498 lines
17 KiB
Go
498 lines
17 KiB
Go
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package su3
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import (
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"bytes"
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"fmt"
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"github.com/stretchr/testify/assert"
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"io"
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"io/ioutil"
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"os"
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"testing"
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)
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func fileReader(t *testing.T, filename string) io.Reader {
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f, err := os.Open(filename)
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if err != nil {
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t.Fatalf("cannot read test data file %s: %s", filename, err)
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}
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return f
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}
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func fileBytes(t *testing.T, filename string) []byte {
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b, err := ioutil.ReadFile(filename)
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if err != nil {
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t.Fatalf("cannot read test data file %s: %s", filename, err)
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}
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return b
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}
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func appendBytes(b ...[]byte) []byte {
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var out []byte
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for _, bb := range b {
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out = append(out, bb...)
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}
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return out
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}
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func TestRead(t *testing.T) {
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tests := []struct {
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name string
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reader io.Reader
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want *SU3
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wantErr string
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}{
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{
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name: "zero_bytes",
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reader: bytes.NewReader([]byte{}),
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wantErr: ErrMissingMagicBytes.Error(),
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},
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{
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name: "magic_bytes_not_long_enough",
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reader: bytes.NewReader([]byte("I2P")),
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wantErr: ErrMissingMagicBytes.Error(),
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},
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{
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name: "magic_bytes_incorrect",
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reader: bytes.NewReader([]byte("XXXXXX")),
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wantErr: ErrMissingMagicBytes.Error(),
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},
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{
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name: "missing_unused_byte_6",
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reader: bytes.NewReader([]byte("I2Psu3")),
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wantErr: ErrMissingUnusedByte6.Error(),
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},
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{
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name: "missing_file_format",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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)),
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wantErr: ErrMissingFileFormatVersion.Error(),
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},
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{
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name: "incorrect_file_format",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x01}, // Incorrect file format
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)),
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wantErr: ErrMissingFileFormatVersion.Error(),
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},
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{
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name: "missing_signature_type",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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)),
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wantErr: ErrMissingSignatureType.Error(),
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},
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{
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name: "invalid_signature_type",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x99, 0x99}, // Invalid signature type
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)),
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wantErr: ErrMissingSignatureType.Error(),
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},
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{
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name: "missing_signature_length",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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)),
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wantErr: ErrMissingSignatureLength.Error(),
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},
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{
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name: "missing_unused_byte_12",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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)),
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wantErr: ErrMissingUnusedByte12.Error(),
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},
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{
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name: "missing_version_length",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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)),
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wantErr: ErrMissingVersionLength.Error(),
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},
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{
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name: "version_too_short",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x01}, // Version length 1
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)),
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wantErr: ErrVersionTooShort.Error(),
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},
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{
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name: "missing_unused_byte_14",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x10}, // Version length 16
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)),
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wantErr: ErrMissingUnusedByte14.Error(),
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},
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{
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name: "missing_signer_length",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x10}, // Version length 16
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[]byte{0x00}, // Unused byte 14
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)),
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wantErr: ErrMissingSignerIDLength.Error(),
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},
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{
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name: "missing_content_length",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x10}, // Version length 16
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[]byte{0x00}, // Unused byte 14
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[]byte{0x06}, // Signer ID length 6
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)),
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wantErr: ErrMissingContentLength.Error(),
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},
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{
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name: "missing_unused_byte_24",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x10}, // Version length 16
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[]byte{0x00}, // Unused byte 14
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[]byte{0x06}, // Signer ID length 6
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[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
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)),
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wantErr: ErrMissingUnusedByte24.Error(),
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},
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{
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name: "missing_file_type",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x10}, // Version length 16
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[]byte{0x00}, // Unused byte 14
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[]byte{0x06}, // Signer ID length 6
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[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
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[]byte{0x00}, // Unused byte 24
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)),
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wantErr: ErrMissingFileType.Error(),
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},
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{
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name: "invalid_file_type",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x10}, // Version length 16
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[]byte{0x00}, // Unused byte 14
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[]byte{0x06}, // Signer ID length 6
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[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
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[]byte{0x00}, // Unused byte 24
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[]byte{0x99}, // Invalid file type
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)),
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wantErr: ErrMissingFileType.Error(),
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},
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{
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name: "missing_unused_byte_26",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x10}, // Version length 16
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[]byte{0x00}, // Unused byte 14
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[]byte{0x06}, // Signer ID length 6
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[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
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[]byte{0x00}, // Unused byte 24
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[]byte{0x02}, // File type HTML
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)),
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wantErr: ErrMissingUnusedByte26.Error(),
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},
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{
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name: "missing_content_type",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x10}, // Version length 16
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[]byte{0x00}, // Unused byte 14
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[]byte{0x06}, // Signer ID length 6
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[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
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[]byte{0x00}, // Unused byte 24
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[]byte{0x02}, // File type HTML
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[]byte{0x00}, // Unused byte 26
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)),
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wantErr: ErrMissingContentType.Error(),
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},
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{
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name: "invalid_content_type",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x10}, // Version length 16
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[]byte{0x00}, // Unused byte 14
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[]byte{0x06}, // Signer ID length 6
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[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
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[]byte{0x00}, // Unused byte 24
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[]byte{0x02}, // File type HTML
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[]byte{0x00}, // Unused byte 26
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[]byte{0x99}, // Invalid content type
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)),
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wantErr: ErrMissingContentType.Error(),
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},
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{
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name: "missing_unused_bytes_28-39",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x10}, // Version length 16
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[]byte{0x00}, // Unused byte 14
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[]byte{0x06}, // Signer ID length 6
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[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
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[]byte{0x00}, // Unused byte 24
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[]byte{0x02}, // File type HTML
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[]byte{0x00}, // Unused byte 26
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[]byte{0x00}, // Content type unknown
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)),
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wantErr: ErrMissingUnusedBytes28To39.Error(),
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},
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{
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name: "partial_unused_bytes_28-39",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
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[]byte{0x00, 0x01}, // Signature length 1 byte
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[]byte{0x00}, // Unused byte 12
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[]byte{0x10}, // Version length 16
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[]byte{0x00}, // Unused byte 14
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[]byte{0x06}, // Signer ID length 6
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[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
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[]byte{0x00}, // Unused byte 24
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[]byte{0x02}, // File type HTML
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[]byte{0x00}, // Unused byte 26
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[]byte{0x00}, // Content type unknown
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[]byte{0x00, 0x00}, // Partial unused bytes 28-39
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)),
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wantErr: ErrMissingUnusedBytes28To39.Error(),
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},
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{
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name: "missing_version",
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reader: bytes.NewReader(appendBytes(
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[]byte("I2Psu3"), // Magic bytes
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[]byte{0x00}, // Unused byte 6
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[]byte{0x00}, // File format
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||
|
|
[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
|
||
|
|
[]byte{0x00, 0x01}, // Signature length 1 byte
|
||
|
|
[]byte{0x00}, // Unused byte 12
|
||
|
|
[]byte{0x10}, // Version length 16
|
||
|
|
[]byte{0x00}, // Unused byte 14
|
||
|
|
[]byte{0x06}, // Signer ID length 6
|
||
|
|
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
|
||
|
|
[]byte{0x00}, // Unused byte 24
|
||
|
|
[]byte{0x02}, // File type HTML
|
||
|
|
[]byte{0x00}, // Unused byte 26
|
||
|
|
[]byte{0x00}, // Content type unknown
|
||
|
|
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // Unused bytes 28-39
|
||
|
|
)),
|
||
|
|
wantErr: ErrMissingVersion.Error(),
|
||
|
|
},
|
||
|
|
{
|
||
|
|
name: "missing_signer_ID",
|
||
|
|
reader: bytes.NewReader(appendBytes(
|
||
|
|
[]byte("I2Psu3"), // Magic bytes
|
||
|
|
[]byte{0x00}, // Unused byte 6
|
||
|
|
[]byte{0x00}, // File format
|
||
|
|
[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
|
||
|
|
[]byte{0x00, 0x01}, // Signature length 1 byte
|
||
|
|
[]byte{0x00}, // Unused byte 12
|
||
|
|
[]byte{0x10}, // Version length 16
|
||
|
|
[]byte{0x00}, // Unused byte 14
|
||
|
|
[]byte{0x06}, // Signer ID length 6
|
||
|
|
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
|
||
|
|
[]byte{0x00}, // Unused byte 24
|
||
|
|
[]byte{0x02}, // File type HTML
|
||
|
|
[]byte{0x00}, // Unused byte 26
|
||
|
|
[]byte{0x00}, // Content type unknown
|
||
|
|
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // Unused bytes 28-39
|
||
|
|
appendBytes([]byte("1234567890"), []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}), // Version with padding
|
||
|
|
)),
|
||
|
|
wantErr: ErrMissingSignerID.Error(),
|
||
|
|
},
|
||
|
|
{
|
||
|
|
name: "missing_content",
|
||
|
|
reader: bytes.NewReader(appendBytes(
|
||
|
|
[]byte("I2Psu3"), // Magic bytes
|
||
|
|
[]byte{0x00}, // Unused byte 6
|
||
|
|
[]byte{0x00}, // File format
|
||
|
|
[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
|
||
|
|
[]byte{0x00, 0x01}, // Signature length 1 byte
|
||
|
|
[]byte{0x00}, // Unused byte 12
|
||
|
|
[]byte{0x10}, // Version length 16
|
||
|
|
[]byte{0x00}, // Unused byte 14
|
||
|
|
[]byte{0x06}, // Signer ID length 6
|
||
|
|
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
|
||
|
|
[]byte{0x00}, // Unused byte 24
|
||
|
|
[]byte{0x02}, // File type HTML
|
||
|
|
[]byte{0x00}, // Unused byte 26
|
||
|
|
[]byte{0x00}, // Content type unknown
|
||
|
|
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // Unused bytes 28-39
|
||
|
|
appendBytes([]byte("1234567890"), []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}), // Version with padding
|
||
|
|
[]byte("apeace"), // Signer ID
|
||
|
|
)),
|
||
|
|
wantErr: ErrMissingContent.Error(),
|
||
|
|
},
|
||
|
|
{
|
||
|
|
name: "missing_signature",
|
||
|
|
reader: bytes.NewReader(appendBytes(
|
||
|
|
[]byte("I2Psu3"), // Magic bytes
|
||
|
|
[]byte{0x00}, // Unused byte 6
|
||
|
|
[]byte{0x00}, // File format
|
||
|
|
[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
|
||
|
|
[]byte{0x00, 0x01}, // Signature length 1 byte
|
||
|
|
[]byte{0x00}, // Unused byte 12
|
||
|
|
[]byte{0x10}, // Version length 16
|
||
|
|
[]byte{0x00}, // Unused byte 14
|
||
|
|
[]byte{0x06}, // Signer ID length 6
|
||
|
|
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
|
||
|
|
[]byte{0x00}, // Unused byte 24
|
||
|
|
[]byte{0x02}, // File type HTML
|
||
|
|
[]byte{0x00}, // Unused byte 26
|
||
|
|
[]byte{0x00}, // Content type unknown
|
||
|
|
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // Unused bytes 28-39
|
||
|
|
appendBytes([]byte("1234567890"), []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}), // Version with padding
|
||
|
|
[]byte("apeace"), // Signer ID
|
||
|
|
[]byte("apeace rules"), // Content
|
||
|
|
)),
|
||
|
|
wantErr: ErrMissingSignature.Error(),
|
||
|
|
},
|
||
|
|
{
|
||
|
|
name: "apeace_rules",
|
||
|
|
reader: bytes.NewReader(appendBytes(
|
||
|
|
[]byte("I2Psu3"), // Magic bytes
|
||
|
|
[]byte{0x00}, // Unused byte 6
|
||
|
|
[]byte{0x00}, // File format
|
||
|
|
[]byte{0x00, 0x03}, // Signature type ECDSA_SHA512_P521
|
||
|
|
[]byte{0x00, 0x01}, // Signature length 1 byte
|
||
|
|
[]byte{0x00}, // Unused byte 12
|
||
|
|
[]byte{0x10}, // Version length 16
|
||
|
|
[]byte{0x00}, // Unused byte 14
|
||
|
|
[]byte{0x06}, // Signer ID length 6
|
||
|
|
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c}, // Content length 12
|
||
|
|
[]byte{0x00}, // Unused byte 24
|
||
|
|
[]byte{0x02}, // File type HTML
|
||
|
|
[]byte{0x00}, // Unused byte 26
|
||
|
|
[]byte{0x00}, // Content type unknown
|
||
|
|
[]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // Unused bytes 28-39
|
||
|
|
appendBytes([]byte("1234567890"), []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}), // Version with padding
|
||
|
|
[]byte("apeace"), // Signer ID
|
||
|
|
[]byte("apeace rules"), // Content
|
||
|
|
[]byte{0x99}, // Signature
|
||
|
|
)),
|
||
|
|
want: &SU3{
|
||
|
|
signatureType: ECDSA_SHA512_P521,
|
||
|
|
signatureLength: 1,
|
||
|
|
versionLength: 16,
|
||
|
|
signerIDLength: 6,
|
||
|
|
contentLength: 12,
|
||
|
|
fileType: HTML,
|
||
|
|
contentType: UNKNOWN,
|
||
|
|
version: "1234567890",
|
||
|
|
signerID: "apeace",
|
||
|
|
content: []byte("apeace rules"),
|
||
|
|
signature: []byte{0x99},
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
name: "reseed-i2pgit.su3",
|
||
|
|
reader: fileReader(t, "testdata/reseed-i2pgit.su3"),
|
||
|
|
want: &SU3{
|
||
|
|
signatureType: RSA_SHA512_4096,
|
||
|
|
signatureLength: 512,
|
||
|
|
versionLength: 16,
|
||
|
|
signerIDLength: 23,
|
||
|
|
contentLength: 80138,
|
||
|
|
fileType: ZIP,
|
||
|
|
contentType: RESEED,
|
||
|
|
version: "1658849028",
|
||
|
|
signerID: "hankhill19580@gmail.com",
|
||
|
|
content: fileBytes(t, "testdata/reseed-i2pgit-content.zip"),
|
||
|
|
signature: fileBytes(t, "testdata/reseed-i2pgit-signature"),
|
||
|
|
},
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
for _, test := range tests {
|
||
|
|
t.Run(test.name, func(t *testing.T) {
|
||
|
|
su3File, err := Read(test.reader)
|
||
|
|
if test.wantErr != "" && err == nil {
|
||
|
|
t.Fatal("expected error, got nil")
|
||
|
|
} else if test.wantErr != "" {
|
||
|
|
assert.Contains(t, err.Error(), test.wantErr, fmt.Sprintf("expected error to contain `%s`", test.wantErr))
|
||
|
|
} else if err != nil {
|
||
|
|
assert.Nil(t, err, "expected nil error")
|
||
|
|
} else {
|
||
|
|
assert.Equal(t, test.want, su3File, "expected SU3 file to match")
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|