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Get rid of NormalProcess::Private on windows.

develop
Tom Prince 2011-02-23 15:27:15 -05:00
parent 63ab8672d3
commit aac3056b12
2 changed files with 170 additions and 217 deletions
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268
library/DFProcess-windows.cpp
Unescape Escape View File

@ -29,26 +29,11 @@ distribution.
#include <string.h>
using namespace DFHack;
Process* DFHack::createNormalProcess(uint32_t pid, vector <VersionInfo *> & known_versions)
namespace
{
return new NormalProcess(pid, known_versions);
}
class NormalProcess::Private
class NormalProcess : public Process
{
public:
Private()
{
my_descriptor = NULL;
my_handle = NULL;
my_main_thread = NULL;
my_pid = 0;
attached = false;
suspended = false;
base = 0;
sections = 0;
};
~Private(){};
private:
VersionInfo * my_descriptor;
HANDLE my_handle;
HANDLE my_main_thread;
@ -63,50 +48,112 @@ class NormalProcess::Private
IMAGE_NT_HEADERS pe_header;
IMAGE_SECTION_HEADER * sections;
uint32_t base;
public:
NormalProcess(uint32_t pid, std::vector <VersionInfo *> & known_versions);
~NormalProcess();
bool attach();
bool detach();
bool suspend();
bool asyncSuspend();
bool resume();
bool forceresume();
void readQuad(const uint32_t address, uint64_t & value);
void writeQuad(const uint32_t address, const uint64_t value);
void readDWord(const uint32_t address, uint32_t & value);
void writeDWord(const uint32_t address, const uint32_t value);
void readFloat(const uint32_t address, float & value);
void readWord(const uint32_t address, uint16_t & value);
void writeWord(const uint32_t address, const uint16_t value);
void readByte(const uint32_t address, uint8_t & value);
void writeByte(const uint32_t address, const uint8_t value);
void read( uint32_t address, uint32_t length, uint8_t* buffer);
void write(uint32_t address, uint32_t length, uint8_t* buffer);
const std::string readSTLString (uint32_t offset);
size_t readSTLString (uint32_t offset, char * buffer, size_t bufcapacity);
void writeSTLString(const uint32_t address, const std::string writeString){};
// get class name of an object with rtti/type info
std::string readClassName(uint32_t vptr);
const std::string readCString (uint32_t offset);
bool isSuspended();
bool isAttached();
bool isIdentified();
bool getThreadIDs(std::vector<uint32_t> & threads );
void getMemRanges(std::vector<t_memrange> & ranges );
VersionInfo *getDescriptor();
int getPID();
std::string getPath();
// get module index by name and version. bool 1 = error
bool getModuleIndex (const char * name, const uint32_t version, uint32_t & OUTPUT) { OUTPUT=0; return false;};
// get the SHM start if available
char * getSHMStart (void){return 0;};
// set a SHM command and wait for a response
bool SetAndWait (uint32_t state){return false;};
};
}
Process* DFHack::createNormalProcess(uint32_t pid, vector <VersionInfo *> & known_versions)
{
return new NormalProcess(pid, known_versions);
}
NormalProcess::NormalProcess(uint32_t pid, vector <VersionInfo *> & known_versions)
: d(new Private())
: my_pid(pid)
{
my_descriptor = NULL;
my_main_thread = NULL;
attached = false;
suspended = false;
base = 0;
sections = 0;
HMODULE hmod = NULL;
DWORD needed;
HANDLE hProcess;
bool found = false;
d->identified = false;
identified = false;
// open process
hProcess = OpenProcess( PROCESS_ALL_ACCESS, FALSE, pid );
if (NULL == hProcess)
my_handle = OpenProcess( PROCESS_ALL_ACCESS, FALSE, my_pid );
if (NULL == my_handle)
return;
// try getting the first module of the process
if(EnumProcessModules(hProcess, &hmod, sizeof(hmod), &needed) == 0)
if(EnumProcessModules(my_handle, &hmod, sizeof(hmod), &needed) == 0)
{
CloseHandle(hProcess);
CloseHandle(my_handle);
// cout << "EnumProcessModules fail'd" << endl;
return; //if enumprocessModules fails, give up
}
// got base ;)
d->base = (uint32_t)hmod;
base = (uint32_t)hmod;
// temporarily assign this to allow some checks
d->my_handle = hProcess;
d->my_main_thread = 0;
my_main_thread = 0;
// read from this process
try
{
uint32_t pe_offset = Process::readDWord(d->base+0x3C);
read(d->base + pe_offset , sizeof(d->pe_header), (uint8_t *)&d->pe_header);
const size_t sectionsSize = sizeof(IMAGE_SECTION_HEADER) * d->pe_header.FileHeader.NumberOfSections;
d->sections = (IMAGE_SECTION_HEADER *) malloc(sectionsSize);
read(d->base + pe_offset + sizeof(d->pe_header), sectionsSize, (uint8_t *)d->sections);
d->my_handle = 0;
uint32_t pe_offset = Process::readDWord(base+0x3C);
read(base + pe_offset , sizeof(pe_header), (uint8_t *)&pe_header);
const size_t sectionsSize = sizeof(IMAGE_SECTION_HEADER) * pe_header.FileHeader.NumberOfSections;
sections = (IMAGE_SECTION_HEADER *) malloc(sectionsSize);
read(base + pe_offset + sizeof(pe_header), sectionsSize, (uint8_t *)sections);
my_handle = 0;
}
catch (exception &)
{
CloseHandle(hProcess);
d->my_handle = 0;
CloseHandle(my_handle);
my_handle = 0;
return;
}
@ -127,32 +174,30 @@ NormalProcess::NormalProcess(uint32_t pid, vector <VersionInfo *> & known_versio
{
continue;
}
if (pe_timestamp != d->pe_header.FileHeader.TimeDateStamp)
if (pe_timestamp != pe_header.FileHeader.TimeDateStamp)
continue;
// all went well
{
printf("Match found! Using version %s.\n", (*it)->getVersion().c_str());
d->identified = true;
identified = true;
// give the process a data model and memory layout fixed for the base of first module
VersionInfo *m = new VersionInfo(**it);
m->RebaseAll(d->base);
my_descriptor = new VersionInfo(**it);
my_descriptor->RebaseAll(base);
// keep track of created memory_info object so we can destroy it later
d->my_descriptor = m;
m->setParentProcess(this);
my_descriptor->setParentProcess(this);
// process is responsible for destroying its data model
d->my_pid = pid;
d->my_handle = hProcess;
d->identified = true;
my_handle = my_handle;
identified = true;
// TODO: detect errors in thread enumeration
vector<uint32_t> threads;
getThreadIDs( threads );
d->my_main_thread = OpenThread(THREAD_ALL_ACCESS, FALSE, (DWORD) threads[0]);
OffsetGroup * strGrp = m->getGroup("string")->getGroup("MSVC");
d->STLSTR_buf_off = strGrp->getOffset("buffer");
d->STLSTR_size_off = strGrp->getOffset("size");
d->STLSTR_cap_off = strGrp->getOffset("capacity");
my_main_thread = OpenThread(THREAD_ALL_ACCESS, FALSE, (DWORD) threads[0]);
OffsetGroup * strGrp = my_descriptor->getGroup("string")->getGroup("MSVC");
STLSTR_buf_off = strGrp->getOffset("buffer");
STLSTR_size_off = strGrp->getOffset("size");
STLSTR_cap_off = strGrp->getOffset("capacity");
found = true;
break; // break the iterator loop
}
@ -160,7 +205,7 @@ NormalProcess::NormalProcess(uint32_t pid, vector <VersionInfo *> & known_versio
// close handle of processes that aren't DF
if(!found)
{
CloseHandle(hProcess);
CloseHandle(my_handle);
}
}
/*
@ -168,47 +213,47 @@ NormalProcess::NormalProcess(uint32_t pid, vector <VersionInfo *> & known_versio
NormalProcess::~NormalProcess()
{
if(d->attached)
if(attached)
{
detach();
}
// destroy our rebased copy of the memory descriptor
delete d->my_descriptor;
if(d->my_handle != NULL)
delete my_descriptor;
if(my_handle != NULL)
{
CloseHandle(d->my_handle);
CloseHandle(my_handle);
}
if(d->my_main_thread != NULL)
if(my_main_thread != NULL)
{
CloseHandle(d->my_main_thread);
CloseHandle(my_main_thread);
}
if(d->sections != NULL)
free(d->sections);
if(sections != NULL)
free(sections);
delete d;
}
VersionInfo * NormalProcess::getDescriptor()
{
return d->my_descriptor;
return my_descriptor;
}
int NormalProcess::getPID()
{
return d->my_pid;
return my_pid;
}
bool NormalProcess::isSuspended()
{
return d->suspended;
return suspended;
}
bool NormalProcess::isAttached()
{
return d->attached;
return attached;
}
bool NormalProcess::isIdentified()
{
return d->identified;
return identified;
}
bool NormalProcess::asyncSuspend()
@ -218,49 +263,49 @@ bool NormalProcess::asyncSuspend()
bool NormalProcess::suspend()
{
if(!d->attached)
if(!attached)
return false;
if(d->suspended)
if(suspended)
{
return true;
}
SuspendThread(d->my_main_thread);
d->suspended = true;
SuspendThread(my_main_thread);
suspended = true;
return true;
}
bool NormalProcess::forceresume()
{
if(!d->attached)
if(!attached)
return false;
while (ResumeThread(d->my_main_thread) > 1);
d->suspended = false;
while (ResumeThread(my_main_thread) > 1);
suspended = false;
return true;
}
bool NormalProcess::resume()
{
if(!d->attached)
if(!attached)
return false;
if(!d->suspended)
if(!suspended)
{
return true;
}
ResumeThread(d->my_main_thread);
d->suspended = false;
ResumeThread(my_main_thread);
suspended = false;
return true;
}
bool NormalProcess::attach()
{
if(d->attached)
if(attached)
{
if(!d->suspended)
if(!suspended)
return suspend();
return true;
}
d->attached = true;
attached = true;
suspend();
return true;
@ -269,9 +314,9 @@ bool NormalProcess::attach()
bool NormalProcess::detach()
{
if(!d->attached) return true;
if(!attached) return true;
resume();
d->attached = false;
attached = false;
return true;
}
@ -295,7 +340,7 @@ bool NormalProcess::getThreadIDs(vector<uint32_t> & threads )
do
{
if( te32.th32OwnerProcessID == d->my_pid )
if( te32.th32OwnerProcessID == my_pid )
{
threads.push_back(te32.th32ThreadID);
}
@ -356,9 +401,9 @@ void NormalProcess::getMemRanges( vector<t_memrange> & ranges )
GetSystemInfo(&si);
uint64_t PageSize = si.dwPageSize;
// enumerate heaps
HeapNodes(d->my_pid, heaps);
HeapNodes(my_pid, heaps);
// go through all the VM regions, convert them to our internal format
while (VirtualQueryEx(this->d->my_handle, (const void*) (movingStart), &MBI, sizeof(MBI)) == sizeof(MBI))
while (VirtualQueryEx(this->my_handle, (const void*) (movingStart), &MBI, sizeof(MBI)) == sizeof(MBI))
{
movingStart = ((uint64_t)MBI.BaseAddress + MBI.RegionSize);
if(movingStart % PageSize != 0)
@ -373,7 +418,7 @@ void NormalProcess::getMemRanges( vector<t_memrange> & ranges )
temp.write = MBI.Protect & PAGE_EXECUTE_READWRITE || MBI.Protect & PAGE_READWRITE;
temp.execute = MBI.Protect & PAGE_EXECUTE_READ || MBI.Protect & PAGE_EXECUTE_READWRITE || MBI.Protect & PAGE_EXECUTE;
temp.valid = true;
if(!GetModuleBaseName(this->d->my_handle, (HMODULE) temp.start, temp.name, 1024))
if(!GetModuleBaseName(this->my_handle, (HMODULE) temp.start, temp.name, 1024))
{
if(nameMap.count(temp.start))
{
@ -402,18 +447,18 @@ void NormalProcess::getMemRanges( vector<t_memrange> & ranges )
else
{
// this is our executable! (could be generalized to pull segments from libs, but whatever)
if(d->base == temp.start)
if(base == temp.start)
{
for(int i = 0; i < d->pe_header.FileHeader.NumberOfSections; i++)
for(int i = 0; i < pe_header.FileHeader.NumberOfSections; i++)
{
char sectionName[9];
memcpy(sectionName,d->sections[i].Name,8);
memcpy(sectionName,sections[i].Name,8);
sectionName[8] = 0;
string nm;
nm.append(temp.name);
nm.append(" : ");
nm.append(sectionName);
nameMap[temp.start + d->sections[i].VirtualAddress] = nm;
nameMap[temp.start + sections[i].VirtualAddress] = nm;
}
}
else
@ -425,81 +470,79 @@ void NormalProcess::getMemRanges( vector<t_memrange> & ranges )
void NormalProcess::readByte (const uint32_t offset,uint8_t &result)
{
if(!ReadProcessMemory(d->my_handle, (int*) offset, &result, sizeof(uint8_t), NULL))
if(!ReadProcessMemory(my_handle, (int*) offset, &result, sizeof(uint8_t), NULL))
throw Error::MemoryAccessDenied();
}
void NormalProcess::readWord (const uint32_t offset, uint16_t &result)
{
if(!ReadProcessMemory(d->my_handle, (int*) offset, &result, sizeof(uint16_t), NULL))
if(!ReadProcessMemory(my_handle, (int*) offset, &result, sizeof(uint16_t), NULL))
throw Error::MemoryAccessDenied();
}
void NormalProcess::readDWord (const uint32_t offset, uint32_t &result)
{
if(!ReadProcessMemory(d->my_handle, (int*) offset, &result, sizeof(uint32_t), NULL))
if(!ReadProcessMemory(my_handle, (int*) offset, &result, sizeof(uint32_t), NULL))
throw Error::MemoryAccessDenied();
}
void NormalProcess::readQuad (const uint32_t offset, uint64_t &result)
{
if(!ReadProcessMemory(d->my_handle, (int*) offset, &result, sizeof(uint64_t), NULL))
if(!ReadProcessMemory(my_handle, (int*) offset, &result, sizeof(uint64_t), NULL))
throw Error::MemoryAccessDenied();
}
void NormalProcess::readFloat (const uint32_t offset, float &result)
{
if(!ReadProcessMemory(d->my_handle, (int*) offset, &result, sizeof(float), NULL))
if(!ReadProcessMemory(my_handle, (int*) offset, &result, sizeof(float), NULL))
throw Error::MemoryAccessDenied();
}
void NormalProcess::read (const uint32_t offset, uint32_t size, uint8_t *target)
{
if(!ReadProcessMemory(d->my_handle, (int*) offset, target, size, NULL))
if(!ReadProcessMemory(my_handle, (int*) offset, target, size, NULL))
throw Error::MemoryAccessDenied();
}
// WRITING
void NormalProcess::writeQuad (const uint32_t offset, uint64_t data)
{
if(!WriteProcessMemory(d->my_handle, (int*) offset, &data, sizeof(data), NULL))
if(!WriteProcessMemory(my_handle, (int*) offset, &data, sizeof(data), NULL))
throw Error::MemoryAccessDenied();
}
void NormalProcess::writeDWord (const uint32_t offset, uint32_t data)
{
if(!WriteProcessMemory(d->my_handle, (int*) offset, &data, sizeof(data), NULL))
if(!WriteProcessMemory(my_handle, (int*) offset, &data, sizeof(data), NULL))
throw Error::MemoryAccessDenied();
}
// using these is expensive.
void NormalProcess::writeWord (uint32_t offset, uint16_t data)
{
if(!WriteProcessMemory(d->my_handle, (int*) offset, &data, sizeof(data), NULL))
if(!WriteProcessMemory(my_handle, (int*) offset, &data, sizeof(data), NULL))
throw Error::MemoryAccessDenied();
}
void NormalProcess::writeByte (uint32_t offset, uint8_t data)
{
if(!WriteProcessMemory(d->my_handle, (int*) offset, &data, sizeof(data), NULL))
if(!WriteProcessMemory(my_handle, (int*) offset, &data, sizeof(data), NULL))
throw Error::MemoryAccessDenied();
}
void NormalProcess::write (uint32_t offset, uint32_t size, uint8_t *source)
{
if(!WriteProcessMemory(d->my_handle, (int*) offset, source, size, NULL))
if(!WriteProcessMemory(my_handle, (int*) offset, source, size, NULL))
throw Error::MemoryAccessDenied();
}
///FIXME: reduce use of temporary objects
const string NormalProcess::readCString (const uint32_t offset)
{
string temp;
char temp_c[256];
SIZE_T read;
if(!ReadProcessMemory(d->my_handle, (int *) offset, temp_c, 254, &read))
if(!ReadProcessMemory(my_handle, (int *) offset, temp_c, 254, &read))
throw Error::MemoryAccessDenied();
// needs to be 254+1 byte for the null term
temp_c[read+1] = 0;
@ -509,9 +552,10 @@ const string NormalProcess::readCString (const uint32_t offset)
size_t NormalProcess::readSTLString (uint32_t offset, char * buffer, size_t bufcapacity)
{
uint32_t start_offset = offset + d->STLSTR_buf_off;
size_t length = Process::readDWord(offset + d->STLSTR_size_off);
size_t capacity = Process::readDWord(offset + d->STLSTR_cap_off);
uint32_t start_offset = offset + STLSTR_buf_off;
size_t length = Process::readDWord(offset + STLSTR_size_off);
size_t capacity = Process::readDWord(offset + STLSTR_cap_off);
size_t read_real = min(length, bufcapacity-1);// keep space for null termination
// read data from inside the string structure
@ -531,9 +575,10 @@ size_t NormalProcess::readSTLString (uint32_t offset, char * buffer, size_t bufc
const string NormalProcess::readSTLString (uint32_t offset)
{
uint32_t start_offset = offset + d->STLSTR_buf_off;
size_t length = Process::readDWord(offset + d->STLSTR_size_off);
size_t capacity = Process::readDWord(offset + d->STLSTR_cap_off);
uint32_t start_offset = offset + STLSTR_buf_off;
size_t length = Process::readDWord(offset + STLSTR_size_off);
size_t capacity = Process::readDWord(offset + STLSTR_cap_off);
char * temp = new char[capacity+1];
// read data from inside the string structure
@ -561,13 +606,14 @@ string NormalProcess::readClassName (uint32_t vptr)
raw.resize(raw.length() - 2);// trim @@ from end
return raw;
}
string NormalProcess::getPath()
{
HMODULE hmod;
DWORD junk;
char String[255];
EnumProcessModules(d->my_handle, &hmod, 1 * sizeof(HMODULE), &junk); //get the module from the handle
GetModuleFileNameEx(d->my_handle,hmod,String,sizeof(String)); //get the filename from the module
EnumProcessModules(my_handle, &hmod, 1 * sizeof(HMODULE), &junk); //get the module from the handle
GetModuleFileNameEx(my_handle,hmod,String,sizeof(String)); //get the filename from the module
string out(String);
return(out.substr(0,out.find_last_of("\\")));
}

93
library/private/WindowsProcess.h
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@ -1,93 +0,0 @@
/*
www.sourceforge.net/projects/dfhack
Copyright (c) 2009 Petr Mrázek (peterix), Kenneth Ferland (Impaler[WrG]), dorf
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.
Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product documentation
would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
*/
#ifndef WINDOWS_PROCESS_H_INCLUDED
#define WINDOWS_PROCESS_H_INCLUDED
#ifndef LINUX_BUILD
#include "dfhack/DFProcess.h"
namespace DFHack
{
class NormalProcess : public Process
{
class Private;
private:
Private * const d;
public:
NormalProcess(uint32_t pid, std::vector <VersionInfo *> & known_versions);
~NormalProcess();
bool attach();
bool detach();
bool suspend();
bool asyncSuspend();
bool resume();
bool forceresume();
void readQuad(const uint32_t address, uint64_t & value);
void writeQuad(const uint32_t address, const uint64_t value);
void readDWord(const uint32_t address, uint32_t & value);
void writeDWord(const uint32_t address, const uint32_t value);
void readFloat(const uint32_t address, float & value);
void readWord(const uint32_t address, uint16_t & value);
void writeWord(const uint32_t address, const uint16_t value);
void readByte(const uint32_t address, uint8_t & value);
void writeByte(const uint32_t address, const uint8_t value);
void read( uint32_t address, uint32_t length, uint8_t* buffer);
void write(uint32_t address, uint32_t length, uint8_t* buffer);
const std::string readSTLString (uint32_t offset);
size_t readSTLString (uint32_t offset, char * buffer, size_t bufcapacity);
void writeSTLString(const uint32_t address, const std::string writeString){};
// get class name of an object with rtti/type info
std::string readClassName(uint32_t vptr);
const std::string readCString (uint32_t offset);
bool isSuspended();
bool isAttached();
bool isIdentified();
bool getThreadIDs(std::vector<uint32_t> & threads );
void getMemRanges(std::vector<t_memrange> & ranges );
VersionInfo *getDescriptor();
int getPID();
std::string getPath();
// get module index by name and version. bool 1 = error
bool getModuleIndex (const char * name, const uint32_t version, uint32_t & OUTPUT) { OUTPUT=0; return false;};
// get the SHM start if available
char * getSHMStart (void){return 0;};
// set a SHM command and wait for a response
bool SetAndWait (uint32_t state){return false;};
};
}
#endif
#endif