version 1.17.4.3, 2002/05/17 00:03:23 |
version 1.17.4.4, 2002/06/26 18:22:34 |
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bits = GET_16BIT(buf); |
bits = GET_16BIT(buf); |
/* Compute the number of binary bytes that follow. */ |
/* Compute the number of binary bytes that follow. */ |
bytes = (bits + 7) / 8; |
bytes = (bits + 7) / 8; |
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if (bytes > 8 * 1024) |
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fatal("buffer_get_bignum: cannot handle BN of size %d", bytes); |
if (buffer_len(buffer) < bytes) |
if (buffer_len(buffer) < bytes) |
fatal("buffer_get_bignum: input buffer too small"); |
fatal("buffer_get_bignum: input buffer too small"); |
bin = buffer_ptr(buffer); |
bin = buffer_ptr(buffer); |
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u_char *buf = xmalloc(bytes); |
u_char *buf = xmalloc(bytes); |
int oi; |
int oi; |
int hasnohigh = 0; |
int hasnohigh = 0; |
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buf[0] = '\0'; |
buf[0] = '\0'; |
/* Get the value of in binary */ |
/* Get the value of in binary */ |
oi = BN_bn2bin(value, buf+1); |
oi = BN_bn2bin(value, buf+1); |
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xfree(buf); |
xfree(buf); |
} |
} |
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/* XXX does not handle negative BNs */ |
void |
void |
buffer_get_bignum2(Buffer *buffer, BIGNUM *value) |
buffer_get_bignum2(Buffer *buffer, BIGNUM *value) |
{ |
{ |
/**XXX should be two's-complement */ |
u_int len; |
int len; |
u_char *bin = buffer_get_string(buffer, &len); |
u_char *bin = buffer_get_string(buffer, (u_int *)&len); |
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if (len > 8 * 1024) |
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fatal("buffer_get_bignum2: cannot handle BN of size %d", len); |
BN_bin2bn(bin, len, value); |
BN_bin2bn(bin, len, value); |
xfree(bin); |
xfree(bin); |
} |
} |
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buffer_get_short(Buffer *buffer) |
buffer_get_short(Buffer *buffer) |
{ |
{ |
u_char buf[2]; |
u_char buf[2]; |
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buffer_get(buffer, (char *) buf, 2); |
buffer_get(buffer, (char *) buf, 2); |
return GET_16BIT(buf); |
return GET_16BIT(buf); |
} |
} |
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buffer_get_int(Buffer *buffer) |
buffer_get_int(Buffer *buffer) |
{ |
{ |
u_char buf[4]; |
u_char buf[4]; |
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buffer_get(buffer, (char *) buf, 4); |
buffer_get(buffer, (char *) buf, 4); |
return GET_32BIT(buf); |
return GET_32BIT(buf); |
} |
} |
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buffer_get_int64(Buffer *buffer) |
buffer_get_int64(Buffer *buffer) |
{ |
{ |
u_char buf[8]; |
u_char buf[8]; |
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buffer_get(buffer, (char *) buf, 8); |
buffer_get(buffer, (char *) buf, 8); |
return GET_64BIT(buf); |
return GET_64BIT(buf); |
} |
} |
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buffer_put_short(Buffer *buffer, u_short value) |
buffer_put_short(Buffer *buffer, u_short value) |
{ |
{ |
char buf[2]; |
char buf[2]; |
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PUT_16BIT(buf, value); |
PUT_16BIT(buf, value); |
buffer_append(buffer, buf, 2); |
buffer_append(buffer, buf, 2); |
} |
} |
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buffer_put_int(Buffer *buffer, u_int value) |
buffer_put_int(Buffer *buffer, u_int value) |
{ |
{ |
char buf[4]; |
char buf[4]; |
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PUT_32BIT(buf, value); |
PUT_32BIT(buf, value); |
buffer_append(buffer, buf, 4); |
buffer_append(buffer, buf, 4); |
} |
} |
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buffer_put_int64(Buffer *buffer, u_int64_t value) |
buffer_put_int64(Buffer *buffer, u_int64_t value) |
{ |
{ |
char buf[8]; |
char buf[8]; |
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PUT_64BIT(buf, value); |
PUT_64BIT(buf, value); |
buffer_append(buffer, buf, 8); |
buffer_append(buffer, buf, 8); |
} |
} |
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void * |
void * |
buffer_get_string(Buffer *buffer, u_int *length_ptr) |
buffer_get_string(Buffer *buffer, u_int *length_ptr) |
{ |
{ |
u_int len; |
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u_char *value; |
u_char *value; |
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u_int len; |
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/* Get the length. */ |
/* Get the length. */ |
len = buffer_get_int(buffer); |
len = buffer_get_int(buffer); |
if (len > 256 * 1024) |
if (len > 256 * 1024) |
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buffer_get_char(Buffer *buffer) |
buffer_get_char(Buffer *buffer) |
{ |
{ |
char ch; |
char ch; |
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buffer_get(buffer, &ch, 1); |
buffer_get(buffer, &ch, 1); |
return (u_char) ch; |
return (u_char) ch; |
} |
} |
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buffer_put_char(Buffer *buffer, int value) |
buffer_put_char(Buffer *buffer, int value) |
{ |
{ |
char ch = value; |
char ch = value; |
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buffer_append(buffer, &ch, 1); |
buffer_append(buffer, &ch, 1); |
} |
} |