patch a632ad5590ca682a3409d25be72768761aff0b95
Author: E. Bosch <presidev@AT@gmail.com>
Date:   Fri Feb  5 00:38:22 CET 2021
  * irc: Add WHO command
diff -rN -u old-irgramd/irc.py new-irgramd/irc.py
--- old-irgramd/irc.py	2024-10-23 06:30:42.559520883 +0200
+++ new-irgramd/irc.py	2024-10-23 06:30:42.567520870 +0200
@@ -29,6 +29,7 @@
 IRC_PRIVMSG_RX  = re.compile(PREFIX + r'PRIVMSG( +|\n)(?P<nick>[^ ]+)( +:| +|\n)(?P<message>[^\n]+|)')
 IRC_USER_RX     = re.compile(PREFIX + r'USER( +|\n)(?P<username>[^ ]+) +[^ ]+ +[^ ]+( +:| +|\n)(?P<realname>[^\n]+|)')
 IRC_JOIN_RX     = re.compile(PREFIX + r'JOIN( +|\n)(?P<channel>[^ ]+)')
+IRC_WHO_RX      = re.compile(PREFIX + r'WHO( +:| +|\n)(?P<target>[^\n]+|)')
 
 # IRC Handler
 
@@ -94,6 +95,7 @@
             (IRC_PRIVMSG_RX,  self.handle_irc_privmsg,  True),
             (IRC_USER_RX,     self.handle_irc_user,     False),
             (IRC_JOIN_RX,     self.handle_irc_join,     True),
+            (IRC_WHO_RX,      self.handle_irc_who,      True),
         )
         self.iid_to_tid   = {}
         self.irc_channels = collections.defaultdict(set)
@@ -159,6 +161,27 @@
             self.hostname, self.hostname, payload
         ))
 
+    async def handle_irc_who(self, user, target):
+        self.logger.debug('Handling WHO: %s', target)
+        tgt = target.lower()
+        if tgt in self.irc_channels.keys():
+            users = self.irc_channels[tgt]
+            chan = target
+        elif tgt in self.users.keys():
+            users = (self.users[tgt],)
+            chan = '*'
+        else:
+            await self.reply_code(user, 'ERR_NOSUCHSERVER', (target,))
+            return
+        for usr in users:
+            if not isinstance(usr,IRCUser):
+                usr = self.users[usr.lower()]
+            op = self.get_irc_op(usr.irc_nick, chan)
+            await self.reply_code(user, 'RPL_WHOREPLY', (chan, usr.irc_username,
+                usr.address, self.hostname, usr.irc_nick, op, usr.irc_realname
+            ))
+        await self.reply_code(user, 'RPL_ENDOFWHO', (chan,))
+
     async def handle_irc_privmsg(self, user, nick, message):
         self.logger.debug('Handling PRIVMSG: %s, %s', nick, message)
 
diff -rN -u old-irgramd/irc_replies.py new-irgramd/irc_replies.py
--- old-irgramd/irc_replies.py	2024-10-23 06:30:42.567520870 +0200
+++ new-irgramd/irc_replies.py	2024-10-23 06:30:42.567520870 +0200
@@ -6,11 +6,13 @@
   'RPL_CREATED': ('003', ':This server was created {}'),
   'RPL_MYINFO': ('004', '{} irgramd-{} o nt'),
   'RPL_ISUPPORT': ('005', 'CASEMAPPING=ascii CHANLIMIT=#&+: CHANTYPES=&#+ CHANMODES=,,,nt CHANNELLEN={} NICKLEN={} SAFELIST :are supported by this server'),
+  'RPL_ENDOFWHO': ('315', '{} :End of WHO list'),
+  'RPL_WHOREPLY': (352, '{} {} {} {} {} H{} :0 {}'),
   'RPL_MOTDSTART': ('375', ':- {} Message of the day - '),
   'RPL_MOTD': ('372', ':- {}'),
   'RPL_ENDOFMOTD': (376, 'End of MOTD command'),
   'ERR_NOSUCHNICK': ('401', 'No such nick'),
-  'ERR_NOSUCHSERVER': ('402', 'No such server'),
+  'ERR_NOSUCHSERVER': ('402', '{} :Target not found'),
   'ERR_NOSUCHCHANNEL': ('403', 'No such channel'),
   'ERR_CANNOTSENDTOCHAN': ('404', 'Cannot send to channel'),
   'ERR_TOOMANYCHANNELS': ('405', 'Too many channels'),