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Remove advapi32/internal.cpp; move to relevant source files

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This commit is contained in:
Luke Street
2025-10-02 09:15:25 -06:00
parent 3249ebf4bf
commit 694eb85deb
8 changed files with 117 additions and 147 deletions
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67
dll/advapi32/winbase.cpp
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@@ -6,12 +6,77 @@
#include <algorithm>
#include <cstring>
#include <mutex>
namespace {
constexpr WCHAR kAccountSystem[] = {u'S', u'Y', u'S', u'T', u'E', u'M', u'\0'};
constexpr WCHAR kDomainNtAuthority[] = {u'N', u'T', u' ', u'A', u'U', u'T', u'H', u'O', u'R', u'I', u'T', u'Y', u'\0'};
std::mutex g_privilegeMapMutex;
std::unordered_map<std::string, LUID> g_privilegeLuidCache;
bool isLocalSystemSid(const Sid *sid) {
if (!sid) {
return false;
}
if (sid->Revision != 1 || sid->SubAuthorityCount != 1) {
return false;
}
for (size_t i = 0; i < std::size(kNtAuthority); ++i) {
if (sid->IdentifierAuthority.Value[i] != kNtAuthority[i]) {
return false;
}
}
return sid->SubAuthority[0] == SECURITY_LOCAL_SYSTEM_RID;
}
std::string normalizePrivilegeName(const std::string &name) {
std::string normalized;
normalized.reserve(name.size());
for (unsigned char ch : name) {
normalized.push_back(static_cast<char>(std::tolower(ch)));
}
return normalized;
}
LUID generateDeterministicLuid(const std::string &normalizedName) {
uint32_t hash = 2166136261u;
for (unsigned char ch : normalizedName) {
hash ^= ch;
hash *= 16777619u;
}
if (hash == 0) {
hash = 1;
}
LUID luid{};
luid.LowPart = hash;
luid.HighPart = 0;
return luid;
}
LUID lookupOrGeneratePrivilegeLuid(const std::string &normalizedName) {
std::lock_guard<std::mutex> lock(g_privilegeMapMutex);
static const std::unordered_map<std::string, uint32_t> predefined = {
{"se_debug_name", 0x14},
{"se_shutdown_name", 0x13},
};
auto it = g_privilegeLuidCache.find(normalizedName);
if (it != g_privilegeLuidCache.end()) {
return it->second;
}
LUID luid{};
auto predefinedIt = predefined.find(normalizedName);
if (predefinedIt != predefined.end()) {
luid.LowPart = predefinedIt->second;
luid.HighPart = 0;
} else {
luid = generateDeterministicLuid(normalizedName);
}
g_privilegeLuidCache[normalizedName] = luid;
return luid;
}
} // namespace
namespace advapi32 {
@@ -25,7 +90,7 @@ BOOL WIN_FUNC LookupAccountSidW(LPCWSTR lpSystemName, PSID Sid, LPWSTR Name, LPD
wibo::lastError = ERROR_INVALID_PARAMETER;
return FALSE;
}
auto *sidStruct = reinterpret_cast<const ::advapi32::Sid *>(Sid);
auto *sidStruct = reinterpret_cast<const struct Sid *>(Sid);
if (!isLocalSystemSid(sidStruct)) {
wibo::lastError = ERROR_NONE_MAPPED;
return FALSE;