| /* Copyright 2001-2005 The Apache Software Foundation or its licensors, as |
| * applicable. |
| * |
| * Licensed 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 "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" |
| |
| #include <apr_strings.h> |
| |
| #if APR_HAVE_UNISTD_H |
| #include <unistd.h> |
| #endif |
| |
| #if !APR_HAS_LDAP |
| #error mod_ldap requires APR-util to have LDAP support built in |
| #endif |
| |
| #ifdef AP_NEED_SET_MUTEX_PERMS |
| #include "unixd.h" |
| #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; |
| |
| #define LDAP_CACHE_LOCK() do { \ |
| if (st->util_ldap_cache_lock) \ |
| apr_global_mutex_lock(st->util_ldap_cache_lock); \ |
| } while (0) |
| |
| #define LDAP_CACHE_UNLOCK() do { \ |
| if (st->util_ldap_cache_lock) \ |
| apr_global_mutex_unlock(st->util_ldap_cache_lock); \ |
| } while (0) |
| |
| static void util_ldap_strdup (char **str, const char *newstr) |
| { |
| if (*str) { |
| free(*str); |
| *str = NULL; |
| } |
| |
| if (newstr) { |
| *str = strdup(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> |
| * |
| */ |
| static 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"; |
| 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 |
| * uldap_connection_find() is called this connection will be |
| * available for reuse. |
| */ |
| static void uldap_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. |
| */ |
| static apr_status_t uldap_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. |
| */ |
| static apr_status_t uldap_connection_cleanup(void *param) |
| { |
| util_ldap_connection_t *ldc = param; |
| |
| if (ldc) { |
| |
| /* unbind and disconnect from the LDAP server */ |
| uldap_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 */ |
| uldap_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 |
| */ |
| static int uldap_connection_open(request_rec *r, |
| util_ldap_connection_t *ldc) |
| { |
| int rc = 0; |
| int failures = 0; |
| int version = LDAP_VERSION3; |
| apr_ldap_err_t *result = NULL; |
| 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); |
| |
| /* sanity check for NULL */ |
| if (!ldc) { |
| return -1; |
| } |
| |
| /* 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) |
| { |
| /* Since the host will include a port if the default port is not used, |
| * always specify the default ports for the port parameter. This will |
| * allow a host string that contains multiple hosts the ability to mix |
| * some hosts with ports and some without. All hosts which do not |
| * specify a port will use the default port. |
| */ |
| apr_ldap_init(ldc->pool, &(ldc->ldap), |
| ldc->host, |
| APR_LDAP_SSL == ldc->secure ? LDAPS_PORT : LDAP_PORT, |
| APR_LDAP_NONE, |
| &(result)); |
| |
| |
| if (result != NULL && result->rc) { |
| ldc->reason = result->reason; |
| } |
| |
| if (NULL == ldc->ldap) |
| { |
| ldc->bound = 0; |
| if (NULL == ldc->reason) { |
| ldc->reason = "LDAP: ldap initialization failed"; |
| } |
| else { |
| ldc->reason = result->reason; |
| } |
| return(result->rc); |
| } |
| |
| /* always default to LDAP V3 */ |
| ldap_set_option(ldc->ldap, LDAP_OPT_PROTOCOL_VERSION, &version); |
| |
| /* set client certificates */ |
| if (!apr_is_empty_array(ldc->client_certs)) { |
| apr_ldap_set_option(ldc->pool, ldc->ldap, APR_LDAP_OPT_TLS_CERT, |
| ldc->client_certs, &(result)); |
| if (LDAP_SUCCESS != result->rc) { |
| ldap_unbind_s(ldc->ldap); |
| ldc->ldap = NULL; |
| ldc->bound = 0; |
| ldc->reason = result->reason; |
| return(result->rc); |
| } |
| } |
| |
| /* switch on SSL/TLS */ |
| if (APR_LDAP_NONE != ldc->secure) { |
| apr_ldap_set_option(ldc->pool, ldc->ldap, |
| APR_LDAP_OPT_TLS, &ldc->secure, &(result)); |
| if (LDAP_SUCCESS != result->rc) { |
| ldap_unbind_s(ldc->ldap); |
| ldc->ldap = NULL; |
| ldc->bound = 0; |
| ldc->reason = result->reason; |
| return(result->rc); |
| } |
| } |
| |
| /* Set the alias dereferencing option */ |
| ldap_set_option(ldc->ldap, LDAP_OPT_DEREF, &(ldc->deref)); |
| |
| /*XXX All of the #ifdef's need to be removed once apr-util 1.2 is released */ |
| #ifdef APR_LDAP_OPT_VERIFY_CERT |
| apr_ldap_set_option(ldc->pool, ldc->ldap, |
| APR_LDAP_OPT_VERIFY_CERT, &(st->verify_svr_cert), &(result)); |
| #else |
| #if defined(LDAPSSL_VERIFY_SERVER) |
| if (st->verify_svr_cert) { |
| result->rc = ldapssl_set_verify_mode(LDAPSSL_VERIFY_SERVER); |
| } |
| else { |
| result->rc = ldapssl_set_verify_mode(LDAPSSL_VERIFY_NONE); |
| } |
| #elif defined(LDAP_OPT_X_TLS_REQUIRE_CERT) |
| /* This is not a per-connection setting so just pass NULL for the |
| Ldap connection handle */ |
| if (st->verify_svr_cert) { |
| int i = LDAP_OPT_X_TLS_DEMAND; |
| result->rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, &i); |
| } |
| else { |
| int i = LDAP_OPT_X_TLS_NEVER; |
| result->rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, &i); |
| } |
| #endif |
| #endif |
| |
| #ifdef LDAP_OPT_NETWORK_TIMEOUT |
| if (st->connectionTimeout > 0) { |
| timeOut.tv_sec = st->connectionTimeout; |
| } |
| |
| if (st->connectionTimeout >= 0) { |
| rc = apr_ldap_set_option(ldc->pool, ldc->ldap, LDAP_OPT_NETWORK_TIMEOUT, |
| (void *)&timeOut, &(result)); |
| 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++) |
| { |
| rc = ldap_simple_bind_s(ldc->ldap, |
| (char *)ldc->binddn, |
| (char *)ldc->bindpw); |
| if (LDAP_SERVER_DOWN != rc) { |
| break; |
| } |
| } |
| |
| /* free the handle if there was an error |
| */ |
| if (LDAP_SUCCESS != rc) |
| { |
| 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(rc); |
| } |
| |
| |
| /* |
| * Compare client certificate arrays. |
| * |
| * Returns 1 on compare failure, 0 otherwise. |
| */ |
| static int compare_client_certs(apr_array_header_t *srcs, |
| apr_array_header_t *dests) |
| { |
| int i = 0; |
| struct apr_ldap_opt_tls_cert_t *src, *dest; |
| |
| /* arrays both NULL? if so, then equal */ |
| if (srcs == NULL && dests == NULL) { |
| return 0; |
| } |
| |
| /* arrays different length or either NULL? If so, then not equal */ |
| if (srcs == NULL || dests == NULL || srcs->nelts != dests->nelts) { |
| return 1; |
| } |
| |
| /* run an actual comparison */ |
| src = (struct apr_ldap_opt_tls_cert_t *)srcs->elts; |
| dest = (struct apr_ldap_opt_tls_cert_t *)dests->elts; |
| for (i = 0; i < srcs->nelts; i++) { |
| if (strcmp(src[i].path, dest[i].path) || |
| strcmp(src[i].password, dest[i].password) || |
| src[i].type != dest[i].type) { |
| return 1; |
| } |
| } |
| |
| /* if we got here, the cert arrays were identical */ |
| return 0; |
| |
| } |
| |
| |
| /* |
| * 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. |
| */ |
| static util_ldap_connection_t * |
| uldap_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 */ |
| int secureflag = secure; |
| |
| 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 |
| |
| if (secure < APR_LDAP_NONE) { |
| secureflag = st->secure; |
| } |
| |
| /* 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 == secureflag) |
| && !compare_client_certs(st->client_certs, l->client_certs)) |
| { |
| 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 == secureflag) && |
| !compare_client_certs(st->client_certs, l->client_certs)) |
| { |
| /* 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); |
| |
| /* The security mode after parsing the URL will always be either |
| * APR_LDAP_NONE (ldap://) or APR_LDAP_SSL (ldaps://). |
| * If the security setting is NONE, override it to the security |
| * setting optionally supplied by the admin using LDAPTrustedMode |
| */ |
| l->secure = secureflag; |
| |
| /* save away a copy of the client cert list that is presently valid */ |
| l->client_certs = apr_array_copy_hdr(l->pool, st->client_certs); |
| |
| /* add the cleanup to the pool */ |
| apr_pool_cleanup_register(l->pool, l, |
| uldap_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. |
| */ |
| static int uldap_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 = uldap_connection_open(r, ldc))) { |
| /* connect to server failed */ |
| return result; |
| } |
| |
| /* search for reqdn */ |
| if ((result = ldap_search_ext_s(ldc->ldap, (char *)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"; |
| uldap_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 |
| * |
| */ |
| static int uldap_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 = uldap_connection_open(r, ldc))) { |
| /* connect failed */ |
| return result; |
| } |
| |
| if ((result = ldap_compare_s(ldc->ldap, |
| (char *)dn, |
| (char *)attrib, |
| (char *)value)) |
| == LDAP_SERVER_DOWN) { |
| /* connection failed - try again */ |
| ldc->reason = "ldap_compare_s() failed with server down"; |
| uldap_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; |
| } |
| |
| static int uldap_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 storepassword, 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 LDAP operation fails due to LDAP_SERVER_DOWN, control returns here. |
| */ |
| start_over: |
| if (failures++ > 10) { |
| return result; |
| } |
| if (LDAP_SUCCESS != (result = uldap_connection_open(r, ldc))) { |
| return result; |
| } |
| |
| /* try do the search */ |
| if ((result = ldap_search_ext_s(ldc->ldap, |
| (char *)basedn, scope, |
| (char *)filter, attrs, 0, |
| NULL, NULL, NULL, -1, &res)) |
| == LDAP_SERVER_DOWN) |
| { |
| ldc->reason = "ldap_search_ext_s() for user failed with server down"; |
| uldap_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, |
| (char *)*binddn, |
| (char *)bindpw)) == LDAP_SERVER_DOWN) { |
| ldc->reason = "ldap_simple_bind_s() to check user credentials " |
| "failed with server down"; |
| ldap_msgfree(res); |
| uldap_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); |
| uldap_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 uldap_cache_checkuserid |
| * with password checking removed. |
| */ |
| static int uldap_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 LDAP operation fails due to LDAP_SERVER_DOWN, control returns here. |
| */ |
| start_over: |
| if (failures++ > 10) { |
| return result; |
| } |
| if (LDAP_SUCCESS != (result = uldap_connection_open(r, ldc))) { |
| return result; |
| } |
| |
| /* try do the search */ |
| if ((result = ldap_search_ext_s(ldc->ldap, |
| (char *)basedn, scope, |
| (char *)filter, attrs, 0, |
| NULL, NULL, NULL, -1, &res)) |
| == LDAP_SERVER_DOWN) |
| { |
| ldc->reason = "ldap_search_ext_s() for user failed with server down"; |
| uldap_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 |
| */ |
| static int uldap_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_supported); |
| } |
| |
| |
| /* ---------------------------------------- */ |
| /* 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); |
| const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); |
| |
| if (err != NULL) { |
| return err; |
| } |
| |
| st->cache_bytes = atol(bytes); |
| |
| ap_log_error(APLOG_MARK, APLOG_DEBUG, 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); |
| const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); |
| |
| if (err != NULL) { |
| return err; |
| } |
| |
| if (file) { |
| st->cache_file = ap_server_root_relative(st->pool, file); |
| } |
| else { |
| st->cache_file = NULL; |
| } |
| |
| ap_log_error(APLOG_MARK, APLOG_DEBUG, 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); |
| const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); |
| |
| if (err != NULL) { |
| return err; |
| } |
| |
| st->search_cache_ttl = atol(ttl) * 1000000; |
| |
| ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, cmd->server, |
| "[%" APR_PID_T_FMT "] 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); |
| const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); |
| |
| if (err != NULL) { |
| return err; |
| } |
| |
| st->search_cache_size = atol(size); |
| if (st->search_cache_size < 0) { |
| st->search_cache_size = 0; |
| } |
| |
| ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, cmd->server, |
| "[%" APR_PID_T_FMT "] 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); |
| const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); |
| |
| if (err != NULL) { |
| return err; |
| } |
| |
| st->compare_cache_ttl = atol(ttl) * 1000000; |
| |
| ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, cmd->server, |
| "[%" APR_PID_T_FMT "] 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); |
| const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY); |
| |
| if (err != NULL) { |
| return err; |
| } |
| |
| st->compare_cache_size = atol(size); |
| if (st->compare_cache_size < 0) { |
| st->compare_cache_size = 0; |
| } |
| |
| ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, cmd->server, |
| "[%" APR_PID_T_FMT "] ldap cache: Setting operation cache size to %ld " |
| "entries.", getpid(), st->compare_cache_size); |
| |
| return NULL; |
| } |
| |
| |
| /** |
| * Parse the certificate type. |
| * |
| * The type can be one of the following: |
| * CA_DER, CA_BASE64, CA_CERT7_DB, CA_SECMOD, CERT_DER, CERT_BASE64, |
| * CERT_KEY3_DB, CERT_NICKNAME, KEY_DER, KEY_BASE64 |
| * |
| * If no matches are found, APR_LDAP_CA_TYPE_UNKNOWN is returned. |
| */ |
| static int util_ldap_parse_cert_type(const char *type) |
| { |
| /* Authority file in binary DER format */ |
| if (0 == strcasecmp("CA_DER", type)) { |
| return APR_LDAP_CA_TYPE_DER; |
| } |
| |
| /* Authority file in Base64 format */ |
| else if (0 == strcasecmp("CA_BASE64", type)) { |
| return APR_LDAP_CA_TYPE_BASE64; |
| } |
| |
| /* Netscape certificate database file/directory */ |
| else if (0 == strcasecmp("CA_CERT7_DB", type)) { |
| return APR_LDAP_CA_TYPE_CERT7_DB; |
| } |
| |
| /* Netscape secmod file/directory */ |
| else if (0 == strcasecmp("CA_SECMOD", type)) { |
| return APR_LDAP_CA_TYPE_SECMOD; |
| } |
| |
| /* Client cert file in DER format */ |
| else if (0 == strcasecmp("CERT_DER", type)) { |
| return APR_LDAP_CERT_TYPE_DER; |
| } |
| |
| /* Client cert file in Base64 format */ |
| else if (0 == strcasecmp("CERT_BASE64", type)) { |
| return APR_LDAP_CERT_TYPE_BASE64; |
| } |
| |
| /* Client cert file in PKCS#12 format */ |
| else if (0 == strcasecmp("CERT_PFX", type)) { |
| return APR_LDAP_CERT_TYPE_PFX; |
| } |
| |
| /* Netscape client cert database file/directory */ |
| else if (0 == strcasecmp("CERT_KEY3_DB", type)) { |
| return APR_LDAP_CERT_TYPE_KEY3_DB; |
| } |
| |
| /* Netscape client cert nickname */ |
| else if (0 == strcasecmp("CERT_NICKNAME", type)) { |
| return APR_LDAP_CERT_TYPE_NICKNAME; |
| } |
| |
| /* Client cert key file in DER format */ |
| else if (0 == strcasecmp("KEY_DER", type)) { |
| return APR_LDAP_KEY_TYPE_DER; |
| } |
| |
| /* Client cert key file in Base64 format */ |
| else if (0 == strcasecmp("KEY_BASE64", type)) { |
| return APR_LDAP_KEY_TYPE_BASE64; |
| } |
| |
| /* Client cert key file in PKCS#12 format */ |
| else if (0 == strcasecmp("KEY_PFX", type)) { |
| return APR_LDAP_KEY_TYPE_PFX; |
| } |
| |
| else { |
| return APR_LDAP_CA_TYPE_UNKNOWN; |
| } |
| |
| } |
| |
| |
| /** |
| * Set LDAPTrustedGlobalCert. |
| * |
| * This directive takes either two or three arguments: |
| * - certificate type |
| * - certificate file / directory / nickname |
| * - certificate password (optional) |
| * |
| * This directive may only be used globally. |
| */ |
| static const char *util_ldap_set_trusted_global_cert(cmd_parms *cmd, |
| void *dummy, |
| const char *type, |
| const char *file, |
| const char *password) |
| { |
| 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; |
| int cert_type = 0; |
| apr_ldap_opt_tls_cert_t *cert; |
| |
| if (err != NULL) { |
| return err; |
| } |
| |
| /* handle the certificate type */ |
| if (type) { |
| cert_type = util_ldap_parse_cert_type(type); |
| if (APR_LDAP_CA_TYPE_UNKNOWN == cert_type) { |
| return apr_psprintf(cmd->pool, "The certificate type %s is " |
| "not recognised. It should be one " |
| "of CA_DER, CA_BASE64, CA_CERT7_DB, " |
| "CA_SECMOD, CERT_DER, CERT_BASE64, " |
| "CERT_KEY3_DB, CERT_NICKNAME, " |
| "KEY_DER, KEY_BASE64", type); |
| } |
| } |
| else { |
| return "Certificate type was not specified."; |
| } |
| |
| ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, cmd->server, |
| "LDAP: SSL trusted global cert - %s (type %s)", |
| file, type); |
| |
| /* add the certificate to the global array */ |
| cert = (apr_ldap_opt_tls_cert_t *)apr_array_push(st->global_certs); |
| cert->type = cert_type; |
| cert->path = file; |
| cert->password = password; |
| |
| /* if file is a file or path, fix the path */ |
| if (cert_type != APR_LDAP_CA_TYPE_UNKNOWN && |
| cert_type != APR_LDAP_CERT_TYPE_NICKNAME) { |
| |
| cert->path = ap_server_root_relative(cmd->pool, file); |
| if (cert->path && |
| ((rv = apr_stat (&finfo, cert->path, 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", |
| cert->path == NULL ? file : cert->path); |
| return "Invalid global certificate file path"; |
| } |
| } |
| |
| return(NULL); |
| } |
| |
| |
| /** |
| * Set LDAPTrustedClientCert. |
| * |
| * This directive takes either two or three arguments: |
| * - certificate type |
| * - certificate file / directory / nickname |
| * - certificate password (optional) |
| */ |
| static const char *util_ldap_set_trusted_client_cert(cmd_parms *cmd, |
| void *config, |
| const char *type, |
| const char *file, |
| const char *password) |
| { |
| util_ldap_state_t *st = |
| (util_ldap_state_t *)ap_get_module_config(cmd->server->module_config, |
| &ldap_module); |
| apr_finfo_t finfo; |
| apr_status_t rv; |
| int cert_type = 0; |
| apr_ldap_opt_tls_cert_t *cert; |
| |
| /* handle the certificate type */ |
| if (type) { |
| cert_type = util_ldap_parse_cert_type(type); |
| if (APR_LDAP_CA_TYPE_UNKNOWN == cert_type) { |
| return apr_psprintf(cmd->pool, "The certificate type \"%s\" is " |
| "not recognised. It should be one " |
| "of CERT_DER, CERT_BASE64, " |
| "CERT_NICKNAME, CERT_PFX," |
| "KEY_DER, KEY_BASE64, KEY_PFX", |
| type); |
| } |
| else if (APR_LDAP_CA_TYPE_DER == cert_type || |
| APR_LDAP_CA_TYPE_BASE64 == cert_type || |
| APR_LDAP_CA_TYPE_CERT7_DB == cert_type || |
| APR_LDAP_CA_TYPE_SECMOD == cert_type || |
| APR_LDAP_CERT_TYPE_PFX == cert_type || |
| APR_LDAP_CERT_TYPE_KEY3_DB == cert_type) { |
| return apr_psprintf(cmd->pool, "The certificate type \"%s\" is " |
| "only valid within a " |
| "LDAPTrustedGlobalCert directive. " |
| "Only CERT_DER, CERT_BASE64, " |
| "CERT_NICKNAME, KEY_DER, and " |
| "KEY_BASE64 may be used.", type); |
| } |
| } |
| else { |
| return "Certificate type was not specified."; |
| } |
| |
| ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, cmd->server, |
| "LDAP: SSL trusted client cert - %s (type %s)", |
| file, type); |
| |
| /* add the certificate to the global array */ |
| cert = (apr_ldap_opt_tls_cert_t *)apr_array_push(st->global_certs); |
| cert->type = cert_type; |
| cert->path = file; |
| cert->password = password; |
| |
| /* if file is a file or path, fix the path */ |
| if (cert_type != APR_LDAP_CA_TYPE_UNKNOWN && |
| cert_type != APR_LDAP_CERT_TYPE_NICKNAME) { |
| |
| cert->path = ap_server_root_relative(cmd->pool, file); |
| if (cert->path && |
| ((rv = apr_stat (&finfo, cert->path, APR_FINFO_MIN, cmd->pool)) |
| != APR_SUCCESS)) |
| { |
| ap_log_error(APLOG_MARK, APLOG_ERR, rv, cmd->server, |
| "LDAP: Could not open SSL client certificate " |
| "file - %s", |
| cert->path == NULL ? file : cert->path); |
| return "Invalid client certificate file path"; |
| } |
| |
| } |
| |
| return(NULL); |
| } |
| |
| |
| /** |
| * Set LDAPTrustedMode. |
| * |
| * This directive sets what encryption mode to use on a connection: |
| * - None (No encryption) |
| * - SSL (SSL encryption) |
| * - STARTTLS (TLS encryption) |
| */ |
| static const char *util_ldap_set_trusted_mode(cmd_parms *cmd, void *dummy, |
| const char *mode) |
| { |
| util_ldap_state_t *st = |
| (util_ldap_state_t *)ap_get_module_config(cmd->server->module_config, |
| &ldap_module); |
| |
| ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, cmd->server, |
| "LDAP: SSL trusted mode - %s", |
| mode); |
| |
| if (0 == strcasecmp("NONE", mode)) { |
| st->secure = APR_LDAP_NONE; |
| } |
| else if (0 == strcasecmp("SSL", mode)) { |
| st->secure = APR_LDAP_SSL; |
| } |
| else if ( (0 == strcasecmp("TLS", mode)) |
| || (0 == strcasecmp("STARTTLS", mode))) { |
| st->secure = APR_LDAP_STARTTLS; |
| } |
| else { |
| return "Invalid LDAPTrustedMode setting: must be one of NONE, " |
| "SSL, or TLS/STARTTLS"; |
| } |
| |
| st->secure_set = 1; |
| return(NULL); |
| } |
| |
| static const char *util_ldap_set_verify_srv_cert(cmd_parms *cmd, |
| void *dummy, |
| int mode) |
| { |
| 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, 0, cmd->server, |
| "LDAP: SSL verify server certificate - %s", |
| mode?"TRUE":"FALSE"); |
| |
| st->verify_svr_cert = mode; |
| |
| 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, 0, cmd->server, |
| "[%" APR_PID_T_FMT "] 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; |
| } |
| |
| |
| static 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->ssl_supported = 0; |
| st->global_certs = apr_array_make(p, 10, sizeof(apr_ldap_opt_tls_cert_t)); |
| st->client_certs = apr_array_make(p, 10, sizeof(apr_ldap_opt_tls_cert_t)); |
| st->secure = APR_LDAP_NONE; |
| st->secure_set = 0; |
| st->connectionTimeout = 10; |
| st->verify_svr_cert = 1; |
| |
| return st; |
| } |
| |
| static void *util_ldap_merge_config(apr_pool_t *p, void *basev, |
| void *overridesv) |
| { |
| util_ldap_state_t *st = apr_pcalloc(p, sizeof(util_ldap_state_t)); |
| util_ldap_state_t *base = (util_ldap_state_t *) basev; |
| util_ldap_state_t *overrides = (util_ldap_state_t *) overridesv; |
| |
| st->pool = overrides->pool; |
| #if APR_HAS_THREADS |
| st->mutex = overrides->mutex; |
| #endif |
| |
| /* The cache settings can not be modified in a |
| virtual host since all server use the same |
| shared memory cache. */ |
| st->cache_bytes = base->cache_bytes; |
| st->search_cache_ttl = base->search_cache_ttl; |
| st->search_cache_size = base->search_cache_size; |
| st->compare_cache_ttl = base->compare_cache_ttl; |
| st->compare_cache_size = base->compare_cache_size; |
| |
| st->connections = NULL; |
| st->ssl_supported = 0; |
| st->global_certs = apr_array_append(p, base->global_certs, |
| overrides->global_certs); |
| st->client_certs = apr_array_append(p, base->client_certs, |
| overrides->client_certs); |
| st->secure = (overrides->secure_set == 0) ? base->secure |
| : overrides->secure; |
| |
| /* These LDAP connection settings can not be overwritten in |
| a virtual host. Once set in the base server, they must |
| remain the same. None of the LDAP SDKs seem to be able |
| to handle setting the verify_svr_cert flag on a |
| per-connection basis. The OpenLDAP client appears to be |
| able to handle the connection timeout per-connection |
| but the Novell SDK cannot. Allowing the timeout to |
| be set by each vhost is of little value so rather than |
| trying to make special expections for one LDAP SDK, GLOBAL_ONLY |
| is being enforced on this setting as well. */ |
| st->connectionTimeout = base->connectionTimeout; |
| st->verify_svr_cert = base->verify_svr_cert; |
| |
| return st; |
| } |
| |
| static apr_status_t util_ldap_cleanup_module(void *data) |
| { |
| |
| 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_supported) { |
| apr_ldap_ssl_deinit(); |
| } |
| |
| return APR_SUCCESS; |
| |
| } |
| |
| static int util_ldap_post_config(apr_pool_t *p, apr_pool_t *plog, |
| apr_pool_t *ptemp, server_rec *s) |
| { |
| apr_status_t result; |
| 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"; |
| apr_ldap_err_t *result_err = NULL; |
| int rc; |
| |
| /* 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(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) { |
| ap_log_error(APLOG_MARK, APLOG_ERR, result, s, |
| "LDAP cache: could not create shared memory segment"); |
| return DONE; |
| } |
| |
| |
| #if APR_HAS_SHARED_MEMORY |
| if (st->cache_file) { |
| st->lock_file = apr_pstrcat(st->pool, st->cache_file, ".lck", |
| NULL); |
| } |
| #endif |
| |
| 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 AP_NEED_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, 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 |
| */ |
| { |
| apr_ldap_err_t *result = NULL; |
| apr_ldap_info(p, &(result)); |
| if (result != NULL) { |
| ap_log_error(APLOG_MARK, APLOG_INFO, 0, s, "%s", result->reason); |
| } |
| } |
| |
| apr_pool_cleanup_register(p, s, util_ldap_cleanup_module, |
| util_ldap_cleanup_module); |
| |
| /* |
| * Initialize SSL support, and log the result for the benefit of the admin. |
| * |
| * If SSL is not supported it is not necessarily an error, as the |
| * application may not want to use it. |
| */ |
| rc = apr_ldap_ssl_init(p, |
| NULL, |
| 0, |
| &(result_err)); |
| if (APR_SUCCESS == rc) { |
| rc = apr_ldap_set_option(p, NULL, APR_LDAP_OPT_TLS_CERT, |
| (void *)st->global_certs, &(result_err)); |
| } |
| |
| if (APR_SUCCESS == rc) { |
| st->ssl_supported = 1; |
| ap_log_error(APLOG_MARK, APLOG_INFO, 0, s, |
| "LDAP: SSL support available" ); |
| } |
| else { |
| st->ssl_supported = 0; |
| ap_log_error(APLOG_MARK, APLOG_INFO, 0, s, |
| "LDAP: SSL support unavailable%s%s", |
| result_err ? ": " : "", |
| result_err ? result_err->reason : ""); |
| } |
| |
| 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()); |
| } |
| } |
| |
| static const command_rec util_ldap_cmds[] = { |
| AP_INIT_TAKE1("LDAPSharedCacheSize", util_ldap_set_cache_bytes, |
| NULL, RSRC_CONF, |
| "Set the size of the shared memory cache (in bytes). Use " |
| "0 to disable the shared memory cache. (default: 100000)"), |
| |
| AP_INIT_TAKE1("LDAPSharedCacheFile", util_ldap_set_cache_file, |
| NULL, RSRC_CONF, |
| "Set the file name for the shared memory cache."), |
| |
| AP_INIT_TAKE1("LDAPCacheEntries", util_ldap_set_cache_entries, |
| NULL, RSRC_CONF, |
| "Set the maximum number of entries that are possible in the " |
| "LDAP search cache. Use 0 for no limit. " |
| "-1 disables the cache. (default: 1024)"), |
| |
| AP_INIT_TAKE1("LDAPCacheTTL", util_ldap_set_cache_ttl, |
| NULL, RSRC_CONF, |
| "Set the maximum time (in seconds) that an item can be " |
| "cached in the LDAP search cache. Use 0 for no limit. " |
| "(default 600)"), |
| |
| AP_INIT_TAKE1("LDAPOpCacheEntries", util_ldap_set_opcache_entries, |
| NULL, RSRC_CONF, |
| "Set the maximum number of entries that are possible " |
| "in the LDAP compare cache. Use 0 for no limit. " |
| "Use -1 to disable the cache. (default: 1024)"), |
| |
| AP_INIT_TAKE1("LDAPOpCacheTTL", util_ldap_set_opcache_ttl, |
| NULL, RSRC_CONF, |
| "Set the maximum time (in seconds) that an item is cached " |
| "in the LDAP operation cache. Use 0 for no limit. " |
| "(default: 600)"), |
| |
| AP_INIT_TAKE23("LDAPTrustedGlobalCert", util_ldap_set_trusted_global_cert, |
| NULL, RSRC_CONF, |
| "Takes three args; the file and/or directory containing " |
| "the trusted CA certificates (and global client certs " |
| "for Netware) used to validate the LDAP server. Second " |
| "arg is the cert type for the first arg, one of CA_DER, " |
| "CA_BASE64, CA_CERT7_DB, CA_SECMOD, CERT_DER, CERT_BASE64, " |
| "CERT_KEY3_DB, CERT_NICKNAME, KEY_DER, or KEY_BASE64. " |
| "Third arg is an optional passphrase if applicable."), |
| |
| AP_INIT_TAKE23("LDAPTrustedClientCert", util_ldap_set_trusted_client_cert, |
| NULL, RSRC_CONF, |
| "Takes three args; the file and/or directory containing " |
| "the client certificate, or certificate ID used to " |
| "validate this LDAP client. Second arg is the cert type " |
| "for the first arg, one of CA_DER, CA_BASE64, CA_CERT7_DB, " |
| "CA_SECMOD, CERT_DER, CERT_BASE64, CERT_KEY3_DB, " |
| "CERT_NICKNAME, KEY_DER, or KEY_BASE64. Third arg is an " |
| "optional passphrase if applicable."), |
| |
| AP_INIT_TAKE1("LDAPTrustedMode", util_ldap_set_trusted_mode, |
| NULL, RSRC_CONF, |
| "Specify the type of security that should be applied to " |
| "an LDAP connection. One of; NONE, SSL or STARTTLS."), |
| |
| AP_INIT_FLAG("LDAPVerifyServerCert", util_ldap_set_verify_srv_cert, |
| NULL, RSRC_CONF, |
| "Set to 'ON' requires that the server certificate be verified " |
| "before a secure LDAP connection can be establish. Default 'ON'"), |
| |
| AP_INIT_TAKE1("LDAPConnectionTimeout", util_ldap_set_connection_timeout, |
| NULL, RSRC_CONF, |
| "Specify the LDAP socket connection timeout in seconds " |
| "(default: 10)"), |
| |
| {NULL} |
| }; |
| |
| static void util_ldap_register_hooks(apr_pool_t *p) |
| { |
| APR_REGISTER_OPTIONAL_FN(uldap_connection_open); |
| APR_REGISTER_OPTIONAL_FN(uldap_connection_close); |
| APR_REGISTER_OPTIONAL_FN(uldap_connection_unbind); |
| APR_REGISTER_OPTIONAL_FN(uldap_connection_cleanup); |
| APR_REGISTER_OPTIONAL_FN(uldap_connection_find); |
| APR_REGISTER_OPTIONAL_FN(uldap_cache_comparedn); |
| APR_REGISTER_OPTIONAL_FN(uldap_cache_compare); |
| APR_REGISTER_OPTIONAL_FN(uldap_cache_checkuserid); |
| APR_REGISTER_OPTIONAL_FN(uldap_cache_getuserdn); |
| APR_REGISTER_OPTIONAL_FN(uldap_ssl_supported); |
| |
| 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 AP_MODULE_DECLARE_DATA ldap_module = { |
| STANDARD20_MODULE_STUFF, |
| NULL, /* create dir config */ |
| NULL, /* merge dir config */ |
| util_ldap_create_config, /* create server config */ |
| util_ldap_merge_config, /* merge server config */ |
| util_ldap_cmds, /* command table */ |
| util_ldap_register_hooks, /* set up request processing hooks */ |
| }; |