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[exim.git] / src / src / globals.c
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059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
d4e5e70b 5/* Copyright (c) University of Cambridge 1995 - 2017 */
059ec3d9
PH		 6/* See the file NOTICE for conditions of use and distribution. */
7
8/* All the global variables are defined together in this one module, so
9that they are easy to find. */
10
11#include "exim.h"
12
13
059ec3d9
PH		 14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist optionlist_auths[] = {
6c512171
PH		 18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
6f123593
JH		 20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
059ec3d9
PH		 22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
16ff981e
PH		 28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
059ec3d9
PH		 30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
c0b9d3e8 38int optionlist_auths_size = nelem(optionlist_auths);
059ec3d9
PH		 39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
2f680c0c 52BOOL opt_perl_taintmode = FALSE;
059ec3d9
PH		 53#endif
54
1a46a8c5
PH		 55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
059ec3d9
PH		 59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
bc19a55b
PP		 64uschar *eldap_ca_cert_dir = NULL;
65uschar *eldap_ca_cert_file = NULL;
66uschar *eldap_cert_file = NULL;
67uschar *eldap_cert_key = NULL;
68uschar *eldap_cipher_suite = NULL;
059ec3d9 69uschar *eldap_default_servers = NULL;
bc19a55b 70uschar *eldap_require_cert = NULL;
059ec3d9 71int eldap_version = -1;
bc19a55b 72BOOL eldap_start_tls = FALSE;
059ec3d9
PH		 73#endif
74
75#ifdef LOOKUP_MYSQL
76uschar *mysql_servers = NULL;
77#endif
78
79#ifdef LOOKUP_ORACLE
80uschar *oracle_servers = NULL;
81#endif
82
83#ifdef LOOKUP_PGSQL
84uschar *pgsql_servers = NULL;
85#endif
86
de78e2d5 87#ifdef LOOKUP_REDIS
9bdd29ad
TL		 88uschar *redis_servers = NULL;
89#endif
90
31480e42
PH		 91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
059ec3d9
PH		 95#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96BOOL move_frozen_messages = FALSE;
97#endif
98
99/* These variables are outside the #ifdef because it keeps the code less
100cluttered in several places (e.g. during logging) if we can always refer to
101them. Also, the tls_ variables are now always visible. */
102
817d9f57
JH		 103tls_support tls_in = {
104 -1, /* tls_active */
105 0, /* tls_bits */
106 FALSE,/* tls_certificate_verified */
85098ee7
JH		 107#ifdef EXPERIMENTAL_DANE
108 FALSE,/* dane_verified */
594706ea 109 0, /* tlsa_usage */
85098ee7 110#endif
817d9f57
JH		 111 NULL, /* tls_cipher */
112 FALSE,/* tls_on_connect */
113 NULL, /* tls_on_connect_ports */
9d1c15ef
JH		 114 NULL, /* tls_ourcert */
115 NULL, /* tls_peercert */
817d9f57 116 NULL, /* tls_peerdn */
44662487
JH		 117 NULL, /* tls_sni */
118 0 /* tls_ocsp */
817d9f57
JH		 119};
120tls_support tls_out = {
121 -1, /* tls_active */
122 0, /* tls_bits */
123 FALSE,/* tls_certificate_verified */
85098ee7
JH		 124#ifdef EXPERIMENTAL_DANE
125 FALSE,/* dane_verified */
594706ea 126 0, /* tlsa_usage */
85098ee7 127#endif
817d9f57
JH		 128 NULL, /* tls_cipher */
129 FALSE,/* tls_on_connect */
130 NULL, /* tls_on_connect_ports */
9d1c15ef
JH		 131 NULL, /* tls_ourcert */
132 NULL, /* tls_peercert */
817d9f57 133 NULL, /* tls_peerdn */
44662487
JH		 134 NULL, /* tls_sni */
135 0 /* tls_ocsp */
817d9f57
JH		 136};
137
6c1c3d1d
WB		 138uschar *dsn_envid = NULL;
139int dsn_ret = 0;
140const pcre *regex_DSN = NULL;
6c1c3d1d 141uschar *dsn_advertise_hosts = NULL;
059ec3d9
PH		 142
143#ifdef SUPPORT_TLS
e6060e2c 144BOOL gnutls_compat_mode = FALSE;
2519e60d 145BOOL gnutls_allow_auto_pkcs11 = FALSE;
77bb000f 146uschar *openssl_options = NULL;
059ec3d9 147const pcre *regex_STARTTLS = NULL;
23f3dc67 148uschar *tls_advertise_hosts = US"*";
059ec3d9
PH		 149uschar *tls_certificate = NULL;
150uschar *tls_crl = NULL;
3375e053
PP		 151/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152that's the interop problem which has been observed: GnuTLS suggesting a higher
153bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154int tls_dh_max_bits = 2236;
059ec3d9 155uschar *tls_dhparam = NULL;
8e53a4fc 156uschar *tls_eccurve = US"auto";
23f3dc67 157# ifndef DISABLE_OCSP
3f7eeb86 158uschar *tls_ocsp_file = NULL;
23f3dc67 159# endif
059ec3d9
PH		 160uschar *tls_privatekey = NULL;
161BOOL tls_remember_esmtp = FALSE;
162uschar *tls_require_ciphers = NULL;
163uschar *tls_try_verify_hosts = NULL;
0e0f3f56 164uschar *tls_verify_certificates= US"system";
059ec3d9 165uschar *tls_verify_hosts = NULL;
23f3dc67
JH		 166#else /*!SUPPORT_TLS*/
167uschar *tls_advertise_hosts = NULL;
059ec3d9
PH		 168#endif
169
8ccd00b1 170#ifndef DISABLE_PRDR
fd98a5c6
JH		 171/* Per Recipient Data Response variables */
172BOOL prdr_enable = FALSE;
173BOOL prdr_requested = FALSE;
174const pcre *regex_PRDR = NULL;
175#endif
059ec3d9 176
8c5d388a 177#ifdef SUPPORT_I18N
7ade712c
JH		 178const pcre *regex_UTF8 = NULL;
179#endif
180
059ec3d9
PH		 181/* Input-reading functions for messages, so we can use special ones for
182incoming TCP/IP. The defaults use stdin. We never need these for any
183stand-alone tests. */
184
185#ifndef STAND_ALONE
bd8fbe36 186int (*lwr_receive_getc)(unsigned) = stdin_getc;
7e3ce68e 187int (*lwr_receive_ungetc)(int) = stdin_ungetc;
bd8fbe36 188int (*receive_getc)(unsigned) = stdin_getc;
584e96c6 189void (*receive_get_cache)(void)= NULL;
059ec3d9
PH		 190int (*receive_ungetc)(int) = stdin_ungetc;
191int (*receive_feof)(void) = stdin_feof;
192int (*receive_ferror)(void) = stdin_ferror;
58eb016e 193BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
059ec3d9
PH		 194#endif
195
196
197/* List of per-address expansion variables for clearing and saving/restoring
198when verifying one address while routing/verifying another. We have to have
199the size explicit, because it is referenced from more than one module. */
200
55414b25
JH		 201const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
202 CUSS &deliver_address_data,
203 CUSS &deliver_domain,
204 CUSS &deliver_domain_data,
205 CUSS &deliver_domain_orig,
206 CUSS &deliver_domain_parent,
207 CUSS &deliver_localpart,
208 CUSS &deliver_localpart_data,
209 CUSS &deliver_localpart_orig,
210 CUSS &deliver_localpart_parent,
211 CUSS &deliver_localpart_prefix,
212 CUSS &deliver_localpart_suffix,
213 CUSS (uschar **)(&deliver_recipients),
214 CUSS &deliver_host,
215 CUSS &deliver_home,
216 CUSS &address_file,
217 CUSS &address_pipe,
218 CUSS &self_hostname,
059ec3d9
PH		 219 NULL };
220
221int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
222
223/* General global variables */
224
71fafd95 225header_line *acl_added_headers = NULL;
059ec3d9 226tree_node *acl_anchor = NULL;
525239c1
JH		 227uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
228 NULL, NULL, NULL, NULL};
229int acl_narg = 0;
8f128379 230
e1d04f48
JH		 231int acl_level = 0;
232
059ec3d9 233uschar *acl_not_smtp = NULL;
54cdb463
PH		 234#ifdef WITH_CONTENT_SCAN
235uschar *acl_not_smtp_mime = NULL;
236#endif
45b91596 237uschar *acl_not_smtp_start = NULL;
e7568d51 238uschar *acl_removed_headers = NULL;
059ec3d9
PH		 239uschar *acl_smtp_auth = NULL;
240uschar *acl_smtp_connect = NULL;
241uschar *acl_smtp_data = NULL;
8ccd00b1 242#ifndef DISABLE_PRDR
ad07e9ad 243uschar *acl_smtp_data_prdr = US"accept";
fd98a5c6 244#endif
80a47a2c
TK		 245#ifndef DISABLE_DKIM
246uschar *acl_smtp_dkim = NULL;
247#endif
059ec3d9
PH		 248uschar *acl_smtp_etrn = NULL;
249uschar *acl_smtp_expn = NULL;
250uschar *acl_smtp_helo = NULL;
251uschar *acl_smtp_mail = NULL;
252uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 253#ifdef WITH_CONTENT_SCAN
254uschar *acl_smtp_mime = NULL;
255#endif
8f128379 256uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 257uschar *acl_smtp_predata = NULL;
258uschar *acl_smtp_quit = NULL;
259uschar *acl_smtp_rcpt = NULL;
260uschar *acl_smtp_starttls = NULL;
261uschar *acl_smtp_vrfy = NULL;
8f128379 262
059ec3d9 263BOOL acl_temp_details = FALSE;
38a0a95f
PH		 264tree_node *acl_var_c = NULL;
265tree_node *acl_var_m = NULL;
059ec3d9 266uschar *acl_verify_message = NULL;
059ec3d9
PH		 267string_item *acl_warn_logged = NULL;
268
269/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
270error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
271
272uschar *acl_wherenames[] = { US"RCPT",
273 US"MAIL",
274 US"PREDATA",
8523533c 275 US"MIME",
80a47a2c 276 US"DKIM",
059ec3d9 277 US"DATA",
8ccd00b1 278#ifndef DISABLE_PRDR
fd98a5c6
JH		 279 US"PRDR",
280#endif
059ec3d9
PH		 281 US"non-SMTP",
282 US"AUTH",
283 US"connection",
284 US"ETRN",
285 US"EXPN",
286 US"EHLO or HELO",
287 US"MAILAUTH",
45b91596 288 US"non-SMTP-start",
8f128379 289 US"NOTQUIT",
059ec3d9
PH		 290 US"QUIT",
291 US"STARTTLS",
723c72e6 292 US"VRFY",
faa05a93
JH		 293 US"delivery",
294 US"unknown"
059ec3d9
PH		 295 };
296
a5bd321b
PH		 297uschar *acl_wherecodes[] = { US"550", /* RCPT */
298 US"550", /* MAIL */
299 US"550", /* PREDATA */
300 US"550", /* MIME */
80a47a2c 301 US"550", /* DKIM */
a5bd321b 302 US"550", /* DATA */
8ccd00b1 303#ifndef DISABLE_PRDR
fd98a5c6
JH		 304 US"550", /* RCPT PRDR */
305#endif
a5bd321b
PH		 306 US"0", /* not SMTP; not relevant */
307 US"503", /* AUTH */
308 US"550", /* connect */
309 US"458", /* ETRN */
310 US"550", /* EXPN */
311 US"550", /* HELO/EHLO */
312 US"0", /* MAILAUTH; not relevant */
313 US"0", /* not SMTP; not relevant */
8f128379 314 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 315 US"0", /* QUIT; not relevant */
316 US"550", /* STARTTLS */
723c72e6 317 US"252", /* VRFY */
faa05a93 318 US"0", /* delivery; not relevant */
723c72e6 319 US"0" /* unknown; not relevant */
059ec3d9 320 };
8e669ac1 321
69358f02
PH		 322BOOL active_local_from_check = FALSE;
323BOOL active_local_sender_retain = FALSE;
9cbad13b 324BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
bc3c7bb7 325uschar *add_environment = NULL;
059ec3d9
PH		 326address_item *addr_duplicate = NULL;
327
328address_item address_defaults = {
329 NULL, /* next */
330 NULL, /* parent */
331 NULL, /* first */
332 NULL, /* dupof */
333 NULL, /* start_router */
334 NULL, /* router */
335 NULL, /* transport */
336 NULL, /* host_list */
337 NULL, /* host_used */
338 NULL, /* fallback_hosts */
339 NULL, /* reply */
340 NULL, /* retries */
341 NULL, /* address */
342 NULL, /* unique */
343 NULL, /* cc_local_part */
344 NULL, /* lc_local_part */
345 NULL, /* local_part */
346 NULL, /* prefix */
347 NULL, /* suffix */
348 NULL, /* domain */
349 NULL, /* address_retry_key */
350 NULL, /* domain_retry_key */
351 NULL, /* current_dir */
352 NULL, /* home_dir */
353 NULL, /* message */
354 NULL, /* user_message */
355 NULL, /* onetime_parent */
356 NULL, /* pipe_expandn */
357 NULL, /* return_filename */
358 NULL, /* self_hostname */
359 NULL, /* shadow_message */
895fbaf2 360#ifdef SUPPORT_TLS
059ec3d9 361 NULL, /* cipher */
9d1c15ef
JH		 362 NULL, /* ourcert */
363 NULL, /* peercert */
059ec3d9 364 NULL, /* peerdn */
018058b2 365 OCSP_NOT_REQ, /* ocsp */
895fbaf2
JH		 366#endif
367#ifdef EXPERIMENTAL_DSN_INFO
368 NULL, /* smtp_greeting */
369 NULL, /* helo_response */
370#endif
018c60d7
JH		 371 NULL, /* authenticator */
372 NULL, /* auth_id */
373 NULL, /* auth_sndr */
6c1c3d1d
WB		 374 NULL, /* dsn_orcpt */
375 0, /* dsn_flags */
376 0, /* dsn_aware */
059ec3d9
PH		 377 (uid_t)(-1), /* uid */
378 (gid_t)(-1), /* gid */
379 0, /* flags */
380 { 0 }, /* domain_cache - any larger array should be zeroed */
381 { 0 }, /* localpart_cache - ditto */
382 -1, /* mode */
383 0, /* more_errno */
384 ERRNO_UNKNOWNERROR, /* basic_errno */
385 0, /* child_count */
386 -1, /* return_file */
387 SPECIAL_NONE, /* special_action */
388 DEFER, /* transport_return */
389 { /* fields that are propagated to children */
390 NULL, /* address_data */
391 NULL, /* domain_data */
392 NULL, /* localpart_data */
393 NULL, /* errors_address */
394 NULL, /* extra_headers */
395 NULL, /* remove_headers */
384152a6
TK		 396#ifdef EXPERIMENTAL_SRS
397 NULL, /* srs_sender */
7ade712c 398#endif
8c5d388a 399#ifdef SUPPORT_I18N
7ade712c 400 FALSE, /* utf8 */
384152a6 401#endif
059ec3d9
PH		 402 }
403};
404
405uschar *address_file = NULL;
406uschar *address_pipe = NULL;
407BOOL address_test_mode = FALSE;
408tree_node *addresslist_anchor = NULL;
409int addresslist_count = 0;
410gid_t *admin_groups = NULL;
411BOOL admin_user = FALSE;
c46782ef 412BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH		 413BOOL allow_domain_literals = FALSE;
414BOOL allow_mx_to_ip = FALSE;
415BOOL allow_unqualified_recipient = TRUE; /* For local messages */
416BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
417BOOL allow_utf8_domains = FALSE;
2d07a215 418uschar *authenticated_fail_id = NULL;
059ec3d9
PH		 419uschar *authenticated_id = NULL;
420uschar *authenticated_sender = NULL;
421BOOL authentication_failed = FALSE;
422auth_instance *auths = NULL;
423uschar *auth_advertise_hosts = US"*";
424auth_instance auth_defaults = {
425 NULL, /* chain pointer */
426 NULL, /* name */
427 NULL, /* info */
428 NULL, /* private options block pointer */
429 NULL, /* driver_name */
430 NULL, /* advertise_condition */
6c512171 431 NULL, /* client_condition */
059ec3d9
PH		 432 NULL, /* public_name */
433 NULL, /* set_id */
c8e2fc1e 434 NULL, /* set_client_id */
059ec3d9
PH		 435 NULL, /* server_mail_auth_condition */
436 NULL, /* server_debug_string */
16ff981e 437 NULL, /* server_condition */
059ec3d9
PH		 438 FALSE, /* client */
439 FALSE, /* server */
440 FALSE /* advertised */
441};
442
443uschar *auth_defer_msg = US"reason not recorded";
444uschar *auth_defer_user_msg = US"";
f78eb7c6 445uschar *auth_vars[AUTH_VARS];
059ec3d9 446int auto_thaw = 0;
8523533c 447#ifdef WITH_CONTENT_SCAN
9e949f00 448BOOL av_failed = FALSE;
8523533c
TK		 449uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
450#endif
059ec3d9
PH		 451
452BOOL background_daemon = TRUE;
9a799bc0
PH		 453
454#if BASE_62 == 62
059ec3d9
PH		 455uschar *base62_chars=
456 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 457#else
458uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
459#endif
460
059ec3d9
PH		 461uschar *bi_command = NULL;
462uschar *big_buffer = NULL;
463int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 464#ifdef EXPERIMENTAL_BRIGHTMAIL
465uschar *bmi_alt_location = NULL;
466uschar *bmi_base64_tracker_verdict = NULL;
467uschar *bmi_base64_verdict = NULL;
468uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
469int bmi_deliver = 1;
470int bmi_run = 0;
471uschar *bmi_verdicts = NULL;
472#endif
32b8ce41 473int bsmtp_transaction_linecount = 0;
939c3e34 474int body_8bitmime = 0;
059ec3d9
PH		 475int body_linecount = 0;
476int body_zerocount = 0;
477uschar *bounce_message_file = NULL;
478uschar *bounce_message_text = NULL;
479uschar *bounce_recipient = NULL;
480BOOL bounce_return_body = TRUE;
62b7cd08 481int bounce_return_linesize_limit = 998;
059ec3d9
PH		 482BOOL bounce_return_message = TRUE;
483int bounce_return_size_limit = 100*1024;
484uschar *bounce_sender_authentication = NULL;
32b8ce41 485uschar *builtin_macros_create_trigger = NULL;
059ec3d9 486
055e2cb4 487uschar *callout_address = NULL;
059ec3d9
PH		 488int callout_cache_domain_positive_expire = 7*24*60*60;
489int callout_cache_domain_negative_expire = 3*60*60;
490int callout_cache_positive_expire = 24*60*60;
491int callout_cache_negative_expire = 2*60*60;
492uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 493uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
ddf1b11a
JH		 494int check_log_inodes = 100;
495int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
a0d6ba8a 496BOOL check_rfc2047_length = TRUE;
ddf1b11a
JH		 497int check_spool_inodes = 100;
498int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
18481de3 499
aa368db3 500uschar *chunking_advertise_hosts = US"*";
18481de3 501unsigned chunking_datasize = 0;
7e3ce68e
JH		 502unsigned chunking_data_left = 0;
503BOOL chunking_offered = FALSE;
18481de3 504chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
f98442df 505const pcre *regex_CHUNKING = NULL;
18481de3 506
aa368db3
JH		 507uschar *client_authenticator = NULL;
508uschar *client_authenticated_id = NULL;
509uschar *client_authenticated_sender = NULL;
059ec3d9
PH		 510int clmacro_count = 0;
511uschar *clmacros[MAX_CLMACROS];
512BOOL config_changed = FALSE;
513FILE *config_file = NULL;
18d6b513 514const uschar *config_filename = NULL;
059ec3d9 515int config_lineno = 0;
35edf2ff
PH		 516#ifdef CONFIGURE_GROUP
517gid_t config_gid = CONFIGURE_GROUP;
19bfe9e7
HSHR		 518#else
519gid_t config_gid = 0;
35edf2ff 520#endif
059ec3d9
PH		 521uschar *config_main_filelist = US CONFIGURE_FILE
522 "\0<-----------Space to patch configure_filename->";
523uschar *config_main_filename = NULL;
98b8312f 524uschar *config_main_directory = NULL;
059ec3d9
PH		 525
526#ifdef CONFIGURE_OWNER
527uid_t config_uid = CONFIGURE_OWNER;
19bfe9e7
HSHR		 528#else
529uid_t config_uid = 0;
059ec3d9
PH		 530#endif
531
532int connection_max_messages= -1;
5013d912 533uschar *continue_proxy_cipher = NULL;
059ec3d9
PH		 534uschar *continue_hostname = NULL;
535uschar *continue_host_address = NULL;
536BOOL continue_more = FALSE;
537int continue_sequence = 1;
538uschar *continue_transport = NULL;
539
e5a9dba6 540uschar *csa_status = NULL;
5032d1cf 541cut_t cutthrough = {
57cc2785 542 FALSE, /* verify-only: normal delivery */
5032d1cf 543 FALSE, /* delivery: when to attempt */
ff5929e3 544 FALSE, /* on defer: spool locally */
57cc2785 545 FALSE, /* not a TLS conn yet */
5032d1cf
JH		 546 -1, /* fd: open connection */
547 0, /* nrcpt: number of addresses */
548};
e5a9dba6 549
059ec3d9
PH		 550BOOL daemon_listen = FALSE;
551uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 552int daemon_startup_retries = 9;
553int daemon_startup_sleep = 30;
6a8f9482
TK		 554
555#ifdef EXPERIMENTAL_DCC
556BOOL dcc_direct_add_header = FALSE;
557uschar *dcc_header = NULL;
558uschar *dcc_result = NULL;
559uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
560uschar *dccifd_options = US"header";
561#endif
562
3d235903 563BOOL debug_daemon = FALSE;
059ec3d9
PH		 564int debug_fd = -1;
565FILE *debug_file = NULL;
6c6d6e48
TF		 566int debug_notall[] = {
567 Di_memory,
568 -1
059ec3d9 569};
6c6d6e48
TF		 570bit_table debug_options[] = { /* must be in alphabetical order */
571 BIT_TABLE(D, acl),
572 BIT_TABLE(D, all),
573 BIT_TABLE(D, auth),
574 BIT_TABLE(D, deliver),
575 BIT_TABLE(D, dns),
576 BIT_TABLE(D, dnsbl),
577 BIT_TABLE(D, exec),
578 BIT_TABLE(D, expand),
579 BIT_TABLE(D, filter),
580 BIT_TABLE(D, hints_lookup),
581 BIT_TABLE(D, host_lookup),
582 BIT_TABLE(D, ident),
583 BIT_TABLE(D, interface),
584 BIT_TABLE(D, lists),
585 BIT_TABLE(D, load),
586 BIT_TABLE(D, local_scan),
587 BIT_TABLE(D, lookup),
588 BIT_TABLE(D, memory),
589 BIT_TABLE(D, pid),
590 BIT_TABLE(D, process_info),
591 BIT_TABLE(D, queue_run),
592 BIT_TABLE(D, receive),
593 BIT_TABLE(D, resolver),
594 BIT_TABLE(D, retry),
595 BIT_TABLE(D, rewrite),
596 BIT_TABLE(D, route),
597 BIT_TABLE(D, timestamp),
598 BIT_TABLE(D, tls),
599 BIT_TABLE(D, transport),
600 BIT_TABLE(D, uid),
601 BIT_TABLE(D, verify),
602};
603int debug_options_count = nelem(debug_options);
604
059ec3d9 605unsigned int debug_selector = 0;
64073d9c 606BOOL debug_store = FALSE;
059ec3d9 607int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 608uschar *delay_warning_condition=
609 US"${if or {"
e85a7ad5 610 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 611 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
612 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
613 "} {no}{yes}}";
059ec3d9
PH		 614BOOL delivery_date_remove = TRUE;
615uschar *deliver_address_data = NULL;
616int deliver_datafile = -1;
55414b25 617const uschar *deliver_domain = NULL;
059ec3d9 618uschar *deliver_domain_data = NULL;
55414b25
JH		 619const uschar *deliver_domain_orig = NULL;
620const uschar *deliver_domain_parent = NULL;
059ec3d9
PH		 621BOOL deliver_drop_privilege = FALSE;
622BOOL deliver_firsttime = FALSE;
623BOOL deliver_force = FALSE;
624BOOL deliver_freeze = FALSE;
19050083 625time_t deliver_frozen_at = 0;
059ec3d9 626uschar *deliver_home = NULL;
55414b25
JH		 627const uschar *deliver_host = NULL;
628const uschar *deliver_host_address = NULL;
a7538db1 629int deliver_host_port = 0;
059ec3d9
PH		 630uschar *deliver_in_buffer = NULL;
631ino_t deliver_inode = 0;
632uschar *deliver_localpart = NULL;
633uschar *deliver_localpart_data = NULL;
634uschar *deliver_localpart_orig = NULL;
635uschar *deliver_localpart_parent = NULL;
636uschar *deliver_localpart_prefix = NULL;
637uschar *deliver_localpart_suffix = NULL;
638BOOL deliver_force_thaw = FALSE;
639BOOL deliver_manual_thaw = FALSE;
640uschar *deliver_out_buffer = NULL;
641int deliver_queue_load_max = -1;
642address_item *deliver_recipients = NULL;
643uschar *deliver_selectstring = NULL;
644BOOL deliver_selectstring_regex = FALSE;
645uschar *deliver_selectstring_sender = NULL;
646BOOL deliver_selectstring_sender_regex = FALSE;
4c590bd1 647BOOL disable_callout_flush = FALSE;
047bdd8c 648BOOL disable_delay_flush = FALSE;
54fc8428
PH		 649#ifdef ENABLE_DISABLE_FSYNC
650BOOL disable_fsync = FALSE;
651#endif
7e66e54d 652BOOL disable_ipv6 = FALSE;
059ec3d9
PH		 653BOOL disable_logging = FALSE;
654
80a47a2c 655#ifndef DISABLE_DKIM
abe1010c 656BOOL dkim_collect_input = FALSE;
2df588c9 657uschar *dkim_cur_signer = NULL;
abe1010c
JH		 658BOOL dkim_disable_verify = FALSE;
659int dkim_key_length = 0;
9e5d6b55 660uschar *dkim_signers = NULL;
f7572e5a
TK		 661uschar *dkim_signing_domain = NULL;
662uschar *dkim_signing_selector = NULL;
9e5d6b55 663uschar *dkim_verify_signers = US"$dkim_signers";
f7572e5a 664#endif
4840604e 665#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 666BOOL dmarc_has_been_checked = FALSE;
4840604e 667uschar *dmarc_ar_header = NULL;
8c8b8274 668uschar *dmarc_domain_policy = NULL;
4840604e
TL		 669uschar *dmarc_forensic_sender = NULL;
670uschar *dmarc_history_file = NULL;
671uschar *dmarc_status = NULL;
672uschar *dmarc_status_text = NULL;
673uschar *dmarc_tld_file = NULL;
674uschar *dmarc_used_domain = NULL;
675BOOL dmarc_disable_verify = FALSE;
676BOOL dmarc_enable_forensic = FALSE;
677#endif
f7572e5a 678
059ec3d9 679uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH		 680int dns_csa_search_limit = 5;
681BOOL dns_csa_use_reverse = TRUE;
e682570f
TL		 682#ifdef EXPERIMENTAL_DANE
683int dns_dane_ok = -1;
684#endif
059ec3d9
PH		 685uschar *dns_ipv4_lookup = NULL;
686int dns_retrans = 0;
687int dns_retry = 0;
0fbd9bff 688int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 689uschar *dns_trust_aa = NULL;
e97d1f08 690int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 691uschar *dnslist_domain = NULL;
93655c46 692uschar *dnslist_matched = NULL;
059ec3d9
PH		 693uschar *dnslist_text = NULL;
694uschar *dnslist_value = NULL;
695tree_node *domainlist_anchor = NULL;
696int domainlist_count = 0;
697BOOL dont_deliver = FALSE;
698BOOL dot_ends = TRUE;
699BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 700uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH		 701
702BOOL enable_dollar_recipients = FALSE;
703BOOL envelope_to_remove = TRUE;
704int errno_quota = ERRNO_QUOTA;
705uschar *errors_copy = NULL;
706int error_handling = ERRORS_SENDER;
707uschar *errors_reply_to = NULL;
708int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 709#ifndef DISABLE_EVENT
723fe533 710uschar *event_action = NULL; /* expansion for delivery events */
4c04137d 711uschar *event_data = NULL; /* auxiliary data variable for event */
723fe533 712int event_defer_errno = 0;
55414b25 713const uschar *event_name = NULL; /* event name variable */
723fe533
JH		 714#endif
715
059ec3d9
PH		 716
717gid_t exim_gid = EXIM_GID;
718BOOL exim_gid_set = TRUE; /* This gid is always set */
719uschar *exim_path = US BIN_DIRECTORY "/exim"
720 "\0<---------------Space to patch exim_path->";
721uid_t exim_uid = EXIM_UID;
722BOOL exim_uid_set = TRUE; /* This uid is always set */
e1d04f48 723int expand_level = 0; /* Nesting depth, indent for debug */
059ec3d9
PH		 724int expand_forbid = 0;
725int expand_nlength[EXPAND_MAXN+1];
726int expand_nmax = -1;
727uschar *expand_nstring[EXPAND_MAXN+1];
728BOOL expand_string_forcedfail = FALSE;
729uschar *expand_string_message;
730BOOL extract_addresses_remove_arguments = TRUE;
731uschar *extra_local_interfaces = NULL;
732
29aba418 733int fake_response = OK;
0e22dfd1
PH		 734uschar *fake_response_text = US"Your message has been rejected but is "
735 "being kept for evaluation.\nIf it was a "
736 "legitimate message, it may still be "
737 "delivered to the target recipient(s).";
059ec3d9
PH		 738int filter_n[FILTER_VARIABLE_COUNT];
739BOOL filter_running = FALSE;
740int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 741int filter_test = FTEST_NONE;
742uschar *filter_test_sfile = NULL;
743uschar *filter_test_ufile = NULL;
059ec3d9
PH		 744uschar *filter_thisaddress = NULL;
745int finduser_retries = 0;
746uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
747uschar *freeze_tell = NULL;
6a3f1455 748uschar *freeze_tell_config = NULL;
059ec3d9
PH		 749uschar *fudged_queue_times = US"";
750
751uschar *gecos_name = NULL;
752uschar *gecos_pattern = NULL;
753rewrite_rule *global_rewrite_rules = NULL;
754
755uschar *headers_charset = US HEADERS_CHARSET;
756int header_insert_maxlen = 64 * 1024;
757header_line *header_last = NULL;
758header_line *header_list = NULL;
759int header_maxsize = HEADER_MAXSIZE;
760int header_line_maxsize = 0;
761
762header_name header_names[] = {
763 { US"bcc", 3, TRUE, htype_bcc },
764 { US"cc", 2, TRUE, htype_cc },
765 { US"date", 4, TRUE, htype_date },
766 { US"delivery-date", 13, FALSE, htype_delivery_date },
767 { US"envelope-to", 11, FALSE, htype_envelope_to },
768 { US"from", 4, TRUE, htype_from },
769 { US"message-id", 10, TRUE, htype_id },
770 { US"received", 8, FALSE, htype_received },
771 { US"reply-to", 8, FALSE, htype_reply_to },
772 { US"return-path", 11, FALSE, htype_return_path },
773 { US"sender", 6, TRUE, htype_sender },
774 { US"subject", 7, FALSE, htype_subject },
775 { US"to", 2, TRUE, htype_to }
776};
777
778int header_names_size = sizeof(header_names)/sizeof(header_name);
779
780BOOL header_rewritten = FALSE;
781uschar *helo_accept_junk_hosts = NULL;
782uschar *helo_allow_chars = US"";
783uschar *helo_lookup_domains = US"@ : @[]";
784uschar *helo_try_verify_hosts = NULL;
785BOOL helo_verified = FALSE;
d7b47fd0 786BOOL helo_verify_failed = FALSE;
059ec3d9 787uschar *helo_verify_hosts = NULL;
1ba28e2b 788const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH		 789uschar *hold_domains = NULL;
790BOOL host_checking = FALSE;
791BOOL host_checking_callout = FALSE;
792uschar *host_data = NULL;
793BOOL host_find_failed_syntax= FALSE;
794uschar *host_lookup = NULL;
b08b24c8 795BOOL host_lookup_deferred = FALSE;
059ec3d9
PH		 796BOOL host_lookup_failed = FALSE;
797uschar *host_lookup_order = US"bydns:byaddr";
798uschar *host_lookup_msg = US"";
799int host_number = 0;
800uschar *host_number_string = NULL;
801uschar *host_reject_connection = NULL;
802tree_node *hostlist_anchor = NULL;
803int hostlist_count = 0;
804uschar *hosts_treat_as_local = NULL;
805uschar *hosts_connection_nolog = NULL;
806
807int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
808BOOL ignore_fromline_local = FALSE;
809uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP		 810BOOL inetd_wait_mode = FALSE;
811int inetd_wait_timeout = -1;
3615fa9a 812uschar *initial_cwd = NULL;
059ec3d9
PH		 813uschar *interface_address = NULL;
814int interface_port = -1;
815BOOL is_inetd = FALSE;
0ce9abe6 816uschar *iterate_item = NULL;
059ec3d9
PH		 817
818int journal_fd = -1;
819
bc3c7bb7
HSHR		 820uschar *keep_environment = NULL;
821
059ec3d9
PH		 822int keep_malformed = 4*24*60*60; /* 4 days */
823
824uschar *eldap_dn = NULL;
825int load_average = -2;
826BOOL local_error_message = FALSE;
827BOOL local_from_check = TRUE;
828uschar *local_from_prefix = NULL;
829uschar *local_from_suffix = NULL;
830
831#if HAVE_IPV6
832uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
833#else
834uschar *local_interfaces = US"0.0.0.0";
835#endif
836
837uschar *local_scan_data = NULL;
838int local_scan_timeout = 5*60;
839BOOL local_sender_retain = FALSE;
840gid_t local_user_gid = (gid_t)(-1);
841uid_t local_user_uid = (uid_t)(-1);
842
843tree_node *localpartlist_anchor= NULL;
844int localpartlist_count = 0;
845uschar *log_buffer = NULL;
6c6d6e48
TF		 846
847int log_default[] = { /* for initializing log_selector */
848 Li_acl_warn_skipped,
849 Li_connection_reject,
850 Li_delay_delivery,
851 Li_dnslist_defer,
852 Li_etrn,
853 Li_host_lookup_failed,
854 Li_lost_incoming_connection,
ac881e27 855 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF		 856 Li_queue_run,
857 Li_rejected_header,
858 Li_retry_defer,
859 Li_sender_verify_fail,
860 Li_size_reject,
861 Li_skip_delivery,
862 Li_smtp_confirmation,
863 Li_tls_certificate_verified,
864 Li_tls_cipher,
865 -1
866};
867
059ec3d9
PH		 868uschar *log_file_path = US LOG_FILE_PATH
869 "\0<--------------Space to patch log_file_path->";
870
6c6d6e48
TF		 871int log_notall[] = {
872 -1
873};
874bit_table log_options[] = { /* must be in alphabetical order */
875 BIT_TABLE(L, 8bitmime),
876 BIT_TABLE(L, acl_warn_skipped),
877 BIT_TABLE(L, address_rewrite),
878 BIT_TABLE(L, all),
879 BIT_TABLE(L, all_parents),
880 BIT_TABLE(L, arguments),
881 BIT_TABLE(L, connection_reject),
882 BIT_TABLE(L, delay_delivery),
883 BIT_TABLE(L, deliver_time),
884 BIT_TABLE(L, delivery_size),
885 BIT_TABLE(L, dnslist_defer),
fc16abb4 886 BIT_TABLE(L, dnssec),
6c6d6e48
TF		 887 BIT_TABLE(L, etrn),
888 BIT_TABLE(L, host_lookup_failed),
889 BIT_TABLE(L, ident_timeout),
890 BIT_TABLE(L, incoming_interface),
891 BIT_TABLE(L, incoming_port),
892 BIT_TABLE(L, lost_incoming_connection),
ac881e27 893 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF		 894 BIT_TABLE(L, outgoing_port),
895 BIT_TABLE(L, pid),
e6d2a989 896#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
6c6d6e48
TF		 897 BIT_TABLE(L, proxy),
898#endif
899 BIT_TABLE(L, queue_run),
900 BIT_TABLE(L, queue_time),
901 BIT_TABLE(L, queue_time_overall),
902 BIT_TABLE(L, received_recipients),
903 BIT_TABLE(L, received_sender),
904 BIT_TABLE(L, rejected_header),
905 { US"rejected_headers", Li_rejected_header },
906 BIT_TABLE(L, retry_defer),
907 BIT_TABLE(L, return_path_on_delivery),
908 BIT_TABLE(L, sender_on_delivery),
909 BIT_TABLE(L, sender_verify_fail),
910 BIT_TABLE(L, size_reject),
911 BIT_TABLE(L, skip_delivery),
912 BIT_TABLE(L, smtp_confirmation),
913 BIT_TABLE(L, smtp_connection),
914 BIT_TABLE(L, smtp_incomplete_transaction),
915 BIT_TABLE(L, smtp_mailauth),
916 BIT_TABLE(L, smtp_no_mail),
917 BIT_TABLE(L, smtp_protocol_error),
918 BIT_TABLE(L, smtp_syntax_error),
919 BIT_TABLE(L, subject),
920 BIT_TABLE(L, tls_certificate_verified),
921 BIT_TABLE(L, tls_cipher),
922 BIT_TABLE(L, tls_peerdn),
923 BIT_TABLE(L, tls_sni),
924 BIT_TABLE(L, unknown_in_list),
059ec3d9 925};
6c6d6e48 926int log_options_count = nelem(log_options);
059ec3d9 927
6ea85e9a 928int log_reject_target = 0;
6c6d6e48 929unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH		 930uschar *log_selector_string = NULL;
931FILE *log_stderr = NULL;
932BOOL log_testing_mode = FALSE;
933BOOL log_timezone = FALSE;
934uschar *login_sender_address = NULL;
4e0983dc 935uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH		 936int lookup_open_max = 25;
937uschar *lookup_value = NULL;
938
939macro_item *macros = NULL;
c193398d 940macro_item *mlast = NULL;
8e6c4db1 941BOOL macros_builtin_created = FALSE;
059ec3d9 942uschar *mailstore_basename = NULL;
8523533c
TK		 943#ifdef WITH_CONTENT_SCAN
944uschar *malware_name = NULL; /* Virus Name */
945#endif
d677b2f2 946int max_received_linelength= 0;
059ec3d9
PH		 947int max_username_length = 0;
948int message_age = 0;
949uschar *message_body = NULL;
950uschar *message_body_end = NULL;
ddea74fa 951BOOL message_body_newlines = FALSE;
059ec3d9
PH		 952int message_body_size = 0;
953int message_body_visible = 500;
954int message_ended = END_NOTSTARTED;
955uschar *message_headers = NULL;
956uschar *message_id;
957uschar *message_id_domain = NULL;
958uschar *message_id_text = NULL;
959struct timeval message_id_tv = { 0, 0 };
960uschar message_id_option[MESSAGE_ID_LENGTH + 3];
961uschar *message_id_external;
962int message_linecount = 0;
963BOOL message_logs = TRUE;
964int message_size = 0;
965uschar *message_size_limit = US"50M";
8c5d388a 966#ifdef SUPPORT_I18N
eb02f5df 967BOOL message_smtputf8 = FALSE;
3c8b3577 968int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 969#endif
059ec3d9
PH		 970uschar message_subdir[2] = { 0, 0 };
971uschar *message_reference = NULL;
8523533c
TK		 972
973/* MIME ACL expandables */
974#ifdef WITH_CONTENT_SCAN
f7b63901 975int mime_anomaly_level = 0;
1ba28e2b 976const uschar *mime_anomaly_text = NULL;
8523533c
TK		 977uschar *mime_boundary = NULL;
978uschar *mime_charset = NULL;
979uschar *mime_content_description = NULL;
980uschar *mime_content_disposition = NULL;
981uschar *mime_content_id = NULL;
982unsigned int mime_content_size = 0;
983uschar *mime_content_transfer_encoding = NULL;
984uschar *mime_content_type = NULL;
985uschar *mime_decoded_filename = NULL;
986uschar *mime_filename = NULL;
987int mime_is_multipart = 0;
988int mime_is_coverletter = 0;
989int mime_is_rfc822 = 0;
990int mime_part_count = -1;
991#endif
992
059ec3d9
PH		 993BOOL mua_wrapper = FALSE;
994
995uid_t *never_users = NULL;
8523533c
TK		 996#ifdef WITH_CONTENT_SCAN
997BOOL no_mbox_unspool = FALSE;
998#endif
059ec3d9
PH		 999BOOL no_multiline_responses = FALSE;
1000
fb05276a
JH		 1001const int on = 1; /* for setsockopt */
1002const int off = 0;
1003
059ec3d9
PH		 1004uid_t original_euid;
1005gid_t originator_gid;
1006uschar *originator_login = NULL;
1007uschar *originator_name = NULL;
1008uid_t originator_uid;
1009uschar *override_local_interfaces = NULL;
1010uschar *override_pid_file_path = NULL;
1011
1012BOOL parse_allow_group = FALSE;
1013BOOL parse_found_group = FALSE;
1014uschar *percent_hack_domains = NULL;
1015uschar *pid_file_path = US PID_FILE_PATH
1016 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 1017BOOL pipelining_enable = TRUE;
059ec3d9
PH		 1018uschar *pipelining_advertise_hosts = US"*";
1019BOOL preserve_message_logs = FALSE;
1020uschar *primary_hostname = NULL;
1021BOOL print_topbitchars = FALSE;
1022uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1023int process_info_len = 0;
059ec3d9
PH		 1024uschar *process_log_path = NULL;
1025BOOL prod_requires_admin = TRUE;
a3c86431 1026
e6d2a989 1027#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 1028uschar *hosts_proxy = US"";
e6d2a989
JH		 1029uschar *proxy_external_address = US"";
1030int proxy_external_port = 0;
1031uschar *proxy_local_address = US"";
1032int proxy_local_port = 0;
a3c86431
TL		 1033BOOL proxy_session = FALSE;
1034BOOL proxy_session_failed = FALSE;
1035#endif
1036
fffda43a
TK		 1037uschar *prvscheck_address = NULL;
1038uschar *prvscheck_keynum = NULL;
1039uschar *prvscheck_result = NULL;
1040
059ec3d9 1041
55414b25 1042const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH		 1043uschar *qualify_domain_sender = NULL;
1044BOOL queue_2stage = FALSE;
1045uschar *queue_domains = NULL;
1046int queue_interval = -1;
1047BOOL queue_list_requires_admin = TRUE;
a2da3176 1048uschar *queue_name = US"";
059ec3d9
PH		 1049BOOL queue_only = FALSE;
1050uschar *queue_only_file = NULL;
1051int queue_only_load = -1;
8669f003 1052BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 1053BOOL queue_only_override = TRUE;
1054BOOL queue_only_policy = FALSE;
1055BOOL queue_run_first_delivery = FALSE;
1056BOOL queue_run_force = FALSE;
1057BOOL queue_run_in_order = FALSE;
1058BOOL queue_run_local = FALSE;
0cd5fd23 1059uschar *queue_run_max = US"5";
059ec3d9
PH		 1060pid_t queue_run_pid = (pid_t)0;
1061int queue_run_pipe = -1;
1062BOOL queue_running = FALSE;
1063BOOL queue_smtp = FALSE;
1064uschar *queue_smtp_domains = NULL;
1065
1066unsigned int random_seed = 0;
fe0dab11 1067tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 1068tree_node *ratelimiters_conn = NULL;
1069tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 1070uschar *raw_active_hostname = NULL;
1071uschar *raw_sender = NULL;
1072uschar **raw_recipients = NULL;
1073int raw_recipients_count = 0;
1074
1075int rcpt_count = 0;
1076int rcpt_fail_count = 0;
1077int rcpt_defer_count = 0;
1078gid_t real_gid;
1079uid_t real_uid;
1080BOOL really_exim = TRUE;
1081BOOL receive_call_bombout = FALSE;
1082int receive_linecount = 0;
1083int receive_messagecount = 0;
1084int receive_timeout = 0;
1085int received_count = 0;
1086uschar *received_for = NULL;
1087
1088/* This is the default text for Received headers generated by Exim. The
1089date will be automatically added on the end. */
1090
1091uschar *received_header_text = US
1092 "Received: "
1093 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1094 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 1095 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1096 "by $primary_hostname "
1097 "${if def:received_protocol {with $received_protocol}} "
1098 #ifdef SUPPORT_TLS
1099 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1100 #endif
1101 "(Exim $version_number)\n\t"
3e46c1aa 1102 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1103 "id $message_exim_id"
059ec3d9
PH		 1104 "${if def:received_for {\n\tfor $received_for}}"
1105 "\0<---------------Space to patch received_header_text->";
1106
1107int received_headers_max = 30;
1108uschar *received_protocol = NULL;
1109int received_time = 0;
1110uschar *recipient_data = NULL;
1111uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1112uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 1113int recipients_count = 0;
1114BOOL recipients_discarded = FALSE;
1115recipient_item *recipients_list = NULL;
1116int recipients_list_max = 0;
1117int recipients_max = 0;
1118BOOL recipients_max_reject = FALSE;
1119const pcre *regex_AUTH = NULL;
1120const pcre *regex_check_dns_names = NULL;
1121const pcre *regex_From = NULL;
f1513293 1122const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1123const pcre *regex_PIPELINING = NULL;
1124const pcre *regex_SIZE = NULL;
1125const pcre *regex_ismsgid = NULL;
f38917cc
JH		 1126const pcre *regex_smtp_code = NULL;
1127uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP		 1128#ifdef WHITELIST_D_MACROS
1129const pcre *regex_whitelisted_macro = NULL;
1130#endif
8523533c
TK		 1131#ifdef WITH_CONTENT_SCAN
1132uschar *regex_match_string = NULL;
1133#endif
059ec3d9
PH		 1134int remote_delivery_count = 0;
1135int remote_max_parallel = 2;
1136uschar *remote_sort_domains = NULL;
1137int retry_data_expire = 7*24*60*60;
1138int retry_interval_max = 24*60*60;
1139int retry_maximum_timeout = 0; /* set from retry config */
1140retry_config *retries = NULL;
1141uschar *return_path = NULL;
1142BOOL return_path_remove = TRUE;
1143int rewrite_existflags = 0;
f926e272
JH		 1144uschar *rfc1413_hosts = US"@[]";
1145int rfc1413_query_timeout = 0;
059ec3d9 1146/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1147uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1148uid_t root_uid = ROOT_UID;
1149
1150router_instance *routers = NULL;
1151router_instance router_defaults = {
1152 NULL, /* chain pointer */
1153 NULL, /* name */
1154 NULL, /* info */
1155 NULL, /* private options block pointer */
1156 NULL, /* driver name */
1157
1158 NULL, /* address_data */
8523533c
TK		 1159#ifdef EXPERIMENTAL_BRIGHTMAIL
1160 NULL, /* bmi_rule */
8e669ac1 1161#endif
059ec3d9
PH		 1162 NULL, /* cannot_route_message */
1163 NULL, /* condition */
1164 NULL, /* current_directory */
1165 NULL, /* debug_string */
1166 NULL, /* domains */
1167 NULL, /* errors_to */
1168 NULL, /* expand_gid */
1169 NULL, /* expand_uid */
1170 NULL, /* expand_more */
1171 NULL, /* expand_unseen */
1172 NULL, /* extra_headers */
1173 NULL, /* fallback_hosts */
1174 NULL, /* home_directory */
1175 NULL, /* ignore_target_hosts */
1176 NULL, /* local_parts */
1177 NULL, /* pass_router_name */
1178 NULL, /* prefix */
1179 NULL, /* redirect_router_name */
1180 NULL, /* remove_headers */
1181 NULL, /* require_files */
1182 NULL, /* router_home_directory */
1183 US"freeze", /* self */
1184 NULL, /* senders */
1185 NULL, /* suffix */
1186 NULL, /* translate_ip_address */
1187 NULL, /* transport_name */
1188
1189 TRUE, /* address_test */
8523533c
TK		 1190#ifdef EXPERIMENTAL_BRIGHTMAIL
1191 FALSE, /* bmi_deliver_alternate */
1192 FALSE, /* bmi_deliver_default */
1193 FALSE, /* bmi_dont_deliver */
1194#endif
059ec3d9
PH		 1195 TRUE, /* expn */
1196 FALSE, /* caseful_local_part */
1197 FALSE, /* check_local_user */
1198 FALSE, /* disable_logging */
1199 FALSE, /* fail_verify_recipient */
1200 FALSE, /* fail_verify_sender */
1201 FALSE, /* gid_set */
1202 FALSE, /* initgroups */
1203 TRUE_UNSET, /* log_as_local */
1204 TRUE, /* more */
1205 FALSE, /* pass_on_timeout */
1206 FALSE, /* prefix_optional */
1207 TRUE, /* repeat_use */
1208 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1209 FALSE, /* same_domain_copy_routing */
1210 FALSE, /* self_rewrite */
1211 FALSE, /* suffix_optional */
1212 FALSE, /* verify_only */
1213 TRUE, /* verify_recipient */
1214 TRUE, /* verify_sender */
1215 FALSE, /* uid_set */
1216 FALSE, /* unseen */
6c1c3d1d 1217 FALSE, /* dsn_lasthop */
059ec3d9
PH		 1218
1219 self_freeze, /* self_code */
1220 (uid_t)(-1), /* uid */
1221 (gid_t)(-1), /* gid */
1222
1223 NULL, /* fallback_hostlist */
1224 NULL, /* transport instance */
1225 NULL, /* pass_router */
99c1bb4e
HSHR		 1226 NULL, /* redirect_router */
1227
0539a19d 1228 { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH		 1229};
1230
181d9bf8
JH		 1231uschar *router_name = NULL;
1232
059ec3d9
PH		 1233ip_address_item *running_interfaces = NULL;
1234BOOL running_in_test_harness = FALSE;
1235
1236/* This is a weird one. The following string gets patched in the binary by the
1237script that sets up a copy of Exim for running in the test harness. It seems
1238that compilers are now clever, and share constant strings if they can.
1239Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1240make use of the end of this string in order to save space. So the patching then
8669f003 1241wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1242onto the end of the string. */
1243
1244uschar *running_status = US">>>running<<<" "\0EXTRA";
1245
1246int runrc = 0;
1247
1248uschar *search_error_message = NULL;
1249BOOL search_find_defer = FALSE;
1250uschar *self_hostname = NULL;
1251uschar *sender_address = NULL;
1252unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1253uschar *sender_address_data = NULL;
059ec3d9
PH		 1254BOOL sender_address_forced = FALSE;
1255uschar *sender_address_unrewritten = NULL;
1256uschar *sender_data = NULL;
1257unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1258uschar *sender_fullhost = NULL;
1705dd20 1259BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH		 1260uschar *sender_helo_name = NULL;
1261uschar **sender_host_aliases = &no_aliases;
1262uschar *sender_host_address = NULL;
1263uschar *sender_host_authenticated = NULL;
1264unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1265BOOL sender_host_dnssec = FALSE;
059ec3d9
PH		 1266uschar *sender_host_name = NULL;
1267int sender_host_port = 0;
1268BOOL sender_host_notsocket = FALSE;
1269BOOL sender_host_unknown = FALSE;
1270uschar *sender_ident = NULL;
1271BOOL sender_local = FALSE;
2fe1a124 1272BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1273uschar *sender_rate = NULL;
1274uschar *sender_rate_limit = NULL;
1275uschar *sender_rate_period = NULL;
059ec3d9
PH		 1276uschar *sender_rcvhost = NULL;
1277BOOL sender_set_untrusted = FALSE;
1278uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1279uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1280address_item *sender_verified_list = NULL;
1281address_item *sender_verified_failed = NULL;
1282int sender_verified_rc = -1;
1283BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1284uschar *sending_ip_address = NULL;
1285int sending_port = -1;
cd59ab18 1286SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1287uschar **sighup_argv = NULL;
846430d9 1288int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH		 1289int smtp_accept_count = 0;
1290BOOL smtp_accept_keepalive = TRUE;
1291int smtp_accept_max = 20;
1292int smtp_accept_max_nonmail= 10;
1293uschar *smtp_accept_max_nonmail_hosts = US"*";
1294int smtp_accept_max_per_connection = 1000;
1295uschar *smtp_accept_max_per_host = NULL;
1296int smtp_accept_queue = 0;
1297int smtp_accept_queue_per_connection = 10;
1298int smtp_accept_reserve = 0;
1299uschar *smtp_active_hostname = NULL;
1300BOOL smtp_authenticated = FALSE;
1f5b4c3d 1301uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1302 "Exim $version_number $tod_full"
1303 "\0<---------------Space to patch smtp_banner->";
1304BOOL smtp_batched_input = FALSE;
1305BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1306int smtp_ch_index = 0;
3ee512ff
PH		 1307uschar *smtp_cmd_argument = NULL;
1308uschar *smtp_cmd_buffer = NULL;
b4ed4da0
PH		 1309time_t smtp_connection_start = 0;
1310uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1311int smtp_connect_backlog = 20;
1312double smtp_delay_mail = 0.0;
1313double smtp_delay_rcpt = 0.0;
1314BOOL smtp_enforce_sync = TRUE;
1315FILE *smtp_in = NULL;
1316BOOL smtp_input = FALSE;
1317int smtp_load_reserve = -1;
1318int smtp_mailcmd_count = 0;
1319FILE *smtp_out = NULL;
1320uschar *smtp_etrn_command = NULL;
1321BOOL smtp_etrn_serialize = TRUE;
1322int smtp_max_synprot_errors= 3;
1323int smtp_max_unknown_commands = 3;
8f128379 1324uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1325uschar *smtp_ratelimit_hosts = NULL;
1326uschar *smtp_ratelimit_mail = NULL;
1327uschar *smtp_ratelimit_rcpt = NULL;
1328uschar *smtp_read_error = US"";
1329int smtp_receive_timeout = 5*60;
1ad6489e 1330uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH		 1331uschar *smtp_reserve_hosts = NULL;
1332BOOL smtp_return_error_details = FALSE;
1333int smtp_rlm_base = 0;
1334double smtp_rlm_factor = 0.0;
1335int smtp_rlm_limit = 0;
1336int smtp_rlm_threshold = INT_MAX;
1337int smtp_rlr_base = 0;
1338double smtp_rlr_factor = 0.0;
1339int smtp_rlr_limit = 0;
1340int smtp_rlr_threshold = INT_MAX;
2d14f397
JH		 1341unsigned smtp_peer_options = 0;
1342unsigned smtp_peer_options_wrap= 0;
8c5d388a 1343#ifdef SUPPORT_I18N
9d4319df 1344uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1345#endif
8523533c
TK		 1346
1347#ifdef WITH_CONTENT_SCAN
1348uschar *spamd_address = US"127.0.0.1 783";
1349uschar *spam_bar = NULL;
1350uschar *spam_report = NULL;
c5f280e2 1351uschar *spam_action = NULL;
8523533c
TK		 1352uschar *spam_score = NULL;
1353uschar *spam_score_int = NULL;
1354#endif
1355#ifdef EXPERIMENTAL_SPF
65a7d8c3 1356uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1357uschar *spf_header_comment = NULL;
1358uschar *spf_received = NULL;
1359uschar *spf_result = NULL;
1360uschar *spf_smtp_comment = NULL;
1361#endif
1362
059ec3d9
PH		 1363BOOL split_spool_directory = FALSE;
1364uschar *spool_directory = US SPOOL_DIRECTORY
1365 "\0<--------------Space to patch spool_directory->";
328c5688
JH		 1366BOOL spool_file_wireformat = FALSE;
1367BOOL spool_wireformat = FALSE;
8523533c
TK		 1368#ifdef EXPERIMENTAL_SRS
1369uschar *srs_config = NULL;
1370uschar *srs_db_address = NULL;
1371uschar *srs_db_key = NULL;
384152a6
TK		 1372int srs_hashlength = 6;
1373int srs_hashmin = -1;
1374int srs_maxage = 31;
8523533c
TK		 1375uschar *srs_orig_recipient = NULL;
1376uschar *srs_orig_sender = NULL;
1377uschar *srs_recipient = NULL;
384152a6 1378uschar *srs_secrets = NULL;
8523533c 1379uschar *srs_status = NULL;
384152a6
TK		 1380BOOL srs_usehash = TRUE;
1381BOOL srs_usetimestamp = TRUE;
8e669ac1 1382#endif
38a0a95f 1383BOOL strict_acl_vars = FALSE;
059ec3d9 1384int string_datestamp_offset= -1;
f1e5fef5
PP		 1385int string_datestamp_length= 0;
1386int string_datestamp_type = -1;
059ec3d9
PH		 1387BOOL strip_excess_angle_brackets = FALSE;
1388BOOL strip_trailing_dot = FALSE;
1389uschar *submission_domain = NULL;
1390BOOL submission_mode = FALSE;
2fe1a124 1391uschar *submission_name = NULL;
8800895a 1392BOOL suppress_local_fixups = FALSE;
f4ee74ac 1393BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH		 1394BOOL synchronous_delivery = FALSE;
1395BOOL syslog_duplication = TRUE;
1396int syslog_facility = LOG_MAIL;
2333e06f 1397BOOL syslog_pid = TRUE;
059ec3d9
PH		 1398uschar *syslog_processname = US"exim";
1399BOOL syslog_timestamp = TRUE;
1400uschar *system_filter = NULL;
1401
1402uschar *system_filter_directory_transport = NULL;
1403uschar *system_filter_file_transport = NULL;
1404uschar *system_filter_pipe_transport = NULL;
1405uschar *system_filter_reply_transport = NULL;
1406
1407gid_t system_filter_gid = 0;
1408BOOL system_filter_gid_set = FALSE;
79d4bc3d 1409uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1410BOOL system_filter_uid_set = FALSE;
1411BOOL system_filtering = FALSE;
1412
6af7e591 1413BOOL tcp_fastopen_ok = FALSE;
059ec3d9 1414BOOL tcp_nodelay = TRUE;
5dc43717
JJ		 1415#ifdef USE_TCP_WRAPPERS
1416uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1417#endif
8669f003 1418int test_harness_load_avg = 0;
059ec3d9
PH		 1419int thismessage_size_limit = 0;
1420int timeout_frozen_after = 0;
1421BOOL timestamps_utc = FALSE;
1422
1423transport_instance *transports = NULL;
1424
1425transport_instance transport_defaults = {
1426 NULL, /* chain pointer */
1427 NULL, /* name */
1428 NULL, /* info */
1429 NULL, /* private options block pointer */
1430 NULL, /* driver name */
1431 NULL, /* setup entry point */
1432 1, /* batch_max */
1433 NULL, /* batch_id */
1434 NULL, /* home_dir */
1435 NULL, /* current_dir */
506900af 1436 NULL, /* expand-multi-domain */
059ec3d9
PH		 1437 TRUE, /* multi-domain */
1438 FALSE, /* overrides_hosts */
1439 100, /* max_addresses */
1440 500, /* connection_max_messages */
1441 FALSE, /* deliver_as_creator */
1442 FALSE, /* disable_logging */
1443 FALSE, /* initgroups */
1444 FALSE, /* uid_set */
1445 FALSE, /* gid_set */
1446 (uid_t)(-1), /* uid */
1447 (gid_t)(-1), /* gid */
1448 NULL, /* expand_uid */
1449 NULL, /* expand_gid */
1450 NULL, /* warn_message */
1451 NULL, /* shadow */
1452 NULL, /* shadow_condition */
1453 NULL, /* filter_command */
1454 NULL, /* add_headers */
1455 NULL, /* remove_headers */
1456 NULL, /* return_path */
1457 NULL, /* debug_string */
fa41615d 1458 NULL, /* max_parallel */
059ec3d9
PH		 1459 NULL, /* message_size_limit */
1460 NULL, /* headers_rewrite */
1461 NULL, /* rewrite_rules */
1462 0, /* rewrite_existflags */
1463 300, /* filter_timeout */
1464 FALSE, /* body_only */
1465 FALSE, /* delivery_date_add */
1466 FALSE, /* envelope_to_add */
1467 FALSE, /* headers_only */
1468 FALSE, /* rcpt_include_affixes */
1469 FALSE, /* return_path_add */
1470 FALSE, /* return_output */
1471 FALSE, /* return_fail_output */
1472 FALSE, /* log_output */
1473 FALSE, /* log_fail_output */
1474 FALSE, /* log_defer_output */
1475 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1476 1 nor 0 so can detect unset */
0cbf2b82 1477#ifndef DISABLE_EVENT
774ef2d7 1478 ,NULL /* event_action */
533aaf91 1479#endif
059ec3d9
PH		 1480};
1481
1482int transport_count;
181d9bf8 1483uschar *transport_name = NULL;
332f5cf3 1484int transport_newlines;
55414b25 1485const uschar **transport_filter_argv = NULL;
059ec3d9 1486int transport_filter_timeout;
2e2a30b4 1487BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1488int transport_write_timeout= 0;
1489
1490tree_node *tree_dns_fails = NULL;
1491tree_node *tree_duplicates = NULL;
1492tree_node *tree_nonrecipients = NULL;
1493tree_node *tree_unusable = NULL;
1494
1495BOOL trusted_caller = FALSE;
e2f5dc15 1496BOOL trusted_config = TRUE;
059ec3d9
PH		 1497gid_t *trusted_groups = NULL;
1498uid_t *trusted_users = NULL;
1499uschar *timezone_string = US TIMEZONE_DEFAULT;
1500
1501uschar *unknown_login = NULL;
1502uschar *unknown_username = NULL;
1503uschar *untrusted_set_sender = NULL;
1504
1505/* A regex for matching a "From_" line in an incoming message, in the form
1506
1507 From ph10 Fri Jan 5 12:35 GMT 1996
1508
1509which the "mail" commands send to the MTA (undocumented, of course), or in
1510the form
1511
1512 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1513
1514which is apparently used by some UUCPs, despite it not being in RFC 976.
1515Because of variations in time formats, just match up to the minutes. That
1516should be sufficient. Examples have been seen of time fields like 12:1:03,
1517so just require one digit for hours and minutes. The weekday is also absent
1518in some forms. */
1519
1520uschar *uucp_from_pattern = US
1521 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1522 "(?:" /* Non-extracting bracket */
1523 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1524 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1525 ")" /* End alternation */
1526 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1527
1528uschar *uucp_from_sender = US"$1";
1529
aec45841 1530uschar *verify_mode = NULL;
f45100a3 1531uschar *version_copyright =
d4e5e70b
PP		 1532 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1533 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
059ec3d9
PH		 1534uschar *version_date = US"?";
1535uschar *version_cnumber = US"????";
1536uschar *version_string = US"?";
1537
aec45841 1538uschar *warn_message_file = NULL;
059ec3d9 1539int warning_count = 0;
aec45841
JH		 1540uschar *warnmsg_delay = NULL;
1541uschar *warnmsg_recipients = NULL;
1542BOOL write_rejectlog = TRUE;
1543
059ec3d9
PH		 1544
1545/* End of globals.c */
Unnamed repository; edit this file 'description' to name the repository.