add default apparmor profile

Signed-off-by: Xianglin Gao <xlgao@zju.edu.cn>

vendor/src/github.com/docker/docker/utils/templates/templates.go

@@ -0,0 +1,42 @@
+package templates
+
+import (
+	"encoding/json"
+	"strings"
+	"text/template"
+)
+
+// basicFunctions are the set of initial
+// functions provided to every template.
+var basicFunctions = template.FuncMap{
+	"json": func(v interface{}) string {
+		a, _ := json.Marshal(v)
+		return string(a)
+	},
+	"split": strings.Split,
+	"join":  strings.Join,
+	"title": strings.Title,
+	"lower": strings.ToLower,
+	"upper": strings.ToUpper,
+	"pad":   padWithSpace,
+}
+
+// Parse creates a new annonymous template with the basic functions
+// and parses the given format.
+func Parse(format string) (*template.Template, error) {
+	return NewParse("", format)
+}
+
+// NewParse creates a new tagged template with the basic functions
+// and parses the given format.
+func NewParse(tag, format string) (*template.Template, error) {
+	return template.New(tag).Funcs(basicFunctions).Parse(format)
+}
+
+// padWithSpace adds whitespace to the input if the input is non-empty
+func padWithSpace(source string, prefix, suffix int) string {
+	if source == "" {
+		return source
+	}
+	return strings.Repeat(" ", prefix) + source + strings.Repeat(" ", suffix)
+}

vendor/src/github.com/opencontainers/runc/libcontainer/apparmor/apparmor.go

@@ -0,0 +1,39 @@
+// +build apparmor,linux
+
+package apparmor
+
+// #cgo LDFLAGS: -lapparmor
+// #include <sys/apparmor.h>
+// #include <stdlib.h>
+import "C"
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"unsafe"
+)
+
+// IsEnabled returns true if apparmor is enabled for the host.
+func IsEnabled() bool {
+	if _, err := os.Stat("/sys/kernel/security/apparmor"); err == nil && os.Getenv("container") == "" {
+		if _, err = os.Stat("/sbin/apparmor_parser"); err == nil {
+			buf, err := ioutil.ReadFile("/sys/module/apparmor/parameters/enabled")
+			return err == nil && len(buf) > 1 && buf[0] == 'Y'
+		}
+	}
+	return false
+}
+
+// ApplyProfile will apply the profile with the specified name to the process after
+// the next exec.
+func ApplyProfile(name string) error {
+	if name == "" {
+		return nil
+	}
+	cName := C.CString(name)
+	defer C.free(unsafe.Pointer(cName))
+	if _, err := C.aa_change_onexec(cName); err != nil {
+		return fmt.Errorf("apparmor failed to apply profile: %s", err)
+	}
+	return nil
+}

vendor/src/github.com/opencontainers/runc/libcontainer/apparmor/apparmor_disabled.go

@@ -0,0 +1,20 @@
+// +build !apparmor !linux
+
+package apparmor
+
+import (
+	"errors"
+)
+
+var ErrApparmorNotEnabled = errors.New("apparmor: config provided but apparmor not supported")
+
+func IsEnabled() bool {
+	return false
+}
+
+func ApplyProfile(name string) error {
+	if name != "" {
+		return ErrApparmorNotEnabled
+	}
+	return nil
+}