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https://gitlab.com/gnuwget/wget2.git
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32e97a0067
* fuzz/Makefile.am: Add libwget_sitemap_url_fuzzer * fuzz/libwget_iri_fuzzer.c: New fuzzer * fuzz/libwget_iri_fuzzer.dict: New dictionary * fuzz/libwget_iri_fuzzer.in/*: Corpora
94 lines
2.5 KiB
C
94 lines
2.5 KiB
C
/*
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* Copyright(c) 2017 Free Software Foundation, Inc.
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*
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* This file is part of libwget.
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*
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* Libwget is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Libwget 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libwget. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <assert.h>
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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 <string.h>
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#include "wget.h"
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#include "fuzzer.h"
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static void test(char *in, size_t len, const char *encoding)
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{
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wget_iri_t *base;
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base = wget_iri_parse("http://x.org", encoding);
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assert(base != NULL);
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wget_iri_t *iri, *iri2;
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iri = wget_iri_parse(in, encoding);
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iri2 = wget_iri_clone(iri);
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wget_iri_free(&iri2);
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iri2 = wget_iri_parse_base(NULL, in, encoding);
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wget_iri_free(&iri2);
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iri2 = wget_iri_parse_base(base, in, encoding);
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int x = wget_iri_compare(iri, iri2);
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wget_iri_free(&iri2);
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wget_iri_get_connection_part(iri);
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wget_buffer_t buf;
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wget_buffer_init(&buf, NULL, 32);
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wget_buffer_printf(&buf, "%d", x); // use x to avoid optimization (removal of call to wget_iri_compare)
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wget_iri_relative_to_abs(base, (const char *) in, len, &buf);
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wget_iri_escape(in, &buf);
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wget_iri_escape_path(in, &buf);
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wget_iri_escape_query(in, &buf);
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if (iri) {
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if (wget_iri_supported(iri))
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wget_iri_set_scheme(iri, "https");
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wget_iri_get_escaped_host(iri, &buf);
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wget_iri_get_escaped_resource(iri, &buf);
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wget_iri_get_path(iri, &buf, encoding);
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wget_iri_get_query_as_filename(iri, &buf, encoding);
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wget_iri_get_filename(iri, &buf, encoding);
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}
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wget_buffer_deinit(&buf);
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wget_iri_free(&iri);
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wget_iri_free(&base);
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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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if (size > 10000) // same as max_len = 10000 in .options file
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return 0;
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char *in = (char *) malloc(size + 1);
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assert(in != NULL);
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// 0 terminate
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memcpy(in, data, size);
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in[size] = 0;
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// the expression avoids removal of calls to pure functions
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if (wget_iri_isreserved('='))
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wget_iri_set_defaultpage("index.html");
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test(in, size, "iso-8859-1");
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test(in, size, "utf-8");
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free(in);
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return 0;
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}
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