Fix Proxy Protocol v2 handling
[exim.git] / src / src / globals.h
CommitLineData
059ec3d9
PH
1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
bc338899 5/* Copyright (c) University of Cambridge 1995 - 2013 */
059ec3d9
PH
6/* See the file NOTICE for conditions of use and distribution. */
7
8/* Almost all the global variables are defined together in this one header, so
9that they are easy to find. However, those that are visible during the
10compilation of the local_scan() function are defined separately in the
11local_scan.h header file. */
12
13/* First put any specials that are required for some operating systems. */
14
15#ifdef NEED_H_ERRNO
16extern int h_errno;
17#endif
18
cd59ab18
PP
19/* We need to be careful about width of int and atomicity in signal handlers,
20especially with the rise of 64-bit systems breaking older assumptions. But
21sig_atomic_t comes from signal.h so can't go into mytypes.h without including
22signal support in local_scan, which seems precipitous. */
23typedef volatile sig_atomic_t SIGNAL_BOOL;
24
059ec3d9
PH
25/* Now things that are present only when configured. */
26
27#ifdef EXIM_PERL
28extern uschar *opt_perl_startup; /* Startup code for Perl interpreter */
29extern BOOL opt_perl_at_start; /* Start Perl interpreter at start */
30extern BOOL opt_perl_started; /* Set once interpreter started */
31#endif
32
1a46a8c5
PH
33#ifdef EXPAND_DLFUNC
34extern tree_node *dlobj_anchor; /* Tree of dynamically-loaded objects */
35#endif
36
059ec3d9
PH
37#ifdef LOOKUP_IBASE
38extern uschar *ibase_servers;
39#endif
40
41#ifdef LOOKUP_LDAP
bc19a55b
PP
42extern uschar *eldap_ca_cert_dir; /* Directory with CA certificates */
43extern uschar *eldap_ca_cert_file; /* CA certificate file */
44extern uschar *eldap_cert_file; /* Certificate file */
45extern uschar *eldap_cert_key; /* Certificate key file */
46extern uschar *eldap_cipher_suite; /* Allowed cipher suite */
059ec3d9 47extern uschar *eldap_default_servers; /* List of default servers */
bc19a55b
PP
48extern uschar *eldap_require_cert; /* Peer certificate checking strategy */
49extern BOOL eldap_start_tls; /* Use STARTTLS */
059ec3d9
PH
50extern int eldap_version; /* LDAP version */
51#endif
52
53#ifdef LOOKUP_MYSQL
54extern uschar *mysql_servers; /* List of servers and connect info */
55#endif
56
57#ifdef LOOKUP_ORACLE
58extern uschar *oracle_servers; /* List of servers and connect info */
59#endif
60
61#ifdef LOOKUP_PGSQL
62extern uschar *pgsql_servers; /* List of servers and connect info */
63#endif
64
9bdd29ad
TL
65#ifdef EXPERIMENTAL_REDIS
66extern uschar *redis_servers; /* List of servers and connect info */
67#endif
68
31480e42
PH
69#ifdef LOOKUP_SQLITE
70extern int sqlite_lock_timeout; /* Internal lock waiting timeout */
71#endif
72
059ec3d9
PH
73#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
74extern BOOL move_frozen_messages; /* Get them out of the normal directory */
75#endif
76
77/* These variables are outside the #ifdef because it keeps the code less
78cluttered in several places (e.g. during logging) if we can always refer to
79them. Also, the tls_ variables are now always visible. */
80
817d9f57
JH
81typedef struct {
82 int active; /* fd/socket when in a TLS session */
83 int bits; /* bits used in TLS session */
84 BOOL certificate_verified; /* Client certificate verified */
85 uschar *cipher; /* Cipher used */
86 BOOL on_connect; /* For older MTAs that don't STARTTLS */
87 uschar *on_connect_ports; /* Ports always tls-on-connect */
88 uschar *peerdn; /* DN from peer */
817d9f57 89 uschar *sni; /* Server Name Indication */
817d9f57
JH
90} tls_support;
91extern tls_support tls_in;
92extern tls_support tls_out;
059ec3d9
PH
93
94#ifdef SUPPORT_TLS
e6060e2c 95extern BOOL gnutls_compat_mode; /* Less security, more compatibility */
2519e60d 96extern BOOL gnutls_allow_auto_pkcs11; /* Let GnuTLS autoload PKCS11 modules */
83da1223
PH
97extern uschar *gnutls_require_mac; /* So some can be avoided */
98extern uschar *gnutls_require_kx; /* So some can be avoided */
99extern uschar *gnutls_require_proto; /* So some can be avoided */
77bb000f 100extern uschar *openssl_options; /* OpenSSL compatibility options */
059ec3d9
PH
101extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
102extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
103extern uschar *tls_certificate; /* Certificate file */
44bbabb5 104extern uschar *tls_channelbinding_b64; /* string of base64 channel binding */
059ec3d9 105extern uschar *tls_crl; /* CRL File */
3375e053 106extern int tls_dh_max_bits; /* don't accept higher lib suggestions */
059ec3d9 107extern uschar *tls_dhparam; /* DH param file */
3f7eeb86
PP
108#if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
109extern uschar *tls_ocsp_file; /* OCSP stapling proof file */
110#endif
059ec3d9
PH
111extern BOOL tls_offered; /* Server offered TLS */
112extern uschar *tls_privatekey; /* Private key file */
113extern BOOL tls_remember_esmtp; /* For YAEB */
114extern uschar *tls_require_ciphers; /* So some can be avoided */
115extern uschar *tls_try_verify_hosts; /* Optional client verification */
116extern uschar *tls_verify_certificates;/* Path for certificates to check */
117extern uschar *tls_verify_hosts; /* Mandatory client verification */
118#endif
119
120
121/* Input-reading functions for messages, so we can use special ones for
122incoming TCP/IP. */
123
124extern int (*receive_getc)(void);
125extern int (*receive_ungetc)(int);
126extern int (*receive_feof)(void);
127extern int (*receive_ferror)(void);
58eb016e 128extern BOOL (*receive_smtp_buffered)(void);
059ec3d9
PH
129
130
131/* For clearing, saving, restoring address expansion variables. We have to have
132the size of this vector set explicitly, because it is referenced from more than
133one module. */
134
135extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
136
137/* General global variables */
138
139extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
3c0a92dc 140extern int body_8bitmime; /* sender declared BODY= ; 7=7BIT, 8=8BITMIME */
71fafd95 141extern header_line *acl_added_headers; /* Headers added by an ACL */
059ec3d9 142extern tree_node *acl_anchor; /* Tree of named ACLs */
525239c1
JH
143extern uschar *acl_arg[9]; /* Argument to ACL call */
144extern int acl_narg; /* Number of arguments to ACL call */
059ec3d9 145extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
54cdb463
PH
146#ifdef WITH_CONTENT_SCAN
147extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */
148#endif
45b91596 149extern uschar *acl_not_smtp_start; /* ACL run at the beginning of a non-SMTP session */
e7568d51 150extern uschar *acl_removed_headers; /* Headers deleted by an ACL */
059ec3d9
PH
151extern uschar *acl_smtp_auth; /* ACL run for AUTH */
152extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
153extern uschar *acl_smtp_data; /* ACL run after DATA received */
fd98a5c6
JH
154#ifdef EXPERIMENTAL_PRDR
155extern uschar *acl_smtp_data_prdr; /* ACL run after DATA received if in PRDR mode*/
156const extern pcre *regex_PRDR; /* For recognizing PRDR settings */
157#endif
80a47a2c
TK
158#ifndef DISABLE_DKIM
159extern uschar *acl_smtp_dkim; /* ACL run for DKIM signatures / domains */
160#endif
059ec3d9
PH
161extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
162extern uschar *acl_smtp_expn; /* ACL run for EXPN */
163extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
164extern uschar *acl_smtp_mail; /* ACL run for MAIL */
165extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
8523533c
TK
166#ifdef WITH_CONTENT_SCAN
167extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
168#endif
8f128379 169extern uschar *acl_smtp_notquit; /* ACL run for disconnects */
059ec3d9
PH
170extern uschar *acl_smtp_predata; /* ACL run for DATA command */
171extern uschar *acl_smtp_quit; /* ACL run for QUIT */
172extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
173extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
174extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
175extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
38a0a95f
PH
176extern tree_node *acl_var_c; /* ACL connection variables */
177extern tree_node *acl_var_m; /* ACL messsage variables */
059ec3d9 178extern uschar *acl_verify_message; /* User message for verify failure */
059ec3d9 179extern string_item *acl_warn_logged; /* Logged lines */
a5bd321b 180extern uschar *acl_wherecodes[]; /* Response codes for ACL fails */
059ec3d9 181extern uschar *acl_wherenames[]; /* Names for messages */
69358f02
PH
182extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
183extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
059ec3d9
PH
184extern address_item *addr_duplicate; /* Duplicate address list */
185extern address_item address_defaults; /* Default data for address item */
186extern uschar *address_file; /* Name of file when delivering to one */
187extern uschar *address_pipe; /* Pipe command when delivering to one */
188extern BOOL address_test_mode; /* True for -bt */
189extern tree_node *addresslist_anchor; /* Tree of defined address lists */
190extern int addresslist_count; /* Number defined */
191extern gid_t *admin_groups; /* List of admin groups */
192extern BOOL admin_user; /* True if caller can do admin */
c46782ef 193extern BOOL allow_auth_unadvertised;/* As it says */
059ec3d9
PH
194extern BOOL allow_domain_literals; /* As it says */
195extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
196extern BOOL allow_unqualified_recipient; /* As it says */
197extern BOOL allow_unqualified_sender; /* Ditto */
198extern BOOL allow_utf8_domains; /* For experimenting */
2d07a215 199extern uschar *authenticated_fail_id; /* ID that failed authentication */
059ec3d9
PH
200extern uschar *authenticated_id; /* ID that was authenticated */
201extern uschar *authenticated_sender; /* From AUTH on MAIL */
202extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
203extern uschar *auth_advertise_hosts; /* Only advertise to these */
204extern auth_info auths_available[]; /* Vector of available auth mechanisms */
205extern auth_instance *auths; /* Chain of instantiated auths */
206extern auth_instance auth_defaults; /* Default values */
207extern uschar *auth_defer_msg; /* Error message for log */
208extern uschar *auth_defer_user_msg; /* Error message for user */
f78eb7c6 209extern uschar *auth_vars[]; /* $authn variables */
059ec3d9 210extern int auto_thaw; /* Auto-thaw interval */
8523533c 211#ifdef WITH_CONTENT_SCAN
9e949f00 212extern BOOL av_failed; /* TRUE if the AV process failed */
8523533c
TK
213extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
214#endif
059ec3d9
PH
215
216extern BOOL background_daemon; /* Set FALSE to keep in foreground */
217extern uschar *base62_chars; /* Table of base-62 characters */
218extern uschar *bi_command; /* Command for -bi option */
219extern uschar *big_buffer; /* Used for various temp things */
220extern int big_buffer_size; /* Current size (can expand) */
8523533c
TK
221#ifdef EXPERIMENTAL_BRIGHTMAIL
222extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
223extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
224extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
225extern uschar *bmi_config_file; /* Brightmail config file */
226extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
227extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
228extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
229#endif
059ec3d9
PH
230extern uschar *bounce_message_file; /* Template file */
231extern uschar *bounce_message_text; /* One-liner */
232extern uschar *bounce_recipient; /* When writing an errmsg */
233extern BOOL bounce_return_body; /* Include body in returned message */
234extern BOOL bounce_return_message; /* Include message in bounce */
235extern int bounce_return_size_limit; /* Max amount to return */
236extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
237extern int bsmtp_transaction_linecount; /* Start of last transaction */
238
239extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
240extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
241extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
242extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
243extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
244extern uschar *check_dns_names_pattern;/* Regex for syntax check */
245extern int check_log_inodes; /* Minimum for message acceptance */
246extern int check_log_space; /* Minimum for message acceptance */
a0d6ba8a 247extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */
059ec3d9
PH
248extern int check_spool_inodes; /* Minimum for message acceptance */
249extern int check_spool_space; /* Minimum for message acceptance */
c8e2fc1e
JH
250extern uschar *client_authenticator; /* Authenticator name used for smtp delivery */
251extern uschar *client_authenticated_id; /* "login" name used for SMTP AUTH */
252extern uschar *client_authenticated_sender; /* AUTH option to SMTP MAIL FROM (not yet used) */
059ec3d9
PH
253extern int clmacro_count; /* Number of command line macros */
254extern uschar *clmacros[]; /* Copy of them, for re-exec */
255extern int connection_max_messages;/* Max down one SMTP connection */
256extern BOOL config_changed; /* True if -C used */
257extern FILE *config_file; /* Configuration file */
258extern uschar *config_filename; /* Configuration file name */
35edf2ff
PH
259#ifdef CONFIGURE_GROUP
260extern gid_t config_gid; /* Additional group owner */
261#endif
059ec3d9
PH
262extern int config_lineno; /* Line number */
263extern uschar *config_main_filelist; /* List of possible config files */
264extern uschar *config_main_filename; /* File name actually used */
265#ifdef CONFIGURE_OWNER
266extern uid_t config_uid; /* Additional owner */
267#endif
268extern uschar *continue_hostname; /* Host for continued delivery */
269extern uschar *continue_host_address; /* IP address for ditto */
270extern BOOL continue_more; /* Flag more addresses waiting */
271extern int continue_sequence; /* Sequence num for continued delivery */
272extern uschar *continue_transport; /* Transport for continued delivery */
273
e5a9dba6 274extern uschar *csa_status; /* Client SMTP Authorization result */
e4bdf652
JH
275extern BOOL cutthrough_delivery; /* Deliver in foreground */
276extern int cutthrough_fd; /* Connection for ditto */
e5a9dba6 277
059ec3d9
PH
278extern BOOL daemon_listen; /* True if listening required */
279extern uschar *daemon_smtp_port; /* Can be a list of ports */
4aee0225
PH
280extern int daemon_startup_retries; /* Number of times to retry */
281extern int daemon_startup_sleep; /* Sleep between retries */
6a8f9482
TK
282
283#ifdef EXPERIMENTAL_DCC
284extern BOOL dcc_direct_add_header; /* directly add header */
285extern uschar *dcc_header; /* dcc header */
286extern uschar *dcc_result; /* dcc result */
287extern uschar *dccifd_address; /* address of the dccifd daemon */
288extern uschar *dccifd_options; /* options for the dccifd daemon */
289#endif
290
3d235903 291extern BOOL debug_daemon; /* Debug the daemon process only */
059ec3d9
PH
292extern int debug_fd; /* The fd for debug_file */
293extern FILE *debug_file; /* Where to write debugging info */
294extern bit_table debug_options[]; /* Table of debug options */
295extern int debug_options_count; /* Size of table */
296extern int delay_warning[]; /* Times between warnings */
297extern uschar *delay_warning_condition; /* Condition string for warnings */
298extern BOOL delivery_date_remove; /* Remove delivery-date headers */
299
300extern uschar *deliver_address_data; /* Arbitrary data for an address */
301extern int deliver_datafile; /* FD for data part of message */
302extern uschar *deliver_domain; /* The local domain for delivery */
303extern uschar *deliver_domain_data; /* From domain lookup */
304extern uschar *deliver_domain_orig; /* The original local domain for delivery */
305extern uschar *deliver_domain_parent; /* The parent domain for delivery */
306extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
307extern BOOL deliver_firsttime; /* True for first delivery attempt */
308extern BOOL deliver_force; /* TRUE if delivery was forced */
309extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
310extern int deliver_frozen_at; /* Time of freezing */
311extern uschar *deliver_home; /* Home directory for pipes */
312extern uschar *deliver_host; /* (First) host for routed local deliveries */
313 /* Remote host for filter */
314extern uschar *deliver_host_address; /* Address for remote delivery filter */
315extern uschar *deliver_in_buffer; /* Buffer for copying file */
316extern ino_t deliver_inode; /* Inode for appendfile */
317extern uschar *deliver_localpart; /* The local part for delivery */
318extern uschar *deliver_localpart_data; /* From local part lookup */
319extern uschar *deliver_localpart_orig; /* The original local part for delivery */
320extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
321extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
322extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
323extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
324extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
325extern uschar *deliver_out_buffer; /* Buffer for copying file */
326extern int deliver_queue_load_max; /* Different value for queue running */
327extern address_item *deliver_recipients; /* Current set of addresses */
328extern uschar *deliver_selectstring; /* For selecting by recipient */
329extern BOOL deliver_selectstring_regex; /* String is regex */
330extern uschar *deliver_selectstring_sender; /* For selecting by sender */
331extern BOOL deliver_selectstring_sender_regex; /* String is regex */
8523533c
TK
332#ifdef WITH_OLD_DEMIME
333extern int demime_errorlevel; /* Severity of MIME error */
334extern int demime_ok; /* Nonzero if message has been demimed */
335extern uschar *demime_reason; /* Reason for broken MIME container */
336#endif
4c590bd1 337extern BOOL disable_callout_flush; /* Don't flush before callouts */
047bdd8c 338extern BOOL disable_delay_flush; /* Don't flush before "delay" in ACL */
54fc8428
PH
339#ifdef ENABLE_DISABLE_FSYNC
340extern BOOL disable_fsync; /* Not for normal use */
341#endif
7e66e54d 342extern BOOL disable_ipv6; /* Don't do any IPv6 things */
059ec3d9
PH
343extern BOOL disable_logging; /* Disables log writing when TRUE */
344
80a47a2c 345#ifndef DISABLE_DKIM
2df588c9 346extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */
9e5d6b55 347extern uschar *dkim_signers; /* Expansion variable, holds colon-separated list of domains and identities that have signed a message */
80a47a2c
TK
348extern uschar *dkim_signing_domain; /* Expansion variable, domain used for signing a message. */
349extern uschar *dkim_signing_selector; /* Expansion variable, selector used for signing a message. */
350extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */
351extern BOOL dkim_collect_input; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */
352extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */
f7572e5a 353#endif
4840604e 354#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 355extern BOOL dmarc_has_been_checked; /* Global variable to check if test has been called yet */
4840604e 356extern uschar *dmarc_ar_header; /* Expansion variable, suggested header for dmarc auth results */
8c8b8274 357extern uschar *dmarc_domain_policy; /* Expansion for declared policy of used domain */
4840604e
TL
358extern uschar *dmarc_forensic_sender; /* Set sender address for forensic reports */
359extern uschar *dmarc_history_file; /* Expansion variable, file to store dmarc results */
360extern uschar *dmarc_status; /* Expansion variable, one word value */
361extern uschar *dmarc_status_text; /* Expansion variable, human readable value */
362extern uschar *dmarc_tld_file; /* Mozilla TLDs text file */
363extern uschar *dmarc_used_domain; /* Expansion variable, domain libopendmarc chose for DMARC policy lookup */
364extern BOOL dmarc_disable_verify; /* Set via ACL control statement. When set, DMARC verification is disabled for the current message */
365extern BOOL dmarc_enable_forensic; /* Set via ACL control statement. When set, DMARC forensic reports are enabled for the current message */
366#endif
f7572e5a 367
059ec3d9 368extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
e5a9dba6
PH
369extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */
370extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */
059ec3d9
PH
371extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
372extern int dns_retrans; /* Retransmission time setting */
373extern int dns_retry; /* Number of retries */
0fbd9bff 374extern int dns_dnssec_ok; /* When constructing DNS query, set DO flag */
e97d1f08 375extern int dns_use_edns0; /* Coerce EDNS0 support on/off in resolver. */
059ec3d9 376extern uschar *dnslist_domain; /* DNS (black) list domain */
93655c46 377extern uschar *dnslist_matched; /* DNS (black) list matched key */
059ec3d9
PH
378extern uschar *dnslist_text; /* DNS (black) list text message */
379extern uschar *dnslist_value; /* DNS (black) list IP address */
380extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
381extern int domainlist_count; /* Number defined */
382extern BOOL dont_deliver; /* TRUE for -N option */
383extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
384
385/* This option is now a no-opt, retained for compatibility */
386extern BOOL drop_cr; /* For broken local MUAs */
387
0e22dfd1
PH
388extern uschar *dsn_from; /* From: string for DSNs */
389
059ec3d9
PH
390extern BOOL enable_dollar_recipients; /* Make $recipients available */
391extern int envelope_to_remove; /* Remove envelope_to_headers */
392extern int errno_quota; /* Quota errno in this OS */
393extern int error_handling; /* Error handling style */
394extern uschar *errors_copy; /* For taking copies of errors */
395extern uschar *errors_reply_to; /* Reply-to for error messages */
396extern int errors_sender_rc; /* Return after message to sender*/
397extern gid_t exim_gid; /* To be used with exim_uid */
398extern BOOL exim_gid_set; /* TRUE if exim_gid set */
399extern uschar *exim_path; /* Path to exec exim */
98a90c36 400extern const uschar *exim_sieve_extension_list[]; /* list of sieve extensions */
059ec3d9
PH
401extern uid_t exim_uid; /* Non-root uid for exim */
402extern BOOL exim_uid_set; /* TRUE if exim_uid set */
403extern int expand_forbid; /* RDO flags for forbidding things */
404extern int expand_nlength[]; /* Lengths of numbered strings */
405extern int expand_nmax; /* Max numerical value */
406extern uschar *expand_nstring[]; /* Numbered strings */
407extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
408extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
409extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
410
29aba418
TF
411extern int fake_response; /* Fake FAIL or DEFER response to data */
412extern uschar *fake_response_text; /* User defined message for the above. Default is in globals.c. */
059ec3d9
PH
413extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
414extern BOOL filter_running; /* TRUE while running a filter */
415extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
f05da2e8
PH
416extern int filter_test; /* Filter test type */
417extern uschar *filter_test_sfile; /* System filter test file */
418extern uschar *filter_test_ufile; /* User filter test file */
059ec3d9
PH
419extern uschar *filter_thisaddress; /* For address looping */
420extern int finduser_retries; /* Retry count for getpwnam() */
421extern uid_t fixed_never_users[]; /* Can't be overridden */
8523533c
TK
422#ifdef WITH_OLD_DEMIME
423extern uschar *found_extension; /* demime acl condition: file extension found */
424#endif
059ec3d9 425extern uschar *freeze_tell; /* Message on (some) freezings */
6a3f1455 426extern uschar *freeze_tell_config; /* The configured setting */
059ec3d9
PH
427extern uschar *fudged_queue_times; /* For use in test harness */
428
429extern uschar *gecos_name; /* To be expanded when pattern matches */
430extern uschar *gecos_pattern; /* Pattern to match */
431extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
432
433extern int header_insert_maxlen; /* Max for inserting headers */
434extern int header_maxsize; /* Max total length for header */
435extern int header_line_maxsize; /* Max for an individual line */
436extern header_name header_names[]; /* Table of header names */
437extern int header_names_size; /* Number of entries */
438extern BOOL header_rewritten; /* TRUE if header changed by router */
439extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
440extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
441extern uschar *helo_lookup_domains; /* If these given, lookup host name */
442extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
443extern BOOL helo_verified; /* True if HELO verified */
d7b47fd0 444extern BOOL helo_verify_failed; /* True if attempt failed */
059ec3d9 445extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
1ba28e2b 446extern const uschar *hex_digits; /* Used in several places */
059ec3d9
PH
447extern uschar *hold_domains; /* Hold up deliveries to these */
448extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
449extern BOOL host_checking_callout; /* TRUE if real callout wanted */
450extern uschar *host_data; /* Obtained from lookup in ACL */
451extern uschar *host_lookup; /* For which IP addresses are always looked up */
b08b24c8 452extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
059ec3d9
PH
453extern BOOL host_lookup_failed; /* TRUE if lookup failed */
454extern uschar *host_lookup_order; /* Order of host lookup types */
455extern uschar *host_lookup_msg; /* Text for why it failed */
456extern int host_number; /* For sharing spools */
457extern uschar *host_number_string; /* For expanding */
458extern uschar *host_reject_connection; /* Reject these hosts */
459extern tree_node *hostlist_anchor; /* Tree of defined host lists */
460extern int hostlist_count; /* Number defined */
461extern uschar *hosts_connection_nolog; /* Limits the logging option */
462extern uschar *hosts_treat_as_local; /* For routing */
463
464extern int ignore_bounce_errors_after; /* Keep them for this time. */
465extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
466extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
9ee44efb
PP
467extern BOOL inetd_wait_mode; /* Whether running in inetd wait mode */
468extern int inetd_wait_timeout; /* Timeout for inetd wait mode */
059ec3d9 469extern BOOL is_inetd; /* True for inetd calls */
0ce9abe6 470extern uschar *iterate_item; /* Item from iterate list */
059ec3d9
PH
471
472extern int journal_fd; /* Fd for journal file */
473
474extern int keep_malformed; /* Time to keep malformed messages */
475
476extern uschar *eldap_dn; /* Where LDAP DNs are left */
477extern int load_average; /* Most recently read load average */
478extern BOOL local_error_message; /* True if handling one of these */
69358f02 479extern BOOL local_from_check; /* For adding Sender: (global value) */
059ec3d9
PH
480extern uschar *local_from_prefix; /* Permitted prefixes */
481extern uschar *local_from_suffix; /* Permitted suffixes */
482extern uschar *local_interfaces; /* For forcing specific interfaces */
483extern uschar *local_scan_data; /* Text returned by local_scan() */
484extern optionlist local_scan_options[];/* Option list for local_scan() */
485extern int local_scan_options_count; /* Size of the list */
486extern int local_scan_timeout; /* Timeout for local_scan() */
487extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
488extern gid_t local_user_gid; /* As it says; may be set in routers */
489extern uid_t local_user_uid; /* As it says; may be set in routers */
490extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
491extern int localpartlist_count; /* Number defined */
492extern uschar *log_buffer; /* For constructing log entries */
493extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */
494extern uschar *log_file_path; /* If unset, use default */
495extern bit_table log_options[]; /* Table of options */
496extern int log_options_count; /* Size of table */
6ea85e9a 497extern int log_reject_target; /* Target log for ACL rejections */
059ec3d9
PH
498extern uschar *log_selector_string; /* As supplied in the config */
499extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
500extern BOOL log_testing_mode; /* TRUE in various testing modes */
501extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
6ea85e9a 502extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
059ec3d9 503extern uschar *login_sender_address; /* The actual sender address */
e6d225ae 504extern lookup_info **lookup_list; /* Array of pointers to available lookups */
059ec3d9
PH
505extern int lookup_list_count; /* Number of entries in the list */
506extern int lookup_open_max; /* Max lookup files to cache */
507extern uschar *lookup_value; /* Value looked up from file */
508
509extern macro_item *macros; /* Configuration macros */
510extern uschar *mailstore_basename; /* For mailstore deliveries */
8523533c
TK
511#ifdef WITH_CONTENT_SCAN
512extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
513#endif
d677b2f2 514extern int max_received_linelength;/* What it says */
059ec3d9
PH
515extern int max_username_length; /* For systems with broken getpwnam() */
516extern int message_age; /* In seconds */
517extern uschar *message_body; /* Start of message body for filter */
518extern uschar *message_body_end; /* End of message body for filter */
ddea74fa 519extern BOOL message_body_newlines; /* FALSE => remove newlines */
059ec3d9
PH
520extern int message_body_size; /* Sic */
521extern int message_body_visible; /* Amount visible in message_body */
522extern int message_ended; /* State of message reading and how ended */
523extern uschar *message_headers; /* When built */
524extern uschar message_id_option[]; /* -E<message-id> for use as option */
525extern uschar *message_id_external; /* External form of following */
526extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
527extern uschar *message_id_text; /* Expanded to form message_id */
528extern struct timeval message_id_tv; /* Time used to create last message_id */
529extern int message_linecount; /* As it says */
530extern BOOL message_logs; /* TRUE to write message logs */
531extern int message_size; /* Size of message */
532extern uschar *message_size_limit; /* As it says */
533extern uschar message_subdir[]; /* Subdirectory for messages */
534extern uschar *message_reference; /* Reference for error messages */
8523533c
TK
535
536/* MIME ACL expandables */
537#ifdef WITH_CONTENT_SCAN
538extern int mime_anomaly_level;
1ba28e2b 539extern const uschar *mime_anomaly_text;
8523533c
TK
540extern uschar *mime_boundary;
541extern uschar *mime_charset;
542extern uschar *mime_content_description;
543extern uschar *mime_content_disposition;
544extern uschar *mime_content_id;
545extern unsigned int mime_content_size;
546extern uschar *mime_content_transfer_encoding;
547extern uschar *mime_content_type;
548extern uschar *mime_decoded_filename;
549extern uschar *mime_filename;
550extern int mime_is_multipart;
551extern int mime_is_coverletter;
552extern int mime_is_rfc822;
553extern int mime_part_count;
554#endif
555
059ec3d9
PH
556extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
557
558extern uid_t *never_users; /* List of uids never to be used */
8523533c
TK
559#ifdef WITH_CONTENT_SCAN
560extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
561#endif
059ec3d9
PH
562extern BOOL no_multiline_responses; /* For broken clients */
563
564extern optionlist optionlist_auths[]; /* These option lists are made */
565extern int optionlist_auths_size; /* global so that readconf can */
566extern optionlist optionlist_routers[]; /* see them for printing out */
567extern int optionlist_routers_size; /* the options. */
568extern optionlist optionlist_transports[];
569extern int optionlist_transports_size;
570
571extern uid_t original_euid; /* Original effective uid */
572extern gid_t originator_gid; /* Gid of whoever wrote spool file */
573extern uschar *originator_login; /* Login of same */
574extern uschar *originator_name; /* Full name of same */
575extern uid_t originator_uid; /* Uid of ditto */
576extern uschar *override_local_interfaces; /* Value of -oX argument */
577extern uschar *override_pid_file_path; /* Value of -oP argument */
578
579extern BOOL parse_allow_group; /* Allow group syntax */
580extern BOOL parse_found_group; /* In the middle of a group */
581extern uschar *percent_hack_domains; /* Local domains for which '% operates */
582extern uschar *pid_file_path; /* For writing daemon pids */
583extern uschar *pipelining_advertise_hosts; /* As it says */
cf8b11a5 584extern BOOL pipelining_enable; /* As it says */
fd98a5c6
JH
585#ifdef EXPERIMENTAL_PRDR
586extern BOOL prdr_enable; /* As it says */
587extern BOOL prdr_requested; /* Connecting mail server wants PRDR */
588#endif
059ec3d9
PH
589extern BOOL preserve_message_logs; /* Save msglog files */
590extern uschar *primary_hostname; /* Primary name of this computer */
591extern BOOL print_topbitchars; /* Topbit chars are printing chars */
592extern uschar process_info[]; /* For SIGUSR1 output */
921b12ca 593extern int process_info_len;
059ec3d9
PH
594extern uschar *process_log_path; /* Alternate path */
595extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
a3c86431
TL
596
597#ifdef EXPERIMENTAL_PROXY
eb57651e
TL
598extern uschar *proxy_host_address; /* IP of host being proxied */
599extern int proxy_host_port; /* Port of host being proxied */
a3c86431
TL
600extern uschar *proxy_required_hosts; /* Hostlist which (require) use proxy protocol */
601extern BOOL proxy_session; /* TRUE if receiving mail from valid proxy */
602extern BOOL proxy_session_failed; /* TRUE if required proxy negotiation failed */
eb57651e
TL
603extern uschar *proxy_target_address; /* IP of proxy server inbound */
604extern int proxy_target_port; /* Port of proxy server inbound */
a3c86431
TL
605#endif
606
fffda43a
TK
607extern uschar *prvscheck_address; /* Set during prvscheck expansion item */
608extern uschar *prvscheck_keynum; /* Set during prvscheck expansion item */
609extern uschar *prvscheck_result; /* Set during prvscheck expansion item */
059ec3d9
PH
610
611extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
612extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
613extern BOOL queue_2stage; /* Run queue in 2-stage manner */
614extern uschar *queue_domains; /* Queue these domains */
615extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
616extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
617extern BOOL queue_run_force; /* TRUE to force during queue run */
618extern BOOL queue_run_local; /* Local deliveries only in queue run */
619extern BOOL queue_running; /* TRUE for queue running process and */
620 /* immediate children */
621extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
622extern int queue_run_pipe; /* Pipe for synchronizing */
623extern int queue_interval; /* Queue running interval */
624extern BOOL queue_only; /* TRUE to disable immediate delivery */
625extern int queue_only_load; /* Max load before auto-queue */
8669f003 626extern BOOL queue_only_load_latch; /* Latch queue_only_load TRUE */
059ec3d9
PH
627extern uschar *queue_only_file; /* Queue if file exists/not-exists */
628extern BOOL queue_only_override; /* Allow override from command line */
629extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
630extern BOOL queue_run_in_order; /* As opposed to random */
631extern int queue_run_max; /* Max queue runners */
632extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
633extern uschar *queue_smtp_domains; /* Ditto, for these domains */
634
635extern unsigned int random_seed; /* Seed for random numbers */
fe0dab11 636extern tree_node *ratelimiters_cmd; /* Results of command ratelimit checks */
870f6ba8
TF
637extern tree_node *ratelimiters_conn; /* Results of connection ratelimit checks */
638extern tree_node *ratelimiters_mail; /* Results of per-mail ratelimit checks */
059ec3d9
PH
639extern uschar *raw_active_hostname; /* Pre-expansion */
640extern uschar *raw_sender; /* Before rewriting */
641extern uschar **raw_recipients; /* Before rewriting */
642extern int raw_recipients_count;
643extern int rcpt_count; /* Count of RCPT commands in a message */
644extern int rcpt_fail_count; /* Those that got 5xx */
645extern int rcpt_defer_count; /* Those that got 4xx */
646extern gid_t real_gid; /* Real gid */
647extern uid_t real_uid; /* Real user running program */
648extern BOOL really_exim; /* FALSE in utilities */
649extern BOOL receive_call_bombout; /* Flag for crashing log */
650extern int receive_linecount; /* Mainly for BSMTP errors */
651extern int receive_messagecount; /* Mainly for BSMTP errors */
652extern int receive_timeout; /* For non-SMTP acceptance */
653extern int received_count; /* Count of Received: headers */
654extern uschar *received_for; /* For "for" field */
655extern uschar *received_header_text; /* Definition of Received: header */
656extern int received_headers_max; /* Max count of Received: headers */
657extern int received_time; /* Time the message was received */
658extern uschar *recipient_data; /* lookup data for recipients */
659extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
2c7db3f5 660extern uschar *recipient_verify_failure; /* What went wrong */
059ec3d9
PH
661extern BOOL recipients_discarded; /* By an ACL */
662extern int recipients_list_max; /* Maximum number fitting in list */
663extern int recipients_max; /* Max permitted */
664extern int recipients_max_reject; /* If TRUE, reject whole message */
665extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
666extern const pcre *regex_check_dns_names; /* For DNS name checking */
667extern const pcre *regex_From; /* For recognizing "From_" lines */
f1513293 668extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
059ec3d9
PH
669extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
670extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
a5bd321b 671extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */
059ec3d9 672extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
a7cbbf50
PP
673#ifdef WHITELIST_D_MACROS
674extern const pcre *regex_whitelisted_macro; /* For -D macro values */
675#endif
8523533c
TK
676#ifdef WITH_CONTENT_SCAN
677extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
678#endif
059ec3d9
PH
679extern int remote_delivery_count; /* Number of remote addresses */
680extern int remote_max_parallel; /* Maximum parallel delivery */
681extern uschar *remote_sort_domains; /* Remote domain sorting order */
682extern retry_config *retries; /* Chain of retry config information */
683extern int retry_data_expire; /* When to expire retry data */
684extern int retry_interval_max; /* Absolute maximum */
685extern int retry_maximum_timeout; /* The maximum timeout */
686extern uschar *return_path; /* Return path for a message */
687extern BOOL return_path_remove; /* Remove return-path headers */
688extern int rewrite_existflags; /* Indicate which headers have rewrites */
689extern uschar *rfc1413_hosts; /* RFC hosts */
690extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
691/* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
c1d94452 692extern uid_t root_gid; /* The gid for root */
059ec3d9
PH
693extern uid_t root_uid; /* The uid for root */
694extern router_info routers_available[];/* Vector of available routers */
695extern router_instance *routers; /* Chain of instantiated routers */
696extern router_instance router_defaults;/* Default values */
181d9bf8 697extern uschar *router_name; /* Name of router last started */
059ec3d9
PH
698extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
699extern ip_address_item *running_interfaces; /* Host's running interfaces */
700extern uschar *running_status; /* Flag string for testing */
701extern int runrc; /* rc from ${run} */
702
703extern uschar *search_error_message; /* Details of lookup problem */
704extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
705extern uschar *self_hostname; /* Self host after routing->directors */
706extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
2a3eea10 707extern uschar *sender_address_data; /* address_data from sender verify */
059ec3d9
PH
708extern BOOL sender_address_forced; /* Set by -f */
709extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
710extern uschar *sender_data; /* lookup result for senders */
711extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
712extern uschar *sender_fullhost; /* Sender host name + address */
713extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
714extern uschar **sender_host_aliases; /* Points to list of alias names */
715extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
1f4a55da 716extern BOOL sender_host_dnssec; /* true if sender_host_name verified in DNSSEC */
059ec3d9
PH
717extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
718extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
719extern uschar *sender_ident; /* Sender identity via RFC 1413 */
720extern BOOL sender_local; /* TRUE for local senders */
2fe1a124 721extern BOOL sender_name_forced; /* Set by -F */
870f6ba8
TF
722extern uschar *sender_rate; /* Sender rate computed by ACL */
723extern uschar *sender_rate_limit; /* Configured rate limit */
724extern uschar *sender_rate_period; /* Configured smoothing period */
059ec3d9
PH
725extern uschar *sender_rcvhost; /* Host data for Received: */
726extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
727extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
2c7db3f5 728extern uschar *sender_verify_failure; /* What went wrong */
059ec3d9
PH
729extern address_item *sender_verified_list; /* Saved chain of sender verifies */
730extern address_item *sender_verified_failed; /* The one that caused denial */
41c7c167
PH
731extern uschar *sending_ip_address; /* Address of outgoing (SMTP) interface */
732extern int sending_port; /* Port of outgoing interface */
cd59ab18 733extern SIGNAL_BOOL sigalrm_seen; /* Flag for sigalrm_handler */
059ec3d9
PH
734extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
735extern int smtp_accept_count; /* Count of connections */
736extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
737extern int smtp_accept_max; /* Max SMTP connections */
738extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
739extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
740extern int smtp_accept_max_per_connection; /* Max msgs per connection */
741extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
742extern int smtp_accept_queue; /* Queue after so many connections */
743extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
744extern int smtp_accept_reserve; /* Reserve these SMTP connections */
745extern uschar *smtp_active_hostname; /* Hostname for this message */
746extern BOOL smtp_authenticated; /* Sending client has authenticated */
747extern uschar *smtp_banner; /* Banner string (to be expanded) */
748extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
b4ed4da0 749extern int smtp_ch_index; /* Index in smtp_connection_had */
3ee512ff
PH
750extern uschar *smtp_cmd_argument; /* For all SMTP commands */
751extern uschar *smtp_cmd_buffer; /* SMTP command buffer */
b4ed4da0
PH
752extern time_t smtp_connection_start; /* Start time of SMTP connection */
753extern uschar smtp_connection_had[]; /* Recent SMTP commands */
059ec3d9
PH
754extern int smtp_connect_backlog; /* Max backlog permitted */
755extern double smtp_delay_mail; /* Current MAIL delay */
756extern double smtp_delay_rcpt; /* Current RCPT delay */
757extern BOOL smtp_enforce_sync; /* Enforce sync rules */
758extern uschar *smtp_etrn_command; /* Command to run */
759extern BOOL smtp_etrn_serialize; /* Only one at once */
760extern FILE *smtp_in; /* Incoming SMTP input file */
761extern int smtp_load_reserve; /* Only from reserved if load > this */
762extern int smtp_mailcmd_count; /* Count of MAIL commands */
763extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
764extern int smtp_max_unknown_commands; /* As it says */
8f128379 765extern uschar *smtp_notquit_reason; /* Global for disconnect reason */
059ec3d9
PH
766extern FILE *smtp_out; /* Incoming SMTP output file */
767extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
768extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
769extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
770extern uschar *smtp_read_error; /* Message for SMTP input error */
771extern int smtp_receive_timeout; /* Applies to each received line */
772extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
773extern BOOL smtp_return_error_details; /* TRUE to return full info */
774extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
775extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
776extern int smtp_rlm_limit; /* Max delay */
777extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
778extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
779extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
780extern int smtp_rlr_limit; /* Max delay */
781extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
782extern BOOL smtp_use_pipelining; /* Global for passed connections */
783extern BOOL smtp_use_size; /* Global for passed connections */
8523533c
TK
784
785#ifdef WITH_CONTENT_SCAN
786extern uschar *spamd_address; /* address for the spamassassin daemon */
787extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
788extern uschar *spam_report; /* the spamd report (multiline) */
789extern uschar *spam_score; /* the spam score (float) */
790extern uschar *spam_score_int; /* spam_score * 10 (int) */
791#endif
792#ifdef EXPERIMENTAL_SPF
65a7d8c3 793extern uschar *spf_guess; /* spf best-guess record */
8523533c 794extern uschar *spf_header_comment; /* spf header comment */
8fe685ad 795extern uschar *spf_received; /* Received-SPF: header */
8523533c
TK
796extern uschar *spf_result; /* spf result in string form */
797extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
798#endif
059ec3d9
PH
799extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
800extern uschar *spool_directory; /* Name of spool directory */
8523533c
TK
801#ifdef EXPERIMENTAL_SRS
802extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
803extern uschar *srs_db_address; /* SRS db address */
804extern uschar *srs_db_key; /* SRS db key */
384152a6
TK
805extern int srs_hashlength; /* SRS hash length */
806extern int srs_hashmin; /* SRS minimum hash length */
807extern int srs_maxage; /* SRS max age */
8523533c
TK
808extern uschar *srs_orig_sender; /* SRS original sender */
809extern uschar *srs_orig_recipient; /* SRS original recipient */
810extern uschar *srs_recipient; /* SRS recipient */
384152a6 811extern uschar *srs_secrets; /* SRS secrets list */
8523533c 812extern uschar *srs_status; /* SRS staus */
384152a6
TK
813extern BOOL srs_usehash; /* SRS use hash flag */
814extern BOOL srs_usetimestamp; /* SRS use timestamp flag */
8523533c 815#endif
38a0a95f 816extern BOOL strict_acl_vars; /* ACL variables have to be set before being used */
059ec3d9 817extern int string_datestamp_offset;/* After insertion by string_format */
f1e5fef5
PP
818extern int string_datestamp_length;/* After insertion by string_format */
819extern int string_datestamp_type; /* After insertion by string_format */
059ec3d9
PH
820extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
821extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
822extern uschar *submission_domain; /* Domain for submission mode */
823extern BOOL submission_mode; /* Can be forced from ACL */
2fe1a124 824extern uschar *submission_name; /* User name set from ACL */
8800895a 825extern BOOL suppress_local_fixups; /* Can be forced from ACL */
f4ee74ac 826extern BOOL suppress_local_fixups_default; /* former is reset to this; override with -G */
059ec3d9
PH
827extern BOOL synchronous_delivery; /* TRUE if -odi is set */
828extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
829extern int syslog_facility; /* As defined by Syslog.h */
830extern uschar *syslog_processname; /* 'ident' param to openlog() */
831extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
832extern uschar *system_filter; /* Name of system filter file */
833
834extern uschar *system_filter_directory_transport; /* Transports for the */
835extern uschar *system_filter_file_transport; /* system filter */
836extern uschar *system_filter_pipe_transport;
837extern uschar *system_filter_reply_transport;
838
839extern gid_t system_filter_gid; /* Gid for running system filter */
840extern BOOL system_filter_gid_set; /* TRUE if gid set */
841extern uid_t system_filter_uid; /* Uid for running system filter */
842extern BOOL system_filter_uid_set; /* TRUE if uid set */
843extern BOOL system_filtering; /* TRUE when running system filter */
844
845extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
5dc43717
JJ
846#ifdef USE_TCP_WRAPPERS
847extern uschar *tcp_wrappers_daemon_name; /* tcpwrappers daemon lookup name */
848#endif
8669f003 849extern int test_harness_load_avg; /* For use when testing */
059ec3d9
PH
850extern int thismessage_size_limit; /* Limit for this message */
851extern int timeout_frozen_after; /* Max time to keep frozen messages */
852extern BOOL timestamps_utc; /* Use UTC for all times */
d68218c7
JH
853
854#ifdef EXPERIMENTAL_TPDA
855extern int tpda_defer_errno; /* error number set when a remote delivery is deferred with a host error */
856extern uschar *tpda_defer_errstr; /* error string set when a remote delivery is deferred with a host error */
857extern uschar *tpda_delivery_ip; /* IP of host, which has accepted delivery */
858extern int tpda_delivery_port; /* port of host, which has accepted delivery */
859extern uschar *tpda_delivery_fqdn; /* FQDN of host, which has accepted delivery */
860extern uschar *tpda_delivery_local_part;/* local part of address being delivered */
861extern uschar *tpda_delivery_domain; /* domain part of address being delivered */
862extern uschar *tpda_delivery_confirmation; /* SMTP confirmation message */
863#endif
864
181d9bf8 865extern uschar *transport_name; /* Name of transport last started */
059ec3d9 866extern int transport_count; /* Count of bytes transported */
332f5cf3 867extern int transport_newlines; /* Accurate count of number of newline chars transported */
059ec3d9
PH
868extern uschar **transport_filter_argv; /* For on-the-fly filtering */
869extern int transport_filter_timeout; /* Timeout for same */
2e2a30b4 870extern BOOL transport_filter_timed_out; /* True if it did */
059ec3d9
PH
871
872extern transport_info transports_available[]; /* Vector of available transports */
873extern transport_instance *transports; /* Chain of instantiated transports */
874extern transport_instance transport_defaults; /* Default values */
875
876extern int transport_write_timeout;/* Set to time out individual writes */
877
878extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
879extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
880extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
881extern tree_node *tree_unusable; /* Tree of unusable addresses */
882
883extern BOOL trusted_caller; /* Caller is trusted */
e2f5dc15 884extern BOOL trusted_config; /* Configuration file is trusted */
059ec3d9
PH
885extern gid_t *trusted_groups; /* List of trusted groups */
886extern uid_t *trusted_users; /* List of trusted users */
887extern uschar *timezone_string; /* Required timezone setting */
888
889extern uschar *unknown_login; /* To use when login id unknown */
890extern uschar *unknown_username; /* Ditto */
891extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
892extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
893extern uschar *uucp_from_sender; /* For building the sender */
894
895extern uschar *warn_message_file; /* Template for warning messages */
896extern uschar *warnmsg_delay; /* String form of delay time */
897extern uschar *warnmsg_recipients; /* Recipients of warning message */
898extern BOOL write_rejectlog; /* Control of reject logging */
899
900extern uschar *version_copyright; /* Copyright notice */
901extern uschar *version_date; /* Date of compilation */
902extern uschar *version_cnumber; /* Compile number */
903extern uschar *version_string; /* Version string */
904
905extern int warning_count; /* Delay warnings sent for this msg */
906
907/* End of globals.h */