diff options
Diffstat (limited to 'crypto/asn1/bio_ndef.c')
| -rw-r--r-- | crypto/asn1/bio_ndef.c | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/crypto/asn1/bio_ndef.c b/crypto/asn1/bio_ndef.c deleted file mode 100644 index 81a8aa7c..00000000 --- a/crypto/asn1/bio_ndef.c +++ /dev/null @@ -1,251 +0,0 @@ -/* 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 <openssl/asn1.h> - -#include <assert.h> - -#include <openssl/asn1t.h> -#include <openssl/bio.h> -#include <openssl/err.h> -#include <openssl/mem.h> - -/* Experimental NDEF ASN1 BIO support routines */ - -/* - * The usage is quite simple, initialize an ASN1 structure, get a BIO from it - * then any data written through the BIO will end up translated to - * approptiate format on the fly. The data is streamed out and does *not* - * need to be all held in memory at once. When the BIO is flushed the output - * is finalized and any signatures etc written out. The BIO is a 'proper' - * BIO and can handle non blocking I/O correctly. The usage is simple. The - * implementation is *not*... - */ - -/* BIO support data stored in the ASN1 BIO ex_arg */ - -typedef struct ndef_aux_st { - /* ASN1 structure this BIO refers to */ - ASN1_VALUE *val; - const ASN1_ITEM *it; - /* Top of the BIO chain */ - BIO *ndef_bio; - /* Output BIO */ - BIO *out; - /* Boundary where content is inserted */ - unsigned char **boundary; - /* DER buffer start */ - unsigned char *derbuf; -} NDEF_SUPPORT; - -static int ndef_prefix(BIO *b, unsigned char **pbuf, int *plen, void *parg); -static int ndef_prefix_free(BIO *b, unsigned char **pbuf, int *plen, - void *parg); -static int ndef_suffix(BIO *b, unsigned char **pbuf, int *plen, void *parg); -static int ndef_suffix_free(BIO *b, unsigned char **pbuf, int *plen, - void *parg); - -BIO *BIO_new_NDEF(BIO *out, ASN1_VALUE *val, const ASN1_ITEM *it) -{ - NDEF_SUPPORT *ndef_aux = NULL; - BIO *asn_bio = NULL; - const ASN1_AUX *aux = it->funcs; - ASN1_STREAM_ARG sarg; - - if (!aux || !aux->asn1_cb) { - OPENSSL_PUT_ERROR(ASN1, ASN1_R_STREAMING_NOT_SUPPORTED); - return NULL; - } - ndef_aux = OPENSSL_malloc(sizeof(NDEF_SUPPORT)); - asn_bio = BIO_new(BIO_f_asn1()); - - /* ASN1 bio needs to be next to output BIO */ - - out = BIO_push(asn_bio, out); - - if (!ndef_aux || !asn_bio || !out) - goto err; - - BIO_asn1_set_prefix(asn_bio, ndef_prefix, ndef_prefix_free); - BIO_asn1_set_suffix(asn_bio, ndef_suffix, ndef_suffix_free); - - /* - * Now let callback prepend any digest, cipher etc BIOs ASN1 structure - * needs. - */ - - sarg.out = out; - sarg.ndef_bio = NULL; - sarg.boundary = NULL; - - if (aux->asn1_cb(ASN1_OP_STREAM_PRE, &val, it, &sarg) <= 0) - goto err; - - ndef_aux->val = val; - ndef_aux->it = it; - ndef_aux->ndef_bio = sarg.ndef_bio; - ndef_aux->boundary = sarg.boundary; - ndef_aux->out = out; - - BIO_ctrl(asn_bio, BIO_C_SET_EX_ARG, 0, ndef_aux); - - return sarg.ndef_bio; - - err: - if (asn_bio) - BIO_free(asn_bio); - if (ndef_aux) - OPENSSL_free(ndef_aux); - return NULL; -} - -static int ndef_prefix(BIO *b, unsigned char **pbuf, int *plen, void *parg) -{ - NDEF_SUPPORT *ndef_aux; - unsigned char *p; - int derlen; - - if (!parg) - return 0; - - ndef_aux = *(NDEF_SUPPORT **)parg; - - derlen = ASN1_item_ndef_i2d(ndef_aux->val, NULL, ndef_aux->it); - p = OPENSSL_malloc(derlen); - if (p == NULL) - return 0; - - ndef_aux->derbuf = p; - *pbuf = p; - derlen = ASN1_item_ndef_i2d(ndef_aux->val, &p, ndef_aux->it); - - if (!*ndef_aux->boundary) - return 0; - - *plen = *ndef_aux->boundary - *pbuf; - - return 1; -} - -static int ndef_prefix_free(BIO *b, unsigned char **pbuf, int *plen, - void *parg) -{ - NDEF_SUPPORT *ndef_aux; - - if (!parg) - return 0; - - ndef_aux = *(NDEF_SUPPORT **)parg; - - if (ndef_aux->derbuf) - OPENSSL_free(ndef_aux->derbuf); - - ndef_aux->derbuf = NULL; - *pbuf = NULL; - *plen = 0; - return 1; -} - -static int ndef_suffix_free(BIO *b, unsigned char **pbuf, int *plen, - void *parg) -{ - NDEF_SUPPORT **pndef_aux = (NDEF_SUPPORT **)parg; - if (!ndef_prefix_free(b, pbuf, plen, parg)) - return 0; - OPENSSL_free(*pndef_aux); - *pndef_aux = NULL; - return 1; -} - -static int ndef_suffix(BIO *b, unsigned char **pbuf, int *plen, void *parg) -{ - NDEF_SUPPORT *ndef_aux; - unsigned char *p; - int derlen; - const ASN1_AUX *aux; - ASN1_STREAM_ARG sarg; - - if (!parg) - return 0; - - ndef_aux = *(NDEF_SUPPORT **)parg; - - aux = ndef_aux->it->funcs; - - /* Finalize structures */ - sarg.ndef_bio = ndef_aux->ndef_bio; - sarg.out = ndef_aux->out; - sarg.boundary = ndef_aux->boundary; - if (aux->asn1_cb(ASN1_OP_STREAM_POST, - &ndef_aux->val, ndef_aux->it, &sarg) <= 0) - return 0; - - derlen = ASN1_item_ndef_i2d(ndef_aux->val, NULL, ndef_aux->it); - p = OPENSSL_malloc(derlen); - if (p == NULL) - return 0; - - ndef_aux->derbuf = p; - *pbuf = p; - derlen = ASN1_item_ndef_i2d(ndef_aux->val, &p, ndef_aux->it); - - if (!*ndef_aux->boundary) - return 0; - *pbuf = *ndef_aux->boundary; - *plen = derlen - (*ndef_aux->boundary - ndef_aux->derbuf); - - return 1; -} |