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att
GitHub Repository: att/ast
 Path: blob/master/src/cmd/cs/vcs_src/ifs_rsh.c
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/***********************************************************************

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*                                                                      *

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*               This software is part of the ast package               *

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*          Copyright (c) 1990-2011 AT&T Intellectual Property          *

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*                      and is licensed under the                       *

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*                 Eclipse Public License, Version 1.0                  *

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*                    by AT&T Intellectual Property                     *

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*                                                                      *

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*                A copy of the License is available at                 *

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*          http://www.eclipse.org/org/documents/epl-v10.html           *

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*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *

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*                                                                      *

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*              Information and Software Systems Research               *

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*                            AT&T Research                             *

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*                           Florham Park NJ                            *

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*                                                                      *

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*                 Glenn Fowler <[email protected]>                  *

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*                                                                      *

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***********************************************************************/

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/*

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 * File: ifs_rsh.c

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 */

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#include "ifs_agent.h"

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#include <stdio.h>

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struct {

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    int		version;

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} rsh_data;

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/*

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 * name: RshGetFile

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 *	get a file/directory from remote host

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 */

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int

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RshGetFile( srv )

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struct server_info *srv;

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{

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    struct mount_item	*mitem;

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    char	cmd[ STRLEN ];

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    char	tmpfile[ STRLEN ], buf[ STRLEN ];

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    char	*lpath, *rpath, *hostid, *userid;

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    FILE	*fp;

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    int		fd;

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    lpath = srv->lpath;

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    rpath = srv->rpath;

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    mitem = srv->mitem;

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    hostid = mitem->host;

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    userid = mitem->user;

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    if( *rpath == '\0' || DashD( lpath ) ) {

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	if( *rpath == '\0' ) rpath = "/";

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	if( userid == NULL || *userid == '\0' ) {

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	    sfsprintf( cmd, sizeof(cmd), "rsh %s", hostid );

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	} else {

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	    sfsprintf( cmd, sizeof(cmd), "rsh -l %s %s", userid, hostid );

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	}

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	sfsprintf( buf, sizeof(buf), "%s /bin/ls -alL %s", cmd, rpath );

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	logit( buf );

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	logit( "\n" );

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	if( (fp = popen( buf, "rw" )) == NULL )

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	    return -1;

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	MakeTmpFile( lpath, tmpfile, sizeof(tmpfile) );

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	if( (fd = open( tmpfile, O_WRONLY|O_CREAT, 0644 )) < 0 ) {

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	    cserrno = E_DATAXFER;

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	    return -1;

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	}

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	while( fgets( buf, sizeof(buf), fp ) != NULL )

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	    write( fd, buf, strlen(buf) );

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	close( fd );

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	fclose( fp );

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	sfsprintf( buf, sizeof(buf), "%s/._dir", lpath );

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	MakePath( buf );

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	chdir( lpath );

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	ftp_makedents( tmpfile );

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	rename( tmpfile, "._dir" );

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	symlink( mitem->timeout, "._cache_time" );

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    } else {

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	if( userid == NULL || *userid == '\0' ) {

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	    sfsprintf( cmd, sizeof(cmd), "%s", hostid );

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	} else { 

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	    sfsprintf( cmd, sizeof(cmd), "%s@%s", userid, hostid );

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	}

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	MakeTmpFile( lpath, tmpfile, sizeof(tmpfile) );

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	sfsprintf( buf, sizeof(buf), "rcp %s:%s %s", cmd, rpath, tmpfile );

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	logit( buf );

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	logit( "\n" );

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	if( (fp = popen( buf, "rw" )) == NULL )

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	    return -1;

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	fclose( fp );

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	if( !DashF( tmpfile ) )

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	    return -1;

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	MakePath( lpath );

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	rename( tmpfile, lpath );

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    }

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    return 0;

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}

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/*

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 * name: RshPutFile

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 *	put a file/directory to remote host

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 */

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int

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RshPutFile( srv )

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struct server_info *srv;

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{

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    return -1;

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}

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/*

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 * name: RshNop

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 *      unimplement command

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 */

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int

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RshNop()

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{

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    return 0;

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}

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int

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RshInit( tbl )

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struct agent_item	*tbl;

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{

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    tbl->localdata	= (char *) &rsh_data;

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    tbl->connect	= RshNop;

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    tbl->disconnect	= RshNop;

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    tbl->listdents	= RshGetFile;

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    tbl->getfile	= RshGetFile;

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    tbl->putfile	= RshPutFile;

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    tbl->userdef	= RshNop;

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    return 0;

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}

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