-
Notifications
You must be signed in to change notification settings - Fork 1.3k
Expand file tree
/
Copy pathconfigFileOps.py
More file actions
185 lines (163 loc) · 6.57 KB
/
configFileOps.py
File metadata and controls
185 lines (163 loc) · 6.57 KB
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
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import re
import tempfile
import shutil
from utilities import bash
class configFileOps:
class entry:
def __init__(self, name, value, op, separator):
self.name = name
self.value = value
self.state = "new"
self.op = op
self.separator = separator
def setState(self, state):
self.state = state
def getState(self):
return self.state
def __init__(self, fileName, cfg=None):
self.fileName = fileName
self.entries = []
self.backups = []
if cfg is not None:
cfg.cfoHandlers.append(self)
def addEntry(self, name, value, separator="="):
e = self.entry(name, value, "add", separator)
self.entries.append(e)
def rmEntry(self, name, value, separator="="):
entry = self.entry(name, value, "rm", separator)
self.entries.append(entry)
def getEntry(self, name, separator="="):
try:
ctx = file(self.fileName).read(-1)
match = re.search("^" + name + ".*", ctx, re.MULTILINE)
if match is None:
return ""
line = match.group(0).split(separator, 1)
return line[1]
except:
return ""
def save(self):
fp = open(self.fileName, "r")
newLines = []
for line in fp.readlines():
matched = False
for entry in self.entries:
if entry.op == "add":
if entry.separator == "=":
matchString = "^\ *" + entry.name + ".*"
elif entry.separator == " ":
matchString = "^\ *" + entry.name + "\ *" + entry.value
else:
if entry.separator == "=":
matchString = "^\ *" + entry.name + "\ *=\ *" + entry.value
else:
matchString = "^\ *" + entry.name + "\ *" + entry.value
match = re.match(matchString, line)
if match is not None:
if entry.op == "add" and entry.separator == "=":
newline = "\n" + entry.name + "=" + entry.value + "\n"
entry.setState("set")
newLines.append(newline)
self.backups.append([line, newline])
matched = True
break
elif entry.op == "rm":
entry.setState("set")
self.backups.append([line, None])
matched = True
break
if not matched:
newLines.append(line)
for entry in self.entries:
if entry.getState() != "set":
if entry.op == "add":
newline = entry.name + entry.separator + entry.value + "\n"
newLines.append(newline)
self.backups.append([None, newline])
entry.setState("set")
fp.close()
file(self.fileName, "w").writelines(newLines)
def replace_line(self, startswith,stanza,always_add=False):
lines = [ s.strip() for s in file(self.fileName).readlines() ]
newlines = []
replaced = False
for line in lines:
if re.search(startswith, line):
if stanza is not None:
newlines.append(stanza)
self.backups.append([line, stanza])
replaced = True
else: newlines.append(line)
if not replaced and always_add:
newlines.append(stanza)
self.backups.append([None, stanza])
newlines = [ s + '\n' for s in newlines ]
file(self.fileName,"w").writelines(newlines)
def replace_or_add_line(self, startswith,stanza):
return self.replace_line(startswith,stanza,always_add=True)
def add_lines(self, lines, addToBackup=True):
fp = file(self.fileName).read(-1)
sh = re.escape(lines)
match = re.search(sh, fp, re.MULTILINE)
if match is not None:
return
fp += lines
file(self.fileName, "w").write(fp)
self.backups.append([None, lines])
def replace_lines(self, src, dst, addToBackup=True):
fp = file(self.fileName).read(-1)
sh = re.escape(src)
if dst is None:
dst = ""
repl,nums = re.subn(sh, dst, fp)
if nums <=0:
return
file(self.fileName, "w").write(repl)
if addToBackup:
self.backups.append([src, dst])
def append_lines(self, match_lines, append_lines):
fp = file(self.fileName).read(-1)
sh = re.escape(match_lines)
match = re.search(sh, fp, re.MULTILINE)
if match is None:
return
sh = re.escape(append_lines)
if re.search(sh, fp, re.MULTILINE) is not None:
return
newlines = []
for line in file(self.fileName).readlines():
if re.search(match_lines, line) is not None:
newlines.append(line + append_lines)
self.backups.append([line, line + append_lines])
else:
newlines.append(line)
file(self.fileName, "w").writelines(newlines)
def backup(self):
for oldLine, newLine in self.backups:
if newLine is None:
self.add_lines(oldLine, False)
else:
self.replace_lines(newLine, oldLine, False)
if __name__ == '__main__':
cfo = configFileOps("./sudoers")
#cloud ALL = NOPASSWD : ALL
cfo.addEntry("cloud ALL ", "NOPASSWD : ALL")
cfo.rmEntry("Defaults", "requiretty", " ")
#cfo.addEntry("zone", "test", " ")
cfo.save()