xref: /openbmc/linux/security/apparmor/Makefile (revision 651e28c5)
1# Makefile for AppArmor Linux Security Module
2#
3obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
4
5apparmor-y := apparmorfs.o audit.o capability.o context.o ipc.o lib.o match.o \
6              path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
7              resource.o secid.o file.o policy_ns.o label.o mount.o net.o
8apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
9
10clean-files := capability_names.h rlim_names.h net_names.h
11
12# Build a lower case string table of address family names
13# Transform lines from
14#    #define AF_LOCAL		1	/* POSIX name for AF_UNIX	*/
15#    #define AF_INET		2	/* Internet IP Protocol 	*/
16# to
17#    [1] = "local",
18#    [2] = "inet",
19#
20# and build the securityfs entries for the mapping.
21# Transforms lines from
22#    #define AF_INET		2	/* Internet IP Protocol 	*/
23# to
24#    #define AA_SFS_AF_MASK "local inet"
25quiet_cmd_make-af = GEN     $@
26cmd_make-af = echo "static const char *address_family_names[] = {" > $@ ;\
27	sed $< >>$@ -r -n -e "/AF_MAX/d" -e "/AF_LOCAL/d" -e "/AF_ROUTE/d" -e \
28	 's/^\#define[ \t]+AF_([A-Z0-9_]+)[ \t]+([0-9]+)(.*)/[\2] = "\L\1",/p';\
29	echo "};" >> $@ ;\
30	printf '%s' '\#define AA_SFS_AF_MASK "' >> $@ ;\
31	sed -r -n -e "/AF_MAX/d" -e "/AF_LOCAL/d" -e "/AF_ROUTE/d" -e \
32	 's/^\#define[ \t]+AF_([A-Z0-9_]+)[ \t]+([0-9]+)(.*)/\L\1/p'\
33	 $< | tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
34
35# Build a lower case string table of sock type names
36# Transform lines from
37#    SOCK_STREAM	= 1,
38# to
39#    [1] = "stream",
40quiet_cmd_make-sock = GEN     $@
41cmd_make-sock = echo "static const char *sock_type_names[] = {" >> $@ ;\
42	sed $^ >>$@ -r -n \
43	-e 's/^\tSOCK_([A-Z0-9_]+)[\t]+=[ \t]+([0-9]+)(.*)/[\2] = "\L\1",/p';\
44	echo "};" >> $@
45
46# Build a lower case string table of capability names
47# Transforms lines from
48#    #define CAP_DAC_OVERRIDE     1
49# to
50#    [1] = "dac_override",
51quiet_cmd_make-caps = GEN     $@
52cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
53	sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
54	-e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
55	echo "};" >> $@ ;\
56	printf '%s' '\#define AA_SFS_CAPS_MASK "' >> $@ ;\
57	sed $< -r -n -e '/CAP_FS_MASK/d' \
58	    -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/\L\1/p' | \
59	     tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
60
61
62# Build a lower case string table of rlimit names.
63# Transforms lines from
64#    #define RLIMIT_STACK		3	/* max stack size */
65# to
66#    [RLIMIT_STACK] = "stack",
67#
68# and build a second integer table (with the second sed cmd), that maps
69# RLIMIT defines to the order defined in asm-generic/resource.h  This is
70# required by policy load to map policy ordering of RLIMITs to internal
71# ordering for architectures that redefine an RLIMIT.
72# Transforms lines from
73#    #define RLIMIT_STACK		3	/* max stack size */
74# to
75# RLIMIT_STACK,
76#
77# and build the securityfs entries for the mapping.
78# Transforms lines from
79#    #define RLIMIT_FSIZE        1   /* Maximum filesize */
80#    #define RLIMIT_STACK		3	/* max stack size */
81# to
82# #define AA_SFS_RLIMIT_MASK "fsize stack"
83quiet_cmd_make-rlim = GEN     $@
84cmd_make-rlim = echo "static const char *const rlim_names[RLIM_NLIMITS] = {" \
85	> $@ ;\
86	sed $< >> $@ -r -n \
87	    -e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
88	echo "};" >> $@ ;\
89	echo "static const int rlim_map[RLIM_NLIMITS] = {" >> $@ ;\
90	sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
91	echo "};" >> $@ ; \
92	printf '%s' '\#define AA_SFS_RLIMIT_MASK "' >> $@ ;\
93	sed -r -n 's/^\# ?define[ \t]+RLIMIT_([A-Z0-9_]+).*/\L\1/p' $< | \
94	    tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
95
96$(obj)/capability.o : $(obj)/capability_names.h
97$(obj)/net.o : $(obj)/net_names.h
98$(obj)/resource.o : $(obj)/rlim_names.h
99$(obj)/capability_names.h : $(srctree)/include/uapi/linux/capability.h \
100			    $(src)/Makefile
101	$(call cmd,make-caps)
102$(obj)/rlim_names.h : $(srctree)/include/uapi/asm-generic/resource.h \
103		      $(src)/Makefile
104	$(call cmd,make-rlim)
105$(obj)/net_names.h : $(srctree)/include/linux/socket.h \
106		     $(srctree)/include/linux/net.h \
107		     $(src)/Makefile
108	$(call cmd,make-af)
109	$(call cmd,make-sock)
110