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/* opensock.c - open a unix domain socket */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2007-2021 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 the file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Brian Candler for inclusion
* in OpenLDAP Software.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/errno.h>
#include <ac/string.h>
#include <ac/socket.h>
#include <ac/unistd.h>
#include "slap.h"
#include "back-sock.h"
/*
* FIXME: count the number of concurrent open sockets (since each thread
* may open one). Perhaps block here if a soft limit is reached, and fail
* if a hard limit reached
*/
FILE *
opensock(
const char *sockpath
)
{
int fd;
FILE *fp;
struct sockaddr_un sockun;
fd = socket(PF_UNIX, SOCK_STREAM, 0);
if ( fd < 0 ) {
Debug( LDAP_DEBUG_ANY, "socket create failed\n", 0, 0, 0 );
return( NULL );
}
sockun.sun_family = AF_UNIX;
sprintf(sockun.sun_path, "%.*s", (int)(sizeof(sockun.sun_path)-1),
sockpath);
if ( connect( fd, (struct sockaddr *)&sockun, sizeof(sockun) ) < 0 ) {
Debug( LDAP_DEBUG_ANY, "socket connect(%s) failed\n",
sockpath ? sockpath : "<null>", 0, 0 );
close( fd );
return( NULL );
}
if ( ( fp = fdopen( fd, "r+" ) ) == NULL ) {
Debug( LDAP_DEBUG_ANY, "fdopen failed\n", 0, 0, 0 );
close( fd );
return( NULL );
}
return( fp );
}
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