X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fuser_resolver.cpp;h=db8d065f110da0285366aa6441ce6263c0779cd5;hb=6d03943426dcce76ba66567a9b18425a5ebb4c0c;hp=820d7ef6551e7f6c6271da4049f82a78ce5d7dea;hpb=43847ec9c7e1a195163eb4c529f1c92fd1ace0a4;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/user_resolver.cpp b/src/user_resolver.cpp index 820d7ef65..db8d065f1 100644 --- a/src/user_resolver.cpp +++ b/src/user_resolver.cpp @@ -3,7 +3,7 @@ * +------------------------------------+ * * InspIRCd: (C) 2002-2009 InspIRCd Development Team - * See: http://www.inspircd.org/wiki/index.php/Credits + * See: http://wiki.inspircd.org/Credits * * This program is free but copyrighted software; see * the file COPYING for details. @@ -14,19 +14,15 @@ /* $Core */ #include "inspircd.h" -UserResolver::UserResolver(InspIRCd* Instance, User* user, std::string to_resolve, QueryType qt, bool &cache) : - Resolver(Instance, to_resolve, qt, cache), bound_user(user) +UserResolver::UserResolver(User* user, std::string to_resolve, QueryType qt, bool &cache) : + Resolver(to_resolve, qt, cache), bound_user(user) { this->fwd = (qt == DNS_QUERY_A || qt == DNS_QUERY_AAAA); this->bound_fd = user->GetFd(); } -void UserResolver::OnLookupComplete(const std::string &result, unsigned int ttl, bool cached, int resultnum) +void UserResolver::OnLookupComplete(const std::string &result, unsigned int ttl, bool cached) { - /* We are only interested in the first matching result */ - if (resultnum) - return; - UserResolver *res_forward; // for forward-resolution if ((!this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user)) @@ -38,21 +34,17 @@ void UserResolver::OnLookupComplete(const std::string &result, unsigned int ttl, if (this->bound_user->registered != REG_ALL) { bool lcached = false; -#ifdef IPV6 - if (this->bound_user->GetProtocolFamily() == AF_INET6) + if (this->bound_user->client_sa.sa.sa_family == AF_INET6) { - /* IPV6 forward lookup (with possibility of 4in6) */ - const char* ip = this->bound_user->GetIPString(); - res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, (!strncmp(ip, "0::ffff:", 8) ? DNS_QUERY_A : DNS_QUERY_AAAA), lcached); + /* IPV6 forward lookup */ + res_forward = new UserResolver(bound_user, result, DNS_QUERY_AAAA, lcached); } else - /* IPV4 lookup (mixed protocol mode) */ -#endif { - /* IPV4 lookup (ipv4 only mode) */ - res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, DNS_QUERY_A, lcached); + /* IPV4 lookup */ + res_forward = new UserResolver(bound_user, result, DNS_QUERY_A, lcached); } - this->ServerInstance->AddResolver(res_forward, lcached); + ServerInstance->AddResolver(res_forward, lcached); } } catch (CoreException& e) @@ -63,9 +55,27 @@ void UserResolver::OnLookupComplete(const std::string &result, unsigned int ttl, else if ((this->fwd) && (ServerInstance->SE->GetRef(this->bound_fd) == this->bound_user)) { /* Both lookups completed */ - std::string result2("0::ffff:"); - result2.append(result); - if (this->bound_user->GetIPString() == result || this->bound_user->GetIPString() == result2) + + irc::sockets::sockaddrs* user_ip = &this->bound_user->client_sa; + bool rev_match = false; + if (user_ip->sa.sa_family == AF_INET6) + { + struct in6_addr res_bin; + if (inet_pton(AF_INET6, result.c_str(), &res_bin)) + { + rev_match = !memcmp(&user_ip->in6.sin6_addr, &res_bin, sizeof(res_bin)); + } + } + else + { + struct in_addr res_bin; + if (inet_pton(AF_INET, result.c_str(), &res_bin)) + { + rev_match = !memcmp(&user_ip->in4.sin_addr, &res_bin, sizeof(res_bin)); + } + } + + if (rev_match) { std::string hostname = this->bound_user->stored_host; if (hostname.length() < 65) @@ -102,7 +112,7 @@ void UserResolver::OnLookupComplete(const std::string &result, unsigned int ttl, this->bound_user->dns_done = true; } } - + // Save some memory by freeing this up; it's never used again in the user's lifetime. this->bound_user->stored_host.resize(0); }