3 /// Dialog class to handle modem functionality
7 Copyright (C) 2012, Net Direct Inc. (http://www.netdirect.ca/)
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
18 See the GNU General Public License in the COPYING file at the
19 root directory of this project for more details.
23 #include "windowids.h"
24 #include "exechelper.h"
25 #include "barrydesktop.h"
31 #include <sys/types.h>
36 #include <wx/filename.h>
37 #include <barry/barry.h>
41 // begin wxGlade: ::extracode
45 ModemDlg::ModemDlg(wxWindow
* parent
,
46 const std::vector
<std::string
> &peers
,
47 const std::string
&default_peer
,
48 const Barry::Pin
&pin
)
49 : wxDialog(parent
, Dialog_Modem
, _T("Modem Kickstart"))
51 bottom_buttons
= CreateButtonSizer(wxOK
| wxCANCEL
);
53 // begin wxGlade: ModemDlg::ModemDlg
54 sizer_5_staticbox
= new wxStaticBox(this, -1, wxT("Device"));
55 sizer_1_staticbox
= new wxStaticBox(this, -1, wxT("Providers"));
56 label_2
= new wxStaticText(this, wxID_ANY
, wxT("For device pin:"));
57 device_label
= new wxStaticText(this, wxID_ANY
, wxT("3009efe3"));
58 const wxString list_box_1_choices
[] = {
63 list_box_1
= new wxListBox(this, wxID_ANY
, wxDefaultPosition
, wxDefaultSize
, 3, list_box_1_choices
, wxLB_SINGLE
);
64 label_1
= new wxStaticText(this, wxID_ANY
, wxT("Password:"));
65 text_ctrl_1
= new wxTextCtrl(this, wxID_ANY
, wxEmptyString
, wxDefaultPosition
, wxDefaultSize
, wxTE_PASSWORD
);
71 // add all peers to the listbox
73 int default_index
= -1, index
= 0;
74 for( std::vector
<std::string
>::const_iterator i
= peers
.begin();
75 i
!= peers
.end(); ++i
, ++index
)
77 if( default_peer
== *i
)
78 default_index
= index
;
79 list_box_1
->Append(wxString(i
->c_str(), wxConvUTF8
));
82 if( default_index
>= 0 ) {
83 list_box_1
->SetSelection(default_index
);
86 list_box_1
->SetSelection(0);
90 device_label
->SetLabel(wxString(pin
.Str().c_str(), wxConvUTF8
));
93 void ModemDlg::set_properties()
95 // begin wxGlade: ModemDlg::set_properties
96 SetTitle(wxT("Modem Starter"));
97 device_label
->SetMinSize(wxSize(100, -1));
98 list_box_1
->SetMinSize(wxSize(-1, 150));
99 list_box_1
->SetToolTip(wxT("Available provider scripts on your system. Must pick one."));
100 list_box_1
->SetSelection(0);
101 label_1
->SetToolTip(wxT("Optional device password"));
102 text_ctrl_1
->SetMinSize(wxSize(150, -1));
103 text_ctrl_1
->SetToolTip(wxT("Optional device password"));
108 void ModemDlg::do_layout()
110 // begin wxGlade: ModemDlg::do_layout
111 wxBoxSizer
* sizer_2
= new wxBoxSizer(wxHORIZONTAL
);
112 wxBoxSizer
* sizer_3
= new wxBoxSizer(wxVERTICAL
);
113 wxStaticBoxSizer
* sizer_5
= new wxStaticBoxSizer(sizer_5_staticbox
, wxHORIZONTAL
);
114 wxStaticBoxSizer
* sizer_1
= new wxStaticBoxSizer(sizer_1_staticbox
, wxVERTICAL
);
115 wxBoxSizer
* sizer_4
= new wxBoxSizer(wxHORIZONTAL
);
116 sizer_4
->Add(label_2
, 0, wxRIGHT
|wxALIGN_CENTER_VERTICAL
, 2);
117 sizer_4
->Add(device_label
, 0, wxLEFT
|wxALIGN_CENTER_VERTICAL
, 10);
118 sizer_3
->Add(sizer_4
, 0, wxBOTTOM
|wxEXPAND
, 5);
119 sizer_1
->Add(list_box_1
, 0, wxEXPAND
, 0);
120 sizer_3
->Add(sizer_1
, 0, wxEXPAND
, 0);
121 sizer_5
->Add(label_1
, 0, wxRIGHT
|wxALIGN_CENTER_VERTICAL
, 2);
122 sizer_5
->Add(text_ctrl_1
, 0, 0, 0);
123 sizer_3
->Add(sizer_5
, 1, wxEXPAND
, 0);
124 sizer_2
->Add(sizer_3
, 0, wxALL
|wxEXPAND
, 7);
127 sizer_3
->Add(bottom_buttons
, 0, wxTOP
|wxEXPAND
, 5);
137 /// Searches for the given program name, in various directories, and
138 /// stores the following info:
139 /// Exists() - file exists, and if true, then:
140 /// GetPath() - returns full path of file, and:
141 /// IsExecutable() - returns true if file is a runnable program
142 /// IsSuid() - returns true if file is suid
143 /// GetGroup() - returns the group name of the file
145 /// For pppd, for example, this may return on Debian:
147 /// path? /usr/sbin/pppd
148 /// executable? true if user in group, false if not
149 /// suid? true, suid root on Debian
150 /// group? uses the 'dip' group on Debian
154 /// path? /usr/sbin/pppd
167 void Dump(std::ostream
&os
)
169 os
<< "Path: " << m_path
<< "\n";
170 os
<< "Group: " << m_group
<< "\n";
171 os
<< "Exec: " << (m_executable
? "true" : "false") << "\n";
172 os
<< "Suid: " << (m_suid
? "true" : "false") << "\n";
175 const std::string
& GetPath() const { return m_path
; }
176 const std::string
& GetGroup() const { return m_group
; }
177 bool Exists() const { return m_path
.size() > 0; }
178 bool IsExecutable() const { return m_executable
; }
179 bool IsSuid() const { return m_suid
; }
181 bool CheckPath(const std::string
&path
)
183 if( access(path
.c_str(), F_OK
) == 0 ) {
190 void CheckAll(const char *prog
, const std::string
&path
)
192 istringstream
iss(path
);
195 while( getline(iss
, p
, ':') ) {
196 string f
= p
+ "/" + prog
;
202 ProgramDetect(const char *prog
, const std::string
&path
)
203 : m_executable(false)
206 // find the program first
207 CheckAll(prog
, path
);
214 if( access(m_path
.c_str(), X_OK
) == 0 ) {
220 if( stat(m_path
.c_str(), &s
) == 0 ) {
221 if( s
.st_mode
& S_ISUID
) {
226 struct group
*g
= getgrgid(s
.st_gid
);
228 m_group
= g
->gr_name
;
234 std::string
ModemDlg::GetPeerName() const
236 return string(list_box_1
->GetStringSelection().utf8_str());
239 std::string
ModemDlg::GetPassword() const
241 return string(text_ctrl_1
->GetValue().utf8_str());
244 void ModemDlg::DoModem(wxWindow
*parent
, const Barry::Pin
&pin
)
247 // Search for dependency programs: xterm, pppd, gksu, etc.
250 // test whether xterm is in the path
251 ProgramDetect
xterm("xterm", getenv("PATH"));
252 if( !xterm
.Exists() || !xterm
.IsExecutable() ) {
253 wxMessageBox(_T("Cannot locate the xterm program. This is used to display modem connection output. Please install it and try again."), _T("Xterm Not Found"), wxOK
| wxICON_ERROR
, parent
);
257 // test whether we can run pppd, probably need to use full
258 // /usr/sbin/pppd path to reach it... check for return code
260 ProgramDetect
pppd("pppd", "/usr/sbin:/usr/bin");
261 if( !pppd
.Exists() ) {
262 wxMessageBox(_T("Cannot find pppd. Please install it for modem use."), _T("pppd Not Found"), wxOK
| wxICON_ERROR
, parent
);
268 // Check if we need root access to run pppd
272 if( pppd
.IsExecutable() && pppd
.IsSuid() ) {
275 else if( !pppd
.IsExecutable() && pppd
.IsSuid() && pppd
.GetGroup() != "root" ) {
276 wxString
gname(pppd
.GetGroup().c_str(), wxConvUTF8
);
277 wxString msg
= wxString::Format(_T("Your system's PPP has the suid bit set, with a group of '%s'. You should add your account to the '%s' group, to avoid the need to enter the root password every time you use the modem.\n\nContinue anyway?"), gname
.c_str(), gname
.c_str());
278 int choice
= wxMessageBox(msg
, _T("System Group"), wxYES_NO
,
280 if( choice
!= wxYES
)
283 need_sudo
= BARRYDESKTOP_SYSTEM_GUI_SU
+ string(" ");
285 else if( pppd
.IsExecutable() && !pppd
.IsSuid() ) {
286 need_sudo
= BARRYDESKTOP_SYSTEM_GUI_SU
+ string(" ");
290 // Check if we can run pppd, in the non-root case
292 if( need_sudo
.size() == 0 ) {
294 wxString
cmd((pppd
.GetPath() + " permission_test").c_str(), wxConvUTF8
);
295 if( !eh
.Run(0, "", cmd
) ) {
296 wxMessageBox(_T("Internal fork error. Should never happen."), _T("Cannot Run pppd"), wxOK
| wxICON_ERROR
, parent
);
301 if( !(eh
.GetChildExitCode() == 0 || eh
.GetChildExitCode() == 2) ) {
302 wxString msg
= wxString::Format(_T("Unable to run pppd correctly. Unexpected error code: %d, %s"), eh
.GetChildExitCode(), cmd
.c_str());
303 wxMessageBox(msg
, _T("Error Code"), wxOK
| wxICON_ERROR
, parent
);
309 // Load all peer files.
311 // do a search in /etc/ppp/peers for all barry-* files and
314 std::vector
<std::string
> peers
;
315 wxDir
dir(wxString("/etc/ppp/peers", wxConvUTF8
));
316 if( !dir
.IsOpened() ) {
317 wxMessageBox(_T("Unable to access files in /etc/ppp/peers. Do you have the correct permissions?"), _T("Cannot Open Peers"), wxOK
| wxICON_ERROR
, parent
);
321 bool cont
= dir
.GetFirst(&filename
, _T("barry-*"), wxDIR_FILES
);
323 peers
.push_back( string(filename
.utf8_str()) );
324 cont
= dir
.GetNext(&filename
);
327 // anything available?
328 if( !peers
.size() ) {
329 wxMessageBox(_T("No providers found. Make sure Barry was properly installed, with peer files in /etc/ppp/peers."), _T("No Providers"), wxOK
| wxICON_ERROR
, parent
);
334 sort(peers
.begin(), peers
.end());
338 // Double check that we can read the peer files
341 // do an access or file open test on the first barry-* file
342 // to make sure that we have access to peers/
343 string testfile
= "/etc/ppp/peers/" + peers
[0];
344 if( access(testfile
.c_str(), R_OK
) != 0 ) {
345 wxString msg
= wxString::Format(_T("Cannot read provider files under /etc/ppp/peers. Please check your file permissions. (Access failed for %s)"), wxString(testfile
.c_str(), wxConvUTF8
).c_str());
346 wxMessageBox(msg
, _T("Permissions Error"), wxOK
| wxICON_ERROR
, parent
);
352 // Fetch default peer choice
354 Barry::GlobalConfigFile
&config
= wxGetApp().GetGlobalConfig();
355 string key
= pin
.Str() + "-DefaultPeer";
356 string default_peer
= config
.GetKey(key
);
362 ModemDlg
dlg(parent
, peers
, default_peer
, pin
);
363 if( dlg
.ShowModal() == wxID_OK
) {
364 string peer
= dlg
.GetPeerName();
365 string peerfile
= "/etc/ppp/peers/" + peer
;
366 if( !peer
.size() || access(peerfile
.c_str(), R_OK
) != 0 ) {
367 wxString msg
= wxString::Format(_T("Unable to open peer file: %s"), wxString(peerfile
.c_str(), wxConvUTF8
).c_str());
368 wxMessageBox(msg
, _T("Invalid Peer"), wxOK
| wxICON_ERROR
, parent
);
372 // save peer selection as default for this device
373 config
.SetKey(key
, peer
);
375 // create shell script which calls pppd
376 TempDir
tempdir("BarryDesktopModem");
377 string tmp_path
= tempdir
.GetNewFilename();
379 ofstream
otmp(tmp_path
.c_str());
380 otmp
<< "#!/bin/sh" << endl
;
381 otmp
<< "echo Starting pppd for device PIN "
382 << pin
.Str() << "... " << endl
;
384 ostringstream cmdoss
;
385 cmdoss
<< need_sudo
<< pppd
.GetPath() << " call " << peer
;
387 // show command with echo too
388 otmp
<< "echo" << endl
;
389 otmp
<< "echo '" << cmdoss
.str() << "'" << endl
;
390 otmp
<< cmdoss
.str() << endl
;
392 otmp
<< "echo Press enter to close window..." << endl
;
393 otmp
<< "read" << endl
;
396 chmod(tmp_path
.c_str(), S_IRUSR
| S_IRGRP
| S_IROTH
|
397 S_IXUSR
| S_IXGRP
| S_IXOTH
);
399 // create command line using xterm as display
400 wxString
xterm_cmd((xterm
.GetPath() + " " + tmp_path
).c_str(),
403 // setup argument fifo
404 Barry::FifoArgs args
;
405 args
.m_password
= dlg
.GetPassword();
407 Barry::FifoServer
fifo(args
);
409 // run! and go back to main screen
411 run
.Run(parent
, "modem", xterm_cmd
);