61 lines
1.3 KiB
Go
61 lines
1.3 KiB
Go
/*
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Copyright 2020 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"strconv"
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"syscall"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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)
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func SyscallCredentials(userStr string) (*syscall.Credential, error) {
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uid, gid, err := GetUIDAndGIDFromString(userStr, true)
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if err != nil {
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return nil, errors.Wrap(err, "get uid/gid")
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}
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u, err := Lookup(userStr)
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if err != nil {
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return nil, errors.Wrap(err, "lookup")
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}
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logrus.Infof("Util.Lookup returned: %+v", u)
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var groups []uint32
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gidStr, err := groupIDs(u)
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if err != nil {
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return nil, errors.Wrap(err, "group ids for user")
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}
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for _, g := range gidStr {
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i, err := strconv.ParseUint(g, 10, 32)
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if err != nil {
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return nil, errors.Wrap(err, "parseuint")
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}
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groups = append(groups, uint32(i))
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}
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return &syscall.Credential{
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Uid: uid,
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Gid: gid,
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Groups: groups,
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}, nil
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}
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