Implement revenge on ban (#40)

src/mod/irc.mod/mode.c

@@ -750,6 +750,40 @@ got_ban(struct chanset_t *chan, memberlist *m, char *mask, char *isserver)
   if (channel_pending(chan) || !me_op(chan))
     return;
 
+  // Make an array of all matching users
+  bd::Array<memberlist*> matchedUserMembers;
+  bool matched_bot = false;
+  char s1[UHOSTLEN] = "";
+
+  for (memberlist *mv = chan->channel.member; mv && mv->nick[0]; mv = mv->next) {
+    member_getuser(mv);
+    if (mv->user) {
+      simple_snprintf(s1, sizeof s1, "%s!%s", mv->nick, mv->userhost);
+      if ((wild_match(mask, s1) || match_cidr(mask, s1))) {
+        if (!matched_bot && mv->user->bot) {
+          matched_bot = true;
+        }
+        if (mv->user && !isexempted(chan, s1)) {
+          matchedUserMembers << mv;
+        }
+      }
+    }
+  }
+
+  // Revenge kick clients that ban our bots
+  if (chan->revenge && m && matched_bot) {
+    if (role < 5 && !chan_sentkick(m)) {
+      m->flags |= SENTKICK;
+      dprintf(DP_MODE_NEXT, "KICK %s %s :%s%s\r\n", chan->name, m->nick, kickprefix, response(RES_REVENGE));
+    } else {
+      if (m->user) {
+        char tmp[128] = "";
+        simple_snprintf(tmp, sizeof(tmp), "Banned bot %s (%s) on %s", m->nick, mask, chan->dname);
+        deflag_user(m->user, DEFLAG_EVENT_REVENGE_DEOP, tmp, chan);
+      }
+    }
+  }
+
   if ((wild_match(mask, me) || match_cidr(mask, meip)) && !isexempted(chan, me)) {
     add_mode(chan, '-', 'b', mask);
     reversing = 1;
@@ -762,7 +796,6 @@ got_ban(struct chanset_t *chan, memberlist *m, char *mask, char *isserver)
       return;
     }
     /* remove bans on ops unless a master/bot set it */
-    char s1[UHOSTLEN] = "";
 
     for (memberlist *m2 = chan->channel.member; m2 && m2->nick[0]; m2 = m2->next) {
       simple_snprintf(s1, sizeof s1, "%s!%s", m2->nick, m2->userhost);