src/cmd_neonserv_deluser.c

   1 /* cmd_neonserv_deluser.c - NeonServ v5.1
   2  * Copyright (C) 2011  Philipp Kreil (pk910)
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "cmd_neonserv.h"
  19
  20 /*
  21 * argv[0] - nick / *auth
  22 */
  23 static USERAUTH_CALLBACK(neonserv_cmd_deluser_nick_lookup);
  24 static void neonserv_cmd_deluser_async1(struct ClientSocket *client, struct ClientSocket *textclient, struct UserNode *user, struct ChanNode *chan, struct Event *event, char *nick, char *auth);
  25
  26 struct neonserv_cmd_deluser_cache {
  27     struct ClientSocket *client, *textclient;
  28     struct UserNode *user;
  29     struct ChanNode *chan;
  30     struct Event *event;
  31     char *nick;
  32 };
  33
  34 CMD_BIND(neonserv_cmd_deluser) {
  35     if(argv[0][0] == '*') {
  36         //we've got an auth
  37         argv[0]++;
  38         neonserv_cmd_deluser_async1(client, getTextBot(), user, chan, event, argv[0], argv[0]);
  39     } else {
  40         struct UserNode *cuser = getUserByNick(argv[0]);
  41         if(!cuser) {
  42             cuser = createTempUser(argv[0]);
  43             cuser->flags |= USERFLAG_ISTMPUSER;
  44         }
  45         if(cuser->flags & USERFLAG_ISAUTHED) {
  46             neonserv_cmd_deluser_async1(client, getTextBot(), user, chan, event, argv[0], cuser->auth);
  47         } else {
  48             struct neonserv_cmd_deluser_cache *cache = malloc(sizeof(*cache));
  49             if (!cache) {
  50                 perror("malloc() failed");
  51                 return;
  52             }
  53             cache->client = client;
  54             cache->textclient = getTextBot();
  55             cache->user = user;
  56             cache->chan = chan;
  57             cache->event = event;
  58             cache->nick = strdup(argv[0]);
  59             get_userauth(cuser, neonserv_cmd_deluser_nick_lookup, cache);
  60         }
  61     }
  62 }
  63
  64 static USERAUTH_CALLBACK(neonserv_cmd_deluser_nick_lookup) {
  65     struct neonserv_cmd_deluser_cache *cache = data;
  66     if(!user) {
  67         //USER_DOES_NOT_EXIST
  68         reply(cache->textclient, cache->user, "NS_USER_UNKNOWN", cache->nick);
  69     }
  70     else if(!(user->flags & USERFLAG_ISAUTHED)) {
  71         //USER_NOT_AUTHED
  72         reply(cache->textclient, cache->user, "NS_USER_NEED_AUTH", cache->nick);
  73     }
  74     else
  75         neonserv_cmd_deluser_async1(cache->client, cache->textclient, cache->user, cache->chan, cache->event, user->nick, user->auth);
  76     free(cache->nick);
  77     free(cache);
  78 }
  79
  80 static void neonserv_cmd_deluser_async1(struct ClientSocket *client, struct ClientSocket *textclient, struct UserNode *user, struct ChanNode *chan, struct Event *event, char *nick, char *auth) {
  81     //we've got a valid auth now...
  82     MYSQL_RES *res;
  83     MYSQL_ROW row;
  84     int userid;
  85     printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_user` = '%s'", escape_string(auth));
  86     res = mysql_use();
  87     if ((row = mysql_fetch_row(res)) != NULL) {
  88         userid = atoi(row[0]);
  89         //check if the user is already added
  90         printf_mysql_query("SELECT `chanuser_access`, `chanuser_id` FROM `chanusers` WHERE `chanuser_cid` = '%d' AND `chanuser_uid` = '%d'", chan->channel_id, userid);
  91         res = mysql_use();
  92         if ((row = mysql_fetch_row(res)) != NULL) {
  93             if(atoi(row[0]) >= getChannelAccess(user, chan, 0)) {
  94                 if(isGodMode(user)) {
  95                     event->flags |= CMDFLAG_OPLOG;
  96                 } else {
  97                     reply(textclient, user, "NS_USER_OUTRANKED", nick);
  98                     return;
  99                 }
 100             }
 101             //delete
 102             printf_mysql_query("DELETE FROM `chanusers` WHERE `chanuser_id` = '%s'", row[1]);
 103             reply(textclient, user, "NS_DELUSER_DONE", nick, atoi(row[0]), chan->name);
 104             logEvent(event);
 105             return;
 106         }
 107     }
 108     reply(textclient, user, "NS_NOT_ON_USERLIST", nick, chan->name);
 109 }