test: rpc: run test as a non-root user

It is nice to have non-root user case covered with tests.
Signed-off-by: Ruslan Kuprieiev <kupruser@gmail.com>
Reported-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

test/rpc/Makefile

-all: test-c rpc_pb2.py
+all: test-c rpc_pb2.py criu
 .PHONY: all
 
 run: all
 	mkdir -p build
-	./run.sh
+	chmod a+rwx build
+	sudo -g '#1000' -u '#1000' ./run.sh
+
+criu:
+	cp ../../criu $@
+	chmod u+s $@
 
 test-c: rpc.pb-c.o test.o
 	gcc $^ -o $@ -lprotobuf-c
@@ -18,5 +23,5 @@ rpc.pb-c.c: rpc.proto
 	protoc-c --proto_path=. --c_out=. rpc.proto
 
 clean:
-	rm -rf build rpc.pb-c.o test.o test-c rpc.pb-c.c rpc.pb-c.h rpc_pb2.py rpc_pb2.pyc
+	rm -rf build rpc.pb-c.o test.o test-c rpc.pb-c.c rpc.pb-c.h rpc_pb2.py rpc_pb2.pyc criu
 .PHONY: clean

test/rpc/run.sh

@@ -2,7 +2,7 @@
 
 set -e
 
-source ../env.sh || exit 1
+CRIU=./criu
 
 export PROTODIR=`readlink -f "${PWD}/../../protobuf"`