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Generate imports based on what is avaliable

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Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
This commit is contained in:
Michael Crosby 2014-04-14 05:22:45 +00:00
parent a8c9c4bf97
commit 7612df5c8a
2 changed files with 107 additions and 46 deletions
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61
apparmor/setup.go
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@ -3,7 +3,6 @@ package apparmor
import (
"fmt"
"io"
"io/ioutil"
"os"
"os/exec"
"path"
@ -13,47 +12,6 @@ const (
DefaultProfilePath = "/etc/apparmor.d/docker"
)
const DefaultProfile = `
#include <tunables/global>
profile docker-default flags=(attach_disconnected,mediate_deleted) {
#include <abstractions/base>
network,
capability,
file,
umount,
mount fstype=tmpfs,
mount fstype=mqueue,
mount fstype=fuse.*,
mount fstype=binfmt_misc -> /proc/sys/fs/binfmt_misc/,
mount fstype=efivarfs -> /sys/firmware/efi/efivars/,
mount fstype=fusectl -> /sys/fs/fuse/connections/,
mount fstype=securityfs -> /sys/kernel/security/,
mount fstype=debugfs -> /sys/kernel/debug/,
mount fstype=proc -> /proc/,
mount fstype=sysfs -> /sys/,
deny @{PROC}/sys/fs/** wklx,
deny @{PROC}/sysrq-trigger rwklx,
deny @{PROC}/mem rwklx,
deny @{PROC}/kmem rwklx,
deny @{PROC}/sys/kernel/[^s][^h][^m]* wklx,
deny @{PROC}/sys/kernel/*/** wklx,
deny mount options=(ro, remount) -> /,
deny mount fstype=debugfs -> /var/lib/ureadahead/debugfs/,
deny mount fstype=devpts,
deny /sys/[^f]*/** wklx,
deny /sys/f[^s]*/** wklx,
deny /sys/fs/[^c]*/** wklx,
deny /sys/fs/c[^g]*/** wklx,
deny /sys/fs/cg[^r]*/** wklx,
deny /sys/firmware/efi/efivars/** rwklx,
deny /sys/kernel/security/** rwklx,
}
`
func InstallDefaultProfile(backupPath string) error {
if !IsEnabled() {
return nil
@ -95,15 +53,26 @@ func InstallDefaultProfile(backupPath string) error {
return err
}
if err := ioutil.WriteFile(DefaultProfilePath, []byte(DefaultProfile), 0644); err != nil {
f, err := os.OpenFile(DefaultProfilePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
return err
}
if err := generateProfile(f); err != nil {
f.Close()
return err
}
f.Close()
output, err := exec.Command("/sbin/apparmor_parser", "-r", "-W", "docker").CombinedOutput()
cmd := exec.Command("/sbin/apparmor_parser", "-r", "-W", "docker")
// to use the parser directly we have to make sure we are in the correct
// dir with the profile
cmd.Dir = "/etc/apparmor.d"
output, err := cmd.CombinedOutput()
if err != nil && !os.IsNotExist(err) {
if e, ok := err.(*exec.Error); ok {
// keeping with the current profile load code, if the parser does not exist then
// just return
// keeping with the current profile load code, if the parser does not
// exist then just return
if e.Err == exec.ErrNotFound || os.IsNotExist(e.Err) {
return nil
}