Update OpenSSL to version 1.0.1s

(cherry picked from commit c860574d8b
and commit 2cbd850979)
This commit is contained in:
mrezai
2016-04-10 17:48:59 +04:30
committed by Rémi Verschelde
parent b2b5c495e1
commit b24c3be564
914 changed files with 217503 additions and 210862 deletions

View File

@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@ -60,21 +60,21 @@
#include "cryptlib.h"
#include <openssl/evp.h>
static unsigned char conv_ascii2bin(unsigned char a);
#ifndef CHARSET_EBCDIC
#define conv_bin2ascii(a) (data_bin2ascii[(a)&0x3f])
#define conv_ascii2bin(a) (data_ascii2bin[(a)&0x7f])
# define conv_bin2ascii(a) (data_bin2ascii[(a)&0x3f])
#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)
/*
* 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])
# define conv_bin2ascii(a) (data_bin2ascii[(a)&0x3f])
#endif
/* 64 char lines
/*-
* 64 char lines
* pad input with 0
* left over chars are set to =
* 1 byte => xx==
@ -85,362 +85,370 @@
#define CHUNKS_PER_LINE (64/4)
#define CHAR_PER_LINE (64+1)
static const unsigned char data_bin2ascii[65]="ABCDEFGHIJKLMNOPQRSTUVWXYZ\
static const unsigned char data_bin2ascii[65] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ\
abcdefghijklmnopqrstuvwxyz0123456789+/";
/* 0xF0 is a EOLN
/*-
* 0xF0 is a EOLN
* 0xF1 is ignore but next needs to be 0xF0 (for \r\n processing).
* 0xF2 is EOF
* 0xE0 is ignore at start of line.
* 0xFF is error
*/
#define B64_EOLN 0xF0
#define B64_CR 0xF1
#define B64_EOF 0xF2
#define B64_WS 0xE0
#define B64_ERROR 0xFF
#define B64_NOT_BASE64(a) (((a)|0x13) == 0xF3)
#define B64_EOLN 0xF0
#define B64_CR 0xF1
#define B64_EOF 0xF2
#define B64_WS 0xE0
#define B64_ERROR 0xFF
#define B64_NOT_BASE64(a) (((a)|0x13) == 0xF3)
#define B64_BASE64(a) !B64_NOT_BASE64(a)
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,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xE0,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0x3E,0xFF,0xF2,0xFF,0x3F,
0x34,0x35,0x36,0x37,0x38,0x39,0x3A,0x3B,
0x3C,0x3D,0xFF,0xFF,0xFF,0x00,0xFF,0xFF,
0xFF,0x00,0x01,0x02,0x03,0x04,0x05,0x06,
0x07,0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,
0x0F,0x10,0x11,0x12,0x13,0x14,0x15,0x16,
0x17,0x18,0x19,0xFF,0xFF,0xFF,0xFF,0xFF,
0xFF,0x1A,0x1B,0x1C,0x1D,0x1E,0x1F,0x20,
0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
0x29,0x2A,0x2B,0x2C,0x2D,0x2E,0x2F,0x30,
0x31,0x32,0x33,0xFF,0xFF,0xFF,0xFF,0xFF,
};
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,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xE0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0x3E, 0xFF, 0xF2, 0xFF, 0x3F,
0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B,
0x3C, 0x3D, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
0xFF, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E,
0x0F, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
0x17, 0x18, 0x19, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20,
0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x30,
0x31, 0x32, 0x33, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
};
#ifndef CHARSET_EBCDIC
static unsigned char conv_ascii2bin(unsigned char a)
{
if (a & 0x80)
return B64_ERROR;
return data_ascii2bin[a];
}
#else
static unsigned char conv_ascii2bin(unsigned char a)
{
a = os_toascii[a];
if (a & 0x80)
return B64_ERROR;
return data_ascii2bin[a];
}
#endif
void EVP_EncodeInit(EVP_ENCODE_CTX *ctx)
{
ctx->length=48;
ctx->num=0;
ctx->line_num=0;
}
{
ctx->length = 48;
ctx->num = 0;
ctx->line_num = 0;
}
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;
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);
ctx->num+=inl;
return;
}
if (ctx->num != 0)
{
i=ctx->length-ctx->num;
memcpy(&(ctx->enc_data[ctx->num]),in,i);
in+=i;
inl-=i;
j=EVP_EncodeBlock(out,ctx->enc_data,ctx->length);
ctx->num=0;
out+=j;
*(out++)='\n';
*out='\0';
total=j+1;
}
while (inl >= ctx->length)
{
j=EVP_EncodeBlock(out,in,ctx->length);
in+=ctx->length;
inl-=ctx->length;
out+=j;
*(out++)='\n';
*out='\0';
total+=j+1;
}
if (inl != 0)
memcpy(&(ctx->enc_data[0]),in,inl);
ctx->num=inl;
*outl=total;
}
*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);
ctx->num += inl;
return;
}
if (ctx->num != 0) {
i = ctx->length - ctx->num;
memcpy(&(ctx->enc_data[ctx->num]), in, i);
in += i;
inl -= i;
j = EVP_EncodeBlock(out, ctx->enc_data, ctx->length);
ctx->num = 0;
out += j;
*(out++) = '\n';
*out = '\0';
total = j + 1;
}
while (inl >= ctx->length) {
j = EVP_EncodeBlock(out, in, ctx->length);
in += ctx->length;
inl -= ctx->length;
out += j;
*(out++) = '\n';
*out = '\0';
total += j + 1;
}
if (inl != 0)
memcpy(&(ctx->enc_data[0]), in, inl);
ctx->num = inl;
*outl = total;
}
void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
{
unsigned int ret=0;
{
unsigned int ret = 0;
if (ctx->num != 0)
{
ret=EVP_EncodeBlock(out,ctx->enc_data,ctx->num);
out[ret++]='\n';
out[ret]='\0';
ctx->num=0;
}
*outl=ret;
}
if (ctx->num != 0) {
ret = EVP_EncodeBlock(out, ctx->enc_data, ctx->num);
out[ret++] = '\n';
out[ret] = '\0';
ctx->num = 0;
}
*outl = ret;
}
int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int dlen)
{
int i,ret=0;
unsigned long l;
{
int i, ret = 0;
unsigned long l;
for (i=dlen; i > 0; i-=3)
{
if (i >= 3)
{
l= (((unsigned long)f[0])<<16L)|
(((unsigned long)f[1])<< 8L)|f[2];
*(t++)=conv_bin2ascii(l>>18L);
*(t++)=conv_bin2ascii(l>>12L);
*(t++)=conv_bin2ascii(l>> 6L);
*(t++)=conv_bin2ascii(l );
}
else
{
l=((unsigned long)f[0])<<16L;
if (i == 2) l|=((unsigned long)f[1]<<8L);
for (i = dlen; i > 0; i -= 3) {
if (i >= 3) {
l = (((unsigned long)f[0]) << 16L) |
(((unsigned long)f[1]) << 8L) | f[2];
*(t++) = conv_bin2ascii(l >> 18L);
*(t++) = conv_bin2ascii(l >> 12L);
*(t++) = conv_bin2ascii(l >> 6L);
*(t++) = conv_bin2ascii(l);
} else {
l = ((unsigned long)f[0]) << 16L;
if (i == 2)
l |= ((unsigned long)f[1] << 8L);
*(t++)=conv_bin2ascii(l>>18L);
*(t++)=conv_bin2ascii(l>>12L);
*(t++)=(i == 1)?'=':conv_bin2ascii(l>> 6L);
*(t++)='=';
}
ret+=4;
f+=3;
}
*(t++) = conv_bin2ascii(l >> 18L);
*(t++) = conv_bin2ascii(l >> 12L);
*(t++) = (i == 1) ? '=' : conv_bin2ascii(l >> 6L);
*(t++) = '=';
}
ret += 4;
f += 3;
}
*t='\0';
return(ret);
}
*t = '\0';
return (ret);
}
void EVP_DecodeInit(EVP_ENCODE_CTX *ctx)
{
ctx->length=30;
ctx->num=0;
ctx->line_num=0;
ctx->expect_nl=0;
}
{
/* Only ctx->num is used during decoding. */
ctx->num = 0;
ctx->length = 0;
ctx->line_num = 0;
ctx->expect_nl = 0;
}
/* -1 for error
/*-
* -1 for error
* 0 for last line
* 1 for full line
*
* Note: even though EVP_DecodeUpdate attempts to detect and report end of
* content, the context doesn't currently remember it and will accept more data
* in the next call. Therefore, the caller is responsible for checking and
* rejecting a 0 return value in the middle of content.
*
* Note: even though EVP_DecodeUpdate has historically tried to detect end of
* content based on line length, this has never worked properly. Therefore,
* we now return 0 when one of the following is true:
* - Padding or B64_EOF was detected and the last block is complete.
* - Input has zero-length.
* -1 is returned if:
* - Invalid characters are detected.
* - There is extra trailing padding, or data after padding.
* - B64_EOF is detected after an incomplete base64 block.
*/
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,exp_nl;
unsigned char *d;
const unsigned char *in, int inl)
{
int seof = 0, eof = 0, rv = -1, ret = 0, i, v, tmp, n, decoded_len;
unsigned char *d;
n=ctx->num;
d=ctx->enc_data;
ln=ctx->line_num;
exp_nl=ctx->expect_nl;
n = ctx->num;
d = ctx->enc_data;
/* last line of input. */
if ((inl == 0) || ((n == 0) && (conv_ascii2bin(in[0]) == B64_EOF)))
{ rv=0; goto end; }
/* We parse the input data */
for (i=0; i<inl; i++)
{
/* If the current line is > 80 characters, scream alot */
if (ln >= 80) { rv= -1; goto end; }
if (n > 0 && d[n - 1] == '=') {
eof++;
if (n > 1 && d[n - 2] == '=')
eof++;
}
/* Get char and put it into the buffer */
tmp= *(in++);
v=conv_ascii2bin(tmp);
/* only save the good data :-) */
if (!B64_NOT_BASE64(v))
{
OPENSSL_assert(n < (int)sizeof(ctx->enc_data));
d[n++]=tmp;
ln++;
}
else if (v == B64_ERROR)
{
rv= -1;
goto end;
}
/* Legacy behaviour: an empty input chunk signals end of input. */
if (inl == 0) {
rv = 0;
goto end;
}
/* have we seen a '=' which is 'definitly' the last
* input line. seof will point to the character that
* holds it. and eof will hold how many characters to
* chop off. */
if (tmp == '=')
{
if (seof == -1) seof=n;
eof++;
}
for (i = 0; i < inl; i++) {
tmp = *(in++);
v = conv_ascii2bin(tmp);
if (v == B64_ERROR) {
rv = -1;
goto end;
}
if (v == B64_CR)
{
ln = 0;
if (exp_nl)
continue;
}
if (tmp == '=') {
eof++;
} else if (eof > 0 && B64_BASE64(v)) {
/* More data after padding. */
rv = -1;
goto end;
}
/* eoln */
if (v == B64_EOLN)
{
ln=0;
if (exp_nl)
{
exp_nl=0;
continue;
}
}
exp_nl=0;
if (eof > 2) {
rv = -1;
goto end;
}
/* 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) {
seof = 1;
goto tail;
}
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;
if (n > 0)
{
v=EVP_DecodeBlock(out,d,n);
n=0;
if (v < 0) { rv=0; goto end; }
if (eof > v) { rv=-1; goto end; }
ret+=(v-eof);
}
else
{
eof=1;
v=0;
}
/* Only save valid base64 characters. */
if (B64_BASE64(v)) {
if (n >= 64) {
/*
* We increment n once per loop, and empty the buffer as soon as
* we reach 64 characters, so this can only happen if someone's
* manually messed with the ctx. Refuse to write any more data.
*/
rv = -1;
goto end;
}
OPENSSL_assert(n < (int)sizeof(ctx->enc_data));
d[n++] = tmp;
}
/* This is the case where we have had a short
* but valid input line */
if ((v < ctx->length) && eof)
{
rv=0;
goto end;
}
else
ctx->length=v;
if (n == 64) {
decoded_len = EVP_DecodeBlock(out, d, n);
n = 0;
if (decoded_len < 0 || eof > decoded_len) {
rv = -1;
goto end;
}
ret += decoded_len - eof;
out += decoded_len - eof;
}
}
if (seof >= 0) { rv=0; goto end; }
out+=v;
}
}
rv=1;
/*
* Legacy behaviour: if the current line is a full base64-block (i.e., has
* 0 mod 4 base64 characters), it is processed immediately. We keep this
* behaviour as applications may not be calling EVP_DecodeFinal properly.
*/
tail:
if (n > 0) {
if ((n & 3) == 0) {
decoded_len = EVP_DecodeBlock(out, d, n);
n = 0;
if (decoded_len < 0 || eof > decoded_len) {
rv = -1;
goto end;
}
ret += (decoded_len - eof);
} else if (seof) {
/* EOF in the middle of a base64 block. */
rv = -1;
goto end;
}
}
rv = seof || (n == 0 && eof) ? 0 : 1;
end:
*outl=ret;
ctx->num=n;
ctx->line_num=ln;
ctx->expect_nl=exp_nl;
return(rv);
}
/* Legacy behaviour. This should probably rather be zeroed on error. */
*outl = ret;
ctx->num = n;
return (rv);
}
int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n)
{
int i,ret=0,a,b,c,d;
unsigned long l;
{
int i, ret = 0, a, b, c, d;
unsigned long l;
/* trim white space from the start of the line. */
while ((conv_ascii2bin(*f) == B64_WS) && (n > 0))
{
f++;
n--;
}
/* trim white space from the start of the line. */
while ((conv_ascii2bin(*f) == B64_WS) && (n > 0)) {
f++;
n--;
}
/* strip off stuff at the end of the line
* ascii2bin values B64_WS, B64_EOLN, B64_EOLN and B64_EOF */
while ((n > 3) && (B64_NOT_BASE64(conv_ascii2bin(f[n-1]))))
n--;
/*
* strip off stuff at the end of the line ascii2bin values B64_WS,
* B64_EOLN, B64_EOLN and B64_EOF
*/
while ((n > 3) && (B64_NOT_BASE64(conv_ascii2bin(f[n - 1]))))
n--;
if (n%4 != 0) return(-1);
if (n % 4 != 0)
return (-1);
for (i=0; i<n; i+=4)
{
a=conv_ascii2bin(*(f++));
b=conv_ascii2bin(*(f++));
c=conv_ascii2bin(*(f++));
d=conv_ascii2bin(*(f++));
if ( (a & 0x80) || (b & 0x80) ||
(c & 0x80) || (d & 0x80))
return(-1);
l=( (((unsigned long)a)<<18L)|
(((unsigned long)b)<<12L)|
(((unsigned long)c)<< 6L)|
(((unsigned long)d) ));
*(t++)=(unsigned char)(l>>16L)&0xff;
*(t++)=(unsigned char)(l>> 8L)&0xff;
*(t++)=(unsigned char)(l )&0xff;
ret+=3;
}
return(ret);
}
for (i = 0; i < n; i += 4) {
a = conv_ascii2bin(*(f++));
b = conv_ascii2bin(*(f++));
c = conv_ascii2bin(*(f++));
d = conv_ascii2bin(*(f++));
if ((a & 0x80) || (b & 0x80) || (c & 0x80) || (d & 0x80))
return (-1);
l = ((((unsigned long)a) << 18L) |
(((unsigned long)b) << 12L) |
(((unsigned long)c) << 6L) | (((unsigned long)d)));
*(t++) = (unsigned char)(l >> 16L) & 0xff;
*(t++) = (unsigned char)(l >> 8L) & 0xff;
*(t++) = (unsigned char)(l) & 0xff;
ret += 3;
}
return (ret);
}
int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
{
int i;
{
int i;
*outl=0;
if (ctx->num != 0)
{
i=EVP_DecodeBlock(out,ctx->enc_data,ctx->num);
if (i < 0) return(-1);
ctx->num=0;
*outl=i;
return(1);
}
else
return(1);
}
*outl = 0;
if (ctx->num != 0) {
i = EVP_DecodeBlock(out, ctx->enc_data, ctx->num);
if (i < 0)
return (-1);
ctx->num = 0;
*outl = i;
return (1);
} else
return (1);
}
#ifdef undef
int EVP_DecodeValid(unsigned char *buf, int len)
{
int i,num=0,bad=0;
{
int i, num = 0, bad = 0;
if (len == 0) return(-1);
while (conv_ascii2bin(*buf) == B64_WS)
{
buf++;
len--;
if (len == 0) return(-1);
}
if (len == 0)
return (-1);
while (conv_ascii2bin(*buf) == B64_WS) {
buf++;
len--;
if (len == 0)
return (-1);
}
for (i=len; i >= 4; i-=4)
{
if ( (conv_ascii2bin(buf[0]) >= 0x40) ||
(conv_ascii2bin(buf[1]) >= 0x40) ||
(conv_ascii2bin(buf[2]) >= 0x40) ||
(conv_ascii2bin(buf[3]) >= 0x40))
return(-1);
buf+=4;
num+=1+(buf[2] != '=')+(buf[3] != '=');
}
if ((i == 1) && (conv_ascii2bin(buf[0]) == B64_EOLN))
return(num);
if ((i == 2) && (conv_ascii2bin(buf[0]) == B64_EOLN) &&
(conv_ascii2bin(buf[0]) == B64_EOLN))
return(num);
return(1);
}
for (i = len; i >= 4; i -= 4) {
if ((conv_ascii2bin(buf[0]) >= 0x40) ||
(conv_ascii2bin(buf[1]) >= 0x40) ||
(conv_ascii2bin(buf[2]) >= 0x40) ||
(conv_ascii2bin(buf[3]) >= 0x40))
return (-1);
buf += 4;
num += 1 + (buf[2] != '=') + (buf[3] != '=');
}
if ((i == 1) && (conv_ascii2bin(buf[0]) == B64_EOLN))
return (num);
if ((i == 2) && (conv_ascii2bin(buf[0]) == B64_EOLN) &&
(conv_ascii2bin(buf[0]) == B64_EOLN))
return (num);
return (1);
}
#endif