/// <summary>
/// Fire the invalid SSL certificate event
/// </summary>
public void OnInvalidSslCerticate(FtpChannel c, InvalidCertificateInfo e)
{
if (this._onBadCert != null)
{
this._onBadCert(c, e);
}
}
/// <summary>
/// Upon the initial connection, we will be presented with a banner and status
/// </summary>
void OnChannelConnected(FtpChannel c)
{
if (this.SslMode == FtpSslMode.Implicit)
{
// The connection should already be encrypted
// so authenticate the connection and then
// try to read the initial greeting.
this.AuthenticateConnection();
}
if (!this.ReadResponse())
{
this.Disconnect();
throw new FtpCommandException(this);
}
if (this.SslMode == FtpSslMode.Explicit)
{
if (this.Execute("AUTH TLS") || this.Execute("AUTH SSL"))
{
this.AuthenticateConnection();
}
else if (this._secNotAvailable != null)
{
FtpSecurityNotAvailable secna = new FtpSecurityNotAvailable(this);
this._secNotAvailable(secna);
if (secna.Cancel)
{
throw new FtpCommandException(this);
}
}
}
if (this.SslEnabled && this.DataChannelEncryption)
{
if (!this.Execute("PBSZ 0"))
{
// do nothing? some severs don't even
// care if you execute PBSZ however rfc 4217
// says that PBSZ is required if you want
// data channel security.
//throw new FtpCommandException(this);
#if DEBUG
System.Diagnostics.Debug.WriteLine("PBSZ ERROR: " + this.ResponseMessage);
#endif
}
if (!this.Execute("PROT P")) // turn on data channel protection.
{
throw new FtpCommandException(this);
}
}
this.Capabilities = FtpCapability.EMPTY;
}
/// <summary>
/// Iniatlizes the object
/// </summary>
/// <param name="c">The ftp channel this object is associated with. Could
/// be FtpControlConnection or FtpDataChannel</param>
public InvalidCertificateInfo(FtpChannel c) {
this.SslPolicyErrors = c.SslPolicyErrors;
this.SslCertificate = c.SslCertificate;
}
void OnInvalidCertficate(FtpChannel c, InvalidCertificateInfo e)
{
// we don't care if a certificate is invalid
e.Ignore = true;
}
/// <summary>
/// Iniatlizes the object
/// </summary>
/// <param name="c">The ftp channel this object is associated with. Could
/// be FtpControlConnection or FtpDataChannel</param>
public InvalidCertificateInfo(FtpChannel c)
{
this.SslPolicyErrors = c.SslPolicyErrors;
this.SslCertificate = c.SslCertificate;
}
/// <summary>
/// This is the ConnectionReady event handler. It performs the FTP login
/// if a connection to the server has been made.
/// </summary>
void Login(FtpChannel c) {
this.LockControlConnection();
try {
if (this.Username != null) {
// there's no reason to pipeline here if the password is null
if (this.EnablePipelining && this.Password != null) {
FtpCommandResult[] res = this.Execute(new string[] {
string.Format("USER {0}", this.Username),
string.Format("PASS {0}", this.Password)
});
foreach (FtpCommandResult r in res) {
if (!r.ResponseStatus) {
throw new FtpCommandException(r.ResponseCode, r.ResponseMessage);
}
}
}
else {
if (!this.Execute("USER {0}", this.Username)) {
throw new FtpCommandException(this);
}
if (this.ResponseType == FtpResponseType.PositiveIntermediate) {
if (this.Password == null) {
throw new FtpException("The server is asking for a password but it has been set.");
}
if (!this.Execute("PASS {0}", this.Password)) {
throw new FtpCommandException(this);
}
}
}
}
}
finally {
this.UnlockControlConnection();
}
}
/// <summary>
/// Fire the invalid SSL certificate event
/// </summary>
public void OnInvalidSslCerticate(FtpChannel c, InvalidCertificateInfo e) {
if (this._onBadCert != null) {
this._onBadCert(c, e);
}
}
/// <summary>
/// Upon the initial connection, we will be presented with a banner and status
/// </summary>
void OnChannelConnected(FtpChannel c) {
if (this.SslMode == FtpSslMode.Implicit) {
// The connection should already be encrypted
// so authenticate the connection and then
// try to read the initial greeting.
this.AuthenticateConnection();
}
if (!this.ReadResponse()) {
this.Disconnect();
throw new FtpCommandException(this);
}
if (this.SslMode == FtpSslMode.Explicit) {
if (this.Execute("AUTH TLS") || this.Execute("AUTH SSL")) {
this.AuthenticateConnection();
}
else if (this._secNotAvailable != null) {
FtpSecurityNotAvailable secna = new FtpSecurityNotAvailable(this);
this._secNotAvailable(secna);
if (secna.Cancel) {
throw new FtpCommandException(this);
}
}
}
if (this.SslEnabled && this.DataChannelEncryption) {
if (!this.Execute("PBSZ 0")) {
// do nothing? some severs don't even
// care if you execute PBSZ however rfc 4217
// says that PBSZ is required if you want
// data channel security.
//throw new FtpCommandException(this);
#if DEBUG
System.Diagnostics.Debug.WriteLine("PBSZ ERROR: " + this.ResponseMessage);
#endif
}
if (!this.Execute("PROT P")) { // turn on data channel protection.
throw new FtpCommandException(this);
}
}
this.Capabilities = FtpCapability.EMPTY;
}
