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Diffstat (limited to 'tdecore/kmountpoint.cpp')
-rw-r--r-- | tdecore/kmountpoint.cpp | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/tdecore/kmountpoint.cpp b/tdecore/kmountpoint.cpp new file mode 100644 index 000000000..764f085a0 --- /dev/null +++ b/tdecore/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 <tqfile.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 = TQFile::decodeName(FSNAME(fe)); + + mp->m_mountPoint = TQFile::decodeName(MOUNTPOINT(fe)); + mp->m_mountType = TQFile::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")) + { + TQString options = TQFile::decodeName(MOUNTOPTIONS(fe)); + mp->m_mountOptions = TQStringList::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 + TQFile f(FSTAB); + if ( !f.open(IO_ReadOnly) ) + return result; + + TQTextStream t (&f); + TQString s; + + while (! t.eof()) + { + s=t.readLine().simplifyWhiteSpace(); + if ( s.isEmpty() || (s[0] == '#')) + continue; + + // not empty or commented out by '#' + TQStringList item = TQStringList::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++]; + TQString options = item[i++]; + + if (infoNeeded & NeedMountOptions) + { + mp->m_mountOptions = TQStringList::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 = TQFile::decodeName(mounted[i].f_mntfromname); + mp->m_mountPoint = TQFile::decodeName(mounted[i].f_mntonname); + +#ifdef __osf__ + mp->m_mountType = TQFile::decodeName(mnt_names[mounted[i].f_type]); +#else + mp->m_mountType = TQFile::decodeName(mounted[i].f_fstypename); +#endif + + if (infoNeeded & NeedMountOptions) + { + struct fstab *ft = getfsfile(mounted[i].f_mntonname); + TQString options = TQFile::decodeName(ft->fs_mntops); + mp->m_mountOptions = TQStringList::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 = TQFile::decodeName(mountedfrom); + mp->m_mountPoint = TQFile::decodeName(mountedto); + mp->m_mountType = TQFile::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 = TQFile::decodeName(FSNAME(fe)); + + mp->m_mountPoint = TQFile::decodeName(MOUNTPOINT(fe)); + mp->m_mountType = TQFile::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")) + { + TQString options = TQFile::decodeName(MOUNTOPTIONS(fe)); + mp->m_mountOptions = TQStringList::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; +} + +TQString KMountPoint::devNameFromOptions(const TQStringList &options) +{ + // Search options to find the device name + for ( TQStringList::ConstIterator it = options.begin(); it != options.end(); ++it) + { + if( (*it).startsWith("dev=")) + return TQString(*it).remove("dev="); + } + return TQString("none"); +} |