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WideCharToMultiByte() and MultiByteToWideChar() optimization

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This commit is contained in:
Simon Rozman 2016-11-07 13:44:40 +01:00
parent 9efb75d66f
commit e8d2e33aac
7 changed files with 18 additions and 18 deletions
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4
lib/EAPBase/include/EAP.h
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@ -902,7 +902,7 @@ template<class _Traits, class _Ax>
inline void operator<<(_Inout_ eap::cursor_out &cursor, _In_ const std::basic_string<wchar_t, _Traits, _Ax> &val)
{
std::string val_utf8;
WideCharToMultiByte(CP_UTF8, 0, val.c_str(), (int)val.length(), val_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, val, val_utf8, NULL, NULL);
cursor << val_utf8;
}
@ -919,7 +919,7 @@ inline void operator>>(_Inout_ eap::cursor_in &cursor, _Out_ std::basic_string<w
{
std::string val_utf8;
cursor >> val_utf8;
MultiByteToWideChar(CP_UTF8, 0, val_utf8.c_str(), (int)val_utf8.length(), val);
MultiByteToWideChar(CP_UTF8, 0, val_utf8, val);
}

8
lib/EAPBase/include/Module.h
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@ -323,7 +323,7 @@ namespace eap
std::vector<unsigned char> encrypt(_In_ HCRYPTPROV hProv, _In_ const std::basic_string<wchar_t, _Traits, _Ax> &val, _Out_opt_ HCRYPTHASH hHash = NULL) const
{
winstd::sanitizing_string val_utf8;
WideCharToMultiByte(CP_UTF8, 0, val.c_str(), (int)val.length(), val_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, val, val_utf8, NULL, NULL);
return encrypt(hProv, val_utf8, hHash);
}
@ -367,7 +367,7 @@ namespace eap
std::vector<unsigned char> encrypt_md5(_In_ HCRYPTPROV hProv, _In_ const std::basic_string<wchar_t, _Traits, _Ax> &val) const
{
winstd::sanitizing_string val_utf8;
WideCharToMultiByte(CP_UTF8, 0, val.c_str(), (int)val.length(), val_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, val, val_utf8, NULL, NULL);
return encrypt_md5(hProv, val_utf8);
}
@ -448,7 +448,7 @@ namespace eap
{
winstd::sanitizing_string buf(std::move(decrypt_str(hProv, data, size, hHash)));
std::basic_string<wchar_t, _Traits, _Ax> dec;
MultiByteToWideChar(CP_UTF8, 0, buf.data(), (int)buf.size(), dec);
MultiByteToWideChar(CP_UTF8, 0, buf, dec);
return dec;
}
@ -520,7 +520,7 @@ namespace eap
{
winstd::sanitizing_string buf(std::move(decrypt_str_md5<char, std::char_traits<char>, sanitizing_allocator<char> >(hProv, data, size)));
std::basic_string<wchar_t, _Traits, _Ax> dec;
MultiByteToWideChar(CP_UTF8, 0, buf.data(), (int)buf.size(), dec);
MultiByteToWideChar(CP_UTF8, 0, buf, dec);
return dec;
}

6
lib/EAPBase/src/Credentials.cpp
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@ -251,7 +251,7 @@ void eap::credentials_pass::save(_In_ IXMLDOMDocument *pDoc, _In_ IXMLDOMNode *p
switch (m_enc_alg) {
case enc_alg_kph: {
sanitizing_string password_utf8;
WideCharToMultiByte(CP_UTF8, 0, m_password.c_str(), -1, password_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, m_password, password_utf8, NULL, NULL);
wstring password_enc(std::move(kph_encrypt<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >(cp, password_utf8.c_str())));
com_obj<IXMLDOMElement> pXmlElPassword;
if (FAILED(hr = eapxml::put_element_value(pDoc, pConfigRoot, bstr(L"Password"), namespace_eapmetadata, bstr(password_enc), std::addressof(pXmlElPassword))))
@ -308,7 +308,7 @@ void eap::credentials_pass::load(_In_ IXMLDOMNode *pConfigRoot)
} else if (encryption && CompareStringEx(LOCALE_NAME_INVARIANT, NORM_IGNORECASE, encryption, encryption.length(), _L("KPH"), -1, NULL, NULL, 0) == CSTR_EQUAL) {
// Decrypt password.
sanitizing_string password_utf8(std::move(kph_decrypt<OLECHAR>(password)));
MultiByteToWideChar(CP_UTF8, 0, password_utf8.c_str(), -1, m_password);
MultiByteToWideChar(CP_UTF8, 0, password_utf8, m_password);
m_enc_alg = enc_alg_kph;
} else if (encryption && encryption[0]) {
// Encryption is defined but unrecognized.
@ -354,7 +354,7 @@ void eap::credentials_pass::store(_In_z_ LPCTSTR pszTargetName, _In_ unsigned in
// Convert password to UTF-8.
sanitizing_string cred_utf8;
WideCharToMultiByte(CP_UTF8, 0, m_password.c_str(), (int)m_password.length(), cred_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, m_password, cred_utf8, NULL, NULL);
// Encrypt the password using user's key.
DATA_BLOB cred_blob = { (DWORD)cred_utf8.size() , const_cast<LPBYTE>(reinterpret_cast<LPCBYTE>(cred_utf8.data())) };

8
lib/MSCHAPv2/src/Method.cpp
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@ -132,7 +132,7 @@ void eap::method_mschapv2_base::process_success(_In_ const list<string> &argv)
// Calculate expected authenticator response.
sanitizing_string identity_utf8;
WideCharToMultiByte(CP_UTF8, 0, m_cred.m_identity.c_str(), (int)m_cred.m_identity.length(), identity_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, m_cred.m_identity, identity_utf8, NULL, NULL);
authenticator_response resp_exp(m_cp, m_challenge_server, m_challenge_client, identity_utf8.c_str(), m_cred.m_password.c_str(), m_nt_resp);
// Compare against provided authemticator response.
@ -169,7 +169,7 @@ void eap::method_mschapv2_base::process_error(_In_ const list<string> &argv)
bool is_last;
dec.decode(m_challenge_server, is_last, val.data() + 2, (size_t)-1);
} else if ((val[0] == 'M' || val[0] == 'm') && val[1] == '=') {
MultiByteToWideChar(CP_UTF8, 0, val.data() + 2, -1, m_cfg.m_last_msg);
MultiByteToWideChar(CP_UTF8, 0, val.data() + 2, (int)val.length() - 2, m_cfg.m_last_msg);
m_module.log_event(&EAPMETHOD_METHOD_FAILURE_ERROR1, event_data((unsigned int)m_cfg.get_method_id()), event_data(m_cfg.m_last_msg), event_data::blank);
}
}
@ -263,7 +263,7 @@ EapPeerMethodResponseAction eap::method_mschapv2::process_request_packet(
// Calculate NT-Response.
sanitizing_string identity_utf8;
WideCharToMultiByte(CP_UTF8, 0, m_cred.m_identity.c_str(), (int)m_cred.m_identity.length(), identity_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, m_cred.m_identity, identity_utf8, NULL, NULL);
m_nt_resp = nt_response(m_cp, m_challenge_server, m_challenge_client, identity_utf8.c_str(), m_cred.m_password.c_str());
// Prepare CHAP response value.
@ -373,7 +373,7 @@ EapPeerMethodResponseAction eap::method_mschapv2_diameter::process_request_packe
// Calculate NT-Response.
sanitizing_string identity_utf8;
WideCharToMultiByte(CP_UTF8, 0, m_cred.m_identity.c_str(), (int)m_cred.m_identity.length(), identity_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, m_cred.m_identity, identity_utf8, NULL, NULL);
m_nt_resp = nt_response(m_cp, m_challenge_server, m_challenge_client, identity_utf8.c_str(), m_cred.m_password.c_str());
// Prepare MS-CHAP2-Response.

4
lib/PAP/src/Method.cpp
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@ -91,8 +91,8 @@ EapPeerMethodResponseAction eap::method_pap_diameter::process_request_packet(
// Convert username and password to UTF-8.
sanitizing_string identity_utf8, password_utf8;
WideCharToMultiByte(CP_UTF8, 0, m_cred.m_identity.c_str(), (int)m_cred.m_identity.length(), identity_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, m_cred.m_password.c_str(), (int)m_cred.m_password.length(), password_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, m_cred.m_identity, identity_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, m_cred.m_password, password_utf8, NULL, NULL);
// PAP passwords must be padded to 16B boundary according to RFC 5281. Will not add random extra padding here, as length obfuscation should be done by outer transport layers.
size_t padding_password_ex = (16 - password_utf8.length()) % 16;

4
lib/TTLS/src/Method.cpp
View File

@ -231,7 +231,7 @@ EapPeerMethodResponseAction eap::method_eapmsg::process_request_packet(
case phase_identity: {
// Convert identity to UTF-8.
sanitizing_string identity_utf8;
WideCharToMultiByte(CP_UTF8, 0, m_identity.c_str(), -1, identity_utf8, NULL, NULL);
WideCharToMultiByte(CP_UTF8, 0, m_identity, identity_utf8, NULL, NULL);
// Build EAP-Response/Identity packet.
auto size_identity = identity_utf8.length(), size_packet = size_identity + sizeof(EapPacket);
@ -413,7 +413,7 @@ void eap::method_ttls::begin_session(
m_sc_target_name.insert(m_sc_target_name.end(), name->begin(), name->end());
#else
string buf;
WideCharToMultiByte(CP_ACP, 0, name->c_str(), -1, buf, NULL, NULL);
WideCharToMultiByte(CP_ACP, 0, name, buf, NULL, NULL);
m_sc_target_name.insert(m_sc_target_name.end(), buf.begin(), buf.end());
#endif
}

2
lib/WinStd

@ -1 +1 @@
Subproject commit 6be8e5ee549a51146782ab6f24a7439292a307e4
Subproject commit bab514cbd46f1d96d4c7ebad6f5bc3872b940aa3