security/apparmor/Makefile

   1 # Makefile for AppArmor Linux Security Module
   2 #
   3 obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
   4
   5 apparmor-y := apparmorfs.o audit.o capability.o context.o ipc.o lib.o match.o \
   6               path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
   7               resource.o sid.o file.o
   8 apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
   9
  10 clean-files := capability_names.h rlim_names.h
  11
  12
  13 # Build a lower case string table of capability names
  14 # Transforms lines from
  15 #    #define CAP_DAC_OVERRIDE     1
  16 # to
  17 #    [1] = "dac_override",
  18 quiet_cmd_make-caps = GEN     $@
  19 cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
  20         sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
  21         -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
  22         echo "};" >> $@ ;\
  23         echo -n '\#define AA_FS_CAPS_MASK "' >> $@ ;\
  24         sed $< -r -n -e '/CAP_FS_MASK/d' \
  25             -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/\L\1/p' | \
  26              tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
  27
  28
  29 # Build a lower case string table of rlimit names.
  30 # Transforms lines from
  31 #    #define RLIMIT_STACK               3       /* max stack size */
  32 # to
  33 #    [RLIMIT_STACK] = "stack",
  34 #
  35 # and build a second integer table (with the second sed cmd), that maps
  36 # RLIMIT defines to the order defined in asm-generic/resource.h  This is
  37 # required by policy load to map policy ordering of RLIMITs to internal
  38 # ordering for architectures that redefine an RLIMIT.
  39 # Transforms lines from
  40 #    #define RLIMIT_STACK               3       /* max stack size */
  41 # to
  42 # RLIMIT_STACK,
  43 #
  44 # and build the securityfs entries for the mapping.
  45 # Transforms lines from
  46 #    #define RLIMIT_FSIZE        1   /* Maximum filesize */
  47 #    #define RLIMIT_STACK               3       /* max stack size */
  48 # to
  49 # #define AA_FS_RLIMIT_MASK "fsize stack"
  50 quiet_cmd_make-rlim = GEN     $@
  51 cmd_make-rlim = echo "static const char *const rlim_names[RLIM_NLIMITS] = {" \
  52         > $@ ;\
  53         sed $< >> $@ -r -n \
  54             -e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
  55         echo "};" >> $@ ;\
  56         echo "static const int rlim_map[RLIM_NLIMITS] = {" >> $@ ;\
  57         sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
  58         echo "};" >> $@ ; \
  59         echo -n '\#define AA_FS_RLIMIT_MASK "' >> $@ ;\
  60         sed -r -n 's/^\# ?define[ \t]+RLIMIT_([A-Z0-9_]+).*/\L\1/p' $< | \
  61             tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
  62
  63 $(obj)/capability.o : $(obj)/capability_names.h
  64 $(obj)/resource.o : $(obj)/rlim_names.h
  65 $(obj)/capability_names.h : $(srctree)/include/uapi/linux/capability.h \
  66                             $(src)/Makefile
  67         $(call cmd,make-caps)
  68 $(obj)/rlim_names.h : $(srctree)/include/uapi/asm-generic/resource.h \
  69                       $(src)/Makefile
  70         $(call cmd,make-rlim)