Use retval from sprintf while walking buffers
[exim.git] / src / src / globals.c
CommitLineData
059ec3d9
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
d4e5e70b 5/* Copyright (c) University of Cambridge 1995 - 2017 */
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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
059ec3d9
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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[] = {
6c512171
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18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
6f123593
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20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
059ec3d9
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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)) },
059ec3d9
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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
c0b9d3e8 38int optionlist_auths_size = nelem(optionlist_auths);
059ec3d9
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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;
2f680c0c 52BOOL opt_perl_taintmode = FALSE;
059ec3d9
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53#endif
54
1a46a8c5
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55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
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59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
bc19a55b
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64uschar *eldap_ca_cert_dir = NULL;
65uschar *eldap_ca_cert_file = NULL;
66uschar *eldap_cert_file = NULL;
67uschar *eldap_cert_key = NULL;
68uschar *eldap_cipher_suite = NULL;
059ec3d9 69uschar *eldap_default_servers = NULL;
bc19a55b 70uschar *eldap_require_cert = NULL;
059ec3d9 71int eldap_version = -1;
bc19a55b 72BOOL eldap_start_tls = FALSE;
059ec3d9
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73#endif
74
75#ifdef LOOKUP_MYSQL
76uschar *mysql_servers = NULL;
77#endif
78
79#ifdef LOOKUP_ORACLE
80uschar *oracle_servers = NULL;
81#endif
82
83#ifdef LOOKUP_PGSQL
84uschar *pgsql_servers = NULL;
85#endif
86
de78e2d5 87#ifdef LOOKUP_REDIS
9bdd29ad
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88uschar *redis_servers = NULL;
89#endif
90
31480e42
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91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
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95#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96BOOL move_frozen_messages = FALSE;
97#endif
98
99/* These variables are outside the #ifdef because it keeps the code less
100cluttered in several places (e.g. during logging) if we can always refer to
101them. Also, the tls_ variables are now always visible. */
102
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103tls_support tls_in = {
104 -1, /* tls_active */
105 0, /* tls_bits */
106 FALSE,/* tls_certificate_verified */
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107#ifdef EXPERIMENTAL_DANE
108 FALSE,/* dane_verified */
594706ea 109 0, /* tlsa_usage */
85098ee7 110#endif
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111 NULL, /* tls_cipher */
112 FALSE,/* tls_on_connect */
113 NULL, /* tls_on_connect_ports */
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114 NULL, /* tls_ourcert */
115 NULL, /* tls_peercert */
817d9f57 116 NULL, /* tls_peerdn */
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117 NULL, /* tls_sni */
118 0 /* tls_ocsp */
817d9f57
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119};
120tls_support tls_out = {
121 -1, /* tls_active */
122 0, /* tls_bits */
123 FALSE,/* tls_certificate_verified */
85098ee7
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124#ifdef EXPERIMENTAL_DANE
125 FALSE,/* dane_verified */
594706ea 126 0, /* tlsa_usage */
85098ee7 127#endif
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128 NULL, /* tls_cipher */
129 FALSE,/* tls_on_connect */
130 NULL, /* tls_on_connect_ports */
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131 NULL, /* tls_ourcert */
132 NULL, /* tls_peercert */
817d9f57 133 NULL, /* tls_peerdn */
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134 NULL, /* tls_sni */
135 0 /* tls_ocsp */
817d9f57
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136};
137
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138uschar *dsn_envid = NULL;
139int dsn_ret = 0;
140const pcre *regex_DSN = NULL;
6c1c3d1d 141uschar *dsn_advertise_hosts = NULL;
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142
143#ifdef SUPPORT_TLS
e6060e2c 144BOOL gnutls_compat_mode = FALSE;
2519e60d 145BOOL gnutls_allow_auto_pkcs11 = FALSE;
77bb000f 146uschar *openssl_options = NULL;
059ec3d9 147const pcre *regex_STARTTLS = NULL;
23f3dc67 148uschar *tls_advertise_hosts = US"*";
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149uschar *tls_certificate = NULL;
150uschar *tls_crl = NULL;
3375e053
PP
151/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152that's the interop problem which has been observed: GnuTLS suggesting a higher
153bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154int tls_dh_max_bits = 2236;
059ec3d9 155uschar *tls_dhparam = NULL;
8e53a4fc 156uschar *tls_eccurve = US"auto";
23f3dc67 157# ifndef DISABLE_OCSP
3f7eeb86 158uschar *tls_ocsp_file = NULL;
23f3dc67 159# endif
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160uschar *tls_privatekey = NULL;
161BOOL tls_remember_esmtp = FALSE;
162uschar *tls_require_ciphers = NULL;
163uschar *tls_try_verify_hosts = NULL;
0e0f3f56 164uschar *tls_verify_certificates= US"system";
059ec3d9 165uschar *tls_verify_hosts = NULL;
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166#else /*!SUPPORT_TLS*/
167uschar *tls_advertise_hosts = NULL;
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168#endif
169
8ccd00b1 170#ifndef DISABLE_PRDR
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171/* Per Recipient Data Response variables */
172BOOL prdr_enable = FALSE;
173BOOL prdr_requested = FALSE;
174const pcre *regex_PRDR = NULL;
175#endif
059ec3d9 176
8c5d388a 177#ifdef SUPPORT_I18N
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178const pcre *regex_UTF8 = NULL;
179#endif
180
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181/* Input-reading functions for messages, so we can use special ones for
182incoming TCP/IP. The defaults use stdin. We never need these for any
183stand-alone tests. */
184
d185889f 185#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
bd8fbe36 186int (*lwr_receive_getc)(unsigned) = stdin_getc;
0d81dabc 187uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
7e3ce68e 188int (*lwr_receive_ungetc)(int) = stdin_ungetc;
bd8fbe36 189int (*receive_getc)(unsigned) = stdin_getc;
0d81dabc 190uschar * (*receive_getbuf)(unsigned *) = NULL;
584e96c6 191void (*receive_get_cache)(void)= NULL;
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192int (*receive_ungetc)(int) = stdin_ungetc;
193int (*receive_feof)(void) = stdin_feof;
194int (*receive_ferror)(void) = stdin_ferror;
58eb016e 195BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
059ec3d9
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196#endif
197
198
199/* List of per-address expansion variables for clearing and saving/restoring
200when verifying one address while routing/verifying another. We have to have
201the size explicit, because it is referenced from more than one module. */
202
55414b25
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203const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
216 CUSS &deliver_host,
217 CUSS &deliver_home,
218 CUSS &address_file,
219 CUSS &address_pipe,
220 CUSS &self_hostname,
059ec3d9
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221 NULL };
222
223int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225/* General global variables */
226
71fafd95 227header_line *acl_added_headers = NULL;
059ec3d9 228tree_node *acl_anchor = NULL;
525239c1
JH
229uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231int acl_narg = 0;
8f128379 232
e1d04f48
JH
233int acl_level = 0;
234
059ec3d9 235uschar *acl_not_smtp = NULL;
54cdb463
PH
236#ifdef WITH_CONTENT_SCAN
237uschar *acl_not_smtp_mime = NULL;
238#endif
45b91596 239uschar *acl_not_smtp_start = NULL;
e7568d51 240uschar *acl_removed_headers = NULL;
059ec3d9
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241uschar *acl_smtp_auth = NULL;
242uschar *acl_smtp_connect = NULL;
243uschar *acl_smtp_data = NULL;
8ccd00b1 244#ifndef DISABLE_PRDR
ad07e9ad 245uschar *acl_smtp_data_prdr = US"accept";
fd98a5c6 246#endif
80a47a2c
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247#ifndef DISABLE_DKIM
248uschar *acl_smtp_dkim = NULL;
249#endif
059ec3d9
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250uschar *acl_smtp_etrn = NULL;
251uschar *acl_smtp_expn = NULL;
252uschar *acl_smtp_helo = NULL;
253uschar *acl_smtp_mail = NULL;
254uschar *acl_smtp_mailauth = NULL;
8523533c
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255#ifdef WITH_CONTENT_SCAN
256uschar *acl_smtp_mime = NULL;
257#endif
8f128379 258uschar *acl_smtp_notquit = NULL;
059ec3d9
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259uschar *acl_smtp_predata = NULL;
260uschar *acl_smtp_quit = NULL;
261uschar *acl_smtp_rcpt = NULL;
262uschar *acl_smtp_starttls = NULL;
263uschar *acl_smtp_vrfy = NULL;
8f128379 264
059ec3d9 265BOOL acl_temp_details = FALSE;
38a0a95f
PH
266tree_node *acl_var_c = NULL;
267tree_node *acl_var_m = NULL;
059ec3d9 268uschar *acl_verify_message = NULL;
059ec3d9
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269string_item *acl_warn_logged = NULL;
270
271/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
273
274uschar *acl_wherenames[] = { US"RCPT",
275 US"MAIL",
276 US"PREDATA",
8523533c 277 US"MIME",
80a47a2c 278 US"DKIM",
059ec3d9 279 US"DATA",
8ccd00b1 280#ifndef DISABLE_PRDR
fd98a5c6
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281 US"PRDR",
282#endif
059ec3d9
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283 US"non-SMTP",
284 US"AUTH",
285 US"connection",
286 US"ETRN",
287 US"EXPN",
288 US"EHLO or HELO",
289 US"MAILAUTH",
45b91596 290 US"non-SMTP-start",
8f128379 291 US"NOTQUIT",
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292 US"QUIT",
293 US"STARTTLS",
723c72e6 294 US"VRFY",
faa05a93
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295 US"delivery",
296 US"unknown"
059ec3d9
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297 };
298
a5bd321b
PH
299uschar *acl_wherecodes[] = { US"550", /* RCPT */
300 US"550", /* MAIL */
301 US"550", /* PREDATA */
302 US"550", /* MIME */
80a47a2c 303 US"550", /* DKIM */
a5bd321b 304 US"550", /* DATA */
8ccd00b1 305#ifndef DISABLE_PRDR
fd98a5c6
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306 US"550", /* RCPT PRDR */
307#endif
a5bd321b
PH
308 US"0", /* not SMTP; not relevant */
309 US"503", /* AUTH */
310 US"550", /* connect */
311 US"458", /* ETRN */
312 US"550", /* EXPN */
313 US"550", /* HELO/EHLO */
314 US"0", /* MAILAUTH; not relevant */
315 US"0", /* not SMTP; not relevant */
8f128379 316 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH
317 US"0", /* QUIT; not relevant */
318 US"550", /* STARTTLS */
723c72e6 319 US"252", /* VRFY */
faa05a93 320 US"0", /* delivery; not relevant */
723c72e6 321 US"0" /* unknown; not relevant */
059ec3d9 322 };
8e669ac1 323
69358f02
PH
324BOOL active_local_from_check = FALSE;
325BOOL active_local_sender_retain = FALSE;
9cbad13b 326BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
bc3c7bb7 327uschar *add_environment = NULL;
059ec3d9
PH
328address_item *addr_duplicate = NULL;
329
330address_item address_defaults = {
331 NULL, /* next */
332 NULL, /* parent */
333 NULL, /* first */
334 NULL, /* dupof */
335 NULL, /* start_router */
336 NULL, /* router */
337 NULL, /* transport */
338 NULL, /* host_list */
339 NULL, /* host_used */
340 NULL, /* fallback_hosts */
341 NULL, /* reply */
342 NULL, /* retries */
343 NULL, /* address */
344 NULL, /* unique */
345 NULL, /* cc_local_part */
346 NULL, /* lc_local_part */
347 NULL, /* local_part */
348 NULL, /* prefix */
349 NULL, /* suffix */
350 NULL, /* domain */
351 NULL, /* address_retry_key */
352 NULL, /* domain_retry_key */
353 NULL, /* current_dir */
354 NULL, /* home_dir */
355 NULL, /* message */
356 NULL, /* user_message */
357 NULL, /* onetime_parent */
358 NULL, /* pipe_expandn */
359 NULL, /* return_filename */
360 NULL, /* self_hostname */
361 NULL, /* shadow_message */
895fbaf2 362#ifdef SUPPORT_TLS
059ec3d9 363 NULL, /* cipher */
9d1c15ef
JH
364 NULL, /* ourcert */
365 NULL, /* peercert */
059ec3d9 366 NULL, /* peerdn */
018058b2 367 OCSP_NOT_REQ, /* ocsp */
895fbaf2
JH
368#endif
369#ifdef EXPERIMENTAL_DSN_INFO
370 NULL, /* smtp_greeting */
371 NULL, /* helo_response */
372#endif
018c60d7
JH
373 NULL, /* authenticator */
374 NULL, /* auth_id */
375 NULL, /* auth_sndr */
6c1c3d1d
WB
376 NULL, /* dsn_orcpt */
377 0, /* dsn_flags */
378 0, /* dsn_aware */
059ec3d9
PH
379 (uid_t)(-1), /* uid */
380 (gid_t)(-1), /* gid */
381 0, /* flags */
382 { 0 }, /* domain_cache - any larger array should be zeroed */
383 { 0 }, /* localpart_cache - ditto */
384 -1, /* mode */
385 0, /* more_errno */
386 ERRNO_UNKNOWNERROR, /* basic_errno */
387 0, /* child_count */
388 -1, /* return_file */
389 SPECIAL_NONE, /* special_action */
390 DEFER, /* transport_return */
391 { /* fields that are propagated to children */
392 NULL, /* address_data */
393 NULL, /* domain_data */
394 NULL, /* localpart_data */
395 NULL, /* errors_address */
396 NULL, /* extra_headers */
397 NULL, /* remove_headers */
384152a6
TK
398#ifdef EXPERIMENTAL_SRS
399 NULL, /* srs_sender */
7ade712c 400#endif
8c5d388a 401#ifdef SUPPORT_I18N
7ade712c 402 FALSE, /* utf8 */
384152a6 403#endif
059ec3d9
PH
404 }
405};
406
407uschar *address_file = NULL;
408uschar *address_pipe = NULL;
409BOOL address_test_mode = FALSE;
410tree_node *addresslist_anchor = NULL;
411int addresslist_count = 0;
412gid_t *admin_groups = NULL;
413BOOL admin_user = FALSE;
c46782ef 414BOOL allow_auth_unadvertised= FALSE;
059ec3d9
PH
415BOOL allow_domain_literals = FALSE;
416BOOL allow_mx_to_ip = FALSE;
417BOOL allow_unqualified_recipient = TRUE; /* For local messages */
418BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
419BOOL allow_utf8_domains = FALSE;
2d07a215 420uschar *authenticated_fail_id = NULL;
059ec3d9
PH
421uschar *authenticated_id = NULL;
422uschar *authenticated_sender = NULL;
423BOOL authentication_failed = FALSE;
424auth_instance *auths = NULL;
425uschar *auth_advertise_hosts = US"*";
426auth_instance auth_defaults = {
427 NULL, /* chain pointer */
428 NULL, /* name */
429 NULL, /* info */
430 NULL, /* private options block pointer */
431 NULL, /* driver_name */
432 NULL, /* advertise_condition */
6c512171 433 NULL, /* client_condition */
059ec3d9
PH
434 NULL, /* public_name */
435 NULL, /* set_id */
c8e2fc1e 436 NULL, /* set_client_id */
059ec3d9
PH
437 NULL, /* server_mail_auth_condition */
438 NULL, /* server_debug_string */
16ff981e 439 NULL, /* server_condition */
059ec3d9
PH
440 FALSE, /* client */
441 FALSE, /* server */
442 FALSE /* advertised */
443};
444
445uschar *auth_defer_msg = US"reason not recorded";
446uschar *auth_defer_user_msg = US"";
f78eb7c6 447uschar *auth_vars[AUTH_VARS];
059ec3d9 448int auto_thaw = 0;
8523533c 449#ifdef WITH_CONTENT_SCAN
9e949f00 450BOOL av_failed = FALSE;
8523533c
TK
451uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
452#endif
059ec3d9
PH
453
454BOOL background_daemon = TRUE;
9a799bc0
PH
455
456#if BASE_62 == 62
059ec3d9
PH
457uschar *base62_chars=
458 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH
459#else
460uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
461#endif
462
059ec3d9
PH
463uschar *bi_command = NULL;
464uschar *big_buffer = NULL;
465int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK
466#ifdef EXPERIMENTAL_BRIGHTMAIL
467uschar *bmi_alt_location = NULL;
468uschar *bmi_base64_tracker_verdict = NULL;
469uschar *bmi_base64_verdict = NULL;
470uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
471int bmi_deliver = 1;
472int bmi_run = 0;
473uschar *bmi_verdicts = NULL;
474#endif
32b8ce41 475int bsmtp_transaction_linecount = 0;
939c3e34 476int body_8bitmime = 0;
059ec3d9
PH
477int body_linecount = 0;
478int body_zerocount = 0;
479uschar *bounce_message_file = NULL;
480uschar *bounce_message_text = NULL;
481uschar *bounce_recipient = NULL;
482BOOL bounce_return_body = TRUE;
62b7cd08 483int bounce_return_linesize_limit = 998;
059ec3d9
PH
484BOOL bounce_return_message = TRUE;
485int bounce_return_size_limit = 100*1024;
486uschar *bounce_sender_authentication = NULL;
32b8ce41 487uschar *builtin_macros_create_trigger = NULL;
059ec3d9 488
055e2cb4 489uschar *callout_address = NULL;
059ec3d9
PH
490int callout_cache_domain_positive_expire = 7*24*60*60;
491int callout_cache_domain_negative_expire = 3*60*60;
492int callout_cache_positive_expire = 24*60*60;
493int callout_cache_negative_expire = 2*60*60;
494uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 495uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
ddf1b11a
JH
496int check_log_inodes = 100;
497int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
a0d6ba8a 498BOOL check_rfc2047_length = TRUE;
ddf1b11a
JH
499int check_spool_inodes = 100;
500int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
18481de3 501
aa368db3 502uschar *chunking_advertise_hosts = US"*";
18481de3 503unsigned chunking_datasize = 0;
7e3ce68e
JH
504unsigned chunking_data_left = 0;
505BOOL chunking_offered = FALSE;
18481de3 506chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
f98442df 507const pcre *regex_CHUNKING = NULL;
18481de3 508
aa368db3
JH
509uschar *client_authenticator = NULL;
510uschar *client_authenticated_id = NULL;
511uschar *client_authenticated_sender = NULL;
059ec3d9
PH
512int clmacro_count = 0;
513uschar *clmacros[MAX_CLMACROS];
f33875c3 514BOOL commandline_checks_require_admin = FALSE;
059ec3d9
PH
515BOOL config_changed = FALSE;
516FILE *config_file = NULL;
18d6b513 517const uschar *config_filename = NULL;
059ec3d9 518int config_lineno = 0;
35edf2ff
PH
519#ifdef CONFIGURE_GROUP
520gid_t config_gid = CONFIGURE_GROUP;
19bfe9e7
HSHR
521#else
522gid_t config_gid = 0;
35edf2ff 523#endif
059ec3d9
PH
524uschar *config_main_filelist = US CONFIGURE_FILE
525 "\0<-----------Space to patch configure_filename->";
526uschar *config_main_filename = NULL;
98b8312f 527uschar *config_main_directory = NULL;
059ec3d9
PH
528
529#ifdef CONFIGURE_OWNER
530uid_t config_uid = CONFIGURE_OWNER;
19bfe9e7
HSHR
531#else
532uid_t config_uid = 0;
059ec3d9
PH
533#endif
534
535int connection_max_messages= -1;
5013d912 536uschar *continue_proxy_cipher = NULL;
059ec3d9
PH
537uschar *continue_hostname = NULL;
538uschar *continue_host_address = NULL;
539BOOL continue_more = FALSE;
540int continue_sequence = 1;
541uschar *continue_transport = NULL;
542
e5a9dba6 543uschar *csa_status = NULL;
5032d1cf 544cut_t cutthrough = {
57cc2785 545 FALSE, /* verify-only: normal delivery */
5032d1cf 546 FALSE, /* delivery: when to attempt */
ff5929e3 547 FALSE, /* on defer: spool locally */
57cc2785 548 FALSE, /* not a TLS conn yet */
5032d1cf
JH
549 -1, /* fd: open connection */
550 0, /* nrcpt: number of addresses */
551};
e5a9dba6 552
059ec3d9
PH
553BOOL daemon_listen = FALSE;
554uschar *daemon_smtp_port = US"smtp";
4aee0225
PH
555int daemon_startup_retries = 9;
556int daemon_startup_sleep = 30;
6a8f9482
TK
557
558#ifdef EXPERIMENTAL_DCC
559BOOL dcc_direct_add_header = FALSE;
560uschar *dcc_header = NULL;
561uschar *dcc_result = NULL;
562uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
563uschar *dccifd_options = US"header";
564#endif
565
3d235903 566BOOL debug_daemon = FALSE;
059ec3d9
PH
567int debug_fd = -1;
568FILE *debug_file = NULL;
6c6d6e48
TF
569int debug_notall[] = {
570 Di_memory,
571 -1
059ec3d9 572};
6c6d6e48
TF
573bit_table debug_options[] = { /* must be in alphabetical order */
574 BIT_TABLE(D, acl),
575 BIT_TABLE(D, all),
576 BIT_TABLE(D, auth),
577 BIT_TABLE(D, deliver),
578 BIT_TABLE(D, dns),
579 BIT_TABLE(D, dnsbl),
580 BIT_TABLE(D, exec),
581 BIT_TABLE(D, expand),
582 BIT_TABLE(D, filter),
583 BIT_TABLE(D, hints_lookup),
584 BIT_TABLE(D, host_lookup),
585 BIT_TABLE(D, ident),
586 BIT_TABLE(D, interface),
587 BIT_TABLE(D, lists),
588 BIT_TABLE(D, load),
589 BIT_TABLE(D, local_scan),
590 BIT_TABLE(D, lookup),
591 BIT_TABLE(D, memory),
592 BIT_TABLE(D, pid),
593 BIT_TABLE(D, process_info),
594 BIT_TABLE(D, queue_run),
595 BIT_TABLE(D, receive),
596 BIT_TABLE(D, resolver),
597 BIT_TABLE(D, retry),
598 BIT_TABLE(D, rewrite),
599 BIT_TABLE(D, route),
600 BIT_TABLE(D, timestamp),
601 BIT_TABLE(D, tls),
602 BIT_TABLE(D, transport),
603 BIT_TABLE(D, uid),
604 BIT_TABLE(D, verify),
605};
606int debug_options_count = nelem(debug_options);
607
059ec3d9 608unsigned int debug_selector = 0;
64073d9c 609BOOL debug_store = FALSE;
059ec3d9 610int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH
611uschar *delay_warning_condition=
612 US"${if or {"
e85a7ad5 613 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH
614 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
615 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
616 "} {no}{yes}}";
059ec3d9
PH
617BOOL delivery_date_remove = TRUE;
618uschar *deliver_address_data = NULL;
619int deliver_datafile = -1;
55414b25 620const uschar *deliver_domain = NULL;
059ec3d9 621uschar *deliver_domain_data = NULL;
55414b25
JH
622const uschar *deliver_domain_orig = NULL;
623const uschar *deliver_domain_parent = NULL;
059ec3d9
PH
624BOOL deliver_drop_privilege = FALSE;
625BOOL deliver_firsttime = FALSE;
626BOOL deliver_force = FALSE;
627BOOL deliver_freeze = FALSE;
19050083 628time_t deliver_frozen_at = 0;
059ec3d9 629uschar *deliver_home = NULL;
55414b25
JH
630const uschar *deliver_host = NULL;
631const uschar *deliver_host_address = NULL;
a7538db1 632int deliver_host_port = 0;
059ec3d9
PH
633uschar *deliver_in_buffer = NULL;
634ino_t deliver_inode = 0;
635uschar *deliver_localpart = NULL;
636uschar *deliver_localpart_data = NULL;
637uschar *deliver_localpart_orig = NULL;
638uschar *deliver_localpart_parent = NULL;
639uschar *deliver_localpart_prefix = NULL;
640uschar *deliver_localpart_suffix = NULL;
641BOOL deliver_force_thaw = FALSE;
642BOOL deliver_manual_thaw = FALSE;
643uschar *deliver_out_buffer = NULL;
644int deliver_queue_load_max = -1;
645address_item *deliver_recipients = NULL;
646uschar *deliver_selectstring = NULL;
647BOOL deliver_selectstring_regex = FALSE;
648uschar *deliver_selectstring_sender = NULL;
649BOOL deliver_selectstring_sender_regex = FALSE;
4c590bd1 650BOOL disable_callout_flush = FALSE;
047bdd8c 651BOOL disable_delay_flush = FALSE;
54fc8428
PH
652#ifdef ENABLE_DISABLE_FSYNC
653BOOL disable_fsync = FALSE;
654#endif
7e66e54d 655BOOL disable_ipv6 = FALSE;
059ec3d9
PH
656BOOL disable_logging = FALSE;
657
80a47a2c 658#ifndef DISABLE_DKIM
abe1010c 659BOOL dkim_collect_input = FALSE;
2df588c9 660uschar *dkim_cur_signer = NULL;
abe1010c
JH
661BOOL dkim_disable_verify = FALSE;
662int dkim_key_length = 0;
9e5d6b55 663uschar *dkim_signers = NULL;
f7572e5a
TK
664uschar *dkim_signing_domain = NULL;
665uschar *dkim_signing_selector = NULL;
9e5d6b55 666uschar *dkim_verify_signers = US"$dkim_signers";
f7572e5a 667#endif
4840604e 668#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 669BOOL dmarc_has_been_checked = FALSE;
4840604e 670uschar *dmarc_ar_header = NULL;
8c8b8274 671uschar *dmarc_domain_policy = NULL;
4840604e
TL
672uschar *dmarc_forensic_sender = NULL;
673uschar *dmarc_history_file = NULL;
674uschar *dmarc_status = NULL;
675uschar *dmarc_status_text = NULL;
676uschar *dmarc_tld_file = NULL;
677uschar *dmarc_used_domain = NULL;
678BOOL dmarc_disable_verify = FALSE;
679BOOL dmarc_enable_forensic = FALSE;
680#endif
f7572e5a 681
059ec3d9 682uschar *dns_again_means_nonexist = NULL;
e5a9dba6
PH
683int dns_csa_search_limit = 5;
684BOOL dns_csa_use_reverse = TRUE;
e682570f
TL
685#ifdef EXPERIMENTAL_DANE
686int dns_dane_ok = -1;
687#endif
059ec3d9
PH
688uschar *dns_ipv4_lookup = NULL;
689int dns_retrans = 0;
690int dns_retry = 0;
0fbd9bff 691int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 692uschar *dns_trust_aa = NULL;
e97d1f08 693int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 694uschar *dnslist_domain = NULL;
93655c46 695uschar *dnslist_matched = NULL;
059ec3d9
PH
696uschar *dnslist_text = NULL;
697uschar *dnslist_value = NULL;
698tree_node *domainlist_anchor = NULL;
699int domainlist_count = 0;
700BOOL dont_deliver = FALSE;
701BOOL dot_ends = TRUE;
702BOOL drop_cr = FALSE; /* No longer used */
0e22dfd1 703uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9
PH
704
705BOOL enable_dollar_recipients = FALSE;
706BOOL envelope_to_remove = TRUE;
707int errno_quota = ERRNO_QUOTA;
708uschar *errors_copy = NULL;
709int error_handling = ERRORS_SENDER;
710uschar *errors_reply_to = NULL;
711int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 712#ifndef DISABLE_EVENT
723fe533 713uschar *event_action = NULL; /* expansion for delivery events */
4c04137d 714uschar *event_data = NULL; /* auxiliary data variable for event */
723fe533 715int event_defer_errno = 0;
55414b25 716const uschar *event_name = NULL; /* event name variable */
723fe533
JH
717#endif
718
059ec3d9
PH
719
720gid_t exim_gid = EXIM_GID;
721BOOL exim_gid_set = TRUE; /* This gid is always set */
722uschar *exim_path = US BIN_DIRECTORY "/exim"
723 "\0<---------------Space to patch exim_path->";
724uid_t exim_uid = EXIM_UID;
725BOOL exim_uid_set = TRUE; /* This uid is always set */
e1d04f48 726int expand_level = 0; /* Nesting depth, indent for debug */
059ec3d9
PH
727int expand_forbid = 0;
728int expand_nlength[EXPAND_MAXN+1];
729int expand_nmax = -1;
730uschar *expand_nstring[EXPAND_MAXN+1];
731BOOL expand_string_forcedfail = FALSE;
732uschar *expand_string_message;
733BOOL extract_addresses_remove_arguments = TRUE;
734uschar *extra_local_interfaces = NULL;
735
29aba418 736int fake_response = OK;
0e22dfd1
PH
737uschar *fake_response_text = US"Your message has been rejected but is "
738 "being kept for evaluation.\nIf it was a "
739 "legitimate message, it may still be "
740 "delivered to the target recipient(s).";
059ec3d9
PH
741int filter_n[FILTER_VARIABLE_COUNT];
742BOOL filter_running = FALSE;
743int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH
744int filter_test = FTEST_NONE;
745uschar *filter_test_sfile = NULL;
746uschar *filter_test_ufile = NULL;
059ec3d9
PH
747uschar *filter_thisaddress = NULL;
748int finduser_retries = 0;
749uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
750uschar *freeze_tell = NULL;
6a3f1455 751uschar *freeze_tell_config = NULL;
059ec3d9
PH
752uschar *fudged_queue_times = US"";
753
754uschar *gecos_name = NULL;
755uschar *gecos_pattern = NULL;
756rewrite_rule *global_rewrite_rules = NULL;
757
758uschar *headers_charset = US HEADERS_CHARSET;
759int header_insert_maxlen = 64 * 1024;
760header_line *header_last = NULL;
761header_line *header_list = NULL;
762int header_maxsize = HEADER_MAXSIZE;
763int header_line_maxsize = 0;
764
765header_name header_names[] = {
766 { US"bcc", 3, TRUE, htype_bcc },
767 { US"cc", 2, TRUE, htype_cc },
768 { US"date", 4, TRUE, htype_date },
769 { US"delivery-date", 13, FALSE, htype_delivery_date },
770 { US"envelope-to", 11, FALSE, htype_envelope_to },
771 { US"from", 4, TRUE, htype_from },
772 { US"message-id", 10, TRUE, htype_id },
773 { US"received", 8, FALSE, htype_received },
774 { US"reply-to", 8, FALSE, htype_reply_to },
775 { US"return-path", 11, FALSE, htype_return_path },
776 { US"sender", 6, TRUE, htype_sender },
777 { US"subject", 7, FALSE, htype_subject },
778 { US"to", 2, TRUE, htype_to }
779};
780
781int header_names_size = sizeof(header_names)/sizeof(header_name);
782
783BOOL header_rewritten = FALSE;
784uschar *helo_accept_junk_hosts = NULL;
785uschar *helo_allow_chars = US"";
786uschar *helo_lookup_domains = US"@ : @[]";
787uschar *helo_try_verify_hosts = NULL;
788BOOL helo_verified = FALSE;
d7b47fd0 789BOOL helo_verify_failed = FALSE;
059ec3d9 790uschar *helo_verify_hosts = NULL;
1ba28e2b 791const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9
PH
792uschar *hold_domains = NULL;
793BOOL host_checking = FALSE;
794BOOL host_checking_callout = FALSE;
795uschar *host_data = NULL;
796BOOL host_find_failed_syntax= FALSE;
797uschar *host_lookup = NULL;
b08b24c8 798BOOL host_lookup_deferred = FALSE;
059ec3d9
PH
799BOOL host_lookup_failed = FALSE;
800uschar *host_lookup_order = US"bydns:byaddr";
801uschar *host_lookup_msg = US"";
802int host_number = 0;
803uschar *host_number_string = NULL;
804uschar *host_reject_connection = NULL;
805tree_node *hostlist_anchor = NULL;
806int hostlist_count = 0;
807uschar *hosts_treat_as_local = NULL;
808uschar *hosts_connection_nolog = NULL;
809
810int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
811BOOL ignore_fromline_local = FALSE;
812uschar *ignore_fromline_hosts = NULL;
9ee44efb
PP
813BOOL inetd_wait_mode = FALSE;
814int inetd_wait_timeout = -1;
3615fa9a 815uschar *initial_cwd = NULL;
059ec3d9
PH
816uschar *interface_address = NULL;
817int interface_port = -1;
818BOOL is_inetd = FALSE;
0ce9abe6 819uschar *iterate_item = NULL;
059ec3d9
PH
820
821int journal_fd = -1;
822
bc3c7bb7
HSHR
823uschar *keep_environment = NULL;
824
059ec3d9
PH
825int keep_malformed = 4*24*60*60; /* 4 days */
826
827uschar *eldap_dn = NULL;
828int load_average = -2;
829BOOL local_error_message = FALSE;
830BOOL local_from_check = TRUE;
831uschar *local_from_prefix = NULL;
832uschar *local_from_suffix = NULL;
833
834#if HAVE_IPV6
835uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
836#else
837uschar *local_interfaces = US"0.0.0.0";
838#endif
839
840uschar *local_scan_data = NULL;
841int local_scan_timeout = 5*60;
842BOOL local_sender_retain = FALSE;
843gid_t local_user_gid = (gid_t)(-1);
844uid_t local_user_uid = (uid_t)(-1);
845
846tree_node *localpartlist_anchor= NULL;
847int localpartlist_count = 0;
848uschar *log_buffer = NULL;
6c6d6e48
TF
849
850int log_default[] = { /* for initializing log_selector */
851 Li_acl_warn_skipped,
852 Li_connection_reject,
853 Li_delay_delivery,
854 Li_dnslist_defer,
855 Li_etrn,
856 Li_host_lookup_failed,
857 Li_lost_incoming_connection,
ac881e27 858 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF
859 Li_queue_run,
860 Li_rejected_header,
861 Li_retry_defer,
862 Li_sender_verify_fail,
863 Li_size_reject,
864 Li_skip_delivery,
865 Li_smtp_confirmation,
866 Li_tls_certificate_verified,
867 Li_tls_cipher,
868 -1
869};
870
059ec3d9
PH
871uschar *log_file_path = US LOG_FILE_PATH
872 "\0<--------------Space to patch log_file_path->";
873
6c6d6e48
TF
874int log_notall[] = {
875 -1
876};
877bit_table log_options[] = { /* must be in alphabetical order */
878 BIT_TABLE(L, 8bitmime),
879 BIT_TABLE(L, acl_warn_skipped),
880 BIT_TABLE(L, address_rewrite),
881 BIT_TABLE(L, all),
882 BIT_TABLE(L, all_parents),
883 BIT_TABLE(L, arguments),
884 BIT_TABLE(L, connection_reject),
885 BIT_TABLE(L, delay_delivery),
886 BIT_TABLE(L, deliver_time),
887 BIT_TABLE(L, delivery_size),
888 BIT_TABLE(L, dnslist_defer),
fc16abb4 889 BIT_TABLE(L, dnssec),
6c6d6e48
TF
890 BIT_TABLE(L, etrn),
891 BIT_TABLE(L, host_lookup_failed),
892 BIT_TABLE(L, ident_timeout),
893 BIT_TABLE(L, incoming_interface),
894 BIT_TABLE(L, incoming_port),
895 BIT_TABLE(L, lost_incoming_connection),
571b2715 896 BIT_TABLE(L, millisec),
ac881e27 897 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF
898 BIT_TABLE(L, outgoing_port),
899 BIT_TABLE(L, pid),
e6d2a989 900#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
6c6d6e48
TF
901 BIT_TABLE(L, proxy),
902#endif
903 BIT_TABLE(L, queue_run),
904 BIT_TABLE(L, queue_time),
905 BIT_TABLE(L, queue_time_overall),
906 BIT_TABLE(L, received_recipients),
907 BIT_TABLE(L, received_sender),
908 BIT_TABLE(L, rejected_header),
909 { US"rejected_headers", Li_rejected_header },
910 BIT_TABLE(L, retry_defer),
911 BIT_TABLE(L, return_path_on_delivery),
912 BIT_TABLE(L, sender_on_delivery),
913 BIT_TABLE(L, sender_verify_fail),
914 BIT_TABLE(L, size_reject),
915 BIT_TABLE(L, skip_delivery),
916 BIT_TABLE(L, smtp_confirmation),
917 BIT_TABLE(L, smtp_connection),
918 BIT_TABLE(L, smtp_incomplete_transaction),
919 BIT_TABLE(L, smtp_mailauth),
920 BIT_TABLE(L, smtp_no_mail),
921 BIT_TABLE(L, smtp_protocol_error),
922 BIT_TABLE(L, smtp_syntax_error),
923 BIT_TABLE(L, subject),
924 BIT_TABLE(L, tls_certificate_verified),
925 BIT_TABLE(L, tls_cipher),
926 BIT_TABLE(L, tls_peerdn),
927 BIT_TABLE(L, tls_sni),
928 BIT_TABLE(L, unknown_in_list),
059ec3d9 929};
6c6d6e48 930int log_options_count = nelem(log_options);
059ec3d9 931
6ea85e9a 932int log_reject_target = 0;
6c6d6e48 933unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH
934uschar *log_selector_string = NULL;
935FILE *log_stderr = NULL;
936BOOL log_testing_mode = FALSE;
937BOOL log_timezone = FALSE;
938uschar *login_sender_address = NULL;
4e0983dc 939uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH
940int lookup_open_max = 25;
941uschar *lookup_value = NULL;
942
059ec3d9 943uschar *mailstore_basename = NULL;
8523533c
TK
944#ifdef WITH_CONTENT_SCAN
945uschar *malware_name = NULL; /* Virus Name */
946#endif
d677b2f2 947int max_received_linelength= 0;
059ec3d9
PH
948int max_username_length = 0;
949int message_age = 0;
950uschar *message_body = NULL;
951uschar *message_body_end = NULL;
ddea74fa 952BOOL message_body_newlines = FALSE;
059ec3d9
PH
953int message_body_size = 0;
954int message_body_visible = 500;
955int message_ended = END_NOTSTARTED;
956uschar *message_headers = NULL;
957uschar *message_id;
958uschar *message_id_domain = NULL;
959uschar *message_id_text = NULL;
960struct timeval message_id_tv = { 0, 0 };
961uschar message_id_option[MESSAGE_ID_LENGTH + 3];
962uschar *message_id_external;
963int message_linecount = 0;
964BOOL message_logs = TRUE;
965int message_size = 0;
966uschar *message_size_limit = US"50M";
8c5d388a 967#ifdef SUPPORT_I18N
eb02f5df 968BOOL message_smtputf8 = FALSE;
3c8b3577 969int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 970#endif
059ec3d9
PH
971uschar message_subdir[2] = { 0, 0 };
972uschar *message_reference = NULL;
8523533c
TK
973
974/* MIME ACL expandables */
975#ifdef WITH_CONTENT_SCAN
f7b63901 976int mime_anomaly_level = 0;
1ba28e2b 977const uschar *mime_anomaly_text = NULL;
8523533c
TK
978uschar *mime_boundary = NULL;
979uschar *mime_charset = NULL;
980uschar *mime_content_description = NULL;
981uschar *mime_content_disposition = NULL;
982uschar *mime_content_id = NULL;
983unsigned int mime_content_size = 0;
984uschar *mime_content_transfer_encoding = NULL;
985uschar *mime_content_type = NULL;
986uschar *mime_decoded_filename = NULL;
987uschar *mime_filename = NULL;
988int mime_is_multipart = 0;
989int mime_is_coverletter = 0;
990int mime_is_rfc822 = 0;
991int mime_part_count = -1;
992#endif
993
059ec3d9
PH
994BOOL mua_wrapper = FALSE;
995
996uid_t *never_users = NULL;
8523533c
TK
997#ifdef WITH_CONTENT_SCAN
998BOOL no_mbox_unspool = FALSE;
999#endif
059ec3d9
PH
1000BOOL no_multiline_responses = FALSE;
1001
fb05276a
JH
1002const int on = 1; /* for setsockopt */
1003const int off = 0;
1004
059ec3d9
PH
1005uid_t original_euid;
1006gid_t originator_gid;
1007uschar *originator_login = NULL;
1008uschar *originator_name = NULL;
1009uid_t originator_uid;
1010uschar *override_local_interfaces = NULL;
1011uschar *override_pid_file_path = NULL;
1012
1013BOOL parse_allow_group = FALSE;
1014BOOL parse_found_group = FALSE;
1015uschar *percent_hack_domains = NULL;
1016uschar *pid_file_path = US PID_FILE_PATH
1017 "\0<--------------Space to patch pid_file_path->";
cf8b11a5 1018BOOL pipelining_enable = TRUE;
059ec3d9
PH
1019uschar *pipelining_advertise_hosts = US"*";
1020BOOL preserve_message_logs = FALSE;
1021uschar *primary_hostname = NULL;
1022BOOL print_topbitchars = FALSE;
1023uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1024int process_info_len = 0;
059ec3d9
PH
1025uschar *process_log_path = NULL;
1026BOOL prod_requires_admin = TRUE;
a3c86431 1027
e6d2a989 1028#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 1029uschar *hosts_proxy = US"";
e6d2a989
JH
1030uschar *proxy_external_address = US"";
1031int proxy_external_port = 0;
1032uschar *proxy_local_address = US"";
1033int proxy_local_port = 0;
a3c86431
TL
1034BOOL proxy_session = FALSE;
1035BOOL proxy_session_failed = FALSE;
1036#endif
1037
fffda43a
TK
1038uschar *prvscheck_address = NULL;
1039uschar *prvscheck_keynum = NULL;
1040uschar *prvscheck_result = NULL;
1041
059ec3d9 1042
55414b25 1043const uschar *qualify_domain_recipient = NULL;
059ec3d9
PH
1044uschar *qualify_domain_sender = NULL;
1045BOOL queue_2stage = FALSE;
1046uschar *queue_domains = NULL;
1047int queue_interval = -1;
1048BOOL queue_list_requires_admin = TRUE;
a2da3176 1049uschar *queue_name = US"";
059ec3d9
PH
1050BOOL queue_only = FALSE;
1051uschar *queue_only_file = NULL;
1052int queue_only_load = -1;
8669f003 1053BOOL queue_only_load_latch = TRUE;
059ec3d9
PH
1054BOOL queue_only_override = TRUE;
1055BOOL queue_only_policy = FALSE;
1056BOOL queue_run_first_delivery = FALSE;
1057BOOL queue_run_force = FALSE;
1058BOOL queue_run_in_order = FALSE;
1059BOOL queue_run_local = FALSE;
0cd5fd23 1060uschar *queue_run_max = US"5";
059ec3d9
PH
1061pid_t queue_run_pid = (pid_t)0;
1062int queue_run_pipe = -1;
1063BOOL queue_running = FALSE;
1064BOOL queue_smtp = FALSE;
1065uschar *queue_smtp_domains = NULL;
1066
1067unsigned int random_seed = 0;
fe0dab11 1068tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF
1069tree_node *ratelimiters_conn = NULL;
1070tree_node *ratelimiters_mail = NULL;
059ec3d9
PH
1071uschar *raw_active_hostname = NULL;
1072uschar *raw_sender = NULL;
1073uschar **raw_recipients = NULL;
1074int raw_recipients_count = 0;
1075
1076int rcpt_count = 0;
1077int rcpt_fail_count = 0;
1078int rcpt_defer_count = 0;
1079gid_t real_gid;
1080uid_t real_uid;
1081BOOL really_exim = TRUE;
1082BOOL receive_call_bombout = FALSE;
1083int receive_linecount = 0;
1084int receive_messagecount = 0;
1085int receive_timeout = 0;
1086int received_count = 0;
1087uschar *received_for = NULL;
1088
1089/* This is the default text for Received headers generated by Exim. The
1090date will be automatically added on the end. */
1091
1092uschar *received_header_text = US
1093 "Received: "
1094 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1095 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH
1096 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1097 "by $primary_hostname "
1098 "${if def:received_protocol {with $received_protocol}} "
1099 #ifdef SUPPORT_TLS
1100 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1101 #endif
1102 "(Exim $version_number)\n\t"
3e46c1aa 1103 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1104 "id $message_exim_id"
059ec3d9
PH
1105 "${if def:received_for {\n\tfor $received_for}}"
1106 "\0<---------------Space to patch received_header_text->";
1107
1108int received_headers_max = 30;
1109uschar *received_protocol = NULL;
1110int received_time = 0;
1111uschar *recipient_data = NULL;
1112uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1113uschar *recipient_verify_failure = NULL;
059ec3d9
PH
1114int recipients_count = 0;
1115BOOL recipients_discarded = FALSE;
1116recipient_item *recipients_list = NULL;
1117int recipients_list_max = 0;
1118int recipients_max = 0;
1119BOOL recipients_max_reject = FALSE;
1120const pcre *regex_AUTH = NULL;
1121const pcre *regex_check_dns_names = NULL;
1122const pcre *regex_From = NULL;
f1513293 1123const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH
1124const pcre *regex_PIPELINING = NULL;
1125const pcre *regex_SIZE = NULL;
1126const pcre *regex_ismsgid = NULL;
f38917cc
JH
1127const pcre *regex_smtp_code = NULL;
1128uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP
1129#ifdef WHITELIST_D_MACROS
1130const pcre *regex_whitelisted_macro = NULL;
1131#endif
8523533c
TK
1132#ifdef WITH_CONTENT_SCAN
1133uschar *regex_match_string = NULL;
1134#endif
059ec3d9
PH
1135int remote_delivery_count = 0;
1136int remote_max_parallel = 2;
1137uschar *remote_sort_domains = NULL;
1138int retry_data_expire = 7*24*60*60;
1139int retry_interval_max = 24*60*60;
1140int retry_maximum_timeout = 0; /* set from retry config */
1141retry_config *retries = NULL;
1142uschar *return_path = NULL;
1143BOOL return_path_remove = TRUE;
1144int rewrite_existflags = 0;
f926e272
JH
1145uschar *rfc1413_hosts = US"@[]";
1146int rfc1413_query_timeout = 0;
059ec3d9 1147/* BOOL rfc821_domains = FALSE; <<< on the way out */
c1d94452 1148uid_t root_gid = ROOT_GID;
059ec3d9
PH
1149uid_t root_uid = ROOT_UID;
1150
1151router_instance *routers = NULL;
1152router_instance router_defaults = {
1153 NULL, /* chain pointer */
1154 NULL, /* name */
1155 NULL, /* info */
1156 NULL, /* private options block pointer */
1157 NULL, /* driver name */
1158
1159 NULL, /* address_data */
8523533c
TK
1160#ifdef EXPERIMENTAL_BRIGHTMAIL
1161 NULL, /* bmi_rule */
8e669ac1 1162#endif
059ec3d9
PH
1163 NULL, /* cannot_route_message */
1164 NULL, /* condition */
1165 NULL, /* current_directory */
1166 NULL, /* debug_string */
1167 NULL, /* domains */
1168 NULL, /* errors_to */
1169 NULL, /* expand_gid */
1170 NULL, /* expand_uid */
1171 NULL, /* expand_more */
1172 NULL, /* expand_unseen */
1173 NULL, /* extra_headers */
1174 NULL, /* fallback_hosts */
1175 NULL, /* home_directory */
1176 NULL, /* ignore_target_hosts */
1177 NULL, /* local_parts */
1178 NULL, /* pass_router_name */
1179 NULL, /* prefix */
1180 NULL, /* redirect_router_name */
1181 NULL, /* remove_headers */
1182 NULL, /* require_files */
1183 NULL, /* router_home_directory */
1184 US"freeze", /* self */
1185 NULL, /* senders */
1186 NULL, /* suffix */
1187 NULL, /* translate_ip_address */
1188 NULL, /* transport_name */
1189
1190 TRUE, /* address_test */
8523533c
TK
1191#ifdef EXPERIMENTAL_BRIGHTMAIL
1192 FALSE, /* bmi_deliver_alternate */
1193 FALSE, /* bmi_deliver_default */
1194 FALSE, /* bmi_dont_deliver */
1195#endif
059ec3d9
PH
1196 TRUE, /* expn */
1197 FALSE, /* caseful_local_part */
1198 FALSE, /* check_local_user */
1199 FALSE, /* disable_logging */
1200 FALSE, /* fail_verify_recipient */
1201 FALSE, /* fail_verify_sender */
1202 FALSE, /* gid_set */
1203 FALSE, /* initgroups */
1204 TRUE_UNSET, /* log_as_local */
1205 TRUE, /* more */
1206 FALSE, /* pass_on_timeout */
1207 FALSE, /* prefix_optional */
1208 TRUE, /* repeat_use */
1209 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1210 FALSE, /* same_domain_copy_routing */
1211 FALSE, /* self_rewrite */
1212 FALSE, /* suffix_optional */
1213 FALSE, /* verify_only */
1214 TRUE, /* verify_recipient */
1215 TRUE, /* verify_sender */
1216 FALSE, /* uid_set */
1217 FALSE, /* unseen */
6c1c3d1d 1218 FALSE, /* dsn_lasthop */
059ec3d9
PH
1219
1220 self_freeze, /* self_code */
1221 (uid_t)(-1), /* uid */
1222 (gid_t)(-1), /* gid */
1223
1224 NULL, /* fallback_hostlist */
1225 NULL, /* transport instance */
1226 NULL, /* pass_router */
99c1bb4e
HSHR
1227 NULL, /* redirect_router */
1228
0539a19d 1229 { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH
1230};
1231
181d9bf8
JH
1232uschar *router_name = NULL;
1233
059ec3d9
PH
1234ip_address_item *running_interfaces = NULL;
1235BOOL running_in_test_harness = FALSE;
1236
1237/* This is a weird one. The following string gets patched in the binary by the
1238script that sets up a copy of Exim for running in the test harness. It seems
1239that compilers are now clever, and share constant strings if they can.
1240Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1241make use of the end of this string in order to save space. So the patching then
8669f003 1242wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH
1243onto the end of the string. */
1244
1245uschar *running_status = US">>>running<<<" "\0EXTRA";
1246
1247int runrc = 0;
1248
1249uschar *search_error_message = NULL;
1250BOOL search_find_defer = FALSE;
1251uschar *self_hostname = NULL;
1252uschar *sender_address = NULL;
1253unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1254uschar *sender_address_data = NULL;
059ec3d9
PH
1255BOOL sender_address_forced = FALSE;
1256uschar *sender_address_unrewritten = NULL;
1257uschar *sender_data = NULL;
1258unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1259uschar *sender_fullhost = NULL;
1705dd20 1260BOOL sender_helo_dnssec = FALSE;
059ec3d9
PH
1261uschar *sender_helo_name = NULL;
1262uschar **sender_host_aliases = &no_aliases;
1263uschar *sender_host_address = NULL;
1264uschar *sender_host_authenticated = NULL;
1265unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1f4a55da 1266BOOL sender_host_dnssec = FALSE;
059ec3d9
PH
1267uschar *sender_host_name = NULL;
1268int sender_host_port = 0;
1269BOOL sender_host_notsocket = FALSE;
1270BOOL sender_host_unknown = FALSE;
1271uschar *sender_ident = NULL;
1272BOOL sender_local = FALSE;
2fe1a124 1273BOOL sender_name_forced = FALSE;
870f6ba8
TF
1274uschar *sender_rate = NULL;
1275uschar *sender_rate_limit = NULL;
1276uschar *sender_rate_period = NULL;
059ec3d9
PH
1277uschar *sender_rcvhost = NULL;
1278BOOL sender_set_untrusted = FALSE;
1279uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1280uschar *sender_verify_failure = NULL;
059ec3d9
PH
1281address_item *sender_verified_list = NULL;
1282address_item *sender_verified_failed = NULL;
1283int sender_verified_rc = -1;
1284BOOL sender_verified_responded = FALSE;
41c7c167
PH
1285uschar *sending_ip_address = NULL;
1286int sending_port = -1;
cd59ab18 1287SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1288uschar **sighup_argv = NULL;
846430d9 1289int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9
PH
1290int smtp_accept_count = 0;
1291BOOL smtp_accept_keepalive = TRUE;
1292int smtp_accept_max = 20;
1293int smtp_accept_max_nonmail= 10;
1294uschar *smtp_accept_max_nonmail_hosts = US"*";
1295int smtp_accept_max_per_connection = 1000;
1296uschar *smtp_accept_max_per_host = NULL;
1297int smtp_accept_queue = 0;
1298int smtp_accept_queue_per_connection = 10;
1299int smtp_accept_reserve = 0;
1300uschar *smtp_active_hostname = NULL;
1301BOOL smtp_authenticated = FALSE;
1f5b4c3d 1302uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH
1303 "Exim $version_number $tod_full"
1304 "\0<---------------Space to patch smtp_banner->";
1305BOOL smtp_batched_input = FALSE;
1306BOOL smtp_check_spool_space = TRUE;
b4ed4da0 1307int smtp_ch_index = 0;
3ee512ff
PH
1308uschar *smtp_cmd_argument = NULL;
1309uschar *smtp_cmd_buffer = NULL;
b4ed4da0
PH
1310time_t smtp_connection_start = 0;
1311uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH
1312int smtp_connect_backlog = 20;
1313double smtp_delay_mail = 0.0;
1314double smtp_delay_rcpt = 0.0;
1315BOOL smtp_enforce_sync = TRUE;
1316FILE *smtp_in = NULL;
1317BOOL smtp_input = FALSE;
1318int smtp_load_reserve = -1;
1319int smtp_mailcmd_count = 0;
1320FILE *smtp_out = NULL;
1321uschar *smtp_etrn_command = NULL;
1322BOOL smtp_etrn_serialize = TRUE;
1323int smtp_max_synprot_errors= 3;
1324int smtp_max_unknown_commands = 3;
8f128379 1325uschar *smtp_notquit_reason = NULL;
059ec3d9
PH
1326uschar *smtp_ratelimit_hosts = NULL;
1327uschar *smtp_ratelimit_mail = NULL;
1328uschar *smtp_ratelimit_rcpt = NULL;
1329uschar *smtp_read_error = US"";
1330int smtp_receive_timeout = 5*60;
1ad6489e 1331uschar *smtp_receive_timeout_s = NULL;
059ec3d9
PH
1332uschar *smtp_reserve_hosts = NULL;
1333BOOL smtp_return_error_details = FALSE;
1334int smtp_rlm_base = 0;
1335double smtp_rlm_factor = 0.0;
1336int smtp_rlm_limit = 0;
1337int smtp_rlm_threshold = INT_MAX;
1338int smtp_rlr_base = 0;
1339double smtp_rlr_factor = 0.0;
1340int smtp_rlr_limit = 0;
1341int smtp_rlr_threshold = INT_MAX;
2d14f397
JH
1342unsigned smtp_peer_options = 0;
1343unsigned smtp_peer_options_wrap= 0;
8c5d388a 1344#ifdef SUPPORT_I18N
9d4319df 1345uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1346#endif
8523533c
TK
1347
1348#ifdef WITH_CONTENT_SCAN
1349uschar *spamd_address = US"127.0.0.1 783";
1350uschar *spam_bar = NULL;
1351uschar *spam_report = NULL;
c5f280e2 1352uschar *spam_action = NULL;
8523533c
TK
1353uschar *spam_score = NULL;
1354uschar *spam_score_int = NULL;
1355#endif
1356#ifdef EXPERIMENTAL_SPF
65a7d8c3 1357uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK
1358uschar *spf_header_comment = NULL;
1359uschar *spf_received = NULL;
1360uschar *spf_result = NULL;
1361uschar *spf_smtp_comment = NULL;
1362#endif
1363
059ec3d9
PH
1364BOOL split_spool_directory = FALSE;
1365uschar *spool_directory = US SPOOL_DIRECTORY
1366 "\0<--------------Space to patch spool_directory->";
328c5688
JH
1367BOOL spool_file_wireformat = FALSE;
1368BOOL spool_wireformat = FALSE;
8523533c
TK
1369#ifdef EXPERIMENTAL_SRS
1370uschar *srs_config = NULL;
1371uschar *srs_db_address = NULL;
1372uschar *srs_db_key = NULL;
384152a6
TK
1373int srs_hashlength = 6;
1374int srs_hashmin = -1;
1375int srs_maxage = 31;
8523533c
TK
1376uschar *srs_orig_recipient = NULL;
1377uschar *srs_orig_sender = NULL;
1378uschar *srs_recipient = NULL;
384152a6 1379uschar *srs_secrets = NULL;
8523533c 1380uschar *srs_status = NULL;
384152a6
TK
1381BOOL srs_usehash = TRUE;
1382BOOL srs_usetimestamp = TRUE;
8e669ac1 1383#endif
38a0a95f 1384BOOL strict_acl_vars = FALSE;
059ec3d9 1385int string_datestamp_offset= -1;
f1e5fef5
PP
1386int string_datestamp_length= 0;
1387int string_datestamp_type = -1;
059ec3d9
PH
1388BOOL strip_excess_angle_brackets = FALSE;
1389BOOL strip_trailing_dot = FALSE;
1390uschar *submission_domain = NULL;
1391BOOL submission_mode = FALSE;
2fe1a124 1392uschar *submission_name = NULL;
8800895a 1393BOOL suppress_local_fixups = FALSE;
f4ee74ac 1394BOOL suppress_local_fixups_default = FALSE;
059ec3d9
PH
1395BOOL synchronous_delivery = FALSE;
1396BOOL syslog_duplication = TRUE;
1397int syslog_facility = LOG_MAIL;
2333e06f 1398BOOL syslog_pid = TRUE;
059ec3d9
PH
1399uschar *syslog_processname = US"exim";
1400BOOL syslog_timestamp = TRUE;
1401uschar *system_filter = NULL;
1402
1403uschar *system_filter_directory_transport = NULL;
1404uschar *system_filter_file_transport = NULL;
1405uschar *system_filter_pipe_transport = NULL;
1406uschar *system_filter_reply_transport = NULL;
1407
1408gid_t system_filter_gid = 0;
1409BOOL system_filter_gid_set = FALSE;
79d4bc3d 1410uid_t system_filter_uid = (uid_t)-1;
059ec3d9
PH
1411BOOL system_filter_uid_set = FALSE;
1412BOOL system_filtering = FALSE;
1413
6af7e591 1414BOOL tcp_fastopen_ok = FALSE;
059ec3d9 1415BOOL tcp_nodelay = TRUE;
5dc43717
JJ
1416#ifdef USE_TCP_WRAPPERS
1417uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1418#endif
8669f003 1419int test_harness_load_avg = 0;
059ec3d9
PH
1420int thismessage_size_limit = 0;
1421int timeout_frozen_after = 0;
1422BOOL timestamps_utc = FALSE;
1423
1424transport_instance *transports = NULL;
1425
1426transport_instance transport_defaults = {
1427 NULL, /* chain pointer */
1428 NULL, /* name */
1429 NULL, /* info */
1430 NULL, /* private options block pointer */
1431 NULL, /* driver name */
1432 NULL, /* setup entry point */
1433 1, /* batch_max */
1434 NULL, /* batch_id */
1435 NULL, /* home_dir */
1436 NULL, /* current_dir */
506900af 1437 NULL, /* expand-multi-domain */
059ec3d9
PH
1438 TRUE, /* multi-domain */
1439 FALSE, /* overrides_hosts */
1440 100, /* max_addresses */
1441 500, /* connection_max_messages */
1442 FALSE, /* deliver_as_creator */
1443 FALSE, /* disable_logging */
1444 FALSE, /* initgroups */
1445 FALSE, /* uid_set */
1446 FALSE, /* gid_set */
1447 (uid_t)(-1), /* uid */
1448 (gid_t)(-1), /* gid */
1449 NULL, /* expand_uid */
1450 NULL, /* expand_gid */
1451 NULL, /* warn_message */
1452 NULL, /* shadow */
1453 NULL, /* shadow_condition */
1454 NULL, /* filter_command */
1455 NULL, /* add_headers */
1456 NULL, /* remove_headers */
1457 NULL, /* return_path */
1458 NULL, /* debug_string */
fa41615d 1459 NULL, /* max_parallel */
059ec3d9
PH
1460 NULL, /* message_size_limit */
1461 NULL, /* headers_rewrite */
1462 NULL, /* rewrite_rules */
1463 0, /* rewrite_existflags */
1464 300, /* filter_timeout */
1465 FALSE, /* body_only */
1466 FALSE, /* delivery_date_add */
1467 FALSE, /* envelope_to_add */
1468 FALSE, /* headers_only */
1469 FALSE, /* rcpt_include_affixes */
1470 FALSE, /* return_path_add */
1471 FALSE, /* return_output */
1472 FALSE, /* return_fail_output */
1473 FALSE, /* log_output */
1474 FALSE, /* log_fail_output */
1475 FALSE, /* log_defer_output */
1476 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1477 1 nor 0 so can detect unset */
0cbf2b82 1478#ifndef DISABLE_EVENT
774ef2d7 1479 ,NULL /* event_action */
533aaf91 1480#endif
059ec3d9
PH
1481};
1482
1483int transport_count;
181d9bf8 1484uschar *transport_name = NULL;
332f5cf3 1485int transport_newlines;
55414b25 1486const uschar **transport_filter_argv = NULL;
059ec3d9 1487int transport_filter_timeout;
2e2a30b4 1488BOOL transport_filter_timed_out = FALSE;
059ec3d9
PH
1489int transport_write_timeout= 0;
1490
1491tree_node *tree_dns_fails = NULL;
1492tree_node *tree_duplicates = NULL;
1493tree_node *tree_nonrecipients = NULL;
1494tree_node *tree_unusable = NULL;
1495
1496BOOL trusted_caller = FALSE;
e2f5dc15 1497BOOL trusted_config = TRUE;
059ec3d9
PH
1498gid_t *trusted_groups = NULL;
1499uid_t *trusted_users = NULL;
1500uschar *timezone_string = US TIMEZONE_DEFAULT;
1501
1502uschar *unknown_login = NULL;
1503uschar *unknown_username = NULL;
1504uschar *untrusted_set_sender = NULL;
1505
1506/* A regex for matching a "From_" line in an incoming message, in the form
1507
1508 From ph10 Fri Jan 5 12:35 GMT 1996
1509
1510which the "mail" commands send to the MTA (undocumented, of course), or in
1511the form
1512
1513 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1514
1515which is apparently used by some UUCPs, despite it not being in RFC 976.
1516Because of variations in time formats, just match up to the minutes. That
1517should be sufficient. Examples have been seen of time fields like 12:1:03,
1518so just require one digit for hours and minutes. The weekday is also absent
1519in some forms. */
1520
1521uschar *uucp_from_pattern = US
1522 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1523 "(?:" /* Non-extracting bracket */
1524 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1525 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1526 ")" /* End alternation */
1527 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1528
1529uschar *uucp_from_sender = US"$1";
1530
aec45841 1531uschar *verify_mode = NULL;
f45100a3 1532uschar *version_copyright =
d4e5e70b
PP
1533 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1534 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
059ec3d9
PH
1535uschar *version_date = US"?";
1536uschar *version_cnumber = US"????";
1537uschar *version_string = US"?";
1538
aec45841 1539uschar *warn_message_file = NULL;
059ec3d9 1540int warning_count = 0;
aec45841
JH
1541uschar *warnmsg_delay = NULL;
1542uschar *warnmsg_recipients = NULL;
1543BOOL write_rejectlog = TRUE;
1544
059ec3d9
PH
1545
1546/* End of globals.c */