91 lines
2.2 KiB
C
91 lines
2.2 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved.
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* AUTHOR: Madhu T L <madhu.tarikere@wipro.com>
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* Copyright (C) 2021 SUSE LLC <mdoucha@suse.cz>
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*/
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/*\
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* [Description]
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*
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* Verify that setresgid() will successfully set the expected GID when called
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* by root with the following combinations of arguments:
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*
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* - setresgid(-1, -1, -1)
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* - setresgid(-1, -1, other)
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* - setresgid(-1, other, -1)
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* - setresgid(other, -1, -1)
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* - setresgid(root, root, root)
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* - setresgid(root, main, main)
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*/
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#include "tst_test.h"
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#include "tst_uid.h"
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#include "compat_tst_16.h"
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struct test_case_t {
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gid_t *rgid;
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gid_t *egid;
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gid_t *sgid;
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gid_t *exp_rgid;
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gid_t *exp_egid;
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gid_t *exp_sgid;
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char *desc;
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};
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static gid_t root_gid, main_gid, other_gid, neg = -1;
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/* Don't change order of these test cases */
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static struct test_case_t test_cases[] = {
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{&neg, &neg, &neg, &root_gid, &main_gid, &main_gid,
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"setresgid(-1, -1, -1)"},
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{&neg, &neg, &other_gid, &root_gid, &main_gid, &other_gid,
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"setresgid(-1, -1, other)"},
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{&neg, &other_gid, &neg, &root_gid, &other_gid, &other_gid,
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"setresgid(-1, other, -1)"},
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{&other_gid, &neg, &neg, &other_gid, &other_gid, &other_gid,
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"setresgid(other, -1, -1)"},
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{&root_gid, &root_gid, &root_gid, &root_gid, &root_gid, &root_gid,
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"setresgid(root, root, root)"},
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{&root_gid, &main_gid, &main_gid, &root_gid, &main_gid, &main_gid,
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"setresgid(root, main, main)"},
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};
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static void setup(void)
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{
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gid_t test_groups[3];
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root_gid = test_groups[0] = getgid();
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tst_get_gids(test_groups, 1, 3);
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main_gid = test_groups[1];
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other_gid = test_groups[2];
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GID16_CHECK(root_gid, setresgid);
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GID16_CHECK(main_gid, setresgid);
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GID16_CHECK(other_gid, setresgid);
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SAFE_SETRESGID(-1, main_gid, main_gid);
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}
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static void run(unsigned int n)
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{
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const struct test_case_t *tc = test_cases + n;
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TST_EXP_PASS_SILENT(SETRESGID(*tc->rgid, *tc->egid, *tc->sgid), "%s",
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tc->desc);
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if (!TST_PASS)
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return;
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if (tst_check_resgid(tc->desc, *tc->exp_rgid, *tc->exp_egid,
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*tc->exp_sgid))
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tst_res(TPASS, "%s works as expected", tc->desc);
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}
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static struct tst_test test = {
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.test = run,
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.tcnt = ARRAY_SIZE(test_cases),
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.setup = setup,
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.needs_root = 1,
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};
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