1 #ifndef TLS_H 2 #define TLS_H 3 4 /* 5 * Copyright (C) 2009 Vic Lee. 6 * 7 * This is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This software is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this software; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 20 * USA. 21 */ 22 23 /* Handle Anonymous TLS Authentication (18) with the server. 24 * After authentication, client->tlsSession will be set. 25 */ 26 rfbBool HandleAnonTLSAuth(rfbClient* client); 27 28 /* Handle VeNCrypt Authentication (19) with the server. 29 * The callback function GetX509Credential will be called. 30 * After authentication, client->tlsSession will be set. 31 */ 32 rfbBool HandleVeNCryptAuth(rfbClient* client); 33 34 /* Read desired bytes from TLS session. 35 * It's a wrapper function over gnutls_record_recv() and return values 36 * are same as read(), that is, >0 for actual bytes read, 0 for EOF, 37 * or EAGAIN, EINTR. 38 * This should be a non-blocking call. Blocking is handled in sockets.c. 39 */ 40 int ReadFromTLS(rfbClient* client, char *out, unsigned int n); 41 42 /* Write desired bytes to TLS session. 43 * It's a wrapper function over gnutls_record_send() and it will be 44 * blocking call, until all bytes are written or error returned. 45 */ 46 int WriteToTLS(rfbClient* client, char *buf, unsigned int n); 47 48 /* Free TLS resources */ 49 void FreeTLS(rfbClient* client); 50 51 #endif /* TLS_H */ 52
