/src/openssl32/crypto/x509/x509_att.c

Source (jump to first uncovered line)
/*
 * Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (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 "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 "crypto/x509.h"
#include "x509_local.h"

int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x)
{
    return sk_X509_ATTRIBUTE_num(x);
}

int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,
                           int lastpos)
{
    const ASN1_OBJECT *obj = OBJ_nid2obj(nid);

    if (obj == NULL)
        return -2;
    return X509at_get_attr_by_OBJ(x, obj, lastpos);
}

int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk,
                           const ASN1_OBJECT *obj, int lastpos)
{
    int n;
    X509_ATTRIBUTE *ex;

    if (sk == NULL)
        return -1;
    lastpos++;
    if (lastpos < 0)
        lastpos = 0;
    n = sk_X509_ATTRIBUTE_num(sk);
    for (; lastpos < n; lastpos++) {
        ex = sk_X509_ATTRIBUTE_value(sk, lastpos);
        if (OBJ_cmp(ex->object, obj) == 0)
            return lastpos;
    }
    return -1;
}

X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc)
{
    if (x == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        return NULL;
    }
    if (sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_INVALID_ARGUMENT);
        return NULL;
    }
    return sk_X509_ATTRIBUTE_value(x, loc);
}

X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc)
{
    if (x == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        return NULL;
    }
    if (sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_INVALID_ARGUMENT);
        return NULL;
    }
    return sk_X509_ATTRIBUTE_delete(x, loc);
}

STACK_OF(X509_ATTRIBUTE) *ossl_x509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
                                                X509_ATTRIBUTE *attr)
{
    X509_ATTRIBUTE *new_attr = NULL;
    STACK_OF(X509_ATTRIBUTE) *sk = NULL;

    if (x == NULL || attr == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        return NULL;
    }

    if (*x == NULL) {
        if ((sk = sk_X509_ATTRIBUTE_new_null()) == NULL) {
            ERR_raise(ERR_LIB_X509, ERR_R_CRYPTO_LIB);
            goto err;
        }
    } else {
        sk = *x;
    }

    if ((new_attr = X509_ATTRIBUTE_dup(attr)) == NULL)
        goto err;
    if (!sk_X509_ATTRIBUTE_push(sk, new_attr)) {
        ERR_raise(ERR_LIB_X509, ERR_R_CRYPTO_LIB);
        goto err;
    }
    if (*x == NULL)
        *x = sk;
    return sk;
 err:
    X509_ATTRIBUTE_free(new_attr);
    if (*x == NULL)
        sk_X509_ATTRIBUTE_free(sk);
    return NULL;
}

STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
                                           X509_ATTRIBUTE *attr)
{
    if (x == NULL || attr == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        return NULL;
    }
    if (*x != NULL && X509at_get_attr_by_OBJ(*x, attr->object, -1) != -1) {
        ERR_raise(ERR_LIB_X509, X509_R_DUPLICATE_ATTRIBUTE);
        return NULL;
    }

    return ossl_x509at_add1_attr(x, attr);
}

STACK_OF(X509_ATTRIBUTE) *ossl_x509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) **x,
                                                       const ASN1_OBJECT *obj,
                                                       int type,
                                                       const unsigned char *bytes,
                                                       int len)
{
    X509_ATTRIBUTE *attr;
    STACK_OF(X509_ATTRIBUTE) *ret;

    attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len);
    if (attr == NULL)
        return 0;
    ret = ossl_x509at_add1_attr(x, attr);
    X509_ATTRIBUTE_free(attr);
    return ret;
}

STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE)
                                                  **x, const ASN1_OBJECT *obj,
                                                  int type,
                                                  const unsigned char *bytes,
                                                  int len)
{
    if (x == NULL || obj == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        return NULL;
    }
    if (*x != NULL && X509at_get_attr_by_OBJ(*x, obj, -1) != -1) {
        ERR_raise(ERR_LIB_X509, X509_R_DUPLICATE_ATTRIBUTE);
        return NULL;
    }

    return ossl_x509at_add1_attr_by_OBJ(x, obj, type, bytes, len);
}

STACK_OF(X509_ATTRIBUTE) *ossl_x509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) **x,
                                                       int nid, int type,
                                                       const unsigned char *bytes,
                                                       int len)
{
    X509_ATTRIBUTE *attr;
    STACK_OF(X509_ATTRIBUTE) *ret;

    attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len);
    if (attr == NULL)
        return 0;
    ret = ossl_x509at_add1_attr(x, attr);
    X509_ATTRIBUTE_free(attr);
    return ret;
}

STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE)
                                                  **x, int nid, int type,
                                                  const unsigned char *bytes,
                                                  int len)
{
    if (x == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        return NULL;
    }
    if (*x != NULL && X509at_get_attr_by_NID(*x, nid, -1) != -1) {
        ERR_raise(ERR_LIB_X509, X509_R_DUPLICATE_ATTRIBUTE);
        return NULL;
    }

    return ossl_x509at_add1_attr_by_NID(x, nid, type, bytes, len);
}

STACK_OF(X509_ATTRIBUTE) *ossl_x509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) **x,
                                                       const char *attrname,
                                                       int type,
                                                       const unsigned char *bytes,
                                                       int len)
{
    X509_ATTRIBUTE *attr;
    STACK_OF(X509_ATTRIBUTE) *ret;

    attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len);
    if (attr == NULL)
        return 0;
    ret = ossl_x509at_add1_attr(x, attr);
    X509_ATTRIBUTE_free(attr);
    return ret;
}

STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE)
                                                  **x, const char *attrname,
                                                  int type,
                                                  const unsigned char *bytes,
                                                  int len)
{
    X509_ATTRIBUTE *attr;
    STACK_OF(X509_ATTRIBUTE) *ret;

    attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len);
    if (attr == NULL)
        return 0;
    ret = X509at_add1_attr(x, attr);
    X509_ATTRIBUTE_free(attr);
    return ret;
}

void *X509at_get0_data_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *x,
                              const ASN1_OBJECT *obj, int lastpos, int type)
{
    int i = X509at_get_attr_by_OBJ(x, obj, lastpos);
    X509_ATTRIBUTE *at;

    if (i == -1)
        return NULL;
    if (lastpos <= -2 && X509at_get_attr_by_OBJ(x, obj, i) != -1)
        return NULL;
    at = X509at_get_attr(x, i);
    if (lastpos <= -3 && X509_ATTRIBUTE_count(at) != 1)
        return NULL;
    return X509_ATTRIBUTE_get0_data(at, 0, type, NULL);
}

STACK_OF(X509_ATTRIBUTE) *ossl_x509at_dup(const STACK_OF(X509_ATTRIBUTE) *x)
{
    int i, n = sk_X509_ATTRIBUTE_num(x);
    STACK_OF(X509_ATTRIBUTE) *sk = NULL;

    for (i = 0; i < n; ++i) {
        if (X509at_add1_attr(&sk, sk_X509_ATTRIBUTE_value(x, i)) == NULL) {
            sk_X509_ATTRIBUTE_pop_free(sk, X509_ATTRIBUTE_free);
            return NULL;
        }
    }
    return sk;
}

X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
                                             int atrtype, const void *data,
                                             int len)
{
    ASN1_OBJECT *obj = OBJ_nid2obj(nid);
    X509_ATTRIBUTE *ret;

    if (obj == NULL) {
        ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_NID);
        return NULL;
    }
    ret = X509_ATTRIBUTE_create_by_OBJ(attr, obj, atrtype, data, len);
    if (ret == NULL)
        ASN1_OBJECT_free(obj);
    return ret;
}

X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
                                             const ASN1_OBJECT *obj,
                                             int atrtype, const void *data,
                                             int len)
{
    X509_ATTRIBUTE *ret;

    if (attr == NULL || *attr == NULL) {
        if ((ret = X509_ATTRIBUTE_new()) == NULL) {
            ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
            return NULL;
        }
    } else {
        ret = *attr;
    }

    if (!X509_ATTRIBUTE_set1_object(ret, obj))
        goto err;
    if (!X509_ATTRIBUTE_set1_data(ret, atrtype, data, len))
        goto err;

    if (attr != NULL && *attr == NULL)
        *attr = ret;
    return ret;
 err:
    if (attr == NULL || ret != *attr)
        X509_ATTRIBUTE_free(ret);
    return NULL;
}

X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
                                             const char *atrname, int type,
                                             const unsigned char *bytes,
                                             int len)
{
    ASN1_OBJECT *obj = OBJ_txt2obj(atrname, 0);
    X509_ATTRIBUTE *nattr;

    if (obj == NULL) {
        ERR_raise_data(ERR_LIB_X509, X509_R_INVALID_FIELD_NAME,
                       "name=%s", atrname);
        return NULL;
    }
    nattr = X509_ATTRIBUTE_create_by_OBJ(attr, obj, type, bytes, len);
    ASN1_OBJECT_free(obj);
    return nattr;
}

int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj)
{
    if (attr == NULL || obj == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        return 0;
    }
    ASN1_OBJECT_free(attr->object);
    attr->object = OBJ_dup(obj);
    return attr->object != NULL;
}

int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
                             const void *data, int len)
{
    ASN1_TYPE *ttmp = NULL;
    ASN1_STRING *stmp = NULL;
    int atype = 0;

    if (attr == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        return 0;
    }
    if ((attrtype & MBSTRING_FLAG) != 0) {
        stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,
                                      OBJ_obj2nid(attr->object));
        if (stmp == NULL) {
            ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
            return 0;
        }
        atype = stmp->type;
    } else if (len != -1) {
        if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL
            || !ASN1_STRING_set(stmp, data, len)) {
            ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
            goto err;
        }
        atype = attrtype;
    }
    /*
     * 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
     * this.
     */
    if (attrtype == 0) {
        ASN1_STRING_free(stmp);
        return 1;
    }
    if ((ttmp = ASN1_TYPE_new()) == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
        goto err;
    }
    if (len == -1 && (attrtype & MBSTRING_FLAG) == 0) {
        if (!ASN1_TYPE_set1(ttmp, attrtype, data)) {
            ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
            goto err;
        }
    } else {
        ASN1_TYPE_set(ttmp, atype, stmp);
        stmp = NULL;
    }
    if (!sk_ASN1_TYPE_push(attr->set, ttmp)) {
        ERR_raise(ERR_LIB_X509, ERR_R_CRYPTO_LIB);
        goto err;
    }
    return 1;
 err:
    ASN1_TYPE_free(ttmp);
    ASN1_STRING_free(stmp);
    return 0;
}

int X509_ATTRIBUTE_count(const X509_ATTRIBUTE *attr)
{
    if (attr == NULL)
        return 0;
    return sk_ASN1_TYPE_num(attr->set);
}

ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr)
{
    if (attr == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        return NULL;
    }
    return attr->object;
}

void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
                               int atrtype, void *data)
{
    ASN1_TYPE *ttmp = X509_ATTRIBUTE_get0_type(attr, idx);

    if (ttmp == NULL)
        return NULL;
    if (atrtype == V_ASN1_BOOLEAN
            || atrtype == V_ASN1_NULL
            || atrtype != ASN1_TYPE_get(ttmp)) {
        ERR_raise(ERR_LIB_X509, X509_R_WRONG_TYPE);
        return NULL;
    }
    return ttmp->value.ptr;
}

ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx)
{
    if (attr == NULL) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        return NULL;
    }
    return sk_ASN1_TYPE_value(attr->set, idx);
}

Coverage Report

Created: 2025-06-13 06:58

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved.
3		*
4		* Licensed under the Apache License 2.0 (the "License"). You may not use
5		* this file except in compliance with the License. You can obtain a copy
6		* in the file LICENSE in the source distribution or at
7		* https://www.openssl.org/source/license.html
8		*/
9
10		#include <stdio.h>
11		#include "internal/cryptlib.h"
12		#include <openssl/safestack.h>
13		#include <openssl/asn1.h>
14		#include <openssl/objects.h>
15		#include <openssl/evp.h>
16		#include <openssl/x509.h>
17		#include <openssl/x509v3.h>
18		#include "crypto/x509.h"
19		#include "x509_local.h"
20
21		int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x)
22	57.0k	{
23	57.0k	return sk_X509_ATTRIBUTE_num(x);
24	57.0k	}
25
26		int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,
27		int lastpos)
28	95	{
29	95	const ASN1_OBJECT *obj = OBJ_nid2obj(nid);
30
31	95	if (obj == NULL)
32	0	return -2;
33	95	return X509at_get_attr_by_OBJ(x, obj, lastpos);
34	95	}
35
36		int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk,
37		const ASN1_OBJECT *obj, int lastpos)
38	95	{
39	95	int n;
40	95	X509_ATTRIBUTE *ex;
41
42	95	if (sk == NULL)
43	0	return -1;
44	95	lastpos++;
45	95	if (lastpos < 0)
46	0	lastpos = 0;
47	95	n = sk_X509_ATTRIBUTE_num(sk);
48	343	for (; lastpos < n; lastpos++) {
49	265	ex = sk_X509_ATTRIBUTE_value(sk, lastpos);
50	265	if (OBJ_cmp(ex->object, obj) == 0)
51	17	return lastpos;
52	265	}
53	78	return -1;
54	95	}
55
56		X509_ATTRIBUTE X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) x, int loc)
57	52.3k	{
58	52.3k	if (x == NULL) {
59	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
60	0	return NULL;
61	0	}
62	52.3k	if (sk_X509_ATTRIBUTE_num(x) <= loc \|\| loc < 0) {
63	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_INVALID_ARGUMENT);
64	0	return NULL;
65	0	}
66	52.3k	return sk_X509_ATTRIBUTE_value(x, loc);
67	52.3k	}
68
69		X509_ATTRIBUTE X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) x, int loc)
70	0	{
71	0	if (x == NULL) {
72	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
73	0	return NULL;
74	0	}
75	0	if (sk_X509_ATTRIBUTE_num(x) <= loc \|\| loc < 0) {
76	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_INVALID_ARGUMENT);
77	0	return NULL;
78	0	}
79	0	return sk_X509_ATTRIBUTE_delete(x, loc);
80	0	}
81
82		STACK_OF(X509_ATTRIBUTE) ossl_x509at_add1_attr(STACK_OF(X509_ATTRIBUTE) *x,
83		X509_ATTRIBUTE *attr)
84	0	{
85	0	X509_ATTRIBUTE *new_attr = NULL;
86	0	STACK_OF(X509_ATTRIBUTE) *sk = NULL;
87
88	0	if (x == NULL \|\| attr == NULL) {
89	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
90	0	return NULL;
91	0	}
92
93	0	if (*x == NULL) {
94	0	if ((sk = sk_X509_ATTRIBUTE_new_null()) == NULL) {
95	0	ERR_raise(ERR_LIB_X509, ERR_R_CRYPTO_LIB);
96	0	goto err;
97	0	}
98	0	} else {
99	0	sk = *x;
100	0	}
101
102	0	if ((new_attr = X509_ATTRIBUTE_dup(attr)) == NULL)
103	0	goto err;
104	0	if (!sk_X509_ATTRIBUTE_push(sk, new_attr)) {
105	0	ERR_raise(ERR_LIB_X509, ERR_R_CRYPTO_LIB);
106	0	goto err;
107	0	}
108	0	if (*x == NULL)
109	0	*x = sk;
110	0	return sk;
111	0	err:
112	0	X509_ATTRIBUTE_free(new_attr);
113	0	if (*x == NULL)
114	0	sk_X509_ATTRIBUTE_free(sk);
115	0	return NULL;
116	0	}
117
118		STACK_OF(X509_ATTRIBUTE) X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) *x,
119		X509_ATTRIBUTE *attr)
120	0	{
121	0	if (x == NULL \|\| attr == NULL) {
122	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
123	0	return NULL;
124	0	}
125	0	if (x != NULL && X509at_get_attr_by_OBJ(x, attr->object, -1) != -1) {
126	0	ERR_raise(ERR_LIB_X509, X509_R_DUPLICATE_ATTRIBUTE);
127	0	return NULL;
128	0	}
129
130	0	return ossl_x509at_add1_attr(x, attr);
131	0	}
132
133		STACK_OF(X509_ATTRIBUTE) ossl_x509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x,
134		const ASN1_OBJECT *obj,
135		int type,
136		const unsigned char *bytes,
137		int len)
138	0	{
139	0	X509_ATTRIBUTE *attr;
140	0	STACK_OF(X509_ATTRIBUTE) *ret;
141
142	0	attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len);
143	0	if (attr == NULL)
144	0	return 0;
145	0	ret = ossl_x509at_add1_attr(x, attr);
146	0	X509_ATTRIBUTE_free(attr);
147	0	return ret;
148	0	}
149
150		STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE)
151		*x, const ASN1_OBJECT obj,
152		int type,
153		const unsigned char *bytes,
154		int len)
155	0	{
156	0	if (x == NULL \|\| obj == NULL) {
157	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
158	0	return NULL;
159	0	}
160	0	if (x != NULL && X509at_get_attr_by_OBJ(x, obj, -1) != -1) {
161	0	ERR_raise(ERR_LIB_X509, X509_R_DUPLICATE_ATTRIBUTE);
162	0	return NULL;
163	0	}
164
165	0	return ossl_x509at_add1_attr_by_OBJ(x, obj, type, bytes, len);
166	0	}
167
168		STACK_OF(X509_ATTRIBUTE) ossl_x509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) *x,
169		int nid, int type,
170		const unsigned char *bytes,
171		int len)
172	0	{
173	0	X509_ATTRIBUTE *attr;
174	0	STACK_OF(X509_ATTRIBUTE) *ret;
175
176	0	attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len);
177	0	if (attr == NULL)
178	0	return 0;
179	0	ret = ossl_x509at_add1_attr(x, attr);
180	0	X509_ATTRIBUTE_free(attr);
181	0	return ret;
182	0	}
183
184		STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE)
185		**x, int nid, int type,
186		const unsigned char *bytes,
187		int len)
188	0	{
189	0	if (x == NULL) {
190	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
191	0	return NULL;
192	0	}
193	0	if (x != NULL && X509at_get_attr_by_NID(x, nid, -1) != -1) {
194	0	ERR_raise(ERR_LIB_X509, X509_R_DUPLICATE_ATTRIBUTE);
195	0	return NULL;
196	0	}
197
198	0	return ossl_x509at_add1_attr_by_NID(x, nid, type, bytes, len);
199	0	}
200
201		STACK_OF(X509_ATTRIBUTE) ossl_x509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) *x,
202		const char *attrname,
203		int type,
204		const unsigned char *bytes,
205		int len)
206	0	{
207	0	X509_ATTRIBUTE *attr;
208	0	STACK_OF(X509_ATTRIBUTE) *ret;
209
210	0	attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len);
211	0	if (attr == NULL)
212	0	return 0;
213	0	ret = ossl_x509at_add1_attr(x, attr);
214	0	X509_ATTRIBUTE_free(attr);
215	0	return ret;
216	0	}
217
218		STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE)
219		*x, const char attrname,
220		int type,
221		const unsigned char *bytes,
222		int len)
223	0	{
224	0	X509_ATTRIBUTE *attr;
225	0	STACK_OF(X509_ATTRIBUTE) *ret;
226
227	0	attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len);
228	0	if (attr == NULL)
229	0	return 0;
230	0	ret = X509at_add1_attr(x, attr);
231	0	X509_ATTRIBUTE_free(attr);
232	0	return ret;
233	0	}
234
235		void X509at_get0_data_by_OBJ(const STACK_OF(X509_ATTRIBUTE) x,
236		const ASN1_OBJECT *obj, int lastpos, int type)
237	0	{
238	0	int i = X509at_get_attr_by_OBJ(x, obj, lastpos);
239	0	X509_ATTRIBUTE *at;
240
241	0	if (i == -1)
242	0	return NULL;
243	0	if (lastpos <= -2 && X509at_get_attr_by_OBJ(x, obj, i) != -1)
244	0	return NULL;
245	0	at = X509at_get_attr(x, i);
246	0	if (lastpos <= -3 && X509_ATTRIBUTE_count(at) != 1)
247	0	return NULL;
248	0	return X509_ATTRIBUTE_get0_data(at, 0, type, NULL);
249	0	}
250
251		STACK_OF(X509_ATTRIBUTE) ossl_x509at_dup(const STACK_OF(X509_ATTRIBUTE) x)
252	0	{
253	0	int i, n = sk_X509_ATTRIBUTE_num(x);
254	0	STACK_OF(X509_ATTRIBUTE) *sk = NULL;
255
256	0	for (i = 0; i < n; ++i) {
257	0	if (X509at_add1_attr(&sk, sk_X509_ATTRIBUTE_value(x, i)) == NULL) {
258	0	sk_X509_ATTRIBUTE_pop_free(sk, X509_ATTRIBUTE_free);
259	0	return NULL;
260	0	}
261	0	}
262	0	return sk;
263	0	}
264
265		X509_ATTRIBUTE X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE *attr, int nid,
266		int atrtype, const void *data,
267		int len)
268	0	{
269	0	ASN1_OBJECT *obj = OBJ_nid2obj(nid);
270	0	X509_ATTRIBUTE *ret;
271
272	0	if (obj == NULL) {
273	0	ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_NID);
274	0	return NULL;
275	0	}
276	0	ret = X509_ATTRIBUTE_create_by_OBJ(attr, obj, atrtype, data, len);
277	0	if (ret == NULL)
278	0	ASN1_OBJECT_free(obj);
279	0	return ret;
280	0	}
281
282		X509_ATTRIBUTE X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE *attr,
283		const ASN1_OBJECT *obj,
284		int atrtype, const void *data,
285		int len)
286	0	{
287	0	X509_ATTRIBUTE *ret;
288
289	0	if (attr == NULL \|\| *attr == NULL) {
290	0	if ((ret = X509_ATTRIBUTE_new()) == NULL) {
291	0	ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
292	0	return NULL;
293	0	}
294	0	} else {
295	0	ret = *attr;
296	0	}
297
298	0	if (!X509_ATTRIBUTE_set1_object(ret, obj))
299	0	goto err;
300	0	if (!X509_ATTRIBUTE_set1_data(ret, atrtype, data, len))
301	0	goto err;
302
303	0	if (attr != NULL && *attr == NULL)
304	0	*attr = ret;
305	0	return ret;
306	0	err:
307	0	if (attr == NULL \|\| ret != *attr)
308	0	X509_ATTRIBUTE_free(ret);
309	0	return NULL;
310	0	}
311
312		X509_ATTRIBUTE X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE *attr,
313		const char *atrname, int type,
314		const unsigned char *bytes,
315		int len)
316	0	{
317	0	ASN1_OBJECT *obj = OBJ_txt2obj(atrname, 0);
318	0	X509_ATTRIBUTE *nattr;
319
320	0	if (obj == NULL) {
321	0	ERR_raise_data(ERR_LIB_X509, X509_R_INVALID_FIELD_NAME,
322	0	"name=%s", atrname);
323	0	return NULL;
324	0	}
325	0	nattr = X509_ATTRIBUTE_create_by_OBJ(attr, obj, type, bytes, len);
326	0	ASN1_OBJECT_free(obj);
327	0	return nattr;
328	0	}
329
330		int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE attr, const ASN1_OBJECT obj)
331	0	{
332	0	if (attr == NULL \|\| obj == NULL) {
333	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
334	0	return 0;
335	0	}
336	0	ASN1_OBJECT_free(attr->object);
337	0	attr->object = OBJ_dup(obj);
338	0	return attr->object != NULL;
339	0	}
340
341		int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
342		const void *data, int len)
343	0	{
344	0	ASN1_TYPE *ttmp = NULL;
345	0	ASN1_STRING *stmp = NULL;
346	0	int atype = 0;
347
348	0	if (attr == NULL) {
349	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
350	0	return 0;
351	0	}
352	0	if ((attrtype & MBSTRING_FLAG) != 0) {
353	0	stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,
354	0	OBJ_obj2nid(attr->object));
355	0	if (stmp == NULL) {
356	0	ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
357	0	return 0;
358	0	}
359	0	atype = stmp->type;
360	0	} else if (len != -1) {
361	0	if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL
362	0	\|\| !ASN1_STRING_set(stmp, data, len)) {
363	0	ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
364	0	goto err;
365	0	}
366	0	atype = attrtype;
367	0	}
368		/*
369		* This is a bit naughty because the attribute should really have at
370		* least one value but some types use and zero length SET and require
371		* this.
372		*/
373	0	if (attrtype == 0) {
374	0	ASN1_STRING_free(stmp);
375	0	return 1;
376	0	}
377	0	if ((ttmp = ASN1_TYPE_new()) == NULL) {
378	0	ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
379	0	goto err;
380	0	}
381	0	if (len == -1 && (attrtype & MBSTRING_FLAG) == 0) {
382	0	if (!ASN1_TYPE_set1(ttmp, attrtype, data)) {
383	0	ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
384	0	goto err;
385	0	}
386	0	} else {
387	0	ASN1_TYPE_set(ttmp, atype, stmp);
388	0	stmp = NULL;
389	0	}
390	0	if (!sk_ASN1_TYPE_push(attr->set, ttmp)) {
391	0	ERR_raise(ERR_LIB_X509, ERR_R_CRYPTO_LIB);
392	0	goto err;
393	0	}
394	0	return 1;
395	0	err:
396	0	ASN1_TYPE_free(ttmp);
397	0	ASN1_STRING_free(stmp);
398	0	return 0;
399	0	}
400
401		int X509_ATTRIBUTE_count(const X509_ATTRIBUTE *attr)
402	194k	{
403	194k	if (attr == NULL)
404	0	return 0;
405	194k	return sk_ASN1_TYPE_num(attr->set);
406	194k	}
407
408		ASN1_OBJECT X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE attr)
409	83.9k	{
410	83.9k	if (attr == NULL) {
411	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
412	0	return NULL;
413	0	}
414	83.9k	return attr->object;
415	83.9k	}
416
417		void X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE attr, int idx,
418		int atrtype, void *data)
419	0	{
420	0	ASN1_TYPE *ttmp = X509_ATTRIBUTE_get0_type(attr, idx);
421
422	0	if (ttmp == NULL)
423	0	return NULL;
424	0	if (atrtype == V_ASN1_BOOLEAN
425	0	\|\| atrtype == V_ASN1_NULL
426	0	\|\| atrtype != ASN1_TYPE_get(ttmp)) {
427	0	ERR_raise(ERR_LIB_X509, X509_R_WRONG_TYPE);
428	0	return NULL;
429	0	}
430	0	return ttmp->value.ptr;
431	0	}
432
433		ASN1_TYPE X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE attr, int idx)
434	2.77M	{
435	2.77M	if (attr == NULL) {
436	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
437	0	return NULL;
438	0	}
439	2.77M	return sk_ASN1_TYPE_value(attr->set, idx);
440	2.77M	}