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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id l17sm12648575pgi.71.2020.03.23.12.33.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Mar 2020 12:33:02 -0700 (PDT) Date: Mon, 23 Mar 2020 12:33:01 -0700 From: Kees Cook To: KP Singh Cc: linux-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-security-module@vger.kernel.org, Brendan Jackman , Florent Revest , Alexei Starovoitov , Daniel Borkmann , James Morris , Paul Turner , Jann Horn , Florent Revest , Brendan Jackman , Greg Kroah-Hartman Subject: Re: [PATCH bpf-next v5 2/7] security: Refactor declaration of LSM hooks Message-ID: <202003231232.5895269B@keescook> References: <20200323164415.12943-1-kpsingh@chromium.org> <20200323164415.12943-3-kpsingh@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200323164415.12943-3-kpsingh@chromium.org> Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: On Mon, Mar 23, 2020 at 05:44:10PM +0100, KP Singh wrote: > From: KP Singh > > The information about the different types of LSM hooks is scattered > in two locations i.e. union security_list_options and > struct security_hook_heads. Rather than duplicating this information > even further for BPF_PROG_TYPE_LSM, define all the hooks with the > LSM_HOOK macro in lsm_hook_names.h which is then used to generate all > the data structures required by the LSM framework. > > Signed-off-by: KP Singh The duplicate code removal provided here is alone worth landing this patch. :) Reviewed-by: Kees Cook -Kees > Reviewed-by: Brendan Jackman > Reviewed-by: Florent Revest > --- > include/linux/lsm_hook_names.h | 354 +++++++++++++++++++ > include/linux/lsm_hooks.h | 622 +-------------------------------- > 2 files changed, 360 insertions(+), 616 deletions(-) > create mode 100644 include/linux/lsm_hook_names.h > > diff --git a/include/linux/lsm_hook_names.h b/include/linux/lsm_hook_names.h > new file mode 100644 > index 000000000000..412e4ca24c9b > --- /dev/null > +++ b/include/linux/lsm_hook_names.h > @@ -0,0 +1,354 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > + > +/* > + * Linux Security Module Hook declarations. > + * > + * Copyright (C) 2001 WireX Communications, Inc > + * Copyright (C) 2001 Greg Kroah-Hartman > + * Copyright (C) 2001 Networks Associates Technology, Inc > + * Copyright (C) 2001 James Morris > + * Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group) > + * Copyright (C) 2015 Intel Corporation. > + * Copyright (C) 2015 Casey Schaufler > + * Copyright (C) 2016 Mellanox Techonologies > + * Copyright (C) 2020 Google LLC. > + */ > + > +/* The macro LSM_HOOK is used to define the data structures required by the > + * the LSM framework using the pattern: > + * > + * struct security_hook_heads { > + * #define LSM_HOOK(RET, NAME, ...) struct hlist_head NAME; > + * #include > + * #undef LSM_HOOK > + * }; > + */ > +LSM_HOOK(int, binder_set_context_mgr, struct task_struct *mgr) > +LSM_HOOK(int, binder_transaction, struct task_struct *from, > + struct task_struct *to) > +LSM_HOOK(int, binder_transfer_binder, struct task_struct *from, > + struct task_struct *to) > +LSM_HOOK(int, binder_transfer_file, struct task_struct *from, > + struct task_struct *to, struct file *file) > +LSM_HOOK(int, ptrace_access_check, struct task_struct *child, unsigned int mode) > +LSM_HOOK(int, ptrace_traceme, struct task_struct *parent) > +LSM_HOOK(int, capget, struct task_struct *target, kernel_cap_t *effective, > + kernel_cap_t *inheritable, kernel_cap_t *permitted) > +LSM_HOOK(int, capset, struct cred *new, const struct cred *old, > + const kernel_cap_t *effective, const kernel_cap_t *inheritable, > + const kernel_cap_t *permitted) > +LSM_HOOK(int, capable, const struct cred *cred, struct user_namespace *ns, > + int cap, unsigned int opts) > +LSM_HOOK(int, quotactl, int cmds, int type, int id, struct super_block *sb) > +LSM_HOOK(int, quota_on, struct dentry *dentry) > +LSM_HOOK(int, syslog, int type) > +LSM_HOOK(int, settime, const struct timespec64 *ts, const struct timezone *tz) > +LSM_HOOK(int, vm_enough_memory, struct mm_struct *mm, long pages) > +LSM_HOOK(int, bprm_set_creds, struct linux_binprm *bprm) > +LSM_HOOK(int, bprm_check_security, struct linux_binprm *bprm) > +LSM_HOOK(void, bprm_committing_creds, struct linux_binprm *bprm) > +LSM_HOOK(void, bprm_committed_creds, struct linux_binprm *bprm) > +LSM_HOOK(int, fs_context_dup, struct fs_context *fc, struct fs_context *src_sc) > +LSM_HOOK(int, fs_context_parse_param, struct fs_context *fc, > + struct fs_parameter *param) > +LSM_HOOK(int, sb_alloc_security, struct super_block *sb) > +LSM_HOOK(void, sb_free_security, struct super_block *sb) > +LSM_HOOK(void, sb_free_mnt_opts, void *mnt_opts) > +LSM_HOOK(int, sb_eat_lsm_opts, char *orig, void **mnt_opts) > +LSM_HOOK(int, sb_remount, struct super_block *sb, void *mnt_opts) > +LSM_HOOK(int, sb_kern_mount, struct super_block *sb) > +LSM_HOOK(int, sb_show_options, struct seq_file *m, struct super_block *sb) > +LSM_HOOK(int, sb_statfs, struct dentry *dentry) > +LSM_HOOK(int, sb_mount, const char *dev_name, const struct path *path, > + const char *type, unsigned long flags, void *data) > +LSM_HOOK(int, sb_umount, struct vfsmount *mnt, int flags) > +LSM_HOOK(int, sb_pivotroot, const struct path *old_path, > + const struct path *new_path) > +LSM_HOOK(int, sb_set_mnt_opts, struct super_block *sb, void *mnt_opts, > + unsigned long kern_flags, unsigned long *set_kern_flags) > +LSM_HOOK(int, sb_clone_mnt_opts, const struct super_block *oldsb, > + struct super_block *newsb, unsigned long kern_flags, > + unsigned long *set_kern_flags) > +LSM_HOOK(int, sb_add_mnt_opt, const char *option, const char *val, int len, > + void **mnt_opts) > +LSM_HOOK(int, move_mount, const struct path *from_path, > + const struct path *to_path) > +LSM_HOOK(int, dentry_init_security, struct dentry *dentry, int mode, > + const struct qstr *name, void **ctx, u32 *ctxlen) > +LSM_HOOK(int, dentry_create_files_as, struct dentry *dentry, int mode, > + struct qstr *name, const struct cred *old, struct cred *new) > +#ifdef CONFIG_SECURITY_PATH > +LSM_HOOK(int, path_unlink, const struct path *dir, struct dentry *dentry) > +LSM_HOOK(int, path_mkdir, const struct path *dir, struct dentry *dentry, > + umode_t mode) > +LSM_HOOK(int, path_rmdir, const struct path *dir, struct dentry *dentry) > +LSM_HOOK(int, path_mknod, const struct path *dir, struct dentry *dentry, > + umode_t mode, unsigned int dev) > +LSM_HOOK(int, path_truncate, const struct path *path) > +LSM_HOOK(int, path_symlink, const struct path *dir, struct dentry *dentry, > + const char *old_name) > +LSM_HOOK(int, path_link, struct dentry *old_dentry, const struct path *new_dir, > + struct dentry *new_dentry) > +LSM_HOOK(int, path_rename, const struct path *old_dir, > + struct dentry *old_dentry, const struct path *new_dir, > + struct dentry *new_dentry) > +LSM_HOOK(int, path_chmod, const struct path *path, umode_t mode) > +LSM_HOOK(int, path_chown, const struct path *path, kuid_t uid, kgid_t gid) > +LSM_HOOK(int, path_chroot, const struct path *path) > +#endif > + > +/* Needed for inode based security check */ > +LSM_HOOK(int, path_notify, const struct path *path, u64 mask, > + unsigned int obj_type) > +LSM_HOOK(int, inode_alloc_security, struct inode *inode) > +LSM_HOOK(void, inode_free_security, struct inode *inode) > +LSM_HOOK(int, inode_init_security, struct inode *inode, struct inode *dir, > + const struct qstr *qstr, const char **name, void **value, size_t *len) > +LSM_HOOK(int, inode_create, struct inode *dir, struct dentry *dentry, > + umode_t mode) > +LSM_HOOK(int, inode_link, struct dentry *old_dentry, struct inode *dir, > + struct dentry *new_dentry) > +LSM_HOOK(int, inode_unlink, struct inode *dir, struct dentry *dentry) > +LSM_HOOK(int, inode_symlink, struct inode *dir, struct dentry *dentry, > + const char *old_name) > +LSM_HOOK(int, inode_mkdir, struct inode *dir, struct dentry *dentry, > + umode_t mode) > +LSM_HOOK(int, inode_rmdir, struct inode *dir, struct dentry *dentry) > +LSM_HOOK(int, inode_mknod, struct inode *dir, struct dentry *dentry, > + umode_t mode, dev_t dev) > +LSM_HOOK(int, inode_rename, struct inode *old_dir, struct dentry *old_dentry, > + struct inode *new_dir, struct dentry *new_dentry) > +LSM_HOOK(int, inode_readlink, struct dentry *dentry) > +LSM_HOOK(int, inode_follow_link, struct dentry *dentry, struct inode *inode, > + bool rcu) > +LSM_HOOK(int, inode_permission, struct inode *inode, int mask) > +LSM_HOOK(int, inode_setattr, struct dentry *dentry, struct iattr *attr) > +LSM_HOOK(int, inode_getattr, const struct path *path) > +LSM_HOOK(int, inode_setxattr, struct dentry *dentry, const char *name, > + const void *value, size_t size, int flags) > +LSM_HOOK(void, inode_post_setxattr, struct dentry *dentry, const char *name, > + const void *value, size_t size, int flags) > +LSM_HOOK(int, inode_getxattr, struct dentry *dentry, const char *name) > +LSM_HOOK(int, inode_listxattr, struct dentry *dentry) > +LSM_HOOK(int, inode_removexattr, struct dentry *dentry, const char *name) > +LSM_HOOK(int, inode_need_killpriv, struct dentry *dentry) > +LSM_HOOK(int, inode_killpriv, struct dentry *dentry) > +LSM_HOOK(int, inode_getsecurity, struct inode *inode, const char *name, > + void **buffer, bool alloc) > +LSM_HOOK(int, inode_setsecurity, struct inode *inode, const char *name, > + const void *value, size_t size, int flags) > +LSM_HOOK(int, inode_listsecurity, struct inode *inode, char *buffer, > + size_t buffer_size) > +LSM_HOOK(void, inode_getsecid, struct inode *inode, u32 *secid) > +LSM_HOOK(int, inode_copy_up, struct dentry *src, struct cred **new) > +LSM_HOOK(int, inode_copy_up_xattr, const char *name) > +LSM_HOOK(int, kernfs_init_security, struct kernfs_node *kn_dir, > + struct kernfs_node *kn) > +LSM_HOOK(int, file_permission, struct file *file, int mask) > +LSM_HOOK(int, file_alloc_security, struct file *file) > +LSM_HOOK(void, file_free_security, struct file *file) > +LSM_HOOK(int, file_ioctl, struct file *file, unsigned int cmd, > + unsigned long arg) > +LSM_HOOK(int, mmap_addr, unsigned long addr) > +LSM_HOOK(int, mmap_file, struct file *file, unsigned long reqprot, > + unsigned long prot, unsigned long flags) > +LSM_HOOK(int, file_mprotect, struct vm_area_struct *vma, unsigned long reqprot, > + unsigned long prot) > +LSM_HOOK(int, file_lock, struct file *file, unsigned int cmd) > +LSM_HOOK(int, file_fcntl, struct file *file, unsigned int cmd, > + unsigned long arg) > +LSM_HOOK(void, file_set_fowner, struct file *file) > +LSM_HOOK(int, file_send_sigiotask, struct task_struct *tsk, > + struct fown_struct *fown, int sig) > +LSM_HOOK(int, file_receive, struct file *file) > +LSM_HOOK(int, file_open, struct file *file) > +LSM_HOOK(int, task_alloc, struct task_struct *task, unsigned long clone_flags) > +LSM_HOOK(void, task_free, struct task_struct *task) > +LSM_HOOK(int, cred_alloc_blank, struct cred *cred, gfp_t gfp) > +LSM_HOOK(void, cred_free, struct cred *cred) > +LSM_HOOK(int, cred_prepare, struct cred *new, const struct cred *old, gfp_t gfp) > +LSM_HOOK(void, cred_transfer, struct cred *new, const struct cred *old) > +LSM_HOOK(void, cred_getsecid, const struct cred *c, u32 *secid) > +LSM_HOOK(int, kernel_act_as, struct cred *new, u32 secid) > +LSM_HOOK(int, kernel_create_files_as, struct cred *new, struct inode *inode) > +LSM_HOOK(int, kernel_module_request, char *kmod_name) > +LSM_HOOK(int, kernel_load_data, enum kernel_load_data_id id) > +LSM_HOOK(int, kernel_read_file, struct file *file, enum kernel_read_file_id id) > +LSM_HOOK(int, kernel_post_read_file, struct file *file, char *buf, loff_t size, > + enum kernel_read_file_id id) > +LSM_HOOK(int, task_fix_setuid, struct cred *new, const struct cred *old, > + int flags) > +LSM_HOOK(int, task_setpgid, struct task_struct *p, pid_t pgid) > +LSM_HOOK(int, task_getpgid, struct task_struct *p) > +LSM_HOOK(int, task_getsid, struct task_struct *p) > +LSM_HOOK(void, task_getsecid, struct task_struct *p, u32 *secid) > +LSM_HOOK(int, task_setnice, struct task_struct *p, int nice) > +LSM_HOOK(int, task_setioprio, struct task_struct *p, int ioprio) > +LSM_HOOK(int, task_getioprio, struct task_struct *p) > +LSM_HOOK(int, task_prlimit, const struct cred *cred, const struct cred *tcred, > + unsigned int flags) > +LSM_HOOK(int, task_setrlimit, struct task_struct *p, unsigned int resource, > + struct rlimit *new_rlim) > +LSM_HOOK(int, task_setscheduler, struct task_struct *p) > +LSM_HOOK(int, task_getscheduler, struct task_struct *p) > +LSM_HOOK(int, task_movememory, struct task_struct *p) > +LSM_HOOK(int, task_kill, struct task_struct *p, struct kernel_siginfo *info, > + int sig, const struct cred *cred) > +LSM_HOOK(int, task_prctl, int option, unsigned long arg2, unsigned long arg3, > + unsigned long arg4, unsigned long arg5) > +LSM_HOOK(void, task_to_inode, struct task_struct *p, struct inode *inode) > +LSM_HOOK(int, ipc_permission, struct kern_ipc_perm *ipcp, short flag) > +LSM_HOOK(void, ipc_getsecid, struct kern_ipc_perm *ipcp, u32 *secid) > +LSM_HOOK(int, msg_msg_alloc_security, struct msg_msg *msg) > +LSM_HOOK(void, msg_msg_free_security, struct msg_msg *msg) > +LSM_HOOK(int, msg_queue_alloc_security, struct kern_ipc_perm *perm) > +LSM_HOOK(void, msg_queue_free_security, struct kern_ipc_perm *perm) > +LSM_HOOK(int, msg_queue_associate, struct kern_ipc_perm *perm, int msqflg) > +LSM_HOOK(int, msg_queue_msgctl, struct kern_ipc_perm *perm, int cmd) > +LSM_HOOK(int, msg_queue_msgsnd, struct kern_ipc_perm *perm, struct msg_msg *msg, > + int msqflg) > +LSM_HOOK(int, msg_queue_msgrcv, struct kern_ipc_perm *perm, struct msg_msg *msg, > + struct task_struct *target, long type, int mode) > +LSM_HOOK(int, shm_alloc_security, struct kern_ipc_perm *perm) > +LSM_HOOK(void, shm_free_security, struct kern_ipc_perm *perm) > +LSM_HOOK(int, shm_associate, struct kern_ipc_perm *perm, int shmflg) > +LSM_HOOK(int, shm_shmctl, struct kern_ipc_perm *perm, int cmd) > +LSM_HOOK(int, shm_shmat, struct kern_ipc_perm *perm, char __user *shmaddr, > + int shmflg) > +LSM_HOOK(int, sem_alloc_security, struct kern_ipc_perm *perm) > +LSM_HOOK(void, sem_free_security, struct kern_ipc_perm *perm) > +LSM_HOOK(int, sem_associate, struct kern_ipc_perm *perm, int semflg) > +LSM_HOOK(int, sem_semctl, struct kern_ipc_perm *perm, int cmd) > +LSM_HOOK(int, sem_semop, struct kern_ipc_perm *perm, struct sembuf *sops, > + unsigned nsops, int alter) > +LSM_HOOK(int, netlink_send, struct sock *sk, struct sk_buff *skb) > +LSM_HOOK(void, d_instantiate, struct dentry *dentry, struct inode *inode) > +LSM_HOOK(int, getprocattr, struct task_struct *p, char *name, char **value) > +LSM_HOOK(int, setprocattr, const char *name, void *value, size_t size) > +LSM_HOOK(int, ismaclabel, const char *name) > +LSM_HOOK(int, secid_to_secctx, u32 secid, char **secdata, u32 *seclen) > +LSM_HOOK(int, secctx_to_secid, const char *secdata, u32 seclen, u32 *secid) > +LSM_HOOK(void, release_secctx, char *secdata, u32 seclen) > +LSM_HOOK(void, inode_invalidate_secctx, struct inode *inode) > +LSM_HOOK(int, inode_notifysecctx, struct inode *inode, void *ctx, u32 ctxlen) > +LSM_HOOK(int, inode_setsecctx, struct dentry *dentry, void *ctx, u32 ctxlen) > +LSM_HOOK(int, inode_getsecctx, struct inode *inode, void **ctx, u32 *ctxlen) > +#ifdef CONFIG_SECURITY_NETWORK > +LSM_HOOK(int, unix_stream_connect, struct sock *sock, struct sock *other, > + struct sock *newsk) > +LSM_HOOK(int, unix_may_send, struct socket *sock, struct socket *other) > +LSM_HOOK(int, socket_create, int family, int type, int protocol, int kern) > +LSM_HOOK(int, socket_post_create, struct socket *sock, int family, int type, > + int protocol, int kern) > +LSM_HOOK(int, socket_socketpair, struct socket *socka, struct socket *sockb) > +LSM_HOOK(int, socket_bind, struct socket *sock, struct sockaddr *address, > + int addrlen) > +LSM_HOOK(int, socket_connect, struct socket *sock, struct sockaddr *address, > + int addrlen) > +LSM_HOOK(int, socket_listen, struct socket *sock, int backlog) > +LSM_HOOK(int, socket_accept, struct socket *sock, struct socket *newsock) > +LSM_HOOK(int, socket_sendmsg, struct socket *sock, struct msghdr *msg, int size) > +LSM_HOOK(int, socket_recvmsg, struct socket *sock, struct msghdr *msg, int size, > + int flags) > +LSM_HOOK(int, socket_getsockname, struct socket *sock) > +LSM_HOOK(int, socket_getpeername, struct socket *sock) > +LSM_HOOK(int, socket_getsockopt, struct socket *sock, int level, int optname) > +LSM_HOOK(int, socket_setsockopt, struct socket *sock, int level, int optname) > +LSM_HOOK(int, socket_shutdown, struct socket *sock, int how) > +LSM_HOOK(int, socket_sock_rcv_skb, struct sock *sk, struct sk_buff *skb) > +LSM_HOOK(int, socket_getpeersec_stream, struct socket *sock, > + char __user *optval, int __user *optlen, unsigned len) > +LSM_HOOK(int, socket_getpeersec_dgram, struct socket *sock, struct sk_buff *skb, > + u32 *secid) > +LSM_HOOK(int, sk_alloc_security, struct sock *sk, int family, gfp_t priority) > +LSM_HOOK(void, sk_free_security, struct sock *sk) > +LSM_HOOK(void, sk_clone_security, const struct sock *sk, struct sock *newsk) > +LSM_HOOK(void, sk_getsecid, struct sock *sk, u32 *secid) > +LSM_HOOK(void, sock_graft, struct sock *sk, struct socket *parent) > +LSM_HOOK(int, inet_conn_request, struct sock *sk, struct sk_buff *skb, > + struct request_sock *req) > +LSM_HOOK(void, inet_csk_clone, struct sock *newsk, > + const struct request_sock *req) > +LSM_HOOK(void, inet_conn_established, struct sock *sk, struct sk_buff *skb) > +LSM_HOOK(int, secmark_relabel_packet, u32 secid) > +LSM_HOOK(void, secmark_refcount_inc, void) > +LSM_HOOK(void, secmark_refcount_dec, void) > +LSM_HOOK(void, req_classify_flow, const struct request_sock *req, > + struct flowi *fl) > +LSM_HOOK(int, tun_dev_alloc_security, void **security) > +LSM_HOOK(void, tun_dev_free_security, void *security) > +LSM_HOOK(int, tun_dev_create, void) > +LSM_HOOK(int, tun_dev_attach_queue, void *security) > +LSM_HOOK(int, tun_dev_attach, struct sock *sk, void *security) > +LSM_HOOK(int, tun_dev_open, void *security) > +LSM_HOOK(int, sctp_assoc_request, struct sctp_endpoint *ep, struct sk_buff *skb) > +LSM_HOOK(int, sctp_bind_connect, struct sock *sk, int optname, > + struct sockaddr *address, int addrlen) > +LSM_HOOK(void, sctp_sk_clone, struct sctp_endpoint *ep, struct sock *sk, > + struct sock *newsk) > +#endif /* CONFIG_SECURITY_NETWORK */ > + > +#ifdef CONFIG_SECURITY_INFINIBAND > +LSM_HOOK(int, ib_pkey_access, void *sec, u64 subnet_prefix, u16 pkey) > +LSM_HOOK(int, ib_endport_manage_subnet, void *sec, const char *dev_name, > + u8 port_num) > +LSM_HOOK(int, ib_alloc_security, void **sec) > +LSM_HOOK(void, ib_free_security, void *sec) > +#endif /* CONFIG_SECURITY_INFINIBAND */ > + > +#ifdef CONFIG_SECURITY_NETWORK_XFRM > +LSM_HOOK(int, xfrm_policy_alloc_security, struct xfrm_sec_ctx **ctxp, > + struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp) > +LSM_HOOK(int, xfrm_policy_clone_security, struct xfrm_sec_ctx *old_ctx, > + struct xfrm_sec_ctx **new_ctx) > +LSM_HOOK(void, xfrm_policy_free_security, struct xfrm_sec_ctx *ctx) > +LSM_HOOK(int, xfrm_policy_delete_security, struct xfrm_sec_ctx *ctx) > +LSM_HOOK(int, xfrm_state_alloc, struct xfrm_state *x, > + struct xfrm_user_sec_ctx *sec_ctx) > +LSM_HOOK(int, xfrm_state_alloc_acquire, struct xfrm_state *x, > + struct xfrm_sec_ctx *polsec, u32 secid) > +LSM_HOOK(void, xfrm_state_free_security, struct xfrm_state *x) > +LSM_HOOK(int, xfrm_state_delete_security, struct xfrm_state *x) > +LSM_HOOK(int, xfrm_policy_lookup, struct xfrm_sec_ctx *ctx, u32 fl_secid, > + u8 dir) > +LSM_HOOK(int, xfrm_state_pol_flow_match, struct xfrm_state *x, > + struct xfrm_policy *xp, const struct flowi *fl) > +LSM_HOOK(int, xfrm_decode_session, struct sk_buff *skb, u32 *secid, int ckall) > +#endif /* CONFIG_SECURITY_NETWORK_XFRM */ > + > +/* key management security hooks */ > +#ifdef CONFIG_KEYS > +LSM_HOOK(int, key_alloc, struct key *key, const struct cred *cred, > + unsigned long flags) > +LSM_HOOK(void, key_free, struct key *key) > +LSM_HOOK(int, key_permission, key_ref_t key_ref, const struct cred *cred, > + unsigned perm) > +LSM_HOOK(int, key_getsecurity, struct key *key, char **_buffer) > +#endif /* CONFIG_KEYS */ > + > +#ifdef CONFIG_AUDIT > +LSM_HOOK(int, audit_rule_init, u32 field, u32 op, char *rulestr, void **lsmrule) > +LSM_HOOK(int, audit_rule_known, struct audit_krule *krule) > +LSM_HOOK(int, audit_rule_match, u32 secid, u32 field, u32 op, void *lsmrule) > +LSM_HOOK(void, audit_rule_free, void *lsmrule) > +#endif /* CONFIG_AUDIT */ > + > +#ifdef CONFIG_BPF_SYSCALL > +LSM_HOOK(int, bpf, int cmd, union bpf_attr *attr, unsigned int size) > +LSM_HOOK(int, bpf_map, struct bpf_map *map, fmode_t fmode) > +LSM_HOOK(int, bpf_prog, struct bpf_prog *prog) > +LSM_HOOK(int, bpf_map_alloc_security, struct bpf_map *map) > +LSM_HOOK(void, bpf_map_free_security, struct bpf_map *map) > +LSM_HOOK(int, bpf_prog_alloc_security, struct bpf_prog_aux *aux) > +LSM_HOOK(void, bpf_prog_free_security, struct bpf_prog_aux *aux) > +#endif /* CONFIG_BPF_SYSCALL */ > + > +LSM_HOOK(int, locked_down, enum lockdown_reason what) > + > +#ifdef CONFIG_PERF_EVENTS > +LSM_HOOK(int, perf_event_open, struct perf_event_attr *attr, int type) > +LSM_HOOK(int, perf_event_alloc, struct perf_event *event) > +LSM_HOOK(void, perf_event_free, struct perf_event *event) > +LSM_HOOK(int, perf_event_read, struct perf_event *event) > +LSM_HOOK(int, perf_event_write, struct perf_event *event) > +#endif > diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h > index 20d8cf194fb7..905954c650ff 100644 > --- a/include/linux/lsm_hooks.h > +++ b/include/linux/lsm_hooks.h > @@ -1456,625 +1456,15 @@ > * @what: kernel feature being accessed > */ > union security_list_options { > - int (*binder_set_context_mgr)(struct task_struct *mgr); > - int (*binder_transaction)(struct task_struct *from, > - struct task_struct *to); > - int (*binder_transfer_binder)(struct task_struct *from, > - struct task_struct *to); > - int (*binder_transfer_file)(struct task_struct *from, > - struct task_struct *to, > - struct file *file); > - > - int (*ptrace_access_check)(struct task_struct *child, > - unsigned int mode); > - int (*ptrace_traceme)(struct task_struct *parent); > - int (*capget)(struct task_struct *target, kernel_cap_t *effective, > - kernel_cap_t *inheritable, kernel_cap_t *permitted); > - int (*capset)(struct cred *new, const struct cred *old, > - const kernel_cap_t *effective, > - const kernel_cap_t *inheritable, > - const kernel_cap_t *permitted); > - int (*capable)(const struct cred *cred, > - struct user_namespace *ns, > - int cap, > - unsigned int opts); > - int (*quotactl)(int cmds, int type, int id, struct super_block *sb); > - int (*quota_on)(struct dentry *dentry); > - int (*syslog)(int type); > - int (*settime)(const struct timespec64 *ts, const struct timezone *tz); > - int (*vm_enough_memory)(struct mm_struct *mm, long pages); > - > - int (*bprm_set_creds)(struct linux_binprm *bprm); > - int (*bprm_check_security)(struct linux_binprm *bprm); > - void (*bprm_committing_creds)(struct linux_binprm *bprm); > - void (*bprm_committed_creds)(struct linux_binprm *bprm); > - > - int (*fs_context_dup)(struct fs_context *fc, struct fs_context *src_sc); > - int (*fs_context_parse_param)(struct fs_context *fc, struct fs_parameter *param); > - > - int (*sb_alloc_security)(struct super_block *sb); > - void (*sb_free_security)(struct super_block *sb); > - void (*sb_free_mnt_opts)(void *mnt_opts); > - int (*sb_eat_lsm_opts)(char *orig, void **mnt_opts); > - int (*sb_remount)(struct super_block *sb, void *mnt_opts); > - int (*sb_kern_mount)(struct super_block *sb); > - int (*sb_show_options)(struct seq_file *m, struct super_block *sb); > - int (*sb_statfs)(struct dentry *dentry); > - int (*sb_mount)(const char *dev_name, const struct path *path, > - const char *type, unsigned long flags, void *data); > - int (*sb_umount)(struct vfsmount *mnt, int flags); > - int (*sb_pivotroot)(const struct path *old_path, const struct path *new_path); > - int (*sb_set_mnt_opts)(struct super_block *sb, > - void *mnt_opts, > - unsigned long kern_flags, > - unsigned long *set_kern_flags); > - int (*sb_clone_mnt_opts)(const struct super_block *oldsb, > - struct super_block *newsb, > - unsigned long kern_flags, > - unsigned long *set_kern_flags); > - int (*sb_add_mnt_opt)(const char *option, const char *val, int len, > - void **mnt_opts); > - int (*move_mount)(const struct path *from_path, const struct path *to_path); > - int (*dentry_init_security)(struct dentry *dentry, int mode, > - const struct qstr *name, void **ctx, > - u32 *ctxlen); > - int (*dentry_create_files_as)(struct dentry *dentry, int mode, > - struct qstr *name, > - const struct cred *old, > - struct cred *new); > - > - > -#ifdef CONFIG_SECURITY_PATH > - int (*path_unlink)(const struct path *dir, struct dentry *dentry); > - int (*path_mkdir)(const struct path *dir, struct dentry *dentry, > - umode_t mode); > - int (*path_rmdir)(const struct path *dir, struct dentry *dentry); > - int (*path_mknod)(const struct path *dir, struct dentry *dentry, > - umode_t mode, unsigned int dev); > - int (*path_truncate)(const struct path *path); > - int (*path_symlink)(const struct path *dir, struct dentry *dentry, > - const char *old_name); > - int (*path_link)(struct dentry *old_dentry, const struct path *new_dir, > - struct dentry *new_dentry); > - int (*path_rename)(const struct path *old_dir, struct dentry *old_dentry, > - const struct path *new_dir, > - struct dentry *new_dentry); > - int (*path_chmod)(const struct path *path, umode_t mode); > - int (*path_chown)(const struct path *path, kuid_t uid, kgid_t gid); > - int (*path_chroot)(const struct path *path); > -#endif > - /* Needed for inode based security check */ > - int (*path_notify)(const struct path *path, u64 mask, > - unsigned int obj_type); > - int (*inode_alloc_security)(struct inode *inode); > - void (*inode_free_security)(struct inode *inode); > - int (*inode_init_security)(struct inode *inode, struct inode *dir, > - const struct qstr *qstr, > - const char **name, void **value, > - size_t *len); > - int (*inode_create)(struct inode *dir, struct dentry *dentry, > - umode_t mode); > - int (*inode_link)(struct dentry *old_dentry, struct inode *dir, > - struct dentry *new_dentry); > - int (*inode_unlink)(struct inode *dir, struct dentry *dentry); > - int (*inode_symlink)(struct inode *dir, struct dentry *dentry, > - const char *old_name); > - int (*inode_mkdir)(struct inode *dir, struct dentry *dentry, > - umode_t mode); > - int (*inode_rmdir)(struct inode *dir, struct dentry *dentry); > - int (*inode_mknod)(struct inode *dir, struct dentry *dentry, > - umode_t mode, dev_t dev); > - int (*inode_rename)(struct inode *old_dir, struct dentry *old_dentry, > - struct inode *new_dir, > - struct dentry *new_dentry); > - int (*inode_readlink)(struct dentry *dentry); > - int (*inode_follow_link)(struct dentry *dentry, struct inode *inode, > - bool rcu); > - int (*inode_permission)(struct inode *inode, int mask); > - int (*inode_setattr)(struct dentry *dentry, struct iattr *attr); > - int (*inode_getattr)(const struct path *path); > - int (*inode_setxattr)(struct dentry *dentry, const char *name, > - const void *value, size_t size, int flags); > - void (*inode_post_setxattr)(struct dentry *dentry, const char *name, > - const void *value, size_t size, > - int flags); > - int (*inode_getxattr)(struct dentry *dentry, const char *name); > - int (*inode_listxattr)(struct dentry *dentry); > - int (*inode_removexattr)(struct dentry *dentry, const char *name); > - int (*inode_need_killpriv)(struct dentry *dentry); > - int (*inode_killpriv)(struct dentry *dentry); > - int (*inode_getsecurity)(struct inode *inode, const char *name, > - void **buffer, bool alloc); > - int (*inode_setsecurity)(struct inode *inode, const char *name, > - const void *value, size_t size, > - int flags); > - int (*inode_listsecurity)(struct inode *inode, char *buffer, > - size_t buffer_size); > - void (*inode_getsecid)(struct inode *inode, u32 *secid); > - int (*inode_copy_up)(struct dentry *src, struct cred **new); > - int (*inode_copy_up_xattr)(const char *name); > - > - int (*kernfs_init_security)(struct kernfs_node *kn_dir, > - struct kernfs_node *kn); > - > - int (*file_permission)(struct file *file, int mask); > - int (*file_alloc_security)(struct file *file); > - void (*file_free_security)(struct file *file); > - int (*file_ioctl)(struct file *file, unsigned int cmd, > - unsigned long arg); > - int (*mmap_addr)(unsigned long addr); > - int (*mmap_file)(struct file *file, unsigned long reqprot, > - unsigned long prot, unsigned long flags); > - int (*file_mprotect)(struct vm_area_struct *vma, unsigned long reqprot, > - unsigned long prot); > - int (*file_lock)(struct file *file, unsigned int cmd); > - int (*file_fcntl)(struct file *file, unsigned int cmd, > - unsigned long arg); > - void (*file_set_fowner)(struct file *file); > - int (*file_send_sigiotask)(struct task_struct *tsk, > - struct fown_struct *fown, int sig); > - int (*file_receive)(struct file *file); > - int (*file_open)(struct file *file); > - > - int (*task_alloc)(struct task_struct *task, unsigned long clone_flags); > - void (*task_free)(struct task_struct *task); > - int (*cred_alloc_blank)(struct cred *cred, gfp_t gfp); > - void (*cred_free)(struct cred *cred); > - int (*cred_prepare)(struct cred *new, const struct cred *old, > - gfp_t gfp); > - void (*cred_transfer)(struct cred *new, const struct cred *old); > - void (*cred_getsecid)(const struct cred *c, u32 *secid); > - int (*kernel_act_as)(struct cred *new, u32 secid); > - int (*kernel_create_files_as)(struct cred *new, struct inode *inode); > - int (*kernel_module_request)(char *kmod_name); > - int (*kernel_load_data)(enum kernel_load_data_id id); > - int (*kernel_read_file)(struct file *file, enum kernel_read_file_id id); > - int (*kernel_post_read_file)(struct file *file, char *buf, loff_t size, > - enum kernel_read_file_id id); > - int (*task_fix_setuid)(struct cred *new, const struct cred *old, > - int flags); > - int (*task_setpgid)(struct task_struct *p, pid_t pgid); > - int (*task_getpgid)(struct task_struct *p); > - int (*task_getsid)(struct task_struct *p); > - void (*task_getsecid)(struct task_struct *p, u32 *secid); > - int (*task_setnice)(struct task_struct *p, int nice); > - int (*task_setioprio)(struct task_struct *p, int ioprio); > - int (*task_getioprio)(struct task_struct *p); > - int (*task_prlimit)(const struct cred *cred, const struct cred *tcred, > - unsigned int flags); > - int (*task_setrlimit)(struct task_struct *p, unsigned int resource, > - struct rlimit *new_rlim); > - int (*task_setscheduler)(struct task_struct *p); > - int (*task_getscheduler)(struct task_struct *p); > - int (*task_movememory)(struct task_struct *p); > - int (*task_kill)(struct task_struct *p, struct kernel_siginfo *info, > - int sig, const struct cred *cred); > - int (*task_prctl)(int option, unsigned long arg2, unsigned long arg3, > - unsigned long arg4, unsigned long arg5); > - void (*task_to_inode)(struct task_struct *p, struct inode *inode); > - > - int (*ipc_permission)(struct kern_ipc_perm *ipcp, short flag); > - void (*ipc_getsecid)(struct kern_ipc_perm *ipcp, u32 *secid); > - > - int (*msg_msg_alloc_security)(struct msg_msg *msg); > - void (*msg_msg_free_security)(struct msg_msg *msg); > - > - int (*msg_queue_alloc_security)(struct kern_ipc_perm *perm); > - void (*msg_queue_free_security)(struct kern_ipc_perm *perm); > - int (*msg_queue_associate)(struct kern_ipc_perm *perm, int msqflg); > - int (*msg_queue_msgctl)(struct kern_ipc_perm *perm, int cmd); > - int (*msg_queue_msgsnd)(struct kern_ipc_perm *perm, struct msg_msg *msg, > - int msqflg); > - int (*msg_queue_msgrcv)(struct kern_ipc_perm *perm, struct msg_msg *msg, > - struct task_struct *target, long type, > - int mode); > - > - int (*shm_alloc_security)(struct kern_ipc_perm *perm); > - void (*shm_free_security)(struct kern_ipc_perm *perm); > - int (*shm_associate)(struct kern_ipc_perm *perm, int shmflg); > - int (*shm_shmctl)(struct kern_ipc_perm *perm, int cmd); > - int (*shm_shmat)(struct kern_ipc_perm *perm, char __user *shmaddr, > - int shmflg); > - > - int (*sem_alloc_security)(struct kern_ipc_perm *perm); > - void (*sem_free_security)(struct kern_ipc_perm *perm); > - int (*sem_associate)(struct kern_ipc_perm *perm, int semflg); > - int (*sem_semctl)(struct kern_ipc_perm *perm, int cmd); > - int (*sem_semop)(struct kern_ipc_perm *perm, struct sembuf *sops, > - unsigned nsops, int alter); > - > - int (*netlink_send)(struct sock *sk, struct sk_buff *skb); > - > - void (*d_instantiate)(struct dentry *dentry, struct inode *inode); > - > - int (*getprocattr)(struct task_struct *p, char *name, char **value); > - int (*setprocattr)(const char *name, void *value, size_t size); > - int (*ismaclabel)(const char *name); > - int (*secid_to_secctx)(u32 secid, char **secdata, u32 *seclen); > - int (*secctx_to_secid)(const char *secdata, u32 seclen, u32 *secid); > - void (*release_secctx)(char *secdata, u32 seclen); > - > - void (*inode_invalidate_secctx)(struct inode *inode); > - int (*inode_notifysecctx)(struct inode *inode, void *ctx, u32 ctxlen); > - int (*inode_setsecctx)(struct dentry *dentry, void *ctx, u32 ctxlen); > - int (*inode_getsecctx)(struct inode *inode, void **ctx, u32 *ctxlen); > - > -#ifdef CONFIG_SECURITY_NETWORK > - int (*unix_stream_connect)(struct sock *sock, struct sock *other, > - struct sock *newsk); > - int (*unix_may_send)(struct socket *sock, struct socket *other); > - > - int (*socket_create)(int family, int type, int protocol, int kern); > - int (*socket_post_create)(struct socket *sock, int family, int type, > - int protocol, int kern); > - int (*socket_socketpair)(struct socket *socka, struct socket *sockb); > - int (*socket_bind)(struct socket *sock, struct sockaddr *address, > - int addrlen); > - int (*socket_connect)(struct socket *sock, struct sockaddr *address, > - int addrlen); > - int (*socket_listen)(struct socket *sock, int backlog); > - int (*socket_accept)(struct socket *sock, struct socket *newsock); > - int (*socket_sendmsg)(struct socket *sock, struct msghdr *msg, > - int size); > - int (*socket_recvmsg)(struct socket *sock, struct msghdr *msg, > - int size, int flags); > - int (*socket_getsockname)(struct socket *sock); > - int (*socket_getpeername)(struct socket *sock); > - int (*socket_getsockopt)(struct socket *sock, int level, int optname); > - int (*socket_setsockopt)(struct socket *sock, int level, int optname); > - int (*socket_shutdown)(struct socket *sock, int how); > - int (*socket_sock_rcv_skb)(struct sock *sk, struct sk_buff *skb); > - int (*socket_getpeersec_stream)(struct socket *sock, > - char __user *optval, > - int __user *optlen, unsigned len); > - int (*socket_getpeersec_dgram)(struct socket *sock, > - struct sk_buff *skb, u32 *secid); > - int (*sk_alloc_security)(struct sock *sk, int family, gfp_t priority); > - void (*sk_free_security)(struct sock *sk); > - void (*sk_clone_security)(const struct sock *sk, struct sock *newsk); > - void (*sk_getsecid)(struct sock *sk, u32 *secid); > - void (*sock_graft)(struct sock *sk, struct socket *parent); > - int (*inet_conn_request)(struct sock *sk, struct sk_buff *skb, > - struct request_sock *req); > - void (*inet_csk_clone)(struct sock *newsk, > - const struct request_sock *req); > - void (*inet_conn_established)(struct sock *sk, struct sk_buff *skb); > - int (*secmark_relabel_packet)(u32 secid); > - void (*secmark_refcount_inc)(void); > - void (*secmark_refcount_dec)(void); > - void (*req_classify_flow)(const struct request_sock *req, > - struct flowi *fl); > - int (*tun_dev_alloc_security)(void **security); > - void (*tun_dev_free_security)(void *security); > - int (*tun_dev_create)(void); > - int (*tun_dev_attach_queue)(void *security); > - int (*tun_dev_attach)(struct sock *sk, void *security); > - int (*tun_dev_open)(void *security); > - int (*sctp_assoc_request)(struct sctp_endpoint *ep, > - struct sk_buff *skb); > - int (*sctp_bind_connect)(struct sock *sk, int optname, > - struct sockaddr *address, int addrlen); > - void (*sctp_sk_clone)(struct sctp_endpoint *ep, struct sock *sk, > - struct sock *newsk); > -#endif /* CONFIG_SECURITY_NETWORK */ > - > -#ifdef CONFIG_SECURITY_INFINIBAND > - int (*ib_pkey_access)(void *sec, u64 subnet_prefix, u16 pkey); > - int (*ib_endport_manage_subnet)(void *sec, const char *dev_name, > - u8 port_num); > - int (*ib_alloc_security)(void **sec); > - void (*ib_free_security)(void *sec); > -#endif /* CONFIG_SECURITY_INFINIBAND */ > - > -#ifdef CONFIG_SECURITY_NETWORK_XFRM > - int (*xfrm_policy_alloc_security)(struct xfrm_sec_ctx **ctxp, > - struct xfrm_user_sec_ctx *sec_ctx, > - gfp_t gfp); > - int (*xfrm_policy_clone_security)(struct xfrm_sec_ctx *old_ctx, > - struct xfrm_sec_ctx **new_ctx); > - void (*xfrm_policy_free_security)(struct xfrm_sec_ctx *ctx); > - int (*xfrm_policy_delete_security)(struct xfrm_sec_ctx *ctx); > - int (*xfrm_state_alloc)(struct xfrm_state *x, > - struct xfrm_user_sec_ctx *sec_ctx); > - int (*xfrm_state_alloc_acquire)(struct xfrm_state *x, > - struct xfrm_sec_ctx *polsec, > - u32 secid); > - void (*xfrm_state_free_security)(struct xfrm_state *x); > - int (*xfrm_state_delete_security)(struct xfrm_state *x); > - int (*xfrm_policy_lookup)(struct xfrm_sec_ctx *ctx, u32 fl_secid, > - u8 dir); > - int (*xfrm_state_pol_flow_match)(struct xfrm_state *x, > - struct xfrm_policy *xp, > - const struct flowi *fl); > - int (*xfrm_decode_session)(struct sk_buff *skb, u32 *secid, int ckall); > -#endif /* CONFIG_SECURITY_NETWORK_XFRM */ > - > - /* key management security hooks */ > -#ifdef CONFIG_KEYS > - int (*key_alloc)(struct key *key, const struct cred *cred, > - unsigned long flags); > - void (*key_free)(struct key *key); > - int (*key_permission)(key_ref_t key_ref, const struct cred *cred, > - unsigned perm); > - int (*key_getsecurity)(struct key *key, char **_buffer); > -#endif /* CONFIG_KEYS */ > - > -#ifdef CONFIG_AUDIT > - int (*audit_rule_init)(u32 field, u32 op, char *rulestr, > - void **lsmrule); > - int (*audit_rule_known)(struct audit_krule *krule); > - int (*audit_rule_match)(u32 secid, u32 field, u32 op, void *lsmrule); > - void (*audit_rule_free)(void *lsmrule); > -#endif /* CONFIG_AUDIT */ > - > -#ifdef CONFIG_BPF_SYSCALL > - int (*bpf)(int cmd, union bpf_attr *attr, > - unsigned int size); > - int (*bpf_map)(struct bpf_map *map, fmode_t fmode); > - int (*bpf_prog)(struct bpf_prog *prog); > - int (*bpf_map_alloc_security)(struct bpf_map *map); > - void (*bpf_map_free_security)(struct bpf_map *map); > - int (*bpf_prog_alloc_security)(struct bpf_prog_aux *aux); > - void (*bpf_prog_free_security)(struct bpf_prog_aux *aux); > -#endif /* CONFIG_BPF_SYSCALL */ > - int (*locked_down)(enum lockdown_reason what); > -#ifdef CONFIG_PERF_EVENTS > - int (*perf_event_open)(struct perf_event_attr *attr, int type); > - int (*perf_event_alloc)(struct perf_event *event); > - void (*perf_event_free)(struct perf_event *event); > - int (*perf_event_read)(struct perf_event *event); > - int (*perf_event_write)(struct perf_event *event); > - > -#endif > + #define LSM_HOOK(RET, NAME, ...) RET (*NAME)(__VA_ARGS__); > + #include "lsm_hook_names.h" > + #undef LSM_HOOK > }; > > struct security_hook_heads { > - struct hlist_head binder_set_context_mgr; > - struct hlist_head binder_transaction; > - struct hlist_head binder_transfer_binder; > - struct hlist_head binder_transfer_file; > - struct hlist_head ptrace_access_check; > - struct hlist_head ptrace_traceme; > - struct hlist_head capget; > - struct hlist_head capset; > - struct hlist_head capable; > - struct hlist_head quotactl; > - struct hlist_head quota_on; > - struct hlist_head syslog; > - struct hlist_head settime; > - struct hlist_head vm_enough_memory; > - struct hlist_head bprm_set_creds; > - struct hlist_head bprm_check_security; > - struct hlist_head bprm_committing_creds; > - struct hlist_head bprm_committed_creds; > - struct hlist_head fs_context_dup; > - struct hlist_head fs_context_parse_param; > - struct hlist_head sb_alloc_security; > - struct hlist_head sb_free_security; > - struct hlist_head sb_free_mnt_opts; > - struct hlist_head sb_eat_lsm_opts; > - struct hlist_head sb_remount; > - struct hlist_head sb_kern_mount; > - struct hlist_head sb_show_options; > - struct hlist_head sb_statfs; > - struct hlist_head sb_mount; > - struct hlist_head sb_umount; > - struct hlist_head sb_pivotroot; > - struct hlist_head sb_set_mnt_opts; > - struct hlist_head sb_clone_mnt_opts; > - struct hlist_head sb_add_mnt_opt; > - struct hlist_head move_mount; > - struct hlist_head dentry_init_security; > - struct hlist_head dentry_create_files_as; > -#ifdef CONFIG_SECURITY_PATH > - struct hlist_head path_unlink; > - struct hlist_head path_mkdir; > - struct hlist_head path_rmdir; > - struct hlist_head path_mknod; > - struct hlist_head path_truncate; > - struct hlist_head path_symlink; > - struct hlist_head path_link; > - struct hlist_head path_rename; > - struct hlist_head path_chmod; > - struct hlist_head path_chown; > - struct hlist_head path_chroot; > -#endif > - /* Needed for inode based modules as well */ > - struct hlist_head path_notify; > - struct hlist_head inode_alloc_security; > - struct hlist_head inode_free_security; > - struct hlist_head inode_init_security; > - struct hlist_head inode_create; > - struct hlist_head inode_link; > - struct hlist_head inode_unlink; > - struct hlist_head inode_symlink; > - struct hlist_head inode_mkdir; > - struct hlist_head inode_rmdir; > - struct hlist_head inode_mknod; > - struct hlist_head inode_rename; > - struct hlist_head inode_readlink; > - struct hlist_head inode_follow_link; > - struct hlist_head inode_permission; > - struct hlist_head inode_setattr; > - struct hlist_head inode_getattr; > - struct hlist_head inode_setxattr; > - struct hlist_head inode_post_setxattr; > - struct hlist_head inode_getxattr; > - struct hlist_head inode_listxattr; > - struct hlist_head inode_removexattr; > - struct hlist_head inode_need_killpriv; > - struct hlist_head inode_killpriv; > - struct hlist_head inode_getsecurity; > - struct hlist_head inode_setsecurity; > - struct hlist_head inode_listsecurity; > - struct hlist_head inode_getsecid; > - struct hlist_head inode_copy_up; > - struct hlist_head inode_copy_up_xattr; > - struct hlist_head kernfs_init_security; > - struct hlist_head file_permission; > - struct hlist_head file_alloc_security; > - struct hlist_head file_free_security; > - struct hlist_head file_ioctl; > - struct hlist_head mmap_addr; > - struct hlist_head mmap_file; > - struct hlist_head file_mprotect; > - struct hlist_head file_lock; > - struct hlist_head file_fcntl; > - struct hlist_head file_set_fowner; > - struct hlist_head file_send_sigiotask; > - struct hlist_head file_receive; > - struct hlist_head file_open; > - struct hlist_head task_alloc; > - struct hlist_head task_free; > - struct hlist_head cred_alloc_blank; > - struct hlist_head cred_free; > - struct hlist_head cred_prepare; > - struct hlist_head cred_transfer; > - struct hlist_head cred_getsecid; > - struct hlist_head kernel_act_as; > - struct hlist_head kernel_create_files_as; > - struct hlist_head kernel_load_data; > - struct hlist_head kernel_read_file; > - struct hlist_head kernel_post_read_file; > - struct hlist_head kernel_module_request; > - struct hlist_head task_fix_setuid; > - struct hlist_head task_setpgid; > - struct hlist_head task_getpgid; > - struct hlist_head task_getsid; > - struct hlist_head task_getsecid; > - struct hlist_head task_setnice; > - struct hlist_head task_setioprio; > - struct hlist_head task_getioprio; > - struct hlist_head task_prlimit; > - struct hlist_head task_setrlimit; > - struct hlist_head task_setscheduler; > - struct hlist_head task_getscheduler; > - struct hlist_head task_movememory; > - struct hlist_head task_kill; > - struct hlist_head task_prctl; > - struct hlist_head task_to_inode; > - struct hlist_head ipc_permission; > - struct hlist_head ipc_getsecid; > - struct hlist_head msg_msg_alloc_security; > - struct hlist_head msg_msg_free_security; > - struct hlist_head msg_queue_alloc_security; > - struct hlist_head msg_queue_free_security; > - struct hlist_head msg_queue_associate; > - struct hlist_head msg_queue_msgctl; > - struct hlist_head msg_queue_msgsnd; > - struct hlist_head msg_queue_msgrcv; > - struct hlist_head shm_alloc_security; > - struct hlist_head shm_free_security; > - struct hlist_head shm_associate; > - struct hlist_head shm_shmctl; > - struct hlist_head shm_shmat; > - struct hlist_head sem_alloc_security; > - struct hlist_head sem_free_security; > - struct hlist_head sem_associate; > - struct hlist_head sem_semctl; > - struct hlist_head sem_semop; > - struct hlist_head netlink_send; > - struct hlist_head d_instantiate; > - struct hlist_head getprocattr; > - struct hlist_head setprocattr; > - struct hlist_head ismaclabel; > - struct hlist_head secid_to_secctx; > - struct hlist_head secctx_to_secid; > - struct hlist_head release_secctx; > - struct hlist_head inode_invalidate_secctx; > - struct hlist_head inode_notifysecctx; > - struct hlist_head inode_setsecctx; > - struct hlist_head inode_getsecctx; > -#ifdef CONFIG_SECURITY_NETWORK > - struct hlist_head unix_stream_connect; > - struct hlist_head unix_may_send; > - struct hlist_head socket_create; > - struct hlist_head socket_post_create; > - struct hlist_head socket_socketpair; > - struct hlist_head socket_bind; > - struct hlist_head socket_connect; > - struct hlist_head socket_listen; > - struct hlist_head socket_accept; > - struct hlist_head socket_sendmsg; > - struct hlist_head socket_recvmsg; > - struct hlist_head socket_getsockname; > - struct hlist_head socket_getpeername; > - struct hlist_head socket_getsockopt; > - struct hlist_head socket_setsockopt; > - struct hlist_head socket_shutdown; > - struct hlist_head socket_sock_rcv_skb; > - struct hlist_head socket_getpeersec_stream; > - struct hlist_head socket_getpeersec_dgram; > - struct hlist_head sk_alloc_security; > - struct hlist_head sk_free_security; > - struct hlist_head sk_clone_security; > - struct hlist_head sk_getsecid; > - struct hlist_head sock_graft; > - struct hlist_head inet_conn_request; > - struct hlist_head inet_csk_clone; > - struct hlist_head inet_conn_established; > - struct hlist_head secmark_relabel_packet; > - struct hlist_head secmark_refcount_inc; > - struct hlist_head secmark_refcount_dec; > - struct hlist_head req_classify_flow; > - struct hlist_head tun_dev_alloc_security; > - struct hlist_head tun_dev_free_security; > - struct hlist_head tun_dev_create; > - struct hlist_head tun_dev_attach_queue; > - struct hlist_head tun_dev_attach; > - struct hlist_head tun_dev_open; > - struct hlist_head sctp_assoc_request; > - struct hlist_head sctp_bind_connect; > - struct hlist_head sctp_sk_clone; > -#endif /* CONFIG_SECURITY_NETWORK */ > -#ifdef CONFIG_SECURITY_INFINIBAND > - struct hlist_head ib_pkey_access; > - struct hlist_head ib_endport_manage_subnet; > - struct hlist_head ib_alloc_security; > - struct hlist_head ib_free_security; > -#endif /* CONFIG_SECURITY_INFINIBAND */ > -#ifdef CONFIG_SECURITY_NETWORK_XFRM > - struct hlist_head xfrm_policy_alloc_security; > - struct hlist_head xfrm_policy_clone_security; > - struct hlist_head xfrm_policy_free_security; > - struct hlist_head xfrm_policy_delete_security; > - struct hlist_head xfrm_state_alloc; > - struct hlist_head xfrm_state_alloc_acquire; > - struct hlist_head xfrm_state_free_security; > - struct hlist_head xfrm_state_delete_security; > - struct hlist_head xfrm_policy_lookup; > - struct hlist_head xfrm_state_pol_flow_match; > - struct hlist_head xfrm_decode_session; > -#endif /* CONFIG_SECURITY_NETWORK_XFRM */ > -#ifdef CONFIG_KEYS > - struct hlist_head key_alloc; > - struct hlist_head key_free; > - struct hlist_head key_permission; > - struct hlist_head key_getsecurity; > -#endif /* CONFIG_KEYS */ > -#ifdef CONFIG_AUDIT > - struct hlist_head audit_rule_init; > - struct hlist_head audit_rule_known; > - struct hlist_head audit_rule_match; > - struct hlist_head audit_rule_free; > -#endif /* CONFIG_AUDIT */ > -#ifdef CONFIG_BPF_SYSCALL > - struct hlist_head bpf; > - struct hlist_head bpf_map; > - struct hlist_head bpf_prog; > - struct hlist_head bpf_map_alloc_security; > - struct hlist_head bpf_map_free_security; > - struct hlist_head bpf_prog_alloc_security; > - struct hlist_head bpf_prog_free_security; > -#endif /* CONFIG_BPF_SYSCALL */ > - struct hlist_head locked_down; > -#ifdef CONFIG_PERF_EVENTS > - struct hlist_head perf_event_open; > - struct hlist_head perf_event_alloc; > - struct hlist_head perf_event_free; > - struct hlist_head perf_event_read; > - struct hlist_head perf_event_write; > -#endif > + #define LSM_HOOK(RET, NAME, ...) struct hlist_head NAME; > + #include "lsm_hook_names.h" > + #undef LSM_HOOK > } __randomize_layout; > > /* > -- > 2.20.1 > -- Kees Cook