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[exim.git] / src / src / globals.h
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
80fea873 5/* Copyright (c) University of Cambridge 1995 - 2016 */
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 */
2f680c0c 31extern BOOL opt_perl_taintmode; /* Enable taint mode in Perl */
059ec3d9
PH		 32#endif
33
1a46a8c5
PH		 34#ifdef EXPAND_DLFUNC
35extern tree_node *dlobj_anchor; /* Tree of dynamically-loaded objects */
36#endif
37
059ec3d9
PH		 38#ifdef LOOKUP_IBASE
39extern uschar *ibase_servers;
40#endif
41
42#ifdef LOOKUP_LDAP
bc19a55b
PP		 43extern uschar *eldap_ca_cert_dir; /* Directory with CA certificates */
44extern uschar *eldap_ca_cert_file; /* CA certificate file */
45extern uschar *eldap_cert_file; /* Certificate file */
46extern uschar *eldap_cert_key; /* Certificate key file */
47extern uschar *eldap_cipher_suite; /* Allowed cipher suite */
059ec3d9 48extern uschar *eldap_default_servers; /* List of default servers */
bc19a55b
PP		 49extern uschar *eldap_require_cert; /* Peer certificate checking strategy */
50extern BOOL eldap_start_tls; /* Use STARTTLS */
059ec3d9
PH		 51extern int eldap_version; /* LDAP version */
52#endif
53
54#ifdef LOOKUP_MYSQL
55extern uschar *mysql_servers; /* List of servers and connect info */
56#endif
57
58#ifdef LOOKUP_ORACLE
59extern uschar *oracle_servers; /* List of servers and connect info */
60#endif
61
62#ifdef LOOKUP_PGSQL
63extern uschar *pgsql_servers; /* List of servers and connect info */
64#endif
65
de78e2d5 66#ifdef LOOKUP_REDIS
9bdd29ad
TL		 67extern uschar *redis_servers; /* List of servers and connect info */
68#endif
69
31480e42
PH		 70#ifdef LOOKUP_SQLITE
71extern int sqlite_lock_timeout; /* Internal lock waiting timeout */
72#endif
73
059ec3d9
PH		 74#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
75extern BOOL move_frozen_messages; /* Get them out of the normal directory */
76#endif
77
78/* These variables are outside the #ifdef because it keeps the code less
79cluttered in several places (e.g. during logging) if we can always refer to
80them. Also, the tls_ variables are now always visible. */
81
817d9f57
JH		 82typedef struct {
83 int active; /* fd/socket when in a TLS session */
84 int bits; /* bits used in TLS session */
85 BOOL certificate_verified; /* Client certificate verified */
53a7196b
JH		 86#ifdef EXPERIMENTAL_DANE
87 BOOL dane_verified; /* ... via DANE */
594706ea 88 int tlsa_usage; /* TLSA record(s) usage */
53a7196b 89#endif
817d9f57
JH		 90 uschar *cipher; /* Cipher used */
91 BOOL on_connect; /* For older MTAs that don't STARTTLS */
92 uschar *on_connect_ports; /* Ports always tls-on-connect */
9d1c15ef
JH		 93 void *ourcert; /* Certificate we presented, binary */
94 void *peercert; /* Certificate of peer, binary */
817d9f57 95 uschar *peerdn; /* DN from peer */
817d9f57 96 uschar *sni; /* Server Name Indication */
44662487
JH		 97 enum {
98 OCSP_NOT_REQ=0, /* not requested */
99 OCSP_NOT_RESP, /* no response to request */
018058b2
JH		 100 OCSP_VFY_NOT_TRIED, /* response not verified */
101 OCSP_FAILED, /* verify failed */
44662487
JH		 102 OCSP_VFIED /* verified */
103 } ocsp; /* Stapled OCSP status */
817d9f57
JH		 104} tls_support;
105extern tls_support tls_in;
106extern tls_support tls_out;
059ec3d9
PH		 107
108#ifdef SUPPORT_TLS
e6060e2c 109extern BOOL gnutls_compat_mode; /* Less security, more compatibility */
2519e60d 110extern BOOL gnutls_allow_auto_pkcs11; /* Let GnuTLS autoload PKCS11 modules */
77bb000f 111extern uschar *openssl_options; /* OpenSSL compatibility options */
059ec3d9 112extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */
059ec3d9 113extern uschar *tls_certificate; /* Certificate file */
44bbabb5 114extern uschar *tls_channelbinding_b64; /* string of base64 channel binding */
059ec3d9 115extern uschar *tls_crl; /* CRL File */
3375e053 116extern int tls_dh_max_bits; /* don't accept higher lib suggestions */
059ec3d9 117extern uschar *tls_dhparam; /* DH param file */
10ca4f1c 118extern uschar *tls_eccurve; /* EC curve */
23f3dc67 119# ifndef DISABLE_OCSP
3f7eeb86 120extern uschar *tls_ocsp_file; /* OCSP stapling proof file */
23f3dc67 121# endif
059ec3d9
PH		 122extern BOOL tls_offered; /* Server offered TLS */
123extern uschar *tls_privatekey; /* Private key file */
124extern BOOL tls_remember_esmtp; /* For YAEB */
125extern uschar *tls_require_ciphers; /* So some can be avoided */
126extern uschar *tls_try_verify_hosts; /* Optional client verification */
127extern uschar *tls_verify_certificates;/* Path for certificates to check */
128extern uschar *tls_verify_hosts; /* Mandatory client verification */
129#endif
23f3dc67 130extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */
059ec3d9 131
6c1c3d1d
WB		 132extern uschar *dsn_envid; /* DSN envid string */
133extern int dsn_ret; /* DSN ret type*/
134extern const pcre *regex_DSN; /* For recognizing DSN settings */
135extern BOOL smtp_use_dsn; /* Global for passed connections */
136extern uschar *dsn_advertise_hosts; /* host for which TLS is advertised */
059ec3d9
PH		 137
138/* Input-reading functions for messages, so we can use special ones for
139incoming TCP/IP. */
140
141extern int (*receive_getc)(void);
142extern int (*receive_ungetc)(int);
143extern int (*receive_feof)(void);
144extern int (*receive_ferror)(void);
58eb016e 145extern BOOL (*receive_smtp_buffered)(void);
059ec3d9
PH		 146
147
148/* For clearing, saving, restoring address expansion variables. We have to have
149the size of this vector set explicitly, because it is referenced from more than
150one module. */
151
55414b25 152extern const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
059ec3d9
PH		 153
154/* General global variables */
155
156extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
bc3c7bb7 157extern uschar *add_environment; /* List of environment variables to add */
71fafd95 158extern header_line *acl_added_headers; /* Headers added by an ACL */
059ec3d9 159extern tree_node *acl_anchor; /* Tree of named ACLs */
525239c1
JH		 160extern uschar *acl_arg[9]; /* Argument to ACL call */
161extern int acl_narg; /* Number of arguments to ACL call */
059ec3d9 162extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
54cdb463
PH		 163#ifdef WITH_CONTENT_SCAN
164extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */
165#endif
45b91596 166extern uschar *acl_not_smtp_start; /* ACL run at the beginning of a non-SMTP session */
e7568d51 167extern uschar *acl_removed_headers; /* Headers deleted by an ACL */
059ec3d9
PH		 168extern uschar *acl_smtp_auth; /* ACL run for AUTH */
169extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
170extern uschar *acl_smtp_data; /* ACL run after DATA received */
8ccd00b1 171#ifndef DISABLE_PRDR
fd98a5c6
JH		 172extern uschar *acl_smtp_data_prdr; /* ACL run after DATA received if in PRDR mode*/
173const extern pcre *regex_PRDR; /* For recognizing PRDR settings */
174#endif
80a47a2c
TK		 175#ifndef DISABLE_DKIM
176extern uschar *acl_smtp_dkim; /* ACL run for DKIM signatures / domains */
177#endif
059ec3d9
PH		 178extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
179extern uschar *acl_smtp_expn; /* ACL run for EXPN */
180extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
181extern uschar *acl_smtp_mail; /* ACL run for MAIL */
182extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */
8523533c
TK		 183#ifdef WITH_CONTENT_SCAN
184extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
185#endif
8f128379 186extern uschar *acl_smtp_notquit; /* ACL run for disconnects */
059ec3d9
PH		 187extern uschar *acl_smtp_predata; /* ACL run for DATA command */
188extern uschar *acl_smtp_quit; /* ACL run for QUIT */
189extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */
190extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */
191extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */
192extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */
38a0a95f 193extern tree_node *acl_var_c; /* ACL connection variables */
85ffcba6 194extern tree_node *acl_var_m; /* ACL message variables */
059ec3d9 195extern uschar *acl_verify_message; /* User message for verify failure */
059ec3d9 196extern string_item *acl_warn_logged; /* Logged lines */
a5bd321b 197extern uschar *acl_wherecodes[]; /* Response codes for ACL fails */
059ec3d9 198extern uschar *acl_wherenames[]; /* Names for messages */
69358f02
PH		 199extern BOOL active_local_from_check;/* For adding Sender: (switchable) */
200extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */
059ec3d9
PH		 201extern address_item *addr_duplicate; /* Duplicate address list */
202extern address_item address_defaults; /* Default data for address item */
203extern uschar *address_file; /* Name of file when delivering to one */
204extern uschar *address_pipe; /* Pipe command when delivering to one */
205extern BOOL address_test_mode; /* True for -bt */
206extern tree_node *addresslist_anchor; /* Tree of defined address lists */
207extern int addresslist_count; /* Number defined */
208extern gid_t *admin_groups; /* List of admin groups */
209extern BOOL admin_user; /* True if caller can do admin */
c46782ef 210extern BOOL allow_auth_unadvertised;/* As it says */
059ec3d9
PH		 211extern BOOL allow_domain_literals; /* As it says */
212extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */
213extern BOOL allow_unqualified_recipient; /* As it says */
214extern BOOL allow_unqualified_sender; /* Ditto */
215extern BOOL allow_utf8_domains; /* For experimenting */
2d07a215 216extern uschar *authenticated_fail_id; /* ID that failed authentication */
059ec3d9
PH		 217extern uschar *authenticated_id; /* ID that was authenticated */
218extern uschar *authenticated_sender; /* From AUTH on MAIL */
219extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */
220extern uschar *auth_advertise_hosts; /* Only advertise to these */
221extern auth_info auths_available[]; /* Vector of available auth mechanisms */
222extern auth_instance *auths; /* Chain of instantiated auths */
223extern auth_instance auth_defaults; /* Default values */
224extern uschar *auth_defer_msg; /* Error message for log */
225extern uschar *auth_defer_user_msg; /* Error message for user */
f78eb7c6 226extern uschar *auth_vars[]; /* $authn variables */
059ec3d9 227extern int auto_thaw; /* Auto-thaw interval */
8523533c 228#ifdef WITH_CONTENT_SCAN
9e949f00 229extern BOOL av_failed; /* TRUE if the AV process failed */
8523533c
TK		 230extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
231#endif
059ec3d9
PH		 232
233extern BOOL background_daemon; /* Set FALSE to keep in foreground */
234extern uschar *base62_chars; /* Table of base-62 characters */
235extern uschar *bi_command; /* Command for -bi option */
236extern uschar *big_buffer; /* Used for various temp things */
237extern int big_buffer_size; /* Current size (can expand) */
8523533c
TK		 238#ifdef EXPERIMENTAL_BRIGHTMAIL
239extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */
240extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */
241extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */
242extern uschar *bmi_config_file; /* Brightmail config file */
243extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */
244extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */
245extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */
246#endif
939c3e34 247extern int body_8bitmime; /* sender declared BODY= ; 7=7BIT, 8=8BITMIME */
059ec3d9
PH		 248extern uschar *bounce_message_file; /* Template file */
249extern uschar *bounce_message_text; /* One-liner */
250extern uschar *bounce_recipient; /* When writing an errmsg */
251extern BOOL bounce_return_body; /* Include body in returned message */
62b7cd08 252extern int bounce_return_linesize_limit; /* Max line length in return */
059ec3d9
PH		 253extern BOOL bounce_return_message; /* Include message in bounce */
254extern int bounce_return_size_limit; /* Max amount to return */
255extern uschar *bounce_sender_authentication; /* AUTH address for bounces */
256extern int bsmtp_transaction_linecount; /* Start of last transaction */
257
055e2cb4 258extern uschar *callout_address; /* Address used for a malware/spamd/verify etc. callout */
059ec3d9
PH		 259extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */
260extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */
261extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */
262extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */
263extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */
264extern uschar *check_dns_names_pattern;/* Regex for syntax check */
265extern int check_log_inodes; /* Minimum for message acceptance */
266extern int check_log_space; /* Minimum for message acceptance */
a0d6ba8a 267extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */
059ec3d9
PH		 268extern int check_spool_inodes; /* Minimum for message acceptance */
269extern int check_spool_space; /* Minimum for message acceptance */
aa368db3 270extern uschar *chunking_advertise_hosts; /* RFC 3030 CHUNKING */
c8e2fc1e
JH		 271extern uschar *client_authenticator; /* Authenticator name used for smtp delivery */
272extern uschar *client_authenticated_id; /* "login" name used for SMTP AUTH */
273extern uschar *client_authenticated_sender; /* AUTH option to SMTP MAIL FROM (not yet used) */
059ec3d9
PH		 274extern int clmacro_count; /* Number of command line macros */
275extern uschar *clmacros[]; /* Copy of them, for re-exec */
276extern int connection_max_messages;/* Max down one SMTP connection */
277extern BOOL config_changed; /* True if -C used */
278extern FILE *config_file; /* Configuration file */
279extern uschar *config_filename; /* Configuration file name */
35edf2ff
PH		 280#ifdef CONFIGURE_GROUP
281extern gid_t config_gid; /* Additional group owner */
282#endif
059ec3d9
PH		 283extern int config_lineno; /* Line number */
284extern uschar *config_main_filelist; /* List of possible config files */
285extern uschar *config_main_filename; /* File name actually used */
98b8312f 286extern uschar *config_main_directory; /* Directory where the main config file was found */
059ec3d9
PH		 287#ifdef CONFIGURE_OWNER
288extern uid_t config_uid; /* Additional owner */
289#endif
290extern uschar *continue_hostname; /* Host for continued delivery */
291extern uschar *continue_host_address; /* IP address for ditto */
292extern BOOL continue_more; /* Flag more addresses waiting */
293extern int continue_sequence; /* Sequence num for continued delivery */
294extern uschar *continue_transport; /* Transport for continued delivery */
295
e5a9dba6 296extern uschar *csa_status; /* Client SMTP Authorization result */
5032d1cf
JH		 297
298typedef struct {
299 BOOL delivery; /* When to attempt */
300 int fd; /* Open connection */
301 int nrcpt; /* Count of addresses */
302 uschar * interface; /* (address of) */
303 host_item host; /* Host used */
304 address_item addr; /* (Chain of) addresses */
305} cut_t;
306extern cut_t cutthrough; /* Deliver-concurrently */
e5a9dba6 307
059ec3d9
PH		 308extern BOOL daemon_listen; /* True if listening required */
309extern uschar *daemon_smtp_port; /* Can be a list of ports */
4aee0225
PH		 310extern int daemon_startup_retries; /* Number of times to retry */
311extern int daemon_startup_sleep; /* Sleep between retries */
6a8f9482
TK		 312
313#ifdef EXPERIMENTAL_DCC
314extern BOOL dcc_direct_add_header; /* directly add header */
315extern uschar *dcc_header; /* dcc header */
316extern uschar *dcc_result; /* dcc result */
317extern uschar *dccifd_address; /* address of the dccifd daemon */
318extern uschar *dccifd_options; /* options for the dccifd daemon */
319#endif
320
3d235903 321extern BOOL debug_daemon; /* Debug the daemon process only */
059ec3d9
PH		 322extern int debug_fd; /* The fd for debug_file */
323extern FILE *debug_file; /* Where to write debugging info */
6c6d6e48 324extern int debug_notall[]; /* Debug options excluded from +all */
059ec3d9
PH		 325extern bit_table debug_options[]; /* Table of debug options */
326extern int debug_options_count; /* Size of table */
327extern int delay_warning[]; /* Times between warnings */
328extern uschar *delay_warning_condition; /* Condition string for warnings */
329extern BOOL delivery_date_remove; /* Remove delivery-date headers */
330
331extern uschar *deliver_address_data; /* Arbitrary data for an address */
332extern int deliver_datafile; /* FD for data part of message */
55414b25 333extern const uschar *deliver_domain; /* The local domain for delivery */
059ec3d9 334extern uschar *deliver_domain_data; /* From domain lookup */
55414b25
JH		 335extern const uschar *deliver_domain_orig; /* The original local domain for delivery */
336extern const uschar *deliver_domain_parent; /* The parent domain for delivery */
059ec3d9
PH		 337extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */
338extern BOOL deliver_firsttime; /* True for first delivery attempt */
339extern BOOL deliver_force; /* TRUE if delivery was forced */
340extern BOOL deliver_freeze; /* TRUE if delivery is frozen */
19050083 341extern time_t deliver_frozen_at; /* Time of freezing */
059ec3d9 342extern uschar *deliver_home; /* Home directory for pipes */
55414b25 343extern const uschar *deliver_host; /* (First) host for routed local deliveries */
059ec3d9 344 /* Remote host for filter */
55414b25 345extern const uschar *deliver_host_address; /* Address for remote delivery filter */
a7538db1 346extern int deliver_host_port; /* Address for remote delivery filter */
059ec3d9
PH		 347extern uschar *deliver_in_buffer; /* Buffer for copying file */
348extern ino_t deliver_inode; /* Inode for appendfile */
349extern uschar *deliver_localpart; /* The local part for delivery */
350extern uschar *deliver_localpart_data; /* From local part lookup */
351extern uschar *deliver_localpart_orig; /* The original local part for delivery */
352extern uschar *deliver_localpart_parent; /* The parent local part for delivery */
353extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */
354extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */
355extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */
356extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */
357extern uschar *deliver_out_buffer; /* Buffer for copying file */
358extern int deliver_queue_load_max; /* Different value for queue running */
359extern address_item *deliver_recipients; /* Current set of addresses */
360extern uschar *deliver_selectstring; /* For selecting by recipient */
361extern BOOL deliver_selectstring_regex; /* String is regex */
362extern uschar *deliver_selectstring_sender; /* For selecting by sender */
363extern BOOL deliver_selectstring_sender_regex; /* String is regex */
4c590bd1 364extern BOOL disable_callout_flush; /* Don't flush before callouts */
047bdd8c 365extern BOOL disable_delay_flush; /* Don't flush before "delay" in ACL */
54fc8428
PH		 366#ifdef ENABLE_DISABLE_FSYNC
367extern BOOL disable_fsync; /* Not for normal use */
368#endif
7e66e54d 369extern BOOL disable_ipv6; /* Don't do any IPv6 things */
059ec3d9
PH		 370extern BOOL disable_logging; /* Disables log writing when TRUE */
371
80a47a2c 372#ifndef DISABLE_DKIM
abe1010c 373extern BOOL dkim_collect_input; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */
2df588c9 374extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */
abe1010c
JH		 375extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */
376extern int dkim_key_length; /* Expansion variable, length of signing key in bits */
9e5d6b55 377extern uschar *dkim_signers; /* Expansion variable, holds colon-separated list of domains and identities that have signed a message */
80a47a2c
TK		 378extern uschar *dkim_signing_domain; /* Expansion variable, domain used for signing a message. */
379extern uschar *dkim_signing_selector; /* Expansion variable, selector used for signing a message. */
380extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */
f7572e5a 381#endif
4840604e 382#ifdef EXPERIMENTAL_DMARC
4a8ce2d8 383extern BOOL dmarc_has_been_checked; /* Global variable to check if test has been called yet */
4840604e 384extern uschar *dmarc_ar_header; /* Expansion variable, suggested header for dmarc auth results */
8c8b8274 385extern uschar *dmarc_domain_policy; /* Expansion for declared policy of used domain */
4840604e
TL		 386extern uschar *dmarc_forensic_sender; /* Set sender address for forensic reports */
387extern uschar *dmarc_history_file; /* Expansion variable, file to store dmarc results */
388extern uschar *dmarc_status; /* Expansion variable, one word value */
389extern uschar *dmarc_status_text; /* Expansion variable, human readable value */
390extern uschar *dmarc_tld_file; /* Mozilla TLDs text file */
391extern uschar *dmarc_used_domain; /* Expansion variable, domain libopendmarc chose for DMARC policy lookup */
392extern BOOL dmarc_disable_verify; /* Set via ACL control statement. When set, DMARC verification is disabled for the current message */
393extern BOOL dmarc_enable_forensic; /* Set via ACL control statement. When set, DMARC forensic reports are enabled for the current message */
394#endif
f7572e5a 395
059ec3d9 396extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
e5a9dba6
PH		 397extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */
398extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */
059ec3d9 399extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
e682570f
TL		 400#ifdef EXPERIMENTAL_DANE
401extern int dns_dane_ok; /* Ok to use DANE when checking TLS authenticity */
402#endif
059ec3d9
PH		 403extern int dns_retrans; /* Retransmission time setting */
404extern int dns_retry; /* Number of retries */
0fbd9bff 405extern int dns_dnssec_ok; /* When constructing DNS query, set DO flag */
9820a77f 406extern uschar *dns_trust_aa; /* DNSSEC trust AA as AD */
e97d1f08 407extern int dns_use_edns0; /* Coerce EDNS0 support on/off in resolver. */
059ec3d9 408extern uschar *dnslist_domain; /* DNS (black) list domain */
93655c46 409extern uschar *dnslist_matched; /* DNS (black) list matched key */
059ec3d9
PH		 410extern uschar *dnslist_text; /* DNS (black) list text message */
411extern uschar *dnslist_value; /* DNS (black) list IP address */
412extern tree_node *domainlist_anchor; /* Tree of defined domain lists */
413extern int domainlist_count; /* Number defined */
414extern BOOL dont_deliver; /* TRUE for -N option */
415extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */
416
417/* This option is now a no-opt, retained for compatibility */
418extern BOOL drop_cr; /* For broken local MUAs */
419
0e22dfd1
PH		 420extern uschar *dsn_from; /* From: string for DSNs */
421
059ec3d9
PH		 422extern BOOL enable_dollar_recipients; /* Make $recipients available */
423extern int envelope_to_remove; /* Remove envelope_to_headers */
424extern int errno_quota; /* Quota errno in this OS */
425extern int error_handling; /* Error handling style */
426extern uschar *errors_copy; /* For taking copies of errors */
427extern uschar *errors_reply_to; /* Reply-to for error messages */
428extern int errors_sender_rc; /* Return after message to sender*/
774ef2d7 429
0cbf2b82 430#ifndef DISABLE_EVENT
774ef2d7
JH		 431extern uschar *event_action; /* expansion for delivery events */
432extern uschar *event_data; /* event data */
433extern int event_defer_errno; /* error number set when a remote delivery is deferred with a host error */
55414b25 434extern const uschar *event_name; /* event classification */
774ef2d7
JH		 435#endif
436
059ec3d9
PH		 437extern gid_t exim_gid; /* To be used with exim_uid */
438extern BOOL exim_gid_set; /* TRUE if exim_gid set */
439extern uschar *exim_path; /* Path to exec exim */
98a90c36 440extern const uschar *exim_sieve_extension_list[]; /* list of sieve extensions */
059ec3d9
PH		 441extern uid_t exim_uid; /* Non-root uid for exim */
442extern BOOL exim_uid_set; /* TRUE if exim_uid set */
443extern int expand_forbid; /* RDO flags for forbidding things */
444extern int expand_nlength[]; /* Lengths of numbered strings */
445extern int expand_nmax; /* Max numerical value */
446extern uschar *expand_nstring[]; /* Numbered strings */
447extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */
448extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */
449extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */
450
29aba418
TF		 451extern int fake_response; /* Fake FAIL or DEFER response to data */
452extern uschar *fake_response_text; /* User defined message for the above. Default is in globals.c. */
059ec3d9
PH		 453extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */
454extern BOOL filter_running; /* TRUE while running a filter */
455extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */
f05da2e8
PH		 456extern int filter_test; /* Filter test type */
457extern uschar *filter_test_sfile; /* System filter test file */
458extern uschar *filter_test_ufile; /* User filter test file */
059ec3d9
PH		 459extern uschar *filter_thisaddress; /* For address looping */
460extern int finduser_retries; /* Retry count for getpwnam() */
461extern uid_t fixed_never_users[]; /* Can't be overridden */
462extern uschar *freeze_tell; /* Message on (some) freezings */
6a3f1455 463extern uschar *freeze_tell_config; /* The configured setting */
059ec3d9
PH		 464extern uschar *fudged_queue_times; /* For use in test harness */
465
466extern uschar *gecos_name; /* To be expanded when pattern matches */
467extern uschar *gecos_pattern; /* Pattern to match */
468extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */
469
470extern int header_insert_maxlen; /* Max for inserting headers */
471extern int header_maxsize; /* Max total length for header */
472extern int header_line_maxsize; /* Max for an individual line */
473extern header_name header_names[]; /* Table of header names */
474extern int header_names_size; /* Number of entries */
475extern BOOL header_rewritten; /* TRUE if header changed by router */
476extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */
477extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */
478extern uschar *helo_lookup_domains; /* If these given, lookup host name */
479extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */
480extern BOOL helo_verified; /* True if HELO verified */
d7b47fd0 481extern BOOL helo_verify_failed; /* True if attempt failed */
059ec3d9 482extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */
1ba28e2b 483extern const uschar *hex_digits; /* Used in several places */
059ec3d9
PH		 484extern uschar *hold_domains; /* Hold up deliveries to these */
485extern BOOL host_find_failed_syntax;/* DNS syntax check failure */
486extern BOOL host_checking_callout; /* TRUE if real callout wanted */
487extern uschar *host_data; /* Obtained from lookup in ACL */
488extern uschar *host_lookup; /* For which IP addresses are always looked up */
b08b24c8 489extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */
059ec3d9
PH		 490extern BOOL host_lookup_failed; /* TRUE if lookup failed */
491extern uschar *host_lookup_order; /* Order of host lookup types */
492extern uschar *host_lookup_msg; /* Text for why it failed */
493extern int host_number; /* For sharing spools */
494extern uschar *host_number_string; /* For expanding */
495extern uschar *host_reject_connection; /* Reject these hosts */
496extern tree_node *hostlist_anchor; /* Tree of defined host lists */
497extern int hostlist_count; /* Number defined */
498extern uschar *hosts_connection_nolog; /* Limits the logging option */
499extern uschar *hosts_treat_as_local; /* For routing */
500
501extern int ignore_bounce_errors_after; /* Keep them for this time. */
502extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */
503extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */
9ee44efb
PP		 504extern BOOL inetd_wait_mode; /* Whether running in inetd wait mode */
505extern int inetd_wait_timeout; /* Timeout for inetd wait mode */
3615fa9a 506extern uschar *initial_cwd; /* The directory we where in at startup */
059ec3d9 507extern BOOL is_inetd; /* True for inetd calls */
0ce9abe6 508extern uschar *iterate_item; /* Item from iterate list */
059ec3d9
PH		 509
510extern int journal_fd; /* Fd for journal file */
511
bc3c7bb7 512extern uschar *keep_environment; /* Whitelist for environment variables */
059ec3d9
PH		 513extern int keep_malformed; /* Time to keep malformed messages */
514
515extern uschar *eldap_dn; /* Where LDAP DNs are left */
516extern int load_average; /* Most recently read load average */
517extern BOOL local_error_message; /* True if handling one of these */
69358f02 518extern BOOL local_from_check; /* For adding Sender: (global value) */
059ec3d9
PH		 519extern uschar *local_from_prefix; /* Permitted prefixes */
520extern uschar *local_from_suffix; /* Permitted suffixes */
521extern uschar *local_interfaces; /* For forcing specific interfaces */
522extern uschar *local_scan_data; /* Text returned by local_scan() */
523extern optionlist local_scan_options[];/* Option list for local_scan() */
524extern int local_scan_options_count; /* Size of the list */
525extern int local_scan_timeout; /* Timeout for local_scan() */
526extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */
527extern gid_t local_user_gid; /* As it says; may be set in routers */
528extern uid_t local_user_uid; /* As it says; may be set in routers */
529extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */
530extern int localpartlist_count; /* Number defined */
531extern uschar *log_buffer; /* For constructing log entries */
6c6d6e48 532extern int log_default[]; /* Initialization list for log_selector */
059ec3d9 533extern uschar *log_file_path; /* If unset, use default */
6c6d6e48 534extern int log_notall[]; /* Log options excluded from +all */
059ec3d9
PH		 535extern bit_table log_options[]; /* Table of options */
536extern int log_options_count; /* Size of table */
6ea85e9a 537extern int log_reject_target; /* Target log for ACL rejections */
6c6d6e48 538extern unsigned int log_selector[]; /* Bit map of logging options */
059ec3d9
PH		 539extern uschar *log_selector_string; /* As supplied in the config */
540extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */
541extern BOOL log_testing_mode; /* TRUE in various testing modes */
542extern BOOL log_timezone; /* TRUE to include the timezone in log lines */
543extern uschar *login_sender_address; /* The actual sender address */
e6d225ae 544extern lookup_info **lookup_list; /* Array of pointers to available lookups */
059ec3d9 545extern int lookup_list_count; /* Number of entries in the list */
4e0983dc 546extern uschar *lookup_dnssec_authenticated; /* AD status of dns lookup */
059ec3d9
PH		 547extern int lookup_open_max; /* Max lookup files to cache */
548extern uschar *lookup_value; /* Value looked up from file */
549
550extern macro_item *macros; /* Configuration macros */
551extern uschar *mailstore_basename; /* For mailstore deliveries */
8523533c
TK		 552#ifdef WITH_CONTENT_SCAN
553extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
554#endif
d677b2f2 555extern int max_received_linelength;/* What it says */
059ec3d9
PH		 556extern int max_username_length; /* For systems with broken getpwnam() */
557extern int message_age; /* In seconds */
558extern uschar *message_body; /* Start of message body for filter */
559extern uschar *message_body_end; /* End of message body for filter */
ddea74fa 560extern BOOL message_body_newlines; /* FALSE => remove newlines */
059ec3d9
PH		 561extern int message_body_size; /* Sic */
562extern int message_body_visible; /* Amount visible in message_body */
563extern int message_ended; /* State of message reading and how ended */
564extern uschar *message_headers; /* When built */
565extern uschar message_id_option[]; /* -E<message-id> for use as option */
566extern uschar *message_id_external; /* External form of following */
567extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */
568extern uschar *message_id_text; /* Expanded to form message_id */
569extern struct timeval message_id_tv; /* Time used to create last message_id */
570extern int message_linecount; /* As it says */
571extern BOOL message_logs; /* TRUE to write message logs */
572extern int message_size; /* Size of message */
573extern uschar *message_size_limit; /* As it says */
8c5d388a 574#ifdef SUPPORT_I18N
eb02f5df 575extern BOOL message_smtputf8; /* Internationalized mail handling */
3c8b3577 576extern int message_utf8_downconvert; /* convert from utf8 */
7ade712c 577const extern pcre *regex_UTF8; /* For recognizing SMTPUTF8 settings */
eb02f5df 578#endif
059ec3d9
PH		 579extern uschar message_subdir[]; /* Subdirectory for messages */
580extern uschar *message_reference; /* Reference for error messages */
8523533c
TK		 581
582/* MIME ACL expandables */
583#ifdef WITH_CONTENT_SCAN
584extern int mime_anomaly_level;
1ba28e2b 585extern const uschar *mime_anomaly_text;
8523533c
TK		 586extern uschar *mime_boundary;
587extern uschar *mime_charset;
588extern uschar *mime_content_description;
589extern uschar *mime_content_disposition;
590extern uschar *mime_content_id;
591extern unsigned int mime_content_size;
592extern uschar *mime_content_transfer_encoding;
593extern uschar *mime_content_type;
594extern uschar *mime_decoded_filename;
595extern uschar *mime_filename;
596extern int mime_is_multipart;
597extern int mime_is_coverletter;
598extern int mime_is_rfc822;
599extern int mime_part_count;
600#endif
601
059ec3d9
PH		 602extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */
603
604extern uid_t *never_users; /* List of uids never to be used */
8523533c
TK		 605#ifdef WITH_CONTENT_SCAN
606extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */
607#endif
059ec3d9
PH		 608extern BOOL no_multiline_responses; /* For broken clients */
609
610extern optionlist optionlist_auths[]; /* These option lists are made */
611extern int optionlist_auths_size; /* global so that readconf can */
612extern optionlist optionlist_routers[]; /* see them for printing out */
613extern int optionlist_routers_size; /* the options. */
614extern optionlist optionlist_transports[];
615extern int optionlist_transports_size;
616
617extern uid_t original_euid; /* Original effective uid */
618extern gid_t originator_gid; /* Gid of whoever wrote spool file */
619extern uschar *originator_login; /* Login of same */
620extern uschar *originator_name; /* Full name of same */
621extern uid_t originator_uid; /* Uid of ditto */
622extern uschar *override_local_interfaces; /* Value of -oX argument */
623extern uschar *override_pid_file_path; /* Value of -oP argument */
624
625extern BOOL parse_allow_group; /* Allow group syntax */
626extern BOOL parse_found_group; /* In the middle of a group */
627extern uschar *percent_hack_domains; /* Local domains for which '% operates */
628extern uschar *pid_file_path; /* For writing daemon pids */
629extern uschar *pipelining_advertise_hosts; /* As it says */
cf8b11a5 630extern BOOL pipelining_enable; /* As it says */
8ccd00b1 631#ifndef DISABLE_PRDR
fd98a5c6
JH		 632extern BOOL prdr_enable; /* As it says */
633extern BOOL prdr_requested; /* Connecting mail server wants PRDR */
634#endif
059ec3d9
PH		 635extern BOOL preserve_message_logs; /* Save msglog files */
636extern uschar *primary_hostname; /* Primary name of this computer */
637extern BOOL print_topbitchars; /* Topbit chars are printing chars */
638extern uschar process_info[]; /* For SIGUSR1 output */
921b12ca 639extern int process_info_len;
059ec3d9
PH		 640extern uschar *process_log_path; /* Alternate path */
641extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
a3c86431 642
e6d2a989 643#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
cee5f132 644extern uschar *hosts_proxy; /* Hostlist which (require) use proxy protocol */
e6d2a989
JH		 645extern uschar *proxy_external_address; /* IP of remote interface of proxy */
646extern int proxy_external_port; /* Port on remote interface of proxy */
647extern uschar *proxy_local_address; /* IP of local interface of proxy */
648extern int proxy_local_port; /* Port on local interface of proxy */
a3c86431
TL		 649extern BOOL proxy_session; /* TRUE if receiving mail from valid proxy */
650extern BOOL proxy_session_failed; /* TRUE if required proxy negotiation failed */
651#endif
652
fffda43a
TK		 653extern uschar *prvscheck_address; /* Set during prvscheck expansion item */
654extern uschar *prvscheck_keynum; /* Set during prvscheck expansion item */
655extern uschar *prvscheck_result; /* Set during prvscheck expansion item */
059ec3d9 656
55414b25 657extern const uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
059ec3d9
PH		 658extern uschar *qualify_domain_sender; /* Domain to qualify senders with */
659extern BOOL queue_2stage; /* Run queue in 2-stage manner */
660extern uschar *queue_domains; /* Queue these domains */
661extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */
662extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */
663extern BOOL queue_run_force; /* TRUE to force during queue run */
664extern BOOL queue_run_local; /* Local deliveries only in queue run */
665extern BOOL queue_running; /* TRUE for queue running process and */
666 /* immediate children */
667extern pid_t queue_run_pid; /* PID of the queue running process or 0 */
668extern int queue_run_pipe; /* Pipe for synchronizing */
669extern int queue_interval; /* Queue running interval */
a2da3176 670extern uschar *queue_name; /* Name of queue, if nondefault spooling */
059ec3d9
PH		 671extern BOOL queue_only; /* TRUE to disable immediate delivery */
672extern int queue_only_load; /* Max load before auto-queue */
8669f003 673extern BOOL queue_only_load_latch; /* Latch queue_only_load TRUE */
059ec3d9
PH		 674extern uschar *queue_only_file; /* Queue if file exists/not-exists */
675extern BOOL queue_only_override; /* Allow override from command line */
676extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
677extern BOOL queue_run_in_order; /* As opposed to random */
0cd5fd23 678extern uschar *queue_run_max; /* Max queue runners */
059ec3d9
PH		 679extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/
680extern uschar *queue_smtp_domains; /* Ditto, for these domains */
681
682extern unsigned int random_seed; /* Seed for random numbers */
fe0dab11 683extern tree_node *ratelimiters_cmd; /* Results of command ratelimit checks */
870f6ba8
TF		 684extern tree_node *ratelimiters_conn; /* Results of connection ratelimit checks */
685extern tree_node *ratelimiters_mail; /* Results of per-mail ratelimit checks */
059ec3d9
PH		 686extern uschar *raw_active_hostname; /* Pre-expansion */
687extern uschar *raw_sender; /* Before rewriting */
688extern uschar **raw_recipients; /* Before rewriting */
689extern int raw_recipients_count;
690extern int rcpt_count; /* Count of RCPT commands in a message */
691extern int rcpt_fail_count; /* Those that got 5xx */
692extern int rcpt_defer_count; /* Those that got 4xx */
693extern gid_t real_gid; /* Real gid */
694extern uid_t real_uid; /* Real user running program */
695extern BOOL really_exim; /* FALSE in utilities */
696extern BOOL receive_call_bombout; /* Flag for crashing log */
697extern int receive_linecount; /* Mainly for BSMTP errors */
698extern int receive_messagecount; /* Mainly for BSMTP errors */
699extern int receive_timeout; /* For non-SMTP acceptance */
700extern int received_count; /* Count of Received: headers */
701extern uschar *received_for; /* For "for" field */
702extern uschar *received_header_text; /* Definition of Received: header */
703extern int received_headers_max; /* Max count of Received: headers */
704extern int received_time; /* Time the message was received */
705extern uschar *recipient_data; /* lookup data for recipients */
706extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */
2c7db3f5 707extern uschar *recipient_verify_failure; /* What went wrong */
059ec3d9
PH		 708extern BOOL recipients_discarded; /* By an ACL */
709extern int recipients_list_max; /* Maximum number fitting in list */
710extern int recipients_max; /* Max permitted */
711extern int recipients_max_reject; /* If TRUE, reject whole message */
712extern const pcre *regex_AUTH; /* For recognizing AUTH settings */
713extern const pcre *regex_check_dns_names; /* For DNS name checking */
714extern const pcre *regex_From; /* For recognizing "From_" lines */
f1513293 715extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */
059ec3d9
PH		 716extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */
717extern const pcre *regex_SIZE; /* For recognizing SIZE settings */
718extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */
f38917cc
JH		 719extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */
720extern uschar *regex_vars[]; /* $regexN variables */
a7cbbf50
PP		 721#ifdef WHITELIST_D_MACROS
722extern const pcre *regex_whitelisted_macro; /* For -D macro values */
723#endif
8523533c
TK		 724#ifdef WITH_CONTENT_SCAN
725extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */
726#endif
059ec3d9
PH		 727extern int remote_delivery_count; /* Number of remote addresses */
728extern int remote_max_parallel; /* Maximum parallel delivery */
729extern uschar *remote_sort_domains; /* Remote domain sorting order */
730extern retry_config *retries; /* Chain of retry config information */
731extern int retry_data_expire; /* When to expire retry data */
732extern int retry_interval_max; /* Absolute maximum */
733extern int retry_maximum_timeout; /* The maximum timeout */
734extern uschar *return_path; /* Return path for a message */
735extern BOOL return_path_remove; /* Remove return-path headers */
736extern int rewrite_existflags; /* Indicate which headers have rewrites */
737extern uschar *rfc1413_hosts; /* RFC hosts */
738extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
739/* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
c1d94452 740extern uid_t root_gid; /* The gid for root */
059ec3d9
PH		 741extern uid_t root_uid; /* The uid for root */
742extern router_info routers_available[];/* Vector of available routers */
743extern router_instance *routers; /* Chain of instantiated routers */
744extern router_instance router_defaults;/* Default values */
181d9bf8 745extern uschar *router_name; /* Name of router last started */
059ec3d9
PH		 746extern BOOL running_in_test_harness; /*TRUE when running_status is patched */
747extern ip_address_item *running_interfaces; /* Host's running interfaces */
748extern uschar *running_status; /* Flag string for testing */
749extern int runrc; /* rc from ${run} */
750
751extern uschar *search_error_message; /* Details of lookup problem */
752extern BOOL search_find_defer; /* Set TRUE if lookup deferred */
753extern uschar *self_hostname; /* Self host after routing->directors */
754extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */
2a3eea10 755extern uschar *sender_address_data; /* address_data from sender verify */
059ec3d9
PH		 756extern BOOL sender_address_forced; /* Set by -f */
757extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */
758extern uschar *sender_data; /* lookup result for senders */
759extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */
760extern uschar *sender_fullhost; /* Sender host name + address */
1705dd20 761extern BOOL sender_helo_dnssec; /* True if HELO verify used DNS and was DNSSEC */
059ec3d9
PH		 762extern uschar *sender_helo_name; /* Host name from HELO/EHLO */
763extern uschar **sender_host_aliases; /* Points to list of alias names */
764extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */
1f4a55da 765extern BOOL sender_host_dnssec; /* true if sender_host_name verified in DNSSEC */
059ec3d9
PH		 766extern BOOL sender_host_notsocket; /* Set for -bs and -bS */
767extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */
768extern uschar *sender_ident; /* Sender identity via RFC 1413 */
769extern BOOL sender_local; /* TRUE for local senders */
2fe1a124 770extern BOOL sender_name_forced; /* Set by -F */
870f6ba8
TF		 771extern uschar *sender_rate; /* Sender rate computed by ACL */
772extern uschar *sender_rate_limit; /* Configured rate limit */
773extern uschar *sender_rate_period; /* Configured smoothing period */
059ec3d9
PH		 774extern uschar *sender_rcvhost; /* Host data for Received: */
775extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */
776extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */
2c7db3f5 777extern uschar *sender_verify_failure; /* What went wrong */
059ec3d9
PH		 778extern address_item *sender_verified_list; /* Saved chain of sender verifies */
779extern address_item *sender_verified_failed; /* The one that caused denial */
41c7c167
PH		 780extern uschar *sending_ip_address; /* Address of outgoing (SMTP) interface */
781extern int sending_port; /* Port of outgoing interface */
cd59ab18 782extern SIGNAL_BOOL sigalrm_seen; /* Flag for sigalrm_handler */
059ec3d9 783extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */
846430d9 784extern int slow_lookup_log; /* Log DNS lookups taking loger than N millisecs */
059ec3d9
PH		 785extern int smtp_accept_count; /* Count of connections */
786extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
787extern int smtp_accept_max; /* Max SMTP connections */
788extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */
789extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */
790extern int smtp_accept_max_per_connection; /* Max msgs per connection */
791extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */
792extern int smtp_accept_queue; /* Queue after so many connections */
793extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */
794extern int smtp_accept_reserve; /* Reserve these SMTP connections */
795extern uschar *smtp_active_hostname; /* Hostname for this message */
796extern BOOL smtp_authenticated; /* Sending client has authenticated */
797extern uschar *smtp_banner; /* Banner string (to be expanded) */
798extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */
b4ed4da0 799extern int smtp_ch_index; /* Index in smtp_connection_had */
3ee512ff
PH		 800extern uschar *smtp_cmd_argument; /* For all SMTP commands */
801extern uschar *smtp_cmd_buffer; /* SMTP command buffer */
b4ed4da0
PH		 802extern time_t smtp_connection_start; /* Start time of SMTP connection */
803extern uschar smtp_connection_had[]; /* Recent SMTP commands */
059ec3d9
PH		 804extern int smtp_connect_backlog; /* Max backlog permitted */
805extern double smtp_delay_mail; /* Current MAIL delay */
806extern double smtp_delay_rcpt; /* Current RCPT delay */
807extern BOOL smtp_enforce_sync; /* Enforce sync rules */
808extern uschar *smtp_etrn_command; /* Command to run */
809extern BOOL smtp_etrn_serialize; /* Only one at once */
810extern FILE *smtp_in; /* Incoming SMTP input file */
811extern int smtp_load_reserve; /* Only from reserved if load > this */
812extern int smtp_mailcmd_count; /* Count of MAIL commands */
813extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
814extern int smtp_max_unknown_commands; /* As it says */
8f128379 815extern uschar *smtp_notquit_reason; /* Global for disconnect reason */
059ec3d9
PH		 816extern FILE *smtp_out; /* Incoming SMTP output file */
817extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
818extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
819extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
820extern uschar *smtp_read_error; /* Message for SMTP input error */
821extern int smtp_receive_timeout; /* Applies to each received line */
1ad6489e 822extern uschar *smtp_receive_timeout_s; /* ... expandable version */
059ec3d9
PH		 823extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
824extern BOOL smtp_return_error_details; /* TRUE to return full info */
825extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
826extern double smtp_rlm_factor; /* Factor for MAIL rate limit */
827extern int smtp_rlm_limit; /* Max delay */
828extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */
829extern int smtp_rlr_base; /* Base interval for RCPT rate limit */
830extern double smtp_rlr_factor; /* Factor for RCPT rate limit */
831extern int smtp_rlr_limit; /* Max delay */
832extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */
833extern BOOL smtp_use_pipelining; /* Global for passed connections */
834extern BOOL smtp_use_size; /* Global for passed connections */
8c5d388a 835#ifdef SUPPORT_I18N
3d1451ea
JH		 836extern uschar *smtputf8_advertise_hosts; /* ingress control */
837#endif
8523533c
TK		 838
839#ifdef WITH_CONTENT_SCAN
840extern uschar *spamd_address; /* address for the spamassassin daemon */
841extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
842extern uschar *spam_report; /* the spamd report (multiline) */
c5f280e2 843extern uschar *spam_action; /* the spamd recommended-action */
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TK		 844extern uschar *spam_score; /* the spam score (float) */
845extern uschar *spam_score_int; /* spam_score * 10 (int) */
846#endif
847#ifdef EXPERIMENTAL_SPF
65a7d8c3 848extern uschar *spf_guess; /* spf best-guess record */
8523533c 849extern uschar *spf_header_comment; /* spf header comment */
8fe685ad 850extern uschar *spf_received; /* Received-SPF: header */
8523533c
TK		 851extern uschar *spf_result; /* spf result in string form */
852extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
853#endif
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PH		 854extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */
855extern uschar *spool_directory; /* Name of spool directory */
8523533c
TK		 856#ifdef EXPERIMENTAL_SRS
857extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */
858extern uschar *srs_db_address; /* SRS db address */
859extern uschar *srs_db_key; /* SRS db key */
384152a6
TK		 860extern int srs_hashlength; /* SRS hash length */
861extern int srs_hashmin; /* SRS minimum hash length */
862extern int srs_maxage; /* SRS max age */
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TK		 863extern uschar *srs_orig_sender; /* SRS original sender */
864extern uschar *srs_orig_recipient; /* SRS original recipient */
865extern uschar *srs_recipient; /* SRS recipient */
384152a6 866extern uschar *srs_secrets; /* SRS secrets list */
8523533c 867extern uschar *srs_status; /* SRS staus */
384152a6
TK		 868extern BOOL srs_usehash; /* SRS use hash flag */
869extern BOOL srs_usetimestamp; /* SRS use timestamp flag */
8523533c 870#endif
38a0a95f 871extern BOOL strict_acl_vars; /* ACL variables have to be set before being used */
059ec3d9 872extern int string_datestamp_offset;/* After insertion by string_format */
f1e5fef5
PP		 873extern int string_datestamp_length;/* After insertion by string_format */
874extern int string_datestamp_type; /* After insertion by string_format */
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PH		 875extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
876extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
877extern uschar *submission_domain; /* Domain for submission mode */
878extern BOOL submission_mode; /* Can be forced from ACL */
2fe1a124 879extern uschar *submission_name; /* User name set from ACL */
8800895a 880extern BOOL suppress_local_fixups; /* Can be forced from ACL */
f4ee74ac 881extern BOOL suppress_local_fixups_default; /* former is reset to this; override with -G */
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PH		 882extern BOOL synchronous_delivery; /* TRUE if -odi is set */
883extern BOOL syslog_duplication; /* FALSE => no duplicate logging */
884extern int syslog_facility; /* As defined by Syslog.h */
885extern uschar *syslog_processname; /* 'ident' param to openlog() */
886extern BOOL syslog_timestamp; /* TRUE if time on syslogs */
887extern uschar *system_filter; /* Name of system filter file */
888
889extern uschar *system_filter_directory_transport; /* Transports for the */
890extern uschar *system_filter_file_transport; /* system filter */
891extern uschar *system_filter_pipe_transport;
892extern uschar *system_filter_reply_transport;
893
894extern gid_t system_filter_gid; /* Gid for running system filter */
895extern BOOL system_filter_gid_set; /* TRUE if gid set */
896extern uid_t system_filter_uid; /* Uid for running system filter */
897extern BOOL system_filter_uid_set; /* TRUE if uid set */
898extern BOOL system_filtering; /* TRUE when running system filter */
899
900extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
5dc43717
JJ		 901#ifdef USE_TCP_WRAPPERS
902extern uschar *tcp_wrappers_daemon_name; /* tcpwrappers daemon lookup name */
903#endif
8669f003 904extern int test_harness_load_avg; /* For use when testing */
059ec3d9
PH		 905extern int thismessage_size_limit; /* Limit for this message */
906extern int timeout_frozen_after; /* Max time to keep frozen messages */
907extern BOOL timestamps_utc; /* Use UTC for all times */
d68218c7 908
181d9bf8 909extern uschar *transport_name; /* Name of transport last started */
059ec3d9 910extern int transport_count; /* Count of bytes transported */
332f5cf3 911extern int transport_newlines; /* Accurate count of number of newline chars transported */
55414b25 912extern const uschar **transport_filter_argv; /* For on-the-fly filtering */
059ec3d9 913extern int transport_filter_timeout; /* Timeout for same */
2e2a30b4 914extern BOOL transport_filter_timed_out; /* True if it did */
059ec3d9
PH		 915
916extern transport_info transports_available[]; /* Vector of available transports */
917extern transport_instance *transports; /* Chain of instantiated transports */
918extern transport_instance transport_defaults; /* Default values */
919
920extern int transport_write_timeout;/* Set to time out individual writes */
921
922extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */
923extern tree_node *tree_duplicates; /* Tree of duplicate addresses */
924extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */
925extern tree_node *tree_unusable; /* Tree of unusable addresses */
926
927extern BOOL trusted_caller; /* Caller is trusted */
e2f5dc15 928extern BOOL trusted_config; /* Configuration file is trusted */
059ec3d9
PH		 929extern gid_t *trusted_groups; /* List of trusted groups */
930extern uid_t *trusted_users; /* List of trusted users */
931extern uschar *timezone_string; /* Required timezone setting */
932
933extern uschar *unknown_login; /* To use when login id unknown */
934extern uschar *unknown_username; /* Ditto */
935extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */
936extern uschar *uucp_from_pattern; /* For recognizing "From " lines */
937extern uschar *uucp_from_sender; /* For building the sender */
938
939extern uschar *warn_message_file; /* Template for warning messages */
940extern uschar *warnmsg_delay; /* String form of delay time */
941extern uschar *warnmsg_recipients; /* Recipients of warning message */
942extern BOOL write_rejectlog; /* Control of reject logging */
943
aec45841 944extern uschar *verify_mode; /* Running a router in verify mode */
059ec3d9
PH		 945extern uschar *version_copyright; /* Copyright notice */
946extern uschar *version_date; /* Date of compilation */
947extern uschar *version_cnumber; /* Compile number */
948extern uschar *version_string; /* Version string */
949
950extern int warning_count; /* Delay warnings sent for this msg */
951
952/* End of globals.h */
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