VeraCrypt
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Diffstat (limited to 'src/Main/CommandLineInterface.cpp')
-rw-r--r--src/Main/CommandLineInterface.cpp26
1 files changed, 17 insertions, 9 deletions
diff --git a/src/Main/CommandLineInterface.cpp b/src/Main/CommandLineInterface.cpp
index 171bd165..0360921b 100644
--- a/src/Main/CommandLineInterface.cpp
+++ b/src/Main/CommandLineInterface.cpp
@@ -31,6 +31,7 @@ namespace VeraCrypt
ArgVolumeType (VolumeType::Unknown),
ArgTrueCryptMode (false),
ArgDisableFileSizeCheck (false),
+ ArgUseLegacyPassword (false),
StartBackgroundTask (false)
{
wxCmdLineParser parser;
@@ -98,6 +99,7 @@ namespace VeraCrypt
parser.AddParam ( _("Volume path"), wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL);
parser.AddParam ( _("Mount point"), wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL);
parser.AddSwitch (L"", L"no-size-check", _("Disable check of container size against disk free space."));
+ parser.AddSwitch (L"", L"legacy-password-maxlength", _("Use legacy maximum password length (64 UTF-8 bytes)"));
wxString str;
bool param1IsVolume = false;
@@ -336,6 +338,7 @@ namespace VeraCrypt
ArgTrueCryptMode = parser.Found (L"truecrypt");
ArgDisableFileSizeCheck = parser.Found (L"no-size-check");
+ ArgUseLegacyPassword = parser.Found (L"legacy-password-maxlength") || ArgTrueCryptMode;
#if !defined(TC_WINDOWS) && !defined(TC_MACOSX)
if (parser.Found (L"fs-options", &str))
@@ -407,7 +410,7 @@ namespace VeraCrypt
ArgNewKeyfiles = ToKeyfileList (str);
if (parser.Found (L"new-password", &str))
- ArgNewPassword = ToUTF8Password (str.c_str());
+ ArgNewPassword = ToUTF8Password (str.c_str(), -1, ArgUseLegacyPassword? VolumePassword::MaxLegacySize : VolumePassword::MaxSize);
if (parser.Found (L"new-pim", &str))
{
@@ -446,7 +449,7 @@ namespace VeraCrypt
{
if (Preferences.UseStandardInput)
throw_err (L"--password cannot be used with --stdin");
- ArgPassword = ToUTF8Password (str.c_str());
+ ArgPassword = ToUTF8Password (str.c_str(), -1, ArgUseLegacyPassword? VolumePassword::MaxLegacySize : VolumePassword::MaxSize);
}
if (parser.Found (L"pim", &str))
@@ -487,7 +490,7 @@ namespace VeraCrypt
if (parser.Found (L"protection-password", &str))
{
- ArgMountOptions.ProtectionPassword = ToUTF8Password (str.c_str());
+ ArgMountOptions.ProtectionPassword = ToUTF8Password (str.c_str(), -1, ArgUseLegacyPassword? VolumePassword::MaxLegacySize : VolumePassword::MaxSize);
ArgMountOptions.Protection = VolumeProtection::HiddenVolumeReadOnly;
}
@@ -601,7 +604,7 @@ namespace VeraCrypt
if (parser.Found (L"token-pin", &str) && !str.IsEmpty ())
{
- ArgTokenPin = ToUTF8Buffer (str.c_str(), str.Len ());
+ ArgTokenPin = ToUTF8Buffer (str.c_str(), str.Len (), ArgUseLegacyPassword? VolumePassword::MaxLegacySize : VolumePassword::MaxSize);
}
if (parser.Found (L"verbose"))
@@ -776,18 +779,18 @@ namespace VeraCrypt
return filteredVolumes;
}
- shared_ptr<VolumePassword> ToUTF8Password (const wchar_t* str, size_t charCount)
+ shared_ptr<VolumePassword> ToUTF8Password (const wchar_t* str, size_t charCount, size_t maxUtf8Len)
{
if (charCount > 0)
{
- shared_ptr<SecureBuffer> utf8Buffer = ToUTF8Buffer (str, charCount);
+ shared_ptr<SecureBuffer> utf8Buffer = ToUTF8Buffer (str, charCount, maxUtf8Len);
return shared_ptr<VolumePassword>(new VolumePassword (*utf8Buffer));
}
else
return shared_ptr<VolumePassword>(new VolumePassword ());
}
- shared_ptr<SecureBuffer> ToUTF8Buffer (const wchar_t* str, size_t charCount)
+ shared_ptr<SecureBuffer> ToUTF8Buffer (const wchar_t* str, size_t charCount, size_t maxUtf8Len)
{
if (charCount == (size_t) -1)
charCount = wcslen (str);
@@ -802,8 +805,13 @@ namespace VeraCrypt
ulen = utf8.FromWChar ((char*) (byte*) passwordBuf, ulen, str, charCount);
if (wxCONV_FAILED == ulen)
throw PasswordUTF8Invalid (SRC_POS);
- if (ulen > VolumePassword::MaxSize)
- throw PasswordUTF8TooLong (SRC_POS);
+ if (ulen > maxUtf8Len)
+ {
+ if (maxUtf8Len == VolumePassword::MaxLegacySize)
+ throw PasswordLegacyUTF8TooLong (SRC_POS);
+ else
+ throw PasswordUTF8TooLong (SRC_POS);
+ }
ConstBufferPtr utf8Buffer ((byte*) passwordBuf, ulen);
return shared_ptr<SecureBuffer>(new SecureBuffer (utf8Buffer));