| public static FileExists ( IOConnectionInfo ioc ) : bool | ||
| ioc | IOConnectionInfo | |
| Résultat | bool | |
private void CommitWriteTransaction()
{
bool bMadeUnhidden = UrlUtil.UnhideFile(m_iocBase.Path);
#if !KeePassLibSD
FileSecurity bkSecurity = null;
#endif
if (IOConnection.FileExists(m_iocBase))
{
#if !KeePassLibSD
if (m_iocBase.IsLocalFile())
{
try
{
DateTime tCreation = File.GetCreationTime(m_iocBase.Path);
bkSecurity = File.GetAccessControl(m_iocBase.Path);
File.SetCreationTime(m_iocTemp.Path, tCreation);
}
catch (Exception) { Debug.Assert(false); }
}
#endif
IOConnection.DeleteFile(m_iocBase);
}
IOConnection.RenameFile(m_iocTemp, m_iocBase);
#if !KeePassLibSD
if (m_iocBase.IsLocalFile())
{
try
{
if (bkSecurity != null)
{
File.SetAccessControl(m_iocBase.Path, bkSecurity);
}
}
catch (Exception) { Debug.Assert(false); }
}
#endif
if (bMadeUnhidden)
{
UrlUtil.HideFile(m_iocBase.Path, true); // Hide again
}
}
private void Dispose(bool bDisposing)
{
m_iocBase = null;
if (!bDisposing)
{
return;
}
try
{
foreach (IOConnectionInfo ioc in m_lToDelete)
{
if (IOConnection.FileExists(ioc, false))
{
IOConnection.DeleteFile(ioc);
}
}
m_lToDelete.Clear();
}
catch (Exception) { Debug.Assert(false); }
}
private void CommitWriteTransaction()
{
if (g_bExtraSafe)
{
if (!IOConnection.FileExists(m_iocTemp))
{
throw new FileNotFoundException(m_iocTemp.Path +
MessageService.NewLine + KLRes.FileSaveFailed);
}
}
bool bMadeUnhidden = UrlUtil.UnhideFile(m_iocBase.Path);
#if !KeePassUAP
// 'All' includes 'Audit' (SACL), which requires SeSecurityPrivilege,
// which we usually don't have and therefore get an exception;
// trying to set 'Owner' or 'Group' can result in an
// UnauthorizedAccessException; thus we restore 'Access' (DACL) only
const AccessControlSections acs = AccessControlSections.Access;
bool bEfsEncrypted = false;
byte[] pbSec = null;
#endif
DateTime?otCreation = null;
bool bBaseExists = IOConnection.FileExists(m_iocBase);
if (bBaseExists && m_iocBase.IsLocalFile())
{
// FileAttributes faBase = FileAttributes.Normal;
try
{
#if !KeePassUAP
FileAttributes faBase = File.GetAttributes(m_iocBase.Path);
bEfsEncrypted = ((long)(faBase & FileAttributes.Encrypted) != 0);
try { if (bEfsEncrypted)
{
File.Decrypt(m_iocBase.Path);
}
} // For TxF
catch (Exception) { Debug.Assert(false); }
#endif
otCreation = File.GetCreationTimeUtc(m_iocBase.Path);
#if !KeePassUAP
// May throw with Mono
FileSecurity sec = File.GetAccessControl(m_iocBase.Path, acs);
if (sec != null)
{
pbSec = sec.GetSecurityDescriptorBinaryForm();
}
#endif
}
catch (Exception) { Debug.Assert(NativeLib.IsUnix()); }
// if((long)(faBase & FileAttributes.ReadOnly) != 0)
// throw new UnauthorizedAccessException();
}
if (!TxfMove())
{
if (bBaseExists)
{
IOConnection.DeleteFile(m_iocBase);
}
IOConnection.RenameFile(m_iocTemp, m_iocBase);
}
else
{
Debug.Assert(pbSec != null);
} // TxF success => NTFS => has ACL
try
{
// If File.GetCreationTimeUtc fails, it may return a
// date with year 1601, and Unix times start in 1970,
// so testing for 1971 should ensure validity;
// https://msdn.microsoft.com/en-us/library/system.io.file.getcreationtimeutc.aspx
if (otCreation.HasValue && (otCreation.Value.Year >= 1971))
{
File.SetCreationTimeUtc(m_iocBase.Path, otCreation.Value);
}
#if !KeePassUAP
if (bEfsEncrypted)
{
try { File.Encrypt(m_iocBase.Path); }
catch (Exception) { Debug.Assert(false); }
}
// File.SetAccessControl(m_iocBase.Path, secPrev);
// Directly calling File.SetAccessControl with the previous
// FileSecurity object does not work; the binary form
// indirection is required;
// https://sourceforge.net/p/keepass/bugs/1738/
// https://msdn.microsoft.com/en-us/library/system.io.file.setaccesscontrol.aspx
if ((pbSec != null) && (pbSec.Length != 0))
{
FileSecurity sec = new FileSecurity();
sec.SetSecurityDescriptorBinaryForm(pbSec, acs);
File.SetAccessControl(m_iocBase.Path, sec);
}
#endif
}
catch (Exception) { Debug.Assert(false); }
if (bMadeUnhidden)
{
UrlUtil.HideFile(m_iocBase.Path, true);
}
}
private void CommitWriteTransaction()
{
if (g_bExtraSafe)
{
if (!IOConnection.FileExists(m_iocTemp))
{
throw new FileNotFoundException(m_iocTemp.Path +
MessageService.NewLine + KLRes.FileSaveFailed);
}
}
bool bMadeUnhidden = UrlUtil.UnhideFile(m_iocBase.Path);
#if !KeePassUAP
bool bEfsEncrypted = false;
FileSecurity bkSecurity = null;
#endif
DateTime?otCreation = null;
bool bBaseExists = IOConnection.FileExists(m_iocBase);
if (bBaseExists && m_iocBase.IsLocalFile())
{
// FileAttributes faBase = FileAttributes.Normal;
try
{
#if !KeePassUAP
FileAttributes faBase = File.GetAttributes(m_iocBase.Path);
bEfsEncrypted = ((long)(faBase & FileAttributes.Encrypted) != 0);
try { if (bEfsEncrypted)
{
File.Decrypt(m_iocBase.Path);
}
} // For TxF
catch (Exception) { Debug.Assert(false); }
#endif
otCreation = File.GetCreationTimeUtc(m_iocBase.Path);
#if !KeePassUAP
// May throw with Mono
bkSecurity = File.GetAccessControl(m_iocBase.Path);
#endif
}
catch (Exception) { Debug.Assert(NativeLib.IsUnix()); }
// if((long)(faBase & FileAttributes.ReadOnly) != 0)
// throw new UnauthorizedAccessException();
}
if (!TxfMove())
{
if (bBaseExists)
{
IOConnection.DeleteFile(m_iocBase);
}
IOConnection.RenameFile(m_iocTemp, m_iocBase);
}
try
{
// If File.GetCreationTimeUtc fails, it may return a
// date with year 1601, and Unix times start in 1970,
// so testing for 1971 should ensure validity;
// https://msdn.microsoft.com/en-us/library/system.io.file.getcreationtimeutc.aspx
if (otCreation.HasValue && (otCreation.Value.Year >= 1971))
{
File.SetCreationTimeUtc(m_iocBase.Path, otCreation.Value);
}
#if !KeePassUAP
if (bEfsEncrypted)
{
try { File.Encrypt(m_iocBase.Path); }
catch (Exception) { Debug.Assert(false); }
}
if (bkSecurity != null)
{
File.SetAccessControl(m_iocBase.Path, bkSecurity);
}
#endif
}
catch (Exception) { Debug.Assert(false); }
if (bMadeUnhidden)
{
UrlUtil.HideFile(m_iocBase.Path, true);
}
}
private void CommitWriteTransaction()
{
bool bMadeUnhidden = UrlUtil.UnhideFile(m_iocBase.Path);
#if (!KeePassLibSD && !KeePassRT)
FileSecurity bkSecurity = null;
bool bEfsEncrypted = false;
#endif
// Check that temporary file exists.
if (!IOConnection.FileExists(m_iocTemp))
{
throw new FileNotFoundException("Temporary file disappeared before transaction completed.",
m_iocTemp.Path);
}
if (IOConnection.FileExists(m_iocBase))
{
#if (!KeePassLibSD && !KeePassRT)
if (m_iocBase.IsLocalFile())
{
try
{
FileAttributes faBase = File.GetAttributes(m_iocBase.Path);
bEfsEncrypted = ((long)(faBase & FileAttributes.Encrypted) != 0);
DateTime tCreation = File.GetCreationTime(m_iocBase.Path);
bkSecurity = File.GetAccessControl(m_iocBase.Path);
File.SetCreationTime(m_iocTemp.Path, tCreation);
}
catch (Exception) { Debug.Assert(false); }
}
#endif
IOConnection.DeleteFile(m_iocBase);
}
IOConnection.RenameFile(m_iocTemp, m_iocBase);
#if (!KeePassLibSD && !KeePassRT)
if (m_iocBase.IsLocalFile())
{
try
{
if (bEfsEncrypted)
{
try { File.Encrypt(m_iocBase.Path); }
catch (Exception) { Debug.Assert(false); }
}
if (bkSecurity != null)
{
File.SetAccessControl(m_iocBase.Path, bkSecurity);
}
}
catch (Exception) { Debug.Assert(false); }
}
#endif
if (bMadeUnhidden)
{
UrlUtil.HideFile(m_iocBase.Path, true); // Hide again
}
}
private void CommitWriteTransaction()
{
bool bMadeUnhidden = UrlUtil.UnhideFile(m_iocBase.Path);
#if (!KeePassLibSD && !KeePassUAP)
FileSecurity bkSecurity = null;
bool bEfsEncrypted = false;
#endif
if (g_bExtraSafe)
{
if (!IOConnection.FileExists(m_iocTemp))
{
throw new FileNotFoundException(m_iocTemp.Path +
MessageService.NewLine + KLRes.FileSaveFailed);
}
}
if (IOConnection.FileExists(m_iocBase))
{
#if !KeePassLibSD
if (m_iocBase.IsLocalFile())
{
try
{
#if !KeePassUAP
FileAttributes faBase = File.GetAttributes(m_iocBase.Path);
bEfsEncrypted = ((long)(faBase & FileAttributes.Encrypted) != 0);
#endif
DateTime tCreation = File.GetCreationTime(m_iocBase.Path);
File.SetCreationTime(m_iocTemp.Path, tCreation);
#if !KeePassUAP
// May throw with Mono
bkSecurity = File.GetAccessControl(m_iocBase.Path);
#endif
}
catch (Exception) { Debug.Assert(NativeLib.IsUnix()); }
}
#endif
IOConnection.DeleteFile(m_iocBase);
}
IOConnection.RenameFile(m_iocTemp, m_iocBase);
#if (!KeePassLibSD && !KeePassUAP)
if (m_iocBase.IsLocalFile())
{
try
{
if (bEfsEncrypted)
{
try { File.Encrypt(m_iocBase.Path); }
catch (Exception) { Debug.Assert(false); }
}
if (bkSecurity != null)
{
File.SetAccessControl(m_iocBase.Path, bkSecurity);
}
}
catch (Exception) { Debug.Assert(false); }
}
#endif
if (bMadeUnhidden)
{
UrlUtil.HideFile(m_iocBase.Path, true); // Hide again
}
}