Avoid wait-for-tick on single-message connections
[exim.git] / src / src / globals.c
index fc3086f7251b603d341a5d0f347ba800984ebe21..50b9c2f2a93e3009f47ac07b9a2429807f275028 100644 (file)
@@ -98,6 +98,10 @@ int     sqlite_lock_timeout    = 5;
 BOOL    move_frozen_messages   = FALSE;
 #endif
 
+#ifdef ALLOW_INSECURE_TAINTED_DATA
+BOOL    allow_insecure_tainted_data = FALSE;
+#endif
+
 /* These variables are outside the #ifdef because it keeps the code less
 cluttered in several places (e.g. during logging) if we can always refer to
 them. Also, the tls_ variables are now always visible.  Note that these are
@@ -120,9 +124,11 @@ uschar *dsn_advertise_hosts    = NULL;
 #ifndef DISABLE_TLS
 BOOL    gnutls_compat_mode     = FALSE;
 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
+uschar *hosts_require_alpn     = NULL;
 uschar *openssl_options        = NULL;
 const pcre *regex_STARTTLS     = NULL;
 uschar *tls_advertise_hosts    = US"*";
+uschar *tls_alpn              = US"smtp:esmtp";
 uschar *tls_certificate        = NULL;
 uschar *tls_crl                = NULL;
 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
@@ -137,12 +143,14 @@ uschar *tls_ocsp_file          = NULL;
 uschar *tls_privatekey         = NULL;
 BOOL    tls_remember_esmtp     = FALSE;
 uschar *tls_require_ciphers    = NULL;
-# ifdef EXPERIMENTAL_TLS_RESUME
+# ifndef DISABLE_TLS_RESUME
 uschar *tls_resumption_hosts   = NULL;
 # endif
 uschar *tls_try_verify_hosts   = NULL;
 uschar *tls_verify_certificates= US"system";
 uschar *tls_verify_hosts       = NULL;
+int     tls_watch_fd          = -1;
+time_t  tls_watch_trigger_time = (time_t)0;
 #else  /*DISABLE_TLS*/
 uschar *tls_advertise_hosts    = NULL;
 #endif
@@ -221,6 +229,7 @@ struct global_flags f =
        .authentication_local   = FALSE,
 
        .background_daemon      = TRUE,
+       .bdat_readers_wanted    = FALSE,
 
        .chunking_offered       = FALSE,
        .config_changed         = FALSE,
@@ -307,6 +316,7 @@ struct global_flags f =
 #endif
        .smtp_in_pipelining_advertised = FALSE,
        .smtp_in_pipelining_used = FALSE,
+       .smtp_in_quit           = FALSE,
        .spool_file_wireformat  = FALSE,
        .submission_mode        = FALSE,
        .suppress_local_fixups  = FALSE,
@@ -382,7 +392,7 @@ BOOL    prod_requires_admin    = TRUE;
 BOOL    proxy_session          = FALSE;
 #endif
 
-#ifdef EXPERIMENTAL_QUEUE_RAMP
+#ifndef DISABLE_QUEUE_RAMP
 BOOL    queue_fast_ramp                = FALSE;
 #endif
 BOOL    queue_list_requires_admin = TRUE;
@@ -407,7 +417,7 @@ BOOL    spf_result_guessed     = FALSE;
 #endif
 BOOL    split_spool_directory  = FALSE;
 BOOL    spool_wireformat       = FALSE;
-#ifdef EXPERIMENTAL_SRS
+#ifdef EXPERIMENTAL_SRS_ALT
 BOOL    srs_usehash            = TRUE;
 BOOL    srs_usetimestamp       = TRUE;
 #endif
@@ -596,7 +606,7 @@ address_item address_defaults = {
     .extra_headers =   NULL,
     .remove_headers =  NULL,
     .variables =       NULL,
-#ifdef EXPERIMENTAL_SRS
+#ifdef EXPERIMENTAL_SRS_ALT
     .srs_sender =      NULL,
 #endif
     .ignore_error =    FALSE,
@@ -703,6 +713,10 @@ unsigned chunking_data_left    = 0;
 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
 const pcre *regex_CHUNKING     = NULL;
 
+#ifdef EXPERIMENTAL_ESMTP_LIMITS
+const pcre *regex_LIMITS        = NULL;
+#endif
+
 uschar *client_authenticator   = NULL;
 uschar *client_authenticated_id = NULL;
 uschar *client_authenticated_sender = NULL;
@@ -729,10 +743,17 @@ uid_t   config_uid             = 0;
 
 int     connection_max_messages= -1;
 uschar *continue_proxy_cipher  = NULL;
+BOOL    continue_proxy_dane    = FALSE;
+uschar *continue_proxy_sni     = NULL;
 uschar *continue_hostname      = NULL;
 uschar *continue_host_address  = NULL;
 int     continue_sequence      = 1;
 uschar *continue_transport     = NULL;
+#ifdef EXPERIMENTAL_ESMTP_LIMITS
+unsigned continue_limit_mail   = 0;
+unsigned continue_limit_rcpt   = 0;
+unsigned continue_limit_rcptdom= 0;
+#endif
 
 uschar *csa_status             = NULL;
 cut_t   cutthrough = {
@@ -975,6 +996,7 @@ uschar *host_reject_connection = NULL;
 tree_node *hostlist_anchor     = NULL;
 int     hostlist_count         = 0;
 uschar *hosts_treat_as_local   = NULL;
+uschar *hosts_require_helo     = US"*";
 uschar *hosts_connection_nolog = NULL;
 
 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
@@ -992,6 +1014,9 @@ uschar *keep_environment       = NULL;
 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 
 uschar *eldap_dn               = NULL;
+#ifdef EXPERIMENTAL_ESMTP_LIMITS
+uschar *limits_advertise_hosts = US"*";
+#endif
 int     load_average           = -2;
 uschar *local_from_prefix      = NULL;
 uschar *local_from_suffix      = NULL;
@@ -1025,12 +1050,16 @@ int     log_default[]          = { /* for initializing log_selector */
   Li_outgoing_interface, /* see d_log_interface in deliver.c */
   Li_msg_id,
   Li_queue_run,
+  Li_queue_time_exclusive,
   Li_rejected_header,
   Li_retry_defer,
   Li_sender_verify_fail,
   Li_size_reject,
   Li_skip_delivery,
   Li_smtp_confirmation,
+#ifdef ALLOW_INSECURE_TAINTED_DATA
+  Li_tainted,
+#endif
   Li_tls_certificate_verified,
   Li_tls_cipher,
   -1
@@ -1073,11 +1102,13 @@ bit_table log_options[]        = { /* must be in alphabetical order,
   BIT_TABLE(L, outgoing_port),
   BIT_TABLE(L, pid),
   BIT_TABLE(L, pipelining),
+  BIT_TABLE(L, protocol_detail),
 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
   BIT_TABLE(L, proxy),
 #endif
   BIT_TABLE(L, queue_run),
   BIT_TABLE(L, queue_time),
+  BIT_TABLE(L, queue_time_exclusive),
   BIT_TABLE(L, queue_time_overall),
   BIT_TABLE(L, receive_time),
   BIT_TABLE(L, received_recipients),
@@ -1098,6 +1129,9 @@ bit_table log_options[]        = { /* must be in alphabetical order,
   BIT_TABLE(L, smtp_protocol_error),
   BIT_TABLE(L, smtp_syntax_error),
   BIT_TABLE(L, subject),
+#ifdef ALLOW_INSECURE_TAINTED_DATA
+  BIT_TABLE(L, tainted),
+#endif
   BIT_TABLE(L, tls_certificate_verified),
   BIT_TABLE(L, tls_cipher),
   BIT_TABLE(L, tls_peerdn),
@@ -1133,7 +1167,6 @@ uschar *message_headers        = NULL;
 uschar *message_id;
 uschar *message_id_domain      = NULL;
 uschar *message_id_text        = NULL;
-struct timeval message_id_tv   = { 0, 0 };
 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 uschar *message_id_external;
 int     message_linecount      = 0;
@@ -1198,6 +1231,7 @@ uschar *proxy_external_address = NULL;
 int     proxy_external_port    = 0;
 uschar *proxy_local_address    = NULL;
 int     proxy_local_port       = 0;
+int     proxy_protocol_timeout = 3;
 #endif
 
 uschar *prvscheck_address      = NULL;
@@ -1263,14 +1297,14 @@ uschar *received_header_text   = US
 int     received_headers_max   = 30;
 uschar *received_protocol      = NULL;
 struct timeval received_time   = { 0, 0 };
-struct timeval received_time_taken = { 0, 0 };
+struct timeval received_time_complete = { 0, 0 };
 uschar *recipient_data         = NULL;
 uschar *recipient_unqualified_hosts = NULL;
 uschar *recipient_verify_failure = NULL;
 int     recipients_count       = 0;
 recipient_item  *recipients_list = NULL;
 int     recipients_list_max    = 0;
-int     recipients_max         = 0;
+int     recipients_max         = 50000;
 const pcre *regex_AUTH         = NULL;
 const pcre *regex_check_dns_names = NULL;
 const pcre *regex_From         = NULL;
@@ -1439,12 +1473,13 @@ int     smtp_accept_count      = 0;
 int     smtp_accept_max        = 20;
 int     smtp_accept_max_nonmail= 10;
 uschar *smtp_accept_max_nonmail_hosts = US"*";
-int     smtp_accept_max_per_connection = 1000;
+uschar *smtp_accept_max_per_connection = US"1000";
 uschar *smtp_accept_max_per_host = NULL;
 int     smtp_accept_queue      = 0;
 int     smtp_accept_queue_per_connection = 10;
 int     smtp_accept_reserve    = 0;
 uschar *smtp_active_hostname   = NULL;
+int    smtp_backlog_monitor   = 0;
 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
                              "Exim $version_number $tod_full"
                              "\0<---------------Space to patch smtp_banner->";
@@ -1457,13 +1492,17 @@ int     smtp_connect_backlog   = 20;
 double  smtp_delay_mail        = 0.0;
 double  smtp_delay_rcpt        = 0.0;
 FILE   *smtp_in                = NULL;
+int     smtp_listen_backlog    = 0;
 int     smtp_load_reserve      = -1;
 int     smtp_mailcmd_count     = 0;
+int     smtp_mailcmd_max       = -1;
 FILE   *smtp_out               = NULL;
 uschar *smtp_etrn_command      = NULL;
 int     smtp_max_synprot_errors= 3;
 int     smtp_max_unknown_commands = 3;
 uschar *smtp_notquit_reason    = NULL;
+unsigned smtp_peer_options     = 0;
+unsigned smtp_peer_options_wrap= 0;
 uschar *smtp_ratelimit_hosts   = NULL;
 uschar *smtp_ratelimit_mail    = NULL;
 uschar *smtp_ratelimit_rcpt    = NULL;
@@ -1479,8 +1518,6 @@ int     smtp_rlr_base          = 0;
 double  smtp_rlr_factor        = 0.0;
 int     smtp_rlr_limit         = 0;
 int     smtp_rlr_threshold     = INT_MAX;
-unsigned smtp_peer_options     = 0;
-unsigned smtp_peer_options_wrap= 0;
 #ifdef SUPPORT_I18N
 uschar *smtputf8_advertise_hosts = US"*";      /* overridden under test-harness */
 #endif
@@ -1508,7 +1545,7 @@ uschar *spf_smtp_comment_template
 FILE   *spool_data_file               = NULL;
 uschar *spool_directory        = US SPOOL_DIRECTORY
                            "\0<--------------Space to patch spool_directory->";
-#ifdef EXPERIMENTAL_SRS
+#ifdef EXPERIMENTAL_SRS_ALT
 uschar *srs_config             = NULL;
 uschar *srs_db_address         = NULL;
 uschar *srs_db_key             = NULL;
@@ -1521,14 +1558,14 @@ uschar *srs_recipient          = NULL;
 uschar *srs_secrets            = NULL;
 uschar *srs_status             = NULL;
 #endif
-#ifdef EXPERIMENTAL_SRS_NATIVE
+#ifdef SUPPORT_SRS
 uschar *srs_recipient          = NULL;
 #endif
 int     string_datestamp_offset= -1;
 int     string_datestamp_length= 0;
 int     string_datestamp_type  = -1;
-uschar *submission_domain      = NULL;
-uschar *submission_name        = NULL;
+const uschar *submission_domain = NULL;
+const uschar *submission_name  = NULL;
 int     syslog_facility        = LOG_MAIL;
 uschar *syslog_processname     = US"exim";
 uschar *system_filter          = NULL;
@@ -1556,60 +1593,16 @@ struct timeval timestamp_startup;
 transport_instance  *transports = NULL;
 
 transport_instance  transport_defaults = {
-    .next =                    NULL,
-    .name =                    NULL,
-    .info =                    NULL,
-    .options_block =           NULL,
-    .driver_name =             NULL,
-    .setup =                   NULL,
+    /* All non-mentioned elements zero/NULL/FALSE */
     .batch_max =               1,
-    .batch_id =                        NULL,
-    .home_dir =                        NULL,
-    .current_dir =             NULL,
-    .expand_multi_domain =     NULL,
     .multi_domain =            TRUE,
-    .overrides_hosts =         FALSE,
     .max_addresses =           100,
     .connection_max_messages = 500,
-    .deliver_as_creator =      FALSE,
-    .disable_logging =         FALSE,
-    .initgroups =              FALSE,
-    .uid_set =                 FALSE,
-    .gid_set =                 FALSE,
     .uid =                     (uid_t)(-1),
     .gid =                     (gid_t)(-1),
-    .expand_uid =              NULL,
-    .expand_gid =              NULL,
-    .warn_message =            NULL,
-    .shadow =                  NULL,
-    .shadow_condition =                NULL,
-    .filter_command =          NULL,
-    .add_headers =             NULL,
-    .remove_headers =          NULL,
-    .return_path =             NULL,
-    .debug_string =            NULL,
-    .max_parallel =            NULL,
-    .message_size_limit =      NULL,
-    .headers_rewrite =         NULL,
-    .rewrite_rules =           NULL,
-    .rewrite_existflags =      0,
     .filter_timeout =          300,
-    .body_only =               FALSE,
-    .delivery_date_add =       FALSE,
-    .envelope_to_add =         FALSE,
-    .headers_only =            FALSE,
-    .rcpt_include_affixes =    FALSE,
-    .return_path_add =         FALSE,
-    .return_output =           FALSE,
-    .return_fail_output =      FALSE,
-    .log_output =              FALSE,
-    .log_fail_output =         FALSE,
-    .log_defer_output =                FALSE,
     .retry_use_local_part =    TRUE_UNSET,     /* retry_use_local_part: BOOL, but set neither
                                                 1 nor 0 so can detect unset */
-#ifndef DISABLE_EVENT
-   .event_action =             NULL
-#endif
 };
 
 int     transport_count;
@@ -1660,7 +1653,7 @@ uschar *uucp_from_sender       = US"$1";
 uschar *verify_mode           = NULL;
 uschar *version_copyright      =
  US"Copyright (c) University of Cambridge, 1995 - 2018\n"
-   "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
+   "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2020";
 uschar *version_date           = US"?";
 uschar *version_cnumber        = US"????";
 uschar *version_string         = US"?";