/*
 * Process Hacker Extra Plugins -
 *   Pool Table Plugin
 *
 * Copyright (C) 2016 dmex
 *
 * This file is part of Process Hacker.
 *
 * Process Hacker is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Process Hacker is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Process Hacker.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "main.h"

NTSTATUS EnumPoolTagTable(
    _Out_ PVOID* Buffer
    )
{
    NTSTATUS status;
    PVOID buffer;
    ULONG bufferSize;
    ULONG attempts;

    bufferSize = 0x100;
    buffer = PhAllocate(bufferSize);

    status = NtQuerySystemInformation(
        SystemPoolTagInformation,
        buffer,
        bufferSize,
        &bufferSize
        );
    attempts = 0;

    while (status == STATUS_INFO_LENGTH_MISMATCH && attempts < 8)
    {
        PhFree(buffer);
        buffer = PhAllocate(bufferSize);

        status = NtQuerySystemInformation(
            SystemPoolTagInformation,
            buffer,
            bufferSize,
            &bufferSize
            );
        attempts++;
    }

    if (NT_SUCCESS(status))
        *Buffer = buffer;
    else
        PhFree(buffer);

    return status;
}

NTSTATUS EnumBigPoolTable(
    _Out_ PVOID* Buffer
    )
{
    NTSTATUS status;
    PVOID buffer;
    ULONG bufferSize;
    ULONG attempts;

    bufferSize = 0x100;
    buffer = PhAllocate(bufferSize);

    status = NtQuerySystemInformation(
        SystemBigPoolInformation,
        buffer,
        bufferSize,
        &bufferSize
        );
    attempts = 0;

    while (status == STATUS_INFO_LENGTH_MISMATCH && attempts < 8)
    {
        PhFree(buffer);
        buffer = PhAllocate(bufferSize);

        status = NtQuerySystemInformation(
            SystemBigPoolInformation,
            buffer,
            bufferSize,
            &bufferSize
            );
        attempts++;
    }

    if (NT_SUCCESS(status))
        *Buffer = buffer;
    else
        PhFree(buffer);

    return status;
}