add WHOIS command

diff --git a/irc.c b/irc.c
index 4b4660d..e84c38e 100644 (file)
--- a/irc.c
+++ b/irc.c
@@ -256,6 +256,28 @@ int processPacket(struct client_data *client) {
                        copy_strf(&databuf, ":%s 352 %s * ~user localhost %s %s H :1 Patchouli Knowledge\n", hostname, client->nick, hostname, args[0]);
                copy_strf(&databuf, ":%s 315 %s %s :End of WHO list\n", hostname, client->nick, args[0]);
                send_log(client->FD, databuf.buf, databuf.len, 0);
+       } else if(strcmp(command, "WHOIS") == 0) {
+               if (!client->nick) // FIXME: error message
+                       return 0;
+               if (argc == 0) // FIXME: error message
+                       return 0;
+               char *nick = args[1] ? args[1] : args[0];
+               struct client_data *cl = findClient(nick);
+               if (cl) {
+                       copy_strf(&databuf, ":%s 311 %s %s %s %s * :%s\n", hostname, client->nick, cl->nick, cl->username, cl->hostname, cl->realname);
+                       send_log(client->FD, databuf.buf, databuf.len, 0);
+                       copy_strf(&databuf, ":%s 312 %s %s %s :Patchy server\n", hostname, client->nick, cl->nick, hostname);
+                       send_log(client->FD, databuf.buf, databuf.len, 0);
+                       if (cl->umode & UMODE_OPER) {
+                               copy_strf(&databuf, ":%s 313 %s %s :is an IRC operator\n", hostname, client->nick, cl->nick);
+                               send_log(client->FD, databuf.buf, databuf.len, 0);
+                       }
+                       copy_strf(&databuf, ":%s 318 %s %s :End of /WHOIS list\n", hostname, client->nick, cl->nick);
+                       send_log(client->FD, databuf.buf, databuf.len, 0);
+               } else {
+                       copy_strf(&databuf, ":%s 401 %s %s :No such nick/channel\n", hostname, client->nick, cl->nick);
+                       send_log(client->FD, databuf.buf, databuf.len, 0);
+               }
        } else {
 unknown:
                // Inform user of error