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authorSadie Powell <sadie@witchery.services>2024-01-24 12:01:50 +0000
committerSadie Powell <sadie@witchery.services>2024-01-24 12:22:51 +0000
commit7ac1fe58478d58e2480b6919c4abf3a82929169c (patch)
tree198ad9a6e23d4c189dce57fd95306b6b22d8c23f /modules/m_dnsbl.cpp
parent72acef4e159df5dcdb93b3c13b2f9d2e5e4c21a9 (diff)
Rename several modules to remove the m_ prefix.
Diffstat (limited to 'modules/m_dnsbl.cpp')
-rw-r--r--modules/m_dnsbl.cpp196
1 files changed, 0 insertions, 196 deletions
diff --git a/modules/m_dnsbl.cpp b/modules/m_dnsbl.cpp
deleted file mode 100644
index 47aba3876..000000000
--- a/modules/m_dnsbl.cpp
+++ /dev/null
@@ -1,196 +0,0 @@
-/*
- *
- * (C) 2003-2024 Anope Team
- * Contact us at team@anope.org
- *
- * Please read COPYING and README for further details.
- */
-
-#include "module.h"
-#include "modules/dns.h"
-
-using namespace DNS;
-
-static ServiceReference<XLineManager> akills("XLineManager", "xlinemanager/sgline");
-static ServiceReference<Manager> dnsmanager("DNS::Manager", "dns/manager");
-
-struct Blacklist final
-{
- struct Reply final
- {
- int code = 0;
- Anope::string reason;
- bool allow_account = false;
-
- Reply() = default;
- };
-
- Anope::string name;
- time_t bantime = 0;
- Anope::string reason;
- std::vector<Reply> replies;
-
- const Reply *Find(int code)
- {
- for (const auto &reply : replies)
- if (reply.code == code)
- return &reply;
- return NULL;
- }
-};
-
-class DNSBLResolver final
- : public Request
-{
- Reference<User> user;
- Blacklist blacklist;
- bool add_to_akill;
-
-public:
- DNSBLResolver(Module *c, User *u, const Blacklist &b, const Anope::string &host, bool add_akill) : Request(dnsmanager, c, host, QUERY_A, true), user(u), blacklist(b), add_to_akill(add_akill) { }
-
- void OnLookupComplete(const Query *record) override
- {
- if (!user || user->Quitting())
- return;
-
- const ResourceRecord &ans_record = record->answers[0];
- // Replies should be in 127.0.0.0/8
- if (ans_record.rdata.find("127.") != 0)
- return;
-
- sockaddrs sresult;
- sresult.pton(AF_INET, ans_record.rdata);
- int result = sresult.sa4.sin_addr.s_addr >> 24;
-
- const Blacklist::Reply *reply = blacklist.Find(result);
- if (!blacklist.replies.empty() && !reply)
- return;
-
- if (reply && reply->allow_account && user->Account())
- return;
-
- Anope::string reason = this->blacklist.reason, addr = user->ip.addr();
- reason = reason.replace_all_cs("%n", user->nick);
- reason = reason.replace_all_cs("%u", user->GetIdent());
- reason = reason.replace_all_cs("%g", user->realname);
- reason = reason.replace_all_cs("%h", user->host);
- reason = reason.replace_all_cs("%i", addr);
- reason = reason.replace_all_cs("%r", reply ? reply->reason : "");
- reason = reason.replace_all_cs("%N", Config->GetBlock("networkinfo")->Get<const Anope::string>("networkname"));
-
- BotInfo *OperServ = Config->GetClient("OperServ");
- Log(creator, "dnsbl", OperServ) << user->GetMask() << " (" << addr << ") appears in " << this->blacklist.name;
- auto *x = new XLine("*@" + addr, OperServ ? OperServ->nick : "m_dnsbl", Anope::CurTime + this->blacklist.bantime, reason, XLineManager::GenerateUID());
- if (this->add_to_akill && akills)
- {
- akills->AddXLine(x);
- akills->Send(NULL, x);
- }
- else
- {
- IRCD->SendAkill(NULL, x);
- delete x;
- }
- }
-};
-
-class ModuleDNSBL final
- : public Module
-{
- std::vector<Blacklist> blacklists;
- std::set<cidr> exempts;
- bool check_on_connect;
- bool check_on_netburst;
- bool add_to_akill;
-
-public:
- ModuleDNSBL(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, VENDOR | EXTRA)
- {
-
- }
-
- void OnReload(Configuration::Conf *conf) override
- {
- Configuration::Block *block = conf->GetModule(this);
- this->check_on_connect = block->Get<bool>("check_on_connect");
- this->check_on_netburst = block->Get<bool>("check_on_netburst");
- this->add_to_akill = block->Get<bool>("add_to_akill", "yes");
-
- this->blacklists.clear();
- for (int i = 0; i < block->CountBlock("blacklist"); ++i)
- {
- Configuration::Block *bl = block->GetBlock("blacklist", i);
- Blacklist blacklist;
-
- blacklist.name = bl->Get<Anope::string>("name");
- if (blacklist.name.empty())
- continue;
- blacklist.bantime = bl->Get<time_t>("time", "4h");
- blacklist.reason = bl->Get<Anope::string>("reason");
-
- for (int j = 0; j < bl->CountBlock("reply"); ++j)
- {
- Configuration::Block *reply = bl->GetBlock("reply", j);
- Blacklist::Reply r;
-
- r.code = reply->Get<int>("code");
- r.reason = reply->Get<Anope::string>("reason");
- r.allow_account = reply->Get<bool>("allow_account");
-
- blacklist.replies.push_back(r);
- }
-
- this->blacklists.push_back(blacklist);
- }
-
- this->exempts.clear();
- for (int i = 0; i < block->CountBlock("exempt"); ++i)
- {
- Configuration::Block *bl = block->GetBlock("exempt", i);
- this->exempts.insert(bl->Get<Anope::string>("ip"));
- }
- }
-
- void OnUserConnect(User *user, bool &exempt) override
- {
- if (exempt || user->Quitting() || (!this->check_on_connect && !Me->IsSynced()) || !dnsmanager)
- return;
-
- if (!this->check_on_netburst && !user->server->IsSynced())
- return;
-
- if (!user->ip.valid())
- /* User doesn't have a valid IP (spoof/etc) */
- return;
-
- if (this->blacklists.empty())
- return;
-
- if (this->exempts.count(user->ip.addr()))
- {
- Log(LOG_DEBUG) << "User " << user->nick << " is exempt from dnsbl check - ip: " << user->ip.addr();
- return;
- }
-
- Anope::string reverse = user->ip.reverse();
-
- for (const auto &b : this->blacklists)
- {
- Anope::string dnsbl_host = reverse + "." + b.name;
- DNSBLResolver *res = NULL;
- try
- {
- res = new DNSBLResolver(this, user, b, dnsbl_host, this->add_to_akill);
- dnsmanager->Process(res);
- }
- catch (const SocketException &ex)
- {
- delete res;
- Log(this) << ex.GetReason();
- }
- }
- }
-};
-
-MODULE_INIT(ModuleDNSBL)