1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
# 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.
import util, hook, wireproto, changegroup
import os, sys
class sshserver(object):
def __init__(self, ui, repo):
self.ui = ui
self.repo = repo
self.lock = None
self.fin = sys.stdin
self.fout = sys.stdout
hook.redirect(True)
sys.stdout = sys.stderr
# Prevent insertion/deletion of CRs
util.set_binary(self.fin)
util.set_binary(self.fout)
def getargs(self, args):
data = {}
keys = args.split()
count = len(keys)
for n in xrange(len(keys)):
argline = self.fin.readline()[:-1]
arg, l = argline.split()
val = self.fin.read(int(l))
if arg not in keys:
raise util.Abort("unexpected parameter %r" % arg)
if arg == '*':
star = {}
for n in xrange(int(l)):
arg, l = argline.split()
val = self.fin.read(int(l))
star[arg] = val
data['*'] = star
else:
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, changegroup):
while True:
d = changegroup.read(4096)
if not d:
break
yield d
def sendresponse(self, v):
self.fout.write("%d\n" % len(v))
self.fout.write(v)
self.fout.flush()
def sendstream(self, source):
for chunk in source.gen:
self.fout.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 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,
}
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 do_lock(self):
'''DEPRECATED - allowing remote client to lock repo is not safe'''
self.lock = self.repo.lock()
return ""
def do_unlock(self):
'''DEPRECATED'''
if self.lock:
self.lock.release()
self.lock = None
return ""
def do_addchangegroup(self):
'''DEPRECATED'''
if not self.lock:
self.sendresponse("not locked")
return
self.sendresponse("")
cg = changegroup.unbundle10(self.fin, "UN")
r = self.repo.addchangegroup(cg, 'serve', self._client(),
lock=self.lock)
return str(r)
def _client(self):
client = os.environ.get('SSH_CLIENT', '').split(' ', 1)[0]
return 'remote:ssh:' + client
|
