HS 2.0R2: Add example OSU SPP server implementation

This is meant mainly for testing purposes and as a reference
implementation showing how OSU SPP server could be implemented. This is
not suitable for any real production use in its current form.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

hs20/server/Makefile

@@ -0,0 +1,45 @@
+all: hs20_spp_server
+
+ifndef CC
+CC=gcc
+endif
+
+ifndef LDO
+LDO=$(CC)
+endif
+
+ifndef CFLAGS
+CFLAGS = -MMD -O2 -Wall -g
+endif
+
+CFLAGS += -I../../src/utils
+CFLAGS += -I../../src/crypto
+
+LIBS += -lsqlite3
+
+# Using glibc < 2.17 requires -lrt for clock_gettime()
+LIBS += -lrt
+
+OBJS=spp_server.o
+OBJS += hs20_spp_server.o
+OBJS += ../../src/utils/xml-utils.o
+OBJS += ../../src/utils/base64.o
+OBJS += ../../src/utils/common.o
+OBJS += ../../src/utils/os_unix.o
+OBJS += ../../src/utils/wpa_debug.o
+OBJS += ../../src/crypto/md5-internal.o
+CFLAGS += $(shell xml2-config --cflags)
+LIBS += $(shell xml2-config --libs)
+OBJS += ../../src/utils/xml_libxml2.o
+
+hs20_spp_server: $(OBJS)
+	$(LDO) $(LDFLAGS) -o hs20_spp_server $(OBJS) $(LIBS)
+
+clean:
+	rm -f core *~ *.o *.d hs20_spp_server
+	rm -f ../../src/utils/*.o
+	rm -f ../../src/utils/*.d
+	rm -f ../../src/crypto/*.o
+	rm -f ../../src/crypto/*.d
+
+-include $(OBJS:%.o=%.d)