Id mapping functions. More...

#include "HashData.h"
#include "HashTable.h"
#include "log.h"
#include "nfs_core.h"
#include "nfs_exports.h"
#include "config_parsing.h"
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <pwd.h>
#include <grp.h>

Functions
size_t	strnlen (const char *s, size_t maxlen)
uint32_t	idmapper_value_hash_func (hash_parameter_t p_hparam, hash_buffer_t buffclef)
uint32_t	namemapper_value_hash_func (hash_parameter_t p_hparam, hash_buffer_t buffclef)
uint64_t	idmapper_rbt_hash_func (hash_parameter_t p_hparam, hash_buffer_t buffclef)
uint64_t	namemapper_rbt_hash_func (hash_parameter_t p_hparam, hash_buffer_t buffclef)
int	compare_idmapper (hash_buffer_t buff1, hash_buffer_t buff2)
int	compare_namemapper (hash_buffer_t buff1, hash_buffer_t buff2)
int	display_idmapper_key (hash_buffer_t pbuff, char str)
int	display_idmapper_val (hash_buffer_t pbuff, char str)
int	idmap_uid_init (nfs_idmap_cache_parameter_t param)
int	uidgidmap_init (nfs_idmap_cache_parameter_t param)
int	idmap_uname_init (nfs_idmap_cache_parameter_t param)
int	idmap_gid_init (nfs_idmap_cache_parameter_t param)
int	idmap_gname_init (nfs_idmap_cache_parameter_t param)
int	idmap_compute_hash_value (char name, uint32_t phashval)
int	___idmap_compute_hash_value (char name, uint32_t phashval)
int	idmap_add (hash_table_t ht, char key, unsigned int val)
int	namemap_add (hash_table_t ht, unsigned int key, char val)
int	uidgidmap_add (unsigned int key, unsigned int value)
int	uidgidmap_clear ()
int	idmap_clear ()
int	namemap_clear ()
int	uidmap_add (char *key, unsigned int val)
int	unamemap_add (unsigned int key, char *val)
int	gidmap_add (char *key, unsigned int val)
int	gnamemap_add (unsigned int key, char *val)
int	idmap_get (hash_table_t ht, char key, unsigned long *pval)
int	namemap_get (hash_table_t ht, unsigned int key, char pval)
int	uidgidmap_get (unsigned int key, unsigned int *pval)
int	uidmap_get (char key, unsigned long pval)
int	unamemap_get (unsigned int key, char *val)
int	gidmap_get (char key, unsigned long pval)
int	gnamemap_get (unsigned int key, char *val)
int	idmap_remove (hash_table_t ht, char key)
int	namemap_remove (hash_table_t *ht, unsigned int key)
int	uidgidmap_remove (unsigned int key)
int	uidmap_remove (char *key)
int	unamemap_remove (unsigned int key)
int	gidmap_remove (char *key)
int	gnamemap_remove (unsigned int key)
int	idmap_populate (char *path, idmap_type_t maptype)
void	idmap_get_stats (idmap_type_t maptype, hash_stat_t phstat, hash_stat_t phstat_reverse)
Variables
hash_table_t *	ht_pwnam
hash_table_t *	ht_grnam
hash_table_t *	ht_pwuid
hash_table_t *	ht_grgid
hash_table_t *	ht_uidgid

Detailed Description

Id mapping functions.

Author:

Author:: deniel

Date:: $Date$

Version:: $Revision$ idmapper_cache.c : Id mapping functions, passwd and groups cache management.

Definition in file idmapper_cache.c.

Function Documentation

int ___idmap_compute_hash_value	(	char *	name,
		uint32_t *	phashval
	)

Definition at line 298 of file idmapper_cache.c.

int compare_idmapper	(	hash_buffer_t *	buff1,
		hash_buffer_t *	buff2
	)

compare_idmapper: compares the values stored in the key buffers.

Compares the values stored in the key buffers. This function is to be used as 'compare_key' field in the hashtable storing the nfs duplicated requests.

Parameters:

buff1	[IN] first key
buff2	[IN] second key

Returns:: 0 if keys are identifical, 1 if they are different.

Definition at line 150 of file idmapper_cache.c.

int compare_namemapper	(	hash_buffer_t *	buff1,
		hash_buffer_t *	buff2
	)

Definition at line 155 of file idmapper_cache.c.

int display_idmapper_key	(	hash_buffer_t *	pbuff,
		char *	str
	)

display_idmapper_key: displays the entry key stored in the buffer.

Displays the entry key stored in the buffer. This function is to be used as 'key_to_str' field in the hashtable storing the id mapper stuff

Parameters:

buff1	[IN] buffer to display
buff2	[OUT] output string

Returns:: number of character written.

Definition at line 176 of file idmapper_cache.c.

int display_idmapper_val	(	hash_buffer_t *	pbuff,
		char *	str
	)

display_idmapper_val: displays the entry key stored in the buffer.

Displays the entry key stored in the buffer. This function is to be used as 'val_to_str' field in the hashtable storing the id mapper stuff

Parameters:

buff1	[IN] buffer to display
buff2	[OUT] output string

Returns:: number of character written.

Definition at line 194 of file idmapper_cache.c.

int gidmap_add	(	char *	key,
		unsigned int	val
	)

Definition at line 588 of file idmapper_cache.c.

int gidmap_get	(	char *	key,
		unsigned long *	pval
	)

Definition at line 730 of file idmapper_cache.c.

int gidmap_remove ( char * key )

Definition at line 832 of file idmapper_cache.c.

int gnamemap_add	(	unsigned int	key,
		char *	val
	)

Definition at line 604 of file idmapper_cache.c.

int gnamemap_get	(	unsigned int	key,
		char *	val
	)

Definition at line 735 of file idmapper_cache.c.

int gnamemap_remove ( unsigned int key )

Definition at line 837 of file idmapper_cache.c.

int idmap_add	(	hash_table_t *	ht,
		char *	key,
		unsigned int	val
	)

idmap_add: Adds a value by key

Adss a value by key.

Parameters:

ht	[INOUT] the hash table to be used
key	[IN] the ip address requested
val	[OUT] the value

Returns:: ID_MAPPER_SUCCESS, ID_MAPPER_INSERT_MALLOC_ERROR, ID_MAPPER_INVALID_ARGUMENT

Definition at line 406 of file idmapper_cache.c.

int idmap_clear ( )

Definition at line 523 of file idmapper_cache.c.

int idmap_get	(	hash_table_t *	ht,
		char *	key,
		unsigned long *	pval
	)

idmap_get: gets a value by key

Gets a value by key.

Parameters:

ht	[INOUT] the hash table to be used
key	[IN] the ip address requested
hostname	[OUT] the hostname

Returns:: ID_MAPPER_SUCCESS or ID_MAPPER_NOT_FOUND

Definition at line 633 of file idmapper_cache.c.

void idmap_get_stats	(	idmap_type_t	maptype,
		hash_stat_t *	phstat,
		hash_stat_t *	phstat_reverse
	)

idmap_get_stats: gets the hash table statistics for the idmap et the reverse id map

Gets the hash table statistics for the idmap et the reverse idmap.

Parameters:

maptype	[IN] type of the mapping to be queried (should be UIDMAP_TYPE or GIDMAP_TYPE)
phstat	[OUT] pointer to the resulting stats for direct map.
phstat	[OUT] pointer to the resulting stats for reverse map.

Returns:: nothing (void function)

See also:: HashTable_GetStats

Definition at line 958 of file idmapper_cache.c.

int idmap_gid_init ( nfs_idmap_cache_parameter_t param )

idmap_gid_init: Inits the hashtable for GID mapping.

Inits the hashtable for GID mapping.

Parameters:

param [IN] parameter used to init the gid map cache

Returns:: 0 if successful, -1 otherwise

Definition at line 257 of file idmapper_cache.c.

int idmap_gname_init ( nfs_idmap_cache_parameter_t param )

Definition at line 269 of file idmapper_cache.c.

int idmap_populate	(	char *	path,
		idmap_type_t	maptype
	)

idmap_populate_by_conf: Use the configuration file to populate the ID_MAPPER.

Use the configuration file to populate the ID_MAPPER.

Definition at line 850 of file idmapper_cache.c.

int idmap_remove	(	hash_table_t *	ht,
		char *	key
	)

idmap_remove: Tries to remove an entry for ID_MAPPER

Tries to remove an entry for ID_MAPPER

Parameters:

ht	[INOUT] the hash table to be used
key	[IN] the key uncached.

Returns:: the delete status

Definition at line 752 of file idmapper_cache.c.

int idmap_uid_init ( nfs_idmap_cache_parameter_t param )

idmap_uid_init: Inits the hashtable for UID mapping.

Inits the hashtable for UID mapping.

Parameters:

param [IN] parameter used to init the uid map cache

Returns:: 0 if successful, -1 otherwise

Definition at line 210 of file idmapper_cache.c.

int idmap_uname_init ( nfs_idmap_cache_parameter_t param )

Definition at line 234 of file idmapper_cache.c.

uint64_t idmapper_rbt_hash_func	(	hash_parameter_t *	p_hparam,
		hash_buffer_t *	buffclef
	)

idmapper_rbt_hash_func: computes the rbt value for the entry in the id mapper stuff.

Computes the rbt value for the entry in the id mapper stuff.

Parameters:

hparam	[IN] hash table parameter.
buffcleff[in]	pointer to the hash key buffer

Returns:: the computed rbt value.

See also:: HashTable_Init

Definition at line 119 of file idmapper_cache.c.

uint32_t idmapper_value_hash_func	(	hash_parameter_t *	p_hparam,
		hash_buffer_t *	buffclef
	)

idmapper_rbt_hash_func: computes the hash value for the entry in id mapper stuff

Computes the hash value for the entry in id mapper stuff. In fact, it just use addresse as value (identity function) modulo the size of the hash. This function is called internal in the HasTable_* function

Parameters:

hparam	[IN] hash table parameter.
buffcleff[in]	pointer to the hash key buffer

Returns:: the computed hash value.

See also:: HashTable_Init

Definition at line 84 of file idmapper_cache.c.

int namemap_add	(	hash_table_t *	ht,
		unsigned int	key,
		char *	val
	)

Definition at line 437 of file idmapper_cache.c.

int namemap_clear ( )

Definition at line 545 of file idmapper_cache.c.

int namemap_get	(	hash_table_t *	ht,
		unsigned int	key,
		char *	pval
	)

Definition at line 659 of file idmapper_cache.c.

int namemap_remove	(	hash_table_t *	ht,
		unsigned int	key
	)

Definition at line 776 of file idmapper_cache.c.

uint64_t namemapper_rbt_hash_func	(	hash_parameter_t *	p_hparam,
		hash_buffer_t *	buffclef
	)

Definition at line 131 of file idmapper_cache.c.

uint32_t namemapper_value_hash_func	(	hash_parameter_t *	p_hparam,
		hash_buffer_t *	buffclef
	)

Definition at line 99 of file idmapper_cache.c.

size_t strnlen	(	const char *	s,
		size_t	maxlen
	)

int uidgidmap_add	(	unsigned int	key,
		unsigned int	value
	)

Definition at line 469 of file idmapper_cache.c.

int uidgidmap_clear ( )

Definition at line 501 of file idmapper_cache.c.

int uidgidmap_get	(	unsigned int	key,
		unsigned int *	pval
	)

Definition at line 686 of file idmapper_cache.c.

int uidgidmap_init ( nfs_idmap_cache_parameter_t param )

Definition at line 222 of file idmapper_cache.c.

int uidgidmap_remove ( unsigned int key )

Definition at line 801 of file idmapper_cache.c.

int uidmap_add	(	char *	key,
		unsigned int	val
	)

Definition at line 556 of file idmapper_cache.c.

int uidmap_get	(	char *	key,
		unsigned long *	pval
	)

Definition at line 720 of file idmapper_cache.c.

int uidmap_remove ( char * key )

Definition at line 822 of file idmapper_cache.c.

int unamemap_add	(	unsigned int	key,
		char *	val
	)

Definition at line 572 of file idmapper_cache.c.

int unamemap_get	(	unsigned int	key,
		char *	val
	)

Definition at line 725 of file idmapper_cache.c.

int unamemap_remove ( unsigned int key )

Definition at line 827 of file idmapper_cache.c.

Variable Documentation

hash_table_t* ht_grgid

Definition at line 66 of file idmapper_cache.c.

hash_table_t* ht_grnam

Definition at line 64 of file idmapper_cache.c.

hash_table_t* ht_pwnam

Definition at line 63 of file idmapper_cache.c.

hash_table_t* ht_pwuid

Definition at line 65 of file idmapper_cache.c.

hash_table_t* ht_uidgid

Definition at line 67 of file idmapper_cache.c.

idmapper_cache.c File Reference

Functions

Variables

Detailed Description

Function Documentation

Variable Documentation