065e6e7010
This is a newer version of tests/wnm-fuzzer tool as the initial step in creating a more uniform set of fuzzing tools that can be used with both libFuzzer and afl-fuzz. Signed-off-by: Jouni Malinen <j@w1.fi>
99 lines
1.9 KiB
C
99 lines
1.9 KiB
C
/*
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* wpa_supplicant - WNM fuzzer
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* Copyright (c) 2015-2019, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#include "utils/includes.h"
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#include "utils/common.h"
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#include "utils/eloop.h"
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#include "common/ieee802_11_defs.h"
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#include "rsn_supp/wpa.h"
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#include "rsn_supp/wpa_i.h"
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#include "wpa_supplicant_i.h"
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#include "bss.h"
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#include "wnm_sta.h"
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#include "config.h"
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#include "../fuzzer-common.h"
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struct arg_ctx {
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const u8 *data;
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size_t data_len;
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struct wpa_supplicant wpa_s;
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struct wpa_bss bss;
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struct wpa_driver_ops driver;
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struct wpa_sm wpa;
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struct wpa_config conf;
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};
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static void test_send_wnm(void *eloop_data, void *user_ctx)
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{
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struct arg_ctx *ctx = eloop_data;
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const struct ieee80211_mgmt *mgmt;
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wpa_hexdump(MSG_MSGDUMP, "fuzzer - WNM", ctx->data, ctx->data_len);
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mgmt = (const struct ieee80211_mgmt *) ctx->data;
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ieee802_11_rx_wnm_action(&ctx->wpa_s, mgmt, ctx->data_len);
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eloop_terminate();
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}
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static int init_wpa(struct arg_ctx *ctx)
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{
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ctx->wpa_s.wpa_state = WPA_COMPLETED;
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os_memcpy(ctx->wpa_s.bssid, "\x02\x00\x00\x00\x03\x00", ETH_ALEN);
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ctx->wpa_s.current_bss = &ctx->bss;
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ctx->wpa_s.driver = &ctx->driver;
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ctx->wpa_s.wpa = &ctx->wpa;
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ctx->wpa_s.conf = &ctx->conf;
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return 0;
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}
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static void deinit_wpa(struct arg_ctx *ctx)
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{
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wnm_deallocate_memory(&ctx->wpa_s);
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}
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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struct arg_ctx ctx;
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wpa_fuzzer_set_debug_level();
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if (os_program_init())
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return 0;
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if (eloop_init()) {
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wpa_printf(MSG_ERROR, "Failed to initialize event loop");
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return 0;
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}
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os_memset(&ctx, 0, sizeof(ctx));
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ctx.data = data;
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ctx.data_len = size;
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if (init_wpa(&ctx))
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goto fail;
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eloop_register_timeout(0, 0, test_send_wnm, &ctx, NULL);
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wpa_printf(MSG_DEBUG, "Starting eloop");
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eloop_run();
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wpa_printf(MSG_DEBUG, "eloop done");
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deinit_wpa(&ctx);
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fail:
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eloop_destroy();
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os_program_deinit();
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return 0;
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}
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