*/
#include "includes.h"
-RCSID("$OpenBSD: auth-chall.c,v 1.9 2003/11/03 09:03:37 djm Exp $");
+RCSID("$OpenBSD: auth-chall.c,v 1.8 2001/05/18 14:13:28 markus Exp $");
#include "auth.h"
#include "log.h"
#include "xmalloc.h"
-#include "servconf.h"
/* limited protocol v1 interface to kbd-interactive authentication */
extern KbdintDevice *devices[];
static KbdintDevice *device;
-extern ServerOptions options;
char *
get_challenge(Authctxt *authctxt)
u_int i, numprompts;
u_int *echo_on;
-#ifdef USE_PAM
- if (!options.use_pam)
- remove_kbdint_device("pam");
-#endif
-
device = devices[0]; /* we always use the 1st device for protocol 1 */
if (device == NULL)
return NULL;
int
verify_response(Authctxt *authctxt, const char *response)
{
- char *resp[1], *name, *info, **prompts;
- u_int i, numprompts, *echo_on;
- int authenticated = 0;
+ char *resp[1];
+ int res;
if (device == NULL)
return 0;
if (authctxt->kbdintctxt == NULL)
return 0;
resp[0] = (char *)response;
- switch (device->respond(authctxt->kbdintctxt, 1, resp)) {
- case 0: /* Success */
- authenticated = 1;
- break;
- case 1: /* Postponed - retry with empty query for PAM */
- if ((device->query(authctxt->kbdintctxt, &name, &info,
- &numprompts, &prompts, &echo_on)) != 0)
- break;
- if (numprompts == 0 &&
- device->respond(authctxt->kbdintctxt, 0, resp) == 0)
- authenticated = 1;
-
- for (i = 0; i < numprompts; i++)
- xfree(prompts[i]);
- xfree(prompts);
- xfree(name);
- xfree(echo_on);
- xfree(info);
- break;
- }
+ res = device->respond(authctxt->kbdintctxt, 1, resp);
device->free_ctx(authctxt->kbdintctxt);
authctxt->kbdintctxt = NULL;
- return authenticated;
-}
-void
-abandon_challenge_response(Authctxt *authctxt)
-{
- if (authctxt->kbdintctxt != NULL) {
- device->free_ctx(authctxt->kbdintctxt);
- authctxt->kbdintctxt = NULL;
- }
+ return res ? 0 : 1;
}