sshd: we don't need the user certificate

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino
2022-03-31 18:16:50 +02:00
parent e079444e8a
commit 5c114b28e3
10 changed files with 70 additions and 37 deletions

View File

@@ -116,10 +116,13 @@ iixITGvaNZh/tjAAAACW5pY29sYUBwMQE=
// this is testPubKey signed using testCAUserKey but expired.
// % ssh-keygen -s ca_user_key -I test_user_sftp -n test_user_sftp -V 20100101123000:20110101123000 -z 4 /tmp/test.pub
testCertExpired = "ssh-rsa-cert-v01@openssh.com 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 nicola@p1"
configDir = ".."
osWindows = "windows"
testFileName = "test_file_sftp.dat"
testDLFileName = "test_download_sftp.dat"
// this is testPubKey signed without a principal
// ssh-keygen -s ca_user_key -I test_user_sftp -V always:forever -O source-address=127.0.0.1 -z 1 /tmp/test.pub
testCertNoPrincipals = "ssh-rsa-cert-v01@openssh.com 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 nicola@p1"
configDir = ".."
osWindows = "windows"
testFileName = "test_file_sftp.dat"
testDLFileName = "test_download_sftp.dat"
)
var (
@@ -1788,7 +1791,6 @@ func TestLogin(t *testing.T) {
func TestLoginUserCert(t *testing.T) {
u := getTestUser(true)
u.PublicKeys = []string{testCertValid, testCertUntrustedCA, testHostCert, testCertOtherSourceAddress, testCertExpired}
user, _, err := httpdtest.AddUser(u, http.StatusCreated)
assert.NoError(t, err)
// try login using a cert signed from a trusted CA
@@ -1832,11 +1834,28 @@ func TestLoginUserCert(t *testing.T) {
client.Close()
conn.Close()
}
// try login using a certificate with no principals
signer, err = getSignerForUserCert([]byte(testCertNoPrincipals))
assert.NoError(t, err)
conn, client, err = getCustomAuthSftpClient(user, []ssh.AuthMethod{ssh.PublicKeys(signer)}, "")
if !assert.Error(t, err) {
client.Close()
conn.Close()
}
_, err = httpdtest.RemoveUser(user, http.StatusOK)
assert.NoError(t, err)
err = os.RemoveAll(user.GetHomeDir())
assert.NoError(t, err)
// the user does not exist
signer, err = getSignerForUserCert([]byte(testCertValid))
assert.NoError(t, err)
conn, client, err = getCustomAuthSftpClient(user, []ssh.AuthMethod{ssh.PublicKeys(signer)}, "")
if !assert.Error(t, err) {
client.Close()
conn.Close()
}
// now login with a username not in the set of valid principals for the given certificate
u.Username += "1"
user, _, err = httpdtest.AddUser(u, http.StatusCreated)
@@ -1989,7 +2008,6 @@ func TestMultiStepLoginKeyAndKeyInt(t *testing.T) {
func TestMultiStepLoginCertAndPwd(t *testing.T) {
u := getTestUser(true)
u.Password = defaultPassword
u.PublicKeys = []string{testCertValid, testCertOtherSourceAddress}
u.Filters.DeniedLoginMethods = append(u.Filters.DeniedLoginMethods, []string{
dataprovider.SSHLoginMethodKeyAndKeyboardInt,
dataprovider.SSHLoginMethodPublicKey,