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
|
//=============================================================================
//
// File : libkvirot13.cpp
// Creation date : Fri Jan 30 2002 09:25:15 GMT by Aeriana
//
// This file is part of the KVIrc irc client distribution
// Copyright (C) 2009 Aeriana (aeriana at quasarnet dot org)
// Copyright (C) 2002-2010 Szymon Stefanek (pragma at kvirc dot net)
//
// This program is FREE software. You can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your opinion) any later version.
//
// This program is distributed in the HOPE that it will be USEFUL,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, write to the Free Software Foundation,
// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================
#include "libkvirot13.h"
#include "KviModule.h"
#include "kvi_debug.h"
#include "KviLocale.h"
/*
@doc: rot13
@type:
module
@short:
The ROT13 text transformation engine
@title:
The ROT13 module
@body:
Performs the "rotate by 13 places" substitution.
*/
#ifdef COMPILE_CRYPT_SUPPORT
#include "KviMemory.h"
#include "KviMemory.h"
#include "KviPointerList.h"
static KviPointerList<KviCryptEngine> * g_pEngineList = 0;
KviRot13Engine::KviRot13Engine()
: KviCryptEngine()
{
g_pEngineList->append(this);
}
KviRot13Engine::~KviRot13Engine()
{
g_pEngineList->removeRef(this);
}
bool KviRot13Engine::init(const char *,int,const char *,int)
{
return true;
}
KviCryptEngine::EncryptResult KviRot13Engine::encrypt(const char * plainText,KviCString &outBuffer)
{
outBuffer = plainText;
unsigned char * aux = (unsigned char *)outBuffer.ptr();
while(*aux)
{
if(isalpha(*aux))
{
char l = toupper(*aux);
if (l >= 'N' && l <= 'Z')
*aux = *aux - 13;
else if (l >= 'A' && l <= 'M')
*aux = *aux + 13;
}
aux++;
}
return KviCryptEngine::Encoded;
}
KviCryptEngine::DecryptResult KviRot13Engine::decrypt(const char * inBuffer,KviCString &plainText)
{
plainText = inBuffer;
return KviCryptEngine::DecryptOkWasPlainText;
}
static KviCryptEngine * allocRot13Engine()
{
return new KviRot13Engine();
}
static void deallocRot13Engine(KviCryptEngine * e)
{
delete e;
}
#endif
// =======================================
// module routines
// =======================================
static bool rot13_module_init(KviModule * m)
{
#ifdef COMPILE_CRYPT_SUPPORT
g_pEngineList = new KviPointerList<KviCryptEngine>;
g_pEngineList->setAutoDelete(false);
KviCryptEngineDescription * d = new KviCryptEngineDescription;
d->m_szName = "ROT13";
d->m_szAuthor = "Aeriana";
d->m_szDescription = __tr2qs("The simple Caesar-cypher encryption that replaces each letter with the one 13 places forward or back along the alphabet; it is used to enclose the text in a sealed wrapper that the reader must choose to open - e.g. for posting things that might offend some readers, or spoilers.");
d->m_iFlags = KviCryptEngine::CanEncrypt;
d->m_allocFunc = allocRot13Engine;
d->m_deallocFunc = deallocRot13Engine;
m->registerCryptEngine(d);
return true;
#else
return false;
#endif
}
static bool rot13_module_cleanup(KviModule *m)
{
#ifdef COMPILE_CRYPT_SUPPORT
while(g_pEngineList->first())
delete g_pEngineList->first();
delete g_pEngineList;
g_pEngineList = 0;
m->unregisterCryptEngines();
return true;
#else
return false;
#endif
}
static bool rot13_module_can_unload(KviModule *)
{
#ifdef COMPILE_CRYPT_SUPPORT
return g_pEngineList->isEmpty();
#else
return true;
#endif
}
// =======================================
// plugin definition structure
// =======================================
KVIRC_MODULE(
"ROT13 crypt engine",
"4.0.0",
"Aeriana <aeriana at quasarnet dot org>",
"Exports the ROT13 text transformation engine",
rot13_module_init,
rot13_module_can_unload,
0,
rot13_module_cleanup,
0
)
#ifdef COMPILE_CRYPT_SUPPORT
#ifndef COMPILE_USE_STANDALONE_MOC_SOURCES
#include "libkvirot13.moc"
#endif //!COMPILE_USE_STANDALONE_MOC_SOURCES
#endif
|
