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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 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
186 int (*lwr_receive_getc)(unsigned) = stdin_getc;
187 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
188 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
189 int (*receive_getc)(unsigned) = stdin_getc;
190 uschar * (*receive_getbuf)(unsigned *) = NULL;
191 void (*receive_get_cache)(void)= NULL;
192 int (*receive_ungetc)(int) = stdin_ungetc;
193 int (*receive_feof)(void) = stdin_feof;
194 int (*receive_ferror)(void) = stdin_ferror;
195 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
196 #endif
197
198
199 /* List of per-address expansion variables for clearing and saving/restoring
200 when verifying one address while routing/verifying another. We have to have
201 the size explicit, because it is referenced from more than one module. */
202
203 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
216 CUSS &deliver_host,
217 CUSS &deliver_home,
218 CUSS &address_file,
219 CUSS &address_pipe,
220 CUSS &self_hostname,
221 NULL };
222
223 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225 /* General global variables */
226
227 header_line *acl_added_headers = NULL;
228 tree_node *acl_anchor = NULL;
229 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231 int acl_narg = 0;
232
233 int acl_level = 0;
234
235 uschar *acl_not_smtp = NULL;
236 #ifdef WITH_CONTENT_SCAN
237 uschar *acl_not_smtp_mime = NULL;
238 #endif
239 uschar *acl_not_smtp_start = NULL;
240 uschar *acl_removed_headers = NULL;
241 uschar *acl_smtp_auth = NULL;
242 uschar *acl_smtp_connect = NULL;
243 uschar *acl_smtp_data = NULL;
244 #ifndef DISABLE_PRDR
245 uschar *acl_smtp_data_prdr = US"accept";
246 #endif
247 #ifndef DISABLE_DKIM
248 uschar *acl_smtp_dkim = NULL;
249 #endif
250 uschar *acl_smtp_etrn = NULL;
251 uschar *acl_smtp_expn = NULL;
252 uschar *acl_smtp_helo = NULL;
253 uschar *acl_smtp_mail = NULL;
254 uschar *acl_smtp_mailauth = NULL;
255 #ifdef WITH_CONTENT_SCAN
256 uschar *acl_smtp_mime = NULL;
257 #endif
258 uschar *acl_smtp_notquit = NULL;
259 uschar *acl_smtp_predata = NULL;
260 uschar *acl_smtp_quit = NULL;
261 uschar *acl_smtp_rcpt = NULL;
262 uschar *acl_smtp_starttls = NULL;
263 uschar *acl_smtp_vrfy = NULL;
264
265 BOOL acl_temp_details = FALSE;
266 tree_node *acl_var_c = NULL;
267 tree_node *acl_var_m = NULL;
268 uschar *acl_verify_message = NULL;
269 string_item *acl_warn_logged = NULL;
270
271 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
273
274 uschar *acl_wherenames[] = { US"RCPT",
275 US"MAIL",
276 US"PREDATA",
277 US"MIME",
278 US"DKIM",
279 US"DATA",
280 #ifndef DISABLE_PRDR
281 US"PRDR",
282 #endif
283 US"non-SMTP",
284 US"AUTH",
285 US"connection",
286 US"ETRN",
287 US"EXPN",
288 US"EHLO or HELO",
289 US"MAILAUTH",
290 US"non-SMTP-start",
291 US"NOTQUIT",
292 US"QUIT",
293 US"STARTTLS",
294 US"VRFY",
295 US"delivery",
296 US"unknown"
297 };
298
299 uschar *acl_wherecodes[] = { US"550", /* RCPT */
300 US"550", /* MAIL */
301 US"550", /* PREDATA */
302 US"550", /* MIME */
303 US"550", /* DKIM */
304 US"550", /* DATA */
305 #ifndef DISABLE_PRDR
306 US"550", /* RCPT PRDR */
307 #endif
308 US"0", /* not SMTP; not relevant */
309 US"503", /* AUTH */
310 US"550", /* connect */
311 US"458", /* ETRN */
312 US"550", /* EXPN */
313 US"550", /* HELO/EHLO */
314 US"0", /* MAILAUTH; not relevant */
315 US"0", /* not SMTP; not relevant */
316 US"0", /* NOTQUIT; not relevant */
317 US"0", /* QUIT; not relevant */
318 US"550", /* STARTTLS */
319 US"252", /* VRFY */
320 US"0", /* delivery; not relevant */
321 US"0" /* unknown; not relevant */
322 };
323
324 BOOL active_local_from_check = FALSE;
325 BOOL active_local_sender_retain = FALSE;
326 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
327 uschar *add_environment = NULL;
328 address_item *addr_duplicate = NULL;
329
330 address_item address_defaults = {
331 NULL, /* next */
332 NULL, /* parent */
333 NULL, /* first */
334 NULL, /* dupof */
335 NULL, /* start_router */
336 NULL, /* router */
337 NULL, /* transport */
338 NULL, /* host_list */
339 NULL, /* host_used */
340 NULL, /* fallback_hosts */
341 NULL, /* reply */
342 NULL, /* retries */
343 NULL, /* address */
344 NULL, /* unique */
345 NULL, /* cc_local_part */
346 NULL, /* lc_local_part */
347 NULL, /* local_part */
348 NULL, /* prefix */
349 NULL, /* suffix */
350 NULL, /* domain */
351 NULL, /* address_retry_key */
352 NULL, /* domain_retry_key */
353 NULL, /* current_dir */
354 NULL, /* home_dir */
355 NULL, /* message */
356 NULL, /* user_message */
357 NULL, /* onetime_parent */
358 NULL, /* pipe_expandn */
359 NULL, /* return_filename */
360 NULL, /* self_hostname */
361 NULL, /* shadow_message */
362 #ifdef SUPPORT_TLS
363 NULL, /* cipher */
364 NULL, /* ourcert */
365 NULL, /* peercert */
366 NULL, /* peerdn */
367 OCSP_NOT_REQ, /* ocsp */
368 #endif
369 #ifdef EXPERIMENTAL_DSN_INFO
370 NULL, /* smtp_greeting */
371 NULL, /* helo_response */
372 #endif
373 NULL, /* authenticator */
374 NULL, /* auth_id */
375 NULL, /* auth_sndr */
376 NULL, /* dsn_orcpt */
377 0, /* dsn_flags */
378 0, /* dsn_aware */
379 (uid_t)(-1), /* uid */
380 (gid_t)(-1), /* gid */
381 0, /* flags */
382 { 0 }, /* domain_cache - any larger array should be zeroed */
383 { 0 }, /* localpart_cache - ditto */
384 -1, /* mode */
385 0, /* more_errno */
386 ERRNO_UNKNOWNERROR, /* basic_errno */
387 0, /* child_count */
388 -1, /* return_file */
389 SPECIAL_NONE, /* special_action */
390 DEFER, /* transport_return */
391 { /* fields that are propagated to children */
392 NULL, /* address_data */
393 NULL, /* domain_data */
394 NULL, /* localpart_data */
395 NULL, /* errors_address */
396 NULL, /* extra_headers */
397 NULL, /* remove_headers */
398 #ifdef EXPERIMENTAL_SRS
399 NULL, /* srs_sender */
400 #endif
401 #ifdef SUPPORT_I18N
402 FALSE, /* utf8 */
403 #endif
404 }
405 };
406
407 uschar *address_file = NULL;
408 uschar *address_pipe = NULL;
409 BOOL address_test_mode = FALSE;
410 tree_node *addresslist_anchor = NULL;
411 int addresslist_count = 0;
412 gid_t *admin_groups = NULL;
413 BOOL admin_user = FALSE;
414 BOOL allow_auth_unadvertised= FALSE;
415 BOOL allow_domain_literals = FALSE;
416 BOOL allow_mx_to_ip = FALSE;
417 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
418 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
419 BOOL allow_utf8_domains = FALSE;
420 uschar *authenticated_fail_id = NULL;
421 uschar *authenticated_id = NULL;
422 uschar *authenticated_sender = NULL;
423 BOOL authentication_failed = FALSE;
424 auth_instance *auths = NULL;
425 uschar *auth_advertise_hosts = US"*";
426 auth_instance auth_defaults = {
427 NULL, /* chain pointer */
428 NULL, /* name */
429 NULL, /* info */
430 NULL, /* private options block pointer */
431 NULL, /* driver_name */
432 NULL, /* advertise_condition */
433 NULL, /* client_condition */
434 NULL, /* public_name */
435 NULL, /* set_id */
436 NULL, /* set_client_id */
437 NULL, /* server_mail_auth_condition */
438 NULL, /* server_debug_string */
439 NULL, /* server_condition */
440 FALSE, /* client */
441 FALSE, /* server */
442 FALSE /* advertised */
443 };
444
445 uschar *auth_defer_msg = US"reason not recorded";
446 uschar *auth_defer_user_msg = US"";
447 uschar *auth_vars[AUTH_VARS];
448 int auto_thaw = 0;
449 #ifdef WITH_CONTENT_SCAN
450 BOOL av_failed = FALSE;
451 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
452 #endif
453
454 BOOL background_daemon = TRUE;
455
456 #if BASE_62 == 62
457 uschar *base62_chars=
458 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
459 #else
460 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
461 #endif
462
463 uschar *bi_command = NULL;
464 uschar *big_buffer = NULL;
465 int big_buffer_size = BIG_BUFFER_SIZE;
466 #ifdef EXPERIMENTAL_BRIGHTMAIL
467 uschar *bmi_alt_location = NULL;
468 uschar *bmi_base64_tracker_verdict = NULL;
469 uschar *bmi_base64_verdict = NULL;
470 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
471 int bmi_deliver = 1;
472 int bmi_run = 0;
473 uschar *bmi_verdicts = NULL;
474 #endif
475 int bsmtp_transaction_linecount = 0;
476 int body_8bitmime = 0;
477 int body_linecount = 0;
478 int body_zerocount = 0;
479 uschar *bounce_message_file = NULL;
480 uschar *bounce_message_text = NULL;
481 uschar *bounce_recipient = NULL;
482 BOOL bounce_return_body = TRUE;
483 int bounce_return_linesize_limit = 998;
484 BOOL bounce_return_message = TRUE;
485 int bounce_return_size_limit = 100*1024;
486 uschar *bounce_sender_authentication = NULL;
487 uschar *builtin_macros_create_trigger = NULL;
488
489 uschar *callout_address = NULL;
490 int callout_cache_domain_positive_expire = 7*24*60*60;
491 int callout_cache_domain_negative_expire = 3*60*60;
492 int callout_cache_positive_expire = 24*60*60;
493 int callout_cache_negative_expire = 2*60*60;
494 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
495 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
496 int check_log_inodes = 100;
497 int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
498 BOOL check_rfc2047_length = TRUE;
499 int check_spool_inodes = 100;
500 int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
501
502 uschar *chunking_advertise_hosts = US"*";
503 unsigned chunking_datasize = 0;
504 unsigned chunking_data_left = 0;
505 BOOL chunking_offered = FALSE;
506 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
507 const pcre *regex_CHUNKING = NULL;
508
509 uschar *client_authenticator = NULL;
510 uschar *client_authenticated_id = NULL;
511 uschar *client_authenticated_sender = NULL;
512 int clmacro_count = 0;
513 uschar *clmacros[MAX_CLMACROS];
514 BOOL commandline_checks_require_admin = FALSE;
515 BOOL config_changed = FALSE;
516 FILE *config_file = NULL;
517 const uschar *config_filename = NULL;
518 int config_lineno = 0;
519 #ifdef CONFIGURE_GROUP
520 gid_t config_gid = CONFIGURE_GROUP;
521 #else
522 gid_t config_gid = 0;
523 #endif
524 uschar *config_main_filelist = US CONFIGURE_FILE
525 "\0<-----------Space to patch configure_filename->";
526 uschar *config_main_filename = NULL;
527 uschar *config_main_directory = NULL;
528
529 #ifdef CONFIGURE_OWNER
530 uid_t config_uid = CONFIGURE_OWNER;
531 #else
532 uid_t config_uid = 0;
533 #endif
534
535 int connection_max_messages= -1;
536 uschar *continue_proxy_cipher = NULL;
537 uschar *continue_hostname = NULL;
538 uschar *continue_host_address = NULL;
539 BOOL continue_more = FALSE;
540 int continue_sequence = 1;
541 uschar *continue_transport = NULL;
542
543 uschar *csa_status = NULL;
544 cut_t cutthrough = {
545 FALSE, /* verify-only: normal delivery */
546 FALSE, /* delivery: when to attempt */
547 FALSE, /* on defer: spool locally */
548 FALSE, /* not a TLS conn yet */
549 -1, /* fd: open connection */
550 0, /* nrcpt: number of addresses */
551 };
552
553 BOOL daemon_listen = FALSE;
554 uschar *daemon_smtp_port = US"smtp";
555 int daemon_startup_retries = 9;
556 int daemon_startup_sleep = 30;
557
558 #ifdef EXPERIMENTAL_DCC
559 BOOL dcc_direct_add_header = FALSE;
560 uschar *dcc_header = NULL;
561 uschar *dcc_result = NULL;
562 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
563 uschar *dccifd_options = US"header";
564 #endif
565
566 BOOL debug_daemon = FALSE;
567 int debug_fd = -1;
568 FILE *debug_file = NULL;
569 int debug_notall[] = {
570 Di_memory,
571 -1
572 };
573 bit_table debug_options[] = { /* must be in alphabetical order */
574 BIT_TABLE(D, acl),
575 BIT_TABLE(D, all),
576 BIT_TABLE(D, auth),
577 BIT_TABLE(D, deliver),
578 BIT_TABLE(D, dns),
579 BIT_TABLE(D, dnsbl),
580 BIT_TABLE(D, exec),
581 BIT_TABLE(D, expand),
582 BIT_TABLE(D, filter),
583 BIT_TABLE(D, hints_lookup),
584 BIT_TABLE(D, host_lookup),
585 BIT_TABLE(D, ident),
586 BIT_TABLE(D, interface),
587 BIT_TABLE(D, lists),
588 BIT_TABLE(D, load),
589 BIT_TABLE(D, local_scan),
590 BIT_TABLE(D, lookup),
591 BIT_TABLE(D, memory),
592 BIT_TABLE(D, pid),
593 BIT_TABLE(D, process_info),
594 BIT_TABLE(D, queue_run),
595 BIT_TABLE(D, receive),
596 BIT_TABLE(D, resolver),
597 BIT_TABLE(D, retry),
598 BIT_TABLE(D, rewrite),
599 BIT_TABLE(D, route),
600 BIT_TABLE(D, timestamp),
601 BIT_TABLE(D, tls),
602 BIT_TABLE(D, transport),
603 BIT_TABLE(D, uid),
604 BIT_TABLE(D, verify),
605 };
606 int debug_options_count = nelem(debug_options);
607
608 unsigned int debug_selector = 0;
609 BOOL debug_store = FALSE;
610 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
611 uschar *delay_warning_condition=
612 US"${if or {"
613 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
614 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
615 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
616 "} {no}{yes}}";
617 BOOL delivery_date_remove = TRUE;
618 uschar *deliver_address_data = NULL;
619 int deliver_datafile = -1;
620 const uschar *deliver_domain = NULL;
621 uschar *deliver_domain_data = NULL;
622 const uschar *deliver_domain_orig = NULL;
623 const uschar *deliver_domain_parent = NULL;
624 BOOL deliver_drop_privilege = FALSE;
625 BOOL deliver_firsttime = FALSE;
626 BOOL deliver_force = FALSE;
627 BOOL deliver_freeze = FALSE;
628 time_t deliver_frozen_at = 0;
629 uschar *deliver_home = NULL;
630 const uschar *deliver_host = NULL;
631 const uschar *deliver_host_address = NULL;
632 int deliver_host_port = 0;
633 uschar *deliver_in_buffer = NULL;
634 ino_t deliver_inode = 0;
635 uschar *deliver_localpart = NULL;
636 uschar *deliver_localpart_data = NULL;
637 uschar *deliver_localpart_orig = NULL;
638 uschar *deliver_localpart_parent = NULL;
639 uschar *deliver_localpart_prefix = NULL;
640 uschar *deliver_localpart_suffix = NULL;
641 BOOL deliver_force_thaw = FALSE;
642 BOOL deliver_manual_thaw = FALSE;
643 uschar *deliver_out_buffer = NULL;
644 int deliver_queue_load_max = -1;
645 address_item *deliver_recipients = NULL;
646 uschar *deliver_selectstring = NULL;
647 BOOL deliver_selectstring_regex = FALSE;
648 uschar *deliver_selectstring_sender = NULL;
649 BOOL deliver_selectstring_sender_regex = FALSE;
650 BOOL disable_callout_flush = FALSE;
651 BOOL disable_delay_flush = FALSE;
652 #ifdef ENABLE_DISABLE_FSYNC
653 BOOL disable_fsync = FALSE;
654 #endif
655 BOOL disable_ipv6 = FALSE;
656 BOOL disable_logging = FALSE;
657
658 #ifndef DISABLE_DKIM
659 BOOL dkim_collect_input = FALSE;
660 uschar *dkim_cur_signer = NULL;
661 BOOL dkim_disable_verify = FALSE;
662 int dkim_key_length = 0;
663 uschar *dkim_signers = NULL;
664 uschar *dkim_signing_domain = NULL;
665 uschar *dkim_signing_selector = NULL;
666 uschar *dkim_verify_signers = US"$dkim_signers";
667 #endif
668 #ifdef EXPERIMENTAL_DMARC
669 BOOL dmarc_has_been_checked = FALSE;
670 uschar *dmarc_ar_header = NULL;
671 uschar *dmarc_domain_policy = NULL;
672 uschar *dmarc_forensic_sender = NULL;
673 uschar *dmarc_history_file = NULL;
674 uschar *dmarc_status = NULL;
675 uschar *dmarc_status_text = NULL;
676 uschar *dmarc_tld_file = NULL;
677 uschar *dmarc_used_domain = NULL;
678 BOOL dmarc_disable_verify = FALSE;
679 BOOL dmarc_enable_forensic = FALSE;
680 #endif
681
682 uschar *dns_again_means_nonexist = NULL;
683 int dns_csa_search_limit = 5;
684 BOOL dns_csa_use_reverse = TRUE;
685 #ifdef EXPERIMENTAL_DANE
686 int dns_dane_ok = -1;
687 #endif
688 uschar *dns_ipv4_lookup = NULL;
689 int dns_retrans = 0;
690 int dns_retry = 0;
691 int dns_dnssec_ok = -1; /* <0 = not coerced */
692 uschar *dns_trust_aa = NULL;
693 int dns_use_edns0 = -1; /* <0 = not coerced */
694 uschar *dnslist_domain = NULL;
695 uschar *dnslist_matched = NULL;
696 uschar *dnslist_text = NULL;
697 uschar *dnslist_value = NULL;
698 tree_node *domainlist_anchor = NULL;
699 int domainlist_count = 0;
700 BOOL dont_deliver = FALSE;
701 BOOL dot_ends = TRUE;
702 BOOL drop_cr = FALSE; /* No longer used */
703 uschar *dsn_from = US DEFAULT_DSN_FROM;
704
705 BOOL enable_dollar_recipients = FALSE;
706 BOOL envelope_to_remove = TRUE;
707 int errno_quota = ERRNO_QUOTA;
708 uschar *errors_copy = NULL;
709 int error_handling = ERRORS_SENDER;
710 uschar *errors_reply_to = NULL;
711 int errors_sender_rc = EXIT_FAILURE;
712 #ifndef DISABLE_EVENT
713 uschar *event_action = NULL; /* expansion for delivery events */
714 uschar *event_data = NULL; /* auxiliary data variable for event */
715 int event_defer_errno = 0;
716 const uschar *event_name = NULL; /* event name variable */
717 #endif
718
719
720 gid_t exim_gid = EXIM_GID;
721 BOOL exim_gid_set = TRUE; /* This gid is always set */
722 uschar *exim_path = US BIN_DIRECTORY "/exim"
723 "\0<---------------Space to patch exim_path->";
724 uid_t exim_uid = EXIM_UID;
725 BOOL exim_uid_set = TRUE; /* This uid is always set */
726 int expand_level = 0; /* Nesting depth, indent for debug */
727 int expand_forbid = 0;
728 int expand_nlength[EXPAND_MAXN+1];
729 int expand_nmax = -1;
730 uschar *expand_nstring[EXPAND_MAXN+1];
731 BOOL expand_string_forcedfail = FALSE;
732 uschar *expand_string_message;
733 BOOL extract_addresses_remove_arguments = TRUE;
734 uschar *extra_local_interfaces = NULL;
735
736 int fake_response = OK;
737 uschar *fake_response_text = US"Your message has been rejected but is "
738 "being kept for evaluation.\nIf it was a "
739 "legitimate message, it may still be "
740 "delivered to the target recipient(s).";
741 int filter_n[FILTER_VARIABLE_COUNT];
742 BOOL filter_running = FALSE;
743 int filter_sn[FILTER_VARIABLE_COUNT];
744 int filter_test = FTEST_NONE;
745 uschar *filter_test_sfile = NULL;
746 uschar *filter_test_ufile = NULL;
747 uschar *filter_thisaddress = NULL;
748 int finduser_retries = 0;
749 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
750 uschar *freeze_tell = NULL;
751 uschar *freeze_tell_config = NULL;
752 uschar *fudged_queue_times = US"";
753
754 uschar *gecos_name = NULL;
755 uschar *gecos_pattern = NULL;
756 rewrite_rule *global_rewrite_rules = NULL;
757
758 uschar *headers_charset = US HEADERS_CHARSET;
759 int header_insert_maxlen = 64 * 1024;
760 header_line *header_last = NULL;
761 header_line *header_list = NULL;
762 int header_maxsize = HEADER_MAXSIZE;
763 int header_line_maxsize = 0;
764
765 header_name header_names[] = {
766 { US"bcc", 3, TRUE, htype_bcc },
767 { US"cc", 2, TRUE, htype_cc },
768 { US"date", 4, TRUE, htype_date },
769 { US"delivery-date", 13, FALSE, htype_delivery_date },
770 { US"envelope-to", 11, FALSE, htype_envelope_to },
771 { US"from", 4, TRUE, htype_from },
772 { US"message-id", 10, TRUE, htype_id },
773 { US"received", 8, FALSE, htype_received },
774 { US"reply-to", 8, FALSE, htype_reply_to },
775 { US"return-path", 11, FALSE, htype_return_path },
776 { US"sender", 6, TRUE, htype_sender },
777 { US"subject", 7, FALSE, htype_subject },
778 { US"to", 2, TRUE, htype_to }
779 };
780
781 int header_names_size = sizeof(header_names)/sizeof(header_name);
782
783 BOOL header_rewritten = FALSE;
784 uschar *helo_accept_junk_hosts = NULL;
785 uschar *helo_allow_chars = US"";
786 uschar *helo_lookup_domains = US"@ : @[]";
787 uschar *helo_try_verify_hosts = NULL;
788 BOOL helo_verified = FALSE;
789 BOOL helo_verify_failed = FALSE;
790 uschar *helo_verify_hosts = NULL;
791 const uschar *hex_digits = CUS"0123456789abcdef";
792 uschar *hold_domains = NULL;
793 BOOL host_checking = FALSE;
794 BOOL host_checking_callout = FALSE;
795 uschar *host_data = NULL;
796 BOOL host_find_failed_syntax= FALSE;
797 uschar *host_lookup = NULL;
798 BOOL host_lookup_deferred = FALSE;
799 BOOL host_lookup_failed = FALSE;
800 uschar *host_lookup_order = US"bydns:byaddr";
801 uschar *host_lookup_msg = US"";
802 int host_number = 0;
803 uschar *host_number_string = NULL;
804 uschar *host_reject_connection = NULL;
805 tree_node *hostlist_anchor = NULL;
806 int hostlist_count = 0;
807 uschar *hosts_treat_as_local = NULL;
808 uschar *hosts_connection_nolog = NULL;
809
810 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
811 BOOL ignore_fromline_local = FALSE;
812 uschar *ignore_fromline_hosts = NULL;
813 BOOL inetd_wait_mode = FALSE;
814 int inetd_wait_timeout = -1;
815 uschar *initial_cwd = NULL;
816 uschar *interface_address = NULL;
817 int interface_port = -1;
818 BOOL is_inetd = FALSE;
819 uschar *iterate_item = NULL;
820
821 int journal_fd = -1;
822
823 uschar *keep_environment = NULL;
824
825 int keep_malformed = 4*24*60*60; /* 4 days */
826
827 uschar *eldap_dn = NULL;
828 int load_average = -2;
829 BOOL local_error_message = FALSE;
830 BOOL local_from_check = TRUE;
831 uschar *local_from_prefix = NULL;
832 uschar *local_from_suffix = NULL;
833
834 #if HAVE_IPV6
835 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
836 #else
837 uschar *local_interfaces = US"0.0.0.0";
838 #endif
839
840 uschar *local_scan_data = NULL;
841 int local_scan_timeout = 5*60;
842 BOOL local_sender_retain = FALSE;
843 gid_t local_user_gid = (gid_t)(-1);
844 uid_t local_user_uid = (uid_t)(-1);
845
846 tree_node *localpartlist_anchor= NULL;
847 int localpartlist_count = 0;
848 uschar *log_buffer = NULL;
849
850 int log_default[] = { /* for initializing log_selector */
851 Li_acl_warn_skipped,
852 Li_connection_reject,
853 Li_delay_delivery,
854 Li_dnslist_defer,
855 Li_etrn,
856 Li_host_lookup_failed,
857 Li_lost_incoming_connection,
858 Li_outgoing_interface, /* see d_log_interface in deliver.c */
859 Li_queue_run,
860 Li_rejected_header,
861 Li_retry_defer,
862 Li_sender_verify_fail,
863 Li_size_reject,
864 Li_skip_delivery,
865 Li_smtp_confirmation,
866 Li_tls_certificate_verified,
867 Li_tls_cipher,
868 -1
869 };
870
871 uschar *log_file_path = US LOG_FILE_PATH
872 "\0<--------------Space to patch log_file_path->";
873
874 int log_notall[] = {
875 -1
876 };
877 bit_table log_options[] = { /* must be in alphabetical order */
878 BIT_TABLE(L, 8bitmime),
879 BIT_TABLE(L, acl_warn_skipped),
880 BIT_TABLE(L, address_rewrite),
881 BIT_TABLE(L, all),
882 BIT_TABLE(L, all_parents),
883 BIT_TABLE(L, arguments),
884 BIT_TABLE(L, connection_reject),
885 BIT_TABLE(L, delay_delivery),
886 BIT_TABLE(L, deliver_time),
887 BIT_TABLE(L, delivery_size),
888 BIT_TABLE(L, dnslist_defer),
889 BIT_TABLE(L, dnssec),
890 BIT_TABLE(L, etrn),
891 BIT_TABLE(L, host_lookup_failed),
892 BIT_TABLE(L, ident_timeout),
893 BIT_TABLE(L, incoming_interface),
894 BIT_TABLE(L, incoming_port),
895 BIT_TABLE(L, lost_incoming_connection),
896 BIT_TABLE(L, outgoing_interface),
897 BIT_TABLE(L, outgoing_port),
898 BIT_TABLE(L, pid),
899 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
900 BIT_TABLE(L, proxy),
901 #endif
902 BIT_TABLE(L, queue_run),
903 BIT_TABLE(L, queue_time),
904 BIT_TABLE(L, queue_time_overall),
905 BIT_TABLE(L, received_recipients),
906 BIT_TABLE(L, received_sender),
907 BIT_TABLE(L, rejected_header),
908 { US"rejected_headers", Li_rejected_header },
909 BIT_TABLE(L, retry_defer),
910 BIT_TABLE(L, return_path_on_delivery),
911 BIT_TABLE(L, sender_on_delivery),
912 BIT_TABLE(L, sender_verify_fail),
913 BIT_TABLE(L, size_reject),
914 BIT_TABLE(L, skip_delivery),
915 BIT_TABLE(L, smtp_confirmation),
916 BIT_TABLE(L, smtp_connection),
917 BIT_TABLE(L, smtp_incomplete_transaction),
918 BIT_TABLE(L, smtp_mailauth),
919 BIT_TABLE(L, smtp_no_mail),
920 BIT_TABLE(L, smtp_protocol_error),
921 BIT_TABLE(L, smtp_syntax_error),
922 BIT_TABLE(L, subject),
923 BIT_TABLE(L, tls_certificate_verified),
924 BIT_TABLE(L, tls_cipher),
925 BIT_TABLE(L, tls_peerdn),
926 BIT_TABLE(L, tls_sni),
927 BIT_TABLE(L, unknown_in_list),
928 };
929 int log_options_count = nelem(log_options);
930
931 int log_reject_target = 0;
932 unsigned int log_selector[log_selector_size]; /* initialized in main() */
933 uschar *log_selector_string = NULL;
934 FILE *log_stderr = NULL;
935 BOOL log_testing_mode = FALSE;
936 BOOL log_timezone = FALSE;
937 uschar *login_sender_address = NULL;
938 uschar *lookup_dnssec_authenticated = NULL;
939 int lookup_open_max = 25;
940 uschar *lookup_value = NULL;
941
942 uschar *mailstore_basename = NULL;
943 #ifdef WITH_CONTENT_SCAN
944 uschar *malware_name = NULL; /* Virus Name */
945 #endif
946 int max_received_linelength= 0;
947 int max_username_length = 0;
948 int message_age = 0;
949 uschar *message_body = NULL;
950 uschar *message_body_end = NULL;
951 BOOL message_body_newlines = FALSE;
952 int message_body_size = 0;
953 int message_body_visible = 500;
954 int message_ended = END_NOTSTARTED;
955 uschar *message_headers = NULL;
956 uschar *message_id;
957 uschar *message_id_domain = NULL;
958 uschar *message_id_text = NULL;
959 struct timeval message_id_tv = { 0, 0 };
960 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
961 uschar *message_id_external;
962 int message_linecount = 0;
963 BOOL message_logs = TRUE;
964 int message_size = 0;
965 uschar *message_size_limit = US"50M";
966 #ifdef SUPPORT_I18N
967 BOOL message_smtputf8 = FALSE;
968 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
969 #endif
970 uschar message_subdir[2] = { 0, 0 };
971 uschar *message_reference = NULL;
972
973 /* MIME ACL expandables */
974 #ifdef WITH_CONTENT_SCAN
975 int mime_anomaly_level = 0;
976 const uschar *mime_anomaly_text = NULL;
977 uschar *mime_boundary = NULL;
978 uschar *mime_charset = NULL;
979 uschar *mime_content_description = NULL;
980 uschar *mime_content_disposition = NULL;
981 uschar *mime_content_id = NULL;
982 unsigned int mime_content_size = 0;
983 uschar *mime_content_transfer_encoding = NULL;
984 uschar *mime_content_type = NULL;
985 uschar *mime_decoded_filename = NULL;
986 uschar *mime_filename = NULL;
987 int mime_is_multipart = 0;
988 int mime_is_coverletter = 0;
989 int mime_is_rfc822 = 0;
990 int mime_part_count = -1;
991 #endif
992
993 BOOL mua_wrapper = FALSE;
994
995 uid_t *never_users = NULL;
996 #ifdef WITH_CONTENT_SCAN
997 BOOL no_mbox_unspool = FALSE;
998 #endif
999 BOOL no_multiline_responses = FALSE;
1000
1001 const int on = 1; /* for setsockopt */
1002 const int off = 0;
1003
1004 uid_t original_euid;
1005 gid_t originator_gid;
1006 uschar *originator_login = NULL;
1007 uschar *originator_name = NULL;
1008 uid_t originator_uid;
1009 uschar *override_local_interfaces = NULL;
1010 uschar *override_pid_file_path = NULL;
1011
1012 BOOL parse_allow_group = FALSE;
1013 BOOL parse_found_group = FALSE;
1014 uschar *percent_hack_domains = NULL;
1015 uschar *pid_file_path = US PID_FILE_PATH
1016 "\0<--------------Space to patch pid_file_path->";
1017 BOOL pipelining_enable = TRUE;
1018 uschar *pipelining_advertise_hosts = US"*";
1019 BOOL preserve_message_logs = FALSE;
1020 uschar *primary_hostname = NULL;
1021 BOOL print_topbitchars = FALSE;
1022 uschar process_info[PROCESS_INFO_SIZE];
1023 int process_info_len = 0;
1024 uschar *process_log_path = NULL;
1025 BOOL prod_requires_admin = TRUE;
1026
1027 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1028 uschar *hosts_proxy = US"";
1029 uschar *proxy_external_address = US"";
1030 int proxy_external_port = 0;
1031 uschar *proxy_local_address = US"";
1032 int proxy_local_port = 0;
1033 BOOL proxy_session = FALSE;
1034 BOOL proxy_session_failed = FALSE;
1035 #endif
1036
1037 uschar *prvscheck_address = NULL;
1038 uschar *prvscheck_keynum = NULL;
1039 uschar *prvscheck_result = NULL;
1040
1041
1042 const uschar *qualify_domain_recipient = NULL;
1043 uschar *qualify_domain_sender = NULL;
1044 BOOL queue_2stage = FALSE;
1045 uschar *queue_domains = NULL;
1046 int queue_interval = -1;
1047 BOOL queue_list_requires_admin = TRUE;
1048 uschar *queue_name = US"";
1049 BOOL queue_only = FALSE;
1050 uschar *queue_only_file = NULL;
1051 int queue_only_load = -1;
1052 BOOL queue_only_load_latch = TRUE;
1053 BOOL queue_only_override = TRUE;
1054 BOOL queue_only_policy = FALSE;
1055 BOOL queue_run_first_delivery = FALSE;
1056 BOOL queue_run_force = FALSE;
1057 BOOL queue_run_in_order = FALSE;
1058 BOOL queue_run_local = FALSE;
1059 uschar *queue_run_max = US"5";
1060 pid_t queue_run_pid = (pid_t)0;
1061 int queue_run_pipe = -1;
1062 BOOL queue_running = FALSE;
1063 BOOL queue_smtp = FALSE;
1064 uschar *queue_smtp_domains = NULL;
1065
1066 unsigned int random_seed = 0;
1067 tree_node *ratelimiters_cmd = NULL;
1068 tree_node *ratelimiters_conn = NULL;
1069 tree_node *ratelimiters_mail = NULL;
1070 uschar *raw_active_hostname = NULL;
1071 uschar *raw_sender = NULL;
1072 uschar **raw_recipients = NULL;
1073 int raw_recipients_count = 0;
1074
1075 int rcpt_count = 0;
1076 int rcpt_fail_count = 0;
1077 int rcpt_defer_count = 0;
1078 gid_t real_gid;
1079 uid_t real_uid;
1080 BOOL really_exim = TRUE;
1081 BOOL receive_call_bombout = FALSE;
1082 int receive_linecount = 0;
1083 int receive_messagecount = 0;
1084 int receive_timeout = 0;
1085 int received_count = 0;
1086 uschar *received_for = NULL;
1087
1088 /* This is the default text for Received headers generated by Exim. The
1089 date will be automatically added on the end. */
1090
1091 uschar *received_header_text = US
1092 "Received: "
1093 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1094 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1095 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1096 "by $primary_hostname "
1097 "${if def:received_protocol {with $received_protocol}} "
1098 #ifdef SUPPORT_TLS
1099 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1100 #endif
1101 "(Exim $version_number)\n\t"
1102 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1103 "id $message_exim_id"
1104 "${if def:received_for {\n\tfor $received_for}}"
1105 "\0<---------------Space to patch received_header_text->";
1106
1107 int received_headers_max = 30;
1108 uschar *received_protocol = NULL;
1109 int received_time = 0;
1110 uschar *recipient_data = NULL;
1111 uschar *recipient_unqualified_hosts = NULL;
1112 uschar *recipient_verify_failure = NULL;
1113 int recipients_count = 0;
1114 BOOL recipients_discarded = FALSE;
1115 recipient_item *recipients_list = NULL;
1116 int recipients_list_max = 0;
1117 int recipients_max = 0;
1118 BOOL recipients_max_reject = FALSE;
1119 const pcre *regex_AUTH = NULL;
1120 const pcre *regex_check_dns_names = NULL;
1121 const pcre *regex_From = NULL;
1122 const pcre *regex_IGNOREQUOTA = NULL;
1123 const pcre *regex_PIPELINING = NULL;
1124 const pcre *regex_SIZE = NULL;
1125 const pcre *regex_ismsgid = NULL;
1126 const pcre *regex_smtp_code = NULL;
1127 uschar *regex_vars[REGEX_VARS];
1128 #ifdef WHITELIST_D_MACROS
1129 const pcre *regex_whitelisted_macro = NULL;
1130 #endif
1131 #ifdef WITH_CONTENT_SCAN
1132 uschar *regex_match_string = NULL;
1133 #endif
1134 int remote_delivery_count = 0;
1135 int remote_max_parallel = 2;
1136 uschar *remote_sort_domains = NULL;
1137 int retry_data_expire = 7*24*60*60;
1138 int retry_interval_max = 24*60*60;
1139 int retry_maximum_timeout = 0; /* set from retry config */
1140 retry_config *retries = NULL;
1141 uschar *return_path = NULL;
1142 BOOL return_path_remove = TRUE;
1143 int rewrite_existflags = 0;
1144 uschar *rfc1413_hosts = US"@[]";
1145 int rfc1413_query_timeout = 0;
1146 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1147 uid_t root_gid = ROOT_GID;
1148 uid_t root_uid = ROOT_UID;
1149
1150 router_instance *routers = NULL;
1151 router_instance router_defaults = {
1152 NULL, /* chain pointer */
1153 NULL, /* name */
1154 NULL, /* info */
1155 NULL, /* private options block pointer */
1156 NULL, /* driver name */
1157
1158 NULL, /* address_data */
1159 #ifdef EXPERIMENTAL_BRIGHTMAIL
1160 NULL, /* bmi_rule */
1161 #endif
1162 NULL, /* cannot_route_message */
1163 NULL, /* condition */
1164 NULL, /* current_directory */
1165 NULL, /* debug_string */
1166 NULL, /* domains */
1167 NULL, /* errors_to */
1168 NULL, /* expand_gid */
1169 NULL, /* expand_uid */
1170 NULL, /* expand_more */
1171 NULL, /* expand_unseen */
1172 NULL, /* extra_headers */
1173 NULL, /* fallback_hosts */
1174 NULL, /* home_directory */
1175 NULL, /* ignore_target_hosts */
1176 NULL, /* local_parts */
1177 NULL, /* pass_router_name */
1178 NULL, /* prefix */
1179 NULL, /* redirect_router_name */
1180 NULL, /* remove_headers */
1181 NULL, /* require_files */
1182 NULL, /* router_home_directory */
1183 US"freeze", /* self */
1184 NULL, /* senders */
1185 NULL, /* suffix */
1186 NULL, /* translate_ip_address */
1187 NULL, /* transport_name */
1188
1189 TRUE, /* address_test */
1190 #ifdef EXPERIMENTAL_BRIGHTMAIL
1191 FALSE, /* bmi_deliver_alternate */
1192 FALSE, /* bmi_deliver_default */
1193 FALSE, /* bmi_dont_deliver */
1194 #endif
1195 TRUE, /* expn */
1196 FALSE, /* caseful_local_part */
1197 FALSE, /* check_local_user */
1198 FALSE, /* disable_logging */
1199 FALSE, /* fail_verify_recipient */
1200 FALSE, /* fail_verify_sender */
1201 FALSE, /* gid_set */
1202 FALSE, /* initgroups */
1203 TRUE_UNSET, /* log_as_local */
1204 TRUE, /* more */
1205 FALSE, /* pass_on_timeout */
1206 FALSE, /* prefix_optional */
1207 TRUE, /* repeat_use */
1208 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1209 FALSE, /* same_domain_copy_routing */
1210 FALSE, /* self_rewrite */
1211 FALSE, /* suffix_optional */
1212 FALSE, /* verify_only */
1213 TRUE, /* verify_recipient */
1214 TRUE, /* verify_sender */
1215 FALSE, /* uid_set */
1216 FALSE, /* unseen */
1217 FALSE, /* dsn_lasthop */
1218
1219 self_freeze, /* self_code */
1220 (uid_t)(-1), /* uid */
1221 (gid_t)(-1), /* gid */
1222
1223 NULL, /* fallback_hostlist */
1224 NULL, /* transport instance */
1225 NULL, /* pass_router */
1226 NULL, /* redirect_router */
1227
1228 { NULL, NULL }, /* dnssec_domains {require,request} */
1229 };
1230
1231 uschar *router_name = NULL;
1232
1233 ip_address_item *running_interfaces = NULL;
1234 BOOL running_in_test_harness = FALSE;
1235
1236 /* This is a weird one. The following string gets patched in the binary by the
1237 script that sets up a copy of Exim for running in the test harness. It seems
1238 that compilers are now clever, and share constant strings if they can.
1239 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1240 make use of the end of this string in order to save space. So the patching then
1241 wrecks this. We defeat this optimization by adding some additional characters
1242 onto the end of the string. */
1243
1244 uschar *running_status = US">>>running<<<" "\0EXTRA";
1245
1246 int runrc = 0;
1247
1248 uschar *search_error_message = NULL;
1249 BOOL search_find_defer = FALSE;
1250 uschar *self_hostname = NULL;
1251 uschar *sender_address = NULL;
1252 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1253 uschar *sender_address_data = NULL;
1254 BOOL sender_address_forced = FALSE;
1255 uschar *sender_address_unrewritten = NULL;
1256 uschar *sender_data = NULL;
1257 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1258 uschar *sender_fullhost = NULL;
1259 BOOL sender_helo_dnssec = FALSE;
1260 uschar *sender_helo_name = NULL;
1261 uschar **sender_host_aliases = &no_aliases;
1262 uschar *sender_host_address = NULL;
1263 uschar *sender_host_authenticated = NULL;
1264 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1265 BOOL sender_host_dnssec = FALSE;
1266 uschar *sender_host_name = NULL;
1267 int sender_host_port = 0;
1268 BOOL sender_host_notsocket = FALSE;
1269 BOOL sender_host_unknown = FALSE;
1270 uschar *sender_ident = NULL;
1271 BOOL sender_local = FALSE;
1272 BOOL sender_name_forced = FALSE;
1273 uschar *sender_rate = NULL;
1274 uschar *sender_rate_limit = NULL;
1275 uschar *sender_rate_period = NULL;
1276 uschar *sender_rcvhost = NULL;
1277 BOOL sender_set_untrusted = FALSE;
1278 uschar *sender_unqualified_hosts = NULL;
1279 uschar *sender_verify_failure = NULL;
1280 address_item *sender_verified_list = NULL;
1281 address_item *sender_verified_failed = NULL;
1282 int sender_verified_rc = -1;
1283 BOOL sender_verified_responded = FALSE;
1284 uschar *sending_ip_address = NULL;
1285 int sending_port = -1;
1286 SIGNAL_BOOL sigalrm_seen = FALSE;
1287 uschar **sighup_argv = NULL;
1288 int slow_lookup_log = 0; /* millisecs, zero disables */
1289 int smtp_accept_count = 0;
1290 BOOL smtp_accept_keepalive = TRUE;
1291 int smtp_accept_max = 20;
1292 int smtp_accept_max_nonmail= 10;
1293 uschar *smtp_accept_max_nonmail_hosts = US"*";
1294 int smtp_accept_max_per_connection = 1000;
1295 uschar *smtp_accept_max_per_host = NULL;
1296 int smtp_accept_queue = 0;
1297 int smtp_accept_queue_per_connection = 10;
1298 int smtp_accept_reserve = 0;
1299 uschar *smtp_active_hostname = NULL;
1300 BOOL smtp_authenticated = FALSE;
1301 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1302 "Exim $version_number $tod_full"
1303 "\0<---------------Space to patch smtp_banner->";
1304 BOOL smtp_batched_input = FALSE;
1305 BOOL smtp_check_spool_space = TRUE;
1306 int smtp_ch_index = 0;
1307 uschar *smtp_cmd_argument = NULL;
1308 uschar *smtp_cmd_buffer = NULL;
1309 time_t smtp_connection_start = 0;
1310 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1311 int smtp_connect_backlog = 20;
1312 double smtp_delay_mail = 0.0;
1313 double smtp_delay_rcpt = 0.0;
1314 BOOL smtp_enforce_sync = TRUE;
1315 FILE *smtp_in = NULL;
1316 BOOL smtp_input = FALSE;
1317 int smtp_load_reserve = -1;
1318 int smtp_mailcmd_count = 0;
1319 FILE *smtp_out = NULL;
1320 uschar *smtp_etrn_command = NULL;
1321 BOOL smtp_etrn_serialize = TRUE;
1322 int smtp_max_synprot_errors= 3;
1323 int smtp_max_unknown_commands = 3;
1324 uschar *smtp_notquit_reason = NULL;
1325 uschar *smtp_ratelimit_hosts = NULL;
1326 uschar *smtp_ratelimit_mail = NULL;
1327 uschar *smtp_ratelimit_rcpt = NULL;
1328 uschar *smtp_read_error = US"";
1329 int smtp_receive_timeout = 5*60;
1330 uschar *smtp_receive_timeout_s = NULL;
1331 uschar *smtp_reserve_hosts = NULL;
1332 BOOL smtp_return_error_details = FALSE;
1333 int smtp_rlm_base = 0;
1334 double smtp_rlm_factor = 0.0;
1335 int smtp_rlm_limit = 0;
1336 int smtp_rlm_threshold = INT_MAX;
1337 int smtp_rlr_base = 0;
1338 double smtp_rlr_factor = 0.0;
1339 int smtp_rlr_limit = 0;
1340 int smtp_rlr_threshold = INT_MAX;
1341 unsigned smtp_peer_options = 0;
1342 unsigned smtp_peer_options_wrap= 0;
1343 #ifdef SUPPORT_I18N
1344 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1345 #endif
1346
1347 #ifdef WITH_CONTENT_SCAN
1348 uschar *spamd_address = US"127.0.0.1 783";
1349 uschar *spam_bar = NULL;
1350 uschar *spam_report = NULL;
1351 uschar *spam_action = NULL;
1352 uschar *spam_score = NULL;
1353 uschar *spam_score_int = NULL;
1354 #endif
1355 #ifdef EXPERIMENTAL_SPF
1356 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1357 uschar *spf_header_comment = NULL;
1358 uschar *spf_received = NULL;
1359 uschar *spf_result = NULL;
1360 uschar *spf_smtp_comment = NULL;
1361 #endif
1362
1363 BOOL split_spool_directory = FALSE;
1364 uschar *spool_directory = US SPOOL_DIRECTORY
1365 "\0<--------------Space to patch spool_directory->";
1366 BOOL spool_file_wireformat = FALSE;
1367 BOOL spool_wireformat = FALSE;
1368 #ifdef EXPERIMENTAL_SRS
1369 uschar *srs_config = NULL;
1370 uschar *srs_db_address = NULL;
1371 uschar *srs_db_key = NULL;
1372 int srs_hashlength = 6;
1373 int srs_hashmin = -1;
1374 int srs_maxage = 31;
1375 uschar *srs_orig_recipient = NULL;
1376 uschar *srs_orig_sender = NULL;
1377 uschar *srs_recipient = NULL;
1378 uschar *srs_secrets = NULL;
1379 uschar *srs_status = NULL;
1380 BOOL srs_usehash = TRUE;
1381 BOOL srs_usetimestamp = TRUE;
1382 #endif
1383 BOOL strict_acl_vars = FALSE;
1384 int string_datestamp_offset= -1;
1385 int string_datestamp_length= 0;
1386 int string_datestamp_type = -1;
1387 BOOL strip_excess_angle_brackets = FALSE;
1388 BOOL strip_trailing_dot = FALSE;
1389 uschar *submission_domain = NULL;
1390 BOOL submission_mode = FALSE;
1391 uschar *submission_name = NULL;
1392 BOOL suppress_local_fixups = FALSE;
1393 BOOL suppress_local_fixups_default = FALSE;
1394 BOOL synchronous_delivery = FALSE;
1395 BOOL syslog_duplication = TRUE;
1396 int syslog_facility = LOG_MAIL;
1397 BOOL syslog_pid = TRUE;
1398 uschar *syslog_processname = US"exim";
1399 BOOL syslog_timestamp = TRUE;
1400 uschar *system_filter = NULL;
1401
1402 uschar *system_filter_directory_transport = NULL;
1403 uschar *system_filter_file_transport = NULL;
1404 uschar *system_filter_pipe_transport = NULL;
1405 uschar *system_filter_reply_transport = NULL;
1406
1407 gid_t system_filter_gid = 0;
1408 BOOL system_filter_gid_set = FALSE;
1409 uid_t system_filter_uid = (uid_t)-1;
1410 BOOL system_filter_uid_set = FALSE;
1411 BOOL system_filtering = FALSE;
1412
1413 BOOL tcp_fastopen_ok = FALSE;
1414 BOOL tcp_nodelay = TRUE;
1415 #ifdef USE_TCP_WRAPPERS
1416 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1417 #endif
1418 int test_harness_load_avg = 0;
1419 int thismessage_size_limit = 0;
1420 int timeout_frozen_after = 0;
1421 BOOL timestamps_utc = FALSE;
1422
1423 transport_instance *transports = NULL;
1424
1425 transport_instance transport_defaults = {
1426 NULL, /* chain pointer */
1427 NULL, /* name */
1428 NULL, /* info */
1429 NULL, /* private options block pointer */
1430 NULL, /* driver name */
1431 NULL, /* setup entry point */
1432 1, /* batch_max */
1433 NULL, /* batch_id */
1434 NULL, /* home_dir */
1435 NULL, /* current_dir */
1436 NULL, /* expand-multi-domain */
1437 TRUE, /* multi-domain */
1438 FALSE, /* overrides_hosts */
1439 100, /* max_addresses */
1440 500, /* connection_max_messages */
1441 FALSE, /* deliver_as_creator */
1442 FALSE, /* disable_logging */
1443 FALSE, /* initgroups */
1444 FALSE, /* uid_set */
1445 FALSE, /* gid_set */
1446 (uid_t)(-1), /* uid */
1447 (gid_t)(-1), /* gid */
1448 NULL, /* expand_uid */
1449 NULL, /* expand_gid */
1450 NULL, /* warn_message */
1451 NULL, /* shadow */
1452 NULL, /* shadow_condition */
1453 NULL, /* filter_command */
1454 NULL, /* add_headers */
1455 NULL, /* remove_headers */
1456 NULL, /* return_path */
1457 NULL, /* debug_string */
1458 NULL, /* max_parallel */
1459 NULL, /* message_size_limit */
1460 NULL, /* headers_rewrite */
1461 NULL, /* rewrite_rules */
1462 0, /* rewrite_existflags */
1463 300, /* filter_timeout */
1464 FALSE, /* body_only */
1465 FALSE, /* delivery_date_add */
1466 FALSE, /* envelope_to_add */
1467 FALSE, /* headers_only */
1468 FALSE, /* rcpt_include_affixes */
1469 FALSE, /* return_path_add */
1470 FALSE, /* return_output */
1471 FALSE, /* return_fail_output */
1472 FALSE, /* log_output */
1473 FALSE, /* log_fail_output */
1474 FALSE, /* log_defer_output */
1475 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1476 1 nor 0 so can detect unset */
1477 #ifndef DISABLE_EVENT
1478 ,NULL /* event_action */
1479 #endif
1480 };
1481
1482 int transport_count;
1483 uschar *transport_name = NULL;
1484 int transport_newlines;
1485 const uschar **transport_filter_argv = NULL;
1486 int transport_filter_timeout;
1487 BOOL transport_filter_timed_out = FALSE;
1488 int transport_write_timeout= 0;
1489
1490 tree_node *tree_dns_fails = NULL;
1491 tree_node *tree_duplicates = NULL;
1492 tree_node *tree_nonrecipients = NULL;
1493 tree_node *tree_unusable = NULL;
1494
1495 BOOL trusted_caller = FALSE;
1496 BOOL trusted_config = TRUE;
1497 gid_t *trusted_groups = NULL;
1498 uid_t *trusted_users = NULL;
1499 uschar *timezone_string = US TIMEZONE_DEFAULT;
1500
1501 uschar *unknown_login = NULL;
1502 uschar *unknown_username = NULL;
1503 uschar *untrusted_set_sender = NULL;
1504
1505 /* A regex for matching a "From_" line in an incoming message, in the form
1506
1507 From ph10 Fri Jan 5 12:35 GMT 1996
1508
1509 which the "mail" commands send to the MTA (undocumented, of course), or in
1510 the form
1511
1512 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1513
1514 which is apparently used by some UUCPs, despite it not being in RFC 976.
1515 Because of variations in time formats, just match up to the minutes. That
1516 should be sufficient. Examples have been seen of time fields like 12:1:03,
1517 so just require one digit for hours and minutes. The weekday is also absent
1518 in some forms. */
1519
1520 uschar *uucp_from_pattern = US
1521 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1522 "(?:" /* Non-extracting bracket */
1523 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1524 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1525 ")" /* End alternation */
1526 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1527
1528 uschar *uucp_from_sender = US"$1";
1529
1530 uschar *verify_mode = NULL;
1531 uschar *version_copyright =
1532 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1533 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1534 uschar *version_date = US"?";
1535 uschar *version_cnumber = US"????";
1536 uschar *version_string = US"?";
1537
1538 uschar *warn_message_file = NULL;
1539 int warning_count = 0;
1540 uschar *warnmsg_delay = NULL;
1541 uschar *warnmsg_recipients = NULL;
1542 BOOL write_rejectlog = TRUE;
1543
1544
1545 /* End of globals.c */
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