def write(self, srv, req):
f = req.fid
buf = req.ifcall.data
if f.phase == self.NeedSign:
signature = pickle.loads(buf)
if f.key.verify(f.chal, signature):
f.phase = self.Success
f.suid = f.uname
req.ofcall.count = len(buf)
srv.respond(req, None)
return
else:
raise py9p.ServerError('signature not verified')
raise py9p.ServerError("unexpected phase")
def open(self, srv, req):
'''If we have a file tree then simply check whether the Qid matches
anything inside. respond qid and iounit are set by protocol'''
f = self.storage.checkout(req.fid.qid.path)
if (req.ifcall.mode & f.mode) != py9p.OREAD:
raise py9p.ServerError("permission denied")
srv.respond(req, None)
def write(self, target, data, offset=0):
f = self.checkout(target)
f.writelock = True
if f.qid.type & py9p.QTDIR:
raise py9p.ServerError("Is a directory")
f.data.seek(offset, os.SEEK_SET)
f.data.write(data)
return len(data)
def read(self, srv, req):
f = req.fid
if f.phase == self.HaveChal:
f.phase = self.NeedSign
req.ofcall.data = pickle.dumps(f.key.encrypt(f.chal, ''))
srv.respond(req, None)
return
elif f.phase == self.Success:
req.ofcall.data = 'success as ' + f.suid
srv.respond(req, None)
return
raise py9p.ServerError("unexpected phase")
def checkout(self, target):
if not self.files.has_key(target):
raise py9p.ServerError("file not found")
return self.files[target]
def _os(func, *args):
try:
return func(*args)
except OSError, e:
raise py9p.ServerError(e.args)
import os.path
import copy
import time
import pwd
import grp
import py9p
def _os(func, *args):
try:
return func(*args)
except OSError, e:
raise py9p.ServerError(e.args)
except IOError, e:
raise py9p.ServerError(e.args)
def _nf(func, *args):
try:
return func(*args)
except py9p.ServerError, e:
return
def uidname(u):
try:
return "%s" % pwd.getpwuid(u).pw_name
except KeyError, e:
return "%d" % u
