diff options
Diffstat (limited to 'cmd/podman/system/connection/add.go')
-rw-r--r-- | cmd/podman/system/connection/add.go | 111 |
1 files changed, 4 insertions, 107 deletions
diff --git a/cmd/podman/system/connection/add.go b/cmd/podman/system/connection/add.go index d77a39bcc..ec5fdccc8 100644 --- a/cmd/podman/system/connection/add.go +++ b/cmd/podman/system/connection/add.go @@ -6,21 +6,18 @@ import ( "net" "net/url" "os" - "os/user" "regexp" - "time" "github.com/containers/common/pkg/completion" "github.com/containers/common/pkg/config" "github.com/containers/podman/v4/cmd/podman/registry" "github.com/containers/podman/v4/cmd/podman/system" "github.com/containers/podman/v4/libpod/define" - "github.com/containers/podman/v4/pkg/terminal" + "github.com/containers/podman/v4/pkg/domain/utils" "github.com/pkg/errors" "github.com/sirupsen/logrus" "github.com/spf13/cobra" "golang.org/x/crypto/ssh" - "golang.org/x/crypto/ssh/agent" ) var ( @@ -95,7 +92,7 @@ func add(cmd *cobra.Command, args []string) error { switch uri.Scheme { case "ssh": if uri.User.Username() == "" { - if uri.User, err = GetUserInfo(uri); err != nil { + if uri.User, err = utils.GetUserInfo(uri); err != nil { return err } } @@ -180,32 +177,8 @@ func add(cmd *cobra.Command, args []string) error { return cfg.Write() } -func GetUserInfo(uri *url.URL) (*url.Userinfo, error) { - var ( - usr *user.User - err error - ) - if u, found := os.LookupEnv("_CONTAINERS_ROOTLESS_UID"); found { - usr, err = user.LookupId(u) - if err != nil { - return nil, errors.Wrapf(err, "failed to look up rootless user") - } - } else { - usr, err = user.Current() - if err != nil { - return nil, errors.Wrapf(err, "failed to obtain current user") - } - } - - pw, set := uri.User.Password() - if set { - return url.UserPassword(usr.Username, pw), nil - } - return url.User(usr.Username), nil -} - func getUDS(uri *url.URL, iden string) (string, error) { - cfg, err := ValidateAndConfigure(uri, iden) + cfg, err := utils.ValidateAndConfigure(uri, iden) if err != nil { return "", errors.Wrapf(err, "failed to validate") } @@ -226,7 +199,7 @@ func getUDS(uri *url.URL, iden string) (string, error) { if v, found := os.LookupEnv("PODMAN_BINARY"); found { podman = v } - infoJSON, err := ExecRemoteCommand(dial, podman+" info --format=json") + infoJSON, err := utils.ExecRemoteCommand(dial, podman+" info --format=json") if err != nil { return "", err } @@ -241,79 +214,3 @@ func getUDS(uri *url.URL, iden string) (string, error) { } return info.Host.RemoteSocket.Path, nil } - -// ValidateAndConfigure will take a ssh url and an identity key (rsa and the like) and ensure the information given is valid -// iden iden can be blank to mean no identity key -// once the function validates the information it creates and returns an ssh.ClientConfig. -func ValidateAndConfigure(uri *url.URL, iden string) (*ssh.ClientConfig, error) { - var signers []ssh.Signer - passwd, passwdSet := uri.User.Password() - if iden != "" { // iden might be blank if coming from image scp or if no validation is needed - value := iden - s, err := terminal.PublicKey(value, []byte(passwd)) - if err != nil { - return nil, errors.Wrapf(err, "failed to read identity %q", value) - } - signers = append(signers, s) - logrus.Debugf("SSH Ident Key %q %s %s", value, ssh.FingerprintSHA256(s.PublicKey()), s.PublicKey().Type()) - } - if sock, found := os.LookupEnv("SSH_AUTH_SOCK"); found { // validate ssh information, specifically the unix file socket used by the ssh agent. - logrus.Debugf("Found SSH_AUTH_SOCK %q, ssh-agent signer enabled", sock) - - c, err := net.Dial("unix", sock) - if err != nil { - return nil, err - } - agentSigners, err := agent.NewClient(c).Signers() - if err != nil { - return nil, err - } - - signers = append(signers, agentSigners...) - - if logrus.IsLevelEnabled(logrus.DebugLevel) { - for _, s := range agentSigners { - logrus.Debugf("SSH Agent Key %s %s", ssh.FingerprintSHA256(s.PublicKey()), s.PublicKey().Type()) - } - } - } - var authMethods []ssh.AuthMethod // now we validate and check for the authorization methods, most notaibly public key authorization - if len(signers) > 0 { - var dedup = make(map[string]ssh.Signer) - for _, s := range signers { - fp := ssh.FingerprintSHA256(s.PublicKey()) - if _, found := dedup[fp]; found { - logrus.Debugf("Dedup SSH Key %s %s", ssh.FingerprintSHA256(s.PublicKey()), s.PublicKey().Type()) - } - dedup[fp] = s - } - - var uniq []ssh.Signer - for _, s := range dedup { - uniq = append(uniq, s) - } - authMethods = append(authMethods, ssh.PublicKeysCallback(func() ([]ssh.Signer, error) { - return uniq, nil - })) - } - if passwdSet { // if password authentication is given and valid, add to the list - authMethods = append(authMethods, ssh.Password(passwd)) - } - if len(authMethods) == 0 { - authMethods = append(authMethods, ssh.PasswordCallback(func() (string, error) { - pass, err := terminal.ReadPassword(fmt.Sprintf("%s's login password:", uri.User.Username())) - return string(pass), err - })) - } - tick, err := time.ParseDuration("40s") - if err != nil { - return nil, err - } - cfg := &ssh.ClientConfig{ - User: uri.User.Username(), - Auth: authMethods, - HostKeyCallback: ssh.InsecureIgnoreHostKey(), - Timeout: tick, - } - return cfg, nil -} |