security/apparmor/Makefile

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