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//
// liblouis Braille Translation and Back-Translation Library
//
// Copyright (C) 2022 Anna Stan, Nicolas Morel, Kalilou Mamadou Dramé
//
// This file is part of liblouis.
//
// liblouis 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 2.1 of the License, or
// (at your option) any later version.
//
// liblouis 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 liblouis. If not, see <http://www.gnu.org/licenses/>.
//
#include <config.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <internal.h>
#include <liblouis.h>
#include <assert.h>
#define LANGUAGE "en"
static int initialized = 0;
#define BOLDRED(x) "\x1b[31m\x1b[1m" x "\x1b[0m"
static const char *table_default;
static void __attribute__((destructor))
free_ressources(void) {
lou_free();
}
void
avoid_log(logLevels level, const char *msg) {
(void) level;
(void) msg;
}
extern int LLVMFuzzerRunDriver(int *argc, char ***argv,
int (*UserCb)(const uint8_t *Data, size_t Size));
int
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
int inputLen = 0;
int outputLen = 0;
char *mutable_data = NULL;
if (!initialized)
{
lou_registerLogCallback(avoid_log);
table_default = getenv("FUZZ_TABLE");
initialized = 1;
}
mutable_data = strndup((char*)data, size);
if (!mutable_data)
{
perror("malloc");
exit(1);
}
widechar *inputText = malloc((size*16+1)*sizeof(widechar));
int len = (int)_lou_extParseChars(mutable_data, inputText);
free(mutable_data);
if (len <= 0) {
free(inputText);
return -1;
}
assert(len <= (size*16));
inputLen = len;
outputLen = len*16;
widechar *outputText = malloc((outputLen+1)*sizeof(widechar));
if (table_default == NULL)
{
fprintf(stderr, "\n" BOLDRED("[Please set up FUZZ_TABLE env var before starting fuzzer]")"\nThis environment variable is supposed to contain the table you want to test with lou_translateString()\n\n");
exit(0);
}
lou_translateString(table_default, inputText, &inputLen, outputText, &outputLen, NULL, NULL, ucBrl);
free(inputText);
free(outputText);
return 0;
}
int main(int argc, char *argv[]) {
LLVMFuzzerRunDriver(&argc, &argv, LLVMFuzzerTestOneInput);
}
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