2 * Copyright (c) 1995 Regents of the University of Michigan.
5 * Redistribution and use in source and binary forms are permitted
6 * provided that this notice is preserved and that due credit is given
7 * to the University of Michigan at Ann Arbor. The name of the University
8 * may not be used to endorse or promote products derived from this
9 * software without specific prior written permission. This software
10 * is provided ``as is'' without express or implied warranty.
17 #include <ac/socket.h>
18 #include <ac/string.h>
23 static void modlist_free(LDAPModList *ml);
24 static void add_lastmods(Operation *op, LDAPModList **ml);
35 unsigned long tag, len;
36 LDAPModList *modlist, *tmp;
37 LDAPModList **modtail;
40 Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
43 * Parse the modify request. It looks like this:
45 * ModifyRequest := [APPLICATION 6] SEQUENCE {
46 * name DistinguishedName,
47 * mods SEQUENCE OF SEQUENCE {
48 * operation ENUMERATED {
53 * modification SEQUENCE {
55 * values SET OF AttributeValue
61 if ( ber_scanf( op->o_ber, "{a" /*}*/, &ndn ) == LBER_ERROR ) {
62 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
63 send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL, "" );
67 Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", ndn, 0, 0 );
69 (void) dn_normalize_case( ndn );
71 /* collect modifications & save for later */
75 for ( tag = ber_first_element( op->o_ber, &len, &last );
77 tag = ber_next_element( op->o_ber, &len, last ) )
79 (*modtail) = (LDAPModList *) ch_calloc( 1, sizeof(LDAPModList) );
81 if ( ber_scanf( op->o_ber, "{i{a[V]}}", &(*modtail)->ml_op,
82 &(*modtail)->ml_type, &(*modtail)->ml_bvalues )
85 send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL,
90 modlist_free( modlist );
94 if ( (*modtail)->ml_op != LDAP_MOD_ADD &&
95 (*modtail)->ml_op != LDAP_MOD_DELETE &&
96 (*modtail)->ml_op != LDAP_MOD_REPLACE )
98 send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL,
99 "unrecognized modify operation" );
101 modlist_free( modlist );
105 if ( (*modtail)->ml_bvalues == NULL
106 && (*modtail)->ml_op != LDAP_MOD_DELETE )
108 send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL,
111 modlist_free( modlist );
114 attr_normalize( (*modtail)->ml_type );
116 modtail = &(*modtail)->ml_next;
121 Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
122 for ( tmp = modlist; tmp != NULL; tmp = tmp->ml_next ) {
123 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n",
124 tmp->ml_op == LDAP_MOD_ADD
125 ? "add" : (tmp->ml_op == LDAP_MOD_DELETE
126 ? "delete" : "replace"), tmp->ml_type, 0 );
130 Statslog( LDAP_DEBUG_STATS, "conn=%d op=%d MOD dn=\"%s\"\n",
131 conn->c_connid, op->o_opid, ndn, 0, 0 );
134 * We could be serving multiple database backends. Select the
135 * appropriate one, or send a referral to our "referral server"
136 * if we don't hold it.
138 if ( (be = select_backend( ndn )) == NULL ) {
140 modlist_free( modlist );
141 send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
146 /* alias suffix if approp */
147 ndn = suffixAlias ( ndn, op, be );
150 * do the modify if 1 && (2 || 3)
151 * 1) there is a modify function implemented in this backend;
152 * 2) this backend is master for what it holds;
153 * 3) it's a replica and the dn supplied is the update_ndn.
155 if ( be->be_modify ) {
156 /* do the update here */
157 if ( be->be_update_ndn == NULL ||
158 strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
160 if ( (be->be_lastmod == ON || ( be->be_lastmod == UNDEFINED &&
161 global_lastmod == ON ) ) && be->be_update_ndn == NULL ) {
162 add_lastmods( op, &modlist );
164 if ( (*be->be_modify)( be, conn, op, ndn, modlist ) == 0 ) {
165 replog( be, LDAP_REQ_MODIFY, ndn, modlist, 0 );
168 /* send a referral */
170 send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
174 send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
175 "Function not implemented" );
179 modlist_free( modlist );
189 for ( ; ml != NULL; ml = next ) {
193 if ( ml->ml_bvalues != NULL )
194 ber_bvecfree( ml->ml_bvalues );
201 add_lastmods( Operation *op, LDAPModList **modlist )
205 struct berval *bvals[2];
211 Debug( LDAP_DEBUG_TRACE, "add_lastmods\n", 0, 0, 0 );
216 /* remove any attempts by the user to modify these attrs */
217 for ( m = modlist; *m != NULL; m = &(*m)->ml_next ) {
218 if ( strcasecmp( (*m)->ml_type, "modifytimestamp" ) == 0 ||
219 strcasecmp( (*m)->ml_type, "modifiersname" ) == 0 ||
220 strcasecmp( (*m)->ml_type, "createtimestamp" ) == 0 ||
221 strcasecmp( (*m)->ml_type, "creatorsname" ) == 0 ) {
223 Debug( LDAP_DEBUG_TRACE,
224 "add_lastmods: found lastmod attr: %s\n",
225 (*m)->ml_type, 0, 0 );
228 free( tmp->ml_type );
229 if ( tmp->ml_bvalues != NULL ) {
230 ber_bvecfree( tmp->ml_bvalues );
238 if ( op->o_dn == NULL || op->o_dn[0] == '\0' ) {
239 bv.bv_val = "NULLDN";
240 bv.bv_len = strlen( bv.bv_val );
242 bv.bv_val = op->o_dn;
243 bv.bv_len = strlen( bv.bv_val );
245 tmp = (LDAPModList *) ch_calloc( 1, sizeof(LDAPModList) );
246 tmp->ml_type = ch_strdup( "modifiersname" );
247 tmp->ml_op = LDAP_MOD_REPLACE;
248 tmp->ml_bvalues = (struct berval **) ch_calloc(2, sizeof(struct berval *));
249 tmp->ml_bvalues[0] = ber_bvdup( &bv );
250 tmp->ml_next = *modlist;
253 currenttime = slap_get_time();
254 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
255 #ifndef LDAP_LOCALTIME
256 ltm = gmtime( ¤ttime );
257 strftime( buf, sizeof(buf), "%Y%m%d%H%M%SZ", ltm );
259 ltm = localtime( ¤ttime );
260 strftime( buf, sizeof(buf), "%y%m%d%H%M%SZ", ltm );
262 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
265 bv.bv_len = strlen( bv.bv_val );
266 tmp = (LDAPModList *) ch_calloc( 1, sizeof(LDAPModList) );
267 tmp->ml_type = ch_strdup( "modifytimestamp" );
268 tmp->ml_op = LDAP_MOD_REPLACE;
269 tmp->ml_bvalues = (struct berval **) ch_calloc(2, sizeof(struct berval *));
270 tmp->ml_bvalues[0] = ber_bvdup( &bv );
271 tmp->ml_next = *modlist;