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
|
/*
smpppdsearcher.h
Copyright (c) 2004-2006 by Heiko Schaefer <heiko@rangun.de>
Kopete (c) 2002-2006 by the Kopete developers <kopete-devel@kde.org>
*************************************************************************
* *
* 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; version 2 of the License. *
* *
*************************************************************************
*/
#include <qregexp.h>
#include <qfile.h>
#include <kprocess.h>
#include <kdebug.h>
#include "smpppdclient.h"
#include "smpppdsearcher.h"
SMPPPDSearcher::SMPPPDSearcher()
: m_cancelSearchNow(FALSE),
m_procIfconfig(NULL),
m_procNetstat(NULL) {}
SMPPPDSearcher::~SMPPPDSearcher() {
delete m_procIfconfig;
delete m_procNetstat;
}
/*!
\fn SMPPPDSearcher::searchNetwork() const
*/
void SMPPPDSearcher::searchNetwork() {
kdDebug(14312) << k_funcinfo << endl;
// the first point to search is localhost
if(!scan("127.0.0.1", "255.0.0.0")) {
m_procNetstat = new KProcess;
m_procNetstat->setEnvironment("LANG", "C"); // we want to force english output
*m_procNetstat << "/bin/netstat" << "-rn";
connect(m_procNetstat, SIGNAL(receivedStdout(KProcess *,char *,int)), this, SLOT(slotStdoutReceivedNetstat(KProcess *,char *,int)));
if(!m_procNetstat->start(KProcess::Block, KProcess::Stdout)) {
kdDebug(14312) << k_funcinfo << "Couldn't execute /sbin/netstat -rn" << endl << "Perhaps the package net-tools isn't installed." << endl;
emit smpppdNotFound();
}
delete m_procNetstat;
m_procNetstat = NULL;
}
}
/*!
\fn SMPPPDSearcher::slotStdoutReceived(KProcess * proc, char * buf, int len)
*/
void SMPPPDSearcher::slotStdoutReceivedIfconfig(KProcess * /* proc */, char * buf, int len) {
kdDebug(14312) << k_funcinfo << endl;
QString myBuf = QString::fromLatin1(buf,len);
QRegExp rex("^[ ]{10}.*inet addr:([0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}).*Mask:([0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3})");
// tokenize the string into lines
QStringList toks = QStringList::split("\n", myBuf);
for(QStringList::size_type i = 0; i < toks.count(); i++) {
if(rex.exactMatch(toks[i])) {
if(scan(rex.cap(1), rex.cap(2))) {
return;
}
}
}
emit smpppdNotFound();
}
void SMPPPDSearcher::slotStdoutReceivedNetstat(KProcess * /* proc */, char * buf, int len) {
kdDebug(14312) << k_funcinfo << endl;
QRegExp rexGW(".*\\n0.0.0.0[ ]*([0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}).*");
QString myBuf = QString::fromLatin1(buf,len);
if(!(rexGW.exactMatch(myBuf) && scan(rexGW.cap(1), "255.255.255.255"))) {
// if netstat -r found no gateway we search the network
m_procIfconfig = new KProcess;
m_procIfconfig->setEnvironment("LANG", "C"); // we want to force english output
*m_procIfconfig << "/sbin/ifconfig";
connect(m_procIfconfig, SIGNAL(receivedStdout(KProcess *,char *,int)), this, SLOT(slotStdoutReceivedIfconfig(KProcess *,char *,int)));
if(!m_procIfconfig->start(KProcess::Block, KProcess::Stdout)) {
kdDebug(14312) << k_funcinfo << "Couldn't execute /sbin/ifconfig" << endl << "Perhaps the package net-tools isn't installed." << endl;
emit smpppdNotFound();
}
delete m_procIfconfig;
m_procIfconfig = NULL;
}
}
/*!
\fn SMPPPDSearcher::scan() const
*/
bool SMPPPDSearcher::scan(const QString& ip, const QString& mask) {
kdDebug(14312) << k_funcinfo << "Scanning " << ip << "/" << mask << "..." << endl;
SMPPPD::Client client;
if(ip == "127.0.0.1") { // if localhost, we only scan this one host
if(client.connect(ip, 3185)) {
client.disconnect();
emit smpppdFound(ip);
return true;
}
return false;
}
uint min_range = 0;
uint max_range = 255;
// calculate ip range (only last mask entry)
QRegExp lastRex("([0-9]{1,3})\\.([0-9]{1,3})\\.([0-9]{1,3})\\.([0-9]{1,3})");
if(lastRex.exactMatch(ip)) {
uint lastWordIP = lastRex.cap(4).toUInt();
QStringList ipToks;
for(int i = 1; i < 5; i++) {
ipToks.push_back(lastRex.cap(i));
}
if(lastRex.exactMatch(mask)) {
uint lastWordMask = lastRex.cap(4).toUInt();
if(lastWordMask == 0) {
kdDebug(14312) << k_funcinfo << "IP-Range: " << ipToks[0] << "." << ipToks[1] << "." << ipToks[2] << ".0 - " << ipToks[0] << "." << ipToks[1] << "." << ipToks[2] << ".255" << endl;
max_range = 255;
} else if(lastWordMask == 255) {
min_range = max_range = lastWordIP;
} else {
kdDebug(14312) << k_funcinfo << "IP-Range: " << ipToks[0] << "." << ipToks[1] << "." << ipToks[2] << ".0 - " << ipToks[0] << "." << ipToks[1] << "." << ipToks[2] << "." << lastWordMask << endl;
max_range = lastWordMask;
}
}
uint range = max_range - min_range;
m_cancelSearchNow = FALSE;
if(range > 1) {
emit scanStarted(max_range);
}
for(uint i = min_range; i <= max_range; i++) {
if(m_cancelSearchNow) {
if(range > 1) {
emit scanFinished();
}
break;
}
if(range > 1) {
emit scanProgress(i);
}
if(client.connect(QString(ipToks[0] + "." + ipToks[1] + "." + ipToks[2] + "." + QString::number(i)), 3185)) {
client.disconnect();
emit smpppdFound(ip);
if(range > 1) {
emit scanFinished();
}
return true;
}
#ifndef NDEBUG
else {
kdDebug(14312) << k_funcinfo << "No smpppd found at " << QString(ipToks[0] + "." + ipToks[1] + "." + ipToks[2] + "." + QString::number(i)) << endl;
}
#endif
}
if(range > 1) {
emit scanFinished();
}
}
return false;
}
#include "smpppdsearcher.moc"
|
