/* repl.c - log modifications for replication purposes */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2005 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
+
+#include "portable.h"
#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
+
+#include <ac/string.h>
+#include <ac/ctype.h>
+#include <ac/socket.h>
+
+#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
-#include <sys/socket.h>
+#endif
+
#include "slap.h"
+#include "ldif.h"
-extern pthread_mutex_t replog_mutex;
-extern pthread_mutex_t entry2str_mutex;
-extern time_t currenttime;
-extern char *replogfile;
+int
+add_replica_info(
+ Backend *be,
+ const char *uri,
+ const char *host )
+{
+ int i = 0;
-extern FILE *lock_fopen();
-extern int lock_fclose();
-extern char *ch_malloc();
-extern char *entry2str();
+ assert( be != NULL );
+ assert( host != NULL );
-void
-replog(
- Backend *be,
- int optype,
- char *dn,
- void *change,
- int flag
+ if ( be->be_replica != NULL ) {
+ for ( ; be->be_replica[ i ] != NULL; i++ );
+ }
+
+ be->be_replica = ch_realloc( be->be_replica,
+ sizeof( struct slap_replica_info * )*( i + 2 ) );
+
+ be->be_replica[ i ]
+ = ch_calloc( sizeof( struct slap_replica_info ), 1 );
+ be->be_replica[ i ]->ri_uri = uri;
+ be->be_replica[ i ]->ri_host = host;
+ be->be_replica[ i ]->ri_nsuffix = NULL;
+ be->be_replica[ i ]->ri_attrs = NULL;
+ be->be_replica[ i + 1 ] = NULL;
+
+ return( i );
+}
+
+int
+destroy_replica_info(
+ Backend *be )
+{
+ int i = 0;
+
+ assert( be != NULL );
+
+ if ( be->be_replica == NULL ) {
+ return 0;
+ }
+
+ for ( ; be->be_replica[ i ] != NULL; i++ ) {
+
+ ch_free( (char *)be->be_replica[ i ]->ri_uri );
+
+ ber_bvarray_free( be->be_replica[ i ]->ri_nsuffix );
+
+ if ( be->be_replica[ i ]->ri_attrs ) {
+ AttributeName *an = be->be_replica[ i ]->ri_attrs;
+ int j;
+
+ for ( j = 0; !BER_BVISNULL( &an[ j ].an_name ); j++ )
+ {
+ ch_free( an[ j ].an_name.bv_val );
+ }
+ ch_free( an );
+ }
+
+ bindconf_free( &be->be_replica[ i ]->ri_bindconf );
+
+ ch_free( be->be_replica[ i ] );
+ }
+
+ ch_free( be->be_replica );
+
+ return 0;
+}
+
+int
+add_replica_suffix(
+ Backend *be,
+ int nr,
+ const char *suffix
+)
+{
+ struct berval dn, ndn;
+ int rc;
+
+ dn.bv_val = (char *) suffix;
+ dn.bv_len = strlen( dn.bv_val );
+
+ rc = dnNormalize( 0, NULL, NULL, &dn, &ndn, NULL );
+ if( rc != LDAP_SUCCESS ) {
+ return 2;
+ }
+
+ if ( select_backend( &ndn, 0, 0 ) != be ) {
+ free( ndn.bv_val );
+ return 1;
+ }
+
+ ber_bvarray_add( &be->be_replica[nr]->ri_nsuffix, &ndn );
+ return 0;
+}
+
+int
+add_replica_attrs(
+ Backend *be,
+ int nr,
+ char *attrs,
+ int exclude
)
{
- LDAPMod *mods;
- Entry *e;
- char *newrdn, *tmp;
- int deleteoldrdn;
+ if ( be->be_replica[nr]->ri_attrs != NULL ) {
+ if ( be->be_replica[nr]->ri_exclude != exclude ) {
+ fprintf( stderr, "attr selective replication directive '%s' conflicts with previous one (discarded)\n", attrs );
+ ch_free( be->be_replica[nr]->ri_attrs );
+ be->be_replica[nr]->ri_attrs = NULL;
+ }
+ }
+
+ be->be_replica[nr]->ri_exclude = exclude;
+ be->be_replica[nr]->ri_attrs = str2anlist( be->be_replica[nr]->ri_attrs,
+ attrs, "," );
+ return ( be->be_replica[nr]->ri_attrs == NULL );
+}
+
+static void
+print_vals( FILE *fp, struct berval *type, struct berval *bv );
+static void
+replog1( struct slap_replica_info *ri, Operation *op, FILE *fp, long now);
+
+void
+replog( Operation *op )
+{
FILE *fp, *lfp;
- int len, i;
+ int i;
+/* undef NO_LOG_WHEN_NO_REPLICAS */
+#ifdef NO_LOG_WHEN_NO_REPLICAS
+ int count = 0;
+#endif
+ int subsets = 0;
+ long now = slap_get_time();
+ char *replogfile;
- if ( be->be_replogfile == NULL && replogfile == NULL ) {
+ replogfile = op->o_bd->be_replogfile ? op->o_bd->be_replogfile :
+ frontendDB->be_replogfile;
+ if ( !replogfile ) {
return;
}
- pthread_mutex_lock( &replog_mutex );
- if ( (fp = lock_fopen( be->be_replogfile ? be->be_replogfile :
- replogfile, "a", &lfp )) == NULL ) {
- pthread_mutex_unlock( &replog_mutex );
+ ldap_pvt_thread_mutex_lock( &replog_mutex );
+ if ( (fp = lock_fopen( replogfile, "a", &lfp )) == NULL ) {
+ ldap_pvt_thread_mutex_unlock( &replog_mutex );
return;
}
- for ( i = 0; be->be_replica != NULL && be->be_replica[i] != NULL;
- i++ ) {
- fprintf( fp, "replica: %s\n", be->be_replica[i] );
+ for ( i = 0; op->o_bd->be_replica != NULL && op->o_bd->be_replica[i] != NULL; i++ ) {
+ /* check if dn's suffix matches legal suffixes, if any */
+ if ( op->o_bd->be_replica[i]->ri_nsuffix != NULL ) {
+ int j;
+
+ for ( j = 0; op->o_bd->be_replica[i]->ri_nsuffix[j].bv_val; j++ ) {
+ if ( dnIsSuffix( &op->o_req_ndn, &op->o_bd->be_replica[i]->ri_nsuffix[j] ) ) {
+ break;
+ }
+ }
+
+ if ( !op->o_bd->be_replica[i]->ri_nsuffix[j].bv_val ) {
+ /* do not add "replica:" line */
+ continue;
+ }
+ }
+ /* See if we only want a subset of attributes */
+ if ( op->o_bd->be_replica[i]->ri_attrs != NULL &&
+ ( op->o_tag == LDAP_REQ_MODIFY || op->o_tag == LDAP_REQ_ADD || op->o_tag == LDAP_REQ_EXTENDED ) ) {
+ if ( !subsets ) {
+ subsets = i + 1;
+ }
+ /* Do attribute subsets by themselves in a second pass */
+ continue;
+ }
+
+ fprintf( fp, "replica: %s\n", op->o_bd->be_replica[i]->ri_host );
+#ifdef NO_LOG_WHEN_NO_REPLICAS
+ ++count;
+#endif
}
- fprintf( fp, "time: %ld\n", currenttime );
- fprintf( fp, "dn: %s\n", dn );
- switch ( optype ) {
+#ifdef NO_LOG_WHEN_NO_REPLICAS
+ if ( count == 0 && subsets == 0 ) {
+ /* if no replicas matched, drop the log
+ * (should we log it anyway?) */
+ lock_fclose( fp, lfp );
+ ldap_pvt_thread_mutex_unlock( &replog_mutex );
+
+ return;
+ }
+#endif
+
+ replog1( NULL, op, fp, now );
+
+ if ( subsets > 0 ) {
+ for ( i = subsets - 1; op->o_bd->be_replica[i] != NULL; i++ ) {
+
+ /* If no attrs, we already did this above */
+ if ( op->o_bd->be_replica[i]->ri_attrs == NULL ) {
+ continue;
+ }
+
+ /* check if dn's suffix matches legal suffixes, if any */
+ if ( op->o_bd->be_replica[i]->ri_nsuffix != NULL ) {
+ int j;
+
+ for ( j = 0; op->o_bd->be_replica[i]->ri_nsuffix[j].bv_val; j++ ) {
+ if ( dnIsSuffix( &op->o_req_ndn, &op->o_bd->be_replica[i]->ri_nsuffix[j] ) ) {
+ break;
+ }
+ }
+
+ if ( !op->o_bd->be_replica[i]->ri_nsuffix[j].bv_val ) {
+ /* no matching suffix found, skip it */
+ continue;
+ }
+ }
+ switch( op->o_tag ) {
+ case LDAP_REQ_EXTENDED:
+ /* quick hack for extended operations */
+ /* assume change parameter is a Modifications* */
+ /* fall thru */
+ case LDAP_REQ_MODIFY:
+ case LDAP_REQ_ADD:
+ break;
+ default:
+ /* Other operations were logged in the first pass */
+ continue;
+ }
+ replog1( op->o_bd->be_replica[i], op, fp, now );
+ }
+ }
+
+ lock_fclose( fp, lfp );
+ ldap_pvt_thread_mutex_unlock( &replog_mutex );
+}
+
+static void
+rephdr(
+ struct slap_replica_info *ri,
+ Operation *op,
+ FILE *fp,
+ long now
+)
+{
+ if ( ri ) {
+ fprintf( fp, "replica: %s\n", ri->ri_host );
+ }
+ fprintf( fp, "time: %ld\n", now );
+ fprintf( fp, "dn: %s\n", op->o_req_dn.bv_val );
+}
+
+static void
+replog1(
+ struct slap_replica_info *ri,
+ Operation *op,
+ FILE *fp,
+ long now
+)
+{
+ Modifications *ml;
+ Attribute *a;
+ AttributeName *an;
+ int dohdr = 1, ocs = -1;
+ struct berval vals[2];
+
+ vals[1].bv_val = NULL;
+ vals[1].bv_len = 0;
+
+ switch ( op->o_tag ) {
+ case LDAP_REQ_EXTENDED:
+ /* quick hack for extended operations */
+ /* assume change parameter is a Modifications* */
+ /* fall thru */
+
case LDAP_REQ_MODIFY:
- fprintf( fp, "changetype: modify\n" );
- mods = change;
- for ( ; mods != NULL; mods = mods->mod_next ) {
- switch ( mods->mod_op & ~LDAP_MOD_BVALUES ) {
+ for ( ml = op->orm_modlist; ml != NULL; ml = ml->sml_next ) {
+ char *did = NULL, *type = ml->sml_desc->ad_cname.bv_val;
+ switch ( ml->sml_op ) {
case LDAP_MOD_ADD:
- fprintf( fp, "add: %s\n", mods->mod_type );
- break;
+ did = "add"; break;
case LDAP_MOD_DELETE:
- fprintf( fp, "delete: %s\n", mods->mod_type );
- break;
+ did = "delete"; break;
case LDAP_MOD_REPLACE:
- fprintf( fp, "replace: %s\n", mods->mod_type );
- break;
+ did = "replace"; break;
+
+ case LDAP_MOD_INCREMENT:
+ did = "increment"; break;
}
+ if ( ri && ri->ri_attrs ) {
+ int is_in = ad_inlist( ml->sml_desc, ri->ri_attrs );
- for ( i = 0; mods->mod_bvalues != NULL &&
- mods->mod_bvalues[i] != NULL; i++ ) {
- char *buf, *bufp;
+ if ( ( !is_in && !ri->ri_exclude )
+ || ( is_in && ri->ri_exclude ) )
+ {
+ continue;
+ }
+ /* If this is objectClass, see if the value is included
+ * in any subset, otherwise drop it.
+ */
+ if ( ocs && ml->sml_desc == slap_schema.si_ad_objectClass
+ && ml->sml_values )
+ {
+ int i, first = 1;
- len = strlen( mods->mod_type );
- len = LDIF_SIZE_NEEDED( len,
- mods->mod_bvalues[i]->bv_len ) + 1;
- buf = ch_malloc( len );
+ if ( ocs == -1 ) ocs = 0;
- bufp = buf;
- put_type_and_value( &bufp, mods->mod_type,
- mods->mod_bvalues[i]->bv_val,
- mods->mod_bvalues[i]->bv_len );
- *bufp = '\0';
+ for ( i=0; ml->sml_values[i].bv_val; i++ ) {
+ int match = 0;
+ for ( an = ri->ri_attrs; an->an_name.bv_val; an++ ) {
+ if ( an->an_oc ) {
+ ocs = 1;
+ match |= an->an_oc_exclude;
+ if ( ml->sml_values[i].bv_len == an->an_name.bv_len
+ && !strcasecmp(ml->sml_values[i].bv_val,
+ an->an_name.bv_val ) ) {
+ match = !an->an_oc_exclude;
+ break;
+ }
+ }
+ }
+ /* Objectclasses need no special treatment, drop into
+ * regular processing
+ */
+ if ( !ocs ) break;
- fputs( buf, fp );
+ match ^= ri->ri_exclude;
+ /* Found a match, log it */
+ if ( match ) {
+ if ( dohdr ) {
+ rephdr( ri, op, fp, now );
+ fprintf( fp, "changetype: modify\n" );
+ dohdr = 0;
+ }
+ if ( first ) {
+ fprintf( fp, "%s: %s\n", did, type );
+ first = 0;
+ }
+ vals[0] = an->an_name;
+ print_vals( fp, &ml->sml_desc->ad_cname, vals );
+ ocs = 2;
+ }
- free( buf );
+ }
+ /* Explicit objectclasses have been handled already */
+ if ( ocs ) {
+ if ( ocs == 2 ) {
+ fprintf( fp, "-\n" );
+ }
+ continue;
+ }
+ }
+ }
+ if ( dohdr ) {
+ rephdr( ri, op, fp, now );
+ fprintf( fp, "changetype: modify\n" );
+ dohdr = 0;
+ }
+ fprintf( fp, "%s: %s\n", did, type );
+ if ( ml->sml_values ) {
+ print_vals( fp, &ml->sml_desc->ad_cname, ml->sml_values );
}
fprintf( fp, "-\n" );
}
break;
case LDAP_REQ_ADD:
- e = change;
- fprintf( fp, "changetype: add\n" );
- pthread_mutex_lock( &entry2str_mutex );
- tmp = entry2str( e, &len, 0 );
- while ( (tmp = strchr( tmp, '\n' )) != NULL ) {
- tmp++;
- if ( ! isspace( *tmp ) )
- break;
+ for ( a = op->ora_e->e_attrs ; a != NULL; a=a->a_next ) {
+ if ( ri && ri->ri_attrs ) {
+ int is_in = ad_inlist( a->a_desc, ri->ri_attrs );
+ if ( ( !is_in && !ri->ri_exclude ) || ( is_in && ri->ri_exclude ) ) {
+ continue;
+ }
+
+ /* If the list includes objectClass names,
+ * only include those classes in the
+ * objectClass attribute
+ */
+ if ( ocs && a->a_desc == slap_schema.si_ad_objectClass ) {
+ int i;
+
+ if ( ocs == -1 ) ocs = 0;
+
+ for ( i=0; a->a_vals[i].bv_val; i++ ) {
+ int match = 0;
+ for ( an = ri->ri_attrs; an->an_name.bv_val; an++ ) {
+ if ( an->an_oc ) {
+ ocs = 1;
+ match |= an->an_oc_exclude;
+ if ( a->a_vals[i].bv_len == an->an_name.bv_len
+ && !strcasecmp(a->a_vals[i].bv_val,
+ an->an_name.bv_val ) ) {
+ match = !an->an_oc_exclude;
+ break;
+ }
+ }
+ }
+ if ( !ocs ) break;
+
+ match ^= ri->ri_exclude;
+ if ( match ) {
+ if ( dohdr ) {
+ rephdr( ri, op, fp, now );
+ fprintf( fp, "changetype: add\n" );
+ dohdr = 0;
+ }
+ vals[0] = an->an_name;
+ print_vals( fp, &a->a_desc->ad_cname, vals );
+ }
+ }
+ if ( ocs ) continue;
+ }
+ }
+ if ( dohdr ) {
+ rephdr( ri, op, fp, now );
+ fprintf( fp, "changetype: add\n" );
+ dohdr = 0;
+ }
+ print_vals( fp, &a->a_desc->ad_cname, a->a_vals );
}
- fprintf( fp, "%s", tmp );
- pthread_mutex_unlock( &entry2str_mutex );
break;
case LDAP_REQ_DELETE:
+ rephdr( ri, op, fp, now );
fprintf( fp, "changetype: delete\n" );
break;
case LDAP_REQ_MODRDN:
- newrdn = change;
+ rephdr( ri, op, fp, now );
fprintf( fp, "changetype: modrdn\n" );
- fprintf( fp, "newrdn: %s\n", newrdn );
- fprintf( fp, "deleteoldrdn: %d\n", flag ? 1 : 0 );
+ fprintf( fp, "newrdn: %s\n", op->orr_newrdn.bv_val );
+ fprintf( fp, "deleteoldrdn: %d\n", op->orr_deleteoldrdn ? 1 : 0 );
+ if( op->orr_newSup != NULL ) {
+ fprintf( fp, "newsuperior: %s\n", op->orr_newSup->bv_val );
+ }
}
fprintf( fp, "\n" );
+}
- lock_fclose( fp, lfp );
- pthread_mutex_unlock( &replog_mutex );
+static void
+print_vals(
+ FILE *fp,
+ struct berval *type,
+ struct berval *bv )
+{
+ ber_len_t i, len;
+ char *buf, *bufp;
+
+ for ( i = 0, len = 0; bv && bv[i].bv_val; i++ ) {
+ if ( bv[i].bv_len > len )
+ len = bv[i].bv_len;
+ }
+
+ len = LDIF_SIZE_NEEDED( type->bv_len, len ) + 1;
+ buf = (char *) ch_malloc( len );
+
+ for ( ; bv && bv->bv_val; bv++ ) {
+ bufp = buf;
+ ldif_sput( &bufp, LDIF_PUT_VALUE, type->bv_val,
+ bv->bv_val, bv->bv_len );
+ *bufp = '\0';
+
+ fputs( buf, fp );
+
+ }
+ free( buf );
}
projects / openldap / blobdiff