Another ratelimit tweak. I didn't anticipate people using per_cmd
[exim.git] / src / src / globals.h
CommitLineData
fe0dab11 1/* $Cambridge: exim/src/src/globals.h,v 1.20 2005/06/10 19:27:05 fanf2 Exp $ */
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2
3/*************************************************
4* Exim - an Internet mail transport agent *
5*************************************************/
6
c988f1f4 7/* Copyright (c) University of Cambridge 1995 - 2005 */
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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
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29#ifdef EXPAND_DLFUNC
30extern tree_node *dlobj_anchor; /* Tree of dynamically-loaded objects */
31#endif
32
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33#ifdef LOOKUP_IBASE
34extern uschar *ibase_servers;
35#endif
36
37#ifdef LOOKUP_LDAP
38extern uschar *eldap_default_servers; /* List of default servers */
39extern int eldap_version; /* LDAP version */
40#endif
41
42#ifdef LOOKUP_MYSQL
43extern uschar *mysql_servers; /* List of servers and connect info */
44#endif
45
46#ifdef LOOKUP_ORACLE
47extern uschar *oracle_servers; /* List of servers and connect info */
48#endif
49
50#ifdef LOOKUP_PGSQL
51extern uschar *pgsql_servers; /* List of servers and connect info */
52#endif
53
54#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
55extern BOOL move_frozen_messages; /* Get them out of the normal directory */
56#endif
57
58/* These variables are outside the #ifdef because it keeps the code less
59cluttered in several places (e.g. during logging) if we can always refer to
60them. Also, the tls_ variables are now always visible. */
61
62extern int tls_active; /* fd/socket when in a TLS session */
63extern BOOL tls_certificate_verified; /* Client certificate verified */
64extern uschar *tls_cipher; /* Cipher used */
65extern BOOL tls_on_connect; /* For older MTAs that don't STARTTLS */
66extern uschar *tls_on_connect_ports; /* Ports always tls-on-connect */
67extern uschar *tls_peerdn; /* DN from peer */
68
69#ifdef SUPPORT_TLS
70extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
71extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
72extern uschar *tls_certificate; /* Certificate file */
73extern uschar *tls_crl; /* CRL File */
74extern uschar *tls_dhparam; /* DH param file */
75extern BOOL tls_offered; /* Server offered TLS */
76extern uschar *tls_privatekey; /* Private key file */
77extern BOOL tls_remember_esmtp; /* For YAEB */
78extern uschar *tls_require_ciphers; /* So some can be avoided */
79extern uschar *tls_try_verify_hosts; /* Optional client verification */
80extern uschar *tls_verify_certificates;/* Path for certificates to check */
81extern uschar *tls_verify_hosts; /* Mandatory client verification */
82#endif
83
84
85/* Input-reading functions for messages, so we can use special ones for
86incoming TCP/IP. */
87
88extern int (*receive_getc)(void);
89extern int (*receive_ungetc)(int);
90extern int (*receive_feof)(void);
91extern int (*receive_ferror)(void);
92
93
94/* For clearing, saving, restoring address expansion variables. We have to have
95the size of this vector set explicitly, because it is referenced from more than
96one module. */
97
98extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
99
100/* General global variables */
101
102extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
103extern tree_node *acl_anchor; /* Tree of named ACLs */
104extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
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105#ifdef WITH_CONTENT_SCAN
106extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */
107#endif
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108extern uschar *acl_smtp_auth; /* ACL run for AUTH */
109extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
110extern uschar *acl_smtp_data; /* ACL run after DATA received */
111extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
112extern uschar *acl_smtp_expn; /* ACL run for EXPN */
113extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
114extern uschar *acl_smtp_mail; /* ACL run for MAIL */
115extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
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116#ifdef WITH_CONTENT_SCAN
117extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
118#endif
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119extern uschar *acl_smtp_predata; /* ACL run for DATA command */
120extern uschar *acl_smtp_quit; /* ACL run for QUIT */
121extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
122extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
123extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
124extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
125extern uschar *acl_var[ACL_C_MAX+ACL_M_MAX]; /* User variables */
126extern uschar *acl_verify_message; /* User message for verify failure */
127extern header_line *acl_warn_headers; /* Warning headers added by ACL */
128extern string_item *acl_warn_logged; /* Logged lines */
129extern int acl_wherecodes[]; /* Response codes for ACL fails */
130extern uschar *acl_wherenames[]; /* Names for messages */
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131extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
132extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
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133extern address_item *addr_duplicate; /* Duplicate address list */
134extern address_item address_defaults; /* Default data for address item */
135extern uschar *address_file; /* Name of file when delivering to one */
136extern uschar *address_pipe; /* Pipe command when delivering to one */
137extern BOOL address_test_mode; /* True for -bt */
138extern tree_node *addresslist_anchor; /* Tree of defined address lists */
139extern int addresslist_count; /* Number defined */
140extern gid_t *admin_groups; /* List of admin groups */
141extern BOOL admin_user; /* True if caller can do admin */
142extern BOOL allow_domain_literals; /* As it says */
143extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
144extern BOOL allow_unqualified_recipient; /* As it says */
145extern BOOL allow_unqualified_sender; /* Ditto */
146extern BOOL allow_utf8_domains; /* For experimenting */
147extern uschar *authenticated_id; /* ID that was authenticated */
148extern uschar *authenticated_sender; /* From AUTH on MAIL */
149extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
150extern uschar *auth_advertise_hosts; /* Only advertise to these */
151extern auth_info auths_available[]; /* Vector of available auth mechanisms */
152extern auth_instance *auths; /* Chain of instantiated auths */
153extern auth_instance auth_defaults; /* Default values */
154extern uschar *auth_defer_msg; /* Error message for log */
155extern uschar *auth_defer_user_msg; /* Error message for user */
156extern int auto_thaw; /* Auto-thaw interval */
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157#ifdef WITH_CONTENT_SCAN
158extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
159#endif
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160
161extern BOOL background_daemon; /* Set FALSE to keep in foreground */
162extern uschar *base62_chars; /* Table of base-62 characters */
163extern uschar *bi_command; /* Command for -bi option */
164extern uschar *big_buffer; /* Used for various temp things */
165extern int big_buffer_size; /* Current size (can expand) */
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166#ifdef EXPERIMENTAL_BRIGHTMAIL
167extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
168extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
169extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
170extern uschar *bmi_config_file; /* Brightmail config file */
171extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
172extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
173extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
174#endif
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175extern int body_linecount; /* Line count in body */
176extern int body_zerocount; /* Binary zero count in body */
177extern uschar *bounce_message_file; /* Template file */
178extern uschar *bounce_message_text; /* One-liner */
179extern uschar *bounce_recipient; /* When writing an errmsg */
180extern BOOL bounce_return_body; /* Include body in returned message */
181extern BOOL bounce_return_message; /* Include message in bounce */
182extern int bounce_return_size_limit; /* Max amount to return */
183extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
184extern int bsmtp_transaction_linecount; /* Start of last transaction */
185
186extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
187extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
188extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
189extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
190extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
191extern uschar *check_dns_names_pattern;/* Regex for syntax check */
192extern int check_log_inodes; /* Minimum for message acceptance */
193extern int check_log_space; /* Minimum for message acceptance */
194extern int check_spool_inodes; /* Minimum for message acceptance */
195extern int check_spool_space; /* Minimum for message acceptance */
196extern int clmacro_count; /* Number of command line macros */
197extern uschar *clmacros[]; /* Copy of them, for re-exec */
198extern int connection_max_messages;/* Max down one SMTP connection */
199extern BOOL config_changed; /* True if -C used */
200extern FILE *config_file; /* Configuration file */
201extern uschar *config_filename; /* Configuration file name */
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202#ifdef CONFIGURE_GROUP
203extern gid_t config_gid; /* Additional group owner */
204#endif
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205extern int config_lineno; /* Line number */
206extern uschar *config_main_filelist; /* List of possible config files */
207extern uschar *config_main_filename; /* File name actually used */
208#ifdef CONFIGURE_OWNER
209extern uid_t config_uid; /* Additional owner */
210#endif
211extern uschar *continue_hostname; /* Host for continued delivery */
212extern uschar *continue_host_address; /* IP address for ditto */
213extern BOOL continue_more; /* Flag more addresses waiting */
214extern int continue_sequence; /* Sequence num for continued delivery */
215extern uschar *continue_transport; /* Transport for continued delivery */
216
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217extern uschar *csa_status; /* Client SMTP Authorization result */
218
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219extern BOOL daemon_listen; /* True if listening required */
220extern uschar *daemon_smtp_port; /* Can be a list of ports */
3d235903 221extern BOOL debug_daemon; /* Debug the daemon process only */
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222extern int debug_fd; /* The fd for debug_file */
223extern FILE *debug_file; /* Where to write debugging info */
224extern bit_table debug_options[]; /* Table of debug options */
225extern int debug_options_count; /* Size of table */
226extern int delay_warning[]; /* Times between warnings */
227extern uschar *delay_warning_condition; /* Condition string for warnings */
228extern BOOL delivery_date_remove; /* Remove delivery-date headers */
229
230extern uschar *deliver_address_data; /* Arbitrary data for an address */
231extern int deliver_datafile; /* FD for data part of message */
232extern uschar *deliver_domain; /* The local domain for delivery */
233extern uschar *deliver_domain_data; /* From domain lookup */
234extern uschar *deliver_domain_orig; /* The original local domain for delivery */
235extern uschar *deliver_domain_parent; /* The parent domain for delivery */
236extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
237extern BOOL deliver_firsttime; /* True for first delivery attempt */
238extern BOOL deliver_force; /* TRUE if delivery was forced */
239extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
240extern int deliver_frozen_at; /* Time of freezing */
241extern uschar *deliver_home; /* Home directory for pipes */
242extern uschar *deliver_host; /* (First) host for routed local deliveries */
243 /* Remote host for filter */
244extern uschar *deliver_host_address; /* Address for remote delivery filter */
245extern uschar *deliver_in_buffer; /* Buffer for copying file */
246extern ino_t deliver_inode; /* Inode for appendfile */
247extern uschar *deliver_localpart; /* The local part for delivery */
248extern uschar *deliver_localpart_data; /* From local part lookup */
249extern uschar *deliver_localpart_orig; /* The original local part for delivery */
250extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
251extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
252extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
253extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
254extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
255extern uschar *deliver_out_buffer; /* Buffer for copying file */
256extern int deliver_queue_load_max; /* Different value for queue running */
257extern address_item *deliver_recipients; /* Current set of addresses */
258extern uschar *deliver_selectstring; /* For selecting by recipient */
259extern BOOL deliver_selectstring_regex; /* String is regex */
260extern uschar *deliver_selectstring_sender; /* For selecting by sender */
261extern BOOL deliver_selectstring_sender_regex; /* String is regex */
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262#ifdef WITH_OLD_DEMIME
263extern int demime_errorlevel; /* Severity of MIME error */
264extern int demime_ok; /* Nonzero if message has been demimed */
265extern uschar *demime_reason; /* Reason for broken MIME container */
266#endif
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267extern BOOL disable_logging; /* Disables log writing when TRUE */
268
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269#ifdef EXPERIMENTAL_DOMAINKEYS
270extern uschar *dk_signing_domain; /* Domain used for signing a message. */
271extern uschar *dk_signing_selector; /* Selector used for signing a message. */
272extern int dk_do_verify; /* DK verification switch. Set with ACL control statement. */
273#endif
274
059ec3d9 275extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
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276extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */
277extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */
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278extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
279extern int dns_retrans; /* Retransmission time setting */
280extern int dns_retry; /* Number of retries */
281extern uschar *dnslist_domain; /* DNS (black) list domain */
282extern uschar *dnslist_text; /* DNS (black) list text message */
283extern uschar *dnslist_value; /* DNS (black) list IP address */
284extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
285extern int domainlist_count; /* Number defined */
286extern BOOL dont_deliver; /* TRUE for -N option */
287extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
288
289/* This option is now a no-opt, retained for compatibility */
290extern BOOL drop_cr; /* For broken local MUAs */
291
292extern BOOL enable_dollar_recipients; /* Make $recipients available */
293extern int envelope_to_remove; /* Remove envelope_to_headers */
294extern int errno_quota; /* Quota errno in this OS */
295extern int error_handling; /* Error handling style */
296extern uschar *errors_copy; /* For taking copies of errors */
297extern uschar *errors_reply_to; /* Reply-to for error messages */
298extern int errors_sender_rc; /* Return after message to sender*/
299extern gid_t exim_gid; /* To be used with exim_uid */
300extern BOOL exim_gid_set; /* TRUE if exim_gid set */
301extern uschar *exim_path; /* Path to exec exim */
302extern uid_t exim_uid; /* Non-root uid for exim */
303extern BOOL exim_uid_set; /* TRUE if exim_uid set */
304extern int expand_forbid; /* RDO flags for forbidding things */
305extern int expand_nlength[]; /* Lengths of numbered strings */
306extern int expand_nmax; /* Max numerical value */
307extern uschar *expand_nstring[]; /* Numbered strings */
308extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
309extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
310extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
311
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312extern int fake_response; /* Fake FAIL or DEFER response to data */
313extern uschar *fake_response_text; /* User defined message for the above. Default is in globals.c. */
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314extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
315extern BOOL filter_running; /* TRUE while running a filter */
316extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
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317extern int filter_test; /* Filter test type */
318extern uschar *filter_test_sfile; /* System filter test file */
319extern uschar *filter_test_ufile; /* User filter test file */
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320extern uschar *filter_thisaddress; /* For address looping */
321extern int finduser_retries; /* Retry count for getpwnam() */
322extern uid_t fixed_never_users[]; /* Can't be overridden */
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323#ifdef WITH_OLD_DEMIME
324extern uschar *found_extension; /* demime acl condition: file extension found */
325#endif
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326extern uschar *freeze_tell; /* Message on (some) freezings */
327extern uschar *fudged_queue_times; /* For use in test harness */
328
329extern uschar *gecos_name; /* To be expanded when pattern matches */
330extern uschar *gecos_pattern; /* Pattern to match */
331extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
332
333extern int header_insert_maxlen; /* Max for inserting headers */
334extern int header_maxsize; /* Max total length for header */
335extern int header_line_maxsize; /* Max for an individual line */
336extern header_name header_names[]; /* Table of header names */
337extern int header_names_size; /* Number of entries */
338extern BOOL header_rewritten; /* TRUE if header changed by router */
339extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
340extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
341extern uschar *helo_lookup_domains; /* If these given, lookup host name */
342extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
343extern BOOL helo_verified; /* True if HELO verified */
344extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
345extern uschar *hex_digits; /* Used in several places */
346extern uschar *hold_domains; /* Hold up deliveries to these */
347extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
348extern BOOL host_checking_callout; /* TRUE if real callout wanted */
349extern uschar *host_data; /* Obtained from lookup in ACL */
350extern uschar *host_lookup; /* For which IP addresses are always looked up */
b08b24c8 351extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
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352extern BOOL host_lookup_failed; /* TRUE if lookup failed */
353extern uschar *host_lookup_order; /* Order of host lookup types */
354extern uschar *host_lookup_msg; /* Text for why it failed */
355extern int host_number; /* For sharing spools */
356extern uschar *host_number_string; /* For expanding */
357extern uschar *host_reject_connection; /* Reject these hosts */
358extern tree_node *hostlist_anchor; /* Tree of defined host lists */
359extern int hostlist_count; /* Number defined */
360extern uschar *hosts_connection_nolog; /* Limits the logging option */
361extern uschar *hosts_treat_as_local; /* For routing */
362
363extern int ignore_bounce_errors_after; /* Keep them for this time. */
364extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
365extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
366extern BOOL is_inetd; /* True for inetd calls */
367
368extern int journal_fd; /* Fd for journal file */
369
370extern int keep_malformed; /* Time to keep malformed messages */
371
372extern uschar *eldap_dn; /* Where LDAP DNs are left */
373extern int load_average; /* Most recently read load average */
374extern BOOL local_error_message; /* True if handling one of these */
69358f02 375extern BOOL local_from_check; /* For adding Sender: (global value) */
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376extern uschar *local_from_prefix; /* Permitted prefixes */
377extern uschar *local_from_suffix; /* Permitted suffixes */
378extern uschar *local_interfaces; /* For forcing specific interfaces */
379extern uschar *local_scan_data; /* Text returned by local_scan() */
380extern optionlist local_scan_options[];/* Option list for local_scan() */
381extern int local_scan_options_count; /* Size of the list */
382extern int local_scan_timeout; /* Timeout for local_scan() */
383extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
384extern gid_t local_user_gid; /* As it says; may be set in routers */
385extern uid_t local_user_uid; /* As it says; may be set in routers */
386extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
387extern int localpartlist_count; /* Number defined */
388extern uschar *log_buffer; /* For constructing log entries */
389extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
390extern uschar *log_file_path; /* If unset, use default */
391extern bit_table log_options[]; /* Table of options */
392extern int log_options_count; /* Size of table */
393extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
394extern uschar *log_selector_string; /* As supplied in the config */
395extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
396extern BOOL log_testing_mode; /* TRUE in various testing modes */
397extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
398extern uschar *login_sender_address; /* The actual sender address */
399extern lookup_info lookup_list[]; /* Vector of available lookups */
400extern int lookup_list_count; /* Number of entries in the list */
401extern int lookup_open_max; /* Max lookup files to cache */
402extern uschar *lookup_value; /* Value looked up from file */
403
404extern macro_item *macros; /* Configuration macros */
405extern uschar *mailstore_basename; /* For mailstore deliveries */
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406#ifdef WITH_CONTENT_SCAN
407extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
408#endif
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409extern int max_username_length; /* For systems with broken getpwnam() */
410extern int message_age; /* In seconds */
411extern uschar *message_body; /* Start of message body for filter */
412extern uschar *message_body_end; /* End of message body for filter */
413extern int message_body_size; /* Sic */
414extern int message_body_visible; /* Amount visible in message_body */
415extern int message_ended; /* State of message reading and how ended */
416extern uschar *message_headers; /* When built */
417extern uschar message_id_option[]; /* -E<message-id> for use as option */
418extern uschar *message_id_external; /* External form of following */
419extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
420extern uschar *message_id_text; /* Expanded to form message_id */
421extern struct timeval message_id_tv; /* Time used to create last message_id */
422extern int message_linecount; /* As it says */
423extern BOOL message_logs; /* TRUE to write message logs */
424extern int message_size; /* Size of message */
425extern uschar *message_size_limit; /* As it says */
426extern uschar message_subdir[]; /* Subdirectory for messages */
427extern uschar *message_reference; /* Reference for error messages */
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428
429/* MIME ACL expandables */
430#ifdef WITH_CONTENT_SCAN
431extern int mime_anomaly_level;
432extern uschar *mime_anomaly_text;
433extern uschar *mime_boundary;
434extern uschar *mime_charset;
435extern uschar *mime_content_description;
436extern uschar *mime_content_disposition;
437extern uschar *mime_content_id;
438extern unsigned int mime_content_size;
439extern uschar *mime_content_transfer_encoding;
440extern uschar *mime_content_type;
441extern uschar *mime_decoded_filename;
442extern uschar *mime_filename;
443extern int mime_is_multipart;
444extern int mime_is_coverletter;
445extern int mime_is_rfc822;
446extern int mime_part_count;
447#endif
448
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449extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
450
451extern uid_t *never_users; /* List of uids never to be used */
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452#ifdef WITH_CONTENT_SCAN
453extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
454#endif
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455extern BOOL no_multiline_responses; /* For broken clients */
456
457extern optionlist optionlist_auths[]; /* These option lists are made */
458extern int optionlist_auths_size; /* global so that readconf can */
459extern optionlist optionlist_routers[]; /* see them for printing out */
460extern int optionlist_routers_size; /* the options. */
461extern optionlist optionlist_transports[];
462extern int optionlist_transports_size;
463
464extern uid_t original_euid; /* Original effective uid */
465extern gid_t originator_gid; /* Gid of whoever wrote spool file */
466extern uschar *originator_login; /* Login of same */
467extern uschar *originator_name; /* Full name of same */
468extern uid_t originator_uid; /* Uid of ditto */
469extern uschar *override_local_interfaces; /* Value of -oX argument */
470extern uschar *override_pid_file_path; /* Value of -oP argument */
471
472extern BOOL parse_allow_group; /* Allow group syntax */
473extern BOOL parse_found_group; /* In the middle of a group */
474extern uschar *percent_hack_domains; /* Local domains for which '% operates */
475extern uschar *pid_file_path; /* For writing daemon pids */
476extern uschar *pipelining_advertise_hosts; /* As it says */
477extern BOOL preserve_message_logs; /* Save msglog files */
478extern uschar *primary_hostname; /* Primary name of this computer */
479extern BOOL print_topbitchars; /* Topbit chars are printing chars */
480extern uschar process_info[]; /* For SIGUSR1 output */
481extern uschar *process_log_path; /* Alternate path */
482extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
483
484extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
485extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
486extern BOOL queue_2stage; /* Run queue in 2-stage manner */
487extern uschar *queue_domains; /* Queue these domains */
488extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
489extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
490extern BOOL queue_run_force; /* TRUE to force during queue run */
491extern BOOL queue_run_local; /* Local deliveries only in queue run */
492extern BOOL queue_running; /* TRUE for queue running process and */
493 /* immediate children */
494extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
495extern int queue_run_pipe; /* Pipe for synchronizing */
496extern int queue_interval; /* Queue running interval */
497extern BOOL queue_only; /* TRUE to disable immediate delivery */
498extern int queue_only_load; /* Max load before auto-queue */
499extern uschar *queue_only_file; /* Queue if file exists/not-exists */
500extern BOOL queue_only_override; /* Allow override from command line */
501extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
502extern BOOL queue_run_in_order; /* As opposed to random */
503extern int queue_run_max; /* Max queue runners */
504extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
505extern uschar *queue_smtp_domains; /* Ditto, for these domains */
506
507extern unsigned int random_seed; /* Seed for random numbers */
fe0dab11 508extern tree_node *ratelimiters_cmd; /* Results of command ratelimit checks */
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509extern tree_node *ratelimiters_conn; /* Results of connection ratelimit checks */
510extern tree_node *ratelimiters_mail; /* Results of per-mail ratelimit checks */
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511extern uschar *raw_active_hostname; /* Pre-expansion */
512extern uschar *raw_sender; /* Before rewriting */
513extern uschar **raw_recipients; /* Before rewriting */
514extern int raw_recipients_count;
515extern int rcpt_count; /* Count of RCPT commands in a message */
516extern int rcpt_fail_count; /* Those that got 5xx */
517extern int rcpt_defer_count; /* Those that got 4xx */
518extern gid_t real_gid; /* Real gid */
519extern uid_t real_uid; /* Real user running program */
520extern BOOL really_exim; /* FALSE in utilities */
521extern BOOL receive_call_bombout; /* Flag for crashing log */
522extern int receive_linecount; /* Mainly for BSMTP errors */
523extern int receive_messagecount; /* Mainly for BSMTP errors */
524extern int receive_timeout; /* For non-SMTP acceptance */
525extern int received_count; /* Count of Received: headers */
526extern uschar *received_for; /* For "for" field */
527extern uschar *received_header_text; /* Definition of Received: header */
528extern int received_headers_max; /* Max count of Received: headers */
529extern int received_time; /* Time the message was received */
530extern uschar *recipient_data; /* lookup data for recipients */
531extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
2c7db3f5 532extern uschar *recipient_verify_failure; /* What went wrong */
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533extern BOOL recipients_discarded; /* By an ACL */
534extern int recipients_list_max; /* Maximum number fitting in list */
535extern int recipients_max; /* Max permitted */
536extern int recipients_max_reject; /* If TRUE, reject whole message */
537extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
538extern const pcre *regex_check_dns_names; /* For DNS name checking */
539extern const pcre *regex_From; /* For recognizing "From_" lines */
540extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
541extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
542extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
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543#ifdef WITH_CONTENT_SCAN
544extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
545#endif
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546extern int remote_delivery_count; /* Number of remote addresses */
547extern int remote_max_parallel; /* Maximum parallel delivery */
548extern uschar *remote_sort_domains; /* Remote domain sorting order */
549extern retry_config *retries; /* Chain of retry config information */
550extern int retry_data_expire; /* When to expire retry data */
551extern int retry_interval_max; /* Absolute maximum */
552extern int retry_maximum_timeout; /* The maximum timeout */
553extern uschar *return_path; /* Return path for a message */
554extern BOOL return_path_remove; /* Remove return-path headers */
555extern int rewrite_existflags; /* Indicate which headers have rewrites */
556extern uschar *rfc1413_hosts; /* RFC hosts */
557extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
558/* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
559extern uid_t root_uid; /* The uid for root */
560extern router_info routers_available[];/* Vector of available routers */
561extern router_instance *routers; /* Chain of instantiated routers */
562extern router_instance router_defaults;/* Default values */
563extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
564extern ip_address_item *running_interfaces; /* Host's running interfaces */
565extern uschar *running_status; /* Flag string for testing */
566extern int runrc; /* rc from ${run} */
567
568extern uschar *search_error_message; /* Details of lookup problem */
569extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
570extern uschar *self_hostname; /* Self host after routing->directors */
571extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
2a3eea10 572extern uschar *sender_address_data; /* address_data from sender verify */
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573extern BOOL sender_address_forced; /* Set by -f */
574extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
575extern uschar *sender_data; /* lookup result for senders */
576extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
577extern uschar *sender_fullhost; /* Sender host name + address */
578extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
579extern uschar **sender_host_aliases; /* Points to list of alias names */
580extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
581extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
582extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
583extern uschar *sender_ident; /* Sender identity via RFC 1413 */
584extern BOOL sender_local; /* TRUE for local senders */
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585extern uschar *sender_rate; /* Sender rate computed by ACL */
586extern uschar *sender_rate_limit; /* Configured rate limit */
587extern uschar *sender_rate_period; /* Configured smoothing period */
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588extern uschar *sender_rcvhost; /* Host data for Received: */
589extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
590extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
2c7db3f5 591extern uschar *sender_verify_failure; /* What went wrong */
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592extern address_item *sender_verified_list; /* Saved chain of sender verifies */
593extern address_item *sender_verified_failed; /* The one that caused denial */
594extern volatile BOOL sigalrm_seen; /* Flag for sigalrm_handler */
595extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
596extern int smtp_accept_count; /* Count of connections */
597extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
598extern int smtp_accept_max; /* Max SMTP connections */
599extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
600extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
601extern int smtp_accept_max_per_connection; /* Max msgs per connection */
602extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
603extern int smtp_accept_queue; /* Queue after so many connections */
604extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
605extern int smtp_accept_reserve; /* Reserve these SMTP connections */
606extern uschar *smtp_active_hostname; /* Hostname for this message */
607extern BOOL smtp_authenticated; /* Sending client has authenticated */
608extern uschar *smtp_banner; /* Banner string (to be expanded) */
609extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
610extern uschar *smtp_command_argument; /* When running certain ACLs */
611extern int smtp_connect_backlog; /* Max backlog permitted */
612extern double smtp_delay_mail; /* Current MAIL delay */
613extern double smtp_delay_rcpt; /* Current RCPT delay */
614extern BOOL smtp_enforce_sync; /* Enforce sync rules */
615extern uschar *smtp_etrn_command; /* Command to run */
616extern BOOL smtp_etrn_serialize; /* Only one at once */
617extern FILE *smtp_in; /* Incoming SMTP input file */
618extern int smtp_load_reserve; /* Only from reserved if load > this */
619extern int smtp_mailcmd_count; /* Count of MAIL commands */
620extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
621extern int smtp_max_unknown_commands; /* As it says */
622extern FILE *smtp_out; /* Incoming SMTP output file */
623extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
624extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
625extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
626extern uschar *smtp_read_error; /* Message for SMTP input error */
627extern int smtp_receive_timeout; /* Applies to each received line */
628extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
629extern BOOL smtp_return_error_details; /* TRUE to return full info */
630extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
631extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
632extern int smtp_rlm_limit; /* Max delay */
633extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
634extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
635extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
636extern int smtp_rlr_limit; /* Max delay */
637extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
638extern BOOL smtp_use_pipelining; /* Global for passed connections */
639extern BOOL smtp_use_size; /* Global for passed connections */
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640
641#ifdef WITH_CONTENT_SCAN
642extern uschar *spamd_address; /* address for the spamassassin daemon */
643extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
644extern uschar *spam_report; /* the spamd report (multiline) */
645extern uschar *spam_score; /* the spam score (float) */
646extern uschar *spam_score_int; /* spam_score * 10 (int) */
647#endif
648#ifdef EXPERIMENTAL_SPF
649extern uschar *spf_header_comment; /* spf header comment */
650extern uschar *spf_received; /* SPF-Received: header */
651extern uschar *spf_result; /* spf result in string form */
652extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
653#endif
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654extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
655extern uschar *spool_directory; /* Name of spool directory */
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656#ifdef EXPERIMENTAL_SRS
657extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
658extern uschar *srs_db_address; /* SRS db address */
659extern uschar *srs_db_key; /* SRS db key */
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660extern int srs_hashlength; /* SRS hash length */
661extern int srs_hashmin; /* SRS minimum hash length */
662extern int srs_maxage; /* SRS max age */
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663extern uschar *srs_orig_sender; /* SRS original sender */
664extern uschar *srs_orig_recipient; /* SRS original recipient */
665extern uschar *srs_recipient; /* SRS recipient */
384152a6 666extern uschar *srs_secrets; /* SRS secrets list */
8523533c 667extern uschar *srs_status; /* SRS staus */
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668extern BOOL srs_usehash; /* SRS use hash flag */
669extern BOOL srs_usetimestamp; /* SRS use timestamp flag */
8523533c 670#endif
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671extern int string_datestamp_offset;/* After insertion by string_format */
672extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
673extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
674extern uschar *submission_domain; /* Domain for submission mode */
675extern BOOL submission_mode; /* Can be forced from ACL */
676extern BOOL synchronous_delivery; /* TRUE if -odi is set */
677extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
678extern int syslog_facility; /* As defined by Syslog.h */
679extern uschar *syslog_processname; /* 'ident' param to openlog() */
680extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
681extern uschar *system_filter; /* Name of system filter file */
682
683extern uschar *system_filter_directory_transport; /* Transports for the */
684extern uschar *system_filter_file_transport; /* system filter */
685extern uschar *system_filter_pipe_transport;
686extern uschar *system_filter_reply_transport;
687
688extern gid_t system_filter_gid; /* Gid for running system filter */
689extern BOOL system_filter_gid_set; /* TRUE if gid set */
690extern uid_t system_filter_uid; /* Uid for running system filter */
691extern BOOL system_filter_uid_set; /* TRUE if uid set */
692extern BOOL system_filtering; /* TRUE when running system filter */
693
694extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
695extern int thismessage_size_limit; /* Limit for this message */
696extern int timeout_frozen_after; /* Max time to keep frozen messages */
697extern BOOL timestamps_utc; /* Use UTC for all times */
698extern int transport_count; /* Count of bytes transported */
699extern uschar **transport_filter_argv; /* For on-the-fly filtering */
700extern int transport_filter_timeout; /* Timeout for same */
2e2a30b4 701extern BOOL transport_filter_timed_out; /* True if it did */
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702
703extern transport_info transports_available[]; /* Vector of available transports */
704extern transport_instance *transports; /* Chain of instantiated transports */
705extern transport_instance transport_defaults; /* Default values */
706
707extern int transport_write_timeout;/* Set to time out individual writes */
708
709extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
710extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
711extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
712extern tree_node *tree_unusable; /* Tree of unusable addresses */
713
714extern BOOL trusted_caller; /* Caller is trusted */
715extern gid_t *trusted_groups; /* List of trusted groups */
716extern uid_t *trusted_users; /* List of trusted users */
717extern uschar *timezone_string; /* Required timezone setting */
718
719extern uschar *unknown_login; /* To use when login id unknown */
720extern uschar *unknown_username; /* Ditto */
721extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
722extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
723extern uschar *uucp_from_sender; /* For building the sender */
724
725extern uschar *warn_message_file; /* Template for warning messages */
726extern uschar *warnmsg_delay; /* String form of delay time */
727extern uschar *warnmsg_recipients; /* Recipients of warning message */
728extern BOOL write_rejectlog; /* Control of reject logging */
729
730extern uschar *version_copyright; /* Copyright notice */
731extern uschar *version_date; /* Date of compilation */
732extern uschar *version_cnumber; /* Compile number */
733extern uschar *version_string; /* Version string */
734
735extern int warning_count; /* Delay warnings sent for this msg */
736
737/* End of globals.h */