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File Name : policydb.h

#ifndef _SEPOL_POLICYDB_H_
#define _SEPOL_POLICYDB_H_

#include <stddef.h>
#include <stdio.h>

#include <sepol/handle.h>
#include <sys/cdefs.h>

__BEGIN_DECLS

struct sepol_policy_file;
typedef struct sepol_policy_file sepol_policy_file_t;

struct sepol_policydb;
typedef struct sepol_policydb sepol_policydb_t;

/* Policy file public interfaces. */

/* Create and free memory associated with a policy file. */
extern int sepol_policy_file_create(sepol_policy_file_t ** pf);
extern void sepol_policy_file_free(sepol_policy_file_t * pf);

/*
 * Set the policy file to represent a binary policy memory image.
 * Subsequent operations using the policy file will read and write
 * the image located at the specified address with the specified length.
 * If 'len' is 0, then merely compute the necessary length upon  
 * subsequent policydb write operations in order to determine the
 * necessary buffer size to allocate.
 */
extern void sepol_policy_file_set_mem(sepol_policy_file_t * pf,
				      char *data, size_t len);

/*
 * Get the size of the buffer needed to store a policydb write
 * previously done on this policy file.
 */
extern int sepol_policy_file_get_len(sepol_policy_file_t * pf, size_t * len);

/*
 * Set the policy file to represent a FILE.
 * Subsequent operations using the policy file will read and write
 * to the FILE.
 */
extern void sepol_policy_file_set_fp(sepol_policy_file_t * pf, FILE * fp);

/*
 * Associate a handle with a policy file, for use in
 * error reporting from subsequent calls that take the
 * policy file as an argument.
 */
extern void sepol_policy_file_set_handle(sepol_policy_file_t * pf,
					 sepol_handle_t * handle);

/* Policydb public interfaces. */

/* Create and free memory associated with a policydb. */
extern int sepol_policydb_create(sepol_policydb_t ** p);
extern void sepol_policydb_free(sepol_policydb_t * p);

/* Legal types of policies that the policydb can represent. */
#define SEPOL_POLICY_KERN	0
#define SEPOL_POLICY_BASE	1
#define SEPOL_POLICY_MOD	2

/*
 * Range of policy versions for the kernel policy type supported
 * by this library.
 */
extern int sepol_policy_kern_vers_min(void);
extern int sepol_policy_kern_vers_max(void);

/*
 * Set the policy type as specified, and automatically initialize the
 * policy version accordingly to the maximum version supported for the
 * policy type.  
 * Returns -1 if the policy type is not legal.
 */
extern int sepol_policydb_set_typevers(sepol_policydb_t * p, unsigned int type);

/*
 * Set the policy version to a different value.
 * Returns -1 if the policy version is not in the supported range for
 * the (previously set) policy type.
 */
extern int sepol_policydb_set_vers(sepol_policydb_t * p, unsigned int vers);

/* Set how to handle unknown class/perms. */
#define SEPOL_DENY_UNKNOWN	    0
#define SEPOL_REJECT_UNKNOWN	    2
#define SEPOL_ALLOW_UNKNOWN	    4
extern int sepol_policydb_set_handle_unknown(sepol_policydb_t * p,
					     unsigned int handle_unknown);

/* Set the target platform */
#define SEPOL_TARGET_SELINUX 0
#define SEPOL_TARGET_XEN     1
extern int sepol_policydb_set_target_platform(sepol_policydb_t * p,
					     int target_platform);

/* 
 * Read a policydb from a policy file.
 * This automatically sets the type and version based on the 
 * image contents.
 */
extern int sepol_policydb_read(sepol_policydb_t * p, sepol_policy_file_t * pf);

/*
 * Write a policydb to a policy file.
 * The generated image will be in the binary format corresponding 
 * to the policy version associated with the policydb.
 */
extern int sepol_policydb_write(sepol_policydb_t * p, sepol_policy_file_t * pf);

/*
 * Extract a policydb from a binary policy memory image.  
 * This is equivalent to sepol_policydb_read with a policy file
 * set to refer to memory.
 */
extern int sepol_policydb_from_image(sepol_handle_t * handle,
				     void *data, size_t len,
				     sepol_policydb_t * p);

/*
 * Generate a binary policy memory image from a policydb.  
 * This is equivalent to sepol_policydb_write with a policy file
 * set to refer to memory, but internally handles computing the 
 * necessary length and allocating an appropriately sized memory
 * buffer for the caller.  
 */
extern int sepol_policydb_to_image(sepol_handle_t * handle,
				   sepol_policydb_t * p,
				   void **newdata, size_t * newlen);

/* 
 * Check whether the policydb has MLS enabled.
 */
extern int sepol_policydb_mls_enabled(const sepol_policydb_t * p);

/*
 * Check whether the compatibility mode for SELinux network
 * checks should be enabled when using this policy.
 */
extern int sepol_policydb_compat_net(const sepol_policydb_t * p);

__END_DECLS
#endif

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Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2023-02-17 06:22:09
..	dir	-	root/root	0755	2024-02-28 04:12:20
cil	dir	-	root/root	0755	2023-02-17 06:22:09
policydb	dir	-	root/root	0755	2023-02-17 06:22:09
boolean_record.h		1.5 KB	root/root	0644	2018-10-30 09:36:14
booleans.h		2.17 KB	root/root	0644	2018-10-30 09:36:14
context.h		733 B	root/root	0644	2018-10-30 09:36:14
context_record.h		1.61 KB	root/root	0644	2018-10-30 09:36:14
debug.h		956 B	root/root	0644	2018-10-30 09:36:14
errcodes.h		833 B	root/root	0644	2018-10-30 09:36:14
handle.h		1.34 KB	root/root	0644	2018-10-30 09:36:14
ibendport_record.h		2.11 KB	root/root	0644	2018-10-30 09:36:14
ibendports.h		1.33 KB	root/root	0644	2018-10-30 09:36:14
ibpkey_record.h		2.23 KB	root/root	0644	2018-10-30 09:36:14
ibpkeys.h		1.29 KB	root/root	0644	2018-10-30 09:36:14
iface_record.h		1.78 KB	root/root	0644	2018-10-30 09:36:14
interfaces.h		1.35 KB	root/root	0644	2018-10-30 09:36:14
module.h		2.6 KB	root/root	0644	2018-10-30 09:36:14
module_to_cil.h		329 B	root/root	0644	2018-10-30 09:36:14
node_record.h		2.72 KB	root/root	0644	2018-10-30 09:36:14
nodes.h		1.26 KB	root/root	0644	2018-10-30 09:36:14
policydb.h		4.57 KB	root/root	0644	2018-10-30 09:36:14
port_record.h		1.95 KB	root/root	0644	2018-10-30 09:36:14
ports.h		1.26 KB	root/root	0644	2018-10-30 09:36:14
roles.h		321 B	root/root	0644	2018-10-30 09:36:14
sepol.h		843 B	root/root	0644	2018-10-30 09:36:14
user_record.h		2.31 KB	root/root	0644	2018-10-30 09:36:14
users.h		1.96 KB	root/root	0644	2018-10-30 09:36:14