mirror of
https://github.com/octoleo/restic.git
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85 lines
2.2 KiB
Go
85 lines
2.2 KiB
Go
package main
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import (
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"context"
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"fmt"
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"github.com/restic/restic/internal/errors"
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"github.com/restic/restic/internal/repository"
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"github.com/spf13/cobra"
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)
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var cmdKeyPasswd = &cobra.Command{
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Use: "passwd",
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Short: "Change key (password); creates a new key ID and removes the old key ID, returns new key ID",
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Long: `
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The "passwd" sub-command creates a new key, validates the key and remove the old key ID.
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Returns the new key ID.
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EXIT STATUS
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===========
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Exit status is 0 if the command is successful, and non-zero if there was any error.
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`,
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DisableAutoGenTag: true,
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RunE: func(cmd *cobra.Command, args []string) error {
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return runKeyPasswd(cmd.Context(), globalOptions, keyPasswdOpts, args)
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},
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}
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type KeyPasswdOptions struct {
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KeyAddOptions
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}
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var keyPasswdOpts KeyPasswdOptions
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func init() {
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cmdKey.AddCommand(cmdKeyPasswd)
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flags := cmdKeyPasswd.Flags()
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flags.StringVarP(&keyPasswdOpts.NewPasswordFile, "new-password-file", "", "", "`file` from which to read the new password")
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flags.StringVarP(&keyPasswdOpts.Username, "user", "", "", "the username for new key")
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flags.StringVarP(&keyPasswdOpts.Hostname, "host", "", "", "the hostname for new key")
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}
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func runKeyPasswd(ctx context.Context, gopts GlobalOptions, opts KeyPasswdOptions, args []string) error {
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if len(args) > 0 {
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return fmt.Errorf("the key passwd command expects no arguments, only options - please see `restic help key passwd` for usage and flags")
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}
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ctx, repo, unlock, err := openWithExclusiveLock(ctx, gopts, false)
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if err != nil {
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return err
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}
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defer unlock()
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return changePassword(ctx, repo, gopts, opts)
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}
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func changePassword(ctx context.Context, repo *repository.Repository, gopts GlobalOptions, opts KeyPasswdOptions) error {
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pw, err := getNewPassword(ctx, gopts, opts.NewPasswordFile)
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if err != nil {
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return err
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}
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id, err := repository.AddKey(ctx, repo, pw, "", "", repo.Key())
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if err != nil {
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return errors.Fatalf("creating new key failed: %v\n", err)
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}
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oldID := repo.KeyID()
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err = switchToNewKeyAndRemoveIfBroken(ctx, repo, id, pw)
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if err != nil {
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return err
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}
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err = repository.RemoveKey(ctx, repo, oldID)
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if err != nil {
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return err
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}
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Verbosef("saved new key as %s\n", id)
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return nil
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}
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