1 files changed, 217 insertions, 0 deletions
diff --git a/vendor/github.com/pkg/sftp/sftp.go b/vendor/github.com/pkg/sftp/sftp.go
new file mode 100644
index 0000000..22184af
--- /dev/null
+++ b/vendor/github.com/pkg/sftp/sftp.go
@@ -0,0 +1,217 @@
+// Package sftp implements the SSH File Transfer Protocol as described in
+// https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt
+package sftp
+
+import (
+	"fmt"
+
+	"github.com/pkg/errors"
+)
+
+const (
+	ssh_FXP_INIT           = 1
+	ssh_FXP_VERSION        = 2
+	ssh_FXP_OPEN           = 3
+	ssh_FXP_CLOSE          = 4
+	ssh_FXP_READ           = 5
+	ssh_FXP_WRITE          = 6
+	ssh_FXP_LSTAT          = 7
+	ssh_FXP_FSTAT          = 8
+	ssh_FXP_SETSTAT        = 9
+	ssh_FXP_FSETSTAT       = 10
+	ssh_FXP_OPENDIR        = 11
+	ssh_FXP_READDIR        = 12
+	ssh_FXP_REMOVE         = 13
+	ssh_FXP_MKDIR          = 14
+	ssh_FXP_RMDIR          = 15
+	ssh_FXP_REALPATH       = 16
+	ssh_FXP_STAT           = 17
+	ssh_FXP_RENAME         = 18
+	ssh_FXP_READLINK       = 19
+	ssh_FXP_SYMLINK        = 20
+	ssh_FXP_STATUS         = 101
+	ssh_FXP_HANDLE         = 102
+	ssh_FXP_DATA           = 103
+	ssh_FXP_NAME           = 104
+	ssh_FXP_ATTRS          = 105
+	ssh_FXP_EXTENDED       = 200
+	ssh_FXP_EXTENDED_REPLY = 201
+)
+
+const (
+	ssh_FX_OK                = 0
+	ssh_FX_EOF               = 1
+	ssh_FX_NO_SUCH_FILE      = 2
+	ssh_FX_PERMISSION_DENIED = 3
+	ssh_FX_FAILURE           = 4
+	ssh_FX_BAD_MESSAGE       = 5
+	ssh_FX_NO_CONNECTION     = 6
+	ssh_FX_CONNECTION_LOST   = 7
+	ssh_FX_OP_UNSUPPORTED    = 8
+
+	// see draft-ietf-secsh-filexfer-13
+	// https://tools.ietf.org/html/draft-ietf-secsh-filexfer-13#section-9.1
+	ssh_FX_INVALID_HANDLE              = 9
+	ssh_FX_NO_SUCH_PATH                = 10
+	ssh_FX_FILE_ALREADY_EXISTS         = 11
+	ssh_FX_WRITE_PROTECT               = 12
+	ssh_FX_NO_MEDIA                    = 13
+	ssh_FX_NO_SPACE_ON_FILESYSTEM      = 14
+	ssh_FX_QUOTA_EXCEEDED              = 15
+	ssh_FX_UNKNOWN_PRINCIPAL           = 16
+	ssh_FX_LOCK_CONFLICT               = 17
+	ssh_FX_DIR_NOT_EMPTY               = 18
+	ssh_FX_NOT_A_DIRECTORY             = 19
+	ssh_FX_INVALID_FILENAME            = 20
+	ssh_FX_LINK_LOOP                   = 21
+	ssh_FX_CANNOT_DELETE               = 22
+	ssh_FX_INVALID_PARAMETER           = 23
+	ssh_FX_FILE_IS_A_DIRECTORY         = 24
+	ssh_FX_BYTE_RANGE_LOCK_CONFLICT    = 25
+	ssh_FX_BYTE_RANGE_LOCK_REFUSED     = 26
+	ssh_FX_DELETE_PENDING              = 27
+	ssh_FX_FILE_CORRUPT                = 28
+	ssh_FX_OWNER_INVALID               = 29
+	ssh_FX_GROUP_INVALID               = 30
+	ssh_FX_NO_MATCHING_BYTE_RANGE_LOCK = 31
+)
+
+const (
+	ssh_FXF_READ   = 0x00000001
+	ssh_FXF_WRITE  = 0x00000002
+	ssh_FXF_APPEND = 0x00000004
+	ssh_FXF_CREAT  = 0x00000008
+	ssh_FXF_TRUNC  = 0x00000010
+	ssh_FXF_EXCL   = 0x00000020
+)
+
+type fxp uint8
+
+func (f fxp) String() string {
+	switch f {
+	case ssh_FXP_INIT:
+		return "SSH_FXP_INIT"
+	case ssh_FXP_VERSION:
+		return "SSH_FXP_VERSION"
+	case ssh_FXP_OPEN:
+		return "SSH_FXP_OPEN"
+	case ssh_FXP_CLOSE:
+		return "SSH_FXP_CLOSE"
+	case ssh_FXP_READ:
+		return "SSH_FXP_READ"
+	case ssh_FXP_WRITE:
+		return "SSH_FXP_WRITE"
+	case ssh_FXP_LSTAT:
+		return "SSH_FXP_LSTAT"
+	case ssh_FXP_FSTAT:
+		return "SSH_FXP_FSTAT"
+	case ssh_FXP_SETSTAT:
+		return "SSH_FXP_SETSTAT"
+	case ssh_FXP_FSETSTAT:
+		return "SSH_FXP_FSETSTAT"
+	case ssh_FXP_OPENDIR:
+		return "SSH_FXP_OPENDIR"
+	case ssh_FXP_READDIR:
+		return "SSH_FXP_READDIR"
+	case ssh_FXP_REMOVE:
+		return "SSH_FXP_REMOVE"
+	case ssh_FXP_MKDIR:
+		return "SSH_FXP_MKDIR"
+	case ssh_FXP_RMDIR:
+		return "SSH_FXP_RMDIR"
+	case ssh_FXP_REALPATH:
+		return "SSH_FXP_REALPATH"
+	case ssh_FXP_STAT:
+		return "SSH_FXP_STAT"
+	case ssh_FXP_RENAME:
+		return "SSH_FXP_RENAME"
+	case ssh_FXP_READLINK:
+		return "SSH_FXP_READLINK"
+	case ssh_FXP_SYMLINK:
+		return "SSH_FXP_SYMLINK"
+	case ssh_FXP_STATUS:
+		return "SSH_FXP_STATUS"
+	case ssh_FXP_HANDLE:
+		return "SSH_FXP_HANDLE"
+	case ssh_FXP_DATA:
+		return "SSH_FXP_DATA"
+	case ssh_FXP_NAME:
+		return "SSH_FXP_NAME"
+	case ssh_FXP_ATTRS:
+		return "SSH_FXP_ATTRS"
+	case ssh_FXP_EXTENDED:
+		return "SSH_FXP_EXTENDED"
+	case ssh_FXP_EXTENDED_REPLY:
+		return "SSH_FXP_EXTENDED_REPLY"
+	default:
+		return "unknown"
+	}
+}
+
+type fx uint8
+
+func (f fx) String() string {
+	switch f {
+	case ssh_FX_OK:
+		return "SSH_FX_OK"
+	case ssh_FX_EOF:
+		return "SSH_FX_EOF"
+	case ssh_FX_NO_SUCH_FILE:
+		return "SSH_FX_NO_SUCH_FILE"
+	case ssh_FX_PERMISSION_DENIED:
+		return "SSH_FX_PERMISSION_DENIED"
+	case ssh_FX_FAILURE:
+		return "SSH_FX_FAILURE"
+	case ssh_FX_BAD_MESSAGE:
+		return "SSH_FX_BAD_MESSAGE"
+	case ssh_FX_NO_CONNECTION:
+		return "SSH_FX_NO_CONNECTION"
+	case ssh_FX_CONNECTION_LOST:
+		return "SSH_FX_CONNECTION_LOST"
+	case ssh_FX_OP_UNSUPPORTED:
+		return "SSH_FX_OP_UNSUPPORTED"
+	default:
+		return "unknown"
+	}
+}
+
+type unexpectedPacketErr struct {
+	want, got uint8
+}
+
+func (u *unexpectedPacketErr) Error() string {
+	return fmt.Sprintf("sftp: unexpected packet: want %v, got %v", fxp(u.want), fxp(u.got))
+}
+
+func unimplementedPacketErr(u uint8) error {
+	return errors.Errorf("sftp: unimplemented packet type: got %v", fxp(u))
+}
+
+type unexpectedIDErr struct{ want, got uint32 }
+
+func (u *unexpectedIDErr) Error() string {
+	return fmt.Sprintf("sftp: unexpected id: want %v, got %v", u.want, u.got)
+}
+
+func unimplementedSeekWhence(whence int) error {
+	return errors.Errorf("sftp: unimplemented seek whence %v", whence)
+}
+
+func unexpectedCount(want, got uint32) error {
+	return errors.Errorf("sftp: unexpected count: want %v, got %v", want, got)
+}
+
+type unexpectedVersionErr struct{ want, got uint32 }
+
+func (u *unexpectedVersionErr) Error() string {
+	return fmt.Sprintf("sftp: unexpected server version: want %v, got %v", u.want, u.got)
+}
+
+// A StatusError is returned when an SFTP operation fails, and provides
+// additional information about the failure.
+type StatusError struct {
+	Code      uint32
+	msg, lang string
+}
+
+func (s *StatusError) Error() string { return fmt.Sprintf("sftp: %q (%v)", s.msg, fx(s.Code)) }