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From: Marcus M. <mar...@us...> - 2017-07-24 13:21:03
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Update of /cvsroot/libexif/libexif/test In directory sfp-cvs-1.v30.ch3.sourceforge.com:/tmp/cvs-serv15011 Modified Files: Makefile.am Added Files: test-fuzzer.c Log Message: add a test-fuzzer that can be used to be called by AFL that tries to do various exif decoding on the passed file. Index: Makefile.am =================================================================== RCS file: /cvsroot/libexif/libexif/test/Makefile.am,v retrieving revision 1.23 retrieving revision 1.24 diff -u -d -r1.23 -r1.24 --- Makefile.am 14 Oct 2009 06:57:08 -0000 1.23 +++ Makefile.am 24 Jul 2017 13:20:58 -0000 1.24 @@ -10,12 +10,12 @@ # And this is just the lib - we don't have the program available # here yet. -TESTS = test-mem test-value test-integers test-parse test-tagtable test-sorted +TESTS = test-mem test-value test-integers test-parse test-tagtable test-sorted test-fuzzer TEST_IMAGES = $(top_srcdir)/daniel-andrews-sample.jpg export TEST_IMAGES check_PROGRAMS = test-mem test-mnote test-value test-integers test-parse \ - test-tagtable test-sorted + test-tagtable test-sorted test-fuzzer LDADD = $(top_builddir)/libexif/libexif.la $(LTLIBINTL) --- NEW FILE: test-fuzzer.c --- /**file test-fuzzer.c * from test-parse.c and test-mnote.c * * \brief Completely parse all files given on the command line. * * Copyright (C) 2007 Hans Ulrich Niedermann <gp...@n-...> * Copyright 2002 Lutz M\uffffller <lu...@us...> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301 USA. * */ #include <string.h> #include <stdio.h> #include <stdlib.h> #include "libexif/exif-data.h" #include "libexif/exif-system.h" /** Callback function handling an ExifEntry. */ void content_foreach_func(ExifEntry *entry, void *callback_data); void content_foreach_func(ExifEntry *entry, void *UNUSED(callback_data)) { char buf[2000]; exif_entry_get_value(entry, buf, sizeof(buf)); printf(" Entry %p: %s (%s)\n" " Size, Comps: %d, %d\n" " Value: %s\n", entry, exif_tag_get_name(entry->tag), exif_format_get_name(entry->format), entry->size, (int)(entry->components), exif_entry_get_value(entry, buf, sizeof(buf))); } /** Callback function handling an ExifContent (corresponds 1:1 to an IFD). */ void data_foreach_func(ExifContent *content, void *callback_data); void data_foreach_func(ExifContent *content, void *callback_data) { printf(" Content %p: ifd=%d\n", content, exif_content_get_ifd(content)); exif_content_foreach_entry(content, content_foreach_func, callback_data); } static int test_exif_data (ExifData *d) { unsigned int i, c; char v[1024], *p; ExifMnoteData *md; fprintf (stdout, "Byte order: %s\n", exif_byte_order_get_name (exif_data_get_byte_order (d))); md = exif_data_get_mnote_data (d); if (!md) { fprintf (stderr, "Could not parse maker note!\n"); return 1; } exif_mnote_data_ref (md); exif_mnote_data_unref (md); c = exif_mnote_data_count (md); for (i = 0; i < c; i++) { fprintf (stdout, "Dumping entry number %i...\n", i); fprintf (stdout, " Name: '%s'\n", exif_mnote_data_get_name (md, i)); fprintf (stdout, " Title: '%s'\n", exif_mnote_data_get_title (md, i)); fprintf (stdout, " Description: '%s'\n", exif_mnote_data_get_description (md, i)); p = exif_mnote_data_get_value (md, i, v, sizeof (v)); if (p) { fprintf (stdout, " Value: '%s'\n", v); } } return 0; } /** Run EXIF parsing test on the given file. */ static void test_parse(const char *filename, void *callback_data) { ExifData *d; d = exif_data_new_from_file(filename); exif_data_foreach_content(d, data_foreach_func, callback_data); test_exif_data (d); exif_data_unref(d); } /** Main program. */ int main(const int argc, const char *argv[]) { int i; void *callback_data = NULL; for (i=1; i<argc; i++) { test_parse(argv[i], callback_data); } return 0; } |