1 files changed, 50 insertions, 0 deletions
diff --git a/vendor/github.com/coreos/ignition/internal/exec/util/user_lookup.go b/vendor/github.com/coreos/ignition/internal/exec/util/user_lookup.go
new file mode 100644
index 00000000..85d34919
--- /dev/null
+++ b/vendor/github.com/coreos/ignition/internal/exec/util/user_lookup.go
@@ -0,0 +1,50 @@
+// Copyright 2015 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build linux
+
+package util
+
+// #include "user_lookup.h"
+import "C"
+
+import (
+	"fmt"
+	"os/user"
+)
+
+// userLookup looks up the user in u.DestDir.
+func (u Util) userLookup(name string) (*user.User, error) {
+	res := &C.user_lookup_res_t{}
+
+	if ret, err := C.user_lookup(C.CString(u.DestDir),
+		C.CString(name), res); ret < 0 {
+		return nil, fmt.Errorf("lookup failed: %v", err)
+	}
+
+	if res.name == nil {
+		return nil, fmt.Errorf("user %q not found", name)
+	}
+
+	usr := &user.User{
+		Name:    C.GoString(res.name),
+		Uid:     fmt.Sprintf("%d", int(res.uid)),
+		Gid:     fmt.Sprintf("%d", int(res.gid)),
+		HomeDir: u.JoinPath(C.GoString(res.home)),
+	}
+
+	C.user_lookup_res_free(res)
+
+	return usr, nil
+}