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Add backend_check_referrals() framework.

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This commit is contained in:
Kurt Zeilenga 2000-06-16 01:19:30 +00:00
parent 3a0c301b07
commit 6f378341a2
9 changed files with 114 additions and 40 deletions
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15
servers/slapd/add.c
View File

@ -18,7 +18,6 @@
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/time.h>
#include <ac/socket.h>
@ -45,6 +44,7 @@ do_add( Connection *conn, Operation *op )
Modifications *mods = NULL;
const char *text;
int rc = LDAP_SUCCESS;
struct berval **urls = NULL;
Debug( LDAP_DEBUG_TRACE, "do_add\n", 0, 0, 0 );
@ -134,8 +134,7 @@ do_add( Connection *conn, Operation *op )
goto done;
}
if ( modlist == NULL )
{
if ( modlist == NULL ) {
send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
NULL, "no attributes provided", NULL, NULL );
goto done;
@ -158,13 +157,21 @@ do_add( Connection *conn, Operation *op )
/* make sure this backend recongizes critical controls */
rc = backend_check_controls( be, conn, op, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto done;
}
/* check for referrals */
rc = backend_check_referrals( be, conn, op, &urls, &text );
if ( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, urls, NULL );
ber_bvecfree( urls );
goto done;
}
if ( global_readonly || be->be_readonly ) {
Debug( LDAP_DEBUG_ANY, "do_add: database is read-only\n",
0, 0, 0 );

17
servers/slapd/backend.c
View File

@ -615,6 +615,23 @@ backend_check_controls(
return LDAP_SUCCESS;
}
int backend_check_referrals(
Backend *be,
Connection *conn,
Operation *op,
struct berval ***bv,
const char **text )
{
*bv = NULL;
if( be->be_chk_referrals ) {
return be->be_chk_referrals( be,
conn, op, bv, text );
}
return LDAP_SUCCESS;
}
int
backend_group(
Backend *be,

53
servers/slapd/compare.c
View File

@ -18,7 +18,6 @@
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include "ldap_pvt.h"
@ -37,6 +36,7 @@ do_compare(
AttributeAssertion ava;
Backend *be;
int rc = LDAP_SUCCESS;
struct berval **urls = NULL;
const char *text = NULL;
ava.aa_desc = NULL;
@ -94,6 +94,35 @@ do_compare(
goto cleanup;
}
/*
* We could be serving multiple database backends. Select the
* appropriate one, or send a referral to our "referral server"
* if we don't hold it.
*/
if ( (be = select_backend( ndn )) == NULL ) {
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
NULL, NULL, default_referral, NULL );
rc = 1;
goto cleanup;
}
/* make sure this backend recongizes critical controls */
rc = backend_check_controls( be, conn, op, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto cleanup;
}
/* check for referrals */
rc = backend_check_referrals( be, conn, op, &urls, &text );
if ( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, urls, NULL );
ber_bvecfree( urls );
goto cleanup;
}
rc = slap_bv2ad( &desc, &ava.aa_desc, &text );
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc, NULL,
@ -125,28 +154,6 @@ do_compare(
op->o_connid, op->o_opid, dn, ava.aa_desc->ad_cname->bv_val, 0 );
/*
* We could be serving multiple database backends. Select the
* appropriate one, or send a referral to our "referral server"
* if we don't hold it.
*/
if ( (be = select_backend( ndn )) == NULL ) {
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
NULL, NULL, default_referral, NULL );
rc = 1;
goto cleanup;
}
/* make sure this backend recongizes critical controls */
rc = backend_check_controls( be, conn, op, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto cleanup;
}
/* deref suffix alias if appropriate */
ndn = suffix_alias( be, ndn );

11
servers/slapd/delete.c
View File

@ -33,6 +33,7 @@ do_delete(
{
char *dn, *ndn = NULL;
const char *text;
struct berval **urls = NULL;
Backend *be;
int rc;
@ -81,13 +82,21 @@ do_delete(
/* make sure this backend recongizes critical controls */
rc = backend_check_controls( be, conn, op, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto cleanup;
}
/* check for referrals */
rc = backend_check_referrals( be, conn, op, &urls, &text );
if ( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, urls, NULL );
ber_bvecfree( urls );
goto cleanup;
}
if ( global_readonly || be->be_readonly ) {
Debug( LDAP_DEBUG_ANY, "do_delete: database is read-only\n",
0, 0, 0 );

19
servers/slapd/modify.c
View File

@ -27,12 +27,10 @@
#include "slap.h"
int
do_modify(
Connection *conn,
Operation *op
)
Operation *op )
{
char *dn, *ndn = NULL;
char *last;
@ -47,6 +45,7 @@ do_modify(
Backend *be;
int rc;
const char *text;
struct berval **urls;
Debug( LDAP_DEBUG_TRACE, "do_modify\n", 0, 0, 0 );
@ -129,8 +128,6 @@ do_modify(
}
(*modtail)->ml_op = mop;
modtail = &(*modtail)->ml_next;
}
*modtail = NULL;
@ -159,7 +156,6 @@ do_modify(
}
#endif
Statslog( LDAP_DEBUG_STATS, "conn=%ld op=%d MOD dn=\"%s\"\n",
op->o_connid, op->o_opid, dn, 0, 0 );
@ -183,11 +179,20 @@ do_modify(
goto cleanup;
}
/* check for referrals */
rc = backend_check_referrals( be, conn, op, &urls, &text );
if ( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, urls, NULL );
ber_bvecfree( urls );
goto cleanup;
}
if ( global_readonly || be->be_readonly ) {
Debug( LDAP_DEBUG_ANY, "do_modify: database is read-only\n",
0, 0, 0 );
send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "directory is read-only", NULL, NULL );
NULL, "directory is read-only", NULL, NULL );
goto cleanup;
}

11
servers/slapd/modrdn.c
View File

@ -54,6 +54,7 @@ do_modrdn(
ber_len_t length;
int rc;
const char *text;
struct berval **urls = NULL;
Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
@ -167,13 +168,21 @@ do_modrdn(
/* make sure this backend recongizes critical controls */
rc = backend_check_controls( be, conn, op, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto cleanup;
}
/* check for referrals */
rc = backend_check_referrals( be, conn, op, &urls, &text );
if ( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, urls, NULL );
ber_bvecfree( urls );
goto cleanup;
}
if ( global_readonly || be->be_readonly ) {
Debug( LDAP_DEBUG_ANY, "do_modrdn: database is read-only\n",
0, 0, 0 );

7
servers/slapd/proto-slap.h
View File

@ -155,6 +155,13 @@ LIBSLAPD_F( int ) backend_check_controls LDAP_P((
Operation *op,
const char **text ));
LIBSLAPD_F( int ) backend_check_referrals LDAP_P((
Backend *be,
Connection *conn,
Operation *op,
struct berval ***bv,
const char **text ));
LIBSLAPD_F (int) backend_connection_init LDAP_P((Connection *conn));
LIBSLAPD_F (int) backend_connection_destroy LDAP_P((Connection *conn));

15
servers/slapd/search.c
View File

@ -25,13 +25,11 @@
#include "ldap_pvt.h"
#include "slap.h"
int
do_search(
Connection *conn, /* where to send results */
Operation *op /* info about the op to which we're responding */
)
{
) {
int i;
ber_int_t scope, deref, attrsonly;
ber_int_t sizelimit, timelimit;
@ -41,6 +39,7 @@ do_search(
Backend *be;
int rc;
const char *text;
struct berval **urls = NULL;
Debug( LDAP_DEBUG_TRACE, "do_search\n", 0, 0, 0 );
@ -218,13 +217,21 @@ do_search(
/* make sure this backend recongizes critical controls */
rc = backend_check_controls( be, conn, op, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto return_results;
}
/* check for referrals */
rc = backend_check_referrals( be, conn, op, &urls, &text );
if ( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, urls, NULL );
ber_bvecfree( urls );
goto return_results;
}
/* deref the base if needed */
nbase = suffix_alias( be, nbase );

6
servers/slapd/slap.h
View File

@ -743,6 +743,7 @@ struct slap_backend_db {
#define be_extended bd_info->bi_extended
#define be_release bd_info->bi_entry_release_rw
#define be_chk_referrals bd_info->bi_chk_referrals
#define be_group bd_info->bi_acl_group
#define be_controls bd_info->bi_controls
@ -907,6 +908,11 @@ struct slap_backend_info {
/* Auxilary Functions */
int (*bi_entry_release_rw) LDAP_P((BackendDB *bd, Entry *e, int rw));
int (*bi_chk_referrals) LDAP_P((BackendDB *bd,
struct slap_conn *c, struct slap_op *o,
struct berval ***urls,
const char **text ));
int (*bi_acl_group) LDAP_P((Backend *bd,
Entry *e, const char *bdn, const char *edn,
ObjectClass *group_oc,