nuclei/pkg/js/libs/vnc/vnc.go
Tarun Koyalwar dc44105baf
nuclei v3 : misc updates (#4247)
* use parsed options while signing

* update project layout to v3

* fix .gitignore

* remove example template

* misc updates

* bump tlsx version

* hide template sig warning with env

* js: retain value while using log

* fix nil pointer derefernce

* misc doc update

---------

Co-authored-by: sandeep <8293321+ehsandeep@users.noreply.github.com>
2023-10-17 17:44:13 +05:30

48 lines
1.1 KiB
Go

package vnc
import (
"context"
"net"
"strconv"
"time"
"github.com/praetorian-inc/fingerprintx/pkg/plugins"
"github.com/praetorian-inc/fingerprintx/pkg/plugins/services/vnc"
"github.com/projectdiscovery/nuclei/v3/pkg/protocols/common/protocolstate"
)
// VNCClient is a minimal VNC client for nuclei scripts.
type VNCClient struct{}
// IsVNCResponse is the response from the IsVNC function.
type IsVNCResponse struct {
IsVNC bool
Banner string
}
// IsVNC checks if a host is running a VNC server.
// It returns a boolean indicating if the host is running a VNC server
// and the banner of the VNC server.
func (c *VNCClient) IsVNC(host string, port int) (IsVNCResponse, error) {
resp := IsVNCResponse{}
timeout := 5 * time.Second
conn, err := protocolstate.Dialer.Dial(context.TODO(), "tcp", net.JoinHostPort(host, strconv.Itoa(port)))
if err != nil {
return resp, err
}
defer conn.Close()
vncPlugin := vnc.VNCPlugin{}
service, err := vncPlugin.Run(conn, timeout, plugins.Target{Host: host})
if err != nil {
return resp, err
}
if service == nil {
return resp, nil
}
resp.Banner = service.Version
resp.IsVNC = true
return resp, nil
}