1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2012 */
6 /* See the file NOTICE for conditions of use and distribution. */
8 /* Almost all the global variables are defined together in this one header, so
9 that they are easy to find. However, those that are visible during the
10 compilation of the local_scan() function are defined separately in the
11 local_scan.h header file. */
13 /* First put any specials that are required for some operating systems. */
19 /* We need to be careful about width of int and atomicity in signal handlers,
20 especially with the rise of 64-bit systems breaking older assumptions. But
21 sig_atomic_t comes from signal.h so can't go into mytypes.h without including
22 signal support in local_scan, which seems precipitous. */
23 typedef volatile sig_atomic_t SIGNAL_BOOL
;
25 /* Now things that are present only when configured. */
28 extern uschar
*opt_perl_startup
; /* Startup code for Perl interpreter */
29 extern BOOL opt_perl_at_start
; /* Start Perl interpreter at start */
30 extern BOOL opt_perl_started
; /* Set once interpreter started */
34 extern tree_node
*dlobj_anchor
; /* Tree of dynamically-loaded objects */
38 extern uschar
*ibase_servers
;
42 extern uschar
*eldap_ca_cert_dir
; /* Directory with CA certificates */
43 extern uschar
*eldap_ca_cert_file
; /* CA certificate file */
44 extern uschar
*eldap_cert_file
; /* Certificate file */
45 extern uschar
*eldap_cert_key
; /* Certificate key file */
46 extern uschar
*eldap_cipher_suite
; /* Allowed cipher suite */
47 extern uschar
*eldap_default_servers
; /* List of default servers */
48 extern uschar
*eldap_require_cert
; /* Peer certificate checking strategy */
49 extern BOOL eldap_start_tls
; /* Use STARTTLS */
50 extern int eldap_version
; /* LDAP version */
54 extern uschar
*mysql_servers
; /* List of servers and connect info */
58 extern uschar
*oracle_servers
; /* List of servers and connect info */
62 extern uschar
*pgsql_servers
; /* List of servers and connect info */
66 extern int sqlite_lock_timeout
; /* Internal lock waiting timeout */
69 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
70 extern BOOL move_frozen_messages
; /* Get them out of the normal directory */
73 /* These variables are outside the #ifdef because it keeps the code less
74 cluttered in several places (e.g. during logging) if we can always refer to
75 them. Also, the tls_ variables are now always visible. */
78 int active
; /* fd/socket when in a TLS session */
79 int bits
; /* bits used in TLS session */
80 BOOL certificate_verified
; /* Client certificate verified */
81 uschar
*cipher
; /* Cipher used */
82 BOOL on_connect
; /* For older MTAs that don't STARTTLS */
83 uschar
*on_connect_ports
; /* Ports always tls-on-connect */
84 uschar
*peerdn
; /* DN from peer */
85 uschar
*sni
; /* Server Name Indication */
87 extern tls_support tls_in
;
88 extern tls_support tls_out
;
91 extern BOOL gnutls_compat_mode
; /* Less security, more compatibility */
92 extern BOOL gnutls_enable_pkcs11
; /* Let GnuTLS autoload PKCS11 modules */
93 extern uschar
*gnutls_require_mac
; /* So some can be avoided */
94 extern uschar
*gnutls_require_kx
; /* So some can be avoided */
95 extern uschar
*gnutls_require_proto
; /* So some can be avoided */
96 extern uschar
*openssl_options
; /* OpenSSL compatibility options */
97 extern const pcre
*regex_STARTTLS
; /* For recognizing STARTTLS settings */
98 extern uschar
*tls_advertise_hosts
; /* host for which TLS is advertised */
99 extern uschar
*tls_certificate
; /* Certificate file */
100 extern uschar
*tls_channelbinding_b64
; /* string of base64 channel binding */
101 extern uschar
*tls_crl
; /* CRL File */
102 extern int tls_dh_max_bits
; /* don't accept higher lib suggestions */
103 extern uschar
*tls_dhparam
; /* DH param file */
104 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
105 extern uschar
*tls_ocsp_file
; /* OCSP stapling proof file */
107 extern BOOL tls_offered
; /* Server offered TLS */
108 extern uschar
*tls_privatekey
; /* Private key file */
109 extern BOOL tls_remember_esmtp
; /* For YAEB */
110 extern uschar
*tls_require_ciphers
; /* So some can be avoided */
111 extern uschar
*tls_try_verify_hosts
; /* Optional client verification */
112 extern uschar
*tls_verify_certificates
;/* Path for certificates to check */
113 extern uschar
*tls_verify_hosts
; /* Mandatory client verification */
117 /* Input-reading functions for messages, so we can use special ones for
120 extern int (*receive_getc
)(void);
121 extern int (*receive_ungetc
)(int);
122 extern int (*receive_feof
)(void);
123 extern int (*receive_ferror
)(void);
124 extern BOOL (*receive_smtp_buffered
)(void);
127 /* For clearing, saving, restoring address expansion variables. We have to have
128 the size of this vector set explicitly, because it is referenced from more than
131 extern uschar
**address_expansions
[ADDRESS_EXPANSIONS_COUNT
];
133 /* General global variables */
135 extern BOOL accept_8bitmime
; /* Allow *BITMIME incoming */
136 extern int body_8bitmime
; /* sender declared BODY= ; 7=7BIT, 8=8BITMIME */
137 extern header_line
*acl_added_headers
; /* Headers added by an ACL */
138 extern tree_node
*acl_anchor
; /* Tree of named ACLs */
139 extern uschar
*acl_arg
[9]; /* Argument to ACL call */
140 extern int acl_narg
; /* Number of arguments to ACL call */
141 extern uschar
*acl_not_smtp
; /* ACL run for non-SMTP messages */
142 #ifdef WITH_CONTENT_SCAN
143 extern uschar
*acl_not_smtp_mime
; /* For MIME parts of ditto */
145 extern uschar
*acl_not_smtp_start
; /* ACL run at the beginning of a non-SMTP session */
146 extern uschar
*acl_removed_headers
; /* Headers deleted by an ACL */
147 extern uschar
*acl_smtp_auth
; /* ACL run for AUTH */
148 extern uschar
*acl_smtp_connect
; /* ACL run on SMTP connection */
149 extern uschar
*acl_smtp_data
; /* ACL run after DATA received */
150 #ifdef EXPERIMENTAL_PRDR
151 extern uschar
*acl_smtp_data_prdr
; /* ACL run after DATA received if in PRDR mode*/
152 const extern pcre
*regex_PRDR
; /* For recognizing PRDR settings */
155 extern uschar
*acl_smtp_dkim
; /* ACL run for DKIM signatures / domains */
157 extern uschar
*acl_smtp_etrn
; /* ACL run for ETRN */
158 extern uschar
*acl_smtp_expn
; /* ACL run for EXPN */
159 extern uschar
*acl_smtp_helo
; /* ACL run for HELO/EHLO */
160 extern uschar
*acl_smtp_mail
; /* ACL run for MAIL */
161 extern uschar
*acl_smtp_mailauth
; /* ACL run for MAIL AUTH */
162 #ifdef WITH_CONTENT_SCAN
163 extern uschar
*acl_smtp_mime
; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
165 extern uschar
*acl_smtp_notquit
; /* ACL run for disconnects */
166 extern uschar
*acl_smtp_predata
; /* ACL run for DATA command */
167 extern uschar
*acl_smtp_quit
; /* ACL run for QUIT */
168 extern uschar
*acl_smtp_rcpt
; /* ACL run for RCPT */
169 extern uschar
*acl_smtp_starttls
; /* ACL run for STARTTLS */
170 extern uschar
*acl_smtp_vrfy
; /* ACL run for VRFY */
171 extern BOOL acl_temp_details
; /* TRUE to give details for 4xx error */
172 extern tree_node
*acl_var_c
; /* ACL connection variables */
173 extern tree_node
*acl_var_m
; /* ACL messsage variables */
174 extern uschar
*acl_verify_message
; /* User message for verify failure */
175 extern string_item
*acl_warn_logged
; /* Logged lines */
176 extern uschar
*acl_wherecodes
[]; /* Response codes for ACL fails */
177 extern uschar
*acl_wherenames
[]; /* Names for messages */
178 extern BOOL active_local_from_check
;/* For adding Sender: (switchable) */
179 extern BOOL active_local_sender_retain
; /* For keeping Sender: (switchable) */
180 extern address_item
*addr_duplicate
; /* Duplicate address list */
181 extern address_item address_defaults
; /* Default data for address item */
182 extern uschar
*address_file
; /* Name of file when delivering to one */
183 extern uschar
*address_pipe
; /* Pipe command when delivering to one */
184 extern BOOL address_test_mode
; /* True for -bt */
185 extern tree_node
*addresslist_anchor
; /* Tree of defined address lists */
186 extern int addresslist_count
; /* Number defined */
187 extern gid_t
*admin_groups
; /* List of admin groups */
188 extern BOOL admin_user
; /* True if caller can do admin */
189 extern BOOL allow_auth_unadvertised
;/* As it says */
190 extern BOOL allow_domain_literals
; /* As it says */
191 extern BOOL allow_mx_to_ip
; /* Allow MX records to -> ip address */
192 extern BOOL allow_unqualified_recipient
; /* As it says */
193 extern BOOL allow_unqualified_sender
; /* Ditto */
194 extern BOOL allow_utf8_domains
; /* For experimenting */
195 extern uschar
*authenticated_fail_id
; /* ID that failed authentication */
196 extern uschar
*authenticated_id
; /* ID that was authenticated */
197 extern uschar
*authenticated_sender
; /* From AUTH on MAIL */
198 extern BOOL authentication_failed
; /* TRUE if AUTH was tried and failed */
199 extern uschar
*auth_advertise_hosts
; /* Only advertise to these */
200 extern auth_info auths_available
[]; /* Vector of available auth mechanisms */
201 extern auth_instance
*auths
; /* Chain of instantiated auths */
202 extern auth_instance auth_defaults
; /* Default values */
203 extern uschar
*auth_defer_msg
; /* Error message for log */
204 extern uschar
*auth_defer_user_msg
; /* Error message for user */
205 extern uschar
*auth_vars
[]; /* $authn variables */
206 extern int auto_thaw
; /* Auto-thaw interval */
207 #ifdef WITH_CONTENT_SCAN
208 extern BOOL av_failed
; /* TRUE if the AV process failed */
209 extern uschar
*av_scanner
; /* AntiVirus scanner to use for the malware condition */
212 extern BOOL background_daemon
; /* Set FALSE to keep in foreground */
213 extern uschar
*base62_chars
; /* Table of base-62 characters */
214 extern uschar
*bi_command
; /* Command for -bi option */
215 extern uschar
*big_buffer
; /* Used for various temp things */
216 extern int big_buffer_size
; /* Current size (can expand) */
217 #ifdef EXPERIMENTAL_BRIGHTMAIL
218 extern uschar
*bmi_alt_location
; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
219 extern uschar
*bmi_base64_tracker_verdict
; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
220 extern uschar
*bmi_base64_verdict
; /* expansion variable with base-64 encoded verdict string (available during routing) */
221 extern uschar
*bmi_config_file
; /* Brightmail config file */
222 extern int bmi_deliver
; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
223 extern int bmi_run
; /* Flag that determines if message should be run through Brightmail server */
224 extern uschar
*bmi_verdicts
; /* BASE64-encoded verdicts with recipient lists */
226 extern uschar
*bounce_message_file
; /* Template file */
227 extern uschar
*bounce_message_text
; /* One-liner */
228 extern uschar
*bounce_recipient
; /* When writing an errmsg */
229 extern BOOL bounce_return_body
; /* Include body in returned message */
230 extern BOOL bounce_return_message
; /* Include message in bounce */
231 extern int bounce_return_size_limit
; /* Max amount to return */
232 extern uschar
*bounce_sender_authentication
; /* AUTH address for bounces */
233 extern int bsmtp_transaction_linecount
; /* Start of last transaction */
235 extern int callout_cache_domain_positive_expire
; /* Time for positive domain callout cache records to expire */
236 extern int callout_cache_domain_negative_expire
; /* Time for negative domain callout cache records to expire */
237 extern int callout_cache_positive_expire
; /* Time for positive callout cache records to expire */
238 extern int callout_cache_negative_expire
; /* Time for negative callout cache records to expire */
239 extern uschar
*callout_random_local_part
; /* Local part to be used to check if server called will accept any local part */
240 extern uschar
*check_dns_names_pattern
;/* Regex for syntax check */
241 extern int check_log_inodes
; /* Minimum for message acceptance */
242 extern int check_log_space
; /* Minimum for message acceptance */
243 extern BOOL check_rfc2047_length
; /* Check RFC 2047 encoded string length */
244 extern int check_spool_inodes
; /* Minimum for message acceptance */
245 extern int check_spool_space
; /* Minimum for message acceptance */
246 extern uschar
*client_authenticator
; /* Authenticator name used for smtp delivery */
247 extern uschar
*client_authenticated_id
; /* "login" name used for SMTP AUTH */
248 extern uschar
*client_authenticated_sender
; /* AUTH option to SMTP MAIL FROM (not yet used) */
249 extern int clmacro_count
; /* Number of command line macros */
250 extern uschar
*clmacros
[]; /* Copy of them, for re-exec */
251 extern int connection_max_messages
;/* Max down one SMTP connection */
252 extern BOOL config_changed
; /* True if -C used */
253 extern FILE *config_file
; /* Configuration file */
254 extern uschar
*config_filename
; /* Configuration file name */
255 #ifdef CONFIGURE_GROUP
256 extern gid_t config_gid
; /* Additional group owner */
258 extern int config_lineno
; /* Line number */
259 extern uschar
*config_main_filelist
; /* List of possible config files */
260 extern uschar
*config_main_filename
; /* File name actually used */
261 #ifdef CONFIGURE_OWNER
262 extern uid_t config_uid
; /* Additional owner */
264 extern uschar
*continue_hostname
; /* Host for continued delivery */
265 extern uschar
*continue_host_address
; /* IP address for ditto */
266 extern BOOL continue_more
; /* Flag more addresses waiting */
267 extern int continue_sequence
; /* Sequence num for continued delivery */
268 extern uschar
*continue_transport
; /* Transport for continued delivery */
270 extern uschar
*csa_status
; /* Client SMTP Authorization result */
271 extern BOOL cutthrough_delivery
; /* Deliver in foreground */
272 extern int cutthrough_fd
; /* Connection for ditto */
274 extern BOOL daemon_listen
; /* True if listening required */
275 extern uschar
*daemon_smtp_port
; /* Can be a list of ports */
276 extern int daemon_startup_retries
; /* Number of times to retry */
277 extern int daemon_startup_sleep
; /* Sleep between retries */
279 #ifdef EXPERIMENTAL_DCC
280 extern BOOL dcc_direct_add_header
; /* directly add header */
281 extern uschar
*dcc_header
; /* dcc header */
282 extern uschar
*dcc_result
; /* dcc result */
283 extern uschar
*dccifd_address
; /* address of the dccifd daemon */
284 extern uschar
*dccifd_options
; /* options for the dccifd daemon */
287 extern BOOL debug_daemon
; /* Debug the daemon process only */
288 extern int debug_fd
; /* The fd for debug_file */
289 extern FILE *debug_file
; /* Where to write debugging info */
290 extern bit_table debug_options
[]; /* Table of debug options */
291 extern int debug_options_count
; /* Size of table */
292 extern int delay_warning
[]; /* Times between warnings */
293 extern uschar
*delay_warning_condition
; /* Condition string for warnings */
294 extern BOOL delivery_date_remove
; /* Remove delivery-date headers */
296 extern uschar
*deliver_address_data
; /* Arbitrary data for an address */
297 extern int deliver_datafile
; /* FD for data part of message */
298 extern uschar
*deliver_domain
; /* The local domain for delivery */
299 extern uschar
*deliver_domain_data
; /* From domain lookup */
300 extern uschar
*deliver_domain_orig
; /* The original local domain for delivery */
301 extern uschar
*deliver_domain_parent
; /* The parent domain for delivery */
302 extern BOOL deliver_drop_privilege
; /* TRUE for unprivileged delivery */
303 extern BOOL deliver_firsttime
; /* True for first delivery attempt */
304 extern BOOL deliver_force
; /* TRUE if delivery was forced */
305 extern BOOL deliver_freeze
; /* TRUE if delivery is frozen */
306 extern int deliver_frozen_at
; /* Time of freezing */
307 extern uschar
*deliver_home
; /* Home directory for pipes */
308 extern uschar
*deliver_host
; /* (First) host for routed local deliveries */
309 /* Remote host for filter */
310 extern uschar
*deliver_host_address
; /* Address for remote delivery filter */
311 extern uschar
*deliver_in_buffer
; /* Buffer for copying file */
312 extern ino_t deliver_inode
; /* Inode for appendfile */
313 extern uschar
*deliver_localpart
; /* The local part for delivery */
314 extern uschar
*deliver_localpart_data
; /* From local part lookup */
315 extern uschar
*deliver_localpart_orig
; /* The original local part for delivery */
316 extern uschar
*deliver_localpart_parent
; /* The parent local part for delivery */
317 extern uschar
*deliver_localpart_prefix
; /* The stripped prefix, if any */
318 extern uschar
*deliver_localpart_suffix
; /* The stripped suffix, if any */
319 extern BOOL deliver_force_thaw
; /* TRUE to force thaw in queue run */
320 extern BOOL deliver_manual_thaw
; /* TRUE if manually thawed */
321 extern uschar
*deliver_out_buffer
; /* Buffer for copying file */
322 extern int deliver_queue_load_max
; /* Different value for queue running */
323 extern address_item
*deliver_recipients
; /* Current set of addresses */
324 extern uschar
*deliver_selectstring
; /* For selecting by recipient */
325 extern BOOL deliver_selectstring_regex
; /* String is regex */
326 extern uschar
*deliver_selectstring_sender
; /* For selecting by sender */
327 extern BOOL deliver_selectstring_sender_regex
; /* String is regex */
328 #ifdef WITH_OLD_DEMIME
329 extern int demime_errorlevel
; /* Severity of MIME error */
330 extern int demime_ok
; /* Nonzero if message has been demimed */
331 extern uschar
*demime_reason
; /* Reason for broken MIME container */
333 extern BOOL disable_callout_flush
; /* Don't flush before callouts */
334 extern BOOL disable_delay_flush
; /* Don't flush before "delay" in ACL */
335 #ifdef ENABLE_DISABLE_FSYNC
336 extern BOOL disable_fsync
; /* Not for normal use */
338 extern BOOL disable_ipv6
; /* Don't do any IPv6 things */
339 extern BOOL disable_logging
; /* Disables log writing when TRUE */
342 extern uschar
*dkim_cur_signer
; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */
343 extern uschar
*dkim_signers
; /* Expansion variable, holds colon-separated list of domains and identities that have signed a message */
344 extern uschar
*dkim_signing_domain
; /* Expansion variable, domain used for signing a message. */
345 extern uschar
*dkim_signing_selector
; /* Expansion variable, selector used for signing a message. */
346 extern uschar
*dkim_verify_signers
; /* Colon-separated list of domains for each of which we call the DKIM ACL */
347 extern BOOL dkim_collect_input
; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */
348 extern BOOL dkim_disable_verify
; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */
350 #ifdef EXPERIMENTAL_DMARC
351 extern BOOL dmarc_has_been_checked
; /* Global variable to check if test has been called yet */
352 extern uschar
*dmarc_ar_header
; /* Expansion variable, suggested header for dmarc auth results */
353 extern uschar
*dmarc_forensic_sender
; /* Set sender address for forensic reports */
354 extern uschar
*dmarc_history_file
; /* Expansion variable, file to store dmarc results */
355 extern uschar
*dmarc_status
; /* Expansion variable, one word value */
356 extern uschar
*dmarc_status_text
; /* Expansion variable, human readable value */
357 extern uschar
*dmarc_tld_file
; /* Mozilla TLDs text file */
358 extern uschar
*dmarc_used_domain
; /* Expansion variable, domain libopendmarc chose for DMARC policy lookup */
359 extern BOOL dmarc_disable_verify
; /* Set via ACL control statement. When set, DMARC verification is disabled for the current message */
360 extern BOOL dmarc_enable_forensic
; /* Set via ACL control statement. When set, DMARC forensic reports are enabled for the current message */
363 extern uschar
*dns_again_means_nonexist
; /* Domains that are badly set up */
364 extern int dns_csa_search_limit
; /* How deep to search for CSA SRV records */
365 extern BOOL dns_csa_use_reverse
; /* Check CSA in reverse DNS? (non-standard) */
366 extern uschar
*dns_ipv4_lookup
; /* For these domains, don't look for AAAA (or A6) */
367 extern int dns_retrans
; /* Retransmission time setting */
368 extern int dns_retry
; /* Number of retries */
369 extern int dns_dnssec_ok
; /* When constructing DNS query, set DO flag */
370 extern int dns_use_edns0
; /* Coerce EDNS0 support on/off in resolver. */
371 extern uschar
*dnslist_domain
; /* DNS (black) list domain */
372 extern uschar
*dnslist_matched
; /* DNS (black) list matched key */
373 extern uschar
*dnslist_text
; /* DNS (black) list text message */
374 extern uschar
*dnslist_value
; /* DNS (black) list IP address */
375 extern tree_node
*domainlist_anchor
; /* Tree of defined domain lists */
376 extern int domainlist_count
; /* Number defined */
377 extern BOOL dont_deliver
; /* TRUE for -N option */
378 extern BOOL dot_ends
; /* TRUE if "." ends non-SMTP input */
380 /* This option is now a no-opt, retained for compatibility */
381 extern BOOL drop_cr
; /* For broken local MUAs */
383 extern uschar
*dsn_from
; /* From: string for DSNs */
385 extern BOOL enable_dollar_recipients
; /* Make $recipients available */
386 extern int envelope_to_remove
; /* Remove envelope_to_headers */
387 extern int errno_quota
; /* Quota errno in this OS */
388 extern int error_handling
; /* Error handling style */
389 extern uschar
*errors_copy
; /* For taking copies of errors */
390 extern uschar
*errors_reply_to
; /* Reply-to for error messages */
391 extern int errors_sender_rc
; /* Return after message to sender*/
392 extern gid_t exim_gid
; /* To be used with exim_uid */
393 extern BOOL exim_gid_set
; /* TRUE if exim_gid set */
394 extern uschar
*exim_path
; /* Path to exec exim */
395 extern const uschar
*exim_sieve_extension_list
[]; /* list of sieve extensions */
396 extern uid_t exim_uid
; /* Non-root uid for exim */
397 extern BOOL exim_uid_set
; /* TRUE if exim_uid set */
398 extern int expand_forbid
; /* RDO flags for forbidding things */
399 extern int expand_nlength
[]; /* Lengths of numbered strings */
400 extern int expand_nmax
; /* Max numerical value */
401 extern uschar
*expand_nstring
[]; /* Numbered strings */
402 extern BOOL expand_string_forcedfail
; /* TRUE if failure was "expected" */
403 extern BOOL extract_addresses_remove_arguments
; /* Controls -t behaviour */
404 extern uschar
*extra_local_interfaces
; /* Local, non-listen interfaces */
406 extern int fake_response
; /* Fake FAIL or DEFER response to data */
407 extern uschar
*fake_response_text
; /* User defined message for the above. Default is in globals.c. */
408 extern int filter_n
[FILTER_VARIABLE_COUNT
]; /* filter variables */
409 extern BOOL filter_running
; /* TRUE while running a filter */
410 extern int filter_sn
[FILTER_VARIABLE_COUNT
]; /* variables set by system filter */
411 extern int filter_test
; /* Filter test type */
412 extern uschar
*filter_test_sfile
; /* System filter test file */
413 extern uschar
*filter_test_ufile
; /* User filter test file */
414 extern uschar
*filter_thisaddress
; /* For address looping */
415 extern int finduser_retries
; /* Retry count for getpwnam() */
416 extern uid_t fixed_never_users
[]; /* Can't be overridden */
417 #ifdef WITH_OLD_DEMIME
418 extern uschar
*found_extension
; /* demime acl condition: file extension found */
420 extern uschar
*freeze_tell
; /* Message on (some) freezings */
421 extern uschar
*freeze_tell_config
; /* The configured setting */
422 extern uschar
*fudged_queue_times
; /* For use in test harness */
424 extern uschar
*gecos_name
; /* To be expanded when pattern matches */
425 extern uschar
*gecos_pattern
; /* Pattern to match */
426 extern rewrite_rule
*global_rewrite_rules
; /* Chain of rewriting rules */
428 extern int header_insert_maxlen
; /* Max for inserting headers */
429 extern int header_maxsize
; /* Max total length for header */
430 extern int header_line_maxsize
; /* Max for an individual line */
431 extern header_name header_names
[]; /* Table of header names */
432 extern int header_names_size
; /* Number of entries */
433 extern BOOL header_rewritten
; /* TRUE if header changed by router */
434 extern uschar
*helo_accept_junk_hosts
; /* Allowed to use junk arg */
435 extern uschar
*helo_allow_chars
; /* Rogue chars to allow in HELO/EHLO */
436 extern uschar
*helo_lookup_domains
; /* If these given, lookup host name */
437 extern uschar
*helo_try_verify_hosts
; /* Soft check HELO argument for these */
438 extern BOOL helo_verified
; /* True if HELO verified */
439 extern BOOL helo_verify_failed
; /* True if attempt failed */
440 extern uschar
*helo_verify_hosts
; /* Hard check HELO argument for these */
441 extern const uschar
*hex_digits
; /* Used in several places */
442 extern uschar
*hold_domains
; /* Hold up deliveries to these */
443 extern BOOL host_find_failed_syntax
;/* DNS syntax check failure */
444 extern BOOL host_checking_callout
; /* TRUE if real callout wanted */
445 extern uschar
*host_data
; /* Obtained from lookup in ACL */
446 extern uschar
*host_lookup
; /* For which IP addresses are always looked up */
447 extern BOOL host_lookup_deferred
; /* TRUE if lookup deferred */
448 extern BOOL host_lookup_failed
; /* TRUE if lookup failed */
449 extern uschar
*host_lookup_order
; /* Order of host lookup types */
450 extern uschar
*host_lookup_msg
; /* Text for why it failed */
451 extern int host_number
; /* For sharing spools */
452 extern uschar
*host_number_string
; /* For expanding */
453 extern uschar
*host_reject_connection
; /* Reject these hosts */
454 extern tree_node
*hostlist_anchor
; /* Tree of defined host lists */
455 extern int hostlist_count
; /* Number defined */
456 extern uschar
*hosts_connection_nolog
; /* Limits the logging option */
457 extern uschar
*hosts_treat_as_local
; /* For routing */
459 extern int ignore_bounce_errors_after
; /* Keep them for this time. */
460 extern BOOL ignore_fromline_local
; /* Local SMTP ignore fromline */
461 extern uschar
*ignore_fromline_hosts
; /* Hosts permitted to send "From " */
462 extern BOOL inetd_wait_mode
; /* Whether running in inetd wait mode */
463 extern int inetd_wait_timeout
; /* Timeout for inetd wait mode */
464 extern BOOL is_inetd
; /* True for inetd calls */
465 extern uschar
*iterate_item
; /* Item from iterate list */
467 extern int journal_fd
; /* Fd for journal file */
469 extern int keep_malformed
; /* Time to keep malformed messages */
471 extern uschar
*eldap_dn
; /* Where LDAP DNs are left */
472 extern int load_average
; /* Most recently read load average */
473 extern BOOL local_error_message
; /* True if handling one of these */
474 extern BOOL local_from_check
; /* For adding Sender: (global value) */
475 extern uschar
*local_from_prefix
; /* Permitted prefixes */
476 extern uschar
*local_from_suffix
; /* Permitted suffixes */
477 extern uschar
*local_interfaces
; /* For forcing specific interfaces */
478 extern uschar
*local_scan_data
; /* Text returned by local_scan() */
479 extern optionlist local_scan_options
[];/* Option list for local_scan() */
480 extern int local_scan_options_count
; /* Size of the list */
481 extern int local_scan_timeout
; /* Timeout for local_scan() */
482 extern BOOL local_sender_retain
; /* Retain Sender: (with no From: check) */
483 extern gid_t local_user_gid
; /* As it says; may be set in routers */
484 extern uid_t local_user_uid
; /* As it says; may be set in routers */
485 extern tree_node
*localpartlist_anchor
;/* Tree of defined localpart lists */
486 extern int localpartlist_count
; /* Number defined */
487 extern uschar
*log_buffer
; /* For constructing log entries */
488 extern unsigned int log_extra_selector
;/* Bit map of logging options other than used by log_write() */
489 extern uschar
*log_file_path
; /* If unset, use default */
490 extern bit_table log_options
[]; /* Table of options */
491 extern int log_options_count
; /* Size of table */
492 extern int log_reject_target
; /* Target log for ACL rejections */
493 extern uschar
*log_selector_string
; /* As supplied in the config */
494 extern FILE *log_stderr
; /* Copy of stderr for log use, or NULL */
495 extern BOOL log_testing_mode
; /* TRUE in various testing modes */
496 extern BOOL log_timezone
; /* TRUE to include the timezone in log lines */
497 extern unsigned int log_write_selector
;/* Bit map of logging options for log_write() */
498 extern uschar
*login_sender_address
; /* The actual sender address */
499 extern lookup_info
**lookup_list
; /* Array of pointers to available lookups */
500 extern int lookup_list_count
; /* Number of entries in the list */
501 extern int lookup_open_max
; /* Max lookup files to cache */
502 extern uschar
*lookup_value
; /* Value looked up from file */
504 extern macro_item
*macros
; /* Configuration macros */
505 extern uschar
*mailstore_basename
; /* For mailstore deliveries */
506 #ifdef WITH_CONTENT_SCAN
507 extern uschar
*malware_name
; /* Name of virus or malware ("W32/Klez-H") */
509 extern int max_received_linelength
;/* What it says */
510 extern int max_username_length
; /* For systems with broken getpwnam() */
511 extern int message_age
; /* In seconds */
512 extern uschar
*message_body
; /* Start of message body for filter */
513 extern uschar
*message_body_end
; /* End of message body for filter */
514 extern BOOL message_body_newlines
; /* FALSE => remove newlines */
515 extern int message_body_size
; /* Sic */
516 extern int message_body_visible
; /* Amount visible in message_body */
517 extern int message_ended
; /* State of message reading and how ended */
518 extern uschar
*message_headers
; /* When built */
519 extern uschar message_id_option
[]; /* -E<message-id> for use as option */
520 extern uschar
*message_id_external
; /* External form of following */
521 extern uschar
*message_id_domain
; /* Expanded to form domain-part of message_id */
522 extern uschar
*message_id_text
; /* Expanded to form message_id */
523 extern struct timeval message_id_tv
; /* Time used to create last message_id */
524 extern int message_linecount
; /* As it says */
525 extern BOOL message_logs
; /* TRUE to write message logs */
526 extern int message_size
; /* Size of message */
527 extern uschar
*message_size_limit
; /* As it says */
528 extern uschar message_subdir
[]; /* Subdirectory for messages */
529 extern uschar
*message_reference
; /* Reference for error messages */
531 /* MIME ACL expandables */
532 #ifdef WITH_CONTENT_SCAN
533 extern int mime_anomaly_level
;
534 extern const uschar
*mime_anomaly_text
;
535 extern uschar
*mime_boundary
;
536 extern uschar
*mime_charset
;
537 extern uschar
*mime_content_description
;
538 extern uschar
*mime_content_disposition
;
539 extern uschar
*mime_content_id
;
540 extern unsigned int mime_content_size
;
541 extern uschar
*mime_content_transfer_encoding
;
542 extern uschar
*mime_content_type
;
543 extern uschar
*mime_decoded_filename
;
544 extern uschar
*mime_filename
;
545 extern int mime_is_multipart
;
546 extern int mime_is_coverletter
;
547 extern int mime_is_rfc822
;
548 extern int mime_part_count
;
551 extern BOOL mua_wrapper
; /* TRUE when Exim is wrapping an MUA */
553 extern uid_t
*never_users
; /* List of uids never to be used */
554 #ifdef WITH_CONTENT_SCAN
555 extern BOOL no_mbox_unspool
; /* don't unlink files in /scan directory */
557 extern BOOL no_multiline_responses
; /* For broken clients */
559 extern optionlist optionlist_auths
[]; /* These option lists are made */
560 extern int optionlist_auths_size
; /* global so that readconf can */
561 extern optionlist optionlist_routers
[]; /* see them for printing out */
562 extern int optionlist_routers_size
; /* the options. */
563 extern optionlist optionlist_transports
[];
564 extern int optionlist_transports_size
;
566 extern uid_t original_euid
; /* Original effective uid */
567 extern gid_t originator_gid
; /* Gid of whoever wrote spool file */
568 extern uschar
*originator_login
; /* Login of same */
569 extern uschar
*originator_name
; /* Full name of same */
570 extern uid_t originator_uid
; /* Uid of ditto */
571 extern uschar
*override_local_interfaces
; /* Value of -oX argument */
572 extern uschar
*override_pid_file_path
; /* Value of -oP argument */
574 extern BOOL parse_allow_group
; /* Allow group syntax */
575 extern BOOL parse_found_group
; /* In the middle of a group */
576 extern uschar
*percent_hack_domains
; /* Local domains for which '% operates */
577 extern uschar
*pid_file_path
; /* For writing daemon pids */
578 extern uschar
*pipelining_advertise_hosts
; /* As it says */
579 extern BOOL pipelining_enable
; /* As it says */
580 #ifdef EXPERIMENTAL_PRDR
581 extern BOOL prdr_enable
; /* As it says */
582 extern BOOL prdr_requested
; /* Connecting mail server wants PRDR */
584 extern BOOL preserve_message_logs
; /* Save msglog files */
585 extern uschar
*primary_hostname
; /* Primary name of this computer */
586 extern BOOL print_topbitchars
; /* Topbit chars are printing chars */
587 extern uschar process_info
[]; /* For SIGUSR1 output */
588 extern int process_info_len
;
589 extern uschar
*process_log_path
; /* Alternate path */
590 extern BOOL prod_requires_admin
; /* TRUE if prodding requires admin */
591 extern uschar
*prvscheck_address
; /* Set during prvscheck expansion item */
592 extern uschar
*prvscheck_keynum
; /* Set during prvscheck expansion item */
593 extern uschar
*prvscheck_result
; /* Set during prvscheck expansion item */
595 extern uschar
*qualify_domain_recipient
; /* Domain to qualify recipients with */
596 extern uschar
*qualify_domain_sender
; /* Domain to qualify senders with */
597 extern BOOL queue_2stage
; /* Run queue in 2-stage manner */
598 extern uschar
*queue_domains
; /* Queue these domains */
599 extern BOOL queue_list_requires_admin
; /* TRUE if -bp requires admin */
600 extern BOOL queue_run_first_delivery
; /* If TRUE, first deliveries only */
601 extern BOOL queue_run_force
; /* TRUE to force during queue run */
602 extern BOOL queue_run_local
; /* Local deliveries only in queue run */
603 extern BOOL queue_running
; /* TRUE for queue running process and */
604 /* immediate children */
605 extern pid_t queue_run_pid
; /* PID of the queue running process or 0 */
606 extern int queue_run_pipe
; /* Pipe for synchronizing */
607 extern int queue_interval
; /* Queue running interval */
608 extern BOOL queue_only
; /* TRUE to disable immediate delivery */
609 extern int queue_only_load
; /* Max load before auto-queue */
610 extern BOOL queue_only_load_latch
; /* Latch queue_only_load TRUE */
611 extern uschar
*queue_only_file
; /* Queue if file exists/not-exists */
612 extern BOOL queue_only_override
; /* Allow override from command line */
613 extern BOOL queue_only_policy
; /* ACL or local_scan wants queue_only */
614 extern BOOL queue_run_in_order
; /* As opposed to random */
615 extern int queue_run_max
; /* Max queue runners */
616 extern BOOL queue_smtp
; /* Disable all immediate STMP (-odqs)*/
617 extern uschar
*queue_smtp_domains
; /* Ditto, for these domains */
619 extern unsigned int random_seed
; /* Seed for random numbers */
620 extern tree_node
*ratelimiters_cmd
; /* Results of command ratelimit checks */
621 extern tree_node
*ratelimiters_conn
; /* Results of connection ratelimit checks */
622 extern tree_node
*ratelimiters_mail
; /* Results of per-mail ratelimit checks */
623 extern uschar
*raw_active_hostname
; /* Pre-expansion */
624 extern uschar
*raw_sender
; /* Before rewriting */
625 extern uschar
**raw_recipients
; /* Before rewriting */
626 extern int raw_recipients_count
;
627 extern int rcpt_count
; /* Count of RCPT commands in a message */
628 extern int rcpt_fail_count
; /* Those that got 5xx */
629 extern int rcpt_defer_count
; /* Those that got 4xx */
630 extern gid_t real_gid
; /* Real gid */
631 extern uid_t real_uid
; /* Real user running program */
632 extern BOOL really_exim
; /* FALSE in utilities */
633 extern BOOL receive_call_bombout
; /* Flag for crashing log */
634 extern int receive_linecount
; /* Mainly for BSMTP errors */
635 extern int receive_messagecount
; /* Mainly for BSMTP errors */
636 extern int receive_timeout
; /* For non-SMTP acceptance */
637 extern int received_count
; /* Count of Received: headers */
638 extern uschar
*received_for
; /* For "for" field */
639 extern uschar
*received_header_text
; /* Definition of Received: header */
640 extern int received_headers_max
; /* Max count of Received: headers */
641 extern int received_time
; /* Time the message was received */
642 extern uschar
*recipient_data
; /* lookup data for recipients */
643 extern uschar
*recipient_unqualified_hosts
; /* Permitted unqualified recipients */
644 extern uschar
*recipient_verify_failure
; /* What went wrong */
645 extern BOOL recipients_discarded
; /* By an ACL */
646 extern int recipients_list_max
; /* Maximum number fitting in list */
647 extern int recipients_max
; /* Max permitted */
648 extern int recipients_max_reject
; /* If TRUE, reject whole message */
649 extern const pcre
*regex_AUTH
; /* For recognizing AUTH settings */
650 extern const pcre
*regex_check_dns_names
; /* For DNS name checking */
651 extern const pcre
*regex_From
; /* For recognizing "From_" lines */
652 extern const pcre
*regex_IGNOREQUOTA
; /* For recognizing IGNOREQUOTA (LMTP) */
653 extern const pcre
*regex_PIPELINING
; /* For recognizing PIPELINING */
654 extern const pcre
*regex_SIZE
; /* For recognizing SIZE settings */
655 extern const pcre
*regex_smtp_code
; /* For recognizing SMTP codes */
656 extern const pcre
*regex_ismsgid
; /* Compiled r.e. for message it */
657 #ifdef WHITELIST_D_MACROS
658 extern const pcre
*regex_whitelisted_macro
; /* For -D macro values */
660 #ifdef WITH_CONTENT_SCAN
661 extern uschar
*regex_match_string
; /* regex that matched a line (regex ACL condition) */
663 extern int remote_delivery_count
; /* Number of remote addresses */
664 extern int remote_max_parallel
; /* Maximum parallel delivery */
665 extern uschar
*remote_sort_domains
; /* Remote domain sorting order */
666 extern retry_config
*retries
; /* Chain of retry config information */
667 extern int retry_data_expire
; /* When to expire retry data */
668 extern int retry_interval_max
; /* Absolute maximum */
669 extern int retry_maximum_timeout
; /* The maximum timeout */
670 extern uschar
*return_path
; /* Return path for a message */
671 extern BOOL return_path_remove
; /* Remove return-path headers */
672 extern int rewrite_existflags
; /* Indicate which headers have rewrites */
673 extern uschar
*rfc1413_hosts
; /* RFC hosts */
674 extern int rfc1413_query_timeout
; /* Timeout on RFC 1413 calls */
675 /* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
676 extern uid_t root_gid
; /* The gid for root */
677 extern uid_t root_uid
; /* The uid for root */
678 extern router_info routers_available
[];/* Vector of available routers */
679 extern router_instance
*routers
; /* Chain of instantiated routers */
680 extern router_instance router_defaults
;/* Default values */
681 extern uschar
*router_name
; /* Name of router last started */
682 extern BOOL running_in_test_harness
; /*TRUE when running_status is patched */
683 extern ip_address_item
*running_interfaces
; /* Host's running interfaces */
684 extern uschar
*running_status
; /* Flag string for testing */
685 extern int runrc
; /* rc from ${run} */
687 extern uschar
*search_error_message
; /* Details of lookup problem */
688 extern BOOL search_find_defer
; /* Set TRUE if lookup deferred */
689 extern uschar
*self_hostname
; /* Self host after routing->directors */
690 extern unsigned int sender_address_cache
[(MAX_NAMED_LIST
* 2)/32]; /* Cache bits for sender */
691 extern uschar
*sender_address_data
; /* address_data from sender verify */
692 extern BOOL sender_address_forced
; /* Set by -f */
693 extern uschar
*sender_address_unrewritten
; /* Set if rewritten by verify */
694 extern uschar
*sender_data
; /* lookup result for senders */
695 extern unsigned int sender_domain_cache
[(MAX_NAMED_LIST
* 2)/32]; /* Cache bits for sender domain */
696 extern uschar
*sender_fullhost
; /* Sender host name + address */
697 extern uschar
*sender_helo_name
; /* Host name from HELO/EHLO */
698 extern uschar
**sender_host_aliases
; /* Points to list of alias names */
699 extern unsigned int sender_host_cache
[(MAX_NAMED_LIST
* 2)/32]; /* Cache bits for incoming host */
700 extern BOOL sender_host_dnssec
; /* true if sender_host_name verified in DNSSEC */
701 extern BOOL sender_host_notsocket
; /* Set for -bs and -bS */
702 extern BOOL sender_host_unknown
; /* TRUE for -bs and -bS except inetd */
703 extern uschar
*sender_ident
; /* Sender identity via RFC 1413 */
704 extern BOOL sender_local
; /* TRUE for local senders */
705 extern BOOL sender_name_forced
; /* Set by -F */
706 extern uschar
*sender_rate
; /* Sender rate computed by ACL */
707 extern uschar
*sender_rate_limit
; /* Configured rate limit */
708 extern uschar
*sender_rate_period
; /* Configured smoothing period */
709 extern uschar
*sender_rcvhost
; /* Host data for Received: */
710 extern BOOL sender_set_untrusted
; /* Sender set by untrusted caller */
711 extern uschar
*sender_unqualified_hosts
; /* Permitted unqualified senders */
712 extern uschar
*sender_verify_failure
; /* What went wrong */
713 extern address_item
*sender_verified_list
; /* Saved chain of sender verifies */
714 extern address_item
*sender_verified_failed
; /* The one that caused denial */
715 extern uschar
*sending_ip_address
; /* Address of outgoing (SMTP) interface */
716 extern int sending_port
; /* Port of outgoing interface */
717 extern SIGNAL_BOOL sigalrm_seen
; /* Flag for sigalrm_handler */
718 extern uschar
**sighup_argv
; /* Args for re-execing after SIGHUP */
719 extern int smtp_accept_count
; /* Count of connections */
720 extern BOOL smtp_accept_keepalive
; /* Set keepalive on incoming */
721 extern int smtp_accept_max
; /* Max SMTP connections */
722 extern int smtp_accept_max_nonmail
;/* Max non-mail commands in one con */
723 extern uschar
*smtp_accept_max_nonmail_hosts
; /* Limit non-mail cmds from these hosts */
724 extern int smtp_accept_max_per_connection
; /* Max msgs per connection */
725 extern uschar
*smtp_accept_max_per_host
; /* Max SMTP cons from one IP addr */
726 extern int smtp_accept_queue
; /* Queue after so many connections */
727 extern int smtp_accept_queue_per_connection
; /* Queue after so many msgs */
728 extern int smtp_accept_reserve
; /* Reserve these SMTP connections */
729 extern uschar
*smtp_active_hostname
; /* Hostname for this message */
730 extern BOOL smtp_authenticated
; /* Sending client has authenticated */
731 extern uschar
*smtp_banner
; /* Banner string (to be expanded) */
732 extern BOOL smtp_check_spool_space
; /* TRUE to check SMTP SIZE value */
733 extern int smtp_ch_index
; /* Index in smtp_connection_had */
734 extern uschar
*smtp_cmd_argument
; /* For all SMTP commands */
735 extern uschar
*smtp_cmd_buffer
; /* SMTP command buffer */
736 extern time_t smtp_connection_start
; /* Start time of SMTP connection */
737 extern uschar smtp_connection_had
[]; /* Recent SMTP commands */
738 extern int smtp_connect_backlog
; /* Max backlog permitted */
739 extern double smtp_delay_mail
; /* Current MAIL delay */
740 extern double smtp_delay_rcpt
; /* Current RCPT delay */
741 extern BOOL smtp_enforce_sync
; /* Enforce sync rules */
742 extern uschar
*smtp_etrn_command
; /* Command to run */
743 extern BOOL smtp_etrn_serialize
; /* Only one at once */
744 extern FILE *smtp_in
; /* Incoming SMTP input file */
745 extern int smtp_load_reserve
; /* Only from reserved if load > this */
746 extern int smtp_mailcmd_count
; /* Count of MAIL commands */
747 extern int smtp_max_synprot_errors
;/* Max syntax/protocol errors */
748 extern int smtp_max_unknown_commands
; /* As it says */
749 extern uschar
*smtp_notquit_reason
; /* Global for disconnect reason */
750 extern FILE *smtp_out
; /* Incoming SMTP output file */
751 extern uschar
*smtp_ratelimit_hosts
; /* Rate limit these hosts */
752 extern uschar
*smtp_ratelimit_mail
; /* Parameters for MAIL limiting */
753 extern uschar
*smtp_ratelimit_rcpt
; /* Parameters for RCPT limiting */
754 extern uschar
*smtp_read_error
; /* Message for SMTP input error */
755 extern int smtp_receive_timeout
; /* Applies to each received line */
756 extern uschar
*smtp_reserve_hosts
; /* Hosts for reserved slots */
757 extern BOOL smtp_return_error_details
; /* TRUE to return full info */
758 extern int smtp_rlm_base
; /* Base interval for MAIL rate limit */
759 extern double smtp_rlm_factor
; /* Factor for MAIL rate limit */
760 extern int smtp_rlm_limit
; /* Max delay */
761 extern int smtp_rlm_threshold
; /* Threshold for RCPT rate limit */
762 extern int smtp_rlr_base
; /* Base interval for RCPT rate limit */
763 extern double smtp_rlr_factor
; /* Factor for RCPT rate limit */
764 extern int smtp_rlr_limit
; /* Max delay */
765 extern int smtp_rlr_threshold
; /* Threshold for RCPT rate limit */
766 extern BOOL smtp_use_pipelining
; /* Global for passed connections */
767 extern BOOL smtp_use_size
; /* Global for passed connections */
769 #ifdef WITH_CONTENT_SCAN
770 extern uschar
*spamd_address
; /* address for the spamassassin daemon */
771 extern uschar
*spam_bar
; /* the spam "bar" (textual representation of spam_score) */
772 extern uschar
*spam_report
; /* the spamd report (multiline) */
773 extern uschar
*spam_score
; /* the spam score (float) */
774 extern uschar
*spam_score_int
; /* spam_score * 10 (int) */
776 #ifdef EXPERIMENTAL_SPF
777 extern uschar
*spf_guess
; /* spf best-guess record */
778 extern uschar
*spf_header_comment
; /* spf header comment */
779 extern uschar
*spf_received
; /* Received-SPF: header */
780 extern uschar
*spf_result
; /* spf result in string form */
781 extern uschar
*spf_smtp_comment
; /* spf comment to include in SMTP reply */
783 extern BOOL split_spool_directory
; /* TRUE to use multiple subdirs */
784 extern uschar
*spool_directory
; /* Name of spool directory */
785 #ifdef EXPERIMENTAL_SRS
786 extern uschar
*srs_config
; /* SRS config secret:max age:hash length:use timestamp:use hash */
787 extern uschar
*srs_db_address
; /* SRS db address */
788 extern uschar
*srs_db_key
; /* SRS db key */
789 extern int srs_hashlength
; /* SRS hash length */
790 extern int srs_hashmin
; /* SRS minimum hash length */
791 extern int srs_maxage
; /* SRS max age */
792 extern uschar
*srs_orig_sender
; /* SRS original sender */
793 extern uschar
*srs_orig_recipient
; /* SRS original recipient */
794 extern uschar
*srs_recipient
; /* SRS recipient */
795 extern uschar
*srs_secrets
; /* SRS secrets list */
796 extern uschar
*srs_status
; /* SRS staus */
797 extern BOOL srs_usehash
; /* SRS use hash flag */
798 extern BOOL srs_usetimestamp
; /* SRS use timestamp flag */
800 extern BOOL strict_acl_vars
; /* ACL variables have to be set before being used */
801 extern int string_datestamp_offset
;/* After insertion by string_format */
802 extern int string_datestamp_length
;/* After insertion by string_format */
803 extern int string_datestamp_type
; /* After insertion by string_format */
804 extern BOOL strip_excess_angle_brackets
; /* Surrounding route-addrs */
805 extern BOOL strip_trailing_dot
; /* Remove dots at ends of domains */
806 extern uschar
*submission_domain
; /* Domain for submission mode */
807 extern BOOL submission_mode
; /* Can be forced from ACL */
808 extern uschar
*submission_name
; /* User name set from ACL */
809 extern BOOL suppress_local_fixups
; /* Can be forced from ACL */
810 extern BOOL suppress_local_fixups_default
; /* former is reset to this; override with -G */
811 extern BOOL synchronous_delivery
; /* TRUE if -odi is set */
812 extern BOOL syslog_duplication
; /* FALSE => no duplicate logging */
813 extern int syslog_facility
; /* As defined by Syslog.h */
814 extern uschar
*syslog_processname
; /* 'ident' param to openlog() */
815 extern BOOL syslog_timestamp
; /* TRUE if time on syslogs */
816 extern uschar
*system_filter
; /* Name of system filter file */
818 extern uschar
*system_filter_directory_transport
; /* Transports for the */
819 extern uschar
*system_filter_file_transport
; /* system filter */
820 extern uschar
*system_filter_pipe_transport
;
821 extern uschar
*system_filter_reply_transport
;
823 extern gid_t system_filter_gid
; /* Gid for running system filter */
824 extern BOOL system_filter_gid_set
; /* TRUE if gid set */
825 extern uid_t system_filter_uid
; /* Uid for running system filter */
826 extern BOOL system_filter_uid_set
; /* TRUE if uid set */
827 extern BOOL system_filtering
; /* TRUE when running system filter */
829 extern BOOL tcp_nodelay
; /* Controls TCP_NODELAY on daemon */
830 #ifdef USE_TCP_WRAPPERS
831 extern uschar
*tcp_wrappers_daemon_name
; /* tcpwrappers daemon lookup name */
833 extern int test_harness_load_avg
; /* For use when testing */
834 extern int thismessage_size_limit
; /* Limit for this message */
835 extern int timeout_frozen_after
; /* Max time to keep frozen messages */
836 extern BOOL timestamps_utc
; /* Use UTC for all times */
838 #ifdef EXPERIMENTAL_TPDA
839 extern int tpda_defer_errno
; /* error number set when a remote delivery is deferred with a host error */
840 extern uschar
*tpda_defer_errstr
; /* error string set when a remote delivery is deferred with a host error */
841 extern uschar
*tpda_delivery_ip
; /* IP of host, which has accepted delivery */
842 extern int tpda_delivery_port
; /* port of host, which has accepted delivery */
843 extern uschar
*tpda_delivery_fqdn
; /* FQDN of host, which has accepted delivery */
844 extern uschar
*tpda_delivery_local_part
;/* local part of address being delivered */
845 extern uschar
*tpda_delivery_domain
; /* domain part of address being delivered */
846 extern uschar
*tpda_delivery_confirmation
; /* SMTP confirmation message */
849 extern uschar
*transport_name
; /* Name of transport last started */
850 extern int transport_count
; /* Count of bytes transported */
851 extern int transport_newlines
; /* Accurate count of number of newline chars transported */
852 extern uschar
**transport_filter_argv
; /* For on-the-fly filtering */
853 extern int transport_filter_timeout
; /* Timeout for same */
854 extern BOOL transport_filter_timed_out
; /* True if it did */
856 extern transport_info transports_available
[]; /* Vector of available transports */
857 extern transport_instance
*transports
; /* Chain of instantiated transports */
858 extern transport_instance transport_defaults
; /* Default values */
860 extern int transport_write_timeout
;/* Set to time out individual writes */
862 extern tree_node
*tree_dns_fails
; /* Tree of DNS lookup failures */
863 extern tree_node
*tree_duplicates
; /* Tree of duplicate addresses */
864 extern tree_node
*tree_nonrecipients
; /* Tree of nonrecipient addresses */
865 extern tree_node
*tree_unusable
; /* Tree of unusable addresses */
867 extern BOOL trusted_caller
; /* Caller is trusted */
868 extern BOOL trusted_config
; /* Configuration file is trusted */
869 extern gid_t
*trusted_groups
; /* List of trusted groups */
870 extern uid_t
*trusted_users
; /* List of trusted users */
871 extern uschar
*timezone_string
; /* Required timezone setting */
873 extern uschar
*unknown_login
; /* To use when login id unknown */
874 extern uschar
*unknown_username
; /* Ditto */
875 extern uschar
*untrusted_set_sender
; /* Let untrusted users set these senders */
876 extern uschar
*uucp_from_pattern
; /* For recognizing "From " lines */
877 extern uschar
*uucp_from_sender
; /* For building the sender */
879 extern uschar
*warn_message_file
; /* Template for warning messages */
880 extern uschar
*warnmsg_delay
; /* String form of delay time */
881 extern uschar
*warnmsg_recipients
; /* Recipients of warning message */
882 extern BOOL write_rejectlog
; /* Control of reject logging */
884 extern uschar
*version_copyright
; /* Copyright notice */
885 extern uschar
*version_date
; /* Date of compilation */
886 extern uschar
*version_cnumber
; /* Compile number */
887 extern uschar
*version_string
; /* Version string */
889 extern int warning_count
; /* Delay warnings sent for this msg */
891 /* End of globals.h */