1 /* $Cambridge: exim/src/src/globals.h,v 1.8 2004/12/16 15:11:47 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 #ifdef EXPERIMENTAL_BRIGHTMAIL
160 extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
161 extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
162 extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
163 extern uschar *bmi_config_file; /* Brightmail config file */
164 extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
165 extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
166 extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
168 extern int body_linecount; /* Line count in body */
169 extern int body_zerocount; /* Binary zero count in body */
170 extern uschar *bounce_message_file; /* Template file */
171 extern uschar *bounce_message_text; /* One-liner */
172 extern uschar *bounce_recipient; /* When writing an errmsg */
173 extern BOOL bounce_return_body; /* Include body in returned message */
174 extern BOOL bounce_return_message; /* Include message in bounce */
175 extern int bounce_return_size_limit; /* Max amount to return */
176 extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
177 extern int bsmtp_transaction_linecount; /* Start of last transaction */
179 extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
180 extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
181 extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
182 extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
183 extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
184 extern uschar *check_dns_names_pattern;/* Regex for syntax check */
185 extern int check_log_inodes; /* Minimum for message acceptance */
186 extern int check_log_space; /* Minimum for message acceptance */
187 extern int check_spool_inodes; /* Minimum for message acceptance */
188 extern int check_spool_space; /* Minimum for message acceptance */
189 extern int clmacro_count; /* Number of command line macros */
190 extern uschar *clmacros[]; /* Copy of them, for re-exec */
191 extern int connection_max_messages;/* Max down one SMTP connection */
192 extern BOOL config_changed; /* True if -C used */
193 extern FILE *config_file; /* Configuration file */
194 extern uschar *config_filename; /* Configuration file name */
195 #ifdef CONFIGURE_GROUP
196 extern gid_t config_gid; /* Additional group owner */
198 extern int config_lineno; /* Line number */
199 extern uschar *config_main_filelist; /* List of possible config files */
200 extern uschar *config_main_filename; /* File name actually used */
201 #ifdef CONFIGURE_OWNER
202 extern uid_t config_uid; /* Additional owner */
204 extern uschar *continue_hostname; /* Host for continued delivery */
205 extern uschar *continue_host_address; /* IP address for ditto */
206 extern BOOL continue_more; /* Flag more addresses waiting */
207 extern int continue_sequence; /* Sequence num for continued delivery */
208 extern uschar *continue_transport; /* Transport for continued delivery */
210 extern BOOL daemon_listen; /* True if listening required */
211 extern uschar *daemon_smtp_port; /* Can be a list of ports */
212 extern BOOL debug_daemon; /* Debug the daemon process only */
213 extern int debug_fd; /* The fd for debug_file */
214 extern FILE *debug_file; /* Where to write debugging info */
215 extern bit_table debug_options[]; /* Table of debug options */
216 extern int debug_options_count; /* Size of table */
217 extern int delay_warning[]; /* Times between warnings */
218 extern uschar *delay_warning_condition; /* Condition string for warnings */
219 extern BOOL delivery_date_remove; /* Remove delivery-date headers */
221 extern uschar *deliver_address_data; /* Arbitrary data for an address */
222 extern int deliver_datafile; /* FD for data part of message */
223 extern uschar *deliver_domain; /* The local domain for delivery */
224 extern uschar *deliver_domain_data; /* From domain lookup */
225 extern uschar *deliver_domain_orig; /* The original local domain for delivery */
226 extern uschar *deliver_domain_parent; /* The parent domain for delivery */
227 extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
228 extern BOOL deliver_firsttime; /* True for first delivery attempt */
229 extern BOOL deliver_force; /* TRUE if delivery was forced */
230 extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
231 extern int deliver_frozen_at; /* Time of freezing */
232 extern uschar *deliver_home; /* Home directory for pipes */
233 extern uschar *deliver_host; /* (First) host for routed local deliveries */
234 /* Remote host for filter */
235 extern uschar *deliver_host_address; /* Address for remote delivery filter */
236 extern uschar *deliver_in_buffer; /* Buffer for copying file */
237 extern ino_t deliver_inode; /* Inode for appendfile */
238 extern uschar *deliver_localpart; /* The local part for delivery */
239 extern uschar *deliver_localpart_data; /* From local part lookup */
240 extern uschar *deliver_localpart_orig; /* The original local part for delivery */
241 extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
242 extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
243 extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
244 extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
245 extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
246 extern uschar *deliver_out_buffer; /* Buffer for copying file */
247 extern int deliver_queue_load_max; /* Different value for queue running */
248 extern address_item *deliver_recipients; /* Current set of addresses */
249 extern uschar *deliver_selectstring; /* For selecting by recipient */
250 extern BOOL deliver_selectstring_regex; /* String is regex */
251 extern uschar *deliver_selectstring_sender; /* For selecting by sender */
252 extern BOOL deliver_selectstring_sender_regex; /* String is regex */
253 #ifdef WITH_OLD_DEMIME
254 extern int demime_errorlevel; /* Severity of MIME error */
255 extern int demime_ok; /* Nonzero if message has been demimed */
256 extern uschar *demime_reason; /* Reason for broken MIME container */
258 extern BOOL disable_logging; /* Disables log writing when TRUE */
260 extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
261 extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
262 extern int dns_retrans; /* Retransmission time setting */
263 extern int dns_retry; /* Number of retries */
264 extern uschar *dnslist_domain; /* DNS (black) list domain */
265 extern uschar *dnslist_text; /* DNS (black) list text message */
266 extern uschar *dnslist_value; /* DNS (black) list IP address */
267 extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
268 extern int domainlist_count; /* Number defined */
269 extern BOOL dont_deliver; /* TRUE for -N option */
270 extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
272 /* This option is now a no-opt, retained for compatibility */
273 extern BOOL drop_cr; /* For broken local MUAs */
275 extern BOOL enable_dollar_recipients; /* Make $recipients available */
276 extern int envelope_to_remove; /* Remove envelope_to_headers */
277 extern int errno_quota; /* Quota errno in this OS */
278 extern int error_handling; /* Error handling style */
279 extern uschar *errors_copy; /* For taking copies of errors */
280 extern uschar *errors_reply_to; /* Reply-to for error messages */
281 extern int errors_sender_rc; /* Return after message to sender*/
282 extern gid_t exim_gid; /* To be used with exim_uid */
283 extern BOOL exim_gid_set; /* TRUE if exim_gid set */
284 extern uschar *exim_path; /* Path to exec exim */
285 extern uid_t exim_uid; /* Non-root uid for exim */
286 extern BOOL exim_uid_set; /* TRUE if exim_uid set */
287 extern int expand_forbid; /* RDO flags for forbidding things */
288 extern int expand_nlength[]; /* Lengths of numbered strings */
289 extern int expand_nmax; /* Max numerical value */
290 extern uschar *expand_nstring[]; /* Numbered strings */
291 extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
292 extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
293 extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
295 #ifdef WITH_CONTENT_SCAN
296 extern BOOL fake_reject; /* TRUE if fake reject is to be given */
297 extern uschar *fake_reject_text; /* Option for the fakereject control statement: can contain user defined message. Default is in globals.c. */
299 extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
300 extern BOOL filter_running; /* TRUE while running a filter */
301 extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
302 extern int filter_test; /* Filter test type */
303 extern uschar *filter_test_sfile; /* System filter test file */
304 extern uschar *filter_test_ufile; /* User filter test file */
305 extern uschar *filter_thisaddress; /* For address looping */
306 extern int finduser_retries; /* Retry count for getpwnam() */
307 extern uid_t fixed_never_users[]; /* Can't be overridden */
308 #ifdef WITH_OLD_DEMIME
309 extern uschar *found_extension; /* demime acl condition: file extension found */
311 extern uschar *freeze_tell; /* Message on (some) freezings */
312 extern uschar *fudged_queue_times; /* For use in test harness */
314 extern uschar *gecos_name; /* To be expanded when pattern matches */
315 extern uschar *gecos_pattern; /* Pattern to match */
316 extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
318 extern int header_insert_maxlen; /* Max for inserting headers */
319 extern int header_maxsize; /* Max total length for header */
320 extern int header_line_maxsize; /* Max for an individual line */
321 extern header_name header_names[]; /* Table of header names */
322 extern int header_names_size; /* Number of entries */
323 extern BOOL header_rewritten; /* TRUE if header changed by router */
324 extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
325 extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
326 extern uschar *helo_lookup_domains; /* If these given, lookup host name */
327 extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
328 extern BOOL helo_verified; /* True if HELO verified */
329 extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
330 extern uschar *hex_digits; /* Used in several places */
331 extern uschar *hold_domains; /* Hold up deliveries to these */
332 extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
333 extern BOOL host_checking_callout; /* TRUE if real callout wanted */
334 extern uschar *host_data; /* Obtained from lookup in ACL */
335 extern uschar *host_lookup; /* For which IP addresses are always looked up */
336 extern BOOL host_lookup_failed; /* TRUE if lookup failed */
337 extern uschar *host_lookup_order; /* Order of host lookup types */
338 extern uschar *host_lookup_msg; /* Text for why it failed */
339 extern int host_number; /* For sharing spools */
340 extern uschar *host_number_string; /* For expanding */
341 extern uschar *host_reject_connection; /* Reject these hosts */
342 extern tree_node *hostlist_anchor; /* Tree of defined host lists */
343 extern int hostlist_count; /* Number defined */
344 extern uschar *hosts_connection_nolog; /* Limits the logging option */
345 extern uschar *hosts_treat_as_local; /* For routing */
347 extern int ignore_bounce_errors_after; /* Keep them for this time. */
348 extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
349 extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
350 extern BOOL is_inetd; /* True for inetd calls */
352 extern int journal_fd; /* Fd for journal file */
354 extern int keep_malformed; /* Time to keep malformed messages */
356 extern uschar *eldap_dn; /* Where LDAP DNs are left */
357 extern int load_average; /* Most recently read load average */
358 extern BOOL local_error_message; /* True if handling one of these */
359 extern BOOL local_from_check; /* For adding Sender: (global value) */
360 extern uschar *local_from_prefix; /* Permitted prefixes */
361 extern uschar *local_from_suffix; /* Permitted suffixes */
362 extern uschar *local_interfaces; /* For forcing specific interfaces */
363 extern uschar *local_scan_data; /* Text returned by local_scan() */
364 extern optionlist local_scan_options[];/* Option list for local_scan() */
365 extern int local_scan_options_count; /* Size of the list */
366 extern int local_scan_timeout; /* Timeout for local_scan() */
367 extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
368 extern gid_t local_user_gid; /* As it says; may be set in routers */
369 extern uid_t local_user_uid; /* As it says; may be set in routers */
370 extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
371 extern int localpartlist_count; /* Number defined */
372 extern uschar *log_buffer; /* For constructing log entries */
373 extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
374 extern uschar *log_file_path; /* If unset, use default */
375 extern bit_table log_options[]; /* Table of options */
376 extern int log_options_count; /* Size of table */
377 extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
378 extern uschar *log_selector_string; /* As supplied in the config */
379 extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
380 extern BOOL log_testing_mode; /* TRUE in various testing modes */
381 extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
382 extern uschar *login_sender_address; /* The actual sender address */
383 extern lookup_info lookup_list[]; /* Vector of available lookups */
384 extern int lookup_list_count; /* Number of entries in the list */
385 extern int lookup_open_max; /* Max lookup files to cache */
386 extern uschar *lookup_value; /* Value looked up from file */
388 extern macro_item *macros; /* Configuration macros */
389 extern uschar *mailstore_basename; /* For mailstore deliveries */
390 #ifdef WITH_CONTENT_SCAN
391 extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
393 extern int max_username_length; /* For systems with broken getpwnam() */
394 extern int message_age; /* In seconds */
395 extern uschar *message_body; /* Start of message body for filter */
396 extern uschar *message_body_end; /* End of message body for filter */
397 extern int message_body_size; /* Sic */
398 extern int message_body_visible; /* Amount visible in message_body */
399 extern int message_ended; /* State of message reading and how ended */
400 extern uschar *message_headers; /* When built */
401 extern uschar message_id_option[]; /* -E<message-id> for use as option */
402 extern uschar *message_id_external; /* External form of following */
403 extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
404 extern uschar *message_id_text; /* Expanded to form message_id */
405 extern struct timeval message_id_tv; /* Time used to create last message_id */
406 extern int message_linecount; /* As it says */
407 extern BOOL message_logs; /* TRUE to write message logs */
408 extern int message_size; /* Size of message */
409 extern uschar *message_size_limit; /* As it says */
410 extern uschar message_subdir[]; /* Subdirectory for messages */
411 extern uschar *message_reference; /* Reference for error messages */
413 /* MIME ACL expandables */
414 #ifdef WITH_CONTENT_SCAN
415 extern int mime_anomaly_level;
416 extern uschar *mime_anomaly_text;
417 extern uschar *mime_boundary;
418 extern uschar *mime_charset;
419 extern uschar *mime_content_description;
420 extern uschar *mime_content_disposition;
421 extern uschar *mime_content_id;
422 extern unsigned int mime_content_size;
423 extern uschar *mime_content_transfer_encoding;
424 extern uschar *mime_content_type;
425 extern uschar *mime_decoded_filename;
426 extern uschar *mime_filename;
427 extern int mime_is_multipart;
428 extern int mime_is_coverletter;
429 extern int mime_is_rfc822;
430 extern int mime_part_count;
433 extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
435 extern uid_t *never_users; /* List of uids never to be used */
436 #ifdef WITH_CONTENT_SCAN
437 extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
439 extern BOOL no_multiline_responses; /* For broken clients */
441 extern optionlist optionlist_auths[]; /* These option lists are made */
442 extern int optionlist_auths_size; /* global so that readconf can */
443 extern optionlist optionlist_routers[]; /* see them for printing out */
444 extern int optionlist_routers_size; /* the options. */
445 extern optionlist optionlist_transports[];
446 extern int optionlist_transports_size;
448 extern uid_t original_euid; /* Original effective uid */
449 extern gid_t originator_gid; /* Gid of whoever wrote spool file */
450 extern uschar *originator_login; /* Login of same */
451 extern uschar *originator_name; /* Full name of same */
452 extern uid_t originator_uid; /* Uid of ditto */
453 extern uschar *override_local_interfaces; /* Value of -oX argument */
454 extern uschar *override_pid_file_path; /* Value of -oP argument */
456 extern BOOL parse_allow_group; /* Allow group syntax */
457 extern BOOL parse_found_group; /* In the middle of a group */
458 extern uschar *percent_hack_domains; /* Local domains for which '% operates */
459 extern uschar *pid_file_path; /* For writing daemon pids */
460 extern uschar *pipelining_advertise_hosts; /* As it says */
461 extern BOOL preserve_message_logs; /* Save msglog files */
462 extern uschar *primary_hostname; /* Primary name of this computer */
463 extern BOOL print_topbitchars; /* Topbit chars are printing chars */
464 extern uschar process_info[]; /* For SIGUSR1 output */
465 extern uschar *process_log_path; /* Alternate path */
466 extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
468 extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
469 extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
470 extern BOOL queue_2stage; /* Run queue in 2-stage manner */
471 extern uschar *queue_domains; /* Queue these domains */
472 extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
473 extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
474 extern BOOL queue_run_force; /* TRUE to force during queue run */
475 extern BOOL queue_run_local; /* Local deliveries only in queue run */
476 extern BOOL queue_running; /* TRUE for queue running process and */
477 /* immediate children */
478 extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
479 extern int queue_run_pipe; /* Pipe for synchronizing */
480 extern int queue_interval; /* Queue running interval */
481 extern BOOL queue_only; /* TRUE to disable immediate delivery */
482 extern int queue_only_load; /* Max load before auto-queue */
483 extern uschar *queue_only_file; /* Queue if file exists/not-exists */
484 extern BOOL queue_only_override; /* Allow override from command line */
485 extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
486 extern BOOL queue_run_in_order; /* As opposed to random */
487 extern int queue_run_max; /* Max queue runners */
488 extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
489 extern uschar *queue_smtp_domains; /* Ditto, for these domains */
491 extern unsigned int random_seed; /* Seed for random numbers */
492 extern uschar *raw_active_hostname; /* Pre-expansion */
493 extern uschar *raw_sender; /* Before rewriting */
494 extern uschar **raw_recipients; /* Before rewriting */
495 extern int raw_recipients_count;
496 extern int rcpt_count; /* Count of RCPT commands in a message */
497 extern int rcpt_fail_count; /* Those that got 5xx */
498 extern int rcpt_defer_count; /* Those that got 4xx */
499 extern gid_t real_gid; /* Real gid */
500 extern uid_t real_uid; /* Real user running program */
501 extern BOOL really_exim; /* FALSE in utilities */
502 extern BOOL receive_call_bombout; /* Flag for crashing log */
503 extern int receive_linecount; /* Mainly for BSMTP errors */
504 extern int receive_messagecount; /* Mainly for BSMTP errors */
505 extern int receive_timeout; /* For non-SMTP acceptance */
506 extern int received_count; /* Count of Received: headers */
507 extern uschar *received_for; /* For "for" field */
508 extern uschar *received_header_text; /* Definition of Received: header */
509 extern int received_headers_max; /* Max count of Received: headers */
510 extern int received_time; /* Time the message was received */
511 extern uschar *recipient_data; /* lookup data for recipients */
512 extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
513 extern uschar *recipient_verify_failure; /* What went wrong */
514 extern BOOL recipients_discarded; /* By an ACL */
515 extern int recipients_list_max; /* Maximum number fitting in list */
516 extern int recipients_max; /* Max permitted */
517 extern int recipients_max_reject; /* If TRUE, reject whole message */
518 extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
519 extern const pcre *regex_check_dns_names; /* For DNS name checking */
520 extern const pcre *regex_From; /* For recognizing "From_" lines */
521 extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
522 extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
523 extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
524 #ifdef WITH_CONTENT_SCAN
525 extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
527 extern int remote_delivery_count; /* Number of remote addresses */
528 extern int remote_max_parallel; /* Maximum parallel delivery */
529 extern uschar *remote_sort_domains; /* Remote domain sorting order */
530 extern retry_config *retries; /* Chain of retry config information */
531 extern int retry_data_expire; /* When to expire retry data */
532 extern int retry_interval_max; /* Absolute maximum */
533 extern int retry_maximum_timeout; /* The maximum timeout */
534 extern uschar *return_path; /* Return path for a message */
535 extern BOOL return_path_remove; /* Remove return-path headers */
536 extern int rewrite_existflags; /* Indicate which headers have rewrites */
537 extern uschar *rfc1413_hosts; /* RFC hosts */
538 extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
539 /* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
540 extern uid_t root_uid; /* The uid for root */
541 extern router_info routers_available[];/* Vector of available routers */
542 extern router_instance *routers; /* Chain of instantiated routers */
543 extern router_instance router_defaults;/* Default values */
544 extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
545 extern ip_address_item *running_interfaces; /* Host's running interfaces */
546 extern uschar *running_status; /* Flag string for testing */
547 extern int runrc; /* rc from ${run} */
549 extern uschar *search_error_message; /* Details of lookup problem */
550 extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
551 extern uschar *self_hostname; /* Self host after routing->directors */
552 extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
553 extern uschar *sender_address_data; /* address_data from sender verify */
554 extern BOOL sender_address_forced; /* Set by -f */
555 extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
556 extern uschar *sender_data; /* lookup result for senders */
557 extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
558 extern uschar *sender_fullhost; /* Sender host name + address */
559 extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
560 extern uschar **sender_host_aliases; /* Points to list of alias names */
561 extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
562 extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
563 extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
564 extern uschar *sender_ident; /* Sender identity via RFC 1413 */
565 extern BOOL sender_local; /* TRUE for local senders */
566 extern uschar *sender_rcvhost; /* Host data for Received: */
567 extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
568 extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
569 extern uschar *sender_verify_failure; /* What went wrong */
570 extern address_item *sender_verified_list; /* Saved chain of sender verifies */
571 extern address_item *sender_verified_failed; /* The one that caused denial */
572 extern volatile BOOL sigalrm_seen; /* Flag for sigalrm_handler */
573 extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
574 extern int smtp_accept_count; /* Count of connections */
575 extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
576 extern int smtp_accept_max; /* Max SMTP connections */
577 extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
578 extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
579 extern int smtp_accept_max_per_connection; /* Max msgs per connection */
580 extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
581 extern int smtp_accept_queue; /* Queue after so many connections */
582 extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
583 extern int smtp_accept_reserve; /* Reserve these SMTP connections */
584 extern uschar *smtp_active_hostname; /* Hostname for this message */
585 extern BOOL smtp_authenticated; /* Sending client has authenticated */
586 extern uschar *smtp_banner; /* Banner string (to be expanded) */
587 extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
588 extern uschar *smtp_command_argument; /* When running certain ACLs */
589 extern int smtp_connect_backlog; /* Max backlog permitted */
590 extern double smtp_delay_mail; /* Current MAIL delay */
591 extern double smtp_delay_rcpt; /* Current RCPT delay */
592 extern BOOL smtp_enforce_sync; /* Enforce sync rules */
593 extern uschar *smtp_etrn_command; /* Command to run */
594 extern BOOL smtp_etrn_serialize; /* Only one at once */
595 extern FILE *smtp_in; /* Incoming SMTP input file */
596 extern int smtp_load_reserve; /* Only from reserved if load > this */
597 extern int smtp_mailcmd_count; /* Count of MAIL commands */
598 extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
599 extern int smtp_max_unknown_commands; /* As it says */
600 extern FILE *smtp_out; /* Incoming SMTP output file */
601 extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
602 extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
603 extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
604 extern uschar *smtp_read_error; /* Message for SMTP input error */
605 extern int smtp_receive_timeout; /* Applies to each received line */
606 extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
607 extern BOOL smtp_return_error_details; /* TRUE to return full info */
608 extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
609 extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
610 extern int smtp_rlm_limit; /* Max delay */
611 extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
612 extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
613 extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
614 extern int smtp_rlr_limit; /* Max delay */
615 extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
616 extern BOOL smtp_use_pipelining; /* Global for passed connections */
617 extern BOOL smtp_use_size; /* Global for passed connections */
619 #ifdef WITH_CONTENT_SCAN
620 extern uschar *spamd_address; /* address for the spamassassin daemon */
621 extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
622 extern uschar *spam_report; /* the spamd report (multiline) */
623 extern uschar *spam_score; /* the spam score (float) */
624 extern uschar *spam_score_int; /* spam_score * 10 (int) */
626 #ifdef EXPERIMENTAL_SPF
627 extern uschar *spf_header_comment; /* spf header comment */
628 extern uschar *spf_received; /* SPF-Received: header */
629 extern uschar *spf_result; /* spf result in string form */
630 extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
632 extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
633 extern uschar *spool_directory; /* Name of spool directory */
634 #ifdef EXPERIMENTAL_SRS
635 extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
636 extern uschar *srs_db_address; /* SRS db address */
637 extern uschar *srs_db_key; /* SRS db key */
638 extern uschar *srs_orig_sender; /* SRS original sender */
639 extern uschar *srs_orig_recipient; /* SRS original recipient */
640 extern uschar *srs_recipient; /* SRS recipient */
641 extern uschar *srs_status; /* SRS staus */
643 extern int string_datestamp_offset;/* After insertion by string_format */
644 extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
645 extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
646 extern uschar *submission_domain; /* Domain for submission mode */
647 extern BOOL submission_mode; /* Can be forced from ACL */
648 extern BOOL synchronous_delivery; /* TRUE if -odi is set */
649 extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
650 extern int syslog_facility; /* As defined by Syslog.h */
651 extern uschar *syslog_processname; /* 'ident' param to openlog() */
652 extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
653 extern uschar *system_filter; /* Name of system filter file */
655 extern uschar *system_filter_directory_transport; /* Transports for the */
656 extern uschar *system_filter_file_transport; /* system filter */
657 extern uschar *system_filter_pipe_transport;
658 extern uschar *system_filter_reply_transport;
660 extern gid_t system_filter_gid; /* Gid for running system filter */
661 extern BOOL system_filter_gid_set; /* TRUE if gid set */
662 extern uid_t system_filter_uid; /* Uid for running system filter */
663 extern BOOL system_filter_uid_set; /* TRUE if uid set */
664 extern BOOL system_filtering; /* TRUE when running system filter */
666 extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
667 extern int thismessage_size_limit; /* Limit for this message */
668 extern int timeout_frozen_after; /* Max time to keep frozen messages */
669 extern BOOL timestamps_utc; /* Use UTC for all times */
670 extern int transport_count; /* Count of bytes transported */
671 extern uschar **transport_filter_argv; /* For on-the-fly filtering */
672 extern int transport_filter_timeout; /* Timeout for same */
674 extern transport_info transports_available[]; /* Vector of available transports */
675 extern transport_instance *transports; /* Chain of instantiated transports */
676 extern transport_instance transport_defaults; /* Default values */
678 extern int transport_write_timeout;/* Set to time out individual writes */
680 extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
681 extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
682 extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
683 extern tree_node *tree_unusable; /* Tree of unusable addresses */
685 extern BOOL trusted_caller; /* Caller is trusted */
686 extern gid_t *trusted_groups; /* List of trusted groups */
687 extern uid_t *trusted_users; /* List of trusted users */
688 extern uschar *timezone_string; /* Required timezone setting */
690 extern uschar *unknown_login; /* To use when login id unknown */
691 extern uschar *unknown_username; /* Ditto */
692 extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
693 extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
694 extern uschar *uucp_from_sender; /* For building the sender */
696 extern uschar *warn_message_file; /* Template for warning messages */
697 extern uschar *warnmsg_delay; /* String form of delay time */
698 extern uschar *warnmsg_recipients; /* Recipients of warning message */
699 extern BOOL write_rejectlog; /* Control of reject logging */
701 extern uschar *version_copyright; /* Copyright notice */
702 extern uschar *version_date; /* Date of compilation */
703 extern uschar *version_cnumber; /* Compile number */
704 extern uschar *version_string; /* Version string */
706 extern int warning_count; /* Delay warnings sent for this msg */
708 /* End of globals.h */
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