mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
356 lines
7.9 KiB
C
356 lines
7.9 KiB
C
/* schemaparse.c - routines to parse config file objectclass definitions */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/ctype.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include "slap.h"
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#include "ldap_schema.h"
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int global_schemacheck = 1; /* schemacheck on is default */
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static void oc_usage(void);
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static void at_usage(void);
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static char *const err2text[] = {
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"Success",
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"Out of memory",
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"ObjectClass not found",
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"ObjectClass inappropriate SUPerior",
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"AttributeType not found",
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"AttributeType inappropriate USAGE",
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"Duplicate objectClass",
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"Duplicate attributeType",
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"Duplicate ldapSyntax",
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"Duplicate matchingRule",
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"OID or name required",
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"SYNTAX or SUPerior required",
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"MatchingRule not found",
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"Syntax not found",
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"Syntax required",
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"Qualifier not supported",
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"Invalid NAME"
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};
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char *
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scherr2str(int code)
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{
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if ( code < 0 || code >= (sizeof(err2text)/sizeof(char *)) ) {
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return "Unknown error";
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} else {
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return err2text[code];
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}
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}
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/* check schema descr validity */
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int slap_valid_descr( const char *descr )
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{
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int i=0;
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if( !DESC_LEADCHAR( descr[i] ) ) {
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return 0;
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}
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while( descr[++i] ) {
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if( !DESC_CHAR( descr[i] ) ) {
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return 0;
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}
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}
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return 1;
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}
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/* OID Macros */
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/* String compare with delimiter check. Return 0 if not
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* matched, otherwise return length matched.
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*/
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int
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dscompare(const char *s1, const char *s2, char delim)
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{
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const char *orig = s1;
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while (*s1++ == *s2++)
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if (!s1[-1]) break;
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--s1;
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--s2;
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if (!*s1 && (!*s2 || *s2 == delim))
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return s1 - orig;
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return 0;
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}
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static OidMacro *om_list = NULL;
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/* Replace an OID Macro invocation with its full numeric OID.
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* If the macro is used with "macroname:suffix" append ".suffix"
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* to the expansion.
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*/
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static char *
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find_oidm(char *oid)
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{
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OidMacro *om;
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/* OID macros must start alpha */
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if ( OID_LEADCHAR( *oid ) ) {
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return oid;
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}
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for (om = om_list; om; om=om->som_next) {
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char **names = om->som_names;
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if( names == NULL ) {
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continue;
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}
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for( ; *names != NULL ; names++ ) {
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int pos = dscompare(*names, oid, ':');
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if( pos ) {
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int suflen = strlen(oid + pos);
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char *new = ch_calloc(1,
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om->som_oid.bv_len + suflen + 1);
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strcpy(new, om->som_oid.bv_val);
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if( suflen ) {
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suflen = om->som_oid.bv_len;
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new[suflen++] = '.';
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strcpy(new+suflen, oid+pos+1);
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}
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return new;
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}
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}
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}
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return NULL;
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}
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int
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parse_oidm(
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const char *fname,
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int lineno,
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int argc,
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char **argv
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)
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{
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char *oid;
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OidMacro *om;
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if (argc != 3) {
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fprintf( stderr, "%s: line %d: too many arguments\n",
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fname, lineno );
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usage: fprintf( stderr, "\tObjectIdentifier <name> <oid>\n");
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return 1;
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}
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oid = find_oidm( argv[1] );
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if( oid != NULL ) {
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fprintf( stderr,
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"%s: line %d: "
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"ObjectIdentifier \"%s\" previously defined \"%s\"",
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fname, lineno, argv[1], oid );
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return 1;
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}
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om = (OidMacro *) ch_malloc( sizeof(OidMacro) );
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om->som_names = NULL;
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charray_add( &om->som_names, argv[1] );
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om->som_oid.bv_val = find_oidm( argv[2] );
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if (!om->som_oid.bv_val) {
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fprintf( stderr, "%s: line %d: OID %s not recognized\n",
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fname, lineno, argv[2] );
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goto usage;
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}
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if (om->som_oid.bv_val == argv[2]) {
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om->som_oid.bv_val = ch_strdup( argv[2] );
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}
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om->som_oid.bv_len = strlen( om->som_oid.bv_val );
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om->som_next = om_list;
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om_list = om;
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return 0;
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}
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int
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parse_oc(
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const char *fname,
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int lineno,
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char *line,
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char **argv
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)
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{
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LDAPObjectClass *oc;
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int code;
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const char *err;
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char *oid = NULL;
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oc = ldap_str2objectclass(line,&code,&err,LDAP_SCHEMA_ALLOW_ALL);
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if ( !oc ) {
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fprintf( stderr, "%s: line %d: %s before %s\n",
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fname, lineno, ldap_scherr2str(code), err );
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oc_usage();
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return 1;
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}
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if ( oc->oc_oid ) {
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if ( !OID_LEADCHAR( oc->oc_oid[0] )) {
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/* Expand OID macros */
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oid = find_oidm( oc->oc_oid );
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if ( !oid ) {
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fprintf(stderr,
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"%s: line %d: OID %s not recognized\n",
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fname, lineno, oc->oc_oid);
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return 1;
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}
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if ( oid != oc->oc_oid ) {
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ldap_memfree( oc->oc_oid );
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oc->oc_oid = oid;
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}
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}
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}
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/* oc->oc_oid == NULL will be an error someday */
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code = oc_add(oc,&err);
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if ( code ) {
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fprintf( stderr, "%s: line %d: %s: \"%s\"\n",
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fname, lineno, scherr2str(code), err);
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return 1;
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}
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ldap_memfree(oc);
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return 0;
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}
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static void
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oc_usage( void )
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{
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fprintf( stderr,
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"ObjectClassDescription = \"(\" whsp\n"
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" numericoid whsp ; ObjectClass identifier\n"
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" [ \"NAME\" qdescrs ]\n"
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" [ \"DESC\" qdstring ]\n"
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" [ \"OBSOLETE\" whsp ]\n"
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" [ \"SUP\" oids ] ; Superior ObjectClasses\n"
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" [ ( \"ABSTRACT\" / \"STRUCTURAL\" / \"AUXILIARY\" ) whsp ]\n"
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" ; default structural\n"
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" [ \"MUST\" oids ] ; AttributeTypes\n"
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" [ \"MAY\" oids ] ; AttributeTypes\n"
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" whsp \")\"\n" );
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}
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static void
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at_usage( void )
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{
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fprintf( stderr,
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"AttributeTypeDescription = \"(\" whsp\n"
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" numericoid whsp ; AttributeType identifier\n"
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" [ \"NAME\" qdescrs ] ; name used in AttributeType\n"
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" [ \"DESC\" qdstring ] ; description\n"
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" [ \"OBSOLETE\" whsp ]\n"
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" [ \"SUP\" woid ] ; derived from this other\n"
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" ; AttributeType\n"
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" [ \"EQUALITY\" woid ] ; Matching Rule name\n"
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" [ \"ORDERING\" woid ] ; Matching Rule name\n"
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" [ \"SUBSTR\" woid ] ; Matching Rule name\n"
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" [ \"SYNTAX\" whsp noidlen whsp ] ; see section 4.3\n"
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" [ \"SINGLE-VALUE\" whsp ] ; default multi-valued\n"
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" [ \"COLLECTIVE\" whsp ] ; default not collective\n"
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" [ \"NO-USER-MODIFICATION\" whsp ]; default user modifiable\n"
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" [ \"USAGE\" whsp AttributeUsage ]; default userApplications\n"
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" ; userApplications\n"
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" ; directoryOperation\n"
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" ; distributedOperation\n"
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" ; dSAOperation\n"
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" whsp \")\"\n");
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}
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int
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parse_at(
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const char *fname,
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int lineno,
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char *line,
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char **argv
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)
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{
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LDAPAttributeType *at;
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int code;
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const char *err;
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char *oid = NULL;
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char *soid = NULL;
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/* Kludge for OIDmacros for syntaxes. If the syntax field starts
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* nonnumeric, look for and expand a macro. The macro's place in
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* the input line will be replaced with a field of '0's to keep
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* ldap_str2attributetype happy. The actual oid will be swapped
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* into place afterwards.
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*/
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for (; argv[3]; argv++)
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{
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/* Allow numeric OIDs to be wrapped in single quotes */
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if (!strcasecmp(argv[3], "syntax") && argv[4] != NULL &&
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!OID_LEADCHAR(argv[4][argv[4][0] == '\'' ? 1 : 0]))
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{
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int slen;
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Syntax *syn;
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syn = syn_find_desc(argv[4], &slen);
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if (!syn)
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{
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fprintf(stderr, "%s: line %d: OID %s not found\n",
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fname, lineno, argv[4]);
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return 1;
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}
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memset(strstr(line, argv[4]), '0', slen);
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soid = ch_strdup(syn->ssyn_syn.syn_oid );
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break;
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}
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}
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at = ldap_str2attributetype(line,&code,&err,LDAP_SCHEMA_ALLOW_ALL);
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if ( !at ) {
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fprintf( stderr, "%s: line %d: %s before %s\n",
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fname, lineno, ldap_scherr2str(code), err );
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at_usage();
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return 1;
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}
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if ( at->at_oid ) {
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if ( !OID_LEADCHAR( at->at_oid[0] )) {
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/* Expand OID macros */
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oid = find_oidm( at->at_oid );
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if ( !oid ) {
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fprintf(stderr,
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"%s: line %d: OID %s not recognized\n",
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fname, lineno, at->at_oid);
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return 1;
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}
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if ( oid != at->at_oid ) {
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ldap_memfree( at->at_oid );
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at->at_oid = oid;
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}
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}
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}
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/* at->at_oid == NULL will be an error someday */
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if (soid) {
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ldap_memfree(at->at_syntax_oid);
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at->at_syntax_oid = soid;
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}
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code = at_add(at,&err);
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if ( code ) {
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fprintf( stderr, "%s: line %d: %s: \"%s\"\n",
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fname, lineno, scherr2str(code), err);
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return 1;
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}
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ldap_memfree(at);
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return 0;
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}
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