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-rw-r--r--libopie/oprocess.cpp94
-rw-r--r--libopie/oprocess.h72
2 files changed, 56 insertions, 110 deletions
diff --git a/libopie/oprocess.cpp b/libopie/oprocess.cpp
index f3e52bd..5db2b6c 100644
--- a/libopie/oprocess.cpp
+++ b/libopie/oprocess.cpp
@@ -73,64 +73,84 @@
73#ifdef HAVE_INITGROUPS 73#ifdef HAVE_INITGROUPS
74#include <grp.h> 74#include <grp.h>
75#endif 75#endif
76#include <pwd.h> 76#include <pwd.h>
77 77
78#include <qapplication.h> 78#include <qapplication.h>
79#include <qmap.h> 79#include <qmap.h>
80//#include <kdebug.h> 80//#include <kdebug.h>
81 81
82///////////////////////////// 82/////////////////////////////
83// public member functions // 83// public member functions //
84///////////////////////////// 84/////////////////////////////
85 85
86class OProcessPrivate { 86class OProcessPrivate {
87public: 87public:
88 OProcessPrivate() : useShell(false) { } 88 OProcessPrivate() : useShell(false) { }
89 89
90 bool useShell; 90 bool useShell;
91 QMap<QString,QString> env; 91 QMap<QString,QString> env;
92 QString wd; 92 QString wd;
93 QCString shell; 93 QCString shell;
94}; 94};
95 95
96 96
97OProcess::OProcess() 97OProcess::OProcess(QObject *parent, const char *name)
98 : QObject(), 98 : QObject(parent, name)
99 run_mode(NotifyOnExit),
100 runs(false),
101 pid_(0),
102 status(0),
103 keepPrivs(false),
104 innot(0),
105 outnot(0),
106 errnot(0),
107 communication(NoCommunication),
108 input_data(0),
109 input_sent(0),
110 input_total(0),
111 d(0)
112{ 99{
100 init ( );
101}
102
103OProcess::OProcess(const QString &arg0, QObject *parent, const char *name)
104 : QObject(parent, name)
105{
106 init ( );
107 *this << arg0;
108}
109
110OProcess::OProcess(const QStringList &args, QObject *parent, const char *name)
111 : QObject(parent, name)
112{
113 init ( );
114 *this << args;
115}
116
117void OProcess::init ( )
118{
119 run_mode = NotifyOnExit;
120 runs = false;
121 pid_ = 0;
122 status = 0;
123 keepPrivs = false;
124 innot = 0;
125 outnot = 0;
126 errnot = 0;
127 communication = NoCommunication;
128 input_data = 0;
129 input_sent = 0;
130 input_total = 0;
131 d = 0;
132
113 if (0 == OProcessController::theOProcessController) { 133 if (0 == OProcessController::theOProcessController) {
114 (void) new OProcessController(); 134 (void) new OProcessController();
115 CHECK_PTR(OProcessController::theOProcessController); 135 CHECK_PTR(OProcessController::theOProcessController);
116 } 136 }
117 137
118 OProcessController::theOProcessController->addOProcess(this); 138 OProcessController::theOProcessController->addOProcess(this);
119 out[0] = out[1] = -1; 139 out[0] = out[1] = -1;
120 in[0] = in[1] = -1; 140 in[0] = in[1] = -1;
121 err[0] = err[1] = -1; 141 err[0] = err[1] = -1;
122} 142}
123 143
124void 144void
125OProcess::setEnvironment(const QString &name, const QString &value) 145OProcess::setEnvironment(const QString &name, const QString &value)
126{ 146{
127 if (!d) 147 if (!d)
128 d = new OProcessPrivate; 148 d = new OProcessPrivate;
129 d->env.insert(name, value); 149 d->env.insert(name, value);
130} 150}
131 151
132void 152void
133OProcess::setWorkingDirectory(const QString &dir) 153OProcess::setWorkingDirectory(const QString &dir)
134{ 154{
135 if (!d) 155 if (!d)
136 d = new OProcessPrivate; 156 d = new OProcessPrivate;
@@ -451,48 +471,62 @@ int OProcess::exitStatus() const
451 471
452 472
453bool OProcess::writeStdin(const char *buffer, int buflen) 473bool OProcess::writeStdin(const char *buffer, int buflen)
454{ 474{
455 bool rv; 475 bool rv;
456 476
457 // if there is still data pending, writing new data 477 // if there is still data pending, writing new data
458 // to stdout is not allowed (since it could also confuse 478 // to stdout is not allowed (since it could also confuse
459 // kprocess... 479 // kprocess...
460 if (0 != input_data) 480 if (0 != input_data)
461 return false; 481 return false;
462 482
463 if (runs && (communication & Stdin)) { 483 if (runs && (communication & Stdin)) {
464 input_data = buffer; 484 input_data = buffer;
465 input_sent = 0; 485 input_sent = 0;
466 input_total = buflen; 486 input_total = buflen;
467 slotSendData(0); 487 slotSendData(0);
468 innot->setEnabled(true); 488 innot->setEnabled(true);
469 rv = true; 489 rv = true;
470 } else 490 } else
471 rv = false; 491 rv = false;
472 return rv; 492 return rv;
473} 493}
474 494
495void OProcess::flushStdin ( )
496{
497 if ( !input_data || ( input_sent == input_total ))
498 return;
499
500 int d1, d2;
501
502 do {
503 d1 = input_total - input_sent;
504 slotSendData ( 0 );
505 d2 = input_total - input_sent;
506 } while ( d2 <= d1 );
507}
508
475void OProcess::suspend() 509void OProcess::suspend()
476{ 510{
477 if ((communication & Stdout) && outnot) 511 if ((communication & Stdout) && outnot)
478 outnot->setEnabled(false); 512 outnot->setEnabled(false);
479} 513}
480 514
481void OProcess::resume() 515void OProcess::resume()
482{ 516{
483 if ((communication & Stdout) && outnot) 517 if ((communication & Stdout) && outnot)
484 outnot->setEnabled(true); 518 outnot->setEnabled(true);
485} 519}
486 520
487bool OProcess::closeStdin() 521bool OProcess::closeStdin()
488{ 522{
489 bool rv; 523 bool rv;
490 524
491 if (communication & Stdin) { 525 if (communication & Stdin) {
492 communication = (Communication) (communication & ~Stdin); 526 communication = (Communication) (communication & ~Stdin);
493 delete innot; 527 delete innot;
494 innot = 0; 528 innot = 0;
495 close(in[1]); 529 close(in[1]);
496 rv = true; 530 rv = true;
497 } else 531 } else
498 rv = false; 532 rv = false;
@@ -867,56 +901,26 @@ bool OProcess::isExecutable(const QCString &filename)
867 901
868 if (-1 == stat(filename.data(), &fileinfo)) return false; 902 if (-1 == stat(filename.data(), &fileinfo)) return false;
869 // CC: return false if the file does not exist 903 // CC: return false if the file does not exist
870 904
871 // CC: anyway, we cannot execute directories, block/character devices, fifos or sockets 905 // CC: anyway, we cannot execute directories, block/character devices, fifos or sockets
872 if ( (S_ISDIR(fileinfo.st_mode)) || 906 if ( (S_ISDIR(fileinfo.st_mode)) ||
873 (S_ISCHR(fileinfo.st_mode)) || 907 (S_ISCHR(fileinfo.st_mode)) ||
874 (S_ISBLK(fileinfo.st_mode)) || 908 (S_ISBLK(fileinfo.st_mode)) ||
875#ifdef S_ISSOCK 909#ifdef S_ISSOCK
876 // CC: SYSVR4 systems don't have that macro 910 // CC: SYSVR4 systems don't have that macro
877 (S_ISSOCK(fileinfo.st_mode)) || 911 (S_ISSOCK(fileinfo.st_mode)) ||
878#endif 912#endif
879 (S_ISFIFO(fileinfo.st_mode)) || 913 (S_ISFIFO(fileinfo.st_mode)) ||
880 (S_ISDIR(fileinfo.st_mode)) ) { 914 (S_ISDIR(fileinfo.st_mode)) ) {
881 return false; 915 return false;
882 } 916 }
883 917
884 // CC: now check for permission to execute the file 918 // CC: now check for permission to execute the file
885 if (access(filename.data(), X_OK) != 0) return false; 919 if (access(filename.data(), X_OK) != 0) return false;
886 920
887 // CC: we've passed all the tests... 921 // CC: we've passed all the tests...
888 return true; 922 return true;
889} 923}
890 924
891void OProcess::virtual_hook( int, void* )
892{ /*BASE::virtual_hook( id, data );*/ }
893
894
895///////////////////////////
896// CC: Class KShellProcess
897///////////////////////////
898
899KShellProcess::KShellProcess(const char *shellname):
900 OProcess()
901{
902 setUseShell(true, shellname);
903}
904
905
906KShellProcess::~KShellProcess() {
907}
908
909QString KShellProcess::quote(const QString &arg)
910{
911 return OProcess::quote(arg);
912}
913
914bool KShellProcess::start(RunMode runmode, Communication comm)
915{
916 return OProcess::start(runmode, comm);
917}
918 925
919void KShellProcess::virtual_hook( int id, void* data )
920{ OProcess::virtual_hook( id, data ); }
921 926
922//#include "kprocess.moc"
diff --git a/libopie/oprocess.h b/libopie/oprocess.h
index fd726b4..bf5fe0e 100644
--- a/libopie/oprocess.h
+++ b/libopie/oprocess.h
@@ -166,49 +166,51 @@ public:
166 AllOutput = 6, All = 7, 166 AllOutput = 6, All = 7,
167 NoRead }; 167 NoRead };
168 168
169 /** 169 /**
170 * Run-modes for a child process. 170 * Run-modes for a child process.
171 */ 171 */
172 enum RunMode { 172 enum RunMode {
173 /** 173 /**
174 * The application does not receive notifications from the subprocess when 174 * The application does not receive notifications from the subprocess when
175 * it is finished or aborted. 175 * it is finished or aborted.
176 */ 176 */
177 DontCare, 177 DontCare,
178 /** 178 /**
179 * The application is notified when the subprocess dies. 179 * The application is notified when the subprocess dies.
180 */ 180 */
181 NotifyOnExit, 181 NotifyOnExit,
182 /** 182 /**
183 * The application is suspended until the started process is finished. 183 * The application is suspended until the started process is finished.
184 */ 184 */
185 Block }; 185 Block };
186 186
187 /** 187 /**
188 * Constructor 188 * Constructor
189 */ 189 */
190 OProcess(); 190 OProcess(QObject *parent = 0, const char *name = 0);
191 OProcess(const QString &arg0, QObject *parent = 0, const char *name = 0);
192 OProcess(const QStringList &args, QObject *parent = 0, const char *name = 0);
191 193
192 /** 194 /**
193 *Destructor: 195 *Destructor:
194 * 196 *
195 * If the process is running when the destructor for this class 197 * If the process is running when the destructor for this class
196 * is called, the child process is killed with a SIGKILL, but 198 * is called, the child process is killed with a SIGKILL, but
197 * only if the run mode is not of type @p DontCare. 199 * only if the run mode is not of type @p DontCare.
198 * Processes started as @p DontCare keep running anyway. 200 * Processes started as @p DontCare keep running anyway.
199 */ 201 */
200 virtual ~OProcess(); 202 virtual ~OProcess();
201 203
202 /** 204 /**
203 @deprecated 205 @deprecated
204 206
205 The use of this function is now deprecated. -- Please use the 207 The use of this function is now deprecated. -- Please use the
206 "operator<<" instead of "setExecutable". 208 "operator<<" instead of "setExecutable".
207 209
208 Sets the executable to be started with this OProcess object. 210 Sets the executable to be started with this OProcess object.
209 Returns false if the process is currently running (in that 211 Returns false if the process is currently running (in that
210 case the executable remains unchanged.) 212 case the executable remains unchanged.)
211 213
212 @see operator<< 214 @see operator<<
213 215
214 */ 216 */
@@ -339,48 +341,50 @@ public:
339 * 341 *
340 * OProcess::writeStdin may return false in the following cases: 342 * OProcess::writeStdin may return false in the following cases:
341 * 343 *
342 * @li The process is not currently running. 344 * @li The process is not currently running.
343 * 345 *
344 * @li Communication to stdin has not been requested in the @ref start() call. 346 * @li Communication to stdin has not been requested in the @ref start() call.
345 * 347 *
346 * @li Transmission of data to the child process by a previous call to 348 * @li Transmission of data to the child process by a previous call to
347 * @ref writeStdin() is still in progress. 349 * @ref writeStdin() is still in progress.
348 * 350 *
349 * Please note that the data is sent to the client asynchronously, 351 * Please note that the data is sent to the client asynchronously,
350 * so when this function returns, the data might not have been 352 * so when this function returns, the data might not have been
351 * processed by the child process. 353 * processed by the child process.
352 * 354 *
353 * If all the data has been sent to the client, the signal 355 * If all the data has been sent to the client, the signal
354 * @ref wroteStdin() will be emitted. 356 * @ref wroteStdin() will be emitted.
355 * 357 *
356 * Please note that you must not free "buffer" or call @ref writeStdin() 358 * Please note that you must not free "buffer" or call @ref writeStdin()
357 * again until either a @ref wroteStdin() signal indicates that the 359 * again until either a @ref wroteStdin() signal indicates that the
358 * data has been sent or a @ref processHasExited() signal shows that 360 * data has been sent or a @ref processHasExited() signal shows that
359 * the child process is no longer alive... 361 * the child process is no longer alive...
360 **/ 362 **/
361 bool writeStdin(const char *buffer, int buflen); 363 bool writeStdin(const char *buffer, int buflen);
362 364
365 void flushStdin();
366
363 /** 367 /**
364 * This causes the stdin file descriptor of the child process to be 368 * This causes the stdin file descriptor of the child process to be
365 * closed indicating an "EOF" to the child. 369 * closed indicating an "EOF" to the child.
366 * 370 *
367 * @return @p false if no communication to the process's stdin 371 * @return @p false if no communication to the process's stdin
368 * had been specified in the call to @ref start(). 372 * had been specified in the call to @ref start().
369 */ 373 */
370 bool closeStdin(); 374 bool closeStdin();
371 375
372 /** 376 /**
373 * This causes the stdout file descriptor of the child process to be 377 * This causes the stdout file descriptor of the child process to be
374 * closed. 378 * closed.
375 * 379 *
376 * @return @p false if no communication to the process's stdout 380 * @return @p false if no communication to the process's stdout
377 * had been specified in the call to @ref start(). 381 * had been specified in the call to @ref start().
378 */ 382 */
379 bool closeStdout(); 383 bool closeStdout();
380 384
381 /** 385 /**
382 * This causes the stderr file descriptor of the child process to be 386 * This causes the stderr file descriptor of the child process to be
383 * closed. 387 * closed.
384 * 388 *
385 * @return @p false if no communication to the process's stderr 389 * @return @p false if no communication to the process's stderr
386 * had been specified in the call to @ref start(). 390 * had been specified in the call to @ref start().
@@ -710,96 +714,34 @@ private:
710 /** 714 /**
711 * Searches for a valid shell. 715 * Searches for a valid shell.
712 * Here is the algorithm used for finding an executable shell: 716 * Here is the algorithm used for finding an executable shell:
713 * 717 *
714 * @li Try the executable pointed to by the "SHELL" environment 718 * @li Try the executable pointed to by the "SHELL" environment
715 * variable with white spaces stripped off 719 * variable with white spaces stripped off
716 * 720 *
717 * @li If your process runs with uid != euid or gid != egid, a shell 721 * @li If your process runs with uid != euid or gid != egid, a shell
718 * not listed in /etc/shells will not used. 722 * not listed in /etc/shells will not used.
719 * 723 *
720 * @li If no valid shell could be found, "/bin/sh" is used as a last resort. 724 * @li If no valid shell could be found, "/bin/sh" is used as a last resort.
721 */ 725 */
722 QCString searchShell(); 726 QCString searchShell();
723 727
724 /** 728 /**
725 * Used by @ref searchShell in order to find out whether the shell found 729 * Used by @ref searchShell in order to find out whether the shell found
726 * is actually executable at all. 730 * is actually executable at all.
727 */ 731 */
728 bool isExecutable(const QCString &filename); 732 bool isExecutable(const QCString &filename);
729 733
730 // Disallow assignment and copy-construction 734 // Disallow assignment and copy-construction
731 OProcess( const OProcess& ); 735 OProcess( const OProcess& );
732 OProcess& operator= ( const OProcess& ); 736 OProcess& operator= ( const OProcess& );
733 737
734protected:
735 virtual void virtual_hook( int id, void* data );
736private:
737 OProcessPrivate *d;
738};
739
740class KShellProcessPrivate;
741
742/**
743* @obsolete
744*
745* This class is obsolete. Use OProcess and OProcess::setUseShell(true)
746* instead.
747*
748* @short A class derived from @ref OProcess to start child
749 * processes through a shell.
750* @author Christian Czezakte <e9025461@student.tuwien.ac.at>
751* @version $Id$
752*/
753class KShellProcess: public OProcess
754{
755 Q_OBJECT
756
757public:
758
759 /**
760 * Constructor
761 *
762 * By specifying the name of a shell (like "/bin/bash") you can override
763 * the mechanism for finding a valid shell as described in OProcess::searchShell()
764 */
765 KShellProcess(const char *shellname=0);
766
767 /**
768 * Destructor.
769 */
770 ~KShellProcess();
771
772 /**
773 * Starts up the process. -- For a detailed description
774 * have a look at the "start" member function and the detailed
775 * description of @ref OProcess .
776 */
777 virtual bool start(RunMode runmode = NotifyOnExit,
778 Communication comm = NoCommunication);
779
780 /**
781 * This function can be used to quote an argument string such that
782 * the shell processes it properly. This is e. g. necessary for
783 * user-provided file names which may contain spaces or quotes.
784 * It also prevents expansion of wild cards and environment variables.
785 */
786 static QString quote(const QString &arg);
787
788private: 738private:
739 void init ( );
789 740
790 QCString shell; 741 OProcessPrivate *d;
791
792 // Disallow assignment and copy-construction
793 KShellProcess( const KShellProcess& );
794 KShellProcess& operator= ( const KShellProcess& );
795
796protected:
797 virtual void virtual_hook( int id, void* data );
798private:
799 KShellProcessPrivate *d;
800}; 742};
801 743
802 744
803 745
804#endif 746#endif
805 747