xref: /openbmc/linux/security/apparmor/Makefile (revision 43c422ed)
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
8
9clean-files := capability_names.h rlim_names.h
10
11
12# Build a lower case string table of capability names
13# Transforms lines from
14#    #define CAP_DAC_OVERRIDE     1
15# to
16#    [1] = "dac_override",
17quiet_cmd_make-caps = GEN     $@
18cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
19	sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
20	-e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
21	echo "};" >> $@
22
23
24# Build a lower case string table of rlimit names.
25# Transforms lines from
26#    #define RLIMIT_STACK		3	/* max stack size */
27# to
28#    [RLIMIT_STACK] = "stack",
29#
30# and build a second integer table (with the second sed cmd), that maps
31# RLIMIT defines to the order defined in asm-generic/resource.h  This is
32# required by policy load to map policy ordering of RLIMITs to internal
33# ordering for architectures that redefine an RLIMIT.
34# Transforms lines from
35#    #define RLIMIT_STACK		3	/* max stack size */
36# to
37# RLIMIT_STACK,
38#
39# and build the securityfs entries for the mapping.
40# Transforms lines from
41#    #define RLIMIT_FSIZE        1   /* Maximum filesize */
42#    #define RLIMIT_STACK		3	/* max stack size */
43# to
44# #define AA_FS_RLIMIT_MASK "fsize stack"
45quiet_cmd_make-rlim = GEN     $@
46cmd_make-rlim = echo "static const char *const rlim_names[RLIM_NLIMITS] = {" \
47	> $@ ;\
48	sed $< >> $@ -r -n \
49	    -e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
50	echo "};" >> $@ ;\
51	echo "static const int rlim_map[RLIM_NLIMITS] = {" >> $@ ;\
52	sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
53	echo "};" >> $@ ; \
54	echo -n '\#define AA_FS_RLIMIT_MASK "' >> $@ ;\
55	sed -r -n 's/^\# ?define[ \t]+RLIMIT_([A-Z0-9_]+).*/\L\1/p' $< | \
56	    tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
57
58$(obj)/capability.o : $(obj)/capability_names.h
59$(obj)/resource.o : $(obj)/rlim_names.h
60$(obj)/capability_names.h : $(srctree)/include/uapi/linux/capability.h \
61			    $(src)/Makefile
62	$(call cmd,make-caps)
63$(obj)/rlim_names.h : $(srctree)/include/uapi/asm-generic/resource.h \
64		      $(src)/Makefile
65	$(call cmd,make-rlim)
66