Lines Matching +full:get +full:- +full:only

1 // SPDX-License-Identifier: GPL-2.0
19  * bpf_get_task_exe_file - get a reference on the exe_file struct file member of
22  * @task: task_struct of which the nested mm_struct exe_file member to get a
25  * Get a reference on the exe_file struct file member field of the mm_struct
32  * This BPF kfunc may only be called from BPF LSM programs.
48  * bpf_put_file - put a reference on the supplied file
51  * Put a reference on the supplied *file*. Only referenced file pointers may be
56  * This BPF kfunc may only be called from BPF LSM programs.
64  * bpf_path_d_path - resolve the pathname for the supplied path
76  * This BPF kfunc may only be called from BPF LSM programs.
88 		return -EINVAL;  in bpf_path_d_path()
94 	len = buf + buf__sz - ret;  in bpf_path_d_path()
107 		return -EINVAL;  in bpf_xattr_read_permission()
112 		return -EPERM;  in bpf_xattr_read_permission()
118  * bpf_get_dentry_xattr - get xattr of a dentry
119  * @dentry: dentry to get xattr from
123  * Get xattr *name__str* of *dentry* and store the output in *value_ptr*.
125  * For security reasons, only *name__str* with prefixes "user." or
142 		return -EINVAL;  in bpf_get_dentry_xattr()
151  * bpf_get_file_xattr - get xattr of a file
152  * @file: file to get xattr from
156  * Get xattr *name__str* of *file* and store the output in *value_ptr*.
158  * For security reasons, only *name__str* with prefixes "user." or
177 		return -EINVAL;  in bpf_xattr_write_permission()
179 	/* Only allow setting and removing security.bpf. xattrs */  in bpf_xattr_write_permission()
181 		return -EPERM;  in bpf_xattr_write_permission()
187  * bpf_set_dentry_xattr_locked - set a xattr of a dentry
188  * @dentry: dentry to get xattr from
195  * For security reasons, only *name__str* with prefix "security.bpf."
198  * The caller already locked dentry->d_inode.
215 		return -EINVAL;  in bpf_set_dentry_xattr_locked()
237  * bpf_remove_dentry_xattr_locked - remove a xattr of a dentry
238  * @dentry: dentry to get xattr from
243  * For security reasons, only *name__str* with prefix "security.bpf."
246  * The caller already locked dentry->d_inode.
274  * bpf_set_dentry_xattr - set a xattr of a dentry
275  * @dentry: dentry to get xattr from
282  * For security reasons, only *name__str* with prefix "security.bpf."
285  * The caller has not locked dentry->d_inode.
302  * bpf_remove_dentry_xattr - remove a xattr of a dentry
303  * @dentry: dentry to get xattr from
308  * For security reasons, only *name__str* with prefix "security.bpf."
311  * The caller has not locked dentry->d_inode.
328  * bpf_cgroup_read_xattr - read xattr of a cgroup's node in cgroupfs
329  * @cgroup: cgroup to get xattr from
333  * Get xattr *name__str* of *cgroup* and store the output in *value_ptr*.
335  * For security reasons, only *name__str* with prefix "user." is allowed.
346 	/* Only allow reading "user.*" xattrs */  in bpf_cgroup_read_xattr()
348 		return -EPERM;  in bpf_cgroup_read_xattr()
353 		return -EINVAL;  in bpf_cgroup_read_xattr()
355 	return kernfs_xattr_get(cgroup->kn, name__str, value, value_len);  in bpf_cgroup_read_xattr()
375 	    prog->type == BPF_PROG_TYPE_LSM)  in BTF_ID_FLAGS()
377 	return -EACCES;  in BTF_ID_FLAGS()
381  * KF_SLEEPABLE, so they are only available to sleepable hooks with
384  * Setting and removing xattr requires exclusive lock on dentry->d_inode.
408 	return btf_id_set_contains(&d_inode_locked_hooks, prog->aux->attach_btf_id);  in BTF_ID()