diff options
Diffstat (limited to 'crypto/x509/x509_att.c')
-rw-r--r-- | crypto/x509/x509_att.c | 147 |
1 files changed, 43 insertions, 104 deletions
diff --git a/crypto/x509/x509_att.c b/crypto/x509/x509_att.c index 25010753078c..63895efe4608 100644 --- a/crypto/x509/x509_att.c +++ b/crypto/x509/x509_att.c @@ -1,69 +1,21 @@ -/* crypto/x509/x509_att.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2017 The OpenSSL Project Authors. 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.] + * 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 */ #include <stdio.h> -#include <openssl/stack.h> -#include "cryptlib.h" +#include "internal/cryptlib.h" +#include <openssl/safestack.h> #include <openssl/asn1.h> #include <openssl/objects.h> #include <openssl/evp.h> #include <openssl/x509.h> #include <openssl/x509v3.h> +#include "x509_lcl.h" int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x) { @@ -73,22 +25,21 @@ int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x) int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid, int lastpos) { - ASN1_OBJECT *obj; + const ASN1_OBJECT *obj = OBJ_nid2obj(nid); - obj = OBJ_nid2obj(nid); if (obj == NULL) - return (-2); - return (X509at_get_attr_by_OBJ(x, obj, lastpos)); + return -2; + return X509at_get_attr_by_OBJ(x, obj, lastpos); } int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk, - ASN1_OBJECT *obj, int lastpos) + const ASN1_OBJECT *obj, int lastpos) { int n; X509_ATTRIBUTE *ex; if (sk == NULL) - return (-1); + return -1; lastpos++; if (lastpos < 0) lastpos = 0; @@ -96,17 +47,17 @@ int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk, for (; lastpos < n; lastpos++) { ex = sk_X509_ATTRIBUTE_value(sk, lastpos); if (OBJ_cmp(ex->object, obj) == 0) - return (lastpos); + return lastpos; } - return (-1); + return -1; } X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc) { if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) return NULL; - else - return sk_X509_ATTRIBUTE_value(x, loc); + + return sk_X509_ATTRIBUTE_value(x, loc); } X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc) @@ -114,9 +65,9 @@ X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc) X509_ATTRIBUTE *ret; if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) - return (NULL); + return NULL; ret = sk_X509_ATTRIBUTE_delete(x, loc); - return (ret); + return ret; } STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x, @@ -142,15 +93,13 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x, goto err; if (*x == NULL) *x = sk; - return (sk); + return sk; err: X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_MALLOC_FAILURE); err2: - if (new_attr != NULL) - X509_ATTRIBUTE_free(new_attr); - if (sk != NULL) - sk_X509_ATTRIBUTE_free(sk); - return (NULL); + X509_ATTRIBUTE_free(new_attr); + sk_X509_ATTRIBUTE_free(sk); + return NULL; } STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) @@ -201,7 +150,7 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) } void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x, - ASN1_OBJECT *obj, int lastpos, int type) + const ASN1_OBJECT *obj, int lastpos, int type) { int i; X509_ATTRIBUTE *at; @@ -226,12 +175,12 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid, obj = OBJ_nid2obj(nid); if (obj == NULL) { X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_NID, X509_R_UNKNOWN_NID); - return (NULL); + return NULL; } ret = X509_ATTRIBUTE_create_by_OBJ(attr, obj, atrtype, data, len); if (ret == NULL) ASN1_OBJECT_free(obj); - return (ret); + return ret; } X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr, @@ -245,7 +194,7 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr, if ((ret = X509_ATTRIBUTE_new()) == NULL) { X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_OBJ, ERR_R_MALLOC_FAILURE); - return (NULL); + return NULL; } } else ret = *attr; @@ -257,11 +206,11 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr, if ((attr != NULL) && (*attr == NULL)) *attr = ret; - return (ret); + return ret; err: if ((attr == NULL) || (ret != *attr)) X509_ATTRIBUTE_free(ret); - return (NULL); + return NULL; } X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr, @@ -277,7 +226,7 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr, X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_TXT, X509_R_INVALID_FIELD_NAME); ERR_add_error_data(2, "name=", atrname); - return (NULL); + return NULL; } nattr = X509_ATTRIBUTE_create_by_OBJ(attr, obj, type, bytes, len); ASN1_OBJECT_free(obj); @@ -287,10 +236,10 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr, int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj) { if ((attr == NULL) || (obj == NULL)) - return (0); + return 0; ASN1_OBJECT_free(attr->object); attr->object = OBJ_dup(obj); - return (1); + return attr->object != NULL; } int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, @@ -310,15 +259,12 @@ int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, } atype = stmp->type; } else if (len != -1) { - if (!(stmp = ASN1_STRING_type_new(attrtype))) + if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL) goto err; if (!ASN1_STRING_set(stmp, data, len)) goto err; atype = attrtype; } - if (!(attr->value.set = sk_ASN1_TYPE_new_null())) - goto err; - attr->single = 0; /* * This is a bit naughty because the attribute should really have at * least one value but some types use and zero length SET and require @@ -328,7 +274,7 @@ int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, ASN1_STRING_free(stmp); return 1; } - if (!(ttmp = ASN1_TYPE_new())) + if ((ttmp = ASN1_TYPE_new()) == NULL) goto err; if ((len == -1) && !(attrtype & MBSTRING_FLAG)) { if (!ASN1_TYPE_set1(ttmp, attrtype, data)) @@ -337,7 +283,7 @@ int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, ASN1_TYPE_set(ttmp, atype, stmp); stmp = NULL; } - if (!sk_ASN1_TYPE_push(attr->value.set, ttmp)) + if (!sk_ASN1_TYPE_push(attr->set, ttmp)) goto err; return 1; err: @@ -347,20 +293,18 @@ int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, return 0; } -int X509_ATTRIBUTE_count(X509_ATTRIBUTE *attr) +int X509_ATTRIBUTE_count(const X509_ATTRIBUTE *attr) { - if (!attr->single) - return sk_ASN1_TYPE_num(attr->value.set); - if (attr->value.single) - return 1; - return 0; + if (attr == NULL) + return 0; + return sk_ASN1_TYPE_num(attr->set); } ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr) { if (attr == NULL) - return (NULL); - return (attr->object); + return NULL; + return attr->object; } void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx, @@ -380,11 +324,6 @@ void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx, ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx) { if (attr == NULL) - return (NULL); - if (idx >= X509_ATTRIBUTE_count(attr)) return NULL; - if (!attr->single) - return sk_ASN1_TYPE_value(attr->value.set, idx); - else - return attr->value.single; + return sk_ASN1_TYPE_value(attr->set, idx); } |