Merge pull request #218 from ebiggers/cli-tests

Add tests for command-line interface

Add tests that directly test the fscrypt command-line tool.

See cli-tests/README.md for information about the test framework.

The following test scripts are included:

* t_change_passphrase
* t_encrypt_custom
* t_encrypt_login
* t_encrypt_raw_key
* t_encrypt
* t_lock
* t_not_enabled
* t_not_supported
* t_passphrase_hashing
* t_setup
* t_status
* t_unlock
* t_v1_policy_fs_keyring
* t_v1_policy

Unfortunately, we can't actually make Travis CI run these tests yet because they need kernel v5.4 or later, and Travis CI doesn't support an Ubuntu version that has that yet. But for now, they can be run manually using make cli-test.

1 files changed, 69 insertions, 0 deletions

diff --git a/cli-tests/t_unlock.sh b/cli-tests/t_unlock.sh
new file mode 100755
index 0000000..3dfba41
--- /dev/null
+++ b/cli-tests/t_unlock.sh
@@ -0,0 +1,69 @@
+#!/bin/bash
+
+# Test unlocking a directory.
+
+cd "$(dirname "$0")"
+. common.sh
+
+dir="$MNT/dir"
+mkdir "$dir"
+
+_print_header "Encrypt directory with --skip-unlock"
+echo hunter2 | fscrypt encrypt --quiet --name=prot --skip-unlock "$dir"
+_print_header "=> Check dir status"
+fscrypt status "$dir"
+_expect_failure "touch '$dir/file'"
+policy=$(fscrypt status "$dir" | awk '/Policy:/{print $2}')
+_print_header "=> Get policy status via mount:"
+fscrypt status "$MNT" | grep "^$policy"
+
+_print_header "Unlock directory"
+echo hunter2 | fscrypt unlock "$dir"
+_print_header "=> Check dir status"
+fscrypt status "$dir"
+echo contents > "$dir/file"
+_print_header "=> Get policy status via mount:"
+fscrypt status "$MNT" | grep "^$policy"
+
+_print_header "Lock by cycling mount"
+umount "$MNT"
+mount "$DEV" "$MNT"
+_print_header "=> Check dir status"
+fscrypt status "$dir"
+_expect_failure "mkdir '$dir/subdir'"
+_print_header "=> Get policy status via mount:"
+fscrypt status "$MNT" | grep "^$policy"
+
+_print_header "Try to unlock with wrong passphrase"
+_expect_failure "echo bad | fscrypt unlock --quiet '$dir'"
+fscrypt status "$dir"
+
+_print_header "Unlock directory"
+echo hunter2 | fscrypt unlock "$dir"
+_print_header "=> Check dir status"
+fscrypt status "$dir"
+cat "$dir/file"
+_print_header "=> Get policy status via mount:"
+fscrypt status "$MNT" | grep "^$policy"
+
+_print_header "Try to unlock with corrupt policy metadata"
+umount "$MNT"
+mount "$DEV" "$MNT"
+echo bad > "$MNT/.fscrypt/policies/$policy"
+_expect_failure "echo hunter2 | fscrypt unlock '$dir'"
+
+_reset_filesystems
+
+_print_header "Try to unlock with missing policy metadata"
+mkdir "$dir"
+echo hunter2 | fscrypt encrypt --quiet --name=prot --skip-unlock "$dir"
+rm "$MNT"/.fscrypt/policies/*
+_expect_failure "echo hunter2 | fscrypt unlock '$dir'"
+
+_reset_filesystems
+
+_print_header "Try to unlock with missing protector metadata"
+mkdir "$dir"
+echo hunter2 | fscrypt encrypt --quiet --name=prot --skip-unlock "$dir"
+rm "$MNT"/.fscrypt/protectors/*
+_expect_failure "echo hunter2 | fscrypt unlock '$dir'"