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1// Copyright (C) 2021 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package {
16    // http://go/android-license-faq
17    // A large-scale-change added 'default_applicable_licenses' to import
18    // the below license kinds from "system_sepolicy_license":
19    //   SPDX-license-identifier-Apache-2.0
20    default_applicable_licenses: ["system_sepolicy_license"],
21}
22
23system_policy_files = [
24    "system/private/security_classes",
25    "system/private/initial_sids",
26    "system/private/access_vectors",
27    "system/public/global_macros",
28    "system/public/neverallow_macros",
29    "system/private/mls_macros",
30    "system/private/mls_decl",
31    "system/private/mls",
32    "system/private/policy_capabilities",
33    "system/public/te_macros",
34    "system/public/attributes",
35    "system/private/attributes",
36    "system/public/ioctl_defines",
37    "system/public/ioctl_macros",
38    "system/public/*.te",
39    "system/private/*.te",
40    "system/private/roles_decl",
41    "system/public/roles",
42    "system/private/users",
43    "system/private/initial_sid_contexts",
44    "system/private/fs_use",
45    "system/private/genfs_contexts",
46    "system/private/port_contexts",
47]
48
49reqd_mask_files = [
50    "reqd_mask/security_classes",
51    "reqd_mask/initial_sids",
52    "reqd_mask/access_vectors",
53    "reqd_mask/mls_macros",
54    "reqd_mask/mls_decl",
55    "reqd_mask/mls",
56    "reqd_mask/reqd_mask.te",
57    "reqd_mask/roles_decl",
58    "reqd_mask/roles",
59    "reqd_mask/users",
60    "reqd_mask/initial_sid_contexts",
61]
62
63system_public_policy_files = [
64    "reqd_mask/security_classes",
65    "reqd_mask/initial_sids",
66    "reqd_mask/access_vectors",
67    "system/public/global_macros",
68    "system/public/neverallow_macros",
69    "reqd_mask/mls_macros",
70    "reqd_mask/mls_decl",
71    "reqd_mask/mls",
72    "system/public/te_macros",
73    "system/public/attributes",
74    "system/public/ioctl_defines",
75    "system/public/ioctl_macros",
76    "system/public/*.te",
77    "reqd_mask/reqd_mask.te",
78    "reqd_mask/roles_decl",
79    "reqd_mask/roles",
80    "system/public/roles",
81    "reqd_mask/users",
82    "reqd_mask/initial_sid_contexts",
83]
84
85vendor_policy_files = [
86    "reqd_mask/security_classes",
87    "reqd_mask/initial_sids",
88    "reqd_mask/access_vectors",
89    "system/public/global_macros",
90    "system/public/neverallow_macros",
91    "reqd_mask/mls_macros",
92    "reqd_mask/mls_decl",
93    "reqd_mask/mls",
94    "system/public/te_macros",
95    "system/public/attributes",
96    "system/public/ioctl_defines",
97    "system/public/ioctl_macros",
98    "system/public/*.te",
99    "reqd_mask/reqd_mask.te",
100    "vendor/*.te",
101    "reqd_mask/roles_decl",
102    "reqd_mask/roles",
103    "system/public/roles",
104    "reqd_mask/users",
105    "reqd_mask/initial_sid_contexts",
106]
107
108se_policy_conf {
109    name: "microdroid_reqd_policy_mask.conf",
110    srcs: reqd_mask_files,
111    installable: false,
112    mls_cats: 1,
113}
114
115se_policy_cil {
116    name: "microdroid_reqd_policy_mask.cil",
117    src: ":microdroid_reqd_policy_mask.conf",
118    secilc_check: false,
119    installable: false,
120}
121
122se_policy_conf {
123    name: "microdroid_plat_sepolicy.conf",
124    srcs: system_policy_files,
125    installable: false,
126    mls_cats: 1,
127}
128
129se_policy_cil {
130    name: "microdroid_plat_sepolicy.cil",
131    stem: "plat_sepolicy.cil",
132    src: ":microdroid_plat_sepolicy.conf",
133    installable: false,
134}
135
136se_policy_conf {
137    name: "microdroid_plat_pub_policy.conf",
138    srcs: system_public_policy_files,
139    installable: false,
140    mls_cats: 1,
141}
142
143se_policy_cil {
144    name: "microdroid_plat_pub_policy.cil",
145    src: ":microdroid_plat_pub_policy.conf",
146    filter_out: [":microdroid_reqd_policy_mask.cil"],
147    secilc_check: false,
148    installable: false,
149}
150
151se_versioned_policy {
152    name: "microdroid_plat_mapping_file",
153    base: ":microdroid_plat_pub_policy.cil",
154    mapping: true,
155    version: "current",
156    relative_install_path: "mapping", // install to /system/etc/selinux/mapping
157    installable: false,
158}
159
160se_versioned_policy {
161    name: "microdroid_plat_pub_versioned.cil",
162    stem: "plat_pub_versioned.cil",
163    base: ":microdroid_plat_pub_policy.cil",
164    target_policy: ":microdroid_plat_pub_policy.cil",
165    version: "current",
166    dependent_cils: [
167        ":microdroid_plat_sepolicy.cil",
168        ":microdroid_plat_mapping_file",
169    ],
170    installable: false,
171}
172
173se_policy_conf {
174    name: "microdroid_vendor_sepolicy.conf",
175    srcs: vendor_policy_files,
176    installable: false,
177    mls_cats: 1,
178}
179
180se_policy_cil {
181    name: "microdroid_vendor_sepolicy.cil.raw",
182    src: ":microdroid_vendor_sepolicy.conf",
183    filter_out: [":microdroid_reqd_policy_mask.cil"],
184    secilc_check: false, // will be done in se_versioned_policy module
185    installable: false,
186}
187
188se_versioned_policy {
189    name: "microdroid_vendor_sepolicy.cil",
190    stem: "vendor_sepolicy.cil",
191    base: ":microdroid_plat_pub_policy.cil",
192    target_policy: ":microdroid_vendor_sepolicy.cil.raw",
193    version: "current", // microdroid is bundled to system
194    dependent_cils: [
195        ":microdroid_plat_sepolicy.cil",
196        ":microdroid_plat_pub_versioned.cil",
197        ":microdroid_plat_mapping_file",
198    ],
199    filter_out: [":microdroid_plat_pub_versioned.cil"],
200    installable: false,
201}
202
203sepolicy_vers {
204    name: "microdroid_plat_sepolicy_vers.txt",
205    version: "platform",
206    stem: "plat_sepolicy_vers.txt",
207    installable: false,
208}
209
210// sepolicy sha256 for vendor
211genrule {
212    name: "microdroid_plat_sepolicy_and_mapping.sha256_gen",
213    srcs: [":microdroid_plat_sepolicy.cil", ":microdroid_plat_mapping_file"],
214    out: ["microdroid_plat_sepolicy_and_mapping.sha256"],
215    cmd: "cat $(in) | sha256sum | cut -d' ' -f1 > $(out)",
216}
217
218prebuilt_etc {
219    name: "microdroid_plat_sepolicy_and_mapping.sha256",
220    src: ":microdroid_plat_sepolicy_and_mapping.sha256_gen",
221    filename: "plat_sepolicy_and_mapping.sha256",
222    relative_install_path: "selinux",
223    installable: false,
224}
225
226prebuilt_etc {
227    name: "microdroid_precompiled_sepolicy.plat_sepolicy_and_mapping.sha256",
228    src: ":microdroid_plat_sepolicy_and_mapping.sha256_gen",
229    filename: "precompiled_sepolicy.plat_sepolicy_and_mapping.sha256",
230    relative_install_path: "selinux",
231    installable: false,
232}
233
234se_policy_binary {
235    name: "microdroid_precompiled_sepolicy",
236    stem: "precompiled_sepolicy",
237    srcs: [
238        ":microdroid_plat_sepolicy.cil",
239        ":microdroid_plat_mapping_file",
240        ":microdroid_plat_pub_versioned.cil",
241        ":microdroid_vendor_sepolicy.cil",
242    ],
243    installable: false,
244
245    // b/259729287. In Microdroid, su is allowed to be in permissive mode.
246    // This is to support fully debuggable VMs on user builds. This is safe
247    // because we don't start adbd at all on non-debuggable VMs.
248    permissive_domains_on_user_builds: ["su"],
249}
250
251genrule {
252    name: "microdroid_file_contexts.gen",
253    srcs: ["system/private/file_contexts"],
254    tools: ["fc_sort"],
255    out: ["file_contexts"],
256    cmd: "sed -e 's/#.*$$//' -e '/^$$/d' $(in) > $(out).tmp && " +
257         "$(location fc_sort) -i $(out).tmp -o $(out)",
258}
259
260prebuilt_etc {
261    name: "microdroid_file_contexts",
262    filename: "plat_file_contexts",
263    src: ":microdroid_file_contexts.gen",
264    relative_install_path: "selinux",
265    installable: false,
266}
267
268genrule {
269    name: "microdroid_vendor_file_contexts.gen",
270    srcs: ["vendor/file_contexts"],
271    tools: ["fc_sort"],
272    out: ["file_contexts"],
273    cmd: "sed -e 's/#.*$$//' -e '/^$$/d' $(in) > $(out).tmp && " +
274         "$(location fc_sort) -i $(out).tmp -o $(out)",
275}
276
277prebuilt_etc {
278    name: "microdroid_property_contexts",
279    filename: "plat_property_contexts",
280    src: "system/private/property_contexts",
281    relative_install_path: "selinux",
282    installable: false,
283}
284
285// For CTS
286se_policy_conf {
287    name: "microdroid_general_sepolicy.conf",
288    srcs: system_policy_files,
289    exclude_build_test: true,
290    installable: false,
291    mls_cats: 1,
292}
293