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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2025 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cppcheck.h"
#include "errorlogger.h"
#include "errortypes.h"
#include "filesettings.h"
#include "settings.h"
#include "suppressions.h"
#include "version.h"
#include <algorithm>
#include <ctime>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <string>
enum class Color : std::uint8_t;
static void unencode(const char *src, char *dest)
{
for (; *src; src++, dest++) {
if (*src == '+')
*dest = ' ';
else if (*src == '%') {
unsigned int code;
if (std::sscanf(src+1, "%2x", &code) != 1)
code = '?';
*dest = code;
src += 2;
} else
*dest = *src;
}
*dest = '\0';
}
static FILE *logfile = nullptr;
class CppcheckExecutor : public ErrorLogger {
private:
const std::time_t stoptime;
Suppressions supprs;
CppCheck cppcheck;
public:
CppcheckExecutor(const Settings& settings)
: stoptime(std::time(nullptr)+2U)
, cppcheck(settings, supprs, *this, false, nullptr)
{}
void run(const char code[]) {
cppcheck.check(FileWithDetails("test.cpp"), code);
}
void reportOut(const std::string & /*outmsg*/, Color /*c*/) override {}
void reportErr(const ErrorMessage &msg) override {
const std::string s = msg.toString(true);
std::cout << s << std::endl;
if (logfile != nullptr)
std::fprintf(logfile, "%s\n", s.c_str());
}
void reportProgress(const std::string& /*filename*/,
const char /*stage*/[],
const std::size_t /*value*/) override {
if (std::time(nullptr) >= stoptime) {
std::cout << "Time to analyse the code exceeded 2 seconds. Terminating.\n\n";
Settings::terminate();
}
}
};
int main()
{
std::cout << "Content-type: text/html\r\n\r\n"
<< "<!DOCTYPE html>\n";
char data[4096] = {0};
const char *query_string = std::getenv("QUERY_STRING");
if (query_string)
std::strncpy(data, query_string, sizeof(data)-2);
const char *lenstr = std::getenv("CONTENT_LENGTH");
if (lenstr) {
int len = std::min(1 + std::atoi(lenstr), (int)(sizeof(data) - 2));
std::fgets(data, len, stdin);
}
if (data[4000] != '\0') {
std::cout << "<html><body>For performance reasons the code must be shorter than 1000 chars.</body></html>";
return EXIT_SUCCESS;
}
const char *pdata = data;
if (std::strncmp(pdata, "code=", 5)==0)
pdata += 5;
char code[4096] = {0};
unencode(pdata, code);
logfile = std::fopen("democlient.log", "at");
if (logfile != nullptr)
std::fprintf(logfile, "===========================================================\n%s\n", code);
std::cout << "<html><body>Cppcheck " CPPCHECK_VERSION_STRING "<pre>";
Settings s;
s.addEnabled("all");
s.certainty.enable(Certainty::inconclusive);
CppcheckExecutor cppcheckExecutor(s);
cppcheckExecutor.run(code);
std::fclose(logfile);
std::cout << "</pre>Done!</body></html>";
return EXIT_SUCCESS;
}
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