1 /* log.c - deal with log subsystem */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2001-2005 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"
37 ldap_pvt_thread_mutex_t monitor_log_mutex;
44 { LDAP_DEBUG_TRACE, BER_BVC("Trace"), BER_BVNULL },
45 { LDAP_DEBUG_PACKETS, BER_BVC("Packets"), BER_BVNULL },
46 { LDAP_DEBUG_ARGS, BER_BVC("Args"), BER_BVNULL },
47 { LDAP_DEBUG_CONNS, BER_BVC("Conns"), BER_BVNULL },
48 { LDAP_DEBUG_BER, BER_BVC("BER"), BER_BVNULL },
49 { LDAP_DEBUG_FILTER, BER_BVC("Filter"), BER_BVNULL },
50 { LDAP_DEBUG_CONFIG, BER_BVC("Config"), BER_BVNULL }, /* useless */
51 { LDAP_DEBUG_ACL, BER_BVC("ACL"), BER_BVNULL },
52 { LDAP_DEBUG_STATS, BER_BVC("Stats"), BER_BVNULL },
53 { LDAP_DEBUG_STATS2, BER_BVC("Stats2"), BER_BVNULL },
54 { LDAP_DEBUG_SHELL, BER_BVC("Shell"), BER_BVNULL },
55 { LDAP_DEBUG_PARSE, BER_BVC("Parse"), BER_BVNULL },
56 { LDAP_DEBUG_CACHE, BER_BVC("Cache"), BER_BVNULL },
57 { LDAP_DEBUG_INDEX, BER_BVC("Index"), BER_BVNULL },
58 { 0, BER_BVNULL, BER_BVNULL }
61 static int loglevel2int( struct berval *l );
62 static int int2loglevel( int n );
64 static int add_values( Entry *e, Modification *mod, int *newlevel );
65 static int delete_values( Entry *e, Modification *mod, int *newlevel );
66 static int replace_values( Entry *e, Modification *mod, int *newlevel );
69 * initializes log subentry
72 monitor_subsys_log_init(
74 monitor_subsys_t *ms )
80 ldap_pvt_thread_mutex_init( &monitor_log_mutex );
82 mi = ( monitor_info_t * )be->be_private;
84 if ( monitor_cache_get( mi, &ms->mss_ndn,
86 Debug( LDAP_DEBUG_ANY,
87 "monitor_subsys_log_init: "
88 "unable to get entry \"%s\"\n",
89 ms->mss_ndn.bv_val, 0, 0 );
93 /* initialize the debug level(s) */
94 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
95 if ( mi->mi_ad_managedInfo->ad_type->sat_equality->smr_normalize ) {
98 rc = (*mi->mi_ad_managedInfo->ad_type->sat_equality->smr_normalize)(
99 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
100 mi->mi_ad_managedInfo->ad_type->sat_syntax,
101 mi->mi_ad_managedInfo->ad_type->sat_equality,
103 &int_2_level[ i ].n, NULL );
109 if ( int_2_level[ i ].i & ldap_syslog ) {
110 attr_merge_one( e, mi->mi_ad_managedInfo,
112 &int_2_level[ i ].n );
116 monitor_cache_release( mi, e );
122 monitor_subsys_log_modify(
127 monitor_info_t *mi = ( monitor_info_t * )op->o_bd->be_private;
129 int newlevel = ldap_syslog;
130 Attribute *save_attrs;
131 Modifications *modlist = op->oq_modify.rs_modlist;
134 ldap_pvt_thread_mutex_lock( &monitor_log_mutex );
136 save_attrs = e->e_attrs;
137 e->e_attrs = attrs_dup( e->e_attrs );
139 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
140 Modification *mod = &ml->sml_mod;
143 * accept all operational attributes;
144 * this includes modifersName and modifyTimestamp
147 if ( is_at_operational( mod->sm_desc->ad_type ) ) {
148 ( void ) attr_delete( &e->e_attrs, mod->sm_desc );
149 rc = rs->sr_err = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
150 if ( rc != LDAP_SUCCESS ) {
156 * only the "managedInfo" attribute can be modified
158 } else if ( mod->sm_desc != mi->mi_ad_managedInfo ) {
159 rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
163 switch ( mod->sm_op ) {
165 rc = add_values( e, mod, &newlevel );
168 case LDAP_MOD_DELETE:
169 rc = delete_values( e, mod, &newlevel );
172 case LDAP_MOD_REPLACE:
173 rc = replace_values( e, mod, &newlevel );
181 if ( rc != LDAP_SUCCESS ) {
187 /* set the new debug level */
188 if ( rc == LDAP_SUCCESS ) {
190 static char textbuf[ BACKMONITOR_BUFSIZE ];
192 /* check for abandon */
193 if ( op->o_abandon ) {
194 rc = rs->sr_err = SLAPD_ABANDON;
199 /* check that the entry still obeys the schema */
200 rc = entry_schema_check( op, e, save_attrs, 0,
201 &text, textbuf, sizeof( textbuf ) );
202 if ( rc != LDAP_SUCCESS ) {
208 * Do we need to protect this with a mutex?
210 ldap_syslog = newlevel;
212 #if 0 /* debug rather than log */
213 slap_debug = newlevel;
214 lutil_set_debug_level( "slapd", slap_debug );
215 ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
216 ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
217 ldif_debug = slap_debug;
222 if ( rc == LDAP_SUCCESS ) {
223 attrs_free( save_attrs );
226 attrs_free( e->e_attrs );
227 e->e_attrs = save_attrs;
230 ldap_pvt_thread_mutex_unlock( &monitor_log_mutex );
232 if ( rc == LDAP_SUCCESS ) {
233 rc = SLAP_CB_CONTINUE;
240 loglevel2int( struct berval *l )
244 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
245 if ( l->bv_len != int_2_level[ i ].s.bv_len ) {
249 if ( strcasecmp( l->bv_val, int_2_level[ i ].s.bv_val ) == 0 ) {
250 return int_2_level[ i ].i;
258 int2loglevel( int n )
262 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
263 if ( int_2_level[ i ].i == n ) {
272 check_constraints( Modification *mod, int *newlevel )
276 for ( i = 0; mod->sm_values && !BER_BVISNULL( &mod->sm_values[ i ] ); i++ ) {
279 l = loglevel2int( &mod->sm_values[ i ] );
281 return LDAP_CONSTRAINT_VIOLATION;
284 if ( ( l = int2loglevel( l ) ) == -1 ) {
288 assert( int_2_level[ l ].s.bv_len
289 == mod->sm_values[ i ].bv_len );
291 AC_MEMCPY( mod->sm_values[ i ].bv_val,
292 int_2_level[ l ].s.bv_val,
293 int_2_level[ l ].s.bv_len );
295 AC_MEMCPY( mod->sm_nvalues[ i ].bv_val,
296 int_2_level[ l ].n.bv_val,
297 int_2_level[ l ].n.bv_len );
306 add_values( Entry *e, Modification *mod, int *newlevel )
310 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
312 rc = check_constraints( mod, newlevel );
313 if ( rc != LDAP_SUCCESS ) {
317 a = attr_find( e->e_attrs, mod->sm_desc );
320 /* "managedInfo" SHOULD have appropriate rules ... */
321 if ( mr == NULL || !mr->smr_match ) {
322 return LDAP_INAPPROPRIATE_MATCHING;
325 for ( i = 0; !BER_BVISNULL( &mod->sm_values[ i ] ); i++ ) {
328 const char *text = NULL;
329 struct berval asserted;
331 rc = asserted_value_validate_normalize(
332 mod->sm_desc, mr, SLAP_MR_EQUALITY,
333 &mod->sm_values[ i ], &asserted, &text, NULL );
335 if ( rc != LDAP_SUCCESS ) {
339 for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ ) {
341 int rc = value_match( &match, mod->sm_desc, mr,
342 0, &a->a_vals[ j ], &asserted, &text );
344 if ( rc == LDAP_SUCCESS && match == 0 ) {
345 free( asserted.bv_val );
346 return LDAP_TYPE_OR_VALUE_EXISTS;
350 free( asserted.bv_val );
355 rc = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
356 if ( rc != LDAP_SUCCESS ) {
357 /* this should return result of attr_mergeit */
365 delete_values( Entry *e, Modification *mod, int *newlevel )
367 int i, j, k, found, rc, nl = 0;
369 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
371 rc = check_constraints( mod, &nl );
372 if ( rc != LDAP_SUCCESS ) {
378 /* delete the entire attribute */
379 if ( mod->sm_values == NULL ) {
380 int rc = attr_delete( &e->e_attrs, mod->sm_desc );
383 rc = LDAP_NO_SUCH_ATTRIBUTE;
391 if ( mr == NULL || !mr->smr_match ) {
392 /* disallow specific attributes from being deleted if
393 * no equality rule */
394 return LDAP_INAPPROPRIATE_MATCHING;
397 /* delete specific values - find the attribute first */
398 if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
399 return( LDAP_NO_SUCH_ATTRIBUTE );
402 /* find each value to delete */
403 for ( i = 0; !BER_BVISNULL( &mod->sm_values[ i ] ); i++ ) {
405 const char *text = NULL;
407 struct berval asserted;
409 rc = asserted_value_validate_normalize(
410 mod->sm_desc, mr, SLAP_MR_EQUALITY,
411 &mod->sm_values[ i ], &asserted, &text, NULL );
413 if( rc != LDAP_SUCCESS ) return rc;
416 for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ ) {
418 int rc = value_match( &match, mod->sm_desc, mr,
420 &a->a_vals[ j ], &asserted, &text );
422 if( rc == LDAP_SUCCESS && match != 0 ) {
426 /* found a matching value */
430 free( a->a_vals[ j ].bv_val );
431 for ( k = j + 1; !BER_BVISNULL( &a->a_vals[ k ] ); k++ ) {
432 a->a_vals[ k - 1 ] = a->a_vals[ k ];
434 BER_BVZERO( &a->a_vals[ k - 1 ] );
439 free( asserted.bv_val );
441 /* looked through them all w/o finding it */
443 return LDAP_NO_SUCH_ATTRIBUTE;
447 /* if no values remain, delete the entire attribute */
448 if ( BER_BVISNULL( &a->a_vals[ 0 ] ) ) {
449 /* should already be zero */
452 if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
453 return LDAP_NO_SUCH_ATTRIBUTE;
461 replace_values( Entry *e, Modification *mod, int *newlevel )
466 rc = check_constraints( mod, newlevel );
467 if ( rc != LDAP_SUCCESS ) {
471 rc = attr_delete( &e->e_attrs, mod->sm_desc );
473 if ( rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_ATTRIBUTE ) {
477 if ( mod->sm_values != NULL ) {
478 rc = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
479 if ( rc != LDAP_SUCCESS ) {