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