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40 commits

Author SHA1 Message Date
Andrei Borzenkov
3bca85b418 devmapper: check for valid device abstraction in get_grub_dev 
This was lost when code was refactored. Patch restores previous behavior.

It is still not clear whether this is the right one. Due to the way we
detect DM abstraction, partitions on DM are skipped, we fall through to
generic detection which ends up in assuming parent device is BIOS disk.

It is useful to install GRUB on VM disk from the host. But it also means
that GRUB will mistakenly allow install on real system as well.

For now let's fix regression; future behavior needs to be discussed.

Closes: 45163
 2015-12-26 21:45:22 +03:00
Michael Chang
7a210304eb Fix missing byte order conversion in get_btrfs_fs_prefix function 
Since btrfs on-disk format uses little-endian, the searched item types
(ROOT_REF, INODE_REF) need converting the byte order in order to
function properly on big-endian systems.
 2015-06-26 09:55:56 +03:00
Andrei Borzenkov
5082ea6184 remove extra newlines in grub_util_* strings 
grub_util_{info,warn,error} already add trailing newlines, so remove
them from format strings. Also trailing full stops are already added.
 2015-05-13 09:47:17 +03:00
Steve McIntyre
1a33de8b56 Recognize EFI platform even in case of mismatch between Linux and EFI. 
Some x86 systems might be capable of running a 64-bit Linux kernel but
only use a 32-bit EFI (e.g. Intel Bay Trail systems). It's useful for
grub-install to be able to recognise such systems, to set the default
x86 platform correctly.

To allow grub-install to know the size of the firmware rather than
just the size of the kernel, there is now an extra EFI sysfs file to
describe the underlying firmware. Read that if possible, otherwise
fall back to the kernel type as before.

Signed-off-by: Steve McIntyre <steve@einval.com>
 2015-03-27 14:51:51 +01:00
Andrei Borzenkov
637fc62699 linux/ofpath: fix descriptor leak 
Found by: Coverity scan
 2015-01-27 20:29:00 +03:00
Andrei Borzenkov
7ba137f628 linux/hostdisk: use strncpy instead of strlcpy 
strlcpy is not available on Linux as part of standard libraries.
It probably is not worth extra configure checks espicially as we
need to handle missing function anyway.
 2015-01-27 20:00:23 +03:00
Vladimir Serbinenko
8f95eae423 linux/ofpath: Fix error handling. 
Found by: Coverity Scan.
 2015-01-27 16:49:49 +01:00
Vladimir Serbinenko
c2fc41990a linux/hostdisk: Limit strcpy size to buffer size. 
Found by: Coverity scan.
 2015-01-27 16:48:53 +01:00
Andrei Borzenkov
e2a21238da linux/ofpath: fix various memory leaks. 
Found by: Coverity scan.
 2015-01-26 23:04:00 +03:00
Andrei Borzenkov
6704abade6 linux/getroot: fix descriptor leak. 
Found by: Coverity scan.
 2015-01-26 23:02:55 +03:00
Vladimir Serbinenko
cba5a85a67 linux/getroot: Fix error handling. 
Found by: Coverity scan.
 2015-01-26 09:51:48 +01:00
Vladimir Serbinenko
5adc6d76d3 linux/blocklist: Fix memory leak. 
Found by: Coverity scan.
 2015-01-26 09:50:58 +01:00
Vladimir Serbinenko
111ab3b9cc osdep/linux/blocklist.c (grub_install_get_blocklist): Check blocksize validity. 2015-01-21 17:42:12 +01:00
Vladimir Serbinenko
9706066791 * grub-core/osdep/linux/getroot.c (grub_util_part_to_disk): Support NVMe device names. 2014-04-03 21:31:12 +02:00
Mike Gilbert
35f2d96c0d grub-install: support for partitioned partx loop devices. 
* grub-core/osdep/linux/getroot.c (grub_util_part_to_disk): Detect
	/dev/loopX as being the parent of /dev/loopXpY.
 2014-01-26 02:56:04 +01:00
Vladimir Serbinenko
e88f0420b9 Make grub_util_devmapper_part_to_disk and grub_util_find_partition_start 
follow the same algorithm to avoid method mismatch. Don't assume
	DMRAID- UUID to mean full disk but instead check that mapping is linear.
 2013-12-24 14:16:57 +01:00
Vladimir Serbinenko
ae558c2ccf Enable -Wformat=2 if it's supported. 2013-12-21 15:28:28 +01:00
Vladimir Serbinenko
579ee114b1 Add missing static qualifiers. 2013-12-21 13:50:13 +01:00
Andrey Borzenkov
840a2c0592 add verbose information to linux platform check 
As suggested by Vladimir Serbienko, add additional verbose output to inform
why we selected this specific platform.
 2013-12-16 23:17:40 +04:00
Andrey Borzenkov
d770e63557 use grub_util_exec_redirect_all to silence "moprobe efivars" 
modprobe -q still prints error on non-EFI. Redirect stderr instead.

Reported by Javier Vasquez.
 2013-12-16 22:41:16 +04:00
Colin Watson
59b38922a1 Pacify compiler warning 
* grub-core/osdep/linux/hostdisk.c
(grub_util_find_partition_start_os): Initialise start to avoid
spurious compiler warning.
 2013-12-05 15:48:27 +00:00
Colin Watson
0480665b9d On Linux, read partition start offsets from sysfs if possible 
This lets us cope with block device drivers that don't implement
HDIO_GETGEO.  Fixes Ubuntu bug #1237519.

* grub-core/osdep/linux/hostdisk.c (sysfs_partition_path): New
function.
(sysfs_partition_start): Likewise.
(grub_util_find_partition_start_os): Try sysfs_partition_start
before HDIO_GETGEO.
 2013-12-05 13:51:52 +00:00
Vladimir Serbinenko
d54f647a4a * grub-core/osdep/linux/ofpath.c: Check return value of read. 2013-11-29 05:46:19 +01:00
Vladimir Serbinenko
cd46aa6cef Rewrite grub-install, grub-mkrescue, grub-mkstandalone and grub-mknetdir 
the function of these files exceeds what can be sanely handled in shell
	in posix-comaptible way. Also writing it in C extends the functionality
	to non-UNIX-like OS and minimal environments.
 2013-11-16 20:21:16 +01:00
Vladimir Serbinenko
090d7c81cf * grub-core/osdep/linux/getroot.c: Fix cast-align problems. 2013-11-03 00:43:49 +01:00
neil
a86865891a * grub-core/osdep/linux/blocklist.c: Include linux/types.h for some 
broken linux headers.
 2013-11-02 22:19:34 +01:00
Vladimir Serbinenko
cb72aa1809 Rewrite blocklist functions in order to get progress when 
reading large extents and decrease amount of blocklist hook calls.
 2013-11-01 23:28:03 +01:00
Vladimir Serbinenko
effe203677 * grub-core/osdep/linux/getroot.c: Add new btrfs defines. 2013-10-28 01:45:06 +01:00
Vladimir Serbinenko
82591fa6e7 Make / in btrfs refer to real root, not the default volume. 
Modify mkrelpath to work even if device is mounted with subvolid option.
 2013-10-28 01:37:19 +01:00
Vladimir 'phcoder' Serbinenko
cd78a56fb2 Move stat () and device mode checking into OS-dependent files as 
long as performance doesn't suffer.
 2013-10-19 16:29:20 +02:00
Vladimir 'phcoder' Serbinenko
40346de6d3 * grub-core/osdep/unix/getroot.c: Move exec functions to ... 
* osdep/unix/exec.c: ... here. Add few additional exec_* variants.
 2013-10-19 02:56:40 +02:00
Vladimir 'phcoder' Serbinenko
5a869940de Split out blocklist retrieving from setup.c to 
grub-core/osdep/blocklist.c and add windows implementation since
	generic version doesn't work on NTFS on Windows due to aggressive
	unflushable cache.
 2013-10-15 17:02:26 +02:00
Vladimir 'phcoder' Serbinenko
70671037c8 Split emunet into platform-dependent and GRUB-binding parts. Keep 
platform-dependent part in kernel for easy access to OS functions.
 2013-10-15 11:55:20 +02:00
Vladimir 'phcoder' Serbinenko
b73249d260 Make grub_util_fd_seek match behaviour of other grub_util_fd_* and 
fseeko.
 2013-10-14 12:47:09 +02:00
Vladimir 'phcoder' Serbinenko
bb338aaf24 Add a wrapper for fopen. On unix-like systems just pass-through. On 
windows use unicode version.
 2013-10-13 20:36:28 +02:00
Vladimir 'phcoder' Serbinenko
37149a2f20 * include/grub/emu/hostdisk.h (grub_hostdisk_linux_find_partition): 
Removed.
	* grub-core/osdep/linux/hostdisk.c (grub_hostdisk_linux_find_partition):
	Made static.
 2013-10-09 07:16:20 +02:00
Vladimir 'phcoder' Serbinenko
acbbe5cbad * include/grub/util/lvm.h: Removed. 2013-10-08 21:01:09 +02:00
Vladimir 'phcoder' Serbinenko
aabe433afe * grub-core/net/drivers/emu/emunet.c: Move to .. 
* grub-core/osdep/linux/emunet.c: ..here.
 2013-10-08 18:42:46 +02:00
Vladimir 'phcoder' Serbinenko
9a2c903f28 * util/ieee1275/ofpath.c: Move to ... 
* grub-core/osdep/linux/ofpath.c: ..here, split stub into ...
	* grub-core/osdep/basic/ofpath.c: ..here.
 2013-10-08 18:25:49 +02:00
Vladimir 'phcoder' Serbinenko
672fa55e81 Move OS-dependent files to grub-core/osdep and document it. 2013-10-08 17:30:22 +02:00