Hello everybody,
here are my Steps how i created an C++ Module for FreeRadius.

• Adaptions in the radiusd.conf

         Create an new Module Section like:

        

modules {                                                                  

                        cpp {

                                   …

                               }

                }

• Creating an new Directory in the modules Directory
  

          I created an new Directory named "rlm_cpp" where I putted an Makefile and my rlm_cpp.cpp File


          Makefile:

          TARGET      = rlm_cpp

SRCS        = rlm_cpp.cpp

HEADERS     =
RLM_CFLAGS  =  -I/usr/include
RLM_LIBS    =  -lc
RLM_INSTALL = install-example

## this uses the RLM_CFLAGS and RLM_LIBS and SRCS defs to make TARGET.
include ../rules.mak

$(LT_OBJS): $(HEADERS)

## the rule that RLM_INSTALL tells the parent rules.mak to use.
install-example:
        touch .

My outgoing rlm_cpp.cpp File was the *.c File I took.
Then I need to change every function of this file like this:

extern "C" {

static int cpp_authorize(void *instance, REQUEST *request)
{

...

}

}

Then I added two DEFINES at the TOP of my rlm_cpp.cpp File, because the two words are reserved names in in C.

#define operator op3578000
#define template tem34123

At the end I needed to change the the struct. First I changed the struct in radiusd.conf

struct auth_req {

...
home_server_t                     *home_server
...

}

typedef struct radclient {
...

home_server_t           *coa_server;

...
} RADCLIENT;

Also change the Typedef to:

typedef struct home_server {
...
}home_server_t;

Every struct in the Source of FreeRadius need to be changed to home_server_t!


now you should made finallay the main make and see the all should be fine compiled! at the end run "make install " and implement the new C++ Module in an Section in the radiusd.conf and it will run!

Greetz
Patrick


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