1# Makefile for AppArmor Linux Security Module
2#
3obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
4
5apparmor-y := apparmorfs.o audit.o capability.o context.o ipc.o lib.o match.o \
6              path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
7              resource.o sid.o file.o
8apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
9
10clean-files := capability_names.h rlim_names.h
11
12
13# Build a lower case string table of capability names
14# Transforms lines from
15#    #define CAP_DAC_OVERRIDE     1
16# to
17#    [1] = "dac_override",
18quiet_cmd_make-caps = GEN     $@
19cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
20	sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
21	-e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
22	echo "};" >> $@ ;\
23	echo -n '\#define AA_FS_CAPS_MASK "' >> $@ ;\
24	sed $< -r -n -e '/CAP_FS_MASK/d' \
25	    -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/\L\1/p' | \
26	     tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
27
28
29# Build a lower case string table of rlimit names.
30# Transforms lines from
31#    #define RLIMIT_STACK		3	/* max stack size */
32# to
33#    [RLIMIT_STACK] = "stack",
34#
35# and build a second integer table (with the second sed cmd), that maps
36# RLIMIT defines to the order defined in asm-generic/resource.h  This is
37# required by policy load to map policy ordering of RLIMITs to internal
38# ordering for architectures that redefine an RLIMIT.
39# Transforms lines from
40#    #define RLIMIT_STACK		3	/* max stack size */
41# to
42# RLIMIT_STACK, 
43#
44# and build the securityfs entries for the mapping.
45# Transforms lines from
46#    #define RLIMIT_FSIZE        1   /* Maximum filesize */
47#    #define RLIMIT_STACK		3	/* max stack size */
48# to
49# #define AA_FS_RLIMIT_MASK "fsize stack"
50quiet_cmd_make-rlim = GEN     $@
51cmd_make-rlim = echo "static const char *const rlim_names[RLIM_NLIMITS] = {" \
52	> $@ ;\
53	sed $< >> $@ -r -n \
54	    -e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
55	echo "};" >> $@ ;\
56	echo "static const int rlim_map[RLIM_NLIMITS] = {" >> $@ ;\
57	sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
58	echo "};" >> $@ ; \
59	echo -n '\#define AA_FS_RLIMIT_MASK "' >> $@ ;\
60	sed -r -n 's/^\# ?define[ \t]+RLIMIT_([A-Z0-9_]+).*/\L\1/p' $< | \
61	    tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
62
63$(obj)/capability.o : $(obj)/capability_names.h
64$(obj)/resource.o : $(obj)/rlim_names.h
65$(obj)/capability_names.h : $(srctree)/include/uapi/linux/capability.h \
66			    $(src)/Makefile
67	$(call cmd,make-caps)
68$(obj)/rlim_names.h : $(srctree)/include/uapi/asm-generic/resource.h \
69		      $(src)/Makefile
70	$(call cmd,make-rlim)
71