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Implement -G => "control=suppress_local_fixups"
[exim.git] / src / src / globals.h
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
c4ceed07 5/* Copyright (c) University of Cambridge 1995 - 2012 */
059ec3d9
PH		 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
cd59ab18
PP		 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
059ec3d9
PH		 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
1a46a8c5
PH		 33#ifdef EXPAND_DLFUNC
34extern tree_node *dlobj_anchor; /* Tree of dynamically-loaded objects */
35#endif
36
059ec3d9
PH		 37#ifdef LOOKUP_IBASE
38extern uschar *ibase_servers;
39#endif
40
41#ifdef LOOKUP_LDAP
bc19a55b
PP		 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 */
059ec3d9 47extern uschar *eldap_default_servers; /* List of default servers */
bc19a55b
PP		 48extern uschar *eldap_require_cert; /* Peer certificate checking strategy */
49extern BOOL eldap_start_tls; /* Use STARTTLS */
059ec3d9
PH		 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
31480e42
PH		 65#ifdef LOOKUP_SQLITE
66extern int sqlite_lock_timeout; /* Internal lock waiting timeout */
67#endif
68
059ec3d9
PH		 69#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
70extern BOOL move_frozen_messages; /* Get them out of the normal directory */
71#endif
72
73/* These variables are outside the #ifdef because it keeps the code less
74cluttered in several places (e.g. during logging) if we can always refer to
75them. Also, the tls_ variables are now always visible. */
76
77extern int tls_active; /* fd/socket when in a TLS session */
edc33b5f 78extern int tls_bits; /* bits used in TLS session */
059ec3d9
PH		 79extern BOOL tls_certificate_verified; /* Client certificate verified */
80extern uschar *tls_cipher; /* Cipher used */
81extern BOOL tls_on_connect; /* For older MTAs that don't STARTTLS */
82extern uschar *tls_on_connect_ports; /* Ports always tls-on-connect */
83extern uschar *tls_peerdn; /* DN from peer */
84
85#ifdef SUPPORT_TLS
e6060e2c 86extern BOOL gnutls_compat_mode; /* Less security, more compatibility */
83da1223
PH		 87extern uschar *gnutls_require_mac; /* So some can be avoided */
88extern uschar *gnutls_require_kx; /* So some can be avoided */
89extern uschar *gnutls_require_proto; /* So some can be avoided */
77bb000f 90extern uschar *openssl_options; /* OpenSSL compatibility options */
059ec3d9
PH		 91extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
92extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
93extern uschar *tls_certificate; /* Certificate file */
44bbabb5 94extern uschar *tls_channelbinding_b64; /* string of base64 channel binding */
059ec3d9 95extern uschar *tls_crl; /* CRL File */
3375e053 96extern int tls_dh_max_bits; /* don't accept higher lib suggestions */
059ec3d9 97extern uschar *tls_dhparam; /* DH param file */
3f7eeb86
PP		 98#if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
99extern uschar *tls_ocsp_file; /* OCSP stapling proof file */
100#endif
059ec3d9
PH		 101extern BOOL tls_offered; /* Server offered TLS */
102extern uschar *tls_privatekey; /* Private key file */
103extern BOOL tls_remember_esmtp; /* For YAEB */
104extern uschar *tls_require_ciphers; /* So some can be avoided */
7be682ca 105extern uschar *tls_sni; /* Server Name Indication */
059ec3d9
PH		 106extern uschar *tls_try_verify_hosts; /* Optional client verification */
107extern uschar *tls_verify_certificates;/* Path for certificates to check */
108extern uschar *tls_verify_hosts; /* Mandatory client verification */
109#endif
110
111
112/* Input-reading functions for messages, so we can use special ones for
113incoming TCP/IP. */
114
115extern int (*receive_getc)(void);
116extern int (*receive_ungetc)(int);
117extern int (*receive_feof)(void);
118extern int (*receive_ferror)(void);
58eb016e 119extern BOOL (*receive_smtp_buffered)(void);
059ec3d9
PH		 120
121
122/* For clearing, saving, restoring address expansion variables. We have to have
123the size of this vector set explicitly, because it is referenced from more than
124one module. */
125
126extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
127
128/* General global variables */
129
130extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
71fafd95 131extern header_line *acl_added_headers; /* Headers added by an ACL */
059ec3d9
PH		 132extern tree_node *acl_anchor; /* Tree of named ACLs */
133extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
54cdb463
PH		 134#ifdef WITH_CONTENT_SCAN
135extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */
136#endif
45b91596 137extern uschar *acl_not_smtp_start; /* ACL run at the beginning of a non-SMTP session */
059ec3d9
PH		 138extern uschar *acl_smtp_auth; /* ACL run for AUTH */
139extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
140extern uschar *acl_smtp_data; /* ACL run after DATA received */
80a47a2c
TK		 141#ifndef DISABLE_DKIM
142extern uschar *acl_smtp_dkim; /* ACL run for DKIM signatures / domains */
143#endif
059ec3d9
PH		 144extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
145extern uschar *acl_smtp_expn; /* ACL run for EXPN */
146extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
147extern uschar *acl_smtp_mail; /* ACL run for MAIL */
148extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
8523533c
TK		 149#ifdef WITH_CONTENT_SCAN
150extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
151#endif
8f128379 152extern uschar *acl_smtp_notquit; /* ACL run for disconnects */
059ec3d9
PH		 153extern uschar *acl_smtp_predata; /* ACL run for DATA command */
154extern uschar *acl_smtp_quit; /* ACL run for QUIT */
155extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
156extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
157extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
158extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
38a0a95f
PH		 159extern tree_node *acl_var_c; /* ACL connection variables */
160extern tree_node *acl_var_m; /* ACL messsage variables */
059ec3d9 161extern uschar *acl_verify_message; /* User message for verify failure */
059ec3d9 162extern string_item *acl_warn_logged; /* Logged lines */
a5bd321b 163extern uschar *acl_wherecodes[]; /* Response codes for ACL fails */
059ec3d9 164extern uschar *acl_wherenames[]; /* Names for messages */
69358f02
PH		 165extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
166extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
059ec3d9
PH		 167extern address_item *addr_duplicate; /* Duplicate address list */
168extern address_item address_defaults; /* Default data for address item */
169extern uschar *address_file; /* Name of file when delivering to one */
170extern uschar *address_pipe; /* Pipe command when delivering to one */
171extern BOOL address_test_mode; /* True for -bt */
172extern tree_node *addresslist_anchor; /* Tree of defined address lists */
173extern int addresslist_count; /* Number defined */
174extern gid_t *admin_groups; /* List of admin groups */
175extern BOOL admin_user; /* True if caller can do admin */
c46782ef 176extern BOOL allow_auth_unadvertised;/* As it says */
059ec3d9
PH		 177extern BOOL allow_domain_literals; /* As it says */
178extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
179extern BOOL allow_unqualified_recipient; /* As it says */
180extern BOOL allow_unqualified_sender; /* Ditto */
181extern BOOL allow_utf8_domains; /* For experimenting */
182extern uschar *authenticated_id; /* ID that was authenticated */
183extern uschar *authenticated_sender; /* From AUTH on MAIL */
184extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
185extern uschar *auth_advertise_hosts; /* Only advertise to these */
186extern auth_info auths_available[]; /* Vector of available auth mechanisms */
187extern auth_instance *auths; /* Chain of instantiated auths */
188extern auth_instance auth_defaults; /* Default values */
189extern uschar *auth_defer_msg; /* Error message for log */
190extern uschar *auth_defer_user_msg; /* Error message for user */
f78eb7c6 191extern uschar *auth_vars[]; /* $authn variables */
059ec3d9 192extern int auto_thaw; /* Auto-thaw interval */
8523533c 193#ifdef WITH_CONTENT_SCAN
9e949f00 194extern BOOL av_failed; /* TRUE if the AV process failed */
8523533c
TK		 195extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
196#endif
059ec3d9
PH		 197
198extern BOOL background_daemon; /* Set FALSE to keep in foreground */
199extern uschar *base62_chars; /* Table of base-62 characters */
200extern uschar *bi_command; /* Command for -bi option */
201extern uschar *big_buffer; /* Used for various temp things */
202extern int big_buffer_size; /* Current size (can expand) */
8523533c
TK		 203#ifdef EXPERIMENTAL_BRIGHTMAIL
204extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
205extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
206extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
207extern uschar *bmi_config_file; /* Brightmail config file */
208extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
209extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
210extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
211#endif
059ec3d9
PH		 212extern uschar *bounce_message_file; /* Template file */
213extern uschar *bounce_message_text; /* One-liner */
214extern uschar *bounce_recipient; /* When writing an errmsg */
215extern BOOL bounce_return_body; /* Include body in returned message */
216extern BOOL bounce_return_message; /* Include message in bounce */
217extern int bounce_return_size_limit; /* Max amount to return */
218extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
219extern int bsmtp_transaction_linecount; /* Start of last transaction */
220
221extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
222extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
223extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
224extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
225extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
226extern uschar *check_dns_names_pattern;/* Regex for syntax check */
227extern int check_log_inodes; /* Minimum for message acceptance */
228extern int check_log_space; /* Minimum for message acceptance */
a0d6ba8a 229extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */
059ec3d9
PH		 230extern int check_spool_inodes; /* Minimum for message acceptance */
231extern int check_spool_space; /* Minimum for message acceptance */
232extern int clmacro_count; /* Number of command line macros */
233extern uschar *clmacros[]; /* Copy of them, for re-exec */
234extern int connection_max_messages;/* Max down one SMTP connection */
235extern BOOL config_changed; /* True if -C used */
236extern FILE *config_file; /* Configuration file */
237extern uschar *config_filename; /* Configuration file name */
35edf2ff
PH		 238#ifdef CONFIGURE_GROUP
239extern gid_t config_gid; /* Additional group owner */
240#endif
059ec3d9
PH		 241extern int config_lineno; /* Line number */
242extern uschar *config_main_filelist; /* List of possible config files */
243extern uschar *config_main_filename; /* File name actually used */
244#ifdef CONFIGURE_OWNER
245extern uid_t config_uid; /* Additional owner */
246#endif
247extern uschar *continue_hostname; /* Host for continued delivery */
248extern uschar *continue_host_address; /* IP address for ditto */
249extern BOOL continue_more; /* Flag more addresses waiting */
250extern int continue_sequence; /* Sequence num for continued delivery */
251extern uschar *continue_transport; /* Transport for continued delivery */
252
e5a9dba6
PH		 253extern uschar *csa_status; /* Client SMTP Authorization result */
254
059ec3d9
PH		 255extern BOOL daemon_listen; /* True if listening required */
256extern uschar *daemon_smtp_port; /* Can be a list of ports */
4aee0225
PH		 257extern int daemon_startup_retries; /* Number of times to retry */
258extern int daemon_startup_sleep; /* Sleep between retries */
6a8f9482
TK		 259
260#ifdef EXPERIMENTAL_DCC
261extern BOOL dcc_direct_add_header; /* directly add header */
262extern uschar *dcc_header; /* dcc header */
263extern uschar *dcc_result; /* dcc result */
264extern uschar *dccifd_address; /* address of the dccifd daemon */
265extern uschar *dccifd_options; /* options for the dccifd daemon */
266#endif
267
3d235903 268extern BOOL debug_daemon; /* Debug the daemon process only */
059ec3d9
PH		 269extern int debug_fd; /* The fd for debug_file */
270extern FILE *debug_file; /* Where to write debugging info */
271extern bit_table debug_options[]; /* Table of debug options */
272extern int debug_options_count; /* Size of table */
273extern int delay_warning[]; /* Times between warnings */
274extern uschar *delay_warning_condition; /* Condition string for warnings */
275extern BOOL delivery_date_remove; /* Remove delivery-date headers */
276
277extern uschar *deliver_address_data; /* Arbitrary data for an address */
278extern int deliver_datafile; /* FD for data part of message */
279extern uschar *deliver_domain; /* The local domain for delivery */
280extern uschar *deliver_domain_data; /* From domain lookup */
281extern uschar *deliver_domain_orig; /* The original local domain for delivery */
282extern uschar *deliver_domain_parent; /* The parent domain for delivery */
283extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
284extern BOOL deliver_firsttime; /* True for first delivery attempt */
285extern BOOL deliver_force; /* TRUE if delivery was forced */
286extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
287extern int deliver_frozen_at; /* Time of freezing */
288extern uschar *deliver_home; /* Home directory for pipes */
289extern uschar *deliver_host; /* (First) host for routed local deliveries */
290 /* Remote host for filter */
291extern uschar *deliver_host_address; /* Address for remote delivery filter */
292extern uschar *deliver_in_buffer; /* Buffer for copying file */
293extern ino_t deliver_inode; /* Inode for appendfile */
294extern uschar *deliver_localpart; /* The local part for delivery */
295extern uschar *deliver_localpart_data; /* From local part lookup */
296extern uschar *deliver_localpart_orig; /* The original local part for delivery */
297extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
298extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
299extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
300extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
301extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
302extern uschar *deliver_out_buffer; /* Buffer for copying file */
303extern int deliver_queue_load_max; /* Different value for queue running */
304extern address_item *deliver_recipients; /* Current set of addresses */
305extern uschar *deliver_selectstring; /* For selecting by recipient */
306extern BOOL deliver_selectstring_regex; /* String is regex */
307extern uschar *deliver_selectstring_sender; /* For selecting by sender */
308extern BOOL deliver_selectstring_sender_regex; /* String is regex */
8523533c
TK		 309#ifdef WITH_OLD_DEMIME
310extern int demime_errorlevel; /* Severity of MIME error */
311extern int demime_ok; /* Nonzero if message has been demimed */
312extern uschar *demime_reason; /* Reason for broken MIME container */
313#endif
4c590bd1 314extern BOOL disable_callout_flush; /* Don't flush before callouts */
047bdd8c 315extern BOOL disable_delay_flush; /* Don't flush before "delay" in ACL */
54fc8428
PH		 316#ifdef ENABLE_DISABLE_FSYNC
317extern BOOL disable_fsync; /* Not for normal use */
318#endif
7e66e54d 319extern BOOL disable_ipv6; /* Don't do any IPv6 things */
059ec3d9
PH		 320extern BOOL disable_logging; /* Disables log writing when TRUE */
321
80a47a2c 322#ifndef DISABLE_DKIM
2df588c9 323extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */
9e5d6b55 324extern uschar *dkim_signers; /* Expansion variable, holds colon-separated list of domains and identities that have signed a message */
80a47a2c
TK		 325extern uschar *dkim_signing_domain; /* Expansion variable, domain used for signing a message. */
326extern uschar *dkim_signing_selector; /* Expansion variable, selector used for signing a message. */
327extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */
328extern BOOL dkim_collect_input; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */
329extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */
f7572e5a
TK		 330#endif
331
059ec3d9 332extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
e5a9dba6
PH		 333extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */
334extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */
059ec3d9
PH		 335extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
336extern int dns_retrans; /* Retransmission time setting */
337extern int dns_retry; /* Number of retries */
1f4a55da 338extern int dns_use_dnssec; /* When constructing DNS query, set DO flag */
e97d1f08 339extern int dns_use_edns0; /* Coerce EDNS0 support on/off in resolver. */
059ec3d9 340extern uschar *dnslist_domain; /* DNS (black) list domain */
93655c46 341extern uschar *dnslist_matched; /* DNS (black) list matched key */
059ec3d9
PH		 342extern uschar *dnslist_text; /* DNS (black) list text message */
343extern uschar *dnslist_value; /* DNS (black) list IP address */
344extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
345extern int domainlist_count; /* Number defined */
346extern BOOL dont_deliver; /* TRUE for -N option */
347extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
348
349/* This option is now a no-opt, retained for compatibility */
350extern BOOL drop_cr; /* For broken local MUAs */
351
0e22dfd1
PH		 352extern uschar *dsn_from; /* From: string for DSNs */
353
059ec3d9
PH		 354extern BOOL enable_dollar_recipients; /* Make $recipients available */
355extern int envelope_to_remove; /* Remove envelope_to_headers */
356extern int errno_quota; /* Quota errno in this OS */
357extern int error_handling; /* Error handling style */
358extern uschar *errors_copy; /* For taking copies of errors */
359extern uschar *errors_reply_to; /* Reply-to for error messages */
360extern int errors_sender_rc; /* Return after message to sender*/
361extern gid_t exim_gid; /* To be used with exim_uid */
362extern BOOL exim_gid_set; /* TRUE if exim_gid set */
363extern uschar *exim_path; /* Path to exec exim */
98a90c36 364extern const uschar *exim_sieve_extension_list[]; /* list of sieve extensions */
059ec3d9
PH		 365extern uid_t exim_uid; /* Non-root uid for exim */
366extern BOOL exim_uid_set; /* TRUE if exim_uid set */
367extern int expand_forbid; /* RDO flags for forbidding things */
368extern int expand_nlength[]; /* Lengths of numbered strings */
369extern int expand_nmax; /* Max numerical value */
370extern uschar *expand_nstring[]; /* Numbered strings */
371extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
372extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
373extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
374
29aba418
TF		 375extern int fake_response; /* Fake FAIL or DEFER response to data */
376extern uschar *fake_response_text; /* User defined message for the above. Default is in globals.c. */
059ec3d9
PH		 377extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
378extern BOOL filter_running; /* TRUE while running a filter */
379extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
f05da2e8
PH		 380extern int filter_test; /* Filter test type */
381extern uschar *filter_test_sfile; /* System filter test file */
382extern uschar *filter_test_ufile; /* User filter test file */
059ec3d9
PH		 383extern uschar *filter_thisaddress; /* For address looping */
384extern int finduser_retries; /* Retry count for getpwnam() */
385extern uid_t fixed_never_users[]; /* Can't be overridden */
8523533c
TK		 386#ifdef WITH_OLD_DEMIME
387extern uschar *found_extension; /* demime acl condition: file extension found */
388#endif
059ec3d9 389extern uschar *freeze_tell; /* Message on (some) freezings */
6a3f1455 390extern uschar *freeze_tell_config; /* The configured setting */
059ec3d9
PH		 391extern uschar *fudged_queue_times; /* For use in test harness */
392
393extern uschar *gecos_name; /* To be expanded when pattern matches */
394extern uschar *gecos_pattern; /* Pattern to match */
395extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
396
397extern int header_insert_maxlen; /* Max for inserting headers */
398extern int header_maxsize; /* Max total length for header */
399extern int header_line_maxsize; /* Max for an individual line */
400extern header_name header_names[]; /* Table of header names */
401extern int header_names_size; /* Number of entries */
402extern BOOL header_rewritten; /* TRUE if header changed by router */
403extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
404extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
405extern uschar *helo_lookup_domains; /* If these given, lookup host name */
406extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
407extern BOOL helo_verified; /* True if HELO verified */
d7b47fd0 408extern BOOL helo_verify_failed; /* True if attempt failed */
059ec3d9 409extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
1ba28e2b 410extern const uschar *hex_digits; /* Used in several places */
059ec3d9
PH		 411extern uschar *hold_domains; /* Hold up deliveries to these */
412extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
413extern BOOL host_checking_callout; /* TRUE if real callout wanted */
414extern uschar *host_data; /* Obtained from lookup in ACL */
415extern uschar *host_lookup; /* For which IP addresses are always looked up */
b08b24c8 416extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
059ec3d9
PH		 417extern BOOL host_lookup_failed; /* TRUE if lookup failed */
418extern uschar *host_lookup_order; /* Order of host lookup types */
419extern uschar *host_lookup_msg; /* Text for why it failed */
420extern int host_number; /* For sharing spools */
421extern uschar *host_number_string; /* For expanding */
422extern uschar *host_reject_connection; /* Reject these hosts */
423extern tree_node *hostlist_anchor; /* Tree of defined host lists */
424extern int hostlist_count; /* Number defined */
425extern uschar *hosts_connection_nolog; /* Limits the logging option */
426extern uschar *hosts_treat_as_local; /* For routing */
427
428extern int ignore_bounce_errors_after; /* Keep them for this time. */
429extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
430extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
9ee44efb
PP		 431extern BOOL inetd_wait_mode; /* Whether running in inetd wait mode */
432extern int inetd_wait_timeout; /* Timeout for inetd wait mode */
059ec3d9 433extern BOOL is_inetd; /* True for inetd calls */
0ce9abe6 434extern uschar *iterate_item; /* Item from iterate list */
059ec3d9
PH		 435
436extern int journal_fd; /* Fd for journal file */
437
438extern int keep_malformed; /* Time to keep malformed messages */
439
440extern uschar *eldap_dn; /* Where LDAP DNs are left */
441extern int load_average; /* Most recently read load average */
442extern BOOL local_error_message; /* True if handling one of these */
69358f02 443extern BOOL local_from_check; /* For adding Sender: (global value) */
059ec3d9
PH		 444extern uschar *local_from_prefix; /* Permitted prefixes */
445extern uschar *local_from_suffix; /* Permitted suffixes */
446extern uschar *local_interfaces; /* For forcing specific interfaces */
447extern uschar *local_scan_data; /* Text returned by local_scan() */
448extern optionlist local_scan_options[];/* Option list for local_scan() */
449extern int local_scan_options_count; /* Size of the list */
450extern int local_scan_timeout; /* Timeout for local_scan() */
451extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
452extern gid_t local_user_gid; /* As it says; may be set in routers */
453extern uid_t local_user_uid; /* As it says; may be set in routers */
454extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
455extern int localpartlist_count; /* Number defined */
456extern uschar *log_buffer; /* For constructing log entries */
457extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
458extern uschar *log_file_path; /* If unset, use default */
459extern bit_table log_options[]; /* Table of options */
460extern int log_options_count; /* Size of table */
6ea85e9a 461extern int log_reject_target; /* Target log for ACL rejections */
059ec3d9
PH		 462extern uschar *log_selector_string; /* As supplied in the config */
463extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
464extern BOOL log_testing_mode; /* TRUE in various testing modes */
465extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
6ea85e9a 466extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
059ec3d9 467extern uschar *login_sender_address; /* The actual sender address */
e6d225ae 468extern lookup_info **lookup_list; /* Array of pointers to available lookups */
059ec3d9
PH		 469extern int lookup_list_count; /* Number of entries in the list */
470extern int lookup_open_max; /* Max lookup files to cache */
471extern uschar *lookup_value; /* Value looked up from file */
472
473extern macro_item *macros; /* Configuration macros */
474extern uschar *mailstore_basename; /* For mailstore deliveries */
8523533c
TK		 475#ifdef WITH_CONTENT_SCAN
476extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
477#endif
d677b2f2 478extern int max_received_linelength;/* What it says */
059ec3d9
PH		 479extern int max_username_length; /* For systems with broken getpwnam() */
480extern int message_age; /* In seconds */
481extern uschar *message_body; /* Start of message body for filter */
482extern uschar *message_body_end; /* End of message body for filter */
ddea74fa 483extern BOOL message_body_newlines; /* FALSE => remove newlines */
059ec3d9
PH		 484extern int message_body_size; /* Sic */
485extern int message_body_visible; /* Amount visible in message_body */
486extern int message_ended; /* State of message reading and how ended */
487extern uschar *message_headers; /* When built */
488extern uschar message_id_option[]; /* -E<message-id> for use as option */
489extern uschar *message_id_external; /* External form of following */
490extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
491extern uschar *message_id_text; /* Expanded to form message_id */
492extern struct timeval message_id_tv; /* Time used to create last message_id */
493extern int message_linecount; /* As it says */
494extern BOOL message_logs; /* TRUE to write message logs */
495extern int message_size; /* Size of message */
496extern uschar *message_size_limit; /* As it says */
497extern uschar message_subdir[]; /* Subdirectory for messages */
498extern uschar *message_reference; /* Reference for error messages */
8523533c
TK		 499
500/* MIME ACL expandables */
501#ifdef WITH_CONTENT_SCAN
502extern int mime_anomaly_level;
1ba28e2b 503extern const uschar *mime_anomaly_text;
8523533c
TK		 504extern uschar *mime_boundary;
505extern uschar *mime_charset;
506extern uschar *mime_content_description;
507extern uschar *mime_content_disposition;
508extern uschar *mime_content_id;
509extern unsigned int mime_content_size;
510extern uschar *mime_content_transfer_encoding;
511extern uschar *mime_content_type;
512extern uschar *mime_decoded_filename;
513extern uschar *mime_filename;
514extern int mime_is_multipart;
515extern int mime_is_coverletter;
516extern int mime_is_rfc822;
517extern int mime_part_count;
518#endif
519
059ec3d9
PH		 520extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
521
522extern uid_t *never_users; /* List of uids never to be used */
8523533c
TK		 523#ifdef WITH_CONTENT_SCAN
524extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
525#endif
059ec3d9
PH		 526extern BOOL no_multiline_responses; /* For broken clients */
527
528extern optionlist optionlist_auths[]; /* These option lists are made */
529extern int optionlist_auths_size; /* global so that readconf can */
530extern optionlist optionlist_routers[]; /* see them for printing out */
531extern int optionlist_routers_size; /* the options. */
532extern optionlist optionlist_transports[];
533extern int optionlist_transports_size;
534
535extern uid_t original_euid; /* Original effective uid */
536extern gid_t originator_gid; /* Gid of whoever wrote spool file */
537extern uschar *originator_login; /* Login of same */
538extern uschar *originator_name; /* Full name of same */
539extern uid_t originator_uid; /* Uid of ditto */
540extern uschar *override_local_interfaces; /* Value of -oX argument */
541extern uschar *override_pid_file_path; /* Value of -oP argument */
542
543extern BOOL parse_allow_group; /* Allow group syntax */
544extern BOOL parse_found_group; /* In the middle of a group */
545extern uschar *percent_hack_domains; /* Local domains for which '% operates */
546extern uschar *pid_file_path; /* For writing daemon pids */
547extern uschar *pipelining_advertise_hosts; /* As it says */
cf8b11a5 548extern BOOL pipelining_enable; /* As it says */
059ec3d9
PH		 549extern BOOL preserve_message_logs; /* Save msglog files */
550extern uschar *primary_hostname; /* Primary name of this computer */
551extern BOOL print_topbitchars; /* Topbit chars are printing chars */
552extern uschar process_info[]; /* For SIGUSR1 output */
921b12ca 553extern int process_info_len;
059ec3d9
PH		 554extern uschar *process_log_path; /* Alternate path */
555extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
fffda43a
TK		 556extern uschar *prvscheck_address; /* Set during prvscheck expansion item */
557extern uschar *prvscheck_keynum; /* Set during prvscheck expansion item */
558extern uschar *prvscheck_result; /* Set during prvscheck expansion item */
059ec3d9
PH		 559
560extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
561extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
562extern BOOL queue_2stage; /* Run queue in 2-stage manner */
563extern uschar *queue_domains; /* Queue these domains */
564extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
565extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
566extern BOOL queue_run_force; /* TRUE to force during queue run */
567extern BOOL queue_run_local; /* Local deliveries only in queue run */
568extern BOOL queue_running; /* TRUE for queue running process and */
569 /* immediate children */
570extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
571extern int queue_run_pipe; /* Pipe for synchronizing */
572extern int queue_interval; /* Queue running interval */
573extern BOOL queue_only; /* TRUE to disable immediate delivery */
574extern int queue_only_load; /* Max load before auto-queue */
8669f003 575extern BOOL queue_only_load_latch; /* Latch queue_only_load TRUE */
059ec3d9
PH		 576extern uschar *queue_only_file; /* Queue if file exists/not-exists */
577extern BOOL queue_only_override; /* Allow override from command line */
578extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
579extern BOOL queue_run_in_order; /* As opposed to random */
580extern int queue_run_max; /* Max queue runners */
581extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
582extern uschar *queue_smtp_domains; /* Ditto, for these domains */
583
584extern unsigned int random_seed; /* Seed for random numbers */
fe0dab11 585extern tree_node *ratelimiters_cmd; /* Results of command ratelimit checks */
870f6ba8
TF		 586extern tree_node *ratelimiters_conn; /* Results of connection ratelimit checks */
587extern tree_node *ratelimiters_mail; /* Results of per-mail ratelimit checks */
059ec3d9
PH		 588extern uschar *raw_active_hostname; /* Pre-expansion */
589extern uschar *raw_sender; /* Before rewriting */
590extern uschar **raw_recipients; /* Before rewriting */
591extern int raw_recipients_count;
592extern int rcpt_count; /* Count of RCPT commands in a message */
593extern int rcpt_fail_count; /* Those that got 5xx */
594extern int rcpt_defer_count; /* Those that got 4xx */
595extern gid_t real_gid; /* Real gid */
596extern uid_t real_uid; /* Real user running program */
597extern BOOL really_exim; /* FALSE in utilities */
598extern BOOL receive_call_bombout; /* Flag for crashing log */
599extern int receive_linecount; /* Mainly for BSMTP errors */
600extern int receive_messagecount; /* Mainly for BSMTP errors */
601extern int receive_timeout; /* For non-SMTP acceptance */
602extern int received_count; /* Count of Received: headers */
603extern uschar *received_for; /* For "for" field */
604extern uschar *received_header_text; /* Definition of Received: header */
605extern int received_headers_max; /* Max count of Received: headers */
606extern int received_time; /* Time the message was received */
607extern uschar *recipient_data; /* lookup data for recipients */
608extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
2c7db3f5 609extern uschar *recipient_verify_failure; /* What went wrong */
059ec3d9
PH		 610extern BOOL recipients_discarded; /* By an ACL */
611extern int recipients_list_max; /* Maximum number fitting in list */
612extern int recipients_max; /* Max permitted */
613extern int recipients_max_reject; /* If TRUE, reject whole message */
614extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
615extern const pcre *regex_check_dns_names; /* For DNS name checking */
616extern const pcre *regex_From; /* For recognizing "From_" lines */
f1513293 617extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
059ec3d9
PH		 618extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
619extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
a5bd321b 620extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */
059ec3d9 621extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
a7cbbf50
PP		 622#ifdef WHITELIST_D_MACROS
623extern const pcre *regex_whitelisted_macro; /* For -D macro values */
624#endif
8523533c
TK		 625#ifdef WITH_CONTENT_SCAN
626extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
627#endif
059ec3d9
PH		 628extern int remote_delivery_count; /* Number of remote addresses */
629extern int remote_max_parallel; /* Maximum parallel delivery */
630extern uschar *remote_sort_domains; /* Remote domain sorting order */
631extern retry_config *retries; /* Chain of retry config information */
632extern int retry_data_expire; /* When to expire retry data */
633extern int retry_interval_max; /* Absolute maximum */
634extern int retry_maximum_timeout; /* The maximum timeout */
635extern uschar *return_path; /* Return path for a message */
636extern BOOL return_path_remove; /* Remove return-path headers */
637extern int rewrite_existflags; /* Indicate which headers have rewrites */
638extern uschar *rfc1413_hosts; /* RFC hosts */
639extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
640/* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
c1d94452 641extern uid_t root_gid; /* The gid for root */
059ec3d9
PH		 642extern uid_t root_uid; /* The uid for root */
643extern router_info routers_available[];/* Vector of available routers */
644extern router_instance *routers; /* Chain of instantiated routers */
645extern router_instance router_defaults;/* Default values */
646extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
647extern ip_address_item *running_interfaces; /* Host's running interfaces */
648extern uschar *running_status; /* Flag string for testing */
649extern int runrc; /* rc from ${run} */
650
651extern uschar *search_error_message; /* Details of lookup problem */
652extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
653extern uschar *self_hostname; /* Self host after routing->directors */
654extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
2a3eea10 655extern uschar *sender_address_data; /* address_data from sender verify */
059ec3d9
PH		 656extern BOOL sender_address_forced; /* Set by -f */
657extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
658extern uschar *sender_data; /* lookup result for senders */
659extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
660extern uschar *sender_fullhost; /* Sender host name + address */
661extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
662extern uschar **sender_host_aliases; /* Points to list of alias names */
663extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
1f4a55da 664extern BOOL sender_host_dnssec; /* true if sender_host_name verified in DNSSEC */
059ec3d9
PH		 665extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
666extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
667extern uschar *sender_ident; /* Sender identity via RFC 1413 */
668extern BOOL sender_local; /* TRUE for local senders */
2fe1a124 669extern BOOL sender_name_forced; /* Set by -F */
870f6ba8
TF		 670extern uschar *sender_rate; /* Sender rate computed by ACL */
671extern uschar *sender_rate_limit; /* Configured rate limit */
672extern uschar *sender_rate_period; /* Configured smoothing period */
059ec3d9
PH		 673extern uschar *sender_rcvhost; /* Host data for Received: */
674extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
675extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
2c7db3f5 676extern uschar *sender_verify_failure; /* What went wrong */
059ec3d9
PH		 677extern address_item *sender_verified_list; /* Saved chain of sender verifies */
678extern address_item *sender_verified_failed; /* The one that caused denial */
41c7c167
PH		 679extern uschar *sending_ip_address; /* Address of outgoing (SMTP) interface */
680extern int sending_port; /* Port of outgoing interface */
cd59ab18 681extern SIGNAL_BOOL sigalrm_seen; /* Flag for sigalrm_handler */
059ec3d9
PH		 682extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
683extern int smtp_accept_count; /* Count of connections */
684extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
685extern int smtp_accept_max; /* Max SMTP connections */
686extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
687extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
688extern int smtp_accept_max_per_connection; /* Max msgs per connection */
689extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
690extern int smtp_accept_queue; /* Queue after so many connections */
691extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
692extern int smtp_accept_reserve; /* Reserve these SMTP connections */
693extern uschar *smtp_active_hostname; /* Hostname for this message */
694extern BOOL smtp_authenticated; /* Sending client has authenticated */
695extern uschar *smtp_banner; /* Banner string (to be expanded) */
696extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
b4ed4da0 697extern int smtp_ch_index; /* Index in smtp_connection_had */
3ee512ff
PH		 698extern uschar *smtp_cmd_argument; /* For all SMTP commands */
699extern uschar *smtp_cmd_buffer; /* SMTP command buffer */
b4ed4da0
PH		 700extern time_t smtp_connection_start; /* Start time of SMTP connection */
701extern uschar smtp_connection_had[]; /* Recent SMTP commands */
059ec3d9
PH		 702extern int smtp_connect_backlog; /* Max backlog permitted */
703extern double smtp_delay_mail; /* Current MAIL delay */
704extern double smtp_delay_rcpt; /* Current RCPT delay */
705extern BOOL smtp_enforce_sync; /* Enforce sync rules */
706extern uschar *smtp_etrn_command; /* Command to run */
707extern BOOL smtp_etrn_serialize; /* Only one at once */
708extern FILE *smtp_in; /* Incoming SMTP input file */
709extern int smtp_load_reserve; /* Only from reserved if load > this */
710extern int smtp_mailcmd_count; /* Count of MAIL commands */
711extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
712extern int smtp_max_unknown_commands; /* As it says */
8f128379 713extern uschar *smtp_notquit_reason; /* Global for disconnect reason */
059ec3d9
PH		 714extern FILE *smtp_out; /* Incoming SMTP output file */
715extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
716extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
717extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
718extern uschar *smtp_read_error; /* Message for SMTP input error */
719extern int smtp_receive_timeout; /* Applies to each received line */
720extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
721extern BOOL smtp_return_error_details; /* TRUE to return full info */
722extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
723extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
724extern int smtp_rlm_limit; /* Max delay */
725extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
726extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
727extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
728extern int smtp_rlr_limit; /* Max delay */
729extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
730extern BOOL smtp_use_pipelining; /* Global for passed connections */
731extern BOOL smtp_use_size; /* Global for passed connections */
8523533c
TK		 732
733#ifdef WITH_CONTENT_SCAN
734extern uschar *spamd_address; /* address for the spamassassin daemon */
735extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
736extern uschar *spam_report; /* the spamd report (multiline) */
737extern uschar *spam_score; /* the spam score (float) */
738extern uschar *spam_score_int; /* spam_score * 10 (int) */
739#endif
740#ifdef EXPERIMENTAL_SPF
65a7d8c3 741extern uschar *spf_guess; /* spf best-guess record */
8523533c 742extern uschar *spf_header_comment; /* spf header comment */
8fe685ad 743extern uschar *spf_received; /* Received-SPF: header */
8523533c
TK		 744extern uschar *spf_result; /* spf result in string form */
745extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
746#endif
059ec3d9
PH		 747extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
748extern uschar *spool_directory; /* Name of spool directory */
8523533c
TK		 749#ifdef EXPERIMENTAL_SRS
750extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
751extern uschar *srs_db_address; /* SRS db address */
752extern uschar *srs_db_key; /* SRS db key */
384152a6
TK		 753extern int srs_hashlength; /* SRS hash length */
754extern int srs_hashmin; /* SRS minimum hash length */
755extern int srs_maxage; /* SRS max age */
8523533c
TK		 756extern uschar *srs_orig_sender; /* SRS original sender */
757extern uschar *srs_orig_recipient; /* SRS original recipient */
758extern uschar *srs_recipient; /* SRS recipient */
384152a6 759extern uschar *srs_secrets; /* SRS secrets list */
8523533c 760extern uschar *srs_status; /* SRS staus */
384152a6
TK		 761extern BOOL srs_usehash; /* SRS use hash flag */
762extern BOOL srs_usetimestamp; /* SRS use timestamp flag */
8523533c 763#endif
38a0a95f 764extern BOOL strict_acl_vars; /* ACL variables have to be set before being used */
059ec3d9 765extern int string_datestamp_offset;/* After insertion by string_format */
f1e5fef5
PP		 766extern int string_datestamp_length;/* After insertion by string_format */
767extern int string_datestamp_type; /* After insertion by string_format */
059ec3d9
PH		 768extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
769extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
770extern uschar *submission_domain; /* Domain for submission mode */
771extern BOOL submission_mode; /* Can be forced from ACL */
2fe1a124 772extern uschar *submission_name; /* User name set from ACL */
8800895a 773extern BOOL suppress_local_fixups; /* Can be forced from ACL */
f4ee74ac 774extern BOOL suppress_local_fixups_default; /* former is reset to this; override with -G */
059ec3d9
PH		 775extern BOOL synchronous_delivery; /* TRUE if -odi is set */
776extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
777extern int syslog_facility; /* As defined by Syslog.h */
778extern uschar *syslog_processname; /* 'ident' param to openlog() */
779extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
780extern uschar *system_filter; /* Name of system filter file */
781
782extern uschar *system_filter_directory_transport; /* Transports for the */
783extern uschar *system_filter_file_transport; /* system filter */
784extern uschar *system_filter_pipe_transport;
785extern uschar *system_filter_reply_transport;
786
787extern gid_t system_filter_gid; /* Gid for running system filter */
788extern BOOL system_filter_gid_set; /* TRUE if gid set */
789extern uid_t system_filter_uid; /* Uid for running system filter */
790extern BOOL system_filter_uid_set; /* TRUE if uid set */
791extern BOOL system_filtering; /* TRUE when running system filter */
792
793extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
5dc43717
JJ		 794#ifdef USE_TCP_WRAPPERS
795extern uschar *tcp_wrappers_daemon_name; /* tcpwrappers daemon lookup name */
796#endif
8669f003 797extern int test_harness_load_avg; /* For use when testing */
059ec3d9
PH		 798extern int thismessage_size_limit; /* Limit for this message */
799extern int timeout_frozen_after; /* Max time to keep frozen messages */
800extern BOOL timestamps_utc; /* Use UTC for all times */
801extern int transport_count; /* Count of bytes transported */
332f5cf3 802extern int transport_newlines; /* Accurate count of number of newline chars transported */
059ec3d9
PH		 803extern uschar **transport_filter_argv; /* For on-the-fly filtering */
804extern int transport_filter_timeout; /* Timeout for same */
2e2a30b4 805extern BOOL transport_filter_timed_out; /* True if it did */
059ec3d9
PH		 806
807extern transport_info transports_available[]; /* Vector of available transports */
808extern transport_instance *transports; /* Chain of instantiated transports */
809extern transport_instance transport_defaults; /* Default values */
810
811extern int transport_write_timeout;/* Set to time out individual writes */
812
813extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
814extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
815extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
816extern tree_node *tree_unusable; /* Tree of unusable addresses */
817
818extern BOOL trusted_caller; /* Caller is trusted */
e2f5dc15 819extern BOOL trusted_config; /* Configuration file is trusted */
059ec3d9
PH		 820extern gid_t *trusted_groups; /* List of trusted groups */
821extern uid_t *trusted_users; /* List of trusted users */
822extern uschar *timezone_string; /* Required timezone setting */
823
824extern uschar *unknown_login; /* To use when login id unknown */
825extern uschar *unknown_username; /* Ditto */
826extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
827extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
828extern uschar *uucp_from_sender; /* For building the sender */
829
830extern uschar *warn_message_file; /* Template for warning messages */
831extern uschar *warnmsg_delay; /* String form of delay time */
832extern uschar *warnmsg_recipients; /* Recipients of warning message */
833extern BOOL write_rejectlog; /* Control of reject logging */
834
835extern uschar *version_copyright; /* Copyright notice */
836extern uschar *version_date; /* Date of compilation */
837extern uschar *version_cnumber; /* Compile number */
838extern uschar *version_string; /* Version string */
839
840extern int warning_count; /* Delay warnings sent for this msg */
841
842/* End of globals.h */
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