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[exim.git] / src / src / globals.c
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
bc338899 5/* Copyright (c) University of Cambridge 1995 - 2013 */
059ec3d9
PH		 6/* See the file NOTICE for conditions of use and distribution. */
7
8/* All the global variables are defined together in this one module, so
9that they are easy to find. */
10
11#include "exim.h"
12
13
059ec3d9
PH		 14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist optionlist_auths[] = {
6c512171
PH		 18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
6f123593
JH		 20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
059ec3d9
PH		 22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
16ff981e
PH		 28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
059ec3d9
PH		 30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
38int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
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;
52#endif
53
1a46a8c5
PH		 54#ifdef EXPAND_DLFUNC
55tree_node *dlobj_anchor = NULL;
56#endif
57
059ec3d9
PH		 58#ifdef LOOKUP_IBASE
59uschar *ibase_servers = NULL;
60#endif
61
62#ifdef LOOKUP_LDAP
bc19a55b
PP		 63uschar *eldap_ca_cert_dir = NULL;
64uschar *eldap_ca_cert_file = NULL;
65uschar *eldap_cert_file = NULL;
66uschar *eldap_cert_key = NULL;
67uschar *eldap_cipher_suite = NULL;
059ec3d9 68uschar *eldap_default_servers = NULL;
bc19a55b 69uschar *eldap_require_cert = NULL;
059ec3d9 70int eldap_version = -1;
bc19a55b 71BOOL eldap_start_tls = FALSE;
059ec3d9
PH		 72#endif
73
74#ifdef LOOKUP_MYSQL
75uschar *mysql_servers = NULL;
76#endif
77
78#ifdef LOOKUP_ORACLE
79uschar *oracle_servers = NULL;
80#endif
81
82#ifdef LOOKUP_PGSQL
83uschar *pgsql_servers = NULL;
84#endif
85
9bdd29ad
TL		 86#ifdef EXPERIMENTAL_REDIS
87uschar *redis_servers = NULL;
88#endif
89
31480e42
PH		 90#ifdef LOOKUP_SQLITE
91int sqlite_lock_timeout = 5;
92#endif
93
059ec3d9
PH		 94#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95BOOL move_frozen_messages = FALSE;
96#endif
97
98/* These variables are outside the #ifdef because it keeps the code less
99cluttered in several places (e.g. during logging) if we can always refer to
100them. Also, the tls_ variables are now always visible. */
101
817d9f57
JH		 102tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
106 NULL, /* tls_cipher */
107 FALSE,/* tls_on_connect */
108 NULL, /* tls_on_connect_ports */
109 NULL, /* tls_peerdn */
110 NULL /* tls_sni */
111};
112tls_support tls_out = {
113 -1, /* tls_active */
114 0, /* tls_bits */
115 FALSE,/* tls_certificate_verified */
116 NULL, /* tls_cipher */
117 FALSE,/* tls_on_connect */
118 NULL, /* tls_on_connect_ports */
119 NULL, /* tls_peerdn */
120 NULL /* tls_sni */
121};
122
059ec3d9
PH		 123
124#ifdef SUPPORT_TLS
e6060e2c 125BOOL gnutls_compat_mode = FALSE;
2519e60d 126BOOL gnutls_allow_auto_pkcs11 = FALSE;
83da1223
PH		 127uschar *gnutls_require_mac = NULL;
128uschar *gnutls_require_kx = NULL;
129uschar *gnutls_require_proto = NULL;
77bb000f 130uschar *openssl_options = NULL;
059ec3d9
PH		 131const pcre *regex_STARTTLS = NULL;
132uschar *tls_advertise_hosts = NULL; /* This is deliberate */
133uschar *tls_certificate = NULL;
134uschar *tls_crl = NULL;
3375e053
PP		 135/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
136that's the interop problem which has been observed: GnuTLS suggesting a higher
137bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
138int tls_dh_max_bits = 2236;
059ec3d9 139uschar *tls_dhparam = NULL;
3f7eeb86
PP		 140#if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
141uschar *tls_ocsp_file = NULL;
142#endif
059ec3d9
PH		 143BOOL tls_offered = FALSE;
144uschar *tls_privatekey = NULL;
145BOOL tls_remember_esmtp = FALSE;
146uschar *tls_require_ciphers = NULL;
147uschar *tls_try_verify_hosts = NULL;
148uschar *tls_verify_certificates= NULL;
149uschar *tls_verify_hosts = NULL;
150#endif
151
fd98a5c6
JH		 152#ifdef EXPERIMENTAL_PRDR
153/* Per Recipient Data Response variables */
154BOOL prdr_enable = FALSE;
155BOOL prdr_requested = FALSE;
156const pcre *regex_PRDR = NULL;
157#endif
059ec3d9
PH		 158
159/* Input-reading functions for messages, so we can use special ones for
160incoming TCP/IP. The defaults use stdin. We never need these for any
161stand-alone tests. */
162
163#ifndef STAND_ALONE
164int (*receive_getc)(void) = stdin_getc;
165int (*receive_ungetc)(int) = stdin_ungetc;
166int (*receive_feof)(void) = stdin_feof;
167int (*receive_ferror)(void) = stdin_ferror;
58eb016e 168BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
059ec3d9
PH		 169#endif
170
171
172/* List of per-address expansion variables for clearing and saving/restoring
173when verifying one address while routing/verifying another. We have to have
174the size explicit, because it is referenced from more than one module. */
175
176uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
177 &deliver_address_data,
178 &deliver_domain,
179 &deliver_domain_data,
180 &deliver_domain_orig,
181 &deliver_domain_parent,
182 &deliver_localpart,
183 &deliver_localpart_data,
184 &deliver_localpart_orig,
185 &deliver_localpart_parent,
186 &deliver_localpart_prefix,
187 &deliver_localpart_suffix,
188 (uschar **)(&deliver_recipients),
189 &deliver_host,
190 &deliver_home,
191 &address_file,
192 &address_pipe,
193 &self_hostname,
194 NULL };
195
196int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
197
198/* General global variables */
199
71fafd95 200header_line *acl_added_headers = NULL;
059ec3d9 201tree_node *acl_anchor = NULL;
525239c1
JH		 202uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
203 NULL, NULL, NULL, NULL};
204int acl_narg = 0;
8f128379 205
059ec3d9 206uschar *acl_not_smtp = NULL;
54cdb463
PH		 207#ifdef WITH_CONTENT_SCAN
208uschar *acl_not_smtp_mime = NULL;
209#endif
45b91596 210uschar *acl_not_smtp_start = NULL;
e7568d51 211uschar *acl_removed_headers = NULL;
059ec3d9
PH		 212uschar *acl_smtp_auth = NULL;
213uschar *acl_smtp_connect = NULL;
214uschar *acl_smtp_data = NULL;
fd98a5c6
JH		 215#ifdef EXPERIMENTAL_PRDR
216uschar *acl_smtp_data_prdr = NULL;
217#endif
80a47a2c
TK		 218#ifndef DISABLE_DKIM
219uschar *acl_smtp_dkim = NULL;
220#endif
059ec3d9
PH		 221uschar *acl_smtp_etrn = NULL;
222uschar *acl_smtp_expn = NULL;
223uschar *acl_smtp_helo = NULL;
224uschar *acl_smtp_mail = NULL;
225uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 226#ifdef WITH_CONTENT_SCAN
227uschar *acl_smtp_mime = NULL;
228#endif
8f128379 229uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 230uschar *acl_smtp_predata = NULL;
231uschar *acl_smtp_quit = NULL;
232uschar *acl_smtp_rcpt = NULL;
233uschar *acl_smtp_starttls = NULL;
234uschar *acl_smtp_vrfy = NULL;
8f128379 235
059ec3d9 236BOOL acl_temp_details = FALSE;
38a0a95f
PH		 237tree_node *acl_var_c = NULL;
238tree_node *acl_var_m = NULL;
059ec3d9 239uschar *acl_verify_message = NULL;
059ec3d9
PH		 240string_item *acl_warn_logged = NULL;
241
242/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
243error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
244
245uschar *acl_wherenames[] = { US"RCPT",
246 US"MAIL",
247 US"PREDATA",
8523533c 248 US"MIME",
80a47a2c 249 US"DKIM",
059ec3d9 250 US"DATA",
fd98a5c6
JH		 251#ifdef EXPERIMENTAL_PRDR
252 US"PRDR",
253#endif
059ec3d9
PH		 254 US"non-SMTP",
255 US"AUTH",
256 US"connection",
257 US"ETRN",
258 US"EXPN",
259 US"EHLO or HELO",
260 US"MAILAUTH",
45b91596 261 US"non-SMTP-start",
8f128379 262 US"NOTQUIT",
059ec3d9
PH		 263 US"QUIT",
264 US"STARTTLS",
723c72e6 265 US"VRFY",
faa05a93
JH		 266 US"delivery",
267 US"unknown"
059ec3d9
PH		 268 };
269
a5bd321b
PH		 270uschar *acl_wherecodes[] = { US"550", /* RCPT */
271 US"550", /* MAIL */
272 US"550", /* PREDATA */
273 US"550", /* MIME */
80a47a2c 274 US"550", /* DKIM */
a5bd321b 275 US"550", /* DATA */
fd98a5c6
JH		 276#ifdef EXPERIMENTAL_PRDR
277 US"550", /* RCPT PRDR */
278#endif
a5bd321b
PH		 279 US"0", /* not SMTP; not relevant */
280 US"503", /* AUTH */
281 US"550", /* connect */
282 US"458", /* ETRN */
283 US"550", /* EXPN */
284 US"550", /* HELO/EHLO */
285 US"0", /* MAILAUTH; not relevant */
286 US"0", /* not SMTP; not relevant */
8f128379 287 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 288 US"0", /* QUIT; not relevant */
289 US"550", /* STARTTLS */
723c72e6 290 US"252", /* VRFY */
faa05a93 291 US"0", /* delivery; not relevant */
723c72e6 292 US"0" /* unknown; not relevant */
059ec3d9 293 };
8e669ac1 294
69358f02
PH		 295BOOL active_local_from_check = FALSE;
296BOOL active_local_sender_retain = FALSE;
3c0a92dc 297int body_8bitmime = 0;
9cbad13b 298BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
059ec3d9
PH		 299address_item *addr_duplicate = NULL;
300
301address_item address_defaults = {
302 NULL, /* next */
303 NULL, /* parent */
304 NULL, /* first */
305 NULL, /* dupof */
306 NULL, /* start_router */
307 NULL, /* router */
308 NULL, /* transport */
309 NULL, /* host_list */
310 NULL, /* host_used */
311 NULL, /* fallback_hosts */
312 NULL, /* reply */
313 NULL, /* retries */
314 NULL, /* address */
315 NULL, /* unique */
316 NULL, /* cc_local_part */
317 NULL, /* lc_local_part */
318 NULL, /* local_part */
319 NULL, /* prefix */
320 NULL, /* suffix */
321 NULL, /* domain */
322 NULL, /* address_retry_key */
323 NULL, /* domain_retry_key */
324 NULL, /* current_dir */
325 NULL, /* home_dir */
326 NULL, /* message */
327 NULL, /* user_message */
328 NULL, /* onetime_parent */
329 NULL, /* pipe_expandn */
330 NULL, /* return_filename */
331 NULL, /* self_hostname */
332 NULL, /* shadow_message */
333 #ifdef SUPPORT_TLS
334 NULL, /* cipher */
335 NULL, /* peerdn */
336 #endif
018c60d7
JH		 337 NULL, /* authenticator */
338 NULL, /* auth_id */
339 NULL, /* auth_sndr */
059ec3d9
PH		 340 (uid_t)(-1), /* uid */
341 (gid_t)(-1), /* gid */
342 0, /* flags */
343 { 0 }, /* domain_cache - any larger array should be zeroed */
344 { 0 }, /* localpart_cache - ditto */
345 -1, /* mode */
346 0, /* more_errno */
347 ERRNO_UNKNOWNERROR, /* basic_errno */
348 0, /* child_count */
349 -1, /* return_file */
350 SPECIAL_NONE, /* special_action */
351 DEFER, /* transport_return */
352 { /* fields that are propagated to children */
353 NULL, /* address_data */
354 NULL, /* domain_data */
355 NULL, /* localpart_data */
356 NULL, /* errors_address */
357 NULL, /* extra_headers */
358 NULL, /* remove_headers */
384152a6
TK		 359#ifdef EXPERIMENTAL_SRS
360 NULL, /* srs_sender */
361#endif
059ec3d9
PH		 362 }
363};
364
365uschar *address_file = NULL;
366uschar *address_pipe = NULL;
367BOOL address_test_mode = FALSE;
368tree_node *addresslist_anchor = NULL;
369int addresslist_count = 0;
370gid_t *admin_groups = NULL;
371BOOL admin_user = FALSE;
c46782ef 372BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH		 373BOOL allow_domain_literals = FALSE;
374BOOL allow_mx_to_ip = FALSE;
375BOOL allow_unqualified_recipient = TRUE; /* For local messages */
376BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
377BOOL allow_utf8_domains = FALSE;
2d07a215 378uschar *authenticated_fail_id = NULL;
059ec3d9
PH		 379uschar *authenticated_id = NULL;
380uschar *authenticated_sender = NULL;
381BOOL authentication_failed = FALSE;
382auth_instance *auths = NULL;
383uschar *auth_advertise_hosts = US"*";
384auth_instance auth_defaults = {
385 NULL, /* chain pointer */
386 NULL, /* name */
387 NULL, /* info */
388 NULL, /* private options block pointer */
389 NULL, /* driver_name */
390 NULL, /* advertise_condition */
6c512171 391 NULL, /* client_condition */
059ec3d9
PH		 392 NULL, /* public_name */
393 NULL, /* set_id */
c8e2fc1e 394 NULL, /* set_client_id */
059ec3d9
PH		 395 NULL, /* server_mail_auth_condition */
396 NULL, /* server_debug_string */
16ff981e 397 NULL, /* server_condition */
059ec3d9
PH		 398 FALSE, /* client */
399 FALSE, /* server */
400 FALSE /* advertised */
401};
402
403uschar *auth_defer_msg = US"reason not recorded";
404uschar *auth_defer_user_msg = US"";
f78eb7c6 405uschar *auth_vars[AUTH_VARS];
059ec3d9 406int auto_thaw = 0;
8523533c 407#ifdef WITH_CONTENT_SCAN
9e949f00 408BOOL av_failed = FALSE;
8523533c
TK		 409uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
410#endif
059ec3d9
PH		 411
412BOOL background_daemon = TRUE;
9a799bc0
PH		 413
414#if BASE_62 == 62
059ec3d9
PH		 415uschar *base62_chars=
416 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 417#else
418uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
419#endif
420
059ec3d9
PH		 421uschar *bi_command = NULL;
422uschar *big_buffer = NULL;
423int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 424#ifdef EXPERIMENTAL_BRIGHTMAIL
425uschar *bmi_alt_location = NULL;
426uschar *bmi_base64_tracker_verdict = NULL;
427uschar *bmi_base64_verdict = NULL;
428uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
429int bmi_deliver = 1;
430int bmi_run = 0;
431uschar *bmi_verdicts = NULL;
432#endif
059ec3d9
PH		 433int body_linecount = 0;
434int body_zerocount = 0;
435uschar *bounce_message_file = NULL;
436uschar *bounce_message_text = NULL;
437uschar *bounce_recipient = NULL;
438BOOL bounce_return_body = TRUE;
439BOOL bounce_return_message = TRUE;
440int bounce_return_size_limit = 100*1024;
441uschar *bounce_sender_authentication = NULL;
442int bsmtp_transaction_linecount = 0;
443
444int callout_cache_domain_positive_expire = 7*24*60*60;
445int callout_cache_domain_negative_expire = 3*60*60;
446int callout_cache_positive_expire = 24*60*60;
447int callout_cache_negative_expire = 2*60*60;
448uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 449uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
059ec3d9
PH		 450int check_log_inodes = 0;
451int check_log_space = 0;
a0d6ba8a 452BOOL check_rfc2047_length = TRUE;
059ec3d9
PH		 453int check_spool_inodes = 0;
454int check_spool_space = 0;
6f123593
JH		 455uschar *client_authenticator = NULL;
456uschar *client_authenticated_id = NULL;
c8e2fc1e 457uschar *client_authenticated_sender = NULL;
059ec3d9
PH		 458int clmacro_count = 0;
459uschar *clmacros[MAX_CLMACROS];
460BOOL config_changed = FALSE;
461FILE *config_file = NULL;
462uschar *config_filename = NULL;
463int config_lineno = 0;
35edf2ff
PH		 464#ifdef CONFIGURE_GROUP
465gid_t config_gid = CONFIGURE_GROUP;
466#endif
059ec3d9
PH		 467uschar *config_main_filelist = US CONFIGURE_FILE
468 "\0<-----------Space to patch configure_filename->";
469uschar *config_main_filename = NULL;
470
471#ifdef CONFIGURE_OWNER
472uid_t config_uid = CONFIGURE_OWNER;
473#endif
474
475int connection_max_messages= -1;
476uschar *continue_hostname = NULL;
477uschar *continue_host_address = NULL;
478BOOL continue_more = FALSE;
479int continue_sequence = 1;
480uschar *continue_transport = NULL;
481
e5a9dba6 482uschar *csa_status = NULL;
e4bdf652
JH		 483BOOL cutthrough_delivery = FALSE;
484int cutthrough_fd = -1;
e5a9dba6 485
059ec3d9
PH		 486BOOL daemon_listen = FALSE;
487uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 488int daemon_startup_retries = 9;
489int daemon_startup_sleep = 30;
6a8f9482
TK		 490
491#ifdef EXPERIMENTAL_DCC
492BOOL dcc_direct_add_header = FALSE;
493uschar *dcc_header = NULL;
494uschar *dcc_result = NULL;
495uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
496uschar *dccifd_options = US"header";
497#endif
498
3d235903 499BOOL debug_daemon = FALSE;
059ec3d9
PH		 500int debug_fd = -1;
501FILE *debug_file = NULL;
502bit_table debug_options[] = {
503 { US"acl", D_acl },
504 { US"all", D_all },
505 { US"auth", D_auth },
506 { US"deliver", D_deliver },
507 { US"dns", D_dns },
508 { US"dnsbl", D_dnsbl },
509 { US"exec", D_exec },
510 { US"expand", D_expand },
511 { US"filter", D_filter },
512 { US"hints_lookup", D_hints_lookup },
513 { US"host_lookup", D_host_lookup },
514 { US"ident", D_ident },
515 { US"interface", D_interface },
516 { US"lists", D_lists },
517 { US"load", D_load },
518 { US"local_scan", D_local_scan },
519 { US"lookup", D_lookup },
520 { US"memory", D_memory },
521 { US"pid", D_pid },
522 { US"process_info", D_process_info },
523 { US"queue_run", D_queue_run },
524 { US"receive", D_receive },
525 { US"resolver", D_resolver },
526 { US"retry", D_retry },
527 { US"rewrite", D_rewrite },
528 { US"route", D_route },
529 { US"timestamp", D_timestamp },
530 { US"tls", D_tls },
531 { US"transport", D_transport },
532 { US"uid", D_uid },
533 { US"verify", D_verify }
534};
535int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
536unsigned int debug_selector = 0;
537int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 538uschar *delay_warning_condition=
539 US"${if or {"
e85a7ad5 540 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 541 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
542 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
543 "} {no}{yes}}";
059ec3d9
PH		 544BOOL delivery_date_remove = TRUE;
545uschar *deliver_address_data = NULL;
546int deliver_datafile = -1;
547uschar *deliver_domain = NULL;
548uschar *deliver_domain_data = NULL;
549uschar *deliver_domain_orig = NULL;
550uschar *deliver_domain_parent = NULL;
551BOOL deliver_drop_privilege = FALSE;
552BOOL deliver_firsttime = FALSE;
553BOOL deliver_force = FALSE;
554BOOL deliver_freeze = FALSE;
555int deliver_frozen_at = 0;
556uschar *deliver_home = NULL;
557uschar *deliver_host = NULL;
558uschar *deliver_host_address = NULL;
559uschar *deliver_in_buffer = NULL;
560ino_t deliver_inode = 0;
561uschar *deliver_localpart = NULL;
562uschar *deliver_localpart_data = NULL;
563uschar *deliver_localpart_orig = NULL;
564uschar *deliver_localpart_parent = NULL;
565uschar *deliver_localpart_prefix = NULL;
566uschar *deliver_localpart_suffix = NULL;
567BOOL deliver_force_thaw = FALSE;
568BOOL deliver_manual_thaw = FALSE;
569uschar *deliver_out_buffer = NULL;
570int deliver_queue_load_max = -1;
571address_item *deliver_recipients = NULL;
572uschar *deliver_selectstring = NULL;
573BOOL deliver_selectstring_regex = FALSE;
574uschar *deliver_selectstring_sender = NULL;
575BOOL deliver_selectstring_sender_regex = FALSE;
8523533c
TK		 576#ifdef WITH_OLD_DEMIME
577int demime_errorlevel = 0;
578int demime_ok = 0;
579uschar *demime_reason = NULL;
580#endif
4c590bd1 581BOOL disable_callout_flush = FALSE;
047bdd8c 582BOOL disable_delay_flush = FALSE;
54fc8428
PH		 583#ifdef ENABLE_DISABLE_FSYNC
584BOOL disable_fsync = FALSE;
585#endif
7e66e54d 586BOOL disable_ipv6 = FALSE;
059ec3d9
PH		 587BOOL disable_logging = FALSE;
588
80a47a2c 589#ifndef DISABLE_DKIM
2df588c9 590uschar *dkim_cur_signer = NULL;
9e5d6b55 591uschar *dkim_signers = NULL;
f7572e5a
TK		 592uschar *dkim_signing_domain = NULL;
593uschar *dkim_signing_selector = NULL;
9e5d6b55 594uschar *dkim_verify_signers = US"$dkim_signers";
80a47a2c
TK		 595BOOL dkim_collect_input = FALSE;
596BOOL dkim_disable_verify = FALSE;
f7572e5a 597#endif
4840604e 598#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 599BOOL dmarc_has_been_checked = FALSE;
4840604e
TL		 600uschar *dmarc_ar_header = NULL;
601uschar *dmarc_forensic_sender = NULL;
602uschar *dmarc_history_file = NULL;
603uschar *dmarc_status = NULL;
604uschar *dmarc_status_text = NULL;
605uschar *dmarc_tld_file = NULL;
606uschar *dmarc_used_domain = NULL;
607BOOL dmarc_disable_verify = FALSE;
608BOOL dmarc_enable_forensic = FALSE;
609#endif
f7572e5a 610
059ec3d9 611uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH		 612int dns_csa_search_limit = 5;
613BOOL dns_csa_use_reverse = TRUE;
059ec3d9
PH		 614uschar *dns_ipv4_lookup = NULL;
615int dns_retrans = 0;
616int dns_retry = 0;
0fbd9bff 617int dns_dnssec_ok = -1; /* <0 = not coerced */
e97d1f08 618int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 619uschar *dnslist_domain = NULL;
93655c46 620uschar *dnslist_matched = NULL;
059ec3d9
PH		 621uschar *dnslist_text = NULL;
622uschar *dnslist_value = NULL;
623tree_node *domainlist_anchor = NULL;
624int domainlist_count = 0;
625BOOL dont_deliver = FALSE;
626BOOL dot_ends = TRUE;
627BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 628uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH		 629
630BOOL enable_dollar_recipients = FALSE;
631BOOL envelope_to_remove = TRUE;
632int errno_quota = ERRNO_QUOTA;
633uschar *errors_copy = NULL;
634int error_handling = ERRORS_SENDER;
635uschar *errors_reply_to = NULL;
636int errors_sender_rc = EXIT_FAILURE;
637
638gid_t exim_gid = EXIM_GID;
639BOOL exim_gid_set = TRUE; /* This gid is always set */
640uschar *exim_path = US BIN_DIRECTORY "/exim"
641 "\0<---------------Space to patch exim_path->";
642uid_t exim_uid = EXIM_UID;
643BOOL exim_uid_set = TRUE; /* This uid is always set */
644int expand_forbid = 0;
645int expand_nlength[EXPAND_MAXN+1];
646int expand_nmax = -1;
647uschar *expand_nstring[EXPAND_MAXN+1];
648BOOL expand_string_forcedfail = FALSE;
649uschar *expand_string_message;
650BOOL extract_addresses_remove_arguments = TRUE;
651uschar *extra_local_interfaces = NULL;
652
29aba418 653int fake_response = OK;
0e22dfd1
PH		 654uschar *fake_response_text = US"Your message has been rejected but is "
655 "being kept for evaluation.\nIf it was a "
656 "legitimate message, it may still be "
657 "delivered to the target recipient(s).";
059ec3d9
PH		 658int filter_n[FILTER_VARIABLE_COUNT];
659BOOL filter_running = FALSE;
660int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 661int filter_test = FTEST_NONE;
662uschar *filter_test_sfile = NULL;
663uschar *filter_test_ufile = NULL;
059ec3d9
PH		 664uschar *filter_thisaddress = NULL;
665int finduser_retries = 0;
8523533c
TK		 666#ifdef WITH_OLD_DEMIME
667uschar *found_extension = NULL;
668#endif
059ec3d9
PH		 669uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
670uschar *freeze_tell = NULL;
6a3f1455 671uschar *freeze_tell_config = NULL;
059ec3d9
PH		 672uschar *fudged_queue_times = US"";
673
674uschar *gecos_name = NULL;
675uschar *gecos_pattern = NULL;
676rewrite_rule *global_rewrite_rules = NULL;
677
678uschar *headers_charset = US HEADERS_CHARSET;
679int header_insert_maxlen = 64 * 1024;
680header_line *header_last = NULL;
681header_line *header_list = NULL;
682int header_maxsize = HEADER_MAXSIZE;
683int header_line_maxsize = 0;
684
685header_name header_names[] = {
686 { US"bcc", 3, TRUE, htype_bcc },
687 { US"cc", 2, TRUE, htype_cc },
688 { US"date", 4, TRUE, htype_date },
689 { US"delivery-date", 13, FALSE, htype_delivery_date },
690 { US"envelope-to", 11, FALSE, htype_envelope_to },
691 { US"from", 4, TRUE, htype_from },
692 { US"message-id", 10, TRUE, htype_id },
693 { US"received", 8, FALSE, htype_received },
694 { US"reply-to", 8, FALSE, htype_reply_to },
695 { US"return-path", 11, FALSE, htype_return_path },
696 { US"sender", 6, TRUE, htype_sender },
697 { US"subject", 7, FALSE, htype_subject },
698 { US"to", 2, TRUE, htype_to }
699};
700
701int header_names_size = sizeof(header_names)/sizeof(header_name);
702
703BOOL header_rewritten = FALSE;
704uschar *helo_accept_junk_hosts = NULL;
705uschar *helo_allow_chars = US"";
706uschar *helo_lookup_domains = US"@ : @[]";
707uschar *helo_try_verify_hosts = NULL;
708BOOL helo_verified = FALSE;
d7b47fd0 709BOOL helo_verify_failed = FALSE;
059ec3d9 710uschar *helo_verify_hosts = NULL;
1ba28e2b 711const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH		 712uschar *hold_domains = NULL;
713BOOL host_checking = FALSE;
714BOOL host_checking_callout = FALSE;
715uschar *host_data = NULL;
716BOOL host_find_failed_syntax= FALSE;
717uschar *host_lookup = NULL;
b08b24c8 718BOOL host_lookup_deferred = FALSE;
059ec3d9
PH		 719BOOL host_lookup_failed = FALSE;
720uschar *host_lookup_order = US"bydns:byaddr";
721uschar *host_lookup_msg = US"";
722int host_number = 0;
723uschar *host_number_string = NULL;
724uschar *host_reject_connection = NULL;
725tree_node *hostlist_anchor = NULL;
726int hostlist_count = 0;
727uschar *hosts_treat_as_local = NULL;
728uschar *hosts_connection_nolog = NULL;
729
730int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
731BOOL ignore_fromline_local = FALSE;
732uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP		 733BOOL inetd_wait_mode = FALSE;
734int inetd_wait_timeout = -1;
059ec3d9
PH		 735uschar *interface_address = NULL;
736int interface_port = -1;
737BOOL is_inetd = FALSE;
0ce9abe6 738uschar *iterate_item = NULL;
059ec3d9
PH		 739
740int journal_fd = -1;
741
742int keep_malformed = 4*24*60*60; /* 4 days */
743
744uschar *eldap_dn = NULL;
745int load_average = -2;
746BOOL local_error_message = FALSE;
747BOOL local_from_check = TRUE;
748uschar *local_from_prefix = NULL;
749uschar *local_from_suffix = NULL;
750
751#if HAVE_IPV6
752uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
753#else
754uschar *local_interfaces = US"0.0.0.0";
755#endif
756
757uschar *local_scan_data = NULL;
758int local_scan_timeout = 5*60;
759BOOL local_sender_retain = FALSE;
760gid_t local_user_gid = (gid_t)(-1);
761uid_t local_user_uid = (uid_t)(-1);
762
763tree_node *localpartlist_anchor= NULL;
764int localpartlist_count = 0;
765uschar *log_buffer = NULL;
766unsigned int log_extra_selector = LX_default;
767uschar *log_file_path = US LOG_FILE_PATH
768 "\0<--------------Space to patch log_file_path->";
769
770/* Those log options with L_xxx identifiers have values less than 0x800000 and
771are the ones that get put into log_write_selector. They can be used in calls to
772log_write() to test for the bit. The options with LX_xxx identifiers have
3f0945ff 773values greater than 0x80000000 and are put into log_extra_selector (without the
059ec3d9
PH		 774top bit). They are never used in calls to log_write(), but are tested
775independently. This separation became necessary when the number of log
776selectors was getting close to filling a 32-bit word. */
777
f3f065bb
PH		 778/* Note that this list must be in alphabetical order. */
779
059ec3d9 780bit_table log_options[] = {
3c0a92dc 781 { US"8bitmime", LX_8bitmime },
49826d12 782 { US"acl_warn_skipped", LX_acl_warn_skipped },
059ec3d9
PH		 783 { US"address_rewrite", L_address_rewrite },
784 { US"all", L_all },
785 { US"all_parents", L_all_parents },
786 { US"arguments", LX_arguments },
787 { US"connection_reject", L_connection_reject },
788 { US"delay_delivery", L_delay_delivery },
789 { US"deliver_time", LX_deliver_time },
790 { US"delivery_size", LX_delivery_size },
791 { US"dnslist_defer", L_dnslist_defer },
792 { US"etrn", L_etrn },
793 { US"host_lookup_failed", L_host_lookup_failed },
794 { US"ident_timeout", LX_ident_timeout },
795 { US"incoming_interface", LX_incoming_interface },
796 { US"incoming_port", LX_incoming_port },
797 { US"lost_incoming_connection", L_lost_incoming_connection },
798 { US"outgoing_port", LX_outgoing_port },
f3f065bb 799 { US"pid", LX_pid },
a3c86431
TL		 800#ifdef EXPERIMENTAL_PROXY
801 { US"proxy", LX_proxy },
802#endif
059ec3d9
PH		 803 { US"queue_run", L_queue_run },
804 { US"queue_time", LX_queue_time },
2ac0e484 805 { US"queue_time_overall", LX_queue_time_overall },
059ec3d9
PH		 806 { US"received_recipients", LX_received_recipients },
807 { US"received_sender", LX_received_sender },
808 { US"rejected_header", LX_rejected_header },
809 { US"rejected_headers", LX_rejected_header },
810 { US"retry_defer", L_retry_defer },
811 { US"return_path_on_delivery", LX_return_path_on_delivery },
812 { US"sender_on_delivery", LX_sender_on_delivery },
278c6e6c 813 { US"sender_verify_fail", LX_sender_verify_fail },
059ec3d9
PH		 814 { US"size_reject", L_size_reject },
815 { US"skip_delivery", L_skip_delivery },
816 { US"smtp_confirmation", LX_smtp_confirmation },
817 { US"smtp_connection", L_smtp_connection },
818 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
c8e2fc1e 819 { US"smtp_mailauth", LX_smtp_mailauth },
b4ed4da0 820 { US"smtp_no_mail", LX_smtp_no_mail },
059ec3d9
PH		 821 { US"smtp_protocol_error", L_smtp_protocol_error },
822 { US"smtp_syntax_error", L_smtp_syntax_error },
823 { US"subject", LX_subject },
824 { US"tls_certificate_verified", LX_tls_certificate_verified },
825 { US"tls_cipher", LX_tls_cipher },
1130bfb0 826 { US"tls_peerdn", LX_tls_peerdn },
3f0945ff 827 { US"tls_sni", LX_tls_sni },
1130bfb0 828 { US"unknown_in_list", LX_unknown_in_list }
059ec3d9
PH		 829};
830
831int log_options_count = sizeof(log_options)/sizeof(bit_table);
6ea85e9a 832int log_reject_target = 0;
059ec3d9
PH		 833uschar *log_selector_string = NULL;
834FILE *log_stderr = NULL;
835BOOL log_testing_mode = FALSE;
836BOOL log_timezone = FALSE;
6ea85e9a 837unsigned int log_write_selector= L_default;
059ec3d9
PH		 838uschar *login_sender_address = NULL;
839int lookup_open_max = 25;
840uschar *lookup_value = NULL;
841
842macro_item *macros = NULL;
843uschar *mailstore_basename = NULL;
8523533c
TK		 844#ifdef WITH_CONTENT_SCAN
845uschar *malware_name = NULL; /* Virus Name */
846#endif
d677b2f2 847int max_received_linelength= 0;
059ec3d9
PH		 848int max_username_length = 0;
849int message_age = 0;
850uschar *message_body = NULL;
851uschar *message_body_end = NULL;
ddea74fa 852BOOL message_body_newlines = FALSE;
059ec3d9
PH		 853int message_body_size = 0;
854int message_body_visible = 500;
855int message_ended = END_NOTSTARTED;
856uschar *message_headers = NULL;
857uschar *message_id;
858uschar *message_id_domain = NULL;
859uschar *message_id_text = NULL;
860struct timeval message_id_tv = { 0, 0 };
861uschar message_id_option[MESSAGE_ID_LENGTH + 3];
862uschar *message_id_external;
863int message_linecount = 0;
864BOOL message_logs = TRUE;
865int message_size = 0;
866uschar *message_size_limit = US"50M";
867uschar message_subdir[2] = { 0, 0 };
868uschar *message_reference = NULL;
8523533c
TK		 869
870/* MIME ACL expandables */
871#ifdef WITH_CONTENT_SCAN
f7b63901 872int mime_anomaly_level = 0;
1ba28e2b 873const uschar *mime_anomaly_text = NULL;
8523533c
TK		 874uschar *mime_boundary = NULL;
875uschar *mime_charset = NULL;
876uschar *mime_content_description = NULL;
877uschar *mime_content_disposition = NULL;
878uschar *mime_content_id = NULL;
879unsigned int mime_content_size = 0;
880uschar *mime_content_transfer_encoding = NULL;
881uschar *mime_content_type = NULL;
882uschar *mime_decoded_filename = NULL;
883uschar *mime_filename = NULL;
884int mime_is_multipart = 0;
885int mime_is_coverletter = 0;
886int mime_is_rfc822 = 0;
887int mime_part_count = -1;
888#endif
889
059ec3d9
PH		 890BOOL mua_wrapper = FALSE;
891
892uid_t *never_users = NULL;
8523533c
TK		 893#ifdef WITH_CONTENT_SCAN
894BOOL no_mbox_unspool = FALSE;
895#endif
059ec3d9
PH		 896BOOL no_multiline_responses = FALSE;
897
898uid_t original_euid;
899gid_t originator_gid;
900uschar *originator_login = NULL;
901uschar *originator_name = NULL;
902uid_t originator_uid;
903uschar *override_local_interfaces = NULL;
904uschar *override_pid_file_path = NULL;
905
906BOOL parse_allow_group = FALSE;
907BOOL parse_found_group = FALSE;
908uschar *percent_hack_domains = NULL;
909uschar *pid_file_path = US PID_FILE_PATH
910 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 911BOOL pipelining_enable = TRUE;
059ec3d9
PH		 912uschar *pipelining_advertise_hosts = US"*";
913BOOL preserve_message_logs = FALSE;
914uschar *primary_hostname = NULL;
915BOOL print_topbitchars = FALSE;
916uschar process_info[PROCESS_INFO_SIZE];
921b12ca 917int process_info_len = 0;
059ec3d9
PH		 918uschar *process_log_path = NULL;
919BOOL prod_requires_admin = TRUE;
a3c86431
TL		 920
921#ifdef EXPERIMENTAL_PROXY
a3bddaa8
TL		 922uschar *proxy_host_address = US"";
923int proxy_host_port = 0;
a3c86431
TL		 924uschar *proxy_required_hosts = US"";
925BOOL proxy_session = FALSE;
926BOOL proxy_session_failed = FALSE;
927#endif
928
fffda43a
TK		 929uschar *prvscheck_address = NULL;
930uschar *prvscheck_keynum = NULL;
931uschar *prvscheck_result = NULL;
932
059ec3d9
PH		 933
934uschar *qualify_domain_recipient = NULL;
935uschar *qualify_domain_sender = NULL;
936BOOL queue_2stage = FALSE;
937uschar *queue_domains = NULL;
938int queue_interval = -1;
939BOOL queue_list_requires_admin = TRUE;
940BOOL queue_only = FALSE;
941uschar *queue_only_file = NULL;
942int queue_only_load = -1;
8669f003 943BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 944BOOL queue_only_override = TRUE;
945BOOL queue_only_policy = FALSE;
946BOOL queue_run_first_delivery = FALSE;
947BOOL queue_run_force = FALSE;
948BOOL queue_run_in_order = FALSE;
949BOOL queue_run_local = FALSE;
950int queue_run_max = 5;
951pid_t queue_run_pid = (pid_t)0;
952int queue_run_pipe = -1;
953BOOL queue_running = FALSE;
954BOOL queue_smtp = FALSE;
955uschar *queue_smtp_domains = NULL;
956
957unsigned int random_seed = 0;
fe0dab11 958tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 959tree_node *ratelimiters_conn = NULL;
960tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 961uschar *raw_active_hostname = NULL;
962uschar *raw_sender = NULL;
963uschar **raw_recipients = NULL;
964int raw_recipients_count = 0;
965
966int rcpt_count = 0;
967int rcpt_fail_count = 0;
968int rcpt_defer_count = 0;
969gid_t real_gid;
970uid_t real_uid;
971BOOL really_exim = TRUE;
972BOOL receive_call_bombout = FALSE;
973int receive_linecount = 0;
974int receive_messagecount = 0;
975int receive_timeout = 0;
976int received_count = 0;
977uschar *received_for = NULL;
978
979/* This is the default text for Received headers generated by Exim. The
980date will be automatically added on the end. */
981
982uschar *received_header_text = US
983 "Received: "
984 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 985 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 986 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
987 "by $primary_hostname "
988 "${if def:received_protocol {with $received_protocol}} "
989 #ifdef SUPPORT_TLS
990 "${if def:tls_cipher {($tls_cipher)\n\t}}"
991 #endif
992 "(Exim $version_number)\n\t"
3e46c1aa 993 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 994 "id $message_exim_id"
059ec3d9
PH		 995 "${if def:received_for {\n\tfor $received_for}}"
996 "\0<---------------Space to patch received_header_text->";
997
998int received_headers_max = 30;
999uschar *received_protocol = NULL;
1000int received_time = 0;
1001uschar *recipient_data = NULL;
1002uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1003uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 1004int recipients_count = 0;
1005BOOL recipients_discarded = FALSE;
1006recipient_item *recipients_list = NULL;
1007int recipients_list_max = 0;
1008int recipients_max = 0;
1009BOOL recipients_max_reject = FALSE;
1010const pcre *regex_AUTH = NULL;
1011const pcre *regex_check_dns_names = NULL;
1012const pcre *regex_From = NULL;
f1513293 1013const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1014const pcre *regex_PIPELINING = NULL;
1015const pcre *regex_SIZE = NULL;
a5bd321b 1016const pcre *regex_smtp_code = NULL;
059ec3d9 1017const pcre *regex_ismsgid = NULL;
a7cbbf50
PP		 1018#ifdef WHITELIST_D_MACROS
1019const pcre *regex_whitelisted_macro = NULL;
1020#endif
8523533c
TK		 1021#ifdef WITH_CONTENT_SCAN
1022uschar *regex_match_string = NULL;
1023#endif
059ec3d9
PH		 1024int remote_delivery_count = 0;
1025int remote_max_parallel = 2;
1026uschar *remote_sort_domains = NULL;
1027int retry_data_expire = 7*24*60*60;
1028int retry_interval_max = 24*60*60;
1029int retry_maximum_timeout = 0; /* set from retry config */
1030retry_config *retries = NULL;
1031uschar *return_path = NULL;
1032BOOL return_path_remove = TRUE;
1033int rewrite_existflags = 0;
1034uschar *rfc1413_hosts = US"*";
8def5aaf 1035int rfc1413_query_timeout = 5;
059ec3d9 1036/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1037uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1038uid_t root_uid = ROOT_UID;
1039
1040router_instance *routers = NULL;
1041router_instance router_defaults = {
1042 NULL, /* chain pointer */
1043 NULL, /* name */
1044 NULL, /* info */
1045 NULL, /* private options block pointer */
1046 NULL, /* driver name */
1047
1048 NULL, /* address_data */
8523533c
TK		 1049#ifdef EXPERIMENTAL_BRIGHTMAIL
1050 NULL, /* bmi_rule */
8e669ac1 1051#endif
059ec3d9
PH		 1052 NULL, /* cannot_route_message */
1053 NULL, /* condition */
1054 NULL, /* current_directory */
1055 NULL, /* debug_string */
1056 NULL, /* domains */
1057 NULL, /* errors_to */
1058 NULL, /* expand_gid */
1059 NULL, /* expand_uid */
1060 NULL, /* expand_more */
1061 NULL, /* expand_unseen */
1062 NULL, /* extra_headers */
1063 NULL, /* fallback_hosts */
1064 NULL, /* home_directory */
1065 NULL, /* ignore_target_hosts */
1066 NULL, /* local_parts */
1067 NULL, /* pass_router_name */
1068 NULL, /* prefix */
1069 NULL, /* redirect_router_name */
1070 NULL, /* remove_headers */
1071 NULL, /* require_files */
1072 NULL, /* router_home_directory */
1073 US"freeze", /* self */
1074 NULL, /* senders */
1075 NULL, /* suffix */
1076 NULL, /* translate_ip_address */
1077 NULL, /* transport_name */
1078
1079 TRUE, /* address_test */
8523533c
TK		 1080#ifdef EXPERIMENTAL_BRIGHTMAIL
1081 FALSE, /* bmi_deliver_alternate */
1082 FALSE, /* bmi_deliver_default */
1083 FALSE, /* bmi_dont_deliver */
1084#endif
059ec3d9
PH		 1085 TRUE, /* expn */
1086 FALSE, /* caseful_local_part */
1087 FALSE, /* check_local_user */
1088 FALSE, /* disable_logging */
1089 FALSE, /* fail_verify_recipient */
1090 FALSE, /* fail_verify_sender */
1091 FALSE, /* gid_set */
1092 FALSE, /* initgroups */
1093 TRUE_UNSET, /* log_as_local */
1094 TRUE, /* more */
1095 FALSE, /* pass_on_timeout */
1096 FALSE, /* prefix_optional */
1097 TRUE, /* repeat_use */
1098 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1099 FALSE, /* same_domain_copy_routing */
1100 FALSE, /* self_rewrite */
1101 FALSE, /* suffix_optional */
1102 FALSE, /* verify_only */
1103 TRUE, /* verify_recipient */
1104 TRUE, /* verify_sender */
1105 FALSE, /* uid_set */
1106 FALSE, /* unseen */
1107
1108 self_freeze, /* self_code */
1109 (uid_t)(-1), /* uid */
1110 (gid_t)(-1), /* gid */
1111
1112 NULL, /* fallback_hostlist */
1113 NULL, /* transport instance */
1114 NULL, /* pass_router */
1115 NULL /* redirect_router */
1116};
1117
181d9bf8
JH		 1118uschar *router_name = NULL;
1119
059ec3d9
PH		 1120ip_address_item *running_interfaces = NULL;
1121BOOL running_in_test_harness = FALSE;
1122
1123/* This is a weird one. The following string gets patched in the binary by the
1124script that sets up a copy of Exim for running in the test harness. It seems
1125that compilers are now clever, and share constant strings if they can.
1126Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1127make use of the end of this string in order to save space. So the patching then
8669f003 1128wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1129onto the end of the string. */
1130
1131uschar *running_status = US">>>running<<<" "\0EXTRA";
1132
1133int runrc = 0;
1134
1135uschar *search_error_message = NULL;
1136BOOL search_find_defer = FALSE;
1137uschar *self_hostname = NULL;
1138uschar *sender_address = NULL;
1139unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1140uschar *sender_address_data = NULL;
059ec3d9
PH		 1141BOOL sender_address_forced = FALSE;
1142uschar *sender_address_unrewritten = NULL;
1143uschar *sender_data = NULL;
1144unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1145uschar *sender_fullhost = NULL;
1146uschar *sender_helo_name = NULL;
1147uschar **sender_host_aliases = &no_aliases;
1148uschar *sender_host_address = NULL;
1149uschar *sender_host_authenticated = NULL;
1150unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1151BOOL sender_host_dnssec = FALSE;
059ec3d9
PH		 1152uschar *sender_host_name = NULL;
1153int sender_host_port = 0;
1154BOOL sender_host_notsocket = FALSE;
1155BOOL sender_host_unknown = FALSE;
1156uschar *sender_ident = NULL;
1157BOOL sender_local = FALSE;
2fe1a124 1158BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1159uschar *sender_rate = NULL;
1160uschar *sender_rate_limit = NULL;
1161uschar *sender_rate_period = NULL;
059ec3d9
PH		 1162uschar *sender_rcvhost = NULL;
1163BOOL sender_set_untrusted = FALSE;
1164uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1165uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1166address_item *sender_verified_list = NULL;
1167address_item *sender_verified_failed = NULL;
1168int sender_verified_rc = -1;
1169BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1170uschar *sending_ip_address = NULL;
1171int sending_port = -1;
cd59ab18 1172SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9
PH		 1173uschar **sighup_argv = NULL;
1174int smtp_accept_count = 0;
1175BOOL smtp_accept_keepalive = TRUE;
1176int smtp_accept_max = 20;
1177int smtp_accept_max_nonmail= 10;
1178uschar *smtp_accept_max_nonmail_hosts = US"*";
1179int smtp_accept_max_per_connection = 1000;
1180uschar *smtp_accept_max_per_host = NULL;
1181int smtp_accept_queue = 0;
1182int smtp_accept_queue_per_connection = 10;
1183int smtp_accept_reserve = 0;
1184uschar *smtp_active_hostname = NULL;
1185BOOL smtp_authenticated = FALSE;
1f5b4c3d 1186uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1187 "Exim $version_number $tod_full"
1188 "\0<---------------Space to patch smtp_banner->";
1189BOOL smtp_batched_input = FALSE;
1190BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1191int smtp_ch_index = 0;
3ee512ff
PH		 1192uschar *smtp_cmd_argument = NULL;
1193uschar *smtp_cmd_buffer = NULL;
b4ed4da0
PH		 1194time_t smtp_connection_start = 0;
1195uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1196int smtp_connect_backlog = 20;
1197double smtp_delay_mail = 0.0;
1198double smtp_delay_rcpt = 0.0;
1199BOOL smtp_enforce_sync = TRUE;
1200FILE *smtp_in = NULL;
1201BOOL smtp_input = FALSE;
1202int smtp_load_reserve = -1;
1203int smtp_mailcmd_count = 0;
1204FILE *smtp_out = NULL;
1205uschar *smtp_etrn_command = NULL;
1206BOOL smtp_etrn_serialize = TRUE;
1207int smtp_max_synprot_errors= 3;
1208int smtp_max_unknown_commands = 3;
8f128379 1209uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1210uschar *smtp_ratelimit_hosts = NULL;
1211uschar *smtp_ratelimit_mail = NULL;
1212uschar *smtp_ratelimit_rcpt = NULL;
1213uschar *smtp_read_error = US"";
1214int smtp_receive_timeout = 5*60;
1215uschar *smtp_reserve_hosts = NULL;
1216BOOL smtp_return_error_details = FALSE;
1217int smtp_rlm_base = 0;
1218double smtp_rlm_factor = 0.0;
1219int smtp_rlm_limit = 0;
1220int smtp_rlm_threshold = INT_MAX;
1221int smtp_rlr_base = 0;
1222double smtp_rlr_factor = 0.0;
1223int smtp_rlr_limit = 0;
1224int smtp_rlr_threshold = INT_MAX;
1225BOOL smtp_use_pipelining = FALSE;
1226BOOL smtp_use_size = FALSE;
8523533c
TK		 1227
1228#ifdef WITH_CONTENT_SCAN
1229uschar *spamd_address = US"127.0.0.1 783";
1230uschar *spam_bar = NULL;
1231uschar *spam_report = NULL;
1232uschar *spam_score = NULL;
1233uschar *spam_score_int = NULL;
1234#endif
1235#ifdef EXPERIMENTAL_SPF
65a7d8c3 1236uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1237uschar *spf_header_comment = NULL;
1238uschar *spf_received = NULL;
1239uschar *spf_result = NULL;
1240uschar *spf_smtp_comment = NULL;
1241#endif
1242
059ec3d9
PH		 1243BOOL split_spool_directory = FALSE;
1244uschar *spool_directory = US SPOOL_DIRECTORY
1245 "\0<--------------Space to patch spool_directory->";
8523533c
TK		 1246#ifdef EXPERIMENTAL_SRS
1247uschar *srs_config = NULL;
1248uschar *srs_db_address = NULL;
1249uschar *srs_db_key = NULL;
384152a6
TK		 1250int srs_hashlength = 6;
1251int srs_hashmin = -1;
1252int srs_maxage = 31;
8523533c
TK		 1253uschar *srs_orig_recipient = NULL;
1254uschar *srs_orig_sender = NULL;
1255uschar *srs_recipient = NULL;
384152a6 1256uschar *srs_secrets = NULL;
8523533c 1257uschar *srs_status = NULL;
384152a6
TK		 1258BOOL srs_usehash = TRUE;
1259BOOL srs_usetimestamp = TRUE;
8e669ac1 1260#endif
38a0a95f 1261BOOL strict_acl_vars = FALSE;
059ec3d9 1262int string_datestamp_offset= -1;
f1e5fef5
PP		 1263int string_datestamp_length= 0;
1264int string_datestamp_type = -1;
059ec3d9
PH		 1265BOOL strip_excess_angle_brackets = FALSE;
1266BOOL strip_trailing_dot = FALSE;
1267uschar *submission_domain = NULL;
1268BOOL submission_mode = FALSE;
2fe1a124 1269uschar *submission_name = NULL;
8800895a 1270BOOL suppress_local_fixups = FALSE;
f4ee74ac 1271BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH		 1272BOOL synchronous_delivery = FALSE;
1273BOOL syslog_duplication = TRUE;
1274int syslog_facility = LOG_MAIL;
1275uschar *syslog_processname = US"exim";
1276BOOL syslog_timestamp = TRUE;
1277uschar *system_filter = NULL;
1278
1279uschar *system_filter_directory_transport = NULL;
1280uschar *system_filter_file_transport = NULL;
1281uschar *system_filter_pipe_transport = NULL;
1282uschar *system_filter_reply_transport = NULL;
1283
1284gid_t system_filter_gid = 0;
1285BOOL system_filter_gid_set = FALSE;
79d4bc3d 1286uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1287BOOL system_filter_uid_set = FALSE;
1288BOOL system_filtering = FALSE;
1289
1290BOOL tcp_nodelay = TRUE;
5dc43717
JJ		 1291#ifdef USE_TCP_WRAPPERS
1292uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1293#endif
8669f003 1294int test_harness_load_avg = 0;
059ec3d9
PH		 1295int thismessage_size_limit = 0;
1296int timeout_frozen_after = 0;
1297BOOL timestamps_utc = FALSE;
1298
d68218c7
JH		 1299#ifdef EXPERIMENTAL_TPDA
1300int tpda_defer_errno = 0;
1301uschar *tpda_defer_errstr = NULL;
1302uschar *tpda_delivery_ip = NULL;
1303int tpda_delivery_port = 0;
1304uschar *tpda_delivery_fqdn = NULL;
1305uschar *tpda_delivery_local_part= NULL;
1306uschar *tpda_delivery_domain = NULL;
1307uschar *tpda_delivery_confirmation = NULL;
1308#endif
1309
059ec3d9
PH		 1310transport_instance *transports = NULL;
1311
1312transport_instance transport_defaults = {
1313 NULL, /* chain pointer */
1314 NULL, /* name */
1315 NULL, /* info */
1316 NULL, /* private options block pointer */
1317 NULL, /* driver name */
1318 NULL, /* setup entry point */
1319 1, /* batch_max */
1320 NULL, /* batch_id */
1321 NULL, /* home_dir */
1322 NULL, /* current_dir */
1323 TRUE, /* multi-domain */
1324 FALSE, /* overrides_hosts */
1325 100, /* max_addresses */
1326 500, /* connection_max_messages */
1327 FALSE, /* deliver_as_creator */
1328 FALSE, /* disable_logging */
1329 FALSE, /* initgroups */
1330 FALSE, /* uid_set */
1331 FALSE, /* gid_set */
1332 (uid_t)(-1), /* uid */
1333 (gid_t)(-1), /* gid */
1334 NULL, /* expand_uid */
1335 NULL, /* expand_gid */
1336 NULL, /* warn_message */
1337 NULL, /* shadow */
1338 NULL, /* shadow_condition */
1339 NULL, /* filter_command */
1340 NULL, /* add_headers */
1341 NULL, /* remove_headers */
1342 NULL, /* return_path */
1343 NULL, /* debug_string */
1344 NULL, /* message_size_limit */
1345 NULL, /* headers_rewrite */
1346 NULL, /* rewrite_rules */
1347 0, /* rewrite_existflags */
1348 300, /* filter_timeout */
1349 FALSE, /* body_only */
1350 FALSE, /* delivery_date_add */
1351 FALSE, /* envelope_to_add */
1352 FALSE, /* headers_only */
1353 FALSE, /* rcpt_include_affixes */
1354 FALSE, /* return_path_add */
1355 FALSE, /* return_output */
1356 FALSE, /* return_fail_output */
1357 FALSE, /* log_output */
1358 FALSE, /* log_fail_output */
1359 FALSE, /* log_defer_output */
1360 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1361 1 nor 0 so can detect unset */
1362};
1363
1364int transport_count;
181d9bf8 1365uschar *transport_name = NULL;
332f5cf3 1366int transport_newlines;
059ec3d9
PH		 1367uschar **transport_filter_argv = NULL;
1368int transport_filter_timeout;
2e2a30b4 1369BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1370int transport_write_timeout= 0;
1371
1372tree_node *tree_dns_fails = NULL;
1373tree_node *tree_duplicates = NULL;
1374tree_node *tree_nonrecipients = NULL;
1375tree_node *tree_unusable = NULL;
1376
1377BOOL trusted_caller = FALSE;
e2f5dc15 1378BOOL trusted_config = TRUE;
059ec3d9
PH		 1379gid_t *trusted_groups = NULL;
1380uid_t *trusted_users = NULL;
1381uschar *timezone_string = US TIMEZONE_DEFAULT;
1382
1383uschar *unknown_login = NULL;
1384uschar *unknown_username = NULL;
1385uschar *untrusted_set_sender = NULL;
1386
1387/* A regex for matching a "From_" line in an incoming message, in the form
1388
1389 From ph10 Fri Jan 5 12:35 GMT 1996
1390
1391which the "mail" commands send to the MTA (undocumented, of course), or in
1392the form
1393
1394 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1395
1396which is apparently used by some UUCPs, despite it not being in RFC 976.
1397Because of variations in time formats, just match up to the minutes. That
1398should be sufficient. Examples have been seen of time fields like 12:1:03,
1399so just require one digit for hours and minutes. The weekday is also absent
1400in some forms. */
1401
1402uschar *uucp_from_pattern = US
1403 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1404 "(?:" /* Non-extracting bracket */
1405 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1406 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1407 ")" /* End alternation */
1408 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1409
1410uschar *uucp_from_sender = US"$1";
1411
1412uschar *warn_message_file = NULL;
1413uschar *warnmsg_delay = NULL;
1414uschar *warnmsg_recipients = NULL;
1415BOOL write_rejectlog = TRUE;
1416
f45100a3 1417uschar *version_copyright =
115c008d
TL		 1418 US"Copyright (c) University of Cambridge, 1995 - 2013\n"
1419 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2013";
059ec3d9
PH		 1420uschar *version_date = US"?";
1421uschar *version_cnumber = US"????";
1422uschar *version_string = US"?";
1423
1424int warning_count = 0;
1425
1426/* End of globals.c */
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