13e230dd2SCorentin Chary /* 23e230dd2SCorentin Chary * QEMU VNC display driver: SASL auth protocol 33e230dd2SCorentin Chary * 43e230dd2SCorentin Chary * Copyright (C) 2009 Red Hat, Inc 53e230dd2SCorentin Chary * 63e230dd2SCorentin Chary * Permission is hereby granted, free of charge, to any person obtaining a copy 73e230dd2SCorentin Chary * of this software and associated documentation files (the "Software"), to deal 83e230dd2SCorentin Chary * in the Software without restriction, including without limitation the rights 93e230dd2SCorentin Chary * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 103e230dd2SCorentin Chary * copies of the Software, and to permit persons to whom the Software is 113e230dd2SCorentin Chary * furnished to do so, subject to the following conditions: 123e230dd2SCorentin Chary * 133e230dd2SCorentin Chary * The above copyright notice and this permission notice shall be included in 143e230dd2SCorentin Chary * all copies or substantial portions of the Software. 153e230dd2SCorentin Chary * 163e230dd2SCorentin Chary * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 173e230dd2SCorentin Chary * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 183e230dd2SCorentin Chary * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 193e230dd2SCorentin Chary * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 203e230dd2SCorentin Chary * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 213e230dd2SCorentin Chary * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 223e230dd2SCorentin Chary * THE SOFTWARE. 233e230dd2SCorentin Chary */ 243e230dd2SCorentin Chary 252a6a4076SMarkus Armbruster #ifndef QEMU_VNC_AUTH_SASL_H 262a6a4076SMarkus Armbruster #define QEMU_VNC_AUTH_SASL_H 273e230dd2SCorentin Chary 283e230dd2SCorentin Chary #include <sasl/sasl.h> 293e230dd2SCorentin Chary 303e230dd2SCorentin Chary typedef struct VncStateSASL VncStateSASL; 313e230dd2SCorentin Chary typedef struct VncDisplaySASL VncDisplaySASL; 323e230dd2SCorentin Chary 33b76806d4SDaniel P. Berrange #include "authz/base.h" 343e230dd2SCorentin Chary 353e230dd2SCorentin Chary struct VncStateSASL { 363e230dd2SCorentin Chary sasl_conn_t *conn; 373e230dd2SCorentin Chary /* If we want to negotiate an SSF layer with client */ 38ee032ca1SStefan Weil bool wantSSF; 393e230dd2SCorentin Chary /* If we are now running the SSF layer */ 40ee032ca1SStefan Weil bool runSSF; 413e230dd2SCorentin Chary /* 423e230dd2SCorentin Chary * If this is non-zero, then wait for that many bytes 433e230dd2SCorentin Chary * to be written plain, before switching to SSF encoding 443e230dd2SCorentin Chary * This allows the VNC auth result to finish being 453e230dd2SCorentin Chary * written in plain. 463e230dd2SCorentin Chary */ 473e230dd2SCorentin Chary unsigned int waitWriteSSF; 483e230dd2SCorentin Chary 493e230dd2SCorentin Chary /* 503e230dd2SCorentin Chary * Buffering encoded data to allow more clear data 513e230dd2SCorentin Chary * to be stuffed onto the output buffer 523e230dd2SCorentin Chary */ 533e230dd2SCorentin Chary const uint8_t *encoded; 543e230dd2SCorentin Chary unsigned int encodedLength; 558f61f1c5SDaniel P. Berrange unsigned int encodedRawLength; 563e230dd2SCorentin Chary unsigned int encodedOffset; 573e230dd2SCorentin Chary char *username; 583e230dd2SCorentin Chary char *mechlist; 593e230dd2SCorentin Chary }; 603e230dd2SCorentin Chary 613e230dd2SCorentin Chary struct VncDisplaySASL { 62b76806d4SDaniel P. Berrange QAuthZ *authz; 63b76806d4SDaniel P. Berrange char *authzid; 643e230dd2SCorentin Chary }; 653e230dd2SCorentin Chary 66*b65310abSPaolo Bonzini bool vnc_sasl_server_init(Error **errp); 673e230dd2SCorentin Chary void vnc_sasl_client_cleanup(VncState *vs); 683e230dd2SCorentin Chary 6930b80fd5SDaniel P. Berrange size_t vnc_client_read_sasl(VncState *vs); 7030b80fd5SDaniel P. Berrange size_t vnc_client_write_sasl(VncState *vs); 713e230dd2SCorentin Chary 723e230dd2SCorentin Chary void start_auth_sasl(VncState *vs); 733e230dd2SCorentin Chary 742a6a4076SMarkus Armbruster #endif /* QEMU_VNC_AUTH_SASL_H */ 75