File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/security/security.c b/security/security.c
new file mode 100644
index 0000000..46f405c
--- /dev/null
+++ b/security/security.c
@@ -0,0 +1,1885 @@
+/*
+ * Security plug functions
+ *
+ * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
+ * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/capability.h>
+#include <linux/dcache.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/lsm_hooks.h>
+#include <linux/integrity.h>
+#include <linux/ima.h>
+#include <linux/evm.h>
+#include <linux/fsnotify.h>
+#include <linux/mman.h>
+#include <linux/mount.h>
+#include <linux/personality.h>
+#include <linux/backing-dev.h>
+#include <net/flow.h>
+
+#define MAX_LSM_EVM_XATTR 2
+
+/* Maximum number of letters for an LSM name string */
+#define SECURITY_NAME_MAX 10
+
+/* Boot-time LSM user choice */
+static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
+ CONFIG_DEFAULT_SECURITY;
+
+static void __init do_security_initcalls(void)
+{
+ initcall_t *call;
+ call = __security_initcall_start;
+ while (call < __security_initcall_end) {
+ (*call) ();
+ call++;
+ }
+}
+
+/**
+ * security_init - initializes the security framework
+ *
+ * This should be called early in the kernel initialization sequence.
+ */
+int __init security_init(void)
+{
+ pr_info("Security Framework initialized\n");
+
+ /*
+ * Load minor LSMs, with the capability module always first.
+ */
+ capability_add_hooks();
+ yama_add_hooks();
+
+ /*
+ * Load all the remaining security modules.
+ */
+ do_security_initcalls();
+
+ return 0;
+}
+
+/* Save user chosen LSM */
+static int __init choose_lsm(char *str)
+{
+ strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
+ return 1;
+}
+__setup("security=", choose_lsm);
+
+/**
+ * security_module_enable - Load given security module on boot ?
+ * @module: the name of the module
+ *
+ * Each LSM must pass this method before registering its own operations
+ * to avoid security registration races. This method may also be used
+ * to check if your LSM is currently loaded during kernel initialization.
+ *
+ * Return true if:
+ * -The passed LSM is the one chosen by user at boot time,
+ * -or the passed LSM is configured as the default and the user did not
+ * choose an alternate LSM at boot time.
+ * Otherwise, return false.
+ */
+int __init security_module_enable(const char *module)
+{
+ return !strcmp(module, chosen_lsm);
+}
+
+/*
+ * Hook list operation macros.
+ *
+ * call_void_hook:
+ * This is a hook that does not return a value.
+ *
+ * call_int_hook:
+ * This is a hook that returns a value.
+ */
+
+#define call_void_hook(FUNC, ...) \
+ do { \
+ struct security_hook_list *P; \
+ \
+ list_for_each_entry(P, &security_hook_heads.FUNC, list) \
+ P->hook.FUNC(__VA_ARGS__); \
+ } while (0)
+
+#define call_int_hook(FUNC, IRC, ...) ({ \
+ int RC = IRC; \
+ do { \
+ struct security_hook_list *P; \
+ \
+ list_for_each_entry(P, &security_hook_heads.FUNC, list) { \
+ RC = P->hook.FUNC(__VA_ARGS__); \
+ if (RC != 0) \
+ break; \
+ } \
+ } while (0); \
+ RC; \
+})
+
+/* Security operations */
+
+int security_binder_set_context_mgr(struct task_struct *mgr)
+{
+ return call_int_hook(binder_set_context_mgr, 0, mgr);
+}
+
+int security_binder_transaction(struct task_struct *from,
+ struct task_struct *to)
+{
+ return call_int_hook(binder_transaction, 0, from, to);
+}
+
+int security_binder_transfer_binder(struct task_struct *from,
+ struct task_struct *to)
+{
+ return call_int_hook(binder_transfer_binder, 0, from, to);
+}
+
+int security_binder_transfer_file(struct task_struct *from,
+ struct task_struct *to, struct file *file)
+{
+ return call_int_hook(binder_transfer_file, 0, from, to, file);
+}
+
+int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
+{
+ return call_int_hook(ptrace_access_check, 0, child, mode);
+}
+
+int security_ptrace_traceme(struct task_struct *parent)
+{
+ return call_int_hook(ptrace_traceme, 0, parent);
+}
+
+int security_capget(struct task_struct *target,
+ kernel_cap_t *effective,
+ kernel_cap_t *inheritable,
+ kernel_cap_t *permitted)
+{
+ return call_int_hook(capget, 0, target,
+ effective, inheritable, 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)
+{
+ return call_int_hook(capset, 0, new, old,
+ effective, inheritable, permitted);
+}
+
+int security_capable(const struct cred *cred, struct user_namespace *ns,
+ int cap)
+{
+ return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_AUDIT);
+}
+
+int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
+ int cap)
+{
+ return call_int_hook(capable, 0, cred, ns, cap, SECURITY_CAP_NOAUDIT);
+}
+
+int security_quotactl(int cmds, int type, int id, struct super_block *sb)
+{
+ return call_int_hook(quotactl, 0, cmds, type, id, sb);
+}
+
+int security_quota_on(struct dentry *dentry)
+{
+ return call_int_hook(quota_on, 0, dentry);
+}
+
+int security_syslog(int type)
+{
+ return call_int_hook(syslog, 0, type);
+}
+
+int security_settime(const struct timespec *ts, const struct timezone *tz)
+{
+ return call_int_hook(settime, 0, ts, tz);
+}
+
+int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
+{
+ struct security_hook_list *hp;
+ int cap_sys_admin = 1;
+ int rc;
+
+ /*
+ * The module will respond with a positive value if
+ * it thinks the __vm_enough_memory() call should be
+ * made with the cap_sys_admin set. If all of the modules
+ * agree that it should be set it will. If any module
+ * thinks it should not be set it won't.
+ */
+ list_for_each_entry(hp, &security_hook_heads.vm_enough_memory, list) {
+ rc = hp->hook.vm_enough_memory(mm, pages);
+ if (rc <= 0) {
+ cap_sys_admin = 0;
+ break;
+ }
+ }
+ return __vm_enough_memory(mm, pages, cap_sys_admin);
+}
+
+int security_bprm_set_creds(struct linux_binprm *bprm)
+{
+ return call_int_hook(bprm_set_creds, 0, bprm);
+}
+
+int security_bprm_check(struct linux_binprm *bprm)
+{
+ int ret;
+
+ ret = call_int_hook(bprm_check_security, 0, bprm);
+ if (ret)
+ return ret;
+ return ima_bprm_check(bprm);
+}
+
+void security_bprm_committing_creds(struct linux_binprm *bprm)
+{
+ call_void_hook(bprm_committing_creds, bprm);
+}
+
+void security_bprm_committed_creds(struct linux_binprm *bprm)
+{
+ call_void_hook(bprm_committed_creds, bprm);
+}
+
+int security_bprm_secureexec(struct linux_binprm *bprm)
+{
+ return call_int_hook(bprm_secureexec, 0, bprm);
+}
+
+int security_sb_alloc(struct super_block *sb)
+{
+ return call_int_hook(sb_alloc_security, 0, sb);
+}
+
+void security_sb_free(struct super_block *sb)
+{
+ call_void_hook(sb_free_security, sb);
+}
+
+int security_sb_copy_data(char *orig, char *copy)
+{
+ return call_int_hook(sb_copy_data, 0, orig, copy);
+}
+EXPORT_SYMBOL(security_sb_copy_data);
+
+int security_sb_remount(struct super_block *sb, void *data)
+{
+ return call_int_hook(sb_remount, 0, sb, data);
+}
+
+int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
+{
+ return call_int_hook(sb_kern_mount, 0, sb, flags, data);
+}
+
+int security_sb_show_options(struct seq_file *m, struct super_block *sb)
+{
+ return call_int_hook(sb_show_options, 0, m, sb);
+}
+
+int security_sb_statfs(struct dentry *dentry)
+{
+ return call_int_hook(sb_statfs, 0, dentry);
+}
+
+int security_sb_mount(const char *dev_name, struct path *path,
+ const char *type, unsigned long flags, void *data)
+{
+ return call_int_hook(sb_mount, 0, dev_name, path, type, flags, data);
+}
+
+int security_sb_umount(struct vfsmount *mnt, int flags)
+{
+ return call_int_hook(sb_umount, 0, mnt, flags);
+}
+
+int security_sb_pivotroot(struct path *old_path, struct path *new_path)
+{
+ return call_int_hook(sb_pivotroot, 0, old_path, new_path);
+}
+
+int security_sb_set_mnt_opts(struct super_block *sb,
+ struct security_mnt_opts *opts,
+ unsigned long kern_flags,
+ unsigned long *set_kern_flags)
+{
+ return call_int_hook(sb_set_mnt_opts,
+ opts->num_mnt_opts ? -EOPNOTSUPP : 0, sb,
+ opts, kern_flags, set_kern_flags);
+}
+EXPORT_SYMBOL(security_sb_set_mnt_opts);
+
+int security_sb_clone_mnt_opts(const struct super_block *oldsb,
+ struct super_block *newsb)
+{
+ return call_int_hook(sb_clone_mnt_opts, 0, oldsb, newsb);
+}
+EXPORT_SYMBOL(security_sb_clone_mnt_opts);
+
+int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
+{
+ return call_int_hook(sb_parse_opts_str, 0, options, opts);
+}
+EXPORT_SYMBOL(security_sb_parse_opts_str);
+
+int security_inode_alloc(struct inode *inode)
+{
+ inode->i_security = NULL;
+ return call_int_hook(inode_alloc_security, 0, inode);
+}
+
+void security_inode_free(struct inode *inode)
+{
+ integrity_inode_free(inode);
+ call_void_hook(inode_free_security, inode);
+}
+
+int security_dentry_init_security(struct dentry *dentry, int mode,
+ struct qstr *name, void **ctx,
+ u32 *ctxlen)
+{
+ return call_int_hook(dentry_init_security, -EOPNOTSUPP, dentry, mode,
+ name, ctx, ctxlen);
+}
+EXPORT_SYMBOL(security_dentry_init_security);
+
+int security_inode_init_security(struct inode *inode, struct inode *dir,
+ const struct qstr *qstr,
+ const initxattrs initxattrs, void *fs_data)
+{
+ struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
+ struct xattr *lsm_xattr, *evm_xattr, *xattr;
+ int ret;
+
+ if (unlikely(IS_PRIVATE(inode)))
+ return 0;
+
+ if (!initxattrs)
+ return call_int_hook(inode_init_security, -EOPNOTSUPP, inode,
+ dir, qstr, NULL, NULL, NULL);
+ memset(new_xattrs, 0, sizeof(new_xattrs));
+ lsm_xattr = new_xattrs;
+ ret = call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir, qstr,
+ &lsm_xattr->name,
+ &lsm_xattr->value,
+ &lsm_xattr->value_len);
+ if (ret)
+ goto out;
+
+ evm_xattr = lsm_xattr + 1;
+ ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
+ if (ret)
+ goto out;
+ ret = initxattrs(inode, new_xattrs, fs_data);
+out:
+ for (xattr = new_xattrs; xattr->value != NULL; xattr++)
+ kfree(xattr->value);
+ return (ret == -EOPNOTSUPP) ? 0 : ret;
+}
+EXPORT_SYMBOL(security_inode_init_security);
+
+int security_old_inode_init_security(struct inode *inode, struct inode *dir,
+ const struct qstr *qstr, const char **name,
+ void **value, size_t *len)
+{
+ if (unlikely(IS_PRIVATE(inode)))
+ return -EOPNOTSUPP;
+ return call_int_hook(inode_init_security, -EOPNOTSUPP, inode, dir,
+ qstr, name, value, len);
+}
+EXPORT_SYMBOL(security_old_inode_init_security);
+
+#ifdef CONFIG_SECURITY_PATH
+int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
+ unsigned int dev)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
+ return 0;
+ return call_int_hook(path_mknod, 0, dir, dentry, mode, dev);
+}
+EXPORT_SYMBOL(security_path_mknod);
+
+int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
+ return 0;
+ return call_int_hook(path_mkdir, 0, dir, dentry, mode);
+}
+EXPORT_SYMBOL(security_path_mkdir);
+
+int security_path_rmdir(struct path *dir, struct dentry *dentry)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
+ return 0;
+ return call_int_hook(path_rmdir, 0, dir, dentry);
+}
+
+int security_path_unlink(struct path *dir, struct dentry *dentry)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
+ return 0;
+ return call_int_hook(path_unlink, 0, dir, dentry);
+}
+EXPORT_SYMBOL(security_path_unlink);
+
+int security_path_symlink(struct path *dir, struct dentry *dentry,
+ const char *old_name)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dir->dentry))))
+ return 0;
+ return call_int_hook(path_symlink, 0, dir, dentry, old_name);
+}
+
+int security_path_link(struct dentry *old_dentry, struct path *new_dir,
+ struct dentry *new_dentry)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
+ return 0;
+ return call_int_hook(path_link, 0, old_dentry, new_dir, new_dentry);
+}
+
+int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
+ struct path *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
+ (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
+ return 0;
+
+ if (flags & RENAME_EXCHANGE) {
+ int err = call_int_hook(path_rename, 0, new_dir, new_dentry,
+ old_dir, old_dentry);
+ if (err)
+ return err;
+ }
+
+ return call_int_hook(path_rename, 0, old_dir, old_dentry, new_dir,
+ new_dentry);
+}
+EXPORT_SYMBOL(security_path_rename);
+
+int security_path_truncate(struct path *path)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
+ return 0;
+ return call_int_hook(path_truncate, 0, path);
+}
+
+int security_path_chmod(struct path *path, umode_t mode)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
+ return 0;
+ return call_int_hook(path_chmod, 0, path, mode);
+}
+
+int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
+ return 0;
+ return call_int_hook(path_chown, 0, path, uid, gid);
+}
+
+int security_path_chroot(struct path *path)
+{
+ return call_int_hook(path_chroot, 0, path);
+}
+#endif
+
+int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
+{
+ if (unlikely(IS_PRIVATE(dir)))
+ return 0;
+ return call_int_hook(inode_create, 0, dir, dentry, mode);
+}
+EXPORT_SYMBOL_GPL(security_inode_create);
+
+int security_inode_link(struct dentry *old_dentry, struct inode *dir,
+ struct dentry *new_dentry)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry))))
+ return 0;
+ return call_int_hook(inode_link, 0, old_dentry, dir, new_dentry);
+}
+
+int security_inode_unlink(struct inode *dir, struct dentry *dentry)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return 0;
+ return call_int_hook(inode_unlink, 0, dir, dentry);
+}
+
+int security_inode_symlink(struct inode *dir, struct dentry *dentry,
+ const char *old_name)
+{
+ if (unlikely(IS_PRIVATE(dir)))
+ return 0;
+ return call_int_hook(inode_symlink, 0, dir, dentry, old_name);
+}
+
+int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
+{
+ if (unlikely(IS_PRIVATE(dir)))
+ return 0;
+ return call_int_hook(inode_mkdir, 0, dir, dentry, mode);
+}
+EXPORT_SYMBOL_GPL(security_inode_mkdir);
+
+int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return 0;
+ return call_int_hook(inode_rmdir, 0, dir, dentry);
+}
+
+int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
+{
+ if (unlikely(IS_PRIVATE(dir)))
+ return 0;
+ return call_int_hook(inode_mknod, 0, dir, dentry, mode, dev);
+}
+
+int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
+ struct inode *new_dir, struct dentry *new_dentry,
+ unsigned int flags)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(old_dentry)) ||
+ (d_is_positive(new_dentry) && IS_PRIVATE(d_backing_inode(new_dentry)))))
+ return 0;
+
+ if (flags & RENAME_EXCHANGE) {
+ int err = call_int_hook(inode_rename, 0, new_dir, new_dentry,
+ old_dir, old_dentry);
+ if (err)
+ return err;
+ }
+
+ return call_int_hook(inode_rename, 0, old_dir, old_dentry,
+ new_dir, new_dentry);
+}
+
+int security_inode_readlink(struct dentry *dentry)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return 0;
+ return call_int_hook(inode_readlink, 0, dentry);
+}
+
+int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
+ bool rcu)
+{
+ if (unlikely(IS_PRIVATE(inode)))
+ return 0;
+ return call_int_hook(inode_follow_link, 0, dentry, inode, rcu);
+}
+
+int security_inode_permission(struct inode *inode, int mask)
+{
+ if (unlikely(IS_PRIVATE(inode)))
+ return 0;
+ return call_int_hook(inode_permission, 0, inode, mask);
+}
+
+int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
+{
+ int ret;
+
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return 0;
+ ret = call_int_hook(inode_setattr, 0, dentry, attr);
+ if (ret)
+ return ret;
+ return evm_inode_setattr(dentry, attr);
+}
+EXPORT_SYMBOL_GPL(security_inode_setattr);
+
+int security_inode_getattr(const struct path *path)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(path->dentry))))
+ return 0;
+ return call_int_hook(inode_getattr, 0, path);
+}
+
+int security_inode_setxattr(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags)
+{
+ int ret;
+
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return 0;
+ /*
+ * SELinux and Smack integrate the cap call,
+ * so assume that all LSMs supplying this call do so.
+ */
+ ret = call_int_hook(inode_setxattr, 1, dentry, name, value, size,
+ flags);
+
+ if (ret == 1)
+ ret = cap_inode_setxattr(dentry, name, value, size, flags);
+ if (ret)
+ return ret;
+ ret = ima_inode_setxattr(dentry, name, value, size);
+ if (ret)
+ return ret;
+ return evm_inode_setxattr(dentry, name, value, size);
+}
+
+void security_inode_post_setxattr(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return;
+ call_void_hook(inode_post_setxattr, dentry, name, value, size, flags);
+ evm_inode_post_setxattr(dentry, name, value, size);
+}
+
+int security_inode_getxattr(struct dentry *dentry, const char *name)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return 0;
+ return call_int_hook(inode_getxattr, 0, dentry, name);
+}
+
+int security_inode_listxattr(struct dentry *dentry)
+{
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return 0;
+ return call_int_hook(inode_listxattr, 0, dentry);
+}
+
+int security_inode_removexattr(struct dentry *dentry, const char *name)
+{
+ int ret;
+
+ if (unlikely(IS_PRIVATE(d_backing_inode(dentry))))
+ return 0;
+ /*
+ * SELinux and Smack integrate the cap call,
+ * so assume that all LSMs supplying this call do so.
+ */
+ ret = call_int_hook(inode_removexattr, 1, dentry, name);
+ if (ret == 1)
+ ret = cap_inode_removexattr(dentry, name);
+ if (ret)
+ return ret;
+ ret = ima_inode_removexattr(dentry, name);
+ if (ret)
+ return ret;
+ return evm_inode_removexattr(dentry, name);
+}
+
+int security_inode_need_killpriv(struct dentry *dentry)
+{
+ return call_int_hook(inode_need_killpriv, 0, dentry);
+}
+
+int security_inode_killpriv(struct dentry *dentry)
+{
+ return call_int_hook(inode_killpriv, 0, dentry);
+}
+
+int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
+{
+ if (unlikely(IS_PRIVATE(inode)))
+ return -EOPNOTSUPP;
+ return call_int_hook(inode_getsecurity, -EOPNOTSUPP, inode, name,
+ buffer, alloc);
+}
+
+int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
+{
+ if (unlikely(IS_PRIVATE(inode)))
+ return -EOPNOTSUPP;
+ return call_int_hook(inode_setsecurity, -EOPNOTSUPP, inode, name,
+ value, size, flags);
+}
+
+int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
+{
+ if (unlikely(IS_PRIVATE(inode)))
+ return 0;
+ return call_int_hook(inode_listsecurity, 0, inode, buffer, buffer_size);
+}
+EXPORT_SYMBOL(security_inode_listsecurity);
+
+void security_inode_getsecid(const struct inode *inode, u32 *secid)
+{
+ call_void_hook(inode_getsecid, inode, secid);
+}
+
+int security_file_permission(struct file *file, int mask)
+{
+ int ret;
+
+ ret = call_int_hook(file_permission, 0, file, mask);
+ if (ret)
+ return ret;
+
+ return fsnotify_perm(file, mask);
+}
+
+int security_file_alloc(struct file *file)
+{
+ return call_int_hook(file_alloc_security, 0, file);
+}
+
+void security_file_free(struct file *file)
+{
+ call_void_hook(file_free_security, file);
+}
+
+int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ return call_int_hook(file_ioctl, 0, file, cmd, arg);
+}
+
+static inline unsigned long mmap_prot(struct file *file, unsigned long prot)
+{
+ /*
+ * Does we have PROT_READ and does the application expect
+ * it to imply PROT_EXEC? If not, nothing to talk about...
+ */
+ if ((prot & (PROT_READ | PROT_EXEC)) != PROT_READ)
+ return prot;
+ if (!(current->personality & READ_IMPLIES_EXEC))
+ return prot;
+ /*
+ * if that's an anonymous mapping, let it.
+ */
+ if (!file)
+ return prot | PROT_EXEC;
+ /*
+ * ditto if it's not on noexec mount, except that on !MMU we need
+ * NOMMU_MAP_EXEC (== VM_MAYEXEC) in this case
+ */
+ if (!path_noexec(&file->f_path)) {
+#ifndef CONFIG_MMU
+ if (file->f_op->mmap_capabilities) {
+ unsigned caps = file->f_op->mmap_capabilities(file);
+ if (!(caps & NOMMU_MAP_EXEC))
+ return prot;
+ }
+#endif
+ return prot | PROT_EXEC;
+ }
+ /* anything on noexec mount won't get PROT_EXEC */
+ return prot;
+}
+
+int security_mmap_file(struct file *file, unsigned long prot,
+ unsigned long flags)
+{
+ int ret;
+ ret = call_int_hook(mmap_file, 0, file, prot,
+ mmap_prot(file, prot), flags);
+ if (ret)
+ return ret;
+ return ima_file_mmap(file, prot);
+}
+
+int security_mmap_addr(unsigned long addr)
+{
+ return call_int_hook(mmap_addr, 0, addr);
+}
+
+int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
+ unsigned long prot)
+{
+ return call_int_hook(file_mprotect, 0, vma, reqprot, prot);
+}
+
+int security_file_lock(struct file *file, unsigned int cmd)
+{
+ return call_int_hook(file_lock, 0, file, cmd);
+}
+
+int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ return call_int_hook(file_fcntl, 0, file, cmd, arg);
+}
+
+void security_file_set_fowner(struct file *file)
+{
+ call_void_hook(file_set_fowner, file);
+}
+
+int security_file_send_sigiotask(struct task_struct *tsk,
+ struct fown_struct *fown, int sig)
+{
+ return call_int_hook(file_send_sigiotask, 0, tsk, fown, sig);
+}
+
+int security_file_receive(struct file *file)
+{
+ return call_int_hook(file_receive, 0, file);
+}
+
+int security_file_open(struct file *file, const struct cred *cred)
+{
+ int ret;
+
+ ret = call_int_hook(file_open, 0, file, cred);
+ if (ret)
+ return ret;
+
+ return fsnotify_perm(file, MAY_OPEN);
+}
+
+int security_task_create(unsigned long clone_flags)
+{
+ return call_int_hook(task_create, 0, clone_flags);
+}
+
+void security_task_free(struct task_struct *task)
+{
+ call_void_hook(task_free, task);
+}
+
+int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
+{
+ return call_int_hook(cred_alloc_blank, 0, cred, gfp);
+}
+
+void security_cred_free(struct cred *cred)
+{
+ call_void_hook(cred_free, cred);
+}
+
+int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
+{
+ return call_int_hook(cred_prepare, 0, new, old, gfp);
+}
+
+void security_transfer_creds(struct cred *new, const struct cred *old)
+{
+ call_void_hook(cred_transfer, new, old);
+}
+
+int security_kernel_act_as(struct cred *new, u32 secid)
+{
+ return call_int_hook(kernel_act_as, 0, new, secid);
+}
+
+int security_kernel_create_files_as(struct cred *new, struct inode *inode)
+{
+ return call_int_hook(kernel_create_files_as, 0, new, inode);
+}
+
+int security_kernel_fw_from_file(struct file *file, char *buf, size_t size)
+{
+ int ret;
+
+ ret = call_int_hook(kernel_fw_from_file, 0, file, buf, size);
+ if (ret)
+ return ret;
+ return ima_fw_from_file(file, buf, size);
+}
+EXPORT_SYMBOL_GPL(security_kernel_fw_from_file);
+
+int security_kernel_module_request(char *kmod_name)
+{
+ return call_int_hook(kernel_module_request, 0, kmod_name);
+}
+
+int security_kernel_module_from_file(struct file *file)
+{
+ int ret;
+
+ ret = call_int_hook(kernel_module_from_file, 0, file);
+ if (ret)
+ return ret;
+ return ima_module_check(file);
+}
+
+int security_task_fix_setuid(struct cred *new, const struct cred *old,
+ int flags)
+{
+ return call_int_hook(task_fix_setuid, 0, new, old, flags);
+}
+
+int security_task_setpgid(struct task_struct *p, pid_t pgid)
+{
+ return call_int_hook(task_setpgid, 0, p, pgid);
+}
+
+int security_task_getpgid(struct task_struct *p)
+{
+ return call_int_hook(task_getpgid, 0, p);
+}
+
+int security_task_getsid(struct task_struct *p)
+{
+ return call_int_hook(task_getsid, 0, p);
+}
+
+void security_task_getsecid(struct task_struct *p, u32 *secid)
+{
+ *secid = 0;
+ call_void_hook(task_getsecid, p, secid);
+}
+EXPORT_SYMBOL(security_task_getsecid);
+
+int security_task_setnice(struct task_struct *p, int nice)
+{
+ return call_int_hook(task_setnice, 0, p, nice);
+}
+
+int security_task_setioprio(struct task_struct *p, int ioprio)
+{
+ return call_int_hook(task_setioprio, 0, p, ioprio);
+}
+
+int security_task_getioprio(struct task_struct *p)
+{
+ return call_int_hook(task_getioprio, 0, p);
+}
+
+int security_task_setrlimit(struct task_struct *p, unsigned int resource,
+ struct rlimit *new_rlim)
+{
+ return call_int_hook(task_setrlimit, 0, p, resource, new_rlim);
+}
+
+int security_task_setscheduler(struct task_struct *p)
+{
+ return call_int_hook(task_setscheduler, 0, p);
+}
+
+int security_task_getscheduler(struct task_struct *p)
+{
+ return call_int_hook(task_getscheduler, 0, p);
+}
+
+int security_task_movememory(struct task_struct *p)
+{
+ return call_int_hook(task_movememory, 0, p);
+}
+
+int security_task_kill(struct task_struct *p, struct siginfo *info,
+ int sig, u32 secid)
+{
+ return call_int_hook(task_kill, 0, p, info, sig, secid);
+}
+
+int security_task_wait(struct task_struct *p)
+{
+ return call_int_hook(task_wait, 0, p);
+}
+
+int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
+ unsigned long arg4, unsigned long arg5)
+{
+ int thisrc;
+ int rc = -ENOSYS;
+ struct security_hook_list *hp;
+
+ list_for_each_entry(hp, &security_hook_heads.task_prctl, list) {
+ thisrc = hp->hook.task_prctl(option, arg2, arg3, arg4, arg5);
+ if (thisrc != -ENOSYS) {
+ rc = thisrc;
+ if (thisrc != 0)
+ break;
+ }
+ }
+ return rc;
+}
+
+void security_task_to_inode(struct task_struct *p, struct inode *inode)
+{
+ call_void_hook(task_to_inode, p, inode);
+}
+
+int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
+{
+ return call_int_hook(ipc_permission, 0, ipcp, flag);
+}
+
+void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
+{
+ *secid = 0;
+ call_void_hook(ipc_getsecid, ipcp, secid);
+}
+
+int security_msg_msg_alloc(struct msg_msg *msg)
+{
+ return call_int_hook(msg_msg_alloc_security, 0, msg);
+}
+
+void security_msg_msg_free(struct msg_msg *msg)
+{
+ call_void_hook(msg_msg_free_security, msg);
+}
+
+int security_msg_queue_alloc(struct msg_queue *msq)
+{
+ return call_int_hook(msg_queue_alloc_security, 0, msq);
+}
+
+void security_msg_queue_free(struct msg_queue *msq)
+{
+ call_void_hook(msg_queue_free_security, msq);
+}
+
+int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
+{
+ return call_int_hook(msg_queue_associate, 0, msq, msqflg);
+}
+
+int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
+{
+ return call_int_hook(msg_queue_msgctl, 0, msq, cmd);
+}
+
+int security_msg_queue_msgsnd(struct msg_queue *msq,
+ struct msg_msg *msg, int msqflg)
+{
+ return call_int_hook(msg_queue_msgsnd, 0, msq, msg, msqflg);
+}
+
+int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
+ struct task_struct *target, long type, int mode)
+{
+ return call_int_hook(msg_queue_msgrcv, 0, msq, msg, target, type, mode);
+}
+
+int security_shm_alloc(struct shmid_kernel *shp)
+{
+ return call_int_hook(shm_alloc_security, 0, shp);
+}
+
+void security_shm_free(struct shmid_kernel *shp)
+{
+ call_void_hook(shm_free_security, shp);
+}
+
+int security_shm_associate(struct shmid_kernel *shp, int shmflg)
+{
+ return call_int_hook(shm_associate, 0, shp, shmflg);
+}
+
+int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
+{
+ return call_int_hook(shm_shmctl, 0, shp, cmd);
+}
+
+int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
+{
+ return call_int_hook(shm_shmat, 0, shp, shmaddr, shmflg);
+}
+
+int security_sem_alloc(struct sem_array *sma)
+{
+ return call_int_hook(sem_alloc_security, 0, sma);
+}
+
+void security_sem_free(struct sem_array *sma)
+{
+ call_void_hook(sem_free_security, sma);
+}
+
+int security_sem_associate(struct sem_array *sma, int semflg)
+{
+ return call_int_hook(sem_associate, 0, sma, semflg);
+}
+
+int security_sem_semctl(struct sem_array *sma, int cmd)
+{
+ return call_int_hook(sem_semctl, 0, sma, cmd);
+}
+
+int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
+ unsigned nsops, int alter)
+{
+ return call_int_hook(sem_semop, 0, sma, sops, nsops, alter);
+}
+
+void security_d_instantiate(struct dentry *dentry, struct inode *inode)
+{
+ if (unlikely(inode && IS_PRIVATE(inode)))
+ return;
+ call_void_hook(d_instantiate, dentry, inode);
+}
+EXPORT_SYMBOL(security_d_instantiate);
+
+int security_getprocattr(struct task_struct *p, char *name, char **value)
+{
+ return call_int_hook(getprocattr, -EINVAL, p, name, value);
+}
+
+int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
+{
+ return call_int_hook(setprocattr, -EINVAL, p, name, value, size);
+}
+
+int security_netlink_send(struct sock *sk, struct sk_buff *skb)
+{
+ return call_int_hook(netlink_send, 0, sk, skb);
+}
+
+int security_ismaclabel(const char *name)
+{
+ return call_int_hook(ismaclabel, 0, name);
+}
+EXPORT_SYMBOL(security_ismaclabel);
+
+int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
+{
+ return call_int_hook(secid_to_secctx, -EOPNOTSUPP, secid, secdata,
+ seclen);
+}
+EXPORT_SYMBOL(security_secid_to_secctx);
+
+int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
+{
+ *secid = 0;
+ return call_int_hook(secctx_to_secid, 0, secdata, seclen, secid);
+}
+EXPORT_SYMBOL(security_secctx_to_secid);
+
+void security_release_secctx(char *secdata, u32 seclen)
+{
+ call_void_hook(release_secctx, secdata, seclen);
+}
+EXPORT_SYMBOL(security_release_secctx);
+
+int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
+{
+ return call_int_hook(inode_notifysecctx, 0, inode, ctx, ctxlen);
+}
+EXPORT_SYMBOL(security_inode_notifysecctx);
+
+int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
+{
+ return call_int_hook(inode_setsecctx, 0, dentry, ctx, ctxlen);
+}
+EXPORT_SYMBOL(security_inode_setsecctx);
+
+int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
+{
+ return call_int_hook(inode_getsecctx, -EOPNOTSUPP, inode, ctx, ctxlen);
+}
+EXPORT_SYMBOL(security_inode_getsecctx);
+
+#ifdef CONFIG_SECURITY_NETWORK
+
+int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
+{
+ return call_int_hook(unix_stream_connect, 0, sock, other, newsk);
+}
+EXPORT_SYMBOL(security_unix_stream_connect);
+
+int security_unix_may_send(struct socket *sock, struct socket *other)
+{
+ return call_int_hook(unix_may_send, 0, sock, other);
+}
+EXPORT_SYMBOL(security_unix_may_send);
+
+int security_socket_create(int family, int type, int protocol, int kern)
+{
+ return call_int_hook(socket_create, 0, family, type, protocol, kern);
+}
+
+int security_socket_post_create(struct socket *sock, int family,
+ int type, int protocol, int kern)
+{
+ return call_int_hook(socket_post_create, 0, sock, family, type,
+ protocol, kern);
+}
+
+int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
+{
+ return call_int_hook(socket_bind, 0, sock, address, addrlen);
+}
+
+int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
+{
+ return call_int_hook(socket_connect, 0, sock, address, addrlen);
+}
+
+int security_socket_listen(struct socket *sock, int backlog)
+{
+ return call_int_hook(socket_listen, 0, sock, backlog);
+}
+
+int security_socket_accept(struct socket *sock, struct socket *newsock)
+{
+ return call_int_hook(socket_accept, 0, sock, newsock);
+}
+
+int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
+{
+ return call_int_hook(socket_sendmsg, 0, sock, msg, size);
+}
+
+int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
+ int size, int flags)
+{
+ return call_int_hook(socket_recvmsg, 0, sock, msg, size, flags);
+}
+
+int security_socket_getsockname(struct socket *sock)
+{
+ return call_int_hook(socket_getsockname, 0, sock);
+}
+
+int security_socket_getpeername(struct socket *sock)
+{
+ return call_int_hook(socket_getpeername, 0, sock);
+}
+
+int security_socket_getsockopt(struct socket *sock, int level, int optname)
+{
+ return call_int_hook(socket_getsockopt, 0, sock, level, optname);
+}
+
+int security_socket_setsockopt(struct socket *sock, int level, int optname)
+{
+ return call_int_hook(socket_setsockopt, 0, sock, level, optname);
+}
+
+int security_socket_shutdown(struct socket *sock, int how)
+{
+ return call_int_hook(socket_shutdown, 0, sock, how);
+}
+
+int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
+{
+ return call_int_hook(socket_sock_rcv_skb, 0, sk, skb);
+}
+EXPORT_SYMBOL(security_sock_rcv_skb);
+
+int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
+ int __user *optlen, unsigned len)
+{
+ return call_int_hook(socket_getpeersec_stream, -ENOPROTOOPT, sock,
+ optval, optlen, len);
+}
+
+int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
+{
+ return call_int_hook(socket_getpeersec_dgram, -ENOPROTOOPT, sock,
+ skb, secid);
+}
+EXPORT_SYMBOL(security_socket_getpeersec_dgram);
+
+int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
+{
+ return call_int_hook(sk_alloc_security, 0, sk, family, priority);
+}
+
+void security_sk_free(struct sock *sk)
+{
+ call_void_hook(sk_free_security, sk);
+}
+
+void security_sk_clone(const struct sock *sk, struct sock *newsk)
+{
+ call_void_hook(sk_clone_security, sk, newsk);
+}
+EXPORT_SYMBOL(security_sk_clone);
+
+void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
+{
+ call_void_hook(sk_getsecid, sk, &fl->flowi_secid);
+}
+EXPORT_SYMBOL(security_sk_classify_flow);
+
+void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
+{
+ call_void_hook(req_classify_flow, req, fl);
+}
+EXPORT_SYMBOL(security_req_classify_flow);
+
+void security_sock_graft(struct sock *sk, struct socket *parent)
+{
+ call_void_hook(sock_graft, sk, parent);
+}
+EXPORT_SYMBOL(security_sock_graft);
+
+int security_inet_conn_request(struct sock *sk,
+ struct sk_buff *skb, struct request_sock *req)
+{
+ return call_int_hook(inet_conn_request, 0, sk, skb, req);
+}
+EXPORT_SYMBOL(security_inet_conn_request);
+
+void security_inet_csk_clone(struct sock *newsk,
+ const struct request_sock *req)
+{
+ call_void_hook(inet_csk_clone, newsk, req);
+}
+
+void security_inet_conn_established(struct sock *sk,
+ struct sk_buff *skb)
+{
+ call_void_hook(inet_conn_established, sk, skb);
+}
+
+int security_secmark_relabel_packet(u32 secid)
+{
+ return call_int_hook(secmark_relabel_packet, 0, secid);
+}
+EXPORT_SYMBOL(security_secmark_relabel_packet);
+
+void security_secmark_refcount_inc(void)
+{
+ call_void_hook(secmark_refcount_inc);
+}
+EXPORT_SYMBOL(security_secmark_refcount_inc);
+
+void security_secmark_refcount_dec(void)
+{
+ call_void_hook(secmark_refcount_dec);
+}
+EXPORT_SYMBOL(security_secmark_refcount_dec);
+
+int security_tun_dev_alloc_security(void **security)
+{
+ return call_int_hook(tun_dev_alloc_security, 0, security);
+}
+EXPORT_SYMBOL(security_tun_dev_alloc_security);
+
+void security_tun_dev_free_security(void *security)
+{
+ call_void_hook(tun_dev_free_security, security);
+}
+EXPORT_SYMBOL(security_tun_dev_free_security);
+
+int security_tun_dev_create(void)
+{
+ return call_int_hook(tun_dev_create, 0);
+}
+EXPORT_SYMBOL(security_tun_dev_create);
+
+int security_tun_dev_attach_queue(void *security)
+{
+ return call_int_hook(tun_dev_attach_queue, 0, security);
+}
+EXPORT_SYMBOL(security_tun_dev_attach_queue);
+
+int security_tun_dev_attach(struct sock *sk, void *security)
+{
+ return call_int_hook(tun_dev_attach, 0, sk, security);
+}
+EXPORT_SYMBOL(security_tun_dev_attach);
+
+int security_tun_dev_open(void *security)
+{
+ return call_int_hook(tun_dev_open, 0, security);
+}
+EXPORT_SYMBOL(security_tun_dev_open);
+
+#endif /* CONFIG_SECURITY_NETWORK */
+
+#ifdef CONFIG_SECURITY_NETWORK_XFRM
+
+int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
+ struct xfrm_user_sec_ctx *sec_ctx,
+ gfp_t gfp)
+{
+ return call_int_hook(xfrm_policy_alloc_security, 0, ctxp, sec_ctx, gfp);
+}
+EXPORT_SYMBOL(security_xfrm_policy_alloc);
+
+int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
+ struct xfrm_sec_ctx **new_ctxp)
+{
+ return call_int_hook(xfrm_policy_clone_security, 0, old_ctx, new_ctxp);
+}
+
+void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
+{
+ call_void_hook(xfrm_policy_free_security, ctx);
+}
+EXPORT_SYMBOL(security_xfrm_policy_free);
+
+int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
+{
+ return call_int_hook(xfrm_policy_delete_security, 0, ctx);
+}
+
+int security_xfrm_state_alloc(struct xfrm_state *x,
+ struct xfrm_user_sec_ctx *sec_ctx)
+{
+ return call_int_hook(xfrm_state_alloc, 0, x, sec_ctx);
+}
+EXPORT_SYMBOL(security_xfrm_state_alloc);
+
+int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
+ struct xfrm_sec_ctx *polsec, u32 secid)
+{
+ return call_int_hook(xfrm_state_alloc_acquire, 0, x, polsec, secid);
+}
+
+int security_xfrm_state_delete(struct xfrm_state *x)
+{
+ return call_int_hook(xfrm_state_delete_security, 0, x);
+}
+EXPORT_SYMBOL(security_xfrm_state_delete);
+
+void security_xfrm_state_free(struct xfrm_state *x)
+{
+ call_void_hook(xfrm_state_free_security, x);
+}
+
+int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
+{
+ return call_int_hook(xfrm_policy_lookup, 0, ctx, fl_secid, dir);
+}
+
+int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
+ struct xfrm_policy *xp,
+ const struct flowi *fl)
+{
+ struct security_hook_list *hp;
+ int rc = 1;
+
+ /*
+ * Since this function is expected to return 0 or 1, the judgment
+ * becomes difficult if multiple LSMs supply this call. Fortunately,
+ * we can use the first LSM's judgment because currently only SELinux
+ * supplies this call.
+ *
+ * For speed optimization, we explicitly break the loop rather than
+ * using the macro
+ */
+ list_for_each_entry(hp, &security_hook_heads.xfrm_state_pol_flow_match,
+ list) {
+ rc = hp->hook.xfrm_state_pol_flow_match(x, xp, fl);
+ break;
+ }
+ return rc;
+}
+
+int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
+{
+ return call_int_hook(xfrm_decode_session, 0, skb, secid, 1);
+}
+
+void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
+{
+ int rc = call_int_hook(xfrm_decode_session, 0, skb, &fl->flowi_secid,
+ 0);
+
+ BUG_ON(rc);
+}
+EXPORT_SYMBOL(security_skb_classify_flow);
+
+#endif /* CONFIG_SECURITY_NETWORK_XFRM */
+
+#ifdef CONFIG_KEYS
+
+int security_key_alloc(struct key *key, const struct cred *cred,
+ unsigned long flags)
+{
+ return call_int_hook(key_alloc, 0, key, cred, flags);
+}
+
+void security_key_free(struct key *key)
+{
+ call_void_hook(key_free, key);
+}
+
+int security_key_permission(key_ref_t key_ref,
+ const struct cred *cred, unsigned perm)
+{
+ return call_int_hook(key_permission, 0, key_ref, cred, perm);
+}
+
+int security_key_getsecurity(struct key *key, char **_buffer)
+{
+ *_buffer = NULL;
+ return call_int_hook(key_getsecurity, 0, key, _buffer);
+}
+
+#endif /* CONFIG_KEYS */
+
+#ifdef CONFIG_AUDIT
+
+int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
+{
+ return call_int_hook(audit_rule_init, 0, field, op, rulestr, lsmrule);
+}
+
+int security_audit_rule_known(struct audit_krule *krule)
+{
+ return call_int_hook(audit_rule_known, 0, krule);
+}
+
+void security_audit_rule_free(void *lsmrule)
+{
+ call_void_hook(audit_rule_free, lsmrule);
+}
+
+int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
+ struct audit_context *actx)
+{
+ return call_int_hook(audit_rule_match, 0, secid, field, op, lsmrule,
+ actx);
+}
+#endif /* CONFIG_AUDIT */
+
+struct security_hook_heads security_hook_heads = {
+ .binder_set_context_mgr =
+ LIST_HEAD_INIT(security_hook_heads.binder_set_context_mgr),
+ .binder_transaction =
+ LIST_HEAD_INIT(security_hook_heads.binder_transaction),
+ .binder_transfer_binder =
+ LIST_HEAD_INIT(security_hook_heads.binder_transfer_binder),
+ .binder_transfer_file =
+ LIST_HEAD_INIT(security_hook_heads.binder_transfer_file),
+
+ .ptrace_access_check =
+ LIST_HEAD_INIT(security_hook_heads.ptrace_access_check),
+ .ptrace_traceme =
+ LIST_HEAD_INIT(security_hook_heads.ptrace_traceme),
+ .capget = LIST_HEAD_INIT(security_hook_heads.capget),
+ .capset = LIST_HEAD_INIT(security_hook_heads.capset),
+ .capable = LIST_HEAD_INIT(security_hook_heads.capable),
+ .quotactl = LIST_HEAD_INIT(security_hook_heads.quotactl),
+ .quota_on = LIST_HEAD_INIT(security_hook_heads.quota_on),
+ .syslog = LIST_HEAD_INIT(security_hook_heads.syslog),
+ .settime = LIST_HEAD_INIT(security_hook_heads.settime),
+ .vm_enough_memory =
+ LIST_HEAD_INIT(security_hook_heads.vm_enough_memory),
+ .bprm_set_creds =
+ LIST_HEAD_INIT(security_hook_heads.bprm_set_creds),
+ .bprm_check_security =
+ LIST_HEAD_INIT(security_hook_heads.bprm_check_security),
+ .bprm_secureexec =
+ LIST_HEAD_INIT(security_hook_heads.bprm_secureexec),
+ .bprm_committing_creds =
+ LIST_HEAD_INIT(security_hook_heads.bprm_committing_creds),
+ .bprm_committed_creds =
+ LIST_HEAD_INIT(security_hook_heads.bprm_committed_creds),
+ .sb_alloc_security =
+ LIST_HEAD_INIT(security_hook_heads.sb_alloc_security),
+ .sb_free_security =
+ LIST_HEAD_INIT(security_hook_heads.sb_free_security),
+ .sb_copy_data = LIST_HEAD_INIT(security_hook_heads.sb_copy_data),
+ .sb_remount = LIST_HEAD_INIT(security_hook_heads.sb_remount),
+ .sb_kern_mount =
+ LIST_HEAD_INIT(security_hook_heads.sb_kern_mount),
+ .sb_show_options =
+ LIST_HEAD_INIT(security_hook_heads.sb_show_options),
+ .sb_statfs = LIST_HEAD_INIT(security_hook_heads.sb_statfs),
+ .sb_mount = LIST_HEAD_INIT(security_hook_heads.sb_mount),
+ .sb_umount = LIST_HEAD_INIT(security_hook_heads.sb_umount),
+ .sb_pivotroot = LIST_HEAD_INIT(security_hook_heads.sb_pivotroot),
+ .sb_set_mnt_opts =
+ LIST_HEAD_INIT(security_hook_heads.sb_set_mnt_opts),
+ .sb_clone_mnt_opts =
+ LIST_HEAD_INIT(security_hook_heads.sb_clone_mnt_opts),
+ .sb_parse_opts_str =
+ LIST_HEAD_INIT(security_hook_heads.sb_parse_opts_str),
+ .dentry_init_security =
+ LIST_HEAD_INIT(security_hook_heads.dentry_init_security),
+#ifdef CONFIG_SECURITY_PATH
+ .path_unlink = LIST_HEAD_INIT(security_hook_heads.path_unlink),
+ .path_mkdir = LIST_HEAD_INIT(security_hook_heads.path_mkdir),
+ .path_rmdir = LIST_HEAD_INIT(security_hook_heads.path_rmdir),
+ .path_mknod = LIST_HEAD_INIT(security_hook_heads.path_mknod),
+ .path_truncate =
+ LIST_HEAD_INIT(security_hook_heads.path_truncate),
+ .path_symlink = LIST_HEAD_INIT(security_hook_heads.path_symlink),
+ .path_link = LIST_HEAD_INIT(security_hook_heads.path_link),
+ .path_rename = LIST_HEAD_INIT(security_hook_heads.path_rename),
+ .path_chmod = LIST_HEAD_INIT(security_hook_heads.path_chmod),
+ .path_chown = LIST_HEAD_INIT(security_hook_heads.path_chown),
+ .path_chroot = LIST_HEAD_INIT(security_hook_heads.path_chroot),
+#endif
+ .inode_alloc_security =
+ LIST_HEAD_INIT(security_hook_heads.inode_alloc_security),
+ .inode_free_security =
+ LIST_HEAD_INIT(security_hook_heads.inode_free_security),
+ .inode_init_security =
+ LIST_HEAD_INIT(security_hook_heads.inode_init_security),
+ .inode_create = LIST_HEAD_INIT(security_hook_heads.inode_create),
+ .inode_link = LIST_HEAD_INIT(security_hook_heads.inode_link),
+ .inode_unlink = LIST_HEAD_INIT(security_hook_heads.inode_unlink),
+ .inode_symlink =
+ LIST_HEAD_INIT(security_hook_heads.inode_symlink),
+ .inode_mkdir = LIST_HEAD_INIT(security_hook_heads.inode_mkdir),
+ .inode_rmdir = LIST_HEAD_INIT(security_hook_heads.inode_rmdir),
+ .inode_mknod = LIST_HEAD_INIT(security_hook_heads.inode_mknod),
+ .inode_rename = LIST_HEAD_INIT(security_hook_heads.inode_rename),
+ .inode_readlink =
+ LIST_HEAD_INIT(security_hook_heads.inode_readlink),
+ .inode_follow_link =
+ LIST_HEAD_INIT(security_hook_heads.inode_follow_link),
+ .inode_permission =
+ LIST_HEAD_INIT(security_hook_heads.inode_permission),
+ .inode_setattr =
+ LIST_HEAD_INIT(security_hook_heads.inode_setattr),
+ .inode_getattr =
+ LIST_HEAD_INIT(security_hook_heads.inode_getattr),
+ .inode_setxattr =
+ LIST_HEAD_INIT(security_hook_heads.inode_setxattr),
+ .inode_post_setxattr =
+ LIST_HEAD_INIT(security_hook_heads.inode_post_setxattr),
+ .inode_getxattr =
+ LIST_HEAD_INIT(security_hook_heads.inode_getxattr),
+ .inode_listxattr =
+ LIST_HEAD_INIT(security_hook_heads.inode_listxattr),
+ .inode_removexattr =
+ LIST_HEAD_INIT(security_hook_heads.inode_removexattr),
+ .inode_need_killpriv =
+ LIST_HEAD_INIT(security_hook_heads.inode_need_killpriv),
+ .inode_killpriv =
+ LIST_HEAD_INIT(security_hook_heads.inode_killpriv),
+ .inode_getsecurity =
+ LIST_HEAD_INIT(security_hook_heads.inode_getsecurity),
+ .inode_setsecurity =
+ LIST_HEAD_INIT(security_hook_heads.inode_setsecurity),
+ .inode_listsecurity =
+ LIST_HEAD_INIT(security_hook_heads.inode_listsecurity),
+ .inode_getsecid =
+ LIST_HEAD_INIT(security_hook_heads.inode_getsecid),
+ .file_permission =
+ LIST_HEAD_INIT(security_hook_heads.file_permission),
+ .file_alloc_security =
+ LIST_HEAD_INIT(security_hook_heads.file_alloc_security),
+ .file_free_security =
+ LIST_HEAD_INIT(security_hook_heads.file_free_security),
+ .file_ioctl = LIST_HEAD_INIT(security_hook_heads.file_ioctl),
+ .mmap_addr = LIST_HEAD_INIT(security_hook_heads.mmap_addr),
+ .mmap_file = LIST_HEAD_INIT(security_hook_heads.mmap_file),
+ .file_mprotect =
+ LIST_HEAD_INIT(security_hook_heads.file_mprotect),
+ .file_lock = LIST_HEAD_INIT(security_hook_heads.file_lock),
+ .file_fcntl = LIST_HEAD_INIT(security_hook_heads.file_fcntl),
+ .file_set_fowner =
+ LIST_HEAD_INIT(security_hook_heads.file_set_fowner),
+ .file_send_sigiotask =
+ LIST_HEAD_INIT(security_hook_heads.file_send_sigiotask),
+ .file_receive = LIST_HEAD_INIT(security_hook_heads.file_receive),
+ .file_open = LIST_HEAD_INIT(security_hook_heads.file_open),
+ .task_create = LIST_HEAD_INIT(security_hook_heads.task_create),
+ .task_free = LIST_HEAD_INIT(security_hook_heads.task_free),
+ .cred_alloc_blank =
+ LIST_HEAD_INIT(security_hook_heads.cred_alloc_blank),
+ .cred_free = LIST_HEAD_INIT(security_hook_heads.cred_free),
+ .cred_prepare = LIST_HEAD_INIT(security_hook_heads.cred_prepare),
+ .cred_transfer =
+ LIST_HEAD_INIT(security_hook_heads.cred_transfer),
+ .kernel_act_as =
+ LIST_HEAD_INIT(security_hook_heads.kernel_act_as),
+ .kernel_create_files_as =
+ LIST_HEAD_INIT(security_hook_heads.kernel_create_files_as),
+ .kernel_fw_from_file =
+ LIST_HEAD_INIT(security_hook_heads.kernel_fw_from_file),
+ .kernel_module_request =
+ LIST_HEAD_INIT(security_hook_heads.kernel_module_request),
+ .kernel_module_from_file =
+ LIST_HEAD_INIT(security_hook_heads.kernel_module_from_file),
+ .task_fix_setuid =
+ LIST_HEAD_INIT(security_hook_heads.task_fix_setuid),
+ .task_setpgid = LIST_HEAD_INIT(security_hook_heads.task_setpgid),
+ .task_getpgid = LIST_HEAD_INIT(security_hook_heads.task_getpgid),
+ .task_getsid = LIST_HEAD_INIT(security_hook_heads.task_getsid),
+ .task_getsecid =
+ LIST_HEAD_INIT(security_hook_heads.task_getsecid),
+ .task_setnice = LIST_HEAD_INIT(security_hook_heads.task_setnice),
+ .task_setioprio =
+ LIST_HEAD_INIT(security_hook_heads.task_setioprio),
+ .task_getioprio =
+ LIST_HEAD_INIT(security_hook_heads.task_getioprio),
+ .task_setrlimit =
+ LIST_HEAD_INIT(security_hook_heads.task_setrlimit),
+ .task_setscheduler =
+ LIST_HEAD_INIT(security_hook_heads.task_setscheduler),
+ .task_getscheduler =
+ LIST_HEAD_INIT(security_hook_heads.task_getscheduler),
+ .task_movememory =
+ LIST_HEAD_INIT(security_hook_heads.task_movememory),
+ .task_kill = LIST_HEAD_INIT(security_hook_heads.task_kill),
+ .task_wait = LIST_HEAD_INIT(security_hook_heads.task_wait),
+ .task_prctl = LIST_HEAD_INIT(security_hook_heads.task_prctl),
+ .task_to_inode =
+ LIST_HEAD_INIT(security_hook_heads.task_to_inode),
+ .ipc_permission =
+ LIST_HEAD_INIT(security_hook_heads.ipc_permission),
+ .ipc_getsecid = LIST_HEAD_INIT(security_hook_heads.ipc_getsecid),
+ .msg_msg_alloc_security =
+ LIST_HEAD_INIT(security_hook_heads.msg_msg_alloc_security),
+ .msg_msg_free_security =
+ LIST_HEAD_INIT(security_hook_heads.msg_msg_free_security),
+ .msg_queue_alloc_security =
+ LIST_HEAD_INIT(security_hook_heads.msg_queue_alloc_security),
+ .msg_queue_free_security =
+ LIST_HEAD_INIT(security_hook_heads.msg_queue_free_security),
+ .msg_queue_associate =
+ LIST_HEAD_INIT(security_hook_heads.msg_queue_associate),
+ .msg_queue_msgctl =
+ LIST_HEAD_INIT(security_hook_heads.msg_queue_msgctl),
+ .msg_queue_msgsnd =
+ LIST_HEAD_INIT(security_hook_heads.msg_queue_msgsnd),
+ .msg_queue_msgrcv =
+ LIST_HEAD_INIT(security_hook_heads.msg_queue_msgrcv),
+ .shm_alloc_security =
+ LIST_HEAD_INIT(security_hook_heads.shm_alloc_security),
+ .shm_free_security =
+ LIST_HEAD_INIT(security_hook_heads.shm_free_security),
+ .shm_associate =
+ LIST_HEAD_INIT(security_hook_heads.shm_associate),
+ .shm_shmctl = LIST_HEAD_INIT(security_hook_heads.shm_shmctl),
+ .shm_shmat = LIST_HEAD_INIT(security_hook_heads.shm_shmat),
+ .sem_alloc_security =
+ LIST_HEAD_INIT(security_hook_heads.sem_alloc_security),
+ .sem_free_security =
+ LIST_HEAD_INIT(security_hook_heads.sem_free_security),
+ .sem_associate =
+ LIST_HEAD_INIT(security_hook_heads.sem_associate),
+ .sem_semctl = LIST_HEAD_INIT(security_hook_heads.sem_semctl),
+ .sem_semop = LIST_HEAD_INIT(security_hook_heads.sem_semop),
+ .netlink_send = LIST_HEAD_INIT(security_hook_heads.netlink_send),
+ .d_instantiate =
+ LIST_HEAD_INIT(security_hook_heads.d_instantiate),
+ .getprocattr = LIST_HEAD_INIT(security_hook_heads.getprocattr),
+ .setprocattr = LIST_HEAD_INIT(security_hook_heads.setprocattr),
+ .ismaclabel = LIST_HEAD_INIT(security_hook_heads.ismaclabel),
+ .secid_to_secctx =
+ LIST_HEAD_INIT(security_hook_heads.secid_to_secctx),
+ .secctx_to_secid =
+ LIST_HEAD_INIT(security_hook_heads.secctx_to_secid),
+ .release_secctx =
+ LIST_HEAD_INIT(security_hook_heads.release_secctx),
+ .inode_notifysecctx =
+ LIST_HEAD_INIT(security_hook_heads.inode_notifysecctx),
+ .inode_setsecctx =
+ LIST_HEAD_INIT(security_hook_heads.inode_setsecctx),
+ .inode_getsecctx =
+ LIST_HEAD_INIT(security_hook_heads.inode_getsecctx),
+#ifdef CONFIG_SECURITY_NETWORK
+ .unix_stream_connect =
+ LIST_HEAD_INIT(security_hook_heads.unix_stream_connect),
+ .unix_may_send =
+ LIST_HEAD_INIT(security_hook_heads.unix_may_send),
+ .socket_create =
+ LIST_HEAD_INIT(security_hook_heads.socket_create),
+ .socket_post_create =
+ LIST_HEAD_INIT(security_hook_heads.socket_post_create),
+ .socket_bind = LIST_HEAD_INIT(security_hook_heads.socket_bind),
+ .socket_connect =
+ LIST_HEAD_INIT(security_hook_heads.socket_connect),
+ .socket_listen =
+ LIST_HEAD_INIT(security_hook_heads.socket_listen),
+ .socket_accept =
+ LIST_HEAD_INIT(security_hook_heads.socket_accept),
+ .socket_sendmsg =
+ LIST_HEAD_INIT(security_hook_heads.socket_sendmsg),
+ .socket_recvmsg =
+ LIST_HEAD_INIT(security_hook_heads.socket_recvmsg),
+ .socket_getsockname =
+ LIST_HEAD_INIT(security_hook_heads.socket_getsockname),
+ .socket_getpeername =
+ LIST_HEAD_INIT(security_hook_heads.socket_getpeername),
+ .socket_getsockopt =
+ LIST_HEAD_INIT(security_hook_heads.socket_getsockopt),
+ .socket_setsockopt =
+ LIST_HEAD_INIT(security_hook_heads.socket_setsockopt),
+ .socket_shutdown =
+ LIST_HEAD_INIT(security_hook_heads.socket_shutdown),
+ .socket_sock_rcv_skb =
+ LIST_HEAD_INIT(security_hook_heads.socket_sock_rcv_skb),
+ .socket_getpeersec_stream =
+ LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_stream),
+ .socket_getpeersec_dgram =
+ LIST_HEAD_INIT(security_hook_heads.socket_getpeersec_dgram),
+ .sk_alloc_security =
+ LIST_HEAD_INIT(security_hook_heads.sk_alloc_security),
+ .sk_free_security =
+ LIST_HEAD_INIT(security_hook_heads.sk_free_security),
+ .sk_clone_security =
+ LIST_HEAD_INIT(security_hook_heads.sk_clone_security),
+ .sk_getsecid = LIST_HEAD_INIT(security_hook_heads.sk_getsecid),
+ .sock_graft = LIST_HEAD_INIT(security_hook_heads.sock_graft),
+ .inet_conn_request =
+ LIST_HEAD_INIT(security_hook_heads.inet_conn_request),
+ .inet_csk_clone =
+ LIST_HEAD_INIT(security_hook_heads.inet_csk_clone),
+ .inet_conn_established =
+ LIST_HEAD_INIT(security_hook_heads.inet_conn_established),
+ .secmark_relabel_packet =
+ LIST_HEAD_INIT(security_hook_heads.secmark_relabel_packet),
+ .secmark_refcount_inc =
+ LIST_HEAD_INIT(security_hook_heads.secmark_refcount_inc),
+ .secmark_refcount_dec =
+ LIST_HEAD_INIT(security_hook_heads.secmark_refcount_dec),
+ .req_classify_flow =
+ LIST_HEAD_INIT(security_hook_heads.req_classify_flow),
+ .tun_dev_alloc_security =
+ LIST_HEAD_INIT(security_hook_heads.tun_dev_alloc_security),
+ .tun_dev_free_security =
+ LIST_HEAD_INIT(security_hook_heads.tun_dev_free_security),
+ .tun_dev_create =
+ LIST_HEAD_INIT(security_hook_heads.tun_dev_create),
+ .tun_dev_attach_queue =
+ LIST_HEAD_INIT(security_hook_heads.tun_dev_attach_queue),
+ .tun_dev_attach =
+ LIST_HEAD_INIT(security_hook_heads.tun_dev_attach),
+ .tun_dev_open = LIST_HEAD_INIT(security_hook_heads.tun_dev_open),
+ .skb_owned_by = LIST_HEAD_INIT(security_hook_heads.skb_owned_by),
+#endif /* CONFIG_SECURITY_NETWORK */
+#ifdef CONFIG_SECURITY_NETWORK_XFRM
+ .xfrm_policy_alloc_security =
+ LIST_HEAD_INIT(security_hook_heads.xfrm_policy_alloc_security),
+ .xfrm_policy_clone_security =
+ LIST_HEAD_INIT(security_hook_heads.xfrm_policy_clone_security),
+ .xfrm_policy_free_security =
+ LIST_HEAD_INIT(security_hook_heads.xfrm_policy_free_security),
+ .xfrm_policy_delete_security =
+ LIST_HEAD_INIT(security_hook_heads.xfrm_policy_delete_security),
+ .xfrm_state_alloc =
+ LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc),
+ .xfrm_state_alloc_acquire =
+ LIST_HEAD_INIT(security_hook_heads.xfrm_state_alloc_acquire),
+ .xfrm_state_free_security =
+ LIST_HEAD_INIT(security_hook_heads.xfrm_state_free_security),
+ .xfrm_state_delete_security =
+ LIST_HEAD_INIT(security_hook_heads.xfrm_state_delete_security),
+ .xfrm_policy_lookup =
+ LIST_HEAD_INIT(security_hook_heads.xfrm_policy_lookup),
+ .xfrm_state_pol_flow_match =
+ LIST_HEAD_INIT(security_hook_heads.xfrm_state_pol_flow_match),
+ .xfrm_decode_session =
+ LIST_HEAD_INIT(security_hook_heads.xfrm_decode_session),
+#endif /* CONFIG_SECURITY_NETWORK_XFRM */
+#ifdef CONFIG_KEYS
+ .key_alloc = LIST_HEAD_INIT(security_hook_heads.key_alloc),
+ .key_free = LIST_HEAD_INIT(security_hook_heads.key_free),
+ .key_permission =
+ LIST_HEAD_INIT(security_hook_heads.key_permission),
+ .key_getsecurity =
+ LIST_HEAD_INIT(security_hook_heads.key_getsecurity),
+#endif /* CONFIG_KEYS */
+#ifdef CONFIG_AUDIT
+ .audit_rule_init =
+ LIST_HEAD_INIT(security_hook_heads.audit_rule_init),
+ .audit_rule_known =
+ LIST_HEAD_INIT(security_hook_heads.audit_rule_known),
+ .audit_rule_match =
+ LIST_HEAD_INIT(security_hook_heads.audit_rule_match),
+ .audit_rule_free =
+ LIST_HEAD_INIT(security_hook_heads.audit_rule_free),
+#endif /* CONFIG_AUDIT */
+};