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