security/apparmor/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 # Makefile for AppArmor Linux Security Module
   3 #
   4 obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
   5
   6 apparmor-y := apparmorfs.o audit.o capability.o context.o ipc.o lib.o match.o \
   7               path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
   8               resource.o secid.o file.o policy_ns.o label.o mount.o
   9 apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
  10
  11 clean-files := capability_names.h rlim_names.h
  12
  13
  14 # Build a lower case string table of capability names
  15 # Transforms lines from
  16 #    #define CAP_DAC_OVERRIDE     1
  17 # to
  18 #    [1] = "dac_override",
  19 quiet_cmd_make-caps = GEN     $@
  20 cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
  21         sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
  22         -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
  23         echo "};" >> $@ ;\
  24         printf '%s' '\#define AA_SFS_CAPS_MASK "' >> $@ ;\
  25         sed $< -r -n -e '/CAP_FS_MASK/d' \
  26             -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/\L\1/p' | \
  27              tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
  28
  29
  30 # Build a lower case string table of rlimit names.
  31 # Transforms lines from
  32 #    #define RLIMIT_STACK               3       /* max stack size */
  33 # to
  34 #    [RLIMIT_STACK] = "stack",
  35 #
  36 # and build a second integer table (with the second sed cmd), that maps
  37 # RLIMIT defines to the order defined in asm-generic/resource.h  This is
  38 # required by policy load to map policy ordering of RLIMITs to internal
  39 # ordering for architectures that redefine an RLIMIT.
  40 # Transforms lines from
  41 #    #define RLIMIT_STACK               3       /* max stack size */
  42 # to
  43 # RLIMIT_STACK,
  44 #
  45 # and build the securityfs entries for the mapping.
  46 # Transforms lines from
  47 #    #define RLIMIT_FSIZE        1   /* Maximum filesize */
  48 #    #define RLIMIT_STACK               3       /* max stack size */
  49 # to
  50 # #define AA_SFS_RLIMIT_MASK "fsize stack"
  51 quiet_cmd_make-rlim = GEN     $@
  52 cmd_make-rlim = echo "static const char *const rlim_names[RLIM_NLIMITS] = {" \
  53         > $@ ;\
  54         sed $< >> $@ -r -n \
  55             -e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
  56         echo "};" >> $@ ;\
  57         echo "static const int rlim_map[RLIM_NLIMITS] = {" >> $@ ;\
  58         sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
  59         echo "};" >> $@ ; \
  60         printf '%s' '\#define AA_SFS_RLIMIT_MASK "' >> $@ ;\
  61         sed -r -n 's/^\# ?define[ \t]+RLIMIT_([A-Z0-9_]+).*/\L\1/p' $< | \
  62             tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
  63
  64 $(obj)/capability.o : $(obj)/capability_names.h
  65 $(obj)/resource.o : $(obj)/rlim_names.h
  66 $(obj)/capability_names.h : $(srctree)/include/uapi/linux/capability.h \
  67                             $(src)/Makefile
  68         $(call cmd,make-caps)
  69 $(obj)/rlim_names.h : $(srctree)/include/uapi/asm-generic/resource.h \
  70                       $(src)/Makefile
  71         $(call cmd,make-rlim)