1 /* $Cambridge: exim/src/src/globals.h,v 1.12 2005/03/08 15:32:02 tom 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 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 #ifdef EXPERIMENTAL_DOMAINKEYS
261 extern uschar *dk_signing_domain; /* Domain used for signing a message. */
262 extern uschar *dk_signing_selector; /* Selector used for signing a message. */
263 extern int dk_do_verify; /* DK verification switch. Set with ACL control statement. */
266 extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
267 extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
268 extern int dns_retrans; /* Retransmission time setting */
269 extern int dns_retry; /* Number of retries */
270 extern uschar *dnslist_domain; /* DNS (black) list domain */
271 extern uschar *dnslist_text; /* DNS (black) list text message */
272 extern uschar *dnslist_value; /* DNS (black) list IP address */
273 extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
274 extern int domainlist_count; /* Number defined */
275 extern BOOL dont_deliver; /* TRUE for -N option */
276 extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
278 /* This option is now a no-opt, retained for compatibility */
279 extern BOOL drop_cr; /* For broken local MUAs */
281 extern BOOL enable_dollar_recipients; /* Make $recipients available */
282 extern int envelope_to_remove; /* Remove envelope_to_headers */
283 extern int errno_quota; /* Quota errno in this OS */
284 extern int error_handling; /* Error handling style */
285 extern uschar *errors_copy; /* For taking copies of errors */
286 extern uschar *errors_reply_to; /* Reply-to for error messages */
287 extern int errors_sender_rc; /* Return after message to sender*/
288 extern gid_t exim_gid; /* To be used with exim_uid */
289 extern BOOL exim_gid_set; /* TRUE if exim_gid set */
290 extern uschar *exim_path; /* Path to exec exim */
291 extern uid_t exim_uid; /* Non-root uid for exim */
292 extern BOOL exim_uid_set; /* TRUE if exim_uid set */
293 extern int expand_forbid; /* RDO flags for forbidding things */
294 extern int expand_nlength[]; /* Lengths of numbered strings */
295 extern int expand_nmax; /* Max numerical value */
296 extern uschar *expand_nstring[]; /* Numbered strings */
297 extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
298 extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
299 extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
301 extern BOOL fake_reject; /* TRUE if fake reject is to be given */
302 extern uschar *fake_reject_text; /* Option for the fakereject control statement: can contain user defined message. Default is in globals.c. */
303 extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
304 extern BOOL filter_running; /* TRUE while running a filter */
305 extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
306 extern int filter_test; /* Filter test type */
307 extern uschar *filter_test_sfile; /* System filter test file */
308 extern uschar *filter_test_ufile; /* User filter test file */
309 extern uschar *filter_thisaddress; /* For address looping */
310 extern int finduser_retries; /* Retry count for getpwnam() */
311 extern uid_t fixed_never_users[]; /* Can't be overridden */
312 #ifdef WITH_OLD_DEMIME
313 extern uschar *found_extension; /* demime acl condition: file extension found */
315 extern uschar *freeze_tell; /* Message on (some) freezings */
316 extern uschar *fudged_queue_times; /* For use in test harness */
318 extern uschar *gecos_name; /* To be expanded when pattern matches */
319 extern uschar *gecos_pattern; /* Pattern to match */
320 extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
322 extern int header_insert_maxlen; /* Max for inserting headers */
323 extern int header_maxsize; /* Max total length for header */
324 extern int header_line_maxsize; /* Max for an individual line */
325 extern header_name header_names[]; /* Table of header names */
326 extern int header_names_size; /* Number of entries */
327 extern BOOL header_rewritten; /* TRUE if header changed by router */
328 extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
329 extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
330 extern uschar *helo_lookup_domains; /* If these given, lookup host name */
331 extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
332 extern BOOL helo_verified; /* True if HELO verified */
333 extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
334 extern uschar *hex_digits; /* Used in several places */
335 extern uschar *hold_domains; /* Hold up deliveries to these */
336 extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
337 extern BOOL host_checking_callout; /* TRUE if real callout wanted */
338 extern uschar *host_data; /* Obtained from lookup in ACL */
339 extern uschar *host_lookup; /* For which IP addresses are always looked up */
340 extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
341 extern BOOL host_lookup_failed; /* TRUE if lookup failed */
342 extern uschar *host_lookup_order; /* Order of host lookup types */
343 extern uschar *host_lookup_msg; /* Text for why it failed */
344 extern int host_number; /* For sharing spools */
345 extern uschar *host_number_string; /* For expanding */
346 extern uschar *host_reject_connection; /* Reject these hosts */
347 extern tree_node *hostlist_anchor; /* Tree of defined host lists */
348 extern int hostlist_count; /* Number defined */
349 extern uschar *hosts_connection_nolog; /* Limits the logging option */
350 extern uschar *hosts_treat_as_local; /* For routing */
352 extern int ignore_bounce_errors_after; /* Keep them for this time. */
353 extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
354 extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
355 extern BOOL is_inetd; /* True for inetd calls */
357 extern int journal_fd; /* Fd for journal file */
359 extern int keep_malformed; /* Time to keep malformed messages */
361 extern uschar *eldap_dn; /* Where LDAP DNs are left */
362 extern int load_average; /* Most recently read load average */
363 extern BOOL local_error_message; /* True if handling one of these */
364 extern BOOL local_from_check; /* For adding Sender: (global value) */
365 extern uschar *local_from_prefix; /* Permitted prefixes */
366 extern uschar *local_from_suffix; /* Permitted suffixes */
367 extern uschar *local_interfaces; /* For forcing specific interfaces */
368 extern uschar *local_scan_data; /* Text returned by local_scan() */
369 extern optionlist local_scan_options[];/* Option list for local_scan() */
370 extern int local_scan_options_count; /* Size of the list */
371 extern int local_scan_timeout; /* Timeout for local_scan() */
372 extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
373 extern gid_t local_user_gid; /* As it says; may be set in routers */
374 extern uid_t local_user_uid; /* As it says; may be set in routers */
375 extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
376 extern int localpartlist_count; /* Number defined */
377 extern uschar *log_buffer; /* For constructing log entries */
378 extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
379 extern uschar *log_file_path; /* If unset, use default */
380 extern bit_table log_options[]; /* Table of options */
381 extern int log_options_count; /* Size of table */
382 extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
383 extern uschar *log_selector_string; /* As supplied in the config */
384 extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
385 extern BOOL log_testing_mode; /* TRUE in various testing modes */
386 extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
387 extern uschar *login_sender_address; /* The actual sender address */
388 extern lookup_info lookup_list[]; /* Vector of available lookups */
389 extern int lookup_list_count; /* Number of entries in the list */
390 extern int lookup_open_max; /* Max lookup files to cache */
391 extern uschar *lookup_value; /* Value looked up from file */
393 extern macro_item *macros; /* Configuration macros */
394 extern uschar *mailstore_basename; /* For mailstore deliveries */
395 #ifdef WITH_CONTENT_SCAN
396 extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
398 extern int max_username_length; /* For systems with broken getpwnam() */
399 extern int message_age; /* In seconds */
400 extern uschar *message_body; /* Start of message body for filter */
401 extern uschar *message_body_end; /* End of message body for filter */
402 extern int message_body_size; /* Sic */
403 extern int message_body_visible; /* Amount visible in message_body */
404 extern int message_ended; /* State of message reading and how ended */
405 extern uschar *message_headers; /* When built */
406 extern uschar message_id_option[]; /* -E<message-id> for use as option */
407 extern uschar *message_id_external; /* External form of following */
408 extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
409 extern uschar *message_id_text; /* Expanded to form message_id */
410 extern struct timeval message_id_tv; /* Time used to create last message_id */
411 extern int message_linecount; /* As it says */
412 extern BOOL message_logs; /* TRUE to write message logs */
413 extern int message_size; /* Size of message */
414 extern uschar *message_size_limit; /* As it says */
415 extern uschar message_subdir[]; /* Subdirectory for messages */
416 extern uschar *message_reference; /* Reference for error messages */
418 /* MIME ACL expandables */
419 #ifdef WITH_CONTENT_SCAN
420 extern int mime_anomaly_level;
421 extern uschar *mime_anomaly_text;
422 extern uschar *mime_boundary;
423 extern uschar *mime_charset;
424 extern uschar *mime_content_description;
425 extern uschar *mime_content_disposition;
426 extern uschar *mime_content_id;
427 extern unsigned int mime_content_size;
428 extern uschar *mime_content_transfer_encoding;
429 extern uschar *mime_content_type;
430 extern uschar *mime_decoded_filename;
431 extern uschar *mime_filename;
432 extern int mime_is_multipart;
433 extern int mime_is_coverletter;
434 extern int mime_is_rfc822;
435 extern int mime_part_count;
438 extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
440 extern uid_t *never_users; /* List of uids never to be used */
441 #ifdef WITH_CONTENT_SCAN
442 extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
444 extern BOOL no_multiline_responses; /* For broken clients */
446 extern optionlist optionlist_auths[]; /* These option lists are made */
447 extern int optionlist_auths_size; /* global so that readconf can */
448 extern optionlist optionlist_routers[]; /* see them for printing out */
449 extern int optionlist_routers_size; /* the options. */
450 extern optionlist optionlist_transports[];
451 extern int optionlist_transports_size;
453 extern uid_t original_euid; /* Original effective uid */
454 extern gid_t originator_gid; /* Gid of whoever wrote spool file */
455 extern uschar *originator_login; /* Login of same */
456 extern uschar *originator_name; /* Full name of same */
457 extern uid_t originator_uid; /* Uid of ditto */
458 extern uschar *override_local_interfaces; /* Value of -oX argument */
459 extern uschar *override_pid_file_path; /* Value of -oP argument */
461 extern BOOL parse_allow_group; /* Allow group syntax */
462 extern BOOL parse_found_group; /* In the middle of a group */
463 extern uschar *percent_hack_domains; /* Local domains for which '% operates */
464 extern uschar *pid_file_path; /* For writing daemon pids */
465 extern uschar *pipelining_advertise_hosts; /* As it says */
466 extern BOOL preserve_message_logs; /* Save msglog files */
467 extern uschar *primary_hostname; /* Primary name of this computer */
468 extern BOOL print_topbitchars; /* Topbit chars are printing chars */
469 extern uschar process_info[]; /* For SIGUSR1 output */
470 extern uschar *process_log_path; /* Alternate path */
471 extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
473 extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
474 extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
475 extern BOOL queue_2stage; /* Run queue in 2-stage manner */
476 extern uschar *queue_domains; /* Queue these domains */
477 extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
478 extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
479 extern BOOL queue_run_force; /* TRUE to force during queue run */
480 extern BOOL queue_run_local; /* Local deliveries only in queue run */
481 extern BOOL queue_running; /* TRUE for queue running process and */
482 /* immediate children */
483 extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
484 extern int queue_run_pipe; /* Pipe for synchronizing */
485 extern int queue_interval; /* Queue running interval */
486 extern BOOL queue_only; /* TRUE to disable immediate delivery */
487 extern int queue_only_load; /* Max load before auto-queue */
488 extern uschar *queue_only_file; /* Queue if file exists/not-exists */
489 extern BOOL queue_only_override; /* Allow override from command line */
490 extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
491 extern BOOL queue_run_in_order; /* As opposed to random */
492 extern int queue_run_max; /* Max queue runners */
493 extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
494 extern uschar *queue_smtp_domains; /* Ditto, for these domains */
496 extern unsigned int random_seed; /* Seed for random numbers */
497 extern uschar *raw_active_hostname; /* Pre-expansion */
498 extern uschar *raw_sender; /* Before rewriting */
499 extern uschar **raw_recipients; /* Before rewriting */
500 extern int raw_recipients_count;
501 extern int rcpt_count; /* Count of RCPT commands in a message */
502 extern int rcpt_fail_count; /* Those that got 5xx */
503 extern int rcpt_defer_count; /* Those that got 4xx */
504 extern gid_t real_gid; /* Real gid */
505 extern uid_t real_uid; /* Real user running program */
506 extern BOOL really_exim; /* FALSE in utilities */
507 extern BOOL receive_call_bombout; /* Flag for crashing log */
508 extern int receive_linecount; /* Mainly for BSMTP errors */
509 extern int receive_messagecount; /* Mainly for BSMTP errors */
510 extern int receive_timeout; /* For non-SMTP acceptance */
511 extern int received_count; /* Count of Received: headers */
512 extern uschar *received_for; /* For "for" field */
513 extern uschar *received_header_text; /* Definition of Received: header */
514 extern int received_headers_max; /* Max count of Received: headers */
515 extern int received_time; /* Time the message was received */
516 extern uschar *recipient_data; /* lookup data for recipients */
517 extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
518 extern uschar *recipient_verify_failure; /* What went wrong */
519 extern BOOL recipients_discarded; /* By an ACL */
520 extern int recipients_list_max; /* Maximum number fitting in list */
521 extern int recipients_max; /* Max permitted */
522 extern int recipients_max_reject; /* If TRUE, reject whole message */
523 extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
524 extern const pcre *regex_check_dns_names; /* For DNS name checking */
525 extern const pcre *regex_From; /* For recognizing "From_" lines */
526 extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
527 extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
528 extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
529 #ifdef WITH_CONTENT_SCAN
530 extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
532 extern int remote_delivery_count; /* Number of remote addresses */
533 extern int remote_max_parallel; /* Maximum parallel delivery */
534 extern uschar *remote_sort_domains; /* Remote domain sorting order */
535 extern retry_config *retries; /* Chain of retry config information */
536 extern int retry_data_expire; /* When to expire retry data */
537 extern int retry_interval_max; /* Absolute maximum */
538 extern int retry_maximum_timeout; /* The maximum timeout */
539 extern uschar *return_path; /* Return path for a message */
540 extern BOOL return_path_remove; /* Remove return-path headers */
541 extern int rewrite_existflags; /* Indicate which headers have rewrites */
542 extern uschar *rfc1413_hosts; /* RFC hosts */
543 extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
544 /* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
545 extern uid_t root_uid; /* The uid for root */
546 extern router_info routers_available[];/* Vector of available routers */
547 extern router_instance *routers; /* Chain of instantiated routers */
548 extern router_instance router_defaults;/* Default values */
549 extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
550 extern ip_address_item *running_interfaces; /* Host's running interfaces */
551 extern uschar *running_status; /* Flag string for testing */
552 extern int runrc; /* rc from ${run} */
554 extern uschar *search_error_message; /* Details of lookup problem */
555 extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
556 extern uschar *self_hostname; /* Self host after routing->directors */
557 extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
558 extern uschar *sender_address_data; /* address_data from sender verify */
559 extern BOOL sender_address_forced; /* Set by -f */
560 extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
561 extern uschar *sender_data; /* lookup result for senders */
562 extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
563 extern uschar *sender_fullhost; /* Sender host name + address */
564 extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
565 extern uschar **sender_host_aliases; /* Points to list of alias names */
566 extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
567 extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
568 extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
569 extern uschar *sender_ident; /* Sender identity via RFC 1413 */
570 extern BOOL sender_local; /* TRUE for local senders */
571 extern uschar *sender_rcvhost; /* Host data for Received: */
572 extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
573 extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
574 extern uschar *sender_verify_failure; /* What went wrong */
575 extern address_item *sender_verified_list; /* Saved chain of sender verifies */
576 extern address_item *sender_verified_failed; /* The one that caused denial */
577 extern volatile BOOL sigalrm_seen; /* Flag for sigalrm_handler */
578 extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
579 extern int smtp_accept_count; /* Count of connections */
580 extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
581 extern int smtp_accept_max; /* Max SMTP connections */
582 extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
583 extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
584 extern int smtp_accept_max_per_connection; /* Max msgs per connection */
585 extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
586 extern int smtp_accept_queue; /* Queue after so many connections */
587 extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
588 extern int smtp_accept_reserve; /* Reserve these SMTP connections */
589 extern uschar *smtp_active_hostname; /* Hostname for this message */
590 extern BOOL smtp_authenticated; /* Sending client has authenticated */
591 extern uschar *smtp_banner; /* Banner string (to be expanded) */
592 extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
593 extern uschar *smtp_command_argument; /* When running certain ACLs */
594 extern int smtp_connect_backlog; /* Max backlog permitted */
595 extern double smtp_delay_mail; /* Current MAIL delay */
596 extern double smtp_delay_rcpt; /* Current RCPT delay */
597 extern BOOL smtp_enforce_sync; /* Enforce sync rules */
598 extern uschar *smtp_etrn_command; /* Command to run */
599 extern BOOL smtp_etrn_serialize; /* Only one at once */
600 extern FILE *smtp_in; /* Incoming SMTP input file */
601 extern int smtp_load_reserve; /* Only from reserved if load > this */
602 extern int smtp_mailcmd_count; /* Count of MAIL commands */
603 extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
604 extern int smtp_max_unknown_commands; /* As it says */
605 extern FILE *smtp_out; /* Incoming SMTP output file */
606 extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
607 extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
608 extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
609 extern uschar *smtp_read_error; /* Message for SMTP input error */
610 extern int smtp_receive_timeout; /* Applies to each received line */
611 extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
612 extern BOOL smtp_return_error_details; /* TRUE to return full info */
613 extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
614 extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
615 extern int smtp_rlm_limit; /* Max delay */
616 extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
617 extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
618 extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
619 extern int smtp_rlr_limit; /* Max delay */
620 extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
621 extern BOOL smtp_use_pipelining; /* Global for passed connections */
622 extern BOOL smtp_use_size; /* Global for passed connections */
624 #ifdef WITH_CONTENT_SCAN
625 extern uschar *spamd_address; /* address for the spamassassin daemon */
626 extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
627 extern uschar *spam_report; /* the spamd report (multiline) */
628 extern uschar *spam_score; /* the spam score (float) */
629 extern uschar *spam_score_int; /* spam_score * 10 (int) */
631 #ifdef EXPERIMENTAL_SPF
632 extern uschar *spf_header_comment; /* spf header comment */
633 extern uschar *spf_received; /* SPF-Received: header */
634 extern uschar *spf_result; /* spf result in string form */
635 extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
637 extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
638 extern uschar *spool_directory; /* Name of spool directory */
639 #ifdef EXPERIMENTAL_SRS
640 extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
641 extern uschar *srs_db_address; /* SRS db address */
642 extern uschar *srs_db_key; /* SRS db key */
643 extern uschar *srs_orig_sender; /* SRS original sender */
644 extern uschar *srs_orig_recipient; /* SRS original recipient */
645 extern uschar *srs_recipient; /* SRS recipient */
646 extern uschar *srs_status; /* SRS staus */
648 extern int string_datestamp_offset;/* After insertion by string_format */
649 extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
650 extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
651 extern uschar *submission_domain; /* Domain for submission mode */
652 extern BOOL submission_mode; /* Can be forced from ACL */
653 extern BOOL synchronous_delivery; /* TRUE if -odi is set */
654 extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
655 extern int syslog_facility; /* As defined by Syslog.h */
656 extern uschar *syslog_processname; /* 'ident' param to openlog() */
657 extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
658 extern uschar *system_filter; /* Name of system filter file */
660 extern uschar *system_filter_directory_transport; /* Transports for the */
661 extern uschar *system_filter_file_transport; /* system filter */
662 extern uschar *system_filter_pipe_transport;
663 extern uschar *system_filter_reply_transport;
665 extern gid_t system_filter_gid; /* Gid for running system filter */
666 extern BOOL system_filter_gid_set; /* TRUE if gid set */
667 extern uid_t system_filter_uid; /* Uid for running system filter */
668 extern BOOL system_filter_uid_set; /* TRUE if uid set */
669 extern BOOL system_filtering; /* TRUE when running system filter */
671 extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
672 extern int thismessage_size_limit; /* Limit for this message */
673 extern int timeout_frozen_after; /* Max time to keep frozen messages */
674 extern BOOL timestamps_utc; /* Use UTC for all times */
675 extern int transport_count; /* Count of bytes transported */
676 extern uschar **transport_filter_argv; /* For on-the-fly filtering */
677 extern int transport_filter_timeout; /* Timeout for same */
679 extern transport_info transports_available[]; /* Vector of available transports */
680 extern transport_instance *transports; /* Chain of instantiated transports */
681 extern transport_instance transport_defaults; /* Default values */
683 extern int transport_write_timeout;/* Set to time out individual writes */
685 extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
686 extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
687 extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
688 extern tree_node *tree_unusable; /* Tree of unusable addresses */
690 extern BOOL trusted_caller; /* Caller is trusted */
691 extern gid_t *trusted_groups; /* List of trusted groups */
692 extern uid_t *trusted_users; /* List of trusted users */
693 extern uschar *timezone_string; /* Required timezone setting */
695 extern uschar *unknown_login; /* To use when login id unknown */
696 extern uschar *unknown_username; /* Ditto */
697 extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
698 extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
699 extern uschar *uucp_from_sender; /* For building the sender */
701 extern uschar *warn_message_file; /* Template for warning messages */
702 extern uschar *warnmsg_delay; /* String form of delay time */
703 extern uschar *warnmsg_recipients; /* Recipients of warning message */
704 extern BOOL write_rejectlog; /* Control of reject logging */
706 extern uschar *version_copyright; /* Copyright notice */
707 extern uschar *version_date; /* Date of compilation */
708 extern uschar *version_cnumber; /* Compile number */
709 extern uschar *version_string; /* Version string */
711 extern int warning_count; /* Delay warnings sent for this msg */
713 /* End of globals.h */
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