internal SSHServerInfo(SSHDataReader reader) {
anti_spoofing_cookie = reader.Read(8); //first 8 bytes are cookie
server_key_bits = reader.ReadInt32();
server_key_public_exponent = reader.ReadMPInt();
server_key_public_modulus = reader.ReadMPInt();
host_key_bits = reader.ReadInt32();
host_key_public_exponent = reader.ReadMPInt();
host_key_public_modulus = reader.ReadMPInt();
}
/// <summary>
/// Create new instance from SSH_FXP_STATUS packet data.
/// </summary>
/// <param name="dataReader">data reader</param>
/// <returns>new instance</returns>
internal static SFTPClientErrorException Create(SSHDataReader dataReader)
{
uint id = (uint)dataReader.ReadInt32();
uint code = (uint)dataReader.ReadInt32();
string message = dataReader.ReadUTF8String();
string languageTag = dataReader.ReadString();
return new SFTPClientErrorException(id, code, message, languageTag);
}
private SFTPFileInfo ReadFileInfo(SSHDataReader dataReader, Encoding encoding)
{
byte[] fileNameData = dataReader.ReadByteString();
string fileName = encoding.GetString(fileNameData);
byte[] longNameData = dataReader.ReadByteString();
string longName = encoding.GetString(longNameData);
SFTPFileAttributes attributes = ReadFileAttributes(dataReader);
return new SFTPFileInfo(fileName, longName, attributes);
}
/// <summary>
/// Create new instance from SSH_FXP_STATUS packet data.
/// </summary>
/// <param name="dataReader">data reader</param>
/// <returns>new instance</returns>
internal static SFTPClientErrorException Create(SSHDataReader dataReader)
{
uint id = (uint)dataReader.ReadInt32();
uint code = (uint)dataReader.ReadInt32();
byte[] messageData = dataReader.ReadString();
string message = Encoding.UTF8.GetString(messageData);
byte[] languageTagData = dataReader.ReadString();
string languageTag = Encoding.ASCII.GetString(languageTagData);
return new SFTPClientErrorException(id, code, message, languageTag);
}
private SFTPFileAttributes ReadFileAttributes(SSHDataReader dataReader)
{
ulong fileSize = 0;
uint uid = 0;
uint gid = 0;
uint permissions = 0666;
uint atime = 0;
uint mtime = 0;
uint flags = (uint)dataReader.ReadInt32();
if ((flags & SSH_FILEXFER_ATTR_SIZE) != 0) {
fileSize = dataReader.ReadUInt64();
}
if ((flags & SSH_FILEXFER_ATTR_UIDGID) != 0) {
uid = dataReader.ReadUInt32();
gid = dataReader.ReadUInt32();
}
if ((flags & SSH_FILEXFER_ATTR_PERMISSIONS) != 0) {
permissions = dataReader.ReadUInt32();
}
if ((flags & SSH_FILEXFER_ATTR_ACMODTIME) != 0) {
atime = dataReader.ReadUInt32();
mtime = dataReader.ReadUInt32();
}
if ((flags & SSH_FILEXFER_ATTR_EXTENDED) != 0) {
int count = dataReader.ReadInt32();
for (int i = 0; i < count; i++) {
dataReader.ReadString(); // extended type
dataReader.ReadString(); // extended data
}
}
return new SFTPFileAttributes(fileSize, uid, gid, permissions, atime, mtime);
}