diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/asn1/a_object.c')
-rw-r--r-- | Cryptlib/OpenSSL/crypto/asn1/a_object.c | 144 |
1 files changed, 90 insertions, 54 deletions
diff --git a/Cryptlib/OpenSSL/crypto/asn1/a_object.c b/Cryptlib/OpenSSL/crypto/asn1/a_object.c index 79f0ecd2..229a40ff 100644 --- a/Cryptlib/OpenSSL/crypto/asn1/a_object.c +++ b/Cryptlib/OpenSSL/crypto/asn1/a_object.c @@ -1,23 +1,70 @@ -/* - * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. +/* crypto/asn1/a_object.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. * - * Licensed under the OpenSSL license (the "License"). You may not use - * this file except in compliance with the License. You can obtain a copy - * in the file LICENSE in the source distribution or at - * https://www.openssl.org/source/license.html + * 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 <limits.h> -#include "internal/cryptlib.h" +#include "cryptlib.h" #include <openssl/buffer.h> #include <openssl/asn1.h> #include <openssl/objects.h> #include <openssl/bn.h> -#include "internal/asn1_int.h" -#include "asn1_locl.h" -int i2d_ASN1_OBJECT(const ASN1_OBJECT *a, unsigned char **pp) +int i2d_ASN1_OBJECT(ASN1_OBJECT *a, unsigned char **pp) { unsigned char *p; int objsize; @@ -90,9 +137,9 @@ int a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num) } if (!use_bn && l >= ((ULONG_MAX - 80) / 10L)) { use_bn = 1; - if (bl == NULL) + if (!bl) bl = BN_new(); - if (bl == NULL || !BN_set_word(bl, l)) + if (!bl || !BN_set_word(bl, l)) goto err; } if (use_bn) { @@ -124,7 +171,7 @@ int a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num) OPENSSL_free(tmp); tmpsize = blsize + 32; tmp = OPENSSL_malloc(tmpsize); - if (tmp == NULL) + if (!tmp) goto err; } while (blsize--) { @@ -156,21 +203,23 @@ int a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num) } if (tmp != ftmp) OPENSSL_free(tmp); - BN_free(bl); + if (bl) + BN_free(bl); return (len); err: if (tmp != ftmp) OPENSSL_free(tmp); - BN_free(bl); + if (bl) + BN_free(bl); return (0); } -int i2t_ASN1_OBJECT(char *buf, int buf_len, const ASN1_OBJECT *a) +int i2t_ASN1_OBJECT(char *buf, int buf_len, ASN1_OBJECT *a) { return OBJ_obj2txt(buf, buf_len, a, 0); } -int i2a_ASN1_OBJECT(BIO *bp, const ASN1_OBJECT *a) +int i2a_ASN1_OBJECT(BIO *bp, ASN1_OBJECT *a) { char buf[80], *p = buf; int i; @@ -180,15 +229,12 @@ int i2a_ASN1_OBJECT(BIO *bp, const ASN1_OBJECT *a) i = i2t_ASN1_OBJECT(buf, sizeof buf, a); if (i > (int)(sizeof(buf) - 1)) { p = OPENSSL_malloc(i + 1); - if (p == NULL) + if (!p) return -1; i2t_ASN1_OBJECT(p, i + 1, a); } - if (i <= 0) { - i = BIO_write(bp, "<INVALID>", 9); - i += BIO_dump(bp, (const char *)a->data, a->length); - return i; - } + if (i <= 0) + return BIO_write(bp, "<INVALID>", 9); BIO_write(bp, p, i); if (p != buf) OPENSSL_free(p); @@ -226,7 +272,7 @@ ASN1_OBJECT *d2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, ASN1_OBJECT *c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, long len) { - ASN1_OBJECT *ret = NULL, tobj; + ASN1_OBJECT *ret = NULL; const unsigned char *p; unsigned char *data; int i, length; @@ -243,29 +289,6 @@ ASN1_OBJECT *c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, } /* Now 0 < len <= INT_MAX, so the cast is safe. */ length = (int)len; - /* - * Try to lookup OID in table: these are all valid encodings so if we get - * a match we know the OID is valid. - */ - tobj.nid = NID_undef; - tobj.data = p; - tobj.length = length; - tobj.flags = 0; - i = OBJ_obj2nid(&tobj); - if (i != NID_undef) { - /* - * Return shared registered OID object: this improves efficiency - * because we don't have to return a dynamically allocated OID - * and NID lookups can use the cached value. - */ - ret = OBJ_nid2obj(i); - if (a) { - ASN1_OBJECT_free(*a); - *a = ret; - } - *pp += len; - return ret; - } for (i = 0; i < length; i++, p++) { if (*p == 0x80 && (!i || !(p[-1] & 0x80))) { ASN1err(ASN1_F_C2I_ASN1_OBJECT, ASN1_R_INVALID_OBJECT_ENCODING); @@ -291,8 +314,9 @@ ASN1_OBJECT *c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, /* once detached we can change it */ if ((data == NULL) || (ret->length < length)) { ret->length = 0; - OPENSSL_free(data); - data = OPENSSL_malloc(length); + if (data != NULL) + OPENSSL_free(data); + data = (unsigned char *)OPENSSL_malloc(length); if (data == NULL) { i = ERR_R_MALLOC_FAILURE; goto err; @@ -314,7 +338,7 @@ ASN1_OBJECT *c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, return (ret); err: ASN1err(ASN1_F_C2I_ASN1_OBJECT, i); - if ((a == NULL) || (*a != ret)) + if ((ret != NULL) && ((a == NULL) || (*a != ret))) ASN1_OBJECT_free(ret); return (NULL); } @@ -323,11 +347,16 @@ ASN1_OBJECT *ASN1_OBJECT_new(void) { ASN1_OBJECT *ret; - ret = OPENSSL_zalloc(sizeof(*ret)); + ret = (ASN1_OBJECT *)OPENSSL_malloc(sizeof(ASN1_OBJECT)); if (ret == NULL) { ASN1err(ASN1_F_ASN1_OBJECT_NEW, ERR_R_MALLOC_FAILURE); return (NULL); } + ret->length = 0; + ret->data = NULL; + ret->nid = 0; + ret->sn = NULL; + ret->ln = NULL; ret->flags = ASN1_OBJECT_FLAG_DYNAMIC; return (ret); } @@ -340,13 +369,16 @@ void ASN1_OBJECT_free(ASN1_OBJECT *a) #ifndef CONST_STRICT /* disable purely for compile-time strict * const checking. Doing this on a "real" * compile will cause memory leaks */ - OPENSSL_free((void*)a->sn); - OPENSSL_free((void*)a->ln); + if (a->sn != NULL) + OPENSSL_free((void *)a->sn); + if (a->ln != NULL) + OPENSSL_free((void *)a->ln); #endif a->sn = a->ln = NULL; } if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_DATA) { - OPENSSL_free((void*)a->data); + if (a->data != NULL) + OPENSSL_free((void *)a->data); a->data = NULL; a->length = 0; } @@ -368,3 +400,7 @@ ASN1_OBJECT *ASN1_OBJECT_create(int nid, unsigned char *data, int len, ASN1_OBJECT_FLAG_DYNAMIC_DATA; return (OBJ_dup(&o)); } + +IMPLEMENT_STACK_OF(ASN1_OBJECT) + +IMPLEMENT_ASN1_SET_OF(ASN1_OBJECT) |