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

trunk/3rdparty/openssl-1.1-fit/crypto/asn1/tasn_fre.c

@@ -0,0 +1,208 @@
+/*
+ * Copyright 2000-2016 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 <stddef.h>
+#include <openssl/asn1.h>
+#include <openssl/asn1t.h>
+#include <openssl/objects.h>
+#include "asn1_locl.h"
+
+/* Free up an ASN1 structure */
+
+void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it)
+{
+    asn1_item_embed_free(&val, it, 0);
+}
+
+void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
+{
+    asn1_item_embed_free(pval, it, 0);
+}
+
+void asn1_item_embed_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed)
+{
+    const ASN1_TEMPLATE *tt = NULL, *seqtt;
+    const ASN1_EXTERN_FUNCS *ef;
+    const ASN1_AUX *aux = it->funcs;
+    ASN1_aux_cb *asn1_cb;
+    int i;
+
+    if (!pval)
+        return;
+    if ((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval)
+        return;
+    if (aux && aux->asn1_cb)
+        asn1_cb = aux->asn1_cb;
+    else
+        asn1_cb = 0;
+
+    switch (it->itype) {
+
+    case ASN1_ITYPE_PRIMITIVE:
+        if (it->templates)
+            asn1_template_free(pval, it->templates);
+        else
+            asn1_primitive_free(pval, it, embed);
+        break;
+
+    case ASN1_ITYPE_MSTRING:
+        asn1_primitive_free(pval, it, embed);
+        break;
+
+    case ASN1_ITYPE_CHOICE:
+        if (asn1_cb) {
+            i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL);
+            if (i == 2)
+                return;
+        }
+        i = asn1_get_choice_selector(pval, it);
+        if ((i >= 0) && (i < it->tcount)) {
+            ASN1_VALUE **pchval;
+
+            tt = it->templates + i;
+            pchval = asn1_get_field_ptr(pval, tt);
+            asn1_template_free(pchval, tt);
+        }
+        if (asn1_cb)
+            asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL);
+        if (embed == 0) {
+            OPENSSL_free(*pval);
+            *pval = NULL;
+        }
+        break;
+
+    case ASN1_ITYPE_EXTERN:
+        ef = it->funcs;
+        if (ef && ef->asn1_ex_free)
+            ef->asn1_ex_free(pval, it);
+        break;
+
+    case ASN1_ITYPE_NDEF_SEQUENCE:
+    case ASN1_ITYPE_SEQUENCE:
+        if (asn1_do_lock(pval, -1, it) != 0) /* if error or ref-counter > 0 */
+            return;
+        if (asn1_cb) {
+            i = asn1_cb(ASN1_OP_FREE_PRE, pval, it, NULL);
+            if (i == 2)
+                return;
+        }
+        asn1_enc_free(pval, it);
+        /*
+         * If we free up as normal we will invalidate any ANY DEFINED BY
+         * field and we won't be able to determine the type of the field it
+         * defines. So free up in reverse order.
+         */
+        tt = it->templates + it->tcount;
+        for (i = 0; i < it->tcount; i++) {
+            ASN1_VALUE **pseqval;
+
+            tt--;
+            seqtt = asn1_do_adb(pval, tt, 0);
+            if (!seqtt)
+                continue;
+            pseqval = asn1_get_field_ptr(pval, seqtt);
+            asn1_template_free(pseqval, seqtt);
+        }
+        if (asn1_cb)
+            asn1_cb(ASN1_OP_FREE_POST, pval, it, NULL);
+        if (embed == 0) {
+            OPENSSL_free(*pval);
+            *pval = NULL;
+        }
+        break;
+    }
+}
+
+void asn1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
+{
+    int embed = tt->flags & ASN1_TFLG_EMBED;
+    ASN1_VALUE *tval;
+    if (embed) {
+        tval = (ASN1_VALUE *)pval;
+        pval = &tval;
+    }
+    if (tt->flags & ASN1_TFLG_SK_MASK) {
+        STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval;
+        int i;
+
+        for (i = 0; i < sk_ASN1_VALUE_num(sk); i++) {
+            ASN1_VALUE *vtmp = sk_ASN1_VALUE_value(sk, i);
+
+            asn1_item_embed_free(&vtmp, ASN1_ITEM_ptr(tt->item), embed);
+        }
+        sk_ASN1_VALUE_free(sk);
+        *pval = NULL;
+    } else {
+        asn1_item_embed_free(pval, ASN1_ITEM_ptr(tt->item), embed);
+    }
+}
+
+void asn1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed)
+{
+    int utype;
+
+    /* Special case: if 'it' is a primitive with a free_func, use that. */
+    if (it) {
+        const ASN1_PRIMITIVE_FUNCS *pf = it->funcs;
+
+        if (embed) {
+            if (pf && pf->prim_clear) {
+                pf->prim_clear(pval, it);
+                return;
+            }
+        } else if (pf && pf->prim_free) {
+            pf->prim_free(pval, it);
+            return;
+        }
+    }
+
+    /* Special case: if 'it' is NULL, free contents of ASN1_TYPE */
+    if (!it) {
+        ASN1_TYPE *typ = (ASN1_TYPE *)*pval;
+
+        utype = typ->type;
+        pval = &typ->value.asn1_value;
+        if (!*pval)
+            return;
+    } else if (it->itype == ASN1_ITYPE_MSTRING) {
+        utype = -1;
+        if (!*pval)
+            return;
+    } else {
+        utype = it->utype;
+        if ((utype != V_ASN1_BOOLEAN) && !*pval)
+            return;
+    }
+
+    switch (utype) {
+    case V_ASN1_OBJECT:
+        ASN1_OBJECT_free((ASN1_OBJECT *)*pval);
+        break;
+
+    case V_ASN1_BOOLEAN:
+        if (it)
+            *(ASN1_BOOLEAN *)pval = it->size;
+        else
+            *(ASN1_BOOLEAN *)pval = -1;
+        return;
+
+    case V_ASN1_NULL:
+        break;
+
+    case V_ASN1_ANY:
+        asn1_primitive_free(pval, NULL, 0);
+        OPENSSL_free(*pval);
+        break;
+
+    default:
+        asn1_string_embed_free((ASN1_STRING *)*pval, embed);
+        break;
+    }
+    *pval = NULL;
+}