github.com/meulengracht/snapd@v0.0.0-20210719210640-8bde69bcc84e/asserts/fskeypairmgr_test.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2016 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package asserts_test
    21  
    22  import (
    23  	"os"
    24  	"path/filepath"
    25  	"syscall"
    26  
    27  	. "gopkg.in/check.v1"
    28  
    29  	"github.com/snapcore/snapd/asserts"
    30  )
    31  
    32  type fsKeypairMgrSuite struct{}
    33  
    34  var _ = Suite(&fsKeypairMgrSuite{})
    35  
    36  func (fsbss *fsKeypairMgrSuite) TestOpenOK(c *C) {
    37  	// ensure umask is clean when creating the DB dir
    38  	oldUmask := syscall.Umask(0)
    39  	defer syscall.Umask(oldUmask)
    40  
    41  	topDir := filepath.Join(c.MkDir(), "asserts-db")
    42  	err := os.MkdirAll(topDir, 0775)
    43  	c.Assert(err, IsNil)
    44  
    45  	bs, err := asserts.OpenFSKeypairManager(topDir)
    46  	c.Check(err, IsNil)
    47  	c.Check(bs, NotNil)
    48  
    49  	info, err := os.Stat(filepath.Join(topDir, "private-keys-v1"))
    50  	c.Assert(err, IsNil)
    51  	c.Assert(info.IsDir(), Equals, true)
    52  	c.Check(info.Mode().Perm(), Equals, os.FileMode(0775))
    53  }
    54  
    55  func (fsbss *fsKeypairMgrSuite) TestOpenWorldWritableFail(c *C) {
    56  	topDir := filepath.Join(c.MkDir(), "asserts-db")
    57  	// make it world-writable
    58  	oldUmask := syscall.Umask(0)
    59  	os.MkdirAll(filepath.Join(topDir, "private-keys-v1"), 0777)
    60  	syscall.Umask(oldUmask)
    61  
    62  	bs, err := asserts.OpenFSKeypairManager(topDir)
    63  	c.Assert(err, ErrorMatches, "assert storage root unexpectedly world-writable: .*")
    64  	c.Check(bs, IsNil)
    65  }