Fix Proxy Protocol v2 handling
[exim.git] / src / src / globals.c
CommitLineData
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
bc338899 5/* Copyright (c) University of Cambridge 1995 - 2013 */
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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
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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[] = {
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18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
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20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
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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))},
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28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
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30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
38int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
52#endif
53
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54#ifdef EXPAND_DLFUNC
55tree_node *dlobj_anchor = NULL;
56#endif
57
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58#ifdef LOOKUP_IBASE
59uschar *ibase_servers = NULL;
60#endif
61
62#ifdef LOOKUP_LDAP
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63uschar *eldap_ca_cert_dir = NULL;
64uschar *eldap_ca_cert_file = NULL;
65uschar *eldap_cert_file = NULL;
66uschar *eldap_cert_key = NULL;
67uschar *eldap_cipher_suite = NULL;
059ec3d9 68uschar *eldap_default_servers = NULL;
bc19a55b 69uschar *eldap_require_cert = NULL;
059ec3d9 70int eldap_version = -1;
bc19a55b 71BOOL eldap_start_tls = FALSE;
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72#endif
73
74#ifdef LOOKUP_MYSQL
75uschar *mysql_servers = NULL;
76#endif
77
78#ifdef LOOKUP_ORACLE
79uschar *oracle_servers = NULL;
80#endif
81
82#ifdef LOOKUP_PGSQL
83uschar *pgsql_servers = NULL;
84#endif
85
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86#ifdef EXPERIMENTAL_REDIS
87uschar *redis_servers = NULL;
88#endif
89
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90#ifdef LOOKUP_SQLITE
91int sqlite_lock_timeout = 5;
92#endif
93
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94#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95BOOL move_frozen_messages = FALSE;
96#endif
97
98/* These variables are outside the #ifdef because it keeps the code less
99cluttered in several places (e.g. during logging) if we can always refer to
100them. Also, the tls_ variables are now always visible. */
101
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102tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
106 NULL, /* tls_cipher */
107 FALSE,/* tls_on_connect */
108 NULL, /* tls_on_connect_ports */
109 NULL, /* tls_peerdn */
110 NULL /* tls_sni */
111};
112tls_support tls_out = {
113 -1, /* tls_active */
114 0, /* tls_bits */
115 FALSE,/* tls_certificate_verified */
116 NULL, /* tls_cipher */
117 FALSE,/* tls_on_connect */
118 NULL, /* tls_on_connect_ports */
119 NULL, /* tls_peerdn */
120 NULL /* tls_sni */
121};
122
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123
124#ifdef SUPPORT_TLS
e6060e2c 125BOOL gnutls_compat_mode = FALSE;
2519e60d 126BOOL gnutls_allow_auto_pkcs11 = FALSE;
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127uschar *gnutls_require_mac = NULL;
128uschar *gnutls_require_kx = NULL;
129uschar *gnutls_require_proto = NULL;
77bb000f 130uschar *openssl_options = NULL;
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131const pcre *regex_STARTTLS = NULL;
132uschar *tls_advertise_hosts = NULL; /* This is deliberate */
133uschar *tls_certificate = NULL;
134uschar *tls_crl = NULL;
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PP
135/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
136that's the interop problem which has been observed: GnuTLS suggesting a higher
137bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
138int tls_dh_max_bits = 2236;
059ec3d9 139uschar *tls_dhparam = NULL;
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140#if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
141uschar *tls_ocsp_file = NULL;
142#endif
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143BOOL tls_offered = FALSE;
144uschar *tls_privatekey = NULL;
145BOOL tls_remember_esmtp = FALSE;
146uschar *tls_require_ciphers = NULL;
147uschar *tls_try_verify_hosts = NULL;
148uschar *tls_verify_certificates= NULL;
149uschar *tls_verify_hosts = NULL;
150#endif
151
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152#ifdef EXPERIMENTAL_PRDR
153/* Per Recipient Data Response variables */
154BOOL prdr_enable = FALSE;
155BOOL prdr_requested = FALSE;
156const pcre *regex_PRDR = NULL;
157#endif
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158
159/* Input-reading functions for messages, so we can use special ones for
160incoming TCP/IP. The defaults use stdin. We never need these for any
161stand-alone tests. */
162
163#ifndef STAND_ALONE
164int (*receive_getc)(void) = stdin_getc;
165int (*receive_ungetc)(int) = stdin_ungetc;
166int (*receive_feof)(void) = stdin_feof;
167int (*receive_ferror)(void) = stdin_ferror;
58eb016e 168BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
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169#endif
170
171
172/* List of per-address expansion variables for clearing and saving/restoring
173when verifying one address while routing/verifying another. We have to have
174the size explicit, because it is referenced from more than one module. */
175
176uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
177 &deliver_address_data,
178 &deliver_domain,
179 &deliver_domain_data,
180 &deliver_domain_orig,
181 &deliver_domain_parent,
182 &deliver_localpart,
183 &deliver_localpart_data,
184 &deliver_localpart_orig,
185 &deliver_localpart_parent,
186 &deliver_localpart_prefix,
187 &deliver_localpart_suffix,
188 (uschar **)(&deliver_recipients),
189 &deliver_host,
190 &deliver_home,
191 &address_file,
192 &address_pipe,
193 &self_hostname,
194 NULL };
195
196int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
197
198/* General global variables */
199
71fafd95 200header_line *acl_added_headers = NULL;
059ec3d9 201tree_node *acl_anchor = NULL;
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202uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
203 NULL, NULL, NULL, NULL};
204int acl_narg = 0;
8f128379 205
059ec3d9 206uschar *acl_not_smtp = NULL;
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207#ifdef WITH_CONTENT_SCAN
208uschar *acl_not_smtp_mime = NULL;
209#endif
45b91596 210uschar *acl_not_smtp_start = NULL;
e7568d51 211uschar *acl_removed_headers = NULL;
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212uschar *acl_smtp_auth = NULL;
213uschar *acl_smtp_connect = NULL;
214uschar *acl_smtp_data = NULL;
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215#ifdef EXPERIMENTAL_PRDR
216uschar *acl_smtp_data_prdr = NULL;
217#endif
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218#ifndef DISABLE_DKIM
219uschar *acl_smtp_dkim = NULL;
220#endif
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221uschar *acl_smtp_etrn = NULL;
222uschar *acl_smtp_expn = NULL;
223uschar *acl_smtp_helo = NULL;
224uschar *acl_smtp_mail = NULL;
225uschar *acl_smtp_mailauth = NULL;
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226#ifdef WITH_CONTENT_SCAN
227uschar *acl_smtp_mime = NULL;
228#endif
8f128379 229uschar *acl_smtp_notquit = NULL;
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230uschar *acl_smtp_predata = NULL;
231uschar *acl_smtp_quit = NULL;
232uschar *acl_smtp_rcpt = NULL;
233uschar *acl_smtp_starttls = NULL;
234uschar *acl_smtp_vrfy = NULL;
8f128379 235
059ec3d9 236BOOL acl_temp_details = FALSE;
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237tree_node *acl_var_c = NULL;
238tree_node *acl_var_m = NULL;
059ec3d9 239uschar *acl_verify_message = NULL;
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240string_item *acl_warn_logged = NULL;
241
242/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
243error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
244
245uschar *acl_wherenames[] = { US"RCPT",
246 US"MAIL",
247 US"PREDATA",
8523533c 248 US"MIME",
80a47a2c 249 US"DKIM",
059ec3d9 250 US"DATA",
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251#ifdef EXPERIMENTAL_PRDR
252 US"PRDR",
253#endif
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254 US"non-SMTP",
255 US"AUTH",
256 US"connection",
257 US"ETRN",
258 US"EXPN",
259 US"EHLO or HELO",
260 US"MAILAUTH",
45b91596 261 US"non-SMTP-start",
8f128379 262 US"NOTQUIT",
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263 US"QUIT",
264 US"STARTTLS",
723c72e6 265 US"VRFY",
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266 US"delivery",
267 US"unknown"
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268 };
269
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270uschar *acl_wherecodes[] = { US"550", /* RCPT */
271 US"550", /* MAIL */
272 US"550", /* PREDATA */
273 US"550", /* MIME */
80a47a2c 274 US"550", /* DKIM */
a5bd321b 275 US"550", /* DATA */
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276#ifdef EXPERIMENTAL_PRDR
277 US"550", /* RCPT PRDR */
278#endif
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279 US"0", /* not SMTP; not relevant */
280 US"503", /* AUTH */
281 US"550", /* connect */
282 US"458", /* ETRN */
283 US"550", /* EXPN */
284 US"550", /* HELO/EHLO */
285 US"0", /* MAILAUTH; not relevant */
286 US"0", /* not SMTP; not relevant */
8f128379 287 US"0", /* NOTQUIT; not relevant */
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288 US"0", /* QUIT; not relevant */
289 US"550", /* STARTTLS */
723c72e6 290 US"252", /* VRFY */
faa05a93 291 US"0", /* delivery; not relevant */
723c72e6 292 US"0" /* unknown; not relevant */
059ec3d9 293 };
8e669ac1 294
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295BOOL active_local_from_check = FALSE;
296BOOL active_local_sender_retain = FALSE;
3c0a92dc 297int body_8bitmime = 0;
9cbad13b 298BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
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299address_item *addr_duplicate = NULL;
300
301address_item address_defaults = {
302 NULL, /* next */
303 NULL, /* parent */
304 NULL, /* first */
305 NULL, /* dupof */
306 NULL, /* start_router */
307 NULL, /* router */
308 NULL, /* transport */
309 NULL, /* host_list */
310 NULL, /* host_used */
311 NULL, /* fallback_hosts */
312 NULL, /* reply */
313 NULL, /* retries */
314 NULL, /* address */
315 NULL, /* unique */
316 NULL, /* cc_local_part */
317 NULL, /* lc_local_part */
318 NULL, /* local_part */
319 NULL, /* prefix */
320 NULL, /* suffix */
321 NULL, /* domain */
322 NULL, /* address_retry_key */
323 NULL, /* domain_retry_key */
324 NULL, /* current_dir */
325 NULL, /* home_dir */
326 NULL, /* message */
327 NULL, /* user_message */
328 NULL, /* onetime_parent */
329 NULL, /* pipe_expandn */
330 NULL, /* return_filename */
331 NULL, /* self_hostname */
332 NULL, /* shadow_message */
333 #ifdef SUPPORT_TLS
334 NULL, /* cipher */
335 NULL, /* peerdn */
336 #endif
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337 NULL, /* authenticator */
338 NULL, /* auth_id */
339 NULL, /* auth_sndr */
059ec3d9
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340 (uid_t)(-1), /* uid */
341 (gid_t)(-1), /* gid */
342 0, /* flags */
343 { 0 }, /* domain_cache - any larger array should be zeroed */
344 { 0 }, /* localpart_cache - ditto */
345 -1, /* mode */
346 0, /* more_errno */
347 ERRNO_UNKNOWNERROR, /* basic_errno */
348 0, /* child_count */
349 -1, /* return_file */
350 SPECIAL_NONE, /* special_action */
351 DEFER, /* transport_return */
352 { /* fields that are propagated to children */
353 NULL, /* address_data */
354 NULL, /* domain_data */
355 NULL, /* localpart_data */
356 NULL, /* errors_address */
357 NULL, /* extra_headers */
358 NULL, /* remove_headers */
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359#ifdef EXPERIMENTAL_SRS
360 NULL, /* srs_sender */
361#endif
059ec3d9
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362 }
363};
364
365uschar *address_file = NULL;
366uschar *address_pipe = NULL;
367BOOL address_test_mode = FALSE;
368tree_node *addresslist_anchor = NULL;
369int addresslist_count = 0;
370gid_t *admin_groups = NULL;
371BOOL admin_user = FALSE;
c46782ef 372BOOL allow_auth_unadvertised= FALSE;
059ec3d9
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373BOOL allow_domain_literals = FALSE;
374BOOL allow_mx_to_ip = FALSE;
375BOOL allow_unqualified_recipient = TRUE; /* For local messages */
376BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
377BOOL allow_utf8_domains = FALSE;
2d07a215 378uschar *authenticated_fail_id = NULL;
059ec3d9
PH
379uschar *authenticated_id = NULL;
380uschar *authenticated_sender = NULL;
381BOOL authentication_failed = FALSE;
382auth_instance *auths = NULL;
383uschar *auth_advertise_hosts = US"*";
384auth_instance auth_defaults = {
385 NULL, /* chain pointer */
386 NULL, /* name */
387 NULL, /* info */
388 NULL, /* private options block pointer */
389 NULL, /* driver_name */
390 NULL, /* advertise_condition */
6c512171 391 NULL, /* client_condition */
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392 NULL, /* public_name */
393 NULL, /* set_id */
c8e2fc1e 394 NULL, /* set_client_id */
059ec3d9
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395 NULL, /* server_mail_auth_condition */
396 NULL, /* server_debug_string */
16ff981e 397 NULL, /* server_condition */
059ec3d9
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398 FALSE, /* client */
399 FALSE, /* server */
400 FALSE /* advertised */
401};
402
403uschar *auth_defer_msg = US"reason not recorded";
404uschar *auth_defer_user_msg = US"";
f78eb7c6 405uschar *auth_vars[AUTH_VARS];
059ec3d9 406int auto_thaw = 0;
8523533c 407#ifdef WITH_CONTENT_SCAN
9e949f00 408BOOL av_failed = FALSE;
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409uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
410#endif
059ec3d9
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411
412BOOL background_daemon = TRUE;
9a799bc0
PH
413
414#if BASE_62 == 62
059ec3d9
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415uschar *base62_chars=
416 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH
417#else
418uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
419#endif
420
059ec3d9
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421uschar *bi_command = NULL;
422uschar *big_buffer = NULL;
423int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
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424#ifdef EXPERIMENTAL_BRIGHTMAIL
425uschar *bmi_alt_location = NULL;
426uschar *bmi_base64_tracker_verdict = NULL;
427uschar *bmi_base64_verdict = NULL;
428uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
429int bmi_deliver = 1;
430int bmi_run = 0;
431uschar *bmi_verdicts = NULL;
432#endif
059ec3d9
PH
433int body_linecount = 0;
434int body_zerocount = 0;
435uschar *bounce_message_file = NULL;
436uschar *bounce_message_text = NULL;
437uschar *bounce_recipient = NULL;
438BOOL bounce_return_body = TRUE;
439BOOL bounce_return_message = TRUE;
440int bounce_return_size_limit = 100*1024;
441uschar *bounce_sender_authentication = NULL;
442int bsmtp_transaction_linecount = 0;
443
444int callout_cache_domain_positive_expire = 7*24*60*60;
445int callout_cache_domain_negative_expire = 3*60*60;
446int callout_cache_positive_expire = 24*60*60;
447int callout_cache_negative_expire = 2*60*60;
448uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 449uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
059ec3d9
PH
450int check_log_inodes = 0;
451int check_log_space = 0;
a0d6ba8a 452BOOL check_rfc2047_length = TRUE;
059ec3d9
PH
453int check_spool_inodes = 0;
454int check_spool_space = 0;
6f123593
JH
455uschar *client_authenticator = NULL;
456uschar *client_authenticated_id = NULL;
c8e2fc1e 457uschar *client_authenticated_sender = NULL;
059ec3d9
PH
458int clmacro_count = 0;
459uschar *clmacros[MAX_CLMACROS];
460BOOL config_changed = FALSE;
461FILE *config_file = NULL;
462uschar *config_filename = NULL;
463int config_lineno = 0;
35edf2ff
PH
464#ifdef CONFIGURE_GROUP
465gid_t config_gid = CONFIGURE_GROUP;
466#endif
059ec3d9
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467uschar *config_main_filelist = US CONFIGURE_FILE
468 "\0<-----------Space to patch configure_filename->";
469uschar *config_main_filename = NULL;
470
471#ifdef CONFIGURE_OWNER
472uid_t config_uid = CONFIGURE_OWNER;
473#endif
474
475int connection_max_messages= -1;
476uschar *continue_hostname = NULL;
477uschar *continue_host_address = NULL;
478BOOL continue_more = FALSE;
479int continue_sequence = 1;
480uschar *continue_transport = NULL;
481
e5a9dba6 482uschar *csa_status = NULL;
e4bdf652
JH
483BOOL cutthrough_delivery = FALSE;
484int cutthrough_fd = -1;
e5a9dba6 485
059ec3d9
PH
486BOOL daemon_listen = FALSE;
487uschar *daemon_smtp_port = US"smtp";
4aee0225
PH
488int daemon_startup_retries = 9;
489int daemon_startup_sleep = 30;
6a8f9482
TK
490
491#ifdef EXPERIMENTAL_DCC
492BOOL dcc_direct_add_header = FALSE;
493uschar *dcc_header = NULL;
494uschar *dcc_result = NULL;
495uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
496uschar *dccifd_options = US"header";
497#endif
498
3d235903 499BOOL debug_daemon = FALSE;
059ec3d9
PH
500int debug_fd = -1;
501FILE *debug_file = NULL;
502bit_table debug_options[] = {
503 { US"acl", D_acl },
504 { US"all", D_all },
505 { US"auth", D_auth },
506 { US"deliver", D_deliver },
507 { US"dns", D_dns },
508 { US"dnsbl", D_dnsbl },
509 { US"exec", D_exec },
510 { US"expand", D_expand },
511 { US"filter", D_filter },
512 { US"hints_lookup", D_hints_lookup },
513 { US"host_lookup", D_host_lookup },
514 { US"ident", D_ident },
515 { US"interface", D_interface },
516 { US"lists", D_lists },
517 { US"load", D_load },
518 { US"local_scan", D_local_scan },
519 { US"lookup", D_lookup },
520 { US"memory", D_memory },
521 { US"pid", D_pid },
522 { US"process_info", D_process_info },
523 { US"queue_run", D_queue_run },
524 { US"receive", D_receive },
525 { US"resolver", D_resolver },
526 { US"retry", D_retry },
527 { US"rewrite", D_rewrite },
528 { US"route", D_route },
529 { US"timestamp", D_timestamp },
530 { US"tls", D_tls },
531 { US"transport", D_transport },
532 { US"uid", D_uid },
533 { US"verify", D_verify }
534};
535int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
536unsigned int debug_selector = 0;
537int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH
538uschar *delay_warning_condition=
539 US"${if or {"
e85a7ad5 540 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH
541 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
542 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
543 "} {no}{yes}}";
059ec3d9
PH
544BOOL delivery_date_remove = TRUE;
545uschar *deliver_address_data = NULL;
546int deliver_datafile = -1;
547uschar *deliver_domain = NULL;
548uschar *deliver_domain_data = NULL;
549uschar *deliver_domain_orig = NULL;
550uschar *deliver_domain_parent = NULL;
551BOOL deliver_drop_privilege = FALSE;
552BOOL deliver_firsttime = FALSE;
553BOOL deliver_force = FALSE;
554BOOL deliver_freeze = FALSE;
555int deliver_frozen_at = 0;
556uschar *deliver_home = NULL;
557uschar *deliver_host = NULL;
558uschar *deliver_host_address = NULL;
559uschar *deliver_in_buffer = NULL;
560ino_t deliver_inode = 0;
561uschar *deliver_localpart = NULL;
562uschar *deliver_localpart_data = NULL;
563uschar *deliver_localpart_orig = NULL;
564uschar *deliver_localpart_parent = NULL;
565uschar *deliver_localpart_prefix = NULL;
566uschar *deliver_localpart_suffix = NULL;
567BOOL deliver_force_thaw = FALSE;
568BOOL deliver_manual_thaw = FALSE;
569uschar *deliver_out_buffer = NULL;
570int deliver_queue_load_max = -1;
571address_item *deliver_recipients = NULL;
572uschar *deliver_selectstring = NULL;
573BOOL deliver_selectstring_regex = FALSE;
574uschar *deliver_selectstring_sender = NULL;
575BOOL deliver_selectstring_sender_regex = FALSE;
8523533c
TK
576#ifdef WITH_OLD_DEMIME
577int demime_errorlevel = 0;
578int demime_ok = 0;
579uschar *demime_reason = NULL;
580#endif
4c590bd1 581BOOL disable_callout_flush = FALSE;
047bdd8c 582BOOL disable_delay_flush = FALSE;
54fc8428
PH
583#ifdef ENABLE_DISABLE_FSYNC
584BOOL disable_fsync = FALSE;
585#endif
7e66e54d 586BOOL disable_ipv6 = FALSE;
059ec3d9
PH
587BOOL disable_logging = FALSE;
588
80a47a2c 589#ifndef DISABLE_DKIM
2df588c9 590uschar *dkim_cur_signer = NULL;
9e5d6b55 591uschar *dkim_signers = NULL;
f7572e5a
TK
592uschar *dkim_signing_domain = NULL;
593uschar *dkim_signing_selector = NULL;
9e5d6b55 594uschar *dkim_verify_signers = US"$dkim_signers";
80a47a2c
TK
595BOOL dkim_collect_input = FALSE;
596BOOL dkim_disable_verify = FALSE;
f7572e5a 597#endif
4840604e 598#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 599BOOL dmarc_has_been_checked = FALSE;
4840604e 600uschar *dmarc_ar_header = NULL;
8c8b8274 601uschar *dmarc_domain_policy = NULL;
4840604e
TL
602uschar *dmarc_forensic_sender = NULL;
603uschar *dmarc_history_file = NULL;
604uschar *dmarc_status = NULL;
605uschar *dmarc_status_text = NULL;
606uschar *dmarc_tld_file = NULL;
607uschar *dmarc_used_domain = NULL;
608BOOL dmarc_disable_verify = FALSE;
609BOOL dmarc_enable_forensic = FALSE;
610#endif
f7572e5a 611
059ec3d9 612uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH
613int dns_csa_search_limit = 5;
614BOOL dns_csa_use_reverse = TRUE;
059ec3d9
PH
615uschar *dns_ipv4_lookup = NULL;
616int dns_retrans = 0;
617int dns_retry = 0;
0fbd9bff 618int dns_dnssec_ok = -1; /* <0 = not coerced */
e97d1f08 619int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 620uschar *dnslist_domain = NULL;
93655c46 621uschar *dnslist_matched = NULL;
059ec3d9
PH
622uschar *dnslist_text = NULL;
623uschar *dnslist_value = NULL;
624tree_node *domainlist_anchor = NULL;
625int domainlist_count = 0;
626BOOL dont_deliver = FALSE;
627BOOL dot_ends = TRUE;
628BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 629uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH
630
631BOOL enable_dollar_recipients = FALSE;
632BOOL envelope_to_remove = TRUE;
633int errno_quota = ERRNO_QUOTA;
634uschar *errors_copy = NULL;
635int error_handling = ERRORS_SENDER;
636uschar *errors_reply_to = NULL;
637int errors_sender_rc = EXIT_FAILURE;
638
639gid_t exim_gid = EXIM_GID;
640BOOL exim_gid_set = TRUE; /* This gid is always set */
641uschar *exim_path = US BIN_DIRECTORY "/exim"
642 "\0<---------------Space to patch exim_path->";
643uid_t exim_uid = EXIM_UID;
644BOOL exim_uid_set = TRUE; /* This uid is always set */
645int expand_forbid = 0;
646int expand_nlength[EXPAND_MAXN+1];
647int expand_nmax = -1;
648uschar *expand_nstring[EXPAND_MAXN+1];
649BOOL expand_string_forcedfail = FALSE;
650uschar *expand_string_message;
651BOOL extract_addresses_remove_arguments = TRUE;
652uschar *extra_local_interfaces = NULL;
653
29aba418 654int fake_response = OK;
0e22dfd1
PH
655uschar *fake_response_text = US"Your message has been rejected but is "
656 "being kept for evaluation.\nIf it was a "
657 "legitimate message, it may still be "
658 "delivered to the target recipient(s).";
059ec3d9
PH
659int filter_n[FILTER_VARIABLE_COUNT];
660BOOL filter_running = FALSE;
661int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH
662int filter_test = FTEST_NONE;
663uschar *filter_test_sfile = NULL;
664uschar *filter_test_ufile = NULL;
059ec3d9
PH
665uschar *filter_thisaddress = NULL;
666int finduser_retries = 0;
8523533c
TK
667#ifdef WITH_OLD_DEMIME
668uschar *found_extension = NULL;
669#endif
059ec3d9
PH
670uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
671uschar *freeze_tell = NULL;
6a3f1455 672uschar *freeze_tell_config = NULL;
059ec3d9
PH
673uschar *fudged_queue_times = US"";
674
675uschar *gecos_name = NULL;
676uschar *gecos_pattern = NULL;
677rewrite_rule *global_rewrite_rules = NULL;
678
679uschar *headers_charset = US HEADERS_CHARSET;
680int header_insert_maxlen = 64 * 1024;
681header_line *header_last = NULL;
682header_line *header_list = NULL;
683int header_maxsize = HEADER_MAXSIZE;
684int header_line_maxsize = 0;
685
686header_name header_names[] = {
687 { US"bcc", 3, TRUE, htype_bcc },
688 { US"cc", 2, TRUE, htype_cc },
689 { US"date", 4, TRUE, htype_date },
690 { US"delivery-date", 13, FALSE, htype_delivery_date },
691 { US"envelope-to", 11, FALSE, htype_envelope_to },
692 { US"from", 4, TRUE, htype_from },
693 { US"message-id", 10, TRUE, htype_id },
694 { US"received", 8, FALSE, htype_received },
695 { US"reply-to", 8, FALSE, htype_reply_to },
696 { US"return-path", 11, FALSE, htype_return_path },
697 { US"sender", 6, TRUE, htype_sender },
698 { US"subject", 7, FALSE, htype_subject },
699 { US"to", 2, TRUE, htype_to }
700};
701
702int header_names_size = sizeof(header_names)/sizeof(header_name);
703
704BOOL header_rewritten = FALSE;
705uschar *helo_accept_junk_hosts = NULL;
706uschar *helo_allow_chars = US"";
707uschar *helo_lookup_domains = US"@ : @[]";
708uschar *helo_try_verify_hosts = NULL;
709BOOL helo_verified = FALSE;
d7b47fd0 710BOOL helo_verify_failed = FALSE;
059ec3d9 711uschar *helo_verify_hosts = NULL;
1ba28e2b 712const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH
713uschar *hold_domains = NULL;
714BOOL host_checking = FALSE;
715BOOL host_checking_callout = FALSE;
716uschar *host_data = NULL;
717BOOL host_find_failed_syntax= FALSE;
718uschar *host_lookup = NULL;
b08b24c8 719BOOL host_lookup_deferred = FALSE;
059ec3d9
PH
720BOOL host_lookup_failed = FALSE;
721uschar *host_lookup_order = US"bydns:byaddr";
722uschar *host_lookup_msg = US"";
723int host_number = 0;
724uschar *host_number_string = NULL;
725uschar *host_reject_connection = NULL;
726tree_node *hostlist_anchor = NULL;
727int hostlist_count = 0;
728uschar *hosts_treat_as_local = NULL;
729uschar *hosts_connection_nolog = NULL;
730
731int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
732BOOL ignore_fromline_local = FALSE;
733uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP
734BOOL inetd_wait_mode = FALSE;
735int inetd_wait_timeout = -1;
059ec3d9
PH
736uschar *interface_address = NULL;
737int interface_port = -1;
738BOOL is_inetd = FALSE;
0ce9abe6 739uschar *iterate_item = NULL;
059ec3d9
PH
740
741int journal_fd = -1;
742
743int keep_malformed = 4*24*60*60; /* 4 days */
744
745uschar *eldap_dn = NULL;
746int load_average = -2;
747BOOL local_error_message = FALSE;
748BOOL local_from_check = TRUE;
749uschar *local_from_prefix = NULL;
750uschar *local_from_suffix = NULL;
751
752#if HAVE_IPV6
753uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
754#else
755uschar *local_interfaces = US"0.0.0.0";
756#endif
757
758uschar *local_scan_data = NULL;
759int local_scan_timeout = 5*60;
760BOOL local_sender_retain = FALSE;
761gid_t local_user_gid = (gid_t)(-1);
762uid_t local_user_uid = (uid_t)(-1);
763
764tree_node *localpartlist_anchor= NULL;
765int localpartlist_count = 0;
766uschar *log_buffer = NULL;
767unsigned int log_extra_selector = LX_default;
768uschar *log_file_path = US LOG_FILE_PATH
769 "\0<--------------Space to patch log_file_path->";
770
771/* Those log options with L_xxx identifiers have values less than 0x800000 and
772are the ones that get put into log_write_selector. They can be used in calls to
773log_write() to test for the bit. The options with LX_xxx identifiers have
3f0945ff 774values greater than 0x80000000 and are put into log_extra_selector (without the
059ec3d9
PH
775top bit). They are never used in calls to log_write(), but are tested
776independently. This separation became necessary when the number of log
777selectors was getting close to filling a 32-bit word. */
778
f3f065bb
PH
779/* Note that this list must be in alphabetical order. */
780
059ec3d9 781bit_table log_options[] = {
3c0a92dc 782 { US"8bitmime", LX_8bitmime },
49826d12 783 { US"acl_warn_skipped", LX_acl_warn_skipped },
059ec3d9
PH
784 { US"address_rewrite", L_address_rewrite },
785 { US"all", L_all },
786 { US"all_parents", L_all_parents },
787 { US"arguments", LX_arguments },
788 { US"connection_reject", L_connection_reject },
789 { US"delay_delivery", L_delay_delivery },
790 { US"deliver_time", LX_deliver_time },
791 { US"delivery_size", LX_delivery_size },
792 { US"dnslist_defer", L_dnslist_defer },
793 { US"etrn", L_etrn },
794 { US"host_lookup_failed", L_host_lookup_failed },
795 { US"ident_timeout", LX_ident_timeout },
796 { US"incoming_interface", LX_incoming_interface },
797 { US"incoming_port", LX_incoming_port },
798 { US"lost_incoming_connection", L_lost_incoming_connection },
799 { US"outgoing_port", LX_outgoing_port },
f3f065bb 800 { US"pid", LX_pid },
a3c86431
TL
801#ifdef EXPERIMENTAL_PROXY
802 { US"proxy", LX_proxy },
803#endif
059ec3d9
PH
804 { US"queue_run", L_queue_run },
805 { US"queue_time", LX_queue_time },
2ac0e484 806 { US"queue_time_overall", LX_queue_time_overall },
059ec3d9
PH
807 { US"received_recipients", LX_received_recipients },
808 { US"received_sender", LX_received_sender },
809 { US"rejected_header", LX_rejected_header },
810 { US"rejected_headers", LX_rejected_header },
811 { US"retry_defer", L_retry_defer },
812 { US"return_path_on_delivery", LX_return_path_on_delivery },
813 { US"sender_on_delivery", LX_sender_on_delivery },
278c6e6c 814 { US"sender_verify_fail", LX_sender_verify_fail },
059ec3d9
PH
815 { US"size_reject", L_size_reject },
816 { US"skip_delivery", L_skip_delivery },
817 { US"smtp_confirmation", LX_smtp_confirmation },
818 { US"smtp_connection", L_smtp_connection },
819 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
c8e2fc1e 820 { US"smtp_mailauth", LX_smtp_mailauth },
b4ed4da0 821 { US"smtp_no_mail", LX_smtp_no_mail },
059ec3d9
PH
822 { US"smtp_protocol_error", L_smtp_protocol_error },
823 { US"smtp_syntax_error", L_smtp_syntax_error },
824 { US"subject", LX_subject },
825 { US"tls_certificate_verified", LX_tls_certificate_verified },
826 { US"tls_cipher", LX_tls_cipher },
1130bfb0 827 { US"tls_peerdn", LX_tls_peerdn },
3f0945ff 828 { US"tls_sni", LX_tls_sni },
1130bfb0 829 { US"unknown_in_list", LX_unknown_in_list }
059ec3d9
PH
830};
831
832int log_options_count = sizeof(log_options)/sizeof(bit_table);
6ea85e9a 833int log_reject_target = 0;
059ec3d9
PH
834uschar *log_selector_string = NULL;
835FILE *log_stderr = NULL;
836BOOL log_testing_mode = FALSE;
837BOOL log_timezone = FALSE;
6ea85e9a 838unsigned int log_write_selector= L_default;
059ec3d9
PH
839uschar *login_sender_address = NULL;
840int lookup_open_max = 25;
841uschar *lookup_value = NULL;
842
843macro_item *macros = NULL;
844uschar *mailstore_basename = NULL;
8523533c
TK
845#ifdef WITH_CONTENT_SCAN
846uschar *malware_name = NULL; /* Virus Name */
847#endif
d677b2f2 848int max_received_linelength= 0;
059ec3d9
PH
849int max_username_length = 0;
850int message_age = 0;
851uschar *message_body = NULL;
852uschar *message_body_end = NULL;
ddea74fa 853BOOL message_body_newlines = FALSE;
059ec3d9
PH
854int message_body_size = 0;
855int message_body_visible = 500;
856int message_ended = END_NOTSTARTED;
857uschar *message_headers = NULL;
858uschar *message_id;
859uschar *message_id_domain = NULL;
860uschar *message_id_text = NULL;
861struct timeval message_id_tv = { 0, 0 };
862uschar message_id_option[MESSAGE_ID_LENGTH + 3];
863uschar *message_id_external;
864int message_linecount = 0;
865BOOL message_logs = TRUE;
866int message_size = 0;
867uschar *message_size_limit = US"50M";
868uschar message_subdir[2] = { 0, 0 };
869uschar *message_reference = NULL;
8523533c
TK
870
871/* MIME ACL expandables */
872#ifdef WITH_CONTENT_SCAN
f7b63901 873int mime_anomaly_level = 0;
1ba28e2b 874const uschar *mime_anomaly_text = NULL;
8523533c
TK
875uschar *mime_boundary = NULL;
876uschar *mime_charset = NULL;
877uschar *mime_content_description = NULL;
878uschar *mime_content_disposition = NULL;
879uschar *mime_content_id = NULL;
880unsigned int mime_content_size = 0;
881uschar *mime_content_transfer_encoding = NULL;
882uschar *mime_content_type = NULL;
883uschar *mime_decoded_filename = NULL;
884uschar *mime_filename = NULL;
885int mime_is_multipart = 0;
886int mime_is_coverletter = 0;
887int mime_is_rfc822 = 0;
888int mime_part_count = -1;
889#endif
890
059ec3d9
PH
891BOOL mua_wrapper = FALSE;
892
893uid_t *never_users = NULL;
8523533c
TK
894#ifdef WITH_CONTENT_SCAN
895BOOL no_mbox_unspool = FALSE;
896#endif
059ec3d9
PH
897BOOL no_multiline_responses = FALSE;
898
899uid_t original_euid;
900gid_t originator_gid;
901uschar *originator_login = NULL;
902uschar *originator_name = NULL;
903uid_t originator_uid;
904uschar *override_local_interfaces = NULL;
905uschar *override_pid_file_path = NULL;
906
907BOOL parse_allow_group = FALSE;
908BOOL parse_found_group = FALSE;
909uschar *percent_hack_domains = NULL;
910uschar *pid_file_path = US PID_FILE_PATH
911 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 912BOOL pipelining_enable = TRUE;
059ec3d9
PH
913uschar *pipelining_advertise_hosts = US"*";
914BOOL preserve_message_logs = FALSE;
915uschar *primary_hostname = NULL;
916BOOL print_topbitchars = FALSE;
917uschar process_info[PROCESS_INFO_SIZE];
921b12ca 918int process_info_len = 0;
059ec3d9
PH
919uschar *process_log_path = NULL;
920BOOL prod_requires_admin = TRUE;
a3c86431
TL
921
922#ifdef EXPERIMENTAL_PROXY
a3bddaa8
TL
923uschar *proxy_host_address = US"";
924int proxy_host_port = 0;
a3c86431
TL
925uschar *proxy_required_hosts = US"";
926BOOL proxy_session = FALSE;
927BOOL proxy_session_failed = FALSE;
eb57651e
TL
928uschar *proxy_target_address = US"";
929int proxy_target_port = 0;
a3c86431
TL
930#endif
931
fffda43a
TK
932uschar *prvscheck_address = NULL;
933uschar *prvscheck_keynum = NULL;
934uschar *prvscheck_result = NULL;
935
059ec3d9
PH
936
937uschar *qualify_domain_recipient = NULL;
938uschar *qualify_domain_sender = NULL;
939BOOL queue_2stage = FALSE;
940uschar *queue_domains = NULL;
941int queue_interval = -1;
942BOOL queue_list_requires_admin = TRUE;
943BOOL queue_only = FALSE;
944uschar *queue_only_file = NULL;
945int queue_only_load = -1;
8669f003 946BOOL queue_only_load_latch = TRUE;
059ec3d9
PH
947BOOL queue_only_override = TRUE;
948BOOL queue_only_policy = FALSE;
949BOOL queue_run_first_delivery = FALSE;
950BOOL queue_run_force = FALSE;
951BOOL queue_run_in_order = FALSE;
952BOOL queue_run_local = FALSE;
953int queue_run_max = 5;
954pid_t queue_run_pid = (pid_t)0;
955int queue_run_pipe = -1;
956BOOL queue_running = FALSE;
957BOOL queue_smtp = FALSE;
958uschar *queue_smtp_domains = NULL;
959
960unsigned int random_seed = 0;
fe0dab11 961tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF
962tree_node *ratelimiters_conn = NULL;
963tree_node *ratelimiters_mail = NULL;
059ec3d9
PH
964uschar *raw_active_hostname = NULL;
965uschar *raw_sender = NULL;
966uschar **raw_recipients = NULL;
967int raw_recipients_count = 0;
968
969int rcpt_count = 0;
970int rcpt_fail_count = 0;
971int rcpt_defer_count = 0;
972gid_t real_gid;
973uid_t real_uid;
974BOOL really_exim = TRUE;
975BOOL receive_call_bombout = FALSE;
976int receive_linecount = 0;
977int receive_messagecount = 0;
978int receive_timeout = 0;
979int received_count = 0;
980uschar *received_for = NULL;
981
982/* This is the default text for Received headers generated by Exim. The
983date will be automatically added on the end. */
984
985uschar *received_header_text = US
986 "Received: "
987 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 988 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH
989 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
990 "by $primary_hostname "
991 "${if def:received_protocol {with $received_protocol}} "
992 #ifdef SUPPORT_TLS
993 "${if def:tls_cipher {($tls_cipher)\n\t}}"
994 #endif
995 "(Exim $version_number)\n\t"
3e46c1aa 996 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 997 "id $message_exim_id"
059ec3d9
PH
998 "${if def:received_for {\n\tfor $received_for}}"
999 "\0<---------------Space to patch received_header_text->";
1000
1001int received_headers_max = 30;
1002uschar *received_protocol = NULL;
1003int received_time = 0;
1004uschar *recipient_data = NULL;
1005uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1006uschar *recipient_verify_failure = NULL;
059ec3d9
PH
1007int recipients_count = 0;
1008BOOL recipients_discarded = FALSE;
1009recipient_item *recipients_list = NULL;
1010int recipients_list_max = 0;
1011int recipients_max = 0;
1012BOOL recipients_max_reject = FALSE;
1013const pcre *regex_AUTH = NULL;
1014const pcre *regex_check_dns_names = NULL;
1015const pcre *regex_From = NULL;
f1513293 1016const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH
1017const pcre *regex_PIPELINING = NULL;
1018const pcre *regex_SIZE = NULL;
a5bd321b 1019const pcre *regex_smtp_code = NULL;
059ec3d9 1020const pcre *regex_ismsgid = NULL;
a7cbbf50
PP
1021#ifdef WHITELIST_D_MACROS
1022const pcre *regex_whitelisted_macro = NULL;
1023#endif
8523533c
TK
1024#ifdef WITH_CONTENT_SCAN
1025uschar *regex_match_string = NULL;
1026#endif
059ec3d9
PH
1027int remote_delivery_count = 0;
1028int remote_max_parallel = 2;
1029uschar *remote_sort_domains = NULL;
1030int retry_data_expire = 7*24*60*60;
1031int retry_interval_max = 24*60*60;
1032int retry_maximum_timeout = 0; /* set from retry config */
1033retry_config *retries = NULL;
1034uschar *return_path = NULL;
1035BOOL return_path_remove = TRUE;
1036int rewrite_existflags = 0;
1037uschar *rfc1413_hosts = US"*";
8def5aaf 1038int rfc1413_query_timeout = 5;
059ec3d9 1039/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1040uid_t root_gid = ROOT_GID;
059ec3d9
PH
1041uid_t root_uid = ROOT_UID;
1042
1043router_instance *routers = NULL;
1044router_instance router_defaults = {
1045 NULL, /* chain pointer */
1046 NULL, /* name */
1047 NULL, /* info */
1048 NULL, /* private options block pointer */
1049 NULL, /* driver name */
1050
1051 NULL, /* address_data */
8523533c
TK
1052#ifdef EXPERIMENTAL_BRIGHTMAIL
1053 NULL, /* bmi_rule */
8e669ac1 1054#endif
059ec3d9
PH
1055 NULL, /* cannot_route_message */
1056 NULL, /* condition */
1057 NULL, /* current_directory */
1058 NULL, /* debug_string */
1059 NULL, /* domains */
1060 NULL, /* errors_to */
1061 NULL, /* expand_gid */
1062 NULL, /* expand_uid */
1063 NULL, /* expand_more */
1064 NULL, /* expand_unseen */
1065 NULL, /* extra_headers */
1066 NULL, /* fallback_hosts */
1067 NULL, /* home_directory */
1068 NULL, /* ignore_target_hosts */
1069 NULL, /* local_parts */
1070 NULL, /* pass_router_name */
1071 NULL, /* prefix */
1072 NULL, /* redirect_router_name */
1073 NULL, /* remove_headers */
1074 NULL, /* require_files */
1075 NULL, /* router_home_directory */
1076 US"freeze", /* self */
1077 NULL, /* senders */
1078 NULL, /* suffix */
1079 NULL, /* translate_ip_address */
1080 NULL, /* transport_name */
1081
1082 TRUE, /* address_test */
8523533c
TK
1083#ifdef EXPERIMENTAL_BRIGHTMAIL
1084 FALSE, /* bmi_deliver_alternate */
1085 FALSE, /* bmi_deliver_default */
1086 FALSE, /* bmi_dont_deliver */
1087#endif
059ec3d9
PH
1088 TRUE, /* expn */
1089 FALSE, /* caseful_local_part */
1090 FALSE, /* check_local_user */
1091 FALSE, /* disable_logging */
1092 FALSE, /* fail_verify_recipient */
1093 FALSE, /* fail_verify_sender */
1094 FALSE, /* gid_set */
1095 FALSE, /* initgroups */
1096 TRUE_UNSET, /* log_as_local */
1097 TRUE, /* more */
1098 FALSE, /* pass_on_timeout */
1099 FALSE, /* prefix_optional */
1100 TRUE, /* repeat_use */
1101 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1102 FALSE, /* same_domain_copy_routing */
1103 FALSE, /* self_rewrite */
1104 FALSE, /* suffix_optional */
1105 FALSE, /* verify_only */
1106 TRUE, /* verify_recipient */
1107 TRUE, /* verify_sender */
1108 FALSE, /* uid_set */
1109 FALSE, /* unseen */
1110
1111 self_freeze, /* self_code */
1112 (uid_t)(-1), /* uid */
1113 (gid_t)(-1), /* gid */
1114
1115 NULL, /* fallback_hostlist */
1116 NULL, /* transport instance */
1117 NULL, /* pass_router */
1118 NULL /* redirect_router */
1119};
1120
181d9bf8
JH
1121uschar *router_name = NULL;
1122
059ec3d9
PH
1123ip_address_item *running_interfaces = NULL;
1124BOOL running_in_test_harness = FALSE;
1125
1126/* This is a weird one. The following string gets patched in the binary by the
1127script that sets up a copy of Exim for running in the test harness. It seems
1128that compilers are now clever, and share constant strings if they can.
1129Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1130make use of the end of this string in order to save space. So the patching then
8669f003 1131wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH
1132onto the end of the string. */
1133
1134uschar *running_status = US">>>running<<<" "\0EXTRA";
1135
1136int runrc = 0;
1137
1138uschar *search_error_message = NULL;
1139BOOL search_find_defer = FALSE;
1140uschar *self_hostname = NULL;
1141uschar *sender_address = NULL;
1142unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1143uschar *sender_address_data = NULL;
059ec3d9
PH
1144BOOL sender_address_forced = FALSE;
1145uschar *sender_address_unrewritten = NULL;
1146uschar *sender_data = NULL;
1147unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1148uschar *sender_fullhost = NULL;
1149uschar *sender_helo_name = NULL;
1150uschar **sender_host_aliases = &no_aliases;
1151uschar *sender_host_address = NULL;
1152uschar *sender_host_authenticated = NULL;
1153unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1154BOOL sender_host_dnssec = FALSE;
059ec3d9
PH
1155uschar *sender_host_name = NULL;
1156int sender_host_port = 0;
1157BOOL sender_host_notsocket = FALSE;
1158BOOL sender_host_unknown = FALSE;
1159uschar *sender_ident = NULL;
1160BOOL sender_local = FALSE;
2fe1a124 1161BOOL sender_name_forced = FALSE;
870f6ba8
TF
1162uschar *sender_rate = NULL;
1163uschar *sender_rate_limit = NULL;
1164uschar *sender_rate_period = NULL;
059ec3d9
PH
1165uschar *sender_rcvhost = NULL;
1166BOOL sender_set_untrusted = FALSE;
1167uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1168uschar *sender_verify_failure = NULL;
059ec3d9
PH
1169address_item *sender_verified_list = NULL;
1170address_item *sender_verified_failed = NULL;
1171int sender_verified_rc = -1;
1172BOOL sender_verified_responded = FALSE;
41c7c167
PH
1173uschar *sending_ip_address = NULL;
1174int sending_port = -1;
cd59ab18 1175SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9
PH
1176uschar **sighup_argv = NULL;
1177int smtp_accept_count = 0;
1178BOOL smtp_accept_keepalive = TRUE;
1179int smtp_accept_max = 20;
1180int smtp_accept_max_nonmail= 10;
1181uschar *smtp_accept_max_nonmail_hosts = US"*";
1182int smtp_accept_max_per_connection = 1000;
1183uschar *smtp_accept_max_per_host = NULL;
1184int smtp_accept_queue = 0;
1185int smtp_accept_queue_per_connection = 10;
1186int smtp_accept_reserve = 0;
1187uschar *smtp_active_hostname = NULL;
1188BOOL smtp_authenticated = FALSE;
1f5b4c3d 1189uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH
1190 "Exim $version_number $tod_full"
1191 "\0<---------------Space to patch smtp_banner->";
1192BOOL smtp_batched_input = FALSE;
1193BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1194int smtp_ch_index = 0;
3ee512ff
PH
1195uschar *smtp_cmd_argument = NULL;
1196uschar *smtp_cmd_buffer = NULL;
b4ed4da0
PH
1197time_t smtp_connection_start = 0;
1198uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH
1199int smtp_connect_backlog = 20;
1200double smtp_delay_mail = 0.0;
1201double smtp_delay_rcpt = 0.0;
1202BOOL smtp_enforce_sync = TRUE;
1203FILE *smtp_in = NULL;
1204BOOL smtp_input = FALSE;
1205int smtp_load_reserve = -1;
1206int smtp_mailcmd_count = 0;
1207FILE *smtp_out = NULL;
1208uschar *smtp_etrn_command = NULL;
1209BOOL smtp_etrn_serialize = TRUE;
1210int smtp_max_synprot_errors= 3;
1211int smtp_max_unknown_commands = 3;
8f128379 1212uschar *smtp_notquit_reason = NULL;
059ec3d9
PH
1213uschar *smtp_ratelimit_hosts = NULL;
1214uschar *smtp_ratelimit_mail = NULL;
1215uschar *smtp_ratelimit_rcpt = NULL;
1216uschar *smtp_read_error = US"";
1217int smtp_receive_timeout = 5*60;
1218uschar *smtp_reserve_hosts = NULL;
1219BOOL smtp_return_error_details = FALSE;
1220int smtp_rlm_base = 0;
1221double smtp_rlm_factor = 0.0;
1222int smtp_rlm_limit = 0;
1223int smtp_rlm_threshold = INT_MAX;
1224int smtp_rlr_base = 0;
1225double smtp_rlr_factor = 0.0;
1226int smtp_rlr_limit = 0;
1227int smtp_rlr_threshold = INT_MAX;
1228BOOL smtp_use_pipelining = FALSE;
1229BOOL smtp_use_size = FALSE;
8523533c
TK
1230
1231#ifdef WITH_CONTENT_SCAN
1232uschar *spamd_address = US"127.0.0.1 783";
1233uschar *spam_bar = NULL;
1234uschar *spam_report = NULL;
1235uschar *spam_score = NULL;
1236uschar *spam_score_int = NULL;
1237#endif
1238#ifdef EXPERIMENTAL_SPF
65a7d8c3 1239uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK
1240uschar *spf_header_comment = NULL;
1241uschar *spf_received = NULL;
1242uschar *spf_result = NULL;
1243uschar *spf_smtp_comment = NULL;
1244#endif
1245
059ec3d9
PH
1246BOOL split_spool_directory = FALSE;
1247uschar *spool_directory = US SPOOL_DIRECTORY
1248 "\0<--------------Space to patch spool_directory->";
8523533c
TK
1249#ifdef EXPERIMENTAL_SRS
1250uschar *srs_config = NULL;
1251uschar *srs_db_address = NULL;
1252uschar *srs_db_key = NULL;
384152a6
TK
1253int srs_hashlength = 6;
1254int srs_hashmin = -1;
1255int srs_maxage = 31;
8523533c
TK
1256uschar *srs_orig_recipient = NULL;
1257uschar *srs_orig_sender = NULL;
1258uschar *srs_recipient = NULL;
384152a6 1259uschar *srs_secrets = NULL;
8523533c 1260uschar *srs_status = NULL;
384152a6
TK
1261BOOL srs_usehash = TRUE;
1262BOOL srs_usetimestamp = TRUE;
8e669ac1 1263#endif
38a0a95f 1264BOOL strict_acl_vars = FALSE;
059ec3d9 1265int string_datestamp_offset= -1;
f1e5fef5
PP
1266int string_datestamp_length= 0;
1267int string_datestamp_type = -1;
059ec3d9
PH
1268BOOL strip_excess_angle_brackets = FALSE;
1269BOOL strip_trailing_dot = FALSE;
1270uschar *submission_domain = NULL;
1271BOOL submission_mode = FALSE;
2fe1a124 1272uschar *submission_name = NULL;
8800895a 1273BOOL suppress_local_fixups = FALSE;
f4ee74ac 1274BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH
1275BOOL synchronous_delivery = FALSE;
1276BOOL syslog_duplication = TRUE;
1277int syslog_facility = LOG_MAIL;
1278uschar *syslog_processname = US"exim";
1279BOOL syslog_timestamp = TRUE;
1280uschar *system_filter = NULL;
1281
1282uschar *system_filter_directory_transport = NULL;
1283uschar *system_filter_file_transport = NULL;
1284uschar *system_filter_pipe_transport = NULL;
1285uschar *system_filter_reply_transport = NULL;
1286
1287gid_t system_filter_gid = 0;
1288BOOL system_filter_gid_set = FALSE;
79d4bc3d 1289uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH
1290BOOL system_filter_uid_set = FALSE;
1291BOOL system_filtering = FALSE;
1292
1293BOOL tcp_nodelay = TRUE;
5dc43717
JJ
1294#ifdef USE_TCP_WRAPPERS
1295uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1296#endif
8669f003 1297int test_harness_load_avg = 0;
059ec3d9
PH
1298int thismessage_size_limit = 0;
1299int timeout_frozen_after = 0;
1300BOOL timestamps_utc = FALSE;
1301
d68218c7
JH
1302#ifdef EXPERIMENTAL_TPDA
1303int tpda_defer_errno = 0;
1304uschar *tpda_defer_errstr = NULL;
1305uschar *tpda_delivery_ip = NULL;
1306int tpda_delivery_port = 0;
1307uschar *tpda_delivery_fqdn = NULL;
1308uschar *tpda_delivery_local_part= NULL;
1309uschar *tpda_delivery_domain = NULL;
1310uschar *tpda_delivery_confirmation = NULL;
1311#endif
1312
059ec3d9
PH
1313transport_instance *transports = NULL;
1314
1315transport_instance transport_defaults = {
1316 NULL, /* chain pointer */
1317 NULL, /* name */
1318 NULL, /* info */
1319 NULL, /* private options block pointer */
1320 NULL, /* driver name */
1321 NULL, /* setup entry point */
1322 1, /* batch_max */
1323 NULL, /* batch_id */
1324 NULL, /* home_dir */
1325 NULL, /* current_dir */
1326 TRUE, /* multi-domain */
1327 FALSE, /* overrides_hosts */
1328 100, /* max_addresses */
1329 500, /* connection_max_messages */
1330 FALSE, /* deliver_as_creator */
1331 FALSE, /* disable_logging */
1332 FALSE, /* initgroups */
1333 FALSE, /* uid_set */
1334 FALSE, /* gid_set */
1335 (uid_t)(-1), /* uid */
1336 (gid_t)(-1), /* gid */
1337 NULL, /* expand_uid */
1338 NULL, /* expand_gid */
1339 NULL, /* warn_message */
1340 NULL, /* shadow */
1341 NULL, /* shadow_condition */
1342 NULL, /* filter_command */
1343 NULL, /* add_headers */
1344 NULL, /* remove_headers */
1345 NULL, /* return_path */
1346 NULL, /* debug_string */
1347 NULL, /* message_size_limit */
1348 NULL, /* headers_rewrite */
1349 NULL, /* rewrite_rules */
1350 0, /* rewrite_existflags */
1351 300, /* filter_timeout */
1352 FALSE, /* body_only */
1353 FALSE, /* delivery_date_add */
1354 FALSE, /* envelope_to_add */
1355 FALSE, /* headers_only */
1356 FALSE, /* rcpt_include_affixes */
1357 FALSE, /* return_path_add */
1358 FALSE, /* return_output */
1359 FALSE, /* return_fail_output */
1360 FALSE, /* log_output */
1361 FALSE, /* log_fail_output */
1362 FALSE, /* log_defer_output */
1363 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1364 1 nor 0 so can detect unset */
1365};
1366
1367int transport_count;
181d9bf8 1368uschar *transport_name = NULL;
332f5cf3 1369int transport_newlines;
059ec3d9
PH
1370uschar **transport_filter_argv = NULL;
1371int transport_filter_timeout;
2e2a30b4 1372BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH
1373int transport_write_timeout= 0;
1374
1375tree_node *tree_dns_fails = NULL;
1376tree_node *tree_duplicates = NULL;
1377tree_node *tree_nonrecipients = NULL;
1378tree_node *tree_unusable = NULL;
1379
1380BOOL trusted_caller = FALSE;
e2f5dc15 1381BOOL trusted_config = TRUE;
059ec3d9
PH
1382gid_t *trusted_groups = NULL;
1383uid_t *trusted_users = NULL;
1384uschar *timezone_string = US TIMEZONE_DEFAULT;
1385
1386uschar *unknown_login = NULL;
1387uschar *unknown_username = NULL;
1388uschar *untrusted_set_sender = NULL;
1389
1390/* A regex for matching a "From_" line in an incoming message, in the form
1391
1392 From ph10 Fri Jan 5 12:35 GMT 1996
1393
1394which the "mail" commands send to the MTA (undocumented, of course), or in
1395the form
1396
1397 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1398
1399which is apparently used by some UUCPs, despite it not being in RFC 976.
1400Because of variations in time formats, just match up to the minutes. That
1401should be sufficient. Examples have been seen of time fields like 12:1:03,
1402so just require one digit for hours and minutes. The weekday is also absent
1403in some forms. */
1404
1405uschar *uucp_from_pattern = US
1406 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1407 "(?:" /* Non-extracting bracket */
1408 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1409 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1410 ")" /* End alternation */
1411 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1412
1413uschar *uucp_from_sender = US"$1";
1414
1415uschar *warn_message_file = NULL;
1416uschar *warnmsg_delay = NULL;
1417uschar *warnmsg_recipients = NULL;
1418BOOL write_rejectlog = TRUE;
1419
f45100a3 1420uschar *version_copyright =
a11efec0
PP
1421 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1422 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
059ec3d9
PH
1423uschar *version_date = US"?";
1424uschar *version_cnumber = US"????";
1425uschar *version_string = US"?";
1426
1427int warning_count = 0;
1428
1429/* End of globals.c */