63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
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* Author: Saji Kumar.V.R <saji.kumar@wipro.com>
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*
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* Description:
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* This case tests capget() syscall whether works well on three versions.
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* Also, it checks the results buffer.
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*/
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#include <sys/types.h>
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#include "tst_test.h"
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#include "lapi/syscalls.h"
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#include <linux/capability.h>
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static pid_t pid;
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static struct __user_cap_header_struct *hdr;
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static struct __user_cap_data_struct *data;
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static struct tcase {
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int version;
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char *message;
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} tcases[] = {
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{0x19980330, "LINUX_CAPABILITY_VERSION_1"},
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{0x20071026, "LINUX_CAPABILITY_VERSION_2"},
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{0x20080522, "LINUX_CAPABILITY_VERSION_3"},
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};
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static void verify_capget(unsigned int n)
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{
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struct tcase *tc = &tcases[n];
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hdr->version = tc->version;
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hdr->pid = pid;
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TST_EXP_PASS(tst_syscall(__NR_capget, hdr, data),
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"capget() with %s", tc->message);
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if (data[0].effective & 1 << CAP_NET_RAW)
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tst_res(TFAIL, "capget() gets CAP_NET_RAW unexpectedly in pE");
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else
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tst_res(TPASS, "capget() doesn't get CAP_NET_RAW as expected in PE");
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}
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static void setup(void)
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{
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pid = getpid();
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}
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static struct tst_test test = {
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.setup = setup,
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.tcnt = ARRAY_SIZE(tcases),
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.test = verify_capget,
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.caps = (struct tst_cap []) {
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TST_CAP(TST_CAP_DROP, CAP_NET_RAW),
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{}
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},
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.bufs = (struct tst_buffers []) {
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{&hdr, .size = sizeof(*hdr)},
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{&data, .size = 2 * sizeof(*data)},
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{},
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}
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};
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