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