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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2019 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package main_test
import (
"fmt"
"strings"
"github.com/seccomp/libseccomp-golang"
. "gopkg.in/check.v1"
main "github.com/snapcore/snapd/cmd/snap-seccomp"
"github.com/snapcore/snapd/osutil"
)
type versionInfoSuite struct{}
var _ = Suite(&versionInfoSuite{})
func (s *versionInfoSuite) TestVersionInfo(c *C) {
buildID, err := osutil.MyBuildID()
c.Assert(err, IsNil)
m, i, p := seccomp.GetLibraryVersion()
prefix := fmt.Sprintf("%s %d.%d.%d ", buildID, m, i, p)
suffix := fmt.Sprintf(" %s", main.GoSeccompFeatures())
defaultVi, err := main.VersionInfo()
c.Assert(err, IsNil)
// $ echo -n 'read\nwrite\n' | sha256sum
// 88b06efcea4b5946cebd4b0674b93744de328339de5d61b75db858119054ff93 -
readWriteHash := "88b06efcea4b5946cebd4b0674b93744de328339de5d61b75db858119054ff93"
c.Check(strings.HasPrefix(defaultVi, prefix), Equals, true)
c.Check(strings.HasSuffix(defaultVi, suffix), Equals, true)
c.Assert(len(defaultVi) > len(prefix)+len(suffix), Equals, true)
hash := defaultVi[len(prefix) : len(defaultVi)-len(suffix)]
c.Check(len(hash), Equals, len(readWriteHash))
c.Check(hash, Not(Equals), readWriteHash)
restore := main.MockSeccompSyscalls([]string{"read", "write"})
defer restore()
vi, err := main.VersionInfo()
c.Assert(err, IsNil)
c.Check(vi, Equals, prefix+readWriteHash+suffix)
// pretend it's only 'read' now
readHash := "15fd60c6f5c6804626177d178f3dba849a41f4a1878b2e7e7e3ed38a194dc82b"
restore = main.MockSeccompSyscalls([]string{"read"})
defer restore()
vi, err = main.VersionInfo()
c.Assert(err, IsNil)
c.Check(vi, Equals, prefix+readHash+suffix)
}
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