/************************************************* * Exim - an Internet mail transport agent * *************************************************/ /* Copyright (c) University of Cambridge 1995 - 2012 */ /* See the file NOTICE for conditions of use and distribution. */ /* Almost all the global variables are defined together in this one header, so that they are easy to find. However, those that are visible during the compilation of the local_scan() function are defined separately in the local_scan.h header file. */ /* First put any specials that are required for some operating systems. */ #ifdef NEED_H_ERRNO extern int h_errno; #endif /* We need to be careful about width of int and atomicity in signal handlers, especially with the rise of 64-bit systems breaking older assumptions. But sig_atomic_t comes from signal.h so can't go into mytypes.h without including signal support in local_scan, which seems precipitous. */ typedef volatile sig_atomic_t SIGNAL_BOOL; /* Now things that are present only when configured. */ #ifdef EXIM_PERL extern uschar *opt_perl_startup; /* Startup code for Perl interpreter */ extern BOOL opt_perl_at_start; /* Start Perl interpreter at start */ extern BOOL opt_perl_started; /* Set once interpreter started */ #endif #ifdef EXPAND_DLFUNC extern tree_node *dlobj_anchor; /* Tree of dynamically-loaded objects */ #endif #ifdef LOOKUP_IBASE extern uschar *ibase_servers; #endif #ifdef LOOKUP_LDAP extern uschar *eldap_ca_cert_dir; /* Directory with CA certificates */ extern uschar *eldap_ca_cert_file; /* CA certificate file */ extern uschar *eldap_cert_file; /* Certificate file */ extern uschar *eldap_cert_key; /* Certificate key file */ extern uschar *eldap_cipher_suite; /* Allowed cipher suite */ extern uschar *eldap_default_servers; /* List of default servers */ extern uschar *eldap_require_cert; /* Peer certificate checking strategy */ extern BOOL eldap_start_tls; /* Use STARTTLS */ extern int eldap_version; /* LDAP version */ #endif #ifdef LOOKUP_MYSQL extern uschar *mysql_servers; /* List of servers and connect info */ #endif #ifdef LOOKUP_ORACLE extern uschar *oracle_servers; /* List of servers and connect info */ #endif #ifdef LOOKUP_PGSQL extern uschar *pgsql_servers; /* List of servers and connect info */ #endif #ifdef LOOKUP_SQLITE extern int sqlite_lock_timeout; /* Internal lock waiting timeout */ #endif #ifdef SUPPORT_MOVE_FROZEN_MESSAGES extern BOOL move_frozen_messages; /* Get them out of the normal directory */ #endif /* These variables are outside the #ifdef because it keeps the code less cluttered in several places (e.g. during logging) if we can always refer to them. Also, the tls_ variables are now always visible. */ typedef struct { int active; /* fd/socket when in a TLS session */ int bits; /* bits used in TLS session */ BOOL certificate_verified; /* Client certificate verified */ uschar *cipher; /* Cipher used */ BOOL on_connect; /* For older MTAs that don't STARTTLS */ uschar *on_connect_ports; /* Ports always tls-on-connect */ uschar *peerdn; /* DN from peer */ uschar *sni; /* Server Name Indication */ } tls_support; extern tls_support tls_in; extern tls_support tls_out; #ifdef SUPPORT_TLS extern BOOL gnutls_compat_mode; /* Less security, more compatibility */ extern BOOL gnutls_enable_pkcs11; /* Let GnuTLS autoload PKCS11 modules */ extern uschar *gnutls_require_mac; /* So some can be avoided */ extern uschar *gnutls_require_kx; /* So some can be avoided */ extern uschar *gnutls_require_proto; /* So some can be avoided */ extern uschar *openssl_options; /* OpenSSL compatibility options */ extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */ extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */ extern uschar *tls_certificate; /* Certificate file */ extern uschar *tls_channelbinding_b64; /* string of base64 channel binding */ extern uschar *tls_crl; /* CRL File */ extern int tls_dh_max_bits; /* don't accept higher lib suggestions */ extern uschar *tls_dhparam; /* DH param file */ #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS) extern uschar *tls_ocsp_file; /* OCSP stapling proof file */ #endif extern BOOL tls_offered; /* Server offered TLS */ extern uschar *tls_privatekey; /* Private key file */ extern BOOL tls_remember_esmtp; /* For YAEB */ extern uschar *tls_require_ciphers; /* So some can be avoided */ extern uschar *tls_try_verify_hosts; /* Optional client verification */ extern uschar *tls_verify_certificates;/* Path for certificates to check */ extern uschar *tls_verify_hosts; /* Mandatory client verification */ #endif /* Input-reading functions for messages, so we can use special ones for incoming TCP/IP. */ extern int (*receive_getc)(void); extern int (*receive_ungetc)(int); extern int (*receive_feof)(void); extern int (*receive_ferror)(void); extern BOOL (*receive_smtp_buffered)(void); /* For clearing, saving, restoring address expansion variables. We have to have the size of this vector set explicitly, because it is referenced from more than one module. */ extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT]; /* General global variables */ extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */ extern int body_8bitmime; /* sender declared BODY= ; 7=7BIT, 8=8BITMIME */ extern header_line *acl_added_headers; /* Headers added by an ACL */ extern tree_node *acl_anchor; /* Tree of named ACLs */ extern uschar *acl_arg[9]; /* Argument to ACL call */ extern int acl_narg; /* Number of arguments to ACL call */ extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */ #ifdef WITH_CONTENT_SCAN extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */ #endif extern uschar *acl_not_smtp_start; /* ACL run at the beginning of a non-SMTP session */ extern uschar *acl_removed_headers; /* Headers deleted by an ACL */ extern uschar *acl_smtp_auth; /* ACL run for AUTH */ extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */ extern uschar *acl_smtp_data; /* ACL run after DATA received */ #ifdef EXPERIMENTAL_PRDR extern uschar *acl_smtp_data_prdr; /* ACL run after DATA received if in PRDR mode*/ const extern pcre *regex_PRDR; /* For recognizing PRDR settings */ #endif #ifndef DISABLE_DKIM extern uschar *acl_smtp_dkim; /* ACL run for DKIM signatures / domains */ #endif extern uschar *acl_smtp_etrn; /* ACL run for ETRN */ extern uschar *acl_smtp_expn; /* ACL run for EXPN */ extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */ extern uschar *acl_smtp_mail; /* ACL run for MAIL */ extern uschar *acl_smtp_mailauth; /* ACL run for MAIL AUTH */ #ifdef WITH_CONTENT_SCAN extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */ #endif extern uschar *acl_smtp_notquit; /* ACL run for disconnects */ extern uschar *acl_smtp_predata; /* ACL run for DATA command */ extern uschar *acl_smtp_quit; /* ACL run for QUIT */ extern uschar *acl_smtp_rcpt; /* ACL run for RCPT */ extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */ extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */ extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */ extern tree_node *acl_var_c; /* ACL connection variables */ extern tree_node *acl_var_m; /* ACL messsage variables */ extern uschar *acl_verify_message; /* User message for verify failure */ extern string_item *acl_warn_logged; /* Logged lines */ extern uschar *acl_wherecodes[]; /* Response codes for ACL fails */ extern uschar *acl_wherenames[]; /* Names for messages */ extern BOOL active_local_from_check;/* For adding Sender: (switchable) */ extern BOOL active_local_sender_retain; /* For keeping Sender: (switchable) */ extern address_item *addr_duplicate; /* Duplicate address list */ extern address_item address_defaults; /* Default data for address item */ extern uschar *address_file; /* Name of file when delivering to one */ extern uschar *address_pipe; /* Pipe command when delivering to one */ extern BOOL address_test_mode; /* True for -bt */ extern tree_node *addresslist_anchor; /* Tree of defined address lists */ extern int addresslist_count; /* Number defined */ extern gid_t *admin_groups; /* List of admin groups */ extern BOOL admin_user; /* True if caller can do admin */ extern BOOL allow_auth_unadvertised;/* As it says */ extern BOOL allow_domain_literals; /* As it says */ extern BOOL allow_mx_to_ip; /* Allow MX records to -> ip address */ extern BOOL allow_unqualified_recipient; /* As it says */ extern BOOL allow_unqualified_sender; /* Ditto */ extern BOOL allow_utf8_domains; /* For experimenting */ extern uschar *authenticated_id; /* ID that was authenticated */ extern uschar *authenticated_sender; /* From AUTH on MAIL */ extern BOOL authentication_failed; /* TRUE if AUTH was tried and failed */ extern uschar *auth_advertise_hosts; /* Only advertise to these */ extern auth_info auths_available[]; /* Vector of available auth mechanisms */ extern auth_instance *auths; /* Chain of instantiated auths */ extern auth_instance auth_defaults; /* Default values */ extern uschar *auth_defer_msg; /* Error message for log */ extern uschar *auth_defer_user_msg; /* Error message for user */ extern uschar *auth_vars[]; /* $authn variables */ extern int auto_thaw; /* Auto-thaw interval */ #ifdef WITH_CONTENT_SCAN extern BOOL av_failed; /* TRUE if the AV process failed */ extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */ #endif extern BOOL background_daemon; /* Set FALSE to keep in foreground */ extern uschar *base62_chars; /* Table of base-62 characters */ extern uschar *bi_command; /* Command for -bi option */ extern uschar *big_buffer; /* Used for various temp things */ extern int big_buffer_size; /* Current size (can expand) */ #ifdef EXPERIMENTAL_BRIGHTMAIL extern uschar *bmi_alt_location; /* expansion variable that contains the alternate location for the rcpt (available during routing) */ extern uschar *bmi_base64_tracker_verdict; /* expansion variable with base-64 encoded OLD verdict string (available during routing) */ extern uschar *bmi_base64_verdict; /* expansion variable with base-64 encoded verdict string (available during routing) */ extern uschar *bmi_config_file; /* Brightmail config file */ extern int bmi_deliver; /* Flag that determines if the message should be delivered to the rcpt (available during routing) */ extern int bmi_run; /* Flag that determines if message should be run through Brightmail server */ extern uschar *bmi_verdicts; /* BASE64-encoded verdicts with recipient lists */ #endif extern uschar *bounce_message_file; /* Template file */ extern uschar *bounce_message_text; /* One-liner */ extern uschar *bounce_recipient; /* When writing an errmsg */ extern BOOL bounce_return_body; /* Include body in returned message */ extern BOOL bounce_return_message; /* Include message in bounce */ extern int bounce_return_size_limit; /* Max amount to return */ extern uschar *bounce_sender_authentication; /* AUTH address for bounces */ extern int bsmtp_transaction_linecount; /* Start of last transaction */ extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */ extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */ extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */ extern int callout_cache_negative_expire; /* Time for negative callout cache records to expire */ extern uschar *callout_random_local_part; /* Local part to be used to check if server called will accept any local part */ extern uschar *check_dns_names_pattern;/* Regex for syntax check */ extern int check_log_inodes; /* Minimum for message acceptance */ extern int check_log_space; /* Minimum for message acceptance */ extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */ extern int check_spool_inodes; /* Minimum for message acceptance */ extern int check_spool_space; /* Minimum for message acceptance */ extern uschar *client_authenticator; /* Authenticator name used for smtp delivery */ extern uschar *client_authenticated_id; /* "login" name used for SMTP AUTH */ extern uschar *client_authenticated_sender; /* AUTH option to SMTP MAIL FROM (not yet used) */ extern int clmacro_count; /* Number of command line macros */ extern uschar *clmacros[]; /* Copy of them, for re-exec */ extern int connection_max_messages;/* Max down one SMTP connection */ extern BOOL config_changed; /* True if -C used */ extern FILE *config_file; /* Configuration file */ extern uschar *config_filename; /* Configuration file name */ #ifdef CONFIGURE_GROUP extern gid_t config_gid; /* Additional group owner */ #endif extern int config_lineno; /* Line number */ extern uschar *config_main_filelist; /* List of possible config files */ extern uschar *config_main_filename; /* File name actually used */ #ifdef CONFIGURE_OWNER extern uid_t config_uid; /* Additional owner */ #endif extern uschar *continue_hostname; /* Host for continued delivery */ extern uschar *continue_host_address; /* IP address for ditto */ extern BOOL continue_more; /* Flag more addresses waiting */ extern int continue_sequence; /* Sequence num for continued delivery */ extern uschar *continue_transport; /* Transport for continued delivery */ extern uschar *csa_status; /* Client SMTP Authorization result */ extern BOOL cutthrough_delivery; /* Deliver in foreground */ extern int cutthrough_fd; /* Connection for ditto */ extern BOOL daemon_listen; /* True if listening required */ extern uschar *daemon_smtp_port; /* Can be a list of ports */ extern int daemon_startup_retries; /* Number of times to retry */ extern int daemon_startup_sleep; /* Sleep between retries */ #ifdef EXPERIMENTAL_DCC extern BOOL dcc_direct_add_header; /* directly add header */ extern uschar *dcc_header; /* dcc header */ extern uschar *dcc_result; /* dcc result */ extern uschar *dccifd_address; /* address of the dccifd daemon */ extern uschar *dccifd_options; /* options for the dccifd daemon */ #endif extern BOOL debug_daemon; /* Debug the daemon process only */ extern int debug_fd; /* The fd for debug_file */ extern FILE *debug_file; /* Where to write debugging info */ extern bit_table debug_options[]; /* Table of debug options */ extern int debug_options_count; /* Size of table */ extern int delay_warning[]; /* Times between warnings */ extern uschar *delay_warning_condition; /* Condition string for warnings */ extern BOOL delivery_date_remove; /* Remove delivery-date headers */ extern uschar *deliver_address_data; /* Arbitrary data for an address */ extern int deliver_datafile; /* FD for data part of message */ extern uschar *deliver_domain; /* The local domain for delivery */ extern uschar *deliver_domain_data; /* From domain lookup */ extern uschar *deliver_domain_orig; /* The original local domain for delivery */ extern uschar *deliver_domain_parent; /* The parent domain for delivery */ extern BOOL deliver_drop_privilege; /* TRUE for unprivileged delivery */ extern BOOL deliver_firsttime; /* True for first delivery attempt */ extern BOOL deliver_force; /* TRUE if delivery was forced */ extern BOOL deliver_freeze; /* TRUE if delivery is frozen */ extern int deliver_frozen_at; /* Time of freezing */ extern uschar *deliver_home; /* Home directory for pipes */ extern uschar *deliver_host; /* (First) host for routed local deliveries */ /* Remote host for filter */ extern uschar *deliver_host_address; /* Address for remote delivery filter */ extern uschar *deliver_in_buffer; /* Buffer for copying file */ extern ino_t deliver_inode; /* Inode for appendfile */ extern uschar *deliver_localpart; /* The local part for delivery */ extern uschar *deliver_localpart_data; /* From local part lookup */ extern uschar *deliver_localpart_orig; /* The original local part for delivery */ extern uschar *deliver_localpart_parent; /* The parent local part for delivery */ extern uschar *deliver_localpart_prefix; /* The stripped prefix, if any */ extern uschar *deliver_localpart_suffix; /* The stripped suffix, if any */ extern BOOL deliver_force_thaw; /* TRUE to force thaw in queue run */ extern BOOL deliver_manual_thaw; /* TRUE if manually thawed */ extern uschar *deliver_out_buffer; /* Buffer for copying file */ extern int deliver_queue_load_max; /* Different value for queue running */ extern address_item *deliver_recipients; /* Current set of addresses */ extern uschar *deliver_selectstring; /* For selecting by recipient */ extern BOOL deliver_selectstring_regex; /* String is regex */ extern uschar *deliver_selectstring_sender; /* For selecting by sender */ extern BOOL deliver_selectstring_sender_regex; /* String is regex */ #ifdef WITH_OLD_DEMIME extern int demime_errorlevel; /* Severity of MIME error */ extern int demime_ok; /* Nonzero if message has been demimed */ extern uschar *demime_reason; /* Reason for broken MIME container */ #endif extern BOOL disable_callout_flush; /* Don't flush before callouts */ extern BOOL disable_delay_flush; /* Don't flush before "delay" in ACL */ #ifdef ENABLE_DISABLE_FSYNC extern BOOL disable_fsync; /* Not for normal use */ #endif extern BOOL disable_ipv6; /* Don't do any IPv6 things */ extern BOOL disable_logging; /* Disables log writing when TRUE */ #ifndef DISABLE_DKIM extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */ extern uschar *dkim_signers; /* Expansion variable, holds colon-separated list of domains and identities that have signed a message */ extern uschar *dkim_signing_domain; /* Expansion variable, domain used for signing a message. */ extern uschar *dkim_signing_selector; /* Expansion variable, selector used for signing a message. */ extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */ extern BOOL dkim_collect_input; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */ extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */ #endif #ifdef EXPERIMENTAL_DMARC extern BOOL dmarc_has_been_checked; /* Global variable to check if test has been called yet */ extern uschar *dmarc_ar_header; /* Expansion variable, suggested header for dmarc auth results */ extern uschar *dmarc_forensic_sender; /* Set sender address for forensic reports */ extern uschar *dmarc_history_file; /* Expansion variable, file to store dmarc results */ extern uschar *dmarc_status; /* Expansion variable, one word value */ extern uschar *dmarc_status_text; /* Expansion variable, human readable value */ extern uschar *dmarc_tld_file; /* Mozilla TLDs text file */ extern uschar *dmarc_used_domain; /* Expansion variable, domain libopendmarc chose for DMARC policy lookup */ extern BOOL dmarc_disable_verify; /* Set via ACL control statement. When set, DMARC verification is disabled for the current message */ extern BOOL dmarc_enable_forensic; /* Set via ACL control statement. When set, DMARC forensic reports are enabled for the current message */ #endif extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */ extern int dns_csa_search_limit; /* How deep to search for CSA SRV records */ extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */ extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */ extern int dns_retrans; /* Retransmission time setting */ extern int dns_retry; /* Number of retries */ extern int dns_dnssec_ok; /* When constructing DNS query, set DO flag */ extern int dns_use_edns0; /* Coerce EDNS0 support on/off in resolver. */ extern uschar *dnslist_domain; /* DNS (black) list domain */ extern uschar *dnslist_matched; /* DNS (black) list matched key */ extern uschar *dnslist_text; /* DNS (black) list text message */ extern uschar *dnslist_value; /* DNS (black) list IP address */ extern tree_node *domainlist_anchor; /* Tree of defined domain lists */ extern int domainlist_count; /* Number defined */ extern BOOL dont_deliver; /* TRUE for -N option */ extern BOOL dot_ends; /* TRUE if "." ends non-SMTP input */ /* This option is now a no-opt, retained for compatibility */ extern BOOL drop_cr; /* For broken local MUAs */ extern uschar *dsn_from; /* From: string for DSNs */ extern BOOL enable_dollar_recipients; /* Make $recipients available */ extern int envelope_to_remove; /* Remove envelope_to_headers */ extern int errno_quota; /* Quota errno in this OS */ extern int error_handling; /* Error handling style */ extern uschar *errors_copy; /* For taking copies of errors */ extern uschar *errors_reply_to; /* Reply-to for error messages */ extern int errors_sender_rc; /* Return after message to sender*/ extern gid_t exim_gid; /* To be used with exim_uid */ extern BOOL exim_gid_set; /* TRUE if exim_gid set */ extern uschar *exim_path; /* Path to exec exim */ extern const uschar *exim_sieve_extension_list[]; /* list of sieve extensions */ extern uid_t exim_uid; /* Non-root uid for exim */ extern BOOL exim_uid_set; /* TRUE if exim_uid set */ extern int expand_forbid; /* RDO flags for forbidding things */ extern int expand_nlength[]; /* Lengths of numbered strings */ extern int expand_nmax; /* Max numerical value */ extern uschar *expand_nstring[]; /* Numbered strings */ extern BOOL expand_string_forcedfail; /* TRUE if failure was "expected" */ extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */ extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */ extern int fake_response; /* Fake FAIL or DEFER response to data */ extern uschar *fake_response_text; /* User defined message for the above. Default is in globals.c. */ extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */ extern BOOL filter_running; /* TRUE while running a filter */ extern int filter_sn[FILTER_VARIABLE_COUNT]; /* variables set by system filter */ extern int filter_test; /* Filter test type */ extern uschar *filter_test_sfile; /* System filter test file */ extern uschar *filter_test_ufile; /* User filter test file */ extern uschar *filter_thisaddress; /* For address looping */ extern int finduser_retries; /* Retry count for getpwnam() */ extern uid_t fixed_never_users[]; /* Can't be overridden */ #ifdef WITH_OLD_DEMIME extern uschar *found_extension; /* demime acl condition: file extension found */ #endif extern uschar *freeze_tell; /* Message on (some) freezings */ extern uschar *freeze_tell_config; /* The configured setting */ extern uschar *fudged_queue_times; /* For use in test harness */ extern uschar *gecos_name; /* To be expanded when pattern matches */ extern uschar *gecos_pattern; /* Pattern to match */ extern rewrite_rule *global_rewrite_rules; /* Chain of rewriting rules */ extern int header_insert_maxlen; /* Max for inserting headers */ extern int header_maxsize; /* Max total length for header */ extern int header_line_maxsize; /* Max for an individual line */ extern header_name header_names[]; /* Table of header names */ extern int header_names_size; /* Number of entries */ extern BOOL header_rewritten; /* TRUE if header changed by router */ extern uschar *helo_accept_junk_hosts; /* Allowed to use junk arg */ extern uschar *helo_allow_chars; /* Rogue chars to allow in HELO/EHLO */ extern uschar *helo_lookup_domains; /* If these given, lookup host name */ extern uschar *helo_try_verify_hosts; /* Soft check HELO argument for these */ extern BOOL helo_verified; /* True if HELO verified */ extern BOOL helo_verify_failed; /* True if attempt failed */ extern uschar *helo_verify_hosts; /* Hard check HELO argument for these */ extern const uschar *hex_digits; /* Used in several places */ extern uschar *hold_domains; /* Hold up deliveries to these */ extern BOOL host_find_failed_syntax;/* DNS syntax check failure */ extern BOOL host_checking_callout; /* TRUE if real callout wanted */ extern uschar *host_data; /* Obtained from lookup in ACL */ extern uschar *host_lookup; /* For which IP addresses are always looked up */ extern BOOL host_lookup_deferred; /* TRUE if lookup deferred */ extern BOOL host_lookup_failed; /* TRUE if lookup failed */ extern uschar *host_lookup_order; /* Order of host lookup types */ extern uschar *host_lookup_msg; /* Text for why it failed */ extern int host_number; /* For sharing spools */ extern uschar *host_number_string; /* For expanding */ extern uschar *host_reject_connection; /* Reject these hosts */ extern tree_node *hostlist_anchor; /* Tree of defined host lists */ extern int hostlist_count; /* Number defined */ extern uschar *hosts_connection_nolog; /* Limits the logging option */ extern uschar *hosts_treat_as_local; /* For routing */ extern int ignore_bounce_errors_after; /* Keep them for this time. */ extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */ extern uschar *ignore_fromline_hosts; /* Hosts permitted to send "From " */ extern BOOL inetd_wait_mode; /* Whether running in inetd wait mode */ extern int inetd_wait_timeout; /* Timeout for inetd wait mode */ extern BOOL is_inetd; /* True for inetd calls */ extern uschar *iterate_item; /* Item from iterate list */ extern int journal_fd; /* Fd for journal file */ extern int keep_malformed; /* Time to keep malformed messages */ extern uschar *eldap_dn; /* Where LDAP DNs are left */ extern int load_average; /* Most recently read load average */ extern BOOL local_error_message; /* True if handling one of these */ extern BOOL local_from_check; /* For adding Sender: (global value) */ extern uschar *local_from_prefix; /* Permitted prefixes */ extern uschar *local_from_suffix; /* Permitted suffixes */ extern uschar *local_interfaces; /* For forcing specific interfaces */ extern uschar *local_scan_data; /* Text returned by local_scan() */ extern optionlist local_scan_options[];/* Option list for local_scan() */ extern int local_scan_options_count; /* Size of the list */ extern int local_scan_timeout; /* Timeout for local_scan() */ extern BOOL local_sender_retain; /* Retain Sender: (with no From: check) */ extern gid_t local_user_gid; /* As it says; may be set in routers */ extern uid_t local_user_uid; /* As it says; may be set in routers */ extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */ extern int localpartlist_count; /* Number defined */ extern uschar *log_buffer; /* For constructing log entries */ extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */ extern uschar *log_file_path; /* If unset, use default */ extern bit_table log_options[]; /* Table of options */ extern int log_options_count; /* Size of table */ extern int log_reject_target; /* Target log for ACL rejections */ extern uschar *log_selector_string; /* As supplied in the config */ extern FILE *log_stderr; /* Copy of stderr for log use, or NULL */ extern BOOL log_testing_mode; /* TRUE in various testing modes */ extern BOOL log_timezone; /* TRUE to include the timezone in log lines */ extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */ extern uschar *login_sender_address; /* The actual sender address */ extern lookup_info **lookup_list; /* Array of pointers to available lookups */ extern int lookup_list_count; /* Number of entries in the list */ extern int lookup_open_max; /* Max lookup files to cache */ extern uschar *lookup_value; /* Value looked up from file */ extern macro_item *macros; /* Configuration macros */ extern uschar *mailstore_basename; /* For mailstore deliveries */ #ifdef WITH_CONTENT_SCAN extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */ #endif extern int max_received_linelength;/* What it says */ extern int max_username_length; /* For systems with broken getpwnam() */ extern int message_age; /* In seconds */ extern uschar *message_body; /* Start of message body for filter */ extern uschar *message_body_end; /* End of message body for filter */ extern BOOL message_body_newlines; /* FALSE => remove newlines */ extern int message_body_size; /* Sic */ extern int message_body_visible; /* Amount visible in message_body */ extern int message_ended; /* State of message reading and how ended */ extern uschar *message_headers; /* When built */ extern uschar message_id_option[]; /* -E for use as option */ extern uschar *message_id_external; /* External form of following */ extern uschar *message_id_domain; /* Expanded to form domain-part of message_id */ extern uschar *message_id_text; /* Expanded to form message_id */ extern struct timeval message_id_tv; /* Time used to create last message_id */ extern int message_linecount; /* As it says */ extern BOOL message_logs; /* TRUE to write message logs */ extern int message_size; /* Size of message */ extern uschar *message_size_limit; /* As it says */ extern uschar message_subdir[]; /* Subdirectory for messages */ extern uschar *message_reference; /* Reference for error messages */ /* MIME ACL expandables */ #ifdef WITH_CONTENT_SCAN extern int mime_anomaly_level; extern const uschar *mime_anomaly_text; extern uschar *mime_boundary; extern uschar *mime_charset; extern uschar *mime_content_description; extern uschar *mime_content_disposition; extern uschar *mime_content_id; extern unsigned int mime_content_size; extern uschar *mime_content_transfer_encoding; extern uschar *mime_content_type; extern uschar *mime_decoded_filename; extern uschar *mime_filename; extern int mime_is_multipart; extern int mime_is_coverletter; extern int mime_is_rfc822; extern int mime_part_count; #endif extern BOOL mua_wrapper; /* TRUE when Exim is wrapping an MUA */ extern uid_t *never_users; /* List of uids never to be used */ #ifdef WITH_CONTENT_SCAN extern BOOL no_mbox_unspool; /* don't unlink files in /scan directory */ #endif extern BOOL no_multiline_responses; /* For broken clients */ extern optionlist optionlist_auths[]; /* These option lists are made */ extern int optionlist_auths_size; /* global so that readconf can */ extern optionlist optionlist_routers[]; /* see them for printing out */ extern int optionlist_routers_size; /* the options. */ extern optionlist optionlist_transports[]; extern int optionlist_transports_size; extern uid_t original_euid; /* Original effective uid */ extern gid_t originator_gid; /* Gid of whoever wrote spool file */ extern uschar *originator_login; /* Login of same */ extern uschar *originator_name; /* Full name of same */ extern uid_t originator_uid; /* Uid of ditto */ extern uschar *override_local_interfaces; /* Value of -oX argument */ extern uschar *override_pid_file_path; /* Value of -oP argument */ extern BOOL parse_allow_group; /* Allow group syntax */ extern BOOL parse_found_group; /* In the middle of a group */ extern uschar *percent_hack_domains; /* Local domains for which '% operates */ extern uschar *pid_file_path; /* For writing daemon pids */ extern uschar *pipelining_advertise_hosts; /* As it says */ extern BOOL pipelining_enable; /* As it says */ #ifdef EXPERIMENTAL_PRDR extern BOOL prdr_enable; /* As it says */ extern BOOL prdr_requested; /* Connecting mail server wants PRDR */ #endif extern BOOL preserve_message_logs; /* Save msglog files */ extern uschar *primary_hostname; /* Primary name of this computer */ extern BOOL print_topbitchars; /* Topbit chars are printing chars */ extern uschar process_info[]; /* For SIGUSR1 output */ extern int process_info_len; extern uschar *process_log_path; /* Alternate path */ extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */ extern uschar *prvscheck_address; /* Set during prvscheck expansion item */ extern uschar *prvscheck_keynum; /* Set during prvscheck expansion item */ extern uschar *prvscheck_result; /* Set during prvscheck expansion item */ extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */ extern uschar *qualify_domain_sender; /* Domain to qualify senders with */ extern BOOL queue_2stage; /* Run queue in 2-stage manner */ extern uschar *queue_domains; /* Queue these domains */ extern BOOL queue_list_requires_admin; /* TRUE if -bp requires admin */ extern BOOL queue_run_first_delivery; /* If TRUE, first deliveries only */ extern BOOL queue_run_force; /* TRUE to force during queue run */ extern BOOL queue_run_local; /* Local deliveries only in queue run */ extern BOOL queue_running; /* TRUE for queue running process and */ /* immediate children */ extern pid_t queue_run_pid; /* PID of the queue running process or 0 */ extern int queue_run_pipe; /* Pipe for synchronizing */ extern int queue_interval; /* Queue running interval */ extern BOOL queue_only; /* TRUE to disable immediate delivery */ extern int queue_only_load; /* Max load before auto-queue */ extern BOOL queue_only_load_latch; /* Latch queue_only_load TRUE */ extern uschar *queue_only_file; /* Queue if file exists/not-exists */ extern BOOL queue_only_override; /* Allow override from command line */ extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */ extern BOOL queue_run_in_order; /* As opposed to random */ extern int queue_run_max; /* Max queue runners */ extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/ extern uschar *queue_smtp_domains; /* Ditto, for these domains */ extern unsigned int random_seed; /* Seed for random numbers */ extern tree_node *ratelimiters_cmd; /* Results of command ratelimit checks */ extern tree_node *ratelimiters_conn; /* Results of connection ratelimit checks */ extern tree_node *ratelimiters_mail; /* Results of per-mail ratelimit checks */ extern uschar *raw_active_hostname; /* Pre-expansion */ extern uschar *raw_sender; /* Before rewriting */ extern uschar **raw_recipients; /* Before rewriting */ extern int raw_recipients_count; extern int rcpt_count; /* Count of RCPT commands in a message */ extern int rcpt_fail_count; /* Those that got 5xx */ extern int rcpt_defer_count; /* Those that got 4xx */ extern gid_t real_gid; /* Real gid */ extern uid_t real_uid; /* Real user running program */ extern BOOL really_exim; /* FALSE in utilities */ extern BOOL receive_call_bombout; /* Flag for crashing log */ extern int receive_linecount; /* Mainly for BSMTP errors */ extern int receive_messagecount; /* Mainly for BSMTP errors */ extern int receive_timeout; /* For non-SMTP acceptance */ extern int received_count; /* Count of Received: headers */ extern uschar *received_for; /* For "for" field */ extern uschar *received_header_text; /* Definition of Received: header */ extern int received_headers_max; /* Max count of Received: headers */ extern int received_time; /* Time the message was received */ extern uschar *recipient_data; /* lookup data for recipients */ extern uschar *recipient_unqualified_hosts; /* Permitted unqualified recipients */ extern uschar *recipient_verify_failure; /* What went wrong */ extern BOOL recipients_discarded; /* By an ACL */ extern int recipients_list_max; /* Maximum number fitting in list */ extern int recipients_max; /* Max permitted */ extern int recipients_max_reject; /* If TRUE, reject whole message */ extern const pcre *regex_AUTH; /* For recognizing AUTH settings */ extern const pcre *regex_check_dns_names; /* For DNS name checking */ extern const pcre *regex_From; /* For recognizing "From_" lines */ extern const pcre *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */ extern const pcre *regex_PIPELINING; /* For recognizing PIPELINING */ extern const pcre *regex_SIZE; /* For recognizing SIZE settings */ extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */ extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */ #ifdef WHITELIST_D_MACROS extern const pcre *regex_whitelisted_macro; /* For -D macro values */ #endif #ifdef WITH_CONTENT_SCAN extern uschar *regex_match_string; /* regex that matched a line (regex ACL condition) */ #endif extern int remote_delivery_count; /* Number of remote addresses */ extern int remote_max_parallel; /* Maximum parallel delivery */ extern uschar *remote_sort_domains; /* Remote domain sorting order */ extern retry_config *retries; /* Chain of retry config information */ extern int retry_data_expire; /* When to expire retry data */ extern int retry_interval_max; /* Absolute maximum */ extern int retry_maximum_timeout; /* The maximum timeout */ extern uschar *return_path; /* Return path for a message */ extern BOOL return_path_remove; /* Remove return-path headers */ extern int rewrite_existflags; /* Indicate which headers have rewrites */ extern uschar *rfc1413_hosts; /* RFC hosts */ extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */ /* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */ extern uid_t root_gid; /* The gid for root */ extern uid_t root_uid; /* The uid for root */ extern router_info routers_available[];/* Vector of available routers */ extern router_instance *routers; /* Chain of instantiated routers */ extern router_instance router_defaults;/* Default values */ extern uschar *router_name; /* Name of router last started */ extern BOOL running_in_test_harness; /*TRUE when running_status is patched */ extern ip_address_item *running_interfaces; /* Host's running interfaces */ extern uschar *running_status; /* Flag string for testing */ extern int runrc; /* rc from ${run} */ extern uschar *search_error_message; /* Details of lookup problem */ extern BOOL search_find_defer; /* Set TRUE if lookup deferred */ extern uschar *self_hostname; /* Self host after routing->directors */ extern unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender */ extern uschar *sender_address_data; /* address_data from sender verify */ extern BOOL sender_address_forced; /* Set by -f */ extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */ extern uschar *sender_data; /* lookup result for senders */ extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */ extern uschar *sender_fullhost; /* Sender host name + address */ extern uschar *sender_helo_name; /* Host name from HELO/EHLO */ extern uschar **sender_host_aliases; /* Points to list of alias names */ extern unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */ extern BOOL sender_host_dnssec; /* true if sender_host_name verified in DNSSEC */ extern BOOL sender_host_notsocket; /* Set for -bs and -bS */ extern BOOL sender_host_unknown; /* TRUE for -bs and -bS except inetd */ extern uschar *sender_ident; /* Sender identity via RFC 1413 */ extern BOOL sender_local; /* TRUE for local senders */ extern BOOL sender_name_forced; /* Set by -F */ extern uschar *sender_rate; /* Sender rate computed by ACL */ extern uschar *sender_rate_limit; /* Configured rate limit */ extern uschar *sender_rate_period; /* Configured smoothing period */ extern uschar *sender_rcvhost; /* Host data for Received: */ extern BOOL sender_set_untrusted; /* Sender set by untrusted caller */ extern uschar *sender_unqualified_hosts; /* Permitted unqualified senders */ extern uschar *sender_verify_failure; /* What went wrong */ extern address_item *sender_verified_list; /* Saved chain of sender verifies */ extern address_item *sender_verified_failed; /* The one that caused denial */ extern uschar *sending_ip_address; /* Address of outgoing (SMTP) interface */ extern int sending_port; /* Port of outgoing interface */ extern SIGNAL_BOOL sigalrm_seen; /* Flag for sigalrm_handler */ extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */ extern int smtp_accept_count; /* Count of connections */ extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */ extern int smtp_accept_max; /* Max SMTP connections */ extern int smtp_accept_max_nonmail;/* Max non-mail commands in one con */ extern uschar *smtp_accept_max_nonmail_hosts; /* Limit non-mail cmds from these hosts */ extern int smtp_accept_max_per_connection; /* Max msgs per connection */ extern uschar *smtp_accept_max_per_host; /* Max SMTP cons from one IP addr */ extern int smtp_accept_queue; /* Queue after so many connections */ extern int smtp_accept_queue_per_connection; /* Queue after so many msgs */ extern int smtp_accept_reserve; /* Reserve these SMTP connections */ extern uschar *smtp_active_hostname; /* Hostname for this message */ extern BOOL smtp_authenticated; /* Sending client has authenticated */ extern uschar *smtp_banner; /* Banner string (to be expanded) */ extern BOOL smtp_check_spool_space; /* TRUE to check SMTP SIZE value */ extern int smtp_ch_index; /* Index in smtp_connection_had */ extern uschar *smtp_cmd_argument; /* For all SMTP commands */ extern uschar *smtp_cmd_buffer; /* SMTP command buffer */ extern time_t smtp_connection_start; /* Start time of SMTP connection */ extern uschar smtp_connection_had[]; /* Recent SMTP commands */ extern int smtp_connect_backlog; /* Max backlog permitted */ extern double smtp_delay_mail; /* Current MAIL delay */ extern double smtp_delay_rcpt; /* Current RCPT delay */ extern BOOL smtp_enforce_sync; /* Enforce sync rules */ extern uschar *smtp_etrn_command; /* Command to run */ extern BOOL smtp_etrn_serialize; /* Only one at once */ extern FILE *smtp_in; /* Incoming SMTP input file */ extern int smtp_load_reserve; /* Only from reserved if load > this */ extern int smtp_mailcmd_count; /* Count of MAIL commands */ extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */ extern int smtp_max_unknown_commands; /* As it says */ extern uschar *smtp_notquit_reason; /* Global for disconnect reason */ extern FILE *smtp_out; /* Incoming SMTP output file */ extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */ extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */ extern uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */ extern uschar *smtp_read_error; /* Message for SMTP input error */ extern int smtp_receive_timeout; /* Applies to each received line */ extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */ extern BOOL smtp_return_error_details; /* TRUE to return full info */ extern int smtp_rlm_base; /* Base interval for MAIL rate limit */ extern double smtp_rlm_factor; /* Factor for MAIL rate limit */ extern int smtp_rlm_limit; /* Max delay */ extern int smtp_rlm_threshold; /* Threshold for RCPT rate limit */ extern int smtp_rlr_base; /* Base interval for RCPT rate limit */ extern double smtp_rlr_factor; /* Factor for RCPT rate limit */ extern int smtp_rlr_limit; /* Max delay */ extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */ extern BOOL smtp_use_pipelining; /* Global for passed connections */ extern BOOL smtp_use_size; /* Global for passed connections */ #ifdef WITH_CONTENT_SCAN extern uschar *spamd_address; /* address for the spamassassin daemon */ extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */ extern uschar *spam_report; /* the spamd report (multiline) */ extern uschar *spam_score; /* the spam score (float) */ extern uschar *spam_score_int; /* spam_score * 10 (int) */ #endif #ifdef EXPERIMENTAL_SPF extern uschar *spf_guess; /* spf best-guess record */ extern uschar *spf_header_comment; /* spf header comment */ extern uschar *spf_received; /* Received-SPF: header */ extern uschar *spf_result; /* spf result in string form */ extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */ #endif extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */ extern uschar *spool_directory; /* Name of spool directory */ #ifdef EXPERIMENTAL_SRS extern uschar *srs_config; /* SRS config secret:max age:hash length:use timestamp:use hash */ extern uschar *srs_db_address; /* SRS db address */ extern uschar *srs_db_key; /* SRS db key */ extern int srs_hashlength; /* SRS hash length */ extern int srs_hashmin; /* SRS minimum hash length */ extern int srs_maxage; /* SRS max age */ extern uschar *srs_orig_sender; /* SRS original sender */ extern uschar *srs_orig_recipient; /* SRS original recipient */ extern uschar *srs_recipient; /* SRS recipient */ extern uschar *srs_secrets; /* SRS secrets list */ extern uschar *srs_status; /* SRS staus */ extern BOOL srs_usehash; /* SRS use hash flag */ extern BOOL srs_usetimestamp; /* SRS use timestamp flag */ #endif extern BOOL strict_acl_vars; /* ACL variables have to be set before being used */ extern int string_datestamp_offset;/* After insertion by string_format */ extern int string_datestamp_length;/* After insertion by string_format */ extern int string_datestamp_type; /* After insertion by string_format */ extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */ extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */ extern uschar *submission_domain; /* Domain for submission mode */ extern BOOL submission_mode; /* Can be forced from ACL */ extern uschar *submission_name; /* User name set from ACL */ extern BOOL suppress_local_fixups; /* Can be forced from ACL */ extern BOOL suppress_local_fixups_default; /* former is reset to this; override with -G */ extern BOOL synchronous_delivery; /* TRUE if -odi is set */ extern BOOL syslog_duplication; /* FALSE => no duplicate logging */ extern int syslog_facility; /* As defined by Syslog.h */ extern uschar *syslog_processname; /* 'ident' param to openlog() */ extern BOOL syslog_timestamp; /* TRUE if time on syslogs */ extern uschar *system_filter; /* Name of system filter file */ extern uschar *system_filter_directory_transport; /* Transports for the */ extern uschar *system_filter_file_transport; /* system filter */ extern uschar *system_filter_pipe_transport; extern uschar *system_filter_reply_transport; extern gid_t system_filter_gid; /* Gid for running system filter */ extern BOOL system_filter_gid_set; /* TRUE if gid set */ extern uid_t system_filter_uid; /* Uid for running system filter */ extern BOOL system_filter_uid_set; /* TRUE if uid set */ extern BOOL system_filtering; /* TRUE when running system filter */ extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */ #ifdef USE_TCP_WRAPPERS extern uschar *tcp_wrappers_daemon_name; /* tcpwrappers daemon lookup name */ #endif extern int test_harness_load_avg; /* For use when testing */ extern int thismessage_size_limit; /* Limit for this message */ extern int timeout_frozen_after; /* Max time to keep frozen messages */ extern BOOL timestamps_utc; /* Use UTC for all times */ extern uschar *transport_name; /* Name of transport last started */ extern int transport_count; /* Count of bytes transported */ extern int transport_newlines; /* Accurate count of number of newline chars transported */ extern uschar **transport_filter_argv; /* For on-the-fly filtering */ extern int transport_filter_timeout; /* Timeout for same */ extern BOOL transport_filter_timed_out; /* True if it did */ extern transport_info transports_available[]; /* Vector of available transports */ extern transport_instance *transports; /* Chain of instantiated transports */ extern transport_instance transport_defaults; /* Default values */ extern int transport_write_timeout;/* Set to time out individual writes */ extern tree_node *tree_dns_fails; /* Tree of DNS lookup failures */ extern tree_node *tree_duplicates; /* Tree of duplicate addresses */ extern tree_node *tree_nonrecipients; /* Tree of nonrecipient addresses */ extern tree_node *tree_unusable; /* Tree of unusable addresses */ extern BOOL trusted_caller; /* Caller is trusted */ extern BOOL trusted_config; /* Configuration file is trusted */ extern gid_t *trusted_groups; /* List of trusted groups */ extern uid_t *trusted_users; /* List of trusted users */ extern uschar *timezone_string; /* Required timezone setting */ extern uschar *unknown_login; /* To use when login id unknown */ extern uschar *unknown_username; /* Ditto */ extern uschar *untrusted_set_sender; /* Let untrusted users set these senders */ extern uschar *uucp_from_pattern; /* For recognizing "From " lines */ extern uschar *uucp_from_sender; /* For building the sender */ extern uschar *warn_message_file; /* Template for warning messages */ extern uschar *warnmsg_delay; /* String form of delay time */ extern uschar *warnmsg_recipients; /* Recipients of warning message */ extern BOOL write_rejectlog; /* Control of reject logging */ extern uschar *version_copyright; /* Copyright notice */ extern uschar *version_date; /* Date of compilation */ extern uschar *version_cnumber; /* Compile number */ extern uschar *version_string; /* Version string */ extern int warning_count; /* Delay warnings sent for this msg */ /* End of globals.h */