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#include <ksocket/berkeley.h>
#include <ksocket/helper.hpp>
#include <ksocket/ksocket.h>
#include <ksocket/utils.h>
#include <ksocket/wsk.h>
#include "examples/common.hpp"
#include "examples/example.pb-c.h"
extern "C" {
DRIVER_INITIALIZE DriverEntry;
DRIVER_UNLOAD DriverUnload;
#define DebuggerPrint(...) \
DbgPrintEx(DPFLTR_IHVDRIVER_ID, DPFLTR_ERROR_LEVEL, __VA_ARGS__);
NTSTATUS
NTAPI
DriverEntry(_In_ PDRIVER_OBJECT DriverObject,
_In_ PUNICODE_STRING RegistryPath) {
UNREFERENCED_PARAMETER(DriverObject);
UNREFERENCED_PARAMETER(RegistryPath);
NTSTATUS Status;
DebuggerPrint("Hi.\n");
Status = KsInitialize();
if (!NT_SUCCESS(Status)) {
return Status;
}
int server_sockfd = socket_listen(AF_INET, SOCK_STREAM, 0);
struct sockaddr_in addr;
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = INADDR_ANY;
addr.sin_port = htons(9095);
int result = bind(server_sockfd, (struct sockaddr *)&addr, sizeof(addr));
if (result != 0) {
DebuggerPrint("TCP server bind failed\n");
return STATUS_FAILED_DRIVER_ENTRY;
}
result = listen(server_sockfd, 1);
if (result != 0) {
DebuggerPrint("TCP server listen failed\n");
return STATUS_FAILED_DRIVER_ENTRY;
}
socklen_t addrlen = sizeof(addr);
int client_sockfd = accept(server_sockfd, (struct sockaddr *)&addr, &addrlen);
if (client_sockfd < 0) {
DebuggerPrint("TCP accept failed\n");
return STATUS_FAILED_DRIVER_ENTRY;
}
int iResult;
SocketBuffer<1024> sb_send, sb_recv;
do {
bool ok = false;
RECV_PDU_BEGIN(client_sockfd, sb_recv, iResult, pdu_type, pdu_len) {
DebuggerPrint("PDU type/len: %u/%u\n", pdu_type, pdu_len);
switch ((enum PduTypes)pdu_type) {
case PDU_SOMETHING_WITH_UINTS: {
SomethingWithUINTsDeserializer swud;
if ((ok = swud.Deserialize(pdu_len, sb_recv.GetStart())) == true) {
SomethingWithUINTsSerializer swus;
if (swud.swu->has_id == TRUE) {
DebuggerPrint("Id: 0x%X\n", swud.swu->id);
swus.SetId(swud.swu->id + 1);
}
ok = sb_send.AddPdu(swus);
}
break;
}
case PDU_SOMETHING_MORE: {
SomethingMoreDeserializer smd;
if ((ok = smd.Deserialize(pdu_len, sb_recv.GetStart())) == true) {
SomethingMoreSerializer sms;
if (smd.sm->has_error_code == TRUE) {
DebuggerPrint("Error Code: %u\n", smd.sm->error_code);
}
if (smd.sm->uints->has_id == TRUE) {
DebuggerPrint("Id: 0x%X\n", smd.sm->uints->id);
sms.SetId(smd.sm->uints->id + 1);
}
sms.SetErrorCode(SOMETHING_MORE__ERRORS__SUCCESS);
sms.SetIpAddress(0xCCCCCCCC);
sms.SetPortNum(0xDDDDDDDD);
ok = sb_send.AddPdu(sms);
}
break;
}
case PDU_EVEN_MORE: {
EvenMoreDeserializer emd;
if ((ok = emd.Deserialize(pdu_len, sb_recv.GetStart())) == true) {
DebuggerPrint("EnumValue: %d\n", emd.em->enum_value);
if (emd.em->s != NULL) {
DebuggerPrint("String: '%s'\n", emd.em->s);
}
EvenMoreSerializer ems;
SomethingWithUINTsSerializer swus;
swus.SetId(0xDEADDEAD);
ems.SetS("Hi userspace!");
ems.AddUints(&swus);
ok = sb_send.AddPdu(ems);
}
break;
}
}
}
RECV_PDU_END(sb_recv, pdu_len);
if (ok == true) {
SEND_ALL(client_sockfd, sb_send, iResult);
if (iResult == SOCKET_ERROR || iResult == 0) {
DebuggerPrint("send failed\n");
break;
}
} else {
DebuggerPrint("Serialization/Deserialization failed\n");
break;
}
} while (iResult != SOCKET_ERROR && iResult > 0);
DebuggerPrint("Client gone.\n") closesocket(client_sockfd);
closesocket(server_sockfd);
KsDestroy();
return STATUS_SUCCESS;
}
VOID DriverUnload(_In_ struct _DRIVER_OBJECT *DriverObject) {
UNREFERENCED_PARAMETER(DriverObject);
DebuggerPrint("Bye.\n");
}
}
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