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 )
79 struct berval desc[] = {
80 BER_BVC("This entry allows to set the log level runtime."),
81 BER_BVC("Set the attribute 'managedInfo' to the desired log levels."),
85 ldap_pvt_thread_mutex_init( &monitor_log_mutex );
87 mi = ( monitor_info_t * )be->be_private;
89 if ( monitor_cache_get( mi, &ms->mss_ndn,
91 Debug( LDAP_DEBUG_ANY,
92 "monitor_subsys_log_init: "
93 "unable to get entry \"%s\"\n",
94 ms->mss_ndn.bv_val, 0, 0 );
98 /* initialize the debug level(s) */
99 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
100 if ( mi->mi_ad_managedInfo->ad_type->sat_equality->smr_normalize ) {
103 rc = (*mi->mi_ad_managedInfo->ad_type->sat_equality->smr_normalize)(
104 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
105 mi->mi_ad_managedInfo->ad_type->sat_syntax,
106 mi->mi_ad_managedInfo->ad_type->sat_equality,
108 &int_2_level[ i ].n, NULL );
114 if ( int_2_level[ i ].i & ldap_syslog ) {
115 attr_merge_one( e, mi->mi_ad_managedInfo,
117 &int_2_level[ i ].n );
121 attr_merge_normalize( e, mi->mi_ad_description, desc, NULL );
123 monitor_cache_release( mi, e );
129 monitor_subsys_log_modify(
134 monitor_info_t *mi = ( monitor_info_t * )op->o_bd->be_private;
136 int newlevel = ldap_syslog;
137 Attribute *save_attrs;
138 Modifications *modlist = op->oq_modify.rs_modlist;
141 ldap_pvt_thread_mutex_lock( &monitor_log_mutex );
143 save_attrs = e->e_attrs;
144 e->e_attrs = attrs_dup( e->e_attrs );
146 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
147 Modification *mod = &ml->sml_mod;
150 * accept all operational attributes;
151 * this includes modifersName and modifyTimestamp
154 if ( is_at_operational( mod->sm_desc->ad_type ) ) {
155 ( void ) attr_delete( &e->e_attrs, mod->sm_desc );
156 rc = rs->sr_err = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
157 if ( rc != LDAP_SUCCESS ) {
163 * only the monitor description attribute can be modified
165 } else if ( mod->sm_desc != mi->mi_ad_managedInfo ) {
166 rc = rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
170 switch ( mod->sm_op ) {
172 rc = add_values( e, mod, &newlevel );
175 case LDAP_MOD_DELETE:
176 rc = delete_values( e, mod, &newlevel );
179 case LDAP_MOD_REPLACE:
180 rc = replace_values( e, mod, &newlevel );
188 if ( rc != LDAP_SUCCESS ) {
194 /* set the new debug level */
195 if ( rc == LDAP_SUCCESS ) {
197 static char textbuf[ BACKMONITOR_BUFSIZE ];
199 /* check for abandon */
200 if ( op->o_abandon ) {
201 rc = rs->sr_err = SLAPD_ABANDON;
206 /* check that the entry still obeys the schema */
207 rc = entry_schema_check( be_monitor, e, save_attrs,
208 &text, textbuf, sizeof( textbuf ) );
209 if ( rc != LDAP_SUCCESS ) {
215 * Do we need to protect this with a mutex?
217 ldap_syslog = newlevel;
219 #if 0 /* debug rather than log */
220 slap_debug = newlevel;
221 lutil_set_debug_level( "slapd", slap_debug );
222 ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
223 ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
224 ldif_debug = slap_debug;
229 if ( rc == LDAP_SUCCESS ) {
230 attrs_free( save_attrs );
233 attrs_free( e->e_attrs );
234 e->e_attrs = save_attrs;
237 ldap_pvt_thread_mutex_unlock( &monitor_log_mutex );
239 if ( rc == LDAP_SUCCESS ) {
240 rc = SLAP_CB_CONTINUE;
247 loglevel2int( struct berval *l )
251 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
252 if ( l->bv_len != int_2_level[ i ].s.bv_len ) {
256 if ( strcasecmp( l->bv_val, int_2_level[ i ].s.bv_val ) == 0 ) {
257 return int_2_level[ i ].i;
265 int2loglevel( int n )
269 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
270 if ( int_2_level[ i ].i == n ) {
279 check_constraints( Modification *mod, int *newlevel )
283 for ( i = 0; mod->sm_values && !BER_BVISNULL( &mod->sm_values[ i ] ); i++ ) {
286 l = loglevel2int( &mod->sm_values[ i ] );
288 return LDAP_CONSTRAINT_VIOLATION;
291 if ( ( l = int2loglevel( l ) ) == -1 ) {
295 assert( int_2_level[ l ].s.bv_len
296 == mod->sm_values[ i ].bv_len );
298 AC_MEMCPY( mod->sm_values[ i ].bv_val,
299 int_2_level[ l ].s.bv_val,
300 int_2_level[ l ].s.bv_len );
302 AC_MEMCPY( mod->sm_nvalues[ i ].bv_val,
303 int_2_level[ l ].n.bv_val,
304 int_2_level[ l ].n.bv_len );
313 add_values( Entry *e, Modification *mod, int *newlevel )
317 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
319 rc = check_constraints( mod, newlevel );
320 if ( rc != LDAP_SUCCESS ) {
324 a = attr_find( e->e_attrs, mod->sm_desc );
327 /* "description" SHOULD have appropriate rules ... */
328 if ( mr == NULL || !mr->smr_match ) {
329 return LDAP_INAPPROPRIATE_MATCHING;
332 for ( i = 0; !BER_BVISNULL( &mod->sm_values[ i ] ); i++ ) {
335 const char *text = NULL;
336 struct berval asserted;
338 rc = asserted_value_validate_normalize(
339 mod->sm_desc, mr, SLAP_MR_EQUALITY,
340 &mod->sm_values[ i ], &asserted, &text, NULL );
342 if ( rc != LDAP_SUCCESS ) {
346 for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ ) {
348 int rc = value_match( &match, mod->sm_desc, mr,
349 0, &a->a_vals[ j ], &asserted, &text );
351 if ( rc == LDAP_SUCCESS && match == 0 ) {
352 free( asserted.bv_val );
353 return LDAP_TYPE_OR_VALUE_EXISTS;
357 free( asserted.bv_val );
362 rc = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
363 if ( rc != LDAP_SUCCESS ) {
364 /* this should return result of attr_mergeit */
372 delete_values( Entry *e, Modification *mod, int *newlevel )
374 int i, j, k, found, rc, nl = 0;
376 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
378 rc = check_constraints( mod, &nl );
379 if ( rc != LDAP_SUCCESS ) {
385 /* delete the entire attribute */
386 if ( mod->sm_values == NULL ) {
387 int rc = attr_delete( &e->e_attrs, mod->sm_desc );
390 rc = LDAP_NO_SUCH_ATTRIBUTE;
398 if ( mr == NULL || !mr->smr_match ) {
399 /* disallow specific attributes from being deleted if
400 * no equality rule */
401 return LDAP_INAPPROPRIATE_MATCHING;
404 /* delete specific values - find the attribute first */
405 if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
406 return( LDAP_NO_SUCH_ATTRIBUTE );
409 /* find each value to delete */
410 for ( i = 0; !BER_BVISNULL( &mod->sm_values[ i ] ); i++ ) {
412 const char *text = NULL;
414 struct berval asserted;
416 rc = asserted_value_validate_normalize(
417 mod->sm_desc, mr, SLAP_MR_EQUALITY,
418 &mod->sm_values[ i ], &asserted, &text, NULL );
420 if( rc != LDAP_SUCCESS ) return rc;
423 for ( j = 0; !BER_BVISNULL( &a->a_vals[ j ] ); j++ ) {
425 int rc = value_match( &match, mod->sm_desc, mr,
427 &a->a_vals[ j ], &asserted, &text );
429 if( rc == LDAP_SUCCESS && match != 0 ) {
433 /* found a matching value */
437 free( a->a_vals[ j ].bv_val );
438 for ( k = j + 1; !BER_BVISNULL( &a->a_vals[ k ] ); k++ ) {
439 a->a_vals[ k - 1 ] = a->a_vals[ k ];
441 BER_BVZERO( &a->a_vals[ k - 1 ] );
446 free( asserted.bv_val );
448 /* looked through them all w/o finding it */
450 return LDAP_NO_SUCH_ATTRIBUTE;
454 /* if no values remain, delete the entire attribute */
455 if ( BER_BVISNULL( &a->a_vals[ 0 ] ) ) {
456 /* should already be zero */
459 if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
460 return LDAP_NO_SUCH_ATTRIBUTE;
468 replace_values( Entry *e, Modification *mod, int *newlevel )
473 rc = check_constraints( mod, newlevel );
474 if ( rc != LDAP_SUCCESS ) {
478 rc = attr_delete( &e->e_attrs, mod->sm_desc );
480 if ( rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_ATTRIBUTE ) {
484 if ( mod->sm_values != NULL ) {
485 rc = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
486 if ( rc != LDAP_SUCCESS ) {