tests: Add eapol-fuzzer

This program can be used to run fuzzing tests for areas related to EAPOL
frame parsing and processing on the supplicant side.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-04-18 11:31:11 +03:00
parent a65d7495b5
commit 46c3befe24
10 changed files with 368 additions and 15 deletions

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@ -1,8 +1,31 @@
all:
@echo Nothing to be made.
all: libeap_common.a
clean:
rm -f *~ *.o *.d *.gcno *.gcda *.gcov
rm -f *~ *.o *.d *.gcno *.gcda *.gcov libeap_common.a
install:
@echo Nothing to be made.
include ../lib.rules
LIB_OBJS= \
chap.o \
eap_common.o \
eap_eke_common.o \
eap_eke_common.o \
eap_fast_common.o \
eap_gpsk_common.o \
eap_ikev2_common.o \
eap_pax_common.o \
eap_peap_common.o \
eap_psk_common.o \
eap_pwd_common.o \
eap_sake_common.o \
eap_sim_common.o \
eap_wsc_common.o \
ikev2_common.o
libeap_common.a: $(LIB_OBJS)
$(AR) crT $@ $?
-include $(OBJS:%.o=%.d)

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@ -1,11 +1,23 @@
all:
@echo Nothing to be made.
all: libeap_peer.a
clean:
rm -f *~ *.o *.so *.d *.gcno *.gcda *.gcov
rm -f *~ *.o *.so *.d *.gcno *.gcda *.gcov libeap_peer.a
install:
if ls *.so >/dev/null 2>&1; then \
install -d $(DESTDIR)$(LIBDIR)/wpa_supplicant && \
cp *.so $(DESTDIR)$(LIBDIR)/wpa_supplicant \
; fi
include ../lib.rules
CFLAGS += -DIEEE8021X_EAPOL
LIB_OBJS= \
eap.o \
eap_methods.o
libeap_peer.a: $(LIB_OBJS)
$(AR) crT $@ $?
-include $(OBJS:%.o=%.d)

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@ -1,8 +1,18 @@
all:
@echo Nothing to be made.
all: libeapol_supp.a
clean:
rm -f *~ *.o *.d *.gcno *.gcda *.gcov
rm -f *~ *.o *.d *.gcno *.gcda *.gcov libeapol_supp.a
install:
@echo Nothing to be made.
include ../lib.rules
CFLAGS += -DIEEE8021X_EAPOL
LIB_OBJS = eapol_supp_sm.o
libeapol_supp.a: $(LIB_OBJS)
$(AR) crT $@ $?
-include $(OBJS:%.o=%.d)

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@ -1,8 +1,16 @@
all:
@echo Nothing to be made.
all: libl2_packet.a
clean:
rm -f *~ *.o *.d *.gcno *.gcda *.gcov
rm -f *~ *.o *.d *.gcno *.gcda *.gcov libl2_packet.a
install:
@echo Nothing to be made.
include ../lib.rules
LIB_OBJS = l2_packet_linux.o
libl2_packet.a: $(LIB_OBJS)
$(AR) crT $@ $?
-include $(OBJS:%.o=%.d)

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@ -1,8 +1,30 @@
all:
@echo Nothing to be made.
all: librsn_supp.a
clean:
rm -f *~ *.o *.d *.gcno *.gcda *.gcov
rm -f *~ *.o *.d *.gcno *.gcda *.gcov librsn_supp.a
install:
@echo Nothing to be made.
include ../lib.rules
CFLAGS += -DCONFIG_IEEE80211W
CFLAGS += -DCONFIG_IEEE80211R
CFLAGS += -DCONFIG_PEERKEY
CFLAGS += -DCONFIG_TDLS
CFLAGS += -DCONFIG_WNM
CFLAGS += -DIEEE8021X_EAPOL
LIB_OBJS= \
pmksa_cache.o \
wpa_ft.o \
peerkey.o \
tdls.o \
preauth.o \
wpa.o \
wpa_ie.o
librsn_supp.a: $(LIB_OBJS)
$(AR) crT $@ $?
-include $(OBJS:%.o=%.d)

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@ -0,0 +1,67 @@
all: eapol-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 += -DIEEE8021X_EAPOL
$(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)/rsn_supp/librsn_supp.a:
$(MAKE) -C $(SRC)/rsn_supp
$(SRC)/eapol_supp/libeapol_supp.a:
$(MAKE) -C $(SRC)/eapol_supp
$(SRC)/eap_peer/libeap_peer.a:
$(MAKE) -C $(SRC)/eap_peer
$(SRC)/eap_common/libeap_common.a:
$(MAKE) -C $(SRC)/eap_common
$(SRC)/l2_packet/libl2_packet.a:
$(MAKE) -C $(SRC)/l2_packet
LIBS += $(SRC)/common/libcommon.a
LIBS += $(SRC)/crypto/libcrypto.a
LIBS += $(SRC)/tls/libtls.a
LIBS += $(SRC)/rsn_supp/librsn_supp.a
LIBS += $(SRC)/eapol_supp/libeapol_supp.a
LIBS += $(SRC)/eap_peer/libeap_peer.a
LIBS += $(SRC)/eap_common/libeap_common.a
LIBS += $(SRC)/l2_packet/libl2_packet.a
LIBS += $(SRC)/utils/libutils.a
ELIBS += $(SRC)/crypto/libcrypto.a
ELIBS += $(SRC)/tls/libtls.a
eapol-fuzzer: eapol-fuzzer.o $(LIBS)
$(LDO) $(LDFLAGS) -o $@ $^ $(LIBS) $(ELIBS)
clean:
$(MAKE) -C $(SRC) clean
rm -f eapol-fuzzer *~ *.o *.d
-include $(OBJS:%.o=%.d)

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@ -0,0 +1,211 @@
/*
* wpa_supplicant - EAPOL 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 "eapol_supp/eapol_supp_sm.h"
#include "rsn_supp/wpa.h"
struct arg_ctx {
const char *fname;
struct wpa_sm *wpa;
struct eapol_sm *eapol;
};
static void test_send_eapol(void *eloop_data, void *user_ctx)
{
struct arg_ctx *ctx = eloop_data;
char *data;
size_t len;
u8 src[ETH_ALEN] = { 0x02, 0x00, 0x00, 0x00, 0x00, 0x01 };
u8 wpa_ie[200];
size_t wpa_ie_len;
wpa_printf(MSG_INFO, "eapol-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 - EAPOL", data, len);
eapol_sm_notify_portEnabled(ctx->eapol, TRUE);
wpa_sm_set_param(ctx->wpa, WPA_PARAM_PROTO, WPA_PROTO_RSN);
wpa_sm_set_param(ctx->wpa, WPA_PARAM_RSN_ENABLED, 1);
wpa_sm_set_param(ctx->wpa, WPA_PARAM_KEY_MGMT, WPA_KEY_MGMT_PSK);
wpa_sm_set_param(ctx->wpa, WPA_PARAM_PAIRWISE, WPA_CIPHER_CCMP);
wpa_sm_set_param(ctx->wpa, WPA_PARAM_GROUP, WPA_CIPHER_CCMP);
wpa_ie_len = sizeof(wpa_ie);
wpa_sm_set_assoc_wpa_ie_default(ctx->wpa, wpa_ie, &wpa_ie_len);
if (eapol_sm_rx_eapol(ctx->eapol, src, (u8 *) data, len) <= 0)
wpa_sm_rx_eapol(ctx->wpa, src, (u8 *) data, len);
out:
os_free(data);
eloop_terminate();
}
static void * get_network_ctx(void *arg)
{
return (void *) 1;
}
static void set_state(void *arg, enum wpa_states state)
{
}
static void deauthenticate(void *arg, int reason_code)
{
}
static u8 * alloc_eapol(void *arg, u8 type,
const void *data, u16 data_len,
size_t *msg_len, void **data_pos)
{
struct ieee802_1x_hdr *hdr;
*msg_len = sizeof(*hdr) + data_len;
hdr = os_malloc(*msg_len);
if (hdr == NULL)
return NULL;
hdr->version = 2;
hdr->type = type;
hdr->length = host_to_be16(data_len);
if (data)
os_memcpy(hdr + 1, data, data_len);
else
os_memset(hdr + 1, 0, data_len);
if (data_pos)
*data_pos = hdr + 1;
return (u8 *) hdr;
}
static int ether_send(void *arg, const u8 *dest, u16 proto,
const u8 *buf, size_t len)
{
return 0;
}
static int get_bssid(void *ctx, u8 *bssid)
{
return -1;
}
static int eapol_send(void *ctx, int type, const u8 *buf, size_t len)
{
return 0;
}
static int init_wpa(struct arg_ctx *arg)
{
struct wpa_sm_ctx *ctx;
ctx = os_zalloc(sizeof(*ctx));
if (ctx == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
return -1;
}
ctx->ctx = arg;
ctx->msg_ctx = arg;
ctx->get_network_ctx = get_network_ctx;
ctx->set_state = set_state;
ctx->deauthenticate = deauthenticate;
ctx->alloc_eapol = alloc_eapol;
ctx->ether_send = ether_send;
ctx->get_bssid = get_bssid;
arg->wpa = wpa_sm_init(ctx);
return arg->wpa ? 0 : -1;
}
static int init_eapol(struct arg_ctx *arg)
{
struct eapol_ctx *ctx;
ctx = os_zalloc(sizeof(*ctx));
if (ctx == NULL) {
wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
return -1;
}
ctx->ctx = arg;
ctx->msg_ctx = arg;
ctx->eapol_send = eapol_send;
arg->eapol = eapol_sm_init(ctx);
return arg->eapol ? 0 : -1;
}
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_wpa(&ctx) || init_eapol(&ctx))
goto fail;
eloop_register_timeout(0, 0, test_send_eapol, &ctx, NULL);
wpa_printf(MSG_DEBUG, "Starting eloop");
eloop_run();
wpa_printf(MSG_DEBUG, "eloop done");
ret = 0;
fail:
if (ctx.wpa)
wpa_sm_deinit(ctx.wpa);
if (ctx.eapol)
eapol_sm_deinit(ctx.eapol);
eloop_destroy();
os_program_deinit();
return ret;
}

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