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kex: use runtime callbacks (server)

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Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Aris Adamantiadis
2015-12-23 12:50:00 +01:00
committed by Andreas Schneider
parent 602a1defea
commit e42a423a24
11 changed files with 299 additions and 178 deletions
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32
src/wrapper.c
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@@ -48,6 +48,9 @@
#include "libssh/wrapper.h"
#include "libssh/pki.h"
#include "libssh/poly1305.h"
#include "libssh/dh.h"
#include "libssh/ecdh.h"
#include "libssh/curve25519.h"
static struct ssh_hmac_struct ssh_hmac_tab[] = {
{ "hmac-sha1", SSH_HMAC_SHA1 },
@@ -530,6 +533,35 @@ int crypt_set_algorithms_server(ssh_session session){
method = session->next_crypto->kex_methods[SSH_HOSTKEYS];
session->srv.hostkey = ssh_key_type_from_signature_name(method);
/* setup DH key exchange type */
switch (session->next_crypto->kex_type) {
case SSH_KEX_DH_GROUP1_SHA1:
case SSH_KEX_DH_GROUP14_SHA1:
case SSH_KEX_DH_GROUP16_SHA512:
case SSH_KEX_DH_GROUP18_SHA512:
ssh_server_dh_init(session);
break;
#ifdef HAVE_ECDH
case SSH_KEX_ECDH_SHA2_NISTP256:
case SSH_KEX_ECDH_SHA2_NISTP384:
case SSH_KEX_ECDH_SHA2_NISTP521:
ssh_server_ecdh_init(session);
break;
#endif
#ifdef HAVE_CURVE25519
case SSH_KEX_CURVE25519_SHA256:
case SSH_KEX_CURVE25519_SHA256_LIBSSH_ORG:
ssh_server_curve25519_init(session);
break;
#endif
default:
ssh_set_error(session,
SSH_FATAL,
"crypt_set_algorithms_server: could not find init "
"handler for kex type %d",
session->next_crypto->kex_type);
return SSH_ERROR;
}
return SSH_OK;
}