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#!/usr/bin/env bash
# Copyright (C) 2016-2017 Luke Shumaker <lukeshu@sbcglobal.net>
#
# 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.
{
printf '//'
printf ' %q' "$0" "$@"
printf '\n// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT\n\n'
cat <<EOF
package sd_login
import (
"net"
"golang.org/x/sys/unix"
)
// A PID represents a process.
//
// As a special case, PID(0) refers to the current process.
type PID int
func (pid PID) isValid() bool {
return pid >= 0
}
func GetPeer(conn *net.UnixConn) (PID, error) {
ucred, err := getpeercred(conn)
if err != nil {
return -1, err
}
return PID(ucred.Pid), nil
}
EOF
data=(
'GetSession Session'
'GetOwnerUser User'
'GetMachine Machine'
'GetUnit string'
'GetUserUnit string'
'GetSlice string'
'GetUserSlice string'
)
for item in "${data[@]}"; do
read Func Type <<<"$item"
cat <<EOF
func (pid PID) ${Func}() (v ${Type}, err error) {
if !pid.isValid() {
err = unix.EINVAL
return
}
cgroup, err := pid.getCgroup()
if err != nil {
return
}
return cgroup.MustSkipSystemPrefix().${Func}(), nil
}
EOF
done
} | gofmt
|
