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Import Upstream version 4.84.2
[hcoop/debian/exim4.git] / src / globals.h
CommitLineData
420a0d19
CE		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5/* Copyright (c) University of Cambridge 1995 - 2014 */
6/* See the file NOTICE for conditions of use and distribution. */
7
8/* Almost all the global variables are defined together in this one header, so
9that they are easy to find. However, those that are visible during the
10compilation of the local_scan() function are defined separately in the
11local_scan.h header file. */
12
13/* First put any specials that are required for some operating systems. */
14
15#ifdef NEED_H_ERRNO
16extern int h_errno;
17#endif
18
19/* We need to be careful about width of int and atomicity in signal handlers,
20especially with the rise of 64-bit systems breaking older assumptions. But
21sig_atomic_t comes from signal.h so can't go into mytypes.h without including
22signal support in local_scan, which seems precipitous. */
23typedef volatile sig_atomic_t SIGNAL_BOOL;
24
25/* Now things that are present only when configured. */
26
27#ifdef EXIM_PERL
28extern uschar *opt_perl_startup; /* Startup code for Perl interpreter */
29extern BOOL opt_perl_at_start; /* Start Perl interpreter at start */
30extern BOOL opt_perl_started; /* Set once interpreter started */
31#endif
32
33#ifdef EXPAND_DLFUNC
34extern tree_node *dlobj_anchor; /* Tree of dynamically-loaded objects */
35#endif
36
37#ifdef LOOKUP_IBASE
38extern uschar *ibase_servers;
39#endif
40
41#ifdef LOOKUP_LDAP
42extern uschar *eldap_ca_cert_dir; /* Directory with CA certificates */
43extern uschar *eldap_ca_cert_file; /* CA certificate file */
44extern uschar *eldap_cert_file; /* Certificate file */
45extern uschar *eldap_cert_key; /* Certificate key file */
46extern uschar *eldap_cipher_suite; /* Allowed cipher suite */
47extern uschar *eldap_default_servers; /* List of default servers */
48extern uschar *eldap_require_cert; /* Peer certificate checking strategy */
49extern BOOL eldap_start_tls; /* Use STARTTLS */
50extern int eldap_version; /* LDAP version */
51#endif
52
53#ifdef LOOKUP_MYSQL
54extern uschar *mysql_servers; /* List of servers and connect info */
55#endif
56
57#ifdef LOOKUP_ORACLE
58extern uschar *oracle_servers; /* List of servers and connect info */
59#endif
60
61#ifdef LOOKUP_PGSQL
62extern uschar *pgsql_servers; /* List of servers and connect info */
63#endif
64
65#ifdef EXPERIMENTAL_REDIS
66extern uschar *redis_servers; /* List of servers and connect info */
67#endif
68
69#ifdef LOOKUP_SQLITE
70extern int sqlite_lock_timeout; /* Internal lock waiting timeout */
71#endif
72
73#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
74extern BOOL move_frozen_messages; /* Get them out of the normal directory */
75#endif
76
77/* These variables are outside the #ifdef because it keeps the code less
78cluttered in several places (e.g. during logging) if we can always refer to
79them. Also, the tls_ variables are now always visible. */
80
81typedef struct {
82 int active; /* fd/socket when in a TLS session */
83 int bits; /* bits used in TLS session */
84 BOOL certificate_verified; /* Client certificate verified */
85 uschar *cipher; /* Cipher used */
86 BOOL on_connect; /* For older MTAs that don't STARTTLS */
87 uschar *on_connect_ports; /* Ports always tls-on-connect */
88 void *ourcert; /* Certificate we presented, binary */
89 void *peercert; /* Certificate of peer, binary */
90 uschar *peerdn; /* DN from peer */
91 uschar *sni; /* Server Name Indication */
92 enum {
93 OCSP_NOT_REQ=0, /* not requested */
94 OCSP_NOT_RESP, /* no response to request */
95 OCSP_VFY_NOT_TRIED, /* response not verified */
96 OCSP_FAILED, /* verify failed */
97 OCSP_VFIED /* verified */
98 } ocsp; /* Stapled OCSP status */
99} tls_support;
100extern tls_support tls_in;
101extern tls_support tls_out;
102
103#ifdef SUPPORT_TLS
104extern BOOL gnutls_compat_mode; /* Less security, more compatibility */
105extern BOOL gnutls_allow_auto_pkcs11; /* Let GnuTLS autoload PKCS11 modules */
106extern uschar *gnutls_require_mac; /* So some can be avoided */
107extern uschar *gnutls_require_kx; /* So some can be avoided */
108extern uschar *gnutls_require_proto; /* So some can be avoided */
109extern uschar *openssl_options; /* OpenSSL compatibility options */
110extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
111extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
112extern uschar *tls_certificate; /* Certificate file */
113extern uschar *tls_channelbinding_b64; /* string of base64 channel binding */
114extern uschar *tls_crl; /* CRL File */
115extern int tls_dh_max_bits; /* don't accept higher lib suggestions */
116extern uschar *tls_dhparam; /* DH param file */
117#ifndef DISABLE_OCSP
118extern uschar *tls_ocsp_file; /* OCSP stapling proof file */
119#endif
120extern BOOL tls_offered; /* Server offered TLS */
121extern uschar *tls_privatekey; /* Private key file */
122extern BOOL tls_remember_esmtp; /* For YAEB */
123extern uschar *tls_require_ciphers; /* So some can be avoided */
124extern uschar *tls_try_verify_hosts; /* Optional client verification */
125extern uschar *tls_verify_certificates;/* Path for certificates to check */
126extern uschar *tls_verify_hosts; /* Mandatory client verification */
127#endif
128
129#ifdef EXPERIMENTAL_DSN
130extern uschar *dsn_envid; /* DSN envid string */
131extern int dsn_ret; /* DSN ret type*/
132extern const pcre *regex_DSN; /* For recognizing DSN settings */
133extern BOOL smtp_use_dsn; /* Global for passed connections */
134extern uschar *dsn_advertise_hosts; /* host for which TLS is advertised */
135#endif
136
137/* Input-reading functions for messages, so we can use special ones for
138incoming TCP/IP. */
139
140extern int (*receive_getc)(void);
141extern int (*receive_ungetc)(int);
142extern int (*receive_feof)(void);
143extern int (*receive_ferror)(void);
144extern BOOL (*receive_smtp_buffered)(void);
145
146
147/* For clearing, saving, restoring address expansion variables. We have to have
148the size of this vector set explicitly, because it is referenced from more than
149one module. */
150
151extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
152
153/* General global variables */
154
155extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
188b6fee 156extern uschar *add_environment; /* List of environment variables to add */
420a0d19
CE		 157extern int body_8bitmime; /* sender declared BODY= ; 7=7BIT, 8=8BITMIME */
158extern header_line *acl_added_headers; /* Headers added by an ACL */
159extern tree_node *acl_anchor; /* Tree of named ACLs */
160extern uschar *acl_arg[9]; /* Argument to ACL call */
161extern int acl_narg; /* Number of arguments to ACL call */
162extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
163#ifdef WITH_CONTENT_SCAN
164extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */
165#endif
166extern uschar *acl_not_smtp_start; /* ACL run at the beginning of a non-SMTP session */
167extern uschar *acl_removed_headers; /* Headers deleted by an ACL */
168extern uschar *acl_smtp_auth; /* ACL run for AUTH */
169extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
170extern uschar *acl_smtp_data; /* ACL run after DATA received */
171#ifndef DISABLE_PRDR
172extern uschar *acl_smtp_data_prdr; /* ACL run after DATA received if in PRDR mode*/
173const extern pcre *regex_PRDR; /* For recognizing PRDR settings */
174#endif
175#ifndef DISABLE_DKIM
176extern uschar *acl_smtp_dkim; /* ACL run for DKIM signatures / domains */
177#endif
178extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
179extern uschar *acl_smtp_expn; /* ACL run for EXPN */
180extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
181extern uschar *acl_smtp_mail; /* ACL run for MAIL */
182extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
183#ifdef WITH_CONTENT_SCAN
184extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
185#endif
186extern uschar *acl_smtp_notquit; /* ACL run for disconnects */
187extern uschar *acl_smtp_predata; /* ACL run for DATA command */
188extern uschar *acl_smtp_quit; /* ACL run for QUIT */
189extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
190extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
191extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
192extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
193extern tree_node *acl_var_c; /* ACL connection variables */
194extern tree_node *acl_var_m; /* ACL messsage variables */
195extern uschar *acl_verify_message; /* User message for verify failure */
196extern string_item *acl_warn_logged; /* Logged lines */
197extern uschar *acl_wherecodes[]; /* Response codes for ACL fails */
198extern uschar *acl_wherenames[]; /* Names for messages */
199extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
200extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
201extern address_item *addr_duplicate; /* Duplicate address list */
202extern address_item address_defaults; /* Default data for address item */
203extern uschar *address_file; /* Name of file when delivering to one */
204extern uschar *address_pipe; /* Pipe command when delivering to one */
205extern BOOL address_test_mode; /* True for -bt */
206extern tree_node *addresslist_anchor; /* Tree of defined address lists */
207extern int addresslist_count; /* Number defined */
208extern gid_t *admin_groups; /* List of admin groups */
209extern BOOL admin_user; /* True if caller can do admin */
210extern BOOL allow_auth_unadvertised;/* As it says */
211extern BOOL allow_domain_literals; /* As it says */
212extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
213extern BOOL allow_unqualified_recipient; /* As it says */
214extern BOOL allow_unqualified_sender; /* Ditto */
215extern BOOL allow_utf8_domains; /* For experimenting */
216extern uschar *authenticated_fail_id; /* ID that failed authentication */
217extern uschar *authenticated_id; /* ID that was authenticated */
218extern uschar *authenticated_sender; /* From AUTH on MAIL */
219extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
220extern uschar *auth_advertise_hosts; /* Only advertise to these */
221extern auth_info auths_available[]; /* Vector of available auth mechanisms */
222extern auth_instance *auths; /* Chain of instantiated auths */
223extern auth_instance auth_defaults; /* Default values */
224extern uschar *auth_defer_msg; /* Error message for log */
225extern uschar *auth_defer_user_msg; /* Error message for user */
226extern uschar *auth_vars[]; /* $authn variables */
227extern int auto_thaw; /* Auto-thaw interval */
228#ifdef WITH_CONTENT_SCAN
229extern BOOL av_failed; /* TRUE if the AV process failed */
230extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
231#endif
232
233extern BOOL background_daemon; /* Set FALSE to keep in foreground */
234extern uschar *base62_chars; /* Table of base-62 characters */
235extern uschar *bi_command; /* Command for -bi option */
236extern uschar *big_buffer; /* Used for various temp things */
237extern int big_buffer_size; /* Current size (can expand) */
238#ifdef EXPERIMENTAL_BRIGHTMAIL
239extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
240extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
241extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
242extern uschar *bmi_config_file; /* Brightmail config file */
243extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
244extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
245extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
246#endif
247extern uschar *bounce_message_file; /* Template file */
248extern uschar *bounce_message_text; /* One-liner */
249extern uschar *bounce_recipient; /* When writing an errmsg */
250extern BOOL bounce_return_body; /* Include body in returned message */
251extern BOOL bounce_return_message; /* Include message in bounce */
252extern int bounce_return_size_limit; /* Max amount to return */
253extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
254extern int bsmtp_transaction_linecount; /* Start of last transaction */
255
256extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
257extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
258extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
259extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
260extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
261extern uschar *check_dns_names_pattern;/* Regex for syntax check */
262extern int check_log_inodes; /* Minimum for message acceptance */
263extern int check_log_space; /* Minimum for message acceptance */
264extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */
265extern int check_spool_inodes; /* Minimum for message acceptance */
266extern int check_spool_space; /* Minimum for message acceptance */
267extern uschar *client_authenticator; /* Authenticator name used for smtp delivery */
268extern uschar *client_authenticated_id; /* "login" name used for SMTP AUTH */
269extern uschar *client_authenticated_sender; /* AUTH option to SMTP MAIL FROM (not yet used) */
270extern int clmacro_count; /* Number of command line macros */
271extern uschar *clmacros[]; /* Copy of them, for re-exec */
272extern int connection_max_messages;/* Max down one SMTP connection */
273extern BOOL config_changed; /* True if -C used */
274extern FILE *config_file; /* Configuration file */
275extern uschar *config_filename; /* Configuration file name */
276#ifdef CONFIGURE_GROUP
277extern gid_t config_gid; /* Additional group owner */
278#endif
279extern int config_lineno; /* Line number */
280extern uschar *config_main_filelist; /* List of possible config files */
281extern uschar *config_main_filename; /* File name actually used */
282#ifdef CONFIGURE_OWNER
283extern uid_t config_uid; /* Additional owner */
284#endif
285extern uschar *continue_hostname; /* Host for continued delivery */
286extern uschar *continue_host_address; /* IP address for ditto */
287extern BOOL continue_more; /* Flag more addresses waiting */
288extern int continue_sequence; /* Sequence num for continued delivery */
289extern uschar *continue_transport; /* Transport for continued delivery */
290
291extern uschar *csa_status; /* Client SMTP Authorization result */
292extern BOOL cutthrough_delivery; /* Deliver in foreground */
293extern int cutthrough_fd; /* Connection for ditto */
294
295extern BOOL daemon_listen; /* True if listening required */
296extern uschar *daemon_smtp_port; /* Can be a list of ports */
297extern int daemon_startup_retries; /* Number of times to retry */
298extern int daemon_startup_sleep; /* Sleep between retries */
299
300#ifdef EXPERIMENTAL_DCC
301extern BOOL dcc_direct_add_header; /* directly add header */
302extern uschar *dcc_header; /* dcc header */
303extern uschar *dcc_result; /* dcc result */
304extern uschar *dccifd_address; /* address of the dccifd daemon */
305extern uschar *dccifd_options; /* options for the dccifd daemon */
306#endif
307
308extern BOOL debug_daemon; /* Debug the daemon process only */
309extern int debug_fd; /* The fd for debug_file */
310extern FILE *debug_file; /* Where to write debugging info */
311extern bit_table debug_options[]; /* Table of debug options */
312extern int debug_options_count; /* Size of table */
313extern int delay_warning[]; /* Times between warnings */
314extern uschar *delay_warning_condition; /* Condition string for warnings */
315extern BOOL delivery_date_remove; /* Remove delivery-date headers */
316
317extern uschar *deliver_address_data; /* Arbitrary data for an address */
318extern int deliver_datafile; /* FD for data part of message */
319extern uschar *deliver_domain; /* The local domain for delivery */
320extern uschar *deliver_domain_data; /* From domain lookup */
321extern uschar *deliver_domain_orig; /* The original local domain for delivery */
322extern uschar *deliver_domain_parent; /* The parent domain for delivery */
323extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
324extern BOOL deliver_firsttime; /* True for first delivery attempt */
325extern BOOL deliver_force; /* TRUE if delivery was forced */
326extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
327extern time_t deliver_frozen_at; /* Time of freezing */
328extern uschar *deliver_home; /* Home directory for pipes */
329extern uschar *deliver_host; /* (First) host for routed local deliveries */
330 /* Remote host for filter */
331extern uschar *deliver_host_address; /* Address for remote delivery filter */
332extern uschar *deliver_in_buffer; /* Buffer for copying file */
333extern ino_t deliver_inode; /* Inode for appendfile */
334extern uschar *deliver_localpart; /* The local part for delivery */
335extern uschar *deliver_localpart_data; /* From local part lookup */
336extern uschar *deliver_localpart_orig; /* The original local part for delivery */
337extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
338extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
339extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
340extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
341extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
342extern uschar *deliver_out_buffer; /* Buffer for copying file */
343extern int deliver_queue_load_max; /* Different value for queue running */
344extern address_item *deliver_recipients; /* Current set of addresses */
345extern uschar *deliver_selectstring; /* For selecting by recipient */
346extern BOOL deliver_selectstring_regex; /* String is regex */
347extern uschar *deliver_selectstring_sender; /* For selecting by sender */
348extern BOOL deliver_selectstring_sender_regex; /* String is regex */
349#ifdef WITH_OLD_DEMIME
350extern int demime_errorlevel; /* Severity of MIME error */
351extern int demime_ok; /* Nonzero if message has been demimed */
352extern uschar *demime_reason; /* Reason for broken MIME container */
353#endif
354extern BOOL disable_callout_flush; /* Don't flush before callouts */
355extern BOOL disable_delay_flush; /* Don't flush before "delay" in ACL */
356#ifdef ENABLE_DISABLE_FSYNC
357extern BOOL disable_fsync; /* Not for normal use */
358#endif
359extern BOOL disable_ipv6; /* Don't do any IPv6 things */
360extern BOOL disable_logging; /* Disables log writing when TRUE */
361
362#ifndef DISABLE_DKIM
363extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */
364extern uschar *dkim_signers; /* Expansion variable, holds colon-separated list of domains and identities that have signed a message */
365extern uschar *dkim_signing_domain; /* Expansion variable, domain used for signing a message. */
366extern uschar *dkim_signing_selector; /* Expansion variable, selector used for signing a message. */
367extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */
368extern BOOL dkim_collect_input; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */
369extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */
370#endif
371#ifdef EXPERIMENTAL_DMARC
372extern BOOL dmarc_has_been_checked; /* Global variable to check if test has been called yet */
373extern uschar *dmarc_ar_header; /* Expansion variable, suggested header for dmarc auth results */
374extern uschar *dmarc_domain_policy; /* Expansion for declared policy of used domain */
375extern uschar *dmarc_forensic_sender; /* Set sender address for forensic reports */
376extern uschar *dmarc_history_file; /* Expansion variable, file to store dmarc results */
377extern uschar *dmarc_status; /* Expansion variable, one word value */
378extern uschar *dmarc_status_text; /* Expansion variable, human readable value */
379extern uschar *dmarc_tld_file; /* Mozilla TLDs text file */
380extern uschar *dmarc_used_domain; /* Expansion variable, domain libopendmarc chose for DMARC policy lookup */
381extern BOOL dmarc_disable_verify; /* Set via ACL control statement. When set, DMARC verification is disabled for the current message */
382extern BOOL dmarc_enable_forensic; /* Set via ACL control statement. When set, DMARC forensic reports are enabled for the current message */
383#endif
384
385extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
386extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */
387extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */
388extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
389extern int dns_retrans; /* Retransmission time setting */
390extern int dns_retry; /* Number of retries */
391extern int dns_dnssec_ok; /* When constructing DNS query, set DO flag */
392extern int dns_use_edns0; /* Coerce EDNS0 support on/off in resolver. */
393extern uschar *dnslist_domain; /* DNS (black) list domain */
394extern uschar *dnslist_matched; /* DNS (black) list matched key */
395extern uschar *dnslist_text; /* DNS (black) list text message */
396extern uschar *dnslist_value; /* DNS (black) list IP address */
397extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
398extern int domainlist_count; /* Number defined */
399extern BOOL dont_deliver; /* TRUE for -N option */
400extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
401
402/* This option is now a no-opt, retained for compatibility */
403extern BOOL drop_cr; /* For broken local MUAs */
404
405extern uschar *dsn_from; /* From: string for DSNs */
406
407extern BOOL enable_dollar_recipients; /* Make $recipients available */
408extern int envelope_to_remove; /* Remove envelope_to_headers */
409extern int errno_quota; /* Quota errno in this OS */
410extern int error_handling; /* Error handling style */
411extern uschar *errors_copy; /* For taking copies of errors */
412extern uschar *errors_reply_to; /* Reply-to for error messages */
413extern int errors_sender_rc; /* Return after message to sender*/
414extern gid_t exim_gid; /* To be used with exim_uid */
415extern BOOL exim_gid_set; /* TRUE if exim_gid set */
416extern uschar *exim_path; /* Path to exec exim */
417extern const uschar *exim_sieve_extension_list[]; /* list of sieve extensions */
418extern uid_t exim_uid; /* Non-root uid for exim */
419extern BOOL exim_uid_set; /* TRUE if exim_uid set */
420extern int expand_forbid; /* RDO flags for forbidding things */
421extern int expand_nlength[]; /* Lengths of numbered strings */
422extern int expand_nmax; /* Max numerical value */
423extern uschar *expand_nstring[]; /* Numbered strings */
424extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
425extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
426extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
427
428extern int fake_response; /* Fake FAIL or DEFER response to data */
429extern uschar *fake_response_text; /* User defined message for the above. Default is in globals.c. */
430extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
431extern BOOL filter_running; /* TRUE while running a filter */
432extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
433extern int filter_test; /* Filter test type */
434extern uschar *filter_test_sfile; /* System filter test file */
435extern uschar *filter_test_ufile; /* User filter test file */
436extern uschar *filter_thisaddress; /* For address looping */
437extern int finduser_retries; /* Retry count for getpwnam() */
438extern uid_t fixed_never_users[]; /* Can't be overridden */
439#ifdef WITH_OLD_DEMIME
440extern uschar *found_extension; /* demime acl condition: file extension found */
441#endif
442extern uschar *freeze_tell; /* Message on (some) freezings */
443extern uschar *freeze_tell_config; /* The configured setting */
444extern uschar *fudged_queue_times; /* For use in test harness */
445
446extern uschar *gecos_name; /* To be expanded when pattern matches */
447extern uschar *gecos_pattern; /* Pattern to match */
448extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
449
450extern int header_insert_maxlen; /* Max for inserting headers */
451extern int header_maxsize; /* Max total length for header */
452extern int header_line_maxsize; /* Max for an individual line */
453extern header_name header_names[]; /* Table of header names */
454extern int header_names_size; /* Number of entries */
455extern BOOL header_rewritten; /* TRUE if header changed by router */
456extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
457extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
458extern uschar *helo_lookup_domains; /* If these given, lookup host name */
459extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
460extern BOOL helo_verified; /* True if HELO verified */
461extern BOOL helo_verify_failed; /* True if attempt failed */
462extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
463extern const uschar *hex_digits; /* Used in several places */
464extern uschar *hold_domains; /* Hold up deliveries to these */
465extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
466extern BOOL host_checking_callout; /* TRUE if real callout wanted */
467extern uschar *host_data; /* Obtained from lookup in ACL */
468extern uschar *host_lookup; /* For which IP addresses are always looked up */
469extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
470extern BOOL host_lookup_failed; /* TRUE if lookup failed */
471extern uschar *host_lookup_order; /* Order of host lookup types */
472extern uschar *host_lookup_msg; /* Text for why it failed */
473extern int host_number; /* For sharing spools */
474extern uschar *host_number_string; /* For expanding */
475extern uschar *host_reject_connection; /* Reject these hosts */
476extern tree_node *hostlist_anchor; /* Tree of defined host lists */
477extern int hostlist_count; /* Number defined */
478extern uschar *hosts_connection_nolog; /* Limits the logging option */
479extern uschar *hosts_treat_as_local; /* For routing */
480
481extern int ignore_bounce_errors_after; /* Keep them for this time. */
482extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
483extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
484extern BOOL inetd_wait_mode; /* Whether running in inetd wait mode */
485extern int inetd_wait_timeout; /* Timeout for inetd wait mode */
486extern BOOL is_inetd; /* True for inetd calls */
487extern uschar *iterate_item; /* Item from iterate list */
488
489extern int journal_fd; /* Fd for journal file */
490
188b6fee 491extern uschar *keep_environment; /* Whitelist for environment variables */
420a0d19
CE		 492extern int keep_malformed; /* Time to keep malformed messages */
493
494extern uschar *eldap_dn; /* Where LDAP DNs are left */
495extern int load_average; /* Most recently read load average */
496extern BOOL local_error_message; /* True if handling one of these */
497extern BOOL local_from_check; /* For adding Sender: (global value) */
498extern uschar *local_from_prefix; /* Permitted prefixes */
499extern uschar *local_from_suffix; /* Permitted suffixes */
500extern uschar *local_interfaces; /* For forcing specific interfaces */
501extern uschar *local_scan_data; /* Text returned by local_scan() */
502extern optionlist local_scan_options[];/* Option list for local_scan() */
503extern int local_scan_options_count; /* Size of the list */
504extern int local_scan_timeout; /* Timeout for local_scan() */
505extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
506extern gid_t local_user_gid; /* As it says; may be set in routers */
507extern uid_t local_user_uid; /* As it says; may be set in routers */
508extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
509extern int localpartlist_count; /* Number defined */
510extern uschar *log_buffer; /* For constructing log entries */
511extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
512extern uschar *log_file_path; /* If unset, use default */
513extern bit_table log_options[]; /* Table of options */
514extern int log_options_count; /* Size of table */
515extern int log_reject_target; /* Target log for ACL rejections */
516extern uschar *log_selector_string; /* As supplied in the config */
517extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
518extern BOOL log_testing_mode; /* TRUE in various testing modes */
519extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
520extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
521extern uschar *login_sender_address; /* The actual sender address */
522extern lookup_info **lookup_list; /* Array of pointers to available lookups */
523extern int lookup_list_count; /* Number of entries in the list */
524extern uschar *lookup_dnssec_authenticated; /* AD status of dns lookup */
525extern int lookup_open_max; /* Max lookup files to cache */
526extern uschar *lookup_value; /* Value looked up from file */
527
528extern macro_item *macros; /* Configuration macros */
529extern uschar *mailstore_basename; /* For mailstore deliveries */
530#ifdef WITH_CONTENT_SCAN
531extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
532#endif
533extern int max_received_linelength;/* What it says */
534extern int max_username_length; /* For systems with broken getpwnam() */
535extern int message_age; /* In seconds */
536extern uschar *message_body; /* Start of message body for filter */
537extern uschar *message_body_end; /* End of message body for filter */
538extern BOOL message_body_newlines; /* FALSE => remove newlines */
539extern int message_body_size; /* Sic */
540extern int message_body_visible; /* Amount visible in message_body */
541extern int message_ended; /* State of message reading and how ended */
542extern uschar *message_headers; /* When built */
543extern uschar message_id_option[]; /* -E<message-id> for use as option */
544extern uschar *message_id_external; /* External form of following */
545extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
546extern uschar *message_id_text; /* Expanded to form message_id */
547extern struct timeval message_id_tv; /* Time used to create last message_id */
548extern int message_linecount; /* As it says */
549extern BOOL message_logs; /* TRUE to write message logs */
550extern int message_size; /* Size of message */
551extern uschar *message_size_limit; /* As it says */
552extern uschar message_subdir[]; /* Subdirectory for messages */
553extern uschar *message_reference; /* Reference for error messages */
554
555/* MIME ACL expandables */
556#ifdef WITH_CONTENT_SCAN
557extern int mime_anomaly_level;
558extern const uschar *mime_anomaly_text;
559extern uschar *mime_boundary;
560extern uschar *mime_charset;
561extern uschar *mime_content_description;
562extern uschar *mime_content_disposition;
563extern uschar *mime_content_id;
564extern unsigned int mime_content_size;
565extern uschar *mime_content_transfer_encoding;
566extern uschar *mime_content_type;
567extern uschar *mime_decoded_filename;
568extern uschar *mime_filename;
569extern int mime_is_multipart;
570extern int mime_is_coverletter;
571extern int mime_is_rfc822;
572extern int mime_part_count;
573#endif
574
575extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
576
577extern uid_t *never_users; /* List of uids never to be used */
578#ifdef WITH_CONTENT_SCAN
579extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
580#endif
581extern BOOL no_multiline_responses; /* For broken clients */
582
583extern optionlist optionlist_auths[]; /* These option lists are made */
584extern int optionlist_auths_size; /* global so that readconf can */
585extern optionlist optionlist_routers[]; /* see them for printing out */
586extern int optionlist_routers_size; /* the options. */
587extern optionlist optionlist_transports[];
588extern int optionlist_transports_size;
589
590extern uid_t original_euid; /* Original effective uid */
591extern gid_t originator_gid; /* Gid of whoever wrote spool file */
592extern uschar *originator_login; /* Login of same */
593extern uschar *originator_name; /* Full name of same */
594extern uid_t originator_uid; /* Uid of ditto */
595extern uschar *override_local_interfaces; /* Value of -oX argument */
596extern uschar *override_pid_file_path; /* Value of -oP argument */
597
598extern BOOL parse_allow_group; /* Allow group syntax */
599extern BOOL parse_found_group; /* In the middle of a group */
600extern uschar *percent_hack_domains; /* Local domains for which '% operates */
601extern uschar *pid_file_path; /* For writing daemon pids */
602extern uschar *pipelining_advertise_hosts; /* As it says */
603extern BOOL pipelining_enable; /* As it says */
604#ifndef DISABLE_PRDR
605extern BOOL prdr_enable; /* As it says */
606extern BOOL prdr_requested; /* Connecting mail server wants PRDR */
607#endif
608extern BOOL preserve_message_logs; /* Save msglog files */
609extern uschar *primary_hostname; /* Primary name of this computer */
610extern BOOL print_topbitchars; /* Topbit chars are printing chars */
611extern uschar process_info[]; /* For SIGUSR1 output */
612extern int process_info_len;
613extern uschar *process_log_path; /* Alternate path */
614extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
615
616#ifdef EXPERIMENTAL_PROXY
617extern uschar *proxy_host_address; /* IP of host being proxied */
618extern int proxy_host_port; /* Port of host being proxied */
619extern uschar *proxy_required_hosts; /* Hostlist which (require) use proxy protocol */
620extern BOOL proxy_session; /* TRUE if receiving mail from valid proxy */
621extern BOOL proxy_session_failed; /* TRUE if required proxy negotiation failed */
622extern uschar *proxy_target_address; /* IP of proxy server inbound */
623extern int proxy_target_port; /* Port of proxy server inbound */
624#endif
625
626extern uschar *prvscheck_address; /* Set during prvscheck expansion item */
627extern uschar *prvscheck_keynum; /* Set during prvscheck expansion item */
628extern uschar *prvscheck_result; /* Set during prvscheck expansion item */
629
630extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
631extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
632extern BOOL queue_2stage; /* Run queue in 2-stage manner */
633extern uschar *queue_domains; /* Queue these domains */
634extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
635extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
636extern BOOL queue_run_force; /* TRUE to force during queue run */
637extern BOOL queue_run_local; /* Local deliveries only in queue run */
638extern BOOL queue_running; /* TRUE for queue running process and */
639 /* immediate children */
640extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
641extern int queue_run_pipe; /* Pipe for synchronizing */
642extern int queue_interval; /* Queue running interval */
643extern BOOL queue_only; /* TRUE to disable immediate delivery */
644extern int queue_only_load; /* Max load before auto-queue */
645extern BOOL queue_only_load_latch; /* Latch queue_only_load TRUE */
646extern uschar *queue_only_file; /* Queue if file exists/not-exists */
647extern BOOL queue_only_override; /* Allow override from command line */
648extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
649extern BOOL queue_run_in_order; /* As opposed to random */
650extern int queue_run_max; /* Max queue runners */
651extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
652extern uschar *queue_smtp_domains; /* Ditto, for these domains */
653
654extern unsigned int random_seed; /* Seed for random numbers */
655extern tree_node *ratelimiters_cmd; /* Results of command ratelimit checks */
656extern tree_node *ratelimiters_conn; /* Results of connection ratelimit checks */
657extern tree_node *ratelimiters_mail; /* Results of per-mail ratelimit checks */
658extern uschar *raw_active_hostname; /* Pre-expansion */
659extern uschar *raw_sender; /* Before rewriting */
660extern uschar **raw_recipients; /* Before rewriting */
661extern int raw_recipients_count;
662extern int rcpt_count; /* Count of RCPT commands in a message */
663extern int rcpt_fail_count; /* Those that got 5xx */
664extern int rcpt_defer_count; /* Those that got 4xx */
665extern gid_t real_gid; /* Real gid */
666extern uid_t real_uid; /* Real user running program */
667extern BOOL really_exim; /* FALSE in utilities */
668extern BOOL receive_call_bombout; /* Flag for crashing log */
669extern int receive_linecount; /* Mainly for BSMTP errors */
670extern int receive_messagecount; /* Mainly for BSMTP errors */
671extern int receive_timeout; /* For non-SMTP acceptance */
672extern int received_count; /* Count of Received: headers */
673extern uschar *received_for; /* For "for" field */
674extern uschar *received_header_text; /* Definition of Received: header */
675extern int received_headers_max; /* Max count of Received: headers */
676extern int received_time; /* Time the message was received */
677extern uschar *recipient_data; /* lookup data for recipients */
678extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
679extern uschar *recipient_verify_failure; /* What went wrong */
680extern BOOL recipients_discarded; /* By an ACL */
681extern int recipients_list_max; /* Maximum number fitting in list */
682extern int recipients_max; /* Max permitted */
683extern int recipients_max_reject; /* If TRUE, reject whole message */
684extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
685extern const pcre *regex_check_dns_names; /* For DNS name checking */
686extern const pcre *regex_From; /* For recognizing "From_" lines */
687extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
688extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
689extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
690extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */
691extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
692#ifdef WHITELIST_D_MACROS
693extern const pcre *regex_whitelisted_macro; /* For -D macro values */
694#endif
695#ifdef WITH_CONTENT_SCAN
696extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
697#endif
698extern int remote_delivery_count; /* Number of remote addresses */
699extern int remote_max_parallel; /* Maximum parallel delivery */
700extern uschar *remote_sort_domains; /* Remote domain sorting order */
701extern retry_config *retries; /* Chain of retry config information */
702extern int retry_data_expire; /* When to expire retry data */
703extern int retry_interval_max; /* Absolute maximum */
704extern int retry_maximum_timeout; /* The maximum timeout */
705extern uschar *return_path; /* Return path for a message */
706extern BOOL return_path_remove; /* Remove return-path headers */
707extern int rewrite_existflags; /* Indicate which headers have rewrites */
708extern uschar *rfc1413_hosts; /* RFC hosts */
709extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
710/* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
711extern uid_t root_gid; /* The gid for root */
712extern uid_t root_uid; /* The uid for root */
713extern router_info routers_available[];/* Vector of available routers */
714extern router_instance *routers; /* Chain of instantiated routers */
715extern router_instance router_defaults;/* Default values */
716extern uschar *router_name; /* Name of router last started */
717extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
718extern ip_address_item *running_interfaces; /* Host's running interfaces */
719extern uschar *running_status; /* Flag string for testing */
720extern int runrc; /* rc from ${run} */
721
722extern uschar *search_error_message; /* Details of lookup problem */
723extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
724extern uschar *self_hostname; /* Self host after routing->directors */
725extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
726extern uschar *sender_address_data; /* address_data from sender verify */
727extern BOOL sender_address_forced; /* Set by -f */
728extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
729extern uschar *sender_data; /* lookup result for senders */
730extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
731extern uschar *sender_fullhost; /* Sender host name + address */
732extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
733extern uschar **sender_host_aliases; /* Points to list of alias names */
734extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
735extern BOOL sender_host_dnssec; /* true if sender_host_name verified in DNSSEC */
736extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
737extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
738extern uschar *sender_ident; /* Sender identity via RFC 1413 */
739extern BOOL sender_local; /* TRUE for local senders */
740extern BOOL sender_name_forced; /* Set by -F */
741extern uschar *sender_rate; /* Sender rate computed by ACL */
742extern uschar *sender_rate_limit; /* Configured rate limit */
743extern uschar *sender_rate_period; /* Configured smoothing period */
744extern uschar *sender_rcvhost; /* Host data for Received: */
745extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
746extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
747extern uschar *sender_verify_failure; /* What went wrong */
748extern address_item *sender_verified_list; /* Saved chain of sender verifies */
749extern address_item *sender_verified_failed; /* The one that caused denial */
750extern uschar *sending_ip_address; /* Address of outgoing (SMTP) interface */
751extern int sending_port; /* Port of outgoing interface */
752extern SIGNAL_BOOL sigalrm_seen; /* Flag for sigalrm_handler */
753extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
754extern int smtp_accept_count; /* Count of connections */
755extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
756extern int smtp_accept_max; /* Max SMTP connections */
757extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
758extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
759extern int smtp_accept_max_per_connection; /* Max msgs per connection */
760extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
761extern int smtp_accept_queue; /* Queue after so many connections */
762extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
763extern int smtp_accept_reserve; /* Reserve these SMTP connections */
764extern uschar *smtp_active_hostname; /* Hostname for this message */
765extern BOOL smtp_authenticated; /* Sending client has authenticated */
766extern uschar *smtp_banner; /* Banner string (to be expanded) */
767extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
768extern int smtp_ch_index; /* Index in smtp_connection_had */
769extern uschar *smtp_cmd_argument; /* For all SMTP commands */
770extern uschar *smtp_cmd_buffer; /* SMTP command buffer */
771extern time_t smtp_connection_start; /* Start time of SMTP connection */
772extern uschar smtp_connection_had[]; /* Recent SMTP commands */
773extern int smtp_connect_backlog; /* Max backlog permitted */
774extern double smtp_delay_mail; /* Current MAIL delay */
775extern double smtp_delay_rcpt; /* Current RCPT delay */
776extern BOOL smtp_enforce_sync; /* Enforce sync rules */
777extern uschar *smtp_etrn_command; /* Command to run */
778extern BOOL smtp_etrn_serialize; /* Only one at once */
779extern FILE *smtp_in; /* Incoming SMTP input file */
780extern int smtp_load_reserve; /* Only from reserved if load > this */
781extern int smtp_mailcmd_count; /* Count of MAIL commands */
782extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
783extern int smtp_max_unknown_commands; /* As it says */
784extern uschar *smtp_notquit_reason; /* Global for disconnect reason */
785extern FILE *smtp_out; /* Incoming SMTP output file */
786extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
787extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
788extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
789extern uschar *smtp_read_error; /* Message for SMTP input error */
790extern int smtp_receive_timeout; /* Applies to each received line */
791extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
792extern BOOL smtp_return_error_details; /* TRUE to return full info */
793extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
794extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
795extern int smtp_rlm_limit; /* Max delay */
796extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
797extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
798extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
799extern int smtp_rlr_limit; /* Max delay */
800extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
801extern BOOL smtp_use_pipelining; /* Global for passed connections */
802extern BOOL smtp_use_size; /* Global for passed connections */
803
804#ifdef WITH_CONTENT_SCAN
805extern uschar *spamd_address; /* address for the spamassassin daemon */
806extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
807extern uschar *spam_report; /* the spamd report (multiline) */
808extern uschar *spam_score; /* the spam score (float) */
809extern uschar *spam_score_int; /* spam_score * 10 (int) */
810#endif
811#ifdef EXPERIMENTAL_SPF
812extern uschar *spf_guess; /* spf best-guess record */
813extern uschar *spf_header_comment; /* spf header comment */
814extern uschar *spf_received; /* Received-SPF: header */
815extern uschar *spf_result; /* spf result in string form */
816extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
817#endif
818extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
819extern uschar *spool_directory; /* Name of spool directory */
820#ifdef EXPERIMENTAL_SRS
821extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
822extern uschar *srs_db_address; /* SRS db address */
823extern uschar *srs_db_key; /* SRS db key */
824extern int srs_hashlength; /* SRS hash length */
825extern int srs_hashmin; /* SRS minimum hash length */
826extern int srs_maxage; /* SRS max age */
827extern uschar *srs_orig_sender; /* SRS original sender */
828extern uschar *srs_orig_recipient; /* SRS original recipient */
829extern uschar *srs_recipient; /* SRS recipient */
830extern uschar *srs_secrets; /* SRS secrets list */
831extern uschar *srs_status; /* SRS staus */
832extern BOOL srs_usehash; /* SRS use hash flag */
833extern BOOL srs_usetimestamp; /* SRS use timestamp flag */
834#endif
835extern BOOL strict_acl_vars; /* ACL variables have to be set before being used */
836extern int string_datestamp_offset;/* After insertion by string_format */
837extern int string_datestamp_length;/* After insertion by string_format */
838extern int string_datestamp_type; /* After insertion by string_format */
839extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
840extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
841extern uschar *submission_domain; /* Domain for submission mode */
842extern BOOL submission_mode; /* Can be forced from ACL */
843extern uschar *submission_name; /* User name set from ACL */
844extern BOOL suppress_local_fixups; /* Can be forced from ACL */
845extern BOOL suppress_local_fixups_default; /* former is reset to this; override with -G */
846extern BOOL synchronous_delivery; /* TRUE if -odi is set */
847extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
848extern int syslog_facility; /* As defined by Syslog.h */
849extern uschar *syslog_processname; /* 'ident' param to openlog() */
850extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
851extern uschar *system_filter; /* Name of system filter file */
852
853extern uschar *system_filter_directory_transport; /* Transports for the */
854extern uschar *system_filter_file_transport; /* system filter */
855extern uschar *system_filter_pipe_transport;
856extern uschar *system_filter_reply_transport;
857
858extern gid_t system_filter_gid; /* Gid for running system filter */
859extern BOOL system_filter_gid_set; /* TRUE if gid set */
860extern uid_t system_filter_uid; /* Uid for running system filter */
861extern BOOL system_filter_uid_set; /* TRUE if uid set */
862extern BOOL system_filtering; /* TRUE when running system filter */
863
864extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
865#ifdef USE_TCP_WRAPPERS
866extern uschar *tcp_wrappers_daemon_name; /* tcpwrappers daemon lookup name */
867#endif
868extern int test_harness_load_avg; /* For use when testing */
869extern int thismessage_size_limit; /* Limit for this message */
870extern int timeout_frozen_after; /* Max time to keep frozen messages */
871extern BOOL timestamps_utc; /* Use UTC for all times */
872
873#ifdef EXPERIMENTAL_TPDA
874extern int tpda_defer_errno; /* error number set when a remote delivery is deferred with a host error */
875extern uschar *tpda_defer_errstr; /* error string set when a remote delivery is deferred with a host error */
876extern uschar *tpda_delivery_ip; /* IP of host, which has accepted delivery */
877extern int tpda_delivery_port; /* port of host, which has accepted delivery */
878extern uschar *tpda_delivery_fqdn; /* FQDN of host, which has accepted delivery */
879extern uschar *tpda_delivery_local_part;/* local part of address being delivered */
880extern uschar *tpda_delivery_domain; /* domain part of address being delivered */
881extern uschar *tpda_delivery_confirmation; /* SMTP confirmation message */
882#endif
883
884extern uschar *transport_name; /* Name of transport last started */
885extern int transport_count; /* Count of bytes transported */
886extern int transport_newlines; /* Accurate count of number of newline chars transported */
887extern uschar **transport_filter_argv; /* For on-the-fly filtering */
888extern int transport_filter_timeout; /* Timeout for same */
889extern BOOL transport_filter_timed_out; /* True if it did */
890
891extern transport_info transports_available[]; /* Vector of available transports */
892extern transport_instance *transports; /* Chain of instantiated transports */
893extern transport_instance transport_defaults; /* Default values */
894
895extern int transport_write_timeout;/* Set to time out individual writes */
896
897extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
898extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
899extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
900extern tree_node *tree_unusable; /* Tree of unusable addresses */
901
902extern BOOL trusted_caller; /* Caller is trusted */
903extern BOOL trusted_config; /* Configuration file is trusted */
904extern gid_t *trusted_groups; /* List of trusted groups */
905extern uid_t *trusted_users; /* List of trusted users */
906extern uschar *timezone_string; /* Required timezone setting */
907
908extern uschar *unknown_login; /* To use when login id unknown */
909extern uschar *unknown_username; /* Ditto */
910extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
911extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
912extern uschar *uucp_from_sender; /* For building the sender */
913
914extern uschar *warn_message_file; /* Template for warning messages */
915extern uschar *warnmsg_delay; /* String form of delay time */
916extern uschar *warnmsg_recipients; /* Recipients of warning message */
917extern BOOL write_rejectlog; /* Control of reject logging */
918
919extern uschar *version_copyright; /* Copyright notice */
920extern uschar *version_date; /* Date of compilation */
921extern uschar *version_cnumber; /* Compile number */
922extern uschar *version_string; /* Version string */
923
924extern int warning_count; /* Delay warnings sent for this msg */
925
926/* End of globals.h */
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