security/apparmor/Makefile

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