src/usr.bin/ssh/bufaux.c - diff

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Diff for /src/usr.bin/ssh/Attic/bufaux.c between version 1.14 and 1.19

version 1.14, 2000/12/19 23:17:55

version 1.19, 2001/12/19 07:18:56

Line 39

#include "includes.h"

RCSID("$OpenBSD$");

#include "ssh.h"

#include <openssl/bn.h>

#include "bufaux.h"

#include "xmalloc.h"

#include "getput.h"

#include "log.h"

* Stores an BIGNUM in the buffer with a 2-byte msb first bit count, followed

Line 62

oi = BN_bn2bin(value, buf);

if (oi != bin_size)

fatal("buffer_put_bignum: BN_bn2bin() failed: oi %d != bin_size %d",

oi, bin_size);

/* Store the number of bits in the buffer in two bytes, msb first. */

PUT_16BIT(msg, bits);

Line 90

bytes = (bits + 7) / 8;

if (buffer_len(buffer) < bytes)

fatal("buffer_get_bignum: input buffer too small");

bin = (u_char*) buffer_ptr(buffer);

bin = (u_char *) buffer_ptr(buffer);

BN_bin2bn(bin, bytes, value);

buffer_consume(buffer, bytes);

Line 112

oi = BN_bn2bin(value, buf+1);

if (oi != bytes-1)

fatal("buffer_put_bignum: BN_bn2bin() failed: oi %d != bin_size %d",

oi, bytes);

hasnohigh = (buf[1] & 0x80) ? 0 : 1;

if (value->neg) {

/**XXX should be two's-complement */

int i, carry;

u_char *uc = buf;

log("negativ!");

for(i = bytes-1, carry = 1; i>=0; i--) {

for (i = bytes-1, carry = 1; i>=0; i--) {

uc[i] ^= 0xff;

if(carry)

if (carry)

carry = !++uc[i];

}

Line 152

return GET_32BIT(buf);

}

u_int64_t

buffer_get_int64(Buffer *buffer)

{

u_char buf[8];

buffer_get(buffer, (char *) buf, 8);

return GET_64BIT(buf);

}

* Stores an integer in the buffer in 4 bytes, msb first.

Line 161

Line 169

char buf[4];

PUT_32BIT(buf, value);

buffer_append(buffer, buf, 4);

}

void

buffer_put_int64(Buffer *buffer, u_int64_t value)

{

char buf[8];

PUT_64BIT(buf, value);

buffer_append(buffer, buf, 8);

}