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kernel32: Add a bunch of VirtualProtect tests on an image section.

This commit is contained in:
Dmitry Timoshkov 2011-12-16 14:45:01 +08:00 committed by Alexandre Julliard
parent eed406e028
commit bb8d47bd30
1 changed files with 142 additions and 0 deletions
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142
dlls/kernel32/tests/loader.c
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@ -568,6 +568,146 @@ static BOOL is_mem_writable(DWORD prot)
}
}
static void test_VirtualProtect(void *base, void *section)
{
static const struct test_data
{
DWORD prot_set, prot_get;
} td[] =
{
{ 0, 0 }, /* 0x00 */
{ PAGE_NOACCESS, PAGE_NOACCESS }, /* 0x01 */
{ PAGE_READONLY, PAGE_READONLY }, /* 0x02 */
{ PAGE_READONLY | PAGE_NOACCESS, 0 }, /* 0x03 */
{ PAGE_READWRITE, PAGE_WRITECOPY }, /* 0x04 */
{ PAGE_READWRITE | PAGE_NOACCESS, 0 }, /* 0x05 */
{ PAGE_READWRITE | PAGE_READONLY, 0 }, /* 0x06 */
{ PAGE_READWRITE | PAGE_READONLY | PAGE_NOACCESS, 0 }, /* 0x07 */
{ PAGE_WRITECOPY, PAGE_WRITECOPY }, /* 0x08 */
{ PAGE_WRITECOPY | PAGE_NOACCESS, 0 }, /* 0x09 */
{ PAGE_WRITECOPY | PAGE_READONLY, 0 }, /* 0x0a */
{ PAGE_WRITECOPY | PAGE_NOACCESS | PAGE_READONLY, 0 }, /* 0x0b */
{ PAGE_WRITECOPY | PAGE_READWRITE, 0 }, /* 0x0c */
{ PAGE_WRITECOPY | PAGE_READWRITE | PAGE_NOACCESS, 0 }, /* 0x0d */
{ PAGE_WRITECOPY | PAGE_READWRITE | PAGE_READONLY, 0 }, /* 0x0e */
{ PAGE_WRITECOPY | PAGE_READWRITE | PAGE_READONLY | PAGE_NOACCESS, 0 }, /* 0x0f */
{ PAGE_EXECUTE, PAGE_EXECUTE }, /* 0x10 */
{ PAGE_EXECUTE_READ, PAGE_EXECUTE_READ }, /* 0x20 */
{ PAGE_EXECUTE_READ | PAGE_EXECUTE, 0 }, /* 0x30 */
{ PAGE_EXECUTE_READWRITE, PAGE_EXECUTE_WRITECOPY }, /* 0x40 */
{ PAGE_EXECUTE_READWRITE | PAGE_EXECUTE, 0 }, /* 0x50 */
{ PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_READ, 0 }, /* 0x60 */
{ PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_READ | PAGE_EXECUTE, 0 }, /* 0x70 */
{ PAGE_EXECUTE_WRITECOPY, PAGE_EXECUTE_WRITECOPY }, /* 0x80 */
{ PAGE_EXECUTE_WRITECOPY | PAGE_EXECUTE, 0 }, /* 0x90 */
{ PAGE_EXECUTE_WRITECOPY | PAGE_EXECUTE_READ, 0 }, /* 0xa0 */
{ PAGE_EXECUTE_WRITECOPY | PAGE_EXECUTE_READ | PAGE_EXECUTE, 0 }, /* 0xb0 */
{ PAGE_EXECUTE_WRITECOPY | PAGE_EXECUTE_READWRITE, 0 }, /* 0xc0 */
{ PAGE_EXECUTE_WRITECOPY | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE, 0 }, /* 0xd0 */
{ PAGE_EXECUTE_WRITECOPY | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_READ, 0 }, /* 0xe0 */
{ PAGE_EXECUTE_WRITECOPY | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_READ | PAGE_EXECUTE, 0 } /* 0xf0 */
};
DWORD ret, orig_prot, old_prot, rw_prot, exec_prot, i, j;
MEMORY_BASIC_INFORMATION info;
SYSTEM_INFO si;
GetSystemInfo(&si);
trace("system page size %#x\n", si.dwPageSize);
SetLastError(0xdeadbeef);
ret = VirtualProtect(section, si.dwPageSize, PAGE_NOACCESS, &old_prot);
ok(ret, "VirtualProtect error %d\n", GetLastError());
orig_prot = old_prot;
for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
{
SetLastError(0xdeadbeef);
ret = VirtualQuery(section, &info, sizeof(info));
ok(ret, "VirtualQuery failed %d\n", GetLastError());
ok(info.BaseAddress == section, "%d: got %p != expected %p\n", i, info.BaseAddress, section);
ok(info.RegionSize == si.dwPageSize, "%d: got %#lx != expected %#x\n", i, info.RegionSize, si.dwPageSize);
ok(info.Protect == PAGE_NOACCESS, "%d: got %#x != expected PAGE_NOACCESS\n", i, info.Protect);
ok(info.AllocationBase == base, "%d: %p != %p\n", i, info.AllocationBase, base);
ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %#x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
ok(info.State == MEM_COMMIT, "%d: %#x != MEM_COMMIT\n", i, info.State);
ok(info.Type == SEC_IMAGE, "%d: %#x != SEC_IMAGE\n", i, info.Type);
old_prot = 0xdeadbeef;
SetLastError(0xdeadbeef);
ret = VirtualProtect(section, si.dwPageSize, td[i].prot_set, &old_prot);
if (td[i].prot_get)
{
ok(ret, "%d: VirtualProtect error %d\n", i, GetLastError());
ok(old_prot == PAGE_NOACCESS, "%d: got %#x != expected PAGE_NOACCESS\n", i, old_prot);
SetLastError(0xdeadbeef);
ret = VirtualQuery(section, &info, sizeof(info));
ok(ret, "VirtualQuery failed %d\n", GetLastError());
ok(info.BaseAddress == section, "%d: got %p != expected %p\n", i, info.BaseAddress, section);
ok(info.RegionSize == si.dwPageSize, "%d: got %#lx != expected %#x\n", i, info.RegionSize, si.dwPageSize);
if (info.Protect != td[i].prot_get)
todo_wine ok(info.Protect == td[i].prot_get, "%d: got %#x != expected %#x\n", i, info.Protect, td[i].prot_get);
else
ok(info.Protect == td[i].prot_get, "%d: got %#x != expected %#x\n", i, info.Protect, td[i].prot_get);
ok(info.AllocationBase == base, "%d: %p != %p\n", i, info.AllocationBase, base);
ok(info.AllocationProtect == PAGE_EXECUTE_WRITECOPY, "%d: %#x != PAGE_EXECUTE_WRITECOPY\n", i, info.AllocationProtect);
ok(info.State == MEM_COMMIT, "%d: %#x != MEM_COMMIT\n", i, info.State);
ok(info.Type == SEC_IMAGE, "%d: %#x != SEC_IMAGE\n", i, info.Type);
}
else
{
ok(!ret, "%d: VirtualProtect should fail\n", i);
ok(GetLastError() == ERROR_INVALID_PARAMETER, "%d: expected ERROR_INVALID_PARAMETER, got %d\n", i, GetLastError());
}
old_prot = 0xdeadbeef;
SetLastError(0xdeadbeef);
ret = VirtualProtect(section, si.dwPageSize, PAGE_NOACCESS, &old_prot);
ok(ret, "%d: VirtualProtect error %d\n", i, GetLastError());
if (td[i].prot_get)
{
if (old_prot != td[i].prot_get)
todo_wine ok(old_prot == td[i].prot_get, "%d: got %#x != expected %#x\n", i, old_prot, td[i].prot_get);
else
ok(old_prot == td[i].prot_get, "%d: got %#x != expected %#x\n", i, old_prot, td[i].prot_get);
}
else
ok(old_prot == PAGE_NOACCESS, "%d: got %#x != expected PAGE_NOACCESS\n", i, old_prot);
}
exec_prot = 0;
for (i = 0; i <= 4; i++)
{
rw_prot = 0;
for (j = 0; j <= 4; j++)
{
DWORD prot = exec_prot | rw_prot;
SetLastError(0xdeadbeef);
ret = VirtualProtect(section, si.dwPageSize, prot, &old_prot);
if ((rw_prot && exec_prot) || (!rw_prot && !exec_prot))
{
ok(!ret, "VirtualProtect(%02x) should fail\n", prot);
ok(GetLastError() == ERROR_INVALID_PARAMETER, "expected ERROR_INVALID_PARAMETER, got %d\n", GetLastError());
}
else
ok(ret, "VirtualProtect(%02x) error %d\n", prot, GetLastError());
rw_prot = 1 << j;
}
exec_prot = 1 << (i + 4);
}
SetLastError(0xdeadbeef);
ret = VirtualProtect(section, si.dwPageSize, orig_prot, &old_prot);
ok(ret, "VirtualProtect error %d\n", GetLastError());
}
static void test_section_access(void)
{
static const struct test_data
@ -699,6 +839,8 @@ static void test_section_access(void)
if (info.Protect != PAGE_NOACCESS)
ok(!memcmp((const char *)info.BaseAddress, section_data, section.SizeOfRawData), "wrong section data\n");
test_VirtualProtect(hlib, (char *)hlib + section.VirtualAddress);
/* Windows changes the WRITECOPY to WRITE protection on an image section write (for a changed page only) */
if (is_mem_writable(info.Protect))
{