tests: Add p2p-fuzzer

This program can be used to run fuzzing tests for areas related to P2P
message parsing and processing. p2p-fuzzer allows data files to be used
to inject Probe Response and Action frames for processing by the P2P
module.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/common/Makefile

@@ -1,8 +1,28 @@
-all:
-	@echo Nothing to be made.
+all: libcommon.a
 
 clean:
-	rm -f *~ *.o *.d *.gcno *.gcda *.gcov
+	rm -f *~ *.o *.d *.gcno *.gcda *.gcov libcommon.a
 
 install:
 	@echo Nothing to be made.
+
+include ../lib.rules
+
+CFLAGS += -DCONFIG_IEEE80211R
+CFLAGS += -DCONFIG_IEEE80211W
+CFLAGS += -DCONFIG_HS20
+CFLAGS += -DCONFIG_SAE
+CFLAGS += -DCONFIG_SUITE
+CFLAGS += -DCONFIG_SUITEB
+
+LIB_OBJS= \
+	gas.o \
+	hw_features_common.o \
+	ieee802_11_common.o \
+	sae.o \
+	wpa_common.o
+
+libcommon.a: $(LIB_OBJS)
+	$(AR) crT $@ $?
+
+-include $(OBJS:%.o=%.d)

src/p2p/Makefile

@@ -1,8 +1,29 @@
-all:
-	@echo Nothing to be made.
+all: libp2p.a
 
 clean:
-	rm -f *~ *.o *.d *.gcno *.gcda *.gcov
+	rm -f *~ *.o *.d *.gcno *.gcda *.gcov libp2p.a
 
 install:
 	@echo Nothing to be made.
+
+include ../lib.rules
+
+CFLAGS += -DCONFIG_WIFI_DISPLAY
+CFLAGS += -DCONFIG_WPS_NFC
+
+LIB_OBJS= \
+	p2p_build.o \
+	p2p.o \
+	p2p_dev_disc.o \
+	p2p_go_neg.o \
+	p2p_group.o \
+	p2p_invitation.o \
+	p2p_parse.o \
+	p2p_pd.o \
+	p2p_sd.o \
+	p2p_utils.o
+
+libp2p.a: $(LIB_OBJS)
+	$(AR) crT $@ $?
+
+-include $(OBJS:%.o=%.d)

src/wps/Makefile

@@ -1,8 +1,41 @@
-all:
-	@echo Nothing to be made.
+all: libwps.a
 
 clean:
-	rm -f *~ *.o *.d *.gcno *.gcda *.gcov
+	rm -f *~ *.o *.d *.gcno *.gcda *.gcov libwps.a
 
 install:
 	@echo Nothing to be made.
+
+include ../lib.rules
+
+CFLAGS += -DCONFIG_P2P
+CFLAGS += -DCONFIG_WPS_OOB
+CFLAGS += -DCONFIG_WPS_NFC
+
+LIB_OBJS= \
+	http_client.o \
+	httpread.o \
+	http_server.o \
+	ndef.o \
+	upnp_xml.o \
+	wps_attr_build.o \
+	wps_attr_parse.o \
+	wps_attr_process.o \
+	wps.o \
+	wps_common.o \
+	wps_dev_attr.o \
+	wps_enrollee.o \
+	wps_er.o \
+	wps_er_ssdp.o \
+	wps_module_tests.o \
+	wps_registrar.o \
+	wps_upnp_ap.o \
+	wps_upnp.o \
+	wps_upnp_event.o \
+	wps_upnp_ssdp.o \
+	wps_upnp_web.o
+
+libwps.a: $(LIB_OBJS)
+	$(AR) crT $@ $?
+
+-include $(OBJS:%.o=%.d)

tests/p2p-fuzzer/Makefile

@@ -0,0 +1,51 @@
+all: p2p-fuzzer
+
+ifndef CC
+CC=gcc
+endif
+
+ifndef LDO
+LDO=$(CC)
+endif
+
+ifndef CFLAGS
+CFLAGS = -MMD -O2 -Wall -g
+endif
+
+SRC=../../src
+
+CFLAGS += -I$(SRC)
+
+$(SRC)/utils/libutils.a:
+	$(MAKE) -C $(SRC)/utils
+
+$(SRC)/common/libcommon.a:
+	$(MAKE) -C $(SRC)/common
+
+$(SRC)/crypto/libcrypto.a:
+	$(MAKE) -C $(SRC)/crypto
+
+$(SRC)/tls/libtls.a:
+	$(MAKE) -C $(SRC)/tls
+
+$(SRC)/p2p/libp2p.a:
+	$(MAKE) -C $(SRC)/p2p
+
+$(SRC)/wps/libwps.a:
+	$(MAKE) -C $(SRC)/wps
+
+LIBS += $(SRC)/utils/libutils.a
+LIBS += $(SRC)/common/libcommon.a
+LIBS += $(SRC)/crypto/libcrypto.a
+LIBS += $(SRC)/p2p/libp2p.a
+LIBS += $(SRC)/tls/libtls.a
+LIBS += $(SRC)/wps/libwps.a
+
+p2p-fuzzer: p2p-fuzzer.o $(LIBS)
+	$(LDO) $(LDFLAGS) -o $@ $^ $(LIBS)
+
+clean:
+	$(MAKE) -C $(SRC) clean
+	rm -f p2p-fuzzer *~ *.o *.d
+
+-include $(OBJS:%.o=%.d)

tests/p2p-fuzzer/p2p-fuzzer.c

@@ -0,0 +1,213 @@
+/*
+ * wpa_supplicant - P2P fuzzer
+ * Copyright (c) 2015, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "utils/includes.h"
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "p2p/p2p.h"
+
+
+static void debug_print(void *ctx, int level, const char *msg)
+{
+	wpa_printf(level, "P2P: %s", msg);
+}
+
+
+static void find_stopped(void *ctx)
+{
+}
+
+
+static int start_listen(void *ctx, unsigned int freq,
+			unsigned int duration,
+			const struct wpabuf *probe_resp_ie)
+{
+	return 0;
+}
+
+
+static void stop_listen(void *ctx)
+{
+}
+
+
+static void dev_found(void *ctx, const u8 *addr,
+		      const struct p2p_peer_info *info,
+		      int new_device)
+{
+}
+
+
+static void dev_lost(void *ctx, const u8 *dev_addr)
+{
+}
+
+
+static int send_action(void *ctx, unsigned int freq, const u8 *dst,
+		       const u8 *src, const u8 *bssid, const u8 *buf,
+		       size_t len, unsigned int wait_time)
+{
+	return 0;
+}
+
+
+static void send_action_done(void *ctx)
+{
+}
+
+
+static void go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id)
+{
+}
+
+
+static struct p2p_data * init_p2p(void)
+{
+	struct p2p_config p2p;
+
+	os_memset(&p2p, 0, sizeof(p2p));
+	p2p.max_peers = 100;
+	p2p.passphrase_len = 8;
+	p2p.channels.reg_classes = 1;
+	p2p.channels.reg_class[0].reg_class = 81;
+	p2p.channels.reg_class[0].channel[0] = 1;
+	p2p.channels.reg_class[0].channel[1] = 2;
+	p2p.channels.reg_class[0].channels = 2;
+	p2p.debug_print = debug_print;
+	p2p.find_stopped = find_stopped;
+	p2p.start_listen = start_listen;
+	p2p.stop_listen = stop_listen;
+	p2p.dev_found = dev_found;
+	p2p.dev_lost = dev_lost;
+	p2p.send_action = send_action;
+	p2p.send_action_done = send_action_done;
+	p2p.go_neg_req_rx = go_neg_req_rx;
+
+	return p2p_init(&p2p);
+}
+
+
+struct arg_ctx {
+	struct p2p_data *p2p;
+	const char *fname;
+};
+
+
+static void test_send_proberesp(void *eloop_data, void *user_ctx)
+{
+	struct arg_ctx *ctx = eloop_data;
+	char *data;
+	size_t len;
+	struct os_reltime rx_time;
+
+	wpa_printf(MSG_INFO, "p2p-fuzzer: Send proberesp '%s'", ctx->fname);
+
+	data = os_readfile(ctx->fname, &len);
+	if (!data) {
+		wpa_printf(MSG_ERROR, "Could not read '%s'", ctx->fname);
+		return;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "fuzzer - IEs", data, len);
+
+	os_memset(&rx_time, 0, sizeof(rx_time));
+	p2p_scan_res_handler(ctx->p2p, (u8 *) "\x02\x00\x00\x00\x01\x00", 2412,
+			     &rx_time, 0, (u8 *) data, len);
+	p2p_scan_res_handled(ctx->p2p);
+
+	os_free(data);
+	eloop_terminate();
+}
+
+
+static void test_send_action(void *eloop_data, void *user_ctx)
+{
+	struct arg_ctx *ctx = eloop_data;
+	char *data;
+	size_t len;
+	struct os_reltime rx_time;
+	struct ieee80211_mgmt *mgmt;
+
+	wpa_printf(MSG_INFO, "p2p-fuzzer: Send action '%s'", ctx->fname);
+
+	data = os_readfile(ctx->fname, &len);
+	if (!data) {
+		wpa_printf(MSG_ERROR, "Could not read '%s'", ctx->fname);
+		return;
+	}
+	if (len < IEEE80211_HDRLEN + 1)
+		goto out;
+
+	wpa_hexdump(MSG_MSGDUMP, "fuzzer - action", data, len);
+
+	mgmt = (struct ieee80211_mgmt *) data;
+	os_memset(&rx_time, 0, sizeof(rx_time));
+	p2p_rx_action(ctx->p2p, mgmt->da, mgmt->sa, mgmt->bssid,
+		      mgmt->u.action.category,
+		      (u8 *) data + IEEE80211_HDRLEN + 1,
+		      len - IEEE80211_HDRLEN - 1, 2412);
+
+out:
+	os_free(data);
+	eloop_terminate();
+}
+
+
+int main(int argc, char *argv[])
+{
+	struct p2p_data *p2p;
+	struct arg_ctx ctx;
+
+	/* TODO: probreq and wpas_p2p_probe_req_rx() */
+
+	if (argc < 3) {
+		printf("usage: %s <proberesp|action> <file>\n", argv[0]);
+		return -1;
+	}
+
+	if (os_program_init())
+		return -1;
+
+	wpa_debug_level = 0;
+	wpa_debug_show_keys = 1;
+
+	if (eloop_init()) {
+		wpa_printf(MSG_ERROR, "Failed to initialize event loop");
+		return -1;
+	}
+
+	p2p = init_p2p();
+	if (!p2p) {
+		wpa_printf(MSG_ERROR, "P2P init failed");
+		return -1;
+	}
+
+	ctx.p2p = p2p;
+	ctx.fname = argv[2];
+
+	if (os_strcmp(argv[1], "proberesp") == 0) {
+		eloop_register_timeout(0, 0, test_send_proberesp, &ctx, NULL);
+	} else if (os_strcmp(argv[1], "action") == 0) {
+		eloop_register_timeout(0, 0, test_send_action, &ctx, NULL);
+	} else {
+		wpa_printf(MSG_ERROR, "Unsupported test type '%s'", argv[1]);
+		return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "Starting eloop");
+	eloop_run();
+	wpa_printf(MSG_DEBUG, "eloop done");
+
+	p2p_deinit(p2p);
+	eloop_destroy();
+	os_program_deinit();
+
+	return 0;
+}