diff options
Diffstat (limited to 'lib/libc/rpc/bindresvport.c')
-rw-r--r-- | lib/libc/rpc/bindresvport.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/lib/libc/rpc/bindresvport.c b/lib/libc/rpc/bindresvport.c deleted file mode 100644 index dea8705..0000000 --- a/lib/libc/rpc/bindresvport.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Sun RPC is a product of Sun Microsystems, Inc. and is provided for - * unrestricted use provided that this legend is included on all tape - * media and as a part of the software program in whole or part. Users - * may copy or modify Sun RPC without charge, but are not authorized - * to license or distribute it to anyone else except as part of a product or - * program developed by the user. - * - * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE - * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR - * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. - * - * Sun RPC is provided with no support and without any obligation on the - * part of Sun Microsystems, Inc. to assist in its use, correction, - * modification or enhancement. - * - * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE - * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC - * OR ANY PART THEREOF. - * - * In no event will Sun Microsystems, Inc. be liable for any lost revenue - * or profits or other special, indirect and consequential damages, even if - * Sun has been advised of the possibility of such damages. - * - * Sun Microsystems, Inc. - * 2550 Garcia Avenue - * Mountain View, California 94043 - */ - -#if defined(LIBC_SCCS) && !defined(lint) -/*static char *sccsid = "from: @(#)bindresvport.c 1.8 88/02/08 SMI";*/ -/*static char *sccsid = "from: @(#)bindresvport.c 2.2 88/07/29 4.0 RPCSRC";*/ -/*from: OpenBSD: bindresvport.c,v 1.7 1996/07/30 16:25:47 downsj Exp */ -static char *rcsid = "$Id: bindresvport.c,v 1.6 1996/12/30 14:12:36 peter Exp $"; -#endif - -/* - * Copyright (c) 1987 by Sun Microsystems, Inc. - * - * Portions Copyright(C) 1996, Jason Downs. All rights reserved. - */ - -#include <sys/types.h> -#include <sys/errno.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <unistd.h> -#include <string.h> - -/* - * Bind a socket to a privileged IP port - */ -int -bindresvport(sd, sin) - int sd; - struct sockaddr_in *sin; -{ - int on, old, error; - struct sockaddr_in myaddr; - int sinlen = sizeof(struct sockaddr_in); - - if (sin == (struct sockaddr_in *)0) { - sin = &myaddr; - memset(sin, 0, sinlen); - sin->sin_len = sinlen; - sin->sin_family = AF_INET; - } else if (sin->sin_family != AF_INET) { - errno = EPFNOSUPPORT; - return (-1); - } - - if (sin->sin_port == 0) { - int oldlen = sizeof(old); - error = getsockopt(sd, IPPROTO_IP, IP_PORTRANGE, - &old, &oldlen); - if (error < 0) - return(error); - - on = IP_PORTRANGE_LOW; - error = setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, - &on, sizeof(on)); - if (error < 0) - return(error); - } - - error = bind(sd, (struct sockaddr *)sin, sinlen); - - if (sin->sin_port == 0) { - int saved_errno = errno; - - if (error) { - if (setsockopt(sd, IPPROTO_IP, IP_PORTRANGE, - &old, sizeof(old)) < 0) - errno = saved_errno; - return (error); - } - - if (sin != &myaddr) { - /* Hmm, what did the kernel assign... */ - if (getsockname(sd, (struct sockaddr *)sin, - &sinlen) < 0) - errno = saved_errno; - return (error); - } - } - return (error); -} |