Add showauth executable

testApp/utils/Makefile

@@ -33,3 +33,6 @@ TESTPROD_HOST += testWildcard
 testWildcard = testWildcard.cpp
 testHarness_SRCS += testWildcard.cpp
 TESTS += testWildcard
+
+TESTPROD_HOST += showauth
+showauth_SRCS += showauth.cpp

testApp/utils/showauth.cpp

@@ -0,0 +1,42 @@
+/**
+ * Copyright - See the COPYRIGHT that is included with this distribution.
+ * pvAccessCPP is distributed subject to a Software License Agreement found
+ * in file LICENSE that is included with this distribution.
+ */
+
+#include <vector>
+#include <stdexcept>
+#include <iostream>
+
+#include <osiProcess.h>
+#include <pv/security.h>
+
+namespace pva = epics::pvAccess;
+
+int main(int argc, char *argv[])
+{
+    int ret = 0;
+    try {
+        std::vector<char> name(256u);
+        if(osiGetUserName(&name[0], name.size())!=osiGetUserNameSuccess)
+            throw std::runtime_error("Unable to determine username");
+
+        name[name.size()-1] = '\0';
+        std::cout<<"User: "<<(&name[0])<<"\n";
+
+        pva::PeerInfo::roles_t roles;
+        pva::osdGetRoles(&name[0], roles);
+
+        std::cout<<"Groups: \n";
+        for(pva::PeerInfo::roles_t::const_iterator it(roles.begin()), end(roles.end());
+            it!=end; ++it)
+        {
+            std::cout<<"  "<<*it<<"\n";
+        }
+
+    } catch(std::exception& e) {
+        std::cerr<<"Error: "<<e.what()<<"\n";
+        ret = 2;
+    }
+    return ret;
+}