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Diffstat (limited to 'src/crypto/x509/x_req.c')
| -rw-r--r-- | src/crypto/x509/x_req.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/crypto/x509/x_req.c b/src/crypto/x509/x_req.c new file mode 100644 index 0000000..8bf4613 --- /dev/null +++ b/src/crypto/x509/x_req.c @@ -0,0 +1,112 @@ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * 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.] */ + +#include <stdio.h> + +#include <openssl/asn1t.h> +#include <openssl/thread.h> +#include <openssl/x509.h> + +/* X509_REQ_INFO is handled in an unusual way to get round + * invalid encodings. Some broken certificate requests don't + * encode the attributes field if it is empty. This is in + * violation of PKCS#10 but we need to tolerate it. We do + * this by making the attributes field OPTIONAL then using + * the callback to initialise it to an empty STACK. + * + * This means that the field will be correctly encoded unless + * we NULL out the field. + * + * As a result we no longer need the req_kludge field because + * the information is now contained in the attributes field: + * 1. If it is NULL then it's the invalid omission. + * 2. If it is empty it is the correct encoding. + * 3. If it is not empty then some attributes are present. + * + */ + +static int rinf_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, + void *exarg) +{ + X509_REQ_INFO *rinf = (X509_REQ_INFO *)*pval; + + if(operation == ASN1_OP_NEW_POST) { + rinf->attributes = sk_X509_ATTRIBUTE_new_null(); + if(!rinf->attributes) return 0; + } + return 1; +} + +ASN1_SEQUENCE_enc(X509_REQ_INFO, enc, rinf_cb) = { + ASN1_SIMPLE(X509_REQ_INFO, version, ASN1_INTEGER), + ASN1_SIMPLE(X509_REQ_INFO, subject, X509_NAME), + ASN1_SIMPLE(X509_REQ_INFO, pubkey, X509_PUBKEY), + /* This isn't really OPTIONAL but it gets round invalid + * encodings + */ + ASN1_IMP_SET_OF_OPT(X509_REQ_INFO, attributes, X509_ATTRIBUTE, 0) +} ASN1_SEQUENCE_END_enc(X509_REQ_INFO, X509_REQ_INFO) + +IMPLEMENT_ASN1_FUNCTIONS(X509_REQ_INFO) + +ASN1_SEQUENCE_ref(X509_REQ, 0, CRYPTO_LOCK_X509_REQ) = { + ASN1_SIMPLE(X509_REQ, req_info, X509_REQ_INFO), + ASN1_SIMPLE(X509_REQ, sig_alg, X509_ALGOR), + ASN1_SIMPLE(X509_REQ, signature, ASN1_BIT_STRING) +} ASN1_SEQUENCE_END_ref(X509_REQ, X509_REQ) + +IMPLEMENT_ASN1_FUNCTIONS(X509_REQ) +IMPLEMENT_ASN1_DUP_FUNCTION(X509_REQ) |