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transmission: build against openssl 1.1.0 

Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
This commit is contained in:
Sebastian Andrzej Siewior 2016-09-05 21:49:07 +00:00
parent 959517da0d
commit f91cf5ad8c
1 changed files with 69 additions and 4 deletions
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73
libtransmission/crypto-utils-openssl.c
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@ -229,6 +229,61 @@ tr_rc4_process (tr_rc4_ctx_t handle,
****
***/
#if OPENSSL_VERSION_NUMBER < 0x10100000
static inline int
DH_set0_pqg (DH * dh,
BIGNUM * p,
BIGNUM * q,
BIGNUM * g)
{
/* If the fields p and g in d are NULL, the corresponding input
* parameters MUST be non-NULL. q may remain NULL.
*/
if ((dh->p == NULL && p == NULL)
|| (dh->g == NULL && g == NULL))
return 0;
if (p != NULL) {
BN_free (dh->p);
dh->p = p;
}
if (q != NULL) {
BN_free (dh->q);
dh->q = q;
}
if (g != NULL) {
BN_free (dh->g);
dh->g = g;
}
if (q != NULL) {
dh->length = BN_num_bits (q);
}
return 1;
}
static inline int
DH_set_length (DH * dh,
long length)
{
dh->length = length;
return 1;
}
static inline void
DH_get0_key(const DH * dh,
const BIGNUM ** pub_key,
const BIGNUM ** priv_key)
{
if (pub_key != NULL)
*pub_key = dh->pub_key;
if (priv_key != NULL)
*priv_key = dh->priv_key;
}
#endif
tr_dh_ctx_t
tr_dh_new (const uint8_t * prime_num,
size_t prime_num_length,
@ -236,13 +291,19 @@ tr_dh_new (const uint8_t * prime_num,
size_t generator_num_length)
{
DH * handle = DH_new ();
BIGNUM * p, * g;
assert (prime_num != NULL);
assert (generator_num != NULL);
p = BN_bin2bn (prime_num, prime_num_length, NULL);
g = BN_bin2bn (generator_num, generator_num_length, NULL);
if (!check_pointer (handle->p = BN_bin2bn (prime_num, prime_num_length, NULL)) ||
!check_pointer (handle->g = BN_bin2bn (generator_num, generator_num_length, NULL)))
if (!check_pointer (p) ||
!check_pointer (g) ||
!DH_set0_pqg (handle, p, NULL, g))
{
BN_free (p);
BN_free (g);
DH_free (handle);
handle = NULL;
}
@ -267,16 +328,20 @@ tr_dh_make_key (tr_dh_ctx_t raw_handle,
{
DH * handle = raw_handle;
int dh_size, my_public_key_length;
const BIGNUM * hand_pub_key;
assert (handle != NULL);
assert (public_key != NULL);
handle->length = private_key_length * 8;
DH_set_length(handle, private_key_length * 8);
if (!check_result (DH_generate_key (handle)))
return false;
my_public_key_length = BN_bn2bin (handle->pub_key, public_key);
DH_get0_key (handle, &hand_pub_key, NULL);
my_public_key_length = BN_bn2bin (hand_pub_key, public_key);
dh_size = DH_size (handle);
tr_dh_align_key (public_key, my_public_key_length, dh_size);