195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * All rights reserved. 395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * This package is an SSL implementation written 595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * by Eric Young (eay@cryptsoft.com). 695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * The implementation was written so as to conform with Netscapes SSL. 795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * This library is free for commercial and non-commercial use as long as 995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * the following conditions are aheared to. The following conditions 1095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * apply to all code found in this distribution, be it the RC4, RSA, 1195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * included with this distribution is covered by the same copyright terms 1395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * except that the holder is Tim Hudson (tjh@cryptsoft.com). 1495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 1595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * Copyright remains Eric Young's, and as such any Copyright notices in 1695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * the code are not to be removed. 1795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * If this package is used in a product, Eric Young should be given attribution 1895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * as the author of the parts of the library used. 1995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * This can be in the form of a textual message at program startup or 2095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * in documentation (online or textual) provided with the package. 2195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 2295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * Redistribution and use in source and binary forms, with or without 2395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * modification, are permitted provided that the following conditions 2495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * are met: 2595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 1. Redistributions of source code must retain the copyright 2695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * notice, this list of conditions and the following disclaimer. 2795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 2. Redistributions in binary form must reproduce the above copyright 2895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * notice, this list of conditions and the following disclaimer in the 2995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * documentation and/or other materials provided with the distribution. 3095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 3. All advertising materials mentioning features or use of this software 3195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * must display the following acknowledgement: 3295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * "This product includes cryptographic software written by 3395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * Eric Young (eay@cryptsoft.com)" 3495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * The word 'cryptographic' can be left out if the rouines from the library 3595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * being used are not cryptographic related :-). 3695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 4. If you include any Windows specific code (or a derivative thereof) from 3795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * the apps directory (application code) you must include an acknowledgement: 3895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 3995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 4095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 4995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * SUCH DAMAGE. 5195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 5295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * The licence and distribution terms for any publically available version or 5395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * derivative of this code cannot be changed. i.e. this code cannot simply be 5495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * copied and put under another distribution licence 5595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * [including the GNU Public Licence.] */ 5695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 5795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/asn1.h> 5895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 5995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/asn1t.h> 6095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/mem.h> 6195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/obj.h> 6295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/err.h> 6395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 6495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 6595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Utility functions for manipulating fields and offsets */ 6695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 6795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Add 'offset' to 'addr' */ 6895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#define offset2ptr(addr, offset) (void *)(((char *) addr) + offset) 6995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 7095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Given an ASN1_ITEM CHOICE type return the selector value */ 7195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint asn1_get_choice_selector(ASN1_VALUE **pval, const ASN1_ITEM *it) { 7295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int *sel = offset2ptr(*pval, it->utype); 7395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return *sel; 7495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 7595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 7695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Given an ASN1_ITEM CHOICE type set the selector value, return old value. */ 7795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint asn1_set_choice_selector(ASN1_VALUE **pval, int value, 7895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_ITEM *it) { 7995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int *sel, ret; 8095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley sel = offset2ptr(*pval, it->utype); 8195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = *sel; 8295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *sel = value; 8395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 8495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 8595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 8695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Do reference counting. The value 'op' decides what to do. if it is +1 then 8795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * the count is incremented. If op is 0 count is set to 1. If op is -1 count is 8895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * decremented and the return value is the current refrence count or 0 if no 8995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * reference count exists. */ 9095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint asn1_do_lock(ASN1_VALUE **pval, int op, const ASN1_ITEM *it) { 9195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_AUX *aux; 9295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int *lck, ret; 9395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (it->itype != ASN1_ITYPE_SEQUENCE && 9495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley it->itype != ASN1_ITYPE_NDEF_SEQUENCE) { 9595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 9695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 9795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley aux = it->funcs; 9895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!aux || !(aux->flags & ASN1_AFLG_REFCOUNT)) { 9995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 10095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 10195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley lck = offset2ptr(*pval, aux->ref_offset); 10295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (op == 0) { 10395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *lck = 1; 10495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 10595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 10695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = CRYPTO_add(lck, op, aux->ref_lock); 10795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 10895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 10995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 11095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic ASN1_ENCODING *asn1_get_enc_ptr(ASN1_VALUE **pval, const ASN1_ITEM *it) { 11195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_AUX *aux; 11295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!pval || !*pval) { 11395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return NULL; 11495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 11595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley aux = it->funcs; 11695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!aux || !(aux->flags & ASN1_AFLG_ENCODING)) { 11795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return NULL; 11895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 11995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return offset2ptr(*pval, aux->enc_offset); 12095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 12195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 12295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid asn1_enc_init(ASN1_VALUE **pval, const ASN1_ITEM *it) { 12395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_ENCODING *enc; 12495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc = asn1_get_enc_ptr(pval, it); 12595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (enc) { 12695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc->enc = NULL; 12795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc->len = 0; 12895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc->modified = 1; 12995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 13095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 13195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 13295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyvoid asn1_enc_free(ASN1_VALUE **pval, const ASN1_ITEM *it) { 13395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_ENCODING *enc; 13495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc = asn1_get_enc_ptr(pval, it); 13595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (enc) { 13695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (enc->enc) { 13795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_free(enc->enc); 13895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 13995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc->enc = NULL; 14095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc->len = 0; 14195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc->modified = 1; 14295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 14395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 14495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 14595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint asn1_enc_save(ASN1_VALUE **pval, const unsigned char *in, int inlen, 14695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_ITEM *it) { 14795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_ENCODING *enc; 14895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc = asn1_get_enc_ptr(pval, it); 14995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!enc) { 15095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 15195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 15295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 15395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (enc->enc) { 15495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_free(enc->enc); 15595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 15695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc->enc = OPENSSL_malloc(inlen); 15795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!enc->enc) { 15895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 15995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 16095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley memcpy(enc->enc, in, inlen); 16195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc->len = inlen; 16295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc->modified = 0; 16395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 16495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 16595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 16695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 16795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint asn1_enc_restore(int *len, unsigned char **out, ASN1_VALUE **pval, 16895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_ITEM *it) { 16995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_ENCODING *enc; 17095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley enc = asn1_get_enc_ptr(pval, it); 17195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!enc || enc->modified) { 17295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 17395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 17495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (out) { 17595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley memcpy(*out, enc->enc, enc->len); 17695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *out += enc->len; 17795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 17895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (len) { 17995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *len = enc->len; 18095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 18195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 18295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 18395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 18495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Given an ASN1_TEMPLATE get a pointer to a field */ 18595c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyASN1_VALUE **asn1_get_field_ptr(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) { 18695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_VALUE **pvaltmp; 18795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (tt->flags & ASN1_TFLG_COMBINE) { 18895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return pval; 18995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 19095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley pvaltmp = offset2ptr(*pval, tt->offset); 19195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* NOTE for BOOLEAN types the field is just a plain int so we can't return 19295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * int **, so settle for (int *). */ 19395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return pvaltmp; 19495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 19595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 19695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Handle ANY DEFINED BY template, find the selector, look up the relevant 19795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * ASN1_TEMPLATE in the table and return it. */ 19895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyconst ASN1_TEMPLATE *asn1_do_adb(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt, 19995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int nullerr) { 20095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_ADB *adb; 20195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_ADB_TABLE *atbl; 20295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley long selector; 20395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_VALUE **sfld; 20495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int i; 20595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!(tt->flags & ASN1_TFLG_ADB_MASK)) { 20695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return tt; 20795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 20895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 20995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Else ANY DEFINED BY ... get the table */ 21095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley adb = ASN1_ADB_ptr(tt->item); 21195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 21295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Get the selector field */ 21395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley sfld = offset2ptr(*pval, adb->offset); 21495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 21595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Check if NULL */ 21695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!sfld) { 21795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!adb->null_tt) { 21895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto err; 21995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 22095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return adb->null_tt; 22195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 22295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 22395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Convert type to a long: 22495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * NB: don't check for NID_undef here because it 22595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * might be a legitimate value in the table */ 22695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (tt->flags & ASN1_TFLG_ADB_OID) { 22795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley selector = OBJ_obj2nid((ASN1_OBJECT *)*sfld); 22895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } else { 22995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley selector = ASN1_INTEGER_get((ASN1_INTEGER *)*sfld); 23095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 23195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 23295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Try to find matching entry in table Maybe should check application types 23395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * first to allow application override? Might also be useful to have a flag 23495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * which indicates table is sorted and we can do a binary search. For now 23595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * stick to a linear search. */ 23695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 23795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley for (atbl = adb->tbl, i = 0; i < adb->tblcount; i++, atbl++) { 23895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (atbl->value == selector) { 23995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return &atbl->tt; 24095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 24195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 24295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 24395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* FIXME: need to search application table too */ 24495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 24595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* No match, return default type */ 24695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!adb->default_tt) { 24795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto err; 24895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 24995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return adb->default_tt; 25095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 25195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyerr: 25295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* FIXME: should log the value or OID of unsupported type */ 25395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (nullerr) { 25495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(ASN1, asn1_do_adb, 25595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_R_UNSUPPORTED_ANY_DEFINED_BY_TYPE); 25695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 25795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return NULL; 25895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 259