From 38d6cee5930f8109e8ef72a47a8496c875c49280 Mon Sep 17 00:00:00 2001
From: Dimitry Ishenko <dimitry.ishenko@gmail.com>
Date: Mon, 29 Nov 2021 20:25:56 -0500
Subject: cmd/fscrypt: read key from stdin

Fixes #123
---
 cli-tests/t_encrypt_raw_key.out | 48 +++++++++++++++++++++++++++++++++++++++--
 cli-tests/t_encrypt_raw_key.sh  | 19 ++++++++++++++--
 2 files changed, 63 insertions(+), 4 deletions(-)

(limited to 'cli-tests')

diff --git a/cli-tests/t_encrypt_raw_key.out b/cli-tests/t_encrypt_raw_key.out
index 8765ba2..1f51dc0 100644
--- a/cli-tests/t_encrypt_raw_key.out
+++ b/cli-tests/t_encrypt_raw_key.out
@@ -1,5 +1,5 @@
 
-# Encrypt with raw_key protector
+# Encrypt with raw_key protector from file
 ext4 filesystem "MNT" has 1 protector and 1 policy
 
 PROTECTOR         LINKED  DESCRIPTION
@@ -17,9 +17,53 @@ Protected with 1 protector:
 PROTECTOR         LINKED  DESCRIPTION
 desc1  No      raw key protector "prot"
 
-# Try to encrypt with raw_key protector, using wrong key length
+# Encrypt with raw_key protector from stdin
+ext4 filesystem "MNT" has 1 protector and 1 policy
+
+PROTECTOR         LINKED  DESCRIPTION
+desc6  No      raw key protector "prot"
+
+POLICY                            UNLOCKED  PROTECTORS
+desc7  Yes       desc6
+"MNT/dir" is encrypted with fscrypt.
+
+Policy:   desc7
+Options:  padding:32 contents:AES_256_XTS filenames:AES_256_CTS policy_version:2 
+Unlocked: Yes
+
+Protected with 1 protector:
+PROTECTOR         LINKED  DESCRIPTION
+desc6  No      raw key protector "prot"
+
+# Try to encrypt with raw_key protector from file, using wrong key length
 [ERROR] fscrypt encrypt: TMPDIR/raw_key: key file must be 32 bytes
 ext4 filesystem "MNT" has 0 protectors and 0 policies
 
 [ERROR] fscrypt status: file or directory "MNT/dir" is not
                         encrypted
+
+# Try to encrypt with raw_key protector from stdin, using wrong key length
+[ERROR] fscrypt encrypt: unexpected EOF
+ext4 filesystem "MNT" has 0 protectors and 0 policies
+
+[ERROR] fscrypt status: file or directory "MNT/dir" is not
+                        encrypted
+
+# Encrypt with raw_key protector from file, unlock from stdin
+"MNT/dir" is now locked.
+ext4 filesystem "MNT" has 1 protector and 1 policy
+
+PROTECTOR         LINKED  DESCRIPTION
+desc11  No      raw key protector "prot"
+
+POLICY                            UNLOCKED  PROTECTORS
+desc12  Yes       desc11
+"MNT/dir" is encrypted with fscrypt.
+
+Policy:   desc12
+Options:  padding:32 contents:AES_256_XTS filenames:AES_256_CTS policy_version:2 
+Unlocked: Yes
+
+Protected with 1 protector:
+PROTECTOR         LINKED  DESCRIPTION
+desc11  No      raw key protector "prot"
diff --git a/cli-tests/t_encrypt_raw_key.sh b/cli-tests/t_encrypt_raw_key.sh
index 260b094..e5c6d20 100755
--- a/cli-tests/t_encrypt_raw_key.sh
+++ b/cli-tests/t_encrypt_raw_key.sh
@@ -27,12 +27,27 @@ show_status()
 	fi
 }
 
-begin "Encrypt with raw_key protector"
+begin "Encrypt with raw_key protector from file"
 head -c 32 /dev/urandom > "$raw_key_file"
 fscrypt encrypt --quiet --name=prot --source=raw_key --key="$raw_key_file" "$dir"
 show_status true
 
-begin "Try to encrypt with raw_key protector, using wrong key length"
+begin "Encrypt with raw_key protector from stdin"
+head -c 32 /dev/urandom | fscrypt encrypt --quiet --name=prot --source=raw_key "$dir"
+show_status true
+
+begin "Try to encrypt with raw_key protector from file, using wrong key length"
 head -c 16 /dev/urandom > "$raw_key_file"
 _expect_failure "fscrypt encrypt --quiet --name=prot --source=raw_key --key='$raw_key_file' '$dir'"
 show_status false
+
+begin "Try to encrypt with raw_key protector from stdin, using wrong key length"
+_expect_failure "head -c 16 /dev/urandom | fscrypt encrypt --quiet --name=prot --source=raw_key '$dir'"
+show_status false
+
+begin "Encrypt with raw_key protector from file, unlock from stdin"
+head -c 32 /dev/urandom > "$raw_key_file"
+fscrypt encrypt --quiet --name=prot --source=raw_key --key="$raw_key_file" "$dir"
+fscrypt lock "$dir"
+fscrypt unlock --quiet "$dir" < "$raw_key_file"
+show_status true
-- 
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