Update GRUB to latest version

1 files changed, 0 insertions, 329 deletions

diff --git a/resources/grub/patch/grub.johnlane.ie/0003-Cryptomount-luks-allow-multiple-passphrase-attempts.patch b/resources/grub/patch/grub.johnlane.ie/0003-Cryptomount-luks-allow-multiple-passphrase-attempts.patch
deleted file mode 100644
index 538f4aef..00000000
--- a/resources/grub/patch/grub.johnlane.ie/0003-Cryptomount-luks-allow-multiple-passphrase-attempts.patch
+++ /dev/null
@@ -1,329 +0,0 @@
-From f39e8ee5696f15860c73b07e652a8b59fcc834c7 Mon Sep 17 00:00:00 2001
-From: John Lane <john@lane.uk.net>
-Date: Fri, 26 Jun 2015 13:49:58 +0100
-Subject: [PATCH 04/10] Cryptomount luks allow multiple passphrase attempts
-
----
- grub-core/disk/luks.c | 278 ++++++++++++++++++++++++++------------------------
- 1 file changed, 143 insertions(+), 135 deletions(-)
-
-diff --git a/grub-core/disk/luks.c b/grub-core/disk/luks.c
-index 5882368..11e437e 100644
---- a/grub-core/disk/luks.c
-+++ b/grub-core/disk/luks.c
-@@ -321,10 +321,10 @@ configure_ciphers (grub_disk_t disk, const char *check_uuid,
- 
- static grub_err_t
- luks_recover_key (grub_disk_t source,
--		  grub_cryptodisk_t dev,
--		  grub_file_t hdr,
--		  grub_uint8_t *keyfile_bytes,
--		  grub_size_t keyfile_bytes_size)
-+                  grub_cryptodisk_t dev,
-+                  grub_file_t hdr,
-+                  grub_uint8_t *keyfile_bytes,
-+                  grub_size_t keyfile_bytes_size)
- {
-   struct grub_luks_phdr header;
-   grub_size_t keysize;
-@@ -339,6 +339,7 @@ luks_recover_key (grub_disk_t source,
-   grub_size_t max_stripes = 1;
-   char *tmp;
-   grub_uint32_t sector;
-+  unsigned attempts = 2;
- 
-   err = GRUB_ERR_NONE;
- 
-@@ -361,151 +362,158 @@ luks_recover_key (grub_disk_t source,
- 
-   for (i = 0; i < ARRAY_SIZE (header.keyblock); i++)
-     if (grub_be_to_cpu32 (header.keyblock[i].active) == LUKS_KEY_ENABLED
--	&& grub_be_to_cpu32 (header.keyblock[i].stripes) > max_stripes)
-+        && grub_be_to_cpu32 (header.keyblock[i].stripes) > max_stripes)
-       max_stripes = grub_be_to_cpu32 (header.keyblock[i].stripes);
- 
-   split_key = grub_malloc (keysize * max_stripes);
-   if (!split_key)
-     return grub_errno;
- 
--  if (keyfile_bytes)
-+  while (attempts)
-     {
--      /* Use bytestring from key file as passphrase */
--      passphrase = keyfile_bytes;
--      passphrase_length = keyfile_bytes_size;
--    }
--  else
--    {
--      /* Get the passphrase from the user.  */
--      tmp = NULL;
--      if (source->partition)
--        tmp = grub_partition_get_name (source->partition);
--      grub_printf_ (N_("Enter passphrase for %s%s%s (%s): "), source->name,
--		    source->partition ? "," : "", tmp ? : "", dev->uuid);
--      grub_free (tmp);
--      if (!grub_password_get (interactive_passphrase, MAX_PASSPHRASE))
-+      if (keyfile_bytes)
-         {
--          grub_free (split_key);
--          return grub_error (GRUB_ERR_BAD_ARGUMENT, "Passphrase not supplied");
--        }
--
--      passphrase = (grub_uint8_t *)interactive_passphrase;
--      passphrase_length = grub_strlen (interactive_passphrase);
--
--    }
--
--  /* Try to recover master key from each active keyslot.  */
--  for (i = 0; i < ARRAY_SIZE (header.keyblock); i++)
--    {
--      gcry_err_code_t gcry_err;
--      grub_uint8_t candidate_key[GRUB_CRYPTODISK_MAX_KEYLEN];
--      grub_uint8_t digest[GRUB_CRYPTODISK_MAX_KEYLEN];
--
--      /* Check if keyslot is enabled.  */
--      if (grub_be_to_cpu32 (header.keyblock[i].active) != LUKS_KEY_ENABLED)
--	continue;
--
--      grub_dprintf ("luks", "Trying keyslot %d\n", i);
--
--      /* Calculate the PBKDF2 of the user supplied passphrase.  */
--      gcry_err = grub_crypto_pbkdf2 (dev->hash, (grub_uint8_t *) passphrase,
--				     passphrase_length,
--				     header.keyblock[i].passwordSalt,
--				     sizeof (header.keyblock[i].passwordSalt),
--				     grub_be_to_cpu32 (header.keyblock[i].
--						       passwordIterations),
--				     digest, keysize);
--
--      if (gcry_err)
--	{
--	  grub_free (split_key);
--	  return grub_crypto_gcry_error (gcry_err);
--	}
--
--      grub_dprintf ("luks", "PBKDF2 done\n");
--
--      gcry_err = grub_cryptodisk_setkey (dev, digest, keysize); 
--      if (gcry_err)
--	{
--	  grub_free (split_key);
--	  return grub_crypto_gcry_error (gcry_err);
--	}
--
--      sector = grub_be_to_cpu32 (header.keyblock[i].keyMaterialOffset);
--      length = (keysize * grub_be_to_cpu32 (header.keyblock[i].stripes));
--
--      /* Read and decrypt the key material from the disk.  */
--      if (hdr)
--        {
--	  grub_file_seek (hdr, sector * 512);
--          if (grub_file_read (hdr, split_key, length) != (grub_ssize_t)length)
--            err = GRUB_ERR_READ_ERROR;
-+          /* Use bytestring from key file as passphrase */
-+          passphrase = keyfile_bytes;
-+          passphrase_length = keyfile_bytes_size;
-+	  keyfile_bytes = NULL; /* use it only once */
-         }
-       else
--        err = grub_disk_read (source, sector, 0, length, split_key);
--      if (err)
--	{
--	  grub_free (split_key);
--	  return err;
--	}
--
--      gcry_err = grub_cryptodisk_decrypt (dev, split_key, length, 0);
--      if (gcry_err)
--	{
--	  grub_free (split_key);
--	  return grub_crypto_gcry_error (gcry_err);
--	}
--
--      /* Merge the decrypted key material to get the candidate master key.  */
--      gcry_err = AF_merge (dev->hash, split_key, candidate_key, keysize,
--			   grub_be_to_cpu32 (header.keyblock[i].stripes));
--      if (gcry_err)
--	{
--	  grub_free (split_key);
--	  return grub_crypto_gcry_error (gcry_err);
--	}
--
--      grub_dprintf ("luks", "candidate key recovered\n");
--
--      /* Calculate the PBKDF2 of the candidate master key.  */
--      gcry_err = grub_crypto_pbkdf2 (dev->hash, candidate_key,
--				     grub_be_to_cpu32 (header.keyBytes),
--				     header.mkDigestSalt,
--				     sizeof (header.mkDigestSalt),
--				     grub_be_to_cpu32
--				     (header.mkDigestIterations),
--				     candidate_digest,
--				     sizeof (candidate_digest));
--      if (gcry_err)
--	{
--	  grub_free (split_key);
--	  return grub_crypto_gcry_error (gcry_err);
--	}
--
--      /* Compare the calculated PBKDF2 to the digest stored
--         in the header to see if it's correct.  */
--      if (grub_memcmp (candidate_digest, header.mkDigest,
--		       sizeof (header.mkDigest)) != 0)
--	{
--	  grub_dprintf ("luks", "bad digest\n");
--	  continue;
--	}
-+        {
-+          /* Get the passphrase from the user.  */
-+          tmp = NULL;
-+          if (source->partition)
-+            tmp = grub_partition_get_name (source->partition);
-+          grub_printf_ (N_("Enter passphrase for %s%s%s (%s): "), source->name,
-+                              source->partition ? "," : "", tmp ? : "", dev->uuid);
-+          grub_free (tmp);
-+          if (!grub_password_get (interactive_passphrase, MAX_PASSPHRASE))
-+            {
-+              grub_free (split_key);
-+              return grub_error (GRUB_ERR_BAD_ARGUMENT, "Passphrase not supplied");
-+            }
-+
-+          passphrase = (grub_uint8_t *)interactive_passphrase;
-+          passphrase_length = grub_strlen (interactive_passphrase);
- 
--      /* TRANSLATORS: It's a cryptographic key slot: one element of an array
--	 where each element is either empty or holds a key.  */
--      grub_printf_ (N_("Slot %d opened\n"), i);
-+        }
- 
--      /* Set the master key.  */
--      gcry_err = grub_cryptodisk_setkey (dev, candidate_key, keysize); 
--      if (gcry_err)
--	{
--	  grub_free (split_key);
--	  return grub_crypto_gcry_error (gcry_err);
--	}
-+      /* Try to recover master key from each active keyslot.  */
-+      for (i = 0; i < ARRAY_SIZE (header.keyblock); i++)
-+        {
-+          gcry_err_code_t gcry_err;
-+          grub_uint8_t candidate_key[GRUB_CRYPTODISK_MAX_KEYLEN];
-+          grub_uint8_t digest[GRUB_CRYPTODISK_MAX_KEYLEN];
-+
-+          /* Check if keyslot is enabled.  */
-+          if (grub_be_to_cpu32 (header.keyblock[i].active) != LUKS_KEY_ENABLED)
-+            continue;
-+
-+          grub_dprintf ("luks", "Trying keyslot %d\n", i);
-+
-+          /* Calculate the PBKDF2 of the user supplied passphrase.  */
-+          gcry_err = grub_crypto_pbkdf2 (dev->hash, (grub_uint8_t *) passphrase,
-+                                         passphrase_length,
-+                                         header.keyblock[i].passwordSalt,
-+                                         sizeof (header.keyblock[i].passwordSalt),
-+                                         grub_be_to_cpu32 (header.keyblock[i].
-+                                         passwordIterations),
-+                                         digest, keysize);
-+
-+          if (gcry_err)
-+            {
-+              grub_free (split_key);
-+              return grub_crypto_gcry_error (gcry_err);
-+            }
-+
-+          grub_dprintf ("luks", "PBKDF2 done\n");
-+
-+          gcry_err = grub_cryptodisk_setkey (dev, digest, keysize);
-+          if (gcry_err)
-+            {
-+              grub_free (split_key);
-+              return grub_crypto_gcry_error (gcry_err);
-+            }
-+
-+          sector = grub_be_to_cpu32 (header.keyblock[i].keyMaterialOffset);
-+          length = (keysize * grub_be_to_cpu32 (header.keyblock[i].stripes));
-+
-+          /* Read and decrypt the key material from the disk.  */
-+          if (hdr)
-+            {
-+              grub_file_seek (hdr, sector * 512);
-+              if (grub_file_read (hdr, split_key, length) != (grub_ssize_t)length)
-+                err = GRUB_ERR_READ_ERROR;
-+            }
-+          else
-+            err = grub_disk_read (source, sector, 0, length, split_key);
-+          if (err)
-+            {
-+              grub_free (split_key);
-+              return err;
-+            }
-+
-+          gcry_err = grub_cryptodisk_decrypt (dev, split_key, length, 0);
-+          if (gcry_err)
-+            {
-+              grub_free (split_key);
-+              return grub_crypto_gcry_error (gcry_err);
-+            }
-+
-+          /* Merge the decrypted key material to get the candidate master key.  */
-+          gcry_err = AF_merge (dev->hash, split_key, candidate_key, keysize,
-+                               grub_be_to_cpu32 (header.keyblock[i].stripes));
-+          if (gcry_err)
-+            {
-+              grub_free (split_key);
-+              return grub_crypto_gcry_error (gcry_err);
-+            }
-+
-+          grub_dprintf ("luks", "candidate key recovered\n");
-+
-+          /* Calculate the PBKDF2 of the candidate master key.  */
-+          gcry_err = grub_crypto_pbkdf2 (dev->hash, candidate_key,
-+                                     grub_be_to_cpu32 (header.keyBytes),
-+                                     header.mkDigestSalt,
-+                                     sizeof (header.mkDigestSalt),
-+                                     grub_be_to_cpu32
-+                                     (header.mkDigestIterations),
-+                                     candidate_digest,
-+                                     sizeof (candidate_digest));
-+          if (gcry_err)
-+            {
-+              grub_free (split_key);
-+              return grub_crypto_gcry_error (gcry_err);
-+            }
-+
-+          /* Compare the calculated PBKDF2 to the digest stored
-+             in the header to see if it's correct.  */
-+          if (grub_memcmp (candidate_digest, header.mkDigest,
-+                                             sizeof (header.mkDigest)) != 0)
-+            {
-+              grub_dprintf ("luks", "bad digest\n");
-+              continue;
-+            }
-+
-+          /* TRANSLATORS: It's a cryptographic key slot: one element of an array
-+             where each element is either empty or holds a key.  */
-+          grub_printf_ (N_("Slot %d opened\n"), i);
-+
-+          /* Set the master key.  */
-+          gcry_err = grub_cryptodisk_setkey (dev, candidate_key, keysize);
-+          if (gcry_err)
-+            {
-+              grub_free (split_key);
-+              return grub_crypto_gcry_error (gcry_err);
-+            }
- 
--      grub_free (split_key);
-+          grub_free (split_key);
- 
--      return GRUB_ERR_NONE;
-+          return GRUB_ERR_NONE;
-+        }
-+      grub_printf_ (N_("Failed to decrypt master key.\n"));
-+      if (--attempts) grub_printf_ (N_("%u attempt%s remaining.\n"), attempts,
-+		                    (attempts==1) ? "" : "s");
-     }
- 
-   grub_free (split_key);
--- 
-1.9.1
-