func SetupFTPS(logStruct *FTPLog, connection net.Conn) (bool, error) {
buffer := make([]byte, 1024)
connection.Write([]byte("AUTH TLS\r\n"))
respLen, err := util.ReadUntilRegex(connection, buffer, ftpEndRegex)
if err != nil {
return false, err
}
logStruct.AuthTLSResp = string(buffer[0:respLen])
retCode := ftpEndRegex.FindStringSubmatch(logStruct.AuthTLSResp)[1]
if strings.HasPrefix(retCode, "2") {
return true, nil
} else {
connection.Write([]byte("AUTH SSL\r\n"))
respLen, err := util.ReadUntilRegex(connection, buffer, ftpEndRegex)
if err != nil {
return false, err
}
logStruct.AuthSSLResp = string(buffer[0:respLen])
retCode := ftpEndRegex.FindStringSubmatch(logStruct.AuthSSLResp)[1]
if strings.HasPrefix(retCode, "2") {
return true, nil
}
}
return false, nil
}
func GetFTPBanner(logStruct *FTPLog, connection net.Conn) (bool, error) {
buffer := make([]byte, 1024)
respLen, err := util.ReadUntilRegex(connection, buffer, ftpEndRegex)
logStruct.Banner = string(buffer[0:respLen])
if err != nil {
return false, err
}
retCode := ftpEndRegex.FindStringSubmatch(logStruct.Banner)[1]
return strings.HasPrefix(retCode, "2"), nil
}
func (c *Conn) readImapStatusResponse(res []byte) (int, error) {
return util.ReadUntilRegex(c.getUnderlyingConn(), res, imapStatusEndRegex)
}
func (c *Conn) readPop3Response(res []byte) (int, error) {
return util.ReadUntilRegex(c.getUnderlyingConn(), res, pop3EndRegex)
}