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Use exim string facilities rather than custom parser for DKIM pubkey
[exim.git] / src / src / globals.c
CommitLineData
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
d185889f 185#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
bd8fbe36 186int (*lwr_receive_getc)(unsigned) = stdin_getc;
0d81dabc 187uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
7e3ce68e 188int (*lwr_receive_ungetc)(int) = stdin_ungetc;
bd8fbe36 189int (*receive_getc)(unsigned) = stdin_getc;
0d81dabc 190uschar * (*receive_getbuf)(unsigned *) = NULL;
584e96c6 191void (*receive_get_cache)(void)= NULL;
059ec3d9
PH		 192int (*receive_ungetc)(int) = stdin_ungetc;
193int (*receive_feof)(void) = stdin_feof;
194int (*receive_ferror)(void) = stdin_ferror;
58eb016e 195BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
059ec3d9
PH		 196#endif
197
198
199/* List of per-address expansion variables for clearing and saving/restoring
200when verifying one address while routing/verifying another. We have to have
201the size explicit, because it is referenced from more than one module. */
202
55414b25
JH		 203const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
216 CUSS &deliver_host,
217 CUSS &deliver_home,
218 CUSS &address_file,
219 CUSS &address_pipe,
220 CUSS &self_hostname,
059ec3d9
PH		 221 NULL };
222
223int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225/* General global variables */
226
71fafd95 227header_line *acl_added_headers = NULL;
059ec3d9 228tree_node *acl_anchor = NULL;
525239c1
JH		 229uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231int acl_narg = 0;
8f128379 232
e1d04f48
JH		 233int acl_level = 0;
234
059ec3d9 235uschar *acl_not_smtp = NULL;
54cdb463
PH		 236#ifdef WITH_CONTENT_SCAN
237uschar *acl_not_smtp_mime = NULL;
238#endif
45b91596 239uschar *acl_not_smtp_start = NULL;
e7568d51 240uschar *acl_removed_headers = NULL;
059ec3d9
PH		 241uschar *acl_smtp_auth = NULL;
242uschar *acl_smtp_connect = NULL;
243uschar *acl_smtp_data = NULL;
8ccd00b1 244#ifndef DISABLE_PRDR
ad07e9ad 245uschar *acl_smtp_data_prdr = US"accept";
fd98a5c6 246#endif
80a47a2c
TK		 247#ifndef DISABLE_DKIM
248uschar *acl_smtp_dkim = NULL;
249#endif
059ec3d9
PH		 250uschar *acl_smtp_etrn = NULL;
251uschar *acl_smtp_expn = NULL;
252uschar *acl_smtp_helo = NULL;
253uschar *acl_smtp_mail = NULL;
254uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 255#ifdef WITH_CONTENT_SCAN
256uschar *acl_smtp_mime = NULL;
257#endif
8f128379 258uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 259uschar *acl_smtp_predata = NULL;
260uschar *acl_smtp_quit = NULL;
261uschar *acl_smtp_rcpt = NULL;
262uschar *acl_smtp_starttls = NULL;
263uschar *acl_smtp_vrfy = NULL;
8f128379 264
059ec3d9 265BOOL acl_temp_details = FALSE;
38a0a95f
PH		 266tree_node *acl_var_c = NULL;
267tree_node *acl_var_m = NULL;
059ec3d9 268uschar *acl_verify_message = NULL;
059ec3d9
PH		 269string_item *acl_warn_logged = NULL;
270
271/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
273
274uschar *acl_wherenames[] = { US"RCPT",
275 US"MAIL",
276 US"PREDATA",
8523533c 277 US"MIME",
80a47a2c 278 US"DKIM",
059ec3d9 279 US"DATA",
8ccd00b1 280#ifndef DISABLE_PRDR
fd98a5c6
JH		 281 US"PRDR",
282#endif
059ec3d9
PH		 283 US"non-SMTP",
284 US"AUTH",
285 US"connection",
286 US"ETRN",
287 US"EXPN",
288 US"EHLO or HELO",
289 US"MAILAUTH",
45b91596 290 US"non-SMTP-start",
8f128379 291 US"NOTQUIT",
059ec3d9
PH		 292 US"QUIT",
293 US"STARTTLS",
723c72e6 294 US"VRFY",
faa05a93
JH		 295 US"delivery",
296 US"unknown"
059ec3d9
PH		 297 };
298
a5bd321b
PH		 299uschar *acl_wherecodes[] = { US"550", /* RCPT */
300 US"550", /* MAIL */
301 US"550", /* PREDATA */
302 US"550", /* MIME */
80a47a2c 303 US"550", /* DKIM */
a5bd321b 304 US"550", /* DATA */
8ccd00b1 305#ifndef DISABLE_PRDR
fd98a5c6
JH		 306 US"550", /* RCPT PRDR */
307#endif
a5bd321b
PH		 308 US"0", /* not SMTP; not relevant */
309 US"503", /* AUTH */
310 US"550", /* connect */
311 US"458", /* ETRN */
312 US"550", /* EXPN */
313 US"550", /* HELO/EHLO */
314 US"0", /* MAILAUTH; not relevant */
315 US"0", /* not SMTP; not relevant */
8f128379 316 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 317 US"0", /* QUIT; not relevant */
318 US"550", /* STARTTLS */
723c72e6 319 US"252", /* VRFY */
faa05a93 320 US"0", /* delivery; not relevant */
723c72e6 321 US"0" /* unknown; not relevant */
059ec3d9 322 };
8e669ac1 323
69358f02
PH		 324BOOL active_local_from_check = FALSE;
325BOOL active_local_sender_retain = FALSE;
9cbad13b 326BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
bc3c7bb7 327uschar *add_environment = NULL;
059ec3d9
PH		 328address_item *addr_duplicate = NULL;
329
330address_item address_defaults = {
331 NULL, /* next */
332 NULL, /* parent */
333 NULL, /* first */
334 NULL, /* dupof */
335 NULL, /* start_router */
336 NULL, /* router */
337 NULL, /* transport */
338 NULL, /* host_list */
339 NULL, /* host_used */
340 NULL, /* fallback_hosts */
341 NULL, /* reply */
342 NULL, /* retries */
343 NULL, /* address */
344 NULL, /* unique */
345 NULL, /* cc_local_part */
346 NULL, /* lc_local_part */
347 NULL, /* local_part */
348 NULL, /* prefix */
349 NULL, /* suffix */
350 NULL, /* domain */
351 NULL, /* address_retry_key */
352 NULL, /* domain_retry_key */
353 NULL, /* current_dir */
354 NULL, /* home_dir */
355 NULL, /* message */
356 NULL, /* user_message */
357 NULL, /* onetime_parent */
358 NULL, /* pipe_expandn */
359 NULL, /* return_filename */
360 NULL, /* self_hostname */
361 NULL, /* shadow_message */
895fbaf2 362#ifdef SUPPORT_TLS
059ec3d9 363 NULL, /* cipher */
9d1c15ef
JH		 364 NULL, /* ourcert */
365 NULL, /* peercert */
059ec3d9 366 NULL, /* peerdn */
018058b2 367 OCSP_NOT_REQ, /* ocsp */
895fbaf2
JH		 368#endif
369#ifdef EXPERIMENTAL_DSN_INFO
370 NULL, /* smtp_greeting */
371 NULL, /* helo_response */
372#endif
018c60d7
JH		 373 NULL, /* authenticator */
374 NULL, /* auth_id */
375 NULL, /* auth_sndr */
6c1c3d1d
WB		 376 NULL, /* dsn_orcpt */
377 0, /* dsn_flags */
378 0, /* dsn_aware */
059ec3d9
PH		 379 (uid_t)(-1), /* uid */
380 (gid_t)(-1), /* gid */
381 0, /* flags */
382 { 0 }, /* domain_cache - any larger array should be zeroed */
383 { 0 }, /* localpart_cache - ditto */
384 -1, /* mode */
385 0, /* more_errno */
32dfdf8b 386 0, /* delivery_usec */
059ec3d9
PH		 387 ERRNO_UNKNOWNERROR, /* basic_errno */
388 0, /* child_count */
389 -1, /* return_file */
390 SPECIAL_NONE, /* special_action */
391 DEFER, /* transport_return */
392 { /* fields that are propagated to children */
393 NULL, /* address_data */
394 NULL, /* domain_data */
395 NULL, /* localpart_data */
396 NULL, /* errors_address */
397 NULL, /* extra_headers */
398 NULL, /* remove_headers */
384152a6
TK		 399#ifdef EXPERIMENTAL_SRS
400 NULL, /* srs_sender */
7ade712c 401#endif
8c5d388a 402#ifdef SUPPORT_I18N
7ade712c 403 FALSE, /* utf8 */
384152a6 404#endif
059ec3d9
PH		 405 }
406};
407
408uschar *address_file = NULL;
409uschar *address_pipe = NULL;
410BOOL address_test_mode = FALSE;
411tree_node *addresslist_anchor = NULL;
412int addresslist_count = 0;
413gid_t *admin_groups = NULL;
414BOOL admin_user = FALSE;
c46782ef 415BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH		 416BOOL allow_domain_literals = FALSE;
417BOOL allow_mx_to_ip = FALSE;
418BOOL allow_unqualified_recipient = TRUE; /* For local messages */
419BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
420BOOL allow_utf8_domains = FALSE;
2d07a215 421uschar *authenticated_fail_id = NULL;
059ec3d9
PH		 422uschar *authenticated_id = NULL;
423uschar *authenticated_sender = NULL;
424BOOL authentication_failed = FALSE;
425auth_instance *auths = NULL;
426uschar *auth_advertise_hosts = US"*";
427auth_instance auth_defaults = {
428 NULL, /* chain pointer */
429 NULL, /* name */
430 NULL, /* info */
431 NULL, /* private options block pointer */
432 NULL, /* driver_name */
433 NULL, /* advertise_condition */
6c512171 434 NULL, /* client_condition */
059ec3d9
PH		 435 NULL, /* public_name */
436 NULL, /* set_id */
c8e2fc1e 437 NULL, /* set_client_id */
059ec3d9
PH		 438 NULL, /* server_mail_auth_condition */
439 NULL, /* server_debug_string */
16ff981e 440 NULL, /* server_condition */
059ec3d9
PH		 441 FALSE, /* client */
442 FALSE, /* server */
443 FALSE /* advertised */
444};
445
446uschar *auth_defer_msg = US"reason not recorded";
447uschar *auth_defer_user_msg = US"";
f78eb7c6 448uschar *auth_vars[AUTH_VARS];
059ec3d9 449int auto_thaw = 0;
8523533c 450#ifdef WITH_CONTENT_SCAN
9e949f00 451BOOL av_failed = FALSE;
8523533c
TK		 452uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
453#endif
059ec3d9
PH		 454
455BOOL background_daemon = TRUE;
9a799bc0
PH		 456
457#if BASE_62 == 62
059ec3d9
PH		 458uschar *base62_chars=
459 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 460#else
461uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
462#endif
463
059ec3d9
PH		 464uschar *bi_command = NULL;
465uschar *big_buffer = NULL;
466int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 467#ifdef EXPERIMENTAL_BRIGHTMAIL
468uschar *bmi_alt_location = NULL;
469uschar *bmi_base64_tracker_verdict = NULL;
470uschar *bmi_base64_verdict = NULL;
471uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
472int bmi_deliver = 1;
473int bmi_run = 0;
474uschar *bmi_verdicts = NULL;
475#endif
32b8ce41 476int bsmtp_transaction_linecount = 0;
939c3e34 477int body_8bitmime = 0;
059ec3d9
PH		 478int body_linecount = 0;
479int body_zerocount = 0;
480uschar *bounce_message_file = NULL;
481uschar *bounce_message_text = NULL;
482uschar *bounce_recipient = NULL;
483BOOL bounce_return_body = TRUE;
62b7cd08 484int bounce_return_linesize_limit = 998;
059ec3d9
PH		 485BOOL bounce_return_message = TRUE;
486int bounce_return_size_limit = 100*1024;
487uschar *bounce_sender_authentication = NULL;
32b8ce41 488uschar *builtin_macros_create_trigger = NULL;
059ec3d9 489
055e2cb4 490uschar *callout_address = NULL;
059ec3d9
PH		 491int callout_cache_domain_positive_expire = 7*24*60*60;
492int callout_cache_domain_negative_expire = 3*60*60;
493int callout_cache_positive_expire = 24*60*60;
494int callout_cache_negative_expire = 2*60*60;
495uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 496uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
ddf1b11a
JH		 497int check_log_inodes = 100;
498int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
a0d6ba8a 499BOOL check_rfc2047_length = TRUE;
ddf1b11a
JH		 500int check_spool_inodes = 100;
501int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
18481de3 502
aa368db3 503uschar *chunking_advertise_hosts = US"*";
18481de3 504unsigned chunking_datasize = 0;
7e3ce68e
JH		 505unsigned chunking_data_left = 0;
506BOOL chunking_offered = FALSE;
18481de3 507chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
f98442df 508const pcre *regex_CHUNKING = NULL;
18481de3 509
aa368db3
JH		 510uschar *client_authenticator = NULL;
511uschar *client_authenticated_id = NULL;
512uschar *client_authenticated_sender = NULL;
059ec3d9
PH		 513int clmacro_count = 0;
514uschar *clmacros[MAX_CLMACROS];
f33875c3 515BOOL commandline_checks_require_admin = FALSE;
059ec3d9
PH		 516BOOL config_changed = FALSE;
517FILE *config_file = NULL;
18d6b513 518const uschar *config_filename = NULL;
059ec3d9 519int config_lineno = 0;
35edf2ff
PH		 520#ifdef CONFIGURE_GROUP
521gid_t config_gid = CONFIGURE_GROUP;
19bfe9e7
HSHR		 522#else
523gid_t config_gid = 0;
35edf2ff 524#endif
059ec3d9
PH		 525uschar *config_main_filelist = US CONFIGURE_FILE
526 "\0<-----------Space to patch configure_filename->";
527uschar *config_main_filename = NULL;
98b8312f 528uschar *config_main_directory = NULL;
059ec3d9
PH		 529
530#ifdef CONFIGURE_OWNER
531uid_t config_uid = CONFIGURE_OWNER;
19bfe9e7
HSHR		 532#else
533uid_t config_uid = 0;
059ec3d9
PH		 534#endif
535
536int connection_max_messages= -1;
5013d912 537uschar *continue_proxy_cipher = NULL;
059ec3d9
PH		 538uschar *continue_hostname = NULL;
539uschar *continue_host_address = NULL;
540BOOL continue_more = FALSE;
541int continue_sequence = 1;
542uschar *continue_transport = NULL;
543
e5a9dba6 544uschar *csa_status = NULL;
5032d1cf 545cut_t cutthrough = {
57cc2785 546 FALSE, /* verify-only: normal delivery */
5032d1cf 547 FALSE, /* delivery: when to attempt */
ff5929e3 548 FALSE, /* on defer: spool locally */
57cc2785 549 FALSE, /* not a TLS conn yet */
5032d1cf
JH		 550 -1, /* fd: open connection */
551 0, /* nrcpt: number of addresses */
552};
e5a9dba6 553
059ec3d9
PH		 554BOOL daemon_listen = FALSE;
555uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 556int daemon_startup_retries = 9;
557int daemon_startup_sleep = 30;
6a8f9482
TK		 558
559#ifdef EXPERIMENTAL_DCC
560BOOL dcc_direct_add_header = FALSE;
561uschar *dcc_header = NULL;
562uschar *dcc_result = NULL;
563uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
564uschar *dccifd_options = US"header";
565#endif
566
3d235903 567BOOL debug_daemon = FALSE;
059ec3d9
PH		 568int debug_fd = -1;
569FILE *debug_file = NULL;
6c6d6e48
TF		 570int debug_notall[] = {
571 Di_memory,
572 -1
059ec3d9 573};
6c6d6e48
TF		 574bit_table debug_options[] = { /* must be in alphabetical order */
575 BIT_TABLE(D, acl),
576 BIT_TABLE(D, all),
577 BIT_TABLE(D, auth),
578 BIT_TABLE(D, deliver),
579 BIT_TABLE(D, dns),
580 BIT_TABLE(D, dnsbl),
581 BIT_TABLE(D, exec),
582 BIT_TABLE(D, expand),
583 BIT_TABLE(D, filter),
584 BIT_TABLE(D, hints_lookup),
585 BIT_TABLE(D, host_lookup),
586 BIT_TABLE(D, ident),
587 BIT_TABLE(D, interface),
588 BIT_TABLE(D, lists),
589 BIT_TABLE(D, load),
590 BIT_TABLE(D, local_scan),
591 BIT_TABLE(D, lookup),
592 BIT_TABLE(D, memory),
593 BIT_TABLE(D, pid),
594 BIT_TABLE(D, process_info),
595 BIT_TABLE(D, queue_run),
596 BIT_TABLE(D, receive),
597 BIT_TABLE(D, resolver),
598 BIT_TABLE(D, retry),
599 BIT_TABLE(D, rewrite),
600 BIT_TABLE(D, route),
601 BIT_TABLE(D, timestamp),
602 BIT_TABLE(D, tls),
603 BIT_TABLE(D, transport),
604 BIT_TABLE(D, uid),
605 BIT_TABLE(D, verify),
606};
607int debug_options_count = nelem(debug_options);
608
059ec3d9 609unsigned int debug_selector = 0;
64073d9c 610BOOL debug_store = FALSE;
059ec3d9 611int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 612uschar *delay_warning_condition=
613 US"${if or {"
e85a7ad5 614 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 615 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
616 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
617 "} {no}{yes}}";
059ec3d9
PH		 618BOOL delivery_date_remove = TRUE;
619uschar *deliver_address_data = NULL;
620int deliver_datafile = -1;
55414b25 621const uschar *deliver_domain = NULL;
059ec3d9 622uschar *deliver_domain_data = NULL;
55414b25
JH		 623const uschar *deliver_domain_orig = NULL;
624const uschar *deliver_domain_parent = NULL;
059ec3d9
PH		 625BOOL deliver_drop_privilege = FALSE;
626BOOL deliver_firsttime = FALSE;
627BOOL deliver_force = FALSE;
628BOOL deliver_freeze = FALSE;
19050083 629time_t deliver_frozen_at = 0;
059ec3d9 630uschar *deliver_home = NULL;
55414b25
JH		 631const uschar *deliver_host = NULL;
632const uschar *deliver_host_address = NULL;
a7538db1 633int deliver_host_port = 0;
059ec3d9
PH		 634uschar *deliver_in_buffer = NULL;
635ino_t deliver_inode = 0;
636uschar *deliver_localpart = NULL;
637uschar *deliver_localpart_data = NULL;
638uschar *deliver_localpart_orig = NULL;
639uschar *deliver_localpart_parent = NULL;
640uschar *deliver_localpart_prefix = NULL;
641uschar *deliver_localpart_suffix = NULL;
642BOOL deliver_force_thaw = FALSE;
643BOOL deliver_manual_thaw = FALSE;
644uschar *deliver_out_buffer = NULL;
645int deliver_queue_load_max = -1;
646address_item *deliver_recipients = NULL;
647uschar *deliver_selectstring = NULL;
648BOOL deliver_selectstring_regex = FALSE;
649uschar *deliver_selectstring_sender = NULL;
650BOOL deliver_selectstring_sender_regex = FALSE;
4c590bd1 651BOOL disable_callout_flush = FALSE;
047bdd8c 652BOOL disable_delay_flush = FALSE;
54fc8428
PH		 653#ifdef ENABLE_DISABLE_FSYNC
654BOOL disable_fsync = FALSE;
655#endif
7e66e54d 656BOOL disable_ipv6 = FALSE;
059ec3d9
PH		 657BOOL disable_logging = FALSE;
658
80a47a2c 659#ifndef DISABLE_DKIM
abe1010c 660BOOL dkim_collect_input = FALSE;
2df588c9 661uschar *dkim_cur_signer = NULL;
abe1010c
JH		 662BOOL dkim_disable_verify = FALSE;
663int dkim_key_length = 0;
9e5d6b55 664uschar *dkim_signers = NULL;
f7572e5a
TK		 665uschar *dkim_signing_domain = NULL;
666uschar *dkim_signing_selector = NULL;
9e5d6b55 667uschar *dkim_verify_signers = US"$dkim_signers";
f7572e5a 668#endif
4840604e 669#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 670BOOL dmarc_has_been_checked = FALSE;
4840604e 671uschar *dmarc_ar_header = NULL;
8c8b8274 672uschar *dmarc_domain_policy = NULL;
4840604e
TL		 673uschar *dmarc_forensic_sender = NULL;
674uschar *dmarc_history_file = NULL;
675uschar *dmarc_status = NULL;
676uschar *dmarc_status_text = NULL;
677uschar *dmarc_tld_file = NULL;
678uschar *dmarc_used_domain = NULL;
679BOOL dmarc_disable_verify = FALSE;
680BOOL dmarc_enable_forensic = FALSE;
681#endif
f7572e5a 682
059ec3d9 683uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH		 684int dns_csa_search_limit = 5;
685BOOL dns_csa_use_reverse = TRUE;
e682570f
TL		 686#ifdef EXPERIMENTAL_DANE
687int dns_dane_ok = -1;
688#endif
059ec3d9
PH		 689uschar *dns_ipv4_lookup = NULL;
690int dns_retrans = 0;
691int dns_retry = 0;
0fbd9bff 692int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 693uschar *dns_trust_aa = NULL;
e97d1f08 694int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 695uschar *dnslist_domain = NULL;
93655c46 696uschar *dnslist_matched = NULL;
059ec3d9
PH		 697uschar *dnslist_text = NULL;
698uschar *dnslist_value = NULL;
699tree_node *domainlist_anchor = NULL;
700int domainlist_count = 0;
701BOOL dont_deliver = FALSE;
702BOOL dot_ends = TRUE;
703BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 704uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH		 705
706BOOL enable_dollar_recipients = FALSE;
707BOOL envelope_to_remove = TRUE;
708int errno_quota = ERRNO_QUOTA;
709uschar *errors_copy = NULL;
710int error_handling = ERRORS_SENDER;
711uschar *errors_reply_to = NULL;
712int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 713#ifndef DISABLE_EVENT
723fe533 714uschar *event_action = NULL; /* expansion for delivery events */
4c04137d 715uschar *event_data = NULL; /* auxiliary data variable for event */
723fe533 716int event_defer_errno = 0;
55414b25 717const uschar *event_name = NULL; /* event name variable */
723fe533
JH		 718#endif
719
059ec3d9
PH		 720
721gid_t exim_gid = EXIM_GID;
722BOOL exim_gid_set = TRUE; /* This gid is always set */
723uschar *exim_path = US BIN_DIRECTORY "/exim"
724 "\0<---------------Space to patch exim_path->";
725uid_t exim_uid = EXIM_UID;
726BOOL exim_uid_set = TRUE; /* This uid is always set */
e1d04f48 727int expand_level = 0; /* Nesting depth, indent for debug */
059ec3d9
PH		 728int expand_forbid = 0;
729int expand_nlength[EXPAND_MAXN+1];
730int expand_nmax = -1;
731uschar *expand_nstring[EXPAND_MAXN+1];
732BOOL expand_string_forcedfail = FALSE;
733uschar *expand_string_message;
734BOOL extract_addresses_remove_arguments = TRUE;
735uschar *extra_local_interfaces = NULL;
736
29aba418 737int fake_response = OK;
0e22dfd1
PH		 738uschar *fake_response_text = US"Your message has been rejected but is "
739 "being kept for evaluation.\nIf it was a "
740 "legitimate message, it may still be "
741 "delivered to the target recipient(s).";
059ec3d9
PH		 742int filter_n[FILTER_VARIABLE_COUNT];
743BOOL filter_running = FALSE;
744int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 745int filter_test = FTEST_NONE;
746uschar *filter_test_sfile = NULL;
747uschar *filter_test_ufile = NULL;
059ec3d9
PH		 748uschar *filter_thisaddress = NULL;
749int finduser_retries = 0;
750uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
751uschar *freeze_tell = NULL;
6a3f1455 752uschar *freeze_tell_config = NULL;
059ec3d9
PH		 753uschar *fudged_queue_times = US"";
754
755uschar *gecos_name = NULL;
756uschar *gecos_pattern = NULL;
757rewrite_rule *global_rewrite_rules = NULL;
758
759uschar *headers_charset = US HEADERS_CHARSET;
760int header_insert_maxlen = 64 * 1024;
761header_line *header_last = NULL;
762header_line *header_list = NULL;
763int header_maxsize = HEADER_MAXSIZE;
764int header_line_maxsize = 0;
765
766header_name header_names[] = {
767 { US"bcc", 3, TRUE, htype_bcc },
768 { US"cc", 2, TRUE, htype_cc },
769 { US"date", 4, TRUE, htype_date },
770 { US"delivery-date", 13, FALSE, htype_delivery_date },
771 { US"envelope-to", 11, FALSE, htype_envelope_to },
772 { US"from", 4, TRUE, htype_from },
773 { US"message-id", 10, TRUE, htype_id },
774 { US"received", 8, FALSE, htype_received },
775 { US"reply-to", 8, FALSE, htype_reply_to },
776 { US"return-path", 11, FALSE, htype_return_path },
777 { US"sender", 6, TRUE, htype_sender },
778 { US"subject", 7, FALSE, htype_subject },
779 { US"to", 2, TRUE, htype_to }
780};
781
782int header_names_size = sizeof(header_names)/sizeof(header_name);
783
784BOOL header_rewritten = FALSE;
785uschar *helo_accept_junk_hosts = NULL;
786uschar *helo_allow_chars = US"";
787uschar *helo_lookup_domains = US"@ : @[]";
788uschar *helo_try_verify_hosts = NULL;
789BOOL helo_verified = FALSE;
d7b47fd0 790BOOL helo_verify_failed = FALSE;
059ec3d9 791uschar *helo_verify_hosts = NULL;
1ba28e2b 792const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH		 793uschar *hold_domains = NULL;
794BOOL host_checking = FALSE;
795BOOL host_checking_callout = FALSE;
796uschar *host_data = NULL;
797BOOL host_find_failed_syntax= FALSE;
798uschar *host_lookup = NULL;
b08b24c8 799BOOL host_lookup_deferred = FALSE;
059ec3d9
PH		 800BOOL host_lookup_failed = FALSE;
801uschar *host_lookup_order = US"bydns:byaddr";
802uschar *host_lookup_msg = US"";
803int host_number = 0;
804uschar *host_number_string = NULL;
805uschar *host_reject_connection = NULL;
806tree_node *hostlist_anchor = NULL;
807int hostlist_count = 0;
808uschar *hosts_treat_as_local = NULL;
809uschar *hosts_connection_nolog = NULL;
810
811int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
812BOOL ignore_fromline_local = FALSE;
813uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP		 814BOOL inetd_wait_mode = FALSE;
815int inetd_wait_timeout = -1;
3615fa9a 816uschar *initial_cwd = NULL;
059ec3d9
PH		 817uschar *interface_address = NULL;
818int interface_port = -1;
819BOOL is_inetd = FALSE;
0ce9abe6 820uschar *iterate_item = NULL;
059ec3d9
PH		 821
822int journal_fd = -1;
823
bc3c7bb7
HSHR		 824uschar *keep_environment = NULL;
825
059ec3d9
PH		 826int keep_malformed = 4*24*60*60; /* 4 days */
827
828uschar *eldap_dn = NULL;
829int load_average = -2;
830BOOL local_error_message = FALSE;
831BOOL local_from_check = TRUE;
832uschar *local_from_prefix = NULL;
833uschar *local_from_suffix = NULL;
834
835#if HAVE_IPV6
836uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
837#else
838uschar *local_interfaces = US"0.0.0.0";
839#endif
840
841uschar *local_scan_data = NULL;
842int local_scan_timeout = 5*60;
843BOOL local_sender_retain = FALSE;
844gid_t local_user_gid = (gid_t)(-1);
845uid_t local_user_uid = (uid_t)(-1);
846
847tree_node *localpartlist_anchor= NULL;
848int localpartlist_count = 0;
849uschar *log_buffer = NULL;
6c6d6e48
TF		 850
851int log_default[] = { /* for initializing log_selector */
852 Li_acl_warn_skipped,
853 Li_connection_reject,
854 Li_delay_delivery,
855 Li_dnslist_defer,
856 Li_etrn,
857 Li_host_lookup_failed,
858 Li_lost_incoming_connection,
ac881e27 859 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF		 860 Li_queue_run,
861 Li_rejected_header,
862 Li_retry_defer,
863 Li_sender_verify_fail,
864 Li_size_reject,
865 Li_skip_delivery,
866 Li_smtp_confirmation,
867 Li_tls_certificate_verified,
868 Li_tls_cipher,
869 -1
870};
871
059ec3d9
PH		 872uschar *log_file_path = US LOG_FILE_PATH
873 "\0<--------------Space to patch log_file_path->";
874
6c6d6e48
TF		 875int log_notall[] = {
876 -1
877};
878bit_table log_options[] = { /* must be in alphabetical order */
879 BIT_TABLE(L, 8bitmime),
880 BIT_TABLE(L, acl_warn_skipped),
881 BIT_TABLE(L, address_rewrite),
882 BIT_TABLE(L, all),
883 BIT_TABLE(L, all_parents),
884 BIT_TABLE(L, arguments),
885 BIT_TABLE(L, connection_reject),
886 BIT_TABLE(L, delay_delivery),
887 BIT_TABLE(L, deliver_time),
888 BIT_TABLE(L, delivery_size),
889 BIT_TABLE(L, dnslist_defer),
fc16abb4 890 BIT_TABLE(L, dnssec),
6c6d6e48
TF		 891 BIT_TABLE(L, etrn),
892 BIT_TABLE(L, host_lookup_failed),
893 BIT_TABLE(L, ident_timeout),
894 BIT_TABLE(L, incoming_interface),
895 BIT_TABLE(L, incoming_port),
896 BIT_TABLE(L, lost_incoming_connection),
571b2715 897 BIT_TABLE(L, millisec),
ac881e27 898 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF		 899 BIT_TABLE(L, outgoing_port),
900 BIT_TABLE(L, pid),
e6d2a989 901#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
6c6d6e48
TF		 902 BIT_TABLE(L, proxy),
903#endif
904 BIT_TABLE(L, queue_run),
905 BIT_TABLE(L, queue_time),
906 BIT_TABLE(L, queue_time_overall),
907 BIT_TABLE(L, received_recipients),
908 BIT_TABLE(L, received_sender),
909 BIT_TABLE(L, rejected_header),
910 { US"rejected_headers", Li_rejected_header },
911 BIT_TABLE(L, retry_defer),
912 BIT_TABLE(L, return_path_on_delivery),
913 BIT_TABLE(L, sender_on_delivery),
914 BIT_TABLE(L, sender_verify_fail),
915 BIT_TABLE(L, size_reject),
916 BIT_TABLE(L, skip_delivery),
917 BIT_TABLE(L, smtp_confirmation),
918 BIT_TABLE(L, smtp_connection),
919 BIT_TABLE(L, smtp_incomplete_transaction),
920 BIT_TABLE(L, smtp_mailauth),
921 BIT_TABLE(L, smtp_no_mail),
922 BIT_TABLE(L, smtp_protocol_error),
923 BIT_TABLE(L, smtp_syntax_error),
924 BIT_TABLE(L, subject),
925 BIT_TABLE(L, tls_certificate_verified),
926 BIT_TABLE(L, tls_cipher),
927 BIT_TABLE(L, tls_peerdn),
928 BIT_TABLE(L, tls_sni),
929 BIT_TABLE(L, unknown_in_list),
059ec3d9 930};
6c6d6e48 931int log_options_count = nelem(log_options);
059ec3d9 932
6ea85e9a 933int log_reject_target = 0;
6c6d6e48 934unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH		 935uschar *log_selector_string = NULL;
936FILE *log_stderr = NULL;
937BOOL log_testing_mode = FALSE;
938BOOL log_timezone = FALSE;
939uschar *login_sender_address = NULL;
4e0983dc 940uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH		 941int lookup_open_max = 25;
942uschar *lookup_value = NULL;
943
059ec3d9 944uschar *mailstore_basename = NULL;
8523533c
TK		 945#ifdef WITH_CONTENT_SCAN
946uschar *malware_name = NULL; /* Virus Name */
947#endif
d677b2f2 948int max_received_linelength= 0;
059ec3d9
PH		 949int max_username_length = 0;
950int message_age = 0;
951uschar *message_body = NULL;
952uschar *message_body_end = NULL;
ddea74fa 953BOOL message_body_newlines = FALSE;
059ec3d9
PH		 954int message_body_size = 0;
955int message_body_visible = 500;
956int message_ended = END_NOTSTARTED;
957uschar *message_headers = NULL;
958uschar *message_id;
959uschar *message_id_domain = NULL;
960uschar *message_id_text = NULL;
961struct timeval message_id_tv = { 0, 0 };
962uschar message_id_option[MESSAGE_ID_LENGTH + 3];
963uschar *message_id_external;
964int message_linecount = 0;
965BOOL message_logs = TRUE;
966int message_size = 0;
967uschar *message_size_limit = US"50M";
8c5d388a 968#ifdef SUPPORT_I18N
eb02f5df 969BOOL message_smtputf8 = FALSE;
3c8b3577 970int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 971#endif
059ec3d9
PH		 972uschar message_subdir[2] = { 0, 0 };
973uschar *message_reference = NULL;
8523533c
TK		 974
975/* MIME ACL expandables */
976#ifdef WITH_CONTENT_SCAN
f7b63901 977int mime_anomaly_level = 0;
1ba28e2b 978const uschar *mime_anomaly_text = NULL;
8523533c
TK		 979uschar *mime_boundary = NULL;
980uschar *mime_charset = NULL;
981uschar *mime_content_description = NULL;
982uschar *mime_content_disposition = NULL;
983uschar *mime_content_id = NULL;
984unsigned int mime_content_size = 0;
985uschar *mime_content_transfer_encoding = NULL;
986uschar *mime_content_type = NULL;
987uschar *mime_decoded_filename = NULL;
988uschar *mime_filename = NULL;
989int mime_is_multipart = 0;
990int mime_is_coverletter = 0;
991int mime_is_rfc822 = 0;
992int mime_part_count = -1;
993#endif
994
059ec3d9
PH		 995BOOL mua_wrapper = FALSE;
996
997uid_t *never_users = NULL;
8523533c
TK		 998#ifdef WITH_CONTENT_SCAN
999BOOL no_mbox_unspool = FALSE;
1000#endif
059ec3d9
PH		 1001BOOL no_multiline_responses = FALSE;
1002
fb05276a
JH		 1003const int on = 1; /* for setsockopt */
1004const int off = 0;
1005
059ec3d9
PH		 1006uid_t original_euid;
1007gid_t originator_gid;
1008uschar *originator_login = NULL;
1009uschar *originator_name = NULL;
1010uid_t originator_uid;
1011uschar *override_local_interfaces = NULL;
1012uschar *override_pid_file_path = NULL;
1013
1014BOOL parse_allow_group = FALSE;
1015BOOL parse_found_group = FALSE;
1016uschar *percent_hack_domains = NULL;
1017uschar *pid_file_path = US PID_FILE_PATH
1018 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 1019BOOL pipelining_enable = TRUE;
059ec3d9
PH		 1020uschar *pipelining_advertise_hosts = US"*";
1021BOOL preserve_message_logs = FALSE;
1022uschar *primary_hostname = NULL;
1023BOOL print_topbitchars = FALSE;
1024uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1025int process_info_len = 0;
059ec3d9
PH		 1026uschar *process_log_path = NULL;
1027BOOL prod_requires_admin = TRUE;
a3c86431 1028
e6d2a989 1029#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 1030uschar *hosts_proxy = US"";
e6d2a989
JH		 1031uschar *proxy_external_address = US"";
1032int proxy_external_port = 0;
1033uschar *proxy_local_address = US"";
1034int proxy_local_port = 0;
a3c86431
TL		 1035BOOL proxy_session = FALSE;
1036BOOL proxy_session_failed = FALSE;
1037#endif
1038
fffda43a
TK		 1039uschar *prvscheck_address = NULL;
1040uschar *prvscheck_keynum = NULL;
1041uschar *prvscheck_result = NULL;
1042
059ec3d9 1043
55414b25 1044const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH		 1045uschar *qualify_domain_sender = NULL;
1046BOOL queue_2stage = FALSE;
1047uschar *queue_domains = NULL;
1048int queue_interval = -1;
1049BOOL queue_list_requires_admin = TRUE;
a2da3176 1050uschar *queue_name = US"";
059ec3d9
PH		 1051BOOL queue_only = FALSE;
1052uschar *queue_only_file = NULL;
1053int queue_only_load = -1;
8669f003 1054BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 1055BOOL queue_only_override = TRUE;
1056BOOL queue_only_policy = FALSE;
1057BOOL queue_run_first_delivery = FALSE;
1058BOOL queue_run_force = FALSE;
1059BOOL queue_run_in_order = FALSE;
1060BOOL queue_run_local = FALSE;
0cd5fd23 1061uschar *queue_run_max = US"5";
059ec3d9
PH		 1062pid_t queue_run_pid = (pid_t)0;
1063int queue_run_pipe = -1;
1064BOOL queue_running = FALSE;
1065BOOL queue_smtp = FALSE;
1066uschar *queue_smtp_domains = NULL;
1067
1068unsigned int random_seed = 0;
fe0dab11 1069tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 1070tree_node *ratelimiters_conn = NULL;
1071tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 1072uschar *raw_active_hostname = NULL;
1073uschar *raw_sender = NULL;
1074uschar **raw_recipients = NULL;
1075int raw_recipients_count = 0;
1076
1077int rcpt_count = 0;
1078int rcpt_fail_count = 0;
1079int rcpt_defer_count = 0;
1080gid_t real_gid;
1081uid_t real_uid;
1082BOOL really_exim = TRUE;
1083BOOL receive_call_bombout = FALSE;
1084int receive_linecount = 0;
1085int receive_messagecount = 0;
1086int receive_timeout = 0;
1087int received_count = 0;
1088uschar *received_for = NULL;
1089
1090/* This is the default text for Received headers generated by Exim. The
1091date will be automatically added on the end. */
1092
1093uschar *received_header_text = US
1094 "Received: "
1095 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1096 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 1097 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1098 "by $primary_hostname "
1099 "${if def:received_protocol {with $received_protocol}} "
1100 #ifdef SUPPORT_TLS
1101 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1102 #endif
1103 "(Exim $version_number)\n\t"
3e46c1aa 1104 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1105 "id $message_exim_id"
059ec3d9
PH		 1106 "${if def:received_for {\n\tfor $received_for}}"
1107 "\0<---------------Space to patch received_header_text->";
1108
1109int received_headers_max = 30;
1110uschar *received_protocol = NULL;
32dfdf8b 1111struct timeval received_time = { 0, 0 };
059ec3d9
PH		 1112uschar *recipient_data = NULL;
1113uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1114uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 1115int recipients_count = 0;
1116BOOL recipients_discarded = FALSE;
1117recipient_item *recipients_list = NULL;
1118int recipients_list_max = 0;
1119int recipients_max = 0;
1120BOOL recipients_max_reject = FALSE;
1121const pcre *regex_AUTH = NULL;
1122const pcre *regex_check_dns_names = NULL;
1123const pcre *regex_From = NULL;
f1513293 1124const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1125const pcre *regex_PIPELINING = NULL;
1126const pcre *regex_SIZE = NULL;
1127const pcre *regex_ismsgid = NULL;
f38917cc
JH		 1128const pcre *regex_smtp_code = NULL;
1129uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP		 1130#ifdef WHITELIST_D_MACROS
1131const pcre *regex_whitelisted_macro = NULL;
1132#endif
8523533c
TK		 1133#ifdef WITH_CONTENT_SCAN
1134uschar *regex_match_string = NULL;
1135#endif
059ec3d9
PH		 1136int remote_delivery_count = 0;
1137int remote_max_parallel = 2;
1138uschar *remote_sort_domains = NULL;
1139int retry_data_expire = 7*24*60*60;
1140int retry_interval_max = 24*60*60;
1141int retry_maximum_timeout = 0; /* set from retry config */
1142retry_config *retries = NULL;
1143uschar *return_path = NULL;
1144BOOL return_path_remove = TRUE;
1145int rewrite_existflags = 0;
f926e272
JH		 1146uschar *rfc1413_hosts = US"@[]";
1147int rfc1413_query_timeout = 0;
059ec3d9 1148/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1149uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1150uid_t root_uid = ROOT_UID;
1151
1152router_instance *routers = NULL;
1153router_instance router_defaults = {
1154 NULL, /* chain pointer */
1155 NULL, /* name */
1156 NULL, /* info */
1157 NULL, /* private options block pointer */
1158 NULL, /* driver name */
1159
1160 NULL, /* address_data */
8523533c
TK		 1161#ifdef EXPERIMENTAL_BRIGHTMAIL
1162 NULL, /* bmi_rule */
8e669ac1 1163#endif
059ec3d9
PH		 1164 NULL, /* cannot_route_message */
1165 NULL, /* condition */
1166 NULL, /* current_directory */
1167 NULL, /* debug_string */
1168 NULL, /* domains */
1169 NULL, /* errors_to */
1170 NULL, /* expand_gid */
1171 NULL, /* expand_uid */
1172 NULL, /* expand_more */
1173 NULL, /* expand_unseen */
1174 NULL, /* extra_headers */
1175 NULL, /* fallback_hosts */
1176 NULL, /* home_directory */
1177 NULL, /* ignore_target_hosts */
1178 NULL, /* local_parts */
1179 NULL, /* pass_router_name */
1180 NULL, /* prefix */
1181 NULL, /* redirect_router_name */
1182 NULL, /* remove_headers */
1183 NULL, /* require_files */
1184 NULL, /* router_home_directory */
1185 US"freeze", /* self */
1186 NULL, /* senders */
1187 NULL, /* suffix */
1188 NULL, /* translate_ip_address */
1189 NULL, /* transport_name */
1190
1191 TRUE, /* address_test */
8523533c
TK		 1192#ifdef EXPERIMENTAL_BRIGHTMAIL
1193 FALSE, /* bmi_deliver_alternate */
1194 FALSE, /* bmi_deliver_default */
1195 FALSE, /* bmi_dont_deliver */
1196#endif
059ec3d9
PH		 1197 TRUE, /* expn */
1198 FALSE, /* caseful_local_part */
1199 FALSE, /* check_local_user */
1200 FALSE, /* disable_logging */
1201 FALSE, /* fail_verify_recipient */
1202 FALSE, /* fail_verify_sender */
1203 FALSE, /* gid_set */
1204 FALSE, /* initgroups */
1205 TRUE_UNSET, /* log_as_local */
1206 TRUE, /* more */
1207 FALSE, /* pass_on_timeout */
1208 FALSE, /* prefix_optional */
1209 TRUE, /* repeat_use */
1210 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1211 FALSE, /* same_domain_copy_routing */
1212 FALSE, /* self_rewrite */
1213 FALSE, /* suffix_optional */
1214 FALSE, /* verify_only */
1215 TRUE, /* verify_recipient */
1216 TRUE, /* verify_sender */
1217 FALSE, /* uid_set */
1218 FALSE, /* unseen */
6c1c3d1d 1219 FALSE, /* dsn_lasthop */
059ec3d9
PH		 1220
1221 self_freeze, /* self_code */
1222 (uid_t)(-1), /* uid */
1223 (gid_t)(-1), /* gid */
1224
1225 NULL, /* fallback_hostlist */
1226 NULL, /* transport instance */
1227 NULL, /* pass_router */
99c1bb4e
HSHR		 1228 NULL, /* redirect_router */
1229
0539a19d 1230 { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH		 1231};
1232
181d9bf8
JH		 1233uschar *router_name = NULL;
1234
059ec3d9
PH		 1235ip_address_item *running_interfaces = NULL;
1236BOOL running_in_test_harness = FALSE;
1237
1238/* This is a weird one. The following string gets patched in the binary by the
1239script that sets up a copy of Exim for running in the test harness. It seems
1240that compilers are now clever, and share constant strings if they can.
1241Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1242make use of the end of this string in order to save space. So the patching then
8669f003 1243wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1244onto the end of the string. */
1245
1246uschar *running_status = US">>>running<<<" "\0EXTRA";
1247
1248int runrc = 0;
1249
1250uschar *search_error_message = NULL;
1251BOOL search_find_defer = FALSE;
1252uschar *self_hostname = NULL;
1253uschar *sender_address = NULL;
1254unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1255uschar *sender_address_data = NULL;
059ec3d9
PH		 1256BOOL sender_address_forced = FALSE;
1257uschar *sender_address_unrewritten = NULL;
1258uschar *sender_data = NULL;
1259unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1260uschar *sender_fullhost = NULL;
1705dd20 1261BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH		 1262uschar *sender_helo_name = NULL;
1263uschar **sender_host_aliases = &no_aliases;
1264uschar *sender_host_address = NULL;
1265uschar *sender_host_authenticated = NULL;
1266unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1267BOOL sender_host_dnssec = FALSE;
059ec3d9
PH		 1268uschar *sender_host_name = NULL;
1269int sender_host_port = 0;
1270BOOL sender_host_notsocket = FALSE;
1271BOOL sender_host_unknown = FALSE;
1272uschar *sender_ident = NULL;
1273BOOL sender_local = FALSE;
2fe1a124 1274BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1275uschar *sender_rate = NULL;
1276uschar *sender_rate_limit = NULL;
1277uschar *sender_rate_period = NULL;
059ec3d9
PH		 1278uschar *sender_rcvhost = NULL;
1279BOOL sender_set_untrusted = FALSE;
1280uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1281uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1282address_item *sender_verified_list = NULL;
1283address_item *sender_verified_failed = NULL;
1284int sender_verified_rc = -1;
1285BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1286uschar *sending_ip_address = NULL;
1287int sending_port = -1;
cd59ab18 1288SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1289uschar **sighup_argv = NULL;
846430d9 1290int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH		 1291int smtp_accept_count = 0;
1292BOOL smtp_accept_keepalive = TRUE;
1293int smtp_accept_max = 20;
1294int smtp_accept_max_nonmail= 10;
1295uschar *smtp_accept_max_nonmail_hosts = US"*";
1296int smtp_accept_max_per_connection = 1000;
1297uschar *smtp_accept_max_per_host = NULL;
1298int smtp_accept_queue = 0;
1299int smtp_accept_queue_per_connection = 10;
1300int smtp_accept_reserve = 0;
1301uschar *smtp_active_hostname = NULL;
1302BOOL smtp_authenticated = FALSE;
1f5b4c3d 1303uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1304 "Exim $version_number $tod_full"
1305 "\0<---------------Space to patch smtp_banner->";
1306BOOL smtp_batched_input = FALSE;
1307BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1308int smtp_ch_index = 0;
3ee512ff
PH		 1309uschar *smtp_cmd_argument = NULL;
1310uschar *smtp_cmd_buffer = NULL;
0f1a8658 1311struct timeval smtp_connection_start = {0,0};
b4ed4da0 1312uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1313int smtp_connect_backlog = 20;
1314double smtp_delay_mail = 0.0;
1315double smtp_delay_rcpt = 0.0;
1316BOOL smtp_enforce_sync = TRUE;
1317FILE *smtp_in = NULL;
1318BOOL smtp_input = FALSE;
1319int smtp_load_reserve = -1;
1320int smtp_mailcmd_count = 0;
1321FILE *smtp_out = NULL;
1322uschar *smtp_etrn_command = NULL;
1323BOOL smtp_etrn_serialize = TRUE;
1324int smtp_max_synprot_errors= 3;
1325int smtp_max_unknown_commands = 3;
8f128379 1326uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1327uschar *smtp_ratelimit_hosts = NULL;
1328uschar *smtp_ratelimit_mail = NULL;
1329uschar *smtp_ratelimit_rcpt = NULL;
1330uschar *smtp_read_error = US"";
1331int smtp_receive_timeout = 5*60;
1ad6489e 1332uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH		 1333uschar *smtp_reserve_hosts = NULL;
1334BOOL smtp_return_error_details = FALSE;
1335int smtp_rlm_base = 0;
1336double smtp_rlm_factor = 0.0;
1337int smtp_rlm_limit = 0;
1338int smtp_rlm_threshold = INT_MAX;
1339int smtp_rlr_base = 0;
1340double smtp_rlr_factor = 0.0;
1341int smtp_rlr_limit = 0;
1342int smtp_rlr_threshold = INT_MAX;
2d14f397
JH		 1343unsigned smtp_peer_options = 0;
1344unsigned smtp_peer_options_wrap= 0;
8c5d388a 1345#ifdef SUPPORT_I18N
9d4319df 1346uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1347#endif
8523533c
TK		 1348
1349#ifdef WITH_CONTENT_SCAN
1350uschar *spamd_address = US"127.0.0.1 783";
1351uschar *spam_bar = NULL;
1352uschar *spam_report = NULL;
c5f280e2 1353uschar *spam_action = NULL;
8523533c
TK		 1354uschar *spam_score = NULL;
1355uschar *spam_score_int = NULL;
1356#endif
1357#ifdef EXPERIMENTAL_SPF
65a7d8c3 1358uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1359uschar *spf_header_comment = NULL;
1360uschar *spf_received = NULL;
1361uschar *spf_result = NULL;
1362uschar *spf_smtp_comment = NULL;
1363#endif
1364
059ec3d9
PH		 1365BOOL split_spool_directory = FALSE;
1366uschar *spool_directory = US SPOOL_DIRECTORY
1367 "\0<--------------Space to patch spool_directory->";
328c5688
JH		 1368BOOL spool_file_wireformat = FALSE;
1369BOOL spool_wireformat = FALSE;
8523533c
TK		 1370#ifdef EXPERIMENTAL_SRS
1371uschar *srs_config = NULL;
1372uschar *srs_db_address = NULL;
1373uschar *srs_db_key = NULL;
384152a6
TK		 1374int srs_hashlength = 6;
1375int srs_hashmin = -1;
1376int srs_maxage = 31;
8523533c
TK		 1377uschar *srs_orig_recipient = NULL;
1378uschar *srs_orig_sender = NULL;
1379uschar *srs_recipient = NULL;
384152a6 1380uschar *srs_secrets = NULL;
8523533c 1381uschar *srs_status = NULL;
384152a6
TK		 1382BOOL srs_usehash = TRUE;
1383BOOL srs_usetimestamp = TRUE;
8e669ac1 1384#endif
38a0a95f 1385BOOL strict_acl_vars = FALSE;
059ec3d9 1386int string_datestamp_offset= -1;
f1e5fef5
PP		 1387int string_datestamp_length= 0;
1388int string_datestamp_type = -1;
059ec3d9
PH		 1389BOOL strip_excess_angle_brackets = FALSE;
1390BOOL strip_trailing_dot = FALSE;
1391uschar *submission_domain = NULL;
1392BOOL submission_mode = FALSE;
2fe1a124 1393uschar *submission_name = NULL;
8800895a 1394BOOL suppress_local_fixups = FALSE;
f4ee74ac 1395BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH		 1396BOOL synchronous_delivery = FALSE;
1397BOOL syslog_duplication = TRUE;
1398int syslog_facility = LOG_MAIL;
2333e06f 1399BOOL syslog_pid = TRUE;
059ec3d9
PH		 1400uschar *syslog_processname = US"exim";
1401BOOL syslog_timestamp = TRUE;
1402uschar *system_filter = NULL;
1403
1404uschar *system_filter_directory_transport = NULL;
1405uschar *system_filter_file_transport = NULL;
1406uschar *system_filter_pipe_transport = NULL;
1407uschar *system_filter_reply_transport = NULL;
1408
1409gid_t system_filter_gid = 0;
1410BOOL system_filter_gid_set = FALSE;
79d4bc3d 1411uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1412BOOL system_filter_uid_set = FALSE;
1413BOOL system_filtering = FALSE;
1414
6af7e591 1415BOOL tcp_fastopen_ok = FALSE;
059ec3d9 1416BOOL tcp_nodelay = TRUE;
5dc43717
JJ		 1417#ifdef USE_TCP_WRAPPERS
1418uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1419#endif
8669f003 1420int test_harness_load_avg = 0;
059ec3d9
PH		 1421int thismessage_size_limit = 0;
1422int timeout_frozen_after = 0;
1423BOOL timestamps_utc = FALSE;
1424
1425transport_instance *transports = NULL;
1426
1427transport_instance transport_defaults = {
1428 NULL, /* chain pointer */
1429 NULL, /* name */
1430 NULL, /* info */
1431 NULL, /* private options block pointer */
1432 NULL, /* driver name */
1433 NULL, /* setup entry point */
1434 1, /* batch_max */
1435 NULL, /* batch_id */
1436 NULL, /* home_dir */
1437 NULL, /* current_dir */
506900af 1438 NULL, /* expand-multi-domain */
059ec3d9
PH		 1439 TRUE, /* multi-domain */
1440 FALSE, /* overrides_hosts */
1441 100, /* max_addresses */
1442 500, /* connection_max_messages */
1443 FALSE, /* deliver_as_creator */
1444 FALSE, /* disable_logging */
1445 FALSE, /* initgroups */
1446 FALSE, /* uid_set */
1447 FALSE, /* gid_set */
1448 (uid_t)(-1), /* uid */
1449 (gid_t)(-1), /* gid */
1450 NULL, /* expand_uid */
1451 NULL, /* expand_gid */
1452 NULL, /* warn_message */
1453 NULL, /* shadow */
1454 NULL, /* shadow_condition */
1455 NULL, /* filter_command */
1456 NULL, /* add_headers */
1457 NULL, /* remove_headers */
1458 NULL, /* return_path */
1459 NULL, /* debug_string */
fa41615d 1460 NULL, /* max_parallel */
059ec3d9
PH		 1461 NULL, /* message_size_limit */
1462 NULL, /* headers_rewrite */
1463 NULL, /* rewrite_rules */
1464 0, /* rewrite_existflags */
1465 300, /* filter_timeout */
1466 FALSE, /* body_only */
1467 FALSE, /* delivery_date_add */
1468 FALSE, /* envelope_to_add */
1469 FALSE, /* headers_only */
1470 FALSE, /* rcpt_include_affixes */
1471 FALSE, /* return_path_add */
1472 FALSE, /* return_output */
1473 FALSE, /* return_fail_output */
1474 FALSE, /* log_output */
1475 FALSE, /* log_fail_output */
1476 FALSE, /* log_defer_output */
1477 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1478 1 nor 0 so can detect unset */
0cbf2b82 1479#ifndef DISABLE_EVENT
774ef2d7 1480 ,NULL /* event_action */
533aaf91 1481#endif
059ec3d9
PH		 1482};
1483
1484int transport_count;
181d9bf8 1485uschar *transport_name = NULL;
332f5cf3 1486int transport_newlines;
55414b25 1487const uschar **transport_filter_argv = NULL;
059ec3d9 1488int transport_filter_timeout;
2e2a30b4 1489BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1490int transport_write_timeout= 0;
1491
1492tree_node *tree_dns_fails = NULL;
1493tree_node *tree_duplicates = NULL;
1494tree_node *tree_nonrecipients = NULL;
1495tree_node *tree_unusable = NULL;
1496
1497BOOL trusted_caller = FALSE;
e2f5dc15 1498BOOL trusted_config = TRUE;
059ec3d9
PH		 1499gid_t *trusted_groups = NULL;
1500uid_t *trusted_users = NULL;
1501uschar *timezone_string = US TIMEZONE_DEFAULT;
1502
1503uschar *unknown_login = NULL;
1504uschar *unknown_username = NULL;
1505uschar *untrusted_set_sender = NULL;
1506
1507/* A regex for matching a "From_" line in an incoming message, in the form
1508
1509 From ph10 Fri Jan 5 12:35 GMT 1996
1510
1511which the "mail" commands send to the MTA (undocumented, of course), or in
1512the form
1513
1514 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1515
1516which is apparently used by some UUCPs, despite it not being in RFC 976.
1517Because of variations in time formats, just match up to the minutes. That
1518should be sufficient. Examples have been seen of time fields like 12:1:03,
1519so just require one digit for hours and minutes. The weekday is also absent
1520in some forms. */
1521
1522uschar *uucp_from_pattern = US
1523 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1524 "(?:" /* Non-extracting bracket */
1525 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1526 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1527 ")" /* End alternation */
1528 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1529
1530uschar *uucp_from_sender = US"$1";
1531
aec45841 1532uschar *verify_mode = NULL;
f45100a3 1533uschar *version_copyright =
d4e5e70b
PP		 1534 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1535 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
059ec3d9
PH		 1536uschar *version_date = US"?";
1537uschar *version_cnumber = US"????";
1538uschar *version_string = US"?";
1539
aec45841 1540uschar *warn_message_file = NULL;
059ec3d9 1541int warning_count = 0;
aec45841
JH		 1542uschar *warnmsg_delay = NULL;
1543uschar *warnmsg_recipients = NULL;
1544BOOL write_rejectlog = TRUE;
1545
059ec3d9
PH		 1546
1547/* End of globals.c */
Unnamed repository; edit this file 'description' to name the repository.