1 files changed, 48 insertions, 0 deletions
diff --git a/runtime/cryprov.h b/runtime/cryprov.h
new file mode 100644
index 0000000..9829b1b
--- /dev/null
+++ b/runtime/cryprov.h
@@ -0,0 +1,48 @@
+/* The interface definition for (file) crypto providers.
+ *
+ * This is just an abstract driver interface, which needs to be
+ * implemented by concrete classes.
+ *
+ * Copyright 2013 Adiscon GmbH.
+ *
+ * This file is part of the rsyslog runtime library.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *       -or-
+ *       see COPYING.ASL20 in the source distribution
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef INCLUDED_CRYPROV_H
+#define INCLUDED_CRYPROV_H
+
+/* we unfortunately need to have two different param names depending on the
+ * context in which parameters are set. Other than (re/over)engineering the core
+ * interface, we just define some values to keep track of that.
+ */
+#define CRYPROV_PARAMTYPE_REGULAR 0
+#define CRYPROV_PARAMTYPE_DISK 1
+
+/* interface */
+BEGINinterface(cryprov) /* name must also be changed in ENDinterface macro! */
+	rsRetVal (*Construct)(void *ppThis);
+	rsRetVal (*SetCnfParam)(void *ppThis, struct nvlst *lst, int paramType);
+	rsRetVal (*Destruct)(void *ppThis);
+	rsRetVal (*OnFileOpen)(void *pThis, uchar *fn, void *pFileInstData, char openMode);
+	rsRetVal (*Encrypt)(void *pFileInstData, uchar *buf, size_t *lenBuf);
+	rsRetVal (*Decrypt)(void *pFileInstData, uchar *buf, size_t *lenBuf);
+	rsRetVal (*OnFileClose)(void *pFileInstData, off64_t offsLogfile);
+	rsRetVal (*DeleteStateFiles)(uchar *logfn);
+	rsRetVal (*GetBytesLeftInBlock)(void *pFileInstData, ssize_t *left);
+	void (*SetDeleteOnClose)(void *pFileInstData, int val);
+ENDinterface(cryprov)
+#define cryprovCURR_IF_VERSION 3 /* increment whenever you change the interface structure! */
+#endif /* #ifndef INCLUDED_CRYPROV_H */