qemu/ui/ui-hmp-cmds.c
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   1/*
   2 * HMP commands related to UI
   3 *
   4 * Copyright IBM, Corp. 2011
   5 *
   6 * Authors:
   7 *  Anthony Liguori   <aliguori@us.ibm.com>
   8 *
   9 * This work is licensed under the terms of the GNU GPL, version 2.  See
  10 * the COPYING file in the top-level directory.
  11 *
  12 * Contributions after 2012-01-13 are licensed under the terms of the
  13 * GNU GPL, version 2 or (at your option) any later version.
  14 */
  15
  16#include "qemu/osdep.h"
  17#ifdef CONFIG_SPICE
  18#include <spice/enums.h>
  19#endif
  20#include "monitor/hmp.h"
  21#include "monitor/monitor-internal.h"
  22#include "qapi/error.h"
  23#include "qapi/qapi-commands-ui.h"
  24#include "qapi/qmp/qdict.h"
  25#include "qemu/cutils.h"
  26#include "ui/console.h"
  27#include "ui/input.h"
  28
  29static int mouse_button_state;
  30
  31void hmp_mouse_move(Monitor *mon, const QDict *qdict)
  32{
  33    int dx, dy, dz, button;
  34    const char *dx_str = qdict_get_str(qdict, "dx_str");
  35    const char *dy_str = qdict_get_str(qdict, "dy_str");
  36    const char *dz_str = qdict_get_try_str(qdict, "dz_str");
  37
  38    dx = strtol(dx_str, NULL, 0);
  39    dy = strtol(dy_str, NULL, 0);
  40    qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
  41    qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
  42
  43    if (dz_str) {
  44        dz = strtol(dz_str, NULL, 0);
  45        if (dz != 0) {
  46            button = (dz > 0) ? INPUT_BUTTON_WHEEL_UP : INPUT_BUTTON_WHEEL_DOWN;
  47            qemu_input_queue_btn(NULL, button, true);
  48            qemu_input_event_sync();
  49            qemu_input_queue_btn(NULL, button, false);
  50        }
  51    }
  52    qemu_input_event_sync();
  53}
  54
  55void hmp_mouse_button(Monitor *mon, const QDict *qdict)
  56{
  57    static uint32_t bmap[INPUT_BUTTON__MAX] = {
  58        [INPUT_BUTTON_LEFT]       = MOUSE_EVENT_LBUTTON,
  59        [INPUT_BUTTON_MIDDLE]     = MOUSE_EVENT_MBUTTON,
  60        [INPUT_BUTTON_RIGHT]      = MOUSE_EVENT_RBUTTON,
  61    };
  62    int button_state = qdict_get_int(qdict, "button_state");
  63
  64    if (mouse_button_state == button_state) {
  65        return;
  66    }
  67    qemu_input_update_buttons(NULL, bmap, mouse_button_state, button_state);
  68    qemu_input_event_sync();
  69    mouse_button_state = button_state;
  70}
  71
  72void hmp_mouse_set(Monitor *mon, const QDict *qdict)
  73{
  74    Error *err = NULL;
  75
  76    qemu_mouse_set(qdict_get_int(qdict, "index"), &err);
  77    hmp_handle_error(mon, err);
  78}
  79
  80void hmp_info_mice(Monitor *mon, const QDict *qdict)
  81{
  82    MouseInfoList *mice_list, *mouse;
  83
  84    mice_list = qmp_query_mice(NULL);
  85    if (!mice_list) {
  86        monitor_printf(mon, "No mouse devices connected\n");
  87        return;
  88    }
  89
  90    for (mouse = mice_list; mouse; mouse = mouse->next) {
  91        monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
  92                       mouse->value->current ? '*' : ' ',
  93                       mouse->value->index, mouse->value->name,
  94                       mouse->value->absolute ? " (absolute)" : "");
  95    }
  96
  97    qapi_free_MouseInfoList(mice_list);
  98}
  99
 100#ifdef CONFIG_VNC
 101/* Helper for hmp_info_vnc_clients, _servers */
 102static void hmp_info_VncBasicInfo(Monitor *mon, VncBasicInfo *info,
 103                                  const char *name)
 104{
 105    monitor_printf(mon, "  %s: %s:%s (%s%s)\n",
 106                   name,
 107                   info->host,
 108                   info->service,
 109                   NetworkAddressFamily_str(info->family),
 110                   info->websocket ? " (Websocket)" : "");
 111}
 112
 113/* Helper displaying and auth and crypt info */
 114static void hmp_info_vnc_authcrypt(Monitor *mon, const char *indent,
 115                                   VncPrimaryAuth auth,
 116                                   VncVencryptSubAuth *vencrypt)
 117{
 118    monitor_printf(mon, "%sAuth: %s (Sub: %s)\n", indent,
 119                   VncPrimaryAuth_str(auth),
 120                   vencrypt ? VncVencryptSubAuth_str(*vencrypt) : "none");
 121}
 122
 123static void hmp_info_vnc_clients(Monitor *mon, VncClientInfoList *client)
 124{
 125    while (client) {
 126        VncClientInfo *cinfo = client->value;
 127
 128        hmp_info_VncBasicInfo(mon, qapi_VncClientInfo_base(cinfo), "Client");
 129        monitor_printf(mon, "    x509_dname: %s\n",
 130                       cinfo->x509_dname ?: "none");
 131        monitor_printf(mon, "    sasl_username: %s\n",
 132                       cinfo->sasl_username ?: "none");
 133
 134        client = client->next;
 135    }
 136}
 137
 138static void hmp_info_vnc_servers(Monitor *mon, VncServerInfo2List *server)
 139{
 140    while (server) {
 141        VncServerInfo2 *sinfo = server->value;
 142        hmp_info_VncBasicInfo(mon, qapi_VncServerInfo2_base(sinfo), "Server");
 143        hmp_info_vnc_authcrypt(mon, "    ", sinfo->auth,
 144                               sinfo->has_vencrypt ? &sinfo->vencrypt : NULL);
 145        server = server->next;
 146    }
 147}
 148
 149void hmp_info_vnc(Monitor *mon, const QDict *qdict)
 150{
 151    VncInfo2List *info2l, *info2l_head;
 152    Error *err = NULL;
 153
 154    info2l = qmp_query_vnc_servers(&err);
 155    info2l_head = info2l;
 156    if (hmp_handle_error(mon, err)) {
 157        return;
 158    }
 159    if (!info2l) {
 160        monitor_printf(mon, "None\n");
 161        return;
 162    }
 163
 164    while (info2l) {
 165        VncInfo2 *info = info2l->value;
 166        monitor_printf(mon, "%s:\n", info->id);
 167        hmp_info_vnc_servers(mon, info->server);
 168        hmp_info_vnc_clients(mon, info->clients);
 169        if (!info->server) {
 170            /*
 171             * The server entry displays its auth, we only need to
 172             * display in the case of 'reverse' connections where
 173             * there's no server.
 174             */
 175            hmp_info_vnc_authcrypt(mon, "  ", info->auth,
 176                               info->has_vencrypt ? &info->vencrypt : NULL);
 177        }
 178        if (info->display) {
 179            monitor_printf(mon, "  Display: %s\n", info->display);
 180        }
 181        info2l = info2l->next;
 182    }
 183
 184    qapi_free_VncInfo2List(info2l_head);
 185
 186}
 187#endif
 188
 189#ifdef CONFIG_SPICE
 190void hmp_info_spice(Monitor *mon, const QDict *qdict)
 191{
 192    SpiceChannelList *chan;
 193    SpiceInfo *info;
 194    const char *channel_name;
 195    static const char *const channel_names[] = {
 196        [SPICE_CHANNEL_MAIN] = "main",
 197        [SPICE_CHANNEL_DISPLAY] = "display",
 198        [SPICE_CHANNEL_INPUTS] = "inputs",
 199        [SPICE_CHANNEL_CURSOR] = "cursor",
 200        [SPICE_CHANNEL_PLAYBACK] = "playback",
 201        [SPICE_CHANNEL_RECORD] = "record",
 202        [SPICE_CHANNEL_TUNNEL] = "tunnel",
 203        [SPICE_CHANNEL_SMARTCARD] = "smartcard",
 204        [SPICE_CHANNEL_USBREDIR] = "usbredir",
 205        [SPICE_CHANNEL_PORT] = "port",
 206        [SPICE_CHANNEL_WEBDAV] = "webdav",
 207    };
 208
 209    info = qmp_query_spice(NULL);
 210
 211    if (!info->enabled) {
 212        monitor_printf(mon, "Server: disabled\n");
 213        goto out;
 214    }
 215
 216    monitor_printf(mon, "Server:\n");
 217    if (info->has_port) {
 218        monitor_printf(mon, "     address: %s:%" PRId64 "\n",
 219                       info->host, info->port);
 220    }
 221    if (info->has_tls_port) {
 222        monitor_printf(mon, "     address: %s:%" PRId64 " [tls]\n",
 223                       info->host, info->tls_port);
 224    }
 225    monitor_printf(mon, "    migrated: %s\n",
 226                   info->migrated ? "true" : "false");
 227    monitor_printf(mon, "        auth: %s\n", info->auth);
 228    monitor_printf(mon, "    compiled: %s\n", info->compiled_version);
 229    monitor_printf(mon, "  mouse-mode: %s\n",
 230                   SpiceQueryMouseMode_str(info->mouse_mode));
 231
 232    if (!info->has_channels || info->channels == NULL) {
 233        monitor_printf(mon, "Channels: none\n");
 234    } else {
 235        for (chan = info->channels; chan; chan = chan->next) {
 236            monitor_printf(mon, "Channel:\n");
 237            monitor_printf(mon, "     address: %s:%s%s\n",
 238                           chan->value->host, chan->value->port,
 239                           chan->value->tls ? " [tls]" : "");
 240            monitor_printf(mon, "     session: %" PRId64 "\n",
 241                           chan->value->connection_id);
 242            monitor_printf(mon, "     channel: %" PRId64 ":%" PRId64 "\n",
 243                           chan->value->channel_type, chan->value->channel_id);
 244
 245            channel_name = "unknown";
 246            if (chan->value->channel_type > 0 &&
 247                chan->value->channel_type < ARRAY_SIZE(channel_names) &&
 248                channel_names[chan->value->channel_type]) {
 249                channel_name = channel_names[chan->value->channel_type];
 250            }
 251
 252            monitor_printf(mon, "     channel name: %s\n", channel_name);
 253        }
 254    }
 255
 256out:
 257    qapi_free_SpiceInfo(info);
 258}
 259#endif
 260
 261void hmp_set_password(Monitor *mon, const QDict *qdict)
 262{
 263    const char *protocol  = qdict_get_str(qdict, "protocol");
 264    const char *password  = qdict_get_str(qdict, "password");
 265    const char *display = qdict_get_try_str(qdict, "display");
 266    const char *connected = qdict_get_try_str(qdict, "connected");
 267    Error *err = NULL;
 268
 269    SetPasswordOptions opts = {
 270        .password = (char *)password,
 271        .has_connected = !!connected,
 272    };
 273
 274    opts.connected = qapi_enum_parse(&SetPasswordAction_lookup, connected,
 275                                     SET_PASSWORD_ACTION_KEEP, &err);
 276    if (err) {
 277        goto out;
 278    }
 279
 280    opts.protocol = qapi_enum_parse(&DisplayProtocol_lookup, protocol,
 281                                    DISPLAY_PROTOCOL_VNC, &err);
 282    if (err) {
 283        goto out;
 284    }
 285
 286    if (opts.protocol == DISPLAY_PROTOCOL_VNC) {
 287        opts.u.vnc.display = (char *)display;
 288    }
 289
 290    qmp_set_password(&opts, &err);
 291
 292out:
 293    hmp_handle_error(mon, err);
 294}
 295
 296void hmp_expire_password(Monitor *mon, const QDict *qdict)
 297{
 298    const char *protocol  = qdict_get_str(qdict, "protocol");
 299    const char *whenstr = qdict_get_str(qdict, "time");
 300    const char *display = qdict_get_try_str(qdict, "display");
 301    Error *err = NULL;
 302
 303    ExpirePasswordOptions opts = {
 304        .time = (char *)whenstr,
 305    };
 306
 307    opts.protocol = qapi_enum_parse(&DisplayProtocol_lookup, protocol,
 308                                    DISPLAY_PROTOCOL_VNC, &err);
 309    if (err) {
 310        goto out;
 311    }
 312
 313    if (opts.protocol == DISPLAY_PROTOCOL_VNC) {
 314        opts.u.vnc.display = (char *)display;
 315    }
 316
 317    qmp_expire_password(&opts, &err);
 318
 319out:
 320    hmp_handle_error(mon, err);
 321}
 322
 323#ifdef CONFIG_VNC
 324static void hmp_change_read_arg(void *opaque, const char *password,
 325                                void *readline_opaque)
 326{
 327    qmp_change_vnc_password(password, NULL);
 328    monitor_read_command(opaque, 1);
 329}
 330
 331void hmp_change_vnc(Monitor *mon, const char *device, const char *target,
 332                    const char *arg, const char *read_only, bool force,
 333                    Error **errp)
 334{
 335    if (read_only) {
 336        error_setg(errp, "Parameter 'read-only-mode' is invalid for VNC");
 337        return;
 338    }
 339    if (strcmp(target, "passwd") && strcmp(target, "password")) {
 340        error_setg(errp, "Expected 'password' after 'vnc'");
 341        return;
 342    }
 343    if (!arg) {
 344        MonitorHMP *hmp_mon = container_of(mon, MonitorHMP, common);
 345        monitor_read_password(hmp_mon, hmp_change_read_arg, NULL);
 346    } else {
 347        qmp_change_vnc_password(arg, errp);
 348    }
 349}
 350#endif
 351
 352void hmp_sendkey(Monitor *mon, const QDict *qdict)
 353{
 354    const char *keys = qdict_get_str(qdict, "keys");
 355    KeyValue *v = NULL;
 356    KeyValueList *head = NULL, **tail = &head;
 357    int has_hold_time = qdict_haskey(qdict, "hold-time");
 358    int hold_time = qdict_get_try_int(qdict, "hold-time", -1);
 359    Error *err = NULL;
 360    const char *separator;
 361    int keyname_len;
 362
 363    while (1) {
 364        separator = qemu_strchrnul(keys, '-');
 365        keyname_len = separator - keys;
 366
 367        /* Be compatible with old interface, convert user inputted "<" */
 368        if (keys[0] == '<' && keyname_len == 1) {
 369            keys = "less";
 370            keyname_len = 4;
 371        }
 372
 373        v = g_malloc0(sizeof(*v));
 374
 375        if (strstart(keys, "0x", NULL)) {
 376            const char *endp;
 377            int value;
 378
 379            if (qemu_strtoi(keys, &endp, 0, &value) < 0) {
 380                goto err_out;
 381            }
 382            assert(endp <= keys + keyname_len);
 383            if (endp != keys + keyname_len) {
 384                goto err_out;
 385            }
 386            v->type = KEY_VALUE_KIND_NUMBER;
 387            v->u.number.data = value;
 388        } else {
 389            int idx = index_from_key(keys, keyname_len);
 390            if (idx == Q_KEY_CODE__MAX) {
 391                goto err_out;
 392            }
 393            v->type = KEY_VALUE_KIND_QCODE;
 394            v->u.qcode.data = idx;
 395        }
 396        QAPI_LIST_APPEND(tail, v);
 397        v = NULL;
 398
 399        if (!*separator) {
 400            break;
 401        }
 402        keys = separator + 1;
 403    }
 404
 405    qmp_send_key(head, has_hold_time, hold_time, &err);
 406    hmp_handle_error(mon, err);
 407
 408out:
 409    qapi_free_KeyValue(v);
 410    qapi_free_KeyValueList(head);
 411    return;
 412
 413err_out:
 414    monitor_printf(mon, "invalid parameter: %.*s\n", keyname_len, keys);
 415    goto out;
 416}
 417
 418void sendkey_completion(ReadLineState *rs, int nb_args, const char *str)
 419{
 420    int i;
 421    char *sep;
 422    size_t len;
 423
 424    if (nb_args != 2) {
 425        return;
 426    }
 427    sep = strrchr(str, '-');
 428    if (sep) {
 429        str = sep + 1;
 430    }
 431    len = strlen(str);
 432    readline_set_completion_index(rs, len);
 433    for (i = 0; i < Q_KEY_CODE__MAX; i++) {
 434        if (!strncmp(str, QKeyCode_str(i), len)) {
 435            readline_add_completion(rs, QKeyCode_str(i));
 436        }
 437    }
 438}
 439
 440void coroutine_fn
 441hmp_screendump(Monitor *mon, const QDict *qdict)
 442{
 443    const char *filename = qdict_get_str(qdict, "filename");
 444    const char *id = qdict_get_try_str(qdict, "device");
 445    int64_t head = qdict_get_try_int(qdict, "head", 0);
 446    const char *input_format  = qdict_get_try_str(qdict, "format");
 447    Error *err = NULL;
 448    ImageFormat format;
 449
 450    format = qapi_enum_parse(&ImageFormat_lookup, input_format,
 451                              IMAGE_FORMAT_PPM, &err);
 452    if (err) {
 453        goto end;
 454    }
 455
 456    qmp_screendump(filename, id, id != NULL, head,
 457                   input_format != NULL, format, &err);
 458end:
 459    hmp_handle_error(mon, err);
 460}
 461