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authorEgor Tensin <Egor.Tensin@gmail.com>2020-10-18 04:05:48 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2020-10-18 04:08:01 +0300
commit512a25658dd6b737a16b91fb7eba43deef004d87 (patch)
treee9b5fe69f55d9e1ca124b13814f01f280778c165 /src/sid.cpp
parentProcess: add get_exe_path() (diff)
downloadwinapi-common-512a25658dd6b737a16b91fb7eba43deef004d87.tar.gz
winapi-common-512a25658dd6b737a16b91fb7eba43deef004d87.zip
add Sid class
It's another newcomer straight from privilege-check.
Diffstat (limited to '')
-rw-r--r--src/sid.cpp48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/sid.cpp b/src/sid.cpp
new file mode 100644
index 0000000..23be61a
--- /dev/null
+++ b/src/sid.cpp
@@ -0,0 +1,48 @@
+// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
+// This file is part of the "winapi-common" project.
+// For details, see https://github.com/egor-tensin/winapi-common.
+// Distributed under the MIT License.
+
+#include <winapi/buffer.hpp>
+#include <winapi/error.hpp>
+#include <winapi/sid.hpp>
+#include <winapi/utf8.hpp>
+#include <winapi/utils.hpp>
+
+// clang-format off
+#include <windows.h>
+#include <sddl.h>
+// clang-format on
+
+#include <memory>
+#include <string>
+
+namespace winapi {
+
+Sid Sid::well_known(WELL_KNOWN_SID_TYPE type) {
+ Buffer buffer;
+ buffer.resize(MAX_SID_SIZE);
+
+ DWORD cb = static_cast<DWORD>(buffer.size());
+
+ if (!::CreateWellKnownSid(type, NULL, buffer.data(), &cb))
+ throw error::windows(GetLastError(), "CreateWellKnownSid");
+
+ buffer.resize(cb);
+ return Sid{buffer};
+}
+
+Sid Sid::builtin_administrators() {
+ return well_known(WinBuiltinAdministratorsSid);
+}
+
+std::string Sid::to_string() const {
+ wchar_t* s = nullptr;
+
+ if (!::ConvertSidToStringSidW(const_cast<Impl*>(&get_impl()), &s))
+ throw error::windows(GetLastError(), "ConvertSidToStringSidW");
+
+ return narrow(std::unique_ptr<wchar_t, LocalDelete>{s}.get());
+}
+
+} // namespace winapi