summaryrefslogtreecommitdiff
Unidiff
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/apps/opie-console/MyPty.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/noncore/apps/opie-console/MyPty.cpp b/noncore/apps/opie-console/MyPty.cpp
index 2570826..534f79a 100644
--- a/noncore/apps/opie-console/MyPty.cpp
+++ b/noncore/apps/opie-console/MyPty.cpp
@@ -1,340 +1,340 @@
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#include <qfile.h>
71 71
72#include <stdlib.h> 72#include <stdlib.h>
73#include <stdio.h> 73#include <stdio.h>
74#include <signal.h> 74#include <signal.h>
75#include <fcntl.h> 75#include <fcntl.h>
76#include <unistd.h> 76#include <unistd.h>
77#include <termios.h> 77#include <termios.h>
78#include <sys/types.h> 78#include <sys/types.h>
79#include <sys/ioctl.h> 79#include <sys/ioctl.h>
80#include <sys/wait.h> 80#include <sys/wait.h>
81 81
82#ifdef HAVE_OPENPTY 82#ifdef HAVE_OPENPTY
83#include <pty.h> 83#include <pty.h>
84#endif 84#endif
85 85
86#include "procctl.h" 86#include "procctl.h"
87#include "MyPty.h" 87#include "MyPty.h"
88 88
89 89
90#undef VERBOSE_DEBUG 90#undef VERBOSE_DEBUG
91 91
92 92
93/* -------------------------------------------------------------------------- */ 93/* -------------------------------------------------------------------------- */
94 94
95/*! 95/*!
96 Informs the client program about the 96 Informs the client program about the
97 actual size of the window. 97 actual size of the window.
98*/ 98*/
99 99
100void MyPty::setSize(int lines, int columns) 100void MyPty::setSize(int lines, int columns)
101{ 101{
102 qWarning("setting size"); 102 qWarning("setting size");
103 struct winsize wsize; 103 struct winsize wsize;
104 wsize.ws_row = (unsigned short)lines; 104 wsize.ws_row = (unsigned short)lines;
105 wsize.ws_col = (unsigned short)columns; 105 wsize.ws_col = (unsigned short)columns;
106 if(m_fd < 0) return; 106 if(m_fd < 0) return;
107 ioctl(m_fd,TIOCSWINSZ,(char *)&wsize); 107 ioctl(m_fd,TIOCSWINSZ,(char *)&wsize);
108} 108}
109 109
110 110
111void MyPty::donePty() 111void MyPty::donePty()
112{ 112{
113 // This is code from the Qt DumbTerminal example 113 // This is code from the Qt DumbTerminal example
114 114
115 ::close(m_fd); 115 ::close(m_fd);
116 116
117 if (m_cpid) { 117 if (m_cpid) {
118 kill(m_cpid, SIGHUP); 118 kill(m_cpid, SIGHUP);
119 //waitpid(m_cpid, &status, 0); 119 //waitpid(m_cpid, &status, 0);
120 delete m_sn_e; 120 delete m_sn_e;
121 delete m_sn_r; 121 delete m_sn_r;
122 m_sn_e = 0l; 122 m_sn_e = 0l;
123 m_sn_r = 0l; 123 m_sn_r = 0l;
124 } 124 }
125 125
126 m_cpid = 0; 126 m_cpid = 0;
127 m_fd = -1; 127 m_fd = -1;
128// emit done(status); 128// emit done(status);
129} 129}
130 130
131 131
132const char* MyPty::deviceName() 132const char* MyPty::deviceName()
133{ 133{
134 return m_ttynam; 134 return m_ttynam;
135} 135}
136 136
137 137
138void MyPty::error() 138void MyPty::error()
139{ 139{
140 // This is code from the Qt DumbTerminal example 140 // This is code from the Qt DumbTerminal example
141 donePty(); 141 donePty();
142} 142}
143 143
144void MyPty::start() { 144void MyPty::start() {
145 char* cmd = "/bin/sh"; 145 char* cmd = "/bin/sh";
146 146
147 if ( QFile::exists( "/bin/bash" ) ) { 147 if ( QFile::exists( "/bin/bash" ) ) {
148 char* cmd = "/bin/bash"; 148 cmd = "/bin/bash";
149 } 149 }
150 150
151 QStrList lis; 151 QStrList lis;
152 int r =run(cmd, lis, 0, 0); 152 int r =run(cmd, lis, 0, 0);
153 r = r; 153 r = r;
154} 154}
155/*! 155/*!
156 start the client program. 156 start the client program.
157*/ 157*/
158int MyPty::run(const char* cmd, QStrList &, const char*, int) 158int MyPty::run(const char* cmd, QStrList &, const char*, int)
159{ 159{
160 // This is code from the Qt DumbTerminal example 160 // This is code from the Qt DumbTerminal example
161 m_cpid = fork(); 161 m_cpid = fork();
162 162
163 if ( !m_cpid ) { 163 if ( !m_cpid ) {
164 // child - exec shell on tty 164 // child - exec shell on tty
165 for (int sig = 1; sig < NSIG; sig++) signal(sig,SIG_DFL); 165 for (int sig = 1; sig < NSIG; sig++) signal(sig,SIG_DFL);
166 int ttyfd = ::open(m_ttynam, O_RDWR); 166 int ttyfd = ::open(m_ttynam, O_RDWR);
167 dup2(ttyfd, STDIN_FILENO); 167 dup2(ttyfd, STDIN_FILENO);
168 dup2(ttyfd, STDOUT_FILENO); 168 dup2(ttyfd, STDOUT_FILENO);
169 dup2(ttyfd, STDERR_FILENO); 169 dup2(ttyfd, STDERR_FILENO);
170 // should be done with tty, so close it 170 // should be done with tty, so close it
171 ::close(ttyfd); 171 ::close(ttyfd);
172 static struct termios ttmode; 172 static struct termios ttmode;
173 if ( setsid() < 0 ) 173 if ( setsid() < 0 )
174 perror( "failed to set process group" ); 174 perror( "failed to set process group" );
175#if defined (TIOCSCTTY) 175#if defined (TIOCSCTTY)
176 // grabbed from APUE by Stevens 176 // grabbed from APUE by Stevens
177 ioctl(STDIN_FILENO, TIOCSCTTY, 0); 177 ioctl(STDIN_FILENO, TIOCSCTTY, 0);
178#endif 178#endif
179 tcgetattr( STDIN_FILENO, &ttmode ); 179 tcgetattr( STDIN_FILENO, &ttmode );
180 ttmode.c_cc[VINTR] = 3; 180 ttmode.c_cc[VINTR] = 3;
181 ttmode.c_cc[VERASE] = 8; 181 ttmode.c_cc[VERASE] = 8;
182 tcsetattr( STDIN_FILENO, TCSANOW, &ttmode ); 182 tcsetattr( STDIN_FILENO, TCSANOW, &ttmode );
183 setenv("TERM",m_term,1); 183 setenv("TERM",m_term,1);
184 setenv("COLORTERM","0",1); 184 setenv("COLORTERM","0",1);
185 185
186 if (getuid() == 0) { 186 if (getuid() == 0) {
187 char msg[] = "WARNING: You are running this shell as root!\n"; 187 char msg[] = "WARNING: You are running this shell as root!\n";
188 write(ttyfd, msg, sizeof(msg)); 188 write(ttyfd, msg, sizeof(msg));
189 } 189 }
190 execl(cmd, cmd, 0); 190 execl(cmd, cmd, 0);
191 191
192 donePty(); 192 donePty();
193 exit(-1); 193 exit(-1);
194 } 194 }
195 195
196 // parent - continue as a widget 196 // parent - continue as a widget
197 delete m_sn_r; 197 delete m_sn_r;
198 m_sn_r = new QSocketNotifier(m_fd,QSocketNotifier::Read,this); 198 m_sn_r = new QSocketNotifier(m_fd,QSocketNotifier::Read,this);
199 delete m_sn_e; 199 delete m_sn_e;
200 m_sn_e = new QSocketNotifier(m_fd,QSocketNotifier::Exception,this); 200 m_sn_e = new QSocketNotifier(m_fd,QSocketNotifier::Exception,this);
201 connect(m_sn_r,SIGNAL(activated(int)),this,SLOT(readPty())); 201 connect(m_sn_r,SIGNAL(activated(int)),this,SLOT(readPty()));
202 connect(m_sn_e,SIGNAL(activated(int)),this,SLOT(error())); 202 connect(m_sn_e,SIGNAL(activated(int)),this,SLOT(error()));
203 203
204 return 0; 204 return 0;
205} 205}
206 206
207int MyPty::openPty() 207int MyPty::openPty()
208{ 208{
209 // This is code from the Qt DumbTerminal example 209 // This is code from the Qt DumbTerminal example
210 int ptyfd = -1; 210 int ptyfd = -1;
211 211
212#ifdef HAVE_OPENPTY 212#ifdef HAVE_OPENPTY
213 int ttyfd; 213 int ttyfd;
214 if ( openpty(&ptyfd,&ttyfd,ttynam,0,0) ) 214 if ( openpty(&ptyfd,&ttyfd,ttynam,0,0) )
215 ptyfd = -1; 215 ptyfd = -1;
216 else 216 else
217 close(ttyfd); // we open the ttynam ourselves. 217 close(ttyfd); // we open the ttynam ourselves.
218#else 218#else
219 for (const char* c0 = "pqrstuvwxyzabcde"; ptyfd < 0 && *c0 != 0; c0++) { 219 for (const char* c0 = "pqrstuvwxyzabcde"; ptyfd < 0 && *c0 != 0; c0++) {
220 for (const char* c1 = "0123456789abcdef"; ptyfd < 0 && *c1 != 0; c1++) { 220 for (const char* c1 = "0123456789abcdef"; ptyfd < 0 && *c1 != 0; c1++) {
221 sprintf(m_ptynam,"/dev/pty%c%c",*c0,*c1); 221 sprintf(m_ptynam,"/dev/pty%c%c",*c0,*c1);
222 sprintf(m_ttynam,"/dev/tty%c%c",*c0,*c1); 222 sprintf(m_ttynam,"/dev/tty%c%c",*c0,*c1);
223 if ((ptyfd = ::open(m_ptynam,O_RDWR)) >= 0) { 223 if ((ptyfd = ::open(m_ptynam,O_RDWR)) >= 0) {
224 if (geteuid() != 0 && !access(m_ttynam,R_OK|W_OK) == 0) { 224 if (geteuid() != 0 && !access(m_ttynam,R_OK|W_OK) == 0) {
225 ::close(ptyfd); 225 ::close(ptyfd);
226 ptyfd = -1; 226 ptyfd = -1;
227 } 227 }
228 } 228 }
229 } 229 }
230 } 230 }
231#endif 231#endif
232 232
233 if ( ptyfd < 0 ) { 233 if ( ptyfd < 0 ) {
234 //qApp->exit(1); 234 //qApp->exit(1);
235 return -1; 235 return -1;
236 } 236 }
237 237
238 return ptyfd; 238 return ptyfd;
239} 239}
240 240
241/*! 241/*!
242 Create an instance. 242 Create an instance.
243*/ 243*/
244MyPty::MyPty(const Profile& prof) : m_cpid(0) 244MyPty::MyPty(const Profile& prof) : m_cpid(0)
245{ 245{
246 246
247 int term = prof.readNumEntry("Terminal", Profile::VT100 ); 247 int term = prof.readNumEntry("Terminal", Profile::VT100 );
248 switch( term ) { 248 switch( term ) {
249 default: 249 default:
250 case Profile::VT100: 250 case Profile::VT100:
251 case Profile::VT102: 251 case Profile::VT102:
252 m_term = "vt100"; 252 m_term = "vt100";
253 break; 253 break;
254 case Profile::Linux: 254 case Profile::Linux:
255 m_term = "linux"; 255 m_term = "linux";
256 break; 256 break;
257 case Profile::XTerm: 257 case Profile::XTerm:
258 m_term = "xterm"; 258 m_term = "xterm";
259 break; 259 break;
260 } 260 }
261 m_sn_e = 0l; 261 m_sn_e = 0l;
262 m_sn_r = 0l; 262 m_sn_r = 0l;
263 m_fd = openPty(); 263 m_fd = openPty();
264 ProcCtl* ctl = ProcCtl::self(); 264 ProcCtl* ctl = ProcCtl::self();
265 Q_UNUSED(ctl); 265 Q_UNUSED(ctl);
266} 266}
267 267
268/*! 268/*!
269 Destructor. 269 Destructor.
270 Note that the related client program is not killed 270 Note that the related client program is not killed
271 (yet) when a instance is deleted. 271 (yet) when a instance is deleted.
272*/ 272*/
273MyPty::~MyPty() 273MyPty::~MyPty()
274{ 274{
275 donePty(); 275 donePty();
276} 276}
277QString MyPty::identifier()const { 277QString MyPty::identifier()const {
278 return QString::fromLatin1("term"); 278 return QString::fromLatin1("term");
279} 279}
280QString MyPty::name()const{ 280QString MyPty::name()const{
281 return identifier(); 281 return identifier();
282} 282}
283bool MyPty::open() { 283bool MyPty::open() {
284 if (m_fd < 0) 284 if (m_fd < 0)
285 m_fd = openPty(); 285 m_fd = openPty();
286 286
287 start(); 287 start();
288 return true; 288 return true;
289} 289}
290void MyPty::close() { 290void MyPty::close() {
291 donePty(); 291 donePty();
292 m_fd = openPty(); 292 m_fd = openPty();
293} 293}
294void MyPty::reload( const Profile& ) { 294void MyPty::reload( const Profile& ) {
295 295
296} 296}
297/*! sends len bytes through the line */ 297/*! sends len bytes through the line */
298void MyPty::send(const QByteArray& ar) 298void MyPty::send(const QByteArray& ar)
299{ 299{
300#ifdef VERBOSE_DEBUG 300#ifdef VERBOSE_DEBUG
301 // verbose debug 301 // verbose debug
302 printf("sending bytes:\n"); 302 printf("sending bytes:\n");
303 for (uint i = 0; i < ar.count(); i++) 303 for (uint i = 0; i < ar.count(); i++)
304 printf("%c", ar[i]); 304 printf("%c", ar[i]);
305 printf("\n"); 305 printf("\n");
306#endif 306#endif
307 307
308 ::write(m_fd, ar.data(), ar.count()); 308 ::write(m_fd, ar.data(), ar.count());
309} 309}
310 310
311/*! indicates that a block of data is received */ 311/*! indicates that a block of data is received */
312void MyPty::readPty() 312void MyPty::readPty()
313{ 313{
314 QByteArray buf(4096); 314 QByteArray buf(4096);
315 315
316 int len = ::read( m_fd, buf.data(), 4096 ); 316 int len = ::read( m_fd, buf.data(), 4096 );
317 317
318 if (len == -1 || len == 0) { 318 if (len == -1 || len == 0) {
319 donePty(); 319 donePty();
320 return; 320 return;
321 } 321 }
322 322
323 if (len < 0) 323 if (len < 0)
324 return; 324 return;
325 325
326 326
327 buf.resize(len); 327 buf.resize(len);
328 emit received(buf); 328 emit received(buf);
329 329
330#ifdef VERBOSE_DEBUG 330#ifdef VERBOSE_DEBUG
331 // verbose debug 331 // verbose debug
332 printf("read bytes:\n"); 332 printf("read bytes:\n");
333 for (uint i = 0; i < buf.count(); i++) 333 for (uint i = 0; i < buf.count(); i++)
334 printf("%c", buf[i]); 334 printf("%c", buf[i]);
335 printf("\n"); 335 printf("\n");
336#endif 336#endif
337 337
338} 338}
339QBitArray MyPty::supports()const { 339QBitArray MyPty::supports()const {
340 QBitArray ar(3); 340 QBitArray ar(3);