static int testMaskNetwork(const char *addrstr,
int prefix,
const char *networkstr)
{
virSocketAddr addr;
virSocketAddr network;
char *gotnet = NULL;
/* Intentionally fill with garbage */
memset(&network, 1, sizeof(network));
if (virSocketAddrParse(&addr, addrstr, AF_UNSPEC) < 0)
return -1;
if (virSocketAddrMaskByPrefix(&addr, prefix, &network) < 0)
return -1;
if (!(gotnet = virSocketAddrFormat(&network)))
return -1;
if (STRNEQ(networkstr, gotnet)) {
VIR_FREE(gotnet);
fprintf(stderr, "Expected %s, got %s\n", networkstr, gotnet);
return -1;
}
VIR_FREE(gotnet);
return 0;
}
static int testRange(const char *saddrstr, const char *eaddrstr, int size, bool pass)
{
virSocketAddr saddr;
virSocketAddr eaddr;
if (virSocketAddrParse(&saddr, saddrstr, AF_UNSPEC) < 0)
return -1;
if (virSocketAddrParse(&eaddr, eaddrstr, AF_UNSPEC) < 0)
return -1;
int gotsize = virSocketAddrGetRange(&saddr, &eaddr);
VIR_DEBUG("Size want %d vs got %d", size, gotsize);
if (gotsize < 0 || gotsize != size) {
return pass ? -1 : 0;
} else {
return pass ? 0 : -1;
}
}
static int testParse(virSocketAddr *addr, const char *addrstr, int family, bool pass)
{
int rc;
rc = virSocketAddrParse(addr, addrstr, family);
if (rc < 0)
return pass ? -1 : 0;
else
return pass ? 0 : -1;
}
static int testWildcard(const char *addrstr,
bool pass)
{
virSocketAddr addr;
if (virSocketAddrParse(&addr, addrstr, AF_UNSPEC) < 0)
return -1;
if (virSocketAddrIsWildcard(&addr))
return pass ? 0 : -1;
return pass ? -1 : 0;
}
static int testNetmask(const char *addr1str, const char *addr2str,
const char *netmaskstr, bool pass)
{
virSocketAddr addr1;
virSocketAddr addr2;
virSocketAddr netmask;
if (virSocketAddrParse(&addr1, addr1str, AF_UNSPEC) < 0)
return -1;
if (virSocketAddrParse(&addr2, addr2str, AF_UNSPEC) < 0)
return -1;
if (virSocketAddrParse(&netmask, netmaskstr, AF_UNSPEC) < 0)
return -1;
int ret = virSocketAddrCheckNetmask(&addr1, &addr2, &netmask);
if (ret <= 0) {
return pass ? -1 : 0;
} else {
return pass ? 0 : -1;
}
}
static int
vboxSocketParseAddrUtf16(vboxDriverPtr data, const PRUnichar *utf16,
virSocketAddrPtr addr)
{
int result = -1;
char *utf8 = NULL;
VBOX_UTF16_TO_UTF8(utf16, &utf8);
if (virSocketAddrParse(addr, utf8, AF_UNSPEC) < 0)
goto cleanup;
result = 0;
cleanup:
VBOX_UTF8_FREE(utf8);
return result;
}
static int
lxcNetworkParseDataIPs(const char *name,
virConfValuePtr value,
lxcNetworkParseData *parseData)
{
int family = AF_INET;
char **ipparts = NULL;
virNetDevIPAddrPtr ip = NULL;
if (VIR_ALLOC(ip) < 0)
return -1;
if (STREQ(name, "ipv6"))
family = AF_INET6;
ipparts = virStringSplit(value->str, "/", 2);
if (virStringListLength((const char * const *)ipparts) != 2 ||
virSocketAddrParse(&ip->address, ipparts[0], family) < 0 ||
virStrToLong_ui(ipparts[1], NULL, 10, &ip->prefix) < 0) {
virReportError(VIR_ERR_INVALID_ARG,
_("Invalid CIDR address: '%s'"), value->str);
virStringListFree(ipparts);
VIR_FREE(ip);
return -1;
}
virStringListFree(ipparts);
if (VIR_APPEND_ELEMENT(parseData->ips, parseData->nips, ip) < 0) {
VIR_FREE(ip);
return -1;
}
return 0;
}
/*
* virSocketAddrParseIPv6:
* @val: an IPv6 numeric address
* @addr: the location to store the result
*
* Extract the address storage from an IPv6 numeric address
*
* Returns the length of the network address or -1 in case of error.
*/
int
virSocketAddrParseIPv6(virSocketAddrPtr addr, const char *val) {
return virSocketAddrParse(addr, val, AF_INET6);
}
static int
lxcNetworkWalkCallback(const char *name, virConfValuePtr value, void *data)
{
lxcNetworkParseData *parseData = data;
int status;
if (STREQ(name, "lxc.network.type")) {
/* Store the previous NIC */
status = lxcAddNetworkDefinition(parseData);
if (status < 0)
return -1;
else if (status > 0)
parseData->networks++;
else if (parseData->type != NULL && STREQ(parseData->type, "none"))
parseData->privnet = false;
/* Start a new network interface config */
parseData->type = NULL;
parseData->link = NULL;
parseData->mac = NULL;
parseData->flag = NULL;
parseData->macvlanmode = NULL;
parseData->vlanid = NULL;
parseData->name = NULL;
parseData->ips = NULL;
parseData->nips = 0;
/* Keep the new value */
parseData->type = value->str;
}
else if (STREQ(name, "lxc.network.link"))
parseData->link = value->str;
else if (STREQ(name, "lxc.network.hwaddr"))
parseData->mac = value->str;
else if (STREQ(name, "lxc.network.flags"))
parseData->flag = value->str;
else if (STREQ(name, "lxc.network.macvlan.mode"))
parseData->macvlanmode = value->str;
else if (STREQ(name, "lxc.network.vlan.id"))
parseData->vlanid = value->str;
else if (STREQ(name, "lxc.network.name"))
parseData->name = value->str;
else if (STREQ(name, "lxc.network.ipv4") ||
STREQ(name, "lxc.network.ipv6")) {
int family = AF_INET;
char **ipparts = NULL;
virDomainNetIpDefPtr ip = NULL;
if (VIR_ALLOC(ip) < 0)
return -1;
if (STREQ(name, "lxc.network.ipv6"))
family = AF_INET6;
ipparts = virStringSplit(value->str, "/", 2);
if (virStringListLength((const char * const *)ipparts) != 2 ||
virSocketAddrParse(&ip->address, ipparts[0], family) < 0 ||
virStrToLong_ui(ipparts[1], NULL, 10, &ip->prefix) < 0) {
virReportError(VIR_ERR_INVALID_ARG,
_("Invalid CIDR address: '%s'"), value->str);
virStringFreeList(ipparts);
VIR_FREE(ip);
return -1;
}
virStringFreeList(ipparts);
if (VIR_APPEND_ELEMENT(parseData->ips, parseData->nips, ip) < 0) {
VIR_FREE(ip);
return -1;
}
} else if (STREQ(name, "lxc.network.ipv4.gateway")) {
parseData->gateway_ipv4 = value->str;
} else if (STREQ(name, "lxc.network.ipv6.gateway")) {
parseData->gateway_ipv6 = value->str;
} else if (STRPREFIX(name, "lxc.network")) {
VIR_WARN("Unhandled network property: %s = %s",
name,
value->str);
}
return 0;
}
virNetDevIPRoutePtr
virNetDevIPRouteCreate(const char *errorDetail,
const char *family,
const char *address,
const char *netmask,
const char *gateway,
unsigned int prefix,
bool hasPrefix,
unsigned int metric,
bool hasMetric)
{
virNetDevIPRoutePtr def = NULL;
virSocketAddr testAddr;
if (VIR_ALLOC(def) < 0)
return NULL;
if (VIR_STRDUP(def->family, family) < 0)
goto error;
def->prefix = prefix;
def->has_prefix = hasPrefix;
def->metric = metric;
def->has_metric = hasMetric;
/* Note: both network and gateway addresses must be specified */
if (!address) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: Missing required address attribute "
"in route definition"),
errorDetail);
goto error;
}
if (!gateway) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: Missing required gateway attribute "
"in route definition"),
errorDetail);
goto error;
}
if (virSocketAddrParse(&def->address, address, AF_UNSPEC) < 0) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: Bad network address '%s' "
"in route definition"),
errorDetail, address);
goto error;
}
if (virSocketAddrParse(&def->gateway, gateway, AF_UNSPEC) < 0) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: Bad gateway address '%s' "
"in route definition"),
errorDetail, gateway);
goto error;
}
/* validate network address, etc. for each family */
if ((def->family == NULL) || (STREQ(def->family, "ipv4"))) {
if (!(VIR_SOCKET_ADDR_IS_FAMILY(&def->address, AF_INET) ||
VIR_SOCKET_ADDR_IS_FAMILY(&def->address, AF_UNSPEC))) {
virReportError(VIR_ERR_XML_ERROR,
def->family == NULL ?
_("%s: No family specified for non-IPv4 address '%s' "
"in route definition") :
_("%s: IPv4 family specified for non-IPv4 address '%s' "
"in route definition"),
errorDetail, address);
goto error;
}
if (!VIR_SOCKET_ADDR_IS_FAMILY(&def->gateway, AF_INET)) {
virReportError(VIR_ERR_XML_ERROR,
def->family == NULL ?
_("%s: No family specified for non-IPv4 gateway '%s' "
"in route definition") :
_("%s: IPv4 family specified for non-IPv4 gateway '%s' "
"in route definition"),
errorDetail, address);
goto error;
}
if (netmask) {
if (virSocketAddrParse(&def->netmask, netmask, AF_UNSPEC) < 0) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: Bad netmask address '%s' "
"in route definition"),
errorDetail, netmask);
goto error;
}
if (!VIR_SOCKET_ADDR_IS_FAMILY(&def->netmask, AF_INET)) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: Invalid netmask '%s' "
"for address '%s' (both must be IPv4)"),
errorDetail, netmask, address);
goto error;
}
if (def->has_prefix) {
/* can't have both netmask and prefix at the same time */
virReportError(VIR_ERR_XML_ERROR,
_("%s: Route definition cannot have both "
"a prefix and a netmask"),
errorDetail);
goto error;
}
}
if (def->prefix > 32) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: Invalid prefix %u specified "
"in route definition, "
"must be 0 - 32"),
errorDetail, def->prefix);
goto error;
}
} else if (STREQ(def->family, "ipv6")) {
if (!VIR_SOCKET_ADDR_IS_FAMILY(&def->address, AF_INET6)) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: ipv6 family specified for non-IPv6 address '%s' "
"in route definition"),
errorDetail, address);
goto error;
}
if (netmask) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: Specifying netmask invalid for IPv6 address '%s' "
"in route definition"),
errorDetail, address);
goto error;
}
if (!VIR_SOCKET_ADDR_IS_FAMILY(&def->gateway, AF_INET6)) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: ipv6 specified for non-IPv6 gateway address '%s' "
"in route definition"),
errorDetail, gateway);
goto error;
}
if (def->prefix > 128) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: Invalid prefix %u specified "
"in route definition, "
"must be 0 - 128"),
errorDetail, def->prefix);
goto error;
}
} else {
virReportError(VIR_ERR_XML_ERROR,
_("%s: Unrecognized family '%s' "
"in route definition"),
errorDetail, def->family);
goto error;
}
/* make sure the address is a network address */
if (netmask) {
if (virSocketAddrMask(&def->address, &def->netmask, &testAddr) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("%s: Error converting address '%s' with netmask '%s' "
"to network-address "
"in route definition"),
errorDetail, address, netmask);
goto error;
}
} else {
if (virSocketAddrMaskByPrefix(&def->address,
def->prefix, &testAddr) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("%s: Error converting address '%s' with prefix %u "
"to network-address "
"in route definition"),
errorDetail, address, def->prefix);
goto error;
}
}
if (!virSocketAddrEqual(&def->address, &testAddr)) {
virReportError(VIR_ERR_XML_ERROR,
_("%s: Address '%s' in route definition "
"is not a network address"),
errorDetail, address);
goto error;
}
return def;
error:
virNetDevIPRouteFree(def);
return NULL;
}
