linux/security/apparmor/Makefile
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   1# SPDX-License-Identifier: GPL-2.0
   2# Makefile for AppArmor Linux Security Module
   3#
   4obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
   5
   6apparmor-y := apparmorfs.o audit.o capability.o task.o ipc.o lib.o match.o \
   7              path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
   8              resource.o secid.o file.o policy_ns.o label.o mount.o net.o
   9apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
  10
  11clean-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"
  26quiet_cmd_make-af = GEN     $@
  27cmd_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/ $$/"\n/' >> $@
  35
  36# Build a lower case string table of sock type names
  37# Transform lines from
  38#    SOCK_STREAM        = 1,
  39# to
  40#    [1] = "stream",
  41quiet_cmd_make-sock = GEN     $@
  42cmd_make-sock = echo "static const char *sock_type_names[] = {" >> $@ ;\
  43        sed $^ >>$@ -r -n \
  44        -e 's/^\tSOCK_([A-Z0-9_]+)[\t]+=[ \t]+([0-9]+)(.*)/[\2] = "\L\1",/p';\
  45        echo "};" >> $@
  46
  47# Build a lower case string table of capability names
  48# Transforms lines from
  49#    #define CAP_DAC_OVERRIDE     1
  50# to
  51#    [1] = "dac_override",
  52quiet_cmd_make-caps = GEN     $@
  53cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
  54        sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
  55        -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
  56        echo "};" >> $@ ;\
  57        printf '%s' '\#define AA_SFS_CAPS_MASK "' >> $@ ;\
  58        sed $< -r -n -e '/CAP_FS_MASK/d' \
  59            -e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/\L\1/p' | \
  60             tr '\n' ' ' | sed -e 's/ $$/"\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"
  84quiet_cmd_make-rlim = GEN     $@
  85cmd_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)
 111