| alias.c (50597) | alias.c (51107) |
|---|---|
| 1/* -*- mode: c; tab-width: 8; c-basic-indent: 4; -*- */ 2/* 3 Alias.c provides supervisory control for the functions of the 4 packet aliasing software. It consists of routines to monitor 5 TCP connection state, protocol-specific aliasing routines, 6 fragment handling and the following outside world functional 7 interfaces: SaveFragmentPtr, GetFragmentPtr, FragmentAliasIn, 8 PacketAliasIn and PacketAliasOut. --- 64 unchanged lines hidden (view full) --- 73 - Eliminated PacketAliasIn2() and 74 PacketAliasOut2() as poorly conceived. 75 76 Version 2.3 Dec 1998 (dillon) 77 - Major bounds checking additions, see FreeBSD/CVS 78 79 See HISTORY file for additional revisions. 80 | 1/* -*- mode: c; tab-width: 8; c-basic-indent: 4; -*- */ 2/* 3 Alias.c provides supervisory control for the functions of the 4 packet aliasing software. It consists of routines to monitor 5 TCP connection state, protocol-specific aliasing routines, 6 fragment handling and the following outside world functional 7 interfaces: SaveFragmentPtr, GetFragmentPtr, FragmentAliasIn, 8 PacketAliasIn and PacketAliasOut. --- 64 unchanged lines hidden (view full) --- 73 - Eliminated PacketAliasIn2() and 74 PacketAliasOut2() as poorly conceived. 75 76 Version 2.3 Dec 1998 (dillon) 77 - Major bounds checking additions, see FreeBSD/CVS 78 79 See HISTORY file for additional revisions. 80 |
| 81 $FreeBSD: head/sys/netinet/libalias/alias.c 50597 1999-08-29 23:17:04Z billf $ | 81 $FreeBSD: head/sys/netinet/libalias/alias.c 51107 1999-09-09 13:42:51Z ru $ |
| 82*/ 83 84#include <stdio.h> 85#include <unistd.h> 86 87#include <sys/param.h> 88#include <sys/types.h> 89 --- 47 unchanged lines hidden (view full) --- 137 138 tc = (struct tcphdr *) ((char *) pip + (pip->ip_hl << 2)); 139 140 switch (GetStateIn(link)) 141 { 142 case ALIAS_TCP_STATE_NOT_CONNECTED: 143 if (tc->th_flags & TH_SYN) 144 SetStateIn(link, ALIAS_TCP_STATE_CONNECTED); | 82*/ 83 84#include <stdio.h> 85#include <unistd.h> 86 87#include <sys/param.h> 88#include <sys/types.h> 89 --- 47 unchanged lines hidden (view full) --- 137 138 tc = (struct tcphdr *) ((char *) pip + (pip->ip_hl << 2)); 139 140 switch (GetStateIn(link)) 141 { 142 case ALIAS_TCP_STATE_NOT_CONNECTED: 143 if (tc->th_flags & TH_SYN) 144 SetStateIn(link, ALIAS_TCP_STATE_CONNECTED); |
| 145 break; | 145 /*FALLTHROUGH*/ |
| 146 case ALIAS_TCP_STATE_CONNECTED: 147 if (tc->th_flags & TH_FIN 148 || tc->th_flags & TH_RST) 149 SetStateIn(link, ALIAS_TCP_STATE_DISCONNECTED); 150 break; 151 } 152} 153 --- 4 unchanged lines hidden (view full) --- 158 159 tc = (struct tcphdr *) ((char *) pip + (pip->ip_hl << 2)); 160 161 switch (GetStateOut(link)) 162 { 163 case ALIAS_TCP_STATE_NOT_CONNECTED: 164 if (tc->th_flags & TH_SYN) 165 SetStateOut(link, ALIAS_TCP_STATE_CONNECTED); | 146 case ALIAS_TCP_STATE_CONNECTED: 147 if (tc->th_flags & TH_FIN 148 || tc->th_flags & TH_RST) 149 SetStateIn(link, ALIAS_TCP_STATE_DISCONNECTED); 150 break; 151 } 152} 153 --- 4 unchanged lines hidden (view full) --- 158 159 tc = (struct tcphdr *) ((char *) pip + (pip->ip_hl << 2)); 160 161 switch (GetStateOut(link)) 162 { 163 case ALIAS_TCP_STATE_NOT_CONNECTED: 164 if (tc->th_flags & TH_SYN) 165 SetStateOut(link, ALIAS_TCP_STATE_CONNECTED); |
| 166 break; | 166 /*FALLTHROUGH*/ |
| 167 case ALIAS_TCP_STATE_CONNECTED: 168 if (tc->th_flags & TH_FIN 169 || tc->th_flags & TH_RST) 170 SetStateOut(link, ALIAS_TCP_STATE_DISCONNECTED); 171 break; 172 } 173} 174 --- 1159 unchanged lines hidden --- | 167 case ALIAS_TCP_STATE_CONNECTED: 168 if (tc->th_flags & TH_FIN 169 || tc->th_flags & TH_RST) 170 SetStateOut(link, ALIAS_TCP_STATE_DISCONNECTED); 171 break; 172 } 173} 174 --- 1159 unchanged lines hidden --- |