412 lines
12 KiB
C
412 lines
12 KiB
C
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/*
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* Copyright 1999-2023 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "internal/cryptlib.h"
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#include <openssl/pkcs12.h>
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#include "p12_local.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 pkcs12_remove_bag(STACK_OF(PKCS12_SAFEBAG) **pbags,
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PKCS12_SAFEBAG *bag);
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static PKCS12_SAFEBAG *pkcs12_add_cert_bag(STACK_OF(PKCS12_SAFEBAG) **pbags,
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X509 *cert,
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const char *name,
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int namelen,
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unsigned char *keyid,
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int keyidlen);
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static int copy_bag_attr(PKCS12_SAFEBAG *bag, EVP_PKEY *pkey, int nid)
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{
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int idx = EVP_PKEY_get_attr_by_NID(pkey, nid, -1);
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if (idx < 0)
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return 1;
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return X509at_add1_attr(&bag->attrib, EVP_PKEY_get_attr(pkey, idx)) != NULL;
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}
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PKCS12 *PKCS12_create_ex2(const char *pass, const char *name, EVP_PKEY *pkey,
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X509 *cert, STACK_OF(X509) *ca, int nid_key, int nid_cert,
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int iter, int mac_iter, int keytype,
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OSSL_LIB_CTX *ctx, const char *propq,
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PKCS12_create_cb *cb, void *cbarg)
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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, cbret;
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unsigned char keyid[EVP_MAX_MD_SIZE];
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unsigned int keyidlen = 0;
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int namelen = -1;
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unsigned char *pkeyid = NULL;
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int pkeyidlen = -1;
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/* Set defaults */
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if (nid_cert == NID_undef)
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nid_cert = NID_aes_256_cbc;
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if (nid_key == NID_undef)
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nid_key = NID_aes_256_cbc;
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if (!iter)
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iter = PKCS12_DEFAULT_ITER;
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if (!mac_iter)
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mac_iter = PKCS12_DEFAULT_ITER;
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if (pkey == NULL && cert == NULL && ca == NULL) {
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ERR_raise(ERR_LIB_PKCS12, PKCS12_R_INVALID_NULL_ARGUMENT);
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return NULL;
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}
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if (pkey && cert) {
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if (!X509_check_private_key(cert, pkey))
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return NULL;
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if (!X509_digest(cert, EVP_sha1(), keyid, &keyidlen))
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return NULL;
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}
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if (cert) {
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if (name == NULL)
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name = (char *)X509_alias_get0(cert, &namelen);
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if (keyidlen > 0) {
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pkeyid = keyid;
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pkeyidlen = keyidlen;
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} else {
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pkeyid = X509_keyid_get0(cert, &pkeyidlen);
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}
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bag = pkcs12_add_cert_bag(&bags, cert, name, namelen, pkeyid, pkeyidlen);
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if (cb != NULL) {
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cbret = cb(bag, cbarg);
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if (cbret == -1) {
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ERR_raise(ERR_LIB_PKCS12, PKCS12_R_CALLBACK_FAILED);
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goto err;
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} else if (cbret == 0) {
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pkcs12_remove_bag(&bags, bag);
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}
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}
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}
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/* Add all other certificates */
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for (i = 0; i < sk_X509_num(ca); i++) {
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if ((bag = PKCS12_add_cert(&bags, sk_X509_value(ca, i))) == NULL)
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goto err;
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if (cb != NULL) {
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cbret = cb(bag, cbarg);
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if (cbret == -1) {
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ERR_raise(ERR_LIB_PKCS12, PKCS12_R_CALLBACK_FAILED);
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goto err;
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} else if (cbret == 0) {
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pkcs12_remove_bag(&bags, bag);
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}
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}
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}
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if (bags && !PKCS12_add_safe_ex(&safes, bags, nid_cert, iter, pass,
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ctx, propq))
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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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if (pkey) {
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bag = PKCS12_add_key_ex(&bags, pkey, keytype, iter, nid_key, pass,
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ctx, propq);
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if (!bag)
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goto err;
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if (!copy_bag_attr(bag, pkey, NID_ms_csp_name))
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goto err;
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if (!copy_bag_attr(bag, pkey, NID_LocalKeySet))
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goto err;
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if (name && !PKCS12_add_friendlyname(bag, name, -1))
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goto err;
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if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
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goto err;
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if (cb != NULL) {
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cbret = cb(bag, cbarg);
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if (cbret == -1) {
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ERR_raise(ERR_LIB_PKCS12, PKCS12_R_CALLBACK_FAILED);
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goto err;
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} else if (cbret == 0) {
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pkcs12_remove_bag(&bags, bag);
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}
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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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p12 = PKCS12_add_safes_ex(safes, 0, ctx, propq);
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if (p12 == NULL)
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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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if ((mac_iter != -1) &&
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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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return p12;
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err:
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PKCS12_free(p12);
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sk_PKCS7_pop_free(safes, PKCS7_free);
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sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free);
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return NULL;
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}
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PKCS12 *PKCS12_create_ex(const char *pass, const char *name, EVP_PKEY *pkey, X509 *cert,
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STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter,
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int mac_iter, int keytype,
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OSSL_LIB_CTX *ctx, const char *propq)
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{
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return PKCS12_create_ex2(pass, name, pkey, cert, ca, nid_key, nid_cert,
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iter, mac_iter, keytype, ctx, propq,
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NULL, NULL);
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}
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PKCS12 *PKCS12_create(const char *pass, const char *name, EVP_PKEY *pkey, X509 *cert,
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STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter,
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int mac_iter, int keytype)
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{
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return PKCS12_create_ex(pass, name, pkey, cert, ca, nid_key, nid_cert,
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iter, mac_iter, keytype, NULL, NULL);
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}
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static PKCS12_SAFEBAG *pkcs12_add_cert_bag(STACK_OF(PKCS12_SAFEBAG) **pbags,
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X509 *cert,
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const char *name,
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int namelen,
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unsigned char *keyid,
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int keyidlen)
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{
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PKCS12_SAFEBAG *bag = NULL;
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/* Add user certificate */
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if ((bag = PKCS12_SAFEBAG_create_cert(cert)) == NULL)
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goto err;
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if (name != NULL && !PKCS12_add_friendlyname(bag, name, namelen))
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goto err;
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if (keyid != NULL && !PKCS12_add_localkeyid(bag, keyid, keyidlen))
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goto err;
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if (!pkcs12_add_bag(pbags, bag))
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goto err;
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return bag;
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err:
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PKCS12_SAFEBAG_free(bag);
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return NULL;
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}
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PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert)
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{
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char *name = NULL;
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int namelen = -1;
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unsigned char *keyid = NULL;
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int keyidlen = -1;
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/*
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* Use friendlyName and localKeyID in certificate. (if present)
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*/
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name = (char *)X509_alias_get0(cert, &namelen);
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keyid = X509_keyid_get0(cert, &keyidlen);
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return pkcs12_add_cert_bag(pbags, cert, name, namelen, keyid, keyidlen);
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}
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PKCS12_SAFEBAG *PKCS12_add_key_ex(STACK_OF(PKCS12_SAFEBAG) **pbags,
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EVP_PKEY *key, int key_usage, int iter,
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int nid_key, const char *pass,
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OSSL_LIB_CTX *ctx, const char *propq)
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{
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PKCS12_SAFEBAG *bag = NULL;
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PKCS8_PRIV_KEY_INFO *p8 = NULL;
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/* Make a PKCS#8 structure */
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if ((p8 = EVP_PKEY2PKCS8(key)) == NULL)
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goto err;
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if (key_usage && !PKCS8_add_keyusage(p8, key_usage))
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goto err;
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if (nid_key != -1) {
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bag = PKCS12_SAFEBAG_create_pkcs8_encrypt_ex(nid_key, pass, -1, NULL, 0,
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iter, p8, ctx, propq);
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PKCS8_PRIV_KEY_INFO_free(p8);
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} else
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bag = PKCS12_SAFEBAG_create0_p8inf(p8);
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if (!bag)
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goto err;
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if (!pkcs12_add_bag(pbags, bag))
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goto err;
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return bag;
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err:
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PKCS12_SAFEBAG_free(bag);
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return NULL;
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}
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PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags,
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EVP_PKEY *key, int key_usage, int iter,
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int nid_key, const char *pass)
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{
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return PKCS12_add_key_ex(pbags, key, key_usage, iter, nid_key, pass,
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NULL, NULL);
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}
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PKCS12_SAFEBAG *PKCS12_add_secret(STACK_OF(PKCS12_SAFEBAG) **pbags,
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int nid_type, const unsigned char *value, int len)
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{
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PKCS12_SAFEBAG *bag = NULL;
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/* Add secret, storing the value as an octet string */
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if ((bag = PKCS12_SAFEBAG_create_secret(nid_type, V_ASN1_OCTET_STRING, value, len)) == NULL)
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goto err;
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if (!pkcs12_add_bag(pbags, bag))
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goto err;
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return bag;
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err:
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PKCS12_SAFEBAG_free(bag);
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return NULL;
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}
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int PKCS12_add_safe_ex(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags,
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int nid_safe, int iter, const char *pass,
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OSSL_LIB_CTX *ctx, const char *propq)
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{
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PKCS7 *p7 = NULL;
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int free_safes = 0;
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if (*psafes == NULL) {
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*psafes = sk_PKCS7_new_null();
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if (*psafes == NULL)
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return 0;
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free_safes = 1;
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}
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if (nid_safe == 0)
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#ifdef OPENSSL_NO_RC2
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nid_safe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC;
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#else
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nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC;
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#endif
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if (nid_safe == -1)
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p7 = PKCS12_pack_p7data(bags);
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else
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p7 = PKCS12_pack_p7encdata_ex(nid_safe, pass, -1, NULL, 0, iter, bags, ctx, propq);
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if (p7 == NULL)
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goto err;
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if (!sk_PKCS7_push(*psafes, p7))
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goto err;
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return 1;
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err:
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if (free_safes) {
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sk_PKCS7_free(*psafes);
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*psafes = NULL;
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}
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PKCS7_free(p7);
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return 0;
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}
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int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags,
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int nid_safe, int iter, const char *pass)
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{
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return PKCS12_add_safe_ex(psafes, bags, nid_safe, iter, pass, NULL, NULL);
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}
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static int pkcs12_remove_bag(STACK_OF(PKCS12_SAFEBAG) **pbags,
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PKCS12_SAFEBAG *bag)
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{
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PKCS12_SAFEBAG *tmp;
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if (pbags == NULL || bag == NULL)
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return 1;
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if ((tmp = sk_PKCS12_SAFEBAG_delete_ptr(*pbags, bag)) == NULL)
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|
return 0;
|
||
|
|
|
||
|
|
PKCS12_SAFEBAG_free(tmp);
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags,
|
||
|
|
PKCS12_SAFEBAG *bag)
|
||
|
|
{
|
||
|
|
int free_bags = 0;
|
||
|
|
|
||
|
|
if (pbags == NULL)
|
||
|
|
return 1;
|
||
|
|
if (*pbags == NULL) {
|
||
|
|
*pbags = sk_PKCS12_SAFEBAG_new_null();
|
||
|
|
if (*pbags == NULL)
|
||
|
|
return 0;
|
||
|
|
free_bags = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!sk_PKCS12_SAFEBAG_push(*pbags, bag)) {
|
||
|
|
if (free_bags) {
|
||
|
|
sk_PKCS12_SAFEBAG_free(*pbags);
|
||
|
|
*pbags = NULL;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 1;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
PKCS12 *PKCS12_add_safes_ex(STACK_OF(PKCS7) *safes, int nid_p7,
|
||
|
|
OSSL_LIB_CTX *ctx, const char *propq)
|
||
|
|
{
|
||
|
|
PKCS12 *p12;
|
||
|
|
|
||
|
|
if (nid_p7 <= 0)
|
||
|
|
nid_p7 = NID_pkcs7_data;
|
||
|
|
p12 = PKCS12_init_ex(nid_p7, ctx, propq);
|
||
|
|
if (p12 == NULL)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
if (!PKCS12_pack_authsafes(p12, safes)) {
|
||
|
|
PKCS12_free(p12);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return p12;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
PKCS12 *PKCS12_add_safes(STACK_OF(PKCS7) *safes, int nid_p7)
|
||
|
|
{
|
||
|
|
return PKCS12_add_safes_ex(safes, nid_p7, NULL, NULL);
|
||
|
|
}
|