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CMP app and app_http_tls_cb(): pick the right TLS hostname (also without port)

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Fixes #20031

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20034)
This commit is contained in:
Dr. David von Oheimb 2023-01-12 10:54:50 +01:00 committed by Hugo Landau
parent e5a054b7fc
commit 30b9a6ec89
2 changed files with 7 additions and 3 deletions
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2
apps/cmp.c
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@ -1952,7 +1952,7 @@ static int setup_client_ctx(OSSL_CMP_CTX *ctx, ENGINE *engine)
if ((info = OPENSSL_zalloc(sizeof(*info))) == NULL)
goto err;
(void)OSSL_CMP_CTX_set_http_cb_arg(ctx, info);
info->server = opt_server;
info->server = host;
info->port = server_port;
/* workaround for callback design flaw, see #17088: */
info->use_proxy = proxy_host != NULL;

8
apps/lib/apps.c
View File

@ -2529,6 +2529,10 @@ BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
if (connect) {
SSL *ssl;
BIO *sbio = NULL;
X509_STORE *ts = SSL_CTX_get_cert_store(ssl_ctx);
X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
const char *host = vpm == NULL ? NULL :
X509_VERIFY_PARAM_get0_host(vpm, 0 /* first hostname */);
/* adapt after fixing callback design flaw, see #17088 */
if ((info->use_proxy
@ -2543,8 +2547,8 @@ BIO *app_http_tls_cb(BIO *bio, void *arg, int connect, int detail)
return NULL;
}
/* adapt after fixing callback design flaw, see #17088 */
SSL_set_tlsext_host_name(ssl, info->server); /* not critical to do */
if (vpm != NULL)
SSL_set_tlsext_host_name(ssl, host /* may be NULL */);
SSL_set_connect_state(ssl);
BIO_set_ssl(sbio, ssl, BIO_CLOSE);