X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/64b67b658a37dd780cc1b2fd0ef87febe461a0ba..97cfe3942f67200f77f6ae9b302409075e4e5792:/src/src/globals.h diff --git a/src/src/globals.h b/src/src/globals.h index da0a09da3..41705fb4b 100644 --- a/src/src/globals.h +++ b/src/src/globals.h @@ -3,6 +3,7 @@ *************************************************/ /* Copyright (c) University of Cambridge 1995 - 2018 */ +/* Copyright (c) The Exim Maintainers 2020 */ /* See the file NOTICE for conditions of use and distribution. */ /* Almost all the global variables are defined together in this one header, so @@ -68,6 +69,7 @@ extern uschar *redis_servers; /* List of servers and connect info */ #endif #ifdef LOOKUP_SQLITE +extern uschar *sqlite_dbfile; /* Filname for database */ extern int sqlite_lock_timeout; /* Internal lock waiting timeout */ #endif @@ -80,7 +82,7 @@ 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 */ + client_conn_ctx active; /* fd/socket when in a TLS session, and ptr to TLS context */ int bits; /* bits used in TLS session */ BOOL certificate_verified; /* Client certificate verified */ #ifdef SUPPORT_DANE @@ -88,12 +90,16 @@ typedef struct { int tlsa_usage; /* TLSA record(s) usage */ #endif uschar *cipher; /* Cipher used */ + const uschar *cipher_stdname; /* Cipher used, RFC version */ + const uschar *ver; /* TLS version */ + BOOL on_connect; /* For older MTAs that don't STARTTLS */ uschar *on_connect_ports; /* Ports always tls-on-connect */ void *ourcert; /* Certificate we presented, binary */ void *peercert; /* Certificate of peer, binary */ uschar *peerdn; /* DN from peer */ uschar *sni; /* Server Name Indication */ + uschar *channelbinding; /* b64'd data identifying channel, for authenticators */ enum { OCSP_NOT_REQ=0, /* not requested */ OCSP_NOT_RESP, /* no response to request */ @@ -101,17 +107,23 @@ typedef struct { OCSP_FAILED, /* verify failed */ OCSP_VFIED /* verified */ } ocsp; /* Stapled OCSP status */ +#ifndef DISABLE_TLS_RESUME + unsigned resumption; /* Session resumption */ + BOOL host_resumable:1; + BOOL ticket_received:1; +#endif + BOOL verify_override:1; /* certificate_verified only due to tls_try_verify_hosts */ + BOOL ext_master_secret:1; /* extended-master-secret was used */ } tls_support; extern tls_support tls_in; extern tls_support tls_out; -#ifdef SUPPORT_TLS +#ifndef DISABLE_TLS extern BOOL gnutls_compat_mode; /* Less security, more compatibility */ extern BOOL gnutls_allow_auto_pkcs11; /* Let GnuTLS autoload PKCS11 modules */ extern uschar *openssl_options; /* OpenSSL compatibility options */ extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */ 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 */ @@ -122,9 +134,14 @@ extern uschar *tls_ocsp_file; /* OCSP stapling proof file */ extern uschar *tls_privatekey; /* Private key file */ extern BOOL tls_remember_esmtp; /* For YAEB */ extern uschar *tls_require_ciphers; /* So some can be avoided */ +# ifndef DISABLE_TLS_RESUME +extern uschar *tls_resumption_hosts; /* TLS session resumption */ +# endif 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 */ +extern int tls_watch_fd; /* for inotify of creds files */ +extern time_t tls_watch_trigger_time; /* non-0: triggered */ #endif extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */ @@ -154,6 +171,128 @@ one module. */ extern const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT]; +/* Flags for which we don't need an address ever so can use a bitfield */ + +extern struct global_flags { + BOOL acl_temp_details :1; /* TRUE to give details for 4xx error */ + BOOL active_local_from_check :1; /* For adding Sender: (switchable) */ + BOOL active_local_sender_retain :1; /* For keeping Sender: (switchable) */ + BOOL address_test_mode :1; /* True for -bt */ + BOOL admin_user :1; /* True if caller can do admin */ + BOOL allow_auth_unadvertised :1; /* As it says */ + BOOL allow_unqualified_recipient :1; /* For local messages */ /* As it says */ + BOOL allow_unqualified_sender :1; /* Reset for SMTP */ /* Ditto */ + BOOL authentication_local :1; /* TRUE if non-smtp (implicit authentication) */ + + BOOL background_daemon :1; /* Set FALSE to keep in foreground */ + + BOOL chunking_offered :1; + BOOL config_changed :1; /* True if -C used */ + BOOL continue_more :1; /* Flag more addresses waiting */ + + BOOL daemon_listen :1; /* True if listening required */ + BOOL debug_daemon :1; /* Debug the daemon process only */ + BOOL deliver_firsttime :1; /* True for first delivery attempt */ + BOOL deliver_force :1; /* TRUE if delivery was forced */ + BOOL deliver_freeze :1; /* TRUE if delivery is frozen */ + BOOL deliver_force_thaw :1; /* TRUE to force thaw in queue run */ + BOOL deliver_manual_thaw :1; /* TRUE if manually thawed */ + BOOL deliver_selectstring_regex :1; /* String is regex */ + BOOL deliver_selectstring_sender_regex :1; /* String is regex */ + BOOL disable_callout_flush :1; /* Don't flush before callouts */ + BOOL disable_delay_flush :1; /* Don't flush before "delay" in ACL */ + BOOL disable_logging :1; /* Disables log writing when TRUE */ +#ifndef DISABLE_DKIM + BOOL dkim_disable_verify :1; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */ + BOOL dkim_init_done :1; /* lazy-init status */ +#endif +#ifdef SUPPORT_DMARC + BOOL dmarc_has_been_checked :1; /* Global variable to check if test has been called yet */ + BOOL dmarc_disable_verify :1; /* Set via ACL control statement. When set, DMARC verification is disabled for the current message */ + BOOL dmarc_enable_forensic :1; /* Set via ACL control statement. When set, DMARC forensic reports are enabled for the current message */ +#endif + BOOL dont_deliver :1; /* TRUE for -N option */ + BOOL dot_ends :1; /* TRUE if "." ends non-SMTP input */ + + BOOL enable_dollar_recipients :1; /* Make $recipients available */ + BOOL expand_string_forcedfail :1; /* TRUE if failure was "expected" */ + + BOOL filter_running :1; /* TRUE while running a filter */ + + BOOL header_rewritten :1; /* TRUE if header changed by router */ + BOOL helo_verified :1; /* True if HELO verified */ + BOOL helo_verify_failed :1; /* True if attempt failed */ + BOOL host_checking_callout :1; /* TRUE if real callout wanted */ + BOOL host_find_failed_syntax :1; /* DNS syntax check failure */ + + BOOL inetd_wait_mode :1; /* Whether running in inetd wait mode */ + BOOL is_inetd :1; /* True for inetd calls */ + + BOOL local_error_message :1; /* True if handling one of these */ + BOOL log_testing_mode :1; /* TRUE in various testing modes */ + +#ifdef WITH_CONTENT_SCAN + BOOL no_mbox_unspool :1; /* don't unlink files in /scan directory */ +#endif + BOOL no_multiline_responses :1; /* For broken clients */ + + BOOL parse_allow_group :1; /* Allow group syntax */ + BOOL parse_found_group :1; /* In the middle of a group */ + BOOL pipelining_enable :1; /* As it says */ +#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS) + BOOL proxy_session_failed :1; /* TRUE if required proxy negotiation failed */ +#endif + + BOOL queue_2stage :1; /* Run queue in 2-stage manner */ + BOOL queue_only_policy :1; /* ACL or local_scan wants queue_only */ + BOOL queue_run_first_delivery :1; /* If TRUE, first deliveries only */ + BOOL queue_run_force :1; /* TRUE to force during queue run */ + BOOL queue_run_local :1; /* Local deliveries only in queue run */ + BOOL queue_running :1; /* TRUE for queue running process and */ + BOOL queue_smtp :1; /* Disable all immediate SMTP (-odqs)*/ + + BOOL really_exim :1; /* FALSE in utilities */ + BOOL receive_call_bombout :1; /* Flag for crashing log */ + BOOL recipients_discarded :1; /* By an ACL */ + BOOL running_in_test_harness :1; /*TRUE when running_status is patched */ + + BOOL search_find_defer :1; /* Set TRUE if lookup deferred */ + BOOL sender_address_forced :1; /* Set by -f */ + BOOL sender_host_notsocket :1; /* Set for -bs and -bS */ + BOOL sender_host_unknown :1; /* TRUE for -bs and -bS except inetd */ + BOOL sender_local :1; /* TRUE for local senders */ + BOOL sender_name_forced :1; /* Set by -F */ + BOOL sender_set_untrusted :1; /* Sender set by untrusted caller */ + BOOL smtp_authenticated :1; /* Sending client has authenticated */ +#ifndef DISABLE_PIPE_CONNECT + BOOL smtp_in_early_pipe_advertised :1; /* server advertised PIPE_CONNECT */ + BOOL smtp_in_early_pipe_no_auth :1; /* too many authenticator names */ + BOOL smtp_in_early_pipe_used :1; /* client did send early data */ +#endif + BOOL smtp_in_pipelining_advertised :1; /* server advertised PIPELINING */ + BOOL smtp_in_pipelining_used :1; /* server noted client using PIPELINING */ + BOOL smtp_in_quit :1; /* server noted QUIT command */ + BOOL spool_file_wireformat :1; /* current -D file has CRLF rather than NL */ + BOOL submission_mode :1; /* Can be forced from ACL */ + BOOL suppress_local_fixups :1; /* Can be forced from ACL */ + BOOL suppress_local_fixups_default :1; /* former is reset to this; override with -G */ + BOOL synchronous_delivery :1; /* TRUE if -odi is set */ + BOOL system_filtering :1; /* TRUE when running system filter */ + + BOOL taint_check_slow :1; /* malloc/mmap are not returning distinct ranges */ + BOOL testsuite_delays :1; /* interprocess sequencing delays, under testsuite */ + BOOL tcp_fastopen_ok :1; /* appears to be supported by kernel */ + BOOL tcp_in_fastopen :1; /* conn usefully used fastopen */ + BOOL tcp_in_fastopen_data :1; /* fastopen carried data */ + BOOL tcp_in_fastopen_logged :1; /* one-time logging */ + BOOL tcp_out_fastopen_logged :1; /* one-time logging */ + BOOL timestamps_utc :1; /* Use UTC for all times */ + BOOL transport_filter_timed_out :1; /* True if it did */ + BOOL trusted_caller :1; /* Caller is trusted */ + BOOL trusted_config :1; /* Configuration file is trusted */ +} f; + + /* General global variables */ extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */ @@ -193,31 +332,23 @@ 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 message 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 */ #ifdef EXPERIMENTAL_ARC -struct arc_set *arc_received; /* highest ARC instance evaluation struct */ +extern struct arc_set *arc_received; /* highest ARC instance evaluation struct */ extern int arc_received_instance; /* highest ARC instance number in headers */ extern int arc_oldest_pass; /* lowest passing instance number in headers */ extern const uschar *arc_state; /* verification state */ @@ -228,7 +359,6 @@ extern uschar *authenticated_fail_id; /* ID that failed authentication */ 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 BOOL authentication_local; /* TRUE if non-smtp (implicit authentication) */ 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 */ @@ -238,11 +368,10 @@ 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 int 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 */ @@ -275,14 +404,13 @@ extern int callout_cache_negative_expire; /* Time for negative callout cache 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 int_eximarith_t 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 int_eximarith_t check_spool_space; /* Minimum for message acceptance */ extern uschar *chunking_advertise_hosts; /* RFC 3030 CHUNKING */ extern unsigned chunking_datasize; extern unsigned chunking_data_left; -extern BOOL chunking_offered; extern chunking_state_t chunking_state; extern uschar *client_authenticator; /* Authenticator name used for smtp delivery */ extern uschar *client_authenticated_id; /* "login" name used for SMTP AUTH */ @@ -291,7 +419,6 @@ extern int clmacro_count; /* Number of command line macros */ extern uschar *clmacros[]; /* Copy of them, for re-exec */ extern BOOL commandline_checks_require_admin; /* belt and braces for insecure setups */ 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 const uschar *config_filename; /* Configuration file name */ extern gid_t config_gid; /* Additional group owner */ @@ -301,9 +428,10 @@ extern uschar *config_main_filename; /* File name actually used */ extern uschar *config_main_directory; /* Directory where the main config file was found */ extern uid_t config_uid; /* Additional owner */ extern uschar *continue_proxy_cipher; /* TLS cipher for proxied continued delivery */ +extern BOOL continue_proxy_dane; /* proxied conn is DANE */ +extern uschar *continue_proxy_sni; /* proxied conn SNI */ 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 */ @@ -314,7 +442,7 @@ typedef struct { unsigned delivery:1; /* When to attempt */ unsigned defer_pass:1; /* Pass 4xx to caller rather than spooling */ unsigned is_tls:1; /* Conn has TLS active */ - int fd; /* Open connection */ + client_conn_ctx cctx; /* Open connection */ int nrcpt; /* Count of addresses */ uschar * transport; /* Name of transport */ uschar * interface; /* (address of) */ @@ -326,7 +454,7 @@ typedef struct { } cut_t; extern cut_t cutthrough; /* Deliver-concurrently */ -extern BOOL daemon_listen; /* True if listening required */ +extern int daemon_notifier_fd; /* Unix socket for notifications */ 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 */ @@ -339,7 +467,6 @@ 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 int debug_notall[]; /* Debug options excluded from +all */ @@ -357,9 +484,6 @@ extern uschar *deliver_domain_data; /* From domain lookup */ extern const uschar *deliver_domain_orig; /* The original local domain for delivery */ extern const 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 time_t deliver_frozen_at; /* Time of freezing */ extern uschar *deliver_home; /* Home directory for pipes */ extern const uschar *deliver_host; /* (First) host for routed local deliveries */ @@ -369,44 +493,41 @@ extern int deliver_host_port; /* 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_data; /* From local part lookup (de-tainted) */ 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_prefix_v; /* The stripped-prefix variable portion, 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_localpart_suffix_v; /* The stripped-suffix variable portion, if any */ 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 */ -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 unsigned dkim_collect_input; /* Runtime count of dkim signtures; tracks wether SMTP input is fed to DKIM validation */ +extern unsigned dkim_collect_input; /* Runtime count of dkim signtures; tracks whether SMTP input is fed to DKIM validation */ extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */ -extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */ extern int dkim_key_length; /* Expansion variable, length of signing key in bits */ extern void *dkim_signatures; /* Actually a (pdkim_signature *) but most files do not need to know */ 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_hashes; /* Preference order for signatures */ +extern uschar *dkim_verify_keytypes; /* Preference order for signatures */ +extern uschar *dkim_verify_min_keysizes; /* list of minimum key sizes, keyed by algo */ +extern BOOL dkim_verify_minimal; /* Shortcircuit signture verification */ extern uschar *dkim_verify_overall; /* First successful domain verified, or null */ extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */ extern uschar *dkim_verify_status; /* result for this signature */ extern uschar *dkim_verify_reason; /* result for this signature */ #endif -#ifdef EXPERIMENTAL_DMARC -extern BOOL dmarc_has_been_checked; /* Global variable to check if test has been called yet */ +#ifdef SUPPORT_DMARC extern uschar *dmarc_domain_policy; /* Expansion for declared policy of used domain */ extern uschar *dmarc_forensic_sender; /* Set sender address for forensic reports */ extern uschar *dmarc_history_file; /* Expansion variable, file to store dmarc results */ @@ -414,13 +535,12 @@ 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 int dns_cname_loops; /* Follow CNAMEs returned by resolver to this depth */ extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */ #ifdef SUPPORT_DANE extern int dns_dane_ok; /* Ok to use DANE when checking TLS authenticity */ @@ -428,6 +548,7 @@ extern int dns_dane_ok; /* Ok to use DANE when checking TLS authe 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 const uschar * dns_rc_names[]; /* Mostly for debug output */ extern uschar *dns_trust_aa; /* DNSSEC trust AA as AD */ extern int dns_use_edns0; /* Coerce EDNS0 support on/off in resolver. */ extern uschar *dnslist_domain; /* DNS (black) list domain */ @@ -436,15 +557,12 @@ 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 BOOL envelope_to_remove; /* Remove envelope_to_headers */ extern int errno_quota; /* Quota errno in this OS */ extern int error_handling; /* Error handling style */ @@ -470,14 +588,12 @@ 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 */ @@ -502,18 +618,13 @@ 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 */ @@ -531,10 +642,8 @@ 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 uschar *initial_cwd; /* The directory we where in at startup */ -extern BOOL is_inetd; /* True for inetd calls */ extern uschar *iterate_item; /* Item from iterate list */ extern int journal_fd; /* Fd for journal file */ @@ -544,7 +653,6 @@ 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 */ @@ -570,7 +678,6 @@ extern int log_reject_target; /* Target log for ACL rejections */ extern unsigned int log_selector[]; /* Bit map of logging options */ 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 uschar *login_sender_address; /* The actual sender address */ extern lookup_info **lookup_list; /* Array of pointers to available lookups */ @@ -636,10 +743,7 @@ extern int mime_part_count; 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 uschar *notifier_socket; /* Name for daemon notifier unix-socket */ extern const int on; /* For setsockopt */ extern const int off; @@ -659,12 +763,12 @@ 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 */ +#ifndef DISABLE_PIPE_CONNECT +extern uschar *pipe_connect_advertise_hosts; /* for banner/EHLO pipelining */ +#endif extern uschar *pipelining_advertise_hosts; /* As it says */ -extern BOOL pipelining_enable; /* As it says */ #ifndef DISABLE_PRDR extern BOOL prdr_enable; /* As it says */ extern BOOL prdr_requested; /* Connecting mail server wants PRDR */ @@ -672,9 +776,10 @@ extern BOOL prdr_requested; /* Connecting mail server wants PRDR */ 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 uschar *process_info; /* For SIGUSR1 output */ extern int process_info_len; extern uschar *process_log_path; /* Alternate path */ +extern const uschar *process_purpose; /* for debug output */ extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */ #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS) @@ -683,8 +788,8 @@ extern uschar *proxy_external_address; /* IP of remote interface of proxy */ extern int proxy_external_port; /* Port on remote interface of proxy */ extern uschar *proxy_local_address; /* IP of local interface of proxy */ extern int proxy_local_port; /* Port on local interface of proxy */ +extern int proxy_protocol_timeout; /* Timeout for proxy negotiation */ extern BOOL proxy_session; /* TRUE if receiving mail from valid proxy */ -extern BOOL proxy_session_failed; /* TRUE if required proxy negotiation failed */ #endif extern uschar *prvscheck_address; /* Set during prvscheck expansion item */ @@ -693,27 +798,26 @@ extern uschar *prvscheck_result; /* Set during prvscheck expansion item */ extern const 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 */ +#ifndef DISABLE_QUEUE_RAMP +extern BOOL queue_fast_ramp; /* 2-phase queue-run overlap */ +#endif 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 uschar *queue_name; /* Name of queue, if nondefault spooling */ +extern uschar *queue_name_dest; /* Destination queue, for moving messages */ 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 uschar *queue_run_max; /* Max queue runners */ -extern BOOL queue_smtp; /* Disable all immediate SMTP (-odqs)*/ +extern unsigned queue_size; /* items in queue */ +extern time_t queue_size_next; /* next time to evaluate queue_size */ extern uschar *queue_smtp_domains; /* Ditto, for these domains */ extern unsigned int random_seed; /* Seed for random numbers */ @@ -724,13 +828,12 @@ 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 const uschar * rc_names[]; /* Mostly for debug output */ 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 */ @@ -743,7 +846,6 @@ extern struct timeval received_time_taken; /* Interval the message took to be re 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 BOOL recipients_max_reject; /* If TRUE, reject whole message */ @@ -754,6 +856,9 @@ extern const pcre *regex_CHUNKING; /* For recognizing CHUNKING (RFC 3030) */ 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 */ +#ifndef DISABLE_PIPE_CONNECT +extern const pcre *regex_EARLY_PIPE; /* For recognizing PIPE_CONNCT */ +#endif extern const pcre *regex_ismsgid; /* Compiled r.e. for message it */ extern const pcre *regex_smtp_code; /* For recognizing SMTP codes */ extern uschar *regex_vars[]; /* $regexN variables */ @@ -782,17 +887,15 @@ 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 tree_node *router_var; /* Variables set by router */ 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 */ @@ -803,16 +906,11 @@ extern uschar **sender_host_aliases; /* Points to list of alias names */ extern uschar *sender_host_auth_pubname; /* Public-name of authentication method */ 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 */ @@ -820,6 +918,7 @@ 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 const uschar *sigalarm_setter; /* For debug, set to callpoint of alarm() */ extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */ extern int slow_lookup_log; /* Log DNS lookups taking longer than N millisecs */ extern int smtp_accept_count; /* Count of connections */ @@ -833,7 +932,6 @@ 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 */ @@ -852,6 +950,7 @@ 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_names[]; /* decode for command codes */ 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 */ @@ -891,12 +990,14 @@ extern uschar *spf_received; /* Received-SPF: header */ extern uschar *spf_result; /* spf result in string form */ extern BOOL spf_result_guessed; /* spf result is of best-guess operation */ extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */ +extern uschar *spf_smtp_comment_template; + /* template to construct the spf comment by libspf2 */ #endif extern BOOL split_spool_directory; /* TRUE to use multiple subdirs */ +extern FILE *spool_data_file; /* handle for -D file */ extern uschar *spool_directory; /* Name of spool directory */ -extern BOOL spool_file_wireformat; /* current -D file has CRLF rather than NL */ extern BOOL spool_wireformat; /* can write wireformat -D files */ -#ifdef EXPERIMENTAL_SRS +#ifdef EXPERIMENTAL_SRS_ALT 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 */ @@ -911,18 +1012,17 @@ extern uschar *srs_status; /* SRS staus */ extern BOOL srs_usehash; /* SRS use hash flag */ extern BOOL srs_usetimestamp; /* SRS use timestamp flag */ #endif +#ifdef SUPPORT_SRS +extern uschar *srs_recipient; /* SRS recipient */ +#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 const uschar *submission_domain;/* Domain for submission mode */ +extern const uschar *submission_name; /* User name set from ACL */ extern BOOL syslog_duplication; /* FALSE => no duplicate logging */ extern int syslog_facility; /* As defined by Syslog.h */ extern BOOL syslog_pid; /* TRUE if PID on syslogs */ @@ -939,29 +1039,25 @@ 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_fastopen_ok; /* appears to be supported by kernel */ extern blob tcp_fastopen_nodata; /* for zero-data TFO connect requests */ -extern BOOL tcp_in_fastopen; /* conn usefully used fastopen */ -extern BOOL tcp_in_fastopen_logged; /* one-time logging */ extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */ -extern int tcp_out_fastopen; /* 0: no 1: conn used 2: useful */ -extern BOOL tcp_out_fastopen_logged; /* one-time logging */ +extern tfo_state_t tcp_out_fastopen; /* TCP fast open */ #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 */ +#ifdef MEASURE_TIMING +extern struct timeval timestamp_startup; /* For development measurements */ +#endif 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 const 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 */ @@ -974,8 +1070,6 @@ 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 */