diff options
Diffstat (limited to 'src/VBox/Devices/Network/slirp/dnsproxy/dnsproxy.h')
| -rw-r--r-- | src/VBox/Devices/Network/slirp/dnsproxy/dnsproxy.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/VBox/Devices/Network/slirp/dnsproxy/dnsproxy.h b/src/VBox/Devices/Network/slirp/dnsproxy/dnsproxy.h new file mode 100644 index 00000000..584f25dd --- /dev/null +++ b/src/VBox/Devices/Network/slirp/dnsproxy/dnsproxy.h @@ -0,0 +1,157 @@ +/* $Id: dnsproxy.h $ */ +/* + * Copyright (c) 2003,2004,2005 Armin Wolfermann + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef _DNSPROXY_H_ +#define _DNSPROXY_H_ + +/* LONGLONG */ +#include <sys/types.h> + +#if TIME_WITH_SYS_TIME +# include <sys/time.h> +# include <time.h> +#else +# if HAVE_SYS_TIME_H +# include <sys/time.h> +# else +# include <time.h> +# endif +#endif + +#ifndef VBOX +#include <sys/socket.h> +#include <netinet/in.h> +#ifdef HAVE_ARPA_INET_H +# include <arpa/inet.h> +#endif +#include <stdarg.h> + +#include <event.h> + +#ifdef DEBUG +#define DPRINTF(x) do { printf x ; } while (0) +#else +#define DPRINTF(x) +#endif + +#ifdef GLOBALS +#define GLOBAL(a) a +#define GLOBAL_INIT(a,b) a = b +#else +#define GLOBAL(a) extern a +#define GLOBAL_INIT(a,b) extern a +#endif +#endif + +struct request { + unsigned short id; + + struct sockaddr_in client; + unsigned short clientid; + unsigned char recursion; + +#ifndef VBOX + struct event timeout; +#endif + + struct request **prev; + struct request *next; +#ifdef VBOX + /* this field used for saving last attempt + * to connect server, timeout function should change + * it's value on next server. And dnsproxy_query should + * initializate with first server in the list + * + * dnsgen is a generation number - a copy of pData->dnsgen at the + * time of request creation (poor man's weak reference). + * dns_server must not be used if pData->dnsgen changed. + */ + struct dns_entry *dns_server; + uint32_t dnsgen; + int nbyte; /* length of dns request */ + char byte[1]; /* copy of original request */ +#endif +}; + +#ifndef VBOX +GLOBAL_INIT(unsigned int authoritative_port, 53); +GLOBAL_INIT(unsigned int authoritative_timeout, 10); +GLOBAL_INIT(unsigned int recursive_port, 53); +GLOBAL_INIT(unsigned int recursive_timeout, 90); +GLOBAL_INIT(unsigned int stats_timeout, 3600); +GLOBAL_INIT(unsigned int port, 53); + +GLOBAL(char *authoritative); +GLOBAL(char *chrootdir); +GLOBAL(char *listenat); +GLOBAL(char *recursive); +GLOBAL(char *user); + +GLOBAL(unsigned long active_queries); +GLOBAL(unsigned long all_queries); +GLOBAL(unsigned long authoritative_queries); +GLOBAL(unsigned long recursive_queries); +GLOBAL(unsigned long removed_queries); +GLOBAL(unsigned long dropped_queries); +GLOBAL(unsigned long answered_queries); +GLOBAL(unsigned long dropped_answers); +GLOBAL(unsigned long late_answers); +GLOBAL(unsigned long hash_collisions); + +/* dnsproxy.c */ +RETSIGTYPE signal_handler(int); +int signal_event(void); + +/* daemon.c */ +int daemon(int, int); +#endif + +/* hash.c */ +void hash_add_request(PNATState, struct request *); +void hash_remove_request(PNATState, struct request *); +struct request *hash_find_request(PNATState, unsigned short); + +/* internal.c */ +int add_internal(PNATState, char *); +int is_internal(PNATState, struct in_addr); + +#ifndef VBOX +/* log.c */ +void log_syslog(const char *); +void info(const char *, ...); +void error(const char *, ...); +void fatal(const char *, ...); + +/* parse.c */ +int parse(const char *); + +/* statistics.c */ +void statistics_start(void); +#else +# define DPRINTF Log2 +int dnsproxy_init(PNATState pData); +void dnsproxy_query(PNATState pData, struct socket *so, struct mbuf *m, int iphlen); +void dnsproxy_answer(PNATState pData, struct socket *so, struct mbuf *m); +#endif + +#endif /* _DNSPROXY_H_ */ |