Logging: server pipelining offer but no uptake
[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
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101them. Also, the tls_ variables are now always visible. Note that these are
102only used for smtp connections, not for service-daemon access. */
059ec3d9 103
817d9f57 104tls_support tls_in = {
74f1a423 105 .active = {.sock = -1},
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106 .bits = 0,
107 .certificate_verified = FALSE,
c0635b6d 108#ifdef SUPPORT_DANE
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109 .dane_verified = FALSE,
110 .tlsa_usage = 0,
85098ee7 111#endif
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112 .cipher = NULL,
113 .on_connect = FALSE,
114 .on_connect_ports = NULL,
115 .ourcert = NULL,
116 .peercert = NULL,
117 .peerdn = NULL,
118 .sni = NULL,
119 .ocsp = OCSP_NOT_REQ
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120};
121tls_support tls_out = {
74f1a423 122 .active = {.sock = -1},
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123 .bits = 0,
124 .certificate_verified = FALSE,
c0635b6d 125#ifdef SUPPORT_DANE
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126 .dane_verified = FALSE,
127 .tlsa_usage = 0,
85098ee7 128#endif
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129 .cipher = NULL,
130 .on_connect = FALSE,
131 .on_connect_ports = NULL,
132 .ourcert = NULL,
133 .peercert = NULL,
134 .peerdn = NULL,
135 .sni = NULL,
136 .ocsp = OCSP_NOT_REQ
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137};
138
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139uschar *dsn_envid = NULL;
140int dsn_ret = 0;
141const pcre *regex_DSN = NULL;
6c1c3d1d 142uschar *dsn_advertise_hosts = NULL;
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143
144#ifdef SUPPORT_TLS
e6060e2c 145BOOL gnutls_compat_mode = FALSE;
2519e60d 146BOOL gnutls_allow_auto_pkcs11 = FALSE;
77bb000f 147uschar *openssl_options = NULL;
059ec3d9 148const pcre *regex_STARTTLS = NULL;
23f3dc67 149uschar *tls_advertise_hosts = US"*";
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150uschar *tls_certificate = NULL;
151uschar *tls_crl = NULL;
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152/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
153that's the interop problem which has been observed: GnuTLS suggesting a higher
154bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
155int tls_dh_max_bits = 2236;
059ec3d9 156uschar *tls_dhparam = NULL;
8e53a4fc 157uschar *tls_eccurve = US"auto";
23f3dc67 158# ifndef DISABLE_OCSP
3f7eeb86 159uschar *tls_ocsp_file = NULL;
23f3dc67 160# endif
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161uschar *tls_privatekey = NULL;
162BOOL tls_remember_esmtp = FALSE;
163uschar *tls_require_ciphers = NULL;
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164# ifdef EXPERIMENTAL_REQUIRETLS
165uschar tls_requiretls = 0; /* REQUIRETLS_MSG etc. bit #defines */
166uschar *tls_advertise_requiretls = US"*";
167const pcre *regex_REQUIRETLS = NULL;
168# endif
059ec3d9 169uschar *tls_try_verify_hosts = NULL;
0e0f3f56 170uschar *tls_verify_certificates= US"system";
059ec3d9 171uschar *tls_verify_hosts = NULL;
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172#else /*!SUPPORT_TLS*/
173uschar *tls_advertise_hosts = NULL;
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174#endif
175
8ccd00b1 176#ifndef DISABLE_PRDR
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177/* Per Recipient Data Response variables */
178BOOL prdr_enable = FALSE;
179BOOL prdr_requested = FALSE;
180const pcre *regex_PRDR = NULL;
181#endif
059ec3d9 182
8c5d388a 183#ifdef SUPPORT_I18N
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184const pcre *regex_UTF8 = NULL;
185#endif
186
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187/* Input-reading functions for messages, so we can use special ones for
188incoming TCP/IP. The defaults use stdin. We never need these for any
189stand-alone tests. */
190
d185889f 191#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
bd8fbe36 192int (*lwr_receive_getc)(unsigned) = stdin_getc;
0d81dabc 193uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
7e3ce68e 194int (*lwr_receive_ungetc)(int) = stdin_ungetc;
bd8fbe36 195int (*receive_getc)(unsigned) = stdin_getc;
0d81dabc 196uschar * (*receive_getbuf)(unsigned *) = NULL;
584e96c6 197void (*receive_get_cache)(void)= NULL;
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198int (*receive_ungetc)(int) = stdin_ungetc;
199int (*receive_feof)(void) = stdin_feof;
200int (*receive_ferror)(void) = stdin_ferror;
58eb016e 201BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
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202#endif
203
204
205/* List of per-address expansion variables for clearing and saving/restoring
206when verifying one address while routing/verifying another. We have to have
207the size explicit, because it is referenced from more than one module. */
208
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209const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
210 CUSS &deliver_address_data,
211 CUSS &deliver_domain,
212 CUSS &deliver_domain_data,
213 CUSS &deliver_domain_orig,
214 CUSS &deliver_domain_parent,
215 CUSS &deliver_localpart,
216 CUSS &deliver_localpart_data,
217 CUSS &deliver_localpart_orig,
218 CUSS &deliver_localpart_parent,
219 CUSS &deliver_localpart_prefix,
220 CUSS &deliver_localpart_suffix,
221 CUSS (uschar **)(&deliver_recipients),
222 CUSS &deliver_host,
223 CUSS &deliver_home,
224 CUSS &address_file,
225 CUSS &address_pipe,
226 CUSS &self_hostname,
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227 NULL };
228
229int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
230
231/* General global variables */
232
71fafd95 233header_line *acl_added_headers = NULL;
059ec3d9 234tree_node *acl_anchor = NULL;
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235uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
236 NULL, NULL, NULL, NULL};
237int acl_narg = 0;
8f128379 238
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239int acl_level = 0;
240
059ec3d9 241uschar *acl_not_smtp = NULL;
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242#ifdef WITH_CONTENT_SCAN
243uschar *acl_not_smtp_mime = NULL;
244#endif
45b91596 245uschar *acl_not_smtp_start = NULL;
e7568d51 246uschar *acl_removed_headers = NULL;
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247uschar *acl_smtp_auth = NULL;
248uschar *acl_smtp_connect = NULL;
249uschar *acl_smtp_data = NULL;
8ccd00b1 250#ifndef DISABLE_PRDR
ad07e9ad 251uschar *acl_smtp_data_prdr = US"accept";
fd98a5c6 252#endif
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253#ifndef DISABLE_DKIM
254uschar *acl_smtp_dkim = NULL;
255#endif
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256uschar *acl_smtp_etrn = NULL;
257uschar *acl_smtp_expn = NULL;
258uschar *acl_smtp_helo = NULL;
259uschar *acl_smtp_mail = NULL;
260uschar *acl_smtp_mailauth = NULL;
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261#ifdef WITH_CONTENT_SCAN
262uschar *acl_smtp_mime = NULL;
263#endif
8f128379 264uschar *acl_smtp_notquit = NULL;
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265uschar *acl_smtp_predata = NULL;
266uschar *acl_smtp_quit = NULL;
267uschar *acl_smtp_rcpt = NULL;
268uschar *acl_smtp_starttls = NULL;
269uschar *acl_smtp_vrfy = NULL;
8f128379 270
059ec3d9 271BOOL acl_temp_details = FALSE;
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272tree_node *acl_var_c = NULL;
273tree_node *acl_var_m = NULL;
059ec3d9 274uschar *acl_verify_message = NULL;
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275string_item *acl_warn_logged = NULL;
276
277/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
278error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
279
280uschar *acl_wherenames[] = { US"RCPT",
281 US"MAIL",
282 US"PREDATA",
8523533c 283 US"MIME",
80a47a2c 284 US"DKIM",
059ec3d9 285 US"DATA",
8ccd00b1 286#ifndef DISABLE_PRDR
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287 US"PRDR",
288#endif
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289 US"non-SMTP",
290 US"AUTH",
291 US"connection",
292 US"ETRN",
293 US"EXPN",
294 US"EHLO or HELO",
295 US"MAILAUTH",
45b91596 296 US"non-SMTP-start",
8f128379 297 US"NOTQUIT",
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298 US"QUIT",
299 US"STARTTLS",
723c72e6 300 US"VRFY",
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301 US"delivery",
302 US"unknown"
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303 };
304
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305uschar *acl_wherecodes[] = { US"550", /* RCPT */
306 US"550", /* MAIL */
307 US"550", /* PREDATA */
308 US"550", /* MIME */
80a47a2c 309 US"550", /* DKIM */
a5bd321b 310 US"550", /* DATA */
8ccd00b1 311#ifndef DISABLE_PRDR
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312 US"550", /* RCPT PRDR */
313#endif
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314 US"0", /* not SMTP; not relevant */
315 US"503", /* AUTH */
316 US"550", /* connect */
317 US"458", /* ETRN */
318 US"550", /* EXPN */
319 US"550", /* HELO/EHLO */
320 US"0", /* MAILAUTH; not relevant */
321 US"0", /* not SMTP; not relevant */
8f128379 322 US"0", /* NOTQUIT; not relevant */
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323 US"0", /* QUIT; not relevant */
324 US"550", /* STARTTLS */
723c72e6 325 US"252", /* VRFY */
faa05a93 326 US"0", /* delivery; not relevant */
723c72e6 327 US"0" /* unknown; not relevant */
059ec3d9 328 };
8e669ac1 329
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330BOOL active_local_from_check = FALSE;
331BOOL active_local_sender_retain = FALSE;
9cbad13b 332BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
bc3c7bb7 333uschar *add_environment = NULL;
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334address_item *addr_duplicate = NULL;
335
336address_item address_defaults = {
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337 .next = NULL,
338 .parent = NULL,
339 .first = NULL,
340 .dupof = NULL,
341 .start_router = NULL,
342 .router = NULL,
343 .transport = NULL,
344 .host_list = NULL,
345 .host_used = NULL,
346 .fallback_hosts = NULL,
347 .reply = NULL,
348 .retries = NULL,
349 .address = NULL,
350 .unique = NULL,
351 .cc_local_part = NULL,
352 .lc_local_part = NULL,
353 .local_part = NULL,
354 .prefix = NULL,
355 .suffix = NULL,
356 .domain = NULL,
357 .address_retry_key = NULL,
358 .domain_retry_key = NULL,
359 .current_dir = NULL,
360 .home_dir = NULL,
361 .message = NULL,
362 .user_message = NULL,
363 .onetime_parent = NULL,
364 .pipe_expandn = NULL,
365 .return_filename = NULL,
366 .self_hostname = NULL,
367 .shadow_message = NULL,
895fbaf2 368#ifdef SUPPORT_TLS
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369 .cipher = NULL,
370 .ourcert = NULL,
371 .peercert = NULL,
372 .peerdn = NULL,
373 .ocsp = OCSP_NOT_REQ,
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374#endif
375#ifdef EXPERIMENTAL_DSN_INFO
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376 .smtp_greeting = NULL,
377 .helo_response = NULL,
895fbaf2 378#endif
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379 .authenticator = NULL,
380 .auth_id = NULL,
381 .auth_sndr = NULL,
382 .dsn_orcpt = NULL,
383 .dsn_flags = 0,
384 .dsn_aware = 0,
385 .uid = (uid_t)(-1),
386 .gid = (gid_t)(-1),
7eb0e5d2 387 .flags = { 0 },
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388 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
389 .localpart_cache = { 0 }, /* localpart_cache - ditto */
390 .mode = -1,
391 .more_errno = 0,
392 .delivery_usec = 0,
393 .basic_errno = ERRNO_UNKNOWNERROR,
394 .child_count = 0,
395 .return_file = -1,
396 .special_action = SPECIAL_NONE,
397 .transport_return = DEFER,
398 .prop = { /* fields that are propagated to children */
399 .address_data = NULL,
400 .domain_data = NULL,
401 .localpart_data = NULL,
402 .errors_address = NULL,
403 .extra_headers = NULL,
404 .remove_headers = NULL,
384152a6 405#ifdef EXPERIMENTAL_SRS
f2ed27cf 406 .srs_sender = NULL,
384152a6 407#endif
a5853d7c 408 .ignore_error = FALSE,
8c5d388a 409#ifdef SUPPORT_I18N
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410 .utf8_msg = FALSE,
411 .utf8_downcvt = FALSE,
412 .utf8_downcvt_maybe = FALSE
7ade712c 413#endif
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414 }
415};
416
417uschar *address_file = NULL;
418uschar *address_pipe = NULL;
419BOOL address_test_mode = FALSE;
420tree_node *addresslist_anchor = NULL;
421int addresslist_count = 0;
422gid_t *admin_groups = NULL;
423BOOL admin_user = FALSE;
c46782ef 424BOOL allow_auth_unadvertised= FALSE;
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425BOOL allow_domain_literals = FALSE;
426BOOL allow_mx_to_ip = FALSE;
427BOOL allow_unqualified_recipient = TRUE; /* For local messages */
428BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
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429BOOL allow_utf8_domains = FALSE;
430
431#ifdef EXPERIMENTAL_ARC
432struct arc_set *arc_received = NULL;
433int arc_received_instance = 0;
434int arc_oldest_pass = 0;
435const uschar *arc_state = NULL;
93c931f8 436const uschar *arc_state_reason = NULL;
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437#endif
438
2d07a215 439uschar *authenticated_fail_id = NULL;
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440uschar *authenticated_id = NULL;
441uschar *authenticated_sender = NULL;
442BOOL authentication_failed = FALSE;
40394cc1 443BOOL authentication_local = FALSE;
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444auth_instance *auths = NULL;
445uschar *auth_advertise_hosts = US"*";
446auth_instance auth_defaults = {
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447 .next = NULL,
448 .name = NULL,
449 .info = NULL,
450 .options_block = NULL,
451 .driver_name = NULL,
452 .advertise_condition = NULL,
453 .client_condition = NULL,
454 .public_name = NULL,
455 .set_id = NULL,
456 .set_client_id = NULL,
457 .mail_auth_condition = NULL,
458 .server_debug_string = NULL,
459 .server_condition = NULL,
460 .client = FALSE,
461 .server = FALSE,
462 .advertised = FALSE
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463};
464
465uschar *auth_defer_msg = US"reason not recorded";
466uschar *auth_defer_user_msg = US"";
f78eb7c6 467uschar *auth_vars[AUTH_VARS];
059ec3d9 468int auto_thaw = 0;
8523533c 469#ifdef WITH_CONTENT_SCAN
9e949f00 470BOOL av_failed = FALSE;
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471uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
472#endif
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473
474BOOL background_daemon = TRUE;
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475
476#if BASE_62 == 62
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477uschar *base62_chars=
478 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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479#else
480uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
481#endif
482
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483uschar *bi_command = NULL;
484uschar *big_buffer = NULL;
485int big_buffer_size = BIG_BUFFER_SIZE;
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486#ifdef EXPERIMENTAL_BRIGHTMAIL
487uschar *bmi_alt_location = NULL;
488uschar *bmi_base64_tracker_verdict = NULL;
489uschar *bmi_base64_verdict = NULL;
490uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
491int bmi_deliver = 1;
492int bmi_run = 0;
493uschar *bmi_verdicts = NULL;
494#endif
32b8ce41 495int bsmtp_transaction_linecount = 0;
939c3e34 496int body_8bitmime = 0;
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497int body_linecount = 0;
498int body_zerocount = 0;
499uschar *bounce_message_file = NULL;
500uschar *bounce_message_text = NULL;
501uschar *bounce_recipient = NULL;
502BOOL bounce_return_body = TRUE;
62b7cd08 503int bounce_return_linesize_limit = 998;
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504BOOL bounce_return_message = TRUE;
505int bounce_return_size_limit = 100*1024;
506uschar *bounce_sender_authentication = NULL;
059ec3d9 507
055e2cb4 508uschar *callout_address = NULL;
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509int callout_cache_domain_positive_expire = 7*24*60*60;
510int callout_cache_domain_negative_expire = 3*60*60;
511int callout_cache_positive_expire = 24*60*60;
512int callout_cache_negative_expire = 2*60*60;
513uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 514uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
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515int check_log_inodes = 100;
516int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
a0d6ba8a 517BOOL check_rfc2047_length = TRUE;
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518int check_spool_inodes = 100;
519int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
18481de3 520
aa368db3 521uschar *chunking_advertise_hosts = US"*";
18481de3 522unsigned chunking_datasize = 0;
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523unsigned chunking_data_left = 0;
524BOOL chunking_offered = FALSE;
18481de3 525chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
f98442df 526const pcre *regex_CHUNKING = NULL;
18481de3 527
aa368db3
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528uschar *client_authenticator = NULL;
529uschar *client_authenticated_id = NULL;
530uschar *client_authenticated_sender = NULL;
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531int clmacro_count = 0;
532uschar *clmacros[MAX_CLMACROS];
f33875c3 533BOOL commandline_checks_require_admin = FALSE;
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534BOOL config_changed = FALSE;
535FILE *config_file = NULL;
18d6b513 536const uschar *config_filename = NULL;
059ec3d9 537int config_lineno = 0;
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538#ifdef CONFIGURE_GROUP
539gid_t config_gid = CONFIGURE_GROUP;
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540#else
541gid_t config_gid = 0;
35edf2ff 542#endif
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543uschar *config_main_filelist = US CONFIGURE_FILE
544 "\0<-----------Space to patch configure_filename->";
545uschar *config_main_filename = NULL;
98b8312f 546uschar *config_main_directory = NULL;
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547
548#ifdef CONFIGURE_OWNER
549uid_t config_uid = CONFIGURE_OWNER;
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HSHR
550#else
551uid_t config_uid = 0;
059ec3d9
PH
552#endif
553
554int connection_max_messages= -1;
5013d912 555uschar *continue_proxy_cipher = NULL;
059ec3d9
PH
556uschar *continue_hostname = NULL;
557uschar *continue_host_address = NULL;
558BOOL continue_more = FALSE;
559int continue_sequence = 1;
560uschar *continue_transport = NULL;
561
e5a9dba6 562uschar *csa_status = NULL;
5032d1cf 563cut_t cutthrough = {
f2ed27cf
JH
564 .callout_hold_only = FALSE, /* verify-only: normal delivery */
565 .delivery = FALSE, /* when to attempt */
566 .defer_pass = FALSE, /* on defer: spool locally */
567 .is_tls = FALSE, /* not a TLS conn yet */
74f1a423 568 .cctx = {.sock = -1}, /* open connection */
f2ed27cf 569 .nrcpt = 0, /* number of addresses */
5032d1cf 570};
e5a9dba6 571
059ec3d9
PH
572BOOL daemon_listen = FALSE;
573uschar *daemon_smtp_port = US"smtp";
4aee0225
PH
574int daemon_startup_retries = 9;
575int daemon_startup_sleep = 30;
6a8f9482
TK
576
577#ifdef EXPERIMENTAL_DCC
578BOOL dcc_direct_add_header = FALSE;
579uschar *dcc_header = NULL;
580uschar *dcc_result = NULL;
581uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
582uschar *dccifd_options = US"header";
583#endif
584
3d235903 585BOOL debug_daemon = FALSE;
059ec3d9
PH
586int debug_fd = -1;
587FILE *debug_file = NULL;
6c6d6e48
TF
588int debug_notall[] = {
589 Di_memory,
590 -1
059ec3d9 591};
6c6d6e48
TF
592bit_table debug_options[] = { /* must be in alphabetical order */
593 BIT_TABLE(D, acl),
594 BIT_TABLE(D, all),
595 BIT_TABLE(D, auth),
596 BIT_TABLE(D, deliver),
597 BIT_TABLE(D, dns),
598 BIT_TABLE(D, dnsbl),
599 BIT_TABLE(D, exec),
600 BIT_TABLE(D, expand),
601 BIT_TABLE(D, filter),
602 BIT_TABLE(D, hints_lookup),
603 BIT_TABLE(D, host_lookup),
604 BIT_TABLE(D, ident),
605 BIT_TABLE(D, interface),
606 BIT_TABLE(D, lists),
607 BIT_TABLE(D, load),
608 BIT_TABLE(D, local_scan),
609 BIT_TABLE(D, lookup),
610 BIT_TABLE(D, memory),
611 BIT_TABLE(D, pid),
612 BIT_TABLE(D, process_info),
613 BIT_TABLE(D, queue_run),
614 BIT_TABLE(D, receive),
615 BIT_TABLE(D, resolver),
616 BIT_TABLE(D, retry),
617 BIT_TABLE(D, rewrite),
618 BIT_TABLE(D, route),
619 BIT_TABLE(D, timestamp),
620 BIT_TABLE(D, tls),
621 BIT_TABLE(D, transport),
622 BIT_TABLE(D, uid),
623 BIT_TABLE(D, verify),
624};
625int debug_options_count = nelem(debug_options);
626
059ec3d9 627unsigned int debug_selector = 0;
64073d9c 628BOOL debug_store = FALSE;
059ec3d9 629int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH
630uschar *delay_warning_condition=
631 US"${if or {"
e85a7ad5 632 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH
633 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
634 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
635 "} {no}{yes}}";
059ec3d9
PH
636BOOL delivery_date_remove = TRUE;
637uschar *deliver_address_data = NULL;
638int deliver_datafile = -1;
55414b25 639const uschar *deliver_domain = NULL;
059ec3d9 640uschar *deliver_domain_data = NULL;
55414b25
JH
641const uschar *deliver_domain_orig = NULL;
642const uschar *deliver_domain_parent = NULL;
059ec3d9
PH
643BOOL deliver_drop_privilege = FALSE;
644BOOL deliver_firsttime = FALSE;
645BOOL deliver_force = FALSE;
646BOOL deliver_freeze = FALSE;
19050083 647time_t deliver_frozen_at = 0;
059ec3d9 648uschar *deliver_home = NULL;
55414b25
JH
649const uschar *deliver_host = NULL;
650const uschar *deliver_host_address = NULL;
a7538db1 651int deliver_host_port = 0;
059ec3d9
PH
652uschar *deliver_in_buffer = NULL;
653ino_t deliver_inode = 0;
654uschar *deliver_localpart = NULL;
655uschar *deliver_localpart_data = NULL;
656uschar *deliver_localpart_orig = NULL;
657uschar *deliver_localpart_parent = NULL;
658uschar *deliver_localpart_prefix = NULL;
659uschar *deliver_localpart_suffix = NULL;
660BOOL deliver_force_thaw = FALSE;
661BOOL deliver_manual_thaw = FALSE;
662uschar *deliver_out_buffer = NULL;
663int deliver_queue_load_max = -1;
664address_item *deliver_recipients = NULL;
665uschar *deliver_selectstring = NULL;
666BOOL deliver_selectstring_regex = FALSE;
667uschar *deliver_selectstring_sender = NULL;
668BOOL deliver_selectstring_sender_regex = FALSE;
4c590bd1 669BOOL disable_callout_flush = FALSE;
047bdd8c 670BOOL disable_delay_flush = FALSE;
54fc8428
PH
671#ifdef ENABLE_DISABLE_FSYNC
672BOOL disable_fsync = FALSE;
673#endif
7e66e54d 674BOOL disable_ipv6 = FALSE;
059ec3d9
PH
675BOOL disable_logging = FALSE;
676
80a47a2c 677#ifndef DISABLE_DKIM
64b67b65 678unsigned dkim_collect_input = 0;
2df588c9 679uschar *dkim_cur_signer = NULL;
abe1010c
JH
680BOOL dkim_disable_verify = FALSE;
681int dkim_key_length = 0;
b4757e36 682void *dkim_signatures = NULL;
9e5d6b55 683uschar *dkim_signers = NULL;
f7572e5a
TK
684uschar *dkim_signing_domain = NULL;
685uschar *dkim_signing_selector = NULL;
2c47372f 686uschar *dkim_verify_overall = NULL;
9e5d6b55 687uschar *dkim_verify_signers = US"$dkim_signers";
a79d8834
JH
688uschar *dkim_verify_status = NULL;
689uschar *dkim_verify_reason = NULL;
f7572e5a 690#endif
4840604e 691#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 692BOOL dmarc_has_been_checked = FALSE;
8c8b8274 693uschar *dmarc_domain_policy = NULL;
4840604e
TL
694uschar *dmarc_forensic_sender = NULL;
695uschar *dmarc_history_file = NULL;
696uschar *dmarc_status = NULL;
697uschar *dmarc_status_text = NULL;
698uschar *dmarc_tld_file = NULL;
699uschar *dmarc_used_domain = NULL;
700BOOL dmarc_disable_verify = FALSE;
701BOOL dmarc_enable_forensic = FALSE;
702#endif
f7572e5a 703
059ec3d9 704uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH
705int dns_csa_search_limit = 5;
706BOOL dns_csa_use_reverse = TRUE;
d8d9f930 707int dns_cname_loops = 1;
c0635b6d 708#ifdef SUPPORT_DANE
e682570f
TL
709int dns_dane_ok = -1;
710#endif
059ec3d9
PH
711uschar *dns_ipv4_lookup = NULL;
712int dns_retrans = 0;
713int dns_retry = 0;
0fbd9bff 714int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 715uschar *dns_trust_aa = NULL;
e97d1f08 716int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 717uschar *dnslist_domain = NULL;
93655c46 718uschar *dnslist_matched = NULL;
059ec3d9
PH
719uschar *dnslist_text = NULL;
720uschar *dnslist_value = NULL;
721tree_node *domainlist_anchor = NULL;
722int domainlist_count = 0;
723BOOL dont_deliver = FALSE;
724BOOL dot_ends = TRUE;
725BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 726uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH
727
728BOOL enable_dollar_recipients = FALSE;
729BOOL envelope_to_remove = TRUE;
730int errno_quota = ERRNO_QUOTA;
731uschar *errors_copy = NULL;
732int error_handling = ERRORS_SENDER;
733uschar *errors_reply_to = NULL;
734int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 735#ifndef DISABLE_EVENT
723fe533 736uschar *event_action = NULL; /* expansion for delivery events */
4c04137d 737uschar *event_data = NULL; /* auxiliary data variable for event */
723fe533 738int event_defer_errno = 0;
55414b25 739const uschar *event_name = NULL; /* event name variable */
723fe533
JH
740#endif
741
059ec3d9
PH
742
743gid_t exim_gid = EXIM_GID;
744BOOL exim_gid_set = TRUE; /* This gid is always set */
745uschar *exim_path = US BIN_DIRECTORY "/exim"
746 "\0<---------------Space to patch exim_path->";
747uid_t exim_uid = EXIM_UID;
748BOOL exim_uid_set = TRUE; /* This uid is always set */
e1d04f48 749int expand_level = 0; /* Nesting depth, indent for debug */
059ec3d9
PH
750int expand_forbid = 0;
751int expand_nlength[EXPAND_MAXN+1];
752int expand_nmax = -1;
753uschar *expand_nstring[EXPAND_MAXN+1];
754BOOL expand_string_forcedfail = FALSE;
755uschar *expand_string_message;
756BOOL extract_addresses_remove_arguments = TRUE;
757uschar *extra_local_interfaces = NULL;
758
29aba418 759int fake_response = OK;
0e22dfd1
PH
760uschar *fake_response_text = US"Your message has been rejected but is "
761 "being kept for evaluation.\nIf it was a "
762 "legitimate message, it may still be "
763 "delivered to the target recipient(s).";
059ec3d9
PH
764int filter_n[FILTER_VARIABLE_COUNT];
765BOOL filter_running = FALSE;
766int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH
767int filter_test = FTEST_NONE;
768uschar *filter_test_sfile = NULL;
769uschar *filter_test_ufile = NULL;
059ec3d9
PH
770uschar *filter_thisaddress = NULL;
771int finduser_retries = 0;
772uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
773uschar *freeze_tell = NULL;
6a3f1455 774uschar *freeze_tell_config = NULL;
059ec3d9
PH
775uschar *fudged_queue_times = US"";
776
777uschar *gecos_name = NULL;
778uschar *gecos_pattern = NULL;
779rewrite_rule *global_rewrite_rules = NULL;
780
9723f966
JH
781volatile sig_atomic_t had_command_timeout = 0;
782volatile sig_atomic_t had_command_sigterm = 0;
783volatile sig_atomic_t had_data_timeout = 0;
784volatile sig_atomic_t had_data_sigint = 0;
059ec3d9
PH
785uschar *headers_charset = US HEADERS_CHARSET;
786int header_insert_maxlen = 64 * 1024;
787header_line *header_last = NULL;
788header_line *header_list = NULL;
789int header_maxsize = HEADER_MAXSIZE;
790int header_line_maxsize = 0;
791
792header_name header_names[] = {
f2ed27cf
JH
793 /* name len allow_resent htype */
794 { US"bcc", 3, TRUE, htype_bcc },
795 { US"cc", 2, TRUE, htype_cc },
796 { US"date", 4, TRUE, htype_date },
797 { US"delivery-date", 13, FALSE, htype_delivery_date },
798 { US"envelope-to", 11, FALSE, htype_envelope_to },
799 { US"from", 4, TRUE, htype_from },
800 { US"message-id", 10, TRUE, htype_id },
801 { US"received", 8, FALSE, htype_received },
802 { US"reply-to", 8, FALSE, htype_reply_to },
803 { US"return-path", 11, FALSE, htype_return_path },
804 { US"sender", 6, TRUE, htype_sender },
805 { US"subject", 7, FALSE, htype_subject },
806 { US"to", 2, TRUE, htype_to }
059ec3d9
PH
807};
808
617d3932 809int header_names_size = nelem(header_names);
059ec3d9
PH
810
811BOOL header_rewritten = FALSE;
812uschar *helo_accept_junk_hosts = NULL;
813uschar *helo_allow_chars = US"";
814uschar *helo_lookup_domains = US"@ : @[]";
815uschar *helo_try_verify_hosts = NULL;
816BOOL helo_verified = FALSE;
d7b47fd0 817BOOL helo_verify_failed = FALSE;
059ec3d9 818uschar *helo_verify_hosts = NULL;
1ba28e2b 819const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH
820uschar *hold_domains = NULL;
821BOOL host_checking = FALSE;
822BOOL host_checking_callout = FALSE;
823uschar *host_data = NULL;
824BOOL host_find_failed_syntax= FALSE;
825uschar *host_lookup = NULL;
b08b24c8 826BOOL host_lookup_deferred = FALSE;
059ec3d9
PH
827BOOL host_lookup_failed = FALSE;
828uschar *host_lookup_order = US"bydns:byaddr";
829uschar *host_lookup_msg = US"";
830int host_number = 0;
831uschar *host_number_string = NULL;
832uschar *host_reject_connection = NULL;
833tree_node *hostlist_anchor = NULL;
834int hostlist_count = 0;
835uschar *hosts_treat_as_local = NULL;
836uschar *hosts_connection_nolog = NULL;
837
838int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
839BOOL ignore_fromline_local = FALSE;
840uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP
841BOOL inetd_wait_mode = FALSE;
842int inetd_wait_timeout = -1;
3615fa9a 843uschar *initial_cwd = NULL;
059ec3d9
PH
844uschar *interface_address = NULL;
845int interface_port = -1;
846BOOL is_inetd = FALSE;
0ce9abe6 847uschar *iterate_item = NULL;
059ec3d9
PH
848
849int journal_fd = -1;
850
bc3c7bb7
HSHR
851uschar *keep_environment = NULL;
852
059ec3d9
PH
853int keep_malformed = 4*24*60*60; /* 4 days */
854
855uschar *eldap_dn = NULL;
856int load_average = -2;
857BOOL local_error_message = FALSE;
858BOOL local_from_check = TRUE;
859uschar *local_from_prefix = NULL;
860uschar *local_from_suffix = NULL;
861
862#if HAVE_IPV6
863uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
864#else
865uschar *local_interfaces = US"0.0.0.0";
866#endif
867
9723f966 868#ifdef HAVE_LOCAL_SCAN
059ec3d9
PH
869uschar *local_scan_data = NULL;
870int local_scan_timeout = 5*60;
9723f966 871#endif
059ec3d9
PH
872BOOL local_sender_retain = FALSE;
873gid_t local_user_gid = (gid_t)(-1);
874uid_t local_user_uid = (uid_t)(-1);
875
876tree_node *localpartlist_anchor= NULL;
877int localpartlist_count = 0;
878uschar *log_buffer = NULL;
6c6d6e48
TF
879
880int log_default[] = { /* for initializing log_selector */
881 Li_acl_warn_skipped,
882 Li_connection_reject,
883 Li_delay_delivery,
2c47372f 884 Li_dkim,
6c6d6e48
TF
885 Li_dnslist_defer,
886 Li_etrn,
887 Li_host_lookup_failed,
888 Li_lost_incoming_connection,
ac881e27 889 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF
890 Li_queue_run,
891 Li_rejected_header,
892 Li_retry_defer,
893 Li_sender_verify_fail,
894 Li_size_reject,
895 Li_skip_delivery,
896 Li_smtp_confirmation,
897 Li_tls_certificate_verified,
898 Li_tls_cipher,
899 -1
900};
901
059ec3d9
PH
902uschar *log_file_path = US LOG_FILE_PATH
903 "\0<--------------Space to patch log_file_path->";
904
6c6d6e48
TF
905int log_notall[] = {
906 -1
907};
908bit_table log_options[] = { /* must be in alphabetical order */
909 BIT_TABLE(L, 8bitmime),
910 BIT_TABLE(L, acl_warn_skipped),
911 BIT_TABLE(L, address_rewrite),
912 BIT_TABLE(L, all),
913 BIT_TABLE(L, all_parents),
914 BIT_TABLE(L, arguments),
915 BIT_TABLE(L, connection_reject),
916 BIT_TABLE(L, delay_delivery),
917 BIT_TABLE(L, deliver_time),
918 BIT_TABLE(L, delivery_size),
2c47372f
JH
919#ifndef DISABLE_DKIM
920 BIT_TABLE(L, dkim),
921 BIT_TABLE(L, dkim_verbose),
922#endif
6c6d6e48 923 BIT_TABLE(L, dnslist_defer),
fc16abb4 924 BIT_TABLE(L, dnssec),
6c6d6e48
TF
925 BIT_TABLE(L, etrn),
926 BIT_TABLE(L, host_lookup_failed),
927 BIT_TABLE(L, ident_timeout),
928 BIT_TABLE(L, incoming_interface),
929 BIT_TABLE(L, incoming_port),
930 BIT_TABLE(L, lost_incoming_connection),
571b2715 931 BIT_TABLE(L, millisec),
ac881e27 932 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF
933 BIT_TABLE(L, outgoing_port),
934 BIT_TABLE(L, pid),
7c576fca 935 BIT_TABLE(L, pipelining),
2c47372f 936#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
6c6d6e48
TF
937 BIT_TABLE(L, proxy),
938#endif
939 BIT_TABLE(L, queue_run),
940 BIT_TABLE(L, queue_time),
941 BIT_TABLE(L, queue_time_overall),
306c6c77 942 BIT_TABLE(L, receive_time),
6c6d6e48
TF
943 BIT_TABLE(L, received_recipients),
944 BIT_TABLE(L, received_sender),
945 BIT_TABLE(L, rejected_header),
946 { US"rejected_headers", Li_rejected_header },
947 BIT_TABLE(L, retry_defer),
948 BIT_TABLE(L, return_path_on_delivery),
949 BIT_TABLE(L, sender_on_delivery),
950 BIT_TABLE(L, sender_verify_fail),
951 BIT_TABLE(L, size_reject),
952 BIT_TABLE(L, skip_delivery),
953 BIT_TABLE(L, smtp_confirmation),
954 BIT_TABLE(L, smtp_connection),
955 BIT_TABLE(L, smtp_incomplete_transaction),
956 BIT_TABLE(L, smtp_mailauth),
957 BIT_TABLE(L, smtp_no_mail),
958 BIT_TABLE(L, smtp_protocol_error),
959 BIT_TABLE(L, smtp_syntax_error),
960 BIT_TABLE(L, subject),
961 BIT_TABLE(L, tls_certificate_verified),
962 BIT_TABLE(L, tls_cipher),
963 BIT_TABLE(L, tls_peerdn),
964 BIT_TABLE(L, tls_sni),
965 BIT_TABLE(L, unknown_in_list),
059ec3d9 966};
6c6d6e48 967int log_options_count = nelem(log_options);
059ec3d9 968
6ea85e9a 969int log_reject_target = 0;
6c6d6e48 970unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH
971uschar *log_selector_string = NULL;
972FILE *log_stderr = NULL;
973BOOL log_testing_mode = FALSE;
974BOOL log_timezone = FALSE;
975uschar *login_sender_address = NULL;
4e0983dc 976uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH
977int lookup_open_max = 25;
978uschar *lookup_value = NULL;
979
85e03244 980macro_item *macros_user = NULL;
059ec3d9 981uschar *mailstore_basename = NULL;
8523533c
TK
982#ifdef WITH_CONTENT_SCAN
983uschar *malware_name = NULL; /* Virus Name */
984#endif
d677b2f2 985int max_received_linelength= 0;
059ec3d9
PH
986int max_username_length = 0;
987int message_age = 0;
988uschar *message_body = NULL;
989uschar *message_body_end = NULL;
ddea74fa 990BOOL message_body_newlines = FALSE;
059ec3d9
PH
991int message_body_size = 0;
992int message_body_visible = 500;
993int message_ended = END_NOTSTARTED;
994uschar *message_headers = NULL;
995uschar *message_id;
996uschar *message_id_domain = NULL;
997uschar *message_id_text = NULL;
998struct timeval message_id_tv = { 0, 0 };
999uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1000uschar *message_id_external;
1001int message_linecount = 0;
1002BOOL message_logs = TRUE;
1003int message_size = 0;
1004uschar *message_size_limit = US"50M";
8c5d388a 1005#ifdef SUPPORT_I18N
eb02f5df 1006BOOL message_smtputf8 = FALSE;
3c8b3577 1007int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 1008#endif
059ec3d9
PH
1009uschar message_subdir[2] = { 0, 0 };
1010uschar *message_reference = NULL;
8523533c
TK
1011
1012/* MIME ACL expandables */
1013#ifdef WITH_CONTENT_SCAN
f7b63901 1014int mime_anomaly_level = 0;
1ba28e2b 1015const uschar *mime_anomaly_text = NULL;
8523533c
TK
1016uschar *mime_boundary = NULL;
1017uschar *mime_charset = NULL;
1018uschar *mime_content_description = NULL;
1019uschar *mime_content_disposition = NULL;
1020uschar *mime_content_id = NULL;
1021unsigned int mime_content_size = 0;
1022uschar *mime_content_transfer_encoding = NULL;
1023uschar *mime_content_type = NULL;
1024uschar *mime_decoded_filename = NULL;
1025uschar *mime_filename = NULL;
1026int mime_is_multipart = 0;
1027int mime_is_coverletter = 0;
1028int mime_is_rfc822 = 0;
1029int mime_part_count = -1;
1030#endif
1031
059ec3d9
PH
1032BOOL mua_wrapper = FALSE;
1033
1034uid_t *never_users = NULL;
8523533c
TK
1035#ifdef WITH_CONTENT_SCAN
1036BOOL no_mbox_unspool = FALSE;
1037#endif
059ec3d9
PH
1038BOOL no_multiline_responses = FALSE;
1039
fb05276a
JH
1040const int on = 1; /* for setsockopt */
1041const int off = 0;
1042
059ec3d9
PH
1043uid_t original_euid;
1044gid_t originator_gid;
1045uschar *originator_login = NULL;
1046uschar *originator_name = NULL;
1047uid_t originator_uid;
1048uschar *override_local_interfaces = NULL;
1049uschar *override_pid_file_path = NULL;
1050
1051BOOL parse_allow_group = FALSE;
1052BOOL parse_found_group = FALSE;
1053uschar *percent_hack_domains = NULL;
1054uschar *pid_file_path = US PID_FILE_PATH
1055 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 1056BOOL pipelining_enable = TRUE;
059ec3d9
PH
1057uschar *pipelining_advertise_hosts = US"*";
1058BOOL preserve_message_logs = FALSE;
1059uschar *primary_hostname = NULL;
1060BOOL print_topbitchars = FALSE;
1061uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1062int process_info_len = 0;
059ec3d9
PH
1063uschar *process_log_path = NULL;
1064BOOL prod_requires_admin = TRUE;
a3c86431 1065
e6d2a989 1066#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 1067uschar *hosts_proxy = US"";
e6d2a989
JH
1068uschar *proxy_external_address = US"";
1069int proxy_external_port = 0;
1070uschar *proxy_local_address = US"";
1071int proxy_local_port = 0;
a3c86431
TL
1072BOOL proxy_session = FALSE;
1073BOOL proxy_session_failed = FALSE;
1074#endif
1075
fffda43a
TK
1076uschar *prvscheck_address = NULL;
1077uschar *prvscheck_keynum = NULL;
1078uschar *prvscheck_result = NULL;
1079
059ec3d9 1080
55414b25 1081const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH
1082uschar *qualify_domain_sender = NULL;
1083BOOL queue_2stage = FALSE;
1084uschar *queue_domains = NULL;
1085int queue_interval = -1;
1086BOOL queue_list_requires_admin = TRUE;
a2da3176 1087uschar *queue_name = US"";
059ec3d9
PH
1088BOOL queue_only = FALSE;
1089uschar *queue_only_file = NULL;
1090int queue_only_load = -1;
8669f003 1091BOOL queue_only_load_latch = TRUE;
059ec3d9
PH
1092BOOL queue_only_override = TRUE;
1093BOOL queue_only_policy = FALSE;
1094BOOL queue_run_first_delivery = FALSE;
1095BOOL queue_run_force = FALSE;
1096BOOL queue_run_in_order = FALSE;
1097BOOL queue_run_local = FALSE;
0cd5fd23 1098uschar *queue_run_max = US"5";
059ec3d9
PH
1099pid_t queue_run_pid = (pid_t)0;
1100int queue_run_pipe = -1;
1101BOOL queue_running = FALSE;
1102BOOL queue_smtp = FALSE;
1103uschar *queue_smtp_domains = NULL;
1104
1105unsigned int random_seed = 0;
fe0dab11 1106tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF
1107tree_node *ratelimiters_conn = NULL;
1108tree_node *ratelimiters_mail = NULL;
059ec3d9
PH
1109uschar *raw_active_hostname = NULL;
1110uschar *raw_sender = NULL;
1111uschar **raw_recipients = NULL;
1112int raw_recipients_count = 0;
1113
1114int rcpt_count = 0;
1115int rcpt_fail_count = 0;
1116int rcpt_defer_count = 0;
1117gid_t real_gid;
1118uid_t real_uid;
1119BOOL really_exim = TRUE;
1120BOOL receive_call_bombout = FALSE;
1121int receive_linecount = 0;
1122int receive_messagecount = 0;
1123int receive_timeout = 0;
1124int received_count = 0;
1125uschar *received_for = NULL;
1126
1127/* This is the default text for Received headers generated by Exim. The
1128date will be automatically added on the end. */
1129
1130uschar *received_header_text = US
1131 "Received: "
1132 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1133 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH
1134 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1135 "by $primary_hostname "
1136 "${if def:received_protocol {with $received_protocol}} "
1137 #ifdef SUPPORT_TLS
1138 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1139 #endif
1140 "(Exim $version_number)\n\t"
3e46c1aa 1141 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1142 "id $message_exim_id"
059ec3d9
PH
1143 "${if def:received_for {\n\tfor $received_for}}"
1144 "\0<---------------Space to patch received_header_text->";
1145
1146int received_headers_max = 30;
1147uschar *received_protocol = NULL;
32dfdf8b 1148struct timeval received_time = { 0, 0 };
306c6c77 1149struct timeval received_time_taken = { 0, 0 };
059ec3d9
PH
1150uschar *recipient_data = NULL;
1151uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1152uschar *recipient_verify_failure = NULL;
059ec3d9
PH
1153int recipients_count = 0;
1154BOOL recipients_discarded = FALSE;
1155recipient_item *recipients_list = NULL;
1156int recipients_list_max = 0;
1157int recipients_max = 0;
1158BOOL recipients_max_reject = FALSE;
1159const pcre *regex_AUTH = NULL;
1160const pcre *regex_check_dns_names = NULL;
1161const pcre *regex_From = NULL;
f1513293 1162const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH
1163const pcre *regex_PIPELINING = NULL;
1164const pcre *regex_SIZE = NULL;
1165const pcre *regex_ismsgid = NULL;
f38917cc
JH
1166const pcre *regex_smtp_code = NULL;
1167uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP
1168#ifdef WHITELIST_D_MACROS
1169const pcre *regex_whitelisted_macro = NULL;
1170#endif
8523533c
TK
1171#ifdef WITH_CONTENT_SCAN
1172uschar *regex_match_string = NULL;
1173#endif
059ec3d9
PH
1174int remote_delivery_count = 0;
1175int remote_max_parallel = 2;
1176uschar *remote_sort_domains = NULL;
1177int retry_data_expire = 7*24*60*60;
1178int retry_interval_max = 24*60*60;
1179int retry_maximum_timeout = 0; /* set from retry config */
1180retry_config *retries = NULL;
1181uschar *return_path = NULL;
1182BOOL return_path_remove = TRUE;
1183int rewrite_existflags = 0;
f926e272
JH
1184uschar *rfc1413_hosts = US"@[]";
1185int rfc1413_query_timeout = 0;
059ec3d9 1186/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1187uid_t root_gid = ROOT_GID;
059ec3d9
PH
1188uid_t root_uid = ROOT_UID;
1189
1190router_instance *routers = NULL;
1191router_instance router_defaults = {
f2ed27cf
JH
1192 .next = NULL,
1193 .name = NULL,
1194 .info = NULL,
1195 .options_block = NULL,
1196 .driver_name = NULL,
059ec3d9 1197
f2ed27cf 1198 .address_data = NULL,
8523533c 1199#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf 1200 .bmi_rule = NULL,
8e669ac1 1201#endif
f2ed27cf
JH
1202 .cannot_route_message = NULL,
1203 .condition = NULL,
1204 .current_directory = NULL,
1205 .debug_string = NULL,
1206 .domains = NULL,
1207 .errors_to = NULL,
1208 .expand_gid = NULL,
1209 .expand_uid = NULL,
1210 .expand_more = NULL,
1211 .expand_unseen = NULL,
1212 .extra_headers = NULL,
1213 .fallback_hosts = NULL,
1214 .home_directory = NULL,
1215 .ignore_target_hosts = NULL,
1216 .local_parts = NULL,
1217 .pass_router_name = NULL,
1218 .prefix = NULL,
1219 .redirect_router_name = NULL,
1220 .remove_headers = NULL,
1221 .require_files = NULL,
1222 .router_home_directory = NULL,
1223 .self = US"freeze",
1224 .senders = NULL,
1225 .suffix = NULL,
1226 .translate_ip_address = NULL,
1227 .transport_name = NULL,
1228
1229 .address_test = TRUE,
8523533c 1230#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf
JH
1231 .bmi_deliver_alternate = FALSE,
1232 .bmi_deliver_default = FALSE,
1233 .bmi_dont_deliver = FALSE,
8523533c 1234#endif
f2ed27cf
JH
1235 .expn = TRUE,
1236 .caseful_local_part = FALSE,
1237 .check_local_user = FALSE,
1238 .disable_logging = FALSE,
1239 .fail_verify_recipient = FALSE,
1240 .fail_verify_sender = FALSE,
1241 .gid_set = FALSE,
1242 .initgroups = FALSE,
1243 .log_as_local = TRUE_UNSET,
1244 .more = TRUE,
1245 .pass_on_timeout = FALSE,
1246 .prefix_optional = FALSE,
1247 .repeat_use = TRUE,
1248 .retry_use_local_part = TRUE_UNSET,
1249 .same_domain_copy_routing = FALSE,
1250 .self_rewrite = FALSE,
1251 .suffix_optional = FALSE,
1252 .verify_only = FALSE,
1253 .verify_recipient = TRUE,
1254 .verify_sender = TRUE,
1255 .uid_set = FALSE,
1256 .unseen = FALSE,
1257 .dsn_lasthop = FALSE,
1258
1259 .self_code = self_freeze,
1260 .uid = (uid_t)(-1),
1261 .gid = (gid_t)(-1),
1262
1263 .fallback_hostlist = NULL,
1264 .transport = NULL,
1265 .pass_router = NULL,
1266 .redirect_router = NULL,
1267
1268 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH
1269};
1270
181d9bf8
JH
1271uschar *router_name = NULL;
1272
059ec3d9
PH
1273ip_address_item *running_interfaces = NULL;
1274BOOL running_in_test_harness = FALSE;
1275
1276/* This is a weird one. The following string gets patched in the binary by the
1277script that sets up a copy of Exim for running in the test harness. It seems
1278that compilers are now clever, and share constant strings if they can.
1279Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1280make use of the end of this string in order to save space. So the patching then
8669f003 1281wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH
1282onto the end of the string. */
1283
1284uschar *running_status = US">>>running<<<" "\0EXTRA";
1285
1286int runrc = 0;
1287
1288uschar *search_error_message = NULL;
1289BOOL search_find_defer = FALSE;
1290uschar *self_hostname = NULL;
1291uschar *sender_address = NULL;
1292unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1293uschar *sender_address_data = NULL;
059ec3d9
PH
1294BOOL sender_address_forced = FALSE;
1295uschar *sender_address_unrewritten = NULL;
1296uschar *sender_data = NULL;
1297unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1298uschar *sender_fullhost = NULL;
1705dd20 1299BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH
1300uschar *sender_helo_name = NULL;
1301uschar **sender_host_aliases = &no_aliases;
1302uschar *sender_host_address = NULL;
1303uschar *sender_host_authenticated = NULL;
c44ff8be 1304uschar *sender_host_auth_pubname = NULL;
059ec3d9 1305unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1306BOOL sender_host_dnssec = FALSE;
059ec3d9
PH
1307uschar *sender_host_name = NULL;
1308int sender_host_port = 0;
1309BOOL sender_host_notsocket = FALSE;
1310BOOL sender_host_unknown = FALSE;
1311uschar *sender_ident = NULL;
1312BOOL sender_local = FALSE;
2fe1a124 1313BOOL sender_name_forced = FALSE;
870f6ba8
TF
1314uschar *sender_rate = NULL;
1315uschar *sender_rate_limit = NULL;
1316uschar *sender_rate_period = NULL;
059ec3d9
PH
1317uschar *sender_rcvhost = NULL;
1318BOOL sender_set_untrusted = FALSE;
1319uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1320uschar *sender_verify_failure = NULL;
059ec3d9
PH
1321address_item *sender_verified_list = NULL;
1322address_item *sender_verified_failed = NULL;
1323int sender_verified_rc = -1;
1324BOOL sender_verified_responded = FALSE;
41c7c167
PH
1325uschar *sending_ip_address = NULL;
1326int sending_port = -1;
cd59ab18 1327SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1328uschar **sighup_argv = NULL;
846430d9 1329int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH
1330int smtp_accept_count = 0;
1331BOOL smtp_accept_keepalive = TRUE;
1332int smtp_accept_max = 20;
1333int smtp_accept_max_nonmail= 10;
1334uschar *smtp_accept_max_nonmail_hosts = US"*";
1335int smtp_accept_max_per_connection = 1000;
1336uschar *smtp_accept_max_per_host = NULL;
1337int smtp_accept_queue = 0;
1338int smtp_accept_queue_per_connection = 10;
1339int smtp_accept_reserve = 0;
1340uschar *smtp_active_hostname = NULL;
1341BOOL smtp_authenticated = FALSE;
1f5b4c3d 1342uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH
1343 "Exim $version_number $tod_full"
1344 "\0<---------------Space to patch smtp_banner->";
1345BOOL smtp_batched_input = FALSE;
1346BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1347int smtp_ch_index = 0;
3ee512ff
PH
1348uschar *smtp_cmd_argument = NULL;
1349uschar *smtp_cmd_buffer = NULL;
0f1a8658 1350struct timeval smtp_connection_start = {0,0};
b4ed4da0 1351uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH
1352int smtp_connect_backlog = 20;
1353double smtp_delay_mail = 0.0;
1354double smtp_delay_rcpt = 0.0;
1355BOOL smtp_enforce_sync = TRUE;
1356FILE *smtp_in = NULL;
7c576fca 1357BOOL smtp_in_pipelining_advertised = FALSE;
3fc73bdc 1358BOOL smtp_in_pipelining_used = FALSE;
059ec3d9
PH
1359BOOL smtp_input = FALSE;
1360int smtp_load_reserve = -1;
1361int smtp_mailcmd_count = 0;
1362FILE *smtp_out = NULL;
1363uschar *smtp_etrn_command = NULL;
1364BOOL smtp_etrn_serialize = TRUE;
1365int smtp_max_synprot_errors= 3;
1366int smtp_max_unknown_commands = 3;
8f128379 1367uschar *smtp_notquit_reason = NULL;
059ec3d9
PH
1368uschar *smtp_ratelimit_hosts = NULL;
1369uschar *smtp_ratelimit_mail = NULL;
1370uschar *smtp_ratelimit_rcpt = NULL;
1371uschar *smtp_read_error = US"";
1372int smtp_receive_timeout = 5*60;
1ad6489e 1373uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH
1374uschar *smtp_reserve_hosts = NULL;
1375BOOL smtp_return_error_details = FALSE;
1376int smtp_rlm_base = 0;
1377double smtp_rlm_factor = 0.0;
1378int smtp_rlm_limit = 0;
1379int smtp_rlm_threshold = INT_MAX;
1380int smtp_rlr_base = 0;
1381double smtp_rlr_factor = 0.0;
1382int smtp_rlr_limit = 0;
1383int smtp_rlr_threshold = INT_MAX;
2d14f397
JH
1384unsigned smtp_peer_options = 0;
1385unsigned smtp_peer_options_wrap= 0;
8c5d388a 1386#ifdef SUPPORT_I18N
9d4319df 1387uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1388#endif
8523533c
TK
1389
1390#ifdef WITH_CONTENT_SCAN
1391uschar *spamd_address = US"127.0.0.1 783";
1392uschar *spam_bar = NULL;
1393uschar *spam_report = NULL;
c5f280e2 1394uschar *spam_action = NULL;
8523533c
TK
1395uschar *spam_score = NULL;
1396uschar *spam_score_int = NULL;
1397#endif
7952eef9 1398#ifdef SUPPORT_SPF
65a7d8c3 1399uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK
1400uschar *spf_header_comment = NULL;
1401uschar *spf_received = NULL;
1402uschar *spf_result = NULL;
87e9d061 1403BOOL spf_result_guessed = FALSE;
8523533c
TK
1404uschar *spf_smtp_comment = NULL;
1405#endif
1406
059ec3d9 1407BOOL split_spool_directory = FALSE;
1bd642c2 1408FILE *spool_data_file = NULL;
059ec3d9
PH
1409uschar *spool_directory = US SPOOL_DIRECTORY
1410 "\0<--------------Space to patch spool_directory->";
328c5688
JH
1411BOOL spool_file_wireformat = FALSE;
1412BOOL spool_wireformat = FALSE;
8523533c
TK
1413#ifdef EXPERIMENTAL_SRS
1414uschar *srs_config = NULL;
1415uschar *srs_db_address = NULL;
1416uschar *srs_db_key = NULL;
384152a6
TK
1417int srs_hashlength = 6;
1418int srs_hashmin = -1;
1419int srs_maxage = 31;
8523533c
TK
1420uschar *srs_orig_recipient = NULL;
1421uschar *srs_orig_sender = NULL;
1422uschar *srs_recipient = NULL;
384152a6 1423uschar *srs_secrets = NULL;
8523533c 1424uschar *srs_status = NULL;
384152a6
TK
1425BOOL srs_usehash = TRUE;
1426BOOL srs_usetimestamp = TRUE;
8e669ac1 1427#endif
38a0a95f 1428BOOL strict_acl_vars = FALSE;
059ec3d9 1429int string_datestamp_offset= -1;
f1e5fef5
PP
1430int string_datestamp_length= 0;
1431int string_datestamp_type = -1;
059ec3d9
PH
1432BOOL strip_excess_angle_brackets = FALSE;
1433BOOL strip_trailing_dot = FALSE;
1434uschar *submission_domain = NULL;
1435BOOL submission_mode = FALSE;
2fe1a124 1436uschar *submission_name = NULL;
8800895a 1437BOOL suppress_local_fixups = FALSE;
f4ee74ac 1438BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH
1439BOOL synchronous_delivery = FALSE;
1440BOOL syslog_duplication = TRUE;
1441int syslog_facility = LOG_MAIL;
2333e06f 1442BOOL syslog_pid = TRUE;
059ec3d9
PH
1443uschar *syslog_processname = US"exim";
1444BOOL syslog_timestamp = TRUE;
1445uschar *system_filter = NULL;
1446
1447uschar *system_filter_directory_transport = NULL;
1448uschar *system_filter_file_transport = NULL;
1449uschar *system_filter_pipe_transport = NULL;
1450uschar *system_filter_reply_transport = NULL;
1451
1452gid_t system_filter_gid = 0;
1453BOOL system_filter_gid_set = FALSE;
79d4bc3d 1454uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH
1455BOOL system_filter_uid_set = FALSE;
1456BOOL system_filtering = FALSE;
1457
6af7e591 1458BOOL tcp_fastopen_ok = FALSE;
0ab63f3d 1459blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
a2673768
JH
1460BOOL tcp_in_fastopen = FALSE;
1461BOOL tcp_in_fastopen_logged = FALSE;
059ec3d9 1462BOOL tcp_nodelay = TRUE;
1ccd5f67 1463int tcp_out_fastopen = 0;
a2673768 1464BOOL tcp_out_fastopen_logged= FALSE;
5dc43717
JJ
1465#ifdef USE_TCP_WRAPPERS
1466uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1467#endif
8669f003 1468int test_harness_load_avg = 0;
059ec3d9
PH
1469int thismessage_size_limit = 0;
1470int timeout_frozen_after = 0;
1471BOOL timestamps_utc = FALSE;
1472
1473transport_instance *transports = NULL;
1474
1475transport_instance transport_defaults = {
f2ed27cf
JH
1476 .next = NULL,
1477 .name = NULL,
1478 .info = NULL,
1479 .options_block = NULL,
1480 .driver_name = NULL,
1481 .setup = NULL,
1482 .batch_max = 1,
1483 .batch_id = NULL,
1484 .home_dir = NULL,
1485 .current_dir = NULL,
1486 .expand_multi_domain = NULL,
1487 .multi_domain = TRUE,
1488 .overrides_hosts = FALSE,
1489 .max_addresses = 100,
1490 .connection_max_messages = 500,
1491 .deliver_as_creator = FALSE,
1492 .disable_logging = FALSE,
1493 .initgroups = FALSE,
1494 .uid_set = FALSE,
1495 .gid_set = FALSE,
1496 .uid = (uid_t)(-1),
1497 .gid = (gid_t)(-1),
1498 .expand_uid = NULL,
1499 .expand_gid = NULL,
1500 .warn_message = NULL,
1501 .shadow = NULL,
1502 .shadow_condition = NULL,
1503 .filter_command = NULL,
1504 .add_headers = NULL,
1505 .remove_headers = NULL,
1506 .return_path = NULL,
1507 .debug_string = NULL,
1508 .max_parallel = NULL,
1509 .message_size_limit = NULL,
1510 .headers_rewrite = NULL,
1511 .rewrite_rules = NULL,
1512 .rewrite_existflags = 0,
1513 .filter_timeout = 300,
1514 .body_only = FALSE,
1515 .delivery_date_add = FALSE,
1516 .envelope_to_add = FALSE,
1517 .headers_only = FALSE,
1518 .rcpt_include_affixes = FALSE,
1519 .return_path_add = FALSE,
1520 .return_output = FALSE,
1521 .return_fail_output = FALSE,
1522 .log_output = FALSE,
1523 .log_fail_output = FALSE,
1524 .log_defer_output = FALSE,
1525 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1526 1 nor 0 so can detect unset */
0cbf2b82 1527#ifndef DISABLE_EVENT
f2ed27cf 1528 .event_action = NULL
533aaf91 1529#endif
059ec3d9
PH
1530};
1531
1532int transport_count;
181d9bf8 1533uschar *transport_name = NULL;
332f5cf3 1534int transport_newlines;
55414b25 1535const uschar **transport_filter_argv = NULL;
059ec3d9 1536int transport_filter_timeout;
2e2a30b4 1537BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH
1538int transport_write_timeout= 0;
1539
1540tree_node *tree_dns_fails = NULL;
1541tree_node *tree_duplicates = NULL;
1542tree_node *tree_nonrecipients = NULL;
1543tree_node *tree_unusable = NULL;
1544
1545BOOL trusted_caller = FALSE;
e2f5dc15 1546BOOL trusted_config = TRUE;
059ec3d9
PH
1547gid_t *trusted_groups = NULL;
1548uid_t *trusted_users = NULL;
1549uschar *timezone_string = US TIMEZONE_DEFAULT;
1550
1551uschar *unknown_login = NULL;
1552uschar *unknown_username = NULL;
1553uschar *untrusted_set_sender = NULL;
1554
1555/* A regex for matching a "From_" line in an incoming message, in the form
1556
1557 From ph10 Fri Jan 5 12:35 GMT 1996
1558
1559which the "mail" commands send to the MTA (undocumented, of course), or in
1560the form
1561
1562 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1563
1564which is apparently used by some UUCPs, despite it not being in RFC 976.
1565Because of variations in time formats, just match up to the minutes. That
1566should be sufficient. Examples have been seen of time fields like 12:1:03,
1567so just require one digit for hours and minutes. The weekday is also absent
1568in some forms. */
1569
1570uschar *uucp_from_pattern = US
1571 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1572 "(?:" /* Non-extracting bracket */
1573 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1574 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1575 ")" /* End alternation */
1576 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1577
1578uschar *uucp_from_sender = US"$1";
1579
aec45841 1580uschar *verify_mode = NULL;
f45100a3 1581uschar *version_copyright =
f9ba5e22 1582 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
c45e9ca1 1583 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
059ec3d9
PH
1584uschar *version_date = US"?";
1585uschar *version_cnumber = US"????";
1586uschar *version_string = US"?";
1587
aec45841 1588uschar *warn_message_file = NULL;
059ec3d9 1589int warning_count = 0;
aec45841
JH
1590uschar *warnmsg_delay = NULL;
1591uschar *warnmsg_recipients = NULL;
1592BOOL write_rejectlog = TRUE;
1593
059ec3d9
PH
1594
1595/* End of globals.c */