LXR linux/security/apparmor/Makefile

   1# Makefile for AppArmor Linux Security Module
   2#
   3obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
   4
   5apparmor-y := apparmorfs.o audit.o capability.o context.o ipc.o lib.o match.o \
   6              path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
   7              resource.o sid.o file.o
   8apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
   9
  10clean-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",
  18quiet_cmd_make-caps = GEN     $@
  19cmd_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/ $$/"\n/' >> $@
  27
  28
  29# Build a lower case string table of rlimit names.
  30# Transforms lines from
  31#    #define RLIMIT_STACK               3       /* max stack size */
  32# to
  33#    [RLIMIT_STACK] = "stack",
  34#
  35# and build a second integer table (with the second sed cmd), that maps
  36# RLIMIT defines to the order defined in asm-generic/resource.h  This is
  37# required by policy load to map policy ordering of RLIMITs to internal
  38# ordering for architectures that redefine an RLIMIT.
  39# Transforms lines from
  40#    #define RLIMIT_STACK               3       /* max stack size */
  41# to
  42# RLIMIT_STACK, 
  43#
  44# and build the securityfs entries for the mapping.
  45# Transforms lines from
  46#    #define RLIMIT_FSIZE        1   /* Maximum filesize */
  47#    #define RLIMIT_STACK               3       /* max stack size */
  48# to
  49# #define AA_FS_RLIMIT_MASK "fsize stack"
  50quiet_cmd_make-rlim = GEN     $@
  51cmd_make-rlim = echo "static const char *const rlim_names[RLIM_NLIMITS] = {" \
  52        > $@ ;\
  53        sed $< >> $@ -r -n \
  54            -e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
  55        echo "};" >> $@ ;\
  56        echo "static const int rlim_map[RLIM_NLIMITS] = {" >> $@ ;\
  57        sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
  58        echo "};" >> $@ ; \
  59        echo -n '\#define AA_FS_RLIMIT_MASK "' >> $@ ;\
  60        sed -r -n 's/^\# ?define[ \t]+RLIMIT_([A-Z0-9_]+).*/\L\1/p' $< | \
  61            tr '\n' ' ' | sed -e 's/ $$/"\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)
  71