Add client-ip info to non-pass iprev ${authres } lines
[exim.git] / src / src / globals.c
CommitLineData
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
f9ba5e22 5/* Copyright (c) University of Cambridge 1995 - 2018 */
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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
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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[] = {
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18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
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20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
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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))},
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28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
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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);
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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;
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53#endif
54
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55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
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59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
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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;
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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
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88uschar *redis_servers = NULL;
89#endif
90
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91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
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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 = {
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104 .active = -1,
105 .bits = 0,
106 .certificate_verified = FALSE,
c0635b6d 107#ifdef SUPPORT_DANE
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108 .dane_verified = FALSE,
109 .tlsa_usage = 0,
85098ee7 110#endif
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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
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119};
120tls_support tls_out = {
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121 .active = -1,
122 .bits = 0,
123 .certificate_verified = FALSE,
c0635b6d 124#ifdef SUPPORT_DANE
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125 .dane_verified = FALSE,
126 .tlsa_usage = 0,
85098ee7 127#endif
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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
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136};
137
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138uschar *dsn_envid = NULL;
139int dsn_ret = 0;
140const pcre *regex_DSN = NULL;
6c1c3d1d 141uschar *dsn_advertise_hosts = NULL;
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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"*";
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149uschar *tls_certificate = NULL;
150uschar *tls_crl = NULL;
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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
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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;
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166#else /*!SUPPORT_TLS*/
167uschar *tls_advertise_hosts = NULL;
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168#endif
169
8ccd00b1 170#ifndef DISABLE_PRDR
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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
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178const pcre *regex_UTF8 = NULL;
179#endif
180
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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;
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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 */
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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
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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,
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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;
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229uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231int acl_narg = 0;
8f128379 232
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233int acl_level = 0;
234
059ec3d9 235uschar *acl_not_smtp = NULL;
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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;
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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
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247#ifndef DISABLE_DKIM
248uschar *acl_smtp_dkim = NULL;
249#endif
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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;
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255#ifdef WITH_CONTENT_SCAN
256uschar *acl_smtp_mime = NULL;
257#endif
8f128379 258uschar *acl_smtp_notquit = NULL;
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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;
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266tree_node *acl_var_c = NULL;
267tree_node *acl_var_m = NULL;
059ec3d9 268uschar *acl_verify_message = NULL;
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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
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281 US"PRDR",
282#endif
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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",
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292 US"QUIT",
293 US"STARTTLS",
723c72e6 294 US"VRFY",
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295 US"delivery",
296 US"unknown"
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297 };
298
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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
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306 US"550", /* RCPT PRDR */
307#endif
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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 */
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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
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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;
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328address_item *addr_duplicate = NULL;
329
330address_item address_defaults = {
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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
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363 .cipher = NULL,
364 .ourcert = NULL,
365 .peercert = NULL,
366 .peerdn = NULL,
367 .ocsp = OCSP_NOT_REQ,
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368#endif
369#ifdef EXPERIMENTAL_DSN_INFO
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370 .smtp_greeting = NULL,
371 .helo_response = NULL,
895fbaf2 372#endif
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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 },
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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
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404 .utf8_msg = FALSE,
405 .utf8_downcvt = FALSE,
406 .utf8_downcvt_maybe = FALSE
384152a6 407#endif
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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;
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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 */
617d3932
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423BOOL allow_utf8_domains = FALSE;
424
425#ifdef EXPERIMENTAL_ARC
426struct arc_set *arc_received = NULL;
427int arc_received_instance = 0;
428int arc_oldest_pass = 0;
429const uschar *arc_state = NULL;
93c931f8 430const uschar *arc_state_reason = NULL;
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431#endif
432
2d07a215 433uschar *authenticated_fail_id = NULL;
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434uschar *authenticated_id = NULL;
435uschar *authenticated_sender = NULL;
436BOOL authentication_failed = FALSE;
40394cc1 437BOOL authentication_local = FALSE;
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438auth_instance *auths = NULL;
439uschar *auth_advertise_hosts = US"*";
440auth_instance auth_defaults = {
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441 .next = NULL,
442 .name = NULL,
443 .info = NULL,
444 .options_block = NULL,
445 .driver_name = NULL,
446 .advertise_condition = NULL,
447 .client_condition = NULL,
448 .public_name = NULL,
449 .set_id = NULL,
450 .set_client_id = NULL,
451 .mail_auth_condition = NULL,
452 .server_debug_string = NULL,
453 .server_condition = NULL,
454 .client = FALSE,
455 .server = FALSE,
456 .advertised = FALSE
059ec3d9
PH
457};
458
459uschar *auth_defer_msg = US"reason not recorded";
460uschar *auth_defer_user_msg = US"";
f78eb7c6 461uschar *auth_vars[AUTH_VARS];
059ec3d9 462int auto_thaw = 0;
8523533c 463#ifdef WITH_CONTENT_SCAN
9e949f00 464BOOL av_failed = FALSE;
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465uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
466#endif
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467
468BOOL background_daemon = TRUE;
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469
470#if BASE_62 == 62
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471uschar *base62_chars=
472 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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473#else
474uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
475#endif
476
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477uschar *bi_command = NULL;
478uschar *big_buffer = NULL;
479int big_buffer_size = BIG_BUFFER_SIZE;
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480#ifdef EXPERIMENTAL_BRIGHTMAIL
481uschar *bmi_alt_location = NULL;
482uschar *bmi_base64_tracker_verdict = NULL;
483uschar *bmi_base64_verdict = NULL;
484uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
485int bmi_deliver = 1;
486int bmi_run = 0;
487uschar *bmi_verdicts = NULL;
488#endif
32b8ce41 489int bsmtp_transaction_linecount = 0;
939c3e34 490int body_8bitmime = 0;
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491int body_linecount = 0;
492int body_zerocount = 0;
493uschar *bounce_message_file = NULL;
494uschar *bounce_message_text = NULL;
495uschar *bounce_recipient = NULL;
496BOOL bounce_return_body = TRUE;
62b7cd08 497int bounce_return_linesize_limit = 998;
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498BOOL bounce_return_message = TRUE;
499int bounce_return_size_limit = 100*1024;
500uschar *bounce_sender_authentication = NULL;
059ec3d9 501
055e2cb4 502uschar *callout_address = NULL;
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503int callout_cache_domain_positive_expire = 7*24*60*60;
504int callout_cache_domain_negative_expire = 3*60*60;
505int callout_cache_positive_expire = 24*60*60;
506int callout_cache_negative_expire = 2*60*60;
507uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 508uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
ddf1b11a
JH
509int check_log_inodes = 100;
510int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
a0d6ba8a 511BOOL check_rfc2047_length = TRUE;
ddf1b11a
JH
512int check_spool_inodes = 100;
513int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
18481de3 514
aa368db3 515uschar *chunking_advertise_hosts = US"*";
18481de3 516unsigned chunking_datasize = 0;
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JH
517unsigned chunking_data_left = 0;
518BOOL chunking_offered = FALSE;
18481de3 519chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
f98442df 520const pcre *regex_CHUNKING = NULL;
18481de3 521
aa368db3
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522uschar *client_authenticator = NULL;
523uschar *client_authenticated_id = NULL;
524uschar *client_authenticated_sender = NULL;
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525int clmacro_count = 0;
526uschar *clmacros[MAX_CLMACROS];
f33875c3 527BOOL commandline_checks_require_admin = FALSE;
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528BOOL config_changed = FALSE;
529FILE *config_file = NULL;
18d6b513 530const uschar *config_filename = NULL;
059ec3d9 531int config_lineno = 0;
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532#ifdef CONFIGURE_GROUP
533gid_t config_gid = CONFIGURE_GROUP;
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534#else
535gid_t config_gid = 0;
35edf2ff 536#endif
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537uschar *config_main_filelist = US CONFIGURE_FILE
538 "\0<-----------Space to patch configure_filename->";
539uschar *config_main_filename = NULL;
98b8312f 540uschar *config_main_directory = NULL;
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541
542#ifdef CONFIGURE_OWNER
543uid_t config_uid = CONFIGURE_OWNER;
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544#else
545uid_t config_uid = 0;
059ec3d9
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546#endif
547
548int connection_max_messages= -1;
5013d912 549uschar *continue_proxy_cipher = NULL;
059ec3d9
PH
550uschar *continue_hostname = NULL;
551uschar *continue_host_address = NULL;
552BOOL continue_more = FALSE;
553int continue_sequence = 1;
554uschar *continue_transport = NULL;
555
e5a9dba6 556uschar *csa_status = NULL;
5032d1cf 557cut_t cutthrough = {
f2ed27cf
JH
558 .callout_hold_only = FALSE, /* verify-only: normal delivery */
559 .delivery = FALSE, /* when to attempt */
560 .defer_pass = FALSE, /* on defer: spool locally */
561 .is_tls = FALSE, /* not a TLS conn yet */
562 .fd = -1, /* open connection */
563 .nrcpt = 0, /* number of addresses */
5032d1cf 564};
e5a9dba6 565
059ec3d9
PH
566BOOL daemon_listen = FALSE;
567uschar *daemon_smtp_port = US"smtp";
4aee0225
PH
568int daemon_startup_retries = 9;
569int daemon_startup_sleep = 30;
6a8f9482
TK
570
571#ifdef EXPERIMENTAL_DCC
572BOOL dcc_direct_add_header = FALSE;
573uschar *dcc_header = NULL;
574uschar *dcc_result = NULL;
575uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
576uschar *dccifd_options = US"header";
577#endif
578
3d235903 579BOOL debug_daemon = FALSE;
059ec3d9
PH
580int debug_fd = -1;
581FILE *debug_file = NULL;
6c6d6e48
TF
582int debug_notall[] = {
583 Di_memory,
584 -1
059ec3d9 585};
6c6d6e48
TF
586bit_table debug_options[] = { /* must be in alphabetical order */
587 BIT_TABLE(D, acl),
588 BIT_TABLE(D, all),
589 BIT_TABLE(D, auth),
590 BIT_TABLE(D, deliver),
591 BIT_TABLE(D, dns),
592 BIT_TABLE(D, dnsbl),
593 BIT_TABLE(D, exec),
594 BIT_TABLE(D, expand),
595 BIT_TABLE(D, filter),
596 BIT_TABLE(D, hints_lookup),
597 BIT_TABLE(D, host_lookup),
598 BIT_TABLE(D, ident),
599 BIT_TABLE(D, interface),
600 BIT_TABLE(D, lists),
601 BIT_TABLE(D, load),
602 BIT_TABLE(D, local_scan),
603 BIT_TABLE(D, lookup),
604 BIT_TABLE(D, memory),
605 BIT_TABLE(D, pid),
606 BIT_TABLE(D, process_info),
607 BIT_TABLE(D, queue_run),
608 BIT_TABLE(D, receive),
609 BIT_TABLE(D, resolver),
610 BIT_TABLE(D, retry),
611 BIT_TABLE(D, rewrite),
612 BIT_TABLE(D, route),
613 BIT_TABLE(D, timestamp),
614 BIT_TABLE(D, tls),
615 BIT_TABLE(D, transport),
616 BIT_TABLE(D, uid),
617 BIT_TABLE(D, verify),
618};
619int debug_options_count = nelem(debug_options);
620
059ec3d9 621unsigned int debug_selector = 0;
64073d9c 622BOOL debug_store = FALSE;
059ec3d9 623int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH
624uschar *delay_warning_condition=
625 US"${if or {"
e85a7ad5 626 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH
627 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
628 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
629 "} {no}{yes}}";
059ec3d9
PH
630BOOL delivery_date_remove = TRUE;
631uschar *deliver_address_data = NULL;
632int deliver_datafile = -1;
55414b25 633const uschar *deliver_domain = NULL;
059ec3d9 634uschar *deliver_domain_data = NULL;
55414b25
JH
635const uschar *deliver_domain_orig = NULL;
636const uschar *deliver_domain_parent = NULL;
059ec3d9
PH
637BOOL deliver_drop_privilege = FALSE;
638BOOL deliver_firsttime = FALSE;
639BOOL deliver_force = FALSE;
640BOOL deliver_freeze = FALSE;
19050083 641time_t deliver_frozen_at = 0;
059ec3d9 642uschar *deliver_home = NULL;
55414b25
JH
643const uschar *deliver_host = NULL;
644const uschar *deliver_host_address = NULL;
a7538db1 645int deliver_host_port = 0;
059ec3d9
PH
646uschar *deliver_in_buffer = NULL;
647ino_t deliver_inode = 0;
648uschar *deliver_localpart = NULL;
649uschar *deliver_localpart_data = NULL;
650uschar *deliver_localpart_orig = NULL;
651uschar *deliver_localpart_parent = NULL;
652uschar *deliver_localpart_prefix = NULL;
653uschar *deliver_localpart_suffix = NULL;
654BOOL deliver_force_thaw = FALSE;
655BOOL deliver_manual_thaw = FALSE;
656uschar *deliver_out_buffer = NULL;
657int deliver_queue_load_max = -1;
658address_item *deliver_recipients = NULL;
659uschar *deliver_selectstring = NULL;
660BOOL deliver_selectstring_regex = FALSE;
661uschar *deliver_selectstring_sender = NULL;
662BOOL deliver_selectstring_sender_regex = FALSE;
4c590bd1 663BOOL disable_callout_flush = FALSE;
047bdd8c 664BOOL disable_delay_flush = FALSE;
54fc8428
PH
665#ifdef ENABLE_DISABLE_FSYNC
666BOOL disable_fsync = FALSE;
667#endif
7e66e54d 668BOOL disable_ipv6 = FALSE;
059ec3d9
PH
669BOOL disable_logging = FALSE;
670
80a47a2c 671#ifndef DISABLE_DKIM
64b67b65 672unsigned dkim_collect_input = 0;
2df588c9 673uschar *dkim_cur_signer = NULL;
abe1010c
JH
674BOOL dkim_disable_verify = FALSE;
675int dkim_key_length = 0;
b4757e36 676void *dkim_signatures = NULL;
9e5d6b55 677uschar *dkim_signers = NULL;
f7572e5a
TK
678uschar *dkim_signing_domain = NULL;
679uschar *dkim_signing_selector = NULL;
2c47372f 680uschar *dkim_verify_overall = NULL;
9e5d6b55 681uschar *dkim_verify_signers = US"$dkim_signers";
a79d8834
JH
682uschar *dkim_verify_status = NULL;
683uschar *dkim_verify_reason = NULL;
f7572e5a 684#endif
4840604e 685#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 686BOOL dmarc_has_been_checked = FALSE;
8c8b8274 687uschar *dmarc_domain_policy = NULL;
4840604e
TL
688uschar *dmarc_forensic_sender = NULL;
689uschar *dmarc_history_file = NULL;
690uschar *dmarc_status = NULL;
691uschar *dmarc_status_text = NULL;
692uschar *dmarc_tld_file = NULL;
693uschar *dmarc_used_domain = NULL;
694BOOL dmarc_disable_verify = FALSE;
695BOOL dmarc_enable_forensic = FALSE;
696#endif
f7572e5a 697
059ec3d9 698uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH
699int dns_csa_search_limit = 5;
700BOOL dns_csa_use_reverse = TRUE;
d8d9f930 701int dns_cname_loops = 1;
c0635b6d 702#ifdef SUPPORT_DANE
e682570f
TL
703int dns_dane_ok = -1;
704#endif
059ec3d9
PH
705uschar *dns_ipv4_lookup = NULL;
706int dns_retrans = 0;
707int dns_retry = 0;
0fbd9bff 708int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 709uschar *dns_trust_aa = NULL;
e97d1f08 710int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 711uschar *dnslist_domain = NULL;
93655c46 712uschar *dnslist_matched = NULL;
059ec3d9
PH
713uschar *dnslist_text = NULL;
714uschar *dnslist_value = NULL;
715tree_node *domainlist_anchor = NULL;
716int domainlist_count = 0;
717BOOL dont_deliver = FALSE;
718BOOL dot_ends = TRUE;
719BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 720uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH
721
722BOOL enable_dollar_recipients = FALSE;
723BOOL envelope_to_remove = TRUE;
724int errno_quota = ERRNO_QUOTA;
725uschar *errors_copy = NULL;
726int error_handling = ERRORS_SENDER;
727uschar *errors_reply_to = NULL;
728int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 729#ifndef DISABLE_EVENT
723fe533 730uschar *event_action = NULL; /* expansion for delivery events */
4c04137d 731uschar *event_data = NULL; /* auxiliary data variable for event */
723fe533 732int event_defer_errno = 0;
55414b25 733const uschar *event_name = NULL; /* event name variable */
723fe533
JH
734#endif
735
059ec3d9
PH
736
737gid_t exim_gid = EXIM_GID;
738BOOL exim_gid_set = TRUE; /* This gid is always set */
739uschar *exim_path = US BIN_DIRECTORY "/exim"
740 "\0<---------------Space to patch exim_path->";
741uid_t exim_uid = EXIM_UID;
742BOOL exim_uid_set = TRUE; /* This uid is always set */
e1d04f48 743int expand_level = 0; /* Nesting depth, indent for debug */
059ec3d9
PH
744int expand_forbid = 0;
745int expand_nlength[EXPAND_MAXN+1];
746int expand_nmax = -1;
747uschar *expand_nstring[EXPAND_MAXN+1];
748BOOL expand_string_forcedfail = FALSE;
749uschar *expand_string_message;
750BOOL extract_addresses_remove_arguments = TRUE;
751uschar *extra_local_interfaces = NULL;
752
29aba418 753int fake_response = OK;
0e22dfd1
PH
754uschar *fake_response_text = US"Your message has been rejected but is "
755 "being kept for evaluation.\nIf it was a "
756 "legitimate message, it may still be "
757 "delivered to the target recipient(s).";
059ec3d9
PH
758int filter_n[FILTER_VARIABLE_COUNT];
759BOOL filter_running = FALSE;
760int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH
761int filter_test = FTEST_NONE;
762uschar *filter_test_sfile = NULL;
763uschar *filter_test_ufile = NULL;
059ec3d9
PH
764uschar *filter_thisaddress = NULL;
765int finduser_retries = 0;
766uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
767uschar *freeze_tell = NULL;
6a3f1455 768uschar *freeze_tell_config = NULL;
059ec3d9
PH
769uschar *fudged_queue_times = US"";
770
771uschar *gecos_name = NULL;
772uschar *gecos_pattern = NULL;
773rewrite_rule *global_rewrite_rules = NULL;
774
9723f966
JH
775volatile sig_atomic_t had_command_timeout = 0;
776volatile sig_atomic_t had_command_sigterm = 0;
777volatile sig_atomic_t had_data_timeout = 0;
778volatile sig_atomic_t had_data_sigint = 0;
059ec3d9
PH
779uschar *headers_charset = US HEADERS_CHARSET;
780int header_insert_maxlen = 64 * 1024;
781header_line *header_last = NULL;
782header_line *header_list = NULL;
783int header_maxsize = HEADER_MAXSIZE;
784int header_line_maxsize = 0;
785
786header_name header_names[] = {
f2ed27cf
JH
787 /* name len allow_resent htype */
788 { US"bcc", 3, TRUE, htype_bcc },
789 { US"cc", 2, TRUE, htype_cc },
790 { US"date", 4, TRUE, htype_date },
791 { US"delivery-date", 13, FALSE, htype_delivery_date },
792 { US"envelope-to", 11, FALSE, htype_envelope_to },
793 { US"from", 4, TRUE, htype_from },
794 { US"message-id", 10, TRUE, htype_id },
795 { US"received", 8, FALSE, htype_received },
796 { US"reply-to", 8, FALSE, htype_reply_to },
797 { US"return-path", 11, FALSE, htype_return_path },
798 { US"sender", 6, TRUE, htype_sender },
799 { US"subject", 7, FALSE, htype_subject },
800 { US"to", 2, TRUE, htype_to }
059ec3d9
PH
801};
802
617d3932 803int header_names_size = nelem(header_names);
059ec3d9
PH
804
805BOOL header_rewritten = FALSE;
806uschar *helo_accept_junk_hosts = NULL;
807uschar *helo_allow_chars = US"";
808uschar *helo_lookup_domains = US"@ : @[]";
809uschar *helo_try_verify_hosts = NULL;
810BOOL helo_verified = FALSE;
d7b47fd0 811BOOL helo_verify_failed = FALSE;
059ec3d9 812uschar *helo_verify_hosts = NULL;
1ba28e2b 813const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH
814uschar *hold_domains = NULL;
815BOOL host_checking = FALSE;
816BOOL host_checking_callout = FALSE;
817uschar *host_data = NULL;
818BOOL host_find_failed_syntax= FALSE;
819uschar *host_lookup = NULL;
b08b24c8 820BOOL host_lookup_deferred = FALSE;
059ec3d9
PH
821BOOL host_lookup_failed = FALSE;
822uschar *host_lookup_order = US"bydns:byaddr";
823uschar *host_lookup_msg = US"";
824int host_number = 0;
825uschar *host_number_string = NULL;
826uschar *host_reject_connection = NULL;
827tree_node *hostlist_anchor = NULL;
828int hostlist_count = 0;
829uschar *hosts_treat_as_local = NULL;
830uschar *hosts_connection_nolog = NULL;
831
832int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
833BOOL ignore_fromline_local = FALSE;
834uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP
835BOOL inetd_wait_mode = FALSE;
836int inetd_wait_timeout = -1;
3615fa9a 837uschar *initial_cwd = NULL;
059ec3d9
PH
838uschar *interface_address = NULL;
839int interface_port = -1;
840BOOL is_inetd = FALSE;
0ce9abe6 841uschar *iterate_item = NULL;
059ec3d9
PH
842
843int journal_fd = -1;
844
bc3c7bb7
HSHR
845uschar *keep_environment = NULL;
846
059ec3d9
PH
847int keep_malformed = 4*24*60*60; /* 4 days */
848
849uschar *eldap_dn = NULL;
850int load_average = -2;
851BOOL local_error_message = FALSE;
852BOOL local_from_check = TRUE;
853uschar *local_from_prefix = NULL;
854uschar *local_from_suffix = NULL;
855
856#if HAVE_IPV6
857uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
858#else
859uschar *local_interfaces = US"0.0.0.0";
860#endif
861
9723f966 862#ifdef HAVE_LOCAL_SCAN
059ec3d9
PH
863uschar *local_scan_data = NULL;
864int local_scan_timeout = 5*60;
9723f966 865#endif
059ec3d9
PH
866BOOL local_sender_retain = FALSE;
867gid_t local_user_gid = (gid_t)(-1);
868uid_t local_user_uid = (uid_t)(-1);
869
870tree_node *localpartlist_anchor= NULL;
871int localpartlist_count = 0;
872uschar *log_buffer = NULL;
6c6d6e48
TF
873
874int log_default[] = { /* for initializing log_selector */
875 Li_acl_warn_skipped,
876 Li_connection_reject,
877 Li_delay_delivery,
2c47372f 878 Li_dkim,
6c6d6e48
TF
879 Li_dnslist_defer,
880 Li_etrn,
881 Li_host_lookup_failed,
882 Li_lost_incoming_connection,
ac881e27 883 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF
884 Li_queue_run,
885 Li_rejected_header,
886 Li_retry_defer,
887 Li_sender_verify_fail,
888 Li_size_reject,
889 Li_skip_delivery,
890 Li_smtp_confirmation,
891 Li_tls_certificate_verified,
892 Li_tls_cipher,
893 -1
894};
895
059ec3d9
PH
896uschar *log_file_path = US LOG_FILE_PATH
897 "\0<--------------Space to patch log_file_path->";
898
6c6d6e48
TF
899int log_notall[] = {
900 -1
901};
902bit_table log_options[] = { /* must be in alphabetical order */
903 BIT_TABLE(L, 8bitmime),
904 BIT_TABLE(L, acl_warn_skipped),
905 BIT_TABLE(L, address_rewrite),
906 BIT_TABLE(L, all),
907 BIT_TABLE(L, all_parents),
908 BIT_TABLE(L, arguments),
909 BIT_TABLE(L, connection_reject),
910 BIT_TABLE(L, delay_delivery),
911 BIT_TABLE(L, deliver_time),
912 BIT_TABLE(L, delivery_size),
2c47372f
JH
913#ifndef DISABLE_DKIM
914 BIT_TABLE(L, dkim),
915 BIT_TABLE(L, dkim_verbose),
916#endif
6c6d6e48 917 BIT_TABLE(L, dnslist_defer),
fc16abb4 918 BIT_TABLE(L, dnssec),
6c6d6e48
TF
919 BIT_TABLE(L, etrn),
920 BIT_TABLE(L, host_lookup_failed),
921 BIT_TABLE(L, ident_timeout),
922 BIT_TABLE(L, incoming_interface),
923 BIT_TABLE(L, incoming_port),
924 BIT_TABLE(L, lost_incoming_connection),
571b2715 925 BIT_TABLE(L, millisec),
ac881e27 926 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF
927 BIT_TABLE(L, outgoing_port),
928 BIT_TABLE(L, pid),
2c47372f 929#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
6c6d6e48
TF
930 BIT_TABLE(L, proxy),
931#endif
932 BIT_TABLE(L, queue_run),
933 BIT_TABLE(L, queue_time),
934 BIT_TABLE(L, queue_time_overall),
306c6c77 935 BIT_TABLE(L, receive_time),
6c6d6e48
TF
936 BIT_TABLE(L, received_recipients),
937 BIT_TABLE(L, received_sender),
938 BIT_TABLE(L, rejected_header),
939 { US"rejected_headers", Li_rejected_header },
940 BIT_TABLE(L, retry_defer),
941 BIT_TABLE(L, return_path_on_delivery),
942 BIT_TABLE(L, sender_on_delivery),
943 BIT_TABLE(L, sender_verify_fail),
944 BIT_TABLE(L, size_reject),
945 BIT_TABLE(L, skip_delivery),
946 BIT_TABLE(L, smtp_confirmation),
947 BIT_TABLE(L, smtp_connection),
948 BIT_TABLE(L, smtp_incomplete_transaction),
949 BIT_TABLE(L, smtp_mailauth),
950 BIT_TABLE(L, smtp_no_mail),
951 BIT_TABLE(L, smtp_protocol_error),
952 BIT_TABLE(L, smtp_syntax_error),
953 BIT_TABLE(L, subject),
954 BIT_TABLE(L, tls_certificate_verified),
955 BIT_TABLE(L, tls_cipher),
956 BIT_TABLE(L, tls_peerdn),
957 BIT_TABLE(L, tls_sni),
958 BIT_TABLE(L, unknown_in_list),
059ec3d9 959};
6c6d6e48 960int log_options_count = nelem(log_options);
059ec3d9 961
6ea85e9a 962int log_reject_target = 0;
6c6d6e48 963unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH
964uschar *log_selector_string = NULL;
965FILE *log_stderr = NULL;
966BOOL log_testing_mode = FALSE;
967BOOL log_timezone = FALSE;
968uschar *login_sender_address = NULL;
4e0983dc 969uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH
970int lookup_open_max = 25;
971uschar *lookup_value = NULL;
972
85e03244 973macro_item *macros_user = NULL;
059ec3d9 974uschar *mailstore_basename = NULL;
8523533c
TK
975#ifdef WITH_CONTENT_SCAN
976uschar *malware_name = NULL; /* Virus Name */
977#endif
d677b2f2 978int max_received_linelength= 0;
059ec3d9
PH
979int max_username_length = 0;
980int message_age = 0;
981uschar *message_body = NULL;
982uschar *message_body_end = NULL;
ddea74fa 983BOOL message_body_newlines = FALSE;
059ec3d9
PH
984int message_body_size = 0;
985int message_body_visible = 500;
986int message_ended = END_NOTSTARTED;
987uschar *message_headers = NULL;
988uschar *message_id;
989uschar *message_id_domain = NULL;
990uschar *message_id_text = NULL;
991struct timeval message_id_tv = { 0, 0 };
992uschar message_id_option[MESSAGE_ID_LENGTH + 3];
993uschar *message_id_external;
994int message_linecount = 0;
995BOOL message_logs = TRUE;
996int message_size = 0;
997uschar *message_size_limit = US"50M";
8c5d388a 998#ifdef SUPPORT_I18N
eb02f5df 999BOOL message_smtputf8 = FALSE;
3c8b3577 1000int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 1001#endif
059ec3d9
PH
1002uschar message_subdir[2] = { 0, 0 };
1003uschar *message_reference = NULL;
8523533c
TK
1004
1005/* MIME ACL expandables */
1006#ifdef WITH_CONTENT_SCAN
f7b63901 1007int mime_anomaly_level = 0;
1ba28e2b 1008const uschar *mime_anomaly_text = NULL;
8523533c
TK
1009uschar *mime_boundary = NULL;
1010uschar *mime_charset = NULL;
1011uschar *mime_content_description = NULL;
1012uschar *mime_content_disposition = NULL;
1013uschar *mime_content_id = NULL;
1014unsigned int mime_content_size = 0;
1015uschar *mime_content_transfer_encoding = NULL;
1016uschar *mime_content_type = NULL;
1017uschar *mime_decoded_filename = NULL;
1018uschar *mime_filename = NULL;
1019int mime_is_multipart = 0;
1020int mime_is_coverletter = 0;
1021int mime_is_rfc822 = 0;
1022int mime_part_count = -1;
1023#endif
1024
059ec3d9
PH
1025BOOL mua_wrapper = FALSE;
1026
1027uid_t *never_users = NULL;
8523533c
TK
1028#ifdef WITH_CONTENT_SCAN
1029BOOL no_mbox_unspool = FALSE;
1030#endif
059ec3d9
PH
1031BOOL no_multiline_responses = FALSE;
1032
fb05276a
JH
1033const int on = 1; /* for setsockopt */
1034const int off = 0;
1035
059ec3d9
PH
1036uid_t original_euid;
1037gid_t originator_gid;
1038uschar *originator_login = NULL;
1039uschar *originator_name = NULL;
1040uid_t originator_uid;
1041uschar *override_local_interfaces = NULL;
1042uschar *override_pid_file_path = NULL;
1043
1044BOOL parse_allow_group = FALSE;
1045BOOL parse_found_group = FALSE;
1046uschar *percent_hack_domains = NULL;
1047uschar *pid_file_path = US PID_FILE_PATH
1048 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 1049BOOL pipelining_enable = TRUE;
059ec3d9
PH
1050uschar *pipelining_advertise_hosts = US"*";
1051BOOL preserve_message_logs = FALSE;
1052uschar *primary_hostname = NULL;
1053BOOL print_topbitchars = FALSE;
1054uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1055int process_info_len = 0;
059ec3d9
PH
1056uschar *process_log_path = NULL;
1057BOOL prod_requires_admin = TRUE;
a3c86431 1058
e6d2a989 1059#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 1060uschar *hosts_proxy = US"";
e6d2a989
JH
1061uschar *proxy_external_address = US"";
1062int proxy_external_port = 0;
1063uschar *proxy_local_address = US"";
1064int proxy_local_port = 0;
a3c86431
TL
1065BOOL proxy_session = FALSE;
1066BOOL proxy_session_failed = FALSE;
1067#endif
1068
fffda43a
TK
1069uschar *prvscheck_address = NULL;
1070uschar *prvscheck_keynum = NULL;
1071uschar *prvscheck_result = NULL;
1072
059ec3d9 1073
55414b25 1074const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH
1075uschar *qualify_domain_sender = NULL;
1076BOOL queue_2stage = FALSE;
1077uschar *queue_domains = NULL;
1078int queue_interval = -1;
1079BOOL queue_list_requires_admin = TRUE;
a2da3176 1080uschar *queue_name = US"";
059ec3d9
PH
1081BOOL queue_only = FALSE;
1082uschar *queue_only_file = NULL;
1083int queue_only_load = -1;
8669f003 1084BOOL queue_only_load_latch = TRUE;
059ec3d9
PH
1085BOOL queue_only_override = TRUE;
1086BOOL queue_only_policy = FALSE;
1087BOOL queue_run_first_delivery = FALSE;
1088BOOL queue_run_force = FALSE;
1089BOOL queue_run_in_order = FALSE;
1090BOOL queue_run_local = FALSE;
0cd5fd23 1091uschar *queue_run_max = US"5";
059ec3d9
PH
1092pid_t queue_run_pid = (pid_t)0;
1093int queue_run_pipe = -1;
1094BOOL queue_running = FALSE;
1095BOOL queue_smtp = FALSE;
1096uschar *queue_smtp_domains = NULL;
1097
1098unsigned int random_seed = 0;
fe0dab11 1099tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF
1100tree_node *ratelimiters_conn = NULL;
1101tree_node *ratelimiters_mail = NULL;
059ec3d9
PH
1102uschar *raw_active_hostname = NULL;
1103uschar *raw_sender = NULL;
1104uschar **raw_recipients = NULL;
1105int raw_recipients_count = 0;
1106
1107int rcpt_count = 0;
1108int rcpt_fail_count = 0;
1109int rcpt_defer_count = 0;
1110gid_t real_gid;
1111uid_t real_uid;
1112BOOL really_exim = TRUE;
1113BOOL receive_call_bombout = FALSE;
1114int receive_linecount = 0;
1115int receive_messagecount = 0;
1116int receive_timeout = 0;
1117int received_count = 0;
1118uschar *received_for = NULL;
1119
1120/* This is the default text for Received headers generated by Exim. The
1121date will be automatically added on the end. */
1122
1123uschar *received_header_text = US
1124 "Received: "
1125 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1126 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH
1127 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1128 "by $primary_hostname "
1129 "${if def:received_protocol {with $received_protocol}} "
1130 #ifdef SUPPORT_TLS
1131 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1132 #endif
1133 "(Exim $version_number)\n\t"
3e46c1aa 1134 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1135 "id $message_exim_id"
059ec3d9
PH
1136 "${if def:received_for {\n\tfor $received_for}}"
1137 "\0<---------------Space to patch received_header_text->";
1138
1139int received_headers_max = 30;
1140uschar *received_protocol = NULL;
32dfdf8b 1141struct timeval received_time = { 0, 0 };
306c6c77 1142struct timeval received_time_taken = { 0, 0 };
059ec3d9
PH
1143uschar *recipient_data = NULL;
1144uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1145uschar *recipient_verify_failure = NULL;
059ec3d9
PH
1146int recipients_count = 0;
1147BOOL recipients_discarded = FALSE;
1148recipient_item *recipients_list = NULL;
1149int recipients_list_max = 0;
1150int recipients_max = 0;
1151BOOL recipients_max_reject = FALSE;
1152const pcre *regex_AUTH = NULL;
1153const pcre *regex_check_dns_names = NULL;
1154const pcre *regex_From = NULL;
f1513293 1155const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH
1156const pcre *regex_PIPELINING = NULL;
1157const pcre *regex_SIZE = NULL;
1158const pcre *regex_ismsgid = NULL;
f38917cc
JH
1159const pcre *regex_smtp_code = NULL;
1160uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP
1161#ifdef WHITELIST_D_MACROS
1162const pcre *regex_whitelisted_macro = NULL;
1163#endif
8523533c
TK
1164#ifdef WITH_CONTENT_SCAN
1165uschar *regex_match_string = NULL;
1166#endif
059ec3d9
PH
1167int remote_delivery_count = 0;
1168int remote_max_parallel = 2;
1169uschar *remote_sort_domains = NULL;
1170int retry_data_expire = 7*24*60*60;
1171int retry_interval_max = 24*60*60;
1172int retry_maximum_timeout = 0; /* set from retry config */
1173retry_config *retries = NULL;
1174uschar *return_path = NULL;
1175BOOL return_path_remove = TRUE;
1176int rewrite_existflags = 0;
f926e272
JH
1177uschar *rfc1413_hosts = US"@[]";
1178int rfc1413_query_timeout = 0;
059ec3d9 1179/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1180uid_t root_gid = ROOT_GID;
059ec3d9
PH
1181uid_t root_uid = ROOT_UID;
1182
1183router_instance *routers = NULL;
1184router_instance router_defaults = {
f2ed27cf
JH
1185 .next = NULL,
1186 .name = NULL,
1187 .info = NULL,
1188 .options_block = NULL,
1189 .driver_name = NULL,
059ec3d9 1190
f2ed27cf 1191 .address_data = NULL,
8523533c 1192#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf 1193 .bmi_rule = NULL,
8e669ac1 1194#endif
f2ed27cf
JH
1195 .cannot_route_message = NULL,
1196 .condition = NULL,
1197 .current_directory = NULL,
1198 .debug_string = NULL,
1199 .domains = NULL,
1200 .errors_to = NULL,
1201 .expand_gid = NULL,
1202 .expand_uid = NULL,
1203 .expand_more = NULL,
1204 .expand_unseen = NULL,
1205 .extra_headers = NULL,
1206 .fallback_hosts = NULL,
1207 .home_directory = NULL,
1208 .ignore_target_hosts = NULL,
1209 .local_parts = NULL,
1210 .pass_router_name = NULL,
1211 .prefix = NULL,
1212 .redirect_router_name = NULL,
1213 .remove_headers = NULL,
1214 .require_files = NULL,
1215 .router_home_directory = NULL,
1216 .self = US"freeze",
1217 .senders = NULL,
1218 .suffix = NULL,
1219 .translate_ip_address = NULL,
1220 .transport_name = NULL,
1221
1222 .address_test = TRUE,
8523533c 1223#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf
JH
1224 .bmi_deliver_alternate = FALSE,
1225 .bmi_deliver_default = FALSE,
1226 .bmi_dont_deliver = FALSE,
8523533c 1227#endif
f2ed27cf
JH
1228 .expn = TRUE,
1229 .caseful_local_part = FALSE,
1230 .check_local_user = FALSE,
1231 .disable_logging = FALSE,
1232 .fail_verify_recipient = FALSE,
1233 .fail_verify_sender = FALSE,
1234 .gid_set = FALSE,
1235 .initgroups = FALSE,
1236 .log_as_local = TRUE_UNSET,
1237 .more = TRUE,
1238 .pass_on_timeout = FALSE,
1239 .prefix_optional = FALSE,
1240 .repeat_use = TRUE,
1241 .retry_use_local_part = TRUE_UNSET,
1242 .same_domain_copy_routing = FALSE,
1243 .self_rewrite = FALSE,
1244 .suffix_optional = FALSE,
1245 .verify_only = FALSE,
1246 .verify_recipient = TRUE,
1247 .verify_sender = TRUE,
1248 .uid_set = FALSE,
1249 .unseen = FALSE,
1250 .dsn_lasthop = FALSE,
1251
1252 .self_code = self_freeze,
1253 .uid = (uid_t)(-1),
1254 .gid = (gid_t)(-1),
1255
1256 .fallback_hostlist = NULL,
1257 .transport = NULL,
1258 .pass_router = NULL,
1259 .redirect_router = NULL,
1260
1261 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH
1262};
1263
181d9bf8
JH
1264uschar *router_name = NULL;
1265
059ec3d9
PH
1266ip_address_item *running_interfaces = NULL;
1267BOOL running_in_test_harness = FALSE;
1268
1269/* This is a weird one. The following string gets patched in the binary by the
1270script that sets up a copy of Exim for running in the test harness. It seems
1271that compilers are now clever, and share constant strings if they can.
1272Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1273make use of the end of this string in order to save space. So the patching then
8669f003 1274wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH
1275onto the end of the string. */
1276
1277uschar *running_status = US">>>running<<<" "\0EXTRA";
1278
1279int runrc = 0;
1280
1281uschar *search_error_message = NULL;
1282BOOL search_find_defer = FALSE;
1283uschar *self_hostname = NULL;
1284uschar *sender_address = NULL;
1285unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1286uschar *sender_address_data = NULL;
059ec3d9
PH
1287BOOL sender_address_forced = FALSE;
1288uschar *sender_address_unrewritten = NULL;
1289uschar *sender_data = NULL;
1290unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1291uschar *sender_fullhost = NULL;
1705dd20 1292BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH
1293uschar *sender_helo_name = NULL;
1294uschar **sender_host_aliases = &no_aliases;
1295uschar *sender_host_address = NULL;
1296uschar *sender_host_authenticated = NULL;
c44ff8be 1297uschar *sender_host_auth_pubname = NULL;
059ec3d9 1298unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1299BOOL sender_host_dnssec = FALSE;
059ec3d9
PH
1300uschar *sender_host_name = NULL;
1301int sender_host_port = 0;
1302BOOL sender_host_notsocket = FALSE;
1303BOOL sender_host_unknown = FALSE;
1304uschar *sender_ident = NULL;
1305BOOL sender_local = FALSE;
2fe1a124 1306BOOL sender_name_forced = FALSE;
870f6ba8
TF
1307uschar *sender_rate = NULL;
1308uschar *sender_rate_limit = NULL;
1309uschar *sender_rate_period = NULL;
059ec3d9
PH
1310uschar *sender_rcvhost = NULL;
1311BOOL sender_set_untrusted = FALSE;
1312uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1313uschar *sender_verify_failure = NULL;
059ec3d9
PH
1314address_item *sender_verified_list = NULL;
1315address_item *sender_verified_failed = NULL;
1316int sender_verified_rc = -1;
1317BOOL sender_verified_responded = FALSE;
41c7c167
PH
1318uschar *sending_ip_address = NULL;
1319int sending_port = -1;
cd59ab18 1320SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1321uschar **sighup_argv = NULL;
846430d9 1322int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH
1323int smtp_accept_count = 0;
1324BOOL smtp_accept_keepalive = TRUE;
1325int smtp_accept_max = 20;
1326int smtp_accept_max_nonmail= 10;
1327uschar *smtp_accept_max_nonmail_hosts = US"*";
1328int smtp_accept_max_per_connection = 1000;
1329uschar *smtp_accept_max_per_host = NULL;
1330int smtp_accept_queue = 0;
1331int smtp_accept_queue_per_connection = 10;
1332int smtp_accept_reserve = 0;
1333uschar *smtp_active_hostname = NULL;
1334BOOL smtp_authenticated = FALSE;
1f5b4c3d 1335uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH
1336 "Exim $version_number $tod_full"
1337 "\0<---------------Space to patch smtp_banner->";
1338BOOL smtp_batched_input = FALSE;
1339BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1340int smtp_ch_index = 0;
3ee512ff
PH
1341uschar *smtp_cmd_argument = NULL;
1342uschar *smtp_cmd_buffer = NULL;
0f1a8658 1343struct timeval smtp_connection_start = {0,0};
b4ed4da0 1344uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH
1345int smtp_connect_backlog = 20;
1346double smtp_delay_mail = 0.0;
1347double smtp_delay_rcpt = 0.0;
1348BOOL smtp_enforce_sync = TRUE;
1349FILE *smtp_in = NULL;
1350BOOL smtp_input = FALSE;
1351int smtp_load_reserve = -1;
1352int smtp_mailcmd_count = 0;
1353FILE *smtp_out = NULL;
1354uschar *smtp_etrn_command = NULL;
1355BOOL smtp_etrn_serialize = TRUE;
1356int smtp_max_synprot_errors= 3;
1357int smtp_max_unknown_commands = 3;
8f128379 1358uschar *smtp_notquit_reason = NULL;
059ec3d9
PH
1359uschar *smtp_ratelimit_hosts = NULL;
1360uschar *smtp_ratelimit_mail = NULL;
1361uschar *smtp_ratelimit_rcpt = NULL;
1362uschar *smtp_read_error = US"";
1363int smtp_receive_timeout = 5*60;
1ad6489e 1364uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH
1365uschar *smtp_reserve_hosts = NULL;
1366BOOL smtp_return_error_details = FALSE;
1367int smtp_rlm_base = 0;
1368double smtp_rlm_factor = 0.0;
1369int smtp_rlm_limit = 0;
1370int smtp_rlm_threshold = INT_MAX;
1371int smtp_rlr_base = 0;
1372double smtp_rlr_factor = 0.0;
1373int smtp_rlr_limit = 0;
1374int smtp_rlr_threshold = INT_MAX;
2d14f397
JH
1375unsigned smtp_peer_options = 0;
1376unsigned smtp_peer_options_wrap= 0;
8c5d388a 1377#ifdef SUPPORT_I18N
9d4319df 1378uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1379#endif
8523533c
TK
1380
1381#ifdef WITH_CONTENT_SCAN
1382uschar *spamd_address = US"127.0.0.1 783";
1383uschar *spam_bar = NULL;
1384uschar *spam_report = NULL;
c5f280e2 1385uschar *spam_action = NULL;
8523533c
TK
1386uschar *spam_score = NULL;
1387uschar *spam_score_int = NULL;
1388#endif
7952eef9 1389#ifdef SUPPORT_SPF
65a7d8c3 1390uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK
1391uschar *spf_header_comment = NULL;
1392uschar *spf_received = NULL;
1393uschar *spf_result = NULL;
87e9d061 1394BOOL spf_result_guessed = FALSE;
8523533c
TK
1395uschar *spf_smtp_comment = NULL;
1396#endif
1397
059ec3d9 1398BOOL split_spool_directory = FALSE;
1bd642c2 1399FILE *spool_data_file = NULL;
059ec3d9
PH
1400uschar *spool_directory = US SPOOL_DIRECTORY
1401 "\0<--------------Space to patch spool_directory->";
328c5688
JH
1402BOOL spool_file_wireformat = FALSE;
1403BOOL spool_wireformat = FALSE;
8523533c
TK
1404#ifdef EXPERIMENTAL_SRS
1405uschar *srs_config = NULL;
1406uschar *srs_db_address = NULL;
1407uschar *srs_db_key = NULL;
384152a6
TK
1408int srs_hashlength = 6;
1409int srs_hashmin = -1;
1410int srs_maxage = 31;
8523533c
TK
1411uschar *srs_orig_recipient = NULL;
1412uschar *srs_orig_sender = NULL;
1413uschar *srs_recipient = NULL;
384152a6 1414uschar *srs_secrets = NULL;
8523533c 1415uschar *srs_status = NULL;
384152a6
TK
1416BOOL srs_usehash = TRUE;
1417BOOL srs_usetimestamp = TRUE;
8e669ac1 1418#endif
38a0a95f 1419BOOL strict_acl_vars = FALSE;
059ec3d9 1420int string_datestamp_offset= -1;
f1e5fef5
PP
1421int string_datestamp_length= 0;
1422int string_datestamp_type = -1;
059ec3d9
PH
1423BOOL strip_excess_angle_brackets = FALSE;
1424BOOL strip_trailing_dot = FALSE;
1425uschar *submission_domain = NULL;
1426BOOL submission_mode = FALSE;
2fe1a124 1427uschar *submission_name = NULL;
8800895a 1428BOOL suppress_local_fixups = FALSE;
f4ee74ac 1429BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH
1430BOOL synchronous_delivery = FALSE;
1431BOOL syslog_duplication = TRUE;
1432int syslog_facility = LOG_MAIL;
2333e06f 1433BOOL syslog_pid = TRUE;
059ec3d9
PH
1434uschar *syslog_processname = US"exim";
1435BOOL syslog_timestamp = TRUE;
1436uschar *system_filter = NULL;
1437
1438uschar *system_filter_directory_transport = NULL;
1439uschar *system_filter_file_transport = NULL;
1440uschar *system_filter_pipe_transport = NULL;
1441uschar *system_filter_reply_transport = NULL;
1442
1443gid_t system_filter_gid = 0;
1444BOOL system_filter_gid_set = FALSE;
79d4bc3d 1445uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH
1446BOOL system_filter_uid_set = FALSE;
1447BOOL system_filtering = FALSE;
1448
6af7e591 1449BOOL tcp_fastopen_ok = FALSE;
0ab63f3d 1450blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
a2673768
JH
1451BOOL tcp_in_fastopen = FALSE;
1452BOOL tcp_in_fastopen_logged = FALSE;
059ec3d9 1453BOOL tcp_nodelay = TRUE;
1ccd5f67 1454int tcp_out_fastopen = 0;
a2673768 1455BOOL tcp_out_fastopen_logged= FALSE;
5dc43717
JJ
1456#ifdef USE_TCP_WRAPPERS
1457uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1458#endif
8669f003 1459int test_harness_load_avg = 0;
059ec3d9
PH
1460int thismessage_size_limit = 0;
1461int timeout_frozen_after = 0;
1462BOOL timestamps_utc = FALSE;
1463
1464transport_instance *transports = NULL;
1465
1466transport_instance transport_defaults = {
f2ed27cf
JH
1467 .next = NULL,
1468 .name = NULL,
1469 .info = NULL,
1470 .options_block = NULL,
1471 .driver_name = NULL,
1472 .setup = NULL,
1473 .batch_max = 1,
1474 .batch_id = NULL,
1475 .home_dir = NULL,
1476 .current_dir = NULL,
1477 .expand_multi_domain = NULL,
1478 .multi_domain = TRUE,
1479 .overrides_hosts = FALSE,
1480 .max_addresses = 100,
1481 .connection_max_messages = 500,
1482 .deliver_as_creator = FALSE,
1483 .disable_logging = FALSE,
1484 .initgroups = FALSE,
1485 .uid_set = FALSE,
1486 .gid_set = FALSE,
1487 .uid = (uid_t)(-1),
1488 .gid = (gid_t)(-1),
1489 .expand_uid = NULL,
1490 .expand_gid = NULL,
1491 .warn_message = NULL,
1492 .shadow = NULL,
1493 .shadow_condition = NULL,
1494 .filter_command = NULL,
1495 .add_headers = NULL,
1496 .remove_headers = NULL,
1497 .return_path = NULL,
1498 .debug_string = NULL,
1499 .max_parallel = NULL,
1500 .message_size_limit = NULL,
1501 .headers_rewrite = NULL,
1502 .rewrite_rules = NULL,
1503 .rewrite_existflags = 0,
1504 .filter_timeout = 300,
1505 .body_only = FALSE,
1506 .delivery_date_add = FALSE,
1507 .envelope_to_add = FALSE,
1508 .headers_only = FALSE,
1509 .rcpt_include_affixes = FALSE,
1510 .return_path_add = FALSE,
1511 .return_output = FALSE,
1512 .return_fail_output = FALSE,
1513 .log_output = FALSE,
1514 .log_fail_output = FALSE,
1515 .log_defer_output = FALSE,
1516 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1517 1 nor 0 so can detect unset */
0cbf2b82 1518#ifndef DISABLE_EVENT
f2ed27cf 1519 .event_action = NULL
533aaf91 1520#endif
059ec3d9
PH
1521};
1522
1523int transport_count;
181d9bf8 1524uschar *transport_name = NULL;
332f5cf3 1525int transport_newlines;
55414b25 1526const uschar **transport_filter_argv = NULL;
059ec3d9 1527int transport_filter_timeout;
2e2a30b4 1528BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH
1529int transport_write_timeout= 0;
1530
1531tree_node *tree_dns_fails = NULL;
1532tree_node *tree_duplicates = NULL;
1533tree_node *tree_nonrecipients = NULL;
1534tree_node *tree_unusable = NULL;
1535
1536BOOL trusted_caller = FALSE;
e2f5dc15 1537BOOL trusted_config = TRUE;
059ec3d9
PH
1538gid_t *trusted_groups = NULL;
1539uid_t *trusted_users = NULL;
1540uschar *timezone_string = US TIMEZONE_DEFAULT;
1541
1542uschar *unknown_login = NULL;
1543uschar *unknown_username = NULL;
1544uschar *untrusted_set_sender = NULL;
1545
1546/* A regex for matching a "From_" line in an incoming message, in the form
1547
1548 From ph10 Fri Jan 5 12:35 GMT 1996
1549
1550which the "mail" commands send to the MTA (undocumented, of course), or in
1551the form
1552
1553 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1554
1555which is apparently used by some UUCPs, despite it not being in RFC 976.
1556Because of variations in time formats, just match up to the minutes. That
1557should be sufficient. Examples have been seen of time fields like 12:1:03,
1558so just require one digit for hours and minutes. The weekday is also absent
1559in some forms. */
1560
1561uschar *uucp_from_pattern = US
1562 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1563 "(?:" /* Non-extracting bracket */
1564 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1565 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1566 ")" /* End alternation */
1567 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1568
1569uschar *uucp_from_sender = US"$1";
1570
aec45841 1571uschar *verify_mode = NULL;
f45100a3 1572uschar *version_copyright =
f9ba5e22 1573 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
c45e9ca1 1574 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
059ec3d9
PH
1575uschar *version_date = US"?";
1576uschar *version_cnumber = US"????";
1577uschar *version_string = US"?";
1578
aec45841 1579uschar *warn_message_file = NULL;
059ec3d9 1580int warning_count = 0;
aec45841
JH
1581uschar *warnmsg_delay = NULL;
1582uschar *warnmsg_recipients = NULL;
1583BOOL write_rejectlog = TRUE;
1584
059ec3d9
PH
1585
1586/* End of globals.c */