97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/*
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* Copyright (C) 2023 Teluu Inc. (http://www.teluu.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <pjlib.h>
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#include <pjlib-util.h>
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#include <pjnath.h>
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#define kMinInputLength 10
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#define kMaxInputLength 5120
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pj_pool_factory *mem;
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int stun_parse(uint8_t *data,size_t Size) {
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pj_status_t status;
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pj_pool_t *pool;
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pj_stun_msg *msg;
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pj_stun_auth_cred cred;
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const pj_str_t USERNAME = {"A", 1};
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const pj_str_t PASSWORD = {"A", 1};
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pool = pj_pool_create(mem, "decode_test", 1024, 1024, NULL);
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status = pj_stun_msg_decode(pool, data, Size, PJ_STUN_IS_DATAGRAM | PJ_STUN_CHECK_PACKET, &msg, NULL, NULL);
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if(status != PJ_SUCCESS){
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goto ret_error;
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}
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pj_bzero(&cred, sizeof(cred));
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cred.type = PJ_STUN_AUTH_CRED_STATIC;
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cred.data.static_cred.username = USERNAME;
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cred.data.static_cred.data_type = PJ_STUN_PASSWD_PLAIN;
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cred.data.static_cred.data = PASSWORD;
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pj_stun_authenticate_request(data, (unsigned)Size, msg, &cred, pool, NULL, NULL);
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pj_pool_release(pool);
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return status;
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ret_error:
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pj_pool_release(pool);
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return status;
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}
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extern int
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LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
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{
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if (Size < kMinInputLength || Size > kMaxInputLength) {
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return 1;
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}
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int ret = 0;
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uint8_t *data;
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pj_caching_pool caching_pool;
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/* Add NULL byte */
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data = (uint8_t *)calloc((Size+1), sizeof(uint8_t));
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memcpy((void *)data, (void *)Data, Size);
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/* init Calls */
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pj_init();
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pj_caching_pool_init( &caching_pool, &pj_pool_factory_default_policy, 0);
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pj_log_set_level(0);
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mem = &caching_pool.factory;
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/* Call fuzzer */
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ret = stun_parse(data, Size);
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free(data);
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pj_caching_pool_destroy(&caching_pool);
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return ret;
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}
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