Public/VeraCrypt
1
0
Fork 0
mirror of https://github.com/veracrypt/VeraCrypt.git synced 2025-11-11 19:08:26 -06:00
Code Activity

Windows Driver: Don't cache the password if outer volume mounting succeeds but hidden volume mounting fails

Browse Source
This commit is contained in:
Mounir IDRASSI
2022-02-10 01:01:51 +01:00
parent 1ef05f24e2
commit aebb099da2
3 changed files with 23 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/Driver/Ntvol.c
View File

@@ -58,6 +58,8 @@ NTSTATUS TCOpenVolume (PDEVICE_OBJECT DeviceObject,
BOOL forceAccessCheck = !bRawDevice;
BOOL disableBuffering = TRUE;
BOOL exclusiveAccess = mount->bExclusiveAccess;
/* when mounting with hidden volume protection, we cache the passwords after both outer and hidden volumes are mounted successfully*/
BOOL bAutoCachePassword = mount->bProtectHiddenVolume? FALSE : mount->bCache;
Extension->pfoDeviceFile = NULL;
Extension->hDeviceFile = NULL;
@@ -602,7 +604,7 @@ NTSTATUS TCOpenVolume (PDEVICE_OBJECT DeviceObject,
{
mount->nReturnCode = ReadVolumeHeaderWCache (
FALSE,
mount->bCache,
bAutoCachePassword,
mount->bCachePim,
readBuffer,
&mount->ProtectedHidVolPassword,
@@ -615,7 +617,7 @@ NTSTATUS TCOpenVolume (PDEVICE_OBJECT DeviceObject,
{
mount->nReturnCode = ReadVolumeHeaderWCache (
mount->bPartitionInInactiveSysEncScope && volumeType == TC_VOLUME_TYPE_NORMAL,
mount->bCache,
bAutoCachePassword,
mount->bCachePim,
readBuffer,
&mount->VolumePassword,
@@ -826,6 +828,13 @@ NTSTATUS TCOpenVolume (PDEVICE_OBJECT DeviceObject,
// decrypt the hidden volume header.
if (!(volumeType == TC_VOLUME_TYPE_NORMAL && mount->bProtectHiddenVolume))
{
/* in case of mounting with hidden volume protection, we cache both passwords manually after bother outer and hidden volumes are mounted*/
if (mount->bProtectHiddenVolume && mount->bCache)
{
AddPasswordToCache(&mount->VolumePassword, mount->VolumePim, mount->bCachePim);
AddPasswordToCache(&mount->ProtectedHidVolPassword, mount->ProtectedHidVolPim, mount->bCachePim);
}
TCfree (readBuffer);
if (tmpCryptoInfo != NULL)