1 /*
2  *   Unreal Internet Relay Chat Daemon, src/modules/m_chgname.c
3  *   (C) 2000-2001 Carsten V. Munk and the UnrealIRCd Team
4  *   Moved to modules by Fish (Justin Hammond)
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 1, or (at your option)
9  *   any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19  */
20 /**
21  * 2003-01-06
22  * - Added ability to log command usage to ircd.log
23  * XeRXeS
24  */
25 
26 #include "config.h"
27 #include "struct.h"
28 #include "common.h"
29 #include "sys.h"
30 #include "numeric.h"
31 #include "msg.h"
32 #include "channel.h"
33 #include <time.h>
34 #include <sys/stat.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #ifdef _WIN32
39 #include <io.h>
40 #endif
41 #include <fcntl.h>
42 #include "h.h"
43 #include "proto.h"
44 #ifdef STRIPBADWORDS
45 #include "badwords.h"
46 #endif
47 #ifdef _WIN32
48 #include "version.h"
49 #endif
50 
51 DLLFUNC int m_chgname(aClient *cptr, aClient *sptr, int parc, char *parv[]);
52 
53 /* Place includes here */
54 #define MSG_CHGNAME     "CHGNAME"
55 #define TOK_CHGNAME     "BK"
56 
57 
58 ModuleHeader MOD_HEADER(m_chgname)
59   = {
60 	"chgname",	/* Name of module */
61 	"$Id$", /* Version */
62 	"command /chgname", /* Short description of module */
63 	"3.2-b8-1",
64 	NULL
65     };
66 
67 
68 /* This is called on module init, before Server Ready */
MOD_INIT(m_chgname)69 DLLFUNC int MOD_INIT(m_chgname)(ModuleInfo *modinfo)
70 {
71 	/*
72 	 * We call our add_Command crap here
73 	*/
74 	add_Command(MSG_CHGNAME, TOK_CHGNAME, m_chgname, 2);
75 	add_Command(MSG_SVSNAME, NULL, m_chgname, 2);
76 	MARK_AS_OFFICIAL_MODULE(modinfo);
77 	return MOD_SUCCESS;
78 }
79 
80 /* Is first run when server is 100% ready */
MOD_LOAD(m_chgname)81 DLLFUNC int MOD_LOAD(m_chgname)(int module_load)
82 {
83 	return MOD_SUCCESS;
84 
85 }
86 
87 
88 /* Called when module is unloaded */
MOD_UNLOAD(m_chgname)89 DLLFUNC int MOD_UNLOAD(m_chgname)(int module_unload)
90 {
91 	if (del_Command(MSG_CHGNAME, TOK_CHGNAME, m_chgname) < 0)
92 	{
93 		sendto_realops("Failed to delete command chgname when unloading %s",
94 				MOD_HEADER(m_chgname).name);
95 	}
96 	if (del_Command(MSG_SVSNAME, NULL, m_chgname) < 0)
97 	{
98 		sendto_realops("Failed to delete command svsname when unloading %s",
99 				MOD_HEADER(m_chgname).name);
100 	}
101 	return MOD_SUCCESS;
102 
103 }
104 
105 
106 /*
107  * m_chgname - Tue May 23 13:06:35 BST 200 (almost a year after I made CHGIDENT) - Stskeeps
108  * :prefix CHGNAME <nick> <new realname>
109  * parv[0] - sender
110  * parv[1] - nickname
111  * parv[2] - realname
112  *
113 */
114 
m_chgname(aClient * cptr,aClient * sptr,int parc,char * parv[])115 DLLFUNC int m_chgname(aClient *cptr, aClient *sptr, int parc, char *parv[])
116 {
117 	aClient *acptr;
118 
119 	if (MyClient(sptr) && !IsAnOper(sptr))
120 	{
121 		sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name,
122 		    parv[0]);
123 		return 0;
124 	}
125 
126 #ifdef DISABLE_USERMOD
127 	if (MyClient(sptr))
128 	{
129 		sendto_one(sptr, err_str(ERR_DISABLED), me.name, sptr->name, "CHGNAME",
130 			"This command is disabled on this server");
131 		return 0;
132 	}
133 #endif
134 
135 	if ((parc < 3) || !*parv[2])
136 	{
137 		sendto_one(sptr, err_str(ERR_NEEDMOREPARAMS), me.name, sptr->name, "CHGNAME");
138 		return 0;
139 	}
140 
141 	if (strlen(parv[2]) > (REALLEN))
142 	{
143 		sendnotice(sptr, "*** ChgName Error: Requested realname too long -- rejected.");
144 		return 0;
145 	}
146 
147 	if ((acptr = find_person(parv[1], NULL)))
148 	{
149 		if (MyClient(sptr) && (IsLocOp(sptr) && !MyClient(acptr)))
150 		{
151 			sendto_one(sptr, err_str(ERR_NOPRIVILEGES), me.name,
152 				parv[0]);
153 			return 0;
154 		}
155 
156 		/* set the realname first to make n:line checking work */
157 		ircsprintf(acptr->info, "%s", parv[2]);
158 		/* only check for n:lines if the person who's name is being changed is not an oper */
159 		if (!IsAnOper(acptr) && Find_ban(NULL, acptr->info, CONF_BAN_REALNAME)) {
160 			int xx;
161 			xx =
162 			   exit_client(cptr, sptr, &me,
163 			   "Your GECOS (real name) is banned from this server");
164 			return xx;
165 		}
166 		if (!IsULine(sptr))
167 		{
168 			sendto_snomask(SNO_EYES,
169 			    "%s changed the GECOS of %s (%s@%s) to be %s",
170 			    sptr->name, acptr->name, acptr->user->username,
171 			    GetHost(acptr), parv[2]);
172 			/* Logging ability added by XeRXeS */
173 			ircd_log(LOG_CHGCMDS,
174 				"CHGNAME: %s changed the GECOS of %s (%s@%s) to be %s",
175 				sptr->name, acptr->name, acptr->user->username,
176 				GetHost(acptr), parv[2]);
177 		}
178 
179 
180 		sendto_serv_butone_token(cptr, sptr->name,
181 		    MSG_CHGNAME, TOK_CHGNAME, "%s :%s", acptr->name, parv[2]);
182 		return 0;
183 	}
184 	else
185 	{
186 		sendto_one(sptr, err_str(ERR_NOSUCHNICK), me.name, sptr->name,
187 		    parv[1]);
188 		return 0;
189 	}
190 	return 0;
191 }
192 
193