diff options
Diffstat (limited to 'servers/slapd/back-sock/opensock.c')
-rw-r--r-- | servers/slapd/back-sock/opensock.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/servers/slapd/back-sock/opensock.c b/servers/slapd/back-sock/opensock.c new file mode 100644 index 0000000..cc93b1e --- /dev/null +++ b/servers/slapd/back-sock/opensock.c @@ -0,0 +1,71 @@ +/* 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 ); +} |