util_ldap_cache.c revision 7cbb8cc2c4de923167b551eba6a04609eccff4c1
/* ====================================================================
* The Apache Software License, Version 1.1
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* "This product includes software developed by the
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/*
* util_ldap_cache.c: LDAP cache things
*
* Original code from auth_ldap module for Apache v1.3:
* Copyright 1998, 1999 Enbridge Pipelines Inc.
* Copyright 1999-2001 Dave Carrigan
*/
#include <apr_ldap.h>
#include "util_ldap.h"
#include "util_ldap_cache.h"
#ifdef APU_HAS_LDAP
/* ------------------------------------------------------------------ */
unsigned long util_ldap_url_node_hash(void *n)
{
util_url_node_t *node = (util_url_node_t *)n;
return util_ald_hash_string(1, node->url);
}
int util_ldap_url_node_compare(void *a, void *b)
{
util_url_node_t *na = (util_url_node_t *)a;
util_url_node_t *nb = (util_url_node_t *)b;
return(strcmp(na->url, nb->url) == 0);
}
void *util_ldap_url_node_copy(void *c)
{
util_url_node_t *n = (util_url_node_t *)c;
util_url_node_t *node = (util_url_node_t *)util_ald_alloc(sizeof(util_url_node_t));
node->url = util_ald_strdup(n->url);
node->search_cache = n->search_cache;
node->compare_cache = n->compare_cache;
node->dn_compare_cache = n->dn_compare_cache;
return node;
}
void util_ldap_url_node_free(void *n)
{
util_url_node_t *node = (util_url_node_t *)n;
util_ald_free(node->url);
util_ald_destroy_cache(node->search_cache);
util_ald_destroy_cache(node->compare_cache);
util_ald_destroy_cache(node->dn_compare_cache);
util_ald_free(node);
}
/* ------------------------------------------------------------------ */
/* Cache functions for search nodes */
unsigned long util_ldap_search_node_hash(void *n)
{
util_search_node_t *node = (util_search_node_t *)n;
return util_ald_hash_string(1, ((util_search_node_t *)(node))->username);
}
int util_ldap_search_node_compare(void *a, void *b)
{
return(strcmp(((util_search_node_t *)a)->username,
((util_search_node_t *)b)->username) == 0);
}
void *util_ldap_search_node_copy(void *c)
{
util_search_node_t *node = (util_search_node_t *)c;
util_search_node_t *newnode = util_ald_alloc(sizeof(util_search_node_t));
newnode->username = util_ald_strdup(node->username);
newnode->dn = util_ald_strdup(node->dn);
newnode->bindpw = util_ald_strdup(node->bindpw);
newnode->lastbind = node->lastbind;
return (void *)newnode;
}
void util_ldap_search_node_free(void *n)
{
util_search_node_t *node = (util_search_node_t *)n;
util_ald_free(node->username);
util_ald_free(node->dn);
util_ald_free(node->bindpw);
util_ald_free(node);
}
/* ------------------------------------------------------------------ */
unsigned long util_ldap_compare_node_hash(void *n)
{
util_compare_node_t *node = (util_compare_node_t *)n;
return util_ald_hash_string(3, node->dn, node->attrib, node->value);
}
int util_ldap_compare_node_compare(void *a, void *b)
{
util_compare_node_t *na = (util_compare_node_t *)a;
util_compare_node_t *nb = (util_compare_node_t *)b;
return (strcmp(na->dn, nb->dn) == 0 &&
strcmp(na->attrib, nb->attrib) == 0 &&
strcmp(na->value, nb->value) == 0);
}
void *util_ldap_compare_node_copy(void *c)
{
util_compare_node_t *n = (util_compare_node_t *)c;
util_compare_node_t *node = (util_compare_node_t *)util_ald_alloc(sizeof(util_compare_node_t));
node->dn = util_ald_strdup(n->dn);
node->attrib = util_ald_strdup(n->attrib);
node->value = util_ald_strdup(n->value);
node->lastcompare = n->lastcompare;
return node;
}
void util_ldap_compare_node_free(void *n)
{
util_compare_node_t *node = (util_compare_node_t *)n;
util_ald_free(node->dn);
util_ald_free(node->attrib);
util_ald_free(node->value);
util_ald_free(node);
}
/* ------------------------------------------------------------------ */
unsigned long util_ldap_dn_compare_node_hash(void *n)
{
return util_ald_hash_string(1, ((util_dn_compare_node_t *)n)->reqdn);
}
int util_ldap_dn_compare_node_compare(void *a, void *b)
{
return (strcmp(((util_dn_compare_node_t *)a)->reqdn,
((util_dn_compare_node_t *)b)->reqdn) == 0);
}
void *util_ldap_dn_compare_node_copy(void *c)
{
util_dn_compare_node_t *n = (util_dn_compare_node_t *)c;
util_dn_compare_node_t *node = (util_dn_compare_node_t *)util_ald_alloc(sizeof(util_dn_compare_node_t));
node->reqdn = util_ald_strdup(n->reqdn);
node->dn = util_ald_strdup(n->dn);
return node;
}
void util_ldap_dn_compare_node_free(void *n)
{
util_dn_compare_node_t *node = (util_dn_compare_node_t *)n;
util_ald_free(node->reqdn);
util_ald_free(node->dn);
util_ald_free(node);
}
/* ------------------------------------------------------------------ */
apr_status_t util_ldap_cache_child_kill(void *data);
apr_status_t util_ldap_cache_module_kill(void *data);
apr_status_t util_ldap_cache_module_kill(void *data)
{
#ifdef APU_HAS_LDAP_SHARED_CACHE
if (util_ldap_shm != NULL) {
apr_status_t result = apr_shm_destroy(util_ldap_shm);
util_ldap_shm = NULL;
return result;
}
#endif
return APR_SUCCESS;
}
apr_status_t util_ldap_cache_init(apr_pool_t *pool, apr_size_t reqsize)
{
apr_status_t result = APR_SUCCESS;
apr_pool_cleanup_register(pool, NULL, util_ldap_cache_module_kill, apr_pool_cleanup_null);
#ifdef APU_HAS_LDAP_SHARED_CACHE
result = apr_shm_init(&util_ldap_shm, reqsize, "/tmp/ldap_cache", pool);
#endif
util_ldap_cache = util_ald_create_cache(50,
util_ldap_url_node_hash,
util_ldap_url_node_compare,
util_ldap_url_node_copy,
util_ldap_url_node_free);
return result;
}
#endif /* APU_HAS_LDAP */