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Use bitfields for flags in the "addr" struct
[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
8c5d388a 402#ifdef SUPPORT_I18N
f2ed27cf
JH		 403 .utf8_msg = FALSE,
404 .utf8_downcvt = FALSE,
405 .utf8_downcvt_maybe = FALSE
384152a6 406#endif
059ec3d9
PH		 407 }
408};
409
410uschar *address_file = NULL;
411uschar *address_pipe = NULL;
412BOOL address_test_mode = FALSE;
413tree_node *addresslist_anchor = NULL;
414int addresslist_count = 0;
415gid_t *admin_groups = NULL;
416BOOL admin_user = FALSE;
c46782ef 417BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH		 418BOOL allow_domain_literals = FALSE;
419BOOL allow_mx_to_ip = FALSE;
420BOOL allow_unqualified_recipient = TRUE; /* For local messages */
421BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
422BOOL allow_utf8_domains = FALSE;
2d07a215 423uschar *authenticated_fail_id = NULL;
059ec3d9
PH		 424uschar *authenticated_id = NULL;
425uschar *authenticated_sender = NULL;
426BOOL authentication_failed = FALSE;
427auth_instance *auths = NULL;
428uschar *auth_advertise_hosts = US"*";
429auth_instance auth_defaults = {
f2ed27cf
JH		 430 .next = NULL,
431 .name = NULL,
432 .info = NULL,
433 .options_block = NULL,
434 .driver_name = NULL,
435 .advertise_condition = NULL,
436 .client_condition = NULL,
437 .public_name = NULL,
438 .set_id = NULL,
439 .set_client_id = NULL,
440 .mail_auth_condition = NULL,
441 .server_debug_string = NULL,
442 .server_condition = NULL,
443 .client = FALSE,
444 .server = FALSE,
445 .advertised = FALSE
059ec3d9
PH		 446};
447
448uschar *auth_defer_msg = US"reason not recorded";
449uschar *auth_defer_user_msg = US"";
f78eb7c6 450uschar *auth_vars[AUTH_VARS];
059ec3d9 451int auto_thaw = 0;
8523533c 452#ifdef WITH_CONTENT_SCAN
9e949f00 453BOOL av_failed = FALSE;
8523533c
TK		 454uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
455#endif
059ec3d9
PH		 456
457BOOL background_daemon = TRUE;
9a799bc0
PH		 458
459#if BASE_62 == 62
059ec3d9
PH		 460uschar *base62_chars=
461 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 462#else
463uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
464#endif
465
059ec3d9
PH		 466uschar *bi_command = NULL;
467uschar *big_buffer = NULL;
468int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 469#ifdef EXPERIMENTAL_BRIGHTMAIL
470uschar *bmi_alt_location = NULL;
471uschar *bmi_base64_tracker_verdict = NULL;
472uschar *bmi_base64_verdict = NULL;
473uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
474int bmi_deliver = 1;
475int bmi_run = 0;
476uschar *bmi_verdicts = NULL;
477#endif
32b8ce41 478int bsmtp_transaction_linecount = 0;
939c3e34 479int body_8bitmime = 0;
059ec3d9
PH		 480int body_linecount = 0;
481int body_zerocount = 0;
482uschar *bounce_message_file = NULL;
483uschar *bounce_message_text = NULL;
484uschar *bounce_recipient = NULL;
485BOOL bounce_return_body = TRUE;
62b7cd08 486int bounce_return_linesize_limit = 998;
059ec3d9
PH		 487BOOL bounce_return_message = TRUE;
488int bounce_return_size_limit = 100*1024;
489uschar *bounce_sender_authentication = NULL;
32b8ce41 490uschar *builtin_macros_create_trigger = 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;
9e5d6b55 669uschar *dkim_verify_signers = US"$dkim_signers";
f7572e5a 670#endif
4840604e 671#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 672BOOL dmarc_has_been_checked = FALSE;
4840604e 673uschar *dmarc_ar_header = NULL;
8c8b8274 674uschar *dmarc_domain_policy = NULL;
4840604e
TL		 675uschar *dmarc_forensic_sender = NULL;
676uschar *dmarc_history_file = NULL;
677uschar *dmarc_status = NULL;
678uschar *dmarc_status_text = NULL;
679uschar *dmarc_tld_file = NULL;
680uschar *dmarc_used_domain = NULL;
681BOOL dmarc_disable_verify = FALSE;
682BOOL dmarc_enable_forensic = FALSE;
683#endif
f7572e5a 684
059ec3d9 685uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH		 686int dns_csa_search_limit = 5;
687BOOL dns_csa_use_reverse = TRUE;
e682570f
TL		 688#ifdef EXPERIMENTAL_DANE
689int dns_dane_ok = -1;
690#endif
059ec3d9
PH		 691uschar *dns_ipv4_lookup = NULL;
692int dns_retrans = 0;
693int dns_retry = 0;
0fbd9bff 694int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 695uschar *dns_trust_aa = NULL;
e97d1f08 696int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 697uschar *dnslist_domain = NULL;
93655c46 698uschar *dnslist_matched = NULL;
059ec3d9
PH		 699uschar *dnslist_text = NULL;
700uschar *dnslist_value = NULL;
701tree_node *domainlist_anchor = NULL;
702int domainlist_count = 0;
703BOOL dont_deliver = FALSE;
704BOOL dot_ends = TRUE;
705BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 706uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH		 707
708BOOL enable_dollar_recipients = FALSE;
709BOOL envelope_to_remove = TRUE;
710int errno_quota = ERRNO_QUOTA;
711uschar *errors_copy = NULL;
712int error_handling = ERRORS_SENDER;
713uschar *errors_reply_to = NULL;
714int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 715#ifndef DISABLE_EVENT
723fe533 716uschar *event_action = NULL; /* expansion for delivery events */
4c04137d 717uschar *event_data = NULL; /* auxiliary data variable for event */
723fe533 718int event_defer_errno = 0;
55414b25 719const uschar *event_name = NULL; /* event name variable */
723fe533
JH		 720#endif
721
059ec3d9
PH		 722
723gid_t exim_gid = EXIM_GID;
724BOOL exim_gid_set = TRUE; /* This gid is always set */
725uschar *exim_path = US BIN_DIRECTORY "/exim"
726 "\0<---------------Space to patch exim_path->";
727uid_t exim_uid = EXIM_UID;
728BOOL exim_uid_set = TRUE; /* This uid is always set */
e1d04f48 729int expand_level = 0; /* Nesting depth, indent for debug */
059ec3d9
PH		 730int expand_forbid = 0;
731int expand_nlength[EXPAND_MAXN+1];
732int expand_nmax = -1;
733uschar *expand_nstring[EXPAND_MAXN+1];
734BOOL expand_string_forcedfail = FALSE;
735uschar *expand_string_message;
736BOOL extract_addresses_remove_arguments = TRUE;
737uschar *extra_local_interfaces = NULL;
738
29aba418 739int fake_response = OK;
0e22dfd1
PH		 740uschar *fake_response_text = US"Your message has been rejected but is "
741 "being kept for evaluation.\nIf it was a "
742 "legitimate message, it may still be "
743 "delivered to the target recipient(s).";
059ec3d9
PH		 744int filter_n[FILTER_VARIABLE_COUNT];
745BOOL filter_running = FALSE;
746int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 747int filter_test = FTEST_NONE;
748uschar *filter_test_sfile = NULL;
749uschar *filter_test_ufile = NULL;
059ec3d9
PH		 750uschar *filter_thisaddress = NULL;
751int finduser_retries = 0;
752uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
753uschar *freeze_tell = NULL;
6a3f1455 754uschar *freeze_tell_config = NULL;
059ec3d9
PH		 755uschar *fudged_queue_times = US"";
756
757uschar *gecos_name = NULL;
758uschar *gecos_pattern = NULL;
759rewrite_rule *global_rewrite_rules = NULL;
760
761uschar *headers_charset = US HEADERS_CHARSET;
762int header_insert_maxlen = 64 * 1024;
763header_line *header_last = NULL;
764header_line *header_list = NULL;
765int header_maxsize = HEADER_MAXSIZE;
766int header_line_maxsize = 0;
767
768header_name header_names[] = {
f2ed27cf
JH		 769 /* name len allow_resent htype */
770 { US"bcc", 3, TRUE, htype_bcc },
771 { US"cc", 2, TRUE, htype_cc },
772 { US"date", 4, TRUE, htype_date },
773 { US"delivery-date", 13, FALSE, htype_delivery_date },
774 { US"envelope-to", 11, FALSE, htype_envelope_to },
775 { US"from", 4, TRUE, htype_from },
776 { US"message-id", 10, TRUE, htype_id },
777 { US"received", 8, FALSE, htype_received },
778 { US"reply-to", 8, FALSE, htype_reply_to },
779 { US"return-path", 11, FALSE, htype_return_path },
780 { US"sender", 6, TRUE, htype_sender },
781 { US"subject", 7, FALSE, htype_subject },
782 { US"to", 2, TRUE, htype_to }
059ec3d9
PH		 783};
784
785int header_names_size = sizeof(header_names)/sizeof(header_name);
786
787BOOL header_rewritten = FALSE;
788uschar *helo_accept_junk_hosts = NULL;
789uschar *helo_allow_chars = US"";
790uschar *helo_lookup_domains = US"@ : @[]";
791uschar *helo_try_verify_hosts = NULL;
792BOOL helo_verified = FALSE;
d7b47fd0 793BOOL helo_verify_failed = FALSE;
059ec3d9 794uschar *helo_verify_hosts = NULL;
1ba28e2b 795const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH		 796uschar *hold_domains = NULL;
797BOOL host_checking = FALSE;
798BOOL host_checking_callout = FALSE;
799uschar *host_data = NULL;
800BOOL host_find_failed_syntax= FALSE;
801uschar *host_lookup = NULL;
b08b24c8 802BOOL host_lookup_deferred = FALSE;
059ec3d9
PH		 803BOOL host_lookup_failed = FALSE;
804uschar *host_lookup_order = US"bydns:byaddr";
805uschar *host_lookup_msg = US"";
806int host_number = 0;
807uschar *host_number_string = NULL;
808uschar *host_reject_connection = NULL;
809tree_node *hostlist_anchor = NULL;
810int hostlist_count = 0;
811uschar *hosts_treat_as_local = NULL;
812uschar *hosts_connection_nolog = NULL;
813
814int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
815BOOL ignore_fromline_local = FALSE;
816uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP		 817BOOL inetd_wait_mode = FALSE;
818int inetd_wait_timeout = -1;
3615fa9a 819uschar *initial_cwd = NULL;
059ec3d9
PH		 820uschar *interface_address = NULL;
821int interface_port = -1;
822BOOL is_inetd = FALSE;
0ce9abe6 823uschar *iterate_item = NULL;
059ec3d9
PH		 824
825int journal_fd = -1;
826
bc3c7bb7
HSHR		 827uschar *keep_environment = NULL;
828
059ec3d9
PH		 829int keep_malformed = 4*24*60*60; /* 4 days */
830
831uschar *eldap_dn = NULL;
832int load_average = -2;
833BOOL local_error_message = FALSE;
834BOOL local_from_check = TRUE;
835uschar *local_from_prefix = NULL;
836uschar *local_from_suffix = NULL;
837
838#if HAVE_IPV6
839uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
840#else
841uschar *local_interfaces = US"0.0.0.0";
842#endif
843
844uschar *local_scan_data = NULL;
845int local_scan_timeout = 5*60;
846BOOL local_sender_retain = FALSE;
847gid_t local_user_gid = (gid_t)(-1);
848uid_t local_user_uid = (uid_t)(-1);
849
850tree_node *localpartlist_anchor= NULL;
851int localpartlist_count = 0;
852uschar *log_buffer = NULL;
6c6d6e48
TF		 853
854int log_default[] = { /* for initializing log_selector */
855 Li_acl_warn_skipped,
856 Li_connection_reject,
857 Li_delay_delivery,
858 Li_dnslist_defer,
859 Li_etrn,
860 Li_host_lookup_failed,
861 Li_lost_incoming_connection,
ac881e27 862 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF		 863 Li_queue_run,
864 Li_rejected_header,
865 Li_retry_defer,
866 Li_sender_verify_fail,
867 Li_size_reject,
868 Li_skip_delivery,
869 Li_smtp_confirmation,
870 Li_tls_certificate_verified,
871 Li_tls_cipher,
872 -1
873};
874
059ec3d9
PH		 875uschar *log_file_path = US LOG_FILE_PATH
876 "\0<--------------Space to patch log_file_path->";
877
6c6d6e48
TF		 878int log_notall[] = {
879 -1
880};
881bit_table log_options[] = { /* must be in alphabetical order */
882 BIT_TABLE(L, 8bitmime),
883 BIT_TABLE(L, acl_warn_skipped),
884 BIT_TABLE(L, address_rewrite),
885 BIT_TABLE(L, all),
886 BIT_TABLE(L, all_parents),
887 BIT_TABLE(L, arguments),
888 BIT_TABLE(L, connection_reject),
889 BIT_TABLE(L, delay_delivery),
890 BIT_TABLE(L, deliver_time),
891 BIT_TABLE(L, delivery_size),
892 BIT_TABLE(L, dnslist_defer),
fc16abb4 893 BIT_TABLE(L, dnssec),
6c6d6e48
TF		 894 BIT_TABLE(L, etrn),
895 BIT_TABLE(L, host_lookup_failed),
896 BIT_TABLE(L, ident_timeout),
897 BIT_TABLE(L, incoming_interface),
898 BIT_TABLE(L, incoming_port),
899 BIT_TABLE(L, lost_incoming_connection),
571b2715 900 BIT_TABLE(L, millisec),
ac881e27 901 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF		 902 BIT_TABLE(L, outgoing_port),
903 BIT_TABLE(L, pid),
e6d2a989 904#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
6c6d6e48
TF		 905 BIT_TABLE(L, proxy),
906#endif
907 BIT_TABLE(L, queue_run),
908 BIT_TABLE(L, queue_time),
909 BIT_TABLE(L, queue_time_overall),
910 BIT_TABLE(L, received_recipients),
911 BIT_TABLE(L, received_sender),
912 BIT_TABLE(L, rejected_header),
913 { US"rejected_headers", Li_rejected_header },
914 BIT_TABLE(L, retry_defer),
915 BIT_TABLE(L, return_path_on_delivery),
916 BIT_TABLE(L, sender_on_delivery),
917 BIT_TABLE(L, sender_verify_fail),
918 BIT_TABLE(L, size_reject),
919 BIT_TABLE(L, skip_delivery),
920 BIT_TABLE(L, smtp_confirmation),
921 BIT_TABLE(L, smtp_connection),
922 BIT_TABLE(L, smtp_incomplete_transaction),
923 BIT_TABLE(L, smtp_mailauth),
924 BIT_TABLE(L, smtp_no_mail),
925 BIT_TABLE(L, smtp_protocol_error),
926 BIT_TABLE(L, smtp_syntax_error),
927 BIT_TABLE(L, subject),
928 BIT_TABLE(L, tls_certificate_verified),
929 BIT_TABLE(L, tls_cipher),
930 BIT_TABLE(L, tls_peerdn),
931 BIT_TABLE(L, tls_sni),
932 BIT_TABLE(L, unknown_in_list),
059ec3d9 933};
6c6d6e48 934int log_options_count = nelem(log_options);
059ec3d9 935
6ea85e9a 936int log_reject_target = 0;
6c6d6e48 937unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH		 938uschar *log_selector_string = NULL;
939FILE *log_stderr = NULL;
940BOOL log_testing_mode = FALSE;
941BOOL log_timezone = FALSE;
942uschar *login_sender_address = NULL;
4e0983dc 943uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH		 944int lookup_open_max = 25;
945uschar *lookup_value = NULL;
946
059ec3d9 947uschar *mailstore_basename = NULL;
8523533c
TK		 948#ifdef WITH_CONTENT_SCAN
949uschar *malware_name = NULL; /* Virus Name */
950#endif
d677b2f2 951int max_received_linelength= 0;
059ec3d9
PH		 952int max_username_length = 0;
953int message_age = 0;
954uschar *message_body = NULL;
955uschar *message_body_end = NULL;
ddea74fa 956BOOL message_body_newlines = FALSE;
059ec3d9
PH		 957int message_body_size = 0;
958int message_body_visible = 500;
959int message_ended = END_NOTSTARTED;
960uschar *message_headers = NULL;
961uschar *message_id;
962uschar *message_id_domain = NULL;
963uschar *message_id_text = NULL;
964struct timeval message_id_tv = { 0, 0 };
965uschar message_id_option[MESSAGE_ID_LENGTH + 3];
966uschar *message_id_external;
967int message_linecount = 0;
968BOOL message_logs = TRUE;
969int message_size = 0;
970uschar *message_size_limit = US"50M";
8c5d388a 971#ifdef SUPPORT_I18N
eb02f5df 972BOOL message_smtputf8 = FALSE;
3c8b3577 973int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 974#endif
059ec3d9
PH		 975uschar message_subdir[2] = { 0, 0 };
976uschar *message_reference = NULL;
8523533c
TK		 977
978/* MIME ACL expandables */
979#ifdef WITH_CONTENT_SCAN
f7b63901 980int mime_anomaly_level = 0;
1ba28e2b 981const uschar *mime_anomaly_text = NULL;
8523533c
TK		 982uschar *mime_boundary = NULL;
983uschar *mime_charset = NULL;
984uschar *mime_content_description = NULL;
985uschar *mime_content_disposition = NULL;
986uschar *mime_content_id = NULL;
987unsigned int mime_content_size = 0;
988uschar *mime_content_transfer_encoding = NULL;
989uschar *mime_content_type = NULL;
990uschar *mime_decoded_filename = NULL;
991uschar *mime_filename = NULL;
992int mime_is_multipart = 0;
993int mime_is_coverletter = 0;
994int mime_is_rfc822 = 0;
995int mime_part_count = -1;
996#endif
997
059ec3d9
PH		 998BOOL mua_wrapper = FALSE;
999
1000uid_t *never_users = NULL;
8523533c
TK		 1001#ifdef WITH_CONTENT_SCAN
1002BOOL no_mbox_unspool = FALSE;
1003#endif
059ec3d9
PH		 1004BOOL no_multiline_responses = FALSE;
1005
fb05276a
JH		 1006const int on = 1; /* for setsockopt */
1007const int off = 0;
1008
059ec3d9
PH		 1009uid_t original_euid;
1010gid_t originator_gid;
1011uschar *originator_login = NULL;
1012uschar *originator_name = NULL;
1013uid_t originator_uid;
1014uschar *override_local_interfaces = NULL;
1015uschar *override_pid_file_path = NULL;
1016
1017BOOL parse_allow_group = FALSE;
1018BOOL parse_found_group = FALSE;
1019uschar *percent_hack_domains = NULL;
1020uschar *pid_file_path = US PID_FILE_PATH
1021 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 1022BOOL pipelining_enable = TRUE;
059ec3d9
PH		 1023uschar *pipelining_advertise_hosts = US"*";
1024BOOL preserve_message_logs = FALSE;
1025uschar *primary_hostname = NULL;
1026BOOL print_topbitchars = FALSE;
1027uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1028int process_info_len = 0;
059ec3d9
PH		 1029uschar *process_log_path = NULL;
1030BOOL prod_requires_admin = TRUE;
a3c86431 1031
e6d2a989 1032#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 1033uschar *hosts_proxy = US"";
e6d2a989
JH		 1034uschar *proxy_external_address = US"";
1035int proxy_external_port = 0;
1036uschar *proxy_local_address = US"";
1037int proxy_local_port = 0;
a3c86431
TL		 1038BOOL proxy_session = FALSE;
1039BOOL proxy_session_failed = FALSE;
1040#endif
1041
fffda43a
TK		 1042uschar *prvscheck_address = NULL;
1043uschar *prvscheck_keynum = NULL;
1044uschar *prvscheck_result = NULL;
1045
059ec3d9 1046
55414b25 1047const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH		 1048uschar *qualify_domain_sender = NULL;
1049BOOL queue_2stage = FALSE;
1050uschar *queue_domains = NULL;
1051int queue_interval = -1;
1052BOOL queue_list_requires_admin = TRUE;
a2da3176 1053uschar *queue_name = US"";
059ec3d9
PH		 1054BOOL queue_only = FALSE;
1055uschar *queue_only_file = NULL;
1056int queue_only_load = -1;
8669f003 1057BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 1058BOOL queue_only_override = TRUE;
1059BOOL queue_only_policy = FALSE;
1060BOOL queue_run_first_delivery = FALSE;
1061BOOL queue_run_force = FALSE;
1062BOOL queue_run_in_order = FALSE;
1063BOOL queue_run_local = FALSE;
0cd5fd23 1064uschar *queue_run_max = US"5";
059ec3d9
PH		 1065pid_t queue_run_pid = (pid_t)0;
1066int queue_run_pipe = -1;
1067BOOL queue_running = FALSE;
1068BOOL queue_smtp = FALSE;
1069uschar *queue_smtp_domains = NULL;
1070
1071unsigned int random_seed = 0;
fe0dab11 1072tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 1073tree_node *ratelimiters_conn = NULL;
1074tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 1075uschar *raw_active_hostname = NULL;
1076uschar *raw_sender = NULL;
1077uschar **raw_recipients = NULL;
1078int raw_recipients_count = 0;
1079
1080int rcpt_count = 0;
1081int rcpt_fail_count = 0;
1082int rcpt_defer_count = 0;
1083gid_t real_gid;
1084uid_t real_uid;
1085BOOL really_exim = TRUE;
1086BOOL receive_call_bombout = FALSE;
1087int receive_linecount = 0;
1088int receive_messagecount = 0;
1089int receive_timeout = 0;
1090int received_count = 0;
1091uschar *received_for = NULL;
1092
1093/* This is the default text for Received headers generated by Exim. The
1094date will be automatically added on the end. */
1095
1096uschar *received_header_text = US
1097 "Received: "
1098 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1099 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 1100 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1101 "by $primary_hostname "
1102 "${if def:received_protocol {with $received_protocol}} "
1103 #ifdef SUPPORT_TLS
1104 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1105 #endif
1106 "(Exim $version_number)\n\t"
3e46c1aa 1107 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1108 "id $message_exim_id"
059ec3d9
PH		 1109 "${if def:received_for {\n\tfor $received_for}}"
1110 "\0<---------------Space to patch received_header_text->";
1111
1112int received_headers_max = 30;
1113uschar *received_protocol = NULL;
32dfdf8b 1114struct timeval received_time = { 0, 0 };
059ec3d9
PH		 1115uschar *recipient_data = NULL;
1116uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1117uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 1118int recipients_count = 0;
1119BOOL recipients_discarded = FALSE;
1120recipient_item *recipients_list = NULL;
1121int recipients_list_max = 0;
1122int recipients_max = 0;
1123BOOL recipients_max_reject = FALSE;
1124const pcre *regex_AUTH = NULL;
1125const pcre *regex_check_dns_names = NULL;
1126const pcre *regex_From = NULL;
f1513293 1127const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1128const pcre *regex_PIPELINING = NULL;
1129const pcre *regex_SIZE = NULL;
1130const pcre *regex_ismsgid = NULL;
f38917cc
JH		 1131const pcre *regex_smtp_code = NULL;
1132uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP		 1133#ifdef WHITELIST_D_MACROS
1134const pcre *regex_whitelisted_macro = NULL;
1135#endif
8523533c
TK		 1136#ifdef WITH_CONTENT_SCAN
1137uschar *regex_match_string = NULL;
1138#endif
059ec3d9
PH		 1139int remote_delivery_count = 0;
1140int remote_max_parallel = 2;
1141uschar *remote_sort_domains = NULL;
1142int retry_data_expire = 7*24*60*60;
1143int retry_interval_max = 24*60*60;
1144int retry_maximum_timeout = 0; /* set from retry config */
1145retry_config *retries = NULL;
1146uschar *return_path = NULL;
1147BOOL return_path_remove = TRUE;
1148int rewrite_existflags = 0;
f926e272
JH		 1149uschar *rfc1413_hosts = US"@[]";
1150int rfc1413_query_timeout = 0;
059ec3d9 1151/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1152uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1153uid_t root_uid = ROOT_UID;
1154
1155router_instance *routers = NULL;
1156router_instance router_defaults = {
f2ed27cf
JH		 1157 .next = NULL,
1158 .name = NULL,
1159 .info = NULL,
1160 .options_block = NULL,
1161 .driver_name = NULL,
059ec3d9 1162
f2ed27cf 1163 .address_data = NULL,
8523533c 1164#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf 1165 .bmi_rule = NULL,
8e669ac1 1166#endif
f2ed27cf
JH		 1167 .cannot_route_message = NULL,
1168 .condition = NULL,
1169 .current_directory = NULL,
1170 .debug_string = NULL,
1171 .domains = NULL,
1172 .errors_to = NULL,
1173 .expand_gid = NULL,
1174 .expand_uid = NULL,
1175 .expand_more = NULL,
1176 .expand_unseen = NULL,
1177 .extra_headers = NULL,
1178 .fallback_hosts = NULL,
1179 .home_directory = NULL,
1180 .ignore_target_hosts = NULL,
1181 .local_parts = NULL,
1182 .pass_router_name = NULL,
1183 .prefix = NULL,
1184 .redirect_router_name = NULL,
1185 .remove_headers = NULL,
1186 .require_files = NULL,
1187 .router_home_directory = NULL,
1188 .self = US"freeze",
1189 .senders = NULL,
1190 .suffix = NULL,
1191 .translate_ip_address = NULL,
1192 .transport_name = NULL,
1193
1194 .address_test = TRUE,
8523533c 1195#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf
JH		 1196 .bmi_deliver_alternate = FALSE,
1197 .bmi_deliver_default = FALSE,
1198 .bmi_dont_deliver = FALSE,
8523533c 1199#endif
f2ed27cf
JH		 1200 .expn = TRUE,
1201 .caseful_local_part = FALSE,
1202 .check_local_user = FALSE,
1203 .disable_logging = FALSE,
1204 .fail_verify_recipient = FALSE,
1205 .fail_verify_sender = FALSE,
1206 .gid_set = FALSE,
1207 .initgroups = FALSE,
1208 .log_as_local = TRUE_UNSET,
1209 .more = TRUE,
1210 .pass_on_timeout = FALSE,
1211 .prefix_optional = FALSE,
1212 .repeat_use = TRUE,
1213 .retry_use_local_part = TRUE_UNSET,
1214 .same_domain_copy_routing = FALSE,
1215 .self_rewrite = FALSE,
1216 .suffix_optional = FALSE,
1217 .verify_only = FALSE,
1218 .verify_recipient = TRUE,
1219 .verify_sender = TRUE,
1220 .uid_set = FALSE,
1221 .unseen = FALSE,
1222 .dsn_lasthop = FALSE,
1223
1224 .self_code = self_freeze,
1225 .uid = (uid_t)(-1),
1226 .gid = (gid_t)(-1),
1227
1228 .fallback_hostlist = NULL,
1229 .transport = NULL,
1230 .pass_router = NULL,
1231 .redirect_router = NULL,
1232
1233 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH		 1234};
1235
181d9bf8
JH		 1236uschar *router_name = NULL;
1237
059ec3d9
PH		 1238ip_address_item *running_interfaces = NULL;
1239BOOL running_in_test_harness = FALSE;
1240
1241/* This is a weird one. The following string gets patched in the binary by the
1242script that sets up a copy of Exim for running in the test harness. It seems
1243that compilers are now clever, and share constant strings if they can.
1244Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1245make use of the end of this string in order to save space. So the patching then
8669f003 1246wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1247onto the end of the string. */
1248
1249uschar *running_status = US">>>running<<<" "\0EXTRA";
1250
1251int runrc = 0;
1252
1253uschar *search_error_message = NULL;
1254BOOL search_find_defer = FALSE;
1255uschar *self_hostname = NULL;
1256uschar *sender_address = NULL;
1257unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1258uschar *sender_address_data = NULL;
059ec3d9
PH		 1259BOOL sender_address_forced = FALSE;
1260uschar *sender_address_unrewritten = NULL;
1261uschar *sender_data = NULL;
1262unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1263uschar *sender_fullhost = NULL;
1705dd20 1264BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH		 1265uschar *sender_helo_name = NULL;
1266uschar **sender_host_aliases = &no_aliases;
1267uschar *sender_host_address = NULL;
1268uschar *sender_host_authenticated = NULL;
1269unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1270BOOL sender_host_dnssec = FALSE;
059ec3d9
PH		 1271uschar *sender_host_name = NULL;
1272int sender_host_port = 0;
1273BOOL sender_host_notsocket = FALSE;
1274BOOL sender_host_unknown = FALSE;
1275uschar *sender_ident = NULL;
1276BOOL sender_local = FALSE;
2fe1a124 1277BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1278uschar *sender_rate = NULL;
1279uschar *sender_rate_limit = NULL;
1280uschar *sender_rate_period = NULL;
059ec3d9
PH		 1281uschar *sender_rcvhost = NULL;
1282BOOL sender_set_untrusted = FALSE;
1283uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1284uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1285address_item *sender_verified_list = NULL;
1286address_item *sender_verified_failed = NULL;
1287int sender_verified_rc = -1;
1288BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1289uschar *sending_ip_address = NULL;
1290int sending_port = -1;
cd59ab18 1291SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1292uschar **sighup_argv = NULL;
846430d9 1293int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH		 1294int smtp_accept_count = 0;
1295BOOL smtp_accept_keepalive = TRUE;
1296int smtp_accept_max = 20;
1297int smtp_accept_max_nonmail= 10;
1298uschar *smtp_accept_max_nonmail_hosts = US"*";
1299int smtp_accept_max_per_connection = 1000;
1300uschar *smtp_accept_max_per_host = NULL;
1301int smtp_accept_queue = 0;
1302int smtp_accept_queue_per_connection = 10;
1303int smtp_accept_reserve = 0;
1304uschar *smtp_active_hostname = NULL;
1305BOOL smtp_authenticated = FALSE;
1f5b4c3d 1306uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1307 "Exim $version_number $tod_full"
1308 "\0<---------------Space to patch smtp_banner->";
1309BOOL smtp_batched_input = FALSE;
1310BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1311int smtp_ch_index = 0;
3ee512ff
PH		 1312uschar *smtp_cmd_argument = NULL;
1313uschar *smtp_cmd_buffer = NULL;
0f1a8658 1314struct timeval smtp_connection_start = {0,0};
b4ed4da0 1315uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1316int smtp_connect_backlog = 20;
1317double smtp_delay_mail = 0.0;
1318double smtp_delay_rcpt = 0.0;
1319BOOL smtp_enforce_sync = TRUE;
1320FILE *smtp_in = NULL;
1321BOOL smtp_input = FALSE;
1322int smtp_load_reserve = -1;
1323int smtp_mailcmd_count = 0;
1324FILE *smtp_out = NULL;
1325uschar *smtp_etrn_command = NULL;
1326BOOL smtp_etrn_serialize = TRUE;
1327int smtp_max_synprot_errors= 3;
1328int smtp_max_unknown_commands = 3;
8f128379 1329uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1330uschar *smtp_ratelimit_hosts = NULL;
1331uschar *smtp_ratelimit_mail = NULL;
1332uschar *smtp_ratelimit_rcpt = NULL;
1333uschar *smtp_read_error = US"";
1334int smtp_receive_timeout = 5*60;
1ad6489e 1335uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH		 1336uschar *smtp_reserve_hosts = NULL;
1337BOOL smtp_return_error_details = FALSE;
1338int smtp_rlm_base = 0;
1339double smtp_rlm_factor = 0.0;
1340int smtp_rlm_limit = 0;
1341int smtp_rlm_threshold = INT_MAX;
1342int smtp_rlr_base = 0;
1343double smtp_rlr_factor = 0.0;
1344int smtp_rlr_limit = 0;
1345int smtp_rlr_threshold = INT_MAX;
2d14f397
JH		 1346unsigned smtp_peer_options = 0;
1347unsigned smtp_peer_options_wrap= 0;
8c5d388a 1348#ifdef SUPPORT_I18N
9d4319df 1349uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1350#endif
8523533c
TK		 1351
1352#ifdef WITH_CONTENT_SCAN
1353uschar *spamd_address = US"127.0.0.1 783";
1354uschar *spam_bar = NULL;
1355uschar *spam_report = NULL;
c5f280e2 1356uschar *spam_action = NULL;
8523533c
TK		 1357uschar *spam_score = NULL;
1358uschar *spam_score_int = NULL;
1359#endif
1360#ifdef EXPERIMENTAL_SPF
65a7d8c3 1361uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1362uschar *spf_header_comment = NULL;
1363uschar *spf_received = NULL;
1364uschar *spf_result = NULL;
1365uschar *spf_smtp_comment = NULL;
1366#endif
1367
059ec3d9
PH		 1368BOOL split_spool_directory = FALSE;
1369uschar *spool_directory = US SPOOL_DIRECTORY
1370 "\0<--------------Space to patch spool_directory->";
328c5688
JH		 1371BOOL spool_file_wireformat = FALSE;
1372BOOL spool_wireformat = FALSE;
8523533c
TK		 1373#ifdef EXPERIMENTAL_SRS
1374uschar *srs_config = NULL;
1375uschar *srs_db_address = NULL;
1376uschar *srs_db_key = NULL;
384152a6
TK		 1377int srs_hashlength = 6;
1378int srs_hashmin = -1;
1379int srs_maxage = 31;
8523533c
TK		 1380uschar *srs_orig_recipient = NULL;
1381uschar *srs_orig_sender = NULL;
1382uschar *srs_recipient = NULL;
384152a6 1383uschar *srs_secrets = NULL;
8523533c 1384uschar *srs_status = NULL;
384152a6
TK		 1385BOOL srs_usehash = TRUE;
1386BOOL srs_usetimestamp = TRUE;
8e669ac1 1387#endif
38a0a95f 1388BOOL strict_acl_vars = FALSE;
059ec3d9 1389int string_datestamp_offset= -1;
f1e5fef5
PP		 1390int string_datestamp_length= 0;
1391int string_datestamp_type = -1;
059ec3d9
PH		 1392BOOL strip_excess_angle_brackets = FALSE;
1393BOOL strip_trailing_dot = FALSE;
1394uschar *submission_domain = NULL;
1395BOOL submission_mode = FALSE;
2fe1a124 1396uschar *submission_name = NULL;
8800895a 1397BOOL suppress_local_fixups = FALSE;
f4ee74ac 1398BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH		 1399BOOL synchronous_delivery = FALSE;
1400BOOL syslog_duplication = TRUE;
1401int syslog_facility = LOG_MAIL;
2333e06f 1402BOOL syslog_pid = TRUE;
059ec3d9
PH		 1403uschar *syslog_processname = US"exim";
1404BOOL syslog_timestamp = TRUE;
1405uschar *system_filter = NULL;
1406
1407uschar *system_filter_directory_transport = NULL;
1408uschar *system_filter_file_transport = NULL;
1409uschar *system_filter_pipe_transport = NULL;
1410uschar *system_filter_reply_transport = NULL;
1411
1412gid_t system_filter_gid = 0;
1413BOOL system_filter_gid_set = FALSE;
79d4bc3d 1414uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1415BOOL system_filter_uid_set = FALSE;
1416BOOL system_filtering = FALSE;
1417
6af7e591 1418BOOL tcp_fastopen_ok = FALSE;
059ec3d9 1419BOOL tcp_nodelay = TRUE;
5dc43717
JJ		 1420#ifdef USE_TCP_WRAPPERS
1421uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1422#endif
8669f003 1423int test_harness_load_avg = 0;
059ec3d9
PH		 1424int thismessage_size_limit = 0;
1425int timeout_frozen_after = 0;
1426BOOL timestamps_utc = FALSE;
1427
1428transport_instance *transports = NULL;
1429
1430transport_instance transport_defaults = {
f2ed27cf
JH		 1431 .next = NULL,
1432 .name = NULL,
1433 .info = NULL,
1434 .options_block = NULL,
1435 .driver_name = NULL,
1436 .setup = NULL,
1437 .batch_max = 1,
1438 .batch_id = NULL,
1439 .home_dir = NULL,
1440 .current_dir = NULL,
1441 .expand_multi_domain = NULL,
1442 .multi_domain = TRUE,
1443 .overrides_hosts = FALSE,
1444 .max_addresses = 100,
1445 .connection_max_messages = 500,
1446 .deliver_as_creator = FALSE,
1447 .disable_logging = FALSE,
1448 .initgroups = FALSE,
1449 .uid_set = FALSE,
1450 .gid_set = FALSE,
1451 .uid = (uid_t)(-1),
1452 .gid = (gid_t)(-1),
1453 .expand_uid = NULL,
1454 .expand_gid = NULL,
1455 .warn_message = NULL,
1456 .shadow = NULL,
1457 .shadow_condition = NULL,
1458 .filter_command = NULL,
1459 .add_headers = NULL,
1460 .remove_headers = NULL,
1461 .return_path = NULL,
1462 .debug_string = NULL,
1463 .max_parallel = NULL,
1464 .message_size_limit = NULL,
1465 .headers_rewrite = NULL,
1466 .rewrite_rules = NULL,
1467 .rewrite_existflags = 0,
1468 .filter_timeout = 300,
1469 .body_only = FALSE,
1470 .delivery_date_add = FALSE,
1471 .envelope_to_add = FALSE,
1472 .headers_only = FALSE,
1473 .rcpt_include_affixes = FALSE,
1474 .return_path_add = FALSE,
1475 .return_output = FALSE,
1476 .return_fail_output = FALSE,
1477 .log_output = FALSE,
1478 .log_fail_output = FALSE,
1479 .log_defer_output = FALSE,
1480 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1481 1 nor 0 so can detect unset */
0cbf2b82 1482#ifndef DISABLE_EVENT
f2ed27cf 1483 .event_action = NULL
533aaf91 1484#endif
059ec3d9
PH		 1485};
1486
1487int transport_count;
181d9bf8 1488uschar *transport_name = NULL;
332f5cf3 1489int transport_newlines;
55414b25 1490const uschar **transport_filter_argv = NULL;
059ec3d9 1491int transport_filter_timeout;
2e2a30b4 1492BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1493int transport_write_timeout= 0;
1494
1495tree_node *tree_dns_fails = NULL;
1496tree_node *tree_duplicates = NULL;
1497tree_node *tree_nonrecipients = NULL;
1498tree_node *tree_unusable = NULL;
1499
1500BOOL trusted_caller = FALSE;
e2f5dc15 1501BOOL trusted_config = TRUE;
059ec3d9
PH		 1502gid_t *trusted_groups = NULL;
1503uid_t *trusted_users = NULL;
1504uschar *timezone_string = US TIMEZONE_DEFAULT;
1505
1506uschar *unknown_login = NULL;
1507uschar *unknown_username = NULL;
1508uschar *untrusted_set_sender = NULL;
1509
1510/* A regex for matching a "From_" line in an incoming message, in the form
1511
1512 From ph10 Fri Jan 5 12:35 GMT 1996
1513
1514which the "mail" commands send to the MTA (undocumented, of course), or in
1515the form
1516
1517 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1518
1519which is apparently used by some UUCPs, despite it not being in RFC 976.
1520Because of variations in time formats, just match up to the minutes. That
1521should be sufficient. Examples have been seen of time fields like 12:1:03,
1522so just require one digit for hours and minutes. The weekday is also absent
1523in some forms. */
1524
1525uschar *uucp_from_pattern = US
1526 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1527 "(?:" /* Non-extracting bracket */
1528 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1529 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1530 ")" /* End alternation */
1531 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1532
1533uschar *uucp_from_sender = US"$1";
1534
aec45841 1535uschar *verify_mode = NULL;
f45100a3 1536uschar *version_copyright =
d4e5e70b
PP		 1537 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1538 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
059ec3d9
PH		 1539uschar *version_date = US"?";
1540uschar *version_cnumber = US"????";
1541uschar *version_string = US"?";
1542
aec45841 1543uschar *warn_message_file = NULL;
059ec3d9 1544int warning_count = 0;
aec45841
JH		 1545uschar *warnmsg_delay = NULL;
1546uschar *warnmsg_recipients = NULL;
1547BOOL write_rejectlog = TRUE;
1548
059ec3d9
PH		 1549
1550/* End of globals.c */
Unnamed repository; edit this file 'description' to name the repository.