bump version toö 0.8.2-1

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "proxmox-backup"
-version = "0.4.0"
+version = "0.8.2"
 authors = ["Dietmar Maurer <dietmar@proxmox.com>"]
 edition = "2018"
 license = "AGPL-3"
@@ -38,7 +38,7 @@ pam-sys = "0.5"
 percent-encoding = "2.1"
 pin-utils = "0.1.0"
 pathpatterns = "0.1.1"
-proxmox = { version = "0.1.41", features = [ "sortable-macro", "api-macro" ] }
+proxmox = { version = "0.1.42", features = [ "sortable-macro", "api-macro" ] }
 #proxmox = { git = "ssh://gitolite3@proxdev.maurer-it.com/rust/proxmox", version = "0.1.2", features = [ "sortable-macro", "api-macro" ] }
 #proxmox = { path = "../proxmox/proxmox", features = [ "sortable-macro", "api-macro" ] }
 proxmox-fuse = "0.1.0"

Makefile

@@ -37,11 +37,15 @@ CARGO ?= cargo
 COMPILED_BINS := \
 	$(addprefix $(COMPILEDIR)/,$(USR_BIN) $(USR_SBIN) $(SERVICE_BIN))
 
+export DEB_VERSION DEB_VERSION_UPSTREAM
+
 SERVER_DEB=${PACKAGE}-server_${DEB_VERSION}_${ARCH}.deb
+SERVER_DBG_DEB=${PACKAGE}-server-dbgsym_${DEB_VERSION}_${ARCH}.deb
 CLIENT_DEB=${PACKAGE}-client_${DEB_VERSION}_${ARCH}.deb
+CLIENT_DBG_DEB=${PACKAGE}-client-dbgsym_${DEB_VERSION}_${ARCH}.deb
 DOC_DEB=${PACKAGE}-docs_${DEB_VERSION}_all.deb
 
-DEBS=${SERVER_DEB} ${CLIENT_DEB}
+DEBS=${SERVER_DEB} ${SERVER_DBG_DEB} ${CLIENT_DEB} ${CLIENT_DBG_DEB}
 
 DSC = rust-${PACKAGE}_${DEB_VERSION}.dsc
 
@@ -56,7 +60,7 @@ $(SUBDIRS):
 test:
 	#cargo test test_broadcast_future
 	#cargo test $(CARGO_BUILD_ARGS)
-	$(CARGO) test $(tests) $(CARGO_BUILD_ARGS)
+	#$(CARGO) test $(tests) $(CARGO_BUILD_ARGS)
 
 doc:
 	$(CARGO) doc --no-deps $(CARGO_BUILD_ARGS)
@@ -140,5 +144,5 @@ install: $(COMPILED_BINS)
 upload: ${SERVER_DEB} ${CLIENT_DEB} ${DOC_DEB}
 	# check if working directory is clean
 	git diff --exit-code --stat && git diff --exit-code --stat --staged
-	tar cf - ${SERVER_DEB} ${DOC_DEB} | ssh -X repoman@repo.proxmox.com upload --product pbs --dist buster
+	tar cf - ${SERVER_DEB} ${SERVER_DBG_DEB} ${DOC_DEB} | ssh -X repoman@repo.proxmox.com upload --product pbs --dist buster
-	tar cf - ${CLIENT_DEB} | ssh -X repoman@repo.proxmox.com upload --product "pbs,pve" --dist buster
+	tar cf - ${CLIENT_DEB} ${CLIENT_DBG_DEB} | ssh -X repoman@repo.proxmox.com upload --product "pbs,pve" --dist buster

debian/changelog

@@ -1,3 +1,77 @@
+rust-proxmox-backup (0.8.2-1) unstable; urgency=medium
+
+  * buildsys: also upload debug packages
+
+  * src/backup/manifest.rs: rename into_string -> to_string
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 09 Jul 2020 11:58:51 +0200
+
+rust-proxmox-backup (0.8.1-1) unstable; urgency=medium
+
+  * remove authhenticated data blobs (not needed)
+
+  * add signature to manifest
+
+  * improve docs
+
+  * client: introduce --keyfd parameter
+
+  * ui improvements
+
+ -- Proxmox Support Team <support@proxmox.com>  Thu, 09 Jul 2020 10:01:25 +0200
+
+rust-proxmox-backup (0.8.0-1) unstable; urgency=medium
+
+  * implement  get_runtime_with_builder
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 07 Jul 2020 10:15:26 +0200
+
+rust-proxmox-backup (0.7.0-1) unstable; urgency=medium
+
+  *  implement clone for RemoteChunkReader
+
+  * improve docs
+
+  * client: add --encryption boolen parameter
+
+  * client: use default encryption key if it is available
+
+  * d/rules: do not compress .pdf files
+
+  * ui: various fixes
+
+  * add beta text with link to bugtracker
+
+ -- Proxmox Support Team <support@proxmox.com>  Tue, 07 Jul 2020 07:40:05 +0200
+
+rust-proxmox-backup (0.6.0-1) unstable; urgency=medium
+
+  * make ReadChunk not require mutable self.
+
+  * ui: increase timeout for snapshot listing
+
+  * ui: consistently spell Datastore without space between words
+
+  * ui: disk create: sync and improve 'add-datastore' checkbox label
+
+  * proxmox-backup-client: add benchmark command
+
+  * pxar: fixup 'vanished-file' logic a bit
+
+  * ui: add verify button
+
+ -- Proxmox Support Team <support@proxmox.com>  Fri, 03 Jul 2020 09:45:52 +0200
+
+rust-proxmox-backup (0.5.0-1) unstable; urgency=medium
+
+  * partially revert commit 1f82f9b7b5d231da22a541432d5617cb303c0000
+
+  * ui: allow to Forget (delete) backup snapshots
+
+  * pxar: deal with files changing size during archiving
+
+ -- Proxmox Support Team <support@proxmox.com>  Mon, 29 Jun 2020 13:00:54 +0200
+
 rust-proxmox-backup (0.4.0-1) unstable; urgency=medium
 
   * change api for incremental backups mode

debian/control.in

@@ -3,11 +3,14 @@ Architecture: any
 Depends: fonts-font-awesome,
          libjs-extjs (>= 6.0.1),
          libzstd1 (>= 1.3.8),
+         lvm2,
          proxmox-backup-docs,
          proxmox-mini-journalreader,
          proxmox-widget-toolkit (>= 2.2-4),
+         smartmontools,
          ${misc:Depends},
          ${shlibs:Depends},
+Recommends: zfsutils-linux,
 Description: Proxmox Backup Server daemon with tools and GUI
  This package contains the Proxmox Backup Server daemons and related
  tools. This includes a web-based graphical user interface.

debian/lintian-overrides

@@ -0,0 +1 @@
+proxmox-backup-server: package-installs-apt-sources etc/apt/sources.list.d/pbstest-beta.list

debian/proxmox-backup-docs.link

@@ -0,0 +1 @@
+/usr/share/doc/proxmox-backup/proxmox-backup.pdf /usr/share/doc/proxmox-backup/docs/proxmox-backup.pdf

debian/proxmox-backup-server.install

@@ -1,6 +1,7 @@
 etc/proxmox-backup-proxy.service /lib/systemd/system/
 etc/proxmox-backup.service /lib/systemd/system/
 etc/proxmox-backup-banner.service /lib/systemd/system/
+etc/pbstest-beta.list /etc/apt/sources.list.d/
 usr/lib/x86_64-linux-gnu/proxmox-backup/proxmox-backup-api
 usr/lib/x86_64-linux-gnu/proxmox-backup/proxmox-backup-proxy
 usr/lib/x86_64-linux-gnu/proxmox-backup/proxmox-backup-banner

debian/rules

@@ -45,3 +45,6 @@ override_dh_installsystemd:
 # TODO: remove once available (Debian 11 ?)
 override_dh_dwz:
 	dh_dwz --no-dwz-multifile
+
+override_dh_compress:
+	dh_compress -X.pdf

docs/Makefile

@@ -1,11 +1,5 @@
 include ../defines.mk
 
-ifeq ($(BUILD_MODE), release)
-COMPILEDIR := ../target/release
-else
-COMPILEDIR := ../target/debug
-endif
-
 GENERATED_SYNOPSIS := 						\
 	proxmox-backup-client/synopsis.rst			\
 	proxmox-backup-client/catalog-shell-synopsis.rst 	\
@@ -26,6 +20,15 @@ SPHINXOPTS    =
 SPHINXBUILD   = sphinx-build
 BUILDDIR      = output
 
+ifeq ($(BUILD_MODE), release)
+COMPILEDIR := ../target/release
+SPHINXOPTS    += -t release
+else
+COMPILEDIR := ../target/debug
+SPHINXOPTS    += -t devbuild
+endif
+
+
 # Sphinx internal variables.
 ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(SPHINXOPTS) .
 

docs/administration-guide.rst

@@ -1,9 +1,8 @@
-Administration Guide
+Backup Management
-====================
+=================
 
-The administration guide.
+.. The administration guide.
-
+ .. todo:: either add a bit more explanation or remove the previous sentence
-.. todo:: either add a bit more explanation or remove the previous sentence
 
 Terminology
 -----------
@@ -13,16 +12,16 @@ Backup Content
 
 When doing deduplication, there are different strategies to get
 optimal results in terms of performance and/or deduplication rates.
-Depending on the type of data, one can split data into *fixed* or *variable*
+Depending on the type of data, it can be split into *fixed* or *variable*
 sized chunks.
 
-Fixed sized chunking needs almost no CPU performance, and is used to
+Fixed sized chunking requires minimal CPU power, and is used to
 backup virtual machine images.
 
 Variable sized chunking needs more CPU power, but is essential to get
 good deduplication rates for file archives.
 
-The backup server supports both strategies.
+The Proxmox Backup Server supports both strategies.
 
 
 File Archives: ``<name>.pxar``
@@ -31,7 +30,7 @@ File Archives: ``<name>.pxar``
 .. see https://moinakg.wordpress.com/2013/06/22/high-performance-content-defined-chunking/
 
 A file archive stores a full directory tree. Content is stored using
-the :ref:`pxar-format`, split into variable sized chunks. The format
+the :ref:`pxar-format`, split into variable-sized chunks. The format
 is optimized to achieve good deduplication rates.
 
 
@@ -39,7 +38,7 @@ Image Archives: ``<name>.img``
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 This is used for virtual machine images and other large binary
-data. Content is split into fixed sized chunks.
+data. Content is split into fixed-sized chunks.
 
 
 Binary Data (BLOBs)
@@ -56,7 +55,7 @@ Catalog File: ``catalog.pcat1``
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 The catalog file is an index for file archives. It contains
-the list of files and is used to speed-up search operations.
+the list of files and is used to speed up search operations.
 
 
 The Manifest: ``index.json``
@@ -74,12 +73,12 @@ The backup server groups backups by *type*, where *type* is one of:
 
 ``vm``
     This type is used for :term:`virtual machine`\ s. Typically
-    contains the virtual machine's configuration and an image archive
+    consists of the virtual machine's configuration file and an image archive
     for each disk.
 
 ``ct``
-    This type is used for :term:`container`\ s. Contains the container's
+    This type is used for :term:`container`\ s. Consists of the container's
-    configuration and a single file archive for the container content.
+    configuration and a single file archive for the filesystem content.
 
 ``host``
     This type is used for backups created from within the backed up machine.
@@ -90,7 +89,7 @@ The backup server groups backups by *type*, where *type* is one of:
 Backup ID
 ~~~~~~~~~
 
-An unique ID. Usually the virtual machine or container ID. ``host``
+A unique ID. Usually the virtual machine or container ID. ``host``
 type backups normally use the hostname.
 
 
@@ -122,6 +121,13 @@ uniquely identifies a specific backup within a datastore.
 As you can see, the time format is RFC3399_ with Coordinated
 Universal Time (UTC_, identified by the trailing *Z*).
 
+Backup Server Management
+------------------------
+
+The command line tool to configure and manage the backup server is called
+:command:`proxmox-backup-manager`.
+
+
 
 :term:`DataStore`
 ~~~~~~~~~~~~~~~~~
@@ -134,20 +140,13 @@ Datastores are identified by a simple *ID*. You can configure it
 when setting up the backup server.
 
 
-Backup Server Management
-------------------------
-
-The command line tool to configure and manage the backup server is called
-:command:`proxmox-backup-manager`.
-
 
 Datastore Configuration
 ~~~~~~~~~~~~~~~~~~~~~~~
 
-A :term:`datastore` is a place to store backups. You can configure
+You can configure multiple datastores. Minimum one datastore needs to be
-multiple datastores. At least one datastore needs to be
+configured. The datastore is identified by a simple `name` and points to a
-configured. The datastore is identified by a simple `name` and points
+directory on the filesystem.
-to a directory.
 
 The following command creates a new datastore called ``store1`` on :file:`/backup/disk1/store1`
 
@@ -179,17 +178,58 @@ Finally, it is possible to remove the datastore configuration:
 File Layout
 ^^^^^^^^^^^
 
-.. todo:: Add datastore file layout example
+After creating a datastore, the following default layout will appear:
+
+.. code-block:: console
+
+  # ls -arilh /backup/disk1/store1
+  276493 -rw-r--r-- 1 backup backup       0 Jul  8 12:35 .lock
+  276490 drwxr-x--- 1 backup backup 1064960 Jul  8 12:35 .chunks
+
+`.lock` is an empty file used for process locking.
+
+The `.chunks` directory contains folders, starting from `0000` and taking hexadecimal values until `ffff`. These
+directories will store the chunked data after a backup operation has been executed.
+
+.. code-block:: console
+
+ # ls -arilh /backup/disk1/store1/.chunks
+ 545824 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 ffff
+ 545823 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 fffe
+ 415621 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 fffd
+ 415620 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 fffc
+ 353187 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 fffb
+ 344995 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 fffa
+ 144079 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 fff9
+ 144078 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 fff8
+ 144077 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 fff7
+ ...
+ 403180 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 000c
+ 403179 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 000b
+ 403177 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 000a
+ 402530 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 0009
+ 402513 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 0008
+ 402509 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 0007
+ 276509 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 0006
+ 276508 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 0005
+ 276507 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 0004
+ 276501 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 0003
+ 276499 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 0002
+ 276498 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 0001
+ 276494 drwxr-x--- 2 backup backup 4.0K Jul  8 12:35 0000
+ 276489 drwxr-xr-x 3 backup backup 4.0K Jul  8 12:35 ..
+ 276490 drwxr-x--- 1 backup backup 1.1M Jul  8 12:35 .
+
 
 
 User Management
 ~~~~~~~~~~~~~~~
 
-Proxmox Backup support several authentication realms, and you need to
+Proxmox Backup Server supports several authentication realms, and you need to
 choose the realm when you add a new user. Possible realms are:
 
 :pam: Linux PAM standard authentication. Use this if you want to
-      authenticate as Linux system user (Users needs to exist on the
+      authenticate as Linux system user (Users need to exist on the
       system).
 
 :pbs: Proxmox Backup Server realm. This type stores hashed passwords in
@@ -216,8 +256,8 @@ normally want to add other users with less privileges:
 
   # proxmox-backup-manager user create john@pbs --email john@example.com
 
-The create command lets you specify many option like ``--email`` or
+The create command lets you specify many options like ``--email`` or
-``--password``, but you can update or change any of them using the
+``--password``. You can update or change any of them using the
 update command later:
 
 .. code-block:: console
@@ -225,11 +265,10 @@ update command later:
   # proxmox-backup-manager user update john@pbs --firstname John --lastname Smith
   # proxmox-backup-manager user update john@pbs --comment "An example user."
 
-
 .. todo:: Mention how to set password without passing plaintext password as cli argument.
 
 
-The resulting use list looks like this:
+The resulting user list looks like this:
 
 .. code-block:: console
 
@@ -242,16 +281,16 @@ The resulting use list looks like this:
   │ root@pam │      1 │        │           │          │                  │ Superuser        │
   └──────────┴────────┴────────┴───────────┴──────────┴──────────────────┴──────────────────┘
 
-Newly created users do not have an permissions. Please read the next
+Newly created users do not have any permissions. Please read the next
 section to learn how to set access permissions.
 
-If you want to disable an user account, you can do that by setting ``--enable`` to ``0``
+If you want to disable a user account, you can do that by setting ``--enable`` to ``0``
 
 .. code-block:: console
 
   # proxmox-backup-manager user update john@pbs --enable 0
 
-Or completely remove the users with:
+Or completely remove the user with:
 
 .. code-block:: console
 
@@ -261,20 +300,20 @@ Or completely remove the users with:
 Access Control
 ~~~~~~~~~~~~~~
 
-Users do not have any permission by default. Instead you need to
+By default new users do not have any permission. Instead you need to
-specify what is allowed and what not. You can do this by assigning
+specify what is allowed and what is not. You can do this by assigning
 roles to users on specific objects like datastores or remotes. The
 following roles exist:
 
+**NoAccess**
+  Disable Access - nothing is allowed.
+
 **Admin**
   The Administrator can do anything.
 
 **Audit**
   An Auditor can view things, but is not allowed to change settings.
 
-**NoAccess**
-  Disable Access - nothing is allowed.
-
 **DatastoreAdmin**
   Can do anything on datastores.
 
@@ -301,7 +340,6 @@ following roles exist:
   Is allowed to read data from a remote.
 
 
-
 Backup Client usage
 -------------------
 
@@ -316,8 +354,8 @@ on the backup server.
 
   [[username@]server:]datastore
 
-The default value for ``username`` ist ``root``. If no server is specified, the
+The default value for ``username`` ist ``root``.  If no server is specified,
-default is the local host (``localhost``).
+the default is the local host (``localhost``).
 
 You can pass the repository with the ``--repository`` command
 line option, or by setting the ``PBS_REPOSITORY`` environment
@@ -381,7 +419,7 @@ This section explains how to create a backup from within the machine. This can
 be a physical host, a virtual machine, or a container. Such backups may contain file
 and image archives. There are no restrictions in this case.
 
-.. note:: If you want to backup virtual machines or containers on Proxmov VE, see :ref:`pve-integration`.
+.. note:: If you want to backup virtual machines or containers on Proxmox VE, see :ref:`pve-integration`.
 
 For the following example you need to have a backup server set up, working
 credentials and need to know the repository name.
@@ -896,7 +934,3 @@ After that you should be able to see storage status with:
 .. include:: command-line-tools.rst
 
 .. include:: services.rst
-
-.. include host system admin at the end
-
-.. include:: sysadmin.rst

docs/conf.py

@@ -17,7 +17,7 @@
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
-# import os
+import os
 # import sys
 # sys.path.insert(0, os.path.abspath('.'))
 
@@ -45,8 +45,11 @@ PygmentsBridge.latex_formatter = CustomLatexFormatter
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
+
 extensions = ["sphinx.ext.graphviz", "sphinx.ext.todo"]
 
+todo_link_only = True
+
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 
@@ -76,9 +79,11 @@ author = 'Proxmox Support Team'
 # built documents.
 #
 # The short X.Y version.
-version = '0.2'
+vstr = lambda s: '<devbuild>' if s is None else str(s)
+
+version = vstr(os.getenv('DEB_VERSION_UPSTREAM'))
 # The full version, including alpha/beta/rc tags.
-release = '0.2-1'
+release = vstr(os.getenv('DEB_VERSION'))
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -107,7 +112,7 @@ exclude_patterns = [
     'pxar/man1.rst',
     'epilog.rst',
     'pbs-copyright.rst',
-    'sysadmin.rst',
+    'local-zfs.rst'
     'package-repositories.rst',
 ]
 

docs/epilog.rst

@@ -11,8 +11,10 @@
 .. _Container: https://en.wikipedia.org/wiki/Container_(virtualization)
 .. _Zstandard: https://en.wikipedia.org/wiki/Zstandard
 .. _Proxmox: https://www.proxmox.com
+.. _Proxmox Community Forum: https://forum.proxmox.com
 .. _Proxmox Virtual Environment: https://www.proxmox.com/proxmox-ve
 .. _Proxmox Backup: https://www.proxmox.com/proxmox-backup
+.. _PBS Development List: https://lists.proxmox.com/cgi-bin/mailman/listinfo/pbs-devel
 .. _reStructuredText: https://www.sphinx-doc.org/en/master/usage/restructuredtext/index.html
 .. _Rust: https://www.rust-lang.org/
 .. _SHA-256: https://en.wikipedia.org/wiki/SHA-2

docs/index.rst

@@ -1,18 +1,15 @@
 .. Proxmox Backup documentation master file
 
-Welcome to Proxmox Backup's documentation!
+Welcome to the Proxmox Backup documentation!
-==========================================
+============================================
 
-Copyright (C) 2019 Proxmox Server Solutions GmbH
+Copyright (C) 2019-2020 Proxmox Server Solutions GmbH
 
-Permission is granted to copy, distribute and/or modify this document
+Permission is granted to copy, distribute and/or modify this document under the
-under the terms of the GNU Free Documentation License, Version 1.3 or
+terms of the GNU Free Documentation License, Version 1.3 or any later version
-any later version published by the Free Software Foundation; with no
+published by the Free Software Foundation; with no Invariant Sections, no
-Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A
+Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included
-copy of the license is included in the section entitled "GNU Free
+in the section entitled "GNU Free Documentation License".
-Documentation License".
-
-.. todolist::
 
 
 .. toctree::
@@ -22,6 +19,7 @@ Documentation License".
    introduction.rst
    installation.rst
    administration-guide.rst
+   sysadmin.rst
 
 .. raw:: latex
 
@@ -37,5 +35,14 @@ Documentation License".
    glossary.rst
    GFDL.rst
 
+.. only:: html and devbuild
+
+    .. toctree::
+       :maxdepth: 2
+       :caption: Developer Appendix
+
+       todos.rst
+
+
 * :ref:`genindex`
 

docs/introduction.rst

@@ -1,101 +1,102 @@
 Introduction
 ============
 
-This documentation is written in :term:`reStructuredText` and formatted with :term:`Sphinx`.
+What is Proxmox Backup Server
+-----------------------------
 
+Proxmox Backup Server is an enterprise-class client-server backup software that
+backups :term:`virtual machine`\ s, :term:`container`\ s, and physical hosts.
+It is specially optimized for the `Proxmox Virtual Environment`_ platform and
+allows you to backup your data securely, even between remote sites, providing
+easy management with a web-based user interface.
 
-What is Proxmox Backup
+Proxmox Backup Server supports deduplication, compression, and authenticated
-----------------------
+encryption (AE_). Using :term:`Rust` as implementation language guarantees high
-
-Proxmox Backup is an enterprise class client-server backup software,
-specially optimized for the `Proxmox Virtual Environment`_ to backup
-:term:`virtual machine`\ s and :term:`container`\ s. It is also
-possible to backup physical hosts.
-
-It supports deduplication, compression and authenticated encryption
-(AE_). Using :term:`Rust` as implementation language guarantees high
 performance, low resource usage, and a safe, high quality code base.
 
-Encryption is done at the client side. This makes backups to not fully
+It features strong encryption done on the client side. Thus, it's possible to
-trusted targets possible.
+backup data to not fully trusted targets.
 
 
 Architecture
 ------------
 
-Proxmox Backup uses a `Client-server model`_. The server is
+Proxmox Backup Server uses a `client-server model`_. The server stores the
-responsible to store the backup data and provides an API to create
+backup data and provides an API to create backups and restore data. With the
-backups and restore data. It is possible to manage disks and
+API it's also possible to manage disks and other server side resources.
-other server side resources using this API.
 
-A backup client uses this API to access the backed up data,
+The backup client uses this API to access the backed up data. With the command
-i.e. ``proxmox-backup-client`` is a command line tool to create
+line tool ``proxmox-backup-client`` you can create backups and restore data.
-backups and restore data. We deliver an integrated client for
+For QEMU_ with `Proxmox Virtual Environment`_ we deliver an integrated client.
-QEMU_ with `Proxmox Virtual Environment`_.
 
-A single backup is allowed to contain several archives. For example,
+A single backup is allowed to contain several archives. For example, when you
-when you backup a :term:`virtual machine`, each disk is stored as a
+backup a :term:`virtual machine`, each disk is stored as a separate archive
-separate archive inside that backup. The VM configuration also gets an
+inside that backup. The VM configuration itself is stored as an extra file.
-extra file. This way, it is easy to access and restore important parts
+This way, it is easy to access and restore only important parts of the backup
-of the backup without having to scan the whole backup.
+without the need to scan the whole backup.
 
 
 Main Features
 -------------
 
-:Proxmox VE: The `Proxmox Virtual Environment`_ is fully
+:Support for Proxmox VE: The `Proxmox Virtual Environment`_ is fully
-   supported. You can backup :term:`virtual machine`\ s and
+   supported and you can easily backup :term:`virtual machine`\ s and
    :term:`container`\ s.
 
-:GUI: We provide a graphical, web based user interface.
+:Performance: The whole software stack is written in :term:`Rust`,
+   to provide high speed and memory efficiency.
 
-:Deduplication: Incremental backups produce large amounts of duplicate
+:Deduplication: Periodic backups produce large amounts of duplicate
-   data. The deduplication layer removes that redundancy and makes
+   data. The deduplication layer avoids redundancy and minimizes the used
-   incremental backups small and space efficient.
+   storage space.
 
-:Data Integrity: The built in `SHA-256`_ checksum algorithm assures the
+:Incremental backups: Changes between backups are typically low. Reading and
+   sending only the delta reduces storage and network impact of backups.
+
+:Data Integrity: The built-in `SHA-256`_ checksum algorithm assures the
    accuracy and consistency of your backups.
 
 :Remote Sync: It is possible to efficiently synchronize data to remote
    sites. Only deltas containing new data are transferred.
 
-:Performance: The whole software stack is written in :term:`Rust`,
+:Compression: The ultra fast Zstandard_ compression is able to compress
-   to provide high speed and memory efficiency.
-
-:Compression: Ultra fast Zstandard_ compression is able to compress
    several gigabytes of data per second.
 
-:Encryption: Backups can be encrypted client-side using AES-256 in
+:Encryption: Backups can be encrypted on the client-side using AES-256 in
-   GCM_ mode. This authenticated encryption mode (AE_) provides very
+   Galois/Counter Mode (GCM_) mode. This authenticated encryption (AE_) mde
-   high performance on modern hardware.
+   provides very high performance on modern hardware.
 
-:Open Source: No secrets. You have access to all the source code.
+:Web interface: Manage the Proxmox Backup Server with the integrated web-based
+   user interface.
 
-:Support: Commercial support options are available from `Proxmox`_.
+:Open Source: No secrets. Proxmox Backup Server is free and open-source
+   software. The source code is licensed under AGPL, v3.
+
+:Support: Enterprise support will be available from `Proxmox`_ once the beta
+   phase is over.
 
 
-Why Backup?
+Reasons for Data Backup?
------------
+------------------------
 
-The primary purpose of a backup is to protect against data loss. Data
+The main purpose of a backup is to protect against data loss. Data loss can be
-loss can be caused by faulty hardware, but also by human error.
+caused by faulty hardware but also by human error.
 
-A common mistake is to delete a file or folder which is still
+A common mistake is to accidentally delete a file or folder which is still
-required. Virtualization can amplify this problem. It is now
+required. Virtualization can even amplify this problem; it easily happens that
-easy to delete a whole virtual machine by pressing a single button.
+a whole virtual machine is deleted by just pressing a single button.
 
-Backups can serve as a toolkit for administrators to temporarily
+For administrators, backups can serve as a useful toolkit for temporarily
-store data. For example, it is common practice to perform full backups
+storing data. For example, it is common practice to perform full backups before
-before installing major software updates. If something goes wrong, you
+installing major software updates. If something goes wrong, you can easily
-can restore the previous state.
+restore the previous state.
 
-Another reason for backups are legal requirements. Some data must be
+Another reason for backups are legal requirements. Some data, especially
-kept in a safe place for several years by law, so that it can be accessed if
+business records, must be kept in a safe place for several years by law, so
-required.
+that they can be accessed if required.
 
-Data loss can be very costly as it can severely restrict your
+In general, data loss is very costly as it can severely damage your business.
-business. Therefore, make sure that you perform a backup regularly
+Therefore, ensure that you perform regular backups and run restore tests.
-and run restore tests.
 
 
 Software Stack
@@ -104,17 +105,43 @@ Software Stack
 .. todo:: Eplain why we use Rust (and Flutter)
 	  
 
+Getting Help
+------------
+
+Community Support Forum
+~~~~~~~~~~~~~~~~~~~~~~~
+
+We always encourage our users to discuss and share their knowledge using the
+`Proxmox Community Forum`_. The forum is moderated by the Proxmox support team.
+The large user base is spread out all over the world. Needless to say that such
+a large forum is a great place to get information.
+
+Mailing Lists
+~~~~~~~~~~~~~
+
+Proxmox Backup Server is fully open-source and contributions are welcome! Here
+is the primary communication channel for developers:
+:Mailing list for developers: `PBS Development List`_
+
+Bug Tracker
+~~~~~~~~~~~
+
+Proxmox runs a public bug tracker at `<https://bugzilla.proxmox.com>`_. If an
+issue appears, file your report there. An issue can be a bug as well as a
+request for a new feature or enhancement. The bug tracker helps to keep track
+of the issue and will send a notification once it has been solved.
+
 License
 -------
 
-Copyright (C) 2019 Proxmox Server Solutions GmbH
+Copyright (C) 2019-2020 Proxmox Server Solutions GmbH
 
 This software is written by Proxmox Server Solutions GmbH <support@proxmox.com>
 
-Proxmox Backup is free software: you can redistribute it and/or modify
+Proxmox Backup Server is free and open source software: you can use it,
-it under the terms of the GNU Affero General Public License as
+redistribute it, and/or modify it under the terms of the GNU Affero General
-published by the Free Software Foundation, either version 3 of the
+Public License as published by the Free Software Foundation, either version 3
-License, or (at your option) any later version.
+of the License, or (at your option) any later version.
 
 This program is distributed in the hope that it will be useful, but
 ``WITHOUT ANY WARRANTY``; without even the implied warranty of

docs/local-zfs.rst

@@ -0,0 +1,401 @@
+ZFS on Linux
+------------
+
+ZFS is a combined file system and logical volume manager designed by
+Sun Microsystems. There is no need to manually compile ZFS modules - all
+packages are included.
+
+By using ZFS, it's possible to achieve maximum enterprise features with
+low budget hardware, but also high performance systems by leveraging
+SSD caching or even SSD only setups. ZFS can replace cost intense
+hardware raid cards by moderate CPU and memory load combined with easy
+management.
+
+General ZFS advantages
+
+* Easy configuration and management with GUI and CLI.
+* Reliable
+* Protection against data corruption
+* Data compression on file system level
+* Snapshots
+* Copy-on-write clone
+* Various raid levels: RAID0, RAID1, RAID10, RAIDZ-1, RAIDZ-2 and RAIDZ-3
+* Can use SSD for cache
+* Self healing
+* Continuous integrity checking
+* Designed for high storage capacities
+* Protection against data corruption
+* Asynchronous replication over network
+* Open Source
+* Encryption
+
+Hardware
+~~~~~~~~~
+
+ZFS depends heavily on memory, so you need at least 8GB to start. In
+practice, use as much you can get for your hardware/budget. To prevent
+data corruption, we recommend the use of high quality ECC RAM.
+
+If you use a dedicated cache and/or log disk, you should use an
+enterprise class SSD (e.g. Intel SSD DC S3700 Series). This can
+increase the overall performance significantly.
+
+IMPORTANT: Do not use ZFS on top of hardware controller which has its
+own cache management. ZFS needs to directly communicate with disks. An
+HBA adapter is the way to go, or something like LSI controller flashed
+in ``IT`` mode.
+
+
+ZFS Administration
+~~~~~~~~~~~~~~~~~~
+
+This section gives you some usage examples for common tasks. ZFS
+itself is really powerful and provides many options. The main commands
+to manage ZFS are `zfs` and `zpool`. Both commands come with great
+manual pages, which can be read with:
+
+.. code-block:: console
+
+  # man zpool
+  # man zfs
+
+Create a new zpool
+^^^^^^^^^^^^^^^^^^
+
+To create a new pool, at least one disk is needed. The `ashift` should
+have the same sector-size (2 power of `ashift`) or larger as the
+underlying disk.
+
+.. code-block:: console
+
+  # zpool create -f -o ashift=12 <pool> <device>
+
+Create a new pool with RAID-0
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Minimum 1 disk
+
+.. code-block:: console
+
+  # zpool create -f -o ashift=12 <pool> <device1> <device2>
+
+Create a new pool with RAID-1
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Minimum 2 disks
+
+.. code-block:: console
+
+  # zpool create -f -o ashift=12 <pool> mirror <device1> <device2>
+
+Create a new pool with RAID-10
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Minimum 4 disks
+
+.. code-block:: console
+
+  # zpool create -f -o ashift=12 <pool> mirror <device1> <device2> mirror <device3> <device4>
+
+Create a new pool with RAIDZ-1
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Minimum 3 disks
+
+.. code-block:: console
+
+  # zpool create -f -o ashift=12 <pool> raidz1 <device1> <device2> <device3>
+
+Create a new pool with RAIDZ-2
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Minimum 4 disks
+
+.. code-block:: console
+
+  # zpool create -f -o ashift=12 <pool> raidz2 <device1> <device2> <device3> <device4>
+
+Create a new pool with cache (L2ARC)
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+It is possible to use a dedicated cache drive partition to increase
+the performance (use SSD).
+
+As `<device>` it is possible to use more devices, like it's shown in
+"Create a new pool with RAID*".
+
+.. code-block:: console
+
+  # zpool create -f -o ashift=12 <pool> <device> cache <cache_device>
+
+Create a new pool with log (ZIL)
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+It is possible to use a dedicated cache drive partition to increase
+the performance (SSD).
+
+As `<device>` it is possible to use more devices, like it's shown in
+"Create a new pool with RAID*".
+
+.. code-block:: console
+
+  # zpool create -f -o ashift=12 <pool> <device> log <log_device>
+
+Add cache and log to an existing pool
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+If you have a pool without cache and log. First partition the SSD in
+2 partition with `parted` or `gdisk`
+
+.. important:: Always use GPT partition tables.
+
+The maximum size of a log device should be about half the size of
+physical memory, so this is usually quite small. The rest of the SSD
+can be used as cache.
+
+.. code-block:: console
+
+  # zpool add -f <pool> log <device-part1> cache <device-part2>
+
+
+Changing a failed device
+^^^^^^^^^^^^^^^^^^^^^^^^
+
+.. code-block:: console
+
+  # zpool replace -f <pool> <old device> <new device>
+
+
+Changing a failed bootable device
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Depending on how Proxmox Backup was installed it is either using `grub` or `systemd-boot`
+as bootloader.
+
+The first steps of copying the partition table, reissuing GUIDs and replacing
+the ZFS partition are the same. To make the system bootable from the new disk,
+different steps are needed which depend on the bootloader in use.
+
+.. code-block:: console
+
+  # sgdisk <healthy bootable device> -R <new device>
+  # sgdisk -G <new device>
+  # zpool replace -f <pool> <old zfs partition> <new zfs partition>
+
+.. NOTE:: Use the `zpool status -v` command to monitor how far the resilvering process of the new disk has progressed.
+
+With `systemd-boot`:
+
+.. code-block:: console
+
+  # pve-efiboot-tool format <new disk's ESP>
+  # pve-efiboot-tool init <new disk's ESP>
+
+.. NOTE:: `ESP` stands for EFI System Partition, which is setup as partition #2 on
+  bootable disks setup by the {pve} installer since version 5.4. For details, see
+  xref:sysboot_systemd_boot_setup[Setting up a new partition for use as synced ESP].
+
+With `grub`:
+
+Usually `grub.cfg` is located in `/boot/grub/grub.cfg`
+
+.. code-block:: console
+
+  # grub-install <new disk>
+  # grub-mkconfig -o /path/to/grub.cfg
+
+
+Activate E-Mail Notification
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+ZFS comes with an event daemon, which monitors events generated by the
+ZFS kernel module. The daemon can also send emails on ZFS events like
+pool errors. Newer ZFS packages ship the daemon in a separate package,
+and you can install it using `apt-get`:
+
+.. code-block:: console
+
+  # apt-get install zfs-zed
+
+To activate the daemon it is necessary to edit `/etc/zfs/zed.d/zed.rc` with your
+favourite editor, and uncomment the `ZED_EMAIL_ADDR` setting:
+
+.. code-block:: console
+
+  ZED_EMAIL_ADDR="root"
+
+Please note Proxmox Backup forwards mails to `root` to the email address
+configured for the root user.
+
+IMPORTANT: The only setting that is required is `ZED_EMAIL_ADDR`. All
+other settings are optional.
+
+Limit ZFS Memory Usage
+^^^^^^^^^^^^^^^^^^^^^^
+
+It is good to use at most 50 percent (which is the default) of the
+system memory for ZFS ARC to prevent performance shortage of the
+host. Use your preferred editor to change the configuration in
+`/etc/modprobe.d/zfs.conf` and insert:
+
+.. code-block:: console
+
+  options zfs zfs_arc_max=8589934592
+
+This example setting limits the usage to 8GB.
+
+.. IMPORTANT:: If your root file system is ZFS you must update your initramfs every time this value changes:
+
+.. code-block:: console
+
+  # update-initramfs -u
+
+
+SWAP on ZFS
+^^^^^^^^^^^
+
+Swap-space created on a zvol may generate some troubles, like blocking the
+server or generating a high IO load, often seen when starting a Backup
+to an external Storage.
+
+We strongly recommend to use enough memory, so that you normally do not
+run into low memory situations. Should you need or want to add swap, it is
+preferred to create a partition on a physical disk and use it as swapdevice.
+You can leave some space free for this purpose in the advanced options of the
+installer. Additionally, you can lower the `swappiness` value. 
+A good value for servers is 10:
+
+.. code-block:: console
+
+  # sysctl -w vm.swappiness=10
+
+To make the swappiness persistent, open `/etc/sysctl.conf` with
+an editor of your choice and add the following line:
+
+.. code-block:: console
+
+  vm.swappiness = 10
+
+.. table:: Linux kernel `swappiness` parameter values
+  :widths:auto
+
+  ====================  ===============================================================
+   Value                Strategy
+  ====================  ===============================================================
+   vm.swappiness = 0    The kernel will swap only to avoid an 'out of memory' condition
+   vm.swappiness = 1    Minimum amount of swapping without disabling it entirely.
+   vm.swappiness = 10   Sometimes recommended to improve performance when sufficient memory exists in a system.
+   vm.swappiness = 60   The default value.
+   vm.swappiness = 100  The kernel will swap aggressively.
+  ====================  ===============================================================
+
+ZFS Compression
+^^^^^^^^^^^^^^^
+
+To activate compression:
+.. code-block:: console
+
+  # zpool set compression=lz4 <pool>
+
+We recommend using the `lz4` algorithm, since it adds very little CPU overhead.
+Other algorithms such as `lzjb` and `gzip-N` (where `N` is an integer `1-9` representing
+the compression ratio, 1 is fastest and 9 is best compression) are also available.
+Depending on the algorithm and how compressible the data is, having compression enabled can even increase
+I/O performance.
+
+You can disable compression at any time with:
+.. code-block:: console
+
+  # zfs set compression=off <dataset>
+
+Only new blocks will be affected by this change.
+
+ZFS Special Device
+^^^^^^^^^^^^^^^^^^
+
+Since version 0.8.0 ZFS supports `special` devices. A `special` device in a
+pool is used to store metadata, deduplication tables, and optionally small
+file blocks.
+
+A `special` device can improve the speed of a pool consisting of slow spinning
+hard disks with a lot of metadata changes. For example workloads that involve
+creating, updating or deleting a large number of files will benefit from the
+presence of a `special` device. ZFS datasets can also be configured to store
+whole small files on the `special` device which can further improve the
+performance. Use fast SSDs for the `special` device.
+
+.. IMPORTANT:: The redundancy of the `special` device should match the one of the
+  pool, since the `special` device is a point of failure for the whole pool.
+
+.. WARNING:: Adding a `special` device to a pool cannot be undone!
+
+Create a pool with `special` device and RAID-1:
+
+.. code-block:: console
+
+  # zpool create -f -o ashift=12 <pool> mirror <device1> <device2> special mirror <device3> <device4>
+
+Adding a `special` device to an existing pool with RAID-1:
+
+.. code-block:: console
+
+  # zpool add <pool> special mirror <device1> <device2>
+
+ZFS datasets expose the `special_small_blocks=<size>` property. `size` can be
+`0` to disable storing small file blocks on the `special` device or a power of
+two in the range between `512B` to `128K`. After setting the property new file
+blocks smaller than `size` will be allocated on the `special` device.
+
+.. IMPORTANT:: If the value for `special_small_blocks` is greater than or equal to
+  the `recordsize` (default `128K`) of the dataset, *all* data will be written to
+  the `special` device, so be careful!
+
+Setting the `special_small_blocks` property on a pool will change the default
+value of that property for all child ZFS datasets (for example all containers
+in the pool will opt in for small file blocks).
+
+Opt in for all file smaller than 4K-blocks pool-wide:
+
+.. code-block:: console
+
+  # zfs set special_small_blocks=4K <pool>
+
+Opt in for small file blocks for a single dataset:
+
+.. code-block:: console
+
+  # zfs set special_small_blocks=4K <pool>/<filesystem>
+
+Opt out from small file blocks for a single dataset:
+
+.. code-block:: console
+
+  # zfs set special_small_blocks=0 <pool>/<filesystem>
+
+Troubleshooting
+^^^^^^^^^^^^^^^
+
+Corrupted cachefile
+
+In case of a corrupted ZFS cachefile, some volumes may not be mounted during
+boot until mounted manually later.
+
+For each pool, run:
+
+.. code-block:: console
+
+  # zpool set cachefile=/etc/zfs/zpool.cache POOLNAME
+
+and afterwards update the `initramfs` by running:
+
+.. code-block:: console
+
+  # update-initramfs -u -k all
+
+and finally reboot your node.
+
+Sometimes the ZFS cachefile can get corrupted, and `zfs-import-cache.service`
+doesn't import the pools that aren't present in the cachefile.
+
+Another workaround to this problem is enabling the `zfs-import-scan.service`,
+which searches and imports pools via device scanning (usually slower).

docs/package-repositories.rst

@@ -3,100 +3,110 @@
 Debian Package Repositories
 ---------------------------
 
-All Debian based systems use APT_ as package
+All Debian based systems use APT_ as package management tool. The list of
-management tool. The list of repositories is defined in
+repositories is defined in ``/etc/apt/sources.list`` and ``.list`` files found
-``/etc/apt/sources.list`` and ``.list`` files found in the
+in the ``/etc/apt/sources.d/`` directory. Updates can be installed directly
-``/etc/apt/sources.d/`` directory. Updates can be installed directly with
+with the ``apt`` command line tool, or via the GUI.
-the ``apt`` command line tool, or via the GUI.
 
-APT_ ``sources.list`` files list one package repository per line, with
+APT_ ``sources.list`` files list one package repository per line, with the most
-the most preferred source listed first. Empty lines are ignored and a
+preferred source listed first. Empty lines are ignored and a ``#`` character
-``#`` character anywhere on a line marks the remainder of that line as a
+anywhere on a line marks the remainder of that line as a comment. The
-comment. The information available from the configured sources is
+information available from the configured sources is acquired by ``apt
-acquired by ``apt update``.
+update``.
 
 .. code-block:: sources.list
   :caption: File: ``/etc/apt/sources.list``
-	   
+
   deb http://ftp.debian.org/debian buster main contrib
   deb http://ftp.debian.org/debian buster-updates main contrib
 
   # security updates
   deb http://security.debian.org/debian-security buster/updates main contrib
 
-  
+
 .. FIXME for 7.0: change security update suite to bullseye-security
 
-In addition, Proxmox provides three different package repositories for
+In addition, you need a package repositories from Proxmox to get the backup
-the backup server binaries.
+server updates.
 
-`Proxmox Backup`_ Enterprise Repository
+During the Proxmox Backup beta phase only one repository (pbstest) will be
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+available. Once released, a Enterprise repository for production use and a
+no-subscription repository will be provided.
 
-This is the default, stable, and recommended repository. It is available for
+.. comment
-all `Proxmox Backup`_ subscription users. It contains the most stable packages,
+    `Proxmox Backup`_ Enterprise Repository
-and is suitable for production use. The ``pbs-enterprise`` repository is
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-enabled by default:
 
-.. code-block:: sources.list
+    This will be the default, stable, and recommended repository. It is available for
-  :caption: File: ``/etc/apt/sources.list.d/pbs-enterprise.list``
+    all `Proxmox Backup`_ subscription users. It contains the most stable packages,
+    and is suitable for production use. The ``pbs-enterprise`` repository is
+    enabled by default:
 
-  deb https://enterprise.proxmox.com/debian/pbs buster pbs-enterprise
+    .. note:: During the Proxmox Backup beta phase only one repository (pbstest)
+     will be available.
+
+    .. code-block:: sources.list
+      :caption: File: ``/etc/apt/sources.list.d/pbs-enterprise.list``
+
+      deb https://enterprise.proxmox.com/debian/pbs buster pbs-enterprise
 
 
-To never miss important security fixes, the superuser (``root@pam`` user) is
+    To never miss important security fixes, the superuser (``root@pam`` user) is
-notified via email about new packages as soon as they are available. The
+    notified via email about new packages as soon as they are available. The
-change-log and details of each package can be viewed in the GUI (if available).
+    change-log and details of each package can be viewed in the GUI (if available).
 
-Please note that you need a valid subscription key to access this
+    Please note that you need a valid subscription key to access this
-repository. More information regarding subscription levels and pricing can be
+    repository. More information regarding subscription levels and pricing can be
-found at https://www.proxmox.com/en/proxmox-backup/pricing.
+    found at https://www.proxmox.com/en/proxmox-backup/pricing.
 
-.. note:: You can disable this repository by commenting out the above
+    .. note:: You can disable this repository by commenting out the above
-  line using a `#` (at the start of the line). This prevents error
+      line using a `#` (at the start of the line). This prevents error
-  messages if you do not have a subscription key. Please configure the
+      messages if you do not have a subscription key. Please configure the
-  ``pbs-no-subscription`` repository in that case.
+      ``pbs-no-subscription`` repository in that case.
 
 
-`Proxmox Backup`_ No-Subscription Repository
+    `Proxmox Backup`_ No-Subscription Repository
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-As the name suggests, you do not need a subscription key to access
+    As the name suggests, you do not need a subscription key to access
-this repository. It can be used for testing and non-production
+    this repository. It can be used for testing and non-production
-use. It is not recommended to use it on production servers, because these
+    use. It is not recommended to use it on production servers, because these
-packages are not always heavily tested and validated.
+    packages are not always heavily tested and validated.
 
-We recommend to configure this repository in ``/etc/apt/sources.list``.
+    We recommend to configure this repository in ``/etc/apt/sources.list``.
 
-.. code-block:: sources.list
+    .. code-block:: sources.list
-  :caption: File: ``/etc/apt/sources.list``
+      :caption: File: ``/etc/apt/sources.list``
 
-  deb http://ftp.debian.org/debian buster main contrib
+      deb http://ftp.debian.org/debian buster main contrib
-  deb http://ftp.debian.org/debian buster-updates main contrib
+      deb http://ftp.debian.org/debian buster-updates main contrib
 
-  # PBS pbs-no-subscription repository provided by proxmox.com,
+      # PBS pbs-no-subscription repository provided by proxmox.com,
-  # NOT recommended for production use
+      # NOT recommended for production use
-  deb http://download.proxmox.com/debian/bps buster pbs-no-subscription
+      deb http://download.proxmox.com/debian/pbs buster pbs-no-subscription
 
-  # security updates
+      # security updates
-  deb http://security.debian.org/debian-security buster/updates main contrib
+      deb http://security.debian.org/debian-security buster/updates main contrib
 
 
-`Proxmox Backup`_ Test Repository
+`Proxmox Backup`_ Beta Repository
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-Finally, there is a repository called ``pbstest``. This one contains the
+During the public beta, there is a repository called ``pbstest``. This one
-latest packages and is heavily used by developers to test new
+contains the latest packages and is heavily used by developers to test new
 features.
 
-.. warning:: the ``pbstest`` repository should (as the name implies)
+..  .. warning:: the ``pbstest`` repository should (as the name implies)
   only be used to test new features or bug fixes.
 
-You can configure this using ``/etc/apt/sources.list`` by
+You can configure this using ``/etc/apt/sources.list`` by adding the following
-adding the following line:
+line:
 
 .. code-block:: sources.list
   :caption: sources.list entry for ``pbstest``
 
-  deb http://download.proxmox.com/debian/bps buster pbstest
+  deb http://download.proxmox.com/debian/pbs buster pbstest
 
+If you installed Proxmox Backup Server from the official beta ISO you should
+have this repository already configured in
+``/etc/apt/sources.list.d/pbstest-beta.list``

docs/sysadmin.rst

@@ -1,5 +1,5 @@
 Host System Administration
---------------------------
+==========================
 
 `Proxmox Backup`_ is based on the famous Debian_ Linux
 distribution. That means that you have access to the whole world of
@@ -23,8 +23,4 @@ either explain things which are different on `Proxmox Backup`_, or
 tasks which are commonly used on `Proxmox Backup`_. For other topics,
 please refer to the standard Debian documentation.
 
-ZFS
+.. include:: local-zfs.rst
-~~~
-
-.. todo:: Add local ZFS admin guide (local.zfs.adoc)
-

docs/todos.rst

@@ -0,0 +1,6 @@
+Documentation Todo List
+=======================
+
+This is an auto-generated list of the todo references in the documentation.
+
+.. todolist::

etc/Makefile

@@ -7,7 +7,7 @@ DYNAMIC_UNITS := \
 	proxmox-backup.service \
 	proxmox-backup-proxy.service
 
-all: $(UNITS) $(DYNAMIC_UNITS)
+all: $(UNITS) $(DYNAMIC_UNITS) pbstest-beta.list
 
 clean:
 	rm -f $(DYNAMIC_UNITS)

etc/pbstest-beta.list

@@ -0,0 +1 @@
+deb http://download.proxmox.com/debian/pbs buster pbstest

src/api2/admin/datastore.rs

@@ -46,20 +46,20 @@ fn check_backup_owner(store: &DataStore, group: &BackupGroup, userid: &str) -> R
 
 fn read_backup_index(store: &DataStore, backup_dir: &BackupDir) -> Result<Vec<BackupContent>, Error> {
 
-    let (manifest, index_size) = store.load_manifest(backup_dir)?;
+    let (manifest, manifest_crypt_mode, index_size) = store.load_manifest(backup_dir)?;
 
     let mut result = Vec::new();
     for item in manifest.files() {
         result.push(BackupContent {
             filename: item.filename.clone(),
-            encrypted: item.encrypted,
+            crypt_mode: Some(item.crypt_mode),
             size: Some(item.size),
         });
     }
 
     result.push(BackupContent {
         filename: MANIFEST_BLOB_NAME.to_string(),
-        encrypted: Some(false),
+        crypt_mode: Some(manifest_crypt_mode),
         size: Some(index_size),
     });
 
@@ -79,7 +79,11 @@ fn get_all_snapshot_files(
 
     for file in &info.files {
         if file_set.contains(file) { continue; }
-        files.push(BackupContent { filename: file.to_string(), size: None, encrypted: None });
+        files.push(BackupContent {
+            filename: file.to_string(),
+            size: None,
+            crypt_mode: None,
+        });
     }
 
     Ok(files)
@@ -350,7 +354,15 @@ pub fn list_snapshots (
             },
             Err(err) => {
                 eprintln!("error during snapshot file listing: '{}'", err);
-                info.files.iter().map(|x| BackupContent { filename: x.to_string(), size: None, encrypted: None }).collect()
+                info
+                    .files
+                    .iter()
+                    .map(|x| BackupContent {
+                        filename: x.to_string(),
+                        size: None,
+                        crypt_mode: None,
+                    })
+                    .collect()
             },
         };
 
@@ -441,13 +453,13 @@ pub fn verify(
 
     match (backup_type, backup_id, backup_time) {
         (Some(backup_type), Some(backup_id), Some(backup_time)) => {
+            worker_id = format!("{}_{}_{}_{:08X}", store, backup_type, backup_id, backup_time);
             let dir = BackupDir::new(backup_type, backup_id, backup_time);
-            worker_id = format!("{}_{}", store, dir);
             backup_dir = Some(dir);
         }
         (Some(backup_type), Some(backup_id), None) => {
+            worker_id = format!("{}_{}_{}", store, backup_type, backup_id);
             let group = BackupGroup::new(backup_type, backup_id);
-            worker_id = format!("{}_{}", store, group);
             backup_group = Some(group);
         }
         (None, None, None) => {
@@ -902,7 +914,7 @@ fn download_file_decoded(
 
         let files = read_backup_index(&datastore, &backup_dir)?;
         for file in files {
-            if file.filename == file_name && file.encrypted == Some(true) {
+            if file.filename == file_name && file.crypt_mode == Some(CryptMode::Encrypt) {
                 bail!("cannot decode '{}' - is encrypted", file_name);
             }
         }

src/api2/node/disks.rs

@@ -26,10 +26,10 @@ pub mod zfs;
                 schema: NODE_SCHEMA,
             },
             skipsmart: {
-		description: "Skip smart checks.",
+                description: "Skip smart checks.",
-		type: bool,
+                type: bool,
-		optional: true,
+                optional: true,
-		default: false,
+                default: false,
             },
             "usage-type": {
                 type: DiskUsageType,

src/api2/types.rs

@@ -5,6 +5,8 @@ use proxmox::api::{api, schema::*};
 use proxmox::const_regex;
 use proxmox::{IPRE, IPV4RE, IPV6RE, IPV4OCTET, IPV6H16, IPV6LS32};
 
+use crate::backup::CryptMode;
+
 // File names: may not contain slashes, may not start with "."
 pub const FILENAME_FORMAT: ApiStringFormat = ApiStringFormat::VerifyFn(|name| {
     if name.starts_with('.') {
@@ -496,6 +498,10 @@ pub const PRUNE_SCHEMA_KEEP_YEARLY: Schema = IntegerSchema::new(
         "filename": {
             schema: BACKUP_ARCHIVE_NAME_SCHEMA,
         },
+        "crypt-mode": {
+            type: CryptMode,
+            optional: true,
+        },
     },
 )]
 #[derive(Serialize, Deserialize)]
@@ -503,9 +509,9 @@ pub const PRUNE_SCHEMA_KEEP_YEARLY: Schema = IntegerSchema::new(
 /// Basic information about archive files inside a backup snapshot.
 pub struct BackupContent {
     pub filename: String,
-    /// Info if file is encrypted (or empty if we do not have that info)
+    /// Info if file is encrypted, signed, or neither.
     #[serde(skip_serializing_if="Option::is_none")]
-    pub encrypted: Option<bool>,
+    pub crypt_mode: Option<CryptMode>,
     /// Archive size (from backup manifest).
     #[serde(skip_serializing_if="Option::is_none")]
     pub size: Option<u64>,

src/backup/async_index_reader.rs

@@ -36,7 +36,7 @@ impl<S: AsyncReadChunk, I: IndexFile> AsyncIndexReader<S, I> {
         Self {
             store: Some(store),
             index,
-            read_buffer: Vec::with_capacity(1024*1024),
+            read_buffer: Vec::with_capacity(1024 * 1024),
             current_chunk_idx: 0,
             current_chunk_digest: [0u8; 32],
             state: AsyncIndexReaderState::NoData,
@@ -44,9 +44,10 @@ impl<S: AsyncReadChunk, I: IndexFile> AsyncIndexReader<S, I> {
     }
 }
 
-impl<S, I> AsyncRead for AsyncIndexReader<S, I> where
+impl<S, I> AsyncRead for AsyncIndexReader<S, I>
-S: AsyncReadChunk + Unpin + 'static,
+where
-I: IndexFile + Unpin
+    S: AsyncReadChunk + Unpin + Sync + 'static,
+    I: IndexFile + Unpin,
 {
     fn poll_read(
         self: Pin<&mut Self>,
@@ -57,7 +58,7 @@ I: IndexFile + Unpin
         loop {
             match &mut this.state {
                 AsyncIndexReaderState::NoData => {
-                    if this.current_chunk_idx >= this.index.index_count()  {
+                    if this.current_chunk_idx >= this.index.index_count() {
                         return Poll::Ready(Ok(0));
                     }
 
@@ -67,18 +68,18 @@ I: IndexFile + Unpin
                         .ok_or(io_format_err!("could not get digest"))?
                         .clone();
 
-                    if digest  == this.current_chunk_digest {
+                    if digest == this.current_chunk_digest {
                         this.state = AsyncIndexReaderState::HaveData(0);
                         continue;
                     }
 
                     this.current_chunk_digest = digest;
 
-                    let mut store = match this.store.take() {
+                    let store = match this.store.take() {
                         Some(store) => store,
                         None => {
                             return Poll::Ready(Err(io_format_err!("could not find store")));
-                        },
+                        }
                     };
 
                     let future = async move {
@@ -88,7 +89,7 @@ I: IndexFile + Unpin
                     };
 
                     this.state = AsyncIndexReaderState::WaitForData(future.boxed());
-                },
+                }
                 AsyncIndexReaderState::WaitForData(ref mut future) => {
                     match ready!(future.as_mut().poll(cx)) {
                         Ok((store, mut chunk_data)) => {
@@ -96,12 +97,12 @@ I: IndexFile + Unpin
                             this.read_buffer.append(&mut chunk_data);
                             this.state = AsyncIndexReaderState::HaveData(0);
                             this.store = Some(store);
-                        },
+                        }
                         Err(err) => {
                             return Poll::Ready(Err(io_err_other(err)));
-                        },
+                        }
                     };
-                },
+                }
                 AsyncIndexReaderState::HaveData(offset) => {
                     let offset = *offset;
                     let len = this.read_buffer.len();
@@ -111,7 +112,7 @@ I: IndexFile + Unpin
                         buf.len()
                     };
 
-                    buf[0..n].copy_from_slice(&this.read_buffer[offset..offset+n]);
+                    buf[0..n].copy_from_slice(&this.read_buffer[offset..(offset + n)]);
                     if offset + n == len {
                         this.state = AsyncIndexReaderState::NoData;
                         this.current_chunk_idx += 1;
@@ -120,7 +121,7 @@ I: IndexFile + Unpin
                     }
 
                     return Poll::Ready(Ok(n));
-                },
+                }
             }
         }
     }

src/backup/crypt_config.rs

@@ -6,12 +6,30 @@
 //! See the Wikipedia Artikel for [Authenticated
 //! encryption](https://en.wikipedia.org/wiki/Authenticated_encryption)
 //! for a short introduction.
-use anyhow::{bail, Error};
+
-use openssl::pkcs5::pbkdf2_hmac;
-use openssl::hash::MessageDigest;
-use openssl::symm::{decrypt_aead, Cipher, Crypter, Mode};
 use std::io::Write;
+
+use anyhow::{bail, Error};
 use chrono::{Local, TimeZone, DateTime};
+use openssl::hash::MessageDigest;
+use openssl::pkcs5::pbkdf2_hmac;
+use openssl::symm::{decrypt_aead, Cipher, Crypter, Mode};
+use serde::{Deserialize, Serialize};
+
+use proxmox::api::api;
+
+#[api(default: "encrypt")]
+#[derive(Copy, Clone, Debug, Eq, PartialEq, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+/// Defines whether data is encrypted (using an AEAD cipher), only signed, or neither.
+pub enum CryptMode {
+    /// Don't encrypt.
+    None,
+    /// Encrypt.
+    Encrypt,
+    /// Only sign.
+    SignOnly,
+}
 
 /// Encryption Configuration with secret key
 ///
@@ -26,7 +44,6 @@ pub struct CryptConfig {
     id_pkey: openssl::pkey::PKey<openssl::pkey::Private>,
     // The private key used by the cipher.
     enc_key: [u8; 32],
-
 }
 
 impl CryptConfig {
@@ -63,10 +80,9 @@ impl CryptConfig {
     /// chunk digest values do not clash with values computed for
     /// other sectret keys.
     pub fn compute_digest(&self, data: &[u8]) -> [u8; 32] {
-        // FIXME: use HMAC-SHA256 instead??
         let mut hasher = openssl::sha::Sha256::new();
-        hasher.update(&self.id_key);
         hasher.update(data);
+        hasher.update(&self.id_key); // at the end, to avoid length extensions attacks
         hasher.finish()
     }
 
@@ -203,7 +219,7 @@ impl CryptConfig {
         created: DateTime<Local>,
     ) -> Result<Vec<u8>, Error> {
 
-         let modified = Local.timestamp(Local::now().timestamp(), 0);
+        let modified = Local.timestamp(Local::now().timestamp(), 0);
         let key_config = super::KeyConfig { kdf: None, created, modified, data: self.enc_key.to_vec() };
         let data = serde_json::to_string(&key_config)?.as_bytes().to_vec();
 

src/backup/data_blob.rs

@@ -3,10 +3,10 @@ use std::convert::TryInto;
 
 use proxmox::tools::io::{ReadExt, WriteExt};
 
-const MAX_BLOB_SIZE: usize = 128*1024*1024;
-
 use super::file_formats::*;
-use super::CryptConfig;
+use super::{CryptConfig, CryptMode};
+
+const MAX_BLOB_SIZE: usize = 128*1024*1024;
 
 /// Encoded data chunk with digest and positional information
 pub struct ChunkInfo {
@@ -166,6 +166,19 @@ impl DataBlob {
         Ok(blob)
     }
 
+    /// Get the encryption mode for this blob.
+    pub fn crypt_mode(&self) -> Result<CryptMode, Error> {
+        let magic = self.magic();
+
+        Ok(if magic == &UNCOMPRESSED_BLOB_MAGIC_1_0 || magic == &COMPRESSED_BLOB_MAGIC_1_0 {
+            CryptMode::None
+        } else if magic == &ENCR_COMPR_BLOB_MAGIC_1_0 || magic == &ENCRYPTED_BLOB_MAGIC_1_0 {
+            CryptMode::Encrypt
+        } else {
+            bail!("Invalid blob magic number.");
+        })
+    }
+
     /// Decode blob data
     pub fn decode(&self, config: Option<&CryptConfig>) -> Result<Vec<u8>, Error> {
 
@@ -194,75 +207,11 @@ impl DataBlob {
             } else {
                 bail!("unable to decrypt blob - missing CryptConfig");
             }
-        } else if magic == &AUTH_COMPR_BLOB_MAGIC_1_0 || magic == &AUTHENTICATED_BLOB_MAGIC_1_0 {
-            let header_len = std::mem::size_of::<AuthenticatedDataBlobHeader>();
-            let head = unsafe {
-                (&self.raw_data[..header_len]).read_le_value::<AuthenticatedDataBlobHeader>()?
-            };
-
-            let data_start = std::mem::size_of::<AuthenticatedDataBlobHeader>();
-
-            // Note: only verify if we have a crypt config
-            if let Some(config) = config  {
-                let signature = config.compute_auth_tag(&self.raw_data[data_start..]);
-                if signature != head.tag {
-                    bail!("verifying blob signature failed");
-                }
-            }
-
-            if magic == &AUTH_COMPR_BLOB_MAGIC_1_0 {
-                let data = zstd::block::decompress(&self.raw_data[data_start..], 16*1024*1024)?;
-                Ok(data)
-            } else {
-                Ok(self.raw_data[data_start..].to_vec())
-            }
         } else {
             bail!("Invalid blob magic number.");
         }
     }
 
-    /// Create a signed DataBlob, optionally compressed
-    pub fn create_signed(
-        data: &[u8],
-        config: &CryptConfig,
-        compress: bool,
-    ) -> Result<Self, Error> {
-
-        if data.len() > MAX_BLOB_SIZE {
-            bail!("data blob too large ({} bytes).", data.len());
-        }
-
-        let compr_data;
-        let (_compress, data, magic) = if compress {
-            compr_data = zstd::block::compress(data, 1)?;
-            // Note: We only use compression if result is shorter
-            if compr_data.len() < data.len() {
-                (true, &compr_data[..], AUTH_COMPR_BLOB_MAGIC_1_0)
-            } else {
-                (false, data, AUTHENTICATED_BLOB_MAGIC_1_0)
-            }
-        } else {
-            (false, data, AUTHENTICATED_BLOB_MAGIC_1_0)
-        };
-
-        let header_len = std::mem::size_of::<AuthenticatedDataBlobHeader>();
-        let mut raw_data = Vec::with_capacity(data.len() + header_len);
-
-        let head = AuthenticatedDataBlobHeader {
-            head: DataBlobHeader { magic, crc: [0; 4] },
-            tag: config.compute_auth_tag(data),
-        };
-        unsafe {
-            raw_data.write_le_value(head)?;
-        }
-        raw_data.extend_from_slice(data);
-
-        let mut blob = DataBlob { raw_data };
-        blob.set_crc(blob.compute_crc());
-
-        Ok(blob)
-    }
-
     /// Load blob from ``reader``
     pub fn load(reader: &mut dyn std::io::Read) -> Result<Self, Error> {
 
@@ -294,14 +243,6 @@ impl DataBlob {
 
             let blob = DataBlob { raw_data: data };
 
-            Ok(blob)
-        } else if magic == AUTH_COMPR_BLOB_MAGIC_1_0 || magic == AUTHENTICATED_BLOB_MAGIC_1_0 {
-            if data.len() < std::mem::size_of::<AuthenticatedDataBlobHeader>() {
-                bail!("authenticated blob too small ({} bytes).", data.len());
-            }
-
-            let blob = DataBlob { raw_data: data };
-
             Ok(blob)
         } else {
             bail!("unable to parse raw blob - wrong magic");
@@ -376,7 +317,7 @@ impl <'a, 'b> DataChunkBuilder<'a, 'b> {
 
     /// Set encryption Configuration
     ///
-    /// If set, chunks are encrypted.
+    /// If set, chunks are encrypted
     pub fn crypt_config(mut self, value: &'b CryptConfig) -> Self {
         if self.digest_computed {
             panic!("unable to set crypt_config after compute_digest().");
@@ -415,12 +356,7 @@ impl <'a, 'b> DataChunkBuilder<'a, 'b> {
             self.compute_digest();
         }
 
-        let chunk = DataBlob::encode(
+        let chunk = DataBlob::encode(self.orig_data, self.config, self.compress)?;
-            self.orig_data,
-            self.config,
-            self.compress,
-        )?;
-
         Ok((chunk, self.digest))
     }
 

src/backup/data_blob_reader.rs

@@ -8,8 +8,6 @@ use super::*;
 enum BlobReaderState<R: Read> {
     Uncompressed { expected_crc: u32, csum_reader: ChecksumReader<R> },
     Compressed { expected_crc: u32, decompr: zstd::stream::read::Decoder<BufReader<ChecksumReader<R>>> },
-    Signed { expected_crc: u32, expected_hmac: [u8; 32], csum_reader: ChecksumReader<R> },
-    SignedCompressed { expected_crc: u32, expected_hmac: [u8; 32], decompr: zstd::stream::read::Decoder<BufReader<ChecksumReader<R>>> },
     Encrypted { expected_crc: u32, decrypt_reader: CryptReader<BufReader<ChecksumReader<R>>> },
     EncryptedCompressed { expected_crc: u32, decompr: zstd::stream::read::Decoder<BufReader<CryptReader<BufReader<ChecksumReader<R>>>>> },
 }
@@ -41,22 +39,6 @@ impl <R: Read> DataBlobReader<R> {
                 let decompr = zstd::stream::read::Decoder::new(csum_reader)?;
                 Ok(Self { state: BlobReaderState::Compressed { expected_crc, decompr }})
             }
-            AUTHENTICATED_BLOB_MAGIC_1_0 => {
-                let expected_crc = u32::from_le_bytes(head.crc);
-                let mut expected_hmac = [0u8; 32];
-                reader.read_exact(&mut expected_hmac)?;
-                let csum_reader = ChecksumReader::new(reader, config);
-                Ok(Self { state: BlobReaderState::Signed { expected_crc, expected_hmac, csum_reader }})
-            }
-            AUTH_COMPR_BLOB_MAGIC_1_0 => {
-                let expected_crc = u32::from_le_bytes(head.crc);
-                let mut expected_hmac = [0u8; 32];
-                reader.read_exact(&mut expected_hmac)?;
-                let csum_reader = ChecksumReader::new(reader, config);
-
-                let decompr = zstd::stream::read::Decoder::new(csum_reader)?;
-                Ok(Self { state: BlobReaderState::SignedCompressed { expected_crc, expected_hmac, decompr }})
-            }
             ENCRYPTED_BLOB_MAGIC_1_0 => {
                 let expected_crc = u32::from_le_bytes(head.crc);
                 let mut iv = [0u8; 16];
@@ -99,31 +81,6 @@ impl <R: Read> DataBlobReader<R> {
                 }
                 Ok(reader)
             }
-            BlobReaderState::Signed { csum_reader, expected_crc, expected_hmac } => {
-                let (reader, crc, hmac) = csum_reader.finish()?;
-                if crc != expected_crc {
-                    bail!("blob crc check failed");
-                }
-                if let Some(hmac) = hmac {
-                    if hmac != expected_hmac {
-                        bail!("blob signature check failed");
-                    }
-                }
-                Ok(reader)
-            }
-            BlobReaderState::SignedCompressed { expected_crc, expected_hmac, decompr } => {
-                let csum_reader = decompr.finish().into_inner();
-                let (reader, crc, hmac) = csum_reader.finish()?;
-                if crc != expected_crc {
-                    bail!("blob crc check failed");
-                }
-                if let Some(hmac) = hmac {
-                    if hmac != expected_hmac {
-                        bail!("blob signature check failed");
-                    }
-                }
-                Ok(reader)
-            }
             BlobReaderState::Encrypted { expected_crc, decrypt_reader } =>  {
                 let csum_reader = decrypt_reader.finish()?.into_inner();
                 let (reader, crc, _) = csum_reader.finish()?;
@@ -155,12 +112,6 @@ impl <R: Read> Read for DataBlobReader<R> {
             BlobReaderState::Compressed { decompr, .. } => {
                 decompr.read(buf)
             }
-            BlobReaderState::Signed { csum_reader, .. } => {
-                csum_reader.read(buf)
-            }
-            BlobReaderState::SignedCompressed { decompr, .. } => {
-                decompr.read(buf)
-            }
             BlobReaderState::Encrypted { decrypt_reader, .. } =>  {
                 decrypt_reader.read(buf)
             }

src/backup/data_blob_writer.rs

@@ -8,8 +8,6 @@ use super::*;
 enum BlobWriterState<W: Write> {
     Uncompressed { csum_writer: ChecksumWriter<W> },
     Compressed { compr: zstd::stream::write::Encoder<ChecksumWriter<W>> },
-    Signed { csum_writer: ChecksumWriter<W> },
-    SignedCompressed { compr: zstd::stream::write::Encoder<ChecksumWriter<W>> },
     Encrypted { crypt_writer: CryptWriter<ChecksumWriter<W>> },
     EncryptedCompressed { compr: zstd::stream::write::Encoder<CryptWriter<ChecksumWriter<W>>> },
 }
@@ -42,33 +40,6 @@ impl <W: Write + Seek> DataBlobWriter<W> {
         Ok(Self { state: BlobWriterState::Compressed { compr }})
     }
 
-    pub fn new_signed(mut writer: W, config: Arc<CryptConfig>) -> Result<Self, Error> {
-        writer.seek(SeekFrom::Start(0))?;
-        let head = AuthenticatedDataBlobHeader {
-            head: DataBlobHeader { magic: AUTHENTICATED_BLOB_MAGIC_1_0, crc: [0; 4] },
-            tag: [0u8; 32],
-        };
-        unsafe {
-            writer.write_le_value(head)?;
-        }
-        let csum_writer = ChecksumWriter::new(writer, Some(config));
-        Ok(Self { state:  BlobWriterState::Signed { csum_writer }})
-    }
-
-    pub fn new_signed_compressed(mut writer: W, config: Arc<CryptConfig>) -> Result<Self, Error> {
-        writer.seek(SeekFrom::Start(0))?;
-        let head = AuthenticatedDataBlobHeader {
-            head: DataBlobHeader { magic: AUTH_COMPR_BLOB_MAGIC_1_0, crc: [0; 4] },
-            tag: [0u8; 32],
-        };
-        unsafe {
-            writer.write_le_value(head)?;
-        }
-        let csum_writer = ChecksumWriter::new(writer, Some(config));
-        let compr = zstd::stream::write::Encoder::new(csum_writer, 1)?;
-        Ok(Self { state: BlobWriterState::SignedCompressed { compr }})
-    }
-
     pub fn new_encrypted(mut writer: W, config: Arc<CryptConfig>) -> Result<Self, Error> {
         writer.seek(SeekFrom::Start(0))?;
         let head = EncryptedDataBlobHeader {
@@ -129,37 +100,6 @@ impl <W: Write + Seek> DataBlobWriter<W> {
 
                 Ok(writer)
             }
-            BlobWriterState::Signed { csum_writer } => {
-                let (mut writer, crc, tag) = csum_writer.finish()?;
-
-                let head = AuthenticatedDataBlobHeader {
-                    head: DataBlobHeader { magic: AUTHENTICATED_BLOB_MAGIC_1_0, crc: crc.to_le_bytes() },
-                    tag: tag.unwrap(),
-                };
-
-                writer.seek(SeekFrom::Start(0))?;
-                unsafe {
-                    writer.write_le_value(head)?;
-                }
-
-                Ok(writer)
-            }
-            BlobWriterState::SignedCompressed { compr } => {
-                let csum_writer = compr.finish()?;
-                let (mut writer, crc, tag) = csum_writer.finish()?;
-
-                let head = AuthenticatedDataBlobHeader {
-                    head: DataBlobHeader { magic: AUTH_COMPR_BLOB_MAGIC_1_0, crc: crc.to_le_bytes() },
-                    tag: tag.unwrap(),
-                };
-
-                writer.seek(SeekFrom::Start(0))?;
-                unsafe {
-                    writer.write_le_value(head)?;
-                }
-
-                Ok(writer)
-            }
             BlobWriterState::Encrypted { crypt_writer } => {
                 let (csum_writer, iv, tag) = crypt_writer.finish()?;
                 let (mut writer, crc, _) = csum_writer.finish()?;
@@ -203,12 +143,6 @@ impl <W: Write + Seek> Write for DataBlobWriter<W> {
             BlobWriterState::Compressed { ref mut compr } => {
                 compr.write(buf)
             }
-            BlobWriterState::Signed { ref mut csum_writer } => {
-                csum_writer.write(buf)
-            }
-            BlobWriterState::SignedCompressed { ref mut compr } => {
-               compr.write(buf)
-            }
             BlobWriterState::Encrypted { ref mut crypt_writer } => {
                 crypt_writer.write(buf)
             }
@@ -226,13 +160,7 @@ impl <W: Write + Seek> Write for DataBlobWriter<W> {
             BlobWriterState::Compressed { ref mut compr } => {
                 compr.flush()
             }
-            BlobWriterState::Signed { ref mut csum_writer } => {
+             BlobWriterState::Encrypted { ref mut crypt_writer } => {
-                csum_writer.flush()
-            }
-            BlobWriterState::SignedCompressed { ref mut compr } => {
-                compr.flush()
-            }
-            BlobWriterState::Encrypted { ref mut crypt_writer } => {
                crypt_writer.flush()
             }
             BlobWriterState::EncryptedCompressed { ref mut compr } => {

src/backup/datastore.rs

@@ -15,6 +15,7 @@ use super::fixed_index::{FixedIndexReader, FixedIndexWriter};
 use super::manifest::{MANIFEST_BLOB_NAME, CLIENT_LOG_BLOB_NAME, BackupManifest};
 use super::index::*;
 use super::{DataBlob, ArchiveType, archive_type};
+use crate::backup::CryptMode;
 use crate::config::datastore;
 use crate::server::WorkerTask;
 use crate::tools;
@@ -494,9 +495,13 @@ impl DataStore {
         Ok((blob, raw_size))
     }
 
-    pub fn load_manifest(&self, backup_dir: &BackupDir) -> Result<(BackupManifest, u64), Error> {
+    pub fn load_manifest(
+        &self,
+        backup_dir: &BackupDir,
+    ) -> Result<(BackupManifest, CryptMode, u64), Error> {
         let (blob, raw_size) = self.load_blob(backup_dir, MANIFEST_BLOB_NAME)?;
+        let crypt_mode = blob.crypt_mode()?;
         let manifest = BackupManifest::try_from(blob)?;
-        Ok((manifest, raw_size))
+        Ok((manifest, crypt_mode, raw_size))
     }
 }

src/backup/dynamic_index.rs

@@ -189,6 +189,19 @@ impl IndexFile for DynamicIndexReader {
         }
     }
 
+    fn compute_csum(&self) -> ([u8; 32], u64) {
+        let mut csum = openssl::sha::Sha256::new();
+        let mut chunk_end = 0;
+        for pos in 0..self.index_count() {
+            let info = self.chunk_info(pos).unwrap();
+            chunk_end = info.range.end;
+            csum.update(&chunk_end.to_le_bytes());
+            csum.update(&info.digest);
+        }
+        let csum = csum.finish();
+        (csum, chunk_end)
+    }
+
     #[allow(clippy::cast_ptr_alignment)]
     fn chunk_info(&self, pos: usize) -> Option<ChunkReadInfo> {
         if pos >= self.index.len() {

src/backup/file_formats.rs

@@ -17,12 +17,6 @@ pub const ENCRYPTED_BLOB_MAGIC_1_0: [u8; 8] = [123, 103, 133, 190, 34, 45, 76, 2
 // openssl::sha::sha256(b"Proxmox Backup zstd compressed encrypted blob v1.0")[0..8]
 pub const ENCR_COMPR_BLOB_MAGIC_1_0: [u8; 8] = [230, 89, 27, 191, 11, 191, 216, 11];
 
-//openssl::sha::sha256(b"Proxmox Backup authenticated blob v1.0")[0..8]
-pub const AUTHENTICATED_BLOB_MAGIC_1_0: [u8; 8] = [31, 135, 238, 226, 145, 206, 5, 2];
-
-//openssl::sha::sha256(b"Proxmox Backup zstd compressed authenticated blob v1.0")[0..8]
-pub const AUTH_COMPR_BLOB_MAGIC_1_0: [u8; 8] = [126, 166, 15, 190, 145, 31, 169, 96];
-
 // openssl::sha::sha256(b"Proxmox Backup fixed sized chunk index v1.0")[0..8]
 pub const FIXED_SIZED_CHUNK_INDEX_1_0: [u8; 8] = [47, 127, 65, 237, 145, 253, 15, 205];
 
@@ -50,19 +44,6 @@ pub struct DataBlobHeader {
     pub crc: [u8; 4],
 }
 
-/// Authenticated data blob binary storage format
-///
-/// The ``DataBlobHeader`` for authenticated blobs additionally contains
-/// a 16 byte HMAC tag, followed by the data:
-///
-/// (MAGIC || CRC32 || TAG || Data).
-#[derive(Endian)]
-#[repr(C,packed)]
-pub struct AuthenticatedDataBlobHeader {
-    pub head: DataBlobHeader,
-    pub tag: [u8; 32],
-}
-
 /// Encrypted data blob binary storage format
 ///
 /// The ``DataBlobHeader`` for encrypted blobs additionally contains
@@ -87,8 +68,6 @@ pub fn header_size(magic: &[u8; 8]) -> usize {
         &COMPRESSED_BLOB_MAGIC_1_0 => std::mem::size_of::<DataBlobHeader>(),
         &ENCRYPTED_BLOB_MAGIC_1_0 => std::mem::size_of::<EncryptedDataBlobHeader>(),
         &ENCR_COMPR_BLOB_MAGIC_1_0 => std::mem::size_of::<EncryptedDataBlobHeader>(),
-        &AUTHENTICATED_BLOB_MAGIC_1_0 => std::mem::size_of::<AuthenticatedDataBlobHeader>(),
-        &AUTH_COMPR_BLOB_MAGIC_1_0 => std::mem::size_of::<AuthenticatedDataBlobHeader>(),
         _ => panic!("unknown blob magic"),
     }
 }

src/backup/fixed_index.rs

@@ -206,6 +206,19 @@ impl IndexFile for FixedIndexReader {
             digest: *digest,
         })
     }
+
+    fn compute_csum(&self) -> ([u8; 32], u64) {
+        let mut csum = openssl::sha::Sha256::new();
+        let mut chunk_end = 0;
+        for pos in 0..self.index_count() {
+            let info = self.chunk_info(pos).unwrap();
+            chunk_end = info.range.end;
+            csum.update(&info.digest);
+        }
+        let csum = csum.finish();
+
+        (csum, chunk_end)
+    }
 }
 
 pub struct FixedIndexWriter {

src/backup/index.rs

@@ -23,19 +23,7 @@ pub trait IndexFile {
     fn chunk_info(&self, pos: usize) -> Option<ChunkReadInfo>;
 
     /// Compute index checksum and size
-    fn compute_csum(&self) -> ([u8; 32], u64) {
+    fn compute_csum(&self) -> ([u8; 32], u64);
-        let mut csum = openssl::sha::Sha256::new();
-        let mut chunk_end = 0;
-        for pos in 0..self.index_count() {
-            let info = self.chunk_info(pos).unwrap();
-            chunk_end = info.range.end;
-            csum.update(&chunk_end.to_le_bytes());
-            csum.update(&info.digest);
-        }
-        let csum = csum.finish();
-
-        (csum, chunk_end)
-    }
 
     /// Returns most often used chunks
     fn find_most_used_chunks(&self, max: usize) -> HashMap<[u8; 32], usize> {

src/backup/key_derivation.rs

@@ -1,4 +1,4 @@
-use anyhow::{bail, format_err, Error};
+use anyhow::{bail, format_err, Context, Error};
 
 use serde::{Deserialize, Serialize};
 use chrono::{Local, TimeZone, DateTime};
@@ -146,12 +146,26 @@ pub fn encrypt_key_with_passphrase(
     })
 }
 
-pub fn load_and_decrypt_key(path: &std::path::Path, passphrase: &dyn Fn() -> Result<Vec<u8>, Error>) -> Result<([u8;32], DateTime<Local>), Error> {
+pub fn load_and_decrypt_key(
+    path: &std::path::Path,
+    passphrase: &dyn Fn() -> Result<Vec<u8>, Error>,
+) -> Result<([u8;32], DateTime<Local>), Error> {
+    do_load_and_decrypt_key(path, passphrase)
+        .with_context(|| format!("failed to load decryption key from {:?}", path))
+}
 
-    let raw = file_get_contents(&path)?;
+fn do_load_and_decrypt_key(
-    let data = String::from_utf8(raw)?;
+    path: &std::path::Path,
+    passphrase: &dyn Fn() -> Result<Vec<u8>, Error>,
+) -> Result<([u8;32], DateTime<Local>), Error> {
+    decrypt_key(&file_get_contents(&path)?, passphrase)
+}
 
-    let key_config: KeyConfig = serde_json::from_str(&data)?;
+pub fn decrypt_key(
+    mut keydata: &[u8],
+    passphrase: &dyn Fn() -> Result<Vec<u8>, Error>,
+) -> Result<([u8;32], DateTime<Local>), Error> {
+    let key_config: KeyConfig = serde_json::from_reader(&mut keydata)?;
 
     let raw_data = key_config.data;
     let created = key_config.created;

src/backup/manifest.rs

@@ -3,22 +3,56 @@ use std::convert::TryFrom;
 use std::path::Path;
 
 use serde_json::{json, Value};
+use ::serde::{Deserialize, Serialize};
 
-use crate::backup::BackupDir;
+use crate::backup::{BackupDir, CryptMode, CryptConfig};
 
 pub const MANIFEST_BLOB_NAME: &str = "index.json.blob";
 pub const CLIENT_LOG_BLOB_NAME: &str = "client.log.blob";
 
+mod hex_csum {
+    use serde::{self, Deserialize, Serializer, Deserializer};
+
+    pub fn serialize<S>(
+        csum: &[u8; 32],
+        serializer: S,
+    ) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        let s = proxmox::tools::digest_to_hex(csum);
+        serializer.serialize_str(&s)
+    }
+
+    pub fn deserialize<'de, D>(
+        deserializer: D,
+    ) -> Result<[u8; 32], D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        let s = String::deserialize(deserializer)?;
+        proxmox::tools::hex_to_digest(&s).map_err(serde::de::Error::custom)
+    }
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all="kebab-case")]
 pub struct FileInfo {
     pub filename: String,
-    pub encrypted: Option<bool>,
+    pub crypt_mode: CryptMode,
     pub size: u64,
+    #[serde(with = "hex_csum")]
     pub csum: [u8; 32],
 }
 
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all="kebab-case")]
 pub struct BackupManifest {
-    snapshot: BackupDir,
+    backup_type: String,
+    backup_id: String,
+    backup_time: i64,
     files: Vec<FileInfo>,
+    pub unprotected: Value,
 }
 
 #[derive(PartialEq)]
@@ -46,12 +80,18 @@ pub fn archive_type<P: AsRef<Path>>(
 impl BackupManifest {
 
     pub fn new(snapshot: BackupDir) -> Self {
-        Self { files: Vec::new(), snapshot }
+        Self {
+            backup_type: snapshot.group().backup_type().into(),
+            backup_id: snapshot.group().backup_id().into(),
+            backup_time: snapshot.backup_time().timestamp(),
+            files: Vec::new(),
+            unprotected: json!({}),
+        }
     }
 
-    pub fn add_file(&mut self, filename: String, size: u64, csum: [u8; 32], encrypted: Option<bool>) -> Result<(), Error> {
+    pub fn add_file(&mut self, filename: String, size: u64, csum: [u8; 32], crypt_mode: CryptMode) -> Result<(), Error> {
         let _archive_type = archive_type(&filename)?; // check type
-        self.files.push(FileInfo { filename, size, csum, encrypted });
+        self.files.push(FileInfo { filename, size, csum, crypt_mode });
         Ok(())
     }
 
@@ -84,31 +124,103 @@ impl BackupManifest {
         Ok(())
     }
 
-    pub fn into_json(self) -> Value {
+    // Generate cannonical json
-        json!({
+    fn to_canonical_json(value: &Value, output: &mut String) -> Result<(), Error> {
-            "backup-type": self.snapshot.group().backup_type(),
+        match value {
-            "backup-id": self.snapshot.group().backup_id(),
+            Value::Null => bail!("got unexpected null value"),
-            "backup-time": self.snapshot.backup_time().timestamp(),
+            Value::String(_) => {
-            "files": self.files.iter()
+                output.push_str(&serde_json::to_string(value)?);
-                .fold(Vec::new(), |mut acc, info| {
+             },
-                    let mut value = json!({
+            Value::Number(_) => {
-                        "filename": info.filename,
+                output.push_str(&serde_json::to_string(value)?);
-                        "encrypted": info.encrypted,
+            }
-                        "size": info.size,
+            Value::Bool(_) => {
-                        "csum": proxmox::tools::digest_to_hex(&info.csum),
+                output.push_str(&serde_json::to_string(value)?);
-                    });
+             },
+            Value::Array(list) => {
+                output.push('[');
+                for (i, item) in list.iter().enumerate() {
+                    if i != 0 { output.push(','); }
+                    Self::to_canonical_json(item, output)?;
+                }
+                output.push(']');
+              }
+            Value::Object(map) => {
+                output.push('{');
+                let mut keys: Vec<String> = map.keys().map(|s| s.clone()).collect();
+                keys.sort();
+                for (i, key) in keys.iter().enumerate() {
+                    let item = map.get(key).unwrap();
+                    if i != 0 { output.push(','); }
 
-                    if let Some(encrypted) = info.encrypted {
+                    output.push_str(&serde_json::to_string(&Value::String(key.clone()))?);
-                        value["encrypted"] = encrypted.into();
+                    output.push(':');
-                    }
+                    Self::to_canonical_json(item, output)?;
-
+                }
-                    acc.push(value);
+                output.push('}');
-                    acc
+            }
-                })
+        }
-        })
+        Ok(())
     }
 
+    /// Compute manifest signature
+    ///
+    /// By generating a HMAC SHA256 over the canonical json
+    /// representation, The 'unpreotected' property is excluded.
+    pub fn signature(&self, crypt_config: &CryptConfig) -> Result<[u8; 32], Error> {
+        Self::json_signature(&serde_json::to_value(&self)?, crypt_config)
+    }
+
+    fn json_signature(data: &Value, crypt_config: &CryptConfig) -> Result<[u8; 32], Error> {
+
+        let mut signed_data = data.clone();
+
+        signed_data.as_object_mut().unwrap().remove("unprotected"); // exclude
+
+        let mut canonical = String::new();
+        Self::to_canonical_json(&signed_data, &mut canonical)?;
+
+        let sig = crypt_config.compute_auth_tag(canonical.as_bytes());
+
+        Ok(sig)
+    }
+
+    /// Converts the Manifest into json string, and add a signature if there is a crypt_config.
+    pub fn to_string(&self, crypt_config: Option<&CryptConfig>) -> Result<String, Error> {
+
+        let mut manifest = serde_json::to_value(&self)?;
+
+        if let Some(crypt_config) = crypt_config {
+            let sig = self.signature(crypt_config)?;
+            manifest["signature"] = proxmox::tools::digest_to_hex(&sig).into();
+        }
+
+        let manifest = serde_json::to_string_pretty(&manifest).unwrap().into();
+        Ok(manifest)
+    }
+
+    /// Try to read the manifest. This verifies the signature if there is a crypt_config.
+    pub fn from_data(data: &[u8], crypt_config: Option<&CryptConfig>) -> Result<BackupManifest, Error> {
+        let json: Value = serde_json::from_slice(data)?;
+        let signature = json["signature"].as_str().map(String::from);
+
+        if let Some(ref crypt_config) = crypt_config {
+            if let Some(signature) = signature {
+                let expected_signature = proxmox::tools::digest_to_hex(&Self::json_signature(&json, crypt_config)?);
+                if signature != expected_signature {
+                    bail!("wrong signature in manifest");
+                }
+            } else {
+                // not signed: warn/fail?
+            }
+        }
+
+        let manifest: BackupManifest = serde_json::from_value(json)?;
+        Ok(manifest)
+    }
 }
+
+
 impl TryFrom<super::DataBlob> for BackupManifest {
     type Error = Error;
 
@@ -117,41 +229,50 @@ impl TryFrom<super::DataBlob> for BackupManifest {
             .map_err(|err| format_err!("decode backup manifest blob failed - {}", err))?;
         let json: Value = serde_json::from_slice(&data[..])
             .map_err(|err| format_err!("unable to parse backup manifest json - {}", err))?;
-        BackupManifest::try_from(json)
+        let manifest: BackupManifest = serde_json::from_value(json)?;
+        Ok(manifest)
     }
 }
 
-impl TryFrom<Value> for BackupManifest {
-    type Error = Error;
 
-    fn try_from(data: Value) -> Result<Self, Error> {
+#[test]
+fn test_manifest_signature() -> Result<(), Error> {
 
-        use crate::tools::{required_string_property, required_integer_property, required_array_property};
+    use crate::backup::{KeyDerivationConfig};
 
-        proxmox::try_block!({
+    let pw = b"test";
-            let backup_type = required_string_property(&data, "backup-type")?;
-            let backup_id = required_string_property(&data, "backup-id")?;
-            let backup_time = required_integer_property(&data, "backup-time")?;
 
-            let snapshot = BackupDir::new(backup_type, backup_id, backup_time);
+    let kdf = KeyDerivationConfig::Scrypt {
+        n: 65536,
+        r: 8,
+        p: 1,
+        salt: Vec::new(),
+    };
 
-            let mut manifest = BackupManifest::new(snapshot);
+    let testkey = kdf.derive_key(pw)?;
 
-            for item in required_array_property(&data, "files")?.iter() {
+    let crypt_config = CryptConfig::new(testkey)?;
-                let filename = required_string_property(item, "filename")?.to_owned();
-                let csum = required_string_property(item, "csum")?;
-                let csum = proxmox::tools::hex_to_digest(csum)?;
-                let size = required_integer_property(item, "size")? as u64;
-                let encrypted = item["encrypted"].as_bool();
-                manifest.add_file(filename, size, csum, encrypted)?;
-            }
 
-            if manifest.files().is_empty() {
+    let snapshot: BackupDir = "host/elsa/2020-06-26T13:56:05Z".parse()?;
-                bail!("manifest does not list any files.");
-            }
 
-            Ok(manifest)
+    let mut manifest = BackupManifest::new(snapshot);
-        }).map_err(|err: Error| format_err!("unable to parse backup manifest - {}", err))
 
-    }
+    manifest.add_file("test1.img.fidx".into(), 200, [1u8; 32], CryptMode::Encrypt)?;
+    manifest.add_file("abc.blob".into(), 200, [2u8; 32], CryptMode::None)?;
+
+    manifest.unprotected["note"] = "This is not protected by the signature.".into();
+
+    let text = manifest.to_string(Some(&crypt_config))?;
+
+    let manifest: Value = serde_json::from_str(&text)?;
+    let signature = manifest["signature"].as_str().unwrap().to_string();
+
+    assert_eq!(signature, "d7b446fb7db081662081d4b40fedd858a1d6307a5aff4ecff7d5bf4fd35679e9");
+
+    let manifest: BackupManifest = serde_json::from_value(manifest)?;
+    let expected_signature = proxmox::tools::digest_to_hex(&manifest.signature(&crypt_config)?);
+
+    assert_eq!(signature, expected_signature);
+
+    Ok(())
 }

src/backup/read_chunk.rs

@@ -11,10 +11,10 @@ use super::datastore::DataStore;
 /// The ReadChunk trait allows reading backup data chunks (local or remote)
 pub trait ReadChunk {
     /// Returns the encoded chunk data
-    fn read_raw_chunk(&mut self, digest: &[u8; 32]) -> Result<DataBlob, Error>;
+    fn read_raw_chunk(&self, digest: &[u8; 32]) -> Result<DataBlob, Error>;
 
     /// Returns the decoded chunk data
-    fn read_chunk(&mut self, digest: &[u8; 32]) -> Result<Vec<u8>, Error>;
+    fn read_chunk(&self, digest: &[u8; 32]) -> Result<Vec<u8>, Error>;
 }
 
 #[derive(Clone)]
@@ -33,7 +33,7 @@ impl LocalChunkReader {
 }
 
 impl ReadChunk for LocalChunkReader {
-    fn read_raw_chunk(&mut self, digest: &[u8; 32]) -> Result<DataBlob, Error> {
+    fn read_raw_chunk(&self, digest: &[u8; 32]) -> Result<DataBlob, Error> {
         let (path, _) = self.store.chunk_path(digest);
         let raw_data = proxmox::tools::fs::file_get_contents(&path)?;
         let chunk = DataBlob::from_raw(raw_data)?;
@@ -42,7 +42,7 @@ impl ReadChunk for LocalChunkReader {
         Ok(chunk)
     }
 
-    fn read_chunk(&mut self, digest: &[u8; 32]) -> Result<Vec<u8>, Error> {
+    fn read_chunk(&self, digest: &[u8; 32]) -> Result<Vec<u8>, Error> {
         let chunk = ReadChunk::read_raw_chunk(self, digest)?;
 
         let raw_data = chunk.decode(self.crypt_config.as_ref().map(Arc::as_ref))?;
@@ -56,20 +56,20 @@ impl ReadChunk for LocalChunkReader {
 pub trait AsyncReadChunk: Send {
     /// Returns the encoded chunk data
     fn read_raw_chunk<'a>(
-        &'a mut self,
+        &'a self,
         digest: &'a [u8; 32],
     ) -> Pin<Box<dyn Future<Output = Result<DataBlob, Error>> + Send + 'a>>;
 
     /// Returns the decoded chunk data
     fn read_chunk<'a>(
-        &'a mut self,
+        &'a self,
         digest: &'a [u8; 32],
     ) -> Pin<Box<dyn Future<Output = Result<Vec<u8>, Error>> + Send + 'a>>;
 }
 
 impl AsyncReadChunk for LocalChunkReader {
     fn read_raw_chunk<'a>(
-        &'a mut self,
+        &'a self,
         digest: &'a [u8; 32],
     ) -> Pin<Box<dyn Future<Output = Result<DataBlob, Error>> + Send + 'a>> {
         Box::pin(async move{
@@ -84,7 +84,7 @@ impl AsyncReadChunk for LocalChunkReader {
     }
 
     fn read_chunk<'a>(
-        &'a mut self,
+        &'a self,
         digest: &'a [u8; 32],
     ) -> Pin<Box<dyn Future<Output = Result<Vec<u8>, Error>> + Send + 'a>> {
         Box::pin(async move {

src/backup/verify.rs

@@ -101,7 +101,7 @@ fn verify_dynamic_index(datastore: &DataStore, backup_dir: &BackupDir, info: &Fi
 pub fn verify_backup_dir(datastore: &DataStore, backup_dir: &BackupDir, worker: &WorkerTask) -> Result<bool, Error> {
 
     let manifest = match datastore.load_manifest(&backup_dir) {
-        Ok((manifest, _)) => manifest,
+        Ok((manifest, _crypt_mode, _)) => manifest,
         Err(err) => {
             worker.log(format!("verify {}:{} - manifest load error: {}", datastore.name(), backup_dir, err));
             return Ok(false);

src/bin/proxmox_backup_client/benchmark.rs

@@ -0,0 +1,81 @@
+use std::path::PathBuf;
+use std::sync::Arc;
+
+use anyhow::{Error};
+use serde_json::Value;
+use chrono::{TimeZone, Utc};
+
+use proxmox::api::{ApiMethod, RpcEnvironment};
+use proxmox::api::api;
+
+use proxmox_backup::backup::{
+   load_and_decrypt_key,
+   CryptConfig,
+
+};
+
+use proxmox_backup::client::*;
+
+use crate::{
+    KEYFILE_SCHEMA, REPO_URL_SCHEMA,
+    extract_repository_from_value,
+    record_repository,
+    connect,
+};
+
+#[api(
+   input: {
+       properties: {
+           repository: {
+               schema: REPO_URL_SCHEMA,
+               optional: true,
+           },
+           keyfile: {
+               schema: KEYFILE_SCHEMA,
+               optional: true,
+           },
+       }
+   }
+)]
+/// Run benchmark tests
+pub async fn benchmark(
+    param: Value,
+    _info: &ApiMethod,
+    _rpcenv: &mut dyn RpcEnvironment,
+) -> Result<(), Error> {
+
+    let repo = extract_repository_from_value(&param)?;
+
+    let keyfile = param["keyfile"].as_str().map(PathBuf::from);
+
+    let crypt_config = match keyfile {
+        None => None,
+        Some(path) => {
+            let (key, _) = load_and_decrypt_key(&path, &crate::key::get_encryption_key_password)?;
+            let crypt_config = CryptConfig::new(key)?;
+            Some(Arc::new(crypt_config))
+        }
+    };
+
+    let backup_time = Utc.timestamp(Utc::now().timestamp(), 0);
+
+    let client = connect(repo.host(), repo.user())?;
+    record_repository(&repo);
+
+    let client = BackupWriter::start(
+        client,
+        crypt_config.clone(),
+        repo.store(),
+        "host",
+        "benshmark",
+        backup_time,
+        false,
+    ).await?;
+
+    println!("Start upload speed test");
+    let speed = client.upload_speedtest().await?;
+
+    println!("Upload speed: {} MiB/s", speed);
+
+    Ok(())
+}

src/bin/proxmox_backup_client/catalog.rs

@@ -0,0 +1,246 @@
+use std::os::unix::fs::OpenOptionsExt;
+use std::io::{Seek, SeekFrom};
+use std::path::PathBuf;
+use std::sync::Arc;
+
+use anyhow::{bail, format_err, Error};
+use serde_json::Value;
+
+use proxmox::api::{api, cli::*};
+
+use proxmox_backup::tools;
+
+use proxmox_backup::client::*;
+
+use crate::{
+    REPO_URL_SCHEMA,
+    extract_repository_from_value,
+    record_repository,
+    api_datastore_latest_snapshot,
+    complete_repository,
+    complete_backup_snapshot,
+    complete_group_or_snapshot,
+    complete_pxar_archive_name,
+    connect,
+    BackupDir,
+    BackupGroup,
+    BufferedDynamicReader,
+    BufferedDynamicReadAt,
+    CatalogReader,
+    CATALOG_NAME,
+    CryptConfig,
+    DynamicIndexReader,
+    IndexFile,
+    Shell,
+};
+
+use proxmox_backup::backup::load_and_decrypt_key;
+
+use crate::key::get_encryption_key_password;
+
+#[api(
+   input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            snapshot: {
+                type: String,
+                description: "Snapshot path.",
+             },
+        }
+   }
+)]
+/// Dump catalog.
+async fn dump_catalog(param: Value) -> Result<Value, Error> {
+
+    let repo = extract_repository_from_value(&param)?;
+
+    let path = tools::required_string_param(&param, "snapshot")?;
+    let snapshot: BackupDir = path.parse()?;
+
+    let keyfile = param["keyfile"].as_str().map(PathBuf::from);
+
+    let crypt_config = match keyfile {
+        None => None,
+        Some(path) => {
+            let (key, _) = load_and_decrypt_key(&path, &get_encryption_key_password)?;
+            Some(Arc::new(CryptConfig::new(key)?))
+        }
+    };
+
+    let client = connect(repo.host(), repo.user())?;
+
+    let client = BackupReader::start(
+        client,
+        crypt_config.clone(),
+        repo.store(),
+        &snapshot.group().backup_type(),
+        &snapshot.group().backup_id(),
+        snapshot.backup_time(),
+        true,
+    ).await?;
+
+    let (manifest, _) = client.download_manifest().await?;
+
+    let index = client.download_dynamic_index(&manifest, CATALOG_NAME).await?;
+
+    let most_used = index.find_most_used_chunks(8);
+
+    let chunk_reader = RemoteChunkReader::new(client.clone(), crypt_config, most_used);
+
+    let mut reader = BufferedDynamicReader::new(index, chunk_reader);
+
+    let mut catalogfile = std::fs::OpenOptions::new()
+        .write(true)
+        .read(true)
+        .custom_flags(libc::O_TMPFILE)
+        .open("/tmp")?;
+
+    std::io::copy(&mut reader, &mut catalogfile)
+        .map_err(|err| format_err!("unable to download catalog - {}", err))?;
+
+    catalogfile.seek(SeekFrom::Start(0))?;
+
+    let mut catalog_reader = CatalogReader::new(catalogfile);
+
+    catalog_reader.dump()?;
+
+    record_repository(&repo);
+
+    Ok(Value::Null)
+}
+
+#[api(
+    input: {
+        properties: {
+            "snapshot": {
+                type: String,
+                description: "Group/Snapshot path.",
+            },
+            "archive-name": {
+                type: String,
+                description: "Backup archive name.",
+            },
+            "repository": {
+                optional: true,
+                schema: REPO_URL_SCHEMA,
+            },
+            "keyfile": {
+                optional: true,
+                type: String,
+                description: "Path to encryption key.",
+            },
+        },
+    },
+)]
+/// Shell to interactively inspect and restore snapshots.
+async fn catalog_shell(param: Value) -> Result<(), Error> {
+    let repo = extract_repository_from_value(&param)?;
+    let client = connect(repo.host(), repo.user())?;
+    let path = tools::required_string_param(&param, "snapshot")?;
+    let archive_name = tools::required_string_param(&param, "archive-name")?;
+
+    let (backup_type, backup_id, backup_time) = if path.matches('/').count() == 1 {
+        let group: BackupGroup = path.parse()?;
+        api_datastore_latest_snapshot(&client, repo.store(), group).await?
+    } else {
+        let snapshot: BackupDir = path.parse()?;
+        (snapshot.group().backup_type().to_owned(), snapshot.group().backup_id().to_owned(), snapshot.backup_time())
+    };
+
+    let keyfile = param["keyfile"].as_str().map(|p| PathBuf::from(p));
+    let crypt_config = match keyfile {
+        None => None,
+        Some(path) => {
+            let (key, _) = load_and_decrypt_key(&path, &get_encryption_key_password)?;
+            Some(Arc::new(CryptConfig::new(key)?))
+        }
+    };
+
+    let server_archive_name = if archive_name.ends_with(".pxar") {
+        format!("{}.didx", archive_name)
+    } else {
+        bail!("Can only mount pxar archives.");
+    };
+
+    let client = BackupReader::start(
+        client,
+        crypt_config.clone(),
+        repo.store(),
+        &backup_type,
+        &backup_id,
+        backup_time,
+        true,
+    ).await?;
+
+    let mut tmpfile = std::fs::OpenOptions::new()
+        .write(true)
+        .read(true)
+        .custom_flags(libc::O_TMPFILE)
+        .open("/tmp")?;
+
+    let (manifest, _) = client.download_manifest().await?;
+
+    let index = client.download_dynamic_index(&manifest, &server_archive_name).await?;
+    let most_used = index.find_most_used_chunks(8);
+    let chunk_reader = RemoteChunkReader::new(client.clone(), crypt_config.clone(), most_used);
+    let reader = BufferedDynamicReader::new(index, chunk_reader);
+    let archive_size = reader.archive_size();
+    let reader: proxmox_backup::pxar::fuse::Reader =
+        Arc::new(BufferedDynamicReadAt::new(reader));
+    let decoder = proxmox_backup::pxar::fuse::Accessor::new(reader, archive_size).await?;
+
+    client.download(CATALOG_NAME, &mut tmpfile).await?;
+    let index = DynamicIndexReader::new(tmpfile)
+        .map_err(|err| format_err!("unable to read catalog index - {}", err))?;
+
+    // Note: do not use values stored in index (not trusted) - instead, computed them again
+    let (csum, size) = index.compute_csum();
+    manifest.verify_file(CATALOG_NAME, &csum, size)?;
+
+    let most_used = index.find_most_used_chunks(8);
+    let chunk_reader = RemoteChunkReader::new(client.clone(), crypt_config, most_used);
+    let mut reader = BufferedDynamicReader::new(index, chunk_reader);
+    let mut catalogfile = std::fs::OpenOptions::new()
+        .write(true)
+        .read(true)
+        .custom_flags(libc::O_TMPFILE)
+        .open("/tmp")?;
+
+    std::io::copy(&mut reader, &mut catalogfile)
+        .map_err(|err| format_err!("unable to download catalog - {}", err))?;
+
+    catalogfile.seek(SeekFrom::Start(0))?;
+    let catalog_reader = CatalogReader::new(catalogfile);
+    let state = Shell::new(
+        catalog_reader,
+        &server_archive_name,
+        decoder,
+    ).await?;
+
+    println!("Starting interactive shell");
+    state.shell().await?;
+
+    record_repository(&repo);
+
+    Ok(())
+}
+
+pub fn catalog_mgmt_cli() -> CliCommandMap {
+    let catalog_shell_cmd_def = CliCommand::new(&API_METHOD_CATALOG_SHELL)
+        .arg_param(&["snapshot", "archive-name"])
+        .completion_cb("repository", complete_repository)
+        .completion_cb("archive-name", complete_pxar_archive_name)
+        .completion_cb("snapshot", complete_group_or_snapshot);
+
+    let catalog_dump_cmd_def = CliCommand::new(&API_METHOD_DUMP_CATALOG)
+        .arg_param(&["snapshot"])
+        .completion_cb("repository", complete_repository)
+        .completion_cb("snapshot", complete_backup_snapshot);
+
+    CliCommandMap::new()
+        .insert("dump", catalog_dump_cmd_def)
+        .insert("shell", catalog_shell_cmd_def)
+}

src/bin/proxmox_backup_client/key.rs

@@ -0,0 +1,274 @@
+use std::path::PathBuf;
+
+use anyhow::{bail, format_err, Error};
+use chrono::{Local, TimeZone};
+use serde::{Deserialize, Serialize};
+
+use proxmox::api::api;
+use proxmox::api::cli::{CliCommand, CliCommandMap};
+use proxmox::sys::linux::tty;
+use proxmox::tools::fs::{file_get_contents, replace_file, CreateOptions};
+
+use proxmox_backup::backup::{
+    encrypt_key_with_passphrase, load_and_decrypt_key, store_key_config, KeyConfig,
+};
+use proxmox_backup::tools;
+
+pub const DEFAULT_ENCRYPTION_KEY_FILE_NAME: &str = "encryption-key.json";
+pub const MASTER_PUBKEY_FILE_NAME: &str = "master-public.pem";
+
+pub fn find_master_pubkey() -> Result<Option<PathBuf>, Error> {
+    super::find_xdg_file(MASTER_PUBKEY_FILE_NAME, "main public key file")
+}
+
+pub fn place_master_pubkey() -> Result<PathBuf, Error> {
+    super::place_xdg_file(MASTER_PUBKEY_FILE_NAME, "main public key file")
+}
+
+pub fn find_default_encryption_key() -> Result<Option<PathBuf>, Error> {
+    super::find_xdg_file(DEFAULT_ENCRYPTION_KEY_FILE_NAME, "default encryption key file")
+}
+
+pub fn place_default_encryption_key() -> Result<PathBuf, Error> {
+    super::place_xdg_file(DEFAULT_ENCRYPTION_KEY_FILE_NAME, "default encryption key file")
+}
+
+pub fn read_optional_default_encryption_key() -> Result<Option<Vec<u8>>, Error> {
+    find_default_encryption_key()?
+        .map(file_get_contents)
+        .transpose()
+}
+
+pub fn get_encryption_key_password() -> Result<Vec<u8>, Error> {
+    // fixme: implement other input methods
+
+    use std::env::VarError::*;
+    match std::env::var("PBS_ENCRYPTION_PASSWORD") {
+        Ok(p) => return Ok(p.as_bytes().to_vec()),
+        Err(NotUnicode(_)) => bail!("PBS_ENCRYPTION_PASSWORD contains bad characters"),
+        Err(NotPresent) => {
+            // Try another method
+        }
+    }
+
+    // If we're on a TTY, query the user for a password
+    if tty::stdin_isatty() {
+        return Ok(tty::read_password("Encryption Key Password: ")?);
+    }
+
+    bail!("no password input mechanism available");
+}
+
+#[api(
+    default: "scrypt",
+)]
+#[derive(Clone, Copy, Debug, Deserialize, Serialize)]
+#[serde(rename_all = "kebab-case")]
+/// Key derivation function for password protected encryption keys.
+pub enum Kdf {
+    /// Do not encrypt the key.
+    None,
+
+    /// Encrypt they key with a password using SCrypt.
+    Scrypt,
+}
+
+impl Default for Kdf {
+    #[inline]
+    fn default() -> Self {
+        Kdf::Scrypt
+    }
+}
+
+#[api(
+    input: {
+        properties: {
+            kdf: {
+                type: Kdf,
+                optional: true,
+            },
+            path: {
+                description:
+                    "Output file. Without this the key will become the new default encryption key.",
+                optional: true,
+            }
+        },
+    },
+)]
+/// Create a new encryption key.
+fn create(kdf: Option<Kdf>, path: Option<String>) -> Result<(), Error> {
+    let path = match path {
+        Some(path) => PathBuf::from(path),
+        None => place_default_encryption_key()?,
+    };
+
+    let kdf = kdf.unwrap_or_default();
+
+    let key = proxmox::sys::linux::random_data(32)?;
+
+    match kdf {
+        Kdf::None => {
+            let created = Local.timestamp(Local::now().timestamp(), 0);
+
+            store_key_config(
+                &path,
+                false,
+                KeyConfig {
+                    kdf: None,
+                    created,
+                    modified: created,
+                    data: key,
+                },
+            )?;
+        }
+        Kdf::Scrypt => {
+            // always read passphrase from tty
+            if !tty::stdin_isatty() {
+                bail!("unable to read passphrase - no tty");
+            }
+
+            let password = tty::read_and_verify_password("Encryption Key Password: ")?;
+
+            let key_config = encrypt_key_with_passphrase(&key, &password)?;
+
+            store_key_config(&path, false, key_config)?;
+        }
+    }
+
+    Ok(())
+}
+
+#[api(
+    input: {
+        properties: {
+            kdf: {
+                type: Kdf,
+                optional: true,
+            },
+            path: {
+                description: "Key file. Without this the default key's password will be changed.",
+                optional: true,
+            }
+        },
+    },
+)]
+/// Change the encryption key's password.
+fn change_passphrase(kdf: Option<Kdf>, path: Option<String>) -> Result<(), Error> {
+    let path = match path {
+        Some(path) => PathBuf::from(path),
+        None => find_default_encryption_key()?
+            .ok_or_else(|| format_err!("no encryption file provided and no default file found"))?,
+    };
+
+    let kdf = kdf.unwrap_or_default();
+
+    if !tty::stdin_isatty() {
+        bail!("unable to change passphrase - no tty");
+    }
+
+    let (key, created) = load_and_decrypt_key(&path, &get_encryption_key_password)?;
+
+    match kdf {
+        Kdf::None => {
+            let modified = Local.timestamp(Local::now().timestamp(), 0);
+
+            store_key_config(
+                &path,
+                true,
+                KeyConfig {
+                    kdf: None,
+                    created, // keep original value
+                    modified,
+                    data: key.to_vec(),
+                },
+            )?;
+        }
+        Kdf::Scrypt => {
+            let password = tty::read_and_verify_password("New Password: ")?;
+
+            let mut new_key_config = encrypt_key_with_passphrase(&key, &password)?;
+            new_key_config.created = created; // keep original value
+
+            store_key_config(&path, true, new_key_config)?;
+        }
+    }
+
+    Ok(())
+}
+
+#[api(
+    input: {
+        properties: {
+            path: {
+                description: "Path to the PEM formatted RSA public key.",
+            },
+        },
+    },
+)]
+/// Import an RSA public key used to put an encrypted version of the symmetric backup encryption
+/// key onto the backup server along with each backup.
+fn import_master_pubkey(path: String) -> Result<(), Error> {
+    let pem_data = file_get_contents(&path)?;
+
+    if let Err(err) = openssl::pkey::PKey::public_key_from_pem(&pem_data) {
+        bail!("Unable to decode PEM data - {}", err);
+    }
+
+    let target_path = place_master_pubkey()?;
+
+    replace_file(&target_path, &pem_data, CreateOptions::new())?;
+
+    println!("Imported public master key to {:?}", target_path);
+
+    Ok(())
+}
+
+#[api]
+/// Create an RSA public/private key pair used to put an encrypted version of the symmetric backup
+/// encryption key onto the backup server along with each backup.
+fn create_master_key() -> Result<(), Error> {
+    // we need a TTY to query the new password
+    if !tty::stdin_isatty() {
+        bail!("unable to create master key - no tty");
+    }
+
+    let rsa = openssl::rsa::Rsa::generate(4096)?;
+    let pkey = openssl::pkey::PKey::from_rsa(rsa)?;
+
+    let password = String::from_utf8(tty::read_and_verify_password("Master Key Password: ")?)?;
+
+    let pub_key: Vec<u8> = pkey.public_key_to_pem()?;
+    let filename_pub = "master-public.pem";
+    println!("Writing public master key to {}", filename_pub);
+    replace_file(filename_pub, pub_key.as_slice(), CreateOptions::new())?;
+
+    let cipher = openssl::symm::Cipher::aes_256_cbc();
+    let priv_key: Vec<u8> = pkey.private_key_to_pem_pkcs8_passphrase(cipher, password.as_bytes())?;
+
+    let filename_priv = "master-private.pem";
+    println!("Writing private master key to {}", filename_priv);
+    replace_file(filename_priv, priv_key.as_slice(), CreateOptions::new())?;
+
+    Ok(())
+}
+
+pub fn cli() -> CliCommandMap {
+    let key_create_cmd_def = CliCommand::new(&API_METHOD_CREATE)
+        .arg_param(&["path"])
+        .completion_cb("path", tools::complete_file_name);
+
+    let key_change_passphrase_cmd_def = CliCommand::new(&API_METHOD_CHANGE_PASSPHRASE)
+        .arg_param(&["path"])
+        .completion_cb("path", tools::complete_file_name);
+
+    let key_create_master_key_cmd_def = CliCommand::new(&API_METHOD_CREATE_MASTER_KEY);
+    let key_import_master_pubkey_cmd_def = CliCommand::new(&API_METHOD_IMPORT_MASTER_PUBKEY)
+        .arg_param(&["path"])
+        .completion_cb("path", tools::complete_file_name);
+
+    CliCommandMap::new()
+        .insert("create", key_create_cmd_def)
+        .insert("create-master-key", key_create_master_key_cmd_def)
+        .insert("import-master-pubkey", key_import_master_pubkey_cmd_def)
+        .insert("change-passphrase", key_change_passphrase_cmd_def)
+}

src/bin/proxmox_backup_client/mod.rs

@@ -0,0 +1,39 @@
+use anyhow::{Context, Error};
+
+mod benchmark;
+pub use benchmark::*;
+mod mount;
+pub use mount::*;
+mod task;
+pub use task::*;
+mod catalog;
+pub use catalog::*;
+
+pub mod key;
+
+pub fn base_directories() -> Result<xdg::BaseDirectories, Error> {
+    xdg::BaseDirectories::with_prefix("proxmox-backup").map_err(Error::from)
+}
+
+/// Convenience helper for better error messages:
+pub fn find_xdg_file(
+    file_name: impl AsRef<std::path::Path>,
+    description: &'static str,
+) -> Result<Option<std::path::PathBuf>, Error> {
+    let file_name = file_name.as_ref();
+    base_directories()
+        .map(|base| base.find_config_file(file_name))
+        .with_context(|| format!("error searching for {}", description))
+}
+
+pub fn place_xdg_file(
+    file_name: impl AsRef<std::path::Path>,
+    description: &'static str,
+) -> Result<std::path::PathBuf, Error> {
+    let file_name = file_name.as_ref();
+    base_directories()
+        .and_then(|base| {
+            base.place_config_file(file_name).map_err(Error::from)
+        })
+        .with_context(|| format!("failed to place {} in xdg home", description))
+}

src/bin/proxmox_backup_client/mount.rs

@@ -0,0 +1,195 @@
+use std::path::PathBuf;
+use std::sync::Arc;
+use std::os::unix::io::RawFd;
+use std::path::Path;
+use std::ffi::OsStr;
+
+use anyhow::{bail, format_err, Error};
+use serde_json::Value;
+use tokio::signal::unix::{signal, SignalKind};
+use nix::unistd::{fork, ForkResult, pipe};
+use futures::select;
+use futures::future::FutureExt;
+
+use proxmox::{sortable, identity};
+use proxmox::api::{ApiHandler, ApiMethod, RpcEnvironment, schema::*, cli::*};
+
+
+use proxmox_backup::tools;
+use proxmox_backup::backup::{
+    load_and_decrypt_key,
+    CryptConfig,
+    IndexFile,
+    BackupDir,
+    BackupGroup,
+    BufferedDynamicReader,
+};
+
+use proxmox_backup::client::*;
+
+use crate::{
+    REPO_URL_SCHEMA,
+    extract_repository_from_value,
+    complete_pxar_archive_name,
+    complete_group_or_snapshot,
+    complete_repository,
+    record_repository,
+    connect,
+    api_datastore_latest_snapshot,
+    BufferedDynamicReadAt,
+};
+
+#[sortable]
+const API_METHOD_MOUNT: ApiMethod = ApiMethod::new(
+    &ApiHandler::Sync(&mount),
+    &ObjectSchema::new(
+        "Mount pxar archive.",
+        &sorted!([
+            ("snapshot", false, &StringSchema::new("Group/Snapshot path.").schema()),
+            ("archive-name", false, &StringSchema::new("Backup archive name.").schema()),
+            ("target", false, &StringSchema::new("Target directory path.").schema()),
+            ("repository", true, &REPO_URL_SCHEMA),
+            ("keyfile", true, &StringSchema::new("Path to encryption key.").schema()),
+            ("verbose", true, &BooleanSchema::new("Verbose output.").default(false).schema()),
+        ]),
+    )
+);
+
+pub fn mount_cmd_def() -> CliCommand {
+
+    CliCommand::new(&API_METHOD_MOUNT)
+        .arg_param(&["snapshot", "archive-name", "target"])
+        .completion_cb("repository", complete_repository)
+        .completion_cb("snapshot", complete_group_or_snapshot)
+        .completion_cb("archive-name", complete_pxar_archive_name)
+        .completion_cb("target", tools::complete_file_name)
+}
+
+fn mount(
+    param: Value,
+    _info: &ApiMethod,
+    _rpcenv: &mut dyn RpcEnvironment,
+) -> Result<Value, Error> {
+
+    let verbose = param["verbose"].as_bool().unwrap_or(false);
+    if verbose {
+        // This will stay in foreground with debug output enabled as None is
+        // passed for the RawFd.
+        return proxmox_backup::tools::runtime::main(mount_do(param, None));
+    }
+
+    // Process should be deamonized.
+    // Make sure to fork before the async runtime is instantiated to avoid troubles.
+    let pipe = pipe()?;
+    match fork() {
+        Ok(ForkResult::Parent { .. }) => {
+            nix::unistd::close(pipe.1).unwrap();
+            // Blocks the parent process until we are ready to go in the child
+            let _res = nix::unistd::read(pipe.0, &mut [0]).unwrap();
+            Ok(Value::Null)
+        }
+        Ok(ForkResult::Child) => {
+            nix::unistd::close(pipe.0).unwrap();
+            nix::unistd::setsid().unwrap();
+            proxmox_backup::tools::runtime::main(mount_do(param, Some(pipe.1)))
+        }
+        Err(_) => bail!("failed to daemonize process"),
+    }
+}
+
+async fn mount_do(param: Value, pipe: Option<RawFd>) -> Result<Value, Error> {
+    let repo = extract_repository_from_value(&param)?;
+    let archive_name = tools::required_string_param(&param, "archive-name")?;
+    let target = tools::required_string_param(&param, "target")?;
+    let client = connect(repo.host(), repo.user())?;
+
+    record_repository(&repo);
+
+    let path = tools::required_string_param(&param, "snapshot")?;
+    let (backup_type, backup_id, backup_time) = if path.matches('/').count() == 1 {
+        let group: BackupGroup = path.parse()?;
+        api_datastore_latest_snapshot(&client, repo.store(), group).await?
+    } else {
+        let snapshot: BackupDir = path.parse()?;
+        (snapshot.group().backup_type().to_owned(), snapshot.group().backup_id().to_owned(), snapshot.backup_time())
+    };
+
+    let keyfile = param["keyfile"].as_str().map(PathBuf::from);
+    let crypt_config = match keyfile {
+        None => None,
+        Some(path) => {
+            let (key, _) = load_and_decrypt_key(&path, &crate::key::get_encryption_key_password)?;
+            Some(Arc::new(CryptConfig::new(key)?))
+        }
+    };
+
+    let server_archive_name = if archive_name.ends_with(".pxar") {
+        format!("{}.didx", archive_name)
+    } else {
+        bail!("Can only mount pxar archives.");
+    };
+
+    let client = BackupReader::start(
+        client,
+        crypt_config.clone(),
+        repo.store(),
+        &backup_type,
+        &backup_id,
+        backup_time,
+        true,
+    ).await?;
+
+    let (manifest, _) = client.download_manifest().await?;
+
+    if server_archive_name.ends_with(".didx") {
+        let index = client.download_dynamic_index(&manifest, &server_archive_name).await?;
+        let most_used = index.find_most_used_chunks(8);
+        let chunk_reader = RemoteChunkReader::new(client.clone(), crypt_config, most_used);
+        let reader = BufferedDynamicReader::new(index, chunk_reader);
+        let archive_size = reader.archive_size();
+        let reader: proxmox_backup::pxar::fuse::Reader =
+            Arc::new(BufferedDynamicReadAt::new(reader));
+        let decoder = proxmox_backup::pxar::fuse::Accessor::new(reader, archive_size).await?;
+        let options = OsStr::new("ro,default_permissions");
+
+        let session = proxmox_backup::pxar::fuse::Session::mount(
+            decoder,
+            &options,
+            false,
+            Path::new(target),
+        )
+        .map_err(|err| format_err!("pxar mount failed: {}", err))?;
+
+        if let Some(pipe) = pipe {
+            nix::unistd::chdir(Path::new("/")).unwrap();
+            // Finish creation of daemon by redirecting filedescriptors.
+            let nullfd = nix::fcntl::open(
+                "/dev/null",
+                nix::fcntl::OFlag::O_RDWR,
+                nix::sys::stat::Mode::empty(),
+            ).unwrap();
+            nix::unistd::dup2(nullfd, 0).unwrap();
+            nix::unistd::dup2(nullfd, 1).unwrap();
+            nix::unistd::dup2(nullfd, 2).unwrap();
+            if nullfd > 2 {
+                nix::unistd::close(nullfd).unwrap();
+            }
+            // Signal the parent process that we are done with the setup and it can
+            // terminate.
+            nix::unistd::write(pipe, &[0u8])?;
+            nix::unistd::close(pipe).unwrap();
+        }
+
+        let mut interrupt = signal(SignalKind::interrupt())?;
+        select! {
+            res = session.fuse() => res?,
+            _ = interrupt.recv().fuse() => {
+                // exit on interrupted
+            }
+        }
+    } else {
+        bail!("unknown archive file extension (expected .pxar)");
+    }
+
+    Ok(Value::Null)
+}

src/bin/proxmox_backup_client/task.rs

@@ -0,0 +1,148 @@
+use anyhow::{Error};
+use serde_json::{json, Value};
+
+use proxmox::api::{api, cli::*};
+
+use proxmox_backup::tools;
+
+use proxmox_backup::client::*;
+use proxmox_backup::api2::types::UPID_SCHEMA;
+
+use crate::{
+    REPO_URL_SCHEMA,
+    extract_repository_from_value,
+    complete_repository,
+    connect,
+};
+
+#[api(
+    input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            limit: {
+                description: "The maximal number of tasks to list.",
+                type: Integer,
+                optional: true,
+                minimum: 1,
+                maximum: 1000,
+                default: 50,
+            },
+            "output-format": {
+                schema: OUTPUT_FORMAT,
+                optional: true,
+            },
+            all: {
+                type: Boolean,
+                description: "Also list stopped tasks.",
+                optional: true,
+            },
+        }
+    }
+)]
+/// List running server tasks for this repo user
+async fn task_list(param: Value) -> Result<Value, Error> {
+
+    let output_format = get_output_format(&param);
+
+    let repo = extract_repository_from_value(&param)?;
+    let client = connect(repo.host(), repo.user())?;
+
+    let limit = param["limit"].as_u64().unwrap_or(50) as usize;
+    let running = !param["all"].as_bool().unwrap_or(false);
+
+    let args = json!({
+        "running": running,
+        "start": 0,
+        "limit": limit,
+        "userfilter": repo.user(),
+        "store": repo.store(),
+    });
+
+    let mut result = client.get("api2/json/nodes/localhost/tasks", Some(args)).await?;
+    let mut data = result["data"].take();
+
+    let schema = &proxmox_backup::api2::node::tasks::API_RETURN_SCHEMA_LIST_TASKS;
+
+    let options = default_table_format_options()
+        .column(ColumnConfig::new("starttime").right_align(false).renderer(tools::format::render_epoch))
+        .column(ColumnConfig::new("endtime").right_align(false).renderer(tools::format::render_epoch))
+        .column(ColumnConfig::new("upid"))
+        .column(ColumnConfig::new("status").renderer(tools::format::render_task_status));
+
+    format_and_print_result_full(&mut data, schema, &output_format, &options);
+
+    Ok(Value::Null)
+}
+
+#[api(
+    input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            upid: {
+                schema: UPID_SCHEMA,
+            },
+        }
+    }
+)]
+/// Display the task log.
+async fn task_log(param: Value) -> Result<Value, Error> {
+
+    let repo = extract_repository_from_value(&param)?;
+    let upid =  tools::required_string_param(&param, "upid")?;
+
+    let client = connect(repo.host(), repo.user())?;
+
+    display_task_log(client, upid, true).await?;
+
+    Ok(Value::Null)
+}
+
+#[api(
+    input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            upid: {
+                schema: UPID_SCHEMA,
+            },
+        }
+    }
+)]
+/// Try to stop a specific task.
+async fn task_stop(param: Value) -> Result<Value, Error> {
+
+    let repo = extract_repository_from_value(&param)?;
+    let upid_str =  tools::required_string_param(&param, "upid")?;
+
+    let mut client = connect(repo.host(), repo.user())?;
+
+    let path = format!("api2/json/nodes/localhost/tasks/{}", upid_str);
+    let _ = client.delete(&path, None).await?;
+
+    Ok(Value::Null)
+}
+
+pub fn task_mgmt_cli() -> CliCommandMap {
+
+    let task_list_cmd_def = CliCommand::new(&API_METHOD_TASK_LIST)
+        .completion_cb("repository", complete_repository);
+
+    let task_log_cmd_def = CliCommand::new(&API_METHOD_TASK_LOG)
+        .arg_param(&["upid"]);
+
+    let task_stop_cmd_def = CliCommand::new(&API_METHOD_TASK_STOP)
+        .arg_param(&["upid"]);
+
+    CliCommandMap::new()
+        .insert("log", task_log_cmd_def)
+        .insert("list", task_list_cmd_def)
+        .insert("stop", task_stop_cmd_def)
+}

src/client/backup_reader.rs

@@ -123,18 +123,19 @@ impl BackupReader {
     }
 
     /// Download backup manifest (index.json)
-    pub async fn download_manifest(&self) -> Result<BackupManifest, Error> {
+    ///
-
+    /// The manifest signature is verified if we have a crypt_config.
-        use std::convert::TryFrom;
+    pub async fn download_manifest(&self) -> Result<(BackupManifest, Vec<u8>), Error> {
 
         let mut raw_data = Vec::with_capacity(64 * 1024);
         self.download(MANIFEST_BLOB_NAME, &mut raw_data).await?;
         let blob = DataBlob::from_raw(raw_data)?;
         blob.verify_crc()?;
-        let data = blob.decode(self.crypt_config.as_ref().map(Arc::as_ref))?;
+        let data = blob.decode(None)?;
-        let json: Value = serde_json::from_slice(&data[..])?;
 
-        BackupManifest::try_from(json)
+        let manifest = BackupManifest::from_data(&data[..], self.crypt_config.as_ref().map(Arc::as_ref))?;
+
+        Ok((manifest, data))
     }
 
     /// Download a .blob file

src/client/backup_writer.rs

@@ -3,7 +3,7 @@ use std::os::unix::fs::OpenOptionsExt;
 use std::sync::atomic::{AtomicUsize, Ordering};
 use std::sync::{Arc, Mutex};
 
-use anyhow::{format_err, Error};
+use anyhow::{bail, format_err, Error};
 use chrono::{DateTime, Utc};
 use futures::*;
 use futures::stream::Stream;
@@ -163,21 +163,12 @@ impl BackupWriter {
         data: Vec<u8>,
         file_name: &str,
         compress: bool,
-        crypt_or_sign: Option<bool>,
+        encrypt: bool,
-     ) -> Result<BackupStats, Error> {
+    ) -> Result<BackupStats, Error> {
-
+        let blob = match (encrypt, &self.crypt_config) {
-        let blob = if let Some(ref crypt_config) = self.crypt_config {
+             (false, _) => DataBlob::encode(&data, None, compress)?,
-            if let Some(encrypt) = crypt_or_sign {
+             (true, None) => bail!("requested encryption without a crypt config"),
-                if encrypt {
+             (true, Some(crypt_config)) => DataBlob::encode(&data, Some(crypt_config), compress)?,
-                    DataBlob::encode(&data, Some(crypt_config), compress)?
-                } else {
-                    DataBlob::create_signed(&data, crypt_config, compress)?
-                }
-            } else {
-                DataBlob::encode(&data, None, compress)?
-            }
-        } else {
-            DataBlob::encode(&data, None, compress)?
         };
 
         let raw_data = blob.into_inner();
@@ -194,8 +185,8 @@ impl BackupWriter {
         src_path: P,
         file_name: &str,
         compress: bool,
-        crypt_or_sign: Option<bool>,
+        encrypt: bool,
-     ) -> Result<BackupStats, Error> {
+    ) -> Result<BackupStats, Error> {
 
         let src_path = src_path.as_ref();
 
@@ -209,7 +200,7 @@ impl BackupWriter {
             .await
             .map_err(|err| format_err!("unable to read file {:?} - {}", src_path, err))?;
 
-        self.upload_blob_from_data(contents, file_name, compress, crypt_or_sign).await
+        self.upload_blob_from_data(contents, file_name, compress, encrypt).await
     }
 
     pub async fn upload_stream(
@@ -219,6 +210,8 @@ impl BackupWriter {
         stream: impl Stream<Item = Result<bytes::BytesMut, Error>>,
         prefix: &str,
         fixed_size: Option<u64>,
+        compress: bool,
+        encrypt: bool,
     ) -> Result<BackupStats, Error> {
         let known_chunks = Arc::new(Mutex::new(HashSet::new()));
 
@@ -227,6 +220,10 @@ impl BackupWriter {
             param["size"] = size.into();
         }
 
+        if encrypt && self.crypt_config.is_none() {
+            bail!("requested encryption without a crypt config");
+        }
+
         let index_path = format!("{}_index", prefix);
         let close_path = format!("{}_close", prefix);
 
@@ -252,7 +249,8 @@ impl BackupWriter {
                 stream,
                 &prefix,
                 known_chunks.clone(),
-                self.crypt_config.clone(),
+                if encrypt { self.crypt_config.clone() } else { None },
+                compress,
                 self.verbose,
             )
             .await?;
@@ -434,7 +432,7 @@ impl BackupWriter {
         self.h2.download("previous", Some(param), &mut tmpfile).await?;
 
         let index = DynamicIndexReader::new(tmpfile)
-            .map_err(|err| format_err!("unable to read fixed index '{}' - {}", archive_name, err))?;
+            .map_err(|err| format_err!("unable to read dynmamic index '{}' - {}", archive_name, err))?;
         // Note: do not use values stored in index (not trusted) - instead, computed them again
         let (csum, size) = index.compute_csum();
         manifest.verify_file(archive_name, &csum, size)?;
@@ -455,8 +453,6 @@ impl BackupWriter {
     /// Download backup manifest (index.json) of last backup
     pub async fn download_previous_manifest(&self) -> Result<BackupManifest, Error> {
 
-        use std::convert::TryFrom;
-
         let mut raw_data = Vec::with_capacity(64 * 1024);
 
         let param = json!({ "archive-name": MANIFEST_BLOB_NAME });
@@ -465,8 +461,8 @@ impl BackupWriter {
         let blob = DataBlob::from_raw(raw_data)?;
         blob.verify_crc()?;
         let data = blob.decode(self.crypt_config.as_ref().map(Arc::as_ref))?;
-        let json: Value = serde_json::from_slice(&data[..])?;
+
-        let manifest = BackupManifest::try_from(json)?;
+        let manifest = BackupManifest::from_data(&data[..], self.crypt_config.as_ref().map(Arc::as_ref))?;
 
         Ok(manifest)
     }
@@ -478,6 +474,7 @@ impl BackupWriter {
         prefix: &str,
         known_chunks: Arc<Mutex<HashSet<[u8;32]>>>,
         crypt_config: Option<Arc<CryptConfig>>,
+        compress: bool,
         verbose: bool,
     ) -> impl Future<Output = Result<(usize, usize, std::time::Duration, usize, [u8; 32]), Error>> {
 
@@ -508,7 +505,7 @@ impl BackupWriter {
                 let offset = stream_len.fetch_add(chunk_len, Ordering::SeqCst) as u64;
 
                 let mut chunk_builder = DataChunkBuilder::new(data.as_ref())
-                    .compress(true);
+                    .compress(compress);
 
                 if let Some(ref crypt_config) = crypt_config {
                     chunk_builder = chunk_builder.crypt_config(crypt_config);

src/client/remote_chunk_reader.rs

@@ -1,7 +1,7 @@
 use std::future::Future;
 use std::collections::HashMap;
 use std::pin::Pin;
-use std::sync::Arc;
+use std::sync::{Arc, Mutex};
 
 use anyhow::Error;
 
@@ -10,11 +10,12 @@ use crate::backup::{AsyncReadChunk, CryptConfig, DataBlob, ReadChunk};
 use crate::tools::runtime::block_on;
 
 /// Read chunks from remote host using ``BackupReader``
+#[derive(Clone)]
 pub struct RemoteChunkReader {
     client: Arc<BackupReader>,
     crypt_config: Option<Arc<CryptConfig>>,
     cache_hint: HashMap<[u8; 32], usize>,
-    cache: HashMap<[u8; 32], Vec<u8>>,
+    cache: Arc<Mutex<HashMap<[u8; 32], Vec<u8>>>>,
 }
 
 impl RemoteChunkReader {
@@ -30,11 +31,11 @@ impl RemoteChunkReader {
             client,
             crypt_config,
             cache_hint,
-            cache: HashMap::new(),
+            cache: Arc::new(Mutex::new(HashMap::new())),
         }
     }
 
-    pub async fn read_raw_chunk(&mut self, digest: &[u8; 32]) -> Result<DataBlob, Error> {
+    pub async fn read_raw_chunk(&self, digest: &[u8; 32]) -> Result<DataBlob, Error> {
         let mut chunk_data = Vec::with_capacity(4 * 1024 * 1024);
 
         self.client
@@ -49,12 +50,12 @@ impl RemoteChunkReader {
 }
 
 impl ReadChunk for RemoteChunkReader {
-    fn read_raw_chunk(&mut self, digest: &[u8; 32]) -> Result<DataBlob, Error> {
+    fn read_raw_chunk(&self, digest: &[u8; 32]) -> Result<DataBlob, Error> {
         block_on(Self::read_raw_chunk(self, digest))
     }
 
-    fn read_chunk(&mut self, digest: &[u8; 32]) -> Result<Vec<u8>, Error> {
+    fn read_chunk(&self, digest: &[u8; 32]) -> Result<Vec<u8>, Error> {
-        if let Some(raw_data) = self.cache.get(digest) {
+        if let Some(raw_data) = (*self.cache.lock().unwrap()).get(digest) {
             return Ok(raw_data.to_vec());
         }
 
@@ -66,7 +67,7 @@ impl ReadChunk for RemoteChunkReader {
 
         let use_cache = self.cache_hint.contains_key(digest);
         if use_cache {
-            self.cache.insert(*digest, raw_data.to_vec());
+            (*self.cache.lock().unwrap()).insert(*digest, raw_data.to_vec());
         }
 
         Ok(raw_data)
@@ -75,18 +76,18 @@ impl ReadChunk for RemoteChunkReader {
 
 impl AsyncReadChunk for RemoteChunkReader {
     fn read_raw_chunk<'a>(
-        &'a mut self,
+        &'a self,
         digest: &'a [u8; 32],
     ) -> Pin<Box<dyn Future<Output = Result<DataBlob, Error>> + Send + 'a>> {
         Box::pin(Self::read_raw_chunk(self, digest))
     }
 
     fn read_chunk<'a>(
-        &'a mut self,
+        &'a self,
         digest: &'a [u8; 32],
     ) -> Pin<Box<dyn Future<Output = Result<Vec<u8>, Error>> + Send + 'a>> {
         Box::pin(async move {
-            if let Some(raw_data) = self.cache.get(digest) {
+            if let Some(raw_data) = (*self.cache.lock().unwrap()).get(digest) {
                 return Ok(raw_data.to_vec());
             }
 
@@ -98,7 +99,7 @@ impl AsyncReadChunk for RemoteChunkReader {
 
             let use_cache = self.cache_hint.contains_key(digest);
             if use_cache {
-                self.cache.insert(*digest, raw_data.to_vec());
+                (*self.cache.lock().unwrap()).insert(*digest, raw_data.to_vec());
             }
 
             Ok(raw_data)

src/pxar/create.rs

@@ -2,7 +2,7 @@ use std::collections::{HashSet, HashMap};
 use std::convert::TryFrom;
 use std::ffi::{CStr, CString, OsStr};
 use std::fmt;
-use std::io::{self, Write};
+use std::io::{self, Read, Write};
 use std::os::unix::ffi::OsStrExt;
 use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd, RawFd};
 use std::path::{Path, PathBuf};
@@ -20,6 +20,7 @@ use pxar::encoder::LinkOffset;
 use proxmox::c_str;
 use proxmox::sys::error::SysError;
 use proxmox::tools::fd::RawFdNum;
+use proxmox::tools::vec;
 
 use crate::pxar::catalog::BackupCatalogWriter;
 use crate::pxar::Flags;
@@ -35,6 +36,7 @@ fn detect_fs_type(fd: RawFd) -> Result<i64, Error> {
     Ok(fs_stat.f_type)
 }
 
+#[rustfmt::skip]
 pub fn is_virtual_file_system(magic: i64) -> bool {
     use proxmox::sys::linux::magic::*;
 
@@ -114,6 +116,7 @@ struct Archiver<'a, 'b> {
     device_set: Option<HashSet<u64>>,
     hardlinks: HashMap<HardLinkInfo, (PathBuf, LinkOffset)>,
     errors: ErrorReporter,
+    file_copy_buffer: Vec<u8>,
 }
 
 type Encoder<'a, 'b> = pxar::encoder::Encoder<'a, &'b mut dyn pxar::encoder::SeqWrite>;
@@ -178,6 +181,7 @@ where
         device_set,
         hardlinks: HashMap::new(),
         errors: ErrorReporter,
+        file_copy_buffer: vec::undefined(4 * 1024 * 1024),
     };
 
     archiver.archive_dir_contents(&mut encoder, source_dir, true)?;
@@ -244,11 +248,15 @@ impl<'a, 'b> Archiver<'a, 'b> {
     }
 
     /// openat() wrapper which allows but logs `EACCES` and turns `ENOENT` into `None`.
+    ///
+    /// The `existed` flag is set when iterating through a directory to note that we know the file
+    /// is supposed to exist and we should warn if it doesnt'.
     fn open_file(
         &mut self,
         parent: RawFd,
         file_name: &CStr,
         oflags: OFlag,
+        existed: bool,
     ) -> Result<Option<Fd>, Error> {
         match Fd::openat(
             &unsafe { RawFdNum::from_raw_fd(parent) },
@@ -257,9 +265,14 @@ impl<'a, 'b> Archiver<'a, 'b> {
             Mode::empty(),
         ) {
             Ok(fd) => Ok(Some(fd)),
-            Err(nix::Error::Sys(Errno::ENOENT)) => Ok(None),
+            Err(nix::Error::Sys(Errno::ENOENT)) => {
+                if existed {
+                    self.report_vanished_file()?;
+                }
+                Ok(None)
+            }
             Err(nix::Error::Sys(Errno::EACCES)) => {
-                write!(self.errors, "failed to open file: {:?}: access denied", file_name)?;
+                writeln!(self.errors, "failed to open file: {:?}: access denied", file_name)?;
                 Ok(None)
             }
             Err(other) => Err(Error::from(other)),
@@ -271,6 +284,7 @@ impl<'a, 'b> Archiver<'a, 'b> {
             parent,
             c_str!(".pxarexclude"),
             OFlag::O_RDONLY | OFlag::O_CLOEXEC | OFlag::O_NOCTTY,
+            false,
         )?;
 
         let old_pattern_count = self.patterns.len();
@@ -283,7 +297,7 @@ impl<'a, 'b> Archiver<'a, 'b> {
                 let line = match line {
                     Ok(line) => line,
                     Err(err) => {
-                        let _ = write!(
+                        let _ = writeln!(
                             self.errors,
                             "ignoring .pxarexclude after read error in {:?}: {}",
                             self.path,
@@ -303,7 +317,7 @@ impl<'a, 'b> Archiver<'a, 'b> {
                 match MatchEntry::parse_pattern(line, PatternFlag::PATH_NAME, MatchType::Exclude) {
                     Ok(pattern) => self.patterns.push(pattern),
                     Err(err) => {
-                        let _ = write!(self.errors, "bad pattern in {:?}: {}", self.path, err);
+                        let _ = writeln!(self.errors, "bad pattern in {:?}: {}", self.path, err);
                     }
                 }
             }
@@ -406,7 +420,25 @@ impl<'a, 'b> Archiver<'a, 'b> {
     }
 
     fn report_vanished_file(&mut self) -> Result<(), Error> {
-        write!(self.errors, "warning: file vanished while reading: {:?}", self.path)?;
+        writeln!(self.errors, "warning: file vanished while reading: {:?}", self.path)?;
+        Ok(())
+    }
+
+    fn report_file_shrunk_while_reading(&mut self) -> Result<(), Error> {
+        writeln!(
+            self.errors,
+            "warning: file size shrunk while reading: {:?}, file will be padded with zeros!",
+            self.path,
+        )?;
+        Ok(())
+    }
+
+    fn report_file_grew_while_reading(&mut self) -> Result<(), Error> {
+        writeln!(
+            self.errors,
+            "warning: file size increased while reading: {:?}, file will be truncated!",
+            self.path,
+        )?;
         Ok(())
     }
 
@@ -420,24 +452,22 @@ impl<'a, 'b> Archiver<'a, 'b> {
         use pxar::format::mode;
 
         let file_mode = stat.st_mode & libc::S_IFMT;
-        let open_mode = if !(file_mode == libc::S_IFREG || file_mode == libc::S_IFDIR) {
+        let open_mode = if file_mode == libc::S_IFREG || file_mode == libc::S_IFDIR {
-            OFlag::O_PATH
-        } else {
             OFlag::empty()
+        } else {
+            OFlag::O_PATH
         };
 
         let fd = self.open_file(
             parent,
             c_file_name,
             open_mode | OFlag::O_RDONLY | OFlag::O_NOFOLLOW | OFlag::O_CLOEXEC | OFlag::O_NOCTTY,
+            true,
         )?;
 
         let fd = match fd {
             Some(fd) => fd,
-            None => {
+            None => return Ok(()),
-                self.report_vanished_file()?;
-                return Ok(());
-            }
         };
 
         let metadata = get_metadata(fd.as_raw_fd(), &stat, self.flags(), self.fs_magic)?;
@@ -591,8 +621,29 @@ impl<'a, 'b> Archiver<'a, 'b> {
         file_size: u64,
     ) -> Result<LinkOffset, Error> {
         let mut file = unsafe { std::fs::File::from_raw_fd(fd.into_raw_fd()) };
-        let offset = encoder.add_file(metadata, file_name, file_size, &mut file)?;
+        let mut remaining = file_size;
-        Ok(offset)
+        let mut out = encoder.create_file(metadata, file_name, file_size)?;
+        while remaining != 0 {
+            let mut got = file.read(&mut self.file_copy_buffer[..])?;
+            if got as u64 > remaining {
+                self.report_file_grew_while_reading()?;
+                got = remaining as usize;
+            }
+            out.write_all(&self.file_copy_buffer[..got])?;
+            remaining -= got as u64;
+        }
+        if remaining > 0 {
+            self.report_file_shrunk_while_reading()?;
+            let to_zero = remaining.min(self.file_copy_buffer.len() as u64) as usize;
+            vec::clear(&mut self.file_copy_buffer[..to_zero]);
+            while remaining != 0 {
+                let fill = remaining.min(self.file_copy_buffer.len() as u64) as usize;
+                out.write_all(&self.file_copy_buffer[..fill])?;
+                remaining -= fill as u64;
+            }
+        }
+
+        Ok(out.file_offset())
     }
 
     fn add_symlink(

src/tools/runtime.rs

@@ -56,30 +56,41 @@ extern {
 ///
 /// This makes sure that tokio's worker threads are marked for us so that we know whether we
 /// can/need to use `block_in_place` in our `block_on` helper.
-pub fn get_runtime() -> Arc<Runtime> {
+pub fn get_runtime_with_builder<F: Fn() -> runtime::Builder>(get_builder: F) -> Arc<Runtime> {
 
     let mut guard = RUNTIME.lock().unwrap();
 
     if let Some(rt) = guard.upgrade() { return rt; }
 
-    let rt = Arc::new(
+    let mut builder = get_builder();
-        runtime::Builder::new()
+    builder.on_thread_stop(|| {
-            .on_thread_stop(|| {
+        // avoid openssl bug: https://github.com/openssl/openssl/issues/6214
-                // avoid openssl bug: https://github.com/openssl/openssl/issues/6214
+        // call OPENSSL_thread_stop to avoid race with openssl cleanup handlers
-                // call OPENSSL_thread_stop to avoid race with openssl cleanup handlers
+        unsafe { OPENSSL_thread_stop(); }
-                unsafe { OPENSSL_thread_stop(); }
+    });
-            })
+
-            .threaded_scheduler()
+    let runtime = builder.build().expect("failed to spawn tokio runtime");
-            .enable_all()
+    let rt = Arc::new(runtime);
-            .build()
-            .expect("failed to spawn tokio runtime")
-    );
 
     *guard = Arc::downgrade(&rt.clone());
 
     rt
 }
 
+/// Get or create the current main tokio runtime.
+///
+/// This calls get_runtime_with_builder() using the tokio default threaded scheduler
+pub fn get_runtime() -> Arc<Runtime> {
+
+    get_runtime_with_builder(|| {
+        let mut builder = runtime::Builder::new();
+        builder.threaded_scheduler();
+        builder.enable_all();
+        builder
+    })
+}
+
+
 /// Block on a synchronous piece of code.
 pub fn block_in_place<R>(fut: impl FnOnce() -> R) -> R {
     // don't double-exit the context (tokio doesn't like that)

tests/blob_writer.rs

@@ -78,24 +78,6 @@ fn test_compressed_blob_writer() -> Result<(), Error> {
     verify_test_blob(blob_writer.finish()?)
 }
 
-#[test]
-fn test_signed_blob_writer() -> Result<(), Error> {
-    let tmp = Cursor::new(Vec::<u8>::new());
-    let mut blob_writer = DataBlobWriter::new_signed(tmp, CRYPT_CONFIG.clone())?;
-    blob_writer.write_all(&TEST_DATA)?;
-
-    verify_test_blob(blob_writer.finish()?)
-}
-
-#[test]
-fn test_signed_compressed_blob_writer() -> Result<(), Error> {
-    let tmp = Cursor::new(Vec::<u8>::new());
-    let mut blob_writer = DataBlobWriter::new_signed_compressed(tmp, CRYPT_CONFIG.clone())?;
-    blob_writer.write_all(&TEST_DATA)?;
-
-    verify_test_blob(blob_writer.finish()?)
-}
-
 #[test]
 fn test_encrypted_blob_writer() -> Result<(), Error> {
     let tmp = Cursor::new(Vec::<u8>::new());

www/DataStoreContent.js

@@ -10,7 +10,7 @@ Ext.define('pbs-data-store-snapshots', {
 	},
 	'files',
 	'owner',
-	{ name: 'size', type: 'int' },
+	{ name: 'size', type: 'int', allowNull: true, },
 	{
 	    name: 'encrypted',
 	    type: 'boolean',
@@ -79,6 +79,7 @@ Ext.define('PBS.DataStoreContent', {
 	    let url = `/api2/json/admin/datastore/${view.datastore}/snapshots`;
 	    this.store.setProxy({
 		type: 'proxmox',
+		timeout: 300*1000, // 5 minutes, we should make that api call faster
 		url:  url
 	    });
 
@@ -153,7 +154,7 @@ Ext.define('PBS.DataStoreContent', {
 		    if (item.encrypted > 0) {
 			encrypted++;
 		    }
-		    if (item["backup-time"] > last_backup) {
+		    if (item["backup-time"] > last_backup && item.size !== null) {
 			last_backup = item["backup-time"];
 			group["backup-time"] = last_backup;
 			group.files = item.files;
@@ -199,6 +200,73 @@ Ext.define('PBS.DataStoreContent', {
 	    win.show();
 	},
 
+	onVerify: function() {
+	    var view = this.getView();
+
+	    if (!view.datastore) return;
+
+	    let rec = view.selModel.getSelection()[0];
+	    if (!(rec && rec.data)) return;
+	    let data = rec.data;
+
+	    let params;
+
+	    if (data.leaf) {
+		params = {
+		    "backup-type": data["backup-type"],
+		    "backup-id": data["backup-id"],
+		    "backup-time": (data['backup-time'].getTime()/1000).toFixed(0),
+		};
+	    } else {
+		params = {
+		    "backup-type": data.backup_type,
+		    "backup-id": data.backup_id,
+		};
+	    }
+
+	    Proxmox.Utils.API2Request({
+		params: params,
+		url: `/admin/datastore/${view.datastore}/verify`,
+		method: 'POST',
+		failure: function(response) {
+		    Ext.Msg.alert(gettext('Error'), response.htmlStatus);
+		},
+		success: function(response, options) {
+		    Ext.create('Proxmox.window.TaskViewer', {
+			upid: response.result.data,
+		    }).show();
+		},
+	    });
+	},
+
+	onForget: function() {
+	    var view = this.getView();
+
+	    let rec = view.selModel.getSelection()[0];
+	    if (!(rec && rec.data)) return;
+	    let data = rec.data;
+	    if (!data.leaf) return;
+
+	    if (!view.datastore) return;
+
+	    console.log(data);
+
+	    Proxmox.Utils.API2Request({
+		params: {
+		    "backup-type": data["backup-type"],
+		    "backup-id": data["backup-id"],
+		    "backup-time": (data['backup-time'].getTime()/1000).toFixed(0),
+		},
+		url: `/admin/datastore/${view.datastore}/snapshots`,
+		method: 'DELETE',
+		waitMsgTarget: view,
+		failure: function(response, opts) {
+		    Ext.Msg.alert(gettext('Error'), response.htmlStatus);
+		},
+		callback: this.reload.bind(this),
+	    });
+	},
+
 	openBackupFileDownloader: function() {
 	    let me = this;
 	    let view = me.getView();
@@ -275,7 +343,13 @@ Ext.define('PBS.DataStoreContent', {
 	    header: gettext("Size"),
 	    sortable: true,
 	    dataIndex: 'size',
-	    renderer: Proxmox.Utils.format_size,
+	    renderer: (v, meta, record) => {
+		if (v === undefined || v === null) {
+		    meta.tdCls = "x-grid-row-loading";
+		    return '';
+		}
+		return Proxmox.Utils.format_size(v);
+	    },
 	},
 	{
 	    xtype: 'numbercolumn',
@@ -328,23 +402,45 @@ Ext.define('PBS.DataStoreContent', {
 	    iconCls: 'fa fa-refresh',
 	    handler: 'reload',
 	},
+	'-',
+	{
+	    xtype: 'proxmoxButton',
+	    text: gettext('Verify'),
+	    disabled: true,
+	    parentXType: 'pbsDataStoreContent',
+	    enableFn: (rec) => !!rec.data && rec.data.size !== null,
+	    handler: 'onVerify',
+	},
 	{
 	    xtype: 'proxmoxButton',
 	    text: gettext('Prune'),
 	    disabled: true,
 	    parentXType: 'pbsDataStoreContent',
-	    enableFn: function(record) { return !record.data.leaf; },
+	    enableFn: (rec) => !rec.data.leaf,
 	    handler: 'onPrune',
 	},
+	{
+	    xtype: 'proxmoxButton',
+	    text: gettext('Forget'),
+	    disabled: true,
+	    parentXType: 'pbsDataStoreContent',
+	    handler: 'onForget',
+	    dangerous: true,
+	    confirmMsg: function(record) {
+		//console.log(record);
+		let name = record.data.text;
+		return Ext.String.format(gettext('Are you sure you want to remove snapshot {0}'), `'${name}'`);
+	    },
+	    enableFn: (rec) => !!rec.data.leaf && rec.data.size !== null,
+	},
+	'-',
 	{
 	    xtype: 'proxmoxButton',
 	    text: gettext('Download Files'),
 	    disabled: true,
 	    parentXType: 'pbsDataStoreContent',
 	    handler: 'openBackupFileDownloader',
-	    enableFn: function(record) {
+	    enableFn: (rec) => !!rec.data.leaf && rec.data.size !== null,
-		return !!record.data.leaf;
-	    },
 	},
 	{
 	    xtype: "proxmoxButton",
@@ -353,7 +449,7 @@ Ext.define('PBS.DataStoreContent', {
 	    handler: 'openPxarBrowser',
 	    parentXType: 'pbsDataStoreContent',
 	    enableFn: function(record) {
-		return !!record.data.leaf && record.data.files.some(el => el.filename.endsWith('pxar.didx'));
+		return !!record.data.leaf && record.size !== null && record.data.files.some(el => el.filename.endsWith('pxar.didx'));
 	    },
 	}
     ],

www/DataStorePanel.js

@@ -40,7 +40,7 @@ Ext.define('PBS.DataStorePanel', {
 
     initComponent: function() {
 	let me = this;
-	me.title = `${gettext("Data Store")}: ${me.datastore}`;
+	me.title = `${gettext("Datastore")}: ${me.datastore}`;
 	me.callParent();
     },
 });

www/MainView.js

@@ -200,7 +200,13 @@ Ext.define('PBS.MainView', {
 		    xtype: 'versioninfo'
 		},
 		{
-		    flex: 1
+		    padding: 5,
+		    html: '<a href="https://bugzilla.proxmox.com" target="_blank">BETA</a>',
+		    baseCls: 'x-plain',
+		},
+		{
+		    flex: 1,
+		    baseCls: 'x-plain',
 		},
 		{
 		    baseCls: 'x-plain',

www/Makefile

@@ -19,6 +19,7 @@ JSSRC=							\
 	window/ACLEdit.js				\
 	window/DataStoreEdit.js				\
 	window/CreateDirectory.js			\
+	window/ZFSCreate.js				\
 	window/FileBrowser.js				\
 	window/BackupFileDownloader.js			\
 	dashboard/DataStoreStatistics.js		\

www/NavigationTree.js

@@ -80,7 +80,7 @@ Ext.define('PBS.store.NavigationStore', {
 		]
 	    },
 	    {
-		text: gettext('Data Store'),
+		text: gettext('Datastore'),
 		iconCls: 'fa fa-archive',
 		path: 'pbsDataStoreConfig',
 		expanded: true,

www/Utils.js

@@ -33,23 +33,18 @@ Ext.define('PBS.Utils', {
     },
 
     render_datastore_worker_id: function(id, what) {
-	const result = id.match(/^(\S+)_([^_\s]+)_([^_\s]+)$/);
+	const res = id.match(/^(\S+?)_(\S+?)_(\S+?)(_(.+))?$/);
-	if (result) {
-	    let datastore = result[1], type = result[2], id = result[3];
-	    return `Datastore ${datastore} - ${what} ${type}/${id}`;
-	}
-	return `Datastore ${id} - ${what}`;
-    },
-
-    render_datastore_time_worker_id: function(id, what) {
-	const res = id.match(/^(\S+)_([^_\s]+)_([^_\s]+)_([^_\s]+)$/);
 	if (res) {
 	    let datastore = res[1], type = res[2], id = res[3];
-	    let datetime = Ext.Date.parse(parseInt(res[4], 16), 'U');
+	    if (res[4] !== undefined) {
-	    let utctime = PBS.Utils.render_datetime_utc(datetime);
+		let datetime = Ext.Date.parse(parseInt(res[5], 16), 'U');
-	    return `Datastore ${datastore} - ${what} ${type}/${id}/${utctime}`;
+		let utctime = PBS.Utils.render_datetime_utc(datetime);
+		return `Datastore ${datastore} ${what} ${type}/${id}/${utctime}`;
+	    } else {
+		return `Datastore ${datastore} ${what} ${type}/${id}`;
+	    }
 	}
-	return what;
+	return `Datastore ${what} ${id}`;
     },
 
     constructor: function() {
@@ -70,7 +65,7 @@ Ext.define('PBS.Utils', {
 		return PBS.Utils.render_datastore_worker_id(id, gettext('Backup'));
 	    },
 	    reader: (type, id) => {
-		return PBS.Utils.render_datastore_time_worker_id(id, gettext('Read objects'));
+		return PBS.Utils.render_datastore_worker_id(id, gettext('Read objects'));
 	    },
 	});
     }

www/ZFSList.js

@@ -117,8 +117,7 @@ Ext.define('PBS.admin.ZFSList', {
 	    text: gettext('Detail'),
 	    xtype: 'proxmoxButton',
 	    disabled: true,
-	    handler: function() {
+	    handler: 'openDetailWindow',
-	    }
 	}
     ],
 

www/config/DataStoreConfig.js

@@ -25,7 +25,7 @@ Ext.define('PBS.DataStoreConfig', {
     extend: 'Ext.grid.GridPanel',
     alias: 'widget.pbsDataStoreConfig',
 
-    title: gettext('Data Store Configuration'),
+    title: gettext('Datastore Configuration'),
 
     controller: {
 	xclass: 'Ext.app.ViewController',
@@ -58,6 +58,27 @@ Ext.define('PBS.DataStoreConfig', {
 	    }).show();
 	},
 
+	onVerify: function() {
+	    var view = this.getView();
+
+	    let rec = view.selModel.getSelection()[0];
+	    if (!(rec && rec.data)) return;
+	    let data = rec.data;
+
+	    Proxmox.Utils.API2Request({
+		url: `/admin/datastore/${data.name}/verify`,
+		method: 'POST',
+		failure: function(response) {
+		    Ext.Msg.alert(gettext('Error'), response.htmlStatus);
+		},
+		success: function(response, options) {
+		    Ext.create('Proxmox.window.TaskViewer', {
+			upid: response.result.data,
+		    }).show();
+		},
+	    });
+	},
+
 	garbageCollect: function() {
 	    let me = this;
 	    let view = me.getView();
@@ -115,6 +136,12 @@ Ext.define('PBS.DataStoreConfig', {
 	},
 	// remove_btn
 	'-',
+	{
+	    xtype: 'proxmoxButton',
+	    text: gettext('Verify'),
+	    disabled: true,
+	    handler: 'onVerify',
+	},
 	{
 	    xtype: 'proxmoxButton',
 	    text: gettext('Start GC'),

www/form/DataStoreSelector.js

@@ -16,7 +16,7 @@ Ext.define('PBS.form.DataStoreSelector', {
     listConfig: {
 	columns: [
 	    {
-		header: gettext('DataStore'),
+		header: gettext('Datastore'),
 		sortable: true,
 		dataIndex: 'store',
 		renderer: Ext.String.htmlEncode,

www/window/CreateDirectory.js

@@ -39,7 +39,7 @@ Ext.define('PBS.window.CreateDirectory', {
 	{
 	    xtype: 'proxmoxcheckbox',
 	    name: 'add-datastore',
-	    fieldLabel: gettext('Add Data Store'),
+	    fieldLabel: gettext('Add as Datastore'),
 	    value: '1',
 	},
     ],

www/window/ZFSCreate.js

@@ -23,12 +23,13 @@ Ext.define('PBS.window.CreateZFS', {
 		    xtype: 'proxmoxtextfield',
 		    name: 'name',
 		    fieldLabel: gettext('Name'),
-		    allowBlank: false
+		    minLength: 3,
+		    allowBlank: false,
 		},
 		{
 		    xtype: 'proxmoxcheckbox',
 		    name: 'add-datastore',
-		    fieldLabel: gettext('Add Datastore'),
+		    fieldLabel: gettext('Add as Datastore'),
 		    value: '1'
 		}
 	    ],
@@ -75,7 +76,7 @@ Ext.define('PBS.window.CreateZFS', {
 		    xtype: 'pmxMultiDiskSelector',
 		    name: 'devices',
 		    nodename: 'localhost',
-		    typeParam: 'usage-type',
+		    typeParameter: 'usage-type',
 		    valueField: 'name',
 		    height: 200,
 		    emptyText: gettext('No Disks unused'),