cmd/rexd/where_main.c

	where_main.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 * Copyright 1992 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident   "%Z%%M% %I% %E% SMI"

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

#include <sys/param.h>

static char **Argv;     /* saved argument vector (for ps) */
static char *LastArgv;      /* saved end-of-argument vector */

int child = 0;          /* pid of the executed process */
int ChildDied = 0;      /* true when above is valid */
int HasHelper = 0;      /* must kill helpers (interactive mode) */


int Debug = 0;


void
main(argc, argv)
    char **argv;
{
    char host[MAXPATHLEN];
    char fsname[MAXPATHLEN];
    char within[MAXPATHLEN];
    char *pn;
    int many;

    /*
     * argv start and extent for setproctitle()
     */
    Argv = argv;
    if (argc > 0)
        LastArgv = argv[argc-1] + strlen(argv[argc-1]);
    else
        LastArgv = NULL;

    many = argc > 2;
    while (--argc > 0) {

        if ( strcmp( "-d", *argv ) == 0 )
        {
            Debug = 1;
            argv++;
            continue;
        }
        pn = *++argv;
        where(pn, host, fsname, within);
        if (many)
            printf("%s:\t", pn);
        printf("%s:%s%s\n", host, fsname, within);
    }
    exit(0);
    /* NOTREACHED */
}

/*
 *  SETPROCTITLE -- set the title of this process for "ps"
 *
 *  Does nothing if there were not enough arguments on the command
 *  line for the information.
 *
 *  Side Effects:
 *      Clobbers argv[] of our main procedure.
 */
void
setproctitle(user, host)
    char *user, *host;
{
    register char *tohere;

    tohere = Argv[0];
    if (LastArgv == NULL ||
            strlen(user)+strlen(host)+3 > (LastArgv - tohere))
        return;
    *tohere++ = '-';        /* So ps prints (rpc.rexd)  */
    sprintf(tohere, "%s@%s", user, host);
    while (*tohere++)       /* Skip to end of printf output */
        ;
    while (tohere < LastArgv)   /* Avoid confusing ps       */
        *tohere++ = ' ';
}