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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_proxy_cipher = NULL;
533 uschar *continue_hostname = NULL;
534 uschar *continue_host_address = NULL;
535 BOOL continue_more = FALSE;
536 int continue_sequence = 1;
537 uschar *continue_transport = NULL;
538
539 uschar *csa_status = NULL;
540 cut_t cutthrough = {
541 FALSE, /* delivery: when to attempt */
542 FALSE, /* on defer: spool locally */
543 -1, /* fd: open connection */
544 0, /* nrcpt: number of addresses */
545 };
546
547 BOOL daemon_listen = FALSE;
548 uschar *daemon_smtp_port = US"smtp";
549 int daemon_startup_retries = 9;
550 int daemon_startup_sleep = 30;
551
552 #ifdef EXPERIMENTAL_DCC
553 BOOL dcc_direct_add_header = FALSE;
554 uschar *dcc_header = NULL;
555 uschar *dcc_result = NULL;
556 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
557 uschar *dccifd_options = US"header";
558 #endif
559
560 BOOL debug_daemon = FALSE;
561 int debug_fd = -1;
562 FILE *debug_file = NULL;
563 int debug_notall[] = {
564 Di_memory,
565 -1
566 };
567 bit_table debug_options[] = { /* must be in alphabetical order */
568 BIT_TABLE(D, acl),
569 BIT_TABLE(D, all),
570 BIT_TABLE(D, auth),
571 BIT_TABLE(D, deliver),
572 BIT_TABLE(D, dns),
573 BIT_TABLE(D, dnsbl),
574 BIT_TABLE(D, exec),
575 BIT_TABLE(D, expand),
576 BIT_TABLE(D, filter),
577 BIT_TABLE(D, hints_lookup),
578 BIT_TABLE(D, host_lookup),
579 BIT_TABLE(D, ident),
580 BIT_TABLE(D, interface),
581 BIT_TABLE(D, lists),
582 BIT_TABLE(D, load),
583 BIT_TABLE(D, local_scan),
584 BIT_TABLE(D, lookup),
585 BIT_TABLE(D, memory),
586 BIT_TABLE(D, pid),
587 BIT_TABLE(D, process_info),
588 BIT_TABLE(D, queue_run),
589 BIT_TABLE(D, receive),
590 BIT_TABLE(D, resolver),
591 BIT_TABLE(D, retry),
592 BIT_TABLE(D, rewrite),
593 BIT_TABLE(D, route),
594 BIT_TABLE(D, timestamp),
595 BIT_TABLE(D, tls),
596 BIT_TABLE(D, transport),
597 BIT_TABLE(D, uid),
598 BIT_TABLE(D, verify),
599 };
600 int debug_options_count = nelem(debug_options);
601
602 unsigned int debug_selector = 0;
603 BOOL debug_store = FALSE;
604 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
605 uschar *delay_warning_condition=
606 US"${if or {"
607 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
608 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
609 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
610 "} {no}{yes}}";
611 BOOL delivery_date_remove = TRUE;
612 uschar *deliver_address_data = NULL;
613 int deliver_datafile = -1;
614 const uschar *deliver_domain = NULL;
615 uschar *deliver_domain_data = NULL;
616 const uschar *deliver_domain_orig = NULL;
617 const uschar *deliver_domain_parent = NULL;
618 BOOL deliver_drop_privilege = FALSE;
619 BOOL deliver_firsttime = FALSE;
620 BOOL deliver_force = FALSE;
621 BOOL deliver_freeze = FALSE;
622 time_t deliver_frozen_at = 0;
623 uschar *deliver_home = NULL;
624 const uschar *deliver_host = NULL;
625 const uschar *deliver_host_address = NULL;
626 int deliver_host_port = 0;
627 uschar *deliver_in_buffer = NULL;
628 ino_t deliver_inode = 0;
629 uschar *deliver_localpart = NULL;
630 uschar *deliver_localpart_data = NULL;
631 uschar *deliver_localpart_orig = NULL;
632 uschar *deliver_localpart_parent = NULL;
633 uschar *deliver_localpart_prefix = NULL;
634 uschar *deliver_localpart_suffix = NULL;
635 BOOL deliver_force_thaw = FALSE;
636 BOOL deliver_manual_thaw = FALSE;
637 uschar *deliver_out_buffer = NULL;
638 int deliver_queue_load_max = -1;
639 address_item *deliver_recipients = NULL;
640 uschar *deliver_selectstring = NULL;
641 BOOL deliver_selectstring_regex = FALSE;
642 uschar *deliver_selectstring_sender = NULL;
643 BOOL deliver_selectstring_sender_regex = FALSE;
644 BOOL disable_callout_flush = FALSE;
645 BOOL disable_delay_flush = FALSE;
646 #ifdef ENABLE_DISABLE_FSYNC
647 BOOL disable_fsync = FALSE;
648 #endif
649 BOOL disable_ipv6 = FALSE;
650 BOOL disable_logging = FALSE;
651
652 #ifndef DISABLE_DKIM
653 BOOL dkim_collect_input = FALSE;
654 uschar *dkim_cur_signer = NULL;
655 BOOL dkim_disable_verify = FALSE;
656 int dkim_key_length = 0;
657 uschar *dkim_signers = NULL;
658 uschar *dkim_signing_domain = NULL;
659 uschar *dkim_signing_selector = NULL;
660 uschar *dkim_verify_signers = US"$dkim_signers";
661 #endif
662 #ifdef EXPERIMENTAL_DMARC
663 BOOL dmarc_has_been_checked = FALSE;
664 uschar *dmarc_ar_header = NULL;
665 uschar *dmarc_domain_policy = NULL;
666 uschar *dmarc_forensic_sender = NULL;
667 uschar *dmarc_history_file = NULL;
668 uschar *dmarc_status = NULL;
669 uschar *dmarc_status_text = NULL;
670 uschar *dmarc_tld_file = NULL;
671 uschar *dmarc_used_domain = NULL;
672 BOOL dmarc_disable_verify = FALSE;
673 BOOL dmarc_enable_forensic = FALSE;
674 #endif
675
676 uschar *dns_again_means_nonexist = NULL;
677 int dns_csa_search_limit = 5;
678 BOOL dns_csa_use_reverse = TRUE;
679 #ifdef EXPERIMENTAL_DANE
680 int dns_dane_ok = -1;
681 #endif
682 uschar *dns_ipv4_lookup = NULL;
683 int dns_retrans = 0;
684 int dns_retry = 0;
685 int dns_dnssec_ok = -1; /* <0 = not coerced */
686 uschar *dns_trust_aa = NULL;
687 int dns_use_edns0 = -1; /* <0 = not coerced */
688 uschar *dnslist_domain = NULL;
689 uschar *dnslist_matched = NULL;
690 uschar *dnslist_text = NULL;
691 uschar *dnslist_value = NULL;
692 tree_node *domainlist_anchor = NULL;
693 int domainlist_count = 0;
694 BOOL dont_deliver = FALSE;
695 BOOL dot_ends = TRUE;
696 BOOL drop_cr = FALSE; /* No longer used */
697 uschar *dsn_from = US DEFAULT_DSN_FROM;
698
699 BOOL enable_dollar_recipients = FALSE;
700 BOOL envelope_to_remove = TRUE;
701 int errno_quota = ERRNO_QUOTA;
702 uschar *errors_copy = NULL;
703 int error_handling = ERRORS_SENDER;
704 uschar *errors_reply_to = NULL;
705 int errors_sender_rc = EXIT_FAILURE;
706 #ifndef DISABLE_EVENT
707 uschar *event_action = NULL; /* expansion for delivery events */
708 uschar *event_data = NULL; /* auxiliary data variable for event */
709 int event_defer_errno = 0;
710 const uschar *event_name = NULL; /* event name variable */
711 #endif
712
713
714 gid_t exim_gid = EXIM_GID;
715 BOOL exim_gid_set = TRUE; /* This gid is always set */
716 uschar *exim_path = US BIN_DIRECTORY "/exim"
717 "\0<---------------Space to patch exim_path->";
718 uid_t exim_uid = EXIM_UID;
719 BOOL exim_uid_set = TRUE; /* This uid is always set */
720 int expand_level = 0; /* Nesting depth, indent for debug */
721 int expand_forbid = 0;
722 int expand_nlength[EXPAND_MAXN+1];
723 int expand_nmax = -1;
724 uschar *expand_nstring[EXPAND_MAXN+1];
725 BOOL expand_string_forcedfail = FALSE;
726 uschar *expand_string_message;
727 BOOL extract_addresses_remove_arguments = TRUE;
728 uschar *extra_local_interfaces = NULL;
729
730 int fake_response = OK;
731 uschar *fake_response_text = US"Your message has been rejected but is "
732 "being kept for evaluation.\nIf it was a "
733 "legitimate message, it may still be "
734 "delivered to the target recipient(s).";
735 int filter_n[FILTER_VARIABLE_COUNT];
736 BOOL filter_running = FALSE;
737 int filter_sn[FILTER_VARIABLE_COUNT];
738 int filter_test = FTEST_NONE;
739 uschar *filter_test_sfile = NULL;
740 uschar *filter_test_ufile = NULL;
741 uschar *filter_thisaddress = NULL;
742 int finduser_retries = 0;
743 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
744 uschar *freeze_tell = NULL;
745 uschar *freeze_tell_config = NULL;
746 uschar *fudged_queue_times = US"";
747
748 uschar *gecos_name = NULL;
749 uschar *gecos_pattern = NULL;
750 rewrite_rule *global_rewrite_rules = NULL;
751
752 uschar *headers_charset = US HEADERS_CHARSET;
753 int header_insert_maxlen = 64 * 1024;
754 header_line *header_last = NULL;
755 header_line *header_list = NULL;
756 int header_maxsize = HEADER_MAXSIZE;
757 int header_line_maxsize = 0;
758
759 header_name header_names[] = {
760 { US"bcc", 3, TRUE, htype_bcc },
761 { US"cc", 2, TRUE, htype_cc },
762 { US"date", 4, TRUE, htype_date },
763 { US"delivery-date", 13, FALSE, htype_delivery_date },
764 { US"envelope-to", 11, FALSE, htype_envelope_to },
765 { US"from", 4, TRUE, htype_from },
766 { US"message-id", 10, TRUE, htype_id },
767 { US"received", 8, FALSE, htype_received },
768 { US"reply-to", 8, FALSE, htype_reply_to },
769 { US"return-path", 11, FALSE, htype_return_path },
770 { US"sender", 6, TRUE, htype_sender },
771 { US"subject", 7, FALSE, htype_subject },
772 { US"to", 2, TRUE, htype_to }
773 };
774
775 int header_names_size = sizeof(header_names)/sizeof(header_name);
776
777 BOOL header_rewritten = FALSE;
778 uschar *helo_accept_junk_hosts = NULL;
779 uschar *helo_allow_chars = US"";
780 uschar *helo_lookup_domains = US"@ : @[]";
781 uschar *helo_try_verify_hosts = NULL;
782 BOOL helo_verified = FALSE;
783 BOOL helo_verify_failed = FALSE;
784 uschar *helo_verify_hosts = NULL;
785 const uschar *hex_digits = CUS"0123456789abcdef";
786 uschar *hold_domains = NULL;
787 BOOL host_checking = FALSE;
788 BOOL host_checking_callout = FALSE;
789 uschar *host_data = NULL;
790 BOOL host_find_failed_syntax= FALSE;
791 uschar *host_lookup = NULL;
792 BOOL host_lookup_deferred = FALSE;
793 BOOL host_lookup_failed = FALSE;
794 uschar *host_lookup_order = US"bydns:byaddr";
795 uschar *host_lookup_msg = US"";
796 int host_number = 0;
797 uschar *host_number_string = NULL;
798 uschar *host_reject_connection = NULL;
799 tree_node *hostlist_anchor = NULL;
800 int hostlist_count = 0;
801 uschar *hosts_treat_as_local = NULL;
802 uschar *hosts_connection_nolog = NULL;
803
804 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
805 BOOL ignore_fromline_local = FALSE;
806 uschar *ignore_fromline_hosts = NULL;
807 BOOL inetd_wait_mode = FALSE;
808 int inetd_wait_timeout = -1;
809 uschar *initial_cwd = NULL;
810 uschar *interface_address = NULL;
811 int interface_port = -1;
812 BOOL is_inetd = FALSE;
813 uschar *iterate_item = NULL;
814
815 int journal_fd = -1;
816
817 uschar *keep_environment = NULL;
818
819 int keep_malformed = 4*24*60*60; /* 4 days */
820
821 uschar *eldap_dn = NULL;
822 int load_average = -2;
823 BOOL local_error_message = FALSE;
824 BOOL local_from_check = TRUE;
825 uschar *local_from_prefix = NULL;
826 uschar *local_from_suffix = NULL;
827
828 #if HAVE_IPV6
829 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
830 #else
831 uschar *local_interfaces = US"0.0.0.0";
832 #endif
833
834 uschar *local_scan_data = NULL;
835 int local_scan_timeout = 5*60;
836 BOOL local_sender_retain = FALSE;
837 gid_t local_user_gid = (gid_t)(-1);
838 uid_t local_user_uid = (uid_t)(-1);
839
840 tree_node *localpartlist_anchor= NULL;
841 int localpartlist_count = 0;
842 uschar *log_buffer = NULL;
843
844 int log_default[] = { /* for initializing log_selector */
845 Li_acl_warn_skipped,
846 Li_connection_reject,
847 Li_delay_delivery,
848 Li_dnslist_defer,
849 Li_etrn,
850 Li_host_lookup_failed,
851 Li_lost_incoming_connection,
852 Li_outgoing_interface, /* see d_log_interface in deliver.c */
853 Li_queue_run,
854 Li_rejected_header,
855 Li_retry_defer,
856 Li_sender_verify_fail,
857 Li_size_reject,
858 Li_skip_delivery,
859 Li_smtp_confirmation,
860 Li_tls_certificate_verified,
861 Li_tls_cipher,
862 -1
863 };
864
865 uschar *log_file_path = US LOG_FILE_PATH
866 "\0<--------------Space to patch log_file_path->";
867
868 int log_notall[] = {
869 -1
870 };
871 bit_table log_options[] = { /* must be in alphabetical order */
872 BIT_TABLE(L, 8bitmime),
873 BIT_TABLE(L, acl_warn_skipped),
874 BIT_TABLE(L, address_rewrite),
875 BIT_TABLE(L, all),
876 BIT_TABLE(L, all_parents),
877 BIT_TABLE(L, arguments),
878 BIT_TABLE(L, connection_reject),
879 BIT_TABLE(L, delay_delivery),
880 BIT_TABLE(L, deliver_time),
881 BIT_TABLE(L, delivery_size),
882 BIT_TABLE(L, dnslist_defer),
883 BIT_TABLE(L, dnssec),
884 BIT_TABLE(L, etrn),
885 BIT_TABLE(L, host_lookup_failed),
886 BIT_TABLE(L, ident_timeout),
887 BIT_TABLE(L, incoming_interface),
888 BIT_TABLE(L, incoming_port),
889 BIT_TABLE(L, lost_incoming_connection),
890 BIT_TABLE(L, outgoing_interface),
891 BIT_TABLE(L, outgoing_port),
892 BIT_TABLE(L, pid),
893 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
894 BIT_TABLE(L, proxy),
895 #endif
896 BIT_TABLE(L, queue_run),
897 BIT_TABLE(L, queue_time),
898 BIT_TABLE(L, queue_time_overall),
899 BIT_TABLE(L, received_recipients),
900 BIT_TABLE(L, received_sender),
901 BIT_TABLE(L, rejected_header),
902 { US"rejected_headers", Li_rejected_header },
903 BIT_TABLE(L, retry_defer),
904 BIT_TABLE(L, return_path_on_delivery),
905 BIT_TABLE(L, sender_on_delivery),
906 BIT_TABLE(L, sender_verify_fail),
907 BIT_TABLE(L, size_reject),
908 BIT_TABLE(L, skip_delivery),
909 BIT_TABLE(L, smtp_confirmation),
910 BIT_TABLE(L, smtp_connection),
911 BIT_TABLE(L, smtp_incomplete_transaction),
912 BIT_TABLE(L, smtp_mailauth),
913 BIT_TABLE(L, smtp_no_mail),
914 BIT_TABLE(L, smtp_protocol_error),
915 BIT_TABLE(L, smtp_syntax_error),
916 BIT_TABLE(L, subject),
917 BIT_TABLE(L, tls_certificate_verified),
918 BIT_TABLE(L, tls_cipher),
919 BIT_TABLE(L, tls_peerdn),
920 BIT_TABLE(L, tls_sni),
921 BIT_TABLE(L, unknown_in_list),
922 };
923 int log_options_count = nelem(log_options);
924
925 int log_reject_target = 0;
926 unsigned int log_selector[log_selector_size]; /* initialized in main() */
927 uschar *log_selector_string = NULL;
928 FILE *log_stderr = NULL;
929 BOOL log_testing_mode = FALSE;
930 BOOL log_timezone = FALSE;
931 uschar *login_sender_address = NULL;
932 uschar *lookup_dnssec_authenticated = NULL;
933 int lookup_open_max = 25;
934 uschar *lookup_value = NULL;
935
936 macro_item *macros = NULL;
937 macro_item *mlast = NULL;
938 BOOL macros_builtin_created = FALSE;
939 uschar *mailstore_basename = NULL;
940 #ifdef WITH_CONTENT_SCAN
941 uschar *malware_name = NULL; /* Virus Name */
942 #endif
943 int max_received_linelength= 0;
944 int max_username_length = 0;
945 int message_age = 0;
946 uschar *message_body = NULL;
947 uschar *message_body_end = NULL;
948 BOOL message_body_newlines = FALSE;
949 int message_body_size = 0;
950 int message_body_visible = 500;
951 int message_ended = END_NOTSTARTED;
952 uschar *message_headers = NULL;
953 uschar *message_id;
954 uschar *message_id_domain = NULL;
955 uschar *message_id_text = NULL;
956 struct timeval message_id_tv = { 0, 0 };
957 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
958 uschar *message_id_external;
959 int message_linecount = 0;
960 BOOL message_logs = TRUE;
961 int message_size = 0;
962 uschar *message_size_limit = US"50M";
963 #ifdef SUPPORT_I18N
964 BOOL message_smtputf8 = FALSE;
965 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
966 #endif
967 uschar message_subdir[2] = { 0, 0 };
968 uschar *message_reference = NULL;
969
970 /* MIME ACL expandables */
971 #ifdef WITH_CONTENT_SCAN
972 int mime_anomaly_level = 0;
973 const uschar *mime_anomaly_text = NULL;
974 uschar *mime_boundary = NULL;
975 uschar *mime_charset = NULL;
976 uschar *mime_content_description = NULL;
977 uschar *mime_content_disposition = NULL;
978 uschar *mime_content_id = NULL;
979 unsigned int mime_content_size = 0;
980 uschar *mime_content_transfer_encoding = NULL;
981 uschar *mime_content_type = NULL;
982 uschar *mime_decoded_filename = NULL;
983 uschar *mime_filename = NULL;
984 int mime_is_multipart = 0;
985 int mime_is_coverletter = 0;
986 int mime_is_rfc822 = 0;
987 int mime_part_count = -1;
988 #endif
989
990 BOOL mua_wrapper = FALSE;
991
992 uid_t *never_users = NULL;
993 #ifdef WITH_CONTENT_SCAN
994 BOOL no_mbox_unspool = FALSE;
995 #endif
996 BOOL no_multiline_responses = FALSE;
997
998 const int on = 1; /* for setsockopt */
999 const int off = 0;
1000
1001 uid_t original_euid;
1002 gid_t originator_gid;
1003 uschar *originator_login = NULL;
1004 uschar *originator_name = NULL;
1005 uid_t originator_uid;
1006 uschar *override_local_interfaces = NULL;
1007 uschar *override_pid_file_path = NULL;
1008
1009 BOOL parse_allow_group = FALSE;
1010 BOOL parse_found_group = FALSE;
1011 uschar *percent_hack_domains = NULL;
1012 uschar *pid_file_path = US PID_FILE_PATH
1013 "\0<--------------Space to patch pid_file_path->";
1014 BOOL pipelining_enable = TRUE;
1015 uschar *pipelining_advertise_hosts = US"*";
1016 BOOL preserve_message_logs = FALSE;
1017 uschar *primary_hostname = NULL;
1018 BOOL print_topbitchars = FALSE;
1019 uschar process_info[PROCESS_INFO_SIZE];
1020 int process_info_len = 0;
1021 uschar *process_log_path = NULL;
1022 BOOL prod_requires_admin = TRUE;
1023
1024 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1025 uschar *hosts_proxy = US"";
1026 uschar *proxy_external_address = US"";
1027 int proxy_external_port = 0;
1028 uschar *proxy_local_address = US"";
1029 int proxy_local_port = 0;
1030 BOOL proxy_session = FALSE;
1031 BOOL proxy_session_failed = FALSE;
1032 #endif
1033
1034 uschar *prvscheck_address = NULL;
1035 uschar *prvscheck_keynum = NULL;
1036 uschar *prvscheck_result = NULL;
1037
1038
1039 const uschar *qualify_domain_recipient = NULL;
1040 uschar *qualify_domain_sender = NULL;
1041 BOOL queue_2stage = FALSE;
1042 uschar *queue_domains = NULL;
1043 int queue_interval = -1;
1044 BOOL queue_list_requires_admin = TRUE;
1045 uschar *queue_name = US"";
1046 BOOL queue_only = FALSE;
1047 uschar *queue_only_file = NULL;
1048 int queue_only_load = -1;
1049 BOOL queue_only_load_latch = TRUE;
1050 BOOL queue_only_override = TRUE;
1051 BOOL queue_only_policy = FALSE;
1052 BOOL queue_run_first_delivery = FALSE;
1053 BOOL queue_run_force = FALSE;
1054 BOOL queue_run_in_order = FALSE;
1055 BOOL queue_run_local = FALSE;
1056 uschar *queue_run_max = US"5";
1057 pid_t queue_run_pid = (pid_t)0;
1058 int queue_run_pipe = -1;
1059 BOOL queue_running = FALSE;
1060 BOOL queue_smtp = FALSE;
1061 uschar *queue_smtp_domains = NULL;
1062
1063 unsigned int random_seed = 0;
1064 tree_node *ratelimiters_cmd = NULL;
1065 tree_node *ratelimiters_conn = NULL;
1066 tree_node *ratelimiters_mail = NULL;
1067 uschar *raw_active_hostname = NULL;
1068 uschar *raw_sender = NULL;
1069 uschar **raw_recipients = NULL;
1070 int raw_recipients_count = 0;
1071
1072 int rcpt_count = 0;
1073 int rcpt_fail_count = 0;
1074 int rcpt_defer_count = 0;
1075 gid_t real_gid;
1076 uid_t real_uid;
1077 BOOL really_exim = TRUE;
1078 BOOL receive_call_bombout = FALSE;
1079 int receive_linecount = 0;
1080 int receive_messagecount = 0;
1081 int receive_timeout = 0;
1082 int received_count = 0;
1083 uschar *received_for = NULL;
1084
1085 /* This is the default text for Received headers generated by Exim. The
1086 date will be automatically added on the end. */
1087
1088 uschar *received_header_text = US
1089 "Received: "
1090 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1091 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1092 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1093 "by $primary_hostname "
1094 "${if def:received_protocol {with $received_protocol}} "
1095 #ifdef SUPPORT_TLS
1096 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1097 #endif
1098 "(Exim $version_number)\n\t"
1099 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1100 "id $message_exim_id"
1101 "${if def:received_for {\n\tfor $received_for}}"
1102 "\0<---------------Space to patch received_header_text->";
1103
1104 int received_headers_max = 30;
1105 uschar *received_protocol = NULL;
1106 int received_time = 0;
1107 uschar *recipient_data = NULL;
1108 uschar *recipient_unqualified_hosts = NULL;
1109 uschar *recipient_verify_failure = NULL;
1110 int recipients_count = 0;
1111 BOOL recipients_discarded = FALSE;
1112 recipient_item *recipients_list = NULL;
1113 int recipients_list_max = 0;
1114 int recipients_max = 0;
1115 BOOL recipients_max_reject = FALSE;
1116 const pcre *regex_AUTH = NULL;
1117 const pcre *regex_check_dns_names = NULL;
1118 const pcre *regex_From = NULL;
1119 const pcre *regex_IGNOREQUOTA = NULL;
1120 const pcre *regex_PIPELINING = NULL;
1121 const pcre *regex_SIZE = NULL;
1122 const pcre *regex_ismsgid = NULL;
1123 const pcre *regex_smtp_code = NULL;
1124 uschar *regex_vars[REGEX_VARS];
1125 #ifdef WHITELIST_D_MACROS
1126 const pcre *regex_whitelisted_macro = NULL;
1127 #endif
1128 #ifdef WITH_CONTENT_SCAN
1129 uschar *regex_match_string = NULL;
1130 #endif
1131 int remote_delivery_count = 0;
1132 int remote_max_parallel = 2;
1133 uschar *remote_sort_domains = NULL;
1134 int retry_data_expire = 7*24*60*60;
1135 int retry_interval_max = 24*60*60;
1136 int retry_maximum_timeout = 0; /* set from retry config */
1137 retry_config *retries = NULL;
1138 uschar *return_path = NULL;
1139 BOOL return_path_remove = TRUE;
1140 int rewrite_existflags = 0;
1141 uschar *rfc1413_hosts = US"@[]";
1142 int rfc1413_query_timeout = 0;
1143 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1144 uid_t root_gid = ROOT_GID;
1145 uid_t root_uid = ROOT_UID;
1146
1147 router_instance *routers = NULL;
1148 router_instance router_defaults = {
1149 NULL, /* chain pointer */
1150 NULL, /* name */
1151 NULL, /* info */
1152 NULL, /* private options block pointer */
1153 NULL, /* driver name */
1154
1155 NULL, /* address_data */
1156 #ifdef EXPERIMENTAL_BRIGHTMAIL
1157 NULL, /* bmi_rule */
1158 #endif
1159 NULL, /* cannot_route_message */
1160 NULL, /* condition */
1161 NULL, /* current_directory */
1162 NULL, /* debug_string */
1163 NULL, /* domains */
1164 NULL, /* errors_to */
1165 NULL, /* expand_gid */
1166 NULL, /* expand_uid */
1167 NULL, /* expand_more */
1168 NULL, /* expand_unseen */
1169 NULL, /* extra_headers */
1170 NULL, /* fallback_hosts */
1171 NULL, /* home_directory */
1172 NULL, /* ignore_target_hosts */
1173 NULL, /* local_parts */
1174 NULL, /* pass_router_name */
1175 NULL, /* prefix */
1176 NULL, /* redirect_router_name */
1177 NULL, /* remove_headers */
1178 NULL, /* require_files */
1179 NULL, /* router_home_directory */
1180 US"freeze", /* self */
1181 NULL, /* senders */
1182 NULL, /* suffix */
1183 NULL, /* translate_ip_address */
1184 NULL, /* transport_name */
1185
1186 TRUE, /* address_test */
1187 #ifdef EXPERIMENTAL_BRIGHTMAIL
1188 FALSE, /* bmi_deliver_alternate */
1189 FALSE, /* bmi_deliver_default */
1190 FALSE, /* bmi_dont_deliver */
1191 #endif
1192 TRUE, /* expn */
1193 FALSE, /* caseful_local_part */
1194 FALSE, /* check_local_user */
1195 FALSE, /* disable_logging */
1196 FALSE, /* fail_verify_recipient */
1197 FALSE, /* fail_verify_sender */
1198 FALSE, /* gid_set */
1199 FALSE, /* initgroups */
1200 TRUE_UNSET, /* log_as_local */
1201 TRUE, /* more */
1202 FALSE, /* pass_on_timeout */
1203 FALSE, /* prefix_optional */
1204 TRUE, /* repeat_use */
1205 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1206 FALSE, /* same_domain_copy_routing */
1207 FALSE, /* self_rewrite */
1208 FALSE, /* suffix_optional */
1209 FALSE, /* verify_only */
1210 TRUE, /* verify_recipient */
1211 TRUE, /* verify_sender */
1212 FALSE, /* uid_set */
1213 FALSE, /* unseen */
1214 FALSE, /* dsn_lasthop */
1215
1216 self_freeze, /* self_code */
1217 (uid_t)(-1), /* uid */
1218 (gid_t)(-1), /* gid */
1219
1220 NULL, /* fallback_hostlist */
1221 NULL, /* transport instance */
1222 NULL, /* pass_router */
1223 NULL, /* redirect_router */
1224
1225 { NULL, NULL }, /* dnssec_domains {require,request} */
1226 };
1227
1228 uschar *router_name = NULL;
1229
1230 ip_address_item *running_interfaces = NULL;
1231 BOOL running_in_test_harness = FALSE;
1232
1233 /* This is a weird one. The following string gets patched in the binary by the
1234 script that sets up a copy of Exim for running in the test harness. It seems
1235 that compilers are now clever, and share constant strings if they can.
1236 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1237 make use of the end of this string in order to save space. So the patching then
1238 wrecks this. We defeat this optimization by adding some additional characters
1239 onto the end of the string. */
1240
1241 uschar *running_status = US">>>running<<<" "\0EXTRA";
1242
1243 int runrc = 0;
1244
1245 uschar *search_error_message = NULL;
1246 BOOL search_find_defer = FALSE;
1247 uschar *self_hostname = NULL;
1248 uschar *sender_address = NULL;
1249 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1250 uschar *sender_address_data = NULL;
1251 BOOL sender_address_forced = FALSE;
1252 uschar *sender_address_unrewritten = NULL;
1253 uschar *sender_data = NULL;
1254 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1255 uschar *sender_fullhost = NULL;
1256 BOOL sender_helo_dnssec = FALSE;
1257 uschar *sender_helo_name = NULL;
1258 uschar **sender_host_aliases = &no_aliases;
1259 uschar *sender_host_address = NULL;
1260 uschar *sender_host_authenticated = NULL;
1261 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1262 BOOL sender_host_dnssec = FALSE;
1263 uschar *sender_host_name = NULL;
1264 int sender_host_port = 0;
1265 BOOL sender_host_notsocket = FALSE;
1266 BOOL sender_host_unknown = FALSE;
1267 uschar *sender_ident = NULL;
1268 BOOL sender_local = FALSE;
1269 BOOL sender_name_forced = FALSE;
1270 uschar *sender_rate = NULL;
1271 uschar *sender_rate_limit = NULL;
1272 uschar *sender_rate_period = NULL;
1273 uschar *sender_rcvhost = NULL;
1274 BOOL sender_set_untrusted = FALSE;
1275 uschar *sender_unqualified_hosts = NULL;
1276 uschar *sender_verify_failure = NULL;
1277 address_item *sender_verified_list = NULL;
1278 address_item *sender_verified_failed = NULL;
1279 int sender_verified_rc = -1;
1280 BOOL sender_verified_responded = FALSE;
1281 uschar *sending_ip_address = NULL;
1282 int sending_port = -1;
1283 SIGNAL_BOOL sigalrm_seen = FALSE;
1284 uschar **sighup_argv = NULL;
1285 int slow_lookup_log = 0; /* millisecs, zero disables */
1286 int smtp_accept_count = 0;
1287 BOOL smtp_accept_keepalive = TRUE;
1288 int smtp_accept_max = 20;
1289 int smtp_accept_max_nonmail= 10;
1290 uschar *smtp_accept_max_nonmail_hosts = US"*";
1291 int smtp_accept_max_per_connection = 1000;
1292 uschar *smtp_accept_max_per_host = NULL;
1293 int smtp_accept_queue = 0;
1294 int smtp_accept_queue_per_connection = 10;
1295 int smtp_accept_reserve = 0;
1296 uschar *smtp_active_hostname = NULL;
1297 BOOL smtp_authenticated = FALSE;
1298 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1299 "Exim $version_number $tod_full"
1300 "\0<---------------Space to patch smtp_banner->";
1301 BOOL smtp_batched_input = FALSE;
1302 BOOL smtp_check_spool_space = TRUE;
1303 int smtp_ch_index = 0;
1304 uschar *smtp_cmd_argument = NULL;
1305 uschar *smtp_cmd_buffer = NULL;
1306 time_t smtp_connection_start = 0;
1307 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1308 int smtp_connect_backlog = 20;
1309 double smtp_delay_mail = 0.0;
1310 double smtp_delay_rcpt = 0.0;
1311 BOOL smtp_enforce_sync = TRUE;
1312 FILE *smtp_in = NULL;
1313 BOOL smtp_input = FALSE;
1314 int smtp_load_reserve = -1;
1315 int smtp_mailcmd_count = 0;
1316 FILE *smtp_out = NULL;
1317 uschar *smtp_etrn_command = NULL;
1318 BOOL smtp_etrn_serialize = TRUE;
1319 int smtp_max_synprot_errors= 3;
1320 int smtp_max_unknown_commands = 3;
1321 uschar *smtp_notquit_reason = NULL;
1322 uschar *smtp_ratelimit_hosts = NULL;
1323 uschar *smtp_ratelimit_mail = NULL;
1324 uschar *smtp_ratelimit_rcpt = NULL;
1325 uschar *smtp_read_error = US"";
1326 int smtp_receive_timeout = 5*60;
1327 uschar *smtp_receive_timeout_s = NULL;
1328 uschar *smtp_reserve_hosts = NULL;
1329 BOOL smtp_return_error_details = FALSE;
1330 int smtp_rlm_base = 0;
1331 double smtp_rlm_factor = 0.0;
1332 int smtp_rlm_limit = 0;
1333 int smtp_rlm_threshold = INT_MAX;
1334 int smtp_rlr_base = 0;
1335 double smtp_rlr_factor = 0.0;
1336 int smtp_rlr_limit = 0;
1337 int smtp_rlr_threshold = INT_MAX;
1338 unsigned smtp_peer_options = 0;
1339 unsigned smtp_peer_options_wrap= 0;
1340 #ifdef SUPPORT_I18N
1341 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1342 #endif
1343
1344 #ifdef WITH_CONTENT_SCAN
1345 uschar *spamd_address = US"127.0.0.1 783";
1346 uschar *spam_bar = NULL;
1347 uschar *spam_report = NULL;
1348 uschar *spam_action = NULL;
1349 uschar *spam_score = NULL;
1350 uschar *spam_score_int = NULL;
1351 #endif
1352 #ifdef EXPERIMENTAL_SPF
1353 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1354 uschar *spf_header_comment = NULL;
1355 uschar *spf_received = NULL;
1356 uschar *spf_result = NULL;
1357 uschar *spf_smtp_comment = NULL;
1358 #endif
1359
1360 BOOL split_spool_directory = FALSE;
1361 uschar *spool_directory = US SPOOL_DIRECTORY
1362 "\0<--------------Space to patch spool_directory->";
1363 #ifdef EXPERIMENTAL_SRS
1364 uschar *srs_config = NULL;
1365 uschar *srs_db_address = NULL;
1366 uschar *srs_db_key = NULL;
1367 int srs_hashlength = 6;
1368 int srs_hashmin = -1;
1369 int srs_maxage = 31;
1370 uschar *srs_orig_recipient = NULL;
1371 uschar *srs_orig_sender = NULL;
1372 uschar *srs_recipient = NULL;
1373 uschar *srs_secrets = NULL;
1374 uschar *srs_status = NULL;
1375 BOOL srs_usehash = TRUE;
1376 BOOL srs_usetimestamp = TRUE;
1377 #endif
1378 BOOL strict_acl_vars = FALSE;
1379 int string_datestamp_offset= -1;
1380 int string_datestamp_length= 0;
1381 int string_datestamp_type = -1;
1382 BOOL strip_excess_angle_brackets = FALSE;
1383 BOOL strip_trailing_dot = FALSE;
1384 uschar *submission_domain = NULL;
1385 BOOL submission_mode = FALSE;
1386 uschar *submission_name = NULL;
1387 BOOL suppress_local_fixups = FALSE;
1388 BOOL suppress_local_fixups_default = FALSE;
1389 BOOL synchronous_delivery = FALSE;
1390 BOOL syslog_duplication = TRUE;
1391 int syslog_facility = LOG_MAIL;
1392 BOOL syslog_pid = TRUE;
1393 uschar *syslog_processname = US"exim";
1394 BOOL syslog_timestamp = TRUE;
1395 uschar *system_filter = NULL;
1396
1397 uschar *system_filter_directory_transport = NULL;
1398 uschar *system_filter_file_transport = NULL;
1399 uschar *system_filter_pipe_transport = NULL;
1400 uschar *system_filter_reply_transport = NULL;
1401
1402 gid_t system_filter_gid = 0;
1403 BOOL system_filter_gid_set = FALSE;
1404 uid_t system_filter_uid = (uid_t)-1;
1405 BOOL system_filter_uid_set = FALSE;
1406 BOOL system_filtering = FALSE;
1407
1408 BOOL tcp_fastopen_ok = FALSE;
1409 BOOL tcp_nodelay = TRUE;
1410 #ifdef USE_TCP_WRAPPERS
1411 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1412 #endif
1413 int test_harness_load_avg = 0;
1414 int thismessage_size_limit = 0;
1415 int timeout_frozen_after = 0;
1416 BOOL timestamps_utc = FALSE;
1417
1418 transport_instance *transports = NULL;
1419
1420 transport_instance transport_defaults = {
1421 NULL, /* chain pointer */
1422 NULL, /* name */
1423 NULL, /* info */
1424 NULL, /* private options block pointer */
1425 NULL, /* driver name */
1426 NULL, /* setup entry point */
1427 1, /* batch_max */
1428 NULL, /* batch_id */
1429 NULL, /* home_dir */
1430 NULL, /* current_dir */
1431 NULL, /* expand-multi-domain */
1432 TRUE, /* multi-domain */
1433 FALSE, /* overrides_hosts */
1434 100, /* max_addresses */
1435 500, /* connection_max_messages */
1436 FALSE, /* deliver_as_creator */
1437 FALSE, /* disable_logging */
1438 FALSE, /* initgroups */
1439 FALSE, /* uid_set */
1440 FALSE, /* gid_set */
1441 (uid_t)(-1), /* uid */
1442 (gid_t)(-1), /* gid */
1443 NULL, /* expand_uid */
1444 NULL, /* expand_gid */
1445 NULL, /* warn_message */
1446 NULL, /* shadow */
1447 NULL, /* shadow_condition */
1448 NULL, /* filter_command */
1449 NULL, /* add_headers */
1450 NULL, /* remove_headers */
1451 NULL, /* return_path */
1452 NULL, /* debug_string */
1453 NULL, /* max_parallel */
1454 NULL, /* message_size_limit */
1455 NULL, /* headers_rewrite */
1456 NULL, /* rewrite_rules */
1457 0, /* rewrite_existflags */
1458 300, /* filter_timeout */
1459 FALSE, /* body_only */
1460 FALSE, /* delivery_date_add */
1461 FALSE, /* envelope_to_add */
1462 FALSE, /* headers_only */
1463 FALSE, /* rcpt_include_affixes */
1464 FALSE, /* return_path_add */
1465 FALSE, /* return_output */
1466 FALSE, /* return_fail_output */
1467 FALSE, /* log_output */
1468 FALSE, /* log_fail_output */
1469 FALSE, /* log_defer_output */
1470 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1471 1 nor 0 so can detect unset */
1472 #ifndef DISABLE_EVENT
1473 ,NULL /* event_action */
1474 #endif
1475 };
1476
1477 int transport_count;
1478 uschar *transport_name = NULL;
1479 int transport_newlines;
1480 const uschar **transport_filter_argv = NULL;
1481 int transport_filter_timeout;
1482 BOOL transport_filter_timed_out = FALSE;
1483 int transport_write_timeout= 0;
1484
1485 tree_node *tree_dns_fails = NULL;
1486 tree_node *tree_duplicates = NULL;
1487 tree_node *tree_nonrecipients = NULL;
1488 tree_node *tree_unusable = NULL;
1489
1490 BOOL trusted_caller = FALSE;
1491 BOOL trusted_config = TRUE;
1492 gid_t *trusted_groups = NULL;
1493 uid_t *trusted_users = NULL;
1494 uschar *timezone_string = US TIMEZONE_DEFAULT;
1495
1496 uschar *unknown_login = NULL;
1497 uschar *unknown_username = NULL;
1498 uschar *untrusted_set_sender = NULL;
1499
1500 /* A regex for matching a "From_" line in an incoming message, in the form
1501
1502 From ph10 Fri Jan 5 12:35 GMT 1996
1503
1504 which the "mail" commands send to the MTA (undocumented, of course), or in
1505 the form
1506
1507 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1508
1509 which is apparently used by some UUCPs, despite it not being in RFC 976.
1510 Because of variations in time formats, just match up to the minutes. That
1511 should be sufficient. Examples have been seen of time fields like 12:1:03,
1512 so just require one digit for hours and minutes. The weekday is also absent
1513 in some forms. */
1514
1515 uschar *uucp_from_pattern = US
1516 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1517 "(?:" /* Non-extracting bracket */
1518 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1519 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1520 ")" /* End alternation */
1521 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1522
1523 uschar *uucp_from_sender = US"$1";
1524
1525 uschar *verify_mode = NULL;
1526 uschar *version_copyright =
1527 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1528 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1529 uschar *version_date = US"?";
1530 uschar *version_cnumber = US"????";
1531 uschar *version_string = US"?";
1532
1533 uschar *warn_message_file = NULL;
1534 int warning_count = 0;
1535 uschar *warnmsg_delay = NULL;
1536 uschar *warnmsg_recipients = NULL;
1537 BOOL write_rejectlog = TRUE;
1538
1539
1540 /* End of globals.c */
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