RpcHelpers.c

#include <Windows.h>
#include <strsafe.h>
#include <sddl.h>
#include <wtsapi32.h>
#include <stdint.h>
#include "IWinSpool_h.h"

////////
////////
// RPC helpers
////////

handle_t __RPC_USER STRING_HANDLE_bind(STRING_HANDLE lpStr) {
    RPC_STATUS RpcStatus;
    RPC_WSTR StringBinding;
    handle_t BindingHandle;

    if (RpcStringBindingComposeW((RPC_WSTR)L"12345678-1234-ABCD-EF00-0123456789AB", (RPC_WSTR)L"ncacn_np", (RPC_WSTR)lpStr, (RPC_WSTR)L"\\pipe\\spoolss", NULL, &StringBinding) != RPC_S_OK)
        return NULL;

    RpcStatus = RpcBindingFromStringBindingW(StringBinding, &BindingHandle);

    RpcStringFreeW(&StringBinding);

    if (RpcStatus != RPC_S_OK)
        return NULL;

    return BindingHandle;
}

void __RPC_USER STRING_HANDLE_unbind(STRING_HANDLE lpStr, handle_t BindingHandle) {
    RpcBindingFree(&BindingHandle);
}

void __RPC_FAR* __RPC_USER midl_user_allocate(size_t cBytes) {
    return((void __RPC_FAR*) malloc(cBytes));
}

void __RPC_USER midl_user_free(void __RPC_FAR* p) {
    free(p);
}