tests: Add ap-mgmt-fuzzer

This program can be used to run fuzzing tests for areas related to AP
management frame parsing and processing.

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

src/ap/Makefile

@@ -1,8 +1,67 @@
-all:
+all: libap.a
-	@echo Nothing to be made.
 
 clean:
-	rm -f *~ *.o *.d *.gcno *.gcda *.gcov
+	rm -f *~ *.o *.d *.gcno *.gcda *.gcov libap.a
 
 install:
 	@echo Nothing to be made.
+
+include ../lib.rules
+
+CFLAGS += -DHOSTAPD
+CFLAGS += -DNEED_AP_MLME
+CFLAGS += -DCONFIG_HS20
+CFLAGS += -DCONFIG_INTERWORKING
+CFLAGS += -DCONFIG_IEEE80211R
+CFLAGS += -DCONFIG_IEEE80211W
+CFLAGS += -DCONFIG_WPS
+CFLAGS += -DCONFIG_PROXYARP
+CFLAGS += -DCONFIG_IAPP
+
+LIB_OBJS= \
+	accounting.o \
+	ap_config.o \
+	ap_drv_ops.o \
+	ap_list.o \
+	ap_mlme.o \
+	authsrv.o \
+	beacon.o \
+	bss_load.o \
+	ctrl_iface_ap.o \
+	dfs.o \
+	dhcp_snoop.o \
+	drv_callbacks.o \
+	eap_user_db.o \
+	gas_serv.o \
+	hostapd.o \
+	hs20.o \
+	hw_features.o \
+	iapp.o \
+	ieee802_11_auth.o \
+	ieee802_11.o \
+	ieee802_11_ht.o \
+	ieee802_11_shared.o \
+	ieee802_11_vht.o \
+	ieee802_1x.o \
+	ndisc_snoop.o \
+	p2p_hostapd.o \
+	peerkey_auth.o \
+	pmksa_cache_auth.o \
+	preauth_auth.o \
+	sta_info.o \
+	tkip_countermeasures.o \
+	utils.o \
+	vlan_init.o \
+	wmm.o \
+	wnm_ap.o \
+	wpa_auth.o \
+	wpa_auth_ft.o \
+	wpa_auth_glue.o \
+	wpa_auth_ie.o \
+	wps_hostapd.o \
+	x_snoop.o
+
+libap.a: $(LIB_OBJS)
+	$(AR) crT $@ $?
+
+-include $(OBJS:%.o=%.d)

src/ap/ieee802_11.h

@@ -14,6 +14,7 @@ struct hostapd_data;
 struct sta_info;
 struct hostapd_frame_info;
 struct ieee80211_ht_capabilities;
+struct ieee80211_vht_capabilities;
 struct ieee80211_mgmt;
 
 int ieee802_11_mgmt(struct hostapd_data *hapd, const u8 *buf, size_t len,

src/eap_server/Makefile

@@ -1,8 +1,21 @@
-all:
+all: libeap_server.a
-	@echo Nothing to be made.
 
 clean:
-	rm -f *~ *.o *.d *.gcno *.gcda *.gcov
+	rm -f *~ *.o *.d *.gcno *.gcda *.gcov libeap_server.a
 
 install:
 	@echo Nothing to be made.
+
+include ../lib.rules
+
+CFLAGS += -DCONFIG_HS20
+
+LIB_OBJS= \
+	eap_server.o \
+	eap_server_identity.o \
+	eap_server_methods.o
+
+libeap_server.a: $(LIB_OBJS)
+	$(AR) crT $@ $?
+
+-include $(OBJS:%.o=%.d)

src/eapol_auth/Makefile

@@ -1,8 +1,16 @@
-all:
+all: libeapol_auth.a
-	@echo Nothing to be made.
 
 clean:
-	rm -f *~ *.o *.d *.gcno *.gcda *.gcov
+	rm -f *~ *.o *.d *.gcno *.gcda *.gcov libeapol_auth.a
 
 install:
 	@echo Nothing to be made.
+
+include ../lib.rules
+
+LIB_OBJS = eapol_auth_sm.o eapol_auth_dump.o
+
+libeapol_auth.a: $(LIB_OBJS)
+	$(AR) crT $@ $?
+
+-include $(OBJS:%.o=%.d)

src/radius/Makefile

@@ -14,6 +14,7 @@ CFLAGS += -DCONFIG_IPV6
 LIB_OBJS= \
 	radius.o \
 	radius_client.o \
+	radius_das.o \
 	radius_server.o
 
 libradius.a: $(LIB_OBJS)

tests/ap-mgmt-fuzzer/Makefile

@@ -0,0 +1,81 @@
+all: ap-mgmt-fuzzer
+
+ifndef CC
+CC=gcc
+endif
+
+ifndef LDO
+LDO=$(CC)
+endif
+
+ifndef CFLAGS
+CFLAGS = -MMD -O2 -Wall -g
+endif
+
+SRC=../../src
+
+CFLAGS += -I$(SRC)
+CFLAGS += -I$(SRC)/utils
+CFLAGS += -DCONFIG_WNM
+CFLAGS += -DCONFIG_INTERWORKING
+CFLAGS += -DCONFIG_GAS
+CFLAGS += -DCONFIG_HS20
+CFLAGS += -DIEEE8021X_EAPOL
+CFLAGS += -DNEED_AP_MLME
+
+$(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)/wps/libwps.a:
+	$(MAKE) -C $(SRC)/wps
+
+$(SRC)/eap_common/libeap_common.a:
+	$(MAKE) -C $(SRC)/eap_common
+
+$(SRC)/eap_server/libeap_server.a:
+	$(MAKE) -C $(SRC)/eap_server
+
+$(SRC)/l2_packet/libl2_packet.a:
+	$(MAKE) -C $(SRC)/l2_packet
+
+$(SRC)/eapol_auth/libeapol_auth.a:
+	$(MAKE) -C $(SRC)/eapol_auth
+
+$(SRC)/ap/libap.a:
+	$(MAKE) -C $(SRC)/ap
+
+$(SRC)/radius/libradius.a:
+	$(MAKE) -C $(SRC)/radius
+
+LIBS += $(SRC)/common/libcommon.a
+LIBS += $(SRC)/crypto/libcrypto.a
+LIBS += $(SRC)/tls/libtls.a
+LIBS += $(SRC)/wps/libwps.a
+LIBS += $(SRC)/eap_server/libeap_server.a
+LIBS += $(SRC)/eap_common/libeap_common.a
+LIBS += $(SRC)/l2_packet/libl2_packet.a
+LIBS += $(SRC)/ap/libap.a
+LIBS += $(SRC)/eapol_auth/libeapol_auth.a
+LIBS += $(SRC)/radius/libradius.a
+LIBS += $(SRC)/utils/libutils.a
+
+ELIBS += $(SRC)/crypto/libcrypto.a
+ELIBS += $(SRC)/tls/libtls.a
+
+ap-mgmt-fuzzer: ap-mgmt-fuzzer.o $(OBJS) $(LIBS)
+	$(LDO) $(LDFLAGS) -o $@ $^ $(LIBS) $(ELIBS)
+
+clean:
+	$(MAKE) -C $(SRC) clean
+	rm -f ap-mgmt-fuzzer *~ *.o *.d
+
+-include $(OBJS:%.o=%.d)

tests/ap-mgmt-fuzzer/ap-mgmt-fuzzer.c

@@ -0,0 +1,116 @@
+/*
+ * hostapd - Management frame 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 "ap/hostapd.h"
+#include "ap/ieee802_11.h"
+
+
+struct wpa_driver_ops *wpa_drivers[] =
+{
+	NULL
+};
+
+
+struct arg_ctx {
+	const char *fname;
+	struct hostapd_iface iface;
+	struct hostapd_data hapd;
+	struct wpa_driver_ops driver;
+	struct hostapd_config iconf;
+	struct hostapd_bss_config conf;
+};
+
+
+static void test_send_mgmt(void *eloop_data, void *user_ctx)
+{
+	struct arg_ctx *ctx = eloop_data;
+	char *data;
+	size_t len;
+	struct hostapd_frame_info fi;
+
+	wpa_printf(MSG_INFO, "ap-mgmt-fuzzer: Send '%s'", ctx->fname);
+
+	data = os_readfile(ctx->fname, &len);
+	if (!data) {
+		wpa_printf(MSG_ERROR, "Could not read '%s'", ctx->fname);
+		goto out;
+	}
+
+	wpa_hexdump(MSG_MSGDUMP, "fuzzer - WNM", data, len);
+
+	os_memset(&fi, 0, sizeof(fi));
+	ieee802_11_mgmt(&ctx->hapd, (u8 *) data, len, &fi);
+
+out:
+	os_free(data);
+	eloop_terminate();
+}
+
+
+static int init_hapd(struct arg_ctx *ctx)
+{
+	struct hostapd_data *hapd = &ctx->hapd;
+
+	hapd->driver = &ctx->driver;
+	os_memcpy(hapd->own_addr, "\x02\x00\x00\x00\x03\x00", ETH_ALEN);
+	hapd->iface = &ctx->iface;
+	hapd->iface->conf = hostapd_config_defaults();;
+	if (!hapd->iface->conf)
+		return -1;
+	hapd->iconf = hapd->iface->conf;
+	hapd->conf = hapd->iconf->bss[0];
+	hostapd_config_defaults_bss(hapd->conf);
+
+	return 0;
+}
+
+
+int main(int argc, char *argv[])
+{
+	struct arg_ctx ctx;
+	int ret = -1;
+
+	if (argc < 2) {
+		printf("usage: %s <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;
+	}
+
+	os_memset(&ctx, 0, sizeof(ctx));
+	ctx.fname = argv[1];
+	if (init_hapd(&ctx))
+		goto fail;
+
+	eloop_register_timeout(0, 0, test_send_mgmt, &ctx, NULL);
+
+	wpa_printf(MSG_DEBUG, "Starting eloop");
+	eloop_run();
+	wpa_printf(MSG_DEBUG, "eloop done");
+
+	ret = 0;
+fail:
+	hostapd_config_free(ctx.hapd.iconf);
+	eloop_destroy();
+	os_program_deinit();
+
+	return ret;
+}