1 | /*************************************************************************** |
2 | * Copyright (C) 2005-2014 by the Quassel Project * |
3 | * devel@quassel-irc.org * |
4 | * * |
5 | * This program is free software; you can redistribute it and/or modify * |
6 | * it under the terms of the GNU General Public License as published by * |
7 | * the Free Software Foundation; either version 2 of the License, or * |
8 | * (at your option) version 3. * |
9 | * * |
10 | * This program is distributed in the hope that it will be useful, * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
13 | * GNU General Public License for more details. * |
14 | * * |
15 | * You should have received a copy of the GNU General Public License * |
16 | * along with this program; if not, write to the * |
17 | * Free Software Foundation, Inc., * |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
19 | ***************************************************************************/ |
20 | |
21 | #include "oidentdconfiggenerator.h" |
22 | |
23 | OidentdConfigGenerator::OidentdConfigGenerator(QObject *parent) : |
24 | QObject(parent), |
25 | _initialized(false) |
26 | { |
27 | if (!_initialized) |
28 | init(); |
29 | } |
30 | |
31 | |
32 | OidentdConfigGenerator::~OidentdConfigGenerator() |
33 | { |
34 | _quasselConfig.clear(); |
35 | writeConfig(); |
36 | _configFile->deleteLater(); |
37 | } |
38 | |
39 | |
40 | bool OidentdConfigGenerator::init() |
41 | { |
42 | _configDir = QDir::homePath(); |
43 | _configFileName = ".oidentd.conf" ; |
44 | |
45 | if (Quassel::isOptionSet("oidentd-conffile" )) |
46 | _configPath = Quassel::optionValue("oidentd-conffile" ); |
47 | else |
48 | _configPath = _configDir.absoluteFilePath(_configFileName); |
49 | |
50 | _configTag = " stanza created by Quassel" ; |
51 | |
52 | _configFile = new QFile(_configPath); |
53 | |
54 | // Rx has to match Template in order for cleanup to work. |
55 | // Template should be enhanced with the "from" parameter as soon as Quassel gains |
56 | // the ability to bind to an IP on client sockets. |
57 | |
58 | _quasselStanzaTemplate = QString("lport %1 { reply \"%2\" } #%3\n" ); |
59 | _quasselStanzaRx = QRegExp(QString("^lport .* \\{ .* \\} #%1\\r?\\n" ).arg(_configTag)); |
60 | |
61 | // initially remove all Quassel stanzas that might be present |
62 | if (parseConfig(false) && writeConfig()) |
63 | _initialized = true; |
64 | |
65 | return _initialized; |
66 | } |
67 | |
68 | |
69 | bool OidentdConfigGenerator::addSocket(const CoreIdentity *identity, const QHostAddress &localAddress, quint16 localPort, const QHostAddress &peerAddress, quint16 peerPort) |
70 | { |
71 | Q_UNUSED(localAddress) Q_UNUSED(peerAddress) Q_UNUSED(peerPort) |
72 | QString ident = identity->ident(); |
73 | |
74 | _quasselConfig.append(_quasselStanzaTemplate.arg(localPort).arg(ident).arg(_configTag).toLatin1()); |
75 | |
76 | bool ret = writeConfig(); |
77 | |
78 | return ret; |
79 | } |
80 | |
81 | |
82 | //! not yet implemented |
83 | bool OidentdConfigGenerator::removeSocket(const CoreIdentity *identity, const QHostAddress &localAddress, quint16 localPort, const QHostAddress &peerAddress, quint16 peerPort) |
84 | { |
85 | Q_UNUSED(identity) Q_UNUSED(localAddress) Q_UNUSED(localPort) Q_UNUSED(peerAddress) Q_UNUSED(peerPort) |
86 | return true; |
87 | } |
88 | |
89 | |
90 | bool OidentdConfigGenerator::parseConfig(bool readQuasselStanzas) |
91 | { |
92 | if (!_configFile->exists()) |
93 | return true; |
94 | |
95 | if (!_configFile->isOpen() && !_configFile->open(QIODevice::ReadOnly)) |
96 | return false; |
97 | _mutex.lock(); |
98 | |
99 | _parsedConfig.clear(); |
100 | _configFile->seek(0); |
101 | while (!_configFile->atEnd()) { |
102 | QByteArray line = _configFile->readLine(); |
103 | |
104 | if (!lineByUs(line)) |
105 | _parsedConfig.append(line); |
106 | else if (readQuasselStanzas) |
107 | _quasselConfig.append(line); |
108 | } |
109 | |
110 | _configFile->close(); |
111 | _mutex.unlock(); |
112 | return true; |
113 | } |
114 | |
115 | |
116 | bool OidentdConfigGenerator::writeConfig() |
117 | { |
118 | #ifdef HAVE_UMASK |
119 | mode_t prev_umask = umask(S_IXUSR | S_IWGRP | S_IXGRP | S_IWOTH | S_IXOTH); // == 0133, rw-r--r-- |
120 | #endif |
121 | bool not_open = (!_configFile->isOpen() && !_configFile->open(QIODevice::ReadWrite | QIODevice::Text)); |
122 | #ifdef HAVE_UMASK |
123 | umask(prev_umask); |
124 | #endif |
125 | |
126 | if (not_open) |
127 | return false; |
128 | |
129 | _mutex.lock(); |
130 | |
131 | _configFile->seek(0); |
132 | _configFile->resize(0); |
133 | _configFile->write(_parsedConfig); |
134 | _configFile->write(_quasselConfig); |
135 | |
136 | _configFile->close(); |
137 | _mutex.unlock(); |
138 | return true; |
139 | } |
140 | |
141 | |
142 | bool OidentdConfigGenerator::lineByUs(const QByteArray &line) |
143 | { |
144 | return _quasselStanzaRx.exactMatch(line); |
145 | } |
146 | |