Another year is about to end... So we have to update these damn copyright information :P
[NeonServV5.git] / src / cmd_neonserv_giveowner.c
1 /* cmd_neonserv_giveowner.c - NeonServ v5.3
2  * Copyright (C) 2011-2012  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 * argv[1] - key
23 */
24
25 #define GIVEOWNER_TIMEOUT 86400 /* 60*60*24 = 86400 */
26
27 static USERAUTH_CALLBACK(neonserv_cmd_giveowner_nick_lookup);
28 static void neonserv_cmd_giveowner_async1(struct ClientSocket *client, struct ClientSocket *textclient, struct UserNode *user, struct ChanNode *chan, struct Event *event, char *nick, char *auth, char *key);
29
30 struct neonserv_cmd_giveowner_cache {
31     struct ClientSocket *client, *textclient;
32     struct UserNode *user;
33     struct ChanNode *chan;
34     struct Event *event;
35     char *nick;
36     char *key;
37 };
38
39 CMD_BIND(neonserv_cmd_giveowner) {
40     MYSQL_RES *res;
41     MYSQL_ROW row;
42     printf_mysql_query("SELECT `channel_lastgiveowner` FROM `channels` WHERE `channel_id` = '%d'", chan->channel_id);
43     res = mysql_use();
44     if ((row = mysql_fetch_row(res)) == NULL) return;
45     if(strcmp(row[0], "0") && (atoi(row[0]) + GIVEOWNER_TIMEOUT) > time(0)) {
46         char timeBuf[MAXLEN];
47         reply(getTextBot(), user, "NS_GIVEOWNER_TIMEOUT", timeToStr(user, (GIVEOWNER_TIMEOUT - (time(0) - atoi(row[0]))), 2, timeBuf), chan->name);
48         return;
49     }
50     if(argv[0][0] == '*') {
51         //we've got an auth
52         argv[0]++;
53         neonserv_cmd_giveowner_async1(client, getTextBot(), user, chan, event, argv[0], argv[0], (argc != 1 ? argv[1] : NULL));
54     } else {
55         struct UserNode *cuser = getUserByNick(argv[0]);
56         if(!cuser) {
57             cuser = createTempUser(argv[0]);
58             cuser->flags |= USERFLAG_ISTMPUSER;
59         }
60         if(cuser->flags & USERFLAG_ISAUTHED) {
61             neonserv_cmd_giveowner_async1(client, getTextBot(), user, chan, event, argv[0], cuser->auth, (argc != 1 ? argv[1] : NULL));
62         } else {
63             struct neonserv_cmd_giveowner_cache *cache = malloc(sizeof(*cache));
64             if (!cache) {
65                 perror("malloc() failed");
66                 return;
67             }
68             cache->client = client;
69             cache->textclient = getTextBot();
70             cache->user = user;
71             cache->chan = chan;
72             cache->event = event;
73             cache->nick = strdup(argv[0]);
74             cache->key = (argc != 1 ? strdup(argv[1]) : NULL);
75             get_userauth(cuser, neonserv_cmd_giveowner_nick_lookup, cache);
76         }
77     }
78 }
79
80 static USERAUTH_CALLBACK(neonserv_cmd_giveowner_nick_lookup) {
81     struct neonserv_cmd_giveowner_cache *cache = data;
82     if(!user) {
83         //USER_DOES_NOT_EXIST
84         reply(cache->textclient, cache->user, "NS_USER_UNKNOWN", cache->nick);
85     }
86     else if(!(user->flags & USERFLAG_ISAUTHED)) {
87         //USER_NOT_AUTHED
88         reply(cache->textclient, cache->user, "NS_USER_NEED_AUTH", cache->nick);
89     }
90     else
91         neonserv_cmd_giveowner_async1(cache->client, cache->textclient, cache->user, cache->chan, cache->event, user->nick, user->auth, cache->key);
92     free(cache->nick);
93     if(cache->key)
94         free(cache->key);
95     free(cache);
96 }
97
98 static void neonserv_cmd_giveowner_async1(struct ClientSocket *client, struct ClientSocket *textclient, struct UserNode *user, struct ChanNode *chan, struct Event *event, char *nick, char *auth, char *key) {
99     //we've got a valid auth now...
100     if(!stricmp(user->auth, auth)) {
101         reply(textclient, user, "NS_GIVEOWNER_SELF");
102         return;
103     }
104     MYSQL_RES *res;
105     MYSQL_ROW row;
106     printf_mysql_query("SELECT `user_user`, `dnr_timeout`, `dnr_reason`, `dnr_id` FROM `donotregister` LEFT JOIN `users` ON `dnr_user` = `user_id` WHERE `dnr_target` = '%s'", escape_string(auth));
107     res = mysql_use();
108     if((row = mysql_fetch_row(res)) != NULL) {
109         int expire_time = atoi(row[1]);
110         if(expire_time) {
111             if(expire_time - time(0) <= 0) {
112                 printf_mysql_query("DELETE FROM `donotregister` WHERE `dnr_id` = '%s'", row[3]);
113             } else {
114                 reply(getTextBot(), user, "NS_DNR_SET_ANONYM", auth);
115                 return;
116             }
117         } else {
118             reply(getTextBot(), user, "NS_DNR_SET_ANONYM", auth);
119             return;
120         }
121     }
122     int userid;
123     printf_mysql_query("SELECT `user_id` FROM `users` WHERE `user_user` = '%s'", escape_string(auth));
124     res = mysql_use();
125     if ((row = mysql_fetch_row(res)) != NULL) {
126         userid = atoi(row[0]);
127         //check if the user is already added
128         printf_mysql_query("SELECT `chanuser_access`, `chanuser_id` FROM `chanusers` WHERE `chanuser_cid` = '%d' AND `chanuser_uid` = '%d'", chan->channel_id, userid);
129         res = mysql_use();
130         if ((row = mysql_fetch_row(res)) != NULL) {
131             int seed = 0;
132             char *tmp;
133             char giveownerkey[16];
134             for(tmp = user->auth; *tmp; tmp++)
135                 seed = (seed * 0xEECE66DL ^ ((*tmp << 24) | (*tmp << 16) | (*tmp << 8) | *tmp));
136             for(tmp = chan->name; *tmp; tmp++)
137                 seed = (seed * 0xEECE66DL ^ ((*tmp << 24) | (*tmp << 16) | (*tmp << 8) | *tmp));
138             sprintf(giveownerkey, "%08x", seed);
139             if(key && !stricmp(giveownerkey, key)) {
140                 //give ownership
141                 printf_mysql_query("UPDATE `chanusers` SET `chanuser_access` = '500' WHERE `chanuser_id` = '%s'", row[1]);
142                 printf_mysql_query("UPDATE `chanusers` SET `chanuser_access` = '499' WHERE `chanuser_cid` = '%d' AND `chanuser_uid` = (SELECT `user_id` FROM `users` WHERE `user_user` = '%s')", chan->channel_id, escape_string(user->auth));
143                 printf_mysql_query("INSERT INTO `owner_history` (`owner_history_cid`, `owner_history_from_uid`, `owner_history_to_uid`, `owner_history_time`) VALUE ('%d', (SELECT `user_id` FROM `users` WHERE `user_user` = '%s'), '%d', UNIX_TIMESTAMP())", chan->channel_id, escape_string(user->auth), userid);
144                 reply(textclient, user, "NS_GIVEOWNER_DONE", chan->name, auth);
145                 logEvent(event);
146             } else {
147                 reply(textclient, user, "NS_GIVEOWNER_CONFIRM", auth, giveownerkey);
148             }
149             return;
150         }
151     }
152     reply(textclient, user, "NS_NOT_ON_USERLIST", nick, chan->name);
153 }