Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 385 insertions, 0 deletions

diff --git a/kdecore/kmountpoint.cpp b/kdecore/kmountpoint.cpp
new file mode 100644
index 000000000..a04780a37
--- /dev/null
+++ b/kdecore/kmountpoint.cpp
@@ -0,0 +1,385 @@
+/*
+ *
+ *  This file is part of the KDE libraries
+ *  Copyright (c) 2003 Waldo Bastian <bastian@kde.org>
+ *
+ * $Id$
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Library General Public
+ *  License version 2 as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Library General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Library General Public License
+ *  along with this library; see the file COPYING.LIB.  If not, write to
+ *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ *  Boston, MA 02110-1301, USA.
+ **/
+
+#include <config.h>
+#include <stdlib.h>
+
+#include <qfile.h>
+
+#include "kstandarddirs.h"
+
+#include "kmountpoint.h"
+
+#ifdef HAVE_VOLMGT
+#include <volmgt.h>
+#endif
+#ifdef HAVE_SYS_MNTTAB_H
+#include <sys/mnttab.h>
+#endif
+#ifdef HAVE_MNTENT_H
+#include <mntent.h>
+#elif defined(HAVE_SYS_MNTENT_H)
+#include <sys/mntent.h>
+#endif
+
+// This is the *BSD branch
+#ifdef HAVE_SYS_MOUNT_H
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_PARAM_H
+#include <sys/param.h>
+#endif
+#include <sys/mount.h>
+#endif
+
+#ifdef HAVE_FSTAB_H
+#include <fstab.h>
+#endif
+#if defined(_AIX)
+#include <sys/mntctl.h>
+#include <sys/vmount.h>
+#include <sys/vfs.h>
+/* AIX does not prototype mntctl anywhere that I can find */
+#ifndef mntctl
+extern "C" {
+int mntctl(int command, int size, void* buffer);
+}
+#endif
+extern "C" struct vfs_ent *getvfsbytype(int vfsType);
+extern "C" void endvfsent( );
+#endif
+
+
+#ifndef HAVE_GETMNTINFO
+# ifdef _PATH_MOUNTED
+// On some Linux, MNTTAB points to /etc/fstab !
+#  undef MNTTAB
+#  define MNTTAB _PATH_MOUNTED
+# else
+#  ifndef MNTTAB
+#   ifdef MTAB_FILE
+#    define MNTTAB MTAB_FILE
+#   else
+#    define MNTTAB "/etc/mnttab"
+#   endif
+#  endif
+# endif
+#endif
+
+
+
+#ifdef _OS_SOLARIS_
+#define FSTAB "/etc/vfstab"
+#else
+#define FSTAB "/etc/fstab"
+#endif
+
+
+
+KMountPoint::KMountPoint()
+{
+}
+
+KMountPoint::~KMountPoint()
+{
+}
+
+#ifdef HAVE_SETMNTENT
+#define SETMNTENT setmntent
+#define ENDMNTENT endmntent
+#define STRUCT_MNTENT struct mntent *
+#define STRUCT_SETMNTENT FILE *
+#define GETMNTENT(file, var) ((var = getmntent(file)) != 0)
+#define MOUNTPOINT(var) var->mnt_dir
+#define MOUNTTYPE(var) var->mnt_type
+#define MOUNTOPTIONS(var) var->mnt_opts
+#define FSNAME(var) var->mnt_fsname
+#else
+#define SETMNTENT fopen
+#define ENDMNTENT fclose
+#define STRUCT_MNTENT struct mnttab
+#define STRUCT_SETMNTENT FILE *
+#define GETMNTENT(file, var) (getmntent(file, &var) == 0)
+#define MOUNTPOINT(var) var.mnt_mountp
+#define MOUNTTYPE(var) var.mnt_fstype
+#define MOUNTOPTIONS(var) var.mnt_mntopts
+#define FSNAME(var) var.mnt_special
+#endif
+
+KMountPoint::List KMountPoint::possibleMountPoints(int infoNeeded)
+{
+  KMountPoint::List result;
+  
+#ifdef HAVE_SETMNTENT
+   STRUCT_SETMNTENT fstab;
+   if ((fstab = SETMNTENT(FSTAB, "r")) == 0)
+      return result;
+
+   STRUCT_MNTENT fe;
+   while (GETMNTENT(fstab, fe))
+   {
+      KMountPoint *mp = new KMountPoint();
+      mp->m_mountedFrom = QFile::decodeName(FSNAME(fe));
+         
+      mp->m_mountPoint = QFile::decodeName(MOUNTPOINT(fe));
+      mp->m_mountType = QFile::decodeName(MOUNTTYPE(fe));
+
+      //Devices using supermount have their device names in the mount options
+      //instead of the device field. That's why we need to read the mount options
+      if (infoNeeded & NeedMountOptions || (mp->m_mountType == "supermount"))
+      {
+         QString options = QFile::decodeName(MOUNTOPTIONS(fe));
+         mp->m_mountOptions = QStringList::split(',', options);
+      }
+
+      if(mp->m_mountType == "supermount")
+         mp->m_mountedFrom = devNameFromOptions(mp->m_mountOptions);
+ 
+      if (infoNeeded & NeedRealDeviceName)
+      {
+         if (mp->m_mountedFrom.startsWith("/"))
+            mp->m_device = KStandardDirs::realPath(mp->m_mountedFrom);
+      }
+      // TODO: Strip trailing '/' ?
+      result.append(mp);
+   }
+   ENDMNTENT(fstab);
+#else
+   QFile f(FSTAB);
+   if ( !f.open(IO_ReadOnly) )
+      return result;
+     
+   QTextStream t (&f);
+   QString s;
+
+   while (! t.eof()) 
+   {
+      s=t.readLine().simplifyWhiteSpace();
+      if ( s.isEmpty() || (s[0] == '#'))
+          continue;
+
+      // not empty or commented out by '#'
+      QStringList item = QStringList::split(' ', s);
+        
+#ifdef _OS_SOLARIS_
+      if (item.count() < 5)
+         continue;
+#else
+      if (item.count() < 4)
+         continue;
+#endif
+
+      KMountPoint *mp = new KMountPoint();
+
+      int i = 0;
+      mp->m_mountedFrom = item[i++];
+#ifdef _OS_SOLARIS_
+      //device to fsck
+      i++;
+#endif
+      mp->m_mountPoint = item[i++];
+      mp->m_mountType = item[i++];
+      QString options = item[i++];
+
+      if (infoNeeded & NeedMountOptions)
+      {
+         mp->m_mountOptions = QStringList::split(',', options);
+      }
+
+      if (infoNeeded & NeedRealDeviceName)
+      {
+         if (mp->m_mountedFrom.startsWith("/"))
+            mp->m_device = KStandardDirs::realPath(mp->m_mountedFrom);
+      }
+      // TODO: Strip trailing '/' ?
+      result.append(mp);
+   } //while
+
+   f.close();
+#endif
+   return result;
+}
+
+KMountPoint::List KMountPoint::currentMountPoints(int infoNeeded)
+{
+  KMountPoint::List result;
+
+#ifdef HAVE_GETMNTINFO
+
+#ifdef GETMNTINFO_USES_STATVFS
+    struct statvfs *mounted;
+#else
+    struct statfs *mounted;
+#endif
+
+    int num_fs = getmntinfo(&mounted, MNT_NOWAIT);
+
+    for (int i=0;i<num_fs;i++) 
+    {
+      KMountPoint *mp = new KMountPoint();
+      mp->m_mountedFrom = QFile::decodeName(mounted[i].f_mntfromname);
+      mp->m_mountPoint = QFile::decodeName(mounted[i].f_mntonname);
+
+#ifdef __osf__
+      mp->m_mountType = QFile::decodeName(mnt_names[mounted[i].f_type]);
+#else
+      mp->m_mountType = QFile::decodeName(mounted[i].f_fstypename);
+#endif      
+
+      if (infoNeeded & NeedMountOptions)
+      {
+         struct fstab *ft = getfsfile(mounted[i].f_mntonname);
+         QString options = QFile::decodeName(ft->fs_mntops);
+         mp->m_mountOptions = QStringList::split(',', options);
+      }
+
+      if (infoNeeded & NeedRealDeviceName)
+      {
+         if (mp->m_mountedFrom.startsWith("/"))
+            mp->m_device = KStandardDirs::realPath(mp->m_mountedFrom);
+      }
+      // TODO: Strip trailing '/' ?
+      result.append(mp);
+   }
+
+#elif defined(_AIX)
+
+    struct vmount *mntctl_buffer;
+    struct vmount *vm;
+    char *mountedfrom;
+    char *mountedto;
+    int fsname_len, num;
+    int buf_sz = 4096;
+
+    mntctl_buffer = (struct vmount*)malloc(buf_sz);
+    num = mntctl(MCTL_QUERY, buf_sz, mntctl_buffer);
+    if (num == 0)
+    {
+	buf_sz = *(int*)mntctl_buffer;
+	free(mntctl_buffer);
+	mntctl_buffer = (struct vmount*)malloc(buf_sz);
+	num = mntctl(MCTL_QUERY, buf_sz, mntctl_buffer);
+    }
+
+    if (num > 0)
+    {
+        /* iterate through items in the vmount structure: */
+        vm = (struct vmount *)mntctl_buffer;
+        for ( ; num > 0; num-- )
+        {
+            /* get the name of the mounted file systems: */
+            fsname_len = vmt2datasize(vm, VMT_STUB);
+            mountedto     = (char*)malloc(fsname_len + 1);
+	    mountedto[fsname_len] = '\0';
+            strncpy(mountedto, (char *)vmt2dataptr(vm, VMT_STUB), fsname_len);
+
+            fsname_len = vmt2datasize(vm, VMT_OBJECT);
+            mountedfrom     = (char*)malloc(fsname_len + 1);
+	    mountedfrom[fsname_len] = '\0';
+            strncpy(mountedfrom, (char *)vmt2dataptr(vm, VMT_OBJECT), fsname_len);
+
+	    /* Look up the string for the file system type,
+             * as listed in /etc/vfs.
+             * ex.: nfs,jfs,afs,cdrfs,sfs,cachefs,nfs3,autofs
+             */
+            struct vfs_ent* ent = getvfsbytype(vm->vmt_gfstype);
+
+            KMountPoint *mp = new KMountPoint();
+            mp->m_mountedFrom = QFile::decodeName(mountedfrom);
+            mp->m_mountPoint = QFile::decodeName(mountedto);
+            mp->m_mountType = QFile::decodeName(ent->vfsent_name);
+
+            free(mountedfrom);
+            free(mountedto);
+
+            if (infoNeeded & NeedMountOptions)
+            {
+              // TODO
+            }
+
+            if (infoNeeded & NeedRealDeviceName)
+            {
+               if (mp->m_mountedFrom.startsWith("/"))
+                  mp->m_device = KStandardDirs::realPath(mp->m_mountedFrom);
+            }
+            
+            result.append(mp);
+
+            /* goto the next vmount structure: */
+            vm = (struct vmount *)((char *)vm + vm->vmt_length);
+        }
+
+	endvfsent( );
+    }
+
+    free( mntctl_buffer );
+#elif defined(Q_WS_WIN)
+    //TODO?
+#else
+   STRUCT_SETMNTENT mnttab;
+   if ((mnttab = SETMNTENT(MNTTAB, "r")) == 0)
+      return result;
+
+   STRUCT_MNTENT fe;
+   while (GETMNTENT(mnttab, fe))
+   {
+      KMountPoint *mp = new KMountPoint();
+      mp->m_mountedFrom = QFile::decodeName(FSNAME(fe));
+         
+      mp->m_mountPoint = QFile::decodeName(MOUNTPOINT(fe));
+      mp->m_mountType = QFile::decodeName(MOUNTTYPE(fe));
+      
+      //Devices using supermount have their device names in the mount options
+      //instead of the device field. That's why we need to read the mount options 
+      if (infoNeeded & NeedMountOptions || (mp->m_mountType == "supermount"))
+      {
+         QString options = QFile::decodeName(MOUNTOPTIONS(fe));
+         mp->m_mountOptions = QStringList::split(',', options);
+      }
+
+      if (mp->m_mountType == "supermount")
+         mp->m_mountedFrom = devNameFromOptions(mp->m_mountOptions);
+
+      if (infoNeeded & NeedRealDeviceName)
+      {
+         if (mp->m_mountedFrom.startsWith("/"))
+            mp->m_device = KStandardDirs::realPath(mp->m_mountedFrom);
+      }
+      // TODO: Strip trailing '/' ?
+      result.append(mp);
+   }
+   ENDMNTENT(mnttab);
+#endif
+   return result;
+}
+
+QString KMountPoint::devNameFromOptions(const QStringList &options)
+{
+   // Search options to find the device name
+   for ( QStringList::ConstIterator it = options.begin(); it != options.end(); ++it)
+   {
+      if( (*it).startsWith("dev="))
+         return QString(*it).remove("dev=");
+   } 
+   return QString("none");
+}