93 static int input_service_request(int, u_int32_t, struct ssh *);
94 static int input_userauth_request(int, u_int32_t, struct ssh *);
140 userauth_send_banner(struct ssh *ssh, const char *msg)  in userauth_send_banner()  argument
144 	if ((r = sshpkt_start(ssh, SSH2_MSG_USERAUTH_BANNER)) != 0 ||  in userauth_send_banner()
145 	    (r = sshpkt_put_cstring(ssh, msg)) != 0 ||  in userauth_send_banner()
146 	    (r = sshpkt_put_cstring(ssh, "")) != 0 ||	/* language, unused */  in userauth_send_banner()
147 	    (r = sshpkt_send(ssh)) != 0)  in userauth_send_banner()
153 userauth_banner(struct ssh *ssh)  in userauth_banner()  argument
162 	userauth_send_banner(ssh, banner);  in userauth_banner()
172 do_authentication2(struct ssh *ssh)  in do_authentication2()  argument
174 	Authctxt *authctxt = ssh->authctxt;  in do_authentication2()
176 	ssh_dispatch_init(ssh, &dispatch_protocol_error);  in do_authentication2()
177 	ssh_dispatch_set(ssh, SSH2_MSG_SERVICE_REQUEST, &input_service_request);  in do_authentication2()
178 	ssh_dispatch_run_fatal(ssh, DISPATCH_BLOCK, &authctxt->success);  in do_authentication2()
179 	ssh->authctxt = NULL;  in do_authentication2()
184 input_service_request(int type, u_int32_t seq, struct ssh *ssh)  in input_service_request()  argument
186 	Authctxt *authctxt = ssh->authctxt;  in input_service_request()
190 	if ((r = sshpkt_get_cstring(ssh, &service, NULL)) != 0 ||  in input_service_request()
191 	    (r = sshpkt_get_end(ssh)) != 0)  in input_service_request()
201 			ssh_dispatch_set(ssh, SSH2_MSG_USERAUTH_REQUEST,  in input_service_request()
208 		if ((r = sshpkt_start(ssh, SSH2_MSG_SERVICE_ACCEPT)) != 0 ||  in input_service_request()
209 		    (r = sshpkt_put_cstring(ssh, service)) != 0 ||  in input_service_request()
210 		    (r = sshpkt_send(ssh)) != 0 ||  in input_service_request()
211 		    (r = ssh_packet_write_wait(ssh)) != 0)  in input_service_request()
215 		ssh_packet_disconnect(ssh, "bad service request %s", service);  in input_service_request()
262 input_userauth_request(int type, u_int32_t seq, struct ssh *ssh)  in input_userauth_request()  argument
264 	Authctxt *authctxt = ssh->authctxt;  in input_userauth_request()
273 	if ((r = sshpkt_get_cstring(ssh, &user, NULL)) != 0 ||  in input_userauth_request()
274 	    (r = sshpkt_get_cstring(ssh, &service, NULL)) != 0 ||  in input_userauth_request()
275 	    (r = sshpkt_get_cstring(ssh, &method, NULL)) != 0)  in input_userauth_request()
285 		authctxt->pw = PRIVSEP(getpwnamallow(ssh, user));  in input_userauth_request()
294 			PRIVSEP(audit_event(ssh, SSH_INVALID_USER));  in input_userauth_request()
299 			PRIVSEP(start_pam(ssh));  in input_userauth_request()
301 		ssh_packet_set_log_preamble(ssh, "%suser %s",  in input_userauth_request()
309 		userauth_banner(ssh);  in input_userauth_request()
311 			ssh_packet_disconnect(ssh,  in input_userauth_request()
315 		ssh_packet_disconnect(ssh, "Change of username or service "  in input_userauth_request()
320 	auth2_challenge_stop(ssh);  in input_userauth_request()
324 	ssh_dispatch_set(ssh, SSH2_MSG_USERAUTH_GSSAPI_TOKEN, NULL);  in input_userauth_request()
325 	ssh_dispatch_set(ssh, SSH2_MSG_USERAUTH_GSSAPI_EXCHANGE_COMPLETE, NULL);  in input_userauth_request()
336 		authenticated =	m->userauth(ssh);  in input_userauth_request()
341 	userauth_finish(ssh, authenticated, method, NULL);  in input_userauth_request()
351 userauth_finish(struct ssh *ssh, int authenticated, const char *method,  in userauth_finish()  argument
354 	Authctxt *authctxt = ssh->authctxt;  in userauth_finish()
366 	    !auth_root_allowed(ssh, method)) {  in userauth_finish()
369 		PRIVSEP(audit_event(ssh, SSH_LOGIN_ROOT_DENIED));  in userauth_finish()
381 	auth_log(ssh, authenticated, partial, method, submethod);  in userauth_finish()
399 			userauth_send_banner(ssh, sshbuf_ptr(loginmsg));  in userauth_finish()
400 			if ((r = ssh_packet_write_wait(ssh)) != 0) {  in userauth_finish()
401 				sshpkt_fatal(ssh, r,  in userauth_finish()
414 		ssh_dispatch_set(ssh, SSH2_MSG_USERAUTH_REQUEST,  in userauth_finish()
416 		if ((r = sshpkt_start(ssh, SSH2_MSG_USERAUTH_SUCCESS)) != 0 ||  in userauth_finish()
417 		    (r = sshpkt_send(ssh)) != 0 ||  in userauth_finish()
418 		    (r = ssh_packet_write_wait(ssh)) != 0)  in userauth_finish()
422 		ssh_packet_set_log_preamble(ssh, "user %s", authctxt->user);  in userauth_finish()
428 			BLACKLIST_NOTIFY(ssh, BLACKLIST_AUTH_FAIL, "ssh");  in userauth_finish()
432 			PRIVSEP(audit_event(ssh, SSH_LOGIN_EXCEED_MAXTRIES));  in userauth_finish()
434 			auth_maxtries_exceeded(ssh);  in userauth_finish()
439 		if ((r = sshpkt_start(ssh, SSH2_MSG_USERAUTH_FAILURE)) != 0 ||  in userauth_finish()
440 		    (r = sshpkt_put_cstring(ssh, methods)) != 0 ||  in userauth_finish()
441 		    (r = sshpkt_put_u8(ssh, partial)) != 0 ||  in userauth_finish()
442 		    (r = sshpkt_send(ssh)) != 0 ||  in userauth_finish()
443 		    (r = ssh_packet_write_wait(ssh)) != 0)  in userauth_finish()