1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
* E-mail:
* <brain.net>
* <Craig.net>
*
* Written by Craig Edwards, Craig McLure, and others.
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
using namespace std;
#include "inspircd_config.h"
#include "inspircd.h"
#include "inspircd_io.h"
#include <time.h>
#include <string>
#ifdef GCC3
#include <ext/hash_map>
#else
#include <hash_map>
#endif
#include <map>
#include <sstream>
#include <vector>
#include <deque>
#include "users.h"
#include "ctables.h"
#include "globals.h"
#include "modules.h"
#include "dynamic.h"
#include "wildcard.h"
#include "message.h"
#include "commands.h"
#include "mode.h"
#include "xline.h"
#include "inspstring.h"
#include "dnsqueue.h"
#include "dns.h"
#include "helperfuncs.h"
#include "hashcomp.h"
#include "socketengine.h"
#include "typedefs.h"
#include "command_parse.h"
#include "cmd_nick.h"
extern ServerConfig* Config;
extern InspIRCd* ServerInstance;
extern int MODCOUNT;
extern std::vector<Module*> modules;
extern std::vector<ircd_module*> factory;
extern time_t TIME;
extern user_hash clientlist;
extern chan_hash chanlist;
extern whowas_hash whowas;
extern std::vector<userrec*> all_opers;
extern std::vector<userrec*> local_users;
extern userrec* fd_ref_table[65536];
void cmd_nick::Handle (char **parameters, int pcnt, userrec *user)
{
char oldnick[NICKMAX];
if (pcnt < 1)
{
log(DEBUG,"not enough params for handle_nick");
return;
}
if (!parameters[0])
{
log(DEBUG,"invalid parameter passed to handle_nick");
return;
}
if (!parameters[0][0])
{
log(DEBUG,"zero length new nick passed to handle_nick");
return;
}
if (!user)
{
log(DEBUG,"invalid user passed to handle_nick");
return;
}
if (!user->nick)
{
log(DEBUG,"invalid old nick passed to handle_nick");
return;
}
if (irc::string(user->nick) == irc::string(parameters[0]))
{
log(DEBUG,"old nick is new nick, not updating hash (case change only)");
strlcpy(oldnick,user->nick,NICKMAX);
int MOD_RESULT = 0;
FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
if (MOD_RESULT)
return;
strlcpy(user->nick,parameters[0],NICKMAX);
if (user->registered == 7)
WriteCommon(user,"NICK %s",parameters[0]);
FOREACH_MOD OnUserPostNick(user,oldnick);
return;
}
else
{
if (strlen(parameters[0]) > 1)
{
if (parameters[0][0] == ':')
{
*parameters[0]++;
}
}
if (matches_qline(parameters[0]))
{
WriteOpers("*** Q-Lined nickname %s from %s!%s@%s: %s",parameters[0],user->nick,user->ident,user->host,matches_qline(parameters[0]));
WriteServ(user->fd,"432 %s %s :Invalid nickname: %s",user->nick,parameters[0],matches_qline(parameters[0]));
return;
}
if ((Find(parameters[0])) && (Find(parameters[0]) != user))
{
WriteServ(user->fd,"433 %s %s :Nickname is already in use.",user->nick,parameters[0]);
return;
}
}
if (isnick(parameters[0]) == 0)
{
WriteServ(user->fd,"432 %s %s :Erroneous Nickname",user->nick,parameters[0]);
return;
}
if (user->registered == 7)
{
int MOD_RESULT = 0;
FOREACH_RESULT(OnUserPreNick(user,parameters[0]));
if (MOD_RESULT) {
// if a module returns true, the nick change is silently forbidden.
return;
}
WriteCommon(user,"NICK %s",parameters[0]);
}
strlcpy(oldnick,user->nick,NICKMAX);
/* change the nick of the user in the users_hash */
user = ReHashNick(user->nick, parameters[0]);
/* actually change the nick within the record */
if (!user) return;
if (!user->nick) return;
strlcpy(user->nick, parameters[0],NICKMAX);
log(DEBUG,"new nick set: %s",user->nick);
if (user->registered < 3)
{
user->registered = (user->registered | 2);
// dont attempt to look up the dns until they pick a nick... because otherwise their pointer WILL change
// and unless we're lucky we'll get a duff one later on.
//user->dns_done = (!lookup_dns(user->nick));
//if (user->dns_done)
// log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
#ifdef THREADED_DNS
// initialize their dns lookup thread
if (pthread_create(&user->dnsthread, NULL, dns_task, (void *)user) != 0)
{
log(DEBUG,"Failed to create DNS lookup thread for user %s",user->nick);
}
#else
user->dns_done = (!lookup_dns(user->nick));
if (user->dns_done)
log(DEBUG,"Aborting dns lookup of %s because dns server experienced a failure.",user->nick);
#endif
}
if (user->registered == 3)
{
/* user is registered now, bit 0 = USER command, bit 1 = sent a NICK command */
FOREACH_MOD OnUserRegister(user);
ConnectUser(user);
}
if (user->registered == 7)
{
FOREACH_MOD OnUserPostNick(user,oldnick);
}
}
|
