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72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/* opensock.c - open a unix domain socket */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 2007-2015 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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/* ACKNOWLEDGEMENTS:
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* This work was initially developed by Brian Candler for inclusion
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* in OpenLDAP Software.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/errno.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include <ac/unistd.h>
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#include "slap.h"
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#include "back-sock.h"
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/*
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* FIXME: count the number of concurrent open sockets (since each thread
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* may open one). Perhaps block here if a soft limit is reached, and fail
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* if a hard limit reached
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*/
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FILE *
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opensock(
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const char *sockpath
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)
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{
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int fd;
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FILE *fp;
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struct sockaddr_un sockun;
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fd = socket(PF_UNIX, SOCK_STREAM, 0);
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if ( fd < 0 ) {
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Debug( LDAP_DEBUG_ANY, "socket create failed\n", 0, 0, 0 );
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return( NULL );
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}
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sockun.sun_family = AF_UNIX;
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sprintf(sockun.sun_path, "%.*s", (int)(sizeof(sockun.sun_path)-1),
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sockpath);
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if ( connect( fd, (struct sockaddr *)&sockun, sizeof(sockun) ) < 0 ) {
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Debug( LDAP_DEBUG_ANY, "socket connect(%s) failed\n",
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sockpath ? sockpath : "<null>", 0, 0 );
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close( fd );
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return( NULL );
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}
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if ( ( fp = fdopen( fd, "r+" ) ) == NULL ) {
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Debug( LDAP_DEBUG_ANY, "fdopen failed\n", 0, 0, 0 );
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close( fd );
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return( NULL );
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}
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return( fp );
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}
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