442 	Authctxt authctxt;  in ssh_userauth2()  local
449 	memset(&authctxt, 0, sizeof(authctxt));  in ssh_userauth2()
450 	authctxt.server_user = server_user;  in ssh_userauth2()
451 	authctxt.local_user = local_user;  in ssh_userauth2()
452 	authctxt.host = host;  in ssh_userauth2()
453 	authctxt.service = "ssh-connection";		/* service name */  in ssh_userauth2()
454 	authctxt.success = 0;  in ssh_userauth2()
455 	authctxt.method = authmethod_lookup("none");  in ssh_userauth2()
456 	authctxt.authlist = NULL;  in ssh_userauth2()
457 	authctxt.methoddata = NULL;  in ssh_userauth2()
458 	authctxt.sensitive = sensitive;  in ssh_userauth2()
459 	authctxt.active_ktype = authctxt.oktypes = authctxt.ktypes = NULL;  in ssh_userauth2()
460 	authctxt.info_req_seen = 0;  in ssh_userauth2()
461 	authctxt.attempt_kbdint = 0;  in ssh_userauth2()
462 	authctxt.attempt_passwd = 0;  in ssh_userauth2()
464 	authctxt.gss_supported_mechs = NULL;  in ssh_userauth2()
465 	authctxt.mech_tried = 0;  in ssh_userauth2()
467 	authctxt.agent_fd = -1;  in ssh_userauth2()
468 	pubkey_prepare(&authctxt);  in ssh_userauth2()
469 	if (authctxt.method == NULL) {  in ssh_userauth2()
478 	ssh->authctxt = &authctxt;  in ssh_userauth2()
482 	ssh_dispatch_run_fatal(ssh, DISPATCH_BLOCK, &authctxt.success);	/* loop until success */  in ssh_userauth2()
484 	ssh->authctxt = NULL;  in ssh_userauth2()
488 	if (!authctxt.success)  in ssh_userauth2()
493 		    authctxt.method->name);  in ssh_userauth2()
496 		    authctxt.method->name);  in ssh_userauth2()
542 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth()  local
544 	if (authctxt->method != NULL && authctxt->method->cleanup != NULL)  in userauth()
545 		authctxt->method->cleanup(ssh);  in userauth()
547 	free(authctxt->methoddata);  in userauth()
548 	authctxt->methoddata = NULL;  in userauth()
550 		authlist = authctxt->authlist;  in userauth()
552 		free(authctxt->authlist);  in userauth()
553 		authctxt->authlist = authlist;  in userauth()
559 			    authctxt->server_user, authctxt->host, authlist);  in userauth()
560 		authctxt->method = method;  in userauth()
609 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_success()  local
611 	if (authctxt == NULL)  in input_userauth_success()
613 	free(authctxt->authlist);  in input_userauth_success()
614 	authctxt->authlist = NULL;  in input_userauth_success()
615 	if (authctxt->method != NULL && authctxt->method->cleanup != NULL)  in input_userauth_success()
616 		authctxt->method->cleanup(ssh);  in input_userauth_success()
617 	free(authctxt->methoddata);  in input_userauth_success()
618 	authctxt->methoddata = NULL;  in input_userauth_success()
619 	authctxt->success = 1;			/* break out */  in input_userauth_success()
627 	Authctxt *authctxt = ssh->authctxt;
629 	if (authctxt == NULL)
633 	    authctxt->method->name);
642 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_failure()  local
646 	if (authctxt == NULL)  in input_userauth_failure()
656 		    authctxt->method->name);  in input_userauth_failure()
658 		pubkey_reset(authctxt);  in input_userauth_failure()
703 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_pk_ok()  local
712 	if (authctxt == NULL)  in input_userauth_pk_ok()
740 	TAILQ_FOREACH_REVERSE(id, &authctxt->keys, idlist, next) {  in input_userauth_pk_ok()
774 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_gssapi()  local
783 	if (authctxt->gss_supported_mechs == NULL)  in userauth_gssapi()
784 		gss_indicate_mechs(&min, &authctxt->gss_supported_mechs);  in userauth_gssapi()
787 	while (authctxt->mech_tried < authctxt->gss_supported_mechs->count &&  in userauth_gssapi()
789 		mech = &authctxt->gss_supported_mechs->  in userauth_gssapi()
790 		    elements[authctxt->mech_tried];  in userauth_gssapi()
793 		    mech, authctxt->host)) {  in userauth_gssapi()
796 			authctxt->mech_tried++;  in userauth_gssapi()
803 	authctxt->methoddata=(void *)gssctxt;  in userauth_gssapi()
806 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_gssapi()
807 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_gssapi()
808 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_gssapi()
822 	authctxt->mech_tried++; /* Move along to next candidate */  in userauth_gssapi()
830 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_gssapi_cleanup()  local
831 	Gssctxt *gssctxt = (Gssctxt *)authctxt->methoddata;  in userauth_gssapi_cleanup()
834 	authctxt->methoddata = NULL;  in userauth_gssapi_cleanup()
836 	free(authctxt->gss_supported_mechs);  in userauth_gssapi_cleanup()
837 	authctxt->gss_supported_mechs = NULL;  in userauth_gssapi_cleanup()
843 	Authctxt *authctxt = ssh->authctxt;  in process_gssapi_token()  local
844 	Gssctxt *gssctxt = authctxt->methoddata;  in process_gssapi_token()
880 			ssh_gssapi_buildmic(b, authctxt->server_user,  in process_gssapi_token()
881 			    authctxt->service, "gssapi-with-mic",  in process_gssapi_token()
911 	Authctxt *authctxt = ssh->authctxt;  in input_gssapi_response()  local
917 	if (authctxt == NULL)  in input_gssapi_response()
919 	gssctxt = authctxt->methoddata;  in input_gssapi_response()
956 	Authctxt *authctxt = ssh->authctxt;  in input_gssapi_token()  local
963 	if (authctxt == NULL)  in input_gssapi_token()
989 	Authctxt *authctxt = ssh->authctxt;  in input_gssapi_errtok()  local
998 	if (authctxt == NULL)  in input_gssapi_errtok()
1000 	gssctxt = authctxt->methoddata;  in input_gssapi_errtok()
1045 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_none()  local
1050 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_none()
1051 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_none()
1052 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_none()
1061 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_passwd()  local
1064 	    authctxt->host;  in userauth_passwd()
1067 	if (authctxt->attempt_passwd++ >= options.number_of_password_prompts)  in userauth_passwd()
1070 	if (authctxt->attempt_passwd != 1)  in userauth_passwd()
1073 	xasprintf(&prompt, "%s@%s's password: ", authctxt->server_user, host);  in userauth_passwd()
1076 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_passwd()
1077 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_passwd()
1078 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_passwd()
1102 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_passwd_changereq()  local
1110 	if (authctxt == NULL)  in input_userauth_passwd_changereq()
1113 	host = options.host_key_alias ? options.host_key_alias : authctxt->host;  in input_userauth_passwd_changereq()
1121 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in input_userauth_passwd_changereq()
1122 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in input_userauth_passwd_changereq()
1123 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in input_userauth_passwd_changereq()
1129 	    authctxt->server_user, host);  in input_userauth_passwd_changereq()
1139 		    authctxt->server_user, host);  in input_userauth_passwd_changereq()
1148 		    authctxt->server_user, host);  in input_userauth_passwd_changereq()
1340 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in sign_and_send_pubkey()  local
1364 		TAILQ_FOREACH(private_id, &authctxt->keys, next) {  in sign_and_send_pubkey()
1381 			TAILQ_FOREACH(private_id, &authctxt->keys, next) {  in sign_and_send_pubkey()
1431 		    (r = sshbuf_put_cstring(b, authctxt->server_user)) != 0 ||  in sign_and_send_pubkey()
1432 		    (r = sshbuf_put_cstring(b, authctxt->service)) != 0 ||  in sign_and_send_pubkey()
1433 		    (r = sshbuf_put_cstring(b, authctxt->method->name)) != 0 ||  in sign_and_send_pubkey()
1496 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in send_pubkey_test()  local
1517 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in send_pubkey_test()
1518 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in send_pubkey_test()
1519 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in send_pubkey_test()
1644 pubkey_prepare(Authctxt *authctxt)  in pubkey_prepare()  argument
1656 	preferred = &authctxt->keys;  in pubkey_prepare()
1743 		authctxt->agent_fd = agent_fd;  in pubkey_prepare()
1794 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in pubkey_cleanup()  local
1797 	if (authctxt->agent_fd != -1) {  in pubkey_cleanup()
1798 		ssh_close_authentication_socket(authctxt->agent_fd);  in pubkey_cleanup()
1799 		authctxt->agent_fd = -1;  in pubkey_cleanup()
1801 	for (id = TAILQ_FIRST(&authctxt->keys); id;  in pubkey_cleanup()
1802 	    id = TAILQ_FIRST(&authctxt->keys)) {  in pubkey_cleanup()
1803 		TAILQ_REMOVE(&authctxt->keys, id, next);  in pubkey_cleanup()
1811 pubkey_reset(Authctxt *authctxt)  in pubkey_reset()  argument
1815 	TAILQ_FOREACH(id, &authctxt->keys, next)  in pubkey_reset()
1836 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_pubkey()  local
1841 	while ((id = TAILQ_FIRST(&authctxt->keys))) {  in userauth_pubkey()
1845 		TAILQ_REMOVE(&authctxt->keys, id, next);  in userauth_pubkey()
1846 		TAILQ_INSERT_TAIL(&authctxt->keys, id, next);  in userauth_pubkey()
1884 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_kbdint()  local
1887 	if (authctxt->attempt_kbdint++ >= options.number_of_password_prompts)  in userauth_kbdint()
1890 	if (authctxt->attempt_kbdint > 1 && !authctxt->info_req_seen) {  in userauth_kbdint()
1898 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_kbdint()
1899 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_kbdint()
1900 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_kbdint()
1917 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_info_req()  local
1926 	if (authctxt == NULL)  in input_userauth_info_req()
1929 	authctxt->info_req_seen = 1;  in input_userauth_info_req()
1958 		    authctxt->server_user, options.host_key_alias ?  in input_userauth_info_req()
1959 		    options.host_key_alias : authctxt->host, prompt) == -1)  in input_userauth_info_req()
2103 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_hostbased()  local
2111 	if (authctxt->ktypes == NULL) {  in userauth_hostbased()
2112 		authctxt->oktypes = xstrdup(options.hostbased_accepted_algos);  in userauth_hostbased()
2113 		authctxt->ktypes = authctxt->oktypes;  in userauth_hostbased()
2121 		if (authctxt->active_ktype == NULL)  in userauth_hostbased()
2122 			authctxt->active_ktype = strsep(&authctxt->ktypes, ",");  in userauth_hostbased()
2123 		if (authctxt->active_ktype == NULL ||  in userauth_hostbased()
2124 		    *authctxt->active_ktype == '\0')  in userauth_hostbased()
2126 		debug3_f("trying key type %s", authctxt->active_ktype);  in userauth_hostbased()
2130 		for (i = 0; i < authctxt->sensitive->nkeys; i++) {  in userauth_hostbased()
2131 			if (authctxt->sensitive->keys[i] == NULL ||  in userauth_hostbased()
2132 			    authctxt->sensitive->keys[i]->type == KEY_UNSPEC)  in userauth_hostbased()
2135 			    sshkey_ssh_name(authctxt->sensitive->keys[i]),  in userauth_hostbased()
2136 			    authctxt->active_ktype, 0) != 1)  in userauth_hostbased()
2139 			private = authctxt->sensitive->keys[i];  in userauth_hostbased()
2140 			authctxt->sensitive->keys[i] = NULL;  in userauth_hostbased()
2147 		authctxt->active_ktype = NULL;  in userauth_hostbased()
2150 		free(authctxt->oktypes);  in userauth_hostbased()
2151 		authctxt->oktypes = authctxt->ktypes = NULL;  in userauth_hostbased()
2152 		authctxt->active_ktype = NULL;  in userauth_hostbased()
2186 	    (r = sshbuf_put_cstring(b, authctxt->server_user)) != 0 ||  in userauth_hostbased()
2187 	    (r = sshbuf_put_cstring(b, authctxt->service)) != 0 ||  in userauth_hostbased()
2188 	    (r = sshbuf_put_cstring(b, authctxt->method->name)) != 0 ||  in userauth_hostbased()
2189 	    (r = sshbuf_put_cstring(b, authctxt->active_ktype)) != 0 ||  in userauth_hostbased()
2192 	    (r = sshbuf_put_cstring(b, authctxt->local_user)) != 0) {  in userauth_hostbased()
2207 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_hostbased()
2208 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_hostbased()
2209 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_hostbased()
2210 	    (r = sshpkt_put_cstring(ssh, authctxt->active_ktype)) != 0 ||  in userauth_hostbased()
2213 	    (r = sshpkt_put_cstring(ssh, authctxt->local_user)) != 0 ||  in userauth_hostbased()