1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* crypto/asn1/x_req.c */ 2656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * All rights reserved. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This package is an SSL implementation written 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * by Eric Young (eay@cryptsoft.com). 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The implementation was written so as to conform with Netscapes SSL. 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This library is free for commercial and non-commercial use as long as 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the following conditions are aheared to. The following conditions 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * apply to all code found in this distribution, be it the RC4, RSA, 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * included with this distribution is covered by the same copyright terms 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright remains Eric Young's, and as such any Copyright notices in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the code are not to be removed. 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * If this package is used in a product, Eric Young should be given attribution 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * as the author of the parts of the library used. 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This can be in the form of a textual message at program startup or 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * in documentation (online or textual) provided with the package. 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the copyright 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in the 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * documentation and/or other materials provided with the distribution. 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this software 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * must display the following acknowledgement: 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes cryptographic software written by 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Eric Young (eay@cryptsoft.com)" 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The word 'cryptographic' can be left out if the rouines from the library 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * being used are not cryptographic related :-). 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. If you include any Windows specific code (or a derivative thereof) from 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the apps directory (application code) you must include an acknowledgement: 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SUCH DAMAGE. 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The licence and distribution terms for any publically available version or 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * derivative of this code cannot be changed. i.e. this code cannot simply be 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * copied and put under another distribution licence 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * [including the GNU Public Licence.] 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "cryptlib.h" 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/asn1t.h> 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/x509.h> 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* X509_REQ_INFO is handled in an unusual way to get round 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * invalid encodings. Some broken certificate requests don't 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * encode the attributes field if it is empty. This is in 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * violation of PKCS#10 but we need to tolerate it. We do 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * this by making the attributes field OPTIONAL then using 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the callback to initialise it to an empty STACK. 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This means that the field will be correctly encoded unless 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * we NULL out the field. 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * As a result we no longer need the req_kludge field because 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the information is now contained in the attributes field: 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. If it is NULL then it's the invalid omission. 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. If it is empty it is the correct encoding. 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. If it is not empty then some attributes are present. 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 82221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromstatic int rinf_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, 83221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom void *exarg) 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509_REQ_INFO *rinf = (X509_REQ_INFO *)*pval; 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 87656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(operation == ASN1_OP_NEW_POST) { 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project rinf->attributes = sk_X509_ATTRIBUTE_new_null(); 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!rinf->attributes) return 0; 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 92656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 93656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 94656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectASN1_SEQUENCE_enc(X509_REQ_INFO, enc, rinf_cb) = { 95656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_SIMPLE(X509_REQ_INFO, version, ASN1_INTEGER), 96656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_SIMPLE(X509_REQ_INFO, subject, X509_NAME), 97656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_SIMPLE(X509_REQ_INFO, pubkey, X509_PUBKEY), 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* This isn't really OPTIONAL but it gets round invalid 99656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * encodings 100656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_IMP_SET_OF_OPT(X509_REQ_INFO, attributes, X509_ATTRIBUTE, 0) 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} ASN1_SEQUENCE_END_enc(X509_REQ_INFO, X509_REQ_INFO) 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 104656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectIMPLEMENT_ASN1_FUNCTIONS(X509_REQ_INFO) 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectASN1_SEQUENCE_ref(X509_REQ, 0, CRYPTO_LOCK_X509_REQ) = { 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_SIMPLE(X509_REQ, req_info, X509_REQ_INFO), 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_SIMPLE(X509_REQ, sig_alg, X509_ALGOR), 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ASN1_SIMPLE(X509_REQ, signature, ASN1_BIT_STRING) 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} ASN1_SEQUENCE_END_ref(X509_REQ, X509_REQ) 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 112656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectIMPLEMENT_ASN1_FUNCTIONS(X509_REQ) 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectIMPLEMENT_ASN1_DUP_FUNCTION(X509_REQ) 114