aboutsummaryrefslogtreecommitdiffstats
path: root/ansible/numa_pin_teardown.yaml
AgeCommit message (Expand)AuthorFilesLines
2017-03-08Add NUMA pinning support for node contextJingLu51-0/+23
a id='n78' href='#n78'>78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 
/*
 * QEMU VNC display driver: VeNCrypt authentication setup
 *
 * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws>
 * Copyright (C) 2006 Fabrice Bellard
 * Copyright (C) 2009 Red Hat, Inc
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "qemu/osdep.h"
#include "vnc.h"
#include "qapi/error.h"
#include "qemu/main-loop.h"

static void start_auth_vencrypt_subauth(VncState *vs)
{
    switch (vs->subauth) {
    case VNC_AUTH_VENCRYPT_TLSNONE:
    case VNC_AUTH_VENCRYPT_X509NONE:
       VNC_DEBUG("Accept TLS auth none\n");
       vnc_write_u32(vs, 0); /* Accept auth completion */
       start_client_init(vs);
       break;

    case VNC_AUTH_VENCRYPT_TLSVNC:
    case VNC_AUTH_VENCRYPT_X509VNC:
       VNC_DEBUG("Start TLS auth VNC\n");
       start_auth_vnc(vs);
       break;

#ifdef CONFIG_VNC_SASL
    case VNC_AUTH_VENCRYPT_TLSSASL:
    case VNC_AUTH_VENCRYPT_X509SASL:
      VNC_DEBUG("Start TLS auth SASL\n");
      start_auth_sasl(vs);
      break;
#endif /* CONFIG_VNC_SASL */

    default: /* Should not be possible, but just in case */
       VNC_DEBUG("Reject subauth %d server bug\n", vs->auth);
       vnc_write_u8(vs, 1);
       if (vs->minor >= 8) {
           static const char err[] = "Unsupported authentication type";
           vnc_write_u32(vs, sizeof(err));
           vnc_write(vs, err, sizeof(err));
       }
       vnc_client_error(vs);
    }
}

static void vnc_tls_handshake_done(Object *source,
                                   Error *err,
                                   gpointer user_data)
{
    VncState *vs = user_data;

    if (err) {
        VNC_DEBUG("Handshake failed %s\n",
                  error_get_pretty(err));
        vnc_client_error(vs);
    } else {
        vs->ioc_tag = qio_channel_add_watch(
            vs->ioc, G_IO_IN | G_IO_OUT, vnc_client_io, vs, NULL);
        start_auth_vencrypt_subauth(vs);
    }
}


static int protocol_client_vencrypt_auth(VncState *vs, uint8_t *data, size_t len)
{
    int auth = read_u32(data, 0);

    if (auth != vs->subauth) {
        VNC_DEBUG("Rejecting auth %d\n", auth);
        vnc_write_u8(vs, 0); /* Reject auth */
        vnc_flush(vs);
        vnc_client_error(vs);
    } else {
        Error *err = NULL;
        QIOChannelTLS *tls;
        VNC_DEBUG("Accepting auth %d, setting up TLS for handshake\n", auth);
        vnc_write_u8(vs, 1); /* Accept auth */
        vnc_flush(vs);

        if (vs->ioc_tag) {
            g_source_remove(vs->ioc_tag);
            vs->ioc_tag = 0;
        }

        tls = qio_channel_tls_new_server(
            vs->ioc,
            vs->vd->tlscreds,
            vs->vd->tlsaclname,
            &err);
        if (!tls) {
            VNC_DEBUG("Failed to setup TLS %s\n", error_get_pretty(err));
            error_free(err);
            vnc_client_error(vs);
            return 0;
        }

        VNC_DEBUG("Start TLS VeNCrypt handshake process\n");
        object_unref(OBJECT(vs->ioc));
        vs->ioc = QIO_CHANNEL(tls);
        vs->tls = qio_channel_tls_get_session(tls);

        qio_channel_tls_handshake(tls,
                                  vnc_tls_handshake_done,
                                  vs,
                                  NULL);
    }
    return 0;
}

static int protocol_client_vencrypt_init(VncState *vs, uint8_t *data, size_t len)
{
    if (data[0] != 0 ||
        data[1] != 2) {
        VNC_DEBUG("Unsupported VeNCrypt protocol %d.%d\n", (int)data[0], (int)data[1]);
        vnc_write_u8(vs, 1); /* Reject version */
        vnc_flush(vs);
        vnc_client_error(vs);
    } else {
        VNC_DEBUG("Sending allowed auth %d\n", vs->subauth);
        vnc_write_u8(vs, 0); /* Accept version */
        vnc_write_u8(vs, 1); /* Number of sub-auths */
        vnc_write_u32(vs, vs->subauth); /* The supported auth */
        vnc_flush(vs);
        vnc_read_when(vs, protocol_client_vencrypt_auth, 4);
    }
    return 0;
}


void start_auth_vencrypt(VncState *vs)
{
    /* Send VeNCrypt version 0.2 */
    vnc_write_u8(vs, 0);
    vnc_write_u8(vs, 2);

    vnc_read_when(vs, protocol_client_vencrypt_init, 2);
}