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 <ctype.h> 5895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 5995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/asn1.h> 6095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/asn1t.h> 6195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/buf.h> 6295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/err.h> 6395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/mem.h> 6495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/obj.h> 6595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/stack.h> 6695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include <openssl/x509.h> 6795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 6895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#include "../asn1/asn1_locl.h" 6995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 7095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 7195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleytypedef STACK_OF(X509_NAME_ENTRY) STACK_OF_X509_NAME_ENTRY; 7295c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyDECLARE_STACK_OF(STACK_OF_X509_NAME_ENTRY) 7395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 7495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_ex_d2i(ASN1_VALUE **val, 7595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const unsigned char **in, long len, 7695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_ITEM *it, 7795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int tag, int aclass, char opt, ASN1_TLC *ctx); 7895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 7995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, 8095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_ITEM *it, int tag, int aclass); 8195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it); 8295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic void x509_name_ex_free(ASN1_VALUE **val, const ASN1_ITEM *it); 8395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 8495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_encode(X509_NAME *a); 8595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_canon(X509_NAME *a); 8695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in); 8795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) *intname, 8895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char **in); 8995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 9095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 9195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_ex_print(BIO *out, ASN1_VALUE **pval, 9295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int indent, 9395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const char *fname, 9495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_PCTX *pctx); 9595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 9695c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyASN1_SEQUENCE(X509_NAME_ENTRY) = { 9795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_SIMPLE(X509_NAME_ENTRY, object, ASN1_OBJECT), 9895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_SIMPLE(X509_NAME_ENTRY, value, ASN1_PRINTABLE) 9995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} ASN1_SEQUENCE_END(X509_NAME_ENTRY) 10095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 10195c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyIMPLEMENT_ASN1_FUNCTIONS(X509_NAME_ENTRY) 10295c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyIMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME_ENTRY) 10395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 10495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* For the "Name" type we need a SEQUENCE OF { SET OF X509_NAME_ENTRY } 10595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * so declare two template wrappers for this 10695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley */ 10795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 10895c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyASN1_ITEM_TEMPLATE(X509_NAME_ENTRIES) = 10995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_OF, 0, RDNS, X509_NAME_ENTRY) 11095c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyASN1_ITEM_TEMPLATE_END(X509_NAME_ENTRIES) 11195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 11295c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyASN1_ITEM_TEMPLATE(X509_NAME_INTERNAL) = 11395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, Name, X509_NAME_ENTRIES) 11495c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyASN1_ITEM_TEMPLATE_END(X509_NAME_INTERNAL) 11595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 11695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Normally that's where it would end: we'd have two nested STACK structures 11795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * representing the ASN1. Unfortunately X509_NAME uses a completely different 11895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * form and caches encodings so we have to process the internal form and convert 11995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * to the external form. 12095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley */ 12195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 12295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyconst ASN1_EXTERN_FUNCS x509_name_ff = { 12395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley NULL, 12495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley x509_name_ex_new, 12595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley x509_name_ex_free, 12695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 0, /* Default clear behaviour is OK */ 12795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley x509_name_ex_d2i, 12895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley x509_name_ex_i2d, 12995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley x509_name_ex_print 13095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley}; 13195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 13295c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyIMPLEMENT_EXTERN_ASN1(X509_NAME, V_ASN1_SEQUENCE, x509_name_ff) 13395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 13495c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyIMPLEMENT_ASN1_FUNCTIONS(X509_NAME) 13595c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyIMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME) 13695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 13795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it) 13895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley{ 13995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_NAME *ret = NULL; 14095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = OPENSSL_malloc(sizeof(X509_NAME)); 14195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!ret) goto memerr; 14295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if ((ret->entries=sk_X509_NAME_ENTRY_new_null()) == NULL) 14395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto memerr; 14495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if((ret->bytes = BUF_MEM_new()) == NULL) goto memerr; 14595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret->canon_enc = NULL; 14695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret->canon_enclen = 0; 14795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret->modified=1; 14895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *val = (ASN1_VALUE *)ret; 14995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 15095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 15195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley memerr: 15295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, x509_name_ex_new, ERR_R_MALLOC_FAILURE); 15395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (ret) 15495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 15595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (ret->entries) 15695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley sk_X509_NAME_ENTRY_free(ret->entries); 15795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_free(ret); 15895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 15995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 16095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 16195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 16295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic void x509_name_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) 16395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley{ 16495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_NAME *a; 16595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!pval || !*pval) 16695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return; 16795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley a = (X509_NAME *)*pval; 16895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 16995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley BUF_MEM_free(a->bytes); 17095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free); 17195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (a->canon_enc) 17295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_free(a->canon_enc); 17395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_free(a); 17495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *pval = NULL; 17595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 17695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 17795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_ex_d2i(ASN1_VALUE **val, 17895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const unsigned char **in, long len, const ASN1_ITEM *it, 17995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int tag, int aclass, char opt, ASN1_TLC *ctx) 18095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley{ 18195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const unsigned char *p = *in, *q; 18295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley union { STACK_OF(STACK_OF_X509_NAME_ENTRY) *s; 18395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_VALUE *a; } intname = {NULL}; 18495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley union { X509_NAME *x; ASN1_VALUE *a; } nm = {NULL}; 18595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley size_t i, j; 18695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int ret; 18795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley STACK_OF(X509_NAME_ENTRY) *entries; 18895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_NAME_ENTRY *entry; 18995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley q = p; 19095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 19195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Get internal representation of Name */ 19295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = ASN1_item_ex_d2i(&intname.a, 19395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley &p, len, ASN1_ITEM_rptr(X509_NAME_INTERNAL), 19495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley tag, aclass, opt, ctx); 19595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 19695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(ret <= 0) return ret; 19795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 19895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(*val) x509_name_ex_free(val, NULL); 19995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!x509_name_ex_new(&nm.a, NULL)) goto err; 20095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* We've decoded it: now cache encoding */ 20195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!BUF_MEM_grow(nm.x->bytes, p - q)) goto err; 20295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley memcpy(nm.x->bytes->data, q, p - q); 20395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 20495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Convert internal representation to X509_NAME structure */ 20595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley for(i = 0; i < sk_STACK_OF_X509_NAME_ENTRY_num(intname.s); i++) { 20695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley entries = sk_STACK_OF_X509_NAME_ENTRY_value(intname.s, i); 20795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley for(j = 0; j < sk_X509_NAME_ENTRY_num(entries); j++) { 20895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley entry = sk_X509_NAME_ENTRY_value(entries, j); 20995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley entry->set = i; 21095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!sk_X509_NAME_ENTRY_push(nm.x->entries, entry)) 21195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto err; 21295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 21395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley sk_X509_NAME_ENTRY_free(entries); 21495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 21595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley sk_STACK_OF_X509_NAME_ENTRY_free(intname.s); 21695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = x509_name_canon(nm.x); 21795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!ret) 21895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto err; 21995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley nm.x->modified = 0; 22095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *val = nm.a; 22195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *in = p; 22295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 22395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyerr: 22495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (nm.x != NULL) 22595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_NAME_free(nm.x); 22695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, x509_name_ex_d2i, ERR_R_ASN1_LIB); 22795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 22895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 22995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 23095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass) 23195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley{ 23295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int ret; 23395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_NAME *a = (X509_NAME *)*val; 23495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(a->modified) { 23595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = x509_name_encode(a); 23695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(ret < 0) 23795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 23895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = x509_name_canon(a); 23995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(ret < 0) 24095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 24195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 24295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = a->bytes->length; 24395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(out != NULL) { 24495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley memcpy(*out,a->bytes->data,ret); 24595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *out+=ret; 24695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 24795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 24895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 24995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 25095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic void local_sk_X509_NAME_ENTRY_free(STACK_OF(X509_NAME_ENTRY) *ne) 25195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 25295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley sk_X509_NAME_ENTRY_free(ne); 25395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 25495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 25595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic void local_sk_X509_NAME_ENTRY_pop_free(STACK_OF(X509_NAME_ENTRY) *ne) 25695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 25795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley sk_X509_NAME_ENTRY_pop_free(ne, X509_NAME_ENTRY_free); 25895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 25995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 26095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_encode(X509_NAME *a) 26195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley{ 26295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley union { STACK_OF(STACK_OF_X509_NAME_ENTRY) *s; 26395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_VALUE *a; } intname = {NULL}; 26495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int len; 26595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char *p; 26695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley STACK_OF(X509_NAME_ENTRY) *entries = NULL; 26795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_NAME_ENTRY *entry; 26895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int set = -1; 26995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley size_t i; 27095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley intname.s = sk_STACK_OF_X509_NAME_ENTRY_new_null(); 27195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!intname.s) goto memerr; 27295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley for(i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) { 27395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley entry = sk_X509_NAME_ENTRY_value(a->entries, i); 27495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(entry->set != set) { 27595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley entries = sk_X509_NAME_ENTRY_new_null(); 27695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!entries) goto memerr; 27795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!sk_STACK_OF_X509_NAME_ENTRY_push(intname.s, 27895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley entries)) 27995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto memerr; 28095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley set = entry->set; 28195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 28295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!sk_X509_NAME_ENTRY_push(entries, entry)) goto memerr; 28395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 28495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley len = ASN1_item_ex_i2d(&intname.a, NULL, 28595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1); 28695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!BUF_MEM_grow(a->bytes,len)) goto memerr; 28795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley p=(unsigned char *)a->bytes->data; 28895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_item_ex_i2d(&intname.a, 28995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley &p, ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1); 29095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s, 29195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley local_sk_X509_NAME_ENTRY_free); 29295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley a->modified = 0; 29395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return len; 29495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleymemerr: 29595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s, 29695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley local_sk_X509_NAME_ENTRY_free); 29795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_PUT_ERROR(X509, x509_name_encode, ERR_R_MALLOC_FAILURE); 29895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return -1; 29995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley} 30095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 30195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_ex_print(BIO *out, ASN1_VALUE **pval, 30295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int indent, 30395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const char *fname, 30495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley const ASN1_PCTX *pctx) 30595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 30695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (X509_NAME_print_ex(out, (X509_NAME *)*pval, 30795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley indent, pctx->nm_flags) <= 0) 30895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 30995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 2; 31095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 31195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 31295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* This function generates the canonical encoding of the Name structure. 31395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * In it all strings are converted to UTF8, leading, trailing and 31495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * multiple spaces collapsed, converted to lower case and the leading 31595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * SEQUENCE header removed. 31695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 31795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * In future we could also normalize the UTF8 too. 31895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * 31995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * By doing this comparison of Name structures can be rapidly 32095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * perfomed by just using memcmp() of the canonical encoding. 32195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * By omitting the leading SEQUENCE name constraints of type 32295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * dirName can also be checked with a simple memcmp(). 32395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley */ 32495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 32595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int x509_name_canon(X509_NAME *a) 32695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 32795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char *p; 32895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley STACK_OF(STACK_OF_X509_NAME_ENTRY) *intname = NULL; 32995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley STACK_OF(X509_NAME_ENTRY) *entries = NULL; 33095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_NAME_ENTRY *entry, *tmpentry = NULL; 33195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int set = -1, ret = 0; 33295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley size_t i; 33395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 33495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (a->canon_enc) 33595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 33695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley OPENSSL_free(a->canon_enc); 33795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley a->canon_enc = NULL; 33895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 33995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Special case: empty X509_NAME => null encoding */ 34095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (sk_X509_NAME_ENTRY_num(a->entries) == 0) 34195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 34295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley a->canon_enclen = 0; 34395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 34495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 34595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley intname = sk_STACK_OF_X509_NAME_ENTRY_new_null(); 34695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!intname) 34795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto err; 34895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley for(i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) 34995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 35095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley entry = sk_X509_NAME_ENTRY_value(a->entries, i); 35195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(entry->set != set) 35295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 35395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley entries = sk_X509_NAME_ENTRY_new_null(); 35495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!entries) 35595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto err; 35695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!sk_STACK_OF_X509_NAME_ENTRY_push(intname, entries)) 35795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto err; 35895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley set = entry->set; 35995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 36095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley tmpentry = X509_NAME_ENTRY_new(); 36195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley tmpentry->object = OBJ_dup(entry->object); 36295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!asn1_string_canon(tmpentry->value, entry->value)) 36395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto err; 36495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if(!sk_X509_NAME_ENTRY_push(entries, tmpentry)) 36595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto err; 36695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley tmpentry = NULL; 36795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 36895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 36995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Finally generate encoding */ 37095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 37195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley a->canon_enclen = i2d_name_canon(intname, NULL); 37295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 37395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley p = OPENSSL_malloc(a->canon_enclen); 37495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 37595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!p) 37695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley goto err; 37795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 37895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley a->canon_enc = p; 37995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 38095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley i2d_name_canon(intname, &p); 38195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 38295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ret = 1; 38395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 38495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley err: 38595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 38695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (tmpentry) 38795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_NAME_ENTRY_free(tmpentry); 38895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (intname) 38995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname, 39095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley local_sk_X509_NAME_ENTRY_pop_free); 39195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ret; 39295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 39395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 39495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley/* Bitmap of all the types of string that will be canonicalized. */ 39595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 39695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley#define ASN1_MASK_CANON \ 39795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley (B_ASN1_UTF8STRING | B_ASN1_BMPSTRING | B_ASN1_UNIVERSALSTRING \ 39895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley | B_ASN1_PRINTABLESTRING | B_ASN1_T61STRING | B_ASN1_IA5STRING \ 39995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley | B_ASN1_VISIBLESTRING) 40095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 40195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 40295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in) 40395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 40495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char *to, *from; 40595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int len, i; 40695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 40795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* If type not in bitmask just copy string across */ 40895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!(ASN1_tag2bit(in->type) & ASN1_MASK_CANON)) 40995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 41095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!ASN1_STRING_copy(out, in)) 41195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 41295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 41395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 41495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 41595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley out->type = V_ASN1_UTF8STRING; 41695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley out->length = ASN1_STRING_to_UTF8(&out->data, in); 41795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (out->length == -1) 41895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 0; 41995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 42095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley to = out->data; 42195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley from = to; 42295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 42395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley len = out->length; 42495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 42595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Convert string in place to canonical form. 42695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * Ultimately we may need to handle a wider range of characters 42795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * but for now ignore anything with MSB set and rely on the 42895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * isspace() and tolower() functions. 42995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley */ 43095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 43195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Ignore leading spaces */ 43295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley while((len > 0) && !(*from & 0x80) && isspace(*from)) 43395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 43495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley from++; 43595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley len--; 43695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 43795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 43895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley to = from + len - 1; 43995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 44095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Ignore trailing spaces */ 44195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley while ((len > 0) && !(*to & 0x80) && isspace(*to)) 44295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 44395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley to--; 44495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley len--; 44595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 44695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 44795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley to = out->data; 44895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 44995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley i = 0; 45095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley while(i < len) 45195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 45295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* If MSB set just copy across */ 45395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (*from & 0x80) 45495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 45595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *to++ = *from++; 45695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley i++; 45795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 45895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Collapse multiple spaces */ 45995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else if (isspace(*from)) 46095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 46195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Copy one space across */ 46295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *to++ = ' '; 46395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley /* Ignore subsequent spaces. Note: don't need to 46495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * check len here because we know the last 46595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley * character is a non-space so we can't overflow. 46695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley */ 46795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley do 46895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 46995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley from++; 47095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley i++; 47195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 47295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley while(!(*from & 0x80) && isspace(*from)); 47395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 47495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley else 47595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 47695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *to++ = tolower(*from); 47795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley from++; 47895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley i++; 47995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 48095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 48195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 48295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley out->length = to - out->data; 48395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 48495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return 1; 48595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 48695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 48795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 48895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleystatic int i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) *_intname, 48995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley unsigned char **in) 49095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 49195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley int len, ltmp; 49295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley size_t i; 49395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_VALUE *v; 49495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley STACK_OF(ASN1_VALUE) *intname = (STACK_OF(ASN1_VALUE) *)_intname; 49595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 49695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley len = 0; 49795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley for (i = 0; i < sk_ASN1_VALUE_num(intname); i++) 49895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 49995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley v = sk_ASN1_VALUE_value(intname, i); 50095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ltmp = ASN1_item_ex_i2d(&v, in, 50195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley ASN1_ITEM_rptr(X509_NAME_ENTRIES), -1, -1); 50295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (ltmp < 0) 50395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return ltmp; 50495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley len += ltmp; 50595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 50695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return len; 50795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 50895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 50995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langleyint X509_NAME_set(X509_NAME **xn, X509_NAME *name) 51095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 51195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_NAME *in; 51295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 51395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (!xn || !name) return(0); 51495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 51595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (*xn != name) 51695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 51795c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley in=X509_NAME_dup(name); 51895c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley if (in != NULL) 51995c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley { 52095c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley X509_NAME_free(*xn); 52195c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley *xn=in; 52295c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 52395c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 52495c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley return(*xn != NULL); 52595c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley } 52695c29f3cd1f6c08c6c0927868683392eea727ccAdam Langley 52795c29f3cd1f6c08c6c0927868683392eea727ccAdam LangleyIMPLEMENT_ASN1_SET_OF(X509_NAME_ENTRY) 528