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TLS SNI support for OpenSSL ($tls_sni)
[exim.git] / src / src / globals.c
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
0a49a7a4 5/* Copyright (c) University of Cambridge 1995 - 2009 */
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)) },
059ec3d9
PH		 20 { "driver", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, driver_name)) },
22 { "public_name", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, public_name)) },
24 { "server_advertise_condition", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, advertise_condition))},
16ff981e
PH		 26 { "server_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, server_condition)) },
059ec3d9
PH		 28 { "server_debug_print", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_debug_string)) },
30 { "server_mail_auth_condition", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, mail_auth_condition)) },
32 { "server_set_id", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, set_id)) }
34};
35
36int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
37
38/* An empty host aliases list. */
39
40uschar *no_aliases = NULL;
41
42
43/* For comments on these variables, see globals.h. I'm too idle to
44duplicate them here... */
45
46#ifdef EXIM_PERL
47uschar *opt_perl_startup = NULL;
48BOOL opt_perl_at_start = FALSE;
49BOOL opt_perl_started = FALSE;
50#endif
51
1a46a8c5
PH		 52#ifdef EXPAND_DLFUNC
53tree_node *dlobj_anchor = NULL;
54#endif
55
059ec3d9
PH		 56#ifdef LOOKUP_IBASE
57uschar *ibase_servers = NULL;
58#endif
59
60#ifdef LOOKUP_LDAP
bc19a55b
PP		 61uschar *eldap_ca_cert_dir = NULL;
62uschar *eldap_ca_cert_file = NULL;
63uschar *eldap_cert_file = NULL;
64uschar *eldap_cert_key = NULL;
65uschar *eldap_cipher_suite = NULL;
059ec3d9 66uschar *eldap_default_servers = NULL;
bc19a55b 67uschar *eldap_require_cert = NULL;
059ec3d9 68int eldap_version = -1;
bc19a55b 69BOOL eldap_start_tls = FALSE;
059ec3d9
PH		 70#endif
71
72#ifdef LOOKUP_MYSQL
73uschar *mysql_servers = NULL;
74#endif
75
76#ifdef LOOKUP_ORACLE
77uschar *oracle_servers = NULL;
78#endif
79
80#ifdef LOOKUP_PGSQL
81uschar *pgsql_servers = NULL;
82#endif
83
31480e42
PH		 84#ifdef LOOKUP_SQLITE
85int sqlite_lock_timeout = 5;
86#endif
87
059ec3d9
PH		 88#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
89BOOL move_frozen_messages = FALSE;
90#endif
91
92/* These variables are outside the #ifdef because it keeps the code less
93cluttered in several places (e.g. during logging) if we can always refer to
94them. Also, the tls_ variables are now always visible. */
95
96BOOL tls_active = -1;
edc33b5f 97int tls_bits = 0;
059ec3d9
PH		 98BOOL tls_certificate_verified = FALSE;
99uschar *tls_cipher = NULL;
100BOOL tls_on_connect = FALSE;
101uschar *tls_on_connect_ports = NULL;
102uschar *tls_peerdn = NULL;
103
104#ifdef SUPPORT_TLS
e6060e2c 105BOOL gnutls_compat_mode = FALSE;
83da1223
PH		 106uschar *gnutls_require_mac = NULL;
107uschar *gnutls_require_kx = NULL;
108uschar *gnutls_require_proto = NULL;
77bb000f 109uschar *openssl_options = NULL;
059ec3d9
PH		 110const pcre *regex_STARTTLS = NULL;
111uschar *tls_advertise_hosts = NULL; /* This is deliberate */
112uschar *tls_certificate = NULL;
113uschar *tls_crl = NULL;
114uschar *tls_dhparam = NULL;
115BOOL tls_offered = FALSE;
116uschar *tls_privatekey = NULL;
117BOOL tls_remember_esmtp = FALSE;
118uschar *tls_require_ciphers = NULL;
7be682ca
PP		 119#ifndef USE_GNUTLS
120uschar *tls_sni = NULL;
121#endif
059ec3d9
PH		 122uschar *tls_try_verify_hosts = NULL;
123uschar *tls_verify_certificates= NULL;
124uschar *tls_verify_hosts = NULL;
125#endif
126
127
128/* Input-reading functions for messages, so we can use special ones for
129incoming TCP/IP. The defaults use stdin. We never need these for any
130stand-alone tests. */
131
132#ifndef STAND_ALONE
133int (*receive_getc)(void) = stdin_getc;
134int (*receive_ungetc)(int) = stdin_ungetc;
135int (*receive_feof)(void) = stdin_feof;
136int (*receive_ferror)(void) = stdin_ferror;
58eb016e 137BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
059ec3d9
PH		 138#endif
139
140
141/* List of per-address expansion variables for clearing and saving/restoring
142when verifying one address while routing/verifying another. We have to have
143the size explicit, because it is referenced from more than one module. */
144
145uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
146 &deliver_address_data,
147 &deliver_domain,
148 &deliver_domain_data,
149 &deliver_domain_orig,
150 &deliver_domain_parent,
151 &deliver_localpart,
152 &deliver_localpart_data,
153 &deliver_localpart_orig,
154 &deliver_localpart_parent,
155 &deliver_localpart_prefix,
156 &deliver_localpart_suffix,
157 (uschar **)(&deliver_recipients),
158 &deliver_host,
159 &deliver_home,
160 &address_file,
161 &address_pipe,
162 &self_hostname,
163 NULL };
164
165int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
166
167/* General global variables */
168
71fafd95 169header_line *acl_added_headers = NULL;
059ec3d9 170tree_node *acl_anchor = NULL;
8f128379 171
059ec3d9 172uschar *acl_not_smtp = NULL;
54cdb463
PH		 173#ifdef WITH_CONTENT_SCAN
174uschar *acl_not_smtp_mime = NULL;
175#endif
45b91596 176uschar *acl_not_smtp_start = NULL;
8f128379 177
059ec3d9
PH		 178uschar *acl_smtp_auth = NULL;
179uschar *acl_smtp_connect = NULL;
180uschar *acl_smtp_data = NULL;
80a47a2c
TK		 181#ifndef DISABLE_DKIM
182uschar *acl_smtp_dkim = NULL;
183#endif
059ec3d9
PH		 184uschar *acl_smtp_etrn = NULL;
185uschar *acl_smtp_expn = NULL;
186uschar *acl_smtp_helo = NULL;
187uschar *acl_smtp_mail = NULL;
188uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 189#ifdef WITH_CONTENT_SCAN
190uschar *acl_smtp_mime = NULL;
191#endif
8f128379 192uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 193uschar *acl_smtp_predata = NULL;
194uschar *acl_smtp_quit = NULL;
195uschar *acl_smtp_rcpt = NULL;
196uschar *acl_smtp_starttls = NULL;
197uschar *acl_smtp_vrfy = NULL;
8f128379 198
059ec3d9 199BOOL acl_temp_details = FALSE;
38a0a95f
PH		 200tree_node *acl_var_c = NULL;
201tree_node *acl_var_m = NULL;
059ec3d9 202uschar *acl_verify_message = NULL;
059ec3d9
PH		 203string_item *acl_warn_logged = NULL;
204
205/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
206error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
207
208uschar *acl_wherenames[] = { US"RCPT",
209 US"MAIL",
210 US"PREDATA",
8523533c 211 US"MIME",
80a47a2c 212 US"DKIM",
059ec3d9
PH		 213 US"DATA",
214 US"non-SMTP",
215 US"AUTH",
216 US"connection",
217 US"ETRN",
218 US"EXPN",
219 US"EHLO or HELO",
220 US"MAILAUTH",
45b91596 221 US"non-SMTP-start",
8f128379 222 US"NOTQUIT",
059ec3d9
PH		 223 US"QUIT",
224 US"STARTTLS",
225 US"VRFY"
226 };
227
a5bd321b
PH		 228uschar *acl_wherecodes[] = { US"550", /* RCPT */
229 US"550", /* MAIL */
230 US"550", /* PREDATA */
231 US"550", /* MIME */
80a47a2c 232 US"550", /* DKIM */
a5bd321b
PH		 233 US"550", /* DATA */
234 US"0", /* not SMTP; not relevant */
235 US"503", /* AUTH */
236 US"550", /* connect */
237 US"458", /* ETRN */
238 US"550", /* EXPN */
239 US"550", /* HELO/EHLO */
240 US"0", /* MAILAUTH; not relevant */
241 US"0", /* not SMTP; not relevant */
8f128379 242 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 243 US"0", /* QUIT; not relevant */
244 US"550", /* STARTTLS */
245 US"252" /* VRFY */
059ec3d9 246 };
8e669ac1 247
69358f02
PH		 248BOOL active_local_from_check = FALSE;
249BOOL active_local_sender_retain = FALSE;
059ec3d9
PH		 250BOOL accept_8bitmime = FALSE;
251address_item *addr_duplicate = NULL;
252
253address_item address_defaults = {
254 NULL, /* next */
255 NULL, /* parent */
256 NULL, /* first */
257 NULL, /* dupof */
258 NULL, /* start_router */
259 NULL, /* router */
260 NULL, /* transport */
261 NULL, /* host_list */
262 NULL, /* host_used */
263 NULL, /* fallback_hosts */
264 NULL, /* reply */
265 NULL, /* retries */
266 NULL, /* address */
267 NULL, /* unique */
268 NULL, /* cc_local_part */
269 NULL, /* lc_local_part */
270 NULL, /* local_part */
271 NULL, /* prefix */
272 NULL, /* suffix */
273 NULL, /* domain */
274 NULL, /* address_retry_key */
275 NULL, /* domain_retry_key */
276 NULL, /* current_dir */
277 NULL, /* home_dir */
278 NULL, /* message */
279 NULL, /* user_message */
280 NULL, /* onetime_parent */
281 NULL, /* pipe_expandn */
282 NULL, /* return_filename */
283 NULL, /* self_hostname */
284 NULL, /* shadow_message */
285 #ifdef SUPPORT_TLS
286 NULL, /* cipher */
287 NULL, /* peerdn */
288 #endif
289 (uid_t)(-1), /* uid */
290 (gid_t)(-1), /* gid */
291 0, /* flags */
292 { 0 }, /* domain_cache - any larger array should be zeroed */
293 { 0 }, /* localpart_cache - ditto */
294 -1, /* mode */
295 0, /* more_errno */
296 ERRNO_UNKNOWNERROR, /* basic_errno */
297 0, /* child_count */
298 -1, /* return_file */
299 SPECIAL_NONE, /* special_action */
300 DEFER, /* transport_return */
301 { /* fields that are propagated to children */
302 NULL, /* address_data */
303 NULL, /* domain_data */
304 NULL, /* localpart_data */
305 NULL, /* errors_address */
306 NULL, /* extra_headers */
307 NULL, /* remove_headers */
384152a6
TK		 308#ifdef EXPERIMENTAL_SRS
309 NULL, /* srs_sender */
310#endif
059ec3d9
PH		 311 }
312};
313
314uschar *address_file = NULL;
315uschar *address_pipe = NULL;
316BOOL address_test_mode = FALSE;
317tree_node *addresslist_anchor = NULL;
318int addresslist_count = 0;
319gid_t *admin_groups = NULL;
320BOOL admin_user = FALSE;
c46782ef 321BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH		 322BOOL allow_domain_literals = FALSE;
323BOOL allow_mx_to_ip = FALSE;
324BOOL allow_unqualified_recipient = TRUE; /* For local messages */
325BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
326BOOL allow_utf8_domains = FALSE;
327uschar *authenticated_id = NULL;
328uschar *authenticated_sender = NULL;
329BOOL authentication_failed = FALSE;
330auth_instance *auths = NULL;
331uschar *auth_advertise_hosts = US"*";
332auth_instance auth_defaults = {
333 NULL, /* chain pointer */
334 NULL, /* name */
335 NULL, /* info */
336 NULL, /* private options block pointer */
337 NULL, /* driver_name */
338 NULL, /* advertise_condition */
6c512171 339 NULL, /* client_condition */
059ec3d9
PH		 340 NULL, /* public_name */
341 NULL, /* set_id */
342 NULL, /* server_mail_auth_condition */
343 NULL, /* server_debug_string */
16ff981e 344 NULL, /* server_condition */
059ec3d9
PH		 345 FALSE, /* client */
346 FALSE, /* server */
347 FALSE /* advertised */
348};
349
350uschar *auth_defer_msg = US"reason not recorded";
351uschar *auth_defer_user_msg = US"";
f78eb7c6 352uschar *auth_vars[AUTH_VARS];
059ec3d9 353int auto_thaw = 0;
8523533c 354#ifdef WITH_CONTENT_SCAN
9e949f00 355BOOL av_failed = FALSE;
8523533c
TK		 356uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
357#endif
059ec3d9
PH		 358
359BOOL background_daemon = TRUE;
9a799bc0
PH		 360
361#if BASE_62 == 62
059ec3d9
PH		 362uschar *base62_chars=
363 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 364#else
365uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
366#endif
367
059ec3d9
PH		 368uschar *bi_command = NULL;
369uschar *big_buffer = NULL;
370int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 371#ifdef EXPERIMENTAL_BRIGHTMAIL
372uschar *bmi_alt_location = NULL;
373uschar *bmi_base64_tracker_verdict = NULL;
374uschar *bmi_base64_verdict = NULL;
375uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
376int bmi_deliver = 1;
377int bmi_run = 0;
378uschar *bmi_verdicts = NULL;
379#endif
059ec3d9
PH		 380int body_linecount = 0;
381int body_zerocount = 0;
382uschar *bounce_message_file = NULL;
383uschar *bounce_message_text = NULL;
384uschar *bounce_recipient = NULL;
385BOOL bounce_return_body = TRUE;
386BOOL bounce_return_message = TRUE;
387int bounce_return_size_limit = 100*1024;
388uschar *bounce_sender_authentication = NULL;
389int bsmtp_transaction_linecount = 0;
390
391int callout_cache_domain_positive_expire = 7*24*60*60;
392int callout_cache_domain_negative_expire = 3*60*60;
393int callout_cache_positive_expire = 24*60*60;
394int callout_cache_negative_expire = 2*60*60;
395uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 396uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
059ec3d9
PH		 397int check_log_inodes = 0;
398int check_log_space = 0;
a0d6ba8a 399BOOL check_rfc2047_length = TRUE;
059ec3d9
PH		 400int check_spool_inodes = 0;
401int check_spool_space = 0;
402int clmacro_count = 0;
403uschar *clmacros[MAX_CLMACROS];
404BOOL config_changed = FALSE;
405FILE *config_file = NULL;
406uschar *config_filename = NULL;
407int config_lineno = 0;
35edf2ff
PH		 408#ifdef CONFIGURE_GROUP
409gid_t config_gid = CONFIGURE_GROUP;
410#endif
059ec3d9
PH		 411uschar *config_main_filelist = US CONFIGURE_FILE
412 "\0<-----------Space to patch configure_filename->";
413uschar *config_main_filename = NULL;
414
415#ifdef CONFIGURE_OWNER
416uid_t config_uid = CONFIGURE_OWNER;
417#endif
418
419int connection_max_messages= -1;
420uschar *continue_hostname = NULL;
421uschar *continue_host_address = NULL;
422BOOL continue_more = FALSE;
423int continue_sequence = 1;
424uschar *continue_transport = NULL;
425
e5a9dba6
PH		 426uschar *csa_status = NULL;
427
059ec3d9
PH		 428BOOL daemon_listen = FALSE;
429uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 430int daemon_startup_retries = 9;
431int daemon_startup_sleep = 30;
6a8f9482
TK		 432
433#ifdef EXPERIMENTAL_DCC
434BOOL dcc_direct_add_header = FALSE;
435uschar *dcc_header = NULL;
436uschar *dcc_result = NULL;
437uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
438uschar *dccifd_options = US"header";
439#endif
440
3d235903 441BOOL debug_daemon = FALSE;
059ec3d9
PH		 442int debug_fd = -1;
443FILE *debug_file = NULL;
444bit_table debug_options[] = {
445 { US"acl", D_acl },
446 { US"all", D_all },
447 { US"auth", D_auth },
448 { US"deliver", D_deliver },
449 { US"dns", D_dns },
450 { US"dnsbl", D_dnsbl },
451 { US"exec", D_exec },
452 { US"expand", D_expand },
453 { US"filter", D_filter },
454 { US"hints_lookup", D_hints_lookup },
455 { US"host_lookup", D_host_lookup },
456 { US"ident", D_ident },
457 { US"interface", D_interface },
458 { US"lists", D_lists },
459 { US"load", D_load },
460 { US"local_scan", D_local_scan },
461 { US"lookup", D_lookup },
462 { US"memory", D_memory },
463 { US"pid", D_pid },
464 { US"process_info", D_process_info },
465 { US"queue_run", D_queue_run },
466 { US"receive", D_receive },
467 { US"resolver", D_resolver },
468 { US"retry", D_retry },
469 { US"rewrite", D_rewrite },
470 { US"route", D_route },
471 { US"timestamp", D_timestamp },
472 { US"tls", D_tls },
473 { US"transport", D_transport },
474 { US"uid", D_uid },
475 { US"verify", D_verify }
476};
477int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
478unsigned int debug_selector = 0;
479int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 480uschar *delay_warning_condition=
481 US"${if or {"
e85a7ad5 482 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 483 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
484 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
485 "} {no}{yes}}";
059ec3d9
PH		 486BOOL delivery_date_remove = TRUE;
487uschar *deliver_address_data = NULL;
488int deliver_datafile = -1;
489uschar *deliver_domain = NULL;
490uschar *deliver_domain_data = NULL;
491uschar *deliver_domain_orig = NULL;
492uschar *deliver_domain_parent = NULL;
493BOOL deliver_drop_privilege = FALSE;
494BOOL deliver_firsttime = FALSE;
495BOOL deliver_force = FALSE;
496BOOL deliver_freeze = FALSE;
497int deliver_frozen_at = 0;
498uschar *deliver_home = NULL;
499uschar *deliver_host = NULL;
500uschar *deliver_host_address = NULL;
501uschar *deliver_in_buffer = NULL;
502ino_t deliver_inode = 0;
503uschar *deliver_localpart = NULL;
504uschar *deliver_localpart_data = NULL;
505uschar *deliver_localpart_orig = NULL;
506uschar *deliver_localpart_parent = NULL;
507uschar *deliver_localpart_prefix = NULL;
508uschar *deliver_localpart_suffix = NULL;
509BOOL deliver_force_thaw = FALSE;
510BOOL deliver_manual_thaw = FALSE;
511uschar *deliver_out_buffer = NULL;
512int deliver_queue_load_max = -1;
513address_item *deliver_recipients = NULL;
514uschar *deliver_selectstring = NULL;
515BOOL deliver_selectstring_regex = FALSE;
516uschar *deliver_selectstring_sender = NULL;
517BOOL deliver_selectstring_sender_regex = FALSE;
8523533c
TK		 518#ifdef WITH_OLD_DEMIME
519int demime_errorlevel = 0;
520int demime_ok = 0;
521uschar *demime_reason = NULL;
522#endif
4c590bd1 523BOOL disable_callout_flush = FALSE;
047bdd8c 524BOOL disable_delay_flush = FALSE;
54fc8428
PH		 525#ifdef ENABLE_DISABLE_FSYNC
526BOOL disable_fsync = FALSE;
527#endif
7e66e54d 528BOOL disable_ipv6 = FALSE;
059ec3d9
PH		 529BOOL disable_logging = FALSE;
530
80a47a2c 531#ifndef DISABLE_DKIM
2df588c9 532uschar *dkim_cur_signer = NULL;
9e5d6b55 533uschar *dkim_signers = NULL;
f7572e5a
TK		 534uschar *dkim_signing_domain = NULL;
535uschar *dkim_signing_selector = NULL;
9e5d6b55 536uschar *dkim_verify_signers = US"$dkim_signers";
80a47a2c
TK		 537BOOL dkim_collect_input = FALSE;
538BOOL dkim_disable_verify = FALSE;
f7572e5a
TK		 539#endif
540
059ec3d9 541uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH		 542int dns_csa_search_limit = 5;
543BOOL dns_csa_use_reverse = TRUE;
059ec3d9
PH		 544uschar *dns_ipv4_lookup = NULL;
545int dns_retrans = 0;
546int dns_retry = 0;
e97d1f08 547int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 548uschar *dnslist_domain = NULL;
93655c46 549uschar *dnslist_matched = NULL;
059ec3d9
PH		 550uschar *dnslist_text = NULL;
551uschar *dnslist_value = NULL;
552tree_node *domainlist_anchor = NULL;
553int domainlist_count = 0;
554BOOL dont_deliver = FALSE;
555BOOL dot_ends = TRUE;
556BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 557uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH		 558
559BOOL enable_dollar_recipients = FALSE;
560BOOL envelope_to_remove = TRUE;
561int errno_quota = ERRNO_QUOTA;
562uschar *errors_copy = NULL;
563int error_handling = ERRORS_SENDER;
564uschar *errors_reply_to = NULL;
565int errors_sender_rc = EXIT_FAILURE;
566
567gid_t exim_gid = EXIM_GID;
568BOOL exim_gid_set = TRUE; /* This gid is always set */
569uschar *exim_path = US BIN_DIRECTORY "/exim"
570 "\0<---------------Space to patch exim_path->";
571uid_t exim_uid = EXIM_UID;
572BOOL exim_uid_set = TRUE; /* This uid is always set */
573int expand_forbid = 0;
574int expand_nlength[EXPAND_MAXN+1];
575int expand_nmax = -1;
576uschar *expand_nstring[EXPAND_MAXN+1];
577BOOL expand_string_forcedfail = FALSE;
578uschar *expand_string_message;
579BOOL extract_addresses_remove_arguments = TRUE;
580uschar *extra_local_interfaces = NULL;
581
29aba418 582int fake_response = OK;
0e22dfd1
PH		 583uschar *fake_response_text = US"Your message has been rejected but is "
584 "being kept for evaluation.\nIf it was a "
585 "legitimate message, it may still be "
586 "delivered to the target recipient(s).";
059ec3d9
PH		 587int filter_n[FILTER_VARIABLE_COUNT];
588BOOL filter_running = FALSE;
589int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 590int filter_test = FTEST_NONE;
591uschar *filter_test_sfile = NULL;
592uschar *filter_test_ufile = NULL;
059ec3d9
PH		 593uschar *filter_thisaddress = NULL;
594int finduser_retries = 0;
8523533c
TK		 595#ifdef WITH_OLD_DEMIME
596uschar *found_extension = NULL;
597#endif
059ec3d9
PH		 598uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
599uschar *freeze_tell = NULL;
6a3f1455 600uschar *freeze_tell_config = NULL;
059ec3d9
PH		 601uschar *fudged_queue_times = US"";
602
603uschar *gecos_name = NULL;
604uschar *gecos_pattern = NULL;
605rewrite_rule *global_rewrite_rules = NULL;
606
607uschar *headers_charset = US HEADERS_CHARSET;
608int header_insert_maxlen = 64 * 1024;
609header_line *header_last = NULL;
610header_line *header_list = NULL;
611int header_maxsize = HEADER_MAXSIZE;
612int header_line_maxsize = 0;
613
614header_name header_names[] = {
615 { US"bcc", 3, TRUE, htype_bcc },
616 { US"cc", 2, TRUE, htype_cc },
617 { US"date", 4, TRUE, htype_date },
618 { US"delivery-date", 13, FALSE, htype_delivery_date },
619 { US"envelope-to", 11, FALSE, htype_envelope_to },
620 { US"from", 4, TRUE, htype_from },
621 { US"message-id", 10, TRUE, htype_id },
622 { US"received", 8, FALSE, htype_received },
623 { US"reply-to", 8, FALSE, htype_reply_to },
624 { US"return-path", 11, FALSE, htype_return_path },
625 { US"sender", 6, TRUE, htype_sender },
626 { US"subject", 7, FALSE, htype_subject },
627 { US"to", 2, TRUE, htype_to }
628};
629
630int header_names_size = sizeof(header_names)/sizeof(header_name);
631
632BOOL header_rewritten = FALSE;
633uschar *helo_accept_junk_hosts = NULL;
634uschar *helo_allow_chars = US"";
635uschar *helo_lookup_domains = US"@ : @[]";
636uschar *helo_try_verify_hosts = NULL;
637BOOL helo_verified = FALSE;
d7b47fd0 638BOOL helo_verify_failed = FALSE;
059ec3d9 639uschar *helo_verify_hosts = NULL;
1ba28e2b 640const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH		 641uschar *hold_domains = NULL;
642BOOL host_checking = FALSE;
643BOOL host_checking_callout = FALSE;
644uschar *host_data = NULL;
645BOOL host_find_failed_syntax= FALSE;
646uschar *host_lookup = NULL;
b08b24c8 647BOOL host_lookup_deferred = FALSE;
059ec3d9
PH		 648BOOL host_lookup_failed = FALSE;
649uschar *host_lookup_order = US"bydns:byaddr";
650uschar *host_lookup_msg = US"";
651int host_number = 0;
652uschar *host_number_string = NULL;
653uschar *host_reject_connection = NULL;
654tree_node *hostlist_anchor = NULL;
655int hostlist_count = 0;
656uschar *hosts_treat_as_local = NULL;
657uschar *hosts_connection_nolog = NULL;
658
659int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
660BOOL ignore_fromline_local = FALSE;
661uschar *ignore_fromline_hosts = NULL;
662uschar *interface_address = NULL;
663int interface_port = -1;
664BOOL is_inetd = FALSE;
0ce9abe6 665uschar *iterate_item = NULL;
059ec3d9
PH		 666
667int journal_fd = -1;
668
669int keep_malformed = 4*24*60*60; /* 4 days */
670
671uschar *eldap_dn = NULL;
672int load_average = -2;
673BOOL local_error_message = FALSE;
674BOOL local_from_check = TRUE;
675uschar *local_from_prefix = NULL;
676uschar *local_from_suffix = NULL;
677
678#if HAVE_IPV6
679uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
680#else
681uschar *local_interfaces = US"0.0.0.0";
682#endif
683
684uschar *local_scan_data = NULL;
685int local_scan_timeout = 5*60;
686BOOL local_sender_retain = FALSE;
687gid_t local_user_gid = (gid_t)(-1);
688uid_t local_user_uid = (uid_t)(-1);
689
690tree_node *localpartlist_anchor= NULL;
691int localpartlist_count = 0;
692uschar *log_buffer = NULL;
693unsigned int log_extra_selector = LX_default;
694uschar *log_file_path = US LOG_FILE_PATH
695 "\0<--------------Space to patch log_file_path->";
696
697/* Those log options with L_xxx identifiers have values less than 0x800000 and
698are the ones that get put into log_write_selector. They can be used in calls to
699log_write() to test for the bit. The options with LX_xxx identifiers have
700values greater than 0x80000000 and are put int log_extra_selector (without the
701top bit). They are never used in calls to log_write(), but are tested
702independently. This separation became necessary when the number of log
703selectors was getting close to filling a 32-bit word. */
704
f3f065bb
PH		 705/* Note that this list must be in alphabetical order. */
706
059ec3d9 707bit_table log_options[] = {
49826d12 708 { US"acl_warn_skipped", LX_acl_warn_skipped },
059ec3d9
PH		 709 { US"address_rewrite", L_address_rewrite },
710 { US"all", L_all },
711 { US"all_parents", L_all_parents },
712 { US"arguments", LX_arguments },
713 { US"connection_reject", L_connection_reject },
714 { US"delay_delivery", L_delay_delivery },
715 { US"deliver_time", LX_deliver_time },
716 { US"delivery_size", LX_delivery_size },
717 { US"dnslist_defer", L_dnslist_defer },
718 { US"etrn", L_etrn },
719 { US"host_lookup_failed", L_host_lookup_failed },
720 { US"ident_timeout", LX_ident_timeout },
721 { US"incoming_interface", LX_incoming_interface },
722 { US"incoming_port", LX_incoming_port },
723 { US"lost_incoming_connection", L_lost_incoming_connection },
724 { US"outgoing_port", LX_outgoing_port },
f3f065bb 725 { US"pid", LX_pid },
059ec3d9
PH		 726 { US"queue_run", L_queue_run },
727 { US"queue_time", LX_queue_time },
2ac0e484 728 { US"queue_time_overall", LX_queue_time_overall },
059ec3d9
PH		 729 { US"received_recipients", LX_received_recipients },
730 { US"received_sender", LX_received_sender },
731 { US"rejected_header", LX_rejected_header },
732 { US"rejected_headers", LX_rejected_header },
733 { US"retry_defer", L_retry_defer },
734 { US"return_path_on_delivery", LX_return_path_on_delivery },
735 { US"sender_on_delivery", LX_sender_on_delivery },
278c6e6c 736 { US"sender_verify_fail", LX_sender_verify_fail },
059ec3d9
PH		 737 { US"size_reject", L_size_reject },
738 { US"skip_delivery", L_skip_delivery },
739 { US"smtp_confirmation", LX_smtp_confirmation },
740 { US"smtp_connection", L_smtp_connection },
741 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
b4ed4da0 742 { US"smtp_no_mail", LX_smtp_no_mail },
059ec3d9
PH		 743 { US"smtp_protocol_error", L_smtp_protocol_error },
744 { US"smtp_syntax_error", L_smtp_syntax_error },
745 { US"subject", LX_subject },
746 { US"tls_certificate_verified", LX_tls_certificate_verified },
747 { US"tls_cipher", LX_tls_cipher },
1130bfb0
PH		 748 { US"tls_peerdn", LX_tls_peerdn },
749 { US"unknown_in_list", LX_unknown_in_list }
059ec3d9
PH		 750};
751
752int log_options_count = sizeof(log_options)/sizeof(bit_table);
6ea85e9a 753int log_reject_target = 0;
059ec3d9
PH		 754uschar *log_selector_string = NULL;
755FILE *log_stderr = NULL;
756BOOL log_testing_mode = FALSE;
757BOOL log_timezone = FALSE;
6ea85e9a 758unsigned int log_write_selector= L_default;
059ec3d9
PH		 759uschar *login_sender_address = NULL;
760int lookup_open_max = 25;
761uschar *lookup_value = NULL;
762
763macro_item *macros = NULL;
764uschar *mailstore_basename = NULL;
8523533c
TK		 765#ifdef WITH_CONTENT_SCAN
766uschar *malware_name = NULL; /* Virus Name */
767#endif
d677b2f2 768int max_received_linelength= 0;
059ec3d9
PH		 769int max_username_length = 0;
770int message_age = 0;
771uschar *message_body = NULL;
772uschar *message_body_end = NULL;
ddea74fa 773BOOL message_body_newlines = FALSE;
059ec3d9
PH		 774int message_body_size = 0;
775int message_body_visible = 500;
776int message_ended = END_NOTSTARTED;
777uschar *message_headers = NULL;
778uschar *message_id;
779uschar *message_id_domain = NULL;
780uschar *message_id_text = NULL;
781struct timeval message_id_tv = { 0, 0 };
782uschar message_id_option[MESSAGE_ID_LENGTH + 3];
783uschar *message_id_external;
784int message_linecount = 0;
785BOOL message_logs = TRUE;
786int message_size = 0;
787uschar *message_size_limit = US"50M";
788uschar message_subdir[2] = { 0, 0 };
789uschar *message_reference = NULL;
8523533c
TK		 790
791/* MIME ACL expandables */
792#ifdef WITH_CONTENT_SCAN
f7b63901 793int mime_anomaly_level = 0;
1ba28e2b 794const uschar *mime_anomaly_text = NULL;
8523533c
TK		 795uschar *mime_boundary = NULL;
796uschar *mime_charset = NULL;
797uschar *mime_content_description = NULL;
798uschar *mime_content_disposition = NULL;
799uschar *mime_content_id = NULL;
800unsigned int mime_content_size = 0;
801uschar *mime_content_transfer_encoding = NULL;
802uschar *mime_content_type = NULL;
803uschar *mime_decoded_filename = NULL;
804uschar *mime_filename = NULL;
805int mime_is_multipart = 0;
806int mime_is_coverletter = 0;
807int mime_is_rfc822 = 0;
808int mime_part_count = -1;
809#endif
810
059ec3d9
PH		 811BOOL mua_wrapper = FALSE;
812
813uid_t *never_users = NULL;
8523533c
TK		 814#ifdef WITH_CONTENT_SCAN
815BOOL no_mbox_unspool = FALSE;
816#endif
059ec3d9
PH		 817BOOL no_multiline_responses = FALSE;
818
819uid_t original_euid;
820gid_t originator_gid;
821uschar *originator_login = NULL;
822uschar *originator_name = NULL;
823uid_t originator_uid;
824uschar *override_local_interfaces = NULL;
825uschar *override_pid_file_path = NULL;
826
827BOOL parse_allow_group = FALSE;
828BOOL parse_found_group = FALSE;
829uschar *percent_hack_domains = NULL;
830uschar *pid_file_path = US PID_FILE_PATH
831 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 832BOOL pipelining_enable = TRUE;
059ec3d9
PH		 833uschar *pipelining_advertise_hosts = US"*";
834BOOL preserve_message_logs = FALSE;
835uschar *primary_hostname = NULL;
836BOOL print_topbitchars = FALSE;
837uschar process_info[PROCESS_INFO_SIZE];
921b12ca 838int process_info_len = 0;
059ec3d9
PH		 839uschar *process_log_path = NULL;
840BOOL prod_requires_admin = TRUE;
fffda43a
TK		 841uschar *prvscheck_address = NULL;
842uschar *prvscheck_keynum = NULL;
843uschar *prvscheck_result = NULL;
844
059ec3d9
PH		 845
846uschar *qualify_domain_recipient = NULL;
847uschar *qualify_domain_sender = NULL;
848BOOL queue_2stage = FALSE;
849uschar *queue_domains = NULL;
850int queue_interval = -1;
851BOOL queue_list_requires_admin = TRUE;
852BOOL queue_only = FALSE;
853uschar *queue_only_file = NULL;
854int queue_only_load = -1;
8669f003 855BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 856BOOL queue_only_override = TRUE;
857BOOL queue_only_policy = FALSE;
858BOOL queue_run_first_delivery = FALSE;
859BOOL queue_run_force = FALSE;
860BOOL queue_run_in_order = FALSE;
861BOOL queue_run_local = FALSE;
862int queue_run_max = 5;
863pid_t queue_run_pid = (pid_t)0;
864int queue_run_pipe = -1;
865BOOL queue_running = FALSE;
866BOOL queue_smtp = FALSE;
867uschar *queue_smtp_domains = NULL;
868
869unsigned int random_seed = 0;
fe0dab11 870tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 871tree_node *ratelimiters_conn = NULL;
872tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 873uschar *raw_active_hostname = NULL;
874uschar *raw_sender = NULL;
875uschar **raw_recipients = NULL;
876int raw_recipients_count = 0;
877
878int rcpt_count = 0;
879int rcpt_fail_count = 0;
880int rcpt_defer_count = 0;
881gid_t real_gid;
882uid_t real_uid;
883BOOL really_exim = TRUE;
884BOOL receive_call_bombout = FALSE;
885int receive_linecount = 0;
886int receive_messagecount = 0;
887int receive_timeout = 0;
888int received_count = 0;
889uschar *received_for = NULL;
890
891/* This is the default text for Received headers generated by Exim. The
892date will be automatically added on the end. */
893
894uschar *received_header_text = US
895 "Received: "
896 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 897 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 898 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
899 "by $primary_hostname "
900 "${if def:received_protocol {with $received_protocol}} "
901 #ifdef SUPPORT_TLS
902 "${if def:tls_cipher {($tls_cipher)\n\t}}"
903 #endif
904 "(Exim $version_number)\n\t"
3e46c1aa 905 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 906 "id $message_exim_id"
059ec3d9
PH		 907 "${if def:received_for {\n\tfor $received_for}}"
908 "\0<---------------Space to patch received_header_text->";
909
910int received_headers_max = 30;
911uschar *received_protocol = NULL;
912int received_time = 0;
913uschar *recipient_data = NULL;
914uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 915uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 916int recipients_count = 0;
917BOOL recipients_discarded = FALSE;
918recipient_item *recipients_list = NULL;
919int recipients_list_max = 0;
920int recipients_max = 0;
921BOOL recipients_max_reject = FALSE;
922const pcre *regex_AUTH = NULL;
923const pcre *regex_check_dns_names = NULL;
924const pcre *regex_From = NULL;
f1513293 925const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 926const pcre *regex_PIPELINING = NULL;
927const pcre *regex_SIZE = NULL;
a5bd321b 928const pcre *regex_smtp_code = NULL;
059ec3d9 929const pcre *regex_ismsgid = NULL;
a7cbbf50
PP		 930#ifdef WHITELIST_D_MACROS
931const pcre *regex_whitelisted_macro = NULL;
932#endif
8523533c
TK		 933#ifdef WITH_CONTENT_SCAN
934uschar *regex_match_string = NULL;
935#endif
059ec3d9
PH		 936int remote_delivery_count = 0;
937int remote_max_parallel = 2;
938uschar *remote_sort_domains = NULL;
939int retry_data_expire = 7*24*60*60;
940int retry_interval_max = 24*60*60;
941int retry_maximum_timeout = 0; /* set from retry config */
942retry_config *retries = NULL;
943uschar *return_path = NULL;
944BOOL return_path_remove = TRUE;
945int rewrite_existflags = 0;
946uschar *rfc1413_hosts = US"*";
8def5aaf 947int rfc1413_query_timeout = 5;
059ec3d9 948/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 949uid_t root_gid = ROOT_GID;
059ec3d9
PH		 950uid_t root_uid = ROOT_UID;
951
952router_instance *routers = NULL;
953router_instance router_defaults = {
954 NULL, /* chain pointer */
955 NULL, /* name */
956 NULL, /* info */
957 NULL, /* private options block pointer */
958 NULL, /* driver name */
959
960 NULL, /* address_data */
8523533c
TK		 961#ifdef EXPERIMENTAL_BRIGHTMAIL
962 NULL, /* bmi_rule */
8e669ac1 963#endif
059ec3d9
PH		 964 NULL, /* cannot_route_message */
965 NULL, /* condition */
966 NULL, /* current_directory */
967 NULL, /* debug_string */
968 NULL, /* domains */
969 NULL, /* errors_to */
970 NULL, /* expand_gid */
971 NULL, /* expand_uid */
972 NULL, /* expand_more */
973 NULL, /* expand_unseen */
974 NULL, /* extra_headers */
975 NULL, /* fallback_hosts */
976 NULL, /* home_directory */
977 NULL, /* ignore_target_hosts */
978 NULL, /* local_parts */
979 NULL, /* pass_router_name */
980 NULL, /* prefix */
981 NULL, /* redirect_router_name */
982 NULL, /* remove_headers */
983 NULL, /* require_files */
984 NULL, /* router_home_directory */
985 US"freeze", /* self */
986 NULL, /* senders */
987 NULL, /* suffix */
988 NULL, /* translate_ip_address */
989 NULL, /* transport_name */
990
991 TRUE, /* address_test */
8523533c
TK		 992#ifdef EXPERIMENTAL_BRIGHTMAIL
993 FALSE, /* bmi_deliver_alternate */
994 FALSE, /* bmi_deliver_default */
995 FALSE, /* bmi_dont_deliver */
996#endif
059ec3d9
PH		 997 TRUE, /* expn */
998 FALSE, /* caseful_local_part */
999 FALSE, /* check_local_user */
1000 FALSE, /* disable_logging */
1001 FALSE, /* fail_verify_recipient */
1002 FALSE, /* fail_verify_sender */
1003 FALSE, /* gid_set */
1004 FALSE, /* initgroups */
1005 TRUE_UNSET, /* log_as_local */
1006 TRUE, /* more */
1007 FALSE, /* pass_on_timeout */
1008 FALSE, /* prefix_optional */
1009 TRUE, /* repeat_use */
1010 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1011 FALSE, /* same_domain_copy_routing */
1012 FALSE, /* self_rewrite */
1013 FALSE, /* suffix_optional */
1014 FALSE, /* verify_only */
1015 TRUE, /* verify_recipient */
1016 TRUE, /* verify_sender */
1017 FALSE, /* uid_set */
1018 FALSE, /* unseen */
1019
1020 self_freeze, /* self_code */
1021 (uid_t)(-1), /* uid */
1022 (gid_t)(-1), /* gid */
1023
1024 NULL, /* fallback_hostlist */
1025 NULL, /* transport instance */
1026 NULL, /* pass_router */
1027 NULL /* redirect_router */
1028};
1029
1030ip_address_item *running_interfaces = NULL;
1031BOOL running_in_test_harness = FALSE;
1032
1033/* This is a weird one. The following string gets patched in the binary by the
1034script that sets up a copy of Exim for running in the test harness. It seems
1035that compilers are now clever, and share constant strings if they can.
1036Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1037make use of the end of this string in order to save space. So the patching then
8669f003 1038wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1039onto the end of the string. */
1040
1041uschar *running_status = US">>>running<<<" "\0EXTRA";
1042
1043int runrc = 0;
1044
1045uschar *search_error_message = NULL;
1046BOOL search_find_defer = FALSE;
1047uschar *self_hostname = NULL;
1048uschar *sender_address = NULL;
1049unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1050uschar *sender_address_data = NULL;
059ec3d9
PH		 1051BOOL sender_address_forced = FALSE;
1052uschar *sender_address_unrewritten = NULL;
1053uschar *sender_data = NULL;
1054unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1055uschar *sender_fullhost = NULL;
1056uschar *sender_helo_name = NULL;
1057uschar **sender_host_aliases = &no_aliases;
1058uschar *sender_host_address = NULL;
1059uschar *sender_host_authenticated = NULL;
1060unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1061uschar *sender_host_name = NULL;
1062int sender_host_port = 0;
1063BOOL sender_host_notsocket = FALSE;
1064BOOL sender_host_unknown = FALSE;
1065uschar *sender_ident = NULL;
1066BOOL sender_local = FALSE;
2fe1a124 1067BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1068uschar *sender_rate = NULL;
1069uschar *sender_rate_limit = NULL;
1070uschar *sender_rate_period = NULL;
059ec3d9
PH		 1071uschar *sender_rcvhost = NULL;
1072BOOL sender_set_untrusted = FALSE;
1073uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1074uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1075address_item *sender_verified_list = NULL;
1076address_item *sender_verified_failed = NULL;
1077int sender_verified_rc = -1;
1078BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1079uschar *sending_ip_address = NULL;
1080int sending_port = -1;
cd59ab18 1081SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9
PH		 1082uschar **sighup_argv = NULL;
1083int smtp_accept_count = 0;
1084BOOL smtp_accept_keepalive = TRUE;
1085int smtp_accept_max = 20;
1086int smtp_accept_max_nonmail= 10;
1087uschar *smtp_accept_max_nonmail_hosts = US"*";
1088int smtp_accept_max_per_connection = 1000;
1089uschar *smtp_accept_max_per_host = NULL;
1090int smtp_accept_queue = 0;
1091int smtp_accept_queue_per_connection = 10;
1092int smtp_accept_reserve = 0;
1093uschar *smtp_active_hostname = NULL;
1094BOOL smtp_authenticated = FALSE;
1f5b4c3d 1095uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1096 "Exim $version_number $tod_full"
1097 "\0<---------------Space to patch smtp_banner->";
1098BOOL smtp_batched_input = FALSE;
1099BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1100int smtp_ch_index = 0;
3ee512ff
PH		 1101uschar *smtp_cmd_argument = NULL;
1102uschar *smtp_cmd_buffer = NULL;
b4ed4da0
PH		 1103time_t smtp_connection_start = 0;
1104uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1105int smtp_connect_backlog = 20;
1106double smtp_delay_mail = 0.0;
1107double smtp_delay_rcpt = 0.0;
1108BOOL smtp_enforce_sync = TRUE;
1109FILE *smtp_in = NULL;
1110BOOL smtp_input = FALSE;
1111int smtp_load_reserve = -1;
1112int smtp_mailcmd_count = 0;
1113FILE *smtp_out = NULL;
1114uschar *smtp_etrn_command = NULL;
1115BOOL smtp_etrn_serialize = TRUE;
1116int smtp_max_synprot_errors= 3;
1117int smtp_max_unknown_commands = 3;
8f128379 1118uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1119uschar *smtp_ratelimit_hosts = NULL;
1120uschar *smtp_ratelimit_mail = NULL;
1121uschar *smtp_ratelimit_rcpt = NULL;
1122uschar *smtp_read_error = US"";
1123int smtp_receive_timeout = 5*60;
1124uschar *smtp_reserve_hosts = NULL;
1125BOOL smtp_return_error_details = FALSE;
1126int smtp_rlm_base = 0;
1127double smtp_rlm_factor = 0.0;
1128int smtp_rlm_limit = 0;
1129int smtp_rlm_threshold = INT_MAX;
1130int smtp_rlr_base = 0;
1131double smtp_rlr_factor = 0.0;
1132int smtp_rlr_limit = 0;
1133int smtp_rlr_threshold = INT_MAX;
1134BOOL smtp_use_pipelining = FALSE;
1135BOOL smtp_use_size = FALSE;
8523533c
TK		 1136
1137#ifdef WITH_CONTENT_SCAN
1138uschar *spamd_address = US"127.0.0.1 783";
1139uschar *spam_bar = NULL;
1140uschar *spam_report = NULL;
1141uschar *spam_score = NULL;
1142uschar *spam_score_int = NULL;
1143#endif
1144#ifdef EXPERIMENTAL_SPF
65a7d8c3 1145uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1146uschar *spf_header_comment = NULL;
1147uschar *spf_received = NULL;
1148uschar *spf_result = NULL;
1149uschar *spf_smtp_comment = NULL;
1150#endif
1151
059ec3d9
PH		 1152BOOL split_spool_directory = FALSE;
1153uschar *spool_directory = US SPOOL_DIRECTORY
1154 "\0<--------------Space to patch spool_directory->";
8523533c
TK		 1155#ifdef EXPERIMENTAL_SRS
1156uschar *srs_config = NULL;
1157uschar *srs_db_address = NULL;
1158uschar *srs_db_key = NULL;
384152a6
TK		 1159int srs_hashlength = 6;
1160int srs_hashmin = -1;
1161int srs_maxage = 31;
8523533c
TK		 1162uschar *srs_orig_recipient = NULL;
1163uschar *srs_orig_sender = NULL;
1164uschar *srs_recipient = NULL;
384152a6 1165uschar *srs_secrets = NULL;
8523533c 1166uschar *srs_status = NULL;
384152a6
TK		 1167BOOL srs_usehash = TRUE;
1168BOOL srs_usetimestamp = TRUE;
8e669ac1 1169#endif
38a0a95f 1170BOOL strict_acl_vars = FALSE;
059ec3d9 1171int string_datestamp_offset= -1;
f1e5fef5
PP		 1172int string_datestamp_length= 0;
1173int string_datestamp_type = -1;
059ec3d9
PH		 1174BOOL strip_excess_angle_brackets = FALSE;
1175BOOL strip_trailing_dot = FALSE;
1176uschar *submission_domain = NULL;
1177BOOL submission_mode = FALSE;
2fe1a124 1178uschar *submission_name = NULL;
8800895a 1179BOOL suppress_local_fixups = FALSE;
059ec3d9
PH		 1180BOOL synchronous_delivery = FALSE;
1181BOOL syslog_duplication = TRUE;
1182int syslog_facility = LOG_MAIL;
1183uschar *syslog_processname = US"exim";
1184BOOL syslog_timestamp = TRUE;
1185uschar *system_filter = NULL;
1186
1187uschar *system_filter_directory_transport = NULL;
1188uschar *system_filter_file_transport = NULL;
1189uschar *system_filter_pipe_transport = NULL;
1190uschar *system_filter_reply_transport = NULL;
1191
1192gid_t system_filter_gid = 0;
1193BOOL system_filter_gid_set = FALSE;
79d4bc3d 1194uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1195BOOL system_filter_uid_set = FALSE;
1196BOOL system_filtering = FALSE;
1197
1198BOOL tcp_nodelay = TRUE;
5dc43717
JJ		 1199#ifdef USE_TCP_WRAPPERS
1200uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1201#endif
8669f003 1202int test_harness_load_avg = 0;
059ec3d9
PH		 1203int thismessage_size_limit = 0;
1204int timeout_frozen_after = 0;
1205BOOL timestamps_utc = FALSE;
1206
1207transport_instance *transports = NULL;
1208
1209transport_instance transport_defaults = {
1210 NULL, /* chain pointer */
1211 NULL, /* name */
1212 NULL, /* info */
1213 NULL, /* private options block pointer */
1214 NULL, /* driver name */
1215 NULL, /* setup entry point */
1216 1, /* batch_max */
1217 NULL, /* batch_id */
1218 NULL, /* home_dir */
1219 NULL, /* current_dir */
1220 TRUE, /* multi-domain */
1221 FALSE, /* overrides_hosts */
1222 100, /* max_addresses */
1223 500, /* connection_max_messages */
1224 FALSE, /* deliver_as_creator */
1225 FALSE, /* disable_logging */
1226 FALSE, /* initgroups */
1227 FALSE, /* uid_set */
1228 FALSE, /* gid_set */
1229 (uid_t)(-1), /* uid */
1230 (gid_t)(-1), /* gid */
1231 NULL, /* expand_uid */
1232 NULL, /* expand_gid */
1233 NULL, /* warn_message */
1234 NULL, /* shadow */
1235 NULL, /* shadow_condition */
1236 NULL, /* filter_command */
1237 NULL, /* add_headers */
1238 NULL, /* remove_headers */
1239 NULL, /* return_path */
1240 NULL, /* debug_string */
1241 NULL, /* message_size_limit */
1242 NULL, /* headers_rewrite */
1243 NULL, /* rewrite_rules */
1244 0, /* rewrite_existflags */
1245 300, /* filter_timeout */
1246 FALSE, /* body_only */
1247 FALSE, /* delivery_date_add */
1248 FALSE, /* envelope_to_add */
1249 FALSE, /* headers_only */
1250 FALSE, /* rcpt_include_affixes */
1251 FALSE, /* return_path_add */
1252 FALSE, /* return_output */
1253 FALSE, /* return_fail_output */
1254 FALSE, /* log_output */
1255 FALSE, /* log_fail_output */
1256 FALSE, /* log_defer_output */
1257 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1258 1 nor 0 so can detect unset */
1259};
1260
1261int transport_count;
332f5cf3 1262int transport_newlines;
059ec3d9
PH		 1263uschar **transport_filter_argv = NULL;
1264int transport_filter_timeout;
2e2a30b4 1265BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1266int transport_write_timeout= 0;
1267
1268tree_node *tree_dns_fails = NULL;
1269tree_node *tree_duplicates = NULL;
1270tree_node *tree_nonrecipients = NULL;
1271tree_node *tree_unusable = NULL;
1272
1273BOOL trusted_caller = FALSE;
e2f5dc15 1274BOOL trusted_config = TRUE;
059ec3d9
PH		 1275gid_t *trusted_groups = NULL;
1276uid_t *trusted_users = NULL;
1277uschar *timezone_string = US TIMEZONE_DEFAULT;
1278
1279uschar *unknown_login = NULL;
1280uschar *unknown_username = NULL;
1281uschar *untrusted_set_sender = NULL;
1282
1283/* A regex for matching a "From_" line in an incoming message, in the form
1284
1285 From ph10 Fri Jan 5 12:35 GMT 1996
1286
1287which the "mail" commands send to the MTA (undocumented, of course), or in
1288the form
1289
1290 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1291
1292which is apparently used by some UUCPs, despite it not being in RFC 976.
1293Because of variations in time formats, just match up to the minutes. That
1294should be sufficient. Examples have been seen of time fields like 12:1:03,
1295so just require one digit for hours and minutes. The weekday is also absent
1296in some forms. */
1297
1298uschar *uucp_from_pattern = US
1299 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1300 "(?:" /* Non-extracting bracket */
1301 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1302 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1303 ")" /* End alternation */
1304 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1305
1306uschar *uucp_from_sender = US"$1";
1307
1308uschar *warn_message_file = NULL;
1309uschar *warnmsg_delay = NULL;
1310uschar *warnmsg_recipients = NULL;
1311BOOL write_rejectlog = TRUE;
1312
0a49a7a4 1313uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2007";
059ec3d9
PH		 1314uschar *version_date = US"?";
1315uschar *version_cnumber = US"????";
1316uschar *version_string = US"?";
1317
1318int warning_count = 0;
1319
1320/* End of globals.c */
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