diff options
Diffstat (limited to 'lib/libc/rpc/rtime.c')
| -rw-r--r-- | lib/libc/rpc/rtime.c | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/lib/libc/rpc/rtime.c b/lib/libc/rpc/rtime.c deleted file mode 100644 index fb2b402..0000000 --- a/lib/libc/rpc/rtime.c +++ /dev/null @@ -1,157 +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 - */ - -/* - * Copyright (c) 1988 by Sun Microsystems, Inc. - - */ - -/* - * rtime - get time from remote machine - * - * gets time, obtaining value from host - * on the udp/time socket. Since timeserver returns - * with time of day in seconds since Jan 1, 1900, must - * subtract seconds before Jan 1, 1970 to get - * what unix uses. - */ -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/time.h> -#include <netinet/in.h> -#include <stdio.h> -#include <netdb.h> - -#if defined(LIBC_SCCS) && !defined(lint) -/* from: static char sccsid[] = "@(#)rtime.c 2.2 88/08/10 4.0 RPCSRC; from 1.8 88/02/08 SMI"; */ -static const char rcsid[] = "$Id$"; -#endif - -extern int _rpc_dtablesize __P(( void )); - -#define NYEARS (unsigned long)(1970 - 1900) -#define TOFFSET (unsigned long)(60*60*24*(365*NYEARS + (NYEARS/4))) - -static void do_close __P(( int )); - -int -rtime(addrp, timep, timeout) - struct sockaddr_in *addrp; - struct timeval *timep; - struct timeval *timeout; -{ - int s; - fd_set readfds; - int res; - unsigned long thetime; - struct sockaddr_in from; - int fromlen; - int type; - struct servent *serv; - - if (timeout == NULL) { - type = SOCK_STREAM; - } else { - type = SOCK_DGRAM; - } - s = socket(AF_INET, type, 0); - if (s < 0) { - return(-1); - } - addrp->sin_family = AF_INET; - - /* TCP and UDP port are the same in this case */ - if ((serv = getservbyname("time", "tcp")) == NULL) { - return(-1); - } - - addrp->sin_port = serv->s_port; - - if (type == SOCK_DGRAM) { - res = sendto(s, (char *)&thetime, sizeof(thetime), 0, - (struct sockaddr *)addrp, sizeof(*addrp)); - if (res < 0) { - do_close(s); - return(-1); - } - do { - FD_ZERO(&readfds); - FD_SET(s, &readfds); - res = select(_rpc_dtablesize(), &readfds, - (fd_set *)NULL, (fd_set *)NULL, timeout); - } while (res < 0 && errno == EINTR); - if (res <= 0) { - if (res == 0) { - errno = ETIMEDOUT; - } - do_close(s); - return(-1); - } - fromlen = sizeof(from); - res = recvfrom(s, (char *)&thetime, sizeof(thetime), 0, - (struct sockaddr *)&from, &fromlen); - do_close(s); - if (res < 0) { - return(-1); - } - } else { - if (connect(s, (struct sockaddr *)addrp, sizeof(*addrp)) < 0) { - do_close(s); - return(-1); - } - res = read(s, (char *)&thetime, sizeof(thetime)); - do_close(s); - if (res < 0) { - return(-1); - } - } - if (res != sizeof(thetime)) { - errno = EIO; - return(-1); - } - thetime = ntohl(thetime); - timep->tv_sec = thetime - TOFFSET; - timep->tv_usec = 0; - return(0); -} - -static void -do_close(s) - int s; -{ - int save; - - save = errno; - (void) close(s); - errno = save; -} |
