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2 changes: 1 addition & 1 deletion .github/workflows/release.yml
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ jobs:
release:
strategy:
matrix:
frida_version: ["16.6.6"]
frida_version: ["17.0.4"]
runs-on: macos-latest
steps:
-
Expand Down
6 changes: 5 additions & 1 deletion .gitignore
Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,8 @@ go.work
.LSOverride

# Icon must end with two \r
Icon
Icon


# Thumbnails
._*
Expand All @@ -72,3 +73,6 @@ Temporary Items
*.icloud

# End of https://www.toptal.com/developers/gitignore/api/go,macos,git

.vscode
gxpc
2 changes: 1 addition & 1 deletion go.mod
Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ go 1.20

require (
github.com/fatih/color v1.18.0
github.com/frida/frida-go v0.12.1
github.com/frida/frida-go v0.13.0
github.com/spf13/cobra v1.9.1
)

Expand Down
4 changes: 2 additions & 2 deletions go.sum
Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
github.com/frida/frida-go v0.12.1 h1:dHOdJU3wuQkvlb7Lan0RFSm0lpCJH6cW8IbYOxt9C0E=
github.com/frida/frida-go v0.12.1/go.mod h1:OyRIp58wuTcGggI6ztakXcHkTXrt5WfD9yi3pq6QyGw=
github.com/frida/frida-go v0.13.0 h1:ocEnnj3+87EXrxRXaFPCCT/WxoDvwFW+wPEFx6IfEEQ=
github.com/frida/frida-go v0.13.0/go.mod h1:O8Dg1YBGfQsBEL1a8x3GURw/JllJrcuvg78ga2OgdM4=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
Expand Down
8 changes: 4 additions & 4 deletions logger.go
Original file line number Diff line number Diff line change
Expand Up @@ -28,10 +28,10 @@ type Logger struct {

func NewLogger() *Logger {
return &Logger{
infoLogger: log.New(os.Stdout, infoColor.Sprintf("%s ", "⚡"), 0),
warnLogger: log.New(os.Stdout, warnColor.Sprintf("%s ", "⚠"), 0),
errorLogger: log.New(os.Stderr, errorColor.Sprintf("%s ", "❗️"), 0),
fatalLogger: log.New(os.Stderr, fatalColor.Sprintf("%s ", "⛔️"), 0),
infoLogger: log.New(os.Stdout, infoColor.Sprintf("%s ", "⚡"), log.Ldate|log.Ltime),
warnLogger: log.New(os.Stdout, warnColor.Sprintf("%s ", "⚠"), log.Ldate|log.Ltime),
errorLogger: log.New(os.Stderr, errorColor.Sprintf("%s ", "❗️"), log.Ldate|log.Ltime),
fatalLogger: log.New(os.Stderr, fatalColor.Sprintf("%s ", "⛔️"), log.Ldate|log.Ltime),
scriptLogger: log.New(os.Stdout, scriptColor.Sprintf("%s ", "✅"), 0),
}
}
Expand Down
210 changes: 197 additions & 13 deletions main.go
Original file line number Diff line number Diff line change
Expand Up @@ -6,19 +6,38 @@ import (
"encoding/json"
"errors"
"fmt"
"github.com/frida/frida-go/frida"
"github.com/spf13/cobra"
"os"
"os/exec"
"os/signal"
"path/filepath"
"regexp"
"strings"
"sync"
"sync"
"syscall"

"github.com/frida/frida-go/frida"
"github.com/spf13/cobra"
)

//go:embed script.js
var scContent string
const (
agentFilename = "_agent.js"
)

//go:embed script.ts
var scriptContent []byte

//go:embed package.json
var packageJSON []byte

//go:embed package-lock.json
var packageLockJSON []byte

var tempFiles = map[string][]byte{
"script.ts": scriptContent,
"package.json": packageJSON,
"package-lock.json": packageLockJSON,
}

var Version string

Expand Down Expand Up @@ -71,6 +90,16 @@ var rootCmd = &cobra.Command{
return err
}

spawnGate, err := cmd.Flags().GetString("spawn")
if err != nil {
return err
}

spawnGate, err := cmd.Flags().GetString("spawn")
if err != nil {
return err
}

if output != "" {
if err := logger.SetOutput(output); err != nil {
return err
Expand Down Expand Up @@ -114,12 +143,54 @@ var rootCmd = &cobra.Command{
}
}

/*
Because the signal handler is broken, we deactivate spawn gating when not used
*/

/*
Because the signal handler is broken, we deactivate spawn gating when not used
*/

if dev == nil {
return errors.New("could not obtain specified device")
}
defer dev.Clean()
logger.Infof("Using device %s (%s)", dev.Name(), dev.ID())

file, err := cmd.Flags().GetString("file")
if err != nil {
return err
}

// if spawnGate != "" {
// if err := dev.EnableSpawnGating(); err != nil {
// return err
// }
// logger.Infof("Enable spawn gating")
// } else {
// if err := dev.DisableSpawnGating(); err != nil {
// return err
// }
// logger.Infof("Disable spawn gating")
// }

file, err := cmd.Flags().GetString("file")
if err != nil {
return err
}

// if spawnGate != "" {
// if err := dev.EnableSpawnGating(); err != nil {
// return err
// }
// logger.Infof("Enable spawn gating")
// } else {
// if err := dev.DisableSpawnGating(); err != nil {
// return err
// }
// logger.Infof("Disable spawn gating")
// }

procPid := pid

if pid == -1 && procName != "" {
Expand All @@ -136,12 +207,8 @@ var rootCmd = &cobra.Command{
}
}

file, err := cmd.Flags().GetString("file")
if err != nil {
return err
}

if procPid == -1 && file == "" {
if procPid == -1 && file == "" && spawnGate == "" {
if procPid == -1 && file == "" && spawnGate == "" {
return errors.New("missing pid, name or file to spawn")
}

Expand All @@ -152,6 +219,58 @@ var rootCmd = &cobra.Command{
if err != nil {
return err
}
} else if spawnGate != "" {
lock := sync.Mutex{}
lock.Lock()

dev.On("spawn-added", func(spawn *frida.Spawn) {
logger.Infof("%d", spawn.PID())
if spawn.Identifier() == spawnGate {
procPid = spawn.PID()
lock.Unlock()
} else {
logger.Infof("Ignore Spawn(pid=%d, identifier=%s)", spawn.PID(), spawn.Identifier())
}
spawn.Clean()
})
lock.Lock()

session, err = dev.Attach(procPid, nil)

if err != nil {
return err
}

if err := dev.DisableSpawnGating(); err != nil {
return err
}

} else if spawnGate != "" {
lock := sync.Mutex{}
lock.Lock()

dev.On("spawn-added", func(spawn *frida.Spawn) {
logger.Infof("%d", spawn.PID())
if spawn.Identifier() == spawnGate {
procPid = spawn.PID()
lock.Unlock()
} else {
logger.Infof("Ignore Spawn(pid=%d, identifier=%s)", spawn.PID(), spawn.Identifier())
}
spawn.Clean()
})
lock.Lock()

session, err = dev.Attach(procPid, nil)

if err != nil {
return err
}

if err := dev.DisableSpawnGating(); err != nil {
return err
}

} else {
opts := frida.NewSpawnOptions()
argv := make([]string, len(args)+1)
Expand All @@ -175,7 +294,8 @@ var rootCmd = &cobra.Command{

logger.Infof("Attached to the process with PID => %d", procPid)

detached := make(chan struct{})
detached := make(chan struct{}, 1)
detached := make(chan struct{}, 1)

session.On("detached", func(reason frida.SessionDetachReason, crash *frida.Crash) {
logger.Errorf("Session detached: %s: %v", reason.String(), crash)
Expand All @@ -185,7 +305,67 @@ var rootCmd = &cobra.Command{
detached <- struct{}{}
})

script, err := session.CreateScript(scContent)
// Create temp files
tempDir := filepath.Join(os.TempDir(), "gxpc")

os.MkdirAll(tempDir, os.ModePerm)

if _, err = os.Stat(filepath.Join(tempDir, "script.ts")); os.IsNotExist(err) {
for fl, data := range tempFiles {
os.WriteFile(filepath.Join(tempDir, fl), data, os.ModePerm)
}
}

if _, err = os.Stat(filepath.Join(tempDir, "node_modules")); os.IsNotExist(err) {
// Install modules
pwd, _ := os.Getwd()
os.Chdir(tempDir)
command := exec.Command("npm", "install")
if err := command.Run(); err != nil {
logger.Errorf("Error installing modules: %v", err)
}
os.Chdir(pwd)
}

agentPath := filepath.Join(tempDir, agentFilename)
var scriptBody string

// check if we have script.ts already compiled
if _, err = os.Stat(agentPath); os.IsNotExist(err) {
comp := frida.NewCompiler()

comp.On("finished", func() {
logger.Infof("Done compiling script")
})

comp.On("diagnostics", func(diag string) {
logger.Errorf("compilation error: %v", diag)
})

buildOptions := frida.NewCompilerOptions()
buildOptions.SetProjectRoot(tempDir)
buildOptions.SetJSCompression(frida.JSCompressionTerser)
buildOptions.SetSourceMaps(frida.SourceMapsOmitted)

bundle, err := comp.Build("script.ts", buildOptions)
if err != nil {
return fmt.Errorf("error compiling script: %v", err)
}

if err := os.WriteFile(agentPath, []byte(bundle), os.ModePerm); err != nil {
return fmt.Errorf("error saving agent script: %v", err)
}

scriptBody = bundle
} else {
data, err := os.ReadFile(agentPath)
if err != nil {
return fmt.Errorf("error reading agent script: %v", err)
}
scriptBody = string(data)
}

script, err := session.CreateScript(scriptBody)
if err != nil {
return err
}
Expand Down Expand Up @@ -301,7 +481,9 @@ var rootCmd = &cobra.Command{
_ = script.ExportsCall("setup", offsets)
}

c := make(chan os.Signal)
logger.Infof("Finished setup")

c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)

select {
Expand Down Expand Up @@ -366,6 +548,8 @@ func setupFlags() {
rootCmd.Flags().StringP("name", "n", "", "process name")
rootCmd.Flags().StringP("file", "f", "", "spawn the file")
rootCmd.Flags().StringP("output", "o", "", "save output to this file")
rootCmd.Flags().StringP("spawn", "W", "", "spawn gate")
rootCmd.Flags().StringP("spawn", "W", "", "spawn gate")

rootCmd.Flags().StringP("config", "c", "", "path to gxpc.conf file; default user home directory")

Expand Down
22 changes: 22 additions & 0 deletions package-lock.json

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

14 changes: 14 additions & 0 deletions package.json
Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
{
"name": "gxpc",
"version": "1.0.0",
"type": "module",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"description": "",
"dependencies": {
"frida-objc-bridge": "^8.0.4"
}
}
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