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apache2/apache2-load-private-keys-from-pkcs11.patch
Petr Gajdos d02034ac51 - load private keys and certificates from pkcs11 token [SLE-7653] 
- added patches
  load certificates from openssl engine
  + apache2-load-certificates-from-pkcs11.patch
  load private keys from openssl engine
  + apache2-load-private-keys-from-pkcs11.patch

OBS-URL: https://build.opensuse.org/package/show/Apache/apache2?expand=0&rev=590
2019-10-22 07:02:02 +00:00

162 lines
6.3 KiB
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Index: httpd-2.4.41/modules/ssl/ssl_engine_config.c
===================================================================
--- httpd-2.4.41.orig/modules/ssl/ssl_engine_config.c 2018-10-18 12:06:37.000000000 +0200
+++ httpd-2.4.41/modules/ssl/ssl_engine_config.c 2019-10-21 21:20:32.102340905 +0200
@@ -932,7 +932,9 @@ const char *ssl_cmd_SSLCertificateKeyFil
SSLSrvConfigRec *sc = mySrvConfig(cmd->server);
const char *err;
- if ((err = ssl_cmd_check_file(cmd, &arg))) {
+ /* Check keyfile exists for non-ENGINE keys. */
+ if (!modssl_is_engine_key(arg)
+ && (err = ssl_cmd_check_file(cmd, &arg))) {
return err;
}
Index: httpd-2.4.41/modules/ssl/ssl_engine_init.c
===================================================================
--- httpd-2.4.41.orig/modules/ssl/ssl_engine_init.c 2019-08-06 14:16:14.000000000 +0200
+++ httpd-2.4.41/modules/ssl/ssl_engine_init.c 2019-10-21 21:20:32.102340905 +0200
@@ -1247,6 +1247,8 @@ static apr_status_t ssl_init_server_cert
(certfile = APR_ARRAY_IDX(mctx->pks->cert_files, i,
const char *));
i++) {
+ EVP_PKEY *pkey;
+
key_id = apr_psprintf(ptemp, "%s:%d", vhost_id, i);
ERR_clear_error();
@@ -1281,12 +1283,26 @@ static apr_status_t ssl_init_server_cert
ERR_clear_error();
- if ((SSL_CTX_use_PrivateKey_file(mctx->ssl_ctx, keyfile,
- SSL_FILETYPE_PEM) < 1) &&
- (ERR_GET_FUNC(ERR_peek_last_error())
- != X509_F_X509_CHECK_PRIVATE_KEY)) {
+ if (modssl_is_engine_key(keyfile)) {
+ apr_status_t rv;
+
+ if ((rv = modssl_load_engine_pkey(s, ptemp, keyfile, &pkey))) {
+ return rv;
+ }
+
+ if (SSL_CTX_use_PrivateKey(mctx->ssl_ctx, pkey) < 1) {
+ ap_log_error(APLOG_MARK, APLOG_EMERG, 0, s, APLOGNO(10130)
+ "Failed to configure private key %s from engine",
+ keyfile);
+ ssl_log_ssl_error(SSLLOG_MARK, APLOG_EMERG, s);
+ return APR_EGENERAL;
+ }
+ }
+ else if ((SSL_CTX_use_PrivateKey_file(mctx->ssl_ctx, keyfile,
+ SSL_FILETYPE_PEM) < 1)
+ && (ERR_GET_FUNC(ERR_peek_last_error())
+ != X509_F_X509_CHECK_PRIVATE_KEY)) {
ssl_asn1_t *asn1;
- EVP_PKEY *pkey;
const unsigned char *ptr;
ERR_clear_error();
Index: httpd-2.4.41/modules/ssl/ssl_engine_pphrase.c
===================================================================
--- httpd-2.4.41.orig/modules/ssl/ssl_engine_pphrase.c 2018-12-11 15:14:40.000000000 +0100
+++ httpd-2.4.41/modules/ssl/ssl_engine_pphrase.c 2019-10-21 21:20:32.102340905 +0200
@@ -614,3 +614,52 @@ int ssl_pphrase_Handle_CB(char *buf, int
*/
return (len);
}
+
+#if defined(HAVE_OPENSSL_ENGINE_H) && defined(HAVE_ENGINE_INIT)
+apr_status_t modssl_load_engine_pkey(server_rec *s, apr_pool_t *p,
+ const char *keyid, EVP_PKEY **ppkey)
+{
+ SSLModConfigRec *mc = myModConfig(s);
+ EVP_PKEY *pPrivateKey = NULL;
+ ENGINE *e;
+ UI_METHOD *ui_method;
+
+ if (!mc->szCryptoDevice) {
+ ap_log_error(APLOG_MARK, APLOG_EMERG, 0, s, APLOGNO(10131)
+ "Init: Cannot load private key `%s' without engine",
+ keyid);
+ return ssl_die(s);
+ }
+
+ /*
+ * Using the builtin OpenSSL UI only, for now...
+ */
+ ui_method = UI_OpenSSL();
+
+ if (!(e = ENGINE_by_id(mc->szCryptoDevice))) {
+ ap_log_error(APLOG_MARK, APLOG_EMERG, 0, s, APLOGNO(10132)
+ "Init: Failed to load Crypto Device API `%s'",
+ mc->szCryptoDevice);
+ ssl_log_ssl_error(SSLLOG_MARK, APLOG_EMERG, s);
+ return ssl_die(s);
+ }
+
+ if (APLOGdebug(s)) {
+ ENGINE_ctrl_cmd_string(e, "VERBOSE", NULL, 0);
+ }
+
+ pPrivateKey = ENGINE_load_private_key(e, keyid, ui_method, NULL);
+ if (pPrivateKey == NULL) {
+ ap_log_error(APLOG_MARK, APLOG_EMERG, 0, s, APLOGNO(10133)
+ "Init: Unable to get the private key");
+ ssl_log_ssl_error(SSLLOG_MARK, APLOG_EMERG, s);
+ return ssl_die(s);
+ }
+
+ *ppkey = pPrivateKey;
+
+ ENGINE_free(e);
+
+ return APR_SUCCESS;
+}
+#endif
Index: httpd-2.4.41/modules/ssl/ssl_private.h
===================================================================
--- httpd-2.4.41.orig/modules/ssl/ssl_private.h 2018-11-23 16:10:24.000000000 +0100
+++ httpd-2.4.41/modules/ssl/ssl_private.h 2019-10-21 21:20:32.102340905 +0200
@@ -1001,6 +1001,10 @@ BOOL ssl_util_vhost_matches(cons
/** Pass Phrase Support */
apr_status_t ssl_load_encrypted_pkey(server_rec *, apr_pool_t *, int,
const char *, apr_array_header_t **);
+/* Load private key from the configured ENGINE, returned as **pkey.
+ * Errors logged on failure. */
+apr_status_t modssl_load_engine_pkey(server_rec *s, apr_pool_t *p,
+ const char *keyid, EVP_PKEY **ppkey);
/** Diffie-Hellman Parameter Support */
DH *ssl_dh_GetParamFromFile(const char *);
@@ -1106,6 +1110,10 @@ DH *modssl_get_dh_params(unsigned keylen
* corresponding SSLConnRec structure for the connection. */
int modssl_request_is_tls(const request_rec *r, SSLConnRec **sslconn);
+/* Returns non-zero if the cert/key filename should be handled through
+ * the configure ENGINE. */
+int modssl_is_engine_key(const char *name);
+
int ssl_is_challenge(conn_rec *c, const char *servername,
X509 **pcert, EVP_PKEY **pkey);
Index: httpd-2.4.41/modules/ssl/ssl_util.c
===================================================================
--- httpd-2.4.41.orig/modules/ssl/ssl_util.c 2018-11-23 16:10:24.000000000 +0100
+++ httpd-2.4.41/modules/ssl/ssl_util.c 2019-10-21 21:20:32.106340927 +0200
@@ -480,3 +480,13 @@ void ssl_util_thread_id_setup(apr_pool_t
}
#endif /* #if APR_HAS_THREADS && MODSSL_USE_OPENSSL_PRE_1_1_API */
+
+int modssl_is_engine_key(const char *name)
+{
+#if defined(HAVE_OPENSSL_ENGINE_H) && defined(HAVE_ENGINE_INIT)
+ /* ### Can handle any other special ENGINE key names here? */
+ return strncmp(name, "pkcs11:", 7) == 0;
+#else
+ return 0;
+#endif
+}
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