6cb8392be9
When processing the --userns-remap flag, add the capability to call out to `getent` if the user and group information is not found via local file parsing code already in libcontainer/user. Signed-off-by: Phil Estes <estesp@linux.vnet.ibm.com>
32 lines
752 B
Go
32 lines
752 B
Go
// +build !windows
|
|
|
|
package idtools
|
|
|
|
import (
|
|
"fmt"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
func resolveBinary(binname string) (string, error) {
|
|
binaryPath, err := exec.LookPath(binname)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
resolvedPath, err := filepath.EvalSymlinks(binaryPath)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
//only return no error if the final resolved binary basename
|
|
//matches what was searched for
|
|
if filepath.Base(resolvedPath) == binname {
|
|
return resolvedPath, nil
|
|
}
|
|
return "", fmt.Errorf("Binary %q does not resolve to a binary of that name in $PATH (%q)", binname, resolvedPath)
|
|
}
|
|
|
|
func execCmd(cmd, args string) ([]byte, error) {
|
|
execCmd := exec.Command(cmd, strings.Split(args, " ")...)
|
|
return execCmd.CombinedOutput()
|
|
}
|