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[exim.git] / src / src / globals.c
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
80fea873 5/* Copyright (c) University of Cambridge 1995 - 2016 */
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;
2f680c0c 52BOOL opt_perl_taintmode = FALSE;
059ec3d9
PH		 53#endif
54
1a46a8c5
PH		 55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
059ec3d9
PH		 59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
bc19a55b
PP		 64uschar *eldap_ca_cert_dir = NULL;
65uschar *eldap_ca_cert_file = NULL;
66uschar *eldap_cert_file = NULL;
67uschar *eldap_cert_key = NULL;
68uschar *eldap_cipher_suite = NULL;
059ec3d9 69uschar *eldap_default_servers = NULL;
bc19a55b 70uschar *eldap_require_cert = NULL;
059ec3d9 71int eldap_version = -1;
bc19a55b 72BOOL eldap_start_tls = FALSE;
059ec3d9
PH		 73#endif
74
75#ifdef LOOKUP_MYSQL
76uschar *mysql_servers = NULL;
77#endif
78
79#ifdef LOOKUP_ORACLE
80uschar *oracle_servers = NULL;
81#endif
82
83#ifdef LOOKUP_PGSQL
84uschar *pgsql_servers = NULL;
85#endif
86
de78e2d5 87#ifdef LOOKUP_REDIS
9bdd29ad
TL		 88uschar *redis_servers = NULL;
89#endif
90
31480e42
PH		 91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
059ec3d9
PH		 95#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96BOOL move_frozen_messages = FALSE;
97#endif
98
99/* These variables are outside the #ifdef because it keeps the code less
100cluttered in several places (e.g. during logging) if we can always refer to
101them. Also, the tls_ variables are now always visible. */
102
817d9f57
JH		 103tls_support tls_in = {
104 -1, /* tls_active */
105 0, /* tls_bits */
106 FALSE,/* tls_certificate_verified */
85098ee7
JH		 107#ifdef EXPERIMENTAL_DANE
108 FALSE,/* dane_verified */
594706ea 109 0, /* tlsa_usage */
85098ee7 110#endif
817d9f57
JH		 111 NULL, /* tls_cipher */
112 FALSE,/* tls_on_connect */
113 NULL, /* tls_on_connect_ports */
9d1c15ef
JH		 114 NULL, /* tls_ourcert */
115 NULL, /* tls_peercert */
817d9f57 116 NULL, /* tls_peerdn */
44662487
JH		 117 NULL, /* tls_sni */
118 0 /* tls_ocsp */
817d9f57
JH		 119};
120tls_support tls_out = {
121 -1, /* tls_active */
122 0, /* tls_bits */
123 FALSE,/* tls_certificate_verified */
85098ee7
JH		 124#ifdef EXPERIMENTAL_DANE
125 FALSE,/* dane_verified */
594706ea 126 0, /* tlsa_usage */
85098ee7 127#endif
817d9f57
JH		 128 NULL, /* tls_cipher */
129 FALSE,/* tls_on_connect */
130 NULL, /* tls_on_connect_ports */
9d1c15ef
JH		 131 NULL, /* tls_ourcert */
132 NULL, /* tls_peercert */
817d9f57 133 NULL, /* tls_peerdn */
44662487
JH		 134 NULL, /* tls_sni */
135 0 /* tls_ocsp */
817d9f57
JH		 136};
137
6c1c3d1d
WB		 138uschar *dsn_envid = NULL;
139int dsn_ret = 0;
140const pcre *regex_DSN = NULL;
141BOOL smtp_use_dsn = FALSE;
142uschar *dsn_advertise_hosts = NULL;
059ec3d9
PH		 143
144#ifdef SUPPORT_TLS
e6060e2c 145BOOL gnutls_compat_mode = FALSE;
2519e60d 146BOOL gnutls_allow_auto_pkcs11 = FALSE;
77bb000f 147uschar *openssl_options = NULL;
059ec3d9 148const pcre *regex_STARTTLS = NULL;
23f3dc67 149uschar *tls_advertise_hosts = US"*";
059ec3d9
PH		 150uschar *tls_certificate = NULL;
151uschar *tls_crl = NULL;
3375e053
PP		 152/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
153that's the interop problem which has been observed: GnuTLS suggesting a higher
154bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
155int tls_dh_max_bits = 2236;
059ec3d9 156uschar *tls_dhparam = NULL;
10ca4f1c 157uschar *tls_eccurve = US"prime256v1";
23f3dc67 158# ifndef DISABLE_OCSP
3f7eeb86 159uschar *tls_ocsp_file = NULL;
23f3dc67 160# endif
059ec3d9
PH		 161BOOL tls_offered = FALSE;
162uschar *tls_privatekey = NULL;
163BOOL tls_remember_esmtp = FALSE;
164uschar *tls_require_ciphers = NULL;
165uschar *tls_try_verify_hosts = NULL;
0e0f3f56 166uschar *tls_verify_certificates= US"system";
059ec3d9 167uschar *tls_verify_hosts = NULL;
23f3dc67
JH		 168#else /*!SUPPORT_TLS*/
169uschar *tls_advertise_hosts = NULL;
059ec3d9
PH		 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
8c5d388a 179#ifdef SUPPORT_I18N
7ade712c
JH		 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
7e3ce68e
JH		 188int (*lwr_receive_getc)(void) = stdin_getc;
189int (*lwr_receive_ungetc)(int) = stdin_ungetc;
059ec3d9 190int (*receive_getc)(void) = stdin_getc;
584e96c6 191void (*receive_get_cache)(void)= NULL;
059ec3d9
PH		 192int (*receive_ungetc)(int) = stdin_ungetc;
193int (*receive_feof)(void) = stdin_feof;
194int (*receive_ferror)(void) = stdin_ferror;
58eb016e 195BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
059ec3d9
PH		 196#endif
197
198
199/* List of per-address expansion variables for clearing and saving/restoring
200when verifying one address while routing/verifying another. We have to have
201the size explicit, because it is referenced from more than one module. */
202
55414b25
JH		 203const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
216 CUSS &deliver_host,
217 CUSS &deliver_home,
218 CUSS &address_file,
219 CUSS &address_pipe,
220 CUSS &self_hostname,
059ec3d9
PH		 221 NULL };
222
223int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225/* General global variables */
226
71fafd95 227header_line *acl_added_headers = NULL;
059ec3d9 228tree_node *acl_anchor = NULL;
525239c1
JH		 229uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231int acl_narg = 0;
8f128379 232
059ec3d9 233uschar *acl_not_smtp = NULL;
54cdb463
PH		 234#ifdef WITH_CONTENT_SCAN
235uschar *acl_not_smtp_mime = NULL;
236#endif
45b91596 237uschar *acl_not_smtp_start = NULL;
e7568d51 238uschar *acl_removed_headers = NULL;
059ec3d9
PH		 239uschar *acl_smtp_auth = NULL;
240uschar *acl_smtp_connect = NULL;
241uschar *acl_smtp_data = NULL;
8ccd00b1 242#ifndef DISABLE_PRDR
ad07e9ad 243uschar *acl_smtp_data_prdr = US"accept";
fd98a5c6 244#endif
80a47a2c
TK		 245#ifndef DISABLE_DKIM
246uschar *acl_smtp_dkim = NULL;
247#endif
059ec3d9
PH		 248uschar *acl_smtp_etrn = NULL;
249uschar *acl_smtp_expn = NULL;
250uschar *acl_smtp_helo = NULL;
251uschar *acl_smtp_mail = NULL;
252uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 253#ifdef WITH_CONTENT_SCAN
254uschar *acl_smtp_mime = NULL;
255#endif
8f128379 256uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 257uschar *acl_smtp_predata = NULL;
258uschar *acl_smtp_quit = NULL;
259uschar *acl_smtp_rcpt = NULL;
260uschar *acl_smtp_starttls = NULL;
261uschar *acl_smtp_vrfy = NULL;
8f128379 262
059ec3d9 263BOOL acl_temp_details = FALSE;
38a0a95f
PH		 264tree_node *acl_var_c = NULL;
265tree_node *acl_var_m = NULL;
059ec3d9 266uschar *acl_verify_message = NULL;
059ec3d9
PH		 267string_item *acl_warn_logged = NULL;
268
269/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
270error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
271
272uschar *acl_wherenames[] = { US"RCPT",
273 US"MAIL",
274 US"PREDATA",
8523533c 275 US"MIME",
80a47a2c 276 US"DKIM",
059ec3d9 277 US"DATA",
8ccd00b1 278#ifndef DISABLE_PRDR
fd98a5c6
JH		 279 US"PRDR",
280#endif
059ec3d9
PH		 281 US"non-SMTP",
282 US"AUTH",
283 US"connection",
284 US"ETRN",
285 US"EXPN",
286 US"EHLO or HELO",
287 US"MAILAUTH",
45b91596 288 US"non-SMTP-start",
8f128379 289 US"NOTQUIT",
059ec3d9
PH		 290 US"QUIT",
291 US"STARTTLS",
723c72e6 292 US"VRFY",
faa05a93
JH		 293 US"delivery",
294 US"unknown"
059ec3d9
PH		 295 };
296
a5bd321b
PH		 297uschar *acl_wherecodes[] = { US"550", /* RCPT */
298 US"550", /* MAIL */
299 US"550", /* PREDATA */
300 US"550", /* MIME */
80a47a2c 301 US"550", /* DKIM */
a5bd321b 302 US"550", /* DATA */
8ccd00b1 303#ifndef DISABLE_PRDR
fd98a5c6
JH		 304 US"550", /* RCPT PRDR */
305#endif
a5bd321b
PH		 306 US"0", /* not SMTP; not relevant */
307 US"503", /* AUTH */
308 US"550", /* connect */
309 US"458", /* ETRN */
310 US"550", /* EXPN */
311 US"550", /* HELO/EHLO */
312 US"0", /* MAILAUTH; not relevant */
313 US"0", /* not SMTP; not relevant */
8f128379 314 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 315 US"0", /* QUIT; not relevant */
316 US"550", /* STARTTLS */
723c72e6 317 US"252", /* VRFY */
faa05a93 318 US"0", /* delivery; not relevant */
723c72e6 319 US"0" /* unknown; not relevant */
059ec3d9 320 };
8e669ac1 321
69358f02
PH		 322BOOL active_local_from_check = FALSE;
323BOOL active_local_sender_retain = FALSE;
9cbad13b 324BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
bc3c7bb7 325uschar *add_environment = NULL;
059ec3d9
PH		 326address_item *addr_duplicate = NULL;
327
328address_item address_defaults = {
329 NULL, /* next */
330 NULL, /* parent */
331 NULL, /* first */
332 NULL, /* dupof */
333 NULL, /* start_router */
334 NULL, /* router */
335 NULL, /* transport */
336 NULL, /* host_list */
337 NULL, /* host_used */
338 NULL, /* fallback_hosts */
339 NULL, /* reply */
340 NULL, /* retries */
341 NULL, /* address */
342 NULL, /* unique */
343 NULL, /* cc_local_part */
344 NULL, /* lc_local_part */
345 NULL, /* local_part */
346 NULL, /* prefix */
347 NULL, /* suffix */
348 NULL, /* domain */
349 NULL, /* address_retry_key */
350 NULL, /* domain_retry_key */
351 NULL, /* current_dir */
352 NULL, /* home_dir */
353 NULL, /* message */
354 NULL, /* user_message */
355 NULL, /* onetime_parent */
356 NULL, /* pipe_expandn */
357 NULL, /* return_filename */
358 NULL, /* self_hostname */
359 NULL, /* shadow_message */
895fbaf2 360#ifdef SUPPORT_TLS
059ec3d9 361 NULL, /* cipher */
9d1c15ef
JH		 362 NULL, /* ourcert */
363 NULL, /* peercert */
059ec3d9 364 NULL, /* peerdn */
018058b2 365 OCSP_NOT_REQ, /* ocsp */
895fbaf2
JH		 366#endif
367#ifdef EXPERIMENTAL_DSN_INFO
368 NULL, /* smtp_greeting */
369 NULL, /* helo_response */
370#endif
018c60d7
JH		 371 NULL, /* authenticator */
372 NULL, /* auth_id */
373 NULL, /* auth_sndr */
6c1c3d1d
WB		 374 NULL, /* dsn_orcpt */
375 0, /* dsn_flags */
376 0, /* dsn_aware */
059ec3d9
PH		 377 (uid_t)(-1), /* uid */
378 (gid_t)(-1), /* gid */
379 0, /* flags */
380 { 0 }, /* domain_cache - any larger array should be zeroed */
381 { 0 }, /* localpart_cache - ditto */
382 -1, /* mode */
383 0, /* more_errno */
384 ERRNO_UNKNOWNERROR, /* basic_errno */
385 0, /* child_count */
386 -1, /* return_file */
387 SPECIAL_NONE, /* special_action */
388 DEFER, /* transport_return */
389 { /* fields that are propagated to children */
390 NULL, /* address_data */
391 NULL, /* domain_data */
392 NULL, /* localpart_data */
393 NULL, /* errors_address */
394 NULL, /* extra_headers */
395 NULL, /* remove_headers */
384152a6
TK		 396#ifdef EXPERIMENTAL_SRS
397 NULL, /* srs_sender */
7ade712c 398#endif
8c5d388a 399#ifdef SUPPORT_I18N
7ade712c 400 FALSE, /* utf8 */
384152a6 401#endif
059ec3d9
PH		 402 }
403};
404
405uschar *address_file = NULL;
406uschar *address_pipe = NULL;
407BOOL address_test_mode = FALSE;
408tree_node *addresslist_anchor = NULL;
409int addresslist_count = 0;
410gid_t *admin_groups = NULL;
411BOOL admin_user = FALSE;
c46782ef 412BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH		 413BOOL allow_domain_literals = FALSE;
414BOOL allow_mx_to_ip = FALSE;
415BOOL allow_unqualified_recipient = TRUE; /* For local messages */
416BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
417BOOL allow_utf8_domains = FALSE;
2d07a215 418uschar *authenticated_fail_id = NULL;
059ec3d9
PH		 419uschar *authenticated_id = NULL;
420uschar *authenticated_sender = NULL;
421BOOL authentication_failed = FALSE;
422auth_instance *auths = NULL;
423uschar *auth_advertise_hosts = US"*";
424auth_instance auth_defaults = {
425 NULL, /* chain pointer */
426 NULL, /* name */
427 NULL, /* info */
428 NULL, /* private options block pointer */
429 NULL, /* driver_name */
430 NULL, /* advertise_condition */
6c512171 431 NULL, /* client_condition */
059ec3d9
PH		 432 NULL, /* public_name */
433 NULL, /* set_id */
c8e2fc1e 434 NULL, /* set_client_id */
059ec3d9
PH		 435 NULL, /* server_mail_auth_condition */
436 NULL, /* server_debug_string */
16ff981e 437 NULL, /* server_condition */
059ec3d9
PH		 438 FALSE, /* client */
439 FALSE, /* server */
440 FALSE /* advertised */
441};
442
443uschar *auth_defer_msg = US"reason not recorded";
444uschar *auth_defer_user_msg = US"";
f78eb7c6 445uschar *auth_vars[AUTH_VARS];
059ec3d9 446int auto_thaw = 0;
8523533c 447#ifdef WITH_CONTENT_SCAN
9e949f00 448BOOL av_failed = FALSE;
8523533c
TK		 449uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
450#endif
059ec3d9
PH		 451
452BOOL background_daemon = TRUE;
9a799bc0
PH		 453
454#if BASE_62 == 62
059ec3d9
PH		 455uschar *base62_chars=
456 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 457#else
458uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
459#endif
460
059ec3d9
PH		 461uschar *bi_command = NULL;
462uschar *big_buffer = NULL;
463int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 464#ifdef EXPERIMENTAL_BRIGHTMAIL
465uschar *bmi_alt_location = NULL;
466uschar *bmi_base64_tracker_verdict = NULL;
467uschar *bmi_base64_verdict = NULL;
468uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
469int bmi_deliver = 1;
470int bmi_run = 0;
471uschar *bmi_verdicts = NULL;
472#endif
939c3e34 473int body_8bitmime = 0;
059ec3d9
PH		 474int body_linecount = 0;
475int body_zerocount = 0;
476uschar *bounce_message_file = NULL;
477uschar *bounce_message_text = NULL;
478uschar *bounce_recipient = NULL;
479BOOL bounce_return_body = TRUE;
62b7cd08 480int bounce_return_linesize_limit = 998;
059ec3d9
PH		 481BOOL bounce_return_message = TRUE;
482int bounce_return_size_limit = 100*1024;
483uschar *bounce_sender_authentication = NULL;
484int bsmtp_transaction_linecount = 0;
485
055e2cb4 486uschar *callout_address = NULL;
059ec3d9
PH		 487int callout_cache_domain_positive_expire = 7*24*60*60;
488int callout_cache_domain_negative_expire = 3*60*60;
489int callout_cache_positive_expire = 24*60*60;
490int callout_cache_negative_expire = 2*60*60;
491uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 492uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
059ec3d9
PH		 493int check_log_inodes = 0;
494int check_log_space = 0;
a0d6ba8a 495BOOL check_rfc2047_length = TRUE;
059ec3d9
PH		 496int check_spool_inodes = 0;
497int check_spool_space = 0;
18481de3 498
aa368db3 499uschar *chunking_advertise_hosts = US"*";
18481de3 500unsigned chunking_datasize = 0;
7e3ce68e
JH		 501unsigned chunking_data_left = 0;
502BOOL chunking_offered = FALSE;
18481de3 503chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
f98442df 504const pcre *regex_CHUNKING = NULL;
18481de3 505
aa368db3
JH		 506uschar *client_authenticator = NULL;
507uschar *client_authenticated_id = NULL;
508uschar *client_authenticated_sender = NULL;
059ec3d9
PH		 509int clmacro_count = 0;
510uschar *clmacros[MAX_CLMACROS];
511BOOL config_changed = FALSE;
512FILE *config_file = NULL;
513uschar *config_filename = NULL;
514int config_lineno = 0;
35edf2ff
PH		 515#ifdef CONFIGURE_GROUP
516gid_t config_gid = CONFIGURE_GROUP;
517#endif
059ec3d9
PH		 518uschar *config_main_filelist = US CONFIGURE_FILE
519 "\0<-----------Space to patch configure_filename->";
520uschar *config_main_filename = NULL;
98b8312f 521uschar *config_main_directory = NULL;
059ec3d9
PH		 522
523#ifdef CONFIGURE_OWNER
524uid_t config_uid = CONFIGURE_OWNER;
525#endif
526
527int connection_max_messages= -1;
528uschar *continue_hostname = NULL;
529uschar *continue_host_address = NULL;
530BOOL continue_more = FALSE;
531int continue_sequence = 1;
532uschar *continue_transport = NULL;
533
e5a9dba6 534uschar *csa_status = NULL;
5032d1cf
JH		 535cut_t cutthrough = {
536 FALSE, /* delivery: when to attempt */
537 -1, /* fd: open connection */
538 0, /* nrcpt: number of addresses */
539};
e5a9dba6 540
059ec3d9
PH		 541BOOL daemon_listen = FALSE;
542uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 543int daemon_startup_retries = 9;
544int daemon_startup_sleep = 30;
6a8f9482
TK		 545
546#ifdef EXPERIMENTAL_DCC
547BOOL dcc_direct_add_header = FALSE;
548uschar *dcc_header = NULL;
549uschar *dcc_result = NULL;
550uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
551uschar *dccifd_options = US"header";
552#endif
553
3d235903 554BOOL debug_daemon = FALSE;
059ec3d9
PH		 555int debug_fd = -1;
556FILE *debug_file = NULL;
6c6d6e48
TF		 557int debug_notall[] = {
558 Di_memory,
559 -1
059ec3d9 560};
6c6d6e48
TF		 561bit_table debug_options[] = { /* must be in alphabetical order */
562 BIT_TABLE(D, acl),
563 BIT_TABLE(D, all),
564 BIT_TABLE(D, auth),
565 BIT_TABLE(D, deliver),
566 BIT_TABLE(D, dns),
567 BIT_TABLE(D, dnsbl),
568 BIT_TABLE(D, exec),
569 BIT_TABLE(D, expand),
570 BIT_TABLE(D, filter),
571 BIT_TABLE(D, hints_lookup),
572 BIT_TABLE(D, host_lookup),
573 BIT_TABLE(D, ident),
574 BIT_TABLE(D, interface),
575 BIT_TABLE(D, lists),
576 BIT_TABLE(D, load),
577 BIT_TABLE(D, local_scan),
578 BIT_TABLE(D, lookup),
579 BIT_TABLE(D, memory),
580 BIT_TABLE(D, pid),
581 BIT_TABLE(D, process_info),
582 BIT_TABLE(D, queue_run),
583 BIT_TABLE(D, receive),
584 BIT_TABLE(D, resolver),
585 BIT_TABLE(D, retry),
586 BIT_TABLE(D, rewrite),
587 BIT_TABLE(D, route),
588 BIT_TABLE(D, timestamp),
589 BIT_TABLE(D, tls),
590 BIT_TABLE(D, transport),
591 BIT_TABLE(D, uid),
592 BIT_TABLE(D, verify),
593};
594int debug_options_count = nelem(debug_options);
595
059ec3d9
PH		 596unsigned int debug_selector = 0;
597int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 598uschar *delay_warning_condition=
599 US"${if or {"
e85a7ad5 600 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 601 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
602 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
603 "} {no}{yes}}";
059ec3d9
PH		 604BOOL delivery_date_remove = TRUE;
605uschar *deliver_address_data = NULL;
606int deliver_datafile = -1;
55414b25 607const uschar *deliver_domain = NULL;
059ec3d9 608uschar *deliver_domain_data = NULL;
55414b25
JH		 609const uschar *deliver_domain_orig = NULL;
610const uschar *deliver_domain_parent = NULL;
059ec3d9
PH		 611BOOL deliver_drop_privilege = FALSE;
612BOOL deliver_firsttime = FALSE;
613BOOL deliver_force = FALSE;
614BOOL deliver_freeze = FALSE;
19050083 615time_t deliver_frozen_at = 0;
059ec3d9 616uschar *deliver_home = NULL;
55414b25
JH		 617const uschar *deliver_host = NULL;
618const uschar *deliver_host_address = NULL;
a7538db1 619int deliver_host_port = 0;
059ec3d9
PH		 620uschar *deliver_in_buffer = NULL;
621ino_t deliver_inode = 0;
622uschar *deliver_localpart = NULL;
623uschar *deliver_localpart_data = NULL;
624uschar *deliver_localpart_orig = NULL;
625uschar *deliver_localpart_parent = NULL;
626uschar *deliver_localpart_prefix = NULL;
627uschar *deliver_localpart_suffix = NULL;
628BOOL deliver_force_thaw = FALSE;
629BOOL deliver_manual_thaw = FALSE;
630uschar *deliver_out_buffer = NULL;
631int deliver_queue_load_max = -1;
632address_item *deliver_recipients = NULL;
633uschar *deliver_selectstring = NULL;
634BOOL deliver_selectstring_regex = FALSE;
635uschar *deliver_selectstring_sender = NULL;
636BOOL deliver_selectstring_sender_regex = FALSE;
4c590bd1 637BOOL disable_callout_flush = FALSE;
047bdd8c 638BOOL disable_delay_flush = FALSE;
54fc8428
PH		 639#ifdef ENABLE_DISABLE_FSYNC
640BOOL disable_fsync = FALSE;
641#endif
7e66e54d 642BOOL disable_ipv6 = FALSE;
059ec3d9
PH		 643BOOL disable_logging = FALSE;
644
80a47a2c 645#ifndef DISABLE_DKIM
abe1010c 646BOOL dkim_collect_input = FALSE;
2df588c9 647uschar *dkim_cur_signer = NULL;
abe1010c
JH		 648BOOL dkim_disable_verify = FALSE;
649int dkim_key_length = 0;
9e5d6b55 650uschar *dkim_signers = NULL;
f7572e5a
TK		 651uschar *dkim_signing_domain = NULL;
652uschar *dkim_signing_selector = NULL;
9e5d6b55 653uschar *dkim_verify_signers = US"$dkim_signers";
f7572e5a 654#endif
4840604e 655#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 656BOOL dmarc_has_been_checked = FALSE;
4840604e 657uschar *dmarc_ar_header = NULL;
8c8b8274 658uschar *dmarc_domain_policy = NULL;
4840604e
TL		 659uschar *dmarc_forensic_sender = NULL;
660uschar *dmarc_history_file = NULL;
661uschar *dmarc_status = NULL;
662uschar *dmarc_status_text = NULL;
663uschar *dmarc_tld_file = NULL;
664uschar *dmarc_used_domain = NULL;
665BOOL dmarc_disable_verify = FALSE;
666BOOL dmarc_enable_forensic = FALSE;
667#endif
f7572e5a 668
059ec3d9 669uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH		 670int dns_csa_search_limit = 5;
671BOOL dns_csa_use_reverse = TRUE;
e682570f
TL		 672#ifdef EXPERIMENTAL_DANE
673int dns_dane_ok = -1;
674#endif
059ec3d9
PH		 675uschar *dns_ipv4_lookup = NULL;
676int dns_retrans = 0;
677int dns_retry = 0;
0fbd9bff 678int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 679uschar *dns_trust_aa = NULL;
e97d1f08 680int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 681uschar *dnslist_domain = NULL;
93655c46 682uschar *dnslist_matched = NULL;
059ec3d9
PH		 683uschar *dnslist_text = NULL;
684uschar *dnslist_value = NULL;
685tree_node *domainlist_anchor = NULL;
686int domainlist_count = 0;
687BOOL dont_deliver = FALSE;
688BOOL dot_ends = TRUE;
689BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 690uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH		 691
692BOOL enable_dollar_recipients = FALSE;
693BOOL envelope_to_remove = TRUE;
694int errno_quota = ERRNO_QUOTA;
695uschar *errors_copy = NULL;
696int error_handling = ERRORS_SENDER;
697uschar *errors_reply_to = NULL;
698int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 699#ifndef DISABLE_EVENT
723fe533
JH		 700uschar *event_action = NULL; /* expansion for delivery events */
701uschar *event_data = NULL; /* auxilary data variable for event */
702int event_defer_errno = 0;
55414b25 703const uschar *event_name = NULL; /* event name variable */
723fe533
JH		 704#endif
705
059ec3d9
PH		 706
707gid_t exim_gid = EXIM_GID;
708BOOL exim_gid_set = TRUE; /* This gid is always set */
709uschar *exim_path = US BIN_DIRECTORY "/exim"
710 "\0<---------------Space to patch exim_path->";
711uid_t exim_uid = EXIM_UID;
712BOOL exim_uid_set = TRUE; /* This uid is always set */
713int expand_forbid = 0;
714int expand_nlength[EXPAND_MAXN+1];
715int expand_nmax = -1;
716uschar *expand_nstring[EXPAND_MAXN+1];
717BOOL expand_string_forcedfail = FALSE;
718uschar *expand_string_message;
719BOOL extract_addresses_remove_arguments = TRUE;
720uschar *extra_local_interfaces = NULL;
721
29aba418 722int fake_response = OK;
0e22dfd1
PH		 723uschar *fake_response_text = US"Your message has been rejected but is "
724 "being kept for evaluation.\nIf it was a "
725 "legitimate message, it may still be "
726 "delivered to the target recipient(s).";
059ec3d9
PH		 727int filter_n[FILTER_VARIABLE_COUNT];
728BOOL filter_running = FALSE;
729int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 730int filter_test = FTEST_NONE;
731uschar *filter_test_sfile = NULL;
732uschar *filter_test_ufile = NULL;
059ec3d9
PH		 733uschar *filter_thisaddress = NULL;
734int finduser_retries = 0;
735uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
736uschar *freeze_tell = NULL;
6a3f1455 737uschar *freeze_tell_config = NULL;
059ec3d9
PH		 738uschar *fudged_queue_times = US"";
739
740uschar *gecos_name = NULL;
741uschar *gecos_pattern = NULL;
742rewrite_rule *global_rewrite_rules = NULL;
743
744uschar *headers_charset = US HEADERS_CHARSET;
745int header_insert_maxlen = 64 * 1024;
746header_line *header_last = NULL;
747header_line *header_list = NULL;
748int header_maxsize = HEADER_MAXSIZE;
749int header_line_maxsize = 0;
750
751header_name header_names[] = {
752 { US"bcc", 3, TRUE, htype_bcc },
753 { US"cc", 2, TRUE, htype_cc },
754 { US"date", 4, TRUE, htype_date },
755 { US"delivery-date", 13, FALSE, htype_delivery_date },
756 { US"envelope-to", 11, FALSE, htype_envelope_to },
757 { US"from", 4, TRUE, htype_from },
758 { US"message-id", 10, TRUE, htype_id },
759 { US"received", 8, FALSE, htype_received },
760 { US"reply-to", 8, FALSE, htype_reply_to },
761 { US"return-path", 11, FALSE, htype_return_path },
762 { US"sender", 6, TRUE, htype_sender },
763 { US"subject", 7, FALSE, htype_subject },
764 { US"to", 2, TRUE, htype_to }
765};
766
767int header_names_size = sizeof(header_names)/sizeof(header_name);
768
769BOOL header_rewritten = FALSE;
770uschar *helo_accept_junk_hosts = NULL;
771uschar *helo_allow_chars = US"";
772uschar *helo_lookup_domains = US"@ : @[]";
773uschar *helo_try_verify_hosts = NULL;
774BOOL helo_verified = FALSE;
d7b47fd0 775BOOL helo_verify_failed = FALSE;
059ec3d9 776uschar *helo_verify_hosts = NULL;
1ba28e2b 777const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH		 778uschar *hold_domains = NULL;
779BOOL host_checking = FALSE;
780BOOL host_checking_callout = FALSE;
781uschar *host_data = NULL;
782BOOL host_find_failed_syntax= FALSE;
783uschar *host_lookup = NULL;
b08b24c8 784BOOL host_lookup_deferred = FALSE;
059ec3d9
PH		 785BOOL host_lookup_failed = FALSE;
786uschar *host_lookup_order = US"bydns:byaddr";
787uschar *host_lookup_msg = US"";
788int host_number = 0;
789uschar *host_number_string = NULL;
790uschar *host_reject_connection = NULL;
791tree_node *hostlist_anchor = NULL;
792int hostlist_count = 0;
793uschar *hosts_treat_as_local = NULL;
794uschar *hosts_connection_nolog = NULL;
795
796int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
797BOOL ignore_fromline_local = FALSE;
798uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP		 799BOOL inetd_wait_mode = FALSE;
800int inetd_wait_timeout = -1;
3615fa9a 801uschar *initial_cwd = NULL;
059ec3d9
PH		 802uschar *interface_address = NULL;
803int interface_port = -1;
804BOOL is_inetd = FALSE;
0ce9abe6 805uschar *iterate_item = NULL;
059ec3d9
PH		 806
807int journal_fd = -1;
808
bc3c7bb7
HSHR		 809uschar *keep_environment = NULL;
810
059ec3d9
PH		 811int keep_malformed = 4*24*60*60; /* 4 days */
812
813uschar *eldap_dn = NULL;
814int load_average = -2;
815BOOL local_error_message = FALSE;
816BOOL local_from_check = TRUE;
817uschar *local_from_prefix = NULL;
818uschar *local_from_suffix = NULL;
819
820#if HAVE_IPV6
821uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
822#else
823uschar *local_interfaces = US"0.0.0.0";
824#endif
825
826uschar *local_scan_data = NULL;
827int local_scan_timeout = 5*60;
828BOOL local_sender_retain = FALSE;
829gid_t local_user_gid = (gid_t)(-1);
830uid_t local_user_uid = (uid_t)(-1);
831
832tree_node *localpartlist_anchor= NULL;
833int localpartlist_count = 0;
834uschar *log_buffer = NULL;
6c6d6e48
TF		 835
836int log_default[] = { /* for initializing log_selector */
837 Li_acl_warn_skipped,
838 Li_connection_reject,
839 Li_delay_delivery,
840 Li_dnslist_defer,
841 Li_etrn,
842 Li_host_lookup_failed,
843 Li_lost_incoming_connection,
ac881e27 844 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF		 845 Li_queue_run,
846 Li_rejected_header,
847 Li_retry_defer,
848 Li_sender_verify_fail,
849 Li_size_reject,
850 Li_skip_delivery,
851 Li_smtp_confirmation,
852 Li_tls_certificate_verified,
853 Li_tls_cipher,
854 -1
855};
856
059ec3d9
PH		 857uschar *log_file_path = US LOG_FILE_PATH
858 "\0<--------------Space to patch log_file_path->";
859
6c6d6e48
TF		 860int log_notall[] = {
861 -1
862};
863bit_table log_options[] = { /* must be in alphabetical order */
864 BIT_TABLE(L, 8bitmime),
865 BIT_TABLE(L, acl_warn_skipped),
866 BIT_TABLE(L, address_rewrite),
867 BIT_TABLE(L, all),
868 BIT_TABLE(L, all_parents),
869 BIT_TABLE(L, arguments),
870 BIT_TABLE(L, connection_reject),
871 BIT_TABLE(L, delay_delivery),
872 BIT_TABLE(L, deliver_time),
873 BIT_TABLE(L, delivery_size),
874 BIT_TABLE(L, dnslist_defer),
fc16abb4 875 BIT_TABLE(L, dnssec),
6c6d6e48
TF		 876 BIT_TABLE(L, etrn),
877 BIT_TABLE(L, host_lookup_failed),
878 BIT_TABLE(L, ident_timeout),
879 BIT_TABLE(L, incoming_interface),
880 BIT_TABLE(L, incoming_port),
881 BIT_TABLE(L, lost_incoming_connection),
ac881e27 882 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF		 883 BIT_TABLE(L, outgoing_port),
884 BIT_TABLE(L, pid),
e6d2a989 885#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
6c6d6e48
TF		 886 BIT_TABLE(L, proxy),
887#endif
888 BIT_TABLE(L, queue_run),
889 BIT_TABLE(L, queue_time),
890 BIT_TABLE(L, queue_time_overall),
891 BIT_TABLE(L, received_recipients),
892 BIT_TABLE(L, received_sender),
893 BIT_TABLE(L, rejected_header),
894 { US"rejected_headers", Li_rejected_header },
895 BIT_TABLE(L, retry_defer),
896 BIT_TABLE(L, return_path_on_delivery),
897 BIT_TABLE(L, sender_on_delivery),
898 BIT_TABLE(L, sender_verify_fail),
899 BIT_TABLE(L, size_reject),
900 BIT_TABLE(L, skip_delivery),
901 BIT_TABLE(L, smtp_confirmation),
902 BIT_TABLE(L, smtp_connection),
903 BIT_TABLE(L, smtp_incomplete_transaction),
904 BIT_TABLE(L, smtp_mailauth),
905 BIT_TABLE(L, smtp_no_mail),
906 BIT_TABLE(L, smtp_protocol_error),
907 BIT_TABLE(L, smtp_syntax_error),
908 BIT_TABLE(L, subject),
909 BIT_TABLE(L, tls_certificate_verified),
910 BIT_TABLE(L, tls_cipher),
911 BIT_TABLE(L, tls_peerdn),
912 BIT_TABLE(L, tls_sni),
913 BIT_TABLE(L, unknown_in_list),
059ec3d9 914};
6c6d6e48 915int log_options_count = nelem(log_options);
059ec3d9 916
6ea85e9a 917int log_reject_target = 0;
6c6d6e48 918unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH		 919uschar *log_selector_string = NULL;
920FILE *log_stderr = NULL;
921BOOL log_testing_mode = FALSE;
922BOOL log_timezone = FALSE;
923uschar *login_sender_address = NULL;
4e0983dc 924uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH		 925int lookup_open_max = 25;
926uschar *lookup_value = NULL;
927
928macro_item *macros = NULL;
929uschar *mailstore_basename = NULL;
8523533c
TK		 930#ifdef WITH_CONTENT_SCAN
931uschar *malware_name = NULL; /* Virus Name */
932#endif
d677b2f2 933int max_received_linelength= 0;
059ec3d9
PH		 934int max_username_length = 0;
935int message_age = 0;
936uschar *message_body = NULL;
937uschar *message_body_end = NULL;
ddea74fa 938BOOL message_body_newlines = FALSE;
059ec3d9
PH		 939int message_body_size = 0;
940int message_body_visible = 500;
941int message_ended = END_NOTSTARTED;
942uschar *message_headers = NULL;
943uschar *message_id;
944uschar *message_id_domain = NULL;
945uschar *message_id_text = NULL;
946struct timeval message_id_tv = { 0, 0 };
947uschar message_id_option[MESSAGE_ID_LENGTH + 3];
948uschar *message_id_external;
949int message_linecount = 0;
950BOOL message_logs = TRUE;
951int message_size = 0;
952uschar *message_size_limit = US"50M";
8c5d388a 953#ifdef SUPPORT_I18N
eb02f5df 954BOOL message_smtputf8 = FALSE;
3c8b3577 955int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 956#endif
059ec3d9
PH		 957uschar message_subdir[2] = { 0, 0 };
958uschar *message_reference = NULL;
8523533c
TK		 959
960/* MIME ACL expandables */
961#ifdef WITH_CONTENT_SCAN
f7b63901 962int mime_anomaly_level = 0;
1ba28e2b 963const uschar *mime_anomaly_text = NULL;
8523533c
TK		 964uschar *mime_boundary = NULL;
965uschar *mime_charset = NULL;
966uschar *mime_content_description = NULL;
967uschar *mime_content_disposition = NULL;
968uschar *mime_content_id = NULL;
969unsigned int mime_content_size = 0;
970uschar *mime_content_transfer_encoding = NULL;
971uschar *mime_content_type = NULL;
972uschar *mime_decoded_filename = NULL;
973uschar *mime_filename = NULL;
974int mime_is_multipart = 0;
975int mime_is_coverletter = 0;
976int mime_is_rfc822 = 0;
977int mime_part_count = -1;
978#endif
979
059ec3d9
PH		 980BOOL mua_wrapper = FALSE;
981
982uid_t *never_users = NULL;
8523533c
TK		 983#ifdef WITH_CONTENT_SCAN
984BOOL no_mbox_unspool = FALSE;
985#endif
059ec3d9
PH		 986BOOL no_multiline_responses = FALSE;
987
988uid_t original_euid;
989gid_t originator_gid;
990uschar *originator_login = NULL;
991uschar *originator_name = NULL;
992uid_t originator_uid;
993uschar *override_local_interfaces = NULL;
994uschar *override_pid_file_path = NULL;
995
996BOOL parse_allow_group = FALSE;
997BOOL parse_found_group = FALSE;
998uschar *percent_hack_domains = NULL;
999uschar *pid_file_path = US PID_FILE_PATH
1000 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 1001BOOL pipelining_enable = TRUE;
059ec3d9
PH		 1002uschar *pipelining_advertise_hosts = US"*";
1003BOOL preserve_message_logs = FALSE;
1004uschar *primary_hostname = NULL;
1005BOOL print_topbitchars = FALSE;
1006uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1007int process_info_len = 0;
059ec3d9
PH		 1008uschar *process_log_path = NULL;
1009BOOL prod_requires_admin = TRUE;
a3c86431 1010
e6d2a989 1011#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 1012uschar *hosts_proxy = US"";
e6d2a989
JH		 1013uschar *proxy_external_address = US"";
1014int proxy_external_port = 0;
1015uschar *proxy_local_address = US"";
1016int proxy_local_port = 0;
a3c86431
TL		 1017BOOL proxy_session = FALSE;
1018BOOL proxy_session_failed = FALSE;
1019#endif
1020
fffda43a
TK		 1021uschar *prvscheck_address = NULL;
1022uschar *prvscheck_keynum = NULL;
1023uschar *prvscheck_result = NULL;
1024
059ec3d9 1025
55414b25 1026const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH		 1027uschar *qualify_domain_sender = NULL;
1028BOOL queue_2stage = FALSE;
1029uschar *queue_domains = NULL;
1030int queue_interval = -1;
1031BOOL queue_list_requires_admin = TRUE;
a2da3176 1032uschar *queue_name = US"";
059ec3d9
PH		 1033BOOL queue_only = FALSE;
1034uschar *queue_only_file = NULL;
1035int queue_only_load = -1;
8669f003 1036BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 1037BOOL queue_only_override = TRUE;
1038BOOL queue_only_policy = FALSE;
1039BOOL queue_run_first_delivery = FALSE;
1040BOOL queue_run_force = FALSE;
1041BOOL queue_run_in_order = FALSE;
1042BOOL queue_run_local = FALSE;
0cd5fd23 1043uschar *queue_run_max = US"5";
059ec3d9
PH		 1044pid_t queue_run_pid = (pid_t)0;
1045int queue_run_pipe = -1;
1046BOOL queue_running = FALSE;
1047BOOL queue_smtp = FALSE;
1048uschar *queue_smtp_domains = NULL;
1049
1050unsigned int random_seed = 0;
fe0dab11 1051tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 1052tree_node *ratelimiters_conn = NULL;
1053tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 1054uschar *raw_active_hostname = NULL;
1055uschar *raw_sender = NULL;
1056uschar **raw_recipients = NULL;
1057int raw_recipients_count = 0;
1058
1059int rcpt_count = 0;
1060int rcpt_fail_count = 0;
1061int rcpt_defer_count = 0;
1062gid_t real_gid;
1063uid_t real_uid;
1064BOOL really_exim = TRUE;
1065BOOL receive_call_bombout = FALSE;
1066int receive_linecount = 0;
1067int receive_messagecount = 0;
1068int receive_timeout = 0;
1069int received_count = 0;
1070uschar *received_for = NULL;
1071
1072/* This is the default text for Received headers generated by Exim. The
1073date will be automatically added on the end. */
1074
1075uschar *received_header_text = US
1076 "Received: "
1077 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1078 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 1079 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1080 "by $primary_hostname "
1081 "${if def:received_protocol {with $received_protocol}} "
1082 #ifdef SUPPORT_TLS
1083 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1084 #endif
1085 "(Exim $version_number)\n\t"
3e46c1aa 1086 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1087 "id $message_exim_id"
059ec3d9
PH		 1088 "${if def:received_for {\n\tfor $received_for}}"
1089 "\0<---------------Space to patch received_header_text->";
1090
1091int received_headers_max = 30;
1092uschar *received_protocol = NULL;
1093int received_time = 0;
1094uschar *recipient_data = NULL;
1095uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1096uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 1097int recipients_count = 0;
1098BOOL recipients_discarded = FALSE;
1099recipient_item *recipients_list = NULL;
1100int recipients_list_max = 0;
1101int recipients_max = 0;
1102BOOL recipients_max_reject = FALSE;
1103const pcre *regex_AUTH = NULL;
1104const pcre *regex_check_dns_names = NULL;
1105const pcre *regex_From = NULL;
f1513293 1106const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1107const pcre *regex_PIPELINING = NULL;
1108const pcre *regex_SIZE = NULL;
1109const pcre *regex_ismsgid = NULL;
f38917cc
JH		 1110const pcre *regex_smtp_code = NULL;
1111uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP		 1112#ifdef WHITELIST_D_MACROS
1113const pcre *regex_whitelisted_macro = NULL;
1114#endif
8523533c
TK		 1115#ifdef WITH_CONTENT_SCAN
1116uschar *regex_match_string = NULL;
1117#endif
059ec3d9
PH		 1118int remote_delivery_count = 0;
1119int remote_max_parallel = 2;
1120uschar *remote_sort_domains = NULL;
1121int retry_data_expire = 7*24*60*60;
1122int retry_interval_max = 24*60*60;
1123int retry_maximum_timeout = 0; /* set from retry config */
1124retry_config *retries = NULL;
1125uschar *return_path = NULL;
1126BOOL return_path_remove = TRUE;
1127int rewrite_existflags = 0;
f926e272
JH		 1128uschar *rfc1413_hosts = US"@[]";
1129int rfc1413_query_timeout = 0;
059ec3d9 1130/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1131uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1132uid_t root_uid = ROOT_UID;
1133
1134router_instance *routers = NULL;
1135router_instance router_defaults = {
1136 NULL, /* chain pointer */
1137 NULL, /* name */
1138 NULL, /* info */
1139 NULL, /* private options block pointer */
1140 NULL, /* driver name */
1141
1142 NULL, /* address_data */
8523533c
TK		 1143#ifdef EXPERIMENTAL_BRIGHTMAIL
1144 NULL, /* bmi_rule */
8e669ac1 1145#endif
059ec3d9
PH		 1146 NULL, /* cannot_route_message */
1147 NULL, /* condition */
1148 NULL, /* current_directory */
1149 NULL, /* debug_string */
1150 NULL, /* domains */
1151 NULL, /* errors_to */
1152 NULL, /* expand_gid */
1153 NULL, /* expand_uid */
1154 NULL, /* expand_more */
1155 NULL, /* expand_unseen */
1156 NULL, /* extra_headers */
1157 NULL, /* fallback_hosts */
1158 NULL, /* home_directory */
1159 NULL, /* ignore_target_hosts */
1160 NULL, /* local_parts */
1161 NULL, /* pass_router_name */
1162 NULL, /* prefix */
1163 NULL, /* redirect_router_name */
1164 NULL, /* remove_headers */
1165 NULL, /* require_files */
1166 NULL, /* router_home_directory */
1167 US"freeze", /* self */
1168 NULL, /* senders */
1169 NULL, /* suffix */
1170 NULL, /* translate_ip_address */
1171 NULL, /* transport_name */
1172
1173 TRUE, /* address_test */
8523533c
TK		 1174#ifdef EXPERIMENTAL_BRIGHTMAIL
1175 FALSE, /* bmi_deliver_alternate */
1176 FALSE, /* bmi_deliver_default */
1177 FALSE, /* bmi_dont_deliver */
1178#endif
059ec3d9
PH		 1179 TRUE, /* expn */
1180 FALSE, /* caseful_local_part */
1181 FALSE, /* check_local_user */
1182 FALSE, /* disable_logging */
1183 FALSE, /* fail_verify_recipient */
1184 FALSE, /* fail_verify_sender */
1185 FALSE, /* gid_set */
1186 FALSE, /* initgroups */
1187 TRUE_UNSET, /* log_as_local */
1188 TRUE, /* more */
1189 FALSE, /* pass_on_timeout */
1190 FALSE, /* prefix_optional */
1191 TRUE, /* repeat_use */
1192 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1193 FALSE, /* same_domain_copy_routing */
1194 FALSE, /* self_rewrite */
1195 FALSE, /* suffix_optional */
1196 FALSE, /* verify_only */
1197 TRUE, /* verify_recipient */
1198 TRUE, /* verify_sender */
1199 FALSE, /* uid_set */
1200 FALSE, /* unseen */
6c1c3d1d 1201 FALSE, /* dsn_lasthop */
059ec3d9
PH		 1202
1203 self_freeze, /* self_code */
1204 (uid_t)(-1), /* uid */
1205 (gid_t)(-1), /* gid */
1206
1207 NULL, /* fallback_hostlist */
1208 NULL, /* transport instance */
1209 NULL, /* pass_router */
99c1bb4e
HSHR		 1210 NULL, /* redirect_router */
1211
0539a19d 1212 { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH		 1213};
1214
181d9bf8
JH		 1215uschar *router_name = NULL;
1216
059ec3d9
PH		 1217ip_address_item *running_interfaces = NULL;
1218BOOL running_in_test_harness = FALSE;
1219
1220/* This is a weird one. The following string gets patched in the binary by the
1221script that sets up a copy of Exim for running in the test harness. It seems
1222that compilers are now clever, and share constant strings if they can.
1223Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1224make use of the end of this string in order to save space. So the patching then
8669f003 1225wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1226onto the end of the string. */
1227
1228uschar *running_status = US">>>running<<<" "\0EXTRA";
1229
1230int runrc = 0;
1231
1232uschar *search_error_message = NULL;
1233BOOL search_find_defer = FALSE;
1234uschar *self_hostname = NULL;
1235uschar *sender_address = NULL;
1236unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1237uschar *sender_address_data = NULL;
059ec3d9
PH		 1238BOOL sender_address_forced = FALSE;
1239uschar *sender_address_unrewritten = NULL;
1240uschar *sender_data = NULL;
1241unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1242uschar *sender_fullhost = NULL;
1705dd20 1243BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH		 1244uschar *sender_helo_name = NULL;
1245uschar **sender_host_aliases = &no_aliases;
1246uschar *sender_host_address = NULL;
1247uschar *sender_host_authenticated = NULL;
1248unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1249BOOL sender_host_dnssec = FALSE;
059ec3d9
PH		 1250uschar *sender_host_name = NULL;
1251int sender_host_port = 0;
1252BOOL sender_host_notsocket = FALSE;
1253BOOL sender_host_unknown = FALSE;
1254uschar *sender_ident = NULL;
1255BOOL sender_local = FALSE;
2fe1a124 1256BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1257uschar *sender_rate = NULL;
1258uschar *sender_rate_limit = NULL;
1259uschar *sender_rate_period = NULL;
059ec3d9
PH		 1260uschar *sender_rcvhost = NULL;
1261BOOL sender_set_untrusted = FALSE;
1262uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1263uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1264address_item *sender_verified_list = NULL;
1265address_item *sender_verified_failed = NULL;
1266int sender_verified_rc = -1;
1267BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1268uschar *sending_ip_address = NULL;
1269int sending_port = -1;
cd59ab18 1270SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1271uschar **sighup_argv = NULL;
846430d9 1272int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH		 1273int smtp_accept_count = 0;
1274BOOL smtp_accept_keepalive = TRUE;
1275int smtp_accept_max = 20;
1276int smtp_accept_max_nonmail= 10;
1277uschar *smtp_accept_max_nonmail_hosts = US"*";
1278int smtp_accept_max_per_connection = 1000;
1279uschar *smtp_accept_max_per_host = NULL;
1280int smtp_accept_queue = 0;
1281int smtp_accept_queue_per_connection = 10;
1282int smtp_accept_reserve = 0;
1283uschar *smtp_active_hostname = NULL;
1284BOOL smtp_authenticated = FALSE;
1f5b4c3d 1285uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1286 "Exim $version_number $tod_full"
1287 "\0<---------------Space to patch smtp_banner->";
1288BOOL smtp_batched_input = FALSE;
1289BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1290int smtp_ch_index = 0;
3ee512ff
PH		 1291uschar *smtp_cmd_argument = NULL;
1292uschar *smtp_cmd_buffer = NULL;
b4ed4da0
PH		 1293time_t smtp_connection_start = 0;
1294uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1295int smtp_connect_backlog = 20;
1296double smtp_delay_mail = 0.0;
1297double smtp_delay_rcpt = 0.0;
1298BOOL smtp_enforce_sync = TRUE;
1299FILE *smtp_in = NULL;
1300BOOL smtp_input = FALSE;
1301int smtp_load_reserve = -1;
1302int smtp_mailcmd_count = 0;
1303FILE *smtp_out = NULL;
1304uschar *smtp_etrn_command = NULL;
1305BOOL smtp_etrn_serialize = TRUE;
1306int smtp_max_synprot_errors= 3;
1307int smtp_max_unknown_commands = 3;
8f128379 1308uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1309uschar *smtp_ratelimit_hosts = NULL;
1310uschar *smtp_ratelimit_mail = NULL;
1311uschar *smtp_ratelimit_rcpt = NULL;
1312uschar *smtp_read_error = US"";
1313int smtp_receive_timeout = 5*60;
1ad6489e 1314uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH		 1315uschar *smtp_reserve_hosts = NULL;
1316BOOL smtp_return_error_details = FALSE;
1317int smtp_rlm_base = 0;
1318double smtp_rlm_factor = 0.0;
1319int smtp_rlm_limit = 0;
1320int smtp_rlm_threshold = INT_MAX;
1321int smtp_rlr_base = 0;
1322double smtp_rlr_factor = 0.0;
1323int smtp_rlr_limit = 0;
1324int smtp_rlr_threshold = INT_MAX;
1325BOOL smtp_use_pipelining = FALSE;
1326BOOL smtp_use_size = FALSE;
8c5d388a 1327#ifdef SUPPORT_I18N
9d4319df 1328uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1329#endif
8523533c
TK		 1330
1331#ifdef WITH_CONTENT_SCAN
1332uschar *spamd_address = US"127.0.0.1 783";
1333uschar *spam_bar = NULL;
1334uschar *spam_report = NULL;
c5f280e2 1335uschar *spam_action = NULL;
8523533c
TK		 1336uschar *spam_score = NULL;
1337uschar *spam_score_int = NULL;
1338#endif
1339#ifdef EXPERIMENTAL_SPF
65a7d8c3 1340uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1341uschar *spf_header_comment = NULL;
1342uschar *spf_received = NULL;
1343uschar *spf_result = NULL;
1344uschar *spf_smtp_comment = NULL;
1345#endif
1346
059ec3d9
PH		 1347BOOL split_spool_directory = FALSE;
1348uschar *spool_directory = US SPOOL_DIRECTORY
1349 "\0<--------------Space to patch spool_directory->";
8523533c
TK		 1350#ifdef EXPERIMENTAL_SRS
1351uschar *srs_config = NULL;
1352uschar *srs_db_address = NULL;
1353uschar *srs_db_key = NULL;
384152a6
TK		 1354int srs_hashlength = 6;
1355int srs_hashmin = -1;
1356int srs_maxage = 31;
8523533c
TK		 1357uschar *srs_orig_recipient = NULL;
1358uschar *srs_orig_sender = NULL;
1359uschar *srs_recipient = NULL;
384152a6 1360uschar *srs_secrets = NULL;
8523533c 1361uschar *srs_status = NULL;
384152a6
TK		 1362BOOL srs_usehash = TRUE;
1363BOOL srs_usetimestamp = TRUE;
8e669ac1 1364#endif
38a0a95f 1365BOOL strict_acl_vars = FALSE;
059ec3d9 1366int string_datestamp_offset= -1;
f1e5fef5
PP		 1367int string_datestamp_length= 0;
1368int string_datestamp_type = -1;
059ec3d9
PH		 1369BOOL strip_excess_angle_brackets = FALSE;
1370BOOL strip_trailing_dot = FALSE;
1371uschar *submission_domain = NULL;
1372BOOL submission_mode = FALSE;
2fe1a124 1373uschar *submission_name = NULL;
8800895a 1374BOOL suppress_local_fixups = FALSE;
f4ee74ac 1375BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH		 1376BOOL synchronous_delivery = FALSE;
1377BOOL syslog_duplication = TRUE;
1378int syslog_facility = LOG_MAIL;
1379uschar *syslog_processname = US"exim";
1380BOOL syslog_timestamp = TRUE;
1381uschar *system_filter = NULL;
1382
1383uschar *system_filter_directory_transport = NULL;
1384uschar *system_filter_file_transport = NULL;
1385uschar *system_filter_pipe_transport = NULL;
1386uschar *system_filter_reply_transport = NULL;
1387
1388gid_t system_filter_gid = 0;
1389BOOL system_filter_gid_set = FALSE;
79d4bc3d 1390uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1391BOOL system_filter_uid_set = FALSE;
1392BOOL system_filtering = FALSE;
1393
1394BOOL tcp_nodelay = TRUE;
5dc43717
JJ		 1395#ifdef USE_TCP_WRAPPERS
1396uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1397#endif
8669f003 1398int test_harness_load_avg = 0;
059ec3d9
PH		 1399int thismessage_size_limit = 0;
1400int timeout_frozen_after = 0;
1401BOOL timestamps_utc = FALSE;
1402
1403transport_instance *transports = NULL;
1404
1405transport_instance transport_defaults = {
1406 NULL, /* chain pointer */
1407 NULL, /* name */
1408 NULL, /* info */
1409 NULL, /* private options block pointer */
1410 NULL, /* driver name */
1411 NULL, /* setup entry point */
1412 1, /* batch_max */
1413 NULL, /* batch_id */
1414 NULL, /* home_dir */
1415 NULL, /* current_dir */
506900af 1416 NULL, /* expand-multi-domain */
059ec3d9
PH		 1417 TRUE, /* multi-domain */
1418 FALSE, /* overrides_hosts */
1419 100, /* max_addresses */
1420 500, /* connection_max_messages */
1421 FALSE, /* deliver_as_creator */
1422 FALSE, /* disable_logging */
1423 FALSE, /* initgroups */
1424 FALSE, /* uid_set */
1425 FALSE, /* gid_set */
1426 (uid_t)(-1), /* uid */
1427 (gid_t)(-1), /* gid */
1428 NULL, /* expand_uid */
1429 NULL, /* expand_gid */
1430 NULL, /* warn_message */
1431 NULL, /* shadow */
1432 NULL, /* shadow_condition */
1433 NULL, /* filter_command */
1434 NULL, /* add_headers */
1435 NULL, /* remove_headers */
1436 NULL, /* return_path */
1437 NULL, /* debug_string */
fa41615d 1438 NULL, /* max_parallel */
059ec3d9
PH		 1439 NULL, /* message_size_limit */
1440 NULL, /* headers_rewrite */
1441 NULL, /* rewrite_rules */
1442 0, /* rewrite_existflags */
1443 300, /* filter_timeout */
1444 FALSE, /* body_only */
1445 FALSE, /* delivery_date_add */
1446 FALSE, /* envelope_to_add */
1447 FALSE, /* headers_only */
1448 FALSE, /* rcpt_include_affixes */
1449 FALSE, /* return_path_add */
1450 FALSE, /* return_output */
1451 FALSE, /* return_fail_output */
1452 FALSE, /* log_output */
1453 FALSE, /* log_fail_output */
1454 FALSE, /* log_defer_output */
1455 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1456 1 nor 0 so can detect unset */
0cbf2b82 1457#ifndef DISABLE_EVENT
774ef2d7 1458 ,NULL /* event_action */
533aaf91 1459#endif
059ec3d9
PH		 1460};
1461
1462int transport_count;
181d9bf8 1463uschar *transport_name = NULL;
332f5cf3 1464int transport_newlines;
55414b25 1465const uschar **transport_filter_argv = NULL;
059ec3d9 1466int transport_filter_timeout;
2e2a30b4 1467BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1468int transport_write_timeout= 0;
1469
1470tree_node *tree_dns_fails = NULL;
1471tree_node *tree_duplicates = NULL;
1472tree_node *tree_nonrecipients = NULL;
1473tree_node *tree_unusable = NULL;
1474
1475BOOL trusted_caller = FALSE;
e2f5dc15 1476BOOL trusted_config = TRUE;
059ec3d9
PH		 1477gid_t *trusted_groups = NULL;
1478uid_t *trusted_users = NULL;
1479uschar *timezone_string = US TIMEZONE_DEFAULT;
1480
1481uschar *unknown_login = NULL;
1482uschar *unknown_username = NULL;
1483uschar *untrusted_set_sender = NULL;
1484
1485/* A regex for matching a "From_" line in an incoming message, in the form
1486
1487 From ph10 Fri Jan 5 12:35 GMT 1996
1488
1489which the "mail" commands send to the MTA (undocumented, of course), or in
1490the form
1491
1492 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1493
1494which is apparently used by some UUCPs, despite it not being in RFC 976.
1495Because of variations in time formats, just match up to the minutes. That
1496should be sufficient. Examples have been seen of time fields like 12:1:03,
1497so just require one digit for hours and minutes. The weekday is also absent
1498in some forms. */
1499
1500uschar *uucp_from_pattern = US
1501 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1502 "(?:" /* Non-extracting bracket */
1503 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1504 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1505 ")" /* End alternation */
1506 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1507
1508uschar *uucp_from_sender = US"$1";
1509
aec45841 1510uschar *verify_mode = NULL;
f45100a3 1511uschar *version_copyright =
80fea873
JH		 1512 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1513 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
059ec3d9
PH		 1514uschar *version_date = US"?";
1515uschar *version_cnumber = US"????";
1516uschar *version_string = US"?";
1517
aec45841 1518uschar *warn_message_file = NULL;
059ec3d9 1519int warning_count = 0;
aec45841
JH		 1520uschar *warnmsg_delay = NULL;
1521uschar *warnmsg_recipients = NULL;
1522BOOL write_rejectlog = TRUE;
1523
059ec3d9
PH		 1524
1525/* End of globals.c */
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