91 lines
1.8 KiB
Go
91 lines
1.8 KiB
Go
package main
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import (
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"fmt"
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"os"
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"path/filepath"
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"time"
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"git.thisco.de/vbatts/fuzz-walker/walker"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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)
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var (
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dirs = []string{"/sys", "/proc"}
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fuzzTimeout = 500 * time.Millisecond
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walkerPlugins []walker.Fuzzer
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)
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func appInit(c *cli.Context) error {
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matches, err := filepath.Glob(c.String("plugins"))
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if err != nil {
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return err
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}
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for _, match := range matches {
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ff, err := walker.LoadPlugin(match)
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if err != nil {
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return err
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}
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walkerPlugins = append(walkerPlugins, ff)
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}
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return nil
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}
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func main() {
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app := cli.NewApp()
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app.Name = "fuzz-walker"
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app.Usage = "a walker to poke and prod at /proc and /sys"
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app.Before = appInit
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app.Flags = []cli.Flag{
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cli.StringFlag{
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Name: "plugins",
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Value: "*.so",
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Usage: "pattern to glob walker plugins",
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},
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}
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app.Action = func(c *cli.Context) error {
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hasError := false
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for _, dir := range dirs {
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err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if !info.Mode().IsRegular() {
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return nil
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}
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for _, wp := range walkerPlugins {
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if err := wp.Func(path, info, fuzzTimeout); err != nil {
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logrus.Warnf("%s: %q fuzz failed with: %v", path, wp.Name(), err)
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}
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}
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return nil
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})
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if err != nil {
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logrus.Warnf("%s: %v", dir, err)
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hasError = true
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}
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}
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if hasError {
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return fmt.Errorf("errors reported")
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}
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return nil
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}
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app.Run(os.Args)
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}
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func writeNumFuzz(path string, info os.FileInfo, timeout time.Duration) error {
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return nil
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}
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func writeBytesFuzz(path string, info os.FileInfo, timeout time.Duration) error {
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return nil
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}
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func chmodFuzz(path string, info os.FileInfo, timeout time.Duration) error {
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return nil
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}
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// maybe have an ioctl fuzzer
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