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Colin Watson 62daa27056 util: Detect more I/O errors 
Many of GRUB's utilities don't check anywhere near all the possible
write errors.  For example, if grub-install runs out of space when
copying a file, it won't notice.  There were missing checks for the
return values of write, fflush, fsync, and close (or the equivalents on
other OSes), all of which must be checked.

I tried to be consistent with the existing logging practices of the
various hostdisk implementations, but they weren't entirely consistent
to start with so I used my judgement.  The result at least looks
reasonable on GNU/Linux when I provoke a write error:

  Installing for x86_64-efi platform.
  grub-install: error: cannot copy `/usr/lib/grub/x86_64-efi-signed/grubx64.efi.signed' to `/boot/efi/EFI/debian/grubx64.efi': No space left on device.

There are more missing checks in other utilities, but this should fix
the most critical ones.

Fixes Debian bug #922741.

Signed-off-by: Colin Watson <cjwatson@ubuntu.com>
Reviewed-by: Steve McIntyre <93sam@debian.org>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
 		2019-03-05 10:23:47 +01:00
..
arc arc: Do not create spurious variable grub_arc_memory_type_t. 2017-08-30 15:18:24 +02:00
arm efi: Rename armxx to arch 2019-02-25 11:28:44 +01:00
arm64 efi: Rename armxx to arch 2019-02-25 11:28:44 +01:00
coreboot coreboot: Split parts that are platform-independent. 2017-05-08 19:10:24 +02:00
efi RISC-V: Add to build system 2019-02-25 14:02:05 +01:00
efiemu Fix packed-not-aligned error on GCC 8 2018-04-04 21:51:42 +02:00
emu util: Detect more I/O errors 2019-03-05 10:23:47 +01:00
gcry Import gcrypt public-key cryptography and implement signature checking. 2013-01-11 21:32:42 +01:00
gcrypt Remove autogenerated files from VCS 2013-01-12 16:17:31 +01:00
i386 xen: Add basic hooks for PVH in current code 2018-12-12 12:03:27 +01:00
ia64 ia64: Add support for R_IA64_GPREL64I. 2017-01-31 12:39:01 +01:00
ieee1275 ieee1275: split up grub_machine_get_bootlocation 2018-03-14 13:24:40 +01:00
lib verifiers: Add possibility to verify kernel and modules command lines 2018-11-09 13:25:31 +01:00
mips multiboot fixup 2017-08-14 16:24:05 +02:00
net Add Virtual LAN support. 2017-05-03 13:03:50 +02:00
osdep Use _W64 to detect MinGW W64-32 instead of _FILE_OFFSET_BITS 2014-01-18 20:04:11 +04:00
powerpc * grub-core/lib/powerpc/setjmp.S (grub_setjmp): Save r31. 2013-11-18 02:35:32 +01:00
riscv32 RISC-V: Add auxiliary files 2019-02-25 14:01:59 +01:00
riscv64 RISC-V: Add auxiliary files 2019-02-25 14:01:59 +01:00
sparc64 sparc64: #blocks64 disk node method 2018-03-05 15:26:36 +01:00
uboot uboot: Add the missing disk write operation support 2019-01-22 15:23:51 +01:00
util grub-install: Check for arm-efi as a default target 2019-02-26 15:25:13 +01:00
x86_64 xen: Add basic hooks for PVH in current code 2018-12-12 12:03:27 +01:00
xen xen: modify page table construction 2016-10-27 16:22:06 +02:00
zfs zfs: com.delphix:embedded_data feature support 2015-05-03 18:45:40 +03:00
acorn_filecore.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
acpi.h Make grub_acpi_find_fadt accessible generically 2016-02-12 11:35:48 +01:00
aout.h aout.h: Fix missing include. 2018-03-05 13:44:55 +01:00
archelp.h Support for cbfs. Also factor out the part which is common 2013-06-16 00:06:13 +02:00
at_keyboard.h at_keyboard: Fix falco chromebook case. 2017-05-09 14:27:52 +02:00
ata.h Remove nested functions from device iterators. 2013-01-20 15:52:15 +00:00
auth.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
autoefi.h Remove grub_efi_allocate_pages. 2017-08-07 18:33:29 +02:00
backtrace.h Several cleanups 2012-02-26 19:10:52 +01:00
bitmap.h Detach optional parts of gfxterm and integrate in with coreboot init. 2013-05-31 00:42:33 +02:00
bitmap_scale.h * grub-core/gfxmenu/theme_loader.c: New global options for the 2013-10-02 18:17:33 +04:00
boottime.h * include/grub/boottime.h: Add missing file. 2013-03-20 16:58:07 +01:00
bsdlabel.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
btrfs.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
bufio.h verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
cache.h cache: Fix compilation for ppc, sparc and arm64 2017-07-09 20:59:15 +02:00
cbfs_core.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
charset.h * grub-core/commands/cat.c: Show UTF-8 characters. 2013-05-08 11:09:08 +02:00
cmos.h * include/grub/cmos.h: Handle high CMOS addresses on sparc64. 2013-03-02 23:59:05 +01:00
color.h Detach optional parts of gfxterm and integrate in with coreboot init. 2013-05-31 00:42:33 +02:00
command.h fix include loop on MinGW due to libintl.h pulling stdio.h 2014-01-18 21:22:57 +04:00
compiler-rt-emu.h arm-emu: Add __aeabi_memcpy* and __aeabi_memclr* symbols. 2015-07-23 02:15:46 +02:00
compiler-rt.h RISC-V: Add to build system 2019-02-25 14:02:05 +01:00
compiler.h fix include loop on MinGW due to libintl.h pulling stdio.h 2014-01-18 21:22:57 +04:00
crypto.h fix Mingw W64-32 cross compile failure due to printf redefinition in libintl.h 2014-01-25 21:49:41 +04:00
cryptodisk.h cryptodisk: teach grub_cryptodisk_insert() about partitions (bug #45889) 2015-11-07 18:52:59 +03:00
cs5536.h Some CS5536 code 2011-10-01 22:51:12 +02:00
datetime.h * include/grub/datetime.h (grub_datetime2unixtime): Fix unixtime 2013-03-10 19:19:21 +01:00
decompressor.h MAke a separate scratch for decompressor 2010-09-21 19:39:51 +02:00
deflate.h Implement Truecrypt ISO loader. 2013-12-17 14:45:46 +01:00
device.h Remove nested functions from device iterators. 2013-01-20 15:52:15 +00:00
disk.h Add new ports: i386-xen and x86_64-xen. This allows running GRUB in 2013-11-09 21:29:11 +01:00
diskfilter.h btrfs: Make more generic the code for RAID 6 rebuilding 2018-10-31 12:07:29 +01:00
dl.h RISC-V: Add awareness for RISC-V reloations 2019-02-25 11:34:09 +01:00
dma.h arm_coreboot: Support DMA. 2017-05-08 22:06:04 +02:00
elf.h elf.h: Add RISC-V definitions 2019-02-25 11:28:44 +01:00
elfload.h verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
env.h * grub-core/kern/env.c, include/grub/env.h: Change iterator through 2013-03-03 01:34:27 +01:00
env_private.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
err.h fix Mingw W64-32 cross compile failure due to printf redefinition in libintl.h 2014-01-25 21:49:41 +04:00
exfat.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
extcmd.h Put terminfo into core on ieee1275 and yeeloong (needed for console). 2010-09-30 17:50:01 +02:00
fat.h chainloader: Fix wrong break condition (must be AND not, OR) 2018-02-23 22:32:55 +01:00
fbblit.h Move blit and fill dispatcher to appropriate files to decrease export 2013-05-30 22:06:28 +02:00
fbfill.h * grub-core/gfxmenu/gui_box.c: Updated to work with area status. 2013-11-08 15:42:38 +04:00
fbutil.h Detach optional parts of gfxterm and integrate in with coreboot init. 2013-05-31 00:42:33 +02:00
fdt.h linux, efi, arm*, fdt: Break FDT extra allocation space out into a #define 2019-01-23 10:16:32 +01:00
fdtbus.h fdtbus: Add ability to send/receive messages on parent busses. 2017-05-09 08:43:20 +02:00
file.h fdt: Treat device tree file type like ACPI 2019-02-25 14:02:06 +01:00
fileid.h Implement grub_file tool and use it to implement generating of config 2013-12-17 14:39:48 +01:00
font.h * grub-core/font/font.c, include/grub/font.h: Inline simple font 2013-05-30 21:58:24 +02:00
fontformat.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
fs.h Implement better integration with Mac firmware. 2013-12-17 15:21:02 +01:00
fshelp.h fshelp: Add handling of "." and ".." and grub_fshelp_find_file_lookup. 2015-07-27 12:45:35 +02:00
gdb.h Adjust types in gdb module to have intended unsigned shifts rather than 2013-03-10 18:36:39 +01:00
gfxmenu_model.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
gfxmenu_view.h * grub-core/gfxmenu/theme_loader.c: New global options for the 2013-10-02 18:17:33 +04:00
gfxterm.h Detach optional parts of gfxterm and integrate in with coreboot init. 2013-05-31 00:42:33 +02:00
gfxwidgets.h Take into account the decorations the computing menu entry width. 2011-04-19 00:44:53 +02:00
gpt_partition.h disk: Update grub_gpt_partentry 2018-04-23 13:21:45 +02:00
gui.h * include/grub/gui.h (grub_fixed_sfs_divide): Round rather than 2013-11-08 16:17:29 +01:00
gui_string_util.h Move gfxmenu color handling to video, so that gfxterm can use it 2010-12-10 16:45:58 +00:00
hfs.h Implement better integration with Mac firmware. 2013-12-17 15:21:02 +01:00
hfsplus.h hfsplus: Fix potential access to uninited memory on invalid FS 2015-03-06 22:33:20 +01:00
i18n.h Add missing format_arg attribute to check that printf with translated 2013-12-17 16:42:01 +01:00
icon_manager.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
kernel.h xen: Prepare common code for Xen PVH support 2018-12-12 12:03:27 +01:00
keyboard_layouts.h Handle Japanese special keys. 2013-10-17 00:49:05 +02:00
legacy_parse.h * grub-core/tests/legacy_password_test.c: New test. 2013-11-12 02:38:33 +01:00
libpciaccess.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
linux.h Add ability to generate newc additions on runtime. 2013-03-22 21:01:28 +01:00
list.h verifiers: Framework core 2018-11-09 13:25:31 +01:00
loader.h Terminate UNDI and PXE before launching the payload to avoid problems 2012-04-11 22:32:31 +02:00
lvm.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
macho.h * grub-core/loader/machoXX.c: Fix compilation on non-i386. 2013-12-17 22:44:46 +01:00
machoload.h verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
memory.h Translate UEFI persistent memory type 2015-12-15 10:25:34 +03:00
menu.h Fix menu title instability bug. 2012-03-04 14:55:13 +01:00
menu_viewer.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
misc.h RISC-V: Add to build system 2019-02-25 14:02:05 +01:00
mm.h Remove grub_memalign on emu. 2013-12-08 18:12:20 +01:00
mm_private.h fix grub-emu compilation 2010-08-28 14:52:25 +02:00
module_verifier.h grub-module-verifier: Report the filename or modname in errors 2018-09-12 13:24:36 +02:00
msdos_partition.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
multiboot.h multiboot: disentangle multiboot and multiboot2. 2017-08-14 14:08:54 +02:00
multiboot2.h Add a file missing in multiboot2 commit. 2017-09-05 23:13:55 +02:00
multiboot_loader.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
net.h Add Virtual LAN support. 2017-05-03 13:03:50 +02:00
normal.h * grub-core/normal/main.c: Don't drop to rescue console in 2014-09-21 18:51:09 +02:00
ns8250.h Fix compilation on yeeloong 2010-08-29 13:45:36 +02:00
ntfs.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
offsets.h xen: Add PVH specific defines to offset.h 2018-12-12 12:03:27 +01:00
parser.h * grub-core/disk/ldm.c: Rename variables and arguments to prevent 2013-10-18 16:54:57 +02:00
partition.h Remove nested functions from device iterators. 2013-01-20 15:52:15 +00:00
parttool.h Add missing const qualifiers. 2011-11-30 16:20:13 +01:00
pci.h arm_coreboot: Support DMA. 2017-05-08 22:06:04 +02:00
pciutils.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
priority_queue.h * tests/priority_queue_unit_test.cc: New test. 2013-05-07 11:30:48 +02:00
procfs.h fix include loop on MinGW due to libintl.h pulling stdio.h 2014-01-18 21:22:57 +04:00
ps2.h at_keyboard: Split protocol from controller code. 2017-05-08 21:41:22 +02:00
pubkey.h verifiers: fix double close on pgp's sig file descriptor 2018-11-21 14:46:53 +01:00
random.h Add RNG module. 2016-02-12 12:39:38 +01:00
reader.h Remove nested functions from script reading and parsing. 2013-01-15 12:03:25 +00:00
reed_solomon.h C part of Reed-Solomon 2010-09-24 14:05:47 +02:00
relocator.h boot services avoid code based on the patch by Matthew Garrett 2012-03-03 20:06:41 +01:00
relocator_private.h Fix ppc compilation problems 2010-05-01 13:23:19 +02:00
script_sh.h * grub-core/disk/ldm.c: Rename variables and arguments to prevent 2013-10-18 16:54:57 +02:00
scsi.h Remove nested functions from device iterators. 2013-01-20 15:52:15 +00:00
scsicmd.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
sdl.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
search.h support subpartition hints 2010-09-13 12:16:22 +02:00
serial.h * grub-core/term/serial.c: Add option for enabling/disabling 2013-11-08 18:20:20 +01:00
setjmp.h * include/grub/setjmp.h: Define RETURNS_TWICE. Keep it empty for 2013-10-18 16:38:36 +02:00
smbus.h working copy, wo nested packaging 2010-08-17 19:03:22 +05:30
speaker.h New terminal outputs using serial: morse and spkmodem. 2013-01-16 20:39:54 +01:00
symbol.h With Apple assembly in .macro environvemnt you have to use $$ instead 2013-11-24 07:08:18 +01:00
syslinux_parse.h Implement syslinux parser. 2013-12-18 05:28:05 +01:00
term.h core: use GRUB_TERM_ definitions when handling term characters 2017-08-07 19:28:22 +02:00
terminfo.h Lift 255x255 erminal sie restriction to 65535x65535. Also change from 2013-10-19 23:59:32 +02:00
test.h * include/grub/test.h: Use gnu_printf rather than printf on GRUB 2013-12-15 14:39:21 +01:00
time.h Add a new "none" platform that only builds utilities 2014-09-23 12:06:30 +01:00
tparm.h Add missing const qualifiers. 2011-11-30 16:20:13 +01:00
tpm.h verifiers: Core TPM support 2018-12-12 14:51:26 +01:00
trig.h * grub-core/gentrigtables.c: Make tables const. 2013-03-01 11:15:09 +01:00
types.h Make unaligned types public. 2016-02-12 09:11:06 +01:00
udf.h Split out blocklist retrieving from setup.c to 2013-10-15 17:02:26 +02:00
unicode.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
usb.h arm_coreboot: Support EHCI. 2017-05-08 22:15:05 +02:00
usbdesc.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
usbserial.h Implement USBDebug (full USB stack variant). 2013-02-01 21:49:29 +01:00
usbtrans.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00
verify.h verifiers: Verify commands executed by grub 2018-12-12 13:17:52 +01:00
vga.h Add monochrome text support (mda_text, aka `hercules' in grub-legacy). 2012-06-28 15:27:54 +02:00
vgaregs.h Add monochrome text support (mda_text, aka `hercules' in grub-legacy). 2012-06-28 15:27:54 +02:00
video.h * include/grub/video.h (grub_video_rgba_color_rgb): Fix prototype 2013-12-21 14:31:47 +01:00
video_fb.h * grub-core/gfxmenu/gui_box.c: Updated to work with area status. 2013-11-08 15:42:38 +04:00
xen.h xen: Add basic hooks for PVH in current code 2018-12-12 12:03:27 +01:00
xen_file.h xen: add capability to load p2m list outside of kernel mapping 2016-10-27 16:22:06 +02:00
xnu.h Add gcc_struct to all packed structures when compiling with mingw. 2013-12-15 14:14:30 +01:00