context.h File Reference

#include <linux/cred.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include "policy.h"

Go to the source code of this file.

Data Structures
struct	aa_file_cxt
struct	aa_task_cxt

Functions
struct aa_task_cxt *	aa_alloc_task_context (gfp_t flags)
void	aa_free_task_context (struct aa_task_cxt *cxt)
void	aa_dup_task_context (struct aa_task_cxt *new, const struct aa_task_cxt *old)
int	aa_replace_current_profile (struct aa_profile *profile)
int	aa_set_current_onexec (struct aa_profile *profile)
int	aa_set_current_hat (struct aa_profile *profile, u64 token)
int	aa_restore_previous_profile (u64 cookie)

Function Documentation

struct aa_task_cxt* aa_alloc_task_context ( gfp_t  flags )

read

aa_alloc_task_context - allocate a new task_cxt : gfp flags for allocation

Returns: allocated buffer or NULL on failure

Definition at line 38 of file context.c.

void aa_dup_task_context	(	struct aa_task_cxt *	new,
		const struct aa_task_cxt *	old
	)

aa_dup_task_context - duplicate a task context, incrementing reference counts : a blank task context (NOT NULL) : the task context to copy (NOT NULL)

Definition at line 63 of file context.c.

void aa_free_task_context

(

struct aa_task_cxt *

cxt

)

aa_free_task_context - free a task_cxt : task_cxt to free (MAYBE NULL)

Definition at line 47 of file context.c.

int aa_replace_current_profile

(

struct aa_profile *

profile

)

aa_replace_current_profile - replace the current tasks profiles : new profile (NOT NULL)

Returns: 0 or error on failure

Definition at line 77 of file context.c.

int aa_restore_previous_profile

(

u64

token

)

aa_restore_previous_profile - exit from hat context restoring the profile : the token that must be matched to exit hat context

Attempt to return out of a hat to the previous profile. The token must match the stored token value.

Returns: 0 or error of failure

Definition at line 183 of file context.c.

int aa_set_current_hat	(	struct aa_profile *	profile,
		u64	token
	)

aa_set_current_hat - set the current tasks hat : profile to set as the current hat (NOT NULL) : token value that must be specified to change from the hat

Do switch of tasks hat. If the task is currently in a hat validate the token to match.

Returns: 0 or error on failure

Definition at line 145 of file context.c.

int aa_set_current_onexec

(

struct aa_profile *

profile

)

aa_set_current_onexec - set the tasks change_profile to happen onexec : system profile to set at exec (MAYBE NULL to clear value)

Returns: 0 or error on failure

Definition at line 119 of file context.c.