* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2013 */
+/* Copyright (c) University of Cambridge 1995 - 2015 */
/* See the file NOTICE for conditions of use and distribution. */
/* Almost all the global variables are defined together in this one header, so
int active; /* fd/socket when in a TLS session */
int bits; /* bits used in TLS session */
BOOL certificate_verified; /* Client certificate verified */
+#ifdef EXPERIMENTAL_DANE
+ BOOL dane_verified; /* ... via DANE */
+ int tlsa_usage; /* TLSA record(s) usage */
+#endif
uschar *cipher; /* Cipher used */
BOOL on_connect; /* For older MTAs that don't STARTTLS */
uschar *on_connect_ports; /* Ports always tls-on-connect */
+ void *ourcert; /* Certificate we presented, binary */
+ void *peercert; /* Certificate of peer, binary */
uschar *peerdn; /* DN from peer */
uschar *sni; /* Server Name Indication */
+ enum {
+ OCSP_NOT_REQ=0, /* not requested */
+ OCSP_NOT_RESP, /* no response to request */
+ OCSP_VFY_NOT_TRIED, /* response not verified */
+ OCSP_FAILED, /* verify failed */
+ OCSP_VFIED /* verified */
+ } ocsp; /* Stapled OCSP status */
} tls_support;
extern tls_support tls_in;
extern tls_support tls_out;
extern uschar *tls_crl; /* CRL File */
extern int tls_dh_max_bits; /* don't accept higher lib suggestions */
extern uschar *tls_dhparam; /* DH param file */
-#if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
+extern uschar *tls_eccurve; /* EC curve */
+#ifndef DISABLE_OCSP
extern uschar *tls_ocsp_file; /* OCSP stapling proof file */
#endif
extern BOOL tls_offered; /* Server offered TLS */
extern uschar *tls_verify_hosts; /* Mandatory client verification */
#endif
+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. */
the size of this vector set explicitly, because it is referenced from more than
one module. */
-extern uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
+extern const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT];
/* General global variables */
extern uschar *acl_smtp_auth; /* ACL run for AUTH */
extern uschar *acl_smtp_connect; /* ACL run on SMTP connection */
extern uschar *acl_smtp_data; /* ACL run after DATA received */
-#ifdef EXPERIMENTAL_PRDR
+#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 */
#endif
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 */
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_transport; /* Transport for continued delivery */
extern uschar *csa_status; /* Client SMTP Authorization result */
-extern BOOL cutthrough_delivery; /* Deliver in foreground */
-extern int cutthrough_fd; /* Connection for ditto */
+
+typedef struct {
+ BOOL delivery; /* When to attempt */
+ int fd; /* Open connection */
+ int nrcpt; /* Count of addresses */
+ uschar * interface; /* (address of) */
+ 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 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 */
extern uschar *deliver_address_data; /* Arbitrary data for an address */
extern int deliver_datafile; /* FD for data part of message */
-extern uschar *deliver_domain; /* The local domain for delivery */
+extern const uschar *deliver_domain; /* The local domain for delivery */
extern uschar *deliver_domain_data; /* From domain lookup */
-extern uschar *deliver_domain_orig; /* The original local domain for delivery */
-extern uschar *deliver_domain_parent; /* The parent domain for delivery */
+extern 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 int deliver_frozen_at; /* Time of freezing */
+extern time_t deliver_frozen_at; /* Time of freezing */
extern uschar *deliver_home; /* Home directory for pipes */
-extern uschar *deliver_host; /* (First) host for routed local deliveries */
+extern const uschar *deliver_host; /* (First) host for routed local deliveries */
/* Remote host for filter */
-extern uschar *deliver_host_address; /* Address for remote delivery filter */
+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 int dns_csa_search_limit; /* How deep to search for CSA SRV records */
extern BOOL dns_csa_use_reverse; /* Check CSA in reverse DNS? (non-standard) */
extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
+#ifdef EXPERIMENTAL_DANE
+extern int dns_dane_ok; /* Ok to use DANE when checking TLS authenticity */
+#endif
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 */
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
+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 */
+extern const uschar *event_name; /* event classification */
+#endif
+
extern gid_t exim_gid; /* To be used with exim_uid */
extern BOOL exim_gid_set; /* TRUE if exim_gid set */
extern uschar *exim_path; /* Path to exec exim */
extern 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 */
+extern uschar *lookup_dnssec_authenticated; /* AD status of dns lookup */
extern int lookup_open_max; /* Max lookup files to cache */
extern uschar *lookup_value; /* Value looked up from file */
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
+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 */
extern uschar *message_reference; /* Reference for error messages */
extern uschar *pid_file_path; /* For writing daemon pids */
extern uschar *pipelining_advertise_hosts; /* As it says */
extern BOOL pipelining_enable; /* As it says */
-#ifdef EXPERIMENTAL_PRDR
+#ifndef DISABLE_PRDR
extern BOOL prdr_enable; /* As it says */
extern BOOL prdr_requested; /* Connecting mail server wants PRDR */
#endif
extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
#ifdef EXPERIMENTAL_PROXY
-extern uschar *proxy_host_address; /* IP of proxy server */
-extern int proxy_host_port; /* Port of proxy server */
+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 */
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 */
extern uschar *prvscheck_keynum; /* Set during prvscheck expansion item */
extern uschar *prvscheck_result; /* Set during prvscheck expansion item */
-extern uschar *qualify_domain_recipient; /* Domain to qualify recipients with */
+extern 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 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
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 */
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 loger 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 uschar *smtp_ratelimit_rcpt; /* Parameters for RCPT limiting */
extern uschar *smtp_read_error; /* Message for SMTP input error */
extern int smtp_receive_timeout; /* Applies to each received line */
+extern uschar *smtp_receive_timeout_s; /* ... expandable version */
extern uschar *smtp_reserve_hosts; /* Hosts for reserved slots */
extern BOOL smtp_return_error_details; /* TRUE to return full info */
extern int smtp_rlm_base; /* Base interval for MAIL rate limit */
extern 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 uschar *smtputf8_advertise_hosts; /* ingress control */
+#endif
#ifdef WITH_CONTENT_SCAN
extern uschar *spamd_address; /* address for the spamassassin daemon */
extern uschar *spam_bar; /* the spam "bar" (textual representation of spam_score) */
extern uschar *spam_report; /* the spamd report (multiline) */
+extern uschar *spam_action; /* the spamd recommended-action */
extern uschar *spam_score; /* the spam score (float) */
extern uschar *spam_score_int; /* spam_score * 10 (int) */
#endif
extern int timeout_frozen_after; /* Max time to keep frozen messages */
extern BOOL timestamps_utc; /* Use UTC for all times */
-#ifdef EXPERIMENTAL_TPDA
-extern int tpda_defer_errno; /* error number set when a remote delivery is deferred with a host error */
-extern uschar *tpda_defer_errstr; /* error string set when a remote delivery is deferred with a host error */
-extern uschar *tpda_delivery_ip; /* IP of host, which has accepted delivery */
-extern int tpda_delivery_port; /* port of host, which has accepted delivery */
-extern uschar *tpda_delivery_fqdn; /* FQDN of host, which has accepted delivery */
-extern uschar *tpda_delivery_local_part;/* local part of address being delivered */
-extern uschar *tpda_delivery_domain; /* domain part of address being delivered */
-extern uschar *tpda_delivery_confirmation; /* SMTP confirmation message */
-#endif
-
extern uschar *transport_name; /* Name of transport last started */
extern int transport_count; /* Count of bytes transported */
extern int transport_newlines; /* Accurate count of number of newline chars transported */
-extern uschar **transport_filter_argv; /* For on-the-fly filtering */
+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 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 */
extern uschar *version_copyright; /* Copyright notice */
extern uschar *version_date; /* Date of compilation */
extern uschar *version_cnumber; /* Compile number */
git://git.exim.org / exim.git / blobdiff