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103 lines
2.4 KiB
C++
103 lines
2.4 KiB
C++
/*
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* Copyright (c) 2018-2023, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ByteString.h>
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#include <AK/HashTable.h>
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#include <LibTest/Macros.h>
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#include <LibTest/TestCase.h>
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#include <grp.h>
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void check_correctness(struct group* gr);
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void check_correctness(struct group* gr)
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{
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EXPECT_NE(gr, nullptr);
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EXPECT_EQ(gr->gr_gid, (gid_t)3);
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EXPECT_EQ(gr->gr_name, "phys"sv);
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EXPECT_EQ(gr->gr_passwd, "x"sv);
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HashTable<ByteString> members;
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for (char** mem = gr->gr_mem; *mem; ++mem) {
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members.set(ByteString(*mem));
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}
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EXPECT_EQ(true, members.contains("window"sv));
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EXPECT_EQ(true, members.contains("anon"sv));
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}
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TEST_CASE(getgrid_returns_correct_value)
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{
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// From Base/etc/group
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// phys:x:3:window,anon
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struct group* gr = getgrgid(3);
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check_correctness(gr);
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gr = getgrgid(99999);
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EXPECT_EQ(gr, nullptr);
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}
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TEST_CASE(getgrid_r_uses_provided_buffer)
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{
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// From Base/etc/group
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// phys:x:3:window,anon
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struct group g;
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struct group* res;
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AK::Array<char, 1024> buffer;
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setgrent();
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int rc = getgrgid_r(3, &g, buffer.data(), buffer.size(), &res);
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endgrent();
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EXPECT_EQ(rc, 0);
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check_correctness(&g);
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EXPECT_EQ(res, &g);
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auto is_pointer_in_range = [&buffer](void* ptr) {
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return (buffer.data() <= ptr) && (ptr < buffer.data() + buffer.size());
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};
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EXPECT(is_pointer_in_range(g.gr_mem));
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EXPECT(is_pointer_in_range(g.gr_name));
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char** mem = g.gr_mem;
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for (; *mem; ++mem) {
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EXPECT(is_pointer_in_range(mem));
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EXPECT(is_pointer_in_range(*mem));
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}
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EXPECT(is_pointer_in_range(mem));
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}
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TEST_CASE(getgrname_r_uses_provided_buffer)
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{
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// From Base/etc/group
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// phys:x:3:window,anon
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struct group g;
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struct group* res;
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AK::Array<char, 1024> buffer;
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setgrent();
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int rc = getgrnam_r("phys", &g, buffer.data(), buffer.size(), &res);
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endgrent();
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EXPECT_EQ(rc, 0);
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check_correctness(&g);
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EXPECT_EQ(res, &g);
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auto is_pointer_in_range = [&buffer](void* ptr) {
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return (buffer.data() <= ptr) && (ptr < buffer.data() + buffer.size());
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};
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EXPECT(is_pointer_in_range(g.gr_mem));
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EXPECT(is_pointer_in_range(g.gr_name));
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char** mem = g.gr_mem;
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for (; *mem; ++mem) {
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EXPECT(is_pointer_in_range(mem));
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EXPECT(is_pointer_in_range(*mem));
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}
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EXPECT(is_pointer_in_range(mem));
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}
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