ssh/sshd/auth1.c

74 do_authloop(Authctxt *authctxt)
85 	struct passwd *pw = authctxt->pw;
88 	    authctxt->valid ? "" : "illegal user ", authctxt->user);
95 	    auth_password(authctxt, "")) {
96 		auth_log(authctxt, 1, "without authentication", "");
114 		authctxt->v1_auth_type = type = packet_read();
115 		authctxt->v1_auth_name = get_authname(type);
117 		authctxt->attempt++;
137 					if (auth_krb4(authctxt, &tkt,
158 					if (auth_krb5(authctxt, &tkt,
261 			authctxt->init_attempt++;
276 			if (authctxt->init_failures <
279 				    auth_password(authctxt, password);
288 				char *challenge = get_challenge(authctxt);
306 				authenticated = verify_response(authctxt, response);
321 		if (authctxt->as) {
322 			auth_close(authctxt->as);
323 			authctxt->as = NULL;
326 		if (!authctxt->valid && authenticated) {
329 			    authctxt->user);
334 			cray_login_failure(authctxt->user, IA_UDBERR);
335 		if (authenticated && cray_access_denied(authctxt->user)) {
337 			fatal("Access denied for user %s.",authctxt->user);
350 		if (authenticated && authctxt->pw->pw_uid == 0 &&
356 			authenticated = do_pam_non_initial_userauth(authctxt);
357 		else if (authenticated && !AUTHPAM_DONE(authctxt))
361 			authctxt->pam_retval = AUTHPAM_ERROR(authctxt,
366 		auth_log(authctxt, authenticated, get_authname(type), info);
377 			authctxt->init_failures++;
379 		if (authctxt->failures++ > options.max_auth_tries) {
382 				authctxt);
384 			    authctxt->user);
386 			packet_disconnect(AUTH_FAIL_MSG, authctxt->user);
402 	Authctxt *authctxt;
426 	authctxt = authctxt_new();
427 	authctxt->user = user;
428 	authctxt->style = style;
431 	fatal_add_cleanup(audit_failed_login_cleanup, authctxt);
435 	if ((authctxt->pw = getpwnamallow(user)) != NULL) {
436 		authctxt->valid = 1;
438 		authctxt->valid = 0;
442 	setproctitle("%s", authctxt->pw ? user : "unknown");
449 	if (getuid() != 0 && authctxt->pw &&
450 	    authctxt->pw->pw_uid != getuid())
458 	do_authloop(authctxt);
465 	return (authctxt);