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create fopen_modsec #3582

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4efb67e
create fopen_modsec
kanseiishikawa Jun 20, 2026
3ed9115
fix SonarCloud Code Error
Kansei-Sakura Jun 22, 2026
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8 changes: 3 additions & 5 deletions src/parser/seclang-scanner.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -4953,6 +4953,7 @@ char *yytext;
#include "src/parser/seclang-parser.hh"
#include "src/utils/https_client.h"
#include "src/utils/string.h"
#include "src/utils/system.h"

using modsecurity::Parser::Driver;
using modsecurity::Utils::HttpsClient;
Expand Down Expand Up @@ -8400,8 +8401,7 @@ YY_RULE_SETUP
driver.loc.push_back(new yy::location());
driver.m_filenames.push_back(f);
driver.loc.back()->begin.filename = driver.loc.back()->end.filename = &(driver.m_filenames.back());
yyin = fopen(f.c_str(), "r" );
if (!yyin) {
if (!modsecurity::utils::fopen_modsec(&yyin, f.c_str(), "r") != 0) { // NOSONAR
BEGIN(INITIAL);
driver.loc.pop_back();
driver.error (*driver.loc.back(), "", s + std::string(": Not able to open file. ") + err);
Expand Down Expand Up @@ -8432,9 +8432,7 @@ YY_RULE_SETUP
driver.loc.push_back(new yy::location());
driver.m_filenames.push_back(f);
driver.loc.back()->begin.filename = driver.loc.back()->end.filename = &(driver.m_filenames.back());

yyin = fopen(f.c_str(), "r" );
if (!yyin) {
if (!modsecurity::utils::fopen_modsec(&yyin, f.c_str(), "r") != 0) { // NOSONAR
BEGIN(INITIAL);
driver.loc.pop_back();
driver.error (*driver.loc.back(), "", s + std::string(": Not able to open file. ") + err);
Expand Down
7 changes: 3 additions & 4 deletions src/parser/seclang-scanner.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
#include "src/parser/seclang-parser.hh"
#include "src/utils/https_client.h"
#include "src/utils/string.h"
#include "src/utils/system.h"

using modsecurity::Parser::Driver;
using modsecurity::Utils::HttpsClient;
Expand Down Expand Up @@ -1273,8 +1274,7 @@ EQUALS_MINUS (?i:=\-)
driver.loc.push_back(new yy::location());
driver.m_filenames.push_back(f);
driver.loc.back()->begin.filename = driver.loc.back()->end.filename = &(driver.m_filenames.back());
yyin = fopen(f.c_str(), "r" );
if (!yyin) {
if (!modsecurity::utils::fopen_modsec(&yyin, f.c_str(), "r")) {
BEGIN(INITIAL);
driver.loc.pop_back();
driver.error (*driver.loc.back(), "", s + std::string(": Not able to open file. ") + err);
Expand Down Expand Up @@ -1303,8 +1303,7 @@ EQUALS_MINUS (?i:=\-)
driver.m_filenames.push_back(f);
driver.loc.back()->begin.filename = driver.loc.back()->end.filename = &(driver.m_filenames.back());

yyin = fopen(f.c_str(), "r" );
if (!yyin) {
if (!modsecurity::utils::fopen_modsec(&yyin, f.c_str(), "r") != 0) {
BEGIN(INITIAL);
driver.loc.pop_back();
driver.error (*driver.loc.back(), "", s + std::string(": Not able to open file. ") + err);
Expand Down
5 changes: 3 additions & 2 deletions src/utils/shared_files.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
*/

#include "src/utils/shared_files.h"
#include "src/utils/system.h"

#include <fcntl.h>
#ifdef WIN32
Expand All @@ -27,8 +28,8 @@ namespace utils {

SharedFiles::handlers_map::iterator SharedFiles::add_new_handler(
const std::string &fileName, std::string *error) {
FILE *fp = fopen(fileName.c_str(), "a");
if (fp == 0) {
FILE *fp;
if (!fopen_modsec(&fp, fileName.c_str(), "a")) {
error->assign("Failed to open file: " + fileName);
return m_handlers.end();
}
Expand Down
23 changes: 20 additions & 3 deletions src/utils/system.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
*
*/

#include <bits/types/FILE.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
Expand Down Expand Up @@ -205,8 +206,8 @@ bool createDir(const std::string& dir, int mode, std::string *error) {

bool isFile(const std::string& f) {
struct stat fileInfo;
FILE *fp = fopen(f.c_str(), "r");
if (fp == NULL) {
FILE *fp;
if (!fopen_modsec(&fp, f.c_str(), "r")) {
return false;
}
fstat(fileno(fp), &fileInfo);
Expand All @@ -219,6 +220,22 @@ bool isFile(const std::string& f) {
return true;
}


#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable : 4996)
#endif
bool fopen_modsec(FILE **v_fp, const char *filename, const char *mode) {
if (v_fp == nullptr || filename == nullptr || mode == nullptr) {
return false;
}
*v_fp = fopen(filename, mode);
if (*v_fp == nullptr) {
return false;
}
return true;
}
#if defined(_MSC_VER)
#pragma warning(pop)
#endif
} // namespace utils
} // namespace modsecurity
1 change: 1 addition & 0 deletions src/utils/system.h
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ std::string get_path(const std::string& file);
std::list<std::string> expandEnv(const std::string& var, int flags);
bool createDir(const std::string& dir, int mode, std::string *error);
bool isFile(const std::string& f);
bool fopen_modsec(FILE **v_fp, const char *filename, const char *mode);

} // namespace utils
} // namespace modsecurity
Expand Down