X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fasn1%2Fasn_pack.c;h=d8655badb8d5645c3d09e244aa35c6177b225f23;hb=c99de0533debc8a6ed08b47b414bdea19457eafd;hp=7aefde21ef15e8f5be9d9d3ad38b737e3e850137;hpb=8bb826ee53b726a9a2a42792ecb861194578404d;p=oweals%2Fopenssl.git diff --git a/crypto/asn1/asn_pack.c b/crypto/asn1/asn_pack.c index 7aefde21ef..d8655badb8 100644 --- a/crypto/asn1/asn_pack.c +++ b/crypto/asn1/asn_pack.c @@ -1,6 +1,7 @@ /* asn_pack.c */ -/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL - * project 1999. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 1999. */ /* ==================================================================== * Copyright (c) 1999 The OpenSSL Project. All rights reserved. @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -57,135 +58,48 @@ */ #include -#include "cryptlib.h" +#include "internal/cryptlib.h" #include -#ifndef NO_ASN1_OLD - /* ASN1 packing and unpacking functions */ -/* Turn an ASN1 encoded SEQUENCE OF into a STACK of structures */ - -STACK *ASN1_seq_unpack(const unsigned char *buf, int len, - d2i_of_void *d2i,void (*free_func)(void *)) -{ - STACK *sk; - const unsigned char *pbuf; - pbuf = buf; - if (!(sk = d2i_ASN1_SET(NULL, &pbuf, len, d2i, free_func, - V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL))) - ASN1err(ASN1_F_ASN1_SEQ_UNPACK,ASN1_R_DECODE_ERROR); - return sk; -} - -/* Turn a STACK structures into an ASN1 encoded SEQUENCE OF structure in a - * OPENSSL_malloc'ed buffer - */ - -unsigned char *ASN1_seq_pack(STACK *safes, i2d_of_void *i2d, - unsigned char **buf, int *len) -{ - int safelen; - unsigned char *safe, *p; - if (!(safelen = i2d_ASN1_SET(safes, NULL, i2d, V_ASN1_SEQUENCE, - V_ASN1_UNIVERSAL, IS_SEQUENCE))) { - ASN1err(ASN1_F_ASN1_SEQ_PACK,ASN1_R_ENCODE_ERROR); - return NULL; - } - if (!(safe = OPENSSL_malloc (safelen))) { - ASN1err(ASN1_F_ASN1_SEQ_PACK,ERR_R_MALLOC_FAILURE); - return NULL; - } - p = safe; - i2d_ASN1_SET(safes, &p, i2d, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL, - IS_SEQUENCE); - if (len) *len = safelen; - if (buf) *buf = safe; - return safe; -} - -/* Extract an ASN1 object from an ASN1_STRING */ - -void *ASN1_unpack_string (ASN1_STRING *oct, d2i_of_void *d2i) -{ - const unsigned char *p; - char *ret; - - p = oct->data; - if(!(ret = d2i(NULL, &p, oct->length))) - ASN1err(ASN1_F_ASN1_UNPACK_STRING,ASN1_R_DECODE_ERROR); - return ret; -} - -/* Pack an ASN1 object into an ASN1_STRING */ - -ASN1_STRING *ASN1_pack_string(void *obj, i2d_of_void *i2d, ASN1_STRING **oct) -{ - unsigned char *p; - ASN1_STRING *octmp; - - if (!oct || !*oct) { - if (!(octmp = ASN1_STRING_new ())) { - ASN1err(ASN1_F_ASN1_PACK_STRING,ERR_R_MALLOC_FAILURE); - return NULL; - } - if (oct) *oct = octmp; - } else octmp = *oct; - - if (!(octmp->length = i2d(obj, NULL))) { - ASN1err(ASN1_F_ASN1_PACK_STRING,ASN1_R_ENCODE_ERROR); - return NULL; - } - if (!(p = OPENSSL_malloc (octmp->length))) { - ASN1err(ASN1_F_ASN1_PACK_STRING,ERR_R_MALLOC_FAILURE); - return NULL; - } - octmp->data = p; - i2d (obj, &p); - return octmp; -} - -#endif - -/* ASN1_ITEM versions of the above */ - ASN1_STRING *ASN1_item_pack(void *obj, const ASN1_ITEM *it, ASN1_STRING **oct) { - ASN1_STRING *octmp; - - if (!oct || !*oct) { - if (!(octmp = ASN1_STRING_new ())) { - ASN1err(ASN1_F_ASN1_PACK_STRING,ERR_R_MALLOC_FAILURE); - return NULL; - } - if (oct) *oct = octmp; - } else octmp = *oct; - - if(octmp->data) { - OPENSSL_free(octmp->data); - octmp->data = NULL; - } - - if (!(octmp->length = ASN1_item_i2d(obj, &octmp->data, it))) { - ASN1err(ASN1_F_ASN1_PACK_STRING,ASN1_R_ENCODE_ERROR); - return NULL; - } - if (!octmp->data) { - ASN1err(ASN1_F_ASN1_PACK_STRING,ERR_R_MALLOC_FAILURE); - return NULL; - } - return octmp; + ASN1_STRING *octmp; + + if (oct == NULL|| *oct== NULL) { + if ((octmp = ASN1_STRING_new()) == NULL) { + ASN1err(ASN1_F_ASN1_ITEM_PACK, ERR_R_MALLOC_FAILURE); + return NULL; + } + if (oct) + *oct = octmp; + } else + octmp = *oct; + + OPENSSL_free(octmp->data); + octmp->data = NULL; + + if ((octmp->length = ASN1_item_i2d(obj, &octmp->data, it)) == 0) { + ASN1err(ASN1_F_ASN1_ITEM_PACK, ASN1_R_ENCODE_ERROR); + return NULL; + } + if (!octmp->data) { + ASN1err(ASN1_F_ASN1_ITEM_PACK, ERR_R_MALLOC_FAILURE); + return NULL; + } + return octmp; } /* Extract an ASN1 object from an ASN1_STRING */ void *ASN1_item_unpack(ASN1_STRING *oct, const ASN1_ITEM *it) { - const unsigned char *p; - void *ret; + const unsigned char *p; + void *ret; - p = oct->data; - if(!(ret = ASN1_item_d2i(NULL, &p, oct->length, it))) - ASN1err(ASN1_F_ASN1_UNPACK_STRING,ASN1_R_DECODE_ERROR); - return ret; + p = oct->data; + if ((ret = ASN1_item_d2i(NULL, &p, oct->length, it)) == NULL) + ASN1err(ASN1_F_ASN1_ITEM_UNPACK, ASN1_R_DECODE_ERROR); + return ret; }