func printPacks(repo *repository.Repository, wr io.Writer) error {
done := make(chan struct{})
defer close(done)
f := func(job worker.Job, done <-chan struct{}) (interface{}, error) {
name := job.Data.(string)
h := backend.Handle{Type: backend.Data, Name: name}
rd := backend.NewReadSeeker(repo.Backend(), h)
unpacker, err := pack.NewUnpacker(repo.Key(), rd)
if err != nil {
return nil, err
}
return unpacker.Entries, nil
}
jobCh := make(chan worker.Job)
resCh := make(chan worker.Job)
wp := worker.New(dumpPackWorkers, f, jobCh, resCh)
go func() {
for name := range repo.Backend().List(backend.Data, done) {
jobCh <- worker.Job{Data: name}
}
close(jobCh)
}()
for job := range resCh {
name := job.Data.(string)
if job.Error != nil {
fmt.Fprintf(os.Stderr, "error for pack %v: %v\n", name, job.Error)
continue
}
entries := job.Result.([]pack.Blob)
p := Pack{
Name: name,
Blobs: make([]Blob, len(entries)),
}
for i, blob := range entries {
p.Blobs[i] = Blob{
Type: blob.Type,
Length: blob.Length,
ID: blob.ID,
Offset: blob.Offset,
}
}
prettyPrintJSON(os.Stdout, p)
}
wp.Wait()
return nil
}
func (cmd CmdKey) addKey(repo *repository.Repository) error {
id, err := repository.AddKey(repo, cmd.getNewPassword(), repo.Key())
if err != nil {
return fmt.Errorf("creating new key failed: %v\n", err)
}
cmd.global.Verbosef("saved new key as %s\n", id)
return nil
}
func addKey(gopts GlobalOptions, repo *repository.Repository) error {
pw, err := getNewPassword(gopts)
if err != nil {
return err
}
id, err := repository.AddKey(repo, pw, repo.Key())
if err != nil {
return errors.Fatalf("creating new key failed: %v\n", err)
}
Verbosef("saved new key as %s\n", id)
return nil
}
func (cmd CmdKey) changePassword(repo *repository.Repository) error {
id, err := repository.AddKey(repo, cmd.getNewPassword(), repo.Key())
if err != nil {
return fmt.Errorf("creating new key failed: %v\n", err)
}
err = repo.Backend().Remove(backend.Key, repo.KeyName())
if err != nil {
return err
}
cmd.global.Verbosef("saved new key as %s\n", id)
return nil
}
// checkPack reads a pack and checks the integrity of all blobs.
func checkPack(r *repository.Repository, id backend.ID) error {
debug.Log("Checker.checkPack", "checking pack %v", id.Str())
h := backend.Handle{Type: backend.Data, Name: id.String()}
buf, err := backend.LoadAll(r.Backend(), h, nil)
if err != nil {
return err
}
hash := backend.Hash(buf)
if !hash.Equal(id) {
debug.Log("Checker.checkPack", "Pack ID does not match, want %v, got %v", id.Str(), hash.Str())
return fmt.Errorf("Pack ID does not match, want %v, got %v", id.Str(), hash.Str())
}
unpacker, err := pack.NewUnpacker(r.Key(), bytes.NewReader(buf))
if err != nil {
return err
}
var errs []error
for i, blob := range unpacker.Entries {
debug.Log("Checker.checkPack", " check blob %d: %v", i, blob.ID.Str())
plainBuf := make([]byte, blob.Length)
plainBuf, err = crypto.Decrypt(r.Key(), plainBuf, buf[blob.Offset:blob.Offset+blob.Length])
if err != nil {
debug.Log("Checker.checkPack", " error decrypting blob %v: %v", blob.ID.Str(), err)
errs = append(errs, fmt.Errorf("blob %v: %v", i, err))
continue
}
hash := backend.Hash(plainBuf)
if !hash.Equal(blob.ID) {
debug.Log("Checker.checkPack", " Blob ID does not match, want %v, got %v", blob.ID.Str(), hash.Str())
errs = append(errs, fmt.Errorf("Blob ID does not match, want %v, got %v", blob.ID.Str(), hash.Str()))
continue
}
}
if len(errs) > 0 {
return fmt.Errorf("pack %v contains %v errors: %v", id.Str(), len(errs), errs)
}
return nil
}
func changePassword(gopts GlobalOptions, repo *repository.Repository) error {
pw, err := getNewPassword(gopts)
if err != nil {
return err
}
id, err := repository.AddKey(repo, pw, repo.Key())
if err != nil {
return errors.Fatalf("creating new key failed: %v\n", err)
}
err = repo.Backend().Remove(restic.KeyFile, repo.KeyName())
if err != nil {
return err
}
Verbosef("saved new key as %s\n", id)
return nil
}