[Olsr-cvs] olsrd-current/src/bsd kernel_routes.c, 1.6, 1.6.2.1 net.c, 1.26.2.1, 1.26.2.2

Andreas T�nnesen (spam-protected)
Tue Dec 12 12:15:24 CET 2006


Update of /cvsroot/olsrd/olsrd-current/src/bsd
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv17785/src/bsd

Modified Files:
      Tag: olsrd_04
	kernel_routes.c net.c 
Log Message:
Added FreeBSD IPv6 patches from John Hay

Index: net.c
===================================================================
RCS file: /cvsroot/olsrd/olsrd-current/src/bsd/net.c,v
retrieving revision 1.26.2.1
retrieving revision 1.26.2.2
diff -C2 -d -r1.26.2.1 -r1.26.2.2
*** net.c	5 Nov 2006 23:03:26 -0000	1.26.2.1
--- net.c	12 Dec 2006 11:15:22 -0000	1.26.2.2
***************
*** 62,67 ****
--- 62,69 ----
  
  #ifdef __FreeBSD__
+ #include <ifaddrs.h>
  #include <net/if_var.h>
  #include <net/ethernet.h>
+ #include <netinet/in_var.h>
  #ifndef FBSD_NO_80211
  #include <net80211/ieee80211.h>
***************
*** 72,77 ****
  #endif
  
- #ifdef SPOOF
  #include <net/if_dl.h>
  #include <libnet.h>
  #endif /* SPOOF */
--- 74,79 ----
  #endif
  
  #include <net/if_dl.h>
+ #ifdef SPOOF
  #include <libnet.h>
  #endif /* SPOOF */
***************
*** 173,176 ****
--- 175,189 ----
  
    ignore_redir = set_sysctl_int(name, 0);
+ #elif defined __FreeBSD__
+   if (olsr_cnf->ip_version == AF_INET)
+   {
+     name = "net.inet.icmp.drop_redirect";
+     ignore_redir = set_sysctl_int(name, 1);
+   }
+   else
+   {
+     name = "net.inet6.icmp6.rediraccept";
+     ignore_redir = set_sysctl_int(name, 0);
+   }
  #else
    if (olsr_cnf->ip_version == AF_INET)
***************
*** 244,247 ****
--- 257,266 ----
      name = "net.inet6.icmp6.rediraccept";
  
+ #elif defined __FreeBSD__
+   if (olsr_cnf->ip_version == AF_INET)
+     name = "net.inet.icmp.drop_redirect";
+ 
+   else
+     name = "net.inet6.icmp6.rediraccept";
  #else
    if (olsr_cnf->ip_version == AF_INET)
***************
*** 339,343 ****
      }
  
- #ifdef SPOOF
    if (setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, &on, sizeof(on)) < 0) 
      {
--- 358,361 ----
***************
*** 353,357 ****
        return (-1);
      }
- #endif /* SPOOF */
  
    for (on = bufspace; ; on -= 1024) 
--- 371,374 ----
***************
*** 413,416 ****
--- 430,445 ----
      }
  
+   if (setsockopt(sock, SOL_SOCKET, SO_REUSEPORT, &on, sizeof(on)) < 0) 
+     {
+       perror("SO_REUSEPORT failed");
+       return (-1);
+     }
+ 
+   if (setsockopt(sock, IPPROTO_IPV6, IPV6_RECVPKTINFO, &on, sizeof(on)) < 0)
+     {
+       perror("IPV6_RECVPKTINFO failed");
+       return (-1);
+     }
+ 
    if (bind(sock, (struct sockaddr *)sin, sizeof (*sin)) < 0) 
      {
***************
*** 432,436 ****
  join_mcast(struct interface *ifs, int sock)
  {
!   /* See linux/in6.h */
  
    struct ipv6_mreq mcastreq;
--- 461,465 ----
  join_mcast(struct interface *ifs, int sock)
  {
!   /* See netinet6/in6.h */
  
    struct ipv6_mreq mcastreq;
***************
*** 439,460 ****
    mcastreq.ipv6mr_interface = ifs->if_index;
  
- #if 0
    OLSR_PRINTF(3, "Interface %s joining multicast %s...",	ifs->int_name, olsr_ip_to_string((union olsr_ip_addr *)&ifs->int6_multaddr.sin6_addr))
-   /* Send multicast */
-   if(setsockopt(sock, 
- 		IPPROTO_IPV6, 
- 		IPV6_ADD_MEMBERSHIP, 
- 		(char *)&mcastreq, 
- 		sizeof(struct ipv6_mreq)) 
-      < 0)
-     {
-       perror("Join multicast");
-       return -1;
-     }
- #else
- #warning implement IPV6_ADD_MEMBERSHIP
- #endif
  
!   /* Old libc fix */
  #ifdef IPV6_JOIN_GROUP
    /* Join reciever group */
--- 468,474 ----
    mcastreq.ipv6mr_interface = ifs->if_index;
  
    OLSR_PRINTF(3, "Interface %s joining multicast %s...",	ifs->int_name, olsr_ip_to_string((union olsr_ip_addr *)&ifs->int6_multaddr.sin6_addr))
  
!   /* rfc 3493 */
  #ifdef IPV6_JOIN_GROUP
    /* Join reciever group */
***************
*** 465,470 ****
  		sizeof(struct ipv6_mreq)) 
       < 0)
! #else
!   /* Join reciever group */
    if(setsockopt(sock, 
  		IPPROTO_IPV6, 
--- 479,484 ----
  		sizeof(struct ipv6_mreq)) 
       < 0)
! #else /* rfc 2133, obsoleted */
!   /* Join receiver group */
    if(setsockopt(sock, 
  		IPPROTO_IPV6, 
***************
*** 501,504 ****
--- 515,582 ----
  int get_ipv6_address(char *ifname, struct sockaddr_in6 *saddr6, int scope_in)
  {
+   struct ifaddrs *ifap, *ifa;
+   const struct sockaddr_in6 *sin6 = NULL;
+   struct in6_ifreq ifr6;
+   int found = 0;
+   int s6;
+   u_int32_t flags6;
+ 
+   if (getifaddrs(&ifap) != 0)
+     {
+       OLSR_PRINTF(3, "get_ipv6_address: getifaddrs() failed.\n")
+       return 0;
+     }
+ 
+   for (ifa = ifap; ifa; ifa = ifa->ifa_next)
+     {
+       if (ifa->ifa_addr->sa_family == AF_INET6 &&
+           strcmp(ifa->ifa_name, ifname) == 0)
+         {
+ 	  sin6 = (const struct sockaddr_in6 *)ifa->ifa_addr;
+ 	  if (IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr))
+ 	    continue;
+ 	  strncpy(ifr6.ifr_name, ifname, sizeof(ifname));
+ 	  if ((s6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0)
+ 	    {
+ 	      OLSR_PRINTF(3, "socket(AF_INET6,SOCK_DGRAM)");
+ 	      break;
+ 	    }
+ 	  ifr6.ifr_addr = *sin6;
+ 	  if (ioctl(s6, SIOCGIFAFLAG_IN6, &ifr6) < 0)
+ 	    {
+ 	      OLSR_PRINTF(3, "ioctl(SIOCGIFAFLAG_IN6)");
+ 	      close(s6);
+ 	      break;
+ 	    }
+ 	  close(s6);
+ 	  flags6 = ifr6.ifr_ifru.ifru_flags6;
+ 	  if ((flags6 & IN6_IFF_ANYCAST) != 0)
+ 	    continue;
+ 	  if (IN6_IS_ADDR_SITELOCAL(&sin6->sin6_addr))
+ 	    {
+ 	      if (scope_in)
+ 		{
+ 		  memcpy(&saddr6->sin6_addr, &sin6->sin6_addr,
+ 			 sizeof(struct in6_addr));
+ 		  found = 1;
+ 		  break;
+ 		}
+ 	    }
+ 	  else
+ 	    {
+ 	      if (scope_in == 0)
+ 		{
+ 		  memcpy(&saddr6->sin6_addr, &sin6->sin6_addr,
+ 			 sizeof(struct in6_addr));
+ 		  found = 1;
+ 		  break;
+ 		}
+ 	    }
+ 	}
+     }
+   freeifaddrs(ifap);
+   if (found)
+     return 1;
+ 
    return 0;
  }
***************
*** 628,632 ****
  	      socklen_t *fromlen)
  {
- #if SPOOF
    struct msghdr mhdr;
    struct iovec iov;
--- 706,709 ----
***************
*** 634,641 ****
    struct sockaddr_dl *sdl;
    struct sockaddr_in *sin = (struct sockaddr_in *) from; //XXX
    unsigned char chdr[4096];
    int count;
-   struct interface *ifc;
-   char iname[32];
  
    bzero(&mhdr, sizeof(mhdr));
--- 711,722 ----
    struct sockaddr_dl *sdl;
    struct sockaddr_in *sin = (struct sockaddr_in *) from; //XXX
+   struct sockaddr_in6 *sin6;
+   struct in6_addr *iaddr6;
+   struct in6_pktinfo *pkti;
+   struct interface *ifc;
+   char addrstr[INET6_ADDRSTRLEN];
+   char iname[IFNAMSIZ];
    unsigned char chdr[4096];
    int count;
  
    bzero(&mhdr, sizeof(mhdr));
***************
*** 660,671 ****
    /* this needs to get communicated back to caller */
    *fromlen = mhdr.msg_namelen;
! 
!   cm = (struct cmsghdr *) chdr;
!   sdl = (struct sockaddr_dl *) CMSG_DATA (cm);
!   bzero (iname, sizeof (iname));
!   memcpy (iname, sdl->sdl_data, sdl->sdl_nlen);
  
    ifc = if_ifwithsock (s);
  
    if (strcmp (ifc->int_name, iname) != 0)
      {
--- 741,777 ----
    /* this needs to get communicated back to caller */
    *fromlen = mhdr.msg_namelen;
!   if (olsr_cnf->ip_version == AF_INET6)
!     {
!       for (cm = (struct cmsghdr *)CMSG_FIRSTHDR(&mhdr); cm;
! 	   cm = (struct cmsghdr *)CMSG_NXTHDR(&mhdr, cm))
! 	{
! 	  if (cm->cmsg_level == IPPROTO_IPV6 && cm->cmsg_type == IPV6_PKTINFO)
! 	    {
! 	      pkti = (struct in6_pktinfo *) CMSG_DATA(cm);
! 	      iaddr6 = &pkti->ipi6_addr;
! 	      if_indextoname(pkti->ipi6_ifindex, iname);
! 	    }
! 	}
!     }
!   else
!     {
!       cm = (struct cmsghdr *) chdr;
!       sdl = (struct sockaddr_dl *) CMSG_DATA (cm);
!       bzero (iname, sizeof (iname));
!       memcpy (iname, sdl->sdl_data, sdl->sdl_nlen);
!     }
  
    ifc = if_ifwithsock (s);
  
+   sin6 = (struct sockaddr_in6 *)from;
+   OLSR_PRINTF (4, "%d bytes from %s, socket associated %s really received on %s\n",
+ 	       count,
+ 	       (olsr_cnf->ip_version == AF_INET6) ?
+ 		 inet_ntop(AF_INET6, (char *)&sin6->sin6_addr, addrstr,
+ 				     INET6_ADDRSTRLEN):
+ 	         inet_ntoa (sin->sin_addr),
+ 	       ifc->int_name,
+ 	       iname);
+ 
    if (strcmp (ifc->int_name, iname) != 0)
      {
***************
*** 673,692 ****
      }
  
-   OLSR_PRINTF (2, "%d bytes from %s, socket associated %s really received on %s\n",
- 	       count,
- 	       inet_ntoa (sin->sin_addr),
- 	       ifc->int_name,
- 	       iname);
- 
    return (count);
- 
- #else /* SPOOF */
-   return recvfrom(s, 
- 		  buf, 
- 		  len, 
- 		  0, 
- 		  from, 
- 		  fromlen);
- #endif /* SPOOF */
  }
  
--- 779,783 ----

Index: kernel_routes.c
===================================================================
RCS file: /cvsroot/olsrd/olsrd-current/src/bsd/kernel_routes.c,v
retrieving revision 1.6
retrieving revision 1.6.2.1
diff -C2 -d -r1.6 -r1.6.2.1
*** kernel_routes.c	27 Feb 2005 10:43:38 -0000	1.6
--- kernel_routes.c	12 Dec 2006 11:15:22 -0000	1.6.2.1
***************
*** 171,181 ****
  }
  
! int olsr_ioctl_add_route6(struct rt_entry *dest)
  {
    return 0;
  }
  
  int olsr_ioctl_del_route6(struct rt_entry *dest)
  {
!   return 0;
  }
--- 171,272 ----
  }
  
! static int add_del_route6(struct rt_entry *dest, int add)
  {
+   struct rt_msghdr *rtm;
+   unsigned char buff[512];
+   unsigned char *walker;
+   struct sockaddr_in6 sin6;
+   struct sockaddr_dl sdl;
+   int step, step_dl;
+   int len;
+   char Str1[40], Str2[40];
+ 
+   inet_ntop(AF_INET6, &dest->rt_dst.v6, Str1, 40);
+   inet_ntop(AF_INET6, &dest->rt_router.v6, Str2, 40);
+ 
+   OLSR_PRINTF(1, "%s IPv6 route to %s/%d via %s.\n",
+     (add != 0) ? "Adding" : "Removing", Str1, dest->rt_mask.v6, Str2)
+ 
+   memset(buff, 0, sizeof (buff));
+   memset(&sin6, 0, sizeof (sin6));
+   memset(&sdl, 0, sizeof (sdl));
+ 
+   sin6.sin6_len = sizeof (sin6);
+   sin6.sin6_family = AF_INET6;
+   sdl.sdl_len = sizeof (sdl);
+   sdl.sdl_family = AF_LINK;
+ 
+   step = 1 + ((sizeof (struct sockaddr_in6) - 1) | 3);
+   step_dl = 1 + ((sizeof (struct sockaddr_dl) - 1) | 3);
+ 
+   rtm = (struct rt_msghdr *)buff;
+   rtm->rtm_version = RTM_VERSION;
+   rtm->rtm_type = (add != 0) ? RTM_ADD : RTM_DELETE;
+   rtm->rtm_index = 0;
+   rtm->rtm_flags = dest->rt_flags;
+   rtm->rtm_addrs = RTA_DST | RTA_GATEWAY;
+   rtm->rtm_seq = ++seq;
+ 
+   walker = buff + sizeof (struct rt_msghdr);
+ 
+   memcpy(&sin6.sin6_addr.s6_addr, &dest->rt_dst.v6, sizeof(struct in6_addr));
+ 
+   memcpy(walker, &sin6, sizeof (sin6));
+   walker += step;
+ 
+   if ((rtm->rtm_flags & RTF_GATEWAY) != 0)
+   {
+     memcpy(&sin6.sin6_addr.s6_addr, &dest->rt_router.v6, sizeof(struct in6_addr));
+ 
+     memcpy(walker, &sin6, sizeof (sin6));
+     walker += step;
+   }
+ 
+   // the host is directly reachable, so add the output interface's address
+ 
+   else
+   {
+     memcpy(&sin6.sin6_addr.s6_addr, &dest->rt_if->int6_addr.sin6_addr.s6_addr,
+       sizeof(struct in6_addr));
+ 
+     memcpy(walker, &sin6, sizeof (sin6));
+     walker += step;
+     rtm->rtm_flags |= RTF_LLINFO;
+   }
+ 
+   if ((rtm->rtm_flags & RTF_HOST) == 0)
+   {
+     olsr_prefix_to_netmask((union olsr_ip_addr *)&sin6.sin6_addr, dest->rt_mask.v6);
+     memcpy(walker, &sin6, sizeof (sin6));
+     walker += step;
+     rtm->rtm_addrs |= RTA_NETMASK;
+   }
+ 
+   if ((rtm->rtm_flags & RTF_GATEWAY) != 0)
+   {
+     strcpy(&sdl.sdl_data[0], dest->rt_if->int_name);
+     sdl.sdl_nlen = (u_char)strlen(dest->rt_if->int_name);
+     memcpy(walker, &sdl, sizeof (sdl));
+     walker += step_dl;
+     rtm->rtm_addrs |= RTA_IFP;
+   }
+ 
+   rtm->rtm_msglen = (unsigned short)(walker - buff);
+ 
+   len = write(rts, buff, rtm->rtm_msglen);
+ 
+   if (len < rtm->rtm_msglen)
+     fprintf(stderr, "cannot write to routing socket: %s\n", strerror(errno));
+ 
    return 0;
  }
  
+ int olsr_ioctl_add_route6(struct rt_entry *dest)
+ {
+   return add_del_route6(dest, 1);
+ }
+ 
  int olsr_ioctl_del_route6(struct rt_entry *dest)
  {
!   return add_del_route6(dest, 0);
  }





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