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f3cdfc488e
runc rc95 contains a fix for CVE-2021-30465. runc rc94 provides fixes and improvements. One notable change is cgroup manager's Set now accept Resources rather than Cgroup (see https://github.com/opencontainers/runc/pull/2906). Modify the code accordingly. Also update runc dependencies (as hinted by hack/lint-depdendencies.sh): github.com/cilium/ebpf v0.5.0 github.com/containerd/console v1.0.2 github.com/coreos/go-systemd/v22 v22.3.1 github.com/godbus/dbus/v5 v5.0.4 github.com/moby/sys/mountinfo v0.4.1 golang.org/x/sys v0.0.0-20210426230700-d19ff857e887 github.com/google/go-cmp v0.5.4 github.com/kr/pretty v0.2.1 github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417 Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
// +build freebsd,cgo
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/*
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Copyright The containerd Authors.
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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 console
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import (
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"fmt"
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"os"
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"golang.org/x/sys/unix"
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)
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/*
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#include <stdlib.h>
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#include <unistd.h>
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*/
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import "C"
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const (
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cmdTcGet = unix.TIOCGETA
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cmdTcSet = unix.TIOCSETA
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)
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// unlockpt unlocks the slave pseudoterminal device corresponding to the master pseudoterminal referred to by f.
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// unlockpt should be called before opening the slave side of a pty.
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func unlockpt(f *os.File) error {
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fd := C.int(f.Fd())
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if _, err := C.unlockpt(fd); err != nil {
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C.close(fd)
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return fmt.Errorf("unlockpt: %w", err)
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}
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return nil
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}
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// ptsname retrieves the name of the first available pts for the given master.
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func ptsname(f *os.File) (string, error) {
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n, err := unix.IoctlGetInt(int(f.Fd()), unix.TIOCGPTN)
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if err != nil {
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return "", err
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}
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return fmt.Sprintf("/dev/pts/%d", n), nil
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}
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