cli-tests: add t_lock

Test locking a directory.

2 files changed, 133 insertions, 0 deletions

diff --git a/cli-tests/t_lock.out b/cli-tests/t_lock.out
new file mode 100644
index 0000000..c0f9279
--- /dev/null
+++ b/cli-tests/t_lock.out
@@ -0,0 +1,82 @@
+
+# Encrypt directory
+"MNT/dir" is encrypted with fscrypt.
+
+Policy:   desc1
+Options:  padding:32 contents:AES_256_XTS filenames:AES_256_CTS policy_version:2 
+Unlocked: Yes
+
+Protected with 1 protector:
+PROTECTOR         LINKED  DESCRIPTION
+desc2  No      custom protector "prot"
+
+# Lock directory
+"MNT/dir" is now locked.
+
+# => filenames should be in encrypted form
+cat: MNT/dir/file: No such file or directory
+
+# => shouldn't be able to create a subdirectory
+mkdir: cannot create directory 'MNT/dir/subdir': Required key not available
+
+# Unlock directory
+Enter custom passphrase for protector "prot": "MNT/dir" is now unlocked and ready for use.
+"MNT/dir" is encrypted with fscrypt.
+
+Policy:   desc1
+Options:  padding:32 contents:AES_256_XTS filenames:AES_256_CTS policy_version:2 
+Unlocked: Yes
+
+Protected with 1 protector:
+PROTECTOR         LINKED  DESCRIPTION
+desc2  No      custom protector "prot"
+contents
+
+# Try to lock directory while files busy
+[ERROR] fscrypt lock: some files using the key are still open
+
+Directory was incompletely locked because some files are still open. These files
+remain accessible. Try killing any processes using files in the directory, then
+re-running 'fscrypt lock'.
+
+# => status should be incompletely locked
+"MNT/dir" is encrypted with fscrypt.
+
+Policy:   desc1
+Options:  padding:32 contents:AES_256_XTS filenames:AES_256_CTS policy_version:2 
+Unlocked: Partially (incompletely locked)
+
+Protected with 1 protector:
+PROTECTOR         LINKED  DESCRIPTION
+desc2  No      custom protector "prot"
+
+# => open file should still be readable
+contents
+
+# => shouldn't be able to create a new file
+bash: MNT/dir/file2: Required key not available
+
+# Finish locking directory
+"MNT/dir" is now locked.
+"MNT/dir" is encrypted with fscrypt.
+
+Policy:   desc1
+Options:  padding:32 contents:AES_256_XTS filenames:AES_256_CTS policy_version:2 
+Unlocked: No
+
+Protected with 1 protector:
+PROTECTOR         LINKED  DESCRIPTION
+desc2  No      custom protector "prot"
+cat: MNT/dir/file: No such file or directory
+mkdir: cannot create directory 'MNT/dir/subdir': Required key not available
+
+# Try to lock directory while other user has unlocked
+Enter custom passphrase for protector "prot": "MNT/dir" is now unlocked and ready for use.
+[ERROR] fscrypt lock: other users have added the key too
+
+Directory couldn't be fully locked because other user(s) have unlocked it. If
+you want to force the directory to be locked, use 'sudo fscrypt lock --all-users
+DIR'.
+contents
+"MNT/dir" is now locked.
+cat: MNT/dir/file: No such file or directory
diff --git a/cli-tests/t_lock.sh b/cli-tests/t_lock.sh
new file mode 100755
index 0000000..7ac1727
--- /dev/null
+++ b/cli-tests/t_lock.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+
+# Test locking a directory.
+
+cd "$(dirname "$0")"
+. common.sh
+
+dir="$MNT/dir"
+mkdir "$dir"
+
+_print_header "Encrypt directory"
+echo hunter2 | fscrypt encrypt --quiet --name=prot "$dir"
+fscrypt status "$dir"
+echo contents > "$dir/file"
+
+_print_header "Lock directory"
+fscrypt lock "$dir"
+_print_header "=> filenames should be in encrypted form"
+_expect_failure "cat '$dir/file'"
+_print_header "=> shouldn't be able to create a subdirectory"
+_expect_failure "mkdir '$dir/subdir'"
+
+_print_header "Unlock directory"
+echo hunter2 | fscrypt unlock "$dir"
+fscrypt status "$dir"
+cat "$dir/file"
+
+_print_header "Try to lock directory while files busy"
+exec 3<"$dir/file"
+_expect_failure "fscrypt lock '$dir'"
+_print_header "=> status should be incompletely locked"
+fscrypt status "$dir"
+_print_header "=> open file should still be readable"
+cat "$dir/file"
+_print_header "=> shouldn't be able to create a new file"
+_expect_failure "bash -c \"echo contents > '$dir/file2'\""
+
+_print_header "Finish locking directory"
+exec 3<&-
+fscrypt lock "$dir"
+fscrypt status "$dir"
+_expect_failure "cat '$dir/file'"
+_expect_failure "mkdir '$dir/subdir'"
+
+_print_header "Try to lock directory while other user has unlocked"
+chown "$TEST_USER" "$dir"
+_user_do "echo hunter2 | fscrypt unlock '$dir'"
+_expect_failure "fscrypt lock '$dir'"
+cat "$dir/file"
+fscrypt lock --all-users "$dir"
+_expect_failure "cat '$dir/file'"