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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
# Copyright 2008 The Tor Project, Inc. See LICENSE for licensing information.
import os
import sys
import getopt
import time
try:
import json
except:
import simplejson as json
import thandy.formats
import thandy.util
import thandy.keys
def tstamp():
return time.strftime("%Y%m%d_%H%M%S", time.localtime())
def snarf(fname):
f = open(fname, 'rb')
try:
return f.read()
finally:
f.close()
def snarfObj(fname):
f = open(fname, 'r')
try:
return json.load(f)
finally:
f.close()
def insert(args):
repo = os.environ.get("THANDY_MASTER_REPO")
backupDir = thandy.util.userFilename("old_files")
checkSigs = True
options, args = getopt.getopt(args, "", ["repo=", "no-check"])
for o,v in options:
if o == "--repo":
repo = v
elif o == "--no-check":
checkSigs = False
if not repo:
print "No repository specified."
usage()
if not os.path.exists(repo):
print "No such repository as %r"%repo
usage()
if not os.path.exists(backupDir):
os.makedirs(backupDir, 0700)
if checkSigs:
keys = thandy.util.getKeylist(os.path.join(repo, "meta/keys.txt"))
else:
keys = None
n_ok = 0
for fn in args:
print "Loading %s..."%fn
try:
content = snarf(fn)
except OSError, e:
print "Couldn't open %s: %s"%(fn, e)
continue
try:
obj = json.loads(content)
except ValueError, e:
print "Couldn't decode %s: %s"%(fn, e)
continue
try:
ss, r, path = thandy.formats.checkSignedObj(obj, keys)
except thandy.FormatException, e:
print "Bad format on %s: %s"%(fn, e)
continue
if checkSigs and not ss.isValid():
print "Not enough valid signatures on %s"%fn
continue
print " Looks okay. It goes in %s"%path
assert path.startswith("/")
targetPath = os.path.join(repo, path[1:])
if os.path.exists(targetPath):
oldContents = snarf(targetPath)
if oldContents == content:
print " File unchanged!"
n_ok += 1
continue
baseFname = "%s_%s" % (tstamp(), os.path.split(path)[1])
backupFname = os.path.join(backupDir, baseFname)
print " Copying old file to %s"%backupFname
thandy.util.replaceFile(backupFname, oldContents)
parentDir = os.path.split(targetPath)[0]
if not os.path.exists(parentDir):
print " Making %s"%parentDir
os.makedirs(parentDir, 0755)
print " Replacing file..."
thandy.util.replaceFile(targetPath, content)
os.chmod(targetPath, 0644)
print " Done."
n_ok += 1
if n_ok != len(args):
sys.exit(1)
def timestamp(args):
repo = os.environ.get("THANDY_MASTER_REPO")
ts_keyfile = thandy.util.userFilename("timestamp_key")
options, args = getopt.getopt(args, "", ["repo=", "ts-key="])
for o,v in options:
if o == "--repo":
repo = v
elif o == "--ts-key":
ts_keyfile = v
if repo == None:
print "No repository specified."
usage()
if not os.path.exists(repo):
print "No such repository as %r"%repo
usage()
tsFname = os.path.join(repo, "meta/timestamp.txt")
try:
mObj = snarfObj(os.path.join(repo, "meta/mirrors.txt"))
except OSError:
print "No mirror list!"
sys.exit(1)
try:
kObj = snarfObj(os.path.join(repo, "meta/keys.txt"))
except OSError:
print "No key list!"
sys.exit(1)
bundles = []
for dirpath, dirname, fns in os.walk(os.path.join(repo, "bundleinfo")):
for fn in fns:
fn = os.path.join(dirpath, fn)
try:
bObj = snarfObj(fn)
except (ValueError, OSError, IOError), e:
print "(Couldn't read bundle-like %s)"%fn
continue
try:
_, r, _ = thandy.formats.checkSignedObj(bObj)
except thandy.FormatException, e:
print "Problem reading object from %s"%fn
continue
if r != "bundle":
print "%s was not a good bundle"%fn
continue
bundles.append(bObj['signed'])
timestamp = thandy.formats.makeTimestampObj(
mObj['signed'], kObj['signed'], bundles)
signable = thandy.formats.makeSignable(timestamp)
keydb = thandy.formats.Keylist()
#XXXX Still a roundabout way to do this.
keylist = thandy.formats.makeKeylistObj(ts_keyfile, True)
keydb.addFromKeylist(keylist)
for k in keydb.iterkeys():
thandy.formats.sign(signable, k)
content = json.dumps(signable, sort_keys=True)
thandy.util.replaceFile(tsFname, content)
os.chmod(tsFname, 0644)
def usage():
print "Known commands:"
print " insert [--no-check] [--repo=repository] file ..."
print " timestamp [--repo=repository]"
sys.exit(1)
def main():
if len(sys.argv) < 2:
usage()
cmd = sys.argv[1]
args = sys.argv[2:]
if cmd in [ "insert", "timestamp" ]:
globals()[cmd](args)
else:
usage()
if __name__ == '__main__':
main()
|
