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Diff for /src/sys/netinet6/ip6_input.c between version 1.132 and 1.132.2.2

version 1.132, 2011/06/01 22:59:44 version 1.132.2.2, 2012/10/30 17:22:49
Line 85  __KERNEL_RCSID(0, "$NetBSD$");
Line 85  __KERNEL_RCSID(0, "$NetBSD$");
 #include <sys/syslog.h>  #include <sys/syslog.h>
 #include <sys/proc.h>  #include <sys/proc.h>
 #include <sys/sysctl.h>  #include <sys/sysctl.h>
   #include <sys/cprng.h>
   
 #include <net/if.h>  #include <net/if.h>
 #include <net/if_types.h>  #include <net/if_types.h>
Line 102  __KERNEL_RCSID(0, "$NetBSD$");
Line 103  __KERNEL_RCSID(0, "$NetBSD$");
 #include <netinet/ip_icmp.h>  #include <netinet/ip_icmp.h>
 #endif /* INET */  #endif /* INET */
 #include <netinet/ip6.h>  #include <netinet/ip6.h>
   #include <netinet/portalgo.h>
 #include <netinet6/in6_var.h>  #include <netinet6/in6_var.h>
 #include <netinet6/ip6_var.h>  #include <netinet6/ip6_var.h>
 #include <netinet6/ip6_private.h>  #include <netinet6/ip6_private.h>
Line 111  __KERNEL_RCSID(0, "$NetBSD$");
Line 113  __KERNEL_RCSID(0, "$NetBSD$");
 #include <netinet6/in6_ifattach.h>  #include <netinet6/in6_ifattach.h>
 #include <netinet6/nd6.h>  #include <netinet6/nd6.h>
   
 #ifdef IPSEC  
 #include <netinet6/ipsec.h>  
 #include <netinet6/ipsec_private.h>  
 #endif  
   
 #ifdef FAST_IPSEC  #ifdef FAST_IPSEC
 #include <netipsec/ipsec.h>  #include <netipsec/ipsec.h>
 #include <netipsec/ipsec6.h>  #include <netipsec/ipsec6.h>
Line 160  percpu_t *ip6stat_percpu;
Line 157  percpu_t *ip6stat_percpu;
 static void ip6_init2(void *);  static void ip6_init2(void *);
 static struct m_tag *ip6_setdstifaddr(struct mbuf *, const struct in6_ifaddr *);  static struct m_tag *ip6_setdstifaddr(struct mbuf *, const struct in6_ifaddr *);
   
 static int ip6_hopopts_input(u_int32_t *, u_int32_t *, struct mbuf **, int *);  static int ip6_process_hopopts(struct mbuf *, u_int8_t *, int, u_int32_t *,
           u_int32_t *);
 static struct mbuf *ip6_pullexthdr(struct mbuf *, size_t, int);  static struct mbuf *ip6_pullexthdr(struct mbuf *, size_t, int);
 static void sysctl_net_inet6_ip6_setup(struct sysctllog **);  static void sysctl_net_inet6_ip6_setup(struct sysctllog **);
   
Line 190  ip6_init(void)
Line 188  ip6_init(void)
         addrsel_policy_init();          addrsel_policy_init();
         nd6_init();          nd6_init();
         frag6_init();          frag6_init();
         ip6_desync_factor = arc4random() % MAX_TEMP_DESYNC_FACTOR;          ip6_desync_factor = cprng_fast32() % MAX_TEMP_DESYNC_FACTOR;
   
         ip6_init2((void *)0);          ip6_init2(NULL);
 #ifdef GATEWAY  #ifdef GATEWAY
         ip6flow_init(ip6_hashsize);          ip6flow_init(ip6_hashsize);
 #endif  #endif
Line 278  ip6_input(struct mbuf *m)
Line 276  ip6_input(struct mbuf *m)
         int s, error;          int s, error;
 #endif  #endif
   
 #ifdef IPSEC  
         /*  
          * should the inner packet be considered authentic?  
          * see comment in ah4_input().  
          */  
         m->m_flags &= ~M_AUTHIPHDR;  
         m->m_flags &= ~M_AUTHIPDGM;  
 #endif  
   
         /*          /*
          * make sure we don't have onion peering information into m_tag.           * make sure we don't have onion peering information into m_tag.
          */           */
Line 350  ip6_input(struct mbuf *m)
Line 339  ip6_input(struct mbuf *m)
                 goto bad;                  goto bad;
         }          }
   
 #if defined(IPSEC)  
         /* IPv6 fast forwarding is not compatible with IPsec. */  
         m->m_flags &= ~M_CANFASTFWD;  
 #else  
         /*          /*
          * Assume that we can create a fast-forward IP flow entry           * Assume that we can create a fast-forward IP flow entry
          * based on this packet.           * based on this packet.
          */           */
         m->m_flags |= M_CANFASTFWD;          m->m_flags |= M_CANFASTFWD;
 #endif  
   
 #ifdef PFIL_HOOKS  #ifdef PFIL_HOOKS
         /*          /*
Line 373  ip6_input(struct mbuf *m)
Line 357  ip6_input(struct mbuf *m)
          * let ipfilter look at packet on the wire,           * let ipfilter look at packet on the wire,
          * not the decapsulated packet.           * not the decapsulated packet.
          */           */
 #ifdef IPSEC  #if defined(FAST_IPSEC)
         if (!ipsec_getnhist(m))  
 #elif defined(FAST_IPSEC)  
         if (!ipsec_indone(m))          if (!ipsec_indone(m))
 #else  #else
         if (1)          if (1)
Line 784  ip6_input(struct mbuf *m)
Line 766  ip6_input(struct mbuf *m)
                         }                          }
                 }                  }
   
 #ifdef IPSEC  
                 /*  
                  * enforce IPsec policy checking if we are seeing last header.  
                  * note that we do not visit this with protocols with pcb layer  
                  * code - like udp/tcp/raw ip.  
                  */  
                 if ((inet6sw[ip6_protox[nxt]].pr_flags & PR_LASTHDR) != 0 &&  
                     ipsec6_in_reject(m, NULL)) {  
                         IPSEC6_STATINC(IPSEC_STAT_IN_POLVIO);  
                         goto bad;  
                 }  
 #endif  
 #ifdef FAST_IPSEC  #ifdef FAST_IPSEC
         /*          /*
          * enforce IPsec policy checking if we are seeing last header.           * enforce IPsec policy checking if we are seeing last header.
Line 881  ip6_getdstifaddr(struct mbuf *m)
Line 851  ip6_getdstifaddr(struct mbuf *m)
  *   *
  * rtalertp - XXX: should be stored more smart way   * rtalertp - XXX: should be stored more smart way
  */   */
 static int  int
 ip6_hopopts_input(u_int32_t *plenp, u_int32_t *rtalertp,  ip6_hopopts_input(u_int32_t *plenp, u_int32_t *rtalertp,
         struct mbuf **mp, int *offp)          struct mbuf **mp, int *offp)
 {  {
Line 926  ip6_hopopts_input(u_int32_t *plenp, u_in
Line 896  ip6_hopopts_input(u_int32_t *plenp, u_in
  * (RFC2460 p7), opthead is pointer into data content in m, and opthead to   * (RFC2460 p7), opthead is pointer into data content in m, and opthead to
  * opthead + hbhlen is located in continuous memory region.   * opthead + hbhlen is located in continuous memory region.
  */   */
 int  static int
 ip6_process_hopopts(struct mbuf *m, u_int8_t *opthead, int hbhlen,  ip6_process_hopopts(struct mbuf *m, u_int8_t *opthead, int hbhlen,
         u_int32_t *rtalertp, u_int32_t *plenp)          u_int32_t *rtalertp, u_int32_t *plenp)
 {  {
Line 1987  sysctl_net_inet6_ip6_setup(struct sysctl
Line 1957  sysctl_net_inet6_ip6_setup(struct sysctl
                         CTL_NET, PF_INET6, IPPROTO_IPV6,                          CTL_NET, PF_INET6, IPPROTO_IPV6,
                         CTL_CREATE, CTL_EOL);                          CTL_CREATE, CTL_EOL);
 #endif  #endif
           /* anonportalgo RFC6056 subtree */
           const struct sysctlnode *portalgo_node;
           sysctl_createv(clog, 0, NULL, &portalgo_node,
                          CTLFLAG_PERMANENT,
                          CTLTYPE_NODE, "anonportalgo",
                          SYSCTL_DESCR("Anonymous port algorithm selection (RFC 6056)"),
                          NULL, 0, NULL, 0,
                          CTL_NET, PF_INET6, IPPROTO_IPV6, CTL_CREATE, CTL_EOL);
           sysctl_createv(clog, 0, &portalgo_node, NULL,
                          CTLFLAG_PERMANENT,
                          CTLTYPE_STRING, "available",
                          SYSCTL_DESCR("available algorithms"),
                          sysctl_portalgo_available, 0, NULL, PORTALGO_MAXLEN,
                          CTL_CREATE, CTL_EOL);
           sysctl_createv(clog, 0, &portalgo_node, NULL,
                          CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
                          CTLTYPE_STRING, "selected",
                          SYSCTL_DESCR("selected algorithm"),
                          sysctl_portalgo_selected6, 0, NULL, PORTALGO_MAXLEN,
                          CTL_CREATE, CTL_EOL);
           sysctl_createv(clog, 0, NULL, NULL,
                          CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
                          CTLTYPE_INT, "neighborgcthresh",
                          SYSCTL_DESCR("Maximum number of entries in neighbor"
                           " cache"),
                          NULL, 1, &ip6_neighborgcthresh, 0,
                          CTL_NET, PF_INET6, IPPROTO_IPV6,
                          CTL_CREATE, CTL_EOL);
           sysctl_createv(clog, 0, NULL, NULL,
                          CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
                          CTLTYPE_INT, "maxifprefixes",
                          SYSCTL_DESCR("Maximum number of prefixes created by"
                              " route advertisement per interface"),
                          NULL, 1, &ip6_maxifprefixes, 0,
                          CTL_NET, PF_INET6, IPPROTO_IPV6,
                          CTL_CREATE, CTL_EOL);
           sysctl_createv(clog, 0, NULL, NULL,
                          CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
                          CTLTYPE_INT, "maxifdefrouters",
                          SYSCTL_DESCR("Maximum number of default routers created"
                              " by route advertisement per interface"),
                          NULL, 1, &ip6_maxifdefrouters, 0,
                          CTL_NET, PF_INET6, IPPROTO_IPV6,
                          CTL_CREATE, CTL_EOL);
           sysctl_createv(clog, 0, NULL, NULL,
                          CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
                          CTLTYPE_INT, "maxdynroutes",
                          SYSCTL_DESCR("Maximum number of routes created via"
                              " redirect"),
                          NULL, 1, &ip6_maxdynroutes, 0,
                          CTL_NET, PF_INET6, IPPROTO_IPV6,
                          CTL_CREATE, CTL_EOL);
 }  }
   
 void  void

Legend:
Removed from v.1.132  
changed lines
  Added in v.1.132.2.2

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