From f99085fc03246eceb8a4bb66950270b88d65a504 Mon Sep 17 00:00:00 2001
From: Bram Matthys <syzop@vulnscan.org>
Date: Sun, 19 Jun 2022 10:27:16 +0200
Subject: [PATCH] RPC: add user.get()

---
 src/modules/rpc/user.c | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/src/modules/rpc/user.c b/src/modules/rpc/user.c
index 8548f6100..4aa4e62fb 100644
--- a/src/modules/rpc/user.c
+++ b/src/modules/rpc/user.c
@@ -16,6 +16,7 @@ ModuleHeader MOD_HEADER
 
 /* Forward declarations */
 void rpc_user_list(Client *client, json_t *request, json_t *params);
+void rpc_user_get(Client *client, json_t *request, json_t *params);
 
 MOD_INIT()
 {
@@ -31,6 +32,14 @@ MOD_INIT()
 		config_error("[rpc/user] Could not register RPC handler");
 		return MOD_FAILED;
 	}
+	memset(&r, 0, sizeof(r));
+	r.method = "user.get";
+	r.call = rpc_user_get;
+	if (!RPCHandlerAdd(modinfo->handle, &r))
+	{
+		config_error("[rpc/user] Could not register RPC handler");
+		return MOD_FAILED;
+	}
 
 	return MOD_SUCCESS;
 }
@@ -71,3 +80,30 @@ void rpc_user_list(Client *client, json_t *request, json_t *params)
 	rpc_response(client, request, result);
 	json_decref(result);
 }
+
+void rpc_user_get(Client *client, json_t *request, json_t *params)
+{
+	json_t *result, *list, *item;
+	const char *nick;
+	Client *acptr;
+
+	nick = json_object_get_string(params, "nick");
+	if (!nick)
+	{
+		rpc_error(client, NULL, JSON_RPC_ERROR_INVALID_PARAMS, "Missing parameter: 'nick'");
+		return;
+	}
+
+	if (!(acptr = find_user(nick, NULL)))
+	{
+		// FIXME: wrong error!
+		// consider re-using IRC numerics? the positive ones, eg ERR_NOSUCHNICK
+		rpc_error(client, NULL, JSON_RPC_ERROR_INVALID_REQUEST, "Nickname not found");
+		return;
+	}
+
+	result = json_object();
+	json_expand_client(result, "client", acptr, 1);
+	rpc_response(client, request, result);
+	json_decref(result);
+}