#include <stdio.h>
#include <errno.h>
#include "cryptlib.h"
-#include "buffer.h"
-#include "evp.h"
-
-#ifndef NOPROTO
-static int b64_write(BIO *h,char *buf,int num);
-static int b64_read(BIO *h,char *buf,int size);
-/*static int b64_puts(BIO *h,char *str); */
-/*static int b64_gets(BIO *h,char *str,int size); */
-static long b64_ctrl(BIO *h,int cmd,long arg1,char *arg2);
+#include <openssl/buffer.h>
+#include <openssl/evp.h>
+
+static int b64_write(BIO *h, const char *buf, int num);
+static int b64_read(BIO *h, char *buf, int size);
+/*static int b64_puts(BIO *h, const char *str); */
+/*static int b64_gets(BIO *h, char *str, int size); */
+static long b64_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int b64_new(BIO *h);
static int b64_free(BIO *data);
-#else
-static int b64_write();
-static int b64_read();
-/*static int b64_puts(); */
-/*static int b64_gets(); */
-static long b64_ctrl();
-static int b64_new();
-static int b64_free();
-#endif
-
+static long b64_callback_ctrl(BIO *h,int cmd,bio_info_cb *fp);
#define B64_BLOCK_SIZE 1024
#define B64_BLOCK_SIZE2 768
#define B64_NONE 0
b64_ctrl,
b64_new,
b64_free,
+ b64_callback_ctrl,
};
-BIO_METHOD *BIO_f_base64()
+BIO_METHOD *BIO_f_base64(void)
{
return(&methods_b64);
}
-static int b64_new(bi)
-BIO *bi;
+static int b64_new(BIO *bi)
{
BIO_B64_CTX *ctx;
- ctx=(BIO_B64_CTX *)Malloc(sizeof(BIO_B64_CTX));
+ ctx=(BIO_B64_CTX *)OPENSSL_malloc(sizeof(BIO_B64_CTX));
if (ctx == NULL) return(0);
ctx->buf_len=0;
return(1);
}
-static int b64_free(a)
-BIO *a;
+static int b64_free(BIO *a)
{
if (a == NULL) return(0);
- Free(a->ptr);
+ OPENSSL_free(a->ptr);
a->ptr=NULL;
a->init=0;
a->flags=0;
return(1);
}
-static int b64_read(b,out,outl)
-BIO *b;
-char *out;
-int outl;
+static int b64_read(BIO *b, char *out, int outl)
{
int ret=0,i,ii,j,k,x,n,num,ret_code=0;
BIO_B64_CTX *ctx;
&(ctx->tmp[0]));
for (x=0; x < i; x++)
ctx->tmp[x]=p[x];
- EVP_DecodeInit(&ctx->base64);
}
+ EVP_DecodeInit(&ctx->base64);
ctx->start=0;
break;
}
return((ret == 0)?ret_code:ret);
}
-static int b64_write(b,in,inl)
-BIO *b;
-char *in;
-int inl;
+static int b64_write(BIO *b, const char *in, int inl)
{
int ret=inl,n,i;
BIO_B64_CTX *ctx;
n-=i;
}
/* at this point all pending data has been written */
+ ctx->buf_off=0;
+ ctx->buf_len=0;
if ((in == NULL) || (inl <= 0)) return(0);
- ctx->buf_off=0;
while (inl > 0)
{
n=(inl > B64_BLOCK_SIZE)?B64_BLOCK_SIZE:inl;
if (ctx->tmp_len > 0)
{
n=3-ctx->tmp_len;
+ /* There's a teoretical possibility for this */
+ if (n > inl)
+ n=inl;
memcpy(&(ctx->tmp[ctx->tmp_len]),in,n);
ctx->tmp_len+=n;
- n=ctx->tmp_len;
- if (n < 3)
+ if (ctx->tmp_len < 3)
break;
ctx->buf_len=EVP_EncodeBlock(
(unsigned char *)ctx->buf,
- (unsigned char *)ctx->tmp,n);
+ (unsigned char *)ctx->tmp,
+ ctx->tmp_len);
+ /* Since we're now done using the temporary
+ buffer, the length should be 0'd */
+ ctx->tmp_len=0;
}
else
{
return(ret);
}
-static long b64_ctrl(b,cmd,num,ptr)
-BIO *b;
-int cmd;
-long num;
-char *ptr;
+static long b64_ctrl(BIO *b, int cmd, long num, void *ptr)
{
BIO_B64_CTX *ctx;
long ret=1;
break;
case BIO_CTRL_WPENDING: /* More to write in buffer */
ret=ctx->buf_len-ctx->buf_off;
- if ((ret == 0) && (ctx->base64.num != 0))
+ if ((ret == 0) && (ctx->encode != B64_NONE)
+ && (ctx->base64.num != 0))
ret=1;
else if (ret <= 0)
ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
goto again;
}
}
- else if (ctx->base64.num != 0)
+ else if (ctx->encode != B64_NONE && ctx->base64.num != 0)
{
ctx->buf_off=0;
EVP_EncodeFinal(&(ctx->base64),
return(ret);
}
+static long b64_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
+ {
+ long ret=1;
+
+ if (b->next_bio == NULL) return(0);
+ switch (cmd)
+ {
+ default:
+ ret=BIO_callback_ctrl(b->next_bio,cmd,fp);
+ break;
+ }
+ return(ret);
+ }
+