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tests: Add a unit test for RNR/basic ML element parsing

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Going through everything to test parsing of the basic ML element and the
RNR element is not really feasible for MBSSID mode. As such, add a unit
test to excercise parsing the available links from the RNR, basic ML
element and MBSSID-Index element if present.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
This commit is contained in:
Andrei Otcheretianski 2023-11-28 03:50:07 +02:00 committed by Jouni Malinen
parent a7fdd58039
commit d5ef16e987
2 changed files with 156 additions and 1 deletions
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61
tests/Makefile
View file

@ -2,7 +2,8 @@ ALL=test-base64 test-md4 test-milenage \
test-rsa-sig-ver \
test-sha1 \
test-https test-https_server \
test-sha256 test-aes test-x509v3 test-list test-rc4
test-sha256 test-aes test-x509v3 test-list test-rc4 \
test-bss
include ../src/build.rules
@ -82,6 +83,63 @@ test-x509v3: $(call BUILDOBJ,test-x509v3.o) $(LIBS)
$(LDO) $(LDFLAGS) -o $@ $< $(LLIBS)
# We could cut this down more by enabling fewer options (above)
ELIBS += $(SRC)/crypto/libcrypto.a
ELIBS += $(SRC)/tls/libtls.a
WPAS_SRC=../wpa_supplicant
SRC=../src
WPA_LIBS = $(SRC)/common/libcommon.a
CFLAGS += -I$(SRC) -I$(SRC)/utils -I$(WPAS_SRC)
CFLAGS += -DCONFIG_DRIVER_NONE
CFLAGS += -DIEEE8021X_EAPOL
WPA_OBJS = $(WPAS_SRC)/bssid_ignore.o
WPA_OBJS += $(WPAS_SRC)/bss.o
WPA_OBJS += $(WPAS_SRC)/config.o
WPA_OBJS += $(WPAS_SRC)/config_file.o
WPA_OBJS += $(WPAS_SRC)/eap_register.o
WPA_OBJS += $(WPAS_SRC)/events.o
WPA_OBJS += $(WPAS_SRC)/notify.o
WPA_OBJS += $(WPAS_SRC)/offchannel.o
WPA_OBJS += $(WPAS_SRC)/op_classes.o
WPA_OBJS += $(WPAS_SRC)/robust_av.o
WPA_OBJS += $(WPAS_SRC)/rrm.o
WPA_OBJS += $(WPAS_SRC)/scan.o
WPA_OBJS += $(WPAS_SRC)/wmm_ac.o
WPA_OBJS += $(WPAS_SRC)/wpa_supplicant.o
WPA_OBJS += $(WPAS_SRC)/wpas_glue.o
WPA_OBJS += $(SRC)/rsn_supp/wpa.o
WPA_OBJS += $(SRC)/rsn_supp/wpa_ft.o
WPA_OBJS += $(SRC)/rsn_supp/wpa_ie.o
WPA_OBJS += $(SRC)/rsn_supp/tdls.o
WPA_OBJS += $(SRC)/rsn_supp/preauth.o
WPA_OBJS += $(SRC)/rsn_supp/pmksa_cache.o
WPA_OBJS += $(SRC)/eapol_supp/eapol_supp_sm.o
WPA_OBJS += $(SRC)/eap_common/eap_common.o
WPA_OBJS += $(SRC)/eap_peer/eap.o
WPA_OBJS += $(SRC)/eap_peer/eap_methods.o
WPA_OBJS += $(SRC)/drivers/driver_common.o
WPA_OBJS += $(SRC)/drivers/driver_none.o
WPA_OBJS += $(SRC)/drivers/drivers.o
WPA_OBJS += $(SRC)/l2_packet/l2_packet_none.o
_OBJS_VAR := WPA_OBJS
include ../src/objs.mk
_OBJS_VAR := WPA_LIBS
include ../src/objs.mk
_OBJS_VAR := ELIBS
include ../src/objs.mk
LIBS=$(SLIBS) $(DLIBS) $(WPA_LIBS) $(ELIBS)
test-bss: $(call BUILDOBJ,test-bss.o) $(WPA_OBJS) $(LIBS)
$(LDO) $(LDFLAGS) -o $@ $< $(LLIBS) $(WPA_CFLAGS) $(WPA_OBJS) $(LIBS)
run-tests: $(ALL)
./test-aes
./test-list
@ -90,6 +148,7 @@ run-tests: $(ALL)
./test-rsa-sig-ver
./test-sha1
./test-sha256
./test-bss
@echo
@echo All tests completed successfully.

96
tests/test-bss.c Normal file
View file

@ -0,0 +1,96 @@
/*
* WPA BSS parsing - test program
* Copyright (C) 2023 Intel Corporation
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include <assert.h>
#include "utils/includes.h"
#include "utils/common.h"
#include "wpa_supplicant_i.h"
#include "bss.h"
#define ASSERT_CMP_INT(a, cmp, b) { \
ssize_t __a = (a); ssize_t __b = (b); \
if (!(__a cmp __b)) { \
wpa_printf(MSG_ERROR, "Assertion failed: %ld %s %ld", \
__a, #cmp, __b); \
abort(); \
} \
}
void test_parse_basic_ml(struct wpa_supplicant *wpa_s, u8 mld_id)
{
const u8 mld_ie[] = {
/* RNR */
WLAN_EID_REDUCED_NEIGHBOR_REPORT, 40,
0x00, 0x10, 0x51, 0x01, 0xff, 0x00, 0x11, 0x22,
0x33, 0x44, 0x01, 0x68, 0x05, 0x2d, 0xa6, 0x42,
0xfe, mld_id, 0x10, 0x00, 0x00, 0x10, 0x51, 0x06,
0xff, 0x00, 0x11, 0x22, 0x33, 0x44, 0x02, 0x68,
0x05, 0x2d, 0xa6, 0x42, 0xfe, mld_id, 0x11, 0x00,
/* basic ML */
WLAN_EID_EXTENSION, 1 + 15, WLAN_EID_EXT_MULTI_LINK,
0xb0, 0x01, 0x0d, 0x02, 0x00, 0x00, 0x00, 0x07,
0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
};
const u8 mbssid_idx_ie[] = {
WLAN_EID_MULTIPLE_BSSID_INDEX, 1, mld_id,
};
struct {
struct wpa_bss bss;
u8 ies[sizeof(mld_ie) + sizeof(mbssid_idx_ie)];
} bss;
u8 ap_mld_addr[ETH_ALEN];
u16 missing_links;
u8 ret;
u8 ap_mld_id;
memcpy(bss.bss.ies, mld_ie, sizeof(mld_ie));
bss.bss.ie_len = sizeof(mld_ie);
if (mld_id > 0) {
memcpy(bss.bss.ies + sizeof(mld_ie), mbssid_idx_ie,
sizeof(mbssid_idx_ie));
bss.bss.ie_len += sizeof(mbssid_idx_ie);
}
ret = wpa_bss_parse_basic_ml_element(wpa_s, &bss.bss, ap_mld_addr,
&missing_links, NULL, &ap_mld_id);
ASSERT_CMP_INT(ret, ==, 0);
ASSERT_CMP_INT(bss.bss.n_mld_links, ==, 1);
ASSERT_CMP_INT(missing_links, ==, 0x0002);
ASSERT_CMP_INT(ap_mld_id, ==, mld_id);
}
#define RUN_TEST(func, ...) do { \
func(wpa_s, __VA_ARGS__); \
printf("\nok " #func " " #__VA_ARGS__ "\n\n"); \
} while (false)
int main(void)
{
struct wpa_interface iface = {
.ifname = "dummy",
};
struct wpa_global *global;
struct wpa_params params = {
.wpa_debug_level = MSG_DEBUG,
};
struct wpa_supplicant *wpa_s;
global = wpa_supplicant_init(&params);
wpa_s = wpa_supplicant_add_iface(global, &iface, NULL);
assert(wpa_s);
RUN_TEST(test_parse_basic_ml, 0);
RUN_TEST(test_parse_basic_ml, 1);
return 0;
}