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Add perl_taintmode option
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2015 */
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 *gnutls_require_mac = NULL;
148 uschar *gnutls_require_kx = NULL;
149 uschar *gnutls_require_proto = NULL;
150 uschar *openssl_options = NULL;
151 const pcre *regex_STARTTLS = NULL;
152 uschar *tls_advertise_hosts = US"*";
153 uschar *tls_certificate = NULL;
154 uschar *tls_crl = NULL;
155 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
156 that's the interop problem which has been observed: GnuTLS suggesting a higher
157 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
158 int tls_dh_max_bits = 2236;
159 uschar *tls_dhparam = NULL;
160 uschar *tls_eccurve = US"prime256v1";
161 # ifndef DISABLE_OCSP
162 uschar *tls_ocsp_file = NULL;
163 # endif
164 BOOL tls_offered = FALSE;
165 uschar *tls_privatekey = NULL;
166 BOOL tls_remember_esmtp = FALSE;
167 uschar *tls_require_ciphers = NULL;
168 uschar *tls_try_verify_hosts = NULL;
169 uschar *tls_verify_certificates= US"system";
170 uschar *tls_verify_hosts = NULL;
171 #else /*!SUPPORT_TLS*/
172 uschar *tls_advertise_hosts = NULL;
173 #endif
174
175 #ifndef DISABLE_PRDR
176 /* Per Recipient Data Response variables */
177 BOOL prdr_enable = FALSE;
178 BOOL prdr_requested = FALSE;
179 const pcre *regex_PRDR = NULL;
180 #endif
181
182 #ifdef SUPPORT_I18N
183 const pcre *regex_UTF8 = NULL;
184 #endif
185
186 /* Input-reading functions for messages, so we can use special ones for
187 incoming TCP/IP. The defaults use stdin. We never need these for any
188 stand-alone tests. */
189
190 #ifndef STAND_ALONE
191 int (*receive_getc)(void) = stdin_getc;
192 int (*receive_ungetc)(int) = stdin_ungetc;
193 int (*receive_feof)(void) = stdin_feof;
194 int (*receive_ferror)(void) = stdin_ferror;
195 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
196 #endif
197
198
199 /* List of per-address expansion variables for clearing and saving/restoring
200 when verifying one address while routing/verifying another. We have to have
201 the size explicit, because it is referenced from more than one module. */
202
203 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
216 CUSS &deliver_host,
217 CUSS &deliver_home,
218 CUSS &address_file,
219 CUSS &address_pipe,
220 CUSS &self_hostname,
221 NULL };
222
223 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225 /* General global variables */
226
227 header_line *acl_added_headers = NULL;
228 tree_node *acl_anchor = NULL;
229 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231 int acl_narg = 0;
232
233 uschar *acl_not_smtp = NULL;
234 #ifdef WITH_CONTENT_SCAN
235 uschar *acl_not_smtp_mime = NULL;
236 #endif
237 uschar *acl_not_smtp_start = NULL;
238 uschar *acl_removed_headers = NULL;
239 uschar *acl_smtp_auth = NULL;
240 uschar *acl_smtp_connect = NULL;
241 uschar *acl_smtp_data = NULL;
242 #ifndef DISABLE_PRDR
243 uschar *acl_smtp_data_prdr = US"accept";
244 #endif
245 #ifndef DISABLE_DKIM
246 uschar *acl_smtp_dkim = NULL;
247 #endif
248 uschar *acl_smtp_etrn = NULL;
249 uschar *acl_smtp_expn = NULL;
250 uschar *acl_smtp_helo = NULL;
251 uschar *acl_smtp_mail = NULL;
252 uschar *acl_smtp_mailauth = NULL;
253 #ifdef WITH_CONTENT_SCAN
254 uschar *acl_smtp_mime = NULL;
255 #endif
256 uschar *acl_smtp_notquit = NULL;
257 uschar *acl_smtp_predata = NULL;
258 uschar *acl_smtp_quit = NULL;
259 uschar *acl_smtp_rcpt = NULL;
260 uschar *acl_smtp_starttls = NULL;
261 uschar *acl_smtp_vrfy = NULL;
262
263 BOOL acl_temp_details = FALSE;
264 tree_node *acl_var_c = NULL;
265 tree_node *acl_var_m = NULL;
266 uschar *acl_verify_message = NULL;
267 string_item *acl_warn_logged = NULL;
268
269 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
270 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
271
272 uschar *acl_wherenames[] = { US"RCPT",
273 US"MAIL",
274 US"PREDATA",
275 US"MIME",
276 US"DKIM",
277 US"DATA",
278 #ifndef DISABLE_PRDR
279 US"PRDR",
280 #endif
281 US"non-SMTP",
282 US"AUTH",
283 US"connection",
284 US"ETRN",
285 US"EXPN",
286 US"EHLO or HELO",
287 US"MAILAUTH",
288 US"non-SMTP-start",
289 US"NOTQUIT",
290 US"QUIT",
291 US"STARTTLS",
292 US"VRFY",
293 US"delivery",
294 US"unknown"
295 };
296
297 uschar *acl_wherecodes[] = { US"550", /* RCPT */
298 US"550", /* MAIL */
299 US"550", /* PREDATA */
300 US"550", /* MIME */
301 US"550", /* DKIM */
302 US"550", /* DATA */
303 #ifndef DISABLE_PRDR
304 US"550", /* RCPT PRDR */
305 #endif
306 US"0", /* not SMTP; not relevant */
307 US"503", /* AUTH */
308 US"550", /* connect */
309 US"458", /* ETRN */
310 US"550", /* EXPN */
311 US"550", /* HELO/EHLO */
312 US"0", /* MAILAUTH; not relevant */
313 US"0", /* not SMTP; not relevant */
314 US"0", /* NOTQUIT; not relevant */
315 US"0", /* QUIT; not relevant */
316 US"550", /* STARTTLS */
317 US"252", /* VRFY */
318 US"0", /* delivery; not relevant */
319 US"0" /* unknown; not relevant */
320 };
321
322 BOOL active_local_from_check = FALSE;
323 BOOL active_local_sender_retain = FALSE;
324 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
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 uschar *client_authenticator = NULL;
498 uschar *client_authenticated_id = NULL;
499 uschar *client_authenticated_sender = NULL;
500 int clmacro_count = 0;
501 uschar *clmacros[MAX_CLMACROS];
502 BOOL config_changed = FALSE;
503 FILE *config_file = NULL;
504 uschar *config_filename = NULL;
505 int config_lineno = 0;
506 #ifdef CONFIGURE_GROUP
507 gid_t config_gid = CONFIGURE_GROUP;
508 #endif
509 uschar *config_main_filelist = US CONFIGURE_FILE
510 "\0<-----------Space to patch configure_filename->";
511 uschar *config_main_filename = NULL;
512 uschar *config_main_directory = NULL;
513
514 #ifdef CONFIGURE_OWNER
515 uid_t config_uid = CONFIGURE_OWNER;
516 #endif
517
518 int connection_max_messages= -1;
519 uschar *continue_hostname = NULL;
520 uschar *continue_host_address = NULL;
521 BOOL continue_more = FALSE;
522 int continue_sequence = 1;
523 uschar *continue_transport = NULL;
524
525 uschar *csa_status = NULL;
526 cut_t cutthrough = {
527 FALSE, /* delivery: when to attempt */
528 -1, /* fd: open connection */
529 0, /* nrcpt: number of addresses */
530 };
531
532 BOOL daemon_listen = FALSE;
533 uschar *daemon_smtp_port = US"smtp";
534 int daemon_startup_retries = 9;
535 int daemon_startup_sleep = 30;
536
537 #ifdef EXPERIMENTAL_DCC
538 BOOL dcc_direct_add_header = FALSE;
539 uschar *dcc_header = NULL;
540 uschar *dcc_result = NULL;
541 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
542 uschar *dccifd_options = US"header";
543 #endif
544
545 BOOL debug_daemon = FALSE;
546 int debug_fd = -1;
547 FILE *debug_file = NULL;
548 int debug_notall[] = {
549 Di_memory,
550 -1
551 };
552 bit_table debug_options[] = { /* must be in alphabetical order */
553 BIT_TABLE(D, acl),
554 BIT_TABLE(D, all),
555 BIT_TABLE(D, auth),
556 BIT_TABLE(D, deliver),
557 BIT_TABLE(D, dns),
558 BIT_TABLE(D, dnsbl),
559 BIT_TABLE(D, exec),
560 BIT_TABLE(D, expand),
561 BIT_TABLE(D, filter),
562 BIT_TABLE(D, hints_lookup),
563 BIT_TABLE(D, host_lookup),
564 BIT_TABLE(D, ident),
565 BIT_TABLE(D, interface),
566 BIT_TABLE(D, lists),
567 BIT_TABLE(D, load),
568 BIT_TABLE(D, local_scan),
569 BIT_TABLE(D, lookup),
570 BIT_TABLE(D, memory),
571 BIT_TABLE(D, pid),
572 BIT_TABLE(D, process_info),
573 BIT_TABLE(D, queue_run),
574 BIT_TABLE(D, receive),
575 BIT_TABLE(D, resolver),
576 BIT_TABLE(D, retry),
577 BIT_TABLE(D, rewrite),
578 BIT_TABLE(D, route),
579 BIT_TABLE(D, timestamp),
580 BIT_TABLE(D, tls),
581 BIT_TABLE(D, transport),
582 BIT_TABLE(D, uid),
583 BIT_TABLE(D, verify),
584 };
585 int debug_options_count = nelem(debug_options);
586
587 unsigned int debug_selector = 0;
588 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
589 uschar *delay_warning_condition=
590 US"${if or {"
591 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
592 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
593 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
594 "} {no}{yes}}";
595 BOOL delivery_date_remove = TRUE;
596 uschar *deliver_address_data = NULL;
597 int deliver_datafile = -1;
598 const uschar *deliver_domain = NULL;
599 uschar *deliver_domain_data = NULL;
600 const uschar *deliver_domain_orig = NULL;
601 const uschar *deliver_domain_parent = NULL;
602 BOOL deliver_drop_privilege = FALSE;
603 BOOL deliver_firsttime = FALSE;
604 BOOL deliver_force = FALSE;
605 BOOL deliver_freeze = FALSE;
606 time_t deliver_frozen_at = 0;
607 uschar *deliver_home = NULL;
608 const uschar *deliver_host = NULL;
609 const uschar *deliver_host_address = NULL;
610 int deliver_host_port = 0;
611 uschar *deliver_in_buffer = NULL;
612 ino_t deliver_inode = 0;
613 uschar *deliver_localpart = NULL;
614 uschar *deliver_localpart_data = NULL;
615 uschar *deliver_localpart_orig = NULL;
616 uschar *deliver_localpart_parent = NULL;
617 uschar *deliver_localpart_prefix = NULL;
618 uschar *deliver_localpart_suffix = NULL;
619 BOOL deliver_force_thaw = FALSE;
620 BOOL deliver_manual_thaw = FALSE;
621 uschar *deliver_out_buffer = NULL;
622 int deliver_queue_load_max = -1;
623 address_item *deliver_recipients = NULL;
624 uschar *deliver_selectstring = NULL;
625 BOOL deliver_selectstring_regex = FALSE;
626 uschar *deliver_selectstring_sender = NULL;
627 BOOL deliver_selectstring_sender_regex = FALSE;
628 #ifdef WITH_OLD_DEMIME
629 int demime_errorlevel = 0;
630 int demime_ok = 0;
631 uschar *demime_reason = NULL;
632 #endif
633 BOOL disable_callout_flush = FALSE;
634 BOOL disable_delay_flush = FALSE;
635 #ifdef ENABLE_DISABLE_FSYNC
636 BOOL disable_fsync = FALSE;
637 #endif
638 BOOL disable_ipv6 = FALSE;
639 BOOL disable_logging = FALSE;
640
641 #ifndef DISABLE_DKIM
642 BOOL dkim_collect_input = FALSE;
643 uschar *dkim_cur_signer = NULL;
644 BOOL dkim_disable_verify = FALSE;
645 int dkim_key_length = 0;
646 uschar *dkim_signers = NULL;
647 uschar *dkim_signing_domain = NULL;
648 uschar *dkim_signing_selector = NULL;
649 uschar *dkim_verify_signers = US"$dkim_signers";
650 #endif
651 #ifdef EXPERIMENTAL_DMARC
652 BOOL dmarc_has_been_checked = FALSE;
653 uschar *dmarc_ar_header = NULL;
654 uschar *dmarc_domain_policy = NULL;
655 uschar *dmarc_forensic_sender = NULL;
656 uschar *dmarc_history_file = NULL;
657 uschar *dmarc_status = NULL;
658 uschar *dmarc_status_text = NULL;
659 uschar *dmarc_tld_file = NULL;
660 uschar *dmarc_used_domain = NULL;
661 BOOL dmarc_disable_verify = FALSE;
662 BOOL dmarc_enable_forensic = FALSE;
663 #endif
664
665 uschar *dns_again_means_nonexist = NULL;
666 int dns_csa_search_limit = 5;
667 BOOL dns_csa_use_reverse = TRUE;
668 #ifdef EXPERIMENTAL_DANE
669 int dns_dane_ok = -1;
670 #endif
671 uschar *dns_ipv4_lookup = NULL;
672 int dns_retrans = 0;
673 int dns_retry = 0;
674 int dns_dnssec_ok = -1; /* <0 = not coerced */
675 uschar *dns_trust_aa = NULL;
676 int dns_use_edns0 = -1; /* <0 = not coerced */
677 uschar *dnslist_domain = NULL;
678 uschar *dnslist_matched = NULL;
679 uschar *dnslist_text = NULL;
680 uschar *dnslist_value = NULL;
681 tree_node *domainlist_anchor = NULL;
682 int domainlist_count = 0;
683 BOOL dont_deliver = FALSE;
684 BOOL dot_ends = TRUE;
685 BOOL drop_cr = FALSE; /* No longer used */
686 uschar *dsn_from = US DEFAULT_DSN_FROM;
687
688 BOOL enable_dollar_recipients = FALSE;
689 BOOL envelope_to_remove = TRUE;
690 int errno_quota = ERRNO_QUOTA;
691 uschar *errors_copy = NULL;
692 int error_handling = ERRORS_SENDER;
693 uschar *errors_reply_to = NULL;
694 int errors_sender_rc = EXIT_FAILURE;
695 #ifndef DISABLE_EVENT
696 uschar *event_action = NULL; /* expansion for delivery events */
697 uschar *event_data = NULL; /* auxilary data variable for event */
698 int event_defer_errno = 0;
699 const uschar *event_name = NULL; /* event name variable */
700 #endif
701
702
703 gid_t exim_gid = EXIM_GID;
704 BOOL exim_gid_set = TRUE; /* This gid is always set */
705 uschar *exim_path = US BIN_DIRECTORY "/exim"
706 "\0<---------------Space to patch exim_path->";
707 uid_t exim_uid = EXIM_UID;
708 BOOL exim_uid_set = TRUE; /* This uid is always set */
709 int expand_forbid = 0;
710 int expand_nlength[EXPAND_MAXN+1];
711 int expand_nmax = -1;
712 uschar *expand_nstring[EXPAND_MAXN+1];
713 BOOL expand_string_forcedfail = FALSE;
714 uschar *expand_string_message;
715 BOOL extract_addresses_remove_arguments = TRUE;
716 uschar *extra_local_interfaces = NULL;
717
718 int fake_response = OK;
719 uschar *fake_response_text = US"Your message has been rejected but is "
720 "being kept for evaluation.\nIf it was a "
721 "legitimate message, it may still be "
722 "delivered to the target recipient(s).";
723 int filter_n[FILTER_VARIABLE_COUNT];
724 BOOL filter_running = FALSE;
725 int filter_sn[FILTER_VARIABLE_COUNT];
726 int filter_test = FTEST_NONE;
727 uschar *filter_test_sfile = NULL;
728 uschar *filter_test_ufile = NULL;
729 uschar *filter_thisaddress = NULL;
730 int finduser_retries = 0;
731 #ifdef WITH_OLD_DEMIME
732 uschar *found_extension = NULL;
733 #endif
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 *interface_address = NULL;
801 int interface_port = -1;
802 BOOL is_inetd = FALSE;
803 uschar *iterate_item = NULL;
804
805 int journal_fd = -1;
806
807 int keep_malformed = 4*24*60*60; /* 4 days */
808
809 uschar *eldap_dn = NULL;
810 int load_average = -2;
811 BOOL local_error_message = FALSE;
812 BOOL local_from_check = TRUE;
813 uschar *local_from_prefix = NULL;
814 uschar *local_from_suffix = NULL;
815
816 #if HAVE_IPV6
817 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
818 #else
819 uschar *local_interfaces = US"0.0.0.0";
820 #endif
821
822 uschar *local_scan_data = NULL;
823 int local_scan_timeout = 5*60;
824 BOOL local_sender_retain = FALSE;
825 gid_t local_user_gid = (gid_t)(-1);
826 uid_t local_user_uid = (uid_t)(-1);
827
828 tree_node *localpartlist_anchor= NULL;
829 int localpartlist_count = 0;
830 uschar *log_buffer = NULL;
831
832 int log_default[] = { /* for initializing log_selector */
833 Li_acl_warn_skipped,
834 Li_connection_reject,
835 Li_delay_delivery,
836 Li_dnslist_defer,
837 Li_etrn,
838 Li_host_lookup_failed,
839 Li_lost_incoming_connection,
840 Li_outgoing_interface, /* see d_log_interface in deliver.c */
841 Li_queue_run,
842 Li_rejected_header,
843 Li_retry_defer,
844 Li_sender_verify_fail,
845 Li_size_reject,
846 Li_skip_delivery,
847 Li_smtp_confirmation,
848 Li_tls_certificate_verified,
849 Li_tls_cipher,
850 -1
851 };
852
853 uschar *log_file_path = US LOG_FILE_PATH
854 "\0<--------------Space to patch log_file_path->";
855
856 int log_notall[] = {
857 -1
858 };
859 bit_table log_options[] = { /* must be in alphabetical order */
860 BIT_TABLE(L, 8bitmime),
861 BIT_TABLE(L, acl_warn_skipped),
862 BIT_TABLE(L, address_rewrite),
863 BIT_TABLE(L, all),
864 BIT_TABLE(L, all_parents),
865 BIT_TABLE(L, arguments),
866 BIT_TABLE(L, connection_reject),
867 BIT_TABLE(L, delay_delivery),
868 BIT_TABLE(L, deliver_time),
869 BIT_TABLE(L, delivery_size),
870 BIT_TABLE(L, dnslist_defer),
871 BIT_TABLE(L, etrn),
872 BIT_TABLE(L, host_lookup_failed),
873 BIT_TABLE(L, ident_timeout),
874 BIT_TABLE(L, incoming_interface),
875 BIT_TABLE(L, incoming_port),
876 BIT_TABLE(L, lost_incoming_connection),
877 BIT_TABLE(L, outgoing_interface),
878 BIT_TABLE(L, outgoing_port),
879 BIT_TABLE(L, pid),
880 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
881 BIT_TABLE(L, proxy),
882 #endif
883 BIT_TABLE(L, queue_run),
884 BIT_TABLE(L, queue_time),
885 BIT_TABLE(L, queue_time_overall),
886 BIT_TABLE(L, received_recipients),
887 BIT_TABLE(L, received_sender),
888 BIT_TABLE(L, rejected_header),
889 { US"rejected_headers", Li_rejected_header },
890 BIT_TABLE(L, retry_defer),
891 BIT_TABLE(L, return_path_on_delivery),
892 BIT_TABLE(L, sender_on_delivery),
893 BIT_TABLE(L, sender_verify_fail),
894 BIT_TABLE(L, size_reject),
895 BIT_TABLE(L, skip_delivery),
896 BIT_TABLE(L, smtp_confirmation),
897 BIT_TABLE(L, smtp_connection),
898 BIT_TABLE(L, smtp_incomplete_transaction),
899 BIT_TABLE(L, smtp_mailauth),
900 BIT_TABLE(L, smtp_no_mail),
901 BIT_TABLE(L, smtp_protocol_error),
902 BIT_TABLE(L, smtp_syntax_error),
903 BIT_TABLE(L, subject),
904 BIT_TABLE(L, tls_certificate_verified),
905 BIT_TABLE(L, tls_cipher),
906 BIT_TABLE(L, tls_peerdn),
907 BIT_TABLE(L, tls_sni),
908 BIT_TABLE(L, unknown_in_list),
909 };
910 int log_options_count = nelem(log_options);
911
912 int log_reject_target = 0;
913 unsigned int log_selector[log_selector_size]; /* initialized in main() */
914 uschar *log_selector_string = NULL;
915 FILE *log_stderr = NULL;
916 BOOL log_testing_mode = FALSE;
917 BOOL log_timezone = FALSE;
918 uschar *login_sender_address = NULL;
919 uschar *lookup_dnssec_authenticated = NULL;
920 int lookup_open_max = 25;
921 uschar *lookup_value = NULL;
922
923 macro_item *macros = NULL;
924 uschar *mailstore_basename = NULL;
925 #ifdef WITH_CONTENT_SCAN
926 uschar *malware_name = NULL; /* Virus Name */
927 #endif
928 int max_received_linelength= 0;
929 int max_username_length = 0;
930 int message_age = 0;
931 uschar *message_body = NULL;
932 uschar *message_body_end = NULL;
933 BOOL message_body_newlines = FALSE;
934 int message_body_size = 0;
935 int message_body_visible = 500;
936 int message_ended = END_NOTSTARTED;
937 uschar *message_headers = NULL;
938 uschar *message_id;
939 uschar *message_id_domain = NULL;
940 uschar *message_id_text = NULL;
941 struct timeval message_id_tv = { 0, 0 };
942 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
943 uschar *message_id_external;
944 int message_linecount = 0;
945 BOOL message_logs = TRUE;
946 int message_size = 0;
947 uschar *message_size_limit = US"50M";
948 #ifdef SUPPORT_I18N
949 BOOL message_smtputf8 = FALSE;
950 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
951 #endif
952 uschar message_subdir[2] = { 0, 0 };
953 uschar *message_reference = NULL;
954
955 /* MIME ACL expandables */
956 #ifdef WITH_CONTENT_SCAN
957 int mime_anomaly_level = 0;
958 const uschar *mime_anomaly_text = NULL;
959 uschar *mime_boundary = NULL;
960 uschar *mime_charset = NULL;
961 uschar *mime_content_description = NULL;
962 uschar *mime_content_disposition = NULL;
963 uschar *mime_content_id = NULL;
964 unsigned int mime_content_size = 0;
965 uschar *mime_content_transfer_encoding = NULL;
966 uschar *mime_content_type = NULL;
967 uschar *mime_decoded_filename = NULL;
968 uschar *mime_filename = NULL;
969 int mime_is_multipart = 0;
970 int mime_is_coverletter = 0;
971 int mime_is_rfc822 = 0;
972 int mime_part_count = -1;
973 #endif
974
975 BOOL mua_wrapper = FALSE;
976
977 uid_t *never_users = NULL;
978 #ifdef WITH_CONTENT_SCAN
979 BOOL no_mbox_unspool = FALSE;
980 #endif
981 BOOL no_multiline_responses = FALSE;
982
983 uid_t original_euid;
984 gid_t originator_gid;
985 uschar *originator_login = NULL;
986 uschar *originator_name = NULL;
987 uid_t originator_uid;
988 uschar *override_local_interfaces = NULL;
989 uschar *override_pid_file_path = NULL;
990
991 BOOL parse_allow_group = FALSE;
992 BOOL parse_found_group = FALSE;
993 uschar *percent_hack_domains = NULL;
994 uschar *pid_file_path = US PID_FILE_PATH
995 "\0<--------------Space to patch pid_file_path->";
996 BOOL pipelining_enable = TRUE;
997 uschar *pipelining_advertise_hosts = US"*";
998 BOOL preserve_message_logs = FALSE;
999 uschar *primary_hostname = NULL;
1000 BOOL print_topbitchars = FALSE;
1001 uschar process_info[PROCESS_INFO_SIZE];
1002 int process_info_len = 0;
1003 uschar *process_log_path = NULL;
1004 BOOL prod_requires_admin = TRUE;
1005
1006 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1007 uschar *hosts_proxy = US"";
1008 uschar *proxy_external_address = US"";
1009 int proxy_external_port = 0;
1010 uschar *proxy_local_address = US"";
1011 int proxy_local_port = 0;
1012 BOOL proxy_session = FALSE;
1013 BOOL proxy_session_failed = FALSE;
1014 #endif
1015
1016 uschar *prvscheck_address = NULL;
1017 uschar *prvscheck_keynum = NULL;
1018 uschar *prvscheck_result = NULL;
1019
1020
1021 const uschar *qualify_domain_recipient = NULL;
1022 uschar *qualify_domain_sender = NULL;
1023 BOOL queue_2stage = FALSE;
1024 uschar *queue_domains = NULL;
1025 int queue_interval = -1;
1026 BOOL queue_list_requires_admin = TRUE;
1027 BOOL queue_only = FALSE;
1028 uschar *queue_only_file = NULL;
1029 int queue_only_load = -1;
1030 BOOL queue_only_load_latch = TRUE;
1031 BOOL queue_only_override = TRUE;
1032 BOOL queue_only_policy = FALSE;
1033 BOOL queue_run_first_delivery = FALSE;
1034 BOOL queue_run_force = FALSE;
1035 BOOL queue_run_in_order = FALSE;
1036 BOOL queue_run_local = FALSE;
1037 int queue_run_max = 5;
1038 pid_t queue_run_pid = (pid_t)0;
1039 int queue_run_pipe = -1;
1040 BOOL queue_running = FALSE;
1041 BOOL queue_smtp = FALSE;
1042 uschar *queue_smtp_domains = NULL;
1043
1044 unsigned int random_seed = 0;
1045 tree_node *ratelimiters_cmd = NULL;
1046 tree_node *ratelimiters_conn = NULL;
1047 tree_node *ratelimiters_mail = NULL;
1048 uschar *raw_active_hostname = NULL;
1049 uschar *raw_sender = NULL;
1050 uschar **raw_recipients = NULL;
1051 int raw_recipients_count = 0;
1052
1053 int rcpt_count = 0;
1054 int rcpt_fail_count = 0;
1055 int rcpt_defer_count = 0;
1056 gid_t real_gid;
1057 uid_t real_uid;
1058 BOOL really_exim = TRUE;
1059 BOOL receive_call_bombout = FALSE;
1060 int receive_linecount = 0;
1061 int receive_messagecount = 0;
1062 int receive_timeout = 0;
1063 int received_count = 0;
1064 uschar *received_for = NULL;
1065
1066 /* This is the default text for Received headers generated by Exim. The
1067 date will be automatically added on the end. */
1068
1069 uschar *received_header_text = US
1070 "Received: "
1071 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1072 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1073 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1074 "by $primary_hostname "
1075 "${if def:received_protocol {with $received_protocol}} "
1076 #ifdef SUPPORT_TLS
1077 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1078 #endif
1079 "(Exim $version_number)\n\t"
1080 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1081 "id $message_exim_id"
1082 "${if def:received_for {\n\tfor $received_for}}"
1083 "\0<---------------Space to patch received_header_text->";
1084
1085 int received_headers_max = 30;
1086 uschar *received_protocol = NULL;
1087 int received_time = 0;
1088 uschar *recipient_data = NULL;
1089 uschar *recipient_unqualified_hosts = NULL;
1090 uschar *recipient_verify_failure = NULL;
1091 int recipients_count = 0;
1092 BOOL recipients_discarded = FALSE;
1093 recipient_item *recipients_list = NULL;
1094 int recipients_list_max = 0;
1095 int recipients_max = 0;
1096 BOOL recipients_max_reject = FALSE;
1097 const pcre *regex_AUTH = NULL;
1098 const pcre *regex_check_dns_names = NULL;
1099 const pcre *regex_From = NULL;
1100 const pcre *regex_IGNOREQUOTA = NULL;
1101 const pcre *regex_PIPELINING = NULL;
1102 const pcre *regex_SIZE = NULL;
1103 const pcre *regex_ismsgid = NULL;
1104 const pcre *regex_smtp_code = NULL;
1105 uschar *regex_vars[REGEX_VARS];
1106 #ifdef WHITELIST_D_MACROS
1107 const pcre *regex_whitelisted_macro = NULL;
1108 #endif
1109 #ifdef WITH_CONTENT_SCAN
1110 uschar *regex_match_string = NULL;
1111 #endif
1112 int remote_delivery_count = 0;
1113 int remote_max_parallel = 2;
1114 uschar *remote_sort_domains = NULL;
1115 int retry_data_expire = 7*24*60*60;
1116 int retry_interval_max = 24*60*60;
1117 int retry_maximum_timeout = 0; /* set from retry config */
1118 retry_config *retries = NULL;
1119 uschar *return_path = NULL;
1120 BOOL return_path_remove = TRUE;
1121 int rewrite_existflags = 0;
1122 uschar *rfc1413_hosts = US"@[]";
1123 int rfc1413_query_timeout = 0;
1124 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1125 uid_t root_gid = ROOT_GID;
1126 uid_t root_uid = ROOT_UID;
1127
1128 router_instance *routers = NULL;
1129 router_instance router_defaults = {
1130 NULL, /* chain pointer */
1131 NULL, /* name */
1132 NULL, /* info */
1133 NULL, /* private options block pointer */
1134 NULL, /* driver name */
1135
1136 NULL, /* address_data */
1137 #ifdef EXPERIMENTAL_BRIGHTMAIL
1138 NULL, /* bmi_rule */
1139 #endif
1140 NULL, /* cannot_route_message */
1141 NULL, /* condition */
1142 NULL, /* current_directory */
1143 NULL, /* debug_string */
1144 NULL, /* domains */
1145 NULL, /* errors_to */
1146 NULL, /* expand_gid */
1147 NULL, /* expand_uid */
1148 NULL, /* expand_more */
1149 NULL, /* expand_unseen */
1150 NULL, /* extra_headers */
1151 NULL, /* fallback_hosts */
1152 NULL, /* home_directory */
1153 NULL, /* ignore_target_hosts */
1154 NULL, /* local_parts */
1155 NULL, /* pass_router_name */
1156 NULL, /* prefix */
1157 NULL, /* redirect_router_name */
1158 NULL, /* remove_headers */
1159 NULL, /* require_files */
1160 NULL, /* router_home_directory */
1161 US"freeze", /* self */
1162 NULL, /* senders */
1163 NULL, /* suffix */
1164 NULL, /* translate_ip_address */
1165 NULL, /* transport_name */
1166
1167 TRUE, /* address_test */
1168 #ifdef EXPERIMENTAL_BRIGHTMAIL
1169 FALSE, /* bmi_deliver_alternate */
1170 FALSE, /* bmi_deliver_default */
1171 FALSE, /* bmi_dont_deliver */
1172 #endif
1173 TRUE, /* expn */
1174 FALSE, /* caseful_local_part */
1175 FALSE, /* check_local_user */
1176 FALSE, /* disable_logging */
1177 FALSE, /* fail_verify_recipient */
1178 FALSE, /* fail_verify_sender */
1179 FALSE, /* gid_set */
1180 FALSE, /* initgroups */
1181 TRUE_UNSET, /* log_as_local */
1182 TRUE, /* more */
1183 FALSE, /* pass_on_timeout */
1184 FALSE, /* prefix_optional */
1185 TRUE, /* repeat_use */
1186 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1187 FALSE, /* same_domain_copy_routing */
1188 FALSE, /* self_rewrite */
1189 FALSE, /* suffix_optional */
1190 FALSE, /* verify_only */
1191 TRUE, /* verify_recipient */
1192 TRUE, /* verify_sender */
1193 FALSE, /* uid_set */
1194 FALSE, /* unseen */
1195 FALSE, /* dsn_lasthop */
1196
1197 self_freeze, /* self_code */
1198 (uid_t)(-1), /* uid */
1199 (gid_t)(-1), /* gid */
1200
1201 NULL, /* fallback_hostlist */
1202 NULL, /* transport instance */
1203 NULL, /* pass_router */
1204 NULL, /* redirect_router */
1205
1206 { NULL, NULL }, /* dnssec_domains {require,request} */
1207 };
1208
1209 uschar *router_name = NULL;
1210
1211 ip_address_item *running_interfaces = NULL;
1212 BOOL running_in_test_harness = FALSE;
1213
1214 /* This is a weird one. The following string gets patched in the binary by the
1215 script that sets up a copy of Exim for running in the test harness. It seems
1216 that compilers are now clever, and share constant strings if they can.
1217 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1218 make use of the end of this string in order to save space. So the patching then
1219 wrecks this. We defeat this optimization by adding some additional characters
1220 onto the end of the string. */
1221
1222 uschar *running_status = US">>>running<<<" "\0EXTRA";
1223
1224 int runrc = 0;
1225
1226 uschar *search_error_message = NULL;
1227 BOOL search_find_defer = FALSE;
1228 uschar *self_hostname = NULL;
1229 uschar *sender_address = NULL;
1230 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1231 uschar *sender_address_data = NULL;
1232 BOOL sender_address_forced = FALSE;
1233 uschar *sender_address_unrewritten = NULL;
1234 uschar *sender_data = NULL;
1235 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1236 uschar *sender_fullhost = NULL;
1237 BOOL sender_helo_dnssec = FALSE;
1238 uschar *sender_helo_name = NULL;
1239 uschar **sender_host_aliases = &no_aliases;
1240 uschar *sender_host_address = NULL;
1241 uschar *sender_host_authenticated = NULL;
1242 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1243 BOOL sender_host_dnssec = FALSE;
1244 uschar *sender_host_name = NULL;
1245 int sender_host_port = 0;
1246 BOOL sender_host_notsocket = FALSE;
1247 BOOL sender_host_unknown = FALSE;
1248 uschar *sender_ident = NULL;
1249 BOOL sender_local = FALSE;
1250 BOOL sender_name_forced = FALSE;
1251 uschar *sender_rate = NULL;
1252 uschar *sender_rate_limit = NULL;
1253 uschar *sender_rate_period = NULL;
1254 uschar *sender_rcvhost = NULL;
1255 BOOL sender_set_untrusted = FALSE;
1256 uschar *sender_unqualified_hosts = NULL;
1257 uschar *sender_verify_failure = NULL;
1258 address_item *sender_verified_list = NULL;
1259 address_item *sender_verified_failed = NULL;
1260 int sender_verified_rc = -1;
1261 BOOL sender_verified_responded = FALSE;
1262 uschar *sending_ip_address = NULL;
1263 int sending_port = -1;
1264 SIGNAL_BOOL sigalrm_seen = FALSE;
1265 uschar **sighup_argv = NULL;
1266 int slow_lookup_log = 0; /* millisecs, zero disables */
1267 int smtp_accept_count = 0;
1268 BOOL smtp_accept_keepalive = TRUE;
1269 int smtp_accept_max = 20;
1270 int smtp_accept_max_nonmail= 10;
1271 uschar *smtp_accept_max_nonmail_hosts = US"*";
1272 int smtp_accept_max_per_connection = 1000;
1273 uschar *smtp_accept_max_per_host = NULL;
1274 int smtp_accept_queue = 0;
1275 int smtp_accept_queue_per_connection = 10;
1276 int smtp_accept_reserve = 0;
1277 uschar *smtp_active_hostname = NULL;
1278 BOOL smtp_authenticated = FALSE;
1279 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1280 "Exim $version_number $tod_full"
1281 "\0<---------------Space to patch smtp_banner->";
1282 BOOL smtp_batched_input = FALSE;
1283 BOOL smtp_check_spool_space = TRUE;
1284 int smtp_ch_index = 0;
1285 uschar *smtp_cmd_argument = NULL;
1286 uschar *smtp_cmd_buffer = NULL;
1287 time_t smtp_connection_start = 0;
1288 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1289 int smtp_connect_backlog = 20;
1290 double smtp_delay_mail = 0.0;
1291 double smtp_delay_rcpt = 0.0;
1292 BOOL smtp_enforce_sync = TRUE;
1293 FILE *smtp_in = NULL;
1294 BOOL smtp_input = FALSE;
1295 int smtp_load_reserve = -1;
1296 int smtp_mailcmd_count = 0;
1297 FILE *smtp_out = NULL;
1298 uschar *smtp_etrn_command = NULL;
1299 BOOL smtp_etrn_serialize = TRUE;
1300 int smtp_max_synprot_errors= 3;
1301 int smtp_max_unknown_commands = 3;
1302 uschar *smtp_notquit_reason = NULL;
1303 uschar *smtp_ratelimit_hosts = NULL;
1304 uschar *smtp_ratelimit_mail = NULL;
1305 uschar *smtp_ratelimit_rcpt = NULL;
1306 uschar *smtp_read_error = US"";
1307 int smtp_receive_timeout = 5*60;
1308 uschar *smtp_receive_timeout_s = NULL;
1309 uschar *smtp_reserve_hosts = NULL;
1310 BOOL smtp_return_error_details = FALSE;
1311 int smtp_rlm_base = 0;
1312 double smtp_rlm_factor = 0.0;
1313 int smtp_rlm_limit = 0;
1314 int smtp_rlm_threshold = INT_MAX;
1315 int smtp_rlr_base = 0;
1316 double smtp_rlr_factor = 0.0;
1317 int smtp_rlr_limit = 0;
1318 int smtp_rlr_threshold = INT_MAX;
1319 BOOL smtp_use_pipelining = FALSE;
1320 BOOL smtp_use_size = FALSE;
1321 #ifdef SUPPORT_I18N
1322 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1323 #endif
1324
1325 #ifdef WITH_CONTENT_SCAN
1326 uschar *spamd_address = US"127.0.0.1 783";
1327 uschar *spam_bar = NULL;
1328 uschar *spam_report = NULL;
1329 uschar *spam_action = NULL;
1330 uschar *spam_score = NULL;
1331 uschar *spam_score_int = NULL;
1332 #endif
1333 #ifdef EXPERIMENTAL_SPF
1334 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1335 uschar *spf_header_comment = NULL;
1336 uschar *spf_received = NULL;
1337 uschar *spf_result = NULL;
1338 uschar *spf_smtp_comment = NULL;
1339 #endif
1340
1341 BOOL split_spool_directory = FALSE;
1342 uschar *spool_directory = US SPOOL_DIRECTORY
1343 "\0<--------------Space to patch spool_directory->";
1344 #ifdef EXPERIMENTAL_SRS
1345 uschar *srs_config = NULL;
1346 uschar *srs_db_address = NULL;
1347 uschar *srs_db_key = NULL;
1348 int srs_hashlength = 6;
1349 int srs_hashmin = -1;
1350 int srs_maxage = 31;
1351 uschar *srs_orig_recipient = NULL;
1352 uschar *srs_orig_sender = NULL;
1353 uschar *srs_recipient = NULL;
1354 uschar *srs_secrets = NULL;
1355 uschar *srs_status = NULL;
1356 BOOL srs_usehash = TRUE;
1357 BOOL srs_usetimestamp = TRUE;
1358 #endif
1359 BOOL strict_acl_vars = FALSE;
1360 int string_datestamp_offset= -1;
1361 int string_datestamp_length= 0;
1362 int string_datestamp_type = -1;
1363 BOOL strip_excess_angle_brackets = FALSE;
1364 BOOL strip_trailing_dot = FALSE;
1365 uschar *submission_domain = NULL;
1366 BOOL submission_mode = FALSE;
1367 uschar *submission_name = NULL;
1368 BOOL suppress_local_fixups = FALSE;
1369 BOOL suppress_local_fixups_default = FALSE;
1370 BOOL synchronous_delivery = FALSE;
1371 BOOL syslog_duplication = TRUE;
1372 int syslog_facility = LOG_MAIL;
1373 uschar *syslog_processname = US"exim";
1374 BOOL syslog_timestamp = TRUE;
1375 uschar *system_filter = NULL;
1376
1377 uschar *system_filter_directory_transport = NULL;
1378 uschar *system_filter_file_transport = NULL;
1379 uschar *system_filter_pipe_transport = NULL;
1380 uschar *system_filter_reply_transport = NULL;
1381
1382 gid_t system_filter_gid = 0;
1383 BOOL system_filter_gid_set = FALSE;
1384 uid_t system_filter_uid = (uid_t)-1;
1385 BOOL system_filter_uid_set = FALSE;
1386 BOOL system_filtering = FALSE;
1387
1388 BOOL tcp_nodelay = TRUE;
1389 #ifdef USE_TCP_WRAPPERS
1390 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1391 #endif
1392 int test_harness_load_avg = 0;
1393 int thismessage_size_limit = 0;
1394 int timeout_frozen_after = 0;
1395 BOOL timestamps_utc = FALSE;
1396
1397 transport_instance *transports = NULL;
1398
1399 transport_instance transport_defaults = {
1400 NULL, /* chain pointer */
1401 NULL, /* name */
1402 NULL, /* info */
1403 NULL, /* private options block pointer */
1404 NULL, /* driver name */
1405 NULL, /* setup entry point */
1406 1, /* batch_max */
1407 NULL, /* batch_id */
1408 NULL, /* home_dir */
1409 NULL, /* current_dir */
1410 NULL, /* expand-multi-domain */
1411 TRUE, /* multi-domain */
1412 FALSE, /* overrides_hosts */
1413 100, /* max_addresses */
1414 500, /* connection_max_messages */
1415 FALSE, /* deliver_as_creator */
1416 FALSE, /* disable_logging */
1417 FALSE, /* initgroups */
1418 FALSE, /* uid_set */
1419 FALSE, /* gid_set */
1420 (uid_t)(-1), /* uid */
1421 (gid_t)(-1), /* gid */
1422 NULL, /* expand_uid */
1423 NULL, /* expand_gid */
1424 NULL, /* warn_message */
1425 NULL, /* shadow */
1426 NULL, /* shadow_condition */
1427 NULL, /* filter_command */
1428 NULL, /* add_headers */
1429 NULL, /* remove_headers */
1430 NULL, /* return_path */
1431 NULL, /* debug_string */
1432 NULL, /* max_parallel */
1433 NULL, /* message_size_limit */
1434 NULL, /* headers_rewrite */
1435 NULL, /* rewrite_rules */
1436 0, /* rewrite_existflags */
1437 300, /* filter_timeout */
1438 FALSE, /* body_only */
1439 FALSE, /* delivery_date_add */
1440 FALSE, /* envelope_to_add */
1441 FALSE, /* headers_only */
1442 FALSE, /* rcpt_include_affixes */
1443 FALSE, /* return_path_add */
1444 FALSE, /* return_output */
1445 FALSE, /* return_fail_output */
1446 FALSE, /* log_output */
1447 FALSE, /* log_fail_output */
1448 FALSE, /* log_defer_output */
1449 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1450 1 nor 0 so can detect unset */
1451 #ifndef DISABLE_EVENT
1452 ,NULL /* event_action */
1453 #endif
1454 };
1455
1456 int transport_count;
1457 uschar *transport_name = NULL;
1458 int transport_newlines;
1459 const uschar **transport_filter_argv = NULL;
1460 int transport_filter_timeout;
1461 BOOL transport_filter_timed_out = FALSE;
1462 int transport_write_timeout= 0;
1463
1464 tree_node *tree_dns_fails = NULL;
1465 tree_node *tree_duplicates = NULL;
1466 tree_node *tree_nonrecipients = NULL;
1467 tree_node *tree_unusable = NULL;
1468
1469 BOOL trusted_caller = FALSE;
1470 BOOL trusted_config = TRUE;
1471 gid_t *trusted_groups = NULL;
1472 uid_t *trusted_users = NULL;
1473 uschar *timezone_string = US TIMEZONE_DEFAULT;
1474
1475 uschar *unknown_login = NULL;
1476 uschar *unknown_username = NULL;
1477 uschar *untrusted_set_sender = NULL;
1478
1479 /* A regex for matching a "From_" line in an incoming message, in the form
1480
1481 From ph10 Fri Jan 5 12:35 GMT 1996
1482
1483 which the "mail" commands send to the MTA (undocumented, of course), or in
1484 the form
1485
1486 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1487
1488 which is apparently used by some UUCPs, despite it not being in RFC 976.
1489 Because of variations in time formats, just match up to the minutes. That
1490 should be sufficient. Examples have been seen of time fields like 12:1:03,
1491 so just require one digit for hours and minutes. The weekday is also absent
1492 in some forms. */
1493
1494 uschar *uucp_from_pattern = US
1495 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1496 "(?:" /* Non-extracting bracket */
1497 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1498 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1499 ")" /* End alternation */
1500 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1501
1502 uschar *uucp_from_sender = US"$1";
1503
1504 uschar *verify_mode = NULL;
1505 uschar *version_copyright =
1506 US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1507 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
1508 uschar *version_date = US"?";
1509 uschar *version_cnumber = US"????";
1510 uschar *version_string = US"?";
1511
1512 uschar *warn_message_file = NULL;
1513 int warning_count = 0;
1514 uschar *warnmsg_delay = NULL;
1515 uschar *warnmsg_recipients = NULL;
1516 BOOL write_rejectlog = TRUE;
1517
1518
1519 /* End of globals.c */
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