security/apparmor/Makefile

   1 # Makefile for AppArmor Linux Security Module
   2 #
   3 obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
   4
   5 apparmor-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
   9 clean-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",
  17 quiet_cmd_make-caps = GEN     $@
  18 cmd_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"
  45 quiet_cmd_make-rlim = GEN     $@
  46 cmd_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)