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Warn if enc_bcrypt is the first module and maxpasslen is >72.

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This commit is contained in:
Sadie Powell
2025-03-14 10:39:40 +00:00
parent 6a43370e13
commit fdc33b0f6d
1 changed files with 6 additions and 2 deletions
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modules/encryption/enc_bcrypt.cpp
+6 -2
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@@ -104,6 +104,7 @@ class EBCrypt final
{
private:
BCryptProvider bcryptprovider;
static const size_t BCRYPT_MAX_LEN = 72;
public:
EBCrypt(const Anope::string &modname, const Anope::string &creator)
@@ -118,8 +119,7 @@ public:
EventReturn OnEncrypt(const Anope::string &src, Anope::string &dest) override
{
// Bcrypt can not generate passwords longer than 71 characters.
if (src.length() > 71)
if (src.length() > BCRYPT_MAX_LEN)
return EVENT_CONTINUE;
dest = "bcrypt:" + bcryptprovider.Encrypt(src);
@@ -167,6 +167,10 @@ public:
void OnReload(Configuration::Conf &conf) override
{
const auto maxpasslen = conf.GetModule("nickserv").Get<unsigned>("maxpasslen", "50");
if (maxpasslen > BCRYPT_MAX_LEN && ModuleManager::FindFirstOf(ENCRYPTION) == this)
Log(this) << "Warning: {nickserv}:maxpasslen is set to " << maxpasslen << " which is longer than the bcrypt maximum length of " << BCRYPT_MAX_LEN;
auto &block = conf.GetModule(this);
auto rounds = block.Get<unsigned long>("rounds", "10");