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lldi.go
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lldi.go
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/*
* NETCAP - Traffic Analysis Framework
* Copyright (c) 2017 Philipp Mieden <dreadl0ck [at] protonmail [dot] ch>
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package types
import (
"encoding/hex"
"strconv"
"strings"
)
func (l LinkLayerDiscoveryInfo) CSVHeader() []string {
return filter([]string{
"Timestamp",
"PortDescription",
"SysName",
"SysDescription",
"SysCapabilities",
"MgmtAddress",
"OrgTLVs",
"Unknown",
})
}
func (l LinkLayerDiscoveryInfo) CSVRecord() []string {
var (
tlvs = make([]string, len(l.OrgTLVs))
values = make([]string, len(l.Unknown))
)
for i, v := range l.OrgTLVs {
tlvs[i] = v.ToString()
}
for i, v := range l.Unknown {
values[i] = v.ToString()
}
return filter([]string{
formatTimestamp(l.Timestamp),
l.PortDescription, // string
l.SysName, // string
l.SysDescription, // string
l.SysCapabilities.ToString(), // *LLDPSysCapabilities
l.MgmtAddress.ToString(), // *LLDPMgmtAddress
strings.Join(tlvs, ""), // []*LLDPOrgSpecificTLV
strings.Join(values, ""), // []*LinkLayerDiscoveryValue
})
}
func (l LinkLayerDiscoveryInfo) NetcapTimestamp() string {
return l.Timestamp
}
func (lldsc *LLDPSysCapabilities) ToString() string {
return lldsc.SystemCap.ToString() + lldsc.EnabledCap.ToString()
}
func (lldma *LLDPMgmtAddress) ToString() string {
var b strings.Builder
b.WriteString(formatInt32(lldma.Subtype) + "/") // int32 // byte
b.WriteString(hex.EncodeToString(lldma.Address) + "/") // bytes
b.WriteString(formatInt32(lldma.InterfaceSubtype) + "/") // int32 // byte
b.WriteString(strconv.FormatUint(uint64(lldma.InterfaceNumber), 10) + "/") // uint32
b.WriteString(lldma.OID + "/") // string
return b.String()
}
func (lldst *LLDPOrgSpecificTLV) ToString() string {
var b strings.Builder
b.WriteString(begin)
b.WriteString(strconv.FormatUint(uint64(lldst.OUI), 10))
b.WriteString(formatInt32(lldst.SubType))
b.WriteString(hex.EncodeToString(lldst.Info))
b.WriteString(end)
return b.String()
}
func (lldv *LinkLayerDiscoveryValue) ToString() string {
var b strings.Builder
b.WriteString(begin)
b.WriteString(formatInt32(lldv.Type))
b.WriteString(formatInt32(lldv.Length))
b.WriteString(hex.EncodeToString(lldv.Value))
b.WriteString(end)
return b.String()
}
func (c *LLDPCapabilities) ToString() string {
var b strings.Builder
b.WriteString(begin)
b.WriteString(strconv.FormatBool(c.Other) + "/")
b.WriteString(strconv.FormatBool(c.Repeater) + "/")
b.WriteString(strconv.FormatBool(c.Bridge) + "/")
b.WriteString(strconv.FormatBool(c.WLANAP) + "/")
b.WriteString(strconv.FormatBool(c.Router) + "/")
b.WriteString(strconv.FormatBool(c.Phone) + "/")
b.WriteString(strconv.FormatBool(c.DocSis) + "/")
b.WriteString(strconv.FormatBool(c.StationOnly) + "/")
b.WriteString(strconv.FormatBool(c.CVLAN) + "/")
b.WriteString(strconv.FormatBool(c.SVLAN) + "/")
b.WriteString(strconv.FormatBool(c.TMPR))
b.WriteString(end)
return b.String()
}