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Docs: remove extraneous options from variables index
[exim.git] / src / src / globals.c
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
d4e5e70b 5/* Copyright (c) University of Cambridge 1995 - 2017 */
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;
32b8ce41 491uschar *builtin_macros_create_trigger = NULL;
059ec3d9 492
055e2cb4 493uschar *callout_address = NULL;
059ec3d9
PH		 494int callout_cache_domain_positive_expire = 7*24*60*60;
495int callout_cache_domain_negative_expire = 3*60*60;
496int callout_cache_positive_expire = 24*60*60;
497int callout_cache_negative_expire = 2*60*60;
498uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 499uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
ddf1b11a
JH		 500int check_log_inodes = 100;
501int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
a0d6ba8a 502BOOL check_rfc2047_length = TRUE;
ddf1b11a
JH		 503int check_spool_inodes = 100;
504int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
18481de3 505
aa368db3 506uschar *chunking_advertise_hosts = US"*";
18481de3 507unsigned chunking_datasize = 0;
7e3ce68e
JH		 508unsigned chunking_data_left = 0;
509BOOL chunking_offered = FALSE;
18481de3 510chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
f98442df 511const pcre *regex_CHUNKING = NULL;
18481de3 512
aa368db3
JH		 513uschar *client_authenticator = NULL;
514uschar *client_authenticated_id = NULL;
515uschar *client_authenticated_sender = NULL;
059ec3d9
PH		 516int clmacro_count = 0;
517uschar *clmacros[MAX_CLMACROS];
f33875c3 518BOOL commandline_checks_require_admin = FALSE;
059ec3d9
PH		 519BOOL config_changed = FALSE;
520FILE *config_file = NULL;
18d6b513 521const uschar *config_filename = NULL;
059ec3d9 522int config_lineno = 0;
35edf2ff
PH		 523#ifdef CONFIGURE_GROUP
524gid_t config_gid = CONFIGURE_GROUP;
19bfe9e7
HSHR		 525#else
526gid_t config_gid = 0;
35edf2ff 527#endif
059ec3d9
PH		 528uschar *config_main_filelist = US CONFIGURE_FILE
529 "\0<-----------Space to patch configure_filename->";
530uschar *config_main_filename = NULL;
98b8312f 531uschar *config_main_directory = NULL;
059ec3d9
PH		 532
533#ifdef CONFIGURE_OWNER
534uid_t config_uid = CONFIGURE_OWNER;
19bfe9e7
HSHR		 535#else
536uid_t config_uid = 0;
059ec3d9
PH		 537#endif
538
539int connection_max_messages= -1;
5013d912 540uschar *continue_proxy_cipher = NULL;
059ec3d9
PH		 541uschar *continue_hostname = NULL;
542uschar *continue_host_address = NULL;
543BOOL continue_more = FALSE;
544int continue_sequence = 1;
545uschar *continue_transport = NULL;
546
e5a9dba6 547uschar *csa_status = NULL;
5032d1cf 548cut_t cutthrough = {
f2ed27cf
JH		 549 .callout_hold_only = FALSE, /* verify-only: normal delivery */
550 .delivery = FALSE, /* when to attempt */
551 .defer_pass = FALSE, /* on defer: spool locally */
552 .is_tls = FALSE, /* not a TLS conn yet */
553 .fd = -1, /* open connection */
554 .nrcpt = 0, /* number of addresses */
5032d1cf 555};
e5a9dba6 556
059ec3d9
PH		 557BOOL daemon_listen = FALSE;
558uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 559int daemon_startup_retries = 9;
560int daemon_startup_sleep = 30;
6a8f9482
TK		 561
562#ifdef EXPERIMENTAL_DCC
563BOOL dcc_direct_add_header = FALSE;
564uschar *dcc_header = NULL;
565uschar *dcc_result = NULL;
566uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
567uschar *dccifd_options = US"header";
568#endif
569
3d235903 570BOOL debug_daemon = FALSE;
059ec3d9
PH		 571int debug_fd = -1;
572FILE *debug_file = NULL;
6c6d6e48
TF		 573int debug_notall[] = {
574 Di_memory,
575 -1
059ec3d9 576};
6c6d6e48
TF		 577bit_table debug_options[] = { /* must be in alphabetical order */
578 BIT_TABLE(D, acl),
579 BIT_TABLE(D, all),
580 BIT_TABLE(D, auth),
581 BIT_TABLE(D, deliver),
582 BIT_TABLE(D, dns),
583 BIT_TABLE(D, dnsbl),
584 BIT_TABLE(D, exec),
585 BIT_TABLE(D, expand),
586 BIT_TABLE(D, filter),
587 BIT_TABLE(D, hints_lookup),
588 BIT_TABLE(D, host_lookup),
589 BIT_TABLE(D, ident),
590 BIT_TABLE(D, interface),
591 BIT_TABLE(D, lists),
592 BIT_TABLE(D, load),
593 BIT_TABLE(D, local_scan),
594 BIT_TABLE(D, lookup),
595 BIT_TABLE(D, memory),
596 BIT_TABLE(D, pid),
597 BIT_TABLE(D, process_info),
598 BIT_TABLE(D, queue_run),
599 BIT_TABLE(D, receive),
600 BIT_TABLE(D, resolver),
601 BIT_TABLE(D, retry),
602 BIT_TABLE(D, rewrite),
603 BIT_TABLE(D, route),
604 BIT_TABLE(D, timestamp),
605 BIT_TABLE(D, tls),
606 BIT_TABLE(D, transport),
607 BIT_TABLE(D, uid),
608 BIT_TABLE(D, verify),
609};
610int debug_options_count = nelem(debug_options);
611
059ec3d9 612unsigned int debug_selector = 0;
64073d9c 613BOOL debug_store = FALSE;
059ec3d9 614int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 615uschar *delay_warning_condition=
616 US"${if or {"
e85a7ad5 617 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 618 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
619 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
620 "} {no}{yes}}";
059ec3d9
PH		 621BOOL delivery_date_remove = TRUE;
622uschar *deliver_address_data = NULL;
623int deliver_datafile = -1;
55414b25 624const uschar *deliver_domain = NULL;
059ec3d9 625uschar *deliver_domain_data = NULL;
55414b25
JH		 626const uschar *deliver_domain_orig = NULL;
627const uschar *deliver_domain_parent = NULL;
059ec3d9
PH		 628BOOL deliver_drop_privilege = FALSE;
629BOOL deliver_firsttime = FALSE;
630BOOL deliver_force = FALSE;
631BOOL deliver_freeze = FALSE;
19050083 632time_t deliver_frozen_at = 0;
059ec3d9 633uschar *deliver_home = NULL;
55414b25
JH		 634const uschar *deliver_host = NULL;
635const uschar *deliver_host_address = NULL;
a7538db1 636int deliver_host_port = 0;
059ec3d9
PH		 637uschar *deliver_in_buffer = NULL;
638ino_t deliver_inode = 0;
639uschar *deliver_localpart = NULL;
640uschar *deliver_localpart_data = NULL;
641uschar *deliver_localpart_orig = NULL;
642uschar *deliver_localpart_parent = NULL;
643uschar *deliver_localpart_prefix = NULL;
644uschar *deliver_localpart_suffix = NULL;
645BOOL deliver_force_thaw = FALSE;
646BOOL deliver_manual_thaw = FALSE;
647uschar *deliver_out_buffer = NULL;
648int deliver_queue_load_max = -1;
649address_item *deliver_recipients = NULL;
650uschar *deliver_selectstring = NULL;
651BOOL deliver_selectstring_regex = FALSE;
652uschar *deliver_selectstring_sender = NULL;
653BOOL deliver_selectstring_sender_regex = FALSE;
4c590bd1 654BOOL disable_callout_flush = FALSE;
047bdd8c 655BOOL disable_delay_flush = FALSE;
54fc8428
PH		 656#ifdef ENABLE_DISABLE_FSYNC
657BOOL disable_fsync = FALSE;
658#endif
7e66e54d 659BOOL disable_ipv6 = FALSE;
059ec3d9
PH		 660BOOL disable_logging = FALSE;
661
80a47a2c 662#ifndef DISABLE_DKIM
abe1010c 663BOOL dkim_collect_input = FALSE;
2df588c9 664uschar *dkim_cur_signer = NULL;
abe1010c
JH		 665BOOL dkim_disable_verify = FALSE;
666int dkim_key_length = 0;
9e5d6b55 667uschar *dkim_signers = NULL;
f7572e5a
TK		 668uschar *dkim_signing_domain = NULL;
669uschar *dkim_signing_selector = 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,
861 Li_dnslist_defer,
862 Li_etrn,
863 Li_host_lookup_failed,
864 Li_lost_incoming_connection,
ac881e27 865 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF		 866 Li_queue_run,
867 Li_rejected_header,
868 Li_retry_defer,
869 Li_sender_verify_fail,
870 Li_size_reject,
871 Li_skip_delivery,
872 Li_smtp_confirmation,
873 Li_tls_certificate_verified,
874 Li_tls_cipher,
875 -1
876};
877
059ec3d9
PH		 878uschar *log_file_path = US LOG_FILE_PATH
879 "\0<--------------Space to patch log_file_path->";
880
6c6d6e48
TF		 881int log_notall[] = {
882 -1
883};
884bit_table log_options[] = { /* must be in alphabetical order */
885 BIT_TABLE(L, 8bitmime),
886 BIT_TABLE(L, acl_warn_skipped),
887 BIT_TABLE(L, address_rewrite),
888 BIT_TABLE(L, all),
889 BIT_TABLE(L, all_parents),
890 BIT_TABLE(L, arguments),
891 BIT_TABLE(L, connection_reject),
892 BIT_TABLE(L, delay_delivery),
893 BIT_TABLE(L, deliver_time),
894 BIT_TABLE(L, delivery_size),
895 BIT_TABLE(L, dnslist_defer),
fc16abb4 896 BIT_TABLE(L, dnssec),
6c6d6e48
TF		 897 BIT_TABLE(L, etrn),
898 BIT_TABLE(L, host_lookup_failed),
899 BIT_TABLE(L, ident_timeout),
900 BIT_TABLE(L, incoming_interface),
901 BIT_TABLE(L, incoming_port),
902 BIT_TABLE(L, lost_incoming_connection),
571b2715 903 BIT_TABLE(L, millisec),
ac881e27 904 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF		 905 BIT_TABLE(L, outgoing_port),
906 BIT_TABLE(L, pid),
e6d2a989 907#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
6c6d6e48
TF		 908 BIT_TABLE(L, proxy),
909#endif
910 BIT_TABLE(L, queue_run),
911 BIT_TABLE(L, queue_time),
912 BIT_TABLE(L, queue_time_overall),
913 BIT_TABLE(L, received_recipients),
914 BIT_TABLE(L, received_sender),
915 BIT_TABLE(L, rejected_header),
916 { US"rejected_headers", Li_rejected_header },
917 BIT_TABLE(L, retry_defer),
918 BIT_TABLE(L, return_path_on_delivery),
919 BIT_TABLE(L, sender_on_delivery),
920 BIT_TABLE(L, sender_verify_fail),
921 BIT_TABLE(L, size_reject),
922 BIT_TABLE(L, skip_delivery),
923 BIT_TABLE(L, smtp_confirmation),
924 BIT_TABLE(L, smtp_connection),
925 BIT_TABLE(L, smtp_incomplete_transaction),
926 BIT_TABLE(L, smtp_mailauth),
927 BIT_TABLE(L, smtp_no_mail),
928 BIT_TABLE(L, smtp_protocol_error),
929 BIT_TABLE(L, smtp_syntax_error),
930 BIT_TABLE(L, subject),
931 BIT_TABLE(L, tls_certificate_verified),
932 BIT_TABLE(L, tls_cipher),
933 BIT_TABLE(L, tls_peerdn),
934 BIT_TABLE(L, tls_sni),
935 BIT_TABLE(L, unknown_in_list),
059ec3d9 936};
6c6d6e48 937int log_options_count = nelem(log_options);
059ec3d9 938
6ea85e9a 939int log_reject_target = 0;
6c6d6e48 940unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH		 941uschar *log_selector_string = NULL;
942FILE *log_stderr = NULL;
943BOOL log_testing_mode = FALSE;
944BOOL log_timezone = FALSE;
945uschar *login_sender_address = NULL;
4e0983dc 946uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH		 947int lookup_open_max = 25;
948uschar *lookup_value = NULL;
949
059ec3d9 950uschar *mailstore_basename = NULL;
8523533c
TK		 951#ifdef WITH_CONTENT_SCAN
952uschar *malware_name = NULL; /* Virus Name */
953#endif
d677b2f2 954int max_received_linelength= 0;
059ec3d9
PH		 955int max_username_length = 0;
956int message_age = 0;
957uschar *message_body = NULL;
958uschar *message_body_end = NULL;
ddea74fa 959BOOL message_body_newlines = FALSE;
059ec3d9
PH		 960int message_body_size = 0;
961int message_body_visible = 500;
962int message_ended = END_NOTSTARTED;
963uschar *message_headers = NULL;
964uschar *message_id;
965uschar *message_id_domain = NULL;
966uschar *message_id_text = NULL;
967struct timeval message_id_tv = { 0, 0 };
968uschar message_id_option[MESSAGE_ID_LENGTH + 3];
969uschar *message_id_external;
970int message_linecount = 0;
971BOOL message_logs = TRUE;
972int message_size = 0;
973uschar *message_size_limit = US"50M";
8c5d388a 974#ifdef SUPPORT_I18N
eb02f5df 975BOOL message_smtputf8 = FALSE;
3c8b3577 976int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 977#endif
059ec3d9
PH		 978uschar message_subdir[2] = { 0, 0 };
979uschar *message_reference = NULL;
8523533c
TK		 980
981/* MIME ACL expandables */
982#ifdef WITH_CONTENT_SCAN
f7b63901 983int mime_anomaly_level = 0;
1ba28e2b 984const uschar *mime_anomaly_text = NULL;
8523533c
TK		 985uschar *mime_boundary = NULL;
986uschar *mime_charset = NULL;
987uschar *mime_content_description = NULL;
988uschar *mime_content_disposition = NULL;
989uschar *mime_content_id = NULL;
990unsigned int mime_content_size = 0;
991uschar *mime_content_transfer_encoding = NULL;
992uschar *mime_content_type = NULL;
993uschar *mime_decoded_filename = NULL;
994uschar *mime_filename = NULL;
995int mime_is_multipart = 0;
996int mime_is_coverletter = 0;
997int mime_is_rfc822 = 0;
998int mime_part_count = -1;
999#endif
1000
059ec3d9
PH		 1001BOOL mua_wrapper = FALSE;
1002
1003uid_t *never_users = NULL;
8523533c
TK		 1004#ifdef WITH_CONTENT_SCAN
1005BOOL no_mbox_unspool = FALSE;
1006#endif
059ec3d9
PH		 1007BOOL no_multiline_responses = FALSE;
1008
fb05276a
JH		 1009const int on = 1; /* for setsockopt */
1010const int off = 0;
1011
059ec3d9
PH		 1012uid_t original_euid;
1013gid_t originator_gid;
1014uschar *originator_login = NULL;
1015uschar *originator_name = NULL;
1016uid_t originator_uid;
1017uschar *override_local_interfaces = NULL;
1018uschar *override_pid_file_path = NULL;
1019
1020BOOL parse_allow_group = FALSE;
1021BOOL parse_found_group = FALSE;
1022uschar *percent_hack_domains = NULL;
1023uschar *pid_file_path = US PID_FILE_PATH
1024 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 1025BOOL pipelining_enable = TRUE;
059ec3d9
PH		 1026uschar *pipelining_advertise_hosts = US"*";
1027BOOL preserve_message_logs = FALSE;
1028uschar *primary_hostname = NULL;
1029BOOL print_topbitchars = FALSE;
1030uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1031int process_info_len = 0;
059ec3d9
PH		 1032uschar *process_log_path = NULL;
1033BOOL prod_requires_admin = TRUE;
a3c86431 1034
e6d2a989 1035#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 1036uschar *hosts_proxy = US"";
e6d2a989
JH		 1037uschar *proxy_external_address = US"";
1038int proxy_external_port = 0;
1039uschar *proxy_local_address = US"";
1040int proxy_local_port = 0;
a3c86431
TL		 1041BOOL proxy_session = FALSE;
1042BOOL proxy_session_failed = FALSE;
1043#endif
1044
fffda43a
TK		 1045uschar *prvscheck_address = NULL;
1046uschar *prvscheck_keynum = NULL;
1047uschar *prvscheck_result = NULL;
1048
059ec3d9 1049
55414b25 1050const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH		 1051uschar *qualify_domain_sender = NULL;
1052BOOL queue_2stage = FALSE;
1053uschar *queue_domains = NULL;
1054int queue_interval = -1;
1055BOOL queue_list_requires_admin = TRUE;
a2da3176 1056uschar *queue_name = US"";
059ec3d9
PH		 1057BOOL queue_only = FALSE;
1058uschar *queue_only_file = NULL;
1059int queue_only_load = -1;
8669f003 1060BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 1061BOOL queue_only_override = TRUE;
1062BOOL queue_only_policy = FALSE;
1063BOOL queue_run_first_delivery = FALSE;
1064BOOL queue_run_force = FALSE;
1065BOOL queue_run_in_order = FALSE;
1066BOOL queue_run_local = FALSE;
0cd5fd23 1067uschar *queue_run_max = US"5";
059ec3d9
PH		 1068pid_t queue_run_pid = (pid_t)0;
1069int queue_run_pipe = -1;
1070BOOL queue_running = FALSE;
1071BOOL queue_smtp = FALSE;
1072uschar *queue_smtp_domains = NULL;
1073
1074unsigned int random_seed = 0;
fe0dab11 1075tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 1076tree_node *ratelimiters_conn = NULL;
1077tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 1078uschar *raw_active_hostname = NULL;
1079uschar *raw_sender = NULL;
1080uschar **raw_recipients = NULL;
1081int raw_recipients_count = 0;
1082
1083int rcpt_count = 0;
1084int rcpt_fail_count = 0;
1085int rcpt_defer_count = 0;
1086gid_t real_gid;
1087uid_t real_uid;
1088BOOL really_exim = TRUE;
1089BOOL receive_call_bombout = FALSE;
1090int receive_linecount = 0;
1091int receive_messagecount = 0;
1092int receive_timeout = 0;
1093int received_count = 0;
1094uschar *received_for = NULL;
1095
1096/* This is the default text for Received headers generated by Exim. The
1097date will be automatically added on the end. */
1098
1099uschar *received_header_text = US
1100 "Received: "
1101 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1102 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 1103 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1104 "by $primary_hostname "
1105 "${if def:received_protocol {with $received_protocol}} "
1106 #ifdef SUPPORT_TLS
1107 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1108 #endif
1109 "(Exim $version_number)\n\t"
3e46c1aa 1110 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1111 "id $message_exim_id"
059ec3d9
PH		 1112 "${if def:received_for {\n\tfor $received_for}}"
1113 "\0<---------------Space to patch received_header_text->";
1114
1115int received_headers_max = 30;
1116uschar *received_protocol = NULL;
32dfdf8b 1117struct timeval received_time = { 0, 0 };
059ec3d9
PH		 1118uschar *recipient_data = NULL;
1119uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1120uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 1121int recipients_count = 0;
1122BOOL recipients_discarded = FALSE;
1123recipient_item *recipients_list = NULL;
1124int recipients_list_max = 0;
1125int recipients_max = 0;
1126BOOL recipients_max_reject = FALSE;
1127const pcre *regex_AUTH = NULL;
1128const pcre *regex_check_dns_names = NULL;
1129const pcre *regex_From = NULL;
f1513293 1130const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1131const pcre *regex_PIPELINING = NULL;
1132const pcre *regex_SIZE = NULL;
1133const pcre *regex_ismsgid = NULL;
f38917cc
JH		 1134const pcre *regex_smtp_code = NULL;
1135uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP		 1136#ifdef WHITELIST_D_MACROS
1137const pcre *regex_whitelisted_macro = NULL;
1138#endif
8523533c
TK		 1139#ifdef WITH_CONTENT_SCAN
1140uschar *regex_match_string = NULL;
1141#endif
059ec3d9
PH		 1142int remote_delivery_count = 0;
1143int remote_max_parallel = 2;
1144uschar *remote_sort_domains = NULL;
1145int retry_data_expire = 7*24*60*60;
1146int retry_interval_max = 24*60*60;
1147int retry_maximum_timeout = 0; /* set from retry config */
1148retry_config *retries = NULL;
1149uschar *return_path = NULL;
1150BOOL return_path_remove = TRUE;
1151int rewrite_existflags = 0;
f926e272
JH		 1152uschar *rfc1413_hosts = US"@[]";
1153int rfc1413_query_timeout = 0;
059ec3d9 1154/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1155uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1156uid_t root_uid = ROOT_UID;
1157
1158router_instance *routers = NULL;
1159router_instance router_defaults = {
f2ed27cf
JH		 1160 .next = NULL,
1161 .name = NULL,
1162 .info = NULL,
1163 .options_block = NULL,
1164 .driver_name = NULL,
059ec3d9 1165
f2ed27cf 1166 .address_data = NULL,
8523533c 1167#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf 1168 .bmi_rule = NULL,
8e669ac1 1169#endif
f2ed27cf
JH		 1170 .cannot_route_message = NULL,
1171 .condition = NULL,
1172 .current_directory = NULL,
1173 .debug_string = NULL,
1174 .domains = NULL,
1175 .errors_to = NULL,
1176 .expand_gid = NULL,
1177 .expand_uid = NULL,
1178 .expand_more = NULL,
1179 .expand_unseen = NULL,
1180 .extra_headers = NULL,
1181 .fallback_hosts = NULL,
1182 .home_directory = NULL,
1183 .ignore_target_hosts = NULL,
1184 .local_parts = NULL,
1185 .pass_router_name = NULL,
1186 .prefix = NULL,
1187 .redirect_router_name = NULL,
1188 .remove_headers = NULL,
1189 .require_files = NULL,
1190 .router_home_directory = NULL,
1191 .self = US"freeze",
1192 .senders = NULL,
1193 .suffix = NULL,
1194 .translate_ip_address = NULL,
1195 .transport_name = NULL,
1196
1197 .address_test = TRUE,
8523533c 1198#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf
JH		 1199 .bmi_deliver_alternate = FALSE,
1200 .bmi_deliver_default = FALSE,
1201 .bmi_dont_deliver = FALSE,
8523533c 1202#endif
f2ed27cf
JH		 1203 .expn = TRUE,
1204 .caseful_local_part = FALSE,
1205 .check_local_user = FALSE,
1206 .disable_logging = FALSE,
1207 .fail_verify_recipient = FALSE,
1208 .fail_verify_sender = FALSE,
1209 .gid_set = FALSE,
1210 .initgroups = FALSE,
1211 .log_as_local = TRUE_UNSET,
1212 .more = TRUE,
1213 .pass_on_timeout = FALSE,
1214 .prefix_optional = FALSE,
1215 .repeat_use = TRUE,
1216 .retry_use_local_part = TRUE_UNSET,
1217 .same_domain_copy_routing = FALSE,
1218 .self_rewrite = FALSE,
1219 .suffix_optional = FALSE,
1220 .verify_only = FALSE,
1221 .verify_recipient = TRUE,
1222 .verify_sender = TRUE,
1223 .uid_set = FALSE,
1224 .unseen = FALSE,
1225 .dsn_lasthop = FALSE,
1226
1227 .self_code = self_freeze,
1228 .uid = (uid_t)(-1),
1229 .gid = (gid_t)(-1),
1230
1231 .fallback_hostlist = NULL,
1232 .transport = NULL,
1233 .pass_router = NULL,
1234 .redirect_router = NULL,
1235
1236 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH		 1237};
1238
181d9bf8
JH		 1239uschar *router_name = NULL;
1240
059ec3d9
PH		 1241ip_address_item *running_interfaces = NULL;
1242BOOL running_in_test_harness = FALSE;
1243
1244/* This is a weird one. The following string gets patched in the binary by the
1245script that sets up a copy of Exim for running in the test harness. It seems
1246that compilers are now clever, and share constant strings if they can.
1247Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1248make use of the end of this string in order to save space. So the patching then
8669f003 1249wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1250onto the end of the string. */
1251
1252uschar *running_status = US">>>running<<<" "\0EXTRA";
1253
1254int runrc = 0;
1255
1256uschar *search_error_message = NULL;
1257BOOL search_find_defer = FALSE;
1258uschar *self_hostname = NULL;
1259uschar *sender_address = NULL;
1260unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1261uschar *sender_address_data = NULL;
059ec3d9
PH		 1262BOOL sender_address_forced = FALSE;
1263uschar *sender_address_unrewritten = NULL;
1264uschar *sender_data = NULL;
1265unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1266uschar *sender_fullhost = NULL;
1705dd20 1267BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH		 1268uschar *sender_helo_name = NULL;
1269uschar **sender_host_aliases = &no_aliases;
1270uschar *sender_host_address = NULL;
1271uschar *sender_host_authenticated = NULL;
1272unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1273BOOL sender_host_dnssec = FALSE;
059ec3d9
PH		 1274uschar *sender_host_name = NULL;
1275int sender_host_port = 0;
1276BOOL sender_host_notsocket = FALSE;
1277BOOL sender_host_unknown = FALSE;
1278uschar *sender_ident = NULL;
1279BOOL sender_local = FALSE;
2fe1a124 1280BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1281uschar *sender_rate = NULL;
1282uschar *sender_rate_limit = NULL;
1283uschar *sender_rate_period = NULL;
059ec3d9
PH		 1284uschar *sender_rcvhost = NULL;
1285BOOL sender_set_untrusted = FALSE;
1286uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1287uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1288address_item *sender_verified_list = NULL;
1289address_item *sender_verified_failed = NULL;
1290int sender_verified_rc = -1;
1291BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1292uschar *sending_ip_address = NULL;
1293int sending_port = -1;
cd59ab18 1294SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1295uschar **sighup_argv = NULL;
846430d9 1296int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH		 1297int smtp_accept_count = 0;
1298BOOL smtp_accept_keepalive = TRUE;
1299int smtp_accept_max = 20;
1300int smtp_accept_max_nonmail= 10;
1301uschar *smtp_accept_max_nonmail_hosts = US"*";
1302int smtp_accept_max_per_connection = 1000;
1303uschar *smtp_accept_max_per_host = NULL;
1304int smtp_accept_queue = 0;
1305int smtp_accept_queue_per_connection = 10;
1306int smtp_accept_reserve = 0;
1307uschar *smtp_active_hostname = NULL;
1308BOOL smtp_authenticated = FALSE;
1f5b4c3d 1309uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1310 "Exim $version_number $tod_full"
1311 "\0<---------------Space to patch smtp_banner->";
1312BOOL smtp_batched_input = FALSE;
1313BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1314int smtp_ch_index = 0;
3ee512ff
PH		 1315uschar *smtp_cmd_argument = NULL;
1316uschar *smtp_cmd_buffer = NULL;
0f1a8658 1317struct timeval smtp_connection_start = {0,0};
b4ed4da0 1318uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1319int smtp_connect_backlog = 20;
1320double smtp_delay_mail = 0.0;
1321double smtp_delay_rcpt = 0.0;
1322BOOL smtp_enforce_sync = TRUE;
1323FILE *smtp_in = NULL;
1324BOOL smtp_input = FALSE;
1325int smtp_load_reserve = -1;
1326int smtp_mailcmd_count = 0;
1327FILE *smtp_out = NULL;
1328uschar *smtp_etrn_command = NULL;
1329BOOL smtp_etrn_serialize = TRUE;
1330int smtp_max_synprot_errors= 3;
1331int smtp_max_unknown_commands = 3;
8f128379 1332uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1333uschar *smtp_ratelimit_hosts = NULL;
1334uschar *smtp_ratelimit_mail = NULL;
1335uschar *smtp_ratelimit_rcpt = NULL;
1336uschar *smtp_read_error = US"";
1337int smtp_receive_timeout = 5*60;
1ad6489e 1338uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH		 1339uschar *smtp_reserve_hosts = NULL;
1340BOOL smtp_return_error_details = FALSE;
1341int smtp_rlm_base = 0;
1342double smtp_rlm_factor = 0.0;
1343int smtp_rlm_limit = 0;
1344int smtp_rlm_threshold = INT_MAX;
1345int smtp_rlr_base = 0;
1346double smtp_rlr_factor = 0.0;
1347int smtp_rlr_limit = 0;
1348int smtp_rlr_threshold = INT_MAX;
2d14f397
JH		 1349unsigned smtp_peer_options = 0;
1350unsigned smtp_peer_options_wrap= 0;
8c5d388a 1351#ifdef SUPPORT_I18N
9d4319df 1352uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1353#endif
8523533c
TK		 1354
1355#ifdef WITH_CONTENT_SCAN
1356uschar *spamd_address = US"127.0.0.1 783";
1357uschar *spam_bar = NULL;
1358uschar *spam_report = NULL;
c5f280e2 1359uschar *spam_action = NULL;
8523533c
TK		 1360uschar *spam_score = NULL;
1361uschar *spam_score_int = NULL;
1362#endif
1363#ifdef EXPERIMENTAL_SPF
65a7d8c3 1364uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1365uschar *spf_header_comment = NULL;
1366uschar *spf_received = NULL;
1367uschar *spf_result = NULL;
1368uschar *spf_smtp_comment = NULL;
1369#endif
1370
059ec3d9
PH		 1371BOOL split_spool_directory = FALSE;
1372uschar *spool_directory = US SPOOL_DIRECTORY
1373 "\0<--------------Space to patch spool_directory->";
328c5688
JH		 1374BOOL spool_file_wireformat = FALSE;
1375BOOL spool_wireformat = FALSE;
8523533c
TK		 1376#ifdef EXPERIMENTAL_SRS
1377uschar *srs_config = NULL;
1378uschar *srs_db_address = NULL;
1379uschar *srs_db_key = NULL;
384152a6
TK		 1380int srs_hashlength = 6;
1381int srs_hashmin = -1;
1382int srs_maxage = 31;
8523533c
TK		 1383uschar *srs_orig_recipient = NULL;
1384uschar *srs_orig_sender = NULL;
1385uschar *srs_recipient = NULL;
384152a6 1386uschar *srs_secrets = NULL;
8523533c 1387uschar *srs_status = NULL;
384152a6
TK		 1388BOOL srs_usehash = TRUE;
1389BOOL srs_usetimestamp = TRUE;
8e669ac1 1390#endif
38a0a95f 1391BOOL strict_acl_vars = FALSE;
059ec3d9 1392int string_datestamp_offset= -1;
f1e5fef5
PP		 1393int string_datestamp_length= 0;
1394int string_datestamp_type = -1;
059ec3d9
PH		 1395BOOL strip_excess_angle_brackets = FALSE;
1396BOOL strip_trailing_dot = FALSE;
1397uschar *submission_domain = NULL;
1398BOOL submission_mode = FALSE;
2fe1a124 1399uschar *submission_name = NULL;
8800895a 1400BOOL suppress_local_fixups = FALSE;
f4ee74ac 1401BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH		 1402BOOL synchronous_delivery = FALSE;
1403BOOL syslog_duplication = TRUE;
1404int syslog_facility = LOG_MAIL;
2333e06f 1405BOOL syslog_pid = TRUE;
059ec3d9
PH		 1406uschar *syslog_processname = US"exim";
1407BOOL syslog_timestamp = TRUE;
1408uschar *system_filter = NULL;
1409
1410uschar *system_filter_directory_transport = NULL;
1411uschar *system_filter_file_transport = NULL;
1412uschar *system_filter_pipe_transport = NULL;
1413uschar *system_filter_reply_transport = NULL;
1414
1415gid_t system_filter_gid = 0;
1416BOOL system_filter_gid_set = FALSE;
79d4bc3d 1417uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1418BOOL system_filter_uid_set = FALSE;
1419BOOL system_filtering = FALSE;
1420
6af7e591 1421BOOL tcp_fastopen_ok = FALSE;
0ab63f3d 1422blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
a2673768
JH		 1423BOOL tcp_in_fastopen = FALSE;
1424BOOL tcp_in_fastopen_logged = FALSE;
059ec3d9 1425BOOL tcp_nodelay = TRUE;
1ccd5f67 1426int tcp_out_fastopen = 0;
a2673768 1427BOOL tcp_out_fastopen_logged= FALSE;
5dc43717
JJ		 1428#ifdef USE_TCP_WRAPPERS
1429uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1430#endif
8669f003 1431int test_harness_load_avg = 0;
059ec3d9
PH		 1432int thismessage_size_limit = 0;
1433int timeout_frozen_after = 0;
1434BOOL timestamps_utc = FALSE;
1435
1436transport_instance *transports = NULL;
1437
1438transport_instance transport_defaults = {
f2ed27cf
JH		 1439 .next = NULL,
1440 .name = NULL,
1441 .info = NULL,
1442 .options_block = NULL,
1443 .driver_name = NULL,
1444 .setup = NULL,
1445 .batch_max = 1,
1446 .batch_id = NULL,
1447 .home_dir = NULL,
1448 .current_dir = NULL,
1449 .expand_multi_domain = NULL,
1450 .multi_domain = TRUE,
1451 .overrides_hosts = FALSE,
1452 .max_addresses = 100,
1453 .connection_max_messages = 500,
1454 .deliver_as_creator = FALSE,
1455 .disable_logging = FALSE,
1456 .initgroups = FALSE,
1457 .uid_set = FALSE,
1458 .gid_set = FALSE,
1459 .uid = (uid_t)(-1),
1460 .gid = (gid_t)(-1),
1461 .expand_uid = NULL,
1462 .expand_gid = NULL,
1463 .warn_message = NULL,
1464 .shadow = NULL,
1465 .shadow_condition = NULL,
1466 .filter_command = NULL,
1467 .add_headers = NULL,
1468 .remove_headers = NULL,
1469 .return_path = NULL,
1470 .debug_string = NULL,
1471 .max_parallel = NULL,
1472 .message_size_limit = NULL,
1473 .headers_rewrite = NULL,
1474 .rewrite_rules = NULL,
1475 .rewrite_existflags = 0,
1476 .filter_timeout = 300,
1477 .body_only = FALSE,
1478 .delivery_date_add = FALSE,
1479 .envelope_to_add = FALSE,
1480 .headers_only = FALSE,
1481 .rcpt_include_affixes = FALSE,
1482 .return_path_add = FALSE,
1483 .return_output = FALSE,
1484 .return_fail_output = FALSE,
1485 .log_output = FALSE,
1486 .log_fail_output = FALSE,
1487 .log_defer_output = FALSE,
1488 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1489 1 nor 0 so can detect unset */
0cbf2b82 1490#ifndef DISABLE_EVENT
f2ed27cf 1491 .event_action = NULL
533aaf91 1492#endif
059ec3d9
PH		 1493};
1494
1495int transport_count;
181d9bf8 1496uschar *transport_name = NULL;
332f5cf3 1497int transport_newlines;
55414b25 1498const uschar **transport_filter_argv = NULL;
059ec3d9 1499int transport_filter_timeout;
2e2a30b4 1500BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1501int transport_write_timeout= 0;
1502
1503tree_node *tree_dns_fails = NULL;
1504tree_node *tree_duplicates = NULL;
1505tree_node *tree_nonrecipients = NULL;
1506tree_node *tree_unusable = NULL;
1507
1508BOOL trusted_caller = FALSE;
e2f5dc15 1509BOOL trusted_config = TRUE;
059ec3d9
PH		 1510gid_t *trusted_groups = NULL;
1511uid_t *trusted_users = NULL;
1512uschar *timezone_string = US TIMEZONE_DEFAULT;
1513
1514uschar *unknown_login = NULL;
1515uschar *unknown_username = NULL;
1516uschar *untrusted_set_sender = NULL;
1517
1518/* A regex for matching a "From_" line in an incoming message, in the form
1519
1520 From ph10 Fri Jan 5 12:35 GMT 1996
1521
1522which the "mail" commands send to the MTA (undocumented, of course), or in
1523the form
1524
1525 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1526
1527which is apparently used by some UUCPs, despite it not being in RFC 976.
1528Because of variations in time formats, just match up to the minutes. That
1529should be sufficient. Examples have been seen of time fields like 12:1:03,
1530so just require one digit for hours and minutes. The weekday is also absent
1531in some forms. */
1532
1533uschar *uucp_from_pattern = US
1534 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1535 "(?:" /* Non-extracting bracket */
1536 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1537 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1538 ")" /* End alternation */
1539 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1540
1541uschar *uucp_from_sender = US"$1";
1542
aec45841 1543uschar *verify_mode = NULL;
f45100a3 1544uschar *version_copyright =
d4e5e70b
PP		 1545 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1546 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
059ec3d9
PH		 1547uschar *version_date = US"?";
1548uschar *version_cnumber = US"????";
1549uschar *version_string = US"?";
1550
aec45841 1551uschar *warn_message_file = NULL;
059ec3d9 1552int warning_count = 0;
aec45841
JH		 1553uschar *warnmsg_delay = NULL;
1554uschar *warnmsg_recipients = NULL;
1555BOOL write_rejectlog = TRUE;
1556
059ec3d9
PH		 1557
1558/* End of globals.c */
Unnamed repository; edit this file 'description' to name the repository.