-/* $Cambridge: exim/src/src/globals.h,v 1.29 2005/09/13 11:13:27 ph10 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2005 */
+/* Copyright (c) University of Cambridge 1995 - 2012 */
/* See the file NOTICE for conditions of use and distribution. */
/* Almost all the global variables are defined together in this one header, so
extern int h_errno;
#endif
+/* We need to be careful about width of int and atomicity in signal handlers,
+especially with the rise of 64-bit systems breaking older assumptions. But
+sig_atomic_t comes from signal.h so can't go into mytypes.h without including
+signal support in local_scan, which seems precipitous. */
+typedef volatile sig_atomic_t SIGNAL_BOOL;
+
/* Now things that are present only when configured. */
#ifdef EXIM_PERL
#endif
#ifdef LOOKUP_LDAP
+extern uschar *eldap_ca_cert_dir; /* Directory with CA certificates */
+extern uschar *eldap_ca_cert_file; /* CA certificate file */
+extern uschar *eldap_cert_file; /* Certificate file */
+extern uschar *eldap_cert_key; /* Certificate key file */
+extern uschar *eldap_cipher_suite; /* Allowed cipher suite */
extern uschar *eldap_default_servers; /* List of default servers */
+extern uschar *eldap_require_cert; /* Peer certificate checking strategy */
+extern BOOL eldap_start_tls; /* Use STARTTLS */
extern int eldap_version; /* LDAP version */
#endif
them. Also, the tls_ variables are now always visible. */
extern int tls_active; /* fd/socket when in a TLS session */
+extern int tls_bits; /* bits used in TLS session */
extern BOOL tls_certificate_verified; /* Client certificate verified */
extern uschar *tls_cipher; /* Cipher used */
extern BOOL tls_on_connect; /* For older MTAs that don't STARTTLS */
extern uschar *tls_peerdn; /* DN from peer */
#ifdef SUPPORT_TLS
+extern BOOL gnutls_compat_mode; /* Less security, more compatibility */
+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 */
+#if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
+extern uschar *tls_ocsp_file; /* OCSP stapling proof file */
+#endif
extern BOOL tls_offered; /* Server offered TLS */
extern uschar *tls_privatekey; /* Private key file */
extern BOOL tls_remember_esmtp; /* For YAEB */
extern uschar *tls_require_ciphers; /* So some can be avoided */
+extern uschar *tls_sni; /* Server Name Indication */
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 (*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
/* General global variables */
extern BOOL accept_8bitmime; /* Allow *BITMIME incoming */
+extern header_line *acl_added_headers; /* Headers added by an ACL */
extern tree_node *acl_anchor; /* Tree of named ACLs */
extern uschar *acl_not_smtp; /* ACL run for non-SMTP messages */
#ifdef WITH_CONTENT_SCAN
extern uschar *acl_not_smtp_mime; /* For MIME parts of ditto */
#endif
+extern uschar *acl_not_smtp_start; /* ACL run at the beginning of a non-SMTP session */
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 */
+#ifndef DISABLE_DKIM
+extern uschar *acl_smtp_dkim; /* ACL run for DKIM signatures / domains */
+#endif
extern uschar *acl_smtp_etrn; /* ACL run for ETRN */
extern uschar *acl_smtp_expn; /* ACL run for EXPN */
extern uschar *acl_smtp_helo; /* ACL run for HELO/EHLO */
#ifdef WITH_CONTENT_SCAN
extern uschar *acl_smtp_mime; /* ACL run after DATA, before acl_smtp_data, for each MIME part */
#endif
+extern uschar *acl_smtp_notquit; /* ACL run for disconnects */
extern uschar *acl_smtp_predata; /* ACL run for DATA command */
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 uschar *acl_var[ACL_C_MAX+ACL_M_MAX]; /* User variables */
+extern tree_node *acl_var_c; /* ACL connection variables */
+extern tree_node *acl_var_m; /* ACL messsage variables */
extern uschar *acl_verify_message; /* User message for verify failure */
-extern header_line *acl_warn_headers; /* Warning headers added by ACL */
extern string_item *acl_warn_logged; /* Logged lines */
-extern int acl_wherecodes[]; /* Response codes for ACL fails */
+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 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 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 int auto_thaw; /* Auto-thaw interval */
#ifdef WITH_CONTENT_SCAN
+extern BOOL av_failed; /* TRUE if the AV process failed */
extern uschar *av_scanner; /* AntiVirus scanner to use for the malware condition */
#endif
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_linecount; /* Line count in body */
-extern int body_zerocount; /* Binary zero count in body */
extern uschar *bounce_message_file; /* Template file */
extern uschar *bounce_message_text; /* One-liner */
extern uschar *bounce_recipient; /* When writing an errmsg */
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 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 clmacro_count; /* Number of command line macros */
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 */
+
+#ifdef EXPERIMENTAL_DCC
+extern BOOL dcc_direct_add_header; /* directly add header */
+extern uschar *dcc_header; /* dcc header */
+extern uschar *dcc_result; /* dcc result */
+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 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
+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 */
-#ifdef EXPERIMENTAL_DOMAINKEYS
-extern uschar *dk_signing_domain; /* Domain used for signing a message. */
-extern uschar *dk_signing_selector; /* Selector used for signing a message. */
-extern int dk_do_verify; /* DK verification switch. Set with ACL control statement. */
+#ifndef DISABLE_DKIM
+extern uschar *dkim_cur_signer; /* Expansion variable, holds the current "signer" domain or identity during a acl_smtp_dkim run */
+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
extern uschar *dns_again_means_nonexist; /* Domains that are badly set up */
extern uschar *dns_ipv4_lookup; /* For these domains, don't look for AAAA (or A6) */
extern int dns_retrans; /* Retransmission time setting */
extern int dns_retry; /* Number of retries */
+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 *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 */
/* 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 int envelope_to_remove; /* Remove envelope_to_headers */
extern int errno_quota; /* Quota errno in this OS */
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 */
extern uschar *gecos_name; /* To be expanded when pattern matches */
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 uschar *hex_digits; /* Used in several places */
+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 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 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 *log_file_path; /* If unset, use default */
extern bit_table log_options[]; /* Table of options */
extern int log_options_count; /* Size of table */
-extern unsigned int log_write_selector;/* Bit map of logging options for log_write() */
+extern int log_reject_target; /* Target log for ACL rejections */
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[]; /* Vector of available lookups */
+extern lookup_info **lookup_list; /* Array of pointers to available lookups */
extern int lookup_list_count; /* Number of entries in the list */
extern int lookup_open_max; /* Max lookup files to cache */
extern uschar *lookup_value; /* Value looked up from file */
#ifdef WITH_CONTENT_SCAN
extern uschar *malware_name; /* Name of virus or malware ("W32/Klez-H") */
#endif
+extern int max_received_linelength;/* What it says */
extern int max_username_length; /* For systems with broken getpwnam() */
extern int message_age; /* In seconds */
extern uschar *message_body; /* Start of message body for filter */
extern uschar *message_body_end; /* End of message body for filter */
+extern BOOL message_body_newlines; /* FALSE => remove newlines */
extern int message_body_size; /* Sic */
extern int message_body_visible; /* Amount visible in message_body */
extern int message_ended; /* State of message reading and how ended */
/* MIME ACL expandables */
#ifdef WITH_CONTENT_SCAN
extern int mime_anomaly_level;
-extern uschar *mime_anomaly_text;
+extern const uschar *mime_anomaly_text;
extern uschar *mime_boundary;
extern uschar *mime_charset;
extern uschar *mime_content_description;
extern uschar *percent_hack_domains; /* Local domains for which '% operates */
extern uschar *pid_file_path; /* For writing daemon pids */
extern uschar *pipelining_advertise_hosts; /* As it says */
+extern BOOL pipelining_enable; /* As it says */
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 int process_info_len;
extern uschar *process_log_path; /* Alternate path */
extern BOOL prod_requires_admin; /* TRUE if prodding requires admin */
extern uschar *prvscheck_address; /* Set during prvscheck expansion item */
extern int queue_interval; /* Queue running interval */
extern BOOL queue_only; /* TRUE to disable immediate delivery */
extern int queue_only_load; /* Max load before auto-queue */
+extern BOOL queue_only_load_latch; /* Latch queue_only_load TRUE */
extern uschar *queue_only_file; /* Queue if file exists/not-exists */
extern BOOL queue_only_override; /* Allow override from command line */
extern BOOL queue_only_policy; /* ACL or local_scan wants queue_only */
extern 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 */
+#ifdef WHITELIST_D_MACROS
+extern const pcre *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) */
#endif
extern uschar *rfc1413_hosts; /* RFC hosts */
extern int rfc1413_query_timeout; /* Timeout on RFC 1413 calls */
/* extern BOOL rfc821_domains; */ /* If set, syntax is 821, not 822 => being abolished */
+extern uid_t root_gid; /* The gid for root */
extern uid_t root_uid; /* The uid for root */
extern router_info routers_available[];/* Vector of available routers */
extern router_instance *routers; /* Chain of instantiated routers */
extern uschar *sender_verify_failure; /* What went wrong */
extern address_item *sender_verified_list; /* Saved chain of sender verifies */
extern address_item *sender_verified_failed; /* The one that caused denial */
-extern volatile BOOL sigalrm_seen; /* Flag for sigalrm_handler */
+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 smtp_accept_count; /* Count of connections */
extern BOOL smtp_accept_keepalive; /* Set keepalive on incoming */
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 uschar smtp_connection_had[]; /* Recent SMTP commands */
extern int smtp_connect_backlog; /* Max backlog permitted */
extern double smtp_delay_mail; /* Current MAIL delay */
extern double smtp_delay_rcpt; /* Current RCPT delay */
extern int smtp_mailcmd_count; /* Count of MAIL commands */
extern int smtp_max_synprot_errors;/* Max syntax/protocol errors */
extern int smtp_max_unknown_commands; /* As it says */
+extern uschar *smtp_notquit_reason; /* Global for disconnect reason */
extern FILE *smtp_out; /* Incoming SMTP output file */
extern uschar *smtp_ratelimit_hosts; /* Rate limit these hosts */
extern uschar *smtp_ratelimit_mail; /* Parameters for MAIL limiting */
extern uschar *spam_score_int; /* spam_score * 10 (int) */
#endif
#ifdef EXPERIMENTAL_SPF
+extern uschar *spf_guess; /* spf best-guess record */
extern uschar *spf_header_comment; /* spf header comment */
-extern uschar *spf_received; /* SPF-Received: header */
+extern uschar *spf_received; /* Received-SPF: header */
extern uschar *spf_result; /* spf result in string form */
extern uschar *spf_smtp_comment; /* spf comment to include in SMTP reply */
#endif
extern BOOL srs_usehash; /* SRS use hash flag */
extern BOOL srs_usetimestamp; /* SRS use timestamp flag */
#endif
+extern BOOL strict_acl_vars; /* ACL variables have to be set before being used */
extern int string_datestamp_offset;/* After insertion by string_format */
+extern int string_datestamp_length;/* After insertion by string_format */
+extern int string_datestamp_type; /* After insertion by string_format */
extern BOOL strip_excess_angle_brackets; /* Surrounding route-addrs */
extern BOOL strip_trailing_dot; /* Remove dots at ends of domains */
extern uschar *submission_domain; /* Domain for submission mode */
extern BOOL system_filtering; /* TRUE when running system filter */
extern BOOL tcp_nodelay; /* Controls TCP_NODELAY on daemon */
+#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 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 int transport_filter_timeout; /* Timeout for same */
extern BOOL transport_filter_timed_out; /* True if it did */
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 */
git://git.exim.org / exim.git / blobdiff