|
|
# sshserver.py - ssh protocol server support for mercurial
|
|
|
#
|
|
|
# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
|
|
|
# Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms of the
|
|
|
# GNU General Public License version 2 or any later version.
|
|
|
|
|
|
from __future__ import absolute_import
|
|
|
|
|
|
import os
|
|
|
import sys
|
|
|
|
|
|
from .i18n import _
|
|
|
from . import (
|
|
|
error,
|
|
|
hook,
|
|
|
util,
|
|
|
wireproto,
|
|
|
)
|
|
|
|
|
|
class sshserver(wireproto.abstractserverproto):
|
|
|
def __init__(self, ui, repo):
|
|
|
self.ui = ui
|
|
|
self.repo = repo
|
|
|
self.lock = None
|
|
|
self.fin = ui.fin
|
|
|
self.fout = ui.fout
|
|
|
|
|
|
hook.redirect(True)
|
|
|
ui.fout = repo.ui.fout = ui.ferr
|
|
|
|
|
|
# Prevent insertion/deletion of CRs
|
|
|
util.setbinary(self.fin)
|
|
|
util.setbinary(self.fout)
|
|
|
|
|
|
def getargs(self, args):
|
|
|
data = {}
|
|
|
keys = args.split()
|
|
|
for n in xrange(len(keys)):
|
|
|
argline = self.fin.readline()[:-1]
|
|
|
arg, l = argline.split()
|
|
|
if arg not in keys:
|
|
|
raise error.Abort(_("unexpected parameter %r") % arg)
|
|
|
if arg == '*':
|
|
|
star = {}
|
|
|
for k in xrange(int(l)):
|
|
|
argline = self.fin.readline()[:-1]
|
|
|
arg, l = argline.split()
|
|
|
val = self.fin.read(int(l))
|
|
|
star[arg] = val
|
|
|
data['*'] = star
|
|
|
else:
|
|
|
val = self.fin.read(int(l))
|
|
|
data[arg] = val
|
|
|
return [data[k] for k in keys]
|
|
|
|
|
|
def getarg(self, name):
|
|
|
return self.getargs(name)[0]
|
|
|
|
|
|
def getfile(self, fpout):
|
|
|
self.sendresponse('')
|
|
|
count = int(self.fin.readline())
|
|
|
while count:
|
|
|
fpout.write(self.fin.read(count))
|
|
|
count = int(self.fin.readline())
|
|
|
|
|
|
def redirect(self):
|
|
|
pass
|
|
|
|
|
|
def groupchunks(self, fh):
|
|
|
return iter(lambda: fh.read(4096), '')
|
|
|
|
|
|
def sendresponse(self, v):
|
|
|
self.fout.write("%d\n" % len(v))
|
|
|
self.fout.write(v)
|
|
|
self.fout.flush()
|
|
|
|
|
|
def sendstream(self, source):
|
|
|
write = self.fout.write
|
|
|
for chunk in source.gen:
|
|
|
write(chunk)
|
|
|
self.fout.flush()
|
|
|
|
|
|
def sendpushresponse(self, rsp):
|
|
|
self.sendresponse('')
|
|
|
self.sendresponse(str(rsp.res))
|
|
|
|
|
|
def sendpusherror(self, rsp):
|
|
|
self.sendresponse(rsp.res)
|
|
|
|
|
|
def sendooberror(self, rsp):
|
|
|
self.ui.ferr.write('%s\n-\n' % rsp.message)
|
|
|
self.ui.ferr.flush()
|
|
|
self.fout.write('\n')
|
|
|
self.fout.flush()
|
|
|
|
|
|
def serve_forever(self):
|
|
|
try:
|
|
|
while self.serve_one():
|
|
|
pass
|
|
|
finally:
|
|
|
if self.lock is not None:
|
|
|
self.lock.release()
|
|
|
sys.exit(0)
|
|
|
|
|
|
handlers = {
|
|
|
str: sendresponse,
|
|
|
wireproto.streamres: sendstream,
|
|
|
wireproto.pushres: sendpushresponse,
|
|
|
wireproto.pusherr: sendpusherror,
|
|
|
wireproto.ooberror: sendooberror,
|
|
|
}
|
|
|
|
|
|
def serve_one(self):
|
|
|
cmd = self.fin.readline()[:-1]
|
|
|
if cmd and cmd in wireproto.commands:
|
|
|
rsp = wireproto.dispatch(self.repo, self, cmd)
|
|
|
self.handlers[rsp.__class__](self, rsp)
|
|
|
elif cmd:
|
|
|
impl = getattr(self, 'do_' + cmd, None)
|
|
|
if impl:
|
|
|
r = impl()
|
|
|
if r is not None:
|
|
|
self.sendresponse(r)
|
|
|
else: self.sendresponse("")
|
|
|
return cmd != ''
|
|
|
|
|
|
def _client(self):
|
|
|
client = os.environ.get('SSH_CLIENT', '').split(' ', 1)[0]
|
|
|
return 'remote:ssh:' + client
|
|
|
|
