Textractor/gui/command.cpp
mireado af3c8149d5 starting commit
english version
2015-04-02 23:27:35 +09:00

215 lines
5.6 KiB
C++

/* Copyright (C) 2010-2012 kaosu (qiupf2000@gmail.com)
* This file is part of the Interactive Text Hooker.
* Interactive Text Hooker 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.
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ITH.h"
#include "ith/host/srv.h"
#include "ith/common/const.h"
#include "ith/common/types.h"
#include "language.h"
#include "utility.h"
extern HookManager* man;
extern HWND hwndProcessComboBox;
bool Parse(const std::wstring& cmd, HookParam& hp)
{
using std::wregex;
using std::regex_search;
// /H[X]{A|B|W|S|Q}[N][data_offset[*drdo]][:sub_offset[*drso]]@addr[:[module[:{name|#ordinal}]]]
wregex rx(L"^X?([ABWSQ])(N)?", wregex::icase);
std::match_results<std::wstring::const_iterator> m;
auto start = cmd.begin();
auto end = cmd.end();
bool result = regex_search(start, end, m, rx);
if (!result)
return result;
start = m[0].second;
if (m[2].matched)
hp.type |= NO_CONTEXT;
switch (m[1].first[0])
{
case L's':
case L'S':
hp.type |= USING_STRING;
break;
case L'e':
case L'E':
hp.type |= STRING_LAST_CHAR;
case L'a':
case L'A':
hp.type |= BIG_ENDIAN;
hp.length_offset = 1;
break;
case L'b':
case L'B':
hp.length_offset = 1;
break;
case L'h':
case L'H':
hp.type |= PRINT_DWORD;
case L'q':
case L'Q':
hp.type |= USING_STRING | USING_UNICODE;
break;
case L'l':
case L'L':
hp.type |= STRING_LAST_CHAR;
case L'w':
case L'W':
hp.type |= USING_UNICODE;
hp.length_offset = 1;
break;
default:
break;
}
// [data_offset[*drdo]]
std::wstring data_offset(L"(-?[[:xdigit:]]+)"), drdo(L"(\\*-?[[:xdigit:]]+)?");
rx = wregex(L"^"+ data_offset + drdo, wregex::icase);
result = regex_search(start, end, m, rx);
if (result)
{
start = m[0].second;
hp.off = std::stoul(m[1].str(), NULL, 16);
if (m[2].matched)
{
hp.type |= DATA_INDIRECT;
hp.ind = std::stoul(m[2].str().substr(1), NULL, 16);
}
}
// [:sub_offset[*drso]]
std::wstring sub_offset(L"(-?[[:xdigit:]]+)"), drso(L"(\\*-?[[:xdigit:]]+)?");
rx = wregex(L"^:" + sub_offset + drso, wregex::icase);
result = regex_search(start, end, m, rx);
if (result)
{
start = m[0].second;
hp.type |= USING_SPLIT;
hp.split = std::stoul(m[1].str(), NULL, 16);
if (m[2].matched)
{
hp.type |= SPLIT_INDIRECT;
hp.split_ind = std::stoul(m[2].str().substr(1), NULL, 16);
}
}
// @addr
rx = wregex(L"^@[[:xdigit:]]+", wregex::icase);
result = regex_search(start, end, m, rx);
if (!result)
return false;
start = m[0].second;
hp.addr = std::stoul(m[0].str().substr(1), NULL, 16);
if (hp.off & 0x80000000)
hp.off -= 4;
if (hp.split & 0x80000000)
hp.split -= 4;
// [:[module[:{name|#ordinal}]]]
// ":" ->
// "" -> MODULE_OFFSET && module == NULL && function == addr
// ":GDI.dll" -> MODULE_OFFSET && module != NULL
// ":GDI.dll:strlen" -> MODULE_OFFSET | FUNCTION_OFFSET && module != NULL && function != NULL
// ":GDI.dll:#123" -> MODULE_OFFSET | FUNCTION_OFFSET && module != NULL && function != NULL
std::wstring module(L"([[:graph:]]+)"), name(L"[[:graph:]]+"), ordinal(L"\\d+");
rx = wregex(L"^:(" + module + L"(:" + name + L"|#" + ordinal + L")?)?$", wregex::icase);
result = regex_search(start, end, m, rx);
if (result) // :[module[:{name|#ordinal}]]
{
if (m[1].matched) // module
{
hp.type |= MODULE_OFFSET;
std::wstring module = m[2];
std::transform(module.begin(), module.end(), module.begin(), ::towlower);
hp.module = Hash(module);
if (m[3].matched) // :name|#ordinal
{
hp.type |= FUNCTION_OFFSET;
hp.function = Hash(m[3].str().substr(1));
}
}
}
else
{
rx = wregex(L"^!([[:xdigit:]]+)(!([[:xdigit:]]+))?$", wregex::icase);
result = regex_search(start, end, m, rx);
if (result)
{
hp.type |= MODULE_OFFSET;
hp.module = std::stoul(m[1].str(), NULL, 16);
if (m[2].matched)
{
hp.type |= FUNCTION_OFFSET;
hp.function = std::stoul(m[2].str().substr(1), NULL, 16);
}
}
else
{
hp.type |= MODULE_OFFSET;
hp.function = hp.addr;
}
}
return true;
}
DWORD ProcessCommand(const std::wstring& cmd, DWORD pid)
{
using std::wregex;
using std::regex_match;
std::match_results<std::wstring::const_iterator> m;
if (regex_match(cmd, m, wregex(L"/pn(.+)", wregex::icase)))
{
pid = IHF_GetPIDByName(m[1].str().c_str());
if (pid == 0)
return 0;
IHF_InjectByPID(pid);
}
else if (regex_match(cmd, m, wregex(L"/p(\\d+)", wregex::icase)))
{
pid = std::stoul(m[1].str());
IHF_InjectByPID(pid);
}
else if (regex_match(cmd, m, wregex (L"/h(.+)", wregex::icase)))
{
HookParam hp = {};
if (Parse(m[1].str(), hp))
IHF_InsertHook(pid, &hp);
}
else if (regex_match(cmd, m, wregex(L":l([[:xdigit:]]+)-([[:xdigit:]]+)", wregex::icase)))
{
DWORD from = std::stoul(m[1].str(), NULL, 16);
DWORD to = std::stoul(m[2].str(), NULL, 16);
IHF_AddLink(from, to);
}
else if (regex_match(cmd, m, wregex(L":u([[:xdigit:]]+)", wregex::icase)))
{
DWORD from = std::stoul(m[1].str(), NULL, 16);
IHF_UnLink(from);
}
else if (regex_match(cmd, m, wregex(L":(?:h|help)", wregex::icase)))
{
ConsoleOutput(Usage);
}
else
{
ConsoleOutput(L"Unknown command. Type :h or :help for help.");
}
return 0;
}