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Import of old SSLeay release: SSLeay 0.9.0b

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This commit is contained in:
Ralf S. Engelschall
1998-12-21 10:56:39 +00:00
parent d02b48c63a
commit 58964a4922
826 changed files with 71709 additions and 8819 deletions
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117
crypto/evp/bio_b64.c
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@@ -1,5 +1,5 @@
/* crypto/evp/bio_b64.c */
/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
@@ -81,6 +81,7 @@ static int b64_free();
#endif
#define B64_BLOCK_SIZE 1024
#define B64_BLOCK_SIZE2 768
#define B64_NONE 0
#define B64_ENCODE 1
#define B64_DECODE 2
@@ -155,7 +156,7 @@ BIO *b;
char *out;
int outl;
{
int ret=0,i,ii,j,k,x,n,num;
int ret=0,i,ii,j,k,x,n,num,ret_code=0;
BIO_B64_CTX *ctx;
unsigned char *p,*q;
@@ -169,6 +170,7 @@ int outl;
ctx->encode=B64_DECODE;
ctx->buf_len=0;
ctx->buf_off=0;
ctx->tmp_len=0;
EVP_DecodeInit(&(ctx->base64));
}
@@ -192,6 +194,7 @@ int outl;
/* At this point, we have room of outl bytes and an empty
* buffer, so we should read in some more. */
ret_code=0;
while (outl > 0)
{
if (ctx->cont <= 0) break;
@@ -201,16 +204,24 @@ int outl;
if (i <= 0)
{
ret_code=i;
/* Should be continue next time we are called? */
if (!BIO_should_retry(b->next_bio))
ctx->cont=i;
/* else we should continue when called again */
break;
}
i+=ctx->tmp_len;
/* We need to scan, a line at a time until we
* have a valid line if we are starting. */
if (ctx->start)
if (ctx->start && (BIO_get_flags(b) & BIO_FLAGS_BASE64_NO_NL))
{
/* ctx->start=1; */
ctx->tmp_len=0;
}
else if (ctx->start)
{
q=p=(unsigned char *)ctx->tmp;
for (j=0; j<i; j++)
@@ -273,13 +284,51 @@ int outl;
else
ctx->tmp_len=0;
}
i=EVP_DecodeUpdate(&(ctx->base64),
(unsigned char *)ctx->buf,&ctx->buf_len,
(unsigned char *)ctx->tmp,i);
if (BIO_get_flags(b) & BIO_FLAGS_BASE64_NO_NL)
{
int z,jj;
jj=(i>>2)<<2;
z=EVP_DecodeBlock((unsigned char *)ctx->buf,
(unsigned char *)ctx->tmp,jj);
if (jj > 2)
{
if (ctx->tmp[jj-1] == '=')
{
z--;
if (ctx->tmp[jj-2] == '=')
z--;
}
}
/* z is now number of output bytes and jj is the
* number consumed */
if (jj != i)
{
memcpy((unsigned char *)ctx->tmp,
(unsigned char *)&(ctx->tmp[jj]),i-jj);
ctx->tmp_len=i-jj;
}
ctx->buf_len=0;
if (z > 0)
{
ctx->buf_len=z;
i=1;
}
else
i=z;
}
else
{
i=EVP_DecodeUpdate(&(ctx->base64),
(unsigned char *)ctx->buf,&ctx->buf_len,
(unsigned char *)ctx->tmp,i);
}
ctx->cont=i;
ctx->buf_off=0;
if (i < 0)
{
ret_code=0;
ctx->buf_len=0;
break;
}
@@ -302,7 +351,7 @@ int outl;
}
BIO_clear_retry_flags(b);
BIO_copy_next_retry(b);
return((ret == 0)?ctx->cont:ret);
return((ret == 0)?ret_code:ret);
}
static int b64_write(b,in,inl)
@@ -321,6 +370,7 @@ int inl;
ctx->encode=B64_ENCODE;
ctx->buf_len=0;
ctx->buf_off=0;
ctx->tmp_len=0;
EVP_EncodeInit(&(ctx->base64));
}
@@ -344,9 +394,41 @@ int inl;
while (inl > 0)
{
n=(inl > B64_BLOCK_SIZE)?B64_BLOCK_SIZE:inl;
EVP_EncodeUpdate(&(ctx->base64),
(unsigned char *)ctx->buf,&ctx->buf_len,
(unsigned char *)in,n);
if (BIO_get_flags(b) & BIO_FLAGS_BASE64_NO_NL)
{
if (ctx->tmp_len > 0)
{
n=3-ctx->tmp_len;
memcpy(&(ctx->tmp[ctx->tmp_len]),in,n);
ctx->tmp_len+=n;
n=ctx->tmp_len;
if (n < 3)
break;
ctx->buf_len=EVP_EncodeBlock(
(unsigned char *)ctx->buf,
(unsigned char *)ctx->tmp,n);
}
else
{
if (n < 3)
{
memcpy(&(ctx->tmp[0]),in,n);
ctx->tmp_len=n;
break;
}
n-=n%3;
ctx->buf_len=EVP_EncodeBlock(
(unsigned char *)ctx->buf,
(unsigned char *)in,n);
}
}
else
{
EVP_EncodeUpdate(&(ctx->base64),
(unsigned char *)ctx->buf,&ctx->buf_len,
(unsigned char *)in,n);
}
inl-=n;
in+=n;
@@ -419,7 +501,20 @@ again:
break;
}
}
if (ctx->base64.num != 0)
if (BIO_get_flags(b) & BIO_FLAGS_BASE64_NO_NL)
{
if (ctx->tmp_len != 0)
{
ctx->buf_len=EVP_EncodeBlock(
(unsigned char *)ctx->buf,
(unsigned char *)ctx->tmp,
ctx->tmp_len);
ctx->buf_off=0;
ctx->tmp_len=0;
goto again;
}
}
else if (ctx->base64.num != 0)
{
ctx->buf_off=0;
EVP_EncodeFinal(&(ctx->base64),