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725 lines
20 KiB
C
725 lines
20 KiB
C
/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1998-2020 The OpenLDAP Foundation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* Portions Copyright (c) 1990 Regents of the University of Michigan.
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* All rights reserved.
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*/
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/*
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* This file contains public API to help with parsing LDIF
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/stdlib.h>
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#include <ac/ctype.h>
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#include <ac/string.h>
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#include <ac/unistd.h>
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#include <ac/socket.h>
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#include <ac/time.h>
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#include "ldap-int.h"
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#include "ldif.h"
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#define M_SEP 0x7f
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/* strings found in LDIF entries */
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static struct berval BV_VERSION = BER_BVC("version");
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static struct berval BV_DN = BER_BVC("dn");
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static struct berval BV_CONTROL = BER_BVC("control");
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static struct berval BV_CHANGETYPE = BER_BVC("changetype");
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static struct berval BV_ADDCT = BER_BVC("add");
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static struct berval BV_MODIFYCT = BER_BVC("modify");
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static struct berval BV_DELETECT = BER_BVC("delete");
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static struct berval BV_MODRDNCT = BER_BVC("modrdn");
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static struct berval BV_MODDNCT = BER_BVC("moddn");
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static struct berval BV_RENAMECT = BER_BVC("rename");
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static struct berval BV_MODOPADD = BER_BVC("add");
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static struct berval BV_MODOPREPLACE = BER_BVC("replace");
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static struct berval BV_MODOPDELETE = BER_BVC("delete");
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static struct berval BV_MODOPINCREMENT = BER_BVC("increment");
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static struct berval BV_NEWRDN = BER_BVC("newrdn");
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static struct berval BV_DELETEOLDRDN = BER_BVC("deleteoldrdn");
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static struct berval BV_NEWSUP = BER_BVC("newsuperior");
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#define BV_CASEMATCH(a, b) \
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((a)->bv_len == (b)->bv_len && 0 == strcasecmp((a)->bv_val, (b)->bv_val))
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static int parse_ldif_control LDAP_P(( struct berval *bval, LDAPControl ***ppctrls ));
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void
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ldap_ldif_record_done( LDIFRecord *lr )
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{
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int i;
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/* the LDAPControl stuff does not allow the use of memory contexts */
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if (lr->lr_ctrls != NULL) {
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ldap_controls_free( lr->lr_ctrls );
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}
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if ( lr->lr_lm != NULL ) {
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ber_memfree_x( lr->lr_lm, lr->lr_ctx );
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}
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if ( lr->lr_mops != NULL ) {
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ber_memfree_x( lr->lr_mops, lr->lr_ctx );
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}
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for (i=lr->lr_lines-1; i>=0; i--)
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if ( lr->lr_freeval[i] ) ber_memfree_x( lr->lr_vals[i].bv_val, lr->lr_ctx );
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ber_memfree_x( lr->lr_btype, lr->lr_ctx );
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memset( lr, 0, sizeof(LDIFRecord) );
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}
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/*
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* ldap_parse_ldif_record_x() will convert an LDIF record read with ldif_read_record()
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* into an array of LDAPMod* and an array of LDAPControl*, suitable for passing
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* directly to any other LDAP API function that takes LDAPMod** and LDAPControl**
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* arguments, such as ldap_modify_s().
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*
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* rbuf - the ldif record buffer returned from ldif_read_record - rbuf.bv_val must be
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* writable - will use ldif_getline to read from it
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* linenum - the ldif line number returned from ldif_read_record
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* - used for logging errors (e.g. error at line N)
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* lr - holds the data to return
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* errstr - a string used for logging (usually the program name e.g. "ldapmodify"
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* flags - 0 or some combination of LDIF_DEFAULT_ADD LDIF_ENTRIES_ONLY LDIF_NO_CONTROLS
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* ctx is the memory allocation context - if NULL, use the standard memory allocator
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*/
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int
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ldap_parse_ldif_record_x(
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struct berval *rbuf,
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unsigned long linenum,
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LDIFRecord *lr,
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const char *errstr,
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unsigned int flags,
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void *ctx )
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{
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char *line, *dn;
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int rc, modop;
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int expect_modop, expect_sep;
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int ldapadd, new_entry, delete_entry, got_all, no_dn;
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LDAPMod **pmods;
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int version;
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LDAPControl **pctrls;
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int i, j, k, idn, nmods;
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struct berval **bvl, bv;
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assert( lr != NULL );
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assert( rbuf != NULL );
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memset( lr, 0, sizeof(LDIFRecord) );
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lr->lr_ctx = ctx; /* save memory context for later */
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ldapadd = flags & LDIF_DEFAULT_ADD;
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no_dn = flags & LDIF_NO_DN;
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expect_modop = flags & LDIF_MODS_ONLY;
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new_entry = ldapadd;
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rc = got_all = delete_entry = modop = 0;
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expect_sep = 0;
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version = 0;
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pmods = NULL;
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pctrls = NULL;
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dn = NULL;
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lr->lr_lines = ldif_countlines( rbuf->bv_val );
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lr->lr_btype = ber_memcalloc_x( 1, (lr->lr_lines+1)*2*sizeof(struct berval)+lr->lr_lines, ctx );
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if ( !lr->lr_btype )
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return LDAP_NO_MEMORY;
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lr->lr_vals = lr->lr_btype+lr->lr_lines+1;
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lr->lr_freeval = (char *)(lr->lr_vals+lr->lr_lines+1);
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i = -1;
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while ( rc == 0 && ( line = ldif_getline( &rbuf->bv_val )) != NULL ) {
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int freev;
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if ( *line == '\n' || *line == '\0' ) {
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break;
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}
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++i;
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if ( line[0] == '-' && !line[1] ) {
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BER_BVZERO( lr->lr_btype+i );
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lr->lr_freeval[i] = 0;
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continue;
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}
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if ( ( rc = ldif_parse_line2( line, lr->lr_btype+i, lr->lr_vals+i, &freev ) ) < 0 ) {
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fprintf( stderr, _("%s: invalid format (line %lu) entry: \"%s\"\n"),
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errstr, linenum+i, dn == NULL ? "" : dn );
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rc = LDAP_PARAM_ERROR;
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goto leave;
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}
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lr->lr_freeval[i] = freev;
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if ( dn == NULL && !no_dn ) {
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if ( linenum+i == 1 && BV_CASEMATCH( lr->lr_btype+i, &BV_VERSION )) {
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/* lutil_atoi() introduces a dependence of libldap
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* on liblutil; we only allow version 1 by now (ITS#6654)
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*/
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#if 0
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int v;
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if( lr->lr_vals[i].bv_len == 0 || lutil_atoi( &v, lr->lr_vals[i].bv_val) != 0 || v != 1 )
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#endif
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static const struct berval version1 = { 1, "1" };
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if ( lr->lr_vals[i].bv_len != version1.bv_len || strncmp( lr->lr_vals[i].bv_val, version1.bv_val, version1.bv_len ) != 0 )
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{
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fprintf( stderr,
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_("%s: invalid version %s, line %lu (ignored)\n"),
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errstr, lr->lr_vals[i].bv_val, linenum );
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}
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version++;
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} else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_DN )) {
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lr->lr_dn = lr->lr_vals[i];
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dn = lr->lr_dn.bv_val; /* primarily for logging */
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idn = i;
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}
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/* skip all lines until we see "dn:" */
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}
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}
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/* check to make sure there was a dn: line */
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if ( !dn && !no_dn ) {
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rc = 0;
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goto leave;
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}
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lr->lr_lines = i+1;
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if( lr->lr_lines == 0 ) {
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rc = 0;
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goto leave;
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}
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if( version && lr->lr_lines == 1 ) {
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rc = 0;
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goto leave;
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}
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if ( no_dn ) {
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i = 0;
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} else {
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i = idn+1;
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/* Check for "control" tag after dn and before changetype. */
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if ( BV_CASEMATCH( lr->lr_btype+i, &BV_CONTROL )) {
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/* Parse and add it to the list of controls */
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if ( !( flags & LDIF_NO_CONTROLS ) ) {
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rc = parse_ldif_control( lr->lr_vals+i, &pctrls );
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if (rc != 0) {
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fprintf( stderr,
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_("%s: Error processing %s line, line %lu: %s\n"),
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errstr, BV_CONTROL.bv_val, linenum+i, ldap_err2string(rc) );
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}
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}
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i++;
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if ( i>= lr->lr_lines ) {
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short_input:
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fprintf( stderr,
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_("%s: Expecting more input after %s line, line %lu\n"),
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errstr, lr->lr_btype[i-1].bv_val, linenum+i );
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rc = LDAP_PARAM_ERROR;
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goto leave;
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}
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}
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}
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/* Check for changetype */
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if ( BV_CASEMATCH( lr->lr_btype+i, &BV_CHANGETYPE )) {
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#ifdef LIBERAL_CHANGETYPE_MODOP
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/* trim trailing spaces (and log warning ...) */
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int icnt;
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for ( icnt = lr->lr_vals[i].bv_len; --icnt > 0; ) {
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if ( !isspace( (unsigned char) lr->lr_vals[i].bv_val[icnt] ) ) {
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break;
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}
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}
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if ( ++icnt != lr->lr_vals[i].bv_len ) {
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fprintf( stderr, _("%s: illegal trailing space after"
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" \"%s: %s\" trimmed (line %lu, entry \"%s\")\n"),
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errstr, BV_CHANGETYPE.bv_val, lr->lr_vals[i].bv_val, linenum+i, dn );
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lr->lr_vals[i].bv_val[icnt] = '\0';
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}
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#endif /* LIBERAL_CHANGETYPE_MODOP */
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/* if LDIF_ENTRIES_ONLY, then either the changetype must be add, or
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there must be no changetype, and the flag LDIF_DEFAULT_ADD must be set */
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if ( flags & LDIF_ENTRIES_ONLY ) {
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if ( !( BV_CASEMATCH( lr->lr_vals+i, &BV_ADDCT )) ) {
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ber_pvt_log_printf( LDAP_DEBUG_ANY, ldif_debug,
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_("%s: skipping LDIF record beginning at line %lu: "
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"changetype '%.*s' found but entries only was requested\n"),
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errstr, linenum,
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(int)lr->lr_vals[i].bv_len,
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(const char *)lr->lr_vals[i].bv_val );
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goto leave;
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}
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}
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if ( BV_CASEMATCH( lr->lr_vals+i, &BV_MODIFYCT )) {
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new_entry = 0;
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expect_modop = 1;
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} else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_ADDCT )) {
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new_entry = 1;
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modop = LDAP_MOD_ADD;
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} else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_MODRDNCT )
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|| BV_CASEMATCH( lr->lr_vals+i, &BV_MODDNCT )
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|| BV_CASEMATCH( lr->lr_vals+i, &BV_RENAMECT ))
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{
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i++;
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if ( i >= lr->lr_lines )
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goto short_input;
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if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_NEWRDN )) {
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fprintf( stderr, _("%s: expecting \"%s:\" but saw"
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" \"%s:\" (line %lu, entry \"%s\")\n"),
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errstr, BV_NEWRDN.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn );
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rc = LDAP_PARAM_ERROR;
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goto leave;
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}
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lr->lrop_newrdn = lr->lr_vals[i];
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i++;
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if ( i >= lr->lr_lines )
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goto short_input;
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if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_DELETEOLDRDN )) {
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fprintf( stderr, _("%s: expecting \"%s:\" but saw"
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" \"%s:\" (line %lu, entry \"%s\")\n"),
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errstr, BV_DELETEOLDRDN.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn );
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rc = LDAP_PARAM_ERROR;
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goto leave;
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}
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lr->lrop_delold = ( lr->lr_vals[i].bv_val[0] == '0' ) ? 0 : 1;
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i++;
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if ( i < lr->lr_lines ) {
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if ( !BV_CASEMATCH( lr->lr_btype+i, &BV_NEWSUP )) {
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fprintf( stderr, _("%s: expecting \"%s:\" but saw"
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" \"%s:\" (line %lu, entry \"%s\")\n"),
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errstr, BV_NEWSUP.bv_val, lr->lr_btype[i].bv_val, linenum+i, dn );
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rc = LDAP_PARAM_ERROR;
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goto leave;
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}
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lr->lrop_newsup = lr->lr_vals[i];
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i++;
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}
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got_all = 1;
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} else if ( BV_CASEMATCH( lr->lr_vals+i, &BV_DELETECT )) {
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got_all = delete_entry = 1;
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} else {
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fprintf( stderr,
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_("%s: unknown %s \"%s\" (line %lu, entry \"%s\")\n"),
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errstr, BV_CHANGETYPE.bv_val, lr->lr_vals[i].bv_val, linenum+i, dn );
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rc = LDAP_PARAM_ERROR;
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goto leave;
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}
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i++;
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} else if ( ldapadd ) { /* missing changetype => add */
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new_entry = 1;
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modop = LDAP_MOD_ADD;
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} else {
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/* if LDIF_ENTRIES_ONLY, then either the changetype must be add, or
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there must be no changetype, and the flag LDIF_DEFAULT_ADD must be set */
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if ( flags & LDIF_ENTRIES_ONLY ) {
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ber_pvt_log_printf( LDAP_DEBUG_ANY, ldif_debug,
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_("%s: skipping LDIF record beginning at line %lu: "
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"no changetype found but entries only was requested and "
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"the default setting for missing changetype is modify\n"),
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errstr, linenum );
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goto leave;
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}
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expect_modop = 1; /* missing changetype => modify */
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}
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if ( got_all ) {
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if ( i < lr->lr_lines ) {
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fprintf( stderr,
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_("%s: extra lines at end (line %lu, entry \"%s\")\n"),
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errstr, linenum+i, dn );
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rc = LDAP_PARAM_ERROR;
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goto leave;
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}
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goto doit;
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}
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nmods = lr->lr_lines - i;
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idn = i;
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if ( new_entry ) {
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int fv;
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/* Make sure all attributes with multiple values are contiguous */
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for (; i<lr->lr_lines; i++) {
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for (j=i+1; j<lr->lr_lines; j++) {
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if ( !lr->lr_btype[j].bv_val ) {
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fprintf( stderr,
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_("%s: missing attributeDescription (line %lu, entry \"%s\")\n"),
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errstr, linenum+j, dn );
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rc = LDAP_PARAM_ERROR;
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goto leave;
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}
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if ( BV_CASEMATCH( lr->lr_btype+i, lr->lr_btype+j )) {
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nmods--;
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/* out of order, move intervening attributes down */
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if ( j != i+1 ) {
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bv = lr->lr_vals[j];
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fv = lr->lr_freeval[j];
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for (k=j; k>i; k--) {
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lr->lr_btype[k] = lr->lr_btype[k-1];
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lr->lr_vals[k] = lr->lr_vals[k-1];
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lr->lr_freeval[k] = lr->lr_freeval[k-1];
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}
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k++;
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lr->lr_btype[k] = lr->lr_btype[i];
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lr->lr_vals[k] = bv;
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lr->lr_freeval[k] = fv;
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}
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i++;
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}
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}
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}
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/* Allocate space for array of mods, array of pointers to mods,
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* and array of pointers to values, allowing for NULL terminators
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* for the pointer arrays...
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*/
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lr->lr_lm = ber_memalloc_x( nmods * sizeof(LDAPMod) +
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(nmods+1) * sizeof(LDAPMod*) +
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(lr->lr_lines + nmods - idn) * sizeof(struct berval *), ctx );
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if ( lr->lr_lm == NULL ) {
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rc = LDAP_NO_MEMORY;
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goto leave;
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}
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pmods = (LDAPMod **)(lr->lr_lm+nmods);
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bvl = (struct berval **)(pmods+nmods+1);
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j = 0;
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k = -1;
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BER_BVZERO(&bv);
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for (i=idn; i<lr->lr_lines; i++) {
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if ( BV_CASEMATCH( lr->lr_btype+i, &BV_DN )) {
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fprintf( stderr, _("%s: attributeDescription \"%s\":"
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" (possible missing newline"
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" after line %lu, entry \"%s\"?)\n"),
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errstr, lr->lr_btype[i].bv_val, linenum+i - 1, dn );
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}
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if ( !BV_CASEMATCH( lr->lr_btype+i, &bv )) {
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bvl[k++] = NULL;
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bv = lr->lr_btype[i];
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lr->lr_lm[j].mod_op = LDAP_MOD_ADD | LDAP_MOD_BVALUES;
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lr->lr_lm[j].mod_type = bv.bv_val;
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lr->lr_lm[j].mod_bvalues = bvl+k;
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pmods[j] = lr->lr_lm+j;
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j++;
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}
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bvl[k++] = lr->lr_vals+i;
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}
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bvl[k] = NULL;
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pmods[j] = NULL;
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goto doit;
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}
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lr->lr_mops = ber_memalloc_x( lr->lr_lines+1, ctx );
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if ( lr->lr_mops == NULL ) {
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rc = LDAP_NO_MEMORY;
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goto leave;
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}
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|
|
lr->lr_mops[lr->lr_lines] = M_SEP;
|
|
if ( i > 0 )
|
|
lr->lr_mops[i-1] = M_SEP;
|
|
|
|
for ( ; i<lr->lr_lines; i++ ) {
|
|
if ( expect_modop ) {
|
|
#ifdef LIBERAL_CHANGETYPE_MODOP
|
|
/* trim trailing spaces (and log warning ...) */
|
|
int icnt;
|
|
for ( icnt = lr->lr_vals[i].bv_len; --icnt > 0; ) {
|
|
if ( !isspace( (unsigned char) lr->lr_vals[i].bv_val[icnt] ) ) break;
|
|
}
|
|
|
|
if ( ++icnt != lr->lr_vals[i].bv_len ) {
|
|
fprintf( stderr, _("%s: illegal trailing space after"
|
|
" \"%s: %s\" trimmed (line %lu, entry \"%s\")\n"),
|
|
errstr, type, lr->lr_vals[i].bv_val, linenum+i, dn );
|
|
lr->lr_vals[i].bv_val[icnt] = '\0';
|
|
}
|
|
#endif /* LIBERAL_CHANGETYPE_MODOP */
|
|
|
|
expect_modop = 0;
|
|
expect_sep = 1;
|
|
if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPADD )) {
|
|
modop = LDAP_MOD_ADD;
|
|
lr->lr_mops[i] = M_SEP;
|
|
nmods--;
|
|
} else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPREPLACE )) {
|
|
/* defer handling these since they might have no values.
|
|
* Use the BVALUES flag to signal that these were
|
|
* deferred. If values are provided later, this
|
|
* flag will be switched off.
|
|
*/
|
|
modop = LDAP_MOD_REPLACE;
|
|
lr->lr_mops[i] = modop | LDAP_MOD_BVALUES;
|
|
lr->lr_btype[i] = lr->lr_vals[i];
|
|
} else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPDELETE )) {
|
|
modop = LDAP_MOD_DELETE;
|
|
lr->lr_mops[i] = modop | LDAP_MOD_BVALUES;
|
|
lr->lr_btype[i] = lr->lr_vals[i];
|
|
} else if ( BV_CASEMATCH( lr->lr_btype+i, &BV_MODOPINCREMENT )) {
|
|
modop = LDAP_MOD_INCREMENT;
|
|
lr->lr_mops[i] = M_SEP;
|
|
nmods--;
|
|
} else { /* no modify op: invalid LDIF */
|
|
fprintf( stderr, _("%s: modify operation type is missing at"
|
|
" line %lu, entry \"%s\"\n"),
|
|
errstr, linenum+i, dn );
|
|
rc = LDAP_PARAM_ERROR;
|
|
goto leave;
|
|
}
|
|
bv = lr->lr_vals[i];
|
|
} else if ( expect_sep && BER_BVISEMPTY( lr->lr_btype+i )) {
|
|
lr->lr_mops[i] = M_SEP;
|
|
expect_sep = 0;
|
|
expect_modop = 1;
|
|
nmods--;
|
|
} else {
|
|
if ( !BV_CASEMATCH( lr->lr_btype+i, &bv )) {
|
|
fprintf( stderr, _("%s: wrong attributeType at"
|
|
" line %lu, entry \"%s\"\n"),
|
|
errstr, linenum+i, dn );
|
|
rc = LDAP_PARAM_ERROR;
|
|
goto leave;
|
|
}
|
|
lr->lr_mops[i] = modop;
|
|
/* If prev op was deferred and matches this type,
|
|
* clear the flag
|
|
*/
|
|
if ( (lr->lr_mops[i-1] & LDAP_MOD_BVALUES)
|
|
&& BV_CASEMATCH( lr->lr_btype+i, lr->lr_btype+i-1 ))
|
|
{
|
|
lr->lr_mops[i-1] = M_SEP;
|
|
nmods--;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Allocate space for array of mods, array of pointers to mods,
|
|
* and array of pointers to values, allowing for NULL terminators
|
|
* for the pointer arrays...
|
|
*/
|
|
lr->lr_lm = ber_memalloc_x( nmods * sizeof(LDAPMod) +
|
|
(nmods+1) * sizeof(LDAPMod*) +
|
|
(lr->lr_lines + nmods - idn) * sizeof(struct berval *), ctx );
|
|
if ( lr->lr_lm == NULL ) {
|
|
rc = LDAP_NO_MEMORY;
|
|
goto leave;
|
|
}
|
|
|
|
pmods = (LDAPMod **)(lr->lr_lm+nmods);
|
|
bvl = (struct berval **)(pmods+nmods+1);
|
|
|
|
j = 0;
|
|
k = -1;
|
|
BER_BVZERO(&bv);
|
|
if ( idn > 0 )
|
|
lr->lr_mops[idn-1] = M_SEP;
|
|
for (i=idn; i<lr->lr_lines; i++) {
|
|
if ( lr->lr_mops[i] == M_SEP )
|
|
continue;
|
|
if ( lr->lr_mops[i] != lr->lr_mops[i-1] || !BV_CASEMATCH( lr->lr_btype+i, &bv )) {
|
|
bvl[k++] = NULL;
|
|
bv = lr->lr_btype[i];
|
|
lr->lr_lm[j].mod_op = lr->lr_mops[i] | LDAP_MOD_BVALUES;
|
|
lr->lr_lm[j].mod_type = bv.bv_val;
|
|
if ( lr->lr_mops[i] & LDAP_MOD_BVALUES ) {
|
|
lr->lr_lm[j].mod_bvalues = NULL;
|
|
} else {
|
|
lr->lr_lm[j].mod_bvalues = bvl+k;
|
|
}
|
|
pmods[j] = lr->lr_lm+j;
|
|
j++;
|
|
}
|
|
bvl[k++] = lr->lr_vals+i;
|
|
}
|
|
bvl[k] = NULL;
|
|
pmods[j] = NULL;
|
|
|
|
doit:
|
|
/* first, set the common fields */
|
|
lr->lr_ctrls = pctrls;
|
|
/* next, set the op */
|
|
if ( delete_entry ) {
|
|
lr->lr_op = LDAP_REQ_DELETE;
|
|
} else if ( lr->lrop_newrdn.bv_val != NULL ) {
|
|
lr->lr_op = LDAP_REQ_MODDN;
|
|
} else {
|
|
/* for now, either add or modify */
|
|
lr->lrop_mods = pmods;
|
|
if ( new_entry ) {
|
|
lr->lr_op = LDAP_REQ_ADD;
|
|
} else {
|
|
lr->lr_op = LDAP_REQ_MODIFY;
|
|
}
|
|
}
|
|
|
|
leave:
|
|
if ( rc != LDAP_SUCCESS ) {
|
|
ldap_ldif_record_done( lr );
|
|
}
|
|
|
|
return( rc );
|
|
}
|
|
|
|
/* Same as ldap_parse_ldif_record_x()
|
|
* public API does not expose memory context
|
|
*/
|
|
int
|
|
ldap_parse_ldif_record(
|
|
struct berval *rbuf,
|
|
unsigned long linenum,
|
|
LDIFRecord *lr,
|
|
const char *errstr,
|
|
unsigned int flags )
|
|
{
|
|
return ldap_parse_ldif_record_x( rbuf, linenum, lr, errstr, flags, NULL );
|
|
}
|
|
|
|
/* Parse an LDIF control line of the form
|
|
control: oid [true/false] [: value] or
|
|
control: oid [true/false] [:: base64-value] or
|
|
control: oid [true/false] [:< url]
|
|
The control is added to the list of controls in *ppctrls.
|
|
*/
|
|
static int
|
|
parse_ldif_control(
|
|
struct berval *bval,
|
|
LDAPControl ***ppctrls)
|
|
{
|
|
char *oid = NULL;
|
|
int criticality = 0; /* Default is false if not present */
|
|
int i, rc=0;
|
|
char *s, *oidStart;
|
|
LDAPControl *newctrl = NULL;
|
|
LDAPControl **pctrls = NULL;
|
|
struct berval type, bv = BER_BVNULL;
|
|
int freeval = 0;
|
|
|
|
if (ppctrls) pctrls = *ppctrls;
|
|
/* OID should come first. Validate and extract it. */
|
|
s = bval->bv_val;
|
|
if (*s == 0) return ( LDAP_PARAM_ERROR );
|
|
oidStart = s;
|
|
while (isdigit((unsigned char)*s) || *s == '.') {
|
|
s++; /* OID should be digits or . */
|
|
}
|
|
if (s == oidStart) {
|
|
return ( LDAP_PARAM_ERROR ); /* OID was not present */
|
|
}
|
|
if (*s) { /* End of OID should be space or NULL */
|
|
if (!isspace((unsigned char)*s)) {
|
|
return ( LDAP_PARAM_ERROR ); /* else OID contained invalid chars */
|
|
}
|
|
*s++ = 0; /* Replace space with null to terminate */
|
|
}
|
|
|
|
oid = ber_strdup(oidStart);
|
|
if (oid == NULL) return ( LDAP_NO_MEMORY );
|
|
|
|
/* Optional Criticality field is next. */
|
|
while (*s && isspace((unsigned char)*s)) {
|
|
s++; /* Skip white space before criticality */
|
|
}
|
|
if (strncasecmp(s, "true", 4) == 0) {
|
|
criticality = 1;
|
|
s += 4;
|
|
}
|
|
else if (strncasecmp(s, "false", 5) == 0) {
|
|
criticality = 0;
|
|
s += 5;
|
|
}
|
|
|
|
/* Optional value field is next */
|
|
while (*s && isspace((unsigned char)*s)) {
|
|
s++; /* Skip white space before value */
|
|
}
|
|
if (*s) {
|
|
if (*s != ':') { /* If value is present, must start with : */
|
|
rc = LDAP_PARAM_ERROR;
|
|
goto cleanup;
|
|
}
|
|
|
|
/* Back up so value is in the form
|
|
a: value
|
|
a:: base64-value
|
|
a:< url
|
|
Then we can use ldif_parse_line2 to extract and decode the value
|
|
*/
|
|
s--;
|
|
*s = 'a';
|
|
|
|
rc = ldif_parse_line2(s, &type, &bv, &freeval);
|
|
if (rc < 0) {
|
|
rc = LDAP_PARAM_ERROR;
|
|
goto cleanup;
|
|
}
|
|
}
|
|
|
|
/* Create a new LDAPControl structure. */
|
|
newctrl = (LDAPControl *)ber_memalloc(sizeof(LDAPControl));
|
|
if ( newctrl == NULL ) {
|
|
rc = LDAP_NO_MEMORY;
|
|
goto cleanup;
|
|
}
|
|
newctrl->ldctl_oid = oid;
|
|
oid = NULL;
|
|
newctrl->ldctl_iscritical = criticality;
|
|
if ( freeval )
|
|
newctrl->ldctl_value = bv;
|
|
else
|
|
ber_dupbv( &newctrl->ldctl_value, &bv );
|
|
|
|
/* Add the new control to the passed-in list of controls. */
|
|
i = 0;
|
|
if (pctrls) {
|
|
while ( pctrls[i] ) { /* Count the # of controls passed in */
|
|
i++;
|
|
}
|
|
}
|
|
/* Allocate 1 more slot for the new control and 1 for the NULL. */
|
|
pctrls = (LDAPControl **) ber_memrealloc(pctrls,
|
|
(i+2)*(sizeof(LDAPControl *)));
|
|
if (pctrls == NULL) {
|
|
rc = LDAP_NO_MEMORY;
|
|
goto cleanup;
|
|
}
|
|
pctrls[i] = newctrl;
|
|
newctrl = NULL;
|
|
pctrls[i+1] = NULL;
|
|
*ppctrls = pctrls;
|
|
|
|
cleanup:
|
|
if (newctrl) {
|
|
if (newctrl->ldctl_oid) ber_memfree(newctrl->ldctl_oid);
|
|
if (newctrl->ldctl_value.bv_val) {
|
|
ber_memfree(newctrl->ldctl_value.bv_val);
|
|
}
|
|
ber_memfree(newctrl);
|
|
}
|
|
if (oid) ber_memfree(oid);
|
|
|
|
return( rc );
|
|
}
|
|
|
|
|