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Diffstat (limited to 'vendor/github.com/pion/stun/fuzz.go')
-rw-r--r--vendor/github.com/pion/stun/fuzz.go140
1 files changed, 0 insertions, 140 deletions
diff --git a/vendor/github.com/pion/stun/fuzz.go b/vendor/github.com/pion/stun/fuzz.go
deleted file mode 100644
index debfa8d..0000000
--- a/vendor/github.com/pion/stun/fuzz.go
+++ /dev/null
@@ -1,140 +0,0 @@
-// +build gofuzz
-
-package stun
-
-import (
- "encoding/binary"
- "fmt"
-)
-
-var (
- m = New()
-)
-
-// FuzzMessage is go-fuzz endpoint for message.
-func FuzzMessage(data []byte) int {
- m.Reset()
- // fuzzer dont know about cookies
- binary.BigEndian.PutUint32(data[4:8], magicCookie)
- // trying to read data as message
- if _, err := m.Write(data); err != nil {
- return 0
- }
- m2 := New()
- if _, err := m2.Write(m.Raw); err != nil {
- panic(err) // nolint
- }
- if m2.TransactionID != m.TransactionID {
- panic("transaction ID mismatch") // nolint
- }
- if m2.Type != m.Type {
- panic("type missmatch") // nolint
- }
- if len(m2.Attributes) != len(m.Attributes) {
- panic("attributes length missmatch") // nolint
- }
- return 1
-}
-
-// FuzzType is go-fuzz endpoint for message type.
-func FuzzType(data []byte) int {
- t := MessageType{}
- vt, _ := binary.Uvarint(data)
- v := uint16(vt) & 0x1fff // first 3 bits are empty
- t.ReadValue(v)
- v2 := t.Value()
- if v != v2 {
- panic("v != v2") // nolint
- }
- t2 := MessageType{}
- t2.ReadValue(v2)
- if t2 != t {
- panic("t2 != t") // nolint
- }
- return 0
-}
-
-type attr interface {
- Getter
- Setter
-}
-
-type attrs []struct {
- g attr
- t AttrType
-}
-
-func (a attrs) pick(v byte) struct {
- g attr
- t AttrType
-} {
- idx := int(v) % len(a)
- return a[idx]
-}
-
-func FuzzSetters(data []byte) int {
- var (
- m1 = &Message{
- Raw: make([]byte, 0, 2048),
- }
- m2 = &Message{
- Raw: make([]byte, 0, 2048),
- }
- m3 = &Message{
- Raw: make([]byte, 0, 2048),
- }
- )
- attributes := attrs{
- {new(Realm), AttrRealm},
- {new(XORMappedAddress), AttrXORMappedAddress},
- {new(Nonce), AttrNonce},
- {new(Software), AttrSoftware},
- {new(AlternateServer), AttrAlternateServer},
- {new(ErrorCodeAttribute), AttrErrorCode},
- {new(UnknownAttributes), AttrUnknownAttributes},
- {new(Username), AttrUsername},
- {new(MappedAddress), AttrMappedAddress},
- {new(Realm), AttrRealm},
- }
- var firstByte = byte(0)
- if len(data) > 0 {
- firstByte = data[0]
- }
- a := attributes.pick(firstByte)
- value := data
- if len(data) > 1 {
- value = value[1:]
- }
- m1.WriteHeader()
- m1.Add(a.t, value)
- err := a.g.GetFrom(m1)
- if err == ErrAttributeNotFound {
- fmt.Println("unexpected 404") // nolint
- panic(err) // nolint
- }
- if err != nil {
- return 1
- }
- m2.WriteHeader()
- if err = a.g.AddTo(m2); err != nil {
- // We allow decoding some text attributes
- // when their length is too big, but
- // not encoding.
- if !IsAttrSizeOverflow(err) {
- panic(err) // nolint
- }
- return 1
- }
- m3.WriteHeader()
- v, err := m2.Get(a.t)
- if err != nil {
- panic(err) // nolint
- }
- m3.Add(a.t, v)
-
- if !m2.Equal(m3) {
- fmt.Println(m2, "not equal", m3) // nolint
- panic("not equal") // nolint
- }
- return 1
-}