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//go:build !linux || !cgo
// +build !linux !cgo
package rootless
import (
"os"
"github.com/containers/storage/pkg/idtools"
"github.com/pkg/errors"
)
// IsRootless returns whether the user is rootless
func IsRootless() bool {
uid := os.Geteuid()
// os.Geteuid() on Windows returns -1
if uid == -1 {
return false
}
return uid != 0
}
// BecomeRootInUserNS re-exec podman in a new userNS. It returns whether podman was re-executed
// into a new user namespace and the return code from the re-executed podman process.
// If podman was re-executed the caller needs to propagate the error code returned by the child
// process. It is a convenience function for BecomeRootInUserNSWithOpts with a default configuration.
func BecomeRootInUserNS(pausePid string) (bool, int, error) {
return false, -1, errors.New("this function is not supported on this os")
}
// GetRootlessUID returns the UID of the user in the parent userNS
func GetRootlessUID() int {
return -1
}
// GetRootlessGID returns the GID of the user in the parent userNS
func GetRootlessGID() int {
return -1
}
// TryJoinFromFilePaths attempts to join the namespaces of the pid files in paths.
// This is useful when there are already running containers and we
// don't have a pause process yet. We can use the paths to the conmon
// processes to attempt joining their namespaces.
// If needNewNamespace is set, the file is read from a temporary user
// namespace, this is useful for containers that are running with a
// different uidmap and the unprivileged user has no way to read the
// file owned by the root in the container.
func TryJoinFromFilePaths(pausePidPath string, needNewNamespace bool, paths []string) (bool, int, error) {
return false, -1, errors.New("this function is not supported on this os")
}
// ConfigurationMatches checks whether the additional uids/gids configured for the user
// match the current user namespace.
func ConfigurationMatches() (bool, error) {
return true, nil
}
// GetConfiguredMappings returns the additional IDs configured for the current user.
func GetConfiguredMappings() ([]idtools.IDMap, []idtools.IDMap, error) {
return nil, nil, errors.New("this function is not supported on this os")
}
// ReadMappingsProc returns the uid_map and gid_map
func ReadMappingsProc(path string) ([]idtools.IDMap, error) {
return nil, nil
}
// IsFdInherited checks whether the fd is opened and valid to use
func IsFdInherited(fd int) bool {
return false
}
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