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https://github.com/vanhoefm/fragattacks.git
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2dfe2ad6cb
Avoid a memory leak in fuzzer tests by calling wnm_deallocate_memory() before exiting since this fuzzing wrapper does not use full wpa_supplicant_cleanup(). Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
117 lines
2.2 KiB
C
117 lines
2.2 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/wpa_supplicant_i.h"
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#include "../../wpa_supplicant/bss.h"
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#include "../../wpa_supplicant/wnm_sta.h"
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#include "../../wpa_supplicant/config.h"
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struct arg_ctx {
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const char *fname;
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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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char *data;
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size_t len;
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struct ieee80211_mgmt *mgmt;
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wpa_printf(MSG_INFO, "wnm-fuzzer: Send '%s'", ctx->fname);
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data = os_readfile(ctx->fname, &len);
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if (!data) {
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wpa_printf(MSG_ERROR, "Could not read '%s'", ctx->fname);
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goto out;
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}
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wpa_hexdump(MSG_MSGDUMP, "fuzzer - WNM", data, len);
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mgmt = (struct ieee80211_mgmt *) data;
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ieee802_11_rx_wnm_action(&ctx->wpa_s, mgmt, len);
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out:
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os_free(data);
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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 main(int argc, char *argv[])
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{
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struct arg_ctx ctx;
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int ret = -1;
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if (argc < 2) {
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printf("usage: %s <file>\n", argv[0]);
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return -1;
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}
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if (os_program_init())
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return -1;
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wpa_debug_level = 0;
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wpa_debug_show_keys = 1;
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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 -1;
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}
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os_memset(&ctx, 0, sizeof(ctx));
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ctx.fname = argv[1];
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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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ret = 0;
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fail:
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eloop_destroy();
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os_program_deinit();
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return ret;
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}
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