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 "qemu/acl.h" 36 #include "qemu/main-loop.h" 37 38 struct VncStateSASL { 39 sasl_conn_t *conn; 40 /* If we want to negotiate an SSF layer with client */ 41 bool wantSSF; 42 /* If we are now running the SSF layer */ 43 bool runSSF; 44 /* 45 * If this is non-zero, then wait for that many bytes 46 * to be written plain, before switching to SSF encoding 47 * This allows the VNC auth result to finish being 48 * written in plain. 49 */ 50 unsigned int waitWriteSSF; 51 52 /* 53 * Buffering encoded data to allow more clear data 54 * to be stuffed onto the output buffer 55 */ 56 const uint8_t *encoded; 57 unsigned int encodedLength; 58 unsigned int encodedOffset; 59 char *username; 60 char *mechlist; 61 }; 62 63 struct VncDisplaySASL { 64 qemu_acl *acl; 65 }; 66 67 void vnc_sasl_client_cleanup(VncState *vs); 68 69 long vnc_client_read_sasl(VncState *vs); 70 long vnc_client_write_sasl(VncState *vs); 71 72 void start_auth_sasl(VncState *vs); 73 74 #endif /* __QEMU_VNC_AUTH_SASL_H__ */ 75 76