From 6f5db32d147166ab1617c66844e3297eededc704 Mon Sep 17 00:00:00 2001
From: Gabriele Contini <gcontini@users.noreply.github.com>
Date: 摹曛, 19 9月 2019 20:20:18 +0800
Subject: [PATCH] Feature/mingw cross compile (#51)

---
 src/library/LicenseReader.cpp |  109 ++++++++++++++++++++++++++++++------------------------
 1 files changed, 60 insertions(+), 49 deletions(-)

diff --git a/src/library/LicenseReader.cpp b/src/library/LicenseReader.cpp
index ab50379..9927426 100644
--- a/src/library/LicenseReader.cpp
+++ b/src/library/LicenseReader.cpp
@@ -18,13 +18,13 @@
 #include <fstream>
 #include <sstream>
 #include <stdlib.h>
+#include <math.h>
 #include "pc-identifiers.h"
 #include "LicenseReader.h"
 #include "base/StringUtils.h"
+#include "base/logger.h"
 #include "public-key.h"
 #include <build_properties.h>
-
-#include "os/os-cpp.h"
 
 namespace license {
 
@@ -51,15 +51,16 @@
 EventRegistry FullLicenseInfo::validate(int sw_version) {
 	EventRegistry er;
 	os_initialize();
-	bool sigVerified = OsFunctions::verifySignature(printForSign().c_str(),
+	const FUNCTION_RETURN sigVer = verifySignature(printForSign().c_str(),
 			license_signature.c_str());
+	const bool sigVerified = sigVer == FUNC_RET_OK;
 	if (sigVerified) {
 		er.addEvent(LICENSE_VERIFIED, SVRT_INFO);
 	} else {
 		er.addEvent(LICENSE_CORRUPTED, SVRT_ERROR);
 	}
 	if (has_expiry) {
-		time_t now = time(NULL);
+		const time_t now = time(nullptr);
 		if (expires_on() < now) {
 			er.addEvent(PRODUCT_EXPIRED, SVRT_ERROR, "");
 		}
@@ -69,8 +70,8 @@
 	}
 	if (has_client_sig) {
 		PcSignature str_code;
-		strncpy(str_code, client_signature.c_str(), sizeof(str_code));
-		EVENT_TYPE event = validate_pc_signature(str_code);
+		strncpy(str_code, client_signature.c_str(), sizeof(str_code)-1);
+		const EVENT_TYPE event = validate_pc_signature(str_code);
 		if (event != LICENSE_OK) {
 			er.addEvent(event, SVRT_ERROR);
 		}
@@ -79,7 +80,7 @@
 }
 
 void FullLicenseInfo::toLicenseInfo(LicenseInfo* license) const {
-	if (license != NULL) {
+	if (license != nullptr) {
 		strncpy(license->proprietary_data, extra_data.c_str(),
 		PROPRIETARY_DATA_SIZE);
 
@@ -90,9 +91,10 @@
 			license->days_left = 999999;
 		} else {
 			strncpy(license->expiry_date, to_date.c_str(), 11);
-			double secs = difftime(time(NULL),
-					seconds_from_epoch(to_date.c_str()));
-			license->days_left = (int) secs / 60 * 60 * 24;
+			const double secs = difftime(
+				seconds_from_epoch(to_date.c_str()),
+				time(nullptr));
+			license->days_left = round(secs / (60 * 60 * 24));
 		}
 	}
 }
@@ -114,7 +116,7 @@
 	CSimpleIniA ini;
 	for (auto it = diskFiles.begin(); it != diskFiles.end(); it++) {
 		ini.Reset();
-		SI_Error rc = ini.LoadFile((*it).c_str());
+		const SI_Error rc = ini.LoadFile((*it).c_str());
 		if (rc < 0) {
 			result.addEvent(FILE_FORMAT_NOT_RECOGNIZED, SVRT_WARN, *it);
 			continue;
@@ -122,7 +124,7 @@
 			loadAtLeastOneFile = true;
 		}
 		const char* productNamePtr = product.c_str();
-		int sectionSize = ini.GetSectionSize(productNamePtr);
+		const int sectionSize = ini.GetSectionSize(productNamePtr);
 		if (sectionSize <= 0) {
 			result.addEvent(PRODUCT_NOT_LICENSED, SVRT_WARN, *it);
 			continue;
@@ -139,28 +141,31 @@
 		 *  application_data = xxxxxxxxx (optional string 16)
 		 */
 		const char * license_signature = ini.GetValue(productNamePtr,
-				"license_signature", NULL);
+				"license_signature", nullptr);
 		long license_version = ini.GetLongValue(productNamePtr,
 				"license_version", -1);
-		if (license_signature != NULL && license_version > 0) {
-			string from_date = trim_copy(
+		if (license_signature != nullptr && license_version > 0) {
+			const string from_date = trim_copy(
 					ini.GetValue(productNamePtr, "from_date",
 							FullLicenseInfo::UNUSED_TIME));
-			string to_date = trim_copy(
+			const string to_date = trim_copy(
 					ini.GetValue(productNamePtr, "to_date",
 							FullLicenseInfo::UNUSED_TIME));
 			string client_signature = trim_copy(
 					ini.GetValue(productNamePtr, "client_signature", ""));
 			/*client_signature.erase(
-					std::remove(client_signature.begin(), client_signature.end(), '-'),
-					client_signature.end());*/
-			int from_sw_version = ini.GetLongValue(productNamePtr,
-					"from_sw_version", FullLicenseInfo::UNUSED_SOFTWARE_VERSION);
-			int to_sw_version = ini.GetLongValue(productNamePtr,
+			 std::remove(client_signature.begin(), client_signature.end(), '-'),
+			 client_signature.end());*/
+			const int from_sw_version = ini.GetLongValue(productNamePtr,
+					"from_sw_version",
+					FullLicenseInfo::UNUSED_SOFTWARE_VERSION);
+			const int to_sw_version = ini.GetLongValue(productNamePtr,
 					"to_sw_version", FullLicenseInfo::UNUSED_SOFTWARE_VERSION);
+			string extra_data = trim_copy(
+					ini.GetValue(productNamePtr, "extra_data", ""));
 			FullLicenseInfo licInfo(*it, product, license_signature,
-					(int) license_version, from_date, to_date,
-					client_signature,from_sw_version,to_sw_version);
+					(int) license_version, from_date, to_date, client_signature,
+					from_sw_version, to_sw_version, extra_data);
 			licenseInfoOut.push_back(licInfo);
 			atLeastOneLicenseComplete = true;
 		} else {
@@ -183,11 +188,11 @@
 		EventRegistry& eventRegistry) {
 //bool hasFileLocation = false;
 	bool licenseFoundWithExplicitLocation = false;
-	if (licenseLocation.licenseFileLocation != NULL
+	if (licenseLocation.licenseFileLocation != nullptr
 			&& licenseLocation.licenseFileLocation[0] != '\0') {
 		//hasFileLocation = true;
-		string varName(licenseLocation.licenseFileLocation);
-		vector<string> declared_positions = splitLicensePositions(varName);
+		const string varName(licenseLocation.licenseFileLocation);
+		const vector<string> declared_positions = splitLicensePositions(varName);
 		vector<string> existing_pos = filterExistingFiles(declared_positions);
 		if (existing_pos.size() > 0) {
 			if (existing_pos.size() > 0) {
@@ -199,8 +204,7 @@
 				}
 			}
 		} else {
-			eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND, SVRT_WARN,
-					varName);
+			eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND, SVRT_WARN, varName);
 		}
 	}
 	return licenseFoundWithExplicitLocation;
@@ -209,14 +213,14 @@
 bool LicenseReader::findFileWithEnvironmentVariable(vector<string>& diskFiles,
 		EventRegistry& eventRegistry) {
 	bool licenseFileFoundWithEnvVariable = false;
-	if (licenseLocation.environmentVariableName != NULL
+	if (licenseLocation.environmentVariableName != nullptr
 			&& licenseLocation.environmentVariableName[0] != '\0') {
-		string varName(licenseLocation.environmentVariableName);
+		const string varName(licenseLocation.environmentVariableName);
 		if (varName.length() > 0) {
 			//var name is passed in by the calling application.
 			char* env_var_value = getenv(varName.c_str());
-			if (env_var_value != NULL && env_var_value[0] != '\0') {
-				vector<string> declared_positions = splitLicensePositions(
+			if (env_var_value != nullptr && env_var_value[0] != '\0') {
+				const vector<string> declared_positions = splitLicensePositions(
 						string(env_var_value));
 				vector<string> existing_pos = filterExistingFiles(
 						declared_positions);
@@ -225,19 +229,19 @@
 					for (auto it = existing_pos.begin();
 							it != existing_pos.end(); ++it) {
 						diskFiles.push_back(*it);
-						eventRegistry.addEvent(LICENSE_FILE_FOUND, SVRT_INFO, *it);
+						eventRegistry.addEvent(LICENSE_FILE_FOUND, SVRT_INFO,
+								*it);
 					}
 				} else {
-					eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND,
-							SVRT_WARN, env_var_value);
+					eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND, SVRT_WARN,
+							env_var_value);
 				}
 			} else {
 				eventRegistry.addEvent(ENVIRONMENT_VARIABLE_NOT_DEFINED,
 						SVRT_WARN);
 			}
 		} else {
-			eventRegistry.addEvent(ENVIRONMENT_VARIABLE_NOT_DEFINED,
-					SVRT_WARN);
+			eventRegistry.addEvent(ENVIRONMENT_VARIABLE_NOT_DEFINED, SVRT_WARN);
 		}
 	}
 	return licenseFileFoundWithEnvVariable;
@@ -245,23 +249,30 @@
 
 EventRegistry LicenseReader::getLicenseDiskFiles(vector<string>& diskFiles) {
 	EventRegistry eventRegistry;
-	bool licenseFoundWithExplicitLocation = findLicenseWithExplicitLocation(
+	const bool licenseFoundWithExplicitLocation = findLicenseWithExplicitLocation(
 			diskFiles, eventRegistry);
 	bool foundNearModule = false;
 	if (licenseLocation.openFileNearModule) {
-		string temptativeLicense = OsFunctions::getModuleName() + ".lic";
-		ifstream f(temptativeLicense.c_str());
-		if (f.good()) {
-			foundNearModule = true;
-			diskFiles.push_back(temptativeLicense);
-			eventRegistry.addEvent(LICENSE_FILE_FOUND, SVRT_INFO, temptativeLicense);
+		char fname[MAX_PATH] = { 0 };
+		const FUNCTION_RETURN fret = getModuleName(fname);
+		if (fret == FUNC_RET_OK) {
+			const string temptativeLicense = string(fname) + ".lic";
+			ifstream f(temptativeLicense.c_str());
+			if (f.good()) {
+				foundNearModule = true;
+				diskFiles.push_back(temptativeLicense);
+				eventRegistry.addEvent(LICENSE_FILE_FOUND, SVRT_INFO,
+						temptativeLicense);
+			} else {
+				eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND, SVRT_WARN,
+						temptativeLicense);
+			}
+			f.close();
 		} else {
-			eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND, SVRT_WARN,
-					temptativeLicense);
+			LOG_WARN("Error determining module name.");
 		}
-		f.close();
 	}
-	bool licenseFileFoundWithEnvVariable = findFileWithEnvironmentVariable(
+	const bool licenseFileFoundWithEnvVariable = findFileWithEnvironmentVariable(
 			diskFiles, eventRegistry);
 
 	if (!foundNearModule && !licenseFoundWithExplicitLocation
@@ -328,7 +339,7 @@
 void FullLicenseInfo::printAsIni(ostream & a_ostream) const {
 	CSimpleIniA ini;
 	string result;
-	string product = toupper_copy(trim_copy(this->product));
+	const string product = toupper_copy(trim_copy(this->product));
 	CSimpleIniA::StreamWriter sw(a_ostream);
 	ini.SetLongValue(product.c_str(), "license_version",
 	PROJECT_INT_VERSION);

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