1 files changed, 122 insertions, 0 deletions
diff --git a/resources/grub/patch/grub.johnlane.ie/0005-Cryptomount-support-for-hyphens-in-UUID.patch b/resources/grub/patch/grub.johnlane.ie/0005-Cryptomount-support-for-hyphens-in-UUID.patch
new file mode 100644
index 00000000..2684f062
--- /dev/null
+++ b/resources/grub/patch/grub.johnlane.ie/0005-Cryptomount-support-for-hyphens-in-UUID.patch
@@ -0,0 +1,122 @@
+From 047a5b323de2a0c45a6fe2b6854106830da5f3ae Mon Sep 17 00:00:00 2001
+From: John Lane <john@lane.uk.net>
+Date: Fri, 26 Jun 2015 22:48:03 +0100
+Subject: [PATCH 06/10] Cryptomount support for hyphens in UUID
+
+---
+ grub-core/disk/cryptodisk.c | 20 +++++++++++++++++---
+ grub-core/disk/luks.c       | 26 ++++++++------------------
+ include/grub/cryptodisk.h   |  2 ++
+ 3 files changed, 27 insertions(+), 21 deletions(-)
+
+diff --git a/grub-core/disk/cryptodisk.c b/grub-core/disk/cryptodisk.c
+index 57fb904..5430b2e 100644
+--- a/grub-core/disk/cryptodisk.c
++++ b/grub-core/disk/cryptodisk.c
+@@ -114,6 +114,20 @@ gf_mul_be (grub_uint8_t *o, const grub_uint8_t *a, const grub_uint8_t *b)
+     }
+ }
+ 
++int
++grub_cryptodisk_uuidcmp(char *uuid_a, char *uuid_b)
++{
++  while ((*uuid_a != '\0') && (*uuid_b != '\0'))
++    {
++      while (*uuid_a == '-') uuid_a++;
++      while (*uuid_b == '-') uuid_b++;
++      if (grub_toupper(*uuid_a) != grub_toupper(*uuid_b)) break;
++      uuid_a++;
++      uuid_b++;
++    }
++  return (*uuid_a == '\0') && (*uuid_b == '\0');
++}
++
+ static gcry_err_code_t
+ grub_crypto_pcbc_decrypt (grub_crypto_cipher_handle_t cipher,
+ 			 void *out, void *in, grub_size_t size,
+@@ -508,8 +522,8 @@ grub_cryptodisk_open (const char *name, grub_disk_t disk)
+   if (grub_memcmp (name, "cryptouuid/", sizeof ("cryptouuid/") - 1) == 0)
+     {
+       for (dev = cryptodisk_list; dev != NULL; dev = dev->next)
+-	if (grub_strcasecmp (name + sizeof ("cryptouuid/") - 1, dev->uuid) == 0)
+-	  break;
++        if (grub_cryptodisk_uuidcmp(name + sizeof ("cryptouuid/") - 1, dev->uuid))
++          break;
+     }
+   else
+     {
+@@ -741,7 +755,7 @@ grub_cryptodisk_get_by_uuid (const char *uuid)
+ {
+   grub_cryptodisk_t dev;
+   for (dev = cryptodisk_list; dev != NULL; dev = dev->next)
+-    if (grub_strcasecmp (dev->uuid, uuid) == 0)
++    if (grub_cryptodisk_uuidcmp(dev->uuid, uuid))
+       return dev;
+   return NULL;
+ }
+diff --git a/grub-core/disk/luks.c b/grub-core/disk/luks.c
+index 4ebe21b..80a7606 100644
+--- a/grub-core/disk/luks.c
++++ b/grub-core/disk/luks.c
+@@ -68,9 +68,7 @@ configure_ciphers (grub_disk_t disk, const char *check_uuid,
+ 		   int check_boot, grub_file_t hdr)
+ {
+   grub_cryptodisk_t newdev;
+-  const char *iptr;
+   struct grub_luks_phdr header;
+-  char *optr;
+   char uuid[sizeof (header.uuid) + 1];
+   char ciphername[sizeof (header.cipherName) + 1];
+   char ciphermode[sizeof (header.cipherMode) + 1];
+@@ -104,22 +102,6 @@ configure_ciphers (grub_disk_t disk, const char *check_uuid,
+       || grub_be_to_cpu16 (header.version) != 1)
+     return NULL;
+ 
+-  optr = uuid;
+-  for (iptr = header.uuid; iptr < &header.uuid[ARRAY_SIZE (header.uuid)];
+-       iptr++)
+-    {
+-      if (*iptr != '-')
+-        *optr++ = *iptr;
+-    }
+-  *optr = 0;
+-
+-  if (check_uuid && grub_strcasecmp (check_uuid, uuid) != 0)
+-    {
+-      grub_dprintf ("luks", "%s != %s\n", uuid, check_uuid);
+-      return NULL;
+-    }
+-
+-
+   /* Make sure that strings are null terminated.  */
+   grub_memcpy (ciphername, header.cipherName, sizeof (header.cipherName));
+   ciphername[sizeof (header.cipherName)] = 0;
+@@ -127,6 +109,14 @@ configure_ciphers (grub_disk_t disk, const char *check_uuid,
+   ciphermode[sizeof (header.cipherMode)] = 0;
+   grub_memcpy (hashspec, header.hashSpec, sizeof (header.hashSpec));
+   hashspec[sizeof (header.hashSpec)] = 0;
++  grub_memcpy (uuid, header.uuid, sizeof (header.uuid));
++  uuid[sizeof (header.uuid)] = 0;
++
++  if ( check_uuid && ! grub_cryptodisk_uuidcmp(check_uuid, uuid))
++    {
++      grub_dprintf ("luks", "%s != %s\n", uuid, check_uuid);
++      return NULL;
++    }
+ 
+   newdev = grub_cryptodisk_create (disk, uuid, ciphername, ciphermode, hashspec);
+ 
+diff --git a/include/grub/cryptodisk.h b/include/grub/cryptodisk.h
+index bb25ab7..01c0269 100644
+--- a/include/grub/cryptodisk.h
++++ b/include/grub/cryptodisk.h
+@@ -168,4 +168,6 @@ grub_cryptodisk_t grub_cryptodisk_get_by_source_disk (grub_disk_t disk);
+ grub_cryptodisk_t grub_cryptodisk_create (grub_disk_t disk, char *uuid,
+ 				   char *ciphername, char *ciphermode, char *digest);
+ 
++int
++grub_cryptodisk_uuidcmp(char *uuid_a, char *uuid_b);
+ #endif
+-- 
+1.9.1
+