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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2021 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 signtool_test
import (
"os"
"gopkg.in/check.v1"
"github.com/snapcore/snapd/asserts"
"github.com/snapcore/snapd/asserts/signtool"
"github.com/snapcore/snapd/testutil"
)
type keymgrSuite struct{}
var _ = check.Suite(&keymgrSuite{})
func (keymgrSuite) TestGPGKeypairManager(c *check.C) {
keypairMgr, err := signtool.GetKeypairManager()
c.Check(err, check.IsNil)
c.Check(keypairMgr, check.FitsTypeOf, &asserts.GPGKeypairManager{})
}
func mockNopExtKeyMgr(c *check.C) (pgm *testutil.MockCmd, restore func()) {
os.Setenv("SNAPD_EXT_KEYMGR", "keymgr")
pgm = testutil.MockCommand(c, "keymgr", `
if [ "$1" == "features" ]; then
echo '{"signing":["RSA-PKCS"] , "public-keys":["DER"]}'
exit 0
fi
exit 1
`)
r := func() {
pgm.Restore()
os.Unsetenv("SNAPD_EXT_KEYMGR")
}
return pgm, r
}
func (keymgrSuite) TestExternalKeypairManager(c *check.C) {
pgm, restore := mockNopExtKeyMgr(c)
defer restore()
keypairMgr, err := signtool.GetKeypairManager()
c.Check(err, check.IsNil)
c.Check(keypairMgr, check.FitsTypeOf, &asserts.ExternalKeypairManager{})
c.Check(pgm.Calls(), check.HasLen, 1)
}
func (keymgrSuite) TestExternalKeypairManagerError(c *check.C) {
os.Setenv("SNAPD_EXT_KEYMGR", "keymgr")
defer os.Unsetenv("SNAPD_EXT_KEYMGR")
pgm := testutil.MockCommand(c, "keymgr", `
exit 1
`)
defer pgm.Restore()
_, err := signtool.GetKeypairManager()
c.Check(err, check.ErrorMatches, `cannot setup external keypair manager: external keypair manager "keymgr" \[features\] failed: exit status 1.*`)
}
func (keymgrSuite) TestExternalKeypairManagerGenerateKey(c *check.C) {
_, restore := mockNopExtKeyMgr(c)
defer restore()
keypairMgr, err := signtool.GetKeypairManager()
c.Check(err, check.IsNil)
err = signtool.GenerateKey(keypairMgr, "key")
c.Check(err, check.ErrorMatches, `cannot generate external keypair manager key via snap command, use the appropriate external procedure to create a 4096-bit RSA key under the name/label "key"`)
}
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