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authorharlekin <harlekin>2002-10-25 18:57:47 (UTC)
committer harlekin <harlekin>2002-10-25 18:57:47 (UTC)
commit1d3135677f1f49b9cc87ebf01f1c4eaab3c450f4 (patch) (unidiff)
tree63599d704e4f522393a613692369ff9c4a554eef
parent4151cc12a6c37cbec4bb6883204703eec2fb8648 (diff)
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is there is a real bash installed, take that instead of sh
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/apps/opie-console/MyPty.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/noncore/apps/opie-console/MyPty.cpp b/noncore/apps/opie-console/MyPty.cpp
index 984e347..2570826 100644
--- a/noncore/apps/opie-console/MyPty.cpp
+++ b/noncore/apps/opie-console/MyPty.cpp
@@ -1,240 +1,246 @@
1/* -------------------------------------------------------------------------- */ 1/* -------------------------------------------------------------------------- */
2/* */ 2/* */
3/* [MyPty.C] Pseudo Terminal Device */ 3/* [MyPty.C] Pseudo Terminal Device */
4/* */ 4/* */
5/* -------------------------------------------------------------------------- */ 5/* -------------------------------------------------------------------------- */
6/* */ 6/* */
7/* Copyright (c) 1997,1998 by Lars Doelle <lars.doelle@on-line.de> */ 7/* Copyright (c) 1997,1998 by Lars Doelle <lars.doelle@on-line.de> */
8/* */ 8/* */
9/* This file is part of Konsole - an X terminal for KDE */ 9/* This file is part of Konsole - an X terminal for KDE */
10/* -------------------------------------------------------------------------- */ 10/* -------------------------------------------------------------------------- */
11 /* */ 11 /* */
12/* Ported Konsole to Qt/Embedded */ 12/* Ported Konsole to Qt/Embedded */
13 /* */ 13 /* */
14/* Copyright (C) 2000 by John Ryland <jryland@trolltech.com> */ 14/* Copyright (C) 2000 by John Ryland <jryland@trolltech.com> */
15 /* */ 15 /* */
16/* -------------------------------------------------------------------------- */ 16/* -------------------------------------------------------------------------- */
17 17
18/* If you're compiling konsole on non-Linux platforms and find 18/* If you're compiling konsole on non-Linux platforms and find
19 problems that you can track down to this file, please have 19 problems that you can track down to this file, please have
20 a look into ../README.ports, too. 20 a look into ../README.ports, too.
21*/ 21*/
22 22
23/*! \file 23/*! \file
24*/ 24*/
25 25
26/*! \class TEPty 26/*! \class TEPty
27 27
28 \brief Ptys provide a pseudo terminal connection to a program. 28 \brief Ptys provide a pseudo terminal connection to a program.
29 29
30 Although closely related to pipes, these pseudo terminal connections have 30 Although closely related to pipes, these pseudo terminal connections have
31 some ability, that makes it nessesary to uses them. Most importent, they 31 some ability, that makes it nessesary to uses them. Most importent, they
32 know about changing screen sizes and UNIX job control. 32 know about changing screen sizes and UNIX job control.
33 33
34 Within the terminal emulation framework, this class represents the 34 Within the terminal emulation framework, this class represents the
35 host side of the terminal together with the connecting serial line. 35 host side of the terminal together with the connecting serial line.
36 36
37 One can create many instances of this class within a program. 37 One can create many instances of this class within a program.
38 As a side effect of using this class, a signal(2) handler is 38 As a side effect of using this class, a signal(2) handler is
39 installed on SIGCHLD. 39 installed on SIGCHLD.
40 40
41 \par FIXME 41 \par FIXME
42 42
43 [NOTE: much of the technical stuff below will be replaced by forkpty.] 43 [NOTE: much of the technical stuff below will be replaced by forkpty.]
44 44
45 publish the SIGCHLD signal if not related to an instance. 45 publish the SIGCHLD signal if not related to an instance.
46 46
47 clearify TEPty::done vs. TEPty::~TEPty semantics. 47 clearify TEPty::done vs. TEPty::~TEPty semantics.
48 check if pty is restartable via run after done. 48 check if pty is restartable via run after done.
49 49
50 \par Pseudo terminals 50 \par Pseudo terminals
51 51
52 Pseudo terminals are a unique feature of UNIX, and always come in form of 52 Pseudo terminals are a unique feature of UNIX, and always come in form of
53 pairs of devices (/dev/ptyXX and /dev/ttyXX), which are connected to each 53 pairs of devices (/dev/ptyXX and /dev/ttyXX), which are connected to each
54 other by the operating system. One may think of them as two serial devices 54 other by the operating system. One may think of them as two serial devices
55 linked by a null-modem cable. Being based on devices the number of 55 linked by a null-modem cable. Being based on devices the number of
56 simultanous instances of this class is (globally) limited by the number of 56 simultanous instances of this class is (globally) limited by the number of
57 those device pairs, which is 256. 57 those device pairs, which is 256.
58 58
59 Another technic are UNIX 98 PTY's. These are supported also, and prefered 59 Another technic are UNIX 98 PTY's. These are supported also, and prefered
60 over the (obsolete) predecessor. 60 over the (obsolete) predecessor.
61 61
62 There's a sinister ioctl(2), signal(2) and job control stuff 62 There's a sinister ioctl(2), signal(2) and job control stuff
63 nessesary to make everything work as it should. 63 nessesary to make everything work as it should.
64*/ 64*/
65 65
66 66
67#include <qapplication.h> 67#include <qapplication.h>
68#include <qsocketnotifier.h> 68#include <qsocketnotifier.h>
69#include <qstring.h> 69#include <qstring.h>
70#include <qfile.h>
70 71
71#include <stdlib.h> 72#include <stdlib.h>
72#include <stdio.h> 73#include <stdio.h>
73#include <signal.h> 74#include <signal.h>
74#include <fcntl.h> 75#include <fcntl.h>
75#include <unistd.h> 76#include <unistd.h>
76#include <termios.h> 77#include <termios.h>
77#include <sys/types.h> 78#include <sys/types.h>
78#include <sys/ioctl.h> 79#include <sys/ioctl.h>
79#include <sys/wait.h> 80#include <sys/wait.h>
80 81
81#ifdef HAVE_OPENPTY 82#ifdef HAVE_OPENPTY
82#include <pty.h> 83#include <pty.h>
83#endif 84#endif
84 85
85#include "procctl.h" 86#include "procctl.h"
86#include "MyPty.h" 87#include "MyPty.h"
87 88
88 89
89#undef VERBOSE_DEBUG 90#undef VERBOSE_DEBUG
90 91
91 92
92/* -------------------------------------------------------------------------- */ 93/* -------------------------------------------------------------------------- */
93 94
94/*! 95/*!
95 Informs the client program about the 96 Informs the client program about the
96 actual size of the window. 97 actual size of the window.
97*/ 98*/
98 99
99void MyPty::setSize(int lines, int columns) 100void MyPty::setSize(int lines, int columns)
100{ 101{
101 qWarning("setting size"); 102 qWarning("setting size");
102 struct winsize wsize; 103 struct winsize wsize;
103 wsize.ws_row = (unsigned short)lines; 104 wsize.ws_row = (unsigned short)lines;
104 wsize.ws_col = (unsigned short)columns; 105 wsize.ws_col = (unsigned short)columns;
105 if(m_fd < 0) return; 106 if(m_fd < 0) return;
106 ioctl(m_fd,TIOCSWINSZ,(char *)&wsize); 107 ioctl(m_fd,TIOCSWINSZ,(char *)&wsize);
107} 108}
108 109
109 110
110void MyPty::donePty() 111void MyPty::donePty()
111{ 112{
112 // This is code from the Qt DumbTerminal example 113 // This is code from the Qt DumbTerminal example
113 114
114 ::close(m_fd); 115 ::close(m_fd);
115 116
116 if (m_cpid) { 117 if (m_cpid) {
117 kill(m_cpid, SIGHUP); 118 kill(m_cpid, SIGHUP);
118 //waitpid(m_cpid, &status, 0); 119 //waitpid(m_cpid, &status, 0);
119 delete m_sn_e; 120 delete m_sn_e;
120 delete m_sn_r; 121 delete m_sn_r;
121 m_sn_e = 0l; 122 m_sn_e = 0l;
122 m_sn_r = 0l; 123 m_sn_r = 0l;
123 } 124 }
124 125
125 m_cpid = 0; 126 m_cpid = 0;
126 m_fd = -1; 127 m_fd = -1;
127// emit done(status); 128// emit done(status);
128} 129}
129 130
130 131
131const char* MyPty::deviceName() 132const char* MyPty::deviceName()
132{ 133{
133 return m_ttynam; 134 return m_ttynam;
134} 135}
135 136
136 137
137void MyPty::error() 138void MyPty::error()
138{ 139{
139 // This is code from the Qt DumbTerminal example 140 // This is code from the Qt DumbTerminal example
140 donePty(); 141 donePty();
141} 142}
142 143
143void MyPty::start() { 144void MyPty::start() {
144 char* cmd = "/bin/sh"; 145 char* cmd = "/bin/sh";
146
147 if ( QFile::exists( "/bin/bash" ) ) {
148 char* cmd = "/bin/bash";
149 }
150
145 QStrList lis; 151 QStrList lis;
146 int r =run(cmd, lis, 0, 0); 152 int r =run(cmd, lis, 0, 0);
147 r = r; 153 r = r;
148} 154}
149/*! 155/*!
150 start the client program. 156 start the client program.
151*/ 157*/
152int MyPty::run(const char* cmd, QStrList &, const char*, int) 158int MyPty::run(const char* cmd, QStrList &, const char*, int)
153{ 159{
154 // This is code from the Qt DumbTerminal example 160 // This is code from the Qt DumbTerminal example
155 m_cpid = fork(); 161 m_cpid = fork();
156 162
157 if ( !m_cpid ) { 163 if ( !m_cpid ) {
158 // child - exec shell on tty 164 // child - exec shell on tty
159 for (int sig = 1; sig < NSIG; sig++) signal(sig,SIG_DFL); 165 for (int sig = 1; sig < NSIG; sig++) signal(sig,SIG_DFL);
160 int ttyfd = ::open(m_ttynam, O_RDWR); 166 int ttyfd = ::open(m_ttynam, O_RDWR);
161 dup2(ttyfd, STDIN_FILENO); 167 dup2(ttyfd, STDIN_FILENO);
162 dup2(ttyfd, STDOUT_FILENO); 168 dup2(ttyfd, STDOUT_FILENO);
163 dup2(ttyfd, STDERR_FILENO); 169 dup2(ttyfd, STDERR_FILENO);
164 // should be done with tty, so close it 170 // should be done with tty, so close it
165 ::close(ttyfd); 171 ::close(ttyfd);
166 static struct termios ttmode; 172 static struct termios ttmode;
167 if ( setsid() < 0 ) 173 if ( setsid() < 0 )
168 perror( "failed to set process group" ); 174 perror( "failed to set process group" );
169#if defined (TIOCSCTTY) 175#if defined (TIOCSCTTY)
170 // grabbed from APUE by Stevens 176 // grabbed from APUE by Stevens
171 ioctl(STDIN_FILENO, TIOCSCTTY, 0); 177 ioctl(STDIN_FILENO, TIOCSCTTY, 0);
172#endif 178#endif
173 tcgetattr( STDIN_FILENO, &ttmode ); 179 tcgetattr( STDIN_FILENO, &ttmode );
174 ttmode.c_cc[VINTR] = 3; 180 ttmode.c_cc[VINTR] = 3;
175 ttmode.c_cc[VERASE] = 8; 181 ttmode.c_cc[VERASE] = 8;
176 tcsetattr( STDIN_FILENO, TCSANOW, &ttmode ); 182 tcsetattr( STDIN_FILENO, TCSANOW, &ttmode );
177 setenv("TERM",m_term,1); 183 setenv("TERM",m_term,1);
178 setenv("COLORTERM","0",1); 184 setenv("COLORTERM","0",1);
179 185
180 if (getuid() == 0) { 186 if (getuid() == 0) {
181 char msg[] = "WARNING: You are running this shell as root!\n"; 187 char msg[] = "WARNING: You are running this shell as root!\n";
182 write(ttyfd, msg, sizeof(msg)); 188 write(ttyfd, msg, sizeof(msg));
183 } 189 }
184 execl(cmd, cmd, 0); 190 execl(cmd, cmd, 0);
185 191
186 donePty(); 192 donePty();
187 exit(-1); 193 exit(-1);
188 } 194 }
189 195
190 // parent - continue as a widget 196 // parent - continue as a widget
191 delete m_sn_r; 197 delete m_sn_r;
192 m_sn_r = new QSocketNotifier(m_fd,QSocketNotifier::Read,this); 198 m_sn_r = new QSocketNotifier(m_fd,QSocketNotifier::Read,this);
193 delete m_sn_e; 199 delete m_sn_e;
194 m_sn_e = new QSocketNotifier(m_fd,QSocketNotifier::Exception,this); 200 m_sn_e = new QSocketNotifier(m_fd,QSocketNotifier::Exception,this);
195 connect(m_sn_r,SIGNAL(activated(int)),this,SLOT(readPty())); 201 connect(m_sn_r,SIGNAL(activated(int)),this,SLOT(readPty()));
196 connect(m_sn_e,SIGNAL(activated(int)),this,SLOT(error())); 202 connect(m_sn_e,SIGNAL(activated(int)),this,SLOT(error()));
197 203
198 return 0; 204 return 0;
199} 205}
200 206
201int MyPty::openPty() 207int MyPty::openPty()
202{ 208{
203 // This is code from the Qt DumbTerminal example 209 // This is code from the Qt DumbTerminal example
204 int ptyfd = -1; 210 int ptyfd = -1;
205 211
206#ifdef HAVE_OPENPTY 212#ifdef HAVE_OPENPTY
207 int ttyfd; 213 int ttyfd;
208 if ( openpty(&ptyfd,&ttyfd,ttynam,0,0) ) 214 if ( openpty(&ptyfd,&ttyfd,ttynam,0,0) )
209 ptyfd = -1; 215 ptyfd = -1;
210 else 216 else
211 close(ttyfd); // we open the ttynam ourselves. 217 close(ttyfd); // we open the ttynam ourselves.
212#else 218#else
213 for (const char* c0 = "pqrstuvwxyzabcde"; ptyfd < 0 && *c0 != 0; c0++) { 219 for (const char* c0 = "pqrstuvwxyzabcde"; ptyfd < 0 && *c0 != 0; c0++) {
214 for (const char* c1 = "0123456789abcdef"; ptyfd < 0 && *c1 != 0; c1++) { 220 for (const char* c1 = "0123456789abcdef"; ptyfd < 0 && *c1 != 0; c1++) {
215 sprintf(m_ptynam,"/dev/pty%c%c",*c0,*c1); 221 sprintf(m_ptynam,"/dev/pty%c%c",*c0,*c1);
216 sprintf(m_ttynam,"/dev/tty%c%c",*c0,*c1); 222 sprintf(m_ttynam,"/dev/tty%c%c",*c0,*c1);
217 if ((ptyfd = ::open(m_ptynam,O_RDWR)) >= 0) { 223 if ((ptyfd = ::open(m_ptynam,O_RDWR)) >= 0) {
218 if (geteuid() != 0 && !access(m_ttynam,R_OK|W_OK) == 0) { 224 if (geteuid() != 0 && !access(m_ttynam,R_OK|W_OK) == 0) {
219 ::close(ptyfd); 225 ::close(ptyfd);
220 ptyfd = -1; 226 ptyfd = -1;
221 } 227 }
222 } 228 }
223 } 229 }
224 } 230 }
225#endif 231#endif
226 232
227 if ( ptyfd < 0 ) { 233 if ( ptyfd < 0 ) {
228 //qApp->exit(1); 234 //qApp->exit(1);
229 return -1; 235 return -1;
230 } 236 }
231 237
232 return ptyfd; 238 return ptyfd;
233} 239}
234 240
235/*! 241/*!
236 Create an instance. 242 Create an instance.
237*/ 243*/
238MyPty::MyPty(const Profile& prof) : m_cpid(0) 244MyPty::MyPty(const Profile& prof) : m_cpid(0)
239{ 245{
240 246