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diff --git a/src/lib/libcrypto/pkcs12/p12_npas.c b/src/lib/libcrypto/pkcs12/p12_npas.c
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--- a/src/lib/libcrypto/pkcs12/p12_npas.c
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1/* p12_npas.c */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3 * project 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include <stdlib.h>
61#include <string.h>
62#include <openssl/pem.h>
63#include <openssl/err.h>
64#include <openssl/pkcs12.h>
65
66/* PKCS#12 password change routine */
67
68static int newpass_p12(PKCS12 *p12, char *oldpass, char *newpass);
69static int newpass_bags(STACK_OF(PKCS12_SAFEBAG) *bags, char *oldpass,
70 char *newpass);
71static int newpass_bag(PKCS12_SAFEBAG *bag, char *oldpass, char *newpass);
72static int alg_get(X509_ALGOR *alg, int *pnid, int *piter, int *psaltlen);
73
74/*
75 * Change the password on a PKCS#12 structure.
76 */
77
78int PKCS12_newpass(PKCS12 *p12, char *oldpass, char *newpass)
79{
80
81/* Check for NULL PKCS12 structure */
82
83if(!p12) {
84 PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_INVALID_NULL_PKCS12_POINTER);
85 return 0;
86}
87
88/* Check the mac */
89
90if (!PKCS12_verify_mac(p12, oldpass, -1)) {
91 PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_MAC_VERIFY_FAILURE);
92 return 0;
93}
94
95if (!newpass_p12(p12, oldpass, newpass)) {
96 PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_PARSE_ERROR);
97 return 0;
98}
99
100return 1;
101
102}
103
104/* Parse the outer PKCS#12 structure */
105
106static int newpass_p12(PKCS12 *p12, char *oldpass, char *newpass)
107{
108 STACK_OF(PKCS7) *asafes, *newsafes;
109 STACK_OF(PKCS12_SAFEBAG) *bags;
110 int i, bagnid, pbe_nid = 0, pbe_iter = 0, pbe_saltlen = 0;
111 PKCS7 *p7, *p7new;
112 ASN1_OCTET_STRING *p12_data_tmp = NULL, *macnew = NULL;
113 unsigned char mac[EVP_MAX_MD_SIZE];
114 unsigned int maclen;
115
116 if (!(asafes = PKCS12_unpack_authsafes(p12))) return 0;
117 if(!(newsafes = sk_PKCS7_new_null())) return 0;
118 for (i = 0; i < sk_PKCS7_num (asafes); i++) {
119 p7 = sk_PKCS7_value(asafes, i);
120 bagnid = OBJ_obj2nid(p7->type);
121 if (bagnid == NID_pkcs7_data) {
122 bags = PKCS12_unpack_p7data(p7);
123 } else if (bagnid == NID_pkcs7_encrypted) {
124 bags = PKCS12_unpack_p7encdata(p7, oldpass, -1);
125 alg_get(p7->d.encrypted->enc_data->algorithm,
126 &pbe_nid, &pbe_iter, &pbe_saltlen);
127 } else continue;
128 if (!bags) {
129 sk_PKCS7_pop_free(asafes, PKCS7_free);
130 return 0;
131 }
132 if (!newpass_bags(bags, oldpass, newpass)) {
133 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
134 sk_PKCS7_pop_free(asafes, PKCS7_free);
135 return 0;
136 }
137 /* Repack bag in same form with new password */
138 if (bagnid == NID_pkcs7_data) p7new = PKCS12_pack_p7data(bags);
139 else p7new = PKCS12_pack_p7encdata(pbe_nid, newpass, -1, NULL,
140 pbe_saltlen, pbe_iter, bags);
141 sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
142 if(!p7new) {
143 sk_PKCS7_pop_free(asafes, PKCS7_free);
144 return 0;
145 }
146 sk_PKCS7_push(newsafes, p7new);
147 }
148 sk_PKCS7_pop_free(asafes, PKCS7_free);
149
150 /* Repack safe: save old safe in case of error */
151
152 p12_data_tmp = p12->authsafes->d.data;
153 if(!(p12->authsafes->d.data = ASN1_OCTET_STRING_new())) goto saferr;
154 if(!PKCS12_pack_authsafes(p12, newsafes)) goto saferr;
155
156 if(!PKCS12_gen_mac(p12, newpass, -1, mac, &maclen)) goto saferr;
157 if(!(macnew = ASN1_OCTET_STRING_new())) goto saferr;
158 if(!ASN1_OCTET_STRING_set(macnew, mac, maclen)) goto saferr;
159 ASN1_OCTET_STRING_free(p12->mac->dinfo->digest);
160 p12->mac->dinfo->digest = macnew;
161 ASN1_OCTET_STRING_free(p12_data_tmp);
162
163 return 1;
164
165 saferr:
166 /* Restore old safe */
167 ASN1_OCTET_STRING_free(p12->authsafes->d.data);
168 ASN1_OCTET_STRING_free(macnew);
169 p12->authsafes->d.data = p12_data_tmp;
170 return 0;
171
172}
173
174
175static int newpass_bags(STACK_OF(PKCS12_SAFEBAG) *bags, char *oldpass,
176 char *newpass)
177{
178 int i;
179 for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
180 if (!newpass_bag(sk_PKCS12_SAFEBAG_value(bags, i),
181 oldpass, newpass))
182 return 0;
183 }
184 return 1;
185}
186
187/* Change password of safebag: only needs handle shrouded keybags */
188
189static int newpass_bag(PKCS12_SAFEBAG *bag, char *oldpass, char *newpass)
190{
191 PKCS8_PRIV_KEY_INFO *p8;
192 X509_SIG *p8new;
193 int p8_nid, p8_saltlen, p8_iter;
194
195 if(M_PKCS12_bag_type(bag) != NID_pkcs8ShroudedKeyBag) return 1;
196
197 if (!(p8 = PKCS8_decrypt(bag->value.shkeybag, oldpass, -1))) return 0;
198 alg_get(bag->value.shkeybag->algor, &p8_nid, &p8_iter, &p8_saltlen);
199 if(!(p8new = PKCS8_encrypt(p8_nid, NULL, newpass, -1, NULL, p8_saltlen,
200 p8_iter, p8))) return 0;
201 X509_SIG_free(bag->value.shkeybag);
202 bag->value.shkeybag = p8new;
203 return 1;
204}
205
206static int alg_get(X509_ALGOR *alg, int *pnid, int *piter, int *psaltlen)
207{
208 PBEPARAM *pbe;
209 unsigned char *p;
210 p = alg->parameter->value.sequence->data;
211 pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length);
212 *pnid = OBJ_obj2nid(alg->algorithm);
213 *piter = ASN1_INTEGER_get(pbe->iter);
214 *psaltlen = pbe->salt->length;
215 PBEPARAM_free(pbe);
216 return 0;
217}
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