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108 lines
3.1 KiB
108 lines
3.1 KiB
/* MIT License |
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* |
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* Copyright (c) The c-ares project and its contributors |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice (including the next |
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* paragraph) shall be included in all copies or substantial portions of the |
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* Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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* |
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* SPDX-License-Identifier: MIT |
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*/ |
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#include <stddef.h> |
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#include "ares.h" |
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int LLVMFuzzerTestOneInput(const unsigned char *data, unsigned long size); |
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// Entrypoint for Clang's libfuzzer |
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int LLVMFuzzerTestOneInput(const unsigned char *data, unsigned long size) |
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{ |
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// Feed the data into each of the ares_parse_*_reply functions. |
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struct hostent *host = NULL; |
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struct ares_addrttl info[5]; |
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struct ares_addr6ttl info6[5]; |
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unsigned char addrv4[4] = { 0x10, 0x20, 0x30, 0x40 }; |
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struct ares_srv_reply *srv = NULL; |
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struct ares_mx_reply *mx = NULL; |
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struct ares_txt_reply *txt = NULL; |
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struct ares_soa_reply *soa = NULL; |
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struct ares_naptr_reply *naptr = NULL; |
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struct ares_caa_reply *caa = NULL; |
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struct ares_uri_reply *uri = NULL; |
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int count = 5; |
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ares_parse_a_reply(data, (int)size, &host, info, &count); |
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if (host) { |
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ares_free_hostent(host); |
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} |
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host = NULL; |
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count = 5; |
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ares_parse_aaaa_reply(data, (int)size, &host, info6, &count); |
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if (host) { |
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ares_free_hostent(host); |
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} |
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host = NULL; |
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ares_parse_ptr_reply(data, (int)size, addrv4, sizeof(addrv4), AF_INET, &host); |
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if (host) { |
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ares_free_hostent(host); |
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} |
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host = NULL; |
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ares_parse_ns_reply(data, (int)size, &host); |
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if (host) { |
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ares_free_hostent(host); |
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} |
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ares_parse_srv_reply(data, (int)size, &srv); |
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if (srv) { |
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ares_free_data(srv); |
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} |
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ares_parse_mx_reply(data, (int)size, &mx); |
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if (mx) { |
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ares_free_data(mx); |
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} |
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ares_parse_txt_reply(data, (int)size, &txt); |
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if (txt) { |
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ares_free_data(txt); |
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} |
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ares_parse_soa_reply(data, (int)size, &soa); |
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if (soa) { |
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ares_free_data(soa); |
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} |
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ares_parse_naptr_reply(data, (int)size, &naptr); |
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if (naptr) { |
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ares_free_data(naptr); |
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} |
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ares_parse_caa_reply(data, (int)size, &caa); |
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if (caa) { |
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ares_free_data(caa); |
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} |
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ares_parse_uri_reply(data, (int)size, &uri); |
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if (uri) { |
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ares_free_data(uri); |
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} |
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return 0; |
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}
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