diff options
Diffstat (limited to 'pkgs/by-name/bc/bcachefs-tools/fix-encrypted-boot.patch')
-rw-r--r-- | pkgs/by-name/bc/bcachefs-tools/fix-encrypted-boot.patch | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/pkgs/by-name/bc/bcachefs-tools/fix-encrypted-boot.patch b/pkgs/by-name/bc/bcachefs-tools/fix-encrypted-boot.patch new file mode 100644 index 0000000000000..5e14d09547f43 --- /dev/null +++ b/pkgs/by-name/bc/bcachefs-tools/fix-encrypted-boot.patch @@ -0,0 +1,92 @@ +From f76ad4da12e6a65550d564bb626a1429ae75433a Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Thomas=20M=C3=BChlbacher?= <tmuehlbacher@posteo.net> +Date: Thu, 9 May 2024 23:52:47 +0200 +Subject: [PATCH 1/2] `check_for_key` before `ask_for_passphrase` +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +let's always first check if there is already a key in the keyring +available before we try to get the key from some more involved means. + +Fixes: #261 +Signed-off-by: Thomas Mühlbacher <tmuehlbacher@posteo.net> +--- + src/commands/mount.rs | 13 +++++++++++-- + src/key.rs | 4 +++- + 2 files changed, 14 insertions(+), 3 deletions(-) + +diff --git a/src/commands/mount.rs b/src/commands/mount.rs +index 9414c77f..34a741cb 100644 +--- a/src/commands/mount.rs ++++ b/src/commands/mount.rs +@@ -344,8 +344,17 @@ fn cmd_mount_inner(opt: Cli) -> anyhow::Result<()> { + if block_devices_to_mount.len() == 0 { + Err(anyhow::anyhow!("No device found from specified parameters"))?; + } +- // Check if the filesystem's master key is encrypted +- if unsafe { bcachefs::bch2_sb_is_encrypted_and_locked(block_devices_to_mount[0].sb) } { ++ ++ let key_name = CString::new(format!( ++ "bcachefs:{}", ++ block_devices_to_mount[0].sb().uuid() ++ )) ++ .unwrap(); ++ ++ // Check if the filesystem's master key is encrypted and we don't have a key ++ if unsafe { bcachefs::bch2_sb_is_encrypted_and_locked(block_devices_to_mount[0].sb) } ++ && !key::check_for_key(&key_name)? ++ { + // First by password_file, if available + let fallback_to_unlock_policy = if let Some(passphrase_file) = &opt.passphrase_file { + match key::read_from_passphrase_file(&block_devices_to_mount[0], passphrase_file.as_path()) { +diff --git a/src/key.rs b/src/key.rs +index d0018805..568b3cdb 100644 +--- a/src/key.rs ++++ b/src/key.rs +@@ -58,7 +58,7 @@ impl fmt::Display for UnlockPolicy { + } + } + +-fn check_for_key(key_name: &std::ffi::CStr) -> anyhow::Result<bool> { ++pub fn check_for_key(key_name: &std::ffi::CStr) -> anyhow::Result<bool> { + use bch_bindgen::keyutils::{self, keyctl_search}; + let key_name = key_name.to_bytes_with_nul().as_ptr() as *const _; + let key_type = c_str!("user"); +@@ -86,10 +86,12 @@ fn wait_for_unlock(uuid: &uuid::Uuid) -> anyhow::Result<()> { + } + } + ++// blocks indefinitely if no input is available on stdin + fn ask_for_passphrase(sb: &bch_sb_handle) -> anyhow::Result<()> { + let passphrase = if stdin().is_terminal() { + rpassword::prompt_password("Enter passphrase: ")? + } else { ++ info!("Trying to read passphrase from stdin..."); + let mut line = String::new(); + stdin().read_line(&mut line)?; + line + +From 734ccc58f42c3cccb0960bdd84808839e2b62ca9 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Thomas=20M=C3=BChlbacher?= <tmuehlbacher@posteo.net> +Date: Sun, 12 May 2024 19:39:19 +0200 +Subject: [PATCH 2/2] fix unfortunate typo + +causes mounting encrypted devices to become stuck in a busy loop. +--- + include/crypto/skcipher.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/include/crypto/skcipher.h b/include/crypto/skcipher.h +index 70905a5a..833729dc 100644 +--- a/include/crypto/skcipher.h ++++ b/include/crypto/skcipher.h +@@ -112,7 +112,7 @@ static inline void skcipher_request_set_sync_tfm(struct skcipher_request *req, + skcipher_request_set_tfm(req, &tfm->base); + } + +-#define skcipher_request_set_callback(...) do {} while (9) ++#define skcipher_request_set_callback(...) do {} while (0) + + static inline void skcipher_request_set_crypt( + struct skcipher_request *req, |