mirror of
https://github.com/mirror/processhacker
synced 2026-06-08 16:03:24 +00:00
wj32
e19d664c27
git-svn-id: svn://svn.code.sf.net/p/processhacker/code@512 21ef857c-d57f-4fe0-8362-d861dc6d29cd
128 lines
4.5 KiB
C#
128 lines
4.5 KiB
C#
/*
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* Process Hacker -
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* string searcher
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*
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* Copyright (C) 2008-2009 wj32
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*
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* This file is part of Process Hacker.
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*
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* Process Hacker is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Process Hacker is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Process Hacker. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace ProcessHacker
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{
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public class StringSearcher : Searcher
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{
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public StringSearcher(int PID) : base(PID) { }
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public override void Search()
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{
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Results.Clear();
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byte[] text = (byte[])Params["text"];
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int handle = 0;
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int address = 0;
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Win32.MEMORY_BASIC_INFORMATION info = new Win32.MEMORY_BASIC_INFORMATION();
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int count = 0;
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int minsize = (int)BaseConverter.ToNumberParse((string)Params["s_ms"]);
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bool opt_priv = (bool)Params["private"];
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bool opt_img = (bool)Params["image"];
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bool opt_map = (bool)Params["mapped"];
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handle = Win32.OpenProcess(Win32.PROCESS_RIGHTS.PROCESS_VM_READ |
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Win32.PROCESS_RIGHTS.PROCESS_QUERY_INFORMATION, 0, PID);
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if (handle == 0)
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{
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CallSearchError("Could not open process: " + Win32.GetLastErrorMessage());
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return;
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}
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while (true)
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{
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if (!Win32.VirtualQueryEx(handle, address, ref info,
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Marshal.SizeOf(typeof(Win32.MEMORY_BASIC_INFORMATION))))
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{
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break;
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}
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else
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{
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address += info.RegionSize;
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// skip unreadable areas
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if (info.Protect == Win32.MEMORY_PROTECTION.PAGE_ACCESS_DENIED)
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continue;
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if (info.State != Win32.MEMORY_STATE.MEM_COMMIT)
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continue;
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if ((!opt_priv) && (info.Type == Win32.MEMORY_TYPE.MEM_PRIVATE))
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continue;
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if ((!opt_img) && (info.Type == Win32.MEMORY_TYPE.MEM_IMAGE))
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continue;
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if ((!opt_map) && (info.Type == Win32.MEMORY_TYPE.MEM_MAPPED))
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continue;
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byte[] data = new byte[info.RegionSize];
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int bytesRead = 0;
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CallSearchProgressChanged(
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String.Format("Searching 0x{0:x8} ({1} found)...", info.BaseAddress, count));
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Win32.ReadProcessMemory(handle, info.BaseAddress, data, info.RegionSize, out bytesRead);
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if (bytesRead == 0)
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continue;
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StringBuilder curstr = new StringBuilder();
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for (int i = 0; i < bytesRead; i++)
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{
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if ((data[i] >= ' ' && data[i] <= '~') || data[i] == '\n' || data[i] == '\r' ||
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data[i] == '\t')
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{
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curstr.Append(UnicodeEncoding.ASCII.GetChars(data, i, 1)[0]);
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}
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else
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{
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if (curstr.Length >= minsize)
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{
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Results.Add(new string[] { String.Format("0x{0:x8}", info.BaseAddress),
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String.Format("0x{0:x8}", i - curstr.Length), curstr.Length.ToString(), curstr.ToString() });
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count++;
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}
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curstr = new StringBuilder();
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}
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}
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data = null;
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}
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}
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Win32.CloseHandle(handle);
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CallSearchFinished();
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}
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}
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}
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