39 lines
1.0 KiB
Go
39 lines
1.0 KiB
Go
package protocol
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import (
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"bufio"
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"crypto/sha1"
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"encoding/hex"
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"fmt"
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"github.com/s-rah/onionscan/config"
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"github.com/s-rah/onionscan/report"
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"github.com/s-rah/onionscan/utils"
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)
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type SMTPProtocolScanner struct {
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}
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func (sps *SMTPProtocolScanner) ScanProtocol(hiddenService string, osc *config.OnionscanConfig, report *report.OnionScanReport) {
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// SMTP
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osc.LogInfo(fmt.Sprintf("Checking %s SMTP(25)\n", hiddenService))
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conn, err := utils.GetNetworkConnection(hiddenService, 25, osc.TorProxyAddress, osc.Timeout)
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if err != nil {
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osc.LogInfo("Failed to connect to service on port 25\n")
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report.SMTPDetected = false
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} else {
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// TODO SMTP Checking
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report.SMTPDetected = true
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reader := bufio.NewReader(conn)
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banner, err := reader.ReadString('\n')
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if err == nil {
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report.SMTPBanner = banner
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hash := sha1.Sum([]byte(banner))
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report.SMTPFingerprint = hex.EncodeToString(hash[:])
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osc.LogInfo(fmt.Sprintf("Found SMTP Banner: %s (%s)", banner, report.SMTPFingerprint))
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}
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}
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if conn != nil {
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conn.Close()
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}
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}
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