openldap/servers/slurpd/reject.c
1998-08-09 00:43:13 +00:00

97 lines
2.6 KiB
C

/*
* 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.
*/
/*
* 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 <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include "slurp.h"
#include "globals.h"
#ifndef SYSERRLIST_IN_STDIO
extern char *sys_errlist[];
#endif /* SYSERRLIST_IN_STDIO */
/*
* 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;
pthread_mutex_lock( &sglob->rej_mutex );
sprintf( rejfile, "%s/%s:%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,
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP )) < 0 ) {
Debug( LDAP_DEBUG_ANY,
"Error: write_reject: Cannot create \"%s\": %s\n",
rejfile, sys_errlist[ errno ], 0 );
pthread_mutex_unlock( &sglob->rej_mutex );
return;
} else {
close( rjfd );
}
}
if (( rc = acquire_lock( rejfile, &rfp, &lfp )) < 0 ) {
Debug( LDAP_DEBUG_ANY, "Error: cannot open reject file \"%s\"\n",
rejfile, 0, 0 );
} 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 ) {
Debug( LDAP_DEBUG_ANY,
"Error: cannot write reject file \"%s\"\n",
rejfile, 0, 0 );
}
(void) relinquish_lock( rejfile, rfp, lfp );
Debug( LDAP_DEBUG_ANY,
"Error: ldap operation failed, data written to \"%s\"\n",
rejfile, 0, 0 );
}
pthread_mutex_unlock( &sglob->rej_mutex );
return;
}