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
|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include "wildcard.h"
#include "commands/cmd_oper.h"
#include "hashcomp.h"
bool OneOfMatches(const char* host, const char* ip, const char* hostlist)
{
std::stringstream hl(hostlist);
std::string xhost;
while (hl >> xhost)
{
if (match(host, xhost) || match(ip,xhost, true))
{
return true;
}
}
return false;
}
extern "C" DllExport Command* init_command(InspIRCd* Instance)
{
return new CommandOper(Instance);
}
CmdResult CommandOper::Handle (const std::vector<std::string>& parameters, User *user)
{
char LoginName[MAXBUF];
char Password[MAXBUF];
char OperType[MAXBUF];
char TypeName[MAXBUF];
char HostName[MAXBUF];
char ClassName[MAXBUF];
char TheHost[MAXBUF];
char TheIP[MAXBUF];
char HashType[MAXBUF];
int j;
bool found = false;
bool type_invalid = false;
bool match_login = false;
bool match_pass = false;
bool match_hosts = false;
snprintf(TheHost,MAXBUF,"%s@%s",user->ident.c_str(),user->host);
snprintf(TheIP, MAXBUF,"%s@%s",user->ident.c_str(),user->GetIPString());
for (int i = 0; i < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "oper"); i++)
{
ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "name", i, LoginName, MAXBUF);
ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "password", i, Password, MAXBUF);
ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "type", i, OperType, MAXBUF);
ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "host", i, HostName, MAXBUF);
ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "oper", "hash", i, HashType, MAXBUF);
match_login = (LoginName == parameters[0]);
match_pass = !ServerInstance->PassCompare(user, Password,parameters[1].c_str(), HashType);
match_hosts = OneOfMatches(TheHost,TheIP,HostName);
if (match_login && match_pass && match_hosts)
{
type_invalid = true;
for (j =0; j < ServerInstance->Config->ConfValueEnum(ServerInstance->Config->config_data, "type"); j++)
{
ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type", "name", j, TypeName, MAXBUF);
ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type", "class", j, ClassName, MAXBUF);
if (!strcmp(TypeName,OperType))
{
/* found this oper's opertype */
if (!ServerInstance->IsNick(TypeName))
{
user->WriteNumeric(491, "%s :Invalid oper type (oper types must follow the same syntax as nicknames)",user->nick.c_str());
ServerInstance->SNO->WriteToSnoMask('o',"CONFIGURATION ERROR! Oper type '%s' contains invalid characters",OperType);
ServerInstance->Logs->Log("OPER",DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but oper type erroneous.",user->nick.c_str(),user->ident.c_str(),user->host);
return CMD_FAILURE;
}
ServerInstance->Config->ConfValue(ServerInstance->Config->config_data, "type","host", j, HostName, MAXBUF);
if (*HostName)
user->ChangeDisplayedHost(HostName);
if (*ClassName)
{
user->SetClass(ClassName);
user->CheckClass();
}
found = true;
type_invalid = false;
break;
}
}
}
if (match_login || found)
break;
}
if (found)
{
/* correct oper credentials */
ServerInstance->SNO->WriteToSnoMask('o',"%s (%s@%s) is now an IRC operator of type %s (using oper '%s')",user->nick.c_str(),user->ident.c_str(),user->host,irc::Spacify(OperType),parameters[0].c_str());
user->WriteNumeric(381, "%s :You are now %s %s",user->nick.c_str(), strchr("aeiouAEIOU", *OperType) ? "an" : "a", irc::Spacify(OperType));
if (!user->IsModeSet('o'))
user->Oper(OperType, LoginName);
}
else
{
char broadcast[MAXBUF];
if (!type_invalid)
{
std::string fields;
if (!match_login)
fields.append("login ");
else
{
if (!match_pass)
fields.append("password ");
if (!match_hosts)
fields.append("hosts");
}
// tell them they suck, and lag them up to help prevent brute-force attacks
user->WriteNumeric(491, "%s :Invalid oper credentials",user->nick.c_str());
user->IncreasePenalty(10);
snprintf(broadcast, MAXBUF, "WARNING! Failed oper attempt by %s!%s@%s using login '%s': The following fields do not match: %s",user->nick.c_str(),user->ident.c_str(),user->host, parameters[0].c_str(), fields.c_str());
ServerInstance->SNO->WriteToSnoMask('o',std::string(broadcast));
ServerInstance->PI->SendSNONotice("o", std::string("OPER: ") + broadcast);
ServerInstance->Logs->Log("OPER",DEFAULT,"OPER: Failed oper attempt by %s!%s@%s using login '%s': The following fields did not match: %s",user->nick.c_str(),user->ident.c_str(),user->host,parameters[0].c_str(),fields.c_str());
return CMD_FAILURE;
}
else
{
user->WriteNumeric(491, "%s :Your oper block does not have a valid opertype associated with it",user->nick.c_str());
snprintf(broadcast, MAXBUF, "CONFIGURATION ERROR! Oper block '%s': missing OperType %s",parameters[0].c_str(),OperType);
ServerInstance->SNO->WriteToSnoMask('o', std::string(broadcast));
ServerInstance->Logs->Log("OPER",DEFAULT,"OPER: Failed oper attempt by %s!%s@%s using login '%s': credentials valid, but oper type nonexistent.",user->nick.c_str(),user->ident.c_str(),user->host,parameters[0].c_str());
return CMD_FAILURE;
}
}
return CMD_SUCCESS;
}
|
