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authorWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
committerWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
commitaa4d426b4d3527d7e166df1a05058c9a4a0f6683 (patch)
tree4ff17ce8b89a2321b9d0ed4bcfc37c447bcb6820 /openssl-1.1.0h/crypto/asn1/tasn_new.c
downloadsmtps-and-pop3s-console-program-master.tar.gz
smtps-and-pop3s-console-program-master.zip
initial/final commitHEADmaster
Diffstat (limited to 'openssl-1.1.0h/crypto/asn1/tasn_new.c')
-rw-r--r--openssl-1.1.0h/crypto/asn1/tasn_new.c348
1 files changed, 348 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/asn1/tasn_new.c b/openssl-1.1.0h/crypto/asn1/tasn_new.c
new file mode 100644
index 0000000..11c8040
--- /dev/null
+++ b/openssl-1.1.0h/crypto/asn1/tasn_new.c
@@ -0,0 +1,348 @@
+/*
+ * 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/objects.h>
+#include <openssl/err.h>
+#include <openssl/asn1t.h>
+#include <string.h>
+#include "asn1_locl.h"
+
+static int asn1_item_embed_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
+ int embed);
+static int asn1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
+ int embed);
+static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it);
+static int asn1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
+static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
+static void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it);
+
+ASN1_VALUE *ASN1_item_new(const ASN1_ITEM *it)
+{
+ ASN1_VALUE *ret = NULL;
+ if (ASN1_item_ex_new(&ret, it) > 0)
+ return ret;
+ return NULL;
+}
+
+/* Allocate an ASN1 structure */
+
+int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
+{
+ return asn1_item_embed_new(pval, it, 0);
+}
+
+int asn1_item_embed_new(ASN1_VALUE **pval, const ASN1_ITEM *it, int embed)
+{
+ const ASN1_TEMPLATE *tt = NULL;
+ const ASN1_EXTERN_FUNCS *ef;
+ const ASN1_AUX *aux = it->funcs;
+ ASN1_aux_cb *asn1_cb;
+ ASN1_VALUE **pseqval;
+ int i;
+ if (aux && aux->asn1_cb)
+ asn1_cb = aux->asn1_cb;
+ else
+ asn1_cb = 0;
+
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ OPENSSL_mem_debug_push(it->sname ? it->sname : "asn1_item_embed_new");
+#endif
+
+ switch (it->itype) {
+
+ case ASN1_ITYPE_EXTERN:
+ ef = it->funcs;
+ if (ef && ef->asn1_ex_new) {
+ if (!ef->asn1_ex_new(pval, it))
+ goto memerr;
+ }
+ break;
+
+ case ASN1_ITYPE_PRIMITIVE:
+ if (it->templates) {
+ if (!asn1_template_new(pval, it->templates))
+ goto memerr;
+ } else if (!asn1_primitive_new(pval, it, embed))
+ goto memerr;
+ break;
+
+ case ASN1_ITYPE_MSTRING:
+ if (!asn1_primitive_new(pval, it, embed))
+ goto memerr;
+ break;
+
+ case ASN1_ITYPE_CHOICE:
+ if (asn1_cb) {
+ i = asn1_cb(ASN1_OP_NEW_PRE, pval, it, NULL);
+ if (!i)
+ goto auxerr;
+ if (i == 2) {
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ OPENSSL_mem_debug_pop();
+#endif
+ return 1;
+ }
+ }
+ if (embed) {
+ memset(*pval, 0, it->size);
+ } else {
+ *pval = OPENSSL_zalloc(it->size);
+ if (*pval == NULL)
+ goto memerr;
+ }
+ asn1_set_choice_selector(pval, -1, it);
+ if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it, NULL))
+ goto auxerr2;
+ break;
+
+ case ASN1_ITYPE_NDEF_SEQUENCE:
+ case ASN1_ITYPE_SEQUENCE:
+ if (asn1_cb) {
+ i = asn1_cb(ASN1_OP_NEW_PRE, pval, it, NULL);
+ if (!i)
+ goto auxerr;
+ if (i == 2) {
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ OPENSSL_mem_debug_pop();
+#endif
+ return 1;
+ }
+ }
+ if (embed) {
+ memset(*pval, 0, it->size);
+ } else {
+ *pval = OPENSSL_zalloc(it->size);
+ if (*pval == NULL)
+ goto memerr;
+ }
+ /* 0 : init. lock */
+ if (asn1_do_lock(pval, 0, it) < 0) {
+ if (!embed) {
+ OPENSSL_free(*pval);
+ *pval = NULL;
+ }
+ goto memerr;
+ }
+ asn1_enc_init(pval, it);
+ for (i = 0, tt = it->templates; i < it->tcount; tt++, i++) {
+ pseqval = asn1_get_field_ptr(pval, tt);
+ if (!asn1_template_new(pseqval, tt))
+ goto memerr2;
+ }
+ if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it, NULL))
+ goto auxerr2;
+ break;
+ }
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ OPENSSL_mem_debug_pop();
+#endif
+ return 1;
+
+ memerr2:
+ asn1_item_embed_free(pval, it, embed);
+ memerr:
+ ASN1err(ASN1_F_ASN1_ITEM_EMBED_NEW, ERR_R_MALLOC_FAILURE);
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ OPENSSL_mem_debug_pop();
+#endif
+ return 0;
+
+ auxerr2:
+ asn1_item_embed_free(pval, it, embed);
+ auxerr:
+ ASN1err(ASN1_F_ASN1_ITEM_EMBED_NEW, ASN1_R_AUX_ERROR);
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ OPENSSL_mem_debug_pop();
+#endif
+ return 0;
+
+}
+
+static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it)
+{
+ const ASN1_EXTERN_FUNCS *ef;
+
+ switch (it->itype) {
+
+ case ASN1_ITYPE_EXTERN:
+ ef = it->funcs;
+ if (ef && ef->asn1_ex_clear)
+ ef->asn1_ex_clear(pval, it);
+ else
+ *pval = NULL;
+ break;
+
+ case ASN1_ITYPE_PRIMITIVE:
+ if (it->templates)
+ asn1_template_clear(pval, it->templates);
+ else
+ asn1_primitive_clear(pval, it);
+ break;
+
+ case ASN1_ITYPE_MSTRING:
+ asn1_primitive_clear(pval, it);
+ break;
+
+ case ASN1_ITYPE_CHOICE:
+ case ASN1_ITYPE_SEQUENCE:
+ case ASN1_ITYPE_NDEF_SEQUENCE:
+ *pval = NULL;
+ break;
+ }
+}
+
+static int asn1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
+{
+ const ASN1_ITEM *it = ASN1_ITEM_ptr(tt->item);
+ int embed = tt->flags & ASN1_TFLG_EMBED;
+ ASN1_VALUE *tval;
+ int ret;
+ if (embed) {
+ tval = (ASN1_VALUE *)pval;
+ pval = &tval;
+ }
+ if (tt->flags & ASN1_TFLG_OPTIONAL) {
+ asn1_template_clear(pval, tt);
+ return 1;
+ }
+ /* If ANY DEFINED BY nothing to do */
+
+ if (tt->flags & ASN1_TFLG_ADB_MASK) {
+ *pval = NULL;
+ return 1;
+ }
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ OPENSSL_mem_debug_push(tt->field_name
+ ? tt->field_name : "asn1_template_new");
+#endif
+ /* If SET OF or SEQUENCE OF, its a STACK */
+ if (tt->flags & ASN1_TFLG_SK_MASK) {
+ STACK_OF(ASN1_VALUE) *skval;
+ skval = sk_ASN1_VALUE_new_null();
+ if (!skval) {
+ ASN1err(ASN1_F_ASN1_TEMPLATE_NEW, ERR_R_MALLOC_FAILURE);
+ ret = 0;
+ goto done;
+ }
+ *pval = (ASN1_VALUE *)skval;
+ ret = 1;
+ goto done;
+ }
+ /* Otherwise pass it back to the item routine */
+ ret = asn1_item_embed_new(pval, it, embed);
+ done:
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ OPENSSL_mem_debug_pop();
+#endif
+ return ret;
+}
+
+static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
+{
+ /* If ADB or STACK just NULL the field */
+ if (tt->flags & (ASN1_TFLG_ADB_MASK | ASN1_TFLG_SK_MASK))
+ *pval = NULL;
+ else
+ asn1_item_clear(pval, ASN1_ITEM_ptr(tt->item));
+}
+
+/*
+ * NB: could probably combine most of the real XXX_new() behaviour and junk
+ * all the old functions.
+ */
+
+static int asn1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
+ int embed)
+{
+ ASN1_TYPE *typ;
+ ASN1_STRING *str;
+ int utype;
+
+ if (!it)
+ return 0;
+
+ if (it->funcs) {
+ const ASN1_PRIMITIVE_FUNCS *pf = it->funcs;
+ if (embed) {
+ if (pf->prim_clear) {
+ pf->prim_clear(pval, it);
+ return 1;
+ }
+ } else if (pf->prim_new) {
+ return pf->prim_new(pval, it);
+ }
+ }
+
+ if (it->itype == ASN1_ITYPE_MSTRING)
+ utype = -1;
+ else
+ utype = it->utype;
+ switch (utype) {
+ case V_ASN1_OBJECT:
+ *pval = (ASN1_VALUE *)OBJ_nid2obj(NID_undef);
+ return 1;
+
+ case V_ASN1_BOOLEAN:
+ *(ASN1_BOOLEAN *)pval = it->size;
+ return 1;
+
+ case V_ASN1_NULL:
+ *pval = (ASN1_VALUE *)1;
+ return 1;
+
+ case V_ASN1_ANY:
+ typ = OPENSSL_malloc(sizeof(*typ));
+ if (typ == NULL)
+ return 0;
+ typ->value.ptr = NULL;
+ typ->type = -1;
+ *pval = (ASN1_VALUE *)typ;
+ break;
+
+ default:
+ if (embed) {
+ str = *(ASN1_STRING **)pval;
+ memset(str, 0, sizeof(*str));
+ str->type = utype;
+ str->flags = ASN1_STRING_FLAG_EMBED;
+ } else {
+ str = ASN1_STRING_type_new(utype);
+ *pval = (ASN1_VALUE *)str;
+ }
+ if (it->itype == ASN1_ITYPE_MSTRING && str)
+ str->flags |= ASN1_STRING_FLAG_MSTRING;
+ break;
+ }
+ if (*pval)
+ return 1;
+ return 0;
+}
+
+static void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it)
+{
+ int utype;
+ if (it && it->funcs) {
+ const ASN1_PRIMITIVE_FUNCS *pf = it->funcs;
+ if (pf->prim_clear)
+ pf->prim_clear(pval, it);
+ else
+ *pval = NULL;
+ return;
+ }
+ if (!it || (it->itype == ASN1_ITYPE_MSTRING))
+ utype = -1;
+ else
+ utype = it->utype;
+ if (utype == V_ASN1_BOOLEAN)
+ *(ASN1_BOOLEAN *)pval = it->size;
+ else
+ *pval = NULL;
+}