blob: 0d408eadc96ab7364ffe60a81fabead92e020330 (
plain)
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
|
#!/sbin/runscript
# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
extra_started_commands="reload"
start() {
ebegin "Starting ${SVCNAME}"
eindent
if ! check_config || ! remove_profiles || ! load_profiles load ; then
eend 1
return 1
fi
eoutdent
eend 0
}
stop() {
ebegin "Stopping ${SVCNAME}"
if ! check_config ; then
eend 1
return 1
fi
eindent
ebegin "Removing profiles"
remove_profiles
eoutdent
rc=$?
eend $rc
return $rc
}
reload() {
ebegin "Reloading ${SVCNAME} profiles"
if ! ( check_config && load_profiles reload && unload_obsolete_profiles ); then
eend 1
return 1
fi
eend 0
return 0
}
check_config() {
if [ -z "$PARSER" -o -z "$PROFILE_DIR" -o -z "$SECURITYFS" ]; then
eerror "/etc/conf.d/${SVCNAME} has missing variables"
return 1
fi
if ! is_securityfs_mounted ; then
if ! mount_securityfs ; then
eerror "Failed to mount securityfs"
return 1
fi
fi
if ! is_apparmor_present ; then
modprobe -q apparmor
if ! is_apparmor_present ; then
eerror "${SVCNAME} kernel support is not present"
return 1
fi
fi
if ! check_apparmor_compat ; then
eerror "${SVCNAME} compatibility is not present in the kernel"
return 1
fi
}
get_profile_files() {
ARGS=""
IGNORES="$( find ${PROFILE_DIR} -name .ignore )"
LENGTH=$( echo "$IGNORES" | wc -l )
I=1;
for IGNORE in $IGNORES; do
ARGS="${ARGS} -path $( dirname ${IGNORE} ) -prune"
if [ $LENGTH -gt 1 -a $I -lt $LENGTH ]; then
ARGS="${ARGS} -o"
fi
I=$(($I+1))
done
if [ -z "$ARGS" ]; then
PROFILES="find /etc/apparmor.d"
else
PROFILES="find /etc/apparmor.d "$ARGS" -o -type f -print"
fi
echo $( $PROFILES )
}
get_active_profiles() {
PROFILES=`sed -e "s/ (\(enforce\|complain\))//" "${SECURITYFS}/profiles"`
echo $PROFILES
}
load_profiles() {
case "$1" in
load)
PARSER_ARGS="--add"
MESSAGE="Loading ${SVCNAME} profiles"
;;
reload)
PARSER_ARGS="--replace"
MESSAGE="Reloading ${SVCNAME} profiles"
;;
*)
eerror "Invalid load_profile argument"
exit 1
;;
esac
if [ ! -x "${PARSER}" ]; then
eerror "Could not find apparmor_parser"
return 1
fi
if [ ! -d "${PROFILE_DIR}" -o -z "$(ls $PROFILE_DIR 2> /dev/null)" ]; then
ewarn "No profiles found"
return 0
fi
PROFILES="$(get_profile_files)"
for PROFILE in $PROFILES; do
$PARSER $PARSER_ARGS $PROFILE
if [ $? -ne 0 ]; then
if [ "${PARSER_ARGS}" = "replace" ]; then
ewarn "Error loading '${PROFILE}', continuing"
else
eerror "Error loading '${PROFILE}', aborting"
remove_profiles
return 1
fi
fi
done
return 0
}
remove_profiles() {
PROFILES=$(get_active_profiles)
for PROFILE in $PROFILES; do
#use printf instead of echo -n for POSIX compatibility
printf '%s' "$PROFILE" > "${SECURITYFS}/.remove"
done
return 0
}
is_securityfs_mounted() {
grep -q securityfs /proc/filesystems && grep -q securityfs /proc/mounts
return $?
}
mount_securityfs() {
if [ grep -q securityfs /proc/filesystems ]; then
mount -t securityfs securityfs "${SECURITYFS}"
return $?
else
return 1
fi
}
is_apparmor_present() {
grep -q "^apparmor" /proc/modules
[ $? -ne 0 -a -d /sys/module/apparmor ]
return $?
}
check_apparmor_compat() {
if [ -f "${SECURITYFS}/profiles" ]; then
return 0
else
return 1
fi
}
unload_obsolete_profiles() {
TEMPDIR=$(umask 0077 && mktemp -d)
if [ ! -d "${TEMPDIR}" ]; then
eerror "Failed to create temporary directory"
return 1
fi
cd $TEMPDIR
echo $(get_active_profiles) | tr ' ' '\n' | sort > old
for PROFILE in $(get_profile_files); do
echo $(${PARSER} -N "$PROFILE") >> new
done
sort new > new_sorted
for PROFILE in $(comm -2 -3 old new_sorted); do
#use printf instead of echo -n for POSIX compatibility
printf '%s' "$PROFILE" > "${SECURITYFS}/.remove"
done
rm -rf "${TEMPDIR}"
return 0
}
|
GitWeb