 0;
1294 uschar *smtp_active_hostname = NULL;
1295 BOOL smtp_authenticated = FALSE;
1296 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1297 "Exim $version_number $tod_full"
1298 "\0<---------------Space to patch smtp_banner->";
1299 BOOL smtp_batched_input = FALSE;
1300 BOOL smtp_check_spool_space = TRUE;
1301 int smtp_ch_index = 0;
1302 uschar *smtp_cmd_argument = NULL;
1303 uschar *smtp_cmd_buffer = NULL;
1304 time_t smtp_connection_start = 0;
1305 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1306 int smtp_connect_backlog = 20;
1307 double smtp_delay_mail = 0.0;
1308 double smtp_delay_rcpt = 0.0;
1309 BOOL smtp_enforce_sync = TRUE;
1310 FILE *smtp_in = NULL;
1311 BOOL smtp_input = FALSE;
1312 int smtp_load_reserve = -1;
1313 int smtp_mailcmd_count = 0;
1314 FILE *smtp_out = NULL;
1315 uschar *smtp_etrn_command = NULL;
1316 BOOL smtp_etrn_serialize = TRUE;
1317 int smtp_max_synprot_errors= 3;
1318 int smtp_max_unknown_commands = 3;
1319 uschar *smtp_notquit_reason = NULL;
1320 uschar *smtp_ratelimit_hosts = NULL;
1321 uschar *smtp_ratelimit_mail = NULL;
1322 uschar *smtp_ratelimit_rcpt = NULL;
1323 uschar *smtp_read_error = US"";
1324 int smtp_receive_timeout = 5*60;
1325 uschar *smtp_receive_timeout_s = NULL;
1326 uschar *smtp_reserve_hosts = NULL;
1327 BOOL smtp_return_error_details = FALSE;
1328 int smtp_rlm_base = 0;
1329 double smtp_rlm_factor = 0.0;
1330 int smtp_rlm_limit = 0;
1331 int smtp_rlm_threshold = INT_MAX;
1332 int smtp_rlr_base = 0;
1333 double smtp_rlr_factor = 0.0;
1334 int smtp_rlr_limit = 0;
1335 int smtp_rlr_threshold = INT_MAX;
1336 unsigned smtp_peer_options = 0;
1337 unsigned smtp_peer_options_wrap= 0;
1338 #ifdef SUPPORT_I18N
1339 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1340 #endif
1341
1342 #ifdef WITH_CONTENT_SCAN
1343 uschar *spamd_address = US"127.0.0.1 783";
1344 uschar *spam_bar = NULL;
1345 uschar *spam_report = NULL;
1346 uschar *spam_action = NULL;
1347 uschar *spam_score = NULL;
1348 uschar *spam_score_int = NULL;
1349 #endif
1350 #ifdef EXPERIMENTAL_SPF
1351 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1352 uschar *spf_header_comment = NULL;
1353 uschar *spf_received = NULL;
1354 uschar *spf_result = NULL;
1355 uschar *spf_smtp_comment = NULL;
1356 #endif
1357
1358 BOOL split_spool_directory = FALSE;
1359 uschar *spool_directory = US SPOOL_DIRECTORY
1360 "\0<--------------Space to patch spool_directory->";
1361 #ifdef EXPERIMENTAL_SRS
1362 uschar *srs_config = NULL;
1363 uschar *srs_db_address = NULL;
1364 uschar *srs_db_key = NULL;
1365 int srs_hashlength = 6;
1366 int srs_hashmin = -1;
1367 int srs_maxage = 31;
1368 uschar *srs_orig_recipient = NULL;
1369 uschar *srs_orig_sender = NULL;
1370 uschar *srs_recipient = NULL;
1371 uschar *srs_secrets = NULL;
1372 uschar *srs_status = NULL;
1373 BOOL srs_usehash = TRUE;
1374 BOOL srs_usetimestamp = TRUE;
1375 #endif
1376 BOOL strict_acl_vars = FALSE;
1377 int string_datestamp_offset= -1;
1378 int string_datestamp_length= 0;
1379 int string_datestamp_type = -1;
1380 BOOL strip_excess_angle_brackets = FALSE;
1381 BOOL strip_trailing_dot = FALSE;
1382 uschar *submission_domain = NULL;
1383 BOOL submission_mode = FALSE;
1384 uschar *submission_name = NULL;
1385 BOOL suppress_local_fixups = FALSE;
1386 BOOL suppress_local_fixups_default = FALSE;
1387 BOOL synchronous_delivery = FALSE;
1388 BOOL syslog_duplication = TRUE;
1389 int syslog_facility = LOG_MAIL;
1390 BOOL syslog_pid = TRUE;
1391 uschar *syslog_processname = US"exim";
1392 BOOL syslog_timestamp = TRUE;
1393 uschar *system_filter = NULL;
1394
1395 uschar *system_filter_directory_transport = NULL;
1396 uschar *system_filter_file_transport = NULL;
1397 uschar *system_filter_pipe_transport = NULL;
1398 uschar *system_filter_reply_transport = NULL;
1399
1400 gid_t system_filter_gid = 0;
1401 BOOL system_filter_gid_set = FALSE;
1402 uid_t system_filter_uid = (uid_t)-1;
1403 BOOL system_filter_uid_set = FALSE;
1404 BOOL system_filtering = FALSE;
1405
1406 BOOL tcp_fastopen_ok = FALSE;
1407 BOOL tcp_nodelay = TRUE;
1408 #ifdef USE_TCP_WRAPPERS
1409 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1410 #endif
1411 int test_harness_load_avg = 0;
1412 int thismessage_size_limit = 0;
1413 int timeout_frozen_after = 0;
1414 BOOL timestamps_utc = FALSE;
1415
1416 transport_instance *transports = NULL;
1417
1418 transport_instance transport_defaults = {
1419 NULL, /* chain pointer */
1420 NULL, /* name */
1421 NULL, /* info */
1422 NULL, /* private options block pointer */
1423 NULL, /* driver name */
1424 NULL, /* setup entry point */
1425 1, /* batch_max */
1426 NULL, /* batch_id */
1427 NULL, /* home_dir */
1428 NULL, /* current_dir */
1429 NULL, /* expand-multi-domain */
1430 TRUE, /* multi-domain */
1431 FALSE, /* overrides_hosts */
1432 100, /* max_addresses */
1433 500, /* connection_max_messages */
1434 FALSE, /* deliver_as_creator */
1435 FALSE, /* disable_logging */
1436 FALSE, /* initgroups */
1437 FALSE, /* uid_set */
1438 FALSE, /* gid_set */
1439 (uid_t)(-1), /* uid */
1440 (gid_t)(-1), /* gid */
1441 NULL, /* expand_uid */
1442 NULL, /* expand_gid */
1443 NULL, /* warn_message */
1444 NULL, /* shadow */
1445 NULL, /* shadow_condition */
1446 NULL, /* filter_command */
1447 NULL, /* add_headers */
1448 NULL, /* remove_headers */
1449 NULL, /* return_path */
1450 NULL, /* debug_string */
1451 NULL, /* max_parallel */
1452 NULL, /* message_size_limit */
1453 NULL, /* headers_rewrite */
1454 NULL, /* rewrite_rules */
1455 0, /* rewrite_existflags */
1456 300, /* filter_timeout */
1457 FALSE, /* body_only */
1458 FALSE, /* delivery_date_add */
1459 FALSE, /* envelope_to_add */
1460 FALSE, /* headers_only */
1461 FALSE, /* rcpt_include_affixes */
1462 FALSE, /* return_path_add */
1463 FALSE, /* return_output */
1464 FALSE, /* return_fail_output */
1465 FALSE, /* log_output */
1466 FALSE, /* log_fail_output */
1467 FALSE, /* log_defer_output */
1468 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1469 1 nor 0 so can detect unset */
1470 #ifndef DISABLE_EVENT
1471 ,NULL /* event_action */
1472 #endif
1473 };
1474
1475 int transport_count;
1476 uschar *transport_name = NULL;
1477 int transport_newlines;
1478 const uschar **transport_filter_argv = NULL;
1479 int transport_filter_timeout;
1480 BOOL transport_filter_timed_out = FALSE;
1481 int transport_write_timeout= 0;
1482
1483 tree_node *tree_dns_fails = NULL;
1484 tree_node *tree_duplicates = NULL;
1485 tree_node *tree_nonrecipients = NULL;
1486 tree_node *tree_unusable = NULL;
1487
1488 BOOL trusted_caller = FALSE;
1489 BOOL trusted_config = TRUE;
1490 gid_t *trusted_groups = NULL;
1491 uid_t *trusted_users = NULL;
1492 uschar *timezone_string = US TIMEZONE_DEFAULT;
1493
1494 uschar *unknown_login = NULL;
1495 uschar *unknown_username = NULL;
1496 uschar *untrusted_set_sender = NULL;
1497
1498 /* A regex for matching a "From_" line in an incoming message, in the form
1499
1500 From ph10 Fri Jan 5 12:35 GMT 1996
1501
1502 which the "mail" commands send to the MTA (undocumented, of course), or in
1503 the form
1504
1505 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1506
1507 which is apparently used by some UUCPs, despite it not being in RFC 976.
1508 Because of variations in time formats, just match up to the minutes. That
1509 should be sufficient. Examples have been seen of time fields like 12:1:03,
1510 so just require one digit for hours and minutes. The weekday is also absent
1511 in some forms. */
1512
1513 uschar *uucp_from_pattern = US
1514 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1515 "(?:" /* Non-extracting bracket */
1516 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1517 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1518 ")" /* End alternation */
1519 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1520
1521 uschar *uucp_from_sender = US"$1";
1522
1523 uschar *verify_mode = NULL;
1524 uschar *version_copyright =
1525 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1526 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1527 uschar *version_date = US"?";
1528 uschar *version_cnumber = US"????";
1529 uschar *version_string = US"?";
1530
1531 uschar *warn_message_file = NULL;
1532 int warning_count = 0;
1533 uschar *warnmsg_delay = NULL;
1534 uschar *warnmsg_recipients = NULL;
1535 BOOL write_rejectlog = TRUE;
1536
1537
1538 /* End of globals.c */
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