Add /ban, /unban and handle ban list replies

catgirl.1

@@ -1,4 +1,4 @@
-.Dd February 16, 2020
+.Dd February 19, 2020
 .Dt CATGIRL 1
 .Os
 .
@@ -242,6 +242,8 @@ can be typed
 .Bl -tag -width Ds
 .It Ic /away Op Ar message
 Set or clear your away status.
+.It Ic /ban Op Ar mask ...
+List or ban masks from the channel.
 .It Ic /cs Ar command
 Send a command to ChanServ.
 .It Ic /invite Ar nick
@@ -274,6 +276,8 @@ Quit IRC.
 Send a raw IRC command.
 .It Ic /topic Op Ar topic
 Show or set the topic of the channel.
+.It Ic /unban Ar mask ...
+Unban masks from the channel.
 .It Ic /whois Ar nick
 Query information about a user.
 .El

chat.h

@@ -175,6 +175,7 @@ static inline void utilPush(struct Util *util, const char *arg) {
 
 extern struct Replies {
 	uint away;
+	uint ban;
 	uint join;
 	uint list;
 	uint names;

command.c

@@ -143,6 +143,30 @@ static void commandKick(uint id, char *params) {
 	}
 }
 
+static void commandBan(uint id, char *params) {
+	if (params) {
+		int count = 1;
+		for (char *ch = params; *ch; ++ch) {
+			if (*ch == ' ') count++;
+		}
+		char b[ParamCap - 2] = "bbbbbbbbbbbbb";
+		ircFormat("MODE %s +%.*s %s\r\n", idNames[id], count, b, params);
+	} else {
+		ircFormat("MODE %s +b\r\n", idNames[id]);
+		replies.ban++;
+	}
+}
+
+static void commandUnban(uint id, char *params) {
+	if (!params) return;
+	int count = 1;
+	for (char *ch = params; *ch; ++ch) {
+		if (*ch == ' ') count++;
+	}
+	char b[ParamCap - 2] = "bbbbbbbbbbbbb";
+	ircFormat("MODE %s -%.*s %s\r\n", idNames[id], count, b, params);
+}
+
 static void commandList(uint id, char *params) {
 	(void)id;
 	if (params) {
@@ -264,6 +288,7 @@ static const struct Handler {
 	bool restricted;
 } Commands[] = {
 	{ "/away", .fn = commandAway },
+	{ "/ban", .fn = commandBan },
 	{ "/close", .fn = commandClose },
 	{ "/copy", .fn = commandCopy, .restricted = true },
 	{ "/cs", .fn = commandCS },
@@ -287,6 +312,7 @@ static const struct Handler {
 	{ "/quit", .fn = commandQuit },
 	{ "/quote", .fn = commandQuote, .restricted = true },
 	{ "/topic", .fn = commandTopic },
+	{ "/unban", .fn = commandUnban },
 	{ "/whois", .fn = commandWhois },
 	{ "/window", .fn = commandWindow },
 };

handle.c

@@ -424,6 +424,35 @@ static void handleTopic(struct Message *msg) {
 	}
 }
 
+static void handleReplyBanList(struct Message *msg) {
+	require(msg, false, 3);
+	if (!replies.ban) return;
+	uint id = idFor(msg->params[1]);
+	if (msg->params[3] && msg->params[4]) {
+		char since[sizeof("0000-00-00 00:00:00")];
+		time_t time = strtol(msg->params[4], NULL, 10);
+		strftime(since, sizeof(since), "%F %T", localtime(&time));
+		uiFormat(
+			id, Cold, tagTime(msg),
+			"Banned in \3%02d%s\3 by \3%02d%s\3 since %s: %s",
+			hash(msg->params[1]), msg->params[1],
+			completeColor(id, msg->params[3]), msg->params[3], since,
+			msg->params[2]
+		);
+	} else {
+		uiFormat(
+			id, Cold, tagTime(msg),
+			"Banned in \3%02d%s\3: %s",
+			hash(msg->params[1]), msg->params[1], msg->params[2]
+		);
+	}
+}
+
+static void handleReplyEndOfBanList(struct Message *msg) {
+	(void)msg;
+	if (replies.ban) replies.ban--;
+}
+
 static void handleInvite(struct Message *msg) {
 	require(msg, true, 2);
 	if (!strcmp(msg->params[0], self.nick)) {
@@ -719,6 +748,8 @@ static const struct Handler {
 	{ "332", handleReplyTopic },
 	{ "353", handleReplyNames },
 	{ "366", handleReplyEndOfNames },
+	{ "367", handleReplyBanList },
+	{ "368", handleReplyEndOfBanList },
 	{ "372", handleReplyMOTD },
 	{ "378", handleReplyWhoisGeneric },
 	{ "379", handleReplyWhoisGeneric },