1 /* $Cambridge: exim/src/src/globals.h,v 1.13 2005/03/22 14:11:54 ph10 Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2005 */
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 */
54 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
55 extern BOOL move_frozen_messages; /* Get them out of the normal directory */
58 /* These variables are outside the #ifdef because it keeps the code less
59 cluttered in several places (e.g. during logging) if we can always refer to
60 them. Also, the tls_ variables are now always visible. */
62 extern int tls_active; /* fd/socket when in a TLS session */
63 extern BOOL tls_certificate_verified; /* Client certificate verified */
64 extern uschar *tls_cipher; /* Cipher used */
65 extern BOOL tls_on_connect; /* For older MTAs that don't STARTTLS */
66 extern uschar *tls_on_connect_ports; /* Ports always tls-on-connect */
67 extern uschar *tls_peerdn; /* DN from peer */
70 extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
71 extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
72 extern uschar *tls_certificate; /* Certificate file */
73 extern uschar *tls_crl; /* CRL File */
74 extern uschar *tls_dhparam; /* DH param file */
75 extern BOOL tls_offered; /* Server offered TLS */
76 extern uschar *tls_privatekey; /* Private key file */
77 extern BOOL tls_remember_esmtp; /* For YAEB */
78 extern uschar *tls_require_ciphers; /* So some can be avoided */
79 extern uschar *tls_try_verify_hosts; /* Optional client verification */
80 extern uschar *tls_verify_certificates;/* Path for certificates to check */
81 extern uschar *tls_verify_hosts; /* Mandatory client verification */
85 /* Input-reading functions for messages, so we can use special ones for
88 extern int (*receive_getc)(void);
89 extern int (*receive_ungetc)(int);
90 extern int (*receive_feof)(void);
91 extern int (*receive_ferror)(void);
94 /* For clearing, saving, restoring address expansion variables. We have to have
95 the size of this vector set explicitly, because it is referenced from more than
98 extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
100 /* General global variables */
102 extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
103 extern tree_node *acl_anchor; /* Tree of named ACLs */
104 extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
105 extern uschar *acl_smtp_auth; /* ACL run for AUTH */
106 extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
107 extern uschar *acl_smtp_data; /* ACL run after DATA received */
108 extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
109 extern uschar *acl_smtp_expn; /* ACL run for EXPN */
110 extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
111 extern uschar *acl_smtp_mail; /* ACL run for MAIL */
112 extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
113 #ifdef WITH_CONTENT_SCAN
114 extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
116 extern uschar *acl_smtp_predata; /* ACL run for DATA command */
117 extern uschar *acl_smtp_quit; /* ACL run for QUIT */
118 extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
119 extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
120 extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
121 extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
122 extern uschar *acl_var[ACL_C_MAX+ACL_M_MAX]; /* User variables */
123 extern uschar *acl_verify_message; /* User message for verify failure */
124 extern header_line *acl_warn_headers; /* Warning headers added by ACL */
125 extern string_item *acl_warn_logged; /* Logged lines */
126 extern int acl_wherecodes[]; /* Response codes for ACL fails */
127 extern uschar *acl_wherenames[]; /* Names for messages */
128 extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
129 extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
130 extern address_item *addr_duplicate; /* Duplicate address list */
131 extern address_item address_defaults; /* Default data for address item */
132 extern uschar *address_file; /* Name of file when delivering to one */
133 extern uschar *address_pipe; /* Pipe command when delivering to one */
134 extern BOOL address_test_mode; /* True for -bt */
135 extern tree_node *addresslist_anchor; /* Tree of defined address lists */
136 extern int addresslist_count; /* Number defined */
137 extern gid_t *admin_groups; /* List of admin groups */
138 extern BOOL admin_user; /* True if caller can do admin */
139 extern BOOL allow_domain_literals; /* As it says */
140 extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
141 extern BOOL allow_unqualified_recipient; /* As it says */
142 extern BOOL allow_unqualified_sender; /* Ditto */
143 extern BOOL allow_utf8_domains; /* For experimenting */
144 extern uschar *authenticated_id; /* ID that was authenticated */
145 extern uschar *authenticated_sender; /* From AUTH on MAIL */
146 extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
147 extern uschar *auth_advertise_hosts; /* Only advertise to these */
148 extern auth_info auths_available[]; /* Vector of available auth mechanisms */
149 extern auth_instance *auths; /* Chain of instantiated auths */
150 extern auth_instance auth_defaults; /* Default values */
151 extern uschar *auth_defer_msg; /* Error message for log */
152 extern uschar *auth_defer_user_msg; /* Error message for user */
153 extern int auto_thaw; /* Auto-thaw interval */
154 #ifdef WITH_CONTENT_SCAN
155 extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
158 extern BOOL background_daemon; /* Set FALSE to keep in foreground */
159 extern uschar *base62_chars; /* Table of base-62 characters */
160 extern uschar *bi_command; /* Command for -bi option */
161 extern uschar *big_buffer; /* Used for various temp things */
162 extern int big_buffer_size; /* Current size (can expand) */
163 #ifdef EXPERIMENTAL_BRIGHTMAIL
164 extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
165 extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
166 extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
167 extern uschar *bmi_config_file; /* Brightmail config file */
168 extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
169 extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
170 extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
172 extern int body_linecount; /* Line count in body */
173 extern int body_zerocount; /* Binary zero count in body */
174 extern uschar *bounce_message_file; /* Template file */
175 extern uschar *bounce_message_text; /* One-liner */
176 extern uschar *bounce_recipient; /* When writing an errmsg */
177 extern BOOL bounce_return_body; /* Include body in returned message */
178 extern BOOL bounce_return_message; /* Include message in bounce */
179 extern int bounce_return_size_limit; /* Max amount to return */
180 extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
181 extern int bsmtp_transaction_linecount; /* Start of last transaction */
183 extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
184 extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
185 extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
186 extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
187 extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
188 extern uschar *check_dns_names_pattern;/* Regex for syntax check */
189 extern int check_log_inodes; /* Minimum for message acceptance */
190 extern int check_log_space; /* Minimum for message acceptance */
191 extern int check_spool_inodes; /* Minimum for message acceptance */
192 extern int check_spool_space; /* Minimum for message acceptance */
193 extern int clmacro_count; /* Number of command line macros */
194 extern uschar *clmacros[]; /* Copy of them, for re-exec */
195 extern int connection_max_messages;/* Max down one SMTP connection */
196 extern BOOL config_changed; /* True if -C used */
197 extern FILE *config_file; /* Configuration file */
198 extern uschar *config_filename; /* Configuration file name */
199 #ifdef CONFIGURE_GROUP
200 extern gid_t config_gid; /* Additional group owner */
202 extern int config_lineno; /* Line number */
203 extern uschar *config_main_filelist; /* List of possible config files */
204 extern uschar *config_main_filename; /* File name actually used */
205 #ifdef CONFIGURE_OWNER
206 extern uid_t config_uid; /* Additional owner */
208 extern uschar *continue_hostname; /* Host for continued delivery */
209 extern uschar *continue_host_address; /* IP address for ditto */
210 extern BOOL continue_more; /* Flag more addresses waiting */
211 extern int continue_sequence; /* Sequence num for continued delivery */
212 extern uschar *continue_transport; /* Transport for continued delivery */
214 extern BOOL daemon_listen; /* True if listening required */
215 extern uschar *daemon_smtp_port; /* Can be a list of ports */
216 extern BOOL debug_daemon; /* Debug the daemon process only */
217 extern int debug_fd; /* The fd for debug_file */
218 extern FILE *debug_file; /* Where to write debugging info */
219 extern bit_table debug_options[]; /* Table of debug options */
220 extern int debug_options_count; /* Size of table */
221 extern int delay_warning[]; /* Times between warnings */
222 extern uschar *delay_warning_condition; /* Condition string for warnings */
223 extern BOOL delivery_date_remove; /* Remove delivery-date headers */
225 extern uschar *deliver_address_data; /* Arbitrary data for an address */
226 extern int deliver_datafile; /* FD for data part of message */
227 extern uschar *deliver_domain; /* The local domain for delivery */
228 extern uschar *deliver_domain_data; /* From domain lookup */
229 extern uschar *deliver_domain_orig; /* The original local domain for delivery */
230 extern uschar *deliver_domain_parent; /* The parent domain for delivery */
231 extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
232 extern BOOL deliver_firsttime; /* True for first delivery attempt */
233 extern BOOL deliver_force; /* TRUE if delivery was forced */
234 extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
235 extern int deliver_frozen_at; /* Time of freezing */
236 extern uschar *deliver_home; /* Home directory for pipes */
237 extern uschar *deliver_host; /* (First) host for routed local deliveries */
238 /* Remote host for filter */
239 extern uschar *deliver_host_address; /* Address for remote delivery filter */
240 extern uschar *deliver_in_buffer; /* Buffer for copying file */
241 extern ino_t deliver_inode; /* Inode for appendfile */
242 extern uschar *deliver_localpart; /* The local part for delivery */
243 extern uschar *deliver_localpart_data; /* From local part lookup */
244 extern uschar *deliver_localpart_orig; /* The original local part for delivery */
245 extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
246 extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
247 extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
248 extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
249 extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
250 extern uschar *deliver_out_buffer; /* Buffer for copying file */
251 extern int deliver_queue_load_max; /* Different value for queue running */
252 extern address_item *deliver_recipients; /* Current set of addresses */
253 extern uschar *deliver_selectstring; /* For selecting by recipient */
254 extern BOOL deliver_selectstring_regex; /* String is regex */
255 extern uschar *deliver_selectstring_sender; /* For selecting by sender */
256 extern BOOL deliver_selectstring_sender_regex; /* String is regex */
257 #ifdef WITH_OLD_DEMIME
258 extern int demime_errorlevel; /* Severity of MIME error */
259 extern int demime_ok; /* Nonzero if message has been demimed */
260 extern uschar *demime_reason; /* Reason for broken MIME container */
262 extern BOOL disable_logging; /* Disables log writing when TRUE */
264 #ifdef EXPERIMENTAL_DOMAINKEYS
265 extern uschar *dk_signing_domain; /* Domain used for signing a message. */
266 extern uschar *dk_signing_selector; /* Selector used for signing a message. */
267 extern int dk_do_verify; /* DK verification switch. Set with ACL control statement. */
270 extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
271 extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
272 extern int dns_retrans; /* Retransmission time setting */
273 extern int dns_retry; /* Number of retries */
274 extern uschar *dnslist_domain; /* DNS (black) list domain */
275 extern uschar *dnslist_text; /* DNS (black) list text message */
276 extern uschar *dnslist_value; /* DNS (black) list IP address */
277 extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
278 extern int domainlist_count; /* Number defined */
279 extern BOOL dont_deliver; /* TRUE for -N option */
280 extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
282 /* This option is now a no-opt, retained for compatibility */
283 extern BOOL drop_cr; /* For broken local MUAs */
285 extern BOOL enable_dollar_recipients; /* Make $recipients available */
286 extern int envelope_to_remove; /* Remove envelope_to_headers */
287 extern int errno_quota; /* Quota errno in this OS */
288 extern int error_handling; /* Error handling style */
289 extern uschar *errors_copy; /* For taking copies of errors */
290 extern uschar *errors_reply_to; /* Reply-to for error messages */
291 extern int errors_sender_rc; /* Return after message to sender*/
292 extern gid_t exim_gid; /* To be used with exim_uid */
293 extern BOOL exim_gid_set; /* TRUE if exim_gid set */
294 extern uschar *exim_path; /* Path to exec exim */
295 extern uid_t exim_uid; /* Non-root uid for exim */
296 extern BOOL exim_uid_set; /* TRUE if exim_uid set */
297 extern int expand_forbid; /* RDO flags for forbidding things */
298 extern int expand_nlength[]; /* Lengths of numbered strings */
299 extern int expand_nmax; /* Max numerical value */
300 extern uschar *expand_nstring[]; /* Numbered strings */
301 extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
302 extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
303 extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
305 extern BOOL fake_reject; /* TRUE if fake reject is to be given */
306 extern uschar *fake_reject_text; /* Option for the fakereject control statement: can contain user defined message. Default is in globals.c. */
307 extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
308 extern BOOL filter_running; /* TRUE while running a filter */
309 extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
310 extern int filter_test; /* Filter test type */
311 extern uschar *filter_test_sfile; /* System filter test file */
312 extern uschar *filter_test_ufile; /* User filter test file */
313 extern uschar *filter_thisaddress; /* For address looping */
314 extern int finduser_retries; /* Retry count for getpwnam() */
315 extern uid_t fixed_never_users[]; /* Can't be overridden */
316 #ifdef WITH_OLD_DEMIME
317 extern uschar *found_extension; /* demime acl condition: file extension found */
319 extern uschar *freeze_tell; /* Message on (some) freezings */
320 extern uschar *fudged_queue_times; /* For use in test harness */
322 extern uschar *gecos_name; /* To be expanded when pattern matches */
323 extern uschar *gecos_pattern; /* Pattern to match */
324 extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
326 extern int header_insert_maxlen; /* Max for inserting headers */
327 extern int header_maxsize; /* Max total length for header */
328 extern int header_line_maxsize; /* Max for an individual line */
329 extern header_name header_names[]; /* Table of header names */
330 extern int header_names_size; /* Number of entries */
331 extern BOOL header_rewritten; /* TRUE if header changed by router */
332 extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
333 extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
334 extern uschar *helo_lookup_domains; /* If these given, lookup host name */
335 extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
336 extern BOOL helo_verified; /* True if HELO verified */
337 extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
338 extern uschar *hex_digits; /* Used in several places */
339 extern uschar *hold_domains; /* Hold up deliveries to these */
340 extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
341 extern BOOL host_checking_callout; /* TRUE if real callout wanted */
342 extern uschar *host_data; /* Obtained from lookup in ACL */
343 extern uschar *host_lookup; /* For which IP addresses are always looked up */
344 extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
345 extern BOOL host_lookup_failed; /* TRUE if lookup failed */
346 extern uschar *host_lookup_order; /* Order of host lookup types */
347 extern uschar *host_lookup_msg; /* Text for why it failed */
348 extern int host_number; /* For sharing spools */
349 extern uschar *host_number_string; /* For expanding */
350 extern uschar *host_reject_connection; /* Reject these hosts */
351 extern tree_node *hostlist_anchor; /* Tree of defined host lists */
352 extern int hostlist_count; /* Number defined */
353 extern uschar *hosts_connection_nolog; /* Limits the logging option */
354 extern uschar *hosts_treat_as_local; /* For routing */
356 extern int ignore_bounce_errors_after; /* Keep them for this time. */
357 extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
358 extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
359 extern BOOL is_inetd; /* True for inetd calls */
361 extern int journal_fd; /* Fd for journal file */
363 extern int keep_malformed; /* Time to keep malformed messages */
365 extern uschar *eldap_dn; /* Where LDAP DNs are left */
366 extern int load_average; /* Most recently read load average */
367 extern BOOL local_error_message; /* True if handling one of these */
368 extern BOOL local_from_check; /* For adding Sender: (global value) */
369 extern uschar *local_from_prefix; /* Permitted prefixes */
370 extern uschar *local_from_suffix; /* Permitted suffixes */
371 extern uschar *local_interfaces; /* For forcing specific interfaces */
372 extern uschar *local_scan_data; /* Text returned by local_scan() */
373 extern optionlist local_scan_options[];/* Option list for local_scan() */
374 extern int local_scan_options_count; /* Size of the list */
375 extern int local_scan_timeout; /* Timeout for local_scan() */
376 extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
377 extern gid_t local_user_gid; /* As it says; may be set in routers */
378 extern uid_t local_user_uid; /* As it says; may be set in routers */
379 extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
380 extern int localpartlist_count; /* Number defined */
381 extern uschar *log_buffer; /* For constructing log entries */
382 extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
383 extern uschar *log_file_path; /* If unset, use default */
384 extern bit_table log_options[]; /* Table of options */
385 extern int log_options_count; /* Size of table */
386 extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
387 extern uschar *log_selector_string; /* As supplied in the config */
388 extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
389 extern BOOL log_testing_mode; /* TRUE in various testing modes */
390 extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
391 extern uschar *login_sender_address; /* The actual sender address */
392 extern lookup_info lookup_list[]; /* Vector of available lookups */
393 extern int lookup_list_count; /* Number of entries in the list */
394 extern int lookup_open_max; /* Max lookup files to cache */
395 extern uschar *lookup_value; /* Value looked up from file */
397 extern macro_item *macros; /* Configuration macros */
398 extern uschar *mailstore_basename; /* For mailstore deliveries */
399 #ifdef WITH_CONTENT_SCAN
400 extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
402 extern int max_username_length; /* For systems with broken getpwnam() */
403 extern int message_age; /* In seconds */
404 extern uschar *message_body; /* Start of message body for filter */
405 extern uschar *message_body_end; /* End of message body for filter */
406 extern int message_body_size; /* Sic */
407 extern int message_body_visible; /* Amount visible in message_body */
408 extern int message_ended; /* State of message reading and how ended */
409 extern uschar *message_headers; /* When built */
410 extern uschar message_id_option[]; /* -E<message-id> for use as option */
411 extern uschar *message_id_external; /* External form of following */
412 extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
413 extern uschar *message_id_text; /* Expanded to form message_id */
414 extern struct timeval message_id_tv; /* Time used to create last message_id */
415 extern int message_linecount; /* As it says */
416 extern BOOL message_logs; /* TRUE to write message logs */
417 extern int message_size; /* Size of message */
418 extern uschar *message_size_limit; /* As it says */
419 extern uschar message_subdir[]; /* Subdirectory for messages */
420 extern uschar *message_reference; /* Reference for error messages */
422 /* MIME ACL expandables */
423 #ifdef WITH_CONTENT_SCAN
424 extern int mime_anomaly_level;
425 extern uschar *mime_anomaly_text;
426 extern uschar *mime_boundary;
427 extern uschar *mime_charset;
428 extern uschar *mime_content_description;
429 extern uschar *mime_content_disposition;
430 extern uschar *mime_content_id;
431 extern unsigned int mime_content_size;
432 extern uschar *mime_content_transfer_encoding;
433 extern uschar *mime_content_type;
434 extern uschar *mime_decoded_filename;
435 extern uschar *mime_filename;
436 extern int mime_is_multipart;
437 extern int mime_is_coverletter;
438 extern int mime_is_rfc822;
439 extern int mime_part_count;
442 extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
444 extern uid_t *never_users; /* List of uids never to be used */
445 #ifdef WITH_CONTENT_SCAN
446 extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
448 extern BOOL no_multiline_responses; /* For broken clients */
450 extern optionlist optionlist_auths[]; /* These option lists are made */
451 extern int optionlist_auths_size; /* global so that readconf can */
452 extern optionlist optionlist_routers[]; /* see them for printing out */
453 extern int optionlist_routers_size; /* the options. */
454 extern optionlist optionlist_transports[];
455 extern int optionlist_transports_size;
457 extern uid_t original_euid; /* Original effective uid */
458 extern gid_t originator_gid; /* Gid of whoever wrote spool file */
459 extern uschar *originator_login; /* Login of same */
460 extern uschar *originator_name; /* Full name of same */
461 extern uid_t originator_uid; /* Uid of ditto */
462 extern uschar *override_local_interfaces; /* Value of -oX argument */
463 extern uschar *override_pid_file_path; /* Value of -oP argument */
465 extern BOOL parse_allow_group; /* Allow group syntax */
466 extern BOOL parse_found_group; /* In the middle of a group */
467 extern uschar *percent_hack_domains; /* Local domains for which '% operates */
468 extern uschar *pid_file_path; /* For writing daemon pids */
469 extern uschar *pipelining_advertise_hosts; /* As it says */
470 extern BOOL preserve_message_logs; /* Save msglog files */
471 extern uschar *primary_hostname; /* Primary name of this computer */
472 extern BOOL print_topbitchars; /* Topbit chars are printing chars */
473 extern uschar process_info[]; /* For SIGUSR1 output */
474 extern uschar *process_log_path; /* Alternate path */
475 extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
477 extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
478 extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
479 extern BOOL queue_2stage; /* Run queue in 2-stage manner */
480 extern uschar *queue_domains; /* Queue these domains */
481 extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
482 extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
483 extern BOOL queue_run_force; /* TRUE to force during queue run */
484 extern BOOL queue_run_local; /* Local deliveries only in queue run */
485 extern BOOL queue_running; /* TRUE for queue running process and */
486 /* immediate children */
487 extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
488 extern int queue_run_pipe; /* Pipe for synchronizing */
489 extern int queue_interval; /* Queue running interval */
490 extern BOOL queue_only; /* TRUE to disable immediate delivery */
491 extern int queue_only_load; /* Max load before auto-queue */
492 extern uschar *queue_only_file; /* Queue if file exists/not-exists */
493 extern BOOL queue_only_override; /* Allow override from command line */
494 extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
495 extern BOOL queue_run_in_order; /* As opposed to random */
496 extern int queue_run_max; /* Max queue runners */
497 extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
498 extern uschar *queue_smtp_domains; /* Ditto, for these domains */
500 extern unsigned int random_seed; /* Seed for random numbers */
501 extern uschar *raw_active_hostname; /* Pre-expansion */
502 extern uschar *raw_sender; /* Before rewriting */
503 extern uschar **raw_recipients; /* Before rewriting */
504 extern int raw_recipients_count;
505 extern int rcpt_count; /* Count of RCPT commands in a message */
506 extern int rcpt_fail_count; /* Those that got 5xx */
507 extern int rcpt_defer_count; /* Those that got 4xx */
508 extern gid_t real_gid; /* Real gid */
509 extern uid_t real_uid; /* Real user running program */
510 extern BOOL really_exim; /* FALSE in utilities */
511 extern BOOL receive_call_bombout; /* Flag for crashing log */
512 extern int receive_linecount; /* Mainly for BSMTP errors */
513 extern int receive_messagecount; /* Mainly for BSMTP errors */
514 extern int receive_timeout; /* For non-SMTP acceptance */
515 extern int received_count; /* Count of Received: headers */
516 extern uschar *received_for; /* For "for" field */
517 extern uschar *received_header_text; /* Definition of Received: header */
518 extern int received_headers_max; /* Max count of Received: headers */
519 extern int received_time; /* Time the message was received */
520 extern uschar *recipient_data; /* lookup data for recipients */
521 extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
522 extern uschar *recipient_verify_failure; /* What went wrong */
523 extern BOOL recipients_discarded; /* By an ACL */
524 extern int recipients_list_max; /* Maximum number fitting in list */
525 extern int recipients_max; /* Max permitted */
526 extern int recipients_max_reject; /* If TRUE, reject whole message */
527 extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
528 extern const pcre *regex_check_dns_names; /* For DNS name checking */
529 extern const pcre *regex_From; /* For recognizing "From_" lines */
530 extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
531 extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
532 extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
533 #ifdef WITH_CONTENT_SCAN
534 extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
536 extern int remote_delivery_count; /* Number of remote addresses */
537 extern int remote_max_parallel; /* Maximum parallel delivery */
538 extern uschar *remote_sort_domains; /* Remote domain sorting order */
539 extern retry_config *retries; /* Chain of retry config information */
540 extern int retry_data_expire; /* When to expire retry data */
541 extern int retry_interval_max; /* Absolute maximum */
542 extern int retry_maximum_timeout; /* The maximum timeout */
543 extern uschar *return_path; /* Return path for a message */
544 extern BOOL return_path_remove; /* Remove return-path headers */
545 extern int rewrite_existflags; /* Indicate which headers have rewrites */
546 extern uschar *rfc1413_hosts; /* RFC hosts */
547 extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
548 /* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
549 extern uid_t root_uid; /* The uid for root */
550 extern router_info routers_available[];/* Vector of available routers */
551 extern router_instance *routers; /* Chain of instantiated routers */
552 extern router_instance router_defaults;/* Default values */
553 extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
554 extern ip_address_item *running_interfaces; /* Host's running interfaces */
555 extern uschar *running_status; /* Flag string for testing */
556 extern int runrc; /* rc from ${run} */
558 extern uschar *search_error_message; /* Details of lookup problem */
559 extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
560 extern uschar *self_hostname; /* Self host after routing->directors */
561 extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
562 extern uschar *sender_address_data; /* address_data from sender verify */
563 extern BOOL sender_address_forced; /* Set by -f */
564 extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
565 extern uschar *sender_data; /* lookup result for senders */
566 extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
567 extern uschar *sender_fullhost; /* Sender host name + address */
568 extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
569 extern uschar **sender_host_aliases; /* Points to list of alias names */
570 extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
571 extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
572 extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
573 extern uschar *sender_ident; /* Sender identity via RFC 1413 */
574 extern BOOL sender_local; /* TRUE for local senders */
575 extern uschar *sender_rcvhost; /* Host data for Received: */
576 extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
577 extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
578 extern uschar *sender_verify_failure; /* What went wrong */
579 extern address_item *sender_verified_list; /* Saved chain of sender verifies */
580 extern address_item *sender_verified_failed; /* The one that caused denial */
581 extern volatile BOOL sigalrm_seen; /* Flag for sigalrm_handler */
582 extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
583 extern int smtp_accept_count; /* Count of connections */
584 extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
585 extern int smtp_accept_max; /* Max SMTP connections */
586 extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
587 extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
588 extern int smtp_accept_max_per_connection; /* Max msgs per connection */
589 extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
590 extern int smtp_accept_queue; /* Queue after so many connections */
591 extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
592 extern int smtp_accept_reserve; /* Reserve these SMTP connections */
593 extern uschar *smtp_active_hostname; /* Hostname for this message */
594 extern BOOL smtp_authenticated; /* Sending client has authenticated */
595 extern uschar *smtp_banner; /* Banner string (to be expanded) */
596 extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
597 extern uschar *smtp_command_argument; /* When running certain ACLs */
598 extern int smtp_connect_backlog; /* Max backlog permitted */
599 extern double smtp_delay_mail; /* Current MAIL delay */
600 extern double smtp_delay_rcpt; /* Current RCPT delay */
601 extern BOOL smtp_enforce_sync; /* Enforce sync rules */
602 extern uschar *smtp_etrn_command; /* Command to run */
603 extern BOOL smtp_etrn_serialize; /* Only one at once */
604 extern FILE *smtp_in; /* Incoming SMTP input file */
605 extern int smtp_load_reserve; /* Only from reserved if load > this */
606 extern int smtp_mailcmd_count; /* Count of MAIL commands */
607 extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
608 extern int smtp_max_unknown_commands; /* As it says */
609 extern FILE *smtp_out; /* Incoming SMTP output file */
610 extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
611 extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
612 extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
613 extern uschar *smtp_read_error; /* Message for SMTP input error */
614 extern int smtp_receive_timeout; /* Applies to each received line */
615 extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
616 extern BOOL smtp_return_error_details; /* TRUE to return full info */
617 extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
618 extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
619 extern int smtp_rlm_limit; /* Max delay */
620 extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
621 extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
622 extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
623 extern int smtp_rlr_limit; /* Max delay */
624 extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
625 extern BOOL smtp_use_pipelining; /* Global for passed connections */
626 extern BOOL smtp_use_size; /* Global for passed connections */
628 #ifdef WITH_CONTENT_SCAN
629 extern uschar *spamd_address; /* address for the spamassassin daemon */
630 extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
631 extern uschar *spam_report; /* the spamd report (multiline) */
632 extern uschar *spam_score; /* the spam score (float) */
633 extern uschar *spam_score_int; /* spam_score * 10 (int) */
635 #ifdef EXPERIMENTAL_SPF
636 extern uschar *spf_header_comment; /* spf header comment */
637 extern uschar *spf_received; /* SPF-Received: header */
638 extern uschar *spf_result; /* spf result in string form */
639 extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
641 extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
642 extern uschar *spool_directory; /* Name of spool directory */
643 #ifdef EXPERIMENTAL_SRS
644 extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
645 extern uschar *srs_db_address; /* SRS db address */
646 extern uschar *srs_db_key; /* SRS db key */
647 extern uschar *srs_orig_sender; /* SRS original sender */
648 extern uschar *srs_orig_recipient; /* SRS original recipient */
649 extern uschar *srs_recipient; /* SRS recipient */
650 extern uschar *srs_status; /* SRS staus */
652 extern int string_datestamp_offset;/* After insertion by string_format */
653 extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
654 extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
655 extern uschar *submission_domain; /* Domain for submission mode */
656 extern BOOL submission_mode; /* Can be forced from ACL */
657 extern BOOL synchronous_delivery; /* TRUE if -odi is set */
658 extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
659 extern int syslog_facility; /* As defined by Syslog.h */
660 extern uschar *syslog_processname; /* 'ident' param to openlog() */
661 extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
662 extern uschar *system_filter; /* Name of system filter file */
664 extern uschar *system_filter_directory_transport; /* Transports for the */
665 extern uschar *system_filter_file_transport; /* system filter */
666 extern uschar *system_filter_pipe_transport;
667 extern uschar *system_filter_reply_transport;
669 extern gid_t system_filter_gid; /* Gid for running system filter */
670 extern BOOL system_filter_gid_set; /* TRUE if gid set */
671 extern uid_t system_filter_uid; /* Uid for running system filter */
672 extern BOOL system_filter_uid_set; /* TRUE if uid set */
673 extern BOOL system_filtering; /* TRUE when running system filter */
675 extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
676 extern int thismessage_size_limit; /* Limit for this message */
677 extern int timeout_frozen_after; /* Max time to keep frozen messages */
678 extern BOOL timestamps_utc; /* Use UTC for all times */
679 extern int transport_count; /* Count of bytes transported */
680 extern uschar **transport_filter_argv; /* For on-the-fly filtering */
681 extern int transport_filter_timeout; /* Timeout for same */
683 extern transport_info transports_available[]; /* Vector of available transports */
684 extern transport_instance *transports; /* Chain of instantiated transports */
685 extern transport_instance transport_defaults; /* Default values */
687 extern int transport_write_timeout;/* Set to time out individual writes */
689 extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
690 extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
691 extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
692 extern tree_node *tree_unusable; /* Tree of unusable addresses */
694 extern BOOL trusted_caller; /* Caller is trusted */
695 extern gid_t *trusted_groups; /* List of trusted groups */
696 extern uid_t *trusted_users; /* List of trusted users */
697 extern uschar *timezone_string; /* Required timezone setting */
699 extern uschar *unknown_login; /* To use when login id unknown */
700 extern uschar *unknown_username; /* Ditto */
701 extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
702 extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
703 extern uschar *uucp_from_sender; /* For building the sender */
705 extern uschar *warn_message_file; /* Template for warning messages */
706 extern uschar *warnmsg_delay; /* String form of delay time */
707 extern uschar *warnmsg_recipients; /* Recipients of warning message */
708 extern BOOL write_rejectlog; /* Control of reject logging */
710 extern uschar *version_copyright; /* Copyright notice */
711 extern uschar *version_date; /* Date of compilation */
712 extern uschar *version_cnumber; /* Compile number */
713 extern uschar *version_string; /* Version string */
715 extern int warning_count; /* Delay warnings sent for this msg */
717 /* End of globals.h */
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