-/* p12_kiss.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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).
+/*
+ * Copyright 1999-2021 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 "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/pkcs12.h>
+#include "crypto/x509.h" /* for ossl_x509_add_cert_new() */
/* Simplified PKCS#12 routines */
-static int parse_pk12( PKCS12 *p12, const char *pass, int passlen,
- EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca);
+static int parse_pk12(PKCS12 *p12, const char *pass, int passlen,
+ EVP_PKEY **pkey, STACK_OF(X509) *ocerts);
-static int parse_bags( STACK_OF(PKCS12_SAFEBAG) *bags, const char *pass,
- int passlen, EVP_PKEY **pkey, X509 **cert,
- STACK_OF(X509) **ca, ASN1_OCTET_STRING **keyid,
- char *keymatch);
+static int parse_bags(const STACK_OF(PKCS12_SAFEBAG) *bags, const char *pass,
+ int passlen, EVP_PKEY **pkey, STACK_OF(X509) *ocerts);
-static int parse_bag( PKCS12_SAFEBAG *bag, const char *pass, int passlen,
- EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca,
- ASN1_OCTET_STRING **keyid, char *keymatch);
+static int parse_bag(PKCS12_SAFEBAG *bag, const char *pass, int passlen,
+ EVP_PKEY **pkey, STACK_OF(X509) *ocerts);
-/* Parse and decrypt a PKCS#12 structure returning user key, user cert
- * and other (CA) certs. Note either ca should be NULL, *ca should be NULL,
- * or it should point to a valid STACK structure. pkey and cert can be
- * passed unitialised.
+/*
+ * Parse and decrypt a PKCS#12 structure returning user key, user cert and
+ * other (CA) certs. Note either ca should be NULL, *ca should be NULL, or it
+ * should point to a valid STACK structure. pkey and/or cert may be NULL;
+ * if non-NULL the variables they point to can be passed uninitialised.
*/
-int PKCS12_parse (PKCS12 *p12, const char *pass, EVP_PKEY **pkey, X509 **cert,
- STACK_OF(X509) **ca)
+int PKCS12_parse(PKCS12 *p12, const char *pass, EVP_PKEY **pkey, X509 **cert,
+ STACK_OF(X509) **ca)
{
-
- /* Check for NULL PKCS12 structure */
-
- if(!p12)
- {
- PKCS12err(PKCS12_F_PKCS12_PARSE,PKCS12_R_INVALID_NULL_PKCS12_POINTER);
- return 0;
- }
-
- /* Allocate stack for ca certificates if needed */
- if ((ca != NULL) && (*ca == NULL))
- {
- if (!(*ca = sk_X509_new(NULL)))
- {
- PKCS12err(PKCS12_F_PKCS12_PARSE,ERR_R_MALLOC_FAILURE);
- return 0;
- }
- }
-
- if(pkey) *pkey = NULL;
- if(cert) *cert = NULL;
-
- /* Check the mac */
-
- /* If password is zero length or NULL then try verifying both cases
- * to determine which password is correct. The reason for this is that
- * under PKCS#12 password based encryption no password and a zero length
- * password are two different things...
- */
-
- if(!pass || !*pass) {
- if(PKCS12_verify_mac(p12, NULL, 0)) pass = NULL;
- else if(PKCS12_verify_mac(p12, "", 0)) pass = "";
- else {
- PKCS12err(PKCS12_F_PKCS12_PARSE,PKCS12_R_MAC_VERIFY_FAILURE);
- goto err;
- }
- } else if (!PKCS12_verify_mac(p12, pass, -1)) {
- PKCS12err(PKCS12_F_PKCS12_PARSE,PKCS12_R_MAC_VERIFY_FAILURE);
- goto err;
- }
-
- if (!parse_pk12 (p12, pass, -1, pkey, cert, ca))
- {
- PKCS12err(PKCS12_F_PKCS12_PARSE,PKCS12_R_PARSE_ERROR);
- goto err;
- }
-
- return 1;
+ STACK_OF(X509) *ocerts = NULL;
+ X509 *x = NULL;
+
+ if (pkey != NULL)
+ *pkey = NULL;
+ if (cert != NULL)
+ *cert = NULL;
+
+ /* Check for NULL PKCS12 structure */
+
+ if (p12 == NULL) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_INVALID_NULL_PKCS12_POINTER);
+ return 0;
+ }
+
+ /* Check the mac */
+
+ /*
+ * If password is zero length or NULL then try verifying both cases to
+ * determine which password is correct. The reason for this is that under
+ * PKCS#12 password based encryption no password and a zero length
+ * password are two different things...
+ */
+
+ if (pass == NULL || *pass == '\0') {
+ if (!PKCS12_mac_present(p12)
+ || PKCS12_verify_mac(p12, NULL, 0))
+ pass = NULL;
+ else if (PKCS12_verify_mac(p12, "", 0))
+ pass = "";
+ else {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_VERIFY_FAILURE);
+ goto err;
+ }
+ } else if (!PKCS12_verify_mac(p12, pass, -1)) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_VERIFY_FAILURE);
+ goto err;
+ }
+
+ /* If needed, allocate stack for other certificates */
+ if ((cert != NULL || ca != NULL)
+ && (ocerts = sk_X509_new_null()) == NULL) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (!parse_pk12(p12, pass, -1, pkey, ocerts)) {
+ int err = ERR_peek_last_error();
+
+ if (ERR_GET_LIB(err) != ERR_LIB_EVP
+ && ERR_GET_REASON(err) != EVP_R_UNSUPPORTED_ALGORITHM)
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_PARSE_ERROR);
+ goto err;
+ }
+
+ /* Split the certs in ocerts over *cert and *ca as far as requested */
+ while ((x = sk_X509_shift(ocerts)) != NULL) {
+ if (pkey != NULL && *pkey != NULL
+ && cert != NULL && *cert == NULL) {
+ int match;
+
+ ERR_set_mark();
+ match = X509_check_private_key(x, *pkey);
+ ERR_pop_to_mark();
+ if (match) {
+ *cert = x;
+ continue;
+ }
+ }
+
+ if (ca != NULL) {
+ if (!ossl_x509_add_cert_new(ca, x, X509_ADD_FLAG_DEFAULT))
+ goto err;
+ continue;
+ }
+ X509_free(x);
+ }
+ sk_X509_free(ocerts);
+
+ return 1;
err:
- if (pkey && *pkey) EVP_PKEY_free (*pkey);
- if (cert && *cert) X509_free (*cert);
- if (ca) sk_X509_pop_free (*ca, X509_free);
- return 0;
+ if (pkey != NULL) {
+ EVP_PKEY_free(*pkey);
+ *pkey = NULL;
+ }
+ if (cert != NULL) {
+ X509_free(*cert);
+ *cert = NULL;
+ }
+ X509_free(x);
+ OSSL_STACK_OF_X509_free(ocerts);
+ return 0;
}
/* Parse the outer PKCS#12 structure */
-static int parse_pk12 (PKCS12 *p12, const char *pass, int passlen,
- EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca)
+/* pkey and/or ocerts may be NULL */
+static int parse_pk12(PKCS12 *p12, const char *pass, int passlen,
+ EVP_PKEY **pkey, STACK_OF(X509) *ocerts)
{
- STACK_OF(PKCS7) *asafes;
- STACK_OF(PKCS12_SAFEBAG) *bags;
- int i, bagnid;
- PKCS7 *p7;
- ASN1_OCTET_STRING *keyid = NULL;
-
- char keymatch = 0;
- if (!( asafes = M_PKCS12_unpack_authsafes (p12))) 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 = M_PKCS12_unpack_p7data (p7);
- } else if (bagnid == NID_pkcs7_encrypted) {
- bags = M_PKCS12_unpack_p7encdata (p7, pass, passlen);
- } else continue;
- if (!bags) {
- sk_PKCS7_pop_free (asafes, PKCS7_free);
- return 0;
- }
- if (!parse_bags(bags, pass, passlen, pkey, cert, ca,
- &keyid, &keymatch)) {
- sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
- sk_PKCS7_pop_free(asafes, PKCS7_free);
- return 0;
- }
- sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
- }
- sk_PKCS7_pop_free(asafes, PKCS7_free);
- if (keyid) M_ASN1_OCTET_STRING_free(keyid);
- return 1;
+ STACK_OF(PKCS7) *asafes;
+ STACK_OF(PKCS12_SAFEBAG) *bags;
+ int i, bagnid;
+ PKCS7 *p7;
+
+ if ((asafes = PKCS12_unpack_authsafes(p12)) == 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, pass, passlen);
+ } else
+ continue;
+ if (!bags) {
+ sk_PKCS7_pop_free(asafes, PKCS7_free);
+ return 0;
+ }
+ if (!parse_bags(bags, pass, passlen, pkey, ocerts)) {
+ sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
+ sk_PKCS7_pop_free(asafes, PKCS7_free);
+ return 0;
+ }
+ sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
+ }
+ sk_PKCS7_pop_free(asafes, PKCS7_free);
+ return 1;
}
-
-static int parse_bags (STACK_OF(PKCS12_SAFEBAG) *bags, const char *pass,
- int passlen, EVP_PKEY **pkey, X509 **cert,
- STACK_OF(X509) **ca, ASN1_OCTET_STRING **keyid,
- char *keymatch)
+/* pkey and/or ocerts may be NULL */
+static int parse_bags(const STACK_OF(PKCS12_SAFEBAG) *bags, const char *pass,
+ int passlen, EVP_PKEY **pkey, STACK_OF(X509) *ocerts)
{
- int i;
- for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
- if (!parse_bag(sk_PKCS12_SAFEBAG_value (bags, i),
- pass, passlen, pkey, cert, ca, keyid,
- keymatch)) return 0;
- }
- return 1;
+ int i;
+ for (i = 0; i < sk_PKCS12_SAFEBAG_num(bags); i++) {
+ if (!parse_bag(sk_PKCS12_SAFEBAG_value(bags, i),
+ pass, passlen, pkey, ocerts))
+ return 0;
+ }
+ return 1;
}
-#define MATCH_KEY 0x1
-#define MATCH_CERT 0x2
-#define MATCH_ALL 0x3
-
+/* pkey and/or ocerts may be NULL */
static int parse_bag(PKCS12_SAFEBAG *bag, const char *pass, int passlen,
- EVP_PKEY **pkey, X509 **cert, STACK_OF(X509) **ca,
- ASN1_OCTET_STRING **keyid,
- char *keymatch)
+ EVP_PKEY **pkey, STACK_OF(X509) *ocerts)
{
- PKCS8_PRIV_KEY_INFO *p8;
- X509 *x509;
- ASN1_OCTET_STRING *lkey = NULL;
- ASN1_TYPE *attrib;
-
-
- if ((attrib = PKCS12_get_attr (bag, NID_localKeyID)))
- lkey = attrib->value.octet_string;
-
- /* Check for any local key id matching (if needed) */
- if (lkey && ((*keymatch & MATCH_ALL) != MATCH_ALL)) {
- if (*keyid) {
- if (M_ASN1_OCTET_STRING_cmp(*keyid, lkey)) lkey = NULL;
- } else {
- if (!(*keyid = M_ASN1_OCTET_STRING_dup(lkey))) {
- PKCS12err(PKCS12_F_PARSE_BAGS,ERR_R_MALLOC_FAILURE);
- return 0;
- }
- }
- }
-
- switch (M_PKCS12_bag_type(bag))
- {
- case NID_keyBag:
- if (!lkey || !pkey) return 1;
- if (!(*pkey = EVP_PKCS82PKEY(bag->value.keybag))) return 0;
- *keymatch |= MATCH_KEY;
- break;
-
- case NID_pkcs8ShroudedKeyBag:
- if (!lkey || !pkey) return 1;
- if (!(p8 = M_PKCS12_decrypt_skey(bag, pass, passlen)))
- return 0;
- *pkey = EVP_PKCS82PKEY(p8);
- PKCS8_PRIV_KEY_INFO_free(p8);
- if (!(*pkey)) return 0;
- *keymatch |= MATCH_KEY;
- break;
-
- case NID_certBag:
- if (M_PKCS12_cert_bag_type(bag) != NID_x509Certificate )
- return 1;
- if (!(x509 = M_PKCS12_certbag2x509(bag))) return 0;
- if (lkey) {
- *keymatch |= MATCH_CERT;
- if (cert) *cert = x509;
- } else {
- if(ca) sk_X509_push (*ca, x509);
- else X509_free(x509);
- }
- break;
-
- case NID_safeContentsBag:
- return parse_bags(bag->value.safes, pass, passlen,
- pkey, cert, ca, keyid, keymatch);
- break;
-
- default:
- return 1;
- break;
- }
- return 1;
+ PKCS8_PRIV_KEY_INFO *p8;
+ X509 *x509;
+ const ASN1_TYPE *attrib;
+ ASN1_BMPSTRING *fname = NULL;
+ ASN1_OCTET_STRING *lkid = NULL;
+
+ if ((attrib = PKCS12_SAFEBAG_get0_attr(bag, NID_friendlyName)))
+ fname = attrib->value.bmpstring;
+
+ if ((attrib = PKCS12_SAFEBAG_get0_attr(bag, NID_localKeyID)))
+ lkid = attrib->value.octet_string;
+
+ switch (PKCS12_SAFEBAG_get_nid(bag)) {
+ case NID_keyBag:
+ if (pkey == NULL || *pkey != NULL)
+ return 1;
+ *pkey = EVP_PKCS82PKEY(PKCS12_SAFEBAG_get0_p8inf(bag));
+ if (*pkey == NULL)
+ return 0;
+ break;
+
+ case NID_pkcs8ShroudedKeyBag:
+ if (pkey == NULL || *pkey != NULL)
+ return 1;
+ if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
+ return 0;
+ *pkey = EVP_PKCS82PKEY(p8);
+ PKCS8_PRIV_KEY_INFO_free(p8);
+ if (!(*pkey))
+ return 0;
+ break;
+
+ case NID_certBag:
+ if (ocerts == NULL
+ || PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
+ return 1;
+ if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
+ return 0;
+ if (lkid && !X509_keyid_set1(x509, lkid->data, lkid->length)) {
+ X509_free(x509);
+ return 0;
+ }
+ if (fname) {
+ int len, r;
+ unsigned char *data;
+
+ len = ASN1_STRING_to_UTF8(&data, fname);
+ if (len >= 0) {
+ r = X509_alias_set1(x509, data, len);
+ OPENSSL_free(data);
+ if (!r) {
+ X509_free(x509);
+ return 0;
+ }
+ }
+ }
+
+ if (!sk_X509_push(ocerts, x509)) {
+ X509_free(x509);
+ return 0;
+ }
+
+ break;
+
+ case NID_safeContentsBag:
+ return parse_bags(PKCS12_SAFEBAG_get0_safes(bag), pass, passlen, pkey,
+ ocerts);
+
+ default:
+ return 1;
+ }
+ return 1;
}
-
projects / openssl.git / blobdiff