Add objective wrappers for libaudit functions

The wrapper is needed to make unit testing possible.

Change-Id: Ic3ca40e04d11d9151b8c0a8e358a4697a641cd22

diff --git a/src/Audit/AuditWrapper.cpp b/src/Audit/AuditWrapper.cpp
new file mode 100644 (file)
index 0000000..36711dc
--- /dev/null
+++ b/src/Audit/AuditWrapper.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *    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
+ *
+ *    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.
+ */
+/**
+ * @file        src/Audit/AuditWrapper.cpp
+ * @author      Aleksander Zdyb <a.zdyb@samsung.com>
+ * @version     1.0
+ */
+
+ #include <cstdlib>
+
+#include <libaudit.h>
+extern int _audit_syscalladded; // God bless them
+
+#include "AuditWrapper.h"
+
+namespace Audit {
+
+int AuditWrapper::audit_open(void) {
+    return ::audit_open();
+}
+
+void AuditWrapper::audit_close(int fd) {
+    ::audit_close(fd);
+}
+
+int AuditWrapper::audit_add_rule_data(int fd, struct audit_rule_data *rule, int flags, int action) {
+    return ::audit_add_rule_data(fd, rule, flags, action);
+}
+
+int AuditWrapper::audit_delete_rule_data(int fd, struct audit_rule_data *rule, int flags,
+                                         int action)
+{
+    return ::audit_delete_rule_data(fd, rule, flags, action);
+}
+
+int AuditWrapper::audit_rule_syscallbyname_data(struct audit_rule_data *rule, const char *scall) {
+    auto ret = ::audit_rule_syscallbyname_data(rule, scall);
+    if (ret == 0)
+        _audit_syscalladded = 1;
+    return ret;
+}
+
+int AuditWrapper::audit_rule_fieldpair_data(struct audit_rule_data **rulep, const char *pair,
+                                            int flags) {
+    return ::audit_rule_fieldpair_data(rulep, pair, flags);
+}
+
+void AuditWrapper::audit_rule_free_data(struct audit_rule_data *rule) {
+    ::audit_rule_free_data(rule);
+}
+
+audit_rule_data *AuditWrapper::create_rule_data() {
+    return static_cast<struct audit_rule_data *>(calloc(1, sizeof(struct audit_rule_data)));
+}
+
+int AuditWrapper::MAX_AUDIT_MESSAGE_LENGTH_CONST() const {
+    return MAX_AUDIT_MESSAGE_LENGTH;
+}
+
+int AuditWrapper::AUDIT_FILTER_EXIT_CONST() const {
+    return AUDIT_FILTER_EXIT;
+}
+
+int AuditWrapper::AUDIT_ALWAYS_CONST() const {
+    return AUDIT_ALWAYS;
+}
+
+} /* namespace Audit */

diff --git a/src/Audit/AuditWrapper.h b/src/Audit/AuditWrapper.h
new file mode 100644 (file)
index 0000000..3701e61
--- /dev/null
+++ b/src/Audit/AuditWrapper.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *    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
+ *
+ *    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.
+ */
+/**
+ * @file        src/Audit/AuditWrapper.h
+ * @author      Aleksander Zdyb <a.zdyb@samsung.com>
+ * @version     1.0
+ */
+
+#ifndef SRC_AUDIT_AUDITWRAPPER_H
+#define SRC_AUDIT_AUDITWRAPPER_H
+
+#include "BaseAuditWrapper.h"
+
+namespace Audit {
+
+class AuditWrapper : public BaseAuditWrapper {
+public:
+    using BaseAuditWrapper::BaseAuditWrapper;
+    virtual ~AuditWrapper() = default;
+
+    virtual int audit_open(void);
+    virtual void audit_close(int fd);
+
+    virtual int audit_add_rule_data(int fd, struct audit_rule_data *rule, int flags, int action);
+    virtual int audit_delete_rule_data(int fd, struct audit_rule_data *rule, int flags,
+                                       int action);
+    virtual int audit_rule_syscallbyname_data(struct audit_rule_data *rule, const char *scall);
+    virtual int audit_rule_fieldpair_data(struct audit_rule_data **rulep, const char *pair,
+                                          int flags);
+    virtual void audit_rule_free_data(struct audit_rule_data *rule);
+
+    virtual audit_rule_data *create_rule_data();
+
+    virtual int MAX_AUDIT_MESSAGE_LENGTH_CONST() const;
+    virtual int AUDIT_FILTER_EXIT_CONST() const;
+    virtual int AUDIT_ALWAYS_CONST() const;
+};
+
+} /* namespace Audit */
+
+#endif /* SRC_AUDIT_AUDITWRAPPER_H */

diff --git a/src/Audit/BaseAuditWrapper.h b/src/Audit/BaseAuditWrapper.h
new file mode 100644 (file)
index 0000000..bdccee7
--- /dev/null
+++ b/src/Audit/BaseAuditWrapper.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ *    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
+ *
+ *    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.
+ */
+/**
+ * @file        src/Audit/BaseAuditWrapper.h
+ * @author      Aleksander Zdyb <a.zdyb@samsung.com>
+ * @version     1.0
+ */
+
+#ifndef SRC_AUDIT_BASEAUDITWRAPPER_H
+#define SRC_AUDIT_BASEAUDITWRAPPER_H
+
+struct audit_rule_data;
+
+namespace Audit {
+
+class BaseAuditWrapper {
+public:
+    virtual ~BaseAuditWrapper() = default;
+
+    virtual int audit_open(void) = 0;
+    virtual void audit_close(int fd) = 0;
+
+    virtual int audit_add_rule_data(int fd, struct audit_rule_data *rule, int flags,
+                                    int action) = 0;
+    virtual int audit_delete_rule_data(int fd, struct audit_rule_data *rule, int flags,
+                                       int action) = 0;
+    virtual int audit_rule_syscallbyname_data(struct audit_rule_data *rule, const char *scall) = 0;
+    virtual int audit_rule_fieldpair_data(struct audit_rule_data **rulep, const char *pair,
+                                          int flags) = 0;
+    virtual void audit_rule_free_data(struct audit_rule_data *rule) = 0;
+
+    virtual struct audit_rule_data *create_rule_data() = 0;
+
+    virtual int MAX_AUDIT_MESSAGE_LENGTH_CONST() const = 0;
+    virtual int AUDIT_FILTER_EXIT_CONST() const = 0;
+    virtual int AUDIT_ALWAYS_CONST() const = 0;
+};
+
+} /* namespace Audit */
+
+#endif /* SRC_AUDIT_BASEAUDITWRAPPER_H */