mirror of
https://gitlab.com/libvirt/libvirt.git
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6dc231438f
Signed-off-by: Ján Tomko <jtomko@redhat.com> Reviewed-by: Neal Gompa <ngompa13@gmail.com> Reviewed-by: Erik Skultety <eskultet@redhat.com>
1121 lines
31 KiB
C
1121 lines
31 KiB
C
/*
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* interface_conf.c: interfaces XML handling
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*
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* Copyright (C) 2006-2010, 2013-2015 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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#include <config.h>
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#include "virerror.h"
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#include "datatypes.h"
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#include "interface_conf.h"
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#include "viralloc.h"
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#include "virxml.h"
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#include "viruuid.h"
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#include "virbuffer.h"
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#include "virstring.h"
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#define VIR_FROM_THIS VIR_FROM_INTERFACE
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VIR_ENUM_IMPL(virInterface,
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VIR_INTERFACE_TYPE_LAST,
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"ethernet", "bridge", "bond", "vlan",
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);
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static virInterfaceDefPtr
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virInterfaceDefParseXML(xmlXPathContextPtr ctxt, int parentIfType);
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static int
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virInterfaceDefDevFormat(virBufferPtr buf, const virInterfaceDef *def,
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virInterfaceType parentIfType);
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static void
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virInterfaceIPDefFree(virInterfaceIPDefPtr def)
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{
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if (def == NULL)
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return;
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VIR_FREE(def->address);
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VIR_FREE(def);
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}
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static void
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virInterfaceProtocolDefFree(virInterfaceProtocolDefPtr def)
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{
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size_t i;
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if (def == NULL)
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return;
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for (i = 0; i < def->nips; i++)
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virInterfaceIPDefFree(def->ips[i]);
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VIR_FREE(def->ips);
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VIR_FREE(def->family);
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VIR_FREE(def->gateway);
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VIR_FREE(def);
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}
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void
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virInterfaceDefFree(virInterfaceDefPtr def)
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{
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size_t i;
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int pp;
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if (def == NULL)
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return;
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VIR_FREE(def->name);
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VIR_FREE(def->mac);
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switch (def->type) {
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case VIR_INTERFACE_TYPE_BRIDGE:
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VIR_FREE(def->data.bridge.delay);
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for (i = 0; i < def->data.bridge.nbItf; i++) {
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if (def->data.bridge.itf[i] == NULL)
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break; /* to cope with half parsed data on errors */
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virInterfaceDefFree(def->data.bridge.itf[i]);
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}
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VIR_FREE(def->data.bridge.itf);
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break;
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case VIR_INTERFACE_TYPE_BOND:
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VIR_FREE(def->data.bond.target);
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for (i = 0; i < def->data.bond.nbItf; i++) {
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if (def->data.bond.itf[i] == NULL)
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break; /* to cope with half parsed data on errors */
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virInterfaceDefFree(def->data.bond.itf[i]);
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}
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VIR_FREE(def->data.bond.itf);
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break;
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case VIR_INTERFACE_TYPE_VLAN:
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VIR_FREE(def->data.vlan.tag);
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VIR_FREE(def->data.vlan.dev_name);
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break;
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}
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/* free all protos */
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for (pp = 0; pp < def->nprotos; pp++)
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virInterfaceProtocolDefFree(def->protos[pp]);
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VIR_FREE(def->protos);
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VIR_FREE(def);
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}
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static int
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virInterfaceDefParseName(virInterfaceDefPtr def,
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xmlXPathContextPtr ctxt)
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{
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char *tmp;
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tmp = virXPathString("string(./@name)", ctxt);
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if (tmp == NULL) {
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virReportError(VIR_ERR_XML_ERROR,
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"%s", _("interface has no name"));
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return -1;
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}
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def->name = tmp;
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return 0;
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}
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static int
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virInterfaceDefParseMtu(virInterfaceDefPtr def,
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xmlXPathContextPtr ctxt)
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{
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unsigned long mtu;
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int ret;
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ret = virXPathULong("string(./mtu/@size)", ctxt, &mtu);
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if ((ret == -2) || ((ret == 0) && (mtu > 100000))) {
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virReportError(VIR_ERR_XML_ERROR,
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"%s", _("interface mtu value is improper"));
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return -1;
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} else if (ret == 0) {
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def->mtu = (unsigned int) mtu;
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}
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return 0;
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}
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static int
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virInterfaceDefParseStartMode(virInterfaceDefPtr def,
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xmlXPathContextPtr ctxt)
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{
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char *tmp;
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tmp = virXPathString("string(./start/@mode)", ctxt);
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if (tmp == NULL) {
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def->startmode = VIR_INTERFACE_START_UNSPECIFIED;
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} else if (STREQ(tmp, "onboot")) {
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def->startmode = VIR_INTERFACE_START_ONBOOT;
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} else if (STREQ(tmp, "hotplug")) {
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def->startmode = VIR_INTERFACE_START_HOTPLUG;
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} else if (STREQ(tmp, "none")) {
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def->startmode = VIR_INTERFACE_START_NONE;
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} else {
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virReportError(VIR_ERR_XML_ERROR,
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_("unknown interface startmode %s"), tmp);
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VIR_FREE(tmp);
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return -1;
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}
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VIR_FREE(tmp);
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return 0;
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}
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static int
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virInterfaceDefParseBondMode(xmlXPathContextPtr ctxt)
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{
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char *tmp;
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int ret = 0;
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tmp = virXPathString("string(./@mode)", ctxt);
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if (tmp == NULL)
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return VIR_INTERFACE_BOND_NONE;
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if (STREQ(tmp, "balance-rr")) {
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ret = VIR_INTERFACE_BOND_BALRR;
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} else if (STREQ(tmp, "active-backup")) {
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ret = VIR_INTERFACE_BOND_ABACKUP;
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} else if (STREQ(tmp, "balance-xor")) {
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ret = VIR_INTERFACE_BOND_BALXOR;
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} else if (STREQ(tmp, "broadcast")) {
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ret = VIR_INTERFACE_BOND_BCAST;
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} else if (STREQ(tmp, "802.3ad")) {
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ret = VIR_INTERFACE_BOND_8023AD;
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} else if (STREQ(tmp, "balance-tlb")) {
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ret = VIR_INTERFACE_BOND_BALTLB;
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} else if (STREQ(tmp, "balance-alb")) {
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ret = VIR_INTERFACE_BOND_BALALB;
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} else {
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virReportError(VIR_ERR_XML_ERROR,
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_("unknown bonding mode %s"), tmp);
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ret = -1;
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}
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VIR_FREE(tmp);
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return ret;
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}
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static int
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virInterfaceDefParseBondMiiCarrier(xmlXPathContextPtr ctxt)
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{
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char *tmp;
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int ret = 0;
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tmp = virXPathString("string(./miimon/@carrier)", ctxt);
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if (tmp == NULL)
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return VIR_INTERFACE_BOND_MII_NONE;
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if (STREQ(tmp, "ioctl")) {
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ret = VIR_INTERFACE_BOND_MII_IOCTL;
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} else if (STREQ(tmp, "netif")) {
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ret = VIR_INTERFACE_BOND_MII_NETIF;
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} else {
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virReportError(VIR_ERR_XML_ERROR,
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_("unknown mii bonding carrier %s"), tmp);
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ret = -1;
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}
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VIR_FREE(tmp);
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return ret;
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}
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static int
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virInterfaceDefParseBondArpValid(xmlXPathContextPtr ctxt)
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{
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char *tmp;
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int ret = 0;
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tmp = virXPathString("string(./arpmon/@validate)", ctxt);
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if (tmp == NULL)
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return VIR_INTERFACE_BOND_ARP_NONE;
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if (STREQ(tmp, "active")) {
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ret = VIR_INTERFACE_BOND_ARP_ACTIVE;
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} else if (STREQ(tmp, "backup")) {
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ret = VIR_INTERFACE_BOND_ARP_BACKUP;
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} else if (STREQ(tmp, "all")) {
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ret = VIR_INTERFACE_BOND_ARP_ALL;
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} else {
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virReportError(VIR_ERR_XML_ERROR,
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_("unknown arp bonding validate %s"), tmp);
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ret = -1;
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}
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VIR_FREE(tmp);
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return ret;
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}
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static int
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virInterfaceDefParseDhcp(virInterfaceProtocolDefPtr def,
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xmlNodePtr dhcp, xmlXPathContextPtr ctxt)
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{
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VIR_XPATH_NODE_AUTORESTORE(ctxt)
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char *tmp;
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int ret = 0;
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def->dhcp = 1;
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ctxt->node = dhcp;
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def->peerdns = -1;
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/* Not much to do in the current version */
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tmp = virXPathString("string(./@peerdns)", ctxt);
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if (tmp) {
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bool state = false;
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if (virStringParseYesNo(tmp, &state) < 0) {
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virReportError(VIR_ERR_XML_ERROR,
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_("unknown dhcp peerdns value %s"), tmp);
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ret = -1;
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} else {
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def->peerdns = state ? 1 : 0;
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}
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VIR_FREE(tmp);
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}
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return ret;
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}
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|
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static int
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virInterfaceDefParseIP(virInterfaceIPDefPtr def,
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xmlXPathContextPtr ctxt)
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{
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int ret = 0;
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char *tmp;
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long l;
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tmp = virXPathString("string(./@address)", ctxt);
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def->address = tmp;
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if (tmp != NULL) {
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ret = virXPathLong("string(./@prefix)", ctxt, &l);
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if (ret == 0) {
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def->prefix = (int) l;
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} else if (ret == -2) {
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virReportError(VIR_ERR_XML_ERROR,
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"%s", _("Invalid ip address prefix value"));
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return -1;
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}
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}
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return 0;
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}
|
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|
|
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static int
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virInterfaceDefParseProtoIPv4(virInterfaceProtocolDefPtr def,
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xmlXPathContextPtr ctxt)
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{
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xmlNodePtr dhcp;
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xmlNodePtr *ipNodes = NULL;
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int nipNodes, ret = -1;
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size_t i;
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char *tmp;
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tmp = virXPathString("string(./route[1]/@gateway)", ctxt);
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def->gateway = tmp;
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dhcp = virXPathNode("./dhcp", ctxt);
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if (dhcp != NULL) {
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if (virInterfaceDefParseDhcp(def, dhcp, ctxt) < 0)
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return -1;
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}
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nipNodes = virXPathNodeSet("./ip", ctxt, &ipNodes);
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if (nipNodes < 0)
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return -1;
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if (ipNodes == NULL)
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return 0;
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|
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def->ips = g_new0(virInterfaceIPDefPtr, nipNodes);
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|
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def->nips = 0;
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for (i = 0; i < nipNodes; i++) {
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virInterfaceIPDefPtr ip;
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ip = g_new0(virInterfaceIPDef, 1);
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ctxt->node = ipNodes[i];
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if (virInterfaceDefParseIP(ip, ctxt) < 0) {
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virInterfaceIPDefFree(ip);
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goto error;
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}
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def->ips[def->nips++] = ip;
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}
|
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ret = 0;
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|
|
|
error:
|
|
VIR_FREE(ipNodes);
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return ret;
|
|
}
|
|
|
|
|
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static int
|
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virInterfaceDefParseProtoIPv6(virInterfaceProtocolDefPtr def,
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xmlXPathContextPtr ctxt)
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{
|
|
xmlNodePtr dhcp, autoconf;
|
|
xmlNodePtr *ipNodes = NULL;
|
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int nipNodes, ret = -1;
|
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size_t i;
|
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char *tmp;
|
|
|
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tmp = virXPathString("string(./route[1]/@gateway)", ctxt);
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def->gateway = tmp;
|
|
|
|
autoconf = virXPathNode("./autoconf", ctxt);
|
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if (autoconf != NULL)
|
|
def->autoconf = 1;
|
|
|
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dhcp = virXPathNode("./dhcp", ctxt);
|
|
if (dhcp != NULL) {
|
|
if (virInterfaceDefParseDhcp(def, dhcp, ctxt) < 0)
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|
return -1;
|
|
}
|
|
|
|
nipNodes = virXPathNodeSet("./ip", ctxt, &ipNodes);
|
|
if (nipNodes < 0)
|
|
return -1;
|
|
if (ipNodes == NULL)
|
|
return 0;
|
|
|
|
def->ips = g_new0(virInterfaceIPDefPtr, nipNodes);
|
|
|
|
def->nips = 0;
|
|
for (i = 0; i < nipNodes; i++) {
|
|
|
|
virInterfaceIPDefPtr ip;
|
|
|
|
ip = g_new0(virInterfaceIPDef, 1);
|
|
|
|
ctxt->node = ipNodes[i];
|
|
if (virInterfaceDefParseIP(ip, ctxt) < 0) {
|
|
virInterfaceIPDefFree(ip);
|
|
goto error;
|
|
}
|
|
def->ips[def->nips++] = ip;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
error:
|
|
VIR_FREE(ipNodes);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int
|
|
virInterfaceDefParseIfAdressing(virInterfaceDefPtr def,
|
|
xmlXPathContextPtr ctxt)
|
|
{
|
|
VIR_XPATH_NODE_AUTORESTORE(ctxt)
|
|
xmlNodePtr *protoNodes = NULL;
|
|
int nProtoNodes, pp, ret = -1;
|
|
char *tmp;
|
|
|
|
nProtoNodes = virXPathNodeSet("./protocol", ctxt, &protoNodes);
|
|
if (nProtoNodes < 0)
|
|
goto error;
|
|
|
|
if (nProtoNodes == 0) {
|
|
/* no protocols is an acceptable outcome */
|
|
return 0;
|
|
}
|
|
|
|
def->protos = g_new0(virInterfaceProtocolDefPtr, nProtoNodes);
|
|
|
|
def->nprotos = 0;
|
|
for (pp = 0; pp < nProtoNodes; pp++) {
|
|
|
|
virInterfaceProtocolDefPtr proto;
|
|
|
|
proto = g_new0(virInterfaceProtocolDef, 1);
|
|
|
|
ctxt->node = protoNodes[pp];
|
|
tmp = virXPathString("string(./@family)", ctxt);
|
|
if (tmp == NULL) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("protocol misses the family attribute"));
|
|
virInterfaceProtocolDefFree(proto);
|
|
goto error;
|
|
}
|
|
proto->family = tmp;
|
|
if (STREQ(tmp, "ipv4")) {
|
|
ret = virInterfaceDefParseProtoIPv4(proto, ctxt);
|
|
if (ret != 0) {
|
|
virInterfaceProtocolDefFree(proto);
|
|
goto error;
|
|
}
|
|
} else if (STREQ(tmp, "ipv6")) {
|
|
ret = virInterfaceDefParseProtoIPv6(proto, ctxt);
|
|
if (ret != 0) {
|
|
virInterfaceProtocolDefFree(proto);
|
|
goto error;
|
|
}
|
|
} else {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
_("unsupported protocol family '%s'"), tmp);
|
|
virInterfaceProtocolDefFree(proto);
|
|
goto error;
|
|
}
|
|
def->protos[def->nprotos++] = proto;
|
|
}
|
|
|
|
ret = 0;
|
|
|
|
error:
|
|
VIR_FREE(protoNodes);
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
static int
|
|
virInterfaceDefParseBridge(virInterfaceDefPtr def,
|
|
xmlXPathContextPtr ctxt)
|
|
{
|
|
xmlNodePtr *interfaces = NULL;
|
|
xmlNodePtr bridge;
|
|
virInterfaceDefPtr itf;
|
|
char *tmp = NULL;
|
|
int nbItf;
|
|
size_t i;
|
|
int ret = 0;
|
|
|
|
bridge = ctxt->node;
|
|
def->data.bridge.stp = -1;
|
|
if ((tmp = virXMLPropString(bridge, "stp"))) {
|
|
if (STREQ(tmp, "on")) {
|
|
def->data.bridge.stp = 1;
|
|
} else if (STREQ(tmp, "off")) {
|
|
def->data.bridge.stp = 0;
|
|
} else {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
_("bridge interface stp should be on or off got %s"),
|
|
tmp);
|
|
goto error;
|
|
}
|
|
}
|
|
def->data.bridge.delay = virXMLPropString(bridge, "delay");
|
|
|
|
nbItf = virXPathNodeSet("./interface", ctxt, &interfaces);
|
|
if (nbItf < 0) {
|
|
ret = -1;
|
|
goto error;
|
|
}
|
|
if (nbItf > 0) {
|
|
def->data.bridge.itf = g_new0(struct _virInterfaceDef *, nbItf);
|
|
def->data.bridge.nbItf = nbItf;
|
|
|
|
for (i = 0; i < nbItf; i++) {
|
|
ctxt->node = interfaces[i];
|
|
itf = virInterfaceDefParseXML(ctxt, VIR_INTERFACE_TYPE_BRIDGE);
|
|
if (itf == NULL) {
|
|
ret = -1;
|
|
def->data.bridge.nbItf = i;
|
|
goto error;
|
|
}
|
|
def->data.bridge.itf[i] = itf;
|
|
}
|
|
}
|
|
|
|
error:
|
|
VIR_FREE(tmp);
|
|
VIR_FREE(interfaces);
|
|
ctxt->node = bridge;
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int
|
|
virInterfaceDefParseBondItfs(virInterfaceDefPtr def,
|
|
xmlXPathContextPtr ctxt)
|
|
{
|
|
xmlNodePtr *interfaces = NULL;
|
|
VIR_XPATH_NODE_AUTORESTORE(ctxt)
|
|
virInterfaceDefPtr itf;
|
|
int nbItf;
|
|
size_t i;
|
|
int ret = -1;
|
|
|
|
nbItf = virXPathNodeSet("./interface", ctxt, &interfaces);
|
|
if (nbItf < 0)
|
|
goto cleanup;
|
|
|
|
if (nbItf == 0) {
|
|
ret = 0;
|
|
goto cleanup;
|
|
}
|
|
|
|
def->data.bond.itf = g_new0(struct _virInterfaceDef *, nbItf);
|
|
|
|
def->data.bond.nbItf = nbItf;
|
|
|
|
for (i = 0; i < nbItf; i++) {
|
|
ctxt->node = interfaces[i];
|
|
itf = virInterfaceDefParseXML(ctxt, VIR_INTERFACE_TYPE_BOND);
|
|
if (itf == NULL) {
|
|
def->data.bond.nbItf = i;
|
|
goto cleanup;
|
|
}
|
|
def->data.bond.itf[i] = itf;
|
|
}
|
|
|
|
ret = 0;
|
|
cleanup:
|
|
VIR_FREE(interfaces);
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int
|
|
virInterfaceDefParseBond(virInterfaceDefPtr def,
|
|
xmlXPathContextPtr ctxt)
|
|
{
|
|
int res;
|
|
|
|
def->data.bond.mode = virInterfaceDefParseBondMode(ctxt);
|
|
if (def->data.bond.mode < 0)
|
|
return -1;
|
|
|
|
if (virInterfaceDefParseBondItfs(def, ctxt) != 0)
|
|
return -1;
|
|
|
|
if (virXPathNode("./miimon[1]", ctxt) != NULL) {
|
|
def->data.bond.monit = VIR_INTERFACE_BOND_MONIT_MII;
|
|
|
|
res = virXPathInt("string(./miimon/@freq)", ctxt,
|
|
&def->data.bond.frequency);
|
|
if ((res == -2) || (res == -1)) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("bond interface miimon freq missing or invalid"));
|
|
return -1;
|
|
}
|
|
|
|
res = virXPathInt("string(./miimon/@downdelay)", ctxt,
|
|
&def->data.bond.downdelay);
|
|
if (res == -2) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("bond interface miimon downdelay invalid"));
|
|
return -1;
|
|
}
|
|
|
|
res = virXPathInt("string(./miimon/@updelay)", ctxt,
|
|
&def->data.bond.updelay);
|
|
if (res == -2) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("bond interface miimon updelay invalid"));
|
|
return -1;
|
|
}
|
|
|
|
def->data.bond.carrier = virInterfaceDefParseBondMiiCarrier(ctxt);
|
|
if (def->data.bond.carrier < 0)
|
|
return -1;
|
|
|
|
} else if (virXPathNode("./arpmon[1]", ctxt) != NULL) {
|
|
|
|
def->data.bond.monit = VIR_INTERFACE_BOND_MONIT_ARP;
|
|
|
|
res = virXPathInt("string(./arpmon/@interval)", ctxt,
|
|
&def->data.bond.interval);
|
|
if ((res == -2) || (res == -1)) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("bond interface arpmon interval missing or invalid"));
|
|
return -1;
|
|
}
|
|
|
|
def->data.bond.target =
|
|
virXPathString("string(./arpmon/@target)", ctxt);
|
|
if (def->data.bond.target == NULL) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("bond interface arpmon target missing"));
|
|
return -1;
|
|
}
|
|
|
|
def->data.bond.validate = virInterfaceDefParseBondArpValid(ctxt);
|
|
if (def->data.bond.validate < 0)
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
virInterfaceDefParseVlan(virInterfaceDefPtr def,
|
|
xmlXPathContextPtr ctxt)
|
|
{
|
|
def->data.vlan.tag = virXPathString("string(./@tag)", ctxt);
|
|
if (def->data.vlan.tag == NULL) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("vlan interface misses the tag attribute"));
|
|
return -1;
|
|
}
|
|
|
|
def->data.vlan.dev_name =
|
|
virXPathString("string(./interface/@name)", ctxt);
|
|
if (def->data.vlan.dev_name == NULL) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("vlan interface misses name attribute"));
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static virInterfaceDefPtr
|
|
virInterfaceDefParseXML(xmlXPathContextPtr ctxt,
|
|
int parentIfType)
|
|
{
|
|
virInterfaceDefPtr def;
|
|
int type;
|
|
char *tmp;
|
|
VIR_XPATH_NODE_AUTORESTORE(ctxt)
|
|
xmlNodePtr lnk;
|
|
|
|
|
|
/* check @type */
|
|
tmp = virXPathString("string(./@type)", ctxt);
|
|
if (tmp == NULL) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("interface misses the type attribute"));
|
|
return NULL;
|
|
}
|
|
type = virInterfaceTypeFromString(tmp);
|
|
if (type == -1) {
|
|
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
|
|
_("unknown interface type %s"), tmp);
|
|
VIR_FREE(tmp);
|
|
return NULL;
|
|
}
|
|
VIR_FREE(tmp);
|
|
|
|
def = g_new0(virInterfaceDef, 1);
|
|
|
|
if (((parentIfType == VIR_INTERFACE_TYPE_BOND)
|
|
&& (type != VIR_INTERFACE_TYPE_ETHERNET))
|
|
|| ((parentIfType == VIR_INTERFACE_TYPE_BRIDGE)
|
|
&& (type != VIR_INTERFACE_TYPE_ETHERNET)
|
|
&& (type != VIR_INTERFACE_TYPE_BOND)
|
|
&& (type != VIR_INTERFACE_TYPE_VLAN))
|
|
|| (parentIfType == VIR_INTERFACE_TYPE_ETHERNET)
|
|
|| (parentIfType == VIR_INTERFACE_TYPE_VLAN))
|
|
{
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
_("interface has unsupported type '%s'"),
|
|
virInterfaceTypeToString(type));
|
|
goto error;
|
|
}
|
|
def->type = type;
|
|
|
|
if (virInterfaceDefParseName(def, ctxt) < 0)
|
|
goto error;
|
|
|
|
if (parentIfType == VIR_INTERFACE_TYPE_LAST) {
|
|
/* only recognize these in toplevel bond interfaces */
|
|
if (virInterfaceDefParseStartMode(def, ctxt) < 0)
|
|
goto error;
|
|
if (virInterfaceDefParseMtu(def, ctxt) < 0)
|
|
goto error;
|
|
if (virInterfaceDefParseIfAdressing(def, ctxt) < 0)
|
|
goto error;
|
|
}
|
|
|
|
if (type != VIR_INTERFACE_TYPE_BRIDGE) {
|
|
/* link status makes no sense for a bridge */
|
|
lnk = virXPathNode("./link", ctxt);
|
|
if (lnk && virInterfaceLinkParseXML(lnk, &def->lnk) < 0)
|
|
goto error;
|
|
}
|
|
|
|
switch (type) {
|
|
case VIR_INTERFACE_TYPE_ETHERNET:
|
|
if ((tmp = virXPathString("string(./mac/@address)", ctxt)))
|
|
def->mac = tmp;
|
|
break;
|
|
case VIR_INTERFACE_TYPE_BRIDGE: {
|
|
xmlNodePtr bridge;
|
|
|
|
if (!(bridge = virXPathNode("./bridge[1]", ctxt))) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("bridge interface misses the bridge element"));
|
|
goto error;
|
|
}
|
|
ctxt->node = bridge;
|
|
if (virInterfaceDefParseBridge(def, ctxt) < 0)
|
|
goto error;
|
|
break;
|
|
}
|
|
case VIR_INTERFACE_TYPE_BOND: {
|
|
xmlNodePtr bond;
|
|
|
|
if (!(bond = virXPathNode("./bond[1]", ctxt))) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("bond interface misses the bond element"));
|
|
goto error;
|
|
}
|
|
ctxt->node = bond;
|
|
if (virInterfaceDefParseBond(def, ctxt) < 0)
|
|
goto error;
|
|
break;
|
|
}
|
|
case VIR_INTERFACE_TYPE_VLAN: {
|
|
xmlNodePtr vlan;
|
|
|
|
if (!(vlan = virXPathNode("./vlan[1]", ctxt))) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
"%s", _("vlan interface misses the vlan element"));
|
|
goto error;
|
|
}
|
|
ctxt->node = vlan;
|
|
if (virInterfaceDefParseVlan(def, ctxt) < 0)
|
|
goto error;
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
return def;
|
|
|
|
error:
|
|
virInterfaceDefFree(def);
|
|
return NULL;
|
|
}
|
|
|
|
|
|
virInterfaceDefPtr
|
|
virInterfaceDefParseNode(xmlDocPtr xml,
|
|
xmlNodePtr root)
|
|
{
|
|
g_autoptr(xmlXPathContext) ctxt = NULL;
|
|
|
|
if (!virXMLNodeNameEqual(root, "interface")) {
|
|
virReportError(VIR_ERR_XML_ERROR,
|
|
_("unexpected root element <%s>, "
|
|
"expecting <interface>"),
|
|
root->name);
|
|
return NULL;
|
|
}
|
|
|
|
if (!(ctxt = virXMLXPathContextNew(xml)))
|
|
return NULL;
|
|
|
|
ctxt->node = root;
|
|
return virInterfaceDefParseXML(ctxt, VIR_INTERFACE_TYPE_LAST);
|
|
}
|
|
|
|
|
|
static virInterfaceDefPtr
|
|
virInterfaceDefParse(const char *xmlStr,
|
|
const char *filename)
|
|
{
|
|
xmlDocPtr xml;
|
|
virInterfaceDefPtr def = NULL;
|
|
|
|
if ((xml = virXMLParse(filename, xmlStr, _("(interface_definition)")))) {
|
|
def = virInterfaceDefParseNode(xml, xmlDocGetRootElement(xml));
|
|
xmlFreeDoc(xml);
|
|
}
|
|
|
|
return def;
|
|
}
|
|
|
|
|
|
virInterfaceDefPtr
|
|
virInterfaceDefParseString(const char *xmlStr)
|
|
{
|
|
return virInterfaceDefParse(xmlStr, NULL);
|
|
}
|
|
|
|
|
|
virInterfaceDefPtr
|
|
virInterfaceDefParseFile(const char *filename)
|
|
{
|
|
return virInterfaceDefParse(NULL, filename);
|
|
}
|
|
|
|
|
|
static int
|
|
virInterfaceBridgeDefFormat(virBufferPtr buf,
|
|
const virInterfaceDef *def)
|
|
{
|
|
size_t i;
|
|
int ret = 0;
|
|
|
|
virBufferAddLit(buf, "<bridge");
|
|
if (def->data.bridge.stp == 1)
|
|
virBufferAddLit(buf, " stp='on'");
|
|
else if (def->data.bridge.stp == 0)
|
|
virBufferAddLit(buf, " stp='off'");
|
|
if (def->data.bridge.delay != NULL)
|
|
virBufferAsprintf(buf, " delay='%s'", def->data.bridge.delay);
|
|
virBufferAddLit(buf, ">\n");
|
|
virBufferAdjustIndent(buf, 2);
|
|
|
|
for (i = 0; i < def->data.bridge.nbItf; i++) {
|
|
if (virInterfaceDefDevFormat(buf, def->data.bridge.itf[i],
|
|
VIR_INTERFACE_TYPE_BRIDGE) < 0)
|
|
ret = -1;
|
|
}
|
|
|
|
virBufferAdjustIndent(buf, -2);
|
|
virBufferAddLit(buf, "</bridge>\n");
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int
|
|
virInterfaceBondDefFormat(virBufferPtr buf,
|
|
const virInterfaceDef *def)
|
|
{
|
|
size_t i;
|
|
int ret = 0;
|
|
|
|
virBufferAddLit(buf, "<bond");
|
|
if (def->data.bond.mode == VIR_INTERFACE_BOND_BALRR)
|
|
virBufferAddLit(buf, " mode='balance-rr'");
|
|
else if (def->data.bond.mode == VIR_INTERFACE_BOND_ABACKUP)
|
|
virBufferAddLit(buf, " mode='active-backup'");
|
|
else if (def->data.bond.mode == VIR_INTERFACE_BOND_BALXOR)
|
|
virBufferAddLit(buf, " mode='balance-xor'");
|
|
else if (def->data.bond.mode == VIR_INTERFACE_BOND_BCAST)
|
|
virBufferAddLit(buf, " mode='broadcast'");
|
|
else if (def->data.bond.mode == VIR_INTERFACE_BOND_8023AD)
|
|
virBufferAddLit(buf, " mode='802.3ad'");
|
|
else if (def->data.bond.mode == VIR_INTERFACE_BOND_BALTLB)
|
|
virBufferAddLit(buf, " mode='balance-tlb'");
|
|
else if (def->data.bond.mode == VIR_INTERFACE_BOND_BALALB)
|
|
virBufferAddLit(buf, " mode='balance-alb'");
|
|
virBufferAddLit(buf, ">\n");
|
|
virBufferAdjustIndent(buf, 2);
|
|
|
|
if (def->data.bond.monit == VIR_INTERFACE_BOND_MONIT_MII) {
|
|
virBufferAsprintf(buf, "<miimon freq='%d'",
|
|
def->data.bond.frequency);
|
|
if (def->data.bond.downdelay > 0)
|
|
virBufferAsprintf(buf, " downdelay='%d'", def->data.bond.downdelay);
|
|
if (def->data.bond.updelay > 0)
|
|
virBufferAsprintf(buf, " updelay='%d'", def->data.bond.updelay);
|
|
if (def->data.bond.carrier == VIR_INTERFACE_BOND_MII_IOCTL)
|
|
virBufferAddLit(buf, " carrier='ioctl'");
|
|
else if (def->data.bond.carrier == VIR_INTERFACE_BOND_MII_NETIF)
|
|
virBufferAddLit(buf, " carrier='netif'");
|
|
virBufferAddLit(buf, "/>\n");
|
|
} else if (def->data.bond.monit == VIR_INTERFACE_BOND_MONIT_ARP) {
|
|
if (def->data.bond.target == NULL) {
|
|
virReportError(VIR_ERR_INTERNAL_ERROR,
|
|
"%s", _("bond arp monitoring has no target"));
|
|
return -1;
|
|
}
|
|
virBufferAsprintf(buf, "<arpmon interval='%d' target='%s'",
|
|
def->data.bond.interval, def->data.bond.target);
|
|
if (def->data.bond.validate == VIR_INTERFACE_BOND_ARP_ACTIVE)
|
|
virBufferAddLit(buf, " validate='active'");
|
|
else if (def->data.bond.validate == VIR_INTERFACE_BOND_ARP_BACKUP)
|
|
virBufferAddLit(buf, " validate='backup'");
|
|
else if (def->data.bond.validate == VIR_INTERFACE_BOND_ARP_ALL)
|
|
virBufferAddLit(buf, " validate='all'");
|
|
virBufferAddLit(buf, "/>\n");
|
|
}
|
|
for (i = 0; i < def->data.bond.nbItf; i++) {
|
|
if (virInterfaceDefDevFormat(buf, def->data.bond.itf[i],
|
|
VIR_INTERFACE_TYPE_BOND) < 0)
|
|
ret = -1;
|
|
}
|
|
|
|
virBufferAdjustIndent(buf, -2);
|
|
virBufferAddLit(buf, "</bond>\n");
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int
|
|
virInterfaceVlanDefFormat(virBufferPtr buf,
|
|
const virInterfaceDef *def)
|
|
{
|
|
if (def->data.vlan.tag == NULL) {
|
|
virReportError(VIR_ERR_INTERNAL_ERROR,
|
|
"%s", _("vlan misses the tag name"));
|
|
return -1;
|
|
}
|
|
|
|
virBufferAsprintf(buf, "<vlan tag='%s'", def->data.vlan.tag);
|
|
if (def->data.vlan.dev_name != NULL) {
|
|
virBufferAddLit(buf, ">\n");
|
|
virBufferAdjustIndent(buf, 2);
|
|
virBufferAsprintf(buf, "<interface name='%s'/>\n",
|
|
def->data.vlan.dev_name);
|
|
virBufferAdjustIndent(buf, -2);
|
|
virBufferAddLit(buf, "</vlan>\n");
|
|
} else {
|
|
virBufferAddLit(buf, "/>\n");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
virInterfaceProtocolDefFormat(virBufferPtr buf,
|
|
const virInterfaceDef *def)
|
|
{
|
|
size_t i, j;
|
|
|
|
for (i = 0; i < def->nprotos; i++) {
|
|
|
|
virBufferAsprintf(buf, "<protocol family='%s'>\n",
|
|
def->protos[i]->family);
|
|
virBufferAdjustIndent(buf, 2);
|
|
|
|
if (def->protos[i]->autoconf)
|
|
virBufferAddLit(buf, "<autoconf/>\n");
|
|
if (def->protos[i]->dhcp) {
|
|
if (def->protos[i]->peerdns == 0)
|
|
virBufferAddLit(buf, "<dhcp peerdns='no'/>\n");
|
|
else if (def->protos[i]->peerdns == 1)
|
|
virBufferAddLit(buf, "<dhcp peerdns='yes'/>\n");
|
|
else
|
|
virBufferAddLit(buf, "<dhcp/>\n");
|
|
}
|
|
|
|
for (j = 0; j < def->protos[i]->nips; j++) {
|
|
if (def->protos[i]->ips[j]->address != NULL) {
|
|
|
|
virBufferAsprintf(buf, "<ip address='%s'",
|
|
def->protos[i]->ips[j]->address);
|
|
if (def->protos[i]->ips[j]->prefix != 0) {
|
|
virBufferAsprintf(buf, " prefix='%d'",
|
|
def->protos[i]->ips[j]->prefix);
|
|
}
|
|
virBufferAddLit(buf, "/>\n");
|
|
}
|
|
}
|
|
if (def->protos[i]->gateway != NULL) {
|
|
virBufferAsprintf(buf, "<route gateway='%s'/>\n",
|
|
def->protos[i]->gateway);
|
|
}
|
|
|
|
virBufferAdjustIndent(buf, -2);
|
|
virBufferAddLit(buf, "</protocol>\n");
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
virInterfaceStartmodeDefFormat(virBufferPtr buf,
|
|
virInterfaceStartMode startmode)
|
|
{
|
|
const char *mode;
|
|
switch (startmode) {
|
|
case VIR_INTERFACE_START_UNSPECIFIED:
|
|
return 0;
|
|
case VIR_INTERFACE_START_NONE:
|
|
mode = "none";
|
|
break;
|
|
case VIR_INTERFACE_START_ONBOOT:
|
|
mode = "onboot";
|
|
break;
|
|
case VIR_INTERFACE_START_HOTPLUG:
|
|
mode = "hotplug";
|
|
break;
|
|
default:
|
|
virReportError(VIR_ERR_INTERNAL_ERROR,
|
|
"%s", _("virInterfaceDefFormat unknown startmode"));
|
|
return -1;
|
|
}
|
|
virBufferAsprintf(buf, "<start mode='%s'/>\n", mode);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int
|
|
virInterfaceDefDevFormat(virBufferPtr buf,
|
|
const virInterfaceDef *def,
|
|
virInterfaceType parentIfType)
|
|
{
|
|
const char *type = NULL;
|
|
|
|
if (def == NULL) {
|
|
virReportError(VIR_ERR_INTERNAL_ERROR,
|
|
"%s", _("virInterfaceDefFormat NULL def"));
|
|
return -1;
|
|
}
|
|
|
|
if ((def->name == NULL) && (def->type != VIR_INTERFACE_TYPE_VLAN)) {
|
|
virReportError(VIR_ERR_INTERNAL_ERROR,
|
|
"%s", _("virInterfaceDefFormat missing interface name"));
|
|
return -1;
|
|
}
|
|
|
|
if (!(type = virInterfaceTypeToString(def->type))) {
|
|
virReportError(VIR_ERR_INTERNAL_ERROR,
|
|
_("unexpected interface type %d"), def->type);
|
|
return -1;
|
|
}
|
|
|
|
virBufferAsprintf(buf, "<interface type='%s' ", type);
|
|
if (def->name != NULL)
|
|
virBufferEscapeString(buf, "name='%s'", def->name);
|
|
virBufferAddLit(buf, ">\n");
|
|
virBufferAdjustIndent(buf, 2);
|
|
|
|
if (parentIfType == VIR_INTERFACE_TYPE_LAST) {
|
|
/* these elements are only valid on top-level interfaces - IP
|
|
* address info ("protocol") only makes sense for the
|
|
* top-level, and subordinate interfaces inherit the toplevel
|
|
* setting for mtu and start mode, which cannot be overridden.
|
|
*/
|
|
virInterfaceStartmodeDefFormat(buf, def->startmode);
|
|
if (def->mtu)
|
|
virBufferAsprintf(buf, "<mtu size='%d'/>\n", def->mtu);
|
|
virInterfaceProtocolDefFormat(buf, def);
|
|
}
|
|
|
|
if (def->type != VIR_INTERFACE_TYPE_BRIDGE)
|
|
virInterfaceLinkFormat(buf, &def->lnk);
|
|
switch (def->type) {
|
|
case VIR_INTERFACE_TYPE_ETHERNET:
|
|
if (def->mac)
|
|
virBufferAsprintf(buf, "<mac address='%s'/>\n", def->mac);
|
|
break;
|
|
case VIR_INTERFACE_TYPE_BRIDGE:
|
|
virInterfaceBridgeDefFormat(buf, def);
|
|
break;
|
|
case VIR_INTERFACE_TYPE_BOND:
|
|
virInterfaceBondDefFormat(buf, def);
|
|
break;
|
|
case VIR_INTERFACE_TYPE_VLAN:
|
|
virInterfaceVlanDefFormat(buf, def);
|
|
break;
|
|
}
|
|
|
|
virBufferAdjustIndent(buf, -2);
|
|
virBufferAddLit(buf, "</interface>\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
char *
|
|
virInterfaceDefFormat(const virInterfaceDef *def)
|
|
{
|
|
g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
|
|
|
|
if (virInterfaceDefDevFormat(&buf, def, VIR_INTERFACE_TYPE_LAST) < 0)
|
|
return NULL;
|
|
|
|
return virBufferContentAndReset(&buf);
|
|
}
|