1896 lines
50 KiB
C
1896 lines
50 KiB
C
/*
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* Linux Security plug
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*
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* Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
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* Copyright (C) 2001 Greg Kroah-Hartman <greg@kroah.com>
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* Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
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* Copyright (C) 2001 James Morris <jmorris@intercode.com.au>
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* Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group)
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* Copyright (C) 2016 Mellanox Techonologies
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Due to this file being licensed under the GPL there is controversy over
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* whether this permits you to write a module that #includes this file
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* without placing your module under the GPL. Please consult a lawyer for
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* advice before doing this.
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*
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*/
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#ifndef __LINUX_SECURITY_H
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#define __LINUX_SECURITY_H
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#include <linux/key.h>
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#include <linux/capability.h>
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#include <linux/fs.h>
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#include <linux/slab.h>
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#include <linux/err.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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#include <linux/fs.h>
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struct linux_binprm;
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struct cred;
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struct rlimit;
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struct siginfo;
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struct sembuf;
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struct kern_ipc_perm;
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struct audit_context;
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struct super_block;
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struct inode;
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struct dentry;
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struct file;
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struct vfsmount;
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struct path;
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struct qstr;
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struct iattr;
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struct fown_struct;
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struct file_operations;
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struct msg_msg;
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struct xattr;
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struct xfrm_sec_ctx;
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struct mm_struct;
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#ifdef CONFIG_KDP_CRED
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#include <linux/kdp.h>
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#else
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#define security_integrity_current() 0
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#endif
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/* Default (no) options for the capable function */
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#define CAP_OPT_NONE 0x0
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/* If capable should audit the security request */
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#define CAP_OPT_NOAUDIT BIT(1)
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/* If capable is being called by a setid function */
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#define CAP_OPT_INSETID BIT(2)
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/* LSM Agnostic defines for sb_set_mnt_opts */
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#define SECURITY_LSM_NATIVE_LABELS 1
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struct ctl_table;
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struct audit_krule;
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struct user_namespace;
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struct timezone;
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enum lsm_event {
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LSM_POLICY_CHANGE,
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};
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/* These functions are in security/commoncap.c */
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extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
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int cap, unsigned int opts);
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extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
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extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
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extern int cap_ptrace_traceme(struct task_struct *parent);
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extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
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extern int cap_capset(struct cred *new, const struct cred *old,
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const kernel_cap_t *effective,
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const kernel_cap_t *inheritable,
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const kernel_cap_t *permitted);
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extern int cap_bprm_set_creds(struct linux_binprm *bprm);
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extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
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const void *value, size_t size, int flags);
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extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
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extern int cap_inode_need_killpriv(struct dentry *dentry);
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extern int cap_inode_killpriv(struct dentry *dentry);
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extern int cap_inode_getsecurity(struct inode *inode, const char *name,
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void **buffer, bool alloc);
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extern int cap_mmap_addr(unsigned long addr);
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extern int cap_mmap_file(struct file *file, unsigned long reqprot,
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unsigned long prot, unsigned long flags);
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extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
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extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
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unsigned long arg4, unsigned long arg5);
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extern int cap_task_setscheduler(struct task_struct *p);
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extern int cap_task_setioprio(struct task_struct *p, int ioprio);
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extern int cap_task_setnice(struct task_struct *p, int nice);
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extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
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struct msghdr;
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struct sk_buff;
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struct sock;
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struct sockaddr;
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struct socket;
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struct flowi;
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struct dst_entry;
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struct xfrm_selector;
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struct xfrm_policy;
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struct xfrm_state;
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struct xfrm_user_sec_ctx;
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struct seq_file;
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struct sctp_endpoint;
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#ifdef CONFIG_MMU
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extern unsigned long mmap_min_addr;
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extern unsigned long dac_mmap_min_addr;
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#else
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#define mmap_min_addr 0UL
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#define dac_mmap_min_addr 0UL
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#endif
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/*
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* Values used in the task_security_ops calls
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*/
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/* setuid or setgid, id0 == uid or gid */
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#define LSM_SETID_ID 1
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/* setreuid or setregid, id0 == real, id1 == eff */
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#define LSM_SETID_RE 2
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/* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
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#define LSM_SETID_RES 4
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/* setfsuid or setfsgid, id0 == fsuid or fsgid */
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#define LSM_SETID_FS 8
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/* Flags for security_task_prlimit(). */
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#define LSM_PRLIMIT_READ 1
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#define LSM_PRLIMIT_WRITE 2
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/* forward declares to avoid warnings */
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struct sched_param;
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struct request_sock;
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/* bprm->unsafe reasons */
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#define LSM_UNSAFE_SHARE 1
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#define LSM_UNSAFE_PTRACE 2
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#define LSM_UNSAFE_NO_NEW_PRIVS 4
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#ifdef CONFIG_MMU
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extern int mmap_min_addr_handler(struct ctl_table *table, int write,
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void __user *buffer, size_t *lenp, loff_t *ppos);
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#endif
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/* security_inode_init_security callback function to write xattrs */
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typedef int (*initxattrs) (struct inode *inode,
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const struct xattr *xattr_array, void *fs_data);
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/* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
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#define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
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#define __data_id_stringify(dummy, str) #str,
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enum kernel_load_data_id {
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__kernel_read_file_id(__data_id_enumify)
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};
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static const char * const kernel_load_data_str[] = {
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__kernel_read_file_id(__data_id_stringify)
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};
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static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
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{
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if ((unsigned)id >= LOADING_MAX_ID)
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return kernel_load_data_str[LOADING_UNKNOWN];
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return kernel_load_data_str[id];
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}
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#ifdef CONFIG_SECURITY
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struct security_mnt_opts {
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char **mnt_opts;
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int *mnt_opts_flags;
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int num_mnt_opts;
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};
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int call_lsm_notifier(enum lsm_event event, void *data);
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int register_lsm_notifier(struct notifier_block *nb);
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int unregister_lsm_notifier(struct notifier_block *nb);
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static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
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{
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opts->mnt_opts = NULL;
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opts->mnt_opts_flags = NULL;
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opts->num_mnt_opts = 0;
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}
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static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
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{
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int i;
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if (opts->mnt_opts)
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for (i = 0; i < opts->num_mnt_opts; i++)
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kfree(opts->mnt_opts[i]);
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kfree(opts->mnt_opts);
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opts->mnt_opts = NULL;
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kfree(opts->mnt_opts_flags);
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opts->mnt_opts_flags = NULL;
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opts->num_mnt_opts = 0;
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}
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/* prototypes */
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extern int security_init(void);
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/* Security operations */
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int security_binder_set_context_mgr(const struct cred *mgr);
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int security_binder_transaction(const struct cred *from,
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const struct cred *to);
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int security_binder_transfer_binder(const struct cred *from,
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const struct cred *to);
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int security_binder_transfer_file(const struct cred *from,
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const struct cred *to, struct file *file);
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int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
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int security_ptrace_traceme(struct task_struct *parent);
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int security_capget(struct task_struct *target,
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kernel_cap_t *effective,
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kernel_cap_t *inheritable,
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kernel_cap_t *permitted);
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int security_capset(struct cred *new, const struct cred *old,
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const kernel_cap_t *effective,
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const kernel_cap_t *inheritable,
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const kernel_cap_t *permitted);
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int security_capable(const struct cred *cred,
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struct user_namespace *ns,
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int cap,
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unsigned int opts);
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int security_quotactl(int cmds, int type, int id, struct super_block *sb);
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int security_quota_on(struct dentry *dentry);
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int security_syslog(int type);
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int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
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int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
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int security_bprm_set_creds(struct linux_binprm *bprm);
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int security_bprm_check(struct linux_binprm *bprm);
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void security_bprm_committing_creds(struct linux_binprm *bprm);
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void security_bprm_committed_creds(struct linux_binprm *bprm);
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int security_sb_alloc(struct super_block *sb);
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void security_sb_free(struct super_block *sb);
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int security_sb_copy_data(char *orig, char *copy);
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int security_sb_remount(struct super_block *sb, void *data);
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int security_sb_kern_mount(struct super_block *sb, int flags, void *data);
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int security_sb_show_options(struct seq_file *m, struct super_block *sb);
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int security_sb_statfs(struct dentry *dentry);
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int security_sb_mount(const char *dev_name, const struct path *path,
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const char *type, unsigned long flags, void *data);
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int security_sb_umount(struct vfsmount *mnt, int flags);
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int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
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int security_sb_set_mnt_opts(struct super_block *sb,
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struct security_mnt_opts *opts,
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unsigned long kern_flags,
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unsigned long *set_kern_flags);
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int security_sb_clone_mnt_opts(const struct super_block *oldsb,
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struct super_block *newsb,
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unsigned long kern_flags,
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unsigned long *set_kern_flags);
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int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts);
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int security_dentry_init_security(struct dentry *dentry, int mode,
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const struct qstr *name, void **ctx,
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u32 *ctxlen);
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int security_dentry_create_files_as(struct dentry *dentry, int mode,
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struct qstr *name,
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const struct cred *old,
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struct cred *new);
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int security_inode_alloc(struct inode *inode);
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void security_inode_free(struct inode *inode);
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int security_inode_init_security(struct inode *inode, struct inode *dir,
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const struct qstr *qstr,
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initxattrs initxattrs, void *fs_data);
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int security_old_inode_init_security(struct inode *inode, struct inode *dir,
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const struct qstr *qstr, const char **name,
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void **value, size_t *len);
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int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
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int security_inode_link(struct dentry *old_dentry, struct inode *dir,
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struct dentry *new_dentry);
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int security_inode_unlink(struct inode *dir, struct dentry *dentry);
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int security_inode_symlink(struct inode *dir, struct dentry *dentry,
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const char *old_name);
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int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
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int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
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int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
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int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
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struct inode *new_dir, struct dentry *new_dentry,
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unsigned int flags);
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int security_inode_readlink(struct dentry *dentry);
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int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
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bool rcu);
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int security_inode_permission(struct inode *inode, int mask);
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int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
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int security_inode_getattr(const struct path *path);
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int security_inode_setxattr(struct dentry *dentry, const char *name,
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const void *value, size_t size, int flags);
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void security_inode_post_setxattr(struct dentry *dentry, const char *name,
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const void *value, size_t size, int flags);
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int security_inode_getxattr(struct dentry *dentry, const char *name);
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int security_inode_listxattr(struct dentry *dentry);
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int security_inode_removexattr(struct dentry *dentry, const char *name);
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int security_inode_need_killpriv(struct dentry *dentry);
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int security_inode_killpriv(struct dentry *dentry);
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int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
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int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
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int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
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void security_inode_getsecid(struct inode *inode, u32 *secid);
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int security_inode_copy_up(struct dentry *src, struct cred **new);
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int security_inode_copy_up_xattr(const char *name);
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int security_file_permission(struct file *file, int mask);
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int security_file_alloc(struct file *file);
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void security_file_free(struct file *file);
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int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
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int security_mmap_file(struct file *file, unsigned long prot,
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unsigned long flags);
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int security_mmap_addr(unsigned long addr);
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int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
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unsigned long prot);
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int security_file_lock(struct file *file, unsigned int cmd);
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int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
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void security_file_set_fowner(struct file *file);
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int security_file_send_sigiotask(struct task_struct *tsk,
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struct fown_struct *fown, int sig);
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int security_file_receive(struct file *file);
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int security_file_open(struct file *file);
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int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
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void security_task_free(struct task_struct *task);
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int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
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void security_cred_free(struct cred *cred);
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int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
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void security_transfer_creds(struct cred *new, const struct cred *old);
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void security_cred_getsecid(const struct cred *c, u32 *secid);
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int security_kernel_act_as(struct cred *new, u32 secid);
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int security_kernel_create_files_as(struct cred *new, struct inode *inode);
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int security_kernel_module_request(char *kmod_name);
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int security_kernel_load_data(enum kernel_load_data_id id);
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int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
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int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
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enum kernel_read_file_id id);
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int security_task_fix_setuid(struct cred *new, const struct cred *old,
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int flags);
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int security_task_setpgid(struct task_struct *p, pid_t pgid);
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int security_task_getpgid(struct task_struct *p);
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int security_task_getsid(struct task_struct *p);
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void security_task_getsecid(struct task_struct *p, u32 *secid);
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int security_task_setnice(struct task_struct *p, int nice);
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int security_task_setioprio(struct task_struct *p, int ioprio);
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int security_task_getioprio(struct task_struct *p);
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int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
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unsigned int flags);
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int security_task_setrlimit(struct task_struct *p, unsigned int resource,
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struct rlimit *new_rlim);
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int security_task_setscheduler(struct task_struct *p);
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int security_task_getscheduler(struct task_struct *p);
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int security_task_movememory(struct task_struct *p);
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int security_task_kill(struct task_struct *p, struct siginfo *info,
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int sig, const struct cred *cred);
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int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
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unsigned long arg4, unsigned long arg5);
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void security_task_to_inode(struct task_struct *p, struct inode *inode);
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int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
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void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
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int security_msg_msg_alloc(struct msg_msg *msg);
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void security_msg_msg_free(struct msg_msg *msg);
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int security_msg_queue_alloc(struct kern_ipc_perm *msq);
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void security_msg_queue_free(struct kern_ipc_perm *msq);
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int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
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int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
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int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
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struct msg_msg *msg, int msqflg);
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int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
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struct task_struct *target, long type, int mode);
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int security_shm_alloc(struct kern_ipc_perm *shp);
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void security_shm_free(struct kern_ipc_perm *shp);
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int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
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int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
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int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
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int security_sem_alloc(struct kern_ipc_perm *sma);
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void security_sem_free(struct kern_ipc_perm *sma);
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int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
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int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
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int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
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unsigned nsops, int alter);
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void security_d_instantiate(struct dentry *dentry, struct inode *inode);
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int security_getprocattr(struct task_struct *p, char *name, char **value);
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int security_setprocattr(const char *name, void *value, size_t size);
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int security_netlink_send(struct sock *sk, struct sk_buff *skb);
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int security_ismaclabel(const char *name);
|
|
int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
|
|
int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
|
|
void security_release_secctx(char *secdata, u32 seclen);
|
|
|
|
void security_inode_invalidate_secctx(struct inode *inode);
|
|
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 {
|
|
};
|
|
|
|
static inline int call_lsm_notifier(enum lsm_event event, void *data)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int register_lsm_notifier(struct notifier_block *nb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int unregister_lsm_notifier(struct notifier_block *nb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
|
|
{
|
|
}
|
|
|
|
static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* This is the default capabilities functionality. Most of these functions
|
|
* are just stubbed out, but a few must call the proper capable code.
|
|
*/
|
|
|
|
static inline int security_init(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_binder_set_context_mgr(const struct cred *mgr)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_binder_transaction(const struct cred *from,
|
|
const struct cred *to)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_binder_transfer_binder(const struct cred *from,
|
|
const struct cred *to)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_binder_transfer_file(const struct cred *from,
|
|
const struct cred *to,
|
|
struct file *file)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_ptrace_access_check(struct task_struct *child,
|
|
unsigned int mode)
|
|
{
|
|
return cap_ptrace_access_check(child, mode);
|
|
}
|
|
|
|
static inline int security_ptrace_traceme(struct task_struct *parent)
|
|
{
|
|
return cap_ptrace_traceme(parent);
|
|
}
|
|
|
|
static inline int security_capget(struct task_struct *target,
|
|
kernel_cap_t *effective,
|
|
kernel_cap_t *inheritable,
|
|
kernel_cap_t *permitted)
|
|
{
|
|
return cap_capget(target, effective, inheritable, permitted);
|
|
}
|
|
|
|
static inline int security_capset(struct cred *new,
|
|
const struct cred *old,
|
|
const kernel_cap_t *effective,
|
|
const kernel_cap_t *inheritable,
|
|
const kernel_cap_t *permitted)
|
|
{
|
|
return cap_capset(new, old, effective, inheritable, permitted);
|
|
}
|
|
|
|
static inline int security_capable(const struct cred *cred,
|
|
struct user_namespace *ns,
|
|
int cap,
|
|
unsigned int opts)
|
|
{
|
|
return cap_capable(cred, ns, cap, opts);
|
|
}
|
|
|
|
static inline int security_quotactl(int cmds, int type, int id,
|
|
struct super_block *sb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_quota_on(struct dentry *dentry)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_syslog(int type)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_settime64(const struct timespec64 *ts,
|
|
const struct timezone *tz)
|
|
{
|
|
return cap_settime(ts, tz);
|
|
}
|
|
|
|
static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
|
|
{
|
|
return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
|
|
}
|
|
|
|
static inline int security_bprm_set_creds(struct linux_binprm *bprm)
|
|
{
|
|
return cap_bprm_set_creds(bprm);
|
|
}
|
|
|
|
static inline int security_bprm_check(struct linux_binprm *bprm)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
|
|
{
|
|
}
|
|
|
|
static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
|
|
{
|
|
}
|
|
|
|
static inline int security_sb_alloc(struct super_block *sb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_sb_free(struct super_block *sb)
|
|
{ }
|
|
|
|
static inline int security_sb_copy_data(char *orig, char *copy)
|
|
{
|
|
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;
|
|
}
|
|
|
|
static inline int security_sb_show_options(struct seq_file *m,
|
|
struct super_block *sb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_sb_statfs(struct dentry *dentry)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_sb_mount(const char *dev_name, const struct path *path,
|
|
const char *type, unsigned long flags,
|
|
void *data)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_sb_umount(struct vfsmount *mnt, int flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_sb_pivotroot(const struct path *old_path,
|
|
const struct path *new_path)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline 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 0;
|
|
}
|
|
|
|
static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
|
|
struct super_block *newsb,
|
|
unsigned long kern_flags,
|
|
unsigned long *set_kern_flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_alloc(struct inode *inode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_inode_free(struct inode *inode)
|
|
{ }
|
|
|
|
static inline int security_dentry_init_security(struct dentry *dentry,
|
|
int mode,
|
|
const struct qstr *name,
|
|
void **ctx,
|
|
u32 *ctxlen)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int security_dentry_create_files_as(struct dentry *dentry,
|
|
int mode, struct qstr *name,
|
|
const struct cred *old,
|
|
struct cred *new)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
|
|
static inline int security_inode_init_security(struct inode *inode,
|
|
struct inode *dir,
|
|
const struct qstr *qstr,
|
|
const initxattrs xattrs,
|
|
void *fs_data)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_old_inode_init_security(struct inode *inode,
|
|
struct inode *dir,
|
|
const struct qstr *qstr,
|
|
const char **name,
|
|
void **value, size_t *len)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int security_inode_create(struct inode *dir,
|
|
struct dentry *dentry,
|
|
umode_t mode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_link(struct dentry *old_dentry,
|
|
struct inode *dir,
|
|
struct dentry *new_dentry)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_unlink(struct inode *dir,
|
|
struct dentry *dentry)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_symlink(struct inode *dir,
|
|
struct dentry *dentry,
|
|
const char *old_name)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_mkdir(struct inode *dir,
|
|
struct dentry *dentry,
|
|
int mode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_rmdir(struct inode *dir,
|
|
struct dentry *dentry)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_mknod(struct inode *dir,
|
|
struct dentry *dentry,
|
|
int mode, dev_t dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_rename(struct inode *old_dir,
|
|
struct dentry *old_dentry,
|
|
struct inode *new_dir,
|
|
struct dentry *new_dentry,
|
|
unsigned int flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_readlink(struct dentry *dentry)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_follow_link(struct dentry *dentry,
|
|
struct inode *inode,
|
|
bool rcu)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_permission(struct inode *inode, int mask)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_setattr(struct dentry *dentry,
|
|
struct iattr *attr)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_getattr(const struct path *path)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_setxattr(struct dentry *dentry,
|
|
const char *name, const void *value, size_t size, int flags)
|
|
{
|
|
return cap_inode_setxattr(dentry, name, value, size, flags);
|
|
}
|
|
|
|
static inline void security_inode_post_setxattr(struct dentry *dentry,
|
|
const char *name, const void *value, size_t size, int flags)
|
|
{ }
|
|
|
|
static inline int security_inode_getxattr(struct dentry *dentry,
|
|
const char *name)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_listxattr(struct dentry *dentry)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_removexattr(struct dentry *dentry,
|
|
const char *name)
|
|
{
|
|
return cap_inode_removexattr(dentry, name);
|
|
}
|
|
|
|
static inline int security_inode_need_killpriv(struct dentry *dentry)
|
|
{
|
|
return cap_inode_need_killpriv(dentry);
|
|
}
|
|
|
|
static inline int security_inode_killpriv(struct dentry *dentry)
|
|
{
|
|
return cap_inode_killpriv(dentry);
|
|
}
|
|
|
|
static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
|
|
{
|
|
return cap_inode_getsecurity(inode, name, buffer, alloc);
|
|
}
|
|
|
|
static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
|
|
{
|
|
*secid = 0;
|
|
}
|
|
|
|
static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_inode_copy_up_xattr(const char *name)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int security_file_permission(struct file *file, int mask)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_file_alloc(struct file *file)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_file_free(struct file *file)
|
|
{ }
|
|
|
|
static inline int security_file_ioctl(struct file *file, unsigned int cmd,
|
|
unsigned long arg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_mmap_file(struct file *file, unsigned long prot,
|
|
unsigned long flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_mmap_addr(unsigned long addr)
|
|
{
|
|
return cap_mmap_addr(addr);
|
|
}
|
|
|
|
static inline int security_file_mprotect(struct vm_area_struct *vma,
|
|
unsigned long reqprot,
|
|
unsigned long prot)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_file_lock(struct file *file, unsigned int cmd)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_file_fcntl(struct file *file, unsigned int cmd,
|
|
unsigned long arg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_file_set_fowner(struct file *file)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static inline int security_file_send_sigiotask(struct task_struct *tsk,
|
|
struct fown_struct *fown,
|
|
int sig)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_file_receive(struct file *file)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_file_open(struct file *file)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_task_alloc(struct task_struct *task,
|
|
unsigned long clone_flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_task_free(struct task_struct *task)
|
|
{ }
|
|
|
|
static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_cred_free(struct cred *cred)
|
|
{ }
|
|
|
|
static inline int security_prepare_creds(struct cred *new,
|
|
const struct cred *old,
|
|
gfp_t gfp)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_transfer_creds(struct cred *new,
|
|
const struct cred *old)
|
|
{
|
|
}
|
|
|
|
static inline void security_cred_getsecid(const struct cred *c, u32 *secid)
|
|
{
|
|
*secid = 0;
|
|
}
|
|
|
|
static inline int security_kernel_act_as(struct cred *cred, u32 secid)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_kernel_create_files_as(struct cred *cred,
|
|
struct inode *inode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_kernel_module_request(char *kmod_name)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_kernel_load_data(enum kernel_load_data_id id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_kernel_read_file(struct file *file,
|
|
enum kernel_read_file_id id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_kernel_post_read_file(struct file *file,
|
|
char *buf, loff_t size,
|
|
enum kernel_read_file_id id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_task_fix_setuid(struct cred *new,
|
|
const struct cred *old,
|
|
int flags)
|
|
{
|
|
return cap_task_fix_setuid(new, old, flags);
|
|
}
|
|
|
|
static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_task_getpgid(struct task_struct *p)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_task_getsid(struct task_struct *p)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
|
|
{
|
|
*secid = 0;
|
|
}
|
|
|
|
static inline int security_task_setnice(struct task_struct *p, int nice)
|
|
{
|
|
return cap_task_setnice(p, nice);
|
|
}
|
|
|
|
static inline int security_task_setioprio(struct task_struct *p, int ioprio)
|
|
{
|
|
return cap_task_setioprio(p, ioprio);
|
|
}
|
|
|
|
static inline int security_task_getioprio(struct task_struct *p)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_task_prlimit(const struct cred *cred,
|
|
const struct cred *tcred,
|
|
unsigned int flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
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)
|
|
{
|
|
return cap_task_setscheduler(p);
|
|
}
|
|
|
|
static inline int security_task_getscheduler(struct task_struct *p)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_task_movememory(struct task_struct *p)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_task_kill(struct task_struct *p,
|
|
struct siginfo *info, int sig,
|
|
const struct cred *cred)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_task_prctl(int option, unsigned long arg2,
|
|
unsigned long arg3,
|
|
unsigned long arg4,
|
|
unsigned long arg5)
|
|
{
|
|
return cap_task_prctl(option, arg2, arg3, arg4, arg5);
|
|
}
|
|
|
|
static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
|
|
{ }
|
|
|
|
static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
|
|
short flag)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
|
|
{
|
|
*secid = 0;
|
|
}
|
|
|
|
static inline int security_msg_msg_alloc(struct msg_msg *msg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_msg_msg_free(struct msg_msg *msg)
|
|
{ }
|
|
|
|
static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
|
|
{ }
|
|
|
|
static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
|
|
int msqflg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
|
|
struct msg_msg *msg, int msqflg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
|
|
struct msg_msg *msg,
|
|
struct task_struct *target,
|
|
long type, int mode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_shm_alloc(struct kern_ipc_perm *shp)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_shm_free(struct kern_ipc_perm *shp)
|
|
{ }
|
|
|
|
static inline int security_shm_associate(struct kern_ipc_perm *shp,
|
|
int shmflg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_shm_shmat(struct kern_ipc_perm *shp,
|
|
char __user *shmaddr, int shmflg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_sem_alloc(struct kern_ipc_perm *sma)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_sem_free(struct kern_ipc_perm *sma)
|
|
{ }
|
|
|
|
static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_sem_semop(struct kern_ipc_perm *sma,
|
|
struct sembuf *sops, unsigned nsops,
|
|
int alter)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_d_instantiate(struct dentry *dentry, struct inode *inode)
|
|
{ }
|
|
|
|
static inline int security_getprocattr(struct task_struct *p, char *name, char **value)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
static inline int security_setprocattr(char *name, void *value, size_t size)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_ismaclabel(const char *name)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int security_secctx_to_secid(const char *secdata,
|
|
u32 seclen,
|
|
u32 *secid)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline void security_release_secctx(char *secdata, u32 seclen)
|
|
{
|
|
}
|
|
|
|
static inline void security_inode_invalidate_secctx(struct inode *inode)
|
|
{
|
|
}
|
|
|
|
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 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,
|
|
int type, int protocol, int kern);
|
|
int security_socket_socketpair(struct socket *socka, struct socket *sockb);
|
|
int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
|
|
int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
|
|
int security_socket_listen(struct socket *sock, int backlog);
|
|
int security_socket_accept(struct socket *sock, struct socket *newsock);
|
|
int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
|
|
int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
|
|
int size, int flags);
|
|
int security_socket_getsockname(struct socket *sock);
|
|
int security_socket_getpeername(struct socket *sock);
|
|
int security_socket_getsockopt(struct socket *sock, int level, int optname);
|
|
int security_socket_setsockopt(struct socket *sock, int level, int optname);
|
|
int security_socket_shutdown(struct socket *sock, int how);
|
|
int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
|
|
int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
|
|
int __user *optlen, unsigned len);
|
|
int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
|
|
int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
|
|
void security_sk_free(struct sock *sk);
|
|
void security_sk_clone(const struct sock *sk, struct sock *newsk);
|
|
void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
|
|
void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
|
|
void security_sock_graft(struct sock*sk, struct socket *parent);
|
|
int security_inet_conn_request(struct sock *sk,
|
|
struct sk_buff *skb, struct request_sock *req);
|
|
void security_inet_csk_clone(struct sock *newsk,
|
|
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_alloc_security(void **security);
|
|
void security_tun_dev_free_security(void *security);
|
|
int security_tun_dev_create(void);
|
|
int security_tun_dev_attach_queue(void *security);
|
|
int security_tun_dev_attach(struct sock *sk, void *security);
|
|
int security_tun_dev_open(void *security);
|
|
int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
|
|
int security_sctp_bind_connect(struct sock *sk, int optname,
|
|
struct sockaddr *address, int addrlen);
|
|
void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
|
|
struct sock *newsk);
|
|
|
|
#else /* CONFIG_SECURITY_NETWORK */
|
|
static inline int security_unix_stream_connect(struct sock *sock,
|
|
struct sock *other,
|
|
struct sock *newsk)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_unix_may_send(struct socket *sock,
|
|
struct socket *other)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_create(int family, int type,
|
|
int protocol, int kern)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_post_create(struct socket *sock,
|
|
int family,
|
|
int type,
|
|
int protocol, int kern)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_socketpair(struct socket *socka,
|
|
struct socket *sockb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_bind(struct socket *sock,
|
|
struct sockaddr *address,
|
|
int addrlen)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_connect(struct socket *sock,
|
|
struct sockaddr *address,
|
|
int addrlen)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_listen(struct socket *sock, int backlog)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_accept(struct socket *sock,
|
|
struct socket *newsock)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_sendmsg(struct socket *sock,
|
|
struct msghdr *msg, int size)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_recvmsg(struct socket *sock,
|
|
struct msghdr *msg, int size,
|
|
int flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_getsockname(struct socket *sock)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_getpeername(struct socket *sock)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_getsockopt(struct socket *sock,
|
|
int level, int optname)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_setsockopt(struct socket *sock,
|
|
int level, int optname)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_shutdown(struct socket *sock, int how)
|
|
{
|
|
return 0;
|
|
}
|
|
static inline int security_sock_rcv_skb(struct sock *sk,
|
|
struct sk_buff *skb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
|
|
int __user *optlen, unsigned len)
|
|
{
|
|
return -ENOPROTOOPT;
|
|
}
|
|
|
|
static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
|
|
{
|
|
return -ENOPROTOOPT;
|
|
}
|
|
|
|
static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_sk_free(struct sock *sk)
|
|
{
|
|
}
|
|
|
|
static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
|
|
{
|
|
}
|
|
|
|
static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
|
|
{
|
|
}
|
|
|
|
static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
|
|
{
|
|
}
|
|
|
|
static inline void security_sock_graft(struct sock *sk, struct socket *parent)
|
|
{
|
|
}
|
|
|
|
static inline int security_inet_conn_request(struct sock *sk,
|
|
struct sk_buff *skb, struct request_sock *req)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_inet_csk_clone(struct sock *newsk,
|
|
const struct request_sock *req)
|
|
{
|
|
}
|
|
|
|
static inline void security_inet_conn_established(struct sock *sk,
|
|
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_alloc_security(void **security)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_tun_dev_free_security(void *security)
|
|
{
|
|
}
|
|
|
|
static inline int security_tun_dev_create(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_tun_dev_attach_queue(void *security)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_tun_dev_attach(struct sock *sk, void *security)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_tun_dev_open(void *security)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
|
|
struct sk_buff *skb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_sctp_bind_connect(struct sock *sk, int optname,
|
|
struct sockaddr *address,
|
|
int addrlen)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
|
|
struct sock *sk,
|
|
struct sock *newsk)
|
|
{
|
|
}
|
|
#endif /* CONFIG_SECURITY_NETWORK */
|
|
|
|
#ifdef CONFIG_SECURITY_INFINIBAND
|
|
int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
|
|
int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
|
|
int security_ib_alloc_security(void **sec);
|
|
void security_ib_free_security(void *sec);
|
|
#else /* CONFIG_SECURITY_INFINIBAND */
|
|
static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_ib_alloc_security(void **sec)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_ib_free_security(void *sec)
|
|
{
|
|
}
|
|
#endif /* CONFIG_SECURITY_INFINIBAND */
|
|
|
|
#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);
|
|
int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
|
|
void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
|
|
int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
|
|
int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
|
|
int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
|
|
struct xfrm_sec_ctx *polsec, u32 secid);
|
|
int security_xfrm_state_delete(struct xfrm_state *x);
|
|
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,
|
|
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);
|
|
|
|
#else /* CONFIG_SECURITY_NETWORK_XFRM */
|
|
|
|
static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
|
|
struct xfrm_user_sec_ctx *sec_ctx,
|
|
gfp_t gfp)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
|
|
{
|
|
}
|
|
|
|
static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_xfrm_state_alloc(struct xfrm_state *x,
|
|
struct xfrm_user_sec_ctx *sec_ctx)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
|
|
struct xfrm_sec_ctx *polsec, u32 secid)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_xfrm_state_free(struct xfrm_state *x)
|
|
{
|
|
}
|
|
|
|
static inline int security_xfrm_state_delete(struct xfrm_state *x)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
|
|
struct xfrm_policy *xp, const struct flowi *fl)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
|
|
{
|
|
}
|
|
|
|
#endif /* CONFIG_SECURITY_NETWORK_XFRM */
|
|
|
|
#ifdef CONFIG_SECURITY_PATH
|
|
int security_path_unlink(const struct path *dir, struct dentry *dentry);
|
|
int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
|
|
int security_path_rmdir(const struct path *dir, struct dentry *dentry);
|
|
int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
|
|
unsigned int dev);
|
|
int security_path_truncate(const struct path *path);
|
|
int security_path_symlink(const struct path *dir, struct dentry *dentry,
|
|
const char *old_name);
|
|
int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
|
|
struct dentry *new_dentry);
|
|
int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
|
|
const struct path *new_dir, struct dentry *new_dentry,
|
|
unsigned int flags);
|
|
int security_path_chmod(const struct path *path, umode_t mode);
|
|
int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
|
|
int security_path_chroot(const struct path *path);
|
|
#else /* CONFIG_SECURITY_PATH */
|
|
static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
|
|
umode_t mode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
|
|
umode_t mode, unsigned int dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_path_truncate(const struct path *path)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
|
|
const char *old_name)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_path_link(struct dentry *old_dentry,
|
|
const struct path *new_dir,
|
|
struct dentry *new_dentry)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_path_rename(const struct path *old_dir,
|
|
struct dentry *old_dentry,
|
|
const struct path *new_dir,
|
|
struct dentry *new_dentry,
|
|
unsigned int flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_path_chmod(const struct path *path, umode_t mode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_path_chroot(const struct path *path)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_SECURITY_PATH */
|
|
|
|
#ifdef CONFIG_KEYS
|
|
#ifdef CONFIG_SECURITY
|
|
|
|
int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
|
|
void security_key_free(struct key *key);
|
|
int security_key_permission(key_ref_t key_ref,
|
|
const struct cred *cred, unsigned perm);
|
|
int security_key_getsecurity(struct key *key, char **_buffer);
|
|
|
|
#else
|
|
|
|
static inline int security_key_alloc(struct key *key,
|
|
const struct cred *cred,
|
|
unsigned long flags)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_key_free(struct key *key)
|
|
{
|
|
}
|
|
|
|
static inline int security_key_permission(key_ref_t key_ref,
|
|
const struct cred *cred,
|
|
unsigned perm)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_key_getsecurity(struct key *key, char **_buffer)
|
|
{
|
|
*_buffer = NULL;
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
#endif /* CONFIG_KEYS */
|
|
|
|
#ifdef CONFIG_AUDIT
|
|
#ifdef CONFIG_SECURITY
|
|
int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
|
|
int security_audit_rule_known(struct audit_krule *krule);
|
|
int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
|
|
struct audit_context *actx);
|
|
void security_audit_rule_free(void *lsmrule);
|
|
|
|
#else
|
|
|
|
static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
|
|
void **lsmrule)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_audit_rule_known(struct audit_krule *krule)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
|
|
void *lsmrule, struct audit_context *actx)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_audit_rule_free(void *lsmrule)
|
|
{ }
|
|
|
|
#endif /* CONFIG_SECURITY */
|
|
#endif /* CONFIG_AUDIT */
|
|
|
|
#ifdef CONFIG_SECURITYFS
|
|
|
|
extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
|
|
struct dentry *parent, void *data,
|
|
const struct file_operations *fops);
|
|
extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
|
|
struct dentry *securityfs_create_symlink(const char *name,
|
|
struct dentry *parent,
|
|
const char *target,
|
|
const struct inode_operations *iops);
|
|
extern void securityfs_remove(struct dentry *dentry);
|
|
|
|
#else /* CONFIG_SECURITYFS */
|
|
|
|
static inline struct dentry *securityfs_create_dir(const char *name,
|
|
struct dentry *parent)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *securityfs_create_file(const char *name,
|
|
umode_t mode,
|
|
struct dentry *parent,
|
|
void *data,
|
|
const struct file_operations *fops)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline struct dentry *securityfs_create_symlink(const char *name,
|
|
struct dentry *parent,
|
|
const char *target,
|
|
const struct inode_operations *iops)
|
|
{
|
|
return ERR_PTR(-ENODEV);
|
|
}
|
|
|
|
static inline void securityfs_remove(struct dentry *dentry)
|
|
{}
|
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_BPF_SYSCALL
|
|
union bpf_attr;
|
|
struct bpf_map;
|
|
struct bpf_prog;
|
|
struct bpf_prog_aux;
|
|
#ifdef CONFIG_SECURITY
|
|
extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
|
|
extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
|
|
extern int security_bpf_prog(struct bpf_prog *prog);
|
|
extern int security_bpf_map_alloc(struct bpf_map *map);
|
|
extern void security_bpf_map_free(struct bpf_map *map);
|
|
extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
|
|
extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
|
|
#else
|
|
static inline int security_bpf(int cmd, union bpf_attr *attr,
|
|
unsigned int size)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_bpf_prog(struct bpf_prog *prog)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_bpf_map_alloc(struct bpf_map *map)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_bpf_map_free(struct bpf_map *map)
|
|
{ }
|
|
|
|
static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
|
|
{ }
|
|
#endif /* CONFIG_SECURITY */
|
|
#endif /* CONFIG_BPF_SYSCALL */
|
|
|
|
#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 */
|
|
|
|
#ifdef CONFIG_PERF_EVENTS
|
|
struct perf_event_attr;
|
|
struct perf_event;
|
|
|
|
#ifdef CONFIG_SECURITY
|
|
extern int security_perf_event_open(struct perf_event_attr *attr, int type);
|
|
extern int security_perf_event_alloc(struct perf_event *event);
|
|
extern void security_perf_event_free(struct perf_event *event);
|
|
extern int security_perf_event_read(struct perf_event *event);
|
|
extern int security_perf_event_write(struct perf_event *event);
|
|
#else
|
|
static inline int security_perf_event_open(struct perf_event_attr *attr,
|
|
int type)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_perf_event_alloc(struct perf_event *event)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void security_perf_event_free(struct perf_event *event)
|
|
{
|
|
}
|
|
|
|
static inline int security_perf_event_read(struct perf_event *event)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_perf_event_write(struct perf_event *event)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_SECURITY */
|
|
#endif /* CONFIG_PERF_EVENTS */
|
|
|
|
#endif /* ! __LINUX_SECURITY_H */
|