-
Notifications
You must be signed in to change notification settings - Fork 2.8k
/
socket.go
60 lines (53 loc) · 1.79 KB
/
socket.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
// Copyright 2017-2020 Authors of Cilium
//
// 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.
package api
import (
"fmt"
"os"
"os/user"
"strconv"
"github.com/cilium/cilium/pkg/logging"
"github.com/cilium/cilium/pkg/logging/logfields"
"github.com/sirupsen/logrus"
)
var log = logging.DefaultLogger.WithField(logfields.LogSubsys, "api")
// getGroupIDByName returns the group ID for the given grpName.
func getGroupIDByName(grpName string) (int, error) {
group, err := user.LookupGroup(grpName)
if err != nil {
return -1, err
}
return strconv.Atoi(group.Gid)
}
// SetDefaultPermissions sets the given socket's group to `CiliumGroupName` and
// mode to `SocketFileMode`.
func SetDefaultPermissions(socketPath string) error {
gid, err := getGroupIDByName(CiliumGroupName)
if err != nil {
log.WithError(err).WithFields(logrus.Fields{
logfields.Path: socketPath,
"group": CiliumGroupName,
}).Info("Group not found")
} else {
if err := os.Chown(socketPath, 0, gid); err != nil {
return fmt.Errorf("failed while setting up %s's group ID"+
" in %q: %s", CiliumGroupName, socketPath, err)
}
}
if err := os.Chmod(socketPath, SocketFileMode); err != nil {
return fmt.Errorf("failed while setting up %s's file"+
" permissions in %q: %s", CiliumGroupName, socketPath, err)
}
return nil
}