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[hcoop/debian/exim4.git] / src / globals.c
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420a0d19
CE		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5/* Copyright (c) University of Cambridge 1995 - 2014 */
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
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[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
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))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
38int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
52#endif
53
54#ifdef EXPAND_DLFUNC
55tree_node *dlobj_anchor = NULL;
56#endif
57
58#ifdef LOOKUP_IBASE
59uschar *ibase_servers = NULL;
60#endif
61
62#ifdef LOOKUP_LDAP
63uschar *eldap_ca_cert_dir = NULL;
64uschar *eldap_ca_cert_file = NULL;
65uschar *eldap_cert_file = NULL;
66uschar *eldap_cert_key = NULL;
67uschar *eldap_cipher_suite = NULL;
68uschar *eldap_default_servers = NULL;
69uschar *eldap_require_cert = NULL;
70int eldap_version = -1;
71BOOL eldap_start_tls = FALSE;
72#endif
73
74#ifdef LOOKUP_MYSQL
75uschar *mysql_servers = NULL;
76#endif
77
78#ifdef LOOKUP_ORACLE
79uschar *oracle_servers = NULL;
80#endif
81
82#ifdef LOOKUP_PGSQL
83uschar *pgsql_servers = NULL;
84#endif
85
86#ifdef EXPERIMENTAL_REDIS
87uschar *redis_servers = NULL;
88#endif
89
90#ifdef LOOKUP_SQLITE
91int sqlite_lock_timeout = 5;
92#endif
93
94#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95BOOL move_frozen_messages = FALSE;
96#endif
97
98/* These variables are outside the #ifdef because it keeps the code less
99cluttered in several places (e.g. during logging) if we can always refer to
100them. Also, the tls_ variables are now always visible. */
101
102tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
106 NULL, /* tls_cipher */
107 FALSE,/* tls_on_connect */
108 NULL, /* tls_on_connect_ports */
109 NULL, /* tls_ourcert */
110 NULL, /* tls_peercert */
111 NULL, /* tls_peerdn */
112 NULL, /* tls_sni */
113 0 /* tls_ocsp */
114};
115tls_support tls_out = {
116 -1, /* tls_active */
117 0, /* tls_bits */
118 FALSE,/* tls_certificate_verified */
119 NULL, /* tls_cipher */
120 FALSE,/* tls_on_connect */
121 NULL, /* tls_on_connect_ports */
122 NULL, /* tls_ourcert */
123 NULL, /* tls_peercert */
124 NULL, /* tls_peerdn */
125 NULL, /* tls_sni */
126 0 /* tls_ocsp */
127};
128
129#ifdef EXPERIMENTAL_DSN
130uschar *dsn_envid = NULL;
131int dsn_ret = 0;
132const pcre *regex_DSN = NULL;
133BOOL smtp_use_dsn = FALSE;
134uschar *dsn_advertise_hosts = NULL;
135#endif
136
137#ifdef SUPPORT_TLS
138BOOL gnutls_compat_mode = FALSE;
139BOOL gnutls_allow_auto_pkcs11 = FALSE;
140uschar *gnutls_require_mac = NULL;
141uschar *gnutls_require_kx = NULL;
142uschar *gnutls_require_proto = NULL;
143uschar *openssl_options = NULL;
144const pcre *regex_STARTTLS = NULL;
145uschar *tls_advertise_hosts = NULL; /* This is deliberate */
146uschar *tls_certificate = NULL;
147uschar *tls_crl = NULL;
148/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
149that's the interop problem which has been observed: GnuTLS suggesting a higher
150bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
151int tls_dh_max_bits = 2236;
152uschar *tls_dhparam = NULL;
153#ifndef DISABLE_OCSP
154uschar *tls_ocsp_file = NULL;
155#endif
156BOOL tls_offered = FALSE;
157uschar *tls_privatekey = NULL;
158BOOL tls_remember_esmtp = FALSE;
159uschar *tls_require_ciphers = NULL;
160uschar *tls_try_verify_hosts = NULL;
161uschar *tls_verify_certificates= NULL;
162uschar *tls_verify_hosts = NULL;
163#endif
164
165#ifndef DISABLE_PRDR
166/* Per Recipient Data Response variables */
167BOOL prdr_enable = FALSE;
168BOOL prdr_requested = FALSE;
169const pcre *regex_PRDR = NULL;
170#endif
171
172/* Input-reading functions for messages, so we can use special ones for
173incoming TCP/IP. The defaults use stdin. We never need these for any
174stand-alone tests. */
175
176#ifndef STAND_ALONE
177int (*receive_getc)(void) = stdin_getc;
178int (*receive_ungetc)(int) = stdin_ungetc;
179int (*receive_feof)(void) = stdin_feof;
180int (*receive_ferror)(void) = stdin_ferror;
181BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
182#endif
183
184
185/* List of per-address expansion variables for clearing and saving/restoring
186when verifying one address while routing/verifying another. We have to have
187the size explicit, because it is referenced from more than one module. */
188
189uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
190 &deliver_address_data,
191 &deliver_domain,
192 &deliver_domain_data,
193 &deliver_domain_orig,
194 &deliver_domain_parent,
195 &deliver_localpart,
196 &deliver_localpart_data,
197 &deliver_localpart_orig,
198 &deliver_localpart_parent,
199 &deliver_localpart_prefix,
200 &deliver_localpart_suffix,
201 (uschar **)(&deliver_recipients),
202 &deliver_host,
203 &deliver_home,
204 &address_file,
205 &address_pipe,
206 &self_hostname,
207 NULL };
208
209int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
210
211/* General global variables */
212
213header_line *acl_added_headers = NULL;
214tree_node *acl_anchor = NULL;
215uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
216 NULL, NULL, NULL, NULL};
217int acl_narg = 0;
218
219uschar *acl_not_smtp = NULL;
220#ifdef WITH_CONTENT_SCAN
221uschar *acl_not_smtp_mime = NULL;
222#endif
223uschar *acl_not_smtp_start = NULL;
224uschar *acl_removed_headers = NULL;
225uschar *acl_smtp_auth = NULL;
226uschar *acl_smtp_connect = NULL;
227uschar *acl_smtp_data = NULL;
228#ifndef DISABLE_PRDR
229uschar *acl_smtp_data_prdr = NULL;
230#endif
231#ifndef DISABLE_DKIM
232uschar *acl_smtp_dkim = NULL;
233#endif
234uschar *acl_smtp_etrn = NULL;
235uschar *acl_smtp_expn = NULL;
236uschar *acl_smtp_helo = NULL;
237uschar *acl_smtp_mail = NULL;
238uschar *acl_smtp_mailauth = NULL;
239#ifdef WITH_CONTENT_SCAN
240uschar *acl_smtp_mime = NULL;
241#endif
242uschar *acl_smtp_notquit = NULL;
243uschar *acl_smtp_predata = NULL;
244uschar *acl_smtp_quit = NULL;
245uschar *acl_smtp_rcpt = NULL;
246uschar *acl_smtp_starttls = NULL;
247uschar *acl_smtp_vrfy = NULL;
248
249BOOL acl_temp_details = FALSE;
250tree_node *acl_var_c = NULL;
251tree_node *acl_var_m = NULL;
252uschar *acl_verify_message = NULL;
253string_item *acl_warn_logged = NULL;
254
255/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
256error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
257
258uschar *acl_wherenames[] = { US"RCPT",
259 US"MAIL",
260 US"PREDATA",
261 US"MIME",
262 US"DKIM",
263 US"DATA",
264#ifndef DISABLE_PRDR
265 US"PRDR",
266#endif
267 US"non-SMTP",
268 US"AUTH",
269 US"connection",
270 US"ETRN",
271 US"EXPN",
272 US"EHLO or HELO",
273 US"MAILAUTH",
274 US"non-SMTP-start",
275 US"NOTQUIT",
276 US"QUIT",
277 US"STARTTLS",
278 US"VRFY",
279 US"delivery",
280 US"unknown"
281 };
282
283uschar *acl_wherecodes[] = { US"550", /* RCPT */
284 US"550", /* MAIL */
285 US"550", /* PREDATA */
286 US"550", /* MIME */
287 US"550", /* DKIM */
288 US"550", /* DATA */
289#ifndef DISABLE_PRDR
290 US"550", /* RCPT PRDR */
291#endif
292 US"0", /* not SMTP; not relevant */
293 US"503", /* AUTH */
294 US"550", /* connect */
295 US"458", /* ETRN */
296 US"550", /* EXPN */
297 US"550", /* HELO/EHLO */
298 US"0", /* MAILAUTH; not relevant */
299 US"0", /* not SMTP; not relevant */
300 US"0", /* NOTQUIT; not relevant */
301 US"0", /* QUIT; not relevant */
302 US"550", /* STARTTLS */
303 US"252", /* VRFY */
304 US"0", /* delivery; not relevant */
305 US"0" /* unknown; not relevant */
306 };
307
308BOOL active_local_from_check = FALSE;
309BOOL active_local_sender_retain = FALSE;
310int body_8bitmime = 0;
311BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
312address_item *addr_duplicate = NULL;
313
314address_item address_defaults = {
315 NULL, /* next */
316 NULL, /* parent */
317 NULL, /* first */
318 NULL, /* dupof */
319 NULL, /* start_router */
320 NULL, /* router */
321 NULL, /* transport */
322 NULL, /* host_list */
323 NULL, /* host_used */
324 NULL, /* fallback_hosts */
325 NULL, /* reply */
326 NULL, /* retries */
327 NULL, /* address */
328 NULL, /* unique */
329 NULL, /* cc_local_part */
330 NULL, /* lc_local_part */
331 NULL, /* local_part */
332 NULL, /* prefix */
333 NULL, /* suffix */
334 NULL, /* domain */
335 NULL, /* address_retry_key */
336 NULL, /* domain_retry_key */
337 NULL, /* current_dir */
338 NULL, /* home_dir */
339 NULL, /* message */
340 NULL, /* user_message */
341 NULL, /* onetime_parent */
342 NULL, /* pipe_expandn */
343 NULL, /* return_filename */
344 NULL, /* self_hostname */
345 NULL, /* shadow_message */
346 #ifdef SUPPORT_TLS
347 NULL, /* cipher */
348 NULL, /* ourcert */
349 NULL, /* peercert */
350 NULL, /* peerdn */
351 OCSP_NOT_REQ, /* ocsp */
352 #endif
353 NULL, /* authenticator */
354 NULL, /* auth_id */
355 NULL, /* auth_sndr */
356 #ifdef EXPERIMENTAL_DSN
357 NULL, /* dsn_orcpt */
358 0, /* dsn_flags */
359 0, /* dsn_aware */
360 #endif
361 (uid_t)(-1), /* uid */
362 (gid_t)(-1), /* gid */
363 0, /* flags */
364 { 0 }, /* domain_cache - any larger array should be zeroed */
365 { 0 }, /* localpart_cache - ditto */
366 -1, /* mode */
367 0, /* more_errno */
368 ERRNO_UNKNOWNERROR, /* basic_errno */
369 0, /* child_count */
370 -1, /* return_file */
371 SPECIAL_NONE, /* special_action */
372 DEFER, /* transport_return */
373 { /* fields that are propagated to children */
374 NULL, /* address_data */
375 NULL, /* domain_data */
376 NULL, /* localpart_data */
377 NULL, /* errors_address */
378 NULL, /* extra_headers */
379 NULL, /* remove_headers */
380#ifdef EXPERIMENTAL_SRS
381 NULL, /* srs_sender */
382#endif
383 }
384};
385
386uschar *address_file = NULL;
387uschar *address_pipe = NULL;
388BOOL address_test_mode = FALSE;
389tree_node *addresslist_anchor = NULL;
390int addresslist_count = 0;
391gid_t *admin_groups = NULL;
392BOOL admin_user = FALSE;
393BOOL allow_auth_unadvertised= FALSE;
394BOOL allow_domain_literals = FALSE;
395BOOL allow_mx_to_ip = FALSE;
396BOOL allow_unqualified_recipient = TRUE; /* For local messages */
397BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
398BOOL allow_utf8_domains = FALSE;
399uschar *authenticated_fail_id = NULL;
400uschar *authenticated_id = NULL;
401uschar *authenticated_sender = NULL;
402BOOL authentication_failed = FALSE;
403auth_instance *auths = NULL;
404uschar *auth_advertise_hosts = US"*";
405auth_instance auth_defaults = {
406 NULL, /* chain pointer */
407 NULL, /* name */
408 NULL, /* info */
409 NULL, /* private options block pointer */
410 NULL, /* driver_name */
411 NULL, /* advertise_condition */
412 NULL, /* client_condition */
413 NULL, /* public_name */
414 NULL, /* set_id */
415 NULL, /* set_client_id */
416 NULL, /* server_mail_auth_condition */
417 NULL, /* server_debug_string */
418 NULL, /* server_condition */
419 FALSE, /* client */
420 FALSE, /* server */
421 FALSE /* advertised */
422};
423
424uschar *auth_defer_msg = US"reason not recorded";
425uschar *auth_defer_user_msg = US"";
426uschar *auth_vars[AUTH_VARS];
427int auto_thaw = 0;
428#ifdef WITH_CONTENT_SCAN
429BOOL av_failed = FALSE;
430uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
431#endif
432
433BOOL background_daemon = TRUE;
434
435#if BASE_62 == 62
436uschar *base62_chars=
437 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
438#else
439uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
440#endif
441
442uschar *bi_command = NULL;
443uschar *big_buffer = NULL;
444int big_buffer_size = BIG_BUFFER_SIZE;
445#ifdef EXPERIMENTAL_BRIGHTMAIL
446uschar *bmi_alt_location = NULL;
447uschar *bmi_base64_tracker_verdict = NULL;
448uschar *bmi_base64_verdict = NULL;
449uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
450int bmi_deliver = 1;
451int bmi_run = 0;
452uschar *bmi_verdicts = NULL;
453#endif
454int body_linecount = 0;
455int body_zerocount = 0;
456uschar *bounce_message_file = NULL;
457uschar *bounce_message_text = NULL;
458uschar *bounce_recipient = NULL;
459BOOL bounce_return_body = TRUE;
460BOOL bounce_return_message = TRUE;
461int bounce_return_size_limit = 100*1024;
462uschar *bounce_sender_authentication = NULL;
463int bsmtp_transaction_linecount = 0;
464
465int callout_cache_domain_positive_expire = 7*24*60*60;
466int callout_cache_domain_negative_expire = 3*60*60;
467int callout_cache_positive_expire = 24*60*60;
468int callout_cache_negative_expire = 2*60*60;
469uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
470uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
471int check_log_inodes = 0;
472int check_log_space = 0;
473BOOL check_rfc2047_length = TRUE;
474int check_spool_inodes = 0;
475int check_spool_space = 0;
476uschar *client_authenticator = NULL;
477uschar *client_authenticated_id = NULL;
478uschar *client_authenticated_sender = NULL;
479int clmacro_count = 0;
480uschar *clmacros[MAX_CLMACROS];
481BOOL config_changed = FALSE;
482FILE *config_file = NULL;
483uschar *config_filename = NULL;
484int config_lineno = 0;
485#ifdef CONFIGURE_GROUP
486gid_t config_gid = CONFIGURE_GROUP;
487#endif
488uschar *config_main_filelist = US CONFIGURE_FILE
489 "\0<-----------Space to patch configure_filename->";
490uschar *config_main_filename = NULL;
491
492#ifdef CONFIGURE_OWNER
493uid_t config_uid = CONFIGURE_OWNER;
494#endif
495
496int connection_max_messages= -1;
497uschar *continue_hostname = NULL;
498uschar *continue_host_address = NULL;
499BOOL continue_more = FALSE;
500int continue_sequence = 1;
501uschar *continue_transport = NULL;
502
503uschar *csa_status = NULL;
504BOOL cutthrough_delivery = FALSE;
505int cutthrough_fd = -1;
506
507BOOL daemon_listen = FALSE;
508uschar *daemon_smtp_port = US"smtp";
509int daemon_startup_retries = 9;
510int daemon_startup_sleep = 30;
511
512#ifdef EXPERIMENTAL_DCC
513BOOL dcc_direct_add_header = FALSE;
514uschar *dcc_header = NULL;
515uschar *dcc_result = NULL;
516uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
517uschar *dccifd_options = US"header";
518#endif
519
520BOOL debug_daemon = FALSE;
521int debug_fd = -1;
522FILE *debug_file = NULL;
523bit_table debug_options[] = {
524 { US"acl", D_acl },
525 { US"all", D_all },
526 { US"auth", D_auth },
527 { US"deliver", D_deliver },
528 { US"dns", D_dns },
529 { US"dnsbl", D_dnsbl },
530 { US"exec", D_exec },
531 { US"expand", D_expand },
532 { US"filter", D_filter },
533 { US"hints_lookup", D_hints_lookup },
534 { US"host_lookup", D_host_lookup },
535 { US"ident", D_ident },
536 { US"interface", D_interface },
537 { US"lists", D_lists },
538 { US"load", D_load },
539 { US"local_scan", D_local_scan },
540 { US"lookup", D_lookup },
541 { US"memory", D_memory },
542 { US"pid", D_pid },
543 { US"process_info", D_process_info },
544 { US"queue_run", D_queue_run },
545 { US"receive", D_receive },
546 { US"resolver", D_resolver },
547 { US"retry", D_retry },
548 { US"rewrite", D_rewrite },
549 { US"route", D_route },
550 { US"timestamp", D_timestamp },
551 { US"tls", D_tls },
552 { US"transport", D_transport },
553 { US"uid", D_uid },
554 { US"verify", D_verify }
555};
556int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
557unsigned int debug_selector = 0;
558int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
559uschar *delay_warning_condition=
560 US"${if or {"
561 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
562 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
563 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
564 "} {no}{yes}}";
565BOOL delivery_date_remove = TRUE;
566uschar *deliver_address_data = NULL;
567int deliver_datafile = -1;
568uschar *deliver_domain = NULL;
569uschar *deliver_domain_data = NULL;
570uschar *deliver_domain_orig = NULL;
571uschar *deliver_domain_parent = NULL;
572BOOL deliver_drop_privilege = FALSE;
573BOOL deliver_firsttime = FALSE;
574BOOL deliver_force = FALSE;
575BOOL deliver_freeze = FALSE;
576time_t deliver_frozen_at = 0;
577uschar *deliver_home = NULL;
578uschar *deliver_host = NULL;
579uschar *deliver_host_address = NULL;
580uschar *deliver_in_buffer = NULL;
581ino_t deliver_inode = 0;
582uschar *deliver_localpart = NULL;
583uschar *deliver_localpart_data = NULL;
584uschar *deliver_localpart_orig = NULL;
585uschar *deliver_localpart_parent = NULL;
586uschar *deliver_localpart_prefix = NULL;
587uschar *deliver_localpart_suffix = NULL;
588BOOL deliver_force_thaw = FALSE;
589BOOL deliver_manual_thaw = FALSE;
590uschar *deliver_out_buffer = NULL;
591int deliver_queue_load_max = -1;
592address_item *deliver_recipients = NULL;
593uschar *deliver_selectstring = NULL;
594BOOL deliver_selectstring_regex = FALSE;
595uschar *deliver_selectstring_sender = NULL;
596BOOL deliver_selectstring_sender_regex = FALSE;
597#ifdef WITH_OLD_DEMIME
598int demime_errorlevel = 0;
599int demime_ok = 0;
600uschar *demime_reason = NULL;
601#endif
602BOOL disable_callout_flush = FALSE;
603BOOL disable_delay_flush = FALSE;
604#ifdef ENABLE_DISABLE_FSYNC
605BOOL disable_fsync = FALSE;
606#endif
607BOOL disable_ipv6 = FALSE;
608BOOL disable_logging = FALSE;
609
610#ifndef DISABLE_DKIM
611uschar *dkim_cur_signer = NULL;
612uschar *dkim_signers = NULL;
613uschar *dkim_signing_domain = NULL;
614uschar *dkim_signing_selector = NULL;
615uschar *dkim_verify_signers = US"$dkim_signers";
616BOOL dkim_collect_input = FALSE;
617BOOL dkim_disable_verify = FALSE;
618#endif
619#ifdef EXPERIMENTAL_DMARC
620BOOL dmarc_has_been_checked = FALSE;
621uschar *dmarc_ar_header = NULL;
622uschar *dmarc_domain_policy = NULL;
623uschar *dmarc_forensic_sender = NULL;
624uschar *dmarc_history_file = NULL;
625uschar *dmarc_status = NULL;
626uschar *dmarc_status_text = NULL;
627uschar *dmarc_tld_file = NULL;
628uschar *dmarc_used_domain = NULL;
629BOOL dmarc_disable_verify = FALSE;
630BOOL dmarc_enable_forensic = FALSE;
631#endif
632
633uschar *dns_again_means_nonexist = NULL;
634int dns_csa_search_limit = 5;
635BOOL dns_csa_use_reverse = TRUE;
636uschar *dns_ipv4_lookup = NULL;
637int dns_retrans = 0;
638int dns_retry = 0;
639int dns_dnssec_ok = -1; /* <0 = not coerced */
640int dns_use_edns0 = -1; /* <0 = not coerced */
641uschar *dnslist_domain = NULL;
642uschar *dnslist_matched = NULL;
643uschar *dnslist_text = NULL;
644uschar *dnslist_value = NULL;
645tree_node *domainlist_anchor = NULL;
646int domainlist_count = 0;
647BOOL dont_deliver = FALSE;
648BOOL dot_ends = TRUE;
649BOOL drop_cr = FALSE; /* No longer used */
650uschar *dsn_from = US DEFAULT_DSN_FROM;
651
652BOOL enable_dollar_recipients = FALSE;
653BOOL envelope_to_remove = TRUE;
654int errno_quota = ERRNO_QUOTA;
655uschar *errors_copy = NULL;
656int error_handling = ERRORS_SENDER;
657uschar *errors_reply_to = NULL;
658int errors_sender_rc = EXIT_FAILURE;
659
660gid_t exim_gid = EXIM_GID;
661BOOL exim_gid_set = TRUE; /* This gid is always set */
662uschar *exim_path = US BIN_DIRECTORY "/exim"
663 "\0<---------------Space to patch exim_path->";
664uid_t exim_uid = EXIM_UID;
665BOOL exim_uid_set = TRUE; /* This uid is always set */
666int expand_forbid = 0;
667int expand_nlength[EXPAND_MAXN+1];
668int expand_nmax = -1;
669uschar *expand_nstring[EXPAND_MAXN+1];
670BOOL expand_string_forcedfail = FALSE;
671uschar *expand_string_message;
672BOOL extract_addresses_remove_arguments = TRUE;
673uschar *extra_local_interfaces = NULL;
674
675int fake_response = OK;
676uschar *fake_response_text = US"Your message has been rejected but is "
677 "being kept for evaluation.\nIf it was a "
678 "legitimate message, it may still be "
679 "delivered to the target recipient(s).";
680int filter_n[FILTER_VARIABLE_COUNT];
681BOOL filter_running = FALSE;
682int filter_sn[FILTER_VARIABLE_COUNT];
683int filter_test = FTEST_NONE;
684uschar *filter_test_sfile = NULL;
685uschar *filter_test_ufile = NULL;
686uschar *filter_thisaddress = NULL;
687int finduser_retries = 0;
688#ifdef WITH_OLD_DEMIME
689uschar *found_extension = NULL;
690#endif
691uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
692uschar *freeze_tell = NULL;
693uschar *freeze_tell_config = NULL;
694uschar *fudged_queue_times = US"";
695
696uschar *gecos_name = NULL;
697uschar *gecos_pattern = NULL;
698rewrite_rule *global_rewrite_rules = NULL;
699
700uschar *headers_charset = US HEADERS_CHARSET;
701int header_insert_maxlen = 64 * 1024;
702header_line *header_last = NULL;
703header_line *header_list = NULL;
704int header_maxsize = HEADER_MAXSIZE;
705int header_line_maxsize = 0;
706
707header_name header_names[] = {
708 { US"bcc", 3, TRUE, htype_bcc },
709 { US"cc", 2, TRUE, htype_cc },
710 { US"date", 4, TRUE, htype_date },
711 { US"delivery-date", 13, FALSE, htype_delivery_date },
712 { US"envelope-to", 11, FALSE, htype_envelope_to },
713 { US"from", 4, TRUE, htype_from },
714 { US"message-id", 10, TRUE, htype_id },
715 { US"received", 8, FALSE, htype_received },
716 { US"reply-to", 8, FALSE, htype_reply_to },
717 { US"return-path", 11, FALSE, htype_return_path },
718 { US"sender", 6, TRUE, htype_sender },
719 { US"subject", 7, FALSE, htype_subject },
720 { US"to", 2, TRUE, htype_to }
721};
722
723int header_names_size = sizeof(header_names)/sizeof(header_name);
724
725BOOL header_rewritten = FALSE;
726uschar *helo_accept_junk_hosts = NULL;
727uschar *helo_allow_chars = US"";
728uschar *helo_lookup_domains = US"@ : @[]";
729uschar *helo_try_verify_hosts = NULL;
730BOOL helo_verified = FALSE;
731BOOL helo_verify_failed = FALSE;
732uschar *helo_verify_hosts = NULL;
733const uschar *hex_digits = CUS"0123456789abcdef";
734uschar *hold_domains = NULL;
735BOOL host_checking = FALSE;
736BOOL host_checking_callout = FALSE;
737uschar *host_data = NULL;
738BOOL host_find_failed_syntax= FALSE;
739uschar *host_lookup = NULL;
740BOOL host_lookup_deferred = FALSE;
741BOOL host_lookup_failed = FALSE;
742uschar *host_lookup_order = US"bydns:byaddr";
743uschar *host_lookup_msg = US"";
744int host_number = 0;
745uschar *host_number_string = NULL;
746uschar *host_reject_connection = NULL;
747tree_node *hostlist_anchor = NULL;
748int hostlist_count = 0;
749uschar *hosts_treat_as_local = NULL;
750uschar *hosts_connection_nolog = NULL;
751
752int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
753BOOL ignore_fromline_local = FALSE;
754uschar *ignore_fromline_hosts = NULL;
755BOOL inetd_wait_mode = FALSE;
756int inetd_wait_timeout = -1;
757uschar *interface_address = NULL;
758int interface_port = -1;
759BOOL is_inetd = FALSE;
760uschar *iterate_item = NULL;
761
762int journal_fd = -1;
763
764int keep_malformed = 4*24*60*60; /* 4 days */
765
766uschar *eldap_dn = NULL;
767int load_average = -2;
768BOOL local_error_message = FALSE;
769BOOL local_from_check = TRUE;
770uschar *local_from_prefix = NULL;
771uschar *local_from_suffix = NULL;
772
773#if HAVE_IPV6
774uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
775#else
776uschar *local_interfaces = US"0.0.0.0";
777#endif
778
779uschar *local_scan_data = NULL;
780int local_scan_timeout = 5*60;
781BOOL local_sender_retain = FALSE;
782gid_t local_user_gid = (gid_t)(-1);
783uid_t local_user_uid = (uid_t)(-1);
784
785tree_node *localpartlist_anchor= NULL;
786int localpartlist_count = 0;
787uschar *log_buffer = NULL;
788unsigned int log_extra_selector = LX_default;
789uschar *log_file_path = US LOG_FILE_PATH
790 "\0<--------------Space to patch log_file_path->";
791
792/* Those log options with L_xxx identifiers have values less than 0x800000 and
793are the ones that get put into log_write_selector. They can be used in calls to
794log_write() to test for the bit. The options with LX_xxx identifiers have
795values greater than 0x80000000 and are put into log_extra_selector (without the
796top bit). They are never used in calls to log_write(), but are tested
797independently. This separation became necessary when the number of log
798selectors was getting close to filling a 32-bit word. */
799
800/* Note that this list must be in alphabetical order. */
801
802bit_table log_options[] = {
803 { US"8bitmime", LX_8bitmime },
804 { US"acl_warn_skipped", LX_acl_warn_skipped },
805 { US"address_rewrite", L_address_rewrite },
806 { US"all", L_all },
807 { US"all_parents", L_all_parents },
808 { US"arguments", LX_arguments },
809 { US"connection_reject", L_connection_reject },
810 { US"delay_delivery", L_delay_delivery },
811 { US"deliver_time", LX_deliver_time },
812 { US"delivery_size", LX_delivery_size },
813 { US"dnslist_defer", L_dnslist_defer },
814 { US"etrn", L_etrn },
815 { US"host_lookup_failed", L_host_lookup_failed },
816 { US"ident_timeout", LX_ident_timeout },
817 { US"incoming_interface", LX_incoming_interface },
818 { US"incoming_port", LX_incoming_port },
819 { US"lost_incoming_connection", L_lost_incoming_connection },
820 { US"outgoing_port", LX_outgoing_port },
821 { US"pid", LX_pid },
822#ifdef EXPERIMENTAL_PROXY
823 { US"proxy", LX_proxy },
824#endif
825 { US"queue_run", L_queue_run },
826 { US"queue_time", LX_queue_time },
827 { US"queue_time_overall", LX_queue_time_overall },
828 { US"received_recipients", LX_received_recipients },
829 { US"received_sender", LX_received_sender },
830 { US"rejected_header", LX_rejected_header },
831 { US"rejected_headers", LX_rejected_header },
832 { US"retry_defer", L_retry_defer },
833 { US"return_path_on_delivery", LX_return_path_on_delivery },
834 { US"sender_on_delivery", LX_sender_on_delivery },
835 { US"sender_verify_fail", LX_sender_verify_fail },
836 { US"size_reject", L_size_reject },
837 { US"skip_delivery", L_skip_delivery },
838 { US"smtp_confirmation", LX_smtp_confirmation },
839 { US"smtp_connection", L_smtp_connection },
840 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
841 { US"smtp_mailauth", LX_smtp_mailauth },
842 { US"smtp_no_mail", LX_smtp_no_mail },
843 { US"smtp_protocol_error", L_smtp_protocol_error },
844 { US"smtp_syntax_error", L_smtp_syntax_error },
845 { US"subject", LX_subject },
846 { US"tls_certificate_verified", LX_tls_certificate_verified },
847 { US"tls_cipher", LX_tls_cipher },
848 { US"tls_peerdn", LX_tls_peerdn },
849 { US"tls_sni", LX_tls_sni },
850 { US"unknown_in_list", LX_unknown_in_list }
851};
852
853int log_options_count = sizeof(log_options)/sizeof(bit_table);
854int log_reject_target = 0;
855uschar *log_selector_string = NULL;
856FILE *log_stderr = NULL;
857BOOL log_testing_mode = FALSE;
858BOOL log_timezone = FALSE;
859unsigned int log_write_selector= L_default;
860uschar *login_sender_address = NULL;
861uschar *lookup_dnssec_authenticated = NULL;
862int lookup_open_max = 25;
863uschar *lookup_value = NULL;
864
865macro_item *macros = NULL;
866uschar *mailstore_basename = NULL;
867#ifdef WITH_CONTENT_SCAN
868uschar *malware_name = NULL; /* Virus Name */
869#endif
870int max_received_linelength= 0;
871int max_username_length = 0;
872int message_age = 0;
873uschar *message_body = NULL;
874uschar *message_body_end = NULL;
875BOOL message_body_newlines = FALSE;
876int message_body_size = 0;
877int message_body_visible = 500;
878int message_ended = END_NOTSTARTED;
879uschar *message_headers = NULL;
880uschar *message_id;
881uschar *message_id_domain = NULL;
882uschar *message_id_text = NULL;
883struct timeval message_id_tv = { 0, 0 };
884uschar message_id_option[MESSAGE_ID_LENGTH + 3];
885uschar *message_id_external;
886int message_linecount = 0;
887BOOL message_logs = TRUE;
888int message_size = 0;
889uschar *message_size_limit = US"50M";
890uschar message_subdir[2] = { 0, 0 };
891uschar *message_reference = NULL;
892
893/* MIME ACL expandables */
894#ifdef WITH_CONTENT_SCAN
895int mime_anomaly_level = 0;
896const uschar *mime_anomaly_text = NULL;
897uschar *mime_boundary = NULL;
898uschar *mime_charset = NULL;
899uschar *mime_content_description = NULL;
900uschar *mime_content_disposition = NULL;
901uschar *mime_content_id = NULL;
902unsigned int mime_content_size = 0;
903uschar *mime_content_transfer_encoding = NULL;
904uschar *mime_content_type = NULL;
905uschar *mime_decoded_filename = NULL;
906uschar *mime_filename = NULL;
907int mime_is_multipart = 0;
908int mime_is_coverletter = 0;
909int mime_is_rfc822 = 0;
910int mime_part_count = -1;
911#endif
912
913BOOL mua_wrapper = FALSE;
914
915uid_t *never_users = NULL;
916#ifdef WITH_CONTENT_SCAN
917BOOL no_mbox_unspool = FALSE;
918#endif
919BOOL no_multiline_responses = FALSE;
920
921uid_t original_euid;
922gid_t originator_gid;
923uschar *originator_login = NULL;
924uschar *originator_name = NULL;
925uid_t originator_uid;
926uschar *override_local_interfaces = NULL;
927uschar *override_pid_file_path = NULL;
928
929BOOL parse_allow_group = FALSE;
930BOOL parse_found_group = FALSE;
931uschar *percent_hack_domains = NULL;
932uschar *pid_file_path = US PID_FILE_PATH
933 "\0<--------------Space to patch pid_file_path->";
934BOOL pipelining_enable = TRUE;
935uschar *pipelining_advertise_hosts = US"*";
936BOOL preserve_message_logs = FALSE;
937uschar *primary_hostname = NULL;
938BOOL print_topbitchars = FALSE;
939uschar process_info[PROCESS_INFO_SIZE];
940int process_info_len = 0;
941uschar *process_log_path = NULL;
942BOOL prod_requires_admin = TRUE;
943
944#ifdef EXPERIMENTAL_PROXY
945uschar *proxy_host_address = US"";
946int proxy_host_port = 0;
947uschar *proxy_required_hosts = US"";
948BOOL proxy_session = FALSE;
949BOOL proxy_session_failed = FALSE;
950uschar *proxy_target_address = US"";
951int proxy_target_port = 0;
952#endif
953
954uschar *prvscheck_address = NULL;
955uschar *prvscheck_keynum = NULL;
956uschar *prvscheck_result = NULL;
957
958
959uschar *qualify_domain_recipient = NULL;
960uschar *qualify_domain_sender = NULL;
961BOOL queue_2stage = FALSE;
962uschar *queue_domains = NULL;
963int queue_interval = -1;
964BOOL queue_list_requires_admin = TRUE;
965BOOL queue_only = FALSE;
966uschar *queue_only_file = NULL;
967int queue_only_load = -1;
968BOOL queue_only_load_latch = TRUE;
969BOOL queue_only_override = TRUE;
970BOOL queue_only_policy = FALSE;
971BOOL queue_run_first_delivery = FALSE;
972BOOL queue_run_force = FALSE;
973BOOL queue_run_in_order = FALSE;
974BOOL queue_run_local = FALSE;
975int queue_run_max = 5;
976pid_t queue_run_pid = (pid_t)0;
977int queue_run_pipe = -1;
978BOOL queue_running = FALSE;
979BOOL queue_smtp = FALSE;
980uschar *queue_smtp_domains = NULL;
981
982unsigned int random_seed = 0;
983tree_node *ratelimiters_cmd = NULL;
984tree_node *ratelimiters_conn = NULL;
985tree_node *ratelimiters_mail = NULL;
986uschar *raw_active_hostname = NULL;
987uschar *raw_sender = NULL;
988uschar **raw_recipients = NULL;
989int raw_recipients_count = 0;
990
991int rcpt_count = 0;
992int rcpt_fail_count = 0;
993int rcpt_defer_count = 0;
994gid_t real_gid;
995uid_t real_uid;
996BOOL really_exim = TRUE;
997BOOL receive_call_bombout = FALSE;
998int receive_linecount = 0;
999int receive_messagecount = 0;
1000int receive_timeout = 0;
1001int received_count = 0;
1002uschar *received_for = NULL;
1003
1004/* This is the default text for Received headers generated by Exim. The
1005date will be automatically added on the end. */
1006
1007uschar *received_header_text = US
1008 "Received: "
1009 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1010 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1011 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1012 "by $primary_hostname "
1013 "${if def:received_protocol {with $received_protocol}} "
1014 #ifdef SUPPORT_TLS
1015 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1016 #endif
1017 "(Exim $version_number)\n\t"
1018 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1019 "id $message_exim_id"
1020 "${if def:received_for {\n\tfor $received_for}}"
1021 "\0<---------------Space to patch received_header_text->";
1022
1023int received_headers_max = 30;
1024uschar *received_protocol = NULL;
1025int received_time = 0;
1026uschar *recipient_data = NULL;
1027uschar *recipient_unqualified_hosts = NULL;
1028uschar *recipient_verify_failure = NULL;
1029int recipients_count = 0;
1030BOOL recipients_discarded = FALSE;
1031recipient_item *recipients_list = NULL;
1032int recipients_list_max = 0;
1033int recipients_max = 0;
1034BOOL recipients_max_reject = FALSE;
1035const pcre *regex_AUTH = NULL;
1036const pcre *regex_check_dns_names = NULL;
1037const pcre *regex_From = NULL;
1038const pcre *regex_IGNOREQUOTA = NULL;
1039const pcre *regex_PIPELINING = NULL;
1040const pcre *regex_SIZE = NULL;
1041const pcre *regex_smtp_code = NULL;
1042const pcre *regex_ismsgid = NULL;
1043#ifdef WHITELIST_D_MACROS
1044const pcre *regex_whitelisted_macro = NULL;
1045#endif
1046#ifdef WITH_CONTENT_SCAN
1047uschar *regex_match_string = NULL;
1048#endif
1049int remote_delivery_count = 0;
1050int remote_max_parallel = 2;
1051uschar *remote_sort_domains = NULL;
1052int retry_data_expire = 7*24*60*60;
1053int retry_interval_max = 24*60*60;
1054int retry_maximum_timeout = 0; /* set from retry config */
1055retry_config *retries = NULL;
1056uschar *return_path = NULL;
1057BOOL return_path_remove = TRUE;
1058int rewrite_existflags = 0;
1059uschar *rfc1413_hosts = US"*";
1060int rfc1413_query_timeout = 5;
1061/* BOOL rfc821_domains = FALSE; <<< on the way out */
1062uid_t root_gid = ROOT_GID;
1063uid_t root_uid = ROOT_UID;
1064
1065router_instance *routers = NULL;
1066router_instance router_defaults = {
1067 NULL, /* chain pointer */
1068 NULL, /* name */
1069 NULL, /* info */
1070 NULL, /* private options block pointer */
1071 NULL, /* driver name */
1072
1073 NULL, /* address_data */
1074#ifdef EXPERIMENTAL_BRIGHTMAIL
1075 NULL, /* bmi_rule */
1076#endif
1077 NULL, /* cannot_route_message */
1078 NULL, /* condition */
1079 NULL, /* current_directory */
1080 NULL, /* debug_string */
1081 NULL, /* domains */
1082 NULL, /* errors_to */
1083 NULL, /* expand_gid */
1084 NULL, /* expand_uid */
1085 NULL, /* expand_more */
1086 NULL, /* expand_unseen */
1087 NULL, /* extra_headers */
1088 NULL, /* fallback_hosts */
1089 NULL, /* home_directory */
1090 NULL, /* ignore_target_hosts */
1091 NULL, /* local_parts */
1092 NULL, /* pass_router_name */
1093 NULL, /* prefix */
1094 NULL, /* redirect_router_name */
1095 NULL, /* remove_headers */
1096 NULL, /* require_files */
1097 NULL, /* router_home_directory */
1098 US"freeze", /* self */
1099 NULL, /* senders */
1100 NULL, /* suffix */
1101 NULL, /* translate_ip_address */
1102 NULL, /* transport_name */
1103
1104 TRUE, /* address_test */
1105#ifdef EXPERIMENTAL_BRIGHTMAIL
1106 FALSE, /* bmi_deliver_alternate */
1107 FALSE, /* bmi_deliver_default */
1108 FALSE, /* bmi_dont_deliver */
1109#endif
1110 TRUE, /* expn */
1111 FALSE, /* caseful_local_part */
1112 FALSE, /* check_local_user */
1113 FALSE, /* disable_logging */
1114 FALSE, /* fail_verify_recipient */
1115 FALSE, /* fail_verify_sender */
1116 FALSE, /* gid_set */
1117 FALSE, /* initgroups */
1118 TRUE_UNSET, /* log_as_local */
1119 TRUE, /* more */
1120 FALSE, /* pass_on_timeout */
1121 FALSE, /* prefix_optional */
1122 TRUE, /* repeat_use */
1123 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1124 FALSE, /* same_domain_copy_routing */
1125 FALSE, /* self_rewrite */
1126 FALSE, /* suffix_optional */
1127 FALSE, /* verify_only */
1128 TRUE, /* verify_recipient */
1129 TRUE, /* verify_sender */
1130 FALSE, /* uid_set */
1131 FALSE, /* unseen */
1132#ifdef EXPERIMENTAL_DSN
1133 FALSE, /* dsn_lasthop */
1134#endif
1135
1136 self_freeze, /* self_code */
1137 (uid_t)(-1), /* uid */
1138 (gid_t)(-1), /* gid */
1139
1140 NULL, /* fallback_hostlist */
1141 NULL, /* transport instance */
1142 NULL, /* pass_router */
1143 NULL /* redirect_router */
1144};
1145
1146uschar *router_name = NULL;
1147
1148ip_address_item *running_interfaces = NULL;
1149BOOL running_in_test_harness = FALSE;
1150
1151/* This is a weird one. The following string gets patched in the binary by the
1152script that sets up a copy of Exim for running in the test harness. It seems
1153that compilers are now clever, and share constant strings if they can.
1154Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1155make use of the end of this string in order to save space. So the patching then
1156wrecks this. We defeat this optimization by adding some additional characters
1157onto the end of the string. */
1158
1159uschar *running_status = US">>>running<<<" "\0EXTRA";
1160
1161int runrc = 0;
1162
1163uschar *search_error_message = NULL;
1164BOOL search_find_defer = FALSE;
1165uschar *self_hostname = NULL;
1166uschar *sender_address = NULL;
1167unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1168uschar *sender_address_data = NULL;
1169BOOL sender_address_forced = FALSE;
1170uschar *sender_address_unrewritten = NULL;
1171uschar *sender_data = NULL;
1172unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1173uschar *sender_fullhost = NULL;
1174uschar *sender_helo_name = NULL;
1175uschar **sender_host_aliases = &no_aliases;
1176uschar *sender_host_address = NULL;
1177uschar *sender_host_authenticated = NULL;
1178unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1179BOOL sender_host_dnssec = FALSE;
1180uschar *sender_host_name = NULL;
1181int sender_host_port = 0;
1182BOOL sender_host_notsocket = FALSE;
1183BOOL sender_host_unknown = FALSE;
1184uschar *sender_ident = NULL;
1185BOOL sender_local = FALSE;
1186BOOL sender_name_forced = FALSE;
1187uschar *sender_rate = NULL;
1188uschar *sender_rate_limit = NULL;
1189uschar *sender_rate_period = NULL;
1190uschar *sender_rcvhost = NULL;
1191BOOL sender_set_untrusted = FALSE;
1192uschar *sender_unqualified_hosts = NULL;
1193uschar *sender_verify_failure = NULL;
1194address_item *sender_verified_list = NULL;
1195address_item *sender_verified_failed = NULL;
1196int sender_verified_rc = -1;
1197BOOL sender_verified_responded = FALSE;
1198uschar *sending_ip_address = NULL;
1199int sending_port = -1;
1200SIGNAL_BOOL sigalrm_seen = FALSE;
1201uschar **sighup_argv = NULL;
1202int smtp_accept_count = 0;
1203BOOL smtp_accept_keepalive = TRUE;
1204int smtp_accept_max = 20;
1205int smtp_accept_max_nonmail= 10;
1206uschar *smtp_accept_max_nonmail_hosts = US"*";
1207int smtp_accept_max_per_connection = 1000;
1208uschar *smtp_accept_max_per_host = NULL;
1209int smtp_accept_queue = 0;
1210int smtp_accept_queue_per_connection = 10;
1211int smtp_accept_reserve = 0;
1212uschar *smtp_active_hostname = NULL;
1213BOOL smtp_authenticated = FALSE;
1214uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1215 "Exim $version_number $tod_full"
1216 "\0<---------------Space to patch smtp_banner->";
1217BOOL smtp_batched_input = FALSE;
1218BOOL smtp_check_spool_space = TRUE;
1219int smtp_ch_index = 0;
1220uschar *smtp_cmd_argument = NULL;
1221uschar *smtp_cmd_buffer = NULL;
1222time_t smtp_connection_start = 0;
1223uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1224int smtp_connect_backlog = 20;
1225double smtp_delay_mail = 0.0;
1226double smtp_delay_rcpt = 0.0;
1227BOOL smtp_enforce_sync = TRUE;
1228FILE *smtp_in = NULL;
1229BOOL smtp_input = FALSE;
1230int smtp_load_reserve = -1;
1231int smtp_mailcmd_count = 0;
1232FILE *smtp_out = NULL;
1233uschar *smtp_etrn_command = NULL;
1234BOOL smtp_etrn_serialize = TRUE;
1235int smtp_max_synprot_errors= 3;
1236int smtp_max_unknown_commands = 3;
1237uschar *smtp_notquit_reason = NULL;
1238uschar *smtp_ratelimit_hosts = NULL;
1239uschar *smtp_ratelimit_mail = NULL;
1240uschar *smtp_ratelimit_rcpt = NULL;
1241uschar *smtp_read_error = US"";
1242int smtp_receive_timeout = 5*60;
1243uschar *smtp_reserve_hosts = NULL;
1244BOOL smtp_return_error_details = FALSE;
1245int smtp_rlm_base = 0;
1246double smtp_rlm_factor = 0.0;
1247int smtp_rlm_limit = 0;
1248int smtp_rlm_threshold = INT_MAX;
1249int smtp_rlr_base = 0;
1250double smtp_rlr_factor = 0.0;
1251int smtp_rlr_limit = 0;
1252int smtp_rlr_threshold = INT_MAX;
1253BOOL smtp_use_pipelining = FALSE;
1254BOOL smtp_use_size = FALSE;
1255
1256#ifdef WITH_CONTENT_SCAN
1257uschar *spamd_address = US"127.0.0.1 783";
1258uschar *spam_bar = NULL;
1259uschar *spam_report = NULL;
1260uschar *spam_score = NULL;
1261uschar *spam_score_int = NULL;
1262#endif
1263#ifdef EXPERIMENTAL_SPF
1264uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1265uschar *spf_header_comment = NULL;
1266uschar *spf_received = NULL;
1267uschar *spf_result = NULL;
1268uschar *spf_smtp_comment = NULL;
1269#endif
1270
1271BOOL split_spool_directory = FALSE;
1272uschar *spool_directory = US SPOOL_DIRECTORY
1273 "\0<--------------Space to patch spool_directory->";
1274#ifdef EXPERIMENTAL_SRS
1275uschar *srs_config = NULL;
1276uschar *srs_db_address = NULL;
1277uschar *srs_db_key = NULL;
1278int srs_hashlength = 6;
1279int srs_hashmin = -1;
1280int srs_maxage = 31;
1281uschar *srs_orig_recipient = NULL;
1282uschar *srs_orig_sender = NULL;
1283uschar *srs_recipient = NULL;
1284uschar *srs_secrets = NULL;
1285uschar *srs_status = NULL;
1286BOOL srs_usehash = TRUE;
1287BOOL srs_usetimestamp = TRUE;
1288#endif
1289BOOL strict_acl_vars = FALSE;
1290int string_datestamp_offset= -1;
1291int string_datestamp_length= 0;
1292int string_datestamp_type = -1;
1293BOOL strip_excess_angle_brackets = FALSE;
1294BOOL strip_trailing_dot = FALSE;
1295uschar *submission_domain = NULL;
1296BOOL submission_mode = FALSE;
1297uschar *submission_name = NULL;
1298BOOL suppress_local_fixups = FALSE;
1299BOOL suppress_local_fixups_default = FALSE;
1300BOOL synchronous_delivery = FALSE;
1301BOOL syslog_duplication = TRUE;
1302int syslog_facility = LOG_MAIL;
1303uschar *syslog_processname = US"exim";
1304BOOL syslog_timestamp = TRUE;
1305uschar *system_filter = NULL;
1306
1307uschar *system_filter_directory_transport = NULL;
1308uschar *system_filter_file_transport = NULL;
1309uschar *system_filter_pipe_transport = NULL;
1310uschar *system_filter_reply_transport = NULL;
1311
1312gid_t system_filter_gid = 0;
1313BOOL system_filter_gid_set = FALSE;
1314uid_t system_filter_uid = (uid_t)-1;
1315BOOL system_filter_uid_set = FALSE;
1316BOOL system_filtering = FALSE;
1317
1318BOOL tcp_nodelay = TRUE;
1319#ifdef USE_TCP_WRAPPERS
1320uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1321#endif
1322int test_harness_load_avg = 0;
1323int thismessage_size_limit = 0;
1324int timeout_frozen_after = 0;
1325BOOL timestamps_utc = FALSE;
1326
1327#ifdef EXPERIMENTAL_TPDA
1328int tpda_defer_errno = 0;
1329uschar *tpda_defer_errstr = NULL;
1330uschar *tpda_delivery_ip = NULL;
1331int tpda_delivery_port = 0;
1332uschar *tpda_delivery_fqdn = NULL;
1333uschar *tpda_delivery_local_part= NULL;
1334uschar *tpda_delivery_domain = NULL;
1335uschar *tpda_delivery_confirmation = NULL;
1336#endif
1337
1338transport_instance *transports = NULL;
1339
1340transport_instance transport_defaults = {
1341 NULL, /* chain pointer */
1342 NULL, /* name */
1343 NULL, /* info */
1344 NULL, /* private options block pointer */
1345 NULL, /* driver name */
1346 NULL, /* setup entry point */
1347 1, /* batch_max */
1348 NULL, /* batch_id */
1349 NULL, /* home_dir */
1350 NULL, /* current_dir */
1351 TRUE, /* multi-domain */
1352 FALSE, /* overrides_hosts */
1353 100, /* max_addresses */
1354 500, /* connection_max_messages */
1355 FALSE, /* deliver_as_creator */
1356 FALSE, /* disable_logging */
1357 FALSE, /* initgroups */
1358 FALSE, /* uid_set */
1359 FALSE, /* gid_set */
1360 (uid_t)(-1), /* uid */
1361 (gid_t)(-1), /* gid */
1362 NULL, /* expand_uid */
1363 NULL, /* expand_gid */
1364 NULL, /* warn_message */
1365 NULL, /* shadow */
1366 NULL, /* shadow_condition */
1367 NULL, /* filter_command */
1368 NULL, /* add_headers */
1369 NULL, /* remove_headers */
1370 NULL, /* return_path */
1371 NULL, /* debug_string */
1372 NULL, /* message_size_limit */
1373 NULL, /* headers_rewrite */
1374 NULL, /* rewrite_rules */
1375 0, /* rewrite_existflags */
1376 300, /* filter_timeout */
1377 FALSE, /* body_only */
1378 FALSE, /* delivery_date_add */
1379 FALSE, /* envelope_to_add */
1380 FALSE, /* headers_only */
1381 FALSE, /* rcpt_include_affixes */
1382 FALSE, /* return_path_add */
1383 FALSE, /* return_output */
1384 FALSE, /* return_fail_output */
1385 FALSE, /* log_output */
1386 FALSE, /* log_fail_output */
1387 FALSE, /* log_defer_output */
1388 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1389 1 nor 0 so can detect unset */
1390#ifdef EXPERIMENTAL_TPDA
1391 ,NULL /* tpda_delivery_action */
1392#endif
1393};
1394
1395int transport_count;
1396uschar *transport_name = NULL;
1397int transport_newlines;
1398uschar **transport_filter_argv = NULL;
1399int transport_filter_timeout;
1400BOOL transport_filter_timed_out = FALSE;
1401int transport_write_timeout= 0;
1402
1403tree_node *tree_dns_fails = NULL;
1404tree_node *tree_duplicates = NULL;
1405tree_node *tree_nonrecipients = NULL;
1406tree_node *tree_unusable = NULL;
1407
1408BOOL trusted_caller = FALSE;
1409BOOL trusted_config = TRUE;
1410gid_t *trusted_groups = NULL;
1411uid_t *trusted_users = NULL;
1412uschar *timezone_string = US TIMEZONE_DEFAULT;
1413
1414uschar *unknown_login = NULL;
1415uschar *unknown_username = NULL;
1416uschar *untrusted_set_sender = NULL;
1417
1418/* A regex for matching a "From_" line in an incoming message, in the form
1419
1420 From ph10 Fri Jan 5 12:35 GMT 1996
1421
1422which the "mail" commands send to the MTA (undocumented, of course), or in
1423the form
1424
1425 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1426
1427which is apparently used by some UUCPs, despite it not being in RFC 976.
1428Because of variations in time formats, just match up to the minutes. That
1429should be sufficient. Examples have been seen of time fields like 12:1:03,
1430so just require one digit for hours and minutes. The weekday is also absent
1431in some forms. */
1432
1433uschar *uucp_from_pattern = US
1434 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1435 "(?:" /* Non-extracting bracket */
1436 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1437 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1438 ")" /* End alternation */
1439 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1440
1441uschar *uucp_from_sender = US"$1";
1442
1443uschar *warn_message_file = NULL;
1444uschar *warnmsg_delay = NULL;
1445uschar *warnmsg_recipients = NULL;
1446BOOL write_rejectlog = TRUE;
1447
1448uschar *version_copyright =
1449 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1450 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1451uschar *version_date = US"?";
1452uschar *version_cnumber = US"????";
1453uschar *version_string = US"?";
1454
1455int warning_count = 0;
1456
1457/* End of globals.c */
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