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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
#!/usr/bin/python -O
#---------------------------------------------------------------
# Project : Mandrake Linux
# Module : msec
# File : Perms.py
# Version : $Id$
# Author : Frederic Lepied
# Created On : Fri Dec 7 23:33:49 2001
# Purpose : fix permissions and owner/group of files
# and directories.
#---------------------------------------------------------------
import glob
import re
import string
import os
import stat
import pwd
import grp
import Config
import sys
from Log import *
import gettext
try:
cat = gettext.Catalog('msec')
_ = cat.gettext
except IOError:
_ = str
comment_regex = re.compile('^\s*#|^\s*$')
USER = {}
GROUP = {}
USERID = {}
GROUPID = {}
def get_user_id(name):
try:
return USER[name]
except KeyError:
try:
USER[name] = pwd.getpwnam(name)[2]
except KeyError:
error(_('user name %s not found') % name)
USER[name] = -1
return USER[name]
def get_user_name(id):
try:
return USERID[id]
except KeyError:
try:
USERID[id] = pwd.getpwuid(id)[0]
except KeyError:
error(_('user name not found for id %d') % id)
USERID[id] = str(id)
return USERID[id]
def get_group_id(name):
try:
return GROUP[name]
except KeyError:
try:
GROUP[name] = grp.getgrnam(name)[2]
except KeyError:
error(_('group name %s not found') % name)
GROUP[name] = -1
return GROUP[name]
def get_group_name(id):
try:
return GROUPID[id]
except KeyError:
try:
GROUPID[id] = grp.getgrgid(id)[0]
except KeyError:
error(_('group name not found for id %d') % id)
GROUPID[id] = str(id)
return GROUPID[id]
assoc = {}
def fix_perms(path):
try:
file = open(path, 'r')
except IOError:
return
root = Config.get_config('root', '')
lineno = 0
for line in file.readlines():
lineno = lineno + 1
if comment_regex.search(line):
continue
fields = re.split('\s*', line)
mode_str = fields[2]
if mode_str == 'current':
newmode = -1
else:
newmode = int(mode_str, 8)
if fields[1] == 'current':
user = group = -1
user_str = group_str = ''
else:
(user_str, group_str) = string.split(fields[1], '.')
user = get_user_id(user_str)
group = get_group_id(group_str)
if len(fields) == 4:
for f in glob.glob(fields[0]):
try:
full = os.stat(f)
except OSError:
continue
mode = stat.S_IMODE(full[stat.ST_MODE])
newperm = newmode
if stat.S_ISDIR(full[stat.ST_MODE]):
if newperm & 0400:
newperm = newperm | 0100
if newperm & 0040:
newperm = newperm | 0010
if newperm & 0004:
newperm = newperm | 0001
uid = full[stat.ST_UID]
gid = full[stat.ST_GID]
if f != '/' and f[-1] == '/':
f = f[:-1]
if f[-2:] == '/.':
f = f[:-2]
assoc[f] = (mode, uid, gid, newperm, user, group, user_str, group_str)
else:
error(_('invalid syntax in %s line %d') % (path, lineno))
file.close()
def act():
for f in assoc.keys():
(mode, uid, gid, newperm, user, group, user_str, group_str) = assoc[f]
#print f, (mode, uid, gid, newperm, user, group)
if newperm != -1 and mode != newperm:
log(_('changed mode of %s from %o to %o') % (f, mode, newperm))
try:
os.chmod(f, newperm)
except:
error('chmod %s %o: %s' % (f, newperm, sys.exc_value[0]))
if user != -1 and user != uid:
log(_('changed owner of %s from %s to %s') % (f, get_user_name(uid), user_str))
try:
os.chown(f, user, -1)
except:
error('chown %s %s: %s' % (f, user, sys.exc_value[0]))
if group != -1 and group != gid:
log(_('changed group of %s from %s to %s') % (f, get_group_name(gid), group_str))
try:
os.chown(f, -1, group)
except:
error('chgrp %s %s: %s' % (f, group, sys.exc_value[0]))
def chmod(f, newperm):
try:
full = os.stat(f)
except OSError:
return 0
mode = stat.S_IMODE(full[stat.ST_MODE])
if stat.S_ISDIR(full[stat.ST_MODE]):
if newperm & 0400:
newperm = newperm | 0100
if newperm & 0040:
newperm = newperm | 0010
if newperm & 0004:
newperm = newperm | 0001
if mode != newperm:
log(_('changed mode of %s from %o to %o') % (f, mode, newperm))
try:
os.chmod(f, newperm)
except:
error('chmod %s %o: %s' % (f, newperm, sys.exc_value[0]))
return 1
if __name__ == '__main__':
import getopt
_interactive = sys.stdin.isatty()
# process the options
try:
(opt, args) = getopt.getopt(sys.argv[1:], 'o:',
['option'])
except getopt.error:
error(_('Invalid option. Use %s (-o var=<val>...) ([0-5])') % sys.argv[0])
sys.exit(1)
for o in opt:
if o[0] == '-o' or o[0] == '--option':
pair = string.split(o[1], '=')
if len(pair) != 2:
error(_('Invalid option format %s %s: use -o var=<val>') % (o[0], o[1]))
sys.exit(1)
else:
Config.set_config(pair[0], pair[1])
# initlog must be done after processing the option because we can change
# the way to report log with options...
if _interactive:
import syslog
initlog('msec', syslog.LOG_LOCAL1)
else:
initlog('msec')
_interactive and log(_('Fixing owners and permissions of files and directories'))
# process the files
for p in args:
_interactive and log(_('Reading data from %s') % p)
fix_perms(p)
# do the modifications
act()
# Perms.py ends here
|
