diff options
Diffstat (limited to 'pkg/apparmor/aaparser.go')
-rw-r--r-- | pkg/apparmor/aaparser.go | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/pkg/apparmor/aaparser.go b/pkg/apparmor/aaparser.go deleted file mode 100644 index cec9c4885..000000000 --- a/pkg/apparmor/aaparser.go +++ /dev/null @@ -1,90 +0,0 @@ -// +build linux,apparmor - -package apparmor - -import ( - "fmt" - "os/exec" - "strconv" - "strings" -) - -const ( - binary = "apparmor_parser" -) - -// getVersion returns the major and minor version of apparmor_parser. -func getVersion() (int, error) { - output, err := cmd("", "--version") - if err != nil { - return -1, err - } - - return parseVersion(output) -} - -// loadProfile runs `apparmor_parser -Kr` on a specified apparmor profile to -// replace the profile. The `-K` is necessary to make sure that apparmor_parser -// doesn't try to write to a read-only filesystem. -func loadProfile(profilePath string) error { - _, err := cmd("", "-Kr", profilePath) - return err -} - -// cmd runs `apparmor_parser` with the passed arguments. -func cmd(dir string, arg ...string) (string, error) { - c := exec.Command(binary, arg...) - c.Dir = dir - - output, err := c.CombinedOutput() - if err != nil { - return "", fmt.Errorf("running `%s %s` failed with output: %s\nerror: %v", c.Path, strings.Join(c.Args, " "), output, err) - } - - return string(output), nil -} - -// parseVersion takes the output from `apparmor_parser --version` and returns -// a representation of the {major, minor, patch} version as a single number of -// the form MMmmPPP {major, minor, patch}. -func parseVersion(output string) (int, error) { - // output is in the form of the following: - // AppArmor parser version 2.9.1 - // Copyright (C) 1999-2008 Novell Inc. - // Copyright 2009-2012 Canonical Ltd. - - lines := strings.SplitN(output, "\n", 2) - words := strings.Split(lines[0], " ") - version := words[len(words)-1] - - // split by major minor version - v := strings.Split(version, ".") - if len(v) == 0 || len(v) > 3 { - return -1, fmt.Errorf("parsing version failed for output: `%s`", output) - } - - // Default the versions to 0. - var majorVersion, minorVersion, patchLevel int - - majorVersion, err := strconv.Atoi(v[0]) - if err != nil { - return -1, err - } - - if len(v) > 1 { - minorVersion, err = strconv.Atoi(v[1]) - if err != nil { - return -1, err - } - } - if len(v) > 2 { - patchLevel, err = strconv.Atoi(v[2]) - if err != nil { - return -1, err - } - } - - // major*10^5 + minor*10^3 + patch*10^0 - numericVersion := majorVersion*1e5 + minorVersion*1e3 + patchLevel - return numericVersion, nil -} |