56974a6fcf
version 2 - Force an abi break. Network mediation will only be
available in v8 abi complaint policy.
Provide a basic mediation of sockets. This is not a full net mediation
but just whether a spcific family of socket can be used by an
application, along with setting up some basic infrastructure for
network mediation to follow.
the user space rule hav the basic form of
NETWORK RULE = [ QUALIFIERS ] 'network' [ DOMAIN ]
[ TYPE | PROTOCOL ]
DOMAIN = ( 'inet' | 'ax25' | 'ipx' | 'appletalk' | 'netrom' |
'bridge' | 'atmpvc' | 'x25' | 'inet6' | 'rose' |
'netbeui' | 'security' | 'key' | 'packet' | 'ash' |
'econet' | 'atmsvc' | 'sna' | 'irda' | 'pppox' |
'wanpipe' | 'bluetooth' | 'netlink' | 'unix' | 'rds' |
'llc' | 'can' | 'tipc' | 'iucv' | 'rxrpc' | 'isdn' |
'phonet' | 'ieee802154' | 'caif' | 'alg' | 'nfc' |
'vsock' | 'mpls' | 'ib' | 'kcm' ) ','
TYPE = ( 'stream' | 'dgram' | 'seqpacket' | 'rdm' | 'raw' |
'packet' )
PROTOCOL = ( 'tcp' | 'udp' | 'icmp' )
eg.
network,
network inet,
Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: Seth Arnold <seth.arnold@canonical.com>
110 lines
4.1 KiB
Makefile
110 lines
4.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Makefile for AppArmor Linux Security Module
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#
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obj-$(CONFIG_SECURITY_APPARMOR) += apparmor.o
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apparmor-y := apparmorfs.o audit.o capability.o task.o ipc.o lib.o match.o \
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path.o domain.o policy.o policy_unpack.o procattr.o lsm.o \
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resource.o secid.o file.o policy_ns.o label.o mount.o net.o
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apparmor-$(CONFIG_SECURITY_APPARMOR_HASH) += crypto.o
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clean-files := capability_names.h rlim_names.h net_names.h
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# Build a lower case string table of address family names
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# Transform lines from
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# #define AF_LOCAL 1 /* POSIX name for AF_UNIX */
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# #define AF_INET 2 /* Internet IP Protocol */
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# to
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# [1] = "local",
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# [2] = "inet",
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#
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# and build the securityfs entries for the mapping.
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# Transforms lines from
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# #define AF_INET 2 /* Internet IP Protocol */
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# to
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# #define AA_SFS_AF_MASK "local inet"
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quiet_cmd_make-af = GEN $@
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cmd_make-af = echo "static const char *address_family_names[] = {" > $@ ;\
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sed $< >>$@ -r -n -e "/AF_MAX/d" -e "/AF_LOCAL/d" -e "/AF_ROUTE/d" -e \
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's/^\#define[ \t]+AF_([A-Z0-9_]+)[ \t]+([0-9]+)(.*)/[\2] = "\L\1",/p';\
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echo "};" >> $@ ;\
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printf '%s' '\#define AA_SFS_AF_MASK "' >> $@ ;\
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sed -r -n -e "/AF_MAX/d" -e "/AF_LOCAL/d" -e "/AF_ROUTE/d" -e \
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's/^\#define[ \t]+AF_([A-Z0-9_]+)[ \t]+([0-9]+)(.*)/\L\1/p'\
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$< | tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
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# Build a lower case string table of sock type names
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# Transform lines from
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# SOCK_STREAM = 1,
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# to
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# [1] = "stream",
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quiet_cmd_make-sock = GEN $@
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cmd_make-sock = echo "static const char *sock_type_names[] = {" >> $@ ;\
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sed $^ >>$@ -r -n \
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-e 's/^\tSOCK_([A-Z0-9_]+)[\t]+=[ \t]+([0-9]+)(.*)/[\2] = "\L\1",/p';\
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echo "};" >> $@
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# Build a lower case string table of capability names
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# Transforms lines from
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# #define CAP_DAC_OVERRIDE 1
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# to
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# [1] = "dac_override",
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quiet_cmd_make-caps = GEN $@
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cmd_make-caps = echo "static const char *const capability_names[] = {" > $@ ;\
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sed $< >>$@ -r -n -e '/CAP_FS_MASK/d' \
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-e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/[\2] = "\L\1",/p';\
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echo "};" >> $@ ;\
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printf '%s' '\#define AA_SFS_CAPS_MASK "' >> $@ ;\
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sed $< -r -n -e '/CAP_FS_MASK/d' \
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-e 's/^\#define[ \t]+CAP_([A-Z0-9_]+)[ \t]+([0-9]+)/\L\1/p' | \
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tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
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# Build a lower case string table of rlimit names.
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# Transforms lines from
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# #define RLIMIT_STACK 3 /* max stack size */
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# to
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# [RLIMIT_STACK] = "stack",
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#
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# and build a second integer table (with the second sed cmd), that maps
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# RLIMIT defines to the order defined in asm-generic/resource.h This is
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# required by policy load to map policy ordering of RLIMITs to internal
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# ordering for architectures that redefine an RLIMIT.
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# Transforms lines from
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# #define RLIMIT_STACK 3 /* max stack size */
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# to
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# RLIMIT_STACK,
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#
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# and build the securityfs entries for the mapping.
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# Transforms lines from
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# #define RLIMIT_FSIZE 1 /* Maximum filesize */
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# #define RLIMIT_STACK 3 /* max stack size */
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# to
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# #define AA_SFS_RLIMIT_MASK "fsize stack"
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quiet_cmd_make-rlim = GEN $@
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cmd_make-rlim = echo "static const char *const rlim_names[RLIM_NLIMITS] = {" \
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> $@ ;\
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sed $< >> $@ -r -n \
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-e 's/^\# ?define[ \t]+(RLIMIT_([A-Z0-9_]+)).*/[\1] = "\L\2",/p';\
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echo "};" >> $@ ;\
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echo "static const int rlim_map[RLIM_NLIMITS] = {" >> $@ ;\
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sed -r -n "s/^\# ?define[ \t]+(RLIMIT_[A-Z0-9_]+).*/\1,/p" $< >> $@ ;\
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echo "};" >> $@ ; \
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printf '%s' '\#define AA_SFS_RLIMIT_MASK "' >> $@ ;\
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sed -r -n 's/^\# ?define[ \t]+RLIMIT_([A-Z0-9_]+).*/\L\1/p' $< | \
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tr '\n' ' ' | sed -e 's/ $$/"\n/' >> $@
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$(obj)/capability.o : $(obj)/capability_names.h
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$(obj)/net.o : $(obj)/net_names.h
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$(obj)/resource.o : $(obj)/rlim_names.h
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$(obj)/capability_names.h : $(srctree)/include/uapi/linux/capability.h \
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$(src)/Makefile
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$(call cmd,make-caps)
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$(obj)/rlim_names.h : $(srctree)/include/uapi/asm-generic/resource.h \
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$(src)/Makefile
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$(call cmd,make-rlim)
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$(obj)/net_names.h : $(srctree)/include/linux/socket.h \
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$(srctree)/include/linux/net.h \
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$(src)/Makefile
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$(call cmd,make-af)
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$(call cmd,make-sock)
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