static int dummy_capget (struct task_struct *target, kernel_cap_t * effective,
kernel_cap_t * inheritable, kernel_cap_t * permitted)
{
- *effective = *inheritable = *permitted = 0;
if (target->euid == 0) {
- *permitted |= (~0 & ~CAP_FS_MASK);
- *effective |= (~0 & ~CAP_TO_MASK(CAP_SETPCAP) & ~CAP_FS_MASK);
+ cap_set_full(*permitted);
+ cap_set_init_eff(*effective);
+ } else {
+ cap_clear(*permitted);
+ cap_clear(*effective);
}
- if (target->fsuid == 0) {
- *permitted |= CAP_FS_MASK;
- *effective |= CAP_FS_MASK;
+
+ cap_clear(*inheritable);
+
+ if (target->fsuid != 0) {
+ *permitted = cap_drop_fs_set(*permitted);
+ *effective = cap_drop_fs_set(*effective);
}
return 0;
}
return;
}
-static int dummy_sb_copy_data (struct file_system_type *type,
- void *orig, void *copy)
+static int dummy_sb_copy_data (char *orig, char *copy)
{
return 0;
}
}
-static void dummy_sb_post_mountroot (void)
+static void dummy_sb_post_addmount (struct vfsmount *mnt, struct nameidata *nd)
{
return;
}
-static void dummy_sb_post_addmount (struct vfsmount *mnt, struct nameidata *nd)
+static int dummy_sb_pivotroot (struct nameidata *old_nd, struct nameidata *new_nd)
+{
+ return 0;
+}
+
+static void dummy_sb_post_pivotroot (struct nameidata *old_nd, struct nameidata *new_nd)
{
return;
}
-static int dummy_sb_pivotroot (struct nameidata *old_nd, struct nameidata *new_nd)
+static int dummy_sb_get_mnt_opts(const struct super_block *sb,
+ struct security_mnt_opts *opts)
{
+ security_init_mnt_opts(opts);
return 0;
}
-static void dummy_sb_post_pivotroot (struct nameidata *old_nd, struct nameidata *new_nd)
+static int dummy_sb_set_mnt_opts(struct super_block *sb,
+ struct security_mnt_opts *opts)
+{
+ if (unlikely(opts->num_mnt_opts))
+ return -EOPNOTSUPP;
+ return 0;
+}
+
+static void dummy_sb_clone_mnt_opts(const struct super_block *oldsb,
+ struct super_block *newsb)
{
return;
}
+static int dummy_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
+{
+ return 0;
+}
+
static int dummy_inode_alloc_security (struct inode *inode)
{
return 0;
return 0;
}
-static int dummy_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err)
+static int dummy_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
{
return -EOPNOTSUPP;
}
return 0;
}
+static void dummy_inode_getsecid(const struct inode *inode, u32 *secid)
+{
+ *secid = 0;
+}
+
static int dummy_file_permission (struct file *file, int mask)
{
return 0;
unsigned long addr,
unsigned long addr_only)
{
- if (addr < mmap_min_addr)
+ if ((addr < mmap_min_addr) && !capable(CAP_SYS_RAWIO))
return -EACCES;
return 0;
}
}
static void dummy_task_getsecid (struct task_struct *p, u32 *secid)
-{ }
+{
+ *secid = 0;
+}
static int dummy_task_setgroups (struct group_info *group_info)
{
return 0;
}
+static void dummy_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
+{
+ *secid = 0;
+}
+
static int dummy_msg_msg_alloc_security (struct msg_msg *msg)
{
return 0;
return -EOPNOTSUPP;
}
+static int dummy_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
+{
+ return -EOPNOTSUPP;
+}
+
static void dummy_release_secctx(char *secdata, u32 seclen)
{
}
}
#endif /* CONFIG_KEYS */
+#ifdef CONFIG_AUDIT
+static inline int dummy_audit_rule_init(u32 field, u32 op, char *rulestr,
+ void **lsmrule)
+{
+ return 0;
+}
+
+static inline int dummy_audit_rule_known(struct audit_krule *krule)
+{
+ return 0;
+}
+
+static inline int dummy_audit_rule_match(u32 secid, u32 field, u32 op,
+ void *lsmrule,
+ struct audit_context *actx)
+{
+ return 0;
+}
+
+static inline void dummy_audit_rule_free(void *lsmrule)
+{ }
+
+#endif /* CONFIG_AUDIT */
+
struct security_operations dummy_security_ops;
#define set_to_dummy_if_null(ops, function) \
set_to_dummy_if_null(ops, sb_umount_close);
set_to_dummy_if_null(ops, sb_umount_busy);
set_to_dummy_if_null(ops, sb_post_remount);
- set_to_dummy_if_null(ops, sb_post_mountroot);
set_to_dummy_if_null(ops, sb_post_addmount);
set_to_dummy_if_null(ops, sb_pivotroot);
set_to_dummy_if_null(ops, sb_post_pivotroot);
+ set_to_dummy_if_null(ops, sb_get_mnt_opts);
+ set_to_dummy_if_null(ops, sb_set_mnt_opts);
+ set_to_dummy_if_null(ops, sb_clone_mnt_opts);
+ set_to_dummy_if_null(ops, sb_parse_opts_str);
set_to_dummy_if_null(ops, inode_alloc_security);
set_to_dummy_if_null(ops, inode_free_security);
set_to_dummy_if_null(ops, inode_init_security);
set_to_dummy_if_null(ops, inode_getsecurity);
set_to_dummy_if_null(ops, inode_setsecurity);
set_to_dummy_if_null(ops, inode_listsecurity);
+ set_to_dummy_if_null(ops, inode_getsecid);
set_to_dummy_if_null(ops, file_permission);
set_to_dummy_if_null(ops, file_alloc_security);
set_to_dummy_if_null(ops, file_free_security);
set_to_dummy_if_null(ops, task_reparent_to_init);
set_to_dummy_if_null(ops, task_to_inode);
set_to_dummy_if_null(ops, ipc_permission);
+ set_to_dummy_if_null(ops, ipc_getsecid);
set_to_dummy_if_null(ops, msg_msg_alloc_security);
set_to_dummy_if_null(ops, msg_msg_free_security);
set_to_dummy_if_null(ops, msg_queue_alloc_security);
set_to_dummy_if_null(ops, getprocattr);
set_to_dummy_if_null(ops, setprocattr);
set_to_dummy_if_null(ops, secid_to_secctx);
+ set_to_dummy_if_null(ops, secctx_to_secid);
set_to_dummy_if_null(ops, release_secctx);
#ifdef CONFIG_SECURITY_NETWORK
set_to_dummy_if_null(ops, unix_stream_connect);
set_to_dummy_if_null(ops, key_free);
set_to_dummy_if_null(ops, key_permission);
#endif /* CONFIG_KEYS */
-
+#ifdef CONFIG_AUDIT
+ set_to_dummy_if_null(ops, audit_rule_init);
+ set_to_dummy_if_null(ops, audit_rule_known);
+ set_to_dummy_if_null(ops, audit_rule_match);
+ set_to_dummy_if_null(ops, audit_rule_free);
+#endif
}