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Paulo Flabiano Smorigo cb2f15c544 normal/main: Search for specific config files for netboot 
This patch implements a search for a specific configuration when the config
file is on a remoteserver. It uses the following order:
   1) DHCP client UUID option.
   2) MAC address (in lower case hexadecimal with dash separators);
   3) IP (in upper case hexadecimal) or IPv6;
   4) The original grub.cfg file.

This procedure is similar to what is used by pxelinux and yaboot:
http://www.syslinux.org/wiki/index.php/PXELINUX#config

It is enabled by default but can be disabled by setting the environment
variable "feature_net_search_cfg" to "n" in an embedded configuration.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=873406

Signed-off-by: Paulo Flabiano Smorigo <pfsmorigo@br.ibm.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2020-02-18 15:12:06 +01:00
..
boot A workaround for clang problem assembling startup_raw.S 2019-04-08 15:22:10 +10:00
bus ehci: Fix compilation on i386 2017-07-09 21:31:19 +02:00
commands probe: Support probing for msdos PARTUUID 2019-10-21 14:00:54 +02:00
disk disk: Implement support for LUKS2 2020-01-10 14:30:24 +01:00
efiemu smbios: Add a module for retrieving SMBIOS information 2019-07-11 21:06:12 +02:00
font verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
fs squash4: Fix an uninitialized variable 2020-01-28 21:22:01 +01:00
gdb i386, x86_64, ppc: fix switch fallthrough cases with GCC7 2017-04-04 19:23:55 +03:00
gettext verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
gfxmenu verifiers: File type for fine-grained signature-verification controlling 2018-11-09 13:25:31 +01:00
hello * grub-core/commands/gptsync.c: Fix typographic quoting. 2012-03-03 13:05:08 +01:00
hook * grub-core/hook/datehook.c (grub_read_hook_datetime): Small stylistic 2011-11-11 21:03:49 +01:00
io Change fs functions to add fs_ prefix 2019-04-09 10:03:29 +10:00
kern kern: Add %X option to printf functions 2020-02-18 15:12:06 +01:00
lib normal: Move common datetime functions out of the normal module 2020-02-18 15:12:06 +01:00
loader multiboot2: Set min address for mbi allocation to 0x1000 2019-12-20 20:35:21 +01:00
mmap xen: Prepare common code for Xen PVH support 2018-12-12 12:03:27 +01:00
net normal/main: Search for specific config files for netboot 2020-02-18 15:12:06 +01:00
normal normal/main: Search for specific config files for netboot 2020-02-18 15:12:06 +01:00
osdep hostdisk: Set linux file descriptor to O_CLOEXEC as default 2019-11-18 13:42:55 +01:00
partmap msdos: Fix overflow in converting partition start and length into 512B blocks 2018-09-27 14:56:45 +02:00
parttool * grub-core/net/http.c: Add TRANSLATORS comments. 2012-03-05 16:42:26 +01:00
script verifiers: Verify commands executed by grub 2018-12-12 13:17:52 +01:00
term at_keyboard: Fix unreliable key presses 2019-10-21 14:07:47 +02:00
tests Regenerate checksum.h with newer unifont. 2017-08-30 17:12:04 +02:00
video video: skip 'text' gfxpayload if not supported, to fallback to default 2019-05-20 13:00:44 +02:00
gdb_grub.in * grub-core/gdb_grub.in: Fix overflow and wrong field. 2013-10-14 03:40:20 +02:00
genemuinit.sh use MODULE_FILES for genemuinit* instead of MOD_FILES 2014-01-18 23:15:40 +04:00
genemuinitheader.sh use MODULE_FILES for genemuinit* instead of MOD_FILES 2014-01-18 23:15:40 +04:00
genmod.sh.in .mod files: Strip annobin annotations and .eh_frame, and their relocations 2018-03-05 14:08:22 +01:00
genmoddep.awk enforcing fixup 2017-08-14 16:27:10 +02:00
gensyminfo.sh.in Fix shebang for termux. 2017-05-03 12:49:31 +02:00
gensymlist.sh Make 'make check' work on emu. 2013-04-27 02:00:16 +02:00
gentrigtables.c * grub-core/gentrigtables.c: Make tables const. 2013-03-01 11:15:09 +01:00
gmodule.pl.in * grub-core/gmodule.pl.in: Accept newer binutils which output 2014-09-21 18:23:23 +02:00
Makefile.am RISC-V: Add to build system 2019-02-25 14:02:05 +01:00
Makefile.core.def normal: Move common datetime functions out of the normal module 2020-02-18 15:12:06 +01:00
modinfo.sh.in Fix shebang for termux. 2017-05-03 12:49:31 +02:00