X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/da47dd4d092ba35e4f8ff055d79693cc1266c816..cfc6689a7a29220a44457961283773fdbfdce3ef:/src/src/globals.h diff --git a/src/src/globals.h b/src/src/globals.h index 0c85c1150..427590050 100644 --- a/src/src/globals.h +++ b/src/src/globals.h @@ -2,9 +2,10 @@ * Exim - an Internet mail transport agent * *************************************************/ +/* Copyright (c) The Exim Maintainers 2020 - 2023 */ /* Copyright (c) University of Cambridge 1995 - 2018 */ -/* Copyright (c) The Exim Maintainers 2020 */ /* See the file NOTICE for conditions of use and distribution. */ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* 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 @@ -108,12 +109,16 @@ typedef struct { OCSP_VFIED /* verified */ } ocsp; /* Stapled OCSP status */ #ifndef DISABLE_TLS_RESUME + hctx resume_hctx; /* session lookup key accumulation */ + const uschar * resume_index; /* session lookup key */ + 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 */ + BOOL channelbind_exporter:1; /* channelbinding is EXPORTER not UNIQUE */ } tls_support; extern tls_support tls_in; extern tls_support tls_out; @@ -121,8 +126,10 @@ extern tls_support tls_out; #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 *hosts_require_alpn; /* Mandatory ALPN successful nogitiation */ extern uschar *openssl_options; /* OpenSSL compatibility options */ -extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */ +extern const pcre2_code *regex_STARTTLS; /* For recognizing STARTTLS settings */ +extern uschar *tls_alpn; /* ALPN names acceptable */ extern uschar *tls_certificate; /* Certificate file */ extern uschar *tls_crl; /* CRL File */ extern int tls_dh_max_bits; /* don't accept higher lib suggestions */ @@ -140,12 +147,14 @@ extern uschar *tls_resumption_hosts; /* TLS session resumption */ 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 */ extern uschar *dsn_envid; /* DSN envid string */ extern int dsn_ret; /* DSN ret type*/ -extern const pcre *regex_DSN; /* For recognizing DSN settings */ +extern const pcre2_code *regex_DSN; /* For recognizing DSN settings */ extern uschar *dsn_advertise_hosts; /* host for which TLS is advertised */ /* Input-reading functions for messages, so we can use special ones for @@ -153,14 +162,16 @@ incoming TCP/IP. */ extern int (*lwr_receive_getc)(unsigned); extern uschar * (*lwr_receive_getbuf)(unsigned *); +extern BOOL (*lwr_receive_hasc)(void); extern int (*lwr_receive_ungetc)(int); + extern int (*receive_getc)(unsigned); extern uschar * (*receive_getbuf)(unsigned *); -extern void (*receive_get_cache)(void); +extern BOOL (*receive_hasc)(void); +extern void (*receive_get_cache)(unsigned); 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 @@ -183,12 +194,14 @@ extern struct global_flags { BOOL authentication_local :1; /* TRUE if non-smtp (implicit authentication) */ BOOL background_daemon :1; /* Set FALSE to keep in foreground */ + BOOL bdat_readers_wanted :1; /* BDAT-handling to be pushed on readfunc stack */ 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 daemon_scion :1; /* Ancestor proc is daemon, and not re-exec'd */ 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 */ @@ -233,6 +246,7 @@ extern struct global_flags { BOOL no_mbox_unspool :1; /* don't unlink files in /scan directory */ #endif BOOL no_multiline_responses :1; /* For broken clients */ + BOOL notifier_socket_en :1; /* Permit create of notifier socket */ BOOL parse_allow_group :1; /* Allow group syntax */ BOOL parse_found_group :1; /* In the middle of a group */ @@ -243,8 +257,6 @@ extern struct global_flags { 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)*/ @@ -263,12 +275,13 @@ extern struct global_flags { 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_advertised :1; /* server advertised PIPECONNECT */ 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 */ @@ -310,7 +323,7 @@ extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */ extern uschar *acl_smtp_data; /* ACL run after DATA received */ #ifndef DISABLE_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 */ +extern const pcre2_code *regex_PRDR; /* For recognizing PRDR settings */ #endif #ifndef DISABLE_DKIM extern uschar *acl_smtp_dkim; /* ACL run for DKIM signatures / domains */ @@ -337,8 +350,8 @@ extern uschar *acl_wherecodes[]; /* Response codes for ACL fails */ extern uschar *acl_wherenames[]; /* Names for messages */ 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 const uschar *address_file; /* Name of file when delivering to one */ +extern const uschar *address_pipe; /* Pipe command when delivering to one */ 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 */ @@ -356,13 +369,14 @@ 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 uschar *authenticator_name; /* for debug and error messages */ 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 const uschar *auth_vars[]; /* $authn variables */ extern int auto_thaw; /* Auto-thaw interval */ #ifdef WITH_CONTENT_SCAN extern int av_failed; /* TRUE if the AV process failed */ @@ -386,7 +400,7 @@ extern int bsmtp_transaction_linecount; /* Start of last transaction */ extern int body_8bitmime; /* sender declared BODY= ; 7=7BIT, 8=8BITMIME */ extern uschar *bounce_message_file; /* Template file */ extern uschar *bounce_message_text; /* One-liner */ -extern uschar *bounce_recipient; /* When writing an errmsg */ +extern const uschar *bounce_recipient; /* When writing an errmsg */ extern BOOL bounce_return_body; /* Include body in returned message */ extern int bounce_return_linesize_limit; /* Max line length in return */ extern BOOL bounce_return_message; /* Include message in bounce */ @@ -412,23 +426,35 @@ 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 */ extern uschar *client_authenticated_sender; /* AUTH option to SMTP MAIL FROM (not yet used) */ +#ifndef DISABLE_CLIENT_CMD_LOG +extern gstring *client_cmd_log; /* debug log of client cmds & responses */ +#endif 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 uint64_t connection_id; /* connection number */ extern int connection_max_messages;/* Max down one SMTP connection */ extern FILE *config_file; /* Configuration file */ extern const uschar *config_filename; /* Configuration file name */ extern gid_t config_gid; /* Additional group owner */ extern int config_lineno; /* Line number */ -extern uschar *config_main_filelist; /* List of possible config files */ +extern const uschar *config_main_filelist; /* List of possible config files */ 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 int continue_sequence; /* Sequence num for continued delivery */ extern uschar *continue_transport; /* Transport for continued delivery */ +#ifndef DISABLE_ESMTP_LIMITS +extern unsigned continue_limit_mail; /* Peer advertised limit */ +extern unsigned continue_limit_rcpt; +extern unsigned continue_limit_rcptdom; +#endif + extern uschar *csa_status; /* Client SMTP Authorization result */ @@ -467,7 +493,11 @@ extern FILE *debug_file; /* Where to write debugging info */ extern int debug_notall[]; /* Debug options excluded from +all */ extern bit_table debug_options[]; /* Table of debug options */ extern int debug_options_count; /* Size of table */ +extern unsigned debug_pretrigger_bsize; +extern uschar *debug_pretrigger_buf; /* circular buffer for precapture */ extern BOOL debug_store; /* Do extra checks on store_reset */ +extern uschar debuglog_name[LOG_NAME_SIZE]; /* ACL-init debug */ + 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 */ @@ -487,14 +517,14 @@ extern const uschar *deliver_host_address; /* Address for remote delivery filter 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 const uschar *deliver_localpart;/* The local part for delivery */ 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 uschar *deliver_localpart_suffix_v; /* The stripped-suffix variable portion, if any */ +extern const uschar *deliver_localpart_orig; /* The original local part for delivery */ +extern const uschar *deliver_localpart_parent; /* The parent local part for delivery */ +extern const uschar *deliver_localpart_prefix; /* The stripped prefix, if any */ +extern const uschar *deliver_localpart_prefix_v; /* The stripped-prefix variable portion, if any */ +extern const uschar *deliver_localpart_suffix; /* The stripped suffix, if any */ +extern const 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 */ @@ -511,12 +541,13 @@ extern uschar *dkim_cur_signer; /* Expansion variable, holds the current 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 gstring *dkim_signing_record; /* domains+selectors used */ 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 BOOL dkim_verify_minimal; /* Shortcircuit signature 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 */ @@ -543,6 +574,7 @@ 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 */ @@ -554,6 +586,10 @@ extern int domainlist_count; /* Number defined */ /* This option is now a no-opt, retained for compatibility */ extern BOOL drop_cr; /* For broken local MUAs */ +extern const uschar *driver_srcfile; /* For debug & errors */ +extern int driver_srcline; /* For debug & errors */ + +extern unsigned int dtrigger_selector; /* when to start debug */ extern uschar *dsn_from; /* From: string for DSNs */ @@ -581,7 +617,7 @@ extern int expand_level; /* Nesting depth; indent for debug */ 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 const uschar *expand_nstring[]; /* Numbered strings */ extern BOOL extract_addresses_remove_arguments; /* Controls -t behaviour */ extern uschar *extra_local_interfaces; /* Local, non-listen interfaces */ @@ -590,8 +626,8 @@ extern uschar *fake_response_text; /* User defined message for the above. De extern int filter_n[FILTER_VARIABLE_COUNT]; /* filter variables */ 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 const uschar *filter_test_sfile;/* System filter test file */ +extern const 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 */ @@ -628,10 +664,15 @@ 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_require_helo; /* check for HELO/EHLO before MAIL */ extern uschar *hosts_treat_as_local; /* For routing */ +#ifdef EXPERIMENTAL_XCLIENT +extern uschar *hosts_xclient; /* Allow XCLIENT command for specified hosts */ +#endif +extern tree_node *hostlist_anchor; /* Tree of defined host lists */ +extern int hostlist_count; /* Number defined */ + extern int ignore_bounce_errors_after; /* Keep them for this time. */ extern BOOL ignore_fromline_local; /* Local SMTP ignore fromline */ @@ -646,6 +687,10 @@ extern uschar *keep_environment; /* Whitelist for environment variables */ extern int keep_malformed; /* Time to keep malformed messages */ extern uschar *eldap_dn; /* Where LDAP DNs are left */ +extern const uschar *letter_digit_hyphen_dot; /* Legitimate DNS host name chars */ +#ifndef DISABLE_ESMTP_LIMITS +extern uschar *limits_advertise_hosts; /* for banner/EHLO pipelining */ +#endif extern int load_average; /* Most recently read load average */ extern BOOL local_from_check; /* For adding Sender: (global value) */ extern uschar *local_from_prefix; /* Permitted prefixes */ @@ -701,7 +746,6 @@ 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 */ @@ -709,10 +753,10 @@ extern uschar *message_size_limit; /* As it says */ #ifdef SUPPORT_I18N extern BOOL message_smtputf8; /* Internationalized mail handling */ extern int message_utf8_downconvert; /* convert from utf8 */ -const extern pcre *regex_UTF8; /* For recognizing SMTPUTF8 settings */ +extern const pcre2_code *regex_UTF8; /* For recognizing SMTPUTF8 settings */ #endif extern uschar message_subdir[]; /* Subdirectory for messages */ -extern uschar *message_reference; /* Reference for error messages */ +extern const uschar *message_reference;/* Reference for error messages */ /* MIME ACL expandables */ #ifdef WITH_CONTENT_SCAN @@ -755,10 +799,17 @@ 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 const uschar *override_pid_file_path; /* Value of -oP argument */ + +extern BOOL panic_coredump; /* SEGV rather than exit, on LOG_PANIC_DIE */ +extern pcre2_general_context * pcre_gen_ctx; /* pcre memory management */ +extern pcre2_compile_context * pcre_gen_cmp_ctx; +extern pcre2_match_context * pcre_gen_mtc_ctx; +extern pcre2_general_context * pcre_mlc_ctx; +extern pcre2_compile_context * pcre_mlc_cmp_ctx; extern uschar *percent_hack_domains; /* Local domains for which '% operates */ -extern uschar *pid_file_path; /* For writing daemon pids */ +extern const uschar *pid_file_path; /* For writing daemon pids */ #ifndef DISABLE_PIPE_CONNECT extern uschar *pipe_connect_advertise_hosts; /* for banner/EHLO pipelining */ #endif @@ -776,19 +827,23 @@ 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) +#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS) || defined(EXPERIMENTAL_XCLIENT) extern uschar *hosts_proxy; /* Hostlist which (require) use proxy protocol */ 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 BOOL proxy_session; /* TRUE if receiving mail from valid proxy */ +extern int proxy_protocol_timeout; /* Timeout for proxy negotiation */ +extern BOOL proxy_session; /* TRUE if receiving mail from valid proxy + or sending via one */ #endif 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 qrunner *qrunners; /* tracking data for queues */ + extern const uschar *qualify_domain_recipient; /* Domain to qualify recipients with */ extern uschar *qualify_domain_sender; /* Domain to qualify senders with */ extern uschar *queue_domains; /* Queue these domains */ @@ -818,8 +873,8 @@ 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 const uschar *raw_sender; /* Before rewriting */ +extern const 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 */ @@ -831,35 +886,40 @@ 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 const 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 struct timeval received_time; /* Time the message was received */ -extern struct timeval received_time_taken; /* Interval the message took to be received */ +extern struct timeval received_time; /* Time the message started to be received */ +extern struct timeval received_time_complete; /* Time the message completed reception */ 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 int recipients_list_max; /* Maximum number fitting in list */ -extern int recipients_max; /* Max permitted */ +extern uschar *recipients_max; /* Max permitted */ +extern int recipients_max_expanded; extern BOOL 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_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 */ +extern const pcre2_code *regex_AUTH; /* For recognizing AUTH settings */ +extern const pcre2_code *regex_check_dns_names; /* For DNS name checking */ +extern const pcre2_code *regex_From; /* For recognizing "From_" lines */ +extern const pcre2_code *regex_CHUNKING; /* For recognizing CHUNKING (RFC 3030) */ +extern const pcre2_code *regex_IGNOREQUOTA; /* For recognizing IGNOREQUOTA (LMTP) */ +#ifndef DISABLE_ESMTP_LIMITS +extern const pcre2_code *regex_LIMITS; /* For recognizing LIMITS */ +#endif +extern const pcre2_code *regex_PIPELINING; /* For recognizing PIPELINING */ +extern const pcre2_code *regex_SIZE; /* For recognizing SIZE settings */ #ifndef DISABLE_PIPE_CONNECT -extern const pcre *regex_EARLY_PIPE; /* For recognizing PIPE_CONNCT */ +extern const pcre2_code *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 */ +extern int regex_cachesize; /* number of entries */ +extern const pcre2_code *regex_ismsgid; /* Compiled r.e. for message ID */ +extern const pcre2_code *regex_smtp_code; /* For recognizing SMTP codes */ #ifdef WHITELIST_D_MACROS -extern const pcre *regex_whitelisted_macro; /* For -D macro values */ +extern const pcre2_code *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) */ +extern const uschar *regex_vars[]; #endif extern int remote_delivery_count; /* Number of remote addresses */ extern int remote_max_parallel; /* Maximum parallel delivery */ @@ -868,7 +928,7 @@ 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 const 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 */ @@ -889,7 +949,7 @@ extern uschar *search_error_message; /* Details of lookup problem */ 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 uschar *sender_address_unrewritten; /* Set if rewritten by verify */ +extern const 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 */ @@ -912,19 +972,20 @@ 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 const 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 */ 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_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 int smtp_backlog_monitor; /* listen backlog level to log */ 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 */ @@ -939,8 +1000,10 @@ 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_listen_backlog; /* Current listener socket backlog, if monitored */ extern int smtp_load_reserve; /* Only from reserved if load > this */ extern int smtp_mailcmd_count; /* Count of MAIL commands */ +extern int smtp_mailcmd_max; /* Limit for 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 */ @@ -990,21 +1053,6 @@ 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_wireformat; /* can write wireformat -D files */ -#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 */ -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 #ifdef SUPPORT_SRS extern uschar *srs_recipient; /* SRS recipient */ #endif @@ -1014,12 +1062,12 @@ 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 uschar *submission_name; /* User name set from ACL */ +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 */ -extern uschar *syslog_processname; /* 'ident' param to openlog() */ +extern const 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 */ @@ -1074,8 +1122,8 @@ 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 const uschar *warnmsg_delay; /* String form of delay time */ +extern const uschar *warnmsg_recipients; /* Recipients of warning message */ extern BOOL write_rejectlog; /* Control of reject logging */ extern uschar *verify_mode; /* Running a router in verify mode */