1 /* log.c - deal with log subsystem */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2001-2004 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(
76 struct monitorinfo *mi;
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 = ( struct monitorinfo * )be->be_private;
89 if ( monitor_cache_get( mi, &monitor_subsys[SLAPD_MONITOR_LOG].mss_ndn,
92 LDAP_LOG( OPERATION, CRIT,
93 "monitor_subsys_log_init: "
94 "unable to get entry '%s'\n",
95 monitor_subsys[SLAPD_MONITOR_LOG].mss_ndn.bv_val, 0, 0 );
97 Debug( LDAP_DEBUG_ANY,
98 "monitor_subsys_log_init: "
99 "unable to get entry '%s'\n%s%s",
100 monitor_subsys[SLAPD_MONITOR_LOG].mss_ndn.bv_val,
106 /* initialize the debug level(s) */
107 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
109 if ( mi->mi_ad_managedInfo->ad_type->sat_equality->smr_normalize ) {
112 rc = (*mi->mi_ad_managedInfo->ad_type->sat_equality->smr_normalize)(
113 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
114 mi->mi_ad_managedInfo->ad_type->sat_syntax,
115 mi->mi_ad_managedInfo->ad_type->sat_equality,
117 &int_2_level[ i ].n, NULL );
123 if ( int_2_level[ i ].i & ldap_syslog ) {
124 attr_merge_one( e, mi->mi_ad_managedInfo,
126 &int_2_level[ i ].n );
130 attr_merge( e, mi->mi_ad_description, desc, NULL );
132 monitor_cache_release( mi, e );
138 monitor_subsys_log_modify(
143 struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
145 int newlevel = ldap_syslog;
146 Attribute *save_attrs;
147 Modifications *modlist = op->oq_modify.rs_modlist;
150 ldap_pvt_thread_mutex_lock( &monitor_log_mutex );
152 save_attrs = e->e_attrs;
153 e->e_attrs = attrs_dup( e->e_attrs );
155 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
156 Modification *mod = &ml->sml_mod;
159 * accept all operational attributes
161 if ( is_at_operational( mod->sm_desc->ad_type ) ) {
162 ( void ) attr_delete( &e->e_attrs, mod->sm_desc );
163 rc = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
171 * only the monitor description attribute can be modified
173 } else if ( mod->sm_desc != mi->mi_ad_managedInfo) {
174 rc = LDAP_UNWILLING_TO_PERFORM;
178 switch ( mod->sm_op ) {
180 rc = add_values( e, mod, &newlevel );
183 case LDAP_MOD_DELETE:
184 rc = delete_values( e, mod, &newlevel );
187 case LDAP_MOD_REPLACE:
188 rc = replace_values( e, mod, &newlevel );
196 if ( rc != LDAP_SUCCESS ) {
201 /* set the new debug level */
202 if ( rc == LDAP_SUCCESS ) {
204 static char textbuf[ BACKMONITOR_BUFSIZE ];
206 /* check for abandon */
207 if ( op->o_abandon ) {
213 /* check that the entry still obeys the schema */
214 rc = entry_schema_check( be_monitor, e, save_attrs,
215 &text, textbuf, sizeof( textbuf ) );
216 if ( rc != LDAP_SUCCESS ) {
221 * Do we need to protect this with a mutex?
223 ldap_syslog = newlevel;
225 #if 0 /* debug rather than log */
226 slap_debug = newlevel;
227 lutil_set_debug_level( "slapd", slap_debug );
228 ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
229 ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
230 ldif_debug = slap_debug;
235 if ( rc == LDAP_SUCCESS ) {
236 attrs_free( save_attrs );
239 attrs_free( e->e_attrs );
240 e->e_attrs = save_attrs;
243 ldap_pvt_thread_mutex_unlock( &monitor_log_mutex );
249 loglevel2int( struct berval *l )
253 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
254 if ( l->bv_len != int_2_level[ i ].s.bv_len ) {
258 if ( strcasecmp( l->bv_val, int_2_level[ i ].s.bv_val ) == 0 ) {
259 return int_2_level[ i ].i;
267 int2loglevel( int n )
271 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
272 if ( int_2_level[ i ].i == n ) {
281 check_constraints( Modification *mod, int *newlevel )
285 for ( i = 0; mod->sm_values && mod->sm_values[i].bv_val != NULL; i++ ) {
288 l = loglevel2int( &mod->sm_values[i] );
290 return LDAP_CONSTRAINT_VIOLATION;
293 if ( ( l = int2loglevel( l ) ) == -1 ) {
297 assert( int_2_level[ l ].s.bv_len
298 == mod->sm_values[i].bv_len );
300 AC_MEMCPY( mod->sm_values[i].bv_val,
301 int_2_level[ l ].s.bv_val,
302 int_2_level[ l ].s.bv_len );
304 AC_MEMCPY( mod->sm_nvalues[i].bv_val,
305 int_2_level[ l ].n.bv_val,
306 int_2_level[ l ].n.bv_len );
315 add_values( Entry *e, Modification *mod, int *newlevel )
319 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
321 rc = check_constraints( mod, newlevel );
322 if ( rc != LDAP_SUCCESS ) {
326 a = attr_find( e->e_attrs, mod->sm_desc );
329 /* "description" SHOULD have appropriate rules ... */
330 if ( mr == NULL || !mr->smr_match ) {
331 return LDAP_INAPPROPRIATE_MATCHING;
334 for ( i = 0; mod->sm_values[i].bv_val != NULL; i++ ) {
337 const char *text = NULL;
338 struct berval asserted;
340 rc = asserted_value_validate_normalize(
341 mod->sm_desc, mr, SLAP_MR_EQUALITY,
342 &mod->sm_values[i], &asserted, &text, NULL );
344 if ( rc != LDAP_SUCCESS ) {
348 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) {
350 int rc = value_match( &match, mod->sm_desc, mr,
351 0, &a->a_vals[j], &asserted, &text );
353 if ( rc == LDAP_SUCCESS && match == 0 ) {
354 free( asserted.bv_val );
355 return LDAP_TYPE_OR_VALUE_EXISTS;
359 free( asserted.bv_val );
364 rc = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
365 if ( rc != LDAP_SUCCESS ) {
366 /* this should return result of attr_mergeit */
374 delete_values( Entry *e, Modification *mod, int *newlevel )
376 int i, j, k, found, rc, nl = 0;
378 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
380 rc = check_constraints( mod, &nl );
381 if ( rc != LDAP_SUCCESS ) {
387 /* delete the entire attribute */
388 if ( mod->sm_values == NULL ) {
389 int rc = attr_delete( &e->e_attrs, mod->sm_desc );
392 rc = LDAP_NO_SUCH_ATTRIBUTE;
400 if ( mr == NULL || !mr->smr_match ) {
401 /* disallow specific attributes from being deleted if
402 * no equality rule */
403 return LDAP_INAPPROPRIATE_MATCHING;
406 /* delete specific values - find the attribute first */
407 if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
408 return( LDAP_NO_SUCH_ATTRIBUTE );
411 /* find each value to delete */
412 for ( i = 0; mod->sm_values[i].bv_val != NULL; i++ ) {
414 const char *text = NULL;
416 struct berval asserted;
418 rc = asserted_value_validate_normalize(
419 mod->sm_desc, mr, SLAP_MR_EQUALITY,
420 &mod->sm_values[i], &asserted, &text, NULL );
422 if( rc != LDAP_SUCCESS ) return rc;
425 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) {
427 int rc = value_match( &match, mod->sm_desc, mr,
429 &a->a_vals[j], &asserted, &text );
431 if( rc == LDAP_SUCCESS && match != 0 ) {
435 /* found a matching value */
439 free( a->a_vals[j].bv_val );
440 for ( k = j + 1; a->a_vals[k].bv_val != NULL; k++ ) {
441 a->a_vals[k - 1] = a->a_vals[k];
443 a->a_vals[k - 1].bv_val = NULL;
448 free( asserted.bv_val );
450 /* looked through them all w/o finding it */
452 return LDAP_NO_SUCH_ATTRIBUTE;
456 /* if no values remain, delete the entire attribute */
457 if ( a->a_vals[0].bv_val == NULL ) {
458 /* should already be zero */
461 if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
462 return LDAP_NO_SUCH_ATTRIBUTE;
470 replace_values( Entry *e, Modification *mod, int *newlevel )
475 rc = check_constraints( mod, newlevel );
476 if ( rc != LDAP_SUCCESS ) {
480 rc = attr_delete( &e->e_attrs, mod->sm_desc );
482 if ( rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_ATTRIBUTE ) {
486 if ( mod->sm_values != NULL ) {
487 rc = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
488 if ( rc != LDAP_SUCCESS ) {