/**
* When the framework is not found, display detailed error message
* about available frameworks and installation of new framework.
*/
void handle_missing_framework_error(const pal::string_t& fx_name, const pal::string_t& fx_version, const pal::string_t& fx_dir)
{
pal::string_t fx_ver_dirs = get_directory(fx_dir);
// Display the error message about missing FX.
trace::error(_X("The specified framework '%s', version '%s' was not found."), fx_name.c_str(), fx_version.c_str());
trace::error(_X(" - Check application dependencies and target a framework version installed at:"));
trace::error(_X(" %s"), fx_ver_dirs.c_str());
// Gather the list of versions installed at the shared FX location.
bool is_print_header = true;
std::vector<pal::string_t> versions;
pal::readdir(fx_ver_dirs, &versions);
for (const auto& ver : versions)
{
// Make sure we filter out any non-version folders at shared FX location.
fx_ver_t parsed(-1, -1, -1);
if (fx_ver_t::parse(ver, &parsed, false))
{
// Print banner only once before printing the versions
if (is_print_header)
{
trace::error(_X(" - The following versions are installed:"));
is_print_header = false;
}
trace::error(_X(" %s"), ver.c_str());
}
}
trace::error(_X(" - Alternatively, install the framework version '%s'."), fx_version.c_str());
}
bool starts_with(const pal::string_t& value, const pal::string_t& prefix, bool match_case)
{
if (prefix.empty())
{
// Cannot start with an empty string.
return false;
}
auto cmp = match_case ? pal::strncmp : pal::strncasecmp;
return (value.size() >= prefix.size()) &&
cmp(value.c_str(), prefix.c_str(), prefix.size()) == 0;
}
bool pal::touch_file(const pal::string_t& path)
{
int fd = open(path.c_str(), (O_CREAT | O_EXCL), (S_IRUSR | S_IRGRP | S_IROTH));
if (fd == -1)
{
trace::warning(_X("open(%s) failed in %s"), path.c_str(), _STRINGIFY(__FUNCTION__));
return false;
}
(void) close(fd);
return true;
}
bool pal::pal_utf8string(const pal::string_t& str, std::vector<char>* out)
{
out->clear();
// Pass -1 as we want explicit null termination in the char buffer.
size_t size = ::WideCharToMultiByte(CP_UTF8, 0, str.c_str(), -1, nullptr, 0, nullptr, nullptr);
if (size == 0)
{
return false;
}
out->resize(size, '\0');
return ::WideCharToMultiByte(CP_UTF8, 0, str.c_str(), -1, out->data(), out->size(), nullptr, nullptr) != 0;
}
/**
* Resolve the hostpolicy version from deps.
* - Scan the deps file's libraries section and find the hostpolicy version in the file.
*/
pal::string_t resolve_hostpolicy_version_from_deps(const pal::string_t& deps_json)
{
trace::verbose(_X("--- Resolving %s version from deps json [%s]"), LIBHOSTPOLICY_NAME, deps_json.c_str());
pal::string_t retval;
if (!pal::file_exists(deps_json))
{
trace::verbose(_X("Dependency manifest [%s] does not exist"), deps_json.c_str());
return retval;
}
pal::ifstream_t file(deps_json);
if (!file.good())
{
trace::verbose(_X("Dependency manifest [%s] could not be opened"), deps_json.c_str());
return retval;
}
if (skip_utf8_bom(&file))
{
trace::verbose(_X("UTF-8 BOM skipped while reading [%s]"), deps_json.c_str());
}
try
{
const auto root = json_value::parse(file);
const auto& json = root.as_object();
const auto& libraries = json.at(_X("libraries")).as_object();
// Look up the root package instead of the "runtime" package because we can't do a full rid resolution.
// i.e., look for "Microsoft.NETCore.DotNetHostPolicy/" followed by version.
pal::string_t prefix = _X("Microsoft.NETCore.DotNetHostPolicy/");
for (const auto& library : libraries)
{
if (starts_with(library.first, prefix, false))
{
// Extract the version information that occurs after '/'
retval = library.first.substr(prefix.size());
break;
}
}
}
catch (const std::exception& je)
{
pal::string_t jes;
(void)pal::utf8_palstring(je.what(), &jes);
trace::error(_X("A JSON parsing exception occurred in [%s]: %s"), deps_json.c_str(), jes.c_str());
}
trace::verbose(_X("Resolved version %s from dependency manifest file [%s]"), retval.c_str(), deps_json.c_str());
return retval;
}
int execute_app(
const pal::string_t& impl_dll_dir,
const corehost_init_t* init,
const int argc,
const pal::char_t* argv[])
{
pal::dll_t corehost;
corehost_main_fn host_main = nullptr;
corehost_load_fn host_load = nullptr;
corehost_unload_fn host_unload = nullptr;
int code = load_host_library(impl_dll_dir, &corehost, &host_load, &host_main, &host_unload);
if (code != StatusCode::Success)
{
trace::error(_X("Could not load host policy library [%s]"), impl_dll_dir.c_str());
return code;
}
if ((code = host_load(init)) == 0)
{
code = host_main(argc, argv);
(void)host_unload();
}
pal::unload_library(corehost);
return code;
}
int load_host_library_common(
const pal::string_t& lib_dir,
pal::string_t& host_path,
pal::dll_t* h_host,
corehost_load_fn* load_fn,
corehost_unload_fn* unload_fn)
{
if (!library_exists_in_dir(lib_dir, LIBHOSTPOLICY_NAME, &host_path))
{
return StatusCode::CoreHostLibMissingFailure;
}
// Load library
if (!pal::load_library(&host_path, h_host))
{
trace::info(_X("Load library of %s failed"), host_path.c_str());
return StatusCode::CoreHostLibLoadFailure;
}
// Obtain entrypoint symbols
*load_fn = (corehost_load_fn)pal::get_symbol(*h_host, "corehost_load");
*unload_fn = (corehost_unload_fn)pal::get_symbol(*h_host, "corehost_unload");
return (*load_fn != nullptr) && (*unload_fn != nullptr)
? StatusCode::Success
: StatusCode::CoreHostEntryPointFailure;
}
/**
* Given a directory and a version, find if the package relative
* dir under the given directory contains hostpolicy.dll
*/
bool to_hostpolicy_package_dir(const pal::string_t& dir, const pal::string_t& version, pal::string_t* candidate)
{
assert(!version.empty());
candidate->clear();
// Ensure the relative dir contains platform directory separators.
pal::string_t rel_dir = _STRINGIFY(HOST_POLICY_PKG_REL_DIR);
if (DIR_SEPARATOR != '/')
{
replace_char(&rel_dir, '/', DIR_SEPARATOR);
}
// Construct the path to directory containing hostpolicy.
pal::string_t path = dir;
append_path(&path, _STRINGIFY(HOST_POLICY_PKG_NAME)); // package name
append_path(&path, version.c_str()); // package version
append_path(&path, rel_dir.c_str()); // relative dir containing hostpolicy library
// Check if "path" contains the required library.
if (!library_exists_in_dir(path, LIBHOSTPOLICY_NAME, nullptr))
{
trace::verbose(_X("Did not find %s in directory %s"), LIBHOSTPOLICY_NAME, path.c_str());
return false;
}
// "path" contains the directory containing hostpolicy library.
*candidate = path;
trace::verbose(_X("Found %s in directory %s"), LIBHOSTPOLICY_NAME, path.c_str());
return true;
}
// -----------------------------------------------------------------------------
// Load local assemblies by priority order of their file extensions and
// unique-fied by their simple name.
//
void deps_resolver_t::get_dir_assemblies(
const pal::string_t& dir,
const pal::string_t& dir_name,
dir_assemblies_t* dir_assemblies)
{
trace::verbose(_X("Adding files from %s dir %s"), dir_name.c_str(), dir.c_str());
// Managed extensions in priority order, pick DLL over EXE and NI over IL.
const pal::string_t managed_ext[] = { _X(".ni.dll"), _X(".dll"), _X(".ni.exe"), _X(".exe") };
// List of files in the dir
std::vector<pal::string_t> files;
pal::readdir(dir, &files);
for (const auto& ext : managed_ext)
{
for (const auto& file : files)
{
// Nothing to do if file length is smaller than expected ext.
if (file.length() <= ext.length())
{
continue;
}
auto file_name = file.substr(0, file.length() - ext.length());
auto file_ext = file.substr(file_name.length());
// Ext did not match expected ext, skip this file.
if (pal::strcasecmp(file_ext.c_str(), ext.c_str()))
{
continue;
}
// Already added entry for this asset, by priority order skip this ext
if (dir_assemblies->count(file_name))
{
trace::verbose(_X("Skipping %s because the %s already exists in %s assemblies"), file.c_str(), dir_assemblies->find(file_name)->second.c_str(), dir_name.c_str());
continue;
}
// Add entry for this asset
pal::string_t file_path = dir + DIR_SEPARATOR + file;
trace::verbose(_X("Adding %s to %s assembly set from %s"), file_name.c_str(), dir_name.c_str(), file_path.c_str());
dir_assemblies->emplace(file_name, file_path);
}
}
}
runtime_config_t::runtime_config_t(const pal::string_t& path)
: m_fx_roll_fwd(true)
, m_path(path)
, m_portable(false)
{
m_valid = ensure_parsed();
trace::verbose(_X("Runtime config [%s] is valid=[%d]"), path.c_str(), m_valid);
}
bool get_global_shared_store_dirs(std::vector<pal::string_t>* dirs, const pal::string_t& arch, const pal::string_t& tfm)
{
std::vector<pal::string_t> global_dirs;
if (!pal::get_global_dotnet_dirs(&global_dirs))
{
return false;
}
for (pal::string_t dir : global_dirs)
{
append_path(&dir, RUNTIME_STORE_DIRECTORY_NAME);
append_path(&dir, arch.c_str());
append_path(&dir, tfm.c_str());
dirs->push_back(dir);
}
return true;
}
// -----------------------------------------------------------------------------
// Load the deps file and parse its "entry" lines which contain the "fields" of
// the entry. Populate an array of these entries.
//
bool deps_json_t::load(bool portable, const pal::string_t& deps_path, const rid_fallback_graph_t& rid_fallback_graph)
{
m_file_exists = pal::file_exists(deps_path);
// If file doesn't exist, then assume parsed.
if (!m_file_exists)
{
trace::verbose(_X("Could not locate the dependencies manifest file [%s]. Some libraries may fail to resolve."), deps_path.c_str());
return true;
}
// Somehow the file stream could not be opened. This is an error.
pal::ifstream_t file(deps_path);
if (!file.good())
{
trace::error(_X("Could not open dependencies manifest file [%s]"), deps_path.c_str());
return false;
}
if (skip_utf8_bom(&file))
{
trace::verbose(_X("UTF-8 BOM skipped while reading [%s]"), deps_path.c_str());
}
try
{
const auto json = json_value::parse(file);
const auto& runtime_target = json.at(_X("runtimeTarget"));
const pal::string_t& name = runtime_target.is_string()?
runtime_target.as_string():
runtime_target.at(_X("name")).as_string();
trace::verbose(_X("Loading deps file... %s as portable=[%d]"), deps_path.c_str(), portable);
return (portable) ? load_portable(json, name, rid_fallback_graph) : load_standalone(json, name);
}
catch (const std::exception& je)
{
pal::string_t jes;
(void) pal::utf8_palstring(je.what(), &jes);
trace::error(_X("A JSON parsing exception occurred in [%s]: %s"), deps_path.c_str(), jes.c_str());
return false;
}
}
bool pal::file_exists(const pal::string_t& path)
{
if (path.empty())
{
return false;
}
struct stat buffer;
return (::stat(path.c_str(), &buffer) == 0);
}
pal::string_t resolve_sdk_version(pal::string_t sdk_path)
{
trace::verbose(_X("--- Resolving SDK version from SDK dir [%s]"), sdk_path.c_str());
pal::string_t retval;
std::vector<pal::string_t> versions;
pal::readdir(sdk_path, &versions);
fx_ver_t max_ver(-1, -1, -1);
fx_ver_t max_pre(-1, -1, -1);
for (const auto& version : versions)
{
trace::verbose(_X("Considering version... [%s]"), version.c_str());
fx_ver_t ver(-1, -1, -1);
if (fx_ver_t::parse(version, &ver, true))
{
max_ver = std::max(ver, max_ver);
}
if (fx_ver_t::parse(version, &ver, false))
{
max_pre = std::max(ver, max_pre);
}
}
// No production, use the max pre-release.
if (max_ver == fx_ver_t(-1, -1, -1))
{
trace::verbose(_X("No production version found, so using latest prerelease"));
max_ver = max_pre;
}
pal::string_t max_ver_str = max_ver.as_str();
append_path(&sdk_path, max_ver_str.c_str());
trace::verbose(_X("Checking if resolved SDK dir [%s] exists"), sdk_path.c_str());
if (pal::directory_exists(sdk_path))
{
retval = sdk_path;
}
trace::verbose(_X("Resolved SDK dir is [%s]"), retval.c_str());
return retval;
}
void tpafile::add_from_local_dir(const pal::string_t& dir)
{
trace::verbose(_X("adding files from %s to TPA"), dir.c_str());
const pal::char_t * const tpa_extensions[] = {
_X(".ni.dll"), // Probe for .ni.dll first so that it's preferred if ni and il coexist in the same dir
_X(".dll"),
_X(".ni.exe"),
_X(".exe"),
};
std::set<pal::string_t> added_assemblies;
// Get directory entries
auto files = pal::readdir(dir);
for (auto ext : tpa_extensions)
{
auto len = pal::strlen(ext);
for (auto file : files)
{
// Can't be a match if it's the same length as the extension :)
if (file.length() > len)
{
// Extract the same amount of text from the end of file name
auto file_ext = file.substr(file.length() - len, len);
// Check if this file name matches
if (pal::strcasecmp(ext, file_ext.c_str()) == 0)
{
// Get the assembly name by stripping the extension
// and add it to the set so we can de-dupe
auto asm_name = file.substr(0, file.length() - len);
// TODO(anurse): Also check if already in TPA file
if (added_assemblies.find(asm_name) == added_assemblies.end())
{
added_assemblies.insert(asm_name);
tpaentry_t entry;
entry.asset_type = pal::string_t(_X("runtime"));
entry.library_name = pal::string_t(asm_name);
entry.library_version = pal::string_t(_X(""));
pal::string_t relpath(dir);
relpath.push_back(DIR_SEPARATOR);
relpath.append(file);
entry.relative_path = relpath;
entry.asset_name = asm_name;
trace::verbose(_X("adding %s to TPA list from %s"), asm_name.c_str(), relpath.c_str());
m_entries.push_back(entry);
}
}
}
}
}
}
/**
* When the framework is referenced more than once in a non-compatible way, display detailed error message
* about available frameworks and installation of new framework.
*/
void fx_resolver_t::display_incompatible_framework_error(
const pal::string_t& higher,
const fx_reference_t& lower)
{
trace::error(_X("The specified framework '%s', version '%s', apply_patches=%d, roll_forward=%s cannot roll-forward to the previously referenced version '%s'."),
lower.get_fx_name().c_str(),
lower.get_fx_version().c_str(),
lower.get_apply_patches(),
roll_forward_option_to_string(lower.get_roll_forward()).c_str(),
higher.c_str());
}
static
bool is_executable(const pal::string_t& file_path)
{
struct stat st;
if (::stat(file_path.c_str(), &st) < 0)
{
return false;
}
return ((st.st_mode & S_IEXEC) != 0);
}
/*static*/ bool framework_info::print_all_frameworks(const pal::string_t& own_dir, const pal::string_t& leading_whitespace)
{
std::vector<framework_info> framework_infos;
get_all_framework_infos(own_dir, _X(""), &framework_infos);
for (framework_info info : framework_infos)
{
trace::println(_X("%s%s %s [%s]"), leading_whitespace.c_str(), info.name.c_str(), info.version.as_str().c_str(), info.path.c_str());
}
return framework_infos.size() > 0;
}
bool pal::touch_file(const pal::string_t& path)
{
HANDLE hnd = ::CreateFileW(path.c_str(), 0, 0, NULL, CREATE_NEW, FILE_ATTRIBUTE_NORMAL, NULL);
if (hnd == INVALID_HANDLE_VALUE)
{
trace::verbose(_X("Failed to leave breadcrumb, HRESULT: 0x%X"), HRESULT_FROM_WIN32(GetLastError()));
return false;
}
::CloseHandle(hnd);
return true;
}
bool get_env_shared_store_dirs(std::vector<pal::string_t>* dirs, const pal::string_t& arch, const pal::string_t& tfm)
{
pal::string_t path;
if (!pal::getenv(_X("DOTNET_SHARED_STORE"), &path))
{
return false;
}
pal::string_t tok;
pal::stringstream_t ss(path);
while (std::getline(ss, tok, PATH_SEPARATOR))
{
if (pal::realpath(&tok))
{
append_path(&tok, arch.c_str());
append_path(&tok, tfm.c_str());
dirs->push_back(tok);
}
}
return true;
}
pal::string_t fx_muxer_t::resolve_fx_dir(const pal::string_t& muxer_dir, runtime_config_t* runtime)
{
trace::verbose(_X("--- Resolving FX directory from muxer dir [%s]"), muxer_dir.c_str());
const auto fx_name = runtime->get_fx_name();
const auto fx_ver = runtime->get_fx_version();
const auto roll_fwd = runtime->get_fx_roll_fwd();
fx_ver_t specified(-1, -1, -1);
if (!fx_ver_t::parse(fx_ver, &specified, false))
{
trace::error(_X("The specified runtimeconfig.json version [%s] could not be parsed"), fx_ver.c_str());
return pal::string_t();
}
auto fx_dir = muxer_dir;
append_path(&fx_dir, _X("shared"));
append_path(&fx_dir, fx_name.c_str());
// If not roll forward or if pre-release, just return.
if (!roll_fwd || specified.is_prerelease())
{
trace::verbose(_X("Did not roll forward because rollfwd=%d and [%s] is prerelease=%d"),
roll_fwd, fx_ver.c_str(), specified.is_prerelease());
append_path(&fx_dir, fx_ver.c_str());
}
else
{
trace::verbose(_X("Attempting production FX roll forward starting from [%s]"), fx_ver.c_str());
std::vector<pal::string_t> list;
pal::readdir(fx_dir, &list);
fx_ver_t max_specified = specified;
for (const auto& version : list)
{
trace::verbose(_X("Inspecting version... [%s]"), version.c_str());
fx_ver_t ver(-1, -1, -1);
if (fx_ver_t::parse(version, &ver, true) &&
ver.get_major() == max_specified.get_major() &&
ver.get_minor() == max_specified.get_minor())
{
max_specified.set_patch(std::max(ver.get_patch(), max_specified.get_patch()));
}
}
pal::string_t max_specified_str = max_specified.as_str();
append_path(&fx_dir, max_specified_str.c_str());
}
trace::verbose(_X("Chose FX version [%s]"), fx_dir.c_str());
return fx_dir;
}
void fx_resolver_t::display_compatible_framework_trace(
const pal::string_t& higher,
const fx_reference_t& lower)
{
if (trace::is_enabled())
{
trace::verbose(_X("--- The specified framework '%s', version '%s', apply_patches=%d, roll_forward=%s is compatible with the previously referenced version '%s'."),
lower.get_fx_name().c_str(),
lower.get_fx_version().c_str(),
lower.get_apply_patches(),
roll_forward_option_to_string(lower.get_roll_forward()).c_str(),
higher.c_str());
}
}
pal::string_t fx_muxer_t::resolve_cli_version(const pal::string_t& global_json)
{
trace::verbose(_X("--- Resolving CLI version from global json [%s]"), global_json.c_str());
pal::string_t retval;
if (!pal::file_exists(global_json))
{
trace::verbose(_X("[%s] does not exist"), global_json.c_str());
return retval;
}
pal::ifstream_t file(global_json);
if (!file.good())
{
trace::verbose(_X("[%s] could not be opened"), global_json.c_str());
return retval;
}
if (skip_utf8_bom(&file))
{
trace::verbose(_X("UTF-8 BOM skipped while reading [%s]"), global_json.c_str());
}
try
{
const auto root = json_value::parse(file);
const auto& json = root.as_object();
const auto sdk_iter = json.find(_X("sdk"));
if (sdk_iter == json.end() || sdk_iter->second.is_null())
{
trace::verbose(_X("CLI '/sdk/version' field not present/null in [%s]"), global_json.c_str());
return retval;
}
const auto& sdk_obj = sdk_iter->second.as_object();
const auto ver_iter = sdk_obj.find(_X("version"));
if (ver_iter == sdk_obj.end() || ver_iter->second.is_null())
{
trace::verbose(_X("CLI 'sdk/version' field not present/null in [%s]"), global_json.c_str());
return retval;
}
retval = ver_iter->second.as_string();
}
catch (const std::exception& je)
{
pal::string_t jes;
(void) pal::utf8_palstring(je.what(), &jes);
trace::error(_X("A JSON parsing exception occurred in [%s]: %s"), global_json.c_str(), jes.c_str());
}
trace::verbose(_X("CLI version is [%s] in global json file [%s]"), retval.c_str(), global_json.c_str());
return retval;
}
/**
* When the framework is not found, display detailed error message
* about available frameworks and installation of new framework.
*/
void fx_resolver_t::display_missing_framework_error(
const pal::string_t& fx_name,
const pal::string_t& fx_version,
const pal::string_t& fx_dir,
const pal::string_t& dotnet_root)
{
std::vector<framework_info> framework_infos;
pal::string_t fx_ver_dirs;
if (fx_dir.length())
{
fx_ver_dirs = fx_dir;
framework_info::get_all_framework_infos(get_directory(fx_dir), fx_name, &framework_infos);
}
else
{
fx_ver_dirs = dotnet_root;
}
framework_info::get_all_framework_infos(dotnet_root, fx_name, &framework_infos);
// Display the error message about missing FX.
if (fx_version.length())
{
trace::error(_X("The specified framework '%s', version '%s' was not found."), fx_name.c_str(), fx_version.c_str());
}
else
{
trace::error(_X("The specified framework '%s' was not found."), fx_name.c_str());
}
if (framework_infos.size())
{
trace::error(_X(" - The following frameworks were found:"));
for (const framework_info& info : framework_infos)
{
trace::error(_X(" %s at [%s]"), info.version.as_str().c_str(), info.path.c_str());
}
}
else
{
trace::error(_X(" - No frameworks were found."));
}
trace::error(_X(""));
trace::error(_X("You can resolve the problem by installing the specified framework and/or SDK."));
trace::error(_X(""));
trace::error(_X("The .NET Core frameworks can be found at:"));
trace::error(_X(" - %s"), DOTNET_CORE_DOWNLOAD_URL);
}
void pal::readdir(const pal::string_t& path, std::vector<pal::string_t>* list)
{
assert(list != nullptr);
std::vector<pal::string_t>& files = *list;
auto dir = opendir(path.c_str());
if (dir != nullptr)
{
struct dirent* entry = nullptr;
while((entry = readdir(dir)) != nullptr)
{
// We are interested in files only
switch (entry->d_type)
{
case DT_REG:
break;
// Handle symlinks and file systems that do not support d_type
case DT_LNK:
case DT_UNKNOWN:
{
std::string fullFilename;
fullFilename.append(path);
fullFilename.push_back(DIR_SEPARATOR);
fullFilename.append(entry->d_name);
struct stat sb;
if (stat(fullFilename.c_str(), &sb) == -1)
{
continue;
}
if (!S_ISREG(sb.st_mode))
{
continue;
}
}
break;
default:
continue;
}
files.push_back(pal::string_t(entry->d_name));
}
}
}
bool library_exists_in_dir(const pal::string_t& lib_dir, const pal::string_t& lib_name, pal::string_t* p_lib_path)
{
pal::string_t lib_path = lib_dir;
append_path(&lib_path, lib_name.c_str());
if (!pal::file_exists(lib_path))
{
return false;
}
if (p_lib_path)
{
*p_lib_path = lib_path;
}
return true;
}
static void readdir(const pal::string_t& path, const pal::string_t& pattern, bool onlydirectories, std::vector<pal::string_t>* list)
{
assert(list != nullptr);
std::vector<pal::string_t>& files = *list;
pal::string_t normalized_path(path);
if (LongFile::ShouldNormalize(normalized_path))
{
if (!pal::realpath(&normalized_path))
{
return;
}
}
pal::string_t search_string(normalized_path);
append_path(&search_string, pattern.c_str());
WIN32_FIND_DATAW data = { 0 };
auto handle = ::FindFirstFileExW(search_string.c_str(), FindExInfoStandard, &data, FindExSearchNameMatch, NULL, 0);
if (handle == INVALID_HANDLE_VALUE)
{
return;
}
do
{
if (!onlydirectories || (data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
pal::string_t filepath(data.cFileName);
if (filepath != _X(".") && filepath != _X(".."))
{
files.push_back(filepath);
}
}
} while (::FindNextFileW(handle, &data));
::FindClose(handle);
}
bool report_missing_assembly_in_manifest(const deps_entry_t& entry, bool continueResolving = false)
{
bool showManifestListMessage = !entry.runtime_store_manifest_list.empty();
if (entry.asset_type == deps_entry_t::asset_types::resources)
{
// Treat missing resource assemblies as informational.
continueResolving = true;
trace::info(MissingAssemblyMessage.c_str(), _X("Info"),
entry.deps_file.c_str(), entry.library_name.c_str(), entry.library_version.c_str(), entry.asset.relative_path.c_str());
if (showManifestListMessage)
{
trace::info(ManifestListMessage.c_str(), entry.runtime_store_manifest_list.c_str());
}
}
else if (continueResolving)
{
trace::warning(MissingAssemblyMessage.c_str(), _X("Warning"),
entry.deps_file.c_str(), entry.library_name.c_str(), entry.library_version.c_str(), entry.asset.relative_path.c_str());
if (showManifestListMessage)
{
trace::warning(ManifestListMessage.c_str(), entry.runtime_store_manifest_list.c_str());
}
}
else
{
trace::error(MissingAssemblyMessage.c_str(), _X("Error"),
entry.deps_file.c_str(), entry.library_name.c_str(), entry.library_version.c_str(), entry.asset.relative_path.c_str());
if (showManifestListMessage)
{
trace::error(ManifestListMessage.c_str(), entry.runtime_store_manifest_list.c_str());
}
}
return continueResolving;
}
bool deps_resolver_t::try_roll_forward(const deps_entry_t& entry,
const pal::string_t& probe_dir,
bool patch_roll_fwd,
bool prerelease_roll_fwd,
pal::string_t* candidate)
{
trace::verbose(_X("Attempting a roll forward for [%s/%s/%s] in [%s]"), entry.library_name.c_str(), entry.library_version.c_str(), entry.relative_path.c_str(), probe_dir.c_str());
const pal::string_t& lib_ver = entry.library_version;
fx_ver_t cur_ver(-1, -1, -1);
if (!fx_ver_t::parse(lib_ver, &cur_ver, false))
{
trace::verbose(_X("No roll forward as specified version [%s] could not be parsed"), lib_ver.c_str());
return false;
}
pal::string_t path = probe_dir;
append_path(&path, entry.library_name.c_str());
pal::string_t max_str = lib_ver;
if (cur_ver.is_prerelease() && prerelease_roll_fwd)
{
pal::string_t maj_min_pat_star = cur_ver.prerelease_glob();
pal::string_t cache_key = path;
append_path(&cache_key, maj_min_pat_star.c_str());
if (m_prerelease_roll_forward_cache.count(cache_key))
{
max_str = m_prerelease_roll_forward_cache[cache_key];
trace::verbose(_X("Found cached roll forward version [%s] -> [%s]"), lib_ver.c_str(), max_str.c_str());
}
else
{
try_prerelease_roll_forward_in_dir(path, cur_ver, &max_str);
m_prerelease_roll_forward_cache[cache_key] = max_str;
}
}
if (!cur_ver.is_prerelease() && patch_roll_fwd)
{
// Extract glob string of the form: 1.0.* from the version 1.0.0-prerelease-00001.
pal::string_t maj_min_star = cur_ver.patch_glob();
pal::string_t cache_key = path;
append_path(&cache_key, maj_min_star.c_str());
if (m_patch_roll_forward_cache.count(cache_key))
{
max_str = m_patch_roll_forward_cache[cache_key];
trace::verbose(_X("Found cached roll forward version [%s] -> [%s]"), lib_ver.c_str(), max_str.c_str());
}
else
{
try_patch_roll_forward_in_dir(path, cur_ver, &max_str);
m_patch_roll_forward_cache[cache_key] = max_str;
}
}
append_path(&path, max_str.c_str());
return entry.to_rel_path(path, candidate);
}
int execute_app(
const pal::string_t& impl_dll_dir,
corehost_init_t* init,
const int argc,
const pal::char_t* argv[])
{
pal::dll_t corehost;
corehost_main_fn host_main = nullptr;
corehost_load_fn host_load = nullptr;
corehost_unload_fn host_unload = nullptr;
int code = load_host_library(impl_dll_dir, &corehost, &host_load, &host_main, &host_unload);
if (code != StatusCode::Success)
{
trace::error(_X("An error occurred while loading required library %s from [%s]"), LIBHOSTPOLICY_NAME, impl_dll_dir.c_str());
return code;
}
// Previous hostfxr trace messages must be printed before calling trace::setup in hostpolicy
trace::flush();
const host_interface_t& intf = init->get_host_init_data();
if ((code = host_load(&intf)) == 0)
{
code = host_main(argc, argv);
(void)host_unload();
}
pal::unload_library(corehost);
return code;
}