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Fix duplicate default routes when IP address is set manually.

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svn path=/trunk/; revision=21900
This commit is contained in:
Art Yerkes 2006-05-13 07:11:22 +00:00
parent c68622792c
commit c37d7e43f9
1 changed files with 27 additions and 2 deletions
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29
reactos/lib/drivers/ip/network/router.c
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@ -219,7 +219,7 @@ PFIB_ENTRY RouterAddRoute(
return NULL;
}
INIT_TAG(Router, TAG('R','O','U','T'));
INIT_TAG(Router, TAG('R','O','U','T'));
RtlCopyMemory( &FIBE->NetworkAddress, NetworkAddress,
sizeof(FIBE->NetworkAddress) );
@ -414,8 +414,33 @@ PFIB_ENTRY RouterCreateRoute(
* for providing this reference
*/
{
PNEIGHBOR_CACHE_ENTRY NCE;
KIRQL OldIrql;
PFIB_ENTRY FIBE;
PLIST_ENTRY CurrentEntry;
PLIST_ENTRY NextEntry;
PFIB_ENTRY Current;
PNEIGHBOR_CACHE_ENTRY NCE;
TcpipAcquireSpinLock(&FIBLock, &OldIrql);
CurrentEntry = FIBListHead.Flink;
while (CurrentEntry != &FIBListHead) {
NextEntry = CurrentEntry->Flink;
Current = CONTAINING_RECORD(CurrentEntry, FIB_ENTRY, ListEntry);
NCE = Current->Router;
if( AddrIsEqual(NetworkAddress, &Current->NetworkAddress) &&
AddrIsEqual(Netmask, &Current->Netmask) ) {
TI_DbgPrint(DEBUG_ROUTER,("Attempting to add duplicate route to %s\n", A2S(NetworkAddress)));
TcpipReleaseSpinLock(&FIBLock, OldIrql);
return NULL;
}
CurrentEntry = NextEntry;
}
TcpipReleaseSpinLock(&FIBLock, OldIrql);
/* The NCE references RouterAddress. The NCE is referenced for us */
NCE = NBFindOrCreateNeighbor(Interface, RouterAddress);