Add extensions/match_gatewayip edk/mask-hooks

2 files changed, 54 insertions, 0 deletions

diff --git a/extensions/Makefile.am b/extensions/Makefile.am
index cf44a370..e941260e 100644
--- a/extensions/Makefile.am
+++ b/extensions/Makefile.am
@@ -79,6 +79,7 @@ extension_LTLIBRARIES =		\
   spy_trace_notice.la		\
   drain.la			\
   identify_msg.la		\
+  match_gatewayip.la		\
   example_module.la
 
 if HAVE_HYPERSCAN
diff --git a/extensions/match_gatewayip.c b/extensions/match_gatewayip.c
new file mode 100644
index 00000000..b6199a5f
--- /dev/null
+++ b/extensions/match_gatewayip.c
@@ -0,0 +1,53 @@
+/*
+ *  Copyright (C) 2020 Ed Kellett
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
+ *  USA
+ */
+
+#include <stdinc.h>
+#include <modules.h>
+#include <hook.h>
+#include <match.h>
+#include <channel.h>
+
+static const char match_gatewayip_desc[] = "Consider .../ip.X.X.X.X hostnames in channel IP ban matching";
+
+static void hook_match_client(void *);
+
+mapi_hfn_list_av1 match_gatewayip_hfnlist[] = {
+	{ "match_client", hook_match_client },
+	{ NULL, NULL }
+};
+
+void hook_match_client(void *data_)
+{
+	hook_data_match_client *data = data_;
+	const char *p;
+
+	if (data->mode_type != CHFL_BAN && data->mode_type != CHFL_QUIET)
+		return;
+
+	if (!IsDynSpoof(data->client))
+		return;
+
+	p = strstr(data->client->host, "/ip.");
+	if (p == NULL)
+		return;
+
+	matchset_append_ip(data->ms, "%s!%s@%s", data->client->name, data->client->username, p + 4);
+}
+
+DECLARE_MODULE_AV2(match_gatewayip, NULL, NULL, NULL, NULL, match_gatewayip_hfnlist, NULL, NULL, match_gatewayip_desc);