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Diffstat (limited to 'src/regress/lib/libc/sys/t_msgctl.c')
-rw-r--r--src/regress/lib/libc/sys/t_msgctl.c402
1 files changed, 0 insertions, 402 deletions
diff --git a/src/regress/lib/libc/sys/t_msgctl.c b/src/regress/lib/libc/sys/t_msgctl.c
deleted file mode 100644
index 91c0eaaeaf..0000000000
--- a/src/regress/lib/libc/sys/t_msgctl.c
+++ /dev/null
@@ -1,402 +0,0 @@
1/* $OpenBSD: t_msgctl.c,v 1.2 2021/12/13 16:56:48 deraadt Exp $ */
2/* $NetBSD: t_msgctl.c,v 1.7 2017/10/07 17:15:44 kre Exp $ */
3
4/*-
5 * Copyright (c) 2011 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Jukka Ruohonen.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include "macros.h"
34
35#include <sys/msg.h>
36#include <sys/stat.h>
37#include <sys/sysctl.h>
38#include <sys/wait.h>
39
40#include "atf-c.h"
41#include <errno.h>
42#include <limits.h>
43#include <pwd.h>
44#include <signal.h>
45#include <stdio.h>
46#include <stdlib.h>
47#include <string.h>
48#include <sysexits.h>
49#include <time.h>
50#include <unistd.h>
51
52#define MSG_KEY 12345689
53#define MSG_MTYPE_1 0x41
54
55struct msg {
56 long mtype;
57 char buf[3];
58};
59
60static void clean(void);
61
62static void
63clean(void)
64{
65 int id;
66
67 if ((id = msgget(MSG_KEY, 0)) != -1)
68 (void)msgctl(id, IPC_RMID, 0);
69}
70
71ATF_TC_WITH_CLEANUP(msgctl_err);
72ATF_TC_HEAD(msgctl_err, tc)
73{
74 atf_tc_set_md_var(tc, "descr", "Test errors from msgctl(2)");
75}
76
77ATF_TC_BODY(msgctl_err, tc)
78{
79 const int cmd[] = { IPC_STAT, IPC_SET, IPC_RMID };
80 struct msqid_ds msgds;
81 size_t i;
82 int id;
83
84 (void)memset(&msgds, 0, sizeof(struct msqid_ds));
85
86 id = msgget(MSG_KEY, IPC_CREAT | 0600);
87 ATF_REQUIRE(id != -1);
88
89 errno = 0;
90 ATF_REQUIRE_ERRNO(EINVAL, msgctl(id, INT_MAX, &msgds) == -1);
91
92 errno = 0;
93 ATF_REQUIRE_ERRNO(EFAULT, msgctl(id, IPC_STAT, (void *)-1) == -1);
94
95 for (i = 0; i < __arraycount(cmd); i++) {
96 errno = 0;
97 ATF_REQUIRE_ERRNO(EINVAL, msgctl(-1, cmd[i], &msgds) == -1);
98 }
99
100 ATF_REQUIRE(msgctl(id, IPC_RMID, 0) == 0);
101}
102
103ATF_TC_CLEANUP(msgctl_err, tc)
104{
105 clean();
106}
107
108ATF_TC_WITH_CLEANUP(msgctl_perm);
109ATF_TC_HEAD(msgctl_perm, tc)
110{
111 atf_tc_set_md_var(tc, "descr", "Test permissions with msgctl(2)");
112 atf_tc_set_md_var(tc, "require.user", "root");
113}
114
115ATF_TC_BODY(msgctl_perm, tc)
116{
117 struct msqid_ds msgds;
118 struct passwd *pw;
119 pid_t pid;
120 int sta;
121 int id;
122
123 (void)memset(&msgds, 0, sizeof(struct msqid_ds));
124
125 pw = getpwnam("nobody");
126 id = msgget(MSG_KEY, IPC_CREAT | 0600);
127
128 ATF_REQUIRE(id != -1);
129 ATF_REQUIRE(pw != NULL);
130 ATF_REQUIRE(msgctl(id, IPC_STAT, &msgds) == 0);
131
132 pid = fork();
133 ATF_REQUIRE(pid >= 0);
134
135 if (pid == 0) {
136
137 if (setuid(pw->pw_uid) != 0)
138 _exit(EX_OSERR);
139
140 msgds.msg_perm.uid = getuid();
141 msgds.msg_perm.gid = getgid();
142
143 errno = 0;
144
145 if (msgctl(id, IPC_SET, &msgds) == 0)
146 _exit(EXIT_FAILURE);
147
148 if (errno != EPERM)
149 _exit(EXIT_FAILURE);
150
151 (void)memset(&msgds, 0, sizeof(struct msqid_ds));
152
153 if (msgctl(id, IPC_STAT, &msgds) != 0)
154 _exit(EX_OSERR);
155
156 msgds.msg_qbytes = 1;
157
158 if (msgctl(id, IPC_SET, &msgds) == 0)
159 _exit(EXIT_FAILURE);
160
161 if (errno != EPERM)
162 _exit(EXIT_FAILURE);
163
164 _exit(EXIT_SUCCESS);
165 }
166
167 (void)wait(&sta);
168
169 if (WIFEXITED(sta) == 0) {
170
171 if (WEXITSTATUS(sta) == EX_OSERR)
172 atf_tc_fail("system call failed");
173
174 if (WEXITSTATUS(sta) == EXIT_FAILURE)
175 atf_tc_fail("UID %u manipulated root's "
176 "message queue", pw->pw_uid);
177 }
178
179 ATF_REQUIRE(msgctl(id, IPC_RMID, 0) == 0);
180}
181
182ATF_TC_CLEANUP(msgctl_perm, tc)
183{
184 clean();
185}
186
187ATF_TC_WITH_CLEANUP(msgctl_pid);
188ATF_TC_HEAD(msgctl_pid, tc)
189{
190 atf_tc_set_md_var(tc, "descr", "Test that PIDs are updated");
191}
192
193ATF_TC_BODY(msgctl_pid, tc)
194{
195 struct msg msg = { MSG_MTYPE_1, { 'a', 'b', 'c' } };
196 struct msqid_ds msgds;
197 int id, sta;
198 pid_t pid;
199
200 id = msgget(MSG_KEY, IPC_CREAT | 0600);
201 ATF_REQUIRE(id != -1);
202
203 pid = fork();
204 ATF_REQUIRE(pid >= 0);
205
206 if (pid == 0) {
207
208 (void)msgsnd(id, &msg, sizeof(struct msg), IPC_NOWAIT);
209
210 _exit(EXIT_SUCCESS);
211 }
212
213 (void)sleep(1);
214 (void)wait(&sta);
215 (void)memset(&msgds, 0, sizeof(struct msqid_ds));
216
217 ATF_REQUIRE(msgctl(id, IPC_STAT, &msgds) == 0);
218
219 if (pid != msgds.msg_lspid)
220 atf_tc_fail("the PID of last msgsnd(2) was not updated");
221
222 pid = fork();
223 ATF_REQUIRE(pid >= 0);
224
225 if (pid == 0) {
226
227 (void)msgrcv(id, &msg,
228 sizeof(struct msg), MSG_MTYPE_1, IPC_NOWAIT);
229
230 _exit(EXIT_SUCCESS);
231 }
232
233 (void)sleep(1);
234 (void)wait(&sta);
235 (void)memset(&msgds, 0, sizeof(struct msqid_ds));
236
237 ATF_REQUIRE(msgctl(id, IPC_STAT, &msgds) == 0);
238
239 if (pid != msgds.msg_lrpid)
240 atf_tc_fail("the PID of last msgrcv(2) was not updated");
241
242 ATF_REQUIRE(msgctl(id, IPC_RMID, 0) == 0);
243}
244
245ATF_TC_CLEANUP(msgctl_pid, tc)
246{
247 clean();
248}
249
250ATF_TC_WITH_CLEANUP(msgctl_set);
251ATF_TC_HEAD(msgctl_set, tc)
252{
253 atf_tc_set_md_var(tc, "descr", "Test msgctl(2) with IPC_SET");
254 atf_tc_set_md_var(tc, "require.user", "root");
255}
256
257ATF_TC_BODY(msgctl_set, tc)
258{
259 struct msqid_ds msgds;
260 struct passwd *pw;
261 int id;
262
263 (void)memset(&msgds, 0, sizeof(struct msqid_ds));
264
265 pw = getpwnam("nobody");
266 id = msgget(MSG_KEY, IPC_CREAT | 0600);
267
268 ATF_REQUIRE(id != -1);
269 ATF_REQUIRE(pw != NULL);
270 ATF_REQUIRE(msgctl(id, IPC_STAT, &msgds) == 0);
271
272 msgds.msg_perm.uid = pw->pw_uid;
273
274 if (msgctl(id, IPC_SET, &msgds) != 0)
275 atf_tc_fail("root failed to change the UID of message queue");
276
277 msgds.msg_perm.uid = getuid();
278 msgds.msg_perm.gid = pw->pw_gid;
279
280 if (msgctl(id, IPC_SET, &msgds) != 0)
281 atf_tc_fail("root failed to change the GID of message queue");
282
283 /*
284 * Note: setting the qbytes to zero fails even as root.
285 */
286 msgds.msg_qbytes = 1;
287 msgds.msg_perm.gid = getgid();
288
289 if (msgctl(id, IPC_SET, &msgds) != 0)
290 atf_tc_fail("root failed to change qbytes of message queue");
291
292 ATF_REQUIRE(msgctl(id, IPC_RMID, 0) == 0);
293}
294
295ATF_TC_CLEANUP(msgctl_set, tc)
296{
297 clean();
298}
299
300ATF_TC_WITH_CLEANUP(msgctl_time);
301ATF_TC_HEAD(msgctl_time, tc)
302{
303 atf_tc_set_md_var(tc, "descr", "Test that access times are updated");
304}
305
306ATF_TC_BODY(msgctl_time, tc)
307{
308 struct msg msg = { MSG_MTYPE_1, { 'a', 'b', 'c' } };
309 struct msqid_ds msgds;
310 time_t t;
311 int id;
312
313 id = msgget(MSG_KEY, IPC_CREAT | 0600);
314 ATF_REQUIRE(id != -1);
315
316 t = time(NULL);
317
318 (void)memset(&msgds, 0, sizeof(struct msqid_ds));
319 (void)msgsnd(id, &msg, sizeof(struct msg), IPC_NOWAIT);
320 (void)msgctl(id, IPC_STAT, &msgds);
321
322 if (llabs(t - msgds.msg_stime) > 1)
323 atf_tc_fail("time of last msgsnd(2) was not updated");
324
325 if (msgds.msg_rtime != 0)
326 atf_tc_fail("time of last msgrcv(2) was updated incorrectly");
327
328 t = time(NULL);
329
330 (void)memset(&msgds, 0, sizeof(struct msqid_ds));
331 (void)msgrcv(id, &msg, sizeof(struct msg), MSG_MTYPE_1, IPC_NOWAIT);
332 (void)msgctl(id, IPC_STAT, &msgds);
333
334 if (llabs(t - msgds.msg_rtime) > 1)
335 atf_tc_fail("time of last msgrcv(2) was not updated");
336
337 /*
338 * Note: this is non-zero even after the memset(3).
339 */
340 if (msgds.msg_stime == 0)
341 atf_tc_fail("time of last msgsnd(2) was updated incorrectly");
342
343 ATF_REQUIRE(msgctl(id, IPC_RMID, 0) == 0);
344}
345
346ATF_TC_CLEANUP(msgctl_time, tc)
347{
348 clean();
349}
350
351static volatile int sig_caught;
352
353static void
354sigsys_handler(int signum)
355{
356
357 sig_caught = signum;
358}
359
360static int
361no_kernel_sysvmsg(void)
362{
363 int id;
364 void (*osig)(int);
365
366 sig_caught = 0;
367 osig = signal(SIGSYS, sigsys_handler);
368 id = msgget(MSG_KEY, IPC_CREAT | 0600);
369 if (sig_caught || id == -1)
370 return 1;
371
372 (void)msgctl(id, IPC_RMID, 0);
373 (void)signal(SIGSYS, osig);
374
375 return 0;
376}
377
378ATF_TC(msgctl_query);
379ATF_TC_HEAD(msgctl_query, tc)
380{
381 atf_tc_set_md_var(tc, "descr", "Skip msgctl_* tests - no SYSVMSG");
382}
383ATF_TC_BODY(msgctl_query, tc)
384{
385 atf_tc_skip("No SYSVMSG in kernel");
386}
387
388ATF_TP_ADD_TCS(tp)
389{
390
391 if (no_kernel_sysvmsg()) {
392 ATF_TP_ADD_TC(tp, msgctl_query);
393 } else {
394 ATF_TP_ADD_TC(tp, msgctl_err);
395 ATF_TP_ADD_TC(tp, msgctl_perm);
396 ATF_TP_ADD_TC(tp, msgctl_pid);
397 ATF_TP_ADD_TC(tp, msgctl_set);
398 ATF_TP_ADD_TC(tp, msgctl_time);
399 }
400
401 return atf_no_error();
402}
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