| /* |
| * 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 "internal/cryptlib.h" |
| #include <openssl/pkcs12.h> |
| #include "p12_local.h" |
| |
| static int pkcs12_add_bag(STACK_OF(PKCS12_SAFEBAG) **pbags, |
| PKCS12_SAFEBAG *bag); |
| |
| static int copy_bag_attr(PKCS12_SAFEBAG *bag, EVP_PKEY *pkey, int nid) |
| { |
| int idx; |
| X509_ATTRIBUTE *attr; |
| idx = EVP_PKEY_get_attr_by_NID(pkey, nid, -1); |
| if (idx < 0) |
| return 1; |
| attr = EVP_PKEY_get_attr(pkey, idx); |
| if (!X509at_add1_attr(&bag->attrib, attr)) |
| return 0; |
| return 1; |
| } |
| |
| PKCS12 *PKCS12_create_ex(const char *pass, const char *name, EVP_PKEY *pkey, |
| X509 *cert, STACK_OF(X509) *ca, int nid_key, int nid_cert, |
| int iter, int mac_iter, int keytype, |
| OSSL_LIB_CTX *ctx, const char *propq) |
| { |
| PKCS12 *p12 = NULL; |
| STACK_OF(PKCS7) *safes = NULL; |
| STACK_OF(PKCS12_SAFEBAG) *bags = NULL; |
| PKCS12_SAFEBAG *bag = NULL; |
| int i; |
| unsigned char keyid[EVP_MAX_MD_SIZE]; |
| unsigned int keyidlen = 0; |
| |
| /* Set defaults */ |
| if (nid_cert == NID_undef) |
| nid_cert = NID_aes_256_cbc; |
| if (nid_key == NID_undef) |
| nid_key = NID_aes_256_cbc; |
| if (!iter) |
| iter = PKCS12_DEFAULT_ITER; |
| if (!mac_iter) |
| mac_iter = PKCS12_DEFAULT_ITER; |
| |
| if (pkey == NULL && cert == NULL && ca == NULL) { |
| ERR_raise(ERR_LIB_PKCS12, PKCS12_R_INVALID_NULL_ARGUMENT); |
| return NULL; |
| } |
| |
| if (pkey && cert) { |
| if (!X509_check_private_key(cert, pkey)) |
| return NULL; |
| if (!X509_digest(cert, EVP_sha1(), keyid, &keyidlen)) |
| return NULL; |
| } |
| |
| if (cert) { |
| bag = PKCS12_add_cert(&bags, cert); |
| if (name && !PKCS12_add_friendlyname(bag, name, -1)) |
| goto err; |
| if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) |
| goto err; |
| } |
| |
| /* Add all other certificates */ |
| for (i = 0; i < sk_X509_num(ca); i++) { |
| if (!PKCS12_add_cert(&bags, sk_X509_value(ca, i))) |
| goto err; |
| } |
| |
| if (bags && !PKCS12_add_safe_ex(&safes, bags, nid_cert, iter, pass, |
| ctx, propq)) |
| goto err; |
| |
| sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); |
| bags = NULL; |
| |
| if (pkey) { |
| bag = PKCS12_add_key_ex(&bags, pkey, keytype, iter, nid_key, pass, |
| ctx, propq); |
| |
| if (!bag) |
| goto err; |
| |
| if (!copy_bag_attr(bag, pkey, NID_ms_csp_name)) |
| goto err; |
| if (!copy_bag_attr(bag, pkey, NID_LocalKeySet)) |
| goto err; |
| |
| if (name && !PKCS12_add_friendlyname(bag, name, -1)) |
| goto err; |
| if (keyidlen && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) |
| goto err; |
| } |
| |
| if (bags && !PKCS12_add_safe(&safes, bags, -1, 0, NULL)) |
| goto err; |
| |
| sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); |
| bags = NULL; |
| |
| p12 = PKCS12_add_safes_ex(safes, 0, ctx, propq); |
| |
| if (p12 == NULL) |
| goto err; |
| |
| sk_PKCS7_pop_free(safes, PKCS7_free); |
| |
| safes = NULL; |
| |
| if ((mac_iter != -1) && |
| !PKCS12_set_mac(p12, pass, -1, NULL, 0, mac_iter, NULL)) |
| goto err; |
| |
| return p12; |
| |
| err: |
| PKCS12_free(p12); |
| sk_PKCS7_pop_free(safes, PKCS7_free); |
| sk_PKCS12_SAFEBAG_pop_free(bags, PKCS12_SAFEBAG_free); |
| return NULL; |
| |
| } |
| |
| PKCS12 *PKCS12_create(const char *pass, const char *name, EVP_PKEY *pkey, X509 *cert, |
| STACK_OF(X509) *ca, int nid_key, int nid_cert, int iter, |
| int mac_iter, int keytype) |
| { |
| return PKCS12_create_ex(pass, name, pkey, cert, ca, nid_key, nid_cert, |
| iter, mac_iter, keytype, NULL, NULL); |
| } |
| |
| PKCS12_SAFEBAG *PKCS12_add_cert(STACK_OF(PKCS12_SAFEBAG) **pbags, X509 *cert) |
| { |
| PKCS12_SAFEBAG *bag = NULL; |
| char *name; |
| int namelen = -1; |
| unsigned char *keyid; |
| int keyidlen = -1; |
| |
| /* Add user certificate */ |
| if ((bag = PKCS12_SAFEBAG_create_cert(cert)) == NULL) |
| goto err; |
| |
| /* |
| * Use friendlyName and localKeyID in certificate. (if present) |
| */ |
| |
| name = (char *)X509_alias_get0(cert, &namelen); |
| |
| if (name && !PKCS12_add_friendlyname(bag, name, namelen)) |
| goto err; |
| |
| keyid = X509_keyid_get0(cert, &keyidlen); |
| |
| if (keyid && !PKCS12_add_localkeyid(bag, keyid, keyidlen)) |
| goto err; |
| |
| if (!pkcs12_add_bag(pbags, bag)) |
| goto err; |
| |
| return bag; |
| |
| err: |
| PKCS12_SAFEBAG_free(bag); |
| return NULL; |
| |
| } |
| |
| PKCS12_SAFEBAG *PKCS12_add_key_ex(STACK_OF(PKCS12_SAFEBAG) **pbags, |
| EVP_PKEY *key, int key_usage, int iter, |
| int nid_key, const char *pass, |
| OSSL_LIB_CTX *ctx, const char *propq) |
| { |
| |
| PKCS12_SAFEBAG *bag = NULL; |
| PKCS8_PRIV_KEY_INFO *p8 = NULL; |
| |
| /* Make a PKCS#8 structure */ |
| if ((p8 = EVP_PKEY2PKCS8(key)) == NULL) |
| goto err; |
| if (key_usage && !PKCS8_add_keyusage(p8, key_usage)) |
| goto err; |
| if (nid_key != -1) { |
| bag = PKCS12_SAFEBAG_create_pkcs8_encrypt_ex(nid_key, pass, -1, NULL, 0, |
| iter, p8, ctx, propq); |
| PKCS8_PRIV_KEY_INFO_free(p8); |
| } else |
| bag = PKCS12_SAFEBAG_create0_p8inf(p8); |
| |
| if (!bag) |
| goto err; |
| |
| if (!pkcs12_add_bag(pbags, bag)) |
| goto err; |
| |
| return bag; |
| |
| err: |
| PKCS12_SAFEBAG_free(bag); |
| return NULL; |
| |
| } |
| |
| PKCS12_SAFEBAG *PKCS12_add_key(STACK_OF(PKCS12_SAFEBAG) **pbags, |
| EVP_PKEY *key, int key_usage, int iter, |
| int nid_key, const char *pass) |
| { |
| return PKCS12_add_key_ex(pbags, key, key_usage, iter, nid_key, pass, |
| NULL, NULL); |
| } |
| |
| PKCS12_SAFEBAG *PKCS12_add_secret(STACK_OF(PKCS12_SAFEBAG) **pbags, |
| int nid_type, const unsigned char *value, int len) |
| { |
| PKCS12_SAFEBAG *bag = NULL; |
| |
| /* Add secret, storing the value as an octet string */ |
| if ((bag = PKCS12_SAFEBAG_create_secret(nid_type, V_ASN1_OCTET_STRING, value, len)) == NULL) |
| goto err; |
| |
| if (!pkcs12_add_bag(pbags, bag)) |
| goto err; |
| |
| return bag; |
| err: |
| PKCS12_SAFEBAG_free(bag); |
| return NULL; |
| } |
| |
| int PKCS12_add_safe_ex(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags, |
| int nid_safe, int iter, const char *pass, |
| OSSL_LIB_CTX *ctx, const char *propq) |
| { |
| PKCS7 *p7 = NULL; |
| int free_safes = 0; |
| |
| if (*psafes == NULL) { |
| *psafes = sk_PKCS7_new_null(); |
| if (*psafes == NULL) |
| return 0; |
| free_safes = 1; |
| } |
| |
| if (nid_safe == 0) |
| #ifdef OPENSSL_NO_RC2 |
| nid_safe = NID_pbe_WithSHA1And3_Key_TripleDES_CBC; |
| #else |
| nid_safe = NID_pbe_WithSHA1And40BitRC2_CBC; |
| #endif |
| |
| if (nid_safe == -1) |
| p7 = PKCS12_pack_p7data(bags); |
| else |
| p7 = PKCS12_pack_p7encdata_ex(nid_safe, pass, -1, NULL, 0, iter, bags, ctx, propq); |
| if (p7 == NULL) |
| goto err; |
| |
| if (!sk_PKCS7_push(*psafes, p7)) |
| goto err; |
| |
| return 1; |
| |
| err: |
| if (free_safes) { |
| sk_PKCS7_free(*psafes); |
| *psafes = NULL; |
| } |
| PKCS7_free(p7); |
| return 0; |
| } |
| |
| int PKCS12_add_safe(STACK_OF(PKCS7) **psafes, STACK_OF(PKCS12_SAFEBAG) *bags, |
| int nid_safe, int iter, const char *pass) |
| { |
| return PKCS12_add_safe_ex(psafes, bags, nid_safe, iter, pass, NULL, NULL); |
| } |
| |
| 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); |
| } |
