/// <summary>
/// Delete VPN Config
/// </summary>
/// <param name="hostname"></param>
/// <param name="username"></param>
public void RemoveVPN(string hostname, string username)
{
// count exist record
int nCount = 0;
for (int i = 0; i < this.VPNs.Length; i++)
{
if (this.VPNs[i].Hostname == hostname && this.VPNs[i].Username == username)
{
nCount++;
}
}
// remove exist record
if (nCount != 0)
{
VPN[] VPNs = new VPN[this.VPNs.Length - nCount];
int n = 0;
for (int i = 0; i < this.VPNs.Length; i++)
{
if (this.VPNs[i].Hostname != hostname || this.VPNs[i].Username != username)
{
VPNs[n] = this.VPNs[i];
n++;
}
}
this.VPNs = VPNs;
}
// save change
WriteConfig();
}
/// <summary>
/// Change VPN Index
/// </summary>
/// <param name="hostname"></param>
/// <param name="username"></param>
/// <param name="newindex"></param>
public void ChangeVPNIndex(string hostname, string username, int newindex)
{
// search vpn
int oldindex = -1;
for (int i = 0; i < this.VPNs.Length; i++)
{
if (this.VPNs[i].Hostname == hostname && this.VPNs[i].Username == username)
{
oldindex = i;
}
}
// change index
if (oldindex >= 0)
{
VPN vpn = this.VPNs[oldindex];
newindex = Math.Min(Math.Max(newindex, 0), this.VPNs.Length - 1);
if (oldindex < newindex)
{
for (int i = oldindex; i < newindex; i++)
this.VPNs[i] = this.VPNs[i + 1];
this.VPNs[newindex] = vpn;
}
else if (oldindex > newindex)
{
for (int i = oldindex; i > newindex; i--)
this.VPNs[i] = this.VPNs[i - 1];
this.VPNs[newindex] = vpn;
}
}
// save change
WriteConfig();
}
/// <summary>
/// load config from config file
/// </summary>
private void ReadConfig()
{
// read data
file.Seek(0, SeekOrigin.Begin);
byte[] byteAll = new byte[file.Length];
file.Read(byteAll, 0, (int)file.Length); // it's .. not safe ... mark here
// check signature
byteAll = DesignArray(byteAll);
// decrypt data
byteAll = DecryptArray(byteAll);
// parse data
if (byteAll.Length >= ADAPTER_MAX_LENGTH)
{
// entry name
byte[] byteAdapter = new byte[ADAPTER_MAX_LENGTH];
for (int i = 0; i < byteAdapter.Length; i++)
{
byteAdapter[i] = byteAll[i];
}
this._EntryName = System.Text.Encoding.Default.GetString(byteAdapter).Trim(new char[] { '\r', '\n', ' ', '\t', '\0' });
// accounts
VPN[] VPNs = new VPN[(byteAll.Length - ADAPTER_MAX_LENGTH) / (HOSTNAME_MAX_LENGTH + USERNAME_MAX_LENGTH + PASSWORD_MAX_LENGTH)];
for (int i = 0; i < VPNs.Length; i++)
{
int offset = ADAPTER_MAX_LENGTH + i * (HOSTNAME_MAX_LENGTH + USERNAME_MAX_LENGTH + PASSWORD_MAX_LENGTH);
byte[] byteHostname = new byte[HOSTNAME_MAX_LENGTH];
byte[] byteUsername = new byte[USERNAME_MAX_LENGTH];
byte[] bytePassword = new byte[PASSWORD_MAX_LENGTH];
for (int j = 0; j < HOSTNAME_MAX_LENGTH; j++)
byteHostname[j] = byteAll[offset + j];
for (int j = 0; j < USERNAME_MAX_LENGTH; j++)
byteUsername[j] = byteAll[offset + HOSTNAME_MAX_LENGTH + j];
for (int j = 0; j < PASSWORD_MAX_LENGTH; j++)
bytePassword[j] = byteAll[offset + HOSTNAME_MAX_LENGTH + PASSWORD_MAX_LENGTH + j];
VPNs[i].Hostname = System.Text.Encoding.Default.GetString(byteHostname).Trim(new char[] { '\r', '\n', ' ', '\t', '\0' });
VPNs[i].Username = System.Text.Encoding.Default.GetString(byteUsername).Trim(new char[] { '\r', '\n', ' ', '\t', '\0' });
VPNs[i].Password = System.Text.Encoding.Default.GetString(bytePassword).Trim(new char[] { '\r', '\n', ' ', '\t', '\0' });
}
this.VPNs = VPNs;
}
}
/// <summary>
/// Add or update one vpn config.
/// </summary>
/// <param name="hostname"></param>
/// <param name="username"></param>
/// <param name="password"></param>
public void SetupVPN(string hostname, string username, string password)
{
// if exist
for (int i = 0; i < this.VPNs.Length; i++)
{
if (this.VPNs[i].Hostname == hostname && this.VPNs[i].Username == username)
{
this.VPNs[i].Password = password;
return;
}
}
// else append record
VPN[] VPNs = new VPN[this.VPNs.Length + 1];
this.VPNs.CopyTo(VPNs, 0);
VPNs[VPNs.Length - 1].Hostname = hostname;
VPNs[VPNs.Length - 1].Username = username;
VPNs[VPNs.Length - 1].Password = password;
this.VPNs = VPNs;
// save change
WriteConfig();
}
