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1. Added Tony F's ${dlfunc expansion, slightly modified (see NewStuff).
[exim.git] / src / src / globals.h
CommitLineData
1a46a8c5 1/* $Cambridge: exim/src/src/globals.h,v 1.13 2005/03/22 14:11:54 ph10 Exp $ */
059ec3d9
PH		 2
3/*************************************************
4* Exim - an Internet mail transport agent *
5*************************************************/
6
c988f1f4 7/* Copyright (c) University of Cambridge 1995 - 2005 */
059ec3d9
PH		 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
1a46a8c5
PH		 29#ifdef EXPAND_DLFUNC
30extern tree_node *dlobj_anchor; /* Tree of dynamically-loaded objects */
31#endif
32
059ec3d9
PH		 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 */
105extern uschar *acl_smtp_auth; /* ACL run for AUTH */
106extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
107extern uschar *acl_smtp_data; /* ACL run after DATA received */
108extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
109extern uschar *acl_smtp_expn; /* ACL run for EXPN */
110extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
111extern uschar *acl_smtp_mail; /* ACL run for MAIL */
112extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
8523533c
TK		 113#ifdef WITH_CONTENT_SCAN
114extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
115#endif
059ec3d9
PH		 116extern uschar *acl_smtp_predata; /* ACL run for DATA command */
117extern uschar *acl_smtp_quit; /* ACL run for QUIT */
118extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
119extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
120extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
121extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
122extern uschar *acl_var[ACL_C_MAX+ACL_M_MAX]; /* User variables */
123extern uschar *acl_verify_message; /* User message for verify failure */
124extern header_line *acl_warn_headers; /* Warning headers added by ACL */
125extern string_item *acl_warn_logged; /* Logged lines */
126extern int acl_wherecodes[]; /* Response codes for ACL fails */
127extern uschar *acl_wherenames[]; /* Names for messages */
69358f02
PH		 128extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
129extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
059ec3d9
PH		 130extern address_item *addr_duplicate; /* Duplicate address list */
131extern address_item address_defaults; /* Default data for address item */
132extern uschar *address_file; /* Name of file when delivering to one */
133extern uschar *address_pipe; /* Pipe command when delivering to one */
134extern BOOL address_test_mode; /* True for -bt */
135extern tree_node *addresslist_anchor; /* Tree of defined address lists */
136extern int addresslist_count; /* Number defined */
137extern gid_t *admin_groups; /* List of admin groups */
138extern BOOL admin_user; /* True if caller can do admin */
139extern BOOL allow_domain_literals; /* As it says */
140extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
141extern BOOL allow_unqualified_recipient; /* As it says */
142extern BOOL allow_unqualified_sender; /* Ditto */
143extern BOOL allow_utf8_domains; /* For experimenting */
144extern uschar *authenticated_id; /* ID that was authenticated */
145extern uschar *authenticated_sender; /* From AUTH on MAIL */
146extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
147extern uschar *auth_advertise_hosts; /* Only advertise to these */
148extern auth_info auths_available[]; /* Vector of available auth mechanisms */
149extern auth_instance *auths; /* Chain of instantiated auths */
150extern auth_instance auth_defaults; /* Default values */
151extern uschar *auth_defer_msg; /* Error message for log */
152extern uschar *auth_defer_user_msg; /* Error message for user */
153extern int auto_thaw; /* Auto-thaw interval */
8523533c
TK		 154#ifdef WITH_CONTENT_SCAN
155extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
156#endif
059ec3d9
PH		 157
158extern BOOL background_daemon; /* Set FALSE to keep in foreground */
159extern uschar *base62_chars; /* Table of base-62 characters */
160extern uschar *bi_command; /* Command for -bi option */
161extern uschar *big_buffer; /* Used for various temp things */
162extern int big_buffer_size; /* Current size (can expand) */
8523533c
TK		 163#ifdef EXPERIMENTAL_BRIGHTMAIL
164extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
165extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
166extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
167extern uschar *bmi_config_file; /* Brightmail config file */
168extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
169extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
170extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
171#endif
059ec3d9
PH		 172extern int body_linecount; /* Line count in body */
173extern int body_zerocount; /* Binary zero count in body */
174extern uschar *bounce_message_file; /* Template file */
175extern uschar *bounce_message_text; /* One-liner */
176extern uschar *bounce_recipient; /* When writing an errmsg */
177extern BOOL bounce_return_body; /* Include body in returned message */
178extern BOOL bounce_return_message; /* Include message in bounce */
179extern int bounce_return_size_limit; /* Max amount to return */
180extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
181extern int bsmtp_transaction_linecount; /* Start of last transaction */
182
183extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
184extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
185extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
186extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
187extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
188extern uschar *check_dns_names_pattern;/* Regex for syntax check */
189extern int check_log_inodes; /* Minimum for message acceptance */
190extern int check_log_space; /* Minimum for message acceptance */
191extern int check_spool_inodes; /* Minimum for message acceptance */
192extern int check_spool_space; /* Minimum for message acceptance */
193extern int clmacro_count; /* Number of command line macros */
194extern uschar *clmacros[]; /* Copy of them, for re-exec */
195extern int connection_max_messages;/* Max down one SMTP connection */
196extern BOOL config_changed; /* True if -C used */
197extern FILE *config_file; /* Configuration file */
198extern uschar *config_filename; /* Configuration file name */
35edf2ff
PH		 199#ifdef CONFIGURE_GROUP
200extern gid_t config_gid; /* Additional group owner */
201#endif
059ec3d9
PH		 202extern int config_lineno; /* Line number */
203extern uschar *config_main_filelist; /* List of possible config files */
204extern uschar *config_main_filename; /* File name actually used */
205#ifdef CONFIGURE_OWNER
206extern uid_t config_uid; /* Additional owner */
207#endif
208extern uschar *continue_hostname; /* Host for continued delivery */
209extern uschar *continue_host_address; /* IP address for ditto */
210extern BOOL continue_more; /* Flag more addresses waiting */
211extern int continue_sequence; /* Sequence num for continued delivery */
212extern uschar *continue_transport; /* Transport for continued delivery */
213
214extern BOOL daemon_listen; /* True if listening required */
215extern uschar *daemon_smtp_port; /* Can be a list of ports */
3d235903 216extern BOOL debug_daemon; /* Debug the daemon process only */
059ec3d9
PH		 217extern int debug_fd; /* The fd for debug_file */
218extern FILE *debug_file; /* Where to write debugging info */
219extern bit_table debug_options[]; /* Table of debug options */
220extern int debug_options_count; /* Size of table */
221extern int delay_warning[]; /* Times between warnings */
222extern uschar *delay_warning_condition; /* Condition string for warnings */
223extern BOOL delivery_date_remove; /* Remove delivery-date headers */
224
225extern uschar *deliver_address_data; /* Arbitrary data for an address */
226extern int deliver_datafile; /* FD for data part of message */
227extern uschar *deliver_domain; /* The local domain for delivery */
228extern uschar *deliver_domain_data; /* From domain lookup */
229extern uschar *deliver_domain_orig; /* The original local domain for delivery */
230extern uschar *deliver_domain_parent; /* The parent domain for delivery */
231extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
232extern BOOL deliver_firsttime; /* True for first delivery attempt */
233extern BOOL deliver_force; /* TRUE if delivery was forced */
234extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
235extern int deliver_frozen_at; /* Time of freezing */
236extern uschar *deliver_home; /* Home directory for pipes */
237extern uschar *deliver_host; /* (First) host for routed local deliveries */
238 /* Remote host for filter */
239extern uschar *deliver_host_address; /* Address for remote delivery filter */
240extern uschar *deliver_in_buffer; /* Buffer for copying file */
241extern ino_t deliver_inode; /* Inode for appendfile */
242extern uschar *deliver_localpart; /* The local part for delivery */
243extern uschar *deliver_localpart_data; /* From local part lookup */
244extern uschar *deliver_localpart_orig; /* The original local part for delivery */
245extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
246extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
247extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
248extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
249extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
250extern uschar *deliver_out_buffer; /* Buffer for copying file */
251extern int deliver_queue_load_max; /* Different value for queue running */
252extern address_item *deliver_recipients; /* Current set of addresses */
253extern uschar *deliver_selectstring; /* For selecting by recipient */
254extern BOOL deliver_selectstring_regex; /* String is regex */
255extern uschar *deliver_selectstring_sender; /* For selecting by sender */
256extern BOOL deliver_selectstring_sender_regex; /* String is regex */
8523533c
TK		 257#ifdef WITH_OLD_DEMIME
258extern int demime_errorlevel; /* Severity of MIME error */
259extern int demime_ok; /* Nonzero if message has been demimed */
260extern uschar *demime_reason; /* Reason for broken MIME container */
261#endif
059ec3d9
PH		 262extern BOOL disable_logging; /* Disables log writing when TRUE */
263
fb2274d4
TK		 264#ifdef EXPERIMENTAL_DOMAINKEYS
265extern uschar *dk_signing_domain; /* Domain used for signing a message. */
266extern uschar *dk_signing_selector; /* Selector used for signing a message. */
267extern int dk_do_verify; /* DK verification switch. Set with ACL control statement. */
268#endif
269
059ec3d9
PH		 270extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
271extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
272extern int dns_retrans; /* Retransmission time setting */
273extern int dns_retry; /* Number of retries */
274extern uschar *dnslist_domain; /* DNS (black) list domain */
275extern uschar *dnslist_text; /* DNS (black) list text message */
276extern uschar *dnslist_value; /* DNS (black) list IP address */
277extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
278extern int domainlist_count; /* Number defined */
279extern BOOL dont_deliver; /* TRUE for -N option */
280extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
281
282/* This option is now a no-opt, retained for compatibility */
283extern BOOL drop_cr; /* For broken local MUAs */
284
285extern BOOL enable_dollar_recipients; /* Make $recipients available */
286extern int envelope_to_remove; /* Remove envelope_to_headers */
287extern int errno_quota; /* Quota errno in this OS */
288extern int error_handling; /* Error handling style */
289extern uschar *errors_copy; /* For taking copies of errors */
290extern uschar *errors_reply_to; /* Reply-to for error messages */
291extern int errors_sender_rc; /* Return after message to sender*/
292extern gid_t exim_gid; /* To be used with exim_uid */
293extern BOOL exim_gid_set; /* TRUE if exim_gid set */
294extern uschar *exim_path; /* Path to exec exim */
295extern uid_t exim_uid; /* Non-root uid for exim */
296extern BOOL exim_uid_set; /* TRUE if exim_uid set */
297extern int expand_forbid; /* RDO flags for forbidding things */
298extern int expand_nlength[]; /* Lengths of numbered strings */
299extern int expand_nmax; /* Max numerical value */
300extern uschar *expand_nstring[]; /* Numbered strings */
301extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
302extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
303extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
304
8523533c
TK		 305extern BOOL fake_reject; /* TRUE if fake reject is to be given */
306extern uschar *fake_reject_text; /* Option for the fakereject control statement: can contain user defined message. Default is in globals.c. */
059ec3d9
PH		 307extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
308extern BOOL filter_running; /* TRUE while running a filter */
309extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
f05da2e8
PH		 310extern int filter_test; /* Filter test type */
311extern uschar *filter_test_sfile; /* System filter test file */
312extern uschar *filter_test_ufile; /* User filter test file */
059ec3d9
PH		 313extern uschar *filter_thisaddress; /* For address looping */
314extern int finduser_retries; /* Retry count for getpwnam() */
315extern uid_t fixed_never_users[]; /* Can't be overridden */
8523533c
TK		 316#ifdef WITH_OLD_DEMIME
317extern uschar *found_extension; /* demime acl condition: file extension found */
318#endif
059ec3d9
PH		 319extern uschar *freeze_tell; /* Message on (some) freezings */
320extern uschar *fudged_queue_times; /* For use in test harness */
321
322extern uschar *gecos_name; /* To be expanded when pattern matches */
323extern uschar *gecos_pattern; /* Pattern to match */
324extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
325
326extern int header_insert_maxlen; /* Max for inserting headers */
327extern int header_maxsize; /* Max total length for header */
328extern int header_line_maxsize; /* Max for an individual line */
329extern header_name header_names[]; /* Table of header names */
330extern int header_names_size; /* Number of entries */
331extern BOOL header_rewritten; /* TRUE if header changed by router */
332extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
333extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
334extern uschar *helo_lookup_domains; /* If these given, lookup host name */
335extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
336extern BOOL helo_verified; /* True if HELO verified */
337extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
338extern uschar *hex_digits; /* Used in several places */
339extern uschar *hold_domains; /* Hold up deliveries to these */
340extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
341extern BOOL host_checking_callout; /* TRUE if real callout wanted */
342extern uschar *host_data; /* Obtained from lookup in ACL */
343extern uschar *host_lookup; /* For which IP addresses are always looked up */
b08b24c8 344extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
059ec3d9
PH		 345extern BOOL host_lookup_failed; /* TRUE if lookup failed */
346extern uschar *host_lookup_order; /* Order of host lookup types */
347extern uschar *host_lookup_msg; /* Text for why it failed */
348extern int host_number; /* For sharing spools */
349extern uschar *host_number_string; /* For expanding */
350extern uschar *host_reject_connection; /* Reject these hosts */
351extern tree_node *hostlist_anchor; /* Tree of defined host lists */
352extern int hostlist_count; /* Number defined */
353extern uschar *hosts_connection_nolog; /* Limits the logging option */
354extern uschar *hosts_treat_as_local; /* For routing */
355
356extern int ignore_bounce_errors_after; /* Keep them for this time. */
357extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
358extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
359extern BOOL is_inetd; /* True for inetd calls */
360
361extern int journal_fd; /* Fd for journal file */
362
363extern int keep_malformed; /* Time to keep malformed messages */
364
365extern uschar *eldap_dn; /* Where LDAP DNs are left */
366extern int load_average; /* Most recently read load average */
367extern BOOL local_error_message; /* True if handling one of these */
69358f02 368extern BOOL local_from_check; /* For adding Sender: (global value) */
059ec3d9
PH		 369extern uschar *local_from_prefix; /* Permitted prefixes */
370extern uschar *local_from_suffix; /* Permitted suffixes */
371extern uschar *local_interfaces; /* For forcing specific interfaces */
372extern uschar *local_scan_data; /* Text returned by local_scan() */
373extern optionlist local_scan_options[];/* Option list for local_scan() */
374extern int local_scan_options_count; /* Size of the list */
375extern int local_scan_timeout; /* Timeout for local_scan() */
376extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
377extern gid_t local_user_gid; /* As it says; may be set in routers */
378extern uid_t local_user_uid; /* As it says; may be set in routers */
379extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
380extern int localpartlist_count; /* Number defined */
381extern uschar *log_buffer; /* For constructing log entries */
382extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
383extern uschar *log_file_path; /* If unset, use default */
384extern bit_table log_options[]; /* Table of options */
385extern int log_options_count; /* Size of table */
386extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
387extern uschar *log_selector_string; /* As supplied in the config */
388extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
389extern BOOL log_testing_mode; /* TRUE in various testing modes */
390extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
391extern uschar *login_sender_address; /* The actual sender address */
392extern lookup_info lookup_list[]; /* Vector of available lookups */
393extern int lookup_list_count; /* Number of entries in the list */
394extern int lookup_open_max; /* Max lookup files to cache */
395extern uschar *lookup_value; /* Value looked up from file */
396
397extern macro_item *macros; /* Configuration macros */
398extern uschar *mailstore_basename; /* For mailstore deliveries */
8523533c
TK		 399#ifdef WITH_CONTENT_SCAN
400extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
401#endif
059ec3d9
PH		 402extern int max_username_length; /* For systems with broken getpwnam() */
403extern int message_age; /* In seconds */
404extern uschar *message_body; /* Start of message body for filter */
405extern uschar *message_body_end; /* End of message body for filter */
406extern int message_body_size; /* Sic */
407extern int message_body_visible; /* Amount visible in message_body */
408extern int message_ended; /* State of message reading and how ended */
409extern uschar *message_headers; /* When built */
410extern uschar message_id_option[]; /* -E<message-id> for use as option */
411extern uschar *message_id_external; /* External form of following */
412extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
413extern uschar *message_id_text; /* Expanded to form message_id */
414extern struct timeval message_id_tv; /* Time used to create last message_id */
415extern int message_linecount; /* As it says */
416extern BOOL message_logs; /* TRUE to write message logs */
417extern int message_size; /* Size of message */
418extern uschar *message_size_limit; /* As it says */
419extern uschar message_subdir[]; /* Subdirectory for messages */
420extern uschar *message_reference; /* Reference for error messages */
8523533c
TK		 421
422/* MIME ACL expandables */
423#ifdef WITH_CONTENT_SCAN
424extern int mime_anomaly_level;
425extern uschar *mime_anomaly_text;
426extern uschar *mime_boundary;
427extern uschar *mime_charset;
428extern uschar *mime_content_description;
429extern uschar *mime_content_disposition;
430extern uschar *mime_content_id;
431extern unsigned int mime_content_size;
432extern uschar *mime_content_transfer_encoding;
433extern uschar *mime_content_type;
434extern uschar *mime_decoded_filename;
435extern uschar *mime_filename;
436extern int mime_is_multipart;
437extern int mime_is_coverletter;
438extern int mime_is_rfc822;
439extern int mime_part_count;
440#endif
441
059ec3d9
PH		 442extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
443
444extern uid_t *never_users; /* List of uids never to be used */
8523533c
TK		 445#ifdef WITH_CONTENT_SCAN
446extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
447#endif
059ec3d9
PH		 448extern BOOL no_multiline_responses; /* For broken clients */
449
450extern optionlist optionlist_auths[]; /* These option lists are made */
451extern int optionlist_auths_size; /* global so that readconf can */
452extern optionlist optionlist_routers[]; /* see them for printing out */
453extern int optionlist_routers_size; /* the options. */
454extern optionlist optionlist_transports[];
455extern int optionlist_transports_size;
456
457extern uid_t original_euid; /* Original effective uid */
458extern gid_t originator_gid; /* Gid of whoever wrote spool file */
459extern uschar *originator_login; /* Login of same */
460extern uschar *originator_name; /* Full name of same */
461extern uid_t originator_uid; /* Uid of ditto */
462extern uschar *override_local_interfaces; /* Value of -oX argument */
463extern uschar *override_pid_file_path; /* Value of -oP argument */
464
465extern BOOL parse_allow_group; /* Allow group syntax */
466extern BOOL parse_found_group; /* In the middle of a group */
467extern uschar *percent_hack_domains; /* Local domains for which '% operates */
468extern uschar *pid_file_path; /* For writing daemon pids */
469extern uschar *pipelining_advertise_hosts; /* As it says */
470extern BOOL preserve_message_logs; /* Save msglog files */
471extern uschar *primary_hostname; /* Primary name of this computer */
472extern BOOL print_topbitchars; /* Topbit chars are printing chars */
473extern uschar process_info[]; /* For SIGUSR1 output */
474extern uschar *process_log_path; /* Alternate path */
475extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
476
477extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
478extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
479extern BOOL queue_2stage; /* Run queue in 2-stage manner */
480extern uschar *queue_domains; /* Queue these domains */
481extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
482extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
483extern BOOL queue_run_force; /* TRUE to force during queue run */
484extern BOOL queue_run_local; /* Local deliveries only in queue run */
485extern BOOL queue_running; /* TRUE for queue running process and */
486 /* immediate children */
487extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
488extern int queue_run_pipe; /* Pipe for synchronizing */
489extern int queue_interval; /* Queue running interval */
490extern BOOL queue_only; /* TRUE to disable immediate delivery */
491extern int queue_only_load; /* Max load before auto-queue */
492extern uschar *queue_only_file; /* Queue if file exists/not-exists */
493extern BOOL queue_only_override; /* Allow override from command line */
494extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
495extern BOOL queue_run_in_order; /* As opposed to random */
496extern int queue_run_max; /* Max queue runners */
497extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
498extern uschar *queue_smtp_domains; /* Ditto, for these domains */
499
500extern unsigned int random_seed; /* Seed for random numbers */
501extern uschar *raw_active_hostname; /* Pre-expansion */
502extern uschar *raw_sender; /* Before rewriting */
503extern uschar **raw_recipients; /* Before rewriting */
504extern int raw_recipients_count;
505extern int rcpt_count; /* Count of RCPT commands in a message */
506extern int rcpt_fail_count; /* Those that got 5xx */
507extern int rcpt_defer_count; /* Those that got 4xx */
508extern gid_t real_gid; /* Real gid */
509extern uid_t real_uid; /* Real user running program */
510extern BOOL really_exim; /* FALSE in utilities */
511extern BOOL receive_call_bombout; /* Flag for crashing log */
512extern int receive_linecount; /* Mainly for BSMTP errors */
513extern int receive_messagecount; /* Mainly for BSMTP errors */
514extern int receive_timeout; /* For non-SMTP acceptance */
515extern int received_count; /* Count of Received: headers */
516extern uschar *received_for; /* For "for" field */
517extern uschar *received_header_text; /* Definition of Received: header */
518extern int received_headers_max; /* Max count of Received: headers */
519extern int received_time; /* Time the message was received */
520extern uschar *recipient_data; /* lookup data for recipients */
521extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
2c7db3f5 522extern uschar *recipient_verify_failure; /* What went wrong */
059ec3d9
PH		 523extern BOOL recipients_discarded; /* By an ACL */
524extern int recipients_list_max; /* Maximum number fitting in list */
525extern int recipients_max; /* Max permitted */
526extern int recipients_max_reject; /* If TRUE, reject whole message */
527extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
528extern const pcre *regex_check_dns_names; /* For DNS name checking */
529extern const pcre *regex_From; /* For recognizing "From_" lines */
530extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
531extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
532extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
8523533c
TK		 533#ifdef WITH_CONTENT_SCAN
534extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
535#endif
059ec3d9
PH		 536extern int remote_delivery_count; /* Number of remote addresses */
537extern int remote_max_parallel; /* Maximum parallel delivery */
538extern uschar *remote_sort_domains; /* Remote domain sorting order */
539extern retry_config *retries; /* Chain of retry config information */
540extern int retry_data_expire; /* When to expire retry data */
541extern int retry_interval_max; /* Absolute maximum */
542extern int retry_maximum_timeout; /* The maximum timeout */
543extern uschar *return_path; /* Return path for a message */
544extern BOOL return_path_remove; /* Remove return-path headers */
545extern int rewrite_existflags; /* Indicate which headers have rewrites */
546extern uschar *rfc1413_hosts; /* RFC hosts */
547extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
548/* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
549extern uid_t root_uid; /* The uid for root */
550extern router_info routers_available[];/* Vector of available routers */
551extern router_instance *routers; /* Chain of instantiated routers */
552extern router_instance router_defaults;/* Default values */
553extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
554extern ip_address_item *running_interfaces; /* Host's running interfaces */
555extern uschar *running_status; /* Flag string for testing */
556extern int runrc; /* rc from ${run} */
557
558extern uschar *search_error_message; /* Details of lookup problem */
559extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
560extern uschar *self_hostname; /* Self host after routing->directors */
561extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
2a3eea10 562extern uschar *sender_address_data; /* address_data from sender verify */
059ec3d9
PH		 563extern BOOL sender_address_forced; /* Set by -f */
564extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
565extern uschar *sender_data; /* lookup result for senders */
566extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
567extern uschar *sender_fullhost; /* Sender host name + address */
568extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
569extern uschar **sender_host_aliases; /* Points to list of alias names */
570extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
571extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
572extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
573extern uschar *sender_ident; /* Sender identity via RFC 1413 */
574extern BOOL sender_local; /* TRUE for local senders */
575extern uschar *sender_rcvhost; /* Host data for Received: */
576extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
577extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
2c7db3f5 578extern uschar *sender_verify_failure; /* What went wrong */
059ec3d9
PH		 579extern address_item *sender_verified_list; /* Saved chain of sender verifies */
580extern address_item *sender_verified_failed; /* The one that caused denial */
581extern volatile BOOL sigalrm_seen; /* Flag for sigalrm_handler */
582extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
583extern int smtp_accept_count; /* Count of connections */
584extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
585extern int smtp_accept_max; /* Max SMTP connections */
586extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
587extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
588extern int smtp_accept_max_per_connection; /* Max msgs per connection */
589extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
590extern int smtp_accept_queue; /* Queue after so many connections */
591extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
592extern int smtp_accept_reserve; /* Reserve these SMTP connections */
593extern uschar *smtp_active_hostname; /* Hostname for this message */
594extern BOOL smtp_authenticated; /* Sending client has authenticated */
595extern uschar *smtp_banner; /* Banner string (to be expanded) */
596extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
597extern uschar *smtp_command_argument; /* When running certain ACLs */
598extern int smtp_connect_backlog; /* Max backlog permitted */
599extern double smtp_delay_mail; /* Current MAIL delay */
600extern double smtp_delay_rcpt; /* Current RCPT delay */
601extern BOOL smtp_enforce_sync; /* Enforce sync rules */
602extern uschar *smtp_etrn_command; /* Command to run */
603extern BOOL smtp_etrn_serialize; /* Only one at once */
604extern FILE *smtp_in; /* Incoming SMTP input file */
605extern int smtp_load_reserve; /* Only from reserved if load > this */
606extern int smtp_mailcmd_count; /* Count of MAIL commands */
607extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
608extern int smtp_max_unknown_commands; /* As it says */
609extern FILE *smtp_out; /* Incoming SMTP output file */
610extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
611extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
612extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
613extern uschar *smtp_read_error; /* Message for SMTP input error */
614extern int smtp_receive_timeout; /* Applies to each received line */
615extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
616extern BOOL smtp_return_error_details; /* TRUE to return full info */
617extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
618extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
619extern int smtp_rlm_limit; /* Max delay */
620extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
621extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
622extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
623extern int smtp_rlr_limit; /* Max delay */
624extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
625extern BOOL smtp_use_pipelining; /* Global for passed connections */
626extern BOOL smtp_use_size; /* Global for passed connections */
8523533c
TK		 627
628#ifdef WITH_CONTENT_SCAN
629extern uschar *spamd_address; /* address for the spamassassin daemon */
630extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
631extern uschar *spam_report; /* the spamd report (multiline) */
632extern uschar *spam_score; /* the spam score (float) */
633extern uschar *spam_score_int; /* spam_score * 10 (int) */
634#endif
635#ifdef EXPERIMENTAL_SPF
636extern uschar *spf_header_comment; /* spf header comment */
637extern uschar *spf_received; /* SPF-Received: header */
638extern uschar *spf_result; /* spf result in string form */
639extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
640#endif
059ec3d9
PH		 641extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
642extern uschar *spool_directory; /* Name of spool directory */
8523533c
TK		 643#ifdef EXPERIMENTAL_SRS
644extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
645extern uschar *srs_db_address; /* SRS db address */
646extern uschar *srs_db_key; /* SRS db key */
647extern uschar *srs_orig_sender; /* SRS original sender */
648extern uschar *srs_orig_recipient; /* SRS original recipient */
649extern uschar *srs_recipient; /* SRS recipient */
650extern uschar *srs_status; /* SRS staus */
651#endif
059ec3d9
PH		 652extern int string_datestamp_offset;/* After insertion by string_format */
653extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
654extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
655extern uschar *submission_domain; /* Domain for submission mode */
656extern BOOL submission_mode; /* Can be forced from ACL */
657extern BOOL synchronous_delivery; /* TRUE if -odi is set */
658extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
659extern int syslog_facility; /* As defined by Syslog.h */
660extern uschar *syslog_processname; /* 'ident' param to openlog() */
661extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
662extern uschar *system_filter; /* Name of system filter file */
663
664extern uschar *system_filter_directory_transport; /* Transports for the */
665extern uschar *system_filter_file_transport; /* system filter */
666extern uschar *system_filter_pipe_transport;
667extern uschar *system_filter_reply_transport;
668
669extern gid_t system_filter_gid; /* Gid for running system filter */
670extern BOOL system_filter_gid_set; /* TRUE if gid set */
671extern uid_t system_filter_uid; /* Uid for running system filter */
672extern BOOL system_filter_uid_set; /* TRUE if uid set */
673extern BOOL system_filtering; /* TRUE when running system filter */
674
675extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
676extern int thismessage_size_limit; /* Limit for this message */
677extern int timeout_frozen_after; /* Max time to keep frozen messages */
678extern BOOL timestamps_utc; /* Use UTC for all times */
679extern int transport_count; /* Count of bytes transported */
680extern uschar **transport_filter_argv; /* For on-the-fly filtering */
681extern int transport_filter_timeout; /* Timeout for same */
682
683extern transport_info transports_available[]; /* Vector of available transports */
684extern transport_instance *transports; /* Chain of instantiated transports */
685extern transport_instance transport_defaults; /* Default values */
686
687extern int transport_write_timeout;/* Set to time out individual writes */
688
689extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
690extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
691extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
692extern tree_node *tree_unusable; /* Tree of unusable addresses */
693
694extern BOOL trusted_caller; /* Caller is trusted */
695extern gid_t *trusted_groups; /* List of trusted groups */
696extern uid_t *trusted_users; /* List of trusted users */
697extern uschar *timezone_string; /* Required timezone setting */
698
699extern uschar *unknown_login; /* To use when login id unknown */
700extern uschar *unknown_username; /* Ditto */
701extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
702extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
703extern uschar *uucp_from_sender; /* For building the sender */
704
705extern uschar *warn_message_file; /* Template for warning messages */
706extern uschar *warnmsg_delay; /* String form of delay time */
707extern uschar *warnmsg_recipients; /* Recipients of warning message */
708extern BOOL write_rejectlog; /* Control of reject logging */
709
710extern uschar *version_copyright; /* Copyright notice */
711extern uschar *version_date; /* Date of compilation */
712extern uschar *version_cnumber; /* Compile number */
713extern uschar *version_string; /* Version string */
714
715extern int warning_count; /* Delay warnings sent for this msg */
716
717/* End of globals.h */
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