LXR qemu/ui/vnc-auth-sasl.h

   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#ifndef QEMU_VNC_AUTH_SASL_H
  26#define QEMU_VNC_AUTH_SASL_H
  27
  28#include <sasl/sasl.h>
  29
  30typedef struct VncStateSASL VncStateSASL;
  31typedef struct VncDisplaySASL VncDisplaySASL;
  32
  33#include "qemu/acl.h"
  34#include "qemu/main-loop.h"
  35
  36struct VncStateSASL {
  37    sasl_conn_t *conn;
  38    /* If we want to negotiate an SSF layer with client */
  39    bool wantSSF;
  40    /* If we are now running the SSF layer */
  41    bool runSSF;
  42    /*
  43     * If this is non-zero, then wait for that many bytes
  44     * to be written plain, before switching to SSF encoding
  45     * This allows the VNC auth result to finish being
  46     * written in plain.
  47     */
  48    unsigned int waitWriteSSF;
  49
  50    /*
  51     * Buffering encoded data to allow more clear data
  52     * to be stuffed onto the output buffer
  53     */
  54    const uint8_t *encoded;
  55    unsigned int encodedLength;
  56    unsigned int encodedRawLength;
  57    unsigned int encodedOffset;
  58    char *username;
  59    char *mechlist;
  60};
  61
  62struct VncDisplaySASL {
  63    qemu_acl *acl;
  64};
  65
  66void vnc_sasl_client_cleanup(VncState *vs);
  67
  68size_t vnc_client_read_sasl(VncState *vs);
  69size_t vnc_client_write_sasl(VncState *vs);
  70
  71void start_auth_sasl(VncState *vs);
  72
  73#endif /* QEMU_VNC_AUTH_SASL_H */
  74