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ea48397b01
https://bugzilla.redhat.com/show_bug.cgi?id=872166 When the login session doesn't have an ssh -X type display agent in order for libvirtd to run the polkit session authentication, attempts to run 'virsh -c qemu:///system list' from an unauthorized user (or one that isn't part of the libvirt /etc/group) will fail with the following error from libvirtd: error: authentication unavailable: no polkit agent available to authenticate action 'org.libvirt.unix.manage' In order to handle the local authentication, we will use the new virPolkitAgentCreate API in order to create a text based authentication agent for our non readonly session to authenticate with. The new code will execute in a loop allowing 5 failures to authenticate before failing out. With this patch in place, the following occurs: $ virsh -c qemu:///system list ==== AUTHENTICATING FOR org.libvirt.unix.manage === System policy prevents management of local virtualized systems Authenticating as: Some User (SUser) Password: ==== AUTHENTICATION COMPLETE === Id Name State ---------------------------------------------------- 1 somedomain running $
154 lines
5.9 KiB
C
154 lines
5.9 KiB
C
/*
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* virsh.h: a shell to exercise the libvirt API
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*
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* Copyright (C) 2005, 2007-2016 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Daniel Veillard <veillard@redhat.com>
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* Karel Zak <kzak@redhat.com>
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* Daniel P. Berrange <berrange@redhat.com>
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*/
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#ifndef VIRSH_H
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# define VIRSH_H
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# include <stdio.h>
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# include <stdlib.h>
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# include <string.h>
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# include <stdarg.h>
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# include <unistd.h>
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# include <sys/stat.h>
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# include <termios.h>
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# include "internal.h"
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# include "virerror.h"
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# include "virthread.h"
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# include "virpolkit.h"
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# include "vsh.h"
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# define VIRSH_PROMPT_RW "virsh # "
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# define VIRSH_PROMPT_RO "virsh > "
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# define VIR_FROM_THIS VIR_FROM_NONE
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/*
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* Command group types
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*/
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# define VIRSH_CMD_GRP_DOM_MANAGEMENT "Domain Management"
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# define VIRSH_CMD_GRP_DOM_MONITORING "Domain Monitoring"
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# define VIRSH_CMD_GRP_STORAGE_POOL "Storage Pool"
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# define VIRSH_CMD_GRP_STORAGE_VOL "Storage Volume"
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# define VIRSH_CMD_GRP_NETWORK "Networking"
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# define VIRSH_CMD_GRP_NODEDEV "Node Device"
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# define VIRSH_CMD_GRP_IFACE "Interface"
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# define VIRSH_CMD_GRP_NWFILTER "Network Filter"
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# define VIRSH_CMD_GRP_SECRET "Secret"
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# define VIRSH_CMD_GRP_SNAPSHOT "Snapshot"
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# define VIRSH_CMD_GRP_HOST_AND_HV "Host and Hypervisor"
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# define VIRSH_CMD_GRP_VIRSH "Virsh itself"
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/*
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* Common command options
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*/
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# define VIRSH_COMMON_OPT_POOL(_helpstr) \
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{.name = "pool", \
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.type = VSH_OT_DATA, \
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.flags = VSH_OFLAG_REQ, \
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.help = _helpstr \
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} \
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# define VIRSH_COMMON_OPT_DOMAIN(_helpstr) \
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{.name = "domain", \
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.type = VSH_OT_DATA, \
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.flags = VSH_OFLAG_REQ, \
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.help = _helpstr \
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} \
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# define VIRSH_COMMON_OPT_CONFIG(_helpstr) \
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{.name = "config", \
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.type = VSH_OT_BOOL, \
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.help = _helpstr \
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} \
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# define VIRSH_COMMON_OPT_LIVE(_helpstr) \
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{.name = "live", \
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.type = VSH_OT_BOOL, \
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.help = _helpstr \
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} \
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# define VIRSH_COMMON_OPT_CURRENT(_helpstr) \
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{.name = "current", \
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.type = VSH_OT_BOOL, \
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.help = _helpstr \
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} \
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# define VIRSH_COMMON_OPT_FILE(_helpstr) \
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{.name = "file", \
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.type = VSH_OT_DATA, \
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.flags = VSH_OFLAG_REQ, \
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.help = _helpstr \
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} \
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typedef struct _virshControl virshControl;
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typedef virshControl *virshControlPtr;
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typedef struct _virshCtrlData virshCtrlData;
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/*
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* vshControl
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*/
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struct _virshControl {
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virConnectPtr conn; /* connection to hypervisor (MAY BE NULL) */
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bool readonly; /* connect readonly (first time only, not
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* during explicit connect command)
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*/
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bool useGetInfo; /* must use virDomainGetInfo, since
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virDomainGetState is not supported */
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bool useSnapshotOld; /* cannot use virDomainSnapshotGetParent or
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virDomainSnapshotNumChildren */
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bool blockJobNoBytes; /* true if _BANDWIDTH_BYTE blockjob flags
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are missing */
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const char *escapeChar; /* String representation of
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console escape character */
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};
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/* Typedefs, function prototypes for job progress reporting.
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* There are used by some long lingering commands like
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* migrate, dump, save, managedsave.
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*/
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struct _virshCtrlData {
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vshControl *ctl;
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const vshCmd *cmd;
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int writefd;
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virConnectPtr dconn;
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};
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/* Filter flags for various vshCommandOpt*By() functions */
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typedef enum {
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VIRSH_BYID = (1 << 1),
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VIRSH_BYUUID = (1 << 2),
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VIRSH_BYNAME = (1 << 3),
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VIRSH_BYMAC = (1 << 4),
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} virshLookupByFlags;
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virConnectPtr virshConnect(vshControl *ctl, const char *uri, bool readonly);
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int virshDomainState(vshControl *ctl, virDomainPtr dom, int *reason);
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int virshStreamSink(virStreamPtr st, const char *bytes, size_t nbytes,
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void *opaque);
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#endif /* VIRSH_H */
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