openkylin
/
libvirt
mirror of https://gitee.com/openkylin/libvirt.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

Add support for STP filtering 

This patch adds support for filtering of STP (spanning tree protocol) traffic
to the parser and makes us of the ebtables support for STP filtering. This code
now enables the filtering of traffic in chains with prefix 'stp'.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
This commit is contained in:
Stefan Berger 2011-11-22 15:12:03 -05:00 committed by Stefan Berger
parent af37ce3dc7
commit ba3bf00acf
5 changed files with 470 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

152
docs/schemas/nwfilter.rng
View File

@ -38,6 +38,16 @@
</element>
</zeroOrMore>
</optional>
<optional>
<zeroOrMore>
<element name="stp">
<ref name="match-attribute"/>
<ref name="srcmacandmask-attributes"/>
<ref name="stp-attributes"/>
<ref name="comment-attribute"/>
</element>
</zeroOrMore>
</optional>
<optional>
<zeroOrMore>
<element name="arp">
@ -299,6 +309,9 @@
<data type="string">
<param name="pattern">mac[a-zA-Z0-9_\.:-]{0,9}</param>
</data>
<data type="string">
<param name="pattern">stp[a-zA-Z0-9_\.:-]{0,9}</param>
</data>
<data type="string">
<param name="pattern">vlan[a-zA-Z0-9_\.:-]{0,8}</param>
</data>
@ -382,7 +395,7 @@
</interleave>
</define>
<define name="common-l2-attributes">
<define name="srcmacandmask-attributes">
<interleave>
<ref name="srcmac-attribute"/>
<optional>
@ -390,6 +403,12 @@
<ref name="addrMAC"/>
</attribute>
</optional>
</interleave>
</define>
<define name="common-l2-attributes">
<interleave>
<ref name="srcmacandmask-attributes"/>
<optional>
<attribute name="dstmacaddr">
<ref name="addrMAC"/>
@ -588,6 +607,119 @@
</interleave>
</define>
<define name="stp-attributes">
<optional>
<attribute name="type">
<ref name="uint8range"/>
</attribute>
</optional>
<optional>
<attribute name="flags">
<ref name="uint8range"/>
</attribute>
</optional>
<optional>
<attribute name="root-priority">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="root-priority-hi">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="root-address">
<ref name="addrMAC"/>
</attribute>
</optional>
<optional>
<attribute name="root-address-mask">
<ref name="addrMAC"/>
</attribute>
</optional>
<optional>
<attribute name="root-cost">
<ref name="uint32range"/>
</attribute>
</optional>
<optional>
<attribute name="root-cost-hi">
<ref name="uint32range"/>
</attribute>
</optional>
<optional>
<attribute name="sender-priority">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="sender-priority-hi">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="sender-address">
<ref name="addrMAC"/>
</attribute>
</optional>
<optional>
<attribute name="sender-address-mask">
<ref name="addrMAC"/>
</attribute>
</optional>
<optional>
<attribute name="port">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="port-hi">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="age">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="age-hi">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="max-age">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="max-age-hi">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="hello-time">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="hello-time-hi">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="forward-delay">
<ref name="uint16range"/>
</attribute>
</optional>
<optional>
<attribute name="forward-delay-hi">
<ref name="uint16range"/>
</attribute>
</optional>
</define>
<define name="arp-attributes">
<interleave>
<optional>
@ -852,6 +984,24 @@
</choice>
</define>
<define name="uint32range">
<choice>
<!-- variable -->
<data type="string">
<param name="pattern">$[a-zA-Z0-9_]+</param>
</data>
<data type="string">
<param name="pattern">0x[0-9a-fA-F]{1,8}</param>
</data>
<data type="int">
<param name="minInclusive">0</param>
<param name="maxInclusive">4294967295</param>
</data>
</choice>
</define>
<define name="boolean">
<choice>
<value>yes</value>

180
src/conf/nwfilter_conf.c
View File

@ -84,6 +84,7 @@ VIR_ENUM_IMPL(virNWFilterChainSuffix, VIR_NWFILTER_CHAINSUFFIX_LAST,
"root",
"mac",
"vlan",
"stp",
"arp",
"rarp",
"ipv4",
@ -93,6 +94,7 @@ VIR_ENUM_IMPL(virNWFilterRuleProtocol, VIR_NWFILTER_RULE_PROTOCOL_LAST,
"none",
"mac",
"vlan",
"stp",
"arp",
"rarp",
"ip",
@ -1047,6 +1049,138 @@ static const virXMLAttr2Struct vlanAttributes[] = {
}
};
/* STP is documented by IEEE 802.1D; for a synopsis,
* see http://www.javvin.com/protocolSTP.html */
static const virXMLAttr2Struct stpAttributes[] = {
/* spanning tree uses a special destination MAC address */
{
.name = SRCMACADDR,
.datatype = DATATYPE_MACADDR,
.dataIdx = offsetof(virNWFilterRuleDef,
p.stpHdrFilter.ethHdr.dataSrcMACAddr),
},
{
.name = SRCMACMASK,
.datatype = DATATYPE_MACMASK,
.dataIdx = offsetof(virNWFilterRuleDef,
p.stpHdrFilter.ethHdr.dataSrcMACMask),
},
{
.name = "type",
.datatype = DATATYPE_UINT8 | DATATYPE_UINT8_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataType),
},
{
.name = "flags",
.datatype = DATATYPE_UINT8 | DATATYPE_UINT8_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataFlags),
},
{
.name = "root-priority",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataRootPri),
},
{
.name = "root-priority-hi",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataRootPriHi),
},
{
.name = "root-address",
.datatype = DATATYPE_MACADDR,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataRootAddr),
},
{
.name = "root-address-mask",
.datatype = DATATYPE_MACMASK,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataRootAddrMask),
},
{
.name = "root-cost",
.datatype = DATATYPE_UINT32 | DATATYPE_UINT32_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataRootCost),
},
{
.name = "root-cost-hi",
.datatype = DATATYPE_UINT32 | DATATYPE_UINT32_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataRootCostHi),
},
{
.name = "sender-priority",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataSndrPrio),
},
{
.name = "sender-priority-hi",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataSndrPrioHi),
},
{
.name = "sender-address",
.datatype = DATATYPE_MACADDR,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataSndrAddr),
},
{
.name = "sender-address-mask",
.datatype = DATATYPE_MACMASK,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataSndrAddrMask),
},
{
.name = "port",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataPort),
},
{
.name = "port-hi",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataPortHi),
},
{
.name = "age",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataAge),
},
{
.name = "age-hi",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataAgeHi),
},
{
.name = "max-age",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataMaxAge),
},
{
.name = "max-age-hi",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataMaxAgeHi),
},
{
.name = "hello-time",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataHelloTime),
},
{
.name = "hello-time-hi",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataHelloTimeHi),
},
{
.name = "forward-delay",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataFwdDelay),
},
{
.name = "forward-delay-hi",
.datatype = DATATYPE_UINT16 | DATATYPE_UINT16_HEX,
.dataIdx = offsetof(virNWFilterRuleDef, p.stpHdrFilter.dataFwdDelayHi),
},
COMMENT_PROP(stpHdrFilter),
{
.name = NULL,
}
};
static const virXMLAttr2Struct arpAttributes[] = {
COMMON_MAC_PROPS(arpHdrFilter),
{
@ -1505,6 +1639,7 @@ static const virAttributes virAttr[] = {
PROTOCOL_ENTRY("rarp" , arpAttributes , VIR_NWFILTER_RULE_PROTOCOL_RARP),
PROTOCOL_ENTRY("mac" , macAttributes , VIR_NWFILTER_RULE_PROTOCOL_MAC),
PROTOCOL_ENTRY("vlan" , vlanAttributes , VIR_NWFILTER_RULE_PROTOCOL_VLAN),
PROTOCOL_ENTRY("stp" , stpAttributes , VIR_NWFILTER_RULE_PROTOCOL_STP),
PROTOCOL_ENTRY("ip" , ipAttributes , VIR_NWFILTER_RULE_PROTOCOL_IP),
PROTOCOL_ENTRY("ipv6" , ipv6Attributes , VIR_NWFILTER_RULE_PROTOCOL_IPV6),
PROTOCOL_ENTRY("tcp" , tcpAttributes , VIR_NWFILTER_RULE_PROTOCOL_TCP),
@ -1628,6 +1763,18 @@ virNWFilterRuleDetailsParse(xmlNodePtr node,
rc = -1;
break;
case DATATYPE_UINT32_HEX:
base = 16;
/* fallthrough */
case DATATYPE_UINT32:
if (virStrToLong_ui(prop, NULL, base, &uint_val) >= 0) {
item->u.u32 = uint_val;
found = 1;
data.ui = uint_val;
} else
rc = -1;
break;
case DATATYPE_IPADDR:
if (virSocketAddrParseIPv4(&item->u.ipaddr, prop) < 0)
rc = -1;
@ -1839,6 +1986,31 @@ virNWFilterRuleDefFixup(virNWFilterRuleDefPtr rule)
rule->p.vlanHdrFilter.ethHdr.dataDstMACAddr);
break;
case VIR_NWFILTER_RULE_PROTOCOL_STP:
COPY_NEG_SIGN(rule->p.stpHdrFilter.ethHdr.dataSrcMACMask,
rule->p.stpHdrFilter.ethHdr.dataSrcMACAddr);
COPY_NEG_SIGN(rule->p.stpHdrFilter.dataRootPriHi,
rule->p.stpHdrFilter.dataRootPri);
COPY_NEG_SIGN(rule->p.stpHdrFilter.dataRootAddrMask,
rule->p.stpHdrFilter.dataRootAddr);
COPY_NEG_SIGN(rule->p.stpHdrFilter.dataRootCostHi,
rule->p.stpHdrFilter.dataRootCost);
COPY_NEG_SIGN(rule->p.stpHdrFilter.dataSndrPrioHi,
rule->p.stpHdrFilter.dataSndrPrio);
COPY_NEG_SIGN(rule->p.stpHdrFilter.dataSndrAddrMask,
rule->p.stpHdrFilter.dataSndrAddr);
COPY_NEG_SIGN(rule->p.stpHdrFilter.dataPortHi,
rule->p.stpHdrFilter.dataPort);
COPY_NEG_SIGN(rule->p.stpHdrFilter.dataAgeHi,
rule->p.stpHdrFilter.dataAge);
COPY_NEG_SIGN(rule->p.stpHdrFilter.dataMaxAgeHi,
rule->p.stpHdrFilter.dataMaxAge);
COPY_NEG_SIGN(rule->p.stpHdrFilter.dataHelloTimeHi,
rule->p.stpHdrFilter.dataHelloTime);
COPY_NEG_SIGN(rule->p.stpHdrFilter.dataFwdDelayHi,
rule->p.stpHdrFilter.dataFwdDelay);
break;
case VIR_NWFILTER_RULE_PROTOCOL_IP:
COPY_NEG_SIGN(rule->p.ipHdrFilter.ipHdr.dataSrcIPMask,
rule->p.ipHdrFilter.ipHdr.dataSrcIPAddr);
@ -2921,6 +3093,14 @@ virNWFilterRuleDefDetailsFormat(virBufferPtr buf,
item->u.u16);
break;
case DATATYPE_UINT32_HEX:
asHex = true;
/* fallthrough */
case DATATYPE_UINT32:
virBufferAsprintf(buf, asHex ? "0x%x" : "%u",
item->u.u32);
break;
case DATATYPE_IPADDR:
case DATATYPE_IPV6ADDR:
virNWIPAddressFormat(buf,

41
src/conf/nwfilter_conf.h
View File

@ -101,10 +101,14 @@ enum attrDatatype {
DATATYPE_IPV6MASK = (1 << 10),
DATATYPE_STRINGCOPY = (1 << 11),
DATATYPE_BOOLEAN = (1 << 12),
DATATYPE_UINT32 = (1 << 13),
DATATYPE_UINT32_HEX = (1 << 14),
DATATYPE_LAST = (1 << 13),
DATATYPE_LAST = (1 << 15),
};
# define NWFILTER_MAC_BGA "01:80:c2:00:00:00"
typedef struct _nwMACAddress nwMACAddress;
typedef nwMACAddress *nwMACAddressPtr;
@ -125,6 +129,7 @@ struct _nwItemDesc {
bool boolean;
uint8_t u8;
uint16_t u16;
uint32_t u32;
char protocolID[10];
char *string;
struct {
@ -164,6 +169,36 @@ struct _vlanHdrFilterDef {
};
typedef struct _stpHdrFilterDef stpHdrFilterDef;
typedef stpHdrFilterDef *stpHdrFilterDefPtr;
struct _stpHdrFilterDef {
ethHdrDataDef ethHdr;
nwItemDesc dataType;
nwItemDesc dataFlags;
nwItemDesc dataRootPri;
nwItemDesc dataRootPriHi;
nwItemDesc dataRootAddr;
nwItemDesc dataRootAddrMask;
nwItemDesc dataRootCost;
nwItemDesc dataRootCostHi;
nwItemDesc dataSndrPrio;
nwItemDesc dataSndrPrioHi;
nwItemDesc dataSndrAddr;
nwItemDesc dataSndrAddrMask;
nwItemDesc dataPort;
nwItemDesc dataPortHi;
nwItemDesc dataAge;
nwItemDesc dataAgeHi;
nwItemDesc dataMaxAge;
nwItemDesc dataMaxAgeHi;
nwItemDesc dataHelloTime;
nwItemDesc dataHelloTimeHi;
nwItemDesc dataFwdDelay;
nwItemDesc dataFwdDelayHi;
nwItemDesc dataComment;
};
typedef struct _arpHdrFilterDef arpHdrFilterDef;
typedef arpHdrFilterDef *arpHdrFilterDefPtr;
struct _arpHdrFilterDef {
@ -337,6 +372,7 @@ enum virNWFilterRuleProtocolType {
VIR_NWFILTER_RULE_PROTOCOL_NONE = 0,
VIR_NWFILTER_RULE_PROTOCOL_MAC,
VIR_NWFILTER_RULE_PROTOCOL_VLAN,
VIR_NWFILTER_RULE_PROTOCOL_STP,
VIR_NWFILTER_RULE_PROTOCOL_ARP,
VIR_NWFILTER_RULE_PROTOCOL_RARP,
VIR_NWFILTER_RULE_PROTOCOL_IP,
@ -378,6 +414,7 @@ enum virNWFilterEbtablesTableType {
# define NWFILTER_MAX_FILTER_PRIORITY MAX_RULE_PRIORITY
# define NWFILTER_ROOT_FILTER_PRI 0
# define NWFILTER_STP_FILTER_PRI -810
# define NWFILTER_MAC_FILTER_PRI -800
# define NWFILTER_VLAN_FILTER_PRI -750
# define NWFILTER_IPV4_FILTER_PRI -700
@ -418,6 +455,7 @@ struct _virNWFilterRuleDef {
union {
ethHdrFilterDef ethHdrFilter;
vlanHdrFilterDef vlanHdrFilter;
stpHdrFilterDef stpHdrFilter;
arpHdrFilterDef arpHdrFilter; /* also used for rarp */
ipHdrFilterDef ipHdrFilter;
ipv6HdrFilterDef ipv6HdrFilter;
@ -459,6 +497,7 @@ enum virNWFilterChainSuffixType {
VIR_NWFILTER_CHAINSUFFIX_ROOT = 0,
VIR_NWFILTER_CHAINSUFFIX_MAC,
VIR_NWFILTER_CHAINSUFFIX_VLAN,
VIR_NWFILTER_CHAINSUFFIX_STP,
VIR_NWFILTER_CHAINSUFFIX_ARP,
VIR_NWFILTER_CHAINSUFFIX_RARP,
VIR_NWFILTER_CHAINSUFFIX_IPv4,

1
src/libvirt_private.syms
View File

@ -830,6 +830,7 @@ virNWFilterPrintStateMatchFlags;
virNWFilterPrintTCPFlags;
virNWFilterRegisterCallbackDriver;
virNWFilterRuleActionTypeToString;
virNWFilterRuleDirectionTypeToString;
virNWFilterRuleProtocolTypeToString;
virNWFilterTestUnassignDef;
virNWFilterUnlockFilterUpdates;

103
src/nwfilter/nwfilter_ebiptables_driver.c
View File

@ -41,6 +41,7 @@
#include "virfile.h"
#include "command.h"
#include "configmake.h"
#include "intprops.h"
#define VIR_FROM_THIS VIR_FROM_NWFILTER
@ -190,6 +191,7 @@ enum l3_proto_idx {
L3_PROTO_RARP_IDX,
L2_PROTO_MAC_IDX,
L2_PROTO_VLAN_IDX,
L2_PROTO_STP_IDX,
L3_PROTO_LAST_IDX
};
@ -206,6 +208,7 @@ static const struct ushort_map l3_protocols[] = {
USHORTMAP_ENTRY_IDX(L3_PROTO_ARP_IDX , ETHERTYPE_ARP , "arp"),
USHORTMAP_ENTRY_IDX(L3_PROTO_RARP_IDX, ETHERTYPE_REVARP, "rarp"),
USHORTMAP_ENTRY_IDX(L2_PROTO_VLAN_IDX, ETHERTYPE_VLAN , "vlan"),
USHORTMAP_ENTRY_IDX(L2_PROTO_STP_IDX, 0 , "stp"),
USHORTMAP_ENTRY_IDX(L2_PROTO_MAC_IDX, 0 , "mac"),
USHORTMAP_ENTRY_IDX(L3_PROTO_LAST_IDX, 0 , NULL),
};
@ -306,6 +309,16 @@ _printDataType(virNWFilterVarCombIterPtr vars,
}
break;
case DATATYPE_UINT32:
case DATATYPE_UINT32_HEX:
if (snprintf(buf, bufsize, asHex ? "0x%x" : "%u",
item->u.u32) >= bufsize) {
virNWFilterReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Buffer too small for uint32 type"));
return 1;
}
break;
case DATATYPE_UINT16:
case DATATYPE_UINT16_HEX:
if (snprintf(buf, bufsize, asHex ? "0x%x" : "%d",
@ -937,7 +950,8 @@ iptablesHandleIpHdr(virBufferPtr buf,
virBufferPtr prefix)
{
char ipaddr[INET6_ADDRSTRLEN],
number[20];
number[MAX(INT_BUFSIZE_BOUND(uint32_t),
INT_BUFSIZE_BOUND(int))];
const char *src = "--source";
const char *dst = "--destination";
const char *srcrange = "--src-range";
@ -1218,7 +1232,8 @@ _iptablesCreateRuleInstance(int directionIn,
bool maySkipICMP)
{
char chain[MAX_CHAINNAME_LENGTH];
char number[20];
char number[MAX(INT_BUFSIZE_BOUND(uint32_t),
INT_BUFSIZE_BOUND(int))];
virBuffer prefix = VIR_BUFFER_INITIALIZER;
virBuffer buf = VIR_BUFFER_INITIALIZER;
virBuffer afterStateMatch = VIR_BUFFER_INITIALIZER;
@ -1953,7 +1968,9 @@ ebtablesCreateRuleInstance(char chainPrefix,
char macaddr[VIR_MAC_STRING_BUFLEN],
ipaddr[INET_ADDRSTRLEN],
ipv6addr[INET6_ADDRSTRLEN],
number[20];
number[MAX(INT_BUFSIZE_BOUND(uint32_t),
INT_BUFSIZE_BOUND(int))],
field[MAX(VIR_MAC_STRING_BUFLEN, INET6_ADDRSTRLEN)];
char chain[MAX_CHAINNAME_LENGTH];
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *target;
@ -2019,19 +2036,91 @@ ebtablesCreateRuleInstance(char chainPrefix,
#define INST_ITEM(STRUCT, ITEM, CLI) \
if (HAS_ENTRY_ITEM(&rule->p.STRUCT.ITEM)) { \
if (printDataType(vars, \
number, sizeof(number), \
field, sizeof(field), \
&rule->p.STRUCT.ITEM)) \
goto err_exit; \
virBufferAsprintf(&buf, \
" " CLI " %s %s", \
ENTRY_GET_NEG_SIGN(&rule->p.STRUCT.ITEM), \
number); \
field); \
}
#define INST_ITEM_2PARMS(STRUCT, ITEM, ITEM_HI, CLI, SEP) \
if (HAS_ENTRY_ITEM(&rule->p.STRUCT.ITEM)) { \
if (printDataType(vars, \
field, sizeof(field), \
&rule->p.STRUCT.ITEM)) \
goto err_exit; \
virBufferAsprintf(&buf, \
" " CLI " %s %s", \
ENTRY_GET_NEG_SIGN(&rule->p.STRUCT.ITEM), \
field); \
if (HAS_ENTRY_ITEM(&rule->p.STRUCT.ITEM_HI)) { \
if (printDataType(vars, \
field, sizeof(field), \
&rule->p.STRUCT.ITEM_HI)) \
goto err_exit; \
virBufferAsprintf(&buf, SEP "%s", field); \
} \
}
#define INST_ITEM_RANGE(S, I, I_HI, C) \
INST_ITEM_2PARMS(S, I, I_HI, C, ":")
#define INST_ITEM_MASK(S, I, MASK, C) \
INST_ITEM_2PARMS(S, I, MASK, C, "/")
INST_ITEM(vlanHdrFilter, dataVlanID, "--vlan-id")
INST_ITEM(vlanHdrFilter, dataVlanEncap, "--vlan-encap")
break;
case VIR_NWFILTER_RULE_PROTOCOL_STP:
/* cannot handle inout direction with srcmask set in reverse dir.
since this clashes with -d below... */
if (reverse &&
HAS_ENTRY_ITEM(&rule->p.stpHdrFilter.ethHdr.dataSrcMACAddr)) {
virNWFilterReportError(VIR_ERR_INTERNAL_ERROR,
_("STP filtering in %s direction with "
"source MAC address set is not supported"),
virNWFilterRuleDirectionTypeToString(
VIR_NWFILTER_RULE_DIRECTION_INOUT));
return -1;
}
virBufferAsprintf(&buf,
CMD_DEF_PRE "%s -t %s -%%c %s %%s",
ebtables_cmd_path, EBTABLES_DEFAULT_TABLE, chain);
if (ebtablesHandleEthHdr(&buf,
vars,
&rule->p.stpHdrFilter.ethHdr,
reverse))
goto err_exit;
virBufferAddLit(&buf, " -d " NWFILTER_MAC_BGA);
INST_ITEM(stpHdrFilter, dataType, "--stp-type")
INST_ITEM(stpHdrFilter, dataFlags, "--stp-flags")
INST_ITEM_RANGE(stpHdrFilter, dataRootPri, dataRootPriHi,
"--stp-root-pri");
INST_ITEM_MASK( stpHdrFilter, dataRootAddr, dataRootAddrMask,
"--stp-root-addr");
INST_ITEM_RANGE(stpHdrFilter, dataRootCost, dataRootCostHi,
"--stp-root-cost");
INST_ITEM_RANGE(stpHdrFilter, dataSndrPrio, dataSndrPrioHi,
"--stp-sender-prio");
INST_ITEM_MASK( stpHdrFilter, dataSndrAddr, dataSndrAddrMask,
"--stp-sender-addr");
INST_ITEM_RANGE(stpHdrFilter, dataPort, dataPortHi, "--stp-port");
INST_ITEM_RANGE(stpHdrFilter, dataAge, dataAgeHi, "--stp-msg-age");
INST_ITEM_RANGE(stpHdrFilter, dataMaxAge, dataMaxAgeHi,
"--stp-max-age");
INST_ITEM_RANGE(stpHdrFilter, dataHelloTime, dataHelloTimeHi,
"--stp-hello-time");
INST_ITEM_RANGE(stpHdrFilter, dataFwdDelay, dataFwdDelayHi,
"--stp-forward-delay");
break;
case VIR_NWFILTER_RULE_PROTOCOL_ARP:
case VIR_NWFILTER_RULE_PROTOCOL_RARP:
@ -2480,6 +2569,7 @@ ebiptablesCreateRuleInstance(virConnectPtr conn ATTRIBUTE_UNUSED,
case VIR_NWFILTER_RULE_PROTOCOL_IP:
case VIR_NWFILTER_RULE_PROTOCOL_MAC:
case VIR_NWFILTER_RULE_PROTOCOL_VLAN:
case VIR_NWFILTER_RULE_PROTOCOL_STP:
case VIR_NWFILTER_RULE_PROTOCOL_ARP:
case VIR_NWFILTER_RULE_PROTOCOL_RARP:
case VIR_NWFILTER_RULE_PROTOCOL_NONE:
@ -2818,6 +2908,9 @@ ebtablesCreateTmpSubChain(ebiptablesRuleInstPtr *inst,
case L2_PROTO_MAC_IDX:
protostr = strdup("");
break;
case L2_PROTO_STP_IDX:
virAsprintf(&protostr, "-d " NWFILTER_MAC_BGA " ");
break;
default:
virAsprintf(&protostr, "-p 0x%04x ", l3_protocols[protoidx].attr);
break;