mirror of https://gitee.com/openkylin/openssh.git
109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/*
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* Copyright (c) 2023 Colin Watson. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "includes.h"
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#ifdef GSSAPI
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#include "sshbuf.h"
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#include "ssherr.h"
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#include "sshkey.h"
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static int
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ssh_null_equal(const struct sshkey *a, const struct sshkey *b)
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{
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return 1;
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}
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static int
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ssh_null_serialize_public(const struct sshkey *key, struct sshbuf *b,
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enum sshkey_serialize_rep opts)
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{
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return SSH_ERR_KEY_TYPE_UNKNOWN;
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}
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static int
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ssh_null_deserialize_public(const char *ktype, struct sshbuf *b,
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struct sshkey *key)
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{
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return SSH_ERR_KEY_TYPE_UNKNOWN;
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}
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static int
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ssh_null_serialize_private(const struct sshkey *key, struct sshbuf *b,
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enum sshkey_serialize_rep opts)
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{
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return SSH_ERR_KEY_TYPE_UNKNOWN;
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}
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static int
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ssh_null_deserialize_private(const char *ktype, struct sshbuf *b,
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struct sshkey *key)
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{
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return SSH_ERR_KEY_TYPE_UNKNOWN;
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}
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static int
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ssh_null_copy_public(const struct sshkey *from, struct sshkey *to)
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{
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return SSH_ERR_KEY_TYPE_UNKNOWN;
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}
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static int
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ssh_null_verify(const struct sshkey *key, const u_char *sig, size_t siglen,
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const u_char *data, size_t dlen, const char *alg, u_int compat,
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struct sshkey_sig_details **detailsp)
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{
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return SSH_ERR_KEY_TYPE_UNKNOWN;
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}
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static const struct sshkey_impl_funcs sshkey_null_funcs = {
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/* .size = */ NULL,
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/* .alloc = */ NULL,
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/* .cleanup = */ NULL,
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/* .equal = */ ssh_null_equal,
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/* .ssh_serialize_public = */ ssh_null_serialize_public,
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/* .ssh_deserialize_public = */ ssh_null_deserialize_public,
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/* .ssh_serialize_private = */ ssh_null_serialize_private,
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/* .ssh_deserialize_private = */ ssh_null_deserialize_private,
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/* .generate = */ NULL,
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/* .copy_public = */ ssh_null_copy_public,
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/* .sign = */ NULL,
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/* .verify = */ ssh_null_verify,
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};
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const struct sshkey_impl sshkey_null_impl = {
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/* .name = */ "null",
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/* .shortname = */ "null",
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/* .sigalg = */ NULL,
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/* .type = */ KEY_NULL,
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/* .nid = */ 0,
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/* .cert = */ 0,
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/* .sigonly = */ 0,
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/* .keybits = */ 0,
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/* .funcs = */ &sshkey_null_funcs,
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};
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#endif /* GSSAPI */
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