Fix some error path logic in i2v_AUTHORITY_INFO_ACCESS and i2v_GENERAL_NAME
[openssl.git] / crypto / x509v3 / v3_genn.c
index d2804c3353b946491eea11390abaf63756e2b33e..8d1199748c8653841799dc6e844e5deeac4d3d2a 100644 (file)
-/* v3_genn.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
- *
- * 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 above 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 acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 1999-2016 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 <stdio.h>
-#include "cryptlib.h"
-#include "asn1.h"
-#include "asn1_mac.h"
-#include "conf.h"
-#include "x509v3.h"
-
-/*
- * ASN1err(ASN1_F_GENERAL_NAME_NEW,ERR_R_MALLOC_FAILURE);
- * ASN1err(ASN1_F_D2I_GENERAL_NAME,ERR_R_MALLOC_FAILURE);
- */
-
-int i2d_GENERAL_NAME(GENERAL_NAME *a, unsigned char **pp)
+#include "internal/cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/conf.h>
+#include <openssl/x509v3.h>
+
+ASN1_SEQUENCE(OTHERNAME) = {
+        ASN1_SIMPLE(OTHERNAME, type_id, ASN1_OBJECT),
+        /* Maybe have a true ANY DEFINED BY later */
+        ASN1_EXP(OTHERNAME, value, ASN1_ANY, 0)
+} ASN1_SEQUENCE_END(OTHERNAME)
+
+IMPLEMENT_ASN1_FUNCTIONS(OTHERNAME)
+
+ASN1_SEQUENCE(EDIPARTYNAME) = {
+        ASN1_IMP_OPT(EDIPARTYNAME, nameAssigner, DIRECTORYSTRING, 0),
+        ASN1_IMP_OPT(EDIPARTYNAME, partyName, DIRECTORYSTRING, 1)
+} ASN1_SEQUENCE_END(EDIPARTYNAME)
+
+IMPLEMENT_ASN1_FUNCTIONS(EDIPARTYNAME)
+
+ASN1_CHOICE(GENERAL_NAME) = {
+        ASN1_IMP(GENERAL_NAME, d.otherName, OTHERNAME, GEN_OTHERNAME),
+        ASN1_IMP(GENERAL_NAME, d.rfc822Name, ASN1_IA5STRING, GEN_EMAIL),
+        ASN1_IMP(GENERAL_NAME, d.dNSName, ASN1_IA5STRING, GEN_DNS),
+        /* Don't decode this */
+        ASN1_IMP(GENERAL_NAME, d.x400Address, ASN1_SEQUENCE, GEN_X400),
+        /* X509_NAME is a CHOICE type so use EXPLICIT */
+        ASN1_EXP(GENERAL_NAME, d.directoryName, X509_NAME, GEN_DIRNAME),
+        ASN1_IMP(GENERAL_NAME, d.ediPartyName, EDIPARTYNAME, GEN_EDIPARTY),
+        ASN1_IMP(GENERAL_NAME, d.uniformResourceIdentifier, ASN1_IA5STRING, GEN_URI),
+        ASN1_IMP(GENERAL_NAME, d.iPAddress, ASN1_OCTET_STRING, GEN_IPADD),
+        ASN1_IMP(GENERAL_NAME, d.registeredID, ASN1_OBJECT, GEN_RID)
+} ASN1_CHOICE_END(GENERAL_NAME)
+
+IMPLEMENT_ASN1_FUNCTIONS(GENERAL_NAME)
+
+ASN1_ITEM_TEMPLATE(GENERAL_NAMES) =
+        ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, GENERAL_NAME)
+ASN1_ITEM_TEMPLATE_END(GENERAL_NAMES)
+
+IMPLEMENT_ASN1_FUNCTIONS(GENERAL_NAMES)
+
+GENERAL_NAME *GENERAL_NAME_dup(GENERAL_NAME *a)
 {
-       unsigned char *p;
-       int ret;
-
-       ret = 0;
-
-       /* Save the location of initial TAG */
-       if(pp) p = *pp;
-       else p = NULL;
-
-       /* GEN_DNAME needs special treatment because of EXPLICIT tag */
-
-       if(a->type == GEN_DIRNAME) {
-               int v = 0;
-               M_ASN1_I2D_len_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
-               if(!p) return ret;
-               M_ASN1_I2D_put_EXP_opt(a->d.dirn, i2d_X509_NAME, 4, v);
-               *pp = p;
-               return ret;
-       }
-
-       switch(a->type) {
-
-               case GEN_OTHERNAME:
-               case GEN_X400:
-               case GEN_EDIPARTY:
-               ret = i2d_ASN1_TYPE(a->d.other, pp);
-               break;
-
-               case GEN_EMAIL:
-               case GEN_DNS:
-               case GEN_URI:
-               ret = i2d_ASN1_IA5STRING(a->d.ia5, pp);
-               break;
-
-               case GEN_IPADD:
-               ret = i2d_ASN1_OCTET_STRING(a->d.ip, pp);
-               break;
-       
-               case GEN_RID:
-               ret = i2d_ASN1_OBJECT(a->d.rid, pp);
-               break;
-       }
-       /* Replace TAG with IMPLICIT value */
-       if(p) *p = (*p & V_ASN1_CONSTRUCTED) | a->type;
-       return ret;
+    return (GENERAL_NAME *)ASN1_dup((i2d_of_void *)i2d_GENERAL_NAME,
+                                    (d2i_of_void *)d2i_GENERAL_NAME,
+                                    (char *)a);
 }
 
-GENERAL_NAME *GENERAL_NAME_new(void)
+/* Returns 0 if they are equal, != 0 otherwise. */
+int GENERAL_NAME_cmp(GENERAL_NAME *a, GENERAL_NAME *b)
 {
-       GENERAL_NAME *ret=NULL;
-       ASN1_CTX c;
-       M_ASN1_New_Malloc(ret, GENERAL_NAME);
-       ret->type = -1;
-       ret->d.ptr = NULL;
-       return (ret);
-       M_ASN1_New_Error(ASN1_F_GENERAL_NAME_NEW);
+    int result = -1;
+
+    if (!a || !b || a->type != b->type)
+        return -1;
+    switch (a->type) {
+    case GEN_X400:
+    case GEN_EDIPARTY:
+        result = ASN1_TYPE_cmp(a->d.other, b->d.other);
+        break;
+
+    case GEN_OTHERNAME:
+        result = OTHERNAME_cmp(a->d.otherName, b->d.otherName);
+        break;
+
+    case GEN_EMAIL:
+    case GEN_DNS:
+    case GEN_URI:
+        result = ASN1_STRING_cmp(a->d.ia5, b->d.ia5);
+        break;
+
+    case GEN_DIRNAME:
+        result = X509_NAME_cmp(a->d.dirn, b->d.dirn);
+        break;
+
+    case GEN_IPADD:
+        result = ASN1_OCTET_STRING_cmp(a->d.ip, b->d.ip);
+        break;
+
+    case GEN_RID:
+        result = OBJ_cmp(a->d.rid, b->d.rid);
+        break;
+    }
+    return result;
 }
 
-GENERAL_NAME *d2i_GENERAL_NAME(GENERAL_NAME **a, unsigned char **pp,
-            long length)
+/* Returns 0 if they are equal, != 0 otherwise. */
+int OTHERNAME_cmp(OTHERNAME *a, OTHERNAME *b)
 {
-       unsigned char _tmp;
-       M_ASN1_D2I_vars(a,GENERAL_NAME *,GENERAL_NAME_new);
-       M_ASN1_D2I_Init();
-       c.slen = length;
-
-       _tmp = M_ASN1_next;
-       ret->type = _tmp & ~V_ASN1_CONSTRUCTED;
-
-       switch(ret->type) {
-               /* Just put these in a "blob" for now */
-               case GEN_OTHERNAME:
-               case GEN_X400:
-               case GEN_EDIPARTY:
-               M_ASN1_D2I_get_imp(ret->d.other, d2i_ASN1_TYPE,V_ASN1_SEQUENCE);
-               break;
-
-               case GEN_EMAIL:
-               case GEN_DNS:
-               case GEN_URI:
-               M_ASN1_D2I_get_imp(ret->d.ia5, d2i_ASN1_IA5STRING,
-                                                       V_ASN1_IA5STRING);
-               break;
-
-               case GEN_DIRNAME:
-               M_ASN1_D2I_get_EXP_opt(ret->d.dirn, d2i_X509_NAME, 4);
-               break;
-
-               case GEN_IPADD:
-               M_ASN1_D2I_get_imp(ret->d.ip, d2i_ASN1_OCTET_STRING,
-                                                       V_ASN1_OCTET_STRING);
-               break;
-       
-               case GEN_RID:
-               M_ASN1_D2I_get_imp(ret->d.rid, d2i_ASN1_OBJECT,V_ASN1_OBJECT);
-               break;
-
-               default:
-               c.error = ASN1_R_BAD_TAG;
-               goto err;
-       }
-
-       c.slen = 0;
-       M_ASN1_D2I_Finish(a, GENERAL_NAME_free, ASN1_F_D2I_GENERAL_NAME);
+    int result = -1;
+
+    if (!a || !b)
+        return -1;
+    /* Check their type first. */
+    if ((result = OBJ_cmp(a->type_id, b->type_id)) != 0)
+        return result;
+    /* Check the value. */
+    result = ASN1_TYPE_cmp(a->value, b->value);
+    return result;
 }
 
-void GENERAL_NAME_free(GENERAL_NAME *a)
+void GENERAL_NAME_set0_value(GENERAL_NAME *a, int type, void *value)
 {
-       if (a == NULL) return;
-       switch(a->type) {
-               case GEN_OTHERNAME:
-               case GEN_X400:
-               case GEN_EDIPARTY:
-               ASN1_TYPE_free(a->d.other);
-               break;
-
-               case GEN_EMAIL:
-               case GEN_DNS:
-               case GEN_URI:
-
-               ASN1_IA5STRING_free(a->d.ia5);
-               break;
-
-               case GEN_DIRNAME:
-               X509_NAME_free(a->d.dirn);
-               break;
-
-               case GEN_IPADD:
-               ASN1_OCTET_STRING_free(a->d.ip);
-               break;
-       
-               case GEN_RID:
-               ASN1_OBJECT_free(a->d.rid);
-               break;
-
-       }
-       Free ((char *)a);
+    switch (type) {
+    case GEN_X400:
+    case GEN_EDIPARTY:
+        a->d.other = value;
+        break;
+
+    case GEN_OTHERNAME:
+        a->d.otherName = value;
+        break;
+
+    case GEN_EMAIL:
+    case GEN_DNS:
+    case GEN_URI:
+        a->d.ia5 = value;
+        break;
+
+    case GEN_DIRNAME:
+        a->d.dirn = value;
+        break;
+
+    case GEN_IPADD:
+        a->d.ip = value;
+        break;
+
+    case GEN_RID:
+        a->d.rid = value;
+        break;
+    }
+    a->type = type;
 }
 
-/* Now the GeneralNames versions: a SEQUENCE OF GeneralName These are needed as
- * an explicit functions.
- */
-
-STACK *GENERAL_NAMES_new(void)
+void *GENERAL_NAME_get0_value(GENERAL_NAME *a, int *ptype)
 {
-       return sk_new(NULL);
-}
+    if (ptype)
+        *ptype = a->type;
+    switch (a->type) {
+    case GEN_X400:
+    case GEN_EDIPARTY:
+        return a->d.other;
 
-void GENERAL_NAMES_free(STACK *a)
-{
-       sk_pop_free(a, GENERAL_NAME_free);
+    case GEN_OTHERNAME:
+        return a->d.otherName;
+
+    case GEN_EMAIL:
+    case GEN_DNS:
+    case GEN_URI:
+        return a->d.ia5;
+
+    case GEN_DIRNAME:
+        return a->d.dirn;
+
+    case GEN_IPADD:
+        return a->d.ip;
+
+    case GEN_RID:
+        return a->d.rid;
+
+    default:
+        return NULL;
+    }
 }
 
-STACK *d2i_GENERAL_NAMES(STACK **a, unsigned char **pp, long length)
+int GENERAL_NAME_set0_othername(GENERAL_NAME *gen,
+                                ASN1_OBJECT *oid, ASN1_TYPE *value)
 {
-return d2i_ASN1_SET(a, pp, length, (char *(*)())d2i_GENERAL_NAME,
-                        GENERAL_NAME_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
+    OTHERNAME *oth;
+    oth = OTHERNAME_new();
+    if (oth == NULL)
+        return 0;
+    oth->type_id = oid;
+    oth->value = value;
+    GENERAL_NAME_set0_value(gen, GEN_OTHERNAME, oth);
+    return 1;
 }
 
-int i2d_GENERAL_NAMES(STACK *a, unsigned char **pp)
+int GENERAL_NAME_get0_otherName(GENERAL_NAME *gen,
+                                ASN1_OBJECT **poid, ASN1_TYPE **pvalue)
 {
-return i2d_ASN1_SET(a, pp, i2d_GENERAL_NAME, V_ASN1_SEQUENCE,
-                                                V_ASN1_UNIVERSAL, IS_SEQUENCE);
+    if (gen->type != GEN_OTHERNAME)
+        return 0;
+    if (poid)
+        *poid = gen->d.otherName->type_id;
+    if (pvalue)
+        *pvalue = gen->d.otherName->value;
+    return 1;
 }