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Provide better sprintf debug output for callers
[exim.git] / src / src / globals.c
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
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist 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
38 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
39
40 /* An empty host aliases list. */
41
42 uschar *no_aliases = NULL;
43
44
45 /* For comments on these variables, see globals.h. I'm too idle to
46 duplicate them here... */
47
48 #ifdef EXIM_PERL
49 uschar *opt_perl_startup = NULL;
50 BOOL opt_perl_at_start = FALSE;
51 BOOL opt_perl_started = FALSE;
52 #endif
53
54 #ifdef EXPAND_DLFUNC
55 tree_node *dlobj_anchor = NULL;
56 #endif
57
58 #ifdef LOOKUP_IBASE
59 uschar *ibase_servers = NULL;
60 #endif
61
62 #ifdef LOOKUP_LDAP
63 uschar *eldap_ca_cert_dir = NULL;
64 uschar *eldap_ca_cert_file = NULL;
65 uschar *eldap_cert_file = NULL;
66 uschar *eldap_cert_key = NULL;
67 uschar *eldap_cipher_suite = NULL;
68 uschar *eldap_default_servers = NULL;
69 uschar *eldap_require_cert = NULL;
70 int eldap_version = -1;
71 BOOL eldap_start_tls = FALSE;
72 #endif
73
74 #ifdef LOOKUP_MYSQL
75 uschar *mysql_servers = NULL;
76 #endif
77
78 #ifdef LOOKUP_ORACLE
79 uschar *oracle_servers = NULL;
80 #endif
81
82 #ifdef LOOKUP_PGSQL
83 uschar *pgsql_servers = NULL;
84 #endif
85
86 #ifdef EXPERIMENTAL_REDIS
87 uschar *redis_servers = NULL;
88 #endif
89
90 #ifdef LOOKUP_SQLITE
91 int sqlite_lock_timeout = 5;
92 #endif
93
94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95 BOOL move_frozen_messages = FALSE;
96 #endif
97
98 /* These variables are outside the #ifdef because it keeps the code less
99 cluttered in several places (e.g. during logging) if we can always refer to
100 them. Also, the tls_ variables are now always visible. */
101
102 tls_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 };
115 tls_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
130 #ifdef SUPPORT_TLS
131 BOOL gnutls_compat_mode = FALSE;
132 BOOL gnutls_allow_auto_pkcs11 = FALSE;
133 uschar *gnutls_require_mac = NULL;
134 uschar *gnutls_require_kx = NULL;
135 uschar *gnutls_require_proto = NULL;
136 uschar *openssl_options = NULL;
137 const pcre *regex_STARTTLS = NULL;
138 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
139 uschar *tls_certificate = NULL;
140 uschar *tls_crl = NULL;
141 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
142 that's the interop problem which has been observed: GnuTLS suggesting a higher
143 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
144 int tls_dh_max_bits = 2236;
145 uschar *tls_dhparam = NULL;
146 #if defined(EXPERIMENTAL_OCSP)
147 uschar *tls_ocsp_file = NULL;
148 #endif
149 BOOL tls_offered = FALSE;
150 uschar *tls_privatekey = NULL;
151 BOOL tls_remember_esmtp = FALSE;
152 uschar *tls_require_ciphers = NULL;
153 uschar *tls_try_verify_hosts = NULL;
154 uschar *tls_verify_certificates= NULL;
155 uschar *tls_verify_hosts = NULL;
156 #endif
157
158 #ifdef EXPERIMENTAL_PRDR
159 /* Per Recipient Data Response variables */
160 BOOL prdr_enable = FALSE;
161 BOOL prdr_requested = FALSE;
162 const pcre *regex_PRDR = NULL;
163 #endif
164
165 /* Input-reading functions for messages, so we can use special ones for
166 incoming TCP/IP. The defaults use stdin. We never need these for any
167 stand-alone tests. */
168
169 #ifndef STAND_ALONE
170 int (*receive_getc)(void) = stdin_getc;
171 int (*receive_ungetc)(int) = stdin_ungetc;
172 int (*receive_feof)(void) = stdin_feof;
173 int (*receive_ferror)(void) = stdin_ferror;
174 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
175 #endif
176
177
178 /* List of per-address expansion variables for clearing and saving/restoring
179 when verifying one address while routing/verifying another. We have to have
180 the size explicit, because it is referenced from more than one module. */
181
182 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
183 &deliver_address_data,
184 &deliver_domain,
185 &deliver_domain_data,
186 &deliver_domain_orig,
187 &deliver_domain_parent,
188 &deliver_localpart,
189 &deliver_localpart_data,
190 &deliver_localpart_orig,
191 &deliver_localpart_parent,
192 &deliver_localpart_prefix,
193 &deliver_localpart_suffix,
194 (uschar **)(&deliver_recipients),
195 &deliver_host,
196 &deliver_home,
197 &address_file,
198 &address_pipe,
199 &self_hostname,
200 NULL };
201
202 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
203
204 /* General global variables */
205
206 header_line *acl_added_headers = NULL;
207 tree_node *acl_anchor = NULL;
208 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
209 NULL, NULL, NULL, NULL};
210 int acl_narg = 0;
211
212 uschar *acl_not_smtp = NULL;
213 #ifdef WITH_CONTENT_SCAN
214 uschar *acl_not_smtp_mime = NULL;
215 #endif
216 uschar *acl_not_smtp_start = NULL;
217 uschar *acl_removed_headers = NULL;
218 uschar *acl_smtp_auth = NULL;
219 uschar *acl_smtp_connect = NULL;
220 uschar *acl_smtp_data = NULL;
221 #ifdef EXPERIMENTAL_PRDR
222 uschar *acl_smtp_data_prdr = NULL;
223 #endif
224 #ifndef DISABLE_DKIM
225 uschar *acl_smtp_dkim = NULL;
226 #endif
227 uschar *acl_smtp_etrn = NULL;
228 uschar *acl_smtp_expn = NULL;
229 uschar *acl_smtp_helo = NULL;
230 uschar *acl_smtp_mail = NULL;
231 uschar *acl_smtp_mailauth = NULL;
232 #ifdef WITH_CONTENT_SCAN
233 uschar *acl_smtp_mime = NULL;
234 #endif
235 uschar *acl_smtp_notquit = NULL;
236 uschar *acl_smtp_predata = NULL;
237 uschar *acl_smtp_quit = NULL;
238 uschar *acl_smtp_rcpt = NULL;
239 uschar *acl_smtp_starttls = NULL;
240 uschar *acl_smtp_vrfy = NULL;
241
242 BOOL acl_temp_details = FALSE;
243 tree_node *acl_var_c = NULL;
244 tree_node *acl_var_m = NULL;
245 uschar *acl_verify_message = NULL;
246 string_item *acl_warn_logged = NULL;
247
248 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
249 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
250
251 uschar *acl_wherenames[] = { US"RCPT",
252 US"MAIL",
253 US"PREDATA",
254 US"MIME",
255 US"DKIM",
256 US"DATA",
257 #ifdef EXPERIMENTAL_PRDR
258 US"PRDR",
259 #endif
260 US"non-SMTP",
261 US"AUTH",
262 US"connection",
263 US"ETRN",
264 US"EXPN",
265 US"EHLO or HELO",
266 US"MAILAUTH",
267 US"non-SMTP-start",
268 US"NOTQUIT",
269 US"QUIT",
270 US"STARTTLS",
271 US"VRFY",
272 US"delivery",
273 US"unknown"
274 };
275
276 uschar *acl_wherecodes[] = { US"550", /* RCPT */
277 US"550", /* MAIL */
278 US"550", /* PREDATA */
279 US"550", /* MIME */
280 US"550", /* DKIM */
281 US"550", /* DATA */
282 #ifdef EXPERIMENTAL_PRDR
283 US"550", /* RCPT PRDR */
284 #endif
285 US"0", /* not SMTP; not relevant */
286 US"503", /* AUTH */
287 US"550", /* connect */
288 US"458", /* ETRN */
289 US"550", /* EXPN */
290 US"550", /* HELO/EHLO */
291 US"0", /* MAILAUTH; not relevant */
292 US"0", /* not SMTP; not relevant */
293 US"0", /* NOTQUIT; not relevant */
294 US"0", /* QUIT; not relevant */
295 US"550", /* STARTTLS */
296 US"252", /* VRFY */
297 US"0", /* delivery; not relevant */
298 US"0" /* unknown; not relevant */
299 };
300
301 BOOL active_local_from_check = FALSE;
302 BOOL active_local_sender_retain = FALSE;
303 int body_8bitmime = 0;
304 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
305 address_item *addr_duplicate = NULL;
306
307 address_item address_defaults = {
308 NULL, /* next */
309 NULL, /* parent */
310 NULL, /* first */
311 NULL, /* dupof */
312 NULL, /* start_router */
313 NULL, /* router */
314 NULL, /* transport */
315 NULL, /* host_list */
316 NULL, /* host_used */
317 NULL, /* fallback_hosts */
318 NULL, /* reply */
319 NULL, /* retries */
320 NULL, /* address */
321 NULL, /* unique */
322 NULL, /* cc_local_part */
323 NULL, /* lc_local_part */
324 NULL, /* local_part */
325 NULL, /* prefix */
326 NULL, /* suffix */
327 NULL, /* domain */
328 NULL, /* address_retry_key */
329 NULL, /* domain_retry_key */
330 NULL, /* current_dir */
331 NULL, /* home_dir */
332 NULL, /* message */
333 NULL, /* user_message */
334 NULL, /* onetime_parent */
335 NULL, /* pipe_expandn */
336 NULL, /* return_filename */
337 NULL, /* self_hostname */
338 NULL, /* shadow_message */
339 #ifdef SUPPORT_TLS
340 NULL, /* cipher */
341 NULL, /* ourcert */
342 NULL, /* peercert */
343 NULL, /* peerdn */
344 #endif
345 NULL, /* authenticator */
346 NULL, /* auth_id */
347 NULL, /* auth_sndr */
348 (uid_t)(-1), /* uid */
349 (gid_t)(-1), /* gid */
350 0, /* flags */
351 { 0 }, /* domain_cache - any larger array should be zeroed */
352 { 0 }, /* localpart_cache - ditto */
353 -1, /* mode */
354 0, /* more_errno */
355 ERRNO_UNKNOWNERROR, /* basic_errno */
356 0, /* child_count */
357 -1, /* return_file */
358 SPECIAL_NONE, /* special_action */
359 DEFER, /* transport_return */
360 { /* fields that are propagated to children */
361 NULL, /* address_data */
362 NULL, /* domain_data */
363 NULL, /* localpart_data */
364 NULL, /* errors_address */
365 NULL, /* extra_headers */
366 NULL, /* remove_headers */
367 #ifdef EXPERIMENTAL_SRS
368 NULL, /* srs_sender */
369 #endif
370 }
371 };
372
373 uschar *address_file = NULL;
374 uschar *address_pipe = NULL;
375 BOOL address_test_mode = FALSE;
376 tree_node *addresslist_anchor = NULL;
377 int addresslist_count = 0;
378 gid_t *admin_groups = NULL;
379 BOOL admin_user = FALSE;
380 BOOL allow_auth_unadvertised= FALSE;
381 BOOL allow_domain_literals = FALSE;
382 BOOL allow_mx_to_ip = FALSE;
383 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
384 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
385 BOOL allow_utf8_domains = FALSE;
386 uschar *authenticated_fail_id = NULL;
387 uschar *authenticated_id = NULL;
388 uschar *authenticated_sender = NULL;
389 BOOL authentication_failed = FALSE;
390 auth_instance *auths = NULL;
391 uschar *auth_advertise_hosts = US"*";
392 auth_instance auth_defaults = {
393 NULL, /* chain pointer */
394 NULL, /* name */
395 NULL, /* info */
396 NULL, /* private options block pointer */
397 NULL, /* driver_name */
398 NULL, /* advertise_condition */
399 NULL, /* client_condition */
400 NULL, /* public_name */
401 NULL, /* set_id */
402 NULL, /* set_client_id */
403 NULL, /* server_mail_auth_condition */
404 NULL, /* server_debug_string */
405 NULL, /* server_condition */
406 FALSE, /* client */
407 FALSE, /* server */
408 FALSE /* advertised */
409 };
410
411 uschar *auth_defer_msg = US"reason not recorded";
412 uschar *auth_defer_user_msg = US"";
413 uschar *auth_vars[AUTH_VARS];
414 int auto_thaw = 0;
415 #ifdef WITH_CONTENT_SCAN
416 BOOL av_failed = FALSE;
417 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
418 #endif
419
420 BOOL background_daemon = TRUE;
421
422 #if BASE_62 == 62
423 uschar *base62_chars=
424 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
425 #else
426 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
427 #endif
428
429 uschar *bi_command = NULL;
430 uschar *big_buffer = NULL;
431 int big_buffer_size = BIG_BUFFER_SIZE;
432 #ifdef EXPERIMENTAL_BRIGHTMAIL
433 uschar *bmi_alt_location = NULL;
434 uschar *bmi_base64_tracker_verdict = NULL;
435 uschar *bmi_base64_verdict = NULL;
436 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
437 int bmi_deliver = 1;
438 int bmi_run = 0;
439 uschar *bmi_verdicts = NULL;
440 #endif
441 int body_linecount = 0;
442 int body_zerocount = 0;
443 uschar *bounce_message_file = NULL;
444 uschar *bounce_message_text = NULL;
445 uschar *bounce_recipient = NULL;
446 BOOL bounce_return_body = TRUE;
447 BOOL bounce_return_message = TRUE;
448 int bounce_return_size_limit = 100*1024;
449 uschar *bounce_sender_authentication = NULL;
450 int bsmtp_transaction_linecount = 0;
451
452 int callout_cache_domain_positive_expire = 7*24*60*60;
453 int callout_cache_domain_negative_expire = 3*60*60;
454 int callout_cache_positive_expire = 24*60*60;
455 int callout_cache_negative_expire = 2*60*60;
456 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
457 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
458 int check_log_inodes = 0;
459 int check_log_space = 0;
460 BOOL check_rfc2047_length = TRUE;
461 int check_spool_inodes = 0;
462 int check_spool_space = 0;
463 uschar *client_authenticator = NULL;
464 uschar *client_authenticated_id = NULL;
465 uschar *client_authenticated_sender = NULL;
466 int clmacro_count = 0;
467 uschar *clmacros[MAX_CLMACROS];
468 BOOL config_changed = FALSE;
469 FILE *config_file = NULL;
470 uschar *config_filename = NULL;
471 int config_lineno = 0;
472 #ifdef CONFIGURE_GROUP
473 gid_t config_gid = CONFIGURE_GROUP;
474 #endif
475 uschar *config_main_filelist = US CONFIGURE_FILE
476 "\0<-----------Space to patch configure_filename->";
477 uschar *config_main_filename = NULL;
478
479 #ifdef CONFIGURE_OWNER
480 uid_t config_uid = CONFIGURE_OWNER;
481 #endif
482
483 int connection_max_messages= -1;
484 uschar *continue_hostname = NULL;
485 uschar *continue_host_address = NULL;
486 BOOL continue_more = FALSE;
487 int continue_sequence = 1;
488 uschar *continue_transport = NULL;
489
490 uschar *csa_status = NULL;
491 BOOL cutthrough_delivery = FALSE;
492 int cutthrough_fd = -1;
493
494 BOOL daemon_listen = FALSE;
495 uschar *daemon_smtp_port = US"smtp";
496 int daemon_startup_retries = 9;
497 int daemon_startup_sleep = 30;
498
499 #ifdef EXPERIMENTAL_DCC
500 BOOL dcc_direct_add_header = FALSE;
501 uschar *dcc_header = NULL;
502 uschar *dcc_result = NULL;
503 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
504 uschar *dccifd_options = US"header";
505 #endif
506
507 BOOL debug_daemon = FALSE;
508 int debug_fd = -1;
509 FILE *debug_file = NULL;
510 bit_table debug_options[] = {
511 { US"acl", D_acl },
512 { US"all", D_all },
513 { US"auth", D_auth },
514 { US"deliver", D_deliver },
515 { US"dns", D_dns },
516 { US"dnsbl", D_dnsbl },
517 { US"exec", D_exec },
518 { US"expand", D_expand },
519 { US"filter", D_filter },
520 { US"hints_lookup", D_hints_lookup },
521 { US"host_lookup", D_host_lookup },
522 { US"ident", D_ident },
523 { US"interface", D_interface },
524 { US"lists", D_lists },
525 { US"load", D_load },
526 { US"local_scan", D_local_scan },
527 { US"lookup", D_lookup },
528 { US"memory", D_memory },
529 { US"pid", D_pid },
530 { US"process_info", D_process_info },
531 { US"queue_run", D_queue_run },
532 { US"receive", D_receive },
533 { US"resolver", D_resolver },
534 { US"retry", D_retry },
535 { US"rewrite", D_rewrite },
536 { US"route", D_route },
537 { US"timestamp", D_timestamp },
538 { US"tls", D_tls },
539 { US"transport", D_transport },
540 { US"uid", D_uid },
541 { US"verify", D_verify }
542 };
543 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
544 unsigned int debug_selector = 0;
545 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
546 uschar *delay_warning_condition=
547 US"${if or {"
548 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
549 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
550 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
551 "} {no}{yes}}";
552 BOOL delivery_date_remove = TRUE;
553 uschar *deliver_address_data = NULL;
554 int deliver_datafile = -1;
555 uschar *deliver_domain = NULL;
556 uschar *deliver_domain_data = NULL;
557 uschar *deliver_domain_orig = NULL;
558 uschar *deliver_domain_parent = NULL;
559 BOOL deliver_drop_privilege = FALSE;
560 BOOL deliver_firsttime = FALSE;
561 BOOL deliver_force = FALSE;
562 BOOL deliver_freeze = FALSE;
563 int deliver_frozen_at = 0;
564 uschar *deliver_home = NULL;
565 uschar *deliver_host = NULL;
566 uschar *deliver_host_address = NULL;
567 uschar *deliver_in_buffer = NULL;
568 ino_t deliver_inode = 0;
569 uschar *deliver_localpart = NULL;
570 uschar *deliver_localpart_data = NULL;
571 uschar *deliver_localpart_orig = NULL;
572 uschar *deliver_localpart_parent = NULL;
573 uschar *deliver_localpart_prefix = NULL;
574 uschar *deliver_localpart_suffix = NULL;
575 BOOL deliver_force_thaw = FALSE;
576 BOOL deliver_manual_thaw = FALSE;
577 uschar *deliver_out_buffer = NULL;
578 int deliver_queue_load_max = -1;
579 address_item *deliver_recipients = NULL;
580 uschar *deliver_selectstring = NULL;
581 BOOL deliver_selectstring_regex = FALSE;
582 uschar *deliver_selectstring_sender = NULL;
583 BOOL deliver_selectstring_sender_regex = FALSE;
584 #ifdef WITH_OLD_DEMIME
585 int demime_errorlevel = 0;
586 int demime_ok = 0;
587 uschar *demime_reason = NULL;
588 #endif
589 BOOL disable_callout_flush = FALSE;
590 BOOL disable_delay_flush = FALSE;
591 #ifdef ENABLE_DISABLE_FSYNC
592 BOOL disable_fsync = FALSE;
593 #endif
594 BOOL disable_ipv6 = FALSE;
595 BOOL disable_logging = FALSE;
596
597 #ifndef DISABLE_DKIM
598 uschar *dkim_cur_signer = NULL;
599 uschar *dkim_signers = NULL;
600 uschar *dkim_signing_domain = NULL;
601 uschar *dkim_signing_selector = NULL;
602 uschar *dkim_verify_signers = US"$dkim_signers";
603 BOOL dkim_collect_input = FALSE;
604 BOOL dkim_disable_verify = FALSE;
605 #endif
606 #ifdef EXPERIMENTAL_DMARC
607 BOOL dmarc_has_been_checked = FALSE;
608 uschar *dmarc_ar_header = NULL;
609 uschar *dmarc_domain_policy = NULL;
610 uschar *dmarc_forensic_sender = NULL;
611 uschar *dmarc_history_file = NULL;
612 uschar *dmarc_status = NULL;
613 uschar *dmarc_status_text = NULL;
614 uschar *dmarc_tld_file = NULL;
615 uschar *dmarc_used_domain = NULL;
616 BOOL dmarc_disable_verify = FALSE;
617 BOOL dmarc_enable_forensic = FALSE;
618 #endif
619
620 uschar *dns_again_means_nonexist = NULL;
621 int dns_csa_search_limit = 5;
622 BOOL dns_csa_use_reverse = TRUE;
623 uschar *dns_ipv4_lookup = NULL;
624 int dns_retrans = 0;
625 int dns_retry = 0;
626 int dns_dnssec_ok = -1; /* <0 = not coerced */
627 int dns_use_edns0 = -1; /* <0 = not coerced */
628 uschar *dnslist_domain = NULL;
629 uschar *dnslist_matched = NULL;
630 uschar *dnslist_text = NULL;
631 uschar *dnslist_value = NULL;
632 tree_node *domainlist_anchor = NULL;
633 int domainlist_count = 0;
634 BOOL dont_deliver = FALSE;
635 BOOL dot_ends = TRUE;
636 BOOL drop_cr = FALSE; /* No longer used */
637 uschar *dsn_from = US DEFAULT_DSN_FROM;
638
639 BOOL enable_dollar_recipients = FALSE;
640 BOOL envelope_to_remove = TRUE;
641 int errno_quota = ERRNO_QUOTA;
642 uschar *errors_copy = NULL;
643 int error_handling = ERRORS_SENDER;
644 uschar *errors_reply_to = NULL;
645 int errors_sender_rc = EXIT_FAILURE;
646
647 gid_t exim_gid = EXIM_GID;
648 BOOL exim_gid_set = TRUE; /* This gid is always set */
649 uschar *exim_path = US BIN_DIRECTORY "/exim"
650 "\0<---------------Space to patch exim_path->";
651 uid_t exim_uid = EXIM_UID;
652 BOOL exim_uid_set = TRUE; /* This uid is always set */
653 int expand_forbid = 0;
654 int expand_nlength[EXPAND_MAXN+1];
655 int expand_nmax = -1;
656 uschar *expand_nstring[EXPAND_MAXN+1];
657 BOOL expand_string_forcedfail = FALSE;
658 uschar *expand_string_message;
659 BOOL extract_addresses_remove_arguments = TRUE;
660 uschar *extra_local_interfaces = NULL;
661
662 int fake_response = OK;
663 uschar *fake_response_text = US"Your message has been rejected but is "
664 "being kept for evaluation.\nIf it was a "
665 "legitimate message, it may still be "
666 "delivered to the target recipient(s).";
667 int filter_n[FILTER_VARIABLE_COUNT];
668 BOOL filter_running = FALSE;
669 int filter_sn[FILTER_VARIABLE_COUNT];
670 int filter_test = FTEST_NONE;
671 uschar *filter_test_sfile = NULL;
672 uschar *filter_test_ufile = NULL;
673 uschar *filter_thisaddress = NULL;
674 int finduser_retries = 0;
675 #ifdef WITH_OLD_DEMIME
676 uschar *found_extension = NULL;
677 #endif
678 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
679 uschar *freeze_tell = NULL;
680 uschar *freeze_tell_config = NULL;
681 uschar *fudged_queue_times = US"";
682
683 uschar *gecos_name = NULL;
684 uschar *gecos_pattern = NULL;
685 rewrite_rule *global_rewrite_rules = NULL;
686
687 uschar *headers_charset = US HEADERS_CHARSET;
688 int header_insert_maxlen = 64 * 1024;
689 header_line *header_last = NULL;
690 header_line *header_list = NULL;
691 int header_maxsize = HEADER_MAXSIZE;
692 int header_line_maxsize = 0;
693
694 header_name header_names[] = {
695 { US"bcc", 3, TRUE, htype_bcc },
696 { US"cc", 2, TRUE, htype_cc },
697 { US"date", 4, TRUE, htype_date },
698 { US"delivery-date", 13, FALSE, htype_delivery_date },
699 { US"envelope-to", 11, FALSE, htype_envelope_to },
700 { US"from", 4, TRUE, htype_from },
701 { US"message-id", 10, TRUE, htype_id },
702 { US"received", 8, FALSE, htype_received },
703 { US"reply-to", 8, FALSE, htype_reply_to },
704 { US"return-path", 11, FALSE, htype_return_path },
705 { US"sender", 6, TRUE, htype_sender },
706 { US"subject", 7, FALSE, htype_subject },
707 { US"to", 2, TRUE, htype_to }
708 };
709
710 int header_names_size = sizeof(header_names)/sizeof(header_name);
711
712 BOOL header_rewritten = FALSE;
713 uschar *helo_accept_junk_hosts = NULL;
714 uschar *helo_allow_chars = US"";
715 uschar *helo_lookup_domains = US"@ : @[]";
716 uschar *helo_try_verify_hosts = NULL;
717 BOOL helo_verified = FALSE;
718 BOOL helo_verify_failed = FALSE;
719 uschar *helo_verify_hosts = NULL;
720 const uschar *hex_digits = CUS"0123456789abcdef";
721 uschar *hold_domains = NULL;
722 BOOL host_checking = FALSE;
723 BOOL host_checking_callout = FALSE;
724 uschar *host_data = NULL;
725 BOOL host_find_failed_syntax= FALSE;
726 uschar *host_lookup = NULL;
727 BOOL host_lookup_deferred = FALSE;
728 BOOL host_lookup_failed = FALSE;
729 uschar *host_lookup_order = US"bydns:byaddr";
730 uschar *host_lookup_msg = US"";
731 int host_number = 0;
732 uschar *host_number_string = NULL;
733 uschar *host_reject_connection = NULL;
734 tree_node *hostlist_anchor = NULL;
735 int hostlist_count = 0;
736 uschar *hosts_treat_as_local = NULL;
737 uschar *hosts_connection_nolog = NULL;
738
739 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
740 BOOL ignore_fromline_local = FALSE;
741 uschar *ignore_fromline_hosts = NULL;
742 BOOL inetd_wait_mode = FALSE;
743 int inetd_wait_timeout = -1;
744 uschar *interface_address = NULL;
745 int interface_port = -1;
746 BOOL is_inetd = FALSE;
747 uschar *iterate_item = NULL;
748
749 int journal_fd = -1;
750
751 int keep_malformed = 4*24*60*60; /* 4 days */
752
753 uschar *eldap_dn = NULL;
754 int load_average = -2;
755 BOOL local_error_message = FALSE;
756 BOOL local_from_check = TRUE;
757 uschar *local_from_prefix = NULL;
758 uschar *local_from_suffix = NULL;
759
760 #if HAVE_IPV6
761 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
762 #else
763 uschar *local_interfaces = US"0.0.0.0";
764 #endif
765
766 uschar *local_scan_data = NULL;
767 int local_scan_timeout = 5*60;
768 BOOL local_sender_retain = FALSE;
769 gid_t local_user_gid = (gid_t)(-1);
770 uid_t local_user_uid = (uid_t)(-1);
771
772 tree_node *localpartlist_anchor= NULL;
773 int localpartlist_count = 0;
774 uschar *log_buffer = NULL;
775 unsigned int log_extra_selector = LX_default;
776 uschar *log_file_path = US LOG_FILE_PATH
777 "\0<--------------Space to patch log_file_path->";
778
779 /* Those log options with L_xxx identifiers have values less than 0x800000 and
780 are the ones that get put into log_write_selector. They can be used in calls to
781 log_write() to test for the bit. The options with LX_xxx identifiers have
782 values greater than 0x80000000 and are put into log_extra_selector (without the
783 top bit). They are never used in calls to log_write(), but are tested
784 independently. This separation became necessary when the number of log
785 selectors was getting close to filling a 32-bit word. */
786
787 /* Note that this list must be in alphabetical order. */
788
789 bit_table log_options[] = {
790 { US"8bitmime", LX_8bitmime },
791 { US"acl_warn_skipped", LX_acl_warn_skipped },
792 { US"address_rewrite", L_address_rewrite },
793 { US"all", L_all },
794 { US"all_parents", L_all_parents },
795 { US"arguments", LX_arguments },
796 { US"connection_reject", L_connection_reject },
797 { US"delay_delivery", L_delay_delivery },
798 { US"deliver_time", LX_deliver_time },
799 { US"delivery_size", LX_delivery_size },
800 { US"dnslist_defer", L_dnslist_defer },
801 { US"etrn", L_etrn },
802 { US"host_lookup_failed", L_host_lookup_failed },
803 { US"ident_timeout", LX_ident_timeout },
804 { US"incoming_interface", LX_incoming_interface },
805 { US"incoming_port", LX_incoming_port },
806 { US"lost_incoming_connection", L_lost_incoming_connection },
807 { US"outgoing_port", LX_outgoing_port },
808 { US"pid", LX_pid },
809 #ifdef EXPERIMENTAL_PROXY
810 { US"proxy", LX_proxy },
811 #endif
812 { US"queue_run", L_queue_run },
813 { US"queue_time", LX_queue_time },
814 { US"queue_time_overall", LX_queue_time_overall },
815 { US"received_recipients", LX_received_recipients },
816 { US"received_sender", LX_received_sender },
817 { US"rejected_header", LX_rejected_header },
818 { US"rejected_headers", LX_rejected_header },
819 { US"retry_defer", L_retry_defer },
820 { US"return_path_on_delivery", LX_return_path_on_delivery },
821 { US"sender_on_delivery", LX_sender_on_delivery },
822 { US"sender_verify_fail", LX_sender_verify_fail },
823 { US"size_reject", L_size_reject },
824 { US"skip_delivery", L_skip_delivery },
825 { US"smtp_confirmation", LX_smtp_confirmation },
826 { US"smtp_connection", L_smtp_connection },
827 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
828 { US"smtp_mailauth", LX_smtp_mailauth },
829 { US"smtp_no_mail", LX_smtp_no_mail },
830 { US"smtp_protocol_error", L_smtp_protocol_error },
831 { US"smtp_syntax_error", L_smtp_syntax_error },
832 { US"subject", LX_subject },
833 { US"tls_certificate_verified", LX_tls_certificate_verified },
834 { US"tls_cipher", LX_tls_cipher },
835 { US"tls_peerdn", LX_tls_peerdn },
836 { US"tls_sni", LX_tls_sni },
837 { US"unknown_in_list", LX_unknown_in_list }
838 };
839
840 int log_options_count = sizeof(log_options)/sizeof(bit_table);
841 int log_reject_target = 0;
842 uschar *log_selector_string = NULL;
843 FILE *log_stderr = NULL;
844 BOOL log_testing_mode = FALSE;
845 BOOL log_timezone = FALSE;
846 unsigned int log_write_selector= L_default;
847 uschar *login_sender_address = NULL;
848 uschar *lookup_dnssec_authenticated = NULL;
849 int lookup_open_max = 25;
850 uschar *lookup_value = NULL;
851
852 macro_item *macros = NULL;
853 uschar *mailstore_basename = NULL;
854 #ifdef WITH_CONTENT_SCAN
855 uschar *malware_name = NULL; /* Virus Name */
856 #endif
857 int max_received_linelength= 0;
858 int max_username_length = 0;
859 int message_age = 0;
860 uschar *message_body = NULL;
861 uschar *message_body_end = NULL;
862 BOOL message_body_newlines = FALSE;
863 int message_body_size = 0;
864 int message_body_visible = 500;
865 int message_ended = END_NOTSTARTED;
866 uschar *message_headers = NULL;
867 uschar *message_id;
868 uschar *message_id_domain = NULL;
869 uschar *message_id_text = NULL;
870 struct timeval message_id_tv = { 0, 0 };
871 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
872 uschar *message_id_external;
873 int message_linecount = 0;
874 BOOL message_logs = TRUE;
875 int message_size = 0;
876 uschar *message_size_limit = US"50M";
877 uschar message_subdir[2] = { 0, 0 };
878 uschar *message_reference = NULL;
879
880 /* MIME ACL expandables */
881 #ifdef WITH_CONTENT_SCAN
882 int mime_anomaly_level = 0;
883 const uschar *mime_anomaly_text = NULL;
884 uschar *mime_boundary = NULL;
885 uschar *mime_charset = NULL;
886 uschar *mime_content_description = NULL;
887 uschar *mime_content_disposition = NULL;
888 uschar *mime_content_id = NULL;
889 unsigned int mime_content_size = 0;
890 uschar *mime_content_transfer_encoding = NULL;
891 uschar *mime_content_type = NULL;
892 uschar *mime_decoded_filename = NULL;
893 uschar *mime_filename = NULL;
894 int mime_is_multipart = 0;
895 int mime_is_coverletter = 0;
896 int mime_is_rfc822 = 0;
897 int mime_part_count = -1;
898 #endif
899
900 BOOL mua_wrapper = FALSE;
901
902 uid_t *never_users = NULL;
903 #ifdef WITH_CONTENT_SCAN
904 BOOL no_mbox_unspool = FALSE;
905 #endif
906 BOOL no_multiline_responses = FALSE;
907
908 uid_t original_euid;
909 gid_t originator_gid;
910 uschar *originator_login = NULL;
911 uschar *originator_name = NULL;
912 uid_t originator_uid;
913 uschar *override_local_interfaces = NULL;
914 uschar *override_pid_file_path = NULL;
915
916 BOOL parse_allow_group = FALSE;
917 BOOL parse_found_group = FALSE;
918 uschar *percent_hack_domains = NULL;
919 uschar *pid_file_path = US PID_FILE_PATH
920 "\0<--------------Space to patch pid_file_path->";
921 BOOL pipelining_enable = TRUE;
922 uschar *pipelining_advertise_hosts = US"*";
923 BOOL preserve_message_logs = FALSE;
924 uschar *primary_hostname = NULL;
925 BOOL print_topbitchars = FALSE;
926 uschar process_info[PROCESS_INFO_SIZE];
927 int process_info_len = 0;
928 uschar *process_log_path = NULL;
929 BOOL prod_requires_admin = TRUE;
930
931 #ifdef EXPERIMENTAL_PROXY
932 uschar *proxy_host_address = US"";
933 int proxy_host_port = 0;
934 uschar *proxy_required_hosts = US"";
935 BOOL proxy_session = FALSE;
936 BOOL proxy_session_failed = FALSE;
937 uschar *proxy_target_address = US"";
938 int proxy_target_port = 0;
939 #endif
940
941 uschar *prvscheck_address = NULL;
942 uschar *prvscheck_keynum = NULL;
943 uschar *prvscheck_result = NULL;
944
945
946 uschar *qualify_domain_recipient = NULL;
947 uschar *qualify_domain_sender = NULL;
948 BOOL queue_2stage = FALSE;
949 uschar *queue_domains = NULL;
950 int queue_interval = -1;
951 BOOL queue_list_requires_admin = TRUE;
952 BOOL queue_only = FALSE;
953 uschar *queue_only_file = NULL;
954 int queue_only_load = -1;
955 BOOL queue_only_load_latch = TRUE;
956 BOOL queue_only_override = TRUE;
957 BOOL queue_only_policy = FALSE;
958 BOOL queue_run_first_delivery = FALSE;
959 BOOL queue_run_force = FALSE;
960 BOOL queue_run_in_order = FALSE;
961 BOOL queue_run_local = FALSE;
962 int queue_run_max = 5;
963 pid_t queue_run_pid = (pid_t)0;
964 int queue_run_pipe = -1;
965 BOOL queue_running = FALSE;
966 BOOL queue_smtp = FALSE;
967 uschar *queue_smtp_domains = NULL;
968
969 unsigned int random_seed = 0;
970 tree_node *ratelimiters_cmd = NULL;
971 tree_node *ratelimiters_conn = NULL;
972 tree_node *ratelimiters_mail = NULL;
973 uschar *raw_active_hostname = NULL;
974 uschar *raw_sender = NULL;
975 uschar **raw_recipients = NULL;
976 int raw_recipients_count = 0;
977
978 int rcpt_count = 0;
979 int rcpt_fail_count = 0;
980 int rcpt_defer_count = 0;
981 gid_t real_gid;
982 uid_t real_uid;
983 BOOL really_exim = TRUE;
984 BOOL receive_call_bombout = FALSE;
985 int receive_linecount = 0;
986 int receive_messagecount = 0;
987 int receive_timeout = 0;
988 int received_count = 0;
989 uschar *received_for = NULL;
990
991 /* This is the default text for Received headers generated by Exim. The
992 date will be automatically added on the end. */
993
994 uschar *received_header_text = US
995 "Received: "
996 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
997 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
998 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
999 "by $primary_hostname "
1000 "${if def:received_protocol {with $received_protocol}} "
1001 #ifdef SUPPORT_TLS
1002 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1003 #endif
1004 "(Exim $version_number)\n\t"
1005 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1006 "id $message_exim_id"
1007 "${if def:received_for {\n\tfor $received_for}}"
1008 "\0<---------------Space to patch received_header_text->";
1009
1010 int received_headers_max = 30;
1011 uschar *received_protocol = NULL;
1012 int received_time = 0;
1013 uschar *recipient_data = NULL;
1014 uschar *recipient_unqualified_hosts = NULL;
1015 uschar *recipient_verify_failure = NULL;
1016 int recipients_count = 0;
1017 BOOL recipients_discarded = FALSE;
1018 recipient_item *recipients_list = NULL;
1019 int recipients_list_max = 0;
1020 int recipients_max = 0;
1021 BOOL recipients_max_reject = FALSE;
1022 const pcre *regex_AUTH = NULL;
1023 const pcre *regex_check_dns_names = NULL;
1024 const pcre *regex_From = NULL;
1025 const pcre *regex_IGNOREQUOTA = NULL;
1026 const pcre *regex_PIPELINING = NULL;
1027 const pcre *regex_SIZE = NULL;
1028 const pcre *regex_smtp_code = NULL;
1029 const pcre *regex_ismsgid = NULL;
1030 #ifdef WHITELIST_D_MACROS
1031 const pcre *regex_whitelisted_macro = NULL;
1032 #endif
1033 #ifdef WITH_CONTENT_SCAN
1034 uschar *regex_match_string = NULL;
1035 #endif
1036 int remote_delivery_count = 0;
1037 int remote_max_parallel = 2;
1038 uschar *remote_sort_domains = NULL;
1039 int retry_data_expire = 7*24*60*60;
1040 int retry_interval_max = 24*60*60;
1041 int retry_maximum_timeout = 0; /* set from retry config */
1042 retry_config *retries = NULL;
1043 uschar *return_path = NULL;
1044 BOOL return_path_remove = TRUE;
1045 int rewrite_existflags = 0;
1046 uschar *rfc1413_hosts = US"*";
1047 int rfc1413_query_timeout = 5;
1048 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1049 uid_t root_gid = ROOT_GID;
1050 uid_t root_uid = ROOT_UID;
1051
1052 router_instance *routers = NULL;
1053 router_instance router_defaults = {
1054 NULL, /* chain pointer */
1055 NULL, /* name */
1056 NULL, /* info */
1057 NULL, /* private options block pointer */
1058 NULL, /* driver name */
1059
1060 NULL, /* address_data */
1061 #ifdef EXPERIMENTAL_BRIGHTMAIL
1062 NULL, /* bmi_rule */
1063 #endif
1064 NULL, /* cannot_route_message */
1065 NULL, /* condition */
1066 NULL, /* current_directory */
1067 NULL, /* debug_string */
1068 NULL, /* domains */
1069 NULL, /* errors_to */
1070 NULL, /* expand_gid */
1071 NULL, /* expand_uid */
1072 NULL, /* expand_more */
1073 NULL, /* expand_unseen */
1074 NULL, /* extra_headers */
1075 NULL, /* fallback_hosts */
1076 NULL, /* home_directory */
1077 NULL, /* ignore_target_hosts */
1078 NULL, /* local_parts */
1079 NULL, /* pass_router_name */
1080 NULL, /* prefix */
1081 NULL, /* redirect_router_name */
1082 NULL, /* remove_headers */
1083 NULL, /* require_files */
1084 NULL, /* router_home_directory */
1085 US"freeze", /* self */
1086 NULL, /* senders */
1087 NULL, /* suffix */
1088 NULL, /* translate_ip_address */
1089 NULL, /* transport_name */
1090
1091 TRUE, /* address_test */
1092 #ifdef EXPERIMENTAL_BRIGHTMAIL
1093 FALSE, /* bmi_deliver_alternate */
1094 FALSE, /* bmi_deliver_default */
1095 FALSE, /* bmi_dont_deliver */
1096 #endif
1097 TRUE, /* expn */
1098 FALSE, /* caseful_local_part */
1099 FALSE, /* check_local_user */
1100 FALSE, /* disable_logging */
1101 FALSE, /* fail_verify_recipient */
1102 FALSE, /* fail_verify_sender */
1103 FALSE, /* gid_set */
1104 FALSE, /* initgroups */
1105 TRUE_UNSET, /* log_as_local */
1106 TRUE, /* more */
1107 FALSE, /* pass_on_timeout */
1108 FALSE, /* prefix_optional */
1109 TRUE, /* repeat_use */
1110 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1111 FALSE, /* same_domain_copy_routing */
1112 FALSE, /* self_rewrite */
1113 FALSE, /* suffix_optional */
1114 FALSE, /* verify_only */
1115 TRUE, /* verify_recipient */
1116 TRUE, /* verify_sender */
1117 FALSE, /* uid_set */
1118 FALSE, /* unseen */
1119
1120 self_freeze, /* self_code */
1121 (uid_t)(-1), /* uid */
1122 (gid_t)(-1), /* gid */
1123
1124 NULL, /* fallback_hostlist */
1125 NULL, /* transport instance */
1126 NULL, /* pass_router */
1127 NULL /* redirect_router */
1128 };
1129
1130 uschar *router_name = NULL;
1131
1132 ip_address_item *running_interfaces = NULL;
1133 BOOL running_in_test_harness = FALSE;
1134
1135 /* This is a weird one. The following string gets patched in the binary by the
1136 script that sets up a copy of Exim for running in the test harness. It seems
1137 that compilers are now clever, and share constant strings if they can.
1138 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1139 make use of the end of this string in order to save space. So the patching then
1140 wrecks this. We defeat this optimization by adding some additional characters
1141 onto the end of the string. */
1142
1143 uschar *running_status = US">>>running<<<" "\0EXTRA";
1144
1145 int runrc = 0;
1146
1147 uschar *search_error_message = NULL;
1148 BOOL search_find_defer = FALSE;
1149 uschar *self_hostname = NULL;
1150 uschar *sender_address = NULL;
1151 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1152 uschar *sender_address_data = NULL;
1153 BOOL sender_address_forced = FALSE;
1154 uschar *sender_address_unrewritten = NULL;
1155 uschar *sender_data = NULL;
1156 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1157 uschar *sender_fullhost = NULL;
1158 uschar *sender_helo_name = NULL;
1159 uschar **sender_host_aliases = &no_aliases;
1160 uschar *sender_host_address = NULL;
1161 uschar *sender_host_authenticated = NULL;
1162 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1163 BOOL sender_host_dnssec = FALSE;
1164 uschar *sender_host_name = NULL;
1165 int sender_host_port = 0;
1166 BOOL sender_host_notsocket = FALSE;
1167 BOOL sender_host_unknown = FALSE;
1168 uschar *sender_ident = NULL;
1169 BOOL sender_local = FALSE;
1170 BOOL sender_name_forced = FALSE;
1171 uschar *sender_rate = NULL;
1172 uschar *sender_rate_limit = NULL;
1173 uschar *sender_rate_period = NULL;
1174 uschar *sender_rcvhost = NULL;
1175 BOOL sender_set_untrusted = FALSE;
1176 uschar *sender_unqualified_hosts = NULL;
1177 uschar *sender_verify_failure = NULL;
1178 address_item *sender_verified_list = NULL;
1179 address_item *sender_verified_failed = NULL;
1180 int sender_verified_rc = -1;
1181 BOOL sender_verified_responded = FALSE;
1182 uschar *sending_ip_address = NULL;
1183 int sending_port = -1;
1184 SIGNAL_BOOL sigalrm_seen = FALSE;
1185 uschar **sighup_argv = NULL;
1186 int smtp_accept_count = 0;
1187 BOOL smtp_accept_keepalive = TRUE;
1188 int smtp_accept_max = 20;
1189 int smtp_accept_max_nonmail= 10;
1190 uschar *smtp_accept_max_nonmail_hosts = US"*";
1191 int smtp_accept_max_per_connection = 1000;
1192 uschar *smtp_accept_max_per_host = NULL;
1193 int smtp_accept_queue = 0;
1194 int smtp_accept_queue_per_connection = 10;
1195 int smtp_accept_reserve = 0;
1196 uschar *smtp_active_hostname = NULL;
1197 BOOL smtp_authenticated = FALSE;
1198 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1199 "Exim $version_number $tod_full"
1200 "\0<---------------Space to patch smtp_banner->";
1201 BOOL smtp_batched_input = FALSE;
1202 BOOL smtp_check_spool_space = TRUE;
1203 int smtp_ch_index = 0;
1204 uschar *smtp_cmd_argument = NULL;
1205 uschar *smtp_cmd_buffer = NULL;
1206 time_t smtp_connection_start = 0;
1207 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1208 int smtp_connect_backlog = 20;
1209 double smtp_delay_mail = 0.0;
1210 double smtp_delay_rcpt = 0.0;
1211 BOOL smtp_enforce_sync = TRUE;
1212 FILE *smtp_in = NULL;
1213 BOOL smtp_input = FALSE;
1214 int smtp_load_reserve = -1;
1215 int smtp_mailcmd_count = 0;
1216 FILE *smtp_out = NULL;
1217 uschar *smtp_etrn_command = NULL;
1218 BOOL smtp_etrn_serialize = TRUE;
1219 int smtp_max_synprot_errors= 3;
1220 int smtp_max_unknown_commands = 3;
1221 uschar *smtp_notquit_reason = NULL;
1222 uschar *smtp_ratelimit_hosts = NULL;
1223 uschar *smtp_ratelimit_mail = NULL;
1224 uschar *smtp_ratelimit_rcpt = NULL;
1225 uschar *smtp_read_error = US"";
1226 int smtp_receive_timeout = 5*60;
1227 uschar *smtp_reserve_hosts = NULL;
1228 BOOL smtp_return_error_details = FALSE;
1229 int smtp_rlm_base = 0;
1230 double smtp_rlm_factor = 0.0;
1231 int smtp_rlm_limit = 0;
1232 int smtp_rlm_threshold = INT_MAX;
1233 int smtp_rlr_base = 0;
1234 double smtp_rlr_factor = 0.0;
1235 int smtp_rlr_limit = 0;
1236 int smtp_rlr_threshold = INT_MAX;
1237 BOOL smtp_use_pipelining = FALSE;
1238 BOOL smtp_use_size = FALSE;
1239
1240 #ifdef WITH_CONTENT_SCAN
1241 uschar *spamd_address = US"127.0.0.1 783";
1242 uschar *spam_bar = NULL;
1243 uschar *spam_report = NULL;
1244 uschar *spam_score = NULL;
1245 uschar *spam_score_int = NULL;
1246 #endif
1247 #ifdef EXPERIMENTAL_SPF
1248 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1249 uschar *spf_header_comment = NULL;
1250 uschar *spf_received = NULL;
1251 uschar *spf_result = NULL;
1252 uschar *spf_smtp_comment = NULL;
1253 #endif
1254
1255 BOOL split_spool_directory = FALSE;
1256 uschar *spool_directory = US SPOOL_DIRECTORY
1257 "\0<--------------Space to patch spool_directory->";
1258 #ifdef EXPERIMENTAL_SRS
1259 uschar *srs_config = NULL;
1260 uschar *srs_db_address = NULL;
1261 uschar *srs_db_key = NULL;
1262 int srs_hashlength = 6;
1263 int srs_hashmin = -1;
1264 int srs_maxage = 31;
1265 uschar *srs_orig_recipient = NULL;
1266 uschar *srs_orig_sender = NULL;
1267 uschar *srs_recipient = NULL;
1268 uschar *srs_secrets = NULL;
1269 uschar *srs_status = NULL;
1270 BOOL srs_usehash = TRUE;
1271 BOOL srs_usetimestamp = TRUE;
1272 #endif
1273 BOOL strict_acl_vars = FALSE;
1274 int string_datestamp_offset= -1;
1275 int string_datestamp_length= 0;
1276 int string_datestamp_type = -1;
1277 BOOL strip_excess_angle_brackets = FALSE;
1278 BOOL strip_trailing_dot = FALSE;
1279 uschar *submission_domain = NULL;
1280 BOOL submission_mode = FALSE;
1281 uschar *submission_name = NULL;
1282 BOOL suppress_local_fixups = FALSE;
1283 BOOL suppress_local_fixups_default = FALSE;
1284 BOOL synchronous_delivery = FALSE;
1285 BOOL syslog_duplication = TRUE;
1286 int syslog_facility = LOG_MAIL;
1287 uschar *syslog_processname = US"exim";
1288 BOOL syslog_timestamp = TRUE;
1289 uschar *system_filter = NULL;
1290
1291 uschar *system_filter_directory_transport = NULL;
1292 uschar *system_filter_file_transport = NULL;
1293 uschar *system_filter_pipe_transport = NULL;
1294 uschar *system_filter_reply_transport = NULL;
1295
1296 gid_t system_filter_gid = 0;
1297 BOOL system_filter_gid_set = FALSE;
1298 uid_t system_filter_uid = (uid_t)-1;
1299 BOOL system_filter_uid_set = FALSE;
1300 BOOL system_filtering = FALSE;
1301
1302 BOOL tcp_nodelay = TRUE;
1303 #ifdef USE_TCP_WRAPPERS
1304 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1305 #endif
1306 int test_harness_load_avg = 0;
1307 int thismessage_size_limit = 0;
1308 int timeout_frozen_after = 0;
1309 BOOL timestamps_utc = FALSE;
1310
1311 #ifdef EXPERIMENTAL_TPDA
1312 int tpda_defer_errno = 0;
1313 uschar *tpda_defer_errstr = NULL;
1314 uschar *tpda_delivery_ip = NULL;
1315 int tpda_delivery_port = 0;
1316 uschar *tpda_delivery_fqdn = NULL;
1317 uschar *tpda_delivery_local_part= NULL;
1318 uschar *tpda_delivery_domain = NULL;
1319 uschar *tpda_delivery_confirmation = NULL;
1320 #endif
1321
1322 transport_instance *transports = NULL;
1323
1324 transport_instance transport_defaults = {
1325 NULL, /* chain pointer */
1326 NULL, /* name */
1327 NULL, /* info */
1328 NULL, /* private options block pointer */
1329 NULL, /* driver name */
1330 NULL, /* setup entry point */
1331 1, /* batch_max */
1332 NULL, /* batch_id */
1333 NULL, /* home_dir */
1334 NULL, /* current_dir */
1335 TRUE, /* multi-domain */
1336 FALSE, /* overrides_hosts */
1337 100, /* max_addresses */
1338 500, /* connection_max_messages */
1339 FALSE, /* deliver_as_creator */
1340 FALSE, /* disable_logging */
1341 FALSE, /* initgroups */
1342 FALSE, /* uid_set */
1343 FALSE, /* gid_set */
1344 (uid_t)(-1), /* uid */
1345 (gid_t)(-1), /* gid */
1346 NULL, /* expand_uid */
1347 NULL, /* expand_gid */
1348 NULL, /* warn_message */
1349 NULL, /* shadow */
1350 NULL, /* shadow_condition */
1351 NULL, /* filter_command */
1352 NULL, /* add_headers */
1353 NULL, /* remove_headers */
1354 NULL, /* return_path */
1355 NULL, /* debug_string */
1356 NULL, /* message_size_limit */
1357 NULL, /* headers_rewrite */
1358 NULL, /* rewrite_rules */
1359 0, /* rewrite_existflags */
1360 300, /* filter_timeout */
1361 FALSE, /* body_only */
1362 FALSE, /* delivery_date_add */
1363 FALSE, /* envelope_to_add */
1364 FALSE, /* headers_only */
1365 FALSE, /* rcpt_include_affixes */
1366 FALSE, /* return_path_add */
1367 FALSE, /* return_output */
1368 FALSE, /* return_fail_output */
1369 FALSE, /* log_output */
1370 FALSE, /* log_fail_output */
1371 FALSE, /* log_defer_output */
1372 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1373 1 nor 0 so can detect unset */
1374 };
1375
1376 int transport_count;
1377 uschar *transport_name = NULL;
1378 int transport_newlines;
1379 uschar **transport_filter_argv = NULL;
1380 int transport_filter_timeout;
1381 BOOL transport_filter_timed_out = FALSE;
1382 int transport_write_timeout= 0;
1383
1384 tree_node *tree_dns_fails = NULL;
1385 tree_node *tree_duplicates = NULL;
1386 tree_node *tree_nonrecipients = NULL;
1387 tree_node *tree_unusable = NULL;
1388
1389 BOOL trusted_caller = FALSE;
1390 BOOL trusted_config = TRUE;
1391 gid_t *trusted_groups = NULL;
1392 uid_t *trusted_users = NULL;
1393 uschar *timezone_string = US TIMEZONE_DEFAULT;
1394
1395 uschar *unknown_login = NULL;
1396 uschar *unknown_username = NULL;
1397 uschar *untrusted_set_sender = NULL;
1398
1399 /* A regex for matching a "From_" line in an incoming message, in the form
1400
1401 From ph10 Fri Jan 5 12:35 GMT 1996
1402
1403 which the "mail" commands send to the MTA (undocumented, of course), or in
1404 the form
1405
1406 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1407
1408 which is apparently used by some UUCPs, despite it not being in RFC 976.
1409 Because of variations in time formats, just match up to the minutes. That
1410 should be sufficient. Examples have been seen of time fields like 12:1:03,
1411 so just require one digit for hours and minutes. The weekday is also absent
1412 in some forms. */
1413
1414 uschar *uucp_from_pattern = US
1415 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1416 "(?:" /* Non-extracting bracket */
1417 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1418 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1419 ")" /* End alternation */
1420 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1421
1422 uschar *uucp_from_sender = US"$1";
1423
1424 uschar *warn_message_file = NULL;
1425 uschar *warnmsg_delay = NULL;
1426 uschar *warnmsg_recipients = NULL;
1427 BOOL write_rejectlog = TRUE;
1428
1429 uschar *version_copyright =
1430 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1431 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1432 uschar *version_date = US"?";
1433 uschar *version_cnumber = US"????";
1434 uschar *version_string = US"?";
1435
1436 int warning_count = 0;
1437
1438 /* End of globals.c */
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