-/* crypto/asn1/a_type.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * Licensed under the Apache License 2.0 (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 <stdio.h>
-#include "cryptlib.h"
-#include "asn1_mac.h"
-
-/* ASN1err(ASN1_F_D2I_ASN1_BYTES,ASN1_R_WRONG_TAG);
- * ASN1err(ASN1_F_ASN1_COLLATE_PRIMATIVE,ASN1_R_WRONG_TAG);
- */
-
-#ifndef NOPROTO
-static void ASN1_TYPE_component_free(ASN1_TYPE *a);
-#else
-static void ASN1_TYPE_component_free();
-#endif
-
-int i2d_ASN1_TYPE(a,pp)
-ASN1_TYPE *a;
-unsigned char **pp;
- {
- int r=0;
-
- if (a == NULL) return(0);
-
- switch (a->type)
- {
- case V_ASN1_NULL:
- if (pp != NULL)
- ASN1_put_object(pp,0,0,V_ASN1_NULL,V_ASN1_UNIVERSAL);
- r=2;
- break;
- case V_ASN1_INTEGER:
- case V_ASN1_NEG_INTEGER:
- r=i2d_ASN1_INTEGER(a->value.integer,pp);
- break;
- case V_ASN1_BIT_STRING:
- r=i2d_ASN1_BIT_STRING(a->value.bit_string,pp);
- break;
- case V_ASN1_OCTET_STRING:
- r=i2d_ASN1_OCTET_STRING(a->value.octet_string,pp);
- break;
- case V_ASN1_OBJECT:
- r=i2d_ASN1_OBJECT(a->value.object,pp);
- break;
- case V_ASN1_PRINTABLESTRING:
- r=M_i2d_ASN1_PRINTABLESTRING(a->value.printablestring,pp);
- break;
- case V_ASN1_T61STRING:
- r=M_i2d_ASN1_T61STRING(a->value.t61string,pp);
- break;
- case V_ASN1_IA5STRING:
- r=M_i2d_ASN1_IA5STRING(a->value.ia5string,pp);
- break;
- case V_ASN1_GENERALSTRING:
- r=M_i2d_ASN1_GENERALSTRING(a->value.generalstring,pp);
- break;
- case V_ASN1_UNIVERSALSTRING:
- r=M_i2d_ASN1_UNIVERSALSTRING(a->value.universalstring,pp);
- break;
- case V_ASN1_BMPSTRING:
- r=M_i2d_ASN1_BMPSTRING(a->value.bmpstring,pp);
- break;
- case V_ASN1_UTCTIME:
- r=i2d_ASN1_UTCTIME(a->value.utctime,pp);
- break;
- case V_ASN1_SET:
- case V_ASN1_SEQUENCE:
- if (a->value.set == NULL)
- r=0;
- else
- {
- r=a->value.set->length;
- if (pp != NULL)
- {
- memcpy(*pp,a->value.set->data,r);
- *pp+=r;
- }
- }
- break;
- }
- return(r);
- }
-
-ASN1_TYPE *d2i_ASN1_TYPE(a,pp,length)
-ASN1_TYPE **a;
-unsigned char **pp;
-long length;
- {
- ASN1_TYPE *ret=NULL;
- unsigned char *q,*p,*max;
- int inf,tag,xclass;
- long len;
-
- if ((a == NULL) || ((*a) == NULL))
- {
- if ((ret=ASN1_TYPE_new()) == NULL) goto err;
- }
- else
- ret=(*a);
-
- p= *pp;
- q=p;
- max=(p+length);
-
- inf=ASN1_get_object(&q,&len,&tag,&xclass,length);
- if (inf & 0x80) goto err;
-
- ASN1_TYPE_component_free(ret);
-
- switch (tag)
- {
- case V_ASN1_NULL:
- p=q;
- ret->value.ptr=NULL;
- break;
- case V_ASN1_INTEGER:
- if ((ret->value.integer=
- d2i_ASN1_INTEGER(NULL,&p,max-p)) == NULL)
- goto err;
- break;
- case V_ASN1_BIT_STRING:
- if ((ret->value.bit_string=
- d2i_ASN1_BIT_STRING(NULL,&p,max-p)) == NULL)
- goto err;
- break;
- case V_ASN1_OCTET_STRING:
- if ((ret->value.octet_string=
- d2i_ASN1_OCTET_STRING(NULL,&p,max-p)) == NULL)
- goto err;
- break;
- case V_ASN1_OBJECT:
- if ((ret->value.object=
- d2i_ASN1_OBJECT(NULL,&p,max-p)) == NULL)
- goto err;
- break;
- case V_ASN1_PRINTABLESTRING:
- if ((ret->value.printablestring=
- d2i_ASN1_PRINTABLESTRING(NULL,&p,max-p)) == NULL)
- goto err;
- break;
- case V_ASN1_T61STRING:
- if ((ret->value.t61string=
- M_d2i_ASN1_T61STRING(NULL,&p,max-p)) == NULL)
- goto err;
- break;
- case V_ASN1_IA5STRING:
- if ((ret->value.ia5string=
- M_d2i_ASN1_IA5STRING(NULL,&p,max-p)) == NULL)
- goto err;
- break;
- case V_ASN1_GENERALSTRING:
- if ((ret->value.generalstring=
- M_d2i_ASN1_GENERALSTRING(NULL,&p,max-p)) == NULL)
- goto err;
- break;
- case V_ASN1_UNIVERSALSTRING:
- if ((ret->value.universalstring=
- M_d2i_ASN1_UNIVERSALSTRING(NULL,&p,max-p)) == NULL)
- goto err;
- break;
- case V_ASN1_BMPSTRING:
- if ((ret->value.bmpstring=
- M_d2i_ASN1_BMPSTRING(NULL,&p,max-p)) == NULL)
- goto err;
- break;
- case V_ASN1_UTCTIME:
- if ((ret->value.utctime=
- d2i_ASN1_UTCTIME(NULL,&p,max-p)) == NULL)
- goto err;
- break;
- case V_ASN1_SET:
- case V_ASN1_SEQUENCE:
- /* Sets and sequences are left complete */
- if ((ret->value.set=ASN1_STRING_new()) == NULL) goto err;
- ret->value.set->type=tag;
- len+=(q-p);
- if (!ASN1_STRING_set(ret->value.set,p,(int)len)) goto err;
- p+=len;
- break;
- default:
- ASN1err(ASN1_F_D2I_ASN1_TYPE,ASN1_R_BAD_TYPE);
- goto err;
- }
-
- ret->type=tag;
- if (a != NULL) (*a)=ret;
- *pp=p;
- return(ret);
-err:
- if ((ret != NULL) && ((a == NULL) || (*a != ret))) ASN1_TYPE_free(ret);
- return(NULL);
- }
-
-ASN1_TYPE *ASN1_TYPE_new()
- {
- ASN1_TYPE *ret=NULL;
- ASN1_CTX c;
-
- M_ASN1_New_Malloc(ret,ASN1_TYPE);
- ret->type= -1;
- ret->value.ptr=NULL;
- return(ret);
- M_ASN1_New_Error(ASN1_F_ASN1_TYPE_NEW);
- }
-
-void ASN1_TYPE_free(a)
-ASN1_TYPE *a;
- {
- if (a == NULL) return;
- ASN1_TYPE_component_free(a);
- Free((char *)(char *)a);
- }
-
-int ASN1_TYPE_get(a)
-ASN1_TYPE *a;
- {
- if (a->value.ptr != NULL)
- return(a->type);
- else
- return(0);
- }
-
-void ASN1_TYPE_set(a,type,value)
-ASN1_TYPE *a;
-int type;
-char *value;
- {
- if (a->value.ptr != NULL)
- ASN1_TYPE_component_free(a);
- a->type=type;
- a->value.ptr=value;
- }
-
-static void ASN1_TYPE_component_free(a)
-ASN1_TYPE *a;
- {
- if (a == NULL) return;
-
- if (a->value.ptr != NULL)
- {
- switch (a->type)
- {
- case V_ASN1_OBJECT:
- ASN1_OBJECT_free(a->value.object);
- break;
- case V_ASN1_INTEGER:
- case V_ASN1_NEG_INTEGER:
- case V_ASN1_BIT_STRING:
- case V_ASN1_OCTET_STRING:
- case V_ASN1_SEQUENCE:
- case V_ASN1_SET:
- case V_ASN1_NUMERICSTRING:
- case V_ASN1_PRINTABLESTRING:
- case V_ASN1_T61STRING:
- case V_ASN1_VIDEOTEXSTRING:
- case V_ASN1_IA5STRING:
- case V_ASN1_UTCTIME:
- case V_ASN1_GENERALIZEDTIME:
- case V_ASN1_GRAPHICSTRING:
- case V_ASN1_VISIBLESTRING:
- case V_ASN1_GENERALSTRING:
- case V_ASN1_UNIVERSALSTRING:
- case V_ASN1_BMPSTRING:
- ASN1_STRING_free((ASN1_STRING *)a->value.ptr);
- break;
- default:
- /* MEMORY LEAK */
- break;
- }
- a->type=0;
- a->value.ptr=NULL;
- }
- }
-
+#include "internal/cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/objects.h>
+#include "asn1_local.h"
+
+int ASN1_TYPE_get(const ASN1_TYPE *a)
+{
+ if (a->type == V_ASN1_BOOLEAN
+ || a->type == V_ASN1_NULL
+ || a->value.ptr != NULL)
+ return a->type;
+ else
+ return 0;
+}
+
+void ASN1_TYPE_set(ASN1_TYPE *a, int type, void *value)
+{
+ if (a->type != V_ASN1_BOOLEAN
+ && a->type != V_ASN1_NULL
+ && a->value.ptr != NULL) {
+ ASN1_TYPE **tmp_a = &a;
+ ossl_asn1_primitive_free((ASN1_VALUE **)tmp_a, NULL, 0);
+ }
+ a->type = type;
+ if (type == V_ASN1_BOOLEAN)
+ a->value.boolean = value ? 0xff : 0;
+ else
+ a->value.ptr = value;
+}
+
+int ASN1_TYPE_set1(ASN1_TYPE *a, int type, const void *value)
+{
+ if (!value || (type == V_ASN1_BOOLEAN)) {
+ void *p = (void *)value;
+ ASN1_TYPE_set(a, type, p);
+ } else if (type == V_ASN1_OBJECT) {
+ ASN1_OBJECT *odup;
+ odup = OBJ_dup(value);
+ if (!odup)
+ return 0;
+ ASN1_TYPE_set(a, type, odup);
+ } else {
+ ASN1_STRING *sdup;
+ sdup = ASN1_STRING_dup(value);
+ if (!sdup)
+ return 0;
+ ASN1_TYPE_set(a, type, sdup);
+ }
+ return 1;
+}
+
+/* Returns 0 if they are equal, != 0 otherwise. */
+int ASN1_TYPE_cmp(const ASN1_TYPE *a, const ASN1_TYPE *b)
+{
+ int result = -1;
+
+ if (!a || !b || a->type != b->type)
+ return -1;
+
+ switch (a->type) {
+ case V_ASN1_OBJECT:
+ result = OBJ_cmp(a->value.object, b->value.object);
+ break;
+ case V_ASN1_BOOLEAN:
+ result = a->value.boolean - b->value.boolean;
+ break;
+ case V_ASN1_NULL:
+ result = 0; /* They do not have content. */
+ break;
+ case V_ASN1_INTEGER:
+ case V_ASN1_ENUMERATED:
+ case V_ASN1_BIT_STRING:
+ case V_ASN1_OCTET_STRING:
+ case V_ASN1_SEQUENCE:
+ case V_ASN1_SET:
+ case V_ASN1_NUMERICSTRING:
+ case V_ASN1_PRINTABLESTRING:
+ case V_ASN1_T61STRING:
+ case V_ASN1_VIDEOTEXSTRING:
+ case V_ASN1_IA5STRING:
+ case V_ASN1_UTCTIME:
+ case V_ASN1_GENERALIZEDTIME:
+ case V_ASN1_GRAPHICSTRING:
+ case V_ASN1_VISIBLESTRING:
+ case V_ASN1_GENERALSTRING:
+ case V_ASN1_UNIVERSALSTRING:
+ case V_ASN1_BMPSTRING:
+ case V_ASN1_UTF8STRING:
+ case V_ASN1_OTHER:
+ default:
+ result = ASN1_STRING_cmp((ASN1_STRING *)a->value.ptr,
+ (ASN1_STRING *)b->value.ptr);
+ break;
+ }
+
+ return result;
+}
+
+ASN1_TYPE *ASN1_TYPE_pack_sequence(const ASN1_ITEM *it, void *s, ASN1_TYPE **t)
+{
+ ASN1_OCTET_STRING *oct;
+ ASN1_TYPE *rt;
+
+ oct = ASN1_item_pack(s, it, NULL);
+ if (oct == NULL)
+ return NULL;
+
+ if (t && *t) {
+ rt = *t;
+ } else {
+ rt = ASN1_TYPE_new();
+ if (rt == NULL) {
+ ASN1_OCTET_STRING_free(oct);
+ return NULL;
+ }
+ if (t)
+ *t = rt;
+ }
+ ASN1_TYPE_set(rt, V_ASN1_SEQUENCE, oct);
+ return rt;
+}
+
+void *ASN1_TYPE_unpack_sequence(const ASN1_ITEM *it, const ASN1_TYPE *t)
+{
+ if (t == NULL || t->type != V_ASN1_SEQUENCE || t->value.sequence == NULL)
+ return NULL;
+ return ASN1_item_unpack(t->value.sequence, it);
+}