--- /dev/null
+/* p12_npas.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 1999.
+ */
+/* ====================================================================
+ * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <openssl/pem.h>
+#include <openssl/err.h>
+#include <openssl/pkcs12.h>
+
+/* PKCS#12 password change routine */
+
+static int newpass_p12(PKCS12 *p12, char *oldpass, char *newpass);
+static int newpass_bags(STACK_OF(PKCS12_SAFEBAG) *bags, char *oldpass,
+ char *newpass);
+static int newpass_bag(PKCS12_SAFEBAG *bag, char *oldpass, char *newpass);
+static int alg_get(X509_ALGOR *alg, int *pnid, int *piter, int *psaltlen);
+
+/*
+ * Change the password on a PKCS#12 structure.
+ */
+
+int PKCS12_newpass(PKCS12 *p12, char *oldpass, char *newpass)
+{
+ /* Check for NULL PKCS12 structure */
+
+ if(!p12) {
+ PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_INVALID_NULL_PKCS12_POINTER);
+ return 0;
+ }
+
+ /* Check the mac */
+
+ if (!PKCS12_verify_mac(p12, oldpass, -1)) {
+ PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_MAC_VERIFY_FAILURE);
+ return 0;
+ }
+
+ if (!newpass_p12(p12, oldpass, newpass)) {
+ PKCS12err(PKCS12_F_PKCS12_NEWPASS,PKCS12_R_PARSE_ERROR);
+ return 0;
+ }
+
+ return 1;
+}
+
+/* Parse the outer PKCS#12 structure */
+
+static int newpass_p12(PKCS12 *p12, char *oldpass, char *newpass)
+{
+ STACK_OF(PKCS7) *asafes, *newsafes;
+ STACK_OF(PKCS12_SAFEBAG) *bags;
+ int i, bagnid, pbe_nid = 0, pbe_iter = 0, pbe_saltlen = 0;
+ PKCS7 *p7, *p7new;
+ ASN1_OCTET_STRING *p12_data_tmp = NULL, *macnew = NULL;
+ unsigned char mac[EVP_MAX_MD_SIZE];
+ unsigned int maclen;
+
+ if (!(asafes = PKCS12_unpack_authsafes(p12))) return 0;
+ if(!(newsafes = sk_PKCS7_new_null())) return 0;
+ for (i = 0; i < sk_PKCS7_num (asafes); i++) {
+ p7 = sk_PKCS7_value(asafes, i);
+ bagnid = OBJ_obj2nid(p7->type);
+ if (bagnid == NID_pkcs7_data) {
+ bags = PKCS12_unpack_p7data(p7);
+ } else if (bagnid == NID_pkcs7_encrypted) {
+ bags = PKCS12_unpack_p7encdata(p7, oldpass, -1);
+ if (!alg_get(p7->d.encrypted->enc_data->algorithm,
+ &pbe_nid, &pbe_iter, &pbe_saltlen))
+ {
+ sk_PKCS12_SAFEBAG_pop_free(bags,
+ PKCS12_SAFEBAG_free);
+ bags = NULL;
+ }
+ } else continue;
+ if (!bags) {
+ sk_PKCS7_pop_free(asafes, PKCS7_free);
+ return 0;
+ }
+ if (!newpass_bags(bags, oldpass, newpass)) {
+ sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
+ sk_PKCS7_pop_free(asafes, PKCS7_free);
+ return 0;
+ }
+ /* Repack bag in same form with new password */
+ if (bagnid == NID_pkcs7_data) p7new = PKCS12_pack_p7data(bags);
+ else p7new = PKCS12_pack_p7encdata(pbe_nid, newpass, -1, NULL,
+ pbe_saltlen, pbe_iter, bags);
+ sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
+ if(!p7new) {
+ sk_PKCS7_pop_free(asafes, PKCS7_free);
+ return 0;
+ }
+ sk_PKCS7_push(newsafes, p7new);
+ }
+ sk_PKCS7_pop_free(asafes, PKCS7_free);
+
+ /* Repack safe: save old safe in case of error */
+
+ p12_data_tmp = p12->authsafes->d.data;
+ if(!(p12->authsafes->d.data = ASN1_OCTET_STRING_new())) goto saferr;
+ if(!PKCS12_pack_authsafes(p12, newsafes)) goto saferr;
+
+ if(!PKCS12_gen_mac(p12, newpass, -1, mac, &maclen)) goto saferr;
+ if(!(macnew = ASN1_OCTET_STRING_new())) goto saferr;
+ if(!ASN1_OCTET_STRING_set(macnew, mac, maclen)) goto saferr;
+ ASN1_OCTET_STRING_free(p12->mac->dinfo->digest);
+ p12->mac->dinfo->digest = macnew;
+ ASN1_OCTET_STRING_free(p12_data_tmp);
+
+ return 1;
+
+ saferr:
+ /* Restore old safe */
+ ASN1_OCTET_STRING_free(p12->authsafes->d.data);
+ ASN1_OCTET_STRING_free(macnew);
+ p12->authsafes->d.data = p12_data_tmp;
+ return 0;
+
+}
+
+
+static int newpass_bags(STACK_OF(PKCS12_SAFEBAG) *bags, char *oldpass,
+ char *newpass)
+{
+ int i;
+ for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
+ if (!newpass_bag(sk_PKCS12_SAFEBAG_value(bags, i),
+ oldpass, newpass))
+ return 0;
+ }
+ return 1;
+}
+
+/* Change password of safebag: only needs handle shrouded keybags */
+
+static int newpass_bag(PKCS12_SAFEBAG *bag, char *oldpass, char *newpass)
+{
+ PKCS8_PRIV_KEY_INFO *p8;
+ X509_SIG *p8new;
+ int p8_nid, p8_saltlen, p8_iter;
+
+ if(M_PKCS12_bag_type(bag) != NID_pkcs8ShroudedKeyBag) return 1;
+
+ if (!(p8 = PKCS8_decrypt(bag->value.shkeybag, oldpass, -1))) return 0;
+ if (!alg_get(bag->value.shkeybag->algor, &p8_nid, &p8_iter,
+ &p8_saltlen))
+ return 0;
+ if(!(p8new = PKCS8_encrypt(p8_nid, NULL, newpass, -1, NULL, p8_saltlen,
+ p8_iter, p8))) return 0;
+ X509_SIG_free(bag->value.shkeybag);
+ bag->value.shkeybag = p8new;
+ return 1;
+}
+
+static int alg_get(X509_ALGOR *alg, int *pnid, int *piter, int *psaltlen)
+{
+ PBEPARAM *pbe;
+ const unsigned char *p;
+
+ p = alg->parameter->value.sequence->data;
+ pbe = d2i_PBEPARAM(NULL, &p, alg->parameter->value.sequence->length);
+ if (!pbe)
+ return 0;
+ *pnid = OBJ_obj2nid(alg->algorithm);
+ *piter = ASN1_INTEGER_get(pbe->iter);
+ *psaltlen = pbe->salt->length;
+ PBEPARAM_free(pbe);
+ return 1;
+}
projects / cassiopeia.git / blobdiff