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Update base64 PolarSSL code

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Also adjust our code using it for the size_t adjustments made by
upstream.

Signed-off-by: Dan McGee <dan@archlinux.org>
This commit is contained in:
Dan McGee 2011-08-14 20:39:43 -05:00
parent 835365b817
commit 83f076d3a8
3 changed files with 20 additions and 17 deletions
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12
lib/libalpm/base64.c
View File

@ -65,10 +65,10 @@ static const unsigned char base64_dec_map[128] =
/*
* Encode a buffer into base64 format
*/
int base64_encode( unsigned char *dst, int *dlen,
const unsigned char *src, int slen )
int base64_encode( unsigned char *dst, size_t *dlen,
const unsigned char *src, size_t slen )
{
int i, n;
size_t i, n;
int C1, C2, C3;
unsigned char *p;
@ -128,10 +128,10 @@ int base64_encode( unsigned char *dst, int *dlen,
/*
* Decode a base64-formatted buffer
*/
int base64_decode( unsigned char *dst, int *dlen,
const unsigned char *src, int slen )
int base64_decode( unsigned char *dst, size_t *dlen,
const unsigned char *src, size_t slen )
{
int i, j, n;
size_t i, j, n;
unsigned long x;
unsigned char *p;

14
lib/libalpm/base64.h
View File

@ -25,8 +25,10 @@
#ifndef _BASE64_H
#define _BASE64_H
#define POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL 0x0010
#define POLARSSL_ERR_BASE64_INVALID_CHARACTER 0x0012
#include <string.h>
#define POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL -0x0010 /**< Output buffer too small. */
#define POLARSSL_ERR_BASE64_INVALID_CHARACTER -0x0012 /**< Invalid character in input. */
/**
* \brief Encode a buffer into base64 format
@ -43,8 +45,8 @@
* \note Call this function with *dlen = 0 to obtain the
* required buffer size in *dlen
*/
int base64_encode( unsigned char *dst, int *dlen,
const unsigned char *src, int slen );
int base64_encode( unsigned char *dst, size_t *dlen,
const unsigned char *src, size_t slen );
/**
* \brief Decode a base64-formatted buffer
@ -62,7 +64,7 @@ int base64_encode( unsigned char *dst, int *dlen,
* \note Call this function with *dlen = 0 to obtain the
* required buffer size in *dlen
*/
int base64_decode( unsigned char *dst, int *dlen,
const unsigned char *src, int slen );
int base64_decode( unsigned char *dst, size_t *dlen,
const unsigned char *src, size_t slen );
#endif /* base64.h */

11
lib/libalpm/signing.c
View File

@ -168,20 +168,21 @@ error:
* @return 0 on success, 1 on failure to properly decode
*/
static int decode_signature(const char *base64_data,
unsigned char **data, int *data_len) {
unsigned char **data, size_t *data_len) {
unsigned char *usline;
int len;
size_t len;
len = strlen(base64_data);
usline = (unsigned char *)base64_data;
int ret, destlen = 0;
int ret;
size_t destlen = 0;
/* get the necessary size for the buffer by passing 0 */
ret = base64_decode(NULL, &destlen, usline, len);
if(ret != 0 && ret != POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL) {
goto error;
}
/* alloc our memory and repeat the call to decode */
MALLOC(*data, (size_t)destlen, goto error);
MALLOC(*data, destlen, goto error);
ret = base64_decode(*data, &destlen, usline, len);
if(ret != 0) {
goto error;
@ -270,7 +271,7 @@ int _alpm_gpgme_checksig(alpm_handle_t *handle, const char *path,
/* next create data object for the signature */
if(base64_sig) {
/* memory-based, we loaded it from a sync DB */
int data_len;
size_t data_len;
int decode_ret = decode_signature(base64_sig,
&decoded_sigdata, &data_len);
if(decode_ret) {