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-rw-r--r--gnu/packages/patches/pam-mount-luks2-support.patch51
1 files changed, 51 insertions, 0 deletions
diff --git a/gnu/packages/patches/pam-mount-luks2-support.patch b/gnu/packages/patches/pam-mount-luks2-support.patch
new file mode 100644
index 0000000000..b59daf5ce1
--- /dev/null
+++ b/gnu/packages/patches/pam-mount-luks2-support.patch
@@ -0,0 +1,51 @@
+From d4434c05e7c0cf05d87089404cfa2deedc60811a Mon Sep 17 00:00:00 2001
+From: Ingo Franzki <ifranzki@linux.ibm.com>
+Date: Mon, 29 Oct 2018 16:47:40 +0100
+Subject: [PATCH] crypto: Add support for LUKS2
+
+Cryptsetup version 2.0 added support for LUKS2.
+This patch adds support for mounting LUKS2 volumes with
+pam_mount.
+
+Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
+---
+ src/crypto-dmc.c | 10 ++++++++--
+ 1 file changed, 8 insertions(+), 2 deletions(-)
+
+diff --git a/src/crypto-dmc.c b/src/crypto-dmc.c
+index d0ab6ca..abd0358 100644
+--- a/src/crypto-dmc.c
++++ b/src/crypto-dmc.c
+@@ -21,6 +21,12 @@
+ #include "libcryptmount.h"
+ #include "pam_mount.h"
+
++#ifndef CRYPT_LUKS
++ #define CRYPT_LUKS NULL /* Passing NULL to crypt_load will
++ default to LUKS(1) on older
++ libcryptsetup versions. */
++#endif
++
+ /**
+ * dmc_is_luks - check if @path points to a LUKS volume (cf. normal dm-crypt)
+ * @path: path to the crypto container
+@@ -48,7 +54,7 @@ EXPORT_SYMBOL int ehd_is_luks(const char *path, bool blkdev)
+
+ ret = crypt_init(&cd, device);
+ if (ret == 0) {
+- ret = crypt_load(cd, CRYPT_LUKS1, NULL);
++ ret = crypt_load(cd, CRYPT_LUKS, NULL);
+ if (ret == -EINVAL)
+ ret = false;
+ else if (ret == 0)
+@@ -106,7 +112,7 @@ static bool dmc_run(const struct ehd_mount_request *req,
+ #endif
+ }
+
+- ret = crypt_load(cd, CRYPT_LUKS1, NULL);
++ ret = crypt_load(cd, CRYPT_LUKS, NULL);
+ if (ret == 0) {
+ ret = crypt_activate_by_passphrase(cd, mt->crypto_name,
+ CRYPT_ANY_SLOT, req->key_data, req->key_size, flags);
+--
+2.21.0