1 files changed, 301 insertions, 180 deletions

diff --git a/include/linux/security.h b/include/linux/security.h
index e3d4ecda2673..b92b5e453f64 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -37,6 +37,10 @@
 /* Maximum number of letters for an LSM name string */
 #define SECURITY_NAME_MAX       10
 
+/* If capable should audit the security request */
+#define SECURITY_CAP_NOAUDIT 0
+#define SECURITY_CAP_AUDIT 1
+
 struct ctl_table;
 struct audit_krule;
 
@@ -44,25 +48,25 @@ struct audit_krule;
  * These functions are in security/capability.c and are used
  * as the default capabilities functions
  */
-extern int cap_capable(struct task_struct *tsk, int cap);
+extern int cap_capable(struct task_struct *tsk, int cap, int audit);
 extern int cap_settime(struct timespec *ts, struct timezone *tz);
 extern int cap_ptrace_may_access(struct task_struct *child, unsigned int mode);
 extern int cap_ptrace_traceme(struct task_struct *parent);
 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
-extern int cap_capset_check(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
-extern void cap_capset_set(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
-extern int cap_bprm_set_security(struct linux_binprm *bprm);
-extern void cap_bprm_apply_creds(struct linux_binprm *bprm, int unsafe);
+extern int cap_capset(struct cred *new, const struct cred *old,
+                      const kernel_cap_t *effective,
+                      const kernel_cap_t *inheritable,
+                      const kernel_cap_t *permitted);
+extern int cap_bprm_set_creds(struct linux_binprm *bprm);
 extern int cap_bprm_secureexec(struct linux_binprm *bprm);
 extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
                               const void *value, size_t size, int flags);
 extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
 extern int cap_inode_need_killpriv(struct dentry *dentry);
 extern int cap_inode_killpriv(struct dentry *dentry);
-extern int cap_task_post_setuid(uid_t old_ruid, uid_t old_euid, uid_t old_suid, int flags);
-extern void cap_task_reparent_to_init(struct task_struct *p);
+extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
 extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
-                          unsigned long arg4, unsigned long arg5, long *rc_p);
+                          unsigned long arg4, unsigned long arg5);
 extern int cap_task_setscheduler(struct task_struct *p, int policy, struct sched_param *lp);
 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
 extern int cap_task_setnice(struct task_struct *p, int nice);
@@ -105,7 +109,7 @@ extern unsigned long mmap_min_addr;
 struct sched_param;
 struct request_sock;
 
-/* bprm_apply_creds unsafe reasons */
+/* bprm->unsafe reasons */
 #define LSM_UNSAFE_SHARE        1
 #define LSM_UNSAFE_PTRACE       2
 #define LSM_UNSAFE_PTRACE_CAP   4
@@ -149,36 +153,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *
  * Security hooks for program execution operations.
  *
- * @bprm_alloc_security:
- *      Allocate and attach a security structure to the @bprm->security field.
- *      The security field is initialized to NULL when the bprm structure is
- *      allocated.
- *      @bprm contains the linux_binprm structure to be modified.
- *      Return 0 if operation was successful.
- * @bprm_free_security:
- *      @bprm contains the linux_binprm structure to be modified.
- *      Deallocate and clear the @bprm->security field.
- * @bprm_apply_creds:
- *      Compute and set the security attributes of a process being transformed
- *      by an execve operation based on the old attributes (current->security)
- *      and the information saved in @bprm->security by the set_security hook.
- *      Since this hook function (and its caller) are void, this hook can not
- *      return an error.  However, it can leave the security attributes of the
- *      process unchanged if an access failure occurs at this point.
- *      bprm_apply_creds is called under task_lock.  @unsafe indicates various
- *      reasons why it may be unsafe to change security state.
- *      @bprm contains the linux_binprm structure.
- * @bprm_post_apply_creds:
- *      Runs after bprm_apply_creds with the task_lock dropped, so that
- *      functions which cannot be called safely under the task_lock can
- *      be used.  This hook is a good place to perform state changes on
- *      the process such as closing open file descriptors to which access
- *      is no longer granted if the attributes were changed.
- *      Note that a security module might need to save state between
- *      bprm_apply_creds and bprm_post_apply_creds to store the decision
- *      on whether the process may proceed.
- *      @bprm contains the linux_binprm structure.
- * @bprm_set_security:
+ * @bprm_set_creds:
  *      Save security information in the bprm->security field, typically based
  *      on information about the bprm->file, for later use by the apply_creds
  *      hook.  This hook may also optionally check permissions (e.g. for
@@ -191,15 +166,30 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @bprm contains the linux_binprm structure.
  *      Return 0 if the hook is successful and permission is granted.
  * @bprm_check_security:
- *      This hook mediates the point when a search for a binary handler will
- *      begin.  It allows a check the @bprm->security value which is set in
- *      the preceding set_security call.  The primary difference from
- *      set_security is that the argv list and envp list are reliably
- *      available in @bprm.  This hook may be called multiple times
- *      during a single execve; and in each pass set_security is called
- *      first.
+ *      This hook mediates the point when a search for a binary handler will
+ *      begin.  It allows a check the @bprm->security value which is set in the
+ *      preceding set_creds call.  The primary difference from set_creds is
+ *      that the argv list and envp list are reliably available in @bprm.  This
+ *      hook may be called multiple times during a single execve; and in each
+ *      pass set_creds is called first.
  *      @bprm contains the linux_binprm structure.
  *      Return 0 if the hook is successful and permission is granted.
+ * @bprm_committing_creds:
+ *      Prepare to install the new security attributes of a process being
+ *      transformed by an execve operation, based on the old credentials
+ *      pointed to by @current->cred and the information set in @bprm->cred by
+ *      the bprm_set_creds hook.  @bprm points to the linux_binprm structure.
+ *      This hook is a good place to perform state changes on the process such
+ *      as closing open file descriptors to which access will no longer be
+ *      granted when the attributes are changed.  This is called immediately
+ *      before commit_creds().
+ * @bprm_committed_creds:
+ *      Tidy up after the installation of the new security attributes of a
+ *      process being transformed by an execve operation.  The new credentials
+ *      have, by this point, been set to @current->cred.  @bprm points to the
+ *      linux_binprm structure.  This hook is a good place to perform state
+ *      changes on the process such as clearing out non-inheritable signal
+ *      state.  This is called immediately after commit_creds().
  * @bprm_secureexec:
  *      Return a boolean value (0 or 1) indicating whether a "secure exec"
  *      is required.  The flag is passed in the auxiliary table
@@ -345,17 +335,37 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @dir contains the inode structure of the parent directory of the new link.
  *      @new_dentry contains the dentry structure for the new link.
  *      Return 0 if permission is granted.
+ * @path_link:
+ *      Check permission before creating a new hard link to a file.
+ *      @old_dentry contains the dentry structure for an existing link
+ *      to the file.
+ *      @new_dir contains the path structure of the parent directory of
+ *      the new link.
+ *      @new_dentry contains the dentry structure for the new link.
+ *      Return 0 if permission is granted.
  * @inode_unlink:
  *      Check the permission to remove a hard link to a file.
  *      @dir contains the inode structure of parent directory of the file.
  *      @dentry contains the dentry structure for file to be unlinked.
  *      Return 0 if permission is granted.
+ * @path_unlink:
+ *      Check the permission to remove a hard link to a file.
+ *      @dir contains the path structure of parent directory of the file.
+ *      @dentry contains the dentry structure for file to be unlinked.
+ *      Return 0 if permission is granted.
  * @inode_symlink:
  *      Check the permission to create a symbolic link to a file.
  *      @dir contains the inode structure of parent directory of the symbolic link.
  *      @dentry contains the dentry structure of the symbolic link.
  *      @old_name contains the pathname of file.
  *      Return 0 if permission is granted.
+ * @path_symlink:
+ *      Check the permission to create a symbolic link to a file.
+ *      @dir contains the path structure of parent directory of
+ *      the symbolic link.
+ *      @dentry contains the dentry structure of the symbolic link.
+ *      @old_name contains the pathname of file.
+ *      Return 0 if permission is granted.
  * @inode_mkdir:
  *      Check permissions to create a new directory in the existing directory
  *      associated with inode strcture @dir.
@@ -363,11 +373,25 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @dentry contains the dentry structure of new directory.
  *      @mode contains the mode of new directory.
  *      Return 0 if permission is granted.
+ * @path_mkdir:
+ *      Check permissions to create a new directory in the existing directory
+ *      associated with path strcture @path.
+ *      @dir containst the path structure of parent of the directory
+ *      to be created.
+ *      @dentry contains the dentry structure of new directory.
+ *      @mode contains the mode of new directory.
+ *      Return 0 if permission is granted.
  * @inode_rmdir:
  *      Check the permission to remove a directory.
  *      @dir contains the inode structure of parent of the directory to be removed.
  *      @dentry contains the dentry structure of directory to be removed.
  *      Return 0 if permission is granted.
+ * @path_rmdir:
+ *      Check the permission to remove a directory.
+ *      @dir contains the path structure of parent of the directory to be
+ *      removed.
+ *      @dentry contains the dentry structure of directory to be removed.
+ *      Return 0 if permission is granted.
  * @inode_mknod:
  *      Check permissions when creating a special file (or a socket or a fifo
  *      file created via the mknod system call).  Note that if mknod operation
@@ -378,6 +402,15 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @mode contains the mode of the new file.
  *      @dev contains the device number.
  *      Return 0 if permission is granted.
+ * @path_mknod:
+ *      Check permissions when creating a file. Note that this hook is called
+ *      even if mknod operation is being done for a regular file.
+ *      @dir contains the path structure of parent of the new file.
+ *      @dentry contains the dentry structure of the new file.
+ *      @mode contains the mode of the new file.
+ *      @dev contains the undecoded device number. Use new_decode_dev() to get
+ *      the decoded device number.
+ *      Return 0 if permission is granted.
  * @inode_rename:
  *      Check for permission to rename a file or directory.
  *      @old_dir contains the inode structure for parent of the old link.
@@ -385,6 +418,13 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @new_dir contains the inode structure for parent of the new link.
  *      @new_dentry contains the dentry structure of the new link.
  *      Return 0 if permission is granted.
+ * @path_rename:
+ *      Check for permission to rename a file or directory.
+ *      @old_dir contains the path structure for parent of the old link.
+ *      @old_dentry contains the dentry structure of the old link.
+ *      @new_dir contains the path structure for parent of the new link.
+ *      @new_dentry contains the dentry structure of the new link.
+ *      Return 0 if permission is granted.
  * @inode_readlink:
  *      Check the permission to read the symbolic link.
  *      @dentry contains the dentry structure for the file link.
@@ -413,6 +453,12 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @dentry contains the dentry structure for the file.
  *      @attr is the iattr structure containing the new file attributes.
  *      Return 0 if permission is granted.
+ * @path_truncate:
+ *      Check permission before truncating a file.
+ *      @path contains the path structure for the file.
+ *      @length is the new length of the file.
+ *      @time_attrs is the flags passed to do_truncate().
+ *      Return 0 if permission is granted.
  * @inode_getattr:
  *      Check permission before obtaining file attributes.
  *      @mnt is the vfsmount where the dentry was looked up
@@ -585,15 +631,31 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      manual page for definitions of the @clone_flags.
  *      @clone_flags contains the flags indicating what should be shared.
  *      Return 0 if permission is granted.
- * @task_alloc_security:
- *      @p contains the task_struct for child process.
- *      Allocate and attach a security structure to the p->security field. The
- *      security field is initialized to NULL when the task structure is
- *      allocated.
- *      Return 0 if operation was successful.
- * @task_free_security:
- *      @p contains the task_struct for process.
- *      Deallocate and clear the p->security field.
+ * @cred_free:
+ *      @cred points to the credentials.
+ *      Deallocate and clear the cred->security field in a set of credentials.
+ * @cred_prepare:
+ *      @new points to the new credentials.
+ *      @old points to the original credentials.
+ *      @gfp indicates the atomicity of any memory allocations.
+ *      Prepare a new set of credentials by copying the data from the old set.
+ * @cred_commit:
+ *      @new points to the new credentials.
+ *      @old points to the original credentials.
+ *      Install a new set of credentials.
+ * @kernel_act_as:
+ *      Set the credentials for a kernel service to act as (subjective context).
+ *      @new points to the credentials to be modified.
+ *      @secid specifies the security ID to be set
+ *      The current task must be the one that nominated @secid.
+ *      Return 0 if successful.
+ * @kernel_create_files_as:
+ *      Set the file creation context in a set of credentials to be the same as
+ *      the objective context of the specified inode.
+ *      @new points to the credentials to be modified.
+ *      @inode points to the inode to use as a reference.
+ *      The current task must be the one that nominated @inode.
+ *      Return 0 if successful.
  * @task_setuid:
  *      Check permission before setting one or more of the user identity
  *      attributes of the current process.  The @flags parameter indicates
@@ -606,15 +668,13 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @id2 contains a uid.
  *      @flags contains one of the LSM_SETID_* values.
  *      Return 0 if permission is granted.
- * @task_post_setuid:
+ * @task_fix_setuid:
  *      Update the module's state after setting one or more of the user
  *      identity attributes of the current process.  The @flags parameter
  *      indicates which of the set*uid system calls invoked this hook.  If
- *      @flags is LSM_SETID_FS, then @old_ruid is the old fs uid and the other
- *      parameters are not used.
- *      @old_ruid contains the old real uid (or fs uid if LSM_SETID_FS).
- *      @old_euid contains the old effective uid (or -1 if LSM_SETID_FS).
- *      @old_suid contains the old saved uid (or -1 if LSM_SETID_FS).
+ *      @new is the set of credentials that will be installed.  Modifications
+ *      should be made to this rather than to @current->cred.
+ *      @old is the set of credentials that are being replaces
  *      @flags contains one of the LSM_SETID_* values.
  *      Return 0 on success.
  * @task_setgid:
@@ -717,13 +777,8 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @arg3 contains a argument.
  *      @arg4 contains a argument.
  *      @arg5 contains a argument.
- *      @rc_p contains a pointer to communicate back the forced return code
- *      Return 0 if permission is granted, and non-zero if the security module
- *      has taken responsibility (setting *rc_p) for the prctl call.
- * @task_reparent_to_init:
- *      Set the security attributes in @p->security for a kernel thread that
- *      is being reparented to the init task.
- *      @p contains the task_struct for the kernel thread.
+ *      Return -ENOSYS if no-one wanted to handle this op, any other value to
+ *      cause prctl() to return immediately with that value.
  * @task_to_inode:
  *      Set the security attributes for an inode based on an associated task's
  *      security attributes, e.g. for /proc/pid inodes.
@@ -1000,7 +1055,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      See whether a specific operational right is granted to a process on a
  *      key.
  *      @key_ref refers to the key (key pointer + possession attribute bit).
- *      @context points to the process to provide the context against which to
+ *      @cred points to the credentials to provide the context against which to
  *      evaluate the security data on the key.
  *      @perm describes the combination of permissions required of this key.
  *      Return 1 if permission granted, 0 if permission denied and -ve it the
@@ -1162,6 +1217,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @child process.
  *      Security modules may also want to perform a process tracing check
  *      during an execve in the set_security or apply_creds hooks of
+ *      tracing check during an execve in the bprm_set_creds hook of
  *      binprm_security_ops if the process is being traced and its security
  *      attributes would be changed by the execve.
  *      @child contains the task_struct structure for the target process.
@@ -1185,29 +1241,15 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *      @inheritable contains the inheritable capability set.
  *      @permitted contains the permitted capability set.
  *      Return 0 if the capability sets were successfully obtained.
- * @capset_check:
- *      Check permission before setting the @effective, @inheritable, and
- *      @permitted capability sets for the @target process.
- *      Caveat:  @target is also set to current if a set of processes is
- *      specified (i.e. all processes other than current and init or a
- *      particular process group).  Hence, the capset_set hook may need to
- *      revalidate permission to the actual target process.
- *      @target contains the task_struct structure for target process.
- *      @effective contains the effective capability set.
- *      @inheritable contains the inheritable capability set.
- *      @permitted contains the permitted capability set.
- *      Return 0 if permission is granted.
- * @capset_set:
+ * @capset:
  *      Set the @effective, @inheritable, and @permitted capability sets for
- *      the @target process.  Since capset_check cannot always check permission
- *      to the real @target process, this hook may also perform permission
- *      checking to determine if the current process is allowed to set the
- *      capability sets of the @target process.  However, this hook has no way
- *      of returning an error due to the structure of the sys_capset code.
- *      @target contains the task_struct structure for target process.
+ *      the current process.
+ *      @new contains the new credentials structure for target process.
+ *      @old contains the current credentials structure for target process.
  *      @effective contains the effective capability set.
  *      @inheritable contains the inheritable capability set.
  *      @permitted contains the permitted capability set.
+ *      Return 0 and update @new if permission is granted.
  * @capable:
  *      Check whether the @tsk process has the @cap capability.
  *      @tsk contains the task_struct for the process.
@@ -1299,15 +1341,12 @@ struct security_operations {
         int (*capget) (struct task_struct *target,
                        kernel_cap_t *effective,
                        kernel_cap_t *inheritable, kernel_cap_t *permitted);
-        int (*capset_check) (struct task_struct *target,
-                             kernel_cap_t *effective,
-                             kernel_cap_t *inheritable,
-                             kernel_cap_t *permitted);
-        void (*capset_set) (struct task_struct *target,
-                            kernel_cap_t *effective,
-                            kernel_cap_t *inheritable,
-                            kernel_cap_t *permitted);
-        int (*capable) (struct task_struct *tsk, int cap);
+        int (*capset) (struct cred *new,
+                       const struct cred *old,
+                       const kernel_cap_t *effective,
+                       const kernel_cap_t *inheritable,
+                       const kernel_cap_t *permitted);
+        int (*capable) (struct task_struct *tsk, int cap, int audit);
         int (*acct) (struct file *file);
         int (*sysctl) (struct ctl_table *table, int op);
         int (*quotactl) (int cmds, int type, int id, struct super_block *sb);
@@ -1316,18 +1355,16 @@ struct security_operations {
         int (*settime) (struct timespec *ts, struct timezone *tz);
         int (*vm_enough_memory) (struct mm_struct *mm, long pages);
 
-        int (*bprm_alloc_security) (struct linux_binprm *bprm);
-        void (*bprm_free_security) (struct linux_binprm *bprm);
-        void (*bprm_apply_creds) (struct linux_binprm *bprm, int unsafe);
-        void (*bprm_post_apply_creds) (struct linux_binprm *bprm);
-        int (*bprm_set_security) (struct linux_binprm *bprm);
+        int (*bprm_set_creds) (struct linux_binprm *bprm);
         int (*bprm_check_security) (struct linux_binprm *bprm);
         int (*bprm_secureexec) (struct linux_binprm *bprm);
+        void (*bprm_committing_creds) (struct linux_binprm *bprm);
+        void (*bprm_committed_creds) (struct linux_binprm *bprm);
 
         int (*sb_alloc_security) (struct super_block *sb);
         void (*sb_free_security) (struct super_block *sb);
         int (*sb_copy_data) (char *orig, char *copy);
-        int (*sb_kern_mount) (struct super_block *sb, void *data);
+        int (*sb_kern_mount) (struct super_block *sb, int flags, void *data);
         int (*sb_show_options) (struct seq_file *m, struct super_block *sb);
         int (*sb_statfs) (struct dentry *dentry);
         int (*sb_mount) (char *dev_name, struct path *path,
@@ -1350,6 +1387,22 @@ struct security_operations {
                                    struct super_block *newsb);
         int (*sb_parse_opts_str) (char *options, struct security_mnt_opts *opts);
 
+#ifdef CONFIG_SECURITY_PATH
+        int (*path_unlink) (struct path *dir, struct dentry *dentry);
+        int (*path_mkdir) (struct path *dir, struct dentry *dentry, int mode);
+        int (*path_rmdir) (struct path *dir, struct dentry *dentry);
+        int (*path_mknod) (struct path *dir, struct dentry *dentry, int mode,
+                           unsigned int dev);
+        int (*path_truncate) (struct path *path, loff_t length,
+                              unsigned int time_attrs);
+        int (*path_symlink) (struct path *dir, struct dentry *dentry,
+                             const char *old_name);
+        int (*path_link) (struct dentry *old_dentry, struct path *new_dir,
+                          struct dentry *new_dentry);
+        int (*path_rename) (struct path *old_dir, struct dentry *old_dentry,
+                            struct path *new_dir, struct dentry *new_dentry);
+#endif
+
         int (*inode_alloc_security) (struct inode *inode);
         void (*inode_free_security) (struct inode *inode);
         int (*inode_init_security) (struct inode *inode, struct inode *dir,
@@ -1406,14 +1459,18 @@ struct security_operations {
         int (*file_send_sigiotask) (struct task_struct *tsk,
                                     struct fown_struct *fown, int sig);
         int (*file_receive) (struct file *file);
-        int (*dentry_open) (struct file *file);
+        int (*dentry_open) (struct file *file, const struct cred *cred);
 
         int (*task_create) (unsigned long clone_flags);
-        int (*task_alloc_security) (struct task_struct *p);
-        void (*task_free_security) (struct task_struct *p);
+        void (*cred_free) (struct cred *cred);
+        int (*cred_prepare)(struct cred *new, const struct cred *old,
+                            gfp_t gfp);
+        void (*cred_commit)(struct cred *new, const struct cred *old);
+        int (*kernel_act_as)(struct cred *new, u32 secid);
+        int (*kernel_create_files_as)(struct cred *new, struct inode *inode);
         int (*task_setuid) (uid_t id0, uid_t id1, uid_t id2, int flags);
-        int (*task_post_setuid) (uid_t old_ruid /* or fsuid */ ,
-                                 uid_t old_euid, uid_t old_suid, int flags);
+        int (*task_fix_setuid) (struct cred *new, const struct cred *old,
+                                int flags);
         int (*task_setgid) (gid_t id0, gid_t id1, gid_t id2, int flags);
         int (*task_setpgid) (struct task_struct *p, pid_t pgid);
         int (*task_getpgid) (struct task_struct *p);
@@ -1433,8 +1490,7 @@ struct security_operations {
         int (*task_wait) (struct task_struct *p);
         int (*task_prctl) (int option, unsigned long arg2,
                            unsigned long arg3, unsigned long arg4,
-                           unsigned long arg5, long *rc_p);
-        void (*task_reparent_to_init) (struct task_struct *p);
+                           unsigned long arg5);
         void (*task_to_inode) (struct task_struct *p, struct inode *inode);
 
         int (*ipc_permission) (struct kern_ipc_perm *ipcp, short flag);
@@ -1539,10 +1595,10 @@ struct security_operations {
 
         /* key management security hooks */
 #ifdef CONFIG_KEYS
-        int (*key_alloc) (struct key *key, struct task_struct *tsk, unsigned long flags);
+        int (*key_alloc) (struct key *key, const struct cred *cred, unsigned long flags);
         void (*key_free) (struct key *key);
         int (*key_permission) (key_ref_t key_ref,
-                               struct task_struct *context,
+                               const struct cred *cred,
                                key_perm_t perm);
         int (*key_getsecurity)(struct key *key, char **_buffer);
 #endif  /* CONFIG_KEYS */
@@ -1568,15 +1624,12 @@ int security_capget(struct task_struct *target,
                     kernel_cap_t *effective,
                     kernel_cap_t *inheritable,
                     kernel_cap_t *permitted);
-int security_capset_check(struct task_struct *target,
-                          kernel_cap_t *effective,
-                          kernel_cap_t *inheritable,
-                          kernel_cap_t *permitted);
-void security_capset_set(struct task_struct *target,
-                         kernel_cap_t *effective,
-                         kernel_cap_t *inheritable,
-                         kernel_cap_t *permitted);
+int security_capset(struct cred *new, const struct cred *old,
+                    const kernel_cap_t *effective,
+                    const kernel_cap_t *inheritable,
+                    const kernel_cap_t *permitted);
 int security_capable(struct task_struct *tsk, int cap);
+int security_capable_noaudit(struct task_struct *tsk, int cap);
 int security_acct(struct file *file);
 int security_sysctl(struct ctl_table *table, int op);
 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
@@ -1586,17 +1639,15 @@ int security_settime(struct timespec *ts, struct timezone *tz);
 int security_vm_enough_memory(long pages);
 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
 int security_vm_enough_memory_kern(long pages);
-int security_bprm_alloc(struct linux_binprm *bprm);
-void security_bprm_free(struct linux_binprm *bprm);
-void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe);
-void security_bprm_post_apply_creds(struct linux_binprm *bprm);
-int security_bprm_set(struct linux_binprm *bprm);
+int security_bprm_set_creds(struct linux_binprm *bprm);
 int security_bprm_check(struct linux_binprm *bprm);
+void security_bprm_committing_creds(struct linux_binprm *bprm);
+void security_bprm_committed_creds(struct linux_binprm *bprm);
 int security_bprm_secureexec(struct linux_binprm *bprm);
 int security_sb_alloc(struct super_block *sb);
 void security_sb_free(struct super_block *sb);
 int security_sb_copy_data(char *orig, char *copy);
-int security_sb_kern_mount(struct super_block *sb, void *data);
+int security_sb_kern_mount(struct super_block *sb, int flags, void *data);
 int security_sb_show_options(struct seq_file *m, struct super_block *sb);
 int security_sb_statfs(struct dentry *dentry);
 int security_sb_mount(char *dev_name, struct path *path,
@@ -1663,13 +1714,16 @@ int security_file_set_fowner(struct file *file);
 int security_file_send_sigiotask(struct task_struct *tsk,
                                  struct fown_struct *fown, int sig);
 int security_file_receive(struct file *file);
-int security_dentry_open(struct file *file);
+int security_dentry_open(struct file *file, const struct cred *cred);
 int security_task_create(unsigned long clone_flags);
-int security_task_alloc(struct task_struct *p);
-void security_task_free(struct task_struct *p);
+void security_cred_free(struct cred *cred);
+int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
+void security_commit_creds(struct cred *new, const struct cred *old);
+int security_kernel_act_as(struct cred *new, u32 secid);
+int security_kernel_create_files_as(struct cred *new, struct inode *inode);
 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags);
-int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
-                              uid_t old_suid, int flags);
+int security_task_fix_setuid(struct cred *new, const struct cred *old,
+                             int flags);
 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags);
 int security_task_setpgid(struct task_struct *p, pid_t pgid);
 int security_task_getpgid(struct task_struct *p);
@@ -1688,8 +1742,7 @@ int security_task_kill(struct task_struct *p, struct siginfo *info,
                         int sig, u32 secid);
 int security_task_wait(struct task_struct *p);
 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
-                         unsigned long arg4, unsigned long arg5, long *rc_p);
-void security_task_reparent_to_init(struct task_struct *p);
+                        unsigned long arg4, unsigned long arg5);
 void security_task_to_inode(struct task_struct *p, struct inode *inode);
 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
@@ -1764,25 +1817,23 @@ static inline int security_capget(struct task_struct *target,
         return cap_capget(target, effective, inheritable, permitted);
 }
 
-static inline int security_capset_check(struct task_struct *target,
-                                         kernel_cap_t *effective,
-                                         kernel_cap_t *inheritable,
-                                         kernel_cap_t *permitted)
+static inline int security_capset(struct cred *new,
+                                   const struct cred *old,
+                                   const kernel_cap_t *effective,
+                                   const kernel_cap_t *inheritable,
+                                   const kernel_cap_t *permitted)
 {
-        return cap_capset_check(target, effective, inheritable, permitted);
+        return cap_capset(new, old, effective, inheritable, permitted);
 }
 
-static inline void security_capset_set(struct task_struct *target,
-                                        kernel_cap_t *effective,
-                                        kernel_cap_t *inheritable,
-                                        kernel_cap_t *permitted)
+static inline int security_capable(struct task_struct *tsk, int cap)
 {
-        cap_capset_set(target, effective, inheritable, permitted);
+        return cap_capable(tsk, cap, SECURITY_CAP_AUDIT);
 }
 
-static inline int security_capable(struct task_struct *tsk, int cap)
+static inline int security_capable_noaudit(struct task_struct *tsk, int cap)
 {
-        return cap_capable(tsk, cap);
+        return cap_capable(tsk, cap, SECURITY_CAP_NOAUDIT);
 }
 
 static inline int security_acct(struct file *file)
@@ -1835,32 +1886,22 @@ static inline int security_vm_enough_memory_kern(long pages)
         return cap_vm_enough_memory(current->mm, pages);
 }
 
-static inline int security_bprm_alloc(struct linux_binprm *bprm)
-{
-        return 0;
-}
-
-static inline void security_bprm_free(struct linux_binprm *bprm)
-{ }
-
-static inline void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
+static inline int security_bprm_set_creds(struct linux_binprm *bprm)
 {
-        cap_bprm_apply_creds(bprm, unsafe);
+        return cap_bprm_set_creds(bprm);
 }
 
-static inline void security_bprm_post_apply_creds(struct linux_binprm *bprm)
+static inline int security_bprm_check(struct linux_binprm *bprm)
 {
-        return;
+        return 0;
 }
 
-static inline int security_bprm_set(struct linux_binprm *bprm)
+static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
 {
-        return cap_bprm_set_security(bprm);
 }
 
-static inline int security_bprm_check(struct linux_binprm *bprm)
+static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
 {
-        return 0;
 }
 
 static inline int security_bprm_secureexec(struct linux_binprm *bprm)
@@ -1881,7 +1922,7 @@ static inline int security_sb_copy_data(char *orig, char *copy)
         return 0;
 }
 
-static inline int security_sb_kern_mount(struct super_block *sb, void *data)
+static inline int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
 {
         return 0;
 }
@@ -2177,7 +2218,8 @@ static inline int security_file_receive(struct file *file)
         return 0;
 }
 
-static inline int security_dentry_open(struct file *file)
+static inline int security_dentry_open(struct file *file,
+                                       const struct cred *cred)
 {
         return 0;
 }
@@ -2187,13 +2229,31 @@ static inline int security_task_create(unsigned long clone_flags)
         return 0;
 }
 
-static inline int security_task_alloc(struct task_struct *p)
+static inline void security_cred_free(struct cred *cred)
+{ }
+
+static inline int security_prepare_creds(struct cred *new,
+                                         const struct cred *old,
+                                         gfp_t gfp)
 {
         return 0;
 }
 
-static inline void security_task_free(struct task_struct *p)
-{ }
+static inline void security_commit_creds(struct cred *new,
+                                         const struct cred *old)
+{
+}
+
+static inline int security_kernel_act_as(struct cred *cred, u32 secid)
+{
+        return 0;
+}
+
+static inline int security_kernel_create_files_as(struct cred *cred,
+                                                  struct inode *inode)
+{
+        return 0;
+}
 
 static inline int security_task_setuid(uid_t id0, uid_t id1, uid_t id2,
                                        int flags)
@@ -2201,10 +2261,11 @@ static inline int security_task_setuid(uid_t id0, uid_t id1, uid_t id2,
         return 0;
 }
 
-static inline int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
-                                            uid_t old_suid, int flags)
+static inline int security_task_fix_setuid(struct cred *new,
+                                           const struct cred *old,
+                                           int flags)
 {
-        return cap_task_post_setuid(old_ruid, old_euid, old_suid, flags);
+        return cap_task_fix_setuid(new, old, flags);
 }
 
 static inline int security_task_setgid(gid_t id0, gid_t id1, gid_t id2,
@@ -2291,14 +2352,9 @@ static inline int security_task_wait(struct task_struct *p)
 static inline int security_task_prctl(int option, unsigned long arg2,
                                       unsigned long arg3,
                                       unsigned long arg4,
-                                      unsigned long arg5, long *rc_p)
+                                      unsigned long arg5)
 {
-        return cap_task_prctl(option, arg2, arg3, arg3, arg5, rc_p);
-}
-
-static inline void security_task_reparent_to_init(struct task_struct *p)
-{
-        cap_task_reparent_to_init(p);
+        return cap_task_prctl(option, arg2, arg3, arg3, arg5);
 }
 
 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
@@ -2721,19 +2777,84 @@ static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi
 
 #endif  /* CONFIG_SECURITY_NETWORK_XFRM */
 
+#ifdef CONFIG_SECURITY_PATH
+int security_path_unlink(struct path *dir, struct dentry *dentry);
+int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode);
+int security_path_rmdir(struct path *dir, struct dentry *dentry);
+int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
+                        unsigned int dev);
+int security_path_truncate(struct path *path, loff_t length,
+                           unsigned int time_attrs);
+int security_path_symlink(struct path *dir, struct dentry *dentry,
+                          const char *old_name);
+int security_path_link(struct dentry *old_dentry, struct path *new_dir,
+                       struct dentry *new_dentry);
+int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
+                         struct path *new_dir, struct dentry *new_dentry);
+#else   /* CONFIG_SECURITY_PATH */
+static inline int security_path_unlink(struct path *dir, struct dentry *dentry)
+{
+        return 0;
+}
+
+static inline int security_path_mkdir(struct path *dir, struct dentry *dentry,
+                                      int mode)
+{
+        return 0;
+}
+
+static inline int security_path_rmdir(struct path *dir, struct dentry *dentry)
+{
+        return 0;
+}
+
+static inline int security_path_mknod(struct path *dir, struct dentry *dentry,
+                                      int mode, unsigned int dev)
+{
+        return 0;
+}
+
+static inline int security_path_truncate(struct path *path, loff_t length,
+                                         unsigned int time_attrs)
+{
+        return 0;
+}
+
+static inline int security_path_symlink(struct path *dir, struct dentry *dentry,
+                                        const char *old_name)
+{
+        return 0;
+}
+
+static inline int security_path_link(struct dentry *old_dentry,
+                                     struct path *new_dir,
+                                     struct dentry *new_dentry)
+{
+        return 0;
+}
+
+static inline int security_path_rename(struct path *old_dir,
+                                       struct dentry *old_dentry,
+                                       struct path *new_dir,
+                                       struct dentry *new_dentry)
+{
+        return 0;
+}
+#endif  /* CONFIG_SECURITY_PATH */
+
 #ifdef CONFIG_KEYS
 #ifdef CONFIG_SECURITY
 
-int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags);
+int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
 void security_key_free(struct key *key);
 int security_key_permission(key_ref_t key_ref,
-                            struct task_struct *context, key_perm_t perm);
+                            const struct cred *cred, key_perm_t perm);
 int security_key_getsecurity(struct key *key, char **_buffer);
 
 #else
 
 static inline int security_key_alloc(struct key *key,
-                                     struct task_struct *tsk,
+                                     const struct cred *cred,
                                      unsigned long flags)
 {
         return 0;
@@ -2744,7 +2865,7 @@ static inline void security_key_free(struct key *key)
 }
 
 static inline int security_key_permission(key_ref_t key_ref,
-                                          struct task_struct *context,
+                                          const struct cred *cred,
                                           key_perm_t perm)
 {
         return 0;