Aftermath of a clashing size_t fix (now only format changes).
[openssl.git] / engines / e_capi.c
index 95c6aecbb12a7a755a2d4bfdf04b5bda3a395eb9..e98946c85a0a288c8ac925db665785f980bc32fe 100644 (file)
 #ifdef OPENSSL_SYS_WIN32
 #ifndef OPENSSL_NO_CAPIENG
 
+
 #include <windows.h>
+
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT 0x0400
+#endif
+
 #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"
@@ -141,6 +157,8 @@ struct CAPI_CTX_st {
        /* 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" */
@@ -190,6 +208,7 @@ static int capi_ctx_set_provname_idx(CAPI_CTX *ctx, int idx);
 #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,
@@ -245,6 +264,10 @@ static const ENGINE_CMD_DEFN capi_cmd_defns[] = {
                "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}
        };
@@ -291,6 +314,20 @@ 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);
@@ -410,8 +447,7 @@ static int capi_init(ENGINE *e)
                ctx->certselectdlg = (CERTDLG)GetProcAddress(cryptui, "CryptUIDlgSelectCertificateFromStore");
        if (kernel)
                ctx->getconswindow = (GETCONSWIN)GetProcAddress(kernel, "GetConsoleWindow");
-       if (cryptui)
-//     if (cryptui && !OPENSSL_isservice())
+       if (cryptui && !OPENSSL_isservice())
                ctx->client_cert_select = cert_select_dialog;
        }
 #endif
@@ -680,7 +716,7 @@ static EVP_PKEY *capi_get_pkey(ENGINE *eng, CAPI_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;
 
        }
@@ -1255,7 +1291,8 @@ HCERTSTORE capi_open_store(CAPI_CTX *ctx, char *storename)
                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);
@@ -1372,7 +1409,7 @@ static CAPI_KEY *capi_get_key(CAPI_CTX *ctx, const char *contname, char *provnam
 
 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);
@@ -1381,8 +1418,7 @@ static CAPI_KEY *capi_get_cert_key(CAPI_CTX *ctx, PCCERT_CONTEXT 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);
 
@@ -1455,6 +1491,9 @@ static CAPI_CTX *capi_ctx_new()
        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;
@@ -1563,11 +1602,15 @@ static int capi_load_ssl_client_cert(ENGINE *e, SSL *ssl,
                        CAPI_trace(ctx, "Can't Parse Certificate %d\n", i);
                        continue;
                        }
-               if (cert_issuer_match(ca_dn, x))
+               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.
                         */
@@ -1642,8 +1685,14 @@ static int cert_select_simple(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
  * CryptUIDlgSelectCertificateFromStore() to produce a dialog box.
  */
 
-#include <PrSht.h>
-#include <cryptuiapi.h>
+/* 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"
@@ -1667,7 +1716,7 @@ static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
                                        CERT_STORE_CREATE_NEW_FLAG, NULL);
        if (!dstore)
                {
-               CAPIerr(CAPI_F_CLIENT_CERT_SELECT, CAPI_R_ERROR_CREATING_STORE);
+               CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_CREATING_STORE);
                capi_addlasterror();
                goto err;
                }
@@ -1680,13 +1729,15 @@ static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
                if (!CertAddCertificateContextToStore(dstore, key->pcert,
                                                CERT_STORE_ADD_NEW, NULL))
                        {
-                       CAPIerr(CAPI_F_CLIENT_CERT_SELECT, CAPI_R_ERROR_ADDING_CERT);
+                       CAPIerr(CAPI_F_CERT_SELECT_DIALOG, CAPI_R_ERROR_ADDING_CERT);
                        capi_addlasterror();
                        goto err;
                        }
 
                }
-       hwnd = GetActiveWindow();
+       hwnd = GetForegroundWindow();
+       if (!hwnd)
+               hwnd = GetActiveWindow();
        if (!hwnd && ctx->getconswindow)
                hwnd = ctx->getconswindow();
        /* Call dialog to select one */
@@ -1719,5 +1770,12 @@ static int cert_select_dialog(ENGINE *e, SSL *ssl, STACK_OF(X509) *certs)
        }
 #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