mirror of
https://github.com/anope/anope.git
synced 2026-06-12 18:54:47 +02:00
Sadie Powell
93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
// Anope IRC Services <https://www.anope.org/>
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//
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// Copyright (C) 2003-2026 Anope Contributors
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//
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// Anope is free software. You can use, modify, and/or distribute it under the
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// terms of version 2 of the GNU General Public License. See docs/LICENSE.txt
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// for the complete terms of this license and docs/AUTHORS.txt for a list of
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// contributors.
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//
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// Based on the original code of Epona by Lara
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// Based on the original code of Services by Andy Church
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//
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// SPDX-License-Identifier: GPL-2.0-only
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#include "module.h"
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#include "modules/encryption.h"
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#include "md5/md5.c"
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class MD5Context final
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: public Encryption::Context
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{
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private:
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MD5_CTX context;
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public:
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MD5Context()
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{
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MD5_Init(&context);
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}
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void Update(const unsigned char *input, size_t len) override
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{
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MD5_Update(&context, input, len);
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}
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Anope::string Finalize() override
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{
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unsigned char digest[16];
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MD5_Final(digest, &context);
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return Anope::string(reinterpret_cast<const char *>(&digest), sizeof(digest));
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}
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};
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class EMD5 final
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: public Module
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{
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private:
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Encryption::SimpleProvider<MD5Context> md5provider;
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public:
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EMD5(const Anope::string &modname, const Anope::string &creator)
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: Module(modname, creator, DEPRECATED | ENCRYPTION | VENDOR)
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, md5provider(this, "md5", 16, 64)
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{
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if (ModuleManager::FindFirstOf(ENCRYPTION) == this)
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throw ModuleException("enc_md5 is deprecated and can not be used as a primary encryption method");
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md5provider.Check({
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{ "d41d8cd98f00b204e9800998ecf8427e", "" },
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{ "9e107d9d372bb6826bd81d3542a419d6", "The quick brown fox jumps over the lazy dog" },
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});
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}
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void OnCheckAuthentication(User *, IdentifyRequest *req) override
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{
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auto *na = NickAlias::Find(req->GetAccount());
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if (!na)
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return;
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NickCore *nc = na->nc;
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auto pos = nc->pass.find(':');
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if (pos == Anope::string::npos)
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return;
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Anope::string hash_method(nc->pass.begin(), nc->pass.begin() + pos);
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if (!hash_method.equals_cs("md5"))
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return;
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auto enc = "md5:" + Anope::Hex(md5provider.Encrypt(req->GetPassword()));
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if (nc->pass.equals_cs(enc))
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{
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// If we are NOT the first encryption module we want to re-encrypt
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// the password with the primary encryption method.
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if (ModuleManager::FindFirstOf(ENCRYPTION) != this)
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Anope::Encrypt(req->GetPassword(), nc->pass);
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req->Success(this, na);
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}
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}
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};
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MODULE_INIT(EMD5)
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