/src/openssl30/crypto/x509/x509_att.c

Source (jump to first uncovered line)
/*
 * Copyright 1995-2021 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 || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)
        return NULL;

    return sk_X509_ATTRIBUTE_value(x, loc);
}

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;
    ret = sk_X509_ATTRIBUTE_delete(x, loc);
    return ret;
}

STACK_OF(X509_ATTRIBUTE) *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) {
        ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
        return NULL;
    }

    if (*x == NULL) {
        if ((sk = sk_X509_ATTRIBUTE_new_null()) == NULL)
            goto err;
    } else {
        sk = *x;
    }

    if ((new_attr = X509_ATTRIBUTE_dup(attr)) == NULL)
        goto err2;
    if (!sk_X509_ATTRIBUTE_push(sk, new_attr))
        goto err;
    if (*x == NULL)
        *x = sk;
    return sk;
 err:
    ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
 err2:
    X509_ATTRIBUTE_free(new_attr);
    if (*x == NULL)
        sk_X509_ATTRIBUTE_free(sk);
    return NULL;
}

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)
{
    X509_ATTRIBUTE *attr;
    STACK_OF(X509_ATTRIBUTE) *ret;
    attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len);
    if (!attr)
        return 0;
    ret = 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)
{
    X509_ATTRIBUTE *attr;
    STACK_OF(X509_ATTRIBUTE) *ret;
    attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len);
    if (!attr)
        return 0;
    ret = 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)
        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;
    X509_ATTRIBUTE *at;
    i = X509at_get_attr_by_OBJ(x, obj, lastpos);
    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;
    STACK_OF(X509_ATTRIBUTE) *sk = NULL;

    n = sk_X509_ATTRIBUTE_num(x);
    for (i = 0; i < n; ++i) {
        X509_ATTRIBUTE *attr = sk_X509_ATTRIBUTE_value(x, i);

        if (X509at_add1_attr(&sk, attr) == 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;
    X509_ATTRIBUTE *ret;

    obj = OBJ_nid2obj(nid);
    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_MALLOC_FAILURE);
            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;
    X509_ATTRIBUTE *nattr;

    obj = OBJ_txt2obj(atrname, 0);
    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))
        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)
        return 0;
    if (attrtype & MBSTRING_FLAG) {
        stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,
                                      OBJ_obj2nid(attr->object));
        if (!stmp) {
            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)
            goto err;
        if (!ASN1_STRING_set(stmp, data, len))
            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)
        goto err;
    if ((len == -1) && !(attrtype & MBSTRING_FLAG)) {
        if (!ASN1_TYPE_set1(ttmp, attrtype, data))
            goto err;
    } else {
        ASN1_TYPE_set(ttmp, atype, stmp);
        stmp = NULL;
    }
    if (!sk_ASN1_TYPE_push(attr->set, ttmp))
        goto err;
    return 1;
 err:
    ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
    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)
        return NULL;
    return attr->object;
}

void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
                               int atrtype, void *data)
{
    ASN1_TYPE *ttmp;
    ttmp = X509_ATTRIBUTE_get0_type(attr, idx);
    if (!ttmp)
        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)
        return NULL;
    return sk_ASN1_TYPE_value(attr->set, idx);
}

Coverage Report

Created: 2023-06-08 06:41

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 1995-2021 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	0	{
23	0	return sk_X509_ATTRIBUTE_num(x);
24	0	}
25
26		int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,
27		int lastpos)
28	0	{
29	0	const ASN1_OBJECT *obj = OBJ_nid2obj(nid);
30
31	0	if (obj == NULL)
32	0	return -2;
33	0	return X509at_get_attr_by_OBJ(x, obj, lastpos);
34	0	}
35
36		int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk,
37		const ASN1_OBJECT *obj, int lastpos)
38	0	{
39	0	int n;
40	0	X509_ATTRIBUTE *ex;
41
42	0	if (sk == NULL)
43	0	return -1;
44	0	lastpos++;
45	0	if (lastpos < 0)
46	0	lastpos = 0;
47	0	n = sk_X509_ATTRIBUTE_num(sk);
48	0	for (; lastpos < n; lastpos++) {
49	0	ex = sk_X509_ATTRIBUTE_value(sk, lastpos);
50	0	if (OBJ_cmp(ex->object, obj) == 0)
51	0	return lastpos;
52	0	}
53	0	return -1;
54	0	}
55
56		X509_ATTRIBUTE X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) x, int loc)
57	0	{
58	0	if (x == NULL \|\| sk_X509_ATTRIBUTE_num(x) <= loc \|\| loc < 0)
59	0	return NULL;
60
61	0	return sk_X509_ATTRIBUTE_value(x, loc);
62	0	}
63
64		X509_ATTRIBUTE X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) x, int loc)
65	0	{
66	0	X509_ATTRIBUTE *ret;
67
68	0	if (x == NULL \|\| sk_X509_ATTRIBUTE_num(x) <= loc \|\| loc < 0)
69	0	return NULL;
70	0	ret = sk_X509_ATTRIBUTE_delete(x, loc);
71	0	return ret;
72	0	}
73
74		STACK_OF(X509_ATTRIBUTE) X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) *x,
75		X509_ATTRIBUTE *attr)
76	0	{
77	0	X509_ATTRIBUTE *new_attr = NULL;
78	0	STACK_OF(X509_ATTRIBUTE) *sk = NULL;
79
80	0	if (x == NULL) {
81	0	ERR_raise(ERR_LIB_X509, ERR_R_PASSED_NULL_PARAMETER);
82	0	return NULL;
83	0	}
84
85	0	if (*x == NULL) {
86	0	if ((sk = sk_X509_ATTRIBUTE_new_null()) == NULL)
87	0	goto err;
88	0	} else {
89	0	sk = *x;
90	0	}
91
92	0	if ((new_attr = X509_ATTRIBUTE_dup(attr)) == NULL)
93	0	goto err2;
94	0	if (!sk_X509_ATTRIBUTE_push(sk, new_attr))
95	0	goto err;
96	0	if (*x == NULL)
97	0	*x = sk;
98	0	return sk;
99	0	err:
100	0	ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
101	0	err2:
102	0	X509_ATTRIBUTE_free(new_attr);
103	0	if (*x == NULL)
104	0	sk_X509_ATTRIBUTE_free(sk);
105	0	return NULL;
106	0	}
107
108		STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE)
109		*x, const ASN1_OBJECT obj,
110		int type,
111		const unsigned char *bytes,
112		int len)
113	0	{
114	0	X509_ATTRIBUTE *attr;
115	0	STACK_OF(X509_ATTRIBUTE) *ret;
116	0	attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len);
117	0	if (!attr)
118	0	return 0;
119	0	ret = X509at_add1_attr(x, attr);
120	0	X509_ATTRIBUTE_free(attr);
121	0	return ret;
122	0	}
123
124		STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE)
125		**x, int nid, int type,
126		const unsigned char *bytes,
127		int len)
128	0	{
129	0	X509_ATTRIBUTE *attr;
130	0	STACK_OF(X509_ATTRIBUTE) *ret;
131	0	attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len);
132	0	if (!attr)
133	0	return 0;
134	0	ret = X509at_add1_attr(x, attr);
135	0	X509_ATTRIBUTE_free(attr);
136	0	return ret;
137	0	}
138
139		STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE)
140		*x, const char attrname,
141		int type,
142		const unsigned char *bytes,
143		int len)
144	0	{
145	0	X509_ATTRIBUTE *attr;
146	0	STACK_OF(X509_ATTRIBUTE) *ret;
147	0	attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len);
148	0	if (!attr)
149	0	return 0;
150	0	ret = X509at_add1_attr(x, attr);
151	0	X509_ATTRIBUTE_free(attr);
152	0	return ret;
153	0	}
154
155		void X509at_get0_data_by_OBJ(const STACK_OF(X509_ATTRIBUTE) x,
156		const ASN1_OBJECT *obj, int lastpos, int type)
157	0	{
158	0	int i;
159	0	X509_ATTRIBUTE *at;
160	0	i = X509at_get_attr_by_OBJ(x, obj, lastpos);
161	0	if (i == -1)
162	0	return NULL;
163	0	if ((lastpos <= -2) && (X509at_get_attr_by_OBJ(x, obj, i) != -1))
164	0	return NULL;
165	0	at = X509at_get_attr(x, i);
166	0	if (lastpos <= -3 && (X509_ATTRIBUTE_count(at) != 1))
167	0	return NULL;
168	0	return X509_ATTRIBUTE_get0_data(at, 0, type, NULL);
169	0	}
170
171		STACK_OF(X509_ATTRIBUTE) ossl_x509at_dup(const STACK_OF(X509_ATTRIBUTE) x)
172	0	{
173	0	int i, n;
174	0	STACK_OF(X509_ATTRIBUTE) *sk = NULL;
175
176	0	n = sk_X509_ATTRIBUTE_num(x);
177	0	for (i = 0; i < n; ++i) {
178	0	X509_ATTRIBUTE *attr = sk_X509_ATTRIBUTE_value(x, i);
179
180	0	if (X509at_add1_attr(&sk, attr) == NULL) {
181	0	sk_X509_ATTRIBUTE_pop_free(sk, X509_ATTRIBUTE_free);
182	0	return NULL;
183	0	}
184	0	}
185	0	return sk;
186	0	}
187
188		X509_ATTRIBUTE X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE *attr, int nid,
189		int atrtype, const void *data,
190		int len)
191	0	{
192	0	ASN1_OBJECT *obj;
193	0	X509_ATTRIBUTE *ret;
194
195	0	obj = OBJ_nid2obj(nid);
196	0	if (obj == NULL) {
197	0	ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_NID);
198	0	return NULL;
199	0	}
200	0	ret = X509_ATTRIBUTE_create_by_OBJ(attr, obj, atrtype, data, len);
201	0	if (ret == NULL)
202	0	ASN1_OBJECT_free(obj);
203	0	return ret;
204	0	}
205
206		X509_ATTRIBUTE X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE *attr,
207		const ASN1_OBJECT *obj,
208		int atrtype, const void *data,
209		int len)
210	0	{
211	0	X509_ATTRIBUTE *ret;
212
213	0	if ((attr == NULL) \|\| (*attr == NULL)) {
214	0	if ((ret = X509_ATTRIBUTE_new()) == NULL) {
215	0	ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
216	0	return NULL;
217	0	}
218	0	} else
219	0	ret = *attr;
220
221	0	if (!X509_ATTRIBUTE_set1_object(ret, obj))
222	0	goto err;
223	0	if (!X509_ATTRIBUTE_set1_data(ret, atrtype, data, len))
224	0	goto err;
225
226	0	if ((attr != NULL) && (*attr == NULL))
227	0	*attr = ret;
228	0	return ret;
229	0	err:
230	0	if ((attr == NULL) \|\| (ret != *attr))
231	0	X509_ATTRIBUTE_free(ret);
232	0	return NULL;
233	0	}
234
235		X509_ATTRIBUTE X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE *attr,
236		const char *atrname, int type,
237		const unsigned char *bytes,
238		int len)
239	0	{
240	0	ASN1_OBJECT *obj;
241	0	X509_ATTRIBUTE *nattr;
242
243	0	obj = OBJ_txt2obj(atrname, 0);
244	0	if (obj == NULL) {
245	0	ERR_raise_data(ERR_LIB_X509, X509_R_INVALID_FIELD_NAME,
246	0	"name=%s", atrname);
247	0	return NULL;
248	0	}
249	0	nattr = X509_ATTRIBUTE_create_by_OBJ(attr, obj, type, bytes, len);
250	0	ASN1_OBJECT_free(obj);
251	0	return nattr;
252	0	}
253
254		int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE attr, const ASN1_OBJECT obj)
255	0	{
256	0	if ((attr == NULL) \|\| (obj == NULL))
257	0	return 0;
258	0	ASN1_OBJECT_free(attr->object);
259	0	attr->object = OBJ_dup(obj);
260	0	return attr->object != NULL;
261	0	}
262
263		int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
264		const void *data, int len)
265	0	{
266	0	ASN1_TYPE *ttmp = NULL;
267	0	ASN1_STRING *stmp = NULL;
268	0	int atype = 0;
269	0	if (!attr)
270	0	return 0;
271	0	if (attrtype & MBSTRING_FLAG) {
272	0	stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype,
273	0	OBJ_obj2nid(attr->object));
274	0	if (!stmp) {
275	0	ERR_raise(ERR_LIB_X509, ERR_R_ASN1_LIB);
276	0	return 0;
277	0	}
278	0	atype = stmp->type;
279	0	} else if (len != -1) {
280	0	if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL)
281	0	goto err;
282	0	if (!ASN1_STRING_set(stmp, data, len))
283	0	goto err;
284	0	atype = attrtype;
285	0	}
286		/*
287		* This is a bit naughty because the attribute should really have at
288		* least one value but some types use and zero length SET and require
289		* this.
290		*/
291	0	if (attrtype == 0) {
292	0	ASN1_STRING_free(stmp);
293	0	return 1;
294	0	}
295	0	if ((ttmp = ASN1_TYPE_new()) == NULL)
296	0	goto err;
297	0	if ((len == -1) && !(attrtype & MBSTRING_FLAG)) {
298	0	if (!ASN1_TYPE_set1(ttmp, attrtype, data))
299	0	goto err;
300	0	} else {
301	0	ASN1_TYPE_set(ttmp, atype, stmp);
302	0	stmp = NULL;
303	0	}
304	0	if (!sk_ASN1_TYPE_push(attr->set, ttmp))
305	0	goto err;
306	0	return 1;
307	0	err:
308	0	ERR_raise(ERR_LIB_X509, ERR_R_MALLOC_FAILURE);
309	0	ASN1_TYPE_free(ttmp);
310	0	ASN1_STRING_free(stmp);
311	0	return 0;
312	0	}
313
314		int X509_ATTRIBUTE_count(const X509_ATTRIBUTE *attr)
315	0	{
316	0	if (attr == NULL)
317	0	return 0;
318	0	return sk_ASN1_TYPE_num(attr->set);
319	0	}
320
321		ASN1_OBJECT X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE attr)
322	0	{
323	0	if (attr == NULL)
324	0	return NULL;
325	0	return attr->object;
326	0	}
327
328		void X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE attr, int idx,
329		int atrtype, void *data)
330	0	{
331	0	ASN1_TYPE *ttmp;
332	0	ttmp = X509_ATTRIBUTE_get0_type(attr, idx);
333	0	if (!ttmp)
334	0	return NULL;
335	0	if (atrtype == V_ASN1_BOOLEAN
336	0	\|\| atrtype == V_ASN1_NULL
337	0	\|\| atrtype != ASN1_TYPE_get(ttmp)) {
338	0	ERR_raise(ERR_LIB_X509, X509_R_WRONG_TYPE);
339	0	return NULL;
340	0	}
341	0	return ttmp->value.ptr;
342	0	}
343
344		ASN1_TYPE X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE attr, int idx)
345	0	{
346	0	if (attr == NULL)
347	0	return NULL;
348	0	return sk_ASN1_TYPE_value(attr->set, idx);
349	0	}