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/*
* Skype Login
*
* Based on:
* FakeSkype : Skype reverse engineering proof-of-concept client
* Ouanilo MEDEGAN (c) 2006 http://www.oklabs.net
* pyskype : Skype login Python script by uunicorn
*
* Written by: leecher@dose.0wnz.at (c) 2015
*
* Module: Main module which contains public functions of library
*
*/
#ifdef _WIN32
#define EXPORT
#define strcasecmp stricmp
#endif
#include <time.h>
#include "common.h"
#include "login.h"
#include "platform.h"
#include "uic.h"
#include "objects.h"
#include "credentials.h"
#include "skylogin.h"
EXPORT SkyLogin SkyLogin_Init()
{
Skype_Inst *pInst = calloc(1, sizeof(Skype_Inst));
#ifdef _WIN32
WORD wVersionRequested;
WSADATA wsaData;
wVersionRequested = MAKEWORD( 2, 2 );
WSAStartup( wVersionRequested, &wsaData);
#endif
if (pInst) InitInstance(pInst);
return (SkyLogin*)pInst;
}
EXPORT void SkyLogin_Exit(SkyLogin pPInst)
{
Skype_Inst *pInst = (Skype_Inst*)pPInst;
if (pInst->LoginD.User) free(pInst->LoginD.User);
if (pInst->LoginD.RSAKeys) RSA_free(pInst->LoginD.RSAKeys);
if (pInst->LoginD.SignedCredentials.Memory) free(pInst->LoginD.SignedCredentials.Memory);
free(pInst);
}
EXPORT void SkyLogin_SetLogFunction(SkyLogin pPInst, int (__cdecl *pfLog)(void *stream, const char *format, ...), void *pLogStream)
{
Skype_Inst *pInst = (Skype_Inst*)pPInst;
pInst->pfLog = pfLog;
pInst->pLogStream = pLogStream;
}
EXPORT int SkyLogin_LoadCredentials(SkyLogin pPInst, char *User)
{
Skype_Inst *pInst = (Skype_Inst*)pPInst;
Memory_U creds = Credentials_Load(User);
int ret = 0;
if (creds.Memory)
{
// Credentials were found and loaded, now let's parse them.
SResponse LoginDatas;
if (Credentials_Read(pInst, creds, &LoginDatas) == 0)
{
// Credentials were successfully read :)
// Now verify if they are still valid
uint Idx;
time_t t;
for (Idx = 0, ret = 1; ret && Idx < LoginDatas.NbObj; Idx++)
{
switch (LoginDatas.Objs[Idx].Id)
{
case OBJ_ID_LDUSER:
// Credentials for wrong user?
ret = !strcasecmp((char*)LoginDatas.Objs[Idx].Value.Memory.Memory, User);
if (pInst->LoginD.User) free(pInst->LoginD.User);
pInst->LoginD.User = strdup((char*)LoginDatas.Objs[Idx].Value.Memory.Memory);
break;
case OBJ_ID_LDEXPIRY:
// Credentials expired?
ret = (int)LoginDatas.Objs[Idx].Value.Nbr * 60 > time(&t)-60;
break;
}
}
FreeResponse(&LoginDatas);
}
free(creds.Memory);
}
return ret;
}
EXPORT int SkyLogin_PerformLogin(SkyLogin pPInst, char *User, char *Pass)
{
int ret;
Skype_Inst *pInst = (Skype_Inst*)pPInst;
if ((ret = PerformLogin(pInst, User, Pass)) > 0)
{
// On successful login, save login datas
Memory_U creds = Credentials_Write(pInst);
if (creds.Memory)
{
Credentials_Save(creds, User);
free (creds.Memory);
}
if (pInst->LoginD.User) free(pInst->LoginD.User);
pInst->LoginD.User = strdup(User);
}
return ret;
}
EXPORT int SkyLogin_PerformLoginOAuth(SkyLogin pPInst, const char *OAuth)
{
int ret;
Skype_Inst *pInst = (Skype_Inst*)pPInst;
if ((ret = PerformLogin(pInst, OAuth, NULL)) > 0)
{
// On successful login, save login datas
Memory_U creds = Credentials_Write(pInst);
if (creds.Memory)
{
SResponse LoginDatas;
// We don't know user name, so read it from Credentials
if (Credentials_Parse(pInst, pInst->LoginD.SignedCredentials, &LoginDatas) == 0)
{
uint Idx;
for (Idx = 0; Idx < LoginDatas.NbObj; Idx++)
{
if (LoginDatas.Objs[Idx].Id == OBJ_ID_LDUSER)
{
Credentials_Save(creds, (char*)LoginDatas.Objs[Idx].Value.Memory.Memory);
if (pInst->LoginD.User) free(pInst->LoginD.User);
pInst->LoginD.User = (uchar*)strdup((char*)LoginDatas.Objs[Idx].Value.Memory.Memory);
break;
}
}
FreeResponse(&LoginDatas);
}
free (creds.Memory);
}
}
return ret;
}
EXPORT int SkyLogin_CreateUICString(SkyLogin pInst, const char *pszNonce, char *pszOutUIC)
{
return CreateUICString((Skype_Inst*)pInst, pszNonce, "WS-SecureConversationSESSION KEY TOKEN", pszOutUIC);
}
EXPORT int SkyLogin_GetCredentialsUIC(SkyLogin pInst, char *pszOutUIC)
{
return GetCredentialsUIC((Skype_Inst*)pInst, pszOutUIC);
}
EXPORT char *SkyLogin_GetUser(SkyLogin pInst)
{
return (char*)((Skype_Inst*)pInst)->LoginD.User;
}
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