From a0f9244fca067807533617341daccdf7b539a4c4 Mon Sep 17 00:00:00 2001
From: Braxton Plaxco <bplaxco@lupnix.org>
Date: Fri, 12 May 2017 08:06:43 -0400
Subject: Add basic names support

~ B'ezrat Hashem ~
---
 miniircd | 23 +++++++++++++++++++++++
 test.py  | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 80 insertions(+)

diff --git a/miniircd b/miniircd
index f7d7315..98c52ac 100755
--- a/miniircd
+++ b/miniircd
@@ -364,6 +364,28 @@ class Client(object):
         def motd_handler():
             self.send_motd()
 
+        def names_handler():
+            channelname = irc_lower(arguments[0])
+            channel = self.channels[channelname]
+            names_prefix = "353 %s = %s :" % (self.nickname, channelname)
+            names = ""
+            # Max length: reply prefix ":server_name(space)" plus CRLF in
+            # the end.
+            names_max_len = 512 - (len(self.server.name) + 2 + 2)
+            for name in sorted(x.nickname for x in channel.members):
+                if not names:
+                    names = names_prefix + name
+                # Using >= to include the space between "names" and "name".
+                elif len(names) + len(name) >= names_max_len:
+                    self.reply(names)
+                    names = names_prefix + name
+                else:
+                    names += " " + name
+            if names:
+                self.reply(names)
+            self.reply("366 %s %s :End of NAMES list"
+                       % (self.nickname, channelname))
+
         def nick_handler():
             if len(arguments) < 1:
                 self.reply("431 :No nickname given")
@@ -530,6 +552,7 @@ class Client(object):
             "LUSERS": lusers_handler,
             "MODE": mode_handler,
             "MOTD": motd_handler,
+            "NAMES": names_handler,
             "NICK": nick_handler,
             "NOTICE": notice_and_privmsg_handler,
             "PART": part_handler,
diff --git a/test.py b/test.py
index 296e0c1..3e2afc2 100644
--- a/test.py
+++ b/test.py
@@ -297,6 +297,63 @@ class TestBasicStuff(ServerFixture):
             )
             self.expect(long_nick, r":local\S+ 366 %s #fisk :.*" % long_nick)
 
+    def test_join_and_request_names(self):
+        base_nick = 'A' * 49
+        # :FQDN 353 nick = #fisk :
+        base_len = len(socket.getfqdn()) + 66
+
+        one_line = (512 - base_len) / 50
+        nick_list_one = []
+        for i in range(one_line):
+            long_nick = '%s%d' % (base_nick, i)
+            nick_list_one.append(long_nick)
+            self.connect(long_nick)
+            self.send(long_nick, "JOIN #fisk")
+
+        nick_list_two = []
+        for i in range(10 - one_line):
+            long_nick = '%s%d' % (base_nick, one_line + i)
+            nick_list_two.append(long_nick)
+            self.connect(long_nick)
+            self.send(long_nick, "JOIN #fisk")
+
+        self.expect(
+            long_nick,
+            r":%(nick)s!%(nick)s@127.0.0.1 JOIN #fisk" % {
+                'nick': long_nick
+            }
+        )
+        self.expect(long_nick, r":local\S+ 331 %s #fisk :.*" % long_nick)
+        self.expect(
+            long_nick,
+            r":local\S+ 353 %s = #fisk :%s" % (
+                long_nick, ' '.join(nick_list_one)
+            )
+        )
+        self.expect(
+            long_nick,
+            r":local\S+ 353 %s = #fisk :%s" % (
+                long_nick, ' '.join(nick_list_two)
+            )
+        )
+        self.expect(long_nick, r":local\S+ 366 %s #fisk :.*" % long_nick)
+
+        # Send names request
+        self.send(long_nick, "NAMES #fisk")
+        self.expect(
+            long_nick,
+            r":local\S+ 353 %s = #fisk :%s" % (
+                long_nick, ' '.join(nick_list_one)
+            )
+        )
+        self.expect(
+            long_nick,
+            r":local\S+ 353 %s = #fisk :%s" % (
+                long_nick, ' '.join(nick_list_two)
+            )
+        )
+        self.expect(long_nick, r":local\S+ 366 %s #fisk :.*" % long_nick)
+
     def test_ison(self):
         self.connect("apa")
         self.send("apa", "ISON apa lemur")
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