Creating in C++ Module for FreeRadius

[Patrick Kowalik]

Hello Ruslan Shevchenko,

I you have created an C++ Module for FreeRadius, maybe you could post it ?

Greetz
Patrick

Am 11.03.13 16:35, schrieb Ruslan Shevchenko:
> Some time ago  I wrote C++ module for freeradius (to interact with 
> billing interface)  with next approach:
>
> 1.  write special c file where freeradius API is imported, and API 
> which is callable from "C++" for access to radius struct
>
> 2.  and special .h "freeradius_cpp_api.h" file where prototypes with 
> this "accessors from C++" is defined with external "C" linkage.
>
> 3.   import in c++ "freeradius_cpp_api.h" instead freeradius headers.
>
> and at least with gcc - all works fine after linking with right libraries.
>
>
> On Mon, Mar 11, 2013 at 3:58 PM, Patrick Ko 
> <patrick0585 at googlemail.com <mailto:patrick0585 at googlemail.com>> wrote:
>
>     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
>
>
>     -
>     List info/subscribe/unsubscribe? See
>     http://www.freeradius.org/list/devel.html
>
>
>
>
> -- 
> Ruslan Shevchenko
> Software Engineer.
> http://ua.linkedin.com/in/ruslanshevchenko
>
>
> -
> List info/subscribe/unsubscribe? See http://www.freeradius.org/list/devel.html

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