grub2/grub2-commands-introduce-read_file-subcommand.patch
Michael Chang 62e3547e57 Accepting request 741033 from home:michael-chang:devel
- Version bump to 2.04
  * removed
    - translations-20170427.tar.xz
  * grub2.spec
    - Make signed grub-tpm.efi specific to x86_64-efi build, the platform
      currently shipped with tpm module from upstream codebase
    - Add shim_lock to signed grub.efi in x86_64-efi build
    - x86_64: linuxefi now depends on linux, both will verify kernel via
      shim_lock
    - Remove translation tarball and po file hacks as it's been included in
      upstream tarball
  * rediff
    - grub2-setup-try-fs-embed-if-mbr-gap-too-small.patch
    - grub2-commands-introduce-read_file-subcommand.patch
    - grub2-secureboot-add-linuxefi.patch
    - 0001-add-support-for-UEFI-network-protocols.patch
    - grub2-efi-HP-workaround.patch
    - grub2-secureboot-install-signed-grub.patch
    - grub2-linux.patch
    - use-grub2-as-a-package-name.patch
    - grub2-pass-corret-root-for-nfsroot.patch
    - grub2-secureboot-use-linuxefi-on-uefi.patch
    - grub2-secureboot-no-insmod-on-sb.patch
    - grub2-secureboot-provide-linuxefi-config.patch
    - grub2-secureboot-chainloader.patch
    - grub2-s390x-01-Changes-made-and-files-added-in-order-to-allow-s390x.patch
    - grub2-s390x-02-kexec-module-added-to-emu.patch
    - grub2-s390x-04-grub2-install.patch
    - grub2-btrfs-01-add-ability-to-boot-from-subvolumes.patch
    - grub2-efi-chainloader-root.patch

OBS-URL: https://build.opensuse.org/request/show/741033
OBS-URL: https://build.opensuse.org/package/show/Base:System/grub2?expand=0&rev=340
2019-10-18 10:18:53 +00:00

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From: Raymund Will <rw@suse.com>
Subject: Introduce a 'read_file' sub-command.
References: bsc#892852, bsc#891946
Patch-Mainline: not yet
Needed to allow s390x-emu to be telecontrolled via LOADPARM.
v2: Added GRUB_FILE_TYPE_READ_ENVVAR as file type by read_file sub-command
tracked by verifier framework.
---
grub-core/commands/read.c | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
Index: grub-2.04~rc1/grub-core/commands/read.c
===================================================================
--- grub-2.04~rc1.orig/grub-core/commands/read.c
+++ grub-2.04~rc1/grub-core/commands/read.c
@@ -20,6 +20,7 @@
#include <grub/dl.h>
#include <grub/misc.h>
#include <grub/mm.h>
+#include <grub/normal.h>
#include <grub/env.h>
#include <grub/term.h>
#include <grub/types.h>
@@ -77,16 +78,49 @@ grub_cmd_read (grub_command_t cmd __attr
return 0;
}
+static grub_err_t
+grub_cmd_read_from_file (grub_command_t cmd __attribute__ ((unused)), int argc, char **args)
+{
+ char *line;
+ int i = 0;
+ grub_file_t file;
+
+ if (argc < 1)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("file name expected"));
+ if (argc < 2)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("variable name expected"));
+ file = grub_file_open (args[i++], GRUB_FILE_TYPE_READ_ENVVAR);
+ if (! file)
+ return grub_errno;
+ while ( i < argc )
+ {
+ line = grub_file_getline (file);
+ if ( !line )
+ break;
+ grub_env_set (args[i++], line);
+ grub_free (line);
+ }
+ grub_file_close (file);
+ if (i != argc)
+ return GRUB_ERR_OUT_OF_RANGE;
+ return 0;
+}
+
static grub_command_t cmd;
+static grub_command_t cme;
GRUB_MOD_INIT(read)
{
cmd = grub_register_command ("read", grub_cmd_read,
N_("[ENVVAR]"),
N_("Set variable with user input."));
+ cme = grub_register_command ("read_file", grub_cmd_read_from_file,
+ N_("FILE ENVVAR [...]"),
+ N_("Set variable(s) with line(s) from FILE."));
}
GRUB_MOD_FINI(read)
{
grub_unregister_command (cmd);
+ grub_unregister_command (cme);
}
Index: grub-2.04~rc1/include/grub/file.h
===================================================================
--- grub-2.04~rc1.orig/include/grub/file.h
+++ grub-2.04~rc1/include/grub/file.h
@@ -122,6 +122,7 @@ enum grub_file_type
GRUB_FILE_TYPE_FS_SEARCH,
GRUB_FILE_TYPE_AUDIO,
GRUB_FILE_TYPE_VBE_DUMP,
+ GRUB_FILE_TYPE_READ_ENVVAR,
GRUB_FILE_TYPE_LOADENV,
GRUB_FILE_TYPE_SAVEENV,