1 /*
2  * ngIRCd -- The Next Generation IRC Daemon
3  * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  * Please read the file COPYING, README and AUTHORS for more information.
10  *
11  * IRC operator commands
12  */
13 
14 
15 #include "portab.h"
16 
17 static char UNUSED id[] = "$Id: irc-oper.c,v 1.17 2002/12/31 16:10:55 alex Exp $";
18 
19 #include "imp.h"
20 #include <assert.h>
21 #include <stdlib.h>
22 #include <string.h>
23 
24 #include "ngircd.h"
25 #include "resolve.h"
26 #include "conn.h"
27 #include "conf.h"
28 #include "client.h"
29 #include "channel.h"
30 #include "irc-write.h"
31 #include "log.h"
32 #include "messages.h"
33 #include "parse.h"
34 
35 #include <exp.h>
36 #include "irc-oper.h"
37 
38 
39 GLOBAL BOOLEAN
40 IRC_OPER( CLIENT *Client, REQUEST *Req )
41 {
42 	INT i;
43 
44 	assert( Client != NULL );
45 	assert( Req != NULL );
46 
47 	/* Falsche Anzahl Parameter? */
48 	if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
49 
50 	/* Operator suchen */
51 	for( i = 0; i < Conf_Oper_Count; i++)
52 	{
53 		if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
54 	}
55 	if( i >= Conf_Oper_Count )
56 	{
57 		Log( LOG_WARNING, "Got invalid OPER from \"%s\": Name \"%s\" not configured!", Client_Mask( Client ), Req->argv[0] );
58 		return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
59 	}
60 
61 	/* Stimmt das Passwort? */
62 	if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
63 	{
64 		Log( LOG_WARNING, "Got invalid OPER from \"%s\": Bad password for \"%s\"!", Client_Mask( Client ), Conf_Oper[i].name );
65 		return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
66 	}
67 
68 	if( ! Client_HasMode( Client, 'o' ))
69 	{
70 		/* noch kein o-Mode gesetzt */
71 		Client_ModeAdd( Client, 'o' );
72 		if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
73 		IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
74 	}
75 
76 	if( ! Client_OperByMe( Client )) Log( LOG_NOTICE|LOG_snotice, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
77 
78 	Client_SetOperByMe( Client, TRUE );
79 	return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
80 } /* IRC_OPER */
81 
82 
83 GLOBAL BOOLEAN
84 IRC_DIE( CLIENT *Client, REQUEST *Req )
85 {
86 	/* Shut down server */
87 
88 	assert( Client != NULL );
89 	assert( Req != NULL );
90 
91 	/* Not a local IRC operator? */
92 	if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
93 	
94 	/* Bad number of parameters? */
95 	if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
96 
97 	Log( LOG_NOTICE|LOG_snotice, "Got DIE command from \"%s\" ...", Client_Mask( Client ));
98 	NGIRCd_SignalQuit = TRUE;
99 	return CONNECTED;
100 } /* IRC_DIE */
101 
102 
103 GLOBAL BOOLEAN
104 IRC_REHASH( CLIENT *Client, REQUEST *Req )
105 {
106 	/* Reload configuration file */
107 
108 	assert( Client != NULL );
109 	assert( Req != NULL );
110 
111 	/* Not a local IRC operator? */
112 	if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
113 
114 	/* Bad number of parameters? */
115 	if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
116 
117 	Log( LOG_NOTICE|LOG_snotice, "Got REHASH command from \"%s\" ...", Client_Mask( Client ));
118 	NGIRCd_SignalRehash = TRUE;
119 	
120 	return CONNECTED;
121 } /* IRC_REHASH */
122 
123 
124 GLOBAL BOOLEAN
125 IRC_RESTART( CLIENT *Client, REQUEST *Req )
126 {
127 	/* Restart IRC server (fork a new process) */
128 
129 	assert( Client != NULL );
130 	assert( Req != NULL );
131 
132 	/* Not a local IRC operator? */
133 	if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
134 
135 	/* Bad number of parameters? */
136 	if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
137 
138 	Log( LOG_NOTICE|LOG_snotice, "Got RESTART command from \"%s\" ...", Client_Mask( Client ));
139 	NGIRCd_SignalRestart = TRUE;
140 	return CONNECTED;
141 } /* IRC_RESTART */
142 
143 
144 GLOBAL BOOLEAN
145 IRC_CONNECT(CLIENT *Client, REQUEST *Req )
146 {
147 	/* Connect configured or new server */
148 
149 	assert( Client != NULL );
150 	assert( Req != NULL );
151 
152 	/* Not a local IRC operator? */
153 	if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
154 
155 	/* Bad number of parameters? */
156 	if(( Req->argc != 2 ) && ( Req->argc != 5 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
157 
158 	/* Invalid port number? */
159 	if( atoi( Req->argv[1] ) < 1 )  return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
160 
161 	Log( LOG_NOTICE|LOG_snotice, "Got CONNECT command from \"%s\" for \"%s\".", Client_Mask( Client ), Req->argv[0]);
162 
163 	if( Req->argc == 2 )
164 	{
165 		/* Connect configured server */
166 		if( ! Conf_EnableServer( Req->argv[0], atoi( Req->argv[1] ))) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
167 	}
168 	else
169 	{
170 		/* Add server */
171 		if( ! Conf_AddServer( Req->argv[0], atoi( Req->argv[1] ), Req->argv[2], Req->argv[3], Req->argv[4] )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
172 	}
173 	return CONNECTED;
174 } /* IRC_CONNECT */
175 
176 
177 GLOBAL BOOLEAN
178 IRC_DISCONNECT(CLIENT *Client, REQUEST *Req )
179 {
180 	/* Disconnect and disable configured server */
181 
182 	CONN_ID my_conn;
183 
184 	assert( Client != NULL );
185 	assert( Req != NULL );
186 
187 	/* Not a local IRC operator? */
188 	if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
189 
190 	/* Bad number of parameters? */
191 	if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
192 
193 	Log( LOG_NOTICE|LOG_snotice, "Got DISCONNECT command from \"%s\" for0 \"%s\".", Client_Mask( Client ), Req->argv[0]);
194 
195 	/* Save ID of this connection */
196 	my_conn = Client_Conn( Client );
197 
198 	/* Connect configured server */
199 	if( ! Conf_DisableServer( Req->argv[0] )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
200 
201 	/* Are we still connected or were we killed, too? */
202 	if( Client_GetFromConn( my_conn )) return CONNECTED;
203 	else return DISCONNECTED;
204 } /* IRC_CONNECT */
205 
206 
207 /* -eof- */