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authorAdam Ierymenko <adam.ierymenko@gmail.com>2013-10-07 15:29:03 -0400
committerAdam Ierymenko <adam.ierymenko@gmail.com>2013-10-07 15:29:03 -0400
commitb4ae1adfbffecc090357b4e9e5c04ec3b2d3280d (patch)
treeafbdd85656f7a80763b46738f3955245ec191851 /node/Network.cpp
parentdcbc9c8ddd7cdb543e213e3402050724174df03a (diff)
downloadinfinitytier-b4ae1adfbffecc090357b4e9e5c04ec3b2d3280d.tar.gz
infinitytier-b4ae1adfbffecc090357b4e9e5c04ec3b2d3280d.zip
Break out certificate of membership into its own class.
Diffstat (limited to 'node/Network.cpp')
-rw-r--r--node/Network.cpp188
1 files changed, 0 insertions, 188 deletions
diff --git a/node/Network.cpp b/node/Network.cpp
index d3b0b6c9..911ae998 100644
--- a/node/Network.cpp
+++ b/node/Network.cpp
@@ -42,194 +42,6 @@
namespace ZeroTier {
-void Network::CertificateOfMembership::setQualifier(uint64_t id,uint64_t value,uint64_t maxDelta)
-{
- _signedBy.zero();
-
- for(std::vector<_Qualifier>::iterator q(_qualifiers.begin());q!=_qualifiers.end();++q) {
- if (q->id == id) {
- q->value = value;
- q->maxDelta = maxDelta;
- return;
- }
- }
-
- _qualifiers.push_back(_Qualifier(id,value,maxDelta));
- std::sort(_qualifiers.begin(),_qualifiers.end());
-}
-
-std::string Network::CertificateOfMembership::toString() const
-{
- std::string s;
-
- uint64_t *buf = new uint64_t[_qualifiers.size() * 3];
- try {
- unsigned int ptr = 0;
- for(std::vector<_Qualifier>::const_iterator q(_qualifiers.begin());q!=_qualifiers.end();++q) {
- buf[ptr++] = Utils::hton(q->id);
- buf[ptr++] = Utils::hton(q->value);
- buf[ptr++] = Utils::hton(q->maxDelta);
- }
- s.append(Utils::hex(buf,ptr * sizeof(uint64_t)));
- delete [] buf;
- } catch ( ... ) {
- delete [] buf;
- throw;
- }
-
- s.push_back(':');
-
- s.append(_signedBy.toString());
-
- if (_signedBy) {
- s.push_back(':');
- s.append(Utils::hex(_signature.data,_signature.size()));
- }
-
- return s;
-}
-
-void Network::CertificateOfMembership::fromString(const char *s)
-{
- _qualifiers.clear();
- _signedBy.zero();
- memset(_signature.data,0,_signature.size());
-
- unsigned int colonAt = 0;
- while ((s[colonAt])&&(s[colonAt] != ':')) ++colonAt;
-
- if (colonAt) {
- unsigned int buflen = colonAt / 2;
- char *buf = new char[buflen];
- unsigned int bufactual = Utils::unhex(s,colonAt,buf,buflen);
- char *bufptr = buf;
- try {
- while (bufactual >= 24) {
- _qualifiers.push_back(_Qualifier());
- _qualifiers.back().id = Utils::ntoh(*((uint64_t *)bufptr)); bufptr += 8;
- _qualifiers.back().value = Utils::ntoh(*((uint64_t *)bufptr)); bufptr += 8;
- _qualifiers.back().maxDelta = Utils::ntoh(*((uint64_t *)bufptr)); bufptr += 8;
- bufactual -= 24;
- }
- } catch ( ... ) {}
- delete [] buf;
- }
-
- if (s[colonAt]) {
- s += colonAt + 1;
- colonAt = 0;
- while ((s[colonAt])&&(s[colonAt] != ':')) ++colonAt;
-
- if (colonAt) {
- char addrbuf[ZT_ADDRESS_LENGTH];
- if (Utils::unhex(s,colonAt,addrbuf,sizeof(addrbuf)) == ZT_ADDRESS_LENGTH)
- _signedBy.setTo(addrbuf,ZT_ADDRESS_LENGTH);
-
- if ((_signedBy)&&(s[colonAt])) {
- s += colonAt + 1;
- colonAt = 0;
- while ((s[colonAt])&&(s[colonAt] != ':')) ++colonAt;
-
- if (colonAt) {
- if (Utils::unhex(s,colonAt,_signature.data,_signature.size()) != _signature.size())
- _signedBy.zero();
- } else _signedBy.zero();
- } else _signedBy.zero();
- }
- }
-
- std::sort(_qualifiers.begin(),_qualifiers.end());
- std::unique(_qualifiers.begin(),_qualifiers.end());
-}
-
-bool Network::CertificateOfMembership::agreesWith(const CertificateOfMembership &other) const
- throw()
-{
- unsigned long myidx = 0;
- unsigned long otheridx = 0;
-
- while (myidx < _qualifiers.size()) {
- // Fail if we're at the end of other, since this means the field is
- // missing.
- if (otheridx >= other._qualifiers.size())
- return false;
-
- // Seek to corresponding tuple in other, ignoring tuples that
- // we may not have. If we run off the end of other, the tuple is
- // missing. This works because tuples are sorted by ID.
- while (other._qualifiers[otheridx].id != _qualifiers[myidx].id) {
- ++otheridx;
- if (otheridx >= other._qualifiers.size())
- return false;
- }
-
- // Compare to determine if the absolute value of the difference
- // between these two parameters is within our maxDelta.
- uint64_t a = _qualifiers[myidx].value;
- uint64_t b = other._qualifiers[myidx].value;
- if (a >= b) {
- if ((a - b) > _qualifiers[myidx].maxDelta)
- return false;
- } else {
- if ((b - a) > _qualifiers[myidx].maxDelta)
- return false;
- }
-
- ++myidx;
- }
-
- return true;
-}
-
-bool Network::CertificateOfMembership::sign(const Identity &with)
-{
- uint64_t *buf = new uint64_t[_qualifiers.size() * 3];
- unsigned int ptr = 0;
- for(std::vector<_Qualifier>::const_iterator q(_qualifiers.begin());q!=_qualifiers.end();++q) {
- buf[ptr++] = Utils::hton(q->id);
- buf[ptr++] = Utils::hton(q->value);
- buf[ptr++] = Utils::hton(q->maxDelta);
- }
-
- try {
- _signature = with.sign(buf,ptr * sizeof(uint64_t));
- _signedBy = with.address();
- delete [] buf;
- return true;
- } catch ( ... ) {
- _signedBy.zero();
- delete [] buf;
- return false;
- }
-}
-
-bool Network::CertificateOfMembership::verify(const Identity &id) const
-{
- if (!_signedBy)
- return false;
- if (id.address() != _signedBy)
- return false;
-
- uint64_t *buf = new uint64_t[_qualifiers.size() * 3];
- unsigned int ptr = 0;
- for(std::vector<_Qualifier>::const_iterator q(_qualifiers.begin());q!=_qualifiers.end();++q) {
- buf[ptr++] = Utils::hton(q->id);
- buf[ptr++] = Utils::hton(q->value);
- buf[ptr++] = Utils::hton(q->maxDelta);
- }
-
- bool valid = false;
- try {
- valid = id.verify(buf,ptr * sizeof(uint64_t),_signature);
- delete [] buf;
- } catch ( ... ) {
- delete [] buf;
- }
- return valid;
-}
-
-// ---------------------------------------------------------------------------
-
const Network::MulticastRates::Rate Network::MulticastRates::GLOBAL_DEFAULT_RATE(65535,65535,64);
const char *Network::statusString(const Status s)