#include <stdio.h>

extern const char *__progname;

#include "bpp.h"
#include "algs.h"
#include "userauth.h"

static int uac_none_canuse(BPP *b __attribute__((__unused__)))
{
 return(1);
}

static unsigned char *uac_none_start(CUASTATE *s)
{
 return((*s->pkthead)(s));
}

static int uac_none_partial(CUASTATE *s __attribute__((__unused__)))
{
 fprintf(stderr,"%s: protocol error: \"none\" authentication algorithm listed\n",__progname);
 exit(1);
}

static int uac_none_run(CUASTATE *s)
{
 fprintf(stderr,"%s: protocol error: type %d message for \"none\" algorithm\n",__progname,s->layer->b->ipkt[0]);
 exit(1);
}

static int uac_none_retry(CUASTATE *s __attribute__((__unused__)))
{
 fprintf(stderr,"%s: protocol error: \"none\" authentication algorithm listed\n",__progname);
 exit(1);
}

static void uac_none_done(CUASTATE *s __attribute__((__unused__)))
{
}

static int uas_none_canuse(SUASTATE *s __attribute__((__unused__)))
{
 return(0);
}

static int uas_none_request(SUASTATE *s, const void *rest __attribute__((__unused__)), int restlen __attribute__((__unused__)))
{
 send_failure(s,0);
 return(0);
}

UAALG uaalg_none
 = { "none",
     { &uac_none_canuse,
       &uac_none_start,
       &uac_none_partial,
       &uac_none_run,
       &uac_none_retry,
       &uac_none_done },
     { &uas_none_canuse,
       &uas_none_request } };