287 	int	(*userauth)(Authctxt *authctxt);
288 	void	(*cleanup)(Authctxt *authctxt);
311 int	userauth_gssapi(Authctxt *authctxt);
372 	Authctxt authctxt;  in ssh_userauth2()  local
381 	memset(&authctxt, 0, sizeof(authctxt));  in ssh_userauth2()
382 	pubkey_prepare(&authctxt);  in ssh_userauth2()
383 	authctxt.server_user = server_user;  in ssh_userauth2()
384 	authctxt.local_user = local_user;  in ssh_userauth2()
385 	authctxt.host = host;  in ssh_userauth2()
386 	authctxt.service = "ssh-connection";		/* service name */  in ssh_userauth2()
387 	authctxt.success = 0;  in ssh_userauth2()
388 	authctxt.method = authmethod_lookup("none");  in ssh_userauth2()
389 	authctxt.authlist = NULL;  in ssh_userauth2()
390 	authctxt.methoddata = NULL;  in ssh_userauth2()
391 	authctxt.sensitive = sensitive;  in ssh_userauth2()
392 	authctxt.active_ktype = authctxt.oktypes = authctxt.ktypes = NULL;  in ssh_userauth2()
393 	authctxt.info_req_seen = 0;  in ssh_userauth2()
394 	authctxt.agent_fd = -1;  in ssh_userauth2()
395 	if (authctxt.method == NULL)  in ssh_userauth2()
403 	ssh->authctxt = &authctxt;  in ssh_userauth2()
407 	ssh_dispatch_run_fatal(ssh, DISPATCH_BLOCK, &authctxt.success);	/* loop until success */  in ssh_userauth2()
408 	ssh->authctxt = NULL;  in ssh_userauth2()
410 	pubkey_cleanup(&authctxt);  in ssh_userauth2()
413 	if (!authctxt.success)  in ssh_userauth2()
415 	debug("Authentication succeeded (%s).", authctxt.method->name);  in ssh_userauth2()
422 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_service_accept()  local
440 	userauth_none(authctxt);  in input_userauth_service_accept()
459 userauth(Authctxt *authctxt, char *authlist)  in userauth()  argument
463 	if (authctxt->method != NULL && authctxt->method->cleanup != NULL)  in userauth()
464 		authctxt->method->cleanup(authctxt);  in userauth()
466 	free(authctxt->methoddata);  in userauth()
467 	authctxt->methoddata = NULL;  in userauth()
469 		authlist = authctxt->authlist;  in userauth()
471 		free(authctxt->authlist);  in userauth()
472 		authctxt->authlist = authlist;  in userauth()
478 			    authctxt->server_user, authctxt->host, authlist);  in userauth()
479 		authctxt->method = method;  in userauth()
486 		if (method->userauth(authctxt) != 0) {  in userauth()
526 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_success()  local
528 	if (authctxt == NULL)  in input_userauth_success()
530 	free(authctxt->authlist);  in input_userauth_success()
531 	authctxt->authlist = NULL;  in input_userauth_success()
532 	if (authctxt->method != NULL && authctxt->method->cleanup != NULL)  in input_userauth_success()
533 		authctxt->method->cleanup(authctxt);  in input_userauth_success()
534 	free(authctxt->methoddata);  in input_userauth_success()
535 	authctxt->methoddata = NULL;  in input_userauth_success()
536 	authctxt->success = 1;			/* break out */  in input_userauth_success()
543 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_success_unexpected()  local
545 	if (authctxt == NULL)  in input_userauth_success_unexpected()
549 	    authctxt->method->name);  in input_userauth_success_unexpected()
557 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_failure()  local
562 	if (authctxt == NULL)  in input_userauth_failure()
573 		pubkey_reset(authctxt);  in input_userauth_failure()
577 	userauth(authctxt, authlist);  in input_userauth_failure()
588 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_pk_ok()  local
597 	if (authctxt == NULL)  in input_userauth_pk_ok()
632 	TAILQ_FOREACH_REVERSE(id, &authctxt->keys, idlist, next) {  in input_userauth_pk_ok()
634 			sent = sign_and_send_pubkey(ssh, authctxt, id);  in input_userauth_pk_ok()
646 		userauth(authctxt, NULL);  in input_userauth_pk_ok()
652 userauth_gssapi(Authctxt *authctxt)  in userauth_gssapi()  argument
672 		    &gss_supported->elements[mech], authctxt->host)) {  in userauth_gssapi()
682 	authctxt->methoddata=(void *)gssctxt;  in userauth_gssapi()
685 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_gssapi()
686 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_gssapi()
687 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_gssapi()
713 	Authctxt *authctxt = ssh->authctxt;  in process_gssapi_token()  local
714 	Gssctxt *gssctxt = authctxt->methoddata;  in process_gssapi_token()
750 			ssh_gssapi_buildmic(b, authctxt->server_user,  in process_gssapi_token()
751 			    authctxt->service, "gssapi-with-mic");  in process_gssapi_token()
780 	Authctxt *authctxt = ssh->authctxt;  in input_gssapi_response()  local
786 	if (authctxt == NULL)  in input_gssapi_response()
788 	gssctxt = authctxt->methoddata;  in input_gssapi_response()
798 		userauth(authctxt, NULL);  in input_gssapi_response()
811 		userauth(authctxt, NULL);  in input_gssapi_response()
825 	Authctxt *authctxt = ssh->authctxt;  in input_gssapi_token()  local
832 	if (authctxt == NULL)  in input_gssapi_token()
845 		userauth(authctxt, NULL);  in input_gssapi_token()
858 	Authctxt *authctxt = ssh->authctxt;  in input_gssapi_errtok()  local
867 	if (authctxt == NULL)  in input_gssapi_errtok()
869 	gssctxt = authctxt->methoddata;  in input_gssapi_errtok()
912 userauth_none(Authctxt *authctxt)  in userauth_none()  argument
919 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_none()
920 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_none()
921 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_none()
928 userauth_passwd(Authctxt *authctxt)  in userauth_passwd()  argument
935 	    authctxt->host;  in userauth_passwd()
945 	    authctxt->server_user, host);  in userauth_passwd()
948 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_passwd()
949 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_passwd()
950 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_passwd()
973 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_passwd_changereq()  local
981 	if (authctxt == NULL)  in input_userauth_passwd_changereq()
984 	host = options.host_key_alias ? options.host_key_alias : authctxt->host;  in input_userauth_passwd_changereq()
992 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in input_userauth_passwd_changereq()
993 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in input_userauth_passwd_changereq()
994 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in input_userauth_passwd_changereq()
1000 	    authctxt->server_user, host);  in input_userauth_passwd_changereq()
1010 		    authctxt->server_user, host);  in input_userauth_passwd_changereq()
1019 		    authctxt->server_user, host);  in input_userauth_passwd_changereq()
1153 sign_and_send_pubkey(struct ssh *ssh, Authctxt *authctxt, Identity *id)  in sign_and_send_pubkey()  argument
1178 		TAILQ_FOREACH(private_id, &authctxt->keys, next) {  in sign_and_send_pubkey()
1195 			TAILQ_FOREACH(private_id, &authctxt->keys, next) {  in sign_and_send_pubkey()
1250 		    (r = sshbuf_put_cstring(b, authctxt->server_user)) != 0 ||  in sign_and_send_pubkey()
1251 		    (r = sshbuf_put_cstring(b, authctxt->service)) != 0 ||  in sign_and_send_pubkey()
1252 		    (r = sshbuf_put_cstring(b, authctxt->method->name)) != 0 ||  in sign_and_send_pubkey()
1312 send_pubkey_test(struct ssh *ssh, Authctxt *authctxt, Identity *id)  in send_pubkey_test()  argument
1334 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in send_pubkey_test()
1335 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in send_pubkey_test()
1336 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in send_pubkey_test()
1453 pubkey_prepare(Authctxt *authctxt)  in pubkey_prepare()  argument
1464 	preferred = &authctxt->keys;  in pubkey_prepare()
1536 		authctxt->agent_fd = agent_fd;  in pubkey_prepare()
1584 pubkey_cleanup(Authctxt *authctxt)  in pubkey_cleanup()  argument
1588 	if (authctxt->agent_fd != -1)  in pubkey_cleanup()
1589 		ssh_close_authentication_socket(authctxt->agent_fd);  in pubkey_cleanup()
1590 	for (id = TAILQ_FIRST(&authctxt->keys); id;  in pubkey_cleanup()
1591 	    id = TAILQ_FIRST(&authctxt->keys)) {  in pubkey_cleanup()
1592 		TAILQ_REMOVE(&authctxt->keys, id, next);  in pubkey_cleanup()
1600 pubkey_reset(Authctxt *authctxt)  in pubkey_reset()  argument
1604 	TAILQ_FOREACH(id, &authctxt->keys, next)  in pubkey_reset()
1623 userauth_pubkey(Authctxt *authctxt)  in userauth_pubkey()  argument
1630 	while ((id = TAILQ_FIRST(&authctxt->keys))) {  in userauth_pubkey()
1634 		TAILQ_REMOVE(&authctxt->keys, id, next);  in userauth_pubkey()
1635 		TAILQ_INSERT_TAIL(&authctxt->keys, id, next);  in userauth_pubkey()
1653 				sent = send_pubkey_test(ssh, authctxt, id);  in userauth_pubkey()
1662 					    authctxt, id);  in userauth_pubkey()
1679 userauth_kbdint(Authctxt *authctxt)  in userauth_kbdint()  argument
1688 	if (attempt > 1 && !authctxt->info_req_seen) {  in userauth_kbdint()
1696 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_kbdint()
1697 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_kbdint()
1698 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_kbdint()
1715 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_info_req()  local
1724 	if (authctxt == NULL)  in input_userauth_info_req()
1727 	authctxt->info_req_seen = 1;  in input_userauth_info_req()
1892 userauth_hostbased(Authctxt *authctxt)  in userauth_hostbased()  argument
1902 	if (authctxt->ktypes == NULL) {  in userauth_hostbased()
1903 		authctxt->oktypes = xstrdup(options.hostbased_key_types);  in userauth_hostbased()
1904 		authctxt->ktypes = authctxt->oktypes;  in userauth_hostbased()
1912 		if (authctxt->active_ktype == NULL)  in userauth_hostbased()
1913 			authctxt->active_ktype = strsep(&authctxt->ktypes, ",");  in userauth_hostbased()
1914 		if (authctxt->active_ktype == NULL ||  in userauth_hostbased()
1915 		    *authctxt->active_ktype == '\0')  in userauth_hostbased()
1918 		    authctxt->active_ktype);  in userauth_hostbased()
1922 		for (i = 0; i < authctxt->sensitive->nkeys; i++) {  in userauth_hostbased()
1923 			if (authctxt->sensitive->keys[i] == NULL ||  in userauth_hostbased()
1924 			    authctxt->sensitive->keys[i]->type == KEY_UNSPEC)  in userauth_hostbased()
1927 			    sshkey_ssh_name(authctxt->sensitive->keys[i]),  in userauth_hostbased()
1928 			    authctxt->active_ktype, 0) != 1)  in userauth_hostbased()
1931 			private = authctxt->sensitive->keys[i];  in userauth_hostbased()
1932 			authctxt->sensitive->keys[i] = NULL;  in userauth_hostbased()
1939 		authctxt->active_ktype = NULL;  in userauth_hostbased()
1942 		free(authctxt->oktypes);  in userauth_hostbased()
1943 		authctxt->oktypes = authctxt->ktypes = NULL;  in userauth_hostbased()
1944 		authctxt->active_ktype = NULL;  in userauth_hostbased()
1978 	    (r = sshbuf_put_cstring(b, authctxt->server_user)) != 0 ||  in userauth_hostbased()
1979 	    (r = sshbuf_put_cstring(b, authctxt->service)) != 0 ||  in userauth_hostbased()
1980 	    (r = sshbuf_put_cstring(b, authctxt->method->name)) != 0 ||  in userauth_hostbased()
1984 	    (r = sshbuf_put_cstring(b, authctxt->local_user)) != 0) {  in userauth_hostbased()
2000 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_hostbased()
2001 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_hostbased()
2002 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_hostbased()
2006 	    (r = sshpkt_put_cstring(ssh, authctxt->local_user)) != 0 ||  in userauth_hostbased()