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[exim.git] / src / src / globals.h
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f05da2e8 1/* $Cambridge: exim/src/src/globals.h,v 1.7 2004/11/25 13:54:31 ph10 Exp $ */
059ec3d9
PH		 2
3/*************************************************
4* Exim - an Internet mail transport agent *
5*************************************************/
6
7/* Copyright (c) University of Cambridge 1995 - 2004 */
8/* See the file NOTICE for conditions of use and distribution. */
9
10/* Almost all the global variables are defined together in this one header, so
11that they are easy to find. However, those that are visible during the
12compilation of the local_scan() function are defined separately in the
13local_scan.h header file. */
14
15/* First put any specials that are required for some operating systems. */
16
17#ifdef NEED_H_ERRNO
18extern int h_errno;
19#endif
20
21/* Now things that are present only when configured. */
22
23#ifdef EXIM_PERL
24extern uschar *opt_perl_startup; /* Startup code for Perl interpreter */
25extern BOOL opt_perl_at_start; /* Start Perl interpreter at start */
26extern BOOL opt_perl_started; /* Set once interpreter started */
27#endif
28
29#ifdef LOOKUP_IBASE
30extern uschar *ibase_servers;
31#endif
32
33#ifdef LOOKUP_LDAP
34extern uschar *eldap_default_servers; /* List of default servers */
35extern int eldap_version; /* LDAP version */
36#endif
37
38#ifdef LOOKUP_MYSQL
39extern uschar *mysql_servers; /* List of servers and connect info */
40#endif
41
42#ifdef LOOKUP_ORACLE
43extern uschar *oracle_servers; /* List of servers and connect info */
44#endif
45
46#ifdef LOOKUP_PGSQL
47extern uschar *pgsql_servers; /* List of servers and connect info */
48#endif
49
50#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
51extern BOOL move_frozen_messages; /* Get them out of the normal directory */
52#endif
53
54/* These variables are outside the #ifdef because it keeps the code less
55cluttered in several places (e.g. during logging) if we can always refer to
56them. Also, the tls_ variables are now always visible. */
57
58extern int tls_active; /* fd/socket when in a TLS session */
59extern BOOL tls_certificate_verified; /* Client certificate verified */
60extern uschar *tls_cipher; /* Cipher used */
61extern BOOL tls_on_connect; /* For older MTAs that don't STARTTLS */
62extern uschar *tls_on_connect_ports; /* Ports always tls-on-connect */
63extern uschar *tls_peerdn; /* DN from peer */
64
65#ifdef SUPPORT_TLS
66extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
67extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
68extern uschar *tls_certificate; /* Certificate file */
69extern uschar *tls_crl; /* CRL File */
70extern uschar *tls_dhparam; /* DH param file */
71extern BOOL tls_offered; /* Server offered TLS */
72extern uschar *tls_privatekey; /* Private key file */
73extern BOOL tls_remember_esmtp; /* For YAEB */
74extern uschar *tls_require_ciphers; /* So some can be avoided */
75extern uschar *tls_try_verify_hosts; /* Optional client verification */
76extern uschar *tls_verify_certificates;/* Path for certificates to check */
77extern uschar *tls_verify_hosts; /* Mandatory client verification */
78#endif
79
80
81/* Input-reading functions for messages, so we can use special ones for
82incoming TCP/IP. */
83
84extern int (*receive_getc)(void);
85extern int (*receive_ungetc)(int);
86extern int (*receive_feof)(void);
87extern int (*receive_ferror)(void);
88
89
90/* For clearing, saving, restoring address expansion variables. We have to have
91the size of this vector set explicitly, because it is referenced from more than
92one module. */
93
94extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
95
96/* General global variables */
97
98extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
99extern tree_node *acl_anchor; /* Tree of named ACLs */
100extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
101extern uschar *acl_smtp_auth; /* ACL run for AUTH */
102extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
103extern uschar *acl_smtp_data; /* ACL run after DATA received */
104extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
105extern uschar *acl_smtp_expn; /* ACL run for EXPN */
106extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
107extern uschar *acl_smtp_mail; /* ACL run for MAIL */
108extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
109extern uschar *acl_smtp_predata; /* ACL run for DATA command */
110extern uschar *acl_smtp_quit; /* ACL run for QUIT */
111extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
112extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
113extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
114extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
115extern uschar *acl_var[ACL_C_MAX+ACL_M_MAX]; /* User variables */
116extern uschar *acl_verify_message; /* User message for verify failure */
117extern header_line *acl_warn_headers; /* Warning headers added by ACL */
118extern string_item *acl_warn_logged; /* Logged lines */
119extern int acl_wherecodes[]; /* Response codes for ACL fails */
120extern uschar *acl_wherenames[]; /* Names for messages */
69358f02
PH		 121extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
122extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
059ec3d9
PH		 123extern address_item *addr_duplicate; /* Duplicate address list */
124extern address_item address_defaults; /* Default data for address item */
125extern uschar *address_file; /* Name of file when delivering to one */
126extern uschar *address_pipe; /* Pipe command when delivering to one */
127extern BOOL address_test_mode; /* True for -bt */
128extern tree_node *addresslist_anchor; /* Tree of defined address lists */
129extern int addresslist_count; /* Number defined */
130extern gid_t *admin_groups; /* List of admin groups */
131extern BOOL admin_user; /* True if caller can do admin */
132extern BOOL allow_domain_literals; /* As it says */
133extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
134extern BOOL allow_unqualified_recipient; /* As it says */
135extern BOOL allow_unqualified_sender; /* Ditto */
136extern BOOL allow_utf8_domains; /* For experimenting */
137extern uschar *authenticated_id; /* ID that was authenticated */
138extern uschar *authenticated_sender; /* From AUTH on MAIL */
139extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
140extern uschar *auth_advertise_hosts; /* Only advertise to these */
141extern auth_info auths_available[]; /* Vector of available auth mechanisms */
142extern auth_instance *auths; /* Chain of instantiated auths */
143extern auth_instance auth_defaults; /* Default values */
144extern uschar *auth_defer_msg; /* Error message for log */
145extern uschar *auth_defer_user_msg; /* Error message for user */
146extern int auto_thaw; /* Auto-thaw interval */
147
148extern BOOL background_daemon; /* Set FALSE to keep in foreground */
149extern uschar *base62_chars; /* Table of base-62 characters */
150extern uschar *bi_command; /* Command for -bi option */
151extern uschar *big_buffer; /* Used for various temp things */
152extern int big_buffer_size; /* Current size (can expand) */
153extern int body_linecount; /* Line count in body */
154extern int body_zerocount; /* Binary zero count in body */
155extern uschar *bounce_message_file; /* Template file */
156extern uschar *bounce_message_text; /* One-liner */
157extern uschar *bounce_recipient; /* When writing an errmsg */
158extern BOOL bounce_return_body; /* Include body in returned message */
159extern BOOL bounce_return_message; /* Include message in bounce */
160extern int bounce_return_size_limit; /* Max amount to return */
161extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
162extern int bsmtp_transaction_linecount; /* Start of last transaction */
163
164extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
165extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
166extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
167extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
168extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
169extern uschar *check_dns_names_pattern;/* Regex for syntax check */
170extern int check_log_inodes; /* Minimum for message acceptance */
171extern int check_log_space; /* Minimum for message acceptance */
172extern int check_spool_inodes; /* Minimum for message acceptance */
173extern int check_spool_space; /* Minimum for message acceptance */
174extern int clmacro_count; /* Number of command line macros */
175extern uschar *clmacros[]; /* Copy of them, for re-exec */
176extern int connection_max_messages;/* Max down one SMTP connection */
177extern BOOL config_changed; /* True if -C used */
178extern FILE *config_file; /* Configuration file */
179extern uschar *config_filename; /* Configuration file name */
35edf2ff
PH		 180#ifdef CONFIGURE_GROUP
181extern gid_t config_gid; /* Additional group owner */
182#endif
059ec3d9
PH		 183extern int config_lineno; /* Line number */
184extern uschar *config_main_filelist; /* List of possible config files */
185extern uschar *config_main_filename; /* File name actually used */
186#ifdef CONFIGURE_OWNER
187extern uid_t config_uid; /* Additional owner */
188#endif
189extern uschar *continue_hostname; /* Host for continued delivery */
190extern uschar *continue_host_address; /* IP address for ditto */
191extern BOOL continue_more; /* Flag more addresses waiting */
192extern int continue_sequence; /* Sequence num for continued delivery */
193extern uschar *continue_transport; /* Transport for continued delivery */
194
195extern BOOL daemon_listen; /* True if listening required */
196extern uschar *daemon_smtp_port; /* Can be a list of ports */
3d235903 197extern BOOL debug_daemon; /* Debug the daemon process only */
059ec3d9
PH		 198extern int debug_fd; /* The fd for debug_file */
199extern FILE *debug_file; /* Where to write debugging info */
200extern bit_table debug_options[]; /* Table of debug options */
201extern int debug_options_count; /* Size of table */
202extern int delay_warning[]; /* Times between warnings */
203extern uschar *delay_warning_condition; /* Condition string for warnings */
204extern BOOL delivery_date_remove; /* Remove delivery-date headers */
205
206extern uschar *deliver_address_data; /* Arbitrary data for an address */
207extern int deliver_datafile; /* FD for data part of message */
208extern uschar *deliver_domain; /* The local domain for delivery */
209extern uschar *deliver_domain_data; /* From domain lookup */
210extern uschar *deliver_domain_orig; /* The original local domain for delivery */
211extern uschar *deliver_domain_parent; /* The parent domain for delivery */
212extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
213extern BOOL deliver_firsttime; /* True for first delivery attempt */
214extern BOOL deliver_force; /* TRUE if delivery was forced */
215extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
216extern int deliver_frozen_at; /* Time of freezing */
217extern uschar *deliver_home; /* Home directory for pipes */
218extern uschar *deliver_host; /* (First) host for routed local deliveries */
219 /* Remote host for filter */
220extern uschar *deliver_host_address; /* Address for remote delivery filter */
221extern uschar *deliver_in_buffer; /* Buffer for copying file */
222extern ino_t deliver_inode; /* Inode for appendfile */
223extern uschar *deliver_localpart; /* The local part for delivery */
224extern uschar *deliver_localpart_data; /* From local part lookup */
225extern uschar *deliver_localpart_orig; /* The original local part for delivery */
226extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
227extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
228extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
229extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
230extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
231extern uschar *deliver_out_buffer; /* Buffer for copying file */
232extern int deliver_queue_load_max; /* Different value for queue running */
233extern address_item *deliver_recipients; /* Current set of addresses */
234extern uschar *deliver_selectstring; /* For selecting by recipient */
235extern BOOL deliver_selectstring_regex; /* String is regex */
236extern uschar *deliver_selectstring_sender; /* For selecting by sender */
237extern BOOL deliver_selectstring_sender_regex; /* String is regex */
238extern BOOL disable_logging; /* Disables log writing when TRUE */
239
240extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
241extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
242extern int dns_retrans; /* Retransmission time setting */
243extern int dns_retry; /* Number of retries */
244extern uschar *dnslist_domain; /* DNS (black) list domain */
245extern uschar *dnslist_text; /* DNS (black) list text message */
246extern uschar *dnslist_value; /* DNS (black) list IP address */
247extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
248extern int domainlist_count; /* Number defined */
249extern BOOL dont_deliver; /* TRUE for -N option */
250extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
251
252/* This option is now a no-opt, retained for compatibility */
253extern BOOL drop_cr; /* For broken local MUAs */
254
255extern BOOL enable_dollar_recipients; /* Make $recipients available */
256extern int envelope_to_remove; /* Remove envelope_to_headers */
257extern int errno_quota; /* Quota errno in this OS */
258extern int error_handling; /* Error handling style */
259extern uschar *errors_copy; /* For taking copies of errors */
260extern uschar *errors_reply_to; /* Reply-to for error messages */
261extern int errors_sender_rc; /* Return after message to sender*/
262extern gid_t exim_gid; /* To be used with exim_uid */
263extern BOOL exim_gid_set; /* TRUE if exim_gid set */
264extern uschar *exim_path; /* Path to exec exim */
265extern uid_t exim_uid; /* Non-root uid for exim */
266extern BOOL exim_uid_set; /* TRUE if exim_uid set */
267extern int expand_forbid; /* RDO flags for forbidding things */
268extern int expand_nlength[]; /* Lengths of numbered strings */
269extern int expand_nmax; /* Max numerical value */
270extern uschar *expand_nstring[]; /* Numbered strings */
271extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
272extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
273extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
274
275extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
276extern BOOL filter_running; /* TRUE while running a filter */
277extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
f05da2e8
PH		 278extern int filter_test; /* Filter test type */
279extern uschar *filter_test_sfile; /* System filter test file */
280extern uschar *filter_test_ufile; /* User filter test file */
059ec3d9
PH		 281extern uschar *filter_thisaddress; /* For address looping */
282extern int finduser_retries; /* Retry count for getpwnam() */
283extern uid_t fixed_never_users[]; /* Can't be overridden */
284extern uschar *freeze_tell; /* Message on (some) freezings */
285extern uschar *fudged_queue_times; /* For use in test harness */
286
287extern uschar *gecos_name; /* To be expanded when pattern matches */
288extern uschar *gecos_pattern; /* Pattern to match */
289extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
290
291extern int header_insert_maxlen; /* Max for inserting headers */
292extern int header_maxsize; /* Max total length for header */
293extern int header_line_maxsize; /* Max for an individual line */
294extern header_name header_names[]; /* Table of header names */
295extern int header_names_size; /* Number of entries */
296extern BOOL header_rewritten; /* TRUE if header changed by router */
297extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
298extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
299extern uschar *helo_lookup_domains; /* If these given, lookup host name */
300extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
301extern BOOL helo_verified; /* True if HELO verified */
302extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
303extern uschar *hex_digits; /* Used in several places */
304extern uschar *hold_domains; /* Hold up deliveries to these */
305extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
306extern BOOL host_checking_callout; /* TRUE if real callout wanted */
307extern uschar *host_data; /* Obtained from lookup in ACL */
308extern uschar *host_lookup; /* For which IP addresses are always looked up */
309extern BOOL host_lookup_failed; /* TRUE if lookup failed */
310extern uschar *host_lookup_order; /* Order of host lookup types */
311extern uschar *host_lookup_msg; /* Text for why it failed */
312extern int host_number; /* For sharing spools */
313extern uschar *host_number_string; /* For expanding */
314extern uschar *host_reject_connection; /* Reject these hosts */
315extern tree_node *hostlist_anchor; /* Tree of defined host lists */
316extern int hostlist_count; /* Number defined */
317extern uschar *hosts_connection_nolog; /* Limits the logging option */
318extern uschar *hosts_treat_as_local; /* For routing */
319
320extern int ignore_bounce_errors_after; /* Keep them for this time. */
321extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
322extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
323extern BOOL is_inetd; /* True for inetd calls */
324
325extern int journal_fd; /* Fd for journal file */
326
327extern int keep_malformed; /* Time to keep malformed messages */
328
329extern uschar *eldap_dn; /* Where LDAP DNs are left */
330extern int load_average; /* Most recently read load average */
331extern BOOL local_error_message; /* True if handling one of these */
69358f02 332extern BOOL local_from_check; /* For adding Sender: (global value) */
059ec3d9
PH		 333extern uschar *local_from_prefix; /* Permitted prefixes */
334extern uschar *local_from_suffix; /* Permitted suffixes */
335extern uschar *local_interfaces; /* For forcing specific interfaces */
336extern uschar *local_scan_data; /* Text returned by local_scan() */
337extern optionlist local_scan_options[];/* Option list for local_scan() */
338extern int local_scan_options_count; /* Size of the list */
339extern int local_scan_timeout; /* Timeout for local_scan() */
340extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
341extern gid_t local_user_gid; /* As it says; may be set in routers */
342extern uid_t local_user_uid; /* As it says; may be set in routers */
343extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
344extern int localpartlist_count; /* Number defined */
345extern uschar *log_buffer; /* For constructing log entries */
346extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
347extern uschar *log_file_path; /* If unset, use default */
348extern bit_table log_options[]; /* Table of options */
349extern int log_options_count; /* Size of table */
350extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
351extern uschar *log_selector_string; /* As supplied in the config */
352extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
353extern BOOL log_testing_mode; /* TRUE in various testing modes */
354extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
355extern uschar *login_sender_address; /* The actual sender address */
356extern lookup_info lookup_list[]; /* Vector of available lookups */
357extern int lookup_list_count; /* Number of entries in the list */
358extern int lookup_open_max; /* Max lookup files to cache */
359extern uschar *lookup_value; /* Value looked up from file */
360
361extern macro_item *macros; /* Configuration macros */
362extern uschar *mailstore_basename; /* For mailstore deliveries */
363extern int max_username_length; /* For systems with broken getpwnam() */
364extern int message_age; /* In seconds */
365extern uschar *message_body; /* Start of message body for filter */
366extern uschar *message_body_end; /* End of message body for filter */
367extern int message_body_size; /* Sic */
368extern int message_body_visible; /* Amount visible in message_body */
369extern int message_ended; /* State of message reading and how ended */
370extern uschar *message_headers; /* When built */
371extern uschar message_id_option[]; /* -E<message-id> for use as option */
372extern uschar *message_id_external; /* External form of following */
373extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
374extern uschar *message_id_text; /* Expanded to form message_id */
375extern struct timeval message_id_tv; /* Time used to create last message_id */
376extern int message_linecount; /* As it says */
377extern BOOL message_logs; /* TRUE to write message logs */
378extern int message_size; /* Size of message */
379extern uschar *message_size_limit; /* As it says */
380extern uschar message_subdir[]; /* Subdirectory for messages */
381extern uschar *message_reference; /* Reference for error messages */
382extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
383
384extern uid_t *never_users; /* List of uids never to be used */
385extern BOOL no_multiline_responses; /* For broken clients */
386
387extern optionlist optionlist_auths[]; /* These option lists are made */
388extern int optionlist_auths_size; /* global so that readconf can */
389extern optionlist optionlist_routers[]; /* see them for printing out */
390extern int optionlist_routers_size; /* the options. */
391extern optionlist optionlist_transports[];
392extern int optionlist_transports_size;
393
394extern uid_t original_euid; /* Original effective uid */
395extern gid_t originator_gid; /* Gid of whoever wrote spool file */
396extern uschar *originator_login; /* Login of same */
397extern uschar *originator_name; /* Full name of same */
398extern uid_t originator_uid; /* Uid of ditto */
399extern uschar *override_local_interfaces; /* Value of -oX argument */
400extern uschar *override_pid_file_path; /* Value of -oP argument */
401
402extern BOOL parse_allow_group; /* Allow group syntax */
403extern BOOL parse_found_group; /* In the middle of a group */
404extern uschar *percent_hack_domains; /* Local domains for which '% operates */
405extern uschar *pid_file_path; /* For writing daemon pids */
406extern uschar *pipelining_advertise_hosts; /* As it says */
407extern BOOL preserve_message_logs; /* Save msglog files */
408extern uschar *primary_hostname; /* Primary name of this computer */
409extern BOOL print_topbitchars; /* Topbit chars are printing chars */
410extern uschar process_info[]; /* For SIGUSR1 output */
411extern uschar *process_log_path; /* Alternate path */
412extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
413
414extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
415extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
416extern BOOL queue_2stage; /* Run queue in 2-stage manner */
417extern uschar *queue_domains; /* Queue these domains */
418extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
419extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
420extern BOOL queue_run_force; /* TRUE to force during queue run */
421extern BOOL queue_run_local; /* Local deliveries only in queue run */
422extern BOOL queue_running; /* TRUE for queue running process and */
423 /* immediate children */
424extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
425extern int queue_run_pipe; /* Pipe for synchronizing */
426extern int queue_interval; /* Queue running interval */
427extern BOOL queue_only; /* TRUE to disable immediate delivery */
428extern int queue_only_load; /* Max load before auto-queue */
429extern uschar *queue_only_file; /* Queue if file exists/not-exists */
430extern BOOL queue_only_override; /* Allow override from command line */
431extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
432extern BOOL queue_run_in_order; /* As opposed to random */
433extern int queue_run_max; /* Max queue runners */
434extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
435extern uschar *queue_smtp_domains; /* Ditto, for these domains */
436
437extern unsigned int random_seed; /* Seed for random numbers */
438extern uschar *raw_active_hostname; /* Pre-expansion */
439extern uschar *raw_sender; /* Before rewriting */
440extern uschar **raw_recipients; /* Before rewriting */
441extern int raw_recipients_count;
442extern int rcpt_count; /* Count of RCPT commands in a message */
443extern int rcpt_fail_count; /* Those that got 5xx */
444extern int rcpt_defer_count; /* Those that got 4xx */
445extern gid_t real_gid; /* Real gid */
446extern uid_t real_uid; /* Real user running program */
447extern BOOL really_exim; /* FALSE in utilities */
448extern BOOL receive_call_bombout; /* Flag for crashing log */
449extern int receive_linecount; /* Mainly for BSMTP errors */
450extern int receive_messagecount; /* Mainly for BSMTP errors */
451extern int receive_timeout; /* For non-SMTP acceptance */
452extern int received_count; /* Count of Received: headers */
453extern uschar *received_for; /* For "for" field */
454extern uschar *received_header_text; /* Definition of Received: header */
455extern int received_headers_max; /* Max count of Received: headers */
456extern int received_time; /* Time the message was received */
457extern uschar *recipient_data; /* lookup data for recipients */
458extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
2c7db3f5 459extern uschar *recipient_verify_failure; /* What went wrong */
059ec3d9
PH		 460extern BOOL recipients_discarded; /* By an ACL */
461extern int recipients_list_max; /* Maximum number fitting in list */
462extern int recipients_max; /* Max permitted */
463extern int recipients_max_reject; /* If TRUE, reject whole message */
464extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
465extern const pcre *regex_check_dns_names; /* For DNS name checking */
466extern const pcre *regex_From; /* For recognizing "From_" lines */
467extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
468extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
469extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
470extern int remote_delivery_count; /* Number of remote addresses */
471extern int remote_max_parallel; /* Maximum parallel delivery */
472extern uschar *remote_sort_domains; /* Remote domain sorting order */
473extern retry_config *retries; /* Chain of retry config information */
474extern int retry_data_expire; /* When to expire retry data */
475extern int retry_interval_max; /* Absolute maximum */
476extern int retry_maximum_timeout; /* The maximum timeout */
477extern uschar *return_path; /* Return path for a message */
478extern BOOL return_path_remove; /* Remove return-path headers */
479extern int rewrite_existflags; /* Indicate which headers have rewrites */
480extern uschar *rfc1413_hosts; /* RFC hosts */
481extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
482/* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
483extern uid_t root_uid; /* The uid for root */
484extern router_info routers_available[];/* Vector of available routers */
485extern router_instance *routers; /* Chain of instantiated routers */
486extern router_instance router_defaults;/* Default values */
487extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
488extern ip_address_item *running_interfaces; /* Host's running interfaces */
489extern uschar *running_status; /* Flag string for testing */
490extern int runrc; /* rc from ${run} */
491
492extern uschar *search_error_message; /* Details of lookup problem */
493extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
494extern uschar *self_hostname; /* Self host after routing->directors */
495extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
2a3eea10 496extern uschar *sender_address_data; /* address_data from sender verify */
059ec3d9
PH		 497extern BOOL sender_address_forced; /* Set by -f */
498extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
499extern uschar *sender_data; /* lookup result for senders */
500extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
501extern uschar *sender_fullhost; /* Sender host name + address */
502extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
503extern uschar **sender_host_aliases; /* Points to list of alias names */
504extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
505extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
506extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
507extern uschar *sender_ident; /* Sender identity via RFC 1413 */
508extern BOOL sender_local; /* TRUE for local senders */
509extern uschar *sender_rcvhost; /* Host data for Received: */
510extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
511extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
2c7db3f5 512extern uschar *sender_verify_failure; /* What went wrong */
059ec3d9
PH		 513extern address_item *sender_verified_list; /* Saved chain of sender verifies */
514extern address_item *sender_verified_failed; /* The one that caused denial */
515extern volatile BOOL sigalrm_seen; /* Flag for sigalrm_handler */
516extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
517extern int smtp_accept_count; /* Count of connections */
518extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
519extern int smtp_accept_max; /* Max SMTP connections */
520extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
521extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
522extern int smtp_accept_max_per_connection; /* Max msgs per connection */
523extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
524extern int smtp_accept_queue; /* Queue after so many connections */
525extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
526extern int smtp_accept_reserve; /* Reserve these SMTP connections */
527extern uschar *smtp_active_hostname; /* Hostname for this message */
528extern BOOL smtp_authenticated; /* Sending client has authenticated */
529extern uschar *smtp_banner; /* Banner string (to be expanded) */
530extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
531extern uschar *smtp_command_argument; /* When running certain ACLs */
532extern int smtp_connect_backlog; /* Max backlog permitted */
533extern double smtp_delay_mail; /* Current MAIL delay */
534extern double smtp_delay_rcpt; /* Current RCPT delay */
535extern BOOL smtp_enforce_sync; /* Enforce sync rules */
536extern uschar *smtp_etrn_command; /* Command to run */
537extern BOOL smtp_etrn_serialize; /* Only one at once */
538extern FILE *smtp_in; /* Incoming SMTP input file */
539extern int smtp_load_reserve; /* Only from reserved if load > this */
540extern int smtp_mailcmd_count; /* Count of MAIL commands */
541extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
542extern int smtp_max_unknown_commands; /* As it says */
543extern FILE *smtp_out; /* Incoming SMTP output file */
544extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
545extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
546extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
547extern uschar *smtp_read_error; /* Message for SMTP input error */
548extern int smtp_receive_timeout; /* Applies to each received line */
549extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
550extern BOOL smtp_return_error_details; /* TRUE to return full info */
551extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
552extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
553extern int smtp_rlm_limit; /* Max delay */
554extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
555extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
556extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
557extern int smtp_rlr_limit; /* Max delay */
558extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
559extern BOOL smtp_use_pipelining; /* Global for passed connections */
560extern BOOL smtp_use_size; /* Global for passed connections */
561extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
562extern uschar *spool_directory; /* Name of spool directory */
563extern int string_datestamp_offset;/* After insertion by string_format */
564extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
565extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
566extern uschar *submission_domain; /* Domain for submission mode */
567extern BOOL submission_mode; /* Can be forced from ACL */
568extern BOOL synchronous_delivery; /* TRUE if -odi is set */
569extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
570extern int syslog_facility; /* As defined by Syslog.h */
571extern uschar *syslog_processname; /* 'ident' param to openlog() */
572extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
573extern uschar *system_filter; /* Name of system filter file */
574
575extern uschar *system_filter_directory_transport; /* Transports for the */
576extern uschar *system_filter_file_transport; /* system filter */
577extern uschar *system_filter_pipe_transport;
578extern uschar *system_filter_reply_transport;
579
580extern gid_t system_filter_gid; /* Gid for running system filter */
581extern BOOL system_filter_gid_set; /* TRUE if gid set */
582extern uid_t system_filter_uid; /* Uid for running system filter */
583extern BOOL system_filter_uid_set; /* TRUE if uid set */
584extern BOOL system_filtering; /* TRUE when running system filter */
585
586extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
587extern int thismessage_size_limit; /* Limit for this message */
588extern int timeout_frozen_after; /* Max time to keep frozen messages */
589extern BOOL timestamps_utc; /* Use UTC for all times */
590extern int transport_count; /* Count of bytes transported */
591extern uschar **transport_filter_argv; /* For on-the-fly filtering */
592extern int transport_filter_timeout; /* Timeout for same */
593
594extern transport_info transports_available[]; /* Vector of available transports */
595extern transport_instance *transports; /* Chain of instantiated transports */
596extern transport_instance transport_defaults; /* Default values */
597
598extern int transport_write_timeout;/* Set to time out individual writes */
599
600extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
601extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
602extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
603extern tree_node *tree_unusable; /* Tree of unusable addresses */
604
605extern BOOL trusted_caller; /* Caller is trusted */
606extern gid_t *trusted_groups; /* List of trusted groups */
607extern uid_t *trusted_users; /* List of trusted users */
608extern uschar *timezone_string; /* Required timezone setting */
609
610extern uschar *unknown_login; /* To use when login id unknown */
611extern uschar *unknown_username; /* Ditto */
612extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
613extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
614extern uschar *uucp_from_sender; /* For building the sender */
615
616extern uschar *warn_message_file; /* Template for warning messages */
617extern uschar *warnmsg_delay; /* String form of delay time */
618extern uschar *warnmsg_recipients; /* Recipients of warning message */
619extern BOOL write_rejectlog; /* Control of reject logging */
620
621extern uschar *version_copyright; /* Copyright notice */
622extern uschar *version_date; /* Date of compilation */
623extern uschar *version_cnumber; /* Compile number */
624extern uschar *version_string; /* Version string */
625
626extern int warning_count; /* Delay warnings sent for this msg */
627
628/* End of globals.h */
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