128 lines
4.4 KiB
Diff
128 lines
4.4 KiB
Diff
diff --git a/0005-Cryptomount-support-for-hyphens-in-UUID.patch b/0005-Cryptomount-support-for-hyphens-in-UUID.patch
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new file mode 100644
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index 00000000000..f6ed18a66d7
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--- /dev/null
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+++ b/0005-Cryptomount-support-for-hyphens-in-UUID.patch
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@@ -0,0 +1,122 @@
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+From 0939fef502c4b97d1facc7972a54d5dfeba4ab71 Mon Sep 17 00:00:00 2001
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+From: John Lane <john@lane.uk.net>
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+Date: Fri, 26 Jun 2015 22:48:03 +0100
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+Subject: [PATCH 5/7] Cryptomount support for hyphens in UUID
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+
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+---
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+ grub-core/disk/cryptodisk.c | 20 +++++++++++++++++---
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+ grub-core/disk/luks.c | 26 ++++++++------------------
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+ include/grub/cryptodisk.h | 2 ++
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+ 3 files changed, 27 insertions(+), 21 deletions(-)
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+
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+diff --git a/grub-core/disk/cryptodisk.c b/grub-core/disk/cryptodisk.c
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+index 7f656f75c..c442d3a34 100644
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+--- a/grub-core/disk/cryptodisk.c
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++++ b/grub-core/disk/cryptodisk.c
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+@@ -114,6 +114,20 @@ gf_mul_be (grub_uint8_t *o, const grub_uint8_t *a, const grub_uint8_t *b)
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+ }
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+ }
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+
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++int
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++grub_cryptodisk_uuidcmp(char *uuid_a, char *uuid_b)
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++{
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++ while ((*uuid_a != '\0') && (*uuid_b != '\0'))
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++ {
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++ while (*uuid_a == '-') uuid_a++;
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++ while (*uuid_b == '-') uuid_b++;
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++ if (grub_toupper(*uuid_a) != grub_toupper(*uuid_b)) break;
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++ uuid_a++;
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++ uuid_b++;
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++ }
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++ return (*uuid_a == '\0') && (*uuid_b == '\0');
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++}
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++
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+ static gcry_err_code_t
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+ grub_crypto_pcbc_decrypt (grub_crypto_cipher_handle_t cipher,
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+ void *out, void *in, grub_size_t size,
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+@@ -509,8 +523,8 @@ grub_cryptodisk_open (const char *name, grub_disk_t disk)
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+ if (grub_memcmp (name, "cryptouuid/", sizeof ("cryptouuid/") - 1) == 0)
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+ {
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+ for (dev = cryptodisk_list; dev != NULL; dev = dev->next)
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+- if (grub_strcasecmp (name + sizeof ("cryptouuid/") - 1, dev->uuid) == 0)
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+- break;
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++ if (grub_cryptodisk_uuidcmp(name + sizeof ("cryptouuid/") - 1, dev->uuid))
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++ break;
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+ }
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+ else
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+ {
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+@@ -742,7 +756,7 @@ grub_cryptodisk_get_by_uuid (const char *uuid)
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+ {
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+ grub_cryptodisk_t dev;
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+ for (dev = cryptodisk_list; dev != NULL; dev = dev->next)
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+- if (grub_strcasecmp (dev->uuid, uuid) == 0)
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++ if (grub_cryptodisk_uuidcmp(dev->uuid, uuid))
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+ return dev;
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+ return NULL;
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+ }
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+diff --git a/grub-core/disk/luks.c b/grub-core/disk/luks.c
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+index 4ebe21b4e..80a760670 100644
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+--- a/grub-core/disk/luks.c
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++++ b/grub-core/disk/luks.c
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+@@ -68,9 +68,7 @@ configure_ciphers (grub_disk_t disk, const char *check_uuid,
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+ int check_boot, grub_file_t hdr)
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+ {
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+ grub_cryptodisk_t newdev;
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+- const char *iptr;
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+ struct grub_luks_phdr header;
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+- char *optr;
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+ char uuid[sizeof (header.uuid) + 1];
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+ char ciphername[sizeof (header.cipherName) + 1];
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+ char ciphermode[sizeof (header.cipherMode) + 1];
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+@@ -104,22 +102,6 @@ configure_ciphers (grub_disk_t disk, const char *check_uuid,
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+ || grub_be_to_cpu16 (header.version) != 1)
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+ return NULL;
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+
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+- optr = uuid;
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+- for (iptr = header.uuid; iptr < &header.uuid[ARRAY_SIZE (header.uuid)];
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+- iptr++)
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+- {
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+- if (*iptr != '-')
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+- *optr++ = *iptr;
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+- }
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+- *optr = 0;
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+-
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+- if (check_uuid && grub_strcasecmp (check_uuid, uuid) != 0)
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+- {
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+- grub_dprintf ("luks", "%s != %s\n", uuid, check_uuid);
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+- return NULL;
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+- }
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+-
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+-
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+ /* Make sure that strings are null terminated. */
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+ grub_memcpy (ciphername, header.cipherName, sizeof (header.cipherName));
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+ ciphername[sizeof (header.cipherName)] = 0;
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+@@ -127,6 +109,14 @@ configure_ciphers (grub_disk_t disk, const char *check_uuid,
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+ ciphermode[sizeof (header.cipherMode)] = 0;
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+ grub_memcpy (hashspec, header.hashSpec, sizeof (header.hashSpec));
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+ hashspec[sizeof (header.hashSpec)] = 0;
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++ grub_memcpy (uuid, header.uuid, sizeof (header.uuid));
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++ uuid[sizeof (header.uuid)] = 0;
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++
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++ if ( check_uuid && ! grub_cryptodisk_uuidcmp(check_uuid, uuid))
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++ {
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++ grub_dprintf ("luks", "%s != %s\n", uuid, check_uuid);
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++ return NULL;
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++ }
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+
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+ newdev = grub_cryptodisk_create (disk, uuid, ciphername, ciphermode, hashspec);
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+
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+diff --git a/include/grub/cryptodisk.h b/include/grub/cryptodisk.h
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+index bb25ab730..01c02696e 100644
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+--- a/include/grub/cryptodisk.h
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++++ b/include/grub/cryptodisk.h
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+@@ -168,4 +168,6 @@ grub_cryptodisk_t grub_cryptodisk_get_by_source_disk (grub_disk_t disk);
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+ grub_cryptodisk_t grub_cryptodisk_create (grub_disk_t disk, char *uuid,
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+ char *ciphername, char *ciphermode, char *digest);
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+
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++int
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++grub_cryptodisk_uuidcmp(char *uuid_a, char *uuid_b);
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+ #endif
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+--
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+2.16.2
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+
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