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Macros: speedup expansion processing
[exim.git] / src / src / globals.c
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
f9ba5e22 5/* Copyright (c) University of Cambridge 1995 - 2018 */
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
c0b9d3e8 38int optionlist_auths_size = nelem(optionlist_auths);
059ec3d9
PH		 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 103tls_support tls_in = {
f2ed27cf
JH		 104 .active = -1,
105 .bits = 0,
106 .certificate_verified = FALSE,
85098ee7 107#ifdef EXPERIMENTAL_DANE
f2ed27cf
JH		 108 .dane_verified = FALSE,
109 .tlsa_usage = 0,
85098ee7 110#endif
f2ed27cf
JH		 111 .cipher = NULL,
112 .on_connect = FALSE,
113 .on_connect_ports = NULL,
114 .ourcert = NULL,
115 .peercert = NULL,
116 .peerdn = NULL,
117 .sni = NULL,
118 .ocsp = OCSP_NOT_REQ
817d9f57
JH		 119};
120tls_support tls_out = {
f2ed27cf
JH		 121 .active = -1,
122 .bits = 0,
123 .certificate_verified = FALSE,
85098ee7 124#ifdef EXPERIMENTAL_DANE
f2ed27cf
JH		 125 .dane_verified = FALSE,
126 .tlsa_usage = 0,
85098ee7 127#endif
f2ed27cf
JH		 128 .cipher = NULL,
129 .on_connect = FALSE,
130 .on_connect_ports = NULL,
131 .ourcert = NULL,
132 .peercert = NULL,
133 .peerdn = NULL,
134 .sni = NULL,
135 .ocsp = OCSP_NOT_REQ
817d9f57
JH		 136};
137
6c1c3d1d
WB		 138uschar *dsn_envid = NULL;
139int dsn_ret = 0;
140const pcre *regex_DSN = NULL;
6c1c3d1d 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;
77bb000f 146uschar *openssl_options = NULL;
059ec3d9 147const pcre *regex_STARTTLS = NULL;
23f3dc67 148uschar *tls_advertise_hosts = US"*";
059ec3d9
PH		 149uschar *tls_certificate = NULL;
150uschar *tls_crl = NULL;
3375e053
PP		 151/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152that's the interop problem which has been observed: GnuTLS suggesting a higher
153bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154int tls_dh_max_bits = 2236;
059ec3d9 155uschar *tls_dhparam = NULL;
8e53a4fc 156uschar *tls_eccurve = US"auto";
23f3dc67 157# ifndef DISABLE_OCSP
3f7eeb86 158uschar *tls_ocsp_file = NULL;
23f3dc67 159# endif
059ec3d9
PH		 160uschar *tls_privatekey = NULL;
161BOOL tls_remember_esmtp = FALSE;
162uschar *tls_require_ciphers = NULL;
163uschar *tls_try_verify_hosts = NULL;
0e0f3f56 164uschar *tls_verify_certificates= US"system";
059ec3d9 165uschar *tls_verify_hosts = NULL;
23f3dc67
JH		 166#else /*!SUPPORT_TLS*/
167uschar *tls_advertise_hosts = NULL;
059ec3d9
PH		 168#endif
169
8ccd00b1 170#ifndef DISABLE_PRDR
fd98a5c6
JH		 171/* Per Recipient Data Response variables */
172BOOL prdr_enable = FALSE;
173BOOL prdr_requested = FALSE;
174const pcre *regex_PRDR = NULL;
175#endif
059ec3d9 176
8c5d388a 177#ifdef SUPPORT_I18N
7ade712c
JH		 178const pcre *regex_UTF8 = NULL;
179#endif
180
059ec3d9
PH		 181/* Input-reading functions for messages, so we can use special ones for
182incoming TCP/IP. The defaults use stdin. We never need these for any
183stand-alone tests. */
184
d185889f 185#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
bd8fbe36 186int (*lwr_receive_getc)(unsigned) = stdin_getc;
0d81dabc 187uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
7e3ce68e 188int (*lwr_receive_ungetc)(int) = stdin_ungetc;
bd8fbe36 189int (*receive_getc)(unsigned) = stdin_getc;
0d81dabc 190uschar * (*receive_getbuf)(unsigned *) = NULL;
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
e1d04f48
JH		 233int acl_level = 0;
234
059ec3d9 235uschar *acl_not_smtp = NULL;
54cdb463
PH		 236#ifdef WITH_CONTENT_SCAN
237uschar *acl_not_smtp_mime = NULL;
238#endif
45b91596 239uschar *acl_not_smtp_start = NULL;
e7568d51 240uschar *acl_removed_headers = NULL;
059ec3d9
PH		 241uschar *acl_smtp_auth = NULL;
242uschar *acl_smtp_connect = NULL;
243uschar *acl_smtp_data = NULL;
8ccd00b1 244#ifndef DISABLE_PRDR
ad07e9ad 245uschar *acl_smtp_data_prdr = US"accept";
fd98a5c6 246#endif
80a47a2c
TK		 247#ifndef DISABLE_DKIM
248uschar *acl_smtp_dkim = NULL;
249#endif
059ec3d9
PH		 250uschar *acl_smtp_etrn = NULL;
251uschar *acl_smtp_expn = NULL;
252uschar *acl_smtp_helo = NULL;
253uschar *acl_smtp_mail = NULL;
254uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 255#ifdef WITH_CONTENT_SCAN
256uschar *acl_smtp_mime = NULL;
257#endif
8f128379 258uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 259uschar *acl_smtp_predata = NULL;
260uschar *acl_smtp_quit = NULL;
261uschar *acl_smtp_rcpt = NULL;
262uschar *acl_smtp_starttls = NULL;
263uschar *acl_smtp_vrfy = NULL;
8f128379 264
059ec3d9 265BOOL acl_temp_details = FALSE;
38a0a95f
PH		 266tree_node *acl_var_c = NULL;
267tree_node *acl_var_m = NULL;
059ec3d9 268uschar *acl_verify_message = NULL;
059ec3d9
PH		 269string_item *acl_warn_logged = NULL;
270
271/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
273
274uschar *acl_wherenames[] = { US"RCPT",
275 US"MAIL",
276 US"PREDATA",
8523533c 277 US"MIME",
80a47a2c 278 US"DKIM",
059ec3d9 279 US"DATA",
8ccd00b1 280#ifndef DISABLE_PRDR
fd98a5c6
JH		 281 US"PRDR",
282#endif
059ec3d9
PH		 283 US"non-SMTP",
284 US"AUTH",
285 US"connection",
286 US"ETRN",
287 US"EXPN",
288 US"EHLO or HELO",
289 US"MAILAUTH",
45b91596 290 US"non-SMTP-start",
8f128379 291 US"NOTQUIT",
059ec3d9
PH		 292 US"QUIT",
293 US"STARTTLS",
723c72e6 294 US"VRFY",
faa05a93
JH		 295 US"delivery",
296 US"unknown"
059ec3d9
PH		 297 };
298
a5bd321b
PH		 299uschar *acl_wherecodes[] = { US"550", /* RCPT */
300 US"550", /* MAIL */
301 US"550", /* PREDATA */
302 US"550", /* MIME */
80a47a2c 303 US"550", /* DKIM */
a5bd321b 304 US"550", /* DATA */
8ccd00b1 305#ifndef DISABLE_PRDR
fd98a5c6
JH		 306 US"550", /* RCPT PRDR */
307#endif
a5bd321b
PH		 308 US"0", /* not SMTP; not relevant */
309 US"503", /* AUTH */
310 US"550", /* connect */
311 US"458", /* ETRN */
312 US"550", /* EXPN */
313 US"550", /* HELO/EHLO */
314 US"0", /* MAILAUTH; not relevant */
315 US"0", /* not SMTP; not relevant */
8f128379 316 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 317 US"0", /* QUIT; not relevant */
318 US"550", /* STARTTLS */
723c72e6 319 US"252", /* VRFY */
faa05a93 320 US"0", /* delivery; not relevant */
723c72e6 321 US"0" /* unknown; not relevant */
059ec3d9 322 };
8e669ac1 323
69358f02
PH		 324BOOL active_local_from_check = FALSE;
325BOOL active_local_sender_retain = FALSE;
9cbad13b 326BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
bc3c7bb7 327uschar *add_environment = NULL;
059ec3d9
PH		 328address_item *addr_duplicate = NULL;
329
330address_item address_defaults = {
f2ed27cf
JH		 331 .next = NULL,
332 .parent = NULL,
333 .first = NULL,
334 .dupof = NULL,
335 .start_router = NULL,
336 .router = NULL,
337 .transport = NULL,
338 .host_list = NULL,
339 .host_used = NULL,
340 .fallback_hosts = NULL,
341 .reply = NULL,
342 .retries = NULL,
343 .address = NULL,
344 .unique = NULL,
345 .cc_local_part = NULL,
346 .lc_local_part = NULL,
347 .local_part = NULL,
348 .prefix = NULL,
349 .suffix = NULL,
350 .domain = NULL,
351 .address_retry_key = NULL,
352 .domain_retry_key = NULL,
353 .current_dir = NULL,
354 .home_dir = NULL,
355 .message = NULL,
356 .user_message = NULL,
357 .onetime_parent = NULL,
358 .pipe_expandn = NULL,
359 .return_filename = NULL,
360 .self_hostname = NULL,
361 .shadow_message = NULL,
895fbaf2 362#ifdef SUPPORT_TLS
f2ed27cf
JH		 363 .cipher = NULL,
364 .ourcert = NULL,
365 .peercert = NULL,
366 .peerdn = NULL,
367 .ocsp = OCSP_NOT_REQ,
895fbaf2
JH		 368#endif
369#ifdef EXPERIMENTAL_DSN_INFO
f2ed27cf
JH		 370 .smtp_greeting = NULL,
371 .helo_response = NULL,
895fbaf2 372#endif
f2ed27cf
JH		 373 .authenticator = NULL,
374 .auth_id = NULL,
375 .auth_sndr = NULL,
376 .dsn_orcpt = NULL,
377 .dsn_flags = 0,
378 .dsn_aware = 0,
379 .uid = (uid_t)(-1),
380 .gid = (gid_t)(-1),
7eb0e5d2 381 .flags = { 0 },
f2ed27cf
JH		 382 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
383 .localpart_cache = { 0 }, /* localpart_cache - ditto */
384 .mode = -1,
385 .more_errno = 0,
386 .delivery_usec = 0,
387 .basic_errno = ERRNO_UNKNOWNERROR,
388 .child_count = 0,
389 .return_file = -1,
390 .special_action = SPECIAL_NONE,
391 .transport_return = DEFER,
392 .prop = { /* fields that are propagated to children */
393 .address_data = NULL,
394 .domain_data = NULL,
395 .localpart_data = NULL,
396 .errors_address = NULL,
397 .extra_headers = NULL,
398 .remove_headers = NULL,
384152a6 399#ifdef EXPERIMENTAL_SRS
f2ed27cf 400 .srs_sender = NULL,
7ade712c 401#endif
a5853d7c 402 .ignore_error = FALSE,
8c5d388a 403#ifdef SUPPORT_I18N
f2ed27cf
JH		 404 .utf8_msg = FALSE,
405 .utf8_downcvt = FALSE,
406 .utf8_downcvt_maybe = FALSE
384152a6 407#endif
059ec3d9
PH		 408 }
409};
410
411uschar *address_file = NULL;
412uschar *address_pipe = NULL;
413BOOL address_test_mode = FALSE;
414tree_node *addresslist_anchor = NULL;
415int addresslist_count = 0;
416gid_t *admin_groups = NULL;
417BOOL admin_user = FALSE;
c46782ef 418BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH		 419BOOL allow_domain_literals = FALSE;
420BOOL allow_mx_to_ip = FALSE;
421BOOL allow_unqualified_recipient = TRUE; /* For local messages */
422BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
423BOOL allow_utf8_domains = FALSE;
2d07a215 424uschar *authenticated_fail_id = NULL;
059ec3d9
PH		 425uschar *authenticated_id = NULL;
426uschar *authenticated_sender = NULL;
427BOOL authentication_failed = FALSE;
428auth_instance *auths = NULL;
429uschar *auth_advertise_hosts = US"*";
430auth_instance auth_defaults = {
f2ed27cf
JH		 431 .next = NULL,
432 .name = NULL,
433 .info = NULL,
434 .options_block = NULL,
435 .driver_name = NULL,
436 .advertise_condition = NULL,
437 .client_condition = NULL,
438 .public_name = NULL,
439 .set_id = NULL,
440 .set_client_id = NULL,
441 .mail_auth_condition = NULL,
442 .server_debug_string = NULL,
443 .server_condition = NULL,
444 .client = FALSE,
445 .server = FALSE,
446 .advertised = FALSE
059ec3d9
PH		 447};
448
449uschar *auth_defer_msg = US"reason not recorded";
450uschar *auth_defer_user_msg = US"";
f78eb7c6 451uschar *auth_vars[AUTH_VARS];
059ec3d9 452int auto_thaw = 0;
8523533c 453#ifdef WITH_CONTENT_SCAN
9e949f00 454BOOL av_failed = FALSE;
8523533c
TK		 455uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
456#endif
059ec3d9
PH		 457
458BOOL background_daemon = TRUE;
9a799bc0
PH		 459
460#if BASE_62 == 62
059ec3d9
PH		 461uschar *base62_chars=
462 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 463#else
464uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
465#endif
466
059ec3d9
PH		 467uschar *bi_command = NULL;
468uschar *big_buffer = NULL;
469int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 470#ifdef EXPERIMENTAL_BRIGHTMAIL
471uschar *bmi_alt_location = NULL;
472uschar *bmi_base64_tracker_verdict = NULL;
473uschar *bmi_base64_verdict = NULL;
474uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
475int bmi_deliver = 1;
476int bmi_run = 0;
477uschar *bmi_verdicts = NULL;
478#endif
32b8ce41 479int bsmtp_transaction_linecount = 0;
939c3e34 480int body_8bitmime = 0;
059ec3d9
PH		 481int body_linecount = 0;
482int body_zerocount = 0;
483uschar *bounce_message_file = NULL;
484uschar *bounce_message_text = NULL;
485uschar *bounce_recipient = NULL;
486BOOL bounce_return_body = TRUE;
62b7cd08 487int bounce_return_linesize_limit = 998;
059ec3d9
PH		 488BOOL bounce_return_message = TRUE;
489int bounce_return_size_limit = 100*1024;
490uschar *bounce_sender_authentication = NULL;
059ec3d9 491
055e2cb4 492uschar *callout_address = NULL;
059ec3d9
PH		 493int callout_cache_domain_positive_expire = 7*24*60*60;
494int callout_cache_domain_negative_expire = 3*60*60;
495int callout_cache_positive_expire = 24*60*60;
496int callout_cache_negative_expire = 2*60*60;
497uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 498uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
ddf1b11a
JH		 499int check_log_inodes = 100;
500int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
a0d6ba8a 501BOOL check_rfc2047_length = TRUE;
ddf1b11a
JH		 502int check_spool_inodes = 100;
503int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
18481de3 504
aa368db3 505uschar *chunking_advertise_hosts = US"*";
18481de3 506unsigned chunking_datasize = 0;
7e3ce68e
JH		 507unsigned chunking_data_left = 0;
508BOOL chunking_offered = FALSE;
18481de3 509chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
f98442df 510const pcre *regex_CHUNKING = NULL;
18481de3 511
aa368db3
JH		 512uschar *client_authenticator = NULL;
513uschar *client_authenticated_id = NULL;
514uschar *client_authenticated_sender = NULL;
059ec3d9
PH		 515int clmacro_count = 0;
516uschar *clmacros[MAX_CLMACROS];
f33875c3 517BOOL commandline_checks_require_admin = FALSE;
059ec3d9
PH		 518BOOL config_changed = FALSE;
519FILE *config_file = NULL;
18d6b513 520const uschar *config_filename = NULL;
059ec3d9 521int config_lineno = 0;
35edf2ff
PH		 522#ifdef CONFIGURE_GROUP
523gid_t config_gid = CONFIGURE_GROUP;
19bfe9e7
HSHR		 524#else
525gid_t config_gid = 0;
35edf2ff 526#endif
059ec3d9
PH		 527uschar *config_main_filelist = US CONFIGURE_FILE
528 "\0<-----------Space to patch configure_filename->";
529uschar *config_main_filename = NULL;
98b8312f 530uschar *config_main_directory = NULL;
059ec3d9
PH		 531
532#ifdef CONFIGURE_OWNER
533uid_t config_uid = CONFIGURE_OWNER;
19bfe9e7
HSHR		 534#else
535uid_t config_uid = 0;
059ec3d9
PH		 536#endif
537
538int connection_max_messages= -1;
5013d912 539uschar *continue_proxy_cipher = NULL;
059ec3d9
PH		 540uschar *continue_hostname = NULL;
541uschar *continue_host_address = NULL;
542BOOL continue_more = FALSE;
543int continue_sequence = 1;
544uschar *continue_transport = NULL;
545
e5a9dba6 546uschar *csa_status = NULL;
5032d1cf 547cut_t cutthrough = {
f2ed27cf
JH		 548 .callout_hold_only = FALSE, /* verify-only: normal delivery */
549 .delivery = FALSE, /* when to attempt */
550 .defer_pass = FALSE, /* on defer: spool locally */
551 .is_tls = FALSE, /* not a TLS conn yet */
552 .fd = -1, /* open connection */
553 .nrcpt = 0, /* number of addresses */
5032d1cf 554};
e5a9dba6 555
059ec3d9
PH		 556BOOL daemon_listen = FALSE;
557uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 558int daemon_startup_retries = 9;
559int daemon_startup_sleep = 30;
6a8f9482
TK		 560
561#ifdef EXPERIMENTAL_DCC
562BOOL dcc_direct_add_header = FALSE;
563uschar *dcc_header = NULL;
564uschar *dcc_result = NULL;
565uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
566uschar *dccifd_options = US"header";
567#endif
568
3d235903 569BOOL debug_daemon = FALSE;
059ec3d9
PH		 570int debug_fd = -1;
571FILE *debug_file = NULL;
6c6d6e48
TF		 572int debug_notall[] = {
573 Di_memory,
574 -1
059ec3d9 575};
6c6d6e48
TF		 576bit_table debug_options[] = { /* must be in alphabetical order */
577 BIT_TABLE(D, acl),
578 BIT_TABLE(D, all),
579 BIT_TABLE(D, auth),
580 BIT_TABLE(D, deliver),
581 BIT_TABLE(D, dns),
582 BIT_TABLE(D, dnsbl),
583 BIT_TABLE(D, exec),
584 BIT_TABLE(D, expand),
585 BIT_TABLE(D, filter),
586 BIT_TABLE(D, hints_lookup),
587 BIT_TABLE(D, host_lookup),
588 BIT_TABLE(D, ident),
589 BIT_TABLE(D, interface),
590 BIT_TABLE(D, lists),
591 BIT_TABLE(D, load),
592 BIT_TABLE(D, local_scan),
593 BIT_TABLE(D, lookup),
594 BIT_TABLE(D, memory),
595 BIT_TABLE(D, pid),
596 BIT_TABLE(D, process_info),
597 BIT_TABLE(D, queue_run),
598 BIT_TABLE(D, receive),
599 BIT_TABLE(D, resolver),
600 BIT_TABLE(D, retry),
601 BIT_TABLE(D, rewrite),
602 BIT_TABLE(D, route),
603 BIT_TABLE(D, timestamp),
604 BIT_TABLE(D, tls),
605 BIT_TABLE(D, transport),
606 BIT_TABLE(D, uid),
607 BIT_TABLE(D, verify),
608};
609int debug_options_count = nelem(debug_options);
610
059ec3d9 611unsigned int debug_selector = 0;
64073d9c 612BOOL debug_store = FALSE;
059ec3d9 613int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 614uschar *delay_warning_condition=
615 US"${if or {"
e85a7ad5 616 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 617 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
618 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
619 "} {no}{yes}}";
059ec3d9
PH		 620BOOL delivery_date_remove = TRUE;
621uschar *deliver_address_data = NULL;
622int deliver_datafile = -1;
55414b25 623const uschar *deliver_domain = NULL;
059ec3d9 624uschar *deliver_domain_data = NULL;
55414b25
JH		 625const uschar *deliver_domain_orig = NULL;
626const uschar *deliver_domain_parent = NULL;
059ec3d9
PH		 627BOOL deliver_drop_privilege = FALSE;
628BOOL deliver_firsttime = FALSE;
629BOOL deliver_force = FALSE;
630BOOL deliver_freeze = FALSE;
19050083 631time_t deliver_frozen_at = 0;
059ec3d9 632uschar *deliver_home = NULL;
55414b25
JH		 633const uschar *deliver_host = NULL;
634const uschar *deliver_host_address = NULL;
a7538db1 635int deliver_host_port = 0;
059ec3d9
PH		 636uschar *deliver_in_buffer = NULL;
637ino_t deliver_inode = 0;
638uschar *deliver_localpart = NULL;
639uschar *deliver_localpart_data = NULL;
640uschar *deliver_localpart_orig = NULL;
641uschar *deliver_localpart_parent = NULL;
642uschar *deliver_localpart_prefix = NULL;
643uschar *deliver_localpart_suffix = NULL;
644BOOL deliver_force_thaw = FALSE;
645BOOL deliver_manual_thaw = FALSE;
646uschar *deliver_out_buffer = NULL;
647int deliver_queue_load_max = -1;
648address_item *deliver_recipients = NULL;
649uschar *deliver_selectstring = NULL;
650BOOL deliver_selectstring_regex = FALSE;
651uschar *deliver_selectstring_sender = NULL;
652BOOL deliver_selectstring_sender_regex = FALSE;
4c590bd1 653BOOL disable_callout_flush = FALSE;
047bdd8c 654BOOL disable_delay_flush = FALSE;
54fc8428
PH		 655#ifdef ENABLE_DISABLE_FSYNC
656BOOL disable_fsync = FALSE;
657#endif
7e66e54d 658BOOL disable_ipv6 = FALSE;
059ec3d9
PH		 659BOOL disable_logging = FALSE;
660
80a47a2c 661#ifndef DISABLE_DKIM
abe1010c 662BOOL dkim_collect_input = FALSE;
2df588c9 663uschar *dkim_cur_signer = NULL;
abe1010c
JH		 664BOOL dkim_disable_verify = FALSE;
665int dkim_key_length = 0;
9e5d6b55 666uschar *dkim_signers = NULL;
f7572e5a
TK		 667uschar *dkim_signing_domain = NULL;
668uschar *dkim_signing_selector = NULL;
2c47372f 669uschar *dkim_verify_overall = NULL;
9e5d6b55 670uschar *dkim_verify_signers = US"$dkim_signers";
a79d8834
JH		 671uschar *dkim_verify_status = NULL;
672uschar *dkim_verify_reason = NULL;
f7572e5a 673#endif
4840604e 674#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 675BOOL dmarc_has_been_checked = FALSE;
4840604e 676uschar *dmarc_ar_header = NULL;
8c8b8274 677uschar *dmarc_domain_policy = NULL;
4840604e
TL		 678uschar *dmarc_forensic_sender = NULL;
679uschar *dmarc_history_file = NULL;
680uschar *dmarc_status = NULL;
681uschar *dmarc_status_text = NULL;
682uschar *dmarc_tld_file = NULL;
683uschar *dmarc_used_domain = NULL;
684BOOL dmarc_disable_verify = FALSE;
685BOOL dmarc_enable_forensic = FALSE;
686#endif
f7572e5a 687
059ec3d9 688uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH		 689int dns_csa_search_limit = 5;
690BOOL dns_csa_use_reverse = TRUE;
e682570f
TL		 691#ifdef EXPERIMENTAL_DANE
692int dns_dane_ok = -1;
693#endif
059ec3d9
PH		 694uschar *dns_ipv4_lookup = NULL;
695int dns_retrans = 0;
696int dns_retry = 0;
0fbd9bff 697int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 698uschar *dns_trust_aa = NULL;
e97d1f08 699int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 700uschar *dnslist_domain = NULL;
93655c46 701uschar *dnslist_matched = NULL;
059ec3d9
PH		 702uschar *dnslist_text = NULL;
703uschar *dnslist_value = NULL;
704tree_node *domainlist_anchor = NULL;
705int domainlist_count = 0;
706BOOL dont_deliver = FALSE;
707BOOL dot_ends = TRUE;
708BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 709uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH		 710
711BOOL enable_dollar_recipients = FALSE;
712BOOL envelope_to_remove = TRUE;
713int errno_quota = ERRNO_QUOTA;
714uschar *errors_copy = NULL;
715int error_handling = ERRORS_SENDER;
716uschar *errors_reply_to = NULL;
717int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 718#ifndef DISABLE_EVENT
723fe533 719uschar *event_action = NULL; /* expansion for delivery events */
4c04137d 720uschar *event_data = NULL; /* auxiliary data variable for event */
723fe533 721int event_defer_errno = 0;
55414b25 722const uschar *event_name = NULL; /* event name variable */
723fe533
JH		 723#endif
724
059ec3d9
PH		 725
726gid_t exim_gid = EXIM_GID;
727BOOL exim_gid_set = TRUE; /* This gid is always set */
728uschar *exim_path = US BIN_DIRECTORY "/exim"
729 "\0<---------------Space to patch exim_path->";
730uid_t exim_uid = EXIM_UID;
731BOOL exim_uid_set = TRUE; /* This uid is always set */
e1d04f48 732int expand_level = 0; /* Nesting depth, indent for debug */
059ec3d9
PH		 733int expand_forbid = 0;
734int expand_nlength[EXPAND_MAXN+1];
735int expand_nmax = -1;
736uschar *expand_nstring[EXPAND_MAXN+1];
737BOOL expand_string_forcedfail = FALSE;
738uschar *expand_string_message;
739BOOL extract_addresses_remove_arguments = TRUE;
740uschar *extra_local_interfaces = NULL;
741
29aba418 742int fake_response = OK;
0e22dfd1
PH		 743uschar *fake_response_text = US"Your message has been rejected but is "
744 "being kept for evaluation.\nIf it was a "
745 "legitimate message, it may still be "
746 "delivered to the target recipient(s).";
059ec3d9
PH		 747int filter_n[FILTER_VARIABLE_COUNT];
748BOOL filter_running = FALSE;
749int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 750int filter_test = FTEST_NONE;
751uschar *filter_test_sfile = NULL;
752uschar *filter_test_ufile = NULL;
059ec3d9
PH		 753uschar *filter_thisaddress = NULL;
754int finduser_retries = 0;
755uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
756uschar *freeze_tell = NULL;
6a3f1455 757uschar *freeze_tell_config = NULL;
059ec3d9
PH		 758uschar *fudged_queue_times = US"";
759
760uschar *gecos_name = NULL;
761uschar *gecos_pattern = NULL;
762rewrite_rule *global_rewrite_rules = NULL;
763
764uschar *headers_charset = US HEADERS_CHARSET;
765int header_insert_maxlen = 64 * 1024;
766header_line *header_last = NULL;
767header_line *header_list = NULL;
768int header_maxsize = HEADER_MAXSIZE;
769int header_line_maxsize = 0;
770
771header_name header_names[] = {
f2ed27cf
JH		 772 /* name len allow_resent htype */
773 { US"bcc", 3, TRUE, htype_bcc },
774 { US"cc", 2, TRUE, htype_cc },
775 { US"date", 4, TRUE, htype_date },
776 { US"delivery-date", 13, FALSE, htype_delivery_date },
777 { US"envelope-to", 11, FALSE, htype_envelope_to },
778 { US"from", 4, TRUE, htype_from },
779 { US"message-id", 10, TRUE, htype_id },
780 { US"received", 8, FALSE, htype_received },
781 { US"reply-to", 8, FALSE, htype_reply_to },
782 { US"return-path", 11, FALSE, htype_return_path },
783 { US"sender", 6, TRUE, htype_sender },
784 { US"subject", 7, FALSE, htype_subject },
785 { US"to", 2, TRUE, htype_to }
059ec3d9
PH		 786};
787
788int header_names_size = sizeof(header_names)/sizeof(header_name);
789
790BOOL header_rewritten = FALSE;
791uschar *helo_accept_junk_hosts = NULL;
792uschar *helo_allow_chars = US"";
793uschar *helo_lookup_domains = US"@ : @[]";
794uschar *helo_try_verify_hosts = NULL;
795BOOL helo_verified = FALSE;
d7b47fd0 796BOOL helo_verify_failed = FALSE;
059ec3d9 797uschar *helo_verify_hosts = NULL;
1ba28e2b 798const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH		 799uschar *hold_domains = NULL;
800BOOL host_checking = FALSE;
801BOOL host_checking_callout = FALSE;
802uschar *host_data = NULL;
803BOOL host_find_failed_syntax= FALSE;
804uschar *host_lookup = NULL;
b08b24c8 805BOOL host_lookup_deferred = FALSE;
059ec3d9
PH		 806BOOL host_lookup_failed = FALSE;
807uschar *host_lookup_order = US"bydns:byaddr";
808uschar *host_lookup_msg = US"";
809int host_number = 0;
810uschar *host_number_string = NULL;
811uschar *host_reject_connection = NULL;
812tree_node *hostlist_anchor = NULL;
813int hostlist_count = 0;
814uschar *hosts_treat_as_local = NULL;
815uschar *hosts_connection_nolog = NULL;
816
817int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
818BOOL ignore_fromline_local = FALSE;
819uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP		 820BOOL inetd_wait_mode = FALSE;
821int inetd_wait_timeout = -1;
3615fa9a 822uschar *initial_cwd = NULL;
059ec3d9
PH		 823uschar *interface_address = NULL;
824int interface_port = -1;
825BOOL is_inetd = FALSE;
0ce9abe6 826uschar *iterate_item = NULL;
059ec3d9
PH		 827
828int journal_fd = -1;
829
bc3c7bb7
HSHR		 830uschar *keep_environment = NULL;
831
059ec3d9
PH		 832int keep_malformed = 4*24*60*60; /* 4 days */
833
834uschar *eldap_dn = NULL;
835int load_average = -2;
836BOOL local_error_message = FALSE;
837BOOL local_from_check = TRUE;
838uschar *local_from_prefix = NULL;
839uschar *local_from_suffix = NULL;
840
841#if HAVE_IPV6
842uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
843#else
844uschar *local_interfaces = US"0.0.0.0";
845#endif
846
847uschar *local_scan_data = NULL;
848int local_scan_timeout = 5*60;
849BOOL local_sender_retain = FALSE;
850gid_t local_user_gid = (gid_t)(-1);
851uid_t local_user_uid = (uid_t)(-1);
852
853tree_node *localpartlist_anchor= NULL;
854int localpartlist_count = 0;
855uschar *log_buffer = NULL;
6c6d6e48
TF		 856
857int log_default[] = { /* for initializing log_selector */
858 Li_acl_warn_skipped,
859 Li_connection_reject,
860 Li_delay_delivery,
2c47372f 861 Li_dkim,
6c6d6e48
TF		 862 Li_dnslist_defer,
863 Li_etrn,
864 Li_host_lookup_failed,
865 Li_lost_incoming_connection,
ac881e27 866 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF		 867 Li_queue_run,
868 Li_rejected_header,
869 Li_retry_defer,
870 Li_sender_verify_fail,
871 Li_size_reject,
872 Li_skip_delivery,
873 Li_smtp_confirmation,
874 Li_tls_certificate_verified,
875 Li_tls_cipher,
876 -1
877};
878
059ec3d9
PH		 879uschar *log_file_path = US LOG_FILE_PATH
880 "\0<--------------Space to patch log_file_path->";
881
6c6d6e48
TF		 882int log_notall[] = {
883 -1
884};
885bit_table log_options[] = { /* must be in alphabetical order */
886 BIT_TABLE(L, 8bitmime),
887 BIT_TABLE(L, acl_warn_skipped),
888 BIT_TABLE(L, address_rewrite),
889 BIT_TABLE(L, all),
890 BIT_TABLE(L, all_parents),
891 BIT_TABLE(L, arguments),
892 BIT_TABLE(L, connection_reject),
893 BIT_TABLE(L, delay_delivery),
894 BIT_TABLE(L, deliver_time),
895 BIT_TABLE(L, delivery_size),
2c47372f
JH		 896#ifndef DISABLE_DKIM
897 BIT_TABLE(L, dkim),
898 BIT_TABLE(L, dkim_verbose),
899#endif
6c6d6e48 900 BIT_TABLE(L, dnslist_defer),
fc16abb4 901 BIT_TABLE(L, dnssec),
6c6d6e48
TF		 902 BIT_TABLE(L, etrn),
903 BIT_TABLE(L, host_lookup_failed),
904 BIT_TABLE(L, ident_timeout),
905 BIT_TABLE(L, incoming_interface),
906 BIT_TABLE(L, incoming_port),
907 BIT_TABLE(L, lost_incoming_connection),
571b2715 908 BIT_TABLE(L, millisec),
ac881e27 909 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF		 910 BIT_TABLE(L, outgoing_port),
911 BIT_TABLE(L, pid),
2c47372f 912#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
6c6d6e48
TF		 913 BIT_TABLE(L, proxy),
914#endif
915 BIT_TABLE(L, queue_run),
916 BIT_TABLE(L, queue_time),
917 BIT_TABLE(L, queue_time_overall),
306c6c77 918 BIT_TABLE(L, receive_time),
6c6d6e48
TF		 919 BIT_TABLE(L, received_recipients),
920 BIT_TABLE(L, received_sender),
921 BIT_TABLE(L, rejected_header),
922 { US"rejected_headers", Li_rejected_header },
923 BIT_TABLE(L, retry_defer),
924 BIT_TABLE(L, return_path_on_delivery),
925 BIT_TABLE(L, sender_on_delivery),
926 BIT_TABLE(L, sender_verify_fail),
927 BIT_TABLE(L, size_reject),
928 BIT_TABLE(L, skip_delivery),
929 BIT_TABLE(L, smtp_confirmation),
930 BIT_TABLE(L, smtp_connection),
931 BIT_TABLE(L, smtp_incomplete_transaction),
932 BIT_TABLE(L, smtp_mailauth),
933 BIT_TABLE(L, smtp_no_mail),
934 BIT_TABLE(L, smtp_protocol_error),
935 BIT_TABLE(L, smtp_syntax_error),
936 BIT_TABLE(L, subject),
937 BIT_TABLE(L, tls_certificate_verified),
938 BIT_TABLE(L, tls_cipher),
939 BIT_TABLE(L, tls_peerdn),
940 BIT_TABLE(L, tls_sni),
941 BIT_TABLE(L, unknown_in_list),
059ec3d9 942};
6c6d6e48 943int log_options_count = nelem(log_options);
059ec3d9 944
6ea85e9a 945int log_reject_target = 0;
6c6d6e48 946unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH		 947uschar *log_selector_string = NULL;
948FILE *log_stderr = NULL;
949BOOL log_testing_mode = FALSE;
950BOOL log_timezone = FALSE;
951uschar *login_sender_address = NULL;
4e0983dc 952uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH		 953int lookup_open_max = 25;
954uschar *lookup_value = NULL;
955
85e03244 956macro_item *macros_user = NULL;
059ec3d9 957uschar *mailstore_basename = NULL;
8523533c
TK		 958#ifdef WITH_CONTENT_SCAN
959uschar *malware_name = NULL; /* Virus Name */
960#endif
d677b2f2 961int max_received_linelength= 0;
059ec3d9
PH		 962int max_username_length = 0;
963int message_age = 0;
964uschar *message_body = NULL;
965uschar *message_body_end = NULL;
ddea74fa 966BOOL message_body_newlines = FALSE;
059ec3d9
PH		 967int message_body_size = 0;
968int message_body_visible = 500;
969int message_ended = END_NOTSTARTED;
970uschar *message_headers = NULL;
971uschar *message_id;
972uschar *message_id_domain = NULL;
973uschar *message_id_text = NULL;
974struct timeval message_id_tv = { 0, 0 };
975uschar message_id_option[MESSAGE_ID_LENGTH + 3];
976uschar *message_id_external;
977int message_linecount = 0;
978BOOL message_logs = TRUE;
979int message_size = 0;
980uschar *message_size_limit = US"50M";
8c5d388a 981#ifdef SUPPORT_I18N
eb02f5df 982BOOL message_smtputf8 = FALSE;
3c8b3577 983int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 984#endif
059ec3d9
PH		 985uschar message_subdir[2] = { 0, 0 };
986uschar *message_reference = NULL;
8523533c
TK		 987
988/* MIME ACL expandables */
989#ifdef WITH_CONTENT_SCAN
f7b63901 990int mime_anomaly_level = 0;
1ba28e2b 991const uschar *mime_anomaly_text = NULL;
8523533c
TK		 992uschar *mime_boundary = NULL;
993uschar *mime_charset = NULL;
994uschar *mime_content_description = NULL;
995uschar *mime_content_disposition = NULL;
996uschar *mime_content_id = NULL;
997unsigned int mime_content_size = 0;
998uschar *mime_content_transfer_encoding = NULL;
999uschar *mime_content_type = NULL;
1000uschar *mime_decoded_filename = NULL;
1001uschar *mime_filename = NULL;
1002int mime_is_multipart = 0;
1003int mime_is_coverletter = 0;
1004int mime_is_rfc822 = 0;
1005int mime_part_count = -1;
1006#endif
1007
059ec3d9
PH		 1008BOOL mua_wrapper = FALSE;
1009
1010uid_t *never_users = NULL;
8523533c
TK		 1011#ifdef WITH_CONTENT_SCAN
1012BOOL no_mbox_unspool = FALSE;
1013#endif
059ec3d9
PH		 1014BOOL no_multiline_responses = FALSE;
1015
fb05276a
JH		 1016const int on = 1; /* for setsockopt */
1017const int off = 0;
1018
059ec3d9
PH		 1019uid_t original_euid;
1020gid_t originator_gid;
1021uschar *originator_login = NULL;
1022uschar *originator_name = NULL;
1023uid_t originator_uid;
1024uschar *override_local_interfaces = NULL;
1025uschar *override_pid_file_path = NULL;
1026
1027BOOL parse_allow_group = FALSE;
1028BOOL parse_found_group = FALSE;
1029uschar *percent_hack_domains = NULL;
1030uschar *pid_file_path = US PID_FILE_PATH
1031 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 1032BOOL pipelining_enable = TRUE;
059ec3d9
PH		 1033uschar *pipelining_advertise_hosts = US"*";
1034BOOL preserve_message_logs = FALSE;
1035uschar *primary_hostname = NULL;
1036BOOL print_topbitchars = FALSE;
1037uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1038int process_info_len = 0;
059ec3d9
PH		 1039uschar *process_log_path = NULL;
1040BOOL prod_requires_admin = TRUE;
a3c86431 1041
e6d2a989 1042#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 1043uschar *hosts_proxy = US"";
e6d2a989
JH		 1044uschar *proxy_external_address = US"";
1045int proxy_external_port = 0;
1046uschar *proxy_local_address = US"";
1047int proxy_local_port = 0;
a3c86431
TL		 1048BOOL proxy_session = FALSE;
1049BOOL proxy_session_failed = FALSE;
1050#endif
1051
fffda43a
TK		 1052uschar *prvscheck_address = NULL;
1053uschar *prvscheck_keynum = NULL;
1054uschar *prvscheck_result = NULL;
1055
059ec3d9 1056
55414b25 1057const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH		 1058uschar *qualify_domain_sender = NULL;
1059BOOL queue_2stage = FALSE;
1060uschar *queue_domains = NULL;
1061int queue_interval = -1;
1062BOOL queue_list_requires_admin = TRUE;
a2da3176 1063uschar *queue_name = US"";
059ec3d9
PH		 1064BOOL queue_only = FALSE;
1065uschar *queue_only_file = NULL;
1066int queue_only_load = -1;
8669f003 1067BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 1068BOOL queue_only_override = TRUE;
1069BOOL queue_only_policy = FALSE;
1070BOOL queue_run_first_delivery = FALSE;
1071BOOL queue_run_force = FALSE;
1072BOOL queue_run_in_order = FALSE;
1073BOOL queue_run_local = FALSE;
0cd5fd23 1074uschar *queue_run_max = US"5";
059ec3d9
PH		 1075pid_t queue_run_pid = (pid_t)0;
1076int queue_run_pipe = -1;
1077BOOL queue_running = FALSE;
1078BOOL queue_smtp = FALSE;
1079uschar *queue_smtp_domains = NULL;
1080
1081unsigned int random_seed = 0;
fe0dab11 1082tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 1083tree_node *ratelimiters_conn = NULL;
1084tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 1085uschar *raw_active_hostname = NULL;
1086uschar *raw_sender = NULL;
1087uschar **raw_recipients = NULL;
1088int raw_recipients_count = 0;
1089
1090int rcpt_count = 0;
1091int rcpt_fail_count = 0;
1092int rcpt_defer_count = 0;
1093gid_t real_gid;
1094uid_t real_uid;
1095BOOL really_exim = TRUE;
1096BOOL receive_call_bombout = FALSE;
1097int receive_linecount = 0;
1098int receive_messagecount = 0;
1099int receive_timeout = 0;
1100int received_count = 0;
1101uschar *received_for = NULL;
1102
1103/* This is the default text for Received headers generated by Exim. The
1104date will be automatically added on the end. */
1105
1106uschar *received_header_text = US
1107 "Received: "
1108 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1109 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 1110 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1111 "by $primary_hostname "
1112 "${if def:received_protocol {with $received_protocol}} "
1113 #ifdef SUPPORT_TLS
1114 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1115 #endif
1116 "(Exim $version_number)\n\t"
3e46c1aa 1117 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1118 "id $message_exim_id"
059ec3d9
PH		 1119 "${if def:received_for {\n\tfor $received_for}}"
1120 "\0<---------------Space to patch received_header_text->";
1121
1122int received_headers_max = 30;
1123uschar *received_protocol = NULL;
32dfdf8b 1124struct timeval received_time = { 0, 0 };
306c6c77 1125struct timeval received_time_taken = { 0, 0 };
059ec3d9
PH		 1126uschar *recipient_data = NULL;
1127uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1128uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 1129int recipients_count = 0;
1130BOOL recipients_discarded = FALSE;
1131recipient_item *recipients_list = NULL;
1132int recipients_list_max = 0;
1133int recipients_max = 0;
1134BOOL recipients_max_reject = FALSE;
1135const pcre *regex_AUTH = NULL;
1136const pcre *regex_check_dns_names = NULL;
1137const pcre *regex_From = NULL;
f1513293 1138const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1139const pcre *regex_PIPELINING = NULL;
1140const pcre *regex_SIZE = NULL;
1141const pcre *regex_ismsgid = NULL;
f38917cc
JH		 1142const pcre *regex_smtp_code = NULL;
1143uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP		 1144#ifdef WHITELIST_D_MACROS
1145const pcre *regex_whitelisted_macro = NULL;
1146#endif
8523533c
TK		 1147#ifdef WITH_CONTENT_SCAN
1148uschar *regex_match_string = NULL;
1149#endif
059ec3d9
PH		 1150int remote_delivery_count = 0;
1151int remote_max_parallel = 2;
1152uschar *remote_sort_domains = NULL;
1153int retry_data_expire = 7*24*60*60;
1154int retry_interval_max = 24*60*60;
1155int retry_maximum_timeout = 0; /* set from retry config */
1156retry_config *retries = NULL;
1157uschar *return_path = NULL;
1158BOOL return_path_remove = TRUE;
1159int rewrite_existflags = 0;
f926e272
JH		 1160uschar *rfc1413_hosts = US"@[]";
1161int rfc1413_query_timeout = 0;
059ec3d9 1162/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1163uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1164uid_t root_uid = ROOT_UID;
1165
1166router_instance *routers = NULL;
1167router_instance router_defaults = {
f2ed27cf
JH		 1168 .next = NULL,
1169 .name = NULL,
1170 .info = NULL,
1171 .options_block = NULL,
1172 .driver_name = NULL,
059ec3d9 1173
f2ed27cf 1174 .address_data = NULL,
8523533c 1175#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf 1176 .bmi_rule = NULL,
8e669ac1 1177#endif
f2ed27cf
JH		 1178 .cannot_route_message = NULL,
1179 .condition = NULL,
1180 .current_directory = NULL,
1181 .debug_string = NULL,
1182 .domains = NULL,
1183 .errors_to = NULL,
1184 .expand_gid = NULL,
1185 .expand_uid = NULL,
1186 .expand_more = NULL,
1187 .expand_unseen = NULL,
1188 .extra_headers = NULL,
1189 .fallback_hosts = NULL,
1190 .home_directory = NULL,
1191 .ignore_target_hosts = NULL,
1192 .local_parts = NULL,
1193 .pass_router_name = NULL,
1194 .prefix = NULL,
1195 .redirect_router_name = NULL,
1196 .remove_headers = NULL,
1197 .require_files = NULL,
1198 .router_home_directory = NULL,
1199 .self = US"freeze",
1200 .senders = NULL,
1201 .suffix = NULL,
1202 .translate_ip_address = NULL,
1203 .transport_name = NULL,
1204
1205 .address_test = TRUE,
8523533c 1206#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf
JH		 1207 .bmi_deliver_alternate = FALSE,
1208 .bmi_deliver_default = FALSE,
1209 .bmi_dont_deliver = FALSE,
8523533c 1210#endif
f2ed27cf
JH		 1211 .expn = TRUE,
1212 .caseful_local_part = FALSE,
1213 .check_local_user = FALSE,
1214 .disable_logging = FALSE,
1215 .fail_verify_recipient = FALSE,
1216 .fail_verify_sender = FALSE,
1217 .gid_set = FALSE,
1218 .initgroups = FALSE,
1219 .log_as_local = TRUE_UNSET,
1220 .more = TRUE,
1221 .pass_on_timeout = FALSE,
1222 .prefix_optional = FALSE,
1223 .repeat_use = TRUE,
1224 .retry_use_local_part = TRUE_UNSET,
1225 .same_domain_copy_routing = FALSE,
1226 .self_rewrite = FALSE,
1227 .suffix_optional = FALSE,
1228 .verify_only = FALSE,
1229 .verify_recipient = TRUE,
1230 .verify_sender = TRUE,
1231 .uid_set = FALSE,
1232 .unseen = FALSE,
1233 .dsn_lasthop = FALSE,
1234
1235 .self_code = self_freeze,
1236 .uid = (uid_t)(-1),
1237 .gid = (gid_t)(-1),
1238
1239 .fallback_hostlist = NULL,
1240 .transport = NULL,
1241 .pass_router = NULL,
1242 .redirect_router = NULL,
1243
1244 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH		 1245};
1246
181d9bf8
JH		 1247uschar *router_name = NULL;
1248
059ec3d9
PH		 1249ip_address_item *running_interfaces = NULL;
1250BOOL running_in_test_harness = FALSE;
1251
1252/* This is a weird one. The following string gets patched in the binary by the
1253script that sets up a copy of Exim for running in the test harness. It seems
1254that compilers are now clever, and share constant strings if they can.
1255Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1256make use of the end of this string in order to save space. So the patching then
8669f003 1257wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1258onto the end of the string. */
1259
1260uschar *running_status = US">>>running<<<" "\0EXTRA";
1261
1262int runrc = 0;
1263
1264uschar *search_error_message = NULL;
1265BOOL search_find_defer = FALSE;
1266uschar *self_hostname = NULL;
1267uschar *sender_address = NULL;
1268unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1269uschar *sender_address_data = NULL;
059ec3d9
PH		 1270BOOL sender_address_forced = FALSE;
1271uschar *sender_address_unrewritten = NULL;
1272uschar *sender_data = NULL;
1273unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1274uschar *sender_fullhost = NULL;
1705dd20 1275BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH		 1276uschar *sender_helo_name = NULL;
1277uschar **sender_host_aliases = &no_aliases;
1278uschar *sender_host_address = NULL;
1279uschar *sender_host_authenticated = NULL;
1280unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1281BOOL sender_host_dnssec = FALSE;
059ec3d9
PH		 1282uschar *sender_host_name = NULL;
1283int sender_host_port = 0;
1284BOOL sender_host_notsocket = FALSE;
1285BOOL sender_host_unknown = FALSE;
1286uschar *sender_ident = NULL;
1287BOOL sender_local = FALSE;
2fe1a124 1288BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1289uschar *sender_rate = NULL;
1290uschar *sender_rate_limit = NULL;
1291uschar *sender_rate_period = NULL;
059ec3d9
PH		 1292uschar *sender_rcvhost = NULL;
1293BOOL sender_set_untrusted = FALSE;
1294uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1295uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1296address_item *sender_verified_list = NULL;
1297address_item *sender_verified_failed = NULL;
1298int sender_verified_rc = -1;
1299BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1300uschar *sending_ip_address = NULL;
1301int sending_port = -1;
cd59ab18 1302SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1303uschar **sighup_argv = NULL;
846430d9 1304int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH		 1305int smtp_accept_count = 0;
1306BOOL smtp_accept_keepalive = TRUE;
1307int smtp_accept_max = 20;
1308int smtp_accept_max_nonmail= 10;
1309uschar *smtp_accept_max_nonmail_hosts = US"*";
1310int smtp_accept_max_per_connection = 1000;
1311uschar *smtp_accept_max_per_host = NULL;
1312int smtp_accept_queue = 0;
1313int smtp_accept_queue_per_connection = 10;
1314int smtp_accept_reserve = 0;
1315uschar *smtp_active_hostname = NULL;
1316BOOL smtp_authenticated = FALSE;
1f5b4c3d 1317uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1318 "Exim $version_number $tod_full"
1319 "\0<---------------Space to patch smtp_banner->";
1320BOOL smtp_batched_input = FALSE;
1321BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1322int smtp_ch_index = 0;
3ee512ff
PH		 1323uschar *smtp_cmd_argument = NULL;
1324uschar *smtp_cmd_buffer = NULL;
0f1a8658 1325struct timeval smtp_connection_start = {0,0};
b4ed4da0 1326uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1327int smtp_connect_backlog = 20;
1328double smtp_delay_mail = 0.0;
1329double smtp_delay_rcpt = 0.0;
1330BOOL smtp_enforce_sync = TRUE;
1331FILE *smtp_in = NULL;
1332BOOL smtp_input = FALSE;
1333int smtp_load_reserve = -1;
1334int smtp_mailcmd_count = 0;
1335FILE *smtp_out = NULL;
1336uschar *smtp_etrn_command = NULL;
1337BOOL smtp_etrn_serialize = TRUE;
1338int smtp_max_synprot_errors= 3;
1339int smtp_max_unknown_commands = 3;
8f128379 1340uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1341uschar *smtp_ratelimit_hosts = NULL;
1342uschar *smtp_ratelimit_mail = NULL;
1343uschar *smtp_ratelimit_rcpt = NULL;
1344uschar *smtp_read_error = US"";
1345int smtp_receive_timeout = 5*60;
1ad6489e 1346uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH		 1347uschar *smtp_reserve_hosts = NULL;
1348BOOL smtp_return_error_details = FALSE;
1349int smtp_rlm_base = 0;
1350double smtp_rlm_factor = 0.0;
1351int smtp_rlm_limit = 0;
1352int smtp_rlm_threshold = INT_MAX;
1353int smtp_rlr_base = 0;
1354double smtp_rlr_factor = 0.0;
1355int smtp_rlr_limit = 0;
1356int smtp_rlr_threshold = INT_MAX;
2d14f397
JH		 1357unsigned smtp_peer_options = 0;
1358unsigned smtp_peer_options_wrap= 0;
8c5d388a 1359#ifdef SUPPORT_I18N
9d4319df 1360uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1361#endif
8523533c
TK		 1362
1363#ifdef WITH_CONTENT_SCAN
1364uschar *spamd_address = US"127.0.0.1 783";
1365uschar *spam_bar = NULL;
1366uschar *spam_report = NULL;
c5f280e2 1367uschar *spam_action = NULL;
8523533c
TK		 1368uschar *spam_score = NULL;
1369uschar *spam_score_int = NULL;
1370#endif
7952eef9 1371#ifdef SUPPORT_SPF
65a7d8c3 1372uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1373uschar *spf_header_comment = NULL;
1374uschar *spf_received = NULL;
1375uschar *spf_result = NULL;
1376uschar *spf_smtp_comment = NULL;
1377#endif
1378
059ec3d9
PH		 1379BOOL split_spool_directory = FALSE;
1380uschar *spool_directory = US SPOOL_DIRECTORY
1381 "\0<--------------Space to patch spool_directory->";
328c5688
JH		 1382BOOL spool_file_wireformat = FALSE;
1383BOOL spool_wireformat = FALSE;
8523533c
TK		 1384#ifdef EXPERIMENTAL_SRS
1385uschar *srs_config = NULL;
1386uschar *srs_db_address = NULL;
1387uschar *srs_db_key = NULL;
384152a6
TK		 1388int srs_hashlength = 6;
1389int srs_hashmin = -1;
1390int srs_maxage = 31;
8523533c
TK		 1391uschar *srs_orig_recipient = NULL;
1392uschar *srs_orig_sender = NULL;
1393uschar *srs_recipient = NULL;
384152a6 1394uschar *srs_secrets = NULL;
8523533c 1395uschar *srs_status = NULL;
384152a6
TK		 1396BOOL srs_usehash = TRUE;
1397BOOL srs_usetimestamp = TRUE;
8e669ac1 1398#endif
38a0a95f 1399BOOL strict_acl_vars = FALSE;
059ec3d9 1400int string_datestamp_offset= -1;
f1e5fef5
PP		 1401int string_datestamp_length= 0;
1402int string_datestamp_type = -1;
059ec3d9
PH		 1403BOOL strip_excess_angle_brackets = FALSE;
1404BOOL strip_trailing_dot = FALSE;
1405uschar *submission_domain = NULL;
1406BOOL submission_mode = FALSE;
2fe1a124 1407uschar *submission_name = NULL;
8800895a 1408BOOL suppress_local_fixups = FALSE;
f4ee74ac 1409BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH		 1410BOOL synchronous_delivery = FALSE;
1411BOOL syslog_duplication = TRUE;
1412int syslog_facility = LOG_MAIL;
2333e06f 1413BOOL syslog_pid = TRUE;
059ec3d9
PH		 1414uschar *syslog_processname = US"exim";
1415BOOL syslog_timestamp = TRUE;
1416uschar *system_filter = NULL;
1417
1418uschar *system_filter_directory_transport = NULL;
1419uschar *system_filter_file_transport = NULL;
1420uschar *system_filter_pipe_transport = NULL;
1421uschar *system_filter_reply_transport = NULL;
1422
1423gid_t system_filter_gid = 0;
1424BOOL system_filter_gid_set = FALSE;
79d4bc3d 1425uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1426BOOL system_filter_uid_set = FALSE;
1427BOOL system_filtering = FALSE;
1428
6af7e591 1429BOOL tcp_fastopen_ok = FALSE;
0ab63f3d 1430blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
a2673768
JH		 1431BOOL tcp_in_fastopen = FALSE;
1432BOOL tcp_in_fastopen_logged = FALSE;
059ec3d9 1433BOOL tcp_nodelay = TRUE;
1ccd5f67 1434int tcp_out_fastopen = 0;
a2673768 1435BOOL tcp_out_fastopen_logged= FALSE;
5dc43717
JJ		 1436#ifdef USE_TCP_WRAPPERS
1437uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1438#endif
8669f003 1439int test_harness_load_avg = 0;
059ec3d9
PH		 1440int thismessage_size_limit = 0;
1441int timeout_frozen_after = 0;
1442BOOL timestamps_utc = FALSE;
1443
1444transport_instance *transports = NULL;
1445
1446transport_instance transport_defaults = {
f2ed27cf
JH		 1447 .next = NULL,
1448 .name = NULL,
1449 .info = NULL,
1450 .options_block = NULL,
1451 .driver_name = NULL,
1452 .setup = NULL,
1453 .batch_max = 1,
1454 .batch_id = NULL,
1455 .home_dir = NULL,
1456 .current_dir = NULL,
1457 .expand_multi_domain = NULL,
1458 .multi_domain = TRUE,
1459 .overrides_hosts = FALSE,
1460 .max_addresses = 100,
1461 .connection_max_messages = 500,
1462 .deliver_as_creator = FALSE,
1463 .disable_logging = FALSE,
1464 .initgroups = FALSE,
1465 .uid_set = FALSE,
1466 .gid_set = FALSE,
1467 .uid = (uid_t)(-1),
1468 .gid = (gid_t)(-1),
1469 .expand_uid = NULL,
1470 .expand_gid = NULL,
1471 .warn_message = NULL,
1472 .shadow = NULL,
1473 .shadow_condition = NULL,
1474 .filter_command = NULL,
1475 .add_headers = NULL,
1476 .remove_headers = NULL,
1477 .return_path = NULL,
1478 .debug_string = NULL,
1479 .max_parallel = NULL,
1480 .message_size_limit = NULL,
1481 .headers_rewrite = NULL,
1482 .rewrite_rules = NULL,
1483 .rewrite_existflags = 0,
1484 .filter_timeout = 300,
1485 .body_only = FALSE,
1486 .delivery_date_add = FALSE,
1487 .envelope_to_add = FALSE,
1488 .headers_only = FALSE,
1489 .rcpt_include_affixes = FALSE,
1490 .return_path_add = FALSE,
1491 .return_output = FALSE,
1492 .return_fail_output = FALSE,
1493 .log_output = FALSE,
1494 .log_fail_output = FALSE,
1495 .log_defer_output = FALSE,
1496 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1497 1 nor 0 so can detect unset */
0cbf2b82 1498#ifndef DISABLE_EVENT
f2ed27cf 1499 .event_action = NULL
533aaf91 1500#endif
059ec3d9
PH		 1501};
1502
1503int transport_count;
181d9bf8 1504uschar *transport_name = NULL;
332f5cf3 1505int transport_newlines;
55414b25 1506const uschar **transport_filter_argv = NULL;
059ec3d9 1507int transport_filter_timeout;
2e2a30b4 1508BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1509int transport_write_timeout= 0;
1510
1511tree_node *tree_dns_fails = NULL;
1512tree_node *tree_duplicates = NULL;
1513tree_node *tree_nonrecipients = NULL;
1514tree_node *tree_unusable = NULL;
1515
1516BOOL trusted_caller = FALSE;
e2f5dc15 1517BOOL trusted_config = TRUE;
059ec3d9
PH		 1518gid_t *trusted_groups = NULL;
1519uid_t *trusted_users = NULL;
1520uschar *timezone_string = US TIMEZONE_DEFAULT;
1521
1522uschar *unknown_login = NULL;
1523uschar *unknown_username = NULL;
1524uschar *untrusted_set_sender = NULL;
1525
1526/* A regex for matching a "From_" line in an incoming message, in the form
1527
1528 From ph10 Fri Jan 5 12:35 GMT 1996
1529
1530which the "mail" commands send to the MTA (undocumented, of course), or in
1531the form
1532
1533 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1534
1535which is apparently used by some UUCPs, despite it not being in RFC 976.
1536Because of variations in time formats, just match up to the minutes. That
1537should be sufficient. Examples have been seen of time fields like 12:1:03,
1538so just require one digit for hours and minutes. The weekday is also absent
1539in some forms. */
1540
1541uschar *uucp_from_pattern = US
1542 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1543 "(?:" /* Non-extracting bracket */
1544 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1545 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1546 ")" /* End alternation */
1547 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1548
1549uschar *uucp_from_sender = US"$1";
1550
aec45841 1551uschar *verify_mode = NULL;
f45100a3 1552uschar *version_copyright =
f9ba5e22 1553 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
d4e5e70b 1554 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
059ec3d9
PH		 1555uschar *version_date = US"?";
1556uschar *version_cnumber = US"????";
1557uschar *version_string = US"?";
1558
aec45841 1559uschar *warn_message_file = NULL;
059ec3d9 1560int warning_count = 0;
aec45841
JH		 1561uschar *warnmsg_delay = NULL;
1562uschar *warnmsg_recipients = NULL;
1563BOOL write_rejectlog = TRUE;
1564
059ec3d9
PH		 1565
1566/* End of globals.c */
Unnamed repository; edit this file 'description' to name the repository.