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# SPDX-License-Identifier: GPL-2.0
# Makefile for AppArmor Linux Security Module
#
obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
apparmor-y := apparmorfs.o audit.o capability.o context.o ipc.o lib.o match.o \
path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
resource.o secid.o file.o policy_ns.o label.o mount.o
apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
clean-files := capability_names.h rlim_names.h
# Build a lower case string table of capability names
# Transforms lines from
# #define CAP_DAC_OVERRIDE 1
# to
# [1] = "dac_override",
quiet_cmd_make-caps = GEN $@
cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
-e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
echo "};" >> $@ ;\
printf '%s' '\#define AA_SFS_CAPS_MASK "' >> $@ ;\
sed $< -r -n -e '/CAP_FS_MASK/d' \
-e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/\L\1/p' | \
tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
# Build a lower case string table of rlimit names.
# Transforms lines from
# #define RLIMIT_STACK 3 /* max stack size */
# to
# [RLIMIT_STACK] = "stack",
#
# and build a second integer table (with the second sed cmd), that maps
# RLIMIT defines to the order defined in asm-generic/resource.h This is
# required by policy load to map policy ordering of RLIMITs to internal
# ordering for architectures that redefine an RLIMIT.
# Transforms lines from
# #define RLIMIT_STACK 3 /* max stack size */
# to
# RLIMIT_STACK,
#
# and build the securityfs entries for the mapping.
# Transforms lines from
# #define RLIMIT_FSIZE 1 /* Maximum filesize */
# #define RLIMIT_STACK 3 /* max stack size */
# to
# #define AA_SFS_RLIMIT_MASK "fsize stack"
quiet_cmd_make-rlim = GEN $@
cmd_make-rlim = echo "static const char *const rlim_names[RLIM_NLIMITS] = {" \
> $@ ;\
sed $< >> $@ -r -n \
-e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
echo "};" >> $@ ;\
echo "static const int rlim_map[RLIM_NLIMITS] = {" >> $@ ;\
sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
echo "};" >> $@ ; \
printf '%s' '\#define AA_SFS_RLIMIT_MASK "' >> $@ ;\
sed -r -n 's/^\# ?define[ \t]+RLIMIT_([A-Z0-9_]+).*/\L\1/p' $< | \
tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
$(obj)/capability.o : $(obj)/capability_names.h
$(obj)/resource.o : $(obj)/rlim_names.h
$(obj)/capability_names.h : $(srctree)/include/uapi/linux/capability.h \
$(src)/Makefile
$(call cmd,make-caps)
$(obj)/rlim_names.h : $(srctree)/include/uapi/asm-generic/resource.h \
$(src)/Makefile
$(call cmd,make-rlim)
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