1# SPDX-License-Identifier: GPL-2.0
2# Makefile for AppArmor Linux Security Module
3#
4obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
5
6apparmor-y := apparmorfs.o audit.o capability.o task.o ipc.o lib.o match.o \
7              path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
8              resource.o secid.o file.o policy_ns.o label.o mount.o net.o \
9              policy_compat.o
10apparmor-$(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 *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/ $$/"\n/' >> $@
39
40# Build a lower case string table of sock type names
41# Transform lines from
42#    SOCK_STREAM	= 1,
43# to
44#    [1] = "stream",
45quiet_cmd_make-sock = GEN     $@
46cmd_make-sock = echo "static const char *sock_type_names[] = {" >> $@ ;\
47	sed $^ >>$@ -r -n \
48	-e 's/^\tSOCK_([A-Z0-9_]+)[\t]+=[ \t]+([0-9]+)(.*)/[\2] = "\L\1",/p';\
49	echo "};" >> $@
50
51# Build a lower case string table of capability names
52# Transforms lines from
53#    #define CAP_DAC_OVERRIDE     1
54# to
55#    [1] = "dac_override",
56quiet_cmd_make-caps = GEN     $@
57cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
58	sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
59	-e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
60	echo "};" >> $@ ;\
61	printf '%s' '\#define AA_SFS_CAPS_MASK "' >> $@ ;\
62	sed $< -r -n -e '/CAP_FS_MASK/d' \
63	    -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/\L\1/p' | \
64	     tr '\n' ' ' | sed -e 's/ $$/"\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)
115