Function report |
Source Code:security\commoncap.c |
Create Date:2022-07-28 18:36:32 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:Extract the on-exec-apply capability sets for an executable file.
Proto:int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
const struct dentry * | dentry | |
struct cpu_vfs_cap_data * | cpu_caps |
577 | nscaps = data |
578 | struct vfs_cap_data * caps = (struct vfs_cap_data * ) & data |
582 | memset(cpu_caps, 0, sizeof(structcpu_vfs_cap_data)) |
588 | size = __vfs_getxattr((structdentry * )dentry, inode, XATTR_NAME_CAPS, & data, XATTR_CAPS_SZ) |
590 | If size == -ENODATA || size == -EOPNOTSUPP Then Return -ENODATA |
600 | magic_etc = magic_etc = le32_to_cpu( Little endian ) |
604 | Case & == VFS_CAP_REVISION_1 |
609 | Case & == VFS_CAP_REVISION_2 |
614 | Case & == VFS_CAP_REVISION_3 |
621 | Default |
622 | Return -EINVAL |
627 | If Not rootid_owns_currentns(rootkuid) Then Return -ENODATA |
633 | cap[i] = le32_to_cpu(permitted) |
634 | cap[i] = le32_to_cpu( Little endian ) |
637 | cap[CAP_LAST_U32] &= CAP_LAST_U32_VALID_MASK |
638 | cap[CAP_LAST_U32] &= CAP_LAST_U32_VALID_MASK |
642 | Return 0 |
Name | Describe |
---|---|
__audit_log_bprm_fcaps | __audit_log_bprm_fcaps - store information about a loading bprm and relevant fcaps*@bprm: pointer to the bprm being processed*@new: the proposed new credentials*@old: the old credentials* Simply check if the proc already has the caps given by the file and |
get_file_caps | Attempt to get the on-exec apply capability sets for an executable file from* its xattrs and, if present, apply them to the proposed credentials being* constructed by execve(). |
audit_copy_fcaps |
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