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Build: workaround inlining problems on Solaris
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
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. Note that these are
102 only used for smtp connections, not for service-daemon access. */
103
104 tls_support tls_in = {
105 .active = {.sock = -1}
106 /* all other elements zero */
107 };
108 tls_support tls_out = {
109 .active = {.sock = -1},
110 /* all other elements zero */
111 };
112
113 uschar *dsn_envid = NULL;
114 int dsn_ret = 0;
115 const pcre *regex_DSN = NULL;
116 uschar *dsn_advertise_hosts = NULL;
117
118 #ifndef DISABLE_TLS
119 BOOL gnutls_compat_mode = FALSE;
120 BOOL gnutls_allow_auto_pkcs11 = FALSE;
121 uschar *openssl_options = NULL;
122 const pcre *regex_STARTTLS = NULL;
123 uschar *tls_advertise_hosts = US"*";
124 uschar *tls_certificate = NULL;
125 uschar *tls_crl = NULL;
126 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
127 that's the interop problem which has been observed: GnuTLS suggesting a higher
128 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
129 int tls_dh_max_bits = 2236;
130 uschar *tls_dhparam = NULL;
131 uschar *tls_eccurve = US"auto";
132 # ifndef DISABLE_OCSP
133 uschar *tls_ocsp_file = NULL;
134 # endif
135 uschar *tls_privatekey = NULL;
136 BOOL tls_remember_esmtp = FALSE;
137 uschar *tls_require_ciphers = NULL;
138 # ifdef EXPERIMENTAL_TLS_RESUME
139 uschar *tls_resumption_hosts = NULL;
140 # endif
141 uschar *tls_try_verify_hosts = NULL;
142 uschar *tls_verify_certificates= US"system";
143 uschar *tls_verify_hosts = NULL;
144 #else /*DISABLE_TLS*/
145 uschar *tls_advertise_hosts = NULL;
146 #endif
147
148 #ifndef DISABLE_PRDR
149 /* Per Recipient Data Response variables */
150 BOOL prdr_enable = FALSE;
151 BOOL prdr_requested = FALSE;
152 const pcre *regex_PRDR = NULL;
153 #endif
154
155 #ifdef SUPPORT_I18N
156 const pcre *regex_UTF8 = NULL;
157 #endif
158
159 /* Input-reading functions for messages, so we can use special ones for
160 incoming TCP/IP. The defaults use stdin. We never need these for any
161 stand-alone tests. */
162
163 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
164 int (*lwr_receive_getc)(unsigned) = stdin_getc;
165 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
166 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
167 int (*receive_getc)(unsigned) = stdin_getc;
168 uschar * (*receive_getbuf)(unsigned *) = NULL;
169 void (*receive_get_cache)(void)= NULL;
170 int (*receive_ungetc)(int) = stdin_ungetc;
171 int (*receive_feof)(void) = stdin_feof;
172 int (*receive_ferror)(void) = stdin_ferror;
173 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
174 #endif
175
176
177 /* List of per-address expansion variables for clearing and saving/restoring
178 when verifying one address while routing/verifying another. We have to have
179 the size explicit, because it is referenced from more than one module. */
180
181 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
182 CUSS &deliver_address_data,
183 CUSS &deliver_domain,
184 CUSS &deliver_domain_data,
185 CUSS &deliver_domain_orig,
186 CUSS &deliver_domain_parent,
187 CUSS &deliver_localpart,
188 CUSS &deliver_localpart_data,
189 CUSS &deliver_localpart_orig,
190 CUSS &deliver_localpart_parent,
191 CUSS &deliver_localpart_prefix,
192 CUSS &deliver_localpart_suffix,
193 CUSS (uschar **)(&deliver_recipients),
194 CUSS &deliver_host,
195 CUSS &deliver_home,
196 CUSS &address_file,
197 CUSS &address_pipe,
198 CUSS &self_hostname,
199 NULL };
200
201 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
202
203 /******************************************************************************/
204 /* General global variables. Boolean flags are done as a group
205 so that only one bit each is needed, packed, for all those we never
206 need to take a pointer - and only a char for the rest.
207 This means a struct, unfortunately since it clutters the sourcecode. */
208
209 struct global_flags f =
210 {
211 .acl_temp_details = FALSE,
212 .active_local_from_check = FALSE,
213 .active_local_sender_retain = FALSE,
214 .address_test_mode = FALSE,
215 .admin_user = FALSE,
216 .allow_auth_unadvertised= FALSE,
217 .allow_unqualified_recipient = TRUE, /* For local messages */
218 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
219 .authentication_local = FALSE,
220
221 .background_daemon = TRUE,
222
223 .chunking_offered = FALSE,
224 .config_changed = FALSE,
225 .continue_more = FALSE,
226
227 .daemon_listen = FALSE,
228 .debug_daemon = FALSE,
229 .deliver_firsttime = FALSE,
230 .deliver_force = FALSE,
231 .deliver_freeze = FALSE,
232 .deliver_force_thaw = FALSE,
233 .deliver_manual_thaw = FALSE,
234 .deliver_selectstring_regex = FALSE,
235 .deliver_selectstring_sender_regex = FALSE,
236 .disable_callout_flush = FALSE,
237 .disable_delay_flush = FALSE,
238 .disable_logging = FALSE,
239 #ifndef DISABLE_DKIM
240 .dkim_disable_verify = FALSE,
241 #endif
242 #ifdef EXPERIMENTAL_DMARC
243 .dmarc_has_been_checked = FALSE,
244 .dmarc_disable_verify = FALSE,
245 .dmarc_enable_forensic = FALSE,
246 #endif
247 .dont_deliver = FALSE,
248 .dot_ends = TRUE,
249
250 .enable_dollar_recipients = FALSE,
251 .expand_string_forcedfail = FALSE,
252
253 .filter_running = FALSE,
254
255 .header_rewritten = FALSE,
256 .helo_verified = FALSE,
257 .helo_verify_failed = FALSE,
258 .host_checking_callout = FALSE,
259 .host_find_failed_syntax= FALSE,
260
261 .inetd_wait_mode = FALSE,
262 .is_inetd = FALSE,
263
264 .local_error_message = FALSE,
265 .log_testing_mode = FALSE,
266
267 #ifdef WITH_CONTENT_SCAN
268 .no_mbox_unspool = FALSE,
269 #endif
270 .no_multiline_responses = FALSE,
271
272 .parse_allow_group = FALSE,
273 .parse_found_group = FALSE,
274 .pipelining_enable = TRUE,
275 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
276 .proxy_session_failed = FALSE,
277 #endif
278
279 .queue_2stage = FALSE,
280 .queue_only_policy = FALSE,
281 .queue_run_first_delivery = FALSE,
282 .queue_run_force = FALSE,
283 .queue_run_local = FALSE,
284 .queue_running = FALSE,
285 .queue_smtp = FALSE,
286
287 .really_exim = TRUE,
288 .receive_call_bombout = FALSE,
289 .recipients_discarded = FALSE,
290 .running_in_test_harness = FALSE,
291
292 .search_find_defer = FALSE,
293 .sender_address_forced = FALSE,
294 .sender_host_notsocket = FALSE,
295 .sender_host_unknown = FALSE,
296 .sender_local = FALSE,
297 .sender_name_forced = FALSE,
298 .sender_set_untrusted = FALSE,
299 .smtp_authenticated = FALSE,
300 #ifdef SUPPORT_PIPE_CONNECT
301 .smtp_in_early_pipe_advertised = FALSE,
302 .smtp_in_early_pipe_no_auth = FALSE,
303 .smtp_in_early_pipe_used = FALSE,
304 #endif
305 .smtp_in_pipelining_advertised = FALSE,
306 .smtp_in_pipelining_used = FALSE,
307 .spool_file_wireformat = FALSE,
308 .submission_mode = FALSE,
309 .suppress_local_fixups = FALSE,
310 .suppress_local_fixups_default = FALSE,
311 .synchronous_delivery = FALSE,
312 .system_filtering = FALSE,
313
314 .tcp_fastopen_ok = FALSE,
315 .tcp_in_fastopen = FALSE,
316 .tcp_in_fastopen_data = FALSE,
317 .tcp_in_fastopen_logged = FALSE,
318 .tcp_out_fastopen_logged= FALSE,
319 .timestamps_utc = FALSE,
320 .transport_filter_timed_out = FALSE,
321 .trusted_caller = FALSE,
322 .trusted_config = TRUE,
323 };
324
325 /******************************************************************************/
326 /* These are the flags which are either variables or mainsection options,
327 so an address is needed for access, or are exported to local_scan. */
328
329 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
330 BOOL allow_domain_literals = FALSE;
331 BOOL allow_mx_to_ip = FALSE;
332 BOOL allow_utf8_domains = FALSE;
333 BOOL authentication_failed = FALSE;
334
335 BOOL bounce_return_body = TRUE;
336 BOOL bounce_return_message = TRUE;
337 BOOL check_rfc2047_length = TRUE;
338 BOOL commandline_checks_require_admin = FALSE;
339
340 #ifdef EXPERIMENTAL_DCC
341 BOOL dcc_direct_add_header = FALSE;
342 #endif
343 BOOL debug_store = FALSE;
344 BOOL delivery_date_remove = TRUE;
345 BOOL deliver_drop_privilege = FALSE;
346 #ifdef ENABLE_DISABLE_FSYNC
347 BOOL disable_fsync = FALSE;
348 #endif
349 BOOL disable_ipv6 = FALSE;
350 BOOL dns_csa_use_reverse = TRUE;
351 BOOL drop_cr = FALSE; /* No longer used */
352
353 BOOL envelope_to_remove = TRUE;
354 BOOL exim_gid_set = TRUE; /* This gid is always set */
355 BOOL exim_uid_set = TRUE; /* This uid is always set */
356 BOOL extract_addresses_remove_arguments = TRUE;
357
358 BOOL host_checking = FALSE;
359 BOOL host_lookup_deferred = FALSE;
360 BOOL host_lookup_failed = FALSE;
361 BOOL ignore_fromline_local = FALSE;
362
363 BOOL local_from_check = TRUE;
364 BOOL local_sender_retain = FALSE;
365 BOOL log_timezone = FALSE;
366 BOOL message_body_newlines = FALSE;
367 BOOL message_logs = TRUE;
368 #ifdef SUPPORT_I18N
369 BOOL message_smtputf8 = FALSE;
370 #endif
371 BOOL mua_wrapper = FALSE;
372
373 BOOL preserve_message_logs = FALSE;
374 BOOL print_topbitchars = FALSE;
375 BOOL prod_requires_admin = TRUE;
376 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
377 BOOL proxy_session = FALSE;
378 #endif
379
380 BOOL queue_list_requires_admin = TRUE;
381 BOOL queue_only = FALSE;
382 BOOL queue_only_load_latch = TRUE;
383 BOOL queue_only_override = TRUE;
384 BOOL queue_run_in_order = FALSE;
385 BOOL recipients_max_reject = FALSE;
386 BOOL return_path_remove = TRUE;
387
388 BOOL smtp_batched_input = FALSE;
389 BOOL sender_helo_dnssec = FALSE;
390 BOOL sender_host_dnssec = FALSE;
391 BOOL smtp_accept_keepalive = TRUE;
392 BOOL smtp_check_spool_space = TRUE;
393 BOOL smtp_enforce_sync = TRUE;
394 BOOL smtp_etrn_serialize = TRUE;
395 BOOL smtp_input = FALSE;
396 BOOL smtp_return_error_details = FALSE;
397 #ifdef SUPPORT_SPF
398 BOOL spf_result_guessed = FALSE;
399 #endif
400 BOOL split_spool_directory = FALSE;
401 BOOL spool_wireformat = FALSE;
402 #ifdef EXPERIMENTAL_SRS
403 BOOL srs_usehash = TRUE;
404 BOOL srs_usetimestamp = TRUE;
405 #endif
406 BOOL strict_acl_vars = FALSE;
407 BOOL strip_excess_angle_brackets = FALSE;
408 BOOL strip_trailing_dot = FALSE;
409 BOOL syslog_duplication = TRUE;
410 BOOL syslog_pid = TRUE;
411 BOOL syslog_timestamp = TRUE;
412 BOOL system_filter_gid_set = FALSE;
413 BOOL system_filter_uid_set = FALSE;
414
415 BOOL tcp_nodelay = TRUE;
416 BOOL write_rejectlog = TRUE;
417
418 /******************************************************************************/
419
420 header_line *acl_added_headers = NULL;
421 tree_node *acl_anchor = NULL;
422 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
423 NULL, NULL, NULL, NULL};
424 int acl_narg = 0;
425
426 int acl_level = 0;
427
428 uschar *acl_not_smtp = NULL;
429 #ifdef WITH_CONTENT_SCAN
430 uschar *acl_not_smtp_mime = NULL;
431 #endif
432 uschar *acl_not_smtp_start = NULL;
433 uschar *acl_removed_headers = NULL;
434 uschar *acl_smtp_auth = NULL;
435 uschar *acl_smtp_connect = NULL;
436 uschar *acl_smtp_data = NULL;
437 #ifndef DISABLE_PRDR
438 uschar *acl_smtp_data_prdr = US"accept";
439 #endif
440 #ifndef DISABLE_DKIM
441 uschar *acl_smtp_dkim = NULL;
442 #endif
443 uschar *acl_smtp_etrn = NULL;
444 uschar *acl_smtp_expn = NULL;
445 uschar *acl_smtp_helo = NULL;
446 uschar *acl_smtp_mail = NULL;
447 uschar *acl_smtp_mailauth = NULL;
448 #ifdef WITH_CONTENT_SCAN
449 uschar *acl_smtp_mime = NULL;
450 #endif
451 uschar *acl_smtp_notquit = NULL;
452 uschar *acl_smtp_predata = NULL;
453 uschar *acl_smtp_quit = NULL;
454 uschar *acl_smtp_rcpt = NULL;
455 uschar *acl_smtp_starttls = NULL;
456 uschar *acl_smtp_vrfy = NULL;
457
458 tree_node *acl_var_c = NULL;
459 tree_node *acl_var_m = NULL;
460 uschar *acl_verify_message = NULL;
461 string_item *acl_warn_logged = NULL;
462
463 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
464 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
465
466 uschar *acl_wherenames[] = { US"RCPT",
467 US"MAIL",
468 US"PREDATA",
469 US"MIME",
470 US"DKIM",
471 US"DATA",
472 #ifndef DISABLE_PRDR
473 US"PRDR",
474 #endif
475 US"non-SMTP",
476 US"AUTH",
477 US"connection",
478 US"ETRN",
479 US"EXPN",
480 US"EHLO or HELO",
481 US"MAILAUTH",
482 US"non-SMTP-start",
483 US"NOTQUIT",
484 US"QUIT",
485 US"STARTTLS",
486 US"VRFY",
487 US"delivery",
488 US"unknown"
489 };
490
491 uschar *acl_wherecodes[] = { US"550", /* RCPT */
492 US"550", /* MAIL */
493 US"550", /* PREDATA */
494 US"550", /* MIME */
495 US"550", /* DKIM */
496 US"550", /* DATA */
497 #ifndef DISABLE_PRDR
498 US"550", /* RCPT PRDR */
499 #endif
500 US"0", /* not SMTP; not relevant */
501 US"503", /* AUTH */
502 US"550", /* connect */
503 US"458", /* ETRN */
504 US"550", /* EXPN */
505 US"550", /* HELO/EHLO */
506 US"0", /* MAILAUTH; not relevant */
507 US"0", /* not SMTP; not relevant */
508 US"0", /* NOTQUIT; not relevant */
509 US"0", /* QUIT; not relevant */
510 US"550", /* STARTTLS */
511 US"252", /* VRFY */
512 US"0", /* delivery; not relevant */
513 US"0" /* unknown; not relevant */
514 };
515
516 uschar *add_environment = NULL;
517 address_item *addr_duplicate = NULL;
518
519 address_item address_defaults = {
520 .next = NULL,
521 .parent = NULL,
522 .first = NULL,
523 .dupof = NULL,
524 .start_router = NULL,
525 .router = NULL,
526 .transport = NULL,
527 .host_list = NULL,
528 .host_used = NULL,
529 .fallback_hosts = NULL,
530 .reply = NULL,
531 .retries = NULL,
532 .address = NULL,
533 .unique = NULL,
534 .cc_local_part = NULL,
535 .lc_local_part = NULL,
536 .local_part = NULL,
537 .prefix = NULL,
538 .suffix = NULL,
539 .domain = NULL,
540 .address_retry_key = NULL,
541 .domain_retry_key = NULL,
542 .current_dir = NULL,
543 .home_dir = NULL,
544 .message = NULL,
545 .user_message = NULL,
546 .onetime_parent = NULL,
547 .pipe_expandn = NULL,
548 .return_filename = NULL,
549 .self_hostname = NULL,
550 .shadow_message = NULL,
551 #ifndef DISABLE_TLS
552 .cipher = NULL,
553 .ourcert = NULL,
554 .peercert = NULL,
555 .peerdn = NULL,
556 .ocsp = OCSP_NOT_REQ,
557 #endif
558 #ifdef EXPERIMENTAL_DSN_INFO
559 .smtp_greeting = NULL,
560 .helo_response = NULL,
561 #endif
562 .authenticator = NULL,
563 .auth_id = NULL,
564 .auth_sndr = NULL,
565 .dsn_orcpt = NULL,
566 .dsn_flags = 0,
567 .dsn_aware = 0,
568 .uid = (uid_t)(-1),
569 .gid = (gid_t)(-1),
570 .flags = { 0 },
571 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
572 .localpart_cache = { 0 }, /* localpart_cache - ditto */
573 .mode = -1,
574 .more_errno = 0,
575 .delivery_usec = 0,
576 .basic_errno = ERRNO_UNKNOWNERROR,
577 .child_count = 0,
578 .return_file = -1,
579 .special_action = SPECIAL_NONE,
580 .transport_return = DEFER,
581 .prop = { /* fields that are propagated to children */
582 .address_data = NULL,
583 .domain_data = NULL,
584 .localpart_data = NULL,
585 .errors_address = NULL,
586 .extra_headers = NULL,
587 .remove_headers = NULL,
588 .variables = NULL,
589 #ifdef EXPERIMENTAL_SRS
590 .srs_sender = NULL,
591 #endif
592 .ignore_error = FALSE,
593 #ifdef SUPPORT_I18N
594 .utf8_msg = FALSE,
595 .utf8_downcvt = FALSE,
596 .utf8_downcvt_maybe = FALSE
597 #endif
598 }
599 };
600
601 uschar *address_file = NULL;
602 uschar *address_pipe = NULL;
603 tree_node *addresslist_anchor = NULL;
604 int addresslist_count = 0;
605 gid_t *admin_groups = NULL;
606
607 #ifdef EXPERIMENTAL_ARC
608 struct arc_set *arc_received = NULL;
609 int arc_received_instance = 0;
610 int arc_oldest_pass = 0;
611 const uschar *arc_state = NULL;
612 const uschar *arc_state_reason = NULL;
613 #endif
614
615 uschar *authenticated_fail_id = NULL;
616 uschar *authenticated_id = NULL;
617 uschar *authenticated_sender = NULL;
618 auth_instance *auths = NULL;
619 uschar *auth_advertise_hosts = US"*";
620 auth_instance auth_defaults = {
621 .next = NULL,
622 .name = NULL,
623 .info = NULL,
624 .options_block = NULL,
625 .driver_name = NULL,
626 .advertise_condition = NULL,
627 .client_condition = NULL,
628 .public_name = NULL,
629 .set_id = NULL,
630 .set_client_id = NULL,
631 .mail_auth_condition = NULL,
632 .server_debug_string = NULL,
633 .server_condition = NULL,
634 .client = FALSE,
635 .server = FALSE,
636 .advertised = FALSE
637 };
638
639 uschar *auth_defer_msg = US"reason not recorded";
640 uschar *auth_defer_user_msg = US"";
641 uschar *auth_vars[AUTH_VARS];
642 int auto_thaw = 0;
643 #ifdef WITH_CONTENT_SCAN
644 int av_failed = FALSE; /* boolean but accessed as vtype_int*/
645 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
646 #endif
647
648 #if BASE_62 == 62
649 uschar *base62_chars=
650 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
651 #else
652 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
653 #endif
654
655 uschar *bi_command = NULL;
656 uschar *big_buffer = NULL;
657 int big_buffer_size = BIG_BUFFER_SIZE;
658 #ifdef EXPERIMENTAL_BRIGHTMAIL
659 uschar *bmi_alt_location = NULL;
660 uschar *bmi_base64_tracker_verdict = NULL;
661 uschar *bmi_base64_verdict = NULL;
662 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
663 int bmi_deliver = 1;
664 int bmi_run = 0;
665 uschar *bmi_verdicts = NULL;
666 #endif
667 int bsmtp_transaction_linecount = 0;
668 int body_8bitmime = 0;
669 int body_linecount = 0;
670 int body_zerocount = 0;
671 uschar *bounce_message_file = NULL;
672 uschar *bounce_message_text = NULL;
673 uschar *bounce_recipient = NULL;
674 int bounce_return_linesize_limit = 998;
675 int bounce_return_size_limit = 100*1024;
676 uschar *bounce_sender_authentication = NULL;
677
678 uschar *callout_address = NULL;
679 int callout_cache_domain_positive_expire = 7*24*60*60;
680 int callout_cache_domain_negative_expire = 3*60*60;
681 int callout_cache_positive_expire = 24*60*60;
682 int callout_cache_negative_expire = 2*60*60;
683 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
684 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
685 int check_log_inodes = 100;
686 int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
687 int check_spool_inodes = 100;
688 int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
689
690 uschar *chunking_advertise_hosts = US"*";
691 unsigned chunking_datasize = 0;
692 unsigned chunking_data_left = 0;
693 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
694 const pcre *regex_CHUNKING = NULL;
695
696 uschar *client_authenticator = NULL;
697 uschar *client_authenticated_id = NULL;
698 uschar *client_authenticated_sender = NULL;
699 int clmacro_count = 0;
700 uschar *clmacros[MAX_CLMACROS];
701 FILE *config_file = NULL;
702 const uschar *config_filename = NULL;
703 int config_lineno = 0;
704 #ifdef CONFIGURE_GROUP
705 gid_t config_gid = CONFIGURE_GROUP;
706 #else
707 gid_t config_gid = 0;
708 #endif
709 uschar *config_main_filelist = US CONFIGURE_FILE
710 "\0<-----------Space to patch configure_filename->";
711 uschar *config_main_filename = NULL;
712 uschar *config_main_directory = NULL;
713
714 #ifdef CONFIGURE_OWNER
715 uid_t config_uid = CONFIGURE_OWNER;
716 #else
717 uid_t config_uid = 0;
718 #endif
719
720 int connection_max_messages= -1;
721 uschar *continue_proxy_cipher = NULL;
722 uschar *continue_hostname = NULL;
723 uschar *continue_host_address = NULL;
724 int continue_sequence = 1;
725 uschar *continue_transport = NULL;
726
727 uschar *csa_status = NULL;
728 cut_t cutthrough = {
729 .callout_hold_only = FALSE, /* verify-only: normal delivery */
730 .delivery = FALSE, /* when to attempt */
731 .defer_pass = FALSE, /* on defer: spool locally */
732 .is_tls = FALSE, /* not a TLS conn yet */
733 .cctx = {.sock = -1}, /* open connection */
734 .nrcpt = 0, /* number of addresses */
735 };
736
737 uschar *daemon_smtp_port = US"smtp";
738 int daemon_startup_retries = 9;
739 int daemon_startup_sleep = 30;
740
741 #ifdef EXPERIMENTAL_DCC
742 uschar *dcc_header = NULL;
743 uschar *dcc_result = NULL;
744 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
745 uschar *dccifd_options = US"header";
746 #endif
747
748 int debug_fd = -1;
749 FILE *debug_file = NULL;
750 int debug_notall[] = {
751 Di_memory,
752 Di_noutf8,
753 -1
754 };
755 bit_table debug_options[] = { /* must be in alphabetical order and use
756 only the enum values from macro.h */
757 BIT_TABLE(D, acl),
758 BIT_TABLE(D, all),
759 BIT_TABLE(D, auth),
760 BIT_TABLE(D, deliver),
761 BIT_TABLE(D, dns),
762 BIT_TABLE(D, dnsbl),
763 BIT_TABLE(D, exec),
764 BIT_TABLE(D, expand),
765 BIT_TABLE(D, filter),
766 BIT_TABLE(D, hints_lookup),
767 BIT_TABLE(D, host_lookup),
768 BIT_TABLE(D, ident),
769 BIT_TABLE(D, interface),
770 BIT_TABLE(D, lists),
771 BIT_TABLE(D, load),
772 BIT_TABLE(D, local_scan),
773 BIT_TABLE(D, lookup),
774 BIT_TABLE(D, memory),
775 BIT_TABLE(D, noutf8),
776 BIT_TABLE(D, pid),
777 BIT_TABLE(D, process_info),
778 BIT_TABLE(D, queue_run),
779 BIT_TABLE(D, receive),
780 BIT_TABLE(D, resolver),
781 BIT_TABLE(D, retry),
782 BIT_TABLE(D, rewrite),
783 BIT_TABLE(D, route),
784 BIT_TABLE(D, timestamp),
785 BIT_TABLE(D, tls),
786 BIT_TABLE(D, transport),
787 BIT_TABLE(D, uid),
788 BIT_TABLE(D, verify),
789 };
790 int debug_options_count = nelem(debug_options);
791
792 unsigned int debug_selector = 0;
793 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
794 uschar *delay_warning_condition=
795 US"${if or {"
796 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
797 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
798 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
799 "} {no}{yes}}";
800 uschar *deliver_address_data = NULL;
801 int deliver_datafile = -1;
802 const uschar *deliver_domain = NULL;
803 uschar *deliver_domain_data = NULL;
804 const uschar *deliver_domain_orig = NULL;
805 const uschar *deliver_domain_parent = NULL;
806 time_t deliver_frozen_at = 0;
807 uschar *deliver_home = NULL;
808 const uschar *deliver_host = NULL;
809 const uschar *deliver_host_address = NULL;
810 int deliver_host_port = 0;
811 uschar *deliver_in_buffer = NULL;
812 ino_t deliver_inode = 0;
813 uschar *deliver_localpart = NULL;
814 uschar *deliver_localpart_data = NULL;
815 uschar *deliver_localpart_orig = NULL;
816 uschar *deliver_localpart_parent = NULL;
817 uschar *deliver_localpart_prefix = NULL;
818 uschar *deliver_localpart_suffix = NULL;
819 uschar *deliver_out_buffer = NULL;
820 int deliver_queue_load_max = -1;
821 address_item *deliver_recipients = NULL;
822 uschar *deliver_selectstring = NULL;
823 uschar *deliver_selectstring_sender = NULL;
824
825 #ifndef DISABLE_DKIM
826 unsigned dkim_collect_input = 0;
827 uschar *dkim_cur_signer = NULL;
828 int dkim_key_length = 0;
829 void *dkim_signatures = NULL;
830 uschar *dkim_signers = NULL;
831 uschar *dkim_signing_domain = NULL;
832 uschar *dkim_signing_selector = NULL;
833 uschar *dkim_verify_overall = NULL;
834 uschar *dkim_verify_signers = US"$dkim_signers";
835 uschar *dkim_verify_status = NULL;
836 uschar *dkim_verify_reason = NULL;
837 #endif
838 #ifdef EXPERIMENTAL_DMARC
839 uschar *dmarc_domain_policy = NULL;
840 uschar *dmarc_forensic_sender = NULL;
841 uschar *dmarc_history_file = NULL;
842 uschar *dmarc_status = NULL;
843 uschar *dmarc_status_text = NULL;
844 uschar *dmarc_tld_file = US DMARC_TLD_FILE;
845 uschar *dmarc_used_domain = NULL;
846 #endif
847
848 uschar *dns_again_means_nonexist = NULL;
849 int dns_csa_search_limit = 5;
850 int dns_cname_loops = 1;
851 #ifdef SUPPORT_DANE
852 int dns_dane_ok = -1;
853 #endif
854 uschar *dns_ipv4_lookup = NULL;
855 int dns_retrans = 0;
856 int dns_retry = 0;
857 int dns_dnssec_ok = -1; /* <0 = not coerced */
858 uschar *dns_trust_aa = NULL;
859 int dns_use_edns0 = -1; /* <0 = not coerced */
860 uschar *dnslist_domain = NULL;
861 uschar *dnslist_matched = NULL;
862 uschar *dnslist_text = NULL;
863 uschar *dnslist_value = NULL;
864 tree_node *domainlist_anchor = NULL;
865 int domainlist_count = 0;
866 uschar *dsn_from = US DEFAULT_DSN_FROM;
867
868 int errno_quota = ERRNO_QUOTA;
869 uschar *errors_copy = NULL;
870 int error_handling = ERRORS_SENDER;
871 uschar *errors_reply_to = NULL;
872 int errors_sender_rc = EXIT_FAILURE;
873 #ifndef DISABLE_EVENT
874 uschar *event_action = NULL; /* expansion for delivery events */
875 uschar *event_data = NULL; /* auxiliary data variable for event */
876 int event_defer_errno = 0;
877 const uschar *event_name = NULL; /* event name variable */
878 #endif
879
880
881 gid_t exim_gid = EXIM_GID;
882 uschar *exim_path = US BIN_DIRECTORY "/exim"
883 "\0<---------------Space to patch exim_path->";
884 uid_t exim_uid = EXIM_UID;
885 int expand_level = 0; /* Nesting depth, indent for debug */
886 int expand_forbid = 0;
887 int expand_nlength[EXPAND_MAXN+1];
888 int expand_nmax = -1;
889 uschar *expand_nstring[EXPAND_MAXN+1];
890 uschar *expand_string_message;
891 uschar *extra_local_interfaces = NULL;
892
893 int fake_response = OK;
894 uschar *fake_response_text = US"Your message has been rejected but is "
895 "being kept for evaluation.\nIf it was a "
896 "legitimate message, it may still be "
897 "delivered to the target recipient(s).";
898 int filter_n[FILTER_VARIABLE_COUNT];
899 int filter_sn[FILTER_VARIABLE_COUNT];
900 int filter_test = FTEST_NONE;
901 uschar *filter_test_sfile = NULL;
902 uschar *filter_test_ufile = NULL;
903 uschar *filter_thisaddress = NULL;
904 int finduser_retries = 0;
905 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
906 uschar *freeze_tell = NULL;
907 uschar *freeze_tell_config = NULL;
908 uschar *fudged_queue_times = US"";
909
910 uschar *gecos_name = NULL;
911 uschar *gecos_pattern = NULL;
912 rewrite_rule *global_rewrite_rules = NULL;
913
914 volatile sig_atomic_t had_command_timeout = 0;
915 volatile sig_atomic_t had_command_sigterm = 0;
916 volatile sig_atomic_t had_data_timeout = 0;
917 volatile sig_atomic_t had_data_sigint = 0;
918 uschar *headers_charset = US HEADERS_CHARSET;
919 int header_insert_maxlen = 64 * 1024;
920 header_line *header_last = NULL;
921 header_line *header_list = NULL;
922 int header_maxsize = HEADER_MAXSIZE;
923 int header_line_maxsize = 0;
924
925 header_name header_names[] = {
926 /* name len allow_resent htype */
927 { US"bcc", 3, TRUE, htype_bcc },
928 { US"cc", 2, TRUE, htype_cc },
929 { US"date", 4, TRUE, htype_date },
930 { US"delivery-date", 13, FALSE, htype_delivery_date },
931 { US"envelope-to", 11, FALSE, htype_envelope_to },
932 { US"from", 4, TRUE, htype_from },
933 { US"message-id", 10, TRUE, htype_id },
934 { US"received", 8, FALSE, htype_received },
935 { US"reply-to", 8, FALSE, htype_reply_to },
936 { US"return-path", 11, FALSE, htype_return_path },
937 { US"sender", 6, TRUE, htype_sender },
938 { US"subject", 7, FALSE, htype_subject },
939 { US"to", 2, TRUE, htype_to }
940 };
941
942 int header_names_size = nelem(header_names);
943
944 uschar *helo_accept_junk_hosts = NULL;
945 uschar *helo_allow_chars = US"";
946 uschar *helo_lookup_domains = US"@ : @[]";
947 uschar *helo_try_verify_hosts = NULL;
948 uschar *helo_verify_hosts = NULL;
949 const uschar *hex_digits = CUS"0123456789abcdef";
950 uschar *hold_domains = NULL;
951 uschar *host_data = NULL;
952 uschar *host_lookup = NULL;
953 uschar *host_lookup_order = US"bydns:byaddr";
954 uschar *host_lookup_msg = US"";
955 int host_number = 0;
956 uschar *host_number_string = NULL;
957 uschar *host_reject_connection = NULL;
958 tree_node *hostlist_anchor = NULL;
959 int hostlist_count = 0;
960 uschar *hosts_treat_as_local = NULL;
961 uschar *hosts_connection_nolog = NULL;
962
963 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
964 uschar *ignore_fromline_hosts = NULL;
965 int inetd_wait_timeout = -1;
966 uschar *initial_cwd = NULL;
967 uschar *interface_address = NULL;
968 int interface_port = -1;
969 uschar *iterate_item = NULL;
970
971 int journal_fd = -1;
972
973 uschar *keep_environment = NULL;
974
975 int keep_malformed = 4*24*60*60; /* 4 days */
976
977 uschar *eldap_dn = NULL;
978 int load_average = -2;
979 uschar *local_from_prefix = NULL;
980 uschar *local_from_suffix = NULL;
981
982 #if HAVE_IPV6
983 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
984 #else
985 uschar *local_interfaces = US"0.0.0.0";
986 #endif
987
988 #ifdef HAVE_LOCAL_SCAN
989 uschar *local_scan_data = NULL;
990 int local_scan_timeout = 5*60;
991 #endif
992 gid_t local_user_gid = (gid_t)(-1);
993 uid_t local_user_uid = (uid_t)(-1);
994
995 tree_node *localpartlist_anchor= NULL;
996 int localpartlist_count = 0;
997 uschar *log_buffer = NULL;
998
999 int log_default[] = { /* for initializing log_selector */
1000 Li_acl_warn_skipped,
1001 Li_connection_reject,
1002 Li_delay_delivery,
1003 Li_dkim,
1004 Li_dnslist_defer,
1005 Li_etrn,
1006 Li_host_lookup_failed,
1007 Li_lost_incoming_connection,
1008 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1009 Li_msg_id,
1010 Li_queue_run,
1011 Li_rejected_header,
1012 Li_retry_defer,
1013 Li_sender_verify_fail,
1014 Li_size_reject,
1015 Li_skip_delivery,
1016 Li_smtp_confirmation,
1017 Li_tls_certificate_verified,
1018 Li_tls_cipher,
1019 -1
1020 };
1021
1022 uschar *log_file_path = US LOG_FILE_PATH
1023 "\0<--------------Space to patch log_file_path->";
1024
1025 int log_notall[] = {
1026 -1
1027 };
1028 bit_table log_options[] = { /* must be in alphabetical order,
1029 with definitions from enum logbit. */
1030 BIT_TABLE(L, 8bitmime),
1031 BIT_TABLE(L, acl_warn_skipped),
1032 BIT_TABLE(L, address_rewrite),
1033 BIT_TABLE(L, all),
1034 BIT_TABLE(L, all_parents),
1035 BIT_TABLE(L, arguments),
1036 BIT_TABLE(L, connection_reject),
1037 BIT_TABLE(L, delay_delivery),
1038 BIT_TABLE(L, deliver_time),
1039 BIT_TABLE(L, delivery_size),
1040 #ifndef DISABLE_DKIM
1041 BIT_TABLE(L, dkim),
1042 BIT_TABLE(L, dkim_verbose),
1043 #endif
1044 BIT_TABLE(L, dnslist_defer),
1045 BIT_TABLE(L, dnssec),
1046 BIT_TABLE(L, etrn),
1047 BIT_TABLE(L, host_lookup_failed),
1048 BIT_TABLE(L, ident_timeout),
1049 BIT_TABLE(L, incoming_interface),
1050 BIT_TABLE(L, incoming_port),
1051 BIT_TABLE(L, lost_incoming_connection),
1052 BIT_TABLE(L, millisec),
1053 BIT_TABLE(L, msg_id),
1054 BIT_TABLE(L, msg_id_created),
1055 BIT_TABLE(L, outgoing_interface),
1056 BIT_TABLE(L, outgoing_port),
1057 BIT_TABLE(L, pid),
1058 BIT_TABLE(L, pipelining),
1059 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1060 BIT_TABLE(L, proxy),
1061 #endif
1062 BIT_TABLE(L, queue_run),
1063 BIT_TABLE(L, queue_time),
1064 BIT_TABLE(L, queue_time_overall),
1065 BIT_TABLE(L, receive_time),
1066 BIT_TABLE(L, received_recipients),
1067 BIT_TABLE(L, received_sender),
1068 BIT_TABLE(L, rejected_header),
1069 { US"rejected_headers", Li_rejected_header },
1070 BIT_TABLE(L, retry_defer),
1071 BIT_TABLE(L, return_path_on_delivery),
1072 BIT_TABLE(L, sender_on_delivery),
1073 BIT_TABLE(L, sender_verify_fail),
1074 BIT_TABLE(L, size_reject),
1075 BIT_TABLE(L, skip_delivery),
1076 BIT_TABLE(L, smtp_confirmation),
1077 BIT_TABLE(L, smtp_connection),
1078 BIT_TABLE(L, smtp_incomplete_transaction),
1079 BIT_TABLE(L, smtp_mailauth),
1080 BIT_TABLE(L, smtp_no_mail),
1081 BIT_TABLE(L, smtp_protocol_error),
1082 BIT_TABLE(L, smtp_syntax_error),
1083 BIT_TABLE(L, subject),
1084 BIT_TABLE(L, tls_certificate_verified),
1085 BIT_TABLE(L, tls_cipher),
1086 BIT_TABLE(L, tls_peerdn),
1087 BIT_TABLE(L, tls_resumption),
1088 BIT_TABLE(L, tls_sni),
1089 BIT_TABLE(L, unknown_in_list),
1090 };
1091 int log_options_count = nelem(log_options);
1092
1093 int log_reject_target = 0;
1094 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1095 uschar *log_selector_string = NULL;
1096 FILE *log_stderr = NULL;
1097 uschar *login_sender_address = NULL;
1098 uschar *lookup_dnssec_authenticated = NULL;
1099 int lookup_open_max = 25;
1100 uschar *lookup_value = NULL;
1101
1102 macro_item *macros_user = NULL;
1103 uschar *mailstore_basename = NULL;
1104 #ifdef WITH_CONTENT_SCAN
1105 uschar *malware_name = NULL; /* Virus Name */
1106 #endif
1107 int max_received_linelength= 0;
1108 int max_username_length = 0;
1109 int message_age = 0;
1110 uschar *message_body = NULL;
1111 uschar *message_body_end = NULL;
1112 int message_body_size = 0;
1113 int message_body_visible = 500;
1114 int message_ended = END_NOTSTARTED;
1115 uschar *message_headers = NULL;
1116 uschar *message_id;
1117 uschar *message_id_domain = NULL;
1118 uschar *message_id_text = NULL;
1119 struct timeval message_id_tv = { 0, 0 };
1120 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1121 uschar *message_id_external;
1122 int message_linecount = 0;
1123 int message_size = 0;
1124 uschar *message_size_limit = US"50M";
1125 #ifdef SUPPORT_I18N
1126 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1127 #endif
1128 uschar message_subdir[2] = { 0, 0 };
1129 uschar *message_reference = NULL;
1130
1131 /* MIME ACL expandables */
1132 #ifdef WITH_CONTENT_SCAN
1133 int mime_anomaly_level = 0;
1134 const uschar *mime_anomaly_text = NULL;
1135 uschar *mime_boundary = NULL;
1136 uschar *mime_charset = NULL;
1137 uschar *mime_content_description = NULL;
1138 uschar *mime_content_disposition = NULL;
1139 uschar *mime_content_id = NULL;
1140 unsigned int mime_content_size = 0;
1141 uschar *mime_content_transfer_encoding = NULL;
1142 uschar *mime_content_type = NULL;
1143 uschar *mime_decoded_filename = NULL;
1144 uschar *mime_filename = NULL;
1145 int mime_is_multipart = 0;
1146 int mime_is_coverletter = 0;
1147 int mime_is_rfc822 = 0;
1148 int mime_part_count = -1;
1149 #endif
1150
1151 uid_t *never_users = NULL;
1152
1153 const int on = 1; /* for setsockopt */
1154 const int off = 0;
1155
1156 uid_t original_euid;
1157 gid_t originator_gid;
1158 uschar *originator_login = NULL;
1159 uschar *originator_name = NULL;
1160 uid_t originator_uid;
1161 uschar *override_local_interfaces = NULL;
1162 uschar *override_pid_file_path = NULL;
1163
1164 uschar *percent_hack_domains = NULL;
1165 uschar *pid_file_path = US PID_FILE_PATH
1166 "\0<--------------Space to patch pid_file_path->";
1167 #ifdef SUPPORT_PIPE_CONNECT
1168 uschar *pipe_connect_advertise_hosts = US"*";
1169 #endif
1170 uschar *pipelining_advertise_hosts = US"*";
1171 uschar *primary_hostname = NULL;
1172 uschar *process_info;
1173 int process_info_len = 0;
1174 uschar *process_log_path = NULL;
1175
1176 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1177 uschar *hosts_proxy = NULL;
1178 uschar *proxy_external_address = NULL;
1179 int proxy_external_port = 0;
1180 uschar *proxy_local_address = NULL;
1181 int proxy_local_port = 0;
1182 #endif
1183
1184 uschar *prvscheck_address = NULL;
1185 uschar *prvscheck_keynum = NULL;
1186 uschar *prvscheck_result = NULL;
1187
1188
1189 const uschar *qualify_domain_recipient = NULL;
1190 uschar *qualify_domain_sender = NULL;
1191 uschar *queue_domains = NULL;
1192 int queue_interval = -1;
1193 uschar *queue_name = US"";
1194 uschar *queue_only_file = NULL;
1195 int queue_only_load = -1;
1196 uschar *queue_run_max = US"5";
1197 pid_t queue_run_pid = (pid_t)0;
1198 int queue_run_pipe = -1;
1199 uschar *queue_smtp_domains = NULL;
1200
1201 uint32_t random_seed = 0;
1202 tree_node *ratelimiters_cmd = NULL;
1203 tree_node *ratelimiters_conn = NULL;
1204 tree_node *ratelimiters_mail = NULL;
1205 uschar *raw_active_hostname = NULL;
1206 uschar *raw_sender = NULL;
1207 uschar **raw_recipients = NULL;
1208 int raw_recipients_count = 0;
1209
1210 int rcpt_count = 0;
1211 int rcpt_fail_count = 0;
1212 int rcpt_defer_count = 0;
1213 gid_t real_gid;
1214 uid_t real_uid;
1215 int receive_linecount = 0;
1216 int receive_messagecount = 0;
1217 int receive_timeout = 0;
1218 int received_count = 0;
1219 uschar *received_for = NULL;
1220
1221 /* This is the default text for Received headers generated by Exim. The
1222 date will be automatically added on the end. */
1223
1224 uschar *received_header_text = US
1225 "Received: "
1226 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1227 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1228 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1229 "by $primary_hostname "
1230 "${if def:received_protocol {with $received_protocol }}"
1231 #ifndef DISABLE_TLS
1232 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1233 #endif
1234 "(Exim $version_number)\n\t"
1235 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1236 "id $message_exim_id"
1237 "${if def:received_for {\n\tfor $received_for}}"
1238 "\0<---------------Space to patch received_header_text->";
1239
1240 int received_headers_max = 30;
1241 uschar *received_protocol = NULL;
1242 struct timeval received_time = { 0, 0 };
1243 struct timeval received_time_taken = { 0, 0 };
1244 uschar *recipient_data = NULL;
1245 uschar *recipient_unqualified_hosts = NULL;
1246 uschar *recipient_verify_failure = NULL;
1247 int recipients_count = 0;
1248 recipient_item *recipients_list = NULL;
1249 int recipients_list_max = 0;
1250 int recipients_max = 0;
1251 const pcre *regex_AUTH = NULL;
1252 const pcre *regex_check_dns_names = NULL;
1253 const pcre *regex_From = NULL;
1254 const pcre *regex_IGNOREQUOTA = NULL;
1255 const pcre *regex_PIPELINING = NULL;
1256 const pcre *regex_SIZE = NULL;
1257 #ifdef SUPPORT_PIPE_CONNECT
1258 const pcre *regex_EARLY_PIPE = NULL;
1259 #endif
1260 const pcre *regex_ismsgid = NULL;
1261 const pcre *regex_smtp_code = NULL;
1262 uschar *regex_vars[REGEX_VARS];
1263 #ifdef WHITELIST_D_MACROS
1264 const pcre *regex_whitelisted_macro = NULL;
1265 #endif
1266 #ifdef WITH_CONTENT_SCAN
1267 uschar *regex_match_string = NULL;
1268 #endif
1269 int remote_delivery_count = 0;
1270 int remote_max_parallel = 2;
1271 uschar *remote_sort_domains = NULL;
1272 int retry_data_expire = 7*24*60*60;
1273 int retry_interval_max = 24*60*60;
1274 int retry_maximum_timeout = 0; /* set from retry config */
1275 retry_config *retries = NULL;
1276 uschar *return_path = NULL;
1277 int rewrite_existflags = 0;
1278 uschar *rfc1413_hosts = US"@[]";
1279 int rfc1413_query_timeout = 0;
1280 uid_t root_gid = ROOT_GID;
1281 uid_t root_uid = ROOT_UID;
1282
1283 router_instance *routers = NULL;
1284 router_instance router_defaults = {
1285 .next = NULL,
1286 .name = NULL,
1287 .info = NULL,
1288 .options_block = NULL,
1289 .driver_name = NULL,
1290
1291 .address_data = NULL,
1292 #ifdef EXPERIMENTAL_BRIGHTMAIL
1293 .bmi_rule = NULL,
1294 #endif
1295 .cannot_route_message = NULL,
1296 .condition = NULL,
1297 .current_directory = NULL,
1298 .debug_string = NULL,
1299 .domains = NULL,
1300 .errors_to = NULL,
1301 .expand_gid = NULL,
1302 .expand_uid = NULL,
1303 .expand_more = NULL,
1304 .expand_unseen = NULL,
1305 .extra_headers = NULL,
1306 .fallback_hosts = NULL,
1307 .home_directory = NULL,
1308 .ignore_target_hosts = NULL,
1309 .local_parts = NULL,
1310 .pass_router_name = NULL,
1311 .prefix = NULL,
1312 .redirect_router_name = NULL,
1313 .remove_headers = NULL,
1314 .require_files = NULL,
1315 .router_home_directory = NULL,
1316 .self = US"freeze",
1317 .senders = NULL,
1318 .suffix = NULL,
1319 .translate_ip_address = NULL,
1320 .transport_name = NULL,
1321
1322 .address_test = TRUE,
1323 #ifdef EXPERIMENTAL_BRIGHTMAIL
1324 .bmi_deliver_alternate = FALSE,
1325 .bmi_deliver_default = FALSE,
1326 .bmi_dont_deliver = FALSE,
1327 #endif
1328 .expn = TRUE,
1329 .caseful_local_part = FALSE,
1330 .check_local_user = FALSE,
1331 .disable_logging = FALSE,
1332 .fail_verify_recipient = FALSE,
1333 .fail_verify_sender = FALSE,
1334 .gid_set = FALSE,
1335 .initgroups = FALSE,
1336 .log_as_local = TRUE_UNSET,
1337 .more = TRUE,
1338 .pass_on_timeout = FALSE,
1339 .prefix_optional = FALSE,
1340 .repeat_use = TRUE,
1341 .retry_use_local_part = TRUE_UNSET,
1342 .same_domain_copy_routing = FALSE,
1343 .self_rewrite = FALSE,
1344 .set = NULL,
1345 .suffix_optional = FALSE,
1346 .verify_only = FALSE,
1347 .verify_recipient = TRUE,
1348 .verify_sender = TRUE,
1349 .uid_set = FALSE,
1350 .unseen = FALSE,
1351 .dsn_lasthop = FALSE,
1352
1353 .self_code = self_freeze,
1354 .uid = (uid_t)(-1),
1355 .gid = (gid_t)(-1),
1356
1357 .fallback_hostlist = NULL,
1358 .transport = NULL,
1359 .pass_router = NULL,
1360 .redirect_router = NULL,
1361
1362 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
1363 };
1364
1365 uschar *router_name = NULL;
1366 tree_node *router_var = NULL;
1367
1368 ip_address_item *running_interfaces = NULL;
1369
1370 /* This is a weird one. The following string gets patched in the binary by the
1371 script that sets up a copy of Exim for running in the test harness. It seems
1372 that compilers are now clever, and share constant strings if they can.
1373 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1374 make use of the end of this string in order to save space. So the patching then
1375 wrecks this. We defeat this optimization by adding some additional characters
1376 onto the end of the string. */
1377
1378 uschar *running_status = US">>>running<<<" "\0EXTRA";
1379
1380 int runrc = 0;
1381
1382 uschar *search_error_message = NULL;
1383 uschar *self_hostname = NULL;
1384 uschar *sender_address = NULL;
1385 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1386 uschar *sender_address_data = NULL;
1387 uschar *sender_address_unrewritten = NULL;
1388 uschar *sender_data = NULL;
1389 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1390 uschar *sender_fullhost = NULL;
1391 uschar *sender_helo_name = NULL;
1392 uschar **sender_host_aliases = &no_aliases;
1393 uschar *sender_host_address = NULL;
1394 uschar *sender_host_authenticated = NULL;
1395 uschar *sender_host_auth_pubname = NULL;
1396 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1397 uschar *sender_host_name = NULL;
1398 int sender_host_port = 0;
1399 uschar *sender_ident = NULL;
1400 uschar *sender_rate = NULL;
1401 uschar *sender_rate_limit = NULL;
1402 uschar *sender_rate_period = NULL;
1403 uschar *sender_rcvhost = NULL;
1404 uschar *sender_unqualified_hosts = NULL;
1405 uschar *sender_verify_failure = NULL;
1406 address_item *sender_verified_list = NULL;
1407 address_item *sender_verified_failed = NULL;
1408 int sender_verified_rc = -1;
1409 uschar *sending_ip_address = NULL;
1410 int sending_port = -1;
1411 SIGNAL_BOOL sigalrm_seen = FALSE;
1412 const uschar *sigalarm_setter = NULL;
1413 uschar **sighup_argv = NULL;
1414 int slow_lookup_log = 0; /* millisecs, zero disables */
1415 int smtp_accept_count = 0;
1416 int smtp_accept_max = 20;
1417 int smtp_accept_max_nonmail= 10;
1418 uschar *smtp_accept_max_nonmail_hosts = US"*";
1419 int smtp_accept_max_per_connection = 1000;
1420 uschar *smtp_accept_max_per_host = NULL;
1421 int smtp_accept_queue = 0;
1422 int smtp_accept_queue_per_connection = 10;
1423 int smtp_accept_reserve = 0;
1424 uschar *smtp_active_hostname = NULL;
1425 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1426 "Exim $version_number $tod_full"
1427 "\0<---------------Space to patch smtp_banner->";
1428 int smtp_ch_index = 0;
1429 uschar *smtp_cmd_argument = NULL;
1430 uschar *smtp_cmd_buffer = NULL;
1431 struct timeval smtp_connection_start = {0,0};
1432 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1433 int smtp_connect_backlog = 20;
1434 double smtp_delay_mail = 0.0;
1435 double smtp_delay_rcpt = 0.0;
1436 FILE *smtp_in = NULL;
1437 int smtp_load_reserve = -1;
1438 int smtp_mailcmd_count = 0;
1439 FILE *smtp_out = NULL;
1440 uschar *smtp_etrn_command = NULL;
1441 int smtp_max_synprot_errors= 3;
1442 int smtp_max_unknown_commands = 3;
1443 uschar *smtp_notquit_reason = NULL;
1444 uschar *smtp_ratelimit_hosts = NULL;
1445 uschar *smtp_ratelimit_mail = NULL;
1446 uschar *smtp_ratelimit_rcpt = NULL;
1447 uschar *smtp_read_error = US"";
1448 int smtp_receive_timeout = 5*60;
1449 uschar *smtp_receive_timeout_s = NULL;
1450 uschar *smtp_reserve_hosts = NULL;
1451 int smtp_rlm_base = 0;
1452 double smtp_rlm_factor = 0.0;
1453 int smtp_rlm_limit = 0;
1454 int smtp_rlm_threshold = INT_MAX;
1455 int smtp_rlr_base = 0;
1456 double smtp_rlr_factor = 0.0;
1457 int smtp_rlr_limit = 0;
1458 int smtp_rlr_threshold = INT_MAX;
1459 unsigned smtp_peer_options = 0;
1460 unsigned smtp_peer_options_wrap= 0;
1461 #ifdef SUPPORT_I18N
1462 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1463 #endif
1464
1465 #ifdef WITH_CONTENT_SCAN
1466 uschar *spamd_address = US"127.0.0.1 783";
1467 uschar *spam_bar = NULL;
1468 uschar *spam_report = NULL;
1469 uschar *spam_action = NULL;
1470 uschar *spam_score = NULL;
1471 uschar *spam_score_int = NULL;
1472 #endif
1473 #ifdef SUPPORT_SPF
1474 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1475 uschar *spf_header_comment = NULL;
1476 uschar *spf_received = NULL;
1477 uschar *spf_result = NULL;
1478 uschar *spf_smtp_comment = NULL;
1479 #endif
1480
1481 FILE *spool_data_file = NULL;
1482 uschar *spool_directory = US SPOOL_DIRECTORY
1483 "\0<--------------Space to patch spool_directory->";
1484 #ifdef EXPERIMENTAL_SRS
1485 uschar *srs_config = NULL;
1486 uschar *srs_db_address = NULL;
1487 uschar *srs_db_key = NULL;
1488 int srs_hashlength = 6;
1489 int srs_hashmin = -1;
1490 int srs_maxage = 31;
1491 uschar *srs_orig_recipient = NULL;
1492 uschar *srs_orig_sender = NULL;
1493 uschar *srs_recipient = NULL;
1494 uschar *srs_secrets = NULL;
1495 uschar *srs_status = NULL;
1496 #endif
1497 int string_datestamp_offset= -1;
1498 int string_datestamp_length= 0;
1499 int string_datestamp_type = -1;
1500 uschar *submission_domain = NULL;
1501 uschar *submission_name = NULL;
1502 int syslog_facility = LOG_MAIL;
1503 uschar *syslog_processname = US"exim";
1504 uschar *system_filter = NULL;
1505
1506 uschar *system_filter_directory_transport = NULL;
1507 uschar *system_filter_file_transport = NULL;
1508 uschar *system_filter_pipe_transport = NULL;
1509 uschar *system_filter_reply_transport = NULL;
1510
1511 gid_t system_filter_gid = 0;
1512 uid_t system_filter_uid = (uid_t)-1;
1513
1514 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1515 tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1516 #ifdef USE_TCP_WRAPPERS
1517 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1518 #endif
1519 int test_harness_load_avg = 0;
1520 int thismessage_size_limit = 0;
1521 int timeout_frozen_after = 0;
1522
1523 transport_instance *transports = NULL;
1524
1525 transport_instance transport_defaults = {
1526 .next = NULL,
1527 .name = NULL,
1528 .info = NULL,
1529 .options_block = NULL,
1530 .driver_name = NULL,
1531 .setup = NULL,
1532 .batch_max = 1,
1533 .batch_id = NULL,
1534 .home_dir = NULL,
1535 .current_dir = NULL,
1536 .expand_multi_domain = NULL,
1537 .multi_domain = TRUE,
1538 .overrides_hosts = FALSE,
1539 .max_addresses = 100,
1540 .connection_max_messages = 500,
1541 .deliver_as_creator = FALSE,
1542 .disable_logging = FALSE,
1543 .initgroups = FALSE,
1544 .uid_set = FALSE,
1545 .gid_set = FALSE,
1546 .uid = (uid_t)(-1),
1547 .gid = (gid_t)(-1),
1548 .expand_uid = NULL,
1549 .expand_gid = NULL,
1550 .warn_message = NULL,
1551 .shadow = NULL,
1552 .shadow_condition = NULL,
1553 .filter_command = NULL,
1554 .add_headers = NULL,
1555 .remove_headers = NULL,
1556 .return_path = NULL,
1557 .debug_string = NULL,
1558 .max_parallel = NULL,
1559 .message_size_limit = NULL,
1560 .headers_rewrite = NULL,
1561 .rewrite_rules = NULL,
1562 .rewrite_existflags = 0,
1563 .filter_timeout = 300,
1564 .body_only = FALSE,
1565 .delivery_date_add = FALSE,
1566 .envelope_to_add = FALSE,
1567 .headers_only = FALSE,
1568 .rcpt_include_affixes = FALSE,
1569 .return_path_add = FALSE,
1570 .return_output = FALSE,
1571 .return_fail_output = FALSE,
1572 .log_output = FALSE,
1573 .log_fail_output = FALSE,
1574 .log_defer_output = FALSE,
1575 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1576 1 nor 0 so can detect unset */
1577 #ifndef DISABLE_EVENT
1578 .event_action = NULL
1579 #endif
1580 };
1581
1582 int transport_count;
1583 uschar *transport_name = NULL;
1584 int transport_newlines;
1585 const uschar **transport_filter_argv = NULL;
1586 int transport_filter_timeout;
1587 int transport_write_timeout= 0;
1588
1589 tree_node *tree_dns_fails = NULL;
1590 tree_node *tree_duplicates = NULL;
1591 tree_node *tree_nonrecipients = NULL;
1592 tree_node *tree_unusable = NULL;
1593
1594 gid_t *trusted_groups = NULL;
1595 uid_t *trusted_users = NULL;
1596 uschar *timezone_string = US TIMEZONE_DEFAULT;
1597
1598 uschar *unknown_login = NULL;
1599 uschar *unknown_username = NULL;
1600 uschar *untrusted_set_sender = NULL;
1601
1602 /* A regex for matching a "From_" line in an incoming message, in the form
1603
1604 From ph10 Fri Jan 5 12:35 GMT 1996
1605
1606 which the "mail" commands send to the MTA (undocumented, of course), or in
1607 the form
1608
1609 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1610
1611 which is apparently used by some UUCPs, despite it not being in RFC 976.
1612 Because of variations in time formats, just match up to the minutes. That
1613 should be sufficient. Examples have been seen of time fields like 12:1:03,
1614 so just require one digit for hours and minutes. The weekday is also absent
1615 in some forms. */
1616
1617 uschar *uucp_from_pattern = US
1618 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1619 "(?:" /* Non-extracting bracket */
1620 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1621 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1622 ")" /* End alternation */
1623 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1624
1625 uschar *uucp_from_sender = US"$1";
1626
1627 uschar *verify_mode = NULL;
1628 uschar *version_copyright =
1629 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1630 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
1631 uschar *version_date = US"?";
1632 uschar *version_cnumber = US"????";
1633 uschar *version_string = US"?";
1634
1635 uschar *warn_message_file = NULL;
1636 int warning_count = 0;
1637 uschar *warnmsg_delay = NULL;
1638 uschar *warnmsg_recipients = NULL;
1639
1640
1641 /* End of globals.c */
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