hostap/tests/fuzzing/p2p/p2p.c

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/*
* wpa_supplicant - P2P 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 "common/ieee802_11_defs.h"
#include "p2p/p2p.h"
#include "../fuzzer-common.h"
static void debug_print(void *ctx, int level, const char *msg)
{
wpa_printf(level, "P2P: %s", msg);
}
static void find_stopped(void *ctx)
{
}
static int start_listen(void *ctx, unsigned int freq,
unsigned int duration,
const struct wpabuf *probe_resp_ie)
{
return 0;
}
static void stop_listen(void *ctx)
{
}
static void dev_found(void *ctx, const u8 *addr,
const struct p2p_peer_info *info,
int new_device)
{
}
static void dev_lost(void *ctx, const u8 *dev_addr)
{
}
static int send_action(void *ctx, unsigned int freq, const u8 *dst,
const u8 *src, const u8 *bssid, const u8 *buf,
size_t len, unsigned int wait_time, int *scheduled)
{
*scheduled = 0;
return 0;
}
static void send_action_done(void *ctx)
{
}
static void go_neg_req_rx(void *ctx, const u8 *src, u16 dev_passwd_id,
u8 go_intent)
{
}
static struct p2p_data * init_p2p(void)
{
struct p2p_config p2p;
os_memset(&p2p, 0, sizeof(p2p));
p2p.max_peers = 100;
p2p.passphrase_len = 8;
p2p.channels.reg_classes = 1;
p2p.channels.reg_class[0].reg_class = 81;
p2p.channels.reg_class[0].channel[0] = 1;
p2p.channels.reg_class[0].channel[1] = 2;
p2p.channels.reg_class[0].channels = 2;
p2p.debug_print = debug_print;
p2p.find_stopped = find_stopped;
p2p.start_listen = start_listen;
p2p.stop_listen = stop_listen;
p2p.dev_found = dev_found;
p2p.dev_lost = dev_lost;
p2p.send_action = send_action;
p2p.send_action_done = send_action_done;
p2p.go_neg_req_rx = go_neg_req_rx;
return p2p_init(&p2p);
}
struct arg_ctx {
const u8 *data;
size_t data_len;
struct p2p_data *p2p;
int count;
};
static void test_send(void *eloop_data, void *user_ctx)
{
struct arg_ctx *ctx = eloop_data;
struct os_reltime rx_time;
wpa_hexdump(MSG_MSGDUMP, "fuzzer - IEs", ctx->data, ctx->data_len);
os_memset(&rx_time, 0, sizeof(rx_time));
p2p_scan_res_handler(ctx->p2p, (u8 *) "\x02\x00\x00\x00\x01\x00", 2412,
&rx_time, 0, ctx->data, ctx->data_len);
p2p_scan_res_handled(ctx->p2p);
p2p_probe_req_rx(ctx->p2p, (u8 *) "\x02\x00\x00\x00\x01\x00",
(u8 *) "\x02\x00\x00\x00\x00\x00",
(u8 *) "\x02\x00\x00\x00\x00\x00",
ctx->data, ctx->data_len, 2412, 0);
if (ctx->data_len >= IEEE80211_HDRLEN + 1) {
struct os_reltime rx_time;
const struct ieee80211_mgmt *mgmt;
mgmt = (const struct ieee80211_mgmt *) ctx->data;
os_memset(&rx_time, 0, sizeof(rx_time));
p2p_rx_action(ctx->p2p, mgmt->da, mgmt->sa, mgmt->bssid,
mgmt->u.action.category,
(const u8 *) ctx->data + IEEE80211_HDRLEN + 1,
ctx->data_len - IEEE80211_HDRLEN - 1, 2412);
}
eloop_terminate();
}
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
struct p2p_data *p2p;
struct arg_ctx ctx;
wpa_fuzzer_set_debug_level();
if (os_program_init())
return -1;
if (eloop_init()) {
wpa_printf(MSG_ERROR, "Failed to initialize event loop");
return 0;
}
p2p = init_p2p();
if (!p2p) {
wpa_printf(MSG_ERROR, "P2P init failed");
return 0;
}
os_memset(&ctx, 0, sizeof(ctx));
ctx.p2p = p2p;
ctx.data = data;
ctx.data_len = size;
eloop_register_timeout(0, 0, test_send, &ctx, NULL);
wpa_printf(MSG_DEBUG, "Starting eloop");
eloop_run();
wpa_printf(MSG_DEBUG, "eloop done");
p2p_deinit(p2p);
eloop_destroy();
os_program_deinit();
return 0;
}