1824 lines
43 KiB
C
1824 lines
43 KiB
C
/* engines/e_capi.c */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project.
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*/
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/* ====================================================================
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* Copyright (c) 2008 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*/
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#include <stdio.h>
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#include <string.h>
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#include <openssl/crypto.h>
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#include <openssl/buffer.h>
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#include <openssl/bn.h>
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#ifdef OPENSSL_SYS_WIN32
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#ifndef OPENSSL_NO_CAPIENG
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#include <openssl/rsa.h>
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#include <windows.h>
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#ifndef _WIN32_WINNT
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#define _WIN32_WINNT 0x0400
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#endif
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#include <wincrypt.h>
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/*
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* This module uses several "new" interfaces, among which is
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* CertGetCertificateContextProperty. CERT_KEY_PROV_INFO_PROP_ID is
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* one of possible values you can pass to function in question. By
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* checking if it's defined we can see if wincrypt.h and accompanying
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* crypt32.lib are in shape. The native MingW32 headers up to and
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* including __W32API_VERSION 3.14 lack of struct DSSPUBKEY and the
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* defines CERT_STORE_PROV_SYSTEM_A and CERT_STORE_READONLY_FLAG,
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* so we check for these too and avoid compiling.
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* Yes, it's rather "weak" test and if compilation fails,
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* then re-configure with -DOPENSSL_NO_CAPIENG.
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*/
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#if defined(CERT_KEY_PROV_INFO_PROP_ID) && \
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defined(CERT_STORE_PROV_SYSTEM_A) && \
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defined(CERT_STORE_READONLY_FLAG)
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# define __COMPILE_CAPIENG
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#endif /* CERT_KEY_PROV_INFO_PROP_ID */
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#endif /* OPENSSL_NO_CAPIENG */
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#endif /* OPENSSL_SYS_WIN32 */
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#ifdef __COMPILE_CAPIENG
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#undef X509_EXTENSIONS
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#undef X509_CERT_PAIR
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/* Definitions which may be missing from earlier version of headers */
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#ifndef CERT_STORE_OPEN_EXISTING_FLAG
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#define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
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#endif
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#ifndef CERT_STORE_CREATE_NEW_FLAG
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#define CERT_STORE_CREATE_NEW_FLAG 0x00002000
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#endif
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#ifndef CERT_SYSTEM_STORE_CURRENT_USER
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#define CERT_SYSTEM_STORE_CURRENT_USER 0x00010000
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#endif
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#include <openssl/engine.h>
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#include <openssl/pem.h>
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#include <openssl/x509v3.h>
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#include "e_capi_err.h"
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#include "e_capi_err.c"
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static const char *engine_capi_id = "capi";
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static const char *engine_capi_name = "CryptoAPI ENGINE";
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typedef struct CAPI_CTX_st CAPI_CTX;
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typedef struct CAPI_KEY_st CAPI_KEY;
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static void capi_addlasterror(void);
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static void capi_adderror(DWORD err);
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static void CAPI_trace(CAPI_CTX *ctx, char *format, ...);
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static int capi_list_providers(CAPI_CTX *ctx, BIO *out);
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static int capi_list_containers(CAPI_CTX *ctx, BIO *out);
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int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *storename);
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void capi_free_key(CAPI_KEY *key);
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static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore);
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CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id);
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static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
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UI_METHOD *ui_method, void *callback_data);
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static int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
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unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
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static int capi_rsa_priv_enc(int flen, const unsigned char *from,
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unsigned char *to, RSA *rsa, int padding);
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static int capi_rsa_priv_dec(int flen, const unsigned char *from,
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unsigned char *to, RSA *rsa, int padding);
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static int capi_rsa_free(RSA *rsa);
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static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
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DSA *dsa);
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static int capi_dsa_free(DSA *dsa);
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static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
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STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
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STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data);
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static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
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#ifdef OPENSSL_CAPIENG_DIALOG
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static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
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#endif
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typedef PCCERT_CONTEXT (WINAPI *CERTDLG)(HCERTSTORE, HWND, LPCWSTR,
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LPCWSTR, DWORD, DWORD,
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void *);
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typedef HWND (WINAPI *GETCONSWIN)(void);
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/* This structure contains CAPI ENGINE specific data:
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* it contains various global options and affects how
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* other functions behave.
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*/
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#define CAPI_DBG_TRACE 2
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#define CAPI_DBG_ERROR 1
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struct CAPI_CTX_st {
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int debug_level;
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char *debug_file;
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/* Parameters to use for container lookup */
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DWORD keytype;
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LPSTR cspname;
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DWORD csptype;
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/* Certificate store name to use */
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LPSTR storename;
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LPSTR ssl_client_store;
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/* System store flags */
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DWORD store_flags;
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/* Lookup string meanings in load_private_key */
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/* Substring of subject: uses "storename" */
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#define CAPI_LU_SUBSTR 1
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/* Friendly name: uses storename */
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#define CAPI_LU_FNAME 2
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/* Container name: uses cspname, keytype */
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#define CAPI_LU_CONTNAME 3
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int lookup_method;
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/* Info to dump with dumpcerts option */
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/* Issuer and serial name strings */
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#define CAPI_DMP_SUMMARY 0x1
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/* Friendly name */
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#define CAPI_DMP_FNAME 0x2
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/* Full X509_print dump */
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#define CAPI_DMP_FULL 0x4
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/* Dump PEM format certificate */
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#define CAPI_DMP_PEM 0x8
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/* Dump pseudo key (if possible) */
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#define CAPI_DMP_PSKEY 0x10
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/* Dump key info (if possible) */
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#define CAPI_DMP_PKEYINFO 0x20
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DWORD dump_flags;
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int (*client_cert_select)(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
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CERTDLG certselectdlg;
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GETCONSWIN getconswindow;
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};
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static CAPI_CTX *capi_ctx_new();
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static void capi_ctx_free(CAPI_CTX *ctx);
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static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
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static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
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#define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
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#define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
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#define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
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#define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
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#define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
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#define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
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#define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
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#define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
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#define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
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#define CAPI_CMD_LIST_CONTAINERS (ENGINE_CMD_BASE + 9)
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#define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
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#define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
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#define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
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#define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
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static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
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{CAPI_CMD_LIST_CERTS,
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"list_certs",
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"List all certificates in store",
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ENGINE_CMD_FLAG_NO_INPUT},
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{CAPI_CMD_LOOKUP_CERT,
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"lookup_cert",
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"Lookup and output certificates",
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ENGINE_CMD_FLAG_STRING},
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{CAPI_CMD_DEBUG_LEVEL,
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"debug_level",
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"debug level (1=errors, 2=trace)",
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ENGINE_CMD_FLAG_NUMERIC},
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{CAPI_CMD_DEBUG_FILE,
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"debug_file",
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"debugging filename)",
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ENGINE_CMD_FLAG_STRING},
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{CAPI_CMD_KEYTYPE,
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"key_type",
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"Key type: 1=AT_KEYEXCHANGE (default), 2=AT_SIGNATURE",
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ENGINE_CMD_FLAG_NUMERIC},
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{CAPI_CMD_LIST_CSPS,
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"list_csps",
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"List all CSPs",
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ENGINE_CMD_FLAG_NO_INPUT},
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{CAPI_CMD_SET_CSP_IDX,
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"csp_idx",
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"Set CSP by index",
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ENGINE_CMD_FLAG_NUMERIC},
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{CAPI_CMD_SET_CSP_NAME,
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"csp_name",
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"Set CSP name, (default CSP used if not specified)",
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ENGINE_CMD_FLAG_STRING},
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{CAPI_CMD_SET_CSP_TYPE,
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"csp_type",
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"Set CSP type, (default RSA_PROV_FULL)",
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ENGINE_CMD_FLAG_NUMERIC},
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{CAPI_CMD_LIST_CONTAINERS,
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"list_containers",
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"list container names",
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ENGINE_CMD_FLAG_NO_INPUT},
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{CAPI_CMD_LIST_OPTIONS,
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"list_options",
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"Set list options (1=summary,2=friendly name, 4=full printout, 8=PEM output, 16=XXX, "
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"32=private key info)",
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ENGINE_CMD_FLAG_NUMERIC},
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{CAPI_CMD_LOOKUP_METHOD,
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"lookup_method",
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"Set key lookup method (1=substring, 2=friendlyname, 3=container name)",
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ENGINE_CMD_FLAG_NUMERIC},
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{CAPI_CMD_STORE_NAME,
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"store_name",
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"certificate store name, default \"MY\"",
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ENGINE_CMD_FLAG_STRING},
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{CAPI_CMD_STORE_FLAGS,
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"store_flags",
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"Certificate store flags: 1 = system store",
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ENGINE_CMD_FLAG_NUMERIC},
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{0, NULL, NULL, 0}
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};
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static int capi_idx = -1;
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static int rsa_capi_idx = -1;
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static int dsa_capi_idx = -1;
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static int cert_capi_idx = -1;
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static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
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{
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int ret = 1;
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CAPI_CTX *ctx;
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BIO *out;
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if (capi_idx == -1)
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{
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CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_ENGINE_NOT_INITIALIZED);
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return 0;
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}
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ctx = ENGINE_get_ex_data(e, capi_idx);
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out = BIO_new_fp(stdout, BIO_NOCLOSE);
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switch (cmd)
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{
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case CAPI_CMD_LIST_CSPS:
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ret = capi_list_providers(ctx, out);
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break;
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case CAPI_CMD_LIST_CERTS:
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ret = capi_list_certs(ctx, out, NULL);
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break;
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case CAPI_CMD_LOOKUP_CERT:
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ret = capi_list_certs(ctx, out, p);
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break;
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case CAPI_CMD_LIST_CONTAINERS:
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ret = capi_list_containers(ctx, out);
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break;
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case CAPI_CMD_STORE_NAME:
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if (ctx->storename)
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OPENSSL_free(ctx->storename);
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ctx->storename = BUF_strdup(p);
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CAPI_trace(ctx, "Setting store name to %s\n", p);
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break;
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case CAPI_CMD_STORE_FLAGS:
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if (i & 1)
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{
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ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
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ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
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}
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else
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{
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ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
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ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
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}
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CAPI_trace(ctx, "Setting flags to %d\n", i);
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break;
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case CAPI_CMD_DEBUG_LEVEL:
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ctx->debug_level = (int)i;
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CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
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break;
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case CAPI_CMD_DEBUG_FILE:
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ctx->debug_file = BUF_strdup(p);
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CAPI_trace(ctx, "Setting debug file to %s\n", ctx->debug_file);
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break;
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case CAPI_CMD_KEYTYPE:
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ctx->keytype = i;
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CAPI_trace(ctx, "Setting key type to %d\n", ctx->keytype);
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break;
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case CAPI_CMD_SET_CSP_IDX:
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ret = capi_ctx_set_provname_idx(ctx, i);
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break;
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case CAPI_CMD_LIST_OPTIONS:
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ctx->dump_flags = i;
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break;
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case CAPI_CMD_LOOKUP_METHOD:
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if (i < 1 || i > 3)
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{
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CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_INVALID_LOOKUP_METHOD);
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return 0;
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}
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ctx->lookup_method = i;
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break;
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case CAPI_CMD_SET_CSP_NAME:
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ret = capi_ctx_set_provname(ctx, p, ctx->csptype, 1);
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break;
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case CAPI_CMD_SET_CSP_TYPE:
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ctx->csptype = i;
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break;
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default:
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CAPIerr(CAPI_F_CAPI_CTRL, CAPI_R_UNKNOWN_COMMAND);
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ret = 0;
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}
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BIO_free(out);
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return ret;
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}
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|
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static RSA_METHOD capi_rsa_method =
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{
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"CryptoAPI RSA method",
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0, /* pub_enc */
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0, /* pub_dec */
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capi_rsa_priv_enc, /* priv_enc */
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capi_rsa_priv_dec, /* priv_dec */
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0, /* rsa_mod_exp */
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0, /* bn_mod_exp */
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0, /* init */
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capi_rsa_free, /* finish */
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RSA_FLAG_SIGN_VER, /* flags */
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NULL, /* app_data */
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capi_rsa_sign, /* rsa_sign */
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0 /* rsa_verify */
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};
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static DSA_METHOD capi_dsa_method =
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{
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"CryptoAPI DSA method",
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capi_dsa_do_sign, /* dsa_do_sign */
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0, /* dsa_sign_setup */
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0, /* dsa_do_verify */
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0, /* dsa_mod_exp */
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0, /* bn_mod_exp */
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0, /* init */
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capi_dsa_free, /* finish */
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0, /* flags */
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NULL, /* app_data */
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0, /* dsa_paramgen */
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0 /* dsa_keygen */
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};
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|
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static int capi_init(ENGINE *e)
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{
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CAPI_CTX *ctx;
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const RSA_METHOD *ossl_rsa_meth;
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const DSA_METHOD *ossl_dsa_meth;
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capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
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cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
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ctx = capi_ctx_new();
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if (!ctx || (capi_idx < 0))
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goto memerr;
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ENGINE_set_ex_data(e, capi_idx, ctx);
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/* Setup RSA_METHOD */
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rsa_capi_idx = RSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
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ossl_rsa_meth = RSA_PKCS1_SSLeay();
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capi_rsa_method.rsa_pub_enc = ossl_rsa_meth->rsa_pub_enc;
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capi_rsa_method.rsa_pub_dec = ossl_rsa_meth->rsa_pub_dec;
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capi_rsa_method.rsa_mod_exp = ossl_rsa_meth->rsa_mod_exp;
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capi_rsa_method.bn_mod_exp = ossl_rsa_meth->bn_mod_exp;
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/* Setup DSA Method */
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dsa_capi_idx = DSA_get_ex_new_index(0, NULL, NULL, NULL, 0);
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ossl_dsa_meth = DSA_OpenSSL();
|
|
capi_dsa_method.dsa_do_verify = ossl_dsa_meth->dsa_do_verify;
|
|
capi_dsa_method.dsa_mod_exp = ossl_dsa_meth->dsa_mod_exp;
|
|
capi_dsa_method.bn_mod_exp = ossl_dsa_meth->bn_mod_exp;
|
|
|
|
#ifdef OPENSSL_CAPIENG_DIALOG
|
|
{
|
|
HMODULE cryptui = LoadLibrary(TEXT("CRYPTUI.DLL"));
|
|
HMODULE kernel = GetModuleHandle(TEXT("KERNEL32.DLL"));
|
|
if (cryptui)
|
|
ctx->certselectdlg = (CERTDLG)GetProcAddress(cryptui, "CryptUIDlgSelectCertificateFromStore");
|
|
if (kernel)
|
|
ctx->getconswindow = (GETCONSWIN)GetProcAddress(kernel, "GetConsoleWindow");
|
|
if (cryptui && !OPENSSL_isservice())
|
|
ctx->client_cert_select = cert_select_dialog;
|
|
}
|
|
#endif
|
|
|
|
|
|
return 1;
|
|
|
|
memerr:
|
|
CAPIerr(CAPI_F_CAPI_INIT, ERR_R_MALLOC_FAILURE);
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int capi_destroy(ENGINE *e)
|
|
{
|
|
ERR_unload_CAPI_strings();
|
|
return 1;
|
|
}
|
|
|
|
static int capi_finish(ENGINE *e)
|
|
{
|
|
CAPI_CTX *ctx;
|
|
ctx = ENGINE_get_ex_data(e, capi_idx);
|
|
capi_ctx_free(ctx);
|
|
ENGINE_set_ex_data(e, capi_idx, NULL);
|
|
return 1;
|
|
}
|
|
|
|
|
|
/* CryptoAPI key application data. This contains
|
|
* a handle to the private key container (for sign operations)
|
|
* and a handle to the key (for decrypt operations).
|
|
*/
|
|
|
|
struct CAPI_KEY_st
|
|
{
|
|
/* Associated certificate context (if any) */
|
|
PCCERT_CONTEXT pcert;
|
|
HCRYPTPROV hprov;
|
|
HCRYPTKEY key;
|
|
DWORD keyspec;
|
|
};
|
|
|
|
static int bind_capi(ENGINE *e)
|
|
{
|
|
if (!ENGINE_set_id(e, engine_capi_id)
|
|
|| !ENGINE_set_name(e, engine_capi_name)
|
|
|| !ENGINE_set_init_function(e, capi_init)
|
|
|| !ENGINE_set_finish_function(e, capi_finish)
|
|
|| !ENGINE_set_destroy_function(e, capi_destroy)
|
|
|| !ENGINE_set_RSA(e, &capi_rsa_method)
|
|
|| !ENGINE_set_DSA(e, &capi_dsa_method)
|
|
|| !ENGINE_set_load_privkey_function(e, capi_load_privkey)
|
|
|| !ENGINE_set_load_ssl_client_cert_function(e,
|
|
capi_load_ssl_client_cert)
|
|
|| !ENGINE_set_cmd_defns(e, capi_cmd_defns)
|
|
|| !ENGINE_set_ctrl_function(e, capi_ctrl))
|
|
return 0;
|
|
ERR_load_CAPI_strings();
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_DYNAMIC_ENGINE
|
|
static int bind_helper(ENGINE *e, const char *id)
|
|
{
|
|
if(id && (strcmp(id, engine_capi_id) != 0))
|
|
return 0;
|
|
if(!bind_capi(e))
|
|
return 0;
|
|
return 1;
|
|
}
|
|
IMPLEMENT_DYNAMIC_CHECK_FN()
|
|
IMPLEMENT_DYNAMIC_BIND_FN(bind_helper)
|
|
#else
|
|
static ENGINE *engine_capi(void)
|
|
{
|
|
ENGINE *ret = ENGINE_new();
|
|
if(!ret)
|
|
return NULL;
|
|
if(!bind_capi(ret))
|
|
{
|
|
ENGINE_free(ret);
|
|
return NULL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void ENGINE_load_capi(void)
|
|
{
|
|
/* Copied from eng_[openssl|dyn].c */
|
|
ENGINE *toadd = engine_capi();
|
|
if(!toadd) return;
|
|
ENGINE_add(toadd);
|
|
ENGINE_free(toadd);
|
|
ERR_clear_error();
|
|
}
|
|
#endif
|
|
|
|
|
|
static int lend_tobn(BIGNUM *bn, unsigned char *bin, int binlen)
|
|
{
|
|
int i;
|
|
/* Reverse buffer in place: since this is a keyblob structure
|
|
* that will be freed up after conversion anyway it doesn't
|
|
* matter if we change it.
|
|
*/
|
|
for(i = 0; i < binlen / 2; i++)
|
|
{
|
|
unsigned char c;
|
|
c = bin[i];
|
|
bin[i] = bin[binlen - i - 1];
|
|
bin[binlen - i - 1] = c;
|
|
}
|
|
|
|
if (!BN_bin2bn(bin, binlen, bn))
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
/* Given a CAPI_KEY get an EVP_PKEY structure */
|
|
|
|
static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY *key)
|
|
{
|
|
unsigned char *pubkey = NULL;
|
|
DWORD len;
|
|
BLOBHEADER *bh;
|
|
RSA *rkey = NULL;
|
|
DSA *dkey = NULL;
|
|
EVP_PKEY *ret = NULL;
|
|
if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
|
|
capi_addlasterror();
|
|
return NULL;
|
|
}
|
|
|
|
pubkey = OPENSSL_malloc(len);
|
|
|
|
if (!pubkey)
|
|
goto memerr;
|
|
|
|
if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
|
|
capi_addlasterror();
|
|
goto err;
|
|
}
|
|
|
|
bh = (BLOBHEADER *)pubkey;
|
|
if (bh->bType != PUBLICKEYBLOB)
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
|
|
goto err;
|
|
}
|
|
if (bh->aiKeyAlg == CALG_RSA_SIGN || bh->aiKeyAlg == CALG_RSA_KEYX)
|
|
{
|
|
RSAPUBKEY *rp;
|
|
DWORD rsa_modlen;
|
|
unsigned char *rsa_modulus;
|
|
rp = (RSAPUBKEY *)(bh + 1);
|
|
if (rp->magic != 0x31415352)
|
|
{
|
|
char magstr[10];
|
|
BIO_snprintf(magstr, 10, "%lx", rp->magic);
|
|
CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
|
|
ERR_add_error_data(2, "magic=0x", magstr);
|
|
goto err;
|
|
}
|
|
rsa_modulus = (unsigned char *)(rp + 1);
|
|
rkey = RSA_new_method(eng);
|
|
if (!rkey)
|
|
goto memerr;
|
|
|
|
rkey->e = BN_new();
|
|
rkey->n = BN_new();
|
|
|
|
if (!rkey->e || !rkey->n)
|
|
goto memerr;
|
|
|
|
if (!BN_set_word(rkey->e, rp->pubexp))
|
|
goto memerr;
|
|
|
|
rsa_modlen = rp->bitlen / 8;
|
|
if (!lend_tobn(rkey->n, rsa_modulus, rsa_modlen))
|
|
goto memerr;
|
|
|
|
RSA_set_ex_data(rkey, rsa_capi_idx, key);
|
|
|
|
if (!(ret = EVP_PKEY_new()))
|
|
goto memerr;
|
|
|
|
EVP_PKEY_assign_RSA(ret, rkey);
|
|
rkey = NULL;
|
|
|
|
}
|
|
else if (bh->aiKeyAlg == CALG_DSS_SIGN)
|
|
{
|
|
DSSPUBKEY *dp;
|
|
DWORD dsa_plen;
|
|
unsigned char *btmp;
|
|
dp = (DSSPUBKEY *)(bh + 1);
|
|
if (dp->magic != 0x31535344)
|
|
{
|
|
char magstr[10];
|
|
BIO_snprintf(magstr, 10, "%lx", dp->magic);
|
|
CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
|
|
ERR_add_error_data(2, "magic=0x", magstr);
|
|
goto err;
|
|
}
|
|
dsa_plen = dp->bitlen / 8;
|
|
btmp = (unsigned char *)(dp + 1);
|
|
dkey = DSA_new_method(eng);
|
|
if (!dkey)
|
|
goto memerr;
|
|
dkey->p = BN_new();
|
|
dkey->q = BN_new();
|
|
dkey->g = BN_new();
|
|
dkey->pub_key = BN_new();
|
|
if (!dkey->p || !dkey->q || !dkey->g || !dkey->pub_key)
|
|
goto memerr;
|
|
if (!lend_tobn(dkey->p, btmp, dsa_plen))
|
|
goto memerr;
|
|
btmp += dsa_plen;
|
|
if (!lend_tobn(dkey->q, btmp, 20))
|
|
goto memerr;
|
|
btmp += 20;
|
|
if (!lend_tobn(dkey->g, btmp, dsa_plen))
|
|
goto memerr;
|
|
btmp += dsa_plen;
|
|
if (!lend_tobn(dkey->pub_key, btmp, dsa_plen))
|
|
goto memerr;
|
|
btmp += dsa_plen;
|
|
|
|
DSA_set_ex_data(dkey, dsa_capi_idx, key);
|
|
|
|
if (!(ret = EVP_PKEY_new()))
|
|
goto memerr;
|
|
|
|
EVP_PKEY_assign_DSA(ret, dkey);
|
|
dkey = NULL;
|
|
}
|
|
else
|
|
{
|
|
char algstr[10];
|
|
BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
|
|
CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
|
|
ERR_add_error_data(2, "aiKeyAlg=0x", algstr);
|
|
goto err;
|
|
}
|
|
|
|
|
|
err:
|
|
if (pubkey)
|
|
OPENSSL_free(pubkey);
|
|
if (!ret)
|
|
{
|
|
if (rkey)
|
|
RSA_free(rkey);
|
|
if (dkey)
|
|
DSA_free(dkey);
|
|
}
|
|
|
|
return ret;
|
|
|
|
memerr:
|
|
CAPIerr(CAPI_F_CAPI_GET_PKEY, ERR_R_MALLOC_FAILURE);
|
|
goto err;
|
|
|
|
}
|
|
|
|
static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
|
|
UI_METHOD *ui_method, void *callback_data)
|
|
{
|
|
CAPI_CTX *ctx;
|
|
CAPI_KEY *key;
|
|
EVP_PKEY *ret;
|
|
ctx = ENGINE_get_ex_data(eng, capi_idx);
|
|
|
|
if (!ctx)
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_CANT_FIND_CAPI_CONTEXT);
|
|
return NULL;
|
|
}
|
|
|
|
key = capi_find_key(ctx, key_id);
|
|
|
|
if (!key)
|
|
return NULL;
|
|
|
|
ret = capi_get_pkey(eng, key);
|
|
|
|
if (!ret)
|
|
capi_free_key(key);
|
|
return ret;
|
|
|
|
}
|
|
|
|
/* CryptoAPI RSA operations */
|
|
|
|
int capi_rsa_priv_enc(int flen, const unsigned char *from,
|
|
unsigned char *to, RSA *rsa, int padding)
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_RSA_PRIV_ENC, CAPI_R_FUNCTION_NOT_SUPPORTED);
|
|
return -1;
|
|
}
|
|
|
|
int capi_rsa_sign(int dtype, const unsigned char *m, unsigned int m_len,
|
|
unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
|
|
{
|
|
ALG_ID alg;
|
|
HCRYPTHASH hash;
|
|
DWORD slen;
|
|
unsigned int i;
|
|
int ret = -1;
|
|
CAPI_KEY *capi_key;
|
|
CAPI_CTX *ctx;
|
|
|
|
ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
|
|
|
|
CAPI_trace(ctx, "Called CAPI_rsa_sign()\n");
|
|
|
|
capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
|
|
if (!capi_key)
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_GET_KEY);
|
|
return -1;
|
|
}
|
|
/* Convert the signature type to a CryptoAPI algorithm ID */
|
|
switch(dtype)
|
|
{
|
|
case NID_sha1:
|
|
alg = CALG_SHA1;
|
|
break;
|
|
|
|
case NID_md5:
|
|
alg = CALG_MD5;
|
|
break;
|
|
|
|
case NID_md5_sha1:
|
|
alg = CALG_SSL3_SHAMD5;
|
|
break;
|
|
default:
|
|
{
|
|
char algstr[10];
|
|
BIO_snprintf(algstr, 10, "%lx", dtype);
|
|
CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_UNSUPPORTED_ALGORITHM_NID);
|
|
ERR_add_error_data(2, "NID=0x", algstr);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/* Create the hash object */
|
|
if(!CryptCreateHash(capi_key->hprov, alg, 0, 0, &hash))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
|
|
capi_addlasterror();
|
|
return -1;
|
|
}
|
|
/* Set the hash value to the value passed */
|
|
|
|
if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)m, 0))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
|
|
capi_addlasterror();
|
|
goto err;
|
|
}
|
|
|
|
|
|
/* Finally sign it */
|
|
slen = RSA_size(rsa);
|
|
if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, sigret, &slen))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_RSA_SIGN, CAPI_R_ERROR_SIGNING_HASH);
|
|
capi_addlasterror();
|
|
goto err;
|
|
}
|
|
else
|
|
{
|
|
ret = 1;
|
|
/* Inplace byte reversal of signature */
|
|
for(i = 0; i < slen / 2; i++)
|
|
{
|
|
unsigned char c;
|
|
c = sigret[i];
|
|
sigret[i] = sigret[slen - i - 1];
|
|
sigret[slen - i - 1] = c;
|
|
}
|
|
*siglen = slen;
|
|
}
|
|
|
|
/* Now cleanup */
|
|
|
|
err:
|
|
CryptDestroyHash(hash);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int capi_rsa_priv_dec(int flen, const unsigned char *from,
|
|
unsigned char *to, RSA *rsa, int padding)
|
|
{
|
|
int i;
|
|
unsigned char *tmpbuf;
|
|
CAPI_KEY *capi_key;
|
|
CAPI_CTX *ctx;
|
|
ctx = ENGINE_get_ex_data(rsa->engine, capi_idx);
|
|
|
|
CAPI_trace(ctx, "Called capi_rsa_priv_dec()\n");
|
|
|
|
|
|
capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
|
|
if (!capi_key)
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_CANT_GET_KEY);
|
|
return -1;
|
|
}
|
|
|
|
if(padding != RSA_PKCS1_PADDING)
|
|
{
|
|
char errstr[10];
|
|
BIO_snprintf(errstr, 10, "%d", padding);
|
|
CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
|
|
ERR_add_error_data(2, "padding=", errstr);
|
|
return -1;
|
|
}
|
|
|
|
/* Create temp reverse order version of input */
|
|
if(!(tmpbuf = OPENSSL_malloc(flen)) )
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, ERR_R_MALLOC_FAILURE);
|
|
return -1;
|
|
}
|
|
for(i = 0; i < flen; i++)
|
|
tmpbuf[flen - i - 1] = from[i];
|
|
|
|
/* Finally decrypt it */
|
|
if(!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &flen))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
|
|
capi_addlasterror();
|
|
OPENSSL_free(tmpbuf);
|
|
return -1;
|
|
}
|
|
else memcpy(to, tmpbuf, flen);
|
|
|
|
OPENSSL_free(tmpbuf);
|
|
|
|
return flen;
|
|
}
|
|
|
|
static int capi_rsa_free(RSA *rsa)
|
|
{
|
|
CAPI_KEY *capi_key;
|
|
capi_key = RSA_get_ex_data(rsa, rsa_capi_idx);
|
|
capi_free_key(capi_key);
|
|
RSA_set_ex_data(rsa, rsa_capi_idx, 0);
|
|
return 1;
|
|
}
|
|
|
|
/* CryptoAPI DSA operations */
|
|
|
|
static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
|
|
DSA *dsa)
|
|
{
|
|
HCRYPTHASH hash;
|
|
DWORD slen;
|
|
DSA_SIG *ret = NULL;
|
|
CAPI_KEY *capi_key;
|
|
CAPI_CTX *ctx;
|
|
unsigned char csigbuf[40];
|
|
|
|
ctx = ENGINE_get_ex_data(dsa->engine, capi_idx);
|
|
|
|
CAPI_trace(ctx, "Called CAPI_dsa_do_sign()\n");
|
|
|
|
capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
|
|
|
|
if (!capi_key)
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_GET_KEY);
|
|
return NULL;
|
|
}
|
|
|
|
if (dlen != 20)
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_INVALID_DIGEST_LENGTH);
|
|
return NULL;
|
|
}
|
|
|
|
/* Create the hash object */
|
|
if(!CryptCreateHash(capi_key->hprov, CALG_SHA1, 0, 0, &hash))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_CREATE_HASH_OBJECT);
|
|
capi_addlasterror();
|
|
return NULL;
|
|
}
|
|
|
|
/* Set the hash value to the value passed */
|
|
if(!CryptSetHashParam(hash, HP_HASHVAL, (unsigned char *)digest, 0))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_CANT_SET_HASH_VALUE);
|
|
capi_addlasterror();
|
|
goto err;
|
|
}
|
|
|
|
|
|
/* Finally sign it */
|
|
slen = sizeof(csigbuf);
|
|
if(!CryptSignHashA(hash, capi_key->keyspec, NULL, 0, csigbuf, &slen))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_DSA_DO_SIGN, CAPI_R_ERROR_SIGNING_HASH);
|
|
capi_addlasterror();
|
|
goto err;
|
|
}
|
|
else
|
|
{
|
|
ret = DSA_SIG_new();
|
|
if (!ret)
|
|
goto err;
|
|
ret->r = BN_new();
|
|
ret->s = BN_new();
|
|
if (!ret->r || !ret->s)
|
|
goto err;
|
|
if (!lend_tobn(ret->r, csigbuf, 20)
|
|
|| !lend_tobn(ret->s, csigbuf + 20, 20))
|
|
{
|
|
DSA_SIG_free(ret);
|
|
ret = NULL;
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
/* Now cleanup */
|
|
|
|
err:
|
|
OPENSSL_cleanse(csigbuf, 40);
|
|
CryptDestroyHash(hash);
|
|
return ret;
|
|
}
|
|
|
|
static int capi_dsa_free(DSA *dsa)
|
|
{
|
|
CAPI_KEY *capi_key;
|
|
capi_key = DSA_get_ex_data(dsa, dsa_capi_idx);
|
|
capi_free_key(capi_key);
|
|
DSA_set_ex_data(dsa, dsa_capi_idx, 0);
|
|
return 1;
|
|
}
|
|
|
|
static void capi_vtrace(CAPI_CTX *ctx, int level, char *format, va_list argptr)
|
|
{
|
|
BIO *out;
|
|
|
|
if (!ctx || (ctx->debug_level < level) || (!ctx->debug_file))
|
|
return;
|
|
out = BIO_new_file(ctx->debug_file, "a+");
|
|
BIO_vprintf(out, format, argptr);
|
|
BIO_free(out);
|
|
}
|
|
|
|
static void CAPI_trace(CAPI_CTX *ctx, char *format, ...)
|
|
{
|
|
va_list args;
|
|
va_start(args, format);
|
|
capi_vtrace(ctx, CAPI_DBG_TRACE, format, args);
|
|
va_end(args);
|
|
}
|
|
|
|
static void capi_addlasterror(void)
|
|
{
|
|
capi_adderror(GetLastError());
|
|
}
|
|
|
|
static void capi_adderror(DWORD err)
|
|
{
|
|
char errstr[10];
|
|
BIO_snprintf(errstr, 10, "%lX", err);
|
|
ERR_add_error_data(2, "Error code= 0x", errstr);
|
|
}
|
|
|
|
static char *wide_to_asc(LPWSTR wstr)
|
|
{
|
|
char *str;
|
|
int len_0,sz;
|
|
|
|
if (!wstr)
|
|
return NULL;
|
|
len_0 = (int)wcslen(wstr)+1; /* WideCharToMultiByte expects int */
|
|
sz = WideCharToMultiByte(CP_ACP,0,wstr,len_0,NULL,0,NULL,NULL);
|
|
if (!sz)
|
|
{
|
|
CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
|
|
return NULL;
|
|
}
|
|
str = OPENSSL_malloc(sz);
|
|
if (!str)
|
|
{
|
|
CAPIerr(CAPI_F_WIDE_TO_ASC, ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
if (!WideCharToMultiByte(CP_ACP,0,wstr,len_0,str,sz,NULL,NULL))
|
|
{
|
|
OPENSSL_free(str);
|
|
CAPIerr(CAPI_F_WIDE_TO_ASC, CAPI_R_WIN32_ERROR);
|
|
return NULL;
|
|
}
|
|
return str;
|
|
}
|
|
|
|
static int capi_get_provname(CAPI_CTX *ctx, LPSTR *pname, DWORD *ptype, DWORD idx)
|
|
{
|
|
LPSTR name;
|
|
DWORD len, err;
|
|
CAPI_trace(ctx, "capi_get_provname, index=%d\n", idx);
|
|
if (!CryptEnumProvidersA(idx, NULL, 0, ptype, NULL, &len))
|
|
{
|
|
err = GetLastError();
|
|
if (err == ERROR_NO_MORE_ITEMS)
|
|
return 2;
|
|
CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
|
|
capi_adderror(err);
|
|
return 0;
|
|
}
|
|
name = OPENSSL_malloc(len);
|
|
if (!CryptEnumProvidersA(idx, NULL, 0, ptype, name, &len))
|
|
{
|
|
err = GetLastError();
|
|
if (err == ERROR_NO_MORE_ITEMS)
|
|
return 2;
|
|
CAPIerr(CAPI_F_CAPI_GET_PROVNAME, CAPI_R_CRYPTENUMPROVIDERS_ERROR);
|
|
capi_adderror(err);
|
|
return 0;
|
|
}
|
|
*pname = name;
|
|
CAPI_trace(ctx, "capi_get_provname, returned name=%s, type=%d\n", name, *ptype);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int capi_list_providers(CAPI_CTX *ctx, BIO *out)
|
|
{
|
|
DWORD idx, ptype;
|
|
int ret;
|
|
LPSTR provname = NULL;
|
|
CAPI_trace(ctx, "capi_list_providers\n");
|
|
BIO_printf(out, "Available CSPs:\n");
|
|
for(idx = 0; ; idx++)
|
|
{
|
|
ret = capi_get_provname(ctx, &provname, &ptype, idx);
|
|
if (ret == 2)
|
|
break;
|
|
if (ret == 0)
|
|
break;
|
|
BIO_printf(out, "%d. %s, type %d\n", idx, provname, ptype);
|
|
OPENSSL_free(provname);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static int capi_list_containers(CAPI_CTX *ctx, BIO *out)
|
|
{
|
|
int ret = 1;
|
|
HCRYPTPROV hprov;
|
|
DWORD err, idx, flags, buflen = 0, clen;
|
|
LPSTR cname;
|
|
CAPI_trace(ctx, "Listing containers CSP=%s, type = %d\n", ctx->cspname, ctx->csptype);
|
|
if (!CryptAcquireContextA(&hprov, NULL, ctx->cspname, ctx->csptype, CRYPT_VERIFYCONTEXT))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
|
|
capi_addlasterror();
|
|
return 0;
|
|
}
|
|
if (!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, NULL, &buflen, CRYPT_FIRST))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
|
|
capi_addlasterror();
|
|
return 0;
|
|
}
|
|
CAPI_trace(ctx, "Got max container len %d\n", buflen);
|
|
if (buflen == 0)
|
|
buflen = 1024;
|
|
cname = OPENSSL_malloc(buflen);
|
|
if (!cname)
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, ERR_R_MALLOC_FAILURE);
|
|
goto err;
|
|
}
|
|
|
|
for (idx = 0;;idx++)
|
|
{
|
|
clen = buflen;
|
|
cname[0] = 0;
|
|
|
|
if (idx == 0)
|
|
flags = CRYPT_FIRST;
|
|
else
|
|
flags = 0;
|
|
if(!CryptGetProvParam(hprov, PP_ENUMCONTAINERS, cname, &clen, flags))
|
|
{
|
|
err = GetLastError();
|
|
if (err == ERROR_NO_MORE_ITEMS)
|
|
goto done;
|
|
CAPIerr(CAPI_F_CAPI_LIST_CONTAINERS, CAPI_R_ENUMCONTAINERS_ERROR);
|
|
capi_adderror(err);
|
|
goto err;
|
|
}
|
|
CAPI_trace(ctx, "Container name %s, len=%d, index=%d, flags=%d\n", cname, clen, idx, flags);
|
|
if (!cname[0] && (clen == buflen))
|
|
{
|
|
CAPI_trace(ctx, "Enumerate bug: using workaround\n");
|
|
goto done;
|
|
}
|
|
BIO_printf(out, "%d. %s\n", idx, cname);
|
|
}
|
|
err:
|
|
|
|
ret = 0;
|
|
|
|
done:
|
|
if (cname)
|
|
OPENSSL_free(cname);
|
|
CryptReleaseContext(hprov, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
CRYPT_KEY_PROV_INFO *capi_get_prov_info(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
|
|
{
|
|
DWORD len;
|
|
CRYPT_KEY_PROV_INFO *pinfo;
|
|
|
|
if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, NULL, &len))
|
|
return NULL;
|
|
pinfo = OPENSSL_malloc(len);
|
|
if (!pinfo)
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
if(!CertGetCertificateContextProperty(cert, CERT_KEY_PROV_INFO_PROP_ID, pinfo, &len))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_GET_PROV_INFO, CAPI_R_ERROR_GETTING_KEY_PROVIDER_INFO);
|
|
capi_addlasterror();
|
|
OPENSSL_free(pinfo);
|
|
return NULL;
|
|
}
|
|
return pinfo;
|
|
}
|
|
|
|
static void capi_dump_prov_info(CAPI_CTX *ctx, BIO *out, CRYPT_KEY_PROV_INFO *pinfo)
|
|
{
|
|
char *provname = NULL, *contname = NULL;
|
|
if (!pinfo)
|
|
{
|
|
BIO_printf(out, " No Private Key\n");
|
|
return;
|
|
}
|
|
provname = wide_to_asc(pinfo->pwszProvName);
|
|
contname = wide_to_asc(pinfo->pwszContainerName);
|
|
if (!provname || !contname)
|
|
goto err;
|
|
|
|
BIO_printf(out, " Private Key Info:\n");
|
|
BIO_printf(out, " Provider Name: %s, Provider Type %d\n", provname, pinfo->dwProvType);
|
|
BIO_printf(out, " Container Name: %s, Key Type %d\n", contname, pinfo->dwKeySpec);
|
|
err:
|
|
if (provname)
|
|
OPENSSL_free(provname);
|
|
if (contname)
|
|
OPENSSL_free(contname);
|
|
}
|
|
|
|
char * capi_cert_get_fname(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
|
|
{
|
|
LPWSTR wfname;
|
|
DWORD dlen;
|
|
|
|
CAPI_trace(ctx, "capi_cert_get_fname\n");
|
|
if (!CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, NULL, &dlen))
|
|
return NULL;
|
|
wfname = OPENSSL_malloc(dlen);
|
|
if (CertGetCertificateContextProperty(cert, CERT_FRIENDLY_NAME_PROP_ID, wfname, &dlen))
|
|
{
|
|
char *fname = wide_to_asc(wfname);
|
|
OPENSSL_free(wfname);
|
|
return fname;
|
|
}
|
|
CAPIerr(CAPI_F_CAPI_CERT_GET_FNAME, CAPI_R_ERROR_GETTING_FRIENDLY_NAME);
|
|
capi_addlasterror();
|
|
|
|
OPENSSL_free(wfname);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
void capi_dump_cert(CAPI_CTX *ctx, BIO *out, PCCERT_CONTEXT cert)
|
|
{
|
|
X509 *x;
|
|
unsigned char *p;
|
|
unsigned long flags = ctx->dump_flags;
|
|
if (flags & CAPI_DMP_FNAME)
|
|
{
|
|
char *fname;
|
|
fname = capi_cert_get_fname(ctx, cert);
|
|
if (fname)
|
|
{
|
|
BIO_printf(out, " Friendly Name \"%s\"\n", fname);
|
|
OPENSSL_free(fname);
|
|
}
|
|
else
|
|
BIO_printf(out, " <No Friendly Name>\n");
|
|
}
|
|
|
|
p = cert->pbCertEncoded;
|
|
x = d2i_X509(NULL, &p, cert->cbCertEncoded);
|
|
if (!x)
|
|
BIO_printf(out, " <Can't parse certificate>\n");
|
|
if (flags & CAPI_DMP_SUMMARY)
|
|
{
|
|
BIO_printf(out, " Subject: ");
|
|
X509_NAME_print_ex(out, X509_get_subject_name(x), 0, XN_FLAG_ONELINE);
|
|
BIO_printf(out, "\n Issuer: ");
|
|
X509_NAME_print_ex(out, X509_get_issuer_name(x), 0, XN_FLAG_ONELINE);
|
|
BIO_printf(out, "\n");
|
|
}
|
|
if (flags & CAPI_DMP_FULL)
|
|
X509_print_ex(out, x, XN_FLAG_ONELINE,0);
|
|
|
|
if (flags & CAPI_DMP_PKEYINFO)
|
|
{
|
|
CRYPT_KEY_PROV_INFO *pinfo;
|
|
pinfo = capi_get_prov_info(ctx, cert);
|
|
capi_dump_prov_info(ctx, out, pinfo);
|
|
if (pinfo)
|
|
OPENSSL_free(pinfo);
|
|
}
|
|
|
|
if (flags & CAPI_DMP_PEM)
|
|
PEM_write_bio_X509(out, x);
|
|
X509_free(x);
|
|
}
|
|
|
|
HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
|
|
{
|
|
HCERTSTORE hstore;
|
|
|
|
if (!storename)
|
|
storename = ctx->storename;
|
|
if (!storename)
|
|
storename = "MY";
|
|
CAPI_trace(ctx, "Opening certificate store %s\n", storename);
|
|
|
|
hstore = CertOpenStore(CERT_STORE_PROV_SYSTEM_A, 0, 0,
|
|
ctx->store_flags, storename);
|
|
if (!hstore)
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_OPEN_STORE, CAPI_R_ERROR_OPENING_STORE);
|
|
capi_addlasterror();
|
|
}
|
|
return hstore;
|
|
}
|
|
|
|
int capi_list_certs(CAPI_CTX *ctx, BIO *out, char *id)
|
|
{
|
|
char *storename;
|
|
int idx;
|
|
int ret = 1;
|
|
HCERTSTORE hstore;
|
|
PCCERT_CONTEXT cert = NULL;
|
|
|
|
storename = ctx->storename;
|
|
if (!storename)
|
|
storename = "MY";
|
|
CAPI_trace(ctx, "Listing certs for store %s\n", storename);
|
|
|
|
hstore = capi_open_store(ctx, storename);
|
|
if (!hstore)
|
|
return 0;
|
|
if (id)
|
|
{
|
|
cert = capi_find_cert(ctx, id, hstore);
|
|
if (!cert)
|
|
{
|
|
ret = 0;
|
|
goto err;
|
|
}
|
|
capi_dump_cert(ctx, out, cert);
|
|
CertFreeCertificateContext(cert);
|
|
}
|
|
else
|
|
{
|
|
for(idx = 0;;idx++)
|
|
{
|
|
LPWSTR fname = NULL;
|
|
cert = CertEnumCertificatesInStore(hstore, cert);
|
|
if (!cert)
|
|
break;
|
|
BIO_printf(out, "Certificate %d\n", idx);
|
|
capi_dump_cert(ctx, out, cert);
|
|
}
|
|
}
|
|
err:
|
|
CertCloseStore(hstore, 0);
|
|
return ret;
|
|
}
|
|
|
|
static PCCERT_CONTEXT capi_find_cert(CAPI_CTX *ctx, const char *id, HCERTSTORE hstore)
|
|
{
|
|
PCCERT_CONTEXT cert = NULL;
|
|
char *fname = NULL;
|
|
int match;
|
|
switch(ctx->lookup_method)
|
|
{
|
|
case CAPI_LU_SUBSTR:
|
|
return CertFindCertificateInStore(hstore,
|
|
X509_ASN_ENCODING, 0,
|
|
CERT_FIND_SUBJECT_STR_A, id, NULL);
|
|
case CAPI_LU_FNAME:
|
|
for(;;)
|
|
{
|
|
cert = CertEnumCertificatesInStore(hstore, cert);
|
|
if (!cert)
|
|
return NULL;
|
|
fname = capi_cert_get_fname(ctx, cert);
|
|
if (fname)
|
|
{
|
|
if (strcmp(fname, id))
|
|
match = 0;
|
|
else
|
|
match = 1;
|
|
OPENSSL_free(fname);
|
|
if (match)
|
|
return cert;
|
|
}
|
|
}
|
|
default:
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provname, DWORD ptype, DWORD keyspec)
|
|
{
|
|
CAPI_KEY *key;
|
|
key = OPENSSL_malloc(sizeof(CAPI_KEY));
|
|
CAPI_trace(ctx, "capi_get_key, contname=%s, provname=%s, type=%d\n",
|
|
contname, provname, ptype);
|
|
if (!CryptAcquireContextA(&key->hprov, contname, provname, ptype, 0))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
|
|
capi_addlasterror();
|
|
goto err;
|
|
}
|
|
if (!CryptGetUserKey(key->hprov, keyspec, &key->key))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_GET_KEY, CAPI_R_GETUSERKEY_ERROR);
|
|
capi_addlasterror();
|
|
CryptReleaseContext(key->hprov, 0);
|
|
goto err;
|
|
}
|
|
key->keyspec = keyspec;
|
|
key->pcert = NULL;
|
|
return key;
|
|
|
|
err:
|
|
OPENSSL_free(key);
|
|
return NULL;
|
|
}
|
|
|
|
static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
|
|
{
|
|
CAPI_KEY *key = NULL;
|
|
CRYPT_KEY_PROV_INFO *pinfo = NULL;
|
|
char *provname = NULL, *contname = NULL;
|
|
pinfo = capi_get_prov_info(ctx, cert);
|
|
if (!pinfo)
|
|
goto err;
|
|
provname = wide_to_asc(pinfo->pwszProvName);
|
|
contname = wide_to_asc(pinfo->pwszContainerName);
|
|
if (!provname || !contname)
|
|
goto err;
|
|
key = capi_get_key(ctx, contname, provname,
|
|
pinfo->dwProvType, pinfo->dwKeySpec);
|
|
|
|
err:
|
|
if (pinfo)
|
|
OPENSSL_free(pinfo);
|
|
if (provname)
|
|
OPENSSL_free(provname);
|
|
if (contname)
|
|
OPENSSL_free(contname);
|
|
return key;
|
|
}
|
|
|
|
CAPI_KEY *capi_find_key(CAPI_CTX *ctx, const char *id)
|
|
{
|
|
PCCERT_CONTEXT cert;
|
|
HCERTSTORE hstore;
|
|
CAPI_KEY *key = NULL;
|
|
switch (ctx->lookup_method)
|
|
{
|
|
case CAPI_LU_SUBSTR:
|
|
case CAPI_LU_FNAME:
|
|
hstore = capi_open_store(ctx, NULL);
|
|
if (!hstore)
|
|
return NULL;
|
|
cert = capi_find_cert(ctx, id, hstore);
|
|
if (cert)
|
|
{
|
|
key = capi_get_cert_key(ctx, cert);
|
|
CertFreeCertificateContext(cert);
|
|
}
|
|
CertCloseStore(hstore, 0);
|
|
break;
|
|
|
|
case CAPI_LU_CONTNAME:
|
|
key = capi_get_key(ctx, id, ctx->cspname, ctx->csptype,
|
|
ctx->keytype);
|
|
break;
|
|
}
|
|
|
|
return key;
|
|
}
|
|
|
|
void capi_free_key(CAPI_KEY *key)
|
|
{
|
|
if (!key)
|
|
return;
|
|
CryptDestroyKey(key->key);
|
|
CryptReleaseContext(key->hprov, 0);
|
|
if (key->pcert)
|
|
CertFreeCertificateContext(key->pcert);
|
|
OPENSSL_free(key);
|
|
}
|
|
|
|
|
|
/* Initialize a CAPI_CTX structure */
|
|
|
|
static CAPI_CTX *capi_ctx_new()
|
|
{
|
|
CAPI_CTX *ctx;
|
|
ctx = OPENSSL_malloc(sizeof(CAPI_CTX));
|
|
if (!ctx)
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_CTX_NEW, ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
ctx->cspname = NULL;
|
|
ctx->csptype = PROV_RSA_FULL;
|
|
ctx->dump_flags = CAPI_DMP_SUMMARY|CAPI_DMP_FNAME;
|
|
ctx->keytype = AT_KEYEXCHANGE;
|
|
ctx->storename = NULL;
|
|
ctx->ssl_client_store = NULL;
|
|
ctx->store_flags = CERT_STORE_OPEN_EXISTING_FLAG |
|
|
CERT_STORE_READONLY_FLAG |
|
|
CERT_SYSTEM_STORE_CURRENT_USER;
|
|
ctx->lookup_method = CAPI_LU_SUBSTR;
|
|
ctx->debug_level = 0;
|
|
ctx->debug_file = NULL;
|
|
ctx->client_cert_select = cert_select_simple;
|
|
return ctx;
|
|
}
|
|
|
|
static void capi_ctx_free(CAPI_CTX *ctx)
|
|
{
|
|
CAPI_trace(ctx, "Calling capi_ctx_free with %lx\n", ctx);
|
|
if (!ctx)
|
|
return;
|
|
if (ctx->cspname)
|
|
OPENSSL_free(ctx->cspname);
|
|
if (ctx->debug_file)
|
|
OPENSSL_free(ctx->debug_file);
|
|
if (ctx->storename)
|
|
OPENSSL_free(ctx->storename);
|
|
if (ctx->ssl_client_store)
|
|
OPENSSL_free(ctx->ssl_client_store);
|
|
OPENSSL_free(ctx);
|
|
}
|
|
|
|
static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check)
|
|
{
|
|
CAPI_trace(ctx, "capi_ctx_set_provname, name=%s, type=%d\n", pname, type);
|
|
if (check)
|
|
{
|
|
HCRYPTPROV hprov;
|
|
if (!CryptAcquireContextA(&hprov, NULL, pname, type,
|
|
CRYPT_VERIFYCONTEXT))
|
|
{
|
|
CAPIerr(CAPI_F_CAPI_CTX_SET_PROVNAME, CAPI_R_CRYPTACQUIRECONTEXT_ERROR);
|
|
capi_addlasterror();
|
|
return 0;
|
|
}
|
|
CryptReleaseContext(hprov, 0);
|
|
}
|
|
ctx->cspname = BUF_strdup(pname);
|
|
ctx->csptype = type;
|
|
return 1;
|
|
}
|
|
|
|
static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx)
|
|
{
|
|
LPSTR pname;
|
|
DWORD type;
|
|
if (capi_get_provname(ctx, &pname, &type, idx) != 1)
|
|
return 0;
|
|
return capi_ctx_set_provname(ctx, pname, type, 0);
|
|
}
|
|
|
|
static int cert_issuer_match(STACK_OF(X509_NAME) *ca_dn, X509 *x)
|
|
{
|
|
int i;
|
|
X509_NAME *nm;
|
|
/* Special case: empty list: match anything */
|
|
if (sk_X509_NAME_num(ca_dn) <= 0)
|
|
return 1;
|
|
for (i = 0; i < sk_X509_NAME_num(ca_dn); i++)
|
|
{
|
|
nm = sk_X509_NAME_value(ca_dn, i);
|
|
if (!X509_NAME_cmp(nm, X509_get_issuer_name(x)))
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
|
|
STACK_OF(X509_NAME) *ca_dn, X509 **pcert, EVP_PKEY **pkey,
|
|
STACK_OF(X509) **pother, UI_METHOD *ui_method, void *callback_data)
|
|
{
|
|
STACK_OF(X509) *certs = NULL;
|
|
X509 *x;
|
|
char *storename;
|
|
const char *p;
|
|
int i, client_cert_idx;
|
|
HCERTSTORE hstore;
|
|
PCCERT_CONTEXT cert = NULL, excert = NULL;
|
|
CAPI_CTX *ctx;
|
|
CAPI_KEY *key;
|
|
ctx = ENGINE_get_ex_data(e, capi_idx);
|
|
|
|
*pcert = NULL;
|
|
*pkey = NULL;
|
|
|
|
storename = ctx->ssl_client_store;
|
|
if (!storename)
|
|
storename = "MY";
|
|
|
|
hstore = capi_open_store(ctx, storename);
|
|
if (!hstore)
|
|
return 0;
|
|
/* Enumerate all certificates collect any matches */
|
|
for(i = 0;;i++)
|
|
{
|
|
cert = CertEnumCertificatesInStore(hstore, cert);
|
|
if (!cert)
|
|
break;
|
|
p = cert->pbCertEncoded;
|
|
x = d2i_X509(NULL, &p, cert->cbCertEncoded);
|
|
if (!x)
|
|
{
|
|
CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
|
|
continue;
|
|
}
|
|
if (cert_issuer_match(ca_dn, x)
|
|
&& X509_check_purpose(x, X509_PURPOSE_SSL_CLIENT, 0))
|
|
{
|
|
key = capi_get_cert_key(ctx, cert);
|
|
if (!key)
|
|
{
|
|
X509_free(x);
|
|
continue;
|
|
}
|
|
/* Match found: attach extra data to it so
|
|
* we can retrieve the key later.
|
|
*/
|
|
excert = CertDuplicateCertificateContext(cert);
|
|
key->pcert = excert;
|
|
X509_set_ex_data(x, cert_capi_idx, key);
|
|
|
|
if (!certs)
|
|
certs = sk_X509_new_null();
|
|
|
|
sk_X509_push(certs, x);
|
|
}
|
|
else
|
|
X509_free(x);
|
|
|
|
}
|
|
|
|
if (cert)
|
|
CertFreeCertificateContext(cert);
|
|
if (hstore)
|
|
CertCloseStore(hstore, 0);
|
|
|
|
if (!certs)
|
|
return 0;
|
|
|
|
|
|
/* Select the appropriate certificate */
|
|
|
|
client_cert_idx = ctx->client_cert_select(e, ssl, certs);
|
|
|
|
/* Set the selected certificate and free the rest */
|
|
|
|
for(i = 0; i < sk_X509_num(certs); i++)
|
|
{
|
|
x = sk_X509_value(certs, i);
|
|
if (i == client_cert_idx)
|
|
*pcert = x;
|
|
else
|
|
{
|
|
key = X509_get_ex_data(x, cert_capi_idx);
|
|
capi_free_key(key);
|
|
X509_free(x);
|
|
}
|
|
}
|
|
|
|
sk_X509_free(certs);
|
|
|
|
if (!*pcert)
|
|
return 0;
|
|
|
|
/* Setup key for selected certificate */
|
|
|
|
key = X509_get_ex_data(*pcert, cert_capi_idx);
|
|
*pkey = capi_get_pkey(e, key);
|
|
X509_set_ex_data(*pcert, cert_capi_idx, NULL);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
/* Simple client cert selection function: always select first */
|
|
|
|
static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#ifdef OPENSSL_CAPIENG_DIALOG
|
|
|
|
/* More complex cert selection function, using standard function
|
|
* CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
|
|
*/
|
|
|
|
/* Definitions which are in cryptuiapi.h but this is not present in older
|
|
* versions of headers.
|
|
*/
|
|
|
|
#ifndef CRYPTUI_SELECT_LOCATION_COLUMN
|
|
#define CRYPTUI_SELECT_LOCATION_COLUMN 0x000000010
|
|
#define CRYPTUI_SELECT_INTENDEDUSE_COLUMN 0x000000004
|
|
#endif
|
|
|
|
#define dlg_title L"OpenSSL Application SSL Client Certificate Selection"
|
|
#define dlg_prompt L"Select a certificate to use for authentication"
|
|
#define dlg_columns CRYPTUI_SELECT_LOCATION_COLUMN \
|
|
|CRYPTUI_SELECT_INTENDEDUSE_COLUMN
|
|
|
|
static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
|
|
{
|
|
X509 *x;
|
|
HCERTSTORE dstore;
|
|
PCCERT_CONTEXT cert;
|
|
CAPI_CTX *ctx;
|
|
CAPI_KEY *key;
|
|
HWND hwnd;
|
|
int i, idx = -1;
|
|
if (sk_X509_num(certs) == 1)
|
|
return 0;
|
|
ctx = ENGINE_get_ex_data(e, capi_idx);
|
|
/* Create an in memory store of certificates */
|
|
dstore = CertOpenStore(CERT_STORE_PROV_MEMORY, 0, 0,
|
|
CERT_STORE_CREATE_NEW_FLAG, NULL);
|
|
if (!dstore)
|
|
{
|
|
CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
|
|
capi_addlasterror();
|
|
goto err;
|
|
}
|
|
/* Add all certificates to store */
|
|
for(i = 0; i < sk_X509_num(certs); i++)
|
|
{
|
|
x = sk_X509_value(certs, i);
|
|
key = X509_get_ex_data(x, cert_capi_idx);
|
|
|
|
if (!CertAddCertificateContextToStore(dstore, key->pcert,
|
|
CERT_STORE_ADD_NEW, NULL))
|
|
{
|
|
CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
|
|
capi_addlasterror();
|
|
goto err;
|
|
}
|
|
|
|
}
|
|
hwnd = GetForegroundWindow();
|
|
if (!hwnd)
|
|
hwnd = GetActiveWindow();
|
|
if (!hwnd && ctx->getconswindow)
|
|
hwnd = ctx->getconswindow();
|
|
/* Call dialog to select one */
|
|
cert = ctx->certselectdlg(dstore, hwnd, dlg_title, dlg_prompt,
|
|
dlg_columns, 0, NULL);
|
|
|
|
/* Find matching cert from list */
|
|
if (cert)
|
|
{
|
|
for(i = 0; i < sk_X509_num(certs); i++)
|
|
{
|
|
x = sk_X509_value(certs, i);
|
|
key = X509_get_ex_data(x, cert_capi_idx);
|
|
if (CertCompareCertificate(
|
|
X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
|
|
cert->pCertInfo,
|
|
key->pcert->pCertInfo))
|
|
{
|
|
idx = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
err:
|
|
if (dstore)
|
|
CertCloseStore(dstore, 0);
|
|
return idx;
|
|
|
|
}
|
|
#endif
|
|
|
|
#else /* !__COMPILE_CAPIENG */
|
|
#include <openssl/engine.h>
|
|
#ifndef OPENSSL_NO_DYNAMIC_ENGINE
|
|
OPENSSL_EXPORT
|
|
int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns);
|
|
OPENSSL_EXPORT
|
|
int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { return 0; }
|
|
IMPLEMENT_DYNAMIC_CHECK_FN()
|
|
#else
|
|
void ENGINE_load_capi(void){}
|
|
#endif
|
|
#endif
|