add callback for pipe start and pipe err (#145)

* add onstart onerr cb

* cover by e2e

* add missing plugin

* happy lint
This commit is contained in:
Boshi Lian 2023-03-11 03:30:42 -08:00 committed by GitHub
parent f0e9accbd0
commit 1cd6cd86d9
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
11 changed files with 823 additions and 131 deletions

View file

@ -16,7 +16,7 @@ import (
)
type daemon struct {
config *ssh.PiperConfig
config *plugin.GrpcPluginConfig
lis net.Listener
loginGraceTime time.Duration
@ -25,7 +25,7 @@ type daemon struct {
}
func newDaemon(ctx *cli.Context) (*daemon, error) {
config := &ssh.PiperConfig{}
config := &plugin.GrpcPluginConfig{}
config.SetDefaults()
keybase64 := ctx.String("server-key-data")
@ -139,7 +139,7 @@ func (d *daemon) run() error {
errorc := make(chan error)
go func() {
p, err := ssh.NewSSHPiperConn(c, d.config)
p, err := ssh.NewSSHPiperConn(c, &d.config.PiperConfig)
if err != nil {
errorc <- err
@ -200,8 +200,16 @@ func (d *daemon) run() error {
}
}
if d.config.PipeStartCallback != nil {
d.config.PipeStartCallback(p.DownstreamConnMeta(), p.ChallengeContext())
}
err = p.WaitWithHook(uphook, downhook)
if d.config.PipeErrorCallback != nil {
d.config.PipeErrorCallback(p.DownstreamConnMeta(), p.ChallengeContext(), err)
}
log.Infof("connection from %v closed reason: %v", c.RemoteAddr(), err)
}(conn)
}

View file

@ -10,7 +10,7 @@ import (
)
type ChainPlugins struct {
pluginsCallback []*ssh.PiperConfig
pluginsCallback []*GrpcPluginConfig
plugins []*GrpcPlugin
}
@ -96,7 +96,7 @@ func (cp *ChainPlugins) NextAuthMethods(conn ssh.ConnMetadata, challengeCtx ssh.
return methods, nil
}
func (cp *ChainPlugins) InstallPiperConfig(config *ssh.PiperConfig) error {
func (cp *ChainPlugins) InstallPiperConfig(config *GrpcPluginConfig) error {
config.CreateChallengeContext = func(conn ssh.ConnMetadata) (ssh.ChallengeContext, error) {
ctx, err := cp.CreateChallengeContext(conn)
@ -140,5 +140,19 @@ func (cp *ChainPlugins) InstallPiperConfig(config *ssh.PiperConfig) error {
return ""
}
config.PipeStartCallback = func(conn ssh.ConnMetadata, challengeCtx ssh.ChallengeContext) {
cur := cp.pluginsCallback[challengeCtx.(*chainConnMeta).current]
if cur.PipeStartCallback != nil {
cur.PipeStartCallback(conn, challengeCtx)
}
}
config.PipeErrorCallback = func(conn ssh.ConnMetadata, challengeCtx ssh.ChallengeContext, err error) {
cur := cp.pluginsCallback[challengeCtx.(*chainConnMeta).current]
if cur.PipeErrorCallback != nil {
cur.PipeErrorCallback(conn, challengeCtx, err)
}
}
return nil
}

View file

@ -19,6 +19,13 @@ import (
"google.golang.org/grpc/credentials/insecure"
)
type GrpcPluginConfig struct {
ssh.PiperConfig
PipeStartCallback func(conn ssh.ConnMetadata, challengeCtx ssh.ChallengeContext)
PipeErrorCallback func(conn ssh.ConnMetadata, challengeCtx ssh.ChallengeContext, err error)
}
type GrpcPlugin struct {
Name string
OnNextPlugin func(conn ssh.ChallengeContext, upstream *libplugin.UpstreamNextPluginAuth) error
@ -41,7 +48,7 @@ func DialGrpc(conn *grpc.ClientConn) (*GrpcPlugin, error) {
return p, nil
}
func (g *GrpcPlugin) InstallPiperConfig(config *ssh.PiperConfig) error {
func (g *GrpcPlugin) InstallPiperConfig(config *GrpcPluginConfig) error {
cb, err := g.client.ListCallbacks(context.Background(), &libplugin.ListCallbackRequest{})
if err != nil {
@ -119,6 +126,10 @@ func (g *GrpcPlugin) InstallPiperConfig(config *ssh.PiperConfig) error {
config.BannerCallback = g.BannerCallback
case "VerifyHostKey":
// ignore
case "PipeStart":
config.PipeStartCallback = g.PipeStartCallback
case "PipeError":
config.PipeErrorCallback = g.PipeErrorCallback
default:
return fmt.Errorf("unknown callback %s", c)
}
@ -127,8 +138,8 @@ func (g *GrpcPlugin) InstallPiperConfig(config *ssh.PiperConfig) error {
return nil
}
func (g *GrpcPlugin) CreatePiperConfig() (*ssh.PiperConfig, error) {
config := &ssh.PiperConfig{}
func (g *GrpcPlugin) CreatePiperConfig() (*GrpcPluginConfig, error) {
config := &GrpcPluginConfig{}
return config, g.InstallPiperConfig(config)
}
@ -474,6 +485,21 @@ func (g *GrpcPlugin) BannerCallback(conn ssh.ConnMetadata, challengeCtx ssh.Chal
return reply.GetMessage()
}
func (g *GrpcPlugin) PipeStartCallback(conn ssh.ConnMetadata, challengeCtx ssh.ChallengeContext) {
meta := toMeta(challengeCtx, conn)
_, _ = g.client.PipeStartNotice(context.Background(), &libplugin.PipeStartNoticeRequest{
Meta: meta,
})
}
func (g *GrpcPlugin) PipeErrorCallback(conn ssh.ConnMetadata, challengeCtx ssh.ChallengeContext, pipeerr error) {
meta := toMeta(challengeCtx, conn)
_, _ = g.client.PipeErrorNotice(context.Background(), &libplugin.PipeErrorNoticeRequest{
Meta: meta,
Error: pipeerr.Error(),
})
}
func (g *GrpcPlugin) RecvLogs(writer io.Writer) error {
uid, err := uuid.NewRandom()
if err != nil {

BIN
cmd/sshpiperd/sshpiperd Executable file

Binary file not shown.

2
crypto

@ -1 +1 @@
Subproject commit 0598fea726dd2233beea0324f988d0587efe246d
Subproject commit d8f78e9617d38c367b9e86ebc355a60b5e82e479

196
e2e/plugin_test.go Normal file
View file

@ -0,0 +1,196 @@
package e2e_test
import (
"fmt"
"net"
"net/http"
"net/rpc"
"testing"
"time"
"golang.org/x/crypto/ssh"
)
func createFakeSshServer(config *ssh.ServerConfig) net.Listener {
config.SetDefaults()
private, _ := ssh.ParsePrivateKey([]byte(testprivatekey))
config.AddHostKey(private)
l, err := net.Listen("tcp", "0.0.0.0:0")
if err != nil {
panic(err)
}
go func() {
for {
l, err := l.Accept()
if err != nil {
break
}
go func() {
_, _, reqs, err := ssh.NewServerConn(l, config)
if err != nil {
panic(err)
}
go ssh.DiscardRequests(reqs)
}()
}
}()
return l
}
type rpcServer struct {
NewConnectionCallback func() error
PasswordCallback func(string) (string, error)
PipeStartCallback func() error
PipeErrorCallback func(string) error
}
func (r *rpcServer) NewConnection(args string, reply *string) error {
*reply = ""
if r.NewConnectionCallback != nil {
return r.NewConnectionCallback()
}
return nil
}
func (r *rpcServer) PipeStart(args string, reply *string) error {
*reply = ""
if r.PipeStartCallback != nil {
return r.PipeStartCallback()
}
return nil
}
func (r *rpcServer) PipeError(args string, reply *string) error {
*reply = ""
if r.PipeErrorCallback != nil {
return r.PipeErrorCallback(args)
}
return nil
}
func (r *rpcServer) Password(args string, reply *string) error {
if r.PasswordCallback != nil {
rpl, err := r.PasswordCallback(args)
if err != nil {
return err
}
*reply = rpl
return nil
}
*reply = ""
return nil
}
func createRpcServer(r *rpcServer) net.Listener {
l, err := net.Listen("tcp", "0.0.0.0:0")
if err != nil {
panic(err)
}
_ = rpc.RegisterName("TestPlugin", r)
rpc.HandleHTTP()
go func() {
_ = http.Serve(l, nil)
}()
return l
}
func TestPlugin(t *testing.T) {
sshsvr := createFakeSshServer(&ssh.ServerConfig{
PasswordCallback: func(c ssh.ConnMetadata, pass []byte) (*ssh.Permissions, error) {
if string(pass) != "rpcpassword" {
return nil, fmt.Errorf("invalid password")
}
return nil, nil
},
})
defer sshsvr.Close()
cbtriggered := make(map[string]bool)
rpcsvr := createRpcServer(&rpcServer{
NewConnectionCallback: func() error {
cbtriggered["NewConnection"] = true
return nil
},
PasswordCallback: func(pass string) (string, error) {
cbtriggered["Password"] = true
return "rpcpassword", nil
},
PipeStartCallback: func() error {
cbtriggered["PipeStart"] = true
return nil
},
PipeErrorCallback: func(err string) error {
cbtriggered["PipeError"] = true
return nil
},
})
defer rpcsvr.Close()
piperaddr, piperport := nextAvailablePiperAddress()
piper, _, _, err := runCmd("/sshpiperd/sshpiperd",
"-p",
piperport,
"/sshpiperd/plugins/testplugin",
"--testsshserver",
sshsvr.Addr().String(),
"--rpcserver",
rpcsvr.Addr().String(),
)
if err != nil {
t.Errorf("failed to run sshpiperd: %v", err)
}
defer killCmd(piper)
waitForEndpointReady(piperaddr)
client, err := ssh.Dial("tcp", piperaddr, &ssh.ClientConfig{
User: "username",
Auth: []ssh.AuthMethod{
ssh.Password("yourpassword"),
},
HostKeyCallback: ssh.InsecureIgnoreHostKey(),
})
if err != nil {
t.Fatalf("failed to connect to sshpiperd: %v", err)
}
client.Close()
time.Sleep(1 * time.Second) // wait for callbacks to be triggered
if !cbtriggered["NewConnection"] {
t.Errorf("NewConnection callback not triggered")
}
if !cbtriggered["Password"] {
t.Errorf("Password callback not triggered")
}
if !cbtriggered["PipeStart"] {
t.Errorf("PipeStart callback not triggered")
}
if !cbtriggered["PipeError"] {
t.Errorf("PipeError callback not triggered")
}
}

View file

@ -1825,7 +1825,7 @@ func (x *VerifyHostKeyRequest) GetNetaddress() string {
return ""
}
type VerifyHostKeyReply struct {
type VerifyHostKeyResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
@ -1833,8 +1833,8 @@ type VerifyHostKeyReply struct {
Verified bool `protobuf:"varint,1,opt,name=verified,proto3" json:"verified,omitempty"`
}
func (x *VerifyHostKeyReply) Reset() {
*x = VerifyHostKeyReply{}
func (x *VerifyHostKeyResponse) Reset() {
*x = VerifyHostKeyResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_plugin_proto_msgTypes[32]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@ -1842,13 +1842,13 @@ func (x *VerifyHostKeyReply) Reset() {
}
}
func (x *VerifyHostKeyReply) String() string {
func (x *VerifyHostKeyResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*VerifyHostKeyReply) ProtoMessage() {}
func (*VerifyHostKeyResponse) ProtoMessage() {}
func (x *VerifyHostKeyReply) ProtoReflect() protoreflect.Message {
func (x *VerifyHostKeyResponse) ProtoReflect() protoreflect.Message {
mi := &file_plugin_proto_msgTypes[32]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
@ -1860,18 +1860,196 @@ func (x *VerifyHostKeyReply) ProtoReflect() protoreflect.Message {
return mi.MessageOf(x)
}
// Deprecated: Use VerifyHostKeyReply.ProtoReflect.Descriptor instead.
func (*VerifyHostKeyReply) Descriptor() ([]byte, []int) {
// Deprecated: Use VerifyHostKeyResponse.ProtoReflect.Descriptor instead.
func (*VerifyHostKeyResponse) Descriptor() ([]byte, []int) {
return file_plugin_proto_rawDescGZIP(), []int{32}
}
func (x *VerifyHostKeyReply) GetVerified() bool {
func (x *VerifyHostKeyResponse) GetVerified() bool {
if x != nil {
return x.Verified
}
return false
}
type PipeStartNoticeRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Meta *ConnMeta `protobuf:"bytes,1,opt,name=meta,proto3" json:"meta,omitempty"`
}
func (x *PipeStartNoticeRequest) Reset() {
*x = PipeStartNoticeRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_plugin_proto_msgTypes[33]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *PipeStartNoticeRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*PipeStartNoticeRequest) ProtoMessage() {}
func (x *PipeStartNoticeRequest) ProtoReflect() protoreflect.Message {
mi := &file_plugin_proto_msgTypes[33]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use PipeStartNoticeRequest.ProtoReflect.Descriptor instead.
func (*PipeStartNoticeRequest) Descriptor() ([]byte, []int) {
return file_plugin_proto_rawDescGZIP(), []int{33}
}
func (x *PipeStartNoticeRequest) GetMeta() *ConnMeta {
if x != nil {
return x.Meta
}
return nil
}
type PipeStartNoticeResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *PipeStartNoticeResponse) Reset() {
*x = PipeStartNoticeResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_plugin_proto_msgTypes[34]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *PipeStartNoticeResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*PipeStartNoticeResponse) ProtoMessage() {}
func (x *PipeStartNoticeResponse) ProtoReflect() protoreflect.Message {
mi := &file_plugin_proto_msgTypes[34]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use PipeStartNoticeResponse.ProtoReflect.Descriptor instead.
func (*PipeStartNoticeResponse) Descriptor() ([]byte, []int) {
return file_plugin_proto_rawDescGZIP(), []int{34}
}
type PipeErrorNoticeRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Meta *ConnMeta `protobuf:"bytes,1,opt,name=meta,proto3" json:"meta,omitempty"`
Error string `protobuf:"bytes,2,opt,name=error,proto3" json:"error,omitempty"`
}
func (x *PipeErrorNoticeRequest) Reset() {
*x = PipeErrorNoticeRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_plugin_proto_msgTypes[35]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *PipeErrorNoticeRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*PipeErrorNoticeRequest) ProtoMessage() {}
func (x *PipeErrorNoticeRequest) ProtoReflect() protoreflect.Message {
mi := &file_plugin_proto_msgTypes[35]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use PipeErrorNoticeRequest.ProtoReflect.Descriptor instead.
func (*PipeErrorNoticeRequest) Descriptor() ([]byte, []int) {
return file_plugin_proto_rawDescGZIP(), []int{35}
}
func (x *PipeErrorNoticeRequest) GetMeta() *ConnMeta {
if x != nil {
return x.Meta
}
return nil
}
func (x *PipeErrorNoticeRequest) GetError() string {
if x != nil {
return x.Error
}
return ""
}
type PipeErrorNoticeResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *PipeErrorNoticeResponse) Reset() {
*x = PipeErrorNoticeResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_plugin_proto_msgTypes[36]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *PipeErrorNoticeResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*PipeErrorNoticeResponse) ProtoMessage() {}
func (x *PipeErrorNoticeResponse) ProtoReflect() protoreflect.Message {
mi := &file_plugin_proto_msgTypes[36]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use PipeErrorNoticeResponse.ProtoReflect.Descriptor instead.
func (*PipeErrorNoticeResponse) Descriptor() ([]byte, []int) {
return file_plugin_proto_rawDescGZIP(), []int{36}
}
type KeyboardInteractivePromptRequest_Question struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -1884,7 +2062,7 @@ type KeyboardInteractivePromptRequest_Question struct {
func (x *KeyboardInteractivePromptRequest_Question) Reset() {
*x = KeyboardInteractivePromptRequest_Question{}
if protoimpl.UnsafeEnabled {
mi := &file_plugin_proto_msgTypes[34]
mi := &file_plugin_proto_msgTypes[38]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
@ -1897,7 +2075,7 @@ func (x *KeyboardInteractivePromptRequest_Question) String() string {
func (*KeyboardInteractivePromptRequest_Question) ProtoMessage() {}
func (x *KeyboardInteractivePromptRequest_Question) ProtoReflect() protoreflect.Message {
mi := &file_plugin_proto_msgTypes[34]
mi := &file_plugin_proto_msgTypes[38]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
@ -2131,75 +2309,100 @@ var file_plugin_proto_rawDesc = []byte{
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@ -2218,7 +2421,7 @@ func file_plugin_proto_rawDescGZIP() []byte {
}
var file_plugin_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
var file_plugin_proto_msgTypes = make([]protoimpl.MessageInfo, 35)
var file_plugin_proto_msgTypes = make([]protoimpl.MessageInfo, 39)
var file_plugin_proto_goTypes = []interface{}{
(AuthMethod)(0), // 0: libplugin.AuthMethod
(*ConnMeta)(nil), // 1: libplugin.ConnMeta
@ -2253,9 +2456,13 @@ var file_plugin_proto_goTypes = []interface{}{
(*BannerRequest)(nil), // 30: libplugin.BannerRequest
(*BannerResponse)(nil), // 31: libplugin.BannerResponse
(*VerifyHostKeyRequest)(nil), // 32: libplugin.VerifyHostKeyRequest
(*VerifyHostKeyReply)(nil), // 33: libplugin.VerifyHostKeyReply
nil, // 34: libplugin.UpstreamNextPluginAuth.MetaEntry
(*KeyboardInteractivePromptRequest_Question)(nil), // 35: libplugin.KeyboardInteractivePromptRequest.Question
(*VerifyHostKeyResponse)(nil), // 33: libplugin.VerifyHostKeyResponse
(*PipeStartNoticeRequest)(nil), // 34: libplugin.PipeStartNoticeRequest
(*PipeStartNoticeResponse)(nil), // 35: libplugin.PipeStartNoticeResponse
(*PipeErrorNoticeRequest)(nil), // 36: libplugin.PipeErrorNoticeRequest
(*PipeErrorNoticeResponse)(nil), // 37: libplugin.PipeErrorNoticeResponse
nil, // 38: libplugin.UpstreamNextPluginAuth.MetaEntry
(*KeyboardInteractivePromptRequest_Question)(nil), // 39: libplugin.KeyboardInteractivePromptRequest.Question
}
var file_plugin_proto_depIdxs = []int32{
3, // 0: libplugin.Upstream.none:type_name -> libplugin.UpstreamNoneAuth
@ -2263,7 +2470,7 @@ var file_plugin_proto_depIdxs = []int32{
5, // 2: libplugin.Upstream.private_key:type_name -> libplugin.UpstreamPrivateKeyAuth
6, // 3: libplugin.Upstream.remote_signer:type_name -> libplugin.UpstreamRemoteSignerAuth
7, // 4: libplugin.Upstream.next_plugin:type_name -> libplugin.UpstreamNextPluginAuth
34, // 5: libplugin.UpstreamNextPluginAuth.meta:type_name -> libplugin.UpstreamNextPluginAuth.MetaEntry
38, // 5: libplugin.UpstreamNextPluginAuth.meta:type_name -> libplugin.UpstreamNextPluginAuth.MetaEntry
1, // 6: libplugin.NewConnectionRequest.meta:type_name -> libplugin.ConnMeta
1, // 7: libplugin.NextAuthMethodsRequest.meta:type_name -> libplugin.ConnMeta
0, // 8: libplugin.NextAuthMethodsResponse.methods:type_name -> libplugin.AuthMethod
@ -2273,7 +2480,7 @@ var file_plugin_proto_depIdxs = []int32{
2, // 12: libplugin.PasswordAuthResponse.upstream:type_name -> libplugin.Upstream
1, // 13: libplugin.PublicKeyAuthRequest.meta:type_name -> libplugin.ConnMeta
2, // 14: libplugin.PublicKeyAuthResponse.upstream:type_name -> libplugin.Upstream
35, // 15: libplugin.KeyboardInteractivePromptRequest.questions:type_name -> libplugin.KeyboardInteractivePromptRequest.Question
39, // 15: libplugin.KeyboardInteractivePromptRequest.questions:type_name -> libplugin.KeyboardInteractivePromptRequest.Question
1, // 16: libplugin.KeyboardInteractiveMetaResponse.meta:type_name -> libplugin.ConnMeta
2, // 17: libplugin.KeyboardInteractiveFinishRequest.upstream:type_name -> libplugin.Upstream
23, // 18: libplugin.KeyboardInteractiveAuthMessage.prompt_request:type_name -> libplugin.KeyboardInteractivePromptRequest
@ -2285,33 +2492,39 @@ var file_plugin_proto_depIdxs = []int32{
0, // 24: libplugin.UpstreamAuthFailureNoticeRequest.allowed_methods:type_name -> libplugin.AuthMethod
1, // 25: libplugin.BannerRequest.meta:type_name -> libplugin.ConnMeta
1, // 26: libplugin.VerifyHostKeyRequest.meta:type_name -> libplugin.ConnMeta
8, // 27: libplugin.SshPiperPlugin.Logs:input_type -> libplugin.StartLogRequest
10, // 28: libplugin.SshPiperPlugin.ListCallbacks:input_type -> libplugin.ListCallbackRequest
12, // 29: libplugin.SshPiperPlugin.NewConnection:input_type -> libplugin.NewConnectionRequest
14, // 30: libplugin.SshPiperPlugin.NextAuthMethods:input_type -> libplugin.NextAuthMethodsRequest
16, // 31: libplugin.SshPiperPlugin.NoneAuth:input_type -> libplugin.NoneAuthRequest
18, // 32: libplugin.SshPiperPlugin.PasswordAuth:input_type -> libplugin.PasswordAuthRequest
20, // 33: libplugin.SshPiperPlugin.PublicKeyAuth:input_type -> libplugin.PublicKeyAuthRequest
27, // 34: libplugin.SshPiperPlugin.KeyboardInteractiveAuth:input_type -> libplugin.KeyboardInteractiveAuthMessage
28, // 35: libplugin.SshPiperPlugin.UpstreamAuthFailureNotice:input_type -> libplugin.UpstreamAuthFailureNoticeRequest
30, // 36: libplugin.SshPiperPlugin.Banner:input_type -> libplugin.BannerRequest
32, // 37: libplugin.SshPiperPlugin.VerifyHostKey:input_type -> libplugin.VerifyHostKeyRequest
9, // 38: libplugin.SshPiperPlugin.Logs:output_type -> libplugin.Log
11, // 39: libplugin.SshPiperPlugin.ListCallbacks:output_type -> libplugin.ListCallbackResponse
13, // 40: libplugin.SshPiperPlugin.NewConnection:output_type -> libplugin.NewConnectionResponse
15, // 41: libplugin.SshPiperPlugin.NextAuthMethods:output_type -> libplugin.NextAuthMethodsResponse
17, // 42: libplugin.SshPiperPlugin.NoneAuth:output_type -> libplugin.NoneAuthResponse
19, // 43: libplugin.SshPiperPlugin.PasswordAuth:output_type -> libplugin.PasswordAuthResponse
21, // 44: libplugin.SshPiperPlugin.PublicKeyAuth:output_type -> libplugin.PublicKeyAuthResponse
27, // 45: libplugin.SshPiperPlugin.KeyboardInteractiveAuth:output_type -> libplugin.KeyboardInteractiveAuthMessage
29, // 46: libplugin.SshPiperPlugin.UpstreamAuthFailureNotice:output_type -> libplugin.UpstreamAuthFailureNoticeResponse
31, // 47: libplugin.SshPiperPlugin.Banner:output_type -> libplugin.BannerResponse
33, // 48: libplugin.SshPiperPlugin.VerifyHostKey:output_type -> libplugin.VerifyHostKeyReply
38, // [38:49] is the sub-list for method output_type
27, // [27:38] is the sub-list for method input_type
27, // [27:27] is the sub-list for extension type_name
27, // [27:27] is the sub-list for extension extendee
0, // [0:27] is the sub-list for field type_name
1, // 27: libplugin.PipeStartNoticeRequest.meta:type_name -> libplugin.ConnMeta
1, // 28: libplugin.PipeErrorNoticeRequest.meta:type_name -> libplugin.ConnMeta
8, // 29: libplugin.SshPiperPlugin.Logs:input_type -> libplugin.StartLogRequest
10, // 30: libplugin.SshPiperPlugin.ListCallbacks:input_type -> libplugin.ListCallbackRequest
12, // 31: libplugin.SshPiperPlugin.NewConnection:input_type -> libplugin.NewConnectionRequest
14, // 32: libplugin.SshPiperPlugin.NextAuthMethods:input_type -> libplugin.NextAuthMethodsRequest
16, // 33: libplugin.SshPiperPlugin.NoneAuth:input_type -> libplugin.NoneAuthRequest
18, // 34: libplugin.SshPiperPlugin.PasswordAuth:input_type -> libplugin.PasswordAuthRequest
20, // 35: libplugin.SshPiperPlugin.PublicKeyAuth:input_type -> libplugin.PublicKeyAuthRequest
27, // 36: libplugin.SshPiperPlugin.KeyboardInteractiveAuth:input_type -> libplugin.KeyboardInteractiveAuthMessage
28, // 37: libplugin.SshPiperPlugin.UpstreamAuthFailureNotice:input_type -> libplugin.UpstreamAuthFailureNoticeRequest
30, // 38: libplugin.SshPiperPlugin.Banner:input_type -> libplugin.BannerRequest
32, // 39: libplugin.SshPiperPlugin.VerifyHostKey:input_type -> libplugin.VerifyHostKeyRequest
34, // 40: libplugin.SshPiperPlugin.PipeStartNotice:input_type -> libplugin.PipeStartNoticeRequest
36, // 41: libplugin.SshPiperPlugin.PipeErrorNotice:input_type -> libplugin.PipeErrorNoticeRequest
9, // 42: libplugin.SshPiperPlugin.Logs:output_type -> libplugin.Log
11, // 43: libplugin.SshPiperPlugin.ListCallbacks:output_type -> libplugin.ListCallbackResponse
13, // 44: libplugin.SshPiperPlugin.NewConnection:output_type -> libplugin.NewConnectionResponse
15, // 45: libplugin.SshPiperPlugin.NextAuthMethods:output_type -> libplugin.NextAuthMethodsResponse
17, // 46: libplugin.SshPiperPlugin.NoneAuth:output_type -> libplugin.NoneAuthResponse
19, // 47: libplugin.SshPiperPlugin.PasswordAuth:output_type -> libplugin.PasswordAuthResponse
21, // 48: libplugin.SshPiperPlugin.PublicKeyAuth:output_type -> libplugin.PublicKeyAuthResponse
27, // 49: libplugin.SshPiperPlugin.KeyboardInteractiveAuth:output_type -> libplugin.KeyboardInteractiveAuthMessage
29, // 50: libplugin.SshPiperPlugin.UpstreamAuthFailureNotice:output_type -> libplugin.UpstreamAuthFailureNoticeResponse
31, // 51: libplugin.SshPiperPlugin.Banner:output_type -> libplugin.BannerResponse
33, // 52: libplugin.SshPiperPlugin.VerifyHostKey:output_type -> libplugin.VerifyHostKeyResponse
35, // 53: libplugin.SshPiperPlugin.PipeStartNotice:output_type -> libplugin.PipeStartNoticeResponse
37, // 54: libplugin.SshPiperPlugin.PipeErrorNotice:output_type -> libplugin.PipeErrorNoticeResponse
42, // [42:55] is the sub-list for method output_type
29, // [29:42] is the sub-list for method input_type
29, // [29:29] is the sub-list for extension type_name
29, // [29:29] is the sub-list for extension extendee
0, // [0:29] is the sub-list for field type_name
}
func init() { file_plugin_proto_init() }
@ -2705,7 +2918,19 @@ func file_plugin_proto_init() {
}
}
file_plugin_proto_msgTypes[32].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*VerifyHostKeyReply); i {
switch v := v.(*VerifyHostKeyResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_plugin_proto_msgTypes[33].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*PipeStartNoticeRequest); i {
case 0:
return &v.state
case 1:
@ -2717,6 +2942,42 @@ func file_plugin_proto_init() {
}
}
file_plugin_proto_msgTypes[34].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*PipeStartNoticeResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_plugin_proto_msgTypes[35].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*PipeErrorNoticeRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_plugin_proto_msgTypes[36].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*PipeErrorNoticeResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_plugin_proto_msgTypes[38].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*KeyboardInteractivePromptRequest_Question); i {
case 0:
return &v.state
@ -2749,7 +3010,7 @@ func file_plugin_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_plugin_proto_rawDesc,
NumEnums: 1,
NumMessages: 35,
NumMessages: 39,
NumExtensions: 0,
NumServices: 1,
},

View file

@ -57,7 +57,9 @@ service SshPiperPlugin {
rpc KeyboardInteractiveAuth(stream KeyboardInteractiveAuthMessage) returns (stream KeyboardInteractiveAuthMessage);
rpc UpstreamAuthFailureNotice(UpstreamAuthFailureNoticeRequest) returns (UpstreamAuthFailureNoticeResponse) {};
rpc Banner(BannerRequest) returns (BannerResponse) {};
rpc VerifyHostKey (VerifyHostKeyRequest) returns (VerifyHostKeyReply) {}
rpc VerifyHostKey (VerifyHostKeyRequest) returns (VerifyHostKeyResponse) {}
rpc PipeStartNotice(PipeStartNoticeRequest) returns (PipeStartNoticeResponse) {}
rpc PipeErrorNotice(PipeErrorNoticeRequest) returns (PipeErrorNoticeResponse) {}
}
message StartLogRequest {
@ -186,6 +188,21 @@ message VerifyHostKeyRequest {
string netaddress = 4;
}
message VerifyHostKeyReply {
message VerifyHostKeyResponse {
bool verified = 1;
}
message PipeStartNoticeRequest {
ConnMeta meta = 1;
}
message PipeStartNoticeResponse {
}
message PipeErrorNoticeRequest {
ConnMeta meta = 1;
string error = 2;
}
message PipeErrorNoticeResponse {
}

View file

@ -32,7 +32,9 @@ type SshPiperPluginClient interface {
KeyboardInteractiveAuth(ctx context.Context, opts ...grpc.CallOption) (SshPiperPlugin_KeyboardInteractiveAuthClient, error)
UpstreamAuthFailureNotice(ctx context.Context, in *UpstreamAuthFailureNoticeRequest, opts ...grpc.CallOption) (*UpstreamAuthFailureNoticeResponse, error)
Banner(ctx context.Context, in *BannerRequest, opts ...grpc.CallOption) (*BannerResponse, error)
VerifyHostKey(ctx context.Context, in *VerifyHostKeyRequest, opts ...grpc.CallOption) (*VerifyHostKeyReply, error)
VerifyHostKey(ctx context.Context, in *VerifyHostKeyRequest, opts ...grpc.CallOption) (*VerifyHostKeyResponse, error)
PipeStartNotice(ctx context.Context, in *PipeStartNoticeRequest, opts ...grpc.CallOption) (*PipeStartNoticeResponse, error)
PipeErrorNotice(ctx context.Context, in *PipeErrorNoticeRequest, opts ...grpc.CallOption) (*PipeErrorNoticeResponse, error)
}
type sshPiperPluginClient struct {
@ -178,8 +180,8 @@ func (c *sshPiperPluginClient) Banner(ctx context.Context, in *BannerRequest, op
return out, nil
}
func (c *sshPiperPluginClient) VerifyHostKey(ctx context.Context, in *VerifyHostKeyRequest, opts ...grpc.CallOption) (*VerifyHostKeyReply, error) {
out := new(VerifyHostKeyReply)
func (c *sshPiperPluginClient) VerifyHostKey(ctx context.Context, in *VerifyHostKeyRequest, opts ...grpc.CallOption) (*VerifyHostKeyResponse, error) {
out := new(VerifyHostKeyResponse)
err := c.cc.Invoke(ctx, "/libplugin.SshPiperPlugin/VerifyHostKey", in, out, opts...)
if err != nil {
return nil, err
@ -187,6 +189,24 @@ func (c *sshPiperPluginClient) VerifyHostKey(ctx context.Context, in *VerifyHost
return out, nil
}
func (c *sshPiperPluginClient) PipeStartNotice(ctx context.Context, in *PipeStartNoticeRequest, opts ...grpc.CallOption) (*PipeStartNoticeResponse, error) {
out := new(PipeStartNoticeResponse)
err := c.cc.Invoke(ctx, "/libplugin.SshPiperPlugin/PipeStartNotice", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *sshPiperPluginClient) PipeErrorNotice(ctx context.Context, in *PipeErrorNoticeRequest, opts ...grpc.CallOption) (*PipeErrorNoticeResponse, error) {
out := new(PipeErrorNoticeResponse)
err := c.cc.Invoke(ctx, "/libplugin.SshPiperPlugin/PipeErrorNotice", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// SshPiperPluginServer is the server API for SshPiperPlugin service.
// All implementations must embed UnimplementedSshPiperPluginServer
// for forward compatibility
@ -201,7 +221,9 @@ type SshPiperPluginServer interface {
KeyboardInteractiveAuth(SshPiperPlugin_KeyboardInteractiveAuthServer) error
UpstreamAuthFailureNotice(context.Context, *UpstreamAuthFailureNoticeRequest) (*UpstreamAuthFailureNoticeResponse, error)
Banner(context.Context, *BannerRequest) (*BannerResponse, error)
VerifyHostKey(context.Context, *VerifyHostKeyRequest) (*VerifyHostKeyReply, error)
VerifyHostKey(context.Context, *VerifyHostKeyRequest) (*VerifyHostKeyResponse, error)
PipeStartNotice(context.Context, *PipeStartNoticeRequest) (*PipeStartNoticeResponse, error)
PipeErrorNotice(context.Context, *PipeErrorNoticeRequest) (*PipeErrorNoticeResponse, error)
mustEmbedUnimplementedSshPiperPluginServer()
}
@ -239,9 +261,15 @@ func (UnimplementedSshPiperPluginServer) UpstreamAuthFailureNotice(context.Conte
func (UnimplementedSshPiperPluginServer) Banner(context.Context, *BannerRequest) (*BannerResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method Banner not implemented")
}
func (UnimplementedSshPiperPluginServer) VerifyHostKey(context.Context, *VerifyHostKeyRequest) (*VerifyHostKeyReply, error) {
func (UnimplementedSshPiperPluginServer) VerifyHostKey(context.Context, *VerifyHostKeyRequest) (*VerifyHostKeyResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method VerifyHostKey not implemented")
}
func (UnimplementedSshPiperPluginServer) PipeStartNotice(context.Context, *PipeStartNoticeRequest) (*PipeStartNoticeResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method PipeStartNotice not implemented")
}
func (UnimplementedSshPiperPluginServer) PipeErrorNotice(context.Context, *PipeErrorNoticeRequest) (*PipeErrorNoticeResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method PipeErrorNotice not implemented")
}
func (UnimplementedSshPiperPluginServer) mustEmbedUnimplementedSshPiperPluginServer() {}
// UnsafeSshPiperPluginServer may be embedded to opt out of forward compatibility for this service.
@ -464,6 +492,42 @@ func _SshPiperPlugin_VerifyHostKey_Handler(srv interface{}, ctx context.Context,
return interceptor(ctx, in, info, handler)
}
func _SshPiperPlugin_PipeStartNotice_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(PipeStartNoticeRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(SshPiperPluginServer).PipeStartNotice(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/libplugin.SshPiperPlugin/PipeStartNotice",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(SshPiperPluginServer).PipeStartNotice(ctx, req.(*PipeStartNoticeRequest))
}
return interceptor(ctx, in, info, handler)
}
func _SshPiperPlugin_PipeErrorNotice_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(PipeErrorNoticeRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(SshPiperPluginServer).PipeErrorNotice(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/libplugin.SshPiperPlugin/PipeErrorNotice",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(SshPiperPluginServer).PipeErrorNotice(ctx, req.(*PipeErrorNoticeRequest))
}
return interceptor(ctx, in, info, handler)
}
// SshPiperPlugin_ServiceDesc is the grpc.ServiceDesc for SshPiperPlugin service.
// It's only intended for direct use with grpc.RegisterService,
// and not to be introspected or modified (even as a copy)
@ -507,6 +571,14 @@ var SshPiperPlugin_ServiceDesc = grpc.ServiceDesc{
MethodName: "VerifyHostKey",
Handler: _SshPiperPlugin_VerifyHostKey_Handler,
},
{
MethodName: "PipeStartNotice",
Handler: _SshPiperPlugin_PipeStartNotice_Handler,
},
{
MethodName: "PipeErrorNotice",
Handler: _SshPiperPlugin_PipeErrorNotice_Handler,
},
},
Streams: []grpc.StreamDesc{
{

View file

@ -54,6 +54,10 @@ type SshPiperPluginConfig struct {
BannerCallback func(conn ConnMetadata) string
VerifyHostKeyCallback func(conn ConnMetadata, hostname, netaddr string, key []byte) error
PipeStartCallback func(conn ConnMetadata)
PipeErrorCallback func(conn ConnMetadata, err error)
}
type SshPiperPlugin interface {
@ -180,6 +184,14 @@ func (s *server) ListCallbacks(ctx context.Context, req *ListCallbackRequest) (*
cb = append(cb, "VerifyHostKey")
}
if s.config.PipeStartCallback != nil {
cb = append(cb, "PipeStart")
}
if s.config.PipeErrorCallback != nil {
cb = append(cb, "PipeError")
}
return &ListCallbackResponse{
Callbacks: cb,
}, nil
@ -377,7 +389,7 @@ func (s *server) Banner(ctx context.Context, req *BannerRequest) (*BannerRespons
}, nil
}
func (s *server) VerifyHostKey(ctx context.Context, req *VerifyHostKeyRequest) (*VerifyHostKeyReply, error) {
func (s *server) VerifyHostKey(ctx context.Context, req *VerifyHostKeyRequest) (*VerifyHostKeyResponse, error) {
if s.config.VerifyHostKeyCallback == nil {
return nil, status.Errorf(codes.Unimplemented, "method VerifyHostKey not implemented")
}
@ -387,7 +399,27 @@ func (s *server) VerifyHostKey(ctx context.Context, req *VerifyHostKeyRequest) (
return nil, err
}
return &VerifyHostKeyReply{
return &VerifyHostKeyResponse{
Verified: true,
}, nil
}
func (s *server) PipeStartNotice(ctx context.Context, req *PipeStartNoticeRequest) (*PipeStartNoticeResponse, error) {
if s.config.PipeStartCallback == nil {
return nil, status.Errorf(codes.Unimplemented, "method PipeStartNotice not implemented")
}
s.config.PipeStartCallback(req.Meta)
return &PipeStartNoticeResponse{}, nil
}
func (s *server) PipeErrorNotice(ctx context.Context, req *PipeErrorNoticeRequest) (*PipeErrorNoticeResponse, error) {
if s.config.PipeErrorCallback == nil {
return nil, status.Errorf(codes.Unimplemented, "method PipeErrorNotice not implemented")
}
s.config.PipeErrorCallback(req.Meta, fmt.Errorf(req.Error))
return &PipeErrorNoticeResponse{}, nil
}

66
plugin/testplugin/main.go Normal file
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@ -0,0 +1,66 @@
//go:build e2e
package main
import (
"net/rpc"
"github.com/tg123/sshpiper/libplugin"
"github.com/urfave/cli/v2"
)
func main() {
libplugin.CreateAndRunPluginTemplate(&libplugin.PluginTemplate{
Name: "testplugin",
Usage: "e2e test plugin only",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "rpcserver",
Required: true,
},
&cli.StringFlag{
Name: "testsshserver",
Required: true,
},
},
CreateConfig: func(c *cli.Context) (*libplugin.SshPiperPluginConfig, error) {
rpcclient, err := rpc.DialHTTP("tcp", c.String("rpcserver"))
if err != nil {
return nil, err
}
host, port, err := libplugin.SplitHostPortForSSH(c.String("testsshserver"))
if err != nil {
return nil, err
}
return &libplugin.SshPiperPluginConfig{
NewConnectionCallback: func(conn libplugin.ConnMetadata) error {
return rpcclient.Call("TestPlugin.NewConnection", "", nil)
},
PipeStartCallback: func(conn libplugin.ConnMetadata) {
rpcclient.Call("TestPlugin.PipeStart", "", nil)
},
PipeErrorCallback: func(conn libplugin.ConnMetadata, err error) {
rpcclient.Call("TestPlugin.PipeError", err.Error(), nil)
},
PasswordCallback: func(conn libplugin.ConnMetadata, password []byte) (*libplugin.Upstream, error) {
var newpass string
err := rpcclient.Call("TestPlugin.Password", string(password), &newpass)
if err != nil {
return nil, err
}
return &libplugin.Upstream{
Host: host,
Port: int32(port),
Auth: libplugin.CreatePasswordAuthFromString(newpass),
IgnoreHostKey: true,
}, nil
},
}, nil
},
})
}