Fix bug in loaded modules (#30)

Fix bug in loaded modules which was making the pwn_Modules variable relative to the namespace ExternalImport was in. Also fixing tests once and for all
hugsy · Nov 24, 2023 · 6cbe578 · 6cbe578
1 parent 90256b2
commit 6cbe578
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Showing 16 changed files with 99 additions and 50 deletions.
diff --git a/Docs/examples/common/context.md b/Docs/examples/common/context.md
@@ -2,24 +2,23 @@
 
 
 ```cpp
-#include <pwn++\pwn.h>
-
+#include <pwn>
 using namespace pwn;
 
 auto wmain() -> int
 {
  auto const [major, minor] = pwn::VersionInfo;
  ok(L"Running pwn++ v{:d}.{:02d}", major, minor);
 
- Context.set("x64");
+ Context.Set(ArchitectureType::x64);
  dbg(L"The default log_level is INFO, this message will not show!");
 
- Context.set_log_level(log::LogLevel::Debug);
+ Context.Set(Log::LogLevel::Debug);
  dbg(L"Now it will!");
 
  try
  {
-  Context.set("whatever_arch_that_dont_exist");
+  Context.Set("whatever_arch_that_dont_exist");
  }
  catch(...)
  {

diff --git a/Docs/examples/common/ctf.md b/Docs/examples/common/ctf.md
@@ -8,16 +8,17 @@ Description: Some pwntools goodies
 ### Local processes
 
 ```cpp
-#include <pwn++\pwn.h>
+#include <pwn>
+using namespace pwn;
 
 void wmain()
 {
  namespace log = pwn::log;
- namespace ctf = pwn::ctf;
- namespace utils = pwn::utils;
+ namespace ctf = pwn::CTF;
+ namespace utils = pwn::Utils;
 
- pwn::Context.set("x64");
- pwn::Context.set(log::LogLevel::Debug);
+ pwn::Context.Set(ArchitectureType::x64);
+ pwn::Context.Set(log::LogLevel::Debug);
 
  {
   auto p = ctf::Process(L"python.exe -i");
@@ -37,16 +38,17 @@ void wmain()
 ### Remote processes
 
 ```cpp
-#include <pwn++\pwn.h>
+#include <pwn>
+using namespace pwn;
 
 void wmain()
 {
- namespace log = pwn::log;
- namespace ctf = pwn::ctf;
- namespace utils = pwn::utils;
+ namespace log = pwn::Log;
+ namespace ctf = pwn::CTF;
+ namespace utils = pwn::Utils;
 
- pwn::Context.set("x64");
- pwn::Context.set(log::LogLevel::Debug);
+ pwn::Context.Set(ArchitectureType::x64);
+ pwn::Context.Set(Log::LogLevel::Debug);
 
  {
   auto io = ctf::Remote(L"target_vm", 1337);

diff --git a/Modules/Assembly/Tests/pwn_disasm.cpp b/Modules/Assembly/Tests/pwn_disasm.cpp
@@ -16,7 +16,7 @@ TEST_CASE("Disassemble", "[Assembly]")
 
  // disassemble one insn (auto arch)
  {
- Context.Set("x64");
+ Context.Set(ArchitectureType::x64);
  Assembly::Disassembler d;
 
  auto res = d.Disassemble(code);
@@ -65,7 +65,7 @@ TEST_CASE("Disassemble", "[Assembly]")
 
  // disassemble one insn
  {
- Context.Set("x86");
+ Context.Set(ArchitectureType::x86);
  Assembly::Disassembler d;
 
  auto res = d.Disassemble(code);
@@ -98,7 +98,7 @@ TEST_CASE("Disassemble", "[Assembly]")
  code {0xc8, 0x18, 0x80, 0xd2, 0x01, 0xfd, 0x47, 0xd3, 0x20, 0xf8, 0x7f, 0xd3, 0xe2, 0x03, 0x1f, 0xaa};
 
  {
- Context.Set("arm64");
+ Context.Set(ArchitectureType::arm64);
  Assembly::Disassembler d;
 
  auto res = d.Disassemble(code);
@@ -110,7 +110,7 @@ TEST_CASE("Disassemble", "[Assembly]")
 
 
  {
- Context.Set("x64");
+ Context.Set(ArchitectureType::x64);
  auto a = Architecture::Find("arm64");
  auto d = Assembly::Disassembler(a);
 

diff --git a/Modules/Common/Include/Architecture.hpp b/Modules/Common/Include/Architecture.hpp
@@ -61,6 +61,7 @@ struct Architecture
  ArchitectureType id {};
  usize ptrsize {};
  Endianess endian {};
+ std::array<std::string_view, 4> aliases {};
 
  auto
  operator<=>(Architecture const& other) const = default;
@@ -104,10 +105,24 @@ struct Architecture
 ///
 static constexpr CMap<ArchitectureType, Architecture, 4> Architectures {
  {{
- {ArchitectureType::x64, {"X86_64"sv, ArchitectureType::x64, 8, Endianess::little}},
- {ArchitectureType::x86, {"X86_32"sv, ArchitectureType::x86, 4, Endianess::little}},
- {ArchitectureType::arm64, {"ARM_AARCH64"sv, ArchitectureType::arm64, 8, Endianess::little}},
- {ArchitectureType::arm, {"ARM_AARCH64"sv, ArchitectureType::arm, 4, Endianess::little}},
+ {ArchitectureType::x64,
+ {"x64"sv,
+ ArchitectureType::x64,
+ 8,
+ Endianess::little,
+ {
+ "x86-64"sv,
+ }}},
+ {ArchitectureType::x86,
+ {"x86"sv,
+ ArchitectureType::x86,
+ 4,
+ Endianess::little,
+ {
+ "i386"sv,
+ }}},
+ {ArchitectureType::arm64, {"arm64"sv, ArchitectureType::arm64, 8, Endianess::little, {"aarch64"sv}}},
+ {ArchitectureType::arm, {"arm"sv, ArchitectureType::arm, 4, Endianess::little}},
  }},
 };
 

diff --git a/Modules/Common/Include/Context.hpp b/Modules/Common/Include/Context.hpp
@@ -31,12 +31,14 @@ class GlobalContext
  {
  if constexpr ( std::is_same_v<T, std::string_view> )
  {
+ warn("Deprecated, prefer using ArchitectureType");
  SetArchitecture(arg);
  return;
  }
 
  if constexpr ( std::is_same_v<T, std::wstring_view> )
  {
+ warn("Deprecated, prefer using ArchitectureType");
  SetArchitecture(Utils::StringLib::To<std::string>(arg));
  return;
  }
@@ -62,16 +64,10 @@ class GlobalContext
  throw new std::bad_typeid();
  }
 
- void
- Set(const char* arg)
- {
- return Set(std::string_view(arg));
- }
-
 
 private:
  ///
- /// @brief Set the Architecture object
+ /// @brief Set the Architecture for the global context
  ///
  /// @param arch
  ///
@@ -80,7 +76,7 @@ class GlobalContext
 
 
  ///
- ///@brief Set the Architecture object from a string
+ ///@brief Set the Architecture object from its name
  ///
  ///@param type
  ///
@@ -89,7 +85,8 @@ class GlobalContext
 
 
  ///
- ///@brief Set the Endianess object
+ ///@brief Force the endianess on the selected architecture. Note that this will impact function that automatically
+ /// collect context info to determine their behavior (for instance `Utils::Pack` etc.)
  ///
  ///@param end
  ///

diff --git a/Modules/Common/Source/Architecture.cpp b/Modules/Common/Source/Architecture.cpp
@@ -44,7 +44,8 @@ Architecture::Find(std::string_view const& sv)
  Architectures.data.cend(),
  [&](auto const& e)
  {
- return e.second.name == sv;
+ return e.second.name == sv ||
+ (std::find(e.second.aliases.begin(), e.second.aliases.end(), sv) != e.second.aliases.end());
  });
  if ( entry == Architectures.data.cend() )
  {

diff --git a/Modules/Common/Source/Context.cpp b/Modules/Common/Source/Context.cpp
@@ -10,13 +10,17 @@ struct GlobalContext Context;
 GlobalContext::GlobalContext()
 {
  Utils::Random::Seed(std::chrono::system_clock::now().time_since_epoch().count());
- Set("x64");
+ SetArchitecture(ArchitectureType::x64);
 };
 
 void
 GlobalContext::SetArchitecture(ArchitectureType const& archtype)
 {
- architecture = Architectures.at(archtype);
+ auto arch = Architectures.at(archtype);
+ architecture = arch;
+ endianess = arch.endian;
+ ptrsize = arch.ptrsize;
+ dbg("Selecting '{}'", arch);
 }
 
 void

diff --git a/Modules/FileSystem/Tests/main.cpp b/Modules/FileSystem/Tests/main.cpp
@@ -1,3 +1,8 @@
 #define CATCH_CONFIG_MAIN
 
 #include <catch2/catch_test_macros.hpp>
+
+TEST_CASE("Test checker")
+{
+ CHECK(true);
+}
diff --git a/Modules/Network/Tests/main.cpp b/Modules/Network/Tests/main.cpp
@@ -1,3 +1,8 @@
 #define CATCH_CONFIG_MAIN
 
 #include <catch2/catch_test_macros.hpp>
+
+TEST_CASE("Test checker")
+{
+ CHECK(true);
+}
diff --git a/Modules/Registry/Tests/main.cpp b/Modules/Registry/Tests/main.cpp
@@ -1,3 +1,8 @@
 #define CATCH_CONFIG_MAIN
 
 #include <catch2/catch_test_macros.hpp>
+
+TEST_CASE("Test checker")
+{
+ CHECK(true);
+}
diff --git a/Modules/Remote/Tests/main.cpp b/Modules/Remote/Tests/main.cpp
@@ -1,3 +1,8 @@
 #define CATCH_CONFIG_MAIN
 
 #include <catch2/catch_test_macros.hpp>
+
+TEST_CASE("Test checker")
+{
+ CHECK(true);
+}
diff --git a/Modules/Service/Tests/main.cpp b/Modules/Service/Tests/main.cpp
@@ -1,3 +1,8 @@
 #define CATCH_CONFIG_MAIN
 
 #include <catch2/catch_test_macros.hpp>
+
+TEST_CASE("Test checker")
+{
+ CHECK(true);
+}
diff --git a/Modules/Symbols/Include/Win32/Resolver.hpp b/Modules/Symbols/Include/Win32/Resolver.hpp
@@ -3,27 +3,36 @@
 #include <unordered_map>
 
 #include "Common.hpp"
+
 namespace pwn::Resolver
 {
 
 #if defined(PWN_BUILD_FOR_WINDOWS)
-static std::unordered_map<std::string_view, HMODULE> pwn_Modules {};
+using ModuleHandle = HMODULE;
+#elif defined(PWN_BUILD_FOR_LINUX)
+using ModuleHandle = void*;
+#endif // PWN_BUILD_FOR_WINDOWS
+
+static std::unordered_map<std::string_view, ModuleHandle> LoadedModules {};
+} // namespace pwn::Resolver
 
+#if defined(PWN_BUILD_FOR_WINDOWS)
 #define ExternalImport(Dll, Func, Ret, ...) \
  typedef Ret(NTAPI* CONCAT(pwnFn_, Func))(__VA_ARGS__); \
  template<typename... Ts> \
  static auto Func(Ts... Args) -> Ret \
  { \
- if ( !pwn_Modules.contains(Dll) ) [[unlikely]]  \
+ if ( !pwn::Resolver::LoadedModules.contains(Dll) ) [[unlikely]] \
  { \
  HMODULE hMod = ::LoadLibraryA(Dll); \
  if ( !hMod ) \
  { \
  throw std::runtime_error("Missing library " Dll "!"); \
  } \
- pwn_Modules[Dll] = hMod;  \
+ pwn::Resolver::LoadedModules[Dll] = hMod; \
  } \
- static auto fnPtr = reinterpret_cast<pwnFn_##Func>(::GetProcAddress(pwn_Modules[Dll], #Func)); \
+ static auto fnPtr = \
+ reinterpret_cast<pwnFn_##Func>(::GetProcAddress(pwn::Resolver::LoadedModules[Dll], #Func)); \
  if ( !fnPtr ) [[unlikely]] \
  { \
  throw std::runtime_error("Missing import " Dll "!" #Func); \
@@ -32,25 +41,24 @@ static std::unordered_map<std::string_view, HMODULE> pwn_Modules {};
  }
 #endif // PWN_BUILD_FOR_WINDOWS
 
-
 #if defined(PWN_BUILD_FOR_LINUX)
-static std::unordered_map<std::string_view, void*> pwn_Modules {};
+static std::unordered_map<std::string_view, void*> LoadedModules {};
 
 #define ExternalImport(Dll, Func, Ret, ...) \
  typedef Ret(NTAPI* CONCAT(pwnFn_, Func))(__VA_ARGS__); \
  template<typename... Ts> \
  auto Func(Ts... Args) -> Ret \
  { \
- if ( !pwn_Modules.contains(Dll) )  \
+ if ( !pwn::Resolver::LoadedModules.contains(Dll) ) \
  { \
  void * hMod = ::::dlopen((Dll, RTLD_LAZY); \
  if ( !hMod ) \
  { \
  throw std::runtime_error("Missing library " Dll "!"); \
  } \
- pwn_Modules[Dll] = hMod;  \
+ pwn::Resolver::LoadedModules[Dll] = hMod; \
  } \
- static auto fnPtr = ::dlsym(pwn_Modules[Dll], #Func));  \
+ static auto fnPtr = ::dlsym(pwn::Resolver::LoadedModules[Dll], #Func)); \
  if ( !fnPtr ) \
  { \
  throw std::runtime_error("Missing import " Dll "!" #Func); \
@@ -59,8 +67,6 @@ static std::unordered_map<std::string_view, void*> pwn_Modules {};
  }
 #endif // PWN_BUILD_FOR_LINUX
 
-}; // namespace pwn::Resolver
-
 
 #define RestrictedType(...) const auto& __VA_OPT__(, RestrictedType(__VA_ARGS__))
 #define RestrictApiType(Ret, Func, ...) Ret Func()
diff --git a/Tools/Win32/AppContainMe/AppContainMe.cpp b/Tools/Win32/AppContainMe/AppContainMe.cpp
@@ -27,7 +27,7 @@ wmain(_In_ int argc, _In_ const wchar_t** argv) -> int
  return EXIT_FAILURE;
  }
 
- Context.Set("x64");
+ Context.Set(ArchitectureType::x64);
  Context.LogLevel = Log::LogLevel::Debug;
 
  const std::wstring containerName {L"appcontainer-" + Utils::Random::AlnumWideString(10)};

diff --git a/Tools/Win32/ExploitTemplate/xp.cpp b/Tools/Win32/ExploitTemplate/xp.cpp
@@ -4,7 +4,7 @@ using namespace pwn;
 int
 wmain()
 {
- Context.Set("x64");
+ Context.Set(ArchitectureType::x64);
  Context.Set(Log::LogLevel::Debug);
 
  info(L"Starting...");

diff --git a/Tools/Win32/ProcessReparent/ProcessReparent.cpp b/Tools/Win32/ProcessReparent/ProcessReparent.cpp
@@ -12,7 +12,7 @@ using namespace pwn;
 auto
 wmain(const int argc, const wchar_t** argv) -> int
 {
- Context.Set("x64");
+ Context.Set(ArchitectureType::x64);
  Context.LogLevel = Log::LogLevel::Debug;
 
  const auto target_process = (argc >= 2) ? std::wstring(argv[1]) : std::wstring(L"powershell.exe");