/**
* Frees a CarePackage object and all its members.
*/
void ABC_CarePackageFree(tABC_CarePackage *pSelf)
{
if (pSelf)
{
ABC_CryptoFreeSNRP(&pSelf->pSNRP1);
ABC_CryptoFreeSNRP(&pSelf->pSNRP2);
ABC_CryptoFreeSNRP(&pSelf->pSNRP3);
ABC_CryptoFreeSNRP(&pSelf->pSNRP4);
if (pSelf->ERQ) json_decref(pSelf->ERQ);
ABC_CLEAR_FREE(pSelf, sizeof(tABC_CarePackage));
}
}
/**
* Changes the password on an existing login object.
* @param szPassword The new password.
*/
tABC_CC ABC_LoginPasswordSet(Login &login,
const char *szPassword,
tABC_Error *pError)
{
tABC_CC cc = ABC_CC_Ok;
tABC_CarePackage *pCarePackage = NULL;
tABC_LoginPackage *pLoginPackage = NULL;
AutoU08Buf oldL1;
AutoU08Buf oldLP1;
AutoU08Buf oldLRA1;
AutoU08Buf LP;
AutoU08Buf LP1;
AutoU08Buf LP2;
// Load the packages:
ABC_CHECK_RET(ABC_LoginDirLoadPackages(login.lobby().dir(), &pCarePackage, &pLoginPackage, pError));
// Load the old keys:
ABC_CHECK_RET(ABC_LoginGetServerKeys(login, &oldL1, &oldLP1, pError));
if (pLoginPackage->ELRA1)
{
ABC_CHECK_RET(ABC_CryptoDecryptJSONObject(pLoginPackage->ELRA1, toU08Buf(login.dataKey()), &oldLRA1, pError));
}
// Update SNRP2:
ABC_CryptoFreeSNRP(pCarePackage->pSNRP2);
pCarePackage->pSNRP2 = nullptr;
ABC_CHECK_RET(ABC_CryptoCreateSNRPForClient(&pCarePackage->pSNRP2, pError));
// LP = L + P:
ABC_BUF_STRCAT(LP, login.lobby().username().c_str(), szPassword);
// Update EMK_LP2:
json_decref(pLoginPackage->EMK_LP2);
ABC_CHECK_RET(ABC_CryptoScryptSNRP(LP, pCarePackage->pSNRP2, &LP2, pError));
ABC_CHECK_RET(ABC_CryptoEncryptJSONObject(toU08Buf(login.dataKey()), LP2,
ABC_CryptoType_AES256, &pLoginPackage->EMK_LP2, pError));
// Update ELP1:
json_decref(pLoginPackage->ELP1);
ABC_CHECK_RET(ABC_CryptoScryptSNRP(LP, pCarePackage->pSNRP1, &LP1, pError));
ABC_CHECK_RET(ABC_CryptoEncryptJSONObject(LP1, toU08Buf(login.dataKey()),
ABC_CryptoType_AES256, &pLoginPackage->ELP1, pError));
// Change the server login:
ABC_CHECK_RET(ABC_LoginServerChangePassword(oldL1, oldLP1,
LP1, oldLRA1, pCarePackage, pLoginPackage, pError));
// Change the on-disk login:
ABC_CHECK_RET(ABC_LoginDirSavePackages(login.lobby().dir(), pCarePackage, pLoginPackage, pError));
exit:
ABC_CarePackageFree(pCarePackage);
ABC_LoginPackageFree(pLoginPackage);
return cc;
}
