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Constify config_filename
[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 const uschar *config_filename = NULL;
512 int config_lineno = 0;
513 #ifdef CONFIGURE_GROUP
514 gid_t config_gid = CONFIGURE_GROUP;
515 #else
516 gid_t config_gid = 0;
517 #endif
518 uschar *config_main_filelist = US CONFIGURE_FILE
519 "\0<-----------Space to patch configure_filename->";
520 uschar *config_main_filename = NULL;
521 uschar *config_main_directory = NULL;
522
523 #ifdef CONFIGURE_OWNER
524 uid_t config_uid = CONFIGURE_OWNER;
525 #else
526 uid_t config_uid = 0;
527 #endif
528
529 int connection_max_messages= -1;
530 uschar *continue_hostname = NULL;
531 uschar *continue_host_address = NULL;
532 BOOL continue_more = FALSE;
533 int continue_sequence = 1;
534 uschar *continue_transport = NULL;
535
536 uschar *csa_status = NULL;
537 cut_t cutthrough = {
538 FALSE, /* delivery: when to attempt */
539 FALSE, /* on defer: spool locally */
540 -1, /* fd: open connection */
541 0, /* nrcpt: number of addresses */
542 };
543
544 BOOL daemon_listen = FALSE;
545 uschar *daemon_smtp_port = US"smtp";
546 int daemon_startup_retries = 9;
547 int daemon_startup_sleep = 30;
548
549 #ifdef EXPERIMENTAL_DCC
550 BOOL dcc_direct_add_header = FALSE;
551 uschar *dcc_header = NULL;
552 uschar *dcc_result = NULL;
553 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
554 uschar *dccifd_options = US"header";
555 #endif
556
557 BOOL debug_daemon = FALSE;
558 int debug_fd = -1;
559 FILE *debug_file = NULL;
560 int debug_notall[] = {
561 Di_memory,
562 -1
563 };
564 bit_table debug_options[] = { /* must be in alphabetical order */
565 BIT_TABLE(D, acl),
566 BIT_TABLE(D, all),
567 BIT_TABLE(D, auth),
568 BIT_TABLE(D, deliver),
569 BIT_TABLE(D, dns),
570 BIT_TABLE(D, dnsbl),
571 BIT_TABLE(D, exec),
572 BIT_TABLE(D, expand),
573 BIT_TABLE(D, filter),
574 BIT_TABLE(D, hints_lookup),
575 BIT_TABLE(D, host_lookup),
576 BIT_TABLE(D, ident),
577 BIT_TABLE(D, interface),
578 BIT_TABLE(D, lists),
579 BIT_TABLE(D, load),
580 BIT_TABLE(D, local_scan),
581 BIT_TABLE(D, lookup),
582 BIT_TABLE(D, memory),
583 BIT_TABLE(D, pid),
584 BIT_TABLE(D, process_info),
585 BIT_TABLE(D, queue_run),
586 BIT_TABLE(D, receive),
587 BIT_TABLE(D, resolver),
588 BIT_TABLE(D, retry),
589 BIT_TABLE(D, rewrite),
590 BIT_TABLE(D, route),
591 BIT_TABLE(D, timestamp),
592 BIT_TABLE(D, tls),
593 BIT_TABLE(D, transport),
594 BIT_TABLE(D, uid),
595 BIT_TABLE(D, verify),
596 };
597 int debug_options_count = nelem(debug_options);
598
599 unsigned int debug_selector = 0;
600 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
601 uschar *delay_warning_condition=
602 US"${if or {"
603 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
604 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
605 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
606 "} {no}{yes}}";
607 BOOL delivery_date_remove = TRUE;
608 uschar *deliver_address_data = NULL;
609 int deliver_datafile = -1;
610 const uschar *deliver_domain = NULL;
611 uschar *deliver_domain_data = NULL;
612 const uschar *deliver_domain_orig = NULL;
613 const uschar *deliver_domain_parent = NULL;
614 BOOL deliver_drop_privilege = FALSE;
615 BOOL deliver_firsttime = FALSE;
616 BOOL deliver_force = FALSE;
617 BOOL deliver_freeze = FALSE;
618 time_t deliver_frozen_at = 0;
619 uschar *deliver_home = NULL;
620 const uschar *deliver_host = NULL;
621 const uschar *deliver_host_address = NULL;
622 int deliver_host_port = 0;
623 uschar *deliver_in_buffer = NULL;
624 ino_t deliver_inode = 0;
625 uschar *deliver_localpart = NULL;
626 uschar *deliver_localpart_data = NULL;
627 uschar *deliver_localpart_orig = NULL;
628 uschar *deliver_localpart_parent = NULL;
629 uschar *deliver_localpart_prefix = NULL;
630 uschar *deliver_localpart_suffix = NULL;
631 BOOL deliver_force_thaw = FALSE;
632 BOOL deliver_manual_thaw = FALSE;
633 uschar *deliver_out_buffer = NULL;
634 int deliver_queue_load_max = -1;
635 address_item *deliver_recipients = NULL;
636 uschar *deliver_selectstring = NULL;
637 BOOL deliver_selectstring_regex = FALSE;
638 uschar *deliver_selectstring_sender = NULL;
639 BOOL deliver_selectstring_sender_regex = FALSE;
640 BOOL disable_callout_flush = FALSE;
641 BOOL disable_delay_flush = FALSE;
642 #ifdef ENABLE_DISABLE_FSYNC
643 BOOL disable_fsync = FALSE;
644 #endif
645 BOOL disable_ipv6 = FALSE;
646 BOOL disable_logging = FALSE;
647
648 #ifndef DISABLE_DKIM
649 BOOL dkim_collect_input = FALSE;
650 uschar *dkim_cur_signer = NULL;
651 BOOL dkim_disable_verify = FALSE;
652 int dkim_key_length = 0;
653 uschar *dkim_signers = NULL;
654 uschar *dkim_signing_domain = NULL;
655 uschar *dkim_signing_selector = NULL;
656 uschar *dkim_verify_signers = US"$dkim_signers";
657 #endif
658 #ifdef EXPERIMENTAL_DMARC
659 BOOL dmarc_has_been_checked = FALSE;
660 uschar *dmarc_ar_header = NULL;
661 uschar *dmarc_domain_policy = NULL;
662 uschar *dmarc_forensic_sender = NULL;
663 uschar *dmarc_history_file = NULL;
664 uschar *dmarc_status = NULL;
665 uschar *dmarc_status_text = NULL;
666 uschar *dmarc_tld_file = NULL;
667 uschar *dmarc_used_domain = NULL;
668 BOOL dmarc_disable_verify = FALSE;
669 BOOL dmarc_enable_forensic = FALSE;
670 #endif
671
672 uschar *dns_again_means_nonexist = NULL;
673 int dns_csa_search_limit = 5;
674 BOOL dns_csa_use_reverse = TRUE;
675 #ifdef EXPERIMENTAL_DANE
676 int dns_dane_ok = -1;
677 #endif
678 uschar *dns_ipv4_lookup = NULL;
679 int dns_retrans = 0;
680 int dns_retry = 0;
681 int dns_dnssec_ok = -1; /* <0 = not coerced */
682 uschar *dns_trust_aa = NULL;
683 int dns_use_edns0 = -1; /* <0 = not coerced */
684 uschar *dnslist_domain = NULL;
685 uschar *dnslist_matched = NULL;
686 uschar *dnslist_text = NULL;
687 uschar *dnslist_value = NULL;
688 tree_node *domainlist_anchor = NULL;
689 int domainlist_count = 0;
690 BOOL dont_deliver = FALSE;
691 BOOL dot_ends = TRUE;
692 BOOL drop_cr = FALSE; /* No longer used */
693 uschar *dsn_from = US DEFAULT_DSN_FROM;
694
695 BOOL enable_dollar_recipients = FALSE;
696 BOOL envelope_to_remove = TRUE;
697 int errno_quota = ERRNO_QUOTA;
698 uschar *errors_copy = NULL;
699 int error_handling = ERRORS_SENDER;
700 uschar *errors_reply_to = NULL;
701 int errors_sender_rc = EXIT_FAILURE;
702 #ifndef DISABLE_EVENT
703 uschar *event_action = NULL; /* expansion for delivery events */
704 uschar *event_data = NULL; /* auxilary data variable for event */
705 int event_defer_errno = 0;
706 const uschar *event_name = NULL; /* event name variable */
707 #endif
708
709
710 gid_t exim_gid = EXIM_GID;
711 BOOL exim_gid_set = TRUE; /* This gid is always set */
712 uschar *exim_path = US BIN_DIRECTORY "/exim"
713 "\0<---------------Space to patch exim_path->";
714 uid_t exim_uid = EXIM_UID;
715 BOOL exim_uid_set = TRUE; /* This uid is always set */
716 int expand_forbid = 0;
717 int expand_nlength[EXPAND_MAXN+1];
718 int expand_nmax = -1;
719 uschar *expand_nstring[EXPAND_MAXN+1];
720 BOOL expand_string_forcedfail = FALSE;
721 uschar *expand_string_message;
722 BOOL extract_addresses_remove_arguments = TRUE;
723 uschar *extra_local_interfaces = NULL;
724
725 int fake_response = OK;
726 uschar *fake_response_text = US"Your message has been rejected but is "
727 "being kept for evaluation.\nIf it was a "
728 "legitimate message, it may still be "
729 "delivered to the target recipient(s).";
730 int filter_n[FILTER_VARIABLE_COUNT];
731 BOOL filter_running = FALSE;
732 int filter_sn[FILTER_VARIABLE_COUNT];
733 int filter_test = FTEST_NONE;
734 uschar *filter_test_sfile = NULL;
735 uschar *filter_test_ufile = NULL;
736 uschar *filter_thisaddress = NULL;
737 int finduser_retries = 0;
738 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
739 uschar *freeze_tell = NULL;
740 uschar *freeze_tell_config = NULL;
741 uschar *fudged_queue_times = US"";
742
743 uschar *gecos_name = NULL;
744 uschar *gecos_pattern = NULL;
745 rewrite_rule *global_rewrite_rules = NULL;
746
747 uschar *headers_charset = US HEADERS_CHARSET;
748 int header_insert_maxlen = 64 * 1024;
749 header_line *header_last = NULL;
750 header_line *header_list = NULL;
751 int header_maxsize = HEADER_MAXSIZE;
752 int header_line_maxsize = 0;
753
754 header_name header_names[] = {
755 { US"bcc", 3, TRUE, htype_bcc },
756 { US"cc", 2, TRUE, htype_cc },
757 { US"date", 4, TRUE, htype_date },
758 { US"delivery-date", 13, FALSE, htype_delivery_date },
759 { US"envelope-to", 11, FALSE, htype_envelope_to },
760 { US"from", 4, TRUE, htype_from },
761 { US"message-id", 10, TRUE, htype_id },
762 { US"received", 8, FALSE, htype_received },
763 { US"reply-to", 8, FALSE, htype_reply_to },
764 { US"return-path", 11, FALSE, htype_return_path },
765 { US"sender", 6, TRUE, htype_sender },
766 { US"subject", 7, FALSE, htype_subject },
767 { US"to", 2, TRUE, htype_to }
768 };
769
770 int header_names_size = sizeof(header_names)/sizeof(header_name);
771
772 BOOL header_rewritten = FALSE;
773 uschar *helo_accept_junk_hosts = NULL;
774 uschar *helo_allow_chars = US"";
775 uschar *helo_lookup_domains = US"@ : @[]";
776 uschar *helo_try_verify_hosts = NULL;
777 BOOL helo_verified = FALSE;
778 BOOL helo_verify_failed = FALSE;
779 uschar *helo_verify_hosts = NULL;
780 const uschar *hex_digits = CUS"0123456789abcdef";
781 uschar *hold_domains = NULL;
782 BOOL host_checking = FALSE;
783 BOOL host_checking_callout = FALSE;
784 uschar *host_data = NULL;
785 BOOL host_find_failed_syntax= FALSE;
786 uschar *host_lookup = NULL;
787 BOOL host_lookup_deferred = FALSE;
788 BOOL host_lookup_failed = FALSE;
789 uschar *host_lookup_order = US"bydns:byaddr";
790 uschar *host_lookup_msg = US"";
791 int host_number = 0;
792 uschar *host_number_string = NULL;
793 uschar *host_reject_connection = NULL;
794 tree_node *hostlist_anchor = NULL;
795 int hostlist_count = 0;
796 uschar *hosts_treat_as_local = NULL;
797 uschar *hosts_connection_nolog = NULL;
798
799 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
800 BOOL ignore_fromline_local = FALSE;
801 uschar *ignore_fromline_hosts = NULL;
802 BOOL inetd_wait_mode = FALSE;
803 int inetd_wait_timeout = -1;
804 uschar *initial_cwd = NULL;
805 uschar *interface_address = NULL;
806 int interface_port = -1;
807 BOOL is_inetd = FALSE;
808 uschar *iterate_item = NULL;
809
810 int journal_fd = -1;
811
812 uschar *keep_environment = NULL;
813
814 int keep_malformed = 4*24*60*60; /* 4 days */
815
816 uschar *eldap_dn = NULL;
817 int load_average = -2;
818 BOOL local_error_message = FALSE;
819 BOOL local_from_check = TRUE;
820 uschar *local_from_prefix = NULL;
821 uschar *local_from_suffix = NULL;
822
823 #if HAVE_IPV6
824 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
825 #else
826 uschar *local_interfaces = US"0.0.0.0";
827 #endif
828
829 uschar *local_scan_data = NULL;
830 int local_scan_timeout = 5*60;
831 BOOL local_sender_retain = FALSE;
832 gid_t local_user_gid = (gid_t)(-1);
833 uid_t local_user_uid = (uid_t)(-1);
834
835 tree_node *localpartlist_anchor= NULL;
836 int localpartlist_count = 0;
837 uschar *log_buffer = NULL;
838
839 int log_default[] = { /* for initializing log_selector */
840 Li_acl_warn_skipped,
841 Li_connection_reject,
842 Li_delay_delivery,
843 Li_dnslist_defer,
844 Li_etrn,
845 Li_host_lookup_failed,
846 Li_lost_incoming_connection,
847 Li_outgoing_interface, /* see d_log_interface in deliver.c */
848 Li_queue_run,
849 Li_rejected_header,
850 Li_retry_defer,
851 Li_sender_verify_fail,
852 Li_size_reject,
853 Li_skip_delivery,
854 Li_smtp_confirmation,
855 Li_tls_certificate_verified,
856 Li_tls_cipher,
857 -1
858 };
859
860 uschar *log_file_path = US LOG_FILE_PATH
861 "\0<--------------Space to patch log_file_path->";
862
863 int log_notall[] = {
864 -1
865 };
866 bit_table log_options[] = { /* must be in alphabetical order */
867 BIT_TABLE(L, 8bitmime),
868 BIT_TABLE(L, acl_warn_skipped),
869 BIT_TABLE(L, address_rewrite),
870 BIT_TABLE(L, all),
871 BIT_TABLE(L, all_parents),
872 BIT_TABLE(L, arguments),
873 BIT_TABLE(L, connection_reject),
874 BIT_TABLE(L, delay_delivery),
875 BIT_TABLE(L, deliver_time),
876 BIT_TABLE(L, delivery_size),
877 BIT_TABLE(L, dnslist_defer),
878 BIT_TABLE(L, dnssec),
879 BIT_TABLE(L, etrn),
880 BIT_TABLE(L, host_lookup_failed),
881 BIT_TABLE(L, ident_timeout),
882 BIT_TABLE(L, incoming_interface),
883 BIT_TABLE(L, incoming_port),
884 BIT_TABLE(L, lost_incoming_connection),
885 BIT_TABLE(L, outgoing_interface),
886 BIT_TABLE(L, outgoing_port),
887 BIT_TABLE(L, pid),
888 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
889 BIT_TABLE(L, proxy),
890 #endif
891 BIT_TABLE(L, queue_run),
892 BIT_TABLE(L, queue_time),
893 BIT_TABLE(L, queue_time_overall),
894 BIT_TABLE(L, received_recipients),
895 BIT_TABLE(L, received_sender),
896 BIT_TABLE(L, rejected_header),
897 { US"rejected_headers", Li_rejected_header },
898 BIT_TABLE(L, retry_defer),
899 BIT_TABLE(L, return_path_on_delivery),
900 BIT_TABLE(L, sender_on_delivery),
901 BIT_TABLE(L, sender_verify_fail),
902 BIT_TABLE(L, size_reject),
903 BIT_TABLE(L, skip_delivery),
904 BIT_TABLE(L, smtp_confirmation),
905 BIT_TABLE(L, smtp_connection),
906 BIT_TABLE(L, smtp_incomplete_transaction),
907 BIT_TABLE(L, smtp_mailauth),
908 BIT_TABLE(L, smtp_no_mail),
909 BIT_TABLE(L, smtp_protocol_error),
910 BIT_TABLE(L, smtp_syntax_error),
911 BIT_TABLE(L, subject),
912 BIT_TABLE(L, tls_certificate_verified),
913 BIT_TABLE(L, tls_cipher),
914 BIT_TABLE(L, tls_peerdn),
915 BIT_TABLE(L, tls_sni),
916 BIT_TABLE(L, unknown_in_list),
917 };
918 int log_options_count = nelem(log_options);
919
920 int log_reject_target = 0;
921 unsigned int log_selector[log_selector_size]; /* initialized in main() */
922 uschar *log_selector_string = NULL;
923 FILE *log_stderr = NULL;
924 BOOL log_testing_mode = FALSE;
925 BOOL log_timezone = FALSE;
926 uschar *login_sender_address = NULL;
927 uschar *lookup_dnssec_authenticated = NULL;
928 int lookup_open_max = 25;
929 uschar *lookup_value = NULL;
930
931 macro_item *macros = NULL;
932 macro_item *mlast = NULL;
933 BOOL macros_builtin_created = FALSE;
934 uschar *mailstore_basename = NULL;
935 #ifdef WITH_CONTENT_SCAN
936 uschar *malware_name = NULL; /* Virus Name */
937 #endif
938 int max_received_linelength= 0;
939 int max_username_length = 0;
940 int message_age = 0;
941 uschar *message_body = NULL;
942 uschar *message_body_end = NULL;
943 BOOL message_body_newlines = FALSE;
944 int message_body_size = 0;
945 int message_body_visible = 500;
946 int message_ended = END_NOTSTARTED;
947 uschar *message_headers = NULL;
948 uschar *message_id;
949 uschar *message_id_domain = NULL;
950 uschar *message_id_text = NULL;
951 struct timeval message_id_tv = { 0, 0 };
952 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
953 uschar *message_id_external;
954 int message_linecount = 0;
955 BOOL message_logs = TRUE;
956 int message_size = 0;
957 uschar *message_size_limit = US"50M";
958 #ifdef SUPPORT_I18N
959 BOOL message_smtputf8 = FALSE;
960 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
961 #endif
962 uschar message_subdir[2] = { 0, 0 };
963 uschar *message_reference = NULL;
964
965 /* MIME ACL expandables */
966 #ifdef WITH_CONTENT_SCAN
967 int mime_anomaly_level = 0;
968 const uschar *mime_anomaly_text = NULL;
969 uschar *mime_boundary = NULL;
970 uschar *mime_charset = NULL;
971 uschar *mime_content_description = NULL;
972 uschar *mime_content_disposition = NULL;
973 uschar *mime_content_id = NULL;
974 unsigned int mime_content_size = 0;
975 uschar *mime_content_transfer_encoding = NULL;
976 uschar *mime_content_type = NULL;
977 uschar *mime_decoded_filename = NULL;
978 uschar *mime_filename = NULL;
979 int mime_is_multipart = 0;
980 int mime_is_coverletter = 0;
981 int mime_is_rfc822 = 0;
982 int mime_part_count = -1;
983 #endif
984
985 BOOL mua_wrapper = FALSE;
986
987 uid_t *never_users = NULL;
988 #ifdef WITH_CONTENT_SCAN
989 BOOL no_mbox_unspool = FALSE;
990 #endif
991 BOOL no_multiline_responses = FALSE;
992
993 const int on = 1; /* for setsockopt */
994 const int off = 0;
995
996 uid_t original_euid;
997 gid_t originator_gid;
998 uschar *originator_login = NULL;
999 uschar *originator_name = NULL;
1000 uid_t originator_uid;
1001 uschar *override_local_interfaces = NULL;
1002 uschar *override_pid_file_path = NULL;
1003
1004 BOOL parse_allow_group = FALSE;
1005 BOOL parse_found_group = FALSE;
1006 uschar *percent_hack_domains = NULL;
1007 uschar *pid_file_path = US PID_FILE_PATH
1008 "\0<--------------Space to patch pid_file_path->";
1009 BOOL pipelining_enable = TRUE;
1010 uschar *pipelining_advertise_hosts = US"*";
1011 BOOL preserve_message_logs = FALSE;
1012 uschar *primary_hostname = NULL;
1013 BOOL print_topbitchars = FALSE;
1014 uschar process_info[PROCESS_INFO_SIZE];
1015 int process_info_len = 0;
1016 uschar *process_log_path = NULL;
1017 BOOL prod_requires_admin = TRUE;
1018
1019 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1020 uschar *hosts_proxy = US"";
1021 uschar *proxy_external_address = US"";
1022 int proxy_external_port = 0;
1023 uschar *proxy_local_address = US"";
1024 int proxy_local_port = 0;
1025 BOOL proxy_session = FALSE;
1026 BOOL proxy_session_failed = FALSE;
1027 #endif
1028
1029 uschar *prvscheck_address = NULL;
1030 uschar *prvscheck_keynum = NULL;
1031 uschar *prvscheck_result = NULL;
1032
1033
1034 const uschar *qualify_domain_recipient = NULL;
1035 uschar *qualify_domain_sender = NULL;
1036 BOOL queue_2stage = FALSE;
1037 uschar *queue_domains = NULL;
1038 int queue_interval = -1;
1039 BOOL queue_list_requires_admin = TRUE;
1040 uschar *queue_name = US"";
1041 BOOL queue_only = FALSE;
1042 uschar *queue_only_file = NULL;
1043 int queue_only_load = -1;
1044 BOOL queue_only_load_latch = TRUE;
1045 BOOL queue_only_override = TRUE;
1046 BOOL queue_only_policy = FALSE;
1047 BOOL queue_run_first_delivery = FALSE;
1048 BOOL queue_run_force = FALSE;
1049 BOOL queue_run_in_order = FALSE;
1050 BOOL queue_run_local = FALSE;
1051 uschar *queue_run_max = US"5";
1052 pid_t queue_run_pid = (pid_t)0;
1053 int queue_run_pipe = -1;
1054 BOOL queue_running = FALSE;
1055 BOOL queue_smtp = FALSE;
1056 uschar *queue_smtp_domains = NULL;
1057
1058 unsigned int random_seed = 0;
1059 tree_node *ratelimiters_cmd = NULL;
1060 tree_node *ratelimiters_conn = NULL;
1061 tree_node *ratelimiters_mail = NULL;
1062 uschar *raw_active_hostname = NULL;
1063 uschar *raw_sender = NULL;
1064 uschar **raw_recipients = NULL;
1065 int raw_recipients_count = 0;
1066
1067 int rcpt_count = 0;
1068 int rcpt_fail_count = 0;
1069 int rcpt_defer_count = 0;
1070 gid_t real_gid;
1071 uid_t real_uid;
1072 BOOL really_exim = TRUE;
1073 BOOL receive_call_bombout = FALSE;
1074 int receive_linecount = 0;
1075 int receive_messagecount = 0;
1076 int receive_timeout = 0;
1077 int received_count = 0;
1078 uschar *received_for = NULL;
1079
1080 /* This is the default text for Received headers generated by Exim. The
1081 date will be automatically added on the end. */
1082
1083 uschar *received_header_text = US
1084 "Received: "
1085 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1086 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1087 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1088 "by $primary_hostname "
1089 "${if def:received_protocol {with $received_protocol}} "
1090 #ifdef SUPPORT_TLS
1091 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1092 #endif
1093 "(Exim $version_number)\n\t"
1094 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1095 "id $message_exim_id"
1096 "${if def:received_for {\n\tfor $received_for}}"
1097 "\0<---------------Space to patch received_header_text->";
1098
1099 int received_headers_max = 30;
1100 uschar *received_protocol = NULL;
1101 int received_time = 0;
1102 uschar *recipient_data = NULL;
1103 uschar *recipient_unqualified_hosts = NULL;
1104 uschar *recipient_verify_failure = NULL;
1105 int recipients_count = 0;
1106 BOOL recipients_discarded = FALSE;
1107 recipient_item *recipients_list = NULL;
1108 int recipients_list_max = 0;
1109 int recipients_max = 0;
1110 BOOL recipients_max_reject = FALSE;
1111 const pcre *regex_AUTH = NULL;
1112 const pcre *regex_check_dns_names = NULL;
1113 const pcre *regex_From = NULL;
1114 const pcre *regex_IGNOREQUOTA = NULL;
1115 const pcre *regex_PIPELINING = NULL;
1116 const pcre *regex_SIZE = NULL;
1117 const pcre *regex_ismsgid = NULL;
1118 const pcre *regex_smtp_code = NULL;
1119 uschar *regex_vars[REGEX_VARS];
1120 #ifdef WHITELIST_D_MACROS
1121 const pcre *regex_whitelisted_macro = NULL;
1122 #endif
1123 #ifdef WITH_CONTENT_SCAN
1124 uschar *regex_match_string = NULL;
1125 #endif
1126 int remote_delivery_count = 0;
1127 int remote_max_parallel = 2;
1128 uschar *remote_sort_domains = NULL;
1129 int retry_data_expire = 7*24*60*60;
1130 int retry_interval_max = 24*60*60;
1131 int retry_maximum_timeout = 0; /* set from retry config */
1132 retry_config *retries = NULL;
1133 uschar *return_path = NULL;
1134 BOOL return_path_remove = TRUE;
1135 int rewrite_existflags = 0;
1136 uschar *rfc1413_hosts = US"@[]";
1137 int rfc1413_query_timeout = 0;
1138 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1139 uid_t root_gid = ROOT_GID;
1140 uid_t root_uid = ROOT_UID;
1141
1142 router_instance *routers = NULL;
1143 router_instance router_defaults = {
1144 NULL, /* chain pointer */
1145 NULL, /* name */
1146 NULL, /* info */
1147 NULL, /* private options block pointer */
1148 NULL, /* driver name */
1149
1150 NULL, /* address_data */
1151 #ifdef EXPERIMENTAL_BRIGHTMAIL
1152 NULL, /* bmi_rule */
1153 #endif
1154 NULL, /* cannot_route_message */
1155 NULL, /* condition */
1156 NULL, /* current_directory */
1157 NULL, /* debug_string */
1158 NULL, /* domains */
1159 NULL, /* errors_to */
1160 NULL, /* expand_gid */
1161 NULL, /* expand_uid */
1162 NULL, /* expand_more */
1163 NULL, /* expand_unseen */
1164 NULL, /* extra_headers */
1165 NULL, /* fallback_hosts */
1166 NULL, /* home_directory */
1167 NULL, /* ignore_target_hosts */
1168 NULL, /* local_parts */
1169 NULL, /* pass_router_name */
1170 NULL, /* prefix */
1171 NULL, /* redirect_router_name */
1172 NULL, /* remove_headers */
1173 NULL, /* require_files */
1174 NULL, /* router_home_directory */
1175 US"freeze", /* self */
1176 NULL, /* senders */
1177 NULL, /* suffix */
1178 NULL, /* translate_ip_address */
1179 NULL, /* transport_name */
1180
1181 TRUE, /* address_test */
1182 #ifdef EXPERIMENTAL_BRIGHTMAIL
1183 FALSE, /* bmi_deliver_alternate */
1184 FALSE, /* bmi_deliver_default */
1185 FALSE, /* bmi_dont_deliver */
1186 #endif
1187 TRUE, /* expn */
1188 FALSE, /* caseful_local_part */
1189 FALSE, /* check_local_user */
1190 FALSE, /* disable_logging */
1191 FALSE, /* fail_verify_recipient */
1192 FALSE, /* fail_verify_sender */
1193 FALSE, /* gid_set */
1194 FALSE, /* initgroups */
1195 TRUE_UNSET, /* log_as_local */
1196 TRUE, /* more */
1197 FALSE, /* pass_on_timeout */
1198 FALSE, /* prefix_optional */
1199 TRUE, /* repeat_use */
1200 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1201 FALSE, /* same_domain_copy_routing */
1202 FALSE, /* self_rewrite */
1203 FALSE, /* suffix_optional */
1204 FALSE, /* verify_only */
1205 TRUE, /* verify_recipient */
1206 TRUE, /* verify_sender */
1207 FALSE, /* uid_set */
1208 FALSE, /* unseen */
1209 FALSE, /* dsn_lasthop */
1210
1211 self_freeze, /* self_code */
1212 (uid_t)(-1), /* uid */
1213 (gid_t)(-1), /* gid */
1214
1215 NULL, /* fallback_hostlist */
1216 NULL, /* transport instance */
1217 NULL, /* pass_router */
1218 NULL, /* redirect_router */
1219
1220 { NULL, NULL }, /* dnssec_domains {require,request} */
1221 };
1222
1223 uschar *router_name = NULL;
1224
1225 ip_address_item *running_interfaces = NULL;
1226 BOOL running_in_test_harness = FALSE;
1227
1228 /* This is a weird one. The following string gets patched in the binary by the
1229 script that sets up a copy of Exim for running in the test harness. It seems
1230 that compilers are now clever, and share constant strings if they can.
1231 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1232 make use of the end of this string in order to save space. So the patching then
1233 wrecks this. We defeat this optimization by adding some additional characters
1234 onto the end of the string. */
1235
1236 uschar *running_status = US">>>running<<<" "\0EXTRA";
1237
1238 int runrc = 0;
1239
1240 uschar *search_error_message = NULL;
1241 BOOL search_find_defer = FALSE;
1242 uschar *self_hostname = NULL;
1243 uschar *sender_address = NULL;
1244 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1245 uschar *sender_address_data = NULL;
1246 BOOL sender_address_forced = FALSE;
1247 uschar *sender_address_unrewritten = NULL;
1248 uschar *sender_data = NULL;
1249 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1250 uschar *sender_fullhost = NULL;
1251 BOOL sender_helo_dnssec = FALSE;
1252 uschar *sender_helo_name = NULL;
1253 uschar **sender_host_aliases = &no_aliases;
1254 uschar *sender_host_address = NULL;
1255 uschar *sender_host_authenticated = NULL;
1256 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1257 BOOL sender_host_dnssec = FALSE;
1258 uschar *sender_host_name = NULL;
1259 int sender_host_port = 0;
1260 BOOL sender_host_notsocket = FALSE;
1261 BOOL sender_host_unknown = FALSE;
1262 uschar *sender_ident = NULL;
1263 BOOL sender_local = FALSE;
1264 BOOL sender_name_forced = FALSE;
1265 uschar *sender_rate = NULL;
1266 uschar *sender_rate_limit = NULL;
1267 uschar *sender_rate_period = NULL;
1268 uschar *sender_rcvhost = NULL;
1269 BOOL sender_set_untrusted = FALSE;
1270 uschar *sender_unqualified_hosts = NULL;
1271 uschar *sender_verify_failure = NULL;
1272 address_item *sender_verified_list = NULL;
1273 address_item *sender_verified_failed = NULL;
1274 int sender_verified_rc = -1;
1275 BOOL sender_verified_responded = FALSE;
1276 uschar *sending_ip_address = NULL;
1277 int sending_port = -1;
1278 SIGNAL_BOOL sigalrm_seen = FALSE;
1279 uschar **sighup_argv = NULL;
1280 int slow_lookup_log = 0; /* millisecs, zero disables */
1281 int smtp_accept_count = 0;
1282 BOOL smtp_accept_keepalive = TRUE;
1283 int smtp_accept_max = 20;
1284 int smtp_accept_max_nonmail= 10;
1285 uschar *smtp_accept_max_nonmail_hosts = US"*";
1286 int smtp_accept_max_per_connection = 1000;
1287 uschar *smtp_accept_max_per_host = NULL;
1288 int smtp_accept_queue = 0;
1289 int smtp_accept_queue_per_connection = 10;
1290 int smtp_accept_reserve = 0;
1291 uschar *smtp_active_hostname = NULL;
1292 BOOL smtp_authenticated = FALSE;
1293 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1294 "Exim $version_number $tod_full"
1295 "\0<---------------Space to patch smtp_banner->";
1296 BOOL smtp_batched_input = FALSE;
1297 BOOL smtp_check_spool_space = TRUE;
1298 int smtp_ch_index = 0;
1299 uschar *smtp_cmd_argument = NULL;
1300 uschar *smtp_cmd_buffer = NULL;
1301 time_t smtp_connection_start = 0;
1302 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1303 int smtp_connect_backlog = 20;
1304 double smtp_delay_mail = 0.0;
1305 double smtp_delay_rcpt = 0.0;
1306 BOOL smtp_enforce_sync = TRUE;
1307 FILE *smtp_in = NULL;
1308 BOOL smtp_input = FALSE;
1309 int smtp_load_reserve = -1;
1310 int smtp_mailcmd_count = 0;
1311 FILE *smtp_out = NULL;
1312 uschar *smtp_etrn_command = NULL;
1313 BOOL smtp_etrn_serialize = TRUE;
1314 int smtp_max_synprot_errors= 3;
1315 int smtp_max_unknown_commands = 3;
1316 uschar *smtp_notquit_reason = NULL;
1317 uschar *smtp_ratelimit_hosts = NULL;
1318 uschar *smtp_ratelimit_mail = NULL;
1319 uschar *smtp_ratelimit_rcpt = NULL;
1320 uschar *smtp_read_error = US"";
1321 int smtp_receive_timeout = 5*60;
1322 uschar *smtp_receive_timeout_s = NULL;
1323 uschar *smtp_reserve_hosts = NULL;
1324 BOOL smtp_return_error_details = FALSE;
1325 int smtp_rlm_base = 0;
1326 double smtp_rlm_factor = 0.0;
1327 int smtp_rlm_limit = 0;
1328 int smtp_rlm_threshold = INT_MAX;
1329 int smtp_rlr_base = 0;
1330 double smtp_rlr_factor = 0.0;
1331 int smtp_rlr_limit = 0;
1332 int smtp_rlr_threshold = INT_MAX;
1333 unsigned smtp_peer_options = 0;
1334 unsigned smtp_peer_options_wrap= 0;
1335 #ifdef SUPPORT_I18N
1336 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1337 #endif
1338
1339 #ifdef WITH_CONTENT_SCAN
1340 uschar *spamd_address = US"127.0.0.1 783";
1341 uschar *spam_bar = NULL;
1342 uschar *spam_report = NULL;
1343 uschar *spam_action = NULL;
1344 uschar *spam_score = NULL;
1345 uschar *spam_score_int = NULL;
1346 #endif
1347 #ifdef EXPERIMENTAL_SPF
1348 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1349 uschar *spf_header_comment = NULL;
1350 uschar *spf_received = NULL;
1351 uschar *spf_result = NULL;
1352 uschar *spf_smtp_comment = NULL;
1353 #endif
1354
1355 BOOL split_spool_directory = FALSE;
1356 uschar *spool_directory = US SPOOL_DIRECTORY
1357 "\0<--------------Space to patch spool_directory->";
1358 #ifdef EXPERIMENTAL_SRS
1359 uschar *srs_config = NULL;
1360 uschar *srs_db_address = NULL;
1361 uschar *srs_db_key = NULL;
1362 int srs_hashlength = 6;
1363 int srs_hashmin = -1;
1364 int srs_maxage = 31;
1365 uschar *srs_orig_recipient = NULL;
1366 uschar *srs_orig_sender = NULL;
1367 uschar *srs_recipient = NULL;
1368 uschar *srs_secrets = NULL;
1369 uschar *srs_status = NULL;
1370 BOOL srs_usehash = TRUE;
1371 BOOL srs_usetimestamp = TRUE;
1372 #endif
1373 BOOL strict_acl_vars = FALSE;
1374 int string_datestamp_offset= -1;
1375 int string_datestamp_length= 0;
1376 int string_datestamp_type = -1;
1377 BOOL strip_excess_angle_brackets = FALSE;
1378 BOOL strip_trailing_dot = FALSE;
1379 uschar *submission_domain = NULL;
1380 BOOL submission_mode = FALSE;
1381 uschar *submission_name = NULL;
1382 BOOL suppress_local_fixups = FALSE;
1383 BOOL suppress_local_fixups_default = FALSE;
1384 BOOL synchronous_delivery = FALSE;
1385 BOOL syslog_duplication = TRUE;
1386 int syslog_facility = LOG_MAIL;
1387 BOOL syslog_pid = TRUE;
1388 uschar *syslog_processname = US"exim";
1389 BOOL syslog_timestamp = TRUE;
1390 uschar *system_filter = NULL;
1391
1392 uschar *system_filter_directory_transport = NULL;
1393 uschar *system_filter_file_transport = NULL;
1394 uschar *system_filter_pipe_transport = NULL;
1395 uschar *system_filter_reply_transport = NULL;
1396
1397 gid_t system_filter_gid = 0;
1398 BOOL system_filter_gid_set = FALSE;
1399 uid_t system_filter_uid = (uid_t)-1;
1400 BOOL system_filter_uid_set = FALSE;
1401 BOOL system_filtering = FALSE;
1402
1403 BOOL tcp_nodelay = TRUE;
1404 #ifdef USE_TCP_WRAPPERS
1405 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1406 #endif
1407 int test_harness_load_avg = 0;
1408 int thismessage_size_limit = 0;
1409 int timeout_frozen_after = 0;
1410 BOOL timestamps_utc = FALSE;
1411
1412 transport_instance *transports = NULL;
1413
1414 transport_instance transport_defaults = {
1415 NULL, /* chain pointer */
1416 NULL, /* name */
1417 NULL, /* info */
1418 NULL, /* private options block pointer */
1419 NULL, /* driver name */
1420 NULL, /* setup entry point */
1421 1, /* batch_max */
1422 NULL, /* batch_id */
1423 NULL, /* home_dir */
1424 NULL, /* current_dir */
1425 NULL, /* expand-multi-domain */
1426 TRUE, /* multi-domain */
1427 FALSE, /* overrides_hosts */
1428 100, /* max_addresses */
1429 500, /* connection_max_messages */
1430 FALSE, /* deliver_as_creator */
1431 FALSE, /* disable_logging */
1432 FALSE, /* initgroups */
1433 FALSE, /* uid_set */
1434 FALSE, /* gid_set */
1435 (uid_t)(-1), /* uid */
1436 (gid_t)(-1), /* gid */
1437 NULL, /* expand_uid */
1438 NULL, /* expand_gid */
1439 NULL, /* warn_message */
1440 NULL, /* shadow */
1441 NULL, /* shadow_condition */
1442 NULL, /* filter_command */
1443 NULL, /* add_headers */
1444 NULL, /* remove_headers */
1445 NULL, /* return_path */
1446 NULL, /* debug_string */
1447 NULL, /* max_parallel */
1448 NULL, /* message_size_limit */
1449 NULL, /* headers_rewrite */
1450 NULL, /* rewrite_rules */
1451 0, /* rewrite_existflags */
1452 300, /* filter_timeout */
1453 FALSE, /* body_only */
1454 FALSE, /* delivery_date_add */
1455 FALSE, /* envelope_to_add */
1456 FALSE, /* headers_only */
1457 FALSE, /* rcpt_include_affixes */
1458 FALSE, /* return_path_add */
1459 FALSE, /* return_output */
1460 FALSE, /* return_fail_output */
1461 FALSE, /* log_output */
1462 FALSE, /* log_fail_output */
1463 FALSE, /* log_defer_output */
1464 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1465 1 nor 0 so can detect unset */
1466 #ifndef DISABLE_EVENT
1467 ,NULL /* event_action */
1468 #endif
1469 };
1470
1471 int transport_count;
1472 uschar *transport_name = NULL;
1473 int transport_newlines;
1474 const uschar **transport_filter_argv = NULL;
1475 int transport_filter_timeout;
1476 BOOL transport_filter_timed_out = FALSE;
1477 int transport_write_timeout= 0;
1478
1479 tree_node *tree_dns_fails = NULL;
1480 tree_node *tree_duplicates = NULL;
1481 tree_node *tree_nonrecipients = NULL;
1482 tree_node *tree_unusable = NULL;
1483
1484 BOOL trusted_caller = FALSE;
1485 BOOL trusted_config = TRUE;
1486 gid_t *trusted_groups = NULL;
1487 uid_t *trusted_users = NULL;
1488 uschar *timezone_string = US TIMEZONE_DEFAULT;
1489
1490 uschar *unknown_login = NULL;
1491 uschar *unknown_username = NULL;
1492 uschar *untrusted_set_sender = NULL;
1493
1494 /* A regex for matching a "From_" line in an incoming message, in the form
1495
1496 From ph10 Fri Jan 5 12:35 GMT 1996
1497
1498 which the "mail" commands send to the MTA (undocumented, of course), or in
1499 the form
1500
1501 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1502
1503 which is apparently used by some UUCPs, despite it not being in RFC 976.
1504 Because of variations in time formats, just match up to the minutes. That
1505 should be sufficient. Examples have been seen of time fields like 12:1:03,
1506 so just require one digit for hours and minutes. The weekday is also absent
1507 in some forms. */
1508
1509 uschar *uucp_from_pattern = US
1510 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1511 "(?:" /* Non-extracting bracket */
1512 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1513 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1514 ")" /* End alternation */
1515 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1516
1517 uschar *uucp_from_sender = US"$1";
1518
1519 uschar *verify_mode = NULL;
1520 uschar *version_copyright =
1521 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1522 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
1523 uschar *version_date = US"?";
1524 uschar *version_cnumber = US"????";
1525 uschar *version_string = US"?";
1526
1527 uschar *warn_message_file = NULL;
1528 int warning_count = 0;
1529 uschar *warnmsg_delay = NULL;
1530 uschar *warnmsg_recipients = NULL;
1531 BOOL write_rejectlog = TRUE;
1532
1533
1534 /* End of globals.c */
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