1 #pragma ident "%Z%%M% %I% %E% SMI" 2 3 /* 4 * The contents of this file are subject to the Netscape Public 5 * License Version 1.1 (the "License"); you may not use this file 6 * except in compliance with the License. You may obtain a copy of 7 * the License at http://www.mozilla.org/NPL/ 8 * 9 * Software distributed under the License is distributed on an "AS 10 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or 11 * implied. See the License for the specific language governing 12 * rights and limitations under the License. 13 * 14 * The Original Code is Mozilla Communicator client code, released 15 * March 31, 1998. 16 * 17 * The Initial Developer of the Original Code is Netscape 18 * Communications Corporation. Portions created by Netscape are 19 * Copyright (C) 1998-1999 Netscape Communications Corporation. All 20 * Rights Reserved. 21 * 22 * Contributor(s): 23 */ 24 /* 25 * Copyright (c) 1993 The Regents of the University of Michigan. 26 * All rights reserved. 27 */ 28 /* 29 * cache.c - generic caching support for LDAP 30 */ 31 32 #include "ldap-int.h" 33 34 /* 35 * ldap_cache_flush - flush part of the LDAP cache. returns an 36 * ldap error code (LDAP_SUCCESS, LDAP_NO_SUCH_OBJECT, etc.). 37 */ 38 39 int 40 LDAP_CALL 41 ldap_cache_flush( LDAP *ld, const char *dn, const char *filter ) 42 { 43 if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) { 44 return( LDAP_PARAM_ERROR ); 45 } 46 47 if ( dn == NULL ) { 48 dn = ""; 49 } 50 51 return( (ld->ld_cache_flush)( ld, dn, filter ) ); 52 } 53 54 /* 55 * nsldapi_add_result_to_cache - add an ldap entry we just read off the network 56 * to the ldap cache. this routine parses the ber for the entry and 57 * constructs the appropriate add request. this routine calls the 58 * cache add routine to actually add the entry. 59 */ 60 61 void 62 nsldapi_add_result_to_cache( LDAP *ld, LDAPMessage *m ) 63 { 64 char *dn; 65 LDAPMod **mods; 66 int i, max, rc; 67 char *a; 68 BerElement *ber; 69 char buf[50]; 70 struct berval bv; 71 struct berval *bvp[2]; 72 73 LDAPDebug( LDAP_DEBUG_TRACE, "=> nsldapi_add_result_to_cache id %d type %d\n", 74 m->lm_msgid, m->lm_msgtype, 0 ); 75 if ( m->lm_msgtype != LDAP_RES_SEARCH_ENTRY || 76 ld->ld_cache_add == NULL ) { 77 LDAPDebug( LDAP_DEBUG_TRACE, 78 "<= nsldapi_add_result_to_cache not added\n", 0, 0, 0 ); 79 return; 80 } 81 82 #define GRABSIZE 5 83 84 dn = ldap_get_dn( ld, m ); 85 mods = (LDAPMod **)NSLDAPI_MALLOC( GRABSIZE * sizeof(LDAPMod *) ); 86 if (mods == NULL) { 87 LDAPDebug( LDAP_DEBUG_TRACE, 88 "<= nsldapi_add_result_to_cache malloc failed\n", 0, 0, 0 ); 89 return; 90 } 91 max = GRABSIZE; 92 for ( i = 0, a = ldap_first_attribute( ld, m, &ber ); a != NULL; 93 a = ldap_next_attribute( ld, m, ber ), i++ ) { 94 if ( i == (max - 1) ) { 95 max += GRABSIZE; 96 mods = (LDAPMod **)NSLDAPI_REALLOC( mods, 97 sizeof(LDAPMod *) * max ); 98 if (mods == NULL) { 99 LDAPDebug( LDAP_DEBUG_TRACE, 100 "<= nsldapi_add_result_to_cache realloc failed\n", 101 0, 0, 0 ); 102 return; 103 } 104 } 105 106 mods[i] = (LDAPMod *)NSLDAPI_CALLOC( 1, sizeof(LDAPMod) ); 107 if (mods[i] == NULL) { 108 LDAPDebug( LDAP_DEBUG_TRACE, 109 "<= nsldapi_add_result_to_cache calloc failed\n", 110 0, 0, 0 ); 111 ldap_mods_free( mods, 1 ); 112 return; 113 } 114 mods[i]->mod_op = LDAP_MOD_BVALUES; 115 mods[i]->mod_type = a; 116 mods[i]->mod_bvalues = ldap_get_values_len( ld, m, a ); 117 } 118 if ( ber != NULL ) { 119 ber_free( ber, 0 ); 120 } 121 if (( rc = LDAP_GET_LDERRNO( ld, NULL, NULL )) != LDAP_SUCCESS ) { 122 LDAPDebug( LDAP_DEBUG_TRACE, 123 "<= nsldapi_add_result_to_cache error: failed to construct mod list (%s)\n", 124 ldap_err2string( rc ), 0, 0 ); 125 ldap_mods_free( mods, 1 ); 126 return; 127 } 128 129 /* update special cachedtime attribute */ 130 if ( i == (max - 1) ) { 131 max++; 132 mods = (LDAPMod **)NSLDAPI_REALLOC( mods, 133 sizeof(LDAPMod *) * max ); 134 if (mods == NULL) { 135 LDAPDebug( LDAP_DEBUG_TRACE, 136 "<= nsldapi_add_result_to_cache calloc failed\n", 137 0, 0, 0 ); 138 ldap_mods_free( mods, 1 ); 139 return; 140 } 141 } 142 mods[i] = (LDAPMod *)NSLDAPI_CALLOC( 1, sizeof(LDAPMod) ); 143 if (mods[i] == NULL) { 144 LDAPDebug( LDAP_DEBUG_TRACE, 145 "<= nsldapi_add_result_to_cache calloc failed\n", 146 0, 0, 0 ); 147 ldap_mods_free( mods, 1 ); 148 return; 149 } 150 mods[i]->mod_op = LDAP_MOD_BVALUES; 151 mods[i]->mod_type = "cachedtime"; 152 sprintf( buf, "%d", time( NULL ) ); 153 bv.bv_val = buf; 154 bv.bv_len = strlen( buf ); 155 bvp[0] = &bv; 156 bvp[1] = NULL; 157 mods[i]->mod_bvalues = bvp; 158 mods[++i] = NULL; 159 160 /* msgid of -1 means don't send the result */ 161 rc = (ld->ld_cache_add)( ld, -1, m->lm_msgtype, dn, mods ); 162 LDAPDebug( LDAP_DEBUG_TRACE, 163 "<= nsldapi_add_result_to_cache added (rc %d)\n", rc, 0, 0 ); 164 } 165