CA client security plugin

src/remote/security.cpp

@@ -4,10 +4,50 @@
 * in file LICENSE that is included with this distribution.
 */
 
+#include <osiProcess.h>
+
 #define epicsExportSharedSymbols
 #include <pv/security.h>
 
+using namespace epics::pvData;
 using namespace epics::pvAccess;
 
 NoSecurityPlugin::shared_pointer NoSecurityPlugin::INSTANCE(new NoSecurityPlugin());
 
+CAClientSecurityPlugin::shared_pointer CAClientSecurityPlugin::INSTANCE(new CAClientSecurityPlugin());
+
+CAClientSecurityPlugin::CAClientSecurityPlugin()
+{
+    StructureConstPtr userAndHostStructure =
+            getFieldCreate()->createFieldBuilder()->
+            add("user", pvString)->
+            add("host", pvString)->
+            createStructure();
+
+    m_userAndHost = getPVDataCreate()->createPVStructure(userAndHostStructure);
+
+    //
+    // user name
+    //
+
+    char buffer[256];
+
+    std::string userName;
+    if (osiGetUserName(buffer, sizeof(buffer)) == osiGetUserNameSuccess)
+        userName = buffer;
+    // TODO more error handling
+
+    m_userAndHost->getSubField<PVString>("user")->put(userName);
+
+    //
+    // host name
+    //
+
+    std::string hostName;
+    if (gethostname(buffer, sizeof(buffer)) == 0)
+        hostName = buffer;
+    // TODO more error handling
+
+    m_userAndHost->getSubField<PVString>("host")->put(buffer);
+}
+