/*
- * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * 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 "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, STACK_OF(X509) *ocerts);
-static int parse_bags(STACK_OF(PKCS12_SAFEBAG) *bags, const char *pass,
+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,
/*
* 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
- * uninitialised.
+ * 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) *ocerts = NULL;
X509 *x = NULL;
+
+ if (pkey != NULL)
+ *pkey = NULL;
+ if (cert != NULL)
+ *cert = NULL;
+
/* Check for NULL PKCS12 structure */
- if (!p12) {
- PKCS12err(PKCS12_F_PKCS12_PARSE,
- PKCS12_R_INVALID_NULL_PKCS12_POINTER);
+ if (p12 == NULL) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_INVALID_NULL_PKCS12_POINTER);
return 0;
}
- if (pkey)
- *pkey = NULL;
- if (cert)
- *cert = NULL;
-
/* Check the mac */
/*
* password are two different things...
*/
- if (!pass || !*pass) {
- if (PKCS12_verify_mac(p12, NULL, 0))
+ 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 {
- PKCS12err(PKCS12_F_PKCS12_PARSE, PKCS12_R_MAC_VERIFY_FAILURE);
+ ERR_raise(ERR_LIB_PKCS12, 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);
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_VERIFY_FAILURE);
goto err;
}
- /* Allocate stack for other certificates */
- ocerts = sk_X509_new_null();
-
- if (!ocerts) {
- PKCS12err(PKCS12_F_PKCS12_PARSE, ERR_R_MALLOC_FAILURE);
- return 0;
+ /* 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)) {
- PKCS12err(PKCS12_F_PKCS12_PARSE, PKCS12_R_PARSE_ERROR);
+ 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;
}
- while ((x = sk_X509_pop(ocerts))) {
- if (pkey && *pkey && cert && !*cert) {
+ /* 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();
- if (X509_check_private_key(x, *pkey)) {
+ match = X509_check_private_key(x, *pkey);
+ ERR_pop_to_mark();
+ if (match) {
*cert = x;
- x = NULL;
+ continue;
}
- ERR_pop_to_mark();
}
- if (ca && x) {
- if (!*ca)
- *ca = sk_X509_new_null();
- if (!*ca)
+ if (ca != NULL) {
+ if (!ossl_x509_add_cert_new(ca, x, X509_ADD_FLAG_DEFAULT))
goto err;
- if (!sk_X509_push(*ca, x))
- goto err;
- x = NULL;
+ continue;
}
X509_free(x);
}
-
- sk_X509_pop_free(ocerts, X509_free);
+ sk_X509_free(ocerts);
return 1;
err:
- if (pkey)
+ if (pkey != NULL) {
EVP_PKEY_free(*pkey);
- if (cert)
+ *pkey = NULL;
+ }
+ if (cert != NULL) {
X509_free(*cert);
+ *cert = NULL;
+ }
X509_free(x);
- sk_X509_pop_free(ocerts, X509_free);
+ OSSL_STACK_OF_X509_free(ocerts);
return 0;
}
/* Parse the outer PKCS#12 structure */
+/* 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)
{
return 1;
}
-static int parse_bags(STACK_OF(PKCS12_SAFEBAG) *bags, const char *pass,
+/* 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;
return 1;
}
+/* pkey and/or ocerts may be NULL */
static int parse_bag(PKCS12_SAFEBAG *bag, const char *pass, int passlen,
EVP_PKEY **pkey, STACK_OF(X509) *ocerts)
{
PKCS8_PRIV_KEY_INFO *p8;
X509 *x509;
- ASN1_TYPE *attrib;
+ const ASN1_TYPE *attrib;
ASN1_BMPSTRING *fname = NULL;
ASN1_OCTET_STRING *lkid = NULL;
switch (PKCS12_SAFEBAG_get_nid(bag)) {
case NID_keyBag:
- if (!pkey || *pkey)
+ if (pkey == NULL || *pkey != NULL)
return 1;
*pkey = EVP_PKCS82PKEY(PKCS12_SAFEBAG_get0_p8inf(bag));
if (*pkey == NULL)
break;
case NID_pkcs8ShroudedKeyBag:
- if (!pkey || *pkey)
+ if (pkey == NULL || *pkey != NULL)
return 1;
if ((p8 = PKCS12_decrypt_skey(bag, pass, passlen)) == NULL)
return 0;
break;
case NID_certBag:
- if (PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
+ if (ocerts == NULL
+ || PKCS12_SAFEBAG_get_bag_nid(bag) != NID_x509Certificate)
return 1;
if ((x509 = PKCS12_SAFEBAG_get1_cert(bag)) == NULL)
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);