/* * 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, Fuundo Bldg., 1-2 Kanda Ogawamachi, Chiyoda-ku, * Tokyo, 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 1.1 2001/06/09 00:30:35 tale Exp $ */ #ifndef DNSPROXY_H #define DNSPROXY_H 1 #include #ifdef WIN32 #include #include #else /* for normal systems */ #include #include #include #include #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 }; 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 */