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conf: Add <lease/> option for <dhcp/> settings

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If an user is trying to configure a dhcp neetwork settings, it is not
possible to change the leasetime of a range or a host entry. This is
available using dnsmasq extra options, but they are associated with
dhcp-range or dhcp-hosts fields. This patch implements a leasetime for
range and hosts tags. They can be defined under that settings:

    <dhcp>
      <range ...>
        <lease/>
      </range>
      <host ...>
        <lease/>
      </host>
    </dhcp>

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=913446

Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Julio Faracco 2020-04-22 17:05:57 -03:00 committed by Michal Privoznik
parent 5670fb5794
commit 97a0aa2467
12 changed files with 313 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
docs/schemas/basictypes.rng
View File

@ -607,4 +607,12 @@
</element>
</define>
<define name="leaseUnit">
<choice>
<value>seconds</value>
<value>minutes</value>
<value>hours</value>
</choice>
</define>
</grammar>

20
docs/schemas/network.rng
View File

@ -371,6 +371,16 @@
<element name="range">
<attribute name="start"><ref name="ipAddr"/></attribute>
<attribute name="end"><ref name="ipAddr"/></attribute>
<interleave>
<optional>
<element name="lease">
<attribute name="expiry"><ref name="unsignedLong"/></attribute>
<optional>
<attribute name="unit"><ref name="leaseUnit"/></attribute>
</optional>
</element>
</optional>
</interleave>
</element>
</zeroOrMore>
<zeroOrMore>
@ -388,6 +398,16 @@
<attribute name="name"><text/></attribute>
</choice>
<attribute name="ip"><ref name="ipAddr"/></attribute>
<interleave>
<optional>
<element name="lease">
<attribute name="expiry"><ref name="unsignedLong"/></attribute>
<optional>
<attribute name="unit"><ref name="leaseUnit"/></attribute>
</optional>
</element>
</optional>
</interleave>
</element>
</zeroOrMore>
<optional>

166
src/conf/network_conf.c
View File

@ -70,6 +70,13 @@ VIR_ENUM_IMPL(virNetworkTaint,
"hook-script",
);
VIR_ENUM_IMPL(virNetworkDHCPLeaseTimeUnit,
VIR_NETWORK_DHCP_LEASETIME_UNIT_LAST,
"seconds",
"minutes",
"hours",
);
static virClassPtr virNetworkXMLOptionClass;
static void
@ -132,12 +139,20 @@ virNetworkForwardPfDefClear(virNetworkForwardPfDefPtr def)
}
static void
virNetworkDHCPLeaseTimeDefClear(virNetworkDHCPLeaseTimeDefPtr lease)
{
VIR_FREE(lease);
}
static void
virNetworkDHCPHostDefClear(virNetworkDHCPHostDefPtr def)
{
VIR_FREE(def->mac);
VIR_FREE(def->id);
VIR_FREE(def->name);
VIR_FREE(def->lease);
}
@ -145,6 +160,9 @@ static void
virNetworkIPDefClear(virNetworkIPDefPtr def)
{
VIR_FREE(def->family);
while (def->nranges)
virNetworkDHCPLeaseTimeDefClear(def->ranges[--def->nranges].lease);
VIR_FREE(def->ranges);
while (def->nhosts)
@ -391,11 +409,62 @@ int virNetworkIPDefNetmask(const virNetworkIPDef *def,
static int
virSocketAddrRangeParseXML(const char *networkName,
virNetworkIPDefPtr ipdef,
xmlNodePtr node,
virSocketAddrRangePtr range)
virNetworkDHCPLeaseTimeDefParseXML(virNetworkDHCPLeaseTimeDefPtr *lease,
xmlNodePtr node)
{
virNetworkDHCPLeaseTimeDefPtr new_lease = *lease;
g_autofree char *expiry = NULL;
g_autofree char *unit = NULL;
int unitInt;
if (!(expiry = virXMLPropString(node, "expiry")))
return 0;
if (VIR_ALLOC(new_lease) < 0)
return -1;
new_lease->unit = VIR_NETWORK_DHCP_LEASETIME_UNIT_MINUTES;
if (virStrToLong_ul(expiry, NULL, 10, &new_lease->expiry) < 0)
return -1;
if ((unit = virXMLPropString(node, "unit"))) {
if ((unitInt = virNetworkDHCPLeaseTimeUnitTypeFromString(unit)) < 0) {
virReportError(VIR_ERR_XML_ERROR,
_("Invalid unit: %s"), unit);
return -1;
}
new_lease->unit = unitInt;
}
/* infinite */
if (new_lease->expiry > 0) {
/* This boundary check is related to dnsmasq man page settings:
* "The minimum lease time is two minutes." */
if ((new_lease->unit == VIR_NETWORK_DHCP_LEASETIME_UNIT_SECONDS &&
new_lease->expiry < 120) ||
(new_lease->unit == VIR_NETWORK_DHCP_LEASETIME_UNIT_MINUTES &&
new_lease->expiry < 2)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("The minimum lease time should be greater "
"than 2 minutes"));
return -1;
}
}
*lease = new_lease;
return 0;
}
static int
virNetworkDHCPRangeDefParseXML(const char *networkName,
virNetworkIPDefPtr ipdef,
xmlNodePtr node,
virNetworkDHCPRangeDefPtr range)
{
virSocketAddrRangePtr addr = &range->addr;
xmlNodePtr cur = node->children;
char *start = NULL, *end = NULL;
int ret = -1;
@ -405,7 +474,7 @@ virSocketAddrRangeParseXML(const char *networkName,
networkName);
goto cleanup;
}
if (virSocketAddrParse(&range->start, start, AF_UNSPEC) < 0)
if (virSocketAddrParse(&addr->start, start, AF_UNSPEC) < 0)
goto cleanup;
if (!(end = virXMLPropString(node, "end"))) {
@ -414,14 +483,24 @@ virSocketAddrRangeParseXML(const char *networkName,
networkName);
goto cleanup;
}
if (virSocketAddrParse(&range->end, end, AF_UNSPEC) < 0)
if (virSocketAddrParse(&addr->end, end, AF_UNSPEC) < 0)
goto cleanup;
/* do a sanity check of the range */
if (virSocketAddrGetRange(&range->start, &range->end, &ipdef->address,
if (virSocketAddrGetRange(&addr->start, &addr->end, &ipdef->address,
virNetworkIPDefPrefix(ipdef)) < 0)
goto cleanup;
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE &&
virXMLNodeNameEqual(cur, "lease")) {
if (virNetworkDHCPLeaseTimeDefParseXML(&range->lease, cur) < 0)
goto cleanup;
}
cur = cur->next;
}
ret = 0;
cleanup:
@ -441,6 +520,7 @@ virNetworkDHCPHostDefParseXML(const char *networkName,
char *mac = NULL, *name = NULL, *ip = NULL, *id = NULL;
virMacAddr addr;
virSocketAddr inaddr;
xmlNodePtr cur = node->children;
int ret = -1;
mac = virXMLPropString(node, "mac");
@ -533,6 +613,16 @@ virNetworkDHCPHostDefParseXML(const char *networkName,
}
}
while (cur != NULL) {
if (cur->type == XML_ELEMENT_NODE &&
virXMLNodeNameEqual(cur, "lease")) {
if (virNetworkDHCPLeaseTimeDefParseXML(&host->lease, cur) < 0)
goto cleanup;
}
cur = cur->next;
}
host->mac = mac;
mac = NULL;
host->id = id;
@ -559,7 +649,7 @@ virNetworkDHCPDefParseXML(const char *networkName,
{
int ret = -1;
xmlNodePtr cur;
virSocketAddrRange range;
virNetworkDHCPRangeDef range;
virNetworkDHCPHostDef host;
memset(&range, 0, sizeof(range));
@ -570,7 +660,7 @@ virNetworkDHCPDefParseXML(const char *networkName,
if (cur->type == XML_ELEMENT_NODE &&
virXMLNodeNameEqual(cur, "range")) {
if (virSocketAddrRangeParseXML(networkName, def, cur, &range) < 0)
if (virNetworkDHCPRangeDefParseXML(networkName, def, cur, &range) < 0)
goto cleanup;
if (VIR_APPEND_ELEMENT(def->ranges, def->nranges, range) < 0)
goto cleanup;
@ -583,7 +673,6 @@ virNetworkDHCPDefParseXML(const char *networkName,
goto cleanup;
if (VIR_APPEND_ELEMENT(def->hosts, def->nhosts, host) < 0)
goto cleanup;
} else if (VIR_SOCKET_ADDR_IS_FAMILY(&def->address, AF_INET) &&
cur->type == XML_ELEMENT_NODE &&
virXMLNodeNameEqual(cur, "bootp")) {
@ -2300,20 +2389,39 @@ virNetworkIPDefFormat(virBufferPtr buf,
virBufferAdjustIndent(buf, 2);
for (i = 0; i < def->nranges; i++) {
char *saddr = virSocketAddrFormat(&def->ranges[i].start);
virSocketAddrRange addr = def->ranges[i].addr;
virNetworkDHCPLeaseTimeDefPtr lease = def->ranges[i].lease;
char *saddr = virSocketAddrFormat(&addr.start);
if (!saddr)
return -1;
char *eaddr = virSocketAddrFormat(&def->ranges[i].end);
char *eaddr = virSocketAddrFormat(&addr.end);
if (!eaddr) {
VIR_FREE(saddr);
return -1;
}
virBufferAsprintf(buf, "<range start='%s' end='%s'/>\n",
virBufferAsprintf(buf, "<range start='%s' end='%s'",
saddr, eaddr);
if (lease) {
virBufferAddLit(buf, ">\n");
virBufferAdjustIndent(buf, 2);
if (!lease->expiry) {
virBufferAddLit(buf, "<lease expiry='0'/>\n");
} else {
virBufferAsprintf(buf, "<lease expiry='%lu' unit='%s'/>\n",
lease->expiry,
virNetworkDHCPLeaseTimeUnitTypeToString(lease->unit));
}
virBufferAdjustIndent(buf, -2);
virBufferAddLit(buf, "</range>\n");
} else {
virBufferAddLit(buf, "/>\n");
}
VIR_FREE(saddr);
VIR_FREE(eaddr);
}
for (i = 0; i < def->nhosts; i++) {
virNetworkDHCPLeaseTimeDefPtr lease = def->hosts[i].lease;
virBufferAddLit(buf, "<host");
if (def->hosts[i].mac)
virBufferAsprintf(buf, " mac='%s'", def->hosts[i].mac);
@ -2328,7 +2436,21 @@ virNetworkIPDefFormat(virBufferPtr buf,
virBufferAsprintf(buf, " ip='%s'", ipaddr);
VIR_FREE(ipaddr);
}
virBufferAddLit(buf, "/>\n");
if (lease) {
virBufferAddLit(buf, ">\n");
virBufferAdjustIndent(buf, 2);
if (!lease->expiry) {
virBufferAddLit(buf, "<lease expiry='0'/>\n");
} else {
virBufferAsprintf(buf, "<lease expiry='%lu' unit='%s'/>\n",
lease->expiry,
virNetworkDHCPLeaseTimeUnitTypeToString(lease->unit));
}
virBufferAdjustIndent(buf, -2);
virBufferAddLit(buf, "</host>\n");
} else {
virBufferAddLit(buf, "/>\n");
}
}
if (def->bootfile) {
virBufferEscapeString(buf, "<bootp file='%s'",
@ -2343,7 +2465,6 @@ virNetworkIPDefFormat(virBufferPtr buf,
virBufferAddLit(buf, "/>\n");
}
virBufferAdjustIndent(buf, -2);
virBufferAddLit(buf, "</dhcp>\n");
}
@ -3080,7 +3201,7 @@ virNetworkDefUpdateIPDHCPRange(virNetworkDefPtr def,
{
size_t i;
virNetworkIPDefPtr ipdef = virNetworkIPDefByIndex(def, parentIndex);
virSocketAddrRange range;
virNetworkDHCPRangeDef range;
memset(&range, 0, sizeof(range));
@ -3100,11 +3221,11 @@ virNetworkDefUpdateIPDHCPRange(virNetworkDefPtr def,
return -1;
}
if (virSocketAddrRangeParseXML(def->name, ipdef, ctxt->node, &range) < 0)
if (virNetworkDHCPRangeDefParseXML(def->name, ipdef, ctxt->node, &range) < 0)
return -1;
if (VIR_SOCKET_ADDR_FAMILY(&ipdef->address)
!= VIR_SOCKET_ADDR_FAMILY(&range.start)) {
!= VIR_SOCKET_ADDR_FAMILY(&range.addr.start)) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("the address family of a dhcp range must match "
"the address family of the dhcp element's parent"));
@ -3113,8 +3234,9 @@ virNetworkDefUpdateIPDHCPRange(virNetworkDefPtr def,
/* check if an entry with same name/address/ip already exists */
for (i = 0; i < ipdef->nranges; i++) {
if (virSocketAddrEqual(&range.start, &ipdef->ranges[i].start) &&
virSocketAddrEqual(&range.end, &ipdef->ranges[i].end)) {
virSocketAddrRange addr = ipdef->ranges[i].addr;
if (virSocketAddrEqual(&range.addr.start, &addr.start) &&
virSocketAddrEqual(&range.addr.end, &addr.end)) {
break;
}
}
@ -3126,8 +3248,8 @@ virNetworkDefUpdateIPDHCPRange(virNetworkDefPtr def,
return -1;
if (i < ipdef->nranges) {
char *startip = virSocketAddrFormat(&range.start);
char *endip = virSocketAddrFormat(&range.end);
char *startip = virSocketAddrFormat(&range.addr.start);
char *endip = virSocketAddrFormat(&range.addr.end);
virReportError(VIR_ERR_OPERATION_INVALID,
_("there is an existing dhcp range entry in "

27
src/conf/network_conf.h
View File

@ -80,6 +80,16 @@ typedef enum {
VIR_NETWORK_FORWARD_HOSTDEV_DEVICE_LAST,
} virNetworkForwardHostdevDeviceType;
typedef enum {
VIR_NETWORK_DHCP_LEASETIME_UNIT_SECONDS = 0,
VIR_NETWORK_DHCP_LEASETIME_UNIT_MINUTES,
VIR_NETWORK_DHCP_LEASETIME_UNIT_HOURS,
VIR_NETWORK_DHCP_LEASETIME_UNIT_LAST,
} virNetworkDHCPLeaseTimeUnitType;
VIR_ENUM_DECL(virNetworkDHCPLeaseTimeUnit);
/* The backend driver used for devices from the pool. Currently used
* only for PCI devices (vfio vs. kvm), but could be used for other
* device types in the future.
@ -94,6 +104,20 @@ typedef enum {
VIR_ENUM_DECL(virNetworkForwardDriverName);
typedef struct _virNetworkDHCPLeaseTimeDef virNetworkDHCPLeaseTimeDef;
typedef virNetworkDHCPLeaseTimeDef *virNetworkDHCPLeaseTimeDefPtr;
struct _virNetworkDHCPLeaseTimeDef {
unsigned long expiry;
virNetworkDHCPLeaseTimeUnitType unit;
};
typedef struct _virNetworkDHCPRangeDef virNetworkDHCPRangeDef;
typedef virNetworkDHCPRangeDef *virNetworkDHCPRangeDefPtr;
struct _virNetworkDHCPRangeDef {
virSocketAddrRange addr;
virNetworkDHCPLeaseTimeDefPtr lease;
};
typedef struct _virNetworkDHCPHostDef virNetworkDHCPHostDef;
typedef virNetworkDHCPHostDef *virNetworkDHCPHostDefPtr;
struct _virNetworkDHCPHostDef {
@ -101,6 +125,7 @@ struct _virNetworkDHCPHostDef {
char *id;
char *name;
virSocketAddr ip;
virNetworkDHCPLeaseTimeDefPtr lease;
};
typedef struct _virNetworkDNSTxtDef virNetworkDNSTxtDef;
@ -171,7 +196,7 @@ struct _virNetworkIPDef {
int localPTR; /* virTristateBool */
size_t nranges; /* Zero or more dhcp ranges */
virSocketAddrRangePtr ranges;
virNetworkDHCPRangeDefPtr ranges;
size_t nhosts; /* Zero or more dhcp hosts */
virNetworkDHCPHostDefPtr hosts;

3
src/libvirt_private.syms
View File

@ -772,6 +772,8 @@ virNetworkDefParseNode;
virNetworkDefParseString;
virNetworkDefParseXML;
virNetworkDefUpdateSection;
virNetworkDHCPLeaseTimeUnitTypeFromString;
virNetworkDHCPLeaseTimeUnitTypeToString;
virNetworkForwardTypeToString;
virNetworkIPDefNetmask;
virNetworkIPDefPrefix;
@ -1950,6 +1952,7 @@ dnsmasqCapsRefresh;
dnsmasqContextFree;
dnsmasqContextNew;
dnsmasqDelete;
dnsmasqDhcpHostsToString;
dnsmasqReload;
dnsmasqSave;

56
src/network/bridge_driver.c
View File

@ -966,6 +966,30 @@ static int networkConnectIsAlive(virConnectPtr conn G_GNUC_UNUSED)
}
static char *
networkBuildDnsmasqLeaseTime(virNetworkDHCPLeaseTimeDefPtr lease)
{
char *leasetime = NULL;
const char *unit;
g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
if (!lease)
return NULL;
if (lease->expiry == 0) {
virBufferAddLit(&buf, "infinite");
} else {
unit = virNetworkDHCPLeaseTimeUnitTypeToString(lease->unit);
/* We get only first compatible char from string: 's', 'm' or 'h' */
virBufferAsprintf(&buf, "%lu%c", lease->expiry, unit[0]);
}
leasetime = virBufferContentAndReset(&buf);
return leasetime;
}
/* the following does not build a file, it builds a list
* which is later saved into a file
*/
@ -975,14 +999,18 @@ networkBuildDnsmasqDhcpHostsList(dnsmasqContext *dctx,
{
size_t i;
bool ipv6 = false;
g_autofree char *leasetime = NULL;
if (VIR_SOCKET_ADDR_IS_FAMILY(&ipdef->address, AF_INET6))
ipv6 = true;
for (i = 0; i < ipdef->nhosts; i++) {
virNetworkDHCPHostDefPtr host = &(ipdef->hosts[i]);
leasetime = networkBuildDnsmasqLeaseTime(host->lease);
if (VIR_SOCKET_ADDR_VALID(&host->ip))
if (dnsmasqAddDhcpHost(dctx, host->mac, &host->ip,
host->name, host->id, ipv6) < 0)
host->name, host->id, leasetime,
ipv6) < 0)
return -1;
}
@ -1052,6 +1080,7 @@ int
networkDnsmasqConfContents(virNetworkObjPtr obj,
const char *pidfile,
char **configstr,
char **hostsfilestr,
dnsmasqContext *dctx,
dnsmasqCapsPtr caps G_GNUC_UNUSED)
{
@ -1381,13 +1410,15 @@ networkDnsmasqConfContents(virNetworkObjPtr obj,
}
for (r = 0; r < ipdef->nranges; r++) {
int thisRange;
virNetworkDHCPRangeDef range = ipdef->ranges[r];
g_autofree char *leasetime = NULL;
if (!(saddr = virSocketAddrFormat(&ipdef->ranges[r].start)) ||
!(eaddr = virSocketAddrFormat(&ipdef->ranges[r].end)))
if (!(saddr = virSocketAddrFormat(&range.addr.start)) ||
!(eaddr = virSocketAddrFormat(&range.addr.end)))
goto cleanup;
if (VIR_SOCKET_ADDR_IS_FAMILY(&ipdef->address, AF_INET6)) {
virBufferAsprintf(&configbuf, "dhcp-range=%s,%s,%d\n",
virBufferAsprintf(&configbuf, "dhcp-range=%s,%s,%d",
saddr, eaddr, prefix);
} else {
/* IPv4 - dnsmasq requires a netmask rather than prefix */
@ -1404,14 +1435,19 @@ networkDnsmasqConfContents(virNetworkObjPtr obj,
if (!(netmaskStr = virSocketAddrFormat(&netmask)))
goto cleanup;
virBufferAsprintf(&configbuf, "dhcp-range=%s,%s,%s\n",
virBufferAsprintf(&configbuf, "dhcp-range=%s,%s,%s",
saddr, eaddr, netmaskStr);
}
if ((leasetime = networkBuildDnsmasqLeaseTime(range.lease)))
virBufferAsprintf(&configbuf, ",%s", leasetime);
virBufferAddLit(&configbuf, "\n");
VIR_FREE(saddr);
VIR_FREE(eaddr);
thisRange = virSocketAddrGetRange(&ipdef->ranges[r].start,
&ipdef->ranges[r].end,
thisRange = virSocketAddrGetRange(&range.addr.start,
&range.addr.end,
&ipdef->address,
virNetworkIPDefPrefix(ipdef));
if (thisRange < 0)
@ -1525,6 +1561,9 @@ networkDnsmasqConfContents(virNetworkObjPtr obj,
if (!(*configstr = virBufferContentAndReset(&configbuf)))
goto cleanup;
*hostsfilestr = dnsmasqDhcpHostsToString(dctx->hostsfile->hosts,
dctx->hostsfile->nhosts);
ret = 0;
cleanup:
@ -1549,11 +1588,12 @@ networkBuildDhcpDaemonCommandLine(virNetworkDriverStatePtr driver,
int ret = -1;
char *configfile = NULL;
char *configstr = NULL;
char *hostsfilestr = NULL;
char *leaseshelper_path = NULL;
virNetworkObjSetDnsmasqPid(obj, -1);
if (networkDnsmasqConfContents(obj, pidfile, &configstr,
if (networkDnsmasqConfContents(obj, pidfile, &configstr, &hostsfilestr,
dctx, dnsmasq_caps) < 0)
goto cleanup;
if (!configstr)

1
src/network/bridge_driver.h
View File

@ -46,5 +46,6 @@ int
networkDnsmasqConfContents(virNetworkObjPtr obj,
const char *pidfile,
char **configstr,
char **hostsfilestr,
dnsmasqContext *dctx,
dnsmasqCapsPtr caps);

2
src/test/test_driver.c
View File

@ -5025,7 +5025,7 @@ testDomainInterfaceAddressFromNet(testDriverPtr driver,
net_def->ips->prefix);
if (net_def->ips->nranges > 0)
addr = net_def->ips->ranges[0].start;
addr = net_def->ips->ranges[0].addr.start;
else
addr = net_def->ips->address;

60
src/util/virdnsmasq.c
View File

@ -296,11 +296,14 @@ hostsfileAdd(dnsmasqHostsfile *hostsfile,
virSocketAddr *ip,
const char *name,
const char *id,
const char *leasetime,
bool ipv6)
{
char *ipstr = NULL;
g_autofree char *ipstr = NULL;
g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
if (VIR_REALLOC_N(hostsfile->hosts, hostsfile->nhosts + 1) < 0)
goto error;
return -1;
if (!(ipstr = virSocketAddrFormat(ip)))
return -1;
@ -308,34 +311,30 @@ hostsfileAdd(dnsmasqHostsfile *hostsfile,
/* the first test determines if it is a dhcpv6 host */
if (ipv6) {
if (name && id) {
hostsfile->hosts[hostsfile->nhosts].host = g_strdup_printf("id:%s,%s,[%s]",
id, name, ipstr);
virBufferAsprintf(&buf, "id:%s,%s", id, name);
} else if (name && !id) {
hostsfile->hosts[hostsfile->nhosts].host = g_strdup_printf("%s,[%s]",
name, ipstr);
virBufferAsprintf(&buf, "%s", name);
} else if (!name && id) {
hostsfile->hosts[hostsfile->nhosts].host = g_strdup_printf("id:%s,[%s]",
id, ipstr);
virBufferAsprintf(&buf, "id:%s", id);
}
virBufferAsprintf(&buf, ",[%s]", ipstr);
} else if (name && mac) {
hostsfile->hosts[hostsfile->nhosts].host = g_strdup_printf("%s,%s,%s",
mac, ipstr, name);
virBufferAsprintf(&buf, "%s,%s,%s", mac, ipstr, name);
} else if (name && !mac) {
hostsfile->hosts[hostsfile->nhosts].host = g_strdup_printf("%s,%s", name,
ipstr);
virBufferAsprintf(&buf, "%s,%s", name, ipstr);
} else {
hostsfile->hosts[hostsfile->nhosts].host = g_strdup_printf("%s,%s", mac,
ipstr);
virBufferAsprintf(&buf, "%s,%s", mac, ipstr);
}
VIR_FREE(ipstr);
if (leasetime)
virBufferAsprintf(&buf, ",%s", leasetime);
if (!(hostsfile->hosts[hostsfile->nhosts].host = virBufferContentAndReset(&buf)))
return -1;
hostsfile->nhosts++;
return 0;
error:
VIR_FREE(ipstr);
return -1;
}
static dnsmasqHostsfile *
@ -501,9 +500,10 @@ dnsmasqAddDhcpHost(dnsmasqContext *ctx,
virSocketAddr *ip,
const char *name,
const char *id,
const char *leasetime,
bool ipv6)
{
return hostsfileAdd(ctx->hostsfile, mac, ip, name, id, ipv6);
return hostsfileAdd(ctx->hostsfile, mac, ip, name, id, leasetime, ipv6);
}
/*
@ -862,3 +862,23 @@ dnsmasqCapsGet(dnsmasqCapsPtr caps, dnsmasqCapsFlags flag)
{
return caps && virBitmapIsBitSet(caps->flags, flag);
}
/** dnsmasqDhcpHostsToString:
*
* Turns a vector of dnsmasqDhcpHost into the string that is ought to be
* stored in the hostsfile, this functionality is split to make hostsfiles
* testable. Returs NULL if nhosts is 0.
*/
char *
dnsmasqDhcpHostsToString(dnsmasqDhcpHost *hosts,
unsigned int nhosts)
{
size_t i;
g_auto(virBuffer) buf = VIR_BUFFER_INITIALIZER;
for (i = 0; i < nhosts; i++)
virBufferAsprintf(&buf, "%s\n", hosts[i].host);
return virBufferContentAndReset(&buf);
}

3
src/util/virdnsmasq.h
View File

@ -87,6 +87,7 @@ int dnsmasqAddDhcpHost(dnsmasqContext *ctx,
virSocketAddr *ip,
const char *name,
const char *id,
const char *leasetime,
bool ipv6);
int dnsmasqAddHost(dnsmasqContext *ctx,
virSocketAddr *ip,
@ -104,6 +105,8 @@ int dnsmasqCapsRefresh(dnsmasqCapsPtr *caps, const char *binaryPath);
bool dnsmasqCapsGet(dnsmasqCapsPtr caps, dnsmasqCapsFlags flag);
const char *dnsmasqCapsGetBinaryPath(dnsmasqCapsPtr caps);
unsigned long dnsmasqCapsGetVersion(dnsmasqCapsPtr caps);
char *dnsmasqDhcpHostsToString(dnsmasqDhcpHost *hosts,
unsigned int nhosts);
#define DNSMASQ_DHCPv6_MAJOR_REQD 2
#define DNSMASQ_DHCPv6_MINOR_REQD 64

16
src/vbox/vbox_network.c
View File

@ -379,6 +379,7 @@ vboxNetworkDefineCreateXML(virConnectPtr conn, const char *xml, bool start)
virNetworkIPDefPtr ipdef = NULL;
unsigned char uuid[VIR_UUID_BUFLEN];
vboxIID vboxnetiid;
virSocketAddrRange addr;
virSocketAddr netmask;
IHost *host = NULL;
virNetworkPtr ret = NULL;
@ -440,9 +441,10 @@ vboxNetworkDefineCreateXML(virConnectPtr conn, const char *xml, bool start)
/* Currently support only one dhcp server per network
* with contigious address space from start to end
*/
addr = ipdef->ranges[0].addr;
if ((ipdef->nranges >= 1) &&
VIR_SOCKET_ADDR_VALID(&ipdef->ranges[0].start) &&
VIR_SOCKET_ADDR_VALID(&ipdef->ranges[0].end)) {
VIR_SOCKET_ADDR_VALID(&addr.start) &&
VIR_SOCKET_ADDR_VALID(&addr.end)) {
IDHCPServer *dhcpServer = NULL;
gVBoxAPI.UIVirtualBox.FindDHCPServerByNetworkName(data->vboxObj,
@ -464,8 +466,8 @@ vboxNetworkDefineCreateXML(virConnectPtr conn, const char *xml, bool start)
ipAddressUtf16 = vboxSocketFormatAddrUtf16(data, &ipdef->address);
networkMaskUtf16 = vboxSocketFormatAddrUtf16(data, &netmask);
fromIPAddressUtf16 = vboxSocketFormatAddrUtf16(data, &ipdef->ranges[0].start);
toIPAddressUtf16 = vboxSocketFormatAddrUtf16(data, &ipdef->ranges[0].end);
fromIPAddressUtf16 = vboxSocketFormatAddrUtf16(data, &addr.start);
toIPAddressUtf16 = vboxSocketFormatAddrUtf16(data, &addr.end);
if (ipAddressUtf16 == NULL || networkMaskUtf16 == NULL ||
fromIPAddressUtf16 == NULL || toIPAddressUtf16 == NULL) {
@ -770,6 +772,7 @@ static char *vboxNetworkGetXMLDesc(virNetworkPtr network, unsigned int flags)
vboxIID vboxnet0IID;
IHost *host = NULL;
char *ret = NULL;
virSocketAddrRange addr;
nsresult rc;
if (!data->vboxObj)
@ -833,14 +836,15 @@ static char *vboxNetworkGetXMLDesc(virNetworkPtr network, unsigned int flags)
/* Currently virtualbox supports only one dhcp server per network
* with contigious address space from start to end
*/
addr = ipdef->ranges[0].addr;
if (vboxSocketParseAddrUtf16(data, ipAddressUtf16,
&ipdef->address) < 0 ||
vboxSocketParseAddrUtf16(data, networkMaskUtf16,
&ipdef->netmask) < 0 ||
vboxSocketParseAddrUtf16(data, fromIPAddressUtf16,
&ipdef->ranges[0].start) < 0 ||
&addr.start) < 0 ||
vboxSocketParseAddrUtf16(data, toIPAddressUtf16,
&ipdef->ranges[0].end) < 0) {
&addr.end) < 0) {
errorOccurred = true;
}

15
tests/networkxml2conftest.c
View File

@ -18,7 +18,8 @@
static int
testCompareXMLToConfFiles(const char *inxml, const char *outconf, dnsmasqCapsPtr caps)
{
char *actual = NULL;
char *confactual = NULL;
char *hostsfileactual = NULL;
int ret = -1;
virNetworkDefPtr def = NULL;
virNetworkObjPtr obj = NULL;
@ -43,28 +44,30 @@ testCompareXMLToConfFiles(const char *inxml, const char *outconf, dnsmasqCapsPtr
if (dctx == NULL)
goto fail;
if (networkDnsmasqConfContents(obj, pidfile, &actual, dctx, caps) < 0)
if (networkDnsmasqConfContents(obj, pidfile, &confactual,
&hostsfileactual, dctx, caps) < 0)
goto fail;
/* Any changes to this function ^^ should be reflected here too. */
#ifndef __linux__
char * tmp;
if (!(tmp = virStringReplace(actual,
if (!(tmp = virStringReplace(confactual,
"except-interface=lo0\n",
"except-interface=lo\n")))
goto fail;
VIR_FREE(actual);
VIR_FREE(confactual);
actual = g_steal_pointer(&tmp);
#endif
if (virTestCompareToFile(actual, outconf) < 0)
if (virTestCompareToFile(confactual, outconf) < 0)
goto fail;
ret = 0;
fail:
VIR_FREE(actual);
VIR_FREE(confactual);
VIR_FREE(hostsfileactual);
VIR_FREE(pidfile);
virCommandFree(cmd);
virObjectUnref(xmlopt);