Files
threshold/internal/bsr/ssh/chunk_x11_request.go
T
429247f407 [COMPLIANCE] Update Copyright Headers (#6282)
* [COMPLIANCE] Update Copyright and License Headers

* chore: make gen to generate files with copyright headers

* chore: update missed copyright headers

---------

Co-authored-by: hashicorp-copywrite[bot] <110428419+hashicorp-copywrite[bot]@users.noreply.github.com>
Co-authored-by: Justin Nguyen <justin.nguyen@hashicorp.com>
2026-01-28 11:05:07 -06:00

86 lines
2.4 KiB
Go

// Copyright IBM Corp. 2020, 2025
// SPDX-License-Identifier: BUSL-1.1
package ssh
import (
"context"
"fmt"
"github.com/hashicorp/boundary/internal/bsr"
pssh "github.com/hashicorp/boundary/internal/bsr/gen/ssh/v1"
"github.com/hashicorp/boundary/internal/bsr/internal/is"
gssh "golang.org/x/crypto/ssh"
"google.golang.org/protobuf/proto"
)
const X11RequestType = "x11"
// X11Request is a chunk to contain data for an SSH X11 request
type X11Request struct {
*bsr.BaseChunk
*pssh.X11Request
}
// MarshalData serializes an X11Request chunk
func (r *X11Request) MarshalData(ctx context.Context) ([]byte, error) {
const op = "ssh.(X11Request).MarshalData"
dataBytes, err := proto.Marshal(r.X11Request)
if err != nil {
return nil, fmt.Errorf("%s: failed to marshal data: %w", op, err)
}
d := make([]byte, 0, len(dataBytes))
d = append(d, dataBytes...)
return d, nil
}
// NewX11Request creates an X11Request chunk
func NewX11Request(ctx context.Context, d bsr.Direction, t *bsr.Timestamp, r *gssh.Request) (*X11Request, error) {
const op = "ssh.NewX11Request"
if is.Nil(r) {
return nil, fmt.Errorf("%s: request cannot be nil: %w", op, bsr.ErrInvalidParameter)
}
if r.Type != X11RequestType {
return nil, fmt.Errorf("%s: request type must be %q: %w", op, X11RequestType, bsr.ErrInvalidParameter)
}
if !bsr.ValidDirection(d) {
return nil, fmt.Errorf("%s: invalid direction: %w", op, bsr.ErrInvalidParameter)
}
if is.Nil(t) {
return nil, fmt.Errorf("%s: timestamp cannot be nil: %w", op, bsr.ErrInvalidParameter)
}
baseChunk, err := bsr.NewBaseChunk(ctx, Protocol, d, t, X11ReqChunkType)
if err != nil {
return nil, fmt.Errorf("%s: unable to create base chunk: %w", op, err)
}
var sigval x11Sigval
if err := gssh.Unmarshal(r.Payload, &sigval); err != nil {
return nil, fmt.Errorf("%s: unable to unmarshal payload: %w", op, err)
}
reqData := &X11Request{
BaseChunk: baseChunk,
X11Request: &pssh.X11Request{
RequestType: r.Type,
SenderChannel: sigval.SenderChannel,
InitialWindowSize: sigval.InitialWindowSize,
MaximumPacketSize: sigval.MaximumPacketSize,
OriginatorAddress: sigval.OriginatorAddress,
OriginatorPort: sigval.OriginatorPort,
},
}
return reqData, nil
}
type x11Sigval struct {
SenderChannel uint32
InitialWindowSize uint32
MaximumPacketSize uint32
OriginatorAddress string
OriginatorPort uint32
}