69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/* $OpenBSD: tls_lib.c,v 1.3 2022/11/26 16:08:56 tb Exp $ */
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/*
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* Copyright (c) 2019, 2021 Joel Sing <jsing@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "ssl_local.h"
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int
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tls_process_peer_certs(SSL *s, STACK_OF(X509) *peer_certs)
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{
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STACK_OF(X509) *peer_certs_no_leaf;
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X509 *peer_cert = NULL;
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EVP_PKEY *pkey;
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int cert_type;
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int ret = 0;
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if (sk_X509_num(peer_certs) < 1)
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goto err;
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peer_cert = sk_X509_value(peer_certs, 0);
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X509_up_ref(peer_cert);
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if ((pkey = X509_get0_pubkey(peer_cert)) == NULL) {
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SSLerror(s, SSL_R_NO_PUBLICKEY);
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goto err;
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}
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if (EVP_PKEY_missing_parameters(pkey)) {
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SSLerror(s, SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS);
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goto err;
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}
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if ((cert_type = ssl_cert_type(pkey)) < 0) {
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SSLerror(s, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
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goto err;
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}
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s->session->peer_cert_type = cert_type;
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X509_free(s->session->peer_cert);
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s->session->peer_cert = peer_cert;
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peer_cert = NULL;
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sk_X509_pop_free(s->s3->hs.peer_certs, X509_free);
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if ((s->s3->hs.peer_certs = X509_chain_up_ref(peer_certs)) == NULL)
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goto err;
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if ((peer_certs_no_leaf = X509_chain_up_ref(peer_certs)) == NULL)
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goto err;
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X509_free(sk_X509_shift(peer_certs_no_leaf));
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sk_X509_pop_free(s->s3->hs.peer_certs_no_leaf, X509_free);
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s->s3->hs.peer_certs_no_leaf = peer_certs_no_leaf;
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ret = 1;
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err:
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X509_free(peer_cert);
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return ret;
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}
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