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authorhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 03:10:21 -0500
committerhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 03:10:21 -0500
commitc0b7206652b2852bc574694e7ba07ba1c2acdc00 (patch)
tree5cb95cb0e19e03610525903df46279df2c3b7eb1 /rubbos/app/httpd-2.0.64/modules/experimental/util_ldap.c
parentb6d3d6e668b793220f2d3af1bc3e828553dc3fe6 (diff)
delete app
Change-Id: Id4c572809969ebe89e946e88063eaed262cff3f2 Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
Diffstat (limited to 'rubbos/app/httpd-2.0.64/modules/experimental/util_ldap.c')
-rw-r--r--rubbos/app/httpd-2.0.64/modules/experimental/util_ldap.c1758
1 files changed, 0 insertions, 1758 deletions
diff --git a/rubbos/app/httpd-2.0.64/modules/experimental/util_ldap.c b/rubbos/app/httpd-2.0.64/modules/experimental/util_ldap.c
deleted file mode 100644
index adaccb32..00000000
--- a/rubbos/app/httpd-2.0.64/modules/experimental/util_ldap.c
+++ /dev/null
@@ -1,1758 +0,0 @@
-/* Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/*
- * util_ldap.c: LDAP 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 <apr_strings.h>
-
-#include "ap_config.h"
-#include "httpd.h"
-#include "http_config.h"
-#include "http_core.h"
-#include "http_log.h"
-#include "http_protocol.h"
-#include "http_request.h"
-#include "util_ldap.h"
-#include "util_ldap_cache.h"
-
-#if APR_HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-#ifndef APU_HAS_LDAP
-#error mod_ldap requires APR-util to have LDAP support built in
-#endif
-
-#if !defined(OS2) && !defined(WIN32) && !defined(BEOS) && !defined(NETWARE)
-#include "unixd.h"
-#define UTIL_LDAP_SET_MUTEX_PERMS
-#endif
-
- /* defines for certificate file types
- */
-#define LDAP_CA_TYPE_UNKNOWN 0
-#define LDAP_CA_TYPE_DER 1
-#define LDAP_CA_TYPE_BASE64 2
-#define LDAP_CA_TYPE_CERT7_DB 3
-
-
-module AP_MODULE_DECLARE_DATA ldap_module;
-
-int util_ldap_handler(request_rec *r);
-void *util_ldap_create_config(apr_pool_t *p, server_rec *s);
-
-
-/*
- * Some definitions to help between various versions of apache.
- */
-
-#ifndef DOCTYPE_HTML_2_0
-#define DOCTYPE_HTML_2_0 "<!DOCTYPE HTML PUBLIC \"-//IETF//" \
- "DTD HTML 2.0//EN\">\n"
-#endif
-
-#ifndef DOCTYPE_HTML_3_2
-#define DOCTYPE_HTML_3_2 "<!DOCTYPE HTML PUBLIC \"-//W3C//" \
- "DTD HTML 3.2 Final//EN\">\n"
-#endif
-
-#ifndef DOCTYPE_HTML_4_0S
-#define DOCTYPE_HTML_4_0S "<!DOCTYPE HTML PUBLIC \"-//W3C//" \
- "DTD HTML 4.0//EN\"\n" \
- "\"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"
-#endif
-
-#ifndef DOCTYPE_HTML_4_0T
-#define DOCTYPE_HTML_4_0T "<!DOCTYPE HTML PUBLIC \"-//W3C//" \
- "DTD HTML 4.0 Transitional//EN\"\n" \
- "\"http://www.w3.org/TR/REC-html40/loose.dtd\">\n"
-#endif
-
-#ifndef DOCTYPE_HTML_4_0F
-#define DOCTYPE_HTML_4_0F "<!DOCTYPE HTML PUBLIC \"-//W3C//" \
- "DTD HTML 4.0 Frameset//EN\"\n" \
- "\"http://www.w3.org/TR/REC-html40/frameset.dtd\">\n"
-#endif
-
-#define LDAP_CACHE_LOCK() \
- if (st->util_ldap_cache_lock) \
- apr_global_mutex_lock(st->util_ldap_cache_lock)
-#define LDAP_CACHE_UNLOCK() \
- if (st->util_ldap_cache_lock) \
- apr_global_mutex_unlock(st->util_ldap_cache_lock)
-
-
-static void util_ldap_strdup (char **str, const char *newstr)
-{
- if (*str) {
- free(*str);
- *str = NULL;
- }
-
- if (newstr) {
- *str = calloc(1, strlen(newstr)+1);
- strcpy (*str, newstr);
- }
-}
-
-/*
- * Status Handler
- * --------------
- *
- * This handler generates a status page about the current performance of
- * the LDAP cache. It is enabled as follows:
- *
- * <Location /ldap-status>
- * SetHandler ldap-status
- * </Location>
- *
- */
-int util_ldap_handler(request_rec *r)
-{
- util_ldap_state_t *st = (util_ldap_state_t *)ap_get_module_config(r->server->module_config, &ldap_module);
-
- r->allowed |= (1 << M_GET);
- if (r->method_number != M_GET)
- return DECLINED;
-
- if (strcmp(r->handler, "ldap-status")) {
- return DECLINED;
- }
-
- r->content_type = "text/html; charset=ISO-8859-1";
- if (r->header_only)
- return OK;
-
- ap_rputs(DOCTYPE_HTML_3_2
- "<html><head><title>LDAP Cache Information</title></head>\n", r);
- ap_rputs("<body bgcolor='#ffffff'><h1 align=center>LDAP Cache Information</h1>\n", r);
-
- util_ald_cache_display(r, st);
-
- return OK;
-}
-
-/* ------------------------------------------------------------------ */
-
-
-/*
- * Closes an LDAP connection by unlocking it. The next time
- * util_ldap_connection_find() is called this connection will be
- * available for reuse.
- */
-LDAP_DECLARE(void) util_ldap_connection_close(util_ldap_connection_t *ldc)
-{
-
- /*
- * QUESTION:
- *
- * Is it safe leaving bound connections floating around between the
- * different modules? Keeping the user bound is a performance boost,
- * but it is also a potential security problem - maybe.
- *
- * For now we unbind the user when we finish with a connection, but
- * we don't have to...
- */
-
- /* mark our connection as available for reuse */
-
-#if APR_HAS_THREADS
- apr_thread_mutex_unlock(ldc->lock);
-#endif
-}
-
-
-/*
- * Destroys an LDAP connection by unbinding and closing the connection to
- * the LDAP server. It is used to bring the connection back to a known
- * state after an error, and during pool cleanup.
- */
-LDAP_DECLARE_NONSTD(apr_status_t) util_ldap_connection_unbind(void *param)
-{
- util_ldap_connection_t *ldc = param;
-
- if (ldc) {
- if (ldc->ldap) {
- ldap_unbind_s(ldc->ldap);
- ldc->ldap = NULL;
- }
- ldc->bound = 0;
- }
-
- return APR_SUCCESS;
-}
-
-
-/*
- * Clean up an LDAP connection by unbinding and unlocking the connection.
- * This function is registered with the pool cleanup function - causing
- * the LDAP connections to be shut down cleanly on graceful restart.
- */
-LDAP_DECLARE_NONSTD(apr_status_t) util_ldap_connection_cleanup(void *param)
-{
- util_ldap_connection_t *ldc = param;
-
- if (ldc) {
-
- /* unbind and disconnect from the LDAP server */
- util_ldap_connection_unbind(ldc);
-
- /* free the username and password */
- if (ldc->bindpw) {
- free((void*)ldc->bindpw);
- }
- if (ldc->binddn) {
- free((void*)ldc->binddn);
- }
-
- /* unlock this entry */
- util_ldap_connection_close(ldc);
-
- }
-
- return APR_SUCCESS;
-}
-
-
-/*
- * Connect to the LDAP server and binds. Does not connect if already
- * connected (i.e. ldc->ldap is non-NULL.) Does not bind if already bound.
- *
- * Returns LDAP_SUCCESS on success; and an error code on failure
- */
-LDAP_DECLARE(int) util_ldap_connection_open(request_rec *r,
- util_ldap_connection_t *ldc)
-{
- int result = 0;
- int failures = 0;
- int version = LDAP_VERSION3;
- int rc = LDAP_SUCCESS;
- struct timeval timeOut = {10,0}; /* 10 second connection timeout */
-
- util_ldap_state_t *st = (util_ldap_state_t *)ap_get_module_config(
- r->server->module_config, &ldap_module);
-
- /* If the connection is already bound, return
- */
- if (ldc->bound)
- {
- ldc->reason = "LDAP: connection open successful (already bound)";
- return LDAP_SUCCESS;
- }
-
- /* create the ldap session handle
- */
- if (NULL == ldc->ldap)
- {
- /* clear connection requested */
- if (!ldc->secure)
- {
- ldc->ldap = ldap_init(const_cast(ldc->host), ldc->port);
- }
- else /* ssl connnection requested */
- {
- /* check configuration to make sure it supports SSL
- */
- if (st->ssl_support)
- {
- #if APR_HAS_LDAP_SSL
-
- #if APR_HAS_NOVELL_LDAPSDK
- ldc->ldap = ldapssl_init(ldc->host, ldc->port, 1);
-
- #elif APR_HAS_NETSCAPE_LDAPSDK
- ldc->ldap = ldapssl_init(ldc->host, ldc->port, 1);
-
- #elif APR_HAS_OPENLDAP_LDAPSDK
- ldc->ldap = ldap_init(ldc->host, ldc->port);
- if (NULL != ldc->ldap)
- {
- int SSLmode = LDAP_OPT_X_TLS_HARD;
- result = ldap_set_option(ldc->ldap, LDAP_OPT_X_TLS, &SSLmode);
- if (LDAP_SUCCESS != result)
- {
- ldap_unbind_s(ldc->ldap);
- ldc->reason = "LDAP: ldap_set_option - LDAP_OPT_X_TLS_HARD failed";
- ldc->ldap = NULL;
- }
- }
-
- #elif APR_HAS_MICROSOFT_LDAPSDK
- ldc->ldap = ldap_sslinit(const_cast(ldc->host), ldc->port, 1);
-
- #else
- ldc->reason = "LDAP: ssl connections not supported";
- #endif /* APR_HAS_NOVELL_LDAPSDK */
-
- #endif /* APR_HAS_LDAP_SSL */
- }
- else
- ldc->reason = "LDAP: ssl connections not supported";
- }
-
- if (NULL == ldc->ldap)
- {
- ldc->bound = 0;
- if (NULL == ldc->reason)
- ldc->reason = "LDAP: ldap initialization failed";
- return(-1);
- }
-
- /* Set the alias dereferencing option */
- ldap_set_option(ldc->ldap, LDAP_OPT_DEREF, &(ldc->deref));
-
- /* always default to LDAP V3 */
- ldap_set_option(ldc->ldap, LDAP_OPT_PROTOCOL_VERSION, &version);
-
-#ifdef LDAP_OPT_NETWORK_TIMEOUT
- if (st->connectionTimeout > 0) {
- timeOut.tv_sec = st->connectionTimeout;
- }
-
- if (st->connectionTimeout >= 0) {
- rc = ldap_set_option(ldc->ldap, LDAP_OPT_NETWORK_TIMEOUT, (void *)&timeOut);
- if (APR_SUCCESS != rc) {
- ap_log_error(APLOG_MARK, APLOG_ERR, 0, r->server,
- "LDAP: Could not set the connection timeout" );
- }
- }
-#endif
- }
-
-
- /* loop trying to bind up to 10 times if LDAP_SERVER_DOWN error is
- * returned. Break out of the loop on Success or any other error.
- *
- * NOTE: Looping is probably not a great idea. If the server isn't
- * responding the chances it will respond after a few tries are poor.
- * However, the original code looped and it only happens on
- * the error condition.
- */
- for (failures=0; failures<10; failures++)
- {
- result = ldap_simple_bind_s(ldc->ldap, const_cast(ldc->binddn), const_cast(ldc->bindpw));
- if (LDAP_SERVER_DOWN != result)
- break;
- }
-
- /* free the handle if there was an error
- */
- if (LDAP_SUCCESS != result)
- {
- ldap_unbind_s(ldc->ldap);
- ldc->ldap = NULL;
- ldc->bound = 0;
- ldc->reason = "LDAP: ldap_simple_bind_s() failed";
- }
- else {
- ldc->bound = 1;
- ldc->reason = "LDAP: connection open successful";
- }
-
- return(result);
-}
-
-
-/*
- * Find an existing ldap connection struct that matches the
- * provided ldap connection parameters.
- *
- * If not found in the cache, a new ldc structure will be allocated from st->pool
- * and returned to the caller. If found in the cache, a pointer to the existing
- * ldc structure will be returned.
- */
-LDAP_DECLARE(util_ldap_connection_t *)util_ldap_connection_find(request_rec *r, const char *host, int port,
- const char *binddn, const char *bindpw, deref_options deref,
- int secure )
-{
- struct util_ldap_connection_t *l, *p; /* To traverse the linked list */
-
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(r->server->module_config,
- &ldap_module);
-
-
-#if APR_HAS_THREADS
- /* mutex lock this function */
- apr_thread_mutex_lock(st->mutex);
-#endif
-
- /* Search for an exact connection match in the list that is not
- * being used.
- */
- for (l=st->connections,p=NULL; l; l=l->next) {
-#if APR_HAS_THREADS
- if (APR_SUCCESS == apr_thread_mutex_trylock(l->lock)) {
-#endif
- if ((l->port == port) && (strcmp(l->host, host) == 0) &&
- ((!l->binddn && !binddn) || (l->binddn && binddn && !strcmp(l->binddn, binddn))) &&
- ((!l->bindpw && !bindpw) || (l->bindpw && bindpw && !strcmp(l->bindpw, bindpw))) &&
- (l->deref == deref) && (l->secure == secure)) {
-
- break;
- }
-#if APR_HAS_THREADS
- /* If this connection didn't match the criteria, then we
- * need to unlock the mutex so it is available to be reused.
- */
- apr_thread_mutex_unlock(l->lock);
- }
-#endif
- p = l;
- }
-
- /* If nothing found, search again, but we don't care about the
- * binddn and bindpw this time.
- */
- if (!l) {
- for (l=st->connections,p=NULL; l; l=l->next) {
-#if APR_HAS_THREADS
- if (APR_SUCCESS == apr_thread_mutex_trylock(l->lock)) {
-
-#endif
- if ((l->port == port) && (strcmp(l->host, host) == 0) &&
- (l->deref == deref) && (l->secure == secure)) {
-
- /* the bind credentials have changed */
- l->bound = 0;
- util_ldap_strdup((char**)&(l->binddn), binddn);
- util_ldap_strdup((char**)&(l->bindpw), bindpw);
- break;
- }
-#if APR_HAS_THREADS
- /* If this connection didn't match the criteria, then we
- * need to unlock the mutex so it is available to be reused.
- */
- apr_thread_mutex_unlock(l->lock);
- }
-#endif
- p = l;
- }
- }
-
-/* artificially disable cache */
-/* l = NULL; */
-
- /* If no connection what found after the second search, we
- * must create one.
- */
- if (!l) {
-
- /*
- * Add the new connection entry to the linked list. Note that we
- * don't actually establish an LDAP connection yet; that happens
- * the first time authentication is requested.
- */
- /* create the details to the pool in st */
- l = apr_pcalloc(st->pool, sizeof(util_ldap_connection_t));
-#if APR_HAS_THREADS
- apr_thread_mutex_create(&l->lock, APR_THREAD_MUTEX_DEFAULT, st->pool);
- apr_thread_mutex_lock(l->lock);
-#endif
- l->pool = st->pool;
- l->bound = 0;
- l->host = apr_pstrdup(st->pool, host);
- l->port = port;
- l->deref = deref;
- util_ldap_strdup((char**)&(l->binddn), binddn);
- util_ldap_strdup((char**)&(l->bindpw), bindpw);
- l->secure = secure;
-
- /* add the cleanup to the pool */
- apr_pool_cleanup_register(l->pool, l,
- util_ldap_connection_cleanup,
- apr_pool_cleanup_null);
-
- if (p) {
- p->next = l;
- }
- else {
- st->connections = l;
- }
- }
-
-#if APR_HAS_THREADS
- apr_thread_mutex_unlock(st->mutex);
-#endif
- return l;
-}
-
-/* ------------------------------------------------------------------ */
-
-/*
- * Compares two DNs to see if they're equal. The only way to do this correctly is to
- * search for the dn and then do ldap_get_dn() on the result. This should match the
- * initial dn, since it would have been also retrieved with ldap_get_dn(). This is
- * expensive, so if the configuration value compare_dn_on_server is
- * false, just does an ordinary strcmp.
- *
- * The lock for the ldap cache should already be acquired.
- */
-LDAP_DECLARE(int) util_ldap_cache_comparedn(request_rec *r, util_ldap_connection_t *ldc,
- const char *url, const char *dn, const char *reqdn,
- int compare_dn_on_server)
-{
- int result = 0;
- util_url_node_t *curl;
- util_url_node_t curnode;
- util_dn_compare_node_t *node;
- util_dn_compare_node_t newnode;
- int failures = 0;
- LDAPMessage *res, *entry;
- char *searchdn;
-
- util_ldap_state_t *st = (util_ldap_state_t *)ap_get_module_config(r->server->module_config, &ldap_module);
-
- /* get cache entry (or create one) */
- LDAP_CACHE_LOCK();
-
- curnode.url = url;
- curl = util_ald_cache_fetch(st->util_ldap_cache, &curnode);
- if (curl == NULL) {
- curl = util_ald_create_caches(st, url);
- }
- LDAP_CACHE_UNLOCK();
-
- /* a simple compare? */
- if (!compare_dn_on_server) {
- /* unlock this read lock */
- if (strcmp(dn, reqdn)) {
- ldc->reason = "DN Comparison FALSE (direct strcmp())";
- return LDAP_COMPARE_FALSE;
- }
- else {
- ldc->reason = "DN Comparison TRUE (direct strcmp())";
- return LDAP_COMPARE_TRUE;
- }
- }
-
- if (curl) {
- /* no - it's a server side compare */
- LDAP_CACHE_LOCK();
-
- /* is it in the compare cache? */
- newnode.reqdn = (char *)reqdn;
- node = util_ald_cache_fetch(curl->dn_compare_cache, &newnode);
- if (node != NULL) {
- /* If it's in the cache, it's good */
- /* unlock this read lock */
- LDAP_CACHE_UNLOCK();
- ldc->reason = "DN Comparison TRUE (cached)";
- return LDAP_COMPARE_TRUE;
- }
-
- /* unlock this read lock */
- LDAP_CACHE_UNLOCK();
- }
-
-start_over:
- if (failures++ > 10) {
- /* too many failures */
- return result;
- }
-
- /* make a server connection */
- if (LDAP_SUCCESS != (result = util_ldap_connection_open(r, ldc))) {
- /* connect to server failed */
- return result;
- }
-
- /* search for reqdn */
- if ((result = ldap_search_ext_s(ldc->ldap, const_cast(reqdn), LDAP_SCOPE_BASE,
- "(objectclass=*)", NULL, 1,
- NULL, NULL, NULL, -1, &res)) == LDAP_SERVER_DOWN) {
- ldc->reason = "DN Comparison ldap_search_ext_s() failed with server down";
- util_ldap_connection_unbind(ldc);
- goto start_over;
- }
- if (result != LDAP_SUCCESS) {
- /* search for reqdn failed - no match */
- ldc->reason = "DN Comparison ldap_search_ext_s() failed";
- return result;
- }
-
- entry = ldap_first_entry(ldc->ldap, res);
- searchdn = ldap_get_dn(ldc->ldap, entry);
-
- ldap_msgfree(res);
- if (strcmp(dn, searchdn) != 0) {
- /* compare unsuccessful */
- ldc->reason = "DN Comparison FALSE (checked on server)";
- result = LDAP_COMPARE_FALSE;
- }
- else {
- if (curl) {
- /* compare successful - add to the compare cache */
- LDAP_CACHE_LOCK();
- newnode.reqdn = (char *)reqdn;
- newnode.dn = (char *)dn;
-
- node = util_ald_cache_fetch(curl->dn_compare_cache, &newnode);
- if ((node == NULL) ||
- (strcmp(reqdn, node->reqdn) != 0) || (strcmp(dn, node->dn) != 0)) {
-
- util_ald_cache_insert(curl->dn_compare_cache, &newnode);
- }
- LDAP_CACHE_UNLOCK();
- }
- ldc->reason = "DN Comparison TRUE (checked on server)";
- result = LDAP_COMPARE_TRUE;
- }
- ldap_memfree(searchdn);
- return result;
-
-}
-
-/*
- * Does an generic ldap_compare operation. It accepts a cache that it will use
- * to lookup the compare in the cache. We cache two kinds of compares
- * (require group compares) and (require user compares). Each compare has a different
- * cache node: require group includes the DN; require user does not because the
- * require user cache is owned by the
- *
- */
-LDAP_DECLARE(int) util_ldap_cache_compare(request_rec *r, util_ldap_connection_t *ldc,
- const char *url, const char *dn,
- const char *attrib, const char *value)
-{
- int result = 0;
- util_url_node_t *curl;
- util_url_node_t curnode;
- util_compare_node_t *compare_nodep;
- util_compare_node_t the_compare_node;
- apr_time_t curtime = 0; /* silence gcc -Wall */
- int failures = 0;
-
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(r->server->module_config,
- &ldap_module);
-
- /* get cache entry (or create one) */
- LDAP_CACHE_LOCK();
- curnode.url = url;
- curl = util_ald_cache_fetch(st->util_ldap_cache, &curnode);
- if (curl == NULL) {
- curl = util_ald_create_caches(st, url);
- }
- LDAP_CACHE_UNLOCK();
-
- if (curl) {
- /* make a comparison to the cache */
- LDAP_CACHE_LOCK();
- curtime = apr_time_now();
-
- the_compare_node.dn = (char *)dn;
- the_compare_node.attrib = (char *)attrib;
- the_compare_node.value = (char *)value;
- the_compare_node.result = 0;
-
- compare_nodep = util_ald_cache_fetch(curl->compare_cache, &the_compare_node);
-
- if (compare_nodep != NULL) {
- /* found it... */
- if (curtime - compare_nodep->lastcompare > st->compare_cache_ttl) {
- /* ...but it is too old */
- util_ald_cache_remove(curl->compare_cache, compare_nodep);
- }
- else {
- /* ...and it is good */
- /* unlock this read lock */
- LDAP_CACHE_UNLOCK();
- if (LDAP_COMPARE_TRUE == compare_nodep->result) {
- ldc->reason = "Comparison true (cached)";
- return compare_nodep->result;
- }
- else if (LDAP_COMPARE_FALSE == compare_nodep->result) {
- ldc->reason = "Comparison false (cached)";
- return compare_nodep->result;
- }
- else if (LDAP_NO_SUCH_ATTRIBUTE == compare_nodep->result) {
- ldc->reason = "Comparison no such attribute (cached)";
- return compare_nodep->result;
- }
- else {
- ldc->reason = "Comparison undefined (cached)";
- return compare_nodep->result;
- }
- }
- }
- /* unlock this read lock */
- LDAP_CACHE_UNLOCK();
- }
-
-start_over:
- if (failures++ > 10) {
- /* too many failures */
- return result;
- }
- if (LDAP_SUCCESS != (result = util_ldap_connection_open(r, ldc))) {
- /* connect failed */
- return result;
- }
-
- if ((result = ldap_compare_s(ldc->ldap, const_cast(dn), const_cast(attrib), const_cast(value)))
- == LDAP_SERVER_DOWN) {
- /* connection failed - try again */
- ldc->reason = "ldap_compare_s() failed with server down";
- util_ldap_connection_unbind(ldc);
- goto start_over;
- }
-
- ldc->reason = "Comparison complete";
- if ((LDAP_COMPARE_TRUE == result) ||
- (LDAP_COMPARE_FALSE == result) ||
- (LDAP_NO_SUCH_ATTRIBUTE == result)) {
- if (curl) {
- /* compare completed; caching result */
- LDAP_CACHE_LOCK();
- the_compare_node.lastcompare = curtime;
- the_compare_node.result = result;
-
- /* If the node doesn't exist then insert it, otherwise just update it with
- the last results */
- compare_nodep = util_ald_cache_fetch(curl->compare_cache, &the_compare_node);
- if ((compare_nodep == NULL) ||
- (strcmp(the_compare_node.dn, compare_nodep->dn) != 0) ||
- (strcmp(the_compare_node.attrib, compare_nodep->attrib) != 0) ||
- (strcmp(the_compare_node.value, compare_nodep->value) != 0)) {
-
- util_ald_cache_insert(curl->compare_cache, &the_compare_node);
- }
- else {
- compare_nodep->lastcompare = curtime;
- compare_nodep->result = result;
- }
- LDAP_CACHE_UNLOCK();
- }
- if (LDAP_COMPARE_TRUE == result) {
- ldc->reason = "Comparison true (adding to cache)";
- return LDAP_COMPARE_TRUE;
- }
- else if (LDAP_COMPARE_FALSE == result) {
- ldc->reason = "Comparison false (adding to cache)";
- return LDAP_COMPARE_FALSE;
- }
- else {
- ldc->reason = "Comparison no such attribute (adding to cache)";
- return LDAP_NO_SUCH_ATTRIBUTE;
- }
- }
- return result;
-}
-
-LDAP_DECLARE(int) util_ldap_cache_checkuserid(request_rec *r, util_ldap_connection_t *ldc,
- const char *url, const char *basedn, int scope, char **attrs,
- const char *filter, const char *bindpw, const char **binddn,
- const char ***retvals)
-{
- const char **vals = NULL;
- int numvals = 0;
- int result = 0;
- LDAPMessage *res, *entry;
- char *dn;
- int count;
- int failures = 0;
- util_url_node_t *curl; /* Cached URL node */
- util_url_node_t curnode;
- util_search_node_t *search_nodep; /* Cached search node */
- util_search_node_t the_search_node;
- apr_time_t curtime;
-
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(r->server->module_config,
- &ldap_module);
-
- /* Get the cache node for this url */
- LDAP_CACHE_LOCK();
- curnode.url = url;
- curl = (util_url_node_t *)util_ald_cache_fetch(st->util_ldap_cache, &curnode);
- if (curl == NULL) {
- curl = util_ald_create_caches(st, url);
- }
- LDAP_CACHE_UNLOCK();
-
- if (curl) {
- LDAP_CACHE_LOCK();
- the_search_node.username = filter;
- search_nodep = util_ald_cache_fetch(curl->search_cache, &the_search_node);
- if (search_nodep != NULL) {
-
- /* found entry in search cache... */
- curtime = apr_time_now();
-
- /*
- * Remove this item from the cache if its expired.
- * If the sent password doesn't match the stored password,
- * the entry will be removed and readded later if the
- * credentials pass authentication.
- */
- if ((curtime - search_nodep->lastbind) > st->search_cache_ttl) {
- /* ...but entry is too old */
- util_ald_cache_remove(curl->search_cache, search_nodep);
- }
- else if ((search_nodep->bindpw) &&
- (search_nodep->bindpw[0] != '\0') &&
- (strcmp(search_nodep->bindpw, bindpw) == 0)) {
- /* ...and entry is valid */
- *binddn = search_nodep->dn;
- *retvals = search_nodep->vals;
- LDAP_CACHE_UNLOCK();
- ldc->reason = "Authentication successful (cached)";
- return LDAP_SUCCESS;
- }
- }
- /* unlock this read lock */
- LDAP_CACHE_UNLOCK();
- }
-
- /*
- * At this point, there is no valid cached search, so lets do the search.
- */
-
- /*
- * If any LDAP operation fails due to LDAP_SERVER_DOWN, control returns here.
- */
-start_over:
- if (failures++ > 10) {
- return result;
- }
- if (LDAP_SUCCESS != (result = util_ldap_connection_open(r, ldc))) {
- return result;
- }
-
- /* try do the search */
- if ((result = ldap_search_ext_s(ldc->ldap,
- const_cast(basedn), scope,
- const_cast(filter), attrs, 0,
- NULL, NULL, NULL, -1, &res)) == LDAP_SERVER_DOWN) {
- ldc->reason = "ldap_search_ext_s() for user failed with server down";
- util_ldap_connection_unbind(ldc);
- goto start_over;
- }
-
- /* if there is an error (including LDAP_NO_SUCH_OBJECT) return now */
- if (result != LDAP_SUCCESS) {
- ldc->reason = "ldap_search_ext_s() for user failed";
- return result;
- }
-
- /*
- * We should have found exactly one entry; to find a different
- * number is an error.
- */
- count = ldap_count_entries(ldc->ldap, res);
- if (count != 1)
- {
- if (count == 0 )
- ldc->reason = "User not found";
- else
- ldc->reason = "User is not unique (search found two or more matches)";
- ldap_msgfree(res);
- return LDAP_NO_SUCH_OBJECT;
- }
-
- entry = ldap_first_entry(ldc->ldap, res);
-
- /* Grab the dn, copy it into the pool, and free it again */
- dn = ldap_get_dn(ldc->ldap, entry);
- *binddn = apr_pstrdup(r->pool, dn);
- ldap_memfree(dn);
-
- /*
- * A bind to the server with an empty password always succeeds, so
- * we check to ensure that the password is not empty. This implies
- * that users who actually do have empty passwords will never be
- * able to authenticate with this module. I don't see this as a big
- * problem.
- */
- if (!bindpw || strlen(bindpw) <= 0) {
- ldap_msgfree(res);
- ldc->reason = "Empty password not allowed";
- return LDAP_INVALID_CREDENTIALS;
- }
-
- /*
- * Attempt to bind with the retrieved dn and the password. If the bind
- * fails, it means that the password is wrong (the dn obviously
- * exists, since we just retrieved it)
- */
- if ((result =
- ldap_simple_bind_s(ldc->ldap, const_cast(*binddn), const_cast(bindpw))) ==
- LDAP_SERVER_DOWN) {
- ldc->reason = "ldap_simple_bind_s() to check user credentials failed with server down";
- ldap_msgfree(res);
- util_ldap_connection_unbind(ldc);
- goto start_over;
- }
-
- /* failure? if so - return */
- if (result != LDAP_SUCCESS) {
- ldc->reason = "ldap_simple_bind_s() to check user credentials failed";
- ldap_msgfree(res);
- util_ldap_connection_unbind(ldc);
- return result;
- }
- else {
- /*
- * We have just bound the connection to a different user and password
- * combination, which might be reused unintentionally next time this
- * connection is used from the connection pool. To ensure no confusion,
- * we mark the connection as unbound.
- */
- ldc->bound = 0;
- }
-
- /*
- * Get values for the provided attributes.
- */
- if (attrs) {
- int k = 0;
- int i = 0;
- while (attrs[k++]);
- vals = apr_pcalloc(r->pool, sizeof(char *) * (k+1));
- numvals = k;
- while (attrs[i]) {
- char **values;
- int j = 0;
- char *str = NULL;
- /* get values */
- values = ldap_get_values(ldc->ldap, entry, attrs[i]);
- while (values && values[j]) {
- str = str ? apr_pstrcat(r->pool, str, "; ", values[j], NULL) : apr_pstrdup(r->pool, values[j]);
- j++;
- }
- ldap_value_free(values);
- vals[i] = str;
- i++;
- }
- *retvals = vals;
- }
-
- /*
- * Add the new username to the search cache.
- */
- if (curl) {
- LDAP_CACHE_LOCK();
- the_search_node.username = filter;
- the_search_node.dn = *binddn;
- the_search_node.bindpw = bindpw;
- the_search_node.lastbind = apr_time_now();
- the_search_node.vals = vals;
- the_search_node.numvals = numvals;
-
- /* Search again to make sure that another thread didn't ready insert this node
- into the cache before we got here. If it does exist then update the lastbind */
- search_nodep = util_ald_cache_fetch(curl->search_cache, &the_search_node);
- if ((search_nodep == NULL) ||
- (strcmp(*binddn, search_nodep->dn) != 0)) {
-
- /* Nothing in cache, insert new entry */
- util_ald_cache_insert(curl->search_cache, &the_search_node);
- }
- else if ((!search_nodep->bindpw) ||
- (strcmp(bindpw, search_nodep->bindpw) != 0)) {
-
- /* Entry in cache is invalid, remove it and insert new one */
- util_ald_cache_remove(curl->search_cache, search_nodep);
- util_ald_cache_insert(curl->search_cache, &the_search_node);
- }
- else {
- /* Cache entry is valid, update lastbind */
- search_nodep->lastbind = the_search_node.lastbind;
- }
- LDAP_CACHE_UNLOCK();
- }
- ldap_msgfree(res);
-
- ldc->reason = "Authentication successful";
- return LDAP_SUCCESS;
-}
-
-/*
- * This function will return the DN of the entry matching userid.
- * It is used to get the DN in case some other module than mod_auth_ldap
- * has authenticated the user.
- * The function is basically a copy of util_ldap_cache_checkuserid
- * with password checking removed.
- */
-LDAP_DECLARE(int) util_ldap_cache_getuserdn(request_rec *r, util_ldap_connection_t *ldc,
- const char *url, const char *basedn, int scope, char **attrs,
- const char *filter, const char **binddn,
- const char ***retvals)
-{
- const char **vals = NULL;
- int numvals = 0;
- int result = 0;
- LDAPMessage *res, *entry;
- char *dn;
- int count;
- int failures = 0;
- util_url_node_t *curl; /* Cached URL node */
- util_url_node_t curnode;
- util_search_node_t *search_nodep; /* Cached search node */
- util_search_node_t the_search_node;
- apr_time_t curtime;
-
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(r->server->module_config,
- &ldap_module);
-
- /* Get the cache node for this url */
- LDAP_CACHE_LOCK();
- curnode.url = url;
- curl = (util_url_node_t *)util_ald_cache_fetch(st->util_ldap_cache, &curnode);
- if (curl == NULL) {
- curl = util_ald_create_caches(st, url);
- }
- LDAP_CACHE_UNLOCK();
-
- if (curl) {
- LDAP_CACHE_LOCK();
- the_search_node.username = filter;
- search_nodep = util_ald_cache_fetch(curl->search_cache, &the_search_node);
- if (search_nodep != NULL) {
-
- /* found entry in search cache... */
- curtime = apr_time_now();
-
- /*
- * Remove this item from the cache if its expired.
- */
- if ((curtime - search_nodep->lastbind) > st->search_cache_ttl) {
- /* ...but entry is too old */
- util_ald_cache_remove(curl->search_cache, search_nodep);
- }
- else {
- /* ...and entry is valid */
- *binddn = search_nodep->dn;
- *retvals = search_nodep->vals;
- LDAP_CACHE_UNLOCK();
- ldc->reason = "Search successful (cached)";
- return LDAP_SUCCESS;
- }
- }
- /* unlock this read lock */
- LDAP_CACHE_UNLOCK();
- }
-
- /*
- * At this point, there is no valid cached search, so lets do the search.
- */
-
- /*
- * If any LDAP operation fails due to LDAP_SERVER_DOWN, control returns here.
- */
-start_over:
- if (failures++ > 10) {
- return result;
- }
- if (LDAP_SUCCESS != (result = util_ldap_connection_open(r, ldc))) {
- return result;
- }
-
- /* try do the search */
- if ((result = ldap_search_ext_s(ldc->ldap,
- const_cast(basedn), scope,
- const_cast(filter), attrs, 0,
- NULL, NULL, NULL, -1, &res)) == LDAP_SERVER_DOWN) {
- ldc->reason = "ldap_search_ext_s() for user failed with server down";
- util_ldap_connection_unbind(ldc);
- goto start_over;
- }
-
- /* if there is an error (including LDAP_NO_SUCH_OBJECT) return now */
- if (result != LDAP_SUCCESS) {
- ldc->reason = "ldap_search_ext_s() for user failed";
- return result;
- }
-
- /*
- * We should have found exactly one entry; to find a different
- * number is an error.
- */
- count = ldap_count_entries(ldc->ldap, res);
- if (count != 1)
- {
- if (count == 0 )
- ldc->reason = "User not found";
- else
- ldc->reason = "User is not unique (search found two or more matches)";
- ldap_msgfree(res);
- return LDAP_NO_SUCH_OBJECT;
- }
-
- entry = ldap_first_entry(ldc->ldap, res);
-
- /* Grab the dn, copy it into the pool, and free it again */
- dn = ldap_get_dn(ldc->ldap, entry);
- *binddn = apr_pstrdup(r->pool, dn);
- ldap_memfree(dn);
-
- /*
- * Get values for the provided attributes.
- */
- if (attrs) {
- int k = 0;
- int i = 0;
- while (attrs[k++]);
- vals = apr_pcalloc(r->pool, sizeof(char *) * (k+1));
- numvals = k;
- while (attrs[i]) {
- char **values;
- int j = 0;
- char *str = NULL;
- /* get values */
- values = ldap_get_values(ldc->ldap, entry, attrs[i]);
- while (values && values[j]) {
- str = str ? apr_pstrcat(r->pool, str, "; ", values[j], NULL) : apr_pstrdup(r->pool, values[j]);
- j++;
- }
- ldap_value_free(values);
- vals[i] = str;
- i++;
- }
- *retvals = vals;
- }
-
- /*
- * Add the new username to the search cache.
- */
- if (curl) {
- LDAP_CACHE_LOCK();
- the_search_node.username = filter;
- the_search_node.dn = *binddn;
- the_search_node.bindpw = NULL;
- the_search_node.lastbind = apr_time_now();
- the_search_node.vals = vals;
- the_search_node.numvals = numvals;
-
- /* Search again to make sure that another thread didn't ready insert this node
- into the cache before we got here. If it does exist then update the lastbind */
- search_nodep = util_ald_cache_fetch(curl->search_cache, &the_search_node);
- if ((search_nodep == NULL) ||
- (strcmp(*binddn, search_nodep->dn) != 0)) {
-
- /* Nothing in cache, insert new entry */
- util_ald_cache_insert(curl->search_cache, &the_search_node);
- }
- /*
- * Don't update lastbind on entries with bindpw because
- * we haven't verified that password. It's OK to update
- * the entry if there is no password in it.
- */
- else if (!search_nodep->bindpw) {
- /* Cache entry is valid, update lastbind */
- search_nodep->lastbind = the_search_node.lastbind;
- }
- LDAP_CACHE_UNLOCK();
- }
- ldap_msgfree(res);
-
- ldc->reason = "Search successful";
- return LDAP_SUCCESS;
-}
-
-/*
- * Reports if ssl support is enabled
- *
- * 1 = enabled, 0 = not enabled
- */
-LDAP_DECLARE(int) util_ldap_ssl_supported(request_rec *r)
-{
- util_ldap_state_t *st = (util_ldap_state_t *)ap_get_module_config(
- r->server->module_config, &ldap_module);
-
- return(st->ssl_support);
-}
-
-
-/* ---------------------------------------- */
-/* config directives */
-
-
-static const char *util_ldap_set_cache_bytes(cmd_parms *cmd, void *dummy, const char *bytes)
-{
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(cmd->server->module_config,
- &ldap_module);
-
- st->cache_bytes = atol(bytes);
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, cmd->server,
- "[%" APR_PID_T_FMT "] ldap cache: Setting shared memory "
- " cache size to %" APR_SIZE_T_FMT " bytes.",
- getpid(), st->cache_bytes);
-
- return NULL;
-}
-
-static const char *util_ldap_set_cache_file(cmd_parms *cmd, void *dummy, const char *file)
-{
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(cmd->server->module_config,
- &ldap_module);
-
- if (file) {
- st->cache_file = ap_server_root_relative(st->pool, file);
- }
- else {
- st->cache_file = NULL;
- }
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, cmd->server,
- "LDAP cache: Setting shared memory cache file to %s bytes.",
- st->cache_file);
-
- return NULL;
-}
-
-static const char *util_ldap_set_cache_ttl(cmd_parms *cmd, void *dummy, const char *ttl)
-{
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(cmd->server->module_config,
- &ldap_module);
-
- st->search_cache_ttl = atol(ttl) * 1000000;
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, cmd->server,
- "[%d] ldap cache: Setting cache TTL to %ld microseconds.",
- getpid(), st->search_cache_ttl);
-
- return NULL;
-}
-
-static const char *util_ldap_set_cache_entries(cmd_parms *cmd, void *dummy, const char *size)
-{
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(cmd->server->module_config,
- &ldap_module);
-
-
- st->search_cache_size = atol(size);
- if (st->search_cache_size < 0) {
- st->search_cache_size = 0;
- }
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, cmd->server,
- "[%d] ldap cache: Setting search cache size to %ld entries.",
- getpid(), st->search_cache_size);
-
- return NULL;
-}
-
-static const char *util_ldap_set_opcache_ttl(cmd_parms *cmd, void *dummy, const char *ttl)
-{
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(cmd->server->module_config,
- &ldap_module);
-
- st->compare_cache_ttl = atol(ttl) * 1000000;
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, cmd->server,
- "[%d] ldap cache: Setting operation cache TTL to %ld microseconds.",
- getpid(), st->compare_cache_ttl);
-
- return NULL;
-}
-
-static const char *util_ldap_set_opcache_entries(cmd_parms *cmd, void *dummy, const char *size)
-{
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(cmd->server->module_config,
- &ldap_module);
-
- st->compare_cache_size = atol(size);
- if (st->compare_cache_size < 0) {
- st->compare_cache_size = 0;
- }
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, cmd->server,
- "[%d] ldap cache: Setting operation cache size to %ld entries.",
- getpid(), st->compare_cache_size);
-
- return NULL;
-}
-
-static const char *util_ldap_set_cert_auth(cmd_parms *cmd, void *dummy, const char *file)
-{
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(cmd->server->module_config,
- &ldap_module);
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- apr_finfo_t finfo;
- apr_status_t rv;
-
- if (err != NULL) {
- return err;
- }
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, cmd->server,
- "LDAP: SSL trusted certificate authority file - %s",
- file);
-
- st->cert_auth_file = ap_server_root_relative(cmd->pool, file);
-
- if (st->cert_auth_file &&
- ((rv = apr_stat (&finfo, st->cert_auth_file, APR_FINFO_MIN, cmd->pool)) != APR_SUCCESS))
- {
- ap_log_error(APLOG_MARK, APLOG_ERR, rv, cmd->server,
- "LDAP: Could not open SSL trusted certificate authority file - %s",
- st->cert_auth_file == NULL ? file : st->cert_auth_file);
- return "Invalid file path";
- }
-
- return(NULL);
-}
-
-
-static const char *util_ldap_set_cert_type(cmd_parms *cmd, void *dummy, const char *Type)
-{
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(cmd->server->module_config,
- &ldap_module);
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
- if (err != NULL) {
- return err;
- }
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, cmd->server,
- "LDAP: SSL trusted certificate authority file type - %s",
- Type);
-
- if (0 == strcmp("DER_FILE", Type))
- st->cert_file_type = LDAP_CA_TYPE_DER;
-
- else if (0 == strcmp("BASE64_FILE", Type))
- st->cert_file_type = LDAP_CA_TYPE_BASE64;
-
- else if (0 == strcmp("CERT7_DB_PATH", Type))
- st->cert_file_type = LDAP_CA_TYPE_CERT7_DB;
-
- else
- st->cert_file_type = LDAP_CA_TYPE_UNKNOWN;
-
- return(NULL);
-}
-
-static const char *util_ldap_set_connection_timeout(cmd_parms *cmd, void *dummy, const char *ttl)
-{
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(cmd->server->module_config,
- &ldap_module);
- const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
-
- if (err != NULL) {
- return err;
- }
-
-#ifdef LDAP_OPT_NETWORK_TIMEOUT
- st->connectionTimeout = atol(ttl);
-
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, cmd->server,
- "[%d] ldap connection: Setting connection timeout to %ld seconds.",
- getpid(), st->connectionTimeout);
-#else
- ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, cmd->server,
- "LDAP: Connection timout option not supported by the LDAP SDK in use." );
-#endif
-
- return NULL;
-}
-
-void *util_ldap_create_config(apr_pool_t *p, server_rec *s)
-{
- util_ldap_state_t *st =
- (util_ldap_state_t *)apr_pcalloc(p, sizeof(util_ldap_state_t));
-
- /* Create a per vhost pool for mod_ldap to use, serialized with
- * st->mutex (also one per vhost)
- */
- apr_pool_create(&st->pool, p);
-#if APR_HAS_THREADS
- apr_thread_mutex_create(&st->mutex, APR_THREAD_MUTEX_DEFAULT, st->pool);
-#endif
-
- st->cache_bytes = 100000;
- st->search_cache_ttl = 600000000;
- st->search_cache_size = 1024;
- st->compare_cache_ttl = 600000000;
- st->compare_cache_size = 1024;
- st->connections = NULL;
- st->cert_auth_file = NULL;
- st->cert_file_type = LDAP_CA_TYPE_UNKNOWN;
- st->ssl_support = 0;
- st->connectionTimeout = 10;
-
- return st;
-}
-
-static apr_status_t util_ldap_cleanup_module(void *data)
-{
-#if APR_HAS_LDAP_SSL && APR_HAS_NOVELL_LDAPSDK
- server_rec *s = data;
- util_ldap_state_t *st = (util_ldap_state_t *)ap_get_module_config(
- s->module_config, &ldap_module);
-
- if (st->ssl_support)
- ldapssl_client_deinit();
-
-#endif
- return APR_SUCCESS;
-}
-
-static int util_ldap_post_config(apr_pool_t *p, apr_pool_t *plog,
- apr_pool_t *ptemp, server_rec *s)
-{
- int rc = LDAP_SUCCESS;
- apr_status_t result;
- char buf[MAX_STRING_LEN];
- server_rec *s_vhost;
- util_ldap_state_t *st_vhost;
-
- util_ldap_state_t *st =
- (util_ldap_state_t *)ap_get_module_config(s->module_config, &ldap_module);
-
- void *data;
- const char *userdata_key = "util_ldap_init";
-
- /* util_ldap_post_config() will be called twice. Don't bother
- * going through all of the initialization on the first call
- * because it will just be thrown away.*/
- apr_pool_userdata_get(&data, userdata_key, s->process->pool);
- if (!data) {
- apr_pool_userdata_set((const void *)1, userdata_key,
- apr_pool_cleanup_null, s->process->pool);
-
-#if APR_HAS_SHARED_MEMORY
- /* If the cache file already exists then delete it. Otherwise we are
- * going to run into problems creating the shared memory. */
- if (st->cache_file) {
- char *lck_file = apr_pstrcat (ptemp, st->cache_file, ".lck", NULL);
- apr_file_remove(st->cache_file, ptemp);
- apr_file_remove(lck_file, ptemp);
- }
-#endif
- return OK;
- }
-
-#if APR_HAS_SHARED_MEMORY
- /* initializing cache if shared memory size is not zero and we already don't have shm address */
- if (!st->cache_shm && st->cache_bytes > 0) {
-#endif
- result = util_ldap_cache_init(p, st);
- if (result != APR_SUCCESS) {
- apr_strerror(result, buf, sizeof(buf));
- ap_log_error(APLOG_MARK, APLOG_ERR, result, s,
- "LDAP cache: error while creating a shared memory segment: %s", buf);
- }
-
-
-#if APR_HAS_SHARED_MEMORY
- if (st->cache_file) {
- st->lock_file = apr_pstrcat (st->pool, st->cache_file, ".lck", NULL);
- }
- else
-#endif
- st->lock_file = ap_server_root_relative(st->pool, tmpnam(NULL));
-
- result = apr_global_mutex_create(&st->util_ldap_cache_lock, st->lock_file, APR_LOCK_DEFAULT, st->pool);
- if (result != APR_SUCCESS) {
- return result;
- }
-
-#ifdef UTIL_LDAP_SET_MUTEX_PERMS
- result = unixd_set_global_mutex_perms(st->util_ldap_cache_lock);
- if (result != APR_SUCCESS) {
- ap_log_error(APLOG_MARK, APLOG_CRIT, result, s,
- "LDAP cache: failed to set mutex permissions");
- return result;
- }
-#endif
-
- /* merge config in all vhost */
- s_vhost = s->next;
- while (s_vhost) {
- st_vhost = (util_ldap_state_t *)ap_get_module_config(s_vhost->module_config, &ldap_module);
-
-#if APR_HAS_SHARED_MEMORY
- st_vhost->cache_shm = st->cache_shm;
- st_vhost->cache_rmm = st->cache_rmm;
- st_vhost->cache_file = st->cache_file;
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, result, s,
- "LDAP merging Shared Cache conf: shm=0x%pp rmm=0x%pp for VHOST: %s",
- st->cache_shm, st->cache_rmm, s_vhost->server_hostname);
-#endif
- st_vhost->lock_file = st->lock_file;
- s_vhost = s_vhost->next;
- }
-#if APR_HAS_SHARED_MEMORY
- }
- else {
- ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, s, "LDAP cache: LDAPSharedCacheSize is zero, disabling shared memory cache");
- }
-#endif
-
- /* log the LDAP SDK used
- */
- #if APR_HAS_NETSCAPE_LDAPSDK
-
- ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, s,
- "LDAP: Built with Netscape LDAP SDK" );
-
- #elif APR_HAS_NOVELL_LDAPSDK
-
- ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, s,
- "LDAP: Built with Novell LDAP SDK" );
-
- #elif APR_HAS_OPENLDAP_LDAPSDK
-
- ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, s,
- "LDAP: Built with OpenLDAP LDAP SDK" );
-
- #elif APR_HAS_MICROSOFT_LDAPSDK
-
- ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, s,
- "LDAP: Built with Microsoft LDAP SDK" );
- #else
-
- ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, s,
- "LDAP: Built with unknown LDAP SDK" );
-
- #endif /* APR_HAS_NETSCAPE_LDAPSDK */
-
-
-
- apr_pool_cleanup_register(p, s, util_ldap_cleanup_module,
- util_ldap_cleanup_module);
-
- /* initialize SSL support if requested
- */
- if (st->cert_auth_file)
- {
- #if APR_HAS_LDAP_SSL /* compiled with ssl support */
-
- #if APR_HAS_NETSCAPE_LDAPSDK
-
- /* Netscape sdk only supports a cert7.db file
- */
- if (st->cert_file_type == LDAP_CA_TYPE_CERT7_DB)
- {
- rc = ldapssl_client_init(st->cert_auth_file, NULL);
- }
- else
- {
- ap_log_error(APLOG_MARK, APLOG_CRIT, 0, s,
- "LDAP: Invalid LDAPTrustedCAType directive - "
- "CERT7_DB_PATH type required");
- rc = -1;
- }
-
- #elif APR_HAS_NOVELL_LDAPSDK
-
- /* Novell SDK supports DER or BASE64 files
- */
- if (st->cert_file_type == LDAP_CA_TYPE_DER ||
- st->cert_file_type == LDAP_CA_TYPE_BASE64 )
- {
- rc = ldapssl_client_init(NULL, NULL);
- if (LDAP_SUCCESS == rc)
- {
- if (st->cert_file_type == LDAP_CA_TYPE_BASE64)
- rc = ldapssl_add_trusted_cert(st->cert_auth_file,
- LDAPSSL_CERT_FILETYPE_B64);
- else
- rc = ldapssl_add_trusted_cert(st->cert_auth_file,
- LDAPSSL_CERT_FILETYPE_DER);
-
- if (LDAP_SUCCESS != rc)
- ldapssl_client_deinit();
- }
- }
- else
- {
- ap_log_error(APLOG_MARK, APLOG_CRIT, 0, s,
- "LDAP: Invalid LDAPTrustedCAType directive - "
- "DER_FILE or BASE64_FILE type required");
- rc = -1;
- }
-
- #elif APR_HAS_OPENLDAP_LDAPSDK
-
- /* OpenLDAP SDK supports BASE64 files
- */
- if (st->cert_file_type == LDAP_CA_TYPE_BASE64)
- {
- rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_CACERTFILE, st->cert_auth_file);
- }
- else
- {
- ap_log_error(APLOG_MARK, APLOG_CRIT, 0, s,
- "LDAP: Invalid LDAPTrustedCAType directive - "
- "BASE64_FILE type required");
- rc = -1;
- }
-
-
- #elif APR_HAS_MICROSOFT_LDAPSDK
-
- /* Microsoft SDK use the registry certificate store - always
- * assume support is always available
- */
- rc = LDAP_SUCCESS;
-
- #else
- rc = -1;
- #endif /* APR_HAS_NETSCAPE_LDAPSDK */
-
- #else /* not compiled with SSL Support */
-
- ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, s,
- "LDAP: Not built with SSL support." );
- rc = -1;
-
- #endif /* APR_HAS_LDAP_SSL */
-
- if (LDAP_SUCCESS == rc)
- {
- st->ssl_support = 1;
- }
- else
- {
- ap_log_error(APLOG_MARK, APLOG_WARNING, 0, s,
- "LDAP: SSL initialization failed");
- st->ssl_support = 0;
- }
- }
-
- /* The Microsoft SDK uses the registry certificate store -
- * always assume support is available
- */
- #if APR_HAS_MICROSOFT_LDAPSDK
- st->ssl_support = 1;
- #endif
-
-
- /* log SSL status - If SSL isn't available it isn't necessarily
- * an error because the modules asking for LDAP connections
- * may not ask for SSL support
- */
- if (st->ssl_support)
- {
- ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, s,
- "LDAP: SSL support available" );
- }
- else
- {
- ap_log_error(APLOG_MARK, APLOG_NOTICE, 0, s,
- "LDAP: SSL support unavailable" );
- }
-
- return(OK);
-}
-
-static void util_ldap_child_init(apr_pool_t *p, server_rec *s)
-{
- apr_status_t sts;
- util_ldap_state_t *st = ap_get_module_config(s->module_config, &ldap_module);
-
- if (!st->util_ldap_cache_lock) return;
-
- sts = apr_global_mutex_child_init(&st->util_ldap_cache_lock, st->lock_file, p);
- if (sts != APR_SUCCESS) {
- ap_log_error(APLOG_MARK, APLOG_CRIT, sts, s,
- "Failed to initialise global mutex %s in child process %"
- APR_PID_T_FMT
- ".",
- st->lock_file, getpid());
- return;
- }
- else {
- ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, 0, s,
- "Initialisation of global mutex %s in child process %"
- APR_PID_T_FMT
- " successful.",
- st->lock_file, getpid());
- }
-}
-
-command_rec util_ldap_cmds[] = {
- AP_INIT_TAKE1("LDAPSharedCacheSize", util_ldap_set_cache_bytes, NULL, RSRC_CONF,
- "Sets the size of the shared memory cache in bytes. "
- "Zero means disable the shared memory cache. Defaults to 100KB."),
-
- AP_INIT_TAKE1("LDAPSharedCacheFile", util_ldap_set_cache_file, NULL, RSRC_CONF,
- "Sets the file of the shared memory cache."
- "Nothing means disable the shared memory cache."),
-
- AP_INIT_TAKE1("LDAPCacheEntries", util_ldap_set_cache_entries, NULL, RSRC_CONF,
- "Sets the maximum number of entries that are possible in the LDAP "
- "search cache. "
- "Zero means no limit; -1 disables the cache. Defaults to 1024 entries."),
-
- AP_INIT_TAKE1("LDAPCacheTTL", util_ldap_set_cache_ttl, NULL, RSRC_CONF,
- "Sets the maximum time (in seconds) that an item can be cached in the LDAP "
- "search cache. Zero means no limit. Defaults to 600 seconds (10 minutes)."),
-
- AP_INIT_TAKE1("LDAPOpCacheEntries", util_ldap_set_opcache_entries, NULL, RSRC_CONF,
- "Sets the maximum number of entries that are possible in the LDAP "
- "compare cache. "
- "Zero means no limit; -1 disables the cache. Defaults to 1024 entries."),
-
- AP_INIT_TAKE1("LDAPOpCacheTTL", util_ldap_set_opcache_ttl, NULL, RSRC_CONF,
- "Sets the maximum time (in seconds) that an item is cached in the LDAP "
- "operation cache. Zero means no limit. Defaults to 600 seconds (10 minutes)."),
-
- AP_INIT_TAKE1("LDAPTrustedCA", util_ldap_set_cert_auth, NULL, RSRC_CONF,
- "Sets the file containing the trusted Certificate Authority certificate. "
- "Used to validate the LDAP server certificate for SSL connections."),
-
- AP_INIT_TAKE1("LDAPTrustedCAType", util_ldap_set_cert_type, NULL, RSRC_CONF,
- "Specifies the type of the Certificate Authority file. "
- "The following types are supported: "
- " DER_FILE - file in binary DER format "
- " BASE64_FILE - file in Base64 format "
- " CERT7_DB_PATH - Netscape certificate database file "),
-
- AP_INIT_TAKE1("LDAPConnectionTimeout", util_ldap_set_connection_timeout, NULL, RSRC_CONF,
- "Specifies the LDAP socket connection timeout in seconds. "
- "Default is 10 seconds. "),
-
- {NULL}
-};
-
-static void util_ldap_register_hooks(apr_pool_t *p)
-{
- ap_hook_post_config(util_ldap_post_config,NULL,NULL,APR_HOOK_MIDDLE);
- ap_hook_handler(util_ldap_handler, NULL, NULL, APR_HOOK_MIDDLE);
- ap_hook_child_init(util_ldap_child_init, NULL, NULL, APR_HOOK_MIDDLE);
-}
-
-module ldap_module = {
- STANDARD20_MODULE_STUFF,
- NULL, /* dir config creater */
- NULL, /* dir merger --- default is to override */
- util_ldap_create_config, /* server config */
- NULL, /* merge server config */
- util_ldap_cmds, /* command table */
- util_ldap_register_hooks, /* set up request processing hooks */
-};