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Add tls_eccurve main config option. Bug 1397
[exim.git] / src / src / globals.c
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
3386088d 5/* Copyright (c) University of Cambridge 1995 - 2015 */
059ec3d9
PH		 6/* See the file NOTICE for conditions of use and distribution. */
7
8/* All the global variables are defined together in this one module, so
9that they are easy to find. */
10
11#include "exim.h"
12
13
059ec3d9
PH		 14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist optionlist_auths[] = {
6c512171
PH		 18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
6f123593
JH		 20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
059ec3d9
PH		 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))},
16ff981e
PH		 28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
059ec3d9
PH		 30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
38int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
52#endif
53
1a46a8c5
PH		 54#ifdef EXPAND_DLFUNC
55tree_node *dlobj_anchor = NULL;
56#endif
57
059ec3d9
PH		 58#ifdef LOOKUP_IBASE
59uschar *ibase_servers = NULL;
60#endif
61
62#ifdef LOOKUP_LDAP
bc19a55b
PP		 63uschar *eldap_ca_cert_dir = NULL;
64uschar *eldap_ca_cert_file = NULL;
65uschar *eldap_cert_file = NULL;
66uschar *eldap_cert_key = NULL;
67uschar *eldap_cipher_suite = NULL;
059ec3d9 68uschar *eldap_default_servers = NULL;
bc19a55b 69uschar *eldap_require_cert = NULL;
059ec3d9 70int eldap_version = -1;
bc19a55b 71BOOL eldap_start_tls = FALSE;
059ec3d9
PH		 72#endif
73
74#ifdef LOOKUP_MYSQL
75uschar *mysql_servers = NULL;
76#endif
77
78#ifdef LOOKUP_ORACLE
79uschar *oracle_servers = NULL;
80#endif
81
82#ifdef LOOKUP_PGSQL
83uschar *pgsql_servers = NULL;
84#endif
85
9bdd29ad
TL		 86#ifdef EXPERIMENTAL_REDIS
87uschar *redis_servers = NULL;
88#endif
89
31480e42
PH		 90#ifdef LOOKUP_SQLITE
91int sqlite_lock_timeout = 5;
92#endif
93
059ec3d9
PH		 94#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95BOOL move_frozen_messages = FALSE;
96#endif
97
98/* These variables are outside the #ifdef because it keeps the code less
99cluttered in several places (e.g. during logging) if we can always refer to
100them. Also, the tls_ variables are now always visible. */
101
817d9f57
JH		 102tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
85098ee7
JH		 106#ifdef EXPERIMENTAL_DANE
107 FALSE,/* dane_verified */
594706ea 108 0, /* tlsa_usage */
85098ee7 109#endif
817d9f57
JH		 110 NULL, /* tls_cipher */
111 FALSE,/* tls_on_connect */
112 NULL, /* tls_on_connect_ports */
9d1c15ef
JH		 113 NULL, /* tls_ourcert */
114 NULL, /* tls_peercert */
817d9f57 115 NULL, /* tls_peerdn */
44662487
JH		 116 NULL, /* tls_sni */
117 0 /* tls_ocsp */
817d9f57
JH		 118};
119tls_support tls_out = {
120 -1, /* tls_active */
121 0, /* tls_bits */
122 FALSE,/* tls_certificate_verified */
85098ee7
JH		 123#ifdef EXPERIMENTAL_DANE
124 FALSE,/* dane_verified */
594706ea 125 0, /* tlsa_usage */
85098ee7 126#endif
817d9f57
JH		 127 NULL, /* tls_cipher */
128 FALSE,/* tls_on_connect */
129 NULL, /* tls_on_connect_ports */
9d1c15ef
JH		 130 NULL, /* tls_ourcert */
131 NULL, /* tls_peercert */
817d9f57 132 NULL, /* tls_peerdn */
44662487
JH		 133 NULL, /* tls_sni */
134 0 /* tls_ocsp */
817d9f57
JH		 135};
136
6c1c3d1d
WB		 137uschar *dsn_envid = NULL;
138int dsn_ret = 0;
139const pcre *regex_DSN = NULL;
140BOOL smtp_use_dsn = FALSE;
141uschar *dsn_advertise_hosts = NULL;
059ec3d9
PH		 142
143#ifdef SUPPORT_TLS
e6060e2c 144BOOL gnutls_compat_mode = FALSE;
2519e60d 145BOOL gnutls_allow_auto_pkcs11 = FALSE;
83da1223
PH		 146uschar *gnutls_require_mac = NULL;
147uschar *gnutls_require_kx = NULL;
148uschar *gnutls_require_proto = NULL;
77bb000f 149uschar *openssl_options = NULL;
059ec3d9
PH		 150const pcre *regex_STARTTLS = NULL;
151uschar *tls_advertise_hosts = NULL; /* This is deliberate */
152uschar *tls_certificate = NULL;
153uschar *tls_crl = NULL;
3375e053
PP		 154/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
155that's the interop problem which has been observed: GnuTLS suggesting a higher
156bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
157int tls_dh_max_bits = 2236;
059ec3d9 158uschar *tls_dhparam = NULL;
10ca4f1c 159uschar *tls_eccurve = US"prime256v1";
f2de3a33 160#ifndef DISABLE_OCSP
3f7eeb86
PP		 161uschar *tls_ocsp_file = NULL;
162#endif
059ec3d9
PH		 163BOOL tls_offered = FALSE;
164uschar *tls_privatekey = NULL;
165BOOL tls_remember_esmtp = FALSE;
166uschar *tls_require_ciphers = NULL;
167uschar *tls_try_verify_hosts = NULL;
0e0f3f56 168uschar *tls_verify_certificates= US"system";
059ec3d9
PH		 169uschar *tls_verify_hosts = NULL;
170#endif
171
8ccd00b1 172#ifndef DISABLE_PRDR
fd98a5c6
JH		 173/* Per Recipient Data Response variables */
174BOOL prdr_enable = FALSE;
175BOOL prdr_requested = FALSE;
176const pcre *regex_PRDR = NULL;
177#endif
059ec3d9 178
7ade712c
JH		 179#ifdef EXPERIMENTAL_INTERNATIONAL
180const pcre *regex_UTF8 = NULL;
181#endif
182
059ec3d9
PH		 183/* Input-reading functions for messages, so we can use special ones for
184incoming TCP/IP. The defaults use stdin. We never need these for any
185stand-alone tests. */
186
187#ifndef STAND_ALONE
188int (*receive_getc)(void) = stdin_getc;
189int (*receive_ungetc)(int) = stdin_ungetc;
190int (*receive_feof)(void) = stdin_feof;
191int (*receive_ferror)(void) = stdin_ferror;
58eb016e 192BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
059ec3d9
PH		 193#endif
194
195
196/* List of per-address expansion variables for clearing and saving/restoring
197when verifying one address while routing/verifying another. We have to have
198the size explicit, because it is referenced from more than one module. */
199
55414b25
JH		 200const 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,
059ec3d9
PH		 218 NULL };
219
220int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
221
222/* General global variables */
223
71fafd95 224header_line *acl_added_headers = NULL;
059ec3d9 225tree_node *acl_anchor = NULL;
525239c1
JH		 226uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
227 NULL, NULL, NULL, NULL};
228int acl_narg = 0;
8f128379 229
059ec3d9 230uschar *acl_not_smtp = NULL;
54cdb463
PH		 231#ifdef WITH_CONTENT_SCAN
232uschar *acl_not_smtp_mime = NULL;
233#endif
45b91596 234uschar *acl_not_smtp_start = NULL;
e7568d51 235uschar *acl_removed_headers = NULL;
059ec3d9
PH		 236uschar *acl_smtp_auth = NULL;
237uschar *acl_smtp_connect = NULL;
238uschar *acl_smtp_data = NULL;
8ccd00b1 239#ifndef DISABLE_PRDR
ad07e9ad 240uschar *acl_smtp_data_prdr = US"accept";
fd98a5c6 241#endif
80a47a2c
TK		 242#ifndef DISABLE_DKIM
243uschar *acl_smtp_dkim = NULL;
244#endif
059ec3d9
PH		 245uschar *acl_smtp_etrn = NULL;
246uschar *acl_smtp_expn = NULL;
247uschar *acl_smtp_helo = NULL;
248uschar *acl_smtp_mail = NULL;
249uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 250#ifdef WITH_CONTENT_SCAN
251uschar *acl_smtp_mime = NULL;
252#endif
8f128379 253uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 254uschar *acl_smtp_predata = NULL;
255uschar *acl_smtp_quit = NULL;
256uschar *acl_smtp_rcpt = NULL;
257uschar *acl_smtp_starttls = NULL;
258uschar *acl_smtp_vrfy = NULL;
8f128379 259
059ec3d9 260BOOL acl_temp_details = FALSE;
38a0a95f
PH		 261tree_node *acl_var_c = NULL;
262tree_node *acl_var_m = NULL;
059ec3d9 263uschar *acl_verify_message = NULL;
059ec3d9
PH		 264string_item *acl_warn_logged = NULL;
265
266/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
267error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
268
269uschar *acl_wherenames[] = { US"RCPT",
270 US"MAIL",
271 US"PREDATA",
8523533c 272 US"MIME",
80a47a2c 273 US"DKIM",
059ec3d9 274 US"DATA",
8ccd00b1 275#ifndef DISABLE_PRDR
fd98a5c6
JH		 276 US"PRDR",
277#endif
059ec3d9
PH		 278 US"non-SMTP",
279 US"AUTH",
280 US"connection",
281 US"ETRN",
282 US"EXPN",
283 US"EHLO or HELO",
284 US"MAILAUTH",
45b91596 285 US"non-SMTP-start",
8f128379 286 US"NOTQUIT",
059ec3d9
PH		 287 US"QUIT",
288 US"STARTTLS",
723c72e6 289 US"VRFY",
faa05a93
JH		 290 US"delivery",
291 US"unknown"
059ec3d9
PH		 292 };
293
a5bd321b
PH		 294uschar *acl_wherecodes[] = { US"550", /* RCPT */
295 US"550", /* MAIL */
296 US"550", /* PREDATA */
297 US"550", /* MIME */
80a47a2c 298 US"550", /* DKIM */
a5bd321b 299 US"550", /* DATA */
8ccd00b1 300#ifndef DISABLE_PRDR
fd98a5c6
JH		 301 US"550", /* RCPT PRDR */
302#endif
a5bd321b
PH		 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 */
8f128379 311 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 312 US"0", /* QUIT; not relevant */
313 US"550", /* STARTTLS */
723c72e6 314 US"252", /* VRFY */
faa05a93 315 US"0", /* delivery; not relevant */
723c72e6 316 US"0" /* unknown; not relevant */
059ec3d9 317 };
8e669ac1 318
69358f02
PH		 319BOOL active_local_from_check = FALSE;
320BOOL active_local_sender_retain = FALSE;
3c0a92dc 321int body_8bitmime = 0;
9cbad13b 322BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
059ec3d9
PH		 323address_item *addr_duplicate = NULL;
324
325address_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 */
9d1c15ef
JH		 359 NULL, /* ourcert */
360 NULL, /* peercert */
059ec3d9 361 NULL, /* peerdn */
018058b2 362 OCSP_NOT_REQ, /* ocsp */
059ec3d9 363 #endif
018c60d7
JH		 364 NULL, /* authenticator */
365 NULL, /* auth_id */
366 NULL, /* auth_sndr */
6c1c3d1d
WB		 367 NULL, /* dsn_orcpt */
368 0, /* dsn_flags */
369 0, /* dsn_aware */
059ec3d9
PH		 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 */
384152a6
TK		 389#ifdef EXPERIMENTAL_SRS
390 NULL, /* srs_sender */
7ade712c
JH		 391#endif
392#ifdef EXPERIMENTAL_INTERNATIONAL
393 FALSE, /* utf8 */
384152a6 394#endif
059ec3d9
PH		 395 }
396};
397
398uschar *address_file = NULL;
399uschar *address_pipe = NULL;
400BOOL address_test_mode = FALSE;
401tree_node *addresslist_anchor = NULL;
402int addresslist_count = 0;
403gid_t *admin_groups = NULL;
404BOOL admin_user = FALSE;
c46782ef 405BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH		 406BOOL allow_domain_literals = FALSE;
407BOOL allow_mx_to_ip = FALSE;
408BOOL allow_unqualified_recipient = TRUE; /* For local messages */
409BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
410BOOL allow_utf8_domains = FALSE;
2d07a215 411uschar *authenticated_fail_id = NULL;
059ec3d9
PH		 412uschar *authenticated_id = NULL;
413uschar *authenticated_sender = NULL;
414BOOL authentication_failed = FALSE;
415auth_instance *auths = NULL;
416uschar *auth_advertise_hosts = US"*";
417auth_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 */
6c512171 424 NULL, /* client_condition */
059ec3d9
PH		 425 NULL, /* public_name */
426 NULL, /* set_id */
c8e2fc1e 427 NULL, /* set_client_id */
059ec3d9
PH		 428 NULL, /* server_mail_auth_condition */
429 NULL, /* server_debug_string */
16ff981e 430 NULL, /* server_condition */
059ec3d9
PH		 431 FALSE, /* client */
432 FALSE, /* server */
433 FALSE /* advertised */
434};
435
436uschar *auth_defer_msg = US"reason not recorded";
437uschar *auth_defer_user_msg = US"";
f78eb7c6 438uschar *auth_vars[AUTH_VARS];
059ec3d9 439int auto_thaw = 0;
8523533c 440#ifdef WITH_CONTENT_SCAN
9e949f00 441BOOL av_failed = FALSE;
8523533c
TK		 442uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
443#endif
059ec3d9
PH		 444
445BOOL background_daemon = TRUE;
9a799bc0
PH		 446
447#if BASE_62 == 62
059ec3d9
PH		 448uschar *base62_chars=
449 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 450#else
451uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
452#endif
453
059ec3d9
PH		 454uschar *bi_command = NULL;
455uschar *big_buffer = NULL;
456int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 457#ifdef EXPERIMENTAL_BRIGHTMAIL
458uschar *bmi_alt_location = NULL;
459uschar *bmi_base64_tracker_verdict = NULL;
460uschar *bmi_base64_verdict = NULL;
461uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
462int bmi_deliver = 1;
463int bmi_run = 0;
464uschar *bmi_verdicts = NULL;
465#endif
059ec3d9
PH		 466int body_linecount = 0;
467int body_zerocount = 0;
468uschar *bounce_message_file = NULL;
469uschar *bounce_message_text = NULL;
470uschar *bounce_recipient = NULL;
471BOOL bounce_return_body = TRUE;
472BOOL bounce_return_message = TRUE;
473int bounce_return_size_limit = 100*1024;
474uschar *bounce_sender_authentication = NULL;
475int bsmtp_transaction_linecount = 0;
476
477int callout_cache_domain_positive_expire = 7*24*60*60;
478int callout_cache_domain_negative_expire = 3*60*60;
479int callout_cache_positive_expire = 24*60*60;
480int callout_cache_negative_expire = 2*60*60;
481uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 482uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
059ec3d9
PH		 483int check_log_inodes = 0;
484int check_log_space = 0;
a0d6ba8a 485BOOL check_rfc2047_length = TRUE;
059ec3d9
PH		 486int check_spool_inodes = 0;
487int check_spool_space = 0;
6f123593
JH		 488uschar *client_authenticator = NULL;
489uschar *client_authenticated_id = NULL;
c8e2fc1e 490uschar *client_authenticated_sender = NULL;
059ec3d9
PH		 491int clmacro_count = 0;
492uschar *clmacros[MAX_CLMACROS];
493BOOL config_changed = FALSE;
494FILE *config_file = NULL;
495uschar *config_filename = NULL;
496int config_lineno = 0;
35edf2ff
PH		 497#ifdef CONFIGURE_GROUP
498gid_t config_gid = CONFIGURE_GROUP;
499#endif
059ec3d9
PH		 500uschar *config_main_filelist = US CONFIGURE_FILE
501 "\0<-----------Space to patch configure_filename->";
502uschar *config_main_filename = NULL;
98b8312f 503uschar *config_main_directory = NULL;
059ec3d9
PH		 504
505#ifdef CONFIGURE_OWNER
506uid_t config_uid = CONFIGURE_OWNER;
507#endif
508
509int connection_max_messages= -1;
510uschar *continue_hostname = NULL;
511uschar *continue_host_address = NULL;
512BOOL continue_more = FALSE;
513int continue_sequence = 1;
514uschar *continue_transport = NULL;
515
e5a9dba6 516uschar *csa_status = NULL;
5032d1cf
JH		 517cut_t cutthrough = {
518 FALSE, /* delivery: when to attempt */
519 -1, /* fd: open connection */
520 0, /* nrcpt: number of addresses */
521};
e5a9dba6 522
059ec3d9
PH		 523BOOL daemon_listen = FALSE;
524uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 525int daemon_startup_retries = 9;
526int daemon_startup_sleep = 30;
6a8f9482
TK		 527
528#ifdef EXPERIMENTAL_DCC
529BOOL dcc_direct_add_header = FALSE;
530uschar *dcc_header = NULL;
531uschar *dcc_result = NULL;
532uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
533uschar *dccifd_options = US"header";
534#endif
535
3d235903 536BOOL debug_daemon = FALSE;
059ec3d9
PH		 537int debug_fd = -1;
538FILE *debug_file = NULL;
539bit_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};
572int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
573unsigned int debug_selector = 0;
574int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 575uschar *delay_warning_condition=
576 US"${if or {"
e85a7ad5 577 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 578 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
579 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
580 "} {no}{yes}}";
059ec3d9
PH		 581BOOL delivery_date_remove = TRUE;
582uschar *deliver_address_data = NULL;
583int deliver_datafile = -1;
55414b25 584const uschar *deliver_domain = NULL;
059ec3d9 585uschar *deliver_domain_data = NULL;
55414b25
JH		 586const uschar *deliver_domain_orig = NULL;
587const uschar *deliver_domain_parent = NULL;
059ec3d9
PH		 588BOOL deliver_drop_privilege = FALSE;
589BOOL deliver_firsttime = FALSE;
590BOOL deliver_force = FALSE;
591BOOL deliver_freeze = FALSE;
19050083 592time_t deliver_frozen_at = 0;
059ec3d9 593uschar *deliver_home = NULL;
55414b25
JH		 594const uschar *deliver_host = NULL;
595const uschar *deliver_host_address = NULL;
a7538db1 596int deliver_host_port = 0;
059ec3d9
PH		 597uschar *deliver_in_buffer = NULL;
598ino_t deliver_inode = 0;
599uschar *deliver_localpart = NULL;
600uschar *deliver_localpart_data = NULL;
601uschar *deliver_localpart_orig = NULL;
602uschar *deliver_localpart_parent = NULL;
603uschar *deliver_localpart_prefix = NULL;
604uschar *deliver_localpart_suffix = NULL;
605BOOL deliver_force_thaw = FALSE;
606BOOL deliver_manual_thaw = FALSE;
607uschar *deliver_out_buffer = NULL;
608int deliver_queue_load_max = -1;
609address_item *deliver_recipients = NULL;
610uschar *deliver_selectstring = NULL;
611BOOL deliver_selectstring_regex = FALSE;
612uschar *deliver_selectstring_sender = NULL;
613BOOL deliver_selectstring_sender_regex = FALSE;
8523533c
TK		 614#ifdef WITH_OLD_DEMIME
615int demime_errorlevel = 0;
616int demime_ok = 0;
617uschar *demime_reason = NULL;
618#endif
4c590bd1 619BOOL disable_callout_flush = FALSE;
047bdd8c 620BOOL disable_delay_flush = FALSE;
54fc8428
PH		 621#ifdef ENABLE_DISABLE_FSYNC
622BOOL disable_fsync = FALSE;
623#endif
7e66e54d 624BOOL disable_ipv6 = FALSE;
059ec3d9
PH		 625BOOL disable_logging = FALSE;
626
80a47a2c 627#ifndef DISABLE_DKIM
2df588c9 628uschar *dkim_cur_signer = NULL;
9e5d6b55 629uschar *dkim_signers = NULL;
f7572e5a
TK		 630uschar *dkim_signing_domain = NULL;
631uschar *dkim_signing_selector = NULL;
9e5d6b55 632uschar *dkim_verify_signers = US"$dkim_signers";
80a47a2c
TK		 633BOOL dkim_collect_input = FALSE;
634BOOL dkim_disable_verify = FALSE;
f7572e5a 635#endif
4840604e 636#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 637BOOL dmarc_has_been_checked = FALSE;
4840604e 638uschar *dmarc_ar_header = NULL;
8c8b8274 639uschar *dmarc_domain_policy = NULL;
4840604e
TL		 640uschar *dmarc_forensic_sender = NULL;
641uschar *dmarc_history_file = NULL;
642uschar *dmarc_status = NULL;
643uschar *dmarc_status_text = NULL;
644uschar *dmarc_tld_file = NULL;
645uschar *dmarc_used_domain = NULL;
646BOOL dmarc_disable_verify = FALSE;
647BOOL dmarc_enable_forensic = FALSE;
648#endif
f7572e5a 649
059ec3d9 650uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH		 651int dns_csa_search_limit = 5;
652BOOL dns_csa_use_reverse = TRUE;
e682570f
TL		 653#ifdef EXPERIMENTAL_DANE
654int dns_dane_ok = -1;
655#endif
059ec3d9
PH		 656uschar *dns_ipv4_lookup = NULL;
657int dns_retrans = 0;
658int dns_retry = 0;
0fbd9bff 659int dns_dnssec_ok = -1; /* <0 = not coerced */
e97d1f08 660int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 661uschar *dnslist_domain = NULL;
93655c46 662uschar *dnslist_matched = NULL;
059ec3d9
PH		 663uschar *dnslist_text = NULL;
664uschar *dnslist_value = NULL;
665tree_node *domainlist_anchor = NULL;
666int domainlist_count = 0;
667BOOL dont_deliver = FALSE;
668BOOL dot_ends = TRUE;
669BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 670uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH		 671
672BOOL enable_dollar_recipients = FALSE;
673BOOL envelope_to_remove = TRUE;
674int errno_quota = ERRNO_QUOTA;
675uschar *errors_copy = NULL;
676int error_handling = ERRORS_SENDER;
677uschar *errors_reply_to = NULL;
678int errors_sender_rc = EXIT_FAILURE;
723fe533
JH		 679#ifdef EXPERIMENTAL_EVENT
680uschar *event_action = NULL; /* expansion for delivery events */
681uschar *event_data = NULL; /* auxilary data variable for event */
682int event_defer_errno = 0;
55414b25 683const uschar *event_name = NULL; /* event name variable */
723fe533
JH		 684#endif
685
059ec3d9
PH		 686
687gid_t exim_gid = EXIM_GID;
688BOOL exim_gid_set = TRUE; /* This gid is always set */
689uschar *exim_path = US BIN_DIRECTORY "/exim"
690 "\0<---------------Space to patch exim_path->";
691uid_t exim_uid = EXIM_UID;
692BOOL exim_uid_set = TRUE; /* This uid is always set */
693int expand_forbid = 0;
694int expand_nlength[EXPAND_MAXN+1];
695int expand_nmax = -1;
696uschar *expand_nstring[EXPAND_MAXN+1];
697BOOL expand_string_forcedfail = FALSE;
698uschar *expand_string_message;
699BOOL extract_addresses_remove_arguments = TRUE;
700uschar *extra_local_interfaces = NULL;
701
29aba418 702int fake_response = OK;
0e22dfd1
PH		 703uschar *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).";
059ec3d9
PH		 707int filter_n[FILTER_VARIABLE_COUNT];
708BOOL filter_running = FALSE;
709int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 710int filter_test = FTEST_NONE;
711uschar *filter_test_sfile = NULL;
712uschar *filter_test_ufile = NULL;
059ec3d9
PH		 713uschar *filter_thisaddress = NULL;
714int finduser_retries = 0;
8523533c
TK		 715#ifdef WITH_OLD_DEMIME
716uschar *found_extension = NULL;
717#endif
059ec3d9
PH		 718uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
719uschar *freeze_tell = NULL;
6a3f1455 720uschar *freeze_tell_config = NULL;
059ec3d9
PH		 721uschar *fudged_queue_times = US"";
722
723uschar *gecos_name = NULL;
724uschar *gecos_pattern = NULL;
725rewrite_rule *global_rewrite_rules = NULL;
726
727uschar *headers_charset = US HEADERS_CHARSET;
728int header_insert_maxlen = 64 * 1024;
729header_line *header_last = NULL;
730header_line *header_list = NULL;
731int header_maxsize = HEADER_MAXSIZE;
732int header_line_maxsize = 0;
733
734header_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
750int header_names_size = sizeof(header_names)/sizeof(header_name);
751
752BOOL header_rewritten = FALSE;
753uschar *helo_accept_junk_hosts = NULL;
754uschar *helo_allow_chars = US"";
755uschar *helo_lookup_domains = US"@ : @[]";
756uschar *helo_try_verify_hosts = NULL;
757BOOL helo_verified = FALSE;
d7b47fd0 758BOOL helo_verify_failed = FALSE;
059ec3d9 759uschar *helo_verify_hosts = NULL;
1ba28e2b 760const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH		 761uschar *hold_domains = NULL;
762BOOL host_checking = FALSE;
763BOOL host_checking_callout = FALSE;
764uschar *host_data = NULL;
765BOOL host_find_failed_syntax= FALSE;
766uschar *host_lookup = NULL;
b08b24c8 767BOOL host_lookup_deferred = FALSE;
059ec3d9
PH		 768BOOL host_lookup_failed = FALSE;
769uschar *host_lookup_order = US"bydns:byaddr";
770uschar *host_lookup_msg = US"";
771int host_number = 0;
772uschar *host_number_string = NULL;
773uschar *host_reject_connection = NULL;
774tree_node *hostlist_anchor = NULL;
775int hostlist_count = 0;
776uschar *hosts_treat_as_local = NULL;
777uschar *hosts_connection_nolog = NULL;
778
779int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
780BOOL ignore_fromline_local = FALSE;
781uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP		 782BOOL inetd_wait_mode = FALSE;
783int inetd_wait_timeout = -1;
059ec3d9
PH		 784uschar *interface_address = NULL;
785int interface_port = -1;
786BOOL is_inetd = FALSE;
0ce9abe6 787uschar *iterate_item = NULL;
059ec3d9
PH		 788
789int journal_fd = -1;
790
791int keep_malformed = 4*24*60*60; /* 4 days */
792
793uschar *eldap_dn = NULL;
794int load_average = -2;
795BOOL local_error_message = FALSE;
796BOOL local_from_check = TRUE;
797uschar *local_from_prefix = NULL;
798uschar *local_from_suffix = NULL;
799
800#if HAVE_IPV6
801uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
802#else
803uschar *local_interfaces = US"0.0.0.0";
804#endif
805
806uschar *local_scan_data = NULL;
807int local_scan_timeout = 5*60;
808BOOL local_sender_retain = FALSE;
809gid_t local_user_gid = (gid_t)(-1);
810uid_t local_user_uid = (uid_t)(-1);
811
812tree_node *localpartlist_anchor= NULL;
813int localpartlist_count = 0;
814uschar *log_buffer = NULL;
815unsigned int log_extra_selector = LX_default;
816uschar *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
820are the ones that get put into log_write_selector. They can be used in calls to
821log_write() to test for the bit. The options with LX_xxx identifiers have
3f0945ff 822values greater than 0x80000000 and are put into log_extra_selector (without the
059ec3d9
PH		 823top bit). They are never used in calls to log_write(), but are tested
824independently. This separation became necessary when the number of log
825selectors was getting close to filling a 32-bit word. */
826
f3f065bb
PH		 827/* Note that this list must be in alphabetical order. */
828
059ec3d9 829bit_table log_options[] = {
3c0a92dc 830 { US"8bitmime", LX_8bitmime },
49826d12 831 { US"acl_warn_skipped", LX_acl_warn_skipped },
059ec3d9
PH		 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 },
f3f065bb 848 { US"pid", LX_pid },
a3c86431
TL		 849#ifdef EXPERIMENTAL_PROXY
850 { US"proxy", LX_proxy },
851#endif
059ec3d9
PH		 852 { US"queue_run", L_queue_run },
853 { US"queue_time", LX_queue_time },
2ac0e484 854 { US"queue_time_overall", LX_queue_time_overall },
059ec3d9
PH		 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 },
278c6e6c 862 { US"sender_verify_fail", LX_sender_verify_fail },
059ec3d9
PH		 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 },
c8e2fc1e 868 { US"smtp_mailauth", LX_smtp_mailauth },
b4ed4da0 869 { US"smtp_no_mail", LX_smtp_no_mail },
059ec3d9
PH		 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 },
1130bfb0 875 { US"tls_peerdn", LX_tls_peerdn },
3f0945ff 876 { US"tls_sni", LX_tls_sni },
1130bfb0 877 { US"unknown_in_list", LX_unknown_in_list }
059ec3d9
PH		 878};
879
880int log_options_count = sizeof(log_options)/sizeof(bit_table);
6ea85e9a 881int log_reject_target = 0;
059ec3d9
PH		 882uschar *log_selector_string = NULL;
883FILE *log_stderr = NULL;
884BOOL log_testing_mode = FALSE;
885BOOL log_timezone = FALSE;
6ea85e9a 886unsigned int log_write_selector= L_default;
059ec3d9 887uschar *login_sender_address = NULL;
4e0983dc 888uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH		 889int lookup_open_max = 25;
890uschar *lookup_value = NULL;
891
892macro_item *macros = NULL;
893uschar *mailstore_basename = NULL;
8523533c
TK		 894#ifdef WITH_CONTENT_SCAN
895uschar *malware_name = NULL; /* Virus Name */
896#endif
d677b2f2 897int max_received_linelength= 0;
059ec3d9
PH		 898int max_username_length = 0;
899int message_age = 0;
900uschar *message_body = NULL;
901uschar *message_body_end = NULL;
ddea74fa 902BOOL message_body_newlines = FALSE;
059ec3d9
PH		 903int message_body_size = 0;
904int message_body_visible = 500;
905int message_ended = END_NOTSTARTED;
906uschar *message_headers = NULL;
907uschar *message_id;
908uschar *message_id_domain = NULL;
909uschar *message_id_text = NULL;
910struct timeval message_id_tv = { 0, 0 };
911uschar message_id_option[MESSAGE_ID_LENGTH + 3];
912uschar *message_id_external;
913int message_linecount = 0;
914BOOL message_logs = TRUE;
915int message_size = 0;
916uschar *message_size_limit = US"50M";
eb02f5df
JH		 917#ifdef EXPERIMENTAL_INTERNATIONAL
918BOOL message_smtputf8 = FALSE;
3c8b3577 919int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 920#endif
059ec3d9
PH		 921uschar message_subdir[2] = { 0, 0 };
922uschar *message_reference = NULL;
8523533c
TK		 923
924/* MIME ACL expandables */
925#ifdef WITH_CONTENT_SCAN
f7b63901 926int mime_anomaly_level = 0;
1ba28e2b 927const uschar *mime_anomaly_text = NULL;
8523533c
TK		 928uschar *mime_boundary = NULL;
929uschar *mime_charset = NULL;
930uschar *mime_content_description = NULL;
931uschar *mime_content_disposition = NULL;
932uschar *mime_content_id = NULL;
933unsigned int mime_content_size = 0;
934uschar *mime_content_transfer_encoding = NULL;
935uschar *mime_content_type = NULL;
936uschar *mime_decoded_filename = NULL;
937uschar *mime_filename = NULL;
938int mime_is_multipart = 0;
939int mime_is_coverletter = 0;
940int mime_is_rfc822 = 0;
941int mime_part_count = -1;
942#endif
943
059ec3d9
PH		 944BOOL mua_wrapper = FALSE;
945
946uid_t *never_users = NULL;
8523533c
TK		 947#ifdef WITH_CONTENT_SCAN
948BOOL no_mbox_unspool = FALSE;
949#endif
059ec3d9
PH		 950BOOL no_multiline_responses = FALSE;
951
952uid_t original_euid;
953gid_t originator_gid;
954uschar *originator_login = NULL;
955uschar *originator_name = NULL;
956uid_t originator_uid;
957uschar *override_local_interfaces = NULL;
958uschar *override_pid_file_path = NULL;
959
960BOOL parse_allow_group = FALSE;
961BOOL parse_found_group = FALSE;
962uschar *percent_hack_domains = NULL;
963uschar *pid_file_path = US PID_FILE_PATH
964 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 965BOOL pipelining_enable = TRUE;
059ec3d9
PH		 966uschar *pipelining_advertise_hosts = US"*";
967BOOL preserve_message_logs = FALSE;
968uschar *primary_hostname = NULL;
969BOOL print_topbitchars = FALSE;
970uschar process_info[PROCESS_INFO_SIZE];
921b12ca 971int process_info_len = 0;
059ec3d9
PH		 972uschar *process_log_path = NULL;
973BOOL prod_requires_admin = TRUE;
a3c86431
TL		 974
975#ifdef EXPERIMENTAL_PROXY
a3bddaa8
TL		 976uschar *proxy_host_address = US"";
977int proxy_host_port = 0;
a3c86431
TL		 978uschar *proxy_required_hosts = US"";
979BOOL proxy_session = FALSE;
980BOOL proxy_session_failed = FALSE;
eb57651e
TL		 981uschar *proxy_target_address = US"";
982int proxy_target_port = 0;
a3c86431
TL		 983#endif
984
fffda43a
TK		 985uschar *prvscheck_address = NULL;
986uschar *prvscheck_keynum = NULL;
987uschar *prvscheck_result = NULL;
988
059ec3d9 989
55414b25 990const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH		 991uschar *qualify_domain_sender = NULL;
992BOOL queue_2stage = FALSE;
993uschar *queue_domains = NULL;
994int queue_interval = -1;
995BOOL queue_list_requires_admin = TRUE;
996BOOL queue_only = FALSE;
997uschar *queue_only_file = NULL;
998int queue_only_load = -1;
8669f003 999BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 1000BOOL queue_only_override = TRUE;
1001BOOL queue_only_policy = FALSE;
1002BOOL queue_run_first_delivery = FALSE;
1003BOOL queue_run_force = FALSE;
1004BOOL queue_run_in_order = FALSE;
1005BOOL queue_run_local = FALSE;
1006int queue_run_max = 5;
1007pid_t queue_run_pid = (pid_t)0;
1008int queue_run_pipe = -1;
1009BOOL queue_running = FALSE;
1010BOOL queue_smtp = FALSE;
1011uschar *queue_smtp_domains = NULL;
1012
1013unsigned int random_seed = 0;
fe0dab11 1014tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 1015tree_node *ratelimiters_conn = NULL;
1016tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 1017uschar *raw_active_hostname = NULL;
1018uschar *raw_sender = NULL;
1019uschar **raw_recipients = NULL;
1020int raw_recipients_count = 0;
1021
1022int rcpt_count = 0;
1023int rcpt_fail_count = 0;
1024int rcpt_defer_count = 0;
1025gid_t real_gid;
1026uid_t real_uid;
1027BOOL really_exim = TRUE;
1028BOOL receive_call_bombout = FALSE;
1029int receive_linecount = 0;
1030int receive_messagecount = 0;
1031int receive_timeout = 0;
1032int received_count = 0;
1033uschar *received_for = NULL;
1034
1035/* This is the default text for Received headers generated by Exim. The
1036date will be automatically added on the end. */
1037
1038uschar *received_header_text = US
1039 "Received: "
1040 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1041 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 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 $version_number)\n\t"
3e46c1aa 1049 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1050 "id $message_exim_id"
059ec3d9
PH		 1051 "${if def:received_for {\n\tfor $received_for}}"
1052 "\0<---------------Space to patch received_header_text->";
1053
1054int received_headers_max = 30;
1055uschar *received_protocol = NULL;
1056int received_time = 0;
1057uschar *recipient_data = NULL;
1058uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1059uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 1060int recipients_count = 0;
1061BOOL recipients_discarded = FALSE;
1062recipient_item *recipients_list = NULL;
1063int recipients_list_max = 0;
1064int recipients_max = 0;
1065BOOL recipients_max_reject = FALSE;
1066const pcre *regex_AUTH = NULL;
1067const pcre *regex_check_dns_names = NULL;
1068const pcre *regex_From = NULL;
f1513293 1069const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1070const pcre *regex_PIPELINING = NULL;
1071const pcre *regex_SIZE = NULL;
a5bd321b 1072const pcre *regex_smtp_code = NULL;
059ec3d9 1073const pcre *regex_ismsgid = NULL;
a7cbbf50
PP		 1074#ifdef WHITELIST_D_MACROS
1075const pcre *regex_whitelisted_macro = NULL;
1076#endif
8523533c
TK		 1077#ifdef WITH_CONTENT_SCAN
1078uschar *regex_match_string = NULL;
1079#endif
059ec3d9
PH		 1080int remote_delivery_count = 0;
1081int remote_max_parallel = 2;
1082uschar *remote_sort_domains = NULL;
1083int retry_data_expire = 7*24*60*60;
1084int retry_interval_max = 24*60*60;
1085int retry_maximum_timeout = 0; /* set from retry config */
1086retry_config *retries = NULL;
1087uschar *return_path = NULL;
1088BOOL return_path_remove = TRUE;
1089int rewrite_existflags = 0;
f926e272
JH		 1090uschar *rfc1413_hosts = US"@[]";
1091int rfc1413_query_timeout = 0;
059ec3d9 1092/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1093uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1094uid_t root_uid = ROOT_UID;
1095
1096router_instance *routers = NULL;
1097router_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 */
8523533c
TK		 1105#ifdef EXPERIMENTAL_BRIGHTMAIL
1106 NULL, /* bmi_rule */
8e669ac1 1107#endif
059ec3d9
PH		 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 */
8523533c
TK		 1136#ifdef EXPERIMENTAL_BRIGHTMAIL
1137 FALSE, /* bmi_deliver_alternate */
1138 FALSE, /* bmi_deliver_default */
1139 FALSE, /* bmi_dont_deliver */
1140#endif
059ec3d9
PH		 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 */
6c1c3d1d 1163 FALSE, /* dsn_lasthop */
059ec3d9
PH		 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 */
99c1bb4e
HSHR		 1172 NULL, /* redirect_router */
1173
0539a19d 1174 { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH		 1175};
1176
181d9bf8
JH		 1177uschar *router_name = NULL;
1178
059ec3d9
PH		 1179ip_address_item *running_interfaces = NULL;
1180BOOL running_in_test_harness = FALSE;
1181
1182/* This is a weird one. The following string gets patched in the binary by the
1183script that sets up a copy of Exim for running in the test harness. It seems
1184that compilers are now clever, and share constant strings if they can.
1185Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1186make use of the end of this string in order to save space. So the patching then
8669f003 1187wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1188onto the end of the string. */
1189
1190uschar *running_status = US">>>running<<<" "\0EXTRA";
1191
1192int runrc = 0;
1193
1194uschar *search_error_message = NULL;
1195BOOL search_find_defer = FALSE;
1196uschar *self_hostname = NULL;
1197uschar *sender_address = NULL;
1198unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1199uschar *sender_address_data = NULL;
059ec3d9
PH		 1200BOOL sender_address_forced = FALSE;
1201uschar *sender_address_unrewritten = NULL;
1202uschar *sender_data = NULL;
1203unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1204uschar *sender_fullhost = NULL;
1705dd20 1205BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH		 1206uschar *sender_helo_name = NULL;
1207uschar **sender_host_aliases = &no_aliases;
1208uschar *sender_host_address = NULL;
1209uschar *sender_host_authenticated = NULL;
1210unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1211BOOL sender_host_dnssec = FALSE;
059ec3d9
PH		 1212uschar *sender_host_name = NULL;
1213int sender_host_port = 0;
1214BOOL sender_host_notsocket = FALSE;
1215BOOL sender_host_unknown = FALSE;
1216uschar *sender_ident = NULL;
1217BOOL sender_local = FALSE;
2fe1a124 1218BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1219uschar *sender_rate = NULL;
1220uschar *sender_rate_limit = NULL;
1221uschar *sender_rate_period = NULL;
059ec3d9
PH		 1222uschar *sender_rcvhost = NULL;
1223BOOL sender_set_untrusted = FALSE;
1224uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1225uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1226address_item *sender_verified_list = NULL;
1227address_item *sender_verified_failed = NULL;
1228int sender_verified_rc = -1;
1229BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1230uschar *sending_ip_address = NULL;
1231int sending_port = -1;
cd59ab18 1232SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1233uschar **sighup_argv = NULL;
846430d9 1234int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH		 1235int smtp_accept_count = 0;
1236BOOL smtp_accept_keepalive = TRUE;
1237int smtp_accept_max = 20;
1238int smtp_accept_max_nonmail= 10;
1239uschar *smtp_accept_max_nonmail_hosts = US"*";
1240int smtp_accept_max_per_connection = 1000;
1241uschar *smtp_accept_max_per_host = NULL;
1242int smtp_accept_queue = 0;
1243int smtp_accept_queue_per_connection = 10;
1244int smtp_accept_reserve = 0;
1245uschar *smtp_active_hostname = NULL;
1246BOOL smtp_authenticated = FALSE;
1f5b4c3d 1247uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1248 "Exim $version_number $tod_full"
1249 "\0<---------------Space to patch smtp_banner->";
1250BOOL smtp_batched_input = FALSE;
1251BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1252int smtp_ch_index = 0;
3ee512ff
PH		 1253uschar *smtp_cmd_argument = NULL;
1254uschar *smtp_cmd_buffer = NULL;
b4ed4da0
PH		 1255time_t smtp_connection_start = 0;
1256uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1257int smtp_connect_backlog = 20;
1258double smtp_delay_mail = 0.0;
1259double smtp_delay_rcpt = 0.0;
1260BOOL smtp_enforce_sync = TRUE;
1261FILE *smtp_in = NULL;
1262BOOL smtp_input = FALSE;
1263int smtp_load_reserve = -1;
1264int smtp_mailcmd_count = 0;
1265FILE *smtp_out = NULL;
1266uschar *smtp_etrn_command = NULL;
1267BOOL smtp_etrn_serialize = TRUE;
1268int smtp_max_synprot_errors= 3;
1269int smtp_max_unknown_commands = 3;
8f128379 1270uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1271uschar *smtp_ratelimit_hosts = NULL;
1272uschar *smtp_ratelimit_mail = NULL;
1273uschar *smtp_ratelimit_rcpt = NULL;
1274uschar *smtp_read_error = US"";
1275int smtp_receive_timeout = 5*60;
1ad6489e 1276uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH		 1277uschar *smtp_reserve_hosts = NULL;
1278BOOL smtp_return_error_details = FALSE;
1279int smtp_rlm_base = 0;
1280double smtp_rlm_factor = 0.0;
1281int smtp_rlm_limit = 0;
1282int smtp_rlm_threshold = INT_MAX;
1283int smtp_rlr_base = 0;
1284double smtp_rlr_factor = 0.0;
1285int smtp_rlr_limit = 0;
1286int smtp_rlr_threshold = INT_MAX;
1287BOOL smtp_use_pipelining = FALSE;
1288BOOL smtp_use_size = FALSE;
3d1451ea 1289#ifdef EXPERIMENTAL_INTERNATIONAL
9d4319df 1290uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1291#endif
8523533c
TK		 1292
1293#ifdef WITH_CONTENT_SCAN
1294uschar *spamd_address = US"127.0.0.1 783";
1295uschar *spam_bar = NULL;
1296uschar *spam_report = NULL;
c5f280e2 1297uschar *spam_action = NULL;
8523533c
TK		 1298uschar *spam_score = NULL;
1299uschar *spam_score_int = NULL;
1300#endif
1301#ifdef EXPERIMENTAL_SPF
65a7d8c3 1302uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1303uschar *spf_header_comment = NULL;
1304uschar *spf_received = NULL;
1305uschar *spf_result = NULL;
1306uschar *spf_smtp_comment = NULL;
1307#endif
1308
059ec3d9
PH		 1309BOOL split_spool_directory = FALSE;
1310uschar *spool_directory = US SPOOL_DIRECTORY
1311 "\0<--------------Space to patch spool_directory->";
8523533c
TK		 1312#ifdef EXPERIMENTAL_SRS
1313uschar *srs_config = NULL;
1314uschar *srs_db_address = NULL;
1315uschar *srs_db_key = NULL;
384152a6
TK		 1316int srs_hashlength = 6;
1317int srs_hashmin = -1;
1318int srs_maxage = 31;
8523533c
TK		 1319uschar *srs_orig_recipient = NULL;
1320uschar *srs_orig_sender = NULL;
1321uschar *srs_recipient = NULL;
384152a6 1322uschar *srs_secrets = NULL;
8523533c 1323uschar *srs_status = NULL;
384152a6
TK		 1324BOOL srs_usehash = TRUE;
1325BOOL srs_usetimestamp = TRUE;
8e669ac1 1326#endif
38a0a95f 1327BOOL strict_acl_vars = FALSE;
059ec3d9 1328int string_datestamp_offset= -1;
f1e5fef5
PP		 1329int string_datestamp_length= 0;
1330int string_datestamp_type = -1;
059ec3d9
PH		 1331BOOL strip_excess_angle_brackets = FALSE;
1332BOOL strip_trailing_dot = FALSE;
1333uschar *submission_domain = NULL;
1334BOOL submission_mode = FALSE;
2fe1a124 1335uschar *submission_name = NULL;
8800895a 1336BOOL suppress_local_fixups = FALSE;
f4ee74ac 1337BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH		 1338BOOL synchronous_delivery = FALSE;
1339BOOL syslog_duplication = TRUE;
1340int syslog_facility = LOG_MAIL;
1341uschar *syslog_processname = US"exim";
1342BOOL syslog_timestamp = TRUE;
1343uschar *system_filter = NULL;
1344
1345uschar *system_filter_directory_transport = NULL;
1346uschar *system_filter_file_transport = NULL;
1347uschar *system_filter_pipe_transport = NULL;
1348uschar *system_filter_reply_transport = NULL;
1349
1350gid_t system_filter_gid = 0;
1351BOOL system_filter_gid_set = FALSE;
79d4bc3d 1352uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1353BOOL system_filter_uid_set = FALSE;
1354BOOL system_filtering = FALSE;
1355
1356BOOL tcp_nodelay = TRUE;
5dc43717
JJ		 1357#ifdef USE_TCP_WRAPPERS
1358uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1359#endif
8669f003 1360int test_harness_load_avg = 0;
059ec3d9
PH		 1361int thismessage_size_limit = 0;
1362int timeout_frozen_after = 0;
1363BOOL timestamps_utc = FALSE;
1364
1365transport_instance *transports = NULL;
1366
1367transport_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 */
506900af 1378 NULL, /* expand-multi-domain */
059ec3d9
PH		 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 */
774ef2d7
JH		 1418#ifdef EXPERIMENTAL_EVENT
1419 ,NULL /* event_action */
533aaf91 1420#endif
059ec3d9
PH		 1421};
1422
1423int transport_count;
181d9bf8 1424uschar *transport_name = NULL;
332f5cf3 1425int transport_newlines;
55414b25 1426const uschar **transport_filter_argv = NULL;
059ec3d9 1427int transport_filter_timeout;
2e2a30b4 1428BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1429int transport_write_timeout= 0;
1430
1431tree_node *tree_dns_fails = NULL;
1432tree_node *tree_duplicates = NULL;
1433tree_node *tree_nonrecipients = NULL;
1434tree_node *tree_unusable = NULL;
1435
1436BOOL trusted_caller = FALSE;
e2f5dc15 1437BOOL trusted_config = TRUE;
059ec3d9
PH		 1438gid_t *trusted_groups = NULL;
1439uid_t *trusted_users = NULL;
1440uschar *timezone_string = US TIMEZONE_DEFAULT;
1441
1442uschar *unknown_login = NULL;
1443uschar *unknown_username = NULL;
1444uschar *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
1450which the "mail" commands send to the MTA (undocumented, of course), or in
1451the form
1452
1453 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1454
1455which is apparently used by some UUCPs, despite it not being in RFC 976.
1456Because of variations in time formats, just match up to the minutes. That
1457should be sufficient. Examples have been seen of time fields like 12:1:03,
1458so just require one digit for hours and minutes. The weekday is also absent
1459in some forms. */
1460
1461uschar *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
1469uschar *uucp_from_sender = US"$1";
1470
aec45841 1471uschar *verify_mode = NULL;
f45100a3 1472uschar *version_copyright =
3386088d
PP		 1473 US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1474 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
059ec3d9
PH		 1475uschar *version_date = US"?";
1476uschar *version_cnumber = US"????";
1477uschar *version_string = US"?";
1478
aec45841 1479uschar *warn_message_file = NULL;
059ec3d9 1480int warning_count = 0;
aec45841
JH		 1481uschar *warnmsg_delay = NULL;
1482uschar *warnmsg_recipients = NULL;
1483BOOL write_rejectlog = TRUE;
1484
059ec3d9
PH		 1485
1486/* End of globals.c */
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