openldap/servers/slapd/add.c

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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
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/*
* 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.
*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
#include <ac/time.h>
#include <ac/socket.h>
#include "ldap_pvt.h"
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#include "slap.h"
#include "slapi.h"
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#ifdef LDAP_SLAPI
static Slapi_PBlock *initAddPlugin( Backend *be, Connection *conn, Operation *op,
struct berval *dn, Entry *e, int manageDSAit );
static int doPreAddPluginFNs( Backend *be, Slapi_PBlock *pb );
static void doPostAddPluginFNs( Backend *be, Slapi_PBlock *pb );
#endif /* LDAP_SLAPI */
int
do_add( Connection *conn, Operation *op )
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{
BerElement *ber = op->o_ber;
char *last;
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struct berval dn = { 0, NULL };
ber_len_t len;
ber_tag_t tag;
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Entry *e;
Backend *be;
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Modifications *modlist = NULL;
Modifications **modtail = &modlist;
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Modifications tmp;
const char *text;
int rc = LDAP_SUCCESS;
int manageDSAit;
#ifdef LDAP_SLAPI
Slapi_PBlock *pb = NULL;
#endif /* LDAP_SLAPI */
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ENTRY, "do_add: conn %d enter\n", conn->c_connid,0,0 );
#else
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Debug( LDAP_DEBUG_TRACE, "do_add\n", 0, 0, 0 );
#endif
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/*
* Parse the add request. It looks like this:
*
* AddRequest := [APPLICATION 14] SEQUENCE {
* name DistinguishedName,
* attrs SEQUENCE OF SEQUENCE {
* type AttributeType,
* values SET OF AttributeValue
* }
* }
*/
/* get the name */
if ( ber_scanf( ber, "{m", /*}*/ &dn ) == LBER_ERROR ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_add: conn %d ber_scanf failed\n", conn->c_connid,0,0 );
#else
Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
return -1;
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}
e = (Entry *) ch_calloc( 1, sizeof(Entry) );
rc = dnPrettyNormal( NULL, &dn, &e->e_name, &e->e_nname );
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if( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_add: conn %d invalid dn (%s)\n", conn->c_connid, dn.bv_val, 0 );
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#else
Debug( LDAP_DEBUG_ANY, "do_add: invalid dn (%s)\n", dn.bv_val, 0, 0 );
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#endif
send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
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"invalid DN", NULL, NULL );
goto done;
}
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ARGS,
"do_add: conn %d dn (%s)\n", conn->c_connid, e->e_dn, 0 );
#else
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Debug( LDAP_DEBUG_ARGS, "do_add: dn (%s)\n", e->e_dn, 0, 0 );
#endif
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/* get the attrs */
for ( tag = ber_first_element( ber, &len, &last ); tag != LBER_DEFAULT;
tag = ber_next_element( ber, &len, last ) )
{
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Modifications *mod;
ber_tag_t rtag;
rtag = ber_scanf( ber, "{m{W}}", &tmp.sml_type, &tmp.sml_bvalues );
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if ( rtag == LBER_ERROR ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_add: conn %d decoding error \n", conn->c_connid, 0, 0 );
#else
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Debug( LDAP_DEBUG_ANY, "do_add: decoding error\n", 0, 0, 0 );
#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
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rc = -1;
goto done;
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}
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if ( tmp.sml_bvalues == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
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"do_add: conn %d no values for type %s\n",
conn->c_connid, tmp.sml_type.bv_val, 0 );
#else
Debug( LDAP_DEBUG_ANY, "no values for type %s\n",
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tmp.sml_type.bv_val, 0, 0 );
#endif
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send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
NULL, "no values for attribute type", NULL, NULL );
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goto done;
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}
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mod = (Modifications *) ch_malloc( sizeof(Modifications) );
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mod->sml_op = LDAP_MOD_ADD;
mod->sml_next = NULL;
mod->sml_desc = NULL;
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mod->sml_type = tmp.sml_type;
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mod->sml_bvalues = tmp.sml_bvalues;
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*modtail = mod;
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modtail = &mod->sml_next;
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}
if ( ber_scanf( ber, /*{*/ "}") == LBER_ERROR ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, ERR,
"do_add: conn %d ber_scanf failed\n", conn->c_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_add: ber_scanf failed\n", 0, 0, 0 );
#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
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rc = -1;
goto done;
}
if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
"do_add: conn %d get_ctrls failed\n", conn->c_connid, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
#endif
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goto done;
}
if ( modlist == NULL ) {
send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
NULL, "no attributes provided", NULL, NULL );
goto done;
}
Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu ADD dn=\"%s\"\n",
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op->o_connid, op->o_opid, e->e_dn, 0, 0 );
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if( e->e_nname.bv_len == 0 ) {
/* protocolError may be a more appropriate error */
send_ldap_result( conn, op, rc = LDAP_ALREADY_EXISTS,
NULL, "root DSE already exists",
NULL, NULL );
goto done;
} else if ( bvmatch( &e->e_nname, &global_schemandn ) ) {
send_ldap_result( conn, op, rc = LDAP_ALREADY_EXISTS,
NULL, "subschema subentry already exists",
NULL, NULL );
goto done;
}
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manageDSAit = get_manageDSAit( op );
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/*
* 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.
*/
be = select_backend( &e->e_nname, manageDSAit, 0 );
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if ( be == NULL ) {
BerVarray ref = referral_rewrite( default_referral,
NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
send_ldap_result( conn, op, rc = LDAP_REFERRAL,
NULL, NULL, ref ? ref : default_referral, NULL );
if ( ref ) ber_bvarray_free( ref );
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goto done;
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}
/* check restrictions */
rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
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goto done;
}
/* check for referrals */
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rc = backend_check_referrals( be, conn, op, &e->e_name, &e->e_nname );
if ( rc != LDAP_SUCCESS ) {
goto done;
}
#ifdef LDAP_SLAPI
pb = initAddPlugin( be, conn, op, &dn, e, manageDSAit );
#endif /* LDAP_SLAPI */
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/*
* do the add if 1 && (2 || 3)
* 1) there is an add function implemented in this backend;
* 2) this backend is master for what it holds;
* 3) it's a replica and the dn supplied is the updatedn.
*/
if ( be->be_add ) {
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/* do the update here */
int repl_user = be_isupdate(be, &op->o_ndn );
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#ifndef SLAPD_MULTIMASTER
if ( !be->be_update_ndn.bv_len || repl_user )
#endif
{
int update = be->be_update_ndn.bv_len;
char textbuf[SLAP_TEXT_BUFLEN];
size_t textlen = sizeof textbuf;
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rc = slap_mods_check( modlist, update, &text,
textbuf, textlen );
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto done;
}
if ( !repl_user ) {
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for( modtail = &modlist;
*modtail != NULL;
modtail = &(*modtail)->sml_next )
{
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assert( (*modtail)->sml_op == LDAP_MOD_ADD );
assert( (*modtail)->sml_desc != NULL );
}
rc = slap_mods_opattrs( be, op, modlist, modtail, &text,
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textbuf, textlen );
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
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goto done;
}
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}
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rc = slap_mods2entry( modlist, &e, repl_user, &text,
textbuf, textlen );
if( rc != LDAP_SUCCESS ) {
send_ldap_result( conn, op, rc,
NULL, text, NULL, NULL );
goto done;
}
#ifdef LDAP_SLAPI
/*
* Call the preoperation plugin here, because the entry
* will actually contain something.
*/
rc = doPreAddPluginFNs( be, pb );
if ( rc != LDAP_SUCCESS ) {
/* plugin will have sent result */
goto done;
}
#endif /* LDAP_SLAPI */
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if ( (*be->be_add)( be, conn, op, e ) == 0 ) {
#ifdef SLAPD_MULTIMASTER
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if ( !repl_user )
#endif
{
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replog( be, op, &e->e_name, &e->e_nname, e );
}
be_entry_release_w( be, conn, op, e );
e = NULL;
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}
#ifndef SLAPD_MULTIMASTER
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} else {
BerVarray defref;
BerVarray ref;
#ifdef LDAP_SLAPI
/*
* SLAPI_ADD_ENTRY will be empty, but this may be acceptable
* on replicas (for now, it involves the minimum code intrusion).
*/
rc = doPreAddPluginFNs( be, pb );
if ( rc != LDAP_SUCCESS ) {
/* plugin will have sent result */
goto done;
}
#endif /* LDAP_SLAPI */
defref = be->be_update_refs
? be->be_update_refs : default_referral;
ref = referral_rewrite( defref,
NULL, &e->e_name, LDAP_SCOPE_DEFAULT );
send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
ref ? ref : defref, NULL );
if ( ref ) ber_bvarray_free( ref );
#endif /* SLAPD_MULTIMASTER */
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}
} else {
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#ifdef LDAP_SLAPI
rc = doPreAddPluginFNs( be, pb );
if ( rc != LDAP_SUCCESS ) {
/* plugin will have sent result */
goto done;
}
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#endif
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO,
"do_add: conn %d no backend support\n", conn->c_connid, 0, 0 );
#else
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Debug( LDAP_DEBUG_ARGS, " do_add: no backend support\n", 0, 0, 0 );
#endif
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send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
NULL, "operation not supported within namingContext", NULL, NULL );
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}
#ifdef LDAP_SLAPI
doPostAddPluginFNs( be, pb );
#endif /* LDAP_SLAPI */
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done:
if( modlist != NULL ) {
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slap_mods_free( modlist );
}
if( e != NULL ) {
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entry_free( e );
}
return rc;
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}
int
slap_mods2entry(
Modifications *mods,
Entry **e,
int repl_user,
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const char **text,
char *textbuf, size_t textlen )
{
Attribute **tail = &(*e)->e_attrs;
assert( *tail == NULL );
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*text = textbuf;
for( ; mods != NULL; mods = mods->sml_next ) {
Attribute *attr;
assert( mods->sml_op == LDAP_MOD_ADD );
assert( mods->sml_desc != NULL );
attr = attr_find( (*e)->e_attrs, mods->sml_desc );
if( attr != NULL ) {
#define SLURPD_FRIENDLY
#ifdef SLURPD_FRIENDLY
ber_len_t i,j;
if( !repl_user ) {
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snprintf( textbuf, textlen,
"attribute '%s' provided more than once",
mods->sml_desc->ad_cname.bv_val );
return LDAP_TYPE_OR_VALUE_EXISTS;
}
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for( i=0; attr->a_vals[i].bv_val; i++ ) {
/* count them */
}
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for( j=0; mods->sml_bvalues[j].bv_val; j++ ) {
/* count them */
}
j++; /* NULL */
attr->a_vals = ch_realloc( attr->a_vals,
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sizeof( struct berval ) * (i+j) );
/* should check for duplicates */
AC_MEMCPY( &attr->a_vals[i], mods->sml_bvalues,
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sizeof( struct berval ) * j );
/* trim the mods array */
ch_free( mods->sml_bvalues );
mods->sml_bvalues = NULL;
continue;
#else
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snprintf( textbuf, textlen,
"attribute '%s' provided more than once",
mods->sml_desc->ad_cname.bv_val );
return LDAP_TYPE_OR_VALUE_EXISTS;
#endif
}
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if( mods->sml_bvalues[1].bv_val != NULL ) {
/* check for duplicates */
int i, j;
MatchingRule *mr = mods->sml_desc->ad_type->sat_equality;
/* check if the values we're adding already exist */
if( mr == NULL || !mr->smr_match ) {
for ( i = 0; mods->sml_bvalues[i].bv_val != NULL; i++ ) {
/* test asserted values against themselves */
for( j = 0; j < i; j++ ) {
if ( bvmatch( &mods->sml_bvalues[i],
&mods->sml_bvalues[j] ) ) {
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/* value exists already */
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snprintf( textbuf, textlen,
"%s: value #%d provided more than once",
mods->sml_desc->ad_cname.bv_val, j );
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return LDAP_TYPE_OR_VALUE_EXISTS;
}
}
}
} else {
int rc;
const char *text = NULL;
char textbuf[ SLAP_TEXT_BUFLEN ] = { '\0' };
rc = modify_check_duplicates( mods->sml_desc, mr,
NULL, mods->sml_bvalues, 0,
&text, textbuf, sizeof( textbuf ) );
if ( rc != LDAP_SUCCESS ) {
return rc;
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}
}
}
attr = ch_calloc( 1, sizeof(Attribute) );
/* move ad to attr structure */
attr->a_desc = mods->sml_desc;
mods->sml_desc = NULL;
/* move values to attr structure */
/* should check for duplicates */
attr->a_vals = mods->sml_bvalues;
mods->sml_bvalues = NULL;
*tail = attr;
tail = &attr->a_next;
}
return LDAP_SUCCESS;
}
#ifdef LDAP_SLAPI
static Slapi_PBlock *initAddPlugin( Backend *be, Connection *conn, Operation *op,
struct berval *dn, Entry *e, int manageDSAit )
{
Slapi_PBlock *pb;
pb = op->o_pb;
slapi_x_backend_set_pb( pb, be );
slapi_x_connection_set_pb( pb, conn );
slapi_x_operation_set_pb( pb, op );
slapi_pblock_set( pb, SLAPI_ADD_TARGET, (void *)dn->bv_val );
slapi_pblock_set( pb, SLAPI_ADD_ENTRY, (void *)e );
slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit );
return pb;
}
static int doPreAddPluginFNs( Backend *be, Slapi_PBlock *pb )
{
int rc;
rc = doPluginFNs( be, SLAPI_PLUGIN_PRE_ADD_FN, pb );
if ( rc != 0 ) {
/*
* A preoperation plugin failure will abort the
* entire operation.
*/
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO, "do_add: add preoperation plugin failed\n",
0, 0, 0);
#else
Debug(LDAP_DEBUG_TRACE, "do_add: add preoperation plugin failed.\n",
0, 0, 0);
if ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&rc ) != 0 )
rc = LDAP_OTHER;
#endif
} else {
rc = LDAP_SUCCESS;
}
return rc;
}
static void doPostAddPluginFNs( Backend *be, Slapi_PBlock *pb )
{
int rc;
rc = doPluginFNs( be, SLAPI_PLUGIN_POST_ADD_FN, pb );
if ( rc != 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG( OPERATION, INFO, "do_add: add postoperation plugin failed\n",
0, 0, 0);
#else
Debug(LDAP_DEBUG_TRACE, "do_add: add preoperation plugin failed.\n",
0, 0, 0);
#endif
}
}
#endif /* LDAP_SLAPI */