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Core/Auth: implement multirealm
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zamalaev committed Nov 26, 2013
1 parent 5161634 commit d644c3c
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Showing 3 changed files with 107 additions and 71 deletions.
58 changes: 39 additions & 19 deletions src/server/authserver/Authentication/AuthCodes.cpp
View file
Expand Up @@ -21,41 +21,61 @@

namespace AuthHelper
{
bool IsPreBCAcceptedClientBuild(int build)
static RealmBuildInfo const PostBcAcceptedClientBuilds[] =
{
int accepted_versions[] = PRE_BC_ACCEPTED_CLIENT_BUILD;

for (int i = 0; accepted_versions[i]; ++i)
if (build == accepted_versions[i])
return true;

return false;
}
{15595, 4, 3, 4, ' '},
{14545, 4, 2, 2, ' '},
{13623, 4, 0, 6, 'a'},
{12340, 3, 3, 5, 'a'},
{11723, 3, 3, 3, 'a'},
{11403, 3, 3, 2, ' '},
{11159, 3, 3, 0, 'a'},
{10505, 3, 2, 2, 'a'},
{9947, 3, 1, 3, ' '},
{8606, 2, 4, 3, ' '},
{0, 0, 0, 0, ' '} // terminator
};

bool IsPostBCAcceptedClientBuild(int build)
static RealmBuildInfo const PreBcAcceptedClientBuilds[] =
{
int accepted_versions[] = POST_BC_ACCEPTED_CLIENT_BUILD;
{6005, 1, 12, 2, ' '},
{5875, 1, 12, 1, ' '},
{0, 0, 0, 0, ' '} // terminator
};

for (int i = 0; accepted_versions[i]; ++i)
if (build == accepted_versions[i])
bool IsPreBCAcceptedClientBuild(int build)
{
for (int i = 0; PreBcAcceptedClientBuilds[i].Build; ++i)
if (PreBcAcceptedClientBuilds[i].Build == build)
return true;

return false;
}

bool IsPostWotLKAcceptedClientBuild(int build)
bool IsPostBCAcceptedClientBuild(int build)
{
int accepted_versions[] = POST_WOTLK_ACCEPTED_CLIENT_BUILD;

for (int i = 0; accepted_versions[i]; ++i)
if (build == accepted_versions[i])
for (int i = 0; PostBcAcceptedClientBuilds[i].Build; ++i)
if (PostBcAcceptedClientBuilds[i].Build == build)
return true;

return false;
}

bool IsAcceptedClientBuild(int build)
{
return (IsPostWotLKAcceptedClientBuild(build) || IsPostBCAcceptedClientBuild(build) || IsPreBCAcceptedClientBuild(build));
return (IsPostBCAcceptedClientBuild(build) || IsPreBCAcceptedClientBuild(build));
}

RealmBuildInfo const* GetBuildInfo(int build)
{
for (int i = 0; PostBcAcceptedClientBuilds[i].Build; ++i)
if (PostBcAcceptedClientBuilds[i].Build == build)
return &PostBcAcceptedClientBuilds[i];

for (int i = 0; PreBcAcceptedClientBuilds[i].Build; ++i)
if (PreBcAcceptedClientBuilds[i].Build == build)
return &PreBcAcceptedClientBuilds[i];

return NULL;
}
};
7 changes: 2 additions & 5 deletions src/server/authserver/Authentication/AuthCodes.h
View file
Expand Up @@ -71,13 +71,10 @@ enum LoginResult
LOGIN_LOCKED_ENFORCED = 0x10,
};

#define POST_WOTLK_ACCEPTED_CLIENT_BUILD {14480, 14333, 13623, 13596, 13329, 0}
#define POST_BC_ACCEPTED_CLIENT_BUILD {13205, 13164, 12340, 11723, 11403, 11159, 10571, 10505, 10146, 9947, 8606, 0}
#define PRE_BC_ACCEPTED_CLIENT_BUILD {5875, 6005, 0}


enum ExpansionFlags
{
POST_WOTLK_EXP_FLAG = 0x4,
POST_BC_EXP_FLAG = 0x2,
PRE_BC_EXP_FLAG = 0x1,
NO_VALID_EXP_FLAG = 0x0
Expand All @@ -95,8 +92,8 @@ struct RealmBuildInfo

namespace AuthHelper
{
RealmBuildInfo const* GetBuildInfo(int build);
bool IsAcceptedClientBuild(int build);
bool IsPostWotLKAcceptedClientBuild(int build);
bool IsPostBCAcceptedClientBuild(int build);
bool IsPreBCAcceptedClientBuild(int build);
};
Expand Down
113 changes: 66 additions & 47 deletions src/server/authserver/Server/AuthSocket.cpp
View file
Expand Up @@ -345,7 +345,7 @@ bool AuthSocket::_HandleLogonChallenge()

_login = (const char*)ch->I;
_build = ch->build;
_expversion = (AuthHelper::IsPostWotLKAcceptedClientBuild(_build) ? POST_WOTLK_EXP_FLAG : NO_VALID_EXP_FLAG) | (AuthHelper::IsPostBCAcceptedClientBuild(_build) ? POST_BC_EXP_FLAG : NO_VALID_EXP_FLAG) | (AuthHelper::IsPreBCAcceptedClientBuild(_build) ? PRE_BC_EXP_FLAG : NO_VALID_EXP_FLAG);
_expversion = uint8(AuthHelper::IsPostBCAcceptedClientBuild(_build) ? POST_BC_EXP_FLAG : (AuthHelper::IsPreBCAcceptedClientBuild(_build) ? PRE_BC_EXP_FLAG : NO_VALID_EXP_FLAG));
_os = (const char*)ch->os;

if (_os.size() > 4)
Expand All @@ -354,19 +354,19 @@ bool AuthSocket::_HandleLogonChallenge()
// Restore string order as its byte order is reversed
std::reverse(_os.begin(), _os.end());

pkt << (uint8)AUTH_LOGON_CHALLENGE;
pkt << (uint8)0x00;
pkt << uint8(AUTH_LOGON_CHALLENGE);
pkt << uint8(0x00);

// Verify that this IP is not in the ip_banned table
LoginDatabase.Execute(LoginDatabase.GetPreparedStatement(LOGIN_SET_EXPIREDIPBANS));

const std::string& ip_address = socket().getRemoteAddress();
std::string const& ip_address = socket().getRemoteAddress();
PreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_GET_IPBANNED);
stmt->setString(0, ip_address);
PreparedQueryResult result = LoginDatabase.Query(stmt);
if (result)
{
pkt << (uint8)WOW_FAIL_BANNED;
pkt << uint8(WOW_FAIL_BANNED);
sLog->outBasic("'%s:%d' [AuthChallenge] Banned ip tries to login!", socket().getRemoteAddress().c_str(), socket().getRemotePort());
}
else
Expand All @@ -391,7 +391,7 @@ bool AuthSocket::_HandleLogonChallenge()
if (strcmp(fields[3].GetCString(), ip_address.c_str()))
{
sLog->outStaticDebug("[AuthChallenge] Account IP differs");
pkt << (uint8) WOW_FAIL_SUSPENDED;
pkt << uint8(WOW_FAIL_SUSPENDED);
locked = true;
}
else
Expand All @@ -413,12 +413,12 @@ bool AuthSocket::_HandleLogonChallenge()
{
if ((*banresult)[0].GetUInt64() == (*banresult)[1].GetUInt64())
{
pkt << (uint8)WOW_FAIL_BANNED;
pkt << uint8(WOW_FAIL_BANNED);
sLog->outBasic("'%s:%d' [AuthChallenge] Banned account %s tried to login!", socket().getRemoteAddress().c_str(), socket().getRemotePort(), _login.c_str ());
}
else
{
pkt << (uint8)WOW_FAIL_SUSPENDED;
pkt << uint8(WOW_FAIL_SUSPENDED);
sLog->outBasic("'%s:%d' [AuthChallenge] Temporarily banned account %s tried to login!", socket().getRemoteAddress().c_str(), socket().getRemotePort(), _login.c_str ());
}
}
Expand Down Expand Up @@ -452,7 +452,10 @@ bool AuthSocket::_HandleLogonChallenge()
unk3.SetRand(16 * 8);

// Fill the response packet with the result
pkt << uint8(WOW_SUCCESS);
if (AuthHelper::IsAcceptedClientBuild(_build))
pkt << uint8(WOW_SUCCESS);
else
pkt << uint8(WOW_FAIL_VERSION_INVALID);

// B may be calculated < 32B so we force minimal length to 32B
pkt.append(B.AsByteArray(32), 32); // 32 bytes
Expand Down Expand Up @@ -648,7 +651,7 @@ bool AuthSocket::_HandleLogonProof()
}
}

if ((_expversion & POST_BC_EXP_FLAG) || (_expversion & POST_WOTLK_EXP_FLAG)) // 2.x, 3.x, 4.x
if (_expversion & POST_BC_EXP_FLAG) // 2.x, 3.x
{
sAuthLogonProof_S proof;
memcpy(proof.M2, sha.GetDigest(), 20);
Expand Down Expand Up @@ -776,7 +779,7 @@ bool AuthSocket::_HandleReconnectChallenge()

// Reinitialize build, expansion and the account securitylevel
_build = ch->build;
_expversion = (AuthHelper::IsPostBCAcceptedClientBuild(_build) ? POST_BC_EXP_FLAG : NO_VALID_EXP_FLAG) | (AuthHelper::IsPreBCAcceptedClientBuild(_build) ? PRE_BC_EXP_FLAG : NO_VALID_EXP_FLAG);
_expversion = uint8(AuthHelper::IsPostBCAcceptedClientBuild(_build) ? POST_BC_EXP_FLAG : (AuthHelper::IsPreBCAcceptedClientBuild(_build) ? PRE_BC_EXP_FLAG : NO_VALID_EXP_FLAG));
_os = (const char*)ch->os;

if (_os.size() > 4)
Expand All @@ -793,8 +796,8 @@ bool AuthSocket::_HandleReconnectChallenge()

// Sending response
ByteBuffer pkt;
pkt << (uint8)AUTH_RECONNECT_CHALLENGE;
pkt << (uint8)0x00;
pkt << uint8(AUTH_RECONNECT_CHALLENGE);
pkt << uint8(0x00);
_reconnectProof.SetRand(16 * 8);
pkt.append(_reconnectProof.AsByteArray(16), 16); // 16 bytes random
pkt << (uint64)0x00 << (uint64)0x00; // 16 bytes zeros
Expand Down Expand Up @@ -827,9 +830,9 @@ bool AuthSocket::_HandleReconnectProof()
{
// Sending response
ByteBuffer pkt;
pkt << (uint8)AUTH_RECONNECT_PROOF;
pkt << (uint8)0x00;
pkt << (uint16)0x00; // 2 bytes zeros
pkt << uint8(AUTH_RECONNECT_PROOF);
pkt << uint8(0x00);
pkt << uint16(0x00); // 2 bytes zeros
socket().send((char const*)pkt.contents(), pkt.size());
_authed = true;
return true;
Expand Down Expand Up @@ -901,74 +904,90 @@ bool AuthSocket::_HandleRealmList()
for (RealmList::RealmMap::const_iterator i = sRealmList->begin(); i != sRealmList->end(); ++i)
{
// don't work with realms which not compatible with the client
if ((_expversion & POST_BC_EXP_FLAG) || (_expversion & POST_WOTLK_EXP_FLAG))
bool okBuild = ((_expversion & POST_BC_EXP_FLAG) && i->second.gamebuild == _build) || ((_expversion & PRE_BC_EXP_FLAG) && !AuthHelper::IsPreBCAcceptedClientBuild(i->second.gamebuild));

// No SQL injection. id of realm is controlled by the database.
uint32 flag = i->second.flag;
RealmBuildInfo const* buildInfo = AuthHelper::GetBuildInfo(i->second.gamebuild);
if (!okBuild)
{
if (i->second.gamebuild != _build)
{
sLog->outStaticDebug("Realm not added because of not correct build : %u != %u", i->second.gamebuild, _build);
if (!buildInfo)
continue;
}

flag |= REALM_FLAG_OFFLINE | REALM_FLAG_SPECIFYBUILD; // tell the client what build the realm is for
}
else if (_expversion & PRE_BC_EXP_FLAG) // 1.12.1 and 1.12.2 clients are compatible with eachother
if (!AuthHelper::IsPreBCAcceptedClientBuild(i->second.gamebuild))
continue;

uint8 AmountOfCharacters;
if (!buildInfo)
flag &= ~REALM_FLAG_SPECIFYBUILD;

// No SQL injection. id of realm is controlled by the database.
std::string name = i->first;
if (_expversion & PRE_BC_EXP_FLAG && flag & REALM_FLAG_SPECIFYBUILD)
{
std::ostringstream ss;
ss << name << " (" << buildInfo->MajorVersion << '.' << buildInfo->MinorVersion << '.' << buildInfo->BugfixVersion << ')';
name = ss.str();
}

uint8 lock = (i->second.allowedSecurityLevel > _accountSecurityLevel) ? 1 : 0;

uint8 AmountOfCharacters = 0;
stmt = LoginDatabase.GetPreparedStatement(LOGIN_GET_NUMCHARSONREALM);
stmt->setUInt32(0, i->second.m_ID);
stmt->setUInt32(1, id);
result = LoginDatabase.Query(stmt);
if (result)
AmountOfCharacters = (*result)[0].GetUInt8();
else
AmountOfCharacters = 0;

// We don't need the port number from which client connects with but the realm's port
clientAddr.set_port_number(i->second.ExternalAddress.get_port_number());

uint8 lock = (i->second.allowedSecurityLevel > _accountSecurityLevel) ? 1 : 0;

pkt << i->second.icon; // realm type
if (_expversion & (POST_BC_EXP_FLAG | POST_WOTLK_EXP_FLAG)) // 2.x, 3.x, and 4.x clients
if (_expversion & POST_BC_EXP_FLAG) // 2.x, 3.x, and 4.x clients
pkt << lock; // if 1, then realm locked
pkt << uint8(i->second.flag); // RealmFlags
pkt << i->first;
pkt << uint8(flag); // RealmFlags
pkt << name;
pkt << GetAddressString(GetAddressForClient(i->second, clientAddr));
pkt << i->second.populationLevel;
pkt << AmountOfCharacters;
pkt << i->second.timezone; // realm category
if (_expversion & (POST_BC_EXP_FLAG | POST_WOTLK_EXP_FLAG)) // 2.x, 3.x, and 4.x clients
pkt << (uint8)0x2C; // unk, may be realm number/id?
if (_expversion & POST_BC_EXP_FLAG) // 2.x, 3.x
pkt << uint8(0x2C); // unk, may be realm number/id?
else
pkt << (uint8)0x0; // 1.12.1 and 1.12.2 clients
pkt << uint8(0x0); // 1.12.1 and 1.12.2 clients

if (_expversion & POST_BC_EXP_FLAG && flag & REALM_FLAG_SPECIFYBUILD)
{
pkt << uint8(buildInfo->MajorVersion);
pkt << uint8(buildInfo->MinorVersion);
pkt << uint8(buildInfo->BugfixVersion);
pkt << uint16(buildInfo->Build);
}

++RealmListSize;
}

if ((_expversion & POST_BC_EXP_FLAG) || (_expversion & POST_WOTLK_EXP_FLAG)) // 2.x, 3.x, and 4.x clients
if (_expversion & POST_BC_EXP_FLAG) // 2.x, 3.x
{
pkt << (uint8)0x10;
pkt << (uint8)0x00;
pkt << uint8(0x10);
pkt << uint8(0x00);
}
else // 1.12.1 and 1.12.2 clients
{
pkt << (uint8)0x00;
pkt << (uint8)0x02;
pkt << uint8(0x00);
pkt << uint8(0x02);
}

// make a ByteBuffer which stores the RealmList's size
ByteBuffer RealmListSizeBuffer;
RealmListSizeBuffer << (uint32)0;
if ((_expversion & POST_BC_EXP_FLAG) || (_expversion & POST_WOTLK_EXP_FLAG)) // 2.x, 3.x, and 4.x clients
RealmListSizeBuffer << (uint16)RealmListSize;
RealmListSizeBuffer << uint32(0);
if (_expversion & POST_BC_EXP_FLAG) // only 2.x and 3.x clients
RealmListSizeBuffer << uint16(RealmListSize);
else
RealmListSizeBuffer << (uint32)RealmListSize;
RealmListSizeBuffer << uint32(RealmListSize);

ByteBuffer hdr;
hdr << (uint8) REALM_LIST;
hdr << (uint16)(pkt.size() + RealmListSizeBuffer.size());
hdr << uint8(REALM_LIST);
hdr << uint16(pkt.size() + RealmListSizeBuffer.size());
hdr.append(RealmListSizeBuffer); // append RealmList's size buffer
hdr.append(pkt); // append realms in the realmlist

Expand Down

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