X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/e1d04f48a45c9f8e8ff75610003048f8ead73219..727a5d2511acd513514b52a72f8db294e54f3ae9:/src/src/globals.h diff --git a/src/src/globals.h b/src/src/globals.h index c2c69cf7c..4ab43ca65 100644 --- a/src/src/globals.h +++ b/src/src/globals.h @@ -2,7 +2,7 @@ * Exim - an Internet mail transport agent * *************************************************/ -/* Copyright (c) University of Cambridge 1995 - 2017 */ +/* Copyright (c) University of Cambridge 1995 - 2018 */ /* See the file NOTICE for conditions of use and distribution. */ /* Almost all the global variables are defined together in this one header, so @@ -80,14 +80,16 @@ 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 EXPERIMENTAL_DANE +#ifdef SUPPORT_DANE BOOL dane_verified; /* ... via DANE */ int tlsa_usage; /* TLSA record(s) usage */ #endif uschar *cipher; /* Cipher used */ + const uschar *cipher_stdname; /* Cipher used, RFC 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 */ @@ -101,11 +103,17 @@ typedef struct { OCSP_FAILED, /* verify failed */ OCSP_VFIED /* verified */ } ocsp; /* Stapled OCSP status */ +#ifdef EXPERIMENTAL_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 */ } 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 */ @@ -122,6 +130,9 @@ 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 */ +# ifdef EXPERIMENTAL_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 */ @@ -137,8 +148,10 @@ extern uschar *dsn_advertise_hosts; /* host for which TLS is advertised */ incoming TCP/IP. */ extern int (*lwr_receive_getc)(unsigned); +extern uschar * (*lwr_receive_getbuf)(unsigned *); extern int (*lwr_receive_ungetc)(int); extern int (*receive_getc)(unsigned); +extern uschar * (*receive_getbuf)(unsigned *); extern void (*receive_get_cache)(void); extern int (*receive_ungetc)(int); extern int (*receive_feof)(void); @@ -152,6 +165,124 @@ 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 */ +#endif +#ifdef EXPERIMENTAL_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 */ +#ifdef SUPPORT_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 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 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 */ @@ -191,29 +322,28 @@ 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 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 */ +extern const uschar *arc_state_reason; +#endif extern BOOL allow_utf8_domains; /* For experimenting */ extern uschar *authenticated_fail_id; /* ID that failed authentication */ extern uschar *authenticated_id; /* ID that was authenticated */ @@ -228,11 +358,10 @@ 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 */ @@ -246,6 +375,7 @@ extern int bmi_deliver; /* Flag that determines if the message sh 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 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 */ @@ -255,7 +385,6 @@ extern int bounce_return_linesize_limit; /* Max line length in return */ 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 uschar *callout_address; /* Address used for a malware/spamd/verify etc. callout */ extern int callout_cache_domain_positive_expire; /* Time for positive domain callout cache records to expire */ @@ -265,22 +394,21 @@ 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 */ 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 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 */ @@ -289,26 +417,31 @@ extern 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 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 */ typedef struct { + unsigned callout_hold_only:1; /* Conn is only for verify callout */ unsigned delivery:1; /* When to attempt */ unsigned defer_pass:1; /* Pass 4xx to caller rather than spooling */ - int fd; /* Open connection */ + unsigned is_tls:1; /* Conn has TLS active */ + client_conn_ctx cctx; /* Open connection */ int nrcpt; /* Count of addresses */ + uschar * transport; /* Name of transport */ uschar * interface; /* (address of) */ + uschar * snd_ip; /* sending_ip_address */ + int snd_port; /* sending_port */ + unsigned peer_options; /* smtp_peer_options */ host_item host; /* Host used */ address_item addr; /* (Chain of) addresses */ } cut_t; extern cut_t cutthrough; /* Deliver-concurrently */ -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 */ @@ -321,12 +454,12 @@ 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 */ extern bit_table debug_options[]; /* Table of debug options */ extern int debug_options_count; /* Size of table */ +extern BOOL debug_store; /* Do extra checks on store_reset */ 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 */ @@ -338,9 +471,6 @@ 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 */ @@ -355,36 +485,33 @@ 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 */ -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 BOOL dkim_collect_input; /* Runtime flag that 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 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 */ -extern uschar *dmarc_ar_header; /* Expansion variable, suggested header for dmarc auth results */ 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 */ @@ -392,15 +519,14 @@ 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 EXPERIMENTAL_DANE +#ifdef SUPPORT_DANE extern int dns_dane_ok; /* Ok to use DANE when checking TLS authenticity */ #endif extern int dns_retrans; /* Retransmission time setting */ @@ -414,15 +540,12 @@ 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 */ @@ -448,14 +571,12 @@ 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 */ @@ -471,23 +592,22 @@ 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 volatile sig_atomic_t had_command_timeout; /* Alarm sighandler called */ +extern volatile sig_atomic_t had_command_sigterm; /* TERM sighandler called */ +extern volatile sig_atomic_t had_data_timeout; /* Alarm sighandler called */ +extern volatile sig_atomic_t had_data_sigint; /* TERM/INT sighandler called */ 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 */ @@ -505,10 +625,8 @@ 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 */ @@ -518,15 +636,16 @@ 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 */ +#ifdef HAVE_LOCAL_SCAN 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() */ +#endif 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 */ @@ -542,7 +661,6 @@ 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 */ @@ -552,8 +670,8 @@ 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 macro_item *macros_user; /* Non-builtin configuration macros */ extern macro_item *mlast; /* Last item in macro list */ -extern BOOL macros_builtin_created; /* Flag for lazy-create */ extern uschar *mailstore_basename; /* For mailstore deliveries */ #ifdef WITH_CONTENT_SCAN extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */ @@ -609,9 +727,7 @@ 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 const int on; /* For setsockopt */ extern const int off; @@ -631,12 +747,12 @@ 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 */ +#ifdef SUPPORT_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 */ @@ -644,7 +760,7 @@ 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 BOOL prod_requires_admin; /* TRUE if prodding requires admin */ @@ -656,7 +772,6 @@ 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 BOOL proxy_session_failed; /* TRUE if required proxy negotiation failed */ #endif extern uschar *prvscheck_address; /* Set during prvscheck expansion item */ @@ -665,13 +780,8 @@ 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 */ 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 */ @@ -682,10 +792,8 @@ 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 uschar *queue_smtp_domains; /* Ditto, for these domains */ extern unsigned int random_seed; /* Seed for random numbers */ @@ -696,13 +804,12 @@ 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 */ @@ -710,11 +817,11 @@ 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 struct timeval received_time; /* Time the message was received */ +extern struct timeval received_time_taken; /* Interval the message took to be 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 BOOL recipients_max_reject; /* If TRUE, reject whole message */ @@ -725,6 +832,9 @@ 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 */ +#ifdef SUPPORT_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 */ @@ -753,17 +863,15 @@ 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 */ @@ -771,18 +879,14 @@ extern uschar *sender_fullhost; /* Sender host name + address */ extern BOOL sender_helo_dnssec; /* True if HELO verify used DNS and was DNSSEC */ extern uschar *sender_helo_name; /* Host name from HELO/EHLO */ 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 */ @@ -790,6 +894,7 @@ 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 */ @@ -803,13 +908,12 @@ 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 struct timeval 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 */ @@ -854,15 +958,18 @@ extern uschar *spam_action; /* the spamd recommended-action */ extern uschar *spam_score; /* the spam score (float) */ extern uschar *spam_score_int; /* spam_score * 10 (int) */ #endif -#ifdef EXPERIMENTAL_SPF +#ifdef SUPPORT_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 BOOL spf_result_guessed; /* spf result is of best-guess operation */ extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */ #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_wireformat; /* can write wireformat -D files */ #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 */ @@ -885,11 +992,7 @@ 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 BOOL syslog_pid; /* TRUE if PID on syslogs */ @@ -906,24 +1009,22 @@ 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_nodelay; /* Controls TCP_NODELAY on daemon */ +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 */ 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 */ @@ -936,8 +1037,6 @@ 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 */