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Группа :: Система/Ядро и оборудование
Пакет: grub

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Патч: grub-2.02-efibootmgr-check.patch
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From 9bf24c661aac96f62a7aef6ee41da4ca5ccf9b7a Mon Sep 17 00:00:00 2001
From: Steve McIntyre <93sam@debian.org>
Date: Mon, 30 Jan 2017 19:04:51 +0000
Subject: Make grub-install check for errors from efibootmgr
Code is currently ignoring errors from efibootmgr, giving users
clearly bogus output like:
        Setting up grub-efi-amd64 (2.02~beta3-4) ...
        Installing for x86_64-efi platform.
        Could not delete variable: No space left on device
        Could not prepare Boot variable: No space left on device
        Installation finished. No error reported.
and then potentially unbootable systems. If efibootmgr fails,
grub-install should know that and report it!
Signed-off-by: Steve McIntyre <93sam@debian.org>
Bug-Debian: https://bugs.debian.org/853234
Forwarded: https://lists.gnu.org/archive/html/grub-devel/2017-01/msg00107.html
Patch-Name: grub-install-efibootmgr-check.patch
---
 grub-core/osdep/unix/platform.c | 24 +++++++++++++++---------
 include/grub/util/install.h     |  2 +-
 util/grub-install.c             | 14 +++++++++++---
 3 files changed, 27 insertions(+), 13 deletions(-)
diff --git a/grub-core/osdep/unix/platform.c b/grub-core/osdep/unix/platform.c
index 28cb37e15..f9c376c35 100644
--- a/grub-core/osdep/unix/platform.c
+++ b/grub-core/osdep/unix/platform.c
@@ -78,19 +78,20 @@ get_ofpathname (const char *dev)
 		   dev);
 }
 
-static void
+static int
 grub_install_remove_efi_entries_by_distributor (const char *efi_distributor)
 {
   int fd;
   pid_t pid = grub_util_exec_pipe ((const char * []){ "efibootmgr", NULL }, &fd);
   char *line = NULL;
   size_t len = 0;
+  int error = 0;
 
   if (!pid)
     {
       grub_util_warn (_("Unable to open stream from %s: %s"),
 		      "efibootmgr", strerror (errno));
-      return;
+      return errno;
     }
 
   FILE *fp = fdopen (fd, "r");
@@ -98,7 +99,7 @@ grub_install_remove_efi_entries_by_distributor (const char *efi_distributor)
     {
       grub_util_warn (_("Unable to open stream from %s: %s"),
 		      "efibootmgr", strerror (errno));
-      return;
+      return errno;
     }
 
   line = xmalloc (80);
@@ -119,23 +120,25 @@ grub_install_remove_efi_entries_by_distributor (const char *efi_distributor)
       bootnum = line + sizeof ("Boot") - 1;
       bootnum[4] = '\0';
       if (!verbosity)
-	grub_util_exec ((const char * []){ "efibootmgr", "-q",
+	error = grub_util_exec ((const char * []){ "efibootmgr", "-q",
 	      "-b", bootnum,  "-B", NULL });
       else
-	grub_util_exec ((const char * []){ "efibootmgr",
+	error = grub_util_exec ((const char * []){ "efibootmgr",
 	      "-b", bootnum, "-B", NULL });
     }
 
   free (line);
+  return error;
 }
 
-void
+int
 grub_install_register_efi (grub_device_t efidir_grub_dev,
 			   const char *efifile_path,
 			   const char *efi_distributor)
 {
   const char * efidir_disk;
   int efidir_part;
+  int error = 0;
   efidir_disk = grub_util_biosdisk_get_osdev (efidir_grub_dev->disk);
   efidir_part = efidir_grub_dev->disk->partition ? efidir_grub_dev->disk->partition->number + 1 : 1;
 
@@ -151,23 +154,26 @@ grub_install_register_efi (grub_device_t efidir_grub_dev,
   grub_util_exec ((const char * []){ "modprobe", "-q", "efivars", NULL });
 #endif
   /* Delete old entries from the same distributor.  */
-  grub_install_remove_efi_entries_by_distributor (efi_distributor);
+  error = grub_install_remove_efi_entries_by_distributor (efi_distributor);
+  if (error)
+    return error;
 
   char *efidir_part_str = xasprintf ("%d", efidir_part);
 
   if (!verbosity)
-    grub_util_exec ((const char * []){ "efibootmgr", "-q",
+    error = grub_util_exec ((const char * []){ "efibootmgr", "-q",
 	  "-c", "-d", efidir_disk,
 	  "-p", efidir_part_str, "-w",
 	  "-L", efi_distributor, "-l", 
 	  efifile_path, NULL });
   else
-    grub_util_exec ((const char * []){ "efibootmgr",
+    error = grub_util_exec ((const char * []){ "efibootmgr",
 	  "-c", "-d", efidir_disk,
 	  "-p", efidir_part_str, "-w",
 	  "-L", efi_distributor, "-l", 
 	  efifile_path, NULL });
   free (efidir_part_str);
+  return error;
 }
 
 void
diff --git a/include/grub/util/install.h b/include/grub/util/install.h
index 9f517a1bb..58648e209 100644
--- a/include/grub/util/install.h
+++ b/include/grub/util/install.h
@@ -209,7 +209,7 @@ grub_install_get_default_x86_platform (void);
 const char *
 grub_install_get_default_powerpc_machtype (void);
 
-void
+int
 grub_install_register_efi (grub_device_t efidir_grub_dev,
 			   const char *efifile_path,
 			   const char *efi_distributor);
diff --git a/util/grub-install.c b/util/grub-install.c
index d87d228c9..7a7e67eac 100644
--- a/util/grub-install.c
+++ b/util/grub-install.c
@@ -2002,9 +2002,13 @@ main (int argc, char *argv[])
 	  if (!removable && update_nvram)
 	    {
 	      /* Try to make this image bootable using the EFI Boot Manager, if available.  */
-	      grub_install_register_efi (efidir_grub_dev,
+	      int error = 0;
+	      error = grub_install_register_efi (efidir_grub_dev,
 					 "\\System\\Library\\CoreServices",
 					 efi_distributor);
+	      if (error)
+	        grub_util_error (_("efibootmgr failed to register the boot entry: %s"),
+				 strerror (error));
 	    }
 
 	  grub_device_close (ins_dev);
@@ -2094,6 +2098,7 @@ main (int argc, char *argv[])
 	{
 	  char * efifile_path;
 	  char * part;
+	  int error = 0;
 
 	  /* Try to make this image bootable using the EFI Boot Manager, if available.  */
 	  if (!efi_distributor || efi_distributor[0] == '\0')
@@ -2110,8 +2115,11 @@ main (int argc, char *argv[])
 			  efidir_grub_dev->disk->name,
 			  (part ? ",": ""), (part ? : ""));
 	  grub_free (part);
-	  grub_install_register_efi (efidir_grub_dev,
-				     efifile_path, efi_distributor);
+	  error = grub_install_register_efi (efidir_grub_dev,
+					     efifile_path, efi_distributor);
+	  if (error)
+	    grub_util_error (_("efibootmgr failed to register the boot entry: %s"),
+			     strerror (error));
 	}
       break;
 
 
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