427 	Authctxt authctxt;  in ssh_userauth2()  local
434 	memset(&authctxt, 0, sizeof(authctxt));  in ssh_userauth2()
435 	authctxt.server_user = server_user;  in ssh_userauth2()
436 	authctxt.local_user = local_user;  in ssh_userauth2()
437 	authctxt.host = host;  in ssh_userauth2()
438 	authctxt.service = "ssh-connection";		/* service name */  in ssh_userauth2()
439 	authctxt.success = 0;  in ssh_userauth2()
440 	authctxt.method = authmethod_lookup("none");  in ssh_userauth2()
441 	authctxt.authlist = NULL;  in ssh_userauth2()
442 	authctxt.methoddata = NULL;  in ssh_userauth2()
443 	authctxt.sensitive = sensitive;  in ssh_userauth2()
444 	authctxt.active_ktype = authctxt.oktypes = authctxt.ktypes = NULL;  in ssh_userauth2()
445 	authctxt.info_req_seen = 0;  in ssh_userauth2()
446 	authctxt.attempt_kbdint = 0;  in ssh_userauth2()
447 	authctxt.attempt_passwd = 0;  in ssh_userauth2()
449 	authctxt.gss_supported_mechs = NULL;  in ssh_userauth2()
450 	authctxt.mech_tried = 0;  in ssh_userauth2()
452 	authctxt.agent_fd = -1;  in ssh_userauth2()
453 	if (authctxt.method == NULL)  in ssh_userauth2()
461 	ssh->authctxt = &authctxt;  in ssh_userauth2()
465 	ssh_dispatch_run_fatal(ssh, DISPATCH_BLOCK, &authctxt.success);	/* loop until success */  in ssh_userauth2()
468 	if (authctxt.gss_supported_mechs != NULL) {  in ssh_userauth2()
471 		gss_release_oid_set(&ms, &authctxt.gss_supported_mechs);  in ssh_userauth2()
472 		authctxt.gss_supported_mechs = NULL;  in ssh_userauth2()
475 	ssh->authctxt = NULL;  in ssh_userauth2()
479 	if (!authctxt.success)  in ssh_userauth2()
484 		    authctxt.method->name);  in ssh_userauth2()
487 		    authctxt.method->name);  in ssh_userauth2()
527 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth()  local
529 	if (authctxt->method != NULL && authctxt->method->cleanup != NULL)  in userauth()
530 		authctxt->method->cleanup(ssh);  in userauth()
532 	free(authctxt->methoddata);  in userauth()
533 	authctxt->methoddata = NULL;  in userauth()
535 		authlist = authctxt->authlist;  in userauth()
537 		free(authctxt->authlist);  in userauth()
538 		authctxt->authlist = authlist;  in userauth()
544 			    authctxt->server_user, authctxt->host, authlist);  in userauth()
545 		authctxt->method = method;  in userauth()
591 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_success()  local
593 	if (authctxt == NULL)  in input_userauth_success()
595 	free(authctxt->authlist);  in input_userauth_success()
596 	authctxt->authlist = NULL;  in input_userauth_success()
597 	if (authctxt->method != NULL && authctxt->method->cleanup != NULL)  in input_userauth_success()
598 		authctxt->method->cleanup(ssh);  in input_userauth_success()
599 	free(authctxt->methoddata);  in input_userauth_success()
600 	authctxt->methoddata = NULL;  in input_userauth_success()
601 	authctxt->success = 1;			/* break out */  in input_userauth_success()
610 	Authctxt *authctxt = ssh->authctxt;
612 	if (authctxt == NULL)
616 	    authctxt->method->name);
624 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_failure()  local
628 	if (authctxt == NULL)  in input_userauth_failure()
638 		    authctxt->method->name);  in input_userauth_failure()
640 		pubkey_reset(authctxt);  in input_userauth_failure()
684 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_pk_ok()  local
693 	if (authctxt == NULL)  in input_userauth_pk_ok()
723 	TAILQ_FOREACH_REVERSE(id, &authctxt->keys, idlist, next) {  in input_userauth_pk_ok()
758 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_gssapi()  local
767 	if (authctxt->gss_supported_mechs == NULL)  in userauth_gssapi()
768 		gss_indicate_mechs(&min, &authctxt->gss_supported_mechs);  in userauth_gssapi()
771 	while (authctxt->mech_tried < authctxt->gss_supported_mechs->count &&  in userauth_gssapi()
773 		mech = &authctxt->gss_supported_mechs->  in userauth_gssapi()
774 		    elements[authctxt->mech_tried];  in userauth_gssapi()
777 		    mech, authctxt->host)) {  in userauth_gssapi()
780 			authctxt->mech_tried++;  in userauth_gssapi()
787 	authctxt->methoddata=(void *)gssctxt;  in userauth_gssapi()
790 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_gssapi()
791 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_gssapi()
792 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_gssapi()
806 	authctxt->mech_tried++; /* Move along to next candidate */  in userauth_gssapi()
814 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_gssapi_cleanup()  local
815 	Gssctxt *gssctxt = (Gssctxt *)authctxt->methoddata;  in userauth_gssapi_cleanup()
818 	authctxt->methoddata = NULL;  in userauth_gssapi_cleanup()
824 	Authctxt *authctxt = ssh->authctxt;  in process_gssapi_token()  local
825 	Gssctxt *gssctxt = authctxt->methoddata;  in process_gssapi_token()
861 			ssh_gssapi_buildmic(b, authctxt->server_user,  in process_gssapi_token()
862 			    authctxt->service, "gssapi-with-mic",  in process_gssapi_token()
891 	Authctxt *authctxt = ssh->authctxt;  in input_gssapi_response()  local
897 	if (authctxt == NULL)  in input_gssapi_response()
899 	gssctxt = authctxt->methoddata;  in input_gssapi_response()
935 	Authctxt *authctxt = ssh->authctxt;  in input_gssapi_token()  local
942 	if (authctxt == NULL)  in input_gssapi_token()
967 	Authctxt *authctxt = ssh->authctxt;  in input_gssapi_errtok()  local
976 	if (authctxt == NULL)  in input_gssapi_errtok()
978 	gssctxt = authctxt->methoddata;  in input_gssapi_errtok()
1022 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_none()  local
1027 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_none()
1028 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_none()
1029 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_none()
1038 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_passwd()  local
1041 	    authctxt->host;  in userauth_passwd()
1044 	if (authctxt->attempt_passwd++ >= options.number_of_password_prompts)  in userauth_passwd()
1047 	if (authctxt->attempt_passwd != 1)  in userauth_passwd()
1050 	xasprintf(&prompt, "%s@%s's password: ", authctxt->server_user, host);  in userauth_passwd()
1053 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_passwd()
1054 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_passwd()
1055 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_passwd()
1078 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_passwd_changereq()  local
1086 	if (authctxt == NULL)  in input_userauth_passwd_changereq()
1089 	host = options.host_key_alias ? options.host_key_alias : authctxt->host;  in input_userauth_passwd_changereq()
1097 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in input_userauth_passwd_changereq()
1098 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in input_userauth_passwd_changereq()
1099 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in input_userauth_passwd_changereq()
1105 	    authctxt->server_user, host);  in input_userauth_passwd_changereq()
1115 		    authctxt->server_user, host);  in input_userauth_passwd_changereq()
1124 		    authctxt->server_user, host);  in input_userauth_passwd_changereq()
1314 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in sign_and_send_pubkey()  local
1346 		TAILQ_FOREACH(private_id, &authctxt->keys, next) {  in sign_and_send_pubkey()
1363 			TAILQ_FOREACH(private_id, &authctxt->keys, next) {  in sign_and_send_pubkey()
1413 		    (r = sshbuf_put_cstring(b, authctxt->server_user)) != 0 ||  in sign_and_send_pubkey()
1414 		    (r = sshbuf_put_cstring(b, authctxt->service)) != 0 ||  in sign_and_send_pubkey()
1485 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in send_pubkey_test()  local
1506 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in send_pubkey_test()
1507 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in send_pubkey_test()
1508 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in send_pubkey_test()
1670 pubkey_prepare(struct ssh *ssh, Authctxt *authctxt)  in pubkey_prepare()  argument
1682 	preferred = &authctxt->keys;  in pubkey_prepare()
1768 		authctxt->agent_fd = agent_fd;  in pubkey_prepare()
1833 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in pubkey_cleanup()  local
1836 	if (authctxt->agent_fd != -1) {  in pubkey_cleanup()
1837 		ssh_close_authentication_socket(authctxt->agent_fd);  in pubkey_cleanup()
1838 		authctxt->agent_fd = -1;  in pubkey_cleanup()
1840 	for (id = TAILQ_FIRST(&authctxt->keys); id;  in pubkey_cleanup()
1841 	    id = TAILQ_FIRST(&authctxt->keys)) {  in pubkey_cleanup()
1842 		TAILQ_REMOVE(&authctxt->keys, id, next);  in pubkey_cleanup()
1850 pubkey_reset(Authctxt *authctxt)  in pubkey_reset()  argument
1854 	TAILQ_FOREACH(id, &authctxt->keys, next)  in pubkey_reset()
1861 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_pubkey()  local
1868 		pubkey_prepare(ssh, authctxt);  in userauth_pubkey()
1872 	while ((id = TAILQ_FIRST(&authctxt->keys))) {  in userauth_pubkey()
1876 		TAILQ_REMOVE(&authctxt->keys, id, next);  in userauth_pubkey()
1877 		TAILQ_INSERT_TAIL(&authctxt->keys, id, next);  in userauth_pubkey()
1913 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_kbdint()  local
1916 	if (authctxt->attempt_kbdint++ >= options.number_of_password_prompts)  in userauth_kbdint()
1919 	if (authctxt->attempt_kbdint > 1 && !authctxt->info_req_seen) {  in userauth_kbdint()
1927 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_kbdint()
1928 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_kbdint()
1929 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_kbdint()
1946 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_info_req()  local
1955 	if (authctxt == NULL)  in input_userauth_info_req()
1958 	authctxt->info_req_seen = 1;  in input_userauth_info_req()
1987 		    authctxt->server_user, options.host_key_alias ?  in input_userauth_info_req()
1988 		    options.host_key_alias : authctxt->host, prompt) == -1)  in input_userauth_info_req()
2133 	Authctxt *authctxt = (Authctxt *)ssh->authctxt;  in userauth_hostbased()  local
2141 	if (authctxt->ktypes == NULL) {  in userauth_hostbased()
2142 		authctxt->oktypes = xstrdup(options.hostbased_accepted_algos);  in userauth_hostbased()
2143 		authctxt->ktypes = authctxt->oktypes;  in userauth_hostbased()
2151 		if (authctxt->active_ktype == NULL)  in userauth_hostbased()
2152 			authctxt->active_ktype = strsep(&authctxt->ktypes, ",");  in userauth_hostbased()
2153 		if (authctxt->active_ktype == NULL ||  in userauth_hostbased()
2154 		    *authctxt->active_ktype == '\0')  in userauth_hostbased()
2156 		debug3_f("trying key type %s", authctxt->active_ktype);  in userauth_hostbased()
2160 		for (i = 0; i < authctxt->sensitive->nkeys; i++) {  in userauth_hostbased()
2161 			if (authctxt->sensitive->keys[i] == NULL ||  in userauth_hostbased()
2162 			    authctxt->sensitive->keys[i]->type == KEY_UNSPEC)  in userauth_hostbased()
2165 			    sshkey_ssh_name(authctxt->sensitive->keys[i]),  in userauth_hostbased()
2166 			    authctxt->active_ktype))  in userauth_hostbased()
2169 			private = authctxt->sensitive->keys[i];  in userauth_hostbased()
2170 			authctxt->sensitive->keys[i] = NULL;  in userauth_hostbased()
2177 		authctxt->active_ktype = NULL;  in userauth_hostbased()
2180 		free(authctxt->oktypes);  in userauth_hostbased()
2181 		authctxt->oktypes = authctxt->ktypes = NULL;  in userauth_hostbased()
2182 		authctxt->active_ktype = NULL;  in userauth_hostbased()
2193 	    sshkey_ssh_name(private), fp, authctxt->active_ktype);  in userauth_hostbased()
2217 	    (r = sshbuf_put_cstring(b, authctxt->server_user)) != 0 ||  in userauth_hostbased()
2218 	    (r = sshbuf_put_cstring(b, authctxt->service)) != 0 ||  in userauth_hostbased()
2219 	    (r = sshbuf_put_cstring(b, authctxt->method->name)) != 0 ||  in userauth_hostbased()
2220 	    (r = sshbuf_put_cstring(b, authctxt->active_ktype)) != 0 ||  in userauth_hostbased()
2223 	    (r = sshbuf_put_cstring(b, authctxt->local_user)) != 0) {  in userauth_hostbased()
2238 	    (r = sshpkt_put_cstring(ssh, authctxt->server_user)) != 0 ||  in userauth_hostbased()
2239 	    (r = sshpkt_put_cstring(ssh, authctxt->service)) != 0 ||  in userauth_hostbased()
2240 	    (r = sshpkt_put_cstring(ssh, authctxt->method->name)) != 0 ||  in userauth_hostbased()
2241 	    (r = sshpkt_put_cstring(ssh, authctxt->active_ktype)) != 0 ||  in userauth_hostbased()
2244 	    (r = sshpkt_put_cstring(ssh, authctxt->local_user)) != 0 ||  in userauth_hostbased()