/src/openssl/crypto/pkcs12/p12_add.c

Source (jump to first uncovered line)
/*
 * Copyright 1999-2024 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/core.h>
#include <openssl/core_names.h>
#include <openssl/pkcs12.h>
#include "p12_local.h"
#include "crypto/pkcs7/pk7_local.h"

/* Pack an object into an OCTET STRING and turn into a safebag */

PKCS12_SAFEBAG *PKCS12_item_pack_safebag(void *obj, const ASN1_ITEM *it,
                                         int nid1, int nid2)
{
    PKCS12_BAGS *bag;
    PKCS12_SAFEBAG *safebag;

    if ((bag = PKCS12_BAGS_new()) == NULL) {
        ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
        return NULL;
    }
    bag->type = OBJ_nid2obj(nid1);
    if (!ASN1_item_pack(obj, it, &bag->value.octet)) {
        ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
        goto err;
    }
    if ((safebag = PKCS12_SAFEBAG_new()) == NULL) {
        ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
        goto err;
    }
    safebag->value.bag = bag;
    safebag->type = OBJ_nid2obj(nid2);
    return safebag;

 err:
    PKCS12_BAGS_free(bag);
    return NULL;
}

/* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
PKCS7 *PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) *sk)
{
    PKCS7 *p7;

    if ((p7 = PKCS7_new()) == NULL) {
        ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
        return NULL;
    }
    p7->type = OBJ_nid2obj(NID_pkcs7_data);
    if ((p7->d.data = ASN1_OCTET_STRING_new()) == NULL) {
        ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
        goto err;
    }

    if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {
        ERR_raise(ERR_LIB_PKCS12, PKCS12_R_CANT_PACK_STRUCTURE);
        goto err;
    }
    return p7;

 err:
    PKCS7_free(p7);
    return NULL;
}

/* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7data(PKCS7 *p7)
{
    if (!PKCS7_type_is_data(p7)) {
        ERR_raise(ERR_LIB_PKCS12, PKCS12_R_CONTENT_TYPE_NOT_DATA);
        return NULL;
    }

    if (p7->d.data == NULL) {
        ERR_raise(ERR_LIB_PKCS12, PKCS12_R_DECODE_ERROR);
        return NULL;
    }

    return ASN1_item_unpack_ex(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
                               ossl_pkcs7_ctx_get0_libctx(&p7->ctx),
                               ossl_pkcs7_ctx_get0_propq(&p7->ctx));
}

/* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */

PKCS7 *PKCS12_pack_p7encdata_ex(int pbe_nid, const char *pass, int passlen,
                                unsigned char *salt, int saltlen, int iter,
                                STACK_OF(PKCS12_SAFEBAG) *bags,
                                OSSL_LIB_CTX *ctx, const char *propq)
{
    PKCS7 *p7;
    X509_ALGOR *pbe;
    const EVP_CIPHER *pbe_ciph = NULL;
    EVP_CIPHER *pbe_ciph_fetch = NULL;

    if ((p7 = PKCS7_new_ex(ctx, propq)) == NULL) {
        ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
        return NULL;
    }
    if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
        ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
        goto err;
    }

    ERR_set_mark();
    pbe_ciph = pbe_ciph_fetch = EVP_CIPHER_fetch(ctx, OBJ_nid2sn(pbe_nid), propq);
    if (pbe_ciph == NULL)
        pbe_ciph = EVP_get_cipherbynid(pbe_nid);
    ERR_pop_to_mark();

    if (pbe_ciph != NULL) {
        pbe = PKCS5_pbe2_set_iv_ex(pbe_ciph, iter, salt, saltlen, NULL, -1, ctx);
    } else {
        pbe = PKCS5_pbe_set_ex(pbe_nid, iter, salt, saltlen, ctx);
    }

    if (pbe == NULL) {
        ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
        goto err;
    }
    X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
    p7->d.encrypted->enc_data->algorithm = pbe;
    ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
    if (!(p7->d.encrypted->enc_data->enc_data =
          PKCS12_item_i2d_encrypt_ex(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass,
                                     passlen, bags, 1, ctx, propq))) {
        ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ENCRYPT_ERROR);
        goto err;
    }

    EVP_CIPHER_free(pbe_ciph_fetch);
    return p7;

 err:
    PKCS7_free(p7);
    EVP_CIPHER_free(pbe_ciph_fetch);
    return NULL;
}

PKCS7 *PKCS12_pack_p7encdata(int pbe_nid, const char *pass, int passlen,
                             unsigned char *salt, int saltlen, int iter,
                             STACK_OF(PKCS12_SAFEBAG) *bags)
{
    return PKCS12_pack_p7encdata_ex(pbe_nid, pass, passlen, salt, saltlen,
                                    iter, bags, NULL, NULL);
}

STACK_OF(PKCS12_SAFEBAG) *PKCS12_unpack_p7encdata(PKCS7 *p7, const char *pass,
                                                  int passlen)
{
    if (!PKCS7_type_is_encrypted(p7))
        return NULL;

    if (p7->d.encrypted == NULL) {
        ERR_raise(ERR_LIB_PKCS12, PKCS12_R_DECODE_ERROR);
        return NULL;
    }

    return PKCS12_item_decrypt_d2i_ex(p7->d.encrypted->enc_data->algorithm,
                                   ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
                                   pass, passlen,
                                   p7->d.encrypted->enc_data->enc_data, 1,
                                   p7->ctx.libctx, p7->ctx.propq);
}

PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey_ex(const PKCS12_SAFEBAG *bag,
                                            const char *pass, int passlen,
                                            OSSL_LIB_CTX *ctx, const char *propq)
{
    return PKCS8_decrypt_ex(bag->value.shkeybag, pass, passlen, ctx, propq);
}

PKCS8_PRIV_KEY_INFO *PKCS12_decrypt_skey(const PKCS12_SAFEBAG *bag,
                                         const char *pass, int passlen)
{
    return PKCS12_decrypt_skey_ex(bag, pass, passlen, NULL, NULL);
}

int PKCS12_pack_authsafes(PKCS12 *p12, STACK_OF(PKCS7) *safes)
{
    if (ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
                       &p12->authsafes->d.data))
        return 1;
    return 0;
}

STACK_OF(PKCS7) *PKCS12_unpack_authsafes(const PKCS12 *p12)
{
    STACK_OF(PKCS7) *p7s;
    PKCS7_CTX *p7ctx;
    PKCS7 *p7;
    int i;

    if (!PKCS7_type_is_data(p12->authsafes)) {
        ERR_raise(ERR_LIB_PKCS12, PKCS12_R_CONTENT_TYPE_NOT_DATA);
        return NULL;
    }

    if (p12->authsafes->d.data == NULL) {
        ERR_raise(ERR_LIB_PKCS12, PKCS12_R_DECODE_ERROR);
        return NULL;
    }

    p7ctx = &p12->authsafes->ctx;
    p7s = ASN1_item_unpack_ex(p12->authsafes->d.data,
                              ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
                              ossl_pkcs7_ctx_get0_libctx(p7ctx),
                              ossl_pkcs7_ctx_get0_propq(p7ctx));
    if (p7s != NULL) {
        for (i = 0; i < sk_PKCS7_num(p7s); i++) {
            p7 = sk_PKCS7_value(p7s, i);
            if (!ossl_pkcs7_ctx_propagate(p12->authsafes, p7))
                goto err;
        }
    }
    return p7s;
err:
    sk_PKCS7_free(p7s);
    return NULL;
}

Coverage Report

Created: 2025-06-13 06:57

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright 1999-2024 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/core.h>
13		#include <openssl/core_names.h>
14		#include <openssl/pkcs12.h>
15		#include "p12_local.h"
16		#include "crypto/pkcs7/pk7_local.h"
17
18		/* Pack an object into an OCTET STRING and turn into a safebag */
19
20		PKCS12_SAFEBAG PKCS12_item_pack_safebag(void obj, const ASN1_ITEM *it,
21		int nid1, int nid2)
22	0	{
23	0	PKCS12_BAGS *bag;
24	0	PKCS12_SAFEBAG *safebag;
25
26	0	if ((bag = PKCS12_BAGS_new()) == NULL) {
27	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
28	0	return NULL;
29	0	}
30	0	bag->type = OBJ_nid2obj(nid1);
31	0	if (!ASN1_item_pack(obj, it, &bag->value.octet)) {
32	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
33	0	goto err;
34	0	}
35	0	if ((safebag = PKCS12_SAFEBAG_new()) == NULL) {
36	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
37	0	goto err;
38	0	}
39	0	safebag->value.bag = bag;
40	0	safebag->type = OBJ_nid2obj(nid2);
41	0	return safebag;
42
43	0	err:
44	0	PKCS12_BAGS_free(bag);
45	0	return NULL;
46	0	}
47
48		/* Turn a stack of SAFEBAGS into a PKCS#7 data Contentinfo */
49		PKCS7 PKCS12_pack_p7data(STACK_OF(PKCS12_SAFEBAG) sk)
50	0	{
51	0	PKCS7 *p7;
52
53	0	if ((p7 = PKCS7_new()) == NULL) {
54	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
55	0	return NULL;
56	0	}
57	0	p7->type = OBJ_nid2obj(NID_pkcs7_data);
58	0	if ((p7->d.data = ASN1_OCTET_STRING_new()) == NULL) {
59	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
60	0	goto err;
61	0	}
62
63	0	if (!ASN1_item_pack(sk, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), &p7->d.data)) {
64	0	ERR_raise(ERR_LIB_PKCS12, PKCS12_R_CANT_PACK_STRUCTURE);
65	0	goto err;
66	0	}
67	0	return p7;
68
69	0	err:
70	0	PKCS7_free(p7);
71	0	return NULL;
72	0	}
73
74		/* Unpack SAFEBAGS from PKCS#7 data ContentInfo */
75		STACK_OF(PKCS12_SAFEBAG) PKCS12_unpack_p7data(PKCS7 p7)
76	0	{
77	0	if (!PKCS7_type_is_data(p7)) {
78	0	ERR_raise(ERR_LIB_PKCS12, PKCS12_R_CONTENT_TYPE_NOT_DATA);
79	0	return NULL;
80	0	}
81
82	0	if (p7->d.data == NULL) {
83	0	ERR_raise(ERR_LIB_PKCS12, PKCS12_R_DECODE_ERROR);
84	0	return NULL;
85	0	}
86
87	0	return ASN1_item_unpack_ex(p7->d.data, ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
88	0	ossl_pkcs7_ctx_get0_libctx(&p7->ctx),
89	0	ossl_pkcs7_ctx_get0_propq(&p7->ctx));
90	0	}
91
92		/* Turn a stack of SAFEBAGS into a PKCS#7 encrypted data ContentInfo */
93
94		PKCS7 PKCS12_pack_p7encdata_ex(int pbe_nid, const char pass, int passlen,
95		unsigned char *salt, int saltlen, int iter,
96		STACK_OF(PKCS12_SAFEBAG) *bags,
97		OSSL_LIB_CTX ctx, const char propq)
98	0	{
99	0	PKCS7 *p7;
100	0	X509_ALGOR *pbe;
101	0	const EVP_CIPHER *pbe_ciph = NULL;
102	0	EVP_CIPHER *pbe_ciph_fetch = NULL;
103
104	0	if ((p7 = PKCS7_new_ex(ctx, propq)) == NULL) {
105	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
106	0	return NULL;
107	0	}
108	0	if (!PKCS7_set_type(p7, NID_pkcs7_encrypted)) {
109	0	ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ERROR_SETTING_ENCRYPTED_DATA_TYPE);
110	0	goto err;
111	0	}
112
113	0	ERR_set_mark();
114	0	pbe_ciph = pbe_ciph_fetch = EVP_CIPHER_fetch(ctx, OBJ_nid2sn(pbe_nid), propq);
115	0	if (pbe_ciph == NULL)
116	0	pbe_ciph = EVP_get_cipherbynid(pbe_nid);
117	0	ERR_pop_to_mark();
118
119	0	if (pbe_ciph != NULL) {
120	0	pbe = PKCS5_pbe2_set_iv_ex(pbe_ciph, iter, salt, saltlen, NULL, -1, ctx);
121	0	} else {
122	0	pbe = PKCS5_pbe_set_ex(pbe_nid, iter, salt, saltlen, ctx);
123	0	}
124
125	0	if (pbe == NULL) {
126	0	ERR_raise(ERR_LIB_PKCS12, ERR_R_ASN1_LIB);
127	0	goto err;
128	0	}
129	0	X509_ALGOR_free(p7->d.encrypted->enc_data->algorithm);
130	0	p7->d.encrypted->enc_data->algorithm = pbe;
131	0	ASN1_OCTET_STRING_free(p7->d.encrypted->enc_data->enc_data);
132	0	if (!(p7->d.encrypted->enc_data->enc_data =
133	0	PKCS12_item_i2d_encrypt_ex(pbe, ASN1_ITEM_rptr(PKCS12_SAFEBAGS), pass,
134	0	passlen, bags, 1, ctx, propq))) {
135	0	ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ENCRYPT_ERROR);
136	0	goto err;
137	0	}
138
139	0	EVP_CIPHER_free(pbe_ciph_fetch);
140	0	return p7;
141
142	0	err:
143	0	PKCS7_free(p7);
144	0	EVP_CIPHER_free(pbe_ciph_fetch);
145	0	return NULL;
146	0	}
147
148		PKCS7 PKCS12_pack_p7encdata(int pbe_nid, const char pass, int passlen,
149		unsigned char *salt, int saltlen, int iter,
150		STACK_OF(PKCS12_SAFEBAG) *bags)
151	0	{
152	0	return PKCS12_pack_p7encdata_ex(pbe_nid, pass, passlen, salt, saltlen,
153	0	iter, bags, NULL, NULL);
154	0	}
155
156		STACK_OF(PKCS12_SAFEBAG) PKCS12_unpack_p7encdata(PKCS7 p7, const char *pass,
157		int passlen)
158	0	{
159	0	if (!PKCS7_type_is_encrypted(p7))
160	0	return NULL;
161
162	0	if (p7->d.encrypted == NULL) {
163	0	ERR_raise(ERR_LIB_PKCS12, PKCS12_R_DECODE_ERROR);
164	0	return NULL;
165	0	}
166
167	0	return PKCS12_item_decrypt_d2i_ex(p7->d.encrypted->enc_data->algorithm,
168	0	ASN1_ITEM_rptr(PKCS12_SAFEBAGS),
169	0	pass, passlen,
170	0	p7->d.encrypted->enc_data->enc_data, 1,
171	0	p7->ctx.libctx, p7->ctx.propq);
172	0	}
173
174		PKCS8_PRIV_KEY_INFO PKCS12_decrypt_skey_ex(const PKCS12_SAFEBAG bag,
175		const char *pass, int passlen,
176		OSSL_LIB_CTX ctx, const char propq)
177	0	{
178	0	return PKCS8_decrypt_ex(bag->value.shkeybag, pass, passlen, ctx, propq);
179	0	}
180
181		PKCS8_PRIV_KEY_INFO PKCS12_decrypt_skey(const PKCS12_SAFEBAG bag,
182		const char *pass, int passlen)
183	0	{
184	0	return PKCS12_decrypt_skey_ex(bag, pass, passlen, NULL, NULL);
185	0	}
186
187		int PKCS12_pack_authsafes(PKCS12 p12, STACK_OF(PKCS7) safes)
188	0	{
189	0	if (ASN1_item_pack(safes, ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
190	0	&p12->authsafes->d.data))
191	0	return 1;
192	0	return 0;
193	0	}
194
195		STACK_OF(PKCS7) PKCS12_unpack_authsafes(const PKCS12 p12)
196	0	{
197	0	STACK_OF(PKCS7) *p7s;
198	0	PKCS7_CTX *p7ctx;
199	0	PKCS7 *p7;
200	0	int i;
201
202	0	if (!PKCS7_type_is_data(p12->authsafes)) {
203	0	ERR_raise(ERR_LIB_PKCS12, PKCS12_R_CONTENT_TYPE_NOT_DATA);
204	0	return NULL;
205	0	}
206
207	0	if (p12->authsafes->d.data == NULL) {
208	0	ERR_raise(ERR_LIB_PKCS12, PKCS12_R_DECODE_ERROR);
209	0	return NULL;
210	0	}
211
212	0	p7ctx = &p12->authsafes->ctx;
213	0	p7s = ASN1_item_unpack_ex(p12->authsafes->d.data,
214	0	ASN1_ITEM_rptr(PKCS12_AUTHSAFES),
215	0	ossl_pkcs7_ctx_get0_libctx(p7ctx),
216	0	ossl_pkcs7_ctx_get0_propq(p7ctx));
217	0	if (p7s != NULL) {
218	0	for (i = 0; i < sk_PKCS7_num(p7s); i++) {
219	0	p7 = sk_PKCS7_value(p7s, i);
220	0	if (!ossl_pkcs7_ctx_propagate(p12->authsafes, p7))
221	0	goto err;
222	0	}
223	0	}
224	0	return p7s;
225	0	err:
226	0	sk_PKCS7_free(p7s);
227	0	return NULL;
228	0	}