forked from mirrors/linux
02aff8db64
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Merge tag 'audit-pr-20190507' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"We've got a reasonably broad set of audit patches for the v5.2 merge
window, the highlights are below:
- The biggest change, and the source of all the arch/* changes, is
the patchset from Dmitry to help enable some of the work he is
doing around PTRACE_GET_SYSCALL_INFO.
To be honest, including this in the audit tree is a bit of a
stretch, but it does help move audit a little further along towards
proper syscall auditing for all arches, and everyone else seemed to
agree that audit was a "good" spot for this to land (or maybe they
just didn't want to merge it? dunno.).
- We can now audit time/NTP adjustments.
- We continue the work to connect associated audit records into a
single event"
* tag 'audit-pr-20190507' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit: (21 commits)
audit: fix a memory leak bug
ntp: Audit NTP parameters adjustment
timekeeping: Audit clock adjustments
audit: purge unnecessary list_empty calls
audit: link integrity evm_write_xattrs record to syscall event
syscall_get_arch: add "struct task_struct *" argument
unicore32: define syscall_get_arch()
Move EM_UNICORE to uapi/linux/elf-em.h
nios2: define syscall_get_arch()
nds32: define syscall_get_arch()
Move EM_NDS32 to uapi/linux/elf-em.h
m68k: define syscall_get_arch()
hexagon: define syscall_get_arch()
Move EM_HEXAGON to uapi/linux/elf-em.h
h8300: define syscall_get_arch()
c6x: define syscall_get_arch()
arc: define syscall_get_arch()
Move EM_ARCOMPACT and EM_ARCV2 to uapi/linux/elf-em.h
audit: Make audit_log_cap and audit_copy_inode static
audit: connect LOGIN record to its syscall record
...
81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
/*
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* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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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 version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _ASM_ARC_SYSCALL_H
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#define _ASM_ARC_SYSCALL_H 1
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#include <uapi/linux/audit.h>
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#include <linux/err.h>
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#include <linux/sched.h>
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#include <asm/unistd.h>
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#include <asm/ptrace.h> /* in_syscall() */
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static inline long
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syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
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{
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if (user_mode(regs) && in_syscall(regs))
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return regs->r8;
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else
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return -1;
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}
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static inline void
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syscall_rollback(struct task_struct *task, struct pt_regs *regs)
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{
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regs->r0 = regs->orig_r0;
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}
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static inline long
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syscall_get_error(struct task_struct *task, struct pt_regs *regs)
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{
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/* 0 if syscall succeeded, otherwise -Errorcode */
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return IS_ERR_VALUE(regs->r0) ? regs->r0 : 0;
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}
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static inline long
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syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
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{
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return regs->r0;
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}
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static inline void
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syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
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int error, long val)
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{
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regs->r0 = (long) error ?: val;
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}
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/*
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* @i: argument index [0,5]
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* @n: number of arguments; n+i must be [1,6].
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*/
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static inline void
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syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
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unsigned long *args)
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{
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unsigned long *inside_ptregs = &(regs->r0);
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unsigned int n = 6;
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unsigned int i = 0;
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while (n--) {
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args[i++] = (*inside_ptregs);
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inside_ptregs--;
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}
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}
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static inline int
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syscall_get_arch(struct task_struct *task)
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{
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return IS_ENABLED(CONFIG_ISA_ARCOMPACT)
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? (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
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? AUDIT_ARCH_ARCOMPACTBE : AUDIT_ARCH_ARCOMPACT)
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: (IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)
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? AUDIT_ARCH_ARCV2BE : AUDIT_ARCH_ARCV2);
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}
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#endif
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