#include <linux/resource.h>
#include <linux/sem.h>
#include <linux/shm.h>
+#include <linux/mm.h> /* PAGE_ALIGN */
#include <linux/msg.h>
#include <linux/sched.h>
#include <linux/key.h>
#include <linux/xfrm.h>
+#include <linux/slab.h>
#include <net/flow.h>
-extern unsigned securebits;
-
/* 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;
* 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_settime (struct timespec *ts, struct timezone *tz);
-extern int cap_ptrace (struct task_struct *parent, struct task_struct *child);
-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_capable(struct task_struct *tsk, const struct cred *cred,
+ int cap, int audit);
+extern int cap_settime(struct timespec *ts, struct timezone *tz);
+extern int cap_ptrace_access_check(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(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, char *name, void *value, size_t size, int flags);
-extern int cap_inode_removexattr(struct dentry *dentry, char *name);
+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_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);
-extern int cap_syslog (int type);
+extern int cap_file_mmap(struct file *file, unsigned long reqprot,
+ unsigned long prot, unsigned long flags,
+ unsigned long addr, unsigned long addr_only);
+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);
+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);
+extern int cap_syslog(int type, bool from_file);
extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
struct msghdr;
struct xfrm_policy;
struct xfrm_state;
struct xfrm_user_sec_ctx;
+struct seq_file;
extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb);
extern int cap_netlink_recv(struct sk_buff *skb, int cap);
+void reset_security_ops(void);
+
+#ifdef CONFIG_MMU
extern unsigned long mmap_min_addr;
+extern unsigned long dac_mmap_min_addr;
+#else
+#define dac_mmap_min_addr 0UL
+#endif
+
/*
* Values used in the task_security_ops calls
*/
#define LSM_SETID_FS 8
/* forward declares to avoid warnings */
-struct nfsctl_arg;
struct sched_param;
-struct swap_info_struct;
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
+#ifdef CONFIG_MMU
+/*
+ * If a hint addr is less than mmap_min_addr change hint to be as
+ * low as possible but still greater than mmap_min_addr
+ */
+static inline unsigned long round_hint_to_min(unsigned long hint)
+{
+ hint &= PAGE_MASK;
+ if (((void *)hint != NULL) &&
+ (hint < mmap_min_addr))
+ return PAGE_ALIGN(mmap_min_addr);
+ return hint;
+}
+extern int mmap_min_addr_handler(struct ctl_table *table, int write,
+ void __user *buffer, size_t *lenp, loff_t *ppos);
+#endif
+
#ifdef CONFIG_SECURITY
struct security_mnt_opts {
{
int i;
if (opts->mnt_opts)
- for(i = 0; i < opts->num_mnt_opts; i++)
+ for (i = 0; i < opts->num_mnt_opts; i++)
kfree(opts->mnt_opts[i]);
kfree(opts->mnt_opts);
opts->mnt_opts = NULL;
*
* 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
* @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.
- * @bprm contains the linux_binprm structure.
+ * 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
- * on the initial stack to the ELF interpreter to indicate whether libc
- * should enable secure mode.
- * @bprm contains the linux_binprm structure.
+ * Return a boolean value (0 or 1) indicating whether a "secure exec"
+ * is required. The flag is passed in the auxiliary table
+ * on the initial stack to the ELF interpreter to indicate whether libc
+ * should enable secure mode.
+ * @bprm contains the linux_binprm structure.
*
* Security hooks for filesystem operations.
*
* Check permission before obtaining filesystem statistics for the @mnt
* mountpoint.
* @dentry is a handle on the superblock for the filesystem.
- * Return 0 if permission is granted.
+ * Return 0 if permission is granted.
* @sb_mount:
* Check permission before an object specified by @dev_name is mounted on
* the mount point named by @nd. For an ordinary mount, @dev_name
* @orig the original mount data copied from userspace.
* @copy copied data which will be passed to the security module.
* Returns 0 if the copy was successful.
- * @sb_check_sb:
- * Check permission before the device with superblock @mnt->sb is mounted
- * on the mount point named by @nd.
- * @mnt contains the vfsmount for device being mounted.
- * @path contains the path for the mount point.
- * Return 0 if permission is granted.
* @sb_umount:
* Check permission before the @mnt file system is unmounted.
* @mnt contains the mounted file system.
* @flags contains the unmount flags, e.g. MNT_FORCE.
* Return 0 if permission is granted.
- * @sb_umount_close:
- * Close any files in the @mnt mounted filesystem that are held open by
- * the security module. This hook is called during an umount operation
- * prior to checking whether the filesystem is still busy.
- * @mnt contains the mounted filesystem.
- * @sb_umount_busy:
- * Handle a failed umount of the @mnt mounted filesystem, e.g. re-opening
- * any files that were closed by umount_close. This hook is called during
- * an umount operation if the umount fails after a call to the
- * umount_close hook.
- * @mnt contains the mounted filesystem.
- * @sb_post_remount:
- * Update the security module's state when a filesystem is remounted.
- * This hook is only called if the remount was successful.
- * @mnt contains the mounted file system.
- * @flags contains the new filesystem flags.
- * @data contains the filesystem-specific data.
- * @sb_post_addmount:
- * Update the security module's state when a filesystem is mounted.
- * This hook is called any time a mount is successfully grafetd to
- * the tree.
- * @mnt contains the mounted filesystem.
- * @mountpoint contains the path for the mount point.
* @sb_pivotroot:
* Check permission before pivoting the root filesystem.
* @old_path contains the path for the new location of the current root (put_old).
- * @new_path contains the path for the new root (new_root).
- * Return 0 if permission is granted.
- * @sb_post_pivotroot:
- * Update module state after a successful pivot.
- * @old_path contains the path for the old root.
- * @new_path contains the path for the new root.
- * @sb_get_mnt_opts:
- * Get the security relevant mount options used for a superblock
- * @sb the superblock to get security mount options from
- * @opts binary data structure containing all lsm mount data
+ * @new_path contains the path for the new root (new_root).
+ * Return 0 if permission is granted.
* @sb_set_mnt_opts:
* Set the security relevant mount options used for a superblock
* @sb the superblock to set security mount options for
* @inode_free_security:
* @inode contains the inode structure.
* Deallocate the inode security structure and set @inode->i_security to
- * NULL.
+ * NULL.
* @inode_init_security:
- * Obtain the security attribute name suffix and value to set on a newly
+ * Obtain the security attribute name suffix and value to set on a newly
* created inode and set up the incore security field for the new inode.
* This hook is called by the fs code as part of the inode creation
* transaction and provides for atomic labeling of the inode, unlike
* @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.
+ * 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.
+ * associated with inode strcture @dir.
* @dir containst the inode 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.
+ * @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
* @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.
* @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.
+ * @path_chmod:
+ * Check for permission to change DAC's permission of a file or directory.
+ * @dentry contains the dentry structure.
+ * @mnt contains the vfsmnt structure.
+ * @mode contains DAC's mode.
+ * Return 0 if permission is granted.
+ * @path_chown:
+ * Check for permission to change owner/group of a file or directory.
+ * @path contains the path structure.
+ * @uid contains new owner's ID.
+ * @gid contains new group's ID.
+ * Return 0 if permission is granted.
+ * @path_chroot:
+ * Check for permission to change root directory.
+ * @path contains the path structure.
+ * 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.
* called when the actual read/write operations are performed.
* @inode contains the inode structure to check.
* @mask contains the permission mask.
- * @nd contains the nameidata (may be NULL).
+ * @nd contains the nameidata (may be NULL).
* Return 0 if permission is granted.
* @inode_setattr:
* Check permission before setting file attributes. Note that the kernel
* @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
* @dentry contains the dentry structure for the file.
* Return 0 if permission is granted.
- * @inode_delete:
- * @inode contains the inode structure for deleted inode.
- * This hook is called when a deleted inode is released (i.e. an inode
- * with no hard links has its use count drop to zero). A security module
- * can use this hook to release any persistent label associated with the
- * inode.
* @inode_setxattr:
- * Check permission before setting the extended attributes
- * @value identified by @name for @dentry.
- * Return 0 if permission is granted.
+ * Check permission before setting the extended attributes
+ * @value identified by @name for @dentry.
+ * Return 0 if permission is granted.
* @inode_post_setxattr:
- * Update inode security field after successful setxattr operation.
- * @value identified by @name for @dentry.
+ * Update inode security field after successful setxattr operation.
+ * @value identified by @name for @dentry.
* @inode_getxattr:
- * Check permission before obtaining the extended attributes
- * identified by @name for @dentry.
- * Return 0 if permission is granted.
+ * Check permission before obtaining the extended attributes
+ * identified by @name for @dentry.
+ * Return 0 if permission is granted.
* @inode_listxattr:
- * Check permission before obtaining the list of extended attribute
- * names for @dentry.
- * Return 0 if permission is granted.
+ * Check permission before obtaining the list of extended attribute
+ * names for @dentry.
+ * Return 0 if permission is granted.
* @inode_removexattr:
- * Check permission before removing the extended attribute
- * identified by @name for @dentry.
- * Return 0 if permission is granted.
+ * Check permission before removing the extended attribute
+ * identified by @name for @dentry.
+ * Return 0 if permission is granted.
* @inode_getsecurity:
* Retrieve a copy of the extended attribute representation of the
* security label associated with @name for @inode via @buffer. Note that
* Set the security label associated with @name for @inode from the
* extended attribute value @value. @size indicates the size of the
* @value in bytes. @flags may be XATTR_CREATE, XATTR_REPLACE, or 0.
- * Note that @name is the remainder of the attribute name after the
+ * Note that @name is the remainder of the attribute name after the
* security. prefix has been removed.
* Return 0 on success.
* @inode_listsecurity:
* struct file, so the file structure (and associated security information)
* can always be obtained:
* container_of(fown, struct file, f_owner)
- * @tsk contains the structure of task receiving signal.
+ * @tsk contains the structure of task receiving signal.
* @fown contains the file owner information.
* @sig is the signal that will be sent. When 0, kernel sends SIGIO.
* Return 0 if permission is granted.
* 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.
- * @task_setuid:
- * Check permission before 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 and how to
- * interpret the @id0, @id1, and @id2 parameters. See the LSM_SETID
- * definitions at the beginning of this file for the @flags values and
- * their meanings.
- * @id0 contains a uid.
- * @id1 contains a uid.
- * @id2 contains a uid.
- * @flags contains one of the LSM_SETID_* values.
- * Return 0 if permission is granted.
- * @task_post_setuid:
+ * @cred_alloc_blank:
+ * @cred points to the credentials.
+ * @gfp indicates the atomicity of any memory allocations.
+ * Only allocate sufficient memory and attach to @cred such that
+ * cred_transfer() will not get ENOMEM.
+ * @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_transfer:
+ * @new points to the new credentials.
+ * @old points to the original credentials.
+ * Transfer data from original creds to new creds
+ * @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.
+ * @kernel_module_request:
+ * Ability to trigger the kernel to automatically upcall to userspace for
+ * userspace to load a kernel module with the given name.
+ * @kmod_name name of the module requested by the kernel
+ * Return 0 if successful.
+ * @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:
- * Check permission before setting one or more of the group identity
- * attributes of the current process. The @flags parameter indicates
- * which of the set*gid system calls invoked this hook and how to
- * interpret the @id0, @id1, and @id2 parameters. See the LSM_SETID
- * definitions at the beginning of this file for the @flags values and
- * their meanings.
- * @id0 contains a gid.
- * @id1 contains a gid.
- * @id2 contains a gid.
- * @flags contains one of the LSM_SETID_* values.
- * Return 0 if permission is granted.
* @task_setpgid:
* Check permission before setting the process group identifier of the
* process @p to @pgid.
* @p contains the task_struct for the process and place is into @secid.
* In case of failure, @secid will be set to zero.
*
- * @task_setgroups:
- * Check permission before setting the supplementary group set of the
- * current process.
- * @group_info contains the new group information.
- * Return 0 if permission is granted.
* @task_setnice:
* Check permission before setting the nice value of @p to @nice.
* @p contains the task_struct of process.
* @arg3 contains a argument.
* @arg4 contains a argument.
* @arg5 contains a argument.
- * Return 0 if permission is granted.
- * @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.
+ * Set the security attributes for an inode based on an associated task's
+ * security attributes, e.g. for /proc/pid inodes.
* @p contains the task_struct for the task.
* @inode contains the inode structure for the inode.
*
* Save security information for a netlink message so that permission
* checking can be performed when the message is processed. The security
* information can be saved using the eff_cap field of the
- * netlink_skb_parms structure. Also may be used to provide fine
+ * netlink_skb_parms structure. Also may be used to provide fine
* grained control over message transmission.
* @sk associated sock of task sending the message.,
* @skb contains the sk_buff structure for the netlink message.
* @sock contains the socket structure.
* @address contains the address to bind to.
* @addrlen contains the length of address.
- * Return 0 if permission is granted.
+ * Return 0 if permission is granted.
* @socket_connect:
* Check permission before socket protocol layer connect operation
* attempts to connect socket @sock to a remote address, @address.
* @sock contains the socket structure.
* @address contains the address of remote endpoint.
* @addrlen contains the length of address.
- * Return 0 if permission is granted.
+ * Return 0 if permission is granted.
* @socket_listen:
* Check permission before socket protocol layer listen operation.
* @sock contains the socket structure.
* @sock contains the listening socket structure.
* @newsock contains the newly created server socket for connection.
* Return 0 if permission is granted.
- * @socket_post_accept:
- * This hook allows a security module to copy security
- * information into the newly created socket's inode.
- * @sock contains the listening socket structure.
- * @newsock contains the newly created server socket for connection.
* @socket_sendmsg:
* Check permission before transmitting a message to another socket.
* @sock contains the socket structure.
* @msg contains the message structure.
* @size contains the size of message structure.
* @flags contains the operational flags.
- * Return 0 if permission is granted.
+ * Return 0 if permission is granted.
* @socket_getsockname:
* Check permission before the local address (name) of the socket object
* @sock is retrieved.
* @sock contains the socket structure.
* @level contains the protocol level to set options for.
* @optname contains the name of the option to set.
- * Return 0 if permission is granted.
+ * Return 0 if permission is granted.
* @socket_shutdown:
* Checks permission before all or part of a connection on the socket
* @sock is shut down.
* Check permissions on incoming network packets. This hook is distinct
* from Netfilter's IP input hooks since it is the first time that the
* incoming sk_buff @skb has been associated with a particular socket, @sk.
+ * Must not sleep inside this hook because some callers hold spinlocks.
* @sk contains the sock (not socket) associated with the incoming sk_buff.
* @skb contains the incoming network data.
* @socket_getpeersec_stream:
* Return 0 if all is well, otherwise, typical getsockopt return
* values.
* @socket_getpeersec_dgram:
- * This hook allows the security module to provide peer socket security
- * state for udp sockets on a per-packet basis to userspace via
- * getsockopt SO_GETPEERSEC. The application must first have indicated
- * the IP_PASSSEC option via getsockopt. It can then retrieve the
- * security state returned by this hook for a packet via the SCM_SECURITY
- * ancillary message type.
- * @skb is the skbuff for the packet being queried
- * @secdata is a pointer to a buffer in which to copy the security data
- * @seclen is the maximum length for @secdata
- * Return 0 on success, error on failure.
+ * This hook allows the security module to provide peer socket security
+ * state for udp sockets on a per-packet basis to userspace via
+ * getsockopt SO_GETPEERSEC. The application must first have indicated
+ * the IP_PASSSEC option via getsockopt. It can then retrieve the
+ * security state returned by this hook for a packet via the SCM_SECURITY
+ * ancillary message type.
+ * @skb is the skbuff for the packet being queried
+ * @secdata is a pointer to a buffer in which to copy the security data
+ * @seclen is the maximum length for @secdata
+ * Return 0 on success, error on failure.
* @sk_alloc_security:
- * Allocate and attach a security structure to the sk->sk_security field,
- * which is used to copy security attributes between local stream sockets.
+ * Allocate and attach a security structure to the sk->sk_security field,
+ * which is used to copy security attributes between local stream sockets.
* @sk_free_security:
* Deallocate security structure.
* @sk_clone_security:
* @inet_csk_clone:
* Sets the new child socket's sid to the openreq sid.
* @inet_conn_established:
- * Sets the connection's peersid to the secmark on skb.
+ * Sets the connection's peersid to the secmark on skb.
* @req_classify_flow:
* Sets the flow's sid to the openreq sid.
+ * @tun_dev_create:
+ * Check permissions prior to creating a new TUN device.
+ * @tun_dev_post_create:
+ * This hook allows a module to update or allocate a per-socket security
+ * structure.
+ * @sk contains the newly created sock structure.
+ * @tun_dev_attach:
+ * Check permissions prior to attaching to a persistent TUN device. This
+ * hook can also be used by the module to update any security state
+ * associated with the TUN device's sock structure.
+ * @sk contains the existing sock structure.
*
* Security hooks for XFRM operations.
*
* No return value.
* @key_permission:
* See whether a specific operational right is granted to a process on a
- * key.
+ * key.
* @key_ref refers to the key (key pointer + possession attribute bit).
- * @context points to the process to provide the context against which to
- * evaluate the security data on the key.
+ * @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
- * normal permissions model should be effected.
+ * normal permissions model should be effected.
+ * @key_getsecurity:
+ * Get a textual representation of the security context attached to a key
+ * for the purposes of honouring KEYCTL_GETSECURITY. This function
+ * allocates the storage for the NUL-terminated string and the caller
+ * should free it.
+ * @key points to the key to be queried.
+ * @_buffer points to a pointer that should be set to point to the
+ * resulting string (if no label or an error occurs).
+ * Return the length of the string (including terminating NUL) or -ve if
+ * an error.
+ * May also return 0 (and a NULL buffer pointer) if there is no label.
*
* Security hooks affecting all System V IPC operations.
*
* The @msq may be NULL, e.g. for IPC_INFO or MSG_INFO.
* @msq contains the message queue to act upon. May be NULL.
* @cmd contains the operation to be performed.
- * Return 0 if permission is granted.
+ * Return 0 if permission is granted.
* @msg_queue_msgsnd:
* Check permission before a message, @msg, is enqueued on the message
* queue, @msq.
* Return 0 if permission is granted.
* @msg_queue_msgrcv:
* Check permission before a message, @msg, is removed from the message
- * queue, @msq. The @target task structure contains a pointer to the
- * process that will be receiving the message (not equal to the current
+ * queue, @msq. The @target task structure contains a pointer to the
+ * process that will be receiving the message (not equal to the current
* process when inline receives are being performed).
* @msq contains the message queue to retrieve message from.
* @msg contains the message destination.
* Return 0 if permission is granted.
* @sem_semctl:
* Check permission when a semaphore operation specified by @cmd is to be
- * performed on the semaphore @sma. The @sma may be NULL, e.g. for
+ * performed on the semaphore @sma. The @sma may be NULL, e.g. for
* IPC_INFO or SEM_INFO.
* @sma contains the semaphore structure. May be NULL.
* @cmd contains the operation to be performed.
* Return 0 if permission is granted.
* @sem_semop
* Check permissions before performing operations on members of the
- * semaphore set @sma. If the @alter flag is nonzero, the semaphore set
- * may be modified.
+ * semaphore set @sma. If the @alter flag is nonzero, the semaphore set
+ * may be modified.
* @sma contains the semaphore structure.
* @sops contains the operations to perform.
* @nsops contains the number of operations to perform.
* @alter contains the flag indicating whether changes are to be made.
* Return 0 if permission is granted.
*
- * @ptrace:
- * Check permission before allowing the @parent process to trace the
+ * @ptrace_access_check:
+ * Check permission before allowing the current process to trace the
* @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.
- * @parent contains the task_struct structure for parent process.
- * @child contains the task_struct structure for child process.
+ * @child contains the task_struct structure for the target process.
+ * @mode contains the PTRACE_MODE flags indicating the form of access.
+ * Return 0 if permission is granted.
+ * @ptrace_traceme:
+ * Check that the @parent process has sufficient permission to trace the
+ * current process before allowing the current process to present itself
+ * to the @parent process for tracing.
+ * The parent process will still have to undergo the ptrace_access_check
+ * checks before it is allowed to trace this one.
+ * @parent contains the task_struct structure for debugger process.
* Return 0 if permission is granted.
* @capget:
* Get the @effective, @inheritable, and @permitted capability sets for
* @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.
+ * Check whether the @tsk process has the @cap capability in the indicated
+ * credentials.
* @tsk contains the task_struct for the process.
+ * @cred contains the credentials to use.
* @cap contains the capability <include/linux/capability.h>.
+ * @audit: Whether to write an audit message or not
* Return 0 if the capability is granted for @tsk.
- * @acct:
- * Check permission before enabling or disabling process accounting. If
- * accounting is being enabled, then @file refers to the open file used to
- * store accounting records. If accounting is being disabled, then @file
- * is NULL.
- * @file contains the file structure for the accounting file (may be NULL).
- * Return 0 if permission is granted.
* @sysctl:
* Check permission before accessing the @table sysctl variable in the
* manner specified by @op.
* @syslog:
* Check permission before accessing the kernel message ring or changing
* logging to the console.
- * See the syslog(2) manual page for an explanation of the @type values.
+ * See the syslog(2) manual page for an explanation of the @type values.
* @type contains the type of action.
+ * @from_file indicates the context of action (if it came from /proc).
* Return 0 if permission is granted.
* @settime:
* Check permission to change the system time.
* @vm_enough_memory:
* Check permissions for allocating a new virtual mapping.
* @mm contains the mm struct it is being added to.
- * @pages contains the number of pages.
+ * @pages contains the number of pages.
* Return 0 if permission is granted.
*
- * @register_security:
- * allow module stacking.
- * @name contains the name of the security module being stacked.
- * @ops contains a pointer to the struct security_operations of the module to stack.
- *
* @secid_to_secctx:
* Convert secid to security context.
* @secid contains the security ID.
* @secdata contains the pointer that stores the converted security context.
* @secctx_to_secid:
- * Convert security context to secid.
- * @secid contains the pointer to the generated security ID.
- * @secdata contains the security context.
+ * Convert security context to secid.
+ * @secid contains the pointer to the generated security ID.
+ * @secdata contains the security context.
*
* @release_secctx:
* Release the security context.
* audit_rule_init.
* @rule contains the allocated rule
*
+ * @inode_notifysecctx:
+ * Notify the security module of what the security context of an inode
+ * should be. Initializes the incore security context managed by the
+ * security module for this inode. Example usage: NFS client invokes
+ * this hook to initialize the security context in its incore inode to the
+ * value provided by the server for the file when the server returned the
+ * file's attributes to the client.
+ *
+ * Must be called with inode->i_mutex locked.
+ *
+ * @inode we wish to set the security context of.
+ * @ctx contains the string which we wish to set in the inode.
+ * @ctxlen contains the length of @ctx.
+ *
+ * @inode_setsecctx:
+ * Change the security context of an inode. Updates the
+ * incore security context managed by the security module and invokes the
+ * fs code as needed (via __vfs_setxattr_noperm) to update any backing
+ * xattrs that represent the context. Example usage: NFS server invokes
+ * this hook to change the security context in its incore inode and on the
+ * backing filesystem to a value provided by the client on a SETATTR
+ * operation.
+ *
+ * Must be called with inode->i_mutex locked.
+ *
+ * @dentry contains the inode we wish to set the security context of.
+ * @ctx contains the string which we wish to set in the inode.
+ * @ctxlen contains the length of @ctx.
+ *
+ * @inode_getsecctx:
+ * Returns a string containing all relavent security context information
+ *
+ * @inode we wish to set the security context of.
+ * @ctx is a pointer in which to place the allocated security context.
+ * @ctxlen points to the place to put the length of @ctx.
* This is the main security structure.
*/
struct security_operations {
char name[SECURITY_NAME_MAX + 1];
- int (*ptrace) (struct task_struct * parent, struct task_struct * child);
- 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 (*acct) (struct file * file);
- int (*sysctl) (struct ctl_table * table, int op);
- int (*quotactl) (int cmds, int type, int id, struct super_block * sb);
- int (*quota_on) (struct dentry * dentry);
- int (*syslog) (int type);
+ int (*ptrace_access_check) (struct task_struct *child, unsigned int mode);
+ int (*ptrace_traceme) (struct task_struct *parent);
+ int (*capget) (struct task_struct *target,
+ kernel_cap_t *effective,
+ kernel_cap_t *inheritable, kernel_cap_t *permitted);
+ 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, const struct cred *cred,
+ int cap, int audit);
+ int (*sysctl) (struct ctl_table *table, int op);
+ int (*quotactl) (int cmds, int type, int id, struct super_block *sb);
+ int (*quota_on) (struct dentry *dentry);
+ int (*syslog) (int type, bool from_file);
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_check_security) (struct linux_binprm * bprm);
- int (*bprm_secureexec) (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 (*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, 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,
char *type, unsigned long flags, void *data);
- int (*sb_check_sb) (struct vfsmount * mnt, struct path *path);
- int (*sb_umount) (struct vfsmount * mnt, int flags);
- void (*sb_umount_close) (struct vfsmount * mnt);
- void (*sb_umount_busy) (struct vfsmount * mnt);
- void (*sb_post_remount) (struct vfsmount * mnt,
- unsigned long flags, void *data);
- void (*sb_post_addmount) (struct vfsmount * mnt,
- struct path *mountpoint);
+ int (*sb_umount) (struct vfsmount *mnt, int flags);
int (*sb_pivotroot) (struct path *old_path,
struct path *new_path);
- void (*sb_post_pivotroot) (struct path *old_path,
- struct path *new_path);
- int (*sb_get_mnt_opts) (const struct super_block *sb,
- struct security_mnt_opts *opts);
int (*sb_set_mnt_opts) (struct super_block *sb,
struct security_mnt_opts *opts);
void (*sb_clone_mnt_opts) (const struct super_block *oldsb,
struct super_block *newsb);
int (*sb_parse_opts_str) (char *options, struct security_mnt_opts *opts);
- int (*inode_alloc_security) (struct inode *inode);
+#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);
+ int (*path_chmod) (struct dentry *dentry, struct vfsmount *mnt,
+ mode_t mode);
+ int (*path_chown) (struct path *path, uid_t uid, gid_t gid);
+ int (*path_chroot) (struct path *path);
+#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,
char **name, void **value, size_t *len);
int (*inode_create) (struct inode *dir,
- struct dentry *dentry, int mode);
+ struct dentry *dentry, int mode);
int (*inode_link) (struct dentry *old_dentry,
- struct inode *dir, struct dentry *new_dentry);
+ struct inode *dir, struct dentry *new_dentry);
int (*inode_unlink) (struct inode *dir, struct dentry *dentry);
int (*inode_symlink) (struct inode *dir,
- struct dentry *dentry, const char *old_name);
+ struct dentry *dentry, const char *old_name);
int (*inode_mkdir) (struct inode *dir, struct dentry *dentry, int mode);
int (*inode_rmdir) (struct inode *dir, struct dentry *dentry);
int (*inode_mknod) (struct inode *dir, struct dentry *dentry,
- int mode, dev_t dev);
+ int mode, dev_t dev);
int (*inode_rename) (struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry);
+ struct inode *new_dir, struct dentry *new_dentry);
int (*inode_readlink) (struct dentry *dentry);
int (*inode_follow_link) (struct dentry *dentry, struct nameidata *nd);
- int (*inode_permission) (struct inode *inode, int mask, struct nameidata *nd);
+ int (*inode_permission) (struct inode *inode, int mask);
int (*inode_setattr) (struct dentry *dentry, struct iattr *attr);
int (*inode_getattr) (struct vfsmount *mnt, struct dentry *dentry);
- void (*inode_delete) (struct inode *inode);
- int (*inode_setxattr) (struct dentry *dentry, char *name, void *value,
- size_t size, int flags);
- void (*inode_post_setxattr) (struct dentry *dentry, char *name, void *value,
- size_t size, int flags);
- int (*inode_getxattr) (struct dentry *dentry, char *name);
+ int (*inode_setxattr) (struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags);
+ void (*inode_post_setxattr) (struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags);
+ int (*inode_getxattr) (struct dentry *dentry, const char *name);
int (*inode_listxattr) (struct dentry *dentry);
- int (*inode_removexattr) (struct dentry *dentry, char *name);
+ int (*inode_removexattr) (struct dentry *dentry, const char *name);
int (*inode_need_killpriv) (struct dentry *dentry);
int (*inode_killpriv) (struct dentry *dentry);
- int (*inode_getsecurity)(const struct inode *inode, const char *name, void **buffer, bool alloc);
- int (*inode_setsecurity)(struct inode *inode, const char *name, const void *value, size_t size, int flags);
- int (*inode_listsecurity)(struct inode *inode, char *buffer, size_t buffer_size);
- void (*inode_getsecid)(const struct inode *inode, u32 *secid);
-
- int (*file_permission) (struct file * file, int mask);
- int (*file_alloc_security) (struct file * file);
- void (*file_free_security) (struct file * file);
- int (*file_ioctl) (struct file * file, unsigned int cmd,
+ int (*inode_getsecurity) (const struct inode *inode, const char *name, void **buffer, bool alloc);
+ int (*inode_setsecurity) (struct inode *inode, const char *name, const void *value, size_t size, int flags);
+ int (*inode_listsecurity) (struct inode *inode, char *buffer, size_t buffer_size);
+ void (*inode_getsecid) (const struct inode *inode, u32 *secid);
+
+ int (*file_permission) (struct file *file, int mask);
+ int (*file_alloc_security) (struct file *file);
+ void (*file_free_security) (struct file *file);
+ int (*file_ioctl) (struct file *file, unsigned int cmd,
unsigned long arg);
- int (*file_mmap) (struct file * file,
+ int (*file_mmap) (struct file *file,
unsigned long reqprot, unsigned long prot,
unsigned long flags, unsigned long addr,
unsigned long addr_only);
- int (*file_mprotect) (struct vm_area_struct * vma,
+ int (*file_mprotect) (struct vm_area_struct *vma,
unsigned long reqprot,
unsigned long prot);
- int (*file_lock) (struct file * file, unsigned int cmd);
- int (*file_fcntl) (struct file * file, unsigned int cmd,
+ int (*file_lock) (struct file *file, unsigned int cmd);
+ int (*file_fcntl) (struct file *file, unsigned int cmd,
unsigned long arg);
- int (*file_set_fowner) (struct file * file);
- 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 (*file_set_fowner) (struct file *file);
+ 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, 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);
- 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_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);
- int (*task_getsid) (struct task_struct * p);
- void (*task_getsecid) (struct task_struct * p, u32 * secid);
- int (*task_setgroups) (struct group_info *group_info);
- int (*task_setnice) (struct task_struct * p, int nice);
- int (*task_setioprio) (struct task_struct * p, int ioprio);
- int (*task_getioprio) (struct task_struct * p);
- int (*task_setrlimit) (unsigned int resource, struct rlimit * new_rlim);
- int (*task_setscheduler) (struct task_struct * p, int policy,
- struct sched_param * lp);
- int (*task_getscheduler) (struct task_struct * p);
- int (*task_movememory) (struct task_struct * p);
- int (*task_kill) (struct task_struct * p,
- struct siginfo * info, int sig, u32 secid);
- int (*task_wait) (struct task_struct * p);
+ int (*cred_alloc_blank) (struct cred *cred, gfp_t gfp);
+ void (*cred_free) (struct cred *cred);
+ int (*cred_prepare)(struct cred *new, const struct cred *old,
+ gfp_t gfp);
+ void (*cred_transfer)(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 (*kernel_module_request)(char *kmod_name);
+ int (*task_fix_setuid) (struct cred *new, const struct cred *old,
+ int flags);
+ int (*task_setpgid) (struct task_struct *p, pid_t pgid);
+ int (*task_getpgid) (struct task_struct *p);
+ int (*task_getsid) (struct task_struct *p);
+ void (*task_getsecid) (struct task_struct *p, u32 *secid);
+ int (*task_setnice) (struct task_struct *p, int nice);
+ int (*task_setioprio) (struct task_struct *p, int ioprio);
+ int (*task_getioprio) (struct task_struct *p);
+ int (*task_setrlimit) (unsigned int resource, struct rlimit *new_rlim);
+ int (*task_setscheduler) (struct task_struct *p, int policy,
+ struct sched_param *lp);
+ int (*task_getscheduler) (struct task_struct *p);
+ int (*task_movememory) (struct task_struct *p);
+ int (*task_kill) (struct task_struct *p,
+ struct siginfo *info, int sig, u32 secid);
+ int (*task_wait) (struct task_struct *p);
int (*task_prctl) (int option, unsigned long arg2,
unsigned long arg3, unsigned long arg4,
unsigned long arg5);
- void (*task_reparent_to_init) (struct task_struct * p);
- void (*task_to_inode)(struct task_struct *p, struct inode *inode);
+ void (*task_to_inode) (struct task_struct *p, struct inode *inode);
- int (*ipc_permission) (struct kern_ipc_perm * ipcp, short flag);
+ int (*ipc_permission) (struct kern_ipc_perm *ipcp, short flag);
void (*ipc_getsecid) (struct kern_ipc_perm *ipcp, u32 *secid);
- int (*msg_msg_alloc_security) (struct msg_msg * msg);
- void (*msg_msg_free_security) (struct msg_msg * msg);
-
- int (*msg_queue_alloc_security) (struct msg_queue * msq);
- void (*msg_queue_free_security) (struct msg_queue * msq);
- int (*msg_queue_associate) (struct msg_queue * msq, int msqflg);
- int (*msg_queue_msgctl) (struct msg_queue * msq, int cmd);
- int (*msg_queue_msgsnd) (struct msg_queue * msq,
- struct msg_msg * msg, int msqflg);
- int (*msg_queue_msgrcv) (struct msg_queue * msq,
- struct msg_msg * msg,
- struct task_struct * target,
+ int (*msg_msg_alloc_security) (struct msg_msg *msg);
+ void (*msg_msg_free_security) (struct msg_msg *msg);
+
+ int (*msg_queue_alloc_security) (struct msg_queue *msq);
+ void (*msg_queue_free_security) (struct msg_queue *msq);
+ int (*msg_queue_associate) (struct msg_queue *msq, int msqflg);
+ int (*msg_queue_msgctl) (struct msg_queue *msq, int cmd);
+ int (*msg_queue_msgsnd) (struct msg_queue *msq,
+ struct msg_msg *msg, int msqflg);
+ int (*msg_queue_msgrcv) (struct msg_queue *msq,
+ struct msg_msg *msg,
+ struct task_struct *target,
long type, int mode);
- int (*shm_alloc_security) (struct shmid_kernel * shp);
- void (*shm_free_security) (struct shmid_kernel * shp);
- int (*shm_associate) (struct shmid_kernel * shp, int shmflg);
- int (*shm_shmctl) (struct shmid_kernel * shp, int cmd);
- int (*shm_shmat) (struct shmid_kernel * shp,
+ int (*shm_alloc_security) (struct shmid_kernel *shp);
+ void (*shm_free_security) (struct shmid_kernel *shp);
+ int (*shm_associate) (struct shmid_kernel *shp, int shmflg);
+ int (*shm_shmctl) (struct shmid_kernel *shp, int cmd);
+ int (*shm_shmat) (struct shmid_kernel *shp,
char __user *shmaddr, int shmflg);
- int (*sem_alloc_security) (struct sem_array * sma);
- void (*sem_free_security) (struct sem_array * sma);
- int (*sem_associate) (struct sem_array * sma, int semflg);
- int (*sem_semctl) (struct sem_array * sma, int cmd);
- int (*sem_semop) (struct sem_array * sma,
- struct sembuf * sops, unsigned nsops, int alter);
-
- int (*netlink_send) (struct sock * sk, struct sk_buff * skb);
- int (*netlink_recv) (struct sk_buff * skb, int cap);
+ int (*sem_alloc_security) (struct sem_array *sma);
+ void (*sem_free_security) (struct sem_array *sma);
+ int (*sem_associate) (struct sem_array *sma, int semflg);
+ int (*sem_semctl) (struct sem_array *sma, int cmd);
+ int (*sem_semop) (struct sem_array *sma,
+ struct sembuf *sops, unsigned nsops, int alter);
- /* allow module stacking */
- int (*register_security) (const char *name,
- struct security_operations *ops);
+ int (*netlink_send) (struct sock *sk, struct sk_buff *skb);
+ int (*netlink_recv) (struct sk_buff *skb, int cap);
void (*d_instantiate) (struct dentry *dentry, struct inode *inode);
- int (*getprocattr)(struct task_struct *p, char *name, char **value);
- int (*setprocattr)(struct task_struct *p, char *name, void *value, size_t size);
- int (*secid_to_secctx)(u32 secid, char **secdata, u32 *seclen);
- int (*secctx_to_secid)(char *secdata, u32 seclen, u32 *secid);
- void (*release_secctx)(char *secdata, u32 seclen);
+ int (*getprocattr) (struct task_struct *p, char *name, char **value);
+ int (*setprocattr) (struct task_struct *p, char *name, void *value, size_t size);
+ int (*secid_to_secctx) (u32 secid, char **secdata, u32 *seclen);
+ int (*secctx_to_secid) (const char *secdata, u32 seclen, u32 *secid);
+ void (*release_secctx) (char *secdata, u32 seclen);
+
+ int (*inode_notifysecctx)(struct inode *inode, void *ctx, u32 ctxlen);
+ int (*inode_setsecctx)(struct dentry *dentry, void *ctx, u32 ctxlen);
+ int (*inode_getsecctx)(struct inode *inode, void **ctx, u32 *ctxlen);
#ifdef CONFIG_SECURITY_NETWORK
- int (*unix_stream_connect) (struct socket * sock,
- struct socket * other, struct sock * newsk);
- int (*unix_may_send) (struct socket * sock, struct socket * other);
+ int (*unix_stream_connect) (struct socket *sock,
+ struct socket *other, struct sock *newsk);
+ int (*unix_may_send) (struct socket *sock, struct socket *other);
int (*socket_create) (int family, int type, int protocol, int kern);
- int (*socket_post_create) (struct socket * sock, int family,
+ int (*socket_post_create) (struct socket *sock, int family,
int type, int protocol, int kern);
- int (*socket_bind) (struct socket * sock,
- struct sockaddr * address, int addrlen);
- int (*socket_connect) (struct socket * sock,
- struct sockaddr * address, int addrlen);
- int (*socket_listen) (struct socket * sock, int backlog);
- int (*socket_accept) (struct socket * sock, struct socket * newsock);
- void (*socket_post_accept) (struct socket * sock,
- struct socket * newsock);
- int (*socket_sendmsg) (struct socket * sock,
- struct msghdr * msg, int size);
- int (*socket_recvmsg) (struct socket * sock,
- struct msghdr * msg, int size, int flags);
- int (*socket_getsockname) (struct socket * sock);
- int (*socket_getpeername) (struct socket * sock);
- int (*socket_getsockopt) (struct socket * sock, int level, int optname);
- int (*socket_setsockopt) (struct socket * sock, int level, int optname);
- int (*socket_shutdown) (struct socket * sock, int how);
- int (*socket_sock_rcv_skb) (struct sock * sk, struct sk_buff * skb);
+ int (*socket_bind) (struct socket *sock,
+ struct sockaddr *address, int addrlen);
+ int (*socket_connect) (struct socket *sock,
+ struct sockaddr *address, int addrlen);
+ int (*socket_listen) (struct socket *sock, int backlog);
+ int (*socket_accept) (struct socket *sock, struct socket *newsock);
+ int (*socket_sendmsg) (struct socket *sock,
+ struct msghdr *msg, int size);
+ int (*socket_recvmsg) (struct socket *sock,
+ struct msghdr *msg, int size, int flags);
+ int (*socket_getsockname) (struct socket *sock);
+ int (*socket_getpeername) (struct socket *sock);
+ int (*socket_getsockopt) (struct socket *sock, int level, int optname);
+ int (*socket_setsockopt) (struct socket *sock, int level, int optname);
+ int (*socket_shutdown) (struct socket *sock, int how);
+ int (*socket_sock_rcv_skb) (struct sock *sk, struct sk_buff *skb);
int (*socket_getpeersec_stream) (struct socket *sock, char __user *optval, int __user *optlen, unsigned len);
int (*socket_getpeersec_dgram) (struct socket *sock, struct sk_buff *skb, u32 *secid);
int (*sk_alloc_security) (struct sock *sk, int family, gfp_t priority);
void (*sk_free_security) (struct sock *sk);
void (*sk_clone_security) (const struct sock *sk, struct sock *newsk);
void (*sk_getsecid) (struct sock *sk, u32 *secid);
- void (*sock_graft)(struct sock* sk, struct socket *parent);
- int (*inet_conn_request)(struct sock *sk, struct sk_buff *skb,
- struct request_sock *req);
- void (*inet_csk_clone)(struct sock *newsk, const struct request_sock *req);
- void (*inet_conn_established)(struct sock *sk, struct sk_buff *skb);
- void (*req_classify_flow)(const struct request_sock *req, struct flowi *fl);
+ void (*sock_graft) (struct sock *sk, struct socket *parent);
+ int (*inet_conn_request) (struct sock *sk, struct sk_buff *skb,
+ struct request_sock *req);
+ void (*inet_csk_clone) (struct sock *newsk, const struct request_sock *req);
+ void (*inet_conn_established) (struct sock *sk, struct sk_buff *skb);
+ void (*req_classify_flow) (const struct request_sock *req, struct flowi *fl);
+ int (*tun_dev_create)(void);
+ void (*tun_dev_post_create)(struct sock *sk);
+ int (*tun_dev_attach)(struct sock *sk);
#endif /* CONFIG_SECURITY_NETWORK */
#ifdef CONFIG_SECURITY_NETWORK_XFRM
u32 secid);
void (*xfrm_state_free_security) (struct xfrm_state *x);
int (*xfrm_state_delete_security) (struct xfrm_state *x);
- int (*xfrm_policy_lookup)(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
- int (*xfrm_state_pol_flow_match)(struct xfrm_state *x,
- struct xfrm_policy *xp, struct flowi *fl);
- int (*xfrm_decode_session)(struct sk_buff *skb, u32 *secid, int ckall);
+ int (*xfrm_policy_lookup) (struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
+ int (*xfrm_state_pol_flow_match) (struct xfrm_state *x,
+ struct xfrm_policy *xp,
+ struct flowi *fl);
+ int (*xfrm_decode_session) (struct sk_buff *skb, u32 *secid, int ckall);
#endif /* CONFIG_SECURITY_NETWORK_XFRM */
/* key management security hooks */
#ifdef CONFIG_KEYS
- int (*key_alloc)(struct key *key, struct task_struct *tsk, unsigned long flags);
- void (*key_free)(struct key *key);
- int (*key_permission)(key_ref_t key_ref,
- struct task_struct *context,
- key_perm_t perm);
-
+ 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,
+ const struct cred *cred,
+ key_perm_t perm);
+ int (*key_getsecurity)(struct key *key, char **_buffer);
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
- int (*audit_rule_init)(u32 field, u32 op, char *rulestr, void **lsmrule);
- int (*audit_rule_known)(struct audit_krule *krule);
- int (*audit_rule_match)(u32 secid, u32 field, u32 op, void *lsmrule,
- struct audit_context *actx);
- void (*audit_rule_free)(void *lsmrule);
+ int (*audit_rule_init) (u32 field, u32 op, char *rulestr, void **lsmrule);
+ int (*audit_rule_known) (struct audit_krule *krule);
+ int (*audit_rule_match) (u32 secid, u32 field, u32 op, void *lsmrule,
+ struct audit_context *actx);
+ void (*audit_rule_free) (void *lsmrule);
#endif /* CONFIG_AUDIT */
};
/* prototypes */
-extern int security_init (void);
+extern int security_init(void);
extern int security_module_enable(struct security_operations *ops);
-extern int register_security (struct security_operations *ops);
-extern int mod_reg_security (const char *name, struct security_operations *ops);
-extern struct dentry *securityfs_create_file(const char *name, mode_t mode,
- struct dentry *parent, void *data,
- const struct file_operations *fops);
-extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
-extern void securityfs_remove(struct dentry *dentry);
-
+extern int register_security(struct security_operations *ops);
/* Security operations */
-int security_ptrace(struct task_struct *parent, struct task_struct *child);
+int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
+int security_ptrace_traceme(struct task_struct *parent);
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_capable(struct task_struct *tsk, int cap);
-int security_acct(struct file *file);
+ 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(int cap);
+int security_real_capable(struct task_struct *tsk, int cap);
+int security_real_capable_noaudit(struct task_struct *tsk, int cap);
int security_sysctl(struct ctl_table *table, int op);
int security_quotactl(int cmds, int type, int id, struct super_block *sb);
int security_quota_on(struct dentry *dentry);
-int security_syslog(int type);
+int security_syslog(int type, bool from_file);
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_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_vm_enough_memory_kern(long pages);
+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,
- char *type, unsigned long flags, void *data);
-int security_sb_check_sb(struct vfsmount *mnt, struct path *path);
+ char *type, unsigned long flags, void *data);
int security_sb_umount(struct vfsmount *mnt, int flags);
-void security_sb_umount_close(struct vfsmount *mnt);
-void security_sb_umount_busy(struct vfsmount *mnt);
-void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data);
-void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint);
int security_sb_pivotroot(struct path *old_path, struct path *new_path);
-void security_sb_post_pivotroot(struct path *old_path, struct path *new_path);
-int security_sb_get_mnt_opts(const struct super_block *sb,
- struct security_mnt_opts *opts);
int security_sb_set_mnt_opts(struct super_block *sb, struct security_mnt_opts *opts);
void security_sb_clone_mnt_opts(const struct super_block *oldsb,
struct super_block *newsb);
struct dentry *new_dentry);
int security_inode_unlink(struct inode *dir, struct dentry *dentry);
int security_inode_symlink(struct inode *dir, struct dentry *dentry,
- const char *old_name);
+ const char *old_name);
int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode);
int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev);
int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
- struct inode *new_dir, struct dentry *new_dentry);
+ struct inode *new_dir, struct dentry *new_dentry);
int security_inode_readlink(struct dentry *dentry);
int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd);
-int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd);
+int security_inode_permission(struct inode *inode, int mask);
int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry);
-void security_inode_delete(struct inode *inode);
-int security_inode_setxattr(struct dentry *dentry, char *name,
- void *value, size_t size, int flags);
-void security_inode_post_setxattr(struct dentry *dentry, char *name,
- void *value, size_t size, int flags);
-int security_inode_getxattr(struct dentry *dentry, char *name);
+int security_inode_setxattr(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags);
+void security_inode_post_setxattr(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags);
+int security_inode_getxattr(struct dentry *dentry, const char *name);
int security_inode_listxattr(struct dentry *dentry);
-int security_inode_removexattr(struct dentry *dentry, char *name);
+int security_inode_removexattr(struct dentry *dentry, const char *name);
int security_inode_need_killpriv(struct dentry *dentry);
int security_inode_killpriv(struct dentry *dentry);
int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc);
unsigned long prot, unsigned long flags,
unsigned long addr, unsigned long addr_only);
int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
- unsigned long prot);
+ unsigned long prot);
int security_file_lock(struct file *file, unsigned int cmd);
int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
int security_file_set_fowner(struct file *file);
int security_file_send_sigiotask(struct task_struct *tsk,
- struct fown_struct *fown, int sig);
+ 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);
-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_setgid(gid_t id0, gid_t id1, gid_t id2, int flags);
+int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
+void security_cred_free(struct cred *cred);
+int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
+void security_transfer_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_kernel_module_request(char *kmod_name);
+int security_task_fix_setuid(struct cred *new, const struct cred *old,
+ int flags);
int security_task_setpgid(struct task_struct *p, pid_t pgid);
int security_task_getpgid(struct task_struct *p);
int security_task_getsid(struct task_struct *p);
void security_task_getsecid(struct task_struct *p, u32 *secid);
-int security_task_setgroups(struct group_info *group_info);
int security_task_setnice(struct task_struct *p, int nice);
int security_task_setioprio(struct task_struct *p, int ioprio);
int security_task_getioprio(struct task_struct *p);
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);
-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);
int security_msg_queue_associate(struct msg_queue *msq, int msqflg);
int security_msg_queue_msgctl(struct msg_queue *msq, int cmd);
int security_msg_queue_msgsnd(struct msg_queue *msq,
- struct msg_msg *msg, int msqflg);
+ struct msg_msg *msg, int msqflg);
int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
- struct task_struct *target, long type, int mode);
+ struct task_struct *target, long type, int mode);
int security_shm_alloc(struct shmid_kernel *shp);
void security_shm_free(struct shmid_kernel *shp);
int security_shm_associate(struct shmid_kernel *shp, int shmflg);
int security_sem_semctl(struct sem_array *sma, int cmd);
int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
unsigned nsops, int alter);
-void security_d_instantiate (struct dentry *dentry, struct inode *inode);
+void security_d_instantiate(struct dentry *dentry, struct inode *inode);
int security_getprocattr(struct task_struct *p, char *name, char **value);
int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size);
int security_netlink_send(struct sock *sk, struct sk_buff *skb);
int security_netlink_recv(struct sk_buff *skb, int cap);
int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
-int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid);
+int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
void security_release_secctx(char *secdata, u32 seclen);
+int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
+int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
+int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
#else /* CONFIG_SECURITY */
struct security_mnt_opts {
};
return 0;
}
-static inline int security_ptrace (struct task_struct *parent, struct task_struct * child)
+static inline int security_ptrace_access_check(struct task_struct *child,
+ unsigned int mode)
{
- return cap_ptrace (parent, child);
+ return cap_ptrace_access_check(child, mode);
}
-static inline int security_capget (struct task_struct *target,
+static inline int security_ptrace_traceme(struct task_struct *parent)
+{
+ return cap_ptrace_traceme(parent);
+}
+
+static inline int security_capget(struct task_struct *target,
kernel_cap_t *effective,
kernel_cap_t *inheritable,
kernel_cap_t *permitted)
{
- return cap_capget (target, effective, inheritable, permitted);
+ 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(int cap)
{
- cap_capset_set (target, effective, inheritable, permitted);
+ return cap_capable(current, current_cred(), cap, SECURITY_CAP_AUDIT);
}
-static inline int security_capable(struct task_struct *tsk, int cap)
+static inline int security_real_capable(struct task_struct *tsk, int cap)
{
- return cap_capable(tsk, cap);
+ int ret;
+
+ rcu_read_lock();
+ ret = cap_capable(tsk, __task_cred(tsk), cap, SECURITY_CAP_AUDIT);
+ rcu_read_unlock();
+ return ret;
}
-static inline int security_acct (struct file *file)
+static inline
+int security_real_capable_noaudit(struct task_struct *tsk, int cap)
{
- return 0;
+ int ret;
+
+ rcu_read_lock();
+ ret = cap_capable(tsk, __task_cred(tsk), cap,
+ SECURITY_CAP_NOAUDIT);
+ rcu_read_unlock();
+ return ret;
}
static inline int security_sysctl(struct ctl_table *table, int op)
return 0;
}
-static inline int security_quotactl (int cmds, int type, int id,
- struct super_block * sb)
+static inline int security_quotactl(int cmds, int type, int id,
+ struct super_block *sb)
{
return 0;
}
-static inline int security_quota_on (struct dentry * dentry)
+static inline int security_quota_on(struct dentry *dentry)
{
return 0;
}
-static inline int security_syslog(int type)
+static inline int security_syslog(int type, bool from_file)
{
- return cap_syslog(type);
+ return cap_syslog(type, from_file);
}
static inline int security_settime(struct timespec *ts, struct timezone *tz)
static inline int security_vm_enough_memory(long pages)
{
+ WARN_ON(current->mm == NULL);
return cap_vm_enough_memory(current->mm, pages);
}
static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
{
+ WARN_ON(mm == NULL);
return cap_vm_enough_memory(mm, pages);
}
-static inline int security_bprm_alloc (struct linux_binprm *bprm)
+static inline int security_vm_enough_memory_kern(long pages)
{
- return 0;
+ /* If current->mm is a kernel thread then we will pass NULL,
+ for this specific case that is fine */
+ return cap_vm_enough_memory(current->mm, pages);
}
-static inline void security_bprm_free (struct linux_binprm *bprm)
-{ }
-
-static inline void security_bprm_apply_creds (struct linux_binprm *bprm, int unsafe)
-{
- cap_bprm_apply_creds (bprm, unsafe);
+static inline int security_bprm_set_creds(struct linux_binprm *bprm)
+{
+ 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)
+static inline int security_bprm_secureexec(struct linux_binprm *bprm)
{
return cap_bprm_secureexec(bprm);
}
-static inline int security_sb_alloc (struct super_block *sb)
+static inline int security_sb_alloc(struct super_block *sb)
{
return 0;
}
-static inline void security_sb_free (struct super_block *sb)
+static inline void security_sb_free(struct super_block *sb)
{ }
-static inline int security_sb_copy_data (char *orig, char *copy)
+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;
}
-static inline int security_sb_statfs (struct dentry *dentry)
+static inline int security_sb_show_options(struct seq_file *m,
+ struct super_block *sb)
{
return 0;
}
-static inline int security_sb_mount (char *dev_name, struct path *path,
- char *type, unsigned long flags,
- void *data)
+static inline int security_sb_statfs(struct dentry *dentry)
{
return 0;
}
-static inline int security_sb_check_sb (struct vfsmount *mnt,
- struct path *path)
-{
- return 0;
-}
-
-static inline int security_sb_umount (struct vfsmount *mnt, int flags)
+static inline int security_sb_mount(char *dev_name, struct path *path,
+ char *type, unsigned long flags,
+ void *data)
{
return 0;
}
-static inline void security_sb_umount_close (struct vfsmount *mnt)
-{ }
-
-static inline void security_sb_umount_busy (struct vfsmount *mnt)
-{ }
-
-static inline void security_sb_post_remount (struct vfsmount *mnt,
- unsigned long flags, void *data)
-{ }
-
-static inline void security_sb_post_addmount (struct vfsmount *mnt,
- struct path *mountpoint)
-{ }
-
-static inline int security_sb_pivotroot (struct path *old_path,
- struct path *new_path)
+static inline int security_sb_umount(struct vfsmount *mnt, int flags)
{
return 0;
}
-static inline void security_sb_post_pivotroot (struct path *old_path,
- struct path *new_path)
-{ }
-static inline int security_sb_get_mnt_opts(const struct super_block *sb,
- struct security_mnt_opts *opts)
+static inline int security_sb_pivotroot(struct path *old_path,
+ struct path *new_path)
{
- security_init_mnt_opts(opts);
return 0;
}
return 0;
}
-static inline int security_inode_alloc (struct inode *inode)
+static inline int security_inode_alloc(struct inode *inode)
{
return 0;
}
-static inline void security_inode_free (struct inode *inode)
+static inline void security_inode_free(struct inode *inode)
{ }
-static inline int security_inode_init_security (struct inode *inode,
+static inline int security_inode_init_security(struct inode *inode,
struct inode *dir,
char **name,
void **value,
{
return -EOPNOTSUPP;
}
-
-static inline int security_inode_create (struct inode *dir,
+
+static inline int security_inode_create(struct inode *dir,
struct dentry *dentry,
int mode)
{
return 0;
}
-static inline int security_inode_link (struct dentry *old_dentry,
+static inline int security_inode_link(struct dentry *old_dentry,
struct inode *dir,
struct dentry *new_dentry)
{
return 0;
}
-static inline int security_inode_unlink (struct inode *dir,
+static inline int security_inode_unlink(struct inode *dir,
struct dentry *dentry)
{
return 0;
}
-static inline int security_inode_symlink (struct inode *dir,
+static inline int security_inode_symlink(struct inode *dir,
struct dentry *dentry,
const char *old_name)
{
return 0;
}
-static inline int security_inode_mkdir (struct inode *dir,
+static inline int security_inode_mkdir(struct inode *dir,
struct dentry *dentry,
int mode)
{
return 0;
}
-static inline int security_inode_rmdir (struct inode *dir,
+static inline int security_inode_rmdir(struct inode *dir,
struct dentry *dentry)
{
return 0;
}
-static inline int security_inode_mknod (struct inode *dir,
+static inline int security_inode_mknod(struct inode *dir,
struct dentry *dentry,
int mode, dev_t dev)
{
return 0;
}
-static inline int security_inode_rename (struct inode *old_dir,
+static inline int security_inode_rename(struct inode *old_dir,
struct dentry *old_dentry,
struct inode *new_dir,
struct dentry *new_dentry)
return 0;
}
-static inline int security_inode_readlink (struct dentry *dentry)
+static inline int security_inode_readlink(struct dentry *dentry)
{
return 0;
}
-static inline int security_inode_follow_link (struct dentry *dentry,
+static inline int security_inode_follow_link(struct dentry *dentry,
struct nameidata *nd)
{
return 0;
}
-static inline int security_inode_permission (struct inode *inode, int mask,
- struct nameidata *nd)
+static inline int security_inode_permission(struct inode *inode, int mask)
{
return 0;
}
-static inline int security_inode_setattr (struct dentry *dentry,
+static inline int security_inode_setattr(struct dentry *dentry,
struct iattr *attr)
{
return 0;
}
-static inline int security_inode_getattr (struct vfsmount *mnt,
+static inline int security_inode_getattr(struct vfsmount *mnt,
struct dentry *dentry)
{
return 0;
}
-static inline void security_inode_delete (struct inode *inode)
-{ }
-
-static inline int security_inode_setxattr (struct dentry *dentry, char *name,
- void *value, size_t size, int flags)
+static inline int security_inode_setxattr(struct dentry *dentry,
+ const char *name, const void *value, size_t size, int flags)
{
return cap_inode_setxattr(dentry, name, value, size, flags);
}
-static inline void security_inode_post_setxattr (struct dentry *dentry, char *name,
- void *value, size_t size, int flags)
+static inline void security_inode_post_setxattr(struct dentry *dentry,
+ const char *name, const void *value, size_t size, int flags)
{ }
-static inline int security_inode_getxattr (struct dentry *dentry, char *name)
+static inline int security_inode_getxattr(struct dentry *dentry,
+ const char *name)
{
return 0;
}
-static inline int security_inode_listxattr (struct dentry *dentry)
+static inline int security_inode_listxattr(struct dentry *dentry)
{
return 0;
}
-static inline int security_inode_removexattr (struct dentry *dentry, char *name)
+static inline int security_inode_removexattr(struct dentry *dentry,
+ const char *name)
{
return cap_inode_removexattr(dentry, name);
}
*secid = 0;
}
-static inline int security_file_permission (struct file *file, int mask)
+static inline int security_file_permission(struct file *file, int mask)
{
return 0;
}
-static inline int security_file_alloc (struct file *file)
+static inline int security_file_alloc(struct file *file)
{
return 0;
}
-static inline void security_file_free (struct file *file)
+static inline void security_file_free(struct file *file)
{ }
-static inline int security_file_ioctl (struct file *file, unsigned int cmd,
- unsigned long arg)
+static inline int security_file_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
return 0;
}
-static inline int security_file_mmap (struct file *file, unsigned long reqprot,
- unsigned long prot,
- unsigned long flags,
- unsigned long addr,
- unsigned long addr_only)
+static inline int security_file_mmap(struct file *file, unsigned long reqprot,
+ unsigned long prot,
+ unsigned long flags,
+ unsigned long addr,
+ unsigned long addr_only)
{
- return 0;
+ return cap_file_mmap(file, reqprot, prot, flags, addr, addr_only);
}
-static inline int security_file_mprotect (struct vm_area_struct *vma,
- unsigned long reqprot,
- unsigned long prot)
+static inline int security_file_mprotect(struct vm_area_struct *vma,
+ unsigned long reqprot,
+ unsigned long prot)
{
return 0;
}
-static inline int security_file_lock (struct file *file, unsigned int cmd)
+static inline int security_file_lock(struct file *file, unsigned int cmd)
{
return 0;
}
-static inline int security_file_fcntl (struct file *file, unsigned int cmd,
- unsigned long arg)
+static inline int security_file_fcntl(struct file *file, unsigned int cmd,
+ unsigned long arg)
{
return 0;
}
-static inline int security_file_set_fowner (struct file *file)
+static inline int security_file_set_fowner(struct file *file)
{
return 0;
}
-static inline int security_file_send_sigiotask (struct task_struct *tsk,
- struct fown_struct *fown,
- int sig)
+static inline int security_file_send_sigiotask(struct task_struct *tsk,
+ struct fown_struct *fown,
+ int sig)
{
return 0;
}
-static inline int security_file_receive (struct file *file)
+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;
}
-static inline int security_task_create (unsigned long clone_flags)
+static inline int security_task_create(unsigned long clone_flags)
{
return 0;
}
-static inline int security_task_alloc (struct task_struct *p)
+static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
{
return 0;
}
-static inline void security_task_free (struct task_struct *p)
+static inline void security_cred_free(struct cred *cred)
{ }
-static inline int security_task_setuid (uid_t id0, uid_t id1, uid_t id2,
- int flags)
+static inline int security_prepare_creds(struct cred *new,
+ const struct cred *old,
+ gfp_t gfp)
{
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 void security_transfer_creds(struct cred *new,
+ const struct cred *old)
{
- return cap_task_post_setuid (old_ruid, old_euid, old_suid, flags);
}
-static inline int security_task_setgid (gid_t id0, gid_t id1, gid_t id2,
- int flags)
+static inline int security_kernel_act_as(struct cred *cred, u32 secid)
{
return 0;
}
-static inline int security_task_setpgid (struct task_struct *p, pid_t pgid)
+static inline int security_kernel_create_files_as(struct cred *cred,
+ struct inode *inode)
{
return 0;
}
-static inline int security_task_getpgid (struct task_struct *p)
+static inline int security_kernel_module_request(char *kmod_name)
{
return 0;
}
-static inline int security_task_getsid (struct task_struct *p)
+static inline int security_task_fix_setuid(struct cred *new,
+ const struct cred *old,
+ int flags)
+{
+ return cap_task_fix_setuid(new, old, flags);
+}
+
+static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
{
return 0;
}
-static inline void security_task_getsecid (struct task_struct *p, u32 *secid)
+static inline int security_task_getpgid(struct task_struct *p)
{
- *secid = 0;
+ return 0;
}
-static inline int security_task_setgroups (struct group_info *group_info)
+static inline int security_task_getsid(struct task_struct *p)
{
return 0;
}
-static inline int security_task_setnice (struct task_struct *p, int nice)
+static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
+{
+ *secid = 0;
+}
+
+static inline int security_task_setnice(struct task_struct *p, int nice)
{
return cap_task_setnice(p, nice);
}
-static inline int security_task_setioprio (struct task_struct *p, int ioprio)
+static inline int security_task_setioprio(struct task_struct *p, int ioprio)
{
return cap_task_setioprio(p, ioprio);
}
-static inline int security_task_getioprio (struct task_struct *p)
+static inline int security_task_getioprio(struct task_struct *p)
{
return 0;
}
-static inline int security_task_setrlimit (unsigned int resource,
- struct rlimit *new_rlim)
+static inline int security_task_setrlimit(unsigned int resource,
+ struct rlimit *new_rlim)
{
return 0;
}
-static inline int security_task_setscheduler (struct task_struct *p,
- int policy,
- struct sched_param *lp)
+static inline int security_task_setscheduler(struct task_struct *p,
+ int policy,
+ struct sched_param *lp)
{
return cap_task_setscheduler(p, policy, lp);
}
-static inline int security_task_getscheduler (struct task_struct *p)
-{
- return 0;
-}
-
-static inline int security_task_movememory (struct task_struct *p)
+static inline int security_task_getscheduler(struct task_struct *p)
{
return 0;
}
-static inline int security_task_kill (struct task_struct *p,
- struct siginfo *info, int sig,
- u32 secid)
+static inline int security_task_movememory(struct task_struct *p)
{
return 0;
}
-static inline int security_task_wait (struct task_struct *p)
+static inline int security_task_kill(struct task_struct *p,
+ struct siginfo *info, int sig,
+ u32 secid)
{
return 0;
}
-static inline int security_task_prctl (int option, unsigned long arg2,
- unsigned long arg3,
- unsigned long arg4,
- unsigned long arg5)
+static inline int security_task_wait(struct task_struct *p)
{
return 0;
}
-static inline void security_task_reparent_to_init (struct task_struct *p)
+static inline int security_task_prctl(int option, unsigned long arg2,
+ unsigned long arg3,
+ unsigned long arg4,
+ unsigned long arg5)
{
- 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)
{ }
-static inline int security_ipc_permission (struct kern_ipc_perm *ipcp,
- short flag)
+static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
+ short flag)
{
return 0;
}
*secid = 0;
}
-static inline int security_msg_msg_alloc (struct msg_msg * msg)
+static inline int security_msg_msg_alloc(struct msg_msg *msg)
{
return 0;
}
-static inline void security_msg_msg_free (struct msg_msg * msg)
+static inline void security_msg_msg_free(struct msg_msg *msg)
{ }
-static inline int security_msg_queue_alloc (struct msg_queue *msq)
+static inline int security_msg_queue_alloc(struct msg_queue *msq)
{
return 0;
}
-static inline void security_msg_queue_free (struct msg_queue *msq)
+static inline void security_msg_queue_free(struct msg_queue *msq)
{ }
-static inline int security_msg_queue_associate (struct msg_queue * msq,
- int msqflg)
+static inline int security_msg_queue_associate(struct msg_queue *msq,
+ int msqflg)
{
return 0;
}
-static inline int security_msg_queue_msgctl (struct msg_queue * msq, int cmd)
+static inline int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
{
return 0;
}
-static inline int security_msg_queue_msgsnd (struct msg_queue * msq,
- struct msg_msg * msg, int msqflg)
+static inline int security_msg_queue_msgsnd(struct msg_queue *msq,
+ struct msg_msg *msg, int msqflg)
{
return 0;
}
-static inline int security_msg_queue_msgrcv (struct msg_queue * msq,
- struct msg_msg * msg,
- struct task_struct * target,
- long type, int mode)
+static inline int security_msg_queue_msgrcv(struct msg_queue *msq,
+ struct msg_msg *msg,
+ struct task_struct *target,
+ long type, int mode)
{
return 0;
}
-static inline int security_shm_alloc (struct shmid_kernel *shp)
+static inline int security_shm_alloc(struct shmid_kernel *shp)
{
return 0;
}
-static inline void security_shm_free (struct shmid_kernel *shp)
+static inline void security_shm_free(struct shmid_kernel *shp)
{ }
-static inline int security_shm_associate (struct shmid_kernel * shp,
- int shmflg)
+static inline int security_shm_associate(struct shmid_kernel *shp,
+ int shmflg)
{
return 0;
}
-static inline int security_shm_shmctl (struct shmid_kernel * shp, int cmd)
+static inline int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
{
return 0;
}
-static inline int security_shm_shmat (struct shmid_kernel * shp,
- char __user *shmaddr, int shmflg)
+static inline int security_shm_shmat(struct shmid_kernel *shp,
+ char __user *shmaddr, int shmflg)
{
return 0;
}
-static inline int security_sem_alloc (struct sem_array *sma)
+static inline int security_sem_alloc(struct sem_array *sma)
{
return 0;
}
-static inline void security_sem_free (struct sem_array *sma)
+static inline void security_sem_free(struct sem_array *sma)
{ }
-static inline int security_sem_associate (struct sem_array * sma, int semflg)
+static inline int security_sem_associate(struct sem_array *sma, int semflg)
{
return 0;
}
-static inline int security_sem_semctl (struct sem_array * sma, int cmd)
+static inline int security_sem_semctl(struct sem_array *sma, int cmd)
{
return 0;
}
-static inline int security_sem_semop (struct sem_array * sma,
- struct sembuf * sops, unsigned nsops,
- int alter)
+static inline int security_sem_semop(struct sem_array *sma,
+ struct sembuf *sops, unsigned nsops,
+ int alter)
{
return 0;
}
-static inline void security_d_instantiate (struct dentry *dentry, struct inode *inode)
+static inline void security_d_instantiate(struct dentry *dentry, struct inode *inode)
{ }
static inline int security_getprocattr(struct task_struct *p, char *name, char **value)
return -EINVAL;
}
-static inline int security_netlink_send (struct sock *sk, struct sk_buff *skb)
+static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
{
- return cap_netlink_send (sk, skb);
+ return cap_netlink_send(sk, skb);
}
-static inline int security_netlink_recv (struct sk_buff *skb, int cap)
+static inline int security_netlink_recv(struct sk_buff *skb, int cap)
{
- return cap_netlink_recv (skb, cap);
+ return cap_netlink_recv(skb, cap);
}
-static inline struct dentry *securityfs_create_dir(const char *name,
- struct dentry *parent)
+static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
{
- return ERR_PTR(-ENODEV);
+ return -EOPNOTSUPP;
}
-static inline struct dentry *securityfs_create_file(const char *name,
- mode_t mode,
- struct dentry *parent,
- void *data,
- const struct file_operations *fops)
+static inline int security_secctx_to_secid(const char *secdata,
+ u32 seclen,
+ u32 *secid)
{
- return ERR_PTR(-ENODEV);
+ return -EOPNOTSUPP;
}
-static inline void securityfs_remove(struct dentry *dentry)
+static inline void security_release_secctx(char *secdata, u32 seclen)
{
}
-static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
+static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
{
return -EOPNOTSUPP;
}
-
-static inline int security_secctx_to_secid(char *secdata,
- u32 seclen,
- u32 *secid)
+static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
{
return -EOPNOTSUPP;
}
-
-static inline void security_release_secctx(char *secdata, u32 seclen)
+static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
{
+ return -EOPNOTSUPP;
}
#endif /* CONFIG_SECURITY */
int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
int security_socket_listen(struct socket *sock, int backlog);
int security_socket_accept(struct socket *sock, struct socket *newsock);
-void security_socket_post_accept(struct socket *sock, struct socket *newsock);
int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
int size, int flags);
const struct request_sock *req);
void security_inet_conn_established(struct sock *sk,
struct sk_buff *skb);
+int security_tun_dev_create(void);
+void security_tun_dev_post_create(struct sock *sk);
+int security_tun_dev_attach(struct sock *sk);
#else /* CONFIG_SECURITY_NETWORK */
-static inline int security_unix_stream_connect(struct socket * sock,
- struct socket * other,
- struct sock * newsk)
+static inline int security_unix_stream_connect(struct socket *sock,
+ struct socket *other,
+ struct sock *newsk)
{
return 0;
}
-static inline int security_unix_may_send(struct socket * sock,
- struct socket * other)
+static inline int security_unix_may_send(struct socket *sock,
+ struct socket *other)
{
return 0;
}
-static inline int security_socket_create (int family, int type,
- int protocol, int kern)
+static inline int security_socket_create(int family, int type,
+ int protocol, int kern)
{
return 0;
}
-static inline int security_socket_post_create(struct socket * sock,
+static inline int security_socket_post_create(struct socket *sock,
int family,
int type,
int protocol, int kern)
return 0;
}
-static inline int security_socket_bind(struct socket * sock,
- struct sockaddr * address,
+static inline int security_socket_bind(struct socket *sock,
+ struct sockaddr *address,
int addrlen)
{
return 0;
}
-static inline int security_socket_connect(struct socket * sock,
- struct sockaddr * address,
+static inline int security_socket_connect(struct socket *sock,
+ struct sockaddr *address,
int addrlen)
{
return 0;
}
-static inline int security_socket_listen(struct socket * sock, int backlog)
+static inline int security_socket_listen(struct socket *sock, int backlog)
{
return 0;
}
-static inline int security_socket_accept(struct socket * sock,
- struct socket * newsock)
+static inline int security_socket_accept(struct socket *sock,
+ struct socket *newsock)
{
return 0;
}
-static inline void security_socket_post_accept(struct socket * sock,
- struct socket * newsock)
-{
-}
-
-static inline int security_socket_sendmsg(struct socket * sock,
- struct msghdr * msg, int size)
+static inline int security_socket_sendmsg(struct socket *sock,
+ struct msghdr *msg, int size)
{
return 0;
}
-static inline int security_socket_recvmsg(struct socket * sock,
- struct msghdr * msg, int size,
+static inline int security_socket_recvmsg(struct socket *sock,
+ struct msghdr *msg, int size,
int flags)
{
return 0;
}
-static inline int security_socket_getsockname(struct socket * sock)
+static inline int security_socket_getsockname(struct socket *sock)
{
return 0;
}
-static inline int security_socket_getpeername(struct socket * sock)
+static inline int security_socket_getpeername(struct socket *sock)
{
return 0;
}
-static inline int security_socket_getsockopt(struct socket * sock,
+static inline int security_socket_getsockopt(struct socket *sock,
int level, int optname)
{
return 0;
}
-static inline int security_socket_setsockopt(struct socket * sock,
+static inline int security_socket_setsockopt(struct socket *sock,
int level, int optname)
{
return 0;
}
-static inline int security_socket_shutdown(struct socket * sock, int how)
+static inline int security_socket_shutdown(struct socket *sock, int how)
{
return 0;
}
-static inline int security_sock_rcv_skb (struct sock * sk,
- struct sk_buff * skb)
+static inline int security_sock_rcv_skb(struct sock *sk,
+ struct sk_buff *skb)
{
return 0;
}
{
}
-static inline void security_sock_graft(struct sock* sk, struct socket *parent)
+static inline void security_sock_graft(struct sock *sk, struct socket *parent)
{
}
struct sk_buff *skb)
{
}
+
+static inline int security_tun_dev_create(void)
+{
+ return 0;
+}
+
+static inline void security_tun_dev_post_create(struct sock *sk)
+{
+}
+
+static inline int security_tun_dev_attach(struct sock *sk)
+{
+ return 0;
+}
#endif /* CONFIG_SECURITY_NETWORK */
#ifdef CONFIG_SECURITY_NETWORK_XFRM
#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);
+int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
+ mode_t mode);
+int security_path_chown(struct path *path, uid_t uid, gid_t gid);
+int security_path_chroot(struct path *path);
+#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;
+}
+
+static inline int security_path_chmod(struct dentry *dentry,
+ struct vfsmount *mnt,
+ mode_t mode)
+{
+ return 0;
+}
+
+static inline int security_path_chown(struct path *path, uid_t uid, gid_t gid)
+{
+ return 0;
+}
+
+static inline int security_path_chroot(struct path *path)
+{
+ 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;
}
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;
}
+static inline int security_key_getsecurity(struct key *key, char **_buffer)
+{
+ *_buffer = NULL;
+ return 0;
+}
+
#endif
#endif /* CONFIG_KEYS */
#endif /* CONFIG_SECURITY */
#endif /* CONFIG_AUDIT */
+#ifdef CONFIG_SECURITYFS
+
+extern struct dentry *securityfs_create_file(const char *name, mode_t mode,
+ struct dentry *parent, void *data,
+ const struct file_operations *fops);
+extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
+extern void securityfs_remove(struct dentry *dentry);
+
+#else /* CONFIG_SECURITYFS */
+
+static inline struct dentry *securityfs_create_dir(const char *name,
+ struct dentry *parent)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline struct dentry *securityfs_create_file(const char *name,
+ mode_t mode,
+ struct dentry *parent,
+ void *data,
+ const struct file_operations *fops)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+static inline void securityfs_remove(struct dentry *dentry)
+{}
+
+#endif
+
+#ifdef CONFIG_SECURITY
+
+static inline char *alloc_secdata(void)
+{
+ return (char *)get_zeroed_page(GFP_KERNEL);
+}
+
+static inline void free_secdata(void *secdata)
+{
+ free_page((unsigned long)secdata);
+}
+
+#else
+
+static inline char *alloc_secdata(void)
+{
+ return (char *)1;
+}
+
+static inline void free_secdata(void *secdata)
+{ }
+#endif /* CONFIG_SECURITY */
+
#endif /* ! __LINUX_SECURITY_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff