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struggling a little with API exposure between modules and C++ types, needs a complete overhaul for checksums -- snapshot commit -- not functional

master
Chris Punches 2025-03-31 02:03:18 -04:00
parent 045294aeb6
commit 81645c6d09
11 changed files with 573 additions and 223 deletions
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54
dpmdk/include/CommonModuleAPI.hpp
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@ -33,6 +33,7 @@
#include <string>
#include <sys/stat.h>
#include <dlfcn.h>
#include "ModuleOperations.hpp"
/**
* @brief Fatal log level constant
@ -163,59 +164,6 @@ extern "C" {
* @return The module path
*/
const char* dpm_get_module_path(void);
/**
* @brief Checks if a module exists
*
* Verifies if a module exists at the configured module path.
*
* @param module_name Name of the module to check
* @return true if the module exists, false otherwise
*/
bool dpm_module_exists(const char* module_name);
/**
* @brief Loads a DPM module
*
* Attempts to load a module from the configured module path.
*
* @param module_name Name of the module to load
* @param module_handle Pointer to store the loaded module handle
* @return 0 on success, non-zero on failure
*/
int dpm_load_module(const char* module_name, void** module_handle);
/**
* @brief Checks if a symbol exists in a module
*
* Verifies if a specific symbol exists in a loaded module.
*
* @param module_handle Handle to a loaded module
* @param symbol_name Name of the symbol to check
* @return true if the symbol exists, false otherwise
*/
bool dpm_symbol_exists(void* module_handle, const char* symbol_name);
/**
* @brief Executes a symbol in a module
*
* Attempts to execute a function in a loaded module.
*
* @param module_handle Handle to a loaded module
* @param symbol_name Name of the symbol to execute
* @param args Arguments to pass to the function
* @return 0 on success, non-zero on failure
*/
int dpm_execute_symbol(void* module_handle, const char* symbol_name, void* args);
/**
* @brief Unloads a module
*
* Frees resources used by a loaded module.
*
* @param module_handle Handle to a loaded module
*/
void dpm_unload_module(void* module_handle);
}
/**

88
dpmdk/include/ModuleOperations.hpp Normal file
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@ -0,0 +1,88 @@
/**
* @file ModuleOperations.hpp
* @brief C++ interface for module operations with direct passthrough
*
* @copyright Copyright (c) 2025 SILO GROUP LLC
* @author Chris Punches <chris.punches@silogroup.org>
*
* Part of the Dark Horse Linux Package Manager (DPM)
*/
#pragma once
#include <string>
#include <filesystem>
#include <dlfcn.h>
#include <sys/stat.h>
#include <dpmdk/include/CommonModuleAPI.hpp>
/**
* @brief Checks if a module exists
*
* Verifies if a module exists at the configured module path.
*
* @param module_name Name of the module to check
* @return true if the module exists, false otherwise
*/
bool dpm_module_exists(const char* module_name);
/**
* @brief Loads a DPM module
*
* Attempts to load a module from the configured module path.
*
* @param module_name Name of the module to load
* @param module_handle Pointer to store the loaded module handle
* @return 0 on success, non-zero on failure
*/
int dpm_load_module(const char* module_name, void** module_handle);
/**
* @brief Checks if a symbol exists in a module
*
* Verifies if a specific symbol exists in a loaded module.
*
* @param module_handle Handle to a loaded module
* @param symbol_name Name of the symbol to check
* @return true if the symbol exists, false otherwise
*/
bool dpm_symbol_exists(void* module_handle, const char* symbol_name);
/**
* @brief Executes a symbol in a module with direct argument passthrough
*
* Template function that directly passes any number of arguments to the target function.
*
* @tparam Args Variable argument types to pass to the function
* @param module_handle Handle to a loaded module
* @param symbol_name Name of the symbol to execute
* @param args Arguments to pass to the function
* @return Return value from the executed function
*/
template<typename... Args>
int dpm_execute_symbol(void* module_handle, const char* symbol_name, Args&&... args) {
if (!module_handle || !symbol_name) return 1;
// Clear any previous error
dlerror();
// Look up the symbol with the correct function signature
typedef int (*FunctionPtr)(Args...);
FunctionPtr func = reinterpret_cast<FunctionPtr>(dlsym(module_handle, symbol_name));
// Check for errors
const char* error = dlerror();
if (error || !func) return 1;
// Call the function with the provided arguments - direct passthrough
return func(std::forward<Args>(args)...);
}
/**
* @brief Unloads a module
*
* Frees resources used by a loaded module.
*
* @param module_handle Handle to a loaded module
*/
void dpm_unload_module(void* module_handle);

92
dpmdk/include/StandaloneModuleImpl.hpp
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@ -99,98 +99,6 @@ inline const char* dpm_get_module_path(void) {
return env_path ? env_path : "/usr/lib/dpm/modules/";
}
/**
* @brief Standalone implementation of dpm_module_exists
*/
inline bool dpm_module_exists(const char* module_name) {
if (!module_name) return false;
// Get the module path
const char* module_path = dpm_get_module_path();
if (!module_path) return false;
// Build path to the module
std::string module_file = std::string(module_path) + "/" + module_name + ".so";
// Check if file exists
struct stat buffer;
return (stat(module_file.c_str(), &buffer) == 0);
}
/**
* @brief Standalone implementation of dpm_load_module
*/
inline int dpm_load_module(const char* module_name, void** module_handle) {
if (!module_name || !module_handle) return 1;
// Get the module path
const char* module_path = dpm_get_module_path();
if (!module_path) return 1;
// Build path to the module
std::string module_file = std::string(module_path) + "/" + module_name + ".so";
// Check if the file exists
if (!dpm_module_exists(module_name)) return 1;
// Load the module
*module_handle = dlopen(module_file.c_str(), RTLD_LAZY);
if (!*module_handle) return 1;
return 0;
}
/**
* @brief Standalone implementation of dpm_symbol_exists
*/
inline bool dpm_symbol_exists(void* module_handle, const char* symbol_name) {
if (!module_handle || !symbol_name) return false;
// Clear any error
dlerror();
// Look up the symbol
void* symbol = dlsym(module_handle, symbol_name);
// Check for errors
const char* error = dlerror();
if (error) return false;
return (symbol != NULL);
}
/**
* @brief Standalone implementation of dpm_execute_symbol
*/
inline int dpm_execute_symbol(void* module_handle, const char* symbol_name, void* args) {
if (!module_handle || !symbol_name) return 1;
// Clear any error
dlerror();
// Look up the symbol
void* symbol = dlsym(module_handle, symbol_name);
// Check for errors
const char* error = dlerror();
if (error || !symbol) return 1;
// Cast to function pointer and call
typedef int (*FunctionPtr)(void*);
FunctionPtr func = (FunctionPtr)symbol;
return func(args);
}
/**
* @brief Standalone implementation of dpm_unload_module
*/
inline void dpm_unload_module(void* module_handle) {
if (module_handle) {
dlclose(module_handle);
}
}
/**
* @brief Standalone module main function
*

76
dpmdk/src/CommonModuleAPI.cpp
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@ -31,81 +31,5 @@
// Only define these functions when not in standalone mode
#ifndef BUILD_STANDALONE
extern "C" bool dpm_module_exists(const char* module_name) {
if (!module_name) return false;
// Get the module path
const char* module_path = dpm_get_module_path();
if (!module_path) return false;
// Build path to the module
std::string module_file = std::string(module_path) + "/" + module_name + ".so";
// Check if file exists
struct stat buffer;
return (stat(module_file.c_str(), &buffer) == 0);
}
extern "C" int dpm_load_module(const char* module_name, void** module_handle) {
if (!module_name || !module_handle) return 1;
// Get the module path
const char* module_path = dpm_get_module_path();
if (!module_path) return 1;
// Build path to the module
std::string module_file = std::string(module_path) + "/" + module_name + ".so";
// Check if the file exists
if (!dpm_module_exists(module_name)) return 1;
// Load the module
*module_handle = dlopen(module_file.c_str(), RTLD_LAZY);
if (!*module_handle) return 1;
return 0;
}
extern "C" bool dpm_symbol_exists(void* module_handle, const char* symbol_name) {
if (!module_handle || !symbol_name) return false;
// Clear any error
dlerror();
// Look up the symbol
void* symbol = dlsym(module_handle, symbol_name);
// Check for errors
const char* error = dlerror();
if (error) return false;
return (symbol != NULL);
}
extern "C" int dpm_execute_symbol(void* module_handle, const char* symbol_name, void* args) {
if (!module_handle || !symbol_name) return 1;
// Clear any error
dlerror();
// Look up the symbol
void* symbol = dlsym(module_handle, symbol_name);
// Check for errors
const char* error = dlerror();
if (error || !symbol) return 1;
// Cast to function pointer and call
typedef int (*FunctionPtr)(void*);
FunctionPtr func = (FunctionPtr)symbol;
return func(args);
}
extern "C" void dpm_unload_module(void* module_handle) {
if (module_handle) {
dlclose(module_handle);
}
}
#endif // BUILD_STANDALONE

69
dpmdk/src/ModuleOperations.cpp Normal file
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@ -0,0 +1,69 @@
/**
* @file ModuleOperations.cpp
* @brief Implementation of C++ interface for module operations
*
* @copyright Copyright (c) 2025 SILO GROUP LLC
* @author Chris Punches <chris.punches@silogroup.org>
*
* Part of the Dark Horse Linux Package Manager (DPM)
*/
#include "ModuleOperations.hpp"
bool dpm_module_exists(const char* module_name) {
if (!module_name) return false;
// Get the module path
const char* module_path = dpm_get_module_path();
if (!module_path) return false;
// Build path to the module
std::string module_file = std::string(module_path) + "/" + module_name + ".so";
// Check if file exists
struct stat buffer;
return (stat(module_file.c_str(), &buffer) == 0);
}
int dpm_load_module(const char* module_name, void** module_handle) {
if (!module_name || !module_handle) return 1;
// Get the module path
const char* module_path = dpm_get_module_path();
if (!module_path) return 1;
// Build path to the module
std::string module_file = std::string(module_path) + "/" + module_name + ".so";
// Check if the file exists
if (!dpm_module_exists(module_name)) return 1;
// Load the module
*module_handle = dlopen(module_file.c_str(), RTLD_LAZY);
if (!*module_handle) return 1;
return 0;
}
bool dpm_symbol_exists(void* module_handle, const char* symbol_name) {
if (!module_handle || !symbol_name) return false;
// Clear any error
dlerror();
// Look up the symbol
void* symbol = dlsym(module_handle, symbol_name);
// Check for errors
const char* error = dlerror();
if (error) return false;
return (symbol != nullptr);
}
void dpm_unload_module(void* module_handle) {
if (module_handle) {
dlclose(module_handle);
}
}

2
modules/build/src/sealing.cpp
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@ -1,5 +1,7 @@
#include "sealing.hpp"
// TODO finalize's seal currently assumes unsealed components which is not necessarily the case.
// it should unseal if sealed and seal whole so that the metadata refresh is always accurate
bool file_already_compressed(const std::string& path)
{

4
modules/verify/CMakeLists.txt
View File

@ -17,6 +17,8 @@ add_library(verify MODULE
${DPM_ROOT_DIR}/dpmdk/src/CommonModuleAPI.cpp
src/cli_parsers.cpp
src/verification.cpp
src/checksum.cpp
../../dpmdk/src/ModuleOperations.cpp
)
# Set output properties
@ -43,6 +45,8 @@ add_executable(verify_standalone
${DPM_ROOT_DIR}/dpmdk/src/CommonModuleAPI.cpp
src/cli_parsers.cpp
src/verification.cpp
src/checksum.cpp
../../dpmdk/src/ModuleOperations.cpp
)
# Define the BUILD_STANDALONE macro for the standalone build

51
modules/verify/include/checksum.hpp Normal file
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@ -0,0 +1,51 @@
/**
* @file checksum.hpp
* @brief Header file for package checksum verification functions
*
* Defines functions for verifying checksums of DPM package components.
*
* @copyright Copyright (c) 2025 SILO GROUP LLC
* @author Chris Punches <chris.punches@silogroup.org>
*
* Part of the Dark Horse Linux Package Manager (DPM)
*/
#pragma once
#include <string>
#include <filesystem>
#include <dpmdk/include/CommonModuleAPI.hpp>
#include "checksum.hpp"
/**
* @brief Verify the CONTENTS_MANIFEST_DIGEST file
*
* Compares checksums in manifest with actual file checksums
*
* @param stage_dir Path to the stage directory
* @param build_module Handle to the loaded build module
* @return 0 on success, non-zero on failure
*/
int checksum_verify_contents_digest(const std::string& stage_dir, void* build_module);
/**
* @brief Verify the HOOKS_DIGEST file
*
* Compares checksums in hooks digest with actual file checksums
*
* @param stage_dir Path to the stage directory
* @param build_module Handle to the loaded build module
* @return 0 on success, non-zero on failure
*/
int checksum_verify_hooks_digest(const std::string& stage_dir, void* build_module);
/**
* @brief Verify the PACKAGE_DIGEST file
*
* Calculates the combined checksum of CONTENTS_MANIFEST_DIGEST and HOOKS_DIGEST
* and compares it with the value in PACKAGE_DIGEST
*
* @param stage_dir Path to the stage directory
* @param build_module Handle to the loaded build module
* @return 0 on success, non-zero on failure
*/
int checksum_verify_package_digest(const std::string& stage_dir, void* build_module);

2
modules/verify/include/verification.hpp
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@ -15,6 +15,8 @@
#include <string>
#include <filesystem>
#include <dpmdk/include/CommonModuleAPI.hpp>
#include "commands.hpp"
#include "checksum.hpp"
/**
* @brief Verifies checksums for a package file

300
modules/verify/src/checksum.cpp Normal file
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@ -0,0 +1,300 @@
/**
* @file checksum.cpp
* @brief Implementation of package checksum verification functions
*
* Implements functions for verifying checksums of DPM package components.
*
* @copyright Copyright (c) 2025 SILO GROUP LLC
* @author Chris Punches <chris.punches@silogroup.org>
*
* Part of the Dark Horse Linux Package Manager (DPM)
*/
#include "checksum.hpp"
#include <fstream>
#include <sstream>
#include <dlfcn.h>
int checksum_verify_contents_digest(const std::string& stage_dir, void* build_module) {
dpm_log(LOG_INFO, "Verifying contents manifest digest...");
std::filesystem::path manifest_file = std::filesystem::path(stage_dir) / "metadata" / "CONTENTS_MANIFEST_DIGEST";
if (!std::filesystem::exists(manifest_file)) {
dpm_log(LOG_ERROR, "CONTENTS_MANIFEST_DIGEST file not found");
return 1;
}
// Get the generate_file_checksum function from the build module
typedef std::string (*FileChecksumFunc)(const std::filesystem::path&);
dlerror(); // Clear any previous error
FileChecksumFunc generate_checksum = (FileChecksumFunc)dlsym(build_module, "generate_file_checksum");
const char* dlsym_error = dlerror();
if (dlsym_error) {
dpm_log(LOG_ERROR, ("Failed to find generate_file_checksum function: " +
std::string(dlsym_error)).c_str());
return 1;
}
try {
std::ifstream manifest(manifest_file);
if (!manifest.is_open()) {
dpm_log(LOG_ERROR, ("Failed to open manifest file: " + manifest_file.string()).c_str());
return 1;
}
std::string line;
int line_number = 0;
int errors = 0;
while (std::getline(manifest, line)) {
line_number++;
// Skip empty lines
if (line.empty()) continue;
// Parse the line: control_designation checksum permissions owner:group /path/to/file
std::istringstream iss(line);
char control_designation;
std::string checksum, permissions, ownership, file_path;
if (!(iss >> control_designation >> checksum >> permissions >> ownership)) {
dpm_log(LOG_WARN, ("Malformed manifest line " + std::to_string(line_number) +
": " + line).c_str());
continue;
}
// Get the rest of the line as the file path
std::getline(iss >> std::ws, file_path);
if (file_path.empty()) {
dpm_log(LOG_WARN, ("Missing file path in manifest line " +
std::to_string(line_number)).c_str());
continue;
}
// Remove leading slash if present
if (file_path[0] == '/') {
file_path = file_path.substr(1);
}
// Build the full path to the file in the contents directory
std::filesystem::path full_file_path = std::filesystem::path(stage_dir) / "contents" / file_path;
// Check if the file exists
if (!std::filesystem::exists(full_file_path)) {
dpm_log(LOG_ERROR, ("File not found: " + full_file_path.string()).c_str());
errors++;
continue;
}
// Calculate the checksum of the file and compare with the manifest
std::string calculated_checksum = generate_checksum(full_file_path);
if (calculated_checksum.empty()) {
dpm_log(LOG_ERROR, ("Failed to calculate checksum for: " +
full_file_path.string()).c_str());
errors++;
continue;
}
if (calculated_checksum != checksum) {
dpm_log(LOG_ERROR, ("Checksum mismatch for " + full_file_path.string() +
"\n Expected: " + checksum +
"\n Actual: " + calculated_checksum).c_str());
errors++;
}
}
manifest.close();
if (errors > 0) {
dpm_log(LOG_ERROR, (std::to_string(errors) + " checksum errors found in contents manifest").c_str());
return 1;
}
dpm_log(LOG_INFO, "Contents manifest checksum verification successful");
return 0;
} catch (const std::exception& e) {
dpm_log(LOG_ERROR, ("Error processing contents manifest: " + std::string(e.what())).c_str());
return 1;
}
}
int checksum_verify_hooks_digest(const std::string& stage_dir, void* build_module) {
dpm_log(LOG_INFO, "Verifying hooks digest...");
std::filesystem::path hooks_digest_file = std::filesystem::path(stage_dir) / "metadata" / "HOOKS_DIGEST";
if (!std::filesystem::exists(hooks_digest_file)) {
dpm_log(LOG_ERROR, "HOOKS_DIGEST file not found");
return 1;
}
// Get the generate_file_checksum function from the build module
typedef std::string (*FileChecksumFunc)(const std::filesystem::path&);
dlerror(); // Clear any previous error
FileChecksumFunc generate_checksum = (FileChecksumFunc)dlsym(build_module, "generate_file_checksum");
const char* dlsym_error = dlerror();
if (dlsym_error) {
dpm_log(LOG_ERROR, ("Failed to find generate_file_checksum function: " +
std::string(dlsym_error)).c_str());
return 1;
}
try {
std::ifstream hooks_digest(hooks_digest_file);
if (!hooks_digest.is_open()) {
dpm_log(LOG_ERROR, ("Failed to open hooks digest file: " +
hooks_digest_file.string()).c_str());
return 1;
}
std::string line;
int errors = 0;
while (std::getline(hooks_digest, line)) {
// Skip empty lines
if (line.empty()) continue;
// Parse the line: checksum filename
std::istringstream iss(line);
std::string checksum, filename;
if (!(iss >> checksum >> filename)) {
dpm_log(LOG_WARN, ("Malformed hooks digest line: " + line).c_str());
continue;
}
// Build the full path to the hook file
std::filesystem::path hook_path = std::filesystem::path(stage_dir) / "hooks" / filename;
// Check if the file exists
if (!std::filesystem::exists(hook_path)) {
dpm_log(LOG_ERROR, ("Hook file not found: " + hook_path.string()).c_str());
errors++;
continue;
}
// Calculate the checksum of the hook file
std::string calculated_checksum = generate_checksum(hook_path);
if (calculated_checksum.empty()) {
dpm_log(LOG_ERROR, ("Failed to calculate checksum for: " +
hook_path.string()).c_str());
errors++;
continue;
}
if (calculated_checksum != checksum) {
dpm_log(LOG_ERROR, ("Checksum mismatch for " + hook_path.string() +
"\n Expected: " + checksum +
"\n Actual: " + calculated_checksum).c_str());
errors++;
}
}
hooks_digest.close();
if (errors > 0) {
dpm_log(LOG_ERROR, (std::to_string(errors) + " checksum errors found in hooks digest").c_str());
return 1;
}
dpm_log(LOG_INFO, "Hooks digest checksum verification successful");
return 0;
} catch (const std::exception& e) {
dpm_log(LOG_ERROR, ("Error processing hooks digest: " + std::string(e.what())).c_str());
return 1;
}
}
int checksum_verify_package_digest(const std::string& stage_dir, void* build_module) {
dpm_log(LOG_INFO, "Verifying package digest...");
std::filesystem::path metadata_dir = std::filesystem::path(stage_dir) / "metadata";
std::filesystem::path package_digest_file = metadata_dir / "PACKAGE_DIGEST";
std::filesystem::path manifest_file = metadata_dir / "CONTENTS_MANIFEST_DIGEST";
std::filesystem::path hooks_digest_file = metadata_dir / "HOOKS_DIGEST";
if (!std::filesystem::exists(package_digest_file)) {
dpm_log(LOG_ERROR, "PACKAGE_DIGEST file not found");
return 1;
}
if (!std::filesystem::exists(manifest_file)) {
dpm_log(LOG_ERROR, "CONTENTS_MANIFEST_DIGEST file not found");
return 1;
}
if (!std::filesystem::exists(hooks_digest_file)) {
dpm_log(LOG_ERROR, "HOOKS_DIGEST file not found");
return 1;
}
// Get the checksum functions from the build module
typedef std::string (*FileChecksumFunc)(const std::filesystem::path&);
typedef std::string (*StringChecksumFunc)(const std::string&);
dlerror(); // Clear any previous error
FileChecksumFunc generate_file_checksum = (FileChecksumFunc)dlsym(build_module, "generate_file_checksum");
const char* dlsym_error = dlerror();
if (dlsym_error) {
dpm_log(LOG_ERROR, ("Failed to find generate_file_checksum function: " +
std::string(dlsym_error)).c_str());
return 1;
}
dlerror(); // Clear any previous error
StringChecksumFunc generate_string_checksum = (StringChecksumFunc)dlsym(build_module, "generate_string_checksum");
dlsym_error = dlerror();
if (dlsym_error) {
dpm_log(LOG_ERROR, ("Failed to find generate_string_checksum function: " +
std::string(dlsym_error)).c_str());
return 1;
}
// Read the package digest from the file
std::string package_digest;
try {
std::ifstream digest_file(package_digest_file);
if (!digest_file.is_open()) {
dpm_log(LOG_ERROR, ("Failed to open digest file: " + package_digest_file.string()).c_str());
return 1;
}
std::getline(digest_file, package_digest);
digest_file.close();
} catch (const std::exception& e) {
dpm_log(LOG_ERROR, ("Error reading package digest: " + std::string(e.what())).c_str());
return 1;
}
// Calculate checksums of the digest files
std::string contents_manifest_checksum = generate_file_checksum(manifest_file);
std::string hooks_digest_checksum = generate_file_checksum(hooks_digest_file);
if (contents_manifest_checksum.empty() || hooks_digest_checksum.empty()) {
dpm_log(LOG_ERROR, "Failed to calculate checksums for digest files");
return 1;
}
// Combine checksums and calculate package digest
std::string combined_checksums = contents_manifest_checksum + hooks_digest_checksum;
std::string calculated_package_digest = generate_string_checksum(combined_checksums);
if (calculated_package_digest.empty()) {
dpm_log(LOG_ERROR, "Failed to calculate package digest");
return 1;
}
// Compare with the stored package digest
if (calculated_package_digest != package_digest) {
dpm_log(LOG_ERROR, ("Package digest mismatch\n Expected: " + package_digest +
"\n Actual: " + calculated_package_digest).c_str());
return 1;
}
dpm_log(LOG_INFO, "Package digest verification successful");
return 0;
}

58
modules/verify/src/verification.cpp
View File

@ -40,10 +40,64 @@ int verify_checksums_stage(const std::string& stage_dir) {
return 1;
}
// Placeholder implementation
dpm_log(LOG_INFO, ("Verifying checksums for stage directory: " + stage_dir).c_str());
dpm_log(LOG_INFO, "Stage directory checksum verification not yet implemented");
// First, ensure the components are unsealed (uncompressed)
dpm_log(LOG_INFO, "Ensuring stage components are unsealed...");
// Load the build module to access functions
void* build_module = nullptr;
int result = check_and_load_build_module(build_module);
if (result != 0 || build_module == nullptr) {
dpm_log(LOG_ERROR, "Failed to load build module");
return 1;
}
// Get the unseal_stage_components function
typedef int (*UnsealComponentsFunc)(const std::filesystem::path&);
dlerror(); // Clear any previous error
UnsealComponentsFunc unseal_components = (UnsealComponentsFunc)dlsym(build_module, "unseal_stage_components");
const char* dlsym_error = dlerror();
if (dlsym_error) {
dpm_log(LOG_ERROR, ("Failed to find unseal_stage_components function: " + std::string(dlsym_error)).c_str());
dlclose(build_module);
return 1;
}
// Call the function to unseal the components
result = unseal_components(std::filesystem::path(stage_dir));
if (result != 0) {
dpm_log(LOG_ERROR, "Failed to unseal stage components");
dlclose(build_module);
return 1;
}
// Verify checksums
result = checksum_verify_package_digest(stage_dir, build_module);
if (result != 0) {
dpm_log(LOG_ERROR, "Package digest verification failed");
dlclose(build_module);
return 1;
}
result = checksum_verify_contents_digest(stage_dir, build_module);
if (result != 0) {
dpm_log(LOG_ERROR, "Contents manifest verification failed");
dlclose(build_module);
return 1;
}
result = checksum_verify_hooks_digest(stage_dir, build_module);
if (result != 0) {
dpm_log(LOG_ERROR, "Hooks digest verification failed");
dlclose(build_module);
return 1;
}
// Clean up
dlclose(build_module);
dpm_log(LOG_INFO, "All checksums verified successfully");
return 0;
}