base64.c

Go to the documentation of this file.

// SPDX-FileCopyrightText: 2011-2016 pancake <pancake@nopcode.org>
// SPDX-License-Identifier: MIT
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rz_util/rz_base64.h>
#include "sdb.h"
 
RZ_API void sdb_encode_raw(char *bout, const ut8 *bin, int len) {
    rz_base64_encode(bout, bin, len);
}
 
RZ_API int sdb_decode_raw(ut8 *bout, const char *bin, int len) {
    return rz_base64_decode(bout, bin, len);
}
 
RZ_API char *sdb_encode(const ut8 *bin, int len) {
    char *out;
    if (!bin) {
        return NULL;
    }
    if (len < 0) {
        len = strlen((const char *)bin);
    }
    if (!len) {
        return strdup("");
    }
    out = calloc(8 + (len * 2), sizeof(char));
    if (!out) {
        return NULL;
    }
    sdb_encode_raw(out, bin, len);
    return out;
}
 
RZ_API ut8 *sdb_decode(const char *in, int *len) {
    ut8 *out;
    ut32 size;
    int olen, ilen;
    if (len) {
        *len = 0;
    }
    if (!in) {
        return NULL;
    }
    ilen = strlen(in);
    if (!ilen) {
        return NULL;
    }
    size = (ilen * 3) + 16;
    if (size < (ut32)ilen) {
        return NULL;
    }
    out = calloc(1, size);
    if (!out) {
        return NULL;
    }
    olen = sdb_decode_raw(out, in, ilen);
    if (!olen) {
        free(out);
        return NULL;
    }
    out[olen] = 0;
    if (len) {
        *len = olen;
    }
    return out;
}