ip_icmp.c@ 15636

Last change on this file since 15636 was 15636, checked in by vboxsync, 16 years ago
slirp:icmp: Get rid of old ICMP implementation
Property svn:eol-style set to `native`
File size: 20.3 KB

Line
1	/*
2	* Copyright (c) 1982, 1986, 1988, 1993
3	* The Regents of the University of California. All rights reserved.
4	*
5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions
7	* are met:
8	* 1. Redistributions of source code must retain the above copyright
9	* notice, this list of conditions and the following disclaimer.
10	* 2. Redistributions in binary form must reproduce the above copyright
11	* notice, this list of conditions and the following disclaimer in the
12	* documentation and/or other materials provided with the distribution.
13	* 3. All advertising materials mentioning features or use of this software
14	* must display the following acknowledgement:
15	* This product includes software developed by the University of
16	* California, Berkeley and its contributors.
17	* 4. Neither the name of the University nor the names of its contributors
18	* may be used to endorse or promote products derived from this software
19	* without specific prior written permission.
20	*
21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31	* SUCH DAMAGE.
32	*
33	* @(#)ip_icmp.c 8.2 (Berkeley) 1/4/94
34	* ip_icmp.c,v 1.7 1995/05/30 08:09:42 rgrimes Exp
35	*/
36
37	#include "slirp.h"
38	#include "ip_icmp.h"
39	#ifdef RT_OS_WINDOWS
40	#include <Icmpapi.h>
41	#include <Iphlpapi.h>
42	#endif
43
44
45	/* The message sent when emulating PING */
46	/* Be nice and tell them it's just a psuedo-ping packet */
47	static const char icmp_ping_msg[] = "This is a psuedo-PING packet used by Slirp to emulate ICMP ECHO-REQUEST packets.\n";
48
49	/* list of actions for icmp_error() on RX of an icmp message */
50	static const int icmp_flush[19] =
51	{
52	/* ECHO REPLY (0) */ 0,
53	1,
54	1,
55	/* DEST UNREACH (3) */ 1,
56	/* SOURCE QUENCH (4)*/ 1,
57	/* REDIRECT (5) */ 1,
58	1,
59	1,
60	/* ECHO (8) */ 0,
61	/* ROUTERADVERT (9) */ 1,
62	/* ROUTERSOLICIT (10) */ 1,
63	/* TIME EXCEEDED (11) */ 1,
64	/* PARAMETER PROBLEM (12) */ 1,
65	/* TIMESTAMP (13) */ 0,
66	/* TIMESTAMP REPLY (14) */ 0,
67	/* INFO (15) */ 0,
68	/* INFO REPLY (16) */ 0,
69	/* ADDR MASK (17) */ 0,
70	/* ADDR MASK REPLY (18) */ 0
71	};
72
73	int
74	icmp_init(PNATState pData)
75	{
76	pData->icmp_socket.so_type = IPPROTO_ICMP;
77	pData->icmp_socket.so_state = SS_ISFCONNECTED;
78	#ifndef RT_OS_WINDOWS
79	# ifndef RT_OS_DARWIN
80	pData->icmp_socket.s = socket(PF_INET, SOCK_RAW, IPPROTO_ICMP);
81	# else /* !RT_OS_DARWIN */
82	pData->icmp_socket.s = socket(AF_INET, SOCK_DGRAM, IPPROTO_ICMP);
83	# endif /* RT_OS_DARWIN */
84	if (pData->icmp_socket.s == -1)
85	{
86	int rc = RTErrConvertFromErrno(errno);
87	LogRel(("NAT: ICMP/ping not available (could open ICMP socket, error %Rrc)\n", rc));
88	return 1;
89	}
90	#else /* RT_OS_WINDOWS */
91	pData->hmIcmpLibrary = LoadLibrary("Iphlpapi.dll");
92	if (pData->hmIcmpLibrary != NULL)
93	{
94	pData->pfIcmpParseReplies = (long (WINAPI )(void , long))
95	GetProcAddress(pData->hmIcmpLibrary, "IcmpParseReplies");
96	pData->pfIcmpCloseHandle = (BOOL (WINAPI *)(HANDLE))
97	GetProcAddress(pData->hmIcmpLibrary, "IcmpCloseHandle");
98	}
99	if (pData->pfIcmpParseReplies == NULL)
100	{
101	FreeLibrary(pData->hmIcmpLibrary);
102	pData->hmIcmpLibrary = LoadLibrary("Icmp.dll");
103	if (pData->hmIcmpLibrary == NULL)
104	{
105	LogRel(("NAT: Icmp.dll could not be loaded\n"));
106	return 1;
107	}
108	pData->pfIcmpParseReplies = (long (WINAPI )(void , long))
109	GetProcAddress(pData->hmIcmpLibrary, "IcmpParseReplies");
110	pData->pfIcmpCloseHandle = (BOOL (WINAPI *)(HANDLE))
111	GetProcAddress(pData->hmIcmpLibrary, "IcmpCloseHandle");
112	}
113	if (pData->pfIcmpParseReplies == NULL)
114	{
115	LogRel(("NAT: Can't find IcmpParseReplies symbol\n"));
116	FreeLibrary(pData->hmIcmpLibrary);
117	return 1;
118	}
119	if (pData->pfIcmpCloseHandle == NULL)
120	{
121	LogRel(("NAT: Can't find IcmpCloseHandle symbol\n"));
122	FreeLibrary(pData->hmIcmpLibrary);
123	return 1;
124	}
125	pData->icmp_socket.sh = IcmpCreateFile();
126	pData->phEvents[VBOX_ICMP_EVENT_INDEX] = CreateEvent(NULL, FALSE, FALSE, NULL);
127	pData->szIcmpBuffer = sizeof(ICMP_ECHO_REPLY) * 10;
128	pData->pvIcmpBuffer = malloc(pData->szIcmpBuffer);
129	#endif /* RT_OS_WINDOWS */
130	LIST_INIT(&pData->icmp_msg_head);
131	return 0;
132	}
133
134	/*
135	* ip here is ip header + 64bytes readed from ICMP packet
136	*/
137	struct icmp_msg *
138	icmp_find_original_mbuf(PNATState pData, struct ip *ip)
139	{
140	struct mbuf *m0;
141	struct ip *ip0;
142	struct icmp icp, icp0;
143	struct icmp_msg *icm = NULL;
144	int found = 0;
145	struct udphdr *udp;
146	struct tcphdr *tcp;
147	struct socket *head_socket = NULL;
148	struct socket *last_socket = NULL;
149	struct socket *so = NULL;
150	struct in_addr laddr, faddr;
151	u_short lport, fport;
152
153	laddr.s_addr = ~0;
154	faddr.s_addr = ~0;
155
156	lport = ~0;
157	fport = ~0;
158
159
160	Log(("%s: processing (proto:%d)\n", __FUNCTION__, ip->ip_p));
161	switch (ip->ip_p)
162	{
163	case IPPROTO_ICMP:
164	icp = (struct icmp )((char )ip + (ip->ip_hl << 2));
165	LIST_FOREACH(icm, &pData->icmp_msg_head, im_list)
166	{
167	m0 = icm->im_m;
168	ip0 = mtod(m0, struct ip *);
169	AssertRelease(ip0->ip_p == IPPROTO_ICMP);
170	icp0 = (struct icmp )((char )ip0 + (ip0->ip_hl << 2));
171	if ( ( (icp->icmp_type != ICMP_ECHO && ip->ip_src.s_addr == ip0->ip_dst.s_addr)
172	\|\| (icp->icmp_type == ICMP_ECHO && ip->ip_dst.s_addr == ip0->ip_dst.s_addr))
173	&& icp->icmp_id == icp0->icmp_id
174	&& icp->icmp_seq == icp0->icmp_seq)
175	{
176	found = 1;
177	break;
178	}
179	Log(("Have found nothing\n"));
180	}
181	break;
182
183	/*
184	* for TCP and UDP logic little bit reverted, we try to find the HOST socket
185	* from which the IP package has been sent.
186	*/
187	case IPPROTO_UDP:
188	head_socket = &udb;
189	udp = (struct udphdr )((char )ip + (ip->ip_hl << 2));
190	faddr.s_addr = ip->ip_dst.s_addr;
191	fport = udp->uh_dport;
192	laddr.s_addr = ip->ip_src.s_addr;
193	lport = udp->uh_sport;
194	last_socket = udp_last_so;
195	/* fall through */
196
197	case IPPROTO_TCP:
198	if (head_socket == NULL)
199	{
200	tcp = (struct tcphdr )((char )ip + (ip->ip_hl << 2));
201	head_socket = &tcb; /* head_socket could be initialized with udb*/
202	faddr.s_addr = ip->ip_dst.s_addr;
203	fport = tcp->th_dport;
204	laddr.s_addr = ip->ip_src.s_addr;
205	lport = tcp->th_sport;
206	last_socket = tcp_last_so;
207	}
208	/* check last socket first */
209	if ( last_socket->so_faddr.s_addr == faddr.s_addr
210	&& last_socket->so_fport == fport
211	&& last_socket->so_hlport == lport)
212	{
213	found = 1;
214	so = last_socket;
215	goto sofound;
216	}
217	for (so = head_socket->so_prev; so != head_socket; so = so->so_prev)
218	{
219	/* Should be reaplaced by hash here */
220	Log(("trying:%R[natsock] against %R[IP4]:%d lport=%d hlport=%d\n", so, &faddr, fport, lport, so->so_hlport));
221	if ( so->so_faddr.s_addr == faddr.s_addr
222	&& so->so_fport == fport
223	&& so->so_hlport == lport)
224	{
225	found = 1;
226	break;
227	}
228	}
229	break;
230
231	default:
232	LogRel(("%s:ICMP: unsupported protocol(%d)\n", __FUNCTION__, ip->ip_p));
233	}
234	sofound:
235	if (found == 1 && icm == NULL)
236	{
237	icm = malloc(sizeof(struct icmp_msg));
238	icm->im_m = so->so_m;
239	icm->im_so = so;
240	found = 1;
241	Log(("hit:%R[natsock]\n", so));
242	/*XXX: this storage not very long,
243	* better add flag if it should removed from lis
244	*/
245	LIST_INSERT_HEAD(&pData->icmp_msg_head, icm, im_list);
246	return (icm);
247	}
248	if (found == 1)
249	return icm;
250
251	return NULL;
252	}
253
254	static int
255	icmp_attach(PNATState pData, struct mbuf *m)
256	{
257	struct icmp_msg *icm;
258	struct ip *ip;
259	ip = mtod(m, struct ip *);
260	Assert(ip->ip_p == IPPROTO_ICMP);
261	icm = malloc(sizeof(struct icmp_msg));
262	icm->im_m = m;
263	LIST_INSERT_HEAD(&pData->icmp_msg_head, icm, im_list);
264	return 0;
265	}
266
267	/*
268	* Process a received ICMP message.
269	*/
270	void
271	icmp_input(PNATState pData, struct mbuf *m, int hlen)
272	{
273	register struct icmp *icp;
274	register struct ip ip = mtod(m, struct ip );
275	int icmplen = ip->ip_len;
276	int status;
277	uint32_t dst;
278	#if !defined(RT_OS_WINDOWS)
279	int ttl;
280	#endif
281
282	/* int code; */
283
284	DEBUG_CALL("icmp_input");
285	DEBUG_ARG("m = %lx", (long )m);
286	DEBUG_ARG("m_len = %d", m->m_len);
287
288	icmpstat.icps_received++;
289
290	/*
291	* Locate icmp structure in mbuf, and check
292	* that its not corrupted and of at least minimum length.
293	*/
294	if (icmplen < ICMP_MINLEN)
295	{
296	/* min 8 bytes payload */
297	icmpstat.icps_tooshort++;
298	freeit:
299	m_freem(pData, m);
300	goto end_error;
301	}
302
303	m->m_len -= hlen;
304	m->m_data += hlen;
305	icp = mtod(m, struct icmp *);
306	if (cksum(m, icmplen))
307	{
308	icmpstat.icps_checksum++;
309	goto freeit;
310	}
311	m->m_len += hlen;
312	m->m_data -= hlen;
313
314	/* icmpstat.icps_inhist[icp->icmp_type]++; */
315	/* code = icp->icmp_code; */
316
317	DEBUG_ARG("icmp_type = %d", icp->icmp_type);
318	switch (icp->icmp_type)
319	{
320	case ICMP_ECHO:
321	ip->ip_len += hlen; /* since ip_input subtracts this */
322	dst = ip->ip_dst.s_addr;
323	if (dst == alias_addr.s_addr)
324	{
325	icp->icmp_type = ICMP_ECHOREPLY;
326	ip->ip_dst.s_addr = ip->ip_src.s_addr;
327	ip->ip_src.s_addr = dst;
328	icmp_reflect(pData, m);
329	}
330	else
331	{
332	struct sockaddr_in addr;
333	#ifdef RT_OS_WINDOWS
334	IP_OPTION_INFORMATION ipopt;
335	int error;
336	#endif
337	addr.sin_family = AF_INET;
338	if ((ip->ip_dst.s_addr & htonl(pData->netmask)) == special_addr.s_addr)
339	{
340	/* It's an alias */
341	switch (ntohl(ip->ip_dst.s_addr) & ~pData->netmask)
342	{
343	case CTL_DNS:
344	addr.sin_addr = dns_addr;
345	break;
346	case CTL_ALIAS:
347	default:
348	addr.sin_addr = loopback_addr;
349	break;
350	}
351	}
352	else
353	addr.sin_addr.s_addr = ip->ip_dst.s_addr;
354	#ifndef RT_OS_WINDOWS
355	if (pData->icmp_socket.s != -1)
356	{
357	icmp_attach(pData, m);
358	ttl = ip->ip_ttl;
359	Log(("NAT/ICMP: try to set TTL(%d)\n", ttl));
360	status = setsockopt(pData->icmp_socket.s, IPPROTO_IP, IP_TTL,
361	(void *)&ttl, sizeof(ttl));
362	if (status < 0)
363	LogRel(("NAT: Error (%s) occurred while setting TTL attribute of IP packet\n",
364	strerror(errno)));
365	if (sendto(pData->icmp_socket.s, icp, icmplen, 0,
366	(struct sockaddr *)&addr, sizeof(addr)) == -1)
367	{
368	DEBUG_MISC((dfd,"icmp_input udp sendto tx errno = %d-%s\n",
369	errno, strerror(errno)));
370	icmp_error(pData, m, ICMP_UNREACH,ICMP_UNREACH_NET, 0, strerror(errno));
371	m_free(pData, m);
372	}
373	}
374	else
375	{
376	/*
377	* We're freeing the ICMP message, which unable sent or process.
378	* That behavior described in rfc 793, we shouldn't notify sender about
379	* fail of processing it's ICMP packets
380	*/
381	m_free(pData, m);
382	return;
383	}
384	#else /* RT_OS_WINDOWS */
385	icmp_attach(pData, m);
386	pData->icmp_socket.so_laddr.s_addr = ip->ip_src.s_addr; /* XXX: hack*/
387	pData->icmp_socket.so_icmp_id = icp->icmp_id;
388	pData->icmp_socket.so_icmp_seq = icp->icmp_seq;
389	memset(&ipopt, 0, sizeof(IP_OPTION_INFORMATION));
390	ipopt.Ttl = ip->ip_ttl;
391	status = IcmpSendEcho2(pData->icmp_socket.sh, pData->phEvents[VBOX_ICMP_EVENT_INDEX],
392	NULL, NULL, addr.sin_addr.s_addr, icp->icmp_data,
393	icmplen - offsetof(struct icmp, icmp_data) , &ipopt,
394	pData->pvIcmpBuffer, pData->szIcmpBuffer, 1);
395	if (status == 0 && (error = GetLastError()) != ERROR_IO_PENDING)
396	{
397	error = GetLastError();
398	LogRel(("NAT: Error (%d) occurred while sending ICMP (", error));
399	switch (error)
400	{
401	case ERROR_INVALID_PARAMETER:
402	LogRel(("icmp_socket:%lx is invalid)\n", pData->icmp_socket.s));
403	break;
404	case ERROR_NOT_SUPPORTED:
405	LogRel(("operation is unsupported)\n"));
406	break;
407	case ERROR_NOT_ENOUGH_MEMORY:
408	LogRel(("OOM!!!)\n"));
409	break;
410	case IP_BUF_TOO_SMALL:
411	LogRel(("Buffer too small)\n"));
412	break;
413	default:
414	LogRel(("Other error!!!)\n"));
415	break;
416	}
417	}
418	#endif /* RT_OS_WINDOWS */
419	} /* if ip->ip_dst.s_addr == alias_addr.s_addr */
420	break;
421	case ICMP_UNREACH:
422	/* XXX? report error? close socket? */
423	case ICMP_TIMXCEED:
424	case ICMP_PARAMPROB:
425	case ICMP_SOURCEQUENCH:
426	case ICMP_TSTAMP:
427	case ICMP_MASKREQ:
428	case ICMP_REDIRECT:
429	icmpstat.icps_notsupp++;
430	m_freem(pData, m);
431	break;
432
433	default:
434	icmpstat.icps_badtype++;
435	m_freem(pData, m);
436	} /* switch */
437
438	end_error:
439	/* m is m_free()'d xor put in a socket xor or given to ip_send */
440	;
441	}
442
443
444	/*
445	* Send an ICMP message in response to a situation
446	*
447	* RFC 1122: 3.2.2 MUST send at least the IP header and 8 bytes of header. MAY send more (we do).
448	* MUST NOT change this header information.
449	* MUST NOT reply to a multicast/broadcast IP address.
450	* MUST NOT reply to a multicast/broadcast MAC address.
451	* MUST reply to only the first fragment.
452	*/
453	/*
454	* Send ICMP_UNREACH back to the source regarding msrc.
455	* mbuf *msrc is used as a template, but is NOT m_free()'d.
456	* It is reported as the bad ip packet. The header should
457	* be fully correct and in host byte order.
458	* ICMP fragmentation is illegal. All machines must accept 576 bytes in one
459	* packet. The maximum payload is 576-20(ip hdr)-8(icmp hdr)=548
460	*/
461
462	#define ICMP_MAXDATALEN (IP_MSS-28)
463	void icmp_error(PNATState pData, struct mbuf msrc, u_char type, u_char code, int minsize, const char message)
464	{
465	unsigned hlen, shlen, s_ip_len;
466	register struct ip *ip;
467	register struct icmp *icp;
468	register struct mbuf *m;
469
470	DEBUG_CALL("icmp_error");
471	DEBUG_ARG("msrc = %lx", (long )msrc);
472	DEBUG_ARG("msrc_len = %d", msrc->m_len);
473
474	if (type!=ICMP_UNREACH && type!=ICMP_TIMXCEED)
475	goto end_error;
476
477	/* check msrc */
478	if (!msrc)
479	goto end_error;
480
481	ip = mtod(msrc, struct ip *);
482	#if DEBUG
483	{
484	char bufa[20], bufb[20];
485	strcpy(bufa, inet_ntoa(ip->ip_src));
486	strcpy(bufb, inet_ntoa(ip->ip_dst));
487	DEBUG_MISC((dfd, " %.16s to %.16s\n", bufa, bufb));
488	}
489	#endif
490	if (ip->ip_off & IP_OFFMASK)
491	goto end_error; /* Only reply to fragment 0 */
492
493	shlen = ip->ip_hl << 2;
494	s_ip_len = ip->ip_len;
495	if (ip->ip_p == IPPROTO_ICMP)
496	{
497	icp = (struct icmp )((char )ip + shlen);
498	/*
499	* Assume any unknown ICMP type is an error. This isn't
500	* specified by the RFC, but think about it..
501	*/
502	if (icp->icmp_type>18 \|\| icmp_flush[icp->icmp_type])
503	goto end_error;
504	}
505
506	/* make a copy */
507	if (!(m = m_get(pData)))
508	goto end_error; /* get mbuf */
509	{
510	int new_m_size;
511	new_m_size = sizeof(struct ip) + ICMP_MINLEN + msrc->m_len + ICMP_MAXDATALEN;
512	if (new_m_size>m->m_size)
513	m_inc(m, new_m_size);
514	}
515	memcpy(m->m_data, msrc->m_data, msrc->m_len);
516	m->m_len = msrc->m_len; /* copy msrc to m */
517
518	/* make the header of the reply packet */
519	ip = mtod(m, struct ip *);
520	hlen = sizeof(struct ip ); /* no options in reply */
521
522	/* fill in icmp */
523	m->m_data += hlen;
524	m->m_len -= hlen;
525
526	icp = mtod(m, struct icmp *);
527
528	if (minsize)
529	s_ip_len = shlen+ICMP_MINLEN; /* return header+8b only */
530	else if (s_ip_len > ICMP_MAXDATALEN) /* maximum size */
531	s_ip_len = ICMP_MAXDATALEN;
532
533	m->m_len = ICMP_MINLEN + s_ip_len; /* 8 bytes ICMP header */
534
535	/* min. size = 8+sizeof(struct ip)+8 */
536
537	icp->icmp_type = type;
538	icp->icmp_code = code;
539	icp->icmp_id = 0;
540	icp->icmp_seq = 0;
541
542	memcpy(&icp->icmp_ip, msrc->m_data, s_ip_len); /* report the ip packet */
543	HTONS(icp->icmp_ip.ip_len);
544	HTONS(icp->icmp_ip.ip_id);
545	HTONS(icp->icmp_ip.ip_off);
546
547	#if DEBUG
548	if (message)
549	{
550	/* DEBUG : append message to ICMP packet */
551	int message_len;
552	char *cpnt;
553	message_len = strlen(message);
554	if (message_len > ICMP_MAXDATALEN)
555	message_len = ICMP_MAXDATALEN;
556	cpnt = (char *)m->m_data+m->m_len;
557	memcpy(cpnt, message, message_len);
558	m->m_len += message_len;
559	}
560	#endif
561
562	icp->icmp_cksum = 0;
563	icp->icmp_cksum = cksum(m, m->m_len);
564
565	m->m_data -= hlen;
566	m->m_len += hlen;
567
568	/* fill in ip */
569	ip->ip_hl = hlen >> 2;
570	ip->ip_len = m->m_len;
571
572	ip->ip_tos = ((ip->ip_tos & 0x1E) \| 0xC0); /* high priority for errors */
573
574	ip->ip_ttl = MAXTTL;
575	ip->ip_p = IPPROTO_ICMP;
576	ip->ip_dst = ip->ip_src; /* ip adresses */
577	ip->ip_src = alias_addr;
578
579	(void ) ip_output(pData, (struct socket *)NULL, m);
580
581	icmpstat.icps_reflect++;
582
583	end_error:
584	;
585	}
586	#undef ICMP_MAXDATALEN
587
588	/*
589	* Reflect the ip packet back to the source
590	*/
591	void
592	icmp_reflect(PNATState pData, struct mbuf *m)
593	{
594	register struct ip ip = mtod(m, struct ip );
595	int hlen = ip->ip_hl << 2;
596	int optlen = hlen - sizeof(struct ip );
597	register struct icmp *icp;
598
599	/*
600	* Send an icmp packet back to the ip level,
601	* after supplying a checksum.
602	*/
603	m->m_data += hlen;
604	m->m_len -= hlen;
605	icp = mtod(m, struct icmp *);
606
607	icp->icmp_cksum = 0;
608	icp->icmp_cksum = cksum(m, ip->ip_len - hlen);
609
610	m->m_data -= hlen;
611	m->m_len += hlen;
612
613	(void ) ip_output(pData, (struct socket *)NULL, m);
614
615	icmpstat.icps_reflect++;
616	}

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/VBox/Devices/Network/slirp/ip_icmp.c@ 15636

Download in other formats: