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https://github.com/brain-hackers/linux-brain.git
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ae7795bc61
Linus recently observed that if we did not worry about the padding member in struct siginfo it is only about 48 bytes, and 48 bytes is much nicer than 128 bytes for allocating on the stack and copying around in the kernel. The obvious thing of only adding the padding when userspace is including siginfo.h won't work as there are sigframe definitions in the kernel that embed struct siginfo. So split siginfo in two; kernel_siginfo and siginfo. Keeping the traditional name for the userspace definition. While the version that is used internally to the kernel and ultimately will not be padded to 128 bytes is called kernel_siginfo. The definition of struct kernel_siginfo I have put in include/signal_types.h A set of buildtime checks has been added to verify the two structures have the same field offsets. To make it easy to verify the change kernel_siginfo retains the same size as siginfo. The reduction in size comes in a following change. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
1848 lines
49 KiB
C
1848 lines
49 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 kernel_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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/* If capable should audit the security request */
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#define SECURITY_CAP_NOAUDIT 0
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#define SECURITY_CAP_AUDIT 1
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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, int audit);
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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(struct task_struct *mgr);
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int security_binder_transaction(struct task_struct *from,
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struct task_struct *to);
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int security_binder_transfer_binder(struct task_struct *from,
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struct task_struct *to);
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int security_binder_transfer_file(struct task_struct *from,
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struct task_struct *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, struct user_namespace *ns,
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int cap);
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int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
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int cap);
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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 kernel_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,
|
|
unsigned nsops, int alter);
|
|
void security_d_instantiate(struct dentry *dentry, struct inode *inode);
|
|
int security_getprocattr(struct task_struct *p, char *name, char **value);
|
|
int security_setprocattr(const char *name, void *value, size_t size);
|
|
int security_netlink_send(struct sock *sk, struct sk_buff *skb);
|
|
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(struct task_struct *mgr)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_binder_transaction(struct task_struct *from,
|
|
struct task_struct *to)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_binder_transfer_binder(struct task_struct *from,
|
|
struct task_struct *to)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int security_binder_transfer_file(struct task_struct *from,
|
|
struct task_struct *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)
|
|
{
|
|
return cap_capable(cred, ns, cap, SECURITY_CAP_AUDIT);
|
|
}
|
|
|
|
static inline int security_capable_noaudit(const struct cred *cred,
|
|
struct user_namespace *ns, int cap) {
|
|
return cap_capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
|
|
}
|
|
|
|
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 -EOPNOTSUPP;
|
|
}
|
|
|
|
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 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 kernel_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 */
|
|
|
|
#endif /* ! __LINUX_SECURITY_H */
|
|
|