mirror of
https://github.com/eclipse-mosquitto/mosquitto.git
synced 2026-05-10 11:45:00 +02:00
117 lines
2.3 KiB
C
117 lines
2.3 KiB
C
/*
|
|
Copyright (c) 2012-2020 Roger Light <roger@atchoo.org>
|
|
|
|
All rights reserved. This program and the accompanying materials
|
|
are made available under the terms of the Eclipse Public License 2.0
|
|
and Eclipse Distribution License v1.0 which accompany this distribution.
|
|
|
|
The Eclipse Public License is available at
|
|
https://www.eclipse.org/legal/epl-2.0/
|
|
and the Eclipse Distribution License is available at
|
|
http://www.eclipse.org/org/documents/edl-v10.php.
|
|
|
|
SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
|
|
|
|
Contributors:
|
|
Roger Light - initial implementation and documentation.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <errno.h>
|
|
#ifdef WITH_TLS
|
|
# include <openssl/opensslv.h>
|
|
# include <openssl/evp.h>
|
|
# include <openssl/rand.h>
|
|
# include <openssl/buffer.h>
|
|
#endif
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "mosquitto.h"
|
|
#include "mosquitto_broker.h"
|
|
#include "base64_mosq.h"
|
|
|
|
#ifdef WITH_TLS
|
|
int base64__encode(unsigned char *in, size_t in_len, char **encoded)
|
|
{
|
|
BIO *bmem, *b64;
|
|
BUF_MEM *bptr = NULL;
|
|
|
|
b64 = BIO_new(BIO_f_base64());
|
|
if(b64 == NULL) return 1;
|
|
|
|
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
|
|
bmem = BIO_new(BIO_s_mem());
|
|
if(bmem == NULL){
|
|
BIO_free_all(b64);
|
|
return 1;
|
|
}
|
|
b64 = BIO_push(b64, bmem);
|
|
BIO_write(b64, in, (int)in_len);
|
|
if(BIO_flush(b64) != 1){
|
|
BIO_free_all(b64);
|
|
return 1;
|
|
}
|
|
BIO_get_mem_ptr(b64, &bptr);
|
|
*encoded = malloc(bptr->length+1);
|
|
if(!(*encoded)){
|
|
BIO_free_all(b64);
|
|
return 1;
|
|
}
|
|
memcpy(*encoded, bptr->data, bptr->length);
|
|
(*encoded)[bptr->length] = '\0';
|
|
BIO_free_all(b64);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int base64__decode(char *in, unsigned char **decoded, unsigned int *decoded_len)
|
|
{
|
|
BIO *bmem, *b64;
|
|
size_t slen;
|
|
int len;
|
|
|
|
slen = strlen(in);
|
|
|
|
b64 = BIO_new(BIO_f_base64());
|
|
if(!b64){
|
|
return 1;
|
|
}
|
|
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
|
|
|
|
bmem = BIO_new(BIO_s_mem());
|
|
if(!bmem){
|
|
BIO_free_all(b64);
|
|
return 1;
|
|
}
|
|
b64 = BIO_push(b64, bmem);
|
|
BIO_write(bmem, in, (int)slen);
|
|
|
|
if(BIO_flush(bmem) != 1){
|
|
BIO_free_all(b64);
|
|
return 1;
|
|
}
|
|
*decoded = calloc(slen, 1);
|
|
if(!(*decoded)){
|
|
BIO_free_all(b64);
|
|
return 1;
|
|
}
|
|
len = BIO_read(b64, *decoded, (int)slen);
|
|
BIO_free_all(b64);
|
|
|
|
if(len <= 0){
|
|
free(*decoded);
|
|
*decoded = NULL;
|
|
*decoded_len = 0;
|
|
return 1;
|
|
}
|
|
*decoded_len = (unsigned int)len;
|
|
|
|
return 0;
|
|
}
|
|
#endif
|