Upgrade openssl from 1.1.0e to 1.1.1b, with source code. 4.0.78

trunk/3rdparty/openssl-1.1-fit/crypto/engine/eng_cnf.c

@@ -0,0 +1,192 @@
+/*
+ * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include "eng_int.h"
+#include <openssl/conf.h>
+
+/* #define ENGINE_CONF_DEBUG */
+
+/* ENGINE config module */
+
+static const char *skip_dot(const char *name)
+{
+    const char *p = strchr(name, '.');
+
+    if (p != NULL)
+        return p + 1;
+    return name;
+}
+
+static STACK_OF(ENGINE) *initialized_engines = NULL;
+
+static int int_engine_init(ENGINE *e)
+{
+    if (!ENGINE_init(e))
+        return 0;
+    if (!initialized_engines)
+        initialized_engines = sk_ENGINE_new_null();
+    if (!initialized_engines || !sk_ENGINE_push(initialized_engines, e)) {
+        ENGINE_finish(e);
+        return 0;
+    }
+    return 1;
+}
+
+static int int_engine_configure(const char *name, const char *value, const CONF *cnf)
+{
+    int i;
+    int ret = 0;
+    long do_init = -1;
+    STACK_OF(CONF_VALUE) *ecmds;
+    CONF_VALUE *ecmd = NULL;
+    const char *ctrlname, *ctrlvalue;
+    ENGINE *e = NULL;
+    int soft = 0;
+
+    name = skip_dot(name);
+#ifdef ENGINE_CONF_DEBUG
+    fprintf(stderr, "Configuring engine %s\n", name);
+#endif
+    /* Value is a section containing ENGINE commands */
+    ecmds = NCONF_get_section(cnf, value);
+
+    if (!ecmds) {
+        ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE,
+                  ENGINE_R_ENGINE_SECTION_ERROR);
+        return 0;
+    }
+
+    for (i = 0; i < sk_CONF_VALUE_num(ecmds); i++) {
+        ecmd = sk_CONF_VALUE_value(ecmds, i);
+        ctrlname = skip_dot(ecmd->name);
+        ctrlvalue = ecmd->value;
+#ifdef ENGINE_CONF_DEBUG
+        fprintf(stderr, "ENGINE conf: doing ctrl(%s,%s)\n", ctrlname,
+                ctrlvalue);
+#endif
+
+        /* First handle some special pseudo ctrls */
+
+        /* Override engine name to use */
+        if (strcmp(ctrlname, "engine_id") == 0)
+            name = ctrlvalue;
+        else if (strcmp(ctrlname, "soft_load") == 0)
+            soft = 1;
+        /* Load a dynamic ENGINE */
+        else if (strcmp(ctrlname, "dynamic_path") == 0) {
+            e = ENGINE_by_id("dynamic");
+            if (!e)
+                goto err;
+            if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", ctrlvalue, 0))
+                goto err;
+            if (!ENGINE_ctrl_cmd_string(e, "LIST_ADD", "2", 0))
+                goto err;
+            if (!ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
+                goto err;
+        }
+        /* ... add other pseudos here ... */
+        else {
+            /*
+             * At this point we need an ENGINE structural reference if we
+             * don't already have one.
+             */
+            if (!e) {
+                e = ENGINE_by_id(name);
+                if (!e && soft) {
+                    ERR_clear_error();
+                    return 1;
+                }
+                if (!e)
+                    goto err;
+            }
+            /*
+             * Allow "EMPTY" to mean no value: this allows a valid "value" to
+             * be passed to ctrls of type NO_INPUT
+             */
+            if (strcmp(ctrlvalue, "EMPTY") == 0)
+                ctrlvalue = NULL;
+            if (strcmp(ctrlname, "init") == 0) {
+                if (!NCONF_get_number_e(cnf, value, "init", &do_init))
+                    goto err;
+                if (do_init == 1) {
+                    if (!int_engine_init(e))
+                        goto err;
+                } else if (do_init != 0) {
+                    ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE,
+                              ENGINE_R_INVALID_INIT_VALUE);
+                    goto err;
+                }
+            } else if (strcmp(ctrlname, "default_algorithms") == 0) {
+                if (!ENGINE_set_default_string(e, ctrlvalue))
+                    goto err;
+            } else if (!ENGINE_ctrl_cmd_string(e, ctrlname, ctrlvalue, 0))
+                goto err;
+        }
+
+    }
+    if (e && (do_init == -1) && !int_engine_init(e)) {
+        ecmd = NULL;
+        goto err;
+    }
+    ret = 1;
+ err:
+    if (ret != 1) {
+        ENGINEerr(ENGINE_F_INT_ENGINE_CONFIGURE,
+                  ENGINE_R_ENGINE_CONFIGURATION_ERROR);
+        if (ecmd)
+            ERR_add_error_data(6, "section=", ecmd->section,
+                               ", name=", ecmd->name,
+                               ", value=", ecmd->value);
+    }
+    ENGINE_free(e);
+    return ret;
+}
+
+static int int_engine_module_init(CONF_IMODULE *md, const CONF *cnf)
+{
+    STACK_OF(CONF_VALUE) *elist;
+    CONF_VALUE *cval;
+    int i;
+#ifdef ENGINE_CONF_DEBUG
+    fprintf(stderr, "Called engine module: name %s, value %s\n",
+            CONF_imodule_get_name(md), CONF_imodule_get_value(md));
+#endif
+    /* Value is a section containing ENGINEs to configure */
+    elist = NCONF_get_section(cnf, CONF_imodule_get_value(md));
+
+    if (!elist) {
+        ENGINEerr(ENGINE_F_INT_ENGINE_MODULE_INIT,
+                  ENGINE_R_ENGINES_SECTION_ERROR);
+        return 0;
+    }
+
+    for (i = 0; i < sk_CONF_VALUE_num(elist); i++) {
+        cval = sk_CONF_VALUE_value(elist, i);
+        if (!int_engine_configure(cval->name, cval->value, cnf))
+            return 0;
+    }
+
+    return 1;
+}
+
+static void int_engine_module_finish(CONF_IMODULE *md)
+{
+    ENGINE *e;
+
+    while ((e = sk_ENGINE_pop(initialized_engines)))
+        ENGINE_finish(e);
+    sk_ENGINE_free(initialized_engines);
+    initialized_engines = NULL;
+}
+
+void ENGINE_add_conf_module(void)
+{
+    CONF_module_add("engines",
+                    int_engine_module_init, int_engine_module_finish);
+}