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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/*
* Copyright (c) 2003 Christian Loose <christian.loose@hamburg.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#include "sshagent.h"
#include <qregexp.h>
#include <kapplication.h>
#include <kdebug.h>
#include <kdeversion.h>
#include <kprocess.h>
#include <stdlib.h>
// initialize static member variables
bool SshAgent::m_isRunning = false;
bool SshAgent::m_isOurAgent = false;
QString SshAgent::m_authSock = QString::null;
QString SshAgent::m_pid = QString::null;
SshAgent::SshAgent(QObject* parent, const char* name)
: QObject(parent, name)
{
}
SshAgent::~SshAgent()
{
}
bool SshAgent::querySshAgent()
{
kdDebug(8051) << "SshAgent::querySshAgent(): ENTER" << endl;
if( m_isRunning )
return true;
// Did the user already start a ssh-agent process?
char* pid;
if( (pid = ::getenv("SSH_AGENT_PID")) != 0 )
{
kdDebug(8051) << "SshAgent::querySshAgent(): ssh-agent already exists"
<< endl;
m_pid = QString::fromLocal8Bit(pid);
char* sock = ::getenv("SSH_AUTH_SOCK");
if( sock )
m_authSock = QString::fromLocal8Bit(sock);
m_isOurAgent = false;
m_isRunning = true;
}
// We have to start a new ssh-agent process
else
{
kdDebug(8051) << "SshAgent::querySshAgent(): start ssh-agent" << endl;
m_isOurAgent = true;
m_isRunning = startSshAgent();
}
return m_isRunning;
}
bool SshAgent::addSshIdentities()
{
kdDebug(8051) << "SshAgent::addSshIdentities(): ENTER" << endl;
if( !m_isRunning || !m_isOurAgent )
return false;
// add identities to ssh-agent
KProcess proc;
proc.setEnvironment("SSH_AGENT_PID", m_pid);
proc.setEnvironment("SSH_AUTH_SOCK", m_authSock);
proc.setEnvironment("SSH_ASKPASS", "cvsaskpass");
proc << "ssh-add";
connect(&proc, SIGNAL(receivedStdout(KProcess*, char*, int)),
SLOT(slotReceivedStdout(KProcess*, char*, int)));
connect(&proc, SIGNAL(receivedStderr(KProcess*, char*, int)),
SLOT(slotReceivedStderr(KProcess*, char*, int)));
proc.start(KProcess::DontCare, KProcess::AllOutput);
// wait for process to finish
// TODO CL use timeout?
proc.wait();
kdDebug(8051) << "SshAgent::slotProcessExited(): added identities" << endl;
return (proc.normalExit() && proc.exitStatus() == 0);
}
void SshAgent::killSshAgent()
{
kdDebug(8051) << "SshAgent::killSshAgent(): ENTER" << endl;
if( !m_isRunning || !m_isOurAgent )
return;
KProcess proc;
proc << "kill" << m_pid;
proc.start(KProcess::DontCare, KProcess::NoCommunication);
kdDebug(8051) << "SshAgent::killSshAgent(): killed pid = " << m_pid << endl;
}
void SshAgent::slotProcessExited(KProcess*)
{
kdDebug(8051) << "SshAgent::slotProcessExited(): ENTER" << endl;
QRegExp cshPidRx("setenv SSH_AGENT_PID (\\d*);");
QRegExp cshSockRx("setenv SSH_AUTH_SOCK (.*);");
QRegExp bashPidRx("SSH_AGENT_PID=(\\d*).*");
QRegExp bashSockRx("SSH_AUTH_SOCK=(.*\\.\\d*);.*");
QStringList::Iterator it = m_outputLines.begin();
QStringList::Iterator end = m_outputLines.end();
for( ; it != end; ++it )
{
if( m_pid.isEmpty() )
{
int pos = cshPidRx.search(*it);
if( pos > -1 )
{
m_pid = cshPidRx.cap(1);
continue;
}
pos = bashPidRx.search(*it);
if( pos > -1 )
{
m_pid = bashPidRx.cap(1);
continue;
}
}
if( m_authSock.isEmpty() )
{
int pos = cshSockRx.search(*it);
if( pos > -1 )
{
m_authSock = cshSockRx.cap(1);
continue;
}
pos = bashSockRx.search(*it);
if( pos > -1 )
{
m_authSock = bashSockRx.cap(1);
continue;
}
}
}
kdDebug(8051) << "SshAgent::slotProcessExited(): pid = " << m_pid
<< ", socket = " << m_authSock << endl;
}
void SshAgent::slotReceivedStdout(KProcess* proc, char* buffer, int buflen)
{
Q_UNUSED(proc);
QString output = QString::fromLocal8Bit(buffer, buflen);
m_outputLines += QStringList::split("\n", output);
kdDebug(8051) << "SshAgent::slotReceivedStdout(): output = " << output << endl;
}
void SshAgent::slotReceivedStderr(KProcess* proc, char* buffer, int buflen)
{
Q_UNUSED(proc);
QString output = QString::fromLocal8Bit(buffer, buflen);
m_outputLines += QStringList::split("\n", output);
kdDebug(8051) << "SshAgent::slotReceivedStderr(): output = " << output << endl;
}
bool SshAgent::startSshAgent()
{
kdDebug(8051) << "SshAgent::startSshAgent(): ENTER" << endl;
KProcess proc;
proc << "ssh-agent";
connect(&proc, SIGNAL(processExited(KProcess*)),
SLOT(slotProcessExited(KProcess*)));
connect(&proc, SIGNAL(receivedStdout(KProcess*, char*, int)),
SLOT(slotReceivedStdout(KProcess*, char*, int)));
connect(&proc, SIGNAL(receivedStderr(KProcess*, char*, int)),
SLOT(slotReceivedStderr(KProcess*, char*, int)) );
proc.start(KProcess::NotifyOnExit, KProcess::All);
// wait for process to finish
// TODO CL use timeout?
proc.wait();
return (proc.normalExit() && proc.exitStatus() == 0);
}
#include "sshagent.moc"
|
