Release 4.7 include/linux/seccomp.h

Directory: include/linux
#ifndef _LINUX_SECCOMP_H

#define _LINUX_SECCOMP_H

#include <uapi/linux/seccomp.h>


#define SECCOMP_FILTER_FLAG_MASK	(SECCOMP_FILTER_FLAG_TSYNC)

#ifdef CONFIG_SECCOMP

#include <linux/thread_info.h>
#include <asm/seccomp.h>

struct seccomp_filter;
/**
 * struct seccomp - the state of a seccomp'ed process
 *
 * @mode:  indicates one of the valid values above for controlled
 *         system calls available to a process.
 * @filter: must always point to a valid seccomp-filter or NULL as it is
 *          accessed without locking during system call entry.
 *
 *          @filter must only be accessed from the context of current as there
 *          is no read locking.
 */

struct seccomp {
	
int mode;
	
struct seccomp_filter *filter;
};

#ifdef CONFIG_HAVE_ARCH_SECCOMP_FILTER
extern int __secure_computing(void);


static inline int secure_computing(void)
{
	if (unlikely(test_thread_flag(TIF_SECCOMP)))
		return  __secure_computing();
	return 0;
}

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Person Tokens Prop Commits CommitProp
andrea arcangeli andrea arcangeli 18 69.23% 1 33.33%
will drewry will drewry 6 23.08% 1 33.33%
andy lutomirski andy lutomirski 2 7.69% 1 33.33%
Total 26 100.00% 3 100.00%


#define SECCOMP_PHASE1_OK	0

#define SECCOMP_PHASE1_SKIP	1

extern u32 seccomp_phase1(struct seccomp_data *sd);
int seccomp_phase2(u32 phase1_result);
#else
extern void secure_computing_strict(int this_syscall);
#endif

extern long prctl_get_seccomp(void);
extern long prctl_set_seccomp(unsigned long, char __user *);



static inline int seccomp_mode(struct seccomp *s)
{
	return s->mode;
}

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andy lutomirski andy lutomirski 15 88.24% 1 50.00%
will drewry will drewry 2 11.76% 1 50.00%
Total 17 100.00% 2 100.00%

#else /* CONFIG_SECCOMP */

#include <linux/errno.h>


struct seccomp { };

struct seccomp_filter { };

#ifdef CONFIG_HAVE_ARCH_SECCOMP_FILTER


static inline int secure_computing(void) { return 0; }
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Person Tokens Prop Commits CommitProp
stephen rothwell stephen rothwell 8 66.67% 1 33.33%
andrea arcangeli andrea arcangeli 3 25.00% 1 33.33%
andy lutomirski andy lutomirski 1 8.33% 1 33.33%
Total 12 100.00% 3 100.00%

#else


static inline void secure_computing_strict(int this_syscall) { return; }
Contributors
Person Tokens Prop Commits CommitProp
will drewry will drewry 11 100.00% 1 100.00%
Total 11 100.00% 1 100.00%

#endif



static inline long prctl_get_seccomp(void)
{
	return -EINVAL;
}

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Person Tokens Prop Commits CommitProp
andrea arcangeli andrea arcangeli 13 100.00% 1 100.00%
Total 13 100.00% 1 100.00%



static inline long prctl_set_seccomp(unsigned long arg2, char __user *arg3)
{
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
andrea arcangeli andrea arcangeli 15 75.00% 1 50.00%
will drewry will drewry 5 25.00% 1 50.00%
Total 20 100.00% 2 100.00%



static inline int seccomp_mode(struct seccomp *s)
{
	return SECCOMP_MODE_DISABLED;
}
Contributors
Person Tokens Prop Commits CommitProp
andy lutomirski andy lutomirski 12 80.00% 1 33.33%
will drewry will drewry 2 13.33% 1 33.33%
kees cook kees cook 1 6.67% 1 33.33%
Total 15 100.00% 3 100.00%

#endif /* CONFIG_SECCOMP */

#ifdef CONFIG_SECCOMP_FILTER
extern void put_seccomp_filter(struct task_struct *tsk);
extern void get_seccomp_filter(struct task_struct *tsk);
#else  /* CONFIG_SECCOMP_FILTER */


static inline void put_seccomp_filter(struct task_struct *tsk)
{
	return;
}
Contributors
Person Tokens Prop Commits CommitProp
will drewry will drewry 13 100.00% 1 100.00%
Total 13 100.00% 1 100.00%



static inline void get_seccomp_filter(struct task_struct *tsk)
{
	return;
}
Contributors
Person Tokens Prop Commits CommitProp
will drewry will drewry 13 100.00% 1 100.00%
Total 13 100.00% 1 100.00%

#endif /* CONFIG_SECCOMP_FILTER */

#if defined(CONFIG_SECCOMP_FILTER) && defined(CONFIG_CHECKPOINT_RESTORE)
extern long seccomp_get_filter(struct task_struct *task,
			       unsigned long filter_off, void __user *data);
#else


static inline long seccomp_get_filter(struct task_struct *task,
				      unsigned long n, void __user *data)
{
	return -EINVAL;
}
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tycho andersen tycho andersen 25 100.00% 1 100.00%
Total 25 100.00% 1 100.00%

#endif /* CONFIG_SECCOMP_FILTER && CONFIG_CHECKPOINT_RESTORE */
#endif /* _LINUX_SECCOMP_H */
Overall Contributors
Person Tokens Prop Commits CommitProp
will drewry will drewry 112 31.02% 4 22.22%
andrea arcangeli andrea arcangeli 99 27.42% 3 16.67%
andy lutomirski andy lutomirski 72 19.94% 4 22.22%
tycho andersen tycho andersen 60 16.62% 1 5.56%
stephen rothwell stephen rothwell 8 2.22% 1 5.56%
kees cook kees cook 6 1.66% 3 16.67%
ralf baechle ralf baechle 3 0.83% 1 5.56%
david howells david howells 1 0.28% 1 5.56%
Total 361 100.00% 18 100.00%
  Directory: include/linux

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	Person	Tokens	Prop	Commits	CommitProp
andrea arcangeli	andrea arcangeli	18	69.23%	1	33.33%
will drewry	will drewry	6	23.08%	1	33.33%
andy lutomirski	andy lutomirski	2	7.69%	1	33.33%
	Total	26	100.00%	3	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 include/linux/seccomp.h

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