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,
91 Debug( LDAP_DEBUG_ANY,
92 "monitor_subsys_log_init: "
93 "unable to get entry '%s'\n%s%s",
94 monitor_subsys[SLAPD_MONITOR_LOG].mss_ndn.bv_val,
99 /* initialize the debug level(s) */
100 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
102 if ( mi->mi_ad_managedInfo->ad_type->sat_equality->smr_normalize ) {
105 rc = (*mi->mi_ad_managedInfo->ad_type->sat_equality->smr_normalize)(
106 SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
107 mi->mi_ad_managedInfo->ad_type->sat_syntax,
108 mi->mi_ad_managedInfo->ad_type->sat_equality,
110 &int_2_level[ i ].n, NULL );
116 if ( int_2_level[ i ].i & ldap_syslog ) {
117 attr_merge_one( e, mi->mi_ad_managedInfo,
119 &int_2_level[ i ].n );
123 attr_merge( e, mi->mi_ad_description, desc, NULL );
125 monitor_cache_release( mi, e );
131 monitor_subsys_log_modify(
136 struct monitorinfo *mi = (struct monitorinfo *)op->o_bd->be_private;
138 int newlevel = ldap_syslog;
139 Attribute *save_attrs;
140 Modifications *modlist = op->oq_modify.rs_modlist;
143 ldap_pvt_thread_mutex_lock( &monitor_log_mutex );
145 save_attrs = e->e_attrs;
146 e->e_attrs = attrs_dup( e->e_attrs );
148 for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
149 Modification *mod = &ml->sml_mod;
152 * accept all operational attributes
154 if ( is_at_operational( mod->sm_desc->ad_type ) ) {
155 ( void ) attr_delete( &e->e_attrs, mod->sm_desc );
156 rc = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
164 * only the monitor description attribute can be modified
166 } else if ( mod->sm_desc != mi->mi_ad_managedInfo) {
167 rc = LDAP_UNWILLING_TO_PERFORM;
171 switch ( mod->sm_op ) {
173 rc = add_values( e, mod, &newlevel );
176 case LDAP_MOD_DELETE:
177 rc = delete_values( e, mod, &newlevel );
180 case LDAP_MOD_REPLACE:
181 rc = replace_values( e, mod, &newlevel );
189 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 ) {
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 ) {
214 * Do we need to protect this with a mutex?
216 ldap_syslog = newlevel;
218 #if 0 /* debug rather than log */
219 slap_debug = newlevel;
220 lutil_set_debug_level( "slapd", slap_debug );
221 ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
222 ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
223 ldif_debug = slap_debug;
228 if ( rc == LDAP_SUCCESS ) {
229 attrs_free( save_attrs );
232 attrs_free( e->e_attrs );
233 e->e_attrs = save_attrs;
236 ldap_pvt_thread_mutex_unlock( &monitor_log_mutex );
242 loglevel2int( struct berval *l )
246 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
247 if ( l->bv_len != int_2_level[ i ].s.bv_len ) {
251 if ( strcasecmp( l->bv_val, int_2_level[ i ].s.bv_val ) == 0 ) {
252 return int_2_level[ i ].i;
260 int2loglevel( int n )
264 for ( i = 0; int_2_level[ i ].i != 0; i++ ) {
265 if ( int_2_level[ i ].i == n ) {
274 check_constraints( Modification *mod, int *newlevel )
278 for ( i = 0; mod->sm_values && mod->sm_values[i].bv_val != NULL; i++ ) {
281 l = loglevel2int( &mod->sm_values[i] );
283 return LDAP_CONSTRAINT_VIOLATION;
286 if ( ( l = int2loglevel( l ) ) == -1 ) {
290 assert( int_2_level[ l ].s.bv_len
291 == mod->sm_values[i].bv_len );
293 AC_MEMCPY( mod->sm_values[i].bv_val,
294 int_2_level[ l ].s.bv_val,
295 int_2_level[ l ].s.bv_len );
297 AC_MEMCPY( mod->sm_nvalues[i].bv_val,
298 int_2_level[ l ].n.bv_val,
299 int_2_level[ l ].n.bv_len );
308 add_values( Entry *e, Modification *mod, int *newlevel )
312 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
314 rc = check_constraints( mod, newlevel );
315 if ( rc != LDAP_SUCCESS ) {
319 a = attr_find( e->e_attrs, mod->sm_desc );
322 /* "description" SHOULD have appropriate rules ... */
323 if ( mr == NULL || !mr->smr_match ) {
324 return LDAP_INAPPROPRIATE_MATCHING;
327 for ( i = 0; mod->sm_values[i].bv_val != NULL; i++ ) {
330 const char *text = NULL;
331 struct berval asserted;
333 rc = asserted_value_validate_normalize(
334 mod->sm_desc, mr, SLAP_MR_EQUALITY,
335 &mod->sm_values[i], &asserted, &text, NULL );
337 if ( rc != LDAP_SUCCESS ) {
341 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) {
343 int rc = value_match( &match, mod->sm_desc, mr,
344 0, &a->a_vals[j], &asserted, &text );
346 if ( rc == LDAP_SUCCESS && match == 0 ) {
347 free( asserted.bv_val );
348 return LDAP_TYPE_OR_VALUE_EXISTS;
352 free( asserted.bv_val );
357 rc = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
358 if ( rc != LDAP_SUCCESS ) {
359 /* this should return result of attr_mergeit */
367 delete_values( Entry *e, Modification *mod, int *newlevel )
369 int i, j, k, found, rc, nl = 0;
371 MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
373 rc = check_constraints( mod, &nl );
374 if ( rc != LDAP_SUCCESS ) {
380 /* delete the entire attribute */
381 if ( mod->sm_values == NULL ) {
382 int rc = attr_delete( &e->e_attrs, mod->sm_desc );
385 rc = LDAP_NO_SUCH_ATTRIBUTE;
393 if ( mr == NULL || !mr->smr_match ) {
394 /* disallow specific attributes from being deleted if
395 * no equality rule */
396 return LDAP_INAPPROPRIATE_MATCHING;
399 /* delete specific values - find the attribute first */
400 if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
401 return( LDAP_NO_SUCH_ATTRIBUTE );
404 /* find each value to delete */
405 for ( i = 0; mod->sm_values[i].bv_val != NULL; i++ ) {
407 const char *text = NULL;
409 struct berval asserted;
411 rc = asserted_value_validate_normalize(
412 mod->sm_desc, mr, SLAP_MR_EQUALITY,
413 &mod->sm_values[i], &asserted, &text, NULL );
415 if( rc != LDAP_SUCCESS ) return rc;
418 for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) {
420 int rc = value_match( &match, mod->sm_desc, mr,
422 &a->a_vals[j], &asserted, &text );
424 if( rc == LDAP_SUCCESS && match != 0 ) {
428 /* found a matching value */
432 free( a->a_vals[j].bv_val );
433 for ( k = j + 1; a->a_vals[k].bv_val != NULL; k++ ) {
434 a->a_vals[k - 1] = a->a_vals[k];
436 a->a_vals[k - 1].bv_val = NULL;
441 free( asserted.bv_val );
443 /* looked through them all w/o finding it */
445 return LDAP_NO_SUCH_ATTRIBUTE;
449 /* if no values remain, delete the entire attribute */
450 if ( a->a_vals[0].bv_val == NULL ) {
451 /* should already be zero */
454 if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
455 return LDAP_NO_SUCH_ATTRIBUTE;
463 replace_values( Entry *e, Modification *mod, int *newlevel )
468 rc = check_constraints( mod, newlevel );
469 if ( rc != LDAP_SUCCESS ) {
473 rc = attr_delete( &e->e_attrs, mod->sm_desc );
475 if ( rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_ATTRIBUTE ) {
479 if ( mod->sm_values != NULL ) {
480 rc = attr_merge( e, mod->sm_desc, mod->sm_values, mod->sm_nvalues );
481 if ( rc != LDAP_SUCCESS ) {