Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files. =================================================================== RCS file: /ftp/cvs/cvsroot/src/sys/netinet/ip_input.c,v rcsdiff: /ftp/cvs/cvsroot/src/sys/netinet/ip_input.c,v: warning: Unknown phrases like `commitid ...;' are present. retrieving revision 1.223.4.1 retrieving revision 1.236.2.2 diff -u -p -r1.223.4.1 -r1.236.2.2 --- src/sys/netinet/ip_input.c 2006/09/09 02:58:47 1.223.4.1 +++ src/sys/netinet/ip_input.c 2008/03/30 15:27:49 1.236.2.2 @@ -1,4 +1,4 @@ -/* $NetBSD: ip_input.c,v 1.223.4.1 2006/09/09 02:58:47 rpaulo Exp $ */ +/* $NetBSD: ip_input.c,v 1.236.2.2 2008/03/30 15:27:49 jdc Exp $ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. @@ -98,7 +98,7 @@ */ #include -__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.223.4.1 2006/09/09 02:58:47 rpaulo Exp $"); +__KERNEL_RCSID(0, "$NetBSD: ip_input.c,v 1.236.2.2 2008/03/30 15:27:49 jdc Exp $"); #include "opt_inet.h" #include "opt_gateway.h" @@ -121,6 +121,7 @@ __KERNEL_RCSID(0, "$NetBSD: ip_input.c,v #include #include #include +#include #include #include @@ -376,8 +377,8 @@ static struct ip_srcrt { static void save_rte(u_char *, struct in_addr); #ifdef MBUFTRACE -struct mowner ip_rx_mowner = { "internet", "rx" }; -struct mowner ip_tx_mowner = { "internet", "tx" }; +struct mowner ip_rx_mowner = MOWNER_INIT("internet", "rx"); +struct mowner ip_tx_mowner = MOWNER_INIT("internet", "tx"); #endif /* @@ -487,12 +488,13 @@ ip_input(struct mbuf *m) int downmatch; int checkif; int srcrt = 0; + int s; u_int hash; #ifdef FAST_IPSEC struct m_tag *mtag; struct tdb_ident *tdbi; struct secpolicy *sp; - int s, error; + int error; #endif /* FAST_IPSEC */ MCLAIM(m, &ip_rx_mowner); @@ -941,7 +943,9 @@ found: */ if (mff || ip->ip_off != htons(0)) { ipstat.ips_fragments++; + s = splvm(); ipqe = pool_get(&ipqent_pool, PR_NOWAIT); + splx(s); if (ipqe == NULL) { ipstat.ips_rcvmemdrop++; IPQ_UNLOCK(); @@ -1009,7 +1013,6 @@ found: /* XXX error stat??? */ error = EINVAL; DPRINTF(("ip_input: no SP, packet discarded\n"));/*XXX*/ - goto bad; } splx(s); if (error) @@ -1054,7 +1057,7 @@ ip_reass(struct ipqent *ipqe, struct ipq struct ip *ip; struct mbuf *t; int hlen = ipqe->ipqe_ip->ip_hl << 2; - int i, next; + int i, next, s; IPQ_LOCK_CHECK(); @@ -1159,7 +1162,9 @@ ip_reass(struct ipqent *ipqe, struct ipq nq = TAILQ_NEXT(q, ipqe_q); m_freem(q->ipqe_m); TAILQ_REMOVE(&fp->ipq_fragq, q, ipqe_q); + s = splvm(); pool_put(&ipqent_pool, q); + splx(s); fp->ipq_nfrags--; ip_nfrags--; } @@ -1200,11 +1205,15 @@ insert: m->m_next = 0; m_cat(m, t); nq = TAILQ_NEXT(q, ipqe_q); + s = splvm(); pool_put(&ipqent_pool, q); + splx(s); for (q = nq; q != NULL; q = nq) { t = q->ipqe_m; nq = TAILQ_NEXT(q, ipqe_q); + s = splvm(); pool_put(&ipqent_pool, q); + splx(s); m_cat(m, t); } ip_nfrags -= fp->ipq_nfrags; @@ -1239,7 +1248,9 @@ dropfrag: ip_nfrags--; ipstat.ips_fragdropped++; m_freem(m); + s = splvm(); pool_put(&ipqent_pool, ipqe); + splx(s); return (0); } @@ -1252,6 +1263,7 @@ ip_freef(struct ipq *fp) { struct ipqent *q, *p; u_int nfrags = 0; + int s; IPQ_LOCK_CHECK(); @@ -1260,7 +1272,9 @@ ip_freef(struct ipq *fp) m_freem(q->ipqe_m); nfrags++; TAILQ_REMOVE(&fp->ipq_fragq, q, ipqe_q); + s = splvm(); pool_put(&ipqent_pool, q); + splx(s); } if (nfrags != fp->ipq_nfrags) @@ -1962,17 +1976,17 @@ ip_forward(struct mbuf *m, int srcrt) case EMSGSIZE: type = ICMP_UNREACH; code = ICMP_UNREACH_NEEDFRAG; -#if !defined(IPSEC) && !defined(FAST_IPSEC) - if (ipforward_rt.ro_rt) - destmtu = ipforward_rt.ro_rt->rt_ifp->if_mtu; -#else - /* - * If the packet is routed over IPsec tunnel, tell the - * originator the tunnel MTU. - * tunnel MTU = if MTU - sizeof(IP) - ESP/AH hdrsiz - * XXX quickhack!!! - */ + if (ipforward_rt.ro_rt) { + +#if defined(IPSEC) || defined(FAST_IPSEC) + /* + * If the packet is routed over IPsec tunnel, tell the + * originator the tunnel MTU. + * tunnel MTU = if MTU - sizeof(IP) - ESP/AH hdrsiz + * XXX quickhack!!! + */ + struct secpolicy *sp; int ipsecerror; size_t ipsechdr; @@ -1981,10 +1995,11 @@ ip_forward(struct mbuf *m, int srcrt) sp = ipsec4_getpolicybyaddr(mcopy, IPSEC_DIR_OUTBOUND, IP_FORWARDING, &ipsecerror); +#endif - if (sp == NULL) - destmtu = ipforward_rt.ro_rt->rt_ifp->if_mtu; - else { + destmtu = ipforward_rt.ro_rt->rt_ifp->if_mtu; +#if defined(IPSEC) || defined(FAST_IPSEC) + if (sp != NULL) { /* count IPsec header size */ ipsechdr = ipsec4_hdrsiz(mcopy, IPSEC_DIR_OUTBOUND, NULL); @@ -2013,8 +2028,8 @@ ip_forward(struct mbuf *m, int srcrt) KEY_FREESP(&sp); #endif } +#endif /*defined(IPSEC) || defined(FAST_IPSEC)*/ } -#endif /*IPSEC*/ ipstat.ips_cantfrag++; break; @@ -2111,7 +2126,8 @@ sysctl_net_inet_ip_forwsrcrt(SYSCTLFN_AR if (error || newp == NULL) return (error); - if (securelevel > 0) + if (kauth_authorize_network(l->l_cred, KAUTH_NETWORK_FORWSRCRT, + 0, NULL, NULL, NULL)) return (EPERM); ip_forwsrcrt = tmp;