Implement the freenode.net/identify-msg vendor cap

extensions/Makefile.am

@@ -78,6 +78,7 @@ extension_LTLIBRARIES =		\
   spy_stats_p_notice.la		\
   spy_trace_notice.la		\
   drain.la			\
+  identify_msg.la		\
   example_module.la
 
 if HAVE_HYPERSCAN

extensions/identify_msg.c

@@ -0,0 +1,29 @@
+#include <stdinc.h>
+#include <modules.h>
+#include <msgbuf.h>
+
+static const char identify_msg_desc[] = "Provides the freenode.net/identify-msg client capability";
+
+static void identmsg_outbound(void *);
+unsigned int CLICAP_IDENTIFY_MSG = 0;
+
+mapi_cap_list_av2 identmsg_cap_list[] = {
+	{ MAPI_CAP_CLIENT, "freenode.net/identify-msg", NULL, &CLICAP_IDENTIFY_MSG },
+	{ 0, NULL, NULL, NULL }
+};
+
+static mapi_hfn_list_av1 identmsg_hfnlist[] = {
+	{ "outbound_msgbuf", identmsg_outbound },
+	{ NULL, NULL }
+};
+
+static void identmsg_outbound(void *data_)
+{
+	hook_data *data = data_;
+	struct MsgBuf *msgbuf = data->arg1;
+
+	if (IsIdentified(data->client))
+		msgbuf_append_tag(msgbuf, "freenode.net/identified", NULL, CLICAP_IDENTIFY_MSG);
+}
+
+DECLARE_MODULE_AV2(identify_msg, NULL, NULL, NULL, NULL, identmsg_hfnlist, identmsg_cap_list, NULL, identify_msg_desc);

include/client.h

@@ -429,6 +429,7 @@ struct ListClient
 #define FLAGS_EXEMPTSPAMBOT	0x02000000
 #define FLAGS_EXEMPTSHIDE	0x04000000
 #define FLAGS_EXEMPTJUPE	0x08000000
+#define FLAGS_IDENTIFIED	0x10000000	/* owns their current nick */
 
 
 /* flags for local clients, this needs stuff moved from above to here at some point */
@@ -494,6 +495,9 @@ struct ListClient
 #define IsTGExcessive(x)	((x)->flags & FLAGS_TGEXCESSIVE)
 #define SetTGExcessive(x)	((x)->flags |= FLAGS_TGEXCESSIVE)
 #define ClearTGExcessive(x)	((x)->flags &= ~FLAGS_TGEXCESSIVE)
+#define IsIdentified(x)		((x)->flags & FLAGS_IDENTIFIED)
+#define SetIdentified(x)	((x)->flags |= FLAGS_IDENTIFIED)
+#define ClearIdentified(x)	((x)->flags &= ~FLAGS_IDENTIFIED)
 
 /* local flags */
 

ircd/modules.c

@@ -51,6 +51,7 @@ static const char *core_module_table[] = {
 	"m_ban",
 	"m_die",
 	"m_error",
+	"m_identified",
 	"m_join",
 	"m_kick",
 	"m_kill",

modules/Makefile.am

@@ -97,4 +97,5 @@ module_LTLIBRARIES = \
   core/m_part.la \
   core/m_quit.la \
   core/m_server.la \
-  core/m_squit.la
+  core/m_squit.la \
+  core/m_identified.la

modules/core/m_identified.c

@@ -0,0 +1,64 @@
+#include <stdinc.h>
+#include <modules.h>
+#include <messages.h>
+#include <send.h>
+
+static const char identified_desc[] = "Provides the IDENTIFIED server-to-server command";
+
+static void m_identified(struct MsgBuf *, struct Client *, struct Client *, int, const char *[]);
+
+static struct Message identified_msgtab = {
+	"IDENTIFIED", 0, 0, 0, 0,
+	{mg_ignore, mg_ignore, mg_ignore, mg_ignore, {m_identified, 3}, mg_ignore}
+};
+
+static mapi_clist_av1 identified_clist[] = {
+	&identified_msgtab,
+	NULL
+};
+
+static void identified_nick_change(void *);
+static void identified_burst_client(void *);
+
+static mapi_hfn_list_av1 identified_hfnlist[] = {
+	{ "local_nick_change", identified_nick_change, HOOK_MONITOR },
+	{ "remote_nick_change", identified_nick_change, HOOK_MONITOR },
+	{ "burst_client", identified_burst_client },
+	{ NULL, NULL }
+};
+
+static void m_identified(struct MsgBuf *msgbuf, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
+{
+	struct Client *target_p = find_person(parv[1]);
+	const char *nick = parv[2];
+
+	if (target_p == NULL)
+		return;
+
+	if (irccmp(target_p->name, nick))
+		return;
+
+	if (parc > 3 && irccmp(parv[3], "OFF") == 0)
+		ClearIdentified(target_p);
+	else
+		SetIdentified(target_p);
+}
+
+static void identified_nick_change(void *data_)
+{
+	hook_cdata *data = data_;
+	const char *oldnick = data->arg1, *newnick = data->arg2;
+
+	if (irccmp(oldnick, newnick) != 0)
+		ClearIdentified(data->client);
+}
+
+static void identified_burst_client(void *data_)
+{
+	hook_data_client *data = data_;
+
+	if (IsIdentified(data->target))
+		sendto_one(data->client, ":%s ENCAP * IDENTIFIED %s :%s", me.id, use_id(data->target), data->target->name);
+}
+
+DECLARE_MODULE_AV2(identified, NULL, NULL, identified_clist, NULL, identified_hfnlist, NULL, NULL, identified_desc);

tests/runtime/modules/m_identified.so

@@ -0,0 +1 @@
+../../../modules/core/.libs/m_identified.so