ModSecurity/src/audit_log_writer_parallel.cc
2015-07-22 23:03:09 -03:00

142 lines
3.5 KiB
C++

/*
* ModSecurity, http://www.modsecurity.org/
* Copyright (c) 2015 Trustwave Holdings, Inc. (http://www.trustwave.com/)
*
* You may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* If any of the files related to licensing are missing or if you have any
* other questions related to licensing please contact Trustwave Holdings, Inc.
* directly using the email address security@modsecurity.org.
*
*/
#include "src/audit_log_writer_parallel.h"
#include <time.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <fstream>
#include "src/audit_log.h"
#include "modsecurity/assay.h"
#include "src/utils.h"
#include "utils/md5.h"
namespace ModSecurity {
AuditLogWriterParallel::~AuditLogWriterParallel() {
if (log1.is_open()) {
log1.close();
}
if (log2.is_open()) {
log2.close();
}
}
inline std::string AuditLogWriterParallel::logFilePath(time_t *t,
int part) {
struct tm timeinfo;
char tstr[300];
size_t len;
std::string name("");
localtime_r(t, &timeinfo);
if (part & YearMonthDayDirectory) {
memset(tstr, '\0', 300);
strftime(tstr, 299, "/%Y%m%d", &timeinfo);
name = tstr;
}
if (part & YearMonthDayAndTimeDirectory) {
memset(tstr, '\0', 300);
strftime(tstr, 299, "/%Y%m%d-%H%M", &timeinfo);
name = name + tstr;
}
if (part & YearMonthDayAndTimeFileName) {
memset(tstr, '\0', 300);
strftime(tstr, 299, "/%Y%m%d-%H%M%S", &timeinfo);
name = name + tstr;
}
return name;
}
bool AuditLogWriterParallel::init() {
/** TODO:: Check if the directory exists. */
/** TODO:: Checking if we have permission to write in the target dir */
if (!m_audit->m_path1.empty()) {
log1.open(m_audit->m_path1, std::fstream::out | std::fstream::app);
}
if (!m_audit->m_path2.empty()) {
log2.open(m_audit->m_path2, std::fstream::out | std::fstream::app);
}
return true;
}
bool AuditLogWriterParallel::write(Assay *assay, int parts) {
FILE *fp;
int fd;
std::string log = assay->to_json(parts);
std::string fileName = logFilePath(&assay->timeStamp,
YearMonthDayDirectory | YearMonthDayAndTimeDirectory
| YearMonthDayAndTimeFileName);
std::string logPath = m_audit->m_storage_dir;
fileName = logPath + fileName + "-" + assay->id;
if (logPath.empty()) {
return false;
}
createDir((logPath +
logFilePath(&assay->timeStamp, YearMonthDayDirectory)).c_str(),
m_audit->directoryPermission);
createDir((logPath +
logFilePath(&assay->timeStamp, YearMonthDayDirectory
| YearMonthDayAndTimeDirectory)).c_str(),
m_audit->directoryPermission);
fd = open(fileName.c_str(), O_CREAT | O_WRONLY, m_audit->filePermission);
if (fd < 0) {
return false;
}
fp = fdopen(fd, "w");
fwrite(log.c_str(), log.length(), 1, fp);
fclose(fp);
if (log1.is_open() && log2.is_open()) {
log2 << assay->toOldAuditLogFormatIndex(fileName, log.length(),
md5(log));
}
if (log1.is_open() && !log2.is_open()) {
log1 << assay->toOldAuditLogFormatIndex(fileName, log.length(),
md5(log));
}
if (!log1.is_open() && log2.is_open()) {
log2 << assay->toOldAuditLogFormatIndex(fileName, log.length(),
md5(log));
}
return true;
}
} // namespace ModSecurity