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https://git.openldap.org/openldap/openldap.git
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416 lines
10 KiB
C
416 lines
10 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 1998-1999 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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#ifdef SLAPD_SCHEMA_COMPAT
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static void oc_usage_old(void) LDAP_GCCATTR((noreturn));
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#endif
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static void oc_usage(void) LDAP_GCCATTR((noreturn));
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static void at_usage(void) LDAP_GCCATTR((noreturn));
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static char *const err2text[] = {
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"",
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"Out of memory",
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"Objectclass not found",
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"Attribute type not found",
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"Duplicate objectclass",
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"Duplicate attributetype",
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"Duplicate syntax",
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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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};
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char *
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scherr2str(int code)
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{
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if ( code < 1 || 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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#ifdef SLAPD_SCHEMA_COMPAT
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void
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parse_oc_old(
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Backend *be,
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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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int i;
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char last;
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LDAP_OBJECT_CLASS *oc;
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int code;
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const char *err;
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char **namep;
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oc = (LDAP_OBJECT_CLASS *) ch_calloc( 1, sizeof(LDAP_OBJECT_CLASS) );
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oc->oc_names = ch_calloc( 2, sizeof(char *) );
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oc->oc_names[0] = ch_strdup( argv[1] );
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oc->oc_names[1] = NULL;
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if ( strcasecmp( oc->oc_names[0], "top" ) ) {
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/*
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* no way to distinguish "auxiliary" from "structural"
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* This may lead to future problems.
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*/
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oc->oc_kind = LDAP_SCHEMA_STRUCTURAL;
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}
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for ( i = 2; i < argc; i++ ) {
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/* required attributes */
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if ( strcasecmp( argv[i], "requires" ) == 0 ) {
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do {
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i++;
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if ( i < argc ) {
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char **s = str2charray( argv[i], "," );
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last = argv[i][strlen( argv[i] ) - 1];
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charray_merge( &oc->oc_at_oids_must, s );
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charray_free( s );
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}
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} while ( i < argc && last == ',' );
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/* optional attributes */
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} else if ( strcasecmp( argv[i], "allows" ) == 0 ) {
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do {
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i++;
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if ( i < argc ) {
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char **s = str2charray( argv[i], "," );
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last = argv[i][strlen( argv[i] ) - 1];
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charray_merge( &oc->oc_at_oids_may, s );
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charray_free( s );
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}
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} while ( i < argc && last == ',' );
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} else {
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fprintf( stderr,
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"%s: line %d: expecting \"requires\" or \"allows\" got \"%s\"\n",
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fname, lineno, argv[i] );
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oc_usage_old();
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}
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}
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/*
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* There was no requirement in the old schema that all attributes
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* types were defined before use and they would just default to
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* SYNTAX_CIS. To support this, we need to make attribute types
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* out of thin air.
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*/
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if ( oc->oc_at_oids_must ) {
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for( namep = oc->oc_at_oids_must; *namep ; namep++ ) {
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code = at_fake_if_needed( *namep );
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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), *namep);
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exit( EXIT_FAILURE );
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}
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}
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}
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if ( oc->oc_at_oids_may ) {
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for( namep = oc->oc_at_oids_may; *namep; namep++ ) {
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code = at_fake_if_needed( *namep );
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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), *namep);
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exit( EXIT_FAILURE );
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}
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}
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}
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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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exit( EXIT_FAILURE );
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}
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ldap_memfree(oc);
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}
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#endif
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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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char *new;
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int pos, suflen;
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/* OID macros must start alpha */
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if ( !isdigit( *oid ) )
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{
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for (om = om_list; om; om=om->som_next)
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{
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if ((pos = dscompare(om->som_name, oid, ':')))
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{
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suflen = strlen(oid + pos);
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new = ch_calloc(1, om->som_oidlen + suflen + 1);
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strcpy(new, om->som_oid);
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if (suflen)
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{
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suflen = om->som_oidlen;
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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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return NULL;
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}
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return oid;
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}
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void
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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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OidMacro *om;
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if (argc != 3) {
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usage: fprintf( stderr, "ObjectIdentifier <name> <oid>\n");
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exit( EXIT_FAILURE );
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}
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om = (OidMacro *) ch_malloc( sizeof(OidMacro) );
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om->som_name = ch_strdup( argv[1] );
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om->som_oid = find_oidm( argv[2] );
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if (!om->som_oid) {
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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 == argv[2]) {
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om->som_oid = ch_strdup( argv[2] );
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}
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om->som_oidlen = strlen( om->som_oid );
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om->som_next = om_list;
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om_list = om;
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}
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void
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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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LDAP_OBJECT_CLASS *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);
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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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}
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if ( oc->oc_oid ) {
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if ( !isdigit( 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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exit( EXIT_FAILURE );
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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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exit( EXIT_FAILURE );
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}
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ldap_memfree(oc);
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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, "ObjectClassDescription = \"(\" whsp\n");
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fprintf( stderr, " numericoid whsp ; ObjectClass identifier\n");
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fprintf( stderr, " [ \"NAME\" qdescrs ]\n");
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fprintf( stderr, " [ \"DESC\" qdstring ]\n");
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fprintf( stderr, " [ \"OBSOLETE\" whsp ]\n");
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fprintf( stderr, " [ \"SUP\" oids ] ; Superior ObjectClasses\n");
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fprintf( stderr, " [ ( \"ABSTRACT\" / \"STRUCTURAL\" / \"AUXILIARY\" ) whsp ]\n");
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fprintf( stderr, " ; default structural\n");
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fprintf( stderr, " [ \"MUST\" oids ] ; AttributeTypes\n");
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fprintf( stderr, " [ \"MAY\" oids ] ; AttributeTypes\n");
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fprintf( stderr, "whsp \")\"\n");
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exit( EXIT_FAILURE );
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}
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#ifdef SLAPD_SCHEMA_COMPAT
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static void
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oc_usage_old( void )
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{
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fprintf( stderr, "<oc clause> ::= objectclass <ocname>\n" );
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fprintf( stderr, " [ requires <attrlist> ]\n" );
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fprintf( stderr, " [ allows <attrlist> ]\n" );
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exit( EXIT_FAILURE );
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}
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#endif
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static void
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at_usage( void )
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{
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fprintf( stderr, "AttributeTypeDescription = \"(\" whsp\n");
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fprintf( stderr, " numericoid whsp ; AttributeType identifier\n");
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fprintf( stderr, " [ \"NAME\" qdescrs ] ; name used in AttributeType\n");
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fprintf( stderr, " [ \"DESC\" qdstring ] ; description\n");
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fprintf( stderr, " [ \"OBSOLETE\" whsp ]\n");
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fprintf( stderr, " [ \"SUP\" woid ] ; derived from this other\n");
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fprintf( stderr, " ; AttributeType\n");
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fprintf( stderr, " [ \"EQUALITY\" woid ] ; Matching Rule name\n");
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fprintf( stderr, " [ \"ORDERING\" woid ] ; Matching Rule name\n");
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fprintf( stderr, " [ \"SUBSTR\" woid ] ; Matching Rule name\n");
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fprintf( stderr, " [ \"SYNTAX\" whsp noidlen whsp ] ; see section 4.3\n");
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fprintf( stderr, " [ \"SINGLE-VALUE\" whsp ] ; default multi-valued\n");
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fprintf( stderr, " [ \"COLLECTIVE\" whsp ] ; default not collective\n");
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fprintf( stderr, " [ \"NO-USER-MODIFICATION\" whsp ]; default user modifiable\n");
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fprintf( stderr, " [ \"USAGE\" whsp AttributeUsage ]; default userApplications\n");
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fprintf( stderr, " ; userApplications\n");
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fprintf( stderr, " ; directoryOperation\n");
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fprintf( stderr, " ; distributedOperation\n");
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fprintf( stderr, " ; dSAOperation\n");
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fprintf( stderr, "whsp \")\"\n");
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exit( EXIT_FAILURE );
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}
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void
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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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LDAP_ATTRIBUTE_TYPE *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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if (!strcasecmp(argv[3], "syntax") &&
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!isdigit(*argv[4]))
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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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exit( EXIT_FAILURE );
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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);
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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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}
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if ( at->at_oid ) {
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if ( !isdigit( 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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exit( EXIT_FAILURE );
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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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{
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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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exit( EXIT_FAILURE );
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}
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ldap_memfree(at);
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}
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