diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2010-12-13 18:15:28 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2010-12-13 18:15:28 +0000 |
commit | d7d5a55d222d17defc09aeb3947e7d5c8cdf36a5 (patch) | |
tree | 0b6ce951d8ab2eba69a53a0568dffa154861cb65 /crypto/asn1/tasn_scn.c | |
parent | cc4c23065352d8c43e5ba863631e68c315cb84c8 (diff) |
Support routines for ASN1 scanning function, doesn't do much yet.
Diffstat (limited to 'crypto/asn1/tasn_scn.c')
-rw-r--r-- | crypto/asn1/tasn_scn.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/crypto/asn1/tasn_scn.c b/crypto/asn1/tasn_scn.c new file mode 100644 index 0000000000..97291790cd --- /dev/null +++ b/crypto/asn1/tasn_scn.c @@ -0,0 +1,117 @@ +/* tasn_scn.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project 2010. + */ +/* ==================================================================== + * Copyright (c) 2010 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). + * + */ + + +#include <stddef.h> +#include "cryptlib.h" +#include <openssl/asn1.h> +#include <openssl/asn1t.h> +#include <openssl/objects.h> +#include <openssl/buffer.h> +#include <openssl/err.h> +#include <openssl/x509v3.h> +#include "asn1_locl.h" + +/* General ASN1 structure recursive scanner: iterate through all + * fields passing details to a callback. + */ + +ASN1_SCTX *ASN1_SCTX_new(int (*scan_cb)(ASN1_SCTX *ctx)) + { + ASN1_SCTX *ret; + ret = OPENSSL_malloc(sizeof(ASN1_SCTX)); + if (ret == NULL) + { + ASN1err(ASN1_F_ASN1_PCTX_NEW, ERR_R_MALLOC_FAILURE); + return NULL; + } + ret->scan_cb = scan_cb; + return ret; + } + +void ASN1_SCTX_free(ASN1_SCTX *p) + { + OPENSSL_free(p); + } + +const ASN1_ITEM *ASN1_SCTX_get_item(ASN1_SCTX *p) + { + return p->it; + } + +const ASN1_TEMPLATE * ASN1_SCTX_get_template(ASN1_SCTX *p) + { + return p->tt; + } + +unsigned long ASN1_SCTX_get_flags(ASN1_SCTX *p) + { + return p->flags; + } + +void ASN1_SCTX_set_app_data(ASN1_SCTX *p, void *data) + { + p->app_data = data; + } + +void *ASN1_SCTX_get_app_data(ASN1_SCTX *p) + { + return p->app_data; + } + + |