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/* $OpenBSD: p12_crt.c,v 1.17 2017/01/29 17:49:23 beck Exp $ */ |
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL |
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* project. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 1999-2002 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* licensing@OpenSSL.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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#include <stdio.h> |
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#include <openssl/err.h> |
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#include <openssl/pkcs12.h> |
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static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, |
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PKCS12_SAFEBAG *bag); |
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static int |
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copy_bag_attr(PKCS12_SAFEBAG *bag, EVP_PKEY *pkey, int nid) |
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{ |
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int idx; |
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X509_ATTRIBUTE *attr; |
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idx = EVP_PKEY_get_attr_by_NID(pkey, nid, -1); |
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✓✗ |
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if (idx < 0) |
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4 |
return 1; |
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attr = EVP_PKEY_get_attr(pkey, idx); |
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if (!X509at_add1_attr(&bag->attrib, attr)) |
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return 0; |
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return 1; |
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} |
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PKCS12 * |
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PKCS12_create(char *pass, char *name, EVP_PKEY *pkey, X509 *cert, |
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STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter, int mac_iter, |
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int keytype) |
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{ |
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PKCS12 *p12 = NULL; |
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STACK_OF(PKCS7) *safes = NULL; |
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STACK_OF(PKCS12_SAFEBAG) *bags = NULL; |
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PKCS12_SAFEBAG *bag = NULL; |
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int i; |
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unsigned char keyid[EVP_MAX_MD_SIZE]; |
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unsigned int keyidlen = 0; |
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|
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/* Set defaults */ |
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✗✓ |
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if (!nid_cert) { |
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nid_cert = NID_pbe_WithSHA1And40BitRC2_CBC; |
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} |
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✗✓ |
2 |
if (!nid_key) |
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nid_key = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; |
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✗✓ |
2 |
if (!iter) |
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iter = PKCS12_DEFAULT_ITER; |
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✗✓ |
2 |
if (!mac_iter) |
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mac_iter = 1; |
105 |
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|
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✗✓ |
2 |
if (!pkey && !cert && !ca) { |
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PKCS12error(PKCS12_R_INVALID_NULL_ARGUMENT); |
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return NULL; |
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} |
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|
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✓✗ |
2 |
if (pkey && cert) { |
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✗✓ |
2 |
if (!X509_check_private_key(cert, pkey)) |
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return NULL; |
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X509_digest(cert, EVP_sha1(), keyid, &keyidlen); |
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} |
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✓✗ |
2 |
if (cert) { |
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bag = PKCS12_add_cert(&bags, cert); |
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✗✓✗✗
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if (name && !PKCS12_add_friendlyname(bag, name, -1)) |
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goto err; |
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✓✗✓✗
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if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) |
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goto err; |
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} |
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/* Add all other certificates */ |
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✓✓ |
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for (i = 0; i < sk_X509_num(ca); i++) { |
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✓✗ |
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if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i))) |
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goto err; |
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} |
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✓✗✓✗
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if (bags && !PKCS12_add_safe(&safes, bags, nid_cert, iter, pass)) |
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goto err; |
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sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); |
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bags = NULL; |
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✓✗ |
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if (pkey) { |
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bag = PKCS12_add_key(&bags, pkey, keytype, iter, nid_key, pass); |
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140 |
✓✗ |
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if (!bag) |
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goto err; |
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143 |
✓✗ |
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if (!copy_bag_attr(bag, pkey, NID_ms_csp_name)) |
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goto err; |
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✓✗ |
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if (!copy_bag_attr(bag, pkey, NID_LocalKeySet)) |
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goto err; |
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✗✓✗✗
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if (name && !PKCS12_add_friendlyname(bag, name, -1)) |
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goto err; |
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✓✗✓✗
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if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) |
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goto err; |
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} |
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✓✗✓✗
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if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL)) |
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goto err; |
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sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); |
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bags = NULL; |
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160 |
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p12 = PKCS12_add_safes(safes, 0); |
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✓✗ |
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if (!p12) |
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goto err; |
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sk_PKCS7_pop_free(safes, PKCS7_free); |
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safes = NULL; |
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✗✓✗✗
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2 |
if ((mac_iter != -1) && |
170 |
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!PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL)) |
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goto err; |
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173 |
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return p12; |
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err: |
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if (p12) |
177 |
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PKCS12_free(p12); |
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if (safes) |
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sk_PKCS7_pop_free(safes, PKCS7_free); |
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if (bags) |
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sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); |
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return NULL; |
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} |
184 |
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185 |
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PKCS12_SAFEBAG * |
186 |
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PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert) |
187 |
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{ |
188 |
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PKCS12_SAFEBAG *bag = NULL; |
189 |
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char *name; |
190 |
|
12 |
int namelen = -1; |
191 |
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unsigned char *keyid; |
192 |
|
6 |
int keyidlen = -1; |
193 |
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194 |
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/* Add user certificate */ |
195 |
✓✗ |
6 |
if (!(bag = PKCS12_x5092certbag(cert))) |
196 |
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goto err; |
197 |
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198 |
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/* Use friendlyName and localKeyID in certificate. |
199 |
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* (if present) |
200 |
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*/ |
201 |
|
6 |
name = (char *)X509_alias_get0(cert, &namelen); |
202 |
✓✓✓✗
|
8 |
if (name && !PKCS12_add_friendlyname(bag, name, namelen)) |
203 |
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goto err; |
204 |
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205 |
|
6 |
keyid = X509_keyid_get0(cert, &keyidlen); |
206 |
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207 |
✗✓✗✗
|
6 |
if (keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) |
208 |
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goto err; |
209 |
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210 |
✓✗ |
6 |
if (!pkcs12_add_bag(pbags, bag)) |
211 |
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goto err; |
212 |
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213 |
|
6 |
return bag; |
214 |
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215 |
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err: |
216 |
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if (bag) |
217 |
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PKCS12_SAFEBAG_free(bag); |
218 |
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219 |
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return NULL; |
220 |
|
6 |
} |
221 |
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222 |
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PKCS12_SAFEBAG * |
223 |
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PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, EVP_PKEY *key, int key_usage, |
224 |
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int iter, int nid_key, char *pass) |
225 |
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{ |
226 |
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PKCS12_SAFEBAG *bag = NULL; |
227 |
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PKCS8_PRIV_KEY_INFO *p8 = NULL; |
228 |
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|
229 |
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/* Make a PKCS#8 structure */ |
230 |
✓✗ |
4 |
if (!(p8 = EVP_PKEY2PKCS8(key))) |
231 |
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goto err; |
232 |
✗✓✗✗
|
2 |
if (key_usage && !PKCS8_add_keyusage(p8, key_usage)) |
233 |
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goto err; |
234 |
✓✗ |
2 |
if (nid_key != -1) { |
235 |
|
2 |
bag = PKCS12_MAKE_SHKEYBAG(nid_key, pass, -1, NULL, 0, |
236 |
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iter, p8); |
237 |
|
2 |
PKCS8_PRIV_KEY_INFO_free(p8); |
238 |
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p8 = NULL; |
239 |
|
2 |
} else { |
240 |
|
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bag = PKCS12_MAKE_KEYBAG(p8); |
241 |
|
|
if (bag != NULL) |
242 |
|
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p8 = NULL; |
243 |
|
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} |
244 |
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|
245 |
✓✗ |
2 |
if (!bag) |
246 |
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goto err; |
247 |
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|
248 |
✓✗ |
2 |
if (!pkcs12_add_bag(pbags, bag)) |
249 |
|
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goto err; |
250 |
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|
251 |
|
2 |
return bag; |
252 |
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253 |
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err: |
254 |
|
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if (bag) |
255 |
|
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PKCS12_SAFEBAG_free(bag); |
256 |
|
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if (p8) |
257 |
|
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PKCS8_PRIV_KEY_INFO_free(p8); |
258 |
|
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|
259 |
|
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return NULL; |
260 |
|
2 |
} |
261 |
|
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|
262 |
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int |
263 |
|
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PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags, |
264 |
|
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int nid_safe, int iter, char *pass) |
265 |
|
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{ |
266 |
|
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PKCS7 *p7 = NULL; |
267 |
|
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int free_safes = 0; |
268 |
|
|
|
269 |
✓✓ |
8 |
if (!*psafes) { |
270 |
|
2 |
*psafes = sk_PKCS7_new_null(); |
271 |
✗✓ |
2 |
if (!*psafes) |
272 |
|
|
return 0; |
273 |
|
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free_safes = 1; |
274 |
|
2 |
} else |
275 |
|
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free_safes = 0; |
276 |
|
|
|
277 |
✗✓ |
4 |
if (nid_safe == 0) |
278 |
|
|
nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC; |
279 |
|
|
|
280 |
✓✓ |
4 |
if (nid_safe == -1) |
281 |
|
2 |
p7 = PKCS12_pack_p7data(bags); |
282 |
|
|
else |
283 |
|
2 |
p7 = PKCS12_pack_p7encdata(nid_safe, pass, -1, NULL, 0, |
284 |
|
|
iter, bags); |
285 |
✓✗ |
4 |
if (!p7) |
286 |
|
|
goto err; |
287 |
|
|
|
288 |
✓✗ |
4 |
if (!sk_PKCS7_push(*psafes, p7)) |
289 |
|
|
goto err; |
290 |
|
|
|
291 |
|
4 |
return 1; |
292 |
|
|
|
293 |
|
|
err: |
294 |
|
|
if (free_safes) { |
295 |
|
|
sk_PKCS7_free(*psafes); |
296 |
|
|
*psafes = NULL; |
297 |
|
|
} |
298 |
|
|
|
299 |
|
|
if (p7) |
300 |
|
|
PKCS7_free(p7); |
301 |
|
|
|
302 |
|
|
return 0; |
303 |
|
4 |
} |
304 |
|
|
|
305 |
|
|
static int |
306 |
|
|
pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, PKCS12_SAFEBAG *bag) |
307 |
|
|
{ |
308 |
|
|
int free_bags; |
309 |
|
|
|
310 |
✗✓ |
16 |
if (!pbags) |
311 |
|
|
return 1; |
312 |
✓✓ |
8 |
if (!*pbags) { |
313 |
|
4 |
*pbags = sk_PKCS12_SAFEBAG_new_null(); |
314 |
✗✓ |
4 |
if (!*pbags) |
315 |
|
|
return 0; |
316 |
|
|
free_bags = 1; |
317 |
|
4 |
} else |
318 |
|
|
free_bags = 0; |
319 |
|
|
|
320 |
✗✓ |
8 |
if (!sk_PKCS12_SAFEBAG_push(*pbags, bag)) { |
321 |
|
|
if (free_bags) { |
322 |
|
|
sk_PKCS12_SAFEBAG_free(*pbags); |
323 |
|
|
*pbags = NULL; |
324 |
|
|
} |
325 |
|
|
return 0; |
326 |
|
|
} |
327 |
|
|
|
328 |
|
8 |
return 1; |
329 |
|
8 |
} |
330 |
|
|
|
331 |
|
|
PKCS12 * |
332 |
|
|
PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7) |
333 |
|
|
{ |
334 |
|
|
PKCS12 *p12; |
335 |
|
|
|
336 |
✓✗ |
4 |
if (nid_p7 <= 0) |
337 |
|
2 |
nid_p7 = NID_pkcs7_data; |
338 |
|
2 |
p12 = PKCS12_init(nid_p7); |
339 |
|
|
|
340 |
✗✓ |
2 |
if (!p12) |
341 |
|
|
return NULL; |
342 |
|
|
|
343 |
✗✓ |
2 |
if (!PKCS12_pack_authsafes(p12, safes)) { |
344 |
|
|
PKCS12_free(p12); |
345 |
|
|
return NULL; |
346 |
|
|
} |
347 |
|
|
|
348 |
|
2 |
return p12; |
349 |
|
2 |
} |