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|
package client
import (
"fmt"
"reflect"
"testing"
"github.com/mimecast/dtail/internal/io/dlog"
gossh "golang.org/x/crypto/ssh"
)
func TestCollectKnownHostsAuthMethodsOrder(t *testing.T) {
homeDir := "/tmp/dtail-auth-order"
t.Setenv("HOME", homeDir)
originalPrivateKeyAuthMethod := privateKeyAuthMethod
originalAgentAuthMethod := agentAuthMethod
originalLogger := dlog.Client
dlog.Client = &dlog.DLog{}
t.Cleanup(func() {
privateKeyAuthMethod = originalPrivateKeyAuthMethod
agentAuthMethod = originalAgentAuthMethod
dlog.Client = originalLogger
})
var callOrder []string
successfulPrivateKeys := map[string]bool{
"/custom/id_fast": true,
homeDir + "/.ssh/id_rsa": true,
homeDir + "/.ssh/id_dsa": true,
}
privateKeyAuthMethod = func(path string) (gossh.AuthMethod, error) {
callOrder = append(callOrder, "private:"+path)
if !successfulPrivateKeys[path] {
return nil, fmt.Errorf("missing private key: %s", path)
}
return gossh.Password(path), nil
}
agentAuthMethod = func(keyIndex int) (gossh.AuthMethod, error) {
callOrder = append(callOrder, fmt.Sprintf("agent:%d", keyIndex))
return gossh.Password("agent"), nil
}
methods := collectKnownHostsAuthMethods("/custom/id_fast", 7)
if len(methods) != 4 {
t.Fatalf("Expected 4 auth methods, got %d", len(methods))
}
expectedOrder := []string{
"private:/custom/id_fast",
"agent:7",
"private:/tmp/dtail-auth-order/.ssh/id_rsa",
"private:/tmp/dtail-auth-order/.ssh/id_dsa",
"private:/tmp/dtail-auth-order/.ssh/id_ecdsa",
"private:/tmp/dtail-auth-order/.ssh/id_ed25519",
}
if !reflect.DeepEqual(callOrder, expectedOrder) {
t.Fatalf("Unexpected auth method call order.\nexpected: %v\ngot: %v", expectedOrder, callOrder)
}
}
func TestCollectKnownHostsAuthMethodsSkipsDuplicateDefaultPath(t *testing.T) {
homeDir := "/tmp/dtail-auth-dedupe"
t.Setenv("HOME", homeDir)
originalPrivateKeyAuthMethod := privateKeyAuthMethod
originalAgentAuthMethod := agentAuthMethod
originalLogger := dlog.Client
dlog.Client = &dlog.DLog{}
t.Cleanup(func() {
privateKeyAuthMethod = originalPrivateKeyAuthMethod
agentAuthMethod = originalAgentAuthMethod
dlog.Client = originalLogger
})
var callOrder []string
privateKeyAuthMethod = func(path string) (gossh.AuthMethod, error) {
callOrder = append(callOrder, "private:"+path)
if path == homeDir+"/.ssh/id_rsa" {
return gossh.Password(path), nil
}
return nil, fmt.Errorf("missing private key: %s", path)
}
agentAuthMethod = func(keyIndex int) (gossh.AuthMethod, error) {
callOrder = append(callOrder, fmt.Sprintf("agent:%d", keyIndex))
return gossh.Password("agent"), nil
}
methods := collectKnownHostsAuthMethods(homeDir+"/.ssh/id_rsa", 2)
if len(methods) != 2 {
t.Fatalf("Expected 2 auth methods, got %d", len(methods))
}
expectedOrder := []string{
"private:/tmp/dtail-auth-dedupe/.ssh/id_rsa",
"agent:2",
"private:/tmp/dtail-auth-dedupe/.ssh/id_dsa",
"private:/tmp/dtail-auth-dedupe/.ssh/id_ecdsa",
"private:/tmp/dtail-auth-dedupe/.ssh/id_ed25519",
}
if !reflect.DeepEqual(callOrder, expectedOrder) {
t.Fatalf("Unexpected auth method call order.\nexpected: %v\ngot: %v", expectedOrder, callOrder)
}
}
|
