xref: /onnv-gate/usr/src/cmd/rexd/where_main.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  *
22*0Sstevel@tonic-gate  * Copyright 1992 Sun Microsystems, Inc.  All rights reserved.
23*0Sstevel@tonic-gate  * Use is subject to license terms.
24*0Sstevel@tonic-gate  */
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
27*0Sstevel@tonic-gate 
28*0Sstevel@tonic-gate #include <stdio.h>
29*0Sstevel@tonic-gate #include <stdlib.h>
30*0Sstevel@tonic-gate #include <unistd.h>
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #include <sys/param.h>
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate static char **Argv;		/* saved argument vector (for ps) */
35*0Sstevel@tonic-gate static char *LastArgv;		/* saved end-of-argument vector */
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate int child = 0;			/* pid of the executed process */
38*0Sstevel@tonic-gate int ChildDied = 0;		/* true when above is valid */
39*0Sstevel@tonic-gate int HasHelper = 0;		/* must kill helpers (interactive mode) */
40*0Sstevel@tonic-gate 
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate int	Debug = 0;
43*0Sstevel@tonic-gate 
44*0Sstevel@tonic-gate 
45*0Sstevel@tonic-gate void
main(argc,argv)46*0Sstevel@tonic-gate main(argc, argv)
47*0Sstevel@tonic-gate 	char **argv;
48*0Sstevel@tonic-gate {
49*0Sstevel@tonic-gate 	char host[MAXPATHLEN];
50*0Sstevel@tonic-gate 	char fsname[MAXPATHLEN];
51*0Sstevel@tonic-gate 	char within[MAXPATHLEN];
52*0Sstevel@tonic-gate 	char *pn;
53*0Sstevel@tonic-gate 	int many;
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	/*
56*0Sstevel@tonic-gate 	 * argv start and extent for setproctitle()
57*0Sstevel@tonic-gate 	 */
58*0Sstevel@tonic-gate 	Argv = argv;
59*0Sstevel@tonic-gate 	if (argc > 0)
60*0Sstevel@tonic-gate 		LastArgv = argv[argc-1] + strlen(argv[argc-1]);
61*0Sstevel@tonic-gate 	else
62*0Sstevel@tonic-gate 		LastArgv = NULL;
63*0Sstevel@tonic-gate 
64*0Sstevel@tonic-gate 	many = argc > 2;
65*0Sstevel@tonic-gate 	while (--argc > 0) {
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate 		if ( strcmp( "-d", *argv ) == 0 )
68*0Sstevel@tonic-gate 		{
69*0Sstevel@tonic-gate 			Debug = 1;
70*0Sstevel@tonic-gate 			argv++;
71*0Sstevel@tonic-gate 			continue;
72*0Sstevel@tonic-gate 		}
73*0Sstevel@tonic-gate 		pn = *++argv;
74*0Sstevel@tonic-gate 		where(pn, host, fsname, within);
75*0Sstevel@tonic-gate 		if (many)
76*0Sstevel@tonic-gate 			printf("%s:\t", pn);
77*0Sstevel@tonic-gate 		printf("%s:%s%s\n", host, fsname, within);
78*0Sstevel@tonic-gate 	}
79*0Sstevel@tonic-gate 	exit(0);
80*0Sstevel@tonic-gate 	/* NOTREACHED */
81*0Sstevel@tonic-gate }
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate /*
84*0Sstevel@tonic-gate  *  SETPROCTITLE -- set the title of this process for "ps"
85*0Sstevel@tonic-gate  *
86*0Sstevel@tonic-gate  *	Does nothing if there were not enough arguments on the command
87*0Sstevel@tonic-gate  * 	line for the information.
88*0Sstevel@tonic-gate  *
89*0Sstevel@tonic-gate  *	Side Effects:
90*0Sstevel@tonic-gate  *		Clobbers argv[] of our main procedure.
91*0Sstevel@tonic-gate  */
92*0Sstevel@tonic-gate void
setproctitle(user,host)93*0Sstevel@tonic-gate setproctitle(user, host)
94*0Sstevel@tonic-gate 	char *user, *host;
95*0Sstevel@tonic-gate {
96*0Sstevel@tonic-gate 	register char *tohere;
97*0Sstevel@tonic-gate 
98*0Sstevel@tonic-gate 	tohere = Argv[0];
99*0Sstevel@tonic-gate 	if (LastArgv == NULL ||
100*0Sstevel@tonic-gate 			strlen(user)+strlen(host)+3 > (LastArgv - tohere))
101*0Sstevel@tonic-gate 		return;
102*0Sstevel@tonic-gate 	*tohere++ = '-';		/* So ps prints (rpc.rexd)	*/
103*0Sstevel@tonic-gate 	sprintf(tohere, "%s@%s", user, host);
104*0Sstevel@tonic-gate 	while (*tohere++)		/* Skip to end of printf output	*/
105*0Sstevel@tonic-gate 		;
106*0Sstevel@tonic-gate 	while (tohere < LastArgv)	/* Avoid confusing ps		*/
107*0Sstevel@tonic-gate 		*tohere++ = ' ';
108*0Sstevel@tonic-gate }
109