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Add new syscalls

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This commit is contained in:
Igor Pissolati
2025-06-01 19:41:49 -03:00
parent db1588623b
commit c67146ee45
4 changed files with 198 additions and 1 deletions
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105
src/windows-emulator/syscalls/object.cpp
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@@ -201,4 +201,109 @@ namespace syscalls
{
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtQuerySecurityObject(const syscall_context& c, const handle /*h*/,
const SECURITY_INFORMATION security_information,
const emulator_pointer security_descriptor, const ULONG length,
const emulator_object<ULONG> length_needed)
{
if ((security_information & (OWNER_SECURITY_INFORMATION | GROUP_SECURITY_INFORMATION |
DACL_SECURITY_INFORMATION | LABEL_SECURITY_INFORMATION)) == 0)
{
return STATUS_INVALID_PARAMETER;
}
// Owner SID: S-1-5-32-544 (Administrators)
const uint8_t owner_sid[] = {0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x20, 0x00, 0x00, 0x00, 0x20, 0x02, 0x00, 0x00};
// Group SID: S-1-5-18 (Local System)
const uint8_t group_sid[] = {0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x12, 0x00, 0x00, 0x00};
// DACL structure
const uint8_t dacl_data[] = {
0x02, 0x00, 0x9C, 0x00, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x0F, 0x00, 0x02, 0x00, 0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x0F, 0x00, 0x02, 0x00,
0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x0F, 0x00,
0x0F, 0x00, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x20, 0x00, 0x00, 0x00, 0x20, 0x02, 0x00, 0x00,
0x00, 0x0B, 0x14, 0x00, 0x00, 0x00, 0x00, 0xE0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x0B, 0x14, 0x00, 0x00, 0x00, 0x00, 0xE0, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x0C, 0x00, 0x00, 0x00, 0x00, 0x0B, 0x18, 0x00, 0x00, 0x00, 0x00, 0x10, 0x01, 0x02, 0x00, 0x00, 0x00, 0x00,
0x00, 0x05, 0x20, 0x00, 0x00, 0x00, 0x20, 0x02, 0x00, 0x00, 0x00, 0x0B, 0x14, 0x00, 0x00, 0x00, 0x00, 0x10,
0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00};
// SACL structure
const uint8_t sacl_data[] = {0x02, 0x00, 0x1C, 0x00, 0x01, 0x00, 0x00, 0x00, // ACL header
0x11, 0x00, 0x14, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x00};
ULONG total_size = sizeof(SECURITY_DESCRIPTOR_RELATIVE);
if (security_information & OWNER_SECURITY_INFORMATION)
total_size += sizeof(owner_sid);
if (security_information & GROUP_SECURITY_INFORMATION)
total_size += sizeof(group_sid);
if (security_information & DACL_SECURITY_INFORMATION)
total_size += sizeof(dacl_data);
if (security_information & LABEL_SECURITY_INFORMATION)
total_size += sizeof(sacl_data);
length_needed.write(total_size);
if (length < total_size)
{
return STATUS_BUFFER_TOO_SMALL;
}
if (!security_descriptor)
{
return STATUS_INVALID_PARAMETER;
}
SECURITY_DESCRIPTOR_RELATIVE sd = {};
sd.Revision = SECURITY_DESCRIPTOR_REVISION;
sd.Control = SE_SELF_RELATIVE;
constexpr ULONG header_size = sizeof(SECURITY_DESCRIPTOR_RELATIVE);
ULONG current_offset = header_size;
if (security_information & OWNER_SECURITY_INFORMATION)
{
sd.Owner = current_offset;
c.emu.write_memory(security_descriptor + current_offset, owner_sid);
current_offset += sizeof(owner_sid);
}
if (security_information & GROUP_SECURITY_INFORMATION)
{
sd.Group = current_offset;
c.emu.write_memory(security_descriptor + current_offset, group_sid);
current_offset += sizeof(group_sid);
}
if (security_information & DACL_SECURITY_INFORMATION)
{
sd.Control |= SE_DACL_PRESENT;
sd.Dacl = current_offset;
c.emu.write_memory(security_descriptor + current_offset, dacl_data);
current_offset += sizeof(dacl_data);
}
if (security_information & LABEL_SECURITY_INFORMATION)
{
sd.Control |= SE_SACL_PRESENT | SE_SACL_AUTO_INHERITED;
sd.Sacl = current_offset;
c.emu.write_memory(security_descriptor + current_offset, sacl_data);
current_offset += sizeof(sacl_data);
}
assert(current_offset == total_size);
c.emu.write_memory(security_descriptor, sd);
return STATUS_SUCCESS;
}
}