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Remove armhf/armv7 support from faasd

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See notes in: #364

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
This commit is contained in:
Alex Ellis (OpenFaaS Ltd)
2024-06-12 10:19:41 +01:00
parent 7dbaeef3d8
commit e4848cd829
426 changed files with 20188 additions and 20620 deletions
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247
vendor/github.com/AdaLogics/go-fuzz-headers/consumer.go generated vendored
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@ -25,11 +25,10 @@ import (
"os"
"path/filepath"
"reflect"
"strconv"
"strings"
"time"
"unsafe"
securejoin "github.com/cyphar/filepath-securejoin"
)
var (
@ -389,11 +388,11 @@ func (f *ConsumeFuzzer) GetUint16() (uint16, error) {
}
func (f *ConsumeFuzzer) GetUint32() (uint32, error) {
i, err := f.GetInt()
u32, err := f.GetNBytes(4)
if err != nil {
return uint32(0), err
return 0, err
}
return uint32(i), nil
return binary.BigEndian.Uint32(u32), nil
}
func (f *ConsumeFuzzer) GetUint64() (uint64, error) {
@ -412,26 +411,27 @@ func (f *ConsumeFuzzer) GetUint64() (uint64, error) {
}
func (f *ConsumeFuzzer) GetBytes() ([]byte, error) {
if f.position >= f.dataTotal {
return nil, errors.New("not enough bytes to create byte array")
}
length, err := f.GetUint32()
var length uint32
var err error
length, err = f.GetUint32()
if err != nil {
return nil, errors.New("not enough bytes to create byte array")
}
if f.position+length > MaxTotalLen {
return nil, errors.New("created too large a string")
}
byteBegin := f.position - 1
if byteBegin >= f.dataTotal {
return nil, errors.New("not enough bytes to create byte array")
}
if length == 0 {
return nil, errors.New("zero-length is not supported")
length = 30
}
if byteBegin+length >= f.dataTotal {
bytesLeft := f.dataTotal - f.position
if bytesLeft <= 0 {
return nil, errors.New("not enough bytes to create byte array")
}
// If the length is the same as bytes left, we will not overflow
// the remaining bytes.
if length != bytesLeft {
length = length % bytesLeft
}
byteBegin := f.position
if byteBegin+length < byteBegin {
return nil, errors.New("numbers overflow")
}
@ -482,6 +482,7 @@ func (f *ConsumeFuzzer) FuzzMap(m interface{}) error {
}
func returnTarBytes(buf []byte) ([]byte, error) {
return buf, nil
// Count files
var fileCounter int
tr := tar.NewReader(bytes.NewReader(buf))
@ -504,7 +505,8 @@ func returnTarBytes(buf []byte) ([]byte, error) {
func setTarHeaderFormat(hdr *tar.Header, f *ConsumeFuzzer) error {
ind, err := f.GetInt()
if err != nil {
return err
hdr.Format = tar.FormatGNU
//return nil
}
switch ind % 4 {
case 0:
@ -565,71 +567,17 @@ func setTarHeaderTypeflag(hdr *tar.Header, f *ConsumeFuzzer) error {
return nil
}
func tooSmallFileBody(length uint32) bool {
if length < 2 {
return true
}
if length < 4 {
return true
}
if length < 10 {
return true
}
if length < 100 {
return true
}
if length < 500 {
return true
}
if length < 1000 {
return true
}
if length < 2000 {
return true
}
if length < 4000 {
return true
}
if length < 8000 {
return true
}
if length < 16000 {
return true
}
if length < 32000 {
return true
}
if length < 64000 {
return true
}
if length < 128000 {
return true
}
if length < 264000 {
return true
}
return false
}
func (f *ConsumeFuzzer) createTarFileBody() ([]byte, error) {
length, err := f.GetUint32()
return f.GetBytes()
/*length, err := f.GetUint32()
if err != nil {
return nil, errors.New("not enough bytes to create byte array")
}
shouldUseLargeFileBody, err := f.GetBool()
if err != nil {
return nil, errors.New("not enough bytes to check long file body")
}
if shouldUseLargeFileBody && tooSmallFileBody(length) {
return nil, errors.New("File body was too small")
}
// A bit of optimization to attempt to create a file body
// when we don't have as many bytes left as "length"
remainingBytes := f.dataTotal - f.position
if remainingBytes == 0 {
if remainingBytes <= 0 {
return nil, errors.New("created too large a string")
}
if f.position+length > MaxTotalLen {
@ -649,14 +597,15 @@ func (f *ConsumeFuzzer) createTarFileBody() ([]byte, error) {
return nil, errors.New("numbers overflow")
}
f.position = byteBegin + length
return f.data[byteBegin:f.position], nil
return f.data[byteBegin:f.position], nil*/
}
// getTarFileName is similar to GetString(), but creates string based
// on the length of f.data to reduce the likelihood of overflowing
// f.data.
func (f *ConsumeFuzzer) getTarFilename() (string, error) {
length, err := f.GetUint32()
return f.GetString()
/*length, err := f.GetUint32()
if err != nil {
return "nil", errors.New("not enough bytes to create string")
}
@ -664,14 +613,9 @@ func (f *ConsumeFuzzer) getTarFilename() (string, error) {
// A bit of optimization to attempt to create a file name
// when we don't have as many bytes left as "length"
remainingBytes := f.dataTotal - f.position
if remainingBytes == 0 {
if remainingBytes <= 0 {
return "nil", errors.New("created too large a string")
}
if remainingBytes < 50 {
length = length % remainingBytes
} else if f.dataTotal < 500 {
length = length % f.dataTotal
}
if f.position > MaxTotalLen {
return "nil", errors.New("created too large a string")
}
@ -686,7 +630,12 @@ func (f *ConsumeFuzzer) getTarFilename() (string, error) {
return "nil", errors.New("numbers overflow")
}
f.position = byteBegin + length
return string(f.data[byteBegin:f.position]), nil
return string(f.data[byteBegin:f.position]), nil*/
}
type TarFile struct {
Hdr *tar.Header
Body []byte
}
// TarBytes returns valid bytes for a tar archive
@ -695,28 +644,38 @@ func (f *ConsumeFuzzer) TarBytes() ([]byte, error) {
if err != nil {
return nil, err
}
var tarFiles []*TarFile
tarFiles = make([]*TarFile, 0)
var buf bytes.Buffer
tw := tar.NewWriter(&buf)
defer tw.Close()
const maxNoOfFiles = 1000
const maxNoOfFiles = 100
for i := 0; i < numberOfFiles%maxNoOfFiles; i++ {
filename, err := f.getTarFilename()
var filename string
var filebody []byte
var sec, nsec int
var err error
filename, err = f.getTarFilename()
if err != nil {
return returnTarBytes(buf.Bytes())
var sb strings.Builder
sb.WriteString("file-")
sb.WriteString(strconv.Itoa(i))
filename = sb.String()
}
filebody, err := f.createTarFileBody()
filebody, err = f.createTarFileBody()
if err != nil {
return returnTarBytes(buf.Bytes())
var sb strings.Builder
sb.WriteString("filebody-")
sb.WriteString(strconv.Itoa(i))
filebody = []byte(sb.String())
}
sec, err := f.GetInt()
sec, err = f.GetInt()
if err != nil {
return returnTarBytes(buf.Bytes())
sec = 1672531200 // beginning of 2023
}
nsec, err := f.GetInt()
nsec, err = f.GetInt()
if err != nil {
return returnTarBytes(buf.Bytes())
nsec = 1703980800 // end of 2023
}
hdr := &tar.Header{
@ -726,21 +685,83 @@ func (f *ConsumeFuzzer) TarBytes() ([]byte, error) {
ModTime: time.Unix(int64(sec), int64(nsec)),
}
if err := setTarHeaderTypeflag(hdr, f); err != nil {
return returnTarBytes(buf.Bytes())
return []byte(""), err
}
if err := setTarHeaderFormat(hdr, f); err != nil {
return returnTarBytes(buf.Bytes())
return []byte(""), err
}
if err := tw.WriteHeader(hdr); err != nil {
return returnTarBytes(buf.Bytes())
}
if _, err := tw.Write(filebody); err != nil {
return returnTarBytes(buf.Bytes())
tf := &TarFile{
Hdr: hdr,
Body: filebody,
}
tarFiles = append(tarFiles, tf)
}
var buf bytes.Buffer
tw := tar.NewWriter(&buf)
defer tw.Close()
for _, tf := range tarFiles {
tw.WriteHeader(tf.Hdr)
tw.Write(tf.Body)
}
return buf.Bytes(), nil
}
// This is similar to TarBytes, but it returns a series of
// files instead of raw tar bytes. The advantage of this
// api is that it is cheaper in terms of cpu power to
// modify or check the files in the fuzzer with TarFiles()
// because it avoids creating a tar reader.
func (f *ConsumeFuzzer) TarFiles() ([]*TarFile, error) {
numberOfFiles, err := f.GetInt()
if err != nil {
return nil, err
}
var tarFiles []*TarFile
tarFiles = make([]*TarFile, 0)
const maxNoOfFiles = 100
for i := 0; i < numberOfFiles%maxNoOfFiles; i++ {
filename, err := f.getTarFilename()
if err != nil {
return tarFiles, err
}
filebody, err := f.createTarFileBody()
if err != nil {
return tarFiles, err
}
sec, err := f.GetInt()
if err != nil {
return tarFiles, err
}
nsec, err := f.GetInt()
if err != nil {
return tarFiles, err
}
hdr := &tar.Header{
Name: filename,
Size: int64(len(filebody)),
Mode: 0o600,
ModTime: time.Unix(int64(sec), int64(nsec)),
}
if err := setTarHeaderTypeflag(hdr, f); err != nil {
hdr.Typeflag = tar.TypeReg
}
if err := setTarHeaderFormat(hdr, f); err != nil {
return tarFiles, err // should not happend
}
tf := &TarFile{
Hdr: hdr,
Body: filebody,
}
tarFiles = append(tarFiles, tf)
}
return tarFiles, nil
}
// CreateFiles creates pseudo-random files in rootDir.
// It creates subdirs and places the files there.
// It is the callers responsibility to ensure that
@ -767,10 +788,10 @@ func (f *ConsumeFuzzer) CreateFiles(rootDir string) error {
return errors.New("could not get fileName")
}
}
fullFilePath, err := securejoin.SecureJoin(rootDir, fileName)
if err != nil {
return err
if strings.Contains(fileName, "..") || (len(fileName) > 0 && fileName[0] == 47) || strings.Contains(fileName, "\\") {
continue
}
fullFilePath := filepath.Join(rootDir, fileName)
// Find the subdirectory of the file
if subDir := filepath.Dir(fileName); subDir != "" && subDir != "." {
@ -778,20 +799,14 @@ func (f *ConsumeFuzzer) CreateFiles(rootDir string) error {
if strings.Contains(subDir, "../") || (len(subDir) > 0 && subDir[0] == 47) || strings.Contains(subDir, "\\") {
continue
}
dirPath, err := securejoin.SecureJoin(rootDir, subDir)
if err != nil {
continue
}
dirPath := filepath.Join(rootDir, subDir)
if _, err := os.Stat(dirPath); os.IsNotExist(err) {
err2 := os.MkdirAll(dirPath, 0o777)
if err2 != nil {
continue
}
}
fullFilePath, err = securejoin.SecureJoin(dirPath, fileName)
if err != nil {
continue
}
fullFilePath = filepath.Join(dirPath, fileName)
} else {
// Create symlink
createSymlink, err := f.GetBool()