1 /* 2 * QEMU VNC display driver: SASL auth protocol 3 * 4 * Copyright (C) 2009 Red Hat, Inc 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 26 #ifndef __QEMU_VNC_AUTH_SASL_H__ 27 #define __QEMU_VNC_AUTH_SASL_H__ 28 29 30 #include <sasl/sasl.h> 31 32 typedef struct VncStateSASL VncStateSASL; 33 typedef struct VncDisplaySASL VncDisplaySASL; 34 35 #include "acl.h" 36 37 struct VncStateSASL { 38 sasl_conn_t *conn; 39 /* If we want to negotiate an SSF layer with client */ 40 bool wantSSF; 41 /* If we are now running the SSF layer */ 42 bool runSSF; 43 /* 44 * If this is non-zero, then wait for that many bytes 45 * to be written plain, before switching to SSF encoding 46 * This allows the VNC auth result to finish being 47 * written in plain. 48 */ 49 unsigned int waitWriteSSF; 50 51 /* 52 * Buffering encoded data to allow more clear data 53 * to be stuffed onto the output buffer 54 */ 55 const uint8_t *encoded; 56 unsigned int encodedLength; 57 unsigned int encodedOffset; 58 char *username; 59 char *mechlist; 60 }; 61 62 struct VncDisplaySASL { 63 qemu_acl *acl; 64 }; 65 66 void vnc_sasl_client_cleanup(VncState *vs); 67 68 long vnc_client_read_sasl(VncState *vs); 69 long vnc_client_write_sasl(VncState *vs); 70 71 void start_auth_sasl(VncState *vs); 72 73 #endif /* __QEMU_VNC_AUTH_SASL_H__ */ 74 75