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transmit peer capability recognition
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2016 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36 };
37
38 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
39
40 /* An empty host aliases list. */
41
42 uschar *no_aliases = NULL;
43
44
45 /* For comments on these variables, see globals.h. I'm too idle to
46 duplicate them here... */
47
48 #ifdef EXIM_PERL
49 uschar *opt_perl_startup = NULL;
50 BOOL opt_perl_at_start = FALSE;
51 BOOL opt_perl_started = FALSE;
52 BOOL opt_perl_taintmode = FALSE;
53 #endif
54
55 #ifdef EXPAND_DLFUNC
56 tree_node *dlobj_anchor = NULL;
57 #endif
58
59 #ifdef LOOKUP_IBASE
60 uschar *ibase_servers = NULL;
61 #endif
62
63 #ifdef LOOKUP_LDAP
64 uschar *eldap_ca_cert_dir = NULL;
65 uschar *eldap_ca_cert_file = NULL;
66 uschar *eldap_cert_file = NULL;
67 uschar *eldap_cert_key = NULL;
68 uschar *eldap_cipher_suite = NULL;
69 uschar *eldap_default_servers = NULL;
70 uschar *eldap_require_cert = NULL;
71 int eldap_version = -1;
72 BOOL eldap_start_tls = FALSE;
73 #endif
74
75 #ifdef LOOKUP_MYSQL
76 uschar *mysql_servers = NULL;
77 #endif
78
79 #ifdef LOOKUP_ORACLE
80 uschar *oracle_servers = NULL;
81 #endif
82
83 #ifdef LOOKUP_PGSQL
84 uschar *pgsql_servers = NULL;
85 #endif
86
87 #ifdef LOOKUP_REDIS
88 uschar *redis_servers = NULL;
89 #endif
90
91 #ifdef LOOKUP_SQLITE
92 int sqlite_lock_timeout = 5;
93 #endif
94
95 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96 BOOL move_frozen_messages = FALSE;
97 #endif
98
99 /* These variables are outside the #ifdef because it keeps the code less
100 cluttered in several places (e.g. during logging) if we can always refer to
101 them. Also, the tls_ variables are now always visible. */
102
103 tls_support tls_in = {
104 -1, /* tls_active */
105 0, /* tls_bits */
106 FALSE,/* tls_certificate_verified */
107 #ifdef EXPERIMENTAL_DANE
108 FALSE,/* dane_verified */
109 0, /* tlsa_usage */
110 #endif
111 NULL, /* tls_cipher */
112 FALSE,/* tls_on_connect */
113 NULL, /* tls_on_connect_ports */
114 NULL, /* tls_ourcert */
115 NULL, /* tls_peercert */
116 NULL, /* tls_peerdn */
117 NULL, /* tls_sni */
118 0 /* tls_ocsp */
119 };
120 tls_support tls_out = {
121 -1, /* tls_active */
122 0, /* tls_bits */
123 FALSE,/* tls_certificate_verified */
124 #ifdef EXPERIMENTAL_DANE
125 FALSE,/* dane_verified */
126 0, /* tlsa_usage */
127 #endif
128 NULL, /* tls_cipher */
129 FALSE,/* tls_on_connect */
130 NULL, /* tls_on_connect_ports */
131 NULL, /* tls_ourcert */
132 NULL, /* tls_peercert */
133 NULL, /* tls_peerdn */
134 NULL, /* tls_sni */
135 0 /* tls_ocsp */
136 };
137
138 uschar *dsn_envid = NULL;
139 int dsn_ret = 0;
140 const pcre *regex_DSN = NULL;
141 BOOL smtp_use_dsn = FALSE;
142 uschar *dsn_advertise_hosts = NULL;
143
144 #ifdef SUPPORT_TLS
145 BOOL gnutls_compat_mode = FALSE;
146 BOOL gnutls_allow_auto_pkcs11 = FALSE;
147 uschar *openssl_options = NULL;
148 const pcre *regex_STARTTLS = NULL;
149 uschar *tls_advertise_hosts = US"*";
150 uschar *tls_certificate = NULL;
151 uschar *tls_crl = NULL;
152 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
153 that's the interop problem which has been observed: GnuTLS suggesting a higher
154 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
155 int tls_dh_max_bits = 2236;
156 uschar *tls_dhparam = NULL;
157 uschar *tls_eccurve = US"prime256v1";
158 # ifndef DISABLE_OCSP
159 uschar *tls_ocsp_file = NULL;
160 # endif
161 BOOL tls_offered = FALSE;
162 uschar *tls_privatekey = NULL;
163 BOOL tls_remember_esmtp = FALSE;
164 uschar *tls_require_ciphers = NULL;
165 uschar *tls_try_verify_hosts = NULL;
166 uschar *tls_verify_certificates= US"system";
167 uschar *tls_verify_hosts = NULL;
168 #else /*!SUPPORT_TLS*/
169 uschar *tls_advertise_hosts = NULL;
170 #endif
171
172 #ifndef DISABLE_PRDR
173 /* Per Recipient Data Response variables */
174 BOOL prdr_enable = FALSE;
175 BOOL prdr_requested = FALSE;
176 const pcre *regex_PRDR = NULL;
177 #endif
178
179 #ifdef SUPPORT_I18N
180 const pcre *regex_UTF8 = NULL;
181 #endif
182
183 /* Input-reading functions for messages, so we can use special ones for
184 incoming TCP/IP. The defaults use stdin. We never need these for any
185 stand-alone tests. */
186
187 #ifndef STAND_ALONE
188 int (*lwr_receive_getc)(void) = stdin_getc;
189 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
190 int (*receive_getc)(void) = stdin_getc;
191 int (*receive_ungetc)(int) = stdin_ungetc;
192 int (*receive_feof)(void) = stdin_feof;
193 int (*receive_ferror)(void) = stdin_ferror;
194 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
195 #endif
196
197
198 /* List of per-address expansion variables for clearing and saving/restoring
199 when verifying one address while routing/verifying another. We have to have
200 the size explicit, because it is referenced from more than one module. */
201
202 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
203 CUSS &deliver_address_data,
204 CUSS &deliver_domain,
205 CUSS &deliver_domain_data,
206 CUSS &deliver_domain_orig,
207 CUSS &deliver_domain_parent,
208 CUSS &deliver_localpart,
209 CUSS &deliver_localpart_data,
210 CUSS &deliver_localpart_orig,
211 CUSS &deliver_localpart_parent,
212 CUSS &deliver_localpart_prefix,
213 CUSS &deliver_localpart_suffix,
214 CUSS (uschar **)(&deliver_recipients),
215 CUSS &deliver_host,
216 CUSS &deliver_home,
217 CUSS &address_file,
218 CUSS &address_pipe,
219 CUSS &self_hostname,
220 NULL };
221
222 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
223
224 /* General global variables */
225
226 header_line *acl_added_headers = NULL;
227 tree_node *acl_anchor = NULL;
228 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
229 NULL, NULL, NULL, NULL};
230 int acl_narg = 0;
231
232 uschar *acl_not_smtp = NULL;
233 #ifdef WITH_CONTENT_SCAN
234 uschar *acl_not_smtp_mime = NULL;
235 #endif
236 uschar *acl_not_smtp_start = NULL;
237 uschar *acl_removed_headers = NULL;
238 uschar *acl_smtp_auth = NULL;
239 uschar *acl_smtp_connect = NULL;
240 uschar *acl_smtp_data = NULL;
241 #ifndef DISABLE_PRDR
242 uschar *acl_smtp_data_prdr = US"accept";
243 #endif
244 #ifndef DISABLE_DKIM
245 uschar *acl_smtp_dkim = NULL;
246 #endif
247 uschar *acl_smtp_etrn = NULL;
248 uschar *acl_smtp_expn = NULL;
249 uschar *acl_smtp_helo = NULL;
250 uschar *acl_smtp_mail = NULL;
251 uschar *acl_smtp_mailauth = NULL;
252 #ifdef WITH_CONTENT_SCAN
253 uschar *acl_smtp_mime = NULL;
254 #endif
255 uschar *acl_smtp_notquit = NULL;
256 uschar *acl_smtp_predata = NULL;
257 uschar *acl_smtp_quit = NULL;
258 uschar *acl_smtp_rcpt = NULL;
259 uschar *acl_smtp_starttls = NULL;
260 uschar *acl_smtp_vrfy = NULL;
261
262 BOOL acl_temp_details = FALSE;
263 tree_node *acl_var_c = NULL;
264 tree_node *acl_var_m = NULL;
265 uschar *acl_verify_message = NULL;
266 string_item *acl_warn_logged = NULL;
267
268 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
269 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
270
271 uschar *acl_wherenames[] = { US"RCPT",
272 US"MAIL",
273 US"PREDATA",
274 US"MIME",
275 US"DKIM",
276 US"DATA",
277 #ifndef DISABLE_PRDR
278 US"PRDR",
279 #endif
280 US"non-SMTP",
281 US"AUTH",
282 US"connection",
283 US"ETRN",
284 US"EXPN",
285 US"EHLO or HELO",
286 US"MAILAUTH",
287 US"non-SMTP-start",
288 US"NOTQUIT",
289 US"QUIT",
290 US"STARTTLS",
291 US"VRFY",
292 US"delivery",
293 US"unknown"
294 };
295
296 uschar *acl_wherecodes[] = { US"550", /* RCPT */
297 US"550", /* MAIL */
298 US"550", /* PREDATA */
299 US"550", /* MIME */
300 US"550", /* DKIM */
301 US"550", /* DATA */
302 #ifndef DISABLE_PRDR
303 US"550", /* RCPT PRDR */
304 #endif
305 US"0", /* not SMTP; not relevant */
306 US"503", /* AUTH */
307 US"550", /* connect */
308 US"458", /* ETRN */
309 US"550", /* EXPN */
310 US"550", /* HELO/EHLO */
311 US"0", /* MAILAUTH; not relevant */
312 US"0", /* not SMTP; not relevant */
313 US"0", /* NOTQUIT; not relevant */
314 US"0", /* QUIT; not relevant */
315 US"550", /* STARTTLS */
316 US"252", /* VRFY */
317 US"0", /* delivery; not relevant */
318 US"0" /* unknown; not relevant */
319 };
320
321 BOOL active_local_from_check = FALSE;
322 BOOL active_local_sender_retain = FALSE;
323 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
324 uschar *add_environment = NULL;
325 address_item *addr_duplicate = NULL;
326
327 address_item address_defaults = {
328 NULL, /* next */
329 NULL, /* parent */
330 NULL, /* first */
331 NULL, /* dupof */
332 NULL, /* start_router */
333 NULL, /* router */
334 NULL, /* transport */
335 NULL, /* host_list */
336 NULL, /* host_used */
337 NULL, /* fallback_hosts */
338 NULL, /* reply */
339 NULL, /* retries */
340 NULL, /* address */
341 NULL, /* unique */
342 NULL, /* cc_local_part */
343 NULL, /* lc_local_part */
344 NULL, /* local_part */
345 NULL, /* prefix */
346 NULL, /* suffix */
347 NULL, /* domain */
348 NULL, /* address_retry_key */
349 NULL, /* domain_retry_key */
350 NULL, /* current_dir */
351 NULL, /* home_dir */
352 NULL, /* message */
353 NULL, /* user_message */
354 NULL, /* onetime_parent */
355 NULL, /* pipe_expandn */
356 NULL, /* return_filename */
357 NULL, /* self_hostname */
358 NULL, /* shadow_message */
359 #ifdef SUPPORT_TLS
360 NULL, /* cipher */
361 NULL, /* ourcert */
362 NULL, /* peercert */
363 NULL, /* peerdn */
364 OCSP_NOT_REQ, /* ocsp */
365 #endif
366 #ifdef EXPERIMENTAL_DSN_INFO
367 NULL, /* smtp_greeting */
368 NULL, /* helo_response */
369 #endif
370 NULL, /* authenticator */
371 NULL, /* auth_id */
372 NULL, /* auth_sndr */
373 NULL, /* dsn_orcpt */
374 0, /* dsn_flags */
375 0, /* dsn_aware */
376 (uid_t)(-1), /* uid */
377 (gid_t)(-1), /* gid */
378 0, /* flags */
379 { 0 }, /* domain_cache - any larger array should be zeroed */
380 { 0 }, /* localpart_cache - ditto */
381 -1, /* mode */
382 0, /* more_errno */
383 ERRNO_UNKNOWNERROR, /* basic_errno */
384 0, /* child_count */
385 -1, /* return_file */
386 SPECIAL_NONE, /* special_action */
387 DEFER, /* transport_return */
388 { /* fields that are propagated to children */
389 NULL, /* address_data */
390 NULL, /* domain_data */
391 NULL, /* localpart_data */
392 NULL, /* errors_address */
393 NULL, /* extra_headers */
394 NULL, /* remove_headers */
395 #ifdef EXPERIMENTAL_SRS
396 NULL, /* srs_sender */
397 #endif
398 #ifdef SUPPORT_I18N
399 FALSE, /* utf8 */
400 #endif
401 }
402 };
403
404 uschar *address_file = NULL;
405 uschar *address_pipe = NULL;
406 BOOL address_test_mode = FALSE;
407 tree_node *addresslist_anchor = NULL;
408 int addresslist_count = 0;
409 gid_t *admin_groups = NULL;
410 BOOL admin_user = FALSE;
411 BOOL allow_auth_unadvertised= FALSE;
412 BOOL allow_domain_literals = FALSE;
413 BOOL allow_mx_to_ip = FALSE;
414 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
415 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
416 BOOL allow_utf8_domains = FALSE;
417 uschar *authenticated_fail_id = NULL;
418 uschar *authenticated_id = NULL;
419 uschar *authenticated_sender = NULL;
420 BOOL authentication_failed = FALSE;
421 auth_instance *auths = NULL;
422 uschar *auth_advertise_hosts = US"*";
423 auth_instance auth_defaults = {
424 NULL, /* chain pointer */
425 NULL, /* name */
426 NULL, /* info */
427 NULL, /* private options block pointer */
428 NULL, /* driver_name */
429 NULL, /* advertise_condition */
430 NULL, /* client_condition */
431 NULL, /* public_name */
432 NULL, /* set_id */
433 NULL, /* set_client_id */
434 NULL, /* server_mail_auth_condition */
435 NULL, /* server_debug_string */
436 NULL, /* server_condition */
437 FALSE, /* client */
438 FALSE, /* server */
439 FALSE /* advertised */
440 };
441
442 uschar *auth_defer_msg = US"reason not recorded";
443 uschar *auth_defer_user_msg = US"";
444 uschar *auth_vars[AUTH_VARS];
445 int auto_thaw = 0;
446 #ifdef WITH_CONTENT_SCAN
447 BOOL av_failed = FALSE;
448 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
449 #endif
450
451 BOOL background_daemon = TRUE;
452
453 #if BASE_62 == 62
454 uschar *base62_chars=
455 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
456 #else
457 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
458 #endif
459
460 uschar *bi_command = NULL;
461 uschar *big_buffer = NULL;
462 int big_buffer_size = BIG_BUFFER_SIZE;
463 #ifdef EXPERIMENTAL_BRIGHTMAIL
464 uschar *bmi_alt_location = NULL;
465 uschar *bmi_base64_tracker_verdict = NULL;
466 uschar *bmi_base64_verdict = NULL;
467 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
468 int bmi_deliver = 1;
469 int bmi_run = 0;
470 uschar *bmi_verdicts = NULL;
471 #endif
472 int body_8bitmime = 0;
473 int body_linecount = 0;
474 int body_zerocount = 0;
475 uschar *bounce_message_file = NULL;
476 uschar *bounce_message_text = NULL;
477 uschar *bounce_recipient = NULL;
478 BOOL bounce_return_body = TRUE;
479 int bounce_return_linesize_limit = 998;
480 BOOL bounce_return_message = TRUE;
481 int bounce_return_size_limit = 100*1024;
482 uschar *bounce_sender_authentication = NULL;
483 int bsmtp_transaction_linecount = 0;
484
485 uschar *callout_address = NULL;
486 int callout_cache_domain_positive_expire = 7*24*60*60;
487 int callout_cache_domain_negative_expire = 3*60*60;
488 int callout_cache_positive_expire = 24*60*60;
489 int callout_cache_negative_expire = 2*60*60;
490 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
491 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
492 int check_log_inodes = 0;
493 int check_log_space = 0;
494 BOOL check_rfc2047_length = TRUE;
495 int check_spool_inodes = 0;
496 int check_spool_space = 0;
497
498 uschar *chunking_advertise_hosts = US"*";
499 unsigned chunking_datasize = 0;
500 unsigned chunking_data_left = 0;
501 BOOL chunking_offered = FALSE;
502 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
503 const pcre *regex_CHUNKING = NULL;
504
505 uschar *client_authenticator = NULL;
506 uschar *client_authenticated_id = NULL;
507 uschar *client_authenticated_sender = NULL;
508 int clmacro_count = 0;
509 uschar *clmacros[MAX_CLMACROS];
510 BOOL config_changed = FALSE;
511 FILE *config_file = NULL;
512 uschar *config_filename = NULL;
513 int config_lineno = 0;
514 #ifdef CONFIGURE_GROUP
515 gid_t config_gid = CONFIGURE_GROUP;
516 #endif
517 uschar *config_main_filelist = US CONFIGURE_FILE
518 "\0<-----------Space to patch configure_filename->";
519 uschar *config_main_filename = NULL;
520 uschar *config_main_directory = NULL;
521
522 #ifdef CONFIGURE_OWNER
523 uid_t config_uid = CONFIGURE_OWNER;
524 #endif
525
526 int connection_max_messages= -1;
527 uschar *continue_hostname = NULL;
528 uschar *continue_host_address = NULL;
529 BOOL continue_more = FALSE;
530 int continue_sequence = 1;
531 uschar *continue_transport = NULL;
532
533 uschar *csa_status = NULL;
534 cut_t cutthrough = {
535 FALSE, /* delivery: when to attempt */
536 -1, /* fd: open connection */
537 0, /* nrcpt: number of addresses */
538 };
539
540 BOOL daemon_listen = FALSE;
541 uschar *daemon_smtp_port = US"smtp";
542 int daemon_startup_retries = 9;
543 int daemon_startup_sleep = 30;
544
545 #ifdef EXPERIMENTAL_DCC
546 BOOL dcc_direct_add_header = FALSE;
547 uschar *dcc_header = NULL;
548 uschar *dcc_result = NULL;
549 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
550 uschar *dccifd_options = US"header";
551 #endif
552
553 BOOL debug_daemon = FALSE;
554 int debug_fd = -1;
555 FILE *debug_file = NULL;
556 int debug_notall[] = {
557 Di_memory,
558 -1
559 };
560 bit_table debug_options[] = { /* must be in alphabetical order */
561 BIT_TABLE(D, acl),
562 BIT_TABLE(D, all),
563 BIT_TABLE(D, auth),
564 BIT_TABLE(D, deliver),
565 BIT_TABLE(D, dns),
566 BIT_TABLE(D, dnsbl),
567 BIT_TABLE(D, exec),
568 BIT_TABLE(D, expand),
569 BIT_TABLE(D, filter),
570 BIT_TABLE(D, hints_lookup),
571 BIT_TABLE(D, host_lookup),
572 BIT_TABLE(D, ident),
573 BIT_TABLE(D, interface),
574 BIT_TABLE(D, lists),
575 BIT_TABLE(D, load),
576 BIT_TABLE(D, local_scan),
577 BIT_TABLE(D, lookup),
578 BIT_TABLE(D, memory),
579 BIT_TABLE(D, pid),
580 BIT_TABLE(D, process_info),
581 BIT_TABLE(D, queue_run),
582 BIT_TABLE(D, receive),
583 BIT_TABLE(D, resolver),
584 BIT_TABLE(D, retry),
585 BIT_TABLE(D, rewrite),
586 BIT_TABLE(D, route),
587 BIT_TABLE(D, timestamp),
588 BIT_TABLE(D, tls),
589 BIT_TABLE(D, transport),
590 BIT_TABLE(D, uid),
591 BIT_TABLE(D, verify),
592 };
593 int debug_options_count = nelem(debug_options);
594
595 unsigned int debug_selector = 0;
596 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
597 uschar *delay_warning_condition=
598 US"${if or {"
599 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
600 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
601 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
602 "} {no}{yes}}";
603 BOOL delivery_date_remove = TRUE;
604 uschar *deliver_address_data = NULL;
605 int deliver_datafile = -1;
606 const uschar *deliver_domain = NULL;
607 uschar *deliver_domain_data = NULL;
608 const uschar *deliver_domain_orig = NULL;
609 const uschar *deliver_domain_parent = NULL;
610 BOOL deliver_drop_privilege = FALSE;
611 BOOL deliver_firsttime = FALSE;
612 BOOL deliver_force = FALSE;
613 BOOL deliver_freeze = FALSE;
614 time_t deliver_frozen_at = 0;
615 uschar *deliver_home = NULL;
616 const uschar *deliver_host = NULL;
617 const uschar *deliver_host_address = NULL;
618 int deliver_host_port = 0;
619 uschar *deliver_in_buffer = NULL;
620 ino_t deliver_inode = 0;
621 uschar *deliver_localpart = NULL;
622 uschar *deliver_localpart_data = NULL;
623 uschar *deliver_localpart_orig = NULL;
624 uschar *deliver_localpart_parent = NULL;
625 uschar *deliver_localpart_prefix = NULL;
626 uschar *deliver_localpart_suffix = NULL;
627 BOOL deliver_force_thaw = FALSE;
628 BOOL deliver_manual_thaw = FALSE;
629 uschar *deliver_out_buffer = NULL;
630 int deliver_queue_load_max = -1;
631 address_item *deliver_recipients = NULL;
632 uschar *deliver_selectstring = NULL;
633 BOOL deliver_selectstring_regex = FALSE;
634 uschar *deliver_selectstring_sender = NULL;
635 BOOL deliver_selectstring_sender_regex = FALSE;
636 BOOL disable_callout_flush = FALSE;
637 BOOL disable_delay_flush = FALSE;
638 #ifdef ENABLE_DISABLE_FSYNC
639 BOOL disable_fsync = FALSE;
640 #endif
641 BOOL disable_ipv6 = FALSE;
642 BOOL disable_logging = FALSE;
643
644 #ifndef DISABLE_DKIM
645 BOOL dkim_collect_input = FALSE;
646 uschar *dkim_cur_signer = NULL;
647 BOOL dkim_disable_verify = FALSE;
648 int dkim_key_length = 0;
649 uschar *dkim_signers = NULL;
650 uschar *dkim_signing_domain = NULL;
651 uschar *dkim_signing_selector = NULL;
652 uschar *dkim_verify_signers = US"$dkim_signers";
653 #endif
654 #ifdef EXPERIMENTAL_DMARC
655 BOOL dmarc_has_been_checked = FALSE;
656 uschar *dmarc_ar_header = NULL;
657 uschar *dmarc_domain_policy = NULL;
658 uschar *dmarc_forensic_sender = NULL;
659 uschar *dmarc_history_file = NULL;
660 uschar *dmarc_status = NULL;
661 uschar *dmarc_status_text = NULL;
662 uschar *dmarc_tld_file = NULL;
663 uschar *dmarc_used_domain = NULL;
664 BOOL dmarc_disable_verify = FALSE;
665 BOOL dmarc_enable_forensic = FALSE;
666 #endif
667
668 uschar *dns_again_means_nonexist = NULL;
669 int dns_csa_search_limit = 5;
670 BOOL dns_csa_use_reverse = TRUE;
671 #ifdef EXPERIMENTAL_DANE
672 int dns_dane_ok = -1;
673 #endif
674 uschar *dns_ipv4_lookup = NULL;
675 int dns_retrans = 0;
676 int dns_retry = 0;
677 int dns_dnssec_ok = -1; /* <0 = not coerced */
678 uschar *dns_trust_aa = NULL;
679 int dns_use_edns0 = -1; /* <0 = not coerced */
680 uschar *dnslist_domain = NULL;
681 uschar *dnslist_matched = NULL;
682 uschar *dnslist_text = NULL;
683 uschar *dnslist_value = NULL;
684 tree_node *domainlist_anchor = NULL;
685 int domainlist_count = 0;
686 BOOL dont_deliver = FALSE;
687 BOOL dot_ends = TRUE;
688 BOOL drop_cr = FALSE; /* No longer used */
689 uschar *dsn_from = US DEFAULT_DSN_FROM;
690
691 BOOL enable_dollar_recipients = FALSE;
692 BOOL envelope_to_remove = TRUE;
693 int errno_quota = ERRNO_QUOTA;
694 uschar *errors_copy = NULL;
695 int error_handling = ERRORS_SENDER;
696 uschar *errors_reply_to = NULL;
697 int errors_sender_rc = EXIT_FAILURE;
698 #ifndef DISABLE_EVENT
699 uschar *event_action = NULL; /* expansion for delivery events */
700 uschar *event_data = NULL; /* auxilary data variable for event */
701 int event_defer_errno = 0;
702 const uschar *event_name = NULL; /* event name variable */
703 #endif
704
705
706 gid_t exim_gid = EXIM_GID;
707 BOOL exim_gid_set = TRUE; /* This gid is always set */
708 uschar *exim_path = US BIN_DIRECTORY "/exim"
709 "\0<---------------Space to patch exim_path->";
710 uid_t exim_uid = EXIM_UID;
711 BOOL exim_uid_set = TRUE; /* This uid is always set */
712 int expand_forbid = 0;
713 int expand_nlength[EXPAND_MAXN+1];
714 int expand_nmax = -1;
715 uschar *expand_nstring[EXPAND_MAXN+1];
716 BOOL expand_string_forcedfail = FALSE;
717 uschar *expand_string_message;
718 BOOL extract_addresses_remove_arguments = TRUE;
719 uschar *extra_local_interfaces = NULL;
720
721 int fake_response = OK;
722 uschar *fake_response_text = US"Your message has been rejected but is "
723 "being kept for evaluation.\nIf it was a "
724 "legitimate message, it may still be "
725 "delivered to the target recipient(s).";
726 int filter_n[FILTER_VARIABLE_COUNT];
727 BOOL filter_running = FALSE;
728 int filter_sn[FILTER_VARIABLE_COUNT];
729 int filter_test = FTEST_NONE;
730 uschar *filter_test_sfile = NULL;
731 uschar *filter_test_ufile = NULL;
732 uschar *filter_thisaddress = NULL;
733 int finduser_retries = 0;
734 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
735 uschar *freeze_tell = NULL;
736 uschar *freeze_tell_config = NULL;
737 uschar *fudged_queue_times = US"";
738
739 uschar *gecos_name = NULL;
740 uschar *gecos_pattern = NULL;
741 rewrite_rule *global_rewrite_rules = NULL;
742
743 uschar *headers_charset = US HEADERS_CHARSET;
744 int header_insert_maxlen = 64 * 1024;
745 header_line *header_last = NULL;
746 header_line *header_list = NULL;
747 int header_maxsize = HEADER_MAXSIZE;
748 int header_line_maxsize = 0;
749
750 header_name header_names[] = {
751 { US"bcc", 3, TRUE, htype_bcc },
752 { US"cc", 2, TRUE, htype_cc },
753 { US"date", 4, TRUE, htype_date },
754 { US"delivery-date", 13, FALSE, htype_delivery_date },
755 { US"envelope-to", 11, FALSE, htype_envelope_to },
756 { US"from", 4, TRUE, htype_from },
757 { US"message-id", 10, TRUE, htype_id },
758 { US"received", 8, FALSE, htype_received },
759 { US"reply-to", 8, FALSE, htype_reply_to },
760 { US"return-path", 11, FALSE, htype_return_path },
761 { US"sender", 6, TRUE, htype_sender },
762 { US"subject", 7, FALSE, htype_subject },
763 { US"to", 2, TRUE, htype_to }
764 };
765
766 int header_names_size = sizeof(header_names)/sizeof(header_name);
767
768 BOOL header_rewritten = FALSE;
769 uschar *helo_accept_junk_hosts = NULL;
770 uschar *helo_allow_chars = US"";
771 uschar *helo_lookup_domains = US"@ : @[]";
772 uschar *helo_try_verify_hosts = NULL;
773 BOOL helo_verified = FALSE;
774 BOOL helo_verify_failed = FALSE;
775 uschar *helo_verify_hosts = NULL;
776 const uschar *hex_digits = CUS"0123456789abcdef";
777 uschar *hold_domains = NULL;
778 BOOL host_checking = FALSE;
779 BOOL host_checking_callout = FALSE;
780 uschar *host_data = NULL;
781 BOOL host_find_failed_syntax= FALSE;
782 uschar *host_lookup = NULL;
783 BOOL host_lookup_deferred = FALSE;
784 BOOL host_lookup_failed = FALSE;
785 uschar *host_lookup_order = US"bydns:byaddr";
786 uschar *host_lookup_msg = US"";
787 int host_number = 0;
788 uschar *host_number_string = NULL;
789 uschar *host_reject_connection = NULL;
790 tree_node *hostlist_anchor = NULL;
791 int hostlist_count = 0;
792 uschar *hosts_treat_as_local = NULL;
793 uschar *hosts_connection_nolog = NULL;
794
795 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
796 BOOL ignore_fromline_local = FALSE;
797 uschar *ignore_fromline_hosts = NULL;
798 BOOL inetd_wait_mode = FALSE;
799 int inetd_wait_timeout = -1;
800 uschar *initial_cwd = NULL;
801 uschar *interface_address = NULL;
802 int interface_port = -1;
803 BOOL is_inetd = FALSE;
804 uschar *iterate_item = NULL;
805
806 int journal_fd = -1;
807
808 uschar *keep_environment = NULL;
809
810 int keep_malformed = 4*24*60*60; /* 4 days */
811
812 uschar *eldap_dn = NULL;
813 int load_average = -2;
814 BOOL local_error_message = FALSE;
815 BOOL local_from_check = TRUE;
816 uschar *local_from_prefix = NULL;
817 uschar *local_from_suffix = NULL;
818
819 #if HAVE_IPV6
820 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
821 #else
822 uschar *local_interfaces = US"0.0.0.0";
823 #endif
824
825 uschar *local_scan_data = NULL;
826 int local_scan_timeout = 5*60;
827 BOOL local_sender_retain = FALSE;
828 gid_t local_user_gid = (gid_t)(-1);
829 uid_t local_user_uid = (uid_t)(-1);
830
831 tree_node *localpartlist_anchor= NULL;
832 int localpartlist_count = 0;
833 uschar *log_buffer = NULL;
834
835 int log_default[] = { /* for initializing log_selector */
836 Li_acl_warn_skipped,
837 Li_connection_reject,
838 Li_delay_delivery,
839 Li_dnslist_defer,
840 Li_etrn,
841 Li_host_lookup_failed,
842 Li_lost_incoming_connection,
843 Li_outgoing_interface, /* see d_log_interface in deliver.c */
844 Li_queue_run,
845 Li_rejected_header,
846 Li_retry_defer,
847 Li_sender_verify_fail,
848 Li_size_reject,
849 Li_skip_delivery,
850 Li_smtp_confirmation,
851 Li_tls_certificate_verified,
852 Li_tls_cipher,
853 -1
854 };
855
856 uschar *log_file_path = US LOG_FILE_PATH
857 "\0<--------------Space to patch log_file_path->";
858
859 int log_notall[] = {
860 -1
861 };
862 bit_table log_options[] = { /* must be in alphabetical order */
863 BIT_TABLE(L, 8bitmime),
864 BIT_TABLE(L, acl_warn_skipped),
865 BIT_TABLE(L, address_rewrite),
866 BIT_TABLE(L, all),
867 BIT_TABLE(L, all_parents),
868 BIT_TABLE(L, arguments),
869 BIT_TABLE(L, connection_reject),
870 BIT_TABLE(L, delay_delivery),
871 BIT_TABLE(L, deliver_time),
872 BIT_TABLE(L, delivery_size),
873 BIT_TABLE(L, dnslist_defer),
874 BIT_TABLE(L, dnssec),
875 BIT_TABLE(L, etrn),
876 BIT_TABLE(L, host_lookup_failed),
877 BIT_TABLE(L, ident_timeout),
878 BIT_TABLE(L, incoming_interface),
879 BIT_TABLE(L, incoming_port),
880 BIT_TABLE(L, lost_incoming_connection),
881 BIT_TABLE(L, outgoing_interface),
882 BIT_TABLE(L, outgoing_port),
883 BIT_TABLE(L, pid),
884 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
885 BIT_TABLE(L, proxy),
886 #endif
887 BIT_TABLE(L, queue_run),
888 BIT_TABLE(L, queue_time),
889 BIT_TABLE(L, queue_time_overall),
890 BIT_TABLE(L, received_recipients),
891 BIT_TABLE(L, received_sender),
892 BIT_TABLE(L, rejected_header),
893 { US"rejected_headers", Li_rejected_header },
894 BIT_TABLE(L, retry_defer),
895 BIT_TABLE(L, return_path_on_delivery),
896 BIT_TABLE(L, sender_on_delivery),
897 BIT_TABLE(L, sender_verify_fail),
898 BIT_TABLE(L, size_reject),
899 BIT_TABLE(L, skip_delivery),
900 BIT_TABLE(L, smtp_confirmation),
901 BIT_TABLE(L, smtp_connection),
902 BIT_TABLE(L, smtp_incomplete_transaction),
903 BIT_TABLE(L, smtp_mailauth),
904 BIT_TABLE(L, smtp_no_mail),
905 BIT_TABLE(L, smtp_protocol_error),
906 BIT_TABLE(L, smtp_syntax_error),
907 BIT_TABLE(L, subject),
908 BIT_TABLE(L, tls_certificate_verified),
909 BIT_TABLE(L, tls_cipher),
910 BIT_TABLE(L, tls_peerdn),
911 BIT_TABLE(L, tls_sni),
912 BIT_TABLE(L, unknown_in_list),
913 };
914 int log_options_count = nelem(log_options);
915
916 int log_reject_target = 0;
917 unsigned int log_selector[log_selector_size]; /* initialized in main() */
918 uschar *log_selector_string = NULL;
919 FILE *log_stderr = NULL;
920 BOOL log_testing_mode = FALSE;
921 BOOL log_timezone = FALSE;
922 uschar *login_sender_address = NULL;
923 uschar *lookup_dnssec_authenticated = NULL;
924 int lookup_open_max = 25;
925 uschar *lookup_value = NULL;
926
927 macro_item *macros = NULL;
928 uschar *mailstore_basename = NULL;
929 #ifdef WITH_CONTENT_SCAN
930 uschar *malware_name = NULL; /* Virus Name */
931 #endif
932 int max_received_linelength= 0;
933 int max_username_length = 0;
934 int message_age = 0;
935 uschar *message_body = NULL;
936 uschar *message_body_end = NULL;
937 BOOL message_body_newlines = FALSE;
938 int message_body_size = 0;
939 int message_body_visible = 500;
940 int message_ended = END_NOTSTARTED;
941 uschar *message_headers = NULL;
942 uschar *message_id;
943 uschar *message_id_domain = NULL;
944 uschar *message_id_text = NULL;
945 struct timeval message_id_tv = { 0, 0 };
946 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
947 uschar *message_id_external;
948 int message_linecount = 0;
949 BOOL message_logs = TRUE;
950 int message_size = 0;
951 uschar *message_size_limit = US"50M";
952 #ifdef SUPPORT_I18N
953 BOOL message_smtputf8 = FALSE;
954 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
955 #endif
956 uschar message_subdir[2] = { 0, 0 };
957 uschar *message_reference = NULL;
958
959 /* MIME ACL expandables */
960 #ifdef WITH_CONTENT_SCAN
961 int mime_anomaly_level = 0;
962 const uschar *mime_anomaly_text = NULL;
963 uschar *mime_boundary = NULL;
964 uschar *mime_charset = NULL;
965 uschar *mime_content_description = NULL;
966 uschar *mime_content_disposition = NULL;
967 uschar *mime_content_id = NULL;
968 unsigned int mime_content_size = 0;
969 uschar *mime_content_transfer_encoding = NULL;
970 uschar *mime_content_type = NULL;
971 uschar *mime_decoded_filename = NULL;
972 uschar *mime_filename = NULL;
973 int mime_is_multipart = 0;
974 int mime_is_coverletter = 0;
975 int mime_is_rfc822 = 0;
976 int mime_part_count = -1;
977 #endif
978
979 BOOL mua_wrapper = FALSE;
980
981 uid_t *never_users = NULL;
982 #ifdef WITH_CONTENT_SCAN
983 BOOL no_mbox_unspool = FALSE;
984 #endif
985 BOOL no_multiline_responses = FALSE;
986
987 uid_t original_euid;
988 gid_t originator_gid;
989 uschar *originator_login = NULL;
990 uschar *originator_name = NULL;
991 uid_t originator_uid;
992 uschar *override_local_interfaces = NULL;
993 uschar *override_pid_file_path = NULL;
994
995 BOOL parse_allow_group = FALSE;
996 BOOL parse_found_group = FALSE;
997 uschar *percent_hack_domains = NULL;
998 uschar *pid_file_path = US PID_FILE_PATH
999 "\0<--------------Space to patch pid_file_path->";
1000 BOOL pipelining_enable = TRUE;
1001 uschar *pipelining_advertise_hosts = US"*";
1002 BOOL preserve_message_logs = FALSE;
1003 uschar *primary_hostname = NULL;
1004 BOOL print_topbitchars = FALSE;
1005 uschar process_info[PROCESS_INFO_SIZE];
1006 int process_info_len = 0;
1007 uschar *process_log_path = NULL;
1008 BOOL prod_requires_admin = TRUE;
1009
1010 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1011 uschar *hosts_proxy = US"";
1012 uschar *proxy_external_address = US"";
1013 int proxy_external_port = 0;
1014 uschar *proxy_local_address = US"";
1015 int proxy_local_port = 0;
1016 BOOL proxy_session = FALSE;
1017 BOOL proxy_session_failed = FALSE;
1018 #endif
1019
1020 uschar *prvscheck_address = NULL;
1021 uschar *prvscheck_keynum = NULL;
1022 uschar *prvscheck_result = NULL;
1023
1024
1025 const uschar *qualify_domain_recipient = NULL;
1026 uschar *qualify_domain_sender = NULL;
1027 BOOL queue_2stage = FALSE;
1028 uschar *queue_domains = NULL;
1029 int queue_interval = -1;
1030 BOOL queue_list_requires_admin = TRUE;
1031 uschar *queue_name = US"";
1032 BOOL queue_only = FALSE;
1033 uschar *queue_only_file = NULL;
1034 int queue_only_load = -1;
1035 BOOL queue_only_load_latch = TRUE;
1036 BOOL queue_only_override = TRUE;
1037 BOOL queue_only_policy = FALSE;
1038 BOOL queue_run_first_delivery = FALSE;
1039 BOOL queue_run_force = FALSE;
1040 BOOL queue_run_in_order = FALSE;
1041 BOOL queue_run_local = FALSE;
1042 uschar *queue_run_max = US"5";
1043 pid_t queue_run_pid = (pid_t)0;
1044 int queue_run_pipe = -1;
1045 BOOL queue_running = FALSE;
1046 BOOL queue_smtp = FALSE;
1047 uschar *queue_smtp_domains = NULL;
1048
1049 unsigned int random_seed = 0;
1050 tree_node *ratelimiters_cmd = NULL;
1051 tree_node *ratelimiters_conn = NULL;
1052 tree_node *ratelimiters_mail = NULL;
1053 uschar *raw_active_hostname = NULL;
1054 uschar *raw_sender = NULL;
1055 uschar **raw_recipients = NULL;
1056 int raw_recipients_count = 0;
1057
1058 int rcpt_count = 0;
1059 int rcpt_fail_count = 0;
1060 int rcpt_defer_count = 0;
1061 gid_t real_gid;
1062 uid_t real_uid;
1063 BOOL really_exim = TRUE;
1064 BOOL receive_call_bombout = FALSE;
1065 int receive_linecount = 0;
1066 int receive_messagecount = 0;
1067 int receive_timeout = 0;
1068 int received_count = 0;
1069 uschar *received_for = NULL;
1070
1071 /* This is the default text for Received headers generated by Exim. The
1072 date will be automatically added on the end. */
1073
1074 uschar *received_header_text = US
1075 "Received: "
1076 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1077 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1078 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1079 "by $primary_hostname "
1080 "${if def:received_protocol {with $received_protocol}} "
1081 #ifdef SUPPORT_TLS
1082 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1083 #endif
1084 "(Exim $version_number)\n\t"
1085 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1086 "id $message_exim_id"
1087 "${if def:received_for {\n\tfor $received_for}}"
1088 "\0<---------------Space to patch received_header_text->";
1089
1090 int received_headers_max = 30;
1091 uschar *received_protocol = NULL;
1092 int received_time = 0;
1093 uschar *recipient_data = NULL;
1094 uschar *recipient_unqualified_hosts = NULL;
1095 uschar *recipient_verify_failure = NULL;
1096 int recipients_count = 0;
1097 BOOL recipients_discarded = FALSE;
1098 recipient_item *recipients_list = NULL;
1099 int recipients_list_max = 0;
1100 int recipients_max = 0;
1101 BOOL recipients_max_reject = FALSE;
1102 const pcre *regex_AUTH = NULL;
1103 const pcre *regex_check_dns_names = NULL;
1104 const pcre *regex_From = NULL;
1105 const pcre *regex_IGNOREQUOTA = NULL;
1106 const pcre *regex_PIPELINING = NULL;
1107 const pcre *regex_SIZE = NULL;
1108 const pcre *regex_ismsgid = NULL;
1109 const pcre *regex_smtp_code = NULL;
1110 uschar *regex_vars[REGEX_VARS];
1111 #ifdef WHITELIST_D_MACROS
1112 const pcre *regex_whitelisted_macro = NULL;
1113 #endif
1114 #ifdef WITH_CONTENT_SCAN
1115 uschar *regex_match_string = NULL;
1116 #endif
1117 int remote_delivery_count = 0;
1118 int remote_max_parallel = 2;
1119 uschar *remote_sort_domains = NULL;
1120 int retry_data_expire = 7*24*60*60;
1121 int retry_interval_max = 24*60*60;
1122 int retry_maximum_timeout = 0; /* set from retry config */
1123 retry_config *retries = NULL;
1124 uschar *return_path = NULL;
1125 BOOL return_path_remove = TRUE;
1126 int rewrite_existflags = 0;
1127 uschar *rfc1413_hosts = US"@[]";
1128 int rfc1413_query_timeout = 0;
1129 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1130 uid_t root_gid = ROOT_GID;
1131 uid_t root_uid = ROOT_UID;
1132
1133 router_instance *routers = NULL;
1134 router_instance router_defaults = {
1135 NULL, /* chain pointer */
1136 NULL, /* name */
1137 NULL, /* info */
1138 NULL, /* private options block pointer */
1139 NULL, /* driver name */
1140
1141 NULL, /* address_data */
1142 #ifdef EXPERIMENTAL_BRIGHTMAIL
1143 NULL, /* bmi_rule */
1144 #endif
1145 NULL, /* cannot_route_message */
1146 NULL, /* condition */
1147 NULL, /* current_directory */
1148 NULL, /* debug_string */
1149 NULL, /* domains */
1150 NULL, /* errors_to */
1151 NULL, /* expand_gid */
1152 NULL, /* expand_uid */
1153 NULL, /* expand_more */
1154 NULL, /* expand_unseen */
1155 NULL, /* extra_headers */
1156 NULL, /* fallback_hosts */
1157 NULL, /* home_directory */
1158 NULL, /* ignore_target_hosts */
1159 NULL, /* local_parts */
1160 NULL, /* pass_router_name */
1161 NULL, /* prefix */
1162 NULL, /* redirect_router_name */
1163 NULL, /* remove_headers */
1164 NULL, /* require_files */
1165 NULL, /* router_home_directory */
1166 US"freeze", /* self */
1167 NULL, /* senders */
1168 NULL, /* suffix */
1169 NULL, /* translate_ip_address */
1170 NULL, /* transport_name */
1171
1172 TRUE, /* address_test */
1173 #ifdef EXPERIMENTAL_BRIGHTMAIL
1174 FALSE, /* bmi_deliver_alternate */
1175 FALSE, /* bmi_deliver_default */
1176 FALSE, /* bmi_dont_deliver */
1177 #endif
1178 TRUE, /* expn */
1179 FALSE, /* caseful_local_part */
1180 FALSE, /* check_local_user */
1181 FALSE, /* disable_logging */
1182 FALSE, /* fail_verify_recipient */
1183 FALSE, /* fail_verify_sender */
1184 FALSE, /* gid_set */
1185 FALSE, /* initgroups */
1186 TRUE_UNSET, /* log_as_local */
1187 TRUE, /* more */
1188 FALSE, /* pass_on_timeout */
1189 FALSE, /* prefix_optional */
1190 TRUE, /* repeat_use */
1191 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1192 FALSE, /* same_domain_copy_routing */
1193 FALSE, /* self_rewrite */
1194 FALSE, /* suffix_optional */
1195 FALSE, /* verify_only */
1196 TRUE, /* verify_recipient */
1197 TRUE, /* verify_sender */
1198 FALSE, /* uid_set */
1199 FALSE, /* unseen */
1200 FALSE, /* dsn_lasthop */
1201
1202 self_freeze, /* self_code */
1203 (uid_t)(-1), /* uid */
1204 (gid_t)(-1), /* gid */
1205
1206 NULL, /* fallback_hostlist */
1207 NULL, /* transport instance */
1208 NULL, /* pass_router */
1209 NULL, /* redirect_router */
1210
1211 { NULL, NULL }, /* dnssec_domains {require,request} */
1212 };
1213
1214 uschar *router_name = NULL;
1215
1216 ip_address_item *running_interfaces = NULL;
1217 BOOL running_in_test_harness = FALSE;
1218
1219 /* This is a weird one. The following string gets patched in the binary by the
1220 script that sets up a copy of Exim for running in the test harness. It seems
1221 that compilers are now clever, and share constant strings if they can.
1222 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1223 make use of the end of this string in order to save space. So the patching then
1224 wrecks this. We defeat this optimization by adding some additional characters
1225 onto the end of the string. */
1226
1227 uschar *running_status = US">>>running<<<" "\0EXTRA";
1228
1229 int runrc = 0;
1230
1231 uschar *search_error_message = NULL;
1232 BOOL search_find_defer = FALSE;
1233 uschar *self_hostname = NULL;
1234 uschar *sender_address = NULL;
1235 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1236 uschar *sender_address_data = NULL;
1237 BOOL sender_address_forced = FALSE;
1238 uschar *sender_address_unrewritten = NULL;
1239 uschar *sender_data = NULL;
1240 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1241 uschar *sender_fullhost = NULL;
1242 BOOL sender_helo_dnssec = FALSE;
1243 uschar *sender_helo_name = NULL;
1244 uschar **sender_host_aliases = &no_aliases;
1245 uschar *sender_host_address = NULL;
1246 uschar *sender_host_authenticated = NULL;
1247 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1248 BOOL sender_host_dnssec = FALSE;
1249 uschar *sender_host_name = NULL;
1250 int sender_host_port = 0;
1251 BOOL sender_host_notsocket = FALSE;
1252 BOOL sender_host_unknown = FALSE;
1253 uschar *sender_ident = NULL;
1254 BOOL sender_local = FALSE;
1255 BOOL sender_name_forced = FALSE;
1256 uschar *sender_rate = NULL;
1257 uschar *sender_rate_limit = NULL;
1258 uschar *sender_rate_period = NULL;
1259 uschar *sender_rcvhost = NULL;
1260 BOOL sender_set_untrusted = FALSE;
1261 uschar *sender_unqualified_hosts = NULL;
1262 uschar *sender_verify_failure = NULL;
1263 address_item *sender_verified_list = NULL;
1264 address_item *sender_verified_failed = NULL;
1265 int sender_verified_rc = -1;
1266 BOOL sender_verified_responded = FALSE;
1267 uschar *sending_ip_address = NULL;
1268 int sending_port = -1;
1269 SIGNAL_BOOL sigalrm_seen = FALSE;
1270 uschar **sighup_argv = NULL;
1271 int slow_lookup_log = 0; /* millisecs, zero disables */
1272 int smtp_accept_count = 0;
1273 BOOL smtp_accept_keepalive = TRUE;
1274 int smtp_accept_max = 20;
1275 int smtp_accept_max_nonmail= 10;
1276 uschar *smtp_accept_max_nonmail_hosts = US"*";
1277 int smtp_accept_max_per_connection = 1000;
1278 uschar *smtp_accept_max_per_host = NULL;
1279 int smtp_accept_queue = 0;
1280 int smtp_accept_queue_per_connection = 10;
1281 int smtp_accept_reserve = 0;
1282 uschar *smtp_active_hostname = NULL;
1283 BOOL smtp_authenticated = FALSE;
1284 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1285 "Exim $version_number $tod_full"
1286 "\0<---------------Space to patch smtp_banner->";
1287 BOOL smtp_batched_input = FALSE;
1288 BOOL smtp_check_spool_space = TRUE;
1289 int smtp_ch_index = 0;
1290 uschar *smtp_cmd_argument = NULL;
1291 uschar *smtp_cmd_buffer = NULL;
1292 time_t smtp_connection_start = 0;
1293 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1294 int smtp_connect_backlog = 20;
1295 double smtp_delay_mail = 0.0;
1296 double smtp_delay_rcpt = 0.0;
1297 BOOL smtp_enforce_sync = TRUE;
1298 FILE *smtp_in = NULL;
1299 BOOL smtp_input = FALSE;
1300 int smtp_load_reserve = -1;
1301 int smtp_mailcmd_count = 0;
1302 FILE *smtp_out = NULL;
1303 uschar *smtp_etrn_command = NULL;
1304 BOOL smtp_etrn_serialize = TRUE;
1305 int smtp_max_synprot_errors= 3;
1306 int smtp_max_unknown_commands = 3;
1307 uschar *smtp_notquit_reason = NULL;
1308 uschar *smtp_ratelimit_hosts = NULL;
1309 uschar *smtp_ratelimit_mail = NULL;
1310 uschar *smtp_ratelimit_rcpt = NULL;
1311 uschar *smtp_read_error = US"";
1312 int smtp_receive_timeout = 5*60;
1313 uschar *smtp_receive_timeout_s = NULL;
1314 uschar *smtp_reserve_hosts = NULL;
1315 BOOL smtp_return_error_details = FALSE;
1316 int smtp_rlm_base = 0;
1317 double smtp_rlm_factor = 0.0;
1318 int smtp_rlm_limit = 0;
1319 int smtp_rlm_threshold = INT_MAX;
1320 int smtp_rlr_base = 0;
1321 double smtp_rlr_factor = 0.0;
1322 int smtp_rlr_limit = 0;
1323 int smtp_rlr_threshold = INT_MAX;
1324 BOOL smtp_use_pipelining = FALSE;
1325 BOOL smtp_use_size = FALSE;
1326 #ifdef SUPPORT_I18N
1327 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1328 #endif
1329
1330 #ifdef WITH_CONTENT_SCAN
1331 uschar *spamd_address = US"127.0.0.1 783";
1332 uschar *spam_bar = NULL;
1333 uschar *spam_report = NULL;
1334 uschar *spam_action = NULL;
1335 uschar *spam_score = NULL;
1336 uschar *spam_score_int = NULL;
1337 #endif
1338 #ifdef EXPERIMENTAL_SPF
1339 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1340 uschar *spf_header_comment = NULL;
1341 uschar *spf_received = NULL;
1342 uschar *spf_result = NULL;
1343 uschar *spf_smtp_comment = NULL;
1344 #endif
1345
1346 BOOL split_spool_directory = FALSE;
1347 uschar *spool_directory = US SPOOL_DIRECTORY
1348 "\0<--------------Space to patch spool_directory->";
1349 #ifdef EXPERIMENTAL_SRS
1350 uschar *srs_config = NULL;
1351 uschar *srs_db_address = NULL;
1352 uschar *srs_db_key = NULL;
1353 int srs_hashlength = 6;
1354 int srs_hashmin = -1;
1355 int srs_maxage = 31;
1356 uschar *srs_orig_recipient = NULL;
1357 uschar *srs_orig_sender = NULL;
1358 uschar *srs_recipient = NULL;
1359 uschar *srs_secrets = NULL;
1360 uschar *srs_status = NULL;
1361 BOOL srs_usehash = TRUE;
1362 BOOL srs_usetimestamp = TRUE;
1363 #endif
1364 BOOL strict_acl_vars = FALSE;
1365 int string_datestamp_offset= -1;
1366 int string_datestamp_length= 0;
1367 int string_datestamp_type = -1;
1368 BOOL strip_excess_angle_brackets = FALSE;
1369 BOOL strip_trailing_dot = FALSE;
1370 uschar *submission_domain = NULL;
1371 BOOL submission_mode = FALSE;
1372 uschar *submission_name = NULL;
1373 BOOL suppress_local_fixups = FALSE;
1374 BOOL suppress_local_fixups_default = FALSE;
1375 BOOL synchronous_delivery = FALSE;
1376 BOOL syslog_duplication = TRUE;
1377 int syslog_facility = LOG_MAIL;
1378 uschar *syslog_processname = US"exim";
1379 BOOL syslog_timestamp = TRUE;
1380 uschar *system_filter = NULL;
1381
1382 uschar *system_filter_directory_transport = NULL;
1383 uschar *system_filter_file_transport = NULL;
1384 uschar *system_filter_pipe_transport = NULL;
1385 uschar *system_filter_reply_transport = NULL;
1386
1387 gid_t system_filter_gid = 0;
1388 BOOL system_filter_gid_set = FALSE;
1389 uid_t system_filter_uid = (uid_t)-1;
1390 BOOL system_filter_uid_set = FALSE;
1391 BOOL system_filtering = FALSE;
1392
1393 BOOL tcp_nodelay = TRUE;
1394 #ifdef USE_TCP_WRAPPERS
1395 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1396 #endif
1397 int test_harness_load_avg = 0;
1398 int thismessage_size_limit = 0;
1399 int timeout_frozen_after = 0;
1400 BOOL timestamps_utc = FALSE;
1401
1402 transport_instance *transports = NULL;
1403
1404 transport_instance transport_defaults = {
1405 NULL, /* chain pointer */
1406 NULL, /* name */
1407 NULL, /* info */
1408 NULL, /* private options block pointer */
1409 NULL, /* driver name */
1410 NULL, /* setup entry point */
1411 1, /* batch_max */
1412 NULL, /* batch_id */
1413 NULL, /* home_dir */
1414 NULL, /* current_dir */
1415 NULL, /* expand-multi-domain */
1416 TRUE, /* multi-domain */
1417 FALSE, /* overrides_hosts */
1418 100, /* max_addresses */
1419 500, /* connection_max_messages */
1420 FALSE, /* deliver_as_creator */
1421 FALSE, /* disable_logging */
1422 FALSE, /* initgroups */
1423 FALSE, /* uid_set */
1424 FALSE, /* gid_set */
1425 (uid_t)(-1), /* uid */
1426 (gid_t)(-1), /* gid */
1427 NULL, /* expand_uid */
1428 NULL, /* expand_gid */
1429 NULL, /* warn_message */
1430 NULL, /* shadow */
1431 NULL, /* shadow_condition */
1432 NULL, /* filter_command */
1433 NULL, /* add_headers */
1434 NULL, /* remove_headers */
1435 NULL, /* return_path */
1436 NULL, /* debug_string */
1437 NULL, /* max_parallel */
1438 NULL, /* message_size_limit */
1439 NULL, /* headers_rewrite */
1440 NULL, /* rewrite_rules */
1441 0, /* rewrite_existflags */
1442 300, /* filter_timeout */
1443 FALSE, /* body_only */
1444 FALSE, /* delivery_date_add */
1445 FALSE, /* envelope_to_add */
1446 FALSE, /* headers_only */
1447 FALSE, /* rcpt_include_affixes */
1448 FALSE, /* return_path_add */
1449 FALSE, /* return_output */
1450 FALSE, /* return_fail_output */
1451 FALSE, /* log_output */
1452 FALSE, /* log_fail_output */
1453 FALSE, /* log_defer_output */
1454 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1455 1 nor 0 so can detect unset */
1456 #ifndef DISABLE_EVENT
1457 ,NULL /* event_action */
1458 #endif
1459 };
1460
1461 int transport_count;
1462 uschar *transport_name = NULL;
1463 int transport_newlines;
1464 const uschar **transport_filter_argv = NULL;
1465 int transport_filter_timeout;
1466 BOOL transport_filter_timed_out = FALSE;
1467 int transport_write_timeout= 0;
1468
1469 tree_node *tree_dns_fails = NULL;
1470 tree_node *tree_duplicates = NULL;
1471 tree_node *tree_nonrecipients = NULL;
1472 tree_node *tree_unusable = NULL;
1473
1474 BOOL trusted_caller = FALSE;
1475 BOOL trusted_config = TRUE;
1476 gid_t *trusted_groups = NULL;
1477 uid_t *trusted_users = NULL;
1478 uschar *timezone_string = US TIMEZONE_DEFAULT;
1479
1480 uschar *unknown_login = NULL;
1481 uschar *unknown_username = NULL;
1482 uschar *untrusted_set_sender = NULL;
1483
1484 /* A regex for matching a "From_" line in an incoming message, in the form
1485
1486 From ph10 Fri Jan 5 12:35 GMT 1996
1487
1488 which the "mail" commands send to the MTA (undocumented, of course), or in
1489 the form
1490
1491 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1492
1493 which is apparently used by some UUCPs, despite it not being in RFC 976.
1494 Because of variations in time formats, just match up to the minutes. That
1495 should be sufficient. Examples have been seen of time fields like 12:1:03,
1496 so just require one digit for hours and minutes. The weekday is also absent
1497 in some forms. */
1498
1499 uschar *uucp_from_pattern = US
1500 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1501 "(?:" /* Non-extracting bracket */
1502 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1503 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1504 ")" /* End alternation */
1505 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1506
1507 uschar *uucp_from_sender = US"$1";
1508
1509 uschar *verify_mode = NULL;
1510 uschar *version_copyright =
1511 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1512 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
1513 uschar *version_date = US"?";
1514 uschar *version_cnumber = US"????";
1515 uschar *version_string = US"?";
1516
1517 uschar *warn_message_file = NULL;
1518 int warning_count = 0;
1519 uschar *warnmsg_delay = NULL;
1520 uschar *warnmsg_recipients = NULL;
1521 BOOL write_rejectlog = TRUE;
1522
1523
1524 /* End of globals.c */
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