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1# SPDX-License-Identifier: GPL-2.0
2# Makefile for AppArmor Linux Security Module
3#
4obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
5
6apparmor-y := apparmorfs.o audit.o capability.o task.o ipc.o lib.o match.o \
7 path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
8 resource.o secid.o file.o policy_ns.o label.o mount.o net.o \
9 policy_compat.o af_unix.o af_inet.o
10apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
11
12obj-$(CONFIG_SECURITY_APPARMOR_KUNIT_TEST) += apparmor_policy_unpack_test.o
13apparmor_policy_unpack_test-objs += policy_unpack_test.o
14
15clean-files := capability_names.h rlim_names.h net_names.h
16
17# Build a lower case string table of address family names
18# Transform lines from
19# #define AF_LOCAL 1 /* POSIX name for AF_UNIX */
20# #define AF_INET 2 /* Internet IP Protocol */
21# to
22# [1] = "local",
23# [2] = "inet",
24#
25# and build the securityfs entries for the mapping.
26# Transforms lines from
27# #define AF_INET 2 /* Internet IP Protocol */
28# to
29# #define AA_SFS_AF_MASK "local inet"
30quiet_cmd_make-af = GEN $@
31cmd_make-af = echo "static const char *const address_family_names[] = {" > $@ ;\
32 sed $< >>$@ -r -n -e "/AF_MAX/d" -e "/AF_LOCAL/d" -e "/AF_ROUTE/d" -e \
33 's/^\#define[ \t]+AF_([A-Z0-9_]+)[ \t]+([0-9]+)(.*)/[\2] = "\L\1",/p';\
34 echo "};" >> $@ ;\
35 printf '%s' '\#define AA_SFS_AF_MASK "' >> $@ ;\
36 sed -r -n -e "/AF_MAX/d" -e "/AF_LOCAL/d" -e "/AF_ROUTE/d" -e \
37 's/^\#define[ \t]+AF_([A-Z0-9_]+)[ \t]+([0-9]+)(.*)/\L\1/p'\
38 $< | tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
39
40# Build a lower case string table of sock type names
41# Transform lines from
42# SOCK_STREAM = 1,
43# to
44# [1] = "stream",
45quiet_cmd_make-sock = GEN $@
46cmd_make-sock = echo "static const char *const sock_type_names[] = {" >> $@ ;\
47 sed $^ >>$@ -r -n \
48 -e 's/^\tSOCK_([A-Z0-9_]+)[\t]+=[ \t]+([0-9]+)(.*)/[\2] = "\L\1",/p';\
49 echo "};" >> $@
50
51# Build a lower case string table of capability names
52# Transforms lines from
53# #define CAP_DAC_OVERRIDE 1
54# to
55# [1] = "dac_override",
56quiet_cmd_make-caps = GEN $@
57cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
58 sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
59 -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
60 echo "};" >> $@ ;\
61 printf '%s' '\#define AA_SFS_CAPS_MASK "' >> $@ ;\
62 sed $< -r -n -e '/CAP_FS_MASK/d' \
63 -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/\L\1/p' | \
64 tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
65
66
67# Build a lower case string table of rlimit names.
68# Transforms lines from
69# #define RLIMIT_STACK 3 /* max stack size */
70# to
71# [RLIMIT_STACK] = "stack",
72#
73# and build a second integer table (with the second sed cmd), that maps
74# RLIMIT defines to the order defined in asm-generic/resource.h This is
75# required by policy load to map policy ordering of RLIMITs to internal
76# ordering for architectures that redefine an RLIMIT.
77# Transforms lines from
78# #define RLIMIT_STACK 3 /* max stack size */
79# to
80# RLIMIT_STACK,
81#
82# and build the securityfs entries for the mapping.
83# Transforms lines from
84# #define RLIMIT_FSIZE 1 /* Maximum filesize */
85# #define RLIMIT_STACK 3 /* max stack size */
86# to
87# #define AA_SFS_RLIMIT_MASK "fsize stack"
88quiet_cmd_make-rlim = GEN $@
89cmd_make-rlim = echo "static const char *const rlim_names[RLIM_NLIMITS] = {" \
90 > $@ ;\
91 sed $< >> $@ -r -n \
92 -e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
93 echo "};" >> $@ ;\
94 echo "static const int rlim_map[RLIM_NLIMITS] = {" >> $@ ;\
95 sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
96 echo "};" >> $@ ; \
97 printf '%s' '\#define AA_SFS_RLIMIT_MASK "' >> $@ ;\
98 sed -r -n 's/^\# ?define[ \t]+RLIMIT_([A-Z0-9_]+).*/\L\1/p' $< | \
99 tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
100
101$(obj)/capability.o : $(obj)/capability_names.h
102$(obj)/net.o : $(obj)/net_names.h
103$(obj)/resource.o : $(obj)/rlim_names.h
104$(obj)/capability_names.h : $(srctree)/include/uapi/linux/capability.h \
105 $(src)/Makefile
106 $(call cmd,make-caps)
107$(obj)/rlim_names.h : $(srctree)/include/uapi/asm-generic/resource.h \
108 $(src)/Makefile
109 $(call cmd,make-rlim)
110$(obj)/net_names.h : $(srctree)/include/linux/socket.h \
111 $(srctree)/include/linux/net.h \
112 $(src)/Makefile
113 $(call cmd,make-af)
114 $(call cmd,make-sock)