[IFMON] Test for DHCP configuration in the 'add address' and 'delete address' commands

dll/win32/ifmon/ip.c

@@ -711,6 +711,14 @@ IpAddAddress(
 
     if (pszAddress && pszMask)
     {
+        if (pProperties->dwDhcp)
+        {
+            PrintMessageFromModule(hDllInstance,
+                                   IDS_ERROR_ADD_DHCP_ADDRESS);
+            dwError = ERROR_SUPPRESS_OUTPUT;
+            goto done;
+        }
+
         dwLength = wcslen(pProperties->pszIpAddress) + wcslen(pszAddress) + 2;
         pszNewIpAddress = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwLength * sizeof(WCHAR));
         if (pszNewIpAddress == NULL)
@@ -1113,6 +1121,12 @@ IpDeleteAddress(
 
     if (bHaveAddress && pszAddress)
     {
+        if (pProperties->dwDhcp)
+        {
+            PrintMessageFromModule(hDllInstance,
+                                   IDS_ERROR_DELETE_DHCP_ADDRESS);
+            return ERROR_SUPPRESS_OUTPUT;
+        }
 #if 0
         dwLength = wcslen(pProperties->pszIpAddress) + 1;
         pszNewIpAddress = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwLength * sizeof(WCHAR));

dll/win32/ifmon/lang/en-US.rc

@@ -218,4 +218,7 @@ Parameters:\n\n\
     IDS_ERROR_BAD_VALUE "\n%1!s! is not an acceptable value for %1!s!.\n"
     IDS_ERROR_ALREADY_DHCP "\nDhcp is already enabled on this interface.\n"
     IDS_ERROR_GET_PROPERTIES "\nError obtaining configuration for interface %1!s!.\n"
+
+    IDS_ERROR_ADD_DHCP_ADDRESS "\nCannot add a static IP address to an interface configured for DHCP.\n"
+    IDS_ERROR_DELETE_DHCP_ADDRESS "\nCannot delete Dhcp configured IP Address.\n"
 END

dll/win32/ifmon/resource.h

@@ -67,3 +67,5 @@
 #define IDS_ERROR_BAD_VALUE                 2001
 #define IDS_ERROR_ALREADY_DHCP              2002
 #define IDS_ERROR_GET_PROPERTIES            2003
+#define IDS_ERROR_ADD_DHCP_ADDRESS          2004
+#define IDS_ERROR_DELETE_DHCP_ADDRESS       2005