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[exim.git] / src / src / globals.c
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5/* Copyright (c) University of Cambridge 1995 - 2017 */
6/* See the file NOTICE for conditions of use and distribution. */
7
8/* All the global variables are defined together in this one module, so
9that they are easy to find. */
10
11#include "exim.h"
12
13
14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist 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
38int optionlist_auths_size = nelem(optionlist_auths);
39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
52BOOL opt_perl_taintmode = FALSE;
53#endif
54
55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
64uschar *eldap_ca_cert_dir = NULL;
65uschar *eldap_ca_cert_file = NULL;
66uschar *eldap_cert_file = NULL;
67uschar *eldap_cert_key = NULL;
68uschar *eldap_cipher_suite = NULL;
69uschar *eldap_default_servers = NULL;
70uschar *eldap_require_cert = NULL;
71int eldap_version = -1;
72BOOL eldap_start_tls = FALSE;
73#endif
74
75#ifdef LOOKUP_MYSQL
76uschar *mysql_servers = NULL;
77#endif
78
79#ifdef LOOKUP_ORACLE
80uschar *oracle_servers = NULL;
81#endif
82
83#ifdef LOOKUP_PGSQL
84uschar *pgsql_servers = NULL;
85#endif
86
87#ifdef LOOKUP_REDIS
88uschar *redis_servers = NULL;
89#endif
90
91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
95#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96BOOL move_frozen_messages = FALSE;
97#endif
98
99/* These variables are outside the #ifdef because it keeps the code less
100cluttered in several places (e.g. during logging) if we can always refer to
101them. Also, the tls_ variables are now always visible. */
102
103tls_support tls_in = {
104 .active = -1,
105 .bits = 0,
106 .certificate_verified = FALSE,
107#ifdef EXPERIMENTAL_DANE
108 .dane_verified = FALSE,
109 .tlsa_usage = 0,
110#endif
111 .cipher = NULL,
112 .on_connect = FALSE,
113 .on_connect_ports = NULL,
114 .ourcert = NULL,
115 .peercert = NULL,
116 .peerdn = NULL,
117 .sni = NULL,
118 .ocsp = OCSP_NOT_REQ
119};
120tls_support tls_out = {
121 .active = -1,
122 .bits = 0,
123 .certificate_verified = FALSE,
124#ifdef EXPERIMENTAL_DANE
125 .dane_verified = FALSE,
126 .tlsa_usage = 0,
127#endif
128 .cipher = NULL,
129 .on_connect = FALSE,
130 .on_connect_ports = NULL,
131 .ourcert = NULL,
132 .peercert = NULL,
133 .peerdn = NULL,
134 .sni = NULL,
135 .ocsp = OCSP_NOT_REQ
136};
137
138uschar *dsn_envid = NULL;
139int dsn_ret = 0;
140const pcre *regex_DSN = NULL;
141uschar *dsn_advertise_hosts = NULL;
142
143#ifdef SUPPORT_TLS
144BOOL gnutls_compat_mode = FALSE;
145BOOL gnutls_allow_auto_pkcs11 = FALSE;
146uschar *openssl_options = NULL;
147const pcre *regex_STARTTLS = NULL;
148uschar *tls_advertise_hosts = US"*";
149uschar *tls_certificate = NULL;
150uschar *tls_crl = NULL;
151/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152that's the interop problem which has been observed: GnuTLS suggesting a higher
153bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154int tls_dh_max_bits = 2236;
155uschar *tls_dhparam = NULL;
156uschar *tls_eccurve = US"auto";
157# ifndef DISABLE_OCSP
158uschar *tls_ocsp_file = NULL;
159# endif
160uschar *tls_privatekey = NULL;
161BOOL tls_remember_esmtp = FALSE;
162uschar *tls_require_ciphers = NULL;
163uschar *tls_try_verify_hosts = NULL;
164uschar *tls_verify_certificates= US"system";
165uschar *tls_verify_hosts = NULL;
166#else /*!SUPPORT_TLS*/
167uschar *tls_advertise_hosts = NULL;
168#endif
169
170#ifndef DISABLE_PRDR
171/* Per Recipient Data Response variables */
172BOOL prdr_enable = FALSE;
173BOOL prdr_requested = FALSE;
174const pcre *regex_PRDR = NULL;
175#endif
176
177#ifdef SUPPORT_I18N
178const pcre *regex_UTF8 = NULL;
179#endif
180
181/* Input-reading functions for messages, so we can use special ones for
182incoming TCP/IP. The defaults use stdin. We never need these for any
183stand-alone tests. */
184
185#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
186int (*lwr_receive_getc)(unsigned) = stdin_getc;
187uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
188int (*lwr_receive_ungetc)(int) = stdin_ungetc;
189int (*receive_getc)(unsigned) = stdin_getc;
190uschar * (*receive_getbuf)(unsigned *) = NULL;
191void (*receive_get_cache)(void)= NULL;
192int (*receive_ungetc)(int) = stdin_ungetc;
193int (*receive_feof)(void) = stdin_feof;
194int (*receive_ferror)(void) = stdin_ferror;
195BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
196#endif
197
198
199/* List of per-address expansion variables for clearing and saving/restoring
200when verifying one address while routing/verifying another. We have to have
201the size explicit, because it is referenced from more than one module. */
202
203const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
216 CUSS &deliver_host,
217 CUSS &deliver_home,
218 CUSS &address_file,
219 CUSS &address_pipe,
220 CUSS &self_hostname,
221 NULL };
222
223int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225/* General global variables */
226
227header_line *acl_added_headers = NULL;
228tree_node *acl_anchor = NULL;
229uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231int acl_narg = 0;
232
233int acl_level = 0;
234
235uschar *acl_not_smtp = NULL;
236#ifdef WITH_CONTENT_SCAN
237uschar *acl_not_smtp_mime = NULL;
238#endif
239uschar *acl_not_smtp_start = NULL;
240uschar *acl_removed_headers = NULL;
241uschar *acl_smtp_auth = NULL;
242uschar *acl_smtp_connect = NULL;
243uschar *acl_smtp_data = NULL;
244#ifndef DISABLE_PRDR
245uschar *acl_smtp_data_prdr = US"accept";
246#endif
247#ifndef DISABLE_DKIM
248uschar *acl_smtp_dkim = NULL;
249#endif
250uschar *acl_smtp_etrn = NULL;
251uschar *acl_smtp_expn = NULL;
252uschar *acl_smtp_helo = NULL;
253uschar *acl_smtp_mail = NULL;
254uschar *acl_smtp_mailauth = NULL;
255#ifdef WITH_CONTENT_SCAN
256uschar *acl_smtp_mime = NULL;
257#endif
258uschar *acl_smtp_notquit = NULL;
259uschar *acl_smtp_predata = NULL;
260uschar *acl_smtp_quit = NULL;
261uschar *acl_smtp_rcpt = NULL;
262uschar *acl_smtp_starttls = NULL;
263uschar *acl_smtp_vrfy = NULL;
264
265BOOL acl_temp_details = FALSE;
266tree_node *acl_var_c = NULL;
267tree_node *acl_var_m = NULL;
268uschar *acl_verify_message = NULL;
269string_item *acl_warn_logged = NULL;
270
271/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
273
274uschar *acl_wherenames[] = { US"RCPT",
275 US"MAIL",
276 US"PREDATA",
277 US"MIME",
278 US"DKIM",
279 US"DATA",
280#ifndef DISABLE_PRDR
281 US"PRDR",
282#endif
283 US"non-SMTP",
284 US"AUTH",
285 US"connection",
286 US"ETRN",
287 US"EXPN",
288 US"EHLO or HELO",
289 US"MAILAUTH",
290 US"non-SMTP-start",
291 US"NOTQUIT",
292 US"QUIT",
293 US"STARTTLS",
294 US"VRFY",
295 US"delivery",
296 US"unknown"
297 };
298
299uschar *acl_wherecodes[] = { US"550", /* RCPT */
300 US"550", /* MAIL */
301 US"550", /* PREDATA */
302 US"550", /* MIME */
303 US"550", /* DKIM */
304 US"550", /* DATA */
305#ifndef DISABLE_PRDR
306 US"550", /* RCPT PRDR */
307#endif
308 US"0", /* not SMTP; not relevant */
309 US"503", /* AUTH */
310 US"550", /* connect */
311 US"458", /* ETRN */
312 US"550", /* EXPN */
313 US"550", /* HELO/EHLO */
314 US"0", /* MAILAUTH; not relevant */
315 US"0", /* not SMTP; not relevant */
316 US"0", /* NOTQUIT; not relevant */
317 US"0", /* QUIT; not relevant */
318 US"550", /* STARTTLS */
319 US"252", /* VRFY */
320 US"0", /* delivery; not relevant */
321 US"0" /* unknown; not relevant */
322 };
323
324BOOL active_local_from_check = FALSE;
325BOOL active_local_sender_retain = FALSE;
326BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
327uschar *add_environment = NULL;
328address_item *addr_duplicate = NULL;
329
330address_item address_defaults = {
331 .next = NULL,
332 .parent = NULL,
333 .first = NULL,
334 .dupof = NULL,
335 .start_router = NULL,
336 .router = NULL,
337 .transport = NULL,
338 .host_list = NULL,
339 .host_used = NULL,
340 .fallback_hosts = NULL,
341 .reply = NULL,
342 .retries = NULL,
343 .address = NULL,
344 .unique = NULL,
345 .cc_local_part = NULL,
346 .lc_local_part = NULL,
347 .local_part = NULL,
348 .prefix = NULL,
349 .suffix = NULL,
350 .domain = NULL,
351 .address_retry_key = NULL,
352 .domain_retry_key = NULL,
353 .current_dir = NULL,
354 .home_dir = NULL,
355 .message = NULL,
356 .user_message = NULL,
357 .onetime_parent = NULL,
358 .pipe_expandn = NULL,
359 .return_filename = NULL,
360 .self_hostname = NULL,
361 .shadow_message = NULL,
362#ifdef SUPPORT_TLS
363 .cipher = NULL,
364 .ourcert = NULL,
365 .peercert = NULL,
366 .peerdn = NULL,
367 .ocsp = OCSP_NOT_REQ,
368#endif
369#ifdef EXPERIMENTAL_DSN_INFO
370 .smtp_greeting = NULL,
371 .helo_response = NULL,
372#endif
373 .authenticator = NULL,
374 .auth_id = NULL,
375 .auth_sndr = NULL,
376 .dsn_orcpt = NULL,
377 .dsn_flags = 0,
378 .dsn_aware = 0,
379 .uid = (uid_t)(-1),
380 .gid = (gid_t)(-1),
381 .flags = { 0 },
382 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
383 .localpart_cache = { 0 }, /* localpart_cache - ditto */
384 .mode = -1,
385 .more_errno = 0,
386 .delivery_usec = 0,
387 .basic_errno = ERRNO_UNKNOWNERROR,
388 .child_count = 0,
389 .return_file = -1,
390 .special_action = SPECIAL_NONE,
391 .transport_return = DEFER,
392 .prop = { /* fields that are propagated to children */
393 .address_data = NULL,
394 .domain_data = NULL,
395 .localpart_data = NULL,
396 .errors_address = NULL,
397 .extra_headers = NULL,
398 .remove_headers = NULL,
399#ifdef EXPERIMENTAL_SRS
400 .srs_sender = NULL,
401#endif
402 .ignore_error = FALSE,
403#ifdef SUPPORT_I18N
404 .utf8_msg = FALSE,
405 .utf8_downcvt = FALSE,
406 .utf8_downcvt_maybe = FALSE
407#endif
408 }
409};
410
411uschar *address_file = NULL;
412uschar *address_pipe = NULL;
413BOOL address_test_mode = FALSE;
414tree_node *addresslist_anchor = NULL;
415int addresslist_count = 0;
416gid_t *admin_groups = NULL;
417BOOL admin_user = FALSE;
418BOOL allow_auth_unadvertised= FALSE;
419BOOL allow_domain_literals = FALSE;
420BOOL allow_mx_to_ip = FALSE;
421BOOL allow_unqualified_recipient = TRUE; /* For local messages */
422BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
423BOOL allow_utf8_domains = FALSE;
424uschar *authenticated_fail_id = NULL;
425uschar *authenticated_id = NULL;
426uschar *authenticated_sender = NULL;
427BOOL authentication_failed = FALSE;
428auth_instance *auths = NULL;
429uschar *auth_advertise_hosts = US"*";
430auth_instance auth_defaults = {
431 .next = NULL,
432 .name = NULL,
433 .info = NULL,
434 .options_block = NULL,
435 .driver_name = NULL,
436 .advertise_condition = NULL,
437 .client_condition = NULL,
438 .public_name = NULL,
439 .set_id = NULL,
440 .set_client_id = NULL,
441 .mail_auth_condition = NULL,
442 .server_debug_string = NULL,
443 .server_condition = NULL,
444 .client = FALSE,
445 .server = FALSE,
446 .advertised = FALSE
447};
448
449uschar *auth_defer_msg = US"reason not recorded";
450uschar *auth_defer_user_msg = US"";
451uschar *auth_vars[AUTH_VARS];
452int auto_thaw = 0;
453#ifdef WITH_CONTENT_SCAN
454BOOL av_failed = FALSE;
455uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
456#endif
457
458BOOL background_daemon = TRUE;
459
460#if BASE_62 == 62
461uschar *base62_chars=
462 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
463#else
464uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
465#endif
466
467uschar *bi_command = NULL;
468uschar *big_buffer = NULL;
469int big_buffer_size = BIG_BUFFER_SIZE;
470#ifdef EXPERIMENTAL_BRIGHTMAIL
471uschar *bmi_alt_location = NULL;
472uschar *bmi_base64_tracker_verdict = NULL;
473uschar *bmi_base64_verdict = NULL;
474uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
475int bmi_deliver = 1;
476int bmi_run = 0;
477uschar *bmi_verdicts = NULL;
478#endif
479int bsmtp_transaction_linecount = 0;
480int body_8bitmime = 0;
481int body_linecount = 0;
482int body_zerocount = 0;
483uschar *bounce_message_file = NULL;
484uschar *bounce_message_text = NULL;
485uschar *bounce_recipient = NULL;
486BOOL bounce_return_body = TRUE;
487int bounce_return_linesize_limit = 998;
488BOOL bounce_return_message = TRUE;
489int bounce_return_size_limit = 100*1024;
490uschar *bounce_sender_authentication = NULL;
491uschar *builtin_macros_create_trigger = NULL;
492
493uschar *callout_address = NULL;
494int callout_cache_domain_positive_expire = 7*24*60*60;
495int callout_cache_domain_negative_expire = 3*60*60;
496int callout_cache_positive_expire = 24*60*60;
497int callout_cache_negative_expire = 2*60*60;
498uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
499uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
500int check_log_inodes = 100;
501int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
502BOOL check_rfc2047_length = TRUE;
503int check_spool_inodes = 100;
504int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
505
506uschar *chunking_advertise_hosts = US"*";
507unsigned chunking_datasize = 0;
508unsigned chunking_data_left = 0;
509BOOL chunking_offered = FALSE;
510chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
511const pcre *regex_CHUNKING = NULL;
512
513uschar *client_authenticator = NULL;
514uschar *client_authenticated_id = NULL;
515uschar *client_authenticated_sender = NULL;
516int clmacro_count = 0;
517uschar *clmacros[MAX_CLMACROS];
518BOOL commandline_checks_require_admin = FALSE;
519BOOL config_changed = FALSE;
520FILE *config_file = NULL;
521const uschar *config_filename = NULL;
522int config_lineno = 0;
523#ifdef CONFIGURE_GROUP
524gid_t config_gid = CONFIGURE_GROUP;
525#else
526gid_t config_gid = 0;
527#endif
528uschar *config_main_filelist = US CONFIGURE_FILE
529 "\0<-----------Space to patch configure_filename->";
530uschar *config_main_filename = NULL;
531uschar *config_main_directory = NULL;
532
533#ifdef CONFIGURE_OWNER
534uid_t config_uid = CONFIGURE_OWNER;
535#else
536uid_t config_uid = 0;
537#endif
538
539int connection_max_messages= -1;
540uschar *continue_proxy_cipher = NULL;
541uschar *continue_hostname = NULL;
542uschar *continue_host_address = NULL;
543BOOL continue_more = FALSE;
544int continue_sequence = 1;
545uschar *continue_transport = NULL;
546
547uschar *csa_status = NULL;
548cut_t cutthrough = {
549 .callout_hold_only = FALSE, /* verify-only: normal delivery */
550 .delivery = FALSE, /* when to attempt */
551 .defer_pass = FALSE, /* on defer: spool locally */
552 .is_tls = FALSE, /* not a TLS conn yet */
553 .fd = -1, /* open connection */
554 .nrcpt = 0, /* number of addresses */
555};
556
557BOOL daemon_listen = FALSE;
558uschar *daemon_smtp_port = US"smtp";
559int daemon_startup_retries = 9;
560int daemon_startup_sleep = 30;
561
562#ifdef EXPERIMENTAL_DCC
563BOOL dcc_direct_add_header = FALSE;
564uschar *dcc_header = NULL;
565uschar *dcc_result = NULL;
566uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
567uschar *dccifd_options = US"header";
568#endif
569
570BOOL debug_daemon = FALSE;
571int debug_fd = -1;
572FILE *debug_file = NULL;
573int debug_notall[] = {
574 Di_memory,
575 -1
576};
577bit_table debug_options[] = { /* must be in alphabetical order */
578 BIT_TABLE(D, acl),
579 BIT_TABLE(D, all),
580 BIT_TABLE(D, auth),
581 BIT_TABLE(D, deliver),
582 BIT_TABLE(D, dns),
583 BIT_TABLE(D, dnsbl),
584 BIT_TABLE(D, exec),
585 BIT_TABLE(D, expand),
586 BIT_TABLE(D, filter),
587 BIT_TABLE(D, hints_lookup),
588 BIT_TABLE(D, host_lookup),
589 BIT_TABLE(D, ident),
590 BIT_TABLE(D, interface),
591 BIT_TABLE(D, lists),
592 BIT_TABLE(D, load),
593 BIT_TABLE(D, local_scan),
594 BIT_TABLE(D, lookup),
595 BIT_TABLE(D, memory),
596 BIT_TABLE(D, pid),
597 BIT_TABLE(D, process_info),
598 BIT_TABLE(D, queue_run),
599 BIT_TABLE(D, receive),
600 BIT_TABLE(D, resolver),
601 BIT_TABLE(D, retry),
602 BIT_TABLE(D, rewrite),
603 BIT_TABLE(D, route),
604 BIT_TABLE(D, timestamp),
605 BIT_TABLE(D, tls),
606 BIT_TABLE(D, transport),
607 BIT_TABLE(D, uid),
608 BIT_TABLE(D, verify),
609};
610int debug_options_count = nelem(debug_options);
611
612unsigned int debug_selector = 0;
613BOOL debug_store = FALSE;
614int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
615uschar *delay_warning_condition=
616 US"${if or {"
617 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
618 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
619 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
620 "} {no}{yes}}";
621BOOL delivery_date_remove = TRUE;
622uschar *deliver_address_data = NULL;
623int deliver_datafile = -1;
624const uschar *deliver_domain = NULL;
625uschar *deliver_domain_data = NULL;
626const uschar *deliver_domain_orig = NULL;
627const uschar *deliver_domain_parent = NULL;
628BOOL deliver_drop_privilege = FALSE;
629BOOL deliver_firsttime = FALSE;
630BOOL deliver_force = FALSE;
631BOOL deliver_freeze = FALSE;
632time_t deliver_frozen_at = 0;
633uschar *deliver_home = NULL;
634const uschar *deliver_host = NULL;
635const uschar *deliver_host_address = NULL;
636int deliver_host_port = 0;
637uschar *deliver_in_buffer = NULL;
638ino_t deliver_inode = 0;
639uschar *deliver_localpart = NULL;
640uschar *deliver_localpart_data = NULL;
641uschar *deliver_localpart_orig = NULL;
642uschar *deliver_localpart_parent = NULL;
643uschar *deliver_localpart_prefix = NULL;
644uschar *deliver_localpart_suffix = NULL;
645BOOL deliver_force_thaw = FALSE;
646BOOL deliver_manual_thaw = FALSE;
647uschar *deliver_out_buffer = NULL;
648int deliver_queue_load_max = -1;
649address_item *deliver_recipients = NULL;
650uschar *deliver_selectstring = NULL;
651BOOL deliver_selectstring_regex = FALSE;
652uschar *deliver_selectstring_sender = NULL;
653BOOL deliver_selectstring_sender_regex = FALSE;
654BOOL disable_callout_flush = FALSE;
655BOOL disable_delay_flush = FALSE;
656#ifdef ENABLE_DISABLE_FSYNC
657BOOL disable_fsync = FALSE;
658#endif
659BOOL disable_ipv6 = FALSE;
660BOOL disable_logging = FALSE;
661
662#ifndef DISABLE_DKIM
663BOOL dkim_collect_input = FALSE;
664uschar *dkim_cur_signer = NULL;
665BOOL dkim_disable_verify = FALSE;
666int dkim_key_length = 0;
667uschar *dkim_signers = NULL;
668uschar *dkim_signing_domain = NULL;
669uschar *dkim_signing_selector = NULL;
670uschar *dkim_verify_signers = US"$dkim_signers";
671#endif
672#ifdef EXPERIMENTAL_DMARC
673BOOL dmarc_has_been_checked = FALSE;
674uschar *dmarc_ar_header = NULL;
675uschar *dmarc_domain_policy = NULL;
676uschar *dmarc_forensic_sender = NULL;
677uschar *dmarc_history_file = NULL;
678uschar *dmarc_status = NULL;
679uschar *dmarc_status_text = NULL;
680uschar *dmarc_tld_file = NULL;
681uschar *dmarc_used_domain = NULL;
682BOOL dmarc_disable_verify = FALSE;
683BOOL dmarc_enable_forensic = FALSE;
684#endif
685
686uschar *dns_again_means_nonexist = NULL;
687int dns_csa_search_limit = 5;
688BOOL dns_csa_use_reverse = TRUE;
689#ifdef EXPERIMENTAL_DANE
690int dns_dane_ok = -1;
691#endif
692uschar *dns_ipv4_lookup = NULL;
693int dns_retrans = 0;
694int dns_retry = 0;
695int dns_dnssec_ok = -1; /* <0 = not coerced */
696uschar *dns_trust_aa = NULL;
697int dns_use_edns0 = -1; /* <0 = not coerced */
698uschar *dnslist_domain = NULL;
699uschar *dnslist_matched = NULL;
700uschar *dnslist_text = NULL;
701uschar *dnslist_value = NULL;
702tree_node *domainlist_anchor = NULL;
703int domainlist_count = 0;
704BOOL dont_deliver = FALSE;
705BOOL dot_ends = TRUE;
706BOOL drop_cr = FALSE; /* No longer used */
707uschar *dsn_from = US DEFAULT_DSN_FROM;
708
709BOOL enable_dollar_recipients = FALSE;
710BOOL envelope_to_remove = TRUE;
711int errno_quota = ERRNO_QUOTA;
712uschar *errors_copy = NULL;
713int error_handling = ERRORS_SENDER;
714uschar *errors_reply_to = NULL;
715int errors_sender_rc = EXIT_FAILURE;
716#ifndef DISABLE_EVENT
717uschar *event_action = NULL; /* expansion for delivery events */
718uschar *event_data = NULL; /* auxiliary data variable for event */
719int event_defer_errno = 0;
720const uschar *event_name = NULL; /* event name variable */
721#endif
722
723
724gid_t exim_gid = EXIM_GID;
725BOOL exim_gid_set = TRUE; /* This gid is always set */
726uschar *exim_path = US BIN_DIRECTORY "/exim"
727 "\0<---------------Space to patch exim_path->";
728uid_t exim_uid = EXIM_UID;
729BOOL exim_uid_set = TRUE; /* This uid is always set */
730int expand_level = 0; /* Nesting depth, indent for debug */
731int expand_forbid = 0;
732int expand_nlength[EXPAND_MAXN+1];
733int expand_nmax = -1;
734uschar *expand_nstring[EXPAND_MAXN+1];
735BOOL expand_string_forcedfail = FALSE;
736uschar *expand_string_message;
737BOOL extract_addresses_remove_arguments = TRUE;
738uschar *extra_local_interfaces = NULL;
739
740int fake_response = OK;
741uschar *fake_response_text = US"Your message has been rejected but is "
742 "being kept for evaluation.\nIf it was a "
743 "legitimate message, it may still be "
744 "delivered to the target recipient(s).";
745int filter_n[FILTER_VARIABLE_COUNT];
746BOOL filter_running = FALSE;
747int filter_sn[FILTER_VARIABLE_COUNT];
748int filter_test = FTEST_NONE;
749uschar *filter_test_sfile = NULL;
750uschar *filter_test_ufile = NULL;
751uschar *filter_thisaddress = NULL;
752int finduser_retries = 0;
753uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
754uschar *freeze_tell = NULL;
755uschar *freeze_tell_config = NULL;
756uschar *fudged_queue_times = US"";
757
758uschar *gecos_name = NULL;
759uschar *gecos_pattern = NULL;
760rewrite_rule *global_rewrite_rules = NULL;
761
762uschar *headers_charset = US HEADERS_CHARSET;
763int header_insert_maxlen = 64 * 1024;
764header_line *header_last = NULL;
765header_line *header_list = NULL;
766int header_maxsize = HEADER_MAXSIZE;
767int header_line_maxsize = 0;
768
769header_name header_names[] = {
770 /* name len allow_resent htype */
771 { US"bcc", 3, TRUE, htype_bcc },
772 { US"cc", 2, TRUE, htype_cc },
773 { US"date", 4, TRUE, htype_date },
774 { US"delivery-date", 13, FALSE, htype_delivery_date },
775 { US"envelope-to", 11, FALSE, htype_envelope_to },
776 { US"from", 4, TRUE, htype_from },
777 { US"message-id", 10, TRUE, htype_id },
778 { US"received", 8, FALSE, htype_received },
779 { US"reply-to", 8, FALSE, htype_reply_to },
780 { US"return-path", 11, FALSE, htype_return_path },
781 { US"sender", 6, TRUE, htype_sender },
782 { US"subject", 7, FALSE, htype_subject },
783 { US"to", 2, TRUE, htype_to }
784};
785
786int header_names_size = sizeof(header_names)/sizeof(header_name);
787
788BOOL header_rewritten = FALSE;
789uschar *helo_accept_junk_hosts = NULL;
790uschar *helo_allow_chars = US"";
791uschar *helo_lookup_domains = US"@ : @[]";
792uschar *helo_try_verify_hosts = NULL;
793BOOL helo_verified = FALSE;
794BOOL helo_verify_failed = FALSE;
795uschar *helo_verify_hosts = NULL;
796const uschar *hex_digits = CUS"0123456789abcdef";
797uschar *hold_domains = NULL;
798BOOL host_checking = FALSE;
799BOOL host_checking_callout = FALSE;
800uschar *host_data = NULL;
801BOOL host_find_failed_syntax= FALSE;
802uschar *host_lookup = NULL;
803BOOL host_lookup_deferred = FALSE;
804BOOL host_lookup_failed = FALSE;
805uschar *host_lookup_order = US"bydns:byaddr";
806uschar *host_lookup_msg = US"";
807int host_number = 0;
808uschar *host_number_string = NULL;
809uschar *host_reject_connection = NULL;
810tree_node *hostlist_anchor = NULL;
811int hostlist_count = 0;
812uschar *hosts_treat_as_local = NULL;
813uschar *hosts_connection_nolog = NULL;
814
815int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
816BOOL ignore_fromline_local = FALSE;
817uschar *ignore_fromline_hosts = NULL;
818BOOL inetd_wait_mode = FALSE;
819int inetd_wait_timeout = -1;
820uschar *initial_cwd = NULL;
821uschar *interface_address = NULL;
822int interface_port = -1;
823BOOL is_inetd = FALSE;
824uschar *iterate_item = NULL;
825
826int journal_fd = -1;
827
828uschar *keep_environment = NULL;
829
830int keep_malformed = 4*24*60*60; /* 4 days */
831
832uschar *eldap_dn = NULL;
833int load_average = -2;
834BOOL local_error_message = FALSE;
835BOOL local_from_check = TRUE;
836uschar *local_from_prefix = NULL;
837uschar *local_from_suffix = NULL;
838
839#if HAVE_IPV6
840uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
841#else
842uschar *local_interfaces = US"0.0.0.0";
843#endif
844
845uschar *local_scan_data = NULL;
846int local_scan_timeout = 5*60;
847BOOL local_sender_retain = FALSE;
848gid_t local_user_gid = (gid_t)(-1);
849uid_t local_user_uid = (uid_t)(-1);
850
851tree_node *localpartlist_anchor= NULL;
852int localpartlist_count = 0;
853uschar *log_buffer = NULL;
854
855int log_default[] = { /* for initializing log_selector */
856 Li_acl_warn_skipped,
857 Li_connection_reject,
858 Li_delay_delivery,
859 Li_dnslist_defer,
860 Li_etrn,
861 Li_host_lookup_failed,
862 Li_lost_incoming_connection,
863 Li_outgoing_interface, /* see d_log_interface in deliver.c */
864 Li_queue_run,
865 Li_rejected_header,
866 Li_retry_defer,
867 Li_sender_verify_fail,
868 Li_size_reject,
869 Li_skip_delivery,
870 Li_smtp_confirmation,
871 Li_tls_certificate_verified,
872 Li_tls_cipher,
873 -1
874};
875
876uschar *log_file_path = US LOG_FILE_PATH
877 "\0<--------------Space to patch log_file_path->";
878
879int log_notall[] = {
880 -1
881};
882bit_table log_options[] = { /* must be in alphabetical order */
883 BIT_TABLE(L, 8bitmime),
884 BIT_TABLE(L, acl_warn_skipped),
885 BIT_TABLE(L, address_rewrite),
886 BIT_TABLE(L, all),
887 BIT_TABLE(L, all_parents),
888 BIT_TABLE(L, arguments),
889 BIT_TABLE(L, connection_reject),
890 BIT_TABLE(L, delay_delivery),
891 BIT_TABLE(L, deliver_time),
892 BIT_TABLE(L, delivery_size),
893 BIT_TABLE(L, dnslist_defer),
894 BIT_TABLE(L, dnssec),
895 BIT_TABLE(L, etrn),
896 BIT_TABLE(L, host_lookup_failed),
897 BIT_TABLE(L, ident_timeout),
898 BIT_TABLE(L, incoming_interface),
899 BIT_TABLE(L, incoming_port),
900 BIT_TABLE(L, lost_incoming_connection),
901 BIT_TABLE(L, millisec),
902 BIT_TABLE(L, outgoing_interface),
903 BIT_TABLE(L, outgoing_port),
904 BIT_TABLE(L, pid),
905#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
906 BIT_TABLE(L, proxy),
907#endif
908 BIT_TABLE(L, queue_run),
909 BIT_TABLE(L, queue_time),
910 BIT_TABLE(L, queue_time_overall),
911 BIT_TABLE(L, received_recipients),
912 BIT_TABLE(L, received_sender),
913 BIT_TABLE(L, rejected_header),
914 { US"rejected_headers", Li_rejected_header },
915 BIT_TABLE(L, retry_defer),
916 BIT_TABLE(L, return_path_on_delivery),
917 BIT_TABLE(L, sender_on_delivery),
918 BIT_TABLE(L, sender_verify_fail),
919 BIT_TABLE(L, size_reject),
920 BIT_TABLE(L, skip_delivery),
921 BIT_TABLE(L, smtp_confirmation),
922 BIT_TABLE(L, smtp_connection),
923 BIT_TABLE(L, smtp_incomplete_transaction),
924 BIT_TABLE(L, smtp_mailauth),
925 BIT_TABLE(L, smtp_no_mail),
926 BIT_TABLE(L, smtp_protocol_error),
927 BIT_TABLE(L, smtp_syntax_error),
928 BIT_TABLE(L, subject),
929 BIT_TABLE(L, tls_certificate_verified),
930 BIT_TABLE(L, tls_cipher),
931 BIT_TABLE(L, tls_peerdn),
932 BIT_TABLE(L, tls_sni),
933 BIT_TABLE(L, unknown_in_list),
934};
935int log_options_count = nelem(log_options);
936
937int log_reject_target = 0;
938unsigned int log_selector[log_selector_size]; /* initialized in main() */
939uschar *log_selector_string = NULL;
940FILE *log_stderr = NULL;
941BOOL log_testing_mode = FALSE;
942BOOL log_timezone = FALSE;
943uschar *login_sender_address = NULL;
944uschar *lookup_dnssec_authenticated = NULL;
945int lookup_open_max = 25;
946uschar *lookup_value = NULL;
947
948uschar *mailstore_basename = NULL;
949#ifdef WITH_CONTENT_SCAN
950uschar *malware_name = NULL; /* Virus Name */
951#endif
952int max_received_linelength= 0;
953int max_username_length = 0;
954int message_age = 0;
955uschar *message_body = NULL;
956uschar *message_body_end = NULL;
957BOOL message_body_newlines = FALSE;
958int message_body_size = 0;
959int message_body_visible = 500;
960int message_ended = END_NOTSTARTED;
961uschar *message_headers = NULL;
962uschar *message_id;
963uschar *message_id_domain = NULL;
964uschar *message_id_text = NULL;
965struct timeval message_id_tv = { 0, 0 };
966uschar message_id_option[MESSAGE_ID_LENGTH + 3];
967uschar *message_id_external;
968int message_linecount = 0;
969BOOL message_logs = TRUE;
970int message_size = 0;
971uschar *message_size_limit = US"50M";
972#ifdef SUPPORT_I18N
973BOOL message_smtputf8 = FALSE;
974int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
975#endif
976uschar message_subdir[2] = { 0, 0 };
977uschar *message_reference = NULL;
978
979/* MIME ACL expandables */
980#ifdef WITH_CONTENT_SCAN
981int mime_anomaly_level = 0;
982const uschar *mime_anomaly_text = NULL;
983uschar *mime_boundary = NULL;
984uschar *mime_charset = NULL;
985uschar *mime_content_description = NULL;
986uschar *mime_content_disposition = NULL;
987uschar *mime_content_id = NULL;
988unsigned int mime_content_size = 0;
989uschar *mime_content_transfer_encoding = NULL;
990uschar *mime_content_type = NULL;
991uschar *mime_decoded_filename = NULL;
992uschar *mime_filename = NULL;
993int mime_is_multipart = 0;
994int mime_is_coverletter = 0;
995int mime_is_rfc822 = 0;
996int mime_part_count = -1;
997#endif
998
999BOOL mua_wrapper = FALSE;
1000
1001uid_t *never_users = NULL;
1002#ifdef WITH_CONTENT_SCAN
1003BOOL no_mbox_unspool = FALSE;
1004#endif
1005BOOL no_multiline_responses = FALSE;
1006
1007const int on = 1; /* for setsockopt */
1008const int off = 0;
1009
1010uid_t original_euid;
1011gid_t originator_gid;
1012uschar *originator_login = NULL;
1013uschar *originator_name = NULL;
1014uid_t originator_uid;
1015uschar *override_local_interfaces = NULL;
1016uschar *override_pid_file_path = NULL;
1017
1018BOOL parse_allow_group = FALSE;
1019BOOL parse_found_group = FALSE;
1020uschar *percent_hack_domains = NULL;
1021uschar *pid_file_path = US PID_FILE_PATH
1022 "\0<--------------Space to patch pid_file_path->";
1023BOOL pipelining_enable = TRUE;
1024uschar *pipelining_advertise_hosts = US"*";
1025BOOL preserve_message_logs = FALSE;
1026uschar *primary_hostname = NULL;
1027BOOL print_topbitchars = FALSE;
1028uschar process_info[PROCESS_INFO_SIZE];
1029int process_info_len = 0;
1030uschar *process_log_path = NULL;
1031BOOL prod_requires_admin = TRUE;
1032
1033#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1034uschar *hosts_proxy = US"";
1035uschar *proxy_external_address = US"";
1036int proxy_external_port = 0;
1037uschar *proxy_local_address = US"";
1038int proxy_local_port = 0;
1039BOOL proxy_session = FALSE;
1040BOOL proxy_session_failed = FALSE;
1041#endif
1042
1043uschar *prvscheck_address = NULL;
1044uschar *prvscheck_keynum = NULL;
1045uschar *prvscheck_result = NULL;
1046
1047
1048const uschar *qualify_domain_recipient = NULL;
1049uschar *qualify_domain_sender = NULL;
1050BOOL queue_2stage = FALSE;
1051uschar *queue_domains = NULL;
1052int queue_interval = -1;
1053BOOL queue_list_requires_admin = TRUE;
1054uschar *queue_name = US"";
1055BOOL queue_only = FALSE;
1056uschar *queue_only_file = NULL;
1057int queue_only_load = -1;
1058BOOL queue_only_load_latch = TRUE;
1059BOOL queue_only_override = TRUE;
1060BOOL queue_only_policy = FALSE;
1061BOOL queue_run_first_delivery = FALSE;
1062BOOL queue_run_force = FALSE;
1063BOOL queue_run_in_order = FALSE;
1064BOOL queue_run_local = FALSE;
1065uschar *queue_run_max = US"5";
1066pid_t queue_run_pid = (pid_t)0;
1067int queue_run_pipe = -1;
1068BOOL queue_running = FALSE;
1069BOOL queue_smtp = FALSE;
1070uschar *queue_smtp_domains = NULL;
1071
1072unsigned int random_seed = 0;
1073tree_node *ratelimiters_cmd = NULL;
1074tree_node *ratelimiters_conn = NULL;
1075tree_node *ratelimiters_mail = NULL;
1076uschar *raw_active_hostname = NULL;
1077uschar *raw_sender = NULL;
1078uschar **raw_recipients = NULL;
1079int raw_recipients_count = 0;
1080
1081int rcpt_count = 0;
1082int rcpt_fail_count = 0;
1083int rcpt_defer_count = 0;
1084gid_t real_gid;
1085uid_t real_uid;
1086BOOL really_exim = TRUE;
1087BOOL receive_call_bombout = FALSE;
1088int receive_linecount = 0;
1089int receive_messagecount = 0;
1090int receive_timeout = 0;
1091int received_count = 0;
1092uschar *received_for = NULL;
1093
1094/* This is the default text for Received headers generated by Exim. The
1095date will be automatically added on the end. */
1096
1097uschar *received_header_text = US
1098 "Received: "
1099 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1100 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1101 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1102 "by $primary_hostname "
1103 "${if def:received_protocol {with $received_protocol}} "
1104 #ifdef SUPPORT_TLS
1105 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1106 #endif
1107 "(Exim $version_number)\n\t"
1108 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1109 "id $message_exim_id"
1110 "${if def:received_for {\n\tfor $received_for}}"
1111 "\0<---------------Space to patch received_header_text->";
1112
1113int received_headers_max = 30;
1114uschar *received_protocol = NULL;
1115struct timeval received_time = { 0, 0 };
1116uschar *recipient_data = NULL;
1117uschar *recipient_unqualified_hosts = NULL;
1118uschar *recipient_verify_failure = NULL;
1119int recipients_count = 0;
1120BOOL recipients_discarded = FALSE;
1121recipient_item *recipients_list = NULL;
1122int recipients_list_max = 0;
1123int recipients_max = 0;
1124BOOL recipients_max_reject = FALSE;
1125const pcre *regex_AUTH = NULL;
1126const pcre *regex_check_dns_names = NULL;
1127const pcre *regex_From = NULL;
1128const pcre *regex_IGNOREQUOTA = NULL;
1129const pcre *regex_PIPELINING = NULL;
1130const pcre *regex_SIZE = NULL;
1131const pcre *regex_ismsgid = NULL;
1132const pcre *regex_smtp_code = NULL;
1133uschar *regex_vars[REGEX_VARS];
1134#ifdef WHITELIST_D_MACROS
1135const pcre *regex_whitelisted_macro = NULL;
1136#endif
1137#ifdef WITH_CONTENT_SCAN
1138uschar *regex_match_string = NULL;
1139#endif
1140int remote_delivery_count = 0;
1141int remote_max_parallel = 2;
1142uschar *remote_sort_domains = NULL;
1143int retry_data_expire = 7*24*60*60;
1144int retry_interval_max = 24*60*60;
1145int retry_maximum_timeout = 0; /* set from retry config */
1146retry_config *retries = NULL;
1147uschar *return_path = NULL;
1148BOOL return_path_remove = TRUE;
1149int rewrite_existflags = 0;
1150uschar *rfc1413_hosts = US"@[]";
1151int rfc1413_query_timeout = 0;
1152/* BOOL rfc821_domains = FALSE; <<< on the way out */
1153uid_t root_gid = ROOT_GID;
1154uid_t root_uid = ROOT_UID;
1155
1156router_instance *routers = NULL;
1157router_instance router_defaults = {
1158 .next = NULL,
1159 .name = NULL,
1160 .info = NULL,
1161 .options_block = NULL,
1162 .driver_name = NULL,
1163
1164 .address_data = NULL,
1165#ifdef EXPERIMENTAL_BRIGHTMAIL
1166 .bmi_rule = NULL,
1167#endif
1168 .cannot_route_message = NULL,
1169 .condition = NULL,
1170 .current_directory = NULL,
1171 .debug_string = NULL,
1172 .domains = NULL,
1173 .errors_to = NULL,
1174 .expand_gid = NULL,
1175 .expand_uid = NULL,
1176 .expand_more = NULL,
1177 .expand_unseen = NULL,
1178 .extra_headers = NULL,
1179 .fallback_hosts = NULL,
1180 .home_directory = NULL,
1181 .ignore_target_hosts = NULL,
1182 .local_parts = NULL,
1183 .pass_router_name = NULL,
1184 .prefix = NULL,
1185 .redirect_router_name = NULL,
1186 .remove_headers = NULL,
1187 .require_files = NULL,
1188 .router_home_directory = NULL,
1189 .self = US"freeze",
1190 .senders = NULL,
1191 .suffix = NULL,
1192 .translate_ip_address = NULL,
1193 .transport_name = NULL,
1194
1195 .address_test = TRUE,
1196#ifdef EXPERIMENTAL_BRIGHTMAIL
1197 .bmi_deliver_alternate = FALSE,
1198 .bmi_deliver_default = FALSE,
1199 .bmi_dont_deliver = FALSE,
1200#endif
1201 .expn = TRUE,
1202 .caseful_local_part = FALSE,
1203 .check_local_user = FALSE,
1204 .disable_logging = FALSE,
1205 .fail_verify_recipient = FALSE,
1206 .fail_verify_sender = FALSE,
1207 .gid_set = FALSE,
1208 .initgroups = FALSE,
1209 .log_as_local = TRUE_UNSET,
1210 .more = TRUE,
1211 .pass_on_timeout = FALSE,
1212 .prefix_optional = FALSE,
1213 .repeat_use = TRUE,
1214 .retry_use_local_part = TRUE_UNSET,
1215 .same_domain_copy_routing = FALSE,
1216 .self_rewrite = FALSE,
1217 .suffix_optional = FALSE,
1218 .verify_only = FALSE,
1219 .verify_recipient = TRUE,
1220 .verify_sender = TRUE,
1221 .uid_set = FALSE,
1222 .unseen = FALSE,
1223 .dsn_lasthop = FALSE,
1224
1225 .self_code = self_freeze,
1226 .uid = (uid_t)(-1),
1227 .gid = (gid_t)(-1),
1228
1229 .fallback_hostlist = NULL,
1230 .transport = NULL,
1231 .pass_router = NULL,
1232 .redirect_router = NULL,
1233
1234 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
1235};
1236
1237uschar *router_name = NULL;
1238
1239ip_address_item *running_interfaces = NULL;
1240BOOL running_in_test_harness = FALSE;
1241
1242/* This is a weird one. The following string gets patched in the binary by the
1243script that sets up a copy of Exim for running in the test harness. It seems
1244that compilers are now clever, and share constant strings if they can.
1245Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1246make use of the end of this string in order to save space. So the patching then
1247wrecks this. We defeat this optimization by adding some additional characters
1248onto the end of the string. */
1249
1250uschar *running_status = US">>>running<<<" "\0EXTRA";
1251
1252int runrc = 0;
1253
1254uschar *search_error_message = NULL;
1255BOOL search_find_defer = FALSE;
1256uschar *self_hostname = NULL;
1257uschar *sender_address = NULL;
1258unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1259uschar *sender_address_data = NULL;
1260BOOL sender_address_forced = FALSE;
1261uschar *sender_address_unrewritten = NULL;
1262uschar *sender_data = NULL;
1263unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1264uschar *sender_fullhost = NULL;
1265BOOL sender_helo_dnssec = FALSE;
1266uschar *sender_helo_name = NULL;
1267uschar **sender_host_aliases = &no_aliases;
1268uschar *sender_host_address = NULL;
1269uschar *sender_host_authenticated = NULL;
1270unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1271BOOL sender_host_dnssec = FALSE;
1272uschar *sender_host_name = NULL;
1273int sender_host_port = 0;
1274BOOL sender_host_notsocket = FALSE;
1275BOOL sender_host_unknown = FALSE;
1276uschar *sender_ident = NULL;
1277BOOL sender_local = FALSE;
1278BOOL sender_name_forced = FALSE;
1279uschar *sender_rate = NULL;
1280uschar *sender_rate_limit = NULL;
1281uschar *sender_rate_period = NULL;
1282uschar *sender_rcvhost = NULL;
1283BOOL sender_set_untrusted = FALSE;
1284uschar *sender_unqualified_hosts = NULL;
1285uschar *sender_verify_failure = NULL;
1286address_item *sender_verified_list = NULL;
1287address_item *sender_verified_failed = NULL;
1288int sender_verified_rc = -1;
1289BOOL sender_verified_responded = FALSE;
1290uschar *sending_ip_address = NULL;
1291int sending_port = -1;
1292SIGNAL_BOOL sigalrm_seen = FALSE;
1293uschar **sighup_argv = NULL;
1294int slow_lookup_log = 0; /* millisecs, zero disables */
1295int smtp_accept_count = 0;
1296BOOL smtp_accept_keepalive = TRUE;
1297int smtp_accept_max = 20;
1298int smtp_accept_max_nonmail= 10;
1299uschar *smtp_accept_max_nonmail_hosts = US"*";
1300int smtp_accept_max_per_connection = 1000;
1301uschar *smtp_accept_max_per_host = NULL;
1302int smtp_accept_queue = 0;
1303int smtp_accept_queue_per_connection = 10;
1304int smtp_accept_reserve = 0;
1305uschar *smtp_active_hostname = NULL;
1306BOOL smtp_authenticated = FALSE;
1307uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1308 "Exim $version_number $tod_full"
1309 "\0<---------------Space to patch smtp_banner->";
1310BOOL smtp_batched_input = FALSE;
1311BOOL smtp_check_spool_space = TRUE;
1312int smtp_ch_index = 0;
1313uschar *smtp_cmd_argument = NULL;
1314uschar *smtp_cmd_buffer = NULL;
1315struct timeval smtp_connection_start = {0,0};
1316uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1317int smtp_connect_backlog = 20;
1318double smtp_delay_mail = 0.0;
1319double smtp_delay_rcpt = 0.0;
1320BOOL smtp_enforce_sync = TRUE;
1321FILE *smtp_in = NULL;
1322BOOL smtp_input = FALSE;
1323int smtp_load_reserve = -1;
1324int smtp_mailcmd_count = 0;
1325FILE *smtp_out = NULL;
1326uschar *smtp_etrn_command = NULL;
1327BOOL smtp_etrn_serialize = TRUE;
1328int smtp_max_synprot_errors= 3;
1329int smtp_max_unknown_commands = 3;
1330uschar *smtp_notquit_reason = NULL;
1331uschar *smtp_ratelimit_hosts = NULL;
1332uschar *smtp_ratelimit_mail = NULL;
1333uschar *smtp_ratelimit_rcpt = NULL;
1334uschar *smtp_read_error = US"";
1335int smtp_receive_timeout = 5*60;
1336uschar *smtp_receive_timeout_s = NULL;
1337uschar *smtp_reserve_hosts = NULL;
1338BOOL smtp_return_error_details = FALSE;
1339int smtp_rlm_base = 0;
1340double smtp_rlm_factor = 0.0;
1341int smtp_rlm_limit = 0;
1342int smtp_rlm_threshold = INT_MAX;
1343int smtp_rlr_base = 0;
1344double smtp_rlr_factor = 0.0;
1345int smtp_rlr_limit = 0;
1346int smtp_rlr_threshold = INT_MAX;
1347unsigned smtp_peer_options = 0;
1348unsigned smtp_peer_options_wrap= 0;
1349#ifdef SUPPORT_I18N
1350uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1351#endif
1352
1353#ifdef WITH_CONTENT_SCAN
1354uschar *spamd_address = US"127.0.0.1 783";
1355uschar *spam_bar = NULL;
1356uschar *spam_report = NULL;
1357uschar *spam_action = NULL;
1358uschar *spam_score = NULL;
1359uschar *spam_score_int = NULL;
1360#endif
1361#ifdef EXPERIMENTAL_SPF
1362uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1363uschar *spf_header_comment = NULL;
1364uschar *spf_received = NULL;
1365uschar *spf_result = NULL;
1366uschar *spf_smtp_comment = NULL;
1367#endif
1368
1369BOOL split_spool_directory = FALSE;
1370uschar *spool_directory = US SPOOL_DIRECTORY
1371 "\0<--------------Space to patch spool_directory->";
1372BOOL spool_file_wireformat = FALSE;
1373BOOL spool_wireformat = FALSE;
1374#ifdef EXPERIMENTAL_SRS
1375uschar *srs_config = NULL;
1376uschar *srs_db_address = NULL;
1377uschar *srs_db_key = NULL;
1378int srs_hashlength = 6;
1379int srs_hashmin = -1;
1380int srs_maxage = 31;
1381uschar *srs_orig_recipient = NULL;
1382uschar *srs_orig_sender = NULL;
1383uschar *srs_recipient = NULL;
1384uschar *srs_secrets = NULL;
1385uschar *srs_status = NULL;
1386BOOL srs_usehash = TRUE;
1387BOOL srs_usetimestamp = TRUE;
1388#endif
1389BOOL strict_acl_vars = FALSE;
1390int string_datestamp_offset= -1;
1391int string_datestamp_length= 0;
1392int string_datestamp_type = -1;
1393BOOL strip_excess_angle_brackets = FALSE;
1394BOOL strip_trailing_dot = FALSE;
1395uschar *submission_domain = NULL;
1396BOOL submission_mode = FALSE;
1397uschar *submission_name = NULL;
1398BOOL suppress_local_fixups = FALSE;
1399BOOL suppress_local_fixups_default = FALSE;
1400BOOL synchronous_delivery = FALSE;
1401BOOL syslog_duplication = TRUE;
1402int syslog_facility = LOG_MAIL;
1403BOOL syslog_pid = TRUE;
1404uschar *syslog_processname = US"exim";
1405BOOL syslog_timestamp = TRUE;
1406uschar *system_filter = NULL;
1407
1408uschar *system_filter_directory_transport = NULL;
1409uschar *system_filter_file_transport = NULL;
1410uschar *system_filter_pipe_transport = NULL;
1411uschar *system_filter_reply_transport = NULL;
1412
1413gid_t system_filter_gid = 0;
1414BOOL system_filter_gid_set = FALSE;
1415uid_t system_filter_uid = (uid_t)-1;
1416BOOL system_filter_uid_set = FALSE;
1417BOOL system_filtering = FALSE;
1418
1419BOOL tcp_fastopen_ok = FALSE;
1420BOOL tcp_in_fastopen = FALSE;
1421BOOL tcp_in_fastopen_logged = FALSE;
1422BOOL tcp_nodelay = TRUE;
1423BOOL tcp_out_fastopen = FALSE;
1424BOOL tcp_out_fastopen_logged= FALSE;
1425#ifdef USE_TCP_WRAPPERS
1426uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1427#endif
1428int test_harness_load_avg = 0;
1429int thismessage_size_limit = 0;
1430int timeout_frozen_after = 0;
1431BOOL timestamps_utc = FALSE;
1432
1433transport_instance *transports = NULL;
1434
1435transport_instance transport_defaults = {
1436 .next = NULL,
1437 .name = NULL,
1438 .info = NULL,
1439 .options_block = NULL,
1440 .driver_name = NULL,
1441 .setup = NULL,
1442 .batch_max = 1,
1443 .batch_id = NULL,
1444 .home_dir = NULL,
1445 .current_dir = NULL,
1446 .expand_multi_domain = NULL,
1447 .multi_domain = TRUE,
1448 .overrides_hosts = FALSE,
1449 .max_addresses = 100,
1450 .connection_max_messages = 500,
1451 .deliver_as_creator = FALSE,
1452 .disable_logging = FALSE,
1453 .initgroups = FALSE,
1454 .uid_set = FALSE,
1455 .gid_set = FALSE,
1456 .uid = (uid_t)(-1),
1457 .gid = (gid_t)(-1),
1458 .expand_uid = NULL,
1459 .expand_gid = NULL,
1460 .warn_message = NULL,
1461 .shadow = NULL,
1462 .shadow_condition = NULL,
1463 .filter_command = NULL,
1464 .add_headers = NULL,
1465 .remove_headers = NULL,
1466 .return_path = NULL,
1467 .debug_string = NULL,
1468 .max_parallel = NULL,
1469 .message_size_limit = NULL,
1470 .headers_rewrite = NULL,
1471 .rewrite_rules = NULL,
1472 .rewrite_existflags = 0,
1473 .filter_timeout = 300,
1474 .body_only = FALSE,
1475 .delivery_date_add = FALSE,
1476 .envelope_to_add = FALSE,
1477 .headers_only = FALSE,
1478 .rcpt_include_affixes = FALSE,
1479 .return_path_add = FALSE,
1480 .return_output = FALSE,
1481 .return_fail_output = FALSE,
1482 .log_output = FALSE,
1483 .log_fail_output = FALSE,
1484 .log_defer_output = FALSE,
1485 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1486 1 nor 0 so can detect unset */
1487#ifndef DISABLE_EVENT
1488 .event_action = NULL
1489#endif
1490};
1491
1492int transport_count;
1493uschar *transport_name = NULL;
1494int transport_newlines;
1495const uschar **transport_filter_argv = NULL;
1496int transport_filter_timeout;
1497BOOL transport_filter_timed_out = FALSE;
1498int transport_write_timeout= 0;
1499
1500tree_node *tree_dns_fails = NULL;
1501tree_node *tree_duplicates = NULL;
1502tree_node *tree_nonrecipients = NULL;
1503tree_node *tree_unusable = NULL;
1504
1505BOOL trusted_caller = FALSE;
1506BOOL trusted_config = TRUE;
1507gid_t *trusted_groups = NULL;
1508uid_t *trusted_users = NULL;
1509uschar *timezone_string = US TIMEZONE_DEFAULT;
1510
1511uschar *unknown_login = NULL;
1512uschar *unknown_username = NULL;
1513uschar *untrusted_set_sender = NULL;
1514
1515/* A regex for matching a "From_" line in an incoming message, in the form
1516
1517 From ph10 Fri Jan 5 12:35 GMT 1996
1518
1519which the "mail" commands send to the MTA (undocumented, of course), or in
1520the form
1521
1522 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1523
1524which is apparently used by some UUCPs, despite it not being in RFC 976.
1525Because of variations in time formats, just match up to the minutes. That
1526should be sufficient. Examples have been seen of time fields like 12:1:03,
1527so just require one digit for hours and minutes. The weekday is also absent
1528in some forms. */
1529
1530uschar *uucp_from_pattern = US
1531 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1532 "(?:" /* Non-extracting bracket */
1533 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1534 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1535 ")" /* End alternation */
1536 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1537
1538uschar *uucp_from_sender = US"$1";
1539
1540uschar *verify_mode = NULL;
1541uschar *version_copyright =
1542 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1543 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1544uschar *version_date = US"?";
1545uschar *version_cnumber = US"????";
1546uschar *version_string = US"?";
1547
1548uschar *warn_message_file = NULL;
1549int warning_count = 0;
1550uschar *warnmsg_delay = NULL;
1551uschar *warnmsg_recipients = NULL;
1552BOOL write_rejectlog = TRUE;
1553
1554
1555/* End of globals.c */
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