Queuefile: avoid using buffered I/O - no point for a block-copy

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

diff --git a/src/src/functions.h b/src/src/functions.h
index 95720c095ea4dcb3ef8d57054fc87a78e02bc16e..dad00c971f0d4e9fa1834fcce0802c05f2798569 100644 (file)
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2014 */
+/* Copyright (c) University of Cambridge 1995 - 2016 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -39,22 +39,24 @@ 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_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 int     tls_client_start(int, host_item *, address_item *,
                 transport_instance *
-#ifdef EXPERIMENTAL_DANE
+# ifdef EXPERIMENTAL_DANE
                , dns_answer *
-#endif
+# endif
                                );
 extern void    tls_close(BOOL, BOOL);
 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 void    tls_free_cert(void **);
 extern int     tls_getc(void);
+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 *);
@@ -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 int     tlsa_lookup(const host_item *, dns_answer *, BOOL, BOOL *);
+extern int     tlsa_lookup(const host_item *, dns_answer *, BOOL);
 # endif
 
 #endif /*SUPPORT_TLS*/
@@ -84,13 +86,11 @@ extern int     acl_eval(int, uschar *, uschar **, uschar **);
 
 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(uschar *, uschar **);
+extern int     auth_call_pam(const uschar *, uschar **);
 extern int     auth_call_pwcheck(uschar *, uschar **);
-extern int     auth_call_radius(uschar *, uschar **);
-extern int     auth_call_saslauthd(uschar *, uschar *, uschar *, uschar *,
-                 uschar **);
+extern int     auth_call_radius(const uschar *, uschar **);
+extern int     auth_call_saslauthd(const uschar *, const uschar *,
+                const uschar *, const uschar *, uschar **);
 extern int     auth_check_serv_cond(auth_instance *);
 extern int     auth_check_some_cond(auth_instance *, uschar *, uschar *, int);
 
@@ -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 *b64encode(uschar *, int);
+extern int     b64decode(uschar *, uschar **);
+extern int     bdat_getc(void);
+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 BOOL    cleanup_environment(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 *);
+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    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 *);
@@ -133,19 +141,19 @@ extern void    deliver_msglog(const char *, ...) PRINTF_FUNCTION(1,2);
 extern void    deliver_set_expansions(address_item *);
 extern int     deliver_split_address(address_item *);
 extern void    deliver_succeeded(address_item *);
-#ifdef WITH_OLD_DEMIME
-extern int     demime(uschar **);
-#endif
+
+extern uschar *deliver_get_sender_address (uschar *id);
+
 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);
 extern void    dns_build_reverse(const uschar *, uschar *);
 extern void    dns_init(BOOL, BOOL, BOOL);
+extern BOOL    dns_is_aa(const dns_answer *);
 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);
@@ -156,10 +164,13 @@ 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 void    msg_event_raise(const uschar *, const address_item *);
 #endif
+extern uschar  ehlo_response(uschar *, size_t, uschar);
+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 *);
@@ -169,8 +180,9 @@ extern int     exp_bool(address_item *addr,
   uschar *mtype, uschar *mname, unsigned dgb_opt, uschar *oname, BOOL bvalue,
   uschar *svalue, BOOL *rvalue);
 extern BOOL    expand_check_condition(uschar *, uschar *, uschar *);
-extern uschar *expand_string(uschar *);
-extern const uschar *expand_cstring(const 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 *);
@@ -194,9 +206,10 @@ 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 BOOL    host_find_byname(host_item *, const uschar *, int, const uschar **, BOOL);
+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 *, uschar *, uschar *, const uschar **, BOOL *);
+                 uschar *, const dnssec_domains *, const uschar **, BOOL *);
 extern ip_address_item *host_find_interfaces(void);
 extern BOOL    host_is_in_net(const uschar *, const uschar *, int);
 extern BOOL    host_is_tls_on_connect_port(int);
@@ -207,7 +220,11 @@ 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 *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);
 extern int     ip_connect(int, int, const uschar *, int, int);
 extern int     ip_connectedsocket(int, const uschar *, int, int,
@@ -221,11 +238,15 @@ 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     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 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 *);
@@ -249,7 +270,9 @@ 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 ssize_t mime_decode_base64(FILE *, FILE *, 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 *,
@@ -261,7 +284,7 @@ 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   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);
@@ -293,13 +316,17 @@ 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_main(void);
+extern void    readconf_main(BOOL);
+extern void    readconf_options_from_list(optionlist *, unsigned, 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_rest();
+extern void    readconf_rest(void);
 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);
@@ -350,29 +377,29 @@ 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    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 BOOL    smtp_buffered(void);
 extern void    smtp_closedown(uschar *);
-extern int     smtp_connect(host_item *, int, int, uschar *, int, BOOL, const uschar *
-#ifdef EXPERIMENTAL_EVENT
-                      , uschar *
-#endif
-                      );
+extern int     smtp_connect(host_item *, int, int, uschar *, int,
+                transport_instance *);
+extern int     smtp_sock_connect(host_item *, int, int, uschar *,
+                transport_instance * tb, int);
 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 *);
 extern int     smtp_getc(void);
+extern void    smtp_get_cache(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 *, ...);
@@ -387,7 +414,10 @@ extern int     spam(const 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 **);
@@ -399,7 +429,9 @@ 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_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 *);
@@ -409,12 +441,21 @@ 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_log_address(address_item *, BOOL, BOOL);
+#ifdef SUPPORT_I18N
+extern BOOL    string_is_utf8(const uschar *);
+#endif
 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 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_localpart_alabel_to_utf8(const uschar *, uschar **);
+extern uschar *string_localpart_utf8_to_alabel(const uschar *, uschar **);
+#endif
 extern BOOL    string_vformat(uschar *, int, const char *, va_list);
 extern int     strcmpic(const uschar *, const uschar *);
 extern int     strncmpic(const uschar *, const uschar *, int);
@@ -424,7 +465,7 @@ extern uschar *tod_stamp(int);
 
 extern void    tls_modify_variables(tls_support *);
 extern BOOL    transport_check_waiting(const uschar *, const uschar *, int, uschar *,
-                 BOOL *);
+                 BOOL *, oicf, void*);
 extern void    transport_init(void);
 extern BOOL    transport_pass_socket(const uschar *, const uschar *, const uschar *, uschar *,
                  int);
@@ -434,10 +475,9 @@ 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 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 *);
@@ -449,10 +489,13 @@ extern void    tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *)
 #ifdef WITH_CONTENT_SCAN
 extern void    unspool_mbox(void);
 #endif
+#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 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 **);