From f32b9ebd63b7ab3f21f27fa575141f3c0d260e5b Mon Sep 17 00:00:00 2001
From: Stephen Bennett <spb@exherbo.org>
Date: Sun, 9 Nov 2008 18:54:00 +0000
Subject: [PATCH] Add hooks for local and remote nick changes

---
 modules/core/m_nick.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/modules/core/m_nick.c b/modules/core/m_nick.c
index 81f916ec..ec57b93a 100644
--- a/modules/core/m_nick.c
+++ b/modules/core/m_nick.c
@@ -79,6 +79,9 @@ static void perform_nick_collides(struct Client *, struct Client *,
 static void perform_nickchange_collides(struct Client *, struct Client *,
 					struct Client *, int, const char **, time_t, const char *);
 
+static int h_local_nick_change;
+static int h_remote_nick_change;
+
 struct Message nick_msgtab = {
 	"NICK", 0, 0, 0, 0,
 	{{mr_nick, 0}, {m_nick, 0}, {mc_nick, 3}, {ms_nick, 0}, mg_ignore, {m_nick, 0}}
@@ -99,10 +102,16 @@ struct Message save_msgtab = {
 mapi_clist_av1 nick_clist[] = { &nick_msgtab, &uid_msgtab, &euid_msgtab,
 	&save_msgtab, NULL };
 
+mapi_hlist_av1 nick_hlist[] = {
+	{ "local_nick_change", &h_local_nick_change },
+	{ "remote_nick_change", &h_remote_nick_change },
+	{ NULL, NULL }
+};
+
 static const char nick_desc[] =
 	"Provides the NICK client and server commands as well as the UID, EUID, and SAVE TS6 server commands";
 
-DECLARE_MODULE_AV2(nick, NULL, NULL, nick_clist, NULL, NULL, NULL, NULL, nick_desc);
+DECLARE_MODULE_AV2(nick, NULL, NULL, nick_clist, nick_hlist, NULL, NULL, NULL, nick_desc);
 
 /* mr_nick()
  *       parv[1] = nickname
@@ -615,6 +624,7 @@ change_local_nick(struct Client *client_p, struct Client *source_p,
 	struct Channel *chptr;
 	char note[NICKLEN + 10];
 	int samenick;
+	hook_data hook_info;
 
 	if (dosend)
 	{
@@ -658,6 +668,11 @@ change_local_nick(struct Client *client_p, struct Client *source_p,
 			invalidate_bancache_user(source_p);
 	}
 
+	hook_info.client = source_p;
+	hook_info.arg1 = source_p->name;
+	hook_info.arg2 = nick;
+	call_hook(h_local_nick_change, &hook_info);
+
 	sendto_realops_snomask(SNO_NCHANGE, L_ALL,
 			     "Nick change: From %s to %s [%s@%s]",
 			     source_p->name, nick, source_p->username, source_p->host);
@@ -716,6 +731,7 @@ change_remote_nick(struct Client *client_p, struct Client *source_p,
 {
 	struct nd_entry *nd;
 	int samenick = irccmp(source_p->name, nick) ? 0 : 1;
+	hook_data hook_info;
 
 	/* client changing their nick - dont reset ts if its same */
 	if(!samenick)
@@ -724,6 +740,11 @@ change_remote_nick(struct Client *client_p, struct Client *source_p,
 		monitor_signoff(source_p);
 	}
 
+	hook_info.client = source_p;
+	hook_info.arg1 = source_p->name;
+	hook_info.arg2 = nick;
+	call_hook(h_remote_nick_change, &hook_info);
+
 	sendto_common_channels_local(source_p, NOCAPS, NOCAPS, ":%s!%s@%s NICK :%s",
 				     source_p->name, source_p->username, source_p->host, nick);