#define __LINUX_SECURITY_H
#include <linux/fs.h>
+#include <linux/fsnotify.h>
#include <linux/binfmts.h>
+#include <linux/dcache.h>
#include <linux/signal.h>
#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>
/* Maximum number of letters for an LSM name string */
struct ctl_table;
struct audit_krule;
+struct user_namespace;
/*
* These functions are in security/capability.c and are used
* as the default capabilities functions
*/
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_may_access(struct task_struct *child, unsigned int mode);
+ struct user_namespace *ns, int cap, int audit);
+extern int cap_settime(const struct timespec *ts, const 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,
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_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_setscheduler(struct task_struct *p);
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_vm_enough_memory(struct mm_struct *mm, long pages);
struct msghdr;
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_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 {
* @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.
+ * @sb_remount:
+ * Extracts security system specifc mount options and verifys no changes
+ * are being made to those options.
+ * @sb superblock being remounted
+ * @data contains the filesystem-specific data.
* 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_set_mnt_opts:
* Set the security relevant mount options used for a superblock
* @sb the superblock to set security mount options for
* then it should return -EOPNOTSUPP to skip this processing.
* @inode contains the inode structure of the newly created inode.
* @dir contains the inode structure of the parent directory.
+ * @qstr contains the last path component of the new object
* @name will be set to the allocated name suffix (e.g. selinux).
* @value will be set to the allocated attribute value.
* @len will be set to the length of the value.
* @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).
* Return 0 if permission is granted.
* @inode_setattr:
* Check permission before setting file attributes. Note that the kernel
* @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.
* manual page for definitions of the @clone_flags.
* @clone_flags contains the flags indicating what should be shared.
* Return 0 if permission is granted.
+ * @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.
* @old points to the original credentials.
* @gfp indicates the atomicity of any memory allocations.
* Prepare a new set of credentials by copying the data from the old set.
- * @cred_commit:
+ * @cred_transfer:
* @new points to the new credentials.
* @old points to the original credentials.
- * Install a new set of 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.
* @inode points to the inode to use as a reference.
* The current task must be the one that nominated @inode.
* Return 0 if successful.
- * @task_setuid:
- * Check permission before setting one or more of the user identity
- * attributes of the current process. The @flags parameter indicates
- * 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.
+ * @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
* @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.
* @unix_stream_connect:
* Check permissions before establishing a Unix domain stream connection
* between @sock and @other.
- * @sock contains the socket structure.
- * @other contains the peer socket structure.
+ * @sock contains the sock structure.
+ * @other contains the peer sock structure.
+ * @newsk contains the new sock structure.
* Return 0 if permission is granted.
* @unix_may_send:
* Check permissions before connecting or sending datagrams from @sock to
* 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:
* Sets the new child socket's sid to the openreq sid.
* @inet_conn_established:
* Sets the connection's peersid to the secmark on skb.
+ * @secmark_relabel_packet:
+ * check if the process should be allowed to relabel packets to the given secid
+ * @security_secmark_refcount_inc
+ * tells the LSM to increment the number of secmark labeling rules loaded
+ * @security_secmark_refcount_dec
+ * tells the LSM to decrement the number of secmark labeling rules loaded
* @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.
*
* @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.
+ * Return 0 if permission is granted, -ve error otherwise.
* @key_getsecurity:
* Get a textual representation of the security context attached to a key
* for the purposes of honouring KEYCTL_GETSECURITY. This function
* @alter contains the flag indicating whether changes are to be made.
* Return 0 if permission is granted.
*
- * @ptrace_may_access:
+ * @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
* 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_may_access
+ * 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.
* credentials.
* @tsk contains the task_struct for the process.
* @cred contains the credentials to use.
+ * @ns contains the user namespace we want the capability in
* @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.
- * @table contains the ctl_table structure for the sysctl variable.
- * @op contains the operation (001 = search, 002 = write, 004 = read).
- * Return 0 if permission is granted.
* @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.
* @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.
* Return 0 if permission is granted.
*
* @secid_to_secctx:
- * Convert secid to security context.
+ * Convert secid to security context. If secdata is NULL the length of
+ * the result will be returned in seclen, but no secdata will be returned.
+ * This does mean that the length could change between calls to check the
+ * length and the next call which actually allocates and returns the secdata.
* @secid contains the security ID.
* @secdata contains the pointer that stores the converted security context.
+ * @seclen pointer which contains the length of the data
* @secctx_to_secid:
* Convert security context to secid.
* @secid contains the pointer to the generated security ID.
* 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_may_access) (struct task_struct *child, unsigned int mode);
+ 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,
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 (*acct) (struct file *file);
- int (*sysctl) (struct ctl_table *table, int op);
+ struct user_namespace *ns, int cap, int audit);
int (*quotactl) (int cmds, int type, int id, struct super_block *sb);
int (*quota_on) (struct dentry *dentry);
int (*syslog) (int type);
- int (*settime) (struct timespec *ts, struct timezone *tz);
+ int (*settime) (const struct timespec *ts, const struct timezone *tz);
int (*vm_enough_memory) (struct mm_struct *mm, long pages);
int (*bprm_set_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_remount) (struct super_block *sb, void *data);
int (*sb_kern_mount) (struct super_block *sb, int flags, void *data);
int (*sb_show_options) (struct seq_file *m, struct super_block *sb);
int (*sb_statfs) (struct dentry *dentry);
int (*sb_mount) (char *dev_name, struct path *path,
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_pivotroot) (struct path *old_path,
struct path *new_path);
- void (*sb_post_pivotroot) (struct path *old_path,
- struct path *new_path);
int (*sb_set_mnt_opts) (struct super_block *sb,
struct security_mnt_opts *opts);
void (*sb_clone_mnt_opts) (const struct super_block *oldsb,
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_truncate) (struct path *path);
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);
+ const struct qstr *qstr, char **name,
+ void **value, size_t *len);
int (*inode_create) (struct inode *dir,
struct dentry *dentry, int mode);
int (*inode_link) (struct dentry *old_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);
+ int (*inode_permission) (struct inode *inode, int mask, unsigned flags);
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, const char *name,
const void *value, size_t size, int flags);
void (*inode_post_setxattr) (struct dentry *dentry, const char *name,
int (*dentry_open) (struct file *file, const struct cred *cred);
int (*task_create) (unsigned long clone_flags);
+ 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_commit)(struct cred *new, const struct cred *old);
+ 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 (*task_setuid) (uid_t id0, uid_t id1, uid_t id2, int flags);
+ int (*kernel_module_request)(char *kmod_name);
int (*task_fix_setuid) (struct cred *new, const struct cred *old,
int flags);
- int (*task_setgid) (gid_t id0, gid_t id1, gid_t id2, int flags);
int (*task_setpgid) (struct task_struct *p, pid_t pgid);
int (*task_getpgid) (struct task_struct *p);
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_setrlimit) (struct task_struct *p, unsigned int resource,
+ struct rlimit *new_rlim);
+ int (*task_setscheduler) (struct task_struct *p);
int (*task_getscheduler) (struct task_struct *p);
int (*task_movememory) (struct task_struct *p);
int (*task_kill) (struct task_struct *p,
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_stream_connect) (struct sock *sock, struct sock *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);
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);
+ int (*secmark_relabel_packet) (u32 secid);
+ void (*secmark_refcount_inc) (void);
+ void (*secmark_refcount_dec) (void);
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
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);
+ const struct flowi *fl);
int (*xfrm_decode_session) (struct sk_buff *skb, u32 *secid, int ckall);
#endif /* CONFIG_SECURITY_NETWORK_XFRM */
extern int register_security(struct security_operations *ops);
/* Security operations */
-int security_ptrace_may_access(struct task_struct *child, unsigned int mode);
+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,
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_acct(struct file *file);
-int security_sysctl(struct ctl_table *table, int op);
+int security_capable(struct user_namespace *ns, const struct cred *cred,
+ int cap);
+int security_real_capable(struct task_struct *tsk, struct user_namespace *ns,
+ int cap);
+int security_real_capable_noaudit(struct task_struct *tsk,
+ struct user_namespace *ns, int cap);
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_settime(struct timespec *ts, struct timezone *tz);
+int security_settime(const struct timespec *ts, const struct timezone *tz);
int security_vm_enough_memory(long pages);
int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
int security_vm_enough_memory_kern(long pages);
int security_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_remount(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);
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_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);
int security_inode_alloc(struct inode *inode);
void security_inode_free(struct inode *inode);
int security_inode_init_security(struct inode *inode, struct inode *dir,
- char **name, void **value, size_t *len);
+ const struct qstr *qstr, char **name,
+ void **value, size_t *len);
int security_inode_create(struct inode *dir, struct dentry *dentry, int mode);
int security_inode_link(struct dentry *old_dentry, struct inode *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);
+int security_inode_exec_permission(struct inode *inode, unsigned int flags);
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, const char *name,
const void *value, size_t size, int flags);
void security_inode_post_setxattr(struct dentry *dentry, const char *name,
int security_file_receive(struct file *file);
int security_dentry_open(struct file *file, const struct cred *cred);
int security_task_create(unsigned long clone_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_commit_creds(struct cred *new, const struct cred *old);
+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_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags);
+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_setgid(gid_t id0, gid_t id1, gid_t id2, int flags);
int security_task_setpgid(struct task_struct *p, pid_t pgid);
int security_task_getpgid(struct task_struct *p);
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 security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim);
-int security_task_setscheduler(struct task_struct *p,
- int policy, struct sched_param *lp);
+int security_task_setrlimit(struct task_struct *p, unsigned int resource,
+ struct rlimit *new_rlim);
+int security_task_setscheduler(struct task_struct *p);
int security_task_getscheduler(struct task_struct *p);
int security_task_movememory(struct task_struct *p);
int security_task_kill(struct task_struct *p, struct siginfo *info,
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_may_access(struct task_struct *child,
+static inline int security_ptrace_access_check(struct task_struct *child,
unsigned int mode)
{
- return cap_ptrace_may_access(child, mode);
+ return cap_ptrace_access_check(child, mode);
}
static inline int security_ptrace_traceme(struct task_struct *parent)
return cap_capset(new, old, effective, inheritable, permitted);
}
-static inline int security_capable(int cap)
+static inline int security_capable(struct user_namespace *ns,
+ const struct cred *cred, int cap)
{
- return cap_capable(current, current_cred(), cap, SECURITY_CAP_AUDIT);
+ return cap_capable(current, cred, ns, cap, SECURITY_CAP_AUDIT);
}
-static inline int security_real_capable(struct task_struct *tsk, int cap)
+static inline int security_real_capable(struct task_struct *tsk, struct user_namespace *ns, int cap)
{
int ret;
rcu_read_lock();
- ret = cap_capable(tsk, __task_cred(tsk), cap, SECURITY_CAP_AUDIT);
+ ret = cap_capable(tsk, __task_cred(tsk), ns, cap, SECURITY_CAP_AUDIT);
rcu_read_unlock();
return ret;
}
static inline
-int security_real_capable_noaudit(struct task_struct *tsk, int cap)
+int security_real_capable_noaudit(struct task_struct *tsk, struct user_namespace *ns, int cap)
{
int ret;
rcu_read_lock();
- ret = cap_capable(tsk, __task_cred(tsk), cap,
+ ret = cap_capable(tsk, __task_cred(tsk), ns, cap,
SECURITY_CAP_NOAUDIT);
rcu_read_unlock();
return ret;
}
-static inline int security_acct(struct file *file)
-{
- return 0;
-}
-
-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_syslog(int type)
{
- return cap_syslog(type);
+ return 0;
}
-static inline int security_settime(struct timespec *ts, struct timezone *tz)
+static inline int security_settime(const struct timespec *ts,
+ const struct timezone *tz)
{
return cap_settime(ts, tz);
}
return 0;
}
+static inline int security_sb_remount(struct super_block *sb, void *data)
+{
+ return 0;
+}
+
static inline int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
{
return 0;
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)
{
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)
{
return 0;
}
-static inline void security_sb_post_pivotroot(struct path *old_path,
- struct path *new_path)
-{ }
-
static inline int security_sb_set_mnt_opts(struct super_block *sb,
struct security_mnt_opts *opts)
{
static inline int security_inode_init_security(struct inode *inode,
struct inode *dir,
+ const struct qstr *qstr,
char **name,
void **value,
size_t *len)
return 0;
}
+static inline int security_inode_exec_permission(struct inode *inode,
+ unsigned int flags)
+{
+ return 0;
+}
+
static inline int security_inode_setattr(struct dentry *dentry,
struct iattr *attr)
{
return 0;
}
-static inline void security_inode_delete(struct inode *inode)
-{ }
-
static inline int security_inode_setxattr(struct dentry *dentry,
const char *name, const void *value, size_t size, int 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,
return 0;
}
+static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
+{
+ return 0;
+}
+
static inline void security_cred_free(struct cred *cred)
{ }
return 0;
}
-static inline void security_commit_creds(struct cred *new,
- const struct cred *old)
+static inline void security_transfer_creds(struct cred *new,
+ const struct cred *old)
{
}
return 0;
}
-static inline int security_task_setuid(uid_t id0, uid_t id1, uid_t id2,
- int flags)
+static inline int security_kernel_module_request(char *kmod_name)
{
return 0;
}
return cap_task_fix_setuid(new, old, flags);
}
-static inline int security_task_setgid(gid_t id0, gid_t id1, gid_t id2,
- int flags)
-{
- return 0;
-}
-
static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
{
return 0;
*secid = 0;
}
-static inline int security_task_setgroups(struct group_info *group_info)
-{
- return 0;
-}
-
static inline int security_task_setnice(struct task_struct *p, int nice)
{
return cap_task_setnice(p, nice);
return 0;
}
-static inline int security_task_setrlimit(unsigned int resource,
+static inline int security_task_setrlimit(struct task_struct *p,
+ 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)
{
- return cap_task_setscheduler(p, policy, lp);
+ return cap_task_setscheduler(p);
}
static inline int security_task_getscheduler(struct task_struct *p)
static inline void security_release_secctx(char *secdata, u32 seclen)
{
}
+
+static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
+{
+ return -EOPNOTSUPP;
+}
+static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
+{
+ return -EOPNOTSUPP;
+}
+static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
+{
+ return -EOPNOTSUPP;
+}
#endif /* CONFIG_SECURITY */
#ifdef CONFIG_SECURITY_NETWORK
-int security_unix_stream_connect(struct socket *sock, struct socket *other,
- struct sock *newsk);
+int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
int security_unix_may_send(struct socket *sock, struct socket *other);
int security_socket_create(int family, int type, int protocol, int kern);
int security_socket_post_create(struct socket *sock, int family,
const struct request_sock *req);
void security_inet_conn_established(struct sock *sk,
struct sk_buff *skb);
+int security_secmark_relabel_packet(u32 secid);
+void security_secmark_refcount_inc(void);
+void security_secmark_refcount_dec(void);
+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,
+static inline int security_unix_stream_connect(struct sock *sock,
+ struct sock *other,
struct sock *newsk)
{
return 0;
struct sk_buff *skb)
{
}
+
+static inline int security_secmark_relabel_packet(u32 secid)
+{
+ return 0;
+}
+
+static inline void security_secmark_refcount_inc(void)
+{
+}
+
+static inline void security_secmark_refcount_dec(void)
+{
+}
+
+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
void security_xfrm_state_free(struct xfrm_state *x);
int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
- struct xfrm_policy *xp, struct flowi *fl);
+ struct xfrm_policy *xp,
+ const struct flowi *fl);
int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
}
static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
- struct xfrm_policy *xp, struct flowi *fl)
+ struct xfrm_policy *xp, const struct flowi *fl)
{
return 1;
}
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_truncate(struct path *path);
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_truncate(struct path *path, loff_t length,
- unsigned int time_attrs)
+static inline int security_path_truncate(struct path *path)
{
return 0;
}
{
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
#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 */
Code Review / linux-3.10.git / blobdiff