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Add tls_eccurve main config option. Bug 1397
[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 #endif
53
54 #ifdef EXPAND_DLFUNC
55 tree_node *dlobj_anchor = NULL;
56 #endif
57
58 #ifdef LOOKUP_IBASE
59 uschar *ibase_servers = NULL;
60 #endif
61
62 #ifdef LOOKUP_LDAP
63 uschar *eldap_ca_cert_dir = NULL;
64 uschar *eldap_ca_cert_file = NULL;
65 uschar *eldap_cert_file = NULL;
66 uschar *eldap_cert_key = NULL;
67 uschar *eldap_cipher_suite = NULL;
68 uschar *eldap_default_servers = NULL;
69 uschar *eldap_require_cert = NULL;
70 int eldap_version = -1;
71 BOOL eldap_start_tls = FALSE;
72 #endif
73
74 #ifdef LOOKUP_MYSQL
75 uschar *mysql_servers = NULL;
76 #endif
77
78 #ifdef LOOKUP_ORACLE
79 uschar *oracle_servers = NULL;
80 #endif
81
82 #ifdef LOOKUP_PGSQL
83 uschar *pgsql_servers = NULL;
84 #endif
85
86 #ifdef EXPERIMENTAL_REDIS
87 uschar *redis_servers = NULL;
88 #endif
89
90 #ifdef LOOKUP_SQLITE
91 int sqlite_lock_timeout = 5;
92 #endif
93
94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95 BOOL move_frozen_messages = FALSE;
96 #endif
97
98 /* These variables are outside the #ifdef because it keeps the code less
99 cluttered in several places (e.g. during logging) if we can always refer to
100 them. Also, the tls_ variables are now always visible. */
101
102 tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
106 #ifdef EXPERIMENTAL_DANE
107 FALSE,/* dane_verified */
108 0, /* tlsa_usage */
109 #endif
110 NULL, /* tls_cipher */
111 FALSE,/* tls_on_connect */
112 NULL, /* tls_on_connect_ports */
113 NULL, /* tls_ourcert */
114 NULL, /* tls_peercert */
115 NULL, /* tls_peerdn */
116 NULL, /* tls_sni */
117 0 /* tls_ocsp */
118 };
119 tls_support tls_out = {
120 -1, /* tls_active */
121 0, /* tls_bits */
122 FALSE,/* tls_certificate_verified */
123 #ifdef EXPERIMENTAL_DANE
124 FALSE,/* dane_verified */
125 0, /* tlsa_usage */
126 #endif
127 NULL, /* tls_cipher */
128 FALSE,/* tls_on_connect */
129 NULL, /* tls_on_connect_ports */
130 NULL, /* tls_ourcert */
131 NULL, /* tls_peercert */
132 NULL, /* tls_peerdn */
133 NULL, /* tls_sni */
134 0 /* tls_ocsp */
135 };
136
137 uschar *dsn_envid = NULL;
138 int dsn_ret = 0;
139 const pcre *regex_DSN = NULL;
140 BOOL smtp_use_dsn = FALSE;
141 uschar *dsn_advertise_hosts = NULL;
142
143 #ifdef SUPPORT_TLS
144 BOOL gnutls_compat_mode = FALSE;
145 BOOL gnutls_allow_auto_pkcs11 = FALSE;
146 uschar *gnutls_require_mac = NULL;
147 uschar *gnutls_require_kx = NULL;
148 uschar *gnutls_require_proto = NULL;
149 uschar *openssl_options = NULL;
150 const pcre *regex_STARTTLS = NULL;
151 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
152 uschar *tls_certificate = NULL;
153 uschar *tls_crl = NULL;
154 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
155 that's the interop problem which has been observed: GnuTLS suggesting a higher
156 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
157 int tls_dh_max_bits = 2236;
158 uschar *tls_dhparam = NULL;
159 uschar *tls_eccurve = US"prime256v1";
160 #ifndef DISABLE_OCSP
161 uschar *tls_ocsp_file = NULL;
162 #endif
163 BOOL tls_offered = FALSE;
164 uschar *tls_privatekey = NULL;
165 BOOL tls_remember_esmtp = FALSE;
166 uschar *tls_require_ciphers = NULL;
167 uschar *tls_try_verify_hosts = NULL;
168 uschar *tls_verify_certificates= US"system";
169 uschar *tls_verify_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 EXPERIMENTAL_INTERNATIONAL
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 (*receive_getc)(void) = stdin_getc;
189 int (*receive_ungetc)(int) = stdin_ungetc;
190 int (*receive_feof)(void) = stdin_feof;
191 int (*receive_ferror)(void) = stdin_ferror;
192 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
193 #endif
194
195
196 /* List of per-address expansion variables for clearing and saving/restoring
197 when verifying one address while routing/verifying another. We have to have
198 the size explicit, because it is referenced from more than one module. */
199
200 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
201 CUSS &deliver_address_data,
202 CUSS &deliver_domain,
203 CUSS &deliver_domain_data,
204 CUSS &deliver_domain_orig,
205 CUSS &deliver_domain_parent,
206 CUSS &deliver_localpart,
207 CUSS &deliver_localpart_data,
208 CUSS &deliver_localpart_orig,
209 CUSS &deliver_localpart_parent,
210 CUSS &deliver_localpart_prefix,
211 CUSS &deliver_localpart_suffix,
212 CUSS (uschar **)(&deliver_recipients),
213 CUSS &deliver_host,
214 CUSS &deliver_home,
215 CUSS &address_file,
216 CUSS &address_pipe,
217 CUSS &self_hostname,
218 NULL };
219
220 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
221
222 /* General global variables */
223
224 header_line *acl_added_headers = NULL;
225 tree_node *acl_anchor = NULL;
226 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
227 NULL, NULL, NULL, NULL};
228 int acl_narg = 0;
229
230 uschar *acl_not_smtp = NULL;
231 #ifdef WITH_CONTENT_SCAN
232 uschar *acl_not_smtp_mime = NULL;
233 #endif
234 uschar *acl_not_smtp_start = NULL;
235 uschar *acl_removed_headers = NULL;
236 uschar *acl_smtp_auth = NULL;
237 uschar *acl_smtp_connect = NULL;
238 uschar *acl_smtp_data = NULL;
239 #ifndef DISABLE_PRDR
240 uschar *acl_smtp_data_prdr = US"accept";
241 #endif
242 #ifndef DISABLE_DKIM
243 uschar *acl_smtp_dkim = NULL;
244 #endif
245 uschar *acl_smtp_etrn = NULL;
246 uschar *acl_smtp_expn = NULL;
247 uschar *acl_smtp_helo = NULL;
248 uschar *acl_smtp_mail = NULL;
249 uschar *acl_smtp_mailauth = NULL;
250 #ifdef WITH_CONTENT_SCAN
251 uschar *acl_smtp_mime = NULL;
252 #endif
253 uschar *acl_smtp_notquit = NULL;
254 uschar *acl_smtp_predata = NULL;
255 uschar *acl_smtp_quit = NULL;
256 uschar *acl_smtp_rcpt = NULL;
257 uschar *acl_smtp_starttls = NULL;
258 uschar *acl_smtp_vrfy = NULL;
259
260 BOOL acl_temp_details = FALSE;
261 tree_node *acl_var_c = NULL;
262 tree_node *acl_var_m = NULL;
263 uschar *acl_verify_message = NULL;
264 string_item *acl_warn_logged = NULL;
265
266 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
267 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
268
269 uschar *acl_wherenames[] = { US"RCPT",
270 US"MAIL",
271 US"PREDATA",
272 US"MIME",
273 US"DKIM",
274 US"DATA",
275 #ifndef DISABLE_PRDR
276 US"PRDR",
277 #endif
278 US"non-SMTP",
279 US"AUTH",
280 US"connection",
281 US"ETRN",
282 US"EXPN",
283 US"EHLO or HELO",
284 US"MAILAUTH",
285 US"non-SMTP-start",
286 US"NOTQUIT",
287 US"QUIT",
288 US"STARTTLS",
289 US"VRFY",
290 US"delivery",
291 US"unknown"
292 };
293
294 uschar *acl_wherecodes[] = { US"550", /* RCPT */
295 US"550", /* MAIL */
296 US"550", /* PREDATA */
297 US"550", /* MIME */
298 US"550", /* DKIM */
299 US"550", /* DATA */
300 #ifndef DISABLE_PRDR
301 US"550", /* RCPT PRDR */
302 #endif
303 US"0", /* not SMTP; not relevant */
304 US"503", /* AUTH */
305 US"550", /* connect */
306 US"458", /* ETRN */
307 US"550", /* EXPN */
308 US"550", /* HELO/EHLO */
309 US"0", /* MAILAUTH; not relevant */
310 US"0", /* not SMTP; not relevant */
311 US"0", /* NOTQUIT; not relevant */
312 US"0", /* QUIT; not relevant */
313 US"550", /* STARTTLS */
314 US"252", /* VRFY */
315 US"0", /* delivery; not relevant */
316 US"0" /* unknown; not relevant */
317 };
318
319 BOOL active_local_from_check = FALSE;
320 BOOL active_local_sender_retain = FALSE;
321 int body_8bitmime = 0;
322 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
323 address_item *addr_duplicate = NULL;
324
325 address_item address_defaults = {
326 NULL, /* next */
327 NULL, /* parent */
328 NULL, /* first */
329 NULL, /* dupof */
330 NULL, /* start_router */
331 NULL, /* router */
332 NULL, /* transport */
333 NULL, /* host_list */
334 NULL, /* host_used */
335 NULL, /* fallback_hosts */
336 NULL, /* reply */
337 NULL, /* retries */
338 NULL, /* address */
339 NULL, /* unique */
340 NULL, /* cc_local_part */
341 NULL, /* lc_local_part */
342 NULL, /* local_part */
343 NULL, /* prefix */
344 NULL, /* suffix */
345 NULL, /* domain */
346 NULL, /* address_retry_key */
347 NULL, /* domain_retry_key */
348 NULL, /* current_dir */
349 NULL, /* home_dir */
350 NULL, /* message */
351 NULL, /* user_message */
352 NULL, /* onetime_parent */
353 NULL, /* pipe_expandn */
354 NULL, /* return_filename */
355 NULL, /* self_hostname */
356 NULL, /* shadow_message */
357 #ifdef SUPPORT_TLS
358 NULL, /* cipher */
359 NULL, /* ourcert */
360 NULL, /* peercert */
361 NULL, /* peerdn */
362 OCSP_NOT_REQ, /* ocsp */
363 #endif
364 NULL, /* authenticator */
365 NULL, /* auth_id */
366 NULL, /* auth_sndr */
367 NULL, /* dsn_orcpt */
368 0, /* dsn_flags */
369 0, /* dsn_aware */
370 (uid_t)(-1), /* uid */
371 (gid_t)(-1), /* gid */
372 0, /* flags */
373 { 0 }, /* domain_cache - any larger array should be zeroed */
374 { 0 }, /* localpart_cache - ditto */
375 -1, /* mode */
376 0, /* more_errno */
377 ERRNO_UNKNOWNERROR, /* basic_errno */
378 0, /* child_count */
379 -1, /* return_file */
380 SPECIAL_NONE, /* special_action */
381 DEFER, /* transport_return */
382 { /* fields that are propagated to children */
383 NULL, /* address_data */
384 NULL, /* domain_data */
385 NULL, /* localpart_data */
386 NULL, /* errors_address */
387 NULL, /* extra_headers */
388 NULL, /* remove_headers */
389 #ifdef EXPERIMENTAL_SRS
390 NULL, /* srs_sender */
391 #endif
392 #ifdef EXPERIMENTAL_INTERNATIONAL
393 FALSE, /* utf8 */
394 #endif
395 }
396 };
397
398 uschar *address_file = NULL;
399 uschar *address_pipe = NULL;
400 BOOL address_test_mode = FALSE;
401 tree_node *addresslist_anchor = NULL;
402 int addresslist_count = 0;
403 gid_t *admin_groups = NULL;
404 BOOL admin_user = FALSE;
405 BOOL allow_auth_unadvertised= FALSE;
406 BOOL allow_domain_literals = FALSE;
407 BOOL allow_mx_to_ip = FALSE;
408 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
409 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
410 BOOL allow_utf8_domains = FALSE;
411 uschar *authenticated_fail_id = NULL;
412 uschar *authenticated_id = NULL;
413 uschar *authenticated_sender = NULL;
414 BOOL authentication_failed = FALSE;
415 auth_instance *auths = NULL;
416 uschar *auth_advertise_hosts = US"*";
417 auth_instance auth_defaults = {
418 NULL, /* chain pointer */
419 NULL, /* name */
420 NULL, /* info */
421 NULL, /* private options block pointer */
422 NULL, /* driver_name */
423 NULL, /* advertise_condition */
424 NULL, /* client_condition */
425 NULL, /* public_name */
426 NULL, /* set_id */
427 NULL, /* set_client_id */
428 NULL, /* server_mail_auth_condition */
429 NULL, /* server_debug_string */
430 NULL, /* server_condition */
431 FALSE, /* client */
432 FALSE, /* server */
433 FALSE /* advertised */
434 };
435
436 uschar *auth_defer_msg = US"reason not recorded";
437 uschar *auth_defer_user_msg = US"";
438 uschar *auth_vars[AUTH_VARS];
439 int auto_thaw = 0;
440 #ifdef WITH_CONTENT_SCAN
441 BOOL av_failed = FALSE;
442 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
443 #endif
444
445 BOOL background_daemon = TRUE;
446
447 #if BASE_62 == 62
448 uschar *base62_chars=
449 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
450 #else
451 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
452 #endif
453
454 uschar *bi_command = NULL;
455 uschar *big_buffer = NULL;
456 int big_buffer_size = BIG_BUFFER_SIZE;
457 #ifdef EXPERIMENTAL_BRIGHTMAIL
458 uschar *bmi_alt_location = NULL;
459 uschar *bmi_base64_tracker_verdict = NULL;
460 uschar *bmi_base64_verdict = NULL;
461 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
462 int bmi_deliver = 1;
463 int bmi_run = 0;
464 uschar *bmi_verdicts = NULL;
465 #endif
466 int body_linecount = 0;
467 int body_zerocount = 0;
468 uschar *bounce_message_file = NULL;
469 uschar *bounce_message_text = NULL;
470 uschar *bounce_recipient = NULL;
471 BOOL bounce_return_body = TRUE;
472 BOOL bounce_return_message = TRUE;
473 int bounce_return_size_limit = 100*1024;
474 uschar *bounce_sender_authentication = NULL;
475 int bsmtp_transaction_linecount = 0;
476
477 int callout_cache_domain_positive_expire = 7*24*60*60;
478 int callout_cache_domain_negative_expire = 3*60*60;
479 int callout_cache_positive_expire = 24*60*60;
480 int callout_cache_negative_expire = 2*60*60;
481 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
482 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
483 int check_log_inodes = 0;
484 int check_log_space = 0;
485 BOOL check_rfc2047_length = TRUE;
486 int check_spool_inodes = 0;
487 int check_spool_space = 0;
488 uschar *client_authenticator = NULL;
489 uschar *client_authenticated_id = NULL;
490 uschar *client_authenticated_sender = NULL;
491 int clmacro_count = 0;
492 uschar *clmacros[MAX_CLMACROS];
493 BOOL config_changed = FALSE;
494 FILE *config_file = NULL;
495 uschar *config_filename = NULL;
496 int config_lineno = 0;
497 #ifdef CONFIGURE_GROUP
498 gid_t config_gid = CONFIGURE_GROUP;
499 #endif
500 uschar *config_main_filelist = US CONFIGURE_FILE
501 "\0<-----------Space to patch configure_filename->";
502 uschar *config_main_filename = NULL;
503 uschar *config_main_directory = NULL;
504
505 #ifdef CONFIGURE_OWNER
506 uid_t config_uid = CONFIGURE_OWNER;
507 #endif
508
509 int connection_max_messages= -1;
510 uschar *continue_hostname = NULL;
511 uschar *continue_host_address = NULL;
512 BOOL continue_more = FALSE;
513 int continue_sequence = 1;
514 uschar *continue_transport = NULL;
515
516 uschar *csa_status = NULL;
517 cut_t cutthrough = {
518 FALSE, /* delivery: when to attempt */
519 -1, /* fd: open connection */
520 0, /* nrcpt: number of addresses */
521 };
522
523 BOOL daemon_listen = FALSE;
524 uschar *daemon_smtp_port = US"smtp";
525 int daemon_startup_retries = 9;
526 int daemon_startup_sleep = 30;
527
528 #ifdef EXPERIMENTAL_DCC
529 BOOL dcc_direct_add_header = FALSE;
530 uschar *dcc_header = NULL;
531 uschar *dcc_result = NULL;
532 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
533 uschar *dccifd_options = US"header";
534 #endif
535
536 BOOL debug_daemon = FALSE;
537 int debug_fd = -1;
538 FILE *debug_file = NULL;
539 bit_table debug_options[] = {
540 { US"acl", D_acl },
541 { US"all", D_all },
542 { US"auth", D_auth },
543 { US"deliver", D_deliver },
544 { US"dns", D_dns },
545 { US"dnsbl", D_dnsbl },
546 { US"exec", D_exec },
547 { US"expand", D_expand },
548 { US"filter", D_filter },
549 { US"hints_lookup", D_hints_lookup },
550 { US"host_lookup", D_host_lookup },
551 { US"ident", D_ident },
552 { US"interface", D_interface },
553 { US"lists", D_lists },
554 { US"load", D_load },
555 { US"local_scan", D_local_scan },
556 { US"lookup", D_lookup },
557 { US"memory", D_memory },
558 { US"pid", D_pid },
559 { US"process_info", D_process_info },
560 { US"queue_run", D_queue_run },
561 { US"receive", D_receive },
562 { US"resolver", D_resolver },
563 { US"retry", D_retry },
564 { US"rewrite", D_rewrite },
565 { US"route", D_route },
566 { US"timestamp", D_timestamp },
567 { US"tls", D_tls },
568 { US"transport", D_transport },
569 { US"uid", D_uid },
570 { US"verify", D_verify }
571 };
572 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
573 unsigned int debug_selector = 0;
574 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
575 uschar *delay_warning_condition=
576 US"${if or {"
577 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
578 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
579 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
580 "} {no}{yes}}";
581 BOOL delivery_date_remove = TRUE;
582 uschar *deliver_address_data = NULL;
583 int deliver_datafile = -1;
584 const uschar *deliver_domain = NULL;
585 uschar *deliver_domain_data = NULL;
586 const uschar *deliver_domain_orig = NULL;
587 const uschar *deliver_domain_parent = NULL;
588 BOOL deliver_drop_privilege = FALSE;
589 BOOL deliver_firsttime = FALSE;
590 BOOL deliver_force = FALSE;
591 BOOL deliver_freeze = FALSE;
592 time_t deliver_frozen_at = 0;
593 uschar *deliver_home = NULL;
594 const uschar *deliver_host = NULL;
595 const uschar *deliver_host_address = NULL;
596 int deliver_host_port = 0;
597 uschar *deliver_in_buffer = NULL;
598 ino_t deliver_inode = 0;
599 uschar *deliver_localpart = NULL;
600 uschar *deliver_localpart_data = NULL;
601 uschar *deliver_localpart_orig = NULL;
602 uschar *deliver_localpart_parent = NULL;
603 uschar *deliver_localpart_prefix = NULL;
604 uschar *deliver_localpart_suffix = NULL;
605 BOOL deliver_force_thaw = FALSE;
606 BOOL deliver_manual_thaw = FALSE;
607 uschar *deliver_out_buffer = NULL;
608 int deliver_queue_load_max = -1;
609 address_item *deliver_recipients = NULL;
610 uschar *deliver_selectstring = NULL;
611 BOOL deliver_selectstring_regex = FALSE;
612 uschar *deliver_selectstring_sender = NULL;
613 BOOL deliver_selectstring_sender_regex = FALSE;
614 #ifdef WITH_OLD_DEMIME
615 int demime_errorlevel = 0;
616 int demime_ok = 0;
617 uschar *demime_reason = NULL;
618 #endif
619 BOOL disable_callout_flush = FALSE;
620 BOOL disable_delay_flush = FALSE;
621 #ifdef ENABLE_DISABLE_FSYNC
622 BOOL disable_fsync = FALSE;
623 #endif
624 BOOL disable_ipv6 = FALSE;
625 BOOL disable_logging = FALSE;
626
627 #ifndef DISABLE_DKIM
628 uschar *dkim_cur_signer = NULL;
629 uschar *dkim_signers = NULL;
630 uschar *dkim_signing_domain = NULL;
631 uschar *dkim_signing_selector = NULL;
632 uschar *dkim_verify_signers = US"$dkim_signers";
633 BOOL dkim_collect_input = FALSE;
634 BOOL dkim_disable_verify = FALSE;
635 #endif
636 #ifdef EXPERIMENTAL_DMARC
637 BOOL dmarc_has_been_checked = FALSE;
638 uschar *dmarc_ar_header = NULL;
639 uschar *dmarc_domain_policy = NULL;
640 uschar *dmarc_forensic_sender = NULL;
641 uschar *dmarc_history_file = NULL;
642 uschar *dmarc_status = NULL;
643 uschar *dmarc_status_text = NULL;
644 uschar *dmarc_tld_file = NULL;
645 uschar *dmarc_used_domain = NULL;
646 BOOL dmarc_disable_verify = FALSE;
647 BOOL dmarc_enable_forensic = FALSE;
648 #endif
649
650 uschar *dns_again_means_nonexist = NULL;
651 int dns_csa_search_limit = 5;
652 BOOL dns_csa_use_reverse = TRUE;
653 #ifdef EXPERIMENTAL_DANE
654 int dns_dane_ok = -1;
655 #endif
656 uschar *dns_ipv4_lookup = NULL;
657 int dns_retrans = 0;
658 int dns_retry = 0;
659 int dns_dnssec_ok = -1; /* <0 = not coerced */
660 int dns_use_edns0 = -1; /* <0 = not coerced */
661 uschar *dnslist_domain = NULL;
662 uschar *dnslist_matched = NULL;
663 uschar *dnslist_text = NULL;
664 uschar *dnslist_value = NULL;
665 tree_node *domainlist_anchor = NULL;
666 int domainlist_count = 0;
667 BOOL dont_deliver = FALSE;
668 BOOL dot_ends = TRUE;
669 BOOL drop_cr = FALSE; /* No longer used */
670 uschar *dsn_from = US DEFAULT_DSN_FROM;
671
672 BOOL enable_dollar_recipients = FALSE;
673 BOOL envelope_to_remove = TRUE;
674 int errno_quota = ERRNO_QUOTA;
675 uschar *errors_copy = NULL;
676 int error_handling = ERRORS_SENDER;
677 uschar *errors_reply_to = NULL;
678 int errors_sender_rc = EXIT_FAILURE;
679 #ifdef EXPERIMENTAL_EVENT
680 uschar *event_action = NULL; /* expansion for delivery events */
681 uschar *event_data = NULL; /* auxilary data variable for event */
682 int event_defer_errno = 0;
683 const uschar *event_name = NULL; /* event name variable */
684 #endif
685
686
687 gid_t exim_gid = EXIM_GID;
688 BOOL exim_gid_set = TRUE; /* This gid is always set */
689 uschar *exim_path = US BIN_DIRECTORY "/exim"
690 "\0<---------------Space to patch exim_path->";
691 uid_t exim_uid = EXIM_UID;
692 BOOL exim_uid_set = TRUE; /* This uid is always set */
693 int expand_forbid = 0;
694 int expand_nlength[EXPAND_MAXN+1];
695 int expand_nmax = -1;
696 uschar *expand_nstring[EXPAND_MAXN+1];
697 BOOL expand_string_forcedfail = FALSE;
698 uschar *expand_string_message;
699 BOOL extract_addresses_remove_arguments = TRUE;
700 uschar *extra_local_interfaces = NULL;
701
702 int fake_response = OK;
703 uschar *fake_response_text = US"Your message has been rejected but is "
704 "being kept for evaluation.\nIf it was a "
705 "legitimate message, it may still be "
706 "delivered to the target recipient(s).";
707 int filter_n[FILTER_VARIABLE_COUNT];
708 BOOL filter_running = FALSE;
709 int filter_sn[FILTER_VARIABLE_COUNT];
710 int filter_test = FTEST_NONE;
711 uschar *filter_test_sfile = NULL;
712 uschar *filter_test_ufile = NULL;
713 uschar *filter_thisaddress = NULL;
714 int finduser_retries = 0;
715 #ifdef WITH_OLD_DEMIME
716 uschar *found_extension = NULL;
717 #endif
718 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
719 uschar *freeze_tell = NULL;
720 uschar *freeze_tell_config = NULL;
721 uschar *fudged_queue_times = US"";
722
723 uschar *gecos_name = NULL;
724 uschar *gecos_pattern = NULL;
725 rewrite_rule *global_rewrite_rules = NULL;
726
727 uschar *headers_charset = US HEADERS_CHARSET;
728 int header_insert_maxlen = 64 * 1024;
729 header_line *header_last = NULL;
730 header_line *header_list = NULL;
731 int header_maxsize = HEADER_MAXSIZE;
732 int header_line_maxsize = 0;
733
734 header_name header_names[] = {
735 { US"bcc", 3, TRUE, htype_bcc },
736 { US"cc", 2, TRUE, htype_cc },
737 { US"date", 4, TRUE, htype_date },
738 { US"delivery-date", 13, FALSE, htype_delivery_date },
739 { US"envelope-to", 11, FALSE, htype_envelope_to },
740 { US"from", 4, TRUE, htype_from },
741 { US"message-id", 10, TRUE, htype_id },
742 { US"received", 8, FALSE, htype_received },
743 { US"reply-to", 8, FALSE, htype_reply_to },
744 { US"return-path", 11, FALSE, htype_return_path },
745 { US"sender", 6, TRUE, htype_sender },
746 { US"subject", 7, FALSE, htype_subject },
747 { US"to", 2, TRUE, htype_to }
748 };
749
750 int header_names_size = sizeof(header_names)/sizeof(header_name);
751
752 BOOL header_rewritten = FALSE;
753 uschar *helo_accept_junk_hosts = NULL;
754 uschar *helo_allow_chars = US"";
755 uschar *helo_lookup_domains = US"@ : @[]";
756 uschar *helo_try_verify_hosts = NULL;
757 BOOL helo_verified = FALSE;
758 BOOL helo_verify_failed = FALSE;
759 uschar *helo_verify_hosts = NULL;
760 const uschar *hex_digits = CUS"0123456789abcdef";
761 uschar *hold_domains = NULL;
762 BOOL host_checking = FALSE;
763 BOOL host_checking_callout = FALSE;
764 uschar *host_data = NULL;
765 BOOL host_find_failed_syntax= FALSE;
766 uschar *host_lookup = NULL;
767 BOOL host_lookup_deferred = FALSE;
768 BOOL host_lookup_failed = FALSE;
769 uschar *host_lookup_order = US"bydns:byaddr";
770 uschar *host_lookup_msg = US"";
771 int host_number = 0;
772 uschar *host_number_string = NULL;
773 uschar *host_reject_connection = NULL;
774 tree_node *hostlist_anchor = NULL;
775 int hostlist_count = 0;
776 uschar *hosts_treat_as_local = NULL;
777 uschar *hosts_connection_nolog = NULL;
778
779 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
780 BOOL ignore_fromline_local = FALSE;
781 uschar *ignore_fromline_hosts = NULL;
782 BOOL inetd_wait_mode = FALSE;
783 int inetd_wait_timeout = -1;
784 uschar *interface_address = NULL;
785 int interface_port = -1;
786 BOOL is_inetd = FALSE;
787 uschar *iterate_item = NULL;
788
789 int journal_fd = -1;
790
791 int keep_malformed = 4*24*60*60; /* 4 days */
792
793 uschar *eldap_dn = NULL;
794 int load_average = -2;
795 BOOL local_error_message = FALSE;
796 BOOL local_from_check = TRUE;
797 uschar *local_from_prefix = NULL;
798 uschar *local_from_suffix = NULL;
799
800 #if HAVE_IPV6
801 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
802 #else
803 uschar *local_interfaces = US"0.0.0.0";
804 #endif
805
806 uschar *local_scan_data = NULL;
807 int local_scan_timeout = 5*60;
808 BOOL local_sender_retain = FALSE;
809 gid_t local_user_gid = (gid_t)(-1);
810 uid_t local_user_uid = (uid_t)(-1);
811
812 tree_node *localpartlist_anchor= NULL;
813 int localpartlist_count = 0;
814 uschar *log_buffer = NULL;
815 unsigned int log_extra_selector = LX_default;
816 uschar *log_file_path = US LOG_FILE_PATH
817 "\0<--------------Space to patch log_file_path->";
818
819 /* Those log options with L_xxx identifiers have values less than 0x800000 and
820 are the ones that get put into log_write_selector. They can be used in calls to
821 log_write() to test for the bit. The options with LX_xxx identifiers have
822 values greater than 0x80000000 and are put into log_extra_selector (without the
823 top bit). They are never used in calls to log_write(), but are tested
824 independently. This separation became necessary when the number of log
825 selectors was getting close to filling a 32-bit word. */
826
827 /* Note that this list must be in alphabetical order. */
828
829 bit_table log_options[] = {
830 { US"8bitmime", LX_8bitmime },
831 { US"acl_warn_skipped", LX_acl_warn_skipped },
832 { US"address_rewrite", L_address_rewrite },
833 { US"all", L_all },
834 { US"all_parents", L_all_parents },
835 { US"arguments", LX_arguments },
836 { US"connection_reject", L_connection_reject },
837 { US"delay_delivery", L_delay_delivery },
838 { US"deliver_time", LX_deliver_time },
839 { US"delivery_size", LX_delivery_size },
840 { US"dnslist_defer", L_dnslist_defer },
841 { US"etrn", L_etrn },
842 { US"host_lookup_failed", L_host_lookup_failed },
843 { US"ident_timeout", LX_ident_timeout },
844 { US"incoming_interface", LX_incoming_interface },
845 { US"incoming_port", LX_incoming_port },
846 { US"lost_incoming_connection", L_lost_incoming_connection },
847 { US"outgoing_port", LX_outgoing_port },
848 { US"pid", LX_pid },
849 #ifdef EXPERIMENTAL_PROXY
850 { US"proxy", LX_proxy },
851 #endif
852 { US"queue_run", L_queue_run },
853 { US"queue_time", LX_queue_time },
854 { US"queue_time_overall", LX_queue_time_overall },
855 { US"received_recipients", LX_received_recipients },
856 { US"received_sender", LX_received_sender },
857 { US"rejected_header", LX_rejected_header },
858 { US"rejected_headers", LX_rejected_header },
859 { US"retry_defer", L_retry_defer },
860 { US"return_path_on_delivery", LX_return_path_on_delivery },
861 { US"sender_on_delivery", LX_sender_on_delivery },
862 { US"sender_verify_fail", LX_sender_verify_fail },
863 { US"size_reject", L_size_reject },
864 { US"skip_delivery", L_skip_delivery },
865 { US"smtp_confirmation", LX_smtp_confirmation },
866 { US"smtp_connection", L_smtp_connection },
867 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
868 { US"smtp_mailauth", LX_smtp_mailauth },
869 { US"smtp_no_mail", LX_smtp_no_mail },
870 { US"smtp_protocol_error", L_smtp_protocol_error },
871 { US"smtp_syntax_error", L_smtp_syntax_error },
872 { US"subject", LX_subject },
873 { US"tls_certificate_verified", LX_tls_certificate_verified },
874 { US"tls_cipher", LX_tls_cipher },
875 { US"tls_peerdn", LX_tls_peerdn },
876 { US"tls_sni", LX_tls_sni },
877 { US"unknown_in_list", LX_unknown_in_list }
878 };
879
880 int log_options_count = sizeof(log_options)/sizeof(bit_table);
881 int log_reject_target = 0;
882 uschar *log_selector_string = NULL;
883 FILE *log_stderr = NULL;
884 BOOL log_testing_mode = FALSE;
885 BOOL log_timezone = FALSE;
886 unsigned int log_write_selector= L_default;
887 uschar *login_sender_address = NULL;
888 uschar *lookup_dnssec_authenticated = NULL;
889 int lookup_open_max = 25;
890 uschar *lookup_value = NULL;
891
892 macro_item *macros = NULL;
893 uschar *mailstore_basename = NULL;
894 #ifdef WITH_CONTENT_SCAN
895 uschar *malware_name = NULL; /* Virus Name */
896 #endif
897 int max_received_linelength= 0;
898 int max_username_length = 0;
899 int message_age = 0;
900 uschar *message_body = NULL;
901 uschar *message_body_end = NULL;
902 BOOL message_body_newlines = FALSE;
903 int message_body_size = 0;
904 int message_body_visible = 500;
905 int message_ended = END_NOTSTARTED;
906 uschar *message_headers = NULL;
907 uschar *message_id;
908 uschar *message_id_domain = NULL;
909 uschar *message_id_text = NULL;
910 struct timeval message_id_tv = { 0, 0 };
911 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
912 uschar *message_id_external;
913 int message_linecount = 0;
914 BOOL message_logs = TRUE;
915 int message_size = 0;
916 uschar *message_size_limit = US"50M";
917 #ifdef EXPERIMENTAL_INTERNATIONAL
918 BOOL message_smtputf8 = FALSE;
919 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
920 #endif
921 uschar message_subdir[2] = { 0, 0 };
922 uschar *message_reference = NULL;
923
924 /* MIME ACL expandables */
925 #ifdef WITH_CONTENT_SCAN
926 int mime_anomaly_level = 0;
927 const uschar *mime_anomaly_text = NULL;
928 uschar *mime_boundary = NULL;
929 uschar *mime_charset = NULL;
930 uschar *mime_content_description = NULL;
931 uschar *mime_content_disposition = NULL;
932 uschar *mime_content_id = NULL;
933 unsigned int mime_content_size = 0;
934 uschar *mime_content_transfer_encoding = NULL;
935 uschar *mime_content_type = NULL;
936 uschar *mime_decoded_filename = NULL;
937 uschar *mime_filename = NULL;
938 int mime_is_multipart = 0;
939 int mime_is_coverletter = 0;
940 int mime_is_rfc822 = 0;
941 int mime_part_count = -1;
942 #endif
943
944 BOOL mua_wrapper = FALSE;
945
946 uid_t *never_users = NULL;
947 #ifdef WITH_CONTENT_SCAN
948 BOOL no_mbox_unspool = FALSE;
949 #endif
950 BOOL no_multiline_responses = FALSE;
951
952 uid_t original_euid;
953 gid_t originator_gid;
954 uschar *originator_login = NULL;
955 uschar *originator_name = NULL;
956 uid_t originator_uid;
957 uschar *override_local_interfaces = NULL;
958 uschar *override_pid_file_path = NULL;
959
960 BOOL parse_allow_group = FALSE;
961 BOOL parse_found_group = FALSE;
962 uschar *percent_hack_domains = NULL;
963 uschar *pid_file_path = US PID_FILE_PATH
964 "\0<--------------Space to patch pid_file_path->";
965 BOOL pipelining_enable = TRUE;
966 uschar *pipelining_advertise_hosts = US"*";
967 BOOL preserve_message_logs = FALSE;
968 uschar *primary_hostname = NULL;
969 BOOL print_topbitchars = FALSE;
970 uschar process_info[PROCESS_INFO_SIZE];
971 int process_info_len = 0;
972 uschar *process_log_path = NULL;
973 BOOL prod_requires_admin = TRUE;
974
975 #ifdef EXPERIMENTAL_PROXY
976 uschar *proxy_host_address = US"";
977 int proxy_host_port = 0;
978 uschar *proxy_required_hosts = US"";
979 BOOL proxy_session = FALSE;
980 BOOL proxy_session_failed = FALSE;
981 uschar *proxy_target_address = US"";
982 int proxy_target_port = 0;
983 #endif
984
985 uschar *prvscheck_address = NULL;
986 uschar *prvscheck_keynum = NULL;
987 uschar *prvscheck_result = NULL;
988
989
990 const uschar *qualify_domain_recipient = NULL;
991 uschar *qualify_domain_sender = NULL;
992 BOOL queue_2stage = FALSE;
993 uschar *queue_domains = NULL;
994 int queue_interval = -1;
995 BOOL queue_list_requires_admin = TRUE;
996 BOOL queue_only = FALSE;
997 uschar *queue_only_file = NULL;
998 int queue_only_load = -1;
999 BOOL queue_only_load_latch = TRUE;
1000 BOOL queue_only_override = TRUE;
1001 BOOL queue_only_policy = FALSE;
1002 BOOL queue_run_first_delivery = FALSE;
1003 BOOL queue_run_force = FALSE;
1004 BOOL queue_run_in_order = FALSE;
1005 BOOL queue_run_local = FALSE;
1006 int queue_run_max = 5;
1007 pid_t queue_run_pid = (pid_t)0;
1008 int queue_run_pipe = -1;
1009 BOOL queue_running = FALSE;
1010 BOOL queue_smtp = FALSE;
1011 uschar *queue_smtp_domains = NULL;
1012
1013 unsigned int random_seed = 0;
1014 tree_node *ratelimiters_cmd = NULL;
1015 tree_node *ratelimiters_conn = NULL;
1016 tree_node *ratelimiters_mail = NULL;
1017 uschar *raw_active_hostname = NULL;
1018 uschar *raw_sender = NULL;
1019 uschar **raw_recipients = NULL;
1020 int raw_recipients_count = 0;
1021
1022 int rcpt_count = 0;
1023 int rcpt_fail_count = 0;
1024 int rcpt_defer_count = 0;
1025 gid_t real_gid;
1026 uid_t real_uid;
1027 BOOL really_exim = TRUE;
1028 BOOL receive_call_bombout = FALSE;
1029 int receive_linecount = 0;
1030 int receive_messagecount = 0;
1031 int receive_timeout = 0;
1032 int received_count = 0;
1033 uschar *received_for = NULL;
1034
1035 /* This is the default text for Received headers generated by Exim. The
1036 date will be automatically added on the end. */
1037
1038 uschar *received_header_text = US
1039 "Received: "
1040 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1041 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1042 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1043 "by $primary_hostname "
1044 "${if def:received_protocol {with $received_protocol}} "
1045 #ifdef SUPPORT_TLS
1046 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1047 #endif
1048 "(Exim $version_number)\n\t"
1049 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1050 "id $message_exim_id"
1051 "${if def:received_for {\n\tfor $received_for}}"
1052 "\0<---------------Space to patch received_header_text->";
1053
1054 int received_headers_max = 30;
1055 uschar *received_protocol = NULL;
1056 int received_time = 0;
1057 uschar *recipient_data = NULL;
1058 uschar *recipient_unqualified_hosts = NULL;
1059 uschar *recipient_verify_failure = NULL;
1060 int recipients_count = 0;
1061 BOOL recipients_discarded = FALSE;
1062 recipient_item *recipients_list = NULL;
1063 int recipients_list_max = 0;
1064 int recipients_max = 0;
1065 BOOL recipients_max_reject = FALSE;
1066 const pcre *regex_AUTH = NULL;
1067 const pcre *regex_check_dns_names = NULL;
1068 const pcre *regex_From = NULL;
1069 const pcre *regex_IGNOREQUOTA = NULL;
1070 const pcre *regex_PIPELINING = NULL;
1071 const pcre *regex_SIZE = NULL;
1072 const pcre *regex_smtp_code = NULL;
1073 const pcre *regex_ismsgid = NULL;
1074 #ifdef WHITELIST_D_MACROS
1075 const pcre *regex_whitelisted_macro = NULL;
1076 #endif
1077 #ifdef WITH_CONTENT_SCAN
1078 uschar *regex_match_string = NULL;
1079 #endif
1080 int remote_delivery_count = 0;
1081 int remote_max_parallel = 2;
1082 uschar *remote_sort_domains = NULL;
1083 int retry_data_expire = 7*24*60*60;
1084 int retry_interval_max = 24*60*60;
1085 int retry_maximum_timeout = 0; /* set from retry config */
1086 retry_config *retries = NULL;
1087 uschar *return_path = NULL;
1088 BOOL return_path_remove = TRUE;
1089 int rewrite_existflags = 0;
1090 uschar *rfc1413_hosts = US"@[]";
1091 int rfc1413_query_timeout = 0;
1092 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1093 uid_t root_gid = ROOT_GID;
1094 uid_t root_uid = ROOT_UID;
1095
1096 router_instance *routers = NULL;
1097 router_instance router_defaults = {
1098 NULL, /* chain pointer */
1099 NULL, /* name */
1100 NULL, /* info */
1101 NULL, /* private options block pointer */
1102 NULL, /* driver name */
1103
1104 NULL, /* address_data */
1105 #ifdef EXPERIMENTAL_BRIGHTMAIL
1106 NULL, /* bmi_rule */
1107 #endif
1108 NULL, /* cannot_route_message */
1109 NULL, /* condition */
1110 NULL, /* current_directory */
1111 NULL, /* debug_string */
1112 NULL, /* domains */
1113 NULL, /* errors_to */
1114 NULL, /* expand_gid */
1115 NULL, /* expand_uid */
1116 NULL, /* expand_more */
1117 NULL, /* expand_unseen */
1118 NULL, /* extra_headers */
1119 NULL, /* fallback_hosts */
1120 NULL, /* home_directory */
1121 NULL, /* ignore_target_hosts */
1122 NULL, /* local_parts */
1123 NULL, /* pass_router_name */
1124 NULL, /* prefix */
1125 NULL, /* redirect_router_name */
1126 NULL, /* remove_headers */
1127 NULL, /* require_files */
1128 NULL, /* router_home_directory */
1129 US"freeze", /* self */
1130 NULL, /* senders */
1131 NULL, /* suffix */
1132 NULL, /* translate_ip_address */
1133 NULL, /* transport_name */
1134
1135 TRUE, /* address_test */
1136 #ifdef EXPERIMENTAL_BRIGHTMAIL
1137 FALSE, /* bmi_deliver_alternate */
1138 FALSE, /* bmi_deliver_default */
1139 FALSE, /* bmi_dont_deliver */
1140 #endif
1141 TRUE, /* expn */
1142 FALSE, /* caseful_local_part */
1143 FALSE, /* check_local_user */
1144 FALSE, /* disable_logging */
1145 FALSE, /* fail_verify_recipient */
1146 FALSE, /* fail_verify_sender */
1147 FALSE, /* gid_set */
1148 FALSE, /* initgroups */
1149 TRUE_UNSET, /* log_as_local */
1150 TRUE, /* more */
1151 FALSE, /* pass_on_timeout */
1152 FALSE, /* prefix_optional */
1153 TRUE, /* repeat_use */
1154 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1155 FALSE, /* same_domain_copy_routing */
1156 FALSE, /* self_rewrite */
1157 FALSE, /* suffix_optional */
1158 FALSE, /* verify_only */
1159 TRUE, /* verify_recipient */
1160 TRUE, /* verify_sender */
1161 FALSE, /* uid_set */
1162 FALSE, /* unseen */
1163 FALSE, /* dsn_lasthop */
1164
1165 self_freeze, /* self_code */
1166 (uid_t)(-1), /* uid */
1167 (gid_t)(-1), /* gid */
1168
1169 NULL, /* fallback_hostlist */
1170 NULL, /* transport instance */
1171 NULL, /* pass_router */
1172 NULL, /* redirect_router */
1173
1174 { NULL, NULL }, /* dnssec_domains {require,request} */
1175 };
1176
1177 uschar *router_name = NULL;
1178
1179 ip_address_item *running_interfaces = NULL;
1180 BOOL running_in_test_harness = FALSE;
1181
1182 /* This is a weird one. The following string gets patched in the binary by the
1183 script that sets up a copy of Exim for running in the test harness. It seems
1184 that compilers are now clever, and share constant strings if they can.
1185 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1186 make use of the end of this string in order to save space. So the patching then
1187 wrecks this. We defeat this optimization by adding some additional characters
1188 onto the end of the string. */
1189
1190 uschar *running_status = US">>>running<<<" "\0EXTRA";
1191
1192 int runrc = 0;
1193
1194 uschar *search_error_message = NULL;
1195 BOOL search_find_defer = FALSE;
1196 uschar *self_hostname = NULL;
1197 uschar *sender_address = NULL;
1198 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1199 uschar *sender_address_data = NULL;
1200 BOOL sender_address_forced = FALSE;
1201 uschar *sender_address_unrewritten = NULL;
1202 uschar *sender_data = NULL;
1203 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1204 uschar *sender_fullhost = NULL;
1205 BOOL sender_helo_dnssec = FALSE;
1206 uschar *sender_helo_name = NULL;
1207 uschar **sender_host_aliases = &no_aliases;
1208 uschar *sender_host_address = NULL;
1209 uschar *sender_host_authenticated = NULL;
1210 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1211 BOOL sender_host_dnssec = FALSE;
1212 uschar *sender_host_name = NULL;
1213 int sender_host_port = 0;
1214 BOOL sender_host_notsocket = FALSE;
1215 BOOL sender_host_unknown = FALSE;
1216 uschar *sender_ident = NULL;
1217 BOOL sender_local = FALSE;
1218 BOOL sender_name_forced = FALSE;
1219 uschar *sender_rate = NULL;
1220 uschar *sender_rate_limit = NULL;
1221 uschar *sender_rate_period = NULL;
1222 uschar *sender_rcvhost = NULL;
1223 BOOL sender_set_untrusted = FALSE;
1224 uschar *sender_unqualified_hosts = NULL;
1225 uschar *sender_verify_failure = NULL;
1226 address_item *sender_verified_list = NULL;
1227 address_item *sender_verified_failed = NULL;
1228 int sender_verified_rc = -1;
1229 BOOL sender_verified_responded = FALSE;
1230 uschar *sending_ip_address = NULL;
1231 int sending_port = -1;
1232 SIGNAL_BOOL sigalrm_seen = FALSE;
1233 uschar **sighup_argv = NULL;
1234 int slow_lookup_log = 0; /* millisecs, zero disables */
1235 int smtp_accept_count = 0;
1236 BOOL smtp_accept_keepalive = TRUE;
1237 int smtp_accept_max = 20;
1238 int smtp_accept_max_nonmail= 10;
1239 uschar *smtp_accept_max_nonmail_hosts = US"*";
1240 int smtp_accept_max_per_connection = 1000;
1241 uschar *smtp_accept_max_per_host = NULL;
1242 int smtp_accept_queue = 0;
1243 int smtp_accept_queue_per_connection = 10;
1244 int smtp_accept_reserve = 0;
1245 uschar *smtp_active_hostname = NULL;
1246 BOOL smtp_authenticated = FALSE;
1247 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1248 "Exim $version_number $tod_full"
1249 "\0<---------------Space to patch smtp_banner->";
1250 BOOL smtp_batched_input = FALSE;
1251 BOOL smtp_check_spool_space = TRUE;
1252 int smtp_ch_index = 0;
1253 uschar *smtp_cmd_argument = NULL;
1254 uschar *smtp_cmd_buffer = NULL;
1255 time_t smtp_connection_start = 0;
1256 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1257 int smtp_connect_backlog = 20;
1258 double smtp_delay_mail = 0.0;
1259 double smtp_delay_rcpt = 0.0;
1260 BOOL smtp_enforce_sync = TRUE;
1261 FILE *smtp_in = NULL;
1262 BOOL smtp_input = FALSE;
1263 int smtp_load_reserve = -1;
1264 int smtp_mailcmd_count = 0;
1265 FILE *smtp_out = NULL;
1266 uschar *smtp_etrn_command = NULL;
1267 BOOL smtp_etrn_serialize = TRUE;
1268 int smtp_max_synprot_errors= 3;
1269 int smtp_max_unknown_commands = 3;
1270 uschar *smtp_notquit_reason = NULL;
1271 uschar *smtp_ratelimit_hosts = NULL;
1272 uschar *smtp_ratelimit_mail = NULL;
1273 uschar *smtp_ratelimit_rcpt = NULL;
1274 uschar *smtp_read_error = US"";
1275 int smtp_receive_timeout = 5*60;
1276 uschar *smtp_receive_timeout_s = NULL;
1277 uschar *smtp_reserve_hosts = NULL;
1278 BOOL smtp_return_error_details = FALSE;
1279 int smtp_rlm_base = 0;
1280 double smtp_rlm_factor = 0.0;
1281 int smtp_rlm_limit = 0;
1282 int smtp_rlm_threshold = INT_MAX;
1283 int smtp_rlr_base = 0;
1284 double smtp_rlr_factor = 0.0;
1285 int smtp_rlr_limit = 0;
1286 int smtp_rlr_threshold = INT_MAX;
1287 BOOL smtp_use_pipelining = FALSE;
1288 BOOL smtp_use_size = FALSE;
1289 #ifdef EXPERIMENTAL_INTERNATIONAL
1290 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1291 #endif
1292
1293 #ifdef WITH_CONTENT_SCAN
1294 uschar *spamd_address = US"127.0.0.1 783";
1295 uschar *spam_bar = NULL;
1296 uschar *spam_report = NULL;
1297 uschar *spam_action = NULL;
1298 uschar *spam_score = NULL;
1299 uschar *spam_score_int = NULL;
1300 #endif
1301 #ifdef EXPERIMENTAL_SPF
1302 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1303 uschar *spf_header_comment = NULL;
1304 uschar *spf_received = NULL;
1305 uschar *spf_result = NULL;
1306 uschar *spf_smtp_comment = NULL;
1307 #endif
1308
1309 BOOL split_spool_directory = FALSE;
1310 uschar *spool_directory = US SPOOL_DIRECTORY
1311 "\0<--------------Space to patch spool_directory->";
1312 #ifdef EXPERIMENTAL_SRS
1313 uschar *srs_config = NULL;
1314 uschar *srs_db_address = NULL;
1315 uschar *srs_db_key = NULL;
1316 int srs_hashlength = 6;
1317 int srs_hashmin = -1;
1318 int srs_maxage = 31;
1319 uschar *srs_orig_recipient = NULL;
1320 uschar *srs_orig_sender = NULL;
1321 uschar *srs_recipient = NULL;
1322 uschar *srs_secrets = NULL;
1323 uschar *srs_status = NULL;
1324 BOOL srs_usehash = TRUE;
1325 BOOL srs_usetimestamp = TRUE;
1326 #endif
1327 BOOL strict_acl_vars = FALSE;
1328 int string_datestamp_offset= -1;
1329 int string_datestamp_length= 0;
1330 int string_datestamp_type = -1;
1331 BOOL strip_excess_angle_brackets = FALSE;
1332 BOOL strip_trailing_dot = FALSE;
1333 uschar *submission_domain = NULL;
1334 BOOL submission_mode = FALSE;
1335 uschar *submission_name = NULL;
1336 BOOL suppress_local_fixups = FALSE;
1337 BOOL suppress_local_fixups_default = FALSE;
1338 BOOL synchronous_delivery = FALSE;
1339 BOOL syslog_duplication = TRUE;
1340 int syslog_facility = LOG_MAIL;
1341 uschar *syslog_processname = US"exim";
1342 BOOL syslog_timestamp = TRUE;
1343 uschar *system_filter = NULL;
1344
1345 uschar *system_filter_directory_transport = NULL;
1346 uschar *system_filter_file_transport = NULL;
1347 uschar *system_filter_pipe_transport = NULL;
1348 uschar *system_filter_reply_transport = NULL;
1349
1350 gid_t system_filter_gid = 0;
1351 BOOL system_filter_gid_set = FALSE;
1352 uid_t system_filter_uid = (uid_t)-1;
1353 BOOL system_filter_uid_set = FALSE;
1354 BOOL system_filtering = FALSE;
1355
1356 BOOL tcp_nodelay = TRUE;
1357 #ifdef USE_TCP_WRAPPERS
1358 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1359 #endif
1360 int test_harness_load_avg = 0;
1361 int thismessage_size_limit = 0;
1362 int timeout_frozen_after = 0;
1363 BOOL timestamps_utc = FALSE;
1364
1365 transport_instance *transports = NULL;
1366
1367 transport_instance transport_defaults = {
1368 NULL, /* chain pointer */
1369 NULL, /* name */
1370 NULL, /* info */
1371 NULL, /* private options block pointer */
1372 NULL, /* driver name */
1373 NULL, /* setup entry point */
1374 1, /* batch_max */
1375 NULL, /* batch_id */
1376 NULL, /* home_dir */
1377 NULL, /* current_dir */
1378 NULL, /* expand-multi-domain */
1379 TRUE, /* multi-domain */
1380 FALSE, /* overrides_hosts */
1381 100, /* max_addresses */
1382 500, /* connection_max_messages */
1383 FALSE, /* deliver_as_creator */
1384 FALSE, /* disable_logging */
1385 FALSE, /* initgroups */
1386 FALSE, /* uid_set */
1387 FALSE, /* gid_set */
1388 (uid_t)(-1), /* uid */
1389 (gid_t)(-1), /* gid */
1390 NULL, /* expand_uid */
1391 NULL, /* expand_gid */
1392 NULL, /* warn_message */
1393 NULL, /* shadow */
1394 NULL, /* shadow_condition */
1395 NULL, /* filter_command */
1396 NULL, /* add_headers */
1397 NULL, /* remove_headers */
1398 NULL, /* return_path */
1399 NULL, /* debug_string */
1400 NULL, /* message_size_limit */
1401 NULL, /* headers_rewrite */
1402 NULL, /* rewrite_rules */
1403 0, /* rewrite_existflags */
1404 300, /* filter_timeout */
1405 FALSE, /* body_only */
1406 FALSE, /* delivery_date_add */
1407 FALSE, /* envelope_to_add */
1408 FALSE, /* headers_only */
1409 FALSE, /* rcpt_include_affixes */
1410 FALSE, /* return_path_add */
1411 FALSE, /* return_output */
1412 FALSE, /* return_fail_output */
1413 FALSE, /* log_output */
1414 FALSE, /* log_fail_output */
1415 FALSE, /* log_defer_output */
1416 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1417 1 nor 0 so can detect unset */
1418 #ifdef EXPERIMENTAL_EVENT
1419 ,NULL /* event_action */
1420 #endif
1421 };
1422
1423 int transport_count;
1424 uschar *transport_name = NULL;
1425 int transport_newlines;
1426 const uschar **transport_filter_argv = NULL;
1427 int transport_filter_timeout;
1428 BOOL transport_filter_timed_out = FALSE;
1429 int transport_write_timeout= 0;
1430
1431 tree_node *tree_dns_fails = NULL;
1432 tree_node *tree_duplicates = NULL;
1433 tree_node *tree_nonrecipients = NULL;
1434 tree_node *tree_unusable = NULL;
1435
1436 BOOL trusted_caller = FALSE;
1437 BOOL trusted_config = TRUE;
1438 gid_t *trusted_groups = NULL;
1439 uid_t *trusted_users = NULL;
1440 uschar *timezone_string = US TIMEZONE_DEFAULT;
1441
1442 uschar *unknown_login = NULL;
1443 uschar *unknown_username = NULL;
1444 uschar *untrusted_set_sender = NULL;
1445
1446 /* A regex for matching a "From_" line in an incoming message, in the form
1447
1448 From ph10 Fri Jan 5 12:35 GMT 1996
1449
1450 which the "mail" commands send to the MTA (undocumented, of course), or in
1451 the form
1452
1453 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1454
1455 which is apparently used by some UUCPs, despite it not being in RFC 976.
1456 Because of variations in time formats, just match up to the minutes. That
1457 should be sufficient. Examples have been seen of time fields like 12:1:03,
1458 so just require one digit for hours and minutes. The weekday is also absent
1459 in some forms. */
1460
1461 uschar *uucp_from_pattern = US
1462 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1463 "(?:" /* Non-extracting bracket */
1464 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1465 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1466 ")" /* End alternation */
1467 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1468
1469 uschar *uucp_from_sender = US"$1";
1470
1471 uschar *verify_mode = NULL;
1472 uschar *version_copyright =
1473 US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1474 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
1475 uschar *version_date = US"?";
1476 uschar *version_cnumber = US"????";
1477 uschar *version_string = US"?";
1478
1479 uschar *warn_message_file = NULL;
1480 int warning_count = 0;
1481 uschar *warnmsg_delay = NULL;
1482 uschar *warnmsg_recipients = NULL;
1483 BOOL write_rejectlog = TRUE;
1484
1485
1486 /* End of globals.c */
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