Initial commit of qtpoia symlinker app for opie

5 files changed, 349 insertions, 0 deletions

diff --git a/core/symlinker/Makefile b/core/symlinker/Makefile
new file mode 100644
index 0000000..f35292c
--- a/dev/null
+++ b/core/symlinker/Makefile
@@ -0,0 +1,160 @@
+#############################################################################
+# Makefile for building: $(OPIEDIR)/bin/opie-update-symlinks
+# Generated by qmake (1.05a) (Qt 3.1.2) on: Tue Mar 16 10:46:29 2004
+# Project:  symlinker.pro
+# Template: app
+# Command: $(QMAKE) -o Makefile symlinker.pro
+#############################################################################
+
+####### Compiler, tools and options
+
+CC       = arm-linux-gcc
+CXX      = arm-linux-g++ -DQT_QWS_IPAQ
+LEX      = flex
+YACC     = yacc
+CFLAGS   = -pipe $(CFLAGS_EXTRA) -Wall -W $(if $(CFLAGS_RELEASE),$(CFLAGS_RELEASE), -O2)  -DUSE_REALTIME_AUDIO_THREAD -DOPIE_NEW_MALLOC -DOPIE_SOUND_FRAGMENT_SHIFT=14 -DOPIE_WE_VERSION=15 -DQT_NO_DEBUG
+CXXFLAGS = -pipe $(CFLAGS_EXTRA) -DQWS -fno-exceptions -fno-rtti $(CXXFLAGS_EXTRA) -Wall -W $(if $(CFLAGS_RELEASE),$(CFLAGS_RELEASE), -O2)  -DUSE_REALTIME_AUDIO_THREAD -DOPIE_NEW_MALLOC -DOPIE_SOUND_FRAGMENT_SHIFT=14 -DOPIE_WE_VERSION=15 -DQT_NO_DEBUG
+LEXFLAGS = 
+YACCFLAGS= -d
+INCPATH  = -I/opt/arm/opie//mkspecs/qws/linux-ipaq-g++ -I. -I$(OPIEDIR)/include -I$(QTDIR)/include -I.moc/$(PLATFORM)/
+LINK     = arm-linux-gcc
+LFLAGS   = $(LFLAGS_EXTRA) -Wl,-rpath=$(OPIEDIR)/lib
+LIBS     = $(SUBLIBS)  -Wl,-rpath-link,$(OPIEDIR)/lib -L$(OPIEDIR)/lib  -Wl,-rpath-link,$(QTDIR)/lib -L$(QTDIR)/lib $(LIBS_EXTRA) -lqpe -lopie -lqte
+AR       = ar cqs
+RANLIB   = 
+MOC      = $(QTDIR)/bin/moc
+UIC      = $(QTDIR)/bin/uic
+QMAKE    = qmake
+TAR      = tar -cf
+GZIP     = gzip -9f
+COPY     = cp -f
+COPY_FILE= $(COPY) -p
+COPY_DIR = $(COPY) -pR
+DEL_FILE = rm -f
+SYMLINK  = ln -sf
+DEL_DIR  = rmdir
+MOVE     = mv -f
+PRO      = symlinker.pro
+CHK_DIR_EXISTS= test -d
+MKDIR    = mkdir -p
+
+####### Output directory
+
+OBJECTS_DIR = .obj/$(PLATFORM)/
+
+####### Files
+
+HEADERS = 
+SOURCES = main.cpp
+OBJECTS = .obj/$(PLATFORM)/main.o
+FORMS = 
+UICDECLS = 
+UICIMPLS = 
+SRCMOC   = 
+OBJMOC = 
+        DIST   = ../../gen.pro \
+                ../../include.pro \
+                symlinker.pro
+QMAKE_TARGET = opie-update-symlinks
+DESTDIR  = $(OPIEDIR)/bin/
+TARGET   = $(OPIEDIR)/bin/opie-update-symlinks
+
+first: all
+####### Implicit rules
+
+.SUFFIXES: .c .cpp .cc .cxx .C
+
+.cpp.o:
+        $(CXX) -c $(CXXFLAGS) $(INCPATH) -o $@ $<
+
+.cc.o:
+        $(CXX) -c $(CXXFLAGS) $(INCPATH) -o $@ $<
+
+.cxx.o:
+        $(CXX) -c $(CXXFLAGS) $(INCPATH) -o $@ $<
+
+.C.o:
+        $(CXX) -c $(CXXFLAGS) $(INCPATH) -o $@ $<
+
+.c.o:
+        $(CC) -c $(CFLAGS) $(INCPATH) -o $@ $<
+
+####### Build rules
+
+all: Makefile $(TARGET)
+
+$(TARGET):  $(UICDECLS) $(OBJECTS) $(OBJMOC) 
+        test -d $(OPIEDIR)/bin/ || mkdir -p $(OPIEDIR)/bin/
+        $(LINK) $(LFLAGS) -o $(TARGET) $(OBJECTS) $(OBJMOC) $(LIBS)
+
+mocables: $(SRCMOC)
+
+$(MOC): 
+        ( cd $(QTDIR)/src/moc ; $(MAKE) )
+
+Makefile: symlinker.pro  /opt/arm/opie//mkspecs/qws/linux-ipaq-g++/qmake.conf ../../gen.pro \
+                ../../include.pro
+        $(QMAKE) -o Makefile symlinker.pro
+qmake: 
+        @$(QMAKE) -o Makefile symlinker.pro
+
+dist: 
+        @mkdir -p .obj/$(PLATFORM)/opie-update-symlinks && $(COPY_FILE) --parents $(SOURCES) $(HEADERS) $(FORMS) $(DIST) .obj/$(PLATFORM)/opie-update-symlinks/ && ( cd `dirname .obj/$(PLATFORM)/opie-update-symlinks` && $(TAR) opie-update-symlinks.tar opie-update-symlinks && $(GZIP) opie-update-symlinks.tar ) && $(MOVE) `dirname .obj/$(PLATFORM)/opie-update-symlinks`/opie-update-symlinks.tar.gz . && $(DEL_FILE) -r .obj/$(PLATFORM)/opie-update-symlinks
+
+mocclean:
+
+uiclean:
+
+yaccclean:
+lexclean:
+clean:
+        -$(DEL_FILE) $(OBJECTS) 
+        -$(DEL_FILE) *~ core *.core
+
+
+####### Sub-libraries
+
+distclean: clean
+        -$(DEL_FILE) $(OPIEDIR)/bin/$(TARGET) $(TARGET)
+
+
+lupdate:
+        lupdate -noobsolete $(PRO)
+
+lrelease:
+        lrelease $(PRO)
+
+ipk:
+        tmp=`mktemp -d /tmp/ipkg-opie.XXXXXXXXXX` && ( $(MAKE) INSTALL_ROOT="" install && ipkg-build ; rm -rf ; )
+
+opie-lupdate:
+        opie-lupdate $(PRO)
+
+opie-lrelease:
+        opie-lrelease $(PRO)
+
+messages:
+        xgettext -C -n -ktr -kQT_TRANSLATE_NOOP main.cpp -o '$(OPIEDIR)/messages-$(QMAKE_TARGET)-tr.po' && xgettext -C -n -a main.cpp -o '$(OPIEDIR)/messages-$(QMAKE_TARGET)-allstrings.po'
+
+FORCE:
+
+####### Compile
+
+.obj/$(PLATFORM)/main.o: main.cpp 
+        $(CXX) -c $(CXXFLAGS) $(INCPATH) -o .obj/$(PLATFORM)/main.o main.cpp
+
+####### Install
+
+install_target: 
+        @$(CHK_DIR_EXISTS) "$(INSTALL_ROOT)$(OPIEDIR)/bin/" || $(MKDIR) "$(INSTALL_ROOT)$(OPIEDIR)/bin/"
+        -$(COPY) "$(OPIEDIR)/bin/$(QMAKE_TARGET)" "$(INSTALL_ROOT)$(OPIEDIR)/bin/$(QMAKE_TARGET)"
+
+uninstall_target: 
+        -$(DEL_FILE) "$(INSTALL_ROOT)$(OPIEDIR)/bin/$(QMAKE_TARGET)"
+        -$(DEL_DIR) "$(INSTALL_ROOT)$(OPIEDIR)/bin/"
+
+
+install: all install_target 
+
+uninstall: uninstall_target 
+
diff --git a/core/symlinker/config.in b/core/symlinker/config.in
new file mode 100644
index 0000000..a378d3a
--- a/dev/null
+++ b/core/symlinker/config.in
@@ -0,0 +1,5 @@
+  config SYMLINKER
+    boolean "Opie Symlinker for external media"
+    default "y"
+    depends ( LIBQPE || LIBQPE-X11 ) && LIBOPIE && LAUNCHER
+
diff --git a/core/symlinker/main.cpp b/core/symlinker/main.cpp
new file mode 100644
index 0000000..73d5166
--- a/dev/null
+++ b/core/symlinker/main.cpp
@@ -0,0 +1,160 @@
+#include <qapplication.h>
+#include <qfile.h>
+#include <qfileinfo.h>
+#include <qdir.h>
+#include <qtextstream.h>
+#include <qstringlist.h>
+
+#include <stdlib.h>
+#include <unistd.h> //symlink() 
+#include <sys/stat.h> // mkdir()
+
+#include <sys/vfs.h>
+#include <mntent.h>
+
+static const char *listDir = "/usr/lib/ipkg/externinfo/";
+
+static void createSymlinks( const QString &location, const QString &package )
+{
+    QFile inFile( location + "/usr/lib/ipkg/info/" + package + ".list" );
+    mkdir( "/usr/lib/ipkg", 0777 );
+    mkdir( listDir, 0777 );
+
+    QFile outFile( listDir + package + ".list");
+
+    //qDebug( "createSymlinks %s -> %s", inFile.name().ascii(), outFile.name().ascii() );
+    
+
+    
+    if ( inFile.open(IO_ReadOnly) && outFile.open(IO_WriteOnly)) {   
+        QTextStream in(&inFile);
+        QTextStream out(&outFile);
+
+        QString s;
+        while ( !in.eof() ) {        // until end of file...
+            s = in.readLine();       // line of text excluding '\n'
+            //qDebug( "Read: %s", s.ascii() );
+            // for s, do link/mkdir.
+            if ( s.right(1) == "/" ) {
+                //qDebug("do mkdir for %s", s.ascii());
+                mkdir( s.ascii(), 0777 );
+                //possible optimization: symlink directories
+                //that don't exist already. -- Risky.
+            } else {
+                //qDebug("do symlink for %s", s.ascii());
+                QFileInfo ffi( s ); 
+                //Don't try to symlink if a regular file exists already
+                if ( !ffi.exists() || ffi.isSymLink() ) {
+                    symlink( (location+s).ascii(), s.ascii() );
+        //          qDebug ( "Created %s" ,s.ascii() );
+                    out << s << "\n";
+                } //else {
+                  //  qDebug( "%s  exists already, not symlinked", s.ascii() );
+        //      }
+            }
+        }
+        inFile.close();
+        outFile.close();
+    }
+}
+
+
+
+static void removeSymlinks( const QString &package )
+{
+    QFile inFile( listDir + package + ".list" );
+
+    if ( inFile.open(IO_ReadOnly) ) {   
+        QTextStream in(&inFile);
+
+        QString s;
+        while ( !in.eof() ) {        // until end of file...
+            s = in.readLine();       // line of text excluding '\n'
+            //qDebug("remove symlink %s", s.ascii());
+            QFileInfo ffi( s ); 
+            //Confirm that it's still a symlink.
+            if ( ffi.isSymLink() )
+                unlink( s.ascii() );
+        //          qDebug ( "Removed %s", s.ascii() );
+        //    else
+        //      qDebug( "Not removed %s", s.ascii() );
+        }
+        inFile.close();
+        inFile.remove();
+    }
+}
+
+
+
+/*
+  Slightly hacky: we can't use StorageInfo, since we don't have a
+  QApplication. We look for filesystems that have the directory
+  /usr/lib/ipkg/info, and assume that they are removable media
+  with packages installed. This is safe even if eg. /usr is on a 
+  separate filesystem, since then we would be testing for
+  /usr/usr/lib/ipkg/info, which should not exist. (And if it
+  does they deserve to have it treated as removable.)
+ */
+
+static void updateSymlinks()
+{
+    QDir lists( listDir );
+    QStringList knownPackages = lists.entryList( "*.list" ); // No tr
+    
+    struct mntent *me;
+    FILE *mntfp = setmntent( "/etc/mtab", "r" );
+
+    if ( mntfp ) {
+        while ( (me = getmntent( mntfp )) != 0 ) {
+            QString root = me->mnt_dir;
+            if ( root == "/" ) 
+                continue;
+
+            QString info = root + "/usr/lib/ipkg/info";
+            QDir infoDir( info );
+            //qDebug( "looking at %s", info.ascii() );
+            if ( infoDir.isReadable() ) {
+                const QFileInfoList *packages = infoDir.entryInfoList( "*.list" ); // No tr
+                QFileInfoListIterator it( *packages );
+                QFileInfo *fi;
+                while (( fi = *it )) {
+                    ++it;
+                    if ( knownPackages.contains( fi->fileName() ) ) {
+                        //qDebug( "found %s and we've seen it before", fi->fileName().latin1() );
+                        knownPackages.remove( fi->fileName() );
+                    } else {
+                        //it's a new one
+                        createSymlinks( root, fi->baseName() );
+                    }
+                    
+                        }       
+                
+            }
+        }
+        endmntent( mntfp );
+    }
+    
+    for ( QStringList::Iterator it = knownPackages.begin(); 
+          it != knownPackages.end(); ++it ) {
+        // strip ".info" off the end.
+        removeSymlinks( (*it).left((*it).length()-5) );
+    }
+}
+
+
+
+int main( int argc, char *argv[] )
+{
+    QApplication a( argc, argv, QApplication::Tty );
+
+    QString command = argc > 1 ? argv[1] : "update"; // No tr
+    
+    if ( command == "update" ) // No tr
+        updateSymlinks();
+    else if ( command == "create" && argc > 3 ) // No tr
+        createSymlinks( argv[2], argv[3] );
+    else if ( command == "remove"  && argc > 2 ) // No tr
+        removeSymlinks( argv[2] );
+    else
+        qWarning( "Argument error" );
+}
diff --git a/core/symlinker/opie-symlinker.control b/core/symlinker/opie-symlinker.control
new file mode 100644
index 0000000..6378653
--- a/dev/null
+++ b/core/symlinker/opie-symlinker.control
@@ -0,0 +1,9 @@
+Package: opie-symlinker
+Files: bin/opie-update-symlinks
+Priority: optional
+Section: opie/system
+Maintainer: Project Opie <opie@handhelds.org>
+Architecture: arm
+Version: $QPE_VERSION-$SUB_VERSION.3
+Depends: task-opie-minimal
+Description: Enables apps on external media
diff --git a/core/symlinker/symlinker.pro b/core/symlinker/symlinker.pro
new file mode 100644
index 0000000..9558b3e
--- a/dev/null
+++ b/core/symlinker/symlinker.pro
@@ -0,0 +1,15 @@
+        TEMPLATE= app
+        CONFIG  += qtopia warn_on release
+        DESTDIR         = $(OPIEDIR)/bin
+
+        HEADERS         = 
+        SOURCES         = main.cpp
+        INTERFACES= 
+
+        TARGET  = opie-update-symlinks
+INCLUDEPATH     += $(OPIEDIR)/include 
+DEPENDPATH      += $(OPIEDIR)/include .
+LIBS            += -lqpe -lopie
+
+include ( $(OPIEDIR)/include.pro )
+