Testsuite: more time for slow test platform

[exim.git] / src / src / globals.c

diff --git a/src/src/globals.c b/src/src/globals.c
index b3bbd7faffe0f9c7f57bb22cd3af12bc258a6946..2a53835e9e8d8b3fbe65d6b9b6879b78dc7ce5d9 100644 (file)
--- a/src/src/globals.c
+++ b/src/src/globals.c
@@ -1,10 +1,8 @@
-/* $Cambridge: exim/src/src/globals.c,v 1.68 2007/02/05 12:35:46 ph10 Exp $ */
-

 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 

-/* Copyright (c) University of Cambridge 1995 - 2007 */
+/* Copyright (c) University of Cambridge 1995 - 2017 */

 /* See the file NOTICE for conditions of use and distribution. */
 
 /* All the global variables are defined together in this one module, so
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* All the global variables are defined together in this one module, so


@@ -13,25 +11,14 @@ that they are easy to find. */
 #include "exim.h"
 
 
 #include "exim.h"
 
 

-/* The OSF1 linker puts out a worrying warning if any sections contain no
-executable code. It says
-
-Warning: Linking some objects which contain exception information sections
-        and some which do not. This may cause fatal runtime exception handling
-        problems.
-
-As this may cause people to worry needlessly, include a dummy function here
-to stop the message from appearing. Make it reference itself to stop picky
-compilers complaining that it is unused, and put in a dummy argument to stop
-even pickier compilers complaining about infinite loops. */
-
-static void dummy(int x) { dummy(x-1); }
-
-

 /* Generic options for auths, all of which live inside auth_instance
 data blocks and hence have the opt_public flag set. */
 
 optionlist optionlist_auths[] = {
 /* Generic options for auths, all of which live inside auth_instance
 data blocks and hence have the opt_public flag set. */
 
 optionlist optionlist_auths[] = {

+  { "client_condition", opt_stringptr | opt_public,
+                 (void *)(offsetof(auth_instance, client_condition)) },
+  { "client_set_id", opt_stringptr | opt_public,
+                 (void *)(offsetof(auth_instance, set_client_id)) },

   { "driver",        opt_stringptr | opt_public,
                  (void *)(offsetof(auth_instance, driver_name)) },
   { "public_name",   opt_stringptr | opt_public,
   { "driver",        opt_stringptr | opt_public,
                  (void *)(offsetof(auth_instance, driver_name)) },
   { "public_name",   opt_stringptr | opt_public,


@@ -48,7 +35,7 @@ optionlist optionlist_auths[] = {
                  (void *)(offsetof(auth_instance, set_id)) }
 };
 
                  (void *)(offsetof(auth_instance, set_id)) }
 };
 

-int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
+int     optionlist_auths_size = nelem(optionlist_auths);

 
 /* An empty host aliases list. */
 
 
 /* An empty host aliases list. */
 


@@ -62,6 +49,7 @@ duplicate them here... */
 uschar *opt_perl_startup       = NULL;
 BOOL    opt_perl_at_start      = FALSE;
 BOOL    opt_perl_started       = FALSE;
 uschar *opt_perl_startup       = NULL;
 BOOL    opt_perl_at_start      = FALSE;
 BOOL    opt_perl_started       = FALSE;

+BOOL    opt_perl_taintmode     = FALSE;

 #endif
 
 #ifdef EXPAND_DLFUNC
 #endif
 
 #ifdef EXPAND_DLFUNC


@@ -73,8 +61,15 @@ uschar *ibase_servers          = NULL;
 #endif
 
 #ifdef LOOKUP_LDAP
 #endif
 
 #ifdef LOOKUP_LDAP

+uschar *eldap_ca_cert_dir      = NULL;
+uschar *eldap_ca_cert_file     = NULL;
+uschar *eldap_cert_file        = NULL;
+uschar *eldap_cert_key         = NULL;
+uschar *eldap_cipher_suite     = NULL;

 uschar *eldap_default_servers  = NULL;
 uschar *eldap_default_servers  = NULL;

+uschar *eldap_require_cert     = NULL;

 int     eldap_version          = -1;
 int     eldap_version          = -1;

+BOOL    eldap_start_tls        = FALSE;

 #endif
 
 #ifdef LOOKUP_MYSQL
 #endif
 
 #ifdef LOOKUP_MYSQL


@@ -89,6 +84,10 @@ uschar *oracle_servers         = NULL;
 uschar *pgsql_servers          = NULL;
 #endif
 
 uschar *pgsql_servers          = NULL;
 #endif
 

+#ifdef LOOKUP_REDIS
+uschar *redis_servers          = NULL;
+#endif
+

 #ifdef LOOKUP_SQLITE
 int     sqlite_lock_timeout    = 5;
 #endif
 #ifdef LOOKUP_SQLITE
 int     sqlite_lock_timeout    = 5;
 #endif


@@ -101,41 +100,99 @@ BOOL    move_frozen_messages   = FALSE;
 cluttered in several places (e.g. during logging) if we can always refer to
 them. Also, the tls_ variables are now always visible. */
 
 cluttered in several places (e.g. during logging) if we can always refer to
 them. Also, the tls_ variables are now always visible. */
 

-BOOL    tls_active             = -1;
-BOOL    tls_certificate_verified = FALSE;
-uschar *tls_cipher             = NULL;
-BOOL    tls_on_connect         = FALSE;
-uschar *tls_on_connect_ports   = NULL;
-uschar *tls_peerdn             = NULL;
+tls_support tls_in = {
+ .active =             -1,
+ .bits =               0,
+ .certificate_verified = FALSE,
+#ifdef EXPERIMENTAL_DANE
+ .dane_verified =      FALSE,
+ .tlsa_usage =         0,
+#endif
+ .cipher =             NULL,
+ .on_connect =         FALSE,
+ .on_connect_ports =   NULL,
+ .ourcert =            NULL,
+ .peercert =           NULL,
+ .peerdn =             NULL,
+ .sni =                        NULL,
+ .ocsp =               OCSP_NOT_REQ
+};
+tls_support tls_out = {
+ .active =             -1,
+ .bits =               0,
+ .certificate_verified = FALSE,
+#ifdef EXPERIMENTAL_DANE
+ .dane_verified =      FALSE,
+ .tlsa_usage =         0,
+#endif
+ .cipher =             NULL,
+ .on_connect =         FALSE,
+ .on_connect_ports =   NULL,
+ .ourcert =            NULL,
+ .peercert =           NULL,
+ .peerdn =             NULL,
+ .sni =                        NULL,
+ .ocsp =               OCSP_NOT_REQ
+};
+
+uschar *dsn_envid              = NULL;
+int     dsn_ret                = 0;
+const pcre  *regex_DSN         = NULL;
+uschar *dsn_advertise_hosts    = NULL;

 
 #ifdef SUPPORT_TLS
 
 #ifdef SUPPORT_TLS

-uschar *gnutls_require_mac     = NULL;
-uschar *gnutls_require_kx      = NULL;
-uschar *gnutls_require_proto   = NULL;
+BOOL    gnutls_compat_mode     = FALSE;
+BOOL    gnutls_allow_auto_pkcs11 = FALSE;
+uschar *openssl_options        = NULL;

 const pcre *regex_STARTTLS     = NULL;
 const pcre *regex_STARTTLS     = NULL;

-uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
+uschar *tls_advertise_hosts    = US"*";

 uschar *tls_certificate        = NULL;
 uschar *tls_crl                = NULL;
 uschar *tls_certificate        = NULL;
 uschar *tls_crl                = NULL;

+/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
+that's the interop problem which has been observed: GnuTLS suggesting a higher
+bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
+int     tls_dh_max_bits        = 2236;

 uschar *tls_dhparam            = NULL;
 uschar *tls_dhparam            = NULL;

-BOOL    tls_offered            = FALSE;
+uschar *tls_eccurve            = US"auto";
+# ifndef DISABLE_OCSP
+uschar *tls_ocsp_file          = NULL;
+# endif

 uschar *tls_privatekey         = NULL;
 BOOL    tls_remember_esmtp     = FALSE;
 uschar *tls_require_ciphers    = NULL;
 uschar *tls_try_verify_hosts   = NULL;
 uschar *tls_privatekey         = NULL;
 BOOL    tls_remember_esmtp     = FALSE;
 uschar *tls_require_ciphers    = NULL;
 uschar *tls_try_verify_hosts   = NULL;

-uschar *tls_verify_certificates= NULL;
+uschar *tls_verify_certificates= US"system";

 uschar *tls_verify_hosts       = NULL;
 uschar *tls_verify_hosts       = NULL;

+#else  /*!SUPPORT_TLS*/
+uschar *tls_advertise_hosts    = NULL;

 #endif
 
 #endif
 

+#ifndef DISABLE_PRDR
+/* Per Recipient Data Response variables */
+BOOL    prdr_enable            = FALSE;
+BOOL    prdr_requested         = FALSE;
+const pcre *regex_PRDR         = NULL;
+#endif
+
+#ifdef SUPPORT_I18N
+const pcre *regex_UTF8         = NULL;
+#endif

 
 /* Input-reading functions for messages, so we can use special ones for
 incoming TCP/IP. The defaults use stdin. We never need these for any
 stand-alone tests. */
 
 
 /* Input-reading functions for messages, so we can use special ones for
 incoming TCP/IP. The defaults use stdin. We never need these for any
 stand-alone tests. */
 

-#ifndef STAND_ALONE
-int (*receive_getc)(void)      = stdin_getc;
+#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
+int (*lwr_receive_getc)(unsigned) = stdin_getc;
+uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
+int (*lwr_receive_ungetc)(int) = stdin_ungetc;
+int (*receive_getc)(unsigned)  = stdin_getc;
+uschar * (*receive_getbuf)(unsigned *)  = NULL;
+void (*receive_get_cache)(void)= NULL;

 int (*receive_ungetc)(int)     = stdin_ungetc;
 int (*receive_feof)(void)      = stdin_feof;
 int (*receive_ferror)(void)    = stdin_ferror;
 int (*receive_ungetc)(int)     = stdin_ungetc;
 int (*receive_feof)(void)      = stdin_feof;
 int (*receive_ferror)(void)    = stdin_ferror;

+BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */

 #endif
 
 
 #endif
 
 


@@ -143,24 +200,24 @@ int (*receive_ferror)(void)    = stdin_ferror;
 when verifying one address while routing/verifying another. We have to have
 the size explicit, because it is referenced from more than one module. */
 
 when verifying one address while routing/verifying another. We have to have
 the size explicit, because it is referenced from more than one module. */
 

-uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
-  &deliver_address_data,
-  &deliver_domain,
-  &deliver_domain_data,
-  &deliver_domain_orig,
-  &deliver_domain_parent,
-  &deliver_localpart,
-  &deliver_localpart_data,
-  &deliver_localpart_orig,
-  &deliver_localpart_parent,
-  &deliver_localpart_prefix,
-  &deliver_localpart_suffix,
-  (uschar **)(&deliver_recipients),
-  &deliver_host,
-  &deliver_home,
-  &address_file,
-  &address_pipe,
-  &self_hostname,
+const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
+  CUSS &deliver_address_data,
+  CUSS &deliver_domain,
+  CUSS &deliver_domain_data,
+  CUSS &deliver_domain_orig,
+  CUSS &deliver_domain_parent,
+  CUSS &deliver_localpart,
+  CUSS &deliver_localpart_data,
+  CUSS &deliver_localpart_orig,
+  CUSS &deliver_localpart_parent,
+  CUSS &deliver_localpart_prefix,
+  CUSS &deliver_localpart_suffix,
+  CUSS (uschar **)(&deliver_recipients),
+  CUSS &deliver_host,
+  CUSS &deliver_home,
+  CUSS &address_file,
+  CUSS &address_pipe,
+  CUSS &self_hostname,

   NULL };
 
 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
   NULL };
 
 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);


@@ -169,14 +226,27 @@ int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 
 header_line *acl_added_headers = NULL;
 tree_node *acl_anchor          = NULL;
 
 header_line *acl_added_headers = NULL;
 tree_node *acl_anchor          = NULL;

+uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
+                                  NULL, NULL, NULL, NULL};
+int     acl_narg               = 0;
+
+int     acl_level             = 0;
+

 uschar *acl_not_smtp           = NULL;
 #ifdef WITH_CONTENT_SCAN
 uschar *acl_not_smtp_mime      = NULL;
 #endif
 uschar *acl_not_smtp_start     = NULL;
 uschar *acl_not_smtp           = NULL;
 #ifdef WITH_CONTENT_SCAN
 uschar *acl_not_smtp_mime      = NULL;
 #endif
 uschar *acl_not_smtp_start     = NULL;

+uschar *acl_removed_headers    = NULL;

 uschar *acl_smtp_auth          = NULL;
 uschar *acl_smtp_connect       = NULL;
 uschar *acl_smtp_data          = NULL;
 uschar *acl_smtp_auth          = NULL;
 uschar *acl_smtp_connect       = NULL;
 uschar *acl_smtp_data          = NULL;

+#ifndef DISABLE_PRDR
+uschar *acl_smtp_data_prdr     = US"accept";
+#endif
+#ifndef DISABLE_DKIM
+uschar *acl_smtp_dkim          = NULL;
+#endif

 uschar *acl_smtp_etrn          = NULL;
 uschar *acl_smtp_expn          = NULL;
 uschar *acl_smtp_helo          = NULL;
 uschar *acl_smtp_etrn          = NULL;
 uschar *acl_smtp_expn          = NULL;
 uschar *acl_smtp_helo          = NULL;


@@ -185,11 +255,13 @@ uschar *acl_smtp_mailauth      = NULL;
 #ifdef WITH_CONTENT_SCAN
 uschar *acl_smtp_mime          = NULL;
 #endif
 #ifdef WITH_CONTENT_SCAN
 uschar *acl_smtp_mime          = NULL;
 #endif

+uschar *acl_smtp_notquit       = NULL;

 uschar *acl_smtp_predata       = NULL;
 uschar *acl_smtp_quit          = NULL;
 uschar *acl_smtp_rcpt          = NULL;
 uschar *acl_smtp_starttls      = NULL;
 uschar *acl_smtp_vrfy          = NULL;
 uschar *acl_smtp_predata       = NULL;
 uschar *acl_smtp_quit          = NULL;
 uschar *acl_smtp_rcpt          = NULL;
 uschar *acl_smtp_starttls      = NULL;
 uschar *acl_smtp_vrfy          = NULL;

+

 BOOL    acl_temp_details       = FALSE;
 tree_node *acl_var_c           = NULL;
 tree_node *acl_var_m           = NULL;
 BOOL    acl_temp_details       = FALSE;
 tree_node *acl_var_c           = NULL;
 tree_node *acl_var_m           = NULL;


@@ -203,7 +275,11 @@ uschar *acl_wherenames[]       = { US"RCPT",
                                    US"MAIL",
                                    US"PREDATA",
                                    US"MIME",
                                    US"MAIL",
                                    US"PREDATA",
                                    US"MIME",

+                                   US"DKIM",

                                    US"DATA",
                                    US"DATA",

+#ifndef DISABLE_PRDR
+                                   US"PRDR",
+#endif

                                    US"non-SMTP",
                                    US"AUTH",
                                    US"connection",
                                    US"non-SMTP",
                                    US"AUTH",
                                    US"connection",


@@ -212,16 +288,23 @@ uschar *acl_wherenames[]       = { US"RCPT",
                                    US"EHLO or HELO",
                                    US"MAILAUTH",
                                    US"non-SMTP-start",
                                    US"EHLO or HELO",
                                    US"MAILAUTH",
                                    US"non-SMTP-start",

+                                   US"NOTQUIT",

                                    US"QUIT",
                                    US"STARTTLS",
                                    US"QUIT",
                                    US"STARTTLS",

-                                   US"VRFY"
+                                   US"VRFY",
+                                  US"delivery",
+                                  US"unknown"

                                  };
 
 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
                                    US"550",     /* MAIL */
                                    US"550",     /* PREDATA */
                                    US"550",     /* MIME */
                                  };
 
 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
                                    US"550",     /* MAIL */
                                    US"550",     /* PREDATA */
                                    US"550",     /* MIME */

+                                   US"550",     /* DKIM */

                                    US"550",     /* DATA */
                                    US"550",     /* DATA */

+#ifndef DISABLE_PRDR
+                                   US"550",    /* RCPT PRDR */
+#endif

                                    US"0",       /* not SMTP; not relevant */
                                    US"503",     /* AUTH */
                                    US"550",     /* connect */
                                    US"0",       /* not SMTP; not relevant */
                                    US"503",     /* AUTH */
                                    US"550",     /* connect */


@@ -230,73 +313,97 @@ uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
                                    US"550",     /* HELO/EHLO */
                                    US"0",       /* MAILAUTH; not relevant */
                                    US"0",       /* not SMTP; not relevant */
                                    US"550",     /* HELO/EHLO */
                                    US"0",       /* MAILAUTH; not relevant */
                                    US"0",       /* not SMTP; not relevant */

+                                   US"0",       /* NOTQUIT; not relevant */

                                    US"0",       /* QUIT; not relevant */
                                    US"550",     /* STARTTLS */
                                    US"0",       /* QUIT; not relevant */
                                    US"550",     /* STARTTLS */

-                                   US"252"      /* VRFY */
+                                   US"252",     /* VRFY */
+                                  US"0",       /* delivery; not relevant */
+                                  US"0"        /* unknown; not relevant */

                                  };
 
 BOOL    active_local_from_check = FALSE;
 BOOL    active_local_sender_retain = FALSE;
                                  };
 
 BOOL    active_local_from_check = FALSE;
 BOOL    active_local_sender_retain = FALSE;

-BOOL    accept_8bitmime        = FALSE;
+BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
+uschar *add_environment        = NULL;

 address_item  *addr_duplicate  = NULL;
 
 address_item address_defaults = {
 address_item  *addr_duplicate  = NULL;
 
 address_item address_defaults = {

-  NULL,                 /* next */
-  NULL,                 /* parent */
-  NULL,                 /* first */
-  NULL,                 /* dupof */
-  NULL,                 /* start_router */
-  NULL,                 /* router */
-  NULL,                 /* transport */
-  NULL,                 /* host_list */
-  NULL,                 /* host_used */
-  NULL,                 /* fallback_hosts */
-  NULL,                 /* reply */
-  NULL,                 /* retries */
-  NULL,                 /* address */
-  NULL,                 /* unique */
-  NULL,                 /* cc_local_part */
-  NULL,                 /* lc_local_part */
-  NULL,                 /* local_part */
-  NULL,                 /* prefix */
-  NULL,                 /* suffix */
-  NULL,                 /* domain */
-  NULL,                 /* address_retry_key */
-  NULL,                 /* domain_retry_key */
-  NULL,                 /* current_dir */
-  NULL,                 /* home_dir */
-  NULL,                 /* message */
-  NULL,                 /* user_message */
-  NULL,                 /* onetime_parent */
-  NULL,                 /* pipe_expandn */
-  NULL,                 /* return_filename */
-  NULL,                 /* self_hostname */
-  NULL,                 /* shadow_message */
-  #ifdef SUPPORT_TLS
-  NULL,                 /* cipher */
-  NULL,                 /* peerdn */
-  #endif
-  (uid_t)(-1),          /* uid */
-  (gid_t)(-1),          /* gid */
-  0,                    /* flags */
-  { 0 },                /* domain_cache - any larger array should be zeroed */
-  { 0 },                /* localpart_cache - ditto */
-  -1,                   /* mode */
-  0,                    /* more_errno */
-  ERRNO_UNKNOWNERROR,   /* basic_errno */
-  0,                    /* child_count */
-  -1,                   /* return_file */
-  SPECIAL_NONE,         /* special_action */
-  DEFER,                /* transport_return */
-  {                     /* fields that are propagated to children */
-    NULL,               /* address_data */
-    NULL,               /* domain_data */
-    NULL,               /* localpart_data */
-    NULL,               /* errors_address */
-    NULL,               /* extra_headers */
-    NULL,               /* remove_headers */
+  .next =              NULL,
+  .parent =            NULL,
+  .first =             NULL,
+  .dupof =             NULL,
+  .start_router =      NULL,
+  .router =            NULL,
+  .transport =         NULL,
+  .host_list =         NULL,
+  .host_used =         NULL,
+  .fallback_hosts =    NULL,
+  .reply =             NULL,
+  .retries =           NULL,
+  .address =           NULL,
+  .unique =            NULL,
+  .cc_local_part =     NULL,
+  .lc_local_part =     NULL,
+  .local_part =                NULL,
+  .prefix =            NULL,
+  .suffix =            NULL,
+  .domain =            NULL,
+  .address_retry_key = NULL,
+  .domain_retry_key =  NULL,
+  .current_dir =       NULL,
+  .home_dir =          NULL,
+  .message =           NULL,
+  .user_message =      NULL,
+  .onetime_parent =    NULL,
+  .pipe_expandn =      NULL,
+  .return_filename =   NULL,
+  .self_hostname =     NULL,
+  .shadow_message =    NULL,
+#ifdef SUPPORT_TLS
+  .cipher =            NULL,
+  .ourcert =           NULL,
+  .peercert =          NULL,
+  .peerdn =            NULL,
+  .ocsp =              OCSP_NOT_REQ,
+#endif
+#ifdef EXPERIMENTAL_DSN_INFO
+  .smtp_greeting =     NULL,
+  .helo_response =     NULL,
+#endif
+  .authenticator =     NULL,
+  .auth_id =           NULL,
+  .auth_sndr =         NULL,
+  .dsn_orcpt =         NULL,
+  .dsn_flags =         0,
+  .dsn_aware =         0,
+  .uid =               (uid_t)(-1),
+  .gid =               (gid_t)(-1),
+  .flags =             { 0 },
+  .domain_cache =      { 0 },                /* domain_cache - any larger array should be zeroed */
+  .localpart_cache =   { 0 },                /* localpart_cache - ditto */
+  .mode =              -1,
+  .more_errno =                0,
+  .delivery_usec =     0,
+  .basic_errno =       ERRNO_UNKNOWNERROR,
+  .child_count =       0,
+  .return_file =       -1,
+  .special_action =    SPECIAL_NONE,
+  .transport_return =  DEFER,
+  .prop = {                                    /* fields that are propagated to children */
+    .address_data =    NULL,
+    .domain_data =     NULL,
+    .localpart_data =  NULL,
+    .errors_address =  NULL,
+    .extra_headers =   NULL,
+    .remove_headers =  NULL,

 #ifdef EXPERIMENTAL_SRS
 #ifdef EXPERIMENTAL_SRS

-    NULL,               /* srs_sender */
+    .srs_sender =      NULL,
+#endif
+    .ignore_error =    FALSE,
+#ifdef SUPPORT_I18N
+    .utf8_msg =                FALSE,
+    .utf8_downcvt =    FALSE,
+    .utf8_downcvt_maybe = FALSE

 #endif
   }
 };
 #endif
   }
 };


@@ -314,26 +421,29 @@ BOOL    allow_mx_to_ip         = FALSE;
 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 BOOL    allow_utf8_domains     = FALSE;
 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 BOOL    allow_utf8_domains     = FALSE;

+uschar *authenticated_fail_id  = NULL;

 uschar *authenticated_id       = NULL;
 uschar *authenticated_sender   = NULL;
 BOOL    authentication_failed  = FALSE;
 auth_instance  *auths          = NULL;
 uschar *auth_advertise_hosts   = US"*";
 auth_instance auth_defaults    = {
 uschar *authenticated_id       = NULL;
 uschar *authenticated_sender   = NULL;
 BOOL    authentication_failed  = FALSE;
 auth_instance  *auths          = NULL;
 uschar *auth_advertise_hosts   = US"*";
 auth_instance auth_defaults    = {

-    NULL,                      /* chain pointer */
-    NULL,                      /* name */
-    NULL,                      /* info */
-    NULL,                      /* private options block pointer */
-    NULL,                      /* driver_name */
-    NULL,                      /* advertise_condition */
-    NULL,                      /* public_name */
-    NULL,                      /* set_id */
-    NULL,                      /* server_mail_auth_condition */
-    NULL,                      /* server_debug_string */
-    NULL,                      /* server_condition */
-    FALSE,                     /* client */
-    FALSE,                     /* server */
-    FALSE                      /* advertised */
+    .next =            NULL,
+    .name =            NULL,
+    .info =            NULL,
+    .options_block =   NULL,
+    .driver_name =     NULL,
+    .advertise_condition = NULL,
+    .client_condition =        NULL,
+    .public_name =     NULL,
+    .set_id =          NULL,
+    .set_client_id =   NULL,
+    .mail_auth_condition = NULL,
+    .server_debug_string = NULL,
+    .server_condition =        NULL,
+    .client =          FALSE,
+    .server =          FALSE,
+    .advertised =      FALSE

 };
 
 uschar *auth_defer_msg         = US"reason not recorded";
 };
 
 uschar *auth_defer_msg         = US"reason not recorded";


@@ -341,6 +451,7 @@ uschar *auth_defer_user_msg    = US"";
 uschar *auth_vars[AUTH_VARS];
 int     auto_thaw              = 0;
 #ifdef WITH_CONTENT_SCAN
 uschar *auth_vars[AUTH_VARS];
 int     auto_thaw              = 0;
 #ifdef WITH_CONTENT_SCAN

+BOOL    av_failed              = FALSE;

 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 #endif
 
 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 #endif
 


@@ -365,46 +476,68 @@ int     bmi_deliver            = 1;
 int     bmi_run                = 0;
 uschar *bmi_verdicts           = NULL;
 #endif
 int     bmi_run                = 0;
 uschar *bmi_verdicts           = NULL;
 #endif

+int     bsmtp_transaction_linecount = 0;
+int     body_8bitmime          = 0;

 int     body_linecount         = 0;
 int     body_zerocount         = 0;
 uschar *bounce_message_file    = NULL;
 uschar *bounce_message_text    = NULL;
 uschar *bounce_recipient       = NULL;
 BOOL    bounce_return_body     = TRUE;
 int     body_linecount         = 0;
 int     body_zerocount         = 0;
 uschar *bounce_message_file    = NULL;
 uschar *bounce_message_text    = NULL;
 uschar *bounce_recipient       = NULL;
 BOOL    bounce_return_body     = TRUE;

+int     bounce_return_linesize_limit = 998;

 BOOL    bounce_return_message  = TRUE;
 int     bounce_return_size_limit = 100*1024;
 uschar *bounce_sender_authentication = NULL;
 BOOL    bounce_return_message  = TRUE;
 int     bounce_return_size_limit = 100*1024;
 uschar *bounce_sender_authentication = NULL;

-int     bsmtp_transaction_linecount = 0;
+uschar *builtin_macros_create_trigger = NULL;

 
 

+uschar *callout_address        = NULL;

 int     callout_cache_domain_positive_expire = 7*24*60*60;
 int     callout_cache_domain_negative_expire = 3*60*60;
 int     callout_cache_positive_expire = 24*60*60;
 int     callout_cache_negative_expire = 2*60*60;
 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 int     callout_cache_domain_positive_expire = 7*24*60*60;
 int     callout_cache_domain_negative_expire = 3*60*60;
 int     callout_cache_positive_expire = 24*60*60;
 int     callout_cache_negative_expire = 2*60*60;
 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";

-uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
-int     check_log_inodes       = 0;
-int     check_log_space        = 0;
+uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
+int     check_log_inodes       = 100;
+int     check_log_space        = 10*1024;      /* 10K Kbyte == 10MB */

 BOOL    check_rfc2047_length   = TRUE;
 BOOL    check_rfc2047_length   = TRUE;

-int     check_spool_inodes     = 0;
-int     check_spool_space      = 0;
+int     check_spool_inodes     = 100;
+int     check_spool_space      = 10*1024;      /* 10K Kbyte == 10MB */
+
+uschar *chunking_advertise_hosts = US"*";
+unsigned chunking_datasize     = 0;
+unsigned chunking_data_left    = 0;
+BOOL    chunking_offered       = FALSE;
+chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
+const pcre *regex_CHUNKING     = NULL;
+
+uschar *client_authenticator   = NULL;
+uschar *client_authenticated_id = NULL;
+uschar *client_authenticated_sender = NULL;

 int     clmacro_count          = 0;
 uschar *clmacros[MAX_CLMACROS];
 int     clmacro_count          = 0;
 uschar *clmacros[MAX_CLMACROS];

+BOOL    commandline_checks_require_admin = FALSE;

 BOOL    config_changed         = FALSE;
 FILE   *config_file            = NULL;
 BOOL    config_changed         = FALSE;
 FILE   *config_file            = NULL;

-uschar *config_filename        = NULL;
+const uschar *config_filename  = NULL;

 int     config_lineno          = 0;
 #ifdef CONFIGURE_GROUP
 gid_t   config_gid             = CONFIGURE_GROUP;
 int     config_lineno          = 0;
 #ifdef CONFIGURE_GROUP
 gid_t   config_gid             = CONFIGURE_GROUP;

+#else
+gid_t   config_gid             = 0;

 #endif
 uschar *config_main_filelist   = US CONFIGURE_FILE
                          "\0<-----------Space to patch configure_filename->";
 uschar *config_main_filename   = NULL;
 #endif
 uschar *config_main_filelist   = US CONFIGURE_FILE
                          "\0<-----------Space to patch configure_filename->";
 uschar *config_main_filename   = NULL;

+uschar *config_main_directory  = NULL;

 
 #ifdef CONFIGURE_OWNER
 uid_t   config_uid             = CONFIGURE_OWNER;
 
 #ifdef CONFIGURE_OWNER
 uid_t   config_uid             = CONFIGURE_OWNER;

+#else
+uid_t   config_uid             = 0;

 #endif
 
 int     connection_max_messages= -1;
 #endif
 
 int     connection_max_messages= -1;

+uschar *continue_proxy_cipher  = NULL;

 uschar *continue_hostname      = NULL;
 uschar *continue_host_address  = NULL;
 BOOL    continue_more          = FALSE;
 uschar *continue_hostname      = NULL;
 uschar *continue_host_address  = NULL;
 BOOL    continue_more          = FALSE;


@@ -412,49 +545,72 @@ int     continue_sequence      = 1;
 uschar *continue_transport     = NULL;
 
 uschar *csa_status             = NULL;
 uschar *continue_transport     = NULL;
 
 uschar *csa_status             = NULL;

+cut_t   cutthrough = {
+  .callout_hold_only = FALSE,                          /* verify-only: normal delivery */
+  .delivery =          FALSE,                          /* when to attempt */
+  .defer_pass =                FALSE,                          /* on defer: spool locally */
+  .is_tls =            FALSE,                          /* not a TLS conn yet */
+  .fd =                        -1,                             /* open connection */
+  .nrcpt =             0,                              /* number of addresses */
+};

 
 BOOL    daemon_listen          = FALSE;
 uschar *daemon_smtp_port       = US"smtp";
 int     daemon_startup_retries = 9;
 int     daemon_startup_sleep   = 30;
 
 BOOL    daemon_listen          = FALSE;
 uschar *daemon_smtp_port       = US"smtp";
 int     daemon_startup_retries = 9;
 int     daemon_startup_sleep   = 30;

+
+#ifdef EXPERIMENTAL_DCC
+BOOL    dcc_direct_add_header  = FALSE;
+uschar *dcc_header             = NULL;
+uschar *dcc_result             = NULL;
+uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
+uschar *dccifd_options         = US"header";
+#endif
+

 BOOL    debug_daemon           = FALSE;
 int     debug_fd               = -1;
 FILE   *debug_file             = NULL;
 BOOL    debug_daemon           = FALSE;
 int     debug_fd               = -1;
 FILE   *debug_file             = NULL;

-bit_table debug_options[]      = {
-  { US"acl",            D_acl },
-  { US"all",            D_all },
-  { US"auth",           D_auth },
-  { US"deliver",        D_deliver },
-  { US"dns",            D_dns },
-  { US"dnsbl",          D_dnsbl },
-  { US"exec",           D_exec },
-  { US"expand",         D_expand },
-  { US"filter",         D_filter },
-  { US"hints_lookup",   D_hints_lookup },
-  { US"host_lookup",    D_host_lookup },
-  { US"ident",          D_ident },
-  { US"interface",      D_interface },
-  { US"lists",          D_lists },
-  { US"load",           D_load },
-  { US"local_scan",     D_local_scan },
-  { US"lookup",         D_lookup },
-  { US"memory",         D_memory },
-  { US"pid",            D_pid },
-  { US"process_info",   D_process_info },
-  { US"queue_run",      D_queue_run },
-  { US"receive",        D_receive },
-  { US"resolver",       D_resolver },
-  { US"retry",          D_retry },
-  { US"rewrite",        D_rewrite },
-  { US"route",          D_route },
-  { US"timestamp",      D_timestamp },
-  { US"tls",            D_tls },
-  { US"transport",      D_transport },
-  { US"uid",            D_uid },
-  { US"verify",         D_verify }
+int     debug_notall[]         = {
+  Di_memory,
+  -1
+};
+bit_table debug_options[]      = { /* must be in alphabetical order */
+  BIT_TABLE(D, acl),
+  BIT_TABLE(D, all),
+  BIT_TABLE(D, auth),
+  BIT_TABLE(D, deliver),
+  BIT_TABLE(D, dns),
+  BIT_TABLE(D, dnsbl),
+  BIT_TABLE(D, exec),
+  BIT_TABLE(D, expand),
+  BIT_TABLE(D, filter),
+  BIT_TABLE(D, hints_lookup),
+  BIT_TABLE(D, host_lookup),
+  BIT_TABLE(D, ident),
+  BIT_TABLE(D, interface),
+  BIT_TABLE(D, lists),
+  BIT_TABLE(D, load),
+  BIT_TABLE(D, local_scan),
+  BIT_TABLE(D, lookup),
+  BIT_TABLE(D, memory),
+  BIT_TABLE(D, pid),
+  BIT_TABLE(D, process_info),
+  BIT_TABLE(D, queue_run),
+  BIT_TABLE(D, receive),
+  BIT_TABLE(D, resolver),
+  BIT_TABLE(D, retry),
+  BIT_TABLE(D, rewrite),
+  BIT_TABLE(D, route),
+  BIT_TABLE(D, timestamp),
+  BIT_TABLE(D, tls),
+  BIT_TABLE(D, transport),
+  BIT_TABLE(D, uid),
+  BIT_TABLE(D, verify),

 };
 };

-int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
+int     debug_options_count    = nelem(debug_options);
+

 unsigned int debug_selector    = 0;
 unsigned int debug_selector    = 0;

+BOOL    debug_store            = FALSE;

 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 uschar *delay_warning_condition=
   US"${if or {"
 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 uschar *delay_warning_condition=
   US"${if or {"


@@ -465,18 +621,19 @@ uschar *delay_warning_condition=
 BOOL    delivery_date_remove   = TRUE;
 uschar *deliver_address_data   = NULL;
 int     deliver_datafile       = -1;
 BOOL    delivery_date_remove   = TRUE;
 uschar *deliver_address_data   = NULL;
 int     deliver_datafile       = -1;

-uschar *deliver_domain         = NULL;
+const uschar *deliver_domain   = NULL;

 uschar *deliver_domain_data    = NULL;
 uschar *deliver_domain_data    = NULL;

-uschar *deliver_domain_orig    = NULL;
-uschar *deliver_domain_parent  = NULL;
+const uschar *deliver_domain_orig = NULL;
+const uschar *deliver_domain_parent = NULL;

 BOOL    deliver_drop_privilege = FALSE;
 BOOL    deliver_firsttime      = FALSE;
 BOOL    deliver_force          = FALSE;
 BOOL    deliver_freeze         = FALSE;
 BOOL    deliver_drop_privilege = FALSE;
 BOOL    deliver_firsttime      = FALSE;
 BOOL    deliver_force          = FALSE;
 BOOL    deliver_freeze         = FALSE;

-int     deliver_frozen_at      = 0;
+time_t  deliver_frozen_at      = 0;

 uschar *deliver_home           = NULL;
 uschar *deliver_home           = NULL;

-uschar *deliver_host           = NULL;
-uschar *deliver_host_address   = NULL;
+const uschar *deliver_host     = NULL;
+const uschar *deliver_host_address = NULL;
+int     deliver_host_port      = 0;

 uschar *deliver_in_buffer      = NULL;
 ino_t   deliver_inode          = 0;
 uschar *deliver_localpart      = NULL;
 uschar *deliver_in_buffer      = NULL;
 ino_t   deliver_inode          = 0;
 uschar *deliver_localpart      = NULL;


@@ -494,11 +651,7 @@ uschar *deliver_selectstring   = NULL;
 BOOL    deliver_selectstring_regex = FALSE;
 uschar *deliver_selectstring_sender = NULL;
 BOOL    deliver_selectstring_sender_regex = FALSE;
 BOOL    deliver_selectstring_regex = FALSE;
 uschar *deliver_selectstring_sender = NULL;
 BOOL    deliver_selectstring_sender_regex = FALSE;

-#ifdef WITH_OLD_DEMIME
-int     demime_errorlevel      = 0;
-int     demime_ok              = 0;
-uschar *demime_reason          = NULL;
-#endif
+BOOL    disable_callout_flush  = FALSE;

 BOOL    disable_delay_flush    = FALSE;
 #ifdef ENABLE_DISABLE_FSYNC
 BOOL    disable_fsync          = FALSE;
 BOOL    disable_delay_flush    = FALSE;
 #ifdef ENABLE_DISABLE_FSYNC
 BOOL    disable_fsync          = FALSE;


@@ -506,19 +659,44 @@ BOOL    disable_fsync          = FALSE;
 BOOL    disable_ipv6           = FALSE;
 BOOL    disable_logging        = FALSE;
 
 BOOL    disable_ipv6           = FALSE;
 BOOL    disable_logging        = FALSE;
 

-#ifdef EXPERIMENTAL_DOMAINKEYS
-uschar *dk_signing_domain      = NULL;
-uschar *dk_signing_selector    = NULL;
-int     dk_do_verify           = 0;
+#ifndef DISABLE_DKIM
+BOOL    dkim_collect_input       = FALSE;
+uschar *dkim_cur_signer          = NULL;
+BOOL    dkim_disable_verify      = FALSE;
+int     dkim_key_length          = 0;
+uschar *dkim_signers             = NULL;
+uschar *dkim_signing_domain      = NULL;
+uschar *dkim_signing_selector    = NULL;
+uschar *dkim_verify_signers      = US"$dkim_signers";
+#endif
+#ifdef EXPERIMENTAL_DMARC
+BOOL    dmarc_has_been_checked  = FALSE;
+uschar *dmarc_ar_header         = NULL;
+uschar *dmarc_domain_policy     = NULL;
+uschar *dmarc_forensic_sender   = NULL;
+uschar *dmarc_history_file      = NULL;
+uschar *dmarc_status            = NULL;
+uschar *dmarc_status_text       = NULL;
+uschar *dmarc_tld_file          = NULL;
+uschar *dmarc_used_domain       = NULL;
+BOOL    dmarc_disable_verify    = FALSE;
+BOOL    dmarc_enable_forensic   = FALSE;

 #endif
 
 uschar *dns_again_means_nonexist = NULL;
 int     dns_csa_search_limit   = 5;
 BOOL    dns_csa_use_reverse    = TRUE;
 #endif
 
 uschar *dns_again_means_nonexist = NULL;
 int     dns_csa_search_limit   = 5;
 BOOL    dns_csa_use_reverse    = TRUE;

+#ifdef EXPERIMENTAL_DANE
+int     dns_dane_ok            = -1;
+#endif

 uschar *dns_ipv4_lookup        = NULL;
 int     dns_retrans            = 0;
 int     dns_retry              = 0;
 uschar *dns_ipv4_lookup        = NULL;
 int     dns_retrans            = 0;
 int     dns_retry              = 0;

+int     dns_dnssec_ok          = -1; /* <0 = not coerced */
+uschar *dns_trust_aa           = NULL;
+int     dns_use_edns0          = -1; /* <0 = not coerced */

 uschar *dnslist_domain         = NULL;
 uschar *dnslist_domain         = NULL;

+uschar *dnslist_matched        = NULL;

 uschar *dnslist_text           = NULL;
 uschar *dnslist_value          = NULL;
 tree_node *domainlist_anchor   = NULL;
 uschar *dnslist_text           = NULL;
 uschar *dnslist_value          = NULL;
 tree_node *domainlist_anchor   = NULL;


@@ -526,6 +704,7 @@ int     domainlist_count       = 0;
 BOOL    dont_deliver           = FALSE;
 BOOL    dot_ends               = TRUE;
 BOOL    drop_cr                = FALSE;         /* No longer used */
 BOOL    dont_deliver           = FALSE;
 BOOL    dot_ends               = TRUE;
 BOOL    drop_cr                = FALSE;         /* No longer used */

+uschar *dsn_from               = US DEFAULT_DSN_FROM;

 
 BOOL    enable_dollar_recipients = FALSE;
 BOOL    envelope_to_remove     = TRUE;
 
 BOOL    enable_dollar_recipients = FALSE;
 BOOL    envelope_to_remove     = TRUE;


@@ -534,6 +713,13 @@ uschar *errors_copy            = NULL;
 int     error_handling         = ERRORS_SENDER;
 uschar *errors_reply_to        = NULL;
 int     errors_sender_rc       = EXIT_FAILURE;
 int     error_handling         = ERRORS_SENDER;
 uschar *errors_reply_to        = NULL;
 int     errors_sender_rc       = EXIT_FAILURE;

+#ifndef DISABLE_EVENT
+uschar *event_action             = NULL;       /* expansion for delivery events */
+uschar *event_data               = NULL;       /* auxiliary data variable for event */
+int     event_defer_errno        = 0;
+const uschar *event_name         = NULL;       /* event name variable */
+#endif
+

 
 gid_t   exim_gid               = EXIM_GID;
 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 
 gid_t   exim_gid               = EXIM_GID;
 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */


@@ -541,6 +727,7 @@ uschar *exim_path              = US BIN_DIRECTORY "/exim"
                         "\0<---------------Space to patch exim_path->";
 uid_t   exim_uid               = EXIM_UID;
 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
                         "\0<---------------Space to patch exim_path->";
 uid_t   exim_uid               = EXIM_UID;
 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */

+int     expand_level          = 0;             /* Nesting depth, indent for debug */

 int     expand_forbid          = 0;
 int     expand_nlength[EXPAND_MAXN+1];
 int     expand_nmax            = -1;
 int     expand_forbid          = 0;
 int     expand_nlength[EXPAND_MAXN+1];
 int     expand_nmax            = -1;


@@ -551,7 +738,10 @@ BOOL    extract_addresses_remove_arguments = TRUE;
 uschar *extra_local_interfaces = NULL;
 
 int     fake_response          = OK;
 uschar *extra_local_interfaces = NULL;
 
 int     fake_response          = OK;

-uschar *fake_response_text     = US"Your message has been rejected but is being kept for evaluation.\nIf it was a legitimate message, it may still be delivered to the target recipient(s).";
+uschar *fake_response_text     = US"Your message has been rejected but is "
+                                   "being kept for evaluation.\nIf it was a "
+                                   "legitimate message, it may still be "
+                                   "delivered to the target recipient(s).";

 int     filter_n[FILTER_VARIABLE_COUNT];
 BOOL    filter_running         = FALSE;
 int     filter_sn[FILTER_VARIABLE_COUNT];
 int     filter_n[FILTER_VARIABLE_COUNT];
 BOOL    filter_running         = FALSE;
 int     filter_sn[FILTER_VARIABLE_COUNT];


@@ -560,9 +750,6 @@ uschar *filter_test_sfile      = NULL;
 uschar *filter_test_ufile      = NULL;
 uschar *filter_thisaddress     = NULL;
 int     finduser_retries       = 0;
 uschar *filter_test_ufile      = NULL;
 uschar *filter_thisaddress     = NULL;
 int     finduser_retries       = 0;

-#ifdef WITH_OLD_DEMIME
-uschar *found_extension        = NULL;
-#endif

 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 uschar *freeze_tell            = NULL;
 uschar *freeze_tell_config     = NULL;
 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 uschar *freeze_tell            = NULL;
 uschar *freeze_tell_config     = NULL;


@@ -580,19 +767,20 @@ int     header_maxsize         = HEADER_MAXSIZE;
 int     header_line_maxsize    = 0;
 
 header_name header_names[] = {
 int     header_line_maxsize    = 0;
 
 header_name header_names[] = {

-  { US"bcc",            3, TRUE,  htype_bcc },
-  { US"cc",             2, TRUE,  htype_cc },
-  { US"date",           4, TRUE,  htype_date },
-  { US"delivery-date", 13, FALSE, htype_delivery_date },
-  { US"envelope-to",   11, FALSE, htype_envelope_to },
-  { US"from",           4, TRUE,  htype_from },
-  { US"message-id",    10, TRUE,  htype_id },
-  { US"received",       8, FALSE, htype_received },
-  { US"reply-to",       8, FALSE, htype_reply_to },
-  { US"return-path",   11, FALSE, htype_return_path },
-  { US"sender",         6, TRUE,  htype_sender },
-  { US"subject",        7, FALSE, htype_subject },
-  { US"to",             2, TRUE,  htype_to }
+  /* name              len     allow_resent    htype */
+  { US"bcc",            3,     TRUE,           htype_bcc },
+  { US"cc",             2,     TRUE,           htype_cc },
+  { US"date",           4,     TRUE,           htype_date },
+  { US"delivery-date", 13,     FALSE,          htype_delivery_date },
+  { US"envelope-to",   11,     FALSE,          htype_envelope_to },
+  { US"from",           4,     TRUE,           htype_from },
+  { US"message-id",    10,     TRUE,           htype_id },
+  { US"received",       8,     FALSE,          htype_received },
+  { US"reply-to",       8,     FALSE,          htype_reply_to },
+  { US"return-path",   11,     FALSE,          htype_return_path },
+  { US"sender",         6,     TRUE,           htype_sender },
+  { US"subject",        7,     FALSE,          htype_subject },
+  { US"to",             2,     TRUE,           htype_to }

 };
 
 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 };
 
 int header_names_size          = sizeof(header_names)/sizeof(header_name);


@@ -605,7 +793,7 @@ uschar *helo_try_verify_hosts  = NULL;
 BOOL    helo_verified          = FALSE;
 BOOL    helo_verify_failed     = FALSE;
 uschar *helo_verify_hosts      = NULL;
 BOOL    helo_verified          = FALSE;
 BOOL    helo_verify_failed     = FALSE;
 uschar *helo_verify_hosts      = NULL;

-uschar *hex_digits             = US"0123456789abcdef";
+const uschar *hex_digits       = CUS"0123456789abcdef";

 uschar *hold_domains           = NULL;
 BOOL    host_checking          = FALSE;
 BOOL    host_checking_callout  = FALSE;
 uschar *hold_domains           = NULL;
 BOOL    host_checking          = FALSE;
 BOOL    host_checking_callout  = FALSE;


@@ -627,12 +815,18 @@ uschar *hosts_connection_nolog = NULL;
 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 BOOL    ignore_fromline_local  = FALSE;
 uschar *ignore_fromline_hosts  = NULL;
 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 BOOL    ignore_fromline_local  = FALSE;
 uschar *ignore_fromline_hosts  = NULL;

+BOOL    inetd_wait_mode        = FALSE;
+int     inetd_wait_timeout     = -1;
+uschar *initial_cwd            = NULL;

 uschar *interface_address      = NULL;
 int     interface_port         = -1;
 BOOL    is_inetd               = FALSE;
 uschar *interface_address      = NULL;
 int     interface_port         = -1;
 BOOL    is_inetd               = FALSE;

+uschar *iterate_item           = NULL;

 
 int     journal_fd             = -1;
 
 
 int     journal_fd             = -1;
 

+uschar *keep_environment       = NULL;
+

 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 
 uschar *eldap_dn               = NULL;
 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 
 uschar *eldap_dn               = NULL;


@@ -657,85 +851,110 @@ uid_t   local_user_uid         = (uid_t)(-1);
 tree_node *localpartlist_anchor= NULL;
 int     localpartlist_count    = 0;
 uschar *log_buffer             = NULL;
 tree_node *localpartlist_anchor= NULL;
 int     localpartlist_count    = 0;
 uschar *log_buffer             = NULL;

-unsigned int log_extra_selector = LX_default;
+
+int     log_default[]          = { /* for initializing log_selector */
+  Li_acl_warn_skipped,
+  Li_connection_reject,
+  Li_delay_delivery,
+  Li_dnslist_defer,
+  Li_etrn,
+  Li_host_lookup_failed,
+  Li_lost_incoming_connection,
+  Li_outgoing_interface, /* see d_log_interface in deliver.c */
+  Li_queue_run,
+  Li_rejected_header,
+  Li_retry_defer,
+  Li_sender_verify_fail,
+  Li_size_reject,
+  Li_skip_delivery,
+  Li_smtp_confirmation,
+  Li_tls_certificate_verified,
+  Li_tls_cipher,
+  -1
+};
+

 uschar *log_file_path          = US LOG_FILE_PATH
                            "\0<--------------Space to patch log_file_path->";
 
 uschar *log_file_path          = US LOG_FILE_PATH
                            "\0<--------------Space to patch log_file_path->";
 

-/* Those log options with L_xxx identifiers have values less than 0x800000 and
-are the ones that get put into log_write_selector. They can be used in calls to
-log_write() to test for the bit. The options with LX_xxx identifiers have
-values greater than 0x80000000 and are put int log_extra_selector (without the
-top bit). They are never used in calls to log_write(), but are tested
-independently. This separation became necessary when the number of log
-selectors was getting close to filling a 32-bit word. */
-
-/* Note that this list must be in alphabetical order. */
-
-bit_table log_options[]        = {
-  { US"acl_warn_skipped",             LX_acl_warn_skipped },
-  { US"address_rewrite",              L_address_rewrite },
-  { US"all",                          L_all },
-  { US"all_parents",                  L_all_parents },
-  { US"arguments",                    LX_arguments },
-  { US"connection_reject",            L_connection_reject },
-  { US"delay_delivery",               L_delay_delivery },
-  { US"deliver_time",                 LX_deliver_time },
-  { US"delivery_size",                LX_delivery_size },
-  { US"dnslist_defer",                L_dnslist_defer },
-  { US"etrn",                         L_etrn },
-  { US"host_lookup_failed",           L_host_lookup_failed },
-  { US"ident_timeout",                LX_ident_timeout },
-  { US"incoming_interface",           LX_incoming_interface },
-  { US"incoming_port",                LX_incoming_port },
-  { US"lost_incoming_connection",     L_lost_incoming_connection },
-  { US"outgoing_port",                LX_outgoing_port },
-  { US"pid",                          LX_pid },
-  { US"queue_run",                    L_queue_run },
-  { US"queue_time",                   LX_queue_time },
-  { US"queue_time_overall",           LX_queue_time_overall },
-  { US"received_recipients",          LX_received_recipients },
-  { US"received_sender",              LX_received_sender },
-  { US"rejected_header",              LX_rejected_header },
-  { US"rejected_headers",             LX_rejected_header },
-  { US"retry_defer",                  L_retry_defer },
-  { US"return_path_on_delivery",      LX_return_path_on_delivery },
-  { US"sender_on_delivery",           LX_sender_on_delivery },
-  { US"sender_verify_fail",           LX_sender_verify_fail },
-  { US"size_reject",                  L_size_reject },
-  { US"skip_delivery",                L_skip_delivery },
-  { US"smtp_confirmation",            LX_smtp_confirmation },
-  { US"smtp_connection",              L_smtp_connection },
-  { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
-  { US"smtp_no_mail",                 LX_smtp_no_mail },
-  { US"smtp_protocol_error",          L_smtp_protocol_error },
-  { US"smtp_syntax_error",            L_smtp_syntax_error },
-  { US"subject",                      LX_subject },
-  { US"tls_certificate_verified",     LX_tls_certificate_verified },
-  { US"tls_cipher",                   LX_tls_cipher },
-  { US"tls_peerdn",                   LX_tls_peerdn },
-  { US"unknown_in_list",              LX_unknown_in_list }
+int     log_notall[]           = {
+  -1

 };
 };

+bit_table log_options[]        = { /* must be in alphabetical order */
+  BIT_TABLE(L, 8bitmime),
+  BIT_TABLE(L, acl_warn_skipped),
+  BIT_TABLE(L, address_rewrite),
+  BIT_TABLE(L, all),
+  BIT_TABLE(L, all_parents),
+  BIT_TABLE(L, arguments),
+  BIT_TABLE(L, connection_reject),
+  BIT_TABLE(L, delay_delivery),
+  BIT_TABLE(L, deliver_time),
+  BIT_TABLE(L, delivery_size),
+  BIT_TABLE(L, dnslist_defer),
+  BIT_TABLE(L, dnssec),
+  BIT_TABLE(L, etrn),
+  BIT_TABLE(L, host_lookup_failed),
+  BIT_TABLE(L, ident_timeout),
+  BIT_TABLE(L, incoming_interface),
+  BIT_TABLE(L, incoming_port),
+  BIT_TABLE(L, lost_incoming_connection),
+  BIT_TABLE(L, millisec),
+  BIT_TABLE(L, outgoing_interface),
+  BIT_TABLE(L, outgoing_port),
+  BIT_TABLE(L, pid),
+#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_overall),
+  BIT_TABLE(L, received_recipients),
+  BIT_TABLE(L, received_sender),
+  BIT_TABLE(L, rejected_header),
+  { US"rejected_headers", Li_rejected_header },
+  BIT_TABLE(L, retry_defer),
+  BIT_TABLE(L, return_path_on_delivery),
+  BIT_TABLE(L, sender_on_delivery),
+  BIT_TABLE(L, sender_verify_fail),
+  BIT_TABLE(L, size_reject),
+  BIT_TABLE(L, skip_delivery),
+  BIT_TABLE(L, smtp_confirmation),
+  BIT_TABLE(L, smtp_connection),
+  BIT_TABLE(L, smtp_incomplete_transaction),
+  BIT_TABLE(L, smtp_mailauth),
+  BIT_TABLE(L, smtp_no_mail),
+  BIT_TABLE(L, smtp_protocol_error),
+  BIT_TABLE(L, smtp_syntax_error),
+  BIT_TABLE(L, subject),
+  BIT_TABLE(L, tls_certificate_verified),
+  BIT_TABLE(L, tls_cipher),
+  BIT_TABLE(L, tls_peerdn),
+  BIT_TABLE(L, tls_sni),
+  BIT_TABLE(L, unknown_in_list),
+};
+int     log_options_count      = nelem(log_options);

 
 

-int     log_options_count      = sizeof(log_options)/sizeof(bit_table);

 int     log_reject_target      = 0;
 int     log_reject_target      = 0;

+unsigned int log_selector[log_selector_size]; /* initialized in main() */

 uschar *log_selector_string    = NULL;
 FILE   *log_stderr             = NULL;
 BOOL    log_testing_mode       = FALSE;
 BOOL    log_timezone           = FALSE;
 uschar *log_selector_string    = NULL;
 FILE   *log_stderr             = NULL;
 BOOL    log_testing_mode       = FALSE;
 BOOL    log_timezone           = FALSE;

-unsigned int log_write_selector= L_default;

 uschar *login_sender_address   = NULL;
 uschar *login_sender_address   = NULL;

+uschar *lookup_dnssec_authenticated = NULL;

 int     lookup_open_max        = 25;
 uschar *lookup_value           = NULL;
 
 int     lookup_open_max        = 25;
 uschar *lookup_value           = NULL;
 

-macro_item  *macros            = NULL;

 uschar *mailstore_basename     = NULL;
 #ifdef WITH_CONTENT_SCAN
 uschar *malware_name           = NULL;  /* Virus Name */
 #endif
 uschar *mailstore_basename     = NULL;
 #ifdef WITH_CONTENT_SCAN
 uschar *malware_name           = NULL;  /* Virus Name */
 #endif

+int     max_received_linelength= 0;

 int     max_username_length    = 0;
 int     message_age            = 0;
 uschar *message_body           = NULL;
 uschar *message_body_end       = NULL;
 int     max_username_length    = 0;
 int     message_age            = 0;
 uschar *message_body           = NULL;
 uschar *message_body_end       = NULL;

+BOOL    message_body_newlines  = FALSE;

 int     message_body_size      = 0;
 int     message_body_visible   = 500;
 int     message_ended          = END_NOTSTARTED;
 int     message_body_size      = 0;
 int     message_body_visible   = 500;
 int     message_ended          = END_NOTSTARTED;


@@ -750,13 +969,17 @@ int     message_linecount      = 0;
 BOOL    message_logs           = TRUE;
 int     message_size           = 0;
 uschar *message_size_limit     = US"50M";
 BOOL    message_logs           = TRUE;
 int     message_size           = 0;
 uschar *message_size_limit     = US"50M";

+#ifdef SUPPORT_I18N
+BOOL    message_smtputf8       = FALSE;
+int     message_utf8_downconvert = 0;  /* -1 ifneeded; 0 never; 1 always */
+#endif

 uschar  message_subdir[2]      = { 0, 0 };
 uschar *message_reference      = NULL;
 
 /* MIME ACL expandables */
 #ifdef WITH_CONTENT_SCAN
 int     mime_anomaly_level     = 0;
 uschar  message_subdir[2]      = { 0, 0 };
 uschar *message_reference      = NULL;
 
 /* MIME ACL expandables */
 #ifdef WITH_CONTENT_SCAN
 int     mime_anomaly_level     = 0;

-uschar *mime_anomaly_text      = NULL;
+const uschar *mime_anomaly_text      = NULL;

 uschar *mime_boundary          = NULL;
 uschar *mime_charset           = NULL;
 uschar *mime_content_description = NULL;
 uschar *mime_boundary          = NULL;
 uschar *mime_charset           = NULL;
 uschar *mime_content_description = NULL;


@@ -781,6 +1004,9 @@ BOOL    no_mbox_unspool        = FALSE;
 #endif
 BOOL    no_multiline_responses = FALSE;
 
 #endif
 BOOL    no_multiline_responses = FALSE;
 

+const int on                   = 1;    /* for setsockopt */
+const int off                  = 0;
+

 uid_t   original_euid;
 gid_t   originator_gid;
 uschar *originator_login       = NULL;
 uid_t   original_euid;
 gid_t   originator_gid;
 uschar *originator_login       = NULL;


@@ -800,29 +1026,43 @@ BOOL    preserve_message_logs  = FALSE;
 uschar *primary_hostname       = NULL;
 BOOL    print_topbitchars      = FALSE;
 uschar  process_info[PROCESS_INFO_SIZE];
 uschar *primary_hostname       = NULL;
 BOOL    print_topbitchars      = FALSE;
 uschar  process_info[PROCESS_INFO_SIZE];

+int     process_info_len       = 0;

 uschar *process_log_path       = NULL;
 BOOL    prod_requires_admin    = TRUE;
 uschar *process_log_path       = NULL;
 BOOL    prod_requires_admin    = TRUE;

+
+#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
+uschar *hosts_proxy            = US"";
+uschar *proxy_external_address = US"";
+int     proxy_external_port    = 0;
+uschar *proxy_local_address    = US"";
+int     proxy_local_port       = 0;
+BOOL    proxy_session          = FALSE;
+BOOL    proxy_session_failed   = FALSE;
+#endif
+

 uschar *prvscheck_address      = NULL;
 uschar *prvscheck_keynum       = NULL;
 uschar *prvscheck_result       = NULL;
 
 
 uschar *prvscheck_address      = NULL;
 uschar *prvscheck_keynum       = NULL;
 uschar *prvscheck_result       = NULL;
 
 

-uschar *qualify_domain_recipient = NULL;
+const uschar *qualify_domain_recipient = NULL;

 uschar *qualify_domain_sender  = NULL;
 BOOL    queue_2stage           = FALSE;
 uschar *queue_domains          = NULL;
 int     queue_interval         = -1;
 BOOL    queue_list_requires_admin = TRUE;
 uschar *qualify_domain_sender  = NULL;
 BOOL    queue_2stage           = FALSE;
 uschar *queue_domains          = NULL;
 int     queue_interval         = -1;
 BOOL    queue_list_requires_admin = TRUE;

+uschar *queue_name             = US"";

 BOOL    queue_only             = FALSE;
 uschar *queue_only_file        = NULL;
 int     queue_only_load        = -1;
 BOOL    queue_only             = FALSE;
 uschar *queue_only_file        = NULL;
 int     queue_only_load        = -1;

+BOOL    queue_only_load_latch  = TRUE;

 BOOL    queue_only_override    = TRUE;
 BOOL    queue_only_policy      = FALSE;
 BOOL    queue_run_first_delivery = FALSE;
 BOOL    queue_run_force        = FALSE;
 BOOL    queue_run_in_order     = FALSE;
 BOOL    queue_run_local        = FALSE;
 BOOL    queue_only_override    = TRUE;
 BOOL    queue_only_policy      = FALSE;
 BOOL    queue_run_first_delivery = FALSE;
 BOOL    queue_run_force        = FALSE;
 BOOL    queue_run_in_order     = FALSE;
 BOOL    queue_run_local        = FALSE;

-int     queue_run_max          = 5;
+uschar *queue_run_max          = US"5";

 pid_t   queue_run_pid          = (pid_t)0;
 int     queue_run_pipe         = -1;
 BOOL    queue_running          = FALSE;
 pid_t   queue_run_pid          = (pid_t)0;
 int     queue_run_pipe         = -1;
 BOOL    queue_running          = FALSE;


@@ -872,7 +1112,7 @@ uschar *received_header_text   = US
 
 int     received_headers_max   = 30;
 uschar *received_protocol      = NULL;
 
 int     received_headers_max   = 30;
 uschar *received_protocol      = NULL;

-int     received_time          = 0;
+struct timeval received_time   = { 0, 0 };

 uschar *recipient_data         = NULL;
 uschar *recipient_unqualified_hosts = NULL;
 uschar *recipient_verify_failure = NULL;
 uschar *recipient_data         = NULL;
 uschar *recipient_unqualified_hosts = NULL;
 uschar *recipient_verify_failure = NULL;


@@ -888,8 +1128,12 @@ const pcre *regex_From         = NULL;
 const pcre *regex_IGNOREQUOTA  = NULL;
 const pcre *regex_PIPELINING   = NULL;
 const pcre *regex_SIZE         = NULL;
 const pcre *regex_IGNOREQUOTA  = NULL;
 const pcre *regex_PIPELINING   = NULL;
 const pcre *regex_SIZE         = NULL;

-const pcre *regex_smtp_code    = NULL;

 const pcre *regex_ismsgid      = NULL;
 const pcre *regex_ismsgid      = NULL;

+const pcre *regex_smtp_code    = NULL;
+uschar *regex_vars[REGEX_VARS];
+#ifdef WHITELIST_D_MACROS
+const pcre *regex_whitelisted_macro = NULL;
+#endif

 #ifdef WITH_CONTENT_SCAN
 uschar *regex_match_string     = NULL;
 #endif
 #ifdef WITH_CONTENT_SCAN
 uschar *regex_match_string     = NULL;
 #endif


@@ -903,89 +1147,95 @@ retry_config  *retries         = NULL;
 uschar *return_path            = NULL;
 BOOL    return_path_remove     = TRUE;
 int     rewrite_existflags     = 0;
 uschar *return_path            = NULL;
 BOOL    return_path_remove     = TRUE;
 int     rewrite_existflags     = 0;

-uschar *rfc1413_hosts          = US"*";
-int     rfc1413_query_timeout  = 5;
+uschar *rfc1413_hosts          = US"@[]";
+int     rfc1413_query_timeout  = 0;

 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */

+uid_t   root_gid               = ROOT_GID;

 uid_t   root_uid               = ROOT_UID;
 
 router_instance  *routers  = NULL;
 router_instance  router_defaults = {
 uid_t   root_uid               = ROOT_UID;
 
 router_instance  *routers  = NULL;
 router_instance  router_defaults = {

-    NULL,                      /* chain pointer */
-    NULL,                      /* name */
-    NULL,                      /* info */
-    NULL,                      /* private options block pointer */
-    NULL,                      /* driver name */
+    .next =                    NULL,
+    .name =                    NULL,
+    .info =                    NULL,
+    .options_block =           NULL,
+    .driver_name =             NULL,

 
 

-    NULL,                      /* address_data */
+    .address_data =            NULL,

 #ifdef EXPERIMENTAL_BRIGHTMAIL
 #ifdef EXPERIMENTAL_BRIGHTMAIL

-    NULL,                      /* bmi_rule */
+    .bmi_rule =                        NULL,

 #endif
 #endif

-    NULL,                      /* cannot_route_message */
-    NULL,                      /* condition */
-    NULL,                      /* current_directory */
-    NULL,                      /* debug_string */
-    NULL,                      /* domains */
-    NULL,                      /* errors_to */
-    NULL,                      /* expand_gid */
-    NULL,                      /* expand_uid */
-    NULL,                      /* expand_more */
-    NULL,                      /* expand_unseen */
-    NULL,                      /* extra_headers */
-    NULL,                      /* fallback_hosts */
-    NULL,                      /* home_directory */
-    NULL,                      /* ignore_target_hosts */
-    NULL,                      /* local_parts */
-    NULL,                      /* pass_router_name */
-    NULL,                      /* prefix */
-    NULL,                      /* redirect_router_name */
-    NULL,                      /* remove_headers */
-    NULL,                      /* require_files */
-    NULL,                      /* router_home_directory */
-    US"freeze",                /* self */
-    NULL,                      /* senders */
-    NULL,                      /* suffix */
-    NULL,                      /* translate_ip_address */
-    NULL,                      /* transport_name */
-
-    TRUE,                      /* address_test */
+    .cannot_route_message =    NULL,
+    .condition =               NULL,
+    .current_directory =       NULL,
+    .debug_string =            NULL,
+    .domains =                 NULL,
+    .errors_to =               NULL,
+    .expand_gid =              NULL,
+    .expand_uid =              NULL,
+    .expand_more =             NULL,
+    .expand_unseen =           NULL,
+    .extra_headers =           NULL,
+    .fallback_hosts =          NULL,
+    .home_directory =          NULL,
+    .ignore_target_hosts =     NULL,
+    .local_parts =             NULL,
+    .pass_router_name =                NULL,
+    .prefix =                  NULL,
+    .redirect_router_name =    NULL,
+    .remove_headers =          NULL,
+    .require_files =           NULL,
+    .router_home_directory =   NULL,
+    .self =                    US"freeze",
+    .senders =                 NULL,
+    .suffix =                  NULL,
+    .translate_ip_address =    NULL,
+    .transport_name =          NULL,
+
+    .address_test =            TRUE,

 #ifdef EXPERIMENTAL_BRIGHTMAIL
 #ifdef EXPERIMENTAL_BRIGHTMAIL

-    FALSE,                     /* bmi_deliver_alternate */
-    FALSE,                     /* bmi_deliver_default */
-    FALSE,                     /* bmi_dont_deliver */
+    .bmi_deliver_alternate =   FALSE,
+    .bmi_deliver_default =     FALSE,
+    .bmi_dont_deliver =                FALSE,

 #endif
 #endif

-    TRUE,                      /* expn */
-    FALSE,                     /* caseful_local_part */
-    FALSE,                     /* check_local_user */
-    FALSE,                     /* disable_logging */
-    FALSE,                     /* fail_verify_recipient */
-    FALSE,                     /* fail_verify_sender */
-    FALSE,                     /* gid_set */
-    FALSE,                     /* initgroups */
-    TRUE_UNSET,                /* log_as_local */
-    TRUE,                      /* more */
-    FALSE,                     /* pass_on_timeout */
-    FALSE,                     /* prefix_optional */
-    TRUE,                      /* repeat_use */
-    TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
-    FALSE,                     /* same_domain_copy_routing */
-    FALSE,                     /* self_rewrite */
-    FALSE,                     /* suffix_optional */
-    FALSE,                     /* verify_only */
-    TRUE,                      /* verify_recipient */
-    TRUE,                      /* verify_sender */
-    FALSE,                     /* uid_set */
-    FALSE,                     /* unseen */
-
-    self_freeze,               /* self_code */
-    (uid_t)(-1),               /* uid */
-    (gid_t)(-1),               /* gid */
-
-    NULL,                      /* fallback_hostlist */
-    NULL,                      /* transport instance */
-    NULL,                      /* pass_router */
-    NULL                       /* redirect_router */
+    .expn =                    TRUE,
+    .caseful_local_part =      FALSE,
+    .check_local_user =                FALSE,
+    .disable_logging =         FALSE,
+    .fail_verify_recipient =   FALSE,
+    .fail_verify_sender =      FALSE,
+    .gid_set =                 FALSE,
+    .initgroups =              FALSE,
+    .log_as_local =            TRUE_UNSET,
+    .more =                    TRUE,
+    .pass_on_timeout =         FALSE,
+    .prefix_optional =         FALSE,
+    .repeat_use =              TRUE,
+    .retry_use_local_part =    TRUE_UNSET,
+    .same_domain_copy_routing =        FALSE,
+    .self_rewrite =            FALSE,
+    .suffix_optional =         FALSE,
+    .verify_only =             FALSE,
+    .verify_recipient =                TRUE,
+    .verify_sender =           TRUE,
+    .uid_set =                 FALSE,
+    .unseen =                  FALSE,
+    .dsn_lasthop =             FALSE,
+
+    .self_code =               self_freeze,
+    .uid =                     (uid_t)(-1),
+    .gid =                     (gid_t)(-1),
+
+    .fallback_hostlist =       NULL,
+    .transport =               NULL,
+    .pass_router =             NULL,
+    .redirect_router =         NULL,
+
+    .dnssec =                  { NULL, NULL },            /* dnssec_domains {require,request} */

 };
 
 };
 

+uschar *router_name            = NULL;
+

 ip_address_item *running_interfaces = NULL;
 BOOL    running_in_test_harness = FALSE;
 
 ip_address_item *running_interfaces = NULL;
 BOOL    running_in_test_harness = FALSE;
 


@@ -994,7 +1244,7 @@ script that sets up a copy of Exim for running in the test harness. It seems
 that compilers are now clever, and share constant strings if they can.
 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
 make use of the end of this string in order to save space. So the patching then
 that compilers are now clever, and share constant strings if they can.
 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
 make use of the end of this string in order to save space. So the patching then

-wrecks this. We default this optimization by adding some additional characters
+wrecks this. We defeat this optimization by adding some additional characters

 onto the end of the string. */
 
 uschar *running_status         = US">>>running<<<" "\0EXTRA";
 onto the end of the string. */
 
 uschar *running_status         = US">>>running<<<" "\0EXTRA";


@@ -1012,11 +1262,13 @@ uschar *sender_address_unrewritten = NULL;
 uschar *sender_data            = NULL;
 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
 uschar *sender_fullhost        = NULL;
 uschar *sender_data            = NULL;
 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
 uschar *sender_fullhost        = NULL;

+BOOL    sender_helo_dnssec     = FALSE;

 uschar *sender_helo_name       = NULL;
 uschar **sender_host_aliases   = &no_aliases;
 uschar *sender_host_address    = NULL;
 uschar *sender_host_authenticated = NULL;
 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
 uschar *sender_helo_name       = NULL;
 uschar **sender_host_aliases   = &no_aliases;
 uschar *sender_host_address    = NULL;
 uschar *sender_host_authenticated = NULL;
 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];

+BOOL    sender_host_dnssec     = FALSE;

 uschar *sender_host_name       = NULL;
 int     sender_host_port       = 0;
 BOOL    sender_host_notsocket  = FALSE;
 uschar *sender_host_name       = NULL;
 int     sender_host_port       = 0;
 BOOL    sender_host_notsocket  = FALSE;


@@ -1037,8 +1289,9 @@ int     sender_verified_rc     = -1;
 BOOL    sender_verified_responded = FALSE;
 uschar *sending_ip_address     = NULL;
 int     sending_port           = -1;
 BOOL    sender_verified_responded = FALSE;
 uschar *sending_ip_address     = NULL;
 int     sending_port           = -1;

-volatile  BOOL sigalrm_seen    = FALSE;
+SIGNAL_BOOL sigalrm_seen       = FALSE;

 uschar **sighup_argv           = NULL;
 uschar **sighup_argv           = NULL;

+int     slow_lookup_log        = 0;    /* millisecs, zero disables */

 int     smtp_accept_count      = 0;
 BOOL    smtp_accept_keepalive  = TRUE;
 int     smtp_accept_max        = 20;
 int     smtp_accept_count      = 0;
 BOOL    smtp_accept_keepalive  = TRUE;
 int     smtp_accept_max        = 20;


@@ -1059,7 +1312,7 @@ BOOL    smtp_check_spool_space = TRUE;
 int     smtp_ch_index          = 0;
 uschar *smtp_cmd_argument      = NULL;
 uschar *smtp_cmd_buffer        = NULL;
 int     smtp_ch_index          = 0;
 uschar *smtp_cmd_argument      = NULL;
 uschar *smtp_cmd_buffer        = NULL;

-time_t  smtp_connection_start  = 0;
+struct timeval smtp_connection_start  = {0,0};

 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
 int     smtp_connect_backlog   = 20;
 double  smtp_delay_mail        = 0.0;
 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
 int     smtp_connect_backlog   = 20;
 double  smtp_delay_mail        = 0.0;


@@ -1074,11 +1327,13 @@ uschar *smtp_etrn_command      = NULL;
 BOOL    smtp_etrn_serialize    = TRUE;
 int     smtp_max_synprot_errors= 3;
 int     smtp_max_unknown_commands = 3;
 BOOL    smtp_etrn_serialize    = TRUE;
 int     smtp_max_synprot_errors= 3;
 int     smtp_max_unknown_commands = 3;

+uschar *smtp_notquit_reason    = NULL;

 uschar *smtp_ratelimit_hosts   = NULL;
 uschar *smtp_ratelimit_mail    = NULL;
 uschar *smtp_ratelimit_rcpt    = NULL;
 uschar *smtp_read_error        = US"";
 int     smtp_receive_timeout   = 5*60;
 uschar *smtp_ratelimit_hosts   = NULL;
 uschar *smtp_ratelimit_mail    = NULL;
 uschar *smtp_ratelimit_rcpt    = NULL;
 uschar *smtp_read_error        = US"";
 int     smtp_receive_timeout   = 5*60;

+uschar *smtp_receive_timeout_s = NULL;

 uschar *smtp_reserve_hosts     = NULL;
 BOOL    smtp_return_error_details = FALSE;
 int     smtp_rlm_base          = 0;
 uschar *smtp_reserve_hosts     = NULL;
 BOOL    smtp_return_error_details = FALSE;
 int     smtp_rlm_base          = 0;


@@ -1089,17 +1344,22 @@ int     smtp_rlr_base          = 0;
 double  smtp_rlr_factor        = 0.0;
 int     smtp_rlr_limit         = 0;
 int     smtp_rlr_threshold     = INT_MAX;
 double  smtp_rlr_factor        = 0.0;
 int     smtp_rlr_limit         = 0;
 int     smtp_rlr_threshold     = INT_MAX;

-BOOL    smtp_use_pipelining    = FALSE;
-BOOL    smtp_use_size          = FALSE;
+unsigned smtp_peer_options     = 0;
+unsigned smtp_peer_options_wrap= 0;
+#ifdef SUPPORT_I18N
+uschar *smtputf8_advertise_hosts = US"*";      /* overridden under test-harness */
+#endif

 
 #ifdef WITH_CONTENT_SCAN
 uschar *spamd_address          = US"127.0.0.1 783";
 uschar *spam_bar               = NULL;
 uschar *spam_report            = NULL;
 
 #ifdef WITH_CONTENT_SCAN
 uschar *spamd_address          = US"127.0.0.1 783";
 uschar *spam_bar               = NULL;
 uschar *spam_report            = NULL;

+uschar *spam_action            = NULL;

 uschar *spam_score             = NULL;
 uschar *spam_score_int         = NULL;
 #endif
 #ifdef EXPERIMENTAL_SPF
 uschar *spam_score             = NULL;
 uschar *spam_score_int         = NULL;
 #endif
 #ifdef EXPERIMENTAL_SPF

+uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";

 uschar *spf_header_comment     = NULL;
 uschar *spf_received           = NULL;
 uschar *spf_result             = NULL;
 uschar *spf_header_comment     = NULL;
 uschar *spf_received           = NULL;
 uschar *spf_result             = NULL;


@@ -1109,6 +1369,8 @@ uschar *spf_smtp_comment       = NULL;
 BOOL    split_spool_directory  = FALSE;
 uschar *spool_directory        = US SPOOL_DIRECTORY
                            "\0<--------------Space to patch spool_directory->";
 BOOL    split_spool_directory  = FALSE;
 uschar *spool_directory        = US SPOOL_DIRECTORY
                            "\0<--------------Space to patch spool_directory->";

+BOOL    spool_file_wireformat  = FALSE;
+BOOL    spool_wireformat       = FALSE;

 #ifdef EXPERIMENTAL_SRS
 uschar *srs_config             = NULL;
 uschar *srs_db_address         = NULL;
 #ifdef EXPERIMENTAL_SRS
 uschar *srs_config             = NULL;
 uschar *srs_db_address         = NULL;


@@ -1126,15 +1388,19 @@ BOOL    srs_usetimestamp       = TRUE;
 #endif
 BOOL    strict_acl_vars        = FALSE;
 int     string_datestamp_offset= -1;
 #endif
 BOOL    strict_acl_vars        = FALSE;
 int     string_datestamp_offset= -1;

+int     string_datestamp_length= 0;
+int     string_datestamp_type  = -1;

 BOOL    strip_excess_angle_brackets = FALSE;
 BOOL    strip_trailing_dot     = FALSE;
 uschar *submission_domain      = NULL;
 BOOL    submission_mode        = FALSE;
 uschar *submission_name        = NULL;
 BOOL    suppress_local_fixups  = FALSE;
 BOOL    strip_excess_angle_brackets = FALSE;
 BOOL    strip_trailing_dot     = FALSE;
 uschar *submission_domain      = NULL;
 BOOL    submission_mode        = FALSE;
 uschar *submission_name        = NULL;
 BOOL    suppress_local_fixups  = FALSE;

+BOOL    suppress_local_fixups_default = FALSE;

 BOOL    synchronous_delivery   = FALSE;
 BOOL    syslog_duplication     = TRUE;
 int     syslog_facility        = LOG_MAIL;
 BOOL    synchronous_delivery   = FALSE;
 BOOL    syslog_duplication     = TRUE;
 int     syslog_facility        = LOG_MAIL;

+BOOL    syslog_pid             = TRUE;

 uschar *syslog_processname     = US"exim";
 BOOL    syslog_timestamp       = TRUE;
 uschar *system_filter          = NULL;
 uschar *syslog_processname     = US"exim";
 BOOL    syslog_timestamp       = TRUE;
 uschar *system_filter          = NULL;


@@ -1146,11 +1412,21 @@ uschar *system_filter_reply_transport = NULL;
 
 gid_t   system_filter_gid      = 0;
 BOOL    system_filter_gid_set  = FALSE;
 
 gid_t   system_filter_gid      = 0;
 BOOL    system_filter_gid_set  = FALSE;

-uid_t   system_filter_uid      = 0;
+uid_t   system_filter_uid      = (uid_t)-1;

 BOOL    system_filter_uid_set  = FALSE;
 BOOL    system_filtering       = FALSE;
 
 BOOL    system_filter_uid_set  = FALSE;
 BOOL    system_filtering       = FALSE;
 

+BOOL    tcp_fastopen_ok        = FALSE;
+blob   tcp_fastopen_nodata    = { .data = NULL, .len = 0 };
+BOOL    tcp_in_fastopen        = FALSE;
+BOOL    tcp_in_fastopen_logged = FALSE;

 BOOL    tcp_nodelay            = TRUE;
 BOOL    tcp_nodelay            = TRUE;

+int     tcp_out_fastopen       = 0;
+BOOL    tcp_out_fastopen_logged= FALSE;
+#ifdef USE_TCP_WRAPPERS
+uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
+#endif
+int     test_harness_load_avg  = 0;

 int     thismessage_size_limit = 0;
 int     timeout_frozen_after   = 0;
 BOOL    timestamps_utc         = FALSE;
 int     thismessage_size_limit = 0;
 int     timeout_frozen_after   = 0;
 BOOL    timestamps_utc         = FALSE;


@@ -1158,59 +1434,66 @@ BOOL    timestamps_utc         = FALSE;
 transport_instance  *transports = NULL;
 
 transport_instance  transport_defaults = {
 transport_instance  *transports = NULL;
 
 transport_instance  transport_defaults = {

-    NULL,                     /* chain pointer */
-    NULL,                     /* name */
-    NULL,                     /* info */
-    NULL,                     /* private options block pointer */
-    NULL,                     /* driver name */
-    NULL,                     /* setup entry point */
-    1,                        /* batch_max */
-    NULL,                     /* batch_id */
-    NULL,                     /* home_dir */
-    NULL,                     /* current_dir */
-    TRUE,                     /* multi-domain */
-    FALSE,                    /* overrides_hosts */
-    100,                      /* max_addresses */
-    500,                      /* connection_max_messages */
-    FALSE,                    /* deliver_as_creator */
-    FALSE,                    /* disable_logging */
-    FALSE,                    /* initgroups */
-    FALSE,                    /* uid_set */
-    FALSE,                    /* gid_set */
-    (uid_t)(-1),              /* uid */
-    (gid_t)(-1),              /* gid */
-    NULL,                     /* 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,                     /* message_size_limit */
-    NULL,                     /* headers_rewrite */
-    NULL,                     /* rewrite_rules */
-    0,                        /* rewrite_existflags */
-    300,                      /* filter_timeout */
-    FALSE,                    /* 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 */
-    TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
-                                 1 nor 0 so can detect unset */
+    .next =                    NULL,
+    .name =                    NULL,
+    .info =                    NULL,
+    .options_block =           NULL,
+    .driver_name =             NULL,
+    .setup =                   NULL,
+    .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;
 };
 
 int     transport_count;

-uschar **transport_filter_argv  = NULL;
+uschar *transport_name          = NULL;
+int     transport_newlines;
+const uschar **transport_filter_argv  = NULL;

 int     transport_filter_timeout;
 BOOL    transport_filter_timed_out = FALSE;
 int     transport_write_timeout= 0;
 int     transport_filter_timeout;
 BOOL    transport_filter_timed_out = FALSE;
 int     transport_write_timeout= 0;


@@ -1221,6 +1504,7 @@ tree_node  *tree_nonrecipients = NULL;
 tree_node  *tree_unusable      = NULL;
 
 BOOL    trusted_caller         = FALSE;
 tree_node  *tree_unusable      = NULL;
 
 BOOL    trusted_caller         = FALSE;

+BOOL    trusted_config         = TRUE;

 gid_t  *trusted_groups         = NULL;
 uid_t  *trusted_users          = NULL;
 uschar *timezone_string        = US TIMEZONE_DEFAULT;
 gid_t  *trusted_groups         = NULL;
 uid_t  *trusted_users          = NULL;
 uschar *timezone_string        = US TIMEZONE_DEFAULT;


@@ -1254,16 +1538,19 @@ uschar *uucp_from_pattern      = US
 
 uschar *uucp_from_sender       = US"$1";
 
 
 uschar *uucp_from_sender       = US"$1";
 

-uschar *warn_message_file      = NULL;
-uschar *warnmsg_delay          = NULL;
-uschar *warnmsg_recipients     = NULL;
-BOOL    write_rejectlog        = TRUE;
-
-uschar *version_copyright      = US"Copyright (c) University of Cambridge 2006";
+uschar *verify_mode           = NULL;
+uschar *version_copyright      =
+ US"Copyright (c) University of Cambridge, 1995 - 2017\n"
+   "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";

 uschar *version_date           = US"?";
 uschar *version_cnumber        = US"????";
 uschar *version_string         = US"?";
 
 uschar *version_date           = US"?";
 uschar *version_cnumber        = US"????";
 uschar *version_string         = US"?";
 

+uschar *warn_message_file      = NULL;

 int     warning_count          = 0;
 int     warning_count          = 0;

+uschar *warnmsg_delay          = NULL;
+uschar *warnmsg_recipients     = NULL;
+BOOL    write_rejectlog        = TRUE;
+

 
 /*  End of globals.c */
 
 /*  End of globals.c */