[Cryptech-Commits] [sw/libhal] 01/02: Collapse RPC_CLIENT and RPC_SERVER makefile settings into a single RPC_MODE setting.

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Tue Jun 14 23:35:08 UTC 2016
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sra at hactrn.net pushed a commit to branch master
in repository sw/libhal.

commit 282617c06a8b5eff135d1cf6f1d6fe148f632c5a
Author: Rob Austein <sra at hactrn.net>
AuthorDate: Tue Jun 14 18:57:06 2016 -0400

    Collapse RPC_CLIENT and RPC_SERVER makefile settings into a single RPC_MODE setting.
---
 GNUmakefile       | 117 ++++++++++++++++++++++++------------------------------
 tests/GNUmakefile |  28 ++++++++-----
 2 files changed, 69 insertions(+), 76 deletions(-)

diff --git a/GNUmakefile b/GNUmakefile
index 04efc1f..b5f1f2b 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -39,32 +39,28 @@ LIB		= libhal.a
 
 # Error checking on known control options, some of which allow the user entirely too much rope.
 
-USAGE := "usage: ${MAKE} [IO_BUS=eim|i2c|fmc] [RPC_CLIENT=none|local|remote|mixed] [RPC_SERVER=no|yes] [KS=volatile|mmap|flash] [RPC_TRANSPORT=none|loopback|serial|daemon] [MODEXP_CORE=no|yes]"
+USAGE := "usage: ${MAKE} [IO_BUS=eim|i2c|fmc] [RPC_MODE=none|server|client-simple|client-mixed] [KS=volatile|mmap|flash] [RPC_TRANSPORT=none|loopback|serial|daemon] [MODEXP_CORE=no|yes]"
 
 IO_BUS		?= eim
-KS		?= mmap
-RPC_CLIENT	?= none
-RPC_SERVER	?= $(if $(filter local,${RPC_CLIENT}),yes,no)
+KS		?= volatile
+RPC_MODE	?= none
 RPC_TRANSPORT	?= daemon
 MODEXP_CORE	?= no
 
 ifeq (,$(and \
-	$(filter	none eim i2c fmc		,${IO_BUS}),\
-	$(filter	none local remote mixed		,${RPC_CLIENT}),\
-	$(filter	no yes				,${RPC_SERVER}),\
-	$(filter	volatile mmap flash		,${KS}),\
-	$(filter	none loopback serial daemon	,${RPC_TRANSPORT}),\
-	$(filter	no yes				,${MODEXP_CORE})))
+	$(filter	none eim i2c fmc			,${IO_BUS}),\
+	$(filter	none server client-simple client-mixed	,${RPC_MODE}),\
+	$(filter	volatile mmap flash			,${KS}),\
+	$(filter	none loopback serial daemon		,${RPC_TRANSPORT}),\
+	$(filter	no yes					,${MODEXP_CORE})))
   $(error ${USAGE})
 endif
 
-ifneq (${RPC_SERVER},$(if $(filter local,${RPC_CLIENT}),yes,no))
-  $(error RPC_SERVER=yes is probably only useful with RPC_CLIENT=local)
-endif
+$(info Building libhal with configuration IO_BUS=${IO_BUS} RPC_MODE=${RPC_MODE} KS=${KS} RPC_TRANSPORT=${RPC_TRANSPORT} MODEXP_CORE=${MODEXP_CORE})
 
 # Whether the RSA code should use the ModExp | ModExpS6 | ModExpA7 core.
 
-ifeq (${MODEXP_CORE},yes)
+ifeq "${MODEXP_CORE}" "yes"
   RSA_USE_MODEXP_CORE := 1
 else
   RSA_USE_MODEXP_CORE := 0
@@ -86,16 +82,16 @@ CORE_OBJ = core.o csprng.o pbkdf2.o aes_keywrap.o modexp.o mkmif.o ${IO_OBJ}
 # I/O bus to the FPGA
 #
 # IO_BUS = none | eim | i2c | fmc
-#  none: no FPGA I/O bus
-#   eim: EIM bus from Novena
-#   i2c: older I2C bus from Novena
-#   fmc: FMC bus from dev-bridge and alpha boards
+#  none:	No FPGA I/O bus
+#   eim:	EIM bus from Novena
+#   i2c:	Older I2C bus from Novena
+#   fmc:	FMC bus from dev-bridge and alpha boards
 
-ifeq (${IO_BUS},eim)
+ifeq "${IO_BUS}" "eim"
   IO_OBJ = hal_io_eim.o novena-eim.o
-else ifeq (${IO_BUS},i2c)
+else ifeq "${IO_BUS}" "i2c"
   IO_OBJ = hal_io_i2c.o
-else ifeq (${IO_BUS},fmc)
+else ifeq "${IO_BUS}" "fmc"
   IO_OBJ = hal_io_fmc.o
 endif
 
@@ -103,7 +99,7 @@ endif
 # hard-to-debug function pointer errors. OTOH, if we're building for Linux
 # (even on the Novena), we want to make it possible to build a shared library.
 
-ifneq (${IO_BUS},fmc)
+ifneq "${IO_BUS}" "fmc"
   CFLAGS += -fPIC
 endif
 
@@ -117,71 +113,67 @@ endif
 
 KS_OBJ = ks.o
 
-ifeq (${KS},mmap)
+ifeq "${KS}" "mmap"
   KS_OBJ += ks_mmap.o
-else ifeq (${KS},volatile)
+else ifeq "${KS}" "volatile"
   KS_OBJ += ks_volatile.o
-else ifeq (${KS},flash)
+else ifeq "${KS}" "flash"
   KS_OBJ += ks_flash.o
 endif
 
-# RPC_CLIENT = none | local | remote | mixed
-#   none: Build without RPC client
-#   local: Build for Novena or dev-bridge, access FPGA cores directly.
-#   remote: Build for other host, communicate with RPC server.
-#   mixed: Do hashing locally in software, other functions remotely.
-#
-# RPC_SERVER = no | yes
+# RPC_MODE = none | server | client-simple | client-mixed
+#   none:		Build without RPC client, use cores directly.
+#   server:		Build for server side of RPC (HSM), use cores directly.
+#   client-simple:	Build for other host, communicate with cores via RPC server.
+#   client-mixed:	Like client-simple but do hashing locally in software and
+#			support a local keystore (for PKCS #11 public keys, etc)
 #
 # RPC_TRANSPORT = loopback | serial | daemon
-#   loopback: communicate over loopback socket on Novena
-#   serial: communicate over USB in serial pass-through mode
-#   daemon: communicate over USB via a daemon, to arbitrate multiple clients
+#   loopback:		Communicate over loopback socket on Novena
+#   serial:		Communicate over USB in serial pass-through mode
+#   daemon:		Communicate over USB via a daemon, to arbitrate multiple clients
 #
-# RPC client locality flags passed here via CFLAGS are tested as
-# integers in the C preprocessor, so the symbols we pass must be
-# defined as macros in the C code, not enum tokens.
+# Note that RPC_MODE setting also controls the RPC_CLIENT setting passed to the C
+# preprocessor via CFLAGS.  Whatever we pass here must evaluate to an integer in
+# the C preprocessor: we can use symbolic names so long as they're defined as macros
+# in the C code, but we can't use things like C enum symbols.
 
-ifneq (${RPC_CLIENT},none)
+ifneq "${RPC_MODE}" "none"
   OBJ += rpc_api.o xdr.o
 endif
 
-ifeq (${RPC_TRANSPORT},serial)
+ifeq "${RPC_TRANSPORT}" "serial"
   OBJ += slip.o
 endif
 
 RPC_CLIENT_OBJ = rpc_client.o
-ifeq (${RPC_TRANSPORT},loopback)
+ifeq "${RPC_TRANSPORT}" "loopback"
   RPC_CLIENT_OBJ += rpc_client_loopback.o
-else ifeq (${RPC_TRANSPORT},serial)
+else ifeq "${RPC_TRANSPORT}" "serial"
   RPC_CLIENT_OBJ += rpc_client_serial.o
-else ifeq (${RPC_TRANSPORT},daemon)
+else ifeq "${RPC_TRANSPORT}" "daemon"
   RPC_CLIENT_OBJ += rpc_client_daemon.o
 endif
 
 RPC_DISPATCH_OBJ = rpc_hash.o rpc_misc.o rpc_pkey.o
 
 RPC_SERVER_OBJ = rpc_server.o
-ifeq (${RPC_TRANSPORT},loopback)
+ifeq "${RPC_TRANSPORT}" "loopback"
   RPC_SERVER_OBJ += rpc_server_loopback.o
-else ifeq (${RPC_TRANSPORT},serial)
+else ifeq "${RPC_TRANSPORT}" "serial"
   RPC_SERVER_OBJ += rpc_server_serial.o
 endif
 
-ifeq (${RPC_SERVER},yes)
-  OBJ += ${RPC_SERVER_OBJ}
-endif
-
-ifeq (${RPC_CLIENT},none)
+ifeq "${RPC_MODE}" "none"
   OBJ += ${CORE_OBJ}
   CFLAGS += -DHAL_RSA_USE_MODEXP=${RSA_USE_MODEXP_CORE}
-else ifeq (${RPC_CLIENT},local)
-  OBJ += ${CORE_OBJ} ${RPC_CLIENT_OBJ} ${RPC_DISPATCH_OBJ}
+else ifeq "${RPC_MODE}" "server"
+  OBJ += ${CORE_OBJ} ${RPC_SERVER_OBJ} ${RPC_CLIENT_OBJ} ${RPC_DISPATCH_OBJ}
   CFLAGS += -DRPC_CLIENT=RPC_CLIENT_LOCAL -DHAL_RSA_USE_MODEXP=${RSA_USE_MODEXP_CORE}
-else ifeq (${RPC_CLIENT},remote)
+else ifeq "${RPC_MODE}" "client-simple"
   OBJ += ${RPC_CLIENT_OBJ}
   CFLAGS += -DRPC_CLIENT=RPC_CLIENT_REMOTE -DHAL_RSA_USE_MODEXP=0
-else ifeq (${RPC_CLIENT},mixed)
+else ifeq "${RPC_MODE}" "client-mixed"
   OBJ += ${RPC_CLIENT_OBJ} ${RPC_DISPATCH_OBJ}
   CFLAGS += -DRPC_CLIENT=RPC_CLIENT_MIXED -DHAL_RSA_USE_MODEXP=0
   KS = volatile
@@ -199,24 +191,17 @@ all: ${LIB}
 	cd tests; ${MAKE} CFLAGS='${CFLAGS} -I..' LDFLAGS='${LDFLAGS}' $@
 	cd utils; ${MAKE} CFLAGS='${CFLAGS} -I..' LDFLAGS='${LDFLAGS}' $@
 
-local:
-	${MAKE} RPC_CLIENT=local RPC_TRANSPORT=none
-
 client:
-	${MAKE} RPC_CLIENT=remote
+	${MAKE} RPC_MODE=client-simple
 
 mixed:
-	${MAKE} RPC_CLIENT=mixed KS=volatile
+	${MAKE} RPC_MODE=client-mixed
 
 server:
-	${MAKE} RPC_SERVER=yes
-
-loopback:
-	${MAKE} RPC_CLIENT=remote RPC_SERVER=yes RPC_TRANSPORT=loopback
+	${MAKE} RPC_MODE=server
 
 daemon: cryptech_rpcd
-#	${MAKE} RPC_CLIENT=mixed RPC_TRANSPORT=daemon
-	${MAKE} RPC_CLIENT=remote RPC_TRANSPORT=daemon
+	${MAKE} RPC_MODE=client-mixed RPC_TRANSPORT=daemon
 
 cryptech_rpcd: daemon.o slip.o rpc_serial.o xdr.o
 	${CC} ${CFLAGS} -o $@ $^ ${LDFLAGS}
@@ -236,7 +221,7 @@ last_gasp_pin_internal.h:
 	./utils/last_gasp_default_pin >$@
 
 test: all
-	export RPC_CLIENT RPC_SERVER
+	export RPC_MODE
 	cd tests; ${MAKE} -k $@
 
 clean:
diff --git a/tests/GNUmakefile b/tests/GNUmakefile
index 5e2b3ea..f4299a0 100644
--- a/tests/GNUmakefile
+++ b/tests/GNUmakefile
@@ -32,16 +32,24 @@ LIB	= ../libhal.a
 
 # Which tests to build depends on how the library was compiled.
 
-ifeq (${RPC_SERVER},yes)
-  BIN += test-rpc_server
-endif
+CORE_TESTS	= test-aes-key-wrap test-hash test-pbkdf2 test-ecdsa test-bus test-trng test-rsa test-mkmif
+SERVER_TESTS	= test-rpc_server
+CLIENT_TESTS	= test-rpc_hash test-rpc_pkey test-rpc_get_version test-rpc_get_random
 
-ifeq (${RPC_CLIENT},none)
-  BIN += test-aes-key-wrap test-hash test-pbkdf2 test-ecdsa test-bus test-trng test-rsa
-endif
+ALL_TESTS	= ${CORE_TESTS} ${SERVER_TESTS} ${CLIENT_TESTS}
+
+ifeq "${RPC_MODE}" "none"
+
+  BIN += ${CORE_TESTS}
+
+else ifeq "${RPC_MODE}" "server"
+
+  BIN += ${CORE_TESTS} ${SERVER_TESTS}
+
+else
+
+  BIN += ${CLIENT_TESTS}
 
-ifeq (${RPC_CLIENT},local)
-  BIN += test-rpc_hash test-rpc_pkey test-rpc_get_version test-rpc_get_random
 endif
 
 CFLAGS	= -g3 -Wall -fPIC -std=c99 -I..
@@ -51,8 +59,8 @@ all: ${BIN}
 test: all
 	for i in ${BIN}; do (set -x; ./$$i); done
 
-clean:
-	rm -f *.o ${BIN}
+clean distclean:
+	rm -f *.o ${ALL_TESTS}
 
 ${BIN}: %: %.o ${LIB}
 	${CC} ${CFLAGS} -o $@ $^ ${LDFLAGS}
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