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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 - 2016 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36 };
37
38 int optionlist_auths_size = 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"prime256v1";
157 # ifndef DISABLE_OCSP
158 uschar *tls_ocsp_file = NULL;
159 # endif
160 uschar *tls_privatekey = NULL;
161 BOOL tls_remember_esmtp = FALSE;
162 uschar *tls_require_ciphers = NULL;
163 uschar *tls_try_verify_hosts = NULL;
164 uschar *tls_verify_certificates= US"system";
165 uschar *tls_verify_hosts = NULL;
166 #else /*!SUPPORT_TLS*/
167 uschar *tls_advertise_hosts = NULL;
168 #endif
169
170 #ifndef DISABLE_PRDR
171 /* Per Recipient Data Response variables */
172 BOOL prdr_enable = FALSE;
173 BOOL prdr_requested = FALSE;
174 const pcre *regex_PRDR = NULL;
175 #endif
176
177 #ifdef SUPPORT_I18N
178 const pcre *regex_UTF8 = NULL;
179 #endif
180
181 /* Input-reading functions for messages, so we can use special ones for
182 incoming TCP/IP. The defaults use stdin. We never need these for any
183 stand-alone tests. */
184
185 #ifndef STAND_ALONE
186 int (*lwr_receive_getc)(void) = stdin_getc;
187 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
188 int (*receive_getc)(void) = stdin_getc;
189 void (*receive_get_cache)(void)= NULL;
190 int (*receive_ungetc)(int) = stdin_ungetc;
191 int (*receive_feof)(void) = stdin_feof;
192 int (*receive_ferror)(void) = stdin_ferror;
193 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
194 #endif
195
196
197 /* List of per-address expansion variables for clearing and saving/restoring
198 when verifying one address while routing/verifying another. We have to have
199 the size explicit, because it is referenced from more than one module. */
200
201 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
202 CUSS &deliver_address_data,
203 CUSS &deliver_domain,
204 CUSS &deliver_domain_data,
205 CUSS &deliver_domain_orig,
206 CUSS &deliver_domain_parent,
207 CUSS &deliver_localpart,
208 CUSS &deliver_localpart_data,
209 CUSS &deliver_localpart_orig,
210 CUSS &deliver_localpart_parent,
211 CUSS &deliver_localpart_prefix,
212 CUSS &deliver_localpart_suffix,
213 CUSS (uschar **)(&deliver_recipients),
214 CUSS &deliver_host,
215 CUSS &deliver_home,
216 CUSS &address_file,
217 CUSS &address_pipe,
218 CUSS &self_hostname,
219 NULL };
220
221 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
222
223 /* General global variables */
224
225 header_line *acl_added_headers = NULL;
226 tree_node *acl_anchor = NULL;
227 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
228 NULL, NULL, NULL, NULL};
229 int acl_narg = 0;
230
231 uschar *acl_not_smtp = NULL;
232 #ifdef WITH_CONTENT_SCAN
233 uschar *acl_not_smtp_mime = NULL;
234 #endif
235 uschar *acl_not_smtp_start = NULL;
236 uschar *acl_removed_headers = NULL;
237 uschar *acl_smtp_auth = NULL;
238 uschar *acl_smtp_connect = NULL;
239 uschar *acl_smtp_data = NULL;
240 #ifndef DISABLE_PRDR
241 uschar *acl_smtp_data_prdr = US"accept";
242 #endif
243 #ifndef DISABLE_DKIM
244 uschar *acl_smtp_dkim = NULL;
245 #endif
246 uschar *acl_smtp_etrn = NULL;
247 uschar *acl_smtp_expn = NULL;
248 uschar *acl_smtp_helo = NULL;
249 uschar *acl_smtp_mail = NULL;
250 uschar *acl_smtp_mailauth = NULL;
251 #ifdef WITH_CONTENT_SCAN
252 uschar *acl_smtp_mime = NULL;
253 #endif
254 uschar *acl_smtp_notquit = NULL;
255 uschar *acl_smtp_predata = NULL;
256 uschar *acl_smtp_quit = NULL;
257 uschar *acl_smtp_rcpt = NULL;
258 uschar *acl_smtp_starttls = NULL;
259 uschar *acl_smtp_vrfy = NULL;
260
261 BOOL acl_temp_details = FALSE;
262 tree_node *acl_var_c = NULL;
263 tree_node *acl_var_m = NULL;
264 uschar *acl_verify_message = NULL;
265 string_item *acl_warn_logged = NULL;
266
267 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
268 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
269
270 uschar *acl_wherenames[] = { US"RCPT",
271 US"MAIL",
272 US"PREDATA",
273 US"MIME",
274 US"DKIM",
275 US"DATA",
276 #ifndef DISABLE_PRDR
277 US"PRDR",
278 #endif
279 US"non-SMTP",
280 US"AUTH",
281 US"connection",
282 US"ETRN",
283 US"EXPN",
284 US"EHLO or HELO",
285 US"MAILAUTH",
286 US"non-SMTP-start",
287 US"NOTQUIT",
288 US"QUIT",
289 US"STARTTLS",
290 US"VRFY",
291 US"delivery",
292 US"unknown"
293 };
294
295 uschar *acl_wherecodes[] = { US"550", /* RCPT */
296 US"550", /* MAIL */
297 US"550", /* PREDATA */
298 US"550", /* MIME */
299 US"550", /* DKIM */
300 US"550", /* DATA */
301 #ifndef DISABLE_PRDR
302 US"550", /* RCPT PRDR */
303 #endif
304 US"0", /* not SMTP; not relevant */
305 US"503", /* AUTH */
306 US"550", /* connect */
307 US"458", /* ETRN */
308 US"550", /* EXPN */
309 US"550", /* HELO/EHLO */
310 US"0", /* MAILAUTH; not relevant */
311 US"0", /* not SMTP; not relevant */
312 US"0", /* NOTQUIT; not relevant */
313 US"0", /* QUIT; not relevant */
314 US"550", /* STARTTLS */
315 US"252", /* VRFY */
316 US"0", /* delivery; not relevant */
317 US"0" /* unknown; not relevant */
318 };
319
320 BOOL active_local_from_check = FALSE;
321 BOOL active_local_sender_retain = FALSE;
322 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
323 uschar *add_environment = NULL;
324 address_item *addr_duplicate = NULL;
325
326 address_item address_defaults = {
327 NULL, /* next */
328 NULL, /* parent */
329 NULL, /* first */
330 NULL, /* dupof */
331 NULL, /* start_router */
332 NULL, /* router */
333 NULL, /* transport */
334 NULL, /* host_list */
335 NULL, /* host_used */
336 NULL, /* fallback_hosts */
337 NULL, /* reply */
338 NULL, /* retries */
339 NULL, /* address */
340 NULL, /* unique */
341 NULL, /* cc_local_part */
342 NULL, /* lc_local_part */
343 NULL, /* local_part */
344 NULL, /* prefix */
345 NULL, /* suffix */
346 NULL, /* domain */
347 NULL, /* address_retry_key */
348 NULL, /* domain_retry_key */
349 NULL, /* current_dir */
350 NULL, /* home_dir */
351 NULL, /* message */
352 NULL, /* user_message */
353 NULL, /* onetime_parent */
354 NULL, /* pipe_expandn */
355 NULL, /* return_filename */
356 NULL, /* self_hostname */
357 NULL, /* shadow_message */
358 #ifdef SUPPORT_TLS
359 NULL, /* cipher */
360 NULL, /* ourcert */
361 NULL, /* peercert */
362 NULL, /* peerdn */
363 OCSP_NOT_REQ, /* ocsp */
364 #endif
365 #ifdef EXPERIMENTAL_DSN_INFO
366 NULL, /* smtp_greeting */
367 NULL, /* helo_response */
368 #endif
369 NULL, /* authenticator */
370 NULL, /* auth_id */
371 NULL, /* auth_sndr */
372 NULL, /* dsn_orcpt */
373 0, /* dsn_flags */
374 0, /* dsn_aware */
375 (uid_t)(-1), /* uid */
376 (gid_t)(-1), /* gid */
377 0, /* flags */
378 { 0 }, /* domain_cache - any larger array should be zeroed */
379 { 0 }, /* localpart_cache - ditto */
380 -1, /* mode */
381 0, /* more_errno */
382 ERRNO_UNKNOWNERROR, /* basic_errno */
383 0, /* child_count */
384 -1, /* return_file */
385 SPECIAL_NONE, /* special_action */
386 DEFER, /* transport_return */
387 { /* fields that are propagated to children */
388 NULL, /* address_data */
389 NULL, /* domain_data */
390 NULL, /* localpart_data */
391 NULL, /* errors_address */
392 NULL, /* extra_headers */
393 NULL, /* remove_headers */
394 #ifdef EXPERIMENTAL_SRS
395 NULL, /* srs_sender */
396 #endif
397 #ifdef SUPPORT_I18N
398 FALSE, /* utf8 */
399 #endif
400 }
401 };
402
403 uschar *address_file = NULL;
404 uschar *address_pipe = NULL;
405 BOOL address_test_mode = FALSE;
406 tree_node *addresslist_anchor = NULL;
407 int addresslist_count = 0;
408 gid_t *admin_groups = NULL;
409 BOOL admin_user = FALSE;
410 BOOL allow_auth_unadvertised= FALSE;
411 BOOL allow_domain_literals = FALSE;
412 BOOL allow_mx_to_ip = FALSE;
413 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
414 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
415 BOOL allow_utf8_domains = FALSE;
416 uschar *authenticated_fail_id = NULL;
417 uschar *authenticated_id = NULL;
418 uschar *authenticated_sender = NULL;
419 BOOL authentication_failed = FALSE;
420 auth_instance *auths = NULL;
421 uschar *auth_advertise_hosts = US"*";
422 auth_instance auth_defaults = {
423 NULL, /* chain pointer */
424 NULL, /* name */
425 NULL, /* info */
426 NULL, /* private options block pointer */
427 NULL, /* driver_name */
428 NULL, /* advertise_condition */
429 NULL, /* client_condition */
430 NULL, /* public_name */
431 NULL, /* set_id */
432 NULL, /* set_client_id */
433 NULL, /* server_mail_auth_condition */
434 NULL, /* server_debug_string */
435 NULL, /* server_condition */
436 FALSE, /* client */
437 FALSE, /* server */
438 FALSE /* advertised */
439 };
440
441 uschar *auth_defer_msg = US"reason not recorded";
442 uschar *auth_defer_user_msg = US"";
443 uschar *auth_vars[AUTH_VARS];
444 int auto_thaw = 0;
445 #ifdef WITH_CONTENT_SCAN
446 BOOL av_failed = FALSE;
447 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
448 #endif
449
450 BOOL background_daemon = TRUE;
451
452 #if BASE_62 == 62
453 uschar *base62_chars=
454 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
455 #else
456 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
457 #endif
458
459 uschar *bi_command = NULL;
460 uschar *big_buffer = NULL;
461 int big_buffer_size = BIG_BUFFER_SIZE;
462 #ifdef EXPERIMENTAL_BRIGHTMAIL
463 uschar *bmi_alt_location = NULL;
464 uschar *bmi_base64_tracker_verdict = NULL;
465 uschar *bmi_base64_verdict = NULL;
466 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
467 int bmi_deliver = 1;
468 int bmi_run = 0;
469 uschar *bmi_verdicts = NULL;
470 #endif
471 int body_8bitmime = 0;
472 int body_linecount = 0;
473 int body_zerocount = 0;
474 uschar *bounce_message_file = NULL;
475 uschar *bounce_message_text = NULL;
476 uschar *bounce_recipient = NULL;
477 BOOL bounce_return_body = TRUE;
478 int bounce_return_linesize_limit = 998;
479 BOOL bounce_return_message = TRUE;
480 int bounce_return_size_limit = 100*1024;
481 uschar *bounce_sender_authentication = NULL;
482 int bsmtp_transaction_linecount = 0;
483
484 uschar *callout_address = NULL;
485 int callout_cache_domain_positive_expire = 7*24*60*60;
486 int callout_cache_domain_negative_expire = 3*60*60;
487 int callout_cache_positive_expire = 24*60*60;
488 int callout_cache_negative_expire = 2*60*60;
489 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
490 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
491 int check_log_inodes = 100;
492 int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
493 BOOL check_rfc2047_length = TRUE;
494 int check_spool_inodes = 100;
495 int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
496
497 uschar *chunking_advertise_hosts = US"*";
498 unsigned chunking_datasize = 0;
499 unsigned chunking_data_left = 0;
500 BOOL chunking_offered = FALSE;
501 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
502 const pcre *regex_CHUNKING = NULL;
503
504 uschar *client_authenticator = NULL;
505 uschar *client_authenticated_id = NULL;
506 uschar *client_authenticated_sender = NULL;
507 int clmacro_count = 0;
508 uschar *clmacros[MAX_CLMACROS];
509 BOOL config_changed = FALSE;
510 FILE *config_file = NULL;
511 uschar *config_filename = NULL;
512 int config_lineno = 0;
513 #ifdef CONFIGURE_GROUP
514 gid_t config_gid = CONFIGURE_GROUP;
515 #endif
516 uschar *config_main_filelist = US CONFIGURE_FILE
517 "\0<-----------Space to patch configure_filename->";
518 uschar *config_main_filename = NULL;
519 uschar *config_main_directory = NULL;
520
521 #ifdef CONFIGURE_OWNER
522 uid_t config_uid = CONFIGURE_OWNER;
523 #endif
524
525 int connection_max_messages= -1;
526 uschar *continue_hostname = NULL;
527 uschar *continue_host_address = NULL;
528 BOOL continue_more = FALSE;
529 int continue_sequence = 1;
530 uschar *continue_transport = NULL;
531
532 uschar *csa_status = NULL;
533 cut_t cutthrough = {
534 FALSE, /* delivery: when to attempt */
535 FALSE, /* on defer: spool locally */
536 -1, /* fd: open connection */
537 0, /* nrcpt: number of addresses */
538 };
539
540 BOOL daemon_listen = FALSE;
541 uschar *daemon_smtp_port = US"smtp";
542 int daemon_startup_retries = 9;
543 int daemon_startup_sleep = 30;
544
545 #ifdef EXPERIMENTAL_DCC
546 BOOL dcc_direct_add_header = FALSE;
547 uschar *dcc_header = NULL;
548 uschar *dcc_result = NULL;
549 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
550 uschar *dccifd_options = US"header";
551 #endif
552
553 BOOL debug_daemon = FALSE;
554 int debug_fd = -1;
555 FILE *debug_file = NULL;
556 int debug_notall[] = {
557 Di_memory,
558 -1
559 };
560 bit_table debug_options[] = { /* must be in alphabetical order */
561 BIT_TABLE(D, acl),
562 BIT_TABLE(D, all),
563 BIT_TABLE(D, auth),
564 BIT_TABLE(D, deliver),
565 BIT_TABLE(D, dns),
566 BIT_TABLE(D, dnsbl),
567 BIT_TABLE(D, exec),
568 BIT_TABLE(D, expand),
569 BIT_TABLE(D, filter),
570 BIT_TABLE(D, hints_lookup),
571 BIT_TABLE(D, host_lookup),
572 BIT_TABLE(D, ident),
573 BIT_TABLE(D, interface),
574 BIT_TABLE(D, lists),
575 BIT_TABLE(D, load),
576 BIT_TABLE(D, local_scan),
577 BIT_TABLE(D, lookup),
578 BIT_TABLE(D, memory),
579 BIT_TABLE(D, pid),
580 BIT_TABLE(D, process_info),
581 BIT_TABLE(D, queue_run),
582 BIT_TABLE(D, receive),
583 BIT_TABLE(D, resolver),
584 BIT_TABLE(D, retry),
585 BIT_TABLE(D, rewrite),
586 BIT_TABLE(D, route),
587 BIT_TABLE(D, timestamp),
588 BIT_TABLE(D, tls),
589 BIT_TABLE(D, transport),
590 BIT_TABLE(D, uid),
591 BIT_TABLE(D, verify),
592 };
593 int debug_options_count = nelem(debug_options);
594
595 unsigned int debug_selector = 0;
596 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
597 uschar *delay_warning_condition=
598 US"${if or {"
599 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
600 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
601 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
602 "} {no}{yes}}";
603 BOOL delivery_date_remove = TRUE;
604 uschar *deliver_address_data = NULL;
605 int deliver_datafile = -1;
606 const uschar *deliver_domain = NULL;
607 uschar *deliver_domain_data = NULL;
608 const uschar *deliver_domain_orig = NULL;
609 const uschar *deliver_domain_parent = NULL;
610 BOOL deliver_drop_privilege = FALSE;
611 BOOL deliver_firsttime = FALSE;
612 BOOL deliver_force = FALSE;
613 BOOL deliver_freeze = FALSE;
614 time_t deliver_frozen_at = 0;
615 uschar *deliver_home = NULL;
616 const uschar *deliver_host = NULL;
617 const uschar *deliver_host_address = NULL;
618 int deliver_host_port = 0;
619 uschar *deliver_in_buffer = NULL;
620 ino_t deliver_inode = 0;
621 uschar *deliver_localpart = NULL;
622 uschar *deliver_localpart_data = NULL;
623 uschar *deliver_localpart_orig = NULL;
624 uschar *deliver_localpart_parent = NULL;
625 uschar *deliver_localpart_prefix = NULL;
626 uschar *deliver_localpart_suffix = NULL;
627 BOOL deliver_force_thaw = FALSE;
628 BOOL deliver_manual_thaw = FALSE;
629 uschar *deliver_out_buffer = NULL;
630 int deliver_queue_load_max = -1;
631 address_item *deliver_recipients = NULL;
632 uschar *deliver_selectstring = NULL;
633 BOOL deliver_selectstring_regex = FALSE;
634 uschar *deliver_selectstring_sender = NULL;
635 BOOL deliver_selectstring_sender_regex = FALSE;
636 BOOL disable_callout_flush = FALSE;
637 BOOL disable_delay_flush = FALSE;
638 #ifdef ENABLE_DISABLE_FSYNC
639 BOOL disable_fsync = FALSE;
640 #endif
641 BOOL disable_ipv6 = FALSE;
642 BOOL disable_logging = FALSE;
643
644 #ifndef DISABLE_DKIM
645 BOOL dkim_collect_input = FALSE;
646 uschar *dkim_cur_signer = NULL;
647 BOOL dkim_disable_verify = FALSE;
648 int dkim_key_length = 0;
649 uschar *dkim_signers = NULL;
650 uschar *dkim_signing_domain = NULL;
651 uschar *dkim_signing_selector = NULL;
652 uschar *dkim_verify_signers = US"$dkim_signers";
653 #endif
654 #ifdef EXPERIMENTAL_DMARC
655 BOOL dmarc_has_been_checked = FALSE;
656 uschar *dmarc_ar_header = NULL;
657 uschar *dmarc_domain_policy = NULL;
658 uschar *dmarc_forensic_sender = NULL;
659 uschar *dmarc_history_file = NULL;
660 uschar *dmarc_status = NULL;
661 uschar *dmarc_status_text = NULL;
662 uschar *dmarc_tld_file = NULL;
663 uschar *dmarc_used_domain = NULL;
664 BOOL dmarc_disable_verify = FALSE;
665 BOOL dmarc_enable_forensic = FALSE;
666 #endif
667
668 uschar *dns_again_means_nonexist = NULL;
669 int dns_csa_search_limit = 5;
670 BOOL dns_csa_use_reverse = TRUE;
671 #ifdef EXPERIMENTAL_DANE
672 int dns_dane_ok = -1;
673 #endif
674 uschar *dns_ipv4_lookup = NULL;
675 int dns_retrans = 0;
676 int dns_retry = 0;
677 int dns_dnssec_ok = -1; /* <0 = not coerced */
678 uschar *dns_trust_aa = NULL;
679 int dns_use_edns0 = -1; /* <0 = not coerced */
680 uschar *dnslist_domain = NULL;
681 uschar *dnslist_matched = NULL;
682 uschar *dnslist_text = NULL;
683 uschar *dnslist_value = NULL;
684 tree_node *domainlist_anchor = NULL;
685 int domainlist_count = 0;
686 BOOL dont_deliver = FALSE;
687 BOOL dot_ends = TRUE;
688 BOOL drop_cr = FALSE; /* No longer used */
689 uschar *dsn_from = US DEFAULT_DSN_FROM;
690
691 BOOL enable_dollar_recipients = FALSE;
692 BOOL envelope_to_remove = TRUE;
693 int errno_quota = ERRNO_QUOTA;
694 uschar *errors_copy = NULL;
695 int error_handling = ERRORS_SENDER;
696 uschar *errors_reply_to = NULL;
697 int errors_sender_rc = EXIT_FAILURE;
698 #ifndef DISABLE_EVENT
699 uschar *event_action = NULL; /* expansion for delivery events */
700 uschar *event_data = NULL; /* auxilary data variable for event */
701 int event_defer_errno = 0;
702 const uschar *event_name = NULL; /* event name variable */
703 #endif
704
705
706 gid_t exim_gid = EXIM_GID;
707 BOOL exim_gid_set = TRUE; /* This gid is always set */
708 uschar *exim_path = US BIN_DIRECTORY "/exim"
709 "\0<---------------Space to patch exim_path->";
710 uid_t exim_uid = EXIM_UID;
711 BOOL exim_uid_set = TRUE; /* This uid is always set */
712 int expand_forbid = 0;
713 int expand_nlength[EXPAND_MAXN+1];
714 int expand_nmax = -1;
715 uschar *expand_nstring[EXPAND_MAXN+1];
716 BOOL expand_string_forcedfail = FALSE;
717 uschar *expand_string_message;
718 BOOL extract_addresses_remove_arguments = TRUE;
719 uschar *extra_local_interfaces = NULL;
720
721 int fake_response = OK;
722 uschar *fake_response_text = US"Your message has been rejected but is "
723 "being kept for evaluation.\nIf it was a "
724 "legitimate message, it may still be "
725 "delivered to the target recipient(s).";
726 int filter_n[FILTER_VARIABLE_COUNT];
727 BOOL filter_running = FALSE;
728 int filter_sn[FILTER_VARIABLE_COUNT];
729 int filter_test = FTEST_NONE;
730 uschar *filter_test_sfile = NULL;
731 uschar *filter_test_ufile = NULL;
732 uschar *filter_thisaddress = NULL;
733 int finduser_retries = 0;
734 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
735 uschar *freeze_tell = NULL;
736 uschar *freeze_tell_config = NULL;
737 uschar *fudged_queue_times = US"";
738
739 uschar *gecos_name = NULL;
740 uschar *gecos_pattern = NULL;
741 rewrite_rule *global_rewrite_rules = NULL;
742
743 uschar *headers_charset = US HEADERS_CHARSET;
744 int header_insert_maxlen = 64 * 1024;
745 header_line *header_last = NULL;
746 header_line *header_list = NULL;
747 int header_maxsize = HEADER_MAXSIZE;
748 int header_line_maxsize = 0;
749
750 header_name header_names[] = {
751 { US"bcc", 3, TRUE, htype_bcc },
752 { US"cc", 2, TRUE, htype_cc },
753 { US"date", 4, TRUE, htype_date },
754 { US"delivery-date", 13, FALSE, htype_delivery_date },
755 { US"envelope-to", 11, FALSE, htype_envelope_to },
756 { US"from", 4, TRUE, htype_from },
757 { US"message-id", 10, TRUE, htype_id },
758 { US"received", 8, FALSE, htype_received },
759 { US"reply-to", 8, FALSE, htype_reply_to },
760 { US"return-path", 11, FALSE, htype_return_path },
761 { US"sender", 6, TRUE, htype_sender },
762 { US"subject", 7, FALSE, htype_subject },
763 { US"to", 2, TRUE, htype_to }
764 };
765
766 int header_names_size = sizeof(header_names)/sizeof(header_name);
767
768 BOOL header_rewritten = FALSE;
769 uschar *helo_accept_junk_hosts = NULL;
770 uschar *helo_allow_chars = US"";
771 uschar *helo_lookup_domains = US"@ : @[]";
772 uschar *helo_try_verify_hosts = NULL;
773 BOOL helo_verified = FALSE;
774 BOOL helo_verify_failed = FALSE;
775 uschar *helo_verify_hosts = NULL;
776 const uschar *hex_digits = CUS"0123456789abcdef";
777 uschar *hold_domains = NULL;
778 BOOL host_checking = FALSE;
779 BOOL host_checking_callout = FALSE;
780 uschar *host_data = NULL;
781 BOOL host_find_failed_syntax= FALSE;
782 uschar *host_lookup = NULL;
783 BOOL host_lookup_deferred = FALSE;
784 BOOL host_lookup_failed = FALSE;
785 uschar *host_lookup_order = US"bydns:byaddr";
786 uschar *host_lookup_msg = US"";
787 int host_number = 0;
788 uschar *host_number_string = NULL;
789 uschar *host_reject_connection = NULL;
790 tree_node *hostlist_anchor = NULL;
791 int hostlist_count = 0;
792 uschar *hosts_treat_as_local = NULL;
793 uschar *hosts_connection_nolog = NULL;
794
795 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
796 BOOL ignore_fromline_local = FALSE;
797 uschar *ignore_fromline_hosts = NULL;
798 BOOL inetd_wait_mode = FALSE;
799 int inetd_wait_timeout = -1;
800 uschar *initial_cwd = NULL;
801 uschar *interface_address = NULL;
802 int interface_port = -1;
803 BOOL is_inetd = FALSE;
804 uschar *iterate_item = NULL;
805
806 int journal_fd = -1;
807
808 uschar *keep_environment = NULL;
809
810 int keep_malformed = 4*24*60*60; /* 4 days */
811
812 uschar *eldap_dn = NULL;
813 int load_average = -2;
814 BOOL local_error_message = FALSE;
815 BOOL local_from_check = TRUE;
816 uschar *local_from_prefix = NULL;
817 uschar *local_from_suffix = NULL;
818
819 #if HAVE_IPV6
820 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
821 #else
822 uschar *local_interfaces = US"0.0.0.0";
823 #endif
824
825 uschar *local_scan_data = NULL;
826 int local_scan_timeout = 5*60;
827 BOOL local_sender_retain = FALSE;
828 gid_t local_user_gid = (gid_t)(-1);
829 uid_t local_user_uid = (uid_t)(-1);
830
831 tree_node *localpartlist_anchor= NULL;
832 int localpartlist_count = 0;
833 uschar *log_buffer = NULL;
834
835 int log_default[] = { /* for initializing log_selector */
836 Li_acl_warn_skipped,
837 Li_connection_reject,
838 Li_delay_delivery,
839 Li_dnslist_defer,
840 Li_etrn,
841 Li_host_lookup_failed,
842 Li_lost_incoming_connection,
843 Li_outgoing_interface, /* see d_log_interface in deliver.c */
844 Li_queue_run,
845 Li_rejected_header,
846 Li_retry_defer,
847 Li_sender_verify_fail,
848 Li_size_reject,
849 Li_skip_delivery,
850 Li_smtp_confirmation,
851 Li_tls_certificate_verified,
852 Li_tls_cipher,
853 -1
854 };
855
856 uschar *log_file_path = US LOG_FILE_PATH
857 "\0<--------------Space to patch log_file_path->";
858
859 int log_notall[] = {
860 -1
861 };
862 bit_table log_options[] = { /* must be in alphabetical order */
863 BIT_TABLE(L, 8bitmime),
864 BIT_TABLE(L, acl_warn_skipped),
865 BIT_TABLE(L, address_rewrite),
866 BIT_TABLE(L, all),
867 BIT_TABLE(L, all_parents),
868 BIT_TABLE(L, arguments),
869 BIT_TABLE(L, connection_reject),
870 BIT_TABLE(L, delay_delivery),
871 BIT_TABLE(L, deliver_time),
872 BIT_TABLE(L, delivery_size),
873 BIT_TABLE(L, dnslist_defer),
874 BIT_TABLE(L, dnssec),
875 BIT_TABLE(L, etrn),
876 BIT_TABLE(L, host_lookup_failed),
877 BIT_TABLE(L, ident_timeout),
878 BIT_TABLE(L, incoming_interface),
879 BIT_TABLE(L, incoming_port),
880 BIT_TABLE(L, lost_incoming_connection),
881 BIT_TABLE(L, outgoing_interface),
882 BIT_TABLE(L, outgoing_port),
883 BIT_TABLE(L, pid),
884 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
885 BIT_TABLE(L, proxy),
886 #endif
887 BIT_TABLE(L, queue_run),
888 BIT_TABLE(L, queue_time),
889 BIT_TABLE(L, queue_time_overall),
890 BIT_TABLE(L, received_recipients),
891 BIT_TABLE(L, received_sender),
892 BIT_TABLE(L, rejected_header),
893 { US"rejected_headers", Li_rejected_header },
894 BIT_TABLE(L, retry_defer),
895 BIT_TABLE(L, return_path_on_delivery),
896 BIT_TABLE(L, sender_on_delivery),
897 BIT_TABLE(L, sender_verify_fail),
898 BIT_TABLE(L, size_reject),
899 BIT_TABLE(L, skip_delivery),
900 BIT_TABLE(L, smtp_confirmation),
901 BIT_TABLE(L, smtp_connection),
902 BIT_TABLE(L, smtp_incomplete_transaction),
903 BIT_TABLE(L, smtp_mailauth),
904 BIT_TABLE(L, smtp_no_mail),
905 BIT_TABLE(L, smtp_protocol_error),
906 BIT_TABLE(L, smtp_syntax_error),
907 BIT_TABLE(L, subject),
908 BIT_TABLE(L, tls_certificate_verified),
909 BIT_TABLE(L, tls_cipher),
910 BIT_TABLE(L, tls_peerdn),
911 BIT_TABLE(L, tls_sni),
912 BIT_TABLE(L, unknown_in_list),
913 };
914 int log_options_count = nelem(log_options);
915
916 int log_reject_target = 0;
917 unsigned int log_selector[log_selector_size]; /* initialized in main() */
918 uschar *log_selector_string = NULL;
919 FILE *log_stderr = NULL;
920 BOOL log_testing_mode = FALSE;
921 BOOL log_timezone = FALSE;
922 uschar *login_sender_address = NULL;
923 uschar *lookup_dnssec_authenticated = NULL;
924 int lookup_open_max = 25;
925 uschar *lookup_value = NULL;
926
927 macro_item *macros = NULL;
928 macro_item *mlast = NULL;
929 uschar *mailstore_basename = NULL;
930 #ifdef WITH_CONTENT_SCAN
931 uschar *malware_name = NULL; /* Virus Name */
932 #endif
933 int max_received_linelength= 0;
934 int max_username_length = 0;
935 int message_age = 0;
936 uschar *message_body = NULL;
937 uschar *message_body_end = NULL;
938 BOOL message_body_newlines = FALSE;
939 int message_body_size = 0;
940 int message_body_visible = 500;
941 int message_ended = END_NOTSTARTED;
942 uschar *message_headers = NULL;
943 uschar *message_id;
944 uschar *message_id_domain = NULL;
945 uschar *message_id_text = NULL;
946 struct timeval message_id_tv = { 0, 0 };
947 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
948 uschar *message_id_external;
949 int message_linecount = 0;
950 BOOL message_logs = TRUE;
951 int message_size = 0;
952 uschar *message_size_limit = US"50M";
953 #ifdef SUPPORT_I18N
954 BOOL message_smtputf8 = FALSE;
955 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
956 #endif
957 uschar message_subdir[2] = { 0, 0 };
958 uschar *message_reference = NULL;
959
960 /* MIME ACL expandables */
961 #ifdef WITH_CONTENT_SCAN
962 int mime_anomaly_level = 0;
963 const uschar *mime_anomaly_text = NULL;
964 uschar *mime_boundary = NULL;
965 uschar *mime_charset = NULL;
966 uschar *mime_content_description = NULL;
967 uschar *mime_content_disposition = NULL;
968 uschar *mime_content_id = NULL;
969 unsigned int mime_content_size = 0;
970 uschar *mime_content_transfer_encoding = NULL;
971 uschar *mime_content_type = NULL;
972 uschar *mime_decoded_filename = NULL;
973 uschar *mime_filename = NULL;
974 int mime_is_multipart = 0;
975 int mime_is_coverletter = 0;
976 int mime_is_rfc822 = 0;
977 int mime_part_count = -1;
978 #endif
979
980 BOOL mua_wrapper = FALSE;
981
982 uid_t *never_users = NULL;
983 #ifdef WITH_CONTENT_SCAN
984 BOOL no_mbox_unspool = FALSE;
985 #endif
986 BOOL no_multiline_responses = FALSE;
987
988 uid_t original_euid;
989 gid_t originator_gid;
990 uschar *originator_login = NULL;
991 uschar *originator_name = NULL;
992 uid_t originator_uid;
993 uschar *override_local_interfaces = NULL;
994 uschar *override_pid_file_path = NULL;
995
996 BOOL parse_allow_group = FALSE;
997 BOOL parse_found_group = FALSE;
998 uschar *percent_hack_domains = NULL;
999 uschar *pid_file_path = US PID_FILE_PATH
1000 "\0<--------------Space to patch pid_file_path->";
1001 BOOL pipelining_enable = TRUE;
1002 uschar *pipelining_advertise_hosts = US"*";
1003 BOOL preserve_message_logs = FALSE;
1004 uschar *primary_hostname = NULL;
1005 BOOL print_topbitchars = FALSE;
1006 uschar process_info[PROCESS_INFO_SIZE];
1007 int process_info_len = 0;
1008 uschar *process_log_path = NULL;
1009 BOOL prod_requires_admin = TRUE;
1010
1011 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1012 uschar *hosts_proxy = US"";
1013 uschar *proxy_external_address = US"";
1014 int proxy_external_port = 0;
1015 uschar *proxy_local_address = US"";
1016 int proxy_local_port = 0;
1017 BOOL proxy_session = FALSE;
1018 BOOL proxy_session_failed = FALSE;
1019 #endif
1020
1021 uschar *prvscheck_address = NULL;
1022 uschar *prvscheck_keynum = NULL;
1023 uschar *prvscheck_result = NULL;
1024
1025
1026 const uschar *qualify_domain_recipient = NULL;
1027 uschar *qualify_domain_sender = NULL;
1028 BOOL queue_2stage = FALSE;
1029 uschar *queue_domains = NULL;
1030 int queue_interval = -1;
1031 BOOL queue_list_requires_admin = TRUE;
1032 uschar *queue_name = US"";
1033 BOOL queue_only = FALSE;
1034 uschar *queue_only_file = NULL;
1035 int queue_only_load = -1;
1036 BOOL queue_only_load_latch = TRUE;
1037 BOOL queue_only_override = TRUE;
1038 BOOL queue_only_policy = FALSE;
1039 BOOL queue_run_first_delivery = FALSE;
1040 BOOL queue_run_force = FALSE;
1041 BOOL queue_run_in_order = FALSE;
1042 BOOL queue_run_local = FALSE;
1043 uschar *queue_run_max = US"5";
1044 pid_t queue_run_pid = (pid_t)0;
1045 int queue_run_pipe = -1;
1046 BOOL queue_running = FALSE;
1047 BOOL queue_smtp = FALSE;
1048 uschar *queue_smtp_domains = NULL;
1049
1050 unsigned int random_seed = 0;
1051 tree_node *ratelimiters_cmd = NULL;
1052 tree_node *ratelimiters_conn = NULL;
1053 tree_node *ratelimiters_mail = NULL;
1054 uschar *raw_active_hostname = NULL;
1055 uschar *raw_sender = NULL;
1056 uschar **raw_recipients = NULL;
1057 int raw_recipients_count = 0;
1058
1059 int rcpt_count = 0;
1060 int rcpt_fail_count = 0;
1061 int rcpt_defer_count = 0;
1062 gid_t real_gid;
1063 uid_t real_uid;
1064 BOOL really_exim = TRUE;
1065 BOOL receive_call_bombout = FALSE;
1066 int receive_linecount = 0;
1067 int receive_messagecount = 0;
1068 int receive_timeout = 0;
1069 int received_count = 0;
1070 uschar *received_for = NULL;
1071
1072 /* This is the default text for Received headers generated by Exim. The
1073 date will be automatically added on the end. */
1074
1075 uschar *received_header_text = US
1076 "Received: "
1077 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1078 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1079 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1080 "by $primary_hostname "
1081 "${if def:received_protocol {with $received_protocol}} "
1082 #ifdef SUPPORT_TLS
1083 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1084 #endif
1085 "(Exim $version_number)\n\t"
1086 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1087 "id $message_exim_id"
1088 "${if def:received_for {\n\tfor $received_for}}"
1089 "\0<---------------Space to patch received_header_text->";
1090
1091 int received_headers_max = 30;
1092 uschar *received_protocol = NULL;
1093 int received_time = 0;
1094 uschar *recipient_data = NULL;
1095 uschar *recipient_unqualified_hosts = NULL;
1096 uschar *recipient_verify_failure = NULL;
1097 int recipients_count = 0;
1098 BOOL recipients_discarded = FALSE;
1099 recipient_item *recipients_list = NULL;
1100 int recipients_list_max = 0;
1101 int recipients_max = 0;
1102 BOOL recipients_max_reject = FALSE;
1103 const pcre *regex_AUTH = NULL;
1104 const pcre *regex_check_dns_names = NULL;
1105 const pcre *regex_From = NULL;
1106 const pcre *regex_IGNOREQUOTA = NULL;
1107 const pcre *regex_PIPELINING = NULL;
1108 const pcre *regex_SIZE = NULL;
1109 const pcre *regex_ismsgid = NULL;
1110 const pcre *regex_smtp_code = NULL;
1111 uschar *regex_vars[REGEX_VARS];
1112 #ifdef WHITELIST_D_MACROS
1113 const pcre *regex_whitelisted_macro = NULL;
1114 #endif
1115 #ifdef WITH_CONTENT_SCAN
1116 uschar *regex_match_string = NULL;
1117 #endif
1118 int remote_delivery_count = 0;
1119 int remote_max_parallel = 2;
1120 uschar *remote_sort_domains = NULL;
1121 int retry_data_expire = 7*24*60*60;
1122 int retry_interval_max = 24*60*60;
1123 int retry_maximum_timeout = 0; /* set from retry config */
1124 retry_config *retries = NULL;
1125 uschar *return_path = NULL;
1126 BOOL return_path_remove = TRUE;
1127 int rewrite_existflags = 0;
1128 uschar *rfc1413_hosts = US"@[]";
1129 int rfc1413_query_timeout = 0;
1130 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1131 uid_t root_gid = ROOT_GID;
1132 uid_t root_uid = ROOT_UID;
1133
1134 router_instance *routers = NULL;
1135 router_instance router_defaults = {
1136 NULL, /* chain pointer */
1137 NULL, /* name */
1138 NULL, /* info */
1139 NULL, /* private options block pointer */
1140 NULL, /* driver name */
1141
1142 NULL, /* address_data */
1143 #ifdef EXPERIMENTAL_BRIGHTMAIL
1144 NULL, /* bmi_rule */
1145 #endif
1146 NULL, /* cannot_route_message */
1147 NULL, /* condition */
1148 NULL, /* current_directory */
1149 NULL, /* debug_string */
1150 NULL, /* domains */
1151 NULL, /* errors_to */
1152 NULL, /* expand_gid */
1153 NULL, /* expand_uid */
1154 NULL, /* expand_more */
1155 NULL, /* expand_unseen */
1156 NULL, /* extra_headers */
1157 NULL, /* fallback_hosts */
1158 NULL, /* home_directory */
1159 NULL, /* ignore_target_hosts */
1160 NULL, /* local_parts */
1161 NULL, /* pass_router_name */
1162 NULL, /* prefix */
1163 NULL, /* redirect_router_name */
1164 NULL, /* remove_headers */
1165 NULL, /* require_files */
1166 NULL, /* router_home_directory */
1167 US"freeze", /* self */
1168 NULL, /* senders */
1169 NULL, /* suffix */
1170 NULL, /* translate_ip_address */
1171 NULL, /* transport_name */
1172
1173 TRUE, /* address_test */
1174 #ifdef EXPERIMENTAL_BRIGHTMAIL
1175 FALSE, /* bmi_deliver_alternate */
1176 FALSE, /* bmi_deliver_default */
1177 FALSE, /* bmi_dont_deliver */
1178 #endif
1179 TRUE, /* expn */
1180 FALSE, /* caseful_local_part */
1181 FALSE, /* check_local_user */
1182 FALSE, /* disable_logging */
1183 FALSE, /* fail_verify_recipient */
1184 FALSE, /* fail_verify_sender */
1185 FALSE, /* gid_set */
1186 FALSE, /* initgroups */
1187 TRUE_UNSET, /* log_as_local */
1188 TRUE, /* more */
1189 FALSE, /* pass_on_timeout */
1190 FALSE, /* prefix_optional */
1191 TRUE, /* repeat_use */
1192 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1193 FALSE, /* same_domain_copy_routing */
1194 FALSE, /* self_rewrite */
1195 FALSE, /* suffix_optional */
1196 FALSE, /* verify_only */
1197 TRUE, /* verify_recipient */
1198 TRUE, /* verify_sender */
1199 FALSE, /* uid_set */
1200 FALSE, /* unseen */
1201 FALSE, /* dsn_lasthop */
1202
1203 self_freeze, /* self_code */
1204 (uid_t)(-1), /* uid */
1205 (gid_t)(-1), /* gid */
1206
1207 NULL, /* fallback_hostlist */
1208 NULL, /* transport instance */
1209 NULL, /* pass_router */
1210 NULL, /* redirect_router */
1211
1212 { NULL, NULL }, /* dnssec_domains {require,request} */
1213 };
1214
1215 uschar *router_name = NULL;
1216
1217 ip_address_item *running_interfaces = NULL;
1218 BOOL running_in_test_harness = FALSE;
1219
1220 /* This is a weird one. The following string gets patched in the binary by the
1221 script that sets up a copy of Exim for running in the test harness. It seems
1222 that compilers are now clever, and share constant strings if they can.
1223 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1224 make use of the end of this string in order to save space. So the patching then
1225 wrecks this. We defeat this optimization by adding some additional characters
1226 onto the end of the string. */
1227
1228 uschar *running_status = US">>>running<<<" "\0EXTRA";
1229
1230 int runrc = 0;
1231
1232 uschar *search_error_message = NULL;
1233 BOOL search_find_defer = FALSE;
1234 uschar *self_hostname = NULL;
1235 uschar *sender_address = NULL;
1236 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1237 uschar *sender_address_data = NULL;
1238 BOOL sender_address_forced = FALSE;
1239 uschar *sender_address_unrewritten = NULL;
1240 uschar *sender_data = NULL;
1241 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1242 uschar *sender_fullhost = NULL;
1243 BOOL sender_helo_dnssec = FALSE;
1244 uschar *sender_helo_name = NULL;
1245 uschar **sender_host_aliases = &no_aliases;
1246 uschar *sender_host_address = NULL;
1247 uschar *sender_host_authenticated = NULL;
1248 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1249 BOOL sender_host_dnssec = FALSE;
1250 uschar *sender_host_name = NULL;
1251 int sender_host_port = 0;
1252 BOOL sender_host_notsocket = FALSE;
1253 BOOL sender_host_unknown = FALSE;
1254 uschar *sender_ident = NULL;
1255 BOOL sender_local = FALSE;
1256 BOOL sender_name_forced = FALSE;
1257 uschar *sender_rate = NULL;
1258 uschar *sender_rate_limit = NULL;
1259 uschar *sender_rate_period = NULL;
1260 uschar *sender_rcvhost = NULL;
1261 BOOL sender_set_untrusted = FALSE;
1262 uschar *sender_unqualified_hosts = NULL;
1263 uschar *sender_verify_failure = NULL;
1264 address_item *sender_verified_list = NULL;
1265 address_item *sender_verified_failed = NULL;
1266 int sender_verified_rc = -1;
1267 BOOL sender_verified_responded = FALSE;
1268 uschar *sending_ip_address = NULL;
1269 int sending_port = -1;
1270 SIGNAL_BOOL sigalrm_seen = FALSE;
1271 uschar **sighup_argv = NULL;
1272 int slow_lookup_log = 0; /* millisecs, zero disables */
1273 int smtp_accept_count = 0;
1274 BOOL smtp_accept_keepalive = TRUE;
1275 int smtp_accept_max = 20;
1276 int smtp_accept_max_nonmail= 10;
1277 uschar *smtp_accept_max_nonmail_hosts = US"*";
1278 int smtp_accept_max_per_connection = 1000;
1279 uschar *smtp_accept_max_per_host = NULL;
1280 int smtp_accept_queue = 0;
1281 int smtp_accept_queue_per_connection = 10;
1282 int smtp_accept_reserve = 0;
1283 uschar *smtp_active_hostname = NULL;
1284 BOOL smtp_authenticated = FALSE;
1285 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1286 "Exim $version_number $tod_full"
1287 "\0<---------------Space to patch smtp_banner->";
1288 BOOL smtp_batched_input = FALSE;
1289 BOOL smtp_check_spool_space = TRUE;
1290 int smtp_ch_index = 0;
1291 uschar *smtp_cmd_argument = NULL;
1292 uschar *smtp_cmd_buffer = NULL;
1293 time_t smtp_connection_start = 0;
1294 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1295 int smtp_connect_backlog = 20;
1296 double smtp_delay_mail = 0.0;
1297 double smtp_delay_rcpt = 0.0;
1298 BOOL smtp_enforce_sync = TRUE;
1299 FILE *smtp_in = NULL;
1300 BOOL smtp_input = FALSE;
1301 int smtp_load_reserve = -1;
1302 int smtp_mailcmd_count = 0;
1303 FILE *smtp_out = NULL;
1304 uschar *smtp_etrn_command = NULL;
1305 BOOL smtp_etrn_serialize = TRUE;
1306 int smtp_max_synprot_errors= 3;
1307 int smtp_max_unknown_commands = 3;
1308 uschar *smtp_notquit_reason = NULL;
1309 uschar *smtp_ratelimit_hosts = NULL;
1310 uschar *smtp_ratelimit_mail = NULL;
1311 uschar *smtp_ratelimit_rcpt = NULL;
1312 uschar *smtp_read_error = US"";
1313 int smtp_receive_timeout = 5*60;
1314 uschar *smtp_receive_timeout_s = NULL;
1315 uschar *smtp_reserve_hosts = NULL;
1316 BOOL smtp_return_error_details = FALSE;
1317 int smtp_rlm_base = 0;
1318 double smtp_rlm_factor = 0.0;
1319 int smtp_rlm_limit = 0;
1320 int smtp_rlm_threshold = INT_MAX;
1321 int smtp_rlr_base = 0;
1322 double smtp_rlr_factor = 0.0;
1323 int smtp_rlr_limit = 0;
1324 int smtp_rlr_threshold = INT_MAX;
1325 unsigned smtp_peer_options = 0;
1326 unsigned smtp_peer_options_wrap= 0;
1327 #ifdef SUPPORT_I18N
1328 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1329 #endif
1330
1331 #ifdef WITH_CONTENT_SCAN
1332 uschar *spamd_address = US"127.0.0.1 783";
1333 uschar *spam_bar = NULL;
1334 uschar *spam_report = NULL;
1335 uschar *spam_action = NULL;
1336 uschar *spam_score = NULL;
1337 uschar *spam_score_int = NULL;
1338 #endif
1339 #ifdef EXPERIMENTAL_SPF
1340 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1341 uschar *spf_header_comment = NULL;
1342 uschar *spf_received = NULL;
1343 uschar *spf_result = NULL;
1344 uschar *spf_smtp_comment = NULL;
1345 #endif
1346
1347 BOOL split_spool_directory = FALSE;
1348 uschar *spool_directory = US SPOOL_DIRECTORY
1349 "\0<--------------Space to patch spool_directory->";
1350 #ifdef EXPERIMENTAL_SRS
1351 uschar *srs_config = NULL;
1352 uschar *srs_db_address = NULL;
1353 uschar *srs_db_key = NULL;
1354 int srs_hashlength = 6;
1355 int srs_hashmin = -1;
1356 int srs_maxage = 31;
1357 uschar *srs_orig_recipient = NULL;
1358 uschar *srs_orig_sender = NULL;
1359 uschar *srs_recipient = NULL;
1360 uschar *srs_secrets = NULL;
1361 uschar *srs_status = NULL;
1362 BOOL srs_usehash = TRUE;
1363 BOOL srs_usetimestamp = TRUE;
1364 #endif
1365 BOOL strict_acl_vars = FALSE;
1366 int string_datestamp_offset= -1;
1367 int string_datestamp_length= 0;
1368 int string_datestamp_type = -1;
1369 BOOL strip_excess_angle_brackets = FALSE;
1370 BOOL strip_trailing_dot = FALSE;
1371 uschar *submission_domain = NULL;
1372 BOOL submission_mode = FALSE;
1373 uschar *submission_name = NULL;
1374 BOOL suppress_local_fixups = FALSE;
1375 BOOL suppress_local_fixups_default = FALSE;
1376 BOOL synchronous_delivery = FALSE;
1377 BOOL syslog_duplication = TRUE;
1378 int syslog_facility = LOG_MAIL;
1379 uschar *syslog_processname = US"exim";
1380 BOOL syslog_timestamp = TRUE;
1381 uschar *system_filter = NULL;
1382
1383 uschar *system_filter_directory_transport = NULL;
1384 uschar *system_filter_file_transport = NULL;
1385 uschar *system_filter_pipe_transport = NULL;
1386 uschar *system_filter_reply_transport = NULL;
1387
1388 gid_t system_filter_gid = 0;
1389 BOOL system_filter_gid_set = FALSE;
1390 uid_t system_filter_uid = (uid_t)-1;
1391 BOOL system_filter_uid_set = FALSE;
1392 BOOL system_filtering = FALSE;
1393
1394 BOOL tcp_nodelay = TRUE;
1395 #ifdef USE_TCP_WRAPPERS
1396 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1397 #endif
1398 int test_harness_load_avg = 0;
1399 int thismessage_size_limit = 0;
1400 int timeout_frozen_after = 0;
1401 BOOL timestamps_utc = FALSE;
1402
1403 transport_instance *transports = NULL;
1404
1405 transport_instance transport_defaults = {
1406 NULL, /* chain pointer */
1407 NULL, /* name */
1408 NULL, /* info */
1409 NULL, /* private options block pointer */
1410 NULL, /* driver name */
1411 NULL, /* setup entry point */
1412 1, /* batch_max */
1413 NULL, /* batch_id */
1414 NULL, /* home_dir */
1415 NULL, /* current_dir */
1416 NULL, /* expand-multi-domain */
1417 TRUE, /* multi-domain */
1418 FALSE, /* overrides_hosts */
1419 100, /* max_addresses */
1420 500, /* connection_max_messages */
1421 FALSE, /* deliver_as_creator */
1422 FALSE, /* disable_logging */
1423 FALSE, /* initgroups */
1424 FALSE, /* uid_set */
1425 FALSE, /* gid_set */
1426 (uid_t)(-1), /* uid */
1427 (gid_t)(-1), /* gid */
1428 NULL, /* expand_uid */
1429 NULL, /* expand_gid */
1430 NULL, /* warn_message */
1431 NULL, /* shadow */
1432 NULL, /* shadow_condition */
1433 NULL, /* filter_command */
1434 NULL, /* add_headers */
1435 NULL, /* remove_headers */
1436 NULL, /* return_path */
1437 NULL, /* debug_string */
1438 NULL, /* max_parallel */
1439 NULL, /* message_size_limit */
1440 NULL, /* headers_rewrite */
1441 NULL, /* rewrite_rules */
1442 0, /* rewrite_existflags */
1443 300, /* filter_timeout */
1444 FALSE, /* body_only */
1445 FALSE, /* delivery_date_add */
1446 FALSE, /* envelope_to_add */
1447 FALSE, /* headers_only */
1448 FALSE, /* rcpt_include_affixes */
1449 FALSE, /* return_path_add */
1450 FALSE, /* return_output */
1451 FALSE, /* return_fail_output */
1452 FALSE, /* log_output */
1453 FALSE, /* log_fail_output */
1454 FALSE, /* log_defer_output */
1455 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1456 1 nor 0 so can detect unset */
1457 #ifndef DISABLE_EVENT
1458 ,NULL /* event_action */
1459 #endif
1460 };
1461
1462 int transport_count;
1463 uschar *transport_name = NULL;
1464 int transport_newlines;
1465 const uschar **transport_filter_argv = NULL;
1466 int transport_filter_timeout;
1467 BOOL transport_filter_timed_out = FALSE;
1468 int transport_write_timeout= 0;
1469
1470 tree_node *tree_dns_fails = NULL;
1471 tree_node *tree_duplicates = NULL;
1472 tree_node *tree_nonrecipients = NULL;
1473 tree_node *tree_unusable = NULL;
1474
1475 BOOL trusted_caller = FALSE;
1476 BOOL trusted_config = TRUE;
1477 gid_t *trusted_groups = NULL;
1478 uid_t *trusted_users = NULL;
1479 uschar *timezone_string = US TIMEZONE_DEFAULT;
1480
1481 uschar *unknown_login = NULL;
1482 uschar *unknown_username = NULL;
1483 uschar *untrusted_set_sender = NULL;
1484
1485 /* A regex for matching a "From_" line in an incoming message, in the form
1486
1487 From ph10 Fri Jan 5 12:35 GMT 1996
1488
1489 which the "mail" commands send to the MTA (undocumented, of course), or in
1490 the form
1491
1492 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1493
1494 which is apparently used by some UUCPs, despite it not being in RFC 976.
1495 Because of variations in time formats, just match up to the minutes. That
1496 should be sufficient. Examples have been seen of time fields like 12:1:03,
1497 so just require one digit for hours and minutes. The weekday is also absent
1498 in some forms. */
1499
1500 uschar *uucp_from_pattern = US
1501 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1502 "(?:" /* Non-extracting bracket */
1503 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1504 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1505 ")" /* End alternation */
1506 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1507
1508 uschar *uucp_from_sender = US"$1";
1509
1510 uschar *verify_mode = NULL;
1511 uschar *version_copyright =
1512 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1513 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
1514 uschar *version_date = US"?";
1515 uschar *version_cnumber = US"????";
1516 uschar *version_string = US"?";
1517
1518 uschar *warn_message_file = NULL;
1519 int warning_count = 0;
1520 uschar *warnmsg_delay = NULL;
1521 uschar *warnmsg_recipients = NULL;
1522 BOOL write_rejectlog = TRUE;
1523
1524
1525 /* End of globals.c */
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