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[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2012 */
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 LOOKUP_SQLITE
87 int sqlite_lock_timeout = 5;
88 #endif
89
90 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
91 BOOL move_frozen_messages = FALSE;
92 #endif
93
94 /* These variables are outside the #ifdef because it keeps the code less
95 cluttered in several places (e.g. during logging) if we can always refer to
96 them. Also, the tls_ variables are now always visible. */
97
98 tls_support tls_in = {
99 -1, /* tls_active */
100 0, /* tls_bits */
101 FALSE,/* tls_certificate_verified */
102 NULL, /* tls_cipher */
103 FALSE,/* tls_on_connect */
104 NULL, /* tls_on_connect_ports */
105 NULL, /* tls_peerdn */
106 NULL /* tls_sni */
107 };
108 tls_support tls_out = {
109 -1, /* tls_active */
110 0, /* tls_bits */
111 FALSE,/* tls_certificate_verified */
112 NULL, /* tls_cipher */
113 FALSE,/* tls_on_connect */
114 NULL, /* tls_on_connect_ports */
115 NULL, /* tls_peerdn */
116 NULL /* tls_sni */
117 };
118
119
120 #ifdef SUPPORT_TLS
121 BOOL gnutls_compat_mode = FALSE;
122 BOOL gnutls_enable_pkcs11 = FALSE;
123 uschar *gnutls_require_mac = NULL;
124 uschar *gnutls_require_kx = NULL;
125 uschar *gnutls_require_proto = NULL;
126 uschar *openssl_options = NULL;
127 const pcre *regex_STARTTLS = NULL;
128 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
129 uschar *tls_certificate = NULL;
130 uschar *tls_crl = NULL;
131 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
132 that's the interop problem which has been observed: GnuTLS suggesting a higher
133 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
134 int tls_dh_max_bits = 2236;
135 uschar *tls_dhparam = NULL;
136 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
137 uschar *tls_ocsp_file = NULL;
138 #endif
139 BOOL tls_offered = FALSE;
140 uschar *tls_privatekey = NULL;
141 BOOL tls_remember_esmtp = FALSE;
142 uschar *tls_require_ciphers = NULL;
143 uschar *tls_try_verify_hosts = NULL;
144 uschar *tls_verify_certificates= NULL;
145 uschar *tls_verify_hosts = NULL;
146 #endif
147
148 #ifdef EXPERIMENTAL_PRDR
149 /* Per Recipient Data Response variables */
150 BOOL prdr_enable = FALSE;
151 BOOL prdr_requested = FALSE;
152 const pcre *regex_PRDR = NULL;
153 #endif
154
155 /* Input-reading functions for messages, so we can use special ones for
156 incoming TCP/IP. The defaults use stdin. We never need these for any
157 stand-alone tests. */
158
159 #ifndef STAND_ALONE
160 int (*receive_getc)(void) = stdin_getc;
161 int (*receive_ungetc)(int) = stdin_ungetc;
162 int (*receive_feof)(void) = stdin_feof;
163 int (*receive_ferror)(void) = stdin_ferror;
164 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
165 #endif
166
167
168 /* List of per-address expansion variables for clearing and saving/restoring
169 when verifying one address while routing/verifying another. We have to have
170 the size explicit, because it is referenced from more than one module. */
171
172 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
173 &deliver_address_data,
174 &deliver_domain,
175 &deliver_domain_data,
176 &deliver_domain_orig,
177 &deliver_domain_parent,
178 &deliver_localpart,
179 &deliver_localpart_data,
180 &deliver_localpart_orig,
181 &deliver_localpart_parent,
182 &deliver_localpart_prefix,
183 &deliver_localpart_suffix,
184 (uschar **)(&deliver_recipients),
185 &deliver_host,
186 &deliver_home,
187 &address_file,
188 &address_pipe,
189 &self_hostname,
190 NULL };
191
192 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
193
194 /* General global variables */
195
196 header_line *acl_added_headers = NULL;
197 tree_node *acl_anchor = NULL;
198 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
199 NULL, NULL, NULL, NULL};
200 int acl_narg = 0;
201
202 uschar *acl_not_smtp = NULL;
203 #ifdef WITH_CONTENT_SCAN
204 uschar *acl_not_smtp_mime = NULL;
205 #endif
206 uschar *acl_not_smtp_start = NULL;
207 uschar *acl_removed_headers = NULL;
208 uschar *acl_smtp_auth = NULL;
209 uschar *acl_smtp_connect = NULL;
210 uschar *acl_smtp_data = NULL;
211 #ifdef EXPERIMENTAL_PRDR
212 uschar *acl_smtp_data_prdr = NULL;
213 #endif
214 #ifndef DISABLE_DKIM
215 uschar *acl_smtp_dkim = NULL;
216 #endif
217 uschar *acl_smtp_etrn = NULL;
218 uschar *acl_smtp_expn = NULL;
219 uschar *acl_smtp_helo = NULL;
220 uschar *acl_smtp_mail = NULL;
221 uschar *acl_smtp_mailauth = NULL;
222 #ifdef WITH_CONTENT_SCAN
223 uschar *acl_smtp_mime = NULL;
224 #endif
225 uschar *acl_smtp_notquit = NULL;
226 uschar *acl_smtp_predata = NULL;
227 uschar *acl_smtp_quit = NULL;
228 uschar *acl_smtp_rcpt = NULL;
229 uschar *acl_smtp_starttls = NULL;
230 uschar *acl_smtp_vrfy = NULL;
231
232 BOOL acl_temp_details = FALSE;
233 tree_node *acl_var_c = NULL;
234 tree_node *acl_var_m = NULL;
235 uschar *acl_verify_message = NULL;
236 string_item *acl_warn_logged = NULL;
237
238 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
239 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
240
241 uschar *acl_wherenames[] = { US"RCPT",
242 US"MAIL",
243 US"PREDATA",
244 US"MIME",
245 US"DKIM",
246 US"DATA",
247 #ifdef EXPERIMENTAL_PRDR
248 US"PRDR",
249 #endif
250 US"non-SMTP",
251 US"AUTH",
252 US"connection",
253 US"ETRN",
254 US"EXPN",
255 US"EHLO or HELO",
256 US"MAILAUTH",
257 US"non-SMTP-start",
258 US"NOTQUIT",
259 US"QUIT",
260 US"STARTTLS",
261 US"VRFY",
262 US"delivery",
263 US"unknown"
264 };
265
266 uschar *acl_wherecodes[] = { US"550", /* RCPT */
267 US"550", /* MAIL */
268 US"550", /* PREDATA */
269 US"550", /* MIME */
270 US"550", /* DKIM */
271 US"550", /* DATA */
272 #ifdef EXPERIMENTAL_PRDR
273 US"550", /* RCPT PRDR */
274 #endif
275 US"0", /* not SMTP; not relevant */
276 US"503", /* AUTH */
277 US"550", /* connect */
278 US"458", /* ETRN */
279 US"550", /* EXPN */
280 US"550", /* HELO/EHLO */
281 US"0", /* MAILAUTH; not relevant */
282 US"0", /* not SMTP; not relevant */
283 US"0", /* NOTQUIT; not relevant */
284 US"0", /* QUIT; not relevant */
285 US"550", /* STARTTLS */
286 US"252", /* VRFY */
287 US"0", /* delivery; not relevant */
288 US"0" /* unknown; not relevant */
289 };
290
291 BOOL active_local_from_check = FALSE;
292 BOOL active_local_sender_retain = FALSE;
293 int body_8bitmime = 0;
294 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
295 address_item *addr_duplicate = NULL;
296
297 address_item address_defaults = {
298 NULL, /* next */
299 NULL, /* parent */
300 NULL, /* first */
301 NULL, /* dupof */
302 NULL, /* start_router */
303 NULL, /* router */
304 NULL, /* transport */
305 NULL, /* host_list */
306 NULL, /* host_used */
307 NULL, /* fallback_hosts */
308 NULL, /* reply */
309 NULL, /* retries */
310 NULL, /* address */
311 NULL, /* unique */
312 NULL, /* cc_local_part */
313 NULL, /* lc_local_part */
314 NULL, /* local_part */
315 NULL, /* prefix */
316 NULL, /* suffix */
317 NULL, /* domain */
318 NULL, /* address_retry_key */
319 NULL, /* domain_retry_key */
320 NULL, /* current_dir */
321 NULL, /* home_dir */
322 NULL, /* message */
323 NULL, /* user_message */
324 NULL, /* onetime_parent */
325 NULL, /* pipe_expandn */
326 NULL, /* return_filename */
327 NULL, /* self_hostname */
328 NULL, /* shadow_message */
329 #ifdef SUPPORT_TLS
330 NULL, /* cipher */
331 NULL, /* peerdn */
332 #endif
333 NULL, /* authenticator */
334 NULL, /* auth_id */
335 NULL, /* auth_sndr */
336 (uid_t)(-1), /* uid */
337 (gid_t)(-1), /* gid */
338 0, /* flags */
339 { 0 }, /* domain_cache - any larger array should be zeroed */
340 { 0 }, /* localpart_cache - ditto */
341 -1, /* mode */
342 0, /* more_errno */
343 ERRNO_UNKNOWNERROR, /* basic_errno */
344 0, /* child_count */
345 -1, /* return_file */
346 SPECIAL_NONE, /* special_action */
347 DEFER, /* transport_return */
348 { /* fields that are propagated to children */
349 NULL, /* address_data */
350 NULL, /* domain_data */
351 NULL, /* localpart_data */
352 NULL, /* errors_address */
353 NULL, /* extra_headers */
354 NULL, /* remove_headers */
355 #ifdef EXPERIMENTAL_SRS
356 NULL, /* srs_sender */
357 #endif
358 }
359 };
360
361 uschar *address_file = NULL;
362 uschar *address_pipe = NULL;
363 BOOL address_test_mode = FALSE;
364 tree_node *addresslist_anchor = NULL;
365 int addresslist_count = 0;
366 gid_t *admin_groups = NULL;
367 BOOL admin_user = FALSE;
368 BOOL allow_auth_unadvertised= FALSE;
369 BOOL allow_domain_literals = FALSE;
370 BOOL allow_mx_to_ip = FALSE;
371 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
372 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
373 BOOL allow_utf8_domains = FALSE;
374 uschar *authenticated_id = NULL;
375 uschar *authenticated_sender = NULL;
376 BOOL authentication_failed = FALSE;
377 auth_instance *auths = NULL;
378 uschar *auth_advertise_hosts = US"*";
379 auth_instance auth_defaults = {
380 NULL, /* chain pointer */
381 NULL, /* name */
382 NULL, /* info */
383 NULL, /* private options block pointer */
384 NULL, /* driver_name */
385 NULL, /* advertise_condition */
386 NULL, /* client_condition */
387 NULL, /* public_name */
388 NULL, /* set_id */
389 NULL, /* set_client_id */
390 NULL, /* server_mail_auth_condition */
391 NULL, /* server_debug_string */
392 NULL, /* server_condition */
393 FALSE, /* client */
394 FALSE, /* server */
395 FALSE /* advertised */
396 };
397
398 uschar *auth_defer_msg = US"reason not recorded";
399 uschar *auth_defer_user_msg = US"";
400 uschar *auth_vars[AUTH_VARS];
401 int auto_thaw = 0;
402 #ifdef WITH_CONTENT_SCAN
403 BOOL av_failed = FALSE;
404 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
405 #endif
406
407 BOOL background_daemon = TRUE;
408
409 #if BASE_62 == 62
410 uschar *base62_chars=
411 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
412 #else
413 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
414 #endif
415
416 uschar *bi_command = NULL;
417 uschar *big_buffer = NULL;
418 int big_buffer_size = BIG_BUFFER_SIZE;
419 #ifdef EXPERIMENTAL_BRIGHTMAIL
420 uschar *bmi_alt_location = NULL;
421 uschar *bmi_base64_tracker_verdict = NULL;
422 uschar *bmi_base64_verdict = NULL;
423 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
424 int bmi_deliver = 1;
425 int bmi_run = 0;
426 uschar *bmi_verdicts = NULL;
427 #endif
428 int body_linecount = 0;
429 int body_zerocount = 0;
430 uschar *bounce_message_file = NULL;
431 uschar *bounce_message_text = NULL;
432 uschar *bounce_recipient = NULL;
433 BOOL bounce_return_body = TRUE;
434 BOOL bounce_return_message = TRUE;
435 int bounce_return_size_limit = 100*1024;
436 uschar *bounce_sender_authentication = NULL;
437 int bsmtp_transaction_linecount = 0;
438
439 int callout_cache_domain_positive_expire = 7*24*60*60;
440 int callout_cache_domain_negative_expire = 3*60*60;
441 int callout_cache_positive_expire = 24*60*60;
442 int callout_cache_negative_expire = 2*60*60;
443 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
444 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
445 int check_log_inodes = 0;
446 int check_log_space = 0;
447 BOOL check_rfc2047_length = TRUE;
448 int check_spool_inodes = 0;
449 int check_spool_space = 0;
450 uschar *client_authenticator = NULL;
451 uschar *client_authenticated_id = NULL;
452 uschar *client_authenticated_sender = NULL;
453 int clmacro_count = 0;
454 uschar *clmacros[MAX_CLMACROS];
455 BOOL config_changed = FALSE;
456 FILE *config_file = NULL;
457 uschar *config_filename = NULL;
458 int config_lineno = 0;
459 #ifdef CONFIGURE_GROUP
460 gid_t config_gid = CONFIGURE_GROUP;
461 #endif
462 uschar *config_main_filelist = US CONFIGURE_FILE
463 "\0<-----------Space to patch configure_filename->";
464 uschar *config_main_filename = NULL;
465
466 #ifdef CONFIGURE_OWNER
467 uid_t config_uid = CONFIGURE_OWNER;
468 #endif
469
470 int connection_max_messages= -1;
471 uschar *continue_hostname = NULL;
472 uschar *continue_host_address = NULL;
473 BOOL continue_more = FALSE;
474 int continue_sequence = 1;
475 uschar *continue_transport = NULL;
476
477 uschar *csa_status = NULL;
478 BOOL cutthrough_delivery = FALSE;
479 int cutthrough_fd = -1;
480
481 BOOL daemon_listen = FALSE;
482 uschar *daemon_smtp_port = US"smtp";
483 int daemon_startup_retries = 9;
484 int daemon_startup_sleep = 30;
485
486 #ifdef EXPERIMENTAL_DCC
487 BOOL dcc_direct_add_header = FALSE;
488 uschar *dcc_header = NULL;
489 uschar *dcc_result = NULL;
490 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
491 uschar *dccifd_options = US"header";
492 #endif
493
494 BOOL debug_daemon = FALSE;
495 int debug_fd = -1;
496 FILE *debug_file = NULL;
497 bit_table debug_options[] = {
498 { US"acl", D_acl },
499 { US"all", D_all },
500 { US"auth", D_auth },
501 { US"deliver", D_deliver },
502 { US"dns", D_dns },
503 { US"dnsbl", D_dnsbl },
504 { US"exec", D_exec },
505 { US"expand", D_expand },
506 { US"filter", D_filter },
507 { US"hints_lookup", D_hints_lookup },
508 { US"host_lookup", D_host_lookup },
509 { US"ident", D_ident },
510 { US"interface", D_interface },
511 { US"lists", D_lists },
512 { US"load", D_load },
513 { US"local_scan", D_local_scan },
514 { US"lookup", D_lookup },
515 { US"memory", D_memory },
516 { US"pid", D_pid },
517 { US"process_info", D_process_info },
518 { US"queue_run", D_queue_run },
519 { US"receive", D_receive },
520 { US"resolver", D_resolver },
521 { US"retry", D_retry },
522 { US"rewrite", D_rewrite },
523 { US"route", D_route },
524 { US"timestamp", D_timestamp },
525 { US"tls", D_tls },
526 { US"transport", D_transport },
527 { US"uid", D_uid },
528 { US"verify", D_verify }
529 };
530 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
531 unsigned int debug_selector = 0;
532 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
533 uschar *delay_warning_condition=
534 US"${if or {"
535 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
536 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
537 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
538 "} {no}{yes}}";
539 BOOL delivery_date_remove = TRUE;
540 uschar *deliver_address_data = NULL;
541 int deliver_datafile = -1;
542 uschar *deliver_domain = NULL;
543 uschar *deliver_domain_data = NULL;
544 uschar *deliver_domain_orig = NULL;
545 uschar *deliver_domain_parent = NULL;
546 BOOL deliver_drop_privilege = FALSE;
547 BOOL deliver_firsttime = FALSE;
548 BOOL deliver_force = FALSE;
549 BOOL deliver_freeze = FALSE;
550 int deliver_frozen_at = 0;
551 uschar *deliver_home = NULL;
552 uschar *deliver_host = NULL;
553 uschar *deliver_host_address = NULL;
554 uschar *deliver_in_buffer = NULL;
555 ino_t deliver_inode = 0;
556 uschar *deliver_localpart = NULL;
557 uschar *deliver_localpart_data = NULL;
558 uschar *deliver_localpart_orig = NULL;
559 uschar *deliver_localpart_parent = NULL;
560 uschar *deliver_localpart_prefix = NULL;
561 uschar *deliver_localpart_suffix = NULL;
562 BOOL deliver_force_thaw = FALSE;
563 BOOL deliver_manual_thaw = FALSE;
564 uschar *deliver_out_buffer = NULL;
565 int deliver_queue_load_max = -1;
566 address_item *deliver_recipients = NULL;
567 uschar *deliver_selectstring = NULL;
568 BOOL deliver_selectstring_regex = FALSE;
569 uschar *deliver_selectstring_sender = NULL;
570 BOOL deliver_selectstring_sender_regex = FALSE;
571 #ifdef WITH_OLD_DEMIME
572 int demime_errorlevel = 0;
573 int demime_ok = 0;
574 uschar *demime_reason = NULL;
575 #endif
576 BOOL disable_callout_flush = FALSE;
577 BOOL disable_delay_flush = FALSE;
578 #ifdef ENABLE_DISABLE_FSYNC
579 BOOL disable_fsync = FALSE;
580 #endif
581 BOOL disable_ipv6 = FALSE;
582 BOOL disable_logging = FALSE;
583
584 #ifndef DISABLE_DKIM
585 uschar *dkim_cur_signer = NULL;
586 uschar *dkim_signers = NULL;
587 uschar *dkim_signing_domain = NULL;
588 uschar *dkim_signing_selector = NULL;
589 uschar *dkim_verify_signers = US"$dkim_signers";
590 BOOL dkim_collect_input = FALSE;
591 BOOL dkim_disable_verify = FALSE;
592 #endif
593 #ifdef EXPERIMENTAL_DMARC
594 int dmarc_has_been_checked = 0;
595 uschar *dmarc_ar_header = NULL;
596 uschar *dmarc_forensic_sender = NULL;
597 uschar *dmarc_history_file = NULL;
598 uschar *dmarc_status = NULL;
599 uschar *dmarc_status_text = NULL;
600 uschar *dmarc_tld_file = NULL;
601 uschar *dmarc_used_domain = NULL;
602 BOOL dmarc_disable_verify = FALSE;
603 BOOL dmarc_enable_forensic = FALSE;
604 #endif
605
606 uschar *dns_again_means_nonexist = NULL;
607 int dns_csa_search_limit = 5;
608 BOOL dns_csa_use_reverse = TRUE;
609 uschar *dns_ipv4_lookup = NULL;
610 int dns_retrans = 0;
611 int dns_retry = 0;
612 int dns_dnssec_ok = -1; /* <0 = not coerced */
613 int dns_use_edns0 = -1; /* <0 = not coerced */
614 uschar *dnslist_domain = NULL;
615 uschar *dnslist_matched = NULL;
616 uschar *dnslist_text = NULL;
617 uschar *dnslist_value = NULL;
618 tree_node *domainlist_anchor = NULL;
619 int domainlist_count = 0;
620 BOOL dont_deliver = FALSE;
621 BOOL dot_ends = TRUE;
622 BOOL drop_cr = FALSE; /* No longer used */
623 uschar *dsn_from = US DEFAULT_DSN_FROM;
624
625 BOOL enable_dollar_recipients = FALSE;
626 BOOL envelope_to_remove = TRUE;
627 int errno_quota = ERRNO_QUOTA;
628 uschar *errors_copy = NULL;
629 int error_handling = ERRORS_SENDER;
630 uschar *errors_reply_to = NULL;
631 int errors_sender_rc = EXIT_FAILURE;
632
633 gid_t exim_gid = EXIM_GID;
634 BOOL exim_gid_set = TRUE; /* This gid is always set */
635 uschar *exim_path = US BIN_DIRECTORY "/exim"
636 "\0<---------------Space to patch exim_path->";
637 uid_t exim_uid = EXIM_UID;
638 BOOL exim_uid_set = TRUE; /* This uid is always set */
639 int expand_forbid = 0;
640 int expand_nlength[EXPAND_MAXN+1];
641 int expand_nmax = -1;
642 uschar *expand_nstring[EXPAND_MAXN+1];
643 BOOL expand_string_forcedfail = FALSE;
644 uschar *expand_string_message;
645 BOOL extract_addresses_remove_arguments = TRUE;
646 uschar *extra_local_interfaces = NULL;
647
648 int fake_response = OK;
649 uschar *fake_response_text = US"Your message has been rejected but is "
650 "being kept for evaluation.\nIf it was a "
651 "legitimate message, it may still be "
652 "delivered to the target recipient(s).";
653 int filter_n[FILTER_VARIABLE_COUNT];
654 BOOL filter_running = FALSE;
655 int filter_sn[FILTER_VARIABLE_COUNT];
656 int filter_test = FTEST_NONE;
657 uschar *filter_test_sfile = NULL;
658 uschar *filter_test_ufile = NULL;
659 uschar *filter_thisaddress = NULL;
660 int finduser_retries = 0;
661 #ifdef WITH_OLD_DEMIME
662 uschar *found_extension = NULL;
663 #endif
664 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
665 uschar *freeze_tell = NULL;
666 uschar *freeze_tell_config = NULL;
667 uschar *fudged_queue_times = US"";
668
669 uschar *gecos_name = NULL;
670 uschar *gecos_pattern = NULL;
671 rewrite_rule *global_rewrite_rules = NULL;
672
673 uschar *headers_charset = US HEADERS_CHARSET;
674 int header_insert_maxlen = 64 * 1024;
675 header_line *header_last = NULL;
676 header_line *header_list = NULL;
677 int header_maxsize = HEADER_MAXSIZE;
678 int header_line_maxsize = 0;
679
680 header_name header_names[] = {
681 { US"bcc", 3, TRUE, htype_bcc },
682 { US"cc", 2, TRUE, htype_cc },
683 { US"date", 4, TRUE, htype_date },
684 { US"delivery-date", 13, FALSE, htype_delivery_date },
685 { US"envelope-to", 11, FALSE, htype_envelope_to },
686 { US"from", 4, TRUE, htype_from },
687 { US"message-id", 10, TRUE, htype_id },
688 { US"received", 8, FALSE, htype_received },
689 { US"reply-to", 8, FALSE, htype_reply_to },
690 { US"return-path", 11, FALSE, htype_return_path },
691 { US"sender", 6, TRUE, htype_sender },
692 { US"subject", 7, FALSE, htype_subject },
693 { US"to", 2, TRUE, htype_to }
694 };
695
696 int header_names_size = sizeof(header_names)/sizeof(header_name);
697
698 BOOL header_rewritten = FALSE;
699 uschar *helo_accept_junk_hosts = NULL;
700 uschar *helo_allow_chars = US"";
701 uschar *helo_lookup_domains = US"@ : @[]";
702 uschar *helo_try_verify_hosts = NULL;
703 BOOL helo_verified = FALSE;
704 BOOL helo_verify_failed = FALSE;
705 uschar *helo_verify_hosts = NULL;
706 const uschar *hex_digits = CUS"0123456789abcdef";
707 uschar *hold_domains = NULL;
708 BOOL host_checking = FALSE;
709 BOOL host_checking_callout = FALSE;
710 uschar *host_data = NULL;
711 BOOL host_find_failed_syntax= FALSE;
712 uschar *host_lookup = NULL;
713 BOOL host_lookup_deferred = FALSE;
714 BOOL host_lookup_failed = FALSE;
715 uschar *host_lookup_order = US"bydns:byaddr";
716 uschar *host_lookup_msg = US"";
717 int host_number = 0;
718 uschar *host_number_string = NULL;
719 uschar *host_reject_connection = NULL;
720 tree_node *hostlist_anchor = NULL;
721 int hostlist_count = 0;
722 uschar *hosts_treat_as_local = NULL;
723 uschar *hosts_connection_nolog = NULL;
724
725 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
726 BOOL ignore_fromline_local = FALSE;
727 uschar *ignore_fromline_hosts = NULL;
728 BOOL inetd_wait_mode = FALSE;
729 int inetd_wait_timeout = -1;
730 uschar *interface_address = NULL;
731 int interface_port = -1;
732 BOOL is_inetd = FALSE;
733 uschar *iterate_item = NULL;
734
735 int journal_fd = -1;
736
737 int keep_malformed = 4*24*60*60; /* 4 days */
738
739 uschar *eldap_dn = NULL;
740 int load_average = -2;
741 BOOL local_error_message = FALSE;
742 BOOL local_from_check = TRUE;
743 uschar *local_from_prefix = NULL;
744 uschar *local_from_suffix = NULL;
745
746 #if HAVE_IPV6
747 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
748 #else
749 uschar *local_interfaces = US"0.0.0.0";
750 #endif
751
752 uschar *local_scan_data = NULL;
753 int local_scan_timeout = 5*60;
754 BOOL local_sender_retain = FALSE;
755 gid_t local_user_gid = (gid_t)(-1);
756 uid_t local_user_uid = (uid_t)(-1);
757
758 tree_node *localpartlist_anchor= NULL;
759 int localpartlist_count = 0;
760 uschar *log_buffer = NULL;
761 unsigned int log_extra_selector = LX_default;
762 uschar *log_file_path = US LOG_FILE_PATH
763 "\0<--------------Space to patch log_file_path->";
764
765 /* Those log options with L_xxx identifiers have values less than 0x800000 and
766 are the ones that get put into log_write_selector. They can be used in calls to
767 log_write() to test for the bit. The options with LX_xxx identifiers have
768 values greater than 0x80000000 and are put into log_extra_selector (without the
769 top bit). They are never used in calls to log_write(), but are tested
770 independently. This separation became necessary when the number of log
771 selectors was getting close to filling a 32-bit word. */
772
773 /* Note that this list must be in alphabetical order. */
774
775 bit_table log_options[] = {
776 { US"8bitmime", LX_8bitmime },
777 { US"acl_warn_skipped", LX_acl_warn_skipped },
778 { US"address_rewrite", L_address_rewrite },
779 { US"all", L_all },
780 { US"all_parents", L_all_parents },
781 { US"arguments", LX_arguments },
782 { US"connection_reject", L_connection_reject },
783 { US"delay_delivery", L_delay_delivery },
784 { US"deliver_time", LX_deliver_time },
785 { US"delivery_size", LX_delivery_size },
786 { US"dnslist_defer", L_dnslist_defer },
787 { US"etrn", L_etrn },
788 { US"host_lookup_failed", L_host_lookup_failed },
789 { US"ident_timeout", LX_ident_timeout },
790 { US"incoming_interface", LX_incoming_interface },
791 { US"incoming_port", LX_incoming_port },
792 { US"lost_incoming_connection", L_lost_incoming_connection },
793 { US"outgoing_port", LX_outgoing_port },
794 { US"pid", LX_pid },
795 { US"queue_run", L_queue_run },
796 { US"queue_time", LX_queue_time },
797 { US"queue_time_overall", LX_queue_time_overall },
798 { US"received_recipients", LX_received_recipients },
799 { US"received_sender", LX_received_sender },
800 { US"rejected_header", LX_rejected_header },
801 { US"rejected_headers", LX_rejected_header },
802 { US"retry_defer", L_retry_defer },
803 { US"return_path_on_delivery", LX_return_path_on_delivery },
804 { US"sender_on_delivery", LX_sender_on_delivery },
805 { US"sender_verify_fail", LX_sender_verify_fail },
806 { US"size_reject", L_size_reject },
807 { US"skip_delivery", L_skip_delivery },
808 { US"smtp_confirmation", LX_smtp_confirmation },
809 { US"smtp_connection", L_smtp_connection },
810 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
811 { US"smtp_mailauth", LX_smtp_mailauth },
812 { US"smtp_no_mail", LX_smtp_no_mail },
813 { US"smtp_protocol_error", L_smtp_protocol_error },
814 { US"smtp_syntax_error", L_smtp_syntax_error },
815 { US"subject", LX_subject },
816 { US"tls_certificate_verified", LX_tls_certificate_verified },
817 { US"tls_cipher", LX_tls_cipher },
818 { US"tls_peerdn", LX_tls_peerdn },
819 { US"tls_sni", LX_tls_sni },
820 { US"unknown_in_list", LX_unknown_in_list }
821 };
822
823 int log_options_count = sizeof(log_options)/sizeof(bit_table);
824 int log_reject_target = 0;
825 uschar *log_selector_string = NULL;
826 FILE *log_stderr = NULL;
827 BOOL log_testing_mode = FALSE;
828 BOOL log_timezone = FALSE;
829 unsigned int log_write_selector= L_default;
830 uschar *login_sender_address = NULL;
831 int lookup_open_max = 25;
832 uschar *lookup_value = NULL;
833
834 macro_item *macros = NULL;
835 uschar *mailstore_basename = NULL;
836 #ifdef WITH_CONTENT_SCAN
837 uschar *malware_name = NULL; /* Virus Name */
838 #endif
839 int max_received_linelength= 0;
840 int max_username_length = 0;
841 int message_age = 0;
842 uschar *message_body = NULL;
843 uschar *message_body_end = NULL;
844 BOOL message_body_newlines = FALSE;
845 int message_body_size = 0;
846 int message_body_visible = 500;
847 int message_ended = END_NOTSTARTED;
848 uschar *message_headers = NULL;
849 uschar *message_id;
850 uschar *message_id_domain = NULL;
851 uschar *message_id_text = NULL;
852 struct timeval message_id_tv = { 0, 0 };
853 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
854 uschar *message_id_external;
855 int message_linecount = 0;
856 BOOL message_logs = TRUE;
857 int message_size = 0;
858 uschar *message_size_limit = US"50M";
859 uschar message_subdir[2] = { 0, 0 };
860 uschar *message_reference = NULL;
861
862 /* MIME ACL expandables */
863 #ifdef WITH_CONTENT_SCAN
864 int mime_anomaly_level = 0;
865 const uschar *mime_anomaly_text = NULL;
866 uschar *mime_boundary = NULL;
867 uschar *mime_charset = NULL;
868 uschar *mime_content_description = NULL;
869 uschar *mime_content_disposition = NULL;
870 uschar *mime_content_id = NULL;
871 unsigned int mime_content_size = 0;
872 uschar *mime_content_transfer_encoding = NULL;
873 uschar *mime_content_type = NULL;
874 uschar *mime_decoded_filename = NULL;
875 uschar *mime_filename = NULL;
876 int mime_is_multipart = 0;
877 int mime_is_coverletter = 0;
878 int mime_is_rfc822 = 0;
879 int mime_part_count = -1;
880 #endif
881
882 BOOL mua_wrapper = FALSE;
883
884 uid_t *never_users = NULL;
885 #ifdef WITH_CONTENT_SCAN
886 BOOL no_mbox_unspool = FALSE;
887 #endif
888 BOOL no_multiline_responses = FALSE;
889
890 uid_t original_euid;
891 gid_t originator_gid;
892 uschar *originator_login = NULL;
893 uschar *originator_name = NULL;
894 uid_t originator_uid;
895 uschar *override_local_interfaces = NULL;
896 uschar *override_pid_file_path = NULL;
897
898 BOOL parse_allow_group = FALSE;
899 BOOL parse_found_group = FALSE;
900 uschar *percent_hack_domains = NULL;
901 uschar *pid_file_path = US PID_FILE_PATH
902 "\0<--------------Space to patch pid_file_path->";
903 BOOL pipelining_enable = TRUE;
904 uschar *pipelining_advertise_hosts = US"*";
905 BOOL preserve_message_logs = FALSE;
906 uschar *primary_hostname = NULL;
907 BOOL print_topbitchars = FALSE;
908 uschar process_info[PROCESS_INFO_SIZE];
909 int process_info_len = 0;
910 uschar *process_log_path = NULL;
911 BOOL prod_requires_admin = TRUE;
912 uschar *prvscheck_address = NULL;
913 uschar *prvscheck_keynum = NULL;
914 uschar *prvscheck_result = NULL;
915
916
917 uschar *qualify_domain_recipient = NULL;
918 uschar *qualify_domain_sender = NULL;
919 BOOL queue_2stage = FALSE;
920 uschar *queue_domains = NULL;
921 int queue_interval = -1;
922 BOOL queue_list_requires_admin = TRUE;
923 BOOL queue_only = FALSE;
924 uschar *queue_only_file = NULL;
925 int queue_only_load = -1;
926 BOOL queue_only_load_latch = TRUE;
927 BOOL queue_only_override = TRUE;
928 BOOL queue_only_policy = FALSE;
929 BOOL queue_run_first_delivery = FALSE;
930 BOOL queue_run_force = FALSE;
931 BOOL queue_run_in_order = FALSE;
932 BOOL queue_run_local = FALSE;
933 int queue_run_max = 5;
934 pid_t queue_run_pid = (pid_t)0;
935 int queue_run_pipe = -1;
936 BOOL queue_running = FALSE;
937 BOOL queue_smtp = FALSE;
938 uschar *queue_smtp_domains = NULL;
939
940 unsigned int random_seed = 0;
941 tree_node *ratelimiters_cmd = NULL;
942 tree_node *ratelimiters_conn = NULL;
943 tree_node *ratelimiters_mail = NULL;
944 uschar *raw_active_hostname = NULL;
945 uschar *raw_sender = NULL;
946 uschar **raw_recipients = NULL;
947 int raw_recipients_count = 0;
948
949 int rcpt_count = 0;
950 int rcpt_fail_count = 0;
951 int rcpt_defer_count = 0;
952 gid_t real_gid;
953 uid_t real_uid;
954 BOOL really_exim = TRUE;
955 BOOL receive_call_bombout = FALSE;
956 int receive_linecount = 0;
957 int receive_messagecount = 0;
958 int receive_timeout = 0;
959 int received_count = 0;
960 uschar *received_for = NULL;
961
962 /* This is the default text for Received headers generated by Exim. The
963 date will be automatically added on the end. */
964
965 uschar *received_header_text = US
966 "Received: "
967 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
968 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
969 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
970 "by $primary_hostname "
971 "${if def:received_protocol {with $received_protocol}} "
972 #ifdef SUPPORT_TLS
973 "${if def:tls_cipher {($tls_cipher)\n\t}}"
974 #endif
975 "(Exim $version_number)\n\t"
976 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
977 "id $message_exim_id"
978 "${if def:received_for {\n\tfor $received_for}}"
979 "\0<---------------Space to patch received_header_text->";
980
981 int received_headers_max = 30;
982 uschar *received_protocol = NULL;
983 int received_time = 0;
984 uschar *recipient_data = NULL;
985 uschar *recipient_unqualified_hosts = NULL;
986 uschar *recipient_verify_failure = NULL;
987 int recipients_count = 0;
988 BOOL recipients_discarded = FALSE;
989 recipient_item *recipients_list = NULL;
990 int recipients_list_max = 0;
991 int recipients_max = 0;
992 BOOL recipients_max_reject = FALSE;
993 const pcre *regex_AUTH = NULL;
994 const pcre *regex_check_dns_names = NULL;
995 const pcre *regex_From = NULL;
996 const pcre *regex_IGNOREQUOTA = NULL;
997 const pcre *regex_PIPELINING = NULL;
998 const pcre *regex_SIZE = NULL;
999 const pcre *regex_smtp_code = NULL;
1000 const pcre *regex_ismsgid = NULL;
1001 #ifdef WHITELIST_D_MACROS
1002 const pcre *regex_whitelisted_macro = NULL;
1003 #endif
1004 #ifdef WITH_CONTENT_SCAN
1005 uschar *regex_match_string = NULL;
1006 #endif
1007 int remote_delivery_count = 0;
1008 int remote_max_parallel = 2;
1009 uschar *remote_sort_domains = NULL;
1010 int retry_data_expire = 7*24*60*60;
1011 int retry_interval_max = 24*60*60;
1012 int retry_maximum_timeout = 0; /* set from retry config */
1013 retry_config *retries = NULL;
1014 uschar *return_path = NULL;
1015 BOOL return_path_remove = TRUE;
1016 int rewrite_existflags = 0;
1017 uschar *rfc1413_hosts = US"*";
1018 int rfc1413_query_timeout = 5;
1019 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1020 uid_t root_gid = ROOT_GID;
1021 uid_t root_uid = ROOT_UID;
1022
1023 router_instance *routers = NULL;
1024 router_instance router_defaults = {
1025 NULL, /* chain pointer */
1026 NULL, /* name */
1027 NULL, /* info */
1028 NULL, /* private options block pointer */
1029 NULL, /* driver name */
1030
1031 NULL, /* address_data */
1032 #ifdef EXPERIMENTAL_BRIGHTMAIL
1033 NULL, /* bmi_rule */
1034 #endif
1035 NULL, /* cannot_route_message */
1036 NULL, /* condition */
1037 NULL, /* current_directory */
1038 NULL, /* debug_string */
1039 NULL, /* domains */
1040 NULL, /* errors_to */
1041 NULL, /* expand_gid */
1042 NULL, /* expand_uid */
1043 NULL, /* expand_more */
1044 NULL, /* expand_unseen */
1045 NULL, /* extra_headers */
1046 NULL, /* fallback_hosts */
1047 NULL, /* home_directory */
1048 NULL, /* ignore_target_hosts */
1049 NULL, /* local_parts */
1050 NULL, /* pass_router_name */
1051 NULL, /* prefix */
1052 NULL, /* redirect_router_name */
1053 NULL, /* remove_headers */
1054 NULL, /* require_files */
1055 NULL, /* router_home_directory */
1056 US"freeze", /* self */
1057 NULL, /* senders */
1058 NULL, /* suffix */
1059 NULL, /* translate_ip_address */
1060 NULL, /* transport_name */
1061
1062 TRUE, /* address_test */
1063 #ifdef EXPERIMENTAL_BRIGHTMAIL
1064 FALSE, /* bmi_deliver_alternate */
1065 FALSE, /* bmi_deliver_default */
1066 FALSE, /* bmi_dont_deliver */
1067 #endif
1068 TRUE, /* expn */
1069 FALSE, /* caseful_local_part */
1070 FALSE, /* check_local_user */
1071 FALSE, /* disable_logging */
1072 FALSE, /* fail_verify_recipient */
1073 FALSE, /* fail_verify_sender */
1074 FALSE, /* gid_set */
1075 FALSE, /* initgroups */
1076 TRUE_UNSET, /* log_as_local */
1077 TRUE, /* more */
1078 FALSE, /* pass_on_timeout */
1079 FALSE, /* prefix_optional */
1080 TRUE, /* repeat_use */
1081 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1082 FALSE, /* same_domain_copy_routing */
1083 FALSE, /* self_rewrite */
1084 FALSE, /* suffix_optional */
1085 FALSE, /* verify_only */
1086 TRUE, /* verify_recipient */
1087 TRUE, /* verify_sender */
1088 FALSE, /* uid_set */
1089 FALSE, /* unseen */
1090
1091 self_freeze, /* self_code */
1092 (uid_t)(-1), /* uid */
1093 (gid_t)(-1), /* gid */
1094
1095 NULL, /* fallback_hostlist */
1096 NULL, /* transport instance */
1097 NULL, /* pass_router */
1098 NULL /* redirect_router */
1099 };
1100
1101 uschar *router_name = NULL;
1102
1103 ip_address_item *running_interfaces = NULL;
1104 BOOL running_in_test_harness = FALSE;
1105
1106 /* This is a weird one. The following string gets patched in the binary by the
1107 script that sets up a copy of Exim for running in the test harness. It seems
1108 that compilers are now clever, and share constant strings if they can.
1109 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1110 make use of the end of this string in order to save space. So the patching then
1111 wrecks this. We defeat this optimization by adding some additional characters
1112 onto the end of the string. */
1113
1114 uschar *running_status = US">>>running<<<" "\0EXTRA";
1115
1116 int runrc = 0;
1117
1118 uschar *search_error_message = NULL;
1119 BOOL search_find_defer = FALSE;
1120 uschar *self_hostname = NULL;
1121 uschar *sender_address = NULL;
1122 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1123 uschar *sender_address_data = NULL;
1124 BOOL sender_address_forced = FALSE;
1125 uschar *sender_address_unrewritten = NULL;
1126 uschar *sender_data = NULL;
1127 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1128 uschar *sender_fullhost = NULL;
1129 uschar *sender_helo_name = NULL;
1130 uschar **sender_host_aliases = &no_aliases;
1131 uschar *sender_host_address = NULL;
1132 uschar *sender_host_authenticated = NULL;
1133 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1134 BOOL sender_host_dnssec = FALSE;
1135 uschar *sender_host_name = NULL;
1136 int sender_host_port = 0;
1137 BOOL sender_host_notsocket = FALSE;
1138 BOOL sender_host_unknown = FALSE;
1139 uschar *sender_ident = NULL;
1140 BOOL sender_local = FALSE;
1141 BOOL sender_name_forced = FALSE;
1142 uschar *sender_rate = NULL;
1143 uschar *sender_rate_limit = NULL;
1144 uschar *sender_rate_period = NULL;
1145 uschar *sender_rcvhost = NULL;
1146 BOOL sender_set_untrusted = FALSE;
1147 uschar *sender_unqualified_hosts = NULL;
1148 uschar *sender_verify_failure = NULL;
1149 address_item *sender_verified_list = NULL;
1150 address_item *sender_verified_failed = NULL;
1151 int sender_verified_rc = -1;
1152 BOOL sender_verified_responded = FALSE;
1153 uschar *sending_ip_address = NULL;
1154 int sending_port = -1;
1155 SIGNAL_BOOL sigalrm_seen = FALSE;
1156 uschar **sighup_argv = NULL;
1157 int smtp_accept_count = 0;
1158 BOOL smtp_accept_keepalive = TRUE;
1159 int smtp_accept_max = 20;
1160 int smtp_accept_max_nonmail= 10;
1161 uschar *smtp_accept_max_nonmail_hosts = US"*";
1162 int smtp_accept_max_per_connection = 1000;
1163 uschar *smtp_accept_max_per_host = NULL;
1164 int smtp_accept_queue = 0;
1165 int smtp_accept_queue_per_connection = 10;
1166 int smtp_accept_reserve = 0;
1167 uschar *smtp_active_hostname = NULL;
1168 BOOL smtp_authenticated = FALSE;
1169 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1170 "Exim $version_number $tod_full"
1171 "\0<---------------Space to patch smtp_banner->";
1172 BOOL smtp_batched_input = FALSE;
1173 BOOL smtp_check_spool_space = TRUE;
1174 int smtp_ch_index = 0;
1175 uschar *smtp_cmd_argument = NULL;
1176 uschar *smtp_cmd_buffer = NULL;
1177 time_t smtp_connection_start = 0;
1178 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1179 int smtp_connect_backlog = 20;
1180 double smtp_delay_mail = 0.0;
1181 double smtp_delay_rcpt = 0.0;
1182 BOOL smtp_enforce_sync = TRUE;
1183 FILE *smtp_in = NULL;
1184 BOOL smtp_input = FALSE;
1185 int smtp_load_reserve = -1;
1186 int smtp_mailcmd_count = 0;
1187 FILE *smtp_out = NULL;
1188 uschar *smtp_etrn_command = NULL;
1189 BOOL smtp_etrn_serialize = TRUE;
1190 int smtp_max_synprot_errors= 3;
1191 int smtp_max_unknown_commands = 3;
1192 uschar *smtp_notquit_reason = NULL;
1193 uschar *smtp_ratelimit_hosts = NULL;
1194 uschar *smtp_ratelimit_mail = NULL;
1195 uschar *smtp_ratelimit_rcpt = NULL;
1196 uschar *smtp_read_error = US"";
1197 int smtp_receive_timeout = 5*60;
1198 uschar *smtp_reserve_hosts = NULL;
1199 BOOL smtp_return_error_details = FALSE;
1200 int smtp_rlm_base = 0;
1201 double smtp_rlm_factor = 0.0;
1202 int smtp_rlm_limit = 0;
1203 int smtp_rlm_threshold = INT_MAX;
1204 int smtp_rlr_base = 0;
1205 double smtp_rlr_factor = 0.0;
1206 int smtp_rlr_limit = 0;
1207 int smtp_rlr_threshold = INT_MAX;
1208 BOOL smtp_use_pipelining = FALSE;
1209 BOOL smtp_use_size = FALSE;
1210
1211 #ifdef WITH_CONTENT_SCAN
1212 uschar *spamd_address = US"127.0.0.1 783";
1213 uschar *spam_bar = NULL;
1214 uschar *spam_report = NULL;
1215 uschar *spam_score = NULL;
1216 uschar *spam_score_int = NULL;
1217 #endif
1218 #ifdef EXPERIMENTAL_SPF
1219 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1220 uschar *spf_header_comment = NULL;
1221 uschar *spf_received = NULL;
1222 uschar *spf_result = NULL;
1223 uschar *spf_smtp_comment = NULL;
1224 #endif
1225
1226 BOOL split_spool_directory = FALSE;
1227 uschar *spool_directory = US SPOOL_DIRECTORY
1228 "\0<--------------Space to patch spool_directory->";
1229 #ifdef EXPERIMENTAL_SRS
1230 uschar *srs_config = NULL;
1231 uschar *srs_db_address = NULL;
1232 uschar *srs_db_key = NULL;
1233 int srs_hashlength = 6;
1234 int srs_hashmin = -1;
1235 int srs_maxage = 31;
1236 uschar *srs_orig_recipient = NULL;
1237 uschar *srs_orig_sender = NULL;
1238 uschar *srs_recipient = NULL;
1239 uschar *srs_secrets = NULL;
1240 uschar *srs_status = NULL;
1241 BOOL srs_usehash = TRUE;
1242 BOOL srs_usetimestamp = TRUE;
1243 #endif
1244 BOOL strict_acl_vars = FALSE;
1245 int string_datestamp_offset= -1;
1246 int string_datestamp_length= 0;
1247 int string_datestamp_type = -1;
1248 BOOL strip_excess_angle_brackets = FALSE;
1249 BOOL strip_trailing_dot = FALSE;
1250 uschar *submission_domain = NULL;
1251 BOOL submission_mode = FALSE;
1252 uschar *submission_name = NULL;
1253 BOOL suppress_local_fixups = FALSE;
1254 BOOL suppress_local_fixups_default = FALSE;
1255 BOOL synchronous_delivery = FALSE;
1256 BOOL syslog_duplication = TRUE;
1257 int syslog_facility = LOG_MAIL;
1258 uschar *syslog_processname = US"exim";
1259 BOOL syslog_timestamp = TRUE;
1260 uschar *system_filter = NULL;
1261
1262 uschar *system_filter_directory_transport = NULL;
1263 uschar *system_filter_file_transport = NULL;
1264 uschar *system_filter_pipe_transport = NULL;
1265 uschar *system_filter_reply_transport = NULL;
1266
1267 gid_t system_filter_gid = 0;
1268 BOOL system_filter_gid_set = FALSE;
1269 uid_t system_filter_uid = (uid_t)-1;
1270 BOOL system_filter_uid_set = FALSE;
1271 BOOL system_filtering = FALSE;
1272
1273 BOOL tcp_nodelay = TRUE;
1274 #ifdef USE_TCP_WRAPPERS
1275 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1276 #endif
1277 int test_harness_load_avg = 0;
1278 int thismessage_size_limit = 0;
1279 int timeout_frozen_after = 0;
1280 BOOL timestamps_utc = FALSE;
1281
1282 transport_instance *transports = NULL;
1283
1284 transport_instance transport_defaults = {
1285 NULL, /* chain pointer */
1286 NULL, /* name */
1287 NULL, /* info */
1288 NULL, /* private options block pointer */
1289 NULL, /* driver name */
1290 NULL, /* setup entry point */
1291 1, /* batch_max */
1292 NULL, /* batch_id */
1293 NULL, /* home_dir */
1294 NULL, /* current_dir */
1295 TRUE, /* multi-domain */
1296 FALSE, /* overrides_hosts */
1297 100, /* max_addresses */
1298 500, /* connection_max_messages */
1299 FALSE, /* deliver_as_creator */
1300 FALSE, /* disable_logging */
1301 FALSE, /* initgroups */
1302 FALSE, /* uid_set */
1303 FALSE, /* gid_set */
1304 (uid_t)(-1), /* uid */
1305 (gid_t)(-1), /* gid */
1306 NULL, /* expand_uid */
1307 NULL, /* expand_gid */
1308 NULL, /* warn_message */
1309 NULL, /* shadow */
1310 NULL, /* shadow_condition */
1311 NULL, /* filter_command */
1312 NULL, /* add_headers */
1313 NULL, /* remove_headers */
1314 NULL, /* return_path */
1315 NULL, /* debug_string */
1316 NULL, /* message_size_limit */
1317 NULL, /* headers_rewrite */
1318 NULL, /* rewrite_rules */
1319 0, /* rewrite_existflags */
1320 300, /* filter_timeout */
1321 FALSE, /* body_only */
1322 FALSE, /* delivery_date_add */
1323 FALSE, /* envelope_to_add */
1324 FALSE, /* headers_only */
1325 FALSE, /* rcpt_include_affixes */
1326 FALSE, /* return_path_add */
1327 FALSE, /* return_output */
1328 FALSE, /* return_fail_output */
1329 FALSE, /* log_output */
1330 FALSE, /* log_fail_output */
1331 FALSE, /* log_defer_output */
1332 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1333 1 nor 0 so can detect unset */
1334 };
1335
1336 int transport_count;
1337 uschar *transport_name = NULL;
1338 int transport_newlines;
1339 uschar **transport_filter_argv = NULL;
1340 int transport_filter_timeout;
1341 BOOL transport_filter_timed_out = FALSE;
1342 int transport_write_timeout= 0;
1343
1344 tree_node *tree_dns_fails = NULL;
1345 tree_node *tree_duplicates = NULL;
1346 tree_node *tree_nonrecipients = NULL;
1347 tree_node *tree_unusable = NULL;
1348
1349 BOOL trusted_caller = FALSE;
1350 BOOL trusted_config = TRUE;
1351 gid_t *trusted_groups = NULL;
1352 uid_t *trusted_users = NULL;
1353 uschar *timezone_string = US TIMEZONE_DEFAULT;
1354
1355 uschar *unknown_login = NULL;
1356 uschar *unknown_username = NULL;
1357 uschar *untrusted_set_sender = NULL;
1358
1359 /* A regex for matching a "From_" line in an incoming message, in the form
1360
1361 From ph10 Fri Jan 5 12:35 GMT 1996
1362
1363 which the "mail" commands send to the MTA (undocumented, of course), or in
1364 the form
1365
1366 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1367
1368 which is apparently used by some UUCPs, despite it not being in RFC 976.
1369 Because of variations in time formats, just match up to the minutes. That
1370 should be sufficient. Examples have been seen of time fields like 12:1:03,
1371 so just require one digit for hours and minutes. The weekday is also absent
1372 in some forms. */
1373
1374 uschar *uucp_from_pattern = US
1375 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1376 "(?:" /* Non-extracting bracket */
1377 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1378 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1379 ")" /* End alternation */
1380 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1381
1382 uschar *uucp_from_sender = US"$1";
1383
1384 uschar *warn_message_file = NULL;
1385 uschar *warnmsg_delay = NULL;
1386 uschar *warnmsg_recipients = NULL;
1387 BOOL write_rejectlog = TRUE;
1388
1389 uschar *version_copyright =
1390 US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1391 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1392 uschar *version_date = US"?";
1393 uschar *version_cnumber = US"????";
1394 uschar *version_string = US"?";
1395
1396 int warning_count = 0;
1397
1398 /* End of globals.c */
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