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openldap/servers/slapd/back-sql/schema-map.c

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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1999-2010 The OpenLDAP Foundation.
* Portions Copyright 1999 Dmitry Kovalev.
* Portions Copyright 2002 Pierangelo Masarati.
* Portions Copyright 2004 Mark Adamson.
* 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>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Dmitry Kovalev for inclusion
* by OpenLDAP Software. Additional significant contributors include
* Pierangelo Masarati and Mark Adamson.
*/
#include "portable.h"
#include <stdio.h>
#include <sys/types.h>
#include "ac/string.h"
#include "lutil.h"
#include "slap.h"
#include "proto-sql.h"
#define BACKSQL_DUPLICATE (-1)
/* NOTE: by default, cannot just compare pointers because
* objectClass/attributeType order would be machine-dependent
* (and tests would fail!); however, if you don't want to run
* tests, or see attributeTypes written in the same order
* they are defined, define */
/* #undef BACKSQL_USE_PTR_CMP */
/*
* Uses the pointer to the ObjectClass structure
*/
static int
backsql_cmp_oc( const void *v_m1, const void *v_m2 )
{
const backsql_oc_map_rec *m1 = v_m1,
*m2 = v_m2;
#ifdef BACKSQL_USE_PTR_CMP
return SLAP_PTRCMP( m1->bom_oc, m2->bom_oc );
#else /* ! BACKSQL_USE_PTR_CMP */
return ber_bvcmp( &m1->bom_oc->soc_cname, &m2->bom_oc->soc_cname );
#endif /* ! BACKSQL_USE_PTR_CMP */
}
static int
backsql_cmp_oc_id( const void *v_m1, const void *v_m2 )
{
const backsql_oc_map_rec *m1 = v_m1,
*m2 = v_m2;
return ( m1->bom_id < m2->bom_id ? -1 : ( m1->bom_id > m2->bom_id ? 1 : 0 ) );
}
/*
* Uses the pointer to the AttributeDescription structure
*/
static int
backsql_cmp_attr( const void *v_m1, const void *v_m2 )
{
const backsql_at_map_rec *m1 = v_m1,
*m2 = v_m2;
if ( slap_ad_is_binary( m1->bam_ad ) || slap_ad_is_binary( m2->bam_ad ) ) {
#ifdef BACKSQL_USE_PTR_CMP
return SLAP_PTRCMP( m1->bam_ad->ad_type, m2->bam_ad->ad_type );
#else /* ! BACKSQL_USE_PTR_CMP */
return ber_bvcmp( &m1->bam_ad->ad_type->sat_cname, &m2->bam_ad->ad_type->sat_cname );
#endif /* ! BACKSQL_USE_PTR_CMP */
}
#ifdef BACKSQL_USE_PTR_CMP
return SLAP_PTRCMP( m1->bam_ad, m2->bam_ad );
#else /* ! BACKSQL_USE_PTR_CMP */
return ber_bvcmp( &m1->bam_ad->ad_cname, &m2->bam_ad->ad_cname );
#endif /* ! BACKSQL_USE_PTR_CMP */
}
int
backsql_dup_attr( void *v_m1, void *v_m2 )
{
backsql_at_map_rec *m1 = v_m1,
*m2 = v_m2;
if ( slap_ad_is_binary( m1->bam_ad ) || slap_ad_is_binary( m2->bam_ad ) ) {
#ifdef BACKSQL_USE_PTR_CMP
assert( m1->bam_ad->ad_type == m2->bam_ad->ad_type );
#else /* ! BACKSQL_USE_PTR_CMP */
assert( ber_bvcmp( &m1->bam_ad->ad_type->sat_cname, &m2->bam_ad->ad_type->sat_cname ) == 0 );
#endif /* ! BACKSQL_USE_PTR_CMP */
} else {
#ifdef BACKSQL_USE_PTR_CMP
assert( m1->bam_ad == m2->bam_ad );
#else /* ! BACKSQL_USE_PTR_CMP */
assert( ber_bvcmp( &m1->bam_ad->ad_cname, &m2->bam_ad->ad_cname ) == 0 );
#endif /* ! BACKSQL_USE_PTR_CMP */
}
/* duplicate definitions of attributeTypes are appended;
* this allows to define multiple rules for the same
* attributeType. Use with care! */
for ( ; m1->bam_next ; m1 = m1->bam_next );
m1->bam_next = m2;
m2->bam_next = NULL;
return BACKSQL_DUPLICATE;
}
static int
backsql_make_attr_query(
backsql_info *bi,
backsql_oc_map_rec *oc_map,
backsql_at_map_rec *at_map )
{
struct berbuf bb = BB_NULL;
backsql_strfcat_x( &bb, NULL, "lblbbbblblbcbl",
(ber_len_t)STRLENOF( "SELECT " ), "SELECT ",
&at_map->bam_sel_expr,
(ber_len_t)STRLENOF( " " ), " ",
&bi->sql_aliasing,
&bi->sql_aliasing_quote,
&at_map->bam_ad->ad_cname,
&bi->sql_aliasing_quote,
(ber_len_t)STRLENOF( " FROM " ), " FROM ",
&at_map->bam_from_tbls,
(ber_len_t)STRLENOF( " WHERE " ), " WHERE ",
&oc_map->bom_keytbl,
'.',
&oc_map->bom_keycol,
(ber_len_t)STRLENOF( "=?" ), "=?" );
if ( !BER_BVISNULL( &at_map->bam_join_where ) ) {
backsql_strfcat_x( &bb, NULL, "lb",
(ber_len_t)STRLENOF( " AND " ), " AND ",
&at_map->bam_join_where );
}
backsql_strfcat_x( &bb, NULL, "lbbb",
(ber_len_t)STRLENOF( " ORDER BY " ), " ORDER BY ",
&bi->sql_aliasing_quote,
&at_map->bam_ad->ad_cname,
&bi->sql_aliasing_quote );
at_map->bam_query = bb.bb_val.bv_val;
#ifdef BACKSQL_COUNTQUERY
/* Query to count how many rows will be returned.
SELECT COUNT(*) FROM <from_tbls> WHERE <keytbl>.<keycol>=?
[ AND <join_where> ]
*/
BER_BVZERO( &bb.bb_val );
bb.bb_len = 0;
backsql_strfcat_x( &bb, NULL, "lblbcbl",
(ber_len_t)STRLENOF( "SELECT COUNT(*) FROM " ),
"SELECT COUNT(*) FROM ",
&at_map->bam_from_tbls,
(ber_len_t)STRLENOF( " WHERE " ), " WHERE ",
&oc_map->bom_keytbl,
'.',
&oc_map->bom_keycol,
(ber_len_t)STRLENOF( "=?" ), "=?" );
if ( !BER_BVISNULL( &at_map->bam_join_where ) ) {
backsql_strfcat_x( &bb, NULL, "lb",
(ber_len_t)STRLENOF( " AND " ), " AND ",
&at_map->bam_join_where );
}
at_map->bam_countquery = bb.bb_val.bv_val;
#endif /* BACKSQL_COUNTQUERY */
return 0;
}
static int
backsql_add_sysmaps( backsql_info *bi, backsql_oc_map_rec *oc_map )
{
backsql_at_map_rec *at_map;
char s[LDAP_PVT_INTTYPE_CHARS(long)];
struct berval sbv;
struct berbuf bb;
sbv.bv_val = s;
sbv.bv_len = snprintf( s, sizeof( s ), BACKSQL_IDNUMFMT, oc_map->bom_id );
/* extra objectClasses */
at_map = (backsql_at_map_rec *)ch_calloc(1,
sizeof( backsql_at_map_rec ) );
at_map->bam_ad = slap_schema.si_ad_objectClass;
at_map->bam_true_ad = slap_schema.si_ad_objectClass;
ber_str2bv( "ldap_entry_objclasses.oc_name", 0, 1,
&at_map->bam_sel_expr );
ber_str2bv( "ldap_entry_objclasses,ldap_entries", 0, 1,
&at_map->bam_from_tbls );
bb.bb_len = at_map->bam_from_tbls.bv_len + 1;
bb.bb_val = at_map->bam_from_tbls;
backsql_merge_from_clause( bi, &bb, &oc_map->bom_keytbl );
at_map->bam_from_tbls = bb.bb_val;
BER_BVZERO( &bb.bb_val );
bb.bb_len = 0;
backsql_strfcat_x( &bb, NULL, "lbcblb",
(ber_len_t)STRLENOF( "ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=" ),
"ldap_entries.id=ldap_entry_objclasses.entry_id AND ldap_entries.keyval=",
&oc_map->bom_keytbl,
'.',
&oc_map->bom_keycol,
(ber_len_t)STRLENOF( " and ldap_entries.oc_map_id=" ),
" and ldap_entries.oc_map_id=",
&sbv );
at_map->bam_join_where = bb.bb_val;
at_map->bam_oc = oc_map->bom_oc;
at_map->bam_add_proc = NULL;
{
char tmp[STRLENOF("INSERT INTO ldap_entry_objclasses "
"(entry_id,oc_name) VALUES "
"((SELECT id FROM ldap_entries "
"WHERE oc_map_id= "
"AND keyval=?),?)") + LDAP_PVT_INTTYPE_CHARS(unsigned long)];
snprintf( tmp, sizeof(tmp),
"INSERT INTO ldap_entry_objclasses "
"(entry_id,oc_name) VALUES "
"((SELECT id FROM ldap_entries "
"WHERE oc_map_id=" BACKSQL_IDNUMFMT " "
"AND keyval=?),?)", oc_map->bom_id );
at_map->bam_add_proc = ch_strdup( tmp );
}
at_map->bam_delete_proc = NULL;
{
char tmp[STRLENOF("DELETE FROM ldap_entry_objclasses "
"WHERE entry_id=(SELECT id FROM ldap_entries "
"WHERE oc_map_id= "
"AND keyval=?) AND oc_name=?") + LDAP_PVT_INTTYPE_CHARS(unsigned long)];
snprintf( tmp, sizeof(tmp),
"DELETE FROM ldap_entry_objclasses "
"WHERE entry_id=(SELECT id FROM ldap_entries "
"WHERE oc_map_id=" BACKSQL_IDNUMFMT " "
"AND keyval=?) AND oc_name=?",
oc_map->bom_id );
at_map->bam_delete_proc = ch_strdup( tmp );
}
at_map->bam_param_order = 0;
at_map->bam_expect_return = 0;
at_map->bam_next = NULL;
backsql_make_attr_query( bi, oc_map, at_map );
if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) {
Debug( LDAP_DEBUG_TRACE, "backsql_add_sysmaps(): "
"duplicate attribute \"%s\" in objectClass \"%s\" map\n",
at_map->bam_ad->ad_cname.bv_val,
oc_map->bom_oc->soc_cname.bv_val, 0 );
}
/* FIXME: we need to correct the objectClass join_where
* after the attribute query is built */
ch_free( at_map->bam_join_where.bv_val );
BER_BVZERO( &bb.bb_val );
bb.bb_len = 0;
backsql_strfcat_x( &bb, NULL, "lbcblb",
(ber_len_t)STRLENOF( /* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=" ),
/* "ldap_entries.id=ldap_entry_objclasses.entry_id AND " */ "ldap_entries.keyval=",
&oc_map->bom_keytbl,
'.',
&oc_map->bom_keycol,
(ber_len_t)STRLENOF( " AND ldap_entries.oc_map_id=" ),
" AND ldap_entries.oc_map_id=",
&sbv );
at_map->bam_join_where = bb.bb_val;
return 1;
}
struct backsql_attr_schema_info {
backsql_info *bas_bi;
SQLHDBC bas_dbh;
SQLHSTMT bas_sth;
backsql_key_t *bas_oc_id;
int bas_rc;
};
static int
backsql_oc_get_attr_mapping( void *v_oc, void *v_bas )
{
RETCODE rc;
BACKSQL_ROW_NTS at_row;
backsql_oc_map_rec *oc_map = (backsql_oc_map_rec *)v_oc;
backsql_at_map_rec *at_map;
struct backsql_attr_schema_info *bas = (struct backsql_attr_schema_info *)v_bas;
/* bas->bas_oc_id has been bound to bas->bas_sth */
*bas->bas_oc_id = oc_map->bom_id;
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
"executing at_query\n"
" \"%s\"\n"
" for objectClass \"%s\"\n"
" with param oc_id=" BACKSQL_IDNUMFMT "\n",
bas->bas_bi->sql_at_query,
BACKSQL_OC_NAME( oc_map ),
*bas->bas_oc_id );
rc = SQLExecute( bas->bas_sth );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
"error executing at_query\n"
" \"%s\"\n"
" for objectClass \"%s\"\n"
" with param oc_id=" BACKSQL_IDNUMFMT "\n",
bas->bas_bi->sql_at_query,
BACKSQL_OC_NAME( oc_map ),
*bas->bas_oc_id );
backsql_PrintErrors( bas->bas_bi->sql_db_env,
bas->bas_dbh, bas->bas_sth, rc );
bas->bas_rc = LDAP_OTHER;
return BACKSQL_AVL_STOP;
}
backsql_BindRowAsStrings( bas->bas_sth, &at_row );
for ( ; rc = SQLFetch( bas->bas_sth ), BACKSQL_SUCCESS( rc ); ) {
const char *text = NULL;
struct berval bv;
struct berbuf bb = BB_NULL;
AttributeDescription *ad = NULL;
{
struct {
int idx;
char *name;
} required[] = {
{ 0, "name" },
{ 1, "sel_expr" },
{ 2, "from" },
{ -1, NULL },
};
int i;
for ( i = 0; required[ i ].name != NULL; i++ ) {
if ( at_row.value_len[ i ] <= 0 ) {
Debug( LDAP_DEBUG_ANY,
"backsql_oc_get_attr_mapping(): "
"required column #%d \"%s\" is empty\n",
required[ i ].idx, required[ i ].name, 0 );
bas->bas_rc = LDAP_OTHER;
return BACKSQL_AVL_STOP;
}
}
}
{
char buf[ SLAP_TEXT_BUFLEN ];
snprintf( buf, sizeof( buf ),
"attributeType: "
"name=\"%s\" "
"sel_expr=\"%s\" "
"from=\"%s\" "
"join_where=\"%s\" "
"add_proc=\"%s\" "
"delete_proc=\"%s\" "
"sel_expr_u=\"%s\"",
at_row.cols[ 0 ],
at_row.cols[ 1 ],
at_row.cols[ 2 ],
at_row.cols[ 3 ] ? at_row.cols[ 3 ] : "",
at_row.cols[ 4 ] ? at_row.cols[ 4 ] : "",
at_row.cols[ 5 ] ? at_row.cols[ 5 ] : "",
at_row.cols[ 8 ] ? at_row.cols[ 8 ] : "");
Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 );
}
rc = slap_str2ad( at_row.cols[ 0 ], &ad, &text );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
"attribute \"%s\" for objectClass \"%s\" "
"is not defined in schema: %s\n",
at_row.cols[ 0 ],
BACKSQL_OC_NAME( oc_map ), text );
bas->bas_rc = LDAP_CONSTRAINT_VIOLATION;
return BACKSQL_AVL_STOP;
}
at_map = (backsql_at_map_rec *)ch_calloc( 1,
sizeof( backsql_at_map_rec ) );
at_map->bam_ad = ad;
at_map->bam_true_ad = ad;
if ( slap_syntax_is_binary( ad->ad_type->sat_syntax )
&& !slap_ad_is_binary( ad ) )
{
char buf[ SLAP_TEXT_BUFLEN ];
struct berval bv;
const char *text = NULL;
bv.bv_val = buf;
bv.bv_len = snprintf( buf, sizeof( buf ), "%s;binary",
ad->ad_cname.bv_val );
at_map->bam_true_ad = NULL;
bas->bas_rc = slap_bv2ad( &bv, &at_map->bam_true_ad, &text );
if ( bas->bas_rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
"unable to fetch attribute \"%s\": %s (%d)\n",
buf, text, rc );
return BACKSQL_AVL_STOP;
}
}
ber_str2bv( at_row.cols[ 1 ], 0, 1, &at_map->bam_sel_expr );
if ( at_row.value_len[ 8 ] <= 0 ) {
BER_BVZERO( &at_map->bam_sel_expr_u );
} else {
ber_str2bv( at_row.cols[ 8 ], 0, 1,
&at_map->bam_sel_expr_u );
}
ber_str2bv( at_row.cols[ 2 ], 0, 0, &bv );
backsql_merge_from_clause( bas->bas_bi, &bb, &bv );
at_map->bam_from_tbls = bb.bb_val;
if ( at_row.value_len[ 3 ] <= 0 ) {
BER_BVZERO( &at_map->bam_join_where );
} else {
ber_str2bv( at_row.cols[ 3 ], 0, 1,
&at_map->bam_join_where );
}
at_map->bam_add_proc = NULL;
if ( at_row.value_len[ 4 ] > 0 ) {
at_map->bam_add_proc = ch_strdup( at_row.cols[ 4 ] );
}
at_map->bam_delete_proc = NULL;
if ( at_row.value_len[ 5 ] > 0 ) {
at_map->bam_delete_proc = ch_strdup( at_row.cols[ 5 ] );
}
if ( lutil_atoix( &at_map->bam_param_order, at_row.cols[ 6 ], 0 ) != 0 ) {
/* error */
}
if ( lutil_atoix( &at_map->bam_expect_return, at_row.cols[ 7 ], 0 ) != 0 ) {
/* error */
}
backsql_make_attr_query( bas->bas_bi, oc_map, at_map );
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
"preconstructed query \"%s\"\n",
at_map->bam_query, 0, 0 );
at_map->bam_next = NULL;
if ( avl_insert( &oc_map->bom_attrs, at_map, backsql_cmp_attr, backsql_dup_attr ) == BACKSQL_DUPLICATE ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_attr_mapping(): "
"duplicate attribute \"%s\" "
"in objectClass \"%s\" map\n",
at_map->bam_ad->ad_cname.bv_val,
oc_map->bom_oc->soc_cname.bv_val, 0 );
}
if ( !BER_BVISNULL( &bas->bas_bi->sql_upper_func ) &&
BER_BVISNULL( &at_map->bam_sel_expr_u ) )
{
struct berbuf bb = BB_NULL;
backsql_strfcat_x( &bb, NULL, "bcbc",
&bas->bas_bi->sql_upper_func,
'(' /* ) */ ,
&at_map->bam_sel_expr,
/* ( */ ')' );
at_map->bam_sel_expr_u = bb.bb_val;
}
}
backsql_FreeRow( &at_row );
SQLFreeStmt( bas->bas_sth, SQL_CLOSE );
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(\"%s\"): "
"autoadding 'objectClass' and 'ref' mappings\n",
BACKSQL_OC_NAME( oc_map ), 0, 0 );
(void)backsql_add_sysmaps( bas->bas_bi, oc_map );
return BACKSQL_AVL_CONTINUE;
}
int
backsql_load_schema_map( backsql_info *bi, SQLHDBC dbh )
{
SQLHSTMT sth = SQL_NULL_HSTMT;
RETCODE rc;
BACKSQL_ROW_NTS oc_row;
backsql_key_t oc_id;
backsql_oc_map_rec *oc_map;
struct backsql_attr_schema_info bas;
int delete_proc_idx = 5;
int create_hint_idx = delete_proc_idx + 2;
Debug( LDAP_DEBUG_TRACE, "==>backsql_load_schema_map()\n", 0, 0, 0 );
/*
* TimesTen : See if the ldap_entries.dn_ru field exists in the schema
*/
if ( !BACKSQL_DONTCHECK_LDAPINFO_DN_RU( bi ) ) {
rc = backsql_Prepare( dbh, &sth,
backsql_check_dn_ru_query, 0 );
if ( rc == SQL_SUCCESS ) {
/* Yes, the field exists */
bi->sql_flags |= BSQLF_HAS_LDAPINFO_DN_RU;
Debug( LDAP_DEBUG_TRACE, "ldapinfo.dn_ru field exists "
"in the schema\n", 0, 0, 0 );
} else {
/* No such field exists */
bi->sql_flags &= ~BSQLF_HAS_LDAPINFO_DN_RU;
}
SQLFreeStmt( sth, SQL_DROP );
}
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): oc_query \"%s\"\n",
bi->sql_oc_query, 0, 0 );
rc = backsql_Prepare( dbh, &sth, bi->sql_oc_query, 0 );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
"error preparing oc_query: \"%s\"\n",
bi->sql_oc_query, 0, 0 );
backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
return LDAP_OTHER;
}
rc = SQLExecute( sth );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
"error executing oc_query: \n", 0, 0, 0 );
backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
return LDAP_OTHER;
}
backsql_BindRowAsStrings( sth, &oc_row );
rc = SQLFetch( sth );
if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
delete_proc_idx++;
create_hint_idx++;
}
for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( sth ) ) {
{
struct {
int idx;
char *name;
} required[] = {
{ 0, "id" },
{ 1, "name" },
{ 2, "keytbl" },
{ 3, "keycol" },
{ -1, "expect_return" },
{ -1, NULL },
};
int i;
required[4].idx = delete_proc_idx + 1;
for ( i = 0; required[ i ].name != NULL; i++ ) {
if ( oc_row.value_len[ required[ i ].idx ] <= 0 ) {
Debug( LDAP_DEBUG_ANY,
"backsql_load_schema_map(): "
"required column #%d \"%s\" is empty\n",
required[ i ].idx, required[ i ].name, 0 );
return LDAP_OTHER;
}
}
}
{
char buf[ SLAP_TEXT_BUFLEN ];
snprintf( buf, sizeof( buf ),
"objectClass: "
"id=\"%s\" "
"name=\"%s\" "
"keytbl=\"%s\" "
"keycol=\"%s\" "
"create_proc=\"%s\" "
"create_keyval=\"%s\" "
"delete_proc=\"%s\" "
"expect_return=\"%s\""
"create_hint=\"%s\" ",
oc_row.cols[ 0 ],
oc_row.cols[ 1 ],
oc_row.cols[ 2 ],
oc_row.cols[ 3 ],
oc_row.cols[ 4 ] ? oc_row.cols[ 4 ] : "",
( BACKSQL_CREATE_NEEDS_SELECT( bi ) && oc_row.cols[ 5 ] ) ? oc_row.cols[ 5 ] : "",
oc_row.cols[ delete_proc_idx ] ? oc_row.cols[ delete_proc_idx ] : "",
oc_row.cols[ delete_proc_idx + 1 ],
( ( oc_row.ncols > create_hint_idx ) && oc_row.cols[ create_hint_idx ] ) ? oc_row.cols[ create_hint_idx ] : "" );
Debug( LDAP_DEBUG_TRACE, "%s\n", buf, 0, 0 );
}
oc_map = (backsql_oc_map_rec *)ch_calloc( 1,
sizeof( backsql_oc_map_rec ) );
if ( BACKSQL_STR2ID( &oc_map->bom_id, oc_row.cols[ 0 ], 0 ) != 0 ) {
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
"unable to parse id=\"%s\"\n",
oc_row.cols[ 0 ], 0, 0 );
return LDAP_OTHER;
}
oc_map->bom_oc = oc_find( oc_row.cols[ 1 ] );
if ( oc_map->bom_oc == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
"objectClass \"%s\" is not defined in schema\n",
oc_row.cols[ 1 ], 0, 0 );
return LDAP_OTHER; /* undefined objectClass ? */
}
ber_str2bv( oc_row.cols[ 2 ], 0, 1, &oc_map->bom_keytbl );
ber_str2bv( oc_row.cols[ 3 ], 0, 1, &oc_map->bom_keycol );
oc_map->bom_create_proc = ( oc_row.value_len[ 4 ] <= 0 ) ? NULL
: ch_strdup( oc_row.cols[ 4 ] );
if ( BACKSQL_CREATE_NEEDS_SELECT( bi ) ) {
oc_map->bom_create_keyval = ( oc_row.value_len[ 5 ] <= 0 )
? NULL : ch_strdup( oc_row.cols[ 5 ] );
}
oc_map->bom_delete_proc = ( oc_row.value_len[ delete_proc_idx ] <= 0 ) ? NULL
: ch_strdup( oc_row.cols[ delete_proc_idx ] );
if ( lutil_atoix( &oc_map->bom_expect_return, oc_row.cols[ delete_proc_idx + 1 ], 0 ) != 0 ) {
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
"unable to parse expect_return=\"%s\" for objectClass \"%s\"\n",
oc_row.cols[ delete_proc_idx + 1 ], oc_row.cols[ 1 ], 0 );
return LDAP_OTHER;
}
if ( ( oc_row.ncols > create_hint_idx ) &&
( oc_row.value_len[ create_hint_idx ] > 0 ) )
{
const char *text;
oc_map->bom_create_hint = NULL;
rc = slap_str2ad( oc_row.cols[ create_hint_idx ],
&oc_map->bom_create_hint, &text );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "load_schema_map(): "
"error matching "
"AttributeDescription %s "
"in create_hint: %s (%d)\n",
oc_row.cols[ create_hint_idx ],
text, rc );
backsql_PrintErrors( bi->sql_db_env, dbh,
sth, rc );
return LDAP_OTHER;
}
}
/*
* FIXME: first attempt to check for offending
* instructions in {create|delete}_proc
*/
oc_map->bom_attrs = NULL;
if ( avl_insert( &bi->sql_oc_by_oc, oc_map, backsql_cmp_oc, avl_dup_error ) == -1 ) {
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
"duplicate objectClass \"%s\" in objectClass map\n",
oc_map->bom_oc->soc_cname.bv_val, 0, 0 );
return LDAP_OTHER;
}
if ( avl_insert( &bi->sql_oc_by_id, oc_map, backsql_cmp_oc_id, avl_dup_error ) == -1 ) {
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
"duplicate objectClass \"%s\" in objectClass by ID map\n",
oc_map->bom_oc->soc_cname.bv_val, 0, 0 );
return LDAP_OTHER;
}
oc_id = oc_map->bom_id;
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
"objectClass \"%s\":\n keytbl=\"%s\" keycol=\"%s\"\n",
BACKSQL_OC_NAME( oc_map ),
oc_map->bom_keytbl.bv_val, oc_map->bom_keycol.bv_val );
if ( oc_map->bom_create_proc ) {
Debug( LDAP_DEBUG_TRACE, " create_proc=\"%s\"\n",
oc_map->bom_create_proc, 0, 0 );
}
if ( oc_map->bom_create_keyval ) {
Debug( LDAP_DEBUG_TRACE, " create_keyval=\"%s\"\n",
oc_map->bom_create_keyval, 0, 0 );
}
if ( oc_map->bom_create_hint ) {
Debug( LDAP_DEBUG_TRACE, " create_hint=\"%s\"\n",
oc_map->bom_create_hint->ad_cname.bv_val,
0, 0 );
}
if ( oc_map->bom_delete_proc ) {
Debug( LDAP_DEBUG_TRACE, " delete_proc=\"%s\"\n",
oc_map->bom_delete_proc, 0, 0 );
}
Debug( LDAP_DEBUG_TRACE, " expect_return: "
"add=%d, del=%d; attributes:\n",
BACKSQL_IS_ADD( oc_map->bom_expect_return ),
BACKSQL_IS_DEL( oc_map->bom_expect_return ), 0 );
}
backsql_FreeRow( &oc_row );
SQLFreeStmt( sth, SQL_DROP );
/* prepare for attribute fetching */
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): at_query \"%s\"\n",
bi->sql_at_query, 0, 0 );
rc = backsql_Prepare( dbh, &sth, bi->sql_at_query, 0 );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
"error preparing at_query: \"%s\"\n",
bi->sql_at_query, 0, 0 );
backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
return LDAP_OTHER;
}
rc = backsql_BindParamNumID( sth, 1, SQL_PARAM_INPUT, &oc_id );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_load_schema_map(): "
"error binding param \"oc_id\" for at_query\n", 0, 0, 0 );
backsql_PrintErrors( bi->sql_db_env, dbh, sth, rc );
SQLFreeStmt( sth, SQL_DROP );
return LDAP_OTHER;
}
bas.bas_bi = bi;
bas.bas_dbh = dbh;
bas.bas_sth = sth;
bas.bas_oc_id = &oc_id;
bas.bas_rc = LDAP_SUCCESS;
(void)avl_apply( bi->sql_oc_by_oc, backsql_oc_get_attr_mapping,
&bas, BACKSQL_AVL_STOP, AVL_INORDER );
SQLFreeStmt( sth, SQL_DROP );
bi->sql_flags |= BSQLF_SCHEMA_LOADED;
Debug( LDAP_DEBUG_TRACE, "<==backsql_load_schema_map()\n", 0, 0, 0 );
return bas.bas_rc;
}
backsql_oc_map_rec *
backsql_oc2oc( backsql_info *bi, ObjectClass *oc )
{
backsql_oc_map_rec tmp, *res;
#ifdef BACKSQL_TRACE
Debug( LDAP_DEBUG_TRACE, "==>backsql_oc2oc(): "
"searching for objectclass with name=\"%s\"\n",
oc->soc_cname.bv_val, 0, 0 );
#endif /* BACKSQL_TRACE */
tmp.bom_oc = oc;
res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc );
#ifdef BACKSQL_TRACE
if ( res != NULL ) {
Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
"found name=\"%s\", id=%d\n",
BACKSQL_OC_NAME( res ), res->bom_id, 0 );
} else {
Debug( LDAP_DEBUG_TRACE, "<==backsql_oc2oc(): "
"not found\n", 0, 0, 0 );
}
#endif /* BACKSQL_TRACE */
return res;
}
backsql_oc_map_rec *
backsql_name2oc( backsql_info *bi, struct berval *oc_name )
{
backsql_oc_map_rec tmp, *res;
#ifdef BACKSQL_TRACE
Debug( LDAP_DEBUG_TRACE, "==>oc_with_name(): "
"searching for objectclass with name=\"%s\"\n",
oc_name->bv_val, 0, 0 );
#endif /* BACKSQL_TRACE */
tmp.bom_oc = oc_bvfind( oc_name );
if ( tmp.bom_oc == NULL ) {
return NULL;
}
res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_oc, &tmp, backsql_cmp_oc );
#ifdef BACKSQL_TRACE
if ( res != NULL ) {
Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
"found name=\"%s\", id=%d\n",
BACKSQL_OC_NAME( res ), res->bom_id, 0 );
} else {
Debug( LDAP_DEBUG_TRACE, "<==oc_with_name(): "
"not found\n", 0, 0, 0 );
}
#endif /* BACKSQL_TRACE */
return res;
}
backsql_oc_map_rec *
backsql_id2oc( backsql_info *bi, unsigned long id )
{
backsql_oc_map_rec tmp, *res;
#ifdef BACKSQL_TRACE
Debug( LDAP_DEBUG_TRACE, "==>oc_with_id(): "
"searching for objectclass with id=%lu\n", id, 0, 0 );
#endif /* BACKSQL_TRACE */
tmp.bom_id = id;
res = (backsql_oc_map_rec *)avl_find( bi->sql_oc_by_id, &tmp,
backsql_cmp_oc_id );
#ifdef BACKSQL_TRACE
if ( res != NULL ) {
Debug( LDAP_DEBUG_TRACE, "<==oc_with_id(): "
"found name=\"%s\", id=%lu\n",
BACKSQL_OC_NAME( res ), res->bom_id, 0 );
} else {
Debug( LDAP_DEBUG_TRACE, "<==oc_with_id(): "
"id=%lu not found\n", res->bom_id, 0, 0 );
}
#endif /* BACKSQL_TRACE */
return res;
}
backsql_at_map_rec *
backsql_ad2at( backsql_oc_map_rec* objclass, AttributeDescription *ad )
{
backsql_at_map_rec tmp = { 0 }, *res;
#ifdef BACKSQL_TRACE
Debug( LDAP_DEBUG_TRACE, "==>backsql_ad2at(): "
"searching for attribute \"%s\" for objectclass \"%s\"\n",
ad->ad_cname.bv_val, BACKSQL_OC_NAME( objclass ), 0 );
#endif /* BACKSQL_TRACE */
tmp.bam_ad = ad;
res = (backsql_at_map_rec *)avl_find( objclass->bom_attrs, &tmp,
backsql_cmp_attr );
#ifdef BACKSQL_TRACE
if ( res != NULL ) {
Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
"found name=\"%s\", sel_expr=\"%s\"\n",
res->bam_ad->ad_cname.bv_val,
res->bam_sel_expr.bv_val, 0 );
} else {
Debug( LDAP_DEBUG_TRACE, "<==backsql_ad2at(): "
"not found\n", 0, 0, 0 );
}
#endif /* BACKSQL_TRACE */
return res;
}
/* attributeType inheritance */
struct supad2at_t {
backsql_at_map_rec **ret;
AttributeDescription *ad;
unsigned n;
};
#define SUPAD2AT_STOP (-1)
static int
supad2at_f( void *v_at, void *v_arg )
{
backsql_at_map_rec *at = (backsql_at_map_rec *)v_at;
struct supad2at_t *va = (struct supad2at_t *)v_arg;
if ( is_at_subtype( at->bam_ad->ad_type, va->ad->ad_type ) ) {
backsql_at_map_rec **ret = NULL;
unsigned i;
/* if already listed, holler! (should never happen) */
if ( va->ret ) {
for ( i = 0; i < va->n; i++ ) {
if ( va->ret[ i ]->bam_ad == at->bam_ad ) {
break;
}
}
if ( i < va->n ) {
return 0;
}
}
ret = ch_realloc( va->ret,
sizeof( backsql_at_map_rec * ) * ( va->n + 2 ) );
if ( ret == NULL ) {
ch_free( va->ret );
va->ret = NULL;
va->n = 0;
return SUPAD2AT_STOP;
}
ret[ va->n ] = at;
va->n++;
ret[ va->n ] = NULL;
va->ret = ret;
}
return 0;
}
/*
* stores in *pret a NULL terminated array of pointers
* to backsql_at_map_rec whose attributeType is supad->ad_type
* or derived from it
*/
int
backsql_supad2at( backsql_oc_map_rec *objclass, AttributeDescription *supad,
backsql_at_map_rec ***pret )
{
struct supad2at_t va = { 0 };
int rc;
assert( objclass != NULL );
assert( supad != NULL );
assert( pret != NULL );
*pret = NULL;
va.ad = supad;
rc = avl_apply( objclass->bom_attrs, supad2at_f, &va,
SUPAD2AT_STOP, AVL_INORDER );
if ( rc == SUPAD2AT_STOP ) {
return -1;
}
*pret = va.ret;
return 0;
}
static void
backsql_free_attr( void *v_at )
{
backsql_at_map_rec *at = v_at;
Debug( LDAP_DEBUG_TRACE, "==>free_attr(): \"%s\"\n",
at->bam_ad->ad_cname.bv_val, 0, 0 );
ch_free( at->bam_sel_expr.bv_val );
if ( !BER_BVISNULL( &at->bam_from_tbls ) ) {
ch_free( at->bam_from_tbls.bv_val );
}
if ( !BER_BVISNULL( &at->bam_join_where ) ) {
ch_free( at->bam_join_where.bv_val );
}
if ( at->bam_add_proc != NULL ) {
ch_free( at->bam_add_proc );
}
if ( at->bam_delete_proc != NULL ) {
ch_free( at->bam_delete_proc );
}
if ( at->bam_query != NULL ) {
ch_free( at->bam_query );
}
#ifdef BACKSQL_COUNTQUERY
if ( at->bam_countquery != NULL ) {
ch_free( at->bam_countquery );
}
#endif /* BACKSQL_COUNTQUERY */
/* TimesTen */
if ( !BER_BVISNULL( &at->bam_sel_expr_u ) ) {
ch_free( at->bam_sel_expr_u.bv_val );
}
if ( at->bam_next ) {
backsql_free_attr( at->bam_next );
}
ch_free( at );
Debug( LDAP_DEBUG_TRACE, "<==free_attr()\n", 0, 0, 0 );
}
static void
backsql_free_oc( void *v_oc )
{
backsql_oc_map_rec *oc = v_oc;
Debug( LDAP_DEBUG_TRACE, "==>free_oc(): \"%s\"\n",
BACKSQL_OC_NAME( oc ), 0, 0 );
avl_free( oc->bom_attrs, backsql_free_attr );
ch_free( oc->bom_keytbl.bv_val );
ch_free( oc->bom_keycol.bv_val );
if ( oc->bom_create_proc != NULL ) {
ch_free( oc->bom_create_proc );
}
if ( oc->bom_create_keyval != NULL ) {
ch_free( oc->bom_create_keyval );
}
if ( oc->bom_delete_proc != NULL ) {
ch_free( oc->bom_delete_proc );
}
ch_free( oc );
Debug( LDAP_DEBUG_TRACE, "<==free_oc()\n", 0, 0, 0 );
}
int
backsql_destroy_schema_map( backsql_info *bi )
{
Debug( LDAP_DEBUG_TRACE, "==>destroy_schema_map()\n", 0, 0, 0 );
avl_free( bi->sql_oc_by_oc, 0 );
avl_free( bi->sql_oc_by_id, backsql_free_oc );
Debug( LDAP_DEBUG_TRACE, "<==destroy_schema_map()\n", 0, 0, 0 );
return 0;
}
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