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AppArmor: Cleanup make file to remove cruft and make it easier to read 

Cleanups based on comments from Sam Ravnborg,

* remove references to the currently unused af_names.h
* add rlim_names.h to clean-files:
* rework cmd_make-XXX to make them more readable by adding comments,
  reworking the expressions to put logical components on individual lines,
  and keep lines < 80 characters.

Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
John Johansen 2011-03-05 02:18:02 -08:00
parent eae61f3c82
commit 4fdef2183e
1 changed files with 33 additions and 5 deletions
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38
security/apparmor/Makefile
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@ -6,19 +6,47 @@ 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 sid.o file.o
clean-files: capability_names.h af_names.h
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 *capability_names[] = {" > $@ ; sed -n -e "/CAP_FS_MASK/d" -e "s/^\#define[ \\t]\\+CAP_\\([A-Z0-9_]\\+\\)[ \\t]\\+\\([0-9]\\+\\)\$$/[\\2] = \"\\1\",/p" $< | tr A-Z a-z >> $@ ; echo "};" >> $@
cmd_make-caps = echo "static const char *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 "};" >> $@
# 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 Thi 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,
quiet_cmd_make-rlim = GEN $@
cmd_make-rlim = echo "static const char *rlim_names[] = {" > $@ ; sed -n --e "/AF_MAX/d" -e "s/^\# \\?define[ \\t]\\+RLIMIT_\\([A-Z0-9_]\\+\\)[ \\t]\\+\\([0-9]\\+\\)\\(.*\\)\$$/[\\2] = \"\\1\",/p" $< | tr A-Z a-z >> $@ ; echo "};" >> $@ ; echo "static const int rlim_map[] = {" >> $@ ; sed -n -e "/AF_MAX/d" -e "s/^\# \\?define[ \\t]\\+\\(RLIMIT_[A-Z0-9_]\\+\\)[ \\t]\\+\\([0-9]\\+\\)\\(.*\\)\$$/\\1,/p" $< >> $@ ; echo "};" >> $@
cmd_make-rlim = echo "static const char *rlim_names[] = {" > $@ ;\
sed $< >> $@ -r -n \
-e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
echo "};" >> $@ ;\
echo "static const int rlim_map[] = {" >> $@ ;\
sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
echo "};" >> $@
$(obj)/capability.o : $(obj)/capability_names.h
$(obj)/resource.o : $(obj)/rlim_names.h
$(obj)/capability_names.h : $(srctree)/include/linux/capability.h
$(call cmd,make-caps)
$(obj)/af_names.h : $(srctree)/include/linux/socket.h
$(call cmd,make-af)
$(obj)/rlim_names.h : $(srctree)/include/asm-generic/resource.h
$(call cmd,make-rlim)