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(LDAPMod *mods);
24 static void add_lastmods(Operation *op, LDAPMod **mods);
35 unsigned long tag, len;
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", &dn ) == LBER_ERROR ) {
62 Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
63 send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL, "" );
69 Debug( LDAP_DEBUG_ARGS, "do_modify: dn (%s)\n", dn, 0, 0 );
71 /* collect modifications & save for later */
74 for ( tag = ber_first_element( op->o_ber, &len, &last );
76 tag = ber_next_element( op->o_ber, &len, last ) )
78 (*modtail) = (LDAPMod *) ch_calloc( 1, sizeof(LDAPMod) );
80 if ( ber_scanf( op->o_ber, "{i{a[V]}}", &(*modtail)->mod_op,
81 &(*modtail)->mod_type, &(*modtail)->mod_bvalues )
84 send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL,
93 if ( (*modtail)->mod_op != LDAP_MOD_ADD &&
94 (*modtail)->mod_op != LDAP_MOD_DELETE &&
95 (*modtail)->mod_op != LDAP_MOD_REPLACE )
97 send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL,
98 "unrecognized modify operation" );
101 modlist_free( mods );
105 if ( (*modtail)->mod_bvalues == NULL && (*modtail)->mod_op
106 != LDAP_MOD_DELETE ) {
107 send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL,
111 modlist_free( mods );
114 attr_normalize( (*modtail)->mod_type );
116 modtail = &(*modtail)->mod_next;
121 Debug( LDAP_DEBUG_ARGS, "modifications:\n", 0, 0, 0 );
122 for ( tmp = mods; tmp != NULL; tmp = tmp->mod_next ) {
123 Debug( LDAP_DEBUG_ARGS, "\t%s: %s\n", tmp->mod_op
124 == LDAP_MOD_ADD ? "add" : (tmp->mod_op == LDAP_MOD_DELETE ?
125 "delete" : "replace"), tmp->mod_type, 0 );
129 Statslog( LDAP_DEBUG_STATS, "conn=%d op=%d MOD dn=\"%s\"\n",
130 conn->c_connid, op->o_opid, dn, 0, 0 );
133 * We could be serving multiple database backends. Select the
134 * appropriate one, or send a referral to our "referral server"
135 * if we don't hold it.
137 if ( (be = select_backend( dn )) == NULL ) {
140 modlist_free( mods );
141 send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
146 /* alias suffix if approp */
147 dn = suffixAlias ( dn, 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 updatedn.
155 if ( be->be_modify != NULL ) {
156 /* do the update here */
157 if ( be->be_updatedn == NULL ||
158 strcasecmp( be->be_updatedn, op->o_dn ) == 0 ) {
160 if ( (be->be_lastmod == ON || ( be->be_lastmod == UNDEFINED &&
161 global_lastmod == ON ) ) && be->be_updatedn == NULL ) {
162 add_lastmods( op, &mods );
164 if ( (*be->be_modify)( be, conn, op, odn, mods ) == 0 ) {
165 replog( be, LDAP_REQ_MODIFY, dn, mods, 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" );
180 modlist_free( mods );
190 for ( ; mods != NULL; mods = next ) {
191 next = mods->mod_next;
192 free( mods->mod_type );
193 if ( mods->mod_bvalues != NULL )
194 ber_bvecfree( mods->mod_bvalues );
200 add_lastmods( Operation *op, LDAPMod **mods )
204 struct berval *bvals[2];
209 Debug( LDAP_DEBUG_TRACE, "add_lastmods\n", 0, 0, 0 );
214 /* remove any attempts by the user to modify these attrs */
215 for ( m = mods; *m != NULL; m = &(*m)->mod_next ) {
216 if ( strcasecmp( (*m)->mod_type, "modifytimestamp" ) == 0 ||
217 strcasecmp( (*m)->mod_type, "modifiersname" ) == 0 ||
218 strcasecmp( (*m)->mod_type, "createtimestamp" ) == 0 ||
219 strcasecmp( (*m)->mod_type, "creatorsname" ) == 0 ) {
221 Debug( LDAP_DEBUG_TRACE,
222 "add_lastmods: found lastmod attr: %s\n",
223 (*m)->mod_type, 0, 0 );
226 free( tmp->mod_type );
227 if ( tmp->mod_bvalues != NULL ) {
228 ber_bvecfree( tmp->mod_bvalues );
236 if ( op->o_dn == NULL || op->o_dn[0] == '\0' ) {
237 bv.bv_val = "NULLDN";
238 bv.bv_len = strlen( bv.bv_val );
240 bv.bv_val = op->o_dn;
241 bv.bv_len = strlen( bv.bv_val );
243 tmp = (LDAPMod *) ch_calloc( 1, sizeof(LDAPMod) );
244 tmp->mod_type = strdup( "modifiersname" );
245 tmp->mod_op = LDAP_MOD_REPLACE;
246 tmp->mod_bvalues = (struct berval **) ch_calloc( 1,
247 2 * sizeof(struct berval *) );
248 tmp->mod_bvalues[0] = ber_bvdup( &bv );
249 tmp->mod_next = *mods;
252 pthread_mutex_lock( ¤ttime_mutex );
253 #ifndef LDAP_LOCALTIME
254 ltm = gmtime( ¤ttime );
255 strftime( buf, sizeof(buf), "%Y%m%d%H%M%SZ", ltm );
257 ltm = localtime( ¤ttime );
258 strftime( buf, sizeof(buf), "%y%m%d%H%M%SZ", ltm );
260 pthread_mutex_unlock( ¤ttime_mutex );
262 bv.bv_len = strlen( bv.bv_val );
263 tmp = (LDAPMod *) ch_calloc( 1, sizeof(LDAPMod) );
264 tmp->mod_type = strdup( "modifytimestamp" );
265 tmp->mod_op = LDAP_MOD_REPLACE;
266 tmp->mod_bvalues = (struct berval **) ch_calloc( 1, 2 * sizeof(struct berval *) );
267 tmp->mod_bvalues[0] = ber_bvdup( &bv );
268 tmp->mod_next = *mods;