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
gwd(wkdir)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
uidstat(file,buf)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