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/** BEGIN COPYRIGHT BLOCK
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2009 Red Hat, Inc.
* All rights reserved.
*
* License: GPL (version 3 or any later version).
* See LICENSE for details.
* END COPYRIGHT BLOCK **/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/* bitstring.c - Bit String syntax routines */
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include "syntax.h"
static int bitstring_filter_ava(Slapi_PBlock *pb, struct berval *bvfilter, Slapi_Value **bvals, int ftype, Slapi_Value **retVal);
static int bitstring_filter_sub(Slapi_PBlock *pb, char *initial, char **any, char * final, Slapi_Value **bvals);
static int bitstring_values2keys(Slapi_PBlock *pb, Slapi_Value **val, Slapi_Value ***ivals, int ftype);
static int bitstring_assertion2keys_ava(Slapi_PBlock *pb, Slapi_Value *val, Slapi_Value ***ivals, int ftype);
static int bitstring_assertion2keys_sub(Slapi_PBlock *pb, char *initial, char **any, char * final, Slapi_Value ***ivals);
static int bitstring_compare(struct berval *v1, struct berval *v2);
static int bitstring_validate(struct berval *val);
static void bitstring_normalize(
Slapi_PBlock *pb,
char *s,
int trim_spaces,
char **alt);
/* the first name is the official one from RFC 4517 */
static char *names[] = {"Bit String", "bitstring", BITSTRING_SYNTAX_OID, 0};
static Slapi_PluginDesc pdesc = {"bitstring-syntax", VENDOR, DS_PACKAGE_VERSION,
"Bit String attribute syntax plugin"};
static const char *bitStringMatch_names[] = {"bitStringMatch", "2.5.13.16", NULL};
static struct mr_plugin_def mr_plugin_table[] = {
{
{
"2.5.13.16",
NULL,
"bitStringMatch",
"The bitStringMatch rule compares an assertion value of the Bit String "
"syntax to an attribute value of a syntax (e.g., the Bit String "
"syntax) whose corresponding ASN.1 type is BIT STRING. "
"If the corresponding ASN.1 type of the attribute syntax does not have "
"a named bit list [ASN.1] (which is the case for the Bit String "
"syntax), then the rule evaluates to TRUE if and only if the attribute "
"value has the same number of bits as the assertion value and the bits "
"match on a bitwise basis. "
"If the corresponding ASN.1 type does have a named bit list, then "
"bitStringMatch operates as above, except that trailing zero bits in "
"the attribute and assertion values are treated as absent.",
BITSTRING_SYNTAX_OID,
0,
NULL /* only the specified syntax is supported */
}, /* matching rule desc */
{
"bitStringMatch-mr",
VENDOR,
DS_PACKAGE_VERSION,
"bitStringMatch matching rule plugin"}, /* plugin desc */
bitStringMatch_names, /* matching rule name/oid/aliases */
NULL,
NULL,
bitstring_filter_ava,
NULL,
bitstring_values2keys,
bitstring_assertion2keys_ava,
NULL,
bitstring_compare,
NULL /* mr_normalize; */
}};
static size_t mr_plugin_table_size = sizeof(mr_plugin_table) / sizeof(mr_plugin_table[0]);
static int
matching_rule_plugin_init(Slapi_PBlock *pb)
{
return syntax_matching_rule_plugin_init(pb, mr_plugin_table, mr_plugin_table_size);
}
static int
register_matching_rule_plugins(void)
{
return syntax_register_matching_rule_plugins(mr_plugin_table, mr_plugin_table_size, matching_rule_plugin_init);
}
int
bitstring_init(Slapi_PBlock *pb)
{
int rc, flags;
slapi_log_err(SLAPI_LOG_PLUGIN, SYNTAX_PLUGIN_SUBSYSTEM, "=> bitstring_init\n");
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 *)bitstring_filter_ava);
rc |= slapi_pblock_set(pb, SLAPI_PLUGIN_SYNTAX_FILTER_SUB,
(void *)bitstring_filter_sub);
rc |= slapi_pblock_set(pb, SLAPI_PLUGIN_SYNTAX_VALUES2KEYS,
(void *)bitstring_values2keys);
rc |= slapi_pblock_set(pb, SLAPI_PLUGIN_SYNTAX_ASSERTION2KEYS_AVA,
(void *)bitstring_assertion2keys_ava);
rc |= slapi_pblock_set(pb, SLAPI_PLUGIN_SYNTAX_ASSERTION2KEYS_SUB,
(void *)bitstring_assertion2keys_sub);
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 *)BITSTRING_SYNTAX_OID);
rc |= slapi_pblock_set(pb, SLAPI_PLUGIN_SYNTAX_COMPARE,
(void *)bitstring_compare);
rc |= slapi_pblock_set(pb, SLAPI_PLUGIN_SYNTAX_VALIDATE,
(void *)bitstring_validate);
rc |= slapi_pblock_set(pb, SLAPI_PLUGIN_SYNTAX_NORMALIZE,
(void *)bitstring_normalize);
rc |= register_matching_rule_plugins();
slapi_log_err(SLAPI_LOG_PLUGIN, SYNTAX_PLUGIN_SUBSYSTEM, "<= bitstring_init %d\n", rc);
return (rc);
}
static int
bitstring_filter_ava(
Slapi_PBlock *pb,
struct berval *bvfilter,
Slapi_Value **bvals,
int ftype,
Slapi_Value **retVal)
{
int filter_normalized = 0;
int syntax = SYNTAX_CES;
if (pb) {
slapi_pblock_get(pb, SLAPI_PLUGIN_SYNTAX_FILTER_NORMALIZED,
&filter_normalized);
if (filter_normalized) {
syntax |= SYNTAX_NORM_FILT;
}
}
return (string_filter_ava(bvfilter, bvals, syntax, ftype, retVal));
}
static int
bitstring_filter_sub(
Slapi_PBlock *pb,
char *initial,
char **any,
char * final,
Slapi_Value **bvals)
{
return (string_filter_sub(pb, initial, any, final, bvals, SYNTAX_CES));
}
static int
bitstring_values2keys(
Slapi_PBlock *pb,
Slapi_Value **vals,
Slapi_Value ***ivals,
int ftype)
{
return (string_values2keys(pb, vals, ivals, SYNTAX_CES,
ftype));
}
static int
bitstring_assertion2keys_ava(
Slapi_PBlock *pb,
Slapi_Value *val,
Slapi_Value ***ivals,
int ftype)
{
return (string_assertion2keys_ava(pb, val, ivals,
SYNTAX_CES, ftype));
}
static int
bitstring_assertion2keys_sub(
Slapi_PBlock *pb,
char *initial,
char **any,
char * final,
Slapi_Value ***ivals)
{
return (string_assertion2keys_sub(pb, initial, any, final, ivals,
SYNTAX_CES));
}
static int
bitstring_compare(
struct berval *v1,
struct berval *v2)
{
return value_cmp(v1, v2, SYNTAX_CES, 3 /* Normalise both values */);
}
static int
bitstring_validate(
struct berval *val)
{
int rc = 0; /* assume the value is valid */
/* Don't allow a 0 length string */
if ((val == NULL) || (val->bv_len == 0)) {
rc = 1;
goto exit;
}
rc = bitstring_validate_internal(val->bv_val, &(val->bv_val[val->bv_len - 1]));
exit:
return rc;
}
static void
bitstring_normalize(
Slapi_PBlock *pb __attribute__((unused)),
char *s,
int trim_spaces,
char **alt)
{
value_normalize_ext(s, SYNTAX_CES, trim_spaces, alt);
return;
}
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