1366108981
Allow client connections for VNC and socket based character
devices to be passed in over the monitor using SCM_RIGHTS.
One intended usage scenario is to start QEMU with VNC on a
UNIX domain socket. An unprivileged user which cannot access
the UNIX domain socket, can then connect to QEMU's VNC server
by passing an open FD to libvirt, which passes it onto QEMU.
{ "execute": "get_fd", "arguments": { "fdname": "myclient" } }
{ "return": {} }
{ "execute": "add_client", "arguments": { "protocol": "vnc",
"fdname": "myclient",
"skipauth": true } }
{ "return": {} }
In this case 'protocol' can be 'vnc' or 'spice', or the name
of a character device (eg from -chardev id=XXXX)
The 'skipauth' parameter can be used to skip any configured
VNC authentication scheme, which is useful if the mgmt layer
talking to the monitor has already authenticated the client
in another way.
* console.h: Define 'vnc_display_add_client' method
* monitor.c: Implement 'client_add' command
* qemu-char.c, qemu-char.h: Add 'qemu_char_add_client' method
* qerror.c, qerror.h: Add QERR_ADD_CLIENT_FAILED
* qmp-commands.hx: Declare 'client_add' command
* ui/vnc.c: Implement 'vnc_display_add_client' method
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
197 lines
6.1 KiB
C
197 lines
6.1 KiB
C
/*
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* QError Module
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*
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* Copyright (C) 2009 Red Hat Inc.
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*
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* Authors:
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* Luiz Capitulino <lcapitulino@redhat.com>
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*/
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#ifndef QERROR_H
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#define QERROR_H
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#include "qdict.h"
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#include "qstring.h"
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#include "qemu-error.h"
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#include <stdarg.h>
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typedef struct QErrorStringTable {
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const char *desc;
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const char *error_fmt;
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} QErrorStringTable;
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typedef struct QError {
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QObject_HEAD;
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QDict *error;
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Location loc;
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int linenr;
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const char *file;
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const char *func;
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const QErrorStringTable *entry;
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} QError;
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QError *qerror_new(void);
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QError *qerror_from_info(const char *file, int linenr, const char *func,
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const char *fmt, va_list *va) GCC_FMT_ATTR(4, 0);
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QString *qerror_human(const QError *qerror);
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void qerror_print(QError *qerror);
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void qerror_report_internal(const char *file, int linenr, const char *func,
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const char *fmt, ...) GCC_FMT_ATTR(4, 5);
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QString *qerror_format(const char *fmt, QDict *error);
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#define qerror_report(fmt, ...) \
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qerror_report_internal(__FILE__, __LINE__, __func__, fmt, ## __VA_ARGS__)
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QError *qobject_to_qerror(const QObject *obj);
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/*
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* QError class list
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* Please keep the definitions in alphabetical order.
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* Use "grep '^#define QERR_' qerror.h | sort -c" to check.
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*/
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#define QERR_BAD_BUS_FOR_DEVICE \
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"{ 'class': 'BadBusForDevice', 'data': { 'device': %s, 'bad_bus_type': %s } }"
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#define QERR_BUS_NOT_FOUND \
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"{ 'class': 'BusNotFound', 'data': { 'bus': %s } }"
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#define QERR_BUS_NO_HOTPLUG \
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"{ 'class': 'BusNoHotplug', 'data': { 'bus': %s } }"
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#define QERR_COMMAND_NOT_FOUND \
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"{ 'class': 'CommandNotFound', 'data': { 'name': %s } }"
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#define QERR_DEVICE_ENCRYPTED \
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"{ 'class': 'DeviceEncrypted', 'data': { 'device': %s } }"
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#define QERR_DEVICE_INIT_FAILED \
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"{ 'class': 'DeviceInitFailed', 'data': { 'device': %s } }"
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#define QERR_DEVICE_IN_USE \
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"{ 'class': 'DeviceInUse', 'data': { 'device': %s } }"
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#define QERR_DEVICE_LOCKED \
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"{ 'class': 'DeviceLocked', 'data': { 'device': %s } }"
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#define QERR_DEVICE_MULTIPLE_BUSSES \
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"{ 'class': 'DeviceMultipleBusses', 'data': { 'device': %s } }"
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#define QERR_DEVICE_NOT_ACTIVE \
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"{ 'class': 'DeviceNotActive', 'data': { 'device': %s } }"
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#define QERR_DEVICE_NOT_ENCRYPTED \
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"{ 'class': 'DeviceNotEncrypted', 'data': { 'device': %s } }"
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#define QERR_DEVICE_NOT_FOUND \
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"{ 'class': 'DeviceNotFound', 'data': { 'device': %s } }"
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#define QERR_DEVICE_NOT_REMOVABLE \
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"{ 'class': 'DeviceNotRemovable', 'data': { 'device': %s } }"
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#define QERR_DEVICE_NO_BUS \
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"{ 'class': 'DeviceNoBus', 'data': { 'device': %s } }"
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#define QERR_DEVICE_NO_HOTPLUG \
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"{ 'class': 'DeviceNoHotplug', 'data': { 'device': %s } }"
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#define QERR_DUPLICATE_ID \
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"{ 'class': 'DuplicateId', 'data': { 'id': %s, 'object': %s } }"
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#define QERR_FD_NOT_FOUND \
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"{ 'class': 'FdNotFound', 'data': { 'name': %s } }"
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#define QERR_FD_NOT_SUPPLIED \
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"{ 'class': 'FdNotSupplied', 'data': {} }"
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#define QERR_INVALID_BLOCK_FORMAT \
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"{ 'class': 'InvalidBlockFormat', 'data': { 'name': %s } }"
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#define QERR_INVALID_PARAMETER \
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"{ 'class': 'InvalidParameter', 'data': { 'name': %s } }"
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#define QERR_INVALID_PARAMETER_TYPE \
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"{ 'class': 'InvalidParameterType', 'data': { 'name': %s,'expected': %s } }"
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#define QERR_INVALID_PARAMETER_VALUE \
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"{ 'class': 'InvalidParameterValue', 'data': { 'name': %s, 'expected': %s } }"
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#define QERR_INVALID_PASSWORD \
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"{ 'class': 'InvalidPassword', 'data': {} }"
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#define QERR_JSON_PARSING \
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"{ 'class': 'JSONParsing', 'data': {} }"
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#define QERR_JSON_PARSE_ERROR \
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"{ 'class': 'JSONParseError', 'data': { 'message': %s } }"
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#define QERR_BUFFER_OVERRUN \
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"{ 'class': 'BufferOverrun', 'data': {} }"
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#define QERR_KVM_MISSING_CAP \
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"{ 'class': 'KVMMissingCap', 'data': { 'capability': %s, 'feature': %s } }"
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#define QERR_MIGRATION_EXPECTED \
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"{ 'class': 'MigrationExpected', 'data': {} }"
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#define QERR_MISSING_PARAMETER \
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"{ 'class': 'MissingParameter', 'data': { 'name': %s } }"
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#define QERR_NO_BUS_FOR_DEVICE \
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"{ 'class': 'NoBusForDevice', 'data': { 'device': %s, 'bus': %s } }"
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#define QERR_OPEN_FILE_FAILED \
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"{ 'class': 'OpenFileFailed', 'data': { 'filename': %s } }"
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#define QERR_PROPERTY_NOT_FOUND \
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"{ 'class': 'PropertyNotFound', 'data': { 'device': %s, 'property': %s } }"
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#define QERR_PROPERTY_VALUE_BAD \
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"{ 'class': 'PropertyValueBad', 'data': { 'device': %s, 'property': %s, 'value': %s } }"
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#define QERR_PROPERTY_VALUE_IN_USE \
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"{ 'class': 'PropertyValueInUse', 'data': { 'device': %s, 'property': %s, 'value': %s } }"
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#define QERR_PROPERTY_VALUE_NOT_FOUND \
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"{ 'class': 'PropertyValueNotFound', 'data': { 'device': %s, 'property': %s, 'value': %s } }"
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#define QERR_QMP_BAD_INPUT_OBJECT \
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"{ 'class': 'QMPBadInputObject', 'data': { 'expected': %s } }"
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#define QERR_QMP_BAD_INPUT_OBJECT_MEMBER \
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"{ 'class': 'QMPBadInputObjectMember', 'data': { 'member': %s, 'expected': %s } }"
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#define QERR_QMP_EXTRA_MEMBER \
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"{ 'class': 'QMPExtraInputObjectMember', 'data': { 'member': %s } }"
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#define QERR_SET_PASSWD_FAILED \
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"{ 'class': 'SetPasswdFailed', 'data': {} }"
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#define QERR_ADD_CLIENT_FAILED \
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"{ 'class': 'AddClientFailed', 'data': {} }"
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#define QERR_TOO_MANY_FILES \
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"{ 'class': 'TooManyFiles', 'data': {} }"
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#define QERR_UNDEFINED_ERROR \
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"{ 'class': 'UndefinedError', 'data': {} }"
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#define QERR_UNSUPPORTED \
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"{ 'class': 'Unsupported', 'data': {} }"
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#define QERR_UNKNOWN_BLOCK_FORMAT_FEATURE \
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"{ 'class': 'UnknownBlockFormatFeature', 'data': { 'device': %s, 'format': %s, 'feature': %s } }"
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#define QERR_VNC_SERVER_FAILED \
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"{ 'class': 'VNCServerFailed', 'data': { 'target': %s } }"
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#define QERR_FEATURE_DISABLED \
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"{ 'class': 'FeatureDisabled', 'data': { 'name': %s } }"
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#define QERR_QGA_LOGGING_FAILED \
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"{ 'class': 'QgaLoggingFailed', 'data': {} }"
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#define QERR_QGA_COMMAND_FAILED \
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"{ 'class': 'QgaCommandFailed', 'data': { 'message': %s } }"
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#endif /* QERROR_H */
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