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[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
de78e2d5 86#ifdef LOOKUP_REDIS
9bdd29ad
TL		 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 150const pcre *regex_STARTTLS = NULL;
23f3dc67 151uschar *tls_advertise_hosts = US"*";
059ec3d9
PH		 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";
23f3dc67 160# ifndef DISABLE_OCSP
3f7eeb86 161uschar *tls_ocsp_file = NULL;
23f3dc67 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 169uschar *tls_verify_hosts = NULL;
23f3dc67
JH		 170#else /*!SUPPORT_TLS*/
171uschar *tls_advertise_hosts = NULL;
059ec3d9
PH		 172#endif
173
8ccd00b1 174#ifndef DISABLE_PRDR
fd98a5c6
JH		 175/* Per Recipient Data Response variables */
176BOOL prdr_enable = FALSE;
177BOOL prdr_requested = FALSE;
178const pcre *regex_PRDR = NULL;
179#endif
059ec3d9 180
8c5d388a 181#ifdef SUPPORT_I18N
7ade712c
JH		 182const pcre *regex_UTF8 = NULL;
183#endif
184
059ec3d9
PH		 185/* Input-reading functions for messages, so we can use special ones for
186incoming TCP/IP. The defaults use stdin. We never need these for any
187stand-alone tests. */
188
189#ifndef STAND_ALONE
190int (*receive_getc)(void) = stdin_getc;
191int (*receive_ungetc)(int) = stdin_ungetc;
192int (*receive_feof)(void) = stdin_feof;
193int (*receive_ferror)(void) = stdin_ferror;
58eb016e 194BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
059ec3d9
PH		 195#endif
196
197
198/* List of per-address expansion variables for clearing and saving/restoring
199when verifying one address while routing/verifying another. We have to have
200the size explicit, because it is referenced from more than one module. */
201
55414b25
JH		 202const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
203 CUSS &deliver_address_data,
204 CUSS &deliver_domain,
205 CUSS &deliver_domain_data,
206 CUSS &deliver_domain_orig,
207 CUSS &deliver_domain_parent,
208 CUSS &deliver_localpart,
209 CUSS &deliver_localpart_data,
210 CUSS &deliver_localpart_orig,
211 CUSS &deliver_localpart_parent,
212 CUSS &deliver_localpart_prefix,
213 CUSS &deliver_localpart_suffix,
214 CUSS (uschar **)(&deliver_recipients),
215 CUSS &deliver_host,
216 CUSS &deliver_home,
217 CUSS &address_file,
218 CUSS &address_pipe,
219 CUSS &self_hostname,
059ec3d9
PH		 220 NULL };
221
222int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
223
224/* General global variables */
225
71fafd95 226header_line *acl_added_headers = NULL;
059ec3d9 227tree_node *acl_anchor = NULL;
525239c1
JH		 228uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
229 NULL, NULL, NULL, NULL};
230int acl_narg = 0;
8f128379 231
059ec3d9 232uschar *acl_not_smtp = NULL;
54cdb463
PH		 233#ifdef WITH_CONTENT_SCAN
234uschar *acl_not_smtp_mime = NULL;
235#endif
45b91596 236uschar *acl_not_smtp_start = NULL;
e7568d51 237uschar *acl_removed_headers = NULL;
059ec3d9
PH		 238uschar *acl_smtp_auth = NULL;
239uschar *acl_smtp_connect = NULL;
240uschar *acl_smtp_data = NULL;
8ccd00b1 241#ifndef DISABLE_PRDR
ad07e9ad 242uschar *acl_smtp_data_prdr = US"accept";
fd98a5c6 243#endif
80a47a2c
TK		 244#ifndef DISABLE_DKIM
245uschar *acl_smtp_dkim = NULL;
246#endif
059ec3d9
PH		 247uschar *acl_smtp_etrn = NULL;
248uschar *acl_smtp_expn = NULL;
249uschar *acl_smtp_helo = NULL;
250uschar *acl_smtp_mail = NULL;
251uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 252#ifdef WITH_CONTENT_SCAN
253uschar *acl_smtp_mime = NULL;
254#endif
8f128379 255uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 256uschar *acl_smtp_predata = NULL;
257uschar *acl_smtp_quit = NULL;
258uschar *acl_smtp_rcpt = NULL;
259uschar *acl_smtp_starttls = NULL;
260uschar *acl_smtp_vrfy = NULL;
8f128379 261
059ec3d9 262BOOL acl_temp_details = FALSE;
38a0a95f
PH		 263tree_node *acl_var_c = NULL;
264tree_node *acl_var_m = NULL;
059ec3d9 265uschar *acl_verify_message = NULL;
059ec3d9
PH		 266string_item *acl_warn_logged = NULL;
267
268/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
269error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
270
271uschar *acl_wherenames[] = { US"RCPT",
272 US"MAIL",
273 US"PREDATA",
8523533c 274 US"MIME",
80a47a2c 275 US"DKIM",
059ec3d9 276 US"DATA",
8ccd00b1 277#ifndef DISABLE_PRDR
fd98a5c6
JH		 278 US"PRDR",
279#endif
059ec3d9
PH		 280 US"non-SMTP",
281 US"AUTH",
282 US"connection",
283 US"ETRN",
284 US"EXPN",
285 US"EHLO or HELO",
286 US"MAILAUTH",
45b91596 287 US"non-SMTP-start",
8f128379 288 US"NOTQUIT",
059ec3d9
PH		 289 US"QUIT",
290 US"STARTTLS",
723c72e6 291 US"VRFY",
faa05a93
JH		 292 US"delivery",
293 US"unknown"
059ec3d9
PH		 294 };
295
a5bd321b
PH		 296uschar *acl_wherecodes[] = { US"550", /* RCPT */
297 US"550", /* MAIL */
298 US"550", /* PREDATA */
299 US"550", /* MIME */
80a47a2c 300 US"550", /* DKIM */
a5bd321b 301 US"550", /* DATA */
8ccd00b1 302#ifndef DISABLE_PRDR
fd98a5c6
JH		 303 US"550", /* RCPT PRDR */
304#endif
a5bd321b
PH		 305 US"0", /* not SMTP; not relevant */
306 US"503", /* AUTH */
307 US"550", /* connect */
308 US"458", /* ETRN */
309 US"550", /* EXPN */
310 US"550", /* HELO/EHLO */
311 US"0", /* MAILAUTH; not relevant */
312 US"0", /* not SMTP; not relevant */
8f128379 313 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 314 US"0", /* QUIT; not relevant */
315 US"550", /* STARTTLS */
723c72e6 316 US"252", /* VRFY */
faa05a93 317 US"0", /* delivery; not relevant */
723c72e6 318 US"0" /* unknown; not relevant */
059ec3d9 319 };
8e669ac1 320
69358f02
PH		 321BOOL active_local_from_check = FALSE;
322BOOL active_local_sender_retain = FALSE;
9cbad13b 323BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
bc3c7bb7 324uschar *add_environment = NULL;
059ec3d9
PH		 325address_item *addr_duplicate = NULL;
326
327address_item address_defaults = {
328 NULL, /* next */
329 NULL, /* parent */
330 NULL, /* first */
331 NULL, /* dupof */
332 NULL, /* start_router */
333 NULL, /* router */
334 NULL, /* transport */
335 NULL, /* host_list */
336 NULL, /* host_used */
337 NULL, /* fallback_hosts */
338 NULL, /* reply */
339 NULL, /* retries */
340 NULL, /* address */
341 NULL, /* unique */
342 NULL, /* cc_local_part */
343 NULL, /* lc_local_part */
344 NULL, /* local_part */
345 NULL, /* prefix */
346 NULL, /* suffix */
347 NULL, /* domain */
348 NULL, /* address_retry_key */
349 NULL, /* domain_retry_key */
350 NULL, /* current_dir */
351 NULL, /* home_dir */
352 NULL, /* message */
353 NULL, /* user_message */
354 NULL, /* onetime_parent */
355 NULL, /* pipe_expandn */
356 NULL, /* return_filename */
357 NULL, /* self_hostname */
358 NULL, /* shadow_message */
895fbaf2 359#ifdef SUPPORT_TLS
059ec3d9 360 NULL, /* cipher */
9d1c15ef
JH		 361 NULL, /* ourcert */
362 NULL, /* peercert */
059ec3d9 363 NULL, /* peerdn */
018058b2 364 OCSP_NOT_REQ, /* ocsp */
895fbaf2
JH		 365#endif
366#ifdef EXPERIMENTAL_DSN_INFO
367 NULL, /* smtp_greeting */
368 NULL, /* helo_response */
369#endif
018c60d7
JH		 370 NULL, /* authenticator */
371 NULL, /* auth_id */
372 NULL, /* auth_sndr */
6c1c3d1d
WB		 373 NULL, /* dsn_orcpt */
374 0, /* dsn_flags */
375 0, /* dsn_aware */
059ec3d9
PH		 376 (uid_t)(-1), /* uid */
377 (gid_t)(-1), /* gid */
378 0, /* flags */
379 { 0 }, /* domain_cache - any larger array should be zeroed */
380 { 0 }, /* localpart_cache - ditto */
381 -1, /* mode */
382 0, /* more_errno */
383 ERRNO_UNKNOWNERROR, /* basic_errno */
384 0, /* child_count */
385 -1, /* return_file */
386 SPECIAL_NONE, /* special_action */
387 DEFER, /* transport_return */
388 { /* fields that are propagated to children */
389 NULL, /* address_data */
390 NULL, /* domain_data */
391 NULL, /* localpart_data */
392 NULL, /* errors_address */
393 NULL, /* extra_headers */
394 NULL, /* remove_headers */
384152a6
TK		 395#ifdef EXPERIMENTAL_SRS
396 NULL, /* srs_sender */
7ade712c 397#endif
8c5d388a 398#ifdef SUPPORT_I18N
7ade712c 399 FALSE, /* utf8 */
384152a6 400#endif
059ec3d9
PH		 401 }
402};
403
404uschar *address_file = NULL;
405uschar *address_pipe = NULL;
406BOOL address_test_mode = FALSE;
407tree_node *addresslist_anchor = NULL;
408int addresslist_count = 0;
409gid_t *admin_groups = NULL;
410BOOL admin_user = FALSE;
c46782ef 411BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH		 412BOOL allow_domain_literals = FALSE;
413BOOL allow_mx_to_ip = FALSE;
414BOOL allow_unqualified_recipient = TRUE; /* For local messages */
415BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
416BOOL allow_utf8_domains = FALSE;
2d07a215 417uschar *authenticated_fail_id = NULL;
059ec3d9
PH		 418uschar *authenticated_id = NULL;
419uschar *authenticated_sender = NULL;
420BOOL authentication_failed = FALSE;
421auth_instance *auths = NULL;
422uschar *auth_advertise_hosts = US"*";
423auth_instance auth_defaults = {
424 NULL, /* chain pointer */
425 NULL, /* name */
426 NULL, /* info */
427 NULL, /* private options block pointer */
428 NULL, /* driver_name */
429 NULL, /* advertise_condition */
6c512171 430 NULL, /* client_condition */
059ec3d9
PH		 431 NULL, /* public_name */
432 NULL, /* set_id */
c8e2fc1e 433 NULL, /* set_client_id */
059ec3d9
PH		 434 NULL, /* server_mail_auth_condition */
435 NULL, /* server_debug_string */
16ff981e 436 NULL, /* server_condition */
059ec3d9
PH		 437 FALSE, /* client */
438 FALSE, /* server */
439 FALSE /* advertised */
440};
441
442uschar *auth_defer_msg = US"reason not recorded";
443uschar *auth_defer_user_msg = US"";
f78eb7c6 444uschar *auth_vars[AUTH_VARS];
059ec3d9 445int auto_thaw = 0;
8523533c 446#ifdef WITH_CONTENT_SCAN
9e949f00 447BOOL av_failed = FALSE;
8523533c
TK		 448uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
449#endif
059ec3d9
PH		 450
451BOOL background_daemon = TRUE;
9a799bc0
PH		 452
453#if BASE_62 == 62
059ec3d9
PH		 454uschar *base62_chars=
455 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 456#else
457uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
458#endif
459
059ec3d9
PH		 460uschar *bi_command = NULL;
461uschar *big_buffer = NULL;
462int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 463#ifdef EXPERIMENTAL_BRIGHTMAIL
464uschar *bmi_alt_location = NULL;
465uschar *bmi_base64_tracker_verdict = NULL;
466uschar *bmi_base64_verdict = NULL;
467uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
468int bmi_deliver = 1;
469int bmi_run = 0;
470uschar *bmi_verdicts = NULL;
471#endif
939c3e34 472int body_8bitmime = 0;
059ec3d9
PH		 473int body_linecount = 0;
474int body_zerocount = 0;
475uschar *bounce_message_file = NULL;
476uschar *bounce_message_text = NULL;
477uschar *bounce_recipient = NULL;
478BOOL bounce_return_body = TRUE;
62b7cd08 479int bounce_return_linesize_limit = 998;
059ec3d9
PH		 480BOOL bounce_return_message = TRUE;
481int bounce_return_size_limit = 100*1024;
482uschar *bounce_sender_authentication = NULL;
483int bsmtp_transaction_linecount = 0;
484
055e2cb4 485uschar *callout_address = NULL;
059ec3d9
PH		 486int callout_cache_domain_positive_expire = 7*24*60*60;
487int callout_cache_domain_negative_expire = 3*60*60;
488int callout_cache_positive_expire = 24*60*60;
489int callout_cache_negative_expire = 2*60*60;
490uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 491uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
059ec3d9
PH		 492int check_log_inodes = 0;
493int check_log_space = 0;
a0d6ba8a 494BOOL check_rfc2047_length = TRUE;
059ec3d9
PH		 495int check_spool_inodes = 0;
496int check_spool_space = 0;
6f123593
JH		 497uschar *client_authenticator = NULL;
498uschar *client_authenticated_id = NULL;
c8e2fc1e 499uschar *client_authenticated_sender = NULL;
059ec3d9
PH		 500int clmacro_count = 0;
501uschar *clmacros[MAX_CLMACROS];
502BOOL config_changed = FALSE;
503FILE *config_file = NULL;
504uschar *config_filename = NULL;
505int config_lineno = 0;
35edf2ff
PH		 506#ifdef CONFIGURE_GROUP
507gid_t config_gid = CONFIGURE_GROUP;
508#endif
059ec3d9
PH		 509uschar *config_main_filelist = US CONFIGURE_FILE
510 "\0<-----------Space to patch configure_filename->";
511uschar *config_main_filename = NULL;
98b8312f 512uschar *config_main_directory = NULL;
059ec3d9
PH		 513
514#ifdef CONFIGURE_OWNER
515uid_t config_uid = CONFIGURE_OWNER;
516#endif
517
518int connection_max_messages= -1;
519uschar *continue_hostname = NULL;
520uschar *continue_host_address = NULL;
521BOOL continue_more = FALSE;
522int continue_sequence = 1;
523uschar *continue_transport = NULL;
524
e5a9dba6 525uschar *csa_status = NULL;
5032d1cf
JH		 526cut_t cutthrough = {
527 FALSE, /* delivery: when to attempt */
528 -1, /* fd: open connection */
529 0, /* nrcpt: number of addresses */
530};
e5a9dba6 531
059ec3d9
PH		 532BOOL daemon_listen = FALSE;
533uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 534int daemon_startup_retries = 9;
535int daemon_startup_sleep = 30;
6a8f9482
TK		 536
537#ifdef EXPERIMENTAL_DCC
538BOOL dcc_direct_add_header = FALSE;
539uschar *dcc_header = NULL;
540uschar *dcc_result = NULL;
541uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
542uschar *dccifd_options = US"header";
543#endif
544
3d235903 545BOOL debug_daemon = FALSE;
059ec3d9
PH		 546int debug_fd = -1;
547FILE *debug_file = NULL;
6c6d6e48
TF		 548int debug_notall[] = {
549 Di_memory,
550 -1
059ec3d9 551};
6c6d6e48
TF		 552bit_table debug_options[] = { /* must be in alphabetical order */
553 BIT_TABLE(D, acl),
554 BIT_TABLE(D, all),
555 BIT_TABLE(D, auth),
556 BIT_TABLE(D, deliver),
557 BIT_TABLE(D, dns),
558 BIT_TABLE(D, dnsbl),
559 BIT_TABLE(D, exec),
560 BIT_TABLE(D, expand),
561 BIT_TABLE(D, filter),
562 BIT_TABLE(D, hints_lookup),
563 BIT_TABLE(D, host_lookup),
564 BIT_TABLE(D, ident),
565 BIT_TABLE(D, interface),
566 BIT_TABLE(D, lists),
567 BIT_TABLE(D, load),
568 BIT_TABLE(D, local_scan),
569 BIT_TABLE(D, lookup),
570 BIT_TABLE(D, memory),
571 BIT_TABLE(D, pid),
572 BIT_TABLE(D, process_info),
573 BIT_TABLE(D, queue_run),
574 BIT_TABLE(D, receive),
575 BIT_TABLE(D, resolver),
576 BIT_TABLE(D, retry),
577 BIT_TABLE(D, rewrite),
578 BIT_TABLE(D, route),
579 BIT_TABLE(D, timestamp),
580 BIT_TABLE(D, tls),
581 BIT_TABLE(D, transport),
582 BIT_TABLE(D, uid),
583 BIT_TABLE(D, verify),
584};
585int debug_options_count = nelem(debug_options);
586
059ec3d9
PH		 587unsigned int debug_selector = 0;
588int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 589uschar *delay_warning_condition=
590 US"${if or {"
e85a7ad5 591 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 592 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
593 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
594 "} {no}{yes}}";
059ec3d9
PH		 595BOOL delivery_date_remove = TRUE;
596uschar *deliver_address_data = NULL;
597int deliver_datafile = -1;
55414b25 598const uschar *deliver_domain = NULL;
059ec3d9 599uschar *deliver_domain_data = NULL;
55414b25
JH		 600const uschar *deliver_domain_orig = NULL;
601const uschar *deliver_domain_parent = NULL;
059ec3d9
PH		 602BOOL deliver_drop_privilege = FALSE;
603BOOL deliver_firsttime = FALSE;
604BOOL deliver_force = FALSE;
605BOOL deliver_freeze = FALSE;
19050083 606time_t deliver_frozen_at = 0;
059ec3d9 607uschar *deliver_home = NULL;
55414b25
JH		 608const uschar *deliver_host = NULL;
609const uschar *deliver_host_address = NULL;
a7538db1 610int deliver_host_port = 0;
059ec3d9
PH		 611uschar *deliver_in_buffer = NULL;
612ino_t deliver_inode = 0;
613uschar *deliver_localpart = NULL;
614uschar *deliver_localpart_data = NULL;
615uschar *deliver_localpart_orig = NULL;
616uschar *deliver_localpart_parent = NULL;
617uschar *deliver_localpart_prefix = NULL;
618uschar *deliver_localpart_suffix = NULL;
619BOOL deliver_force_thaw = FALSE;
620BOOL deliver_manual_thaw = FALSE;
621uschar *deliver_out_buffer = NULL;
622int deliver_queue_load_max = -1;
623address_item *deliver_recipients = NULL;
624uschar *deliver_selectstring = NULL;
625BOOL deliver_selectstring_regex = FALSE;
626uschar *deliver_selectstring_sender = NULL;
627BOOL deliver_selectstring_sender_regex = FALSE;
8523533c
TK		 628#ifdef WITH_OLD_DEMIME
629int demime_errorlevel = 0;
630int demime_ok = 0;
631uschar *demime_reason = NULL;
632#endif
4c590bd1 633BOOL disable_callout_flush = FALSE;
047bdd8c 634BOOL disable_delay_flush = FALSE;
54fc8428
PH		 635#ifdef ENABLE_DISABLE_FSYNC
636BOOL disable_fsync = FALSE;
637#endif
7e66e54d 638BOOL disable_ipv6 = FALSE;
059ec3d9
PH		 639BOOL disable_logging = FALSE;
640
80a47a2c 641#ifndef DISABLE_DKIM
abe1010c 642BOOL dkim_collect_input = FALSE;
2df588c9 643uschar *dkim_cur_signer = NULL;
abe1010c
JH		 644BOOL dkim_disable_verify = FALSE;
645int dkim_key_length = 0;
9e5d6b55 646uschar *dkim_signers = NULL;
f7572e5a
TK		 647uschar *dkim_signing_domain = NULL;
648uschar *dkim_signing_selector = NULL;
9e5d6b55 649uschar *dkim_verify_signers = US"$dkim_signers";
f7572e5a 650#endif
4840604e 651#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 652BOOL dmarc_has_been_checked = FALSE;
4840604e 653uschar *dmarc_ar_header = NULL;
8c8b8274 654uschar *dmarc_domain_policy = NULL;
4840604e
TL		 655uschar *dmarc_forensic_sender = NULL;
656uschar *dmarc_history_file = NULL;
657uschar *dmarc_status = NULL;
658uschar *dmarc_status_text = NULL;
659uschar *dmarc_tld_file = NULL;
660uschar *dmarc_used_domain = NULL;
661BOOL dmarc_disable_verify = FALSE;
662BOOL dmarc_enable_forensic = FALSE;
663#endif
f7572e5a 664
059ec3d9 665uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH		 666int dns_csa_search_limit = 5;
667BOOL dns_csa_use_reverse = TRUE;
e682570f
TL		 668#ifdef EXPERIMENTAL_DANE
669int dns_dane_ok = -1;
670#endif
059ec3d9
PH		 671uschar *dns_ipv4_lookup = NULL;
672int dns_retrans = 0;
673int dns_retry = 0;
0fbd9bff 674int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 675uschar *dns_trust_aa = NULL;
e97d1f08 676int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 677uschar *dnslist_domain = NULL;
93655c46 678uschar *dnslist_matched = NULL;
059ec3d9
PH		 679uschar *dnslist_text = NULL;
680uschar *dnslist_value = NULL;
681tree_node *domainlist_anchor = NULL;
682int domainlist_count = 0;
683BOOL dont_deliver = FALSE;
684BOOL dot_ends = TRUE;
685BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 686uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH		 687
688BOOL enable_dollar_recipients = FALSE;
689BOOL envelope_to_remove = TRUE;
690int errno_quota = ERRNO_QUOTA;
691uschar *errors_copy = NULL;
692int error_handling = ERRORS_SENDER;
693uschar *errors_reply_to = NULL;
694int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 695#ifndef DISABLE_EVENT
723fe533
JH		 696uschar *event_action = NULL; /* expansion for delivery events */
697uschar *event_data = NULL; /* auxilary data variable for event */
698int event_defer_errno = 0;
55414b25 699const uschar *event_name = NULL; /* event name variable */
723fe533
JH		 700#endif
701
059ec3d9
PH		 702
703gid_t exim_gid = EXIM_GID;
704BOOL exim_gid_set = TRUE; /* This gid is always set */
705uschar *exim_path = US BIN_DIRECTORY "/exim"
706 "\0<---------------Space to patch exim_path->";
707uid_t exim_uid = EXIM_UID;
708BOOL exim_uid_set = TRUE; /* This uid is always set */
709int expand_forbid = 0;
710int expand_nlength[EXPAND_MAXN+1];
711int expand_nmax = -1;
712uschar *expand_nstring[EXPAND_MAXN+1];
713BOOL expand_string_forcedfail = FALSE;
714uschar *expand_string_message;
715BOOL extract_addresses_remove_arguments = TRUE;
716uschar *extra_local_interfaces = NULL;
717
29aba418 718int fake_response = OK;
0e22dfd1
PH		 719uschar *fake_response_text = US"Your message has been rejected but is "
720 "being kept for evaluation.\nIf it was a "
721 "legitimate message, it may still be "
722 "delivered to the target recipient(s).";
059ec3d9
PH		 723int filter_n[FILTER_VARIABLE_COUNT];
724BOOL filter_running = FALSE;
725int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 726int filter_test = FTEST_NONE;
727uschar *filter_test_sfile = NULL;
728uschar *filter_test_ufile = NULL;
059ec3d9
PH		 729uschar *filter_thisaddress = NULL;
730int finduser_retries = 0;
8523533c
TK		 731#ifdef WITH_OLD_DEMIME
732uschar *found_extension = NULL;
733#endif
059ec3d9
PH		 734uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
735uschar *freeze_tell = NULL;
6a3f1455 736uschar *freeze_tell_config = NULL;
059ec3d9
PH		 737uschar *fudged_queue_times = US"";
738
739uschar *gecos_name = NULL;
740uschar *gecos_pattern = NULL;
741rewrite_rule *global_rewrite_rules = NULL;
742
743uschar *headers_charset = US HEADERS_CHARSET;
744int header_insert_maxlen = 64 * 1024;
745header_line *header_last = NULL;
746header_line *header_list = NULL;
747int header_maxsize = HEADER_MAXSIZE;
748int header_line_maxsize = 0;
749
750header_name header_names[] = {
751 { US"bcc", 3, TRUE, htype_bcc },
752 { US"cc", 2, TRUE, htype_cc },
753 { US"date", 4, TRUE, htype_date },
754 { US"delivery-date", 13, FALSE, htype_delivery_date },
755 { US"envelope-to", 11, FALSE, htype_envelope_to },
756 { US"from", 4, TRUE, htype_from },
757 { US"message-id", 10, TRUE, htype_id },
758 { US"received", 8, FALSE, htype_received },
759 { US"reply-to", 8, FALSE, htype_reply_to },
760 { US"return-path", 11, FALSE, htype_return_path },
761 { US"sender", 6, TRUE, htype_sender },
762 { US"subject", 7, FALSE, htype_subject },
763 { US"to", 2, TRUE, htype_to }
764};
765
766int header_names_size = sizeof(header_names)/sizeof(header_name);
767
768BOOL header_rewritten = FALSE;
769uschar *helo_accept_junk_hosts = NULL;
770uschar *helo_allow_chars = US"";
771uschar *helo_lookup_domains = US"@ : @[]";
772uschar *helo_try_verify_hosts = NULL;
773BOOL helo_verified = FALSE;
d7b47fd0 774BOOL helo_verify_failed = FALSE;
059ec3d9 775uschar *helo_verify_hosts = NULL;
1ba28e2b 776const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH		 777uschar *hold_domains = NULL;
778BOOL host_checking = FALSE;
779BOOL host_checking_callout = FALSE;
780uschar *host_data = NULL;
781BOOL host_find_failed_syntax= FALSE;
782uschar *host_lookup = NULL;
b08b24c8 783BOOL host_lookup_deferred = FALSE;
059ec3d9
PH		 784BOOL host_lookup_failed = FALSE;
785uschar *host_lookup_order = US"bydns:byaddr";
786uschar *host_lookup_msg = US"";
787int host_number = 0;
788uschar *host_number_string = NULL;
789uschar *host_reject_connection = NULL;
790tree_node *hostlist_anchor = NULL;
791int hostlist_count = 0;
792uschar *hosts_treat_as_local = NULL;
793uschar *hosts_connection_nolog = NULL;
794
795int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
796BOOL ignore_fromline_local = FALSE;
797uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP		 798BOOL inetd_wait_mode = FALSE;
799int inetd_wait_timeout = -1;
3615fa9a 800uschar *initial_cwd = NULL;
059ec3d9
PH		 801uschar *interface_address = NULL;
802int interface_port = -1;
803BOOL is_inetd = FALSE;
0ce9abe6 804uschar *iterate_item = NULL;
059ec3d9
PH		 805
806int journal_fd = -1;
807
bc3c7bb7
HSHR		 808uschar *keep_environment = NULL;
809
059ec3d9
PH		 810int keep_malformed = 4*24*60*60; /* 4 days */
811
812uschar *eldap_dn = NULL;
813int load_average = -2;
814BOOL local_error_message = FALSE;
815BOOL local_from_check = TRUE;
816uschar *local_from_prefix = NULL;
817uschar *local_from_suffix = NULL;
818
819#if HAVE_IPV6
820uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
821#else
822uschar *local_interfaces = US"0.0.0.0";
823#endif
824
825uschar *local_scan_data = NULL;
826int local_scan_timeout = 5*60;
827BOOL local_sender_retain = FALSE;
828gid_t local_user_gid = (gid_t)(-1);
829uid_t local_user_uid = (uid_t)(-1);
830
831tree_node *localpartlist_anchor= NULL;
832int localpartlist_count = 0;
833uschar *log_buffer = NULL;
6c6d6e48
TF		 834
835int log_default[] = { /* for initializing log_selector */
836 Li_acl_warn_skipped,
837 Li_connection_reject,
838 Li_delay_delivery,
839 Li_dnslist_defer,
840 Li_etrn,
841 Li_host_lookup_failed,
842 Li_lost_incoming_connection,
ac881e27 843 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF		 844 Li_queue_run,
845 Li_rejected_header,
846 Li_retry_defer,
847 Li_sender_verify_fail,
848 Li_size_reject,
849 Li_skip_delivery,
850 Li_smtp_confirmation,
851 Li_tls_certificate_verified,
852 Li_tls_cipher,
853 -1
854};
855
059ec3d9
PH		 856uschar *log_file_path = US LOG_FILE_PATH
857 "\0<--------------Space to patch log_file_path->";
858
6c6d6e48
TF		 859int log_notall[] = {
860 -1
861};
862bit_table log_options[] = { /* must be in alphabetical order */
863 BIT_TABLE(L, 8bitmime),
864 BIT_TABLE(L, acl_warn_skipped),
865 BIT_TABLE(L, address_rewrite),
866 BIT_TABLE(L, all),
867 BIT_TABLE(L, all_parents),
868 BIT_TABLE(L, arguments),
869 BIT_TABLE(L, connection_reject),
870 BIT_TABLE(L, delay_delivery),
871 BIT_TABLE(L, deliver_time),
872 BIT_TABLE(L, delivery_size),
873 BIT_TABLE(L, dnslist_defer),
874 BIT_TABLE(L, etrn),
875 BIT_TABLE(L, host_lookup_failed),
876 BIT_TABLE(L, ident_timeout),
877 BIT_TABLE(L, incoming_interface),
878 BIT_TABLE(L, incoming_port),
879 BIT_TABLE(L, lost_incoming_connection),
ac881e27 880 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF		 881 BIT_TABLE(L, outgoing_port),
882 BIT_TABLE(L, pid),
e6d2a989 883#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
6c6d6e48
TF		 884 BIT_TABLE(L, proxy),
885#endif
886 BIT_TABLE(L, queue_run),
887 BIT_TABLE(L, queue_time),
888 BIT_TABLE(L, queue_time_overall),
889 BIT_TABLE(L, received_recipients),
890 BIT_TABLE(L, received_sender),
891 BIT_TABLE(L, rejected_header),
892 { US"rejected_headers", Li_rejected_header },
893 BIT_TABLE(L, retry_defer),
894 BIT_TABLE(L, return_path_on_delivery),
895 BIT_TABLE(L, sender_on_delivery),
896 BIT_TABLE(L, sender_verify_fail),
897 BIT_TABLE(L, size_reject),
898 BIT_TABLE(L, skip_delivery),
899 BIT_TABLE(L, smtp_confirmation),
900 BIT_TABLE(L, smtp_connection),
901 BIT_TABLE(L, smtp_incomplete_transaction),
902 BIT_TABLE(L, smtp_mailauth),
903 BIT_TABLE(L, smtp_no_mail),
904 BIT_TABLE(L, smtp_protocol_error),
905 BIT_TABLE(L, smtp_syntax_error),
906 BIT_TABLE(L, subject),
907 BIT_TABLE(L, tls_certificate_verified),
908 BIT_TABLE(L, tls_cipher),
909 BIT_TABLE(L, tls_peerdn),
910 BIT_TABLE(L, tls_sni),
911 BIT_TABLE(L, unknown_in_list),
059ec3d9 912};
6c6d6e48 913int log_options_count = nelem(log_options);
059ec3d9 914
6ea85e9a 915int log_reject_target = 0;
6c6d6e48 916unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH		 917uschar *log_selector_string = NULL;
918FILE *log_stderr = NULL;
919BOOL log_testing_mode = FALSE;
920BOOL log_timezone = FALSE;
921uschar *login_sender_address = NULL;
4e0983dc 922uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH		 923int lookup_open_max = 25;
924uschar *lookup_value = NULL;
925
926macro_item *macros = NULL;
927uschar *mailstore_basename = NULL;
8523533c
TK		 928#ifdef WITH_CONTENT_SCAN
929uschar *malware_name = NULL; /* Virus Name */
930#endif
d677b2f2 931int max_received_linelength= 0;
059ec3d9
PH		 932int max_username_length = 0;
933int message_age = 0;
934uschar *message_body = NULL;
935uschar *message_body_end = NULL;
ddea74fa 936BOOL message_body_newlines = FALSE;
059ec3d9
PH		 937int message_body_size = 0;
938int message_body_visible = 500;
939int message_ended = END_NOTSTARTED;
940uschar *message_headers = NULL;
941uschar *message_id;
942uschar *message_id_domain = NULL;
943uschar *message_id_text = NULL;
944struct timeval message_id_tv = { 0, 0 };
945uschar message_id_option[MESSAGE_ID_LENGTH + 3];
946uschar *message_id_external;
947int message_linecount = 0;
948BOOL message_logs = TRUE;
949int message_size = 0;
950uschar *message_size_limit = US"50M";
8c5d388a 951#ifdef SUPPORT_I18N
eb02f5df 952BOOL message_smtputf8 = FALSE;
3c8b3577 953int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 954#endif
059ec3d9
PH		 955uschar message_subdir[2] = { 0, 0 };
956uschar *message_reference = NULL;
8523533c
TK		 957
958/* MIME ACL expandables */
959#ifdef WITH_CONTENT_SCAN
f7b63901 960int mime_anomaly_level = 0;
1ba28e2b 961const uschar *mime_anomaly_text = NULL;
8523533c
TK		 962uschar *mime_boundary = NULL;
963uschar *mime_charset = NULL;
964uschar *mime_content_description = NULL;
965uschar *mime_content_disposition = NULL;
966uschar *mime_content_id = NULL;
967unsigned int mime_content_size = 0;
968uschar *mime_content_transfer_encoding = NULL;
969uschar *mime_content_type = NULL;
970uschar *mime_decoded_filename = NULL;
971uschar *mime_filename = NULL;
972int mime_is_multipart = 0;
973int mime_is_coverletter = 0;
974int mime_is_rfc822 = 0;
975int mime_part_count = -1;
976#endif
977
059ec3d9
PH		 978BOOL mua_wrapper = FALSE;
979
980uid_t *never_users = NULL;
8523533c
TK		 981#ifdef WITH_CONTENT_SCAN
982BOOL no_mbox_unspool = FALSE;
983#endif
059ec3d9
PH		 984BOOL no_multiline_responses = FALSE;
985
986uid_t original_euid;
987gid_t originator_gid;
988uschar *originator_login = NULL;
989uschar *originator_name = NULL;
990uid_t originator_uid;
991uschar *override_local_interfaces = NULL;
992uschar *override_pid_file_path = NULL;
993
994BOOL parse_allow_group = FALSE;
995BOOL parse_found_group = FALSE;
996uschar *percent_hack_domains = NULL;
997uschar *pid_file_path = US PID_FILE_PATH
998 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 999BOOL pipelining_enable = TRUE;
059ec3d9
PH		 1000uschar *pipelining_advertise_hosts = US"*";
1001BOOL preserve_message_logs = FALSE;
1002uschar *primary_hostname = NULL;
1003BOOL print_topbitchars = FALSE;
1004uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1005int process_info_len = 0;
059ec3d9
PH		 1006uschar *process_log_path = NULL;
1007BOOL prod_requires_admin = TRUE;
a3c86431 1008
e6d2a989 1009#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 1010uschar *hosts_proxy = US"";
e6d2a989
JH		 1011uschar *proxy_external_address = US"";
1012int proxy_external_port = 0;
1013uschar *proxy_local_address = US"";
1014int proxy_local_port = 0;
a3c86431
TL		 1015BOOL proxy_session = FALSE;
1016BOOL proxy_session_failed = FALSE;
1017#endif
1018
fffda43a
TK		 1019uschar *prvscheck_address = NULL;
1020uschar *prvscheck_keynum = NULL;
1021uschar *prvscheck_result = NULL;
1022
059ec3d9 1023
55414b25 1024const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH		 1025uschar *qualify_domain_sender = NULL;
1026BOOL queue_2stage = FALSE;
1027uschar *queue_domains = NULL;
1028int queue_interval = -1;
1029BOOL queue_list_requires_admin = TRUE;
1030BOOL queue_only = FALSE;
1031uschar *queue_only_file = NULL;
1032int queue_only_load = -1;
8669f003 1033BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 1034BOOL queue_only_override = TRUE;
1035BOOL queue_only_policy = FALSE;
1036BOOL queue_run_first_delivery = FALSE;
1037BOOL queue_run_force = FALSE;
1038BOOL queue_run_in_order = FALSE;
1039BOOL queue_run_local = FALSE;
1040int queue_run_max = 5;
1041pid_t queue_run_pid = (pid_t)0;
1042int queue_run_pipe = -1;
1043BOOL queue_running = FALSE;
1044BOOL queue_smtp = FALSE;
1045uschar *queue_smtp_domains = NULL;
1046
1047unsigned int random_seed = 0;
fe0dab11 1048tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 1049tree_node *ratelimiters_conn = NULL;
1050tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 1051uschar *raw_active_hostname = NULL;
1052uschar *raw_sender = NULL;
1053uschar **raw_recipients = NULL;
1054int raw_recipients_count = 0;
1055
1056int rcpt_count = 0;
1057int rcpt_fail_count = 0;
1058int rcpt_defer_count = 0;
1059gid_t real_gid;
1060uid_t real_uid;
1061BOOL really_exim = TRUE;
1062BOOL receive_call_bombout = FALSE;
1063int receive_linecount = 0;
1064int receive_messagecount = 0;
1065int receive_timeout = 0;
1066int received_count = 0;
1067uschar *received_for = NULL;
1068
1069/* This is the default text for Received headers generated by Exim. The
1070date will be automatically added on the end. */
1071
1072uschar *received_header_text = US
1073 "Received: "
1074 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1075 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 1076 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1077 "by $primary_hostname "
1078 "${if def:received_protocol {with $received_protocol}} "
1079 #ifdef SUPPORT_TLS
1080 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1081 #endif
1082 "(Exim $version_number)\n\t"
3e46c1aa 1083 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1084 "id $message_exim_id"
059ec3d9
PH		 1085 "${if def:received_for {\n\tfor $received_for}}"
1086 "\0<---------------Space to patch received_header_text->";
1087
1088int received_headers_max = 30;
1089uschar *received_protocol = NULL;
1090int received_time = 0;
1091uschar *recipient_data = NULL;
1092uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1093uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 1094int recipients_count = 0;
1095BOOL recipients_discarded = FALSE;
1096recipient_item *recipients_list = NULL;
1097int recipients_list_max = 0;
1098int recipients_max = 0;
1099BOOL recipients_max_reject = FALSE;
1100const pcre *regex_AUTH = NULL;
1101const pcre *regex_check_dns_names = NULL;
1102const pcre *regex_From = NULL;
f1513293 1103const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1104const pcre *regex_PIPELINING = NULL;
1105const pcre *regex_SIZE = NULL;
1106const pcre *regex_ismsgid = NULL;
f38917cc
JH		 1107const pcre *regex_smtp_code = NULL;
1108uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP		 1109#ifdef WHITELIST_D_MACROS
1110const pcre *regex_whitelisted_macro = NULL;
1111#endif
8523533c
TK		 1112#ifdef WITH_CONTENT_SCAN
1113uschar *regex_match_string = NULL;
1114#endif
059ec3d9
PH		 1115int remote_delivery_count = 0;
1116int remote_max_parallel = 2;
1117uschar *remote_sort_domains = NULL;
1118int retry_data_expire = 7*24*60*60;
1119int retry_interval_max = 24*60*60;
1120int retry_maximum_timeout = 0; /* set from retry config */
1121retry_config *retries = NULL;
1122uschar *return_path = NULL;
1123BOOL return_path_remove = TRUE;
1124int rewrite_existflags = 0;
f926e272
JH		 1125uschar *rfc1413_hosts = US"@[]";
1126int rfc1413_query_timeout = 0;
059ec3d9 1127/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1128uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1129uid_t root_uid = ROOT_UID;
1130
1131router_instance *routers = NULL;
1132router_instance router_defaults = {
1133 NULL, /* chain pointer */
1134 NULL, /* name */
1135 NULL, /* info */
1136 NULL, /* private options block pointer */
1137 NULL, /* driver name */
1138
1139 NULL, /* address_data */
8523533c
TK		 1140#ifdef EXPERIMENTAL_BRIGHTMAIL
1141 NULL, /* bmi_rule */
8e669ac1 1142#endif
059ec3d9
PH		 1143 NULL, /* cannot_route_message */
1144 NULL, /* condition */
1145 NULL, /* current_directory */
1146 NULL, /* debug_string */
1147 NULL, /* domains */
1148 NULL, /* errors_to */
1149 NULL, /* expand_gid */
1150 NULL, /* expand_uid */
1151 NULL, /* expand_more */
1152 NULL, /* expand_unseen */
1153 NULL, /* extra_headers */
1154 NULL, /* fallback_hosts */
1155 NULL, /* home_directory */
1156 NULL, /* ignore_target_hosts */
1157 NULL, /* local_parts */
1158 NULL, /* pass_router_name */
1159 NULL, /* prefix */
1160 NULL, /* redirect_router_name */
1161 NULL, /* remove_headers */
1162 NULL, /* require_files */
1163 NULL, /* router_home_directory */
1164 US"freeze", /* self */
1165 NULL, /* senders */
1166 NULL, /* suffix */
1167 NULL, /* translate_ip_address */
1168 NULL, /* transport_name */
1169
1170 TRUE, /* address_test */
8523533c
TK		 1171#ifdef EXPERIMENTAL_BRIGHTMAIL
1172 FALSE, /* bmi_deliver_alternate */
1173 FALSE, /* bmi_deliver_default */
1174 FALSE, /* bmi_dont_deliver */
1175#endif
059ec3d9
PH		 1176 TRUE, /* expn */
1177 FALSE, /* caseful_local_part */
1178 FALSE, /* check_local_user */
1179 FALSE, /* disable_logging */
1180 FALSE, /* fail_verify_recipient */
1181 FALSE, /* fail_verify_sender */
1182 FALSE, /* gid_set */
1183 FALSE, /* initgroups */
1184 TRUE_UNSET, /* log_as_local */
1185 TRUE, /* more */
1186 FALSE, /* pass_on_timeout */
1187 FALSE, /* prefix_optional */
1188 TRUE, /* repeat_use */
1189 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1190 FALSE, /* same_domain_copy_routing */
1191 FALSE, /* self_rewrite */
1192 FALSE, /* suffix_optional */
1193 FALSE, /* verify_only */
1194 TRUE, /* verify_recipient */
1195 TRUE, /* verify_sender */
1196 FALSE, /* uid_set */
1197 FALSE, /* unseen */
6c1c3d1d 1198 FALSE, /* dsn_lasthop */
059ec3d9
PH		 1199
1200 self_freeze, /* self_code */
1201 (uid_t)(-1), /* uid */
1202 (gid_t)(-1), /* gid */
1203
1204 NULL, /* fallback_hostlist */
1205 NULL, /* transport instance */
1206 NULL, /* pass_router */
99c1bb4e
HSHR		 1207 NULL, /* redirect_router */
1208
0539a19d 1209 { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH		 1210};
1211
181d9bf8
JH		 1212uschar *router_name = NULL;
1213
059ec3d9
PH		 1214ip_address_item *running_interfaces = NULL;
1215BOOL running_in_test_harness = FALSE;
1216
1217/* This is a weird one. The following string gets patched in the binary by the
1218script that sets up a copy of Exim for running in the test harness. It seems
1219that compilers are now clever, and share constant strings if they can.
1220Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1221make use of the end of this string in order to save space. So the patching then
8669f003 1222wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1223onto the end of the string. */
1224
1225uschar *running_status = US">>>running<<<" "\0EXTRA";
1226
1227int runrc = 0;
1228
1229uschar *search_error_message = NULL;
1230BOOL search_find_defer = FALSE;
1231uschar *self_hostname = NULL;
1232uschar *sender_address = NULL;
1233unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1234uschar *sender_address_data = NULL;
059ec3d9
PH		 1235BOOL sender_address_forced = FALSE;
1236uschar *sender_address_unrewritten = NULL;
1237uschar *sender_data = NULL;
1238unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1239uschar *sender_fullhost = NULL;
1705dd20 1240BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH		 1241uschar *sender_helo_name = NULL;
1242uschar **sender_host_aliases = &no_aliases;
1243uschar *sender_host_address = NULL;
1244uschar *sender_host_authenticated = NULL;
1245unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1246BOOL sender_host_dnssec = FALSE;
059ec3d9
PH		 1247uschar *sender_host_name = NULL;
1248int sender_host_port = 0;
1249BOOL sender_host_notsocket = FALSE;
1250BOOL sender_host_unknown = FALSE;
1251uschar *sender_ident = NULL;
1252BOOL sender_local = FALSE;
2fe1a124 1253BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1254uschar *sender_rate = NULL;
1255uschar *sender_rate_limit = NULL;
1256uschar *sender_rate_period = NULL;
059ec3d9
PH		 1257uschar *sender_rcvhost = NULL;
1258BOOL sender_set_untrusted = FALSE;
1259uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1260uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1261address_item *sender_verified_list = NULL;
1262address_item *sender_verified_failed = NULL;
1263int sender_verified_rc = -1;
1264BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1265uschar *sending_ip_address = NULL;
1266int sending_port = -1;
cd59ab18 1267SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1268uschar **sighup_argv = NULL;
846430d9 1269int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH		 1270int smtp_accept_count = 0;
1271BOOL smtp_accept_keepalive = TRUE;
1272int smtp_accept_max = 20;
1273int smtp_accept_max_nonmail= 10;
1274uschar *smtp_accept_max_nonmail_hosts = US"*";
1275int smtp_accept_max_per_connection = 1000;
1276uschar *smtp_accept_max_per_host = NULL;
1277int smtp_accept_queue = 0;
1278int smtp_accept_queue_per_connection = 10;
1279int smtp_accept_reserve = 0;
1280uschar *smtp_active_hostname = NULL;
1281BOOL smtp_authenticated = FALSE;
1f5b4c3d 1282uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1283 "Exim $version_number $tod_full"
1284 "\0<---------------Space to patch smtp_banner->";
1285BOOL smtp_batched_input = FALSE;
1286BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1287int smtp_ch_index = 0;
3ee512ff
PH		 1288uschar *smtp_cmd_argument = NULL;
1289uschar *smtp_cmd_buffer = NULL;
b4ed4da0
PH		 1290time_t smtp_connection_start = 0;
1291uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1292int smtp_connect_backlog = 20;
1293double smtp_delay_mail = 0.0;
1294double smtp_delay_rcpt = 0.0;
1295BOOL smtp_enforce_sync = TRUE;
1296FILE *smtp_in = NULL;
1297BOOL smtp_input = FALSE;
1298int smtp_load_reserve = -1;
1299int smtp_mailcmd_count = 0;
1300FILE *smtp_out = NULL;
1301uschar *smtp_etrn_command = NULL;
1302BOOL smtp_etrn_serialize = TRUE;
1303int smtp_max_synprot_errors= 3;
1304int smtp_max_unknown_commands = 3;
8f128379 1305uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1306uschar *smtp_ratelimit_hosts = NULL;
1307uschar *smtp_ratelimit_mail = NULL;
1308uschar *smtp_ratelimit_rcpt = NULL;
1309uschar *smtp_read_error = US"";
1310int smtp_receive_timeout = 5*60;
1ad6489e 1311uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH		 1312uschar *smtp_reserve_hosts = NULL;
1313BOOL smtp_return_error_details = FALSE;
1314int smtp_rlm_base = 0;
1315double smtp_rlm_factor = 0.0;
1316int smtp_rlm_limit = 0;
1317int smtp_rlm_threshold = INT_MAX;
1318int smtp_rlr_base = 0;
1319double smtp_rlr_factor = 0.0;
1320int smtp_rlr_limit = 0;
1321int smtp_rlr_threshold = INT_MAX;
1322BOOL smtp_use_pipelining = FALSE;
1323BOOL smtp_use_size = FALSE;
8c5d388a 1324#ifdef SUPPORT_I18N
9d4319df 1325uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1326#endif
8523533c
TK		 1327
1328#ifdef WITH_CONTENT_SCAN
1329uschar *spamd_address = US"127.0.0.1 783";
1330uschar *spam_bar = NULL;
1331uschar *spam_report = NULL;
c5f280e2 1332uschar *spam_action = NULL;
8523533c
TK		 1333uschar *spam_score = NULL;
1334uschar *spam_score_int = NULL;
1335#endif
1336#ifdef EXPERIMENTAL_SPF
65a7d8c3 1337uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1338uschar *spf_header_comment = NULL;
1339uschar *spf_received = NULL;
1340uschar *spf_result = NULL;
1341uschar *spf_smtp_comment = NULL;
1342#endif
1343
059ec3d9
PH		 1344BOOL split_spool_directory = FALSE;
1345uschar *spool_directory = US SPOOL_DIRECTORY
1346 "\0<--------------Space to patch spool_directory->";
8523533c
TK		 1347#ifdef EXPERIMENTAL_SRS
1348uschar *srs_config = NULL;
1349uschar *srs_db_address = NULL;
1350uschar *srs_db_key = NULL;
384152a6
TK		 1351int srs_hashlength = 6;
1352int srs_hashmin = -1;
1353int srs_maxage = 31;
8523533c
TK		 1354uschar *srs_orig_recipient = NULL;
1355uschar *srs_orig_sender = NULL;
1356uschar *srs_recipient = NULL;
384152a6 1357uschar *srs_secrets = NULL;
8523533c 1358uschar *srs_status = NULL;
384152a6
TK		 1359BOOL srs_usehash = TRUE;
1360BOOL srs_usetimestamp = TRUE;
8e669ac1 1361#endif
38a0a95f 1362BOOL strict_acl_vars = FALSE;
059ec3d9 1363int string_datestamp_offset= -1;
f1e5fef5
PP		 1364int string_datestamp_length= 0;
1365int string_datestamp_type = -1;
059ec3d9
PH		 1366BOOL strip_excess_angle_brackets = FALSE;
1367BOOL strip_trailing_dot = FALSE;
1368uschar *submission_domain = NULL;
1369BOOL submission_mode = FALSE;
2fe1a124 1370uschar *submission_name = NULL;
8800895a 1371BOOL suppress_local_fixups = FALSE;
f4ee74ac 1372BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH		 1373BOOL synchronous_delivery = FALSE;
1374BOOL syslog_duplication = TRUE;
1375int syslog_facility = LOG_MAIL;
1376uschar *syslog_processname = US"exim";
1377BOOL syslog_timestamp = TRUE;
1378uschar *system_filter = NULL;
1379
1380uschar *system_filter_directory_transport = NULL;
1381uschar *system_filter_file_transport = NULL;
1382uschar *system_filter_pipe_transport = NULL;
1383uschar *system_filter_reply_transport = NULL;
1384
1385gid_t system_filter_gid = 0;
1386BOOL system_filter_gid_set = FALSE;
79d4bc3d 1387uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1388BOOL system_filter_uid_set = FALSE;
1389BOOL system_filtering = FALSE;
1390
1391BOOL tcp_nodelay = TRUE;
5dc43717
JJ		 1392#ifdef USE_TCP_WRAPPERS
1393uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1394#endif
8669f003 1395int test_harness_load_avg = 0;
059ec3d9
PH		 1396int thismessage_size_limit = 0;
1397int timeout_frozen_after = 0;
1398BOOL timestamps_utc = FALSE;
1399
1400transport_instance *transports = NULL;
1401
1402transport_instance transport_defaults = {
1403 NULL, /* chain pointer */
1404 NULL, /* name */
1405 NULL, /* info */
1406 NULL, /* private options block pointer */
1407 NULL, /* driver name */
1408 NULL, /* setup entry point */
1409 1, /* batch_max */
1410 NULL, /* batch_id */
1411 NULL, /* home_dir */
1412 NULL, /* current_dir */
506900af 1413 NULL, /* expand-multi-domain */
059ec3d9
PH		 1414 TRUE, /* multi-domain */
1415 FALSE, /* overrides_hosts */
1416 100, /* max_addresses */
1417 500, /* connection_max_messages */
1418 FALSE, /* deliver_as_creator */
1419 FALSE, /* disable_logging */
1420 FALSE, /* initgroups */
1421 FALSE, /* uid_set */
1422 FALSE, /* gid_set */
1423 (uid_t)(-1), /* uid */
1424 (gid_t)(-1), /* gid */
1425 NULL, /* expand_uid */
1426 NULL, /* expand_gid */
1427 NULL, /* warn_message */
1428 NULL, /* shadow */
1429 NULL, /* shadow_condition */
1430 NULL, /* filter_command */
1431 NULL, /* add_headers */
1432 NULL, /* remove_headers */
1433 NULL, /* return_path */
1434 NULL, /* debug_string */
fa41615d 1435 NULL, /* max_parallel */
059ec3d9
PH		 1436 NULL, /* message_size_limit */
1437 NULL, /* headers_rewrite */
1438 NULL, /* rewrite_rules */
1439 0, /* rewrite_existflags */
1440 300, /* filter_timeout */
1441 FALSE, /* body_only */
1442 FALSE, /* delivery_date_add */
1443 FALSE, /* envelope_to_add */
1444 FALSE, /* headers_only */
1445 FALSE, /* rcpt_include_affixes */
1446 FALSE, /* return_path_add */
1447 FALSE, /* return_output */
1448 FALSE, /* return_fail_output */
1449 FALSE, /* log_output */
1450 FALSE, /* log_fail_output */
1451 FALSE, /* log_defer_output */
1452 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1453 1 nor 0 so can detect unset */
0cbf2b82 1454#ifndef DISABLE_EVENT
774ef2d7 1455 ,NULL /* event_action */
533aaf91 1456#endif
059ec3d9
PH		 1457};
1458
1459int transport_count;
181d9bf8 1460uschar *transport_name = NULL;
332f5cf3 1461int transport_newlines;
55414b25 1462const uschar **transport_filter_argv = NULL;
059ec3d9 1463int transport_filter_timeout;
2e2a30b4 1464BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1465int transport_write_timeout= 0;
1466
1467tree_node *tree_dns_fails = NULL;
1468tree_node *tree_duplicates = NULL;
1469tree_node *tree_nonrecipients = NULL;
1470tree_node *tree_unusable = NULL;
1471
1472BOOL trusted_caller = FALSE;
e2f5dc15 1473BOOL trusted_config = TRUE;
059ec3d9
PH		 1474gid_t *trusted_groups = NULL;
1475uid_t *trusted_users = NULL;
1476uschar *timezone_string = US TIMEZONE_DEFAULT;
1477
1478uschar *unknown_login = NULL;
1479uschar *unknown_username = NULL;
1480uschar *untrusted_set_sender = NULL;
1481
1482/* A regex for matching a "From_" line in an incoming message, in the form
1483
1484 From ph10 Fri Jan 5 12:35 GMT 1996
1485
1486which the "mail" commands send to the MTA (undocumented, of course), or in
1487the form
1488
1489 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1490
1491which is apparently used by some UUCPs, despite it not being in RFC 976.
1492Because of variations in time formats, just match up to the minutes. That
1493should be sufficient. Examples have been seen of time fields like 12:1:03,
1494so just require one digit for hours and minutes. The weekday is also absent
1495in some forms. */
1496
1497uschar *uucp_from_pattern = US
1498 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1499 "(?:" /* Non-extracting bracket */
1500 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1501 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1502 ")" /* End alternation */
1503 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1504
1505uschar *uucp_from_sender = US"$1";
1506
aec45841 1507uschar *verify_mode = NULL;
f45100a3 1508uschar *version_copyright =
3386088d
PP		 1509 US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1510 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
059ec3d9
PH		 1511uschar *version_date = US"?";
1512uschar *version_cnumber = US"????";
1513uschar *version_string = US"?";
1514
aec45841 1515uschar *warn_message_file = NULL;
059ec3d9 1516int warning_count = 0;
aec45841
JH		 1517uschar *warnmsg_delay = NULL;
1518uschar *warnmsg_recipients = NULL;
1519BOOL write_rejectlog = TRUE;
1520
059ec3d9
PH		 1521
1522/* End of globals.c */
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