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Get TLS SNI server-switching working with GnuTLS.
[exim.git] / src / src / globals.c
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
0a49a7a4 5/* Copyright (c) University of Cambridge 1995 - 2009 */
059ec3d9
PH		 6/* See the file NOTICE for conditions of use and distribution. */
7
8/* All the global variables are defined together in this one module, so
9that they are easy to find. */
10
11#include "exim.h"
12
13
059ec3d9
PH		 14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist optionlist_auths[] = {
6c512171
PH		 18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
059ec3d9
PH		 20 { "driver", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, driver_name)) },
22 { "public_name", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, public_name)) },
24 { "server_advertise_condition", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, advertise_condition))},
16ff981e
PH		 26 { "server_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, server_condition)) },
059ec3d9
PH		 28 { "server_debug_print", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_debug_string)) },
30 { "server_mail_auth_condition", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, mail_auth_condition)) },
32 { "server_set_id", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, set_id)) }
34};
35
36int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
37
38/* An empty host aliases list. */
39
40uschar *no_aliases = NULL;
41
42
43/* For comments on these variables, see globals.h. I'm too idle to
44duplicate them here... */
45
46#ifdef EXIM_PERL
47uschar *opt_perl_startup = NULL;
48BOOL opt_perl_at_start = FALSE;
49BOOL opt_perl_started = FALSE;
50#endif
51
1a46a8c5
PH		 52#ifdef EXPAND_DLFUNC
53tree_node *dlobj_anchor = NULL;
54#endif
55
059ec3d9
PH		 56#ifdef LOOKUP_IBASE
57uschar *ibase_servers = NULL;
58#endif
59
60#ifdef LOOKUP_LDAP
bc19a55b
PP		 61uschar *eldap_ca_cert_dir = NULL;
62uschar *eldap_ca_cert_file = NULL;
63uschar *eldap_cert_file = NULL;
64uschar *eldap_cert_key = NULL;
65uschar *eldap_cipher_suite = NULL;
059ec3d9 66uschar *eldap_default_servers = NULL;
bc19a55b 67uschar *eldap_require_cert = NULL;
059ec3d9 68int eldap_version = -1;
bc19a55b 69BOOL eldap_start_tls = FALSE;
059ec3d9
PH		 70#endif
71
72#ifdef LOOKUP_MYSQL
73uschar *mysql_servers = NULL;
74#endif
75
76#ifdef LOOKUP_ORACLE
77uschar *oracle_servers = NULL;
78#endif
79
80#ifdef LOOKUP_PGSQL
81uschar *pgsql_servers = NULL;
82#endif
83
31480e42
PH		 84#ifdef LOOKUP_SQLITE
85int sqlite_lock_timeout = 5;
86#endif
87
059ec3d9
PH		 88#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
89BOOL move_frozen_messages = FALSE;
90#endif
91
92/* These variables are outside the #ifdef because it keeps the code less
93cluttered in several places (e.g. during logging) if we can always refer to
94them. Also, the tls_ variables are now always visible. */
95
96BOOL tls_active = -1;
edc33b5f 97int tls_bits = 0;
059ec3d9
PH		 98BOOL tls_certificate_verified = FALSE;
99uschar *tls_cipher = NULL;
100BOOL tls_on_connect = FALSE;
101uschar *tls_on_connect_ports = NULL;
102uschar *tls_peerdn = NULL;
103
104#ifdef SUPPORT_TLS
e6060e2c 105BOOL gnutls_compat_mode = FALSE;
83da1223
PH		 106uschar *gnutls_require_mac = NULL;
107uschar *gnutls_require_kx = NULL;
108uschar *gnutls_require_proto = NULL;
77bb000f 109uschar *openssl_options = NULL;
059ec3d9
PH		 110const pcre *regex_STARTTLS = NULL;
111uschar *tls_advertise_hosts = NULL; /* This is deliberate */
112uschar *tls_certificate = NULL;
113uschar *tls_crl = NULL;
114uschar *tls_dhparam = NULL;
3f7eeb86
PP		 115#if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
116uschar *tls_ocsp_file = NULL;
117#endif
059ec3d9
PH		 118BOOL tls_offered = FALSE;
119uschar *tls_privatekey = NULL;
120BOOL tls_remember_esmtp = FALSE;
121uschar *tls_require_ciphers = NULL;
7be682ca 122uschar *tls_sni = NULL;
059ec3d9
PH		 123uschar *tls_try_verify_hosts = NULL;
124uschar *tls_verify_certificates= NULL;
125uschar *tls_verify_hosts = NULL;
126#endif
127
128
129/* Input-reading functions for messages, so we can use special ones for
130incoming TCP/IP. The defaults use stdin. We never need these for any
131stand-alone tests. */
132
133#ifndef STAND_ALONE
134int (*receive_getc)(void) = stdin_getc;
135int (*receive_ungetc)(int) = stdin_ungetc;
136int (*receive_feof)(void) = stdin_feof;
137int (*receive_ferror)(void) = stdin_ferror;
58eb016e 138BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
059ec3d9
PH		 139#endif
140
141
142/* List of per-address expansion variables for clearing and saving/restoring
143when verifying one address while routing/verifying another. We have to have
144the size explicit, because it is referenced from more than one module. */
145
146uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
147 &deliver_address_data,
148 &deliver_domain,
149 &deliver_domain_data,
150 &deliver_domain_orig,
151 &deliver_domain_parent,
152 &deliver_localpart,
153 &deliver_localpart_data,
154 &deliver_localpart_orig,
155 &deliver_localpart_parent,
156 &deliver_localpart_prefix,
157 &deliver_localpart_suffix,
158 (uschar **)(&deliver_recipients),
159 &deliver_host,
160 &deliver_home,
161 &address_file,
162 &address_pipe,
163 &self_hostname,
164 NULL };
165
166int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
167
168/* General global variables */
169
71fafd95 170header_line *acl_added_headers = NULL;
059ec3d9 171tree_node *acl_anchor = NULL;
8f128379 172
059ec3d9 173uschar *acl_not_smtp = NULL;
54cdb463
PH		 174#ifdef WITH_CONTENT_SCAN
175uschar *acl_not_smtp_mime = NULL;
176#endif
45b91596 177uschar *acl_not_smtp_start = NULL;
8f128379 178
059ec3d9
PH		 179uschar *acl_smtp_auth = NULL;
180uschar *acl_smtp_connect = NULL;
181uschar *acl_smtp_data = NULL;
80a47a2c
TK		 182#ifndef DISABLE_DKIM
183uschar *acl_smtp_dkim = NULL;
184#endif
059ec3d9
PH		 185uschar *acl_smtp_etrn = NULL;
186uschar *acl_smtp_expn = NULL;
187uschar *acl_smtp_helo = NULL;
188uschar *acl_smtp_mail = NULL;
189uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 190#ifdef WITH_CONTENT_SCAN
191uschar *acl_smtp_mime = NULL;
192#endif
8f128379 193uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 194uschar *acl_smtp_predata = NULL;
195uschar *acl_smtp_quit = NULL;
196uschar *acl_smtp_rcpt = NULL;
197uschar *acl_smtp_starttls = NULL;
198uschar *acl_smtp_vrfy = NULL;
8f128379 199
059ec3d9 200BOOL acl_temp_details = FALSE;
38a0a95f
PH		 201tree_node *acl_var_c = NULL;
202tree_node *acl_var_m = NULL;
059ec3d9 203uschar *acl_verify_message = NULL;
059ec3d9
PH		 204string_item *acl_warn_logged = NULL;
205
206/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
207error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
208
209uschar *acl_wherenames[] = { US"RCPT",
210 US"MAIL",
211 US"PREDATA",
8523533c 212 US"MIME",
80a47a2c 213 US"DKIM",
059ec3d9
PH		 214 US"DATA",
215 US"non-SMTP",
216 US"AUTH",
217 US"connection",
218 US"ETRN",
219 US"EXPN",
220 US"EHLO or HELO",
221 US"MAILAUTH",
45b91596 222 US"non-SMTP-start",
8f128379 223 US"NOTQUIT",
059ec3d9
PH		 224 US"QUIT",
225 US"STARTTLS",
226 US"VRFY"
227 };
228
a5bd321b
PH		 229uschar *acl_wherecodes[] = { US"550", /* RCPT */
230 US"550", /* MAIL */
231 US"550", /* PREDATA */
232 US"550", /* MIME */
80a47a2c 233 US"550", /* DKIM */
a5bd321b
PH		 234 US"550", /* DATA */
235 US"0", /* not SMTP; not relevant */
236 US"503", /* AUTH */
237 US"550", /* connect */
238 US"458", /* ETRN */
239 US"550", /* EXPN */
240 US"550", /* HELO/EHLO */
241 US"0", /* MAILAUTH; not relevant */
242 US"0", /* not SMTP; not relevant */
8f128379 243 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 244 US"0", /* QUIT; not relevant */
245 US"550", /* STARTTLS */
246 US"252" /* VRFY */
059ec3d9 247 };
8e669ac1 248
69358f02
PH		 249BOOL active_local_from_check = FALSE;
250BOOL active_local_sender_retain = FALSE;
9cbad13b 251BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
059ec3d9
PH		 252address_item *addr_duplicate = NULL;
253
254address_item address_defaults = {
255 NULL, /* next */
256 NULL, /* parent */
257 NULL, /* first */
258 NULL, /* dupof */
259 NULL, /* start_router */
260 NULL, /* router */
261 NULL, /* transport */
262 NULL, /* host_list */
263 NULL, /* host_used */
264 NULL, /* fallback_hosts */
265 NULL, /* reply */
266 NULL, /* retries */
267 NULL, /* address */
268 NULL, /* unique */
269 NULL, /* cc_local_part */
270 NULL, /* lc_local_part */
271 NULL, /* local_part */
272 NULL, /* prefix */
273 NULL, /* suffix */
274 NULL, /* domain */
275 NULL, /* address_retry_key */
276 NULL, /* domain_retry_key */
277 NULL, /* current_dir */
278 NULL, /* home_dir */
279 NULL, /* message */
280 NULL, /* user_message */
281 NULL, /* onetime_parent */
282 NULL, /* pipe_expandn */
283 NULL, /* return_filename */
284 NULL, /* self_hostname */
285 NULL, /* shadow_message */
286 #ifdef SUPPORT_TLS
287 NULL, /* cipher */
288 NULL, /* peerdn */
289 #endif
290 (uid_t)(-1), /* uid */
291 (gid_t)(-1), /* gid */
292 0, /* flags */
293 { 0 }, /* domain_cache - any larger array should be zeroed */
294 { 0 }, /* localpart_cache - ditto */
295 -1, /* mode */
296 0, /* more_errno */
297 ERRNO_UNKNOWNERROR, /* basic_errno */
298 0, /* child_count */
299 -1, /* return_file */
300 SPECIAL_NONE, /* special_action */
301 DEFER, /* transport_return */
302 { /* fields that are propagated to children */
303 NULL, /* address_data */
304 NULL, /* domain_data */
305 NULL, /* localpart_data */
306 NULL, /* errors_address */
307 NULL, /* extra_headers */
308 NULL, /* remove_headers */
384152a6
TK		 309#ifdef EXPERIMENTAL_SRS
310 NULL, /* srs_sender */
311#endif
059ec3d9
PH		 312 }
313};
314
315uschar *address_file = NULL;
316uschar *address_pipe = NULL;
317BOOL address_test_mode = FALSE;
318tree_node *addresslist_anchor = NULL;
319int addresslist_count = 0;
320gid_t *admin_groups = NULL;
321BOOL admin_user = FALSE;
c46782ef 322BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH		 323BOOL allow_domain_literals = FALSE;
324BOOL allow_mx_to_ip = FALSE;
325BOOL allow_unqualified_recipient = TRUE; /* For local messages */
326BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
327BOOL allow_utf8_domains = FALSE;
328uschar *authenticated_id = NULL;
329uschar *authenticated_sender = NULL;
330BOOL authentication_failed = FALSE;
331auth_instance *auths = NULL;
332uschar *auth_advertise_hosts = US"*";
333auth_instance auth_defaults = {
334 NULL, /* chain pointer */
335 NULL, /* name */
336 NULL, /* info */
337 NULL, /* private options block pointer */
338 NULL, /* driver_name */
339 NULL, /* advertise_condition */
6c512171 340 NULL, /* client_condition */
059ec3d9
PH		 341 NULL, /* public_name */
342 NULL, /* set_id */
343 NULL, /* server_mail_auth_condition */
344 NULL, /* server_debug_string */
16ff981e 345 NULL, /* server_condition */
059ec3d9
PH		 346 FALSE, /* client */
347 FALSE, /* server */
348 FALSE /* advertised */
349};
350
351uschar *auth_defer_msg = US"reason not recorded";
352uschar *auth_defer_user_msg = US"";
f78eb7c6 353uschar *auth_vars[AUTH_VARS];
059ec3d9 354int auto_thaw = 0;
8523533c 355#ifdef WITH_CONTENT_SCAN
9e949f00 356BOOL av_failed = FALSE;
8523533c
TK		 357uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
358#endif
059ec3d9
PH		 359
360BOOL background_daemon = TRUE;
9a799bc0
PH		 361
362#if BASE_62 == 62
059ec3d9
PH		 363uschar *base62_chars=
364 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 365#else
366uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
367#endif
368
059ec3d9
PH		 369uschar *bi_command = NULL;
370uschar *big_buffer = NULL;
371int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 372#ifdef EXPERIMENTAL_BRIGHTMAIL
373uschar *bmi_alt_location = NULL;
374uschar *bmi_base64_tracker_verdict = NULL;
375uschar *bmi_base64_verdict = NULL;
376uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
377int bmi_deliver = 1;
378int bmi_run = 0;
379uschar *bmi_verdicts = NULL;
380#endif
059ec3d9
PH		 381int body_linecount = 0;
382int body_zerocount = 0;
383uschar *bounce_message_file = NULL;
384uschar *bounce_message_text = NULL;
385uschar *bounce_recipient = NULL;
386BOOL bounce_return_body = TRUE;
387BOOL bounce_return_message = TRUE;
388int bounce_return_size_limit = 100*1024;
389uschar *bounce_sender_authentication = NULL;
390int bsmtp_transaction_linecount = 0;
391
392int callout_cache_domain_positive_expire = 7*24*60*60;
393int callout_cache_domain_negative_expire = 3*60*60;
394int callout_cache_positive_expire = 24*60*60;
395int callout_cache_negative_expire = 2*60*60;
396uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 397uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
059ec3d9
PH		 398int check_log_inodes = 0;
399int check_log_space = 0;
a0d6ba8a 400BOOL check_rfc2047_length = TRUE;
059ec3d9
PH		 401int check_spool_inodes = 0;
402int check_spool_space = 0;
403int clmacro_count = 0;
404uschar *clmacros[MAX_CLMACROS];
405BOOL config_changed = FALSE;
406FILE *config_file = NULL;
407uschar *config_filename = NULL;
408int config_lineno = 0;
35edf2ff
PH		 409#ifdef CONFIGURE_GROUP
410gid_t config_gid = CONFIGURE_GROUP;
411#endif
059ec3d9
PH		 412uschar *config_main_filelist = US CONFIGURE_FILE
413 "\0<-----------Space to patch configure_filename->";
414uschar *config_main_filename = NULL;
415
416#ifdef CONFIGURE_OWNER
417uid_t config_uid = CONFIGURE_OWNER;
418#endif
419
420int connection_max_messages= -1;
421uschar *continue_hostname = NULL;
422uschar *continue_host_address = NULL;
423BOOL continue_more = FALSE;
424int continue_sequence = 1;
425uschar *continue_transport = NULL;
426
e5a9dba6
PH		 427uschar *csa_status = NULL;
428
059ec3d9
PH		 429BOOL daemon_listen = FALSE;
430uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 431int daemon_startup_retries = 9;
432int daemon_startup_sleep = 30;
6a8f9482
TK		 433
434#ifdef EXPERIMENTAL_DCC
435BOOL dcc_direct_add_header = FALSE;
436uschar *dcc_header = NULL;
437uschar *dcc_result = NULL;
438uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
439uschar *dccifd_options = US"header";
440#endif
441
3d235903 442BOOL debug_daemon = FALSE;
059ec3d9
PH		 443int debug_fd = -1;
444FILE *debug_file = NULL;
445bit_table debug_options[] = {
446 { US"acl", D_acl },
447 { US"all", D_all },
448 { US"auth", D_auth },
449 { US"deliver", D_deliver },
450 { US"dns", D_dns },
451 { US"dnsbl", D_dnsbl },
452 { US"exec", D_exec },
453 { US"expand", D_expand },
454 { US"filter", D_filter },
455 { US"hints_lookup", D_hints_lookup },
456 { US"host_lookup", D_host_lookup },
457 { US"ident", D_ident },
458 { US"interface", D_interface },
459 { US"lists", D_lists },
460 { US"load", D_load },
461 { US"local_scan", D_local_scan },
462 { US"lookup", D_lookup },
463 { US"memory", D_memory },
464 { US"pid", D_pid },
465 { US"process_info", D_process_info },
466 { US"queue_run", D_queue_run },
467 { US"receive", D_receive },
468 { US"resolver", D_resolver },
469 { US"retry", D_retry },
470 { US"rewrite", D_rewrite },
471 { US"route", D_route },
472 { US"timestamp", D_timestamp },
473 { US"tls", D_tls },
474 { US"transport", D_transport },
475 { US"uid", D_uid },
476 { US"verify", D_verify }
477};
478int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
479unsigned int debug_selector = 0;
480int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 481uschar *delay_warning_condition=
482 US"${if or {"
e85a7ad5 483 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 484 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
485 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
486 "} {no}{yes}}";
059ec3d9
PH		 487BOOL delivery_date_remove = TRUE;
488uschar *deliver_address_data = NULL;
489int deliver_datafile = -1;
490uschar *deliver_domain = NULL;
491uschar *deliver_domain_data = NULL;
492uschar *deliver_domain_orig = NULL;
493uschar *deliver_domain_parent = NULL;
494BOOL deliver_drop_privilege = FALSE;
495BOOL deliver_firsttime = FALSE;
496BOOL deliver_force = FALSE;
497BOOL deliver_freeze = FALSE;
498int deliver_frozen_at = 0;
499uschar *deliver_home = NULL;
500uschar *deliver_host = NULL;
501uschar *deliver_host_address = NULL;
502uschar *deliver_in_buffer = NULL;
503ino_t deliver_inode = 0;
504uschar *deliver_localpart = NULL;
505uschar *deliver_localpart_data = NULL;
506uschar *deliver_localpart_orig = NULL;
507uschar *deliver_localpart_parent = NULL;
508uschar *deliver_localpart_prefix = NULL;
509uschar *deliver_localpart_suffix = NULL;
510BOOL deliver_force_thaw = FALSE;
511BOOL deliver_manual_thaw = FALSE;
512uschar *deliver_out_buffer = NULL;
513int deliver_queue_load_max = -1;
514address_item *deliver_recipients = NULL;
515uschar *deliver_selectstring = NULL;
516BOOL deliver_selectstring_regex = FALSE;
517uschar *deliver_selectstring_sender = NULL;
518BOOL deliver_selectstring_sender_regex = FALSE;
8523533c
TK		 519#ifdef WITH_OLD_DEMIME
520int demime_errorlevel = 0;
521int demime_ok = 0;
522uschar *demime_reason = NULL;
523#endif
4c590bd1 524BOOL disable_callout_flush = FALSE;
047bdd8c 525BOOL disable_delay_flush = FALSE;
54fc8428
PH		 526#ifdef ENABLE_DISABLE_FSYNC
527BOOL disable_fsync = FALSE;
528#endif
7e66e54d 529BOOL disable_ipv6 = FALSE;
059ec3d9
PH		 530BOOL disable_logging = FALSE;
531
80a47a2c 532#ifndef DISABLE_DKIM
2df588c9 533uschar *dkim_cur_signer = NULL;
9e5d6b55 534uschar *dkim_signers = NULL;
f7572e5a
TK		 535uschar *dkim_signing_domain = NULL;
536uschar *dkim_signing_selector = NULL;
9e5d6b55 537uschar *dkim_verify_signers = US"$dkim_signers";
80a47a2c
TK		 538BOOL dkim_collect_input = FALSE;
539BOOL dkim_disable_verify = FALSE;
f7572e5a
TK		 540#endif
541
059ec3d9 542uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH		 543int dns_csa_search_limit = 5;
544BOOL dns_csa_use_reverse = TRUE;
059ec3d9
PH		 545uschar *dns_ipv4_lookup = NULL;
546int dns_retrans = 0;
547int dns_retry = 0;
e97d1f08 548int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 549uschar *dnslist_domain = NULL;
93655c46 550uschar *dnslist_matched = NULL;
059ec3d9
PH		 551uschar *dnslist_text = NULL;
552uschar *dnslist_value = NULL;
553tree_node *domainlist_anchor = NULL;
554int domainlist_count = 0;
555BOOL dont_deliver = FALSE;
556BOOL dot_ends = TRUE;
557BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 558uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH		 559
560BOOL enable_dollar_recipients = FALSE;
561BOOL envelope_to_remove = TRUE;
562int errno_quota = ERRNO_QUOTA;
563uschar *errors_copy = NULL;
564int error_handling = ERRORS_SENDER;
565uschar *errors_reply_to = NULL;
566int errors_sender_rc = EXIT_FAILURE;
567
568gid_t exim_gid = EXIM_GID;
569BOOL exim_gid_set = TRUE; /* This gid is always set */
570uschar *exim_path = US BIN_DIRECTORY "/exim"
571 "\0<---------------Space to patch exim_path->";
572uid_t exim_uid = EXIM_UID;
573BOOL exim_uid_set = TRUE; /* This uid is always set */
574int expand_forbid = 0;
575int expand_nlength[EXPAND_MAXN+1];
576int expand_nmax = -1;
577uschar *expand_nstring[EXPAND_MAXN+1];
578BOOL expand_string_forcedfail = FALSE;
579uschar *expand_string_message;
580BOOL extract_addresses_remove_arguments = TRUE;
581uschar *extra_local_interfaces = NULL;
582
29aba418 583int fake_response = OK;
0e22dfd1
PH		 584uschar *fake_response_text = US"Your message has been rejected but is "
585 "being kept for evaluation.\nIf it was a "
586 "legitimate message, it may still be "
587 "delivered to the target recipient(s).";
059ec3d9
PH		 588int filter_n[FILTER_VARIABLE_COUNT];
589BOOL filter_running = FALSE;
590int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 591int filter_test = FTEST_NONE;
592uschar *filter_test_sfile = NULL;
593uschar *filter_test_ufile = NULL;
059ec3d9
PH		 594uschar *filter_thisaddress = NULL;
595int finduser_retries = 0;
8523533c
TK		 596#ifdef WITH_OLD_DEMIME
597uschar *found_extension = NULL;
598#endif
059ec3d9
PH		 599uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
600uschar *freeze_tell = NULL;
6a3f1455 601uschar *freeze_tell_config = NULL;
059ec3d9
PH		 602uschar *fudged_queue_times = US"";
603
604uschar *gecos_name = NULL;
605uschar *gecos_pattern = NULL;
606rewrite_rule *global_rewrite_rules = NULL;
607
608uschar *headers_charset = US HEADERS_CHARSET;
609int header_insert_maxlen = 64 * 1024;
610header_line *header_last = NULL;
611header_line *header_list = NULL;
612int header_maxsize = HEADER_MAXSIZE;
613int header_line_maxsize = 0;
614
615header_name header_names[] = {
616 { US"bcc", 3, TRUE, htype_bcc },
617 { US"cc", 2, TRUE, htype_cc },
618 { US"date", 4, TRUE, htype_date },
619 { US"delivery-date", 13, FALSE, htype_delivery_date },
620 { US"envelope-to", 11, FALSE, htype_envelope_to },
621 { US"from", 4, TRUE, htype_from },
622 { US"message-id", 10, TRUE, htype_id },
623 { US"received", 8, FALSE, htype_received },
624 { US"reply-to", 8, FALSE, htype_reply_to },
625 { US"return-path", 11, FALSE, htype_return_path },
626 { US"sender", 6, TRUE, htype_sender },
627 { US"subject", 7, FALSE, htype_subject },
628 { US"to", 2, TRUE, htype_to }
629};
630
631int header_names_size = sizeof(header_names)/sizeof(header_name);
632
633BOOL header_rewritten = FALSE;
634uschar *helo_accept_junk_hosts = NULL;
635uschar *helo_allow_chars = US"";
636uschar *helo_lookup_domains = US"@ : @[]";
637uschar *helo_try_verify_hosts = NULL;
638BOOL helo_verified = FALSE;
d7b47fd0 639BOOL helo_verify_failed = FALSE;
059ec3d9 640uschar *helo_verify_hosts = NULL;
1ba28e2b 641const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH		 642uschar *hold_domains = NULL;
643BOOL host_checking = FALSE;
644BOOL host_checking_callout = FALSE;
645uschar *host_data = NULL;
646BOOL host_find_failed_syntax= FALSE;
647uschar *host_lookup = NULL;
b08b24c8 648BOOL host_lookup_deferred = FALSE;
059ec3d9
PH		 649BOOL host_lookup_failed = FALSE;
650uschar *host_lookup_order = US"bydns:byaddr";
651uschar *host_lookup_msg = US"";
652int host_number = 0;
653uschar *host_number_string = NULL;
654uschar *host_reject_connection = NULL;
655tree_node *hostlist_anchor = NULL;
656int hostlist_count = 0;
657uschar *hosts_treat_as_local = NULL;
658uschar *hosts_connection_nolog = NULL;
659
660int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
661BOOL ignore_fromline_local = FALSE;
662uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP		 663BOOL inetd_wait_mode = FALSE;
664int inetd_wait_timeout = -1;
059ec3d9
PH		 665uschar *interface_address = NULL;
666int interface_port = -1;
667BOOL is_inetd = FALSE;
0ce9abe6 668uschar *iterate_item = NULL;
059ec3d9
PH		 669
670int journal_fd = -1;
671
672int keep_malformed = 4*24*60*60; /* 4 days */
673
674uschar *eldap_dn = NULL;
675int load_average = -2;
676BOOL local_error_message = FALSE;
677BOOL local_from_check = TRUE;
678uschar *local_from_prefix = NULL;
679uschar *local_from_suffix = NULL;
680
681#if HAVE_IPV6
682uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
683#else
684uschar *local_interfaces = US"0.0.0.0";
685#endif
686
687uschar *local_scan_data = NULL;
688int local_scan_timeout = 5*60;
689BOOL local_sender_retain = FALSE;
690gid_t local_user_gid = (gid_t)(-1);
691uid_t local_user_uid = (uid_t)(-1);
692
693tree_node *localpartlist_anchor= NULL;
694int localpartlist_count = 0;
695uschar *log_buffer = NULL;
696unsigned int log_extra_selector = LX_default;
697uschar *log_file_path = US LOG_FILE_PATH
698 "\0<--------------Space to patch log_file_path->";
699
700/* Those log options with L_xxx identifiers have values less than 0x800000 and
701are the ones that get put into log_write_selector. They can be used in calls to
702log_write() to test for the bit. The options with LX_xxx identifiers have
3f0945ff 703values greater than 0x80000000 and are put into log_extra_selector (without the
059ec3d9
PH		 704top bit). They are never used in calls to log_write(), but are tested
705independently. This separation became necessary when the number of log
706selectors was getting close to filling a 32-bit word. */
707
f3f065bb
PH		 708/* Note that this list must be in alphabetical order. */
709
059ec3d9 710bit_table log_options[] = {
49826d12 711 { US"acl_warn_skipped", LX_acl_warn_skipped },
059ec3d9
PH		 712 { US"address_rewrite", L_address_rewrite },
713 { US"all", L_all },
714 { US"all_parents", L_all_parents },
715 { US"arguments", LX_arguments },
716 { US"connection_reject", L_connection_reject },
717 { US"delay_delivery", L_delay_delivery },
718 { US"deliver_time", LX_deliver_time },
719 { US"delivery_size", LX_delivery_size },
720 { US"dnslist_defer", L_dnslist_defer },
721 { US"etrn", L_etrn },
722 { US"host_lookup_failed", L_host_lookup_failed },
723 { US"ident_timeout", LX_ident_timeout },
724 { US"incoming_interface", LX_incoming_interface },
725 { US"incoming_port", LX_incoming_port },
726 { US"lost_incoming_connection", L_lost_incoming_connection },
727 { US"outgoing_port", LX_outgoing_port },
f3f065bb 728 { US"pid", LX_pid },
059ec3d9
PH		 729 { US"queue_run", L_queue_run },
730 { US"queue_time", LX_queue_time },
2ac0e484 731 { US"queue_time_overall", LX_queue_time_overall },
059ec3d9
PH		 732 { US"received_recipients", LX_received_recipients },
733 { US"received_sender", LX_received_sender },
734 { US"rejected_header", LX_rejected_header },
735 { US"rejected_headers", LX_rejected_header },
736 { US"retry_defer", L_retry_defer },
737 { US"return_path_on_delivery", LX_return_path_on_delivery },
738 { US"sender_on_delivery", LX_sender_on_delivery },
278c6e6c 739 { US"sender_verify_fail", LX_sender_verify_fail },
059ec3d9
PH		 740 { US"size_reject", L_size_reject },
741 { US"skip_delivery", L_skip_delivery },
742 { US"smtp_confirmation", LX_smtp_confirmation },
743 { US"smtp_connection", L_smtp_connection },
744 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
b4ed4da0 745 { US"smtp_no_mail", LX_smtp_no_mail },
059ec3d9
PH		 746 { US"smtp_protocol_error", L_smtp_protocol_error },
747 { US"smtp_syntax_error", L_smtp_syntax_error },
748 { US"subject", LX_subject },
749 { US"tls_certificate_verified", LX_tls_certificate_verified },
750 { US"tls_cipher", LX_tls_cipher },
1130bfb0 751 { US"tls_peerdn", LX_tls_peerdn },
3f0945ff 752 { US"tls_sni", LX_tls_sni },
1130bfb0 753 { US"unknown_in_list", LX_unknown_in_list }
059ec3d9
PH		 754};
755
756int log_options_count = sizeof(log_options)/sizeof(bit_table);
6ea85e9a 757int log_reject_target = 0;
059ec3d9
PH		 758uschar *log_selector_string = NULL;
759FILE *log_stderr = NULL;
760BOOL log_testing_mode = FALSE;
761BOOL log_timezone = FALSE;
6ea85e9a 762unsigned int log_write_selector= L_default;
059ec3d9
PH		 763uschar *login_sender_address = NULL;
764int lookup_open_max = 25;
765uschar *lookup_value = NULL;
766
767macro_item *macros = NULL;
768uschar *mailstore_basename = NULL;
8523533c
TK		 769#ifdef WITH_CONTENT_SCAN
770uschar *malware_name = NULL; /* Virus Name */
771#endif
d677b2f2 772int max_received_linelength= 0;
059ec3d9
PH		 773int max_username_length = 0;
774int message_age = 0;
775uschar *message_body = NULL;
776uschar *message_body_end = NULL;
ddea74fa 777BOOL message_body_newlines = FALSE;
059ec3d9
PH		 778int message_body_size = 0;
779int message_body_visible = 500;
780int message_ended = END_NOTSTARTED;
781uschar *message_headers = NULL;
782uschar *message_id;
783uschar *message_id_domain = NULL;
784uschar *message_id_text = NULL;
785struct timeval message_id_tv = { 0, 0 };
786uschar message_id_option[MESSAGE_ID_LENGTH + 3];
787uschar *message_id_external;
788int message_linecount = 0;
789BOOL message_logs = TRUE;
790int message_size = 0;
791uschar *message_size_limit = US"50M";
792uschar message_subdir[2] = { 0, 0 };
793uschar *message_reference = NULL;
8523533c
TK		 794
795/* MIME ACL expandables */
796#ifdef WITH_CONTENT_SCAN
f7b63901 797int mime_anomaly_level = 0;
1ba28e2b 798const uschar *mime_anomaly_text = NULL;
8523533c
TK		 799uschar *mime_boundary = NULL;
800uschar *mime_charset = NULL;
801uschar *mime_content_description = NULL;
802uschar *mime_content_disposition = NULL;
803uschar *mime_content_id = NULL;
804unsigned int mime_content_size = 0;
805uschar *mime_content_transfer_encoding = NULL;
806uschar *mime_content_type = NULL;
807uschar *mime_decoded_filename = NULL;
808uschar *mime_filename = NULL;
809int mime_is_multipart = 0;
810int mime_is_coverletter = 0;
811int mime_is_rfc822 = 0;
812int mime_part_count = -1;
813#endif
814
059ec3d9
PH		 815BOOL mua_wrapper = FALSE;
816
817uid_t *never_users = NULL;
8523533c
TK		 818#ifdef WITH_CONTENT_SCAN
819BOOL no_mbox_unspool = FALSE;
820#endif
059ec3d9
PH		 821BOOL no_multiline_responses = FALSE;
822
823uid_t original_euid;
824gid_t originator_gid;
825uschar *originator_login = NULL;
826uschar *originator_name = NULL;
827uid_t originator_uid;
828uschar *override_local_interfaces = NULL;
829uschar *override_pid_file_path = NULL;
830
831BOOL parse_allow_group = FALSE;
832BOOL parse_found_group = FALSE;
833uschar *percent_hack_domains = NULL;
834uschar *pid_file_path = US PID_FILE_PATH
835 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 836BOOL pipelining_enable = TRUE;
059ec3d9
PH		 837uschar *pipelining_advertise_hosts = US"*";
838BOOL preserve_message_logs = FALSE;
839uschar *primary_hostname = NULL;
840BOOL print_topbitchars = FALSE;
841uschar process_info[PROCESS_INFO_SIZE];
921b12ca 842int process_info_len = 0;
059ec3d9
PH		 843uschar *process_log_path = NULL;
844BOOL prod_requires_admin = TRUE;
fffda43a
TK		 845uschar *prvscheck_address = NULL;
846uschar *prvscheck_keynum = NULL;
847uschar *prvscheck_result = NULL;
848
059ec3d9
PH		 849
850uschar *qualify_domain_recipient = NULL;
851uschar *qualify_domain_sender = NULL;
852BOOL queue_2stage = FALSE;
853uschar *queue_domains = NULL;
854int queue_interval = -1;
855BOOL queue_list_requires_admin = TRUE;
856BOOL queue_only = FALSE;
857uschar *queue_only_file = NULL;
858int queue_only_load = -1;
8669f003 859BOOL queue_only_load_latch = TRUE;
059ec3d9
PH		 860BOOL queue_only_override = TRUE;
861BOOL queue_only_policy = FALSE;
862BOOL queue_run_first_delivery = FALSE;
863BOOL queue_run_force = FALSE;
864BOOL queue_run_in_order = FALSE;
865BOOL queue_run_local = FALSE;
866int queue_run_max = 5;
867pid_t queue_run_pid = (pid_t)0;
868int queue_run_pipe = -1;
869BOOL queue_running = FALSE;
870BOOL queue_smtp = FALSE;
871uschar *queue_smtp_domains = NULL;
872
873unsigned int random_seed = 0;
fe0dab11 874tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 875tree_node *ratelimiters_conn = NULL;
876tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 877uschar *raw_active_hostname = NULL;
878uschar *raw_sender = NULL;
879uschar **raw_recipients = NULL;
880int raw_recipients_count = 0;
881
882int rcpt_count = 0;
883int rcpt_fail_count = 0;
884int rcpt_defer_count = 0;
885gid_t real_gid;
886uid_t real_uid;
887BOOL really_exim = TRUE;
888BOOL receive_call_bombout = FALSE;
889int receive_linecount = 0;
890int receive_messagecount = 0;
891int receive_timeout = 0;
892int received_count = 0;
893uschar *received_for = NULL;
894
895/* This is the default text for Received headers generated by Exim. The
896date will be automatically added on the end. */
897
898uschar *received_header_text = US
899 "Received: "
900 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 901 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 902 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
903 "by $primary_hostname "
904 "${if def:received_protocol {with $received_protocol}} "
905 #ifdef SUPPORT_TLS
906 "${if def:tls_cipher {($tls_cipher)\n\t}}"
907 #endif
908 "(Exim $version_number)\n\t"
3e46c1aa 909 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 910 "id $message_exim_id"
059ec3d9
PH		 911 "${if def:received_for {\n\tfor $received_for}}"
912 "\0<---------------Space to patch received_header_text->";
913
914int received_headers_max = 30;
915uschar *received_protocol = NULL;
916int received_time = 0;
917uschar *recipient_data = NULL;
918uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 919uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 920int recipients_count = 0;
921BOOL recipients_discarded = FALSE;
922recipient_item *recipients_list = NULL;
923int recipients_list_max = 0;
924int recipients_max = 0;
925BOOL recipients_max_reject = FALSE;
926const pcre *regex_AUTH = NULL;
927const pcre *regex_check_dns_names = NULL;
928const pcre *regex_From = NULL;
f1513293 929const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 930const pcre *regex_PIPELINING = NULL;
931const pcre *regex_SIZE = NULL;
a5bd321b 932const pcre *regex_smtp_code = NULL;
059ec3d9 933const pcre *regex_ismsgid = NULL;
a7cbbf50
PP		 934#ifdef WHITELIST_D_MACROS
935const pcre *regex_whitelisted_macro = NULL;
936#endif
8523533c
TK		 937#ifdef WITH_CONTENT_SCAN
938uschar *regex_match_string = NULL;
939#endif
059ec3d9
PH		 940int remote_delivery_count = 0;
941int remote_max_parallel = 2;
942uschar *remote_sort_domains = NULL;
943int retry_data_expire = 7*24*60*60;
944int retry_interval_max = 24*60*60;
945int retry_maximum_timeout = 0; /* set from retry config */
946retry_config *retries = NULL;
947uschar *return_path = NULL;
948BOOL return_path_remove = TRUE;
949int rewrite_existflags = 0;
950uschar *rfc1413_hosts = US"*";
8def5aaf 951int rfc1413_query_timeout = 5;
059ec3d9 952/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 953uid_t root_gid = ROOT_GID;
059ec3d9
PH		 954uid_t root_uid = ROOT_UID;
955
956router_instance *routers = NULL;
957router_instance router_defaults = {
958 NULL, /* chain pointer */
959 NULL, /* name */
960 NULL, /* info */
961 NULL, /* private options block pointer */
962 NULL, /* driver name */
963
964 NULL, /* address_data */
8523533c
TK		 965#ifdef EXPERIMENTAL_BRIGHTMAIL
966 NULL, /* bmi_rule */
8e669ac1 967#endif
059ec3d9
PH		 968 NULL, /* cannot_route_message */
969 NULL, /* condition */
970 NULL, /* current_directory */
971 NULL, /* debug_string */
972 NULL, /* domains */
973 NULL, /* errors_to */
974 NULL, /* expand_gid */
975 NULL, /* expand_uid */
976 NULL, /* expand_more */
977 NULL, /* expand_unseen */
978 NULL, /* extra_headers */
979 NULL, /* fallback_hosts */
980 NULL, /* home_directory */
981 NULL, /* ignore_target_hosts */
982 NULL, /* local_parts */
983 NULL, /* pass_router_name */
984 NULL, /* prefix */
985 NULL, /* redirect_router_name */
986 NULL, /* remove_headers */
987 NULL, /* require_files */
988 NULL, /* router_home_directory */
989 US"freeze", /* self */
990 NULL, /* senders */
991 NULL, /* suffix */
992 NULL, /* translate_ip_address */
993 NULL, /* transport_name */
994
995 TRUE, /* address_test */
8523533c
TK		 996#ifdef EXPERIMENTAL_BRIGHTMAIL
997 FALSE, /* bmi_deliver_alternate */
998 FALSE, /* bmi_deliver_default */
999 FALSE, /* bmi_dont_deliver */
1000#endif
059ec3d9
PH		 1001 TRUE, /* expn */
1002 FALSE, /* caseful_local_part */
1003 FALSE, /* check_local_user */
1004 FALSE, /* disable_logging */
1005 FALSE, /* fail_verify_recipient */
1006 FALSE, /* fail_verify_sender */
1007 FALSE, /* gid_set */
1008 FALSE, /* initgroups */
1009 TRUE_UNSET, /* log_as_local */
1010 TRUE, /* more */
1011 FALSE, /* pass_on_timeout */
1012 FALSE, /* prefix_optional */
1013 TRUE, /* repeat_use */
1014 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1015 FALSE, /* same_domain_copy_routing */
1016 FALSE, /* self_rewrite */
1017 FALSE, /* suffix_optional */
1018 FALSE, /* verify_only */
1019 TRUE, /* verify_recipient */
1020 TRUE, /* verify_sender */
1021 FALSE, /* uid_set */
1022 FALSE, /* unseen */
1023
1024 self_freeze, /* self_code */
1025 (uid_t)(-1), /* uid */
1026 (gid_t)(-1), /* gid */
1027
1028 NULL, /* fallback_hostlist */
1029 NULL, /* transport instance */
1030 NULL, /* pass_router */
1031 NULL /* redirect_router */
1032};
1033
1034ip_address_item *running_interfaces = NULL;
1035BOOL running_in_test_harness = FALSE;
1036
1037/* This is a weird one. The following string gets patched in the binary by the
1038script that sets up a copy of Exim for running in the test harness. It seems
1039that compilers are now clever, and share constant strings if they can.
1040Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1041make use of the end of this string in order to save space. So the patching then
8669f003 1042wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1043onto the end of the string. */
1044
1045uschar *running_status = US">>>running<<<" "\0EXTRA";
1046
1047int runrc = 0;
1048
1049uschar *search_error_message = NULL;
1050BOOL search_find_defer = FALSE;
1051uschar *self_hostname = NULL;
1052uschar *sender_address = NULL;
1053unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1054uschar *sender_address_data = NULL;
059ec3d9
PH		 1055BOOL sender_address_forced = FALSE;
1056uschar *sender_address_unrewritten = NULL;
1057uschar *sender_data = NULL;
1058unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1059uschar *sender_fullhost = NULL;
1060uschar *sender_helo_name = NULL;
1061uschar **sender_host_aliases = &no_aliases;
1062uschar *sender_host_address = NULL;
1063uschar *sender_host_authenticated = NULL;
1064unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1065uschar *sender_host_name = NULL;
1066int sender_host_port = 0;
1067BOOL sender_host_notsocket = FALSE;
1068BOOL sender_host_unknown = FALSE;
1069uschar *sender_ident = NULL;
1070BOOL sender_local = FALSE;
2fe1a124 1071BOOL sender_name_forced = FALSE;
870f6ba8
TF		 1072uschar *sender_rate = NULL;
1073uschar *sender_rate_limit = NULL;
1074uschar *sender_rate_period = NULL;
059ec3d9
PH		 1075uschar *sender_rcvhost = NULL;
1076BOOL sender_set_untrusted = FALSE;
1077uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1078uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1079address_item *sender_verified_list = NULL;
1080address_item *sender_verified_failed = NULL;
1081int sender_verified_rc = -1;
1082BOOL sender_verified_responded = FALSE;
41c7c167
PH		 1083uschar *sending_ip_address = NULL;
1084int sending_port = -1;
cd59ab18 1085SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9
PH		 1086uschar **sighup_argv = NULL;
1087int smtp_accept_count = 0;
1088BOOL smtp_accept_keepalive = TRUE;
1089int smtp_accept_max = 20;
1090int smtp_accept_max_nonmail= 10;
1091uschar *smtp_accept_max_nonmail_hosts = US"*";
1092int smtp_accept_max_per_connection = 1000;
1093uschar *smtp_accept_max_per_host = NULL;
1094int smtp_accept_queue = 0;
1095int smtp_accept_queue_per_connection = 10;
1096int smtp_accept_reserve = 0;
1097uschar *smtp_active_hostname = NULL;
1098BOOL smtp_authenticated = FALSE;
1f5b4c3d 1099uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1100 "Exim $version_number $tod_full"
1101 "\0<---------------Space to patch smtp_banner->";
1102BOOL smtp_batched_input = FALSE;
1103BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1104int smtp_ch_index = 0;
3ee512ff
PH		 1105uschar *smtp_cmd_argument = NULL;
1106uschar *smtp_cmd_buffer = NULL;
b4ed4da0
PH		 1107time_t smtp_connection_start = 0;
1108uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1109int smtp_connect_backlog = 20;
1110double smtp_delay_mail = 0.0;
1111double smtp_delay_rcpt = 0.0;
1112BOOL smtp_enforce_sync = TRUE;
1113FILE *smtp_in = NULL;
1114BOOL smtp_input = FALSE;
1115int smtp_load_reserve = -1;
1116int smtp_mailcmd_count = 0;
1117FILE *smtp_out = NULL;
1118uschar *smtp_etrn_command = NULL;
1119BOOL smtp_etrn_serialize = TRUE;
1120int smtp_max_synprot_errors= 3;
1121int smtp_max_unknown_commands = 3;
8f128379 1122uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1123uschar *smtp_ratelimit_hosts = NULL;
1124uschar *smtp_ratelimit_mail = NULL;
1125uschar *smtp_ratelimit_rcpt = NULL;
1126uschar *smtp_read_error = US"";
1127int smtp_receive_timeout = 5*60;
1128uschar *smtp_reserve_hosts = NULL;
1129BOOL smtp_return_error_details = FALSE;
1130int smtp_rlm_base = 0;
1131double smtp_rlm_factor = 0.0;
1132int smtp_rlm_limit = 0;
1133int smtp_rlm_threshold = INT_MAX;
1134int smtp_rlr_base = 0;
1135double smtp_rlr_factor = 0.0;
1136int smtp_rlr_limit = 0;
1137int smtp_rlr_threshold = INT_MAX;
1138BOOL smtp_use_pipelining = FALSE;
1139BOOL smtp_use_size = FALSE;
8523533c
TK		 1140
1141#ifdef WITH_CONTENT_SCAN
1142uschar *spamd_address = US"127.0.0.1 783";
1143uschar *spam_bar = NULL;
1144uschar *spam_report = NULL;
1145uschar *spam_score = NULL;
1146uschar *spam_score_int = NULL;
1147#endif
1148#ifdef EXPERIMENTAL_SPF
65a7d8c3 1149uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1150uschar *spf_header_comment = NULL;
1151uschar *spf_received = NULL;
1152uschar *spf_result = NULL;
1153uschar *spf_smtp_comment = NULL;
1154#endif
1155
059ec3d9
PH		 1156BOOL split_spool_directory = FALSE;
1157uschar *spool_directory = US SPOOL_DIRECTORY
1158 "\0<--------------Space to patch spool_directory->";
8523533c
TK		 1159#ifdef EXPERIMENTAL_SRS
1160uschar *srs_config = NULL;
1161uschar *srs_db_address = NULL;
1162uschar *srs_db_key = NULL;
384152a6
TK		 1163int srs_hashlength = 6;
1164int srs_hashmin = -1;
1165int srs_maxage = 31;
8523533c
TK		 1166uschar *srs_orig_recipient = NULL;
1167uschar *srs_orig_sender = NULL;
1168uschar *srs_recipient = NULL;
384152a6 1169uschar *srs_secrets = NULL;
8523533c 1170uschar *srs_status = NULL;
384152a6
TK		 1171BOOL srs_usehash = TRUE;
1172BOOL srs_usetimestamp = TRUE;
8e669ac1 1173#endif
38a0a95f 1174BOOL strict_acl_vars = FALSE;
059ec3d9 1175int string_datestamp_offset= -1;
f1e5fef5
PP		 1176int string_datestamp_length= 0;
1177int string_datestamp_type = -1;
059ec3d9
PH		 1178BOOL strip_excess_angle_brackets = FALSE;
1179BOOL strip_trailing_dot = FALSE;
1180uschar *submission_domain = NULL;
1181BOOL submission_mode = FALSE;
2fe1a124 1182uschar *submission_name = NULL;
8800895a 1183BOOL suppress_local_fixups = FALSE;
059ec3d9
PH		 1184BOOL synchronous_delivery = FALSE;
1185BOOL syslog_duplication = TRUE;
1186int syslog_facility = LOG_MAIL;
1187uschar *syslog_processname = US"exim";
1188BOOL syslog_timestamp = TRUE;
1189uschar *system_filter = NULL;
1190
1191uschar *system_filter_directory_transport = NULL;
1192uschar *system_filter_file_transport = NULL;
1193uschar *system_filter_pipe_transport = NULL;
1194uschar *system_filter_reply_transport = NULL;
1195
1196gid_t system_filter_gid = 0;
1197BOOL system_filter_gid_set = FALSE;
79d4bc3d 1198uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH		 1199BOOL system_filter_uid_set = FALSE;
1200BOOL system_filtering = FALSE;
1201
1202BOOL tcp_nodelay = TRUE;
5dc43717
JJ		 1203#ifdef USE_TCP_WRAPPERS
1204uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1205#endif
8669f003 1206int test_harness_load_avg = 0;
059ec3d9
PH		 1207int thismessage_size_limit = 0;
1208int timeout_frozen_after = 0;
1209BOOL timestamps_utc = FALSE;
1210
1211transport_instance *transports = NULL;
1212
1213transport_instance transport_defaults = {
1214 NULL, /* chain pointer */
1215 NULL, /* name */
1216 NULL, /* info */
1217 NULL, /* private options block pointer */
1218 NULL, /* driver name */
1219 NULL, /* setup entry point */
1220 1, /* batch_max */
1221 NULL, /* batch_id */
1222 NULL, /* home_dir */
1223 NULL, /* current_dir */
1224 TRUE, /* multi-domain */
1225 FALSE, /* overrides_hosts */
1226 100, /* max_addresses */
1227 500, /* connection_max_messages */
1228 FALSE, /* deliver_as_creator */
1229 FALSE, /* disable_logging */
1230 FALSE, /* initgroups */
1231 FALSE, /* uid_set */
1232 FALSE, /* gid_set */
1233 (uid_t)(-1), /* uid */
1234 (gid_t)(-1), /* gid */
1235 NULL, /* expand_uid */
1236 NULL, /* expand_gid */
1237 NULL, /* warn_message */
1238 NULL, /* shadow */
1239 NULL, /* shadow_condition */
1240 NULL, /* filter_command */
1241 NULL, /* add_headers */
1242 NULL, /* remove_headers */
1243 NULL, /* return_path */
1244 NULL, /* debug_string */
1245 NULL, /* message_size_limit */
1246 NULL, /* headers_rewrite */
1247 NULL, /* rewrite_rules */
1248 0, /* rewrite_existflags */
1249 300, /* filter_timeout */
1250 FALSE, /* body_only */
1251 FALSE, /* delivery_date_add */
1252 FALSE, /* envelope_to_add */
1253 FALSE, /* headers_only */
1254 FALSE, /* rcpt_include_affixes */
1255 FALSE, /* return_path_add */
1256 FALSE, /* return_output */
1257 FALSE, /* return_fail_output */
1258 FALSE, /* log_output */
1259 FALSE, /* log_fail_output */
1260 FALSE, /* log_defer_output */
1261 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1262 1 nor 0 so can detect unset */
1263};
1264
1265int transport_count;
332f5cf3 1266int transport_newlines;
059ec3d9
PH		 1267uschar **transport_filter_argv = NULL;
1268int transport_filter_timeout;
2e2a30b4 1269BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH		 1270int transport_write_timeout= 0;
1271
1272tree_node *tree_dns_fails = NULL;
1273tree_node *tree_duplicates = NULL;
1274tree_node *tree_nonrecipients = NULL;
1275tree_node *tree_unusable = NULL;
1276
1277BOOL trusted_caller = FALSE;
e2f5dc15 1278BOOL trusted_config = TRUE;
059ec3d9
PH		 1279gid_t *trusted_groups = NULL;
1280uid_t *trusted_users = NULL;
1281uschar *timezone_string = US TIMEZONE_DEFAULT;
1282
1283uschar *unknown_login = NULL;
1284uschar *unknown_username = NULL;
1285uschar *untrusted_set_sender = NULL;
1286
1287/* A regex for matching a "From_" line in an incoming message, in the form
1288
1289 From ph10 Fri Jan 5 12:35 GMT 1996
1290
1291which the "mail" commands send to the MTA (undocumented, of course), or in
1292the form
1293
1294 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1295
1296which is apparently used by some UUCPs, despite it not being in RFC 976.
1297Because of variations in time formats, just match up to the minutes. That
1298should be sufficient. Examples have been seen of time fields like 12:1:03,
1299so just require one digit for hours and minutes. The weekday is also absent
1300in some forms. */
1301
1302uschar *uucp_from_pattern = US
1303 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1304 "(?:" /* Non-extracting bracket */
1305 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1306 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1307 ")" /* End alternation */
1308 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1309
1310uschar *uucp_from_sender = US"$1";
1311
1312uschar *warn_message_file = NULL;
1313uschar *warnmsg_delay = NULL;
1314uschar *warnmsg_recipients = NULL;
1315BOOL write_rejectlog = TRUE;
1316
0a49a7a4 1317uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2007";
059ec3d9
PH		 1318uschar *version_date = US"?";
1319uschar *version_cnumber = US"????";
1320uschar *version_string = US"?";
1321
1322int warning_count = 0;
1323
1324/* End of globals.c */
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