| ip_reass.c (107114) | ip_reass.c (108466) |
|---|---|
| 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 --- 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 * @(#)ip_input.c 8.2 (Berkeley) 1/4/94 | 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 --- 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 * @(#)ip_input.c 8.2 (Berkeley) 1/4/94 |
| 34 * $FreeBSD: head/sys/netinet/ip_input.c 107114 2002-11-20 19:07:27Z luigi $ | 34 * $FreeBSD: head/sys/netinet/ip_input.c 108466 2002-12-30 20:22:40Z sam $ |
| 35 */ 36 37#include "opt_bootp.h" 38#include "opt_ipfw.h" 39#include "opt_ipdn.h" 40#include "opt_ipdivert.h" 41#include "opt_ipfilter.h" 42#include "opt_ipstealth.h" --- 1715 unchanged lines hidden (view full) --- 1758 * really we are wasting a lot of work here. 1759 * 1760 * We don't use m_copy() because it might return a reference 1761 * to a shared cluster. Both this function and ip_output() 1762 * assume exclusive access to the IP header in `m', so any 1763 * data in a cluster may change before we reach icmp_error(). 1764 */ 1765 MGET(mcopy, M_DONTWAIT, m->m_type); | 35 */ 36 37#include "opt_bootp.h" 38#include "opt_ipfw.h" 39#include "opt_ipdn.h" 40#include "opt_ipdivert.h" 41#include "opt_ipfilter.h" 42#include "opt_ipstealth.h" --- 1715 unchanged lines hidden (view full) --- 1758 * really we are wasting a lot of work here. 1759 * 1760 * We don't use m_copy() because it might return a reference 1761 * to a shared cluster. Both this function and ip_output() 1762 * assume exclusive access to the IP header in `m', so any 1763 * data in a cluster may change before we reach icmp_error(). 1764 */ 1765 MGET(mcopy, M_DONTWAIT, m->m_type); |
| 1766 if (mcopy != NULL && !m_dup_pkthdr(mcopy, m, M_DONTWAIT)) { 1767 /* 1768 * It's probably ok if the pkthdr dup fails (because 1769 * the deep copy of the tag chain failed), but for now 1770 * be conservative and just discard the copy since 1771 * code below may some day want the tags. 1772 */ 1773 m_free(mcopy); 1774 mcopy = NULL; 1775 } |
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| 1766 if (mcopy != NULL) { | 1776 if (mcopy != NULL) { |
| 1767 M_COPY_PKTHDR(mcopy, m); | |
| 1768 mcopy->m_len = imin((ip->ip_hl << 2) + 8, 1769 (int)ip->ip_len); 1770 m_copydata(m, 0, mcopy->m_len, mtod(mcopy, caddr_t)); 1771#ifdef MAC 1772 /* 1773 * XXXMAC: This will eventually become an explicit 1774 * labeling point. 1775 */ --- 378 unchanged lines hidden --- | 1777 mcopy->m_len = imin((ip->ip_hl << 2) + 8, 1778 (int)ip->ip_len); 1779 m_copydata(m, 0, mcopy->m_len, mtod(mcopy, caddr_t)); 1780#ifdef MAC 1781 /* 1782 * XXXMAC: This will eventually become an explicit 1783 * labeling point. 1784 */ --- 378 unchanged lines hidden --- |