diff options
Diffstat (limited to 'kioslave/media/mediamanager/halbackend.cpp')
| -rw-r--r-- | kioslave/media/mediamanager/halbackend.cpp | 505 |
1 files changed, 474 insertions, 31 deletions
diff --git a/kioslave/media/mediamanager/halbackend.cpp b/kioslave/media/mediamanager/halbackend.cpp index 65c796605..4d6d9b19d 100644 --- a/kioslave/media/mediamanager/halbackend.cpp +++ b/kioslave/media/mediamanager/halbackend.cpp @@ -20,8 +20,10 @@ #include "linuxcdpolling.h" #include <stdlib.h> +#include <locale.h> #include <kapplication.h> +#include <kmessagebox.h> #include <qeventloop.h> #include <qfile.h> #include <klocale.h> @@ -33,9 +35,17 @@ #include <kmountpoint.h> #include <kmessagebox.h> #include <kio/job.h> +#include <kstandarddirs.h> +#include <kprocess.h> -#define MOUNT_SUFFIX (libhal_volume_is_mounted(halVolume) ? QString("_mounted") : QString("_unmounted")) -#define MOUNT_ICON_SUFFIX (libhal_volume_is_mounted(halVolume) ? QString("_mount") : QString("_unmount")) +#define MOUNT_SUFFIX ( \ + (medium->isMounted() ? QString("_mounted") : QString("_unmounted")) + \ + (medium->isEncrypted() ? (halClearVolume ? "_decrypted" : "_encrypted") : "" ) \ + ) +#define MOUNT_ICON_SUFFIX ( \ + (medium->isMounted() ? QString("_mount") : QString("_unmount")) + \ + (medium->isEncrypted() ? (halClearVolume ? "_decrypt" : "_encrypt") : "" ) \ + ) /* Static instance of this class, for static HAL callbacks */ static HALBackend* s_HALBackend; @@ -211,8 +221,15 @@ void HALBackend::AddDevice(const char *udi, bool allowNotification) /* Add volume block devices */ if (libhal_device_query_capability(m_halContext, udi, "volume", NULL)) { - /* We only list volume that have a filesystem or volume that have an audio track*/ - if ( libhal_device_get_property_QString(m_halContext, udi, "volume.fsusage") != "filesystem" && + /* We only list volumes that... + * - are encrypted with LUKS or + * - have a filesystem or + * - have an audio track + */ + if ( ( libhal_device_get_property_QString(m_halContext, udi, "volume.fsusage") != "crypto" || + libhal_device_get_property_QString(m_halContext, udi, "volume.fstype") != "crypto_LUKS" + ) && + libhal_device_get_property_QString(m_halContext, udi, "volume.fsusage") != "filesystem" && !libhal_device_get_property_bool(m_halContext, udi, "volume.disc.has_audio", NULL) && !libhal_device_get_property_bool(m_halContext, udi, "volume.disc.is_blank", NULL) ) return; @@ -232,6 +249,21 @@ void HALBackend::AddDevice(const char *udi, bool allowNotification) /** @todo check exclusion list **/ + /* Special handling for clear crypto volumes */ + LibHalVolume* halVolume = libhal_volume_from_udi(m_halContext, udi); + if (!halVolume) + return; + const char* backingVolumeUdi = libhal_volume_crypto_get_backing_volume_udi(halVolume); + if ( backingVolumeUdi != NULL ) + { + /* The crypto drive was unlocked and may now be mounted... */ + kdDebug(1219) << "HALBackend::AddDevice : ClearVolume appeared for " << backingVolumeUdi << endl; + ResetProperties(backingVolumeUdi, allowNotification); + libhal_volume_free(halVolume); + return; + } + libhal_volume_free(halVolume); + /* Create medium */ Medium* medium = new Medium(udi, ""); setVolumeProperties(medium); @@ -247,6 +279,11 @@ void HALBackend::AddDevice(const char *udi, bool allowNotification) return; } } + + // instert medium into list + m_mediaList.addMedium(medium, allowNotification); + + // finally check for automount QMap<QString,QString> options = MediaManagerUtils::splitOptions(mountoptions(udi)); kdDebug() << "automount " << options["automount"] << endl; if (options["automount"] == "true" && allowNotification ) { @@ -254,7 +291,6 @@ void HALBackend::AddDevice(const char *udi, bool allowNotification) if (!error.isEmpty()) kdDebug() << "error " << error << endl; } - m_mediaList.addMedium(medium, allowNotification); return; } @@ -295,11 +331,18 @@ void HALBackend::AddDevice(const char *udi, bool allowNotification) void HALBackend::RemoveDevice(const char *udi) { - m_mediaList.removeMedium(udi, true); + const Medium *medium = m_mediaList.findByClearUdi(udi); + if (medium) { + ResetProperties(medium->id().ascii()); + } else { + m_mediaList.removeMedium(udi, true); + } } void HALBackend::ModifyDevice(const char *udi, const char* key) { + kdDebug(1219) << "HALBackend::ModifyDevice for '" << udi << "' on '" << key << "'\n"; + const char* mediumUdi = findMediumUdiFromUdi(udi); if (!mediumUdi) return; @@ -381,6 +424,18 @@ const char* HALBackend::findMediumUdiFromUdi(const char* udi) if (libhal_device_property_exists(m_halContext, udi, "info.capabilities", NULL)) if (libhal_device_query_capability(m_halContext, udi, "volume", NULL)) { + /* check if this belongs to an encrypted volume */ + LibHalVolume* halVolume = libhal_volume_from_udi(m_halContext, udi); + if (!halVolume) return NULL; + const char* backingUdi = libhal_volume_crypto_get_backing_volume_udi(halVolume); + if (backingUdi != NULL) { + const char* result = findMediumUdiFromUdi(backingUdi); + libhal_volume_free(halVolume); + return result; + } + libhal_volume_free(halVolume); + + /* this is a volume whose drive is registered */ QString driveUdi = libhal_device_get_property_QString(m_halContext, udi, "block.storage_device"); return findMediumUdiFromUdi(driveUdi.ascii()); } @@ -445,11 +500,47 @@ void HALBackend::setVolumeProperties(Medium* medium) medium->setName( generateName(libhal_volume_get_device_file(halVolume)) ); - medium->mountableState( - libhal_volume_get_device_file(halVolume), /* Device node */ - libhal_volume_get_mount_point(halVolume), /* Mount point */ - libhal_volume_get_fstype(halVolume), /* Filesystem type */ - libhal_volume_is_mounted(halVolume) ); /* Mounted ? */ + LibHalVolume* halClearVolume = NULL; + if ( libhal_device_get_property_QString(m_halContext, udi, "volume.fsusage") == "crypto" ) + { + kdDebug(1219) << "HALBackend::setVolumeProperties : crypto volume" << endl; + + medium->setEncrypted(true); + char* clearUdi = libhal_volume_crypto_get_clear_volume_udi(m_halContext, halVolume); + QString clearUdiString; + if (clearUdi != NULL) { + kdDebug(1219) << "HALBackend::setVolumeProperties : crypto clear volume avail - " << clearUdi << endl; + halClearVolume = libhal_volume_from_udi(m_halContext, clearUdi); + // ignore if halClearVolume is NULL -> just not decrypted in this case + clearUdiString = clearUdi; + libhal_free_string(clearUdi); + } + + if (halClearVolume) + medium->mountableState( + libhal_volume_get_device_file(halVolume), /* Device node */ + clearUdiString, + libhal_volume_get_mount_point(halClearVolume), /* Mount point */ + libhal_volume_get_fstype(halClearVolume), /* Filesystem type */ + libhal_volume_is_mounted(halClearVolume) ); /* Mounted ? */ + else + medium->mountableState( + libhal_volume_get_device_file(halVolume), /* Device node */ + QString::null, + QString::null, /* Mount point */ + QString::null, /* Filesystem type */ + false ); /* Mounted ? */ + } + else + { + kdDebug(1219) << "HALBackend::setVolumeProperties : normal volume" << endl; + medium->mountableState( + libhal_volume_get_device_file(halVolume), /* Device node */ + libhal_volume_get_mount_point(halVolume), /* Mount point */ + libhal_volume_get_fstype(halVolume), /* Filesystem type */ + libhal_volume_is_mounted(halVolume) ); /* Mounted ? */ + } + char* name = libhal_volume_policy_compute_display_name(halDrive, halVolume, m_halStoragePolicy); QString volume_name = QString::fromUtf8(name); @@ -777,13 +868,35 @@ void HALBackend::hal_device_condition(LibHalContext *ctx, const char *udi, QStringList HALBackend::mountoptions(const QString &name) { const Medium* medium = m_mediaList.findById(name); - if (medium && !isInFstab(medium).isNull()) + if (!medium) + return QStringList(); // we don't know about that one + if (!isInFstab(medium).isNull()) return QStringList(); // not handled by HAL - fstab entry + QString volume_udi = name; + if (medium->isEncrypted()) { + // see if we have a clear volume + LibHalVolume* halVolume = libhal_volume_from_udi(m_halContext, medium->id().latin1()); + if (halVolume) { + char* clearUdi = libhal_volume_crypto_get_clear_volume_udi(m_halContext, halVolume); + if (clearUdi != NULL) { + volume_udi = clearUdi; + libhal_free_string(clearUdi); + } else { + // if not decrypted yet then no mountoptions + return QStringList(); + } + libhal_volume_free(halVolume); + } else { + // strange... + return QStringList(); + } + } + KConfig config("mediamanagerrc"); config.setGroup(name); - char ** array = libhal_device_get_property_strlist(m_halContext, name.latin1(), "volume.mount.valid_options", NULL); + char ** array = libhal_device_get_property_strlist(m_halContext, volume_udi.latin1(), "volume.mount.valid_options", NULL); QMap<QString,bool> valids; for (int index = 0; array && array[index]; ++index) { @@ -797,11 +910,11 @@ QStringList HALBackend::mountoptions(const QString &name) QStringList result; QString tmp; - QString fstype = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.fstype"); + QString fstype = libhal_device_get_property_QString(m_halContext, volume_udi.latin1(), "volume.fstype"); if (fstype.isNull()) - fstype = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.policy.mount_filesystem"); + fstype = libhal_device_get_property_QString(m_halContext, volume_udi.latin1(), "volume.policy.mount_filesystem"); - QString drive_udi = libhal_device_get_property_QString(m_halContext, name.latin1(), "block.storage_device"); + QString drive_udi = libhal_device_get_property_QString(m_halContext, volume_udi.latin1(), "block.storage_device"); bool removable = false; if ( !drive_udi.isNull() ) @@ -812,11 +925,11 @@ QStringList HALBackend::mountoptions(const QString &name) bool value = config.readBoolEntry("automount", false); config.setGroup(name); - if (libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_blank", NULL) - || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_vcd", NULL) - || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_svcd", NULL) - || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.is_videodvd", NULL) - || libhal_device_get_property_bool(m_halContext, name.latin1(), "volume.disc.has_audio", NULL)) + if (libhal_device_get_property_bool(m_halContext, volume_udi.latin1(), "volume.disc.is_blank", NULL) + || libhal_device_get_property_bool(m_halContext, volume_udi.latin1(), "volume.disc.is_vcd", NULL) + || libhal_device_get_property_bool(m_halContext, volume_udi.latin1(), "volume.disc.is_svcd", NULL) + || libhal_device_get_property_bool(m_halContext, volume_udi.latin1(), "volume.disc.is_videodvd", NULL) + || libhal_device_get_property_bool(m_halContext, volume_udi.latin1(), "volume.disc.has_audio", NULL)) value = false; result << QString("automount=%1").arg(value ? "true" : "false"); @@ -898,9 +1011,9 @@ QStringList HALBackend::mountoptions(const QString &name) result << tmp; } - QString mount_point = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.mount_point"); + QString mount_point = libhal_device_get_property_QString(m_halContext, volume_udi.latin1(), "volume.mount_point"); if (mount_point.isEmpty()) - mount_point = libhal_device_get_property_QString(m_halContext, name.latin1(), "volume.policy.desired_mount_point"); + mount_point = libhal_device_get_property_QString(m_halContext, volume_udi.latin1(), "volume.policy.desired_mount_point"); mount_point = config.readEntry("mountpoint", mount_point); @@ -958,6 +1071,120 @@ bool HALBackend::setMountoptions(const QString &name, const QStringList &options return true; } +QString startKdeSudoProcess(const QString& kdesudoPath, const QString& command, + const QString& dialogCaption, const QString& dialogComment) +{ + KProcess kdesudoProcess; + + kdesudoProcess << kdesudoPath + << "-d" + << "--noignorebutton" + << "--caption" << dialogCaption + << "--comment" << dialogComment + << "-c" << command; + + // @todo handle kdesudo output + kdesudoProcess.start(KProcess::Block); + + return QString(); +} + +QString startKdeSuProcess(const QString& kdesuPath, const QString& command, + const QString& dialogCaption) +{ + KProcess kdesuProcess; + + kdesuProcess << kdesuPath + << "-d" + << "--noignorebutton" + << "--caption" << dialogCaption + << "-c" << command; + + // @todo handle kdesu output + kdesuProcess.start(KProcess::Block); + + return QString(); +} + +QString startPrivilegedProcess(const QString& command, const QString& dialogCaption, const QString& dialogComment) +{ + QString error; + + QString kdesudoPath = KStandardDirs::findExe("kdesudo"); + + if (!kdesudoPath.isEmpty()) + error = startKdeSudoProcess(kdesudoPath, command, dialogCaption, dialogComment); + else { + QString kdesuPath = KStandardDirs::findExe("kdesu"); + + if (!kdesuPath.isEmpty()) + error = startKdeSuProcess(kdesuPath, command, dialogCaption); + } + + return error; +} + +QString privilegedMount(const char* udi, const char* mountPoint, const char** options, int numberOfOptions) +{ + QString error; + + kdDebug() << "run privileged mount for " << udi << endl; + + QString dbusSendPath = KStandardDirs::findExe("dbus-send"); + + // @todo return error message + if (dbusSendPath.isEmpty()) + return QString(); + + QString mountOptions; + QTextOStream optionsStream(&mountOptions); + for (int optionIndex = 0; optionIndex < numberOfOptions; optionIndex++) { + optionsStream << options[optionIndex]; + if (optionIndex < numberOfOptions - 1) + optionsStream << ","; + } + + QString command; + QTextOStream(&command) << dbusSendPath + << " --system --print-reply --dest=org.freedesktop.Hal " << udi + << " org.freedesktop.Hal.Device.Volume.Mount string:" << mountPoint + << " string: array:string:" << mountOptions; + + kdDebug() << "command: " << command << endl; + + error = startPrivilegedProcess(command, + i18n("Authenticate"), + i18n("<big><b>System policy prevents mounting internal media</b></big><br/>Authentication is required to perform this action. Please enter your password to verify.")); + + return error; +} + +QString privilegedUnmount(const char* udi) +{ + QString error; + + kdDebug() << "run privileged unmount for " << udi << endl; + + QString dbusSendPath = KStandardDirs::findExe("dbus-send"); + + // @todo return error message + if (dbusSendPath.isEmpty()) + return QString(); + + QString command; + QTextOStream(&command) << dbusSendPath + << " --system --print-reply --dest=org.freedesktop.Hal " << udi + << " org.freedesktop.Hal.Device.Volume.Unmount array:string:force"; + + kdDebug() << "command: " << command << endl; + + error = startPrivilegedProcess(command, + i18n("Authenticate"), + i18n("<big><b>System policy prevents unmounting media mounted by other users</b></big><br/>Authentication is required to perform this action. Please enter your password to verify.")); + + return error; +} + static QString mount_priv(const char *udi, const char *mount_point, const char **poptions, int noptions, DBusConnection *dbus_connection) { @@ -992,6 +1219,8 @@ static QString mount_priv(const char *udi, const char *mount_point, const char * qerror = i18n("Invalid filesystem type"); else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.PermissionDenied")) qerror = i18n("Permissions denied"); + else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.PermissionDeniedByPolicy")) + qerror = privilegedMount(udi, mount_point, poptions, noptions); else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.AlreadyMounted")) qerror = i18n("Device is already mounted."); else if ( !strcmp(error.name, "org.freedesktop.Hal.Device.Volume.InvalidMountpoint") && strlen(mount_point)) { @@ -1050,6 +1279,41 @@ QString HALBackend::listUsingProcesses(const Medium* medium) } } +QString HALBackend::killUsingProcesses(const Medium* medium) +{ + QString proclist, fullmsg; + QString cmdline = QString("/usr/bin/env fuser -vmk %1 2>&1").arg(KProcess::quote(medium->mountPoint())); + FILE *fuser = popen(cmdline.latin1(), "r"); + + uint counter = 0; + if (fuser) { + proclist += "<pre>"; + QTextIStream is(fuser); + QString tmp; + while (!is.atEnd()) { + tmp = is.readLine(); + tmp = QStyleSheet::escape(tmp) + "\n"; + + proclist += tmp; + if (counter++ > 10) + { + proclist += "..."; + break; + } + } + proclist += "</pre>"; + (void)pclose( fuser ); + } + if (counter) { + fullmsg = i18n("Programs that were still using the device " + "have been forcibly terminated. They are listed below."); + fullmsg += "<br>" + proclist; + return fullmsg; + } else { + return QString::null; + } +} + void HALBackend::slotResult(KIO::Job *job) { kdDebug() << "slotResult " << mount_jobs[job] << endl; @@ -1148,7 +1412,7 @@ QString HALBackend::mount(const Medium *medium) if (valids["flush"] == "true") soptions << "flush"; - if (valids["uid"] == "true") + if ((valids["uid"] == "true") && (medium->fsType() != "ntfs")) { soptions << QString("uid=%1").arg(getuid()); } @@ -1168,6 +1432,13 @@ QString HALBackend::mount(const Medium *medium) if (valids["sync"] == "true") soptions << "sync"; + if (medium->fsType() == "ntfs") { + QString fsLocale("locale="); + fsLocale += setlocale(LC_ALL, ""); + + soptions << fsLocale; + } + QString mount_point = valids["mountpoint"]; if (mount_point.startsWith("/media/")) mount_point = mount_point.mid(7); @@ -1199,7 +1470,24 @@ QString HALBackend::mount(const Medium *medium) options[noptions] = (*it).latin1(); options[noptions] = NULL; - QString qerror = mount_priv(medium->id().latin1(), mount_point.utf8(), options, noptions, dbus_connection); + QString qerror = i18n("Cannot mount encrypted drives!"); + + if (!medium->isEncrypted()) { + // normal volume + qerror = mount_priv(medium->id().latin1(), mount_point.utf8(), options, noptions, dbus_connection); + } else { + // see if we have a clear volume + LibHalVolume* halVolume = libhal_volume_from_udi(m_halContext, medium->id().latin1()); + if (halVolume) { + char* clearUdi = libhal_volume_crypto_get_clear_volume_udi(m_halContext, halVolume); + if (clearUdi != NULL) { + qerror = mount_priv(clearUdi, mount_point.utf8(), options, noptions, dbus_connection); + libhal_free_string(clearUdi); + } + libhal_volume_free(halVolume); + } + } + if (!qerror.isEmpty()) { kdError() << "mounting " << medium->id() << " returned " << qerror << endl; return qerror; @@ -1266,8 +1554,26 @@ QString HALBackend::unmount(const QString &_udi) DBusMessage *dmesg, *reply; DBusError error; const char *options[2]; + QString udi = QString::null; + + if (!medium->isEncrypted()) { + // normal volume + udi = medium->id(); + } else { + // see if we have a clear volume + LibHalVolume* halVolume = libhal_volume_from_udi(m_halContext, medium->id().latin1()); + if (halVolume) { + char *clearUdi = libhal_volume_crypto_get_clear_volume_udi(m_halContext, halVolume); + udi = clearUdi; + libhal_free_string(clearUdi); + libhal_volume_free(halVolume); + } + } + if (udi.isNull()) { + kdDebug() << "unmount failed: no udi" << endl; + return i18n("Internal Error"); + } - const char *udi = medium->id().latin1(); kdDebug() << "unmounting " << udi << "..." << endl; dbus_error_init(&error); @@ -1278,7 +1584,7 @@ QString HALBackend::unmount(const QString &_udi) return false; } - if (!(dmesg = dbus_message_new_method_call ("org.freedesktop.Hal", udi, + if (!(dmesg = dbus_message_new_method_call ("org.freedesktop.Hal", udi.latin1(), "org.freedesktop.Hal.Device.Volume", "Unmount"))) { kdDebug() << "unmount failed for " << udi << ": could not create dbus message\n"; @@ -1296,11 +1602,25 @@ QString HALBackend::unmount(const QString &_udi) return i18n("Internal Error"); } + char thisunmounthasfailed = 0; dbus_error_init (&error); if (!(reply = dbus_connection_send_with_reply_and_block (dbus_connection, dmesg, -1, &error))) { - QString qerror, reason; + thisunmounthasfailed = 1; + QString qerror, reason, origqerror; + if (!strcmp(error.name, "org.freedesktop.Hal.Device.PermissionDeniedByPolicy")) { + qerror = privilegedUnmount(udi.latin1()); + + if (qerror.isEmpty()) { + dbus_message_unref(dmesg); + dbus_error_free(&error); + return QString(); + } + + // @todo handle unmount error message + } + kdDebug() << "unmount failed for " << udi << ": " << error.name << " " << error.message << endl; qerror = "<qt>"; qerror += "<p>" + i18n("Unfortunately, the device <b>%1</b> (%2) named <b>'%3'</b> and " @@ -1312,6 +1632,7 @@ QString HALBackend::unmount(const QString &_udi) qerror += "<p>" + i18n("Unmounting failed due to the following error:") + "</p>"; if (!strcmp(error.name, "org.freedesktop.Hal.Device.Volume.Busy")) { reason = i18n("Device is Busy:"); + thisunmounthasfailed = 2; } else if (!strcmp(error.name, "org.freedesktop.Hal.Device.Volume.NotMounted")) { // this is faking. The error is that the device wasn't mounted by hal (but by the system) reason = i18n("Permissions denied"); @@ -1319,16 +1640,29 @@ QString HALBackend::unmount(const QString &_udi) reason = error.message; } qerror += "<p><b>" + reason + "</b></p>"; + origqerror = qerror; // Include list of processes (if any) using the device in the error message reason = listUsingProcesses(medium); if (!reason.isEmpty()) { qerror += reason; + if (thisunmounthasfailed == 2) { // Failed as BUSY + if (KMessageBox::warningYesNo(0, i18n("%1<p><b>Would you like to forcibly terminate these processes?</b><br><i>All unsaved data would be lost</i>").arg(qerror)) == KMessageBox::Yes) { + qerror = origqerror; + reason = killUsingProcesses(medium); + qerror = HALBackend::unmount(udi); + if (qerror.isNull()) { + thisunmounthasfailed = 0; + } + } + } } - dbus_message_unref (dmesg); - dbus_error_free (&error); - return qerror; + if (thisunmounthasfailed != 0) { + dbus_message_unref (dmesg); + dbus_error_free (&error); + return qerror; + } } kdDebug() << "unmount queued for " << udi << endl; @@ -1337,8 +1671,117 @@ QString HALBackend::unmount(const QString &_udi) dbus_message_unref (reply); medium->setHalMounted(false); + ResetProperties(medium->id().latin1()); + + while (dbus_connection_dispatch(dbus_connection) == DBUS_DISPATCH_DATA_REMAINS) ; + + return QString(); +} + +QString HALBackend::decrypt(const QString &_udi, const QString &password) +{ + const Medium* medium = m_mediaList.findById(_udi); + if (!medium) + return i18n("No such medium: %1").arg(_udi); + + if (!medium->isEncrypted() || !medium->clearDeviceUdi().isNull()) + return QString(); + + const char *udi = medium->id().latin1(); + DBusMessage *msg = NULL; + DBusMessage *reply = NULL; + DBusError error; + + kdDebug() << "Setting up " << udi << " for crypto\n" <<endl; + + msg = dbus_message_new_method_call ("org.freedesktop.Hal", udi, + "org.freedesktop.Hal.Device.Volume.Crypto", + "Setup"); + if (msg == NULL) { + kdDebug() << "decrypt failed for " << udi << ": could not create dbus message\n"; + return i18n("Internal Error"); + } + + QCString pwdUtf8 = password.utf8(); + const char *pwd_utf8 = pwdUtf8; + if (!dbus_message_append_args (msg, DBUS_TYPE_STRING, &pwd_utf8, DBUS_TYPE_INVALID)) { + kdDebug() << "decrypt failed for " << udi << ": could not append args to dbus message\n"; + dbus_message_unref (msg); + return i18n("Internal Error"); + } + + dbus_error_init (&error); + if (!(reply = dbus_connection_send_with_reply_and_block (dbus_connection, msg, -1, &error)) || + dbus_error_is_set (&error)) + { + QString qerror = i18n("Internal Error"); + kdDebug() << "decrypt failed for " << udi << ": " << error.name << " " << error.message << endl; + if (strcmp (error.name, "org.freedesktop.Hal.Device.Volume.Crypto.SetupPasswordError") == 0) { + qerror = i18n("Wrong password"); + } + dbus_error_free (&error); + dbus_message_unref (msg); + while (dbus_connection_dispatch(dbus_connection) == DBUS_DISPATCH_DATA_REMAINS) ; + return qerror; + } + + dbus_message_unref (msg); + dbus_message_unref (reply); + + while (dbus_connection_dispatch(dbus_connection) == DBUS_DISPATCH_DATA_REMAINS) ; + + return QString(); +} + +QString HALBackend::undecrypt(const QString &_udi) +{ + const Medium* medium = m_mediaList.findById(_udi); + if (!medium) + return i18n("No such medium: %1").arg(_udi); + + if (!medium->isEncrypted() || medium->clearDeviceUdi().isNull()) + return QString(); + + const char *udi = medium->id().latin1(); + DBusMessage *msg = NULL; + DBusMessage *reply = NULL; + DBusError error; + + kdDebug() << "Tear down " << udi << "\n" <<endl; + + msg = dbus_message_new_method_call ("org.freedesktop.Hal", udi, + "org.freedesktop.Hal.Device.Volume.Crypto", + "Teardown"); + if (msg == NULL) { + kdDebug() << "teardown failed for " << udi << ": could not create dbus message\n"; + return i18n("Internal Error"); + } + + if (!dbus_message_append_args (msg, DBUS_TYPE_INVALID)) { + kdDebug() << "teardown failed for " << udi << ": could not append args to dbus message\n"; + dbus_message_unref (msg); + return i18n("Internal Error"); + } + + dbus_error_init (&error); + if (!(reply = dbus_connection_send_with_reply_and_block (dbus_connection, msg, -1, &error)) || + dbus_error_is_set (&error)) + { + QString qerror = i18n("Internal Error"); + kdDebug() << "teardown failed for " << udi << ": " << error.name << " " << error.message << endl; + dbus_error_free (&error); + dbus_message_unref (msg); + while (dbus_connection_dispatch(dbus_connection) == DBUS_DISPATCH_DATA_REMAINS) ; + return qerror; + } + + dbus_message_unref (msg); + dbus_message_unref (reply); + ResetProperties(udi); + while (dbus_connection_dispatch(dbus_connection) == DBUS_DISPATCH_DATA_REMAINS) ; + return QString(); } |