#include "portable.h"
#ifdef SLAPD_SQL
#include <stdio.h>
#include <sys/types.h>
#include "ac/string.h"
#include "slap.h"
#include "lber_pvt.h"
#include "ldap_pvt.h"
#include "back-sql.h"
#include "sql-wrap.h"
#include "schema-map.h"
#include "entry-id.h"
#include "util.h"
#define BACKSQL_STOP 0
#define BACKSQL_CONTINUE 1
static int backsql_process_filter( backsql_srch_info *bsi, Filter *f );
static int
backsql_attrlist_add( backsql_srch_info *bsi, AttributeDescription *ad )
{
int n_attrs = 0;
AttributeName *an = NULL;
if ( bsi->attrs == NULL ) {
return 1;
}
if ( ad == NULL ) {
ch_free( bsi->attrs );
bsi->attrs = NULL;
return 1;
}
for ( ; bsi->attrs[ n_attrs ].an_name.bv_val; n_attrs++ ) {
an = &bsi->attrs[ n_attrs ];
Debug( LDAP_DEBUG_TRACE, "==>backsql_attrlist_add(): "
"attribute '%s' is in list\n",
an->an_name.bv_val, 0, 0 );
if ( !BACKSQL_NCMP( &an->an_name, &ad->ad_cname ) ) {
return 1;
}
}
Debug( LDAP_DEBUG_TRACE, "==>backsql_attrlist_add(): "
"adding '%s' to list\n", ad->ad_cname.bv_val, 0, 0 );
an = (AttributeName *)ch_realloc( bsi->attrs,
sizeof( AttributeName ) * ( n_attrs + 2 ) );
if ( an == NULL ) {
return -1;
}
an[ n_attrs ].an_name = ad->ad_cname;
an[ n_attrs ].an_desc = ad;
an[ n_attrs + 1 ].an_name.bv_val = NULL;
an[ n_attrs + 1 ].an_name.bv_len = 0;
bsi->attrs = an;
return 1;
}
void
backsql_init_search(
backsql_srch_info *bsi,
backsql_info *bi,
struct berval *nbase,
int scope,
int slimit,
int tlimit,
time_t stoptime,
Filter *filter,
SQLHDBC dbh,
BackendDB *be,
Connection *conn,
Operation *op,
AttributeName *attrs )
{
AttributeName *p;
bsi->base_dn = nbase;
bsi->scope = scope;
bsi->slimit = slimit;
bsi->tlimit = tlimit;
bsi->filter = filter;
bsi->dbh = dbh;
bsi->be = be;
bsi->conn = conn;
bsi->op = op;
bsi->bsi_flags = 0;
if ( attrs == NULL || an_find( attrs, &AllUser ) ) {
bsi->attrs = NULL;
} else {
bsi->attrs = (AttributeName *)ch_calloc( 1,
sizeof( AttributeName ) );
bsi->attrs[ 0 ].an_name.bv_val = NULL;
bsi->attrs[ 0 ].an_name.bv_len = 0;
for ( p = attrs; p->an_name.bv_val; p++ ) {
if ( BACKSQL_NCMP( &p->an_name, &AllOper ) == 0 ) {
bsi->bsi_flags |= BSQL_SF_ALL_OPER;
continue;
} else if ( BACKSQL_NCMP( &p->an_name, &NoAttrs ) == 0 ) {
continue;
}
backsql_attrlist_add( bsi, p->an_desc );
}
}
bsi->abandon = 0;
bsi->id_list = NULL;
bsi->n_candidates = 0;
bsi->stoptime = stoptime;
bsi->bi = bi;
bsi->sel.bv_val = NULL;
bsi->sel.bv_len = 0;
bsi->sel_len = 0;
bsi->from.bv_val = NULL;
bsi->from.bv_len = 0;
bsi->from_len = 0;
bsi->join_where.bv_val = NULL;
bsi->join_where.bv_len = 0;
bsi->jwhere_len = 0;
bsi->flt_where.bv_val = NULL;
bsi->flt_where.bv_len = 0;
bsi->fwhere_len = 0;
bsi->status = LDAP_SUCCESS;
}
static int
backsql_process_filter_list( backsql_srch_info *bsi, Filter *f, int op )
{
int res;
if ( !f ) {
return 0;
}
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "c", '(' );
while ( 1 ) {
res = backsql_process_filter( bsi, f );
if ( res < 0 ) {
return -1;
}
f = f->f_next;
if ( f == NULL ) {
break;
}
switch ( op ) {
case LDAP_FILTER_AND:
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "l",
(ber_len_t)sizeof( " AND " ) - 1,
" AND " );
break;
case LDAP_FILTER_OR:
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "l",
(ber_len_t)sizeof( " OR " ) - 1,
" OR " );
break;
}
}
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "c", ')' );
return 1;
}
static int
backsql_process_sub_filter( backsql_srch_info *bsi, Filter *f )
{
int i;
backsql_at_map_rec *at;
if ( !f ) {
return 0;
}
at = backsql_ad2at( bsi->oc, f->f_sub_desc );
assert( at );
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "c", '(' );
Debug( LDAP_DEBUG_TRACE, "expr: '%s' '%s'\n", at->sel_expr.bv_val,
at->sel_expr_u.bv_val ? at->sel_expr_u.bv_val : "<NULL>", 0 );
if ( bsi->bi->upper_func.bv_val ) {
if ( at->sel_expr_u.bv_val ) {
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len,
"bl",
&at->sel_expr_u,
(ber_len_t)sizeof( " LIKE '" ) - 1,
" LIKE '" );
} else {
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len,
"bcbcl",
&bsi->bi->upper_func,
'(',
&at->sel_expr,
')',
(ber_len_t)sizeof( " LIKE '" ) - 1,
" LIKE '" );
}
} else {
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "bl",
&at->sel_expr,
(ber_len_t)sizeof( " LIKE '" ) - 1, " LIKE '" );
}
if ( f->f_sub_initial.bv_val != NULL ) {
size_t start;
start = bsi->flt_where.bv_len;
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "b",
&f->f_sub_initial );
if ( bsi->bi->upper_func.bv_val ) {
ldap_pvt_str2upper( &bsi->flt_where.bv_val[ start ] );
}
}
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "c", '%' );
if ( f->f_sub_any != NULL ) {
for ( i = 0; f->f_sub_any[ i ].bv_val != NULL; i++ ) {
size_t start;
#ifdef BACKSQL_TRACE
Debug( LDAP_DEBUG_TRACE,
"==>backsql_process_sub_filter(): "
"sub_any='%s'\n", f->f_sub_any[ i ].bv_val,
0, 0 );
#endif
start = bsi->flt_where.bv_len;
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len,
"bc",
&f->f_sub_any[ i ],
'%' );
if ( bsi->bi->upper_func.bv_val ) {
ldap_pvt_str2upper( &bsi->flt_where.bv_val[ start ] );
}
}
if ( f->f_sub_final.bv_val != NULL ) {
size_t start;
start = bsi->flt_where.bv_len;
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "b",
&f->f_sub_final );
if ( bsi->bi->upper_func.bv_val ) {
ldap_pvt_str2upper( &bsi->flt_where.bv_val[ start ] );
}
}
}
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "l",
(ber_len_t)sizeof( "')" ) - 1, "')" );
return 1;
}
static int
backsql_process_filter( backsql_srch_info *bsi, Filter *f )
{
backsql_at_map_rec *at;
backsql_at_map_rec oc_attr = {
slap_schema.si_ad_objectClass, BER_BVC(""), BER_BVC(""),
BER_BVNULL, NULL, NULL, NULL };
AttributeDescription *ad = NULL;
int done = 0;
ber_len_t len = 0;
int rc = 0;
struct berval *filter_value = NULL;
Debug( LDAP_DEBUG_TRACE, "==>backsql_process_filter()\n", 0, 0, 0 );
if ( f == NULL || f->f_choice == SLAPD_FILTER_COMPUTED ) {
return 0;
}
switch( f->f_choice ) {
case LDAP_FILTER_OR:
rc = backsql_process_filter_list( bsi, f->f_or,
LDAP_FILTER_OR );
done = 1;
break;
case LDAP_FILTER_AND:
rc = backsql_process_filter_list( bsi, f->f_and,
LDAP_FILTER_AND );
done = 1;
break;
case LDAP_FILTER_NOT:
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "l",
(ber_len_t)sizeof( "NOT (" ) - 1,
"NOT (" );
rc = backsql_process_filter( bsi, f->f_not );
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "c",
')' );
done = 1;
break;
case LDAP_FILTER_PRESENT:
ad = f->f_desc;
break;
case LDAP_FILTER_EXT:
ad = f->f_mra->ma_desc;
break;
default:
ad = f->f_av_desc;
break;
}
if ( rc == -1 ) {
goto impossible;
}
if ( done ) {
goto done;
}
if ( ad == slap_schema.si_ad_objectClass
|| ad == slap_schema.si_ad_structuralObjectClass ) {
at = &oc_attr;
backsql_strfcat( &at->sel_expr, &len, "cbc",
'\'',
&bsi->oc->oc->soc_cname,
'\'' );
} else if ( ad == slap_schema.si_ad_hasSubordinates || ad == NULL ) {
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "l",
(ber_len_t)sizeof( "1=1" ) - 1, "1=1" );
if ( ad == slap_schema.si_ad_hasSubordinates ) {
bsi->bsi_flags |= BSQL_SF_FILTER_HASSUBORDINATE;
} else {
backsql_attrlist_add( bsi, NULL );
}
goto done;
} else {
at = backsql_ad2at( bsi->oc, ad );
}
if ( at == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_process_filter(): "
"attribute '%s' is not defined for objectclass '%s'\n",
ad->ad_cname.bv_val, BACKSQL_OC_NAME( bsi->oc ), 0 );
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "l",
(ber_len_t)sizeof( "1=0" ) - 1, "1=0" );
goto impossible;
}
backsql_merge_from_clause( &bsi->from, &bsi->from_len,
&at->from_tbls );
backsql_attrlist_add( bsi, ad );
if ( at->join_where.bv_val != NULL
&& strstr( bsi->join_where.bv_val, at->join_where.bv_val ) == NULL ) {
backsql_strfcat( &bsi->join_where, &bsi->jwhere_len, "lb",
(ber_len_t)sizeof( " AND " ) - 1, " AND ",
&at->join_where );
}
#if 0
if ( at != &oc_attr ) {
backsql_strfcat( &bsi->sel, &bsi->sel_len, "cblb",
',',
&at->sel_expr,
(ber_len_t)sizeof( " AS " ) - 1, " AS ",
&at->name );
}
#endif
switch ( f->f_choice ) {
case LDAP_FILTER_EQUALITY:
filter_value = &f->f_av_value;
goto equality_match;
case LDAP_FILTER_EXT:
filter_value = &f->f_mra->ma_value;
equality_match:;
if ( bsi->bi->upper_func.bv_val ) {
size_t start;
if ( at->sel_expr_u.bv_val ) {
backsql_strfcat( &bsi->flt_where,
&bsi->fwhere_len, "cbl",
'(',
&at->sel_expr_u,
(ber_len_t)sizeof( "='" ) - 1,
"='" );
} else {
backsql_strfcat( &bsi->flt_where,
&bsi->fwhere_len, "cbcbl",
'(' ,
&bsi->bi->upper_func,
'(' ,
&at->sel_expr,
(ber_len_t)sizeof( ")='" ) - 1,
")='" );
}
start = bsi->flt_where.bv_len;
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len,
"bl",
filter_value,
(ber_len_t)sizeof( "')" ) - 1,
"')" );
ldap_pvt_str2upper( &bsi->flt_where.bv_val[ start ] );
} else {
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len,
"cblbl",
'(',
&at->sel_expr,
(ber_len_t)sizeof( "='" ) - 1, "='",
filter_value,
(ber_len_t)sizeof( "')" ) - 1,
"')" );
}
break;
case LDAP_FILTER_GE:
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "cblbc",
'(' ,
&at->sel_expr,
(ber_len_t)sizeof( ">=" ) - 1, ">=",
&f->f_av_value,
')' );
break;
case LDAP_FILTER_LE:
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "cblbc",
'(' ,
&at->sel_expr,
(ber_len_t)sizeof( "<=" ) - 1, "<=",
&f->f_av_value,
')' );
break;
case LDAP_FILTER_PRESENT:
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "lbl",
(ber_len_t)sizeof( "NOT (" ) - 1, "NOT (",
&at->sel_expr,
(ber_len_t)sizeof( " IS NULL)" ) - 1, " IS NULL)" );
break;
case LDAP_FILTER_SUBSTRINGS:
backsql_process_sub_filter( bsi, f );
break;
case LDAP_FILTER_APPROX:
if ( bsi->bi->upper_func.bv_val ) {
size_t start;
if ( at->sel_expr_u.bv_val ) {
backsql_strfcat( &bsi->flt_where,
&bsi->fwhere_len, "cbl",
'(',
&at->sel_expr_u,
(ber_len_t)sizeof( " LIKE '%" ) - 1,
" LIKE '%" );
} else {
backsql_strfcat( &bsi->flt_where,
&bsi->fwhere_len, "cbcbl",
'(' ,
&bsi->bi->upper_func,
'(' ,
&at->sel_expr,
(ber_len_t)sizeof( ") LIKE '%" ) - 1,
") LIKE '%" );
}
start = bsi->flt_where.bv_len;
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len,
"bl",
&f->f_av_value,
(ber_len_t)sizeof( "%')" ) - 1,
"%')" );
ldap_pvt_str2upper( &bsi->flt_where.bv_val[ start ] );
} else {
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len,
"cblbl",
'(',
&at->sel_expr,
(ber_len_t)sizeof( " LIKE '%" ) - 1,
" LIKE '%",
&f->f_av_value,
(ber_len_t)sizeof( "%')" ) - 1,
"%')" );
}
break;
default:
assert( 0 );
backsql_strfcat( &bsi->flt_where, &bsi->fwhere_len, "l",
(ber_len_t)sizeof( "1=1" ) - 1, "1=1" );
break;
}
done:
if ( oc_attr.sel_expr.bv_val != NULL ) {
free( oc_attr.sel_expr.bv_val );
}
Debug( LDAP_DEBUG_TRACE, "<==backsql_process_filter()\n", 0, 0, 0 );
return 1;
impossible:
if ( oc_attr.sel_expr.bv_val != NULL ) {
free( oc_attr.sel_expr.bv_val );
}
Debug( LDAP_DEBUG_TRACE, "<==backsql_process_filter() returns -1\n",
0, 0, 0 );
return -1;
}
static int
backsql_srch_query( backsql_srch_info *bsi, struct berval *query )
{
backsql_info *bi = (backsql_info *)bsi->be->be_private;
ber_len_t q_len = 0;
int rc;
assert( query );
query->bv_val = NULL;
query->bv_len = 0;
Debug( LDAP_DEBUG_TRACE, "==>backsql_srch_query()\n", 0, 0, 0 );
bsi->sel.bv_val = NULL;
bsi->sel.bv_len = 0;
bsi->sel_len = 0;
bsi->from.bv_val = NULL;
bsi->from.bv_len = 0;
bsi->from_len = 0;
bsi->join_where.bv_val = NULL;
bsi->join_where.bv_len = 0;
bsi->jwhere_len = 0;
bsi->flt_where.bv_val = NULL;
bsi->flt_where.bv_len = 0;
bsi->fwhere_len = 0;
#if 0
backsql_strcat( &bsi->sel, &bsi->sel_len,
"SELECT DISTINCT ldap_entries.id,",
bsi->oc->keytbl.bv_val, ".", bsi->oc->keycol.bv_val,
",'", bsi->oc->name.bv_val, "' AS objectClass",
",ldap_entries.dn AS dn", NULL );
#endif
backsql_strfcat( &bsi->sel, &bsi->sel_len, "lbcbc",
(ber_len_t)sizeof( "SELECT DISTINCT ldap_entries.id," ) - 1,
"SELECT DISTINCT ldap_entries.id,",
&bsi->oc->keytbl,
'.',
&bsi->oc->keycol,
',' );
if ( bi->strcast_func.bv_val ) {
backsql_strfcat( &bsi->sel, &bsi->sel_len, "blbl",
&bi->strcast_func,
(ber_len_t)sizeof( "('" ) - 1,
"('" ,
&bsi->oc->oc->soc_cname,
(ber_len_t)sizeof( "')" ) - 1,
"')" );
} else {
backsql_strfcat( &bsi->sel, &bsi->sel_len, "cbc",
'\'',
&bsi->oc->oc->soc_cname,
'\'' );
}
backsql_strfcat( &bsi->sel, &bsi->sel_len, "l",
(ber_len_t)sizeof( " AS objectClass,ldap_entries.dn AS dn" ) - 1,
" AS objectClass,ldap_entries.dn AS dn" );
backsql_strfcat( &bsi->from, &bsi->from_len, "lb",
(ber_len_t)sizeof( " FROM ldap_entries," ) - 1,
" FROM ldap_entries,",
&bsi->oc->keytbl );
backsql_strfcat( &bsi->join_where, &bsi->jwhere_len, "lbcbl",
(ber_len_t)sizeof( " WHERE " ) - 1, " WHERE ",
&bsi->oc->keytbl,
'.',
&bsi->oc->keycol,
(ber_len_t)sizeof( "=ldap_entries.keyval AND ldap_entries.oc_map_id=? AND " ) - 1,
"=ldap_entries.keyval AND ldap_entries.oc_map_id=? AND " );
switch ( bsi->scope ) {
case LDAP_SCOPE_BASE:
if ( bsi->bi->upper_func.bv_val ) {
backsql_strfcat( &bsi->join_where, &bsi->jwhere_len,
"blbcb",
&bsi->bi->upper_func,
(ber_len_t)sizeof( "(ldap_entries.dn)=" ) - 1,
"(ldap_entries.dn)=",
&bsi->bi->upper_func_open,
'?',
&bsi->bi->upper_func_close );
} else {
backsql_strfcat( &bsi->join_where, &bsi->jwhere_len,
"l",
(ber_len_t)sizeof( "ldap_entries.dn=?" ) - 1,
"ldap_entries.dn=?" );
}
break;
case LDAP_SCOPE_ONELEVEL:
backsql_strfcat( &bsi->join_where, &bsi->jwhere_len, "l",
(ber_len_t)sizeof( "ldap_entries.parent=?" ) - 1,
"ldap_entries.parent=?" );
break;
case LDAP_SCOPE_SUBTREE:
if ( bsi->bi->upper_func.bv_val ) {
backsql_strfcat( &bsi->join_where, &bsi->jwhere_len,
"blbcb",
&bsi->bi->upper_func,
(ber_len_t)sizeof( "(ldap_entries.dn) LIKE " ) - 1,
"(ldap_entries.dn) LIKE ",
&bsi->bi->upper_func_open,
'?',
&bsi->bi->upper_func_close );
} else {
backsql_strfcat( &bsi->join_where, &bsi->jwhere_len,
"l",
(ber_len_t)sizeof( "ldap_entries.dn LIKE ?" ) - 1,
"ldap_entries.dn LIKE ?" );
}
#if 0
backsql_strfcat( &bsi->join_where, &bsi->jwhere_len, "b",
&bsi->bi->subtree_cond );
#endif
break;
default:
assert( 0 );
}
rc = backsql_process_filter( bsi, bsi->filter );
if ( rc > 0 ) {
backsql_strfcat( query, &q_len, "bbblb",
&bsi->sel,
&bsi->from,
&bsi->join_where,
(ber_len_t)sizeof( " AND " ) - 1, " AND ",
&bsi->flt_where );
} else if ( rc < 0 ) {
Debug( LDAP_DEBUG_TRACE,
"<==backsql_srch_query() returns NULL\n", 0, 0, 0 );
free( query->bv_val );
query->bv_val = NULL;
}
free( bsi->sel.bv_val );
bsi->sel.bv_len = 0;
bsi->sel_len = 0;
free( bsi->from.bv_val );
bsi->from.bv_len = 0;
bsi->from_len = 0;
free( bsi->join_where.bv_val );
bsi->join_where.bv_len = 0;
bsi->jwhere_len = 0;
free( bsi->flt_where.bv_val );
bsi->flt_where.bv_len = 0;
bsi->fwhere_len = 0;
Debug( LDAP_DEBUG_TRACE, "<==backsql_srch_query()\n", 0, 0, 0 );
return ( query->bv_val == NULL ? 1 : 0 );
}
static int
backsql_oc_get_candidates( void *v_oc, void *v_bsi )
{
backsql_oc_map_rec *oc = v_oc;
backsql_srch_info *bsi = v_bsi;
struct berval query;
SQLHSTMT sth;
RETCODE rc;
backsql_entryID base_id, *c_id;
int res;
BACKSQL_ROW_NTS row;
int i;
int j;
Debug( LDAP_DEBUG_TRACE, "==>backsql_oc_get_candidates(): oc='%s'\n",
BACKSQL_OC_NAME( oc ), 0, 0 );
if ( bsi->n_candidates == -1 ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
"unchecked limit has been overcome\n", 0, 0, 0 );
assert( 0 );
return BACKSQL_STOP;
}
bsi->oc = oc;
if ( backsql_srch_query( bsi, &query ) ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
"could not construct query for objectclass\n",
0, 0, 0 );
return BACKSQL_CONTINUE;
}
Debug( LDAP_DEBUG_TRACE, "Constructed query: %s\n",
query.bv_val, 0, 0 );
rc = backsql_Prepare( bsi->dbh, &sth, query.bv_val, 0 );
free( query.bv_val );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
"error preparing query\n", 0, 0, 0 );
backsql_PrintErrors( bsi->bi->db_env, bsi->dbh, sth, rc );
return BACKSQL_CONTINUE;
}
if ( backsql_BindParamID( sth, 1, &bsi->oc->id ) != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
"error binding objectclass id parameter\n", 0, 0, 0 );
return BACKSQL_CONTINUE;
}
switch ( bsi->scope ) {
case LDAP_SCOPE_BASE:
rc = backsql_BindParamStr( sth, 2, bsi->base_dn->bv_val,
BACKSQL_MAX_DN_LEN );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
"error binding base_dn parameter\n", 0, 0, 0 );
backsql_PrintErrors( bsi->bi->db_env, bsi->dbh,
sth, rc );
return BACKSQL_CONTINUE;
}
break;
case LDAP_SCOPE_SUBTREE: {
char temp_base_dn[ BACKSQL_MAX_DN_LEN + 1 + 1 ];
assert( bsi->base_dn->bv_len <= BACKSQL_MAX_DN_LEN );
if ( BACKSQL_HAS_LDAPINFO_DN_RU( bsi->bi ) ) {
temp_base_dn[ 0 ] = '\0';
for ( i = 0, j = bsi->base_dn->bv_len - 1;
j >= 0; i++, j--) {
temp_base_dn[ i ] = bsi->base_dn->bv_val[ j ];
}
temp_base_dn[ i ] = '%';
temp_base_dn[ i + 1 ] = '\0';
ldap_pvt_str2upper( temp_base_dn );
} else {
temp_base_dn[ 0 ] = '%';
AC_MEMCPY( &temp_base_dn[ 1 ], bsi->base_dn->bv_val,
bsi->base_dn->bv_len + 1 );
ldap_pvt_str2upper( &temp_base_dn[ 1 ] );
}
Debug( LDAP_DEBUG_TRACE, "dn '%s'\n", temp_base_dn, 0, 0 );
rc = backsql_BindParamStr( sth, 2, temp_base_dn,
BACKSQL_MAX_DN_LEN );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
"error binding base_dn parameter (2)\n",
0, 0, 0 );
backsql_PrintErrors( bsi->bi->db_env, bsi->dbh,
sth, rc );
return BACKSQL_CONTINUE;
}
break;
}
case LDAP_SCOPE_ONELEVEL:
res = backsql_dn2id( bsi->bi, &base_id,
bsi->dbh, bsi->base_dn );
if ( res != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
"could not retrieve base_dn id%s\n",
res == LDAP_NO_SUCH_OBJECT ? ": no such entry"
: "", 0, 0 );
bsi->status = res;
return BACKSQL_CONTINUE;
}
rc = backsql_BindParamID( sth, 2, &base_id.id );
backsql_free_entryID( &base_id, 0 );
if ( rc != SQL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
"error binding base id parameter\n", 0, 0, 0 );
return BACKSQL_CONTINUE;
}
break;
}
rc = SQLExecute( sth );
if ( !BACKSQL_SUCCESS( rc ) ) {
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
"error executing query\n", 0, 0, 0 );
backsql_PrintErrors( bsi->bi->db_env, bsi->dbh, sth, rc );
SQLFreeStmt( sth, SQL_DROP );
return BACKSQL_CONTINUE;
}
backsql_BindRowAsStrings( sth, &row );
rc = SQLFetch( sth );
for ( ; BACKSQL_SUCCESS( rc ); rc = SQLFetch( sth ) ) {
c_id = (backsql_entryID *)ch_calloc( 1,
sizeof( backsql_entryID ) );
c_id->id = strtol( row.cols[ 0 ], NULL, 0 );
c_id->keyval = strtol( row.cols[ 1 ], NULL, 0 );
c_id->oc_id = bsi->oc->id;
ber_str2bv( row.cols[ 3 ], 0, 1, &c_id->dn );
c_id->next = bsi->id_list;
bsi->id_list = c_id;
bsi->n_candidates--;
Debug( LDAP_DEBUG_TRACE, "backsql_oc_get_candidates(): "
"added entry id=%ld, keyval=%ld dn='%s'\n",
c_id->id, c_id->keyval, row.cols[ 3 ] );
if ( bsi->n_candidates == -1 ) {
break;
}
}
backsql_FreeRow( &row );
SQLFreeStmt( sth, SQL_DROP );
Debug( LDAP_DEBUG_TRACE, "<==backsql_oc_get_candidates()\n", 0, 0, 0 );
return ( bsi->n_candidates == -1 ? BACKSQL_STOP : BACKSQL_CONTINUE );
}
int
backsql_search(
BackendDB *be,
Connection *conn,
Operation *op,
struct berval *base,
struct berval *nbase,
int scope,
int deref,
int slimit,
int tlimit,
Filter *filter,
struct berval *filterstr,
AttributeName *attrs,
int attrsonly )
{
backsql_info *bi = (backsql_info *)be->be_private;
SQLHDBC dbh;
int sres;
int nentries;
Entry *entry, *res;
int manageDSAit = get_manageDSAit( op );
BerVarray v2refs = NULL;
time_t stoptime = 0;
backsql_srch_info srch_info;
backsql_entryID *eid = NULL;
struct slap_limits_set *limit = NULL;
int isroot = 0;
Debug( LDAP_DEBUG_TRACE, "==>backsql_search(): "
"base='%s', filter='%s', scope=%d,",
nbase->bv_val, filterstr->bv_val, scope );
Debug( LDAP_DEBUG_TRACE, " deref=%d, attrsonly=%d, "
"attributes to load: %s\n",
deref, attrsonly, attrs == NULL ? "all" : "custom list" );
if ( nbase->bv_len > BACKSQL_MAX_DN_LEN ) {
Debug( LDAP_DEBUG_TRACE, "backsql_search(): "
"search base length (%ld) exceeds max length (%ld)\n",
nbase->bv_len, BACKSQL_MAX_DN_LEN, 0 );
send_ldap_result( conn, op, LDAP_ADMINLIMIT_EXCEEDED,
"", NULL, NULL, NULL );
return 1;
}
sres = backsql_get_db_conn( be, conn, &dbh );
if ( sres != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "backsql_search(): "
"could not get connection handle - exiting\n",
0, 0, 0 );
send_ldap_result( conn, op, sres, "",
sres == LDAP_OTHER ? "SQL-backend error" : "",
NULL, NULL );
return 1;
}
srch_info.use_reverse_dn = BACKSQL_USE_REVERSE_DN( bi );
if ( be_isroot( be, &op->o_ndn ) ) {
isroot = 1;
} else {
( void ) get_limits( be, &op->o_ndn, &limit );
}
if ( isroot ) {
if ( tlimit == 0 ) {
tlimit = -1;
}
if ( slimit == 0 ) {
slimit = -1;
}
} else {
if ( tlimit <= 0 ) {
tlimit = limit->lms_t_soft;
} else if ( tlimit > limit->lms_t_hard ) {
if ( limit->lms_t_hard == 0
&& limit->lms_t_soft > -1
&& tlimit > limit->lms_t_soft ) {
tlimit = limit->lms_t_soft;
} else if ( limit->lms_t_hard > 0 ) {
send_search_result( conn, op,
LDAP_ADMINLIMIT_EXCEEDED,
NULL, NULL, NULL, NULL, 0 );
return 0;
}
}
if ( slimit <= 0 ) {
slimit = limit->lms_s_soft;
} else if ( slimit > limit->lms_s_hard ) {
if ( limit->lms_s_hard == 0
&& limit->lms_s_soft > -1
&& slimit > limit->lms_s_soft ) {
slimit = limit->lms_s_soft;
} else if ( limit->lms_s_hard > 0 ) {
send_search_result( conn, op,
LDAP_ADMINLIMIT_EXCEEDED,
NULL, NULL, NULL, NULL, 0 );
return 0;
}
}
}
stoptime = op->o_time + tlimit;
backsql_init_search( &srch_info, bi, nbase, scope,
slimit, tlimit, stoptime, filter, dbh,
be, conn, op, attrs );
srch_info.n_candidates = ( isroot ? -2 : limit->lms_s_unchecked == -1
? -2 : limit->lms_s_unchecked );
avl_apply( bi->oc_by_oc, backsql_oc_get_candidates,
&srch_info, BACKSQL_STOP, AVL_INORDER );
if ( !isroot && limit->lms_s_unchecked != -1 ) {
if ( srch_info.n_candidates == -1 ) {
send_search_result( conn, op,
LDAP_ADMINLIMIT_EXCEEDED,
NULL, NULL, NULL, NULL, 0 );
goto done;
}
}
nentries = 0;
for ( eid = srch_info.id_list; eid != NULL;
eid = backsql_free_entryID( eid, 1 ) ) {
Attribute *hasSubordinate = NULL,
*a = NULL;
if ( op->o_abandon ) {
break;
}
if ( tlimit != -1 && slap_get_time() > stoptime ) {
send_search_result( conn, op, LDAP_TIMELIMIT_EXCEEDED,
NULL, NULL, v2refs, NULL, nentries );
goto end_of_search;
}
Debug(LDAP_DEBUG_TRACE, "backsql_search(): loading data "
"for entry id=%ld, oc_id=%ld, keyval=%ld\n",
eid->id, eid->oc_id, eid->keyval );
entry = (Entry *)ch_calloc( sizeof( Entry ), 1 );
res = backsql_id2entry( &srch_info, entry, eid );
if ( res == NULL ) {
Debug( LDAP_DEBUG_TRACE, "backsql_search(): "
"error in backsql_id2entry() "
"- skipping entry\n", 0, 0, 0 );
continue;
}
if ( !manageDSAit && scope != LDAP_SCOPE_BASE &&
is_entry_referral( entry ) ) {
BerVarray refs = get_entry_referrals( be, conn,
op, entry );
send_search_reference( be, conn, op, entry, refs,
NULL, &v2refs );
ber_bvarray_free( refs );
continue;
}
if ( srch_info.bsi_flags & BSQL_SF_FILTER_HASSUBORDINATE ) {
int rc;
rc = backsql_has_children( bi, dbh, &entry->e_nname );
switch( rc ) {
case LDAP_COMPARE_TRUE:
case LDAP_COMPARE_FALSE:
hasSubordinate = slap_operational_hasSubordinate( rc == LDAP_COMPARE_TRUE );
if ( hasSubordinate != NULL ) {
for ( a = entry->e_attrs;
a && a->a_next;
a = a->a_next );
a->a_next = hasSubordinate;
}
rc = 0;
break;
default:
Debug(LDAP_DEBUG_TRACE,
"backsql_search(): "
"has_children failed( %d)\n",
rc, 0, 0 );
rc = 1;
break;
}
if ( rc ) {
continue;
}
}
if ( test_filter( be, conn, op, entry, filter )
== LDAP_COMPARE_TRUE ) {
if ( hasSubordinate && !( srch_info.bsi_flags & BSQL_SF_ALL_OPER )
&& !ad_inlist( slap_schema.si_ad_hasSubordinates, attrs ) ) {
a->a_next = NULL;
attr_free( hasSubordinate );
hasSubordinate = NULL;
}
#if 0
if ( op->o_noop ) {
sres = 0;
} else {
#endif
sres = send_search_entry( be, conn, op, entry,
attrs, attrsonly, NULL );
#if 0
}
#endif
switch ( sres ) {
case 0:
nentries++;
break;
case -1:
Debug( LDAP_DEBUG_TRACE, "backsql_search(): "
"connection lost\n", 0, 0, 0 );
goto end_of_search;
default:
break;
}
}
entry_free( entry );
if ( slimit != -1 && nentries >= slimit ) {
send_search_result( conn, op, LDAP_SIZELIMIT_EXCEEDED,
NULL, NULL, v2refs, NULL, nentries );
goto end_of_search;
}
}
end_of_search:;
if ( nentries > 0 ) {
send_search_result( conn, op,
v2refs == NULL ? LDAP_SUCCESS : LDAP_REFERRAL,
NULL, NULL, v2refs, NULL, nentries );
} else {
send_ldap_result( conn, op, srch_info.status,
NULL, NULL, NULL, 0 );
}
done:;
ch_free( srch_info.attrs );
Debug( LDAP_DEBUG_TRACE, "<==backsql_search()\n", 0, 0, 0 );
return 0;
}
#endif