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/*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
// LCOV_EXCL_START
#include "libavutil/timer.h"
#include <stdint.h>
#include <stdio.h>
#include "libavutil/common.h"
#include "libavutil/base64.h"
#define MAX_DATA_SIZE 1024
#define MAX_ENCODED_SIZE 2048
static int test_encode_decode(const uint8_t *data, unsigned int data_size,
const char *encoded_ref)
{
char encoded[MAX_ENCODED_SIZE];
uint8_t data2[MAX_DATA_SIZE];
int data2_size, max_data2_size = MAX_DATA_SIZE;
if (!av_base64_encode(encoded, MAX_ENCODED_SIZE, data, data_size)) {
printf("Failed: cannot encode the input data\n");
return 1;
}
if (encoded_ref && strcmp(encoded, encoded_ref)) {
printf("Failed: encoded string differs from reference\n"
"Encoded:\n%s\nReference:\n%s\n", encoded, encoded_ref);
return 1;
}
if ((data2_size = av_base64_decode(data2, encoded, max_data2_size)) != data_size) {
printf("Failed: cannot decode the encoded string\n"
"Encoded:\n%s\n", encoded);
return 1;
}
if ((data2_size = av_base64_decode(data2, encoded, data_size)) != data_size) {
printf("Failed: cannot decode with minimal buffer\n"
"Encoded:\n%s\n", encoded);
return 1;
}
if (memcmp(data2, data, data_size)) {
printf("Failed: encoded/decoded data differs from original data\n");
return 1;
}
if (av_base64_decode(NULL, encoded, 0) != 0) {
printf("Failed: decode to NULL buffer\n");
return 1;
}
if (data_size > 0 && (data2_size = av_base64_decode(data2, encoded, data_size - 1)) != data_size - 1) {
printf("Failed: out of array write\n"
"Encoded:\n%s\n", encoded);
return 1;
}
if (data_size > 1 && (data2_size = av_base64_decode(data2, encoded, data_size - 2)) != data_size - 2) {
printf("Failed: out of array write\n"
"Encoded:\n%s\n", encoded);
return 1;
}
if (strlen(encoded)) {
char *end = strchr(encoded, '=');
if (!end)
end = encoded + strlen(encoded) - 1;
*end = '%';
if (av_base64_decode(NULL, encoded, 0) >= 0) {
printf("Failed: error detection\n");
return 1;
}
}
printf("Passed!\n");
return 0;
}
int main(int argc, char ** argv)
{
int i, error_count = 0;
struct test {
const uint8_t *data;
const char *encoded_ref;
} tests[] = {
{ "", ""},
{ "1", "MQ=="},
{ "22", "MjI="},
{ "333", "MzMz"},
{ "4444", "NDQ0NA=="},
{ "55555", "NTU1NTU="},
{ "666666", "NjY2NjY2"},
{ "abc:def", "YWJjOmRlZg=="},
};
char in[1024], out[2048];
printf("Encoding/decoding tests\n");
for (i = 0; i < FF_ARRAY_ELEMS(tests); i++)
error_count += test_encode_decode(tests[i].data, strlen(tests[i].data), tests[i].encoded_ref);
if (argc>1 && !strcmp(argv[1], "-t")) {
memset(in, 123, sizeof(in));
for(i=0; i<10000; i++){
START_TIMER
av_base64_encode(out, sizeof(out), in, sizeof(in));
STOP_TIMER("encode")
}
for(i=0; i<10000; i++){
START_TIMER
av_base64_decode(in, out, sizeof(in));
STOP_TIMER("decode")
}
for(i=0; i<10000; i++){
START_TIMER
av_base64_decode(NULL, out, 0);
STOP_TIMER("syntax check")
}
}
if (error_count)
printf("Error Count: %d.\n", error_count);
return !!error_count;
}
// LCOV_EXCL_STOP
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