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validate connection ID length in preferred_address transport parameter

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This commit is contained in:
Marten Seemann 2020-04-08 14:12:53 +07:00
parent 799d80197f
commit 96ac90e6be
2 changed files with 30 additions and 8 deletions
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35
internal/wire/transport_parameter_test.go
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@ -260,14 +260,18 @@ var _ = Describe("Transport Parameters", func() {
})
Context("preferred address", func() {
pa := &PreferredAddress{
IPv4: net.IPv4(127, 0, 0, 1),
IPv4Port: 42,
IPv6: net.IP{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16},
IPv6Port: 13,
ConnectionID: protocol.ConnectionID{0xde, 0xad, 0xbe, 0xef},
StatelessResetToken: [16]byte{16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1},
}
var pa *PreferredAddress
BeforeEach(func() {
pa = &PreferredAddress{
IPv4: net.IPv4(127, 0, 0, 1),
IPv4Port: 42,
IPv6: net.IP{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16},
IPv6Port: 13,
ConnectionID: protocol.ConnectionID{0xde, 0xad, 0xbe, 0xef},
StatelessResetToken: [16]byte{16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1},
}
})
It("marshals and unmarshals", func() {
data := (&TransportParameters{PreferredAddress: pa}).Marshal()
@ -287,6 +291,21 @@ var _ = Describe("Transport Parameters", func() {
Expect(p.Unmarshal(data, protocol.PerspectiveClient)).To(MatchError("TRANSPORT_PARAMETER_ERROR: client sent a preferred_address"))
})
It("errors on zero-length connection IDs", func() {
pa.ConnectionID = protocol.ConnectionID{}
data := (&TransportParameters{PreferredAddress: pa}).Marshal()
p := &TransportParameters{}
Expect(p.Unmarshal(data, protocol.PerspectiveServer)).To(MatchError("TRANSPORT_PARAMETER_ERROR: invalid connection ID length: 0"))
})
It("errors on too long connection IDs", func() {
pa.ConnectionID = protocol.ConnectionID{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21}
Expect(pa.ConnectionID.Len()).To(BeNumerically(">", protocol.MaxConnIDLen))
data := (&TransportParameters{PreferredAddress: pa}).Marshal()
p := &TransportParameters{}
Expect(p.Unmarshal(data, protocol.PerspectiveServer)).To(MatchError("TRANSPORT_PARAMETER_ERROR: invalid connection ID length: 21"))
})
It("errors on EOF", func() {
raw := []byte{
127, 0, 0, 1, // IPv4