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
|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
/* $ModDesc: Allows for hashed oper passwords */
/* $ModDep: m_hash.h */
#include "inspircd.h"
#include "m_hash.h"
typedef std::map<irc::string, Module*> hashymodules;
/* Handle /MKPASSWD
*/
class CommandMkpasswd : public Command
{
hashymodules &hashers;
std::deque<std::string> &names;
public:
CommandMkpasswd(Module* Creator, hashymodules &h, std::deque<std::string> &n) : Command(Creator, "MKPASSWD", 2), hashers(h), names(n)
{
syntax = "<hashtype> <any-text>";
}
void MakeHash(User* user, const char* algo, const char* stuff)
{
/* Lets see if they gave us an algorithm which has been implemented */
hashymodules::iterator x = hashers.find(algo);
if (x != hashers.end())
{
/* Yup, reset it first (Always ALWAYS do this) */
HashResetRequest(creator, x->second).Send();
/* Now attempt to generate a hash */
user->WriteServ("NOTICE %s :%s hashed password for %s is %s",user->nick.c_str(), algo, stuff, HashSumRequest(creator, x->second, stuff).Send() );
}
else if (names.empty())
{
/* same idea as bug #569 */
user->WriteServ("NOTICE %s :No hash provider modules are loaded", user->nick.c_str());
}
else
{
/* I dont do flying, bob. */
user->WriteServ("NOTICE %s :Unknown hash type, valid hash types are: %s", user->nick.c_str(), irc::stringjoiner(", ", names, 0, names.size() - 1).GetJoined().c_str() );
}
}
CmdResult Handle (const std::vector<std::string>& parameters, User *user)
{
MakeHash(user, parameters[0].c_str(), parameters[1].c_str());
// this hashing could take some time, increasing server load.
// Slow down the user if they are trying to flood mkpasswd requests
user->IncreasePenalty(5);
return CMD_SUCCESS;
}
};
class ModuleOperHash : public Module
{
CommandMkpasswd cmd;
hashymodules hashers; /* List of modules which implement HashRequest */
std::deque<std::string> names; /* Module names which implement HashRequest */
bool diduseiface; /* If we've called UseInterface yet. */
public:
ModuleOperHash(InspIRCd* Me)
: Module(Me), cmd(this, hashers, names)
{
diduseiface = false;
/* Read the config file first */
// Conf = NULL;
OnRehash(NULL);
/* Find all modules which implement the interface 'HashRequest' */
modulelist* ml = ServerInstance->Modules->FindInterface("HashRequest");
/* Did we find any modules? */
if (ml)
{
/* Yes, enumerate them all to find out the hashing algorithm name */
for (modulelist::iterator m = ml->begin(); m != ml->end(); m++)
{
/* Make a request to it for its name, its implementing
* HashRequest so we know its safe to do this
*/
std::string name = HashNameRequest(this, *m).Send();
/* Build a map of them */
hashers[name.c_str()] = *m;
names.push_back(name);
}
/* UseInterface doesn't do anything if there are no providers, so we'll have to call it later if a module gets loaded later on. */
ServerInstance->Modules->UseInterface("HashRequest");
diduseiface = true;
}
ServerInstance->AddCommand(&cmd);
Implementation eventlist[] = { I_OnPassCompare, I_OnLoadModule };
ServerInstance->Modules->Attach(eventlist, this, 2);
}
virtual ~ModuleOperHash()
{
if (diduseiface) ServerInstance->Modules->DoneWithInterface("HashRequest");
}
virtual void OnLoadModule(Module* mod, const std::string& name)
{
if (ServerInstance->Modules->ModuleHasInterface(mod, "HashRequest"))
{
ServerInstance->Logs->Log("m_password-hash",DEBUG, "Post-load registering hasher: %s", name.c_str());
std::string sname = HashNameRequest(this, mod).Send();
hashers[sname.c_str()] = mod;
names.push_back(sname);
if (!diduseiface)
{
ServerInstance->Modules->UseInterface("HashRequest");
diduseiface = true;
}
}
}
virtual ModResult OnPassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &hashtype)
{
/* First, lets see what hash theyre using on this oper */
hashymodules::iterator x = hashers.find(hashtype.c_str());
/* Is this a valid hash name? (case insensitive) */
if (x != hashers.end())
{
/* Reset the hashing module */
HashResetRequest(this, x->second).Send();
/* Compare the hash in the config to the generated hash */
if (!strcasecmp(data.c_str(), HashSumRequest(this, x->second, input.c_str()).Send()))
return MOD_RES_ALLOW;
/* No match, and must be hashed, forbid */
else
return MOD_RES_DENY;
}
/* Not a hash, fall through to strcmp in core */
return MOD_RES_PASSTHRU;
}
virtual Version GetVersion()
{
return Version("Allows for hashed oper passwords",VF_VENDOR,API_VERSION);
}
};
MODULE_INIT(ModuleOperHash)
|
