Android.mk revision 22fc04103b70dd5a1cb1b5a8309ef20461e06289 
1LOCAL_PATH:= $(call my-dir)
2
3include $(CLEAR_VARS)
4
5# SELinux policy version.
6# Must be <= /selinux/policyvers reported by the Android kernel.
7# Must be within the compatibility range reported by checkpolicy -V.
8POLICYVERS ?= 24
9
10MLS_SENS=1
11MLS_CATS=1024
12
13MAC_PERMISSION_FILE=mac_permissions.xml
14
15# Detect if someone tries to union the mac permissions policy file
16$(if $(filter $(MAC_PERMISSION_FILE), $(BOARD_SEPOLICY_UNION)), \
17    $(error Cannot specify $(MAC_PERMISSION_FILE) in BOARD_SEPOLICY_UNION) \
18)
19
20# Quick edge case error detection for BOARD_SEPOLICY_REPLACE.
21# Builds the singular path for each replace file.
22sepolicy_replace_paths :=
23$(foreach pf, $(BOARD_SEPOLICY_REPLACE), \
24  $(if $(filter $(pf), $(BOARD_SEPOLICY_UNION)), \
25    $(error Ambiguous request for sepolicy $(pf). Appears in both \
26      BOARD_SEPOLICY_REPLACE and BOARD_SEPOLICY_UNION), \
27  ) \
28  $(eval _paths := $(wildcard $(addsuffix /$(pf), $(BOARD_SEPOLICY_DIRS)))) \
29  $(eval _occurrences := $(words $(_paths))) \
30  $(if $(filter 0,$(_occurrences)), \
31    $(error No sepolicy file found for $(pf) in $(BOARD_SEPOLICY_DIRS)), \
32  ) \
33  $(if $(filter 1, $(_occurrences)), \
34    $(eval sepolicy_replace_paths += $(_paths)), \
35    $(error Multiple occurrences of replace file $(pf) in $(_paths)) \
36  ) \
37  $(if $(filter 0, $(words $(wildcard $(addsuffix /$(pf), $(LOCAL_PATH))))), \
38    $(error Specified the sepolicy file $(pf) in BOARD_SEPOLICY_REPLACE, \
39      but none found in $(LOCAL_PATH)), \
40  ) \
41)
42
43# Builds paths for all requested policy files w.r.t
44# both BOARD_SEPOLICY_REPLACE and BOARD_SEPOLICY_UNION
45# product variables.
46# $(1): the set of policy name paths to build
47build_policy = $(foreach type, $(1), \
48  $(foreach expanded_type, $(notdir $(wildcard $(addsuffix /$(type), $(LOCAL_PATH)))), \
49    $(if $(filter $(expanded_type), $(BOARD_SEPOLICY_REPLACE)), \
50      $(wildcard $(addsuffix $(expanded_type), $(dir $(sepolicy_replace_paths)))), \
51      $(LOCAL_PATH)/$(expanded_type) \
52    ) \
53  ) \
54  $(foreach union_policy, $(wildcard $(addsuffix /$(type), $(BOARD_SEPOLICY_DIRS))), \
55    $(if $(filter $(notdir $(union_policy)), $(BOARD_SEPOLICY_UNION)), \
56      $(union_policy), \
57    ) \
58  ) \
59)
60
61##################################
62include $(CLEAR_VARS)
63
64LOCAL_MODULE := sepolicy
65LOCAL_MODULE_CLASS := ETC
66LOCAL_MODULE_TAGS := optional
67LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
68
69include $(BUILD_SYSTEM)/base_rules.mk
70
71sepolicy_policy.conf := $(intermediates)/policy.conf
72$(sepolicy_policy.conf): PRIVATE_MLS_SENS := $(MLS_SENS)
73$(sepolicy_policy.conf): PRIVATE_MLS_CATS := $(MLS_CATS)
74$(sepolicy_policy.conf) : $(call build_policy, security_classes initial_sids access_vectors global_macros mls_macros mls policy_capabilities te_macros attributes *.te roles users initial_sid_contexts fs_use genfs_contexts port_contexts)
75	@mkdir -p $(dir $@)
76	$(hide) m4 -D mls_num_sens=$(PRIVATE_MLS_SENS) -D mls_num_cats=$(PRIVATE_MLS_CATS) -s $^ > $@
77
78$(LOCAL_BUILT_MODULE) : $(sepolicy_policy.conf) $(HOST_OUT_EXECUTABLES)/checkpolicy
79	@mkdir -p $(dir $@)
80	$(hide) $(HOST_OUT_EXECUTABLES)/checkpolicy -M -c $(POLICYVERS) -o $@ $<
81
82built_sepolicy := $(LOCAL_BUILT_MODULE)
83sepolicy_policy.conf :=
84
85###################################
86include $(CLEAR_VARS)
87
88LOCAL_MODULE := file_contexts
89LOCAL_MODULE_CLASS := ETC
90LOCAL_MODULE_TAGS := optional
91LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
92
93include $(BUILD_SYSTEM)/base_rules.mk
94
95ALL_FC_FILES := $(call build_policy, file_contexts)
96
97$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
98$(LOCAL_BUILT_MODULE):  $(ALL_FC_FILES) $(built_sepolicy) $(HOST_OUT_EXECUTABLES)/checkfc
99	@mkdir -p $(dir $@)
100	$(hide) m4 -s $(ALL_FC_FILES) > $@
101	$(hide) $(HOST_OUT_EXECUTABLES)/checkfc $(PRIVATE_SEPOLICY) $@
102
103file_contexts :=
104
105##################################
106include $(CLEAR_VARS)
107LOCAL_MODULE := seapp_contexts
108LOCAL_MODULE_CLASS := ETC
109LOCAL_MODULE_TAGS := optional
110LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
111
112include $(BUILD_SYSTEM)/base_rules.mk
113
114seapp_contexts.tmp := $(intermediates)/seapp_contexts.tmp
115$(seapp_contexts.tmp): $(call build_policy, seapp_contexts)
116	@mkdir -p $(dir $@)
117	$(hide) m4 -s $^ > $@
118
119$(LOCAL_BUILT_MODULE): PRIVATE_SEPOLICY := $(built_sepolicy)
120$(LOCAL_BUILT_MODULE) : $(seapp_contexts.tmp) $(built_sepolicy) $(HOST_OUT_EXECUTABLES)/checkseapp
121	@mkdir -p $(dir $@)
122	$(HOST_OUT_EXECUTABLES)/checkseapp -p $(PRIVATE_SEPOLICY) -o $@ $<
123
124seapp_contexts.tmp :=
125built_sepolicy :=
126##################################
127include $(CLEAR_VARS)
128
129LOCAL_MODULE := property_contexts
130LOCAL_MODULE_CLASS := ETC
131LOCAL_MODULE_TAGS := optional
132LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
133
134include $(BUILD_SYSTEM)/base_rules.mk
135
136property_contexts := $(intermediates)/property_contexts
137$(property_contexts): $(call build_policy, property_contexts)
138	@mkdir -p $(dir $@)
139	$(hide) m4 -s $^ > $@
140
141property_contexts :=
142##################################
143
144##################################
145include $(CLEAR_VARS)
146
147LOCAL_MODULE := selinux-network.sh
148LOCAL_SRC_FILES := $(LOCAL_MODULE)
149LOCAL_MODULE_CLASS := EXECUTABLES
150LOCAL_MODULE_TAGS := optional
151LOCAL_MODULE_PATH := $(TARGET_OUT_EXECUTABLES)
152
153include $(BUILD_PREBUILT)
154
155##################################
156include $(CLEAR_VARS)
157
158LOCAL_MODULE := $(MAC_PERMISSION_FILE)
159LOCAL_MODULE_CLASS := ETC
160LOCAL_MODULE_TAGS := optional
161LOCAL_MODULE_PATH := $(TARGET_OUT_ETC)/security
162
163include $(BUILD_SYSTEM)/base_rules.mk
164
165# Build keys.conf
166mac_perms_keys.tmp := $(intermediates)/keys.tmp
167$(mac_perms_keys.tmp) : $(call build_policy, keys.conf)
168	@mkdir -p $(dir $@)
169	$(hide) m4 -s $^ > $@
170
171# Build mac_permissions.xml
172$(MAC_PERMISSION_FILE).tmp := $(intermediates)/$(MAC_PERMISSION_FILE).tmp
173$($(MAC_PERMISSION_FILE).tmp) : $(call build_policy, $(MAC_PERMISSION_FILE))
174	@mkdir -p $(dir $@)
175	$(hide) cp $^ $@
176
177$(LOCAL_BUILT_MODULE) : $($(MAC_PERMISSION_FILE).tmp) $(mac_perms_keys.tmp) $(HOST_OUT_EXECUTABLES)/insertkeys.py
178	@mkdir -p $(dir $@)
179	$(HOST_OUT_EXECUTABLES)/insertkeys.py -t $(TARGET_BUILD_VARIANT) -c $(ANDROID_BUILD_TOP) $(mac_perms_keys.tmp) -o $@ $<
180
181$(MAC_PERMISSION_FILE).tmp :=
182##################################
183
184build_policy :=
185sepolicy_replace_paths :=
186
187include $(call all-makefiles-under,$(LOCAL_PATH))
188