diff options
Diffstat (limited to 'security/tomoyo/tomoyo.c')
| -rw-r--r-- | security/tomoyo/tomoyo.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c index 9548a0984cc4..3fb5f6ea4fc9 100644 --- a/security/tomoyo/tomoyo.c +++ b/security/tomoyo/tomoyo.c @@ -271,6 +271,60 @@ static int tomoyo_dentry_open(struct file *f, const struct cred *cred) return tomoyo_check_open_permission(tomoyo_domain(), &f->f_path, flags); } +static int tomoyo_file_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + return tomoyo_check_1path_perm(tomoyo_domain(), TOMOYO_TYPE_IOCTL_ACL, + &file->f_path); +} + +static int tomoyo_path_chmod(struct dentry *dentry, struct vfsmount *mnt, + mode_t mode) +{ + struct path path = { mnt, dentry }; + return tomoyo_check_1path_perm(tomoyo_domain(), TOMOYO_TYPE_CHMOD_ACL, + &path); +} + +static int tomoyo_path_chown(struct path *path, uid_t uid, gid_t gid) +{ + int error = 0; + if (uid != (uid_t) -1) + error = tomoyo_check_1path_perm(tomoyo_domain(), + TOMOYO_TYPE_CHOWN_ACL, path); + if (!error && gid != (gid_t) -1) + error = tomoyo_check_1path_perm(tomoyo_domain(), + TOMOYO_TYPE_CHGRP_ACL, path); + return error; +} + +static int tomoyo_path_chroot(struct path *path) +{ + return tomoyo_check_1path_perm(tomoyo_domain(), TOMOYO_TYPE_CHROOT_ACL, + path); +} + +static int tomoyo_sb_mount(char *dev_name, struct path *path, + char *type, unsigned long flags, void *data) +{ + return tomoyo_check_1path_perm(tomoyo_domain(), TOMOYO_TYPE_MOUNT_ACL, + path); +} + +static int tomoyo_sb_umount(struct vfsmount *mnt, int flags) +{ + struct path path = { mnt, mnt->mnt_root }; + return tomoyo_check_1path_perm(tomoyo_domain(), TOMOYO_TYPE_UMOUNT_ACL, + &path); +} + +static int tomoyo_sb_pivotroot(struct path *old_path, struct path *new_path) +{ + return tomoyo_check_2path_perm(tomoyo_domain(), + TOMOYO_TYPE_PIVOT_ROOT_ACL, + new_path, old_path); +} + /* * tomoyo_security_ops is a "struct security_operations" which is used for * registering TOMOYO. @@ -295,6 +349,13 @@ static struct security_operations tomoyo_security_ops = { .path_mknod = tomoyo_path_mknod, .path_link = tomoyo_path_link, .path_rename = tomoyo_path_rename, + .file_ioctl = tomoyo_file_ioctl, + .path_chmod = tomoyo_path_chmod, + .path_chown = tomoyo_path_chown, + .path_chroot = tomoyo_path_chroot, + .sb_mount = tomoyo_sb_mount, + .sb_umount = tomoyo_sb_umount, + .sb_pivotroot = tomoyo_sb_pivotroot, }; static int __init tomoyo_init(void) |