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Expansions: errorcheck use of crypt() in the open-coded version of crypteq/crypt16
[exim.git] / src / src / globals.c
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
80fea873 5/* Copyright (c) University of Cambridge 1995 - 2016 */
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;
10ca4f1c 156uschar *tls_eccurve = US"prime256v1";
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
7e3ce68e
JH		 186int (*lwr_receive_getc)(void) = stdin_getc;
187int (*lwr_receive_ungetc)(int) = stdin_ungetc;
059ec3d9 188int (*receive_getc)(void) = 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
059ec3d9 231uschar *acl_not_smtp = NULL;
54cdb463
PH		 232#ifdef WITH_CONTENT_SCAN
233uschar *acl_not_smtp_mime = NULL;
234#endif
45b91596 235uschar *acl_not_smtp_start = NULL;
e7568d51 236uschar *acl_removed_headers = NULL;
059ec3d9
PH		 237uschar *acl_smtp_auth = NULL;
238uschar *acl_smtp_connect = NULL;
239uschar *acl_smtp_data = NULL;
8ccd00b1 240#ifndef DISABLE_PRDR
ad07e9ad 241uschar *acl_smtp_data_prdr = US"accept";
fd98a5c6 242#endif
80a47a2c
TK		 243#ifndef DISABLE_DKIM
244uschar *acl_smtp_dkim = NULL;
245#endif
059ec3d9
PH		 246uschar *acl_smtp_etrn = NULL;
247uschar *acl_smtp_expn = NULL;
248uschar *acl_smtp_helo = NULL;
249uschar *acl_smtp_mail = NULL;
250uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 251#ifdef WITH_CONTENT_SCAN
252uschar *acl_smtp_mime = NULL;
253#endif
8f128379 254uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 255uschar *acl_smtp_predata = NULL;
256uschar *acl_smtp_quit = NULL;
257uschar *acl_smtp_rcpt = NULL;
258uschar *acl_smtp_starttls = NULL;
259uschar *acl_smtp_vrfy = NULL;
8f128379 260
059ec3d9 261BOOL acl_temp_details = FALSE;
38a0a95f
PH		 262tree_node *acl_var_c = NULL;
263tree_node *acl_var_m = NULL;
059ec3d9 264uschar *acl_verify_message = NULL;
059ec3d9
PH		 265string_item *acl_warn_logged = NULL;
266
267/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
268error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
269
270uschar *acl_wherenames[] = { US"RCPT",
271 US"MAIL",
272 US"PREDATA",
8523533c 273 US"MIME",
80a47a2c 274 US"DKIM",
059ec3d9 275 US"DATA",
8ccd00b1 276#ifndef DISABLE_PRDR
fd98a5c6
JH		 277 US"PRDR",
278#endif
059ec3d9
PH		 279 US"non-SMTP",
280 US"AUTH",
281 US"connection",
282 US"ETRN",
283 US"EXPN",
284 US"EHLO or HELO",
285 US"MAILAUTH",
45b91596 286 US"non-SMTP-start",
8f128379 287 US"NOTQUIT",
059ec3d9
PH		 288 US"QUIT",
289 US"STARTTLS",
723c72e6 290 US"VRFY",
faa05a93
JH		 291 US"delivery",
292 US"unknown"
059ec3d9
PH		 293 };
294
a5bd321b
PH		 295uschar *acl_wherecodes[] = { US"550", /* RCPT */
296 US"550", /* MAIL */
297 US"550", /* PREDATA */
298 US"550", /* MIME */
80a47a2c 299 US"550", /* DKIM */
a5bd321b 300 US"550", /* DATA */
8ccd00b1 301#ifndef DISABLE_PRDR
fd98a5c6
JH		 302 US"550", /* RCPT PRDR */
303#endif
a5bd321b
PH		 304 US"0", /* not SMTP; not relevant */
305 US"503", /* AUTH */
306 US"550", /* connect */
307 US"458", /* ETRN */
308 US"550", /* EXPN */
309 US"550", /* HELO/EHLO */
310 US"0", /* MAILAUTH; not relevant */
311 US"0", /* not SMTP; not relevant */
8f128379 312 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 313 US"0", /* QUIT; not relevant */
314 US"550", /* STARTTLS */
723c72e6 315 US"252", /* VRFY */
faa05a93 316 US"0", /* delivery; not relevant */
723c72e6 317 US"0" /* unknown; not relevant */
059ec3d9 318 };
8e669ac1 319
69358f02
PH		 320BOOL active_local_from_check = FALSE;
321BOOL active_local_sender_retain = FALSE;
9cbad13b 322BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
bc3c7bb7 323uschar *add_environment = NULL;
059ec3d9
PH		 324address_item *addr_duplicate = NULL;
325
326address_item address_defaults = {
327 NULL, /* next */
328 NULL, /* parent */
329 NULL, /* first */
330 NULL, /* dupof */
331 NULL, /* start_router */
332 NULL, /* router */
333 NULL, /* transport */
334 NULL, /* host_list */
335 NULL, /* host_used */
336 NULL, /* fallback_hosts */
337 NULL, /* reply */
338 NULL, /* retries */
339 NULL, /* address */
340 NULL, /* unique */
341 NULL, /* cc_local_part */
342 NULL, /* lc_local_part */
343 NULL, /* local_part */
344 NULL, /* prefix */
345 NULL, /* suffix */
346 NULL, /* domain */
347 NULL, /* address_retry_key */
348 NULL, /* domain_retry_key */
349 NULL, /* current_dir */
350 NULL, /* home_dir */
351 NULL, /* message */
352 NULL, /* user_message */
353 NULL, /* onetime_parent */
354 NULL, /* pipe_expandn */
355 NULL, /* return_filename */
356 NULL, /* self_hostname */
357 NULL, /* shadow_message */
895fbaf2 358#ifdef SUPPORT_TLS
059ec3d9 359 NULL, /* cipher */
9d1c15ef
JH		 360 NULL, /* ourcert */
361 NULL, /* peercert */
059ec3d9 362 NULL, /* peerdn */
018058b2 363 OCSP_NOT_REQ, /* ocsp */
895fbaf2
JH		 364#endif
365#ifdef EXPERIMENTAL_DSN_INFO
366 NULL, /* smtp_greeting */
367 NULL, /* helo_response */
368#endif
018c60d7
JH		 369 NULL, /* authenticator */
370 NULL, /* auth_id */
371 NULL, /* auth_sndr */
6c1c3d1d
WB		 372 NULL, /* dsn_orcpt */
373 0, /* dsn_flags */
374 0, /* dsn_aware */
059ec3d9
PH		 375 (uid_t)(-1), /* uid */
376 (gid_t)(-1), /* gid */
377 0, /* flags */
378 { 0 }, /* domain_cache - any larger array should be zeroed */
379 { 0 }, /* localpart_cache - ditto */
380 -1, /* mode */
381 0, /* more_errno */
382 ERRNO_UNKNOWNERROR, /* basic_errno */
383 0, /* child_count */
384 -1, /* return_file */
385 SPECIAL_NONE, /* special_action */
386 DEFER, /* transport_return */
387 { /* fields that are propagated to children */
388 NULL, /* address_data */
389 NULL, /* domain_data */
390 NULL, /* localpart_data */
391 NULL, /* errors_address */
392 NULL, /* extra_headers */
393 NULL, /* remove_headers */
384152a6
TK		 394#ifdef EXPERIMENTAL_SRS
395 NULL, /* srs_sender */
7ade712c 396#endif
8c5d388a 397#ifdef SUPPORT_I18N
7ade712c 398 FALSE, /* utf8 */
384152a6 399#endif
059ec3d9
PH		 400 }
401};
402
403uschar *address_file = NULL;
404uschar *address_pipe = NULL;
405BOOL address_test_mode = FALSE;
406tree_node *addresslist_anchor = NULL;
407int addresslist_count = 0;
408gid_t *admin_groups = NULL;
409BOOL admin_user = FALSE;
c46782ef 410BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH		 411BOOL allow_domain_literals = FALSE;
412BOOL allow_mx_to_ip = FALSE;
413BOOL allow_unqualified_recipient = TRUE; /* For local messages */
414BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
415BOOL allow_utf8_domains = FALSE;
2d07a215 416uschar *authenticated_fail_id = NULL;
059ec3d9
PH		 417uschar *authenticated_id = NULL;
418uschar *authenticated_sender = NULL;
419BOOL authentication_failed = FALSE;
420auth_instance *auths = NULL;
421uschar *auth_advertise_hosts = US"*";
422auth_instance auth_defaults = {
423 NULL, /* chain pointer */
424 NULL, /* name */
425 NULL, /* info */
426 NULL, /* private options block pointer */
427 NULL, /* driver_name */
428 NULL, /* advertise_condition */
6c512171 429 NULL, /* client_condition */
059ec3d9
PH		 430 NULL, /* public_name */
431 NULL, /* set_id */
c8e2fc1e 432 NULL, /* set_client_id */
059ec3d9
PH		 433 NULL, /* server_mail_auth_condition */
434 NULL, /* server_debug_string */
16ff981e 435 NULL, /* server_condition */
059ec3d9
PH		 436 FALSE, /* client */
437 FALSE, /* server */
438 FALSE /* advertised */
439};
440
441uschar *auth_defer_msg = US"reason not recorded";
442uschar *auth_defer_user_msg = US"";
f78eb7c6 443uschar *auth_vars[AUTH_VARS];
059ec3d9 444int auto_thaw = 0;
8523533c 445#ifdef WITH_CONTENT_SCAN
9e949f00 446BOOL av_failed = FALSE;
8523533c
TK		 447uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
448#endif
059ec3d9
PH		 449
450BOOL background_daemon = TRUE;
9a799bc0
PH		 451
452#if BASE_62 == 62
059ec3d9
PH		 453uschar *base62_chars=
454 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 455#else
456uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
457#endif
458
059ec3d9
PH		 459uschar *bi_command = NULL;
460uschar *big_buffer = NULL;
461int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 462#ifdef EXPERIMENTAL_BRIGHTMAIL
463uschar *bmi_alt_location = NULL;
464uschar *bmi_base64_tracker_verdict = NULL;
465uschar *bmi_base64_verdict = NULL;
466uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
467int bmi_deliver = 1;
468int bmi_run = 0;
469uschar *bmi_verdicts = NULL;
470#endif
939c3e34 471int body_8bitmime = 0;
059ec3d9
PH		 472int body_linecount = 0;
473int body_zerocount = 0;
474uschar *bounce_message_file = NULL;
475uschar *bounce_message_text = NULL;
476uschar *bounce_recipient = NULL;
477BOOL bounce_return_body = TRUE;
62b7cd08 478int bounce_return_linesize_limit = 998;
059ec3d9
PH		 479BOOL bounce_return_message = TRUE;
480int bounce_return_size_limit = 100*1024;
481uschar *bounce_sender_authentication = NULL;
482int bsmtp_transaction_linecount = 0;
483
055e2cb4 484uschar *callout_address = NULL;
059ec3d9
PH		 485int callout_cache_domain_positive_expire = 7*24*60*60;
486int callout_cache_domain_negative_expire = 3*60*60;
487int callout_cache_positive_expire = 24*60*60;
488int callout_cache_negative_expire = 2*60*60;
489uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 490uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
ddf1b11a
JH		 491int check_log_inodes = 100;
492int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
a0d6ba8a 493BOOL check_rfc2047_length = TRUE;
ddf1b11a
JH		 494int check_spool_inodes = 100;
495int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
18481de3 496
aa368db3 497uschar *chunking_advertise_hosts = US"*";
18481de3 498unsigned chunking_datasize = 0;
7e3ce68e
JH		 499unsigned chunking_data_left = 0;
500BOOL chunking_offered = FALSE;
18481de3 501chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
f98442df 502const pcre *regex_CHUNKING = NULL;
18481de3 503
aa368db3
JH		 504uschar *client_authenticator = NULL;
505uschar *client_authenticated_id = NULL;
506uschar *client_authenticated_sender = NULL;
059ec3d9
PH		 507int clmacro_count = 0;
508uschar *clmacros[MAX_CLMACROS];
509BOOL config_changed = FALSE;
510FILE *config_file = NULL;
511uschar *config_filename = NULL;
512int config_lineno = 0;
35edf2ff
PH		 513#ifdef CONFIGURE_GROUP
514gid_t config_gid = CONFIGURE_GROUP;
19bfe9e7
HSHR		 515#else
516gid_t config_gid = 0;
35edf2ff 517#endif
059ec3d9
PH		 518uschar *config_main_filelist = US CONFIGURE_FILE
519 "\0<-----------Space to patch configure_filename->";
520uschar *config_main_filename = NULL;
98b8312f 521uschar *config_main_directory = NULL;
059ec3d9
PH		 522
523#ifdef CONFIGURE_OWNER
524uid_t config_uid = CONFIGURE_OWNER;
19bfe9e7
HSHR		 525#else
526uid_t config_uid = 0;
059ec3d9
PH		 527#endif
528
529int connection_max_messages= -1;
530uschar *continue_hostname = NULL;
531uschar *continue_host_address = NULL;
532BOOL continue_more = FALSE;
533int continue_sequence = 1;
534uschar *continue_transport = NULL;
535
e5a9dba6 536uschar *csa_status = NULL;
5032d1cf
JH		 537cut_t cutthrough = {
538 FALSE, /* delivery: when to attempt */
ff5929e3 539 FALSE, /* on defer: spool locally */
5032d1cf
JH		 540 -1, /* fd: open connection */
541 0, /* nrcpt: number of addresses */
542};
e5a9dba6 543
059ec3d9
PH		 544BOOL daemon_listen = FALSE;
545uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 546int daemon_startup_retries = 9;
547int daemon_startup_sleep = 30;
6a8f9482
TK		 548
549#ifdef EXPERIMENTAL_DCC
550BOOL dcc_direct_add_header = FALSE;
551uschar *dcc_header = NULL;
552uschar *dcc_result = NULL;
553uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
554uschar *dccifd_options = US"header";
555#endif
556
3d235903 557BOOL debug_daemon = FALSE;
059ec3d9
PH		 558int debug_fd = -1;
559FILE *debug_file = NULL;
6c6d6e48
TF		 560int debug_notall[] = {
561 Di_memory,
562 -1
059ec3d9 563};
6c6d6e48
TF		 564bit_table debug_options[] = { /* must be in alphabetical order */
565 BIT_TABLE(D, acl),
566 BIT_TABLE(D, all),
567 BIT_TABLE(D, auth),
568 BIT_TABLE(D, deliver),
569 BIT_TABLE(D, dns),
570 BIT_TABLE(D, dnsbl),
571 BIT_TABLE(D, exec),
572 BIT_TABLE(D, expand),
573 BIT_TABLE(D, filter),
574 BIT_TABLE(D, hints_lookup),
575 BIT_TABLE(D, host_lookup),
576 BIT_TABLE(D, ident),
577 BIT_TABLE(D, interface),
578 BIT_TABLE(D, lists),
579 BIT_TABLE(D, load),
580 BIT_TABLE(D, local_scan),
581 BIT_TABLE(D, lookup),
582 BIT_TABLE(D, memory),
583 BIT_TABLE(D, pid),
584 BIT_TABLE(D, process_info),
585 BIT_TABLE(D, queue_run),
586 BIT_TABLE(D, receive),
587 BIT_TABLE(D, resolver),
588 BIT_TABLE(D, retry),
589 BIT_TABLE(D, rewrite),
590 BIT_TABLE(D, route),
591 BIT_TABLE(D, timestamp),
592 BIT_TABLE(D, tls),
593 BIT_TABLE(D, transport),
594 BIT_TABLE(D, uid),
595 BIT_TABLE(D, verify),
596};
597int debug_options_count = nelem(debug_options);
598
059ec3d9
PH		 599unsigned int debug_selector = 0;
600int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 601uschar *delay_warning_condition=
602 US"${if or {"
e85a7ad5 603 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 604 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
605 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
606 "} {no}{yes}}";
059ec3d9
PH		 607BOOL delivery_date_remove = TRUE;
608uschar *deliver_address_data = NULL;
609int deliver_datafile = -1;
55414b25 610const uschar *deliver_domain = NULL;
059ec3d9 611uschar *deliver_domain_data = NULL;
55414b25
JH		 612const uschar *deliver_domain_orig = NULL;
613const uschar *deliver_domain_parent = NULL;
059ec3d9
PH		 614BOOL deliver_drop_privilege = FALSE;
615BOOL deliver_firsttime = FALSE;
616BOOL deliver_force = FALSE;
617BOOL deliver_freeze = FALSE;
19050083 618time_t deliver_frozen_at = 0;
059ec3d9 619uschar *deliver_home = NULL;
55414b25
JH		 620const uschar *deliver_host = NULL;
621const uschar *deliver_host_address = NULL;
a7538db1 622int deliver_host_port = 0;
059ec3d9
PH		 623uschar *deliver_in_buffer = NULL;
624ino_t deliver_inode = 0;
625uschar *deliver_localpart = NULL;
626uschar *deliver_localpart_data = NULL;
627uschar *deliver_localpart_orig = NULL;
628uschar *deliver_localpart_parent = NULL;
629uschar *deliver_localpart_prefix = NULL;
630uschar *deliver_localpart_suffix = NULL;
631BOOL deliver_force_thaw = FALSE;
632BOOL deliver_manual_thaw = FALSE;
633uschar *deliver_out_buffer = NULL;
634int deliver_queue_load_max = -1;
635address_item *deliver_recipients = NULL;
636uschar *deliver_selectstring = NULL;
637BOOL deliver_selectstring_regex = FALSE;
638uschar *deliver_selectstring_sender = NULL;
639BOOL deliver_selectstring_sender_regex = FALSE;
4c590bd1 640BOOL disable_callout_flush = FALSE;
047bdd8c 641BOOL disable_delay_flush = FALSE;
54fc8428
PH		 642#ifdef ENABLE_DISABLE_FSYNC
643BOOL disable_fsync = FALSE;
644#endif
7e66e54d 645BOOL disable_ipv6 = FALSE;
059ec3d9
PH		 646BOOL disable_logging = FALSE;
647
80a47a2c 648#ifndef DISABLE_DKIM
abe1010c 649BOOL dkim_collect_input = FALSE;
2df588c9 650uschar *dkim_cur_signer = NULL;
abe1010c
JH		 651BOOL dkim_disable_verify = FALSE;
652int dkim_key_length = 0;
9e5d6b55 653uschar *dkim_signers = NULL;
f7572e5a
TK		 654uschar *dkim_signing_domain = NULL;
655uschar *dkim_signing_selector = NULL;
9e5d6b55 656uschar *dkim_verify_signers = US"$dkim_signers";
f7572e5a 657#endif
4840604e 658#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 659BOOL dmarc_has_been_checked = FALSE;
4840604e 660uschar *dmarc_ar_header = NULL;
8c8b8274 661uschar *dmarc_domain_policy = NULL;
4840604e
TL		 662uschar *dmarc_forensic_sender = NULL;
663uschar *dmarc_history_file = NULL;
664uschar *dmarc_status = NULL;
665uschar *dmarc_status_text = NULL;
666uschar *dmarc_tld_file = NULL;
667uschar *dmarc_used_domain = NULL;
668BOOL dmarc_disable_verify = FALSE;
669BOOL dmarc_enable_forensic = FALSE;
670#endif
f7572e5a 671
059ec3d9 672uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH		 673int dns_csa_search_limit = 5;
674BOOL dns_csa_use_reverse = TRUE;
e682570f
TL		 675#ifdef EXPERIMENTAL_DANE
676int dns_dane_ok = -1;
677#endif
059ec3d9
PH		 678uschar *dns_ipv4_lookup = NULL;
679int dns_retrans = 0;
680int dns_retry = 0;
0fbd9bff 681int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 682uschar *dns_trust_aa = NULL;
e97d1f08 683int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 684uschar *dnslist_domain = NULL;
93655c46 685uschar *dnslist_matched = NULL;
059ec3d9
PH		 686uschar *dnslist_text = NULL;
687uschar *dnslist_value = NULL;
688tree_node *domainlist_anchor = NULL;
689int domainlist_count = 0;
690BOOL dont_deliver = FALSE;
691BOOL dot_ends = TRUE;
692BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 693uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH		 694
695BOOL enable_dollar_recipients = FALSE;
696BOOL envelope_to_remove = TRUE;
697int errno_quota = ERRNO_QUOTA;
698uschar *errors_copy = NULL;
699int error_handling = ERRORS_SENDER;
700uschar *errors_reply_to = NULL;
701int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 702#ifndef DISABLE_EVENT
723fe533
JH		 703uschar *event_action = NULL; /* expansion for delivery events */
704uschar *event_data = NULL; /* auxilary data variable for event */
705int event_defer_errno = 0;
55414b25 706const uschar *event_name = NULL; /* event name variable */
723fe533
JH		 707#endif
708
059ec3d9
PH		 709
710gid_t exim_gid = EXIM_GID;
711BOOL exim_gid_set = TRUE; /* This gid is always set */
712uschar *exim_path = US BIN_DIRECTORY "/exim"
713 "\0<---------------Space to patch exim_path->";
714uid_t exim_uid = EXIM_UID;
715BOOL exim_uid_set = TRUE; /* This uid is always set */
716int expand_forbid = 0;
717int expand_nlength[EXPAND_MAXN+1];
718int expand_nmax = -1;
719uschar *expand_nstring[EXPAND_MAXN+1];
720BOOL expand_string_forcedfail = FALSE;
721uschar *expand_string_message;
722BOOL extract_addresses_remove_arguments = TRUE;
723uschar *extra_local_interfaces = NULL;
724
29aba418 725int fake_response = OK;
0e22dfd1
PH		 726uschar *fake_response_text = US"Your message has been rejected but is "
727 "being kept for evaluation.\nIf it was a "
728 "legitimate message, it may still be "
729 "delivered to the target recipient(s).";
059ec3d9
PH		 730int filter_n[FILTER_VARIABLE_COUNT];
731BOOL filter_running = FALSE;
732int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 733int filter_test = FTEST_NONE;
734uschar *filter_test_sfile = NULL;
735uschar *filter_test_ufile = NULL;
059ec3d9
PH		 736uschar *filter_thisaddress = NULL;
737int finduser_retries = 0;
738uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
739uschar *freeze_tell = NULL;
6a3f1455 740uschar *freeze_tell_config = NULL;
059ec3d9
PH		 741uschar *fudged_queue_times = US"";
742
743uschar *gecos_name = NULL;
744uschar *gecos_pattern = NULL;
745rewrite_rule *global_rewrite_rules = NULL;
746
747uschar *headers_charset = US HEADERS_CHARSET;
748int header_insert_maxlen = 64 * 1024;
749header_line *header_last = NULL;
750header_line *header_list = NULL;
751int header_maxsize = HEADER_MAXSIZE;
752int header_line_maxsize = 0;
753
754header_name header_names[] = {
755 { US"bcc", 3, TRUE, htype_bcc },
756 { US"cc", 2, TRUE, htype_cc },
757 { US"date", 4, TRUE, htype_date },
758 { US"delivery-date", 13, FALSE, htype_delivery_date },
759 { US"envelope-to", 11, FALSE, htype_envelope_to },
760 { US"from", 4, TRUE, htype_from },
761 { US"message-id", 10, TRUE, htype_id },
762 { US"received", 8, FALSE, htype_received },
763 { US"reply-to", 8, FALSE, htype_reply_to },
764 { US"return-path", 11, FALSE, htype_return_path },
765 { US"sender", 6, TRUE, htype_sender },
766 { US"subject", 7, FALSE, htype_subject },
767 { US"to", 2, TRUE, htype_to }
768};
769
770int header_names_size = sizeof(header_names)/sizeof(header_name);
771
772BOOL header_rewritten = FALSE;
773uschar *helo_accept_junk_hosts = NULL;
774uschar *helo_allow_chars = US"";
775uschar *helo_lookup_domains = US"@ : @[]";
776uschar *helo_try_verify_hosts = NULL;
777BOOL helo_verified = FALSE;
d7b47fd0 778BOOL helo_verify_failed = FALSE;
059ec3d9 779uschar *helo_verify_hosts = NULL;
1ba28e2b 780const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH		 781uschar *hold_domains = NULL;
782BOOL host_checking = FALSE;
783BOOL host_checking_callout = FALSE;
784uschar *host_data = NULL;
785BOOL host_find_failed_syntax= FALSE;
786uschar *host_lookup = NULL;
b08b24c8 787BOOL host_lookup_deferred = FALSE;
059ec3d9
PH		 788BOOL host_lookup_failed = FALSE;
789uschar *host_lookup_order = US"bydns:byaddr";
790uschar *host_lookup_msg = US"";
791int host_number = 0;
792uschar *host_number_string = NULL;
793uschar *host_reject_connection = NULL;
794tree_node *hostlist_anchor = NULL;
795int hostlist_count = 0;
796uschar *hosts_treat_as_local = NULL;
797uschar *hosts_connection_nolog = NULL;
798
799int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
800BOOL ignore_fromline_local = FALSE;
801uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP		 802BOOL inetd_wait_mode = FALSE;
803int inetd_wait_timeout = -1;
3615fa9a 804uschar *initial_cwd = NULL;
059ec3d9
PH		 805uschar *interface_address = NULL;
806int interface_port = -1;
807BOOL is_inetd = FALSE;
0ce9abe6 808uschar *iterate_item = NULL;
059ec3d9
PH		 809
810int journal_fd = -1;
811
bc3c7bb7
HSHR		 812uschar *keep_environment = NULL;
813
059ec3d9
PH		 814int keep_malformed = 4*24*60*60; /* 4 days */
815
816uschar *eldap_dn = NULL;
817int load_average = -2;
818BOOL local_error_message = FALSE;
819BOOL local_from_check = TRUE;
820uschar *local_from_prefix = NULL;
821uschar *local_from_suffix = NULL;
822
823#if HAVE_IPV6
824uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
825#else
826uschar *local_interfaces = US"0.0.0.0";
827#endif
828
829uschar *local_scan_data = NULL;
830int local_scan_timeout = 5*60;
831BOOL local_sender_retain = FALSE;
832gid_t local_user_gid = (gid_t)(-1);
833uid_t local_user_uid = (uid_t)(-1);
834
835tree_node *localpartlist_anchor= NULL;
836int localpartlist_count = 0;
837uschar *log_buffer = NULL;
6c6d6e48
TF		 838
839int log_default[] = { /* for initializing log_selector */
840 Li_acl_warn_skipped,
841 Li_connection_reject,
842 Li_delay_delivery,
843 Li_dnslist_defer,
844 Li_etrn,
845 Li_host_lookup_failed,
846 Li_lost_incoming_connection,
ac881e27 847 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF		 848 Li_queue_run,
849 Li_rejected_header,
850 Li_retry_defer,
851 Li_sender_verify_fail,
852 Li_size_reject,
853 Li_skip_delivery,
854 Li_smtp_confirmation,
855 Li_tls_certificate_verified,
856 Li_tls_cipher,
857 -1
858};
859
059ec3d9
PH		 860uschar *log_file_path = US LOG_FILE_PATH
861 "\0<--------------Space to patch log_file_path->";
862
6c6d6e48
TF		 863int log_notall[] = {
864 -1
865};
866bit_table log_options[] = { /* must be in alphabetical order */
867 BIT_TABLE(L, 8bitmime),
868 BIT_TABLE(L, acl_warn_skipped),
869 BIT_TABLE(L, address_rewrite),
870 BIT_TABLE(L, all),
871 BIT_TABLE(L, all_parents),
872 BIT_TABLE(L, arguments),
873 BIT_TABLE(L, connection_reject),
874 BIT_TABLE(L, delay_delivery),
875 BIT_TABLE(L, deliver_time),
876 BIT_TABLE(L, delivery_size),
877 BIT_TABLE(L, dnslist_defer),
fc16abb4 878 BIT_TABLE(L, dnssec),
6c6d6e48
TF		 879 BIT_TABLE(L, etrn),
880 BIT_TABLE(L, host_lookup_failed),
881 BIT_TABLE(L, ident_timeout),
882 BIT_TABLE(L, incoming_interface),
883 BIT_TABLE(L, incoming_port),
884 BIT_TABLE(L, lost_incoming_connection),
ac881e27 885 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF		 886 BIT_TABLE(L, outgoing_port),
887 BIT_TABLE(L, pid),
e6d2a989 888#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
6c6d6e48
TF		 889 BIT_TABLE(L, proxy),
890#endif
891 BIT_TABLE(L, queue_run),
892 BIT_TABLE(L, queue_time),
893 BIT_TABLE(L, queue_time_overall),
894 BIT_TABLE(L, received_recipients),
895 BIT_TABLE(L, received_sender),
896 BIT_TABLE(L, rejected_header),
897 { US"rejected_headers", Li_rejected_header },
898 BIT_TABLE(L, retry_defer),
899 BIT_TABLE(L, return_path_on_delivery),
900 BIT_TABLE(L, sender_on_delivery),
901 BIT_TABLE(L, sender_verify_fail),
902 BIT_TABLE(L, size_reject),
903 BIT_TABLE(L, skip_delivery),
904 BIT_TABLE(L, smtp_confirmation),
905 BIT_TABLE(L, smtp_connection),
906 BIT_TABLE(L, smtp_incomplete_transaction),
907 BIT_TABLE(L, smtp_mailauth),
908 BIT_TABLE(L, smtp_no_mail),
909 BIT_TABLE(L, smtp_protocol_error),
910 BIT_TABLE(L, smtp_syntax_error),
911 BIT_TABLE(L, subject),
912 BIT_TABLE(L, tls_certificate_verified),
913 BIT_TABLE(L, tls_cipher),
914 BIT_TABLE(L, tls_peerdn),
915 BIT_TABLE(L, tls_sni),
916 BIT_TABLE(L, unknown_in_list),
059ec3d9 917};
6c6d6e48 918int log_options_count = nelem(log_options);
059ec3d9 919
6ea85e9a 920int log_reject_target = 0;
6c6d6e48 921unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH		 922uschar *log_selector_string = NULL;
923FILE *log_stderr = NULL;
924BOOL log_testing_mode = FALSE;
925BOOL log_timezone = FALSE;
926uschar *login_sender_address = NULL;
4e0983dc 927uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH		 928int lookup_open_max = 25;
929uschar *lookup_value = NULL;
930
931macro_item *macros = NULL;
c193398d 932macro_item *mlast = NULL;
8e6c4db1 933BOOL macros_builtin_created = FALSE;
059ec3d9 934uschar *mailstore_basename = NULL;
8523533c
TK		 935#ifdef WITH_CONTENT_SCAN
936uschar *malware_name = NULL; /* Virus Name */
937#endif
d677b2f2 938int max_received_linelength= 0;
059ec3d9
PH		 939int max_username_length = 0;
940int message_age = 0;
941uschar *message_body = NULL;
942uschar *message_body_end = NULL;
ddea74fa 943BOOL message_body_newlines = FALSE;
059ec3d9
PH		 944int message_body_size = 0;
945int message_body_visible = 500;
946int message_ended = END_NOTSTARTED;
947uschar *message_headers = NULL;
948uschar *message_id;
949uschar *message_id_domain = NULL;
950uschar *message_id_text = NULL;
951struct timeval message_id_tv = { 0, 0 };
952uschar message_id_option[MESSAGE_ID_LENGTH + 3];
953uschar *message_id_external;
954int message_linecount = 0;
955BOOL message_logs = TRUE;
956int message_size = 0;
957uschar *message_size_limit = US"50M";
8c5d388a 958#ifdef SUPPORT_I18N
eb02f5df 959BOOL message_smtputf8 = FALSE;
3c8b3577 960int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 961#endif
059ec3d9
PH		 962uschar message_subdir[2] = { 0, 0 };
963uschar *message_reference = NULL;
8523533c
TK		 964
965/* MIME ACL expandables */
966#ifdef WITH_CONTENT_SCAN
f7b63901 967int mime_anomaly_level = 0;
1ba28e2b 968const uschar *mime_anomaly_text = NULL;
8523533c
TK		 969uschar *mime_boundary = NULL;
970uschar *mime_charset = NULL;
971uschar *mime_content_description = NULL;
972uschar *mime_content_disposition = NULL;
973uschar *mime_content_id = NULL;
974unsigned int mime_content_size = 0;
975uschar *mime_content_transfer_encoding = NULL;
976uschar *mime_content_type = NULL;
977uschar *mime_decoded_filename = NULL;
978uschar *mime_filename = NULL;
979int mime_is_multipart = 0;
980int mime_is_coverletter = 0;
981int mime_is_rfc822 = 0;
982int mime_part_count = -1;
983#endif
984
059ec3d9
PH		 985BOOL mua_wrapper = FALSE;
986
987uid_t *never_users = NULL;
8523533c
TK		 988#ifdef WITH_CONTENT_SCAN
989BOOL no_mbox_unspool = FALSE;
990#endif
059ec3d9
PH		 991BOOL no_multiline_responses = FALSE;
992
993uid_t original_euid;
994gid_t originator_gid;
995uschar *originator_login = NULL;
996uschar *originator_name = NULL;
997uid_t originator_uid;
998uschar *override_local_interfaces = NULL;
999uschar *override_pid_file_path = NULL;
1000
1001BOOL parse_allow_group = FALSE;
1002BOOL parse_found_group = FALSE;
1003uschar *percent_hack_domains = NULL;
1004uschar *pid_file_path = US PID_FILE_PATH
1005 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 1006BOOL pipelining_enable = TRUE;
059ec3d9
PH		 1007uschar *pipelining_advertise_hosts = US"*";
1008BOOL preserve_message_logs = FALSE;
1009uschar *primary_hostname = NULL;
1010BOOL print_topbitchars = FALSE;
1011uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1012int process_info_len = 0;
059ec3d9
PH		 1013uschar *process_log_path = NULL;
1014BOOL prod_requires_admin = TRUE;
a3c86431 1015
e6d2a989 1016#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 1017uschar *hosts_proxy = US"";
e6d2a989
JH		 1018uschar *proxy_external_address = US"";
1019int proxy_external_port = 0;
1020uschar *proxy_local_address = US"";
1021int proxy_local_port = 0;
a3c86431
TL		 1022BOOL proxy_session = FALSE;
1023BOOL proxy_session_failed = FALSE;
1024#endif
1025
fffda43a
TK		 1026uschar *prvscheck_address = NULL;
1027uschar *prvscheck_keynum = NULL;
1028uschar *prvscheck_result = NULL;
1029
059ec3d9 1030
55414b25 1031const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH		 1032uschar *qualify_domain_sender = NULL;
1033BOOL queue_2stage = FALSE;
1034uschar *queue_domains = NULL;
1035int queue_interval = -1;
1036BOOL queue_list_requires_admin = TRUE;
a2da3176 1037uschar *queue_name = US"";
059ec3d9
PH		 1038BOOL queue_only = FALSE;
1039uschar *queue_only_file = NULL;
1040int queue_only_load = -1;
8669f003 1041BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 1042BOOL queue_only_override = TRUE;
1043BOOL queue_only_policy = FALSE;
1044BOOL queue_run_first_delivery = FALSE;
1045BOOL queue_run_force = FALSE;
1046BOOL queue_run_in_order = FALSE;
1047BOOL queue_run_local = FALSE;
0cd5fd23 1048uschar *queue_run_max = US"5";
059ec3d9
PH		 1049pid_t queue_run_pid = (pid_t)0;
1050int queue_run_pipe = -1;
1051BOOL queue_running = FALSE;
1052BOOL queue_smtp = FALSE;
1053uschar *queue_smtp_domains = NULL;
1054
1055unsigned int random_seed = 0;
fe0dab11 1056tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 1057tree_node *ratelimiters_conn = NULL;
1058tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 1059uschar *raw_active_hostname = NULL;
1060uschar *raw_sender = NULL;
1061uschar **raw_recipients = NULL;
1062int raw_recipients_count = 0;
1063
1064int rcpt_count = 0;
1065int rcpt_fail_count = 0;
1066int rcpt_defer_count = 0;
1067gid_t real_gid;
1068uid_t real_uid;
1069BOOL really_exim = TRUE;
1070BOOL receive_call_bombout = FALSE;
1071int receive_linecount = 0;
1072int receive_messagecount = 0;
1073int receive_timeout = 0;
1074int received_count = 0;
1075uschar *received_for = NULL;
1076
1077/* This is the default text for Received headers generated by Exim. The
1078date will be automatically added on the end. */
1079
1080uschar *received_header_text = US
1081 "Received: "
1082 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1083 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 1084 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1085 "by $primary_hostname "
1086 "${if def:received_protocol {with $received_protocol}} "
1087 #ifdef SUPPORT_TLS
1088 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1089 #endif
1090 "(Exim $version_number)\n\t"
3e46c1aa 1091 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1092 "id $message_exim_id"
059ec3d9
PH		 1093 "${if def:received_for {\n\tfor $received_for}}"
1094 "\0<---------------Space to patch received_header_text->";
1095
1096int received_headers_max = 30;
1097uschar *received_protocol = NULL;
1098int received_time = 0;
1099uschar *recipient_data = NULL;
1100uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1101uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 1102int recipients_count = 0;
1103BOOL recipients_discarded = FALSE;
1104recipient_item *recipients_list = NULL;
1105int recipients_list_max = 0;
1106int recipients_max = 0;
1107BOOL recipients_max_reject = FALSE;
1108const pcre *regex_AUTH = NULL;
1109const pcre *regex_check_dns_names = NULL;
1110const pcre *regex_From = NULL;
f1513293 1111const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1112const pcre *regex_PIPELINING = NULL;
1113const pcre *regex_SIZE = NULL;
1114const pcre *regex_ismsgid = NULL;
f38917cc
JH		 1115const pcre *regex_smtp_code = NULL;
1116uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP		 1117#ifdef WHITELIST_D_MACROS
1118const pcre *regex_whitelisted_macro = NULL;
1119#endif
8523533c
TK		 1120#ifdef WITH_CONTENT_SCAN
1121uschar *regex_match_string = NULL;
1122#endif
059ec3d9
PH		 1123int remote_delivery_count = 0;
1124int remote_max_parallel = 2;
1125uschar *remote_sort_domains = NULL;
1126int retry_data_expire = 7*24*60*60;
1127int retry_interval_max = 24*60*60;
1128int retry_maximum_timeout = 0; /* set from retry config */
1129retry_config *retries = NULL;
1130uschar *return_path = NULL;
1131BOOL return_path_remove = TRUE;
1132int rewrite_existflags = 0;
f926e272
JH		 1133uschar *rfc1413_hosts = US"@[]";
1134int rfc1413_query_timeout = 0;
059ec3d9 1135/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1136uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1137uid_t root_uid = ROOT_UID;
1138
1139router_instance *routers = NULL;
1140router_instance router_defaults = {
1141 NULL, /* chain pointer */
1142 NULL, /* name */
1143 NULL, /* info */
1144 NULL, /* private options block pointer */
1145 NULL, /* driver name */
1146
1147 NULL, /* address_data */
8523533c
TK		 1148#ifdef EXPERIMENTAL_BRIGHTMAIL
1149 NULL, /* bmi_rule */
8e669ac1 1150#endif
059ec3d9
PH		 1151 NULL, /* cannot_route_message */
1152 NULL, /* condition */
1153 NULL, /* current_directory */
1154 NULL, /* debug_string */
1155 NULL, /* domains */
1156 NULL, /* errors_to */
1157 NULL, /* expand_gid */
1158 NULL, /* expand_uid */
1159 NULL, /* expand_more */
1160 NULL, /* expand_unseen */
1161 NULL, /* extra_headers */
1162 NULL, /* fallback_hosts */
1163 NULL, /* home_directory */
1164 NULL, /* ignore_target_hosts */
1165 NULL, /* local_parts */
1166 NULL, /* pass_router_name */
1167 NULL, /* prefix */
1168 NULL, /* redirect_router_name */
1169 NULL, /* remove_headers */
1170 NULL, /* require_files */
1171 NULL, /* router_home_directory */
1172 US"freeze", /* self */
1173 NULL, /* senders */
1174 NULL, /* suffix */
1175 NULL, /* translate_ip_address */
1176 NULL, /* transport_name */
1177
1178 TRUE, /* address_test */
8523533c
TK		 1179#ifdef EXPERIMENTAL_BRIGHTMAIL
1180 FALSE, /* bmi_deliver_alternate */
1181 FALSE, /* bmi_deliver_default */
1182 FALSE, /* bmi_dont_deliver */
1183#endif
059ec3d9
PH		 1184 TRUE, /* expn */
1185 FALSE, /* caseful_local_part */
1186 FALSE, /* check_local_user */
1187 FALSE, /* disable_logging */
1188 FALSE, /* fail_verify_recipient */
1189 FALSE, /* fail_verify_sender */
1190 FALSE, /* gid_set */
1191 FALSE, /* initgroups */
1192 TRUE_UNSET, /* log_as_local */
1193 TRUE, /* more */
1194 FALSE, /* pass_on_timeout */
1195 FALSE, /* prefix_optional */
1196 TRUE, /* repeat_use */
1197 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1198 FALSE, /* same_domain_copy_routing */
1199 FALSE, /* self_rewrite */
1200 FALSE, /* suffix_optional */
1201 FALSE, /* verify_only */
1202 TRUE, /* verify_recipient */
1203 TRUE, /* verify_sender */
1204 FALSE, /* uid_set */
1205 FALSE, /* unseen */
6c1c3d1d 1206 FALSE, /* dsn_lasthop */
059ec3d9
PH		 1207
1208 self_freeze, /* self_code */
1209 (uid_t)(-1), /* uid */
1210 (gid_t)(-1), /* gid */
1211
1212 NULL, /* fallback_hostlist */
1213 NULL, /* transport instance */
1214 NULL, /* pass_router */
99c1bb4e
HSHR		 1215 NULL, /* redirect_router */
1216
0539a19d 1217 { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH		 1218};
1219
181d9bf8
JH		 1220uschar *router_name = NULL;
1221
059ec3d9
PH		 1222ip_address_item *running_interfaces = NULL;
1223BOOL running_in_test_harness = FALSE;
1224
1225/* This is a weird one. The following string gets patched in the binary by the
1226script that sets up a copy of Exim for running in the test harness. It seems
1227that compilers are now clever, and share constant strings if they can.
1228Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1229make use of the end of this string in order to save space. So the patching then
8669f003 1230wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1231onto the end of the string. */
1232
1233uschar *running_status = US">>>running<<<" "\0EXTRA";
1234
1235int runrc = 0;
1236
1237uschar *search_error_message = NULL;
1238BOOL search_find_defer = FALSE;
1239uschar *self_hostname = NULL;
1240uschar *sender_address = NULL;
1241unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1242uschar *sender_address_data = NULL;
059ec3d9
PH		 1243BOOL sender_address_forced = FALSE;
1244uschar *sender_address_unrewritten = NULL;
1245uschar *sender_data = NULL;
1246unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1247uschar *sender_fullhost = NULL;
1705dd20 1248BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH		 1249uschar *sender_helo_name = NULL;
1250uschar **sender_host_aliases = &no_aliases;
1251uschar *sender_host_address = NULL;
1252uschar *sender_host_authenticated = NULL;
1253unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1254BOOL sender_host_dnssec = FALSE;
059ec3d9
PH		 1255uschar *sender_host_name = NULL;
1256int sender_host_port = 0;
1257BOOL sender_host_notsocket = FALSE;
1258BOOL sender_host_unknown = FALSE;
1259uschar *sender_ident = NULL;
1260BOOL sender_local = FALSE;
2fe1a124 1261BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1262uschar *sender_rate = NULL;
1263uschar *sender_rate_limit = NULL;
1264uschar *sender_rate_period = NULL;
059ec3d9
PH		 1265uschar *sender_rcvhost = NULL;
1266BOOL sender_set_untrusted = FALSE;
1267uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1268uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1269address_item *sender_verified_list = NULL;
1270address_item *sender_verified_failed = NULL;
1271int sender_verified_rc = -1;
1272BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1273uschar *sending_ip_address = NULL;
1274int sending_port = -1;
cd59ab18 1275SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1276uschar **sighup_argv = NULL;
846430d9 1277int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH		 1278int smtp_accept_count = 0;
1279BOOL smtp_accept_keepalive = TRUE;
1280int smtp_accept_max = 20;
1281int smtp_accept_max_nonmail= 10;
1282uschar *smtp_accept_max_nonmail_hosts = US"*";
1283int smtp_accept_max_per_connection = 1000;
1284uschar *smtp_accept_max_per_host = NULL;
1285int smtp_accept_queue = 0;
1286int smtp_accept_queue_per_connection = 10;
1287int smtp_accept_reserve = 0;
1288uschar *smtp_active_hostname = NULL;
1289BOOL smtp_authenticated = FALSE;
1f5b4c3d 1290uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1291 "Exim $version_number $tod_full"
1292 "\0<---------------Space to patch smtp_banner->";
1293BOOL smtp_batched_input = FALSE;
1294BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1295int smtp_ch_index = 0;
3ee512ff
PH		 1296uschar *smtp_cmd_argument = NULL;
1297uschar *smtp_cmd_buffer = NULL;
b4ed4da0
PH		 1298time_t smtp_connection_start = 0;
1299uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1300int smtp_connect_backlog = 20;
1301double smtp_delay_mail = 0.0;
1302double smtp_delay_rcpt = 0.0;
1303BOOL smtp_enforce_sync = TRUE;
1304FILE *smtp_in = NULL;
1305BOOL smtp_input = FALSE;
1306int smtp_load_reserve = -1;
1307int smtp_mailcmd_count = 0;
1308FILE *smtp_out = NULL;
1309uschar *smtp_etrn_command = NULL;
1310BOOL smtp_etrn_serialize = TRUE;
1311int smtp_max_synprot_errors= 3;
1312int smtp_max_unknown_commands = 3;
8f128379 1313uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1314uschar *smtp_ratelimit_hosts = NULL;
1315uschar *smtp_ratelimit_mail = NULL;
1316uschar *smtp_ratelimit_rcpt = NULL;
1317uschar *smtp_read_error = US"";
1318int smtp_receive_timeout = 5*60;
1ad6489e 1319uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH		 1320uschar *smtp_reserve_hosts = NULL;
1321BOOL smtp_return_error_details = FALSE;
1322int smtp_rlm_base = 0;
1323double smtp_rlm_factor = 0.0;
1324int smtp_rlm_limit = 0;
1325int smtp_rlm_threshold = INT_MAX;
1326int smtp_rlr_base = 0;
1327double smtp_rlr_factor = 0.0;
1328int smtp_rlr_limit = 0;
1329int smtp_rlr_threshold = INT_MAX;
2d14f397
JH		 1330unsigned smtp_peer_options = 0;
1331unsigned smtp_peer_options_wrap= 0;
8c5d388a 1332#ifdef SUPPORT_I18N
9d4319df 1333uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1334#endif
8523533c
TK		 1335
1336#ifdef WITH_CONTENT_SCAN
1337uschar *spamd_address = US"127.0.0.1 783";
1338uschar *spam_bar = NULL;
1339uschar *spam_report = NULL;
c5f280e2 1340uschar *spam_action = NULL;
8523533c
TK		 1341uschar *spam_score = NULL;
1342uschar *spam_score_int = NULL;
1343#endif
1344#ifdef EXPERIMENTAL_SPF
65a7d8c3 1345uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1346uschar *spf_header_comment = NULL;
1347uschar *spf_received = NULL;
1348uschar *spf_result = NULL;
1349uschar *spf_smtp_comment = NULL;
1350#endif
1351
059ec3d9
PH		 1352BOOL split_spool_directory = FALSE;
1353uschar *spool_directory = US SPOOL_DIRECTORY
1354 "\0<--------------Space to patch spool_directory->";
8523533c
TK		 1355#ifdef EXPERIMENTAL_SRS
1356uschar *srs_config = NULL;
1357uschar *srs_db_address = NULL;
1358uschar *srs_db_key = NULL;
384152a6
TK		 1359int srs_hashlength = 6;
1360int srs_hashmin = -1;
1361int srs_maxage = 31;
8523533c
TK		 1362uschar *srs_orig_recipient = NULL;
1363uschar *srs_orig_sender = NULL;
1364uschar *srs_recipient = NULL;
384152a6 1365uschar *srs_secrets = NULL;
8523533c 1366uschar *srs_status = NULL;
384152a6
TK		 1367BOOL srs_usehash = TRUE;
1368BOOL srs_usetimestamp = TRUE;
8e669ac1 1369#endif
38a0a95f 1370BOOL strict_acl_vars = FALSE;
059ec3d9 1371int string_datestamp_offset= -1;
f1e5fef5
PP		 1372int string_datestamp_length= 0;
1373int string_datestamp_type = -1;
059ec3d9
PH		 1374BOOL strip_excess_angle_brackets = FALSE;
1375BOOL strip_trailing_dot = FALSE;
1376uschar *submission_domain = NULL;
1377BOOL submission_mode = FALSE;
2fe1a124 1378uschar *submission_name = NULL;
8800895a 1379BOOL suppress_local_fixups = FALSE;
f4ee74ac 1380BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH		 1381BOOL synchronous_delivery = FALSE;
1382BOOL syslog_duplication = TRUE;
1383int syslog_facility = LOG_MAIL;
1384uschar *syslog_processname = US"exim";
1385BOOL syslog_timestamp = TRUE;
1386uschar *system_filter = NULL;
1387
1388uschar *system_filter_directory_transport = NULL;
1389uschar *system_filter_file_transport = NULL;
1390uschar *system_filter_pipe_transport = NULL;
1391uschar *system_filter_reply_transport = NULL;
1392
1393gid_t system_filter_gid = 0;
1394BOOL system_filter_gid_set = FALSE;
79d4bc3d 1395uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1396BOOL system_filter_uid_set = FALSE;
1397BOOL system_filtering = FALSE;
1398
1399BOOL tcp_nodelay = TRUE;
5dc43717
JJ		 1400#ifdef USE_TCP_WRAPPERS
1401uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1402#endif
8669f003 1403int test_harness_load_avg = 0;
059ec3d9
PH		 1404int thismessage_size_limit = 0;
1405int timeout_frozen_after = 0;
1406BOOL timestamps_utc = FALSE;
1407
1408transport_instance *transports = NULL;
1409
1410transport_instance transport_defaults = {
1411 NULL, /* chain pointer */
1412 NULL, /* name */
1413 NULL, /* info */
1414 NULL, /* private options block pointer */
1415 NULL, /* driver name */
1416 NULL, /* setup entry point */
1417 1, /* batch_max */
1418 NULL, /* batch_id */
1419 NULL, /* home_dir */
1420 NULL, /* current_dir */
506900af 1421 NULL, /* expand-multi-domain */
059ec3d9
PH		 1422 TRUE, /* multi-domain */
1423 FALSE, /* overrides_hosts */
1424 100, /* max_addresses */
1425 500, /* connection_max_messages */
1426 FALSE, /* deliver_as_creator */
1427 FALSE, /* disable_logging */
1428 FALSE, /* initgroups */
1429 FALSE, /* uid_set */
1430 FALSE, /* gid_set */
1431 (uid_t)(-1), /* uid */
1432 (gid_t)(-1), /* gid */
1433 NULL, /* expand_uid */
1434 NULL, /* expand_gid */
1435 NULL, /* warn_message */
1436 NULL, /* shadow */
1437 NULL, /* shadow_condition */
1438 NULL, /* filter_command */
1439 NULL, /* add_headers */
1440 NULL, /* remove_headers */
1441 NULL, /* return_path */
1442 NULL, /* debug_string */
fa41615d 1443 NULL, /* max_parallel */
059ec3d9
PH		 1444 NULL, /* message_size_limit */
1445 NULL, /* headers_rewrite */
1446 NULL, /* rewrite_rules */
1447 0, /* rewrite_existflags */
1448 300, /* filter_timeout */
1449 FALSE, /* body_only */
1450 FALSE, /* delivery_date_add */
1451 FALSE, /* envelope_to_add */
1452 FALSE, /* headers_only */
1453 FALSE, /* rcpt_include_affixes */
1454 FALSE, /* return_path_add */
1455 FALSE, /* return_output */
1456 FALSE, /* return_fail_output */
1457 FALSE, /* log_output */
1458 FALSE, /* log_fail_output */
1459 FALSE, /* log_defer_output */
1460 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1461 1 nor 0 so can detect unset */
0cbf2b82 1462#ifndef DISABLE_EVENT
774ef2d7 1463 ,NULL /* event_action */
533aaf91 1464#endif
059ec3d9
PH		 1465};
1466
1467int transport_count;
181d9bf8 1468uschar *transport_name = NULL;
332f5cf3 1469int transport_newlines;
55414b25 1470const uschar **transport_filter_argv = NULL;
059ec3d9 1471int transport_filter_timeout;
2e2a30b4 1472BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1473int transport_write_timeout= 0;
1474
1475tree_node *tree_dns_fails = NULL;
1476tree_node *tree_duplicates = NULL;
1477tree_node *tree_nonrecipients = NULL;
1478tree_node *tree_unusable = NULL;
1479
1480BOOL trusted_caller = FALSE;
e2f5dc15 1481BOOL trusted_config = TRUE;
059ec3d9
PH		 1482gid_t *trusted_groups = NULL;
1483uid_t *trusted_users = NULL;
1484uschar *timezone_string = US TIMEZONE_DEFAULT;
1485
1486uschar *unknown_login = NULL;
1487uschar *unknown_username = NULL;
1488uschar *untrusted_set_sender = NULL;
1489
1490/* A regex for matching a "From_" line in an incoming message, in the form
1491
1492 From ph10 Fri Jan 5 12:35 GMT 1996
1493
1494which the "mail" commands send to the MTA (undocumented, of course), or in
1495the form
1496
1497 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1498
1499which is apparently used by some UUCPs, despite it not being in RFC 976.
1500Because of variations in time formats, just match up to the minutes. That
1501should be sufficient. Examples have been seen of time fields like 12:1:03,
1502so just require one digit for hours and minutes. The weekday is also absent
1503in some forms. */
1504
1505uschar *uucp_from_pattern = US
1506 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1507 "(?:" /* Non-extracting bracket */
1508 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1509 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1510 ")" /* End alternation */
1511 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1512
1513uschar *uucp_from_sender = US"$1";
1514
aec45841 1515uschar *verify_mode = NULL;
f45100a3 1516uschar *version_copyright =
80fea873
JH		 1517 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1518 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
059ec3d9
PH		 1519uschar *version_date = US"?";
1520uschar *version_cnumber = US"????";
1521uschar *version_string = US"?";
1522
aec45841 1523uschar *warn_message_file = NULL;
059ec3d9 1524int warning_count = 0;
aec45841
JH		 1525uschar *warnmsg_delay = NULL;
1526uschar *warnmsg_recipients = NULL;
1527BOOL write_rejectlog = TRUE;
1528
059ec3d9
PH		 1529
1530/* End of globals.c */
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