#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/security.h>
+#include <linux/ima.h>
/* Boot-time LSM user choice */
-static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1];
+static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
+ CONFIG_DEFAULT_SECURITY;
/* things that live in capability.c */
extern struct security_operations default_security_ops;
struct security_operations *security_ops; /* Initialized to NULL */
-/* amount of vm to protect from userspace access */
-unsigned long mmap_min_addr = CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR;
-
static inline int verify(struct security_operations *ops)
{
/* verify the security_operations structure exists */
*
* Return true if:
* -The passed LSM is the one chosen by user at boot time,
- * -or user didn't specify a specific LSM and we're the first to ask
- * for registration permission,
+ * -or the passed LSM is configured as the default and the user did not
+ * choose an alternate LSM at boot time,
+ * -or there is no default LSM set and the user didn't specify a
+ * specific LSM and we're the first to ask for registration permission,
* -or the passed LSM is currently loaded.
* Otherwise, return false.
*/
/* 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)
{
- return security_ops->ptrace_may_access(child, mode);
+ return security_ops->ptrace_access_check(child, mode);
}
int security_ptrace_traceme(struct task_struct *parent)
int security_bprm_check(struct linux_binprm *bprm)
{
- return security_ops->bprm_check_security(bprm);
+ int ret;
+
+ ret = security_ops->bprm_check_security(bprm);
+ if (ret)
+ return ret;
+ return ima_bprm_check(bprm);
}
void security_bprm_committing_creds(struct linux_binprm *bprm)
int security_inode_alloc(struct inode *inode)
{
+ int ret;
+
inode->i_security = NULL;
- return security_ops->inode_alloc_security(inode);
+ ret = security_ops->inode_alloc_security(inode);
+ if (ret)
+ return ret;
+ ret = ima_inode_alloc(inode);
+ if (ret)
+ security_inode_free(inode);
+ return ret;
}
void security_inode_free(struct inode *inode)
{
+ ima_inode_free(inode);
security_ops->inode_free_security(inode);
}
return 0;
return security_ops->path_truncate(path, length, time_attrs);
}
+
+int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
+ mode_t mode)
+{
+ if (unlikely(IS_PRIVATE(dentry->d_inode)))
+ return 0;
+ return security_ops->path_chmod(dentry, mnt, mode);
+}
+
+int security_path_chown(struct path *path, uid_t uid, gid_t gid)
+{
+ if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
+ return 0;
+ return security_ops->path_chown(path, uid, gid);
+}
+
+int security_path_chroot(struct path *path)
+{
+ return security_ops->path_chroot(path);
+}
#endif
int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
void security_file_free(struct file *file)
{
security_ops->file_free_security(file);
+ if (file->f_dentry)
+ ima_file_free(file);
}
int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
unsigned long prot, unsigned long flags,
unsigned long addr, unsigned long addr_only)
{
- return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
+ int ret;
+
+ ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
+ if (ret)
+ return ret;
+ return ima_file_mmap(file, prot);
}
int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
return security_ops->task_create(clone_flags);
}
+int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
+{
+ return security_ops->cred_alloc_blank(cred, gfp);
+}
+
void security_cred_free(struct cred *cred)
{
security_ops->cred_free(cred);
security_ops->cred_commit(new, old);
}
+void security_transfer_creds(struct cred *new, const struct cred *old)
+{
+ security_ops->cred_transfer(new, old);
+}
+
int security_kernel_act_as(struct cred *new, u32 secid)
{
return security_ops->kernel_act_as(new, secid);
return security_ops->kernel_create_files_as(new, inode);
}
+int security_kernel_module_request(char *kmod_name)
+{
+ return security_ops->kernel_module_request(kmod_name);
+}
+
int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
{
return security_ops->task_setuid(id0, id1, id2, flags);
}
EXPORT_SYMBOL(security_release_secctx);
+int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
+{
+ return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
+}
+EXPORT_SYMBOL(security_inode_notifysecctx);
+
+int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
+{
+ return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
+}
+EXPORT_SYMBOL(security_inode_setsecctx);
+
+int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
+{
+ return security_ops->inode_getsecctx(inode, ctx, ctxlen);
+}
+EXPORT_SYMBOL(security_inode_getsecctx);
+
#ifdef CONFIG_SECURITY_NETWORK
int security_unix_stream_connect(struct socket *sock, struct socket *other,
security_ops->inet_conn_established(sk, skb);
}
+int security_tun_dev_create(void)
+{
+ return security_ops->tun_dev_create();
+}
+EXPORT_SYMBOL(security_tun_dev_create);
+
+void security_tun_dev_post_create(struct sock *sk)
+{
+ return security_ops->tun_dev_post_create(sk);
+}
+EXPORT_SYMBOL(security_tun_dev_post_create);
+
+int security_tun_dev_attach(struct sock *sk)
+{
+ return security_ops->tun_dev_attach(sk);
+}
+EXPORT_SYMBOL(security_tun_dev_attach);
+
#endif /* CONFIG_SECURITY_NETWORK */
#ifdef CONFIG_SECURITY_NETWORK_XFRM
return security_ops->key_getsecurity(key, _buffer);
}
+int security_key_session_to_parent(const struct cred *cred,
+ const struct cred *parent_cred,
+ struct key *key)
+{
+ return security_ops->key_session_to_parent(cred, parent_cred, key);
+}
+
#endif /* CONFIG_KEYS */
#ifdef CONFIG_AUDIT
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff