X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/6023a6ad2ac0294879b14127f62795095da573b5..91ef504cad49dd5c710f53816306a935b0ecc29e:/src/src/globals.h diff --git a/src/src/globals.h b/src/src/globals.h index 7cbf7bfab..4e1e0ca7b 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 - 2014 */ +/* Copyright (c) University of Cambridge 1995 - 2017 */ /* See the file NOTICE for conditions of use and distribution. */ /* Almost all the global variables are defined together in this one header, so @@ -28,6 +28,7 @@ typedef volatile sig_atomic_t SIGNAL_BOOL; extern uschar *opt_perl_startup; /* Startup code for Perl interpreter */ extern BOOL opt_perl_at_start; /* Start Perl interpreter at start */ extern BOOL opt_perl_started; /* Set once interpreter started */ +extern BOOL opt_perl_taintmode; /* Enable taint mode in Perl */ #endif #ifdef EXPAND_DLFUNC @@ -62,7 +63,7 @@ extern uschar *oracle_servers; /* List of servers and connect info */ extern uschar *pgsql_servers; /* List of servers and connect info */ #endif -#ifdef EXPERIMENTAL_REDIS +#ifdef LOOKUP_REDIS extern uschar *redis_servers; /* List of servers and connect info */ #endif @@ -107,21 +108,17 @@ extern tls_support tls_out; #ifdef SUPPORT_TLS extern BOOL gnutls_compat_mode; /* Less security, more compatibility */ extern BOOL gnutls_allow_auto_pkcs11; /* Let GnuTLS autoload PKCS11 modules */ -extern uschar *gnutls_require_mac; /* So some can be avoided */ -extern uschar *gnutls_require_kx; /* So some can be avoided */ -extern uschar *gnutls_require_proto; /* So some can be avoided */ extern uschar *openssl_options; /* OpenSSL compatibility options */ extern const pcre *regex_STARTTLS; /* For recognizing STARTTLS settings */ -extern uschar *tls_advertise_hosts; /* host for which TLS is advertised */ extern uschar *tls_certificate; /* Certificate file */ extern uschar *tls_channelbinding_b64; /* string of base64 channel binding */ extern uschar *tls_crl; /* CRL File */ extern int tls_dh_max_bits; /* don't accept higher lib suggestions */ extern uschar *tls_dhparam; /* DH param file */ -#ifndef DISABLE_OCSP +extern uschar *tls_eccurve; /* EC curve */ +# ifndef DISABLE_OCSP extern uschar *tls_ocsp_file; /* OCSP stapling proof file */ -#endif -extern BOOL tls_offered; /* Server offered TLS */ +# endif extern uschar *tls_privatekey; /* Private key file */ extern BOOL tls_remember_esmtp; /* For YAEB */ extern uschar *tls_require_ciphers; /* So some can be avoided */ @@ -129,17 +126,20 @@ extern uschar *tls_try_verify_hosts; /* Optional client verification */ extern uschar *tls_verify_certificates;/* Path for certificates to check */ extern uschar *tls_verify_hosts; /* Mandatory client verification */ #endif +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 BOOL smtp_use_dsn; /* Global for passed connections */ extern uschar *dsn_advertise_hosts; /* host for which TLS is advertised */ /* Input-reading functions for messages, so we can use special ones for incoming TCP/IP. */ -extern int (*receive_getc)(void); +extern int (*lwr_receive_getc)(unsigned); +extern int (*lwr_receive_ungetc)(int); +extern int (*receive_getc)(unsigned); +extern void (*receive_get_cache)(void); extern int (*receive_ungetc)(int); extern int (*receive_feof)(void); extern int (*receive_ferror)(void); @@ -155,7 +155,7 @@ extern const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT]; /* General global variables */ extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */ -extern int body_8bitmime; /* sender declared BODY= ; 7=7BIT, 8=8BITMIME */ +extern uschar *add_environment; /* List of environment variables to add */ extern header_line *acl_added_headers; /* Headers added by an ACL */ extern tree_node *acl_anchor; /* Tree of named ACLs */ extern uschar *acl_arg[9]; /* Argument to ACL call */ @@ -192,7 +192,7 @@ extern uschar *acl_smtp_starttls; /* ACL run for STARTTLS */ extern uschar *acl_smtp_vrfy; /* ACL run for VRFY */ extern BOOL acl_temp_details; /* TRUE to give details for 4xx error */ extern tree_node *acl_var_c; /* ACL connection variables */ -extern tree_node *acl_var_m; /* ACL messsage variables */ +extern 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 */ @@ -245,15 +245,18 @@ 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 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 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 */ 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 */ extern int callout_cache_domain_negative_expire; /* Time for negative domain callout cache records to expire */ extern int callout_cache_positive_expire; /* Time for positive callout cache records to expire */ @@ -265,6 +268,11 @@ extern int check_log_space; /* Minimum for message acceptance */ extern BOOL check_rfc2047_length; /* Check RFC 2047 encoded string length */ extern int check_spool_inodes; /* Minimum for message acceptance */ extern int check_spool_space; /* Minimum for message acceptance */ +extern uschar *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) */ @@ -273,17 +281,13 @@ extern uschar *clmacros[]; /* Copy of them, for re-exec */ extern int connection_max_messages;/* Max down one SMTP connection */ extern BOOL config_changed; /* True if -C used */ extern FILE *config_file; /* Configuration file */ -extern uschar *config_filename; /* Configuration file name */ -#ifdef CONFIGURE_GROUP +extern const uschar *config_filename; /* Configuration file name */ extern gid_t config_gid; /* Additional group owner */ -#endif extern int config_lineno; /* Line number */ extern uschar *config_main_filelist; /* List of possible config files */ extern uschar *config_main_filename; /* File name actually used */ extern uschar *config_main_directory; /* Directory where the main config file was found */ -#ifdef CONFIGURE_OWNER extern uid_t config_uid; /* Additional owner */ -#endif extern uschar *continue_hostname; /* Host for continued delivery */ extern uschar *continue_host_address; /* IP address for ditto */ extern BOOL continue_more; /* Flag more addresses waiting */ @@ -293,7 +297,8 @@ extern uschar *continue_transport; /* Transport for continued delivery */ extern uschar *csa_status; /* Client SMTP Authorization result */ typedef struct { - BOOL delivery; /* When to attempt */ + unsigned delivery:1; /* When to attempt */ + unsigned defer_pass:1; /* Pass 4xx to caller rather than spooling */ int fd; /* Open connection */ int nrcpt; /* Count of addresses */ uschar * interface; /* (address of) */ @@ -318,6 +323,7 @@ extern uschar *dccifd_options; /* options for the dccifd daemon */ 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 int delay_warning[]; /* Times between warnings */ @@ -357,11 +363,6 @@ extern uschar *deliver_selectstring; /* For selecting by recipient */ extern BOOL deliver_selectstring_regex; /* String is regex */ extern uschar *deliver_selectstring_sender; /* For selecting by sender */ extern BOOL deliver_selectstring_sender_regex; /* String is regex */ -#ifdef WITH_OLD_DEMIME -extern int demime_errorlevel; /* Severity of MIME error */ -extern int demime_ok; /* Nonzero if message has been demimed */ -extern uschar *demime_reason; /* Reason for broken MIME container */ -#endif extern BOOL disable_callout_flush; /* Don't flush before callouts */ extern BOOL disable_delay_flush; /* Don't flush before "delay" in ACL */ #ifdef ENABLE_DISABLE_FSYNC @@ -371,13 +372,14 @@ 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 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 uschar *dkim_signers; /* Expansion variable, holds colon-separated list of domains and identities that have signed a message */ extern uschar *dkim_signing_domain; /* Expansion variable, domain used for signing a message. */ extern uschar *dkim_signing_selector; /* Expansion variable, selector used for signing a message. */ extern uschar *dkim_verify_signers; /* Colon-separated list of domains for each of which we call the DKIM ACL */ -extern BOOL dkim_collect_input; /* Runtime flag that tracks wether SMTP input is fed to DKIM validation */ -extern BOOL dkim_disable_verify; /* Set via ACL control statement. When set, DKIM verification is disabled for the current message */ #endif #ifdef EXPERIMENTAL_DMARC extern BOOL dmarc_has_been_checked; /* Global variable to check if test has been called yet */ @@ -403,6 +405,7 @@ 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 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 */ extern uschar *dnslist_matched; /* DNS (black) list matched key */ @@ -419,14 +422,14 @@ extern BOOL drop_cr; /* For broken local MUAs */ extern uschar *dsn_from; /* From: string for DSNs */ extern BOOL enable_dollar_recipients; /* Make $recipients available */ -extern int envelope_to_remove; /* Remove envelope_to_headers */ +extern BOOL envelope_to_remove; /* Remove envelope_to_headers */ extern int errno_quota; /* Quota errno in this OS */ extern int error_handling; /* Error handling style */ extern uschar *errors_copy; /* For taking copies of errors */ extern uschar *errors_reply_to; /* Reply-to for error messages */ extern int errors_sender_rc; /* Return after message to sender*/ -#ifdef EXPERIMENTAL_EVENT +#ifndef DISABLE_EVENT extern uschar *event_action; /* expansion for delivery events */ extern uschar *event_data; /* event data */ extern int event_defer_errno; /* error number set when a remote delivery is deferred with a host error */ @@ -458,9 +461,6 @@ extern uschar *filter_test_ufile; /* User filter test file */ extern uschar *filter_thisaddress; /* For address looping */ extern int finduser_retries; /* Retry count for getpwnam() */ extern uid_t fixed_never_users[]; /* Can't be overridden */ -#ifdef WITH_OLD_DEMIME -extern uschar *found_extension; /* demime acl condition: file extension found */ -#endif extern uschar *freeze_tell; /* Message on (some) freezings */ extern uschar *freeze_tell_config; /* The configured setting */ extern uschar *fudged_queue_times; /* For use in test harness */ @@ -505,11 +505,13 @@ 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 */ +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 */ @@ -529,16 +531,17 @@ extern uid_t local_user_uid; /* As it says; may be set in routers */ extern tree_node *localpartlist_anchor;/* Tree of defined localpart lists */ extern int localpartlist_count; /* Number defined */ extern uschar *log_buffer; /* For constructing log entries */ -extern unsigned int log_extra_selector;/* Bit map of logging options other than used by log_write() */ +extern int log_default[]; /* Initialization list for log_selector */ extern uschar *log_file_path; /* If unset, use default */ +extern int log_notall[]; /* Log options excluded from +all */ extern bit_table log_options[]; /* Table of options */ extern int log_options_count; /* Size of table */ extern int log_reject_target; /* Target log for ACL rejections */ +extern 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 unsigned int log_write_selector;/* Bit map of logging options for log_write() */ extern uschar *login_sender_address; /* The actual sender address */ extern lookup_info **lookup_list; /* Array of pointers to available lookups */ extern int lookup_list_count; /* Number of entries in the list */ @@ -547,6 +550,8 @@ 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 *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") */ @@ -570,8 +575,9 @@ extern int message_linecount; /* As it says */ extern BOOL message_logs; /* TRUE to write message logs */ extern int message_size; /* Size of message */ extern uschar *message_size_limit; /* As it says */ -#ifdef EXPERIMENTAL_INTERNATIONAL +#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 */ #endif extern uschar message_subdir[]; /* Subdirectory for messages */ @@ -605,6 +611,9 @@ 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; + extern optionlist optionlist_auths[]; /* These option lists are made */ extern int optionlist_auths_size; /* global so that readconf can */ extern optionlist optionlist_routers[]; /* see them for printing out */ @@ -638,14 +647,14 @@ extern int process_info_len; extern uschar *process_log_path; /* Alternate path */ extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */ -#ifdef EXPERIMENTAL_PROXY -extern uschar *proxy_host_address; /* IP of host being proxied */ -extern int proxy_host_port; /* Port of host being proxied */ -extern uschar *proxy_required_hosts; /* Hostlist which (require) use proxy protocol */ +#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS) +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 BOOL proxy_session_failed; /* TRUE if required proxy negotiation failed */ -extern uschar *proxy_target_address; /* IP of proxy server inbound */ -extern int proxy_target_port; /* Port of proxy server inbound */ #endif extern uschar *prvscheck_address; /* Set during prvscheck expansion item */ @@ -665,6 +674,7 @@ extern BOOL queue_running; /* TRUE for queue running process and */ 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 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 */ @@ -672,8 +682,8 @@ extern uschar *queue_only_file; /* Queue if file exists/not-exists */ extern BOOL queue_only_override; /* Allow override from command line */ extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */ extern BOOL queue_run_in_order; /* As opposed to random */ -extern int queue_run_max; /* Max queue runners */ -extern BOOL queue_smtp; /* Disable all immediate STMP (-odqs)*/ +extern uschar *queue_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 */ @@ -705,15 +715,17 @@ extern uschar *recipient_verify_failure; /* What went wrong */ extern BOOL recipients_discarded; /* By an ACL */ extern int recipients_list_max; /* Maximum number fitting in list */ extern int recipients_max; /* Max permitted */ -extern int recipients_max_reject; /* If TRUE, reject whole message */ +extern 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 pcre *regex_smtp_code; /* For recognizing SMTP codes */ 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 */ #ifdef WHITELIST_D_MACROS extern const pcre *regex_whitelisted_macro; /* For -D macro values */ #endif @@ -754,6 +766,7 @@ extern uschar *sender_address_unrewritten; /* Set if rewritten by verify */ extern uschar *sender_data; /* lookup result for senders */ extern unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for sender domain */ extern uschar *sender_fullhost; /* Sender host name + address */ +extern 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 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32]; /* Cache bits for incoming host */ @@ -776,6 +789,7 @@ extern uschar *sending_ip_address; /* Address of outgoing (SMTP) interface * extern int sending_port; /* Port of outgoing interface */ extern SIGNAL_BOOL sigalrm_seen; /* Flag for sigalrm_handler */ extern uschar **sighup_argv; /* Args for re-execing after SIGHUP */ +extern int 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 */ @@ -824,9 +838,9 @@ extern int smtp_rlr_base; /* Base interval for RCPT rate limit */ extern double smtp_rlr_factor; /* Factor for RCPT rate limit */ extern int smtp_rlr_limit; /* Max delay */ extern int smtp_rlr_threshold; /* Threshold for RCPT rate limit */ -extern BOOL smtp_use_pipelining; /* Global for passed connections */ -extern BOOL smtp_use_size; /* Global for passed connections */ -#ifdef EXPERIMENTAL_INTERNATIONAL +extern unsigned smtp_peer_options; /* Global flags for passed connections */ +extern unsigned smtp_peer_options_wrap; /* stacked version hidden by TLS */ +#ifdef SUPPORT_I18N extern uschar *smtputf8_advertise_hosts; /* ingress control */ #endif @@ -876,6 +890,7 @@ extern BOOL suppress_local_fixups_default; /* former is reset to this; overri 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 */ extern uschar *syslog_processname; /* 'ident' param to openlog() */ extern BOOL syslog_timestamp; /* TRUE if time on syslogs */ extern uschar *system_filter; /* Name of system filter file */ @@ -891,6 +906,7 @@ 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 BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */ #ifdef USE_TCP_WRAPPERS extern uschar *tcp_wrappers_daemon_name; /* tcpwrappers daemon lookup name */