arch/um: Spelling fixes
[sfrench/cifs-2.6.git] / security / dummy.c
index 8ffd76405b5b69f0b61057be0ffc3fb2af6adb6a..48d4b0a52737b2e28a8fb2e32d589af2db2463f9 100644 (file)
@@ -15,7 +15,6 @@
 #undef DEBUG
 
 #include <linux/capability.h>
-#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/mman.h>
 #include <linux/pagemap.h>
@@ -38,15 +37,13 @@ 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 (!issecure(SECURE_NOROOT)) {
-               if (target->euid == 0) {
-                       *permitted |= (~0 & ~CAP_FS_MASK);
-                       *effective |= (~0 & ~CAP_TO_MASK(CAP_SETPCAP) & ~CAP_FS_MASK);
-               }
-               if (target->fsuid == 0) {
-                       *permitted |= CAP_FS_MASK;
-                       *effective |= CAP_FS_MASK;
-               }
+       if (target->euid == 0) {
+               *permitted |= (~0 & ~CAP_FS_MASK);
+               *effective |= (~0 & ~CAP_TO_MASK(CAP_SETPCAP) & ~CAP_FS_MASK);
+       }
+       if (target->fsuid == 0) {
+               *permitted |= CAP_FS_MASK;
+               *effective |= CAP_FS_MASK;
        }
        return 0;
 }
@@ -108,13 +105,13 @@ static int dummy_settime(struct timespec *ts, struct timezone *tz)
        return 0;
 }
 
-static int dummy_vm_enough_memory(long pages)
+static int dummy_vm_enough_memory(struct mm_struct *mm, long pages)
 {
        int cap_sys_admin = 0;
 
        if (dummy_capable(current, CAP_SYS_ADMIN) == 0)
                cap_sys_admin = 1;
-       return __vm_enough_memory(pages, cap_sys_admin);
+       return __vm_enough_memory(mm, pages, cap_sys_admin);
 }
 
 static int dummy_bprm_alloc_security (struct linux_binprm *bprm)
@@ -130,7 +127,7 @@ static void dummy_bprm_free_security (struct linux_binprm *bprm)
 static void dummy_bprm_apply_creds (struct linux_binprm *bprm, int unsafe)
 {
        if (bprm->e_uid != current->uid || bprm->e_gid != current->gid) {
-               current->mm->dumpable = suid_dumpable;
+               set_dumpable(current->mm, suid_dumpable);
 
                if ((unsafe & ~LSM_UNSAFE_PTRACE_CAP) && !capable(CAP_SETUID)) {
                        bprm->e_uid = current->uid;
@@ -228,22 +225,40 @@ static void dummy_sb_post_remount (struct vfsmount *mnt, unsigned long flags,
 }
 
 
-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, char ***mount_options,
+                                int **flags, int *num_opts)
 {
+       *mount_options = NULL;
+       *flags = NULL;
+       *num_opts = 0;
        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, char **mount_options,
+                                int *flags, int num_opts)
+{
+       if (unlikely(num_opts))
+               return -EOPNOTSUPP;
+       return 0;
+}
+
+static void dummy_sb_clone_mnt_opts(const struct super_block *oldsb,
+                                   struct super_block *newsb)
 {
        return;
 }
@@ -377,6 +392,16 @@ static int dummy_inode_removexattr (struct dentry *dentry, char *name)
        return 0;
 }
 
+static int dummy_inode_need_killpriv(struct dentry *dentry)
+{
+       return 0;
+}
+
+static int dummy_inode_killpriv(struct dentry *dentry)
+{
+       return 0;
+}
+
 static int dummy_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err)
 {
        return -EOPNOTSUPP;
@@ -392,11 +417,6 @@ static int dummy_inode_listsecurity(struct inode *inode, char *buffer, size_t bu
        return 0;
 }
 
-static const char *dummy_inode_xattr_getsuffix(void)
-{
-       return NULL;
-}
-
 static int dummy_file_permission (struct file *file, int mask)
 {
        return 0;
@@ -420,8 +440,12 @@ static int dummy_file_ioctl (struct file *file, unsigned int command,
 
 static int dummy_file_mmap (struct file *file, unsigned long reqprot,
                            unsigned long prot,
-                           unsigned long flags)
+                           unsigned long flags,
+                           unsigned long addr,
+                           unsigned long addr_only)
 {
+       if ((addr < mmap_min_addr) && !capable(CAP_SYS_RAWIO))
+               return -EACCES;
        return 0;
 }
 
@@ -459,6 +483,11 @@ static int dummy_file_receive (struct file *file)
        return 0;
 }
 
+static int dummy_dentry_open (struct file *file)
+{
+       return 0;
+}
+
 static int dummy_task_create (unsigned long clone_flags)
 {
        return 0;
@@ -897,11 +926,6 @@ static int dummy_register_security (const char *name, struct security_operations
        return -EINVAL;
 }
 
-static int dummy_unregister_security (const char *name, struct security_operations *ops)
-{
-       return -EINVAL;
-}
-
 static void dummy_d_instantiate (struct dentry *dentry, struct inode *inode)
 {
        return;
@@ -922,6 +946,11 @@ static int dummy_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
        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)
 {
 }
@@ -988,10 +1017,12 @@ void security_fixup_ops (struct security_operations *ops)
        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, inode_alloc_security);
        set_to_dummy_if_null(ops, inode_free_security);
        set_to_dummy_if_null(ops, inode_init_security);
@@ -1014,7 +1045,8 @@ void security_fixup_ops (struct security_operations *ops)
        set_to_dummy_if_null(ops, inode_getxattr);
        set_to_dummy_if_null(ops, inode_listxattr);
        set_to_dummy_if_null(ops, inode_removexattr);
-       set_to_dummy_if_null(ops, inode_xattr_getsuffix);
+       set_to_dummy_if_null(ops, inode_need_killpriv);
+       set_to_dummy_if_null(ops, inode_killpriv);
        set_to_dummy_if_null(ops, inode_getsecurity);
        set_to_dummy_if_null(ops, inode_setsecurity);
        set_to_dummy_if_null(ops, inode_listsecurity);
@@ -1029,6 +1061,7 @@ void security_fixup_ops (struct security_operations *ops)
        set_to_dummy_if_null(ops, file_set_fowner);
        set_to_dummy_if_null(ops, file_send_sigiotask);
        set_to_dummy_if_null(ops, file_receive);
+       set_to_dummy_if_null(ops, dentry_open);
        set_to_dummy_if_null(ops, task_create);
        set_to_dummy_if_null(ops, task_alloc_security);
        set_to_dummy_if_null(ops, task_free_security);
@@ -1074,11 +1107,11 @@ void security_fixup_ops (struct security_operations *ops)
        set_to_dummy_if_null(ops, netlink_send);
        set_to_dummy_if_null(ops, netlink_recv);
        set_to_dummy_if_null(ops, register_security);
-       set_to_dummy_if_null(ops, unregister_security);
        set_to_dummy_if_null(ops, d_instantiate);
        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);