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[exim.git] / src / src / globals.h
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2009 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* Almost all the global variables are defined together in this one header, so
9 that they are easy to find. However, those that are visible during the
10 compilation of the local_scan() function are defined separately in the
11 local_scan.h header file. */
12
13 /* First put any specials that are required for some operating systems. */
14
15 #ifdef NEED_H_ERRNO
16 extern int h_errno;
17 #endif
18
19 /* We need to be careful about width of int and atomicity in signal handlers,
20 especially with the rise of 64-bit systems breaking older assumptions. But
21 sig_atomic_t comes from signal.h so can't go into mytypes.h without including
22 signal support in local_scan, which seems precipitous. */
23 typedef volatile sig_atomic_t SIGNAL_BOOL;
24
25 /* Now things that are present only when configured. */
26
27 #ifdef EXIM_PERL
28 extern uschar *opt_perl_startup; /* Startup code for Perl interpreter */
29 extern BOOL opt_perl_at_start; /* Start Perl interpreter at start */
30 extern BOOL opt_perl_started; /* Set once interpreter started */
31 #endif
32
33 #ifdef EXPAND_DLFUNC
34 extern tree_node *dlobj_anchor; /* Tree of dynamically-loaded objects */
35 #endif
36
37 #ifdef LOOKUP_IBASE
38 extern uschar *ibase_servers;
39 #endif
40
41 #ifdef LOOKUP_LDAP
42 extern uschar *eldap_ca_cert_dir; /* Directory with CA certificates */
43 extern uschar *eldap_ca_cert_file; /* CA certificate file */
44 extern uschar *eldap_cert_file; /* Certificate file */
45 extern uschar *eldap_cert_key; /* Certificate key file */
46 extern uschar *eldap_cipher_suite; /* Allowed cipher suite */
47 extern uschar *eldap_default_servers; /* List of default servers */
48 extern uschar *eldap_require_cert; /* Peer certificate checking strategy */
49 extern BOOL eldap_start_tls; /* Use STARTTLS */
50 extern int eldap_version; /* LDAP version */
51 #endif
52
53 #ifdef LOOKUP_MYSQL
54 extern uschar *mysql_servers; /* List of servers and connect info */
55 #endif
56
57 #ifdef LOOKUP_ORACLE
58 extern uschar *oracle_servers; /* List of servers and connect info */
59 #endif
60
61 #ifdef LOOKUP_PGSQL
62 extern uschar *pgsql_servers; /* List of servers and connect info */
63 #endif
64
65 #ifdef LOOKUP_SQLITE
66 extern int sqlite_lock_timeout; /* Internal lock waiting timeout */
67 #endif
68
69 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
70 extern BOOL move_frozen_messages; /* Get them out of the normal directory */
71 #endif
72
73 /* These variables are outside the #ifdef because it keeps the code less
74 cluttered in several places (e.g. during logging) if we can always refer to
75 them. Also, the tls_ variables are now always visible. */
76
77 extern int tls_active; /* fd/socket when in a TLS session */
78 extern BOOL tls_certificate_verified; /* Client certificate verified */
79 extern uschar *tls_cipher; /* Cipher used */
80 extern BOOL tls_on_connect; /* For older MTAs that don't STARTTLS */
81 extern uschar *tls_on_connect_ports; /* Ports always tls-on-connect */
82 extern uschar *tls_peerdn; /* DN from peer */
83
84 #ifdef SUPPORT_TLS
85 extern BOOL gnutls_compat_mode; /* Less security, more compatibility */
86 extern uschar *gnutls_require_mac; /* So some can be avoided */
87 extern uschar *gnutls_require_kx; /* So some can be avoided */
88 extern uschar *gnutls_require_proto; /* So some can be avoided */
89 extern uschar *openssl_options; /* OpenSSL compatibility options */
90 extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
91 extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
92 extern uschar *tls_certificate; /* Certificate file */
93 extern uschar *tls_crl; /* CRL File */
94 extern uschar *tls_dhparam; /* DH param file */
95 extern BOOL tls_offered; /* Server offered TLS */
96 extern uschar *tls_privatekey; /* Private key file */
97 extern BOOL tls_remember_esmtp; /* For YAEB */
98 extern uschar *tls_require_ciphers; /* So some can be avoided */
99 extern uschar *tls_try_verify_hosts; /* Optional client verification */
100 extern uschar *tls_verify_certificates;/* Path for certificates to check */
101 extern uschar *tls_verify_hosts; /* Mandatory client verification */
102 #endif
103
104
105 /* Input-reading functions for messages, so we can use special ones for
106 incoming TCP/IP. */
107
108 extern int (*receive_getc)(void);
109 extern int (*receive_ungetc)(int);
110 extern int (*receive_feof)(void);
111 extern int (*receive_ferror)(void);
112 extern BOOL (*receive_smtp_buffered)(void);
113
114
115 /* For clearing, saving, restoring address expansion variables. We have to have
116 the size of this vector set explicitly, because it is referenced from more than
117 one module. */
118
119 extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
120
121 /* General global variables */
122
123 extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
124 extern header_line *acl_added_headers; /* Headers added by an ACL */
125 extern tree_node *acl_anchor; /* Tree of named ACLs */
126 extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
127 #ifdef WITH_CONTENT_SCAN
128 extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */
129 #endif
130 extern uschar *acl_not_smtp_start; /* ACL run at the beginning of a non-SMTP session */
131 extern uschar *acl_smtp_auth; /* ACL run for AUTH */
132 extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
133 extern uschar *acl_smtp_data; /* ACL run after DATA received */
134 #ifndef DISABLE_DKIM
135 extern uschar *acl_smtp_dkim; /* ACL run for DKIM signatures / domains */
136 #endif
137 extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
138 extern uschar *acl_smtp_expn; /* ACL run for EXPN */
139 extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
140 extern uschar *acl_smtp_mail; /* ACL run for MAIL */
141 extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
142 #ifdef WITH_CONTENT_SCAN
143 extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
144 #endif
145 extern uschar *acl_smtp_notquit; /* ACL run for disconnects */
146 extern uschar *acl_smtp_predata; /* ACL run for DATA command */
147 extern uschar *acl_smtp_quit; /* ACL run for QUIT */
148 extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
149 extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
150 extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
151 extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
152 extern tree_node *acl_var_c; /* ACL connection variables */
153 extern tree_node *acl_var_m; /* ACL messsage variables */
154 extern uschar *acl_verify_message; /* User message for verify failure */
155 extern string_item *acl_warn_logged; /* Logged lines */
156 extern uschar *acl_wherecodes[]; /* Response codes for ACL fails */
157 extern uschar *acl_wherenames[]; /* Names for messages */
158 extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
159 extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
160 extern address_item *addr_duplicate; /* Duplicate address list */
161 extern address_item address_defaults; /* Default data for address item */
162 extern uschar *address_file; /* Name of file when delivering to one */
163 extern uschar *address_pipe; /* Pipe command when delivering to one */
164 extern BOOL address_test_mode; /* True for -bt */
165 extern tree_node *addresslist_anchor; /* Tree of defined address lists */
166 extern int addresslist_count; /* Number defined */
167 extern gid_t *admin_groups; /* List of admin groups */
168 extern BOOL admin_user; /* True if caller can do admin */
169 extern BOOL allow_auth_unadvertised;/* As it says */
170 extern BOOL allow_domain_literals; /* As it says */
171 extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
172 extern BOOL allow_unqualified_recipient; /* As it says */
173 extern BOOL allow_unqualified_sender; /* Ditto */
174 extern BOOL allow_utf8_domains; /* For experimenting */
175 extern uschar *authenticated_id; /* ID that was authenticated */
176 extern uschar *authenticated_sender; /* From AUTH on MAIL */
177 extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
178 extern uschar *auth_advertise_hosts; /* Only advertise to these */
179 extern auth_info auths_available[]; /* Vector of available auth mechanisms */
180 extern auth_instance *auths; /* Chain of instantiated auths */
181 extern auth_instance auth_defaults; /* Default values */
182 extern uschar *auth_defer_msg; /* Error message for log */
183 extern uschar *auth_defer_user_msg; /* Error message for user */
184 extern uschar *auth_vars[]; /* $authn variables */
185 extern int auto_thaw; /* Auto-thaw interval */
186 #ifdef WITH_CONTENT_SCAN
187 extern BOOL av_failed; /* TRUE if the AV process failed */
188 extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
189 #endif
190
191 extern BOOL background_daemon; /* Set FALSE to keep in foreground */
192 extern uschar *base62_chars; /* Table of base-62 characters */
193 extern uschar *bi_command; /* Command for -bi option */
194 extern uschar *big_buffer; /* Used for various temp things */
195 extern int big_buffer_size; /* Current size (can expand) */
196 #ifdef EXPERIMENTAL_BRIGHTMAIL
197 extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
198 extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
199 extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
200 extern uschar *bmi_config_file; /* Brightmail config file */
201 extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
202 extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
203 extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
204 #endif
205 extern uschar *bounce_message_file; /* Template file */
206 extern uschar *bounce_message_text; /* One-liner */
207 extern uschar *bounce_recipient; /* When writing an errmsg */
208 extern BOOL bounce_return_body; /* Include body in returned message */
209 extern BOOL bounce_return_message; /* Include message in bounce */
210 extern int bounce_return_size_limit; /* Max amount to return */
211 extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
212 extern int bsmtp_transaction_linecount; /* Start of last transaction */
213
214 extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
215 extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
216 extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
217 extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
218 extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
219 extern uschar *check_dns_names_pattern;/* Regex for syntax check */
220 extern int check_log_inodes; /* Minimum for message acceptance */
221 extern int check_log_space; /* Minimum for message acceptance */
222 extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */
223 extern int check_spool_inodes; /* Minimum for message acceptance */
224 extern int check_spool_space; /* Minimum for message acceptance */
225 extern int clmacro_count; /* Number of command line macros */
226 extern uschar *clmacros[]; /* Copy of them, for re-exec */
227 extern int connection_max_messages;/* Max down one SMTP connection */
228 extern BOOL config_changed; /* True if -C used */
229 extern FILE *config_file; /* Configuration file */
230 extern uschar *config_filename; /* Configuration file name */
231 #ifdef CONFIGURE_GROUP
232 extern gid_t config_gid; /* Additional group owner */
233 #endif
234 extern int config_lineno; /* Line number */
235 extern uschar *config_main_filelist; /* List of possible config files */
236 extern uschar *config_main_filename; /* File name actually used */
237 #ifdef CONFIGURE_OWNER
238 extern uid_t config_uid; /* Additional owner */
239 #endif
240 extern uschar *continue_hostname; /* Host for continued delivery */
241 extern uschar *continue_host_address; /* IP address for ditto */
242 extern BOOL continue_more; /* Flag more addresses waiting */
243 extern int continue_sequence; /* Sequence num for continued delivery */
244 extern uschar *continue_transport; /* Transport for continued delivery */
245
246 extern uschar *csa_status; /* Client SMTP Authorization result */
247
248 extern BOOL daemon_listen; /* True if listening required */
249 extern uschar *daemon_smtp_port; /* Can be a list of ports */
250 extern int daemon_startup_retries; /* Number of times to retry */
251 extern int daemon_startup_sleep; /* Sleep between retries */
252
253 #ifdef EXPERIMENTAL_DCC
254 extern BOOL dcc_direct_add_header; /* directly add header */
255 extern uschar *dcc_header; /* dcc header */
256 extern uschar *dcc_result; /* dcc result */
257 extern uschar *dccifd_address; /* address of the dccifd daemon */
258 extern uschar *dccifd_options; /* options for the dccifd daemon */
259 #endif
260
261 extern BOOL debug_daemon; /* Debug the daemon process only */
262 extern int debug_fd; /* The fd for debug_file */
263 extern FILE *debug_file; /* Where to write debugging info */
264 extern bit_table debug_options[]; /* Table of debug options */
265 extern int debug_options_count; /* Size of table */
266 extern int delay_warning[]; /* Times between warnings */
267 extern uschar *delay_warning_condition; /* Condition string for warnings */
268 extern BOOL delivery_date_remove; /* Remove delivery-date headers */
269
270 extern uschar *deliver_address_data; /* Arbitrary data for an address */
271 extern int deliver_datafile; /* FD for data part of message */
272 extern uschar *deliver_domain; /* The local domain for delivery */
273 extern uschar *deliver_domain_data; /* From domain lookup */
274 extern uschar *deliver_domain_orig; /* The original local domain for delivery */
275 extern uschar *deliver_domain_parent; /* The parent domain for delivery */
276 extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
277 extern BOOL deliver_firsttime; /* True for first delivery attempt */
278 extern BOOL deliver_force; /* TRUE if delivery was forced */
279 extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
280 extern int deliver_frozen_at; /* Time of freezing */
281 extern uschar *deliver_home; /* Home directory for pipes */
282 extern uschar *deliver_host; /* (First) host for routed local deliveries */
283 /* Remote host for filter */
284 extern uschar *deliver_host_address; /* Address for remote delivery filter */
285 extern uschar *deliver_in_buffer; /* Buffer for copying file */
286 extern ino_t deliver_inode; /* Inode for appendfile */
287 extern uschar *deliver_localpart; /* The local part for delivery */
288 extern uschar *deliver_localpart_data; /* From local part lookup */
289 extern uschar *deliver_localpart_orig; /* The original local part for delivery */
290 extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
291 extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
292 extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
293 extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
294 extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
295 extern uschar *deliver_out_buffer; /* Buffer for copying file */
296 extern int deliver_queue_load_max; /* Different value for queue running */
297 extern address_item *deliver_recipients; /* Current set of addresses */
298 extern uschar *deliver_selectstring; /* For selecting by recipient */
299 extern BOOL deliver_selectstring_regex; /* String is regex */
300 extern uschar *deliver_selectstring_sender; /* For selecting by sender */
301 extern BOOL deliver_selectstring_sender_regex; /* String is regex */
302 #ifdef WITH_OLD_DEMIME
303 extern int demime_errorlevel; /* Severity of MIME error */
304 extern int demime_ok; /* Nonzero if message has been demimed */
305 extern uschar *demime_reason; /* Reason for broken MIME container */
306 #endif
307 extern BOOL disable_callout_flush; /* Don't flush before callouts */
308 extern BOOL disable_delay_flush; /* Don't flush before "delay" in ACL */
309 #ifdef ENABLE_DISABLE_FSYNC
310 extern BOOL disable_fsync; /* Not for normal use */
311 #endif
312 extern BOOL disable_ipv6; /* Don't do any IPv6 things */
313 extern BOOL disable_logging; /* Disables log writing when TRUE */
314
315 #ifndef DISABLE_DKIM
316 extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */
317 extern uschar *dkim_signers; /* Expansion variable, holds colon-separated list of domains and identities that have signed a message */
318 extern uschar *dkim_signing_domain; /* Expansion variable, domain used for signing a message. */
319 extern uschar *dkim_signing_selector; /* Expansion variable, selector used for signing a message. */
320 extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */
321 extern BOOL dkim_collect_input; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */
322 extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */
323 #endif
324
325 extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
326 extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */
327 extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */
328 extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
329 extern int dns_retrans; /* Retransmission time setting */
330 extern int dns_retry; /* Number of retries */
331 extern int dns_use_edns0; /* Coerce EDNS0 support on/off in resolver. */
332 extern uschar *dnslist_domain; /* DNS (black) list domain */
333 extern uschar *dnslist_matched; /* DNS (black) list matched key */
334 extern uschar *dnslist_text; /* DNS (black) list text message */
335 extern uschar *dnslist_value; /* DNS (black) list IP address */
336 extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
337 extern int domainlist_count; /* Number defined */
338 extern BOOL dont_deliver; /* TRUE for -N option */
339 extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
340
341 /* This option is now a no-opt, retained for compatibility */
342 extern BOOL drop_cr; /* For broken local MUAs */
343
344 extern uschar *dsn_from; /* From: string for DSNs */
345
346 extern BOOL enable_dollar_recipients; /* Make $recipients available */
347 extern int envelope_to_remove; /* Remove envelope_to_headers */
348 extern int errno_quota; /* Quota errno in this OS */
349 extern int error_handling; /* Error handling style */
350 extern uschar *errors_copy; /* For taking copies of errors */
351 extern uschar *errors_reply_to; /* Reply-to for error messages */
352 extern int errors_sender_rc; /* Return after message to sender*/
353 extern gid_t exim_gid; /* To be used with exim_uid */
354 extern BOOL exim_gid_set; /* TRUE if exim_gid set */
355 extern uschar *exim_path; /* Path to exec exim */
356 extern uid_t exim_uid; /* Non-root uid for exim */
357 extern BOOL exim_uid_set; /* TRUE if exim_uid set */
358 extern int expand_forbid; /* RDO flags for forbidding things */
359 extern int expand_nlength[]; /* Lengths of numbered strings */
360 extern int expand_nmax; /* Max numerical value */
361 extern uschar *expand_nstring[]; /* Numbered strings */
362 extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
363 extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
364 extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
365
366 extern int fake_response; /* Fake FAIL or DEFER response to data */
367 extern uschar *fake_response_text; /* User defined message for the above. Default is in globals.c. */
368 extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
369 extern BOOL filter_running; /* TRUE while running a filter */
370 extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
371 extern int filter_test; /* Filter test type */
372 extern uschar *filter_test_sfile; /* System filter test file */
373 extern uschar *filter_test_ufile; /* User filter test file */
374 extern uschar *filter_thisaddress; /* For address looping */
375 extern int finduser_retries; /* Retry count for getpwnam() */
376 extern uid_t fixed_never_users[]; /* Can't be overridden */
377 #ifdef WITH_OLD_DEMIME
378 extern uschar *found_extension; /* demime acl condition: file extension found */
379 #endif
380 extern uschar *freeze_tell; /* Message on (some) freezings */
381 extern uschar *freeze_tell_config; /* The configured setting */
382 extern uschar *fudged_queue_times; /* For use in test harness */
383
384 extern uschar *gecos_name; /* To be expanded when pattern matches */
385 extern uschar *gecos_pattern; /* Pattern to match */
386 extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
387
388 extern int header_insert_maxlen; /* Max for inserting headers */
389 extern int header_maxsize; /* Max total length for header */
390 extern int header_line_maxsize; /* Max for an individual line */
391 extern header_name header_names[]; /* Table of header names */
392 extern int header_names_size; /* Number of entries */
393 extern BOOL header_rewritten; /* TRUE if header changed by router */
394 extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
395 extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
396 extern uschar *helo_lookup_domains; /* If these given, lookup host name */
397 extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
398 extern BOOL helo_verified; /* True if HELO verified */
399 extern BOOL helo_verify_failed; /* True if attempt failed */
400 extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
401 extern const uschar *hex_digits; /* Used in several places */
402 extern uschar *hold_domains; /* Hold up deliveries to these */
403 extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
404 extern BOOL host_checking_callout; /* TRUE if real callout wanted */
405 extern uschar *host_data; /* Obtained from lookup in ACL */
406 extern uschar *host_lookup; /* For which IP addresses are always looked up */
407 extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
408 extern BOOL host_lookup_failed; /* TRUE if lookup failed */
409 extern uschar *host_lookup_order; /* Order of host lookup types */
410 extern uschar *host_lookup_msg; /* Text for why it failed */
411 extern int host_number; /* For sharing spools */
412 extern uschar *host_number_string; /* For expanding */
413 extern uschar *host_reject_connection; /* Reject these hosts */
414 extern tree_node *hostlist_anchor; /* Tree of defined host lists */
415 extern int hostlist_count; /* Number defined */
416 extern uschar *hosts_connection_nolog; /* Limits the logging option */
417 extern uschar *hosts_treat_as_local; /* For routing */
418
419 extern int ignore_bounce_errors_after; /* Keep them for this time. */
420 extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
421 extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
422 extern BOOL is_inetd; /* True for inetd calls */
423 extern uschar *iterate_item; /* Item from iterate list */
424
425 extern int journal_fd; /* Fd for journal file */
426
427 extern int keep_malformed; /* Time to keep malformed messages */
428
429 extern uschar *eldap_dn; /* Where LDAP DNs are left */
430 extern int load_average; /* Most recently read load average */
431 extern BOOL local_error_message; /* True if handling one of these */
432 extern BOOL local_from_check; /* For adding Sender: (global value) */
433 extern uschar *local_from_prefix; /* Permitted prefixes */
434 extern uschar *local_from_suffix; /* Permitted suffixes */
435 extern uschar *local_interfaces; /* For forcing specific interfaces */
436 extern uschar *local_scan_data; /* Text returned by local_scan() */
437 extern optionlist local_scan_options[];/* Option list for local_scan() */
438 extern int local_scan_options_count; /* Size of the list */
439 extern int local_scan_timeout; /* Timeout for local_scan() */
440 extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
441 extern gid_t local_user_gid; /* As it says; may be set in routers */
442 extern uid_t local_user_uid; /* As it says; may be set in routers */
443 extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
444 extern int localpartlist_count; /* Number defined */
445 extern uschar *log_buffer; /* For constructing log entries */
446 extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
447 extern uschar *log_file_path; /* If unset, use default */
448 extern bit_table log_options[]; /* Table of options */
449 extern int log_options_count; /* Size of table */
450 extern int log_reject_target; /* Target log for ACL rejections */
451 extern uschar *log_selector_string; /* As supplied in the config */
452 extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
453 extern BOOL log_testing_mode; /* TRUE in various testing modes */
454 extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
455 extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
456 extern uschar *login_sender_address; /* The actual sender address */
457 extern lookup_info **lookup_list; /* Array of pointers to available lookups */
458 extern int lookup_list_count; /* Number of entries in the list */
459 extern int lookup_open_max; /* Max lookup files to cache */
460 extern uschar *lookup_value; /* Value looked up from file */
461
462 extern macro_item *macros; /* Configuration macros */
463 extern uschar *mailstore_basename; /* For mailstore deliveries */
464 #ifdef WITH_CONTENT_SCAN
465 extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
466 #endif
467 extern int max_received_linelength;/* What it says */
468 extern int max_username_length; /* For systems with broken getpwnam() */
469 extern int message_age; /* In seconds */
470 extern uschar *message_body; /* Start of message body for filter */
471 extern uschar *message_body_end; /* End of message body for filter */
472 extern BOOL message_body_newlines; /* FALSE => remove newlines */
473 extern int message_body_size; /* Sic */
474 extern int message_body_visible; /* Amount visible in message_body */
475 extern int message_ended; /* State of message reading and how ended */
476 extern uschar *message_headers; /* When built */
477 extern uschar message_id_option[]; /* -E<message-id> for use as option */
478 extern uschar *message_id_external; /* External form of following */
479 extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
480 extern uschar *message_id_text; /* Expanded to form message_id */
481 extern struct timeval message_id_tv; /* Time used to create last message_id */
482 extern int message_linecount; /* As it says */
483 extern BOOL message_logs; /* TRUE to write message logs */
484 extern int message_size; /* Size of message */
485 extern uschar *message_size_limit; /* As it says */
486 extern uschar message_subdir[]; /* Subdirectory for messages */
487 extern uschar *message_reference; /* Reference for error messages */
488
489 /* MIME ACL expandables */
490 #ifdef WITH_CONTENT_SCAN
491 extern int mime_anomaly_level;
492 extern const uschar *mime_anomaly_text;
493 extern uschar *mime_boundary;
494 extern uschar *mime_charset;
495 extern uschar *mime_content_description;
496 extern uschar *mime_content_disposition;
497 extern uschar *mime_content_id;
498 extern unsigned int mime_content_size;
499 extern uschar *mime_content_transfer_encoding;
500 extern uschar *mime_content_type;
501 extern uschar *mime_decoded_filename;
502 extern uschar *mime_filename;
503 extern int mime_is_multipart;
504 extern int mime_is_coverletter;
505 extern int mime_is_rfc822;
506 extern int mime_part_count;
507 #endif
508
509 extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
510
511 extern uid_t *never_users; /* List of uids never to be used */
512 #ifdef WITH_CONTENT_SCAN
513 extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
514 #endif
515 extern BOOL no_multiline_responses; /* For broken clients */
516
517 extern optionlist optionlist_auths[]; /* These option lists are made */
518 extern int optionlist_auths_size; /* global so that readconf can */
519 extern optionlist optionlist_routers[]; /* see them for printing out */
520 extern int optionlist_routers_size; /* the options. */
521 extern optionlist optionlist_transports[];
522 extern int optionlist_transports_size;
523
524 extern uid_t original_euid; /* Original effective uid */
525 extern gid_t originator_gid; /* Gid of whoever wrote spool file */
526 extern uschar *originator_login; /* Login of same */
527 extern uschar *originator_name; /* Full name of same */
528 extern uid_t originator_uid; /* Uid of ditto */
529 extern uschar *override_local_interfaces; /* Value of -oX argument */
530 extern uschar *override_pid_file_path; /* Value of -oP argument */
531
532 extern BOOL parse_allow_group; /* Allow group syntax */
533 extern BOOL parse_found_group; /* In the middle of a group */
534 extern uschar *percent_hack_domains; /* Local domains for which '% operates */
535 extern uschar *pid_file_path; /* For writing daemon pids */
536 extern uschar *pipelining_advertise_hosts; /* As it says */
537 extern BOOL pipelining_enable; /* As it says */
538 extern BOOL preserve_message_logs; /* Save msglog files */
539 extern uschar *primary_hostname; /* Primary name of this computer */
540 extern BOOL print_topbitchars; /* Topbit chars are printing chars */
541 extern uschar process_info[]; /* For SIGUSR1 output */
542 extern int process_info_len;
543 extern uschar *process_log_path; /* Alternate path */
544 extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
545 extern uschar *prvscheck_address; /* Set during prvscheck expansion item */
546 extern uschar *prvscheck_keynum; /* Set during prvscheck expansion item */
547 extern uschar *prvscheck_result; /* Set during prvscheck expansion item */
548
549 extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
550 extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
551 extern BOOL queue_2stage; /* Run queue in 2-stage manner */
552 extern uschar *queue_domains; /* Queue these domains */
553 extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
554 extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
555 extern BOOL queue_run_force; /* TRUE to force during queue run */
556 extern BOOL queue_run_local; /* Local deliveries only in queue run */
557 extern BOOL queue_running; /* TRUE for queue running process and */
558 /* immediate children */
559 extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
560 extern int queue_run_pipe; /* Pipe for synchronizing */
561 extern int queue_interval; /* Queue running interval */
562 extern BOOL queue_only; /* TRUE to disable immediate delivery */
563 extern int queue_only_load; /* Max load before auto-queue */
564 extern BOOL queue_only_load_latch; /* Latch queue_only_load TRUE */
565 extern uschar *queue_only_file; /* Queue if file exists/not-exists */
566 extern BOOL queue_only_override; /* Allow override from command line */
567 extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
568 extern BOOL queue_run_in_order; /* As opposed to random */
569 extern int queue_run_max; /* Max queue runners */
570 extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
571 extern uschar *queue_smtp_domains; /* Ditto, for these domains */
572
573 extern unsigned int random_seed; /* Seed for random numbers */
574 extern tree_node *ratelimiters_cmd; /* Results of command ratelimit checks */
575 extern tree_node *ratelimiters_conn; /* Results of connection ratelimit checks */
576 extern tree_node *ratelimiters_mail; /* Results of per-mail ratelimit checks */
577 extern uschar *raw_active_hostname; /* Pre-expansion */
578 extern uschar *raw_sender; /* Before rewriting */
579 extern uschar **raw_recipients; /* Before rewriting */
580 extern int raw_recipients_count;
581 extern int rcpt_count; /* Count of RCPT commands in a message */
582 extern int rcpt_fail_count; /* Those that got 5xx */
583 extern int rcpt_defer_count; /* Those that got 4xx */
584 extern gid_t real_gid; /* Real gid */
585 extern uid_t real_uid; /* Real user running program */
586 extern BOOL really_exim; /* FALSE in utilities */
587 extern BOOL receive_call_bombout; /* Flag for crashing log */
588 extern int receive_linecount; /* Mainly for BSMTP errors */
589 extern int receive_messagecount; /* Mainly for BSMTP errors */
590 extern int receive_timeout; /* For non-SMTP acceptance */
591 extern int received_count; /* Count of Received: headers */
592 extern uschar *received_for; /* For "for" field */
593 extern uschar *received_header_text; /* Definition of Received: header */
594 extern int received_headers_max; /* Max count of Received: headers */
595 extern int received_time; /* Time the message was received */
596 extern uschar *recipient_data; /* lookup data for recipients */
597 extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
598 extern uschar *recipient_verify_failure; /* What went wrong */
599 extern BOOL recipients_discarded; /* By an ACL */
600 extern int recipients_list_max; /* Maximum number fitting in list */
601 extern int recipients_max; /* Max permitted */
602 extern int recipients_max_reject; /* If TRUE, reject whole message */
603 extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
604 extern const pcre *regex_check_dns_names; /* For DNS name checking */
605 extern const pcre *regex_From; /* For recognizing "From_" lines */
606 extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
607 extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
608 extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
609 extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */
610 extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
611 #ifdef WHITELIST_D_MACROS
612 extern const pcre *regex_whitelisted_macro; /* For -D macro values */
613 #endif
614 #ifdef WITH_CONTENT_SCAN
615 extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
616 #endif
617 extern int remote_delivery_count; /* Number of remote addresses */
618 extern int remote_max_parallel; /* Maximum parallel delivery */
619 extern uschar *remote_sort_domains; /* Remote domain sorting order */
620 extern retry_config *retries; /* Chain of retry config information */
621 extern int retry_data_expire; /* When to expire retry data */
622 extern int retry_interval_max; /* Absolute maximum */
623 extern int retry_maximum_timeout; /* The maximum timeout */
624 extern uschar *return_path; /* Return path for a message */
625 extern BOOL return_path_remove; /* Remove return-path headers */
626 extern int rewrite_existflags; /* Indicate which headers have rewrites */
627 extern uschar *rfc1413_hosts; /* RFC hosts */
628 extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
629 /* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
630 extern uid_t root_gid; /* The gid for root */
631 extern uid_t root_uid; /* The uid for root */
632 extern router_info routers_available[];/* Vector of available routers */
633 extern router_instance *routers; /* Chain of instantiated routers */
634 extern router_instance router_defaults;/* Default values */
635 extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
636 extern ip_address_item *running_interfaces; /* Host's running interfaces */
637 extern uschar *running_status; /* Flag string for testing */
638 extern int runrc; /* rc from ${run} */
639
640 extern uschar *search_error_message; /* Details of lookup problem */
641 extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
642 extern uschar *self_hostname; /* Self host after routing->directors */
643 extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
644 extern uschar *sender_address_data; /* address_data from sender verify */
645 extern BOOL sender_address_forced; /* Set by -f */
646 extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
647 extern uschar *sender_data; /* lookup result for senders */
648 extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
649 extern uschar *sender_fullhost; /* Sender host name + address */
650 extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
651 extern uschar **sender_host_aliases; /* Points to list of alias names */
652 extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
653 extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
654 extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
655 extern uschar *sender_ident; /* Sender identity via RFC 1413 */
656 extern BOOL sender_local; /* TRUE for local senders */
657 extern BOOL sender_name_forced; /* Set by -F */
658 extern uschar *sender_rate; /* Sender rate computed by ACL */
659 extern uschar *sender_rate_limit; /* Configured rate limit */
660 extern uschar *sender_rate_period; /* Configured smoothing period */
661 extern uschar *sender_rcvhost; /* Host data for Received: */
662 extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
663 extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
664 extern uschar *sender_verify_failure; /* What went wrong */
665 extern address_item *sender_verified_list; /* Saved chain of sender verifies */
666 extern address_item *sender_verified_failed; /* The one that caused denial */
667 extern uschar *sending_ip_address; /* Address of outgoing (SMTP) interface */
668 extern int sending_port; /* Port of outgoing interface */
669 extern SIGNAL_BOOL sigalrm_seen; /* Flag for sigalrm_handler */
670 extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
671 extern int smtp_accept_count; /* Count of connections */
672 extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
673 extern int smtp_accept_max; /* Max SMTP connections */
674 extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
675 extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
676 extern int smtp_accept_max_per_connection; /* Max msgs per connection */
677 extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
678 extern int smtp_accept_queue; /* Queue after so many connections */
679 extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
680 extern int smtp_accept_reserve; /* Reserve these SMTP connections */
681 extern uschar *smtp_active_hostname; /* Hostname for this message */
682 extern BOOL smtp_authenticated; /* Sending client has authenticated */
683 extern uschar *smtp_banner; /* Banner string (to be expanded) */
684 extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
685 extern int smtp_ch_index; /* Index in smtp_connection_had */
686 extern uschar *smtp_cmd_argument; /* For all SMTP commands */
687 extern uschar *smtp_cmd_buffer; /* SMTP command buffer */
688 extern time_t smtp_connection_start; /* Start time of SMTP connection */
689 extern uschar smtp_connection_had[]; /* Recent SMTP commands */
690 extern int smtp_connect_backlog; /* Max backlog permitted */
691 extern double smtp_delay_mail; /* Current MAIL delay */
692 extern double smtp_delay_rcpt; /* Current RCPT delay */
693 extern BOOL smtp_enforce_sync; /* Enforce sync rules */
694 extern uschar *smtp_etrn_command; /* Command to run */
695 extern BOOL smtp_etrn_serialize; /* Only one at once */
696 extern FILE *smtp_in; /* Incoming SMTP input file */
697 extern int smtp_load_reserve; /* Only from reserved if load > this */
698 extern int smtp_mailcmd_count; /* Count of MAIL commands */
699 extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
700 extern int smtp_max_unknown_commands; /* As it says */
701 extern uschar *smtp_notquit_reason; /* Global for disconnect reason */
702 extern FILE *smtp_out; /* Incoming SMTP output file */
703 extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
704 extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
705 extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
706 extern uschar *smtp_read_error; /* Message for SMTP input error */
707 extern int smtp_receive_timeout; /* Applies to each received line */
708 extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
709 extern BOOL smtp_return_error_details; /* TRUE to return full info */
710 extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
711 extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
712 extern int smtp_rlm_limit; /* Max delay */
713 extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
714 extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
715 extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
716 extern int smtp_rlr_limit; /* Max delay */
717 extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
718 extern BOOL smtp_use_pipelining; /* Global for passed connections */
719 extern BOOL smtp_use_size; /* Global for passed connections */
720
721 #ifdef WITH_CONTENT_SCAN
722 extern uschar *spamd_address; /* address for the spamassassin daemon */
723 extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
724 extern uschar *spam_report; /* the spamd report (multiline) */
725 extern uschar *spam_score; /* the spam score (float) */
726 extern uschar *spam_score_int; /* spam_score * 10 (int) */
727 #endif
728 #ifdef EXPERIMENTAL_SPF
729 extern uschar *spf_guess; /* spf best-guess record */
730 extern uschar *spf_header_comment; /* spf header comment */
731 extern uschar *spf_received; /* Received-SPF: header */
732 extern uschar *spf_result; /* spf result in string form */
733 extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
734 #endif
735 extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
736 extern uschar *spool_directory; /* Name of spool directory */
737 #ifdef EXPERIMENTAL_SRS
738 extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
739 extern uschar *srs_db_address; /* SRS db address */
740 extern uschar *srs_db_key; /* SRS db key */
741 extern int srs_hashlength; /* SRS hash length */
742 extern int srs_hashmin; /* SRS minimum hash length */
743 extern int srs_maxage; /* SRS max age */
744 extern uschar *srs_orig_sender; /* SRS original sender */
745 extern uschar *srs_orig_recipient; /* SRS original recipient */
746 extern uschar *srs_recipient; /* SRS recipient */
747 extern uschar *srs_secrets; /* SRS secrets list */
748 extern uschar *srs_status; /* SRS staus */
749 extern BOOL srs_usehash; /* SRS use hash flag */
750 extern BOOL srs_usetimestamp; /* SRS use timestamp flag */
751 #endif
752 extern BOOL strict_acl_vars; /* ACL variables have to be set before being used */
753 extern int string_datestamp_offset;/* After insertion by string_format */
754 extern int string_datestamp_length;/* After insertion by string_format */
755 extern int string_datestamp_type; /* After insertion by string_format */
756 extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
757 extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
758 extern uschar *submission_domain; /* Domain for submission mode */
759 extern BOOL submission_mode; /* Can be forced from ACL */
760 extern uschar *submission_name; /* User name set from ACL */
761 extern BOOL suppress_local_fixups; /* Can be forced from ACL */
762 extern BOOL synchronous_delivery; /* TRUE if -odi is set */
763 extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
764 extern int syslog_facility; /* As defined by Syslog.h */
765 extern uschar *syslog_processname; /* 'ident' param to openlog() */
766 extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
767 extern uschar *system_filter; /* Name of system filter file */
768
769 extern uschar *system_filter_directory_transport; /* Transports for the */
770 extern uschar *system_filter_file_transport; /* system filter */
771 extern uschar *system_filter_pipe_transport;
772 extern uschar *system_filter_reply_transport;
773
774 extern gid_t system_filter_gid; /* Gid for running system filter */
775 extern BOOL system_filter_gid_set; /* TRUE if gid set */
776 extern uid_t system_filter_uid; /* Uid for running system filter */
777 extern BOOL system_filter_uid_set; /* TRUE if uid set */
778 extern BOOL system_filtering; /* TRUE when running system filter */
779
780 extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
781 #ifdef USE_TCP_WRAPPERS
782 extern uschar *tcp_wrappers_daemon_name; /* tcpwrappers daemon lookup name */
783 #endif
784 extern int test_harness_load_avg; /* For use when testing */
785 extern int thismessage_size_limit; /* Limit for this message */
786 extern int timeout_frozen_after; /* Max time to keep frozen messages */
787 extern BOOL timestamps_utc; /* Use UTC for all times */
788 extern int transport_count; /* Count of bytes transported */
789 extern int transport_newlines; /* Accurate count of number of newline chars transported */
790 extern uschar **transport_filter_argv; /* For on-the-fly filtering */
791 extern int transport_filter_timeout; /* Timeout for same */
792 extern BOOL transport_filter_timed_out; /* True if it did */
793
794 extern transport_info transports_available[]; /* Vector of available transports */
795 extern transport_instance *transports; /* Chain of instantiated transports */
796 extern transport_instance transport_defaults; /* Default values */
797
798 extern int transport_write_timeout;/* Set to time out individual writes */
799
800 extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
801 extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
802 extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
803 extern tree_node *tree_unusable; /* Tree of unusable addresses */
804
805 extern BOOL trusted_caller; /* Caller is trusted */
806 extern BOOL trusted_config; /* Configuration file is trusted */
807 extern gid_t *trusted_groups; /* List of trusted groups */
808 extern uid_t *trusted_users; /* List of trusted users */
809 extern uschar *timezone_string; /* Required timezone setting */
810
811 extern uschar *unknown_login; /* To use when login id unknown */
812 extern uschar *unknown_username; /* Ditto */
813 extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
814 extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
815 extern uschar *uucp_from_sender; /* For building the sender */
816
817 extern uschar *warn_message_file; /* Template for warning messages */
818 extern uschar *warnmsg_delay; /* String form of delay time */
819 extern uschar *warnmsg_recipients; /* Recipients of warning message */
820 extern BOOL write_rejectlog; /* Control of reject logging */
821
822 extern uschar *version_copyright; /* Copyright notice */
823 extern uschar *version_date; /* Date of compilation */
824 extern uschar *version_cnumber; /* Compile number */
825 extern uschar *version_string; /* Version string */
826
827 extern int warning_count; /* Delay warnings sent for this msg */
828
829 /* End of globals.h */
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