/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Linux Security Modules (LSM) - User space API * * Copyright (C) 2022 Casey Schaufler <[email protected]> * Copyright (C) 2022 Intel Corporation */ #ifndef _UAPI_LINUX_LSM_H #define _UAPI_LINUX_LSM_H #include <linux/stddef.h> #include <linux/types.h> #include <linux/unistd.h> /** * struct lsm_ctx - LSM context information * @id: the LSM id number, see LSM_ID_XXX * @flags: LSM specific flags * @len: length of the lsm_ctx struct, @ctx and any other data or padding * @ctx_len: the size of @ctx * @ctx: the LSM context value * * The @len field MUST be equal to the size of the lsm_ctx struct * plus any additional padding and/or data placed after @ctx. * * In all cases @ctx_len MUST be equal to the length of @ctx. * If @ctx is a string value it should be nul terminated with * @ctx_len equal to `strlen(@ctx) + 1`. Binary values are * supported. * * The @flags and @ctx fields SHOULD only be interpreted by the * LSM specified by @id; they MUST be set to zero/0 when not used. */ struct lsm_ctx { … }; /* * ID tokens to identify Linux Security Modules (LSMs) * * These token values are used to uniquely identify specific LSMs * in the kernel as well as in the kernel's LSM userspace API. * * A value of zero/0 is considered undefined and should not be used * outside the kernel. Values 1-99 are reserved for potential * future use. */ #define LSM_ID_UNDEF … #define LSM_ID_CAPABILITY … #define LSM_ID_SELINUX … #define LSM_ID_SMACK … #define LSM_ID_TOMOYO … #define LSM_ID_APPARMOR … #define LSM_ID_YAMA … #define LSM_ID_LOADPIN … #define LSM_ID_SAFESETID … #define LSM_ID_LOCKDOWN … #define LSM_ID_BPF … #define LSM_ID_LANDLOCK … #define LSM_ID_IMA … #define LSM_ID_EVM … /* * LSM_ATTR_XXX definitions identify different LSM attributes * which are used in the kernel's LSM userspace API. Support * for these attributes vary across the different LSMs. None * are required. * * A value of zero/0 is considered undefined and should not be used * outside the kernel. Values 1-99 are reserved for potential * future use. */ #define LSM_ATTR_UNDEF … #define LSM_ATTR_CURRENT … #define LSM_ATTR_EXEC … #define LSM_ATTR_FSCREATE … #define LSM_ATTR_KEYCREATE … #define LSM_ATTR_PREV … #define LSM_ATTR_SOCKCREATE … /* * LSM_FLAG_XXX definitions identify special handling instructions * for the API. */ #define LSM_FLAG_SINGLE … #endif /* _UAPI_LINUX_LSM_H */
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