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#181 OSS-Fuzz CODEONE fix, double indexing typo

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gitlost 2020-03-28 10:13:06 +00:00
parent 7dfea38d85
commit 0c00ece9f5
4 changed files with 82 additions and 3 deletions
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4
backend/code1.c
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@ -2,7 +2,7 @@
/*
libzint - the open source barcode library
Copyright (C) 2009-2017 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2009-2020 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@ -442,7 +442,7 @@ static int c1_encode(struct zint_symbol *symbol, unsigned char source[], unsigne
if (j == 13) {
latch = 0;
for (i = sp + 13; i < length; i++) {
if (!((source[sp + i] >= '0') && (source[sp + i] <= '9'))) {
if (!((source[i] >= '0') && (source[i] <= '9'))) {
latch = 1;
}
}

1
backend/library.c
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@ -31,7 +31,6 @@
/* vim: set ts=4 sw=4 et : */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#ifdef _MSC_VER

1
backend/tests/CMakeLists.txt
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@ -53,6 +53,7 @@ endmacro(zint_add_test)
zint_add_test(auspost, test_auspost)
zint_add_test(channel, test_channel)
zint_add_test(codablock, test_codablock)
zint_add_test(code1, test_code1)
zint_add_test(common, test_common)
zint_add_test(composite, test_composite)
zint_add_test(dmatrix, test_dmatrix)

79
backend/tests/test_code1.c Normal file
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@ -0,0 +1,79 @@
/*
libzint - the open source barcode library
Copyright (C) 2020 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the project nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/
/* vim: set ts=4 sw=4 et : */
#include "testcommon.h"
// #181 Nico Gunkel OSS-Fuzz
static void test_fuzz(void)
{
testStart("");
int ret;
struct item {
int symbology;
unsigned char* data;
int length;
int ret;
};
// s/\/\*[ 0-9]*\*\//\=printf("\/*%2d*\/", line(".") - line("'<"))
struct item data[] = {
/* 0*/ { BARCODE_CODEONE, "3333P33B\035333V3333333333333\0363", -1, 0 },
};
int data_size = sizeof(data) / sizeof(struct item);
for (int i = 0; i < data_size; i++) {
struct zint_symbol* symbol = ZBarcode_Create();
assert_nonnull(symbol, "Symbol not created\n");
symbol->symbology = data[i].symbology;
int length = data[i].length;
if (length == -1) {
length = strlen(data[i].data);
}
ret = ZBarcode_Encode(symbol, data[i].data, length);
assert_equal(ret, data[i].ret, "i:%d ZBarcode_Encode ret %d != %d (%s)\n", i, ret, data[i].ret, symbol->errtxt);
ZBarcode_Delete(symbol);
}
testFinish();
}
int main()
{
test_fuzz();
testReport();
return 0;
}