[GNUnet-SVN] [gnunet] 12/28: fix ICMP IPv4/IPv6 type conversion logic

[gnunet]

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grothoff pushed a commit to branch master
in repository gnunet.

commit 5199de0279e0825285c294a537d17f8ccee8e148
Author: Christian Grothoff <address@hidden>
AuthorDate: Fri Mar 10 17:46:08 2017 +0100

    fix ICMP IPv4/IPv6 type conversion logic
---
 src/vpn/gnunet-service-vpn.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/vpn/gnunet-service-vpn.c b/src/vpn/gnunet-service-vpn.c
index aa0ea51a3..aab0a143f 100644
--- a/src/vpn/gnunet-service-vpn.c
+++ b/src/vpn/gnunet-service-vpn.c
@@ -2061,6 +2061,7 @@ route_packet (struct DestinationEntry *destination,
       void *payload;
       uint8_t new_type;
 
+      new_type = icmp->type;
       /* Perform ICMP protocol-translation (depending on destination AF and 
source AF)
         and throw away ICMP payload depending on ICMP message type */
       switch (af)
@@ -2111,8 +2112,8 @@ route_packet (struct DestinationEntry *destination,
        switch (icmp->type)
          {
          case GNUNET_TUN_ICMPTYPE6_DESTINATION_UNREACHABLE:
-           if (destination->details.exit_destination.af == AF_INET6)
-             new_type = GNUNET_TUN_ICMPTYPE6_DESTINATION_UNREACHABLE;
+           if (destination->details.exit_destination.af == AF_INET)
+             new_type = GNUNET_TUN_ICMPTYPE_DESTINATION_UNREACHABLE;
            /* throw away IP-payload, exit will have to make it up anyway */
            payload_length = sizeof (struct GNUNET_TUN_IcmpHeader);
            break;

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