From 61ce166c6c63c89c4b9ef73e614ebf34c4f01f03 Mon Sep 17 00:00:00 2001 From: Geoff Rehmet Date: Sun, 28 Aug 1994 15:06:02 +0000 Subject: [PATCH] rusers from FreeBSD 1.1.5.1 Reviewed by: Geoff. Submitted by: John Brezak --- usr.bin/rusers/Makefile | 9 ++ usr.bin/rusers/rusers.1 | 93 +++++++++++++++ usr.bin/rusers/rusers.c | 249 ++++++++++++++++++++++++++++++++++++++++ 3 files changed, 351 insertions(+) create mode 100644 usr.bin/rusers/Makefile create mode 100644 usr.bin/rusers/rusers.1 create mode 100644 usr.bin/rusers/rusers.c diff --git a/usr.bin/rusers/Makefile b/usr.bin/rusers/Makefile new file mode 100644 index 000000000000..6e2fd6ab2fc6 --- /dev/null +++ b/usr.bin/rusers/Makefile @@ -0,0 +1,9 @@ +# $Id: Makefile,v 1.2 1993/11/10 03:47:23 smace Exp $ + +PROG = rusers +MAN1 = rusers.1 + +DPADD= ${LIBRPCSVC} +LDADD= -lrpcsvc + +.include diff --git a/usr.bin/rusers/rusers.1 b/usr.bin/rusers/rusers.1 new file mode 100644 index 000000000000..ef7d1238c86d --- /dev/null +++ b/usr.bin/rusers/rusers.1 @@ -0,0 +1,93 @@ +.\" Copyright (c) 1983, 1990 The Regents of the University of California. +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" from: @(#)rusers.1 6.7 (Berkeley) 4/23/91 +.\" $Id: rusers.1,v 1.1 1993/09/16 01:15:47 jtc Exp $ +.\" +.Dd April 23, 1991 +.Dt RUSERS 1 +.Os BSD 4.2 +.Sh NAME +.Nm rusers +.Nd who is logged in to machines on local network +.Sh SYNOPSIS +.Nm rusers +.Op Fl al +.Op Ar host ... +.Sh DESCRIPTION +The +.Nm rusers +command produces output similar to +.Xr who , +but for the list of hosts or all machines on the local +network. For each host responding to the rusers query, +the hostname with the names of the users currently logged +on is printed on each line. The rusers command will wait for +one minute to catch late responders. +.Pp +The following options are available: +.Bl -tag -width indent +.It Fl a +Print all machines responding even if no one is currently logged in. +.It Fl l +Print a long format listing. This includes the user name, host name, +tty that the user is logged in to, the date and time the user +logged in, the amount of time since the user typed on the keyboard, +and the remote host they logged in from (if applicable). +.El +.Sh DIAGNOSTICS +.Bl -tag -width indent +.It rusers: RPC: Program not registered +The +.Xr rpc.rusersd 8 +daemon has not been started on the remote host. +.It rusers: RPC: Timed out +A communication error occurred. Either the network is +excessively congested, or the +.Xr rpc.rusersd 8 +daemon has terminated on the remote host. +.It rusers: RPC: Port mapper failure - RPC: Timed out +The remote host is not running the portmapper (see +.Xr portmap 8 ), +and cannot accomodate any RPC-based services. The host may be down. +.El +.Sh SEE ALSO +.Xr portmap 8 , +.Xr who 1 , +.Xr rpc.rusersd 8 +.Sh HISTORY +The +.Nm rusers +command +appeared in +.Em Sun-OS . +.Sh BUGS +The sorting options are not implemented. diff --git a/usr.bin/rusers/rusers.c b/usr.bin/rusers/rusers.c new file mode 100644 index 000000000000..034660168eff --- /dev/null +++ b/usr.bin/rusers/rusers.c @@ -0,0 +1,249 @@ +/*- + * Copyright (c) 1993, John Brezak + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char rcsid[] = "$Id: rusers.c,v 1.1 1993/09/16 01:15:48 jtc Exp $"; +#endif /* not lint */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define MAX_INT 0x7fffffff +#define HOST_WIDTH 20 +#define LINE_WIDTH 15 +char *argv0; + +int longopt; +int allopt; + +struct host_list { + struct host_list *next; + struct in_addr addr; +} *hosts; + +int search_host(struct in_addr addr) +{ + struct host_list *hp; + + if (!hosts) + return(0); + + for (hp = hosts; hp != NULL; hp = hp->next) { + if (hp->addr.s_addr == addr.s_addr) + return(1); + } + return(0); +} + +void remember_host(struct in_addr addr) +{ + struct host_list *hp; + + if (!(hp = (struct host_list *)malloc(sizeof(struct host_list)))) { + fprintf(stderr, "%s: no memory.\n", argv0); + exit(1); + } + hp->addr.s_addr = addr.s_addr; + hp->next = hosts; + hosts = hp; +} + +rusers_reply(char *replyp, struct sockaddr_in *raddrp) +{ + int x, idle; + char date[32], idle_time[64], remote[64]; + struct hostent *hp; + utmpidlearr *up = (utmpidlearr *)replyp; + char *host; + int days, hours, minutes, seconds; + + if (search_host(raddrp->sin_addr)) + return(0); + + if (!allopt && !up->utmpidlearr_len) + return(0); + + hp = gethostbyaddr((char *)&raddrp->sin_addr.s_addr, + sizeof(struct in_addr), AF_INET); + if (hp) + host = hp->h_name; + else + host = inet_ntoa(raddrp->sin_addr); + + if (!longopt) + printf("%-*s ", HOST_WIDTH, host); + + for (x = 0; x < up->utmpidlearr_len; x++) { + strncpy(date, + &(ctime((time_t *)&(up->utmpidlearr_val[x].ui_utmp.ut_time))[4]), + sizeof(date)-1); + + idle = up->utmpidlearr_val[x].ui_idle; + sprintf(idle_time, " :%02d", idle); + if (idle == MAX_INT) + strcpy(idle_time, "??"); + else if (idle == 0) + strcpy(idle_time, ""); + else { + seconds = idle; + days = seconds/(60*60*24); + seconds %= (60*60*24); + hours = seconds/(60*60); + seconds %= (60*60); + minutes = seconds/60; + seconds %= 60; + if (idle > 60) + sprintf(idle_time, "%d:%02d", + minutes, seconds); + if (idle >= (60*60)) + sprintf(idle_time, "%d:%02d:%02d", + hours, minutes, seconds); + if (idle >= (24*60*60)) + sprintf(idle_time, "%d days, %d:%02d:%02d", + days, hours, minutes, seconds); + } + + strncpy(remote, up->utmpidlearr_val[x].ui_utmp.ut_host, sizeof(remote)-1); + if (strlen(remote) != 0) + sprintf(remote, "(%.16s)", up->utmpidlearr_val[x].ui_utmp.ut_host); + + if (longopt) + printf("%-8.8s %*s:%-*.*s %-12.12s %6s %.18s\n", + up->utmpidlearr_val[x].ui_utmp.ut_name, + HOST_WIDTH, host, + LINE_WIDTH, LINE_WIDTH, up->utmpidlearr_val[x].ui_utmp.ut_line, + date, + idle_time, + remote + ); + else + printf("%s ", + up->utmpidlearr_val[x].ui_utmp.ut_name); + } + if (!longopt) + putchar('\n'); + + remember_host(raddrp->sin_addr); + return(0); +} + +onehost(char *host) +{ + utmpidlearr up; + CLIENT *rusers_clnt; + struct sockaddr_in addr; + struct hostent *hp; + + hp = gethostbyname(host); + if (hp == NULL) { + fprintf(stderr, "%s: unknown host \"%s\"\n", + argv0, host); + exit(1); + } + + rusers_clnt = clnt_create(host, RUSERSPROG, RUSERSVERS_IDLE, "udp"); + if (rusers_clnt == NULL) { + clnt_pcreateerror(argv0); + exit(1); + } + + bzero((char *)&up, sizeof(up)); + if (clnt_call(rusers_clnt, RUSERSPROC_NAMES, xdr_void, NULL, xdr_utmpidlearr, &up, NULL) != RPC_SUCCESS) { + clnt_perror(rusers_clnt, argv0); + exit(1); + } + addr.sin_addr.s_addr = *(int *)hp->h_addr; + rusers_reply((char *)&up, &addr); +} + +allhosts() +{ + utmpidlearr up; + enum clnt_stat clnt_stat; + + bzero((char *)&up, sizeof(up)); + clnt_stat = clnt_broadcast(RUSERSPROG, RUSERSVERS_IDLE, RUSERSPROC_NAMES, + xdr_void, NULL, + xdr_utmpidlearr, &up, rusers_reply); + if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT) { + fprintf(stderr, "%s: %s\n", argv0, clnt_sperrno(clnt_stat)); + exit(1); + } +} + +usage() +{ + fprintf(stderr, "Usage: %s [-la] [hosts ...]\n", argv0); + exit(1); +} + +main(int argc, char *argv[]) +{ + int ch; + extern int optind; + + if (!(argv0 = rindex(argv[0], '/'))) + argv0 = argv[0]; + else + argv0++; + + + while ((ch = getopt(argc, argv, "al")) != -1) + switch (ch) { + case 'a': + allopt++; + break; + case 'l': + longopt++; + break; + default: + usage(); + /*NOTREACHED*/ + } + + setlinebuf(stdout); + if (argc == optind) + allhosts(); + else { + for (; optind < argc; optind++) + (void) onehost(argv[optind]); + } + exit(0); +}