|
1
|
|
|
# |
|
2
|
|
|
# create_permission.py |
|
3
|
|
|
# generate template-based checks for file permissions/ownership |
|
4
|
|
|
|
|
5
|
|
|
import re |
|
6
|
|
|
|
|
7
|
|
|
from template_common import FilesGenerator, UnknownTargetError |
|
8
|
|
|
|
|
9
|
|
|
|
|
10
|
|
|
class PermissionGenerator(FilesGenerator): |
|
11
|
|
|
def generate(self, target, path_info): |
|
12
|
|
|
# the csv file contains lines that match the following layout: |
|
13
|
|
|
# directory,file_name,uid,gid,mode[,preferred_id] |
|
14
|
|
|
|
|
15
|
|
|
dir_path, file_name, uid, gid, mode = path_info[0:5] |
|
16
|
|
|
|
|
17
|
|
|
if uid == "" and gid == "" and mode == "": |
|
18
|
|
|
# If UID, GID, and mode are not defined, skip processing this file |
|
19
|
|
|
return |
|
20
|
|
|
|
|
21
|
|
|
# build a string out of the path that is suitable for use in id tags |
|
22
|
|
|
# example: /etc/resolv.conf --> _etc_resolv_conf |
|
23
|
|
|
# path_id maps to FILEID in the template |
|
24
|
|
|
|
|
25
|
|
|
if len(path_info) == 6: |
|
26
|
|
|
path_id = "_" + path_info[5] |
|
27
|
|
|
elif file_name == '[NULL]': |
|
28
|
|
|
path_id = re.sub('[-\./]', '_', dir_path) |
|
29
|
|
|
elif re.match(r'\^.*\$', file_name, 0): |
|
30
|
|
|
path_id = re.sub('[-\./]', '_', dir_path) + '_' + re.sub('[-\\\./^$*(){}|]', |
|
31
|
|
|
'_', file_name) |
|
32
|
|
|
# cleaning trailing end multiple underscores, make sure id is lowercase |
|
33
|
|
|
path_id = re.sub(r'_+', '_', path_id) |
|
34
|
|
|
path_id = re.sub(r'_$', '', path_id) |
|
35
|
|
|
path_id = path_id.lower() |
|
36
|
|
|
else: |
|
37
|
|
|
path_id = re.sub('[-\./]', '_', dir_path) + '_' + re.sub('[-\./]', |
|
38
|
|
|
'_', file_name) |
|
39
|
|
|
path_id = path_id.lower() |
|
40
|
|
|
|
|
41
|
|
|
# build a string that contains the full path to the file |
|
42
|
|
|
# full_path maps to FILEPATH in the template |
|
43
|
|
|
if file_name == '[NULL]': |
|
44
|
|
|
full_path = dir_path |
|
45
|
|
|
else: |
|
46
|
|
|
full_path = dir_path + '/' + file_name |
|
47
|
|
|
|
|
48
|
|
|
if target == "bash": |
|
49
|
|
|
if not re.match(r'\^.*\$', file_name, 0): |
|
50
|
|
|
if mode: |
|
51
|
|
|
self.file_from_template( |
|
52
|
|
|
"./template_BASH_file_permissions", |
|
53
|
|
|
{ |
|
54
|
|
|
"FILEPATH": full_path, |
|
55
|
|
|
"FILEMODE": mode, |
|
56
|
|
|
}, |
|
57
|
|
|
"./bash/file_permissions{0}.sh", path_id |
|
58
|
|
|
) |
|
59
|
|
|
if uid: |
|
60
|
|
|
self.file_from_template( |
|
61
|
|
|
"./template_BASH_file_owner", |
|
62
|
|
|
{ |
|
63
|
|
|
"FILEPATH": full_path, |
|
64
|
|
|
"FILEUID": uid, |
|
65
|
|
|
}, |
|
66
|
|
|
"./bash/file_owner{0}.sh", path_id |
|
67
|
|
|
) |
|
68
|
|
|
if gid: |
|
69
|
|
|
self.file_from_template( |
|
70
|
|
|
"./template_BASH_file_groupowner", |
|
71
|
|
|
{ |
|
72
|
|
|
"FILEPATH": full_path, |
|
73
|
|
|
"FILEGID": gid, |
|
74
|
|
|
}, |
|
75
|
|
|
"./bash/file_groupowner{0}.sh", path_id |
|
76
|
|
|
) |
|
77
|
|
|
self.file_from_template( |
|
78
|
|
|
"./template_BASH_permissions", |
|
79
|
|
|
{ |
|
80
|
|
|
"FILEPATH": full_path, |
|
81
|
|
|
"FILEMODE": mode, |
|
82
|
|
|
"FILEUID": uid, |
|
83
|
|
|
"FILEGID": gid, |
|
84
|
|
|
}, |
|
85
|
|
|
"./bash/permissions{0}.sh", path_id |
|
86
|
|
|
) |
|
87
|
|
|
else: |
|
88
|
|
|
file_name = re.sub('^\^', '', file_name) |
|
89
|
|
|
self.file_from_template( |
|
90
|
|
|
"./template_BASH_file_regex_permissions", |
|
91
|
|
|
{ |
|
92
|
|
|
"FILEPATH": dir_path, |
|
93
|
|
|
"FILENAME": file_name, |
|
94
|
|
|
"FILEMODE": mode, |
|
95
|
|
|
}, |
|
96
|
|
|
"./bash/file_permissions{0}.sh", path_id |
|
97
|
|
|
) |
|
98
|
|
|
|
|
99
|
|
|
elif target == "ansible" and not re.match(r'\^.*\$', file_name, 0): |
|
100
|
|
|
if mode: |
|
101
|
|
|
self.file_from_template( |
|
102
|
|
|
"./template_ANSIBLE_file_permissions", |
|
103
|
|
|
{ |
|
104
|
|
|
"FILEPATH": full_path, |
|
105
|
|
|
"FILEMODE": mode, |
|
106
|
|
|
}, |
|
107
|
|
|
"./ansible/file_permissions{0}.yml", path_id |
|
108
|
|
|
) |
|
109
|
|
|
if uid: |
|
110
|
|
|
self.file_from_template( |
|
111
|
|
|
"./template_ANSIBLE_file_owner", |
|
112
|
|
|
{ |
|
113
|
|
|
"FILEPATH": full_path, |
|
114
|
|
|
"FILEUID": uid, |
|
115
|
|
|
}, |
|
116
|
|
|
"./ansible/file_owner{0}.yml", path_id |
|
117
|
|
|
) |
|
118
|
|
|
if gid: |
|
119
|
|
|
self.file_from_template( |
|
120
|
|
|
"./template_ANSIBLE_file_groupowner", |
|
121
|
|
|
{ |
|
122
|
|
|
"FILEPATH": full_path, |
|
123
|
|
|
"FILEGID": gid, |
|
124
|
|
|
}, |
|
125
|
|
|
"./ansible/file_groupowner{0}.yml", path_id |
|
126
|
|
|
) |
|
127
|
|
|
|
|
128
|
|
|
self.file_from_template( |
|
129
|
|
|
"./template_ANSIBLE_permissions", |
|
130
|
|
|
{ |
|
131
|
|
|
"FILEPATH": full_path, |
|
132
|
|
|
"FILEMODE": mode, |
|
133
|
|
|
"FILEUID": uid, |
|
134
|
|
|
"FILEGID": gid, |
|
135
|
|
|
}, |
|
136
|
|
|
"./ansible/permissions{0}.yml", path_id |
|
137
|
|
|
) |
|
138
|
|
|
|
|
139
|
|
|
elif target == "oval": |
|
140
|
|
|
# support pattern matching, requiring that the filename starts with '^' |
|
141
|
|
|
# and fichishes with '$' |
|
142
|
|
|
if file_name == '[NULL]': |
|
143
|
|
|
unix_filename = "<unix:filename xsi:nil=\"true\" />" |
|
144
|
|
|
elif re.match(r'\^.*\$', file_name, 0): |
|
145
|
|
|
unix_filename = "<unix:filename operation=\"pattern match\">" + file_name + "</unix:filename>" |
|
146
|
|
|
else: |
|
147
|
|
|
unix_filename = "<unix:filename>" + file_name + "</unix:filename>" |
|
148
|
|
|
|
|
149
|
|
|
unix_dir = "<unix:path>" + dir_path + "</unix:path>" |
|
150
|
|
|
|
|
151
|
|
|
# we are ready to create the check |
|
152
|
|
|
# open the template and perform the conversions |
|
153
|
|
|
if mode: |
|
154
|
|
|
# build the state that describes our mode |
|
155
|
|
|
# mode_str maps to STATEMODE in the template |
|
156
|
|
|
fields = ['oexec', 'owrite', 'oread', 'gexec', 'gwrite', 'gread', |
|
157
|
|
|
'uexec', 'uwrite', 'uread', 'sticky', 'sgid', 'suid'] |
|
158
|
|
|
mode_int = int(mode, 8) |
|
159
|
|
|
mode_str = "" |
|
160
|
|
|
for field in fields: |
|
161
|
|
|
if mode_int & 0x01 == 1: |
|
162
|
|
|
mode_str = " <unix:" + field + " datatype=\"boolean\">true</unix:" + field + ">\n" + mode_str |
|
163
|
|
|
else: |
|
164
|
|
|
mode_str = " <unix:" + field + " datatype=\"boolean\">false</unix:" + field + ">\n" + mode_str |
|
165
|
|
|
mode_int = mode_int >> 1 |
|
166
|
|
|
|
|
167
|
|
|
self.file_from_template( |
|
168
|
|
|
"./template_OVAL_file_permissions", |
|
169
|
|
|
{ |
|
170
|
|
|
"FILEID": path_id, |
|
171
|
|
|
"FILEPATH": full_path, |
|
172
|
|
|
"FILEMODE": mode, |
|
173
|
|
|
"STATEMODE": mode_str, |
|
174
|
|
|
"UNIX_DIR": unix_dir, |
|
175
|
|
|
"UNIX_FILENAME": unix_filename |
|
176
|
|
|
}, |
|
177
|
|
|
"./oval/file_permissions{0}.xml", path_id |
|
178
|
|
|
) |
|
179
|
|
|
if uid: |
|
180
|
|
|
self.file_from_template( |
|
181
|
|
|
"./template_OVAL_file_owner", |
|
182
|
|
|
{ |
|
183
|
|
|
"FILEID": path_id, |
|
184
|
|
|
"FILEPATH": full_path, |
|
185
|
|
|
"FILEUID": uid, |
|
186
|
|
|
"UNIX_DIR": unix_dir, |
|
187
|
|
|
"UNIX_FILENAME": unix_filename |
|
188
|
|
|
}, |
|
189
|
|
|
"./oval/file_owner{0}.xml", path_id |
|
190
|
|
|
) |
|
191
|
|
|
if gid: |
|
192
|
|
|
self.file_from_template( |
|
193
|
|
|
"./template_OVAL_file_groupowner", |
|
194
|
|
|
{ |
|
195
|
|
|
"FILEID": path_id, |
|
196
|
|
|
"FILEPATH": full_path, |
|
197
|
|
|
"FILEGID": gid, |
|
198
|
|
|
"UNIX_DIR": unix_dir, |
|
199
|
|
|
"UNIX_FILENAME": unix_filename |
|
200
|
|
|
}, |
|
201
|
|
|
"./oval/file_groupowner{0}.xml", path_id |
|
202
|
|
|
) |
|
203
|
|
|
self.file_from_template( |
|
204
|
|
|
"./template_OVAL_permissions", |
|
205
|
|
|
{ |
|
206
|
|
|
"FILEID": path_id, |
|
207
|
|
|
"FILEPATH": full_path, |
|
208
|
|
|
"FILEDIR": dir_path, |
|
209
|
|
|
"FILEMODE": mode, |
|
210
|
|
|
"FILEUID": uid, |
|
211
|
|
|
"FILEGID": gid, |
|
212
|
|
|
"UNIX_DIR": unix_dir, |
|
213
|
|
|
"UNIX_FILENAME": unix_filename |
|
214
|
|
|
}, |
|
215
|
|
|
"./oval/permissions{0}.xml", path_id |
|
216
|
|
|
) |
|
217
|
|
|
|
|
218
|
|
|
else: |
|
219
|
|
|
raise UnknownTargetError(target) |
|
220
|
|
|
|
|
221
|
|
|
def csv_format(self): |
|
222
|
|
|
return("CSV should contains lines of the format: " |
|
223
|
|
|
"directory path,file name,owner uid (numeric),group " |
|
224
|
|
|
"owner gid (numeric),mode[,preferred_id]") |
|
225
|
|
|
|
ComplianceAsCode /
content
