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/** BEGIN COPYRIGHT BLOCK
* This Program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; version 2 of the License.
*
* This Program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA.
*
* In addition, as a special exception, Red Hat, Inc. gives You the additional
* right to link the code of this Program with code not covered under the GNU
* General Public License ("Non-GPL Code") and to distribute linked combinations
* including the two, subject to the limitations in this paragraph. Non-GPL Code
* permitted under this exception must only link to the code of this Program
* through those well defined interfaces identified in the file named EXCEPTION
* found in the source code files (the "Approved Interfaces"). The files of
* Non-GPL Code may instantiate templates or use macros or inline functions from
* the Approved Interfaces without causing the resulting work to be covered by
* the GNU General Public License. Only Red Hat, Inc. may make changes or
* additions to the list of Approved Interfaces. You must obey the GNU General
* Public License in all respects for all of the Program code and other code used
* in conjunction with the Program except the Non-GPL Code covered by this
* exception. If you modify this file, you may extend this exception to your
* version of the file, but you are not obligated to do so. If you do not wish to
* provide this exception without modification, you must delete this exception
* statement from your version and license this file solely under the GPL without
* exception.
*
*
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
/* int.c - integer syntax routines */
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include "syntax.h"
static int int_filter_ava( Slapi_PBlock *pb, struct berval *bvfilter,
Slapi_Value **bvals, int ftype, Slapi_Value **retVal );
static int int_values2keys( Slapi_PBlock *pb, Slapi_Value **val,
Slapi_Value ***ivals, int ftype );
static int int_assertion2keys( Slapi_PBlock *pb, Slapi_Value *val,
Slapi_Value ***ivals, int ftype );
static int int_compare(struct berval *v1, struct berval *v2);
static int int_validate(struct berval *val);
/* the first name is the official one from RFC 2252 */
static char *names[] = { "INTEGER", "int", INTEGER_SYNTAX_OID, 0 };
#define INTEGERMATCH_OID "2.5.13.14"
#define INTEGERORDERINGMATCH_OID "2.5.13.15"
static Slapi_PluginDesc pdesc = { "int-syntax", VENDOR,
DS_PACKAGE_VERSION, "integer attribute syntax plugin" };
static Slapi_MatchingRuleEntry
integerMatch = { INTEGERMATCH_OID, NULL /* no alias? */,
"integerMatch", "The rule evaluates to TRUE if and only if the attribute value and the assertion value are the same integer value.",
INTEGER_SYNTAX_OID, 0 /* not obsolete */ };
static Slapi_MatchingRuleEntry
integerOrderingMatch = { INTEGERORDERINGMATCH_OID, NULL /* no alias? */,
"integerOrderingMatch", "The rule evaluates to TRUE if and only if the integer value of the attribute value is less than the integer value of the assertion value.",
INTEGER_SYNTAX_OID, 0 /* not obsolete */ };
int
int_init( Slapi_PBlock *pb )
{
int rc, flags;
LDAPDebug( LDAP_DEBUG_PLUGIN, "=> int_init\n", 0, 0, 0 );
rc = slapi_pblock_set( pb, SLAPI_PLUGIN_VERSION,
(void *) SLAPI_PLUGIN_VERSION_01 );
rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_DESCRIPTION,
(void *)&pdesc );
rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_FILTER_AVA,
(void *) int_filter_ava );
rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_VALUES2KEYS,
(void *) int_values2keys );
rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_ASSERTION2KEYS_AVA,
(void *) int_assertion2keys );
flags = SLAPI_PLUGIN_SYNTAX_FLAG_ORDERING;
rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_FLAGS,
(void *) &flags );
rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_NAMES,
(void *) names );
rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_OID,
(void *) INTEGER_SYNTAX_OID );
rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_COMPARE,
(void *) int_compare );
rc |= slapi_pblock_set( pb, SLAPI_PLUGIN_SYNTAX_VALIDATE,
(void *) int_validate );
/* also register this plugin for matching rules */
rc |= slapi_matchingrule_register(&integerMatch);
rc |= slapi_matchingrule_register(&integerOrderingMatch);
LDAPDebug( LDAP_DEBUG_PLUGIN, "<= int_init %d\n", rc, 0, 0 );
return( rc );
}
static int
int_filter_ava( Slapi_PBlock *pb, struct berval *bvfilter,
Slapi_Value **bvals, int ftype, Slapi_Value **retVal )
{
return( string_filter_ava( bvfilter, bvals, SYNTAX_INT | SYNTAX_CES,
ftype, retVal ) );
}
static int
int_values2keys( Slapi_PBlock *pb, Slapi_Value **vals, Slapi_Value ***ivals, int ftype )
{
return( string_values2keys( pb, vals, ivals, SYNTAX_INT | SYNTAX_CES,
ftype ) );
}
static int
int_assertion2keys( Slapi_PBlock *pb, Slapi_Value *val, Slapi_Value ***ivals, int ftype )
{
return(string_assertion2keys_ava( pb, val, ivals,
SYNTAX_INT | SYNTAX_CES, ftype ));
}
static int int_compare(
struct berval *v1,
struct berval *v2
)
{
return value_cmp(v1, v2, SYNTAX_INT|SYNTAX_CES, 3 /* Normalise both values */);
}
/* return 0 if valid, non-0 if invalid */
static int int_validate(
struct berval *val
)
{
int rc = 0; /* assume the value is valid */
char *p = NULL;
char *end = NULL;
/* Per RFC4517:
*
* Integer = (HYPHEN LDIGIT *DIGIT) / number
* number = DIGIT / (LDIGIT 1*DIGIT)
*/
if ((val != NULL) && (val->bv_len > 0)) {
p = val->bv_val;
end = &(val->bv_val[val->bv_len - 1]);
/* If the first character is HYPHEN, we need
* to make sure the next char is a LDIGIT. */
if (*p == '-') {
p++;
if ((p > end) || !IS_LDIGIT(*p)) {
rc = 1;
goto exit;
}
p++;
} else if (*p == '0') {
/* 0 is allowed by itself, but not as
* a leading 0 before other digits */
if (p != end) {
rc = 1;
}
/* We're done here */
goto exit;
}
/* Now we can simply allow the rest to be DIGIT */
for (; p <= end; p++) {
if (!isdigit(*p)) {
rc = 1;
goto exit;
}
}
} else {
rc = 1;
}
exit:
return(rc);
}
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