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Add a tags both equal match.

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This commit is contained in:
Adam Ierymenko 2016-10-05 16:38:42 -07:00
parent adeb7e7da0
commit 45c4ccb153
4 changed files with 22 additions and 1 deletions
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11
controller/EmbeddedNetworkController.cpp
View File

@ -287,6 +287,12 @@ static json _renderRule(ZT_VirtualNetworkRule &rule)
r["id"] = rule.v.tag.id;
r["value"] = rule.v.tag.value;
break;
case ZT_NETWORK_RULE_MATCH_TAGS_EQUAL:
r["type"] = "MATCH_TAGS_EQUAL";
r["not"] = ((rule.t & 0x80) != 0);
r["id"] = rule.v.tag.id;
r["value"] = rule.v.tag.value;
break;
}
return r;
}
@ -458,6 +464,11 @@ static bool _parseRule(json &r,ZT_VirtualNetworkRule &rule)
rule.v.tag.id = (uint32_t)(_jI(r["id"],0ULL) & 0xffffffffULL);
rule.v.tag.value = (uint32_t)(_jI(r["value"],0ULL) & 0xffffffffULL);
return true;
} else if (t == "MATCH_TAGS_EQUAL") {
rule.t |= ZT_NETWORK_RULE_MATCH_TAGS_EQUAL;
rule.v.tag.id = (uint32_t)(_jI(r["id"],0ULL) & 0xffffffffULL);
rule.v.tag.value = (uint32_t)(_jI(r["value"],0ULL) & 0xffffffffULL);
return true;
}
return false;
}

5
include/ZeroTierOne.h
View File

@ -658,6 +658,11 @@ enum ZT_VirtualNetworkRuleType
*/
ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_XOR = 55,
/**
* Match if local and remote tags both equal a value
*/
ZT_NETWORK_RULE_MATCH_TAGS_EQUAL = 56,
/**
* Maximum ID allowed for a MATCH entry in the rules table
*/

1
node/Capability.hpp
View File

@ -340,6 +340,7 @@ public:
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_AND:
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_OR:
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_XOR:
case ZT_NETWORK_RULE_MATCH_TAGS_EQUAL:
rules[ruleCount].v.tag.id = b.template at<uint32_t>(p);
rules[ruleCount].v.tag.value = b.template at<uint32_t>(p + 4);
break;

6
node/Network.cpp
View File

@ -511,7 +511,8 @@ static _doZtFilterResult _doZtFilter(
case ZT_NETWORK_RULE_MATCH_TAGS_DIFFERENCE:
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_AND:
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_OR:
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_XOR: {
case ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_XOR:
case ZT_NETWORK_RULE_MATCH_TAGS_EQUAL: {
const Tag *const localTag = std::lower_bound(&(nconf.tags[0]),&(nconf.tags[nconf.tagCount]),rules[rn].v.tag.id,Tag::IdComparePredicate());
if ((localTag != &(nconf.tags[nconf.tagCount]))&&(localTag->id() == rules[rn].v.tag.id)) {
const Tag *const remoteTag = ((membership) ? membership->getTag(nconf,rules[rn].v.tag.id) : (const Tag *)0);
@ -531,6 +532,9 @@ static _doZtFilterResult _doZtFilter(
} else if (rt == ZT_NETWORK_RULE_MATCH_TAGS_BITWISE_XOR) {
thisRuleMatches = (uint8_t)((ltv ^ rtv) == rules[rn].v.tag.value);
FILTER_TRACE("%u %s %c TAG %u local:%.8x ^ remote:%.8x == %.8x -> %u",rn,_rtn(rt),(((rules[rn].t & 0x80) != 0) ? '!' : '='),(unsigned int)rules[rn].v.tag.id,ltv,rtv,(unsigned int)rules[rn].v.tag.value,(unsigned int)thisRuleMatches);
} else if (rt == ZT_NETWORK_RULE_MATCH_TAGS_EQUAL) {
thisRuleMatches = (uint8_t)((ltv == rules[rn].v.tag.value)&&(rtv == rules[rn].v.tag.value));
FILTER_TRACE("%u %s %c TAG %u local:%.8x and remote:%.8x == %.8x -> %u",rn,_rtn(rt),(((rules[rn].t & 0x80) != 0) ? '!' : '='),(unsigned int)rules[rn].v.tag.id,ltv,rtv,(unsigned int)rules[rn].v.tag.value,(unsigned int)thisRuleMatches);
} else { // sanity check, can't really happen
thisRuleMatches = 0;
}