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* New API: ntfsresize-opts (RHBZ#685009).Richard W.M. Jones2011-07-121-1/+1
| | | | | | This is a more comprehensive fix for RHBZ#685009. Add a new API which allows the --force flag to be passed, allowing multiple NTFS resize operations in a single session.
* New API: list-dm-devices (RHBZ#688062).Richard W.M. Jones2011-07-121-1/+1
| | | | List device mapper devices.
* New API: mount-9p lets you mount 9p filesystems (RHBZ#714981).Richard W.M. Jones2011-06-221-1/+1
| | | | The updated patch makes 'options' into an optional parameter.
* New API: list-9p lists 9p filesystem mount tags (RHBZ#714981).Richard W.M. Jones2011-06-221-1/+1
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* New APIs: is-zero and is-zero-device, to test if file or device is all zeroes.Richard W.M. Jones2011-05-171-1/+1
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* Add a new internal-autosync API to perform autosync.Richard W.M. Jones2011-01-281-1/+1
| | | | | | | | | Instead of explicitly calling umount-all; sync, we add a daemon function called internal-autosync which does the same. Apart from slightly simplifying the process of closing the handle, the main advantage is we can modify the daemon for the standalone case so that internal-autosync does not do the umount-all operation.
* New API: resize2fs-M to resize ext2/3/4 to minimum size.Nikita A Menkovich2011-01-141-1/+1
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* New APIs: getxattr and lgetxattr to get single extended attributes.Richard W.M. Jones2010-12-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | These APIs are essentially required to work around a problem with ntfs-3g. This filesystem (or FUSE?) does not list all extended attributes of a file when you call listxattr(2). However if you know the name of an extended attribute, you can retrieve it directly using getxattr(2). The current APIs (getxattrs etc) are simple to use, but they don't work if we can't list out the extended attributes (ie. by calling listxattr(2)). Example using the new APIs on an ntfs-3g filesystem: ><fs> lgetxattr "/Documents and Settings" system.ntfs_attrib | hexdump -C 00000000 16 24 00 00 |.$..| 00000004 ><fs> lgetxattr "/Documents and Settings" system.ntfs_reparse_data | hexdump -C 00000000 03 00 00 a0 34 00 00 00 00 00 18 00 1a 00 10 00 |....4...........| 00000010 5c 00 3f 00 3f 00 5c 00 43 00 3a 00 5c 00 55 00 |\.?.?.\.C.:.\.U.| 00000020 73 00 65 00 72 00 73 00 00 00 43 00 3a 00 5c 00 |s.e.r.s...C.:.\.| 00000030 55 00 73 00 65 00 72 00 73 00 00 00 |U.s.e.r.s...| 0000003c ><fs> getxattr "/Documents and Settings" system.ntfs_reparse_data | hexdump -C libguestfs: error: getxattr: getxattr: No such file or directory ><fs> getxattr "/Documents and Settings" system.ntfs_attrib | hexdump -C libguestfs: error: getxattr: getxattr: No such file or directory ><fs> lgetxattr "/Documents and Settings" system.ntfs_attrib | hexdump -C 00000000 16 24 00 00 |.$..| 00000004 ><fs> getxattr "/Users" system.ntfs_attrib | hexdump -C 00000000 11 00 00 00 |....| 00000004
* New API: mkfs_opts, mkfs with optional arguments.Richard W.M. Jones2010-12-021-1/+1
| | | | | | This is an extensible version of 'mkfs' which supports optional arguments. There is now no need for 'mkfs_b' since you should use 'mkfs_opts' with the optional 'blocksize' argument instead.
* New API: lvm-canonical-lv-name: make LV name canonical.Richard W.M. Jones2010-10-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When logical volume names appear in places like /etc/fstab files they can have the form "/dev/mapper/foo-bar". This function takes such names and makes them canonical. Note that this operation cannot be performed using the current API, because 'guestfs_stat' does not work on device names, and we don't really want to make a 'stat-device' call since that exposes too much non-useful detail about the appliance. With this patch you can do this: ><fs> debug ll /dev/mapper total 8 drwxrwxr-x 2 root root 4096 Oct 25 12:51 . drwxr-xr-x 16 root root 4096 Oct 25 12:51 .. crw------- 1 root root 10, 62 Oct 25 12:51 control lrwxrwxrwx 1 root root 7 Oct 25 12:51 vg_f13x64-lv_root -> ../dm-0 lrwxrwxrwx 1 root root 7 Oct 25 12:51 vg_f13x64-lv_swap -> ../dm-1 ><fs> lvm-canonical-lv-name /dev/mapper/vg_f13x64-lv_root /dev/vg_f13x64/lv_root ><fs> lvm-canonical-lv-name /dev/mapper/vg_f13x64-lv_swap /dev/vg_f13x64/lv_swap ><fs> lvm-canonical-lv-name /dev/mapper/foo libguestfs: error: lvm_canonical_lv_name: lvm_canonical_lv_name_stub: /dev/mapper/foo: No such file or directory ><fs> lvm-canonical-lv-name /dev/mapper/control libguestfs: error: lvm_canonical_lv_name: /dev/mapper/control: not a logical volume ><fs> lvm-canonical-lv-name /dev/vg_f13x64/lv_root /dev/vg_f13x64/lv_root
* New API: pread-device, partial read for devices.Richard W.M. Jones2010-09-271-1/+1
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* New API: pwrite-deviceRichard W.M. Jones2010-09-261-1/+1
| | | | | This is the same as the existing 'pwrite' API call, but allows you to write to a device.
* New APIs: upload-offset and download-offsetRichard W.M. Jones2010-09-211-1/+1
| | | | | These APIs allow you to efficiently write and read parts of files or devices.
* New API: part-to-dev: Convert partition name to device name.Richard Jones2010-09-151-1/+1
| | | | | This adds a formal API for going from a partition to the containing device, eg. /dev/sda1 -> /dev/sda
* New APIs: is-chardev, is-blockdev, is-fifo, is-symlink, is-socketRichard Jones2010-09-091-1/+1
| | | | These complement the existing is-file and is-dir APIs.
* New APIs: findfs-label and findfs-uuidRichard Jones2010-08-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | These two calls wrap up the /sbin/findfs command, allowing you to find a filesystem by only knowing its label or UUID. This is especially useful when resolving LABEL=... or UUID=... entries in /etc/fstab. Sample guestfish session: ><fs> vfs-uuid /dev/vda1 277dd61c-bf34-4253-a8dc-df500a05e7df ><fs> findfs-uuid 277dd61c-bf34-4253-a8dc-df500a05e7df /dev/vda1 ><fs> vfs-label /dev/vda1 /boot ><fs> findfs-label /boot /dev/vda1 ><fs> vfs-uuid /dev/VolGroup00/LogVol00 40ce7c36-82ce-4a12-a99d-48f5e054162c ><fs> findfs-uuid 40ce7c36-82ce-4a12-a99d-48f5e054162c /dev/mapper/VolGroup00-LogVol00 ><fs> findfs-uuid 12345678 libguestfs: error: findfs_uuid: findfs: unable to resolve 'UUID=12345678'
* New API: is-lv: check if a block device is a logical volume (RHBZ#619793)Richard Jones2010-07-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | This adds a new API, guestfs_is_lv (g, device), which returns true iff the named device is an LVM2 logical volume. A sample guestfish session: ><fs> lvs /dev/vg_f13x64/lv_root /dev/vg_f13x64/lv_swap ><fs> list-devices /dev/vda ><fs> list-partitions /dev/vda1 /dev/vda2 ><fs> is-lv /dev/vg_f13x64/lv_root true ><fs> is-lv /dev/vg_f13x64/lv_swap true ><fs> is-lv /dev/vda false ><fs> is-lv /dev/vda1 false ><fs> is-lv /dev/vda2 false
* New APIs: Support for creating LUKS and managing keys.Richard Jones2010-07-221-1/+1
| | | | | | | | | | | | | | | | | | | This commit adds four APIs for creating new LUKS devices and key management. These are: luks_format Format a LUKS device with the default cipher. luks_format_cipher Format with a chosen cipher. luks_add_key Add another key to an existing device. luks_kill_slot Delete a key from an existing device. This enables all the significant functionality of the cryptsetup luks* commands. Note that you can obtain the UUID of a LUKS device already by using vfs-uuid. This also includes a regression test covering all the LUKS functions.
* New APIs: Support for opening LUKS-encrypted disks.Richard Jones2010-07-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for opening LUKS-encrypted disks, via three new APIs: luks_open: Create a mapping for an encrypted disk. luks_open_ro: Same, but read-only mapping. luks_close: Close a mapping. A typical guestfish session using this functionality looks like this: $ guestfish --ro -a encrypted.img ><fs> run ><fs> list-devices /dev/vda ><fs> list-partitions /dev/vda1 /dev/vda2 ><fs> vfs-type /dev/vda2 crypto_LUKS ><fs> luks-open /dev/vda2 luksdev Enter key or passphrase ("key"): ><fs> vgscan ><fs> vg-activate-all true ><fs> pvs /dev/dm-0 ><fs> vgs vg_f13x64encrypted ><fs> lvs /dev/vg_f13x64encrypted/lv_root /dev/vg_f13x64encrypted/lv_swap ><fs> mount /dev/vg_f13x64encrypted/lv_root / ><fs> ll / total 132 dr-xr-xr-x. 24 root root 4096 Jul 21 12:01 . dr-xr-xr-x 20 root root 0 Jul 21 20:06 .. drwx------. 3 root root 4096 Jul 21 11:59 .dbus drwx------. 2 root root 4096 Jul 21 12:00 .pulse -rw-------. 1 root root 256 Jul 21 12:00 .pulse-cookie dr-xr-xr-x. 2 root root 4096 May 13 03:03 bin NOT included in this patch: - An easier way to use this from guestfish. - Ability to create LUKS devices. - Ability to change LUKS keys on existing devices. - Direct access to the /dev/mapper device (eg. if it contains anything apart from VGs).
* New APIs: lvm-set-filter and lvm-clear-filter.Richard Jones2010-07-161-1/+1
| | | | | | | These APIs allow you to change the device filter, the list of block devices that LVM "sees". Either you can set it to a fixed list of devices / partitions, or you can clear it so that LVM sees everything.
* New APIs: vfs-label and vfs-uuid return label and uuid for many fs types.Richard Jones2010-06-011-1/+1
| | | | | | | | | | | These APIs generalize the existing 'get-e2label' and 'get-e2uuid' calls, to provide calls which should be able to get the label and UUID for most filesystem types. These use 'blkid' to do the work. I have tested that the blkid commands themselves work on RHEL 5. (Suggested by Yufang Zhang).
* New API: fallocate64 (replaces fallocate).Richard Jones2010-05-271-1/+1
| | | | | | guestfs_fallocate takes an integer for the length, effectively limiting it to creating 1GB files. This new call takes an int64_t for the length, but is otherwise identical.
* New API: available-all-groups to return list of all optional groups.Richard Jones2010-05-251-1/+1
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* New API: ntfsresize-size to allow shrinking NTFS (RHBZ#585223).Richard Jones2010-05-211-1/+1
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* New API: Implement pwrite system call (partial fix for RHBZ#592883).Richard Jones2010-05-201-1/+1
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* New API: write for creating files with fixed content (RHBZ#501889).Richard Jones2010-05-201-1/+1
| | | | | | | | | | | | | The guestfs_write call can be used to create small files with arbitrary 8 bit content, including \0 bytes. This replaces and deprecates write-file, which cannot be modified to use BufferIn because of an unfortunate choice in the ABI: the size parameter to write-file, if zero, means that the daemon tries to calculate the length of the buffer using strlen. However this fails if we pass a zero-length buffer using BufferIn because then the daemon tries to do strlen on a (really) zero length buffer, not even containing a terminating \0 character, thus segfaulting.
* New API: fill-pattern for creating files with predefined patterns.Richard Jones2010-05-121-1/+1
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* New API: checksums-out for checksumming many files.Richard Jones2010-04-231-1/+1
| | | | Useful API for verifying the integrity of virtual machines.
* New APIs: base64-in and base64-out for uploading/downloading base64 content.Richard Jones2010-04-191-1/+1
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* New API: debug-upload (not a formal part of the API/ABI).Richard Jones2010-04-191-1/+1
| | | | | | | | | | | | Allow arbitrary files to be uploaded into the appliance, but only when --enable-debug-command is enabled. This lets you run shell scripts, like this: ><fs> debug-upload -<<EOF /tmp/script.sh 0700 #!/bin/sh - # ... EOF ><fs> debug sh "/tmp/script.sh"
* New API: get-umask, returns the current umask (RHBZ#582891).Richard Jones2010-04-171-1/+1
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* New API: Add aug-clear call for clearing an Augeas node.Richard Jones2010-04-131-1/+1
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* New API: lvresize-free to extend LVs into percentage of free space.Richard Jones2010-04-121-1/+1
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* New API: checksum-device for checksumming devices.Richard Jones2010-04-101-1/+1
| | | | Analogous to the usual 'checksum' call.
* New partition APIs: part_del, part_get_bootable, part_get/set_mbr_idRichard Jones2010-04-101-1/+1
| | | | These APIs flesh out further the partitioning API.
* New API calls to upload/download txz files (RHBZ#580556).Richard Jones2010-04-081-1/+1
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* New API: guestfs_zero_device to zero whole devices.Richard Jones2010-03-311-1/+1
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* New API: guestfs_copy_size to copy a fixed number of bytes.Richard Jones2010-03-231-1/+1
| | | | | | | This is similar to 'guestfs_dd', but it copies just a fixed number of bytes from the source to the destination. It's an error if the source is too short or if the destination is too small.
* New APIs: Query the relationship between LVM objects.Richard Jones2010-03-181-1/+1
| | | | | | | | | These calls allow you to query the relationship between LVM objects, for example, which PVs contain a VG, or which LVs are contained in a VG. See the example / test program 'regressions/test-lvm-mapping.pl' for an example of how to do this from Perl.
* New API call: initrd-cat to list a file from an initrd.Richard Jones2010-02-091-1/+1
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* Implement 'vgrename' and 'lvrename' APIs.Richard Jones2010-01-281-1/+1
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* Add 'filesize' call.Richard Jones2010-01-251-1/+1
| | | | | Returns the size of a file. You can already do this with 'stat', but this call is good for scripting.
* Implement 'dd' command.Richard Jones2009-11-231-1/+1
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* availability: Add guestfs_available.Richard Jones2009-11-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Start a new API allowing groups of functions to be tested for availability. There are two reasons for this: (1) If libguestfs is built with missing dependencies (eg. no Augeas lib) then the corresponding functions are disabled in the appliance. Up till now there has been no way to test for this except to speculatively issue commands and check for errors. (2) When we port the daemon to Win32 it is likely that major pieces of functionality won't be available (eg. LVM support). This API gives a way to test for that. There is no change for existing clients: you still have to check for errors from individual API calls. For new clients, you will be able to test for availability of particular APIs. Usage scenario (A): An LVM editing tool which requires both the LVM API and inotify in order to function at all: char *apis[] = { "inotify", "lvm2", NULL }; r = guestfs_available (g, apis); if (r == -1) { /* print an error and exit */ } Usage scenario (B): A general purpose tool which optionally provides configuration file editing, but this can be disabled, the result merely being reduced functionality: char *apis[] = { "augeas", NULL }; r = guestfs_available (g, apis); enable_config_edit_menus = r == 0;
* New API call: fill - fill a file with octetsRichard Jones2009-11-171-1/+1
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* Generic partition creation interface.Richard Jones2009-11-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit introduces a generic partition creation interface which should be future-proof and extensible, and partially replaces the old sfdisk-based interface. The implementation is based on parted but is hopefully not too dependent on the particulars of parted. The following new calls are introduced: guestfs_part_init: Initialize a disk with a partition table. Unlike the sfdisk- based interface, we also support GPT and other partition types, which is essential to scale to devices larger than 2TB. guestfs_part_add: Add a partition to an existing disk. guestfs_part_disk: Convenience function which combines part_init & part_add, creating a single partition that covers the whole disk. guestfs_part_set_bootable: guestfs_part_set_name: Set various aspects of existing partitions. guestfs_part_list: List partitions on a device. This returns a programming-friendly list of partition structs (in contrast to sfdisk-l which cannot be parsed). guestfs_part_get_parttype: Return the partition table type, eg. "msdos" or "gpt". The following calls are planned, but not added currently: guestfs_part_get_bootable guestfs_part_get_name guestfs_part_set_type guestfs_part_get_type
* New API call: preadRichard Jones2009-11-021-1/+1
| | | | | guestfs_pread lets you do partial file reads from arbitrary places within a file. It works like the pread(2) system call.
* New API calls: lstatlist, lxattrlist, readlinklist.Richard Jones2009-11-021-1/+1
| | | | | | | | These three functions are very specifically designed for FUSE support, so we can list directories efficiently. Instead of making lots of lstat, lgetxattr and readlink calls, we can make just three calls per directory to grab all the attributes (which we then cache briefly).
* New API calls: truncate, truncate_size, mkdir_mode, utimens, lchown.Richard Jones2009-11-021-1/+1
| | | | | | | | | | | | | | | truncate, truncate_size: Used to truncate files to a particular size, or to zero bytes. mkdir_mode: Like mkdir but allows you to also specify the initial permissions for the new directory. utimens: Set timestamp on a file with nanosecond accuracy. lchown: Corresponding to lchown(2) syscall (we already have chown). The implementation is complicated by the fact that we had to add an Int64 parameter type to the generator.
* New API: vfs_type - get the Linux VFS driver for a mounted device.Richard Jones2009-10-261-1/+1
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