#include <stdio.h>
#include "cryptlib.h"
-#include "evp.h"
+#include <openssl/evp.h>
+#ifndef CHARSET_EBCDIC
#define conv_bin2ascii(a) (data_bin2ascii[(a)&0x3f])
#define conv_ascii2bin(a) (data_ascii2bin[(a)&0x7f])
+#else
+/* We assume that PEM encoded files are EBCDIC files
+ * (i.e., printable text files). Convert them here while decoding.
+ * When encoding, output is EBCDIC (text) format again.
+ * (No need for conversion in the conv_bin2ascii macro, as the
+ * underlying textstring data_bin2ascii[] is already EBCDIC)
+ */
+#define conv_bin2ascii(a) (data_bin2ascii[(a)&0x3f])
+#define conv_ascii2bin(a) (data_ascii2bin[os_toascii[a]&0x7f])
+#endif
/* 64 char lines
* pad input with 0
#define CHUNKS_PER_LINE (64/4)
#define CHAR_PER_LINE (64+1)
-static unsigned char data_bin2ascii[65]="ABCDEFGHIJKLMNOPQRSTUVWXYZ\
+static const unsigned char data_bin2ascii[65]="ABCDEFGHIJKLMNOPQRSTUVWXYZ\
abcdefghijklmnopqrstuvwxyz0123456789+/";
/* 0xF0 is a EOLN
#define B64_ERROR 0xFF
#define B64_NOT_BASE64(a) (((a)|0x13) == 0xF3)
-static unsigned char data_ascii2bin[128]={
+static const unsigned char data_ascii2bin[128]={
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xE0,0xF0,0xFF,0xFF,0xF1,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0x31,0x32,0x33,0xFF,0xFF,0xFF,0xFF,0xFF,
};
-void EVP_EncodeInit(ctx)
-EVP_ENCODE_CTX *ctx;
+void EVP_EncodeInit(EVP_ENCODE_CTX *ctx)
{
ctx->length=48;
ctx->num=0;
ctx->line_num=0;
}
-void EVP_EncodeUpdate(ctx,out,outl,in,inl)
-EVP_ENCODE_CTX *ctx;
-unsigned char *out;
-int *outl;
-unsigned char *in;
-int inl;
+void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
+ const unsigned char *in, int inl)
{
int i,j;
unsigned int total=0;
*outl=0;
if (inl == 0) return;
+ OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
if ((ctx->num+inl) < ctx->length)
{
memcpy(&(ctx->enc_data[ctx->num]),in,inl);
*outl=total;
}
-void EVP_EncodeFinal(ctx,out,outl)
-EVP_ENCODE_CTX *ctx;
-unsigned char *out;
-int *outl;
+void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
{
unsigned int ret=0;
*outl=ret;
}
-int EVP_EncodeBlock(t,f,dlen)
-unsigned char *t,*f;
-int dlen;
+int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int dlen)
{
int i,ret=0;
unsigned long l;
return(ret);
}
-void EVP_DecodeInit(ctx)
-EVP_ENCODE_CTX *ctx;
+void EVP_DecodeInit(EVP_ENCODE_CTX *ctx)
{
ctx->length=30;
ctx->num=0;
* 0 for last line
* 1 for full line
*/
-int EVP_DecodeUpdate(ctx,out,outl,in,inl)
-EVP_ENCODE_CTX *ctx;
-unsigned char *out;
-int *outl;
-unsigned char *in;
-int inl;
+int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
+ const unsigned char *in, int inl)
{
- int seof= -1,eof=0,rv= -1,ret=0,i,v,tmp,n,ln,tmp2,exp_nl;
+ int seof= -1,eof=0,rv= -1,ret=0,i,v,tmp,n,ln,exp_nl;
unsigned char *d;
n=ctx->num;
/* only save the good data :-) */
if (!B64_NOT_BASE64(v))
{
+ OPENSSL_assert(n < (int)sizeof(ctx->enc_data));
d[n++]=tmp;
ln++;
}
eof++;
}
+ if (v == B64_CR)
+ {
+ ln = 0;
+ if (exp_nl)
+ continue;
+ }
+
/* eoln */
if (v == B64_EOLN)
{
/* If we are at the end of input and it looks like a
* line, process it. */
if (((i+1) == inl) && (((n&3) == 0) || eof))
+ {
v=B64_EOF;
+ /* In case things were given us in really small
+ records (so two '=' were given in separate
+ updates), eof may contain the incorrect number
+ of ending bytes to skip, so let's redo the count */
+ eof = 0;
+ if (d[n-1] == '=') eof++;
+ if (d[n-2] == '=') eof++;
+ /* There will never be more than two '=' */
+ }
- if ((v == B64_EOF) || (n >= 64))
+ if ((v == B64_EOF && (n&3) == 0) || (n >= 64))
{
/* This is needed to work correctly on 64 byte input
* lines. We process the line and then need to
* accept the '\n' */
if ((v != B64_EOF) && (n >= 64)) exp_nl=1;
- tmp2=v;
if (n > 0)
{
v=EVP_DecodeBlock(out,d,n);
- if (v < 0) { rv=0; goto end; }
n=0;
+ if (v < 0) { rv=0; goto end; }
+ if (eof > v) { rv=-1; goto end; }
ret+=(v-eof);
}
else
return(rv);
}
-int EVP_DecodeBlock(t,f,n)
-unsigned char *t,*f;
-int n;
+int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n)
{
int i,ret=0,a,b,c,d;
unsigned long l;
return(ret);
}
-int EVP_DecodeFinal(ctx,out,outl)
-EVP_ENCODE_CTX *ctx;
-unsigned char *out;
-int *outl;
+int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
{
int i;
}
#ifdef undef
-int EVP_DecodeValid(buf,len)
-unsigned char *buf;
-int len;
+int EVP_DecodeValid(unsigned char *buf, int len)
{
int i,num=0,bad=0;