mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 20:53:53 +08:00
e63340ae6b
Remove includes of <linux/smp_lock.h> where it is not used/needed. Suggested by Al Viro. Builds cleanly on x86_64, i386, alpha, ia64, powerpc, sparc, sparc64, and arm (all 59 defconfigs). Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/*
|
|
* Capabilities Linux Security Module
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/security.h>
|
|
#include <linux/file.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/mman.h>
|
|
#include <linux/pagemap.h>
|
|
#include <linux/swap.h>
|
|
#include <linux/skbuff.h>
|
|
#include <linux/netlink.h>
|
|
#include <linux/ptrace.h>
|
|
#include <linux/moduleparam.h>
|
|
|
|
static struct security_operations capability_ops = {
|
|
.ptrace = cap_ptrace,
|
|
.capget = cap_capget,
|
|
.capset_check = cap_capset_check,
|
|
.capset_set = cap_capset_set,
|
|
.capable = cap_capable,
|
|
.settime = cap_settime,
|
|
.netlink_send = cap_netlink_send,
|
|
.netlink_recv = cap_netlink_recv,
|
|
|
|
.bprm_apply_creds = cap_bprm_apply_creds,
|
|
.bprm_set_security = cap_bprm_set_security,
|
|
.bprm_secureexec = cap_bprm_secureexec,
|
|
|
|
.inode_setxattr = cap_inode_setxattr,
|
|
.inode_removexattr = cap_inode_removexattr,
|
|
|
|
.task_post_setuid = cap_task_post_setuid,
|
|
.task_reparent_to_init = cap_task_reparent_to_init,
|
|
|
|
.syslog = cap_syslog,
|
|
|
|
.vm_enough_memory = cap_vm_enough_memory,
|
|
};
|
|
|
|
/* flag to keep track of how we were registered */
|
|
static int secondary;
|
|
|
|
static int capability_disable;
|
|
module_param_named(disable, capability_disable, int, 0);
|
|
MODULE_PARM_DESC(disable, "To disable capabilities module set disable = 1");
|
|
|
|
static int __init capability_init (void)
|
|
{
|
|
if (capability_disable) {
|
|
printk(KERN_INFO "Capabilities disabled at initialization\n");
|
|
return 0;
|
|
}
|
|
/* register ourselves with the security framework */
|
|
if (register_security (&capability_ops)) {
|
|
/* try registering with primary module */
|
|
if (mod_reg_security (KBUILD_MODNAME, &capability_ops)) {
|
|
printk (KERN_INFO "Failure registering capabilities "
|
|
"with primary security module.\n");
|
|
return -EINVAL;
|
|
}
|
|
secondary = 1;
|
|
}
|
|
printk (KERN_INFO "Capability LSM initialized%s\n",
|
|
secondary ? " as secondary" : "");
|
|
return 0;
|
|
}
|
|
|
|
static void __exit capability_exit (void)
|
|
{
|
|
if (capability_disable)
|
|
return;
|
|
/* remove ourselves from the security framework */
|
|
if (secondary) {
|
|
if (mod_unreg_security (KBUILD_MODNAME, &capability_ops))
|
|
printk (KERN_INFO "Failure unregistering capabilities "
|
|
"with primary module.\n");
|
|
return;
|
|
}
|
|
|
|
if (unregister_security (&capability_ops)) {
|
|
printk (KERN_INFO
|
|
"Failure unregistering capabilities with the kernel\n");
|
|
}
|
|
}
|
|
|
|
security_initcall (capability_init);
|
|
module_exit (capability_exit);
|
|
|
|
MODULE_DESCRIPTION("Standard Linux Capabilities Security Module");
|
|
MODULE_LICENSE("GPL");
|