Annotation of prex/usr/test/cap/cap.c, Revision 1.1.1.1
1.1 nbrk 1: /*-
2: * Copyright (c) 2005-2006, Kohsuke Ohtani
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms, with or without
6: * modification, are permitted provided that the following conditions
7: * are met:
8: * 1. Redistributions of source code must retain the above copyright
9: * notice, this list of conditions and the following disclaimer.
10: * 2. Redistributions in binary form must reproduce the above copyright
11: * notice, this list of conditions and the following disclaimer in the
12: * documentation and/or other materials provided with the distribution.
13: * 3. Neither the name of the author nor the names of any co-contributors
14: * may be used to endorse or promote products derived from this software
15: * without specific prior written permission.
16: *
17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27: * SUCH DAMAGE.
28: */
29:
30: /*
31: * cap.c - test program for task capability.
32: */
33:
34: #include <prex/prex.h>
35: #include <prex/capability.h>
36:
37: #include <stdio.h>
38:
39: static task_t task;
40: static cap_t cap;
41:
42: static void
43: cap_get(void)
44: {
45: int err;
46:
47: if ((err = task_getcap(task, &cap)) != 0) {
48: printf("err=%d\n", err);
49: panic("cap: failed to get capability\n");
50: }
51: printf(" capability=%x\n", cap);
52: }
53:
54: static void
55: cap_remove(int c)
56: {
57: int err;
58:
59: cap &= ~c;
60: if ((err = task_setcap(task, &cap)) != 0) {
61: printf("err=%d\n", err);
62: panic("cap: failed to change capability\n");
63: }
64: }
65:
66: int
67: main(int argc, char *argv[])
68: {
69: task_t child;
70: thread_t th;
71: int err;
72:
73: printf("cap - test program for capability\n");
74:
75: task = task_self();
76: printf("task=%x\n", (u_int)task);
77:
78: if (task_create(task, VM_NEW, &child) != 0)
79: panic("failed to create task");
80:
81: if (thread_create(child, &th) != 0)
82: panic("failed to create thread");
83:
84: printf("Get capability\n");
85: cap_get();
86:
87: /*
88: * Test CAP_TASK
89: */
90: printf("Set task name\n");
91: if ((err = task_name(child, "foo")) != 0)
92: panic("failed to set task name\n");
93:
94: printf("\nRemove CAP_TASK\n");
95: cap_remove(CAP_TASK);
96: cap_get();
97: printf(" - OK!\n");
98:
99: printf("Set task name\n");
100: err = task_name(child, "foo");
101: if (err)
102: printf("task_name() returns error=%d\n", err);
103: else
104: panic("task_name() must return error");
105:
106:
107: /*
108: * Test CAP_NICE
109: */
110: printf("Set priority\n");
111: err = thread_setprio(th, 199);
112: if (err)
113: panic("failed to set priority\n");
114:
115: printf("\nRemove CAP_NICE\n");
116: cap_remove(CAP_NICE);
117: cap_get();
118: printf(" - OK!\n");
119:
120: printf("Set priority\n");
121: err = thread_setprio(th, 199);
122: if (err)
123: printf("thread_setprio() returns error=%d\n", err);
124: else
125: panic("thread_setprio() must return error");
126:
127:
128: /*
129: * Test CAP_SETPCAP
130: */
131: printf("\nRemove CAP_SETPCAP\n");
132: cap_remove(CAP_SETPCAP);
133: cap_get();
134: printf(" - OK!\n");
135:
136: printf("\nTest CAP_SETPCAP\n");
137:
138: /* This cause panic if it finishes successfully. */
139: cap_remove(CAP_SETPCAP);
140: cap_get();
141:
142: printf(" - Oops!\n");
143: return 0;
144: }
CVSweb