1 /*
2  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms of version 2 of the GNU General Public License as
6  * published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it would be useful, but
9  * WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11  *
12  * Further, this software is distributed without any warranty that it is
13  * free of the rightful claim of any third person regarding infringement
14  * or the like.  Any license provided herein, whether implied or
15  * otherwise, applies only to this software file.  Patent licenses, if
16  * any, provided herein do not apply to combinations of this program with
17  * other software, or any other product whatsoever.
18  *
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write the Free Software Foundation, Inc.,
21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22  *
23  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
24  * Mountain View, CA  94043, or:
25  *
26  * http://www.sgi.com
27  *
28  * For further information regarding this notice, see:
29  *
30  * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
31  *
32  * Author: William Roske
33  * Co-pilot: Dave Fenner
34  */
35 
36 /*
37  * Testcase to test the basic functionality of setregid(2) systemm call.
38  */
39 
40 #include <errno.h>
41 #include <string.h>
42 #include <signal.h>
43 #include <sys/types.h>
44 
45 #include "test.h"
46 #include "compat_16.h"
47 
48 static void setup(void);
49 
50 TCID_DEFINE(setregid01);
51 int TST_TOTAL = 5;
52 
53 static gid_t gid, egid;	/* current real and effective group id */
54 
main(int ac,char ** av)55 int main(int ac, char **av)
56 {
57 	int lc;
58 
59 	tst_parse_opts(ac, av, NULL, NULL);
60 
61 	setup();
62 
63 	for (lc = 0; TEST_LOOPING(lc); lc++) {
64 
65 		tst_count = 0;
66 
67 		/*
68 		 * TEST CASE:
69 		 *  Dont change either real or effective gid
70 		 */
71 		gid = getgid();
72 		GID16_CHECK(gid, setregid, NULL);
73 
74 		egid = getegid();
75 		GID16_CHECK(egid, setregid, NULL);
76 
77 		TEST(SETREGID(NULL, -1, -1));
78 
79 		if (TEST_RETURN == -1) {
80 			tst_resm(TFAIL,
81 				 "setregid -  Dont change either real or effective gid failed, errno=%d : %s",
82 				 TEST_ERRNO, strerror(TEST_ERRNO));
83 		} else {
84 			tst_resm(TPASS,
85 				 "setregid -  Dont change either real or effective gid returned %ld",
86 				 TEST_RETURN);
87 		}
88 
89 		/*
90 		 * TEST CASE:
91 		 *  change effective to effective gid
92 		 */
93 
94 		TEST(SETREGID(NULL, -1, egid));
95 
96 		if (TEST_RETURN == -1) {
97 			tst_resm(TFAIL,
98 				 "setregid -  change effective to effective gid failed, errno=%d : %s",
99 				 TEST_ERRNO, strerror(TEST_ERRNO));
100 		} else {
101 			tst_resm(TPASS,
102 				 "setregid -  change effective to effective gid returned %ld",
103 				 TEST_RETURN);
104 		}
105 
106 		/*
107 		 * TEST CASE:
108 		 *  change real to real gid
109 		 */
110 
111 		TEST(SETREGID(NULL, gid, -1));
112 
113 		if (TEST_RETURN == -1) {
114 			tst_resm(TFAIL,
115 				 "setregid -  change real to real gid failed, errno=%d : %s",
116 				 TEST_ERRNO, strerror(TEST_ERRNO));
117 		} else {
118 			tst_resm(TPASS,
119 				 "setregid -  change real to real gid returned %ld",
120 				 TEST_RETURN);
121 		}
122 
123 		/*
124 		 * TEST CASE:
125 		 *  change effective to real gid
126 		 */
127 
128 		TEST(SETREGID(NULL, -1, gid));
129 
130 		if (TEST_RETURN == -1) {
131 			tst_resm(TFAIL,
132 				 "setregid -  change effective to real gid failed, errno=%d : %s",
133 				 TEST_ERRNO, strerror(TEST_ERRNO));
134 		} else {
135 			tst_resm(TPASS,
136 				 "setregid -  change effective to real gid returned %ld",
137 				 TEST_RETURN);
138 		}
139 
140 		/*
141 		 * TEST CASE:
142 		 *  try to change real to current real
143 		 */
144 
145 		TEST(SETREGID(NULL, gid, gid));
146 
147 		if (TEST_RETURN == -1) {
148 			tst_resm(TFAIL | TTERRNO, "setregid failed");
149 		} else {
150 			tst_resm(TPASS, "setregid return %ld",
151 				 TEST_RETURN);
152 		}
153 
154 	}
155 
156 	tst_exit();
157 }
158 
setup(void)159 static void setup(void)
160 {
161 	tst_sig(NOFORK, DEF_HANDLER, NULL);
162 
163 	TEST_PAUSE;
164 }
165