Changeset e6b7b198 in mainline for uspace/srv/net/il/ip/ip.c

Timestamp:

2010-02-17T21:25:18Z (14 years ago)

Author:

Lukas Mejdrech <lukasmejdrech@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

536ded4

Parents:

1e2e0c1e

Message:

+ block ICMP error notifications fot the ICMP protocol

File:

• uspace/srv/net/il/ip/ip.c (modified) (2 diffs)

uspace/srv/net/il/ip/ip.c

@@ -380 +380 @@
  *  @returns ENOMEM if the packet is too short to contain the IP header.
  *  @returns EAFNOSUPPORT if the address family is not supported.
+ *  @returns EPERM if the protocol is not allowed to send ICMP notifications. The ICMP protocol itself.
  *  @returns Other error codes as defined for the packet_set_addr().
  */
@@ -1415 +1416 @@
         // only for the first fragment
         if( IP_FRAGMENT_OFFSET( header )) return EINVAL;
+        // not for the ICMP protocol
+        if( header->protocol == IPPROTO_ICMP ){
+                return EPERM;
+        }
         // set the destination address
         switch( header->version ){