From 0d3ceb0f0ca7db062532240bf737176b17b287d6 Mon Sep 17 00:00:00 2001
From: Sadie Powell
Date: Tue, 29 Mar 2022 14:40:14 +0100
Subject: Hide disabled commands from /COMMANDS.

---
 src/modules/m_disable.cpp | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'src/modules/m_disable.cpp')

diff --git a/src/modules/m_disable.cpp b/src/modules/m_disable.cpp
index 984470bed..1e77a609b 100644
--- a/src/modules/m_disable.cpp
+++ b/src/modules/m_disable.cpp
@@ -23,7 +23,10 @@
 enum
 {
 	// From ircu.
-	ERR_DISABLED = 517
+	ERR_DISABLED = 517,
+
+	// InspIRCd-specific.
+	RPL_COMMANDS = 700
 };
 
 // Holds a list of disabled commands.
@@ -122,6 +125,20 @@ public:
 		notifyopers = tag->getBool("notifyopers");
 	}
 
+	ModResult OnNumeric(User* user, const Numeric::Numeric& numeric) override
+	{
+		if (numeric.GetNumeric() != RPL_COMMANDS || numeric.GetParams().size() < 1)
+			return MOD_RES_PASSTHRU; // The numeric isn't the one we care about.
+
+		if (!fakenonexistent || !IS_LOCAL(user))
+			return MOD_RES_PASSTHRU; // We're not hiding the numeric OR the user is remote.
+
+		if (!stdalgo::isin(commands, numeric.GetParams()[0]) || user->HasPrivPermission("servers/use-disabled-commands"))
+			return MOD_RES_PASSTHRU; // Wrong command or the user is is an exempt oper.
+
+		return MOD_RES_DENY;
+	}
+
 	ModResult OnPreCommand(std::string& command, CommandBase::Params& parameters, LocalUser* user, bool validated) override
 	{
 		// If a command is unvalidated or the source is not registered we do nothing.
-- 
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