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 #include "uucp.h"
31
32 /*
33 * gwd - get working directory
34 * Uid and Euid are global
35 * return
36 * 0 - ok
37 * FAIL - failed
38 */
39
40 int
gwd(wkdir)41 gwd(wkdir)
42 char *wkdir;
43 {
44 FILE *fp;
45 char cmd[BUFSIZ];
46
47 *wkdir = '\0';
48 (void) sprintf(cmd, "%s pwd 2>&-", PATH);
49
50 #ifndef V7
51 (void) setuid(Uid);
52 fp = popen(cmd, "r");
53 (void) setuid(Euid);
54 #else
55 fp = popen(cmd, "r");
56 #endif
57
58 if (fp == NULL)
59 return(FAIL);
60
61 if (fgets(wkdir, MAXFULLNAME, fp) == NULL) {
62 (void) pclose(fp);
63 return(FAIL);
64 }
65 if (wkdir[strlen(wkdir)-1] == '\n')
66 wkdir[strlen(wkdir)-1] = '\0';
67 (void) pclose(fp);
68 return(0);
69 }
70
71
72 /*
73 * uidstat(file, &statbuf)
74 * This is a stat call with the uid set from Euid to Uid.
75 * Used from uucp.c and uux.c to permit file copies
76 * from directories that may not be searchable by other.
77 * return:
78 * same as stat()
79 */
80
81 int
uidstat(file,buf)82 uidstat(file, buf)
83 char *file;
84 struct stat *buf;
85 {
86 #ifndef V7
87 int ret;
88
89 (void) setuid(Uid);
90 ret = stat(file, buf);
91 (void) setuid(Euid);
92 return(ret);
93 #else /* V7 */
94 int ret;
95
96 if (vfork() == 0) {
97 (void) setuid(Uid);
98 _exit(stat(file, buf));
99 }
100 wait(&ret);
101 return(ret);
102 #endif /* V7 */
103 }
104