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This commit is contained in:
simonzhangsz
2023-09-16 19:23:11 +08:00
parent 9c8b4d8dc8
commit de9189bd32
6 changed files with 119 additions and 84 deletions
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99
data2html/data2html.go
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@@ -1,48 +1,51 @@
package main
import (
"flag"
"fmt"
//"os"
"encoding/binary"
"encoding/hex"
"io/ioutil"
"os/exec"
"flag"
"fmt"
"os"
//"os"
"encoding/binary"
"encoding/hex"
"os/exec"
)
const magicMicroseconds = 0xa1b2c3d4
const versionMajor = 2
const versionMinor = 4
func WriteEmptyPcap(filename string, timestamp int64, length int, data []byte) error {
var cooked = [...]byte{0x00,0x00,0x03,0x04,0x00,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x00}
var buf []byte
func WriteEmptyPcap(filename string, timestamp int64, length int, data []byte) error {
var cooked = [...]byte{0x00, 0x00, 0x03, 0x04, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00}
var buf []byte
//24+16+16 = 56
buf = make([]byte, 56+length)
binary.LittleEndian.PutUint32(buf[0:4], magicMicroseconds)
binary.LittleEndian.PutUint16(buf[4:6], versionMajor)
binary.LittleEndian.PutUint16(buf[6:8], versionMinor)
// bytes 8:12 stay 0 (timezone = UTC)
// bytes 12:16 stay 0 (sigfigs is always set to zero, according to
// http://wiki.wireshark.org/Development/LibpcapFileFormat
binary.LittleEndian.PutUint32(buf[16:20], 0x00040000)
binary.LittleEndian.PutUint32(buf[20:24], 0x00000071)
binary.LittleEndian.PutUint32(buf[0:4], magicMicroseconds)
binary.LittleEndian.PutUint16(buf[4:6], versionMajor)
binary.LittleEndian.PutUint16(buf[6:8], versionMinor)
// bytes 8:12 stay 0 (timezone = UTC)
// bytes 12:16 stay 0 (sigfigs is always set to zero, according to
// http://wiki.wireshark.org/Development/LibpcapFileFormat
binary.LittleEndian.PutUint32(buf[16:20], 0x00040000)
binary.LittleEndian.PutUint32(buf[20:24], 0x00000071)
// Packet Header
binary.LittleEndian.PutUint64(buf[24:32], uint64(timestamp))
binary.LittleEndian.PutUint32(buf[32:36], uint32(length+16))
binary.LittleEndian.PutUint32(buf[36:40], uint32(length+16))
copy(buf[40:], cooked[:])
copy(buf[56:], data[:])
err := ioutil.WriteFile(filename, buf[:], 0644)
err := os.WriteFile(filename, buf[:], 0644)
//fmt.Printf("CAP: %v\n", buf)
return err
return err
}
//tshark -r gtp.pcap -T json -d tcp.port==8080,http2 -Y "http2"
// tshark -r gtp.pcap -T json -d tcp.port==8080,http2 -Y "http2"
func execTshark(html string, filename string, proto string, port int) {
var tshark *exec.Cmd
var sharkCmd string
@@ -51,10 +54,10 @@ func execTshark(html string, filename string, proto string, port int) {
dataPort := fmt.Sprintf("tcp.port==%d,http2", port)
if proto == "http2" {
//tshark = exec.Command("tshark", "-r"+pcapPath,
// "-Y"+proto,
// "-Y"+proto,
// "-d"+dataPort,
// "-T", "pdml")
sharkCmd = fmt.Sprintf("tshark -r %s -T pdml -d tcp.port==%d,http2 -Y \"%s\" > %s.pdml", pcapPath, dataPort, proto, pcapPath)
// "-T", "pdml")
sharkCmd = fmt.Sprintf("tshark -r %s -T pdml -d tcp.port==%s,http2 -Y \"%s\" > %s.pdml", pcapPath, dataPort, proto, pcapPath)
tshark = exec.Command("sh", "-c", sharkCmd)
} else {
//tshark = exec.Command("tshark", "-r"+pcapPath,
@@ -71,30 +74,30 @@ func execTshark(html string, filename string, proto string, port int) {
pdmlFile := fmt.Sprintf("%s.pdml", filename)
//err1 := os.WriteFile(pdmlFile, []byte(out), 0666)
//if err1 != nil {
// fmt.Println("write html failed")
//}else {
//xsltproc pdml2html.xsl ngap.pdml > /home/agtuser/ngap.html
command := fmt.Sprintf("xsltproc /usr/lib64/pdml2html.xsl %s > %s", pdmlFile, html)
dest := exec.Command("sh", "-c", command)
_, err2 := dest.Output()
if err2 != nil {
fmt.Println("Error:", err2, command)
}
//if err1 != nil {
// fmt.Println("write html failed")
//}else {
//xsltproc pdml2html.xsl ngap.pdml > /home/agtuser/ngap.html
command := fmt.Sprintf("xsltproc /usr/lib64/pdml2html.xsl %s > %s", pdmlFile, html)
dest := exec.Command("sh", "-c", command)
_, err2 := dest.Output()
if err2 != nil {
fmt.Println("Error:", err2, command)
}
//}
}
}
func ipDataHandle(html string, iftype string, port int, timestamp int64, data []byte) int {
var filePath, proto string
if iftype == "N2" || iftype == "N1" {
filePath = fmt.Sprintf("/tmp/ng%d.pcap", timestamp)
proto = "ngap"
}else if iftype == "N4" {
} else if iftype == "N4" {
filePath = fmt.Sprintf("/tmp/pf%d.pcap", timestamp)
proto = "pfcp"
}else {
} else {
filePath = fmt.Sprintf("/tmp/hp%d.pcap", timestamp)
proto = "http2"
}
@@ -102,7 +105,7 @@ func ipDataHandle(html string, iftype string, port int, timestamp int64, data []
err := WriteEmptyPcap(filePath, timestamp, len(data), data)
if err != nil {
fmt.Printf("tshark failed with %s\n", err)
} else {
execTshark(html, filePath, proto, port)
}
@@ -114,14 +117,14 @@ func main() {
var timestamp int64
var port int
flag.Int64Var(&timestamp,"t",0,"timestamp")
flag.StringVar(&iftype,"i","","interface type")
flag.IntVar(&port,"p",0,"data port")
flag.StringVar(&ipdata,"d","","ip packet data")
flag.StringVar(&html,"f","","html file path")
flag.Int64Var(&timestamp, "t", 0, "timestamp")
flag.StringVar(&iftype, "i", "", "interface type")
flag.IntVar(&port, "p", 0, "data port")
flag.StringVar(&ipdata, "d", "", "ip packet data")
flag.StringVar(&html, "f", "", "html file path")
flag.Parse()
ds, err := hex.DecodeString(ipdata)
if err != nil {