mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
ec8fc19566
with minor adjustments.
591 lines
14 KiB
C
591 lines
14 KiB
C
/* modify.c - ldbm backend modify routine */
|
|
/* $OpenLDAP$ */
|
|
/*
|
|
* Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
|
|
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
|
|
*/
|
|
|
|
#include "portable.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ac/string.h>
|
|
#include <ac/socket.h>
|
|
#include <ac/time.h>
|
|
|
|
#include "slap.h"
|
|
#include "back-ldbm.h"
|
|
#include "proto-back-ldbm.h"
|
|
|
|
static int add_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
|
|
static int delete_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
|
|
static int replace_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
|
|
|
|
/* We need this function because of LDAP modrdn. If we do not
|
|
* add this there would be a bunch of code replication here
|
|
* and there and of course the likelihood of bugs increases.
|
|
* Juan C. Gomez (gomez@engr.sgi.com) 05/18/99
|
|
*/
|
|
int ldbm_modify_internal(
|
|
Backend *be,
|
|
Connection *conn,
|
|
Operation *op,
|
|
const char *dn,
|
|
Modifications *modlist,
|
|
Entry *e,
|
|
const char **text,
|
|
char *textbuf,
|
|
size_t textlen
|
|
)
|
|
{
|
|
int rc = LDAP_SUCCESS;
|
|
Modification *mod;
|
|
Modifications *ml;
|
|
Attribute *save_attrs;
|
|
Attribute *ap;
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
|
|
"ldbm_modify_internal: %s\n", dn ));
|
|
#else
|
|
Debug(LDAP_DEBUG_TRACE, "ldbm_modify_internal: %s\n", dn, 0, 0);
|
|
#endif
|
|
|
|
|
|
if ( !acl_check_modlist( be, conn, op, e, modlist )) {
|
|
return LDAP_INSUFFICIENT_ACCESS;
|
|
}
|
|
|
|
save_attrs = e->e_attrs;
|
|
e->e_attrs = attrs_dup( e->e_attrs );
|
|
|
|
for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
|
|
mod = &ml->sml_mod;
|
|
|
|
switch ( mod->sm_op ) {
|
|
case LDAP_MOD_ADD:
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
|
|
"ldbm_modify_internal: add\n" ));
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: add\n", 0, 0, 0);
|
|
#endif
|
|
|
|
rc = add_values( e, mod, op->o_ndn.bv_val );
|
|
|
|
if( rc != LDAP_SUCCESS ) {
|
|
*text = "modify: add values failed";
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
|
|
"ldbm_modify_internal: failed %d (%s)\n",
|
|
rc, *text ));
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
|
|
rc, *text, 0);
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case LDAP_MOD_DELETE:
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
|
|
"ldbm_modify_internal: delete\n" ));
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: delete\n", 0, 0, 0);
|
|
#endif
|
|
|
|
rc = delete_values( e, mod, op->o_ndn.bv_val );
|
|
assert( rc != LDAP_TYPE_OR_VALUE_EXISTS );
|
|
if( rc != LDAP_SUCCESS ) {
|
|
*text = "modify: delete values failed";
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
|
|
"ldbm_modify_internal: failed %d (%s)\n", rc, *text ));
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
|
|
rc, *text, 0);
|
|
#endif
|
|
}
|
|
break;
|
|
|
|
case LDAP_MOD_REPLACE:
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
|
|
"ldbm_modify_internal: replace\n" ));
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: replace\n", 0, 0, 0);
|
|
#endif
|
|
|
|
rc = replace_values( e, mod, op->o_ndn.bv_val );
|
|
assert( rc != LDAP_TYPE_OR_VALUE_EXISTS );
|
|
if( rc != LDAP_SUCCESS ) {
|
|
*text = "modify: replace values failed";
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
|
|
"ldbm_modify_internal: failed %d (%s)\n", rc, *text ));
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
|
|
rc, *text, 0);
|
|
#endif
|
|
|
|
}
|
|
break;
|
|
|
|
case SLAP_MOD_SOFTADD:
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
|
|
"ldbm_modify_internal: softadd\n" ));
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: softadd\n", 0, 0, 0);
|
|
#endif
|
|
|
|
/* Avoid problems in index_add_mods()
|
|
* We need to add index if necessary.
|
|
*/
|
|
mod->sm_op = LDAP_MOD_ADD;
|
|
rc = add_values( e, mod, op->o_ndn.bv_val );
|
|
|
|
if ( rc == LDAP_TYPE_OR_VALUE_EXISTS ) {
|
|
rc = LDAP_SUCCESS;
|
|
}
|
|
|
|
if( rc != LDAP_SUCCESS ) {
|
|
*text = "modify: (soft)add values failed";
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
|
|
"ldbm_modify_internal: failed %d (%s)\n", rc, *text ));
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
|
|
rc, *text, 0);
|
|
#endif
|
|
|
|
}
|
|
break;
|
|
|
|
default:
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
|
|
"ldbm_modify_internal: invalid op %d\n", mod->sm_op ));
|
|
#else
|
|
Debug(LDAP_DEBUG_ANY, "ldbm_modify_internal: invalid op %d\n",
|
|
mod->sm_op, 0, 0);
|
|
#endif
|
|
|
|
rc = LDAP_OTHER;
|
|
*text = "Invalid modify operation";
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
|
|
"ldbm_modify_internal: %d (%s)\n", rc, *text ));
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
|
|
rc, *text, 0);
|
|
#endif
|
|
|
|
}
|
|
|
|
if ( rc != LDAP_SUCCESS ) {
|
|
goto exit;
|
|
}
|
|
|
|
/* check if modified attribute was indexed */
|
|
rc = index_is_indexed( be, mod->sm_desc );
|
|
if ( rc == LDAP_SUCCESS ) {
|
|
ap = attr_find( save_attrs, mod->sm_desc );
|
|
if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
|
|
|
|
ap = attr_find( e->e_attrs, mod->sm_desc );
|
|
if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
|
|
}
|
|
}
|
|
|
|
/* check that the entry still obeys the schema */
|
|
rc = entry_schema_check( be, e, save_attrs, text, textbuf, textlen );
|
|
if ( rc != LDAP_SUCCESS ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
|
|
"ldbm_modify_internal: entry failed schema check: %s\n",
|
|
*text ));
|
|
#else
|
|
Debug( LDAP_DEBUG_ANY, "entry failed schema check: %s\n",
|
|
*text, 0, 0 );
|
|
#endif
|
|
|
|
goto exit;
|
|
}
|
|
|
|
/* check for abandon */
|
|
ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
|
|
rc = op->o_abandon;
|
|
ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
|
|
if ( rc ) {
|
|
rc = SLAPD_ABANDON;
|
|
goto exit;
|
|
}
|
|
|
|
/* update the indices of the modified attributes */
|
|
|
|
/* start with deleting the old index entries */
|
|
for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
|
|
if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
|
|
rc = index_values( be, ap->a_desc, ap->a_vals, e->e_id,
|
|
SLAP_INDEX_DELETE_OP );
|
|
if ( rc != LDAP_SUCCESS ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
|
|
"ldbm_modify_internal: Attribute index delete failure\n" ));
|
|
#else
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Attribute index delete failure",
|
|
0, 0, 0 );
|
|
#endif
|
|
goto exit;
|
|
}
|
|
ap->a_flags &= ~SLAP_ATTR_IXDEL;
|
|
}
|
|
}
|
|
|
|
/* add the new index entries */
|
|
for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
|
|
if ( ap->a_flags & SLAP_ATTR_IXADD ) {
|
|
rc = index_values( be, ap->a_desc, ap->a_vals, e->e_id,
|
|
SLAP_INDEX_ADD_OP );
|
|
if ( rc != LDAP_SUCCESS ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
|
|
"ldbm_modify_internal: Attribute index add failure\n" ));
|
|
#else
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Attribute index add failure",
|
|
0, 0, 0 );
|
|
#endif
|
|
goto exit;
|
|
}
|
|
ap->a_flags &= ~SLAP_ATTR_IXADD;
|
|
}
|
|
}
|
|
|
|
exit:
|
|
if ( rc == LDAP_SUCCESS ) {
|
|
attrs_free( save_attrs );
|
|
} else {
|
|
for ( ap = save_attrs; ap; ap = ap->a_next ) {
|
|
ap->a_flags = 0;
|
|
}
|
|
attrs_free( e->e_attrs );
|
|
e->e_attrs = save_attrs;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
int
|
|
ldbm_back_modify(
|
|
Backend *be,
|
|
Connection *conn,
|
|
Operation *op,
|
|
struct berval *dn,
|
|
struct berval *ndn,
|
|
Modifications *modlist
|
|
)
|
|
{
|
|
int rc;
|
|
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
|
|
Entry *matched;
|
|
Entry *e;
|
|
int manageDSAit = get_manageDSAit( op );
|
|
const char *text = NULL;
|
|
char textbuf[SLAP_TEXT_BUFLEN];
|
|
size_t textlen = sizeof textbuf;
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
|
|
"ldbm_back_modify: enter\n" ));
|
|
#else
|
|
Debug(LDAP_DEBUG_ARGS, "ldbm_back_modify:\n", 0, 0, 0);
|
|
#endif
|
|
|
|
|
|
/* acquire and lock entry */
|
|
if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
|
|
char* matched_dn = NULL;
|
|
BVarray refs;
|
|
|
|
if ( matched != NULL ) {
|
|
matched_dn = ch_strdup( matched->e_dn );
|
|
refs = is_entry_referral( matched )
|
|
? get_entry_referrals( be, conn, op, matched )
|
|
: NULL;
|
|
cache_return_entry_r( &li->li_cache, matched );
|
|
} else {
|
|
refs = referral_rewrite( default_referral,
|
|
NULL, dn, LDAP_SCOPE_DEFAULT );
|
|
}
|
|
|
|
send_ldap_result( conn, op, LDAP_REFERRAL,
|
|
matched_dn, NULL, refs, NULL );
|
|
|
|
if ( refs ) bvarray_free( refs );
|
|
free( matched_dn );
|
|
|
|
return( -1 );
|
|
}
|
|
|
|
if ( !manageDSAit && is_entry_referral( e ) ) {
|
|
/* parent is a referral, don't allow add */
|
|
/* parent is an alias, don't allow add */
|
|
BVarray refs = get_entry_referrals( be,
|
|
conn, op, e );
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
|
|
"ldbm_back_modify: entry (%s) is referral\n", ndn->bv_val ));
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
|
|
0, 0 );
|
|
#endif
|
|
|
|
|
|
send_ldap_result( conn, op, LDAP_REFERRAL,
|
|
e->e_dn, NULL, refs, NULL );
|
|
|
|
if ( refs ) bvarray_free( refs );
|
|
|
|
goto error_return;
|
|
}
|
|
|
|
/* Modify the entry */
|
|
rc = ldbm_modify_internal( be, conn, op, ndn->bv_val, modlist, e,
|
|
&text, textbuf, textlen );
|
|
|
|
if( rc != LDAP_SUCCESS ) {
|
|
if( rc != SLAPD_ABANDON ) {
|
|
send_ldap_result( conn, op, rc,
|
|
NULL, text, NULL, NULL );
|
|
}
|
|
|
|
goto error_return;
|
|
}
|
|
|
|
/* change the entry itself */
|
|
if ( id2entry_add( be, e ) != 0 ) {
|
|
send_ldap_result( conn, op, LDAP_OTHER,
|
|
NULL, "id2entry failure", NULL, NULL );
|
|
goto error_return;
|
|
}
|
|
|
|
send_ldap_result( conn, op, LDAP_SUCCESS,
|
|
NULL, NULL, NULL, NULL );
|
|
|
|
cache_return_entry_w( &li->li_cache, e );
|
|
return( 0 );
|
|
|
|
error_return:;
|
|
cache_return_entry_w( &li->li_cache, e );
|
|
return( -1 );
|
|
}
|
|
|
|
static int
|
|
add_values(
|
|
Entry *e,
|
|
Modification *mod,
|
|
char *dn
|
|
)
|
|
{
|
|
int i;
|
|
Attribute *a;
|
|
|
|
/* char *desc = mod->sm_desc->ad_cname.bv_val; */
|
|
MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
|
|
|
|
a = attr_find( e->e_attrs, mod->sm_desc );
|
|
|
|
/* check if the values we're adding already exist */
|
|
if ( a != NULL ) {
|
|
if( mr == NULL || !mr->smr_match ) {
|
|
/* do not allow add of additional attribute
|
|
if no equality rule exists */
|
|
return LDAP_INAPPROPRIATE_MATCHING;
|
|
}
|
|
|
|
for ( i = 0; mod->sm_bvalues[i].bv_val != NULL; i++ ) {
|
|
int rc;
|
|
int j;
|
|
const char *text = NULL;
|
|
struct berval asserted;
|
|
|
|
rc = value_normalize( mod->sm_desc,
|
|
SLAP_MR_EQUALITY,
|
|
&mod->sm_bvalues[i],
|
|
&asserted,
|
|
&text );
|
|
|
|
if( rc != LDAP_SUCCESS ) return rc;
|
|
|
|
for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) {
|
|
int match;
|
|
int rc = value_match( &match, mod->sm_desc, mr,
|
|
SLAP_MR_VALUE_SYNTAX_MATCH,
|
|
&a->a_vals[j], &asserted, &text );
|
|
|
|
if( rc == LDAP_SUCCESS && match == 0 ) {
|
|
free( asserted.bv_val );
|
|
return LDAP_TYPE_OR_VALUE_EXISTS;
|
|
}
|
|
}
|
|
|
|
free( asserted.bv_val );
|
|
}
|
|
}
|
|
|
|
/* no - add them */
|
|
if( attr_merge( e, mod->sm_desc, mod->sm_bvalues ) != 0 ) {
|
|
/* this should return result return of attr_merge */
|
|
return LDAP_OTHER;
|
|
}
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
static int
|
|
delete_values(
|
|
Entry *e,
|
|
Modification *mod,
|
|
char *dn
|
|
)
|
|
{
|
|
int i, j, k, found;
|
|
Attribute *a;
|
|
char *desc = mod->sm_desc->ad_cname.bv_val;
|
|
MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
|
|
|
|
/* delete the entire attribute */
|
|
if ( mod->sm_bvalues == NULL ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
|
|
"delete_values: removing entire attribute %s\n", desc ));
|
|
#else
|
|
Debug( LDAP_DEBUG_ARGS, "removing entire attribute %s\n",
|
|
desc, 0, 0 );
|
|
#endif
|
|
|
|
return( attr_delete( &e->e_attrs, mod->sm_desc ) ?
|
|
LDAP_NO_SUCH_ATTRIBUTE : LDAP_SUCCESS );
|
|
}
|
|
|
|
if( mr == NULL || !mr->smr_match ) {
|
|
/* disallow specific attributes from being deleted if
|
|
no equality rule */
|
|
return LDAP_INAPPROPRIATE_MATCHING;
|
|
}
|
|
|
|
/* delete specific values - find the attribute first */
|
|
if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
|
|
"ldap_modify_delete: Could not find attribute %s\n", desc ));
|
|
#else
|
|
Debug( LDAP_DEBUG_ARGS, "ldap_modify_delete: "
|
|
"could not find attribute %s\n",
|
|
desc, 0, 0 );
|
|
#endif
|
|
|
|
return( LDAP_NO_SUCH_ATTRIBUTE );
|
|
}
|
|
|
|
/* find each value to delete */
|
|
for ( i = 0; mod->sm_bvalues[i].bv_val != NULL; i++ ) {
|
|
int rc;
|
|
const char *text = NULL;
|
|
|
|
struct berval asserted;
|
|
|
|
rc = value_normalize( mod->sm_desc,
|
|
SLAP_MR_EQUALITY,
|
|
&mod->sm_bvalues[i],
|
|
&asserted,
|
|
&text );
|
|
|
|
if( rc != LDAP_SUCCESS ) return rc;
|
|
|
|
found = 0;
|
|
for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) {
|
|
int match;
|
|
int rc = value_match( &match, mod->sm_desc, mr,
|
|
SLAP_MR_VALUE_SYNTAX_MATCH,
|
|
&a->a_vals[j], &asserted, &text );
|
|
|
|
if( rc == LDAP_SUCCESS && match != 0 ) {
|
|
continue;
|
|
}
|
|
|
|
/* found a matching value */
|
|
found = 1;
|
|
|
|
/* delete it */
|
|
free( a->a_vals[j].bv_val );
|
|
for ( k = j + 1; a->a_vals[k].bv_val != NULL; k++ ) {
|
|
a->a_vals[k - 1] = a->a_vals[k];
|
|
}
|
|
a->a_vals[k - 1].bv_val = NULL;
|
|
|
|
break;
|
|
}
|
|
|
|
free( asserted.bv_val );
|
|
|
|
/* looked through them all w/o finding it */
|
|
if ( ! found ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_ARGS,
|
|
"delete_values: could not find value for attr %s\n", desc ));
|
|
#else
|
|
Debug( LDAP_DEBUG_ARGS,
|
|
"ldbm_modify_delete: could not find value for attr %s\n",
|
|
desc, 0, 0 );
|
|
#endif
|
|
|
|
return LDAP_NO_SUCH_ATTRIBUTE;
|
|
}
|
|
}
|
|
|
|
/* if no values remain, delete the entire attribute */
|
|
if ( a->a_vals[0].bv_val == NULL ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
|
|
"delete_values: removing entire attribute %s\n", desc ));
|
|
#else
|
|
Debug( LDAP_DEBUG_ARGS,
|
|
"removing entire attribute %s\n",
|
|
desc, 0, 0 );
|
|
#endif
|
|
|
|
if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
|
|
return LDAP_NO_SUCH_ATTRIBUTE;
|
|
}
|
|
}
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
static int
|
|
replace_values(
|
|
Entry *e,
|
|
Modification *mod,
|
|
char *dn
|
|
)
|
|
{
|
|
int rc = attr_delete( &e->e_attrs, mod->sm_desc );
|
|
|
|
if( rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_ATTRIBUTE ) {
|
|
return rc;
|
|
}
|
|
|
|
if ( mod->sm_bvalues != NULL &&
|
|
attr_merge( e, mod->sm_desc, mod->sm_bvalues ) != 0 )
|
|
{
|
|
return LDAP_OTHER;
|
|
}
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|