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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
     28 /*	  All Rights Reserved  	*/
     29 
     30 
     31 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     32 
     33 #include "uucp.h"
     34 
     35 /*
     36  *	gwd - get working directory
     37  *	Uid and Euid are global
     38  *	return
     39  *		0 - ok
     40  *	 	FAIL - failed
     41  */
     42 
     43 int
     44 gwd(wkdir)
     45 char *wkdir;
     46 {
     47 	FILE *fp;
     48 	char cmd[BUFSIZ];
     49 
     50 	*wkdir = '\0';
     51 	(void) sprintf(cmd, "%s pwd 2>&-", PATH);
     52 
     53 #ifndef V7
     54 	(void) setuid(Uid);
     55 	fp = popen(cmd, "r");
     56 	(void) setuid(Euid);
     57 #else
     58 	fp = popen(cmd, "r");
     59 #endif
     60 
     61 	if (fp == NULL)
     62 		return(FAIL);
     63 
     64 	if (fgets(wkdir, MAXFULLNAME, fp) == NULL) {
     65 		(void) pclose(fp);
     66 		return(FAIL);
     67 	}
     68 	if (wkdir[strlen(wkdir)-1] == '\n')
     69 		wkdir[strlen(wkdir)-1] = '\0';
     70 	(void) pclose(fp);
     71 	return(0);
     72 }
     73 
     74 
     75 /*
     76  * uidstat(file, &statbuf)
     77  * This is a stat call with the uid set from Euid to Uid.
     78  * Used from uucp.c and uux.c to permit file copies
     79  * from directories that may not be searchable by other.
     80  * return:
     81  *	same as stat()
     82  */
     83 
     84 int
     85 uidstat(file, buf)
     86 char *file;
     87 struct stat *buf;
     88 {
     89 #ifndef V7
     90 	int ret;
     91 
     92 	(void) setuid(Uid);
     93 	ret = stat(file, buf);
     94 	(void) setuid(Euid);
     95 	return(ret);
     96 #else /* V7 */
     97 	int	ret;
     98 
     99 	if (vfork() == 0) {
    100 		(void) setuid(Uid);
    101 		_exit(stat(file, buf));
    102 	}
    103 	wait(&ret);
    104 	return(ret);
    105 #endif /* V7 */
    106 }
    107