Hi all,
I try to modify rlm_example.c to implement challenge/response authentication,
but i dont' know how to code it, i know i have to modify example_authenitcate
function , but when i install it to my freeradius server , it cannot return
RLM_MODULE_OK, anyone can help me with that, here is my implementation:
static int example_authenticate(void *instance, REQUEST *request)
{
VALUE_PAIR *reply;
VALUE_PAIR *state;
instance = instance;
request = request;
state = pairfind(request->packet->vps, PW_STATE);
if (state != NULL) {
DEBUG("***rlm_example: Found reply to access challenge");
return RLM_MODULE_OK;
}
/*
* Create the challenge, and add it to the reply.
*/
reply = pairmake("Reply-Message", "This is a challenge", T_OP_EQ);
pairadd(&request->reply->vps, reply);
state = pairmake("State", "0", T_OP_EQ);
pairadd(&request->reply->vps, state);
request->reply->code = PW_ACCESS_CHALLENGE;
return RLM_MODULE_HANDLED;
}
thank!
Terry
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