1 /* log.c - deal with log subsystem */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2001-2013 The OpenLDAP Foundation.
6 * Portions Copyright 2001-2003 Pierangelo Masarati.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
13 * A copy of this license is available in file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
18 * This work was initially developed by Pierangelo Masarati for inclusion
19 * in OpenLDAP Software.
26 #include <ac/string.h>
32 #include "back-monitor.h"
35 monitor_subsys_log_open(
37 monitor_subsys_t *ms );
40 monitor_subsys_log_modify(
48 ldap_pvt_thread_mutex_t monitor_log_mutex;
50 static int add_values( Operation *op, Entry *e, Modification *mod, int *newlevel );
51 static int delete_values( Operation *op, Entry *e, Modification *mod, int *newlevel );
52 static int replace_values( Operation *op, Entry *e, Modification *mod, int *newlevel );
55 * initializes log subentry
58 monitor_subsys_log_init(
60 monitor_subsys_t *ms )
62 ms->mss_open = monitor_subsys_log_open;
63 ms->mss_modify = monitor_subsys_log_modify;
65 ldap_pvt_thread_mutex_init( &monitor_log_mutex );
74 monitor_subsys_log_open(
76 monitor_subsys_t *ms )
80 if ( loglevel2bvarray( ldap_syslog, &bva ) == 0 && bva != NULL ) {
84 mi = ( monitor_info_t * )be->be_private;
86 if ( monitor_cache_get( mi, &ms->mss_ndn, &e ) ) {
87 Debug( LDAP_DEBUG_ANY,
88 "monitor_subsys_log_init: "
89 "unable to get entry \"%s\"\n",
90 ms->mss_ndn.bv_val, 0, 0 );
91 ber_bvarray_free( bva );
95 attr_merge_normalize( e, mi->mi_ad_managedInfo, bva, NULL );
96 ber_bvarray_free( bva );
98 monitor_cache_release( mi, e );
105 monitor_subsys_log_modify(
110 monitor_info_t *mi = ( monitor_info_t * )op->o_bd->be_private;
112 int newlevel = ldap_syslog;
113 Attribute *save_attrs;
114 Modifications *modlist = op->orm_modlist;
117 ldap_pvt_thread_mutex_lock( &monitor_log_mutex );
119 save_attrs = e->e_attrs;
120 e->e_attrs = attrs_dup( e->e_attrs );
122 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
123 Modification *mod = &ml->sml_mod;
126 * accept all operational attributes;
127 * this includes modifersName and modifyTimestamp
130 if ( is_at_operational( mod->sm_desc->ad_type ) ) {
131 ( void ) attr_delete( &e->e_attrs, mod->sm_desc );
132 rc = rs->sr_err = attr_merge( e, mod->sm_desc,
133 mod->sm_values, mod->sm_nvalues );
134 if ( rc != LDAP_SUCCESS ) {
140 * only the "managedInfo" attribute can be modified
142 } else if ( mod->sm_desc != mi->mi_ad_managedInfo ) {
143 rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
147 switch ( mod->sm_op ) {
149 rc = add_values( op, e, mod, &newlevel );
152 case LDAP_MOD_DELETE:
153 rc = delete_values( op, e, mod, &newlevel );
156 case LDAP_MOD_REPLACE:
157 rc = replace_values( op, e, mod, &newlevel );
165 if ( rc != LDAP_SUCCESS ) {
171 /* set the new debug level */
172 if ( rc == LDAP_SUCCESS ) {
174 static char textbuf[ BACKMONITOR_BUFSIZE ];
176 /* check for abandon */
177 if ( op->o_abandon ) {
178 rc = rs->sr_err = SLAPD_ABANDON;
183 /* check that the entry still obeys the schema */
184 rc = entry_schema_check( op, e, save_attrs, 0, 0, NULL,
185 &text, textbuf, sizeof( textbuf ) );
186 if ( rc != LDAP_SUCCESS ) {
192 * Do we need to protect this with a mutex?
194 ldap_syslog = newlevel;
196 #if 0 /* debug rather than log */
197 slap_debug = newlevel;
198 lutil_set_debug_level( "slapd", slap_debug );
199 ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
200 ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
201 ldif_debug = slap_debug;
206 if ( rc == LDAP_SUCCESS ) {
207 attrs_free( save_attrs );
210 attrs_free( e->e_attrs );
211 e->e_attrs = save_attrs;
214 ldap_pvt_thread_mutex_unlock( &monitor_log_mutex );
216 if ( rc == LDAP_SUCCESS ) {
217 rc = SLAP_CB_CONTINUE;
224 check_constraints( Modification *mod, int *newlevel )
228 if ( mod->sm_nvalues != NULL ) {
229 ber_bvarray_free( mod->sm_nvalues );
230 mod->sm_nvalues = NULL;
233 for ( i = 0; !BER_BVISNULL( &mod->sm_values[ i ] ); i++ ) {
237 if ( str2loglevel( mod->sm_values[ i ].bv_val, &l ) ) {
238 return LDAP_CONSTRAINT_VIOLATION;
241 if ( loglevel2bv( l, &bv ) ) {
242 return LDAP_CONSTRAINT_VIOLATION;
245 assert( bv.bv_len == mod->sm_values[ i ].bv_len );
247 AC_MEMCPY( mod->sm_values[ i ].bv_val,
248 bv.bv_val, bv.bv_len );
257 add_values( Operation *op, Entry *e, Modification *mod, int *newlevel )
261 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
263 assert( mod->sm_values != NULL );
265 rc = check_constraints( mod, newlevel );
266 if ( rc != LDAP_SUCCESS ) {
270 a = attr_find( e->e_attrs, mod->sm_desc );
273 /* "managedInfo" SHOULD have appropriate rules ... */
274 if ( mr == NULL || !mr->smr_match ) {
275 return LDAP_INAPPROPRIATE_MATCHING;
278 for ( i = 0; !BER_BVISNULL( &mod->sm_values[ i ] ); i++ ) {
281 const char *text = NULL;
282 struct berval asserted;
284 rc = asserted_value_validate_normalize(
285 mod->sm_desc, mr, SLAP_MR_EQUALITY,
286 &mod->sm_values[ i ], &asserted, &text,
289 if ( rc != LDAP_SUCCESS ) {
293 for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ ) {
295 int rc = value_match( &match, mod->sm_desc, mr,
296 0, &a->a_nvals[ j ], &asserted, &text );
298 if ( rc == LDAP_SUCCESS && match == 0 ) {
299 free( asserted.bv_val );
300 return LDAP_TYPE_OR_VALUE_EXISTS;
304 free( asserted.bv_val );
309 rc = attr_merge_normalize( e, mod->sm_desc, mod->sm_values,
311 if ( rc != LDAP_SUCCESS ) {
319 delete_values( Operation *op, Entry *e, Modification *mod, int *newlevel )
321 int i, j, k, found, rc, nl = 0;
323 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
325 /* delete the entire attribute */
326 if ( mod->sm_values == NULL ) {
327 int rc = attr_delete( &e->e_attrs, mod->sm_desc );
330 rc = LDAP_NO_SUCH_ATTRIBUTE;
339 rc = check_constraints( mod, &nl );
340 if ( rc != LDAP_SUCCESS ) {
346 if ( mr == NULL || !mr->smr_match ) {
347 /* disallow specific attributes from being deleted if
348 * no equality rule */
349 return LDAP_INAPPROPRIATE_MATCHING;
352 /* delete specific values - find the attribute first */
353 if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
354 return( LDAP_NO_SUCH_ATTRIBUTE );
357 /* find each value to delete */
358 for ( i = 0; !BER_BVISNULL( &mod->sm_values[ i ] ); i++ ) {
360 const char *text = NULL;
362 struct berval asserted;
364 rc = asserted_value_validate_normalize(
365 mod->sm_desc, mr, SLAP_MR_EQUALITY,
366 &mod->sm_values[ i ], &asserted, &text,
369 if( rc != LDAP_SUCCESS ) return rc;
372 for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ ) {
374 int rc = value_match( &match, mod->sm_desc, mr,
375 0, &a->a_nvals[ j ], &asserted, &text );
377 if( rc == LDAP_SUCCESS && match != 0 ) {
381 /* found a matching value */
385 if ( a->a_nvals != a->a_vals ) {
386 free( a->a_nvals[ j ].bv_val );
387 for ( k = j + 1; !BER_BVISNULL( &a->a_nvals[ k ] ); k++ ) {
388 a->a_nvals[ k - 1 ] = a->a_nvals[ k ];
390 BER_BVZERO( &a->a_nvals[ k - 1 ] );
393 free( a->a_vals[ j ].bv_val );
394 for ( k = j + 1; !BER_BVISNULL( &a->a_vals[ k ] ); k++ ) {
395 a->a_vals[ k - 1 ] = a->a_vals[ k ];
397 BER_BVZERO( &a->a_vals[ k - 1 ] );
403 free( asserted.bv_val );
405 /* looked through them all w/o finding it */
407 return LDAP_NO_SUCH_ATTRIBUTE;
411 /* if no values remain, delete the entire attribute */
412 if ( BER_BVISNULL( &a->a_vals[ 0 ] ) ) {
413 assert( a->a_numvals == 0 );
415 /* should already be zero */
418 if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
419 return LDAP_NO_SUCH_ATTRIBUTE;
427 replace_values( Operation *op, Entry *e, Modification *mod, int *newlevel )
431 if ( mod->sm_values != NULL ) {
433 rc = check_constraints( mod, newlevel );
434 if ( rc != LDAP_SUCCESS ) {
439 rc = attr_delete( &e->e_attrs, mod->sm_desc );
441 if ( rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_ATTRIBUTE ) {
445 if ( mod->sm_values != NULL ) {
446 rc = attr_merge_normalize( e, mod->sm_desc, mod->sm_values,
448 if ( rc != LDAP_SUCCESS ) {