| udp_usrreq.c (122875) | udp_usrreq.c (122922) |
|---|---|
| 1/* 2 * Copyright (c) 1982, 1986, 1988, 1990, 1993, 1995 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 --- 17 unchanged lines hidden (view full) --- 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 * @(#)udp_usrreq.c 8.6 (Berkeley) 5/23/95 | 1/* 2 * Copyright (c) 1982, 1986, 1988, 1990, 1993, 1995 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 --- 17 unchanged lines hidden (view full) --- 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 * @(#)udp_usrreq.c 8.6 (Berkeley) 5/23/95 |
| 34 * $FreeBSD: head/sys/netinet/udp_usrreq.c 122875 2003-11-18 00:39:07Z rwatson $ | 34 * $FreeBSD: head/sys/netinet/udp_usrreq.c 122922 2003-11-20 20:07:39Z andre $ |
| 35 */ 36 37#include "opt_ipsec.h" 38#include "opt_inet6.h" 39#include "opt_mac.h" 40 41#include <sys/param.h> 42#include <sys/systm.h> --- 496 unchanged lines hidden (view full) --- 539 struct in_addr faddr; 540 struct inpcb *inp; 541 int s; 542 543 faddr = ((struct sockaddr_in *)sa)->sin_addr; 544 if (sa->sa_family != AF_INET || faddr.s_addr == INADDR_ANY) 545 return; 546 | 35 */ 36 37#include "opt_ipsec.h" 38#include "opt_inet6.h" 39#include "opt_mac.h" 40 41#include <sys/param.h> 42#include <sys/systm.h> --- 496 unchanged lines hidden (view full) --- 539 struct in_addr faddr; 540 struct inpcb *inp; 541 int s; 542 543 faddr = ((struct sockaddr_in *)sa)->sin_addr; 544 if (sa->sa_family != AF_INET || faddr.s_addr == INADDR_ANY) 545 return; 546 |
| 547 if (PRC_IS_REDIRECT(cmd)) { | 547 /* 548 * Redirects don't need to be handled up here. 549 */ 550 if (PRC_IS_REDIRECT(cmd)) 551 return; 552 /* 553 * Hostdead is ugly because it goes linearly through all PCBs. 554 * XXX: We never get this from ICMP, otherwise it makes an 555 * excellent DoS attack on machines with many connections. 556 */ 557 if (cmd == PRC_HOSTDEAD) |
| 548 ip = 0; | 558 ip = 0; |
| 549 notify = in_rtchange; 550 } else if (cmd == PRC_HOSTDEAD) 551 ip = 0; | |
| 552 else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) 553 return; 554 if (ip) { 555 s = splnet(); 556 uh = (struct udphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 557 INP_INFO_RLOCK(&udbinfo); 558 inp = in_pcblookup_hash(&udbinfo, faddr, uh->uh_dport, 559 ip->ip_src, uh->uh_sport, 0, NULL); --- 308 unchanged lines hidden (view full) --- 868 } else { 869 ui->ui_sum = 0; 870 } 871 ((struct ip *)ui)->ip_len = sizeof (struct udpiphdr) + len; 872 ((struct ip *)ui)->ip_ttl = inp->inp_ip_ttl; /* XXX */ 873 ((struct ip *)ui)->ip_tos = inp->inp_ip_tos; /* XXX */ 874 udpstat.udps_opackets++; 875 | 559 else if ((unsigned)cmd >= PRC_NCMDS || inetctlerrmap[cmd] == 0) 560 return; 561 if (ip) { 562 s = splnet(); 563 uh = (struct udphdr *)((caddr_t)ip + (ip->ip_hl << 2)); 564 INP_INFO_RLOCK(&udbinfo); 565 inp = in_pcblookup_hash(&udbinfo, faddr, uh->uh_dport, 566 ip->ip_src, uh->uh_sport, 0, NULL); --- 308 unchanged lines hidden (view full) --- 875 } else { 876 ui->ui_sum = 0; 877 } 878 ((struct ip *)ui)->ip_len = sizeof (struct udpiphdr) + len; 879 ((struct ip *)ui)->ip_ttl = inp->inp_ip_ttl; /* XXX */ 880 ((struct ip *)ui)->ip_tos = inp->inp_ip_tos; /* XXX */ 881 udpstat.udps_opackets++; 882 |
| 876 error = ip_output(m, inp->inp_options, &inp->inp_route, ipflags, | 883 error = ip_output(m, inp->inp_options, NULL, ipflags, |
| 877 inp->inp_moptions, inp); 878 return (error); 879 880release: 881 m_freem(m); 882 return (error); 883} 884 --- 239 unchanged lines hidden --- | 884 inp->inp_moptions, inp); 885 return (error); 886 887release: 888 m_freem(m); 889 return (error); 890} 891 --- 239 unchanged lines hidden --- |