#include <string.h>
#include <openssl/crypto.h>
#include <openssl/buffer.h>
-#include <openssl/engine.h>
#include <openssl/rsa.h>
#include <openssl/bn.h>
-#include <openssl/pem.h>
#ifdef OPENSSL_SYS_WIN32
#ifndef OPENSSL_NO_CAPIENG
+
+#include <windows.h>
+
#ifndef _WIN32_WINNT
-#define _WIN32_WINNT 0x400
+#define _WIN32_WINNT 0x0400
#endif
-#include <windows.h>
#include <wincrypt.h>
+#undef X509_EXTENSIONS
+#undef X509_CERT_PAIR
+
+/* Definitions which may be missing from earlier version of headers */
+#ifndef CERT_STORE_OPEN_EXISTING_FLAG
+#define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
+#endif
+
+#ifndef CERT_STORE_CREATE_NEW_FLAG
+#define CERT_STORE_CREATE_NEW_FLAG 0x00002000
+#endif
+
+#include <openssl/engine.h>
+#include <openssl/pem.h>
+#include <openssl/x509v3.h>
+
#include "e_capi_err.h"
#include "e_capi_err.c"
static DSA_SIG *capi_dsa_do_sign(const unsigned char *digest, int dlen,
DSA *dsa);
static int capi_dsa_free(DSA *dsa);
-
+
+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);
+
+static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
+#ifdef OPENSSL_CAPIENG_DIALOG
+static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
+#endif
+
+typedef PCCERT_CONTEXT (WINAPI *CERTDLG)(HCERTSTORE, HWND, LPCWSTR,
+ LPCWSTR, DWORD, DWORD,
+ void *);
+typedef HWND (WINAPI *GETCONSWIN)(void);
+
/* This structure contains CAPI ENGINE specific data:
* it contains various global options and affects how
* other functions behave.
DWORD csptype;
/* Certificate store name to use */
LPTSTR storename;
+ LPTSTR ssl_client_store;
+ /* System store flags */
+ DWORD store_flags;
/* Lookup string meanings in load_private_key */
/* Substring of subject: uses "storename" */
#define CAPI_DMP_PKEYINFO 0x20
DWORD dump_flags;
+ int (*client_cert_select)(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs);
+
+ CERTDLG certselectdlg;
+ GETCONSWIN getconswindow;
};
static int capi_ctx_set_provname(CAPI_CTX *ctx, LPSTR pname, DWORD type, int check);
static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
-#define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
+#define CAPI_CMD_LIST_CERTS ENGINE_CMD_BASE
#define CAPI_CMD_LOOKUP_CERT (ENGINE_CMD_BASE + 1)
#define CAPI_CMD_DEBUG_LEVEL (ENGINE_CMD_BASE + 2)
-#define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
-#define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
-#define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
+#define CAPI_CMD_DEBUG_FILE (ENGINE_CMD_BASE + 3)
+#define CAPI_CMD_KEYTYPE (ENGINE_CMD_BASE + 4)
+#define CAPI_CMD_LIST_CSPS (ENGINE_CMD_BASE + 5)
#define CAPI_CMD_SET_CSP_IDX (ENGINE_CMD_BASE + 6)
#define CAPI_CMD_SET_CSP_NAME (ENGINE_CMD_BASE + 7)
#define CAPI_CMD_SET_CSP_TYPE (ENGINE_CMD_BASE + 8)
#define CAPI_CMD_LIST_OPTIONS (ENGINE_CMD_BASE + 10)
#define CAPI_CMD_LOOKUP_METHOD (ENGINE_CMD_BASE + 11)
#define CAPI_CMD_STORE_NAME (ENGINE_CMD_BASE + 12)
+#define CAPI_CMD_STORE_FLAGS (ENGINE_CMD_BASE + 13)
static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
{CAPI_CMD_LIST_CERTS,
"store_name",
"certificate store name, default \"MY\"",
ENGINE_CMD_FLAG_STRING},
+ {CAPI_CMD_STORE_FLAGS,
+ "store_flags",
+ "Certificate store flags: 1 = system store",
+ ENGINE_CMD_FLAG_NUMERIC},
{0, NULL, NULL, 0}
};
static int capi_idx = -1;
static int rsa_capi_idx = -1;
static int dsa_capi_idx = -1;
+static int cert_capi_idx = -1;
static int capi_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
{
CAPI_trace(ctx, "Setting store name to %s\n", p);
break;
+ case CAPI_CMD_STORE_FLAGS:
+ if (i & 1)
+ {
+ ctx->store_flags |= CERT_SYSTEM_STORE_LOCAL_MACHINE;
+ ctx->store_flags &= ~CERT_SYSTEM_STORE_CURRENT_USER;
+ }
+ else
+ {
+ ctx->store_flags |= CERT_SYSTEM_STORE_CURRENT_USER;
+ ctx->store_flags &= ~CERT_SYSTEM_STORE_LOCAL_MACHINE;
+ }
+ CAPI_trace(ctx, "Setting flags to %d\n", i);
+ break;
+
case CAPI_CMD_DEBUG_LEVEL:
ctx->debug_level = (int)i;
CAPI_trace(ctx, "Setting debug level to %d\n", ctx->debug_level);
const RSA_METHOD *ossl_rsa_meth;
const DSA_METHOD *ossl_dsa_meth;
capi_idx = ENGINE_get_ex_new_index(0, NULL, NULL, NULL, 0);
+ cert_capi_idx = X509_get_ex_new_index(0, NULL, NULL, NULL, 0);
ctx = capi_ctx_new();
if (!ctx || (capi_idx < 0))
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 = LoadLibrary(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:
struct CAPI_KEY_st
{
+ /* Associated certificate context (if any) */
+ PCCERT_CONTEXT pcert;
HCRYPTPROV hprov;
HCRYPTKEY key;
DWORD keyspec;
|| !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;
return 1;
}
-static EVP_PKEY *capi_load_privkey(ENGINE *eng, const char *key_id,
- UI_METHOD *ui_method, void *callback_data)
+/* Given a CAPI_KEY get an EVP_PKEY structure */
+
+static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_KEY *key)
{
- EVP_PKEY *ret = NULL;
- CAPI_CTX *ctx;
- CAPI_KEY *key;
unsigned char *pubkey = NULL;
DWORD len;
BLOBHEADER *bh;
RSA *rkey = NULL;
DSA *dkey = NULL;
- 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;
-
- len = 0;
+ EVP_PKEY *ret = NULL;
if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, NULL, &len))
{
- CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
+ CAPIerr(CAPI_F_CAPI_GET_PKEY, CAPI_R_PUBKEY_EXPORT_LENGTH_ERROR);
capi_addlasterror();
return NULL;
}
if (!CryptExportKey(key->key, 0, PUBLICKEYBLOB, 0, pubkey, &len))
{
- CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_PUBKEY_EXPORT_ERROR);
+ 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_LOAD_PRIVKEY, CAPI_R_INVALID_PUBLIC_KEY_BLOB);
+ 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)
{
char magstr[10];
BIO_snprintf(magstr, 10, "%lx", rp->magic);
- CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_RSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
+ 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;
}
{
char magstr[10];
BIO_snprintf(magstr, 10, "%lx", dp->magic);
- CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_INVALID_DSA_PUBLIC_KEY_BLOB_MAGIC_NUMBER);
+ 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;
}
{
char algstr[10];
BIO_snprintf(algstr, 10, "%lx", bh->aiKeyAlg);
- CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, CAPI_R_UNSUPPORTED_PUBLIC_KEY_ALGORITHM);
+ 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);
RSA_free(rkey);
if (dkey)
DSA_free(dkey);
- if (key)
- capi_free_key(key);
}
return ret;
memerr:
- CAPIerr(CAPI_F_CAPI_LOAD_PRIVKEY, ERR_R_MALLOC_FAILURE);
+ 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,
*siglen = slen;
}
-
/* Now cleanup */
err:
storename = "MY";
CAPI_trace(ctx, "Opening certificate store %s\n", storename);
- hstore = CertOpenSystemStore(0, 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);
goto err;
}
key->keyspec = keyspec;
+ key->pcert = NULL;
return key;
err:
static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT cert)
{
- CAPI_KEY *key;
+ CAPI_KEY *key = NULL;
CRYPT_KEY_PROV_INFO *pinfo = NULL;
char *provname = NULL, *contname = NULL;
pinfo = capi_get_prov_info(ctx, cert);
provname = wide_to_asc(pinfo->pwszProvName);
contname = wide_to_asc(pinfo->pwszContainerName);
if (!provname || !contname)
- return 0;
-
+ goto err;
key = capi_get_key(ctx, contname, provname,
pinfo->dwProvType, pinfo->dwKeySpec);
return;
CryptDestroyKey(key->key);
CryptReleaseContext(key->hprov, 0);
+ if (key->pcert)
+ CertFreeCertificateContext(key->pcert);
OPENSSL_free(key);
}
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;
}
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);
}
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
+
+#endif
+#else /* !WIN32 */
+#include <openssl/engine.h>
+#ifndef OPENSSL_NO_DYNAMIC_ENGINE
+OPENSSL_EXPORT
+int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { return 0; }
+IMPLEMENT_DYNAMIC_CHECK_FN()
#endif
#endif
projects / openssl.git / blobdiff