openldap/servers/slurpd/reject.c
2003-11-26 18:19:00 +00:00

141 lines
3.9 KiB
C

/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2003 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* Portions Copyright (c) 1996 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
/* ACKNOWLEDGEMENTS:
* This work was originally developed by the University of Michigan
* (as part of U-MICH LDAP).
*/
/*
* reject.c - routines to write replication records to reject files.
* An Re struct is writted to a reject file if it cannot be propagated
* to a replica LDAP server.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/errno.h>
#include <ac/unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "slurp.h"
#include "globals.h"
#ifdef _WIN32
#define PORTSEP ","
#else
#define PORTSEP ":"
#endif
/*
* Write a replication record to a reject file. The reject file has the
* same name as the replica's private copy of the file but with ".rej"
* appended (e.g. "/usr/tmp/<hostname>:<port>.rej")
*
* If errmsg is non-NULL, use that as the error message in the reject
* file. Otherwise, use ldap_err2string( lderr ).
*/
void
write_reject(
Ri *ri,
Re *re,
int lderr,
char *errmsg
)
{
char rejfile[ MAXPATHLEN ];
FILE *rfp, *lfp;
int rc;
ldap_pvt_thread_mutex_lock( &sglob->rej_mutex );
snprintf( rejfile, sizeof rejfile, "%s" LDAP_DIRSEP "%s" PORTSEP "%d.rej",
sglob->slurpd_rdir, ri->ri_hostname, ri->ri_port );
if ( access( rejfile, F_OK ) < 0 ) {
/* Doesn't exist - try to create */
int rjfd;
if (( rjfd = open( rejfile, O_RDWR|O_APPEND|O_CREAT|O_EXCL,
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP )) < 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG ( SLURPD, ERR, "write_reject: "
"Error: Cannot create \"%s\":%s\n",
rejfile, sys_errlist[ errno ], 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: write_reject: Cannot create \"%s\": %s\n",
rejfile, sys_errlist[ errno ], 0 );
#endif
ldap_pvt_thread_mutex_unlock( &sglob->rej_mutex );
return;
} else {
close( rjfd );
}
}
if (( rc = acquire_lock( rejfile, &rfp, &lfp )) < 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG ( SLURPD, ERR, "write_reject: "
"Error: Cannot open reject file \"%s\"\n", rejfile, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "Error: cannot open reject file \"%s\"\n",
rejfile, 0, 0 );
#endif
} else {
fseek( rfp, 0, 2 );
if ( errmsg != NULL ) {
fprintf( rfp, "%s: %s\n", ERROR_STR, errmsg );
} else {
fprintf( rfp, "%s: %s\n", ERROR_STR, ldap_err2string( lderr ));
}
if ((rc = re->re_write( ri, re, rfp )) < 0 ) {
#ifdef NEW_LOGGING
LDAP_LOG ( SLURPD, ERR, "write_reject: "
"Error: Cannot write reject file \"%s\"\n", rejfile, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: cannot write reject file \"%s\"\n",
rejfile, 0, 0 );
#endif
}
(void) relinquish_lock( rejfile, rfp, lfp );
#ifdef NEW_LOGGING
LDAP_LOG ( SLURPD, ERR, "write_reject: "
"Error: ldap operation failed, data written to \"%s\"\n",
rejfile, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: ldap operation failed, data written to \"%s\"\n",
rejfile, 0, 0 );
#endif
}
ldap_pvt_thread_mutex_unlock( &sglob->rej_mutex );
return;
}