1 /* $Cambridge: exim/src/src/globals.h,v 1.36 2006/03/02 12:25:48 ph10 Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2006 */
8 /* See the file NOTICE for conditions of use and distribution. */
10 /* Almost all the global variables are defined together in this one header, so
11 that they are easy to find. However, those that are visible during the
12 compilation of the local_scan() function are defined separately in the
13 local_scan.h header file. */
15 /* First put any specials that are required for some operating systems. */
21 /* Now things that are present only when configured. */
24 extern uschar *opt_perl_startup; /* Startup code for Perl interpreter */
25 extern BOOL opt_perl_at_start; /* Start Perl interpreter at start */
26 extern BOOL opt_perl_started; /* Set once interpreter started */
30 extern tree_node *dlobj_anchor; /* Tree of dynamically-loaded objects */
34 extern uschar *ibase_servers;
38 extern uschar *eldap_default_servers; /* List of default servers */
39 extern int eldap_version; /* LDAP version */
43 extern uschar *mysql_servers; /* List of servers and connect info */
47 extern uschar *oracle_servers; /* List of servers and connect info */
51 extern uschar *pgsql_servers; /* List of servers and connect info */
55 extern int sqlite_lock_timeout; /* Internal lock waiting timeout */
58 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
59 extern BOOL move_frozen_messages; /* Get them out of the normal directory */
62 /* These variables are outside the #ifdef because it keeps the code less
63 cluttered in several places (e.g. during logging) if we can always refer to
64 them. Also, the tls_ variables are now always visible. */
66 extern int tls_active; /* fd/socket when in a TLS session */
67 extern BOOL tls_certificate_verified; /* Client certificate verified */
68 extern uschar *tls_cipher; /* Cipher used */
69 extern BOOL tls_on_connect; /* For older MTAs that don't STARTTLS */
70 extern uschar *tls_on_connect_ports; /* Ports always tls-on-connect */
71 extern uschar *tls_peerdn; /* DN from peer */
74 extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
75 extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
76 extern uschar *tls_certificate; /* Certificate file */
77 extern uschar *tls_crl; /* CRL File */
78 extern uschar *tls_dhparam; /* DH param file */
79 extern BOOL tls_offered; /* Server offered TLS */
80 extern uschar *tls_privatekey; /* Private key file */
81 extern BOOL tls_remember_esmtp; /* For YAEB */
82 extern uschar *tls_require_ciphers; /* So some can be avoided */
83 extern uschar *tls_try_verify_hosts; /* Optional client verification */
84 extern uschar *tls_verify_certificates;/* Path for certificates to check */
85 extern uschar *tls_verify_hosts; /* Mandatory client verification */
89 /* Input-reading functions for messages, so we can use special ones for
92 extern int (*receive_getc)(void);
93 extern int (*receive_ungetc)(int);
94 extern int (*receive_feof)(void);
95 extern int (*receive_ferror)(void);
98 /* For clearing, saving, restoring address expansion variables. We have to have
99 the size of this vector set explicitly, because it is referenced from more than
102 extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
104 /* General global variables */
106 extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
107 extern tree_node *acl_anchor; /* Tree of named ACLs */
108 extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
109 #ifdef WITH_CONTENT_SCAN
110 extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */
112 extern uschar *acl_smtp_auth; /* ACL run for AUTH */
113 extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
114 extern uschar *acl_smtp_data; /* ACL run after DATA received */
115 extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
116 extern uschar *acl_smtp_expn; /* ACL run for EXPN */
117 extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
118 extern uschar *acl_smtp_mail; /* ACL run for MAIL */
119 extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
120 #ifdef WITH_CONTENT_SCAN
121 extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
123 extern uschar *acl_smtp_predata; /* ACL run for DATA command */
124 extern uschar *acl_smtp_quit; /* ACL run for QUIT */
125 extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
126 extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
127 extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
128 extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
129 extern uschar *acl_var[ACL_CVARS+ACL_MVARS]; /* User ACL variables */
130 extern uschar *acl_verify_message; /* User message for verify failure */
131 extern header_line *acl_warn_headers; /* Warning headers added by ACL */
132 extern string_item *acl_warn_logged; /* Logged lines */
133 extern int acl_wherecodes[]; /* Response codes for ACL fails */
134 extern uschar *acl_wherenames[]; /* Names for messages */
135 extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
136 extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
137 extern address_item *addr_duplicate; /* Duplicate address list */
138 extern address_item address_defaults; /* Default data for address item */
139 extern uschar *address_file; /* Name of file when delivering to one */
140 extern uschar *address_pipe; /* Pipe command when delivering to one */
141 extern BOOL address_test_mode; /* True for -bt */
142 extern tree_node *addresslist_anchor; /* Tree of defined address lists */
143 extern int addresslist_count; /* Number defined */
144 extern gid_t *admin_groups; /* List of admin groups */
145 extern BOOL admin_user; /* True if caller can do admin */
146 extern BOOL allow_auth_unadvertised;/* As it says */
147 extern BOOL allow_domain_literals; /* As it says */
148 extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
149 extern BOOL allow_unqualified_recipient; /* As it says */
150 extern BOOL allow_unqualified_sender; /* Ditto */
151 extern BOOL allow_utf8_domains; /* For experimenting */
152 extern uschar *authenticated_id; /* ID that was authenticated */
153 extern uschar *authenticated_sender; /* From AUTH on MAIL */
154 extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
155 extern uschar *auth_advertise_hosts; /* Only advertise to these */
156 extern auth_info auths_available[]; /* Vector of available auth mechanisms */
157 extern auth_instance *auths; /* Chain of instantiated auths */
158 extern auth_instance auth_defaults; /* Default values */
159 extern uschar *auth_defer_msg; /* Error message for log */
160 extern uschar *auth_defer_user_msg; /* Error message for user */
161 extern uschar *auth_vars[]; /* $authn variables */
162 extern int auto_thaw; /* Auto-thaw interval */
163 #ifdef WITH_CONTENT_SCAN
164 extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
167 extern BOOL background_daemon; /* Set FALSE to keep in foreground */
168 extern uschar *base62_chars; /* Table of base-62 characters */
169 extern uschar *bi_command; /* Command for -bi option */
170 extern uschar *big_buffer; /* Used for various temp things */
171 extern int big_buffer_size; /* Current size (can expand) */
172 #ifdef EXPERIMENTAL_BRIGHTMAIL
173 extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
174 extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
175 extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
176 extern uschar *bmi_config_file; /* Brightmail config file */
177 extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
178 extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
179 extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
181 extern int body_linecount; /* Line count in body */
182 extern int body_zerocount; /* Binary zero count in body */
183 extern uschar *bounce_message_file; /* Template file */
184 extern uschar *bounce_message_text; /* One-liner */
185 extern uschar *bounce_recipient; /* When writing an errmsg */
186 extern BOOL bounce_return_body; /* Include body in returned message */
187 extern BOOL bounce_return_message; /* Include message in bounce */
188 extern int bounce_return_size_limit; /* Max amount to return */
189 extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
190 extern int bsmtp_transaction_linecount; /* Start of last transaction */
192 extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
193 extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
194 extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
195 extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
196 extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
197 extern uschar *check_dns_names_pattern;/* Regex for syntax check */
198 extern int check_log_inodes; /* Minimum for message acceptance */
199 extern int check_log_space; /* Minimum for message acceptance */
200 extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */
201 extern int check_spool_inodes; /* Minimum for message acceptance */
202 extern int check_spool_space; /* Minimum for message acceptance */
203 extern int clmacro_count; /* Number of command line macros */
204 extern uschar *clmacros[]; /* Copy of them, for re-exec */
205 extern int connection_max_messages;/* Max down one SMTP connection */
206 extern BOOL config_changed; /* True if -C used */
207 extern FILE *config_file; /* Configuration file */
208 extern uschar *config_filename; /* Configuration file name */
209 #ifdef CONFIGURE_GROUP
210 extern gid_t config_gid; /* Additional group owner */
212 extern int config_lineno; /* Line number */
213 extern uschar *config_main_filelist; /* List of possible config files */
214 extern uschar *config_main_filename; /* File name actually used */
215 #ifdef CONFIGURE_OWNER
216 extern uid_t config_uid; /* Additional owner */
218 extern uschar *continue_hostname; /* Host for continued delivery */
219 extern uschar *continue_host_address; /* IP address for ditto */
220 extern BOOL continue_more; /* Flag more addresses waiting */
221 extern int continue_sequence; /* Sequence num for continued delivery */
222 extern uschar *continue_transport; /* Transport for continued delivery */
224 extern uschar *csa_status; /* Client SMTP Authorization result */
226 extern BOOL daemon_listen; /* True if listening required */
227 extern uschar *daemon_smtp_port; /* Can be a list of ports */
228 extern int daemon_startup_retries; /* Number of times to retry */
229 extern int daemon_startup_sleep; /* Sleep between retries */
230 extern BOOL debug_daemon; /* Debug the daemon process only */
231 extern int debug_fd; /* The fd for debug_file */
232 extern FILE *debug_file; /* Where to write debugging info */
233 extern bit_table debug_options[]; /* Table of debug options */
234 extern int debug_options_count; /* Size of table */
235 extern int delay_warning[]; /* Times between warnings */
236 extern uschar *delay_warning_condition; /* Condition string for warnings */
237 extern BOOL delivery_date_remove; /* Remove delivery-date headers */
239 extern uschar *deliver_address_data; /* Arbitrary data for an address */
240 extern int deliver_datafile; /* FD for data part of message */
241 extern uschar *deliver_domain; /* The local domain for delivery */
242 extern uschar *deliver_domain_data; /* From domain lookup */
243 extern uschar *deliver_domain_orig; /* The original local domain for delivery */
244 extern uschar *deliver_domain_parent; /* The parent domain for delivery */
245 extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
246 extern BOOL deliver_firsttime; /* True for first delivery attempt */
247 extern BOOL deliver_force; /* TRUE if delivery was forced */
248 extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
249 extern int deliver_frozen_at; /* Time of freezing */
250 extern uschar *deliver_home; /* Home directory for pipes */
251 extern uschar *deliver_host; /* (First) host for routed local deliveries */
252 /* Remote host for filter */
253 extern uschar *deliver_host_address; /* Address for remote delivery filter */
254 extern uschar *deliver_in_buffer; /* Buffer for copying file */
255 extern ino_t deliver_inode; /* Inode for appendfile */
256 extern uschar *deliver_localpart; /* The local part for delivery */
257 extern uschar *deliver_localpart_data; /* From local part lookup */
258 extern uschar *deliver_localpart_orig; /* The original local part for delivery */
259 extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
260 extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
261 extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
262 extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
263 extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
264 extern uschar *deliver_out_buffer; /* Buffer for copying file */
265 extern int deliver_queue_load_max; /* Different value for queue running */
266 extern address_item *deliver_recipients; /* Current set of addresses */
267 extern uschar *deliver_selectstring; /* For selecting by recipient */
268 extern BOOL deliver_selectstring_regex; /* String is regex */
269 extern uschar *deliver_selectstring_sender; /* For selecting by sender */
270 extern BOOL deliver_selectstring_sender_regex; /* String is regex */
271 #ifdef WITH_OLD_DEMIME
272 extern int demime_errorlevel; /* Severity of MIME error */
273 extern int demime_ok; /* Nonzero if message has been demimed */
274 extern uschar *demime_reason; /* Reason for broken MIME container */
276 extern BOOL disable_ipv6; /* Don't do any IPv6 things */
277 extern BOOL disable_logging; /* Disables log writing when TRUE */
279 #ifdef EXPERIMENTAL_DOMAINKEYS
280 extern uschar *dk_signing_domain; /* Domain used for signing a message. */
281 extern uschar *dk_signing_selector; /* Selector used for signing a message. */
282 extern int dk_do_verify; /* DK verification switch. Set with ACL control statement. */
285 extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
286 extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */
287 extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */
288 extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
289 extern int dns_retrans; /* Retransmission time setting */
290 extern int dns_retry; /* Number of retries */
291 extern uschar *dnslist_domain; /* DNS (black) list domain */
292 extern uschar *dnslist_text; /* DNS (black) list text message */
293 extern uschar *dnslist_value; /* DNS (black) list IP address */
294 extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
295 extern int domainlist_count; /* Number defined */
296 extern BOOL dont_deliver; /* TRUE for -N option */
297 extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
299 /* This option is now a no-opt, retained for compatibility */
300 extern BOOL drop_cr; /* For broken local MUAs */
302 extern BOOL enable_dollar_recipients; /* Make $recipients available */
303 extern int envelope_to_remove; /* Remove envelope_to_headers */
304 extern int errno_quota; /* Quota errno in this OS */
305 extern int error_handling; /* Error handling style */
306 extern uschar *errors_copy; /* For taking copies of errors */
307 extern uschar *errors_reply_to; /* Reply-to for error messages */
308 extern int errors_sender_rc; /* Return after message to sender*/
309 extern gid_t exim_gid; /* To be used with exim_uid */
310 extern BOOL exim_gid_set; /* TRUE if exim_gid set */
311 extern uschar *exim_path; /* Path to exec exim */
312 extern uid_t exim_uid; /* Non-root uid for exim */
313 extern BOOL exim_uid_set; /* TRUE if exim_uid set */
314 extern int expand_forbid; /* RDO flags for forbidding things */
315 extern int expand_nlength[]; /* Lengths of numbered strings */
316 extern int expand_nmax; /* Max numerical value */
317 extern uschar *expand_nstring[]; /* Numbered strings */
318 extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
319 extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
320 extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
322 extern int fake_response; /* Fake FAIL or DEFER response to data */
323 extern uschar *fake_response_text; /* User defined message for the above. Default is in globals.c. */
324 extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
325 extern BOOL filter_running; /* TRUE while running a filter */
326 extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
327 extern int filter_test; /* Filter test type */
328 extern uschar *filter_test_sfile; /* System filter test file */
329 extern uschar *filter_test_ufile; /* User filter test file */
330 extern uschar *filter_thisaddress; /* For address looping */
331 extern int finduser_retries; /* Retry count for getpwnam() */
332 extern uid_t fixed_never_users[]; /* Can't be overridden */
333 #ifdef WITH_OLD_DEMIME
334 extern uschar *found_extension; /* demime acl condition: file extension found */
336 extern uschar *freeze_tell; /* Message on (some) freezings */
337 extern uschar *freeze_tell_config; /* The configured setting */
338 extern uschar *fudged_queue_times; /* For use in test harness */
340 extern uschar *gecos_name; /* To be expanded when pattern matches */
341 extern uschar *gecos_pattern; /* Pattern to match */
342 extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
344 extern int header_insert_maxlen; /* Max for inserting headers */
345 extern int header_maxsize; /* Max total length for header */
346 extern int header_line_maxsize; /* Max for an individual line */
347 extern header_name header_names[]; /* Table of header names */
348 extern int header_names_size; /* Number of entries */
349 extern BOOL header_rewritten; /* TRUE if header changed by router */
350 extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
351 extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
352 extern uschar *helo_lookup_domains; /* If these given, lookup host name */
353 extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
354 extern BOOL helo_verified; /* True if HELO verified */
355 extern BOOL helo_verify_failed; /* True if attempt failed */
356 extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
357 extern uschar *hex_digits; /* Used in several places */
358 extern uschar *hold_domains; /* Hold up deliveries to these */
359 extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
360 extern BOOL host_checking_callout; /* TRUE if real callout wanted */
361 extern uschar *host_data; /* Obtained from lookup in ACL */
362 extern uschar *host_lookup; /* For which IP addresses are always looked up */
363 extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
364 extern BOOL host_lookup_failed; /* TRUE if lookup failed */
365 extern uschar *host_lookup_order; /* Order of host lookup types */
366 extern uschar *host_lookup_msg; /* Text for why it failed */
367 extern int host_number; /* For sharing spools */
368 extern uschar *host_number_string; /* For expanding */
369 extern uschar *host_reject_connection; /* Reject these hosts */
370 extern tree_node *hostlist_anchor; /* Tree of defined host lists */
371 extern int hostlist_count; /* Number defined */
372 extern uschar *hosts_connection_nolog; /* Limits the logging option */
373 extern uschar *hosts_treat_as_local; /* For routing */
375 extern int ignore_bounce_errors_after; /* Keep them for this time. */
376 extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
377 extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
378 extern BOOL is_inetd; /* True for inetd calls */
380 extern int journal_fd; /* Fd for journal file */
382 extern int keep_malformed; /* Time to keep malformed messages */
384 extern uschar *eldap_dn; /* Where LDAP DNs are left */
385 extern int load_average; /* Most recently read load average */
386 extern BOOL local_error_message; /* True if handling one of these */
387 extern BOOL local_from_check; /* For adding Sender: (global value) */
388 extern uschar *local_from_prefix; /* Permitted prefixes */
389 extern uschar *local_from_suffix; /* Permitted suffixes */
390 extern uschar *local_interfaces; /* For forcing specific interfaces */
391 extern uschar *local_scan_data; /* Text returned by local_scan() */
392 extern optionlist local_scan_options[];/* Option list for local_scan() */
393 extern int local_scan_options_count; /* Size of the list */
394 extern int local_scan_timeout; /* Timeout for local_scan() */
395 extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
396 extern gid_t local_user_gid; /* As it says; may be set in routers */
397 extern uid_t local_user_uid; /* As it says; may be set in routers */
398 extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
399 extern int localpartlist_count; /* Number defined */
400 extern uschar *log_buffer; /* For constructing log entries */
401 extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
402 extern uschar *log_file_path; /* If unset, use default */
403 extern bit_table log_options[]; /* Table of options */
404 extern int log_options_count; /* Size of table */
405 extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
406 extern uschar *log_selector_string; /* As supplied in the config */
407 extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
408 extern BOOL log_testing_mode; /* TRUE in various testing modes */
409 extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
410 extern uschar *login_sender_address; /* The actual sender address */
411 extern lookup_info lookup_list[]; /* Vector of available lookups */
412 extern int lookup_list_count; /* Number of entries in the list */
413 extern int lookup_open_max; /* Max lookup files to cache */
414 extern uschar *lookup_value; /* Value looked up from file */
416 extern macro_item *macros; /* Configuration macros */
417 extern uschar *mailstore_basename; /* For mailstore deliveries */
418 #ifdef WITH_CONTENT_SCAN
419 extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
421 extern int max_username_length; /* For systems with broken getpwnam() */
422 extern int message_age; /* In seconds */
423 extern uschar *message_body; /* Start of message body for filter */
424 extern uschar *message_body_end; /* End of message body for filter */
425 extern int message_body_size; /* Sic */
426 extern int message_body_visible; /* Amount visible in message_body */
427 extern int message_ended; /* State of message reading and how ended */
428 extern uschar *message_headers; /* When built */
429 extern uschar message_id_option[]; /* -E<message-id> for use as option */
430 extern uschar *message_id_external; /* External form of following */
431 extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
432 extern uschar *message_id_text; /* Expanded to form message_id */
433 extern struct timeval message_id_tv; /* Time used to create last message_id */
434 extern int message_linecount; /* As it says */
435 extern BOOL message_logs; /* TRUE to write message logs */
436 extern int message_size; /* Size of message */
437 extern uschar *message_size_limit; /* As it says */
438 extern uschar message_subdir[]; /* Subdirectory for messages */
439 extern uschar *message_reference; /* Reference for error messages */
441 /* MIME ACL expandables */
442 #ifdef WITH_CONTENT_SCAN
443 extern int mime_anomaly_level;
444 extern uschar *mime_anomaly_text;
445 extern uschar *mime_boundary;
446 extern uschar *mime_charset;
447 extern uschar *mime_content_description;
448 extern uschar *mime_content_disposition;
449 extern uschar *mime_content_id;
450 extern unsigned int mime_content_size;
451 extern uschar *mime_content_transfer_encoding;
452 extern uschar *mime_content_type;
453 extern uschar *mime_decoded_filename;
454 extern uschar *mime_filename;
455 extern int mime_is_multipart;
456 extern int mime_is_coverletter;
457 extern int mime_is_rfc822;
458 extern int mime_part_count;
461 extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
463 extern uid_t *never_users; /* List of uids never to be used */
464 #ifdef WITH_CONTENT_SCAN
465 extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
467 extern BOOL no_multiline_responses; /* For broken clients */
469 extern optionlist optionlist_auths[]; /* These option lists are made */
470 extern int optionlist_auths_size; /* global so that readconf can */
471 extern optionlist optionlist_routers[]; /* see them for printing out */
472 extern int optionlist_routers_size; /* the options. */
473 extern optionlist optionlist_transports[];
474 extern int optionlist_transports_size;
476 extern uid_t original_euid; /* Original effective uid */
477 extern gid_t originator_gid; /* Gid of whoever wrote spool file */
478 extern uschar *originator_login; /* Login of same */
479 extern uschar *originator_name; /* Full name of same */
480 extern uid_t originator_uid; /* Uid of ditto */
481 extern uschar *override_local_interfaces; /* Value of -oX argument */
482 extern uschar *override_pid_file_path; /* Value of -oP argument */
484 extern BOOL parse_allow_group; /* Allow group syntax */
485 extern BOOL parse_found_group; /* In the middle of a group */
486 extern uschar *percent_hack_domains; /* Local domains for which '% operates */
487 extern uschar *pid_file_path; /* For writing daemon pids */
488 extern uschar *pipelining_advertise_hosts; /* As it says */
489 extern BOOL preserve_message_logs; /* Save msglog files */
490 extern uschar *primary_hostname; /* Primary name of this computer */
491 extern BOOL print_topbitchars; /* Topbit chars are printing chars */
492 extern uschar process_info[]; /* For SIGUSR1 output */
493 extern uschar *process_log_path; /* Alternate path */
494 extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
495 extern uschar *prvscheck_address; /* Set during prvscheck expansion item */
496 extern uschar *prvscheck_keynum; /* Set during prvscheck expansion item */
497 extern uschar *prvscheck_result; /* Set during prvscheck expansion item */
499 extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
500 extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
501 extern BOOL queue_2stage; /* Run queue in 2-stage manner */
502 extern uschar *queue_domains; /* Queue these domains */
503 extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
504 extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
505 extern BOOL queue_run_force; /* TRUE to force during queue run */
506 extern BOOL queue_run_local; /* Local deliveries only in queue run */
507 extern BOOL queue_running; /* TRUE for queue running process and */
508 /* immediate children */
509 extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
510 extern int queue_run_pipe; /* Pipe for synchronizing */
511 extern int queue_interval; /* Queue running interval */
512 extern BOOL queue_only; /* TRUE to disable immediate delivery */
513 extern int queue_only_load; /* Max load before auto-queue */
514 extern uschar *queue_only_file; /* Queue if file exists/not-exists */
515 extern BOOL queue_only_override; /* Allow override from command line */
516 extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
517 extern BOOL queue_run_in_order; /* As opposed to random */
518 extern int queue_run_max; /* Max queue runners */
519 extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
520 extern uschar *queue_smtp_domains; /* Ditto, for these domains */
522 extern unsigned int random_seed; /* Seed for random numbers */
523 extern tree_node *ratelimiters_cmd; /* Results of command ratelimit checks */
524 extern tree_node *ratelimiters_conn; /* Results of connection ratelimit checks */
525 extern tree_node *ratelimiters_mail; /* Results of per-mail ratelimit checks */
526 extern uschar *raw_active_hostname; /* Pre-expansion */
527 extern uschar *raw_sender; /* Before rewriting */
528 extern uschar **raw_recipients; /* Before rewriting */
529 extern int raw_recipients_count;
530 extern int rcpt_count; /* Count of RCPT commands in a message */
531 extern int rcpt_fail_count; /* Those that got 5xx */
532 extern int rcpt_defer_count; /* Those that got 4xx */
533 extern gid_t real_gid; /* Real gid */
534 extern uid_t real_uid; /* Real user running program */
535 extern BOOL really_exim; /* FALSE in utilities */
536 extern BOOL receive_call_bombout; /* Flag for crashing log */
537 extern int receive_linecount; /* Mainly for BSMTP errors */
538 extern int receive_messagecount; /* Mainly for BSMTP errors */
539 extern int receive_timeout; /* For non-SMTP acceptance */
540 extern int received_count; /* Count of Received: headers */
541 extern uschar *received_for; /* For "for" field */
542 extern uschar *received_header_text; /* Definition of Received: header */
543 extern int received_headers_max; /* Max count of Received: headers */
544 extern int received_time; /* Time the message was received */
545 extern uschar *recipient_data; /* lookup data for recipients */
546 extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
547 extern uschar *recipient_verify_failure; /* What went wrong */
548 extern BOOL recipients_discarded; /* By an ACL */
549 extern int recipients_list_max; /* Maximum number fitting in list */
550 extern int recipients_max; /* Max permitted */
551 extern int recipients_max_reject; /* If TRUE, reject whole message */
552 extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
553 extern const pcre *regex_check_dns_names; /* For DNS name checking */
554 extern const pcre *regex_From; /* For recognizing "From_" lines */
555 extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
556 extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
557 extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
558 extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
559 #ifdef WITH_CONTENT_SCAN
560 extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
562 extern int remote_delivery_count; /* Number of remote addresses */
563 extern int remote_max_parallel; /* Maximum parallel delivery */
564 extern uschar *remote_sort_domains; /* Remote domain sorting order */
565 extern retry_config *retries; /* Chain of retry config information */
566 extern int retry_data_expire; /* When to expire retry data */
567 extern int retry_interval_max; /* Absolute maximum */
568 extern int retry_maximum_timeout; /* The maximum timeout */
569 extern uschar *return_path; /* Return path for a message */
570 extern BOOL return_path_remove; /* Remove return-path headers */
571 extern int rewrite_existflags; /* Indicate which headers have rewrites */
572 extern uschar *rfc1413_hosts; /* RFC hosts */
573 extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
574 /* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
575 extern uid_t root_uid; /* The uid for root */
576 extern router_info routers_available[];/* Vector of available routers */
577 extern router_instance *routers; /* Chain of instantiated routers */
578 extern router_instance router_defaults;/* Default values */
579 extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
580 extern ip_address_item *running_interfaces; /* Host's running interfaces */
581 extern uschar *running_status; /* Flag string for testing */
582 extern int runrc; /* rc from ${run} */
584 extern uschar *search_error_message; /* Details of lookup problem */
585 extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
586 extern uschar *self_hostname; /* Self host after routing->directors */
587 extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
588 extern uschar *sender_address_data; /* address_data from sender verify */
589 extern BOOL sender_address_forced; /* Set by -f */
590 extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
591 extern uschar *sender_data; /* lookup result for senders */
592 extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
593 extern uschar *sender_fullhost; /* Sender host name + address */
594 extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
595 extern uschar **sender_host_aliases; /* Points to list of alias names */
596 extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
597 extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
598 extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
599 extern uschar *sender_ident; /* Sender identity via RFC 1413 */
600 extern BOOL sender_local; /* TRUE for local senders */
601 extern BOOL sender_name_forced; /* Set by -F */
602 extern uschar *sender_rate; /* Sender rate computed by ACL */
603 extern uschar *sender_rate_limit; /* Configured rate limit */
604 extern uschar *sender_rate_period; /* Configured smoothing period */
605 extern uschar *sender_rcvhost; /* Host data for Received: */
606 extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
607 extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
608 extern uschar *sender_verify_failure; /* What went wrong */
609 extern address_item *sender_verified_list; /* Saved chain of sender verifies */
610 extern address_item *sender_verified_failed; /* The one that caused denial */
611 extern volatile BOOL sigalrm_seen; /* Flag for sigalrm_handler */
612 extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
613 extern int smtp_accept_count; /* Count of connections */
614 extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
615 extern int smtp_accept_max; /* Max SMTP connections */
616 extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
617 extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
618 extern int smtp_accept_max_per_connection; /* Max msgs per connection */
619 extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
620 extern int smtp_accept_queue; /* Queue after so many connections */
621 extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
622 extern int smtp_accept_reserve; /* Reserve these SMTP connections */
623 extern uschar *smtp_active_hostname; /* Hostname for this message */
624 extern BOOL smtp_authenticated; /* Sending client has authenticated */
625 extern uschar *smtp_banner; /* Banner string (to be expanded) */
626 extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
627 extern uschar *smtp_cmd_argument; /* For all SMTP commands */
628 extern uschar *smtp_cmd_buffer; /* SMTP command buffer */
629 extern int smtp_connect_backlog; /* Max backlog permitted */
630 extern double smtp_delay_mail; /* Current MAIL delay */
631 extern double smtp_delay_rcpt; /* Current RCPT delay */
632 extern BOOL smtp_enforce_sync; /* Enforce sync rules */
633 extern uschar *smtp_etrn_command; /* Command to run */
634 extern BOOL smtp_etrn_serialize; /* Only one at once */
635 extern FILE *smtp_in; /* Incoming SMTP input file */
636 extern int smtp_load_reserve; /* Only from reserved if load > this */
637 extern int smtp_mailcmd_count; /* Count of MAIL commands */
638 extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
639 extern int smtp_max_unknown_commands; /* As it says */
640 extern FILE *smtp_out; /* Incoming SMTP output file */
641 extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
642 extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
643 extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
644 extern uschar *smtp_read_error; /* Message for SMTP input error */
645 extern int smtp_receive_timeout; /* Applies to each received line */
646 extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
647 extern BOOL smtp_return_error_details; /* TRUE to return full info */
648 extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
649 extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
650 extern int smtp_rlm_limit; /* Max delay */
651 extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
652 extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
653 extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
654 extern int smtp_rlr_limit; /* Max delay */
655 extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
656 extern BOOL smtp_use_pipelining; /* Global for passed connections */
657 extern BOOL smtp_use_size; /* Global for passed connections */
659 #ifdef WITH_CONTENT_SCAN
660 extern uschar *spamd_address; /* address for the spamassassin daemon */
661 extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
662 extern uschar *spam_report; /* the spamd report (multiline) */
663 extern uschar *spam_score; /* the spam score (float) */
664 extern uschar *spam_score_int; /* spam_score * 10 (int) */
666 #ifdef EXPERIMENTAL_SPF
667 extern uschar *spf_header_comment; /* spf header comment */
668 extern uschar *spf_received; /* SPF-Received: header */
669 extern uschar *spf_result; /* spf result in string form */
670 extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
672 extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
673 extern uschar *spool_directory; /* Name of spool directory */
674 #ifdef EXPERIMENTAL_SRS
675 extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
676 extern uschar *srs_db_address; /* SRS db address */
677 extern uschar *srs_db_key; /* SRS db key */
678 extern int srs_hashlength; /* SRS hash length */
679 extern int srs_hashmin; /* SRS minimum hash length */
680 extern int srs_maxage; /* SRS max age */
681 extern uschar *srs_orig_sender; /* SRS original sender */
682 extern uschar *srs_orig_recipient; /* SRS original recipient */
683 extern uschar *srs_recipient; /* SRS recipient */
684 extern uschar *srs_secrets; /* SRS secrets list */
685 extern uschar *srs_status; /* SRS staus */
686 extern BOOL srs_usehash; /* SRS use hash flag */
687 extern BOOL srs_usetimestamp; /* SRS use timestamp flag */
689 extern int string_datestamp_offset;/* After insertion by string_format */
690 extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
691 extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
692 extern uschar *submission_domain; /* Domain for submission mode */
693 extern BOOL submission_mode; /* Can be forced from ACL */
694 extern uschar *submission_name; /* User name set from ACL */
695 extern BOOL suppress_local_fixups; /* Can be forced from ACL */
696 extern BOOL synchronous_delivery; /* TRUE if -odi is set */
697 extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
698 extern int syslog_facility; /* As defined by Syslog.h */
699 extern uschar *syslog_processname; /* 'ident' param to openlog() */
700 extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
701 extern uschar *system_filter; /* Name of system filter file */
703 extern uschar *system_filter_directory_transport; /* Transports for the */
704 extern uschar *system_filter_file_transport; /* system filter */
705 extern uschar *system_filter_pipe_transport;
706 extern uschar *system_filter_reply_transport;
708 extern gid_t system_filter_gid; /* Gid for running system filter */
709 extern BOOL system_filter_gid_set; /* TRUE if gid set */
710 extern uid_t system_filter_uid; /* Uid for running system filter */
711 extern BOOL system_filter_uid_set; /* TRUE if uid set */
712 extern BOOL system_filtering; /* TRUE when running system filter */
714 extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
715 extern int thismessage_size_limit; /* Limit for this message */
716 extern int timeout_frozen_after; /* Max time to keep frozen messages */
717 extern BOOL timestamps_utc; /* Use UTC for all times */
718 extern int transport_count; /* Count of bytes transported */
719 extern uschar **transport_filter_argv; /* For on-the-fly filtering */
720 extern int transport_filter_timeout; /* Timeout for same */
721 extern BOOL transport_filter_timed_out; /* True if it did */
723 extern transport_info transports_available[]; /* Vector of available transports */
724 extern transport_instance *transports; /* Chain of instantiated transports */
725 extern transport_instance transport_defaults; /* Default values */
727 extern int transport_write_timeout;/* Set to time out individual writes */
729 extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
730 extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
731 extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
732 extern tree_node *tree_unusable; /* Tree of unusable addresses */
734 extern BOOL trusted_caller; /* Caller is trusted */
735 extern gid_t *trusted_groups; /* List of trusted groups */
736 extern uid_t *trusted_users; /* List of trusted users */
737 extern uschar *timezone_string; /* Required timezone setting */
739 extern uschar *unknown_login; /* To use when login id unknown */
740 extern uschar *unknown_username; /* Ditto */
741 extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
742 extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
743 extern uschar *uucp_from_sender; /* For building the sender */
745 extern uschar *warn_message_file; /* Template for warning messages */
746 extern uschar *warnmsg_delay; /* String form of delay time */
747 extern uschar *warnmsg_recipients; /* Recipients of warning message */
748 extern BOOL write_rejectlog; /* Control of reject logging */
750 extern uschar *version_copyright; /* Copyright notice */
751 extern uschar *version_date; /* Date of compilation */
752 extern uschar *version_cnumber; /* Compile number */
753 extern uschar *version_string; /* Version string */
755 extern int warning_count; /* Delay warnings sent for this msg */
757 /* End of globals.h */
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