authfs: rewrite with Harvey-OS/ninep, implement Rattachharveyos

1 files changed, 0 insertions, 187 deletions

diff --git a/back/cmd/authfs/session.go b/back/cmd/authfs/session.go
deleted file mode 100644
index 2d4eb98..0000000
--- a/back/cmd/authfs/session.go
+++ /dev/null
@@ -1,187 +0,0 @@
-package main
-
-import (
-	"context"
-	"sync"
-
-	"github.com/docker-archive/go-p9p"
-)
-
-// Session implements the p9p.Session interface.
-type Session struct {
-	mu   sync.Mutex
-	fids map[p9p.Fid]Fid
-	*Root
-}
-
-type Fid struct {
-	File
-	uname string
-}
-
-type File interface {
-	Qid() p9p.Qid
-	Stat() (p9p.Dir, error)
-	Open(mode p9p.Flag) error
-	Remove() error
-	Read(ctx context.Context, p []byte, offset int64) (n int, err error)
-	Write(ctx context.Context, p []byte, offset int64) (n int, err error)
-}
-
-type Dir interface {
-	File
-	Create(ctx context.Context, name string, perm uint32, mode p9p.Flag) (File, error)
-	Walk(ctx context.Context, name string) (File, error)
-}
-
-func NewSession(root *Root) p9p.Session {
-	return &Session{
-		fids: make(map[p9p.Fid]Fid),
-		Root: root,
-	}
-}
-
-func (s *Session) Auth(ctx context.Context, afid p9p.Fid, uname, aname string) (p9p.Qid, error) {
-	return p9p.Qid{}, p9p.MessageRerror{"authfs: no authentication required"}
-}
-
-func (s *Session) Attach(ctx context.Context, fid, afid p9p.Fid, uname, aname string) (p9p.Qid, error) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-
-	if _, exists := s.fids[fid]; exists {
-		return p9p.Qid{}, p9p.ErrDupfid
-	}
-	f := Fid{s.root, uname}
-	s.fids[fid] = f
-	return f.Qid(), nil
-}
-
-func (s *Session) Clunk(ctx context.Context, fid p9p.Fid) error {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-
-	if _, ok := s.fids[fid]; ok {
-		delete(s.fids, fid)
-		return nil
-	} else {
-		return p9p.ErrUnknownfid
-	}
-}
-
-func (s *Session) Remove(ctx context.Context, fid p9p.Fid) error {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-
-	f, ok := s.fids[fid]
-	if !ok {
-		return p9p.ErrUnknownfid
-	}
-	delete(s.fids, fid) // clunk
-	return f.Remove()
-}
-
-func (s *Session) Walk(ctx context.Context, fid, newfid p9p.Fid, names ...string) ([]p9p.Qid, error) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-
-	f, ok := s.fids[fid]
-	if !ok {
-		return nil, p9p.ErrUnknownfid
-	}
-
-	if _, exists := s.fids[newfid]; exists {
-		return nil, p9p.ErrDupfid
-	}
-
-	var (
-		qids []p9p.Qid
-		err  error
-		dot  = f
-	)
-	defer func() { s.fids[newfid] = dot }()
-	for _, name := range names {
-		dir, ok := dot.File.(Dir)
-		if !ok {
-			return qids, p9p.ErrWalknodir
-		}
-		dot.File, err = dir.Walk(ctx, name)
-		if err != nil {
-			return qids, err
-		}
-		qids = append(qids, dot.File.Qid())
-	}
-	return qids, nil
-}
-
-func (s *Session) Read(ctx context.Context, fid p9p.Fid, p []byte, offset int64) (n int, err error) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-
-	if f, ok := s.fids[fid]; ok {
-		return f.File.Read(ctx, p, offset)
-	} else {
-		return 0, p9p.ErrUnknownfid
-	}
-}
-
-func (s *Session) Write(ctx context.Context, fid p9p.Fid, p []byte, offset int64) (n int, err error) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-
-	if f, ok := s.fids[fid]; ok {
-		return f.File.Write(ctx, p, offset)
-	} else {
-		return 0, p9p.ErrUnknownfid
-	}
-}
-
-func (s *Session) Open(ctx context.Context, fid p9p.Fid, mode p9p.Flag) (p9p.Qid, uint32, error) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-
-	f, ok := s.fids[fid]
-	if !ok {
-		return p9p.Qid{}, 0, p9p.ErrUnknownfid
-	}
-	if err := f.Open(mode); err != nil {
-		return p9p.Qid{}, 0, err
-	}
-	return f.File.Qid(), 0, nil
-}
-
-func (s *Session) Create(ctx context.Context, parent p9p.Fid, name string, perm uint32, mode p9p.Flag) (p9p.Qid, uint32, error) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-
-	f, ok := s.fids[parent]
-	if !ok {
-		return p9p.Qid{}, 0, p9p.ErrUnknownfid
-	}
-	dir, ok := f.File.(Dir)
-	if !ok {
-		return p9p.Qid{}, 0, p9p.ErrCreatenondir
-	}
-
-	child, err := dir.Create(ctx, name, perm, mode)
-	return child.Qid(), 0, err
-}
-
-func (s *Session) Stat(ctx context.Context, fid p9p.Fid) (p9p.Dir, error) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-
-	if f, ok := s.fids[fid]; ok {
-		return f.File.Stat()
-	} else {
-		return p9p.Dir{}, p9p.ErrUnknownfid
-	}
-}
-
-func (s *Session) WStat(ctx context.Context, fid p9p.Fid, dir p9p.Dir) error {
-	return p9p.ErrPerm
-}
-
-func (s *Session) Version() (msize int, version string) {
-	return p9p.DefaultMSize, p9p.DefaultVersion
-}