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Make $smtp_command_argument available for all SMTP commands.
[exim.git] / src / src / globals.h
CommitLineData
64ffc24f 1/* $Cambridge: exim/src/src/globals.h,v 1.26 2005/08/22 14:01:37 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
31480e42
PH		 54#ifdef LOOKUP_SQLITE
55extern int sqlite_lock_timeout; /* Internal lock waiting timeout */
56#endif
57
059ec3d9
PH		 58#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
59extern BOOL move_frozen_messages; /* Get them out of the normal directory */
60#endif
61
62/* These variables are outside the #ifdef because it keeps the code less
63cluttered in several places (e.g. during logging) if we can always refer to
64them. Also, the tls_ variables are now always visible. */
65
66extern int tls_active; /* fd/socket when in a TLS session */
67extern BOOL tls_certificate_verified; /* Client certificate verified */
68extern uschar *tls_cipher; /* Cipher used */
69extern BOOL tls_on_connect; /* For older MTAs that don't STARTTLS */
70extern uschar *tls_on_connect_ports; /* Ports always tls-on-connect */
71extern uschar *tls_peerdn; /* DN from peer */
72
73#ifdef SUPPORT_TLS
74extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
75extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
76extern uschar *tls_certificate; /* Certificate file */
77extern uschar *tls_crl; /* CRL File */
78extern uschar *tls_dhparam; /* DH param file */
79extern BOOL tls_offered; /* Server offered TLS */
80extern uschar *tls_privatekey; /* Private key file */
81extern BOOL tls_remember_esmtp; /* For YAEB */
82extern uschar *tls_require_ciphers; /* So some can be avoided */
83extern uschar *tls_try_verify_hosts; /* Optional client verification */
84extern uschar *tls_verify_certificates;/* Path for certificates to check */
85extern uschar *tls_verify_hosts; /* Mandatory client verification */
86#endif
87
88
89/* Input-reading functions for messages, so we can use special ones for
90incoming TCP/IP. */
91
92extern int (*receive_getc)(void);
93extern int (*receive_ungetc)(int);
94extern int (*receive_feof)(void);
95extern int (*receive_ferror)(void);
96
97
98/* For clearing, saving, restoring address expansion variables. We have to have
99the size of this vector set explicitly, because it is referenced from more than
100one module. */
101
102extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
103
104/* General global variables */
105
106extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
107extern tree_node *acl_anchor; /* Tree of named ACLs */
108extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
54cdb463
PH		 109#ifdef WITH_CONTENT_SCAN
110extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */
111#endif
059ec3d9
PH		 112extern uschar *acl_smtp_auth; /* ACL run for AUTH */
113extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
114extern uschar *acl_smtp_data; /* ACL run after DATA received */
115extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
116extern uschar *acl_smtp_expn; /* ACL run for EXPN */
117extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
118extern uschar *acl_smtp_mail; /* ACL run for MAIL */
119extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
8523533c
TK		 120#ifdef WITH_CONTENT_SCAN
121extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
122#endif
059ec3d9
PH		 123extern uschar *acl_smtp_predata; /* ACL run for DATA command */
124extern uschar *acl_smtp_quit; /* ACL run for QUIT */
125extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
126extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
127extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
128extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
129extern uschar *acl_var[ACL_C_MAX+ACL_M_MAX]; /* User variables */
130extern uschar *acl_verify_message; /* User message for verify failure */
131extern header_line *acl_warn_headers; /* Warning headers added by ACL */
132extern string_item *acl_warn_logged; /* Logged lines */
133extern int acl_wherecodes[]; /* Response codes for ACL fails */
134extern uschar *acl_wherenames[]; /* Names for messages */
69358f02
PH		 135extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
136extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
059ec3d9
PH		 137extern address_item *addr_duplicate; /* Duplicate address list */
138extern address_item address_defaults; /* Default data for address item */
139extern uschar *address_file; /* Name of file when delivering to one */
140extern uschar *address_pipe; /* Pipe command when delivering to one */
141extern BOOL address_test_mode; /* True for -bt */
142extern tree_node *addresslist_anchor; /* Tree of defined address lists */
143extern int addresslist_count; /* Number defined */
144extern gid_t *admin_groups; /* List of admin groups */
145extern BOOL admin_user; /* True if caller can do admin */
146extern BOOL allow_domain_literals; /* As it says */
147extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
148extern BOOL allow_unqualified_recipient; /* As it says */
149extern BOOL allow_unqualified_sender; /* Ditto */
150extern BOOL allow_utf8_domains; /* For experimenting */
151extern uschar *authenticated_id; /* ID that was authenticated */
152extern uschar *authenticated_sender; /* From AUTH on MAIL */
153extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
154extern uschar *auth_advertise_hosts; /* Only advertise to these */
155extern auth_info auths_available[]; /* Vector of available auth mechanisms */
156extern auth_instance *auths; /* Chain of instantiated auths */
157extern auth_instance auth_defaults; /* Default values */
158extern uschar *auth_defer_msg; /* Error message for log */
159extern uschar *auth_defer_user_msg; /* Error message for user */
160extern int auto_thaw; /* Auto-thaw interval */
8523533c
TK		 161#ifdef WITH_CONTENT_SCAN
162extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
163#endif
059ec3d9
PH		 164
165extern BOOL background_daemon; /* Set FALSE to keep in foreground */
166extern uschar *base62_chars; /* Table of base-62 characters */
167extern uschar *bi_command; /* Command for -bi option */
168extern uschar *big_buffer; /* Used for various temp things */
169extern int big_buffer_size; /* Current size (can expand) */
8523533c
TK		 170#ifdef EXPERIMENTAL_BRIGHTMAIL
171extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
172extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
173extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
174extern uschar *bmi_config_file; /* Brightmail config file */
175extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
176extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
177extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
178#endif
059ec3d9
PH		 179extern int body_linecount; /* Line count in body */
180extern int body_zerocount; /* Binary zero count in body */
181extern uschar *bounce_message_file; /* Template file */
182extern uschar *bounce_message_text; /* One-liner */
183extern uschar *bounce_recipient; /* When writing an errmsg */
184extern BOOL bounce_return_body; /* Include body in returned message */
185extern BOOL bounce_return_message; /* Include message in bounce */
186extern int bounce_return_size_limit; /* Max amount to return */
187extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
188extern int bsmtp_transaction_linecount; /* Start of last transaction */
189
190extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
191extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
192extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
193extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
194extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
195extern uschar *check_dns_names_pattern;/* Regex for syntax check */
196extern int check_log_inodes; /* Minimum for message acceptance */
197extern int check_log_space; /* Minimum for message acceptance */
198extern int check_spool_inodes; /* Minimum for message acceptance */
199extern int check_spool_space; /* Minimum for message acceptance */
200extern int clmacro_count; /* Number of command line macros */
201extern uschar *clmacros[]; /* Copy of them, for re-exec */
202extern int connection_max_messages;/* Max down one SMTP connection */
203extern BOOL config_changed; /* True if -C used */
204extern FILE *config_file; /* Configuration file */
205extern uschar *config_filename; /* Configuration file name */
35edf2ff
PH		 206#ifdef CONFIGURE_GROUP
207extern gid_t config_gid; /* Additional group owner */
208#endif
059ec3d9
PH		 209extern int config_lineno; /* Line number */
210extern uschar *config_main_filelist; /* List of possible config files */
211extern uschar *config_main_filename; /* File name actually used */
212#ifdef CONFIGURE_OWNER
213extern uid_t config_uid; /* Additional owner */
214#endif
215extern uschar *continue_hostname; /* Host for continued delivery */
216extern uschar *continue_host_address; /* IP address for ditto */
217extern BOOL continue_more; /* Flag more addresses waiting */
218extern int continue_sequence; /* Sequence num for continued delivery */
219extern uschar *continue_transport; /* Transport for continued delivery */
220
e5a9dba6
PH		 221extern uschar *csa_status; /* Client SMTP Authorization result */
222
059ec3d9
PH		 223extern BOOL daemon_listen; /* True if listening required */
224extern uschar *daemon_smtp_port; /* Can be a list of ports */
4aee0225
PH		 225extern int daemon_startup_retries; /* Number of times to retry */
226extern int daemon_startup_sleep; /* Sleep between retries */
3d235903 227extern BOOL debug_daemon; /* Debug the daemon process only */
059ec3d9
PH		 228extern int debug_fd; /* The fd for debug_file */
229extern FILE *debug_file; /* Where to write debugging info */
230extern bit_table debug_options[]; /* Table of debug options */
231extern int debug_options_count; /* Size of table */
232extern int delay_warning[]; /* Times between warnings */
233extern uschar *delay_warning_condition; /* Condition string for warnings */
234extern BOOL delivery_date_remove; /* Remove delivery-date headers */
235
236extern uschar *deliver_address_data; /* Arbitrary data for an address */
237extern int deliver_datafile; /* FD for data part of message */
238extern uschar *deliver_domain; /* The local domain for delivery */
239extern uschar *deliver_domain_data; /* From domain lookup */
240extern uschar *deliver_domain_orig; /* The original local domain for delivery */
241extern uschar *deliver_domain_parent; /* The parent domain for delivery */
242extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
243extern BOOL deliver_firsttime; /* True for first delivery attempt */
244extern BOOL deliver_force; /* TRUE if delivery was forced */
245extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
246extern int deliver_frozen_at; /* Time of freezing */
247extern uschar *deliver_home; /* Home directory for pipes */
248extern uschar *deliver_host; /* (First) host for routed local deliveries */
249 /* Remote host for filter */
250extern uschar *deliver_host_address; /* Address for remote delivery filter */
251extern uschar *deliver_in_buffer; /* Buffer for copying file */
252extern ino_t deliver_inode; /* Inode for appendfile */
253extern uschar *deliver_localpart; /* The local part for delivery */
254extern uschar *deliver_localpart_data; /* From local part lookup */
255extern uschar *deliver_localpart_orig; /* The original local part for delivery */
256extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
257extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
258extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
259extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
260extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
261extern uschar *deliver_out_buffer; /* Buffer for copying file */
262extern int deliver_queue_load_max; /* Different value for queue running */
263extern address_item *deliver_recipients; /* Current set of addresses */
264extern uschar *deliver_selectstring; /* For selecting by recipient */
265extern BOOL deliver_selectstring_regex; /* String is regex */
266extern uschar *deliver_selectstring_sender; /* For selecting by sender */
267extern BOOL deliver_selectstring_sender_regex; /* String is regex */
8523533c
TK		 268#ifdef WITH_OLD_DEMIME
269extern int demime_errorlevel; /* Severity of MIME error */
270extern int demime_ok; /* Nonzero if message has been demimed */
271extern uschar *demime_reason; /* Reason for broken MIME container */
272#endif
059ec3d9
PH		 273extern BOOL disable_logging; /* Disables log writing when TRUE */
274
fb2274d4
TK		 275#ifdef EXPERIMENTAL_DOMAINKEYS
276extern uschar *dk_signing_domain; /* Domain used for signing a message. */
277extern uschar *dk_signing_selector; /* Selector used for signing a message. */
278extern int dk_do_verify; /* DK verification switch. Set with ACL control statement. */
279#endif
280
059ec3d9 281extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
e5a9dba6
PH		 282extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */
283extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */
059ec3d9
PH		 284extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
285extern int dns_retrans; /* Retransmission time setting */
286extern int dns_retry; /* Number of retries */
287extern uschar *dnslist_domain; /* DNS (black) list domain */
288extern uschar *dnslist_text; /* DNS (black) list text message */
289extern uschar *dnslist_value; /* DNS (black) list IP address */
290extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
291extern int domainlist_count; /* Number defined */
292extern BOOL dont_deliver; /* TRUE for -N option */
293extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
294
295/* This option is now a no-opt, retained for compatibility */
296extern BOOL drop_cr; /* For broken local MUAs */
297
298extern BOOL enable_dollar_recipients; /* Make $recipients available */
299extern int envelope_to_remove; /* Remove envelope_to_headers */
300extern int errno_quota; /* Quota errno in this OS */
301extern int error_handling; /* Error handling style */
302extern uschar *errors_copy; /* For taking copies of errors */
303extern uschar *errors_reply_to; /* Reply-to for error messages */
304extern int errors_sender_rc; /* Return after message to sender*/
305extern gid_t exim_gid; /* To be used with exim_uid */
306extern BOOL exim_gid_set; /* TRUE if exim_gid set */
307extern uschar *exim_path; /* Path to exec exim */
308extern uid_t exim_uid; /* Non-root uid for exim */
309extern BOOL exim_uid_set; /* TRUE if exim_uid set */
310extern int expand_forbid; /* RDO flags for forbidding things */
311extern int expand_nlength[]; /* Lengths of numbered strings */
312extern int expand_nmax; /* Max numerical value */
313extern uschar *expand_nstring[]; /* Numbered strings */
314extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
315extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
316extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
317
29aba418
TF		 318extern int fake_response; /* Fake FAIL or DEFER response to data */
319extern uschar *fake_response_text; /* User defined message for the above. Default is in globals.c. */
059ec3d9
PH		 320extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
321extern BOOL filter_running; /* TRUE while running a filter */
322extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
f05da2e8
PH		 323extern int filter_test; /* Filter test type */
324extern uschar *filter_test_sfile; /* System filter test file */
325extern uschar *filter_test_ufile; /* User filter test file */
059ec3d9
PH		 326extern uschar *filter_thisaddress; /* For address looping */
327extern int finduser_retries; /* Retry count for getpwnam() */
328extern uid_t fixed_never_users[]; /* Can't be overridden */
8523533c
TK		 329#ifdef WITH_OLD_DEMIME
330extern uschar *found_extension; /* demime acl condition: file extension found */
331#endif
059ec3d9
PH		 332extern uschar *freeze_tell; /* Message on (some) freezings */
333extern uschar *fudged_queue_times; /* For use in test harness */
334
335extern uschar *gecos_name; /* To be expanded when pattern matches */
336extern uschar *gecos_pattern; /* Pattern to match */
337extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
338
339extern int header_insert_maxlen; /* Max for inserting headers */
340extern int header_maxsize; /* Max total length for header */
341extern int header_line_maxsize; /* Max for an individual line */
342extern header_name header_names[]; /* Table of header names */
343extern int header_names_size; /* Number of entries */
344extern BOOL header_rewritten; /* TRUE if header changed by router */
345extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
346extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
347extern uschar *helo_lookup_domains; /* If these given, lookup host name */
348extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
349extern BOOL helo_verified; /* True if HELO verified */
d7b47fd0 350extern BOOL helo_verify_failed; /* True if attempt failed */
059ec3d9
PH		 351extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
352extern uschar *hex_digits; /* Used in several places */
353extern uschar *hold_domains; /* Hold up deliveries to these */
354extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
355extern BOOL host_checking_callout; /* TRUE if real callout wanted */
356extern uschar *host_data; /* Obtained from lookup in ACL */
357extern uschar *host_lookup; /* For which IP addresses are always looked up */
b08b24c8 358extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
059ec3d9
PH		 359extern BOOL host_lookup_failed; /* TRUE if lookup failed */
360extern uschar *host_lookup_order; /* Order of host lookup types */
361extern uschar *host_lookup_msg; /* Text for why it failed */
362extern int host_number; /* For sharing spools */
363extern uschar *host_number_string; /* For expanding */
364extern uschar *host_reject_connection; /* Reject these hosts */
365extern tree_node *hostlist_anchor; /* Tree of defined host lists */
366extern int hostlist_count; /* Number defined */
367extern uschar *hosts_connection_nolog; /* Limits the logging option */
368extern uschar *hosts_treat_as_local; /* For routing */
369
370extern int ignore_bounce_errors_after; /* Keep them for this time. */
371extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
372extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
373extern BOOL is_inetd; /* True for inetd calls */
374
375extern int journal_fd; /* Fd for journal file */
376
377extern int keep_malformed; /* Time to keep malformed messages */
378
379extern uschar *eldap_dn; /* Where LDAP DNs are left */
380extern int load_average; /* Most recently read load average */
381extern BOOL local_error_message; /* True if handling one of these */
69358f02 382extern BOOL local_from_check; /* For adding Sender: (global value) */
059ec3d9
PH		 383extern uschar *local_from_prefix; /* Permitted prefixes */
384extern uschar *local_from_suffix; /* Permitted suffixes */
385extern uschar *local_interfaces; /* For forcing specific interfaces */
386extern uschar *local_scan_data; /* Text returned by local_scan() */
387extern optionlist local_scan_options[];/* Option list for local_scan() */
388extern int local_scan_options_count; /* Size of the list */
389extern int local_scan_timeout; /* Timeout for local_scan() */
390extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
391extern gid_t local_user_gid; /* As it says; may be set in routers */
392extern uid_t local_user_uid; /* As it says; may be set in routers */
393extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
394extern int localpartlist_count; /* Number defined */
395extern uschar *log_buffer; /* For constructing log entries */
396extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
397extern uschar *log_file_path; /* If unset, use default */
398extern bit_table log_options[]; /* Table of options */
399extern int log_options_count; /* Size of table */
400extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
401extern uschar *log_selector_string; /* As supplied in the config */
402extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
403extern BOOL log_testing_mode; /* TRUE in various testing modes */
404extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
405extern uschar *login_sender_address; /* The actual sender address */
406extern lookup_info lookup_list[]; /* Vector of available lookups */
407extern int lookup_list_count; /* Number of entries in the list */
408extern int lookup_open_max; /* Max lookup files to cache */
409extern uschar *lookup_value; /* Value looked up from file */
410
411extern macro_item *macros; /* Configuration macros */
412extern uschar *mailstore_basename; /* For mailstore deliveries */
8523533c
TK		 413#ifdef WITH_CONTENT_SCAN
414extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
415#endif
059ec3d9
PH		 416extern int max_username_length; /* For systems with broken getpwnam() */
417extern int message_age; /* In seconds */
418extern uschar *message_body; /* Start of message body for filter */
419extern uschar *message_body_end; /* End of message body for filter */
420extern int message_body_size; /* Sic */
421extern int message_body_visible; /* Amount visible in message_body */
422extern int message_ended; /* State of message reading and how ended */
423extern uschar *message_headers; /* When built */
424extern uschar message_id_option[]; /* -E<message-id> for use as option */
425extern uschar *message_id_external; /* External form of following */
426extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
427extern uschar *message_id_text; /* Expanded to form message_id */
428extern struct timeval message_id_tv; /* Time used to create last message_id */
429extern int message_linecount; /* As it says */
430extern BOOL message_logs; /* TRUE to write message logs */
431extern int message_size; /* Size of message */
432extern uschar *message_size_limit; /* As it says */
433extern uschar message_subdir[]; /* Subdirectory for messages */
434extern uschar *message_reference; /* Reference for error messages */
8523533c
TK		 435
436/* MIME ACL expandables */
437#ifdef WITH_CONTENT_SCAN
438extern int mime_anomaly_level;
439extern uschar *mime_anomaly_text;
440extern uschar *mime_boundary;
441extern uschar *mime_charset;
442extern uschar *mime_content_description;
443extern uschar *mime_content_disposition;
444extern uschar *mime_content_id;
445extern unsigned int mime_content_size;
446extern uschar *mime_content_transfer_encoding;
447extern uschar *mime_content_type;
448extern uschar *mime_decoded_filename;
449extern uschar *mime_filename;
450extern int mime_is_multipart;
451extern int mime_is_coverletter;
452extern int mime_is_rfc822;
453extern int mime_part_count;
454#endif
455
059ec3d9
PH		 456extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
457
458extern uid_t *never_users; /* List of uids never to be used */
8523533c
TK		 459#ifdef WITH_CONTENT_SCAN
460extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
461#endif
059ec3d9
PH		 462extern BOOL no_multiline_responses; /* For broken clients */
463
464extern optionlist optionlist_auths[]; /* These option lists are made */
465extern int optionlist_auths_size; /* global so that readconf can */
466extern optionlist optionlist_routers[]; /* see them for printing out */
467extern int optionlist_routers_size; /* the options. */
468extern optionlist optionlist_transports[];
469extern int optionlist_transports_size;
470
471extern uid_t original_euid; /* Original effective uid */
472extern gid_t originator_gid; /* Gid of whoever wrote spool file */
473extern uschar *originator_login; /* Login of same */
474extern uschar *originator_name; /* Full name of same */
475extern uid_t originator_uid; /* Uid of ditto */
476extern uschar *override_local_interfaces; /* Value of -oX argument */
477extern uschar *override_pid_file_path; /* Value of -oP argument */
478
479extern BOOL parse_allow_group; /* Allow group syntax */
480extern BOOL parse_found_group; /* In the middle of a group */
481extern uschar *percent_hack_domains; /* Local domains for which '% operates */
482extern uschar *pid_file_path; /* For writing daemon pids */
483extern uschar *pipelining_advertise_hosts; /* As it says */
484extern BOOL preserve_message_logs; /* Save msglog files */
485extern uschar *primary_hostname; /* Primary name of this computer */
486extern BOOL print_topbitchars; /* Topbit chars are printing chars */
487extern uschar process_info[]; /* For SIGUSR1 output */
488extern uschar *process_log_path; /* Alternate path */
489extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
fffda43a
TK		 490extern uschar *prvscheck_address; /* Set during prvscheck expansion item */
491extern uschar *prvscheck_keynum; /* Set during prvscheck expansion item */
492extern uschar *prvscheck_result; /* Set during prvscheck expansion item */
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PH		 493
494extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
495extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
496extern BOOL queue_2stage; /* Run queue in 2-stage manner */
497extern uschar *queue_domains; /* Queue these domains */
498extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
499extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
500extern BOOL queue_run_force; /* TRUE to force during queue run */
501extern BOOL queue_run_local; /* Local deliveries only in queue run */
502extern BOOL queue_running; /* TRUE for queue running process and */
503 /* immediate children */
504extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
505extern int queue_run_pipe; /* Pipe for synchronizing */
506extern int queue_interval; /* Queue running interval */
507extern BOOL queue_only; /* TRUE to disable immediate delivery */
508extern int queue_only_load; /* Max load before auto-queue */
509extern uschar *queue_only_file; /* Queue if file exists/not-exists */
510extern BOOL queue_only_override; /* Allow override from command line */
511extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
512extern BOOL queue_run_in_order; /* As opposed to random */
513extern int queue_run_max; /* Max queue runners */
514extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
515extern uschar *queue_smtp_domains; /* Ditto, for these domains */
516
517extern unsigned int random_seed; /* Seed for random numbers */
fe0dab11 518extern tree_node *ratelimiters_cmd; /* Results of command ratelimit checks */
870f6ba8
TF		 519extern tree_node *ratelimiters_conn; /* Results of connection ratelimit checks */
520extern tree_node *ratelimiters_mail; /* Results of per-mail ratelimit checks */
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PH		 521extern uschar *raw_active_hostname; /* Pre-expansion */
522extern uschar *raw_sender; /* Before rewriting */
523extern uschar **raw_recipients; /* Before rewriting */
524extern int raw_recipients_count;
525extern int rcpt_count; /* Count of RCPT commands in a message */
526extern int rcpt_fail_count; /* Those that got 5xx */
527extern int rcpt_defer_count; /* Those that got 4xx */
528extern gid_t real_gid; /* Real gid */
529extern uid_t real_uid; /* Real user running program */
530extern BOOL really_exim; /* FALSE in utilities */
531extern BOOL receive_call_bombout; /* Flag for crashing log */
532extern int receive_linecount; /* Mainly for BSMTP errors */
533extern int receive_messagecount; /* Mainly for BSMTP errors */
534extern int receive_timeout; /* For non-SMTP acceptance */
535extern int received_count; /* Count of Received: headers */
536extern uschar *received_for; /* For "for" field */
537extern uschar *received_header_text; /* Definition of Received: header */
538extern int received_headers_max; /* Max count of Received: headers */
539extern int received_time; /* Time the message was received */
540extern uschar *recipient_data; /* lookup data for recipients */
541extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
2c7db3f5 542extern uschar *recipient_verify_failure; /* What went wrong */
059ec3d9
PH		 543extern BOOL recipients_discarded; /* By an ACL */
544extern int recipients_list_max; /* Maximum number fitting in list */
545extern int recipients_max; /* Max permitted */
546extern int recipients_max_reject; /* If TRUE, reject whole message */
547extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
548extern const pcre *regex_check_dns_names; /* For DNS name checking */
549extern const pcre *regex_From; /* For recognizing "From_" lines */
f1513293 550extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
059ec3d9
PH		 551extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
552extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
553extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
8523533c
TK		 554#ifdef WITH_CONTENT_SCAN
555extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
556#endif
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PH		 557extern int remote_delivery_count; /* Number of remote addresses */
558extern int remote_max_parallel; /* Maximum parallel delivery */
559extern uschar *remote_sort_domains; /* Remote domain sorting order */
560extern retry_config *retries; /* Chain of retry config information */
561extern int retry_data_expire; /* When to expire retry data */
562extern int retry_interval_max; /* Absolute maximum */
563extern int retry_maximum_timeout; /* The maximum timeout */
564extern uschar *return_path; /* Return path for a message */
565extern BOOL return_path_remove; /* Remove return-path headers */
566extern int rewrite_existflags; /* Indicate which headers have rewrites */
567extern uschar *rfc1413_hosts; /* RFC hosts */
568extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
569/* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
570extern uid_t root_uid; /* The uid for root */
571extern router_info routers_available[];/* Vector of available routers */
572extern router_instance *routers; /* Chain of instantiated routers */
573extern router_instance router_defaults;/* Default values */
574extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
575extern ip_address_item *running_interfaces; /* Host's running interfaces */
576extern uschar *running_status; /* Flag string for testing */
577extern int runrc; /* rc from ${run} */
578
579extern uschar *search_error_message; /* Details of lookup problem */
580extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
581extern uschar *self_hostname; /* Self host after routing->directors */
582extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
2a3eea10 583extern uschar *sender_address_data; /* address_data from sender verify */
059ec3d9
PH		 584extern BOOL sender_address_forced; /* Set by -f */
585extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
586extern uschar *sender_data; /* lookup result for senders */
587extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
588extern uschar *sender_fullhost; /* Sender host name + address */
589extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
590extern uschar **sender_host_aliases; /* Points to list of alias names */
591extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
592extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
593extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
594extern uschar *sender_ident; /* Sender identity via RFC 1413 */
595extern BOOL sender_local; /* TRUE for local senders */
870f6ba8
TF		 596extern uschar *sender_rate; /* Sender rate computed by ACL */
597extern uschar *sender_rate_limit; /* Configured rate limit */
598extern uschar *sender_rate_period; /* Configured smoothing period */
059ec3d9
PH		 599extern uschar *sender_rcvhost; /* Host data for Received: */
600extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
601extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
2c7db3f5 602extern uschar *sender_verify_failure; /* What went wrong */
059ec3d9
PH		 603extern address_item *sender_verified_list; /* Saved chain of sender verifies */
604extern address_item *sender_verified_failed; /* The one that caused denial */
605extern volatile BOOL sigalrm_seen; /* Flag for sigalrm_handler */
606extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
607extern int smtp_accept_count; /* Count of connections */
608extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
609extern int smtp_accept_max; /* Max SMTP connections */
610extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
611extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
612extern int smtp_accept_max_per_connection; /* Max msgs per connection */
613extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
614extern int smtp_accept_queue; /* Queue after so many connections */
615extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
616extern int smtp_accept_reserve; /* Reserve these SMTP connections */
617extern uschar *smtp_active_hostname; /* Hostname for this message */
618extern BOOL smtp_authenticated; /* Sending client has authenticated */
619extern uschar *smtp_banner; /* Banner string (to be expanded) */
620extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
64ffc24f 621extern uschar *smtp_command_argument; /* For all SMTP commands */
059ec3d9
PH		 622extern int smtp_connect_backlog; /* Max backlog permitted */
623extern double smtp_delay_mail; /* Current MAIL delay */
624extern double smtp_delay_rcpt; /* Current RCPT delay */
625extern BOOL smtp_enforce_sync; /* Enforce sync rules */
626extern uschar *smtp_etrn_command; /* Command to run */
627extern BOOL smtp_etrn_serialize; /* Only one at once */
628extern FILE *smtp_in; /* Incoming SMTP input file */
629extern int smtp_load_reserve; /* Only from reserved if load > this */
630extern int smtp_mailcmd_count; /* Count of MAIL commands */
631extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
632extern int smtp_max_unknown_commands; /* As it says */
633extern FILE *smtp_out; /* Incoming SMTP output file */
634extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
635extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
636extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
637extern uschar *smtp_read_error; /* Message for SMTP input error */
638extern int smtp_receive_timeout; /* Applies to each received line */
639extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
640extern BOOL smtp_return_error_details; /* TRUE to return full info */
641extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
642extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
643extern int smtp_rlm_limit; /* Max delay */
644extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
645extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
646extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
647extern int smtp_rlr_limit; /* Max delay */
648extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
649extern BOOL smtp_use_pipelining; /* Global for passed connections */
650extern BOOL smtp_use_size; /* Global for passed connections */
8523533c
TK		 651
652#ifdef WITH_CONTENT_SCAN
653extern uschar *spamd_address; /* address for the spamassassin daemon */
654extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
655extern uschar *spam_report; /* the spamd report (multiline) */
656extern uschar *spam_score; /* the spam score (float) */
657extern uschar *spam_score_int; /* spam_score * 10 (int) */
658#endif
659#ifdef EXPERIMENTAL_SPF
660extern uschar *spf_header_comment; /* spf header comment */
661extern uschar *spf_received; /* SPF-Received: header */
662extern uschar *spf_result; /* spf result in string form */
663extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
664#endif
059ec3d9
PH		 665extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
666extern uschar *spool_directory; /* Name of spool directory */
8523533c
TK		 667#ifdef EXPERIMENTAL_SRS
668extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
669extern uschar *srs_db_address; /* SRS db address */
670extern uschar *srs_db_key; /* SRS db key */
384152a6
TK		 671extern int srs_hashlength; /* SRS hash length */
672extern int srs_hashmin; /* SRS minimum hash length */
673extern int srs_maxage; /* SRS max age */
8523533c
TK		 674extern uschar *srs_orig_sender; /* SRS original sender */
675extern uschar *srs_orig_recipient; /* SRS original recipient */
676extern uschar *srs_recipient; /* SRS recipient */
384152a6 677extern uschar *srs_secrets; /* SRS secrets list */
8523533c 678extern uschar *srs_status; /* SRS staus */
384152a6
TK		 679extern BOOL srs_usehash; /* SRS use hash flag */
680extern BOOL srs_usetimestamp; /* SRS use timestamp flag */
8523533c 681#endif
059ec3d9
PH		 682extern int string_datestamp_offset;/* After insertion by string_format */
683extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
684extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
685extern uschar *submission_domain; /* Domain for submission mode */
686extern BOOL submission_mode; /* Can be forced from ACL */
687extern BOOL synchronous_delivery; /* TRUE if -odi is set */
688extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
689extern int syslog_facility; /* As defined by Syslog.h */
690extern uschar *syslog_processname; /* 'ident' param to openlog() */
691extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
692extern uschar *system_filter; /* Name of system filter file */
693
694extern uschar *system_filter_directory_transport; /* Transports for the */
695extern uschar *system_filter_file_transport; /* system filter */
696extern uschar *system_filter_pipe_transport;
697extern uschar *system_filter_reply_transport;
698
699extern gid_t system_filter_gid; /* Gid for running system filter */
700extern BOOL system_filter_gid_set; /* TRUE if gid set */
701extern uid_t system_filter_uid; /* Uid for running system filter */
702extern BOOL system_filter_uid_set; /* TRUE if uid set */
703extern BOOL system_filtering; /* TRUE when running system filter */
704
705extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
706extern int thismessage_size_limit; /* Limit for this message */
707extern int timeout_frozen_after; /* Max time to keep frozen messages */
708extern BOOL timestamps_utc; /* Use UTC for all times */
709extern int transport_count; /* Count of bytes transported */
710extern uschar **transport_filter_argv; /* For on-the-fly filtering */
711extern int transport_filter_timeout; /* Timeout for same */
2e2a30b4 712extern BOOL transport_filter_timed_out; /* True if it did */
059ec3d9
PH		 713
714extern transport_info transports_available[]; /* Vector of available transports */
715extern transport_instance *transports; /* Chain of instantiated transports */
716extern transport_instance transport_defaults; /* Default values */
717
718extern int transport_write_timeout;/* Set to time out individual writes */
719
720extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
721extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
722extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
723extern tree_node *tree_unusable; /* Tree of unusable addresses */
724
725extern BOOL trusted_caller; /* Caller is trusted */
726extern gid_t *trusted_groups; /* List of trusted groups */
727extern uid_t *trusted_users; /* List of trusted users */
728extern uschar *timezone_string; /* Required timezone setting */
729
730extern uschar *unknown_login; /* To use when login id unknown */
731extern uschar *unknown_username; /* Ditto */
732extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
733extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
734extern uschar *uucp_from_sender; /* For building the sender */
735
736extern uschar *warn_message_file; /* Template for warning messages */
737extern uschar *warnmsg_delay; /* String form of delay time */
738extern uschar *warnmsg_recipients; /* Recipients of warning message */
739extern BOOL write_rejectlog; /* Control of reject logging */
740
741extern uschar *version_copyright; /* Copyright notice */
742extern uschar *version_date; /* Date of compilation */
743extern uschar *version_cnumber; /* Compile number */
744extern uschar *version_string; /* Version string */
745
746extern int warning_count; /* Delay warnings sent for this msg */
747
748/* End of globals.h */
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