1 files changed, 88 insertions, 0 deletions
diff --git a/gpgme/engine-backend.h b/gpgme/engine-backend.h
new file mode 100644
index 00000000..70c2c03e
--- /dev/null
+++ b/gpgme/engine-backend.h
@@ -0,0 +1,88 @@
+/* engine-backend.h -  A crypto backend for the engine interface.
+   Copyright (C) 2002 g10 Code GmbH
+ 
+   This file is part of GPGME.
+ 
+   GPGME is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+ 
+   GPGME is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+ 
+   You should have received a copy of the GNU General Public License
+   along with GPGME; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#ifndef ENGINE_BACKEND_H
+#define ENGINE_BACKEND_H
+
+#include "types.h"
+
+
+/* FIXME: Correct check?  */
+#ifdef GPGSM_PATH
+#define ENABLE_GPGSM 1
+#endif
+
+
+struct engine_ops
+{
+  /* Static functions.  */
+  const char *(*get_path) (void);
+  const char *(*get_version) (void);
+  GpgmeError (*check_version) (void);
+  GpgmeError (*new) (void **r_engine);
+
+  /* Member functions.  */
+  void (*release) (void *engine);
+  void (*set_status_handler) (void *engine, GpgmeStatusHandler fnc,
+			      void *fnc_value);
+  GpgmeError (*set_command_handler) (void *engine, GpgmeCommandHandler fnc,
+				     void *fnc_value, GpgmeData data);
+  GpgmeError (*set_colon_line_handler) (void *engine,
+					GpgmeColonLineHandler fnc,
+					void *fnc_value);
+  GpgmeError (*set_verbosity) (void *engine, int verbosity);
+  GpgmeError (*decrypt) (void *engine, GpgmeData ciph, GpgmeData plain);
+  GpgmeError (*delete) (void *engine, GpgmeKey key, int allow_secret);
+  GpgmeError (*edit) (void *engine, GpgmeKey key, GpgmeData out,
+			 GpgmeCtx ctx /* FIXME */);
+  GpgmeError (*encrypt) (void *engine, GpgmeRecipients recp,
+			    GpgmeData plain, GpgmeData ciph, int use_armor);
+  GpgmeError (*encrypt_sign) (void *engine, GpgmeRecipients recp,
+				  GpgmeData plain, GpgmeData ciph,
+				  int use_armor, GpgmeCtx ctx /* FIXME */);
+  GpgmeError (*export) (void *engine, GpgmeRecipients recp,
+			   GpgmeData keydata, int use_armor);
+  GpgmeError (*genkey) (void *engine, GpgmeData help_data, int use_armor,
+			   GpgmeData pubkey, GpgmeData seckey);
+  GpgmeError (*import) (void *engine, GpgmeData keydata);
+  GpgmeError (*keylist) (void *engine, const char *pattern,
+			    int secret_only, int keylist_mode);
+  GpgmeError (*keylist_ext) (void *engine, const char *pattern[],
+				 int secret_only, int reserved,
+				int keylist_mode);
+  GpgmeError (*sign) (void *engine, GpgmeData in, GpgmeData out,
+			 GpgmeSigMode mode, int use_armor, int use_textmode,
+			 int include_certs, GpgmeCtx ctx /* FIXME */);
+  GpgmeError (*trustlist) (void *engine, const char *pattern);
+  GpgmeError (*verify) (void *engine, GpgmeData sig, GpgmeData signed_text,
+			   GpgmeData plaintext);
+  GpgmeError (*start) (void *engine, void *opaque);
+  
+  void (*set_io_cbs) (void *engine, struct GpgmeIOCbs *io_cbs);
+  void (*io_event) (void *engine, GpgmeEventIO type, void *type_data);
+};
+
+
+extern struct engine_ops _gpgme_engine_ops_gpg;		/* OpenPGP.  */
+#ifdef ENABLE_GPGSM
+extern struct engine_ops _gpgme_engine_ops_gpgsm;	/* CMS.  */
+#endif
+
+#endif /* ENGINE_BACKEND_H */
+