| alias.c (179920) | alias.c (188294) |
|---|---|
| 1/*- 2 * Copyright (c) 2001 Charles Mott <cm@linktel.net> 3 * 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 --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2001 Charles Mott <cm@linktel.net> 3 * 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 --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/netinet/libalias/alias.c 179920 2008-06-21 20:18:57Z mav $"); | 28__FBSDID("$FreeBSD: head/sys/netinet/libalias/alias.c 188294 2009-02-07 18:49:42Z piso $"); |
| 29 30/* 31 Alias.c provides supervisory control for the functions of the 32 packet aliasing software. It consists of routines to monitor 33 TCP connection state, protocol-specific aliasing routines, 34 fragment handling and the following outside world functional 35 interfaces: SaveFragmentPtr, GetFragmentPtr, FragmentAliasIn, 36 PacketAliasIn and PacketAliasOut. --- 73 unchanged lines hidden (view full) --- 110 111 See HISTORY file for additional revisions. 112*/ 113 114#ifdef _KERNEL 115#include <sys/param.h> 116#include <sys/systm.h> 117#include <sys/mbuf.h> | 29 30/* 31 Alias.c provides supervisory control for the functions of the 32 packet aliasing software. It consists of routines to monitor 33 TCP connection state, protocol-specific aliasing routines, 34 fragment handling and the following outside world functional 35 interfaces: SaveFragmentPtr, GetFragmentPtr, FragmentAliasIn, 36 PacketAliasIn and PacketAliasOut. --- 73 unchanged lines hidden (view full) --- 110 111 See HISTORY file for additional revisions. 112*/ 113 114#ifdef _KERNEL 115#include <sys/param.h> 116#include <sys/systm.h> 117#include <sys/mbuf.h> |
| 118#include <sys/sysctl.h> |
|
| 118#else 119#include <sys/types.h> 120#include <stdlib.h> 121#include <stdio.h> 122#include <ctype.h> 123#include <dlfcn.h> 124#include <errno.h> 125#include <string.h> --- 12 unchanged lines hidden (view full) --- 138#include <netinet/libalias/alias_mod.h> 139#else 140#include <err.h> 141#include "alias.h" 142#include "alias_local.h" 143#include "alias_mod.h" 144#endif 145 | 119#else 120#include <sys/types.h> 121#include <stdlib.h> 122#include <stdio.h> 123#include <ctype.h> 124#include <dlfcn.h> 125#include <errno.h> 126#include <string.h> --- 12 unchanged lines hidden (view full) --- 139#include <netinet/libalias/alias_mod.h> 140#else 141#include <err.h> 142#include "alias.h" 143#include "alias_local.h" 144#include "alias_mod.h" 145#endif 146 |
| 147/* 148 * Define libalias SYSCTL Node 149 */ 150#ifdef SYSCTL_NODE 151 152SYSCTL_DECL(_net_inet); 153SYSCTL_DECL(_net_inet_ip); 154SYSCTL_NODE(_net_inet_ip, OID_AUTO, alias, CTLFLAG_RW, NULL, "Libalias sysctl API"); 155 156#endif 157 |
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| 146static __inline int 147twowords(void *p) 148{ 149 uint8_t *c = p; 150 151#if BYTE_ORDER == LITTLE_ENDIAN 152 uint16_t s1 = ((uint16_t)c[1] << 8) + (uint16_t)c[0]; 153 uint16_t s2 = ((uint16_t)c[3] << 8) + (uint16_t)c[2]; --- 1176 unchanged lines hidden (view full) --- 1330 iresult = IcmpAliasIn(la, pip); 1331 break; 1332 case IPPROTO_UDP: 1333 iresult = UdpAliasIn(la, pip); 1334 break; 1335 case IPPROTO_TCP: 1336 iresult = TcpAliasIn(la, pip); 1337 break; | 158static __inline int 159twowords(void *p) 160{ 161 uint8_t *c = p; 162 163#if BYTE_ORDER == LITTLE_ENDIAN 164 uint16_t s1 = ((uint16_t)c[1] << 8) + (uint16_t)c[0]; 165 uint16_t s2 = ((uint16_t)c[3] << 8) + (uint16_t)c[2]; --- 1176 unchanged lines hidden (view full) --- 1342 iresult = IcmpAliasIn(la, pip); 1343 break; 1344 case IPPROTO_UDP: 1345 iresult = UdpAliasIn(la, pip); 1346 break; 1347 case IPPROTO_TCP: 1348 iresult = TcpAliasIn(la, pip); 1349 break; |
| 1350#ifdef _KERNEL 1351 case IPPROTO_SCTP: 1352 iresult = SctpAlias(la, pip, SN_TO_LOCAL); 1353 break; 1354#endif |
|
| 1338 case IPPROTO_GRE: { 1339 int error; 1340 struct alias_data ad = { 1341 .lnk = NULL, 1342 .oaddr = NULL, 1343 .aaddr = NULL, 1344 .aport = NULL, 1345 .sport = NULL, --- 126 unchanged lines hidden (view full) --- 1472 if ((ntohs(pip->ip_off) & IP_OFFMASK) == 0) { 1473 switch (pip->ip_p) { 1474 case IPPROTO_ICMP: 1475 iresult = IcmpAliasOut(la, pip, create); 1476 break; 1477 case IPPROTO_UDP: 1478 iresult = UdpAliasOut(la, pip, maxpacketsize, create); 1479 break; | 1355 case IPPROTO_GRE: { 1356 int error; 1357 struct alias_data ad = { 1358 .lnk = NULL, 1359 .oaddr = NULL, 1360 .aaddr = NULL, 1361 .aport = NULL, 1362 .sport = NULL, --- 126 unchanged lines hidden (view full) --- 1489 if ((ntohs(pip->ip_off) & IP_OFFMASK) == 0) { 1490 switch (pip->ip_p) { 1491 case IPPROTO_ICMP: 1492 iresult = IcmpAliasOut(la, pip, create); 1493 break; 1494 case IPPROTO_UDP: 1495 iresult = UdpAliasOut(la, pip, maxpacketsize, create); 1496 break; |
| 1480 case IPPROTO_TCP: | 1497 case IPPROTO_TCP: |
| 1481 iresult = TcpAliasOut(la, pip, maxpacketsize, create); 1482 break; | 1498 iresult = TcpAliasOut(la, pip, maxpacketsize, create); 1499 break; |
| 1483 case IPPROTO_GRE: { | 1500#ifdef _KERNEL 1501 case IPPROTO_SCTP: 1502 iresult = SctpAlias(la, pip, SN_TO_GLOBAL); 1503 break; 1504#endif 1505 case IPPROTO_GRE: { |
| 1484 int error; 1485 struct alias_data ad = { 1486 .lnk = NULL, 1487 .oaddr = NULL, 1488 .aaddr = NULL, 1489 .aport = NULL, 1490 .sport = NULL, 1491 .dport = NULL, --- 284 unchanged lines hidden --- | 1506 int error; 1507 struct alias_data ad = { 1508 .lnk = NULL, 1509 .oaddr = NULL, 1510 .aaddr = NULL, 1511 .aport = NULL, 1512 .sport = NULL, 1513 .dport = NULL, --- 284 unchanged lines hidden --- |