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/*
* dnsproxy.h - mDNS Proxy, Common Definitions
*/
/*
* Copyright (c) 2000 Japan Network Information Center. All rights reserved.
*
* By using this file, you agree to the terms and conditions set forth bellow.
*
* LICENSE TERMS AND CONDITIONS
*
* The following License Terms and Conditions apply, unless a different
* license is obtained from Japan Network Information Center ("JPNIC"),
* a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
* Chiyoda-ku, Tokyo 101-0047, Japan.
*
* 1. Use, Modification and Redistribution (including distribution of any
* modified or derived work) in source and/or binary forms is permitted
* under this License Terms and Conditions.
*
* 2. Redistribution of source code must retain the copyright notices as they
* appear in each source code file, this License Terms and Conditions.
*
* 3. Redistribution in binary form must reproduce the Copyright Notice,
* this License Terms and Conditions, in the documentation and/or other
* materials provided with the distribution. For the purposes of binary
* distribution the "Copyright Notice" refers to the following language:
* "Copyright (c) Japan Network Information Center. All rights reserved."
*
* 4. Neither the name of JPNIC may be used to endorse or promote products
* derived from this Software without specific prior written approval of
* JPNIC.
*
* 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JPNIC BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* 6. Indemnification by Licensee
* Any person or entities using and/or redistributing this Software under
* this License Terms and Conditions shall defend indemnify and hold
* harmless JPNIC from and against any and all judgements damages,
* expenses, settlement liabilities, cost and other liabilities of any
* kind as a result of use and redistribution of this Software or any
* claim, suite, action, litigation or proceeding by any third party
* arising out of or relates to this License Terms and Conditions.
*
* 7. Governing Law, Jurisdiction and Venue
* This License Terms and Conditions shall be governed by and and
* construed in accordance with the law of Japan. Any person or entities
* using and/or redistributing this Software under this License Terms and
* Conditions hereby agrees and consent to the personal and exclusive
* jurisdiction and venue of Tokyo District Court of Japan.
*/
/* $Id: mdnsproxy.h,v 1.21 2001/10/31 08:51:29 m-kasahr Exp $ */
#ifndef DNSPROXY_H
#define DNSPROXY_H 1
#include <stdio.h>
#ifdef WIN32
#include <windows.h>
#include <winsock.h>
#else /* for normal systems */
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
#include "proxycnf.h"
/*
* Redefine TRUE and FALSE.
*/
#undef TRUE
#undef FALSE
#define TRUE 1
#define FALSE 0
/*
* Macro for Error Logging
*/
enum {
LOGMODE_FILE = 0,
LOGMODE_SYSLOG = 1,
LOGMODE_STDERR = 2
};
enum {
LOGLEVEL_NONE = 0,
LOGLEVEL_FATAL = 1,
LOGLEVEL_WARN = 2,
LOGLEVEL_TRACE = 3
};
BOOL log_configure(int ac, char *av[]) ;
void log_terminate(void) ;
void log_turnover_request(void) ;
void log_turnover(void) ;
void log_setlevel(int level) ;
int log_strtolevel(char *s) ;
void log_fatal_printf(char *fmt, ...) ;
void log_warn_printf(char *fmt, ...) ;
void log_trace_printf(char *fmt, ...) ;
#define TRACE log_trace_printf
#define WARN log_warn_printf
#define FATAL log_fatal_printf
/*
* Server's Control Entries
*/
BOOL server_init(int ac, char *av[]) ;
void server_stop(void) ;
void server_loop(void) ;
void server_done(void) ;
/*
* Server calls following callback when received message
*/
void notify_message(struct sockaddr *from, int proto,
u_char *msg, int len) ;
void notify_timer(void) ;
/*
* To send messages, call following entires in server module
*/
void server_forward(struct sockaddr *to, int proto,
u_char *msg, int len) ;
void server_response(struct sockaddr *to, int proto,
u_char *msg, int len) ;
/*
* load/dump/dispose configuration data
*/
BOOL config_load(int ac, char *av[]) ;
void config_free(void) ;
void config_dump(FILE *ofp) ;
/*
* query configuration data
*/
BOOL config_query_value(char *key, int *count, char ***array, int *lineNo) ;
BOOL config_query_listen(struct sockaddr *addr) ;
BOOL config_query_forward(struct sockaddr *addr) ;
BOOL config_query_restrict(BOOL *src_restrict) ;
BOOL config_query_log_on_denied(BOOL *flag) ;
/*
* Message (domain name) translation
*/
typedef struct translation_context {
struct sockaddr *client; /* address family/IP address/port */
int protocol; /* IPPROTO_TCP or IPPROTO_UDP */
unsigned int old_id; /* original message ID */
unsigned int new_id; /* new message ID */
} translation_context_t;
BOOL translate_initialize(void) ;
void translate_finish(void) ;
int translate_request(translation_context_t *ctx,
const char *msg, size_t msglen,
char *translated, size_t bufsize, size_t *translatedlenp) ;
int translate_reply(translation_context_t *ctx,
const char *msg, size_t msglen,
char *translated, size_t bufsize, size_t *translatedlenp) ;
/*
* query configuration having multiple entries (with same key)
*
* ctx = config_query_open(key, ...) ;
* while (ctx != NULL) {
* ctx = config_query_more(ctx, ...) ;
* }
* config_query_close(ctx) ;
*/
typedef void *config_ctx_t ; /* opaque pointer to lookup context */
config_ctx_t config_query_open(char *key, int *count, char ***array,
int *lineNo) ;
config_ctx_t config_query_more(config_ctx_t ctx, int *count, char ***array,
int *lineNo) ;
void config_query_close(config_ctx_t ctx) ;
/*
* managing access control list.
*/
int acl_initialize(void);
BOOL acl_test(struct sockaddr *address);
void acl_finalize(void);
#endif /* DNSPROXY_H */
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