Merge branch 'fix-2016-dkim'

[users/heiko/exim.git] / src / src / functions.h

diff --git a/src/src/functions.h b/src/src/functions.h
index 02579040eccc1731c260877aec042a87e07c39f4..9c7dbe6716762d9cd40d46ead70fe33b82fa076b 100644 (file)
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 

-/* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) University of Cambridge 1995 - 2016 */

 /* See the file NOTICE for conditions of use and distribution. */
 
 
 /* See the file NOTICE for conditions of use and distribution. */
 
 


@@ -39,6 +39,7 @@ extern uschar * tls_cert_subject(void *, uschar * mod);
 extern uschar * tls_cert_subject_altname(void *, uschar * mod);
 extern uschar * tls_cert_version(void *, uschar * mod);
 
 extern uschar * tls_cert_subject_altname(void *, uschar * mod);
 extern uschar * tls_cert_version(void *, uschar * mod);
 

+extern uschar * tls_cert_der_b64(void * cert);

 extern uschar * tls_cert_fprt_md5(void *);
 extern uschar * tls_cert_fprt_sha1(void *);
 extern uschar * tls_cert_fprt_sha256(void *);
 extern uschar * tls_cert_fprt_md5(void *);
 extern uschar * tls_cert_fprt_sha1(void *);
 extern uschar * tls_cert_fprt_sha256(void *);


@@ -54,7 +55,8 @@ extern int     tls_export_cert(uschar *, size_t, void *);
 extern int     tls_feof(void);
 extern int     tls_ferror(void);
 extern void    tls_free_cert(void **);
 extern int     tls_feof(void);
 extern int     tls_ferror(void);
 extern void    tls_free_cert(void **);

-extern int     tls_getc(void);
+extern int     tls_getc(unsigned);
+extern void    tls_get_cache(void);

 extern int     tls_import_cert(const uschar *, void **);
 extern int     tls_read(BOOL, uschar *, size_t);
 extern int     tls_server_start(const uschar *);
 extern int     tls_import_cert(const uschar *, void **);
 extern int     tls_read(BOOL, uschar *, size_t);
 extern int     tls_server_start(const uschar *);


@@ -70,7 +72,7 @@ extern uschar * tls_field_from_dn(uschar *, const uschar *);
 extern BOOL    tls_is_name_for_cert(const uschar *, void *);
 
 # ifdef EXPERIMENTAL_DANE
 extern BOOL    tls_is_name_for_cert(const uschar *, void *);
 
 # ifdef EXPERIMENTAL_DANE

-extern int     tlsa_lookup(const host_item *, dns_answer *, BOOL, BOOL *);
+extern int     tlsa_lookup(const host_item *, dns_answer *, BOOL);

 # endif
 
 #endif /*SUPPORT_TLS*/
 # endif
 
 #endif /*SUPPORT_TLS*/


@@ -84,8 +86,6 @@ extern int     acl_eval(int, uschar *, uschar **, uschar **);
 
 extern tree_node *acl_var_create(uschar *);
 extern void    acl_var_write(uschar *, uschar *, void *);
 
 extern tree_node *acl_var_create(uschar *);
 extern void    acl_var_write(uschar *, uschar *, void *);

-extern uschar *auth_b64encode(uschar *, int);
-extern int     auth_b64decode(uschar *, uschar **);

 extern int     auth_call_pam(const uschar *, uschar **);
 extern int     auth_call_pwcheck(uschar *, uschar **);
 extern int     auth_call_radius(const uschar *, uschar **);
 extern int     auth_call_pam(const uschar *, uschar **);
 extern int     auth_call_pwcheck(uschar *, uschar **);
 extern int     auth_call_radius(const uschar *, uschar **);


@@ -99,11 +99,18 @@ extern int     auth_get_no64_data(uschar **, uschar *);
 extern uschar *auth_xtextencode(uschar *, int);
 extern int     auth_xtextdecode(uschar *, uschar **);
 
 extern uschar *auth_xtextencode(uschar *, int);
 extern int     auth_xtextdecode(uschar *, uschar **);
 

+extern uschar *b64encode(uschar *, int);
+extern int     b64decode(uschar *, uschar **);
+extern int     bdat_getc(unsigned);
+extern void    bits_clear(unsigned int *, size_t, int *);
+extern void    bits_set(unsigned int *, size_t, int *);
+

 extern void    cancel_cutthrough_connection(const char *);
 extern int     check_host(void *, const uschar *, const uschar **, uschar **);
 extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
 extern pid_t   child_open_uid(const uschar **, const uschar **, int,
                 uid_t *, gid_t *, int *, int *, uschar *, BOOL);
 extern void    cancel_cutthrough_connection(const char *);
 extern int     check_host(void *, const uschar *, const uschar **, uschar **);
 extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
 extern pid_t   child_open_uid(const uschar **, const uschar **, int,
                 uid_t *, gid_t *, int *, int *, uschar *, BOOL);

+extern BOOL    cleanup_environment(void);

 extern uschar *cutthrough_finaldot(void);
 extern BOOL    cutthrough_flush_send(void);
 extern BOOL    cutthrough_headers_send(void);
 extern uschar *cutthrough_finaldot(void);
 extern BOOL    cutthrough_flush_send(void);
 extern BOOL    cutthrough_headers_send(void);


@@ -118,13 +125,14 @@ extern int     dcc_process(uschar **);
 #endif
 
 extern void    debug_logging_activate(uschar *, uschar *);
 #endif
 
 extern void    debug_logging_activate(uschar *, uschar *);

+extern void    debug_logging_stop(void);

 extern void    debug_print_argv(const uschar **);
 extern void    debug_print_ids(uschar *);
 extern void    debug_print_string(uschar *);
 extern void    debug_print_tree(tree_node *);
 extern void    debug_vprintf(const char *, va_list);
 extern void    debug_print_argv(const uschar **);
 extern void    debug_print_ids(uschar *);
 extern void    debug_print_string(uschar *);
 extern void    debug_print_tree(tree_node *);
 extern void    debug_vprintf(const char *, va_list);

-extern void    decode_bits(unsigned int *, unsigned int *,
-                  int, int, uschar *, bit_table *, int, uschar *, int);
+extern void    decode_bits(unsigned int *, size_t, int *,
+                  uschar *, bit_table *, int, uschar *, int);

 extern address_item *deliver_make_addr(uschar *, BOOL);
 extern void    deliver_init(void);
 extern void    delivery_log(int, address_item *, int, uschar *);
 extern address_item *deliver_make_addr(uschar *, BOOL);
 extern void    deliver_init(void);
 extern void    delivery_log(int, address_item *, int, uschar *);


@@ -136,14 +144,10 @@ extern void    deliver_succeeded(address_item *);
 
 extern uschar *deliver_get_sender_address (uschar *id);
 
 
 extern uschar *deliver_get_sender_address (uschar *id);
 

-#ifdef WITH_OLD_DEMIME
-extern int     demime(uschar **);
-#endif

 extern BOOL    directory_make(const uschar *, const uschar *, int, BOOL);
 #ifndef DISABLE_DKIM
 extern BOOL    directory_make(const uschar *, const uschar *, int, BOOL);
 #ifndef DISABLE_DKIM

-extern BOOL    dkim_transport_write_message(address_item *, int, int,
-                   int, uschar *, uschar *, uschar *, uschar *, rewrite_rule *,
-                   int, uschar *, uschar *, uschar *, uschar *, uschar *, uschar *);
+extern BOOL    dkim_transport_write_message(int, transport_ctx *,
+                 struct ob_dkim *);

 #endif
 extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
 extern int     dns_basic_lookup(dns_answer *, const uschar *, int);
 #endif
 extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
 extern int     dns_basic_lookup(dns_answer *, const uschar *, int);


@@ -154,16 +158,18 @@ extern BOOL    dns_is_secure(const dns_answer *);
 extern int     dns_lookup(dns_answer *, const uschar *, int, const uschar **);
 extern void    dns_pattern_init(void);
 extern int     dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
 extern int     dns_lookup(dns_answer *, const uschar *, int, const uschar **);
 extern void    dns_pattern_init(void);
 extern int     dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);

-extern dns_record *dns_next_rr(dns_answer *, dns_scan *, int);
+extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);

 extern uschar *dns_text_type(int);
 extern void    dscp_list_to_stream(FILE *);
 extern BOOL    dscp_lookup(const uschar *, int, int *, int *, int *);
 
 extern void    enq_end(uschar *);
 extern uschar *dns_text_type(int);
 extern void    dscp_list_to_stream(FILE *);
 extern BOOL    dscp_lookup(const uschar *, int, int *, int *, int *);
 
 extern void    enq_end(uschar *);

-extern BOOL    enq_start(uschar *);
-#ifdef EXPERIMENTAL_EVENT
+extern BOOL    enq_start(uschar *, unsigned);
+#ifndef DISABLE_EVENT

 extern uschar *event_raise(uschar *, const uschar *, uschar *);
 extern uschar *event_raise(uschar *, const uschar *, uschar *);

+extern void    msg_event_raise(const uschar *, const address_item *);

 #endif
 #endif

+extern const uschar * exim_errstr(int);

 extern void    exim_exit(int);
 extern void    exim_nullstd(void);
 extern void    exim_setugid(uid_t, gid_t, BOOL, uschar *);
 extern void    exim_exit(int);
 extern void    exim_nullstd(void);
 extern void    exim_setugid(uid_t, gid_t, BOOL, uschar *);


@@ -175,6 +181,7 @@ extern int     exp_bool(address_item *addr,
 extern BOOL    expand_check_condition(uschar *, uschar *, uschar *);
 extern uschar *expand_string(uschar *);        /* public, cannot make const */
 extern const uschar *expand_cstring(const uschar *); /* ... so use this one */
 extern BOOL    expand_check_condition(uschar *, uschar *, uschar *);
 extern uschar *expand_string(uschar *);        /* public, cannot make const */
 extern const uschar *expand_cstring(const uschar *); /* ... so use this one */

+extern uschar *expand_hide_passwords(uschar * );

 extern uschar *expand_string_copy(const uschar *);
 extern int_eximarith_t expand_string_integer(uschar *, BOOL);
 extern void    modify_variable(uschar *, void *);
 extern uschar *expand_string_copy(const uschar *);
 extern int_eximarith_t expand_string_integer(uschar *, BOOL);
 extern void    modify_variable(uschar *, void *);


@@ -198,7 +205,7 @@ extern void    host_build_hostlist(host_item **, const uschar *, BOOL);
 extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
 extern void    host_build_log_info(void);
 extern void    host_build_sender_fullhost(void);
 extern ip_address_item *host_build_ifacelist(const uschar *, uschar *);
 extern void    host_build_log_info(void);
 extern void    host_build_sender_fullhost(void);

-extern BOOL    host_find_byname(host_item *, const uschar *, int,
+extern int     host_find_byname(host_item *, const uschar *, int,

                                const uschar **, BOOL);
 extern int     host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
                  uschar *, const dnssec_domains *, const uschar **, BOOL *);
                                const uschar **, BOOL);
 extern int     host_find_bydns(host_item *, const uschar *, int, uschar *, uschar *,
                  uschar *, const dnssec_domains *, const uschar **, BOOL *);


@@ -212,13 +219,13 @@ extern int     host_nmtoa(int, int *, int, uschar *, int);
 extern uschar *host_ntoa(int, const void *, uschar *, int *);
 extern int     host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
 
 extern uschar *host_ntoa(int, const void *, uschar *, int *);
 extern int     host_scan_for_local_hosts(host_item *, host_item **, BOOL *);
 

-extern uschar *imap_utf7_encode(uschar *, const uschar *, 
+extern uschar *imap_utf7_encode(uschar *, const uschar *,

                                 uschar, uschar *, uschar **);
 
 extern void    invert_address(uschar *, uschar *);
 extern int     ip_addr(void *, int, const uschar *, int);
 extern int     ip_bind(int, int, uschar *, int);
                                 uschar, uschar *, uschar **);
 
 extern void    invert_address(uschar *, uschar *);
 extern int     ip_addr(void *, int, const uschar *, int);
 extern int     ip_bind(int, int, uschar *, int);

-extern int     ip_connect(int, int, const uschar *, int, int);
+extern int     ip_connect(int, int, const uschar *, int, int, BOOL);

 extern int     ip_connectedsocket(int, const uschar *, int, int,
                  int, host_item *, uschar **);
 extern int     ip_get_address_family(int);
 extern int     ip_connectedsocket(int, const uschar *, int, int,
                  int, host_item *, uschar **);
 extern int     ip_get_address_family(int);


@@ -230,11 +237,15 @@ extern int     ip_tcpsocket(const uschar *, uschar **, int);
 extern int     ip_unixsocket(const uschar *, uschar **);
 extern int     ip_streamsocket(const uschar *, uschar **, int);
 
 extern int     ip_unixsocket(const uschar *, uschar **);
 extern int     ip_streamsocket(const uschar *, uschar **, int);
 

+extern int     ipv6_nmtoa(int *, uschar *);
+

 extern uschar *local_part_quote(uschar *);
 extern int     log_create(uschar *);
 extern int     log_create_as_exim(uschar *);
 extern void    log_close_all(void);
 
 extern uschar *local_part_quote(uschar *);
 extern int     log_create(uschar *);
 extern int     log_create_as_exim(uschar *);
 extern void    log_close_all(void);
 

+extern macro_item * macro_create(const uschar *, const uschar *, BOOL, BOOL);
+extern void    mainlog_close(void);

 #ifdef WITH_CONTENT_SCAN
 extern int     malware(const uschar *, int);
 extern int     malware_in_file(uschar *);
 #ifdef WITH_CONTENT_SCAN
 extern int     malware(const uschar *, int);
 extern int     malware_in_file(uschar *);


@@ -258,7 +269,9 @@ struct mime_boundary_context;
 extern int     mime_acl_check(uschar *acl, FILE *f,
                  struct mime_boundary_context *, uschar **, uschar **);
 extern int     mime_decode(const uschar **);
 extern int     mime_acl_check(uschar *acl, FILE *f,
                  struct mime_boundary_context *, uschar **, uschar **);
 extern int     mime_decode(const uschar **);

+extern ssize_t mime_decode_base64(FILE *, FILE *, uschar *);

 extern int     mime_regex(const uschar **);
 extern int     mime_regex(const uschar **);

+extern void    mime_set_anomaly(int);

 #endif
 extern uschar *moan_check_errorcopy(uschar *);
 extern BOOL    moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
 #endif
 extern uschar *moan_check_errorcopy(uschar *);
 extern BOOL    moan_skipped_syntax_errors(uschar *, error_block *, uschar *,


@@ -270,7 +283,7 @@ extern BOOL    moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
 extern void    moan_write_from(FILE *);
 extern FILE   *modefopen(const uschar *, const char *, mode_t);
 
 extern void    moan_write_from(FILE *);
 extern FILE   *modefopen(const uschar *, const char *, mode_t);
 

-extern void   open_cutthrough_connection( address_item * addr );
+extern int     open_cutthrough_connection( address_item * addr );

 
 extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
                  BOOL);
 
 extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
                  BOOL);


@@ -302,13 +315,17 @@ extern BOOL    readconf_depends(driver_instance *, uschar *);
 extern void    readconf_driver_init(uschar *, driver_instance **,
                  driver_info *, int, void *, int, optionlist *, int);
 extern uschar *readconf_find_option(void *);
 extern void    readconf_driver_init(uschar *, driver_instance **,
                  driver_info *, int, void *, int, optionlist *, int);
 extern uschar *readconf_find_option(void *);

-extern void    readconf_main(void);
+extern void    readconf_main(BOOL);
+extern void    readconf_options_from_list(optionlist *, unsigned, const uschar *, uschar *);
+extern void    readconf_options_routers(void);
+extern void    readconf_options_transports(void);

 extern void    readconf_print(uschar *, uschar *, BOOL);
 extern uschar *readconf_printtime(int);
 extern uschar *readconf_readname(uschar *, int, uschar *);
 extern int     readconf_readtime(const uschar *, int, BOOL);
 extern void    readconf_print(uschar *, uschar *, BOOL);
 extern uschar *readconf_printtime(int);
 extern uschar *readconf_readname(uschar *, int, uschar *);
 extern int     readconf_readtime(const uschar *, int, BOOL);

-extern void    readconf_rest();
+extern void    readconf_rest(void);

 extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);
 extern uschar *readconf_retry_error(const uschar *, const uschar *, int *, int *);

+extern void    readconf_save_config(const uschar *);

 extern void    read_message_body(BOOL);
 extern void    receive_bomb_out(uschar *, uschar *);
 extern BOOL    receive_check_fs(int);
 extern void    read_message_body(BOOL);
 extern void    receive_bomb_out(uschar *, uschar *);
 extern BOOL    receive_check_fs(int);


@@ -359,9 +376,9 @@ extern int     search_findtype_partial(const uschar *, int *, const uschar **, i
 extern void   *search_open(uschar *, int, int, uid_t *, gid_t *);
 extern void    search_tidyup(void);
 extern void    set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);
 extern void   *search_open(uschar *, int, int, uid_t *, gid_t *);
 extern void    search_tidyup(void);
 extern void    set_process_info(const char *, ...) PRINTF_FUNCTION(1,2);

-extern void    sha1_end(sha1 *, const uschar *, int, uschar *);
-extern void    sha1_mid(sha1 *, const uschar *);
-extern void    sha1_start(sha1 *);
+extern void    sha1_end(hctx *, const uschar *, int, uschar *);
+extern void    sha1_mid(hctx *, const uschar *);
+extern void    sha1_start(hctx *);

 extern int     sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
                  uschar *, address_item **, uschar **);
 extern void    sigalrm_handler(int);
 extern int     sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
                  uschar *, address_item **, uschar **);
 extern void    sigalrm_handler(int);


@@ -374,13 +391,14 @@ extern int     smtp_sock_connect(host_item *, int, int, uschar *,
 extern int     smtp_feof(void);
 extern int     smtp_ferror(void);
 extern uschar *smtp_get_connection_info(void);
 extern int     smtp_feof(void);
 extern int     smtp_ferror(void);
 extern uschar *smtp_get_connection_info(void);

-extern BOOL    smtp_get_interface(uschar *, int, address_item *, BOOL *,
+extern BOOL    smtp_get_interface(uschar *, int, address_item *,

                  uschar **, uschar *);
 extern BOOL    smtp_get_port(uschar *, address_item *, int *, uschar *);
                  uschar **, uschar *);
 extern BOOL    smtp_get_port(uschar *, address_item *, int *, uschar *);

-extern int     smtp_getc(void);
+extern int     smtp_getc(unsigned);
+extern void    smtp_get_cache(void);

 extern int     smtp_handle_acl_fail(int, int, uschar *, uschar *);
 extern void    smtp_log_no_mail(void);
 extern int     smtp_handle_acl_fail(int, int, uschar *, uschar *);
 extern void    smtp_log_no_mail(void);

-extern void    smtp_message_code(uschar **, int *, uschar **, uschar **);
+extern void    smtp_message_code(uschar **, int *, uschar **, uschar **, BOOL);

 extern BOOL    smtp_read_response(smtp_inblock *, uschar *, int, int, int);
 extern void    smtp_respond(uschar *, int, BOOL, uschar *);
 extern void    smtp_notquit_exit(uschar *, uschar *, uschar *, ...);
 extern BOOL    smtp_read_response(smtp_inblock *, uschar *, int, int, int);
 extern void    smtp_respond(uschar *, int, BOOL, uschar *);
 extern void    smtp_notquit_exit(uschar *, uschar *, uschar *, ...);


@@ -395,11 +413,14 @@ extern int     spam(const uschar **);
 extern FILE   *spool_mbox(unsigned long *, const uschar *);
 #endif
 extern BOOL    spool_move_message(uschar *, uschar *, uschar *, uschar *);
 extern FILE   *spool_mbox(unsigned long *, const uschar *);
 #endif
 extern BOOL    spool_move_message(uschar *, uschar *, uschar *, uschar *);

-extern BOOL    spool_open_datafile(uschar *);
+extern uschar *spool_dname(const uschar *, uschar *);
+extern uschar *spool_fname(const uschar *, const uschar *, const uschar *, const uschar *);
+extern uschar *spool_sname(const uschar *, uschar *);
+extern int     spool_open_datafile(uschar *);

 extern int     spool_open_temp(uschar *);
 extern int     spool_read_header(uschar *, BOOL, BOOL);
 extern int     spool_write_header(uschar *, int, uschar **);
 extern int     spool_open_temp(uschar *);
 extern int     spool_read_header(uschar *, BOOL, BOOL);
 extern int     spool_write_header(uschar *, int, uschar **);

-extern int     stdin_getc(void);
+extern int     stdin_getc(unsigned);

 extern int     stdin_feof(void);
 extern int     stdin_ferror(void);
 extern int     stdin_ungetc(int);
 extern int     stdin_feof(void);
 extern int     stdin_ferror(void);
 extern int     stdin_ungetc(int);


@@ -407,7 +428,9 @@ extern uschar *string_append(uschar *, int *, int *, int, ...);
 extern uschar *string_append_listele(uschar *, uschar, const uschar *);
 extern uschar *string_append_listele_n(uschar *, uschar, const uschar *, unsigned);
 extern uschar *string_base62(unsigned long int);
 extern uschar *string_append_listele(uschar *, uschar, const uschar *);
 extern uschar *string_append_listele_n(uschar *, uschar, const uschar *, unsigned);
 extern uschar *string_base62(unsigned long int);

-extern uschar *string_cat(uschar *, int *, int *, const uschar *, int);
+extern uschar *string_cat(uschar *, int *, int *, const uschar *);
+extern uschar *string_catn(uschar *, int *, int *, const uschar *, int);
+extern int     string_compare_by_pointer(const void *, const void *);

 extern uschar *string_copy_dnsdomain(uschar *);
 extern uschar *string_copy_malloc(const uschar *);
 extern uschar *string_copylc(const uschar *);
 extern uschar *string_copy_dnsdomain(uschar *);
 extern uschar *string_copy_malloc(const uschar *);
 extern uschar *string_copylc(const uschar *);


@@ -417,16 +440,15 @@ extern BOOL    string_format(uschar *, int, const char *, ...) ALMOST_PRINTF(3,4
 extern uschar *string_format_size(int, uschar *);
 extern int     string_interpret_escape(const uschar **);
 extern int     string_is_ip_address(const uschar *, int *);
 extern uschar *string_format_size(int, uschar *);
 extern int     string_interpret_escape(const uschar **);
 extern int     string_is_ip_address(const uschar *, int *);

-#ifdef EXPERIMENTAL_INTERNATIONAL
+#ifdef SUPPORT_I18N

 extern BOOL    string_is_utf8(const uschar *);
 #endif
 extern BOOL    string_is_utf8(const uschar *);
 #endif

-extern uschar *string_log_address(address_item *, BOOL, BOOL);

 extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
 extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
 extern const uschar *string_printing2(const uschar *, BOOL);
 extern uschar *string_split_message(uschar *);
 extern uschar *string_unprinting(uschar *);
 extern uschar *string_nextinlist(const uschar **, int *, uschar *, int);
 extern uschar *string_open_failed(int, const char *, ...) PRINTF_FUNCTION(2,3);
 extern const uschar *string_printing2(const uschar *, BOOL);
 extern uschar *string_split_message(uschar *);
 extern uschar *string_unprinting(uschar *);

-#ifdef EXPERIMENTAL_INTERNATIONAL
+#ifdef SUPPORT_I18N

 extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
 extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
 extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);
 extern uschar *string_address_utf8_to_alabel(const uschar *, uschar **);
 extern uschar *string_domain_alabel_to_utf8(const uschar *, uschar **);
 extern uschar *string_domain_utf8_to_alabel(const uschar *, uschar **);


@@ -452,10 +474,9 @@ extern BOOL    transport_set_up_command(const uschar ***, uschar *,
 extern void    transport_update_waiting(host_item *, uschar *);
 extern BOOL    transport_write_block(int, uschar *, int);
 extern BOOL    transport_write_string(int, const char *, ...);
 extern void    transport_update_waiting(host_item *, uschar *);
 extern BOOL    transport_write_block(int, uschar *, int);
 extern BOOL    transport_write_string(int, const char *, ...);

-extern BOOL    transport_headers_send(address_item *, int, uschar *, uschar *,
-                 BOOL (*)(int, uschar *, int, BOOL), BOOL, rewrite_rule *, int);
-extern BOOL    transport_write_message(address_item *, int, int, int, uschar *,
-                 uschar *, uschar *, uschar *, rewrite_rule *, int);
+extern BOOL    transport_headers_send(int, transport_ctx *,
+                 BOOL (*)(int, transport_ctx *, uschar *, int));
+extern BOOL    transport_write_message(int, transport_ctx *, int);

 extern void    tree_add_duplicate(uschar *, address_item *);
 extern void    tree_add_nonrecipient(uschar *);
 extern void    tree_add_unusable(host_item *);
 extern void    tree_add_duplicate(uschar *, address_item *);
 extern void    tree_add_nonrecipient(uschar *);
 extern void    tree_add_unusable(host_item *);


@@ -467,13 +488,13 @@ extern void    tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *)
 #ifdef WITH_CONTENT_SCAN
 extern void    unspool_mbox(void);
 #endif
 #ifdef WITH_CONTENT_SCAN
 extern void    unspool_mbox(void);
 #endif

-#ifdef EXPERIMENTAL_INTERNATIONAL
+#ifdef SUPPORT_I18N

 extern void    utf8_version_report(FILE *);
 #endif
 
 extern int     verify_address(address_item *, FILE *, int, int, int, int,
                  uschar *, uschar *, BOOL *);
 extern void    utf8_version_report(FILE *);
 #endif
 
 extern int     verify_address(address_item *, FILE *, int, int, int, int,
                  uschar *, uschar *, BOOL *);

-extern int     verify_check_dnsbl(const uschar **);
+extern int     verify_check_dnsbl(int, const uschar **, uschar **);

 extern int     verify_check_header_address(uschar **, uschar **, int, int, int,
                  uschar *, uschar *, int, int *);
 extern int     verify_check_headers(uschar **);
 extern int     verify_check_header_address(uschar **, uschar **, int, int, int,
                  uschar *, uschar *, int, int *);
 extern int     verify_check_headers(uschar **);