From 013de9803239efe8d12020fa0a734ab2904e9bfb Mon Sep 17 00:00:00 2001 From: Vincent Douillet Date: Sat, 11 Jul 2026 22:23:27 +0200 Subject: wip: linux: add landlock sandbox --- vll_sandbox.h | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 vll_sandbox.h (limited to 'vll_sandbox.h') diff --git a/vll_sandbox.h b/vll_sandbox.h new file mode 100644 index 0000000..739cd7c --- /dev/null +++ b/vll_sandbox.h @@ -0,0 +1,64 @@ +/* + * Copyright 2026, Vincent Douillet + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the copyright holder nor the names of its contributors + * may be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef VLL_SANDBOX_H +#define VLL_SANDBOX_H + +#define VLL_READ (0x1 << 2) +#define VLL_WRITE (0x1 << 1) + +/* + * Initialize a new landlock rule set, and returns its ID upon success. + * Returns -1 upon error. + */ +int +vll_create_ruleset(); + +/* + * Add a rule to a previously initialized rule set. + * First parameter is the ID of the rule set. + * Second parameter is a file or directory path. + * Third parameter are the desired permission, currently VLL_READ and VLL_WRITE + * constants are supported. They can be combined with a bitwise OR. + * Returns 0 upon success or -1 upon error. + */ +int +vll_add_rule(int, const char *, const char); + +/* + * Applies a rule set. After calling this, whether it returns as success or + * error, the rule set is destroyed and should not be used anymore. + * First parameter is the rule set ID to apply + * Returns 0 upon success or -1 upon error. + */ +int +vll_restrict_self(int); + +#endif -- cgit v1.2.3