diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mm.h | 3 | ||||
| -rw-r--r-- | include/linux/security.h | 59 |
2 files changed, 52 insertions, 10 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 1b7b95c67aca..1897ca223eca 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -12,7 +12,6 @@ #include <linux/prio_tree.h> #include <linux/debug_locks.h> #include <linux/mm_types.h> -#include <linux/security.h> struct mempolicy; struct anon_vma; @@ -34,6 +33,8 @@ extern int sysctl_legacy_va_layout; #define sysctl_legacy_va_layout 0 #endif +extern unsigned long mmap_min_addr; + #include <asm/page.h> #include <asm/pgtable.h> #include <asm/processor.h> diff --git a/include/linux/security.h b/include/linux/security.h index ac050830a873..d24974262dc6 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -34,6 +34,12 @@ #include <linux/xfrm.h> #include <net/flow.h> +/* only a char in selinux superblock security struct flags */ +#define FSCONTEXT_MNT 0x01 +#define CONTEXT_MNT 0x02 +#define ROOTCONTEXT_MNT 0x04 +#define DEFCONTEXT_MNT 0x08 + /* * Bounding set */ @@ -243,9 +249,6 @@ struct request_sock; * @mnt contains the mounted file system. * @flags contains the new filesystem flags. * @data contains the filesystem-specific data. - * @sb_post_mountroot: - * Update the security module's state when the root filesystem is mounted. - * This hook is only called if the mount was successful. * @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 @@ -261,6 +264,22 @@ struct request_sock; * Update module state after a successful pivot. * @old_nd contains the nameidata structure for the old root. * @new_nd contains the nameidata structure 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 + * @mount_options array for pointers to mount options + * @mount_flags array of ints specifying what each mount options is + * @num_opts number of options in the arrays + * @sb_set_mnt_opts: + * Set the security relevant mount options used for a superblock + * @sb the superblock to set security mount options for + * @mount_options array for pointers to mount options + * @mount_flags array of ints specifying what each mount options is + * @num_opts number of options in the arrays + * @sb_clone_mnt_opts: + * Copy all security options from a given superblock to another + * @oldsb old superblock which contain information to clone + * @newsb new superblock which needs filled in * * Security hooks for inode operations. * @@ -1183,6 +1202,10 @@ struct request_sock; * 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. * * @release_secctx: * Release the security context. @@ -1235,13 +1258,19 @@ struct security_operations { void (*sb_umount_busy) (struct vfsmount * mnt); void (*sb_post_remount) (struct vfsmount * mnt, unsigned long flags, void *data); - void (*sb_post_mountroot) (void); void (*sb_post_addmount) (struct vfsmount * mnt, struct nameidata * mountpoint_nd); int (*sb_pivotroot) (struct nameidata * old_nd, struct nameidata * new_nd); void (*sb_post_pivotroot) (struct nameidata * old_nd, struct nameidata * new_nd); + int (*sb_get_mnt_opts) (const struct super_block *sb, + char ***mount_options, int **flags, + int *num_opts); + int (*sb_set_mnt_opts) (struct super_block *sb, char **mount_options, + int *flags, int num_opts); + void (*sb_clone_mnt_opts) (const struct super_block *oldsb, + struct super_block *newsb); int (*inode_alloc_security) (struct inode *inode); void (*inode_free_security) (struct inode *inode); @@ -1371,6 +1400,7 @@ struct security_operations { 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); #ifdef CONFIG_SECURITY_NETWORK @@ -1495,10 +1525,16 @@ 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_mountroot(void); void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd); int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd); void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd); +int security_sb_get_mnt_opts(const struct super_block *sb, char ***mount_options, + int **flags, int *num_opts); +int security_sb_set_mnt_opts(struct super_block *sb, char **mount_options, + int *flags, int num_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, @@ -1603,6 +1639,7 @@ int security_setprocattr(struct task_struct *p, char *name, void *value, size_t 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); void security_release_secctx(char *secdata, u32 seclen); #else /* CONFIG_SECURITY */ @@ -1777,9 +1814,6 @@ static inline void security_sb_post_remount (struct vfsmount *mnt, unsigned long flags, void *data) { } -static inline void security_sb_post_mountroot (void) -{ } - static inline void security_sb_post_addmount (struct vfsmount *mnt, struct nameidata *mountpoint_nd) { } @@ -2266,7 +2300,7 @@ static inline struct dentry *securityfs_create_file(const char *name, mode_t mode, struct dentry *parent, void *data, - struct file_operations *fops) + const struct file_operations *fops) { return ERR_PTR(-ENODEV); } @@ -2280,6 +2314,13 @@ static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *secle return -EOPNOTSUPP; } +static inline int security_secctx_to_secid(char *secdata, + u32 seclen, + u32 *secid) +{ + return -EOPNOTSUPP; +} + static inline void security_release_secctx(char *secdata, u32 seclen) { } |