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Create a branch for header work.
svn path=/branches/header-work/; revision=45691
This commit is contained in:
Timo Kreuzer
parent
14fe274b1c
commit
9ea495ba33
19538 changed files with 0 additions and 1063950 deletions
177
lib/drivers/ip/network/routines.c
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177
lib/drivers/ip/network/routines.c
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/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS TCP/IP protocol driver
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* FILE: tcpip/routines.c
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* PURPOSE: Common routines
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* PROGRAMMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
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* REVISIONS:
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* CSH 01/08-2000 Created
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*/
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#include "precomp.h"
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static UINT RandomNumber = 0x12345678;
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UINT Random(
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VOID)
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/*
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* FUNCTION: Returns a pseudo random number
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* RETURNS:
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* Pseudo random number
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*/
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{
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RandomNumber ^= 0x78563412;
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return RandomNumber;
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}
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#if DBG
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static VOID DisplayIPHeader(
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PCHAR Header,
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UINT Length)
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{
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/* FIXME: IPv4 only */
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PIPv4_HEADER IPHeader = (PIPv4_HEADER)Header;
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DbgPrint("IPv4 header:\n");
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DbgPrint("VerIHL: 0x%x (version 0x%x, length %d 32-bit words)\n",
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IPHeader->VerIHL, (IPHeader->VerIHL & 0xF0) >> 4, IPHeader->VerIHL & 0x0F);
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DbgPrint(" Tos: %d\n", IPHeader->Tos);
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DbgPrint(" TotalLength: %d\n", WN2H(IPHeader->TotalLength));
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DbgPrint(" Id: %d\n", WN2H(IPHeader->Id));
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DbgPrint(" FlagsFragOfs: 0x%x (offset 0x%x)\n", WN2H(IPHeader->FlagsFragOfs), WN2H(IPHeader->FlagsFragOfs) & IPv4_FRAGOFS_MASK);
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if ((WN2H(IPHeader->FlagsFragOfs) & IPv4_DF_MASK) > 0) DbgPrint(" IPv4_DF - Don't fragment\n");
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if ((WN2H(IPHeader->FlagsFragOfs) & IPv4_MF_MASK) > 0) DbgPrint(" IPv4_MF - More fragments\n");
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DbgPrint(" Ttl: %d\n", IPHeader->Ttl);
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DbgPrint(" Protocol: %d\n", IPHeader->Protocol);
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DbgPrint(" Checksum: 0x%x\n", WN2H(IPHeader->Checksum));
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DbgPrint(" SrcAddr: %d.%d.%d.%d\n",
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((IPHeader->SrcAddr >> 0) & 0xFF), ((IPHeader->SrcAddr >> 8) & 0xFF),
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((IPHeader->SrcAddr >> 16) & 0xFF), ((IPHeader->SrcAddr >> 24) & 0xFF));
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DbgPrint(" DstAddr: %d.%d.%d.%d\n",
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((IPHeader->DstAddr >> 0) & 0xFF), ((IPHeader->DstAddr >> 8) & 0xFF),
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((IPHeader->DstAddr >> 16) & 0xFF), ((IPHeader->DstAddr >> 24) & 0xFF));
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}
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static VOID DisplayTCPHeader(
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PCHAR Header,
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UINT Length)
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{
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/* FIXME: IPv4 only */
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PIPv4_HEADER IPHeader = (PIPv4_HEADER)Header;
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PTCPv4_HEADER TCPHeader;
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if (IPHeader->Protocol != IPPROTO_TCP) {
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DbgPrint("This is not a TCP datagram. Protocol is %d\n", IPHeader->Protocol);
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return;
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}
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TCPHeader = (PTCPv4_HEADER)((PCHAR)IPHeader + (IPHeader->VerIHL & 0x0F) * 4);
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DbgPrint("TCP header:\n");
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DbgPrint(" SourcePort: %d\n", WN2H(TCPHeader->SourcePort));
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DbgPrint(" DestinationPort: %d\n", WN2H(TCPHeader->DestinationPort));
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DbgPrint(" SequenceNumber: 0x%x\n", DN2H(TCPHeader->SequenceNumber));
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DbgPrint(" AckNumber: 0x%x\n", DN2H(TCPHeader->AckNumber));
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DbgPrint(" DataOffset: 0x%x (0x%x) 32-bit words\n", TCPHeader->DataOffset, TCPHeader->DataOffset >> 4);
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DbgPrint(" Flags: 0x%x (0x%x)\n", TCPHeader->Flags, TCPHeader->Flags & 0x3F);
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if ((TCPHeader->Flags & TCP_URG) > 0) DbgPrint(" TCP_URG - Urgent Pointer field significant\n");
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if ((TCPHeader->Flags & TCP_ACK) > 0) DbgPrint(" TCP_ACK - Acknowledgement field significant\n");
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if ((TCPHeader->Flags & TCP_PSH) > 0) DbgPrint(" TCP_PSH - Push Function\n");
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if ((TCPHeader->Flags & TCP_RST) > 0) DbgPrint(" TCP_RST - Reset the connection\n");
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if ((TCPHeader->Flags & TCP_SYN) > 0) DbgPrint(" TCP_SYN - Synchronize sequence numbers\n");
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if ((TCPHeader->Flags & TCP_FIN) > 0) DbgPrint(" TCP_FIN - No more data from sender\n");
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DbgPrint(" Window: 0x%x\n", WN2H(TCPHeader->Window));
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DbgPrint(" Checksum: 0x%x\n", WN2H(TCPHeader->Checksum));
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DbgPrint(" Urgent: 0x%x\n", WN2H(TCPHeader->Urgent));
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}
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VOID DisplayTCPPacket(
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PIP_PACKET IPPacket)
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{
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UINT Length;
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PCHAR Buffer;
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if ((DbgQueryDebugFilterState(DPFLTR_TCPIP_ID, DEBUG_PBUFFER | DPFLTR_MASK) != TRUE) ||
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(DbgQueryDebugFilterState(DPFLTR_TCPIP_ID, DEBUG_TCP | DPFLTR_MASK) != TRUE)) {
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return;
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}
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if (!IPPacket) {
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TI_DbgPrint(MIN_TRACE, ("Cannot display null packet.\n"));
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return;
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}
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DisplayIPPacket(IPPacket);
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TI_DbgPrint(MIN_TRACE, ("IPPacket is at (0x%X).\n", IPPacket));
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TI_DbgPrint(MIN_TRACE, ("Header buffer is at (0x%X).\n", IPPacket->Header));
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TI_DbgPrint(MIN_TRACE, ("Header size is (%d).\n", IPPacket->HeaderSize));
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TI_DbgPrint(MIN_TRACE, ("TotalSize (%d).\n", IPPacket->TotalSize));
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TI_DbgPrint(MIN_TRACE, ("ContigSize (%d).\n", IPPacket->ContigSize));
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TI_DbgPrint(MIN_TRACE, ("NdisPacket (0x%X).\n", IPPacket->NdisPacket));
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if (IPPacket->NdisPacket) {
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NdisQueryPacket(IPPacket->NdisPacket, NULL, NULL, NULL, &Length);
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Buffer = ExAllocatePool(NonPagedPool, Length);
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if (Buffer) {
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Length = CopyPacketToBuffer(Buffer, IPPacket->NdisPacket, 0, Length);
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DisplayTCPHeader(Buffer, Length);
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ExFreePool(Buffer);
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}
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} else {
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Buffer = IPPacket->Header;
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Length = IPPacket->ContigSize;
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DisplayTCPHeader(Buffer, Length);
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}
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}
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#endif
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VOID DisplayIPPacket(
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PIP_PACKET IPPacket)
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{
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#if DBG
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PCHAR p;
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UINT Length;
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PNDIS_BUFFER Buffer;
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PNDIS_BUFFER NextBuffer;
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PCHAR CharBuffer;
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if ((DbgQueryDebugFilterState(DPFLTR_TCPIP_ID, DEBUG_PBUFFER | DPFLTR_MASK) != TRUE) ||
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(DbgQueryDebugFilterState(DPFLTR_TCPIP_ID, DEBUG_IP | DPFLTR_MASK) != TRUE)) {
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return;
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}
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if (!IPPacket) {
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TI_DbgPrint(MIN_TRACE, ("Cannot display null packet.\n"));
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return;
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}
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TI_DbgPrint(MIN_TRACE, ("IPPacket is at (0x%X).\n", IPPacket));
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TI_DbgPrint(MIN_TRACE, ("Header buffer is at (0x%X).\n", IPPacket->Header));
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TI_DbgPrint(MIN_TRACE, ("Header size is (%d).\n", IPPacket->HeaderSize));
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TI_DbgPrint(MIN_TRACE, ("TotalSize (%d).\n", IPPacket->TotalSize));
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TI_DbgPrint(MIN_TRACE, ("ContigSize (%d).\n", IPPacket->ContigSize));
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TI_DbgPrint(MIN_TRACE, ("NdisPacket (0x%X).\n", IPPacket->NdisPacket));
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if (IPPacket->NdisPacket) {
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NdisQueryPacket(IPPacket->NdisPacket, NULL, NULL, &Buffer, NULL);
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for (; Buffer != NULL; Buffer = NextBuffer) {
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NdisGetNextBuffer(Buffer, &NextBuffer);
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NdisQueryBuffer(Buffer, (PVOID)&p, &Length);
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//OskitDumpBuffer( p, Length );
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}
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} else {
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p = IPPacket->Header;
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Length = IPPacket->ContigSize;
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//OskitDumpBuffer( p, Length );
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}
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CharBuffer = IPPacket->Header;
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Length = IPPacket->ContigSize;
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DisplayIPHeader(CharBuffer, Length);
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#endif
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}
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