mirror of
https://github.com/anope/anope.git
synced 2026-06-12 17:04:47 +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) 2003-2025 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 "sha1/sha1.c"
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class SHA1Context final
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: public Encryption::Context
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{
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private:
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SHA1_CTX context;
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public:
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SHA1Context()
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{
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SHA1Init(&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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SHA1Update(&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[20];
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SHA1Final(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 ESHA1 final
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: public Module
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{
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private:
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Encryption::SimpleProvider<SHA1Context> sha1provider;
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public:
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ESHA1(const Anope::string &modname, const Anope::string &creator)
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: Module(modname, creator, DEPRECATED | ENCRYPTION | VENDOR)
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, sha1provider(this, "sha1", 20, 64)
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{
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if (ModuleManager::FindFirstOf(ENCRYPTION) == this)
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throw ModuleException("enc_sha1 is deprecated and can not be used as a primary encryption method");
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sha1provider.Check({
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{ "da39a3ee5e6b4b0d3255bfef95601890afd80709", "" },
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{ "2fd4e1c67a2d28fced849ee1bb76e7391b93eb12", "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("sha1"))
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return;
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auto enc = "sha1:" + Anope::Hex(sha1provider.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(ESHA1)
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