Import openssh_8.0p1.orig.tar.gz

1 files changed, 0 insertions, 203 deletions

diff --git a/kexecdhs.c b/kexecdhs.c
deleted file mode 100644
index af4f30309..000000000
--- a/kexecdhs.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/* $OpenBSD: kexecdhs.c,v 1.17 2018/02/07 02:06:51 jsing Exp $ */
-/*
- * Copyright (c) 2001 Markus Friedl.  All rights reserved.
- * Copyright (c) 2010 Damien Miller.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 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.
- */
-
-#include "includes.h"
-
-#if defined(WITH_OPENSSL) && defined(OPENSSL_HAS_ECC)
-
-#include <sys/types.h>
-#include <string.h>
-#include <signal.h>
-
-#include <openssl/ecdh.h>
-
-#include "sshkey.h"
-#include "cipher.h"
-#include "digest.h"
-#include "kex.h"
-#include "log.h"
-#include "packet.h"
-#include "ssh2.h"
-
-#include "dispatch.h"
-#include "compat.h"
-#include "ssherr.h"
-#include "sshbuf.h"
-
-static int input_kex_ecdh_init(int, u_int32_t, struct ssh *);
-
-int
-kexecdh_server(struct ssh *ssh)
-{
-        debug("expecting SSH2_MSG_KEX_ECDH_INIT");
-        ssh_dispatch_set(ssh, SSH2_MSG_KEX_ECDH_INIT, &input_kex_ecdh_init);
-        return 0;
-}
-
-static int
-input_kex_ecdh_init(int type, u_int32_t seq, struct ssh *ssh)
-{
-        struct kex *kex = ssh->kex;
-        EC_POINT *client_public;
-        EC_KEY *server_key = NULL;
-        const EC_GROUP *group;
-        const EC_POINT *public_key;
-        BIGNUM *shared_secret = NULL;
-        struct sshkey *server_host_private, *server_host_public;
-        u_char *server_host_key_blob = NULL, *signature = NULL;
-        u_char *kbuf = NULL;
-        u_char hash[SSH_DIGEST_MAX_LENGTH];
-        size_t slen, sbloblen;
-        size_t klen = 0, hashlen;
-        int r;
-
-        if ((server_key = EC_KEY_new_by_curve_name(kex->ec_nid)) == NULL) {
-                r = SSH_ERR_ALLOC_FAIL;
-                goto out;
-        }
-        if (EC_KEY_generate_key(server_key) != 1) {
-                r = SSH_ERR_LIBCRYPTO_ERROR;
-                goto out;
-        }
-        group = EC_KEY_get0_group(server_key);
-
-#ifdef DEBUG_KEXECDH
-        fputs("server private key:\n", stderr);
-        sshkey_dump_ec_key(server_key);
-#endif
-
-        if (kex->load_host_public_key == NULL ||
-            kex->load_host_private_key == NULL) {
-                r = SSH_ERR_INVALID_ARGUMENT;
-                goto out;
-        }
-        server_host_public = kex->load_host_public_key(kex->hostkey_type,
-            kex->hostkey_nid, ssh);
-        server_host_private = kex->load_host_private_key(kex->hostkey_type,
-            kex->hostkey_nid, ssh);
-        if (server_host_public == NULL) {
-                r = SSH_ERR_NO_HOSTKEY_LOADED;
-                goto out;
-        }
-        if ((client_public = EC_POINT_new(group)) == NULL) {
-                r = SSH_ERR_ALLOC_FAIL;
-                goto out;
-        }
-        if ((r = sshpkt_get_ec(ssh, client_public, group)) != 0 ||
-            (r = sshpkt_get_end(ssh)) != 0)
-                goto out;
-
-#ifdef DEBUG_KEXECDH
-        fputs("client public key:\n", stderr);
-        sshkey_dump_ec_point(group, client_public);
-#endif
-        if (sshkey_ec_validate_public(group, client_public) != 0) {
-                sshpkt_disconnect(ssh, "invalid client public key");
-                r = SSH_ERR_MESSAGE_INCOMPLETE;
-                goto out;
-        }
-
-        /* Calculate shared_secret */
-        klen = (EC_GROUP_get_degree(group) + 7) / 8;
-        if ((kbuf = malloc(klen)) == NULL ||
-            (shared_secret = BN_new()) == NULL) {
-                r = SSH_ERR_ALLOC_FAIL;
-                goto out;
-        }
-        if (ECDH_compute_key(kbuf, klen, client_public,
-            server_key, NULL) != (int)klen ||
-            BN_bin2bn(kbuf, klen, shared_secret) == NULL) {
-                r = SSH_ERR_LIBCRYPTO_ERROR;
-                goto out;
-        }
-
-#ifdef DEBUG_KEXECDH
-        dump_digest("shared secret", kbuf, klen);
-#endif
-        /* calc H */
-        if ((r = sshkey_to_blob(server_host_public, &server_host_key_blob,
-            &sbloblen)) != 0)
-                goto out;
-        hashlen = sizeof(hash);
-        if ((r = kex_ecdh_hash(
-            kex->hash_alg,
-            group,
-            kex->client_version_string,
-            kex->server_version_string,
-            sshbuf_ptr(kex->peer), sshbuf_len(kex->peer),
-            sshbuf_ptr(kex->my), sshbuf_len(kex->my),
-            server_host_key_blob, sbloblen,
-            client_public,
-            EC_KEY_get0_public_key(server_key),
-            shared_secret,
-            hash, &hashlen)) != 0)
-                goto out;
-
-        /* save session id := H */
-        if (kex->session_id == NULL) {
-                kex->session_id_len = hashlen;
-                kex->session_id = malloc(kex->session_id_len);
-                if (kex->session_id == NULL) {
-                        r = SSH_ERR_ALLOC_FAIL;
-                        goto out;
-                }
-                memcpy(kex->session_id, hash, kex->session_id_len);
-        }
-
-        /* sign H */
-        if ((r = kex->sign(server_host_private, server_host_public, &signature,
-             &slen, hash, hashlen, kex->hostkey_alg, ssh->compat)) < 0)
-                goto out;
-
-        /* destroy_sensitive_data(); */
-
-        public_key = EC_KEY_get0_public_key(server_key);
-        /* send server hostkey, ECDH pubkey 'Q_S' and signed H */
-        if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_ECDH_REPLY)) != 0 ||
-            (r = sshpkt_put_string(ssh, server_host_key_blob, sbloblen)) != 0 ||
-            (r = sshpkt_put_ec(ssh, public_key, group)) != 0 ||
-            (r = sshpkt_put_string(ssh, signature, slen)) != 0 ||
-            (r = sshpkt_send(ssh)) != 0)
-                goto out;
-
-        if ((r = kex_derive_keys_bn(ssh, hash, hashlen, shared_secret)) == 0)
-                r = kex_send_newkeys(ssh);
- out:
-        explicit_bzero(hash, sizeof(hash));
-        EC_KEY_free(kex->ec_client_key);
-        kex->ec_client_key = NULL;
-        EC_KEY_free(server_key);
-        if (kbuf) {
-                explicit_bzero(kbuf, klen);
-                free(kbuf);
-        }
-        BN_clear_free(shared_secret);
-        free(server_host_key_blob);
-        free(signature);
-        return r;
-}
-#endif /* defined(WITH_OPENSSL) && defined(OPENSSL_HAS_ECC) */
-