VirtualBox

source: vbox/trunk/src/VBox/Devices/Network/slirp/slirp.h@ 22541

Last change on this file since 22541 was 22541, checked in by vboxsync, 15 years ago

NAT: some order in ARP cache managment + gratuitous ARP request handling
  • Property svn:eol-style set to native
File size: 8.9 KB
Line 
1#ifndef __COMMON_H__
2#define __COMMON_H__
3
4#include <VBox/stam.h>
5
6#ifdef RT_OS_WINDOWS
7# include <winsock2.h>
8# include <ws2tcpip.h>
9typedef int socklen_t;
10#endif
11#ifdef RT_OS_OS2 /* temporary workaround, see ticket #127 */
12# define mbstat mbstat_os2
13# include <sys/socket.h>
14# undef mbstat
15typedef int socklen_t;
16#endif
17
18#define CONFIG_QEMU
19
20#ifdef DEBUG
21# undef DEBUG
22# define DEBUG 1
23#endif
24
25#ifndef CONFIG_QEMU
26# include "version.h"
27#endif
28#define LOG_GROUP LOG_GROUP_DRV_NAT
29#include <VBox/log.h>
30#include <iprt/mem.h>
31#ifdef RT_OS_WINDOWS
32# include <windows.h>
33# include <io.h>
34#endif
35#include <iprt/assert.h>
36#include <iprt/string.h>
37#include <iprt/dir.h>
38#include <iprt/rand.h>
39#include <VBox/types.h>
40
41#undef malloc
42#define malloc dont_use_malloc
43#undef free
44#define free dont_use_free
45#undef realloc
46#define realloc dont_use_realloc
47#undef strdup
48#define strdup dont_use_strdup
49
50#include "slirp_config.h"
51
52#ifdef RT_OS_WINDOWS
53
54# ifndef _MSC_VER
55# include <inttypes.h>
56# endif
57
58typedef uint8_t u_int8_t;
59typedef uint16_t u_int16_t;
60typedef uint32_t u_int32_t;
61typedef uint64_t u_int64_t;
62typedef char *caddr_t;
63
64# include <sys/timeb.h>
65# include <iphlpapi.h>
66
67# define EWOULDBLOCK WSAEWOULDBLOCK
68# define EINPROGRESS WSAEINPROGRESS
69# define ENOTCONN WSAENOTCONN
70# define EHOSTUNREACH WSAEHOSTUNREACH
71# define ENETUNREACH WSAENETUNREACH
72# define ECONNREFUSED WSAECONNREFUSED
73
74#else /* !RT_OS_WINDOWS */
75
76# define ioctlsocket ioctl
77# define closesocket(s) close(s)
78# define O_BINARY 0
79
80#endif /* !RT_OS_WINDOWS */
81
82#include <sys/types.h>
83#ifdef HAVE_SYS_BITYPES_H
84# include <sys/bitypes.h>
85#endif
86
87#ifdef _MSC_VER
88# include <time.h>
89#else /* !_MSC_VER */
90# include <sys/time.h>
91#endif /* !_MSC_VER */
92
93#ifdef NEED_TYPEDEFS
94typedef char int8_t;
95typedef unsigned char u_int8_t;
96
97# if SIZEOF_SHORT == 2
98 typedef short int16_t;
99 typedef unsigned short u_int16_t;
100# else
101# if SIZEOF_INT == 2
102 typedef int int16_t;
103 typedef unsigned int u_int16_t;
104# else
105 #error Cannot find a type with sizeof() == 2
106# endif
107# endif
108
109# if SIZEOF_SHORT == 4
110 typedef short int32_t;
111 typedef unsigned short u_int32_t;
112# else
113# if SIZEOF_INT == 4
114 typedef int int32_t;
115 typedef unsigned int u_int32_t;
116# else
117 #error Cannot find a type with sizeof() == 4
118# endif
119# endif
120#endif /* NEED_TYPEDEFS */
121
122#ifdef HAVE_UNISTD_H
123# include <unistd.h>
124#endif
125
126#ifdef HAVE_STDLIB_H
127# include <stdlib.h>
128#endif
129
130#include <stdio.h>
131#include <errno.h>
132
133#ifndef HAVE_MEMMOVE
134# define memmove(x, y, z) bcopy(y, x, z)
135#endif
136
137#if TIME_WITH_SYS_TIME
138# include <sys/time.h>
139# include <time.h>
140#else
141# if HAVE_SYS_TIME_H
142# include <sys/time.h>
143# else
144# include <time.h>
145# endif
146#endif
147
148#ifdef HAVE_STRING_H
149# include <string.h>
150#else
151# include <strings.h>
152#endif
153
154#ifndef RT_OS_WINDOWS
155# include <sys/uio.h>
156#endif
157
158#ifndef RT_OS_WINDOWS
159# include <netinet/in.h>
160# include <arpa/inet.h>
161#endif
162
163#ifdef GETTIMEOFDAY_ONE_ARG
164# define gettimeofday(x, y) gettimeofday(x)
165#endif
166
167#ifndef HAVE_INET_ATON
168int inet_aton (const char *cp, struct in_addr *ia);
169#endif
170
171#include <fcntl.h>
172#ifndef NO_UNIX_SOCKETS
173# include <sys/un.h>
174#endif
175#include <signal.h>
176#ifdef HAVE_SYS_SIGNAL_H
177# include <sys/signal.h>
178#endif
179#ifndef RT_OS_WINDOWS
180# include <sys/socket.h>
181#endif
182
183#if defined(HAVE_SYS_IOCTL_H)
184# include <sys/ioctl.h>
185#endif
186
187#ifdef HAVE_SYS_SELECT_H
188# include <sys/select.h>
189#endif
190
191#ifdef HAVE_SYS_WAIT_H
192# include <sys/wait.h>
193#endif
194
195#ifdef HAVE_SYS_FILIO_H
196# include <sys/filio.h>
197#endif
198
199#if defined(__STDC__) || defined(_MSC_VER)
200# include <stdarg.h>
201#else
202# include <varargs.h>
203#endif
204
205#include <sys/stat.h>
206
207/* Avoid conflicting with the libc insque() and remque(), which
208 * have different prototypes. */
209#define insque slirp_insque
210#define remque slirp_remque
211
212#ifdef HAVE_SYS_STROPTS_H
213# include <sys/stropts.h>
214#endif
215
216#include "libslirp.h"
217
218#include "debug.h"
219
220#include "ip.h"
221#include "tcp.h"
222#include "tcp_timer.h"
223#include "tcp_var.h"
224#include "tcpip.h"
225#include "udp.h"
226#include "icmp_var.h"
227#include "mbuf.h"
228#include "sbuf.h"
229#include "socket.h"
230#include "if.h"
231#include "main.h"
232#include "misc.h"
233#include "ctl.h"
234#include "bootp.h"
235#include "tftp.h"
236
237#include "slirp_state.h"
238
239#undef PVM /* XXX Mac OS X hack */
240
241#ifndef NULL
242# define NULL (void *)0
243#endif
244
245void if_start (PNATState);
246
247#ifndef HAVE_INDEX
248 char *index (const char *, int);
249#endif
250
251#ifndef HAVE_GETHOSTID
252 long gethostid (void);
253#endif
254
255#ifndef RT_OS_WINDOWS
256#include <netdb.h>
257#endif
258
259#include "dnsproxy/dnsproxy.h"
260
261#define DEFAULT_BAUD 115200
262
263int get_dns_addr(PNATState pData, struct in_addr *pdns_addr);
264
265/* cksum.c */
266int cksum(struct mbuf *m, int len);
267
268/* if.c */
269void if_init (PNATState);
270void if_output (PNATState, struct socket *, struct mbuf *);
271
272/* ip_input.c */
273void ip_init (PNATState);
274void ip_input (PNATState, struct mbuf *);
275struct mbuf * ip_reass (PNATState, register struct mbuf *);
276void ip_freef (PNATState, struct ipqhead *, struct ipq_t *);
277void ip_slowtimo (PNATState);
278void ip_stripoptions (register struct mbuf *, struct mbuf *);
279
280/* ip_output.c */
281int ip_output (PNATState, struct socket *, struct mbuf *);
282
283/* tcp_input.c */
284int tcp_reass (PNATState, struct tcpcb *, struct tcphdr *, int *, struct mbuf *);
285void tcp_input (PNATState, register struct mbuf *, int, struct socket *);
286void tcp_dooptions (PNATState, struct tcpcb *, u_char *, int, struct tcpiphdr *);
287void tcp_xmit_timer (PNATState, register struct tcpcb *, int);
288int tcp_mss (PNATState, register struct tcpcb *, u_int);
289
290/* tcp_output.c */
291int tcp_output (PNATState, register struct tcpcb *);
292void tcp_setpersist (register struct tcpcb *);
293
294/* tcp_subr.c */
295void tcp_init (PNATState);
296void tcp_template (struct tcpcb *);
297void tcp_respond (PNATState, struct tcpcb *, register struct tcpiphdr *, register struct mbuf *, tcp_seq, tcp_seq, int);
298struct tcpcb * tcp_newtcpcb (PNATState, struct socket *);
299struct tcpcb * tcp_close (PNATState, register struct tcpcb *);
300void tcp_drain (void);
301void tcp_sockclosed (PNATState, struct tcpcb *);
302int tcp_fconnect (PNATState, struct socket *);
303void tcp_connect (PNATState, struct socket *);
304int tcp_attach (PNATState, struct socket *);
305u_int8_t tcp_tos (struct socket *);
306int tcp_emu (PNATState, struct socket *, struct mbuf *);
307int tcp_ctl (PNATState, struct socket *);
308struct tcpcb *tcp_drop(PNATState, struct tcpcb *tp, int err);
309
310/*slirp.c*/
311void slirp_arp_who_has(PNATState pData, uint32_t dst);
312int slirp_arp_cache_update(PNATState pData, uint32_t dst, const uint8_t *mac);
313void slirp_arp_cache_add(PNATState pData, uint32_t ip, const uint8_t *ether);
314#define MIN_MRU 128
315#define MAX_MRU 16384
316
317#ifndef RT_OS_WINDOWS
318# define min(x, y) ((x) < (y) ? (x) : (y))
319# define max(x, y) ((x) > (y) ? (x) : (y))
320#endif
321
322#ifdef RT_OS_WINDOWS
323# undef errno
324# if 0 /* debugging */
325int errno_func(const char *file, int line);
326# define errno (errno_func(__FILE__, __LINE__))
327# else
328# define errno (WSAGetLastError())
329# endif
330#endif
331
332# define ETH_ALEN 6
333# define ETH_HLEN 14
334
335# define ARPOP_REQUEST 1 /* ARP request */
336# define ARPOP_REPLY 2 /* ARP reply */
337
338struct ethhdr
339{
340 unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
341 unsigned char h_source[ETH_ALEN]; /* source ether addr */
342 unsigned short h_proto; /* packet type ID field */
343};
344AssertCompileSize(struct ethhdr, 14);
345#if defined(VBOX_SLIRP_ALIAS)
346
347# define ip_next(ip) (void *)((uint8_t *)(ip) + ((ip)->ip_hl << 2))
348# define udp_next(udp) (void *)((uint8_t *)&((struct udphdr *)(udp))[1] )
349# define bcopy(src, dst, len) memcpy((dst), (src), (len))
350# define bcmp(a1, a2, len) memcmp((a1), (a2), (len))
351# define NO_FW_PUNCH
352
353# ifdef alias_addr
354# error alias_addr has already defined!!!
355# endif
356
357# define arc4random() RTRandU32()
358# undef malloc
359# undef calloc
360# undef free
361# define malloc(x) RTMemAlloc((x))
362# define calloc(x, n) RTMemAllocZ((x)*(n))
363# define free(x) RTMemFree((x))
364# ifndef __unused
365# define __unused
366# endif
367
368# define strncasecmp RTStrNICmp
369
370# ifdef DEBUG
371# define LIBALIAS_DEBUG
372# ifdef fprintf
373# undef fprintf
374# endif
375# ifdef fflush
376# undef fflush
377# endif
378# ifdef printf
379# undef printf
380# endif
381#define fflush(x) do{}while(0)
382# define fprintf vbox_slirp_fprintf
383# define printf vbox_slirp_printf
384static void vbox_slirp_printV(char *format, va_list args)
385{
386 char buffer[1024];
387 memset(buffer, 0, 1024);
388 RTStrPrintfV(buffer, 1024, format, args);
389
390#if defined(DEBUG_vvl) && 0
391 LogRel(("NAT:ALIAS: %s\n", buffer));
392#else
393 Log2(("NAT:ALIAS: %s\n", buffer));
394#endif
395}
396static void vbox_slirp_printf(char *format, ...)
397{
398 va_list args;
399 va_start(args, format);
400 vbox_slirp_printV(format, args);
401 va_end(args);
402}
403static void vbox_slirp_fprintf(void *ignored, char *format, ...)
404{
405 va_list args;
406 va_start(args, format);
407 vbox_slirp_printV(format, args);
408 va_end(args);
409}
410# endif /* DEBUG */
411#endif /*VBOX_SLIRP_ALIAS*/
412
413int ftp_alias_load(PNATState);
414int ftp_alias_unload(PNATState);
415int nbt_alias_load(PNATState);
416int nbt_alias_unload(PNATState);
417#endif
418
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