Annotation of prex-old/usr/test/cap/cap.c, Revision 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: }
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