mirror of https://github.com/daffainfo/nuclei.git
46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package telnet
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import (
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"context"
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"net"
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"strconv"
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"time"
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"github.com/praetorian-inc/fingerprintx/pkg/plugins"
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"github.com/praetorian-inc/fingerprintx/pkg/plugins/services/telnet"
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"github.com/projectdiscovery/nuclei/v3/pkg/protocols/common/protocolstate"
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)
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// TelnetClient is a minimal Telnet client for nuclei scripts.
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type TelnetClient struct{}
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// IsTelnetResponse is the response from the IsTelnet function.
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type IsTelnetResponse struct {
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IsTelnet bool
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Banner string
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}
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// IsTelnet checks if a host is running a Telnet server.
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func (c *TelnetClient) IsTelnet(host string, port int) (IsTelnetResponse, error) {
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resp := IsTelnetResponse{}
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timeout := 5 * time.Second
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conn, err := protocolstate.Dialer.Dial(context.TODO(), "tcp", net.JoinHostPort(host, strconv.Itoa(port)))
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if err != nil {
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return resp, err
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}
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defer conn.Close()
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telnetPlugin := telnet.TELNETPlugin{}
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service, err := telnetPlugin.Run(conn, timeout, plugins.Target{Host: host})
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if err != nil {
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return resp, err
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}
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if service == nil {
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return resp, nil
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}
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resp.Banner = service.Metadata().(plugins.ServiceTelnet).ServerData
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resp.IsTelnet = true
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return resp, nil
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}
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