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package ssh
import (
"testing"
"github.com/go-git/go-git/v5/plumbing/transport"
"github.com/gliderlabs/ssh"
"github.com/kevinburke/ssh_config"
stdssh "golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/testdata"
. "gopkg.in/check.v1"
)
func Test(t *testing.T) { TestingT(t) }
func (s *SuiteCommon) TestOverrideConfig(c *C) {
config := &stdssh.ClientConfig{
User: "foo",
Auth: []stdssh.AuthMethod{
stdssh.Password("yourpassword"),
},
HostKeyCallback: stdssh.FixedHostKey(nil),
}
target := &stdssh.ClientConfig{}
overrideConfig(config, target)
c.Assert(target.User, Equals, "foo")
c.Assert(target.Auth, HasLen, 1)
c.Assert(target.HostKeyCallback, NotNil)
}
func (s *SuiteCommon) TestOverrideConfigKeep(c *C) {
config := &stdssh.ClientConfig{
User: "foo",
}
target := &stdssh.ClientConfig{
User: "bar",
}
overrideConfig(config, target)
c.Assert(target.User, Equals, "foo")
}
func (s *SuiteCommon) TestDefaultSSHConfig(c *C) {
defer func() {
DefaultSSHConfig = ssh_config.DefaultUserSettings
}()
DefaultSSHConfig = &mockSSHConfig{map[string]map[string]string{
"github.com": {
"Hostname": "foo.local",
"Port": "42",
},
}}
ep, err := transport.NewEndpoint("git@github.com:foo/bar.git")
c.Assert(err, IsNil)
cmd := &command{endpoint: ep}
c.Assert(cmd.getHostWithPort(), Equals, "foo.local:42")
}
func (s *SuiteCommon) TestDefaultSSHConfigNil(c *C) {
defer func() {
DefaultSSHConfig = ssh_config.DefaultUserSettings
}()
DefaultSSHConfig = nil
ep, err := transport.NewEndpoint("git@github.com:foo/bar.git")
c.Assert(err, IsNil)
cmd := &command{endpoint: ep}
c.Assert(cmd.getHostWithPort(), Equals, "github.com:22")
}
func (s *SuiteCommon) TestDefaultSSHConfigWildcard(c *C) {
defer func() {
DefaultSSHConfig = ssh_config.DefaultUserSettings
}()
DefaultSSHConfig = &mockSSHConfig{Values: map[string]map[string]string{
"*": {
"Port": "42",
},
}}
ep, err := transport.NewEndpoint("git@github.com:foo/bar.git")
c.Assert(err, IsNil)
cmd := &command{endpoint: ep}
c.Assert(cmd.getHostWithPort(), Equals, "github.com:22")
}
func (s *SuiteCommon) TestIgnoreHostKeyCallback(c *C) {
uploadPack := &UploadPackSuite{
opts: []ssh.Option{
ssh.HostKeyPEM(testdata.PEMBytes["ed25519"]),
},
}
uploadPack.SetUpSuite(c)
// Use the default client, which does not have a host key callback
uploadPack.Client = DefaultClient
auth, err := NewPublicKeys("foo", testdata.PEMBytes["rsa"], "")
c.Assert(err, IsNil)
c.Assert(auth, NotNil)
auth.HostKeyCallback = stdssh.InsecureIgnoreHostKey()
ep := uploadPack.newEndpoint(c, "bar.git")
ps, err := uploadPack.Client.NewUploadPackSession(ep, auth)
c.Assert(err, IsNil)
c.Assert(ps, NotNil)
}
func (s *SuiteCommon) TestFixedHostKeyCallback(c *C) {
hostKey, err := stdssh.ParsePrivateKey(testdata.PEMBytes["ed25519"])
c.Assert(err, IsNil)
uploadPack := &UploadPackSuite{
opts: []ssh.Option{
ssh.HostKeyPEM(testdata.PEMBytes["ed25519"]),
},
}
uploadPack.SetUpSuite(c)
// Use the default client, which does not have a host key callback
uploadPack.Client = DefaultClient
auth, err := NewPublicKeys("foo", testdata.PEMBytes["rsa"], "")
c.Assert(err, IsNil)
c.Assert(auth, NotNil)
auth.HostKeyCallback = stdssh.FixedHostKey(hostKey.PublicKey())
ep := uploadPack.newEndpoint(c, "bar.git")
ps, err := uploadPack.Client.NewUploadPackSession(ep, auth)
c.Assert(err, IsNil)
c.Assert(ps, NotNil)
}
func (s *SuiteCommon) TestFailHostKeyCallback(c *C) {
uploadPack := &UploadPackSuite{
opts: []ssh.Option{
ssh.HostKeyPEM(testdata.PEMBytes["ed25519"]),
},
}
uploadPack.SetUpSuite(c)
// Use the default client, which does not have a host key callback
uploadPack.Client = DefaultClient
auth, err := NewPublicKeys("foo", testdata.PEMBytes["rsa"], "")
c.Assert(err, IsNil)
c.Assert(auth, NotNil)
ep := uploadPack.newEndpoint(c, "bar.git")
_, err = uploadPack.Client.NewUploadPackSession(ep, auth)
c.Assert(err, NotNil)
}
func (s *SuiteCommon) TestIssue70(c *C) {
uploadPack := &UploadPackSuite{}
uploadPack.SetUpSuite(c)
config := &stdssh.ClientConfig{
HostKeyCallback: stdssh.InsecureIgnoreHostKey(),
}
r := &runner{
config: config,
}
cmd, err := r.Command("command", uploadPack.newEndpoint(c, "endpoint"), uploadPack.EmptyAuth)
c.Assert(err, IsNil)
c.Assert(cmd.(*command).client.Close(), IsNil)
err = cmd.Close()
c.Assert(err, IsNil)
}
type mockSSHConfig struct {
Values map[string]map[string]string
}
func (c *mockSSHConfig) Get(alias, key string) string {
a, ok := c.Values[alias]
if !ok {
return c.Values["*"][key]
}
return a[key]
}
|
