[single-exe] Run from bundle on Windows

src/coreclr/hosts/CMakeLists.txt

@@ -3,6 +3,7 @@ include_directories(inc)
 if(WIN32)
   add_subdirectory(corerun)
   add_subdirectory(coreconsole)
+  add_subdirectory(corebundle)
   add_subdirectory(coreshim)
 else(WIN32)
   include_directories(${CMAKE_CURRENT_BINARY_DIR})

src/coreclr/hosts/bundle/CMakeLists.txt

@@ -0,0 +1,34 @@
+set(Bundle_Common_SOURCES  
+    ${CMAKE_CURRENT_LIST_DIR}/app_bundle.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/file_entry.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/header.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/manifest.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/marker.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/reader.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/runner.cpp
+    ${CMAKE_CURRENT_LIST_DIR}/utils.cpp
+)
+
+set(Bundle_Windows_SOURCES  
+    ${Bundle_Common_SOURCES}
+    ${CMAKE_CURRENT_LIST_DIR}/pal_windows.cpp
+)
+
+set(Bundle_Unix_SOURCES  
+    ${Bundle_Common_SOURCES}
+    ${CMAKE_CURRENT_LIST_DIR}/pal_unix.cpp
+)
+
+set(Bundle_HEADERS
+    ${CMAKE_CURRENT_LIST_DIR}/app_bundle.h
+    ${CMAKE_CURRENT_LIST_DIR}/error_codes.h
+    ${CMAKE_CURRENT_LIST_DIR}/file_entry.h
+    ${CMAKE_CURRENT_LIST_DIR}/file_type.h
+    ${CMAKE_CURRENT_LIST_DIR}/header.h
+    ${CMAKE_CURRENT_LIST_DIR}/manifest.h
+    ${CMAKE_CURRENT_LIST_DIR}/marker.h
+    ${CMAKE_CURRENT_LIST_DIR}/pal.h
+    ${CMAKE_CURRENT_LIST_DIR}/reader.h
+    ${CMAKE_CURRENT_LIST_DIR}/runner.h
+    ${CMAKE_CURRENT_LIST_DIR}/utils.h
+)

src/coreclr/hosts/bundle/app_bundle.cpp

@@ -0,0 +1,34 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+#include "app_bundle.h"
+#include "marker.h"
+#include "runner.h"
+
+using namespace bundle;
+
+runner_t* app_bundle_t::s_runner = nullptr;
+
+bool app_bundle_t::init(const char* exe_path)
+{
+    if (!bundle::marker_t::is_bundle())
+    {
+        return false;
+    }
+
+    pal::string_t self_path;
+    pal::clr_palstring(exe_path, self_path);
+
+    static runner_t runner(exe_path);
+    s_runner = &runner;
+
+    StatusCode status = runner.process();
+
+    return status == StatusCode::Success;
+}
+
+bool app_bundle_t::probe(const char* path, int64_t* size, int64_t* offset)
+{
+    return s_runner->probe(path, size, offset);
+}

src/coreclr/hosts/bundle/app_bundle.h

@@ -0,0 +1,28 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+// This class represents the bundle for the currently executing application
+// It is the bundle-processing module's interface with the outside world.
+
+#ifndef __APP_BUNDLE_H__
+#define __APP_BUNDLE_H__
+
+#include <stdint.h>
+
+namespace bundle
+{
+    class runner_t;
+
+    class app_bundle_t
+    {
+    public:
+        static bool init(const char *path);
+        static bool probe(const char* path, int64_t* size, int64_t* offset);
+
+    private:
+        static runner_t *s_runner;
+    };
+}
+
+#endif // __APP_BUNDLE_H__

src/coreclr/hosts/unixcorebundle/bundle/file_entry.cpp → src/coreclr/hosts/bundle/file_entry.cpp

@@ -3,7 +3,6 @@
 // See the LICENSE file in the project root for more information.
 
 #include "file_entry.h"
-#include "trace.h"
 #include "error_codes.h"
 
 using namespace bundle;
@@ -15,7 +14,7 @@ bool file_entry_t::is_valid() const
 }
 
 // Fixup a path to have current platform's directory separator.
-void fixup_path_separator(pal::string_t& path)
+void fixup_dir_separator(pal::string_t& path)
 {
     const pal::char_t bundle_dir_separator = '/';
 
@@ -38,13 +37,11 @@ file_entry_t file_entry_t::read(reader_t &reader)
 
     if (!entry.is_valid())
     {
-        trace::error(_X("Failure processing application bundle; possible file corruption."));
-        trace::error(_X("Invalid FileEntry detected."));
         throw StatusCode::BundleExtractionFailure;
     }
 
     reader.read_path_string(entry.m_relative_path);
-    fixup_path_separator(entry.m_relative_path);
+    fixup_dir_separator(entry.m_relative_path);
 
     return entry;
 }

src/coreclr/hosts/unixcorebundle/bundle/header.cpp → src/coreclr/hosts/bundle/header.cpp

@@ -5,7 +5,6 @@
 #include "header.h"
 #include "reader.h"
 #include "error_codes.h"
-#include "trace.h"
 
 using namespace bundle;
 
@@ -22,9 +21,6 @@ header_t header_t::read(reader_t& reader)
 
     if (!fixed_header->is_valid())
     {
-        trace::error(_X("Failure processing application bundle."));
-        trace::error(_X("Bundle header version compatibility check failed."));
-
         throw StatusCode::BundleExtractionFailure;
     }
 

src/coreclr/hosts/bundle/pal.h

@@ -0,0 +1,68 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+#ifndef PAL_H
+#define PAL_H
+
+#include <string>
+#include <vector>
+#include <fstream>
+#include <sstream>
+#include <iostream>
+#include <cstring>
+#include <cstdarg>
+#include <cstdint>
+#include <cassert>
+
+#if defined(_WIN32)
+#include <windows.h>
+#else // defined(_WIN32)
+#include <cstdlib>
+#include <unistd.h>
+#include <libgen.h>
+#include <mutex>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#endif // defined(_WIN32)
+
+#if defined(_WIN32)
+#define DIR_SEPARATOR '\\'
+#define PATH_MAX MAX_PATH
+
+#else // defined(_WIN32)
+#define DIR_SEPARATOR '/'
+
+#if !defined(PATH_MAX) 
+#define PATH_MAX    4096
+#endif
+#endif // defined(_WIN32)
+
+namespace pal
+{
+    typedef std::basic_ifstream<char> ifstream_t;
+    typedef std::istreambuf_iterator<ifstream_t::char_type> istreambuf_iterator_t;
+    typedef std::basic_istream<char> istream_t;
+
+    typedef char char_t;
+    typedef std::string string_t;
+    typedef std::stringstream stringstream_t;
+
+    inline bool clr_palstring(const char* cstr, string_t& out) { out.assign(cstr); return true; }
+
+#if defined(_WIN32)
+    typedef HMODULE dll_t;
+    typedef FARPROC proc_t;
+    inline int pathcmp(const char_t* path1, const char_t* path2) { return ::_stricmp(path1, path2); }
+#else // defined(_WIN32)
+    typedef void* dll_t;
+    typedef void* proc_t;
+    inline int pathcmp(const char_t* path1, const char_t* path2) { return ::strcmp(path1, path2); }
+#endif // defined(_WIN32)
+
+    void* map_file_readonly(const string_t& path, size_t& length);
+    bool unmap_file(void* addr, size_t length);
+}
+
+#endif // PAL_H

src/coreclr/hosts/bundle/pal_unix.cpp

@@ -0,0 +1,42 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+#include "pal.h"
+
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <dirent.h>
+
+void* pal::map_file_readonly(const pal::string_t& path, size_t& length)
+{
+    int fd = open(path.c_str(), O_RDONLY, (S_IRUSR | S_IRGRP | S_IROTH));
+    if (fd == -1)
+    {
+        return nullptr;
+    }
+
+    struct stat buf;
+    if (fstat(fd, &buf) != 0)
+    {
+        close(fd);
+        return nullptr;
+    }
+
+     length = buf.st_size;
+    void* address = mmap(nullptr, length, PROT_READ, MAP_SHARED, fd, 0);
+
+     if(address == nullptr)
+    {
+        close(fd);
+        return nullptr;
+    }
+
+     close(fd);
+    return address;
+}
+
+bool pal::unmap_file(void* addr, size_t length) 
+{ 
+    return munmap(addr, length) == 0; 
+}

src/coreclr/hosts/bundle/pal_windows.cpp

@@ -0,0 +1,46 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+#include "pal.h"
+
+void* pal::map_file_readonly(const pal::string_t& path, size_t& length)
+{
+    HANDLE file = CreateFileA(path.c_str(), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+
+    if (file == INVALID_HANDLE_VALUE)
+    {
+        return nullptr;
+    }
+
+    LARGE_INTEGER fileSize;
+    if (GetFileSizeEx(file, &fileSize) == 0)
+    {
+        CloseHandle(file);
+        return nullptr;
+    }
+    length = (size_t)fileSize.QuadPart;
+
+    HANDLE map = CreateFileMappingW(file, NULL, PAGE_READONLY, 0, 0, NULL);
+
+    if (map == NULL)
+    {
+        CloseHandle(file);
+        return nullptr;
+    }
+
+    void* address = MapViewOfFile(map, FILE_MAP_READ, 0, 0, 0);
+
+    if (map == NULL)
+    {
+        CloseHandle(file);
+        return nullptr;
+    }
+
+    return address;
+}
+
+bool pal::unmap_file(void* addr, size_t length) 
+{ 
+    return UnmapViewOfFile(addr) != 0; 
+}
+

src/coreclr/hosts/unixcorebundle/bundle/reader.cpp → src/coreclr/hosts/bundle/reader.cpp

@@ -4,7 +4,6 @@
 
 #include "reader.h"
 #include "error_codes.h"
-#include "trace.h"
 #include <memory>
 
 using namespace bundle;
@@ -17,8 +16,6 @@ const int8_t* reader_t::add_without_overflow(const int8_t* ptr, int64_t len)
     // even if the actual arthmetic didn't overflow.
     if (new_ptr < ptr)
     {
-        trace::error(_X("Failure processing application bundle; possible file corruption."));
-        trace::error(_X("Arithmetic overflow computing bundle-bounds."));
         throw StatusCode::BundleExtractionFailure;
     }
 
@@ -29,8 +26,6 @@ void reader_t::set_offset(int64_t offset)
 {
     if (offset < 0 || offset >= m_bound)
     {
-        trace::error(_X("Failure processing application bundle; possible file corruption."));
-        trace::error(_X("Arithmetic overflow while reading bundle."));
         throw StatusCode::BundleExtractionFailure;
     }
 
@@ -44,8 +39,6 @@ void reader_t::bounds_check(int64_t len)
     // It is legal for post_read_ptr == m_bound_ptr after reading the last byte.
     if (m_ptr < m_base_ptr || post_read_ptr > m_bound_ptr)
     {
-        trace::error(_X("Failure processing application bundle; possible file corruption."));
-        trace::error(_X("Bounds check failed while reading the bundle."));
         throw StatusCode::BundleExtractionFailure;
     }
 }
@@ -70,9 +63,6 @@ size_t reader_t::read_path_length()
         if (second_byte & 0x80)
         {
             // There can be no more than two bytes in path_length
-            trace::error(_X("Failure processing application bundle; possible file corruption."));
-            trace::error(_X("Path length encoding read beyond two bytes."));
-
             throw StatusCode::BundleExtractionFailure;
         }
 
@@ -81,8 +71,6 @@ size_t reader_t::read_path_length()
 
     if (length <= 0 || length > PATH_MAX)
     {
-        trace::error(_X("Failure processing application bundle; possible file corruption."));
-        trace::error(_X("Path length is zero or too long."));
         throw StatusCode::BundleExtractionFailure;
     }
 
@@ -95,5 +83,5 @@ void reader_t::read_path_string(pal::string_t &str)
     std::unique_ptr<uint8_t[]> buffer{ new uint8_t[size + 1] };
     read(buffer.get(), size);
     buffer[size] = 0; // null-terminator
-    pal::clr_palstring(reinterpret_cast<const char*>(buffer.get()), &str);
+    pal::clr_palstring(reinterpret_cast<const char*>(buffer.get()), str);
 }