SELINUX: add /sys/fs/selinux mount point to put selinuxfs

[linux-2.6.git] / security / capability.c

diff --git a/security/capability.c b/security/capability.c
index 5c700e1a4fd377478fbcdc8a048022c1c6fb9ac7..56bb1605fd79a34c342fea57ab035912daae8e44 100644 (file)
--- a/security/capability.c
+++ b/security/capability.c
@@ -12,12 +12,7 @@
 
 #include <linux/security.h>
 
-static int cap_acct(struct file *file)
-{
-       return 0;
-}
-
-static int cap_sysctl(ctl_table *table, int op)
+static int cap_syslog(int type)
 {
        return 0;
 }
@@ -32,7 +27,7 @@ static int cap_quota_on(struct dentry *dentry)
        return 0;
 }
 
-static int cap_bprm_check_security (struct linux_binprm *bprm)
+static int cap_bprm_check_security(struct linux_binprm *bprm)
 {
        return 0;
 }
@@ -59,6 +54,11 @@ static int cap_sb_copy_data(char *orig, char *copy)
        return 0;
 }
 
+static int cap_sb_remount(struct super_block *sb, void *data)
+{
+       return 0;
+}
+
 static int cap_sb_kern_mount(struct super_block *sb, int flags, void *data)
 {
        return 0;
@@ -80,42 +80,16 @@ static int cap_sb_mount(char *dev_name, struct path *path, char *type,
        return 0;
 }
 
-static int cap_sb_check_sb(struct vfsmount *mnt, struct path *path)
-{
-       return 0;
-}
-
 static int cap_sb_umount(struct vfsmount *mnt, int flags)
 {
        return 0;
 }
 
-static void cap_sb_umount_close(struct vfsmount *mnt)
-{
-}
-
-static void cap_sb_umount_busy(struct vfsmount *mnt)
-{
-}
-
-static void cap_sb_post_remount(struct vfsmount *mnt, unsigned long flags,
-                               void *data)
-{
-}
-
-static void cap_sb_post_addmount(struct vfsmount *mnt, struct path *path)
-{
-}
-
 static int cap_sb_pivotroot(struct path *old_path, struct path *new_path)
 {
        return 0;
 }
 
-static void cap_sb_post_pivotroot(struct path *old_path, struct path *new_path)
-{
-}
-
 static int cap_sb_set_mnt_opts(struct super_block *sb,
                               struct security_mnt_opts *opts)
 {
@@ -144,7 +118,8 @@ static void cap_inode_free_security(struct inode *inode)
 }
 
 static int cap_inode_init_security(struct inode *inode, struct inode *dir,
-                                  char **name, void **value, size_t *len)
+                                  const struct qstr *qstr, char **name,
+                                  void **value, size_t *len)
 {
        return -EOPNOTSUPP;
 }
@@ -206,7 +181,7 @@ static int cap_inode_follow_link(struct dentry *dentry,
        return 0;
 }
 
-static int cap_inode_permission(struct inode *inode, int mask)
+static int cap_inode_permission(struct inode *inode, int mask, unsigned flags)
 {
        return 0;
 }
@@ -221,10 +196,6 @@ static int cap_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
        return 0;
 }
 
-static void cap_inode_delete(struct inode *ino)
-{
-}
-
 static void cap_inode_post_setxattr(struct dentry *dentry, const char *name,
                                    const void *value, size_t size, int flags)
 {
@@ -303,8 +274,7 @@ static int cap_path_rename(struct path *old_path, struct dentry *old_dentry,
        return 0;
 }
 
-static int cap_path_truncate(struct path *path, loff_t length,
-                            unsigned int time_attrs)
+static int cap_path_truncate(struct path *path)
 {
        return 0;
 }
@@ -403,10 +373,6 @@ static int cap_cred_prepare(struct cred *new, const struct cred *old, gfp_t gfp)
        return 0;
 }
 
-static void cap_cred_commit(struct cred *new, const struct cred *old)
-{
-}
-
 static void cap_cred_transfer(struct cred *new, const struct cred *old)
 {
 }
@@ -426,16 +392,6 @@ static int cap_kernel_module_request(char *kmod_name)
        return 0;
 }
 
-static int cap_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
-{
-       return 0;
-}
-
-static int cap_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
-{
-       return 0;
-}
-
 static int cap_task_setpgid(struct task_struct *p, pid_t pgid)
 {
        return 0;
@@ -456,17 +412,13 @@ static void cap_task_getsecid(struct task_struct *p, u32 *secid)
        *secid = 0;
 }
 
-static int cap_task_setgroups(struct group_info *group_info)
-{
-       return 0;
-}
-
 static int cap_task_getioprio(struct task_struct *p)
 {
        return 0;
 }
 
-static int cap_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
+static int cap_task_setrlimit(struct task_struct *p, unsigned int resource,
+               struct rlimit *new_rlim)
 {
        return 0;
 }
@@ -597,7 +549,7 @@ static int cap_sem_semop(struct sem_array *sma, struct sembuf *sops,
 }
 
 #ifdef CONFIG_SECURITY_NETWORK
-static int cap_unix_stream_connect(struct socket *sock, struct socket *other,
+static int cap_unix_stream_connect(struct sock *sock, struct sock *other,
                                   struct sock *newsk)
 {
        return 0;
@@ -731,7 +683,18 @@ static void cap_inet_conn_established(struct sock *sk, struct sk_buff *skb)
 {
 }
 
+static int cap_secmark_relabel_packet(u32 secid)
+{
+       return 0;
+}
+
+static void cap_secmark_refcount_inc(void)
+{
+}
 
+static void cap_secmark_refcount_dec(void)
+{
+}
 
 static void cap_req_classify_flow(const struct request_sock *req,
                                  struct flowi *fl)
@@ -831,7 +794,8 @@ static int cap_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 
 static int cap_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
 {
-       return -EOPNOTSUPP;
+       *secid = 0;
+       return 0;
 }
 
 static void cap_release_secctx(char *secdata, u32 seclen)
@@ -875,13 +839,6 @@ static int cap_key_getsecurity(struct key *key, char **_buffer)
        return 0;
 }
 
-static int cap_key_session_to_parent(const struct cred *cred,
-                                    const struct cred *parent_cred,
-                                    struct key *key)
-{
-       return 0;
-}
-
 #endif /* CONFIG_KEYS */
 
 #ifdef CONFIG_AUDIT
@@ -906,10 +863,6 @@ static void cap_audit_rule_free(void *lsmrule)
 }
 #endif /* CONFIG_AUDIT */
 
-struct security_operations default_security_ops = {
-       .name   = "default",
-};
-
 #define set_to_cap_if_null(ops, function)                              \
        do {                                                            \
                if (!ops->function) {                                   \
@@ -919,17 +872,15 @@ struct security_operations default_security_ops = {
                        }                                               \
        } while (0)
 
-void security_fixup_ops(struct security_operations *ops)
+void __init security_fixup_ops(struct security_operations *ops)
 {
        set_to_cap_if_null(ops, ptrace_access_check);
        set_to_cap_if_null(ops, ptrace_traceme);
        set_to_cap_if_null(ops, capget);
        set_to_cap_if_null(ops, capset);
-       set_to_cap_if_null(ops, acct);
        set_to_cap_if_null(ops, capable);
        set_to_cap_if_null(ops, quotactl);
        set_to_cap_if_null(ops, quota_on);
-       set_to_cap_if_null(ops, sysctl);
        set_to_cap_if_null(ops, syslog);
        set_to_cap_if_null(ops, settime);
        set_to_cap_if_null(ops, vm_enough_memory);
@@ -941,18 +892,13 @@ void security_fixup_ops(struct security_operations *ops)
        set_to_cap_if_null(ops, sb_alloc_security);
        set_to_cap_if_null(ops, sb_free_security);
        set_to_cap_if_null(ops, sb_copy_data);
+       set_to_cap_if_null(ops, sb_remount);
        set_to_cap_if_null(ops, sb_kern_mount);
        set_to_cap_if_null(ops, sb_show_options);
        set_to_cap_if_null(ops, sb_statfs);
        set_to_cap_if_null(ops, sb_mount);
-       set_to_cap_if_null(ops, sb_check_sb);
        set_to_cap_if_null(ops, sb_umount);
-       set_to_cap_if_null(ops, sb_umount_close);
-       set_to_cap_if_null(ops, sb_umount_busy);
-       set_to_cap_if_null(ops, sb_post_remount);
-       set_to_cap_if_null(ops, sb_post_addmount);
        set_to_cap_if_null(ops, sb_pivotroot);
-       set_to_cap_if_null(ops, sb_post_pivotroot);
        set_to_cap_if_null(ops, sb_set_mnt_opts);
        set_to_cap_if_null(ops, sb_clone_mnt_opts);
        set_to_cap_if_null(ops, sb_parse_opts_str);
@@ -972,7 +918,6 @@ void security_fixup_ops(struct security_operations *ops)
        set_to_cap_if_null(ops, inode_permission);
        set_to_cap_if_null(ops, inode_setattr);
        set_to_cap_if_null(ops, inode_getattr);
-       set_to_cap_if_null(ops, inode_delete);
        set_to_cap_if_null(ops, inode_setxattr);
        set_to_cap_if_null(ops, inode_post_setxattr);
        set_to_cap_if_null(ops, inode_getxattr);
@@ -1013,19 +958,15 @@ void security_fixup_ops(struct security_operations *ops)
        set_to_cap_if_null(ops, cred_alloc_blank);
        set_to_cap_if_null(ops, cred_free);
        set_to_cap_if_null(ops, cred_prepare);
-       set_to_cap_if_null(ops, cred_commit);
        set_to_cap_if_null(ops, cred_transfer);
        set_to_cap_if_null(ops, kernel_act_as);
        set_to_cap_if_null(ops, kernel_create_files_as);
        set_to_cap_if_null(ops, kernel_module_request);
-       set_to_cap_if_null(ops, task_setuid);
        set_to_cap_if_null(ops, task_fix_setuid);
-       set_to_cap_if_null(ops, task_setgid);
        set_to_cap_if_null(ops, task_setpgid);
        set_to_cap_if_null(ops, task_getpgid);
        set_to_cap_if_null(ops, task_getsid);
        set_to_cap_if_null(ops, task_getsecid);
-       set_to_cap_if_null(ops, task_setgroups);
        set_to_cap_if_null(ops, task_setnice);
        set_to_cap_if_null(ops, task_setioprio);
        set_to_cap_if_null(ops, task_getioprio);
@@ -1095,6 +1036,9 @@ void security_fixup_ops(struct security_operations *ops)
        set_to_cap_if_null(ops, inet_conn_request);
        set_to_cap_if_null(ops, inet_csk_clone);
        set_to_cap_if_null(ops, inet_conn_established);
+       set_to_cap_if_null(ops, secmark_relabel_packet);
+       set_to_cap_if_null(ops, secmark_refcount_inc);
+       set_to_cap_if_null(ops, secmark_refcount_dec);
        set_to_cap_if_null(ops, req_classify_flow);
        set_to_cap_if_null(ops, tun_dev_create);
        set_to_cap_if_null(ops, tun_dev_post_create);
@@ -1117,7 +1061,6 @@ void security_fixup_ops(struct security_operations *ops)
        set_to_cap_if_null(ops, key_free);
        set_to_cap_if_null(ops, key_permission);
        set_to_cap_if_null(ops, key_getsecurity);
-       set_to_cap_if_null(ops, key_session_to_parent);
 #endif /* CONFIG_KEYS */
 #ifdef CONFIG_AUDIT
        set_to_cap_if_null(ops, audit_rule_init);