linux/security/apparmor/Makefile
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   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
   8
   9clean-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",
  17quiet_cmd_make-caps = GEN     $@
  18cmd_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"
  45quiet_cmd_make-rlim = GEN     $@
  46cmd_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)
  66
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