security/apparmor/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 # Makefile for AppArmor Linux Security Module
   3 #
   4 obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
   5
   6 apparmor-y := apparmorfs.o audit.o capability.o context.o ipc.o lib.o match.o \
   7               path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
   8               resource.o secid.o file.o policy_ns.o label.o mount.o net.o \
   9               af_unix.o
  10 apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
  11
  12 clean-files := capability_names.h rlim_names.h net_names.h
  13
  14 # Build a lower case string table of address family names
  15 # Transform lines from
  16 #    #define AF_LOCAL           1       /* POSIX name for AF_UNIX       */
  17 #    #define AF_INET            2       /* Internet IP Protocol         */
  18 # to
  19 #    [1] = "local",
  20 #    [2] = "inet",
  21 #
  22 # and build the securityfs entries for the mapping.
  23 # Transforms lines from
  24 #    #define AF_INET            2       /* Internet IP Protocol         */
  25 # to
  26 #    #define AA_SFS_AF_MASK "local inet"
  27 quiet_cmd_make-af = GEN     $@
  28 cmd_make-af = echo "static const char *address_family_names[] = {" > $@ ;\
  29         sed $< >>$@ -r -n -e "/AF_MAX/d" -e "/AF_LOCAL/d" -e "/AF_ROUTE/d" -e \
  30          's/^\#define[ \t]+AF_([A-Z0-9_]+)[ \t]+([0-9]+)(.*)/[\2] = "\L\1",/p';\
  31         echo "};" >> $@ ;\
  32         printf '%s' '\#define AA_SFS_AF_MASK "' >> $@ ;\
  33         sed -r -n -e "/AF_MAX/d" -e "/AF_LOCAL/d" -e "/AF_ROUTE/d" -e \
  34          's/^\#define[ \t]+AF_([A-Z0-9_]+)[ \t]+([0-9]+)(.*)/\L\1/p'\
  35          $< | tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
  36
  37 # Build a lower case string table of sock type names
  38 # Transform lines from
  39 #    SOCK_STREAM        = 1,
  40 # to
  41 #    [1] = "stream",
  42 quiet_cmd_make-sock = GEN     $@
  43 cmd_make-sock = echo "static const char *sock_type_names[] = {" >> $@ ;\
  44         sed $^ >>$@ -r -n \
  45         -e 's/^\tSOCK_([A-Z0-9_]+)[\t]+=[ \t]+([0-9]+)(.*)/[\2] = "\L\1",/p';\
  46         echo "};" >> $@
  47
  48 # Build a lower case string table of capability names
  49 # Transforms lines from
  50 #    #define CAP_DAC_OVERRIDE     1
  51 # to
  52 #    [1] = "dac_override",
  53 quiet_cmd_make-caps = GEN     $@
  54 cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
  55         sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
  56         -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
  57         echo "};" >> $@ ;\
  58         printf '%s' '\#define AA_SFS_CAPS_MASK "' >> $@ ;\
  59         sed $< -r -n -e '/CAP_FS_MASK/d' \
  60             -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/\L\1/p' | \
  61              tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
  62
  63
  64 # Build a lower case string table of rlimit names.
  65 # Transforms lines from
  66 #    #define RLIMIT_STACK               3       /* max stack size */
  67 # to
  68 #    [RLIMIT_STACK] = "stack",
  69 #
  70 # and build a second integer table (with the second sed cmd), that maps
  71 # RLIMIT defines to the order defined in asm-generic/resource.h  This is
  72 # required by policy load to map policy ordering of RLIMITs to internal
  73 # ordering for architectures that redefine an RLIMIT.
  74 # Transforms lines from
  75 #    #define RLIMIT_STACK               3       /* max stack size */
  76 # to
  77 # RLIMIT_STACK,
  78 #
  79 # and build the securityfs entries for the mapping.
  80 # Transforms lines from
  81 #    #define RLIMIT_FSIZE        1   /* Maximum filesize */
  82 #    #define RLIMIT_STACK               3       /* max stack size */
  83 # to
  84 # #define AA_SFS_RLIMIT_MASK "fsize stack"
  85 quiet_cmd_make-rlim = GEN     $@
  86 cmd_make-rlim = echo "static const char *const rlim_names[RLIM_NLIMITS] = {" \
  87         > $@ ;\
  88         sed $< >> $@ -r -n \
  89             -e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
  90         echo "};" >> $@ ;\
  91         echo "static const int rlim_map[RLIM_NLIMITS] = {" >> $@ ;\
  92         sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
  93         echo "};" >> $@ ; \
  94         printf '%s' '\#define AA_SFS_RLIMIT_MASK "' >> $@ ;\
  95         sed -r -n 's/^\# ?define[ \t]+RLIMIT_([A-Z0-9_]+).*/\L\1/p' $< | \
  96             tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
  97
  98 $(obj)/capability.o : $(obj)/capability_names.h
  99 $(obj)/net.o : $(obj)/net_names.h
 100 $(obj)/resource.o : $(obj)/rlim_names.h
 101 $(obj)/capability_names.h : $(srctree)/include/uapi/linux/capability.h \
 102                             $(src)/Makefile
 103         $(call cmd,make-caps)
 104 $(obj)/rlim_names.h : $(srctree)/include/uapi/asm-generic/resource.h \
 105                       $(src)/Makefile
 106         $(call cmd,make-rlim)
 107 $(obj)/net_names.h : $(srctree)/include/linux/socket.h \
 108                      $(srctree)/include/linux/net.h \
 109                      $(src)/Makefile
 110         $(call cmd,make-af)
 111         $(call cmd,make-sock)