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Merge pull request #5448 from crosbymichael/selinux-defaults 

Add selinux label support for processes and mount
This commit is contained in:
Guillaume J. Charmes 2014-04-30 14:14:39 -07:00
parent d8554248b0 f6bccef4d7
commit 3ceb5e32c5
2 changed files with 9 additions and 6 deletions
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12
mount/init.go
View File

@ -4,14 +4,15 @@ package mount
import (
"fmt"
"os"
"path/filepath"
"syscall"
"github.com/dotcloud/docker/pkg/label"
"github.com/dotcloud/docker/pkg/libcontainer"
"github.com/dotcloud/docker/pkg/libcontainer/mount/nodes"
"github.com/dotcloud/docker/pkg/libcontainer/security/restrict"
"github.com/dotcloud/docker/pkg/system"
"os"
"path/filepath"
"syscall"
)
// default mount point flags
@ -130,11 +131,12 @@ func newSystemMounts(rootfs, mountLabel string, mounts libcontainer.Mounts) []mo
}
if len(mounts.OfType("devtmpfs")) == 1 {
systemMounts = append(systemMounts, mount{source: "tmpfs", path: filepath.Join(rootfs, "dev"), device: "tmpfs", flags: syscall.MS_NOSUID | syscall.MS_STRICTATIME, data: "mode=755"})
systemMounts = append(systemMounts, mount{source: "tmpfs", path: filepath.Join(rootfs, "dev"), device: "tmpfs", flags: syscall.MS_NOSUID | syscall.MS_STRICTATIME, data: label.FormatMountLabel("mode=755", mountLabel)})
}
systemMounts = append(systemMounts,
mount{source: "shm", path: filepath.Join(rootfs, "dev", "shm"), device: "tmpfs", flags: defaultMountFlags, data: label.FormatMountLabel("mode=1777,size=65536k", mountLabel)},
mount{source: "devpts", path: filepath.Join(rootfs, "dev", "pts"), device: "devpts", flags: syscall.MS_NOSUID | syscall.MS_NOEXEC, data: label.FormatMountLabel("newinstance,ptmxmode=0666,mode=620,gid=5", mountLabel)})
mount{source: "devpts", path: filepath.Join(rootfs, "dev", "pts"), device: "devpts", flags: syscall.MS_NOSUID | syscall.MS_NOEXEC, data: label.FormatMountLabel("newinstance,ptmxmode=0666,mode=620,gid=5", mountLabel)},
)
if len(mounts.OfType("sysfs")) == 1 {
systemMounts = append(systemMounts, mount{source: "sysfs", path: filepath.Join(rootfs, "sys"), device: "sysfs", flags: defaultMountFlags})

3
nsinit/init.go
View File

@ -75,8 +75,9 @@ func (ns *linuxNs) Init(container *libcontainer.Container, uncleanRootfs, consol
}
}
runtime.LockOSThread()
if err := label.SetProcessLabel(container.Context["process_label"]); err != nil {
return fmt.Errorf("SetProcessLabel label %s", err)
return fmt.Errorf("set process label %s", err)
}
ns.logger.Printf("execing %s\n", args[0])
return system.Execv(args[0], args[0:], container.Env)