52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
package protocol
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import (
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"crypto/md5"
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"errors"
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"fmt"
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"github.com/s-rah/onionscan/report"
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"golang.org/x/crypto/ssh"
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"h12.me/socks"
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"log"
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"net"
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)
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type SSHProtocolScanner struct {
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}
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func (sps *SSHProtocolScanner) ScanProtocol(hiddenService string, os *ProtocolConfig, report *report.OnionScanReport) {
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// SSH
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log.Printf("Checking %s ssh(22)\n", hiddenService)
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conn, err := socks.DialSocksProxy(socks.SOCKS5, os.TorProxyAddress)("", hiddenService+":22")
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if err != nil {
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log.Printf("Failed to connect to service on port 22\n")
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} else {
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// TODO SSH Checking
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report.SSHDetected = true
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config := &ssh.ClientConfig{
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HostKeyCallback: func(hostname string, addr net.Addr, key ssh.PublicKey) error {
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h := md5.New()
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h.Write(key.Marshal())
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fBytes := h.Sum(nil)
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fingerprint := string("")
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for i := 0; i < len(fBytes); i++ {
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if i+1 != len(fBytes) {
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fingerprint = fmt.Sprintf("%s%0.2x:", fingerprint, fBytes[i])
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} else {
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fingerprint = fmt.Sprintf("%s%0.2x", fingerprint, fBytes[i])
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}
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}
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report.SSHKey = fingerprint
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log.Printf("Found SSH Key %s\n", fingerprint)
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// We don't want to continue
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return errors.New("error")
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},
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}
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ssh.NewClientConn(conn, hiddenService+":22", config)
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}
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}
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