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Move config types to submodule

master
dump_stack() 4 years ago
parent 075998a95f
commit bacee99c7c

@ -11,9 +11,11 @@ import (
"os/user"
kingpin "gopkg.in/alecthomas/kingpin.v2"
config "github.com/jollheef/out-of-tree/config"
)
func kernelListHandler(kcfg kernelConfig) (err error) {
func kernelListHandler(kcfg config.KernelConfig) (err error) {
for _, kernel := range kcfg.Kernels {
fmt.Println(kernel.DistroType, kernel.DistroRelease,
kernel.KernelRelease)
@ -67,7 +69,7 @@ func main() {
kingpin.MustParse(app.Parse(os.Args[1:]))
kcfg, err := readKernelConfig(*kcfgPath)
kcfg, err := config.ReadKernelConfig(*kcfgPath)
if err != nil {
log.Fatalln(err)
}

216
pew.go

@ -12,141 +12,25 @@ import (
"math/rand"
"os"
"os/exec"
"regexp"
"runtime"
"strings"
"time"
"github.com/logrusorgru/aurora"
"github.com/naoina/toml"
"github.com/otiai10/copy"
"github.com/remeh/sizedwaitgroup"
config "github.com/jollheef/out-of-tree/config"
qemu "github.com/jollheef/out-of-tree/qemu"
)
type kernelMask struct {
DistroType distroType
DistroRelease string // 18.04/7.4.1708/9.1
ReleaseMask string
}
type artifactType int
const (
KernelModule artifactType = iota
KernelExploit
)
func (at artifactType) String() string {
return [...]string{"module", "exploit"}[at]
}
func (at *artifactType) UnmarshalTOML(data []byte) (err error) {
stype := strings.Trim(string(data), `"`)
stypelower := strings.ToLower(stype)
if strings.Contains(stypelower, "module") {
*at = KernelModule
} else if strings.Contains(stypelower, "exploit") {
*at = KernelExploit
} else {
err = errors.New(fmt.Sprintf("Type %s is unsupported", stype))
}
return
}
type artifact struct {
Name string
Type artifactType
SourcePath string
SupportedKernels []kernelMask
}
func (ka artifact) checkSupport(ki kernelInfo, km kernelMask) (
supported bool, err error) {
if ki.DistroType != km.DistroType {
supported = false
return
}
// DistroRelease is optional
if km.DistroRelease != "" && ki.DistroRelease != km.DistroRelease {
supported = false
return
}
supported, err = regexp.MatchString(km.ReleaseMask, ki.KernelRelease)
return
}
func (ka artifact) Supported(ki kernelInfo) (supported bool, err error) {
for _, km := range ka.SupportedKernels {
supported, err = ka.checkSupport(ki, km)
if supported {
break
}
}
return
}
type distroType int
const (
Ubuntu distroType = iota
CentOS
Debian
)
var distroTypeStrings = [...]string{"Ubuntu", "CentOS", "Debian"}
func newDistroType(dType string) (dt distroType, err error) {
err = dt.UnmarshalTOML([]byte(dType))
return
}
func (dt distroType) String() string {
return distroTypeStrings[dt]
}
func (dt *distroType) UnmarshalTOML(data []byte) (err error) {
sDistro := strings.Trim(string(data), `"`)
if strings.EqualFold(sDistro, "Ubuntu") {
*dt = Ubuntu
} else if strings.EqualFold(sDistro, "CentOS") {
*dt = CentOS
} else if strings.EqualFold(sDistro, "Debian") {
*dt = Debian
} else {
err = errors.New(fmt.Sprintf("Distro %s is unsupported", sDistro))
}
return
}
type kernelInfo struct {
DistroType distroType
DistroRelease string // 18.04/7.4.1708/9.1
// Must be *exactly* same as in `uname -r`
KernelRelease string
// Build-time information
ContainerName string
// Runtime information
KernelPath string
InitrdPath string
RootFS string
}
func dockerCommand(container, workdir, timeout, command string) *exec.Cmd {
return exec.Command("timeout", "-k", timeout, timeout, "docker", "run",
"-v", workdir+":/work", container,
"bash", "-c", "cd /work && "+command)
}
func build(tmp string, ka artifact, ki kernelInfo,
func build(tmp string, ka config.Artifact, ki config.KernelInfo,
dockerTimeout time.Duration) (outPath, output string, err error) {
target := fmt.Sprintf("%d_%s", rand.Int(), ki.KernelRelease)
@ -159,7 +43,7 @@ func build(tmp string, ka artifact, ki kernelInfo,
}
outPath = tmpSourcePath + "/" + target
if ka.Type == KernelModule {
if ka.Type == config.KernelModule {
outPath += ".ko"
}
@ -195,13 +79,17 @@ func cleanDmesg(q *qemu.QemuSystem) (err error) {
return
}
func testKernelModule(q *qemu.QemuSystem, ka artifact, test string) (output string, err error) {
func testKernelModule(q *qemu.QemuSystem, ka config.Artifact,
test string) (output string, err error) {
output, err = q.Command("root", test)
// TODO generic checks for WARNING's and so on
return
}
func testKernelExploit(q *qemu.QemuSystem, ka artifact, test, exploit string) (output string, err error) {
func testKernelExploit(q *qemu.QemuSystem, ka config.Artifact,
test, exploit string) (output string, err error) {
output, err = q.Command("user", "chmod +x "+exploit)
if err != nil {
return
@ -233,12 +121,14 @@ func genOkFail(name string, ok bool) aurora.Value {
}
}
func dumpResult(q *qemu.QemuSystem, ka artifact, ki kernelInfo, build_ok, run_ok, test_ok *bool) {
func dumpResult(q *qemu.QemuSystem, ka config.Artifact, ki config.KernelInfo,
build_ok, run_ok, test_ok *bool) {
distroInfo := fmt.Sprintf("%s-%s {%s}", ki.DistroType,
ki.DistroRelease, ki.KernelRelease)
colored := ""
if ka.Type == KernelExploit {
if ka.Type == config.KernelExploit {
colored = aurora.Sprintf("[*] %40s: %s %s", distroInfo,
genOkFail("BUILD", *build_ok),
genOkFail("LPE", *test_ok))
@ -263,8 +153,8 @@ func dumpResult(q *qemu.QemuSystem, ka artifact, ki kernelInfo, build_ok, run_ok
}
}
func whatever(swg *sizedwaitgroup.SizedWaitGroup, ka artifact, ki kernelInfo,
binaryPath, testPath string,
func whatever(swg *sizedwaitgroup.SizedWaitGroup, ka config.Artifact,
ki config.KernelInfo, binaryPath, testPath string,
qemuTimeout, dockerTimeout time.Duration) {
defer swg.Done()
@ -329,7 +219,7 @@ func whatever(swg *sizedwaitgroup.SizedWaitGroup, ka artifact, ki kernelInfo,
return
}
if ka.Type == KernelModule {
if ka.Type == config.KernelModule {
// TODO Write insmod log to file or database
output, err := q.CopyAndInsmod(outFile)
if err != nil {
@ -345,7 +235,7 @@ func whatever(swg *sizedwaitgroup.SizedWaitGroup, ka artifact, ki kernelInfo,
return
}
test_ok = true
} else if ka.Type == KernelExploit {
} else if ka.Type == config.KernelExploit {
remoteExploit := fmt.Sprintf("/tmp/exploit_%d", rand.Int())
err = q.CopyFile("user", outFile, remoteExploit)
if err != nil {
@ -366,51 +256,8 @@ func whatever(swg *sizedwaitgroup.SizedWaitGroup, ka artifact, ki kernelInfo,
return
}
type kernelConfig struct {
Kernels []kernelInfo
}
func readFileAll(path string) (buf []byte, err error) {
f, err := os.Open(path)
if err != nil {
return
}
defer f.Close()
buf, err = ioutil.ReadAll(f)
return
}
func readKernelConfig(path string) (kernelCfg kernelConfig, err error) {
buf, err := readFileAll(path)
if err != nil {
return
}
err = toml.Unmarshal(buf, &kernelCfg)
if err != nil {
return
}
return
}
func readArtifactConfig(path string) (artifactCfg artifact, err error) {
buf, err := readFileAll(path)
if err != nil {
return
}
err = toml.Unmarshal(buf, &artifactCfg)
if err != nil {
return
}
return
}
func performCI(ka artifact, kcfg kernelConfig, binaryPath, testPath string,
qemuTimeout, dockerTimeout time.Duration) (err error) {
func performCI(ka config.Artifact, kcfg config.KernelConfig, binaryPath,
testPath string, qemuTimeout, dockerTimeout time.Duration) (err error) {
found := false
@ -445,10 +292,11 @@ func exists(path string) bool {
return true
}
func pewHandler(kcfg kernelConfig, workPath, ovrrdKrnl, binary, test string,
guess bool, qemuTimeout, dockerTimeout time.Duration) (err error) {
func pewHandler(kcfg config.KernelConfig,
workPath, ovrrdKrnl, binary, test string, guess bool,
qemuTimeout, dockerTimeout time.Duration) (err error) {
ka, err := readArtifactConfig(workPath + "/.out-of-tree.toml")
ka, err := config.ReadArtifactConfig(workPath + "/.out-of-tree.toml")
if err != nil {
return
}
@ -463,26 +311,26 @@ func pewHandler(kcfg kernelConfig, workPath, ovrrdKrnl, binary, test string,
return errors.New("Kernel is not 'distroType:regex'")
}
var dt distroType
dt, err = newDistroType(parts[0])
var dt config.DistroType
dt, err = config.NewDistroType(parts[0])
if err != nil {
return
}
km := kernelMask{DistroType: dt, ReleaseMask: parts[1]}
ka.SupportedKernels = []kernelMask{km}
km := config.KernelMask{DistroType: dt, ReleaseMask: parts[1]}
ka.SupportedKernels = []config.KernelMask{km}
}
if guess {
ka.SupportedKernels = []kernelMask{}
for _, dType := range distroTypeStrings {
var dt distroType
dt, err = newDistroType(dType)
ka.SupportedKernels = []config.KernelMask{}
for _, dType := range config.DistroTypeStrings {
var dt config.DistroType
dt, err = config.NewDistroType(dType)
if err != nil {
return
}
km := kernelMask{DistroType: dt, ReleaseMask: ".*"}
km := config.KernelMask{DistroType: dt, ReleaseMask: ".*"}
ka.SupportedKernels = append(ka.SupportedKernels, km)
}
}

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