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Fixed endian errors in UDP source and destination port handling.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19633 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Marcus Overhagen 2006-12-26 19:12:35 +00:00
parent dde7916d62
commit 6378dd7cf4
1 changed files with 7 additions and 4 deletions
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11
src/system/boot/loader/net/UDP.cpp
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@ -288,9 +288,12 @@ UDPService::HandleIPPacket(IPService *ipService, ip_addr_t sourceIP,
if (!data || size < sizeof(udp_header)) if (!data || size < sizeof(udp_header))
return; return;
// check the header
const udp_header *header = (const udp_header*)data; const udp_header *header = (const udp_header*)data;
uint16 source = ntohs(header->source);
uint16 destination = ntohs(header->destination);
uint16 length = ntohs(header->length); uint16 length = ntohs(header->length);
// check the header
if (length < sizeof(udp_header) || length > size if (length < sizeof(udp_header) || length > size
|| (header->checksum != 0 // 0 => checksum disabled || (header->checksum != 0 // 0 => checksum disabled
&& _ChecksumData(data, length, sourceIP, destinationIP) != 0)) { && _ChecksumData(data, length, sourceIP, destinationIP) != 0)) {
@ -300,7 +303,7 @@ UDPService::HandleIPPacket(IPService *ipService, ip_addr_t sourceIP,
} }
// find the target socket // find the target socket
UDPSocket *socket = _FindSocket(destinationIP, header->destination); UDPSocket *socket = _FindSocket(destinationIP, destination);
if (!socket) if (!socket)
return; return;
@ -309,8 +312,8 @@ UDPService::HandleIPPacket(IPService *ipService, ip_addr_t sourceIP,
if (!packet) if (!packet)
return; return;
status_t error = packet->SetTo((uint8*)data + sizeof(udp_header), status_t error = packet->SetTo((uint8*)data + sizeof(udp_header),
length - sizeof(udp_header), sourceIP, header->source, destinationIP, length - sizeof(udp_header), sourceIP, source, destinationIP,
header->destination); destination);
if (error == B_OK) if (error == B_OK)
socket->PushPacket(packet); socket->PushPacket(packet);
else else