fsgofer

package
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Published: Nov 10, 2023 License: Apache-2.0, MIT Imports: 17 Imported by: 0

Documentation

Overview

Package fsgofer provides a lisafs server implementation which gives access to local files.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func OpenProcSelfFD

func OpenProcSelfFD() error

OpenProcSelfFD opens the /proc/self/fd directory, which will be used to reopen file descriptors.

Types

type Config

type Config struct {
	// ROMount is set to true if this is a readonly mount.
	ROMount bool

	// PanicOnWrite panics on attempts to write to RO mounts.
	PanicOnWrite bool

	// HostUDS signals whether the gofer can connect to host unix domain sockets.
	HostUDS config.HostUDS

	// HostFifo signals whether the gofer can connect to host FIFOs.
	HostFifo config.HostFifo

	// DonateMountPointFD indicates whether a host FD to the mount point should
	// be donated to the client on Mount RPC.
	DonateMountPointFD bool
}

Config sets configuration options for each attach point.

type LisafsServer

type LisafsServer struct {
	lisafs.Server
	// contains filtered or unexported fields
}

LisafsServer implements lisafs.ServerImpl for fsgofer.

func NewLisafsServer

func NewLisafsServer(config Config) *LisafsServer

NewLisafsServer initializes a new lisafs server for fsgofer.

func (*LisafsServer) MaxMessageSize

func (s *LisafsServer) MaxMessageSize() uint32

MaxMessageSize implements lisafs.ServerImpl.MaxMessageSize.

func (*LisafsServer) Mount

func (s *LisafsServer) Mount(c *lisafs.Connection, mountNode *lisafs.Node) (*lisafs.ControlFD, linux.Statx, int, error)

Mount implements lisafs.ServerImpl.Mount.

func (*LisafsServer) SupportedMessages

func (s *LisafsServer) SupportedMessages() []lisafs.MID

SupportedMessages implements lisafs.ServerImpl.SupportedMessages.

Directories

Path Synopsis
Package filter defines all syscalls the gofer is allowed to make, and installs seccomp filters to prevent prohibited syscalls in case it's compromised.
Package filter defines all syscalls the gofer is allowed to make, and installs seccomp filters to prevent prohibited syscalls in case it's compromised.

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