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Callouts: a "hold" option for receipient-verify, which keeps the connection open...
[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, /* verify-only: normal delivery */
542 FALSE, /* delivery: when to attempt */
543 FALSE, /* on defer: spool locally */
544 FALSE, /* not a TLS conn yet */
545 -1, /* fd: open connection */
546 0, /* nrcpt: number of addresses */
547 };
548
549 BOOL daemon_listen = FALSE;
550 uschar *daemon_smtp_port = US"smtp";
551 int daemon_startup_retries = 9;
552 int daemon_startup_sleep = 30;
553
554 #ifdef EXPERIMENTAL_DCC
555 BOOL dcc_direct_add_header = FALSE;
556 uschar *dcc_header = NULL;
557 uschar *dcc_result = NULL;
558 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
559 uschar *dccifd_options = US"header";
560 #endif
561
562 BOOL debug_daemon = FALSE;
563 int debug_fd = -1;
564 FILE *debug_file = NULL;
565 int debug_notall[] = {
566 Di_memory,
567 -1
568 };
569 bit_table debug_options[] = { /* must be in alphabetical order */
570 BIT_TABLE(D, acl),
571 BIT_TABLE(D, all),
572 BIT_TABLE(D, auth),
573 BIT_TABLE(D, deliver),
574 BIT_TABLE(D, dns),
575 BIT_TABLE(D, dnsbl),
576 BIT_TABLE(D, exec),
577 BIT_TABLE(D, expand),
578 BIT_TABLE(D, filter),
579 BIT_TABLE(D, hints_lookup),
580 BIT_TABLE(D, host_lookup),
581 BIT_TABLE(D, ident),
582 BIT_TABLE(D, interface),
583 BIT_TABLE(D, lists),
584 BIT_TABLE(D, load),
585 BIT_TABLE(D, local_scan),
586 BIT_TABLE(D, lookup),
587 BIT_TABLE(D, memory),
588 BIT_TABLE(D, pid),
589 BIT_TABLE(D, process_info),
590 BIT_TABLE(D, queue_run),
591 BIT_TABLE(D, receive),
592 BIT_TABLE(D, resolver),
593 BIT_TABLE(D, retry),
594 BIT_TABLE(D, rewrite),
595 BIT_TABLE(D, route),
596 BIT_TABLE(D, timestamp),
597 BIT_TABLE(D, tls),
598 BIT_TABLE(D, transport),
599 BIT_TABLE(D, uid),
600 BIT_TABLE(D, verify),
601 };
602 int debug_options_count = nelem(debug_options);
603
604 unsigned int debug_selector = 0;
605 BOOL debug_store = FALSE;
606 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
607 uschar *delay_warning_condition=
608 US"${if or {"
609 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
610 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
611 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
612 "} {no}{yes}}";
613 BOOL delivery_date_remove = TRUE;
614 uschar *deliver_address_data = NULL;
615 int deliver_datafile = -1;
616 const uschar *deliver_domain = NULL;
617 uschar *deliver_domain_data = NULL;
618 const uschar *deliver_domain_orig = NULL;
619 const uschar *deliver_domain_parent = NULL;
620 BOOL deliver_drop_privilege = FALSE;
621 BOOL deliver_firsttime = FALSE;
622 BOOL deliver_force = FALSE;
623 BOOL deliver_freeze = FALSE;
624 time_t deliver_frozen_at = 0;
625 uschar *deliver_home = NULL;
626 const uschar *deliver_host = NULL;
627 const uschar *deliver_host_address = NULL;
628 int deliver_host_port = 0;
629 uschar *deliver_in_buffer = NULL;
630 ino_t deliver_inode = 0;
631 uschar *deliver_localpart = NULL;
632 uschar *deliver_localpart_data = NULL;
633 uschar *deliver_localpart_orig = NULL;
634 uschar *deliver_localpart_parent = NULL;
635 uschar *deliver_localpart_prefix = NULL;
636 uschar *deliver_localpart_suffix = NULL;
637 BOOL deliver_force_thaw = FALSE;
638 BOOL deliver_manual_thaw = FALSE;
639 uschar *deliver_out_buffer = NULL;
640 int deliver_queue_load_max = -1;
641 address_item *deliver_recipients = NULL;
642 uschar *deliver_selectstring = NULL;
643 BOOL deliver_selectstring_regex = FALSE;
644 uschar *deliver_selectstring_sender = NULL;
645 BOOL deliver_selectstring_sender_regex = FALSE;
646 BOOL disable_callout_flush = FALSE;
647 BOOL disable_delay_flush = FALSE;
648 #ifdef ENABLE_DISABLE_FSYNC
649 BOOL disable_fsync = FALSE;
650 #endif
651 BOOL disable_ipv6 = FALSE;
652 BOOL disable_logging = FALSE;
653
654 #ifndef DISABLE_DKIM
655 BOOL dkim_collect_input = FALSE;
656 uschar *dkim_cur_signer = NULL;
657 BOOL dkim_disable_verify = FALSE;
658 int dkim_key_length = 0;
659 uschar *dkim_signers = NULL;
660 uschar *dkim_signing_domain = NULL;
661 uschar *dkim_signing_selector = NULL;
662 uschar *dkim_verify_signers = US"$dkim_signers";
663 #endif
664 #ifdef EXPERIMENTAL_DMARC
665 BOOL dmarc_has_been_checked = FALSE;
666 uschar *dmarc_ar_header = NULL;
667 uschar *dmarc_domain_policy = NULL;
668 uschar *dmarc_forensic_sender = NULL;
669 uschar *dmarc_history_file = NULL;
670 uschar *dmarc_status = NULL;
671 uschar *dmarc_status_text = NULL;
672 uschar *dmarc_tld_file = NULL;
673 uschar *dmarc_used_domain = NULL;
674 BOOL dmarc_disable_verify = FALSE;
675 BOOL dmarc_enable_forensic = FALSE;
676 #endif
677
678 uschar *dns_again_means_nonexist = NULL;
679 int dns_csa_search_limit = 5;
680 BOOL dns_csa_use_reverse = TRUE;
681 #ifdef EXPERIMENTAL_DANE
682 int dns_dane_ok = -1;
683 #endif
684 uschar *dns_ipv4_lookup = NULL;
685 int dns_retrans = 0;
686 int dns_retry = 0;
687 int dns_dnssec_ok = -1; /* <0 = not coerced */
688 uschar *dns_trust_aa = NULL;
689 int dns_use_edns0 = -1; /* <0 = not coerced */
690 uschar *dnslist_domain = NULL;
691 uschar *dnslist_matched = NULL;
692 uschar *dnslist_text = NULL;
693 uschar *dnslist_value = NULL;
694 tree_node *domainlist_anchor = NULL;
695 int domainlist_count = 0;
696 BOOL dont_deliver = FALSE;
697 BOOL dot_ends = TRUE;
698 BOOL drop_cr = FALSE; /* No longer used */
699 uschar *dsn_from = US DEFAULT_DSN_FROM;
700
701 BOOL enable_dollar_recipients = FALSE;
702 BOOL envelope_to_remove = TRUE;
703 int errno_quota = ERRNO_QUOTA;
704 uschar *errors_copy = NULL;
705 int error_handling = ERRORS_SENDER;
706 uschar *errors_reply_to = NULL;
707 int errors_sender_rc = EXIT_FAILURE;
708 #ifndef DISABLE_EVENT
709 uschar *event_action = NULL; /* expansion for delivery events */
710 uschar *event_data = NULL; /* auxiliary data variable for event */
711 int event_defer_errno = 0;
712 const uschar *event_name = NULL; /* event name variable */
713 #endif
714
715
716 gid_t exim_gid = EXIM_GID;
717 BOOL exim_gid_set = TRUE; /* This gid is always set */
718 uschar *exim_path = US BIN_DIRECTORY "/exim"
719 "\0<---------------Space to patch exim_path->";
720 uid_t exim_uid = EXIM_UID;
721 BOOL exim_uid_set = TRUE; /* This uid is always set */
722 int expand_level = 0; /* Nesting depth, indent for debug */
723 int expand_forbid = 0;
724 int expand_nlength[EXPAND_MAXN+1];
725 int expand_nmax = -1;
726 uschar *expand_nstring[EXPAND_MAXN+1];
727 BOOL expand_string_forcedfail = FALSE;
728 uschar *expand_string_message;
729 BOOL extract_addresses_remove_arguments = TRUE;
730 uschar *extra_local_interfaces = NULL;
731
732 int fake_response = OK;
733 uschar *fake_response_text = US"Your message has been rejected but is "
734 "being kept for evaluation.\nIf it was a "
735 "legitimate message, it may still be "
736 "delivered to the target recipient(s).";
737 int filter_n[FILTER_VARIABLE_COUNT];
738 BOOL filter_running = FALSE;
739 int filter_sn[FILTER_VARIABLE_COUNT];
740 int filter_test = FTEST_NONE;
741 uschar *filter_test_sfile = NULL;
742 uschar *filter_test_ufile = NULL;
743 uschar *filter_thisaddress = NULL;
744 int finduser_retries = 0;
745 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
746 uschar *freeze_tell = NULL;
747 uschar *freeze_tell_config = NULL;
748 uschar *fudged_queue_times = US"";
749
750 uschar *gecos_name = NULL;
751 uschar *gecos_pattern = NULL;
752 rewrite_rule *global_rewrite_rules = NULL;
753
754 uschar *headers_charset = US HEADERS_CHARSET;
755 int header_insert_maxlen = 64 * 1024;
756 header_line *header_last = NULL;
757 header_line *header_list = NULL;
758 int header_maxsize = HEADER_MAXSIZE;
759 int header_line_maxsize = 0;
760
761 header_name header_names[] = {
762 { US"bcc", 3, TRUE, htype_bcc },
763 { US"cc", 2, TRUE, htype_cc },
764 { US"date", 4, TRUE, htype_date },
765 { US"delivery-date", 13, FALSE, htype_delivery_date },
766 { US"envelope-to", 11, FALSE, htype_envelope_to },
767 { US"from", 4, TRUE, htype_from },
768 { US"message-id", 10, TRUE, htype_id },
769 { US"received", 8, FALSE, htype_received },
770 { US"reply-to", 8, FALSE, htype_reply_to },
771 { US"return-path", 11, FALSE, htype_return_path },
772 { US"sender", 6, TRUE, htype_sender },
773 { US"subject", 7, FALSE, htype_subject },
774 { US"to", 2, TRUE, htype_to }
775 };
776
777 int header_names_size = sizeof(header_names)/sizeof(header_name);
778
779 BOOL header_rewritten = FALSE;
780 uschar *helo_accept_junk_hosts = NULL;
781 uschar *helo_allow_chars = US"";
782 uschar *helo_lookup_domains = US"@ : @[]";
783 uschar *helo_try_verify_hosts = NULL;
784 BOOL helo_verified = FALSE;
785 BOOL helo_verify_failed = FALSE;
786 uschar *helo_verify_hosts = NULL;
787 const uschar *hex_digits = CUS"0123456789abcdef";
788 uschar *hold_domains = NULL;
789 BOOL host_checking = FALSE;
790 BOOL host_checking_callout = FALSE;
791 uschar *host_data = NULL;
792 BOOL host_find_failed_syntax= FALSE;
793 uschar *host_lookup = NULL;
794 BOOL host_lookup_deferred = FALSE;
795 BOOL host_lookup_failed = FALSE;
796 uschar *host_lookup_order = US"bydns:byaddr";
797 uschar *host_lookup_msg = US"";
798 int host_number = 0;
799 uschar *host_number_string = NULL;
800 uschar *host_reject_connection = NULL;
801 tree_node *hostlist_anchor = NULL;
802 int hostlist_count = 0;
803 uschar *hosts_treat_as_local = NULL;
804 uschar *hosts_connection_nolog = NULL;
805
806 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
807 BOOL ignore_fromline_local = FALSE;
808 uschar *ignore_fromline_hosts = NULL;
809 BOOL inetd_wait_mode = FALSE;
810 int inetd_wait_timeout = -1;
811 uschar *initial_cwd = NULL;
812 uschar *interface_address = NULL;
813 int interface_port = -1;
814 BOOL is_inetd = FALSE;
815 uschar *iterate_item = NULL;
816
817 int journal_fd = -1;
818
819 uschar *keep_environment = NULL;
820
821 int keep_malformed = 4*24*60*60; /* 4 days */
822
823 uschar *eldap_dn = NULL;
824 int load_average = -2;
825 BOOL local_error_message = FALSE;
826 BOOL local_from_check = TRUE;
827 uschar *local_from_prefix = NULL;
828 uschar *local_from_suffix = NULL;
829
830 #if HAVE_IPV6
831 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
832 #else
833 uschar *local_interfaces = US"0.0.0.0";
834 #endif
835
836 uschar *local_scan_data = NULL;
837 int local_scan_timeout = 5*60;
838 BOOL local_sender_retain = FALSE;
839 gid_t local_user_gid = (gid_t)(-1);
840 uid_t local_user_uid = (uid_t)(-1);
841
842 tree_node *localpartlist_anchor= NULL;
843 int localpartlist_count = 0;
844 uschar *log_buffer = NULL;
845
846 int log_default[] = { /* for initializing log_selector */
847 Li_acl_warn_skipped,
848 Li_connection_reject,
849 Li_delay_delivery,
850 Li_dnslist_defer,
851 Li_etrn,
852 Li_host_lookup_failed,
853 Li_lost_incoming_connection,
854 Li_outgoing_interface, /* see d_log_interface in deliver.c */
855 Li_queue_run,
856 Li_rejected_header,
857 Li_retry_defer,
858 Li_sender_verify_fail,
859 Li_size_reject,
860 Li_skip_delivery,
861 Li_smtp_confirmation,
862 Li_tls_certificate_verified,
863 Li_tls_cipher,
864 -1
865 };
866
867 uschar *log_file_path = US LOG_FILE_PATH
868 "\0<--------------Space to patch log_file_path->";
869
870 int log_notall[] = {
871 -1
872 };
873 bit_table log_options[] = { /* must be in alphabetical order */
874 BIT_TABLE(L, 8bitmime),
875 BIT_TABLE(L, acl_warn_skipped),
876 BIT_TABLE(L, address_rewrite),
877 BIT_TABLE(L, all),
878 BIT_TABLE(L, all_parents),
879 BIT_TABLE(L, arguments),
880 BIT_TABLE(L, connection_reject),
881 BIT_TABLE(L, delay_delivery),
882 BIT_TABLE(L, deliver_time),
883 BIT_TABLE(L, delivery_size),
884 BIT_TABLE(L, dnslist_defer),
885 BIT_TABLE(L, dnssec),
886 BIT_TABLE(L, etrn),
887 BIT_TABLE(L, host_lookup_failed),
888 BIT_TABLE(L, ident_timeout),
889 BIT_TABLE(L, incoming_interface),
890 BIT_TABLE(L, incoming_port),
891 BIT_TABLE(L, lost_incoming_connection),
892 BIT_TABLE(L, outgoing_interface),
893 BIT_TABLE(L, outgoing_port),
894 BIT_TABLE(L, pid),
895 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
896 BIT_TABLE(L, proxy),
897 #endif
898 BIT_TABLE(L, queue_run),
899 BIT_TABLE(L, queue_time),
900 BIT_TABLE(L, queue_time_overall),
901 BIT_TABLE(L, received_recipients),
902 BIT_TABLE(L, received_sender),
903 BIT_TABLE(L, rejected_header),
904 { US"rejected_headers", Li_rejected_header },
905 BIT_TABLE(L, retry_defer),
906 BIT_TABLE(L, return_path_on_delivery),
907 BIT_TABLE(L, sender_on_delivery),
908 BIT_TABLE(L, sender_verify_fail),
909 BIT_TABLE(L, size_reject),
910 BIT_TABLE(L, skip_delivery),
911 BIT_TABLE(L, smtp_confirmation),
912 BIT_TABLE(L, smtp_connection),
913 BIT_TABLE(L, smtp_incomplete_transaction),
914 BIT_TABLE(L, smtp_mailauth),
915 BIT_TABLE(L, smtp_no_mail),
916 BIT_TABLE(L, smtp_protocol_error),
917 BIT_TABLE(L, smtp_syntax_error),
918 BIT_TABLE(L, subject),
919 BIT_TABLE(L, tls_certificate_verified),
920 BIT_TABLE(L, tls_cipher),
921 BIT_TABLE(L, tls_peerdn),
922 BIT_TABLE(L, tls_sni),
923 BIT_TABLE(L, unknown_in_list),
924 };
925 int log_options_count = nelem(log_options);
926
927 int log_reject_target = 0;
928 unsigned int log_selector[log_selector_size]; /* initialized in main() */
929 uschar *log_selector_string = NULL;
930 FILE *log_stderr = NULL;
931 BOOL log_testing_mode = FALSE;
932 BOOL log_timezone = FALSE;
933 uschar *login_sender_address = NULL;
934 uschar *lookup_dnssec_authenticated = NULL;
935 int lookup_open_max = 25;
936 uschar *lookup_value = NULL;
937
938 macro_item *macros = NULL;
939 macro_item *mlast = NULL;
940 BOOL macros_builtin_created = FALSE;
941 uschar *mailstore_basename = NULL;
942 #ifdef WITH_CONTENT_SCAN
943 uschar *malware_name = NULL; /* Virus Name */
944 #endif
945 int max_received_linelength= 0;
946 int max_username_length = 0;
947 int message_age = 0;
948 uschar *message_body = NULL;
949 uschar *message_body_end = NULL;
950 BOOL message_body_newlines = FALSE;
951 int message_body_size = 0;
952 int message_body_visible = 500;
953 int message_ended = END_NOTSTARTED;
954 uschar *message_headers = NULL;
955 uschar *message_id;
956 uschar *message_id_domain = NULL;
957 uschar *message_id_text = NULL;
958 struct timeval message_id_tv = { 0, 0 };
959 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
960 uschar *message_id_external;
961 int message_linecount = 0;
962 BOOL message_logs = TRUE;
963 int message_size = 0;
964 uschar *message_size_limit = US"50M";
965 #ifdef SUPPORT_I18N
966 BOOL message_smtputf8 = FALSE;
967 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
968 #endif
969 uschar message_subdir[2] = { 0, 0 };
970 uschar *message_reference = NULL;
971
972 /* MIME ACL expandables */
973 #ifdef WITH_CONTENT_SCAN
974 int mime_anomaly_level = 0;
975 const uschar *mime_anomaly_text = NULL;
976 uschar *mime_boundary = NULL;
977 uschar *mime_charset = NULL;
978 uschar *mime_content_description = NULL;
979 uschar *mime_content_disposition = NULL;
980 uschar *mime_content_id = NULL;
981 unsigned int mime_content_size = 0;
982 uschar *mime_content_transfer_encoding = NULL;
983 uschar *mime_content_type = NULL;
984 uschar *mime_decoded_filename = NULL;
985 uschar *mime_filename = NULL;
986 int mime_is_multipart = 0;
987 int mime_is_coverletter = 0;
988 int mime_is_rfc822 = 0;
989 int mime_part_count = -1;
990 #endif
991
992 BOOL mua_wrapper = FALSE;
993
994 uid_t *never_users = NULL;
995 #ifdef WITH_CONTENT_SCAN
996 BOOL no_mbox_unspool = FALSE;
997 #endif
998 BOOL no_multiline_responses = FALSE;
999
1000 const int on = 1; /* for setsockopt */
1001 const int off = 0;
1002
1003 uid_t original_euid;
1004 gid_t originator_gid;
1005 uschar *originator_login = NULL;
1006 uschar *originator_name = NULL;
1007 uid_t originator_uid;
1008 uschar *override_local_interfaces = NULL;
1009 uschar *override_pid_file_path = NULL;
1010
1011 BOOL parse_allow_group = FALSE;
1012 BOOL parse_found_group = FALSE;
1013 uschar *percent_hack_domains = NULL;
1014 uschar *pid_file_path = US PID_FILE_PATH
1015 "\0<--------------Space to patch pid_file_path->";
1016 BOOL pipelining_enable = TRUE;
1017 uschar *pipelining_advertise_hosts = US"*";
1018 BOOL preserve_message_logs = FALSE;
1019 uschar *primary_hostname = NULL;
1020 BOOL print_topbitchars = FALSE;
1021 uschar process_info[PROCESS_INFO_SIZE];
1022 int process_info_len = 0;
1023 uschar *process_log_path = NULL;
1024 BOOL prod_requires_admin = TRUE;
1025
1026 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1027 uschar *hosts_proxy = US"";
1028 uschar *proxy_external_address = US"";
1029 int proxy_external_port = 0;
1030 uschar *proxy_local_address = US"";
1031 int proxy_local_port = 0;
1032 BOOL proxy_session = FALSE;
1033 BOOL proxy_session_failed = FALSE;
1034 #endif
1035
1036 uschar *prvscheck_address = NULL;
1037 uschar *prvscheck_keynum = NULL;
1038 uschar *prvscheck_result = NULL;
1039
1040
1041 const uschar *qualify_domain_recipient = NULL;
1042 uschar *qualify_domain_sender = NULL;
1043 BOOL queue_2stage = FALSE;
1044 uschar *queue_domains = NULL;
1045 int queue_interval = -1;
1046 BOOL queue_list_requires_admin = TRUE;
1047 uschar *queue_name = US"";
1048 BOOL queue_only = FALSE;
1049 uschar *queue_only_file = NULL;
1050 int queue_only_load = -1;
1051 BOOL queue_only_load_latch = TRUE;
1052 BOOL queue_only_override = TRUE;
1053 BOOL queue_only_policy = FALSE;
1054 BOOL queue_run_first_delivery = FALSE;
1055 BOOL queue_run_force = FALSE;
1056 BOOL queue_run_in_order = FALSE;
1057 BOOL queue_run_local = FALSE;
1058 uschar *queue_run_max = US"5";
1059 pid_t queue_run_pid = (pid_t)0;
1060 int queue_run_pipe = -1;
1061 BOOL queue_running = FALSE;
1062 BOOL queue_smtp = FALSE;
1063 uschar *queue_smtp_domains = NULL;
1064
1065 unsigned int random_seed = 0;
1066 tree_node *ratelimiters_cmd = NULL;
1067 tree_node *ratelimiters_conn = NULL;
1068 tree_node *ratelimiters_mail = NULL;
1069 uschar *raw_active_hostname = NULL;
1070 uschar *raw_sender = NULL;
1071 uschar **raw_recipients = NULL;
1072 int raw_recipients_count = 0;
1073
1074 int rcpt_count = 0;
1075 int rcpt_fail_count = 0;
1076 int rcpt_defer_count = 0;
1077 gid_t real_gid;
1078 uid_t real_uid;
1079 BOOL really_exim = TRUE;
1080 BOOL receive_call_bombout = FALSE;
1081 int receive_linecount = 0;
1082 int receive_messagecount = 0;
1083 int receive_timeout = 0;
1084 int received_count = 0;
1085 uschar *received_for = NULL;
1086
1087 /* This is the default text for Received headers generated by Exim. The
1088 date will be automatically added on the end. */
1089
1090 uschar *received_header_text = US
1091 "Received: "
1092 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1093 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1094 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1095 "by $primary_hostname "
1096 "${if def:received_protocol {with $received_protocol}} "
1097 #ifdef SUPPORT_TLS
1098 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1099 #endif
1100 "(Exim $version_number)\n\t"
1101 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1102 "id $message_exim_id"
1103 "${if def:received_for {\n\tfor $received_for}}"
1104 "\0<---------------Space to patch received_header_text->";
1105
1106 int received_headers_max = 30;
1107 uschar *received_protocol = NULL;
1108 int received_time = 0;
1109 uschar *recipient_data = NULL;
1110 uschar *recipient_unqualified_hosts = NULL;
1111 uschar *recipient_verify_failure = NULL;
1112 int recipients_count = 0;
1113 BOOL recipients_discarded = FALSE;
1114 recipient_item *recipients_list = NULL;
1115 int recipients_list_max = 0;
1116 int recipients_max = 0;
1117 BOOL recipients_max_reject = FALSE;
1118 const pcre *regex_AUTH = NULL;
1119 const pcre *regex_check_dns_names = NULL;
1120 const pcre *regex_From = NULL;
1121 const pcre *regex_IGNOREQUOTA = NULL;
1122 const pcre *regex_PIPELINING = NULL;
1123 const pcre *regex_SIZE = NULL;
1124 const pcre *regex_ismsgid = NULL;
1125 const pcre *regex_smtp_code = NULL;
1126 uschar *regex_vars[REGEX_VARS];
1127 #ifdef WHITELIST_D_MACROS
1128 const pcre *regex_whitelisted_macro = NULL;
1129 #endif
1130 #ifdef WITH_CONTENT_SCAN
1131 uschar *regex_match_string = NULL;
1132 #endif
1133 int remote_delivery_count = 0;
1134 int remote_max_parallel = 2;
1135 uschar *remote_sort_domains = NULL;
1136 int retry_data_expire = 7*24*60*60;
1137 int retry_interval_max = 24*60*60;
1138 int retry_maximum_timeout = 0; /* set from retry config */
1139 retry_config *retries = NULL;
1140 uschar *return_path = NULL;
1141 BOOL return_path_remove = TRUE;
1142 int rewrite_existflags = 0;
1143 uschar *rfc1413_hosts = US"@[]";
1144 int rfc1413_query_timeout = 0;
1145 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1146 uid_t root_gid = ROOT_GID;
1147 uid_t root_uid = ROOT_UID;
1148
1149 router_instance *routers = NULL;
1150 router_instance router_defaults = {
1151 NULL, /* chain pointer */
1152 NULL, /* name */
1153 NULL, /* info */
1154 NULL, /* private options block pointer */
1155 NULL, /* driver name */
1156
1157 NULL, /* address_data */
1158 #ifdef EXPERIMENTAL_BRIGHTMAIL
1159 NULL, /* bmi_rule */
1160 #endif
1161 NULL, /* cannot_route_message */
1162 NULL, /* condition */
1163 NULL, /* current_directory */
1164 NULL, /* debug_string */
1165 NULL, /* domains */
1166 NULL, /* errors_to */
1167 NULL, /* expand_gid */
1168 NULL, /* expand_uid */
1169 NULL, /* expand_more */
1170 NULL, /* expand_unseen */
1171 NULL, /* extra_headers */
1172 NULL, /* fallback_hosts */
1173 NULL, /* home_directory */
1174 NULL, /* ignore_target_hosts */
1175 NULL, /* local_parts */
1176 NULL, /* pass_router_name */
1177 NULL, /* prefix */
1178 NULL, /* redirect_router_name */
1179 NULL, /* remove_headers */
1180 NULL, /* require_files */
1181 NULL, /* router_home_directory */
1182 US"freeze", /* self */
1183 NULL, /* senders */
1184 NULL, /* suffix */
1185 NULL, /* translate_ip_address */
1186 NULL, /* transport_name */
1187
1188 TRUE, /* address_test */
1189 #ifdef EXPERIMENTAL_BRIGHTMAIL
1190 FALSE, /* bmi_deliver_alternate */
1191 FALSE, /* bmi_deliver_default */
1192 FALSE, /* bmi_dont_deliver */
1193 #endif
1194 TRUE, /* expn */
1195 FALSE, /* caseful_local_part */
1196 FALSE, /* check_local_user */
1197 FALSE, /* disable_logging */
1198 FALSE, /* fail_verify_recipient */
1199 FALSE, /* fail_verify_sender */
1200 FALSE, /* gid_set */
1201 FALSE, /* initgroups */
1202 TRUE_UNSET, /* log_as_local */
1203 TRUE, /* more */
1204 FALSE, /* pass_on_timeout */
1205 FALSE, /* prefix_optional */
1206 TRUE, /* repeat_use */
1207 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1208 FALSE, /* same_domain_copy_routing */
1209 FALSE, /* self_rewrite */
1210 FALSE, /* suffix_optional */
1211 FALSE, /* verify_only */
1212 TRUE, /* verify_recipient */
1213 TRUE, /* verify_sender */
1214 FALSE, /* uid_set */
1215 FALSE, /* unseen */
1216 FALSE, /* dsn_lasthop */
1217
1218 self_freeze, /* self_code */
1219 (uid_t)(-1), /* uid */
1220 (gid_t)(-1), /* gid */
1221
1222 NULL, /* fallback_hostlist */
1223 NULL, /* transport instance */
1224 NULL, /* pass_router */
1225 NULL, /* redirect_router */
1226
1227 { NULL, NULL }, /* dnssec_domains {require,request} */
1228 };
1229
1230 uschar *router_name = NULL;
1231
1232 ip_address_item *running_interfaces = NULL;
1233 BOOL running_in_test_harness = FALSE;
1234
1235 /* This is a weird one. The following string gets patched in the binary by the
1236 script that sets up a copy of Exim for running in the test harness. It seems
1237 that compilers are now clever, and share constant strings if they can.
1238 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1239 make use of the end of this string in order to save space. So the patching then
1240 wrecks this. We defeat this optimization by adding some additional characters
1241 onto the end of the string. */
1242
1243 uschar *running_status = US">>>running<<<" "\0EXTRA";
1244
1245 int runrc = 0;
1246
1247 uschar *search_error_message = NULL;
1248 BOOL search_find_defer = FALSE;
1249 uschar *self_hostname = NULL;
1250 uschar *sender_address = NULL;
1251 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1252 uschar *sender_address_data = NULL;
1253 BOOL sender_address_forced = FALSE;
1254 uschar *sender_address_unrewritten = NULL;
1255 uschar *sender_data = NULL;
1256 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1257 uschar *sender_fullhost = NULL;
1258 BOOL sender_helo_dnssec = FALSE;
1259 uschar *sender_helo_name = NULL;
1260 uschar **sender_host_aliases = &no_aliases;
1261 uschar *sender_host_address = NULL;
1262 uschar *sender_host_authenticated = NULL;
1263 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1264 BOOL sender_host_dnssec = FALSE;
1265 uschar *sender_host_name = NULL;
1266 int sender_host_port = 0;
1267 BOOL sender_host_notsocket = FALSE;
1268 BOOL sender_host_unknown = FALSE;
1269 uschar *sender_ident = NULL;
1270 BOOL sender_local = FALSE;
1271 BOOL sender_name_forced = FALSE;
1272 uschar *sender_rate = NULL;
1273 uschar *sender_rate_limit = NULL;
1274 uschar *sender_rate_period = NULL;
1275 uschar *sender_rcvhost = NULL;
1276 BOOL sender_set_untrusted = FALSE;
1277 uschar *sender_unqualified_hosts = NULL;
1278 uschar *sender_verify_failure = NULL;
1279 address_item *sender_verified_list = NULL;
1280 address_item *sender_verified_failed = NULL;
1281 int sender_verified_rc = -1;
1282 BOOL sender_verified_responded = FALSE;
1283 uschar *sending_ip_address = NULL;
1284 int sending_port = -1;
1285 SIGNAL_BOOL sigalrm_seen = FALSE;
1286 uschar **sighup_argv = NULL;
1287 int slow_lookup_log = 0; /* millisecs, zero disables */
1288 int smtp_accept_count = 0;
1289 BOOL smtp_accept_keepalive = TRUE;
1290 int smtp_accept_max = 20;
1291 int smtp_accept_max_nonmail= 10;
1292 uschar *smtp_accept_max_nonmail_hosts = US"*";
1293 int smtp_accept_max_per_connection = 1000;
1294 uschar *smtp_accept_max_per_host = NULL;
1295 int smtp_accept_queue = 0;
1296 int smtp_accept_queue_per_connection = 10;
1297 int smtp_accept_reserve = 0;
1298 uschar *smtp_active_hostname = NULL;
1299 BOOL smtp_authenticated = FALSE;
1300 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1301 "Exim $version_number $tod_full"
1302 "\0<---------------Space to patch smtp_banner->";
1303 BOOL smtp_batched_input = FALSE;
1304 BOOL smtp_check_spool_space = TRUE;
1305 int smtp_ch_index = 0;
1306 uschar *smtp_cmd_argument = NULL;
1307 uschar *smtp_cmd_buffer = NULL;
1308 time_t smtp_connection_start = 0;
1309 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1310 int smtp_connect_backlog = 20;
1311 double smtp_delay_mail = 0.0;
1312 double smtp_delay_rcpt = 0.0;
1313 BOOL smtp_enforce_sync = TRUE;
1314 FILE *smtp_in = NULL;
1315 BOOL smtp_input = FALSE;
1316 int smtp_load_reserve = -1;
1317 int smtp_mailcmd_count = 0;
1318 FILE *smtp_out = NULL;
1319 uschar *smtp_etrn_command = NULL;
1320 BOOL smtp_etrn_serialize = TRUE;
1321 int smtp_max_synprot_errors= 3;
1322 int smtp_max_unknown_commands = 3;
1323 uschar *smtp_notquit_reason = NULL;
1324 uschar *smtp_ratelimit_hosts = NULL;
1325 uschar *smtp_ratelimit_mail = NULL;
1326 uschar *smtp_ratelimit_rcpt = NULL;
1327 uschar *smtp_read_error = US"";
1328 int smtp_receive_timeout = 5*60;
1329 uschar *smtp_receive_timeout_s = NULL;
1330 uschar *smtp_reserve_hosts = NULL;
1331 BOOL smtp_return_error_details = FALSE;
1332 int smtp_rlm_base = 0;
1333 double smtp_rlm_factor = 0.0;
1334 int smtp_rlm_limit = 0;
1335 int smtp_rlm_threshold = INT_MAX;
1336 int smtp_rlr_base = 0;
1337 double smtp_rlr_factor = 0.0;
1338 int smtp_rlr_limit = 0;
1339 int smtp_rlr_threshold = INT_MAX;
1340 unsigned smtp_peer_options = 0;
1341 unsigned smtp_peer_options_wrap= 0;
1342 #ifdef SUPPORT_I18N
1343 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1344 #endif
1345
1346 #ifdef WITH_CONTENT_SCAN
1347 uschar *spamd_address = US"127.0.0.1 783";
1348 uschar *spam_bar = NULL;
1349 uschar *spam_report = NULL;
1350 uschar *spam_action = NULL;
1351 uschar *spam_score = NULL;
1352 uschar *spam_score_int = NULL;
1353 #endif
1354 #ifdef EXPERIMENTAL_SPF
1355 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1356 uschar *spf_header_comment = NULL;
1357 uschar *spf_received = NULL;
1358 uschar *spf_result = NULL;
1359 uschar *spf_smtp_comment = NULL;
1360 #endif
1361
1362 BOOL split_spool_directory = FALSE;
1363 uschar *spool_directory = US SPOOL_DIRECTORY
1364 "\0<--------------Space to patch spool_directory->";
1365 #ifdef EXPERIMENTAL_SRS
1366 uschar *srs_config = NULL;
1367 uschar *srs_db_address = NULL;
1368 uschar *srs_db_key = NULL;
1369 int srs_hashlength = 6;
1370 int srs_hashmin = -1;
1371 int srs_maxage = 31;
1372 uschar *srs_orig_recipient = NULL;
1373 uschar *srs_orig_sender = NULL;
1374 uschar *srs_recipient = NULL;
1375 uschar *srs_secrets = NULL;
1376 uschar *srs_status = NULL;
1377 BOOL srs_usehash = TRUE;
1378 BOOL srs_usetimestamp = TRUE;
1379 #endif
1380 BOOL strict_acl_vars = FALSE;
1381 int string_datestamp_offset= -1;
1382 int string_datestamp_length= 0;
1383 int string_datestamp_type = -1;
1384 BOOL strip_excess_angle_brackets = FALSE;
1385 BOOL strip_trailing_dot = FALSE;
1386 uschar *submission_domain = NULL;
1387 BOOL submission_mode = FALSE;
1388 uschar *submission_name = NULL;
1389 BOOL suppress_local_fixups = FALSE;
1390 BOOL suppress_local_fixups_default = FALSE;
1391 BOOL synchronous_delivery = FALSE;
1392 BOOL syslog_duplication = TRUE;
1393 int syslog_facility = LOG_MAIL;
1394 BOOL syslog_pid = TRUE;
1395 uschar *syslog_processname = US"exim";
1396 BOOL syslog_timestamp = TRUE;
1397 uschar *system_filter = NULL;
1398
1399 uschar *system_filter_directory_transport = NULL;
1400 uschar *system_filter_file_transport = NULL;
1401 uschar *system_filter_pipe_transport = NULL;
1402 uschar *system_filter_reply_transport = NULL;
1403
1404 gid_t system_filter_gid = 0;
1405 BOOL system_filter_gid_set = FALSE;
1406 uid_t system_filter_uid = (uid_t)-1;
1407 BOOL system_filter_uid_set = FALSE;
1408 BOOL system_filtering = FALSE;
1409
1410 BOOL tcp_fastopen_ok = FALSE;
1411 BOOL tcp_nodelay = TRUE;
1412 #ifdef USE_TCP_WRAPPERS
1413 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1414 #endif
1415 int test_harness_load_avg = 0;
1416 int thismessage_size_limit = 0;
1417 int timeout_frozen_after = 0;
1418 BOOL timestamps_utc = FALSE;
1419
1420 transport_instance *transports = NULL;
1421
1422 transport_instance transport_defaults = {
1423 NULL, /* chain pointer */
1424 NULL, /* name */
1425 NULL, /* info */
1426 NULL, /* private options block pointer */
1427 NULL, /* driver name */
1428 NULL, /* setup entry point */
1429 1, /* batch_max */
1430 NULL, /* batch_id */
1431 NULL, /* home_dir */
1432 NULL, /* current_dir */
1433 NULL, /* expand-multi-domain */
1434 TRUE, /* multi-domain */
1435 FALSE, /* overrides_hosts */
1436 100, /* max_addresses */
1437 500, /* connection_max_messages */
1438 FALSE, /* deliver_as_creator */
1439 FALSE, /* disable_logging */
1440 FALSE, /* initgroups */
1441 FALSE, /* uid_set */
1442 FALSE, /* gid_set */
1443 (uid_t)(-1), /* uid */
1444 (gid_t)(-1), /* gid */
1445 NULL, /* expand_uid */
1446 NULL, /* expand_gid */
1447 NULL, /* warn_message */
1448 NULL, /* shadow */
1449 NULL, /* shadow_condition */
1450 NULL, /* filter_command */
1451 NULL, /* add_headers */
1452 NULL, /* remove_headers */
1453 NULL, /* return_path */
1454 NULL, /* debug_string */
1455 NULL, /* max_parallel */
1456 NULL, /* message_size_limit */
1457 NULL, /* headers_rewrite */
1458 NULL, /* rewrite_rules */
1459 0, /* rewrite_existflags */
1460 300, /* filter_timeout */
1461 FALSE, /* body_only */
1462 FALSE, /* delivery_date_add */
1463 FALSE, /* envelope_to_add */
1464 FALSE, /* headers_only */
1465 FALSE, /* rcpt_include_affixes */
1466 FALSE, /* return_path_add */
1467 FALSE, /* return_output */
1468 FALSE, /* return_fail_output */
1469 FALSE, /* log_output */
1470 FALSE, /* log_fail_output */
1471 FALSE, /* log_defer_output */
1472 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1473 1 nor 0 so can detect unset */
1474 #ifndef DISABLE_EVENT
1475 ,NULL /* event_action */
1476 #endif
1477 };
1478
1479 int transport_count;
1480 uschar *transport_name = NULL;
1481 int transport_newlines;
1482 const uschar **transport_filter_argv = NULL;
1483 int transport_filter_timeout;
1484 BOOL transport_filter_timed_out = FALSE;
1485 int transport_write_timeout= 0;
1486
1487 tree_node *tree_dns_fails = NULL;
1488 tree_node *tree_duplicates = NULL;
1489 tree_node *tree_nonrecipients = NULL;
1490 tree_node *tree_unusable = NULL;
1491
1492 BOOL trusted_caller = FALSE;
1493 BOOL trusted_config = TRUE;
1494 gid_t *trusted_groups = NULL;
1495 uid_t *trusted_users = NULL;
1496 uschar *timezone_string = US TIMEZONE_DEFAULT;
1497
1498 uschar *unknown_login = NULL;
1499 uschar *unknown_username = NULL;
1500 uschar *untrusted_set_sender = NULL;
1501
1502 /* A regex for matching a "From_" line in an incoming message, in the form
1503
1504 From ph10 Fri Jan 5 12:35 GMT 1996
1505
1506 which the "mail" commands send to the MTA (undocumented, of course), or in
1507 the form
1508
1509 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1510
1511 which is apparently used by some UUCPs, despite it not being in RFC 976.
1512 Because of variations in time formats, just match up to the minutes. That
1513 should be sufficient. Examples have been seen of time fields like 12:1:03,
1514 so just require one digit for hours and minutes. The weekday is also absent
1515 in some forms. */
1516
1517 uschar *uucp_from_pattern = US
1518 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1519 "(?:" /* Non-extracting bracket */
1520 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1521 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1522 ")" /* End alternation */
1523 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1524
1525 uschar *uucp_from_sender = US"$1";
1526
1527 uschar *verify_mode = NULL;
1528 uschar *version_copyright =
1529 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1530 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1531 uschar *version_date = US"?";
1532 uschar *version_cnumber = US"????";
1533 uschar *version_string = US"?";
1534
1535 uschar *warn_message_file = NULL;
1536 int warning_count = 0;
1537 uschar *warnmsg_delay = NULL;
1538 uschar *warnmsg_recipients = NULL;
1539 BOOL write_rejectlog = TRUE;
1540
1541
1542 /* End of globals.c */
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