forked from 17-12-20-ll/googleplay
/
mitmproxy-cert.go
73 lines (69 loc) · 1.66 KB
/
mitmproxy-cert.go
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package main
import (
"crypto/md5"
"crypto/x509"
"encoding/hex"
"encoding/pem"
"flag"
"fmt"
"os"
"os/exec"
"path/filepath"
)
const (
data = "/data/local/tmp/cacerts"
system = "/system/etc/security/cacerts"
)
// outputs the MD5 "hash" of the certificate subject name
func subjectHash(buf []byte) ([]byte, error) {
block, _ := pem.Decode(buf)
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
return nil, err
}
md := md5.Sum(cert.RawSubject)
return []byte{md[3], md[2], md[1], md[0]}, nil
}
func main() {
home, err := os.UserHomeDir()
if err != nil {
panic(err)
}
var cert string
flag.StringVar(
&cert,
"c",
filepath.Join(home, "/.mitmproxy/mitmproxy-ca-cert.cer"),
"certificate",
)
flag.Parse()
buf, err := os.ReadFile(cert)
if err != nil {
panic(err)
}
hash, err := subjectHash(buf)
if err != nil {
panic(err)
}
push := hex.EncodeToString(hash) + ".0"
commands := [][]string{
{"adb", "shell", "mkdir", "-p", data},
{"adb", "shell", "cp", system + "/*", data},
{"adb", "push", cert, data + "/" + push},
{"adb", "root"},
{"adb", "wait-for-device"},
{"adb", "shell", "mount", "-t", "tmpfs", "tmpfs", system},
{"adb", "shell", "mv", data + "/*", system},
{"adb", "shell", "chcon", "u:object_r:system_file:s0", system + "/*"},
}
for _, command := range commands {
cmd := exec.Command(command[0], command[1:]...)
cmd.Stderr = os.Stderr
cmd.Stdout = os.Stdout
fmt.Println(cmd.Args)
err := cmd.Run()
if err != nil {
panic(err)
}
}
}