1 /* $Cambridge: exim/src/src/globals.h,v 1.6.2.2 2004/12/02 09:15:11 tom Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2004 */
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 uschar *ibase_servers;
34 extern uschar *eldap_default_servers; /* List of default servers */
35 extern int eldap_version; /* LDAP version */
39 extern uschar *mysql_servers; /* List of servers and connect info */
43 extern uschar *oracle_servers; /* List of servers and connect info */
47 extern uschar *pgsql_servers; /* List of servers and connect info */
50 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
51 extern BOOL move_frozen_messages; /* Get them out of the normal directory */
54 /* These variables are outside the #ifdef because it keeps the code less
55 cluttered in several places (e.g. during logging) if we can always refer to
56 them. Also, the tls_ variables are now always visible. */
58 extern int tls_active; /* fd/socket when in a TLS session */
59 extern BOOL tls_certificate_verified; /* Client certificate verified */
60 extern uschar *tls_cipher; /* Cipher used */
61 extern BOOL tls_on_connect; /* For older MTAs that don't STARTTLS */
62 extern uschar *tls_on_connect_ports; /* Ports always tls-on-connect */
63 extern uschar *tls_peerdn; /* DN from peer */
66 extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
67 extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
68 extern uschar *tls_certificate; /* Certificate file */
69 extern uschar *tls_crl; /* CRL File */
70 extern uschar *tls_dhparam; /* DH param file */
71 extern BOOL tls_offered; /* Server offered TLS */
72 extern uschar *tls_privatekey; /* Private key file */
73 extern BOOL tls_remember_esmtp; /* For YAEB */
74 extern uschar *tls_require_ciphers; /* So some can be avoided */
75 extern uschar *tls_try_verify_hosts; /* Optional client verification */
76 extern uschar *tls_verify_certificates;/* Path for certificates to check */
77 extern uschar *tls_verify_hosts; /* Mandatory client verification */
81 /* Input-reading functions for messages, so we can use special ones for
84 extern int (*receive_getc)(void);
85 extern int (*receive_ungetc)(int);
86 extern int (*receive_feof)(void);
87 extern int (*receive_ferror)(void);
90 /* For clearing, saving, restoring address expansion variables. We have to have
91 the size of this vector set explicitly, because it is referenced from more than
94 extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
96 /* General global variables */
98 extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
99 extern tree_node *acl_anchor; /* Tree of named ACLs */
100 extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
101 extern uschar *acl_smtp_auth; /* ACL run for AUTH */
102 extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
103 extern uschar *acl_smtp_data; /* ACL run after DATA received */
104 extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
105 extern uschar *acl_smtp_expn; /* ACL run for EXPN */
106 extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
107 extern uschar *acl_smtp_mail; /* ACL run for MAIL */
108 extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
109 #ifdef WITH_CONTENT_SCAN
110 extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
112 extern uschar *acl_smtp_predata; /* ACL run for DATA command */
113 extern uschar *acl_smtp_quit; /* ACL run for QUIT */
114 extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
115 extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
116 extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
117 extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
118 extern uschar *acl_var[ACL_C_MAX+ACL_M_MAX]; /* User variables */
119 extern uschar *acl_verify_message; /* User message for verify failure */
120 extern header_line *acl_warn_headers; /* Warning headers added by ACL */
121 extern string_item *acl_warn_logged; /* Logged lines */
122 extern int acl_wherecodes[]; /* Response codes for ACL fails */
123 extern uschar *acl_wherenames[]; /* Names for messages */
124 extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
125 extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
126 extern address_item *addr_duplicate; /* Duplicate address list */
127 extern address_item address_defaults; /* Default data for address item */
128 extern uschar *address_file; /* Name of file when delivering to one */
129 extern uschar *address_pipe; /* Pipe command when delivering to one */
130 extern BOOL address_test_mode; /* True for -bt */
131 extern tree_node *addresslist_anchor; /* Tree of defined address lists */
132 extern int addresslist_count; /* Number defined */
133 extern gid_t *admin_groups; /* List of admin groups */
134 extern BOOL admin_user; /* True if caller can do admin */
135 extern BOOL allow_domain_literals; /* As it says */
136 extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
137 extern BOOL allow_unqualified_recipient; /* As it says */
138 extern BOOL allow_unqualified_sender; /* Ditto */
139 extern BOOL allow_utf8_domains; /* For experimenting */
140 extern uschar *authenticated_id; /* ID that was authenticated */
141 extern uschar *authenticated_sender; /* From AUTH on MAIL */
142 extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
143 extern uschar *auth_advertise_hosts; /* Only advertise to these */
144 extern auth_info auths_available[]; /* Vector of available auth mechanisms */
145 extern auth_instance *auths; /* Chain of instantiated auths */
146 extern auth_instance auth_defaults; /* Default values */
147 extern uschar *auth_defer_msg; /* Error message for log */
148 extern uschar *auth_defer_user_msg; /* Error message for user */
149 extern int auto_thaw; /* Auto-thaw interval */
150 #ifdef WITH_CONTENT_SCAN
151 extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
154 extern BOOL background_daemon; /* Set FALSE to keep in foreground */
155 extern uschar *base62_chars; /* Table of base-62 characters */
156 extern uschar *bi_command; /* Command for -bi option */
157 extern uschar *big_buffer; /* Used for various temp things */
158 extern int big_buffer_size; /* Current size (can expand) */
159 extern int body_linecount; /* Line count in body */
160 extern int body_zerocount; /* Binary zero count in body */
161 extern uschar *bounce_message_file; /* Template file */
162 extern uschar *bounce_message_text; /* One-liner */
163 extern uschar *bounce_recipient; /* When writing an errmsg */
164 extern BOOL bounce_return_body; /* Include body in returned message */
165 extern BOOL bounce_return_message; /* Include message in bounce */
166 extern int bounce_return_size_limit; /* Max amount to return */
167 extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
168 extern int bsmtp_transaction_linecount; /* Start of last transaction */
170 extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
171 extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
172 extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
173 extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
174 extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
175 extern uschar *check_dns_names_pattern;/* Regex for syntax check */
176 extern int check_log_inodes; /* Minimum for message acceptance */
177 extern int check_log_space; /* Minimum for message acceptance */
178 extern int check_spool_inodes; /* Minimum for message acceptance */
179 extern int check_spool_space; /* Minimum for message acceptance */
180 extern int clmacro_count; /* Number of command line macros */
181 extern uschar *clmacros[]; /* Copy of them, for re-exec */
182 extern int connection_max_messages;/* Max down one SMTP connection */
183 extern BOOL config_changed; /* True if -C used */
184 extern FILE *config_file; /* Configuration file */
185 extern uschar *config_filename; /* Configuration file name */
186 #ifdef CONFIGURE_GROUP
187 extern gid_t config_gid; /* Additional group owner */
189 extern int config_lineno; /* Line number */
190 extern uschar *config_main_filelist; /* List of possible config files */
191 extern uschar *config_main_filename; /* File name actually used */
192 #ifdef CONFIGURE_OWNER
193 extern uid_t config_uid; /* Additional owner */
195 extern uschar *continue_hostname; /* Host for continued delivery */
196 extern uschar *continue_host_address; /* IP address for ditto */
197 extern BOOL continue_more; /* Flag more addresses waiting */
198 extern int continue_sequence; /* Sequence num for continued delivery */
199 extern uschar *continue_transport; /* Transport for continued delivery */
201 extern BOOL daemon_listen; /* True if listening required */
202 extern uschar *daemon_smtp_port; /* Can be a list of ports */
203 extern BOOL debug_daemon; /* Debug the daemon process only */
204 extern int debug_fd; /* The fd for debug_file */
205 extern FILE *debug_file; /* Where to write debugging info */
206 extern bit_table debug_options[]; /* Table of debug options */
207 extern int debug_options_count; /* Size of table */
208 extern int delay_warning[]; /* Times between warnings */
209 extern uschar *delay_warning_condition; /* Condition string for warnings */
210 extern BOOL delivery_date_remove; /* Remove delivery-date headers */
212 extern uschar *deliver_address_data; /* Arbitrary data for an address */
213 extern int deliver_datafile; /* FD for data part of message */
214 extern uschar *deliver_domain; /* The local domain for delivery */
215 extern uschar *deliver_domain_data; /* From domain lookup */
216 extern uschar *deliver_domain_orig; /* The original local domain for delivery */
217 extern uschar *deliver_domain_parent; /* The parent domain for delivery */
218 extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
219 extern BOOL deliver_firsttime; /* True for first delivery attempt */
220 extern BOOL deliver_force; /* TRUE if delivery was forced */
221 extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
222 extern int deliver_frozen_at; /* Time of freezing */
223 extern uschar *deliver_home; /* Home directory for pipes */
224 extern uschar *deliver_host; /* (First) host for routed local deliveries */
225 /* Remote host for filter */
226 extern uschar *deliver_host_address; /* Address for remote delivery filter */
227 extern uschar *deliver_in_buffer; /* Buffer for copying file */
228 extern ino_t deliver_inode; /* Inode for appendfile */
229 extern uschar *deliver_localpart; /* The local part for delivery */
230 extern uschar *deliver_localpart_data; /* From local part lookup */
231 extern uschar *deliver_localpart_orig; /* The original local part for delivery */
232 extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
233 extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
234 extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
235 extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
236 extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
237 extern uschar *deliver_out_buffer; /* Buffer for copying file */
238 extern int deliver_queue_load_max; /* Different value for queue running */
239 extern address_item *deliver_recipients; /* Current set of addresses */
240 extern uschar *deliver_selectstring; /* For selecting by recipient */
241 extern BOOL deliver_selectstring_regex; /* String is regex */
242 extern uschar *deliver_selectstring_sender; /* For selecting by sender */
243 extern BOOL deliver_selectstring_sender_regex; /* String is regex */
244 #ifdef WITH_OLD_DEMIME
245 extern int demime_errorlevel; /* Severity of MIME error */
246 extern int demime_ok; /* Nonzero if message has been demimed */
247 extern uschar *demime_reason; /* Reason for broken MIME container */
249 extern BOOL disable_logging; /* Disables log writing when TRUE */
251 extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
252 extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
253 extern int dns_retrans; /* Retransmission time setting */
254 extern int dns_retry; /* Number of retries */
255 extern uschar *dnslist_domain; /* DNS (black) list domain */
256 extern uschar *dnslist_text; /* DNS (black) list text message */
257 extern uschar *dnslist_value; /* DNS (black) list IP address */
258 extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
259 extern int domainlist_count; /* Number defined */
260 extern BOOL dont_deliver; /* TRUE for -N option */
261 extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
263 /* This option is now a no-opt, retained for compatibility */
264 extern BOOL drop_cr; /* For broken local MUAs */
266 extern BOOL enable_dollar_recipients; /* Make $recipients available */
267 extern int envelope_to_remove; /* Remove envelope_to_headers */
268 extern int errno_quota; /* Quota errno in this OS */
269 extern int error_handling; /* Error handling style */
270 extern uschar *errors_copy; /* For taking copies of errors */
271 extern uschar *errors_reply_to; /* Reply-to for error messages */
272 extern int errors_sender_rc; /* Return after message to sender*/
273 extern gid_t exim_gid; /* To be used with exim_uid */
274 extern BOOL exim_gid_set; /* TRUE if exim_gid set */
275 extern uschar *exim_path; /* Path to exec exim */
276 extern uid_t exim_uid; /* Non-root uid for exim */
277 extern BOOL exim_uid_set; /* TRUE if exim_uid set */
278 extern int expand_forbid; /* RDO flags for forbidding things */
279 extern int expand_nlength[]; /* Lengths of numbered strings */
280 extern int expand_nmax; /* Max numerical value */
281 extern uschar *expand_nstring[]; /* Numbered strings */
282 extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
283 extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
284 extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
286 #ifdef WITH_CONTENT_SCAN
287 extern BOOL fake_reject; /* TRUE if fake reject is to be given */
289 extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
290 extern BOOL filter_running; /* TRUE while running a filter */
291 extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
292 extern uschar *filter_test; /* Run as a filter tester on this file */
293 extern uschar *filter_thisaddress; /* For address looping */
294 extern int finduser_retries; /* Retry count for getpwnam() */
295 extern uid_t fixed_never_users[]; /* Can't be overridden */
296 #ifdef WITH_OLD_DEMIME
297 extern uschar *found_extension; /* demime acl condition: file extension found */
299 extern uschar *freeze_tell; /* Message on (some) freezings */
300 extern uschar *fudged_queue_times; /* For use in test harness */
302 extern uschar *gecos_name; /* To be expanded when pattern matches */
303 extern uschar *gecos_pattern; /* Pattern to match */
304 extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
306 extern int header_insert_maxlen; /* Max for inserting headers */
307 extern int header_maxsize; /* Max total length for header */
308 extern int header_line_maxsize; /* Max for an individual line */
309 extern header_name header_names[]; /* Table of header names */
310 extern int header_names_size; /* Number of entries */
311 extern BOOL header_rewritten; /* TRUE if header changed by router */
312 extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
313 extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
314 extern uschar *helo_lookup_domains; /* If these given, lookup host name */
315 extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
316 extern BOOL helo_verified; /* True if HELO verified */
317 extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
318 extern uschar *hex_digits; /* Used in several places */
319 extern uschar *hold_domains; /* Hold up deliveries to these */
320 extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
321 extern BOOL host_checking_callout; /* TRUE if real callout wanted */
322 extern uschar *host_data; /* Obtained from lookup in ACL */
323 extern uschar *host_lookup; /* For which IP addresses are always looked up */
324 extern BOOL host_lookup_failed; /* TRUE if lookup failed */
325 extern uschar *host_lookup_order; /* Order of host lookup types */
326 extern uschar *host_lookup_msg; /* Text for why it failed */
327 extern int host_number; /* For sharing spools */
328 extern uschar *host_number_string; /* For expanding */
329 extern uschar *host_reject_connection; /* Reject these hosts */
330 extern tree_node *hostlist_anchor; /* Tree of defined host lists */
331 extern int hostlist_count; /* Number defined */
332 extern uschar *hosts_connection_nolog; /* Limits the logging option */
333 extern uschar *hosts_treat_as_local; /* For routing */
335 extern int ignore_bounce_errors_after; /* Keep them for this time. */
336 extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
337 extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
338 extern BOOL is_inetd; /* True for inetd calls */
340 extern int journal_fd; /* Fd for journal file */
342 extern int keep_malformed; /* Time to keep malformed messages */
344 extern uschar *eldap_dn; /* Where LDAP DNs are left */
345 extern int load_average; /* Most recently read load average */
346 extern BOOL local_error_message; /* True if handling one of these */
347 extern BOOL local_from_check; /* For adding Sender: (global value) */
348 extern uschar *local_from_prefix; /* Permitted prefixes */
349 extern uschar *local_from_suffix; /* Permitted suffixes */
350 extern uschar *local_interfaces; /* For forcing specific interfaces */
351 extern uschar *local_scan_data; /* Text returned by local_scan() */
352 extern optionlist local_scan_options[];/* Option list for local_scan() */
353 extern int local_scan_options_count; /* Size of the list */
354 extern int local_scan_timeout; /* Timeout for local_scan() */
355 extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
356 extern gid_t local_user_gid; /* As it says; may be set in routers */
357 extern uid_t local_user_uid; /* As it says; may be set in routers */
358 extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
359 extern int localpartlist_count; /* Number defined */
360 extern uschar *log_buffer; /* For constructing log entries */
361 extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
362 extern uschar *log_file_path; /* If unset, use default */
363 extern bit_table log_options[]; /* Table of options */
364 extern int log_options_count; /* Size of table */
365 extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
366 extern uschar *log_selector_string; /* As supplied in the config */
367 extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
368 extern BOOL log_testing_mode; /* TRUE in various testing modes */
369 extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
370 extern uschar *login_sender_address; /* The actual sender address */
371 extern lookup_info lookup_list[]; /* Vector of available lookups */
372 extern int lookup_list_count; /* Number of entries in the list */
373 extern int lookup_open_max; /* Max lookup files to cache */
374 extern uschar *lookup_value; /* Value looked up from file */
376 extern macro_item *macros; /* Configuration macros */
377 extern uschar *mailstore_basename; /* For mailstore deliveries */
378 #ifdef WITH_CONTENT_SCAN
379 extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
381 extern int max_username_length; /* For systems with broken getpwnam() */
382 extern int message_age; /* In seconds */
383 extern uschar *message_body; /* Start of message body for filter */
384 extern uschar *message_body_end; /* End of message body for filter */
385 extern int message_body_size; /* Sic */
386 extern int message_body_visible; /* Amount visible in message_body */
387 extern int message_ended; /* State of message reading and how ended */
388 extern uschar *message_headers; /* When built */
389 extern uschar message_id_option[]; /* -E<message-id> for use as option */
390 extern uschar *message_id_external; /* External form of following */
391 extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
392 extern uschar *message_id_text; /* Expanded to form message_id */
393 extern struct timeval message_id_tv; /* Time used to create last message_id */
394 extern int message_linecount; /* As it says */
395 extern BOOL message_logs; /* TRUE to write message logs */
396 extern int message_size; /* Size of message */
397 extern uschar *message_size_limit; /* As it says */
398 extern uschar message_subdir[]; /* Subdirectory for messages */
399 extern uschar *message_reference; /* Reference for error messages */
401 /* MIME ACL expandables */
402 #ifdef WITH_CONTENT_SCAN
403 extern uschar *mime_anomaly_level;
404 extern uschar *mime_anomaly_text;
405 extern uschar *mime_boundary;
406 extern uschar *mime_charset;
407 extern uschar *mime_content_description;
408 extern uschar *mime_content_disposition;
409 extern uschar *mime_content_id;
410 extern unsigned int mime_content_size;
411 extern uschar *mime_content_transfer_encoding;
412 extern uschar *mime_content_type;
413 extern uschar *mime_decoded_filename;
414 extern uschar *mime_filename;
415 extern int mime_is_multipart;
416 extern int mime_is_coverletter;
417 extern int mime_is_rfc822;
418 extern int mime_part_count;
421 extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
423 extern uid_t *never_users; /* List of uids never to be used */
424 #ifdef WITH_CONTENT_SCAN
425 extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
427 extern BOOL no_multiline_responses; /* For broken clients */
429 extern optionlist optionlist_auths[]; /* These option lists are made */
430 extern int optionlist_auths_size; /* global so that readconf can */
431 extern optionlist optionlist_routers[]; /* see them for printing out */
432 extern int optionlist_routers_size; /* the options. */
433 extern optionlist optionlist_transports[];
434 extern int optionlist_transports_size;
436 extern uid_t original_euid; /* Original effective uid */
437 extern gid_t originator_gid; /* Gid of whoever wrote spool file */
438 extern uschar *originator_login; /* Login of same */
439 extern uschar *originator_name; /* Full name of same */
440 extern uid_t originator_uid; /* Uid of ditto */
441 extern uschar *override_local_interfaces; /* Value of -oX argument */
442 extern uschar *override_pid_file_path; /* Value of -oP argument */
444 extern BOOL parse_allow_group; /* Allow group syntax */
445 extern BOOL parse_found_group; /* In the middle of a group */
446 extern uschar *percent_hack_domains; /* Local domains for which '% operates */
447 extern uschar *pid_file_path; /* For writing daemon pids */
448 extern uschar *pipelining_advertise_hosts; /* As it says */
449 extern BOOL preserve_message_logs; /* Save msglog files */
450 extern uschar *primary_hostname; /* Primary name of this computer */
451 extern BOOL print_topbitchars; /* Topbit chars are printing chars */
452 extern uschar process_info[]; /* For SIGUSR1 output */
453 extern uschar *process_log_path; /* Alternate path */
454 extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
456 extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
457 extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
458 extern BOOL queue_2stage; /* Run queue in 2-stage manner */
459 extern uschar *queue_domains; /* Queue these domains */
460 extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
461 extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
462 extern BOOL queue_run_force; /* TRUE to force during queue run */
463 extern BOOL queue_run_local; /* Local deliveries only in queue run */
464 extern BOOL queue_running; /* TRUE for queue running process and */
465 /* immediate children */
466 extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
467 extern int queue_run_pipe; /* Pipe for synchronizing */
468 extern int queue_interval; /* Queue running interval */
469 extern BOOL queue_only; /* TRUE to disable immediate delivery */
470 extern int queue_only_load; /* Max load before auto-queue */
471 extern uschar *queue_only_file; /* Queue if file exists/not-exists */
472 extern BOOL queue_only_override; /* Allow override from command line */
473 extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
474 extern BOOL queue_run_in_order; /* As opposed to random */
475 extern int queue_run_max; /* Max queue runners */
476 extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
477 extern uschar *queue_smtp_domains; /* Ditto, for these domains */
479 extern unsigned int random_seed; /* Seed for random numbers */
480 extern uschar *raw_active_hostname; /* Pre-expansion */
481 extern uschar *raw_sender; /* Before rewriting */
482 extern uschar **raw_recipients; /* Before rewriting */
483 extern int raw_recipients_count;
484 extern int rcpt_count; /* Count of RCPT commands in a message */
485 extern int rcpt_fail_count; /* Those that got 5xx */
486 extern int rcpt_defer_count; /* Those that got 4xx */
487 extern gid_t real_gid; /* Real gid */
488 extern uid_t real_uid; /* Real user running program */
489 extern BOOL really_exim; /* FALSE in utilities */
490 extern BOOL receive_call_bombout; /* Flag for crashing log */
491 extern int receive_linecount; /* Mainly for BSMTP errors */
492 extern int receive_messagecount; /* Mainly for BSMTP errors */
493 extern int receive_timeout; /* For non-SMTP acceptance */
494 extern int received_count; /* Count of Received: headers */
495 extern uschar *received_for; /* For "for" field */
496 extern uschar *received_header_text; /* Definition of Received: header */
497 extern int received_headers_max; /* Max count of Received: headers */
498 extern int received_time; /* Time the message was received */
499 extern uschar *recipient_data; /* lookup data for recipients */
500 extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
501 extern uschar *recipient_verify_failure; /* What went wrong */
502 extern BOOL recipients_discarded; /* By an ACL */
503 extern int recipients_list_max; /* Maximum number fitting in list */
504 extern int recipients_max; /* Max permitted */
505 extern int recipients_max_reject; /* If TRUE, reject whole message */
506 extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
507 extern const pcre *regex_check_dns_names; /* For DNS name checking */
508 extern const pcre *regex_From; /* For recognizing "From_" lines */
509 extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
510 extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
511 extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
512 #ifdef WITH_CONTENT_SCAN
513 extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
515 extern int remote_delivery_count; /* Number of remote addresses */
516 extern int remote_max_parallel; /* Maximum parallel delivery */
517 extern uschar *remote_sort_domains; /* Remote domain sorting order */
518 extern retry_config *retries; /* Chain of retry config information */
519 extern int retry_data_expire; /* When to expire retry data */
520 extern int retry_interval_max; /* Absolute maximum */
521 extern int retry_maximum_timeout; /* The maximum timeout */
522 extern uschar *return_path; /* Return path for a message */
523 extern BOOL return_path_remove; /* Remove return-path headers */
524 extern int rewrite_existflags; /* Indicate which headers have rewrites */
525 extern uschar *rfc1413_hosts; /* RFC hosts */
526 extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
527 /* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
528 extern uid_t root_uid; /* The uid for root */
529 extern router_info routers_available[];/* Vector of available routers */
530 extern router_instance *routers; /* Chain of instantiated routers */
531 extern router_instance router_defaults;/* Default values */
532 extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
533 extern ip_address_item *running_interfaces; /* Host's running interfaces */
534 extern uschar *running_status; /* Flag string for testing */
535 extern int runrc; /* rc from ${run} */
537 extern uschar *search_error_message; /* Details of lookup problem */
538 extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
539 extern uschar *self_hostname; /* Self host after routing->directors */
540 extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
541 extern uschar *sender_address_data; /* address_data from sender verify */
542 extern BOOL sender_address_forced; /* Set by -f */
543 extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
544 extern uschar *sender_data; /* lookup result for senders */
545 extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
546 extern uschar *sender_fullhost; /* Sender host name + address */
547 extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
548 extern uschar **sender_host_aliases; /* Points to list of alias names */
549 extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
550 extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
551 extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
552 extern uschar *sender_ident; /* Sender identity via RFC 1413 */
553 extern BOOL sender_local; /* TRUE for local senders */
554 extern uschar *sender_rcvhost; /* Host data for Received: */
555 extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
556 extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
557 extern uschar *sender_verify_failure; /* What went wrong */
558 extern address_item *sender_verified_list; /* Saved chain of sender verifies */
559 extern address_item *sender_verified_failed; /* The one that caused denial */
560 extern volatile BOOL sigalrm_seen; /* Flag for sigalrm_handler */
561 extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
562 extern int smtp_accept_count; /* Count of connections */
563 extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
564 extern int smtp_accept_max; /* Max SMTP connections */
565 extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
566 extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
567 extern int smtp_accept_max_per_connection; /* Max msgs per connection */
568 extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
569 extern int smtp_accept_queue; /* Queue after so many connections */
570 extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
571 extern int smtp_accept_reserve; /* Reserve these SMTP connections */
572 extern uschar *smtp_active_hostname; /* Hostname for this message */
573 extern BOOL smtp_authenticated; /* Sending client has authenticated */
574 extern uschar *smtp_banner; /* Banner string (to be expanded) */
575 extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
576 extern uschar *smtp_command_argument; /* When running certain ACLs */
577 extern int smtp_connect_backlog; /* Max backlog permitted */
578 extern double smtp_delay_mail; /* Current MAIL delay */
579 extern double smtp_delay_rcpt; /* Current RCPT delay */
580 extern BOOL smtp_enforce_sync; /* Enforce sync rules */
581 extern uschar *smtp_etrn_command; /* Command to run */
582 extern BOOL smtp_etrn_serialize; /* Only one at once */
583 extern FILE *smtp_in; /* Incoming SMTP input file */
584 extern int smtp_load_reserve; /* Only from reserved if load > this */
585 extern int smtp_mailcmd_count; /* Count of MAIL commands */
586 extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
587 extern int smtp_max_unknown_commands; /* As it says */
588 extern FILE *smtp_out; /* Incoming SMTP output file */
589 extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
590 extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
591 extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
592 extern uschar *smtp_read_error; /* Message for SMTP input error */
593 extern int smtp_receive_timeout; /* Applies to each received line */
594 extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
595 extern BOOL smtp_return_error_details; /* TRUE to return full info */
596 extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
597 extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
598 extern int smtp_rlm_limit; /* Max delay */
599 extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
600 extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
601 extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
602 extern int smtp_rlr_limit; /* Max delay */
603 extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
604 extern BOOL smtp_use_pipelining; /* Global for passed connections */
605 extern BOOL smtp_use_size; /* Global for passed connections */
607 #ifdef WITH_CONTENT_SCAN
608 extern uschar *spamd_address; /* address for the spamassassin daemon */
609 extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
610 extern uschar *spam_report; /* the spamd report (multiline) */
611 extern uschar *spam_score; /* the spam score (float) */
612 extern uschar *spam_score_int; /* spam_score * 10 (int) */
615 extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
616 extern uschar *spool_directory; /* Name of spool directory */
617 extern int string_datestamp_offset;/* After insertion by string_format */
618 extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
619 extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
620 extern uschar *submission_domain; /* Domain for submission mode */
621 extern BOOL submission_mode; /* Can be forced from ACL */
622 extern BOOL synchronous_delivery; /* TRUE if -odi is set */
623 extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
624 extern int syslog_facility; /* As defined by Syslog.h */
625 extern uschar *syslog_processname; /* 'ident' param to openlog() */
626 extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
627 extern uschar *system_filter; /* Name of system filter file */
629 extern uschar *system_filter_directory_transport; /* Transports for the */
630 extern uschar *system_filter_file_transport; /* system filter */
631 extern uschar *system_filter_pipe_transport;
632 extern uschar *system_filter_reply_transport;
634 extern gid_t system_filter_gid; /* Gid for running system filter */
635 extern BOOL system_filter_gid_set; /* TRUE if gid set */
636 extern uid_t system_filter_uid; /* Uid for running system filter */
637 extern BOOL system_filter_uid_set; /* TRUE if uid set */
638 extern BOOL system_filtering; /* TRUE when running system filter */
640 extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
641 extern int thismessage_size_limit; /* Limit for this message */
642 extern int timeout_frozen_after; /* Max time to keep frozen messages */
643 extern BOOL timestamps_utc; /* Use UTC for all times */
644 extern int transport_count; /* Count of bytes transported */
645 extern uschar **transport_filter_argv; /* For on-the-fly filtering */
646 extern int transport_filter_timeout; /* Timeout for same */
648 extern transport_info transports_available[]; /* Vector of available transports */
649 extern transport_instance *transports; /* Chain of instantiated transports */
650 extern transport_instance transport_defaults; /* Default values */
652 extern int transport_write_timeout;/* Set to time out individual writes */
654 extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
655 extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
656 extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
657 extern tree_node *tree_unusable; /* Tree of unusable addresses */
659 extern BOOL trusted_caller; /* Caller is trusted */
660 extern gid_t *trusted_groups; /* List of trusted groups */
661 extern uid_t *trusted_users; /* List of trusted users */
662 extern uschar *timezone_string; /* Required timezone setting */
664 extern uschar *unknown_login; /* To use when login id unknown */
665 extern uschar *unknown_username; /* Ditto */
666 extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
667 extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
668 extern uschar *uucp_from_sender; /* For building the sender */
670 extern uschar *warn_message_file; /* Template for warning messages */
671 extern uschar *warnmsg_delay; /* String form of delay time */
672 extern uschar *warnmsg_recipients; /* Recipients of warning message */
673 extern BOOL write_rejectlog; /* Control of reject logging */
675 extern uschar *version_copyright; /* Copyright notice */
676 extern uschar *version_date; /* Date of compilation */
677 extern uschar *version_cnumber; /* Compile number */
678 extern uschar *version_string; /* Version string */
680 extern int warning_count; /* Delay warnings sent for this msg */
682 /* End of globals.h */
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