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https://gitlab.com/libvirt/libvirt.git
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conf: separate functions to parse DHCPHostDef and DHCPRangeDef
These two objects were previously always parsed as a part of an IpDef, but we will now need to be able to parse them on their own for virNetworkUpdate(). Split the parsing functions out, with no functional changes.
This commit is contained in:
Laine Stump
parent
afe869819f
commit
764bd8537a
@ -111,6 +111,13 @@ virNetworkForwardPfDefClear(virNetworkForwardPfDefPtr def)
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VIR_FREE(def->dev);
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}
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static void
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virNetworkDHCPHostDefClear(virNetworkDHCPHostDefPtr def)
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{
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VIR_FREE(def->mac);
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VIR_FREE(def->name);
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}
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static void virNetworkIpDefClear(virNetworkIpDefPtr def)
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{
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int ii;
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@ -118,10 +125,8 @@ static void virNetworkIpDefClear(virNetworkIpDefPtr def)
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VIR_FREE(def->family);
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VIR_FREE(def->ranges);
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for (ii = 0 ; ii < def->nhosts && def->hosts ; ii++) {
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VIR_FREE(def->hosts[ii].mac);
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VIR_FREE(def->hosts[ii].name);
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}
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for (ii = 0 ; ii < def->nhosts && def->hosts ; ii++)
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virNetworkDHCPHostDefClear(&def->hosts[ii]);
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VIR_FREE(def->hosts);
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VIR_FREE(def->tftproot);
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@ -370,9 +375,140 @@ int virNetworkIpDefNetmask(const virNetworkIpDefPtr def,
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static int
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virNetworkDHCPRangeDefParseXML(const char *networkName,
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virNetworkIpDefPtr def,
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xmlNodePtr node)
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virNetworkDHCPRangeDefParse(const char *networkName,
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xmlNodePtr node,
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virNetworkDHCPRangeDefPtr range)
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{
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char *start = NULL, *end = NULL;
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int ret = -1;
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if (!(start = virXMLPropString(node, "start"))) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Missing 'start' attribute in dhcp range for network '%s'"),
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networkName);
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goto cleanup;
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}
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if (virSocketAddrParse(&range->start, start, AF_UNSPEC) < 0)
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goto cleanup;
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if (!(end = virXMLPropString(node, "end"))) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Missing 'end' attribute in dhcp range for network '%s'"),
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networkName);
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goto cleanup;
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}
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if (virSocketAddrParse(&range->end, end, AF_UNSPEC) < 0)
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goto cleanup;
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/* do a sanity check of the range */
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if (virSocketAddrGetRange(&range->start, &range->end) < 0) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Invalid dhcp range '%s' to '%s' in network '%s'"),
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start, end, networkName);
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goto cleanup;
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}
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ret = 0;
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cleanup:
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VIR_FREE(start);
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VIR_FREE(end);
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return ret;
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}
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static int
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virNetworkDHCPHostDefParse(const char *networkName,
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xmlNodePtr node,
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virNetworkDHCPHostDefPtr host,
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bool partialOkay)
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{
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char *mac = NULL, *name = NULL, *ip = NULL;
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virMacAddr addr;
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virSocketAddr inaddr;
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int ret = -1;
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mac = virXMLPropString(node, "mac");
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if (mac != NULL) {
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if (virMacAddrParse(mac, &addr) < 0) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Cannot parse MAC address '%s' in network '%s'"),
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mac, networkName);
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goto cleanup;
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}
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if (virMacAddrIsMulticast(&addr)) {
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virReportError(VIR_ERR_XML_ERROR,
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_("expected unicast mac address, found "
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"multicast '%s' in network '%s'"),
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(const char *)mac, networkName);
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goto cleanup;
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}
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}
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name = virXMLPropString(node, "name");
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if (name && (!c_isalpha(name[0]))) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Cannot use name address '%s' in network '%s'"),
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name, networkName);
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goto cleanup;
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}
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ip = virXMLPropString(node, "ip");
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if (ip && (virSocketAddrParse(&inaddr, ip, AF_UNSPEC) < 0)) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Invalid IP address in static host definition "
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"for network '%s'"),
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networkName);
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goto cleanup;
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}
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if (partialOkay) {
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/* for search/match, you just need one of the three */
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if (!(mac || name || ip)) {
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virReportError(VIR_ERR_XML_ERROR,
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_("At least one of name, mac, or ip attribute "
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"must be specified for static host definition "
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"in network '%s' "),
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networkName);
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}
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} else {
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/* normal usage - you need at least one MAC address or one host name */
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if (!(mac || name)) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Static host definition in network '%s' "
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"must have mac or name attribute"),
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networkName);
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goto cleanup;
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}
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if (!ip) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Missing IP address in static host definition "
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"for network '%s'"),
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networkName);
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goto cleanup;
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}
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}
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host->mac = mac;
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mac = NULL;
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host->name = name;
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name = NULL;
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if (ip)
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host->ip = inaddr;
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ret = 0;
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cleanup:
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VIR_FREE(mac);
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VIR_FREE(name);
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VIR_FREE(ip);
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return ret;
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}
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static int
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virNetworkDHCPDefParse(const char *networkName,
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virNetworkIpDefPtr def,
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xmlNodePtr node)
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{
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xmlNodePtr cur;
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@ -381,112 +517,29 @@ virNetworkDHCPRangeDefParseXML(const char *networkName,
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while (cur != NULL) {
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if (cur->type == XML_ELEMENT_NODE &&
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xmlStrEqual(cur->name, BAD_CAST "range")) {
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char *start, *end;
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virSocketAddr saddr, eaddr;
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int range;
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if (!(start = virXMLPropString(cur, "start"))) {
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cur = cur->next;
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continue;
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}
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if (!(end = virXMLPropString(cur, "end"))) {
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VIR_FREE(start);
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cur = cur->next;
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continue;
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}
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if (virSocketAddrParse(&saddr, start, AF_UNSPEC) < 0) {
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VIR_FREE(start);
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VIR_FREE(end);
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return -1;
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}
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if (virSocketAddrParse(&eaddr, end, AF_UNSPEC) < 0) {
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VIR_FREE(start);
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VIR_FREE(end);
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return -1;
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}
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range = virSocketAddrGetRange(&saddr, &eaddr);
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if (range < 0) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Invalid dhcp range '%s' to '%s' in network '%s'"),
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start, end, networkName);
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VIR_FREE(start);
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VIR_FREE(end);
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return -1;
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}
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VIR_FREE(start);
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VIR_FREE(end);
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if (VIR_REALLOC_N(def->ranges, def->nranges + 1) < 0) {
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virReportOOMError();
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return -1;
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}
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def->ranges[def->nranges].start = saddr;
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def->ranges[def->nranges].end = eaddr;
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if (virNetworkDHCPRangeDefParse(networkName, cur,
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&def->ranges[def->nranges]) < 0) {
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return -1;
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}
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def->nranges++;
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} else if (cur->type == XML_ELEMENT_NODE &&
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xmlStrEqual(cur->name, BAD_CAST "host")) {
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char *mac = NULL, *name = NULL, *ip;
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virMacAddr addr;
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virSocketAddr inaddr;
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mac = virXMLPropString(cur, "mac");
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if (mac != NULL) {
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if (virMacAddrParse(mac, &addr) < 0) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Cannot parse MAC address '%s' in network '%s'"),
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mac, networkName);
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VIR_FREE(mac);
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return -1;
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}
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if (virMacAddrIsMulticast(&addr)) {
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virReportError(VIR_ERR_XML_ERROR,
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_("expected unicast mac address, found multicast '%s' in network '%s'"),
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(const char *)mac, networkName);
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VIR_FREE(mac);
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return -1;
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}
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}
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name = virXMLPropString(cur, "name");
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if ((name != NULL) && (!c_isalpha(name[0]))) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Cannot use name address '%s' in network '%s'"),
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name, networkName);
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VIR_FREE(mac);
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VIR_FREE(name);
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return -1;
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}
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/*
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* You need at least one MAC address or one host name
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*/
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if ((mac == NULL) && (name == NULL)) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Static host definition in network '%s' must have mac or name attribute"),
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networkName);
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return -1;
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}
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ip = virXMLPropString(cur, "ip");
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if ((ip == NULL) ||
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(virSocketAddrParse(&inaddr, ip, AF_UNSPEC) < 0)) {
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virReportError(VIR_ERR_XML_ERROR,
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_("Missing IP address in static host definition for network '%s'"),
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networkName);
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VIR_FREE(ip);
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VIR_FREE(mac);
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VIR_FREE(name);
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return -1;
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}
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VIR_FREE(ip);
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if (VIR_REALLOC_N(def->hosts, def->nhosts + 1) < 0) {
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VIR_FREE(mac);
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VIR_FREE(name);
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virReportOOMError();
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return -1;
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}
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def->hosts[def->nhosts].mac = mac;
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def->hosts[def->nhosts].name = name;
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def->hosts[def->nhosts].ip = inaddr;
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if (virNetworkDHCPHostDefParse(networkName, cur,
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&def->hosts[def->nhosts],
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false) < 0) {
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return -1;
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}
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def->nhosts++;
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} else if (cur->type == XML_ELEMENT_NODE &&
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@ -853,7 +906,7 @@ virNetworkIPParseXML(const char *networkName,
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while (cur != NULL) {
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if (cur->type == XML_ELEMENT_NODE &&
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xmlStrEqual(cur->name, BAD_CAST "dhcp")) {
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result = virNetworkDHCPRangeDefParseXML(networkName, def, cur);
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result = virNetworkDHCPDefParse(networkName, def, cur);
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if (result)
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goto error;
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