Lock out "A-for-A" DNS lookups.

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

diff --git a/src/src/functions.h b/src/src/functions.h
index 493575d36b6e599f9a8faf93b1a2f53b7b1ab73e..0e806055557b47fec5b234d08e4a8725ed9f7830 100644 (file)
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -1,10 +1,10 @@
-/* $Cambridge: exim/src/src/functions.h,v 1.4 2004/11/18 11:17:33 ph10 Exp $ */
+/* $Cambridge: exim/src/src/functions.h,v 1.31 2006/11/14 16:40:36 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2004 */
+/* Copyright (c) University of Cambridge 1995 - 2006 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -40,6 +40,8 @@ extern int     tls_write(const uschar *, size_t);
 
 extern acl_block *acl_read(uschar *(*)(void), uschar **);
 extern int     acl_check(int, uschar *, 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 **);
@@ -47,11 +49,13 @@ 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_check_serv_cond(auth_instance *);
 extern int     auth_get_data(uschar **, uschar *, int);
 extern int     auth_get_no64_data(uschar **, uschar *);
 extern uschar *auth_xtextencode(uschar *, int);
 extern int     auth_xtextdecode(uschar *, uschar **);
 
+extern int     check_host(void *, uschar *, uschar **, uschar **);
 extern uschar **child_exec_exim(int, BOOL, int *, BOOL, int, ...);
 extern pid_t   child_open_uid(uschar **, uschar **, int, uid_t *, gid_t *,
                  int *, int *, uschar *, BOOL);
@@ -68,12 +72,21 @@ extern void    deliver_msglog(const char *, ...);
 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 BOOL    directory_make(uschar *, uschar *, int, BOOL);
+#ifdef EXPERIMENTAL_DOMAINKEYS
+extern BOOL    dk_transport_write_message(address_item *, int, int,
+                   int, uschar *, uschar *, uschar *, uschar *, rewrite_rule *,
+                   int, uschar *, uschar *, uschar *, uschar *, uschar *, uschar *);
+#endif
 extern dns_address *dns_address_from_rr(dns_answer *, dns_record *);
 extern void    dns_build_reverse(uschar *, uschar *);
 extern void    dns_init(BOOL, BOOL);
 extern int     dns_basic_lookup(dns_answer *, uschar *, int);
 extern int     dns_lookup(dns_answer *, uschar *, int, uschar **);
+extern int     dns_special_lookup(dns_answer *, uschar *, int, uschar **);
 extern dns_record *dns_next_rr(dns_answer *, dns_scan *, int);
 extern uschar *dns_text_type(int);
 
@@ -87,29 +100,30 @@ extern void    exim_wait_tick(struct timeval *, int);
 extern BOOL    expand_check_condition(uschar *, uschar *, uschar *);
 extern uschar *expand_string(uschar *);
 extern uschar *expand_string_copy(uschar *);
-extern int     expand_string_integer(uschar *);
+extern int     expand_string_integer(uschar *, BOOL);
 
 extern int     filter_interpret(uschar *, int, address_item **, uschar **);
 extern BOOL    filter_personal(string_item *, BOOL);
-extern BOOL    filter_runtest(int, BOOL, BOOL);
+extern BOOL    filter_runtest(int, uschar *, BOOL, BOOL);
 extern BOOL    filter_system_interpret(address_item **, uschar **);
 
 extern void    header_add(int, char *, ...);
 extern int     header_checkname(header_line *, BOOL);
 extern BOOL    header_match(uschar *, BOOL, BOOL, string_item *, int, ...);
+extern int     host_address_extract_port(uschar *);
 extern uschar *host_and_ident(BOOL);
 extern int     host_aton(uschar *, int *);
 extern void    host_build_hostlist(host_item **, uschar *, BOOL);
 extern ip_address_item *host_build_ifacelist(uschar *, uschar *);
 extern void    host_build_log_info(void);
 extern void    host_build_sender_fullhost(void);
-extern int     host_extract_port(uschar *);
-extern BOOL    host_find_byname(host_item *, uschar *, uschar **, BOOL);
+extern BOOL    host_find_byname(host_item *, uschar *, int, uschar **, BOOL);
 extern int     host_find_bydns(host_item *, uschar *, int, uschar *, uschar *,
                  uschar *,uschar **, BOOL *);
 extern ip_address_item *host_find_interfaces(void);
 extern BOOL    host_is_in_net(uschar *, uschar *, int);
 extern BOOL    host_is_tls_on_connect_port(int);
+extern int     host_item_get_port(host_item *);
 extern void    host_mask(int, int *, int);
 extern int     host_name_lookup(void);
 extern int     host_nmtoa(int, int *, int, uschar *, int);
@@ -125,6 +139,9 @@ extern int     ip_socket(int, int);
 extern uschar *local_part_quote(uschar *lpart);
 extern void    log_close_all(void);
 
+#ifdef WITH_CONTENT_SCAN
+extern int     malware(uschar **);
+#endif
 extern int     match_address_list(uschar *, BOOL, BOOL, uschar **,
                  unsigned int *, int, int, uschar **);
 extern int     match_check_list(uschar **, int, tree_node **, unsigned int **,
@@ -138,6 +155,13 @@ extern void    md5_end(md5 *, const uschar *, int, uschar *);
 extern void    md5_mid(md5 *, const uschar *);
 extern void    md5_start(md5 *);
 extern void    millisleep(int);
+#ifdef WITH_CONTENT_SCAN
+struct mime_boundary_context;
+extern int     mime_acl_check(uschar *acl, FILE *f,
+                 struct mime_boundary_context *, uschar **, uschar **);
+extern int     mime_decode(uschar **);
+extern int     mime_regex(uschar **);
+#endif
 extern uschar *moan_check_errorcopy(uschar *);
 extern BOOL    moan_skipped_syntax_errors(uschar *, error_block *, uschar *,
                  BOOL, uschar *);
@@ -145,6 +169,7 @@ extern void    moan_smtp_batch(uschar *, char *, ...);
 extern void    moan_tell_someone(uschar *, address_item *, uschar *, char *,
                  ...);
 extern BOOL    moan_to_sender(int, error_block *, header_line *, FILE *, BOOL);
+extern FILE   *modefopen(uschar *, char *, mode_t);
 
 extern uschar *parse_extract_address(uschar *, uschar **, int *, int *, int *,
                  BOOL);
@@ -153,7 +178,8 @@ extern int     parse_forward_list(uschar *, int, address_item **, uschar **,
 extern uschar *parse_find_address_end(uschar *, BOOL);
 extern uschar *parse_find_at(uschar *);
 extern uschar *parse_fix_phrase(uschar *, int, uschar *, int);
-extern uschar *parse_quote_2047(uschar *, int, uschar *, uschar *, int);
+extern uschar *parse_message_id(uschar *, uschar **, uschar **);
+extern uschar *parse_quote_2047(uschar *, int, uschar *, uschar *, int, BOOL);
 
 extern BOOL    queue_action(uschar *, int, uschar **, int, int);
 extern void    queue_check_only(void);
@@ -162,8 +188,12 @@ extern void    queue_count(void);
 extern void    queue_run(uschar *, uschar *, BOOL);
 
 extern int     random_number(int);
-extern int     rda_interpret(redirect_block *, int, uschar *, uschar *, ugid_block *,
-                 address_item **, uschar **, error_block **, int *, uschar *);
+#ifdef WITH_CONTENT_SCAN
+extern int     recv_line(int, uschar *, int);
+#endif
+extern int     rda_interpret(redirect_block *, int, uschar *, uschar *,
+                 uschar *, uschar *, ugid_block *, address_item **, uschar **,
+                 error_block **, int *, uschar *);
 extern int     rda_is_filter(const uschar *);
 extern BOOL    readconf_depends(driver_instance *, uschar *);
 extern void    readconf_driver_init(uschar *, driver_instance **,
@@ -176,12 +206,16 @@ extern uschar *readconf_readname(uschar *, int, uschar *);
 extern int     readconf_readtime(uschar *, int, BOOL);
 extern void    readconf_rest(BOOL);
 extern uschar *readconf_retry_error(uschar *, uschar *, int *, int *);
+extern void    read_message_body(BOOL);
 extern void    receive_bomb_out(uschar *);
 extern BOOL    receive_check_fs(int);
 extern BOOL    receive_check_set_sender(uschar *);
 extern BOOL    receive_msg(BOOL);
-extern int     receive_statvfs(BOOL, int *); 
+extern int     receive_statvfs(BOOL, int *);
 extern void    receive_swallow_smtp(void);
+#ifdef WITH_CONTENT_SCAN
+extern int     regex(uschar **);
+#endif
 extern BOOL    regex_match_and_setup(const pcre *, uschar *, int, int);
 extern const pcre *regex_must_compile(uschar *, BOOL, BOOL);
 extern void    retry_add_item(address_item *, uschar *, int);
@@ -222,8 +256,8 @@ extern void    set_process_info(char *, ...);
 extern void    sha1_end(sha1 *, const uschar *, int, uschar *);
 extern void    sha1_mid(sha1 *, const uschar *);
 extern void    sha1_start(sha1 *);
-extern int     sieve_interpret(uschar *, int, uschar *, address_item **,
-                 uschar **);
+extern int     sieve_interpret(uschar *, int, uschar *, uschar *, uschar *,
+                 address_item **, uschar **);
 extern void    sigalrm_handler(int);
 extern void    smtp_closedown(uschar *);
 extern int     smtp_connect(host_item *, int, int, uschar *, int, BOOL);
@@ -235,13 +269,19 @@ extern BOOL    smtp_get_interface(uschar *, int, address_item *, BOOL *,
 extern BOOL    smtp_get_port(uschar *, address_item *, int *, uschar *);
 extern int     smtp_getc(void);
 extern int     smtp_handle_acl_fail(int, int, uschar *, uschar *);
+extern void    smtp_message_code(uschar **, int *, uschar **, uschar **);
 extern BOOL    smtp_read_response(smtp_inblock *, uschar *, int, int, int);
-extern void    smtp_respond(int, BOOL, uschar *);
+extern void    smtp_respond(uschar *, int, BOOL, uschar *);
 extern void    smtp_send_prohibition_message(int, uschar *);
 extern int     smtp_setup_msg(void);
 extern BOOL    smtp_start_session(void);
 extern int     smtp_ungetc(int);
+extern BOOL    smtp_verify_helo(void);
 extern int     smtp_write_command(smtp_outblock *, BOOL, char *, ...);
+#ifdef WITH_CONTENT_SCAN
+extern int     spam(uschar **);
+extern FILE   *spool_mbox(unsigned long *);
+#endif
 extern BOOL    spool_move_message(uschar *, uschar *, uschar *, uschar *);
 extern BOOL    spool_open_datafile(uschar *);
 extern int     spool_open_temp(uschar *);
@@ -292,14 +332,20 @@ extern void    tree_add_unusable(host_item *);
 extern int     tree_insertnode(tree_node **, tree_node *);
 extern tree_node *tree_search(tree_node *, uschar *);
 extern void    tree_write(tree_node *, FILE *);
+extern void    tree_walk(tree_node *, void (*)(uschar*, uschar*, void*), void *);
+
+#ifdef WITH_CONTENT_SCAN
+extern void    unspool_mbox(void);
+#endif
 
 extern int     verify_address(address_item *, FILE *, int, int, int, int,
                  uschar *, uschar *, BOOL *);
 extern int     verify_check_dnsbl(uschar **);
 extern int     verify_check_header_address(uschar **, uschar **, int, int, int,
-                 uschar *, uschar *, int);
+                 uschar *, uschar *, int, int *);
 extern int     verify_check_headers(uschar **);
 extern int     verify_check_host(uschar **);
+extern int     verify_check_notblind(void);
 extern int     verify_check_this_host(uschar **, unsigned int *, uschar*,
                  uschar *, uschar **);
 extern address_item *verify_checked_sender(uschar *);