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/*
* Copyright 1999-2020 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 "internal/cryptlib.h"
#include <openssl/pkcs12.h>
#include "p12_local.h"
#ifndef OPENSSL_NO_DEPRECATED_1_1_0
ASN1_TYPE *PKCS12_get_attr(const PKCS12_SAFEBAG *bag, int attr_nid)
{
return PKCS12_get_attr_gen(bag->attrib, attr_nid);
}
#endif
const ASN1_TYPE *PKCS12_SAFEBAG_get0_attr(const PKCS12_SAFEBAG *bag,
int attr_nid)
{
return PKCS12_get_attr_gen(bag->attrib, attr_nid);
}
ASN1_TYPE *PKCS8_get_attr(PKCS8_PRIV_KEY_INFO *p8, int attr_nid)
{
return PKCS12_get_attr_gen(PKCS8_pkey_get0_attrs(p8), attr_nid);
}
const PKCS8_PRIV_KEY_INFO *PKCS12_SAFEBAG_get0_p8inf(const PKCS12_SAFEBAG *bag)
{
if (PKCS12_SAFEBAG_get_nid(bag) != NID_keyBag)
return NULL;
return bag->value.keybag;
}
const X509_SIG *PKCS12_SAFEBAG_get0_pkcs8(const PKCS12_SAFEBAG *bag)
{
if (OBJ_obj2nid(bag->type) != NID_pkcs8ShroudedKeyBag)
return NULL;
return bag->value.shkeybag;
}
const STACK_OF(PKCS12_SAFEBAG) *
PKCS12_SAFEBAG_get0_safes(const PKCS12_SAFEBAG *bag)
{
if (OBJ_obj2nid(bag->type) != NID_safeContentsBag)
return NULL;
return bag->value.safes;
}
const ASN1_OBJECT *PKCS12_SAFEBAG_get0_type(const PKCS12_SAFEBAG *bag)
{
return bag->type;
}
int PKCS12_SAFEBAG_get_nid(const PKCS12_SAFEBAG *bag)
{
return OBJ_obj2nid(bag->type);
}
int PKCS12_SAFEBAG_get_bag_nid(const PKCS12_SAFEBAG *bag)
{
int btype = PKCS12_SAFEBAG_get_nid(bag);
if (btype != NID_certBag && btype != NID_crlBag && btype != NID_secretBag)
return -1;
return OBJ_obj2nid(bag->value.bag->type);
}
const ASN1_OBJECT *PKCS12_SAFEBAG_get0_bag_type(const PKCS12_SAFEBAG *bag)
{
return bag->value.bag->type;
}
const ASN1_TYPE *PKCS12_SAFEBAG_get0_bag_obj(const PKCS12_SAFEBAG *bag)
{
return bag->value.bag->value.other;
}
X509 *PKCS12_SAFEBAG_get1_cert(const PKCS12_SAFEBAG *bag)
{
if (PKCS12_SAFEBAG_get_nid(bag) != NID_certBag)
return NULL;
if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Certificate)
return NULL;
return ASN1_item_unpack(bag->value.bag->value.octet,
ASN1_ITEM_rptr(X509));
}
X509_CRL *PKCS12_SAFEBAG_get1_crl(const PKCS12_SAFEBAG *bag)
{
if (PKCS12_SAFEBAG_get_nid(bag) != NID_crlBag)
return NULL;
if (OBJ_obj2nid(bag->value.bag->type) != NID_x509Crl)
return NULL;
return ASN1_item_unpack(bag->value.bag->value.octet,
ASN1_ITEM_rptr(X509_CRL));
}
PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_cert(X509 *x509)
{
return PKCS12_item_pack_safebag(x509, ASN1_ITEM_rptr(X509),
NID_x509Certificate, NID_certBag);
}
PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_crl(X509_CRL *crl)
{
return PKCS12_item_pack_safebag(crl, ASN1_ITEM_rptr(X509_CRL),
NID_x509Crl, NID_crlBag);
}
PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_secret(int type, int vtype, const unsigned char *value, int len)
{
PKCS12_BAGS *bag;
PKCS12_SAFEBAG *safebag;
if ((bag = PKCS12_BAGS_new()) == NULL) {
ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
return NULL;
}
bag->type = OBJ_nid2obj(type);
switch(vtype) {
case V_ASN1_OCTET_STRING:
{
ASN1_OCTET_STRING *strtmp = ASN1_OCTET_STRING_new();
if (strtmp == NULL) {
ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
goto err;
}
/* Pack data into an octet string */
if (!ASN1_OCTET_STRING_set(strtmp, value, len)) {
ASN1_OCTET_STRING_free(strtmp);
ERR_raise(ERR_LIB_PKCS12, PKCS12_R_ENCODE_ERROR);
goto err;
}
bag->value.other = ASN1_TYPE_new();
if (bag->value.other == NULL) {
ASN1_OCTET_STRING_free(strtmp);
ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
goto err;
}
ASN1_TYPE_set(bag->value.other, vtype, strtmp);
}
break;
default:
ERR_raise(ERR_LIB_PKCS12, PKCS12_R_INVALID_TYPE);
goto err;
}
if ((safebag = PKCS12_SAFEBAG_new()) == NULL) {
ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
goto err;
}
safebag->value.bag = bag;
safebag->type = OBJ_nid2obj(NID_secretBag);
return safebag;
err:
PKCS12_BAGS_free(bag);
return NULL;
}
/* Turn PKCS8 object into a keybag */
PKCS12_SAFEBAG *PKCS12_SAFEBAG_create0_p8inf(PKCS8_PRIV_KEY_INFO *p8)
{
PKCS12_SAFEBAG *bag = PKCS12_SAFEBAG_new();
if (bag == NULL) {
ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
return NULL;
}
bag->type = OBJ_nid2obj(NID_keyBag);
bag->value.keybag = p8;
return bag;
}
/* Turn PKCS8 object into a shrouded keybag */
PKCS12_SAFEBAG *PKCS12_SAFEBAG_create0_pkcs8(X509_SIG *p8)
{
PKCS12_SAFEBAG *bag = PKCS12_SAFEBAG_new();
/* Set up the safe bag */
if (bag == NULL) {
ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
return NULL;
}
bag->type = OBJ_nid2obj(NID_pkcs8ShroudedKeyBag);
bag->value.shkeybag = p8;
return bag;
}
PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_pkcs8_encrypt_ex(int pbe_nid,
const char *pass,
int passlen,
unsigned char *salt,
int saltlen, int iter,
PKCS8_PRIV_KEY_INFO *p8inf,
OSSL_LIB_CTX *ctx,
const char *propq)
{
PKCS12_SAFEBAG *bag = NULL;
const EVP_CIPHER *pbe_ciph = NULL;
EVP_CIPHER *pbe_ciph_fetch = NULL;
X509_SIG *p8;
pbe_ciph = pbe_ciph_fetch = EVP_CIPHER_fetch(ctx, OBJ_nid2sn(pbe_nid), propq);
if (pbe_ciph == NULL)
pbe_ciph = EVP_get_cipherbynid(pbe_nid);
if (pbe_ciph != NULL)
pbe_nid = -1;
p8 = PKCS8_encrypt_ex(pbe_nid, pbe_ciph, pass, passlen, salt, saltlen, iter,
p8inf, ctx, propq);
if (p8 == NULL)
goto err;
bag = PKCS12_SAFEBAG_create0_pkcs8(p8);
if (bag == NULL)
X509_SIG_free(p8);
err:
EVP_CIPHER_free(pbe_ciph_fetch);
return bag;
}
PKCS12_SAFEBAG *PKCS12_SAFEBAG_create_pkcs8_encrypt(int pbe_nid,
const char *pass,
int passlen,
unsigned char *salt,
int saltlen, int iter,
PKCS8_PRIV_KEY_INFO *p8inf)
{
return PKCS12_SAFEBAG_create_pkcs8_encrypt_ex(pbe_nid, pass, passlen,
salt, saltlen, iter, p8inf,
NULL, NULL);
}
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