From e763e7f06b3d37a0d9c0a0321dff957b55532e0f Mon Sep 17 00:00:00 2001
From: Egor <egor@patchysicp.xyz>
Date: Fri, 27 Oct 2023 19:31:10 +0300
Subject: [PATCH] add WHOX support

---
 src/irc.c    |  4 ++--
 src/ircfmt.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 src/ircfmt.h |  1 +
 3 files changed, 62 insertions(+), 3 deletions(-)

diff --git a/src/irc.c b/src/irc.c
index c02c367..4184026 100644
--- a/src/irc.c
+++ b/src/irc.c
@@ -981,12 +981,12 @@ int processPacket(struct client_data *client, char *source, char *command, int a
 			if (chan) {
 				struct client_data *cl;
 				map_foreach(&chan->members, 0, &cl)
-					rpl_whoreply(client, cl, chan), sendbuf(client);
+					(args[1] ? rpl_whospcrpl(client, cl, chan, args[1]) : rpl_whoreply(client, cl, chan)), sendbuf(client);
 			}
 		} else {
 			struct client_data *cl = findClient(args[0]);
 			if (cl)
-				rpl_whoreply(client, cl, NULL), sendbuf(client);
+				(args[1] ? rpl_whospcrpl(client, cl, 0, args[1]) : rpl_whoreply(client, cl, 0)), sendbuf(client);
 		}
 		rpl_endofwho(client, args[0]), sendbuf(client);
 	} else if(strcmp(command, "WHOIS") == 0) {
diff --git a/src/ircfmt.c b/src/ircfmt.c
index fc3affe..202267e 100644
--- a/src/ircfmt.c
+++ b/src/ircfmt.c
@@ -133,7 +133,7 @@ void rpl_myinfo(struct client_data *client) // 004
 }
 void rpl_isupport(struct client_data *client) // 005
 {
-	copy_strf(&databuf, ":%s 005 %s NETWORK=PatchyIRC CASEMAPPING=ascii NICKLEN=%u EXCEPTS=e INVEX=I MAXTARGETS=1 CHANMODES=beIqw,k,l,Pimnst CHANTYPES=#& PREFIX=(ov)@+ STATUSMSG=@+ BOT=B :are supported by this server\r\n", hostname, client->nick, MAX_NICKLEN-1);
+	copy_strf(&databuf, ":%s 005 %s NETWORK=PatchyIRC CASEMAPPING=ascii NICKLEN=%u EXCEPTS=e INVEX=I MAXTARGETS=1 CHANMODES=beIqw,k,l,Pimnst CHANTYPES=#& PREFIX=(ov)@+ STATUSMSG=@+ BOT=B WHOX :are supported by this server\r\n", hostname, client->nick, MAX_NICKLEN-1);
 
 }
 #if 0
@@ -253,6 +253,64 @@ void rpl_whoreply(struct client_data *client, struct client_data *cl, struct cha
 			cl->umode&UMODE_BOT ? "B" : "",
 			cl->realname);
 }
+void rpl_whospcrpl(struct client_data *client, struct client_data *cl, struct channel *chan, const char *fmt) // 354
+{
+	int flags = 0;
+	while (*fmt != '%')
+		fmt++;
+	while (*fmt) {
+		if (*fmt == ',') {
+			fmt++;
+			break;
+		}
+		switch (*fmt) {
+		case 't': flags |= 1<<0; break;
+		case 'c': flags |= 1<<1; break;
+		case 'u': flags |= 1<<2; break;
+		case 'i': flags |= 1<<3; break;
+		case 'h': flags |= 1<<4; break;
+		case 's': flags |= 1<<5; break;
+		case 'n': flags |= 1<<6; break;
+		case 'f': flags |= 1<<7; break;
+		case 'd': flags |= 1<<8; break;
+		case 'l': flags |= 1<<9; break;
+		case 'a': flags |= 1<<10; break;
+		case 'o': flags |= 1<<11; break;
+		case 'r': flags |= 1<<11; break;
+		}
+		fmt++;
+	}
+	copy_strf(&databuf, ":%s 354 %s", hostname, client->nick);
+	if (flags & 1<<0)  /* t */
+		append_strf(&databuf, " %s", fmt);
+	if (flags & 1<<1)  /* c */
+		append_strf(&databuf, " %s", chan ? chan->name : "*");
+	if (flags & 1<<2)  /* u */
+		append_strf(&databuf, " %s", cl->username);
+	if (flags & 1<<3)  /* i */
+		append_strf(&databuf, " %s", (client == cl || client->umode & UMODE_OPER) && cl->peername ? cl->peername : "255.255.255.255");
+	if (flags & 1<<4)  /* h */
+		append_strf(&databuf, " %s", cl->hostname);
+	if (flags & 1<<5)  /* s */
+		append_strf(&databuf, " %s", hostname);
+	if (flags & 1<<6)  /* n */
+		append_strf(&databuf, " %s", cl->nick);
+	if (flags & 1<<7)  /* f */
+		append_strf(&databuf, " %s%s%s%s",
+			cl->away ? "G" : "H", cl->umode&UMODE_OPER ? "*" : "", format_prefixes(client, cl, chan),
+			cl->umode&UMODE_BOT ? "B" : "");
+	if (flags & 1<<8)  /* d */
+		append_strf(&databuf, " 1");
+	if (flags & 1<<9)  /* l */
+		append_strf(&databuf, " %u", (unsigned)(get_time()-cl->lastactivity));
+	if (flags & 1<<10) /* a */
+		append_strf(&databuf, " %s", cl->username[0] != '~' ? cl->username : "0");
+	if (flags & 1<<11) /* o */
+		append_strf(&databuf, " n/a");
+	if (flags & 1<<11) /* r */
+		append_strf(&databuf, " :%s", cl->realname);
+	append_strf(&databuf, "\r\n");
+}
 void rpl_endofwho(struct client_data *client, const char *query) // 315
 {
 	copy_strf(&databuf, ":%s 315 %s %s :End of WHO list\r\n", hostname, client->nick, query);
diff --git a/src/ircfmt.h b/src/ircfmt.h
index ad22826..f4ab13f 100644
--- a/src/ircfmt.h
+++ b/src/ircfmt.h
@@ -44,6 +44,7 @@ void rpl_userhost(struct client_data *client, struct client_data **cls, int coun
 void rpl_unaway(struct client_data *client); // 305
 void rpl_nowaway(struct client_data *client); // 306
 void rpl_whoreply(struct client_data *client, struct client_data *cl, struct channel *chan); // 352
+void rpl_whospcrpl(struct client_data *client, struct client_data *cl, struct channel *chan, const char *fmt); // 354
 void rpl_endofwho(struct client_data *client, const char *query); // 315
 void rpl_whoisregnick(struct client_data *client, struct client_data *cl); // 307
 void rpl_whoisuser(struct client_data *client, struct client_data *cl); // 311
-- 
2.56.0