211 lines
6.6 KiB
C
211 lines
6.6 KiB
C
/*
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* dnsproxy.h - mDNS Proxy, Common Definitions
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*/
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/*
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* Copyright (c) 2000 Japan Network Information Center. All rights reserved.
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*
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* By using this file, you agree to the terms and conditions set forth bellow.
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*
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* LICENSE TERMS AND CONDITIONS
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*
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* The following License Terms and Conditions apply, unless a different
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* license is obtained from Japan Network Information Center ("JPNIC"),
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* a Japanese association, Fuundo Bldg., 1-2 Kanda Ogawamachi, Chiyoda-ku,
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* Tokyo, Japan.
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*
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* 1. Use, Modification and Redistribution (including distribution of any
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* modified or derived work) in source and/or binary forms is permitted
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* under this License Terms and Conditions.
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*
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* 2. Redistribution of source code must retain the copyright notices as they
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* appear in each source code file, this License Terms and Conditions.
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*
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* 3. Redistribution in binary form must reproduce the Copyright Notice,
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* this License Terms and Conditions, in the documentation and/or other
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* materials provided with the distribution. For the purposes of binary
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* distribution the "Copyright Notice" refers to the following language:
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* "Copyright (c) Japan Network Information Center. All rights reserved."
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*
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* 4. Neither the name of JPNIC may be used to endorse or promote products
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* derived from this Software without specific prior written approval of
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* JPNIC.
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*
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* 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JPNIC BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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*
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* 6. Indemnification by Licensee
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* Any person or entities using and/or redistributing this Software under
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* this License Terms and Conditions shall defend indemnify and hold
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* harmless JPNIC from and against any and all judgements damages,
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* expenses, settlement liabilities, cost and other liabilities of any
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* kind as a result of use and redistribution of this Software or any
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* claim, suite, action, litigation or proceeding by any third party
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* arising out of or relates to this License Terms and Conditions.
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*
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* 7. Governing Law, Jurisdiction and Venue
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* This License Terms and Conditions shall be governed by and and
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* construed in accordance with the law of Japan. Any person or entities
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* using and/or redistributing this Software under this License Terms and
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* Conditions hereby agrees and consent to the personal and exclusive
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* jurisdiction and venue of Tokyo District Court of Japan.
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*/
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/* $Id: mdnsproxy.h,v 1.1 2001/06/09 00:30:35 tale Exp $ */
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#ifndef DNSPROXY_H
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#define DNSPROXY_H 1
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#include <stdio.h>
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#ifdef WIN32
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#include <windows.h>
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#include <winsock.h>
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#else /* for normal systems */
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#endif
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#include "proxycnf.h"
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/*
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* Redefine TRUE and FALSE.
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*/
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#undef TRUE
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#undef FALSE
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#define TRUE 1
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#define FALSE 0
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/*
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* Macro for Error Logging
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*/
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enum {
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LOGMODE_FILE = 0,
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LOGMODE_SYSLOG = 1
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};
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enum {
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LOGLEVEL_NONE = 0,
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LOGLEVEL_FATAL = 1,
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LOGLEVEL_WARN = 2,
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LOGLEVEL_TRACE = 3
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};
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BOOL log_configure(int ac, char *av[]) ;
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void log_terminate(void) ;
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void log_turnover_request(void) ;
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void log_turnover(void) ;
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void log_setlevel(int level) ;
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int log_strtolevel(char *s) ;
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void log_fatal_printf(char *fmt, ...) ;
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void log_warn_printf(char *fmt, ...) ;
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void log_trace_printf(char *fmt, ...) ;
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#define TRACE log_trace_printf
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#define WARN log_warn_printf
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#define FATAL log_fatal_printf
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/*
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* Server's Control Entries
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*/
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BOOL server_init(int ac, char *av[]) ;
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void server_stop(void) ;
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void server_loop(void) ;
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void server_done(void) ;
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/*
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* Server calls following callback when received message
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*/
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void notify_message(struct sockaddr *from, int proto,
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u_char *msg, int len) ;
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void notify_timer(void) ;
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/*
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* To send messages, call following entires in server module
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*/
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void server_forward(struct sockaddr *to, int proto,
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u_char *msg, int len) ;
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void server_response(struct sockaddr *to, int proto,
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u_char *msg, int len) ;
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/*
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* load/dump/dispose configuration data
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*/
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BOOL config_load(int ac, char *av[]) ;
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void config_free(void) ;
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void config_dump(FILE *ofp) ;
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/*
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* query configuration data
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*/
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BOOL config_query_value(char *key, int *count, char ***array, int *lineNo) ;
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BOOL config_query_listen(struct sockaddr *addr) ;
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BOOL config_query_forward(struct sockaddr *addr) ;
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BOOL config_query_restrict(BOOL *src_restrict) ;
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BOOL config_query_log_on_denied(BOOL *flag) ;
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/*
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* Message (domain name) translation
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*/
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typedef struct translation_context {
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struct sockaddr *client; /* address family/IP address/port */
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int protocol; /* IPPROTO_TCP or IPPROTO_UDP */
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unsigned int old_id; /* original message ID */
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unsigned int new_id; /* new message ID */
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} translation_context_t;
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BOOL translate_initialize(void) ;
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void translate_finish(void) ;
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int translate_request(translation_context_t *ctx,
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const char *msg, size_t msglen,
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char *translated, size_t bufsize, size_t *translatedlenp) ;
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int translate_reply(translation_context_t *ctx,
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const char *msg, size_t msglen,
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char *translated, size_t bufsize, size_t *translatedlenp) ;
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/*
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* query configuration having multiple entries (with same key)
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*
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* ctx = config_query_open(key, ...) ;
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* while (ctx != NULL) {
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* ctx = config_query_more(ctx, ...) ;
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* }
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* config_query_close(ctx) ;
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*/
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typedef void *config_ctx_t ; /* opaque pointer to lookup context */
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config_ctx_t config_query_open(char *key, int *count, char ***array,
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int *lineNo) ;
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config_ctx_t config_query_more(config_ctx_t ctx, int *count, char ***array,
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int *lineNo) ;
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void config_query_close(config_ctx_t ctx) ;
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/*
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* managing access control list.
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*/
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int acl_initialize(void);
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BOOL acl_test(struct sockaddr *address);
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void acl_finalize(void);
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#endif /* DNSPROXY_H */
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