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// Copyright (c) 2020-2024, Sylabs Inc. All rights reserved.
// This software is licensed under a 3-clause BSD license. Please consult the LICENSE.md file
// distributed with the sources of this project regarding your rights to use or distribute this
// software.
package integrity
import (
"bytes"
"crypto"
_ "crypto/sha256"
_ "crypto/sha512"
"encoding/json"
"errors"
"io"
"os"
"path/filepath"
"strings"
"testing"
"github.com/sebdah/goldie/v2"
"github.com/sylabs/sif/v2/pkg/sif"
)
func TestGetHeaderMetadata(t *testing.T) {
b, err := os.ReadFile(filepath.Join("testdata", "sources", "header.bin"))
if err != nil {
t.Fatal(err)
}
tests := []struct {
name string
header io.Reader
hash crypto.Hash
wantErr error
}{
{name: "HashUnavailable", header: bytes.NewReader(b), hash: crypto.MD4, wantErr: errHashUnavailable},
{name: "HashUnsupportedMD5", header: bytes.NewReader(b), hash: crypto.MD5, wantErr: errHashUnsupported},
{name: "HashUnsupportedSHA1", header: bytes.NewReader(b), hash: crypto.SHA1, wantErr: errHashUnsupported},
{name: "SHA224", header: bytes.NewReader(b), hash: crypto.SHA224},
{name: "SHA256", header: bytes.NewReader(b), hash: crypto.SHA256},
{name: "SHA384", header: bytes.NewReader(b), hash: crypto.SHA384},
{name: "SHA512", header: bytes.NewReader(b), hash: crypto.SHA512},
{name: "SHA512_224", header: bytes.NewReader(b), hash: crypto.SHA512_224},
{name: "SHA512_256", header: bytes.NewReader(b), hash: crypto.SHA512_256},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
md, err := getHeaderMetadata(tt.header, tt.hash)
if got, want := err, tt.wantErr; !errors.Is(got, want) {
t.Fatalf("got error %v, want %v", got, want)
}
if err == nil {
b := bytes.Buffer{}
if err := json.NewEncoder(&b).Encode(md); err != nil {
t.Fatal(err)
}
g := goldie.New(t, goldie.WithTestNameForDir(true))
g.Assert(t, tt.name, b.Bytes())
}
})
}
}
func TestGetObjectMetadata(t *testing.T) {
// Byte stream that represents integrity-protected fields of an arbitrary descriptor with
// relative ID of zero.
rid0, err := os.ReadFile(filepath.Join("testdata", "sources", "descr-rid0.bin"))
if err != nil {
t.Fatal(err)
}
// Byte stream that represents integrity-protected fields of an arbitrary descriptor with
// relative ID of one.
rid1, err := os.ReadFile(filepath.Join("testdata", "sources", "descr-rid1.bin"))
if err != nil {
t.Fatal(err)
}
tests := []struct {
name string
relativeID uint32
descr io.Reader
data io.Reader
hash crypto.Hash
wantErr error
}{
{name: "HashUnavailable", descr: bytes.NewReader(rid0), hash: crypto.MD4, wantErr: errHashUnavailable},
{name: "HashUnsupportedMD5", descr: bytes.NewReader(rid0), hash: crypto.MD5, wantErr: errHashUnsupported},
{name: "HashUnsupportedSHA1", descr: bytes.NewReader(rid0), hash: crypto.SHA1, wantErr: errHashUnsupported},
{name: "RelativeID", relativeID: 1, descr: bytes.NewReader(rid1), data: strings.NewReader("blah"), hash: crypto.SHA256}, //nolint:lll
{name: "SHA224", descr: bytes.NewReader(rid0), data: strings.NewReader("blah"), hash: crypto.SHA224},
{name: "SHA256", descr: bytes.NewReader(rid0), data: strings.NewReader("blah"), hash: crypto.SHA256},
{name: "SHA384", descr: bytes.NewReader(rid0), data: strings.NewReader("blah"), hash: crypto.SHA384},
{name: "SHA512", descr: bytes.NewReader(rid0), data: strings.NewReader("blah"), hash: crypto.SHA512},
{name: "SHA512_224", descr: bytes.NewReader(rid0), data: strings.NewReader("blah"), hash: crypto.SHA512_224},
{name: "SHA512_256", descr: bytes.NewReader(rid0), data: strings.NewReader("blah"), hash: crypto.SHA512_256},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
md, err := getObjectMetadata(tt.relativeID, tt.descr, tt.data, tt.hash)
if got, want := err, tt.wantErr; !errors.Is(got, want) {
t.Fatalf("got error %v, want %v", got, want)
}
if err == nil {
b := bytes.Buffer{}
if err := json.NewEncoder(&b).Encode(md); err != nil {
t.Fatal(err)
}
g := goldie.New(t, goldie.WithTestNameForDir(true))
g.Assert(t, tt.name, b.Bytes())
}
})
}
}
func TestGetImageMetadata(t *testing.T) {
f := loadContainer(t, filepath.Join(corpus, "one-group.sif"))
od1, err := f.GetDescriptor(sif.WithID(1))
if err != nil {
t.Fatal(err)
}
od2, err := f.GetDescriptor(sif.WithID(2))
if err != nil {
t.Fatal(err)
}
tests := []struct {
name string
minID uint32
ods []sif.Descriptor
hash crypto.Hash
wantErr error
}{
{name: "HashUnavailable", hash: crypto.MD4, wantErr: errHashUnavailable},
{name: "HashUnsupportedMD5", hash: crypto.MD5, wantErr: errHashUnsupported},
{name: "HashUnsupportedSHA1", hash: crypto.SHA1, wantErr: errHashUnsupported},
{name: "MinimumIDInvalid", minID: 2, ods: []sif.Descriptor{od1}, hash: crypto.SHA256, wantErr: errMinimumIDInvalid},
{name: "Object1", minID: 1, ods: []sif.Descriptor{od1}, hash: crypto.SHA256},
{name: "Object2", minID: 1, ods: []sif.Descriptor{od2}, hash: crypto.SHA256},
{name: "SHA224", minID: 1, ods: []sif.Descriptor{od1, od2}, hash: crypto.SHA224},
{name: "SHA256", minID: 1, ods: []sif.Descriptor{od1, od2}, hash: crypto.SHA256},
{name: "SHA384", minID: 1, ods: []sif.Descriptor{od1, od2}, hash: crypto.SHA384},
{name: "SHA512", minID: 1, ods: []sif.Descriptor{od1, od2}, hash: crypto.SHA512},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
md, err := getImageMetadata(f, tt.minID, tt.ods, tt.hash)
if got, want := err, tt.wantErr; !errors.Is(got, want) {
t.Fatalf("got error %v, want %v", got, want)
}
if err == nil {
b := bytes.Buffer{}
if err := json.NewEncoder(&b).Encode(md); err != nil {
t.Fatal(err)
}
g := goldie.New(t, goldie.WithTestNameForDir(true))
g.Assert(t, tt.name, b.Bytes())
}
})
}
}
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