X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Frepl.c;h=255607117ee08bfecf6b51c2917d401a1aecc8af;hb=46fab059977aed107f53c96ced0f35cfff8c7836;hp=122872f92bd42a5ebe2eb49fa53e044396739b96;hpb=b73b0c61582166d37d55a90067c5783d2164af39;p=openldap

diff --git a/servers/slapd/repl.c b/servers/slapd/repl.c
index 122872f92b..255607117e 100644
--- a/servers/slapd/repl.c
+++ b/servers/slapd/repl.c
@@ -1,4 +1,28 @@
 /* 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"
 
@@ -13,113 +37,436 @@
 #endif
 
 #include "slap.h"
+#include "ldif.h"
 
+int
+add_replica_info(
+    Backend     *be,
+    const char  *uri, 
+    const char  *host 
+)
+{
+	int i = 0;
 
-void
-replog(
-    Backend	*be,
-    Operation *op,
-    char	*dn,
-    void	*change
+	assert( be );
+	assert( host );
+
+	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
+add_replica_suffix(
+    Backend     *be,
+    int		nr,
+    const char  *suffix
 )
 {
-	LDAPModList	*ml;
-	Entry	*e;
-	struct replog_moddn *moddn;
-	char *tmp;
+	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
+)
+{
+	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 )
+{
+	Modifications	*ml = NULL;
+	Attribute	*a = NULL;
 	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;
 	}
 
 	ldap_pvt_thread_mutex_lock( &replog_mutex );
-	if ( (fp = lock_fopen( be->be_replogfile ? be->be_replogfile :
-	    replogfile, "a", &lfp )) == NULL ) {
+	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
+	}
+
+#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", (long) slap_get_time() );
-	fprintf( fp, "dn: %s\n", dn );
+	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" );
-		ml = change;
-		for ( ; ml != NULL; ml = ml->ml_next ) {
-			switch ( ml->ml_op & ~LDAP_MOD_BVALUES ) {
+		for ( ml = op->orm_modlist; ml != NULL; ml = ml->sml_next ) {
+			char *did, *type = ml->sml_desc->ad_cname.bv_val;
+			switch ( ml->sml_op ) {
 			case LDAP_MOD_ADD:
-				fprintf( fp, "add: %s\n", ml->ml_type );
-				break;
+				did = "add"; break;
 
 			case LDAP_MOD_DELETE:
-				fprintf( fp, "delete: %s\n", ml->ml_type );
-				break;
+				did = "delete"; break;
 
 			case LDAP_MOD_REPLACE:
-				fprintf( fp, "replace: %s\n", ml->ml_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; ml->ml_bvalues != NULL &&
-			    ml->ml_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( ml->ml_type );
-				len = LDIF_SIZE_NEEDED( len,
-				    ml->ml_bvalues[i]->bv_len ) + 1;
-				buf = (char *) ch_malloc( len );
+					if ( ocs == -1 ) ocs = 0;
 
-				bufp = buf;
-				ldif_sput( &bufp, LDIF_PUT_VALUE,
-					ml->ml_type,
-				    ml->ml_bvalues[i]->bv_val,
-				    ml->ml_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" );
-		ldap_pvt_thread_mutex_lock( &entry2str_mutex );
-		tmp = entry2str( e, &len, 0 );
-		while ( (tmp = strchr( tmp, '\n' )) != NULL ) {
-			tmp++;
-			if ( ! isspace( (unsigned char) *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 );
-		ldap_pvt_thread_mutex_unlock( &entry2str_mutex );
 		break;
 
 	case LDAP_REQ_DELETE:
+		rephdr( ri, op, fp, now );
 		fprintf( fp, "changetype: delete\n" );
 		break;
 
 	case LDAP_REQ_MODRDN:
-		moddn = change;
+		rephdr( ri, op, fp, now );
 		fprintf( fp, "changetype: modrdn\n" );
-		fprintf( fp, "newrdn: %s\n", moddn->newrdn );
-		fprintf( fp, "deleteoldrdn: %d\n", moddn->deloldrdn ? 1 : 0 );
-		if( moddn->newsup != NULL ) {
-			fprintf( fp, "newsuperior: %s\n", moddn->newsup );
+		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 );
-	ldap_pvt_thread_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 );
 }