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添加cron定时解析配置，设定时间杀毒

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aixiao 2022-10-25 23:07:47 +08:00
parent 07f551d5e4
commit aa8e5cf41a
27 changed files with 1554 additions and 63 deletions
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20
Makefile
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@ -1,17 +1,17 @@
CROSS_COMPILE ?=
CC := $(CROSS_COMPILE)gcc
CFLAGS += -Os -g -Wall
LIB += -lcurl -lip4tc ./clamscan/clamscan.o ./clamscan/manager.o -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -lclamav ./clamscan/shared/libshared.a -lssl -lcrypto -lz -lpthread
LIB += -lcurl -lip4tc clamscan/clamscan.o clamscan/manager.o -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -lclamav ./clamscan/shared/libshared.a -lssl -lcrypto -lz -lpthread
IPTC_CFLAGS += -DHAVE_CONFIG_H -I./libiptc -D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 -D_REENTRANT
OBG = rhost
CL_CFLAGS += -Wall -Os -DHAVE_CONFIG_H -I./clamscan -I./clamscan/shared -I./clamscan/libclamav -I./clamscan/libclamunrar_iface -I/usr/include/json-c -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector-strong -Wall -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
CLAMSCAN_CFLAGS += -Wall -Os -DHAVE_CONFIG_H -I./clamscan -I./clamscan/shared -I./clamscan/libclamav -I./clamscan/libclamunrar_iface -I/usr/include/json-c -Wdate-time -D_FORTIFY_SOURCE=2 -fstack-protector-strong -Wall -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
SHARED_CFLAGS += -Wall -Os -DHAVE_CONFIG_H -I./clamscan -I./clamscan/shared -I./clamscan/libclamav -I./clamscan/libclamunrar_iface -I/usr/include/json-c -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -Wall -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
CFLAGS += -Os -g -Wall -DCRON_USE_LOCAL_TIME -DCRON_TEST_MALLOC
all: conf.o rhost.o libiptc.o
all: conf.o rhost.o libiptc.o ccronexpr.o
$(CC) $(SHARED_CFLAGS) -c ./clamscan/shared/actions.c -fPIC -DPIC -o ./clamscan/shared/actions.o
$(CC) $(SHARED_CFLAGS) -c ./clamscan/shared/cdiff.c -fPIC -DPIC -o ./clamscan/shared/cdiff.o
@ -26,8 +26,8 @@ all: conf.o rhost.o libiptc.o
$(CC) $(SHARED_CFLAGS) -c ./clamscan/shared/tar.c -fPIC -DPIC -o ./clamscan/shared/tar.o
$(CC) $(SHARED_CFLAGS) -c ./clamscan/shared/linux/cert_util_linux.c -fPIC -DPIC -o ./clamscan/shared/linux/cert_util_linux.o
ar cr ./clamscan/shared/libshared.a ./clamscan/shared/actions.o ./clamscan/shared/cdiff.o ./clamscan/shared/cert_util.o ./clamscan/shared/clamdcom.o ./clamscan/shared/getopt.o ./clamscan/shared/hostid.o ./clamscan/shared/idmef_logging.o ./clamscan/shared/misc.o ./clamscan/shared/optparser.o ./clamscan/shared/output.o ./clamscan/shared/tar.o ./clamscan/shared/linux/cert_util_linux.o
$(CC) $(CL_CFLAGS) -c clamscan/clamscan.c -o clamscan/clamscan.o
$(CC) $(CL_CFLAGS) -c clamscan/manager.c -o clamscan/manager.o
$(CC) $(CLAMSCAN_CFLAGS) -c clamscan/clamscan.c -o clamscan/clamscan.o
$(CC) $(CLAMSCAN_CFLAGS) -c clamscan/manager.c -o clamscan/manager.o
$(CC) $(CFLAGS) $^ -o $(OBG) $(LIB)
chmod +x $(OBG)
@ -40,6 +40,6 @@ static: conf.o rhost.o libiptc.o
clean:
rm -rf *.o
rm libiptc/*.o libiptc/*.a
rm clamscan/shared/*.o clamscan/shared/libshared.a clamscan/*.o
rm $(OBG)
rm -rf libiptc/*.o libiptc/*.a
rm -rf clamscan/shared/*.o clamscan/shared/libshared.a clamscan/*.o
rm -rf $(OBG)

19
README.md
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@ -1,5 +1,5 @@
# denyhosts
ssh防止暴力破解,适用Debian 8、9、11 Centos 7
拒绝主机&杀毒,适用Debian 8、9、11 Centos 7
支持钉钉告警和邮件告警
支持第三方QQ邮箱告警
支持一次运行检测、后台运行检测
@ -30,7 +30,7 @@ crontab 定时任务,像这样.
示列:
./rhost -d -r / --exclude-dir="^/sys|^/dev|^/proc|^/opt/infected|^/root|^/home" --move=/opt/infected --max-filesize 1024M -l #后台运行并扫描病毒
./rhost -d -r / --exclude-dir="^/sys|^/dev|^/proc|^/opt/infected|^/root|^/home" --move=/opt/infected --max-filesize 1024M -l clamscan.log #后台运行并扫描病毒
./rhost # 只处理非法攻击
@ -54,19 +54,20 @@ global {
DAEMON = "off"; // on开启后台运行，off不开启
TIME = "10"; // 睡眠时间
CLAMAV = 1; // clamav 是否扫描病毒
CLAMAV_TIME = "1726"; // clamav 扫描时间（小时分钟，默认每天运行）
PUBLIC_IP = "http://inet-ip.info"; // 获取公网IP
CLAMAV = 1; // clamav 是否扫描病毒(测试阶段)
CLAMAV_TIME = "* 22 21 * * *"; // clamav 扫描时间(Cron格式, 秒 分 时 天 月 周)
IPV4_RESTRICTION = 1; // 是否启用IP白名单
IPV4_WHITE_LIST = "1.1.1.1 "; // IP白名单
IPV4_WHITE_LIST = "1.1.1.1 "; // IP白名单(空格隔开)
REGION = 1; // 是否启用地域白名单
REGION_LIST = "河南 郑州"; // 地域列表
REGION_URL = "http://opendata.baidu.com/api.php?query=%s&co=&resource_id=6006&oe=utf8"; // 获取IP地域
REGION_LIST = "河南 郑州"; // 地域列表(空格隔开)
IS_BLOCKED = 1; // 是否封禁攻击IP
@ -81,7 +82,7 @@ global {
DING_WEBHOOK = "https://oapi.dingtalk.com/robot/send?access_token=7f069c672cb878987aa6772cca336740eece4ce36bde12b51b45e9f440e0565a"; // 钉钉WEBHOOK
IS_QQMAIL = 0; // 开启QQ邮箱告警(默认使用gomail：https://git.aixiao.me/aixiao/gomail.git)
IS_QQMAIL = 1; // 开启QQ邮箱告警(默认使用gomail：https://git.aixiao.me/aixiao/gomail.git)
RECV_MAIL = "1605227279@qq.com"; // 接收者QQ
}

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95
ccronexpr.h Normal file
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@ -0,0 +1,95 @@
/*
* Copyright 2015, alex at staticlibs.net
*
* Licensed under the Apache License, Version 2.0 (the "License");
* 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
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* File: ccronexpr.h
* Author: alex
*
* Created on February 24, 2015, 9:35 AM
*/
#ifndef CCRONEXPR_H
#define CCRONEXPR_H
#if defined(__cplusplus) && !defined(CRON_COMPILE_AS_CXX)
extern "C" {
#endif
#ifndef ANDROID
#include <time.h>
#else /* ANDROID */
#include <time64.h>
#endif /* ANDROID */
#include <stdint.h> /*added for use if uint*_t data types*/
/**
* Parsed cron expression
*/
typedef struct {
uint8_t seconds[8];
uint8_t minutes[8];
uint8_t hours[3];
uint8_t days_of_week[1];
uint8_t days_of_month[4];
uint8_t months[2];
} cron_expr;
/**
* Parses specified cron expression.
*
* @param expression cron expression as nul-terminated string,
* should be no longer that 256 bytes
* @param pointer to cron expression structure, it's client code responsibility
* to free/destroy it afterwards
* @param error output error message, will be set to string literal
* error message in case of error. Will be set to NULL on success.
* The error message should NOT be freed by client.
*/
void cron_parse_expr(const char* expression, cron_expr* target, const char** error);
/**
* Uses the specified expression to calculate the next 'fire' date after
* the specified date. All dates are processed as UTC (GMT) dates
* without timezones information. To use local dates (current system timezone)
* instead of GMT compile with '-DCRON_USE_LOCAL_TIME'
*
* @param expr parsed cron expression to use in next date calculation
* @param date start date to start calculation from
* @return next 'fire' date in case of success, '((time_t) -1)' in case of error.
*/
time_t cron_next(cron_expr* expr, time_t date);
/**
* Uses the specified expression to calculate the previous 'fire' date after
* the specified date. All dates are processed as UTC (GMT) dates
* without timezones information. To use local dates (current system timezone)
* instead of GMT compile with '-DCRON_USE_LOCAL_TIME'
*
* @param expr parsed cron expression to use in previous date calculation
* @param date start date to start calculation from
* @return previous 'fire' date in case of success, '((time_t) -1)' in case of error.
*/
time_t cron_prev(cron_expr* expr, time_t date);
#if defined(__cplusplus) && !defined(CRON_COMPILE_AS_CXX)
} /* extern "C"*/
#endif
#endif /* CCRONEXPR_H */

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17
conf.c
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@ -157,23 +157,27 @@ static void parse_global_module(char *content, conf * conf)
return;
}
// IP白名单
if (strcasecmp(var, "IPV4_RESTRICTION") == 0) {
val_begin_len = val_end - val_begin;
conf->IPV4_RESTRICTION = atoi(val_begin);
}
if (strcasecmp(var, "IPV4_WHITE_LIST") == 0) {
val_begin_len = val_end - val_begin;
if (copy_new_mem(val_begin, val_begin_len, &conf->IPV4_WHITE_LIST) != 0)
return;
}
// 地域白名单
if (strcasecmp(var, "REGION") == 0) {
val_begin_len = val_end - val_begin;
conf->REGION = atoi(val_begin);
}
if (strcasecmp(var, "REGION_URL") == 0) {
val_begin_len = val_end - val_begin;
if (copy_new_mem(val_begin, val_begin_len, &conf->REGION_URL) != 0)
return;
}
if (strcasecmp(var, "REGION_LIST") == 0) {
val_begin_len = val_end - val_begin;
if (copy_new_mem(val_begin, val_begin_len, &conf->REGION_LIST) != 0)
@ -184,7 +188,6 @@ static void parse_global_module(char *content, conf * conf)
val_begin_len = val_end - val_begin;
conf->CLAMAV = atoi(val_begin);
}
if (strcasecmp(var, "CLAMAV_TIME") == 0) {
val_begin_len = val_end - val_begin;
conf->CLAMAV_TIME_LEN = val_begin_len;
@ -272,6 +275,12 @@ void free_conf(conf * conf)
if (conf->REGION_LIST)
free(conf->REGION_LIST);
if (conf->REGION_URL)
free(conf->REGION_URL);
if (conf->CLAMAV_TIME)
free(conf->CLAMAV_TIME);
return;
}

1
conf.h
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@ -26,6 +26,7 @@ typedef struct CONF {
// 地域白名单
int REGION;
char *REGION_URL;
char *REGION_LIST;
// IPV4 白名单

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88
rhost.c
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@ -4,6 +4,8 @@
#include "libclamav.h"
#include "clamscan.h"
#include "ccronexpr.h"
// 存储公网IP
char *public_ip;
@ -373,7 +375,9 @@ int rule(conf * conf)
char URL[BUFFER + 70];
memset(URL, 0, BUFFER + 70);
sprintf(URL, "http://opendata.baidu.com/api.php?query=%s&co=&resource_id=6006&oe=utf8", buffer);
//sprintf(URL, "http://opendata.baidu.com/api.php?query=%s&co=&resource_id=6006&oe=utf8", buffer);
sprintf(URL, conf->REGION_URL, buffer);
printf("%s\n", URL);
location_json = GET_PUBLIC_IP(URL);
if (NULL == location_json) {
@ -490,6 +494,25 @@ int process_argv(int argc, char *argv[], char **argvs)
return 0;
}
int _crontab(struct tm **calnext, char *string)
{
const char *err = NULL;
time_t cur;
time_t datenext;
time(&cur);
cron_expr parsed;
cron_parse_expr(string, &parsed, &err);
datenext = cron_next(&parsed, cur);
*calnext = localtime(&datenext);
assert(*calnext);
return 0;
}
int main(int argc, char *argv[], char **env)
{
signal(SIGCHLD, sig_child); // 创建捕捉子进程退出信号
@ -500,10 +523,6 @@ int main(int argc, char *argv[], char **env)
head_argvs = &(argvs[0]); // head_argvs指向argvs[0]
int head_argc = argc - 1; // 改变argc数
time_t time_ptr;
struct tm *tm_ptr;
char tm_cache[BUFFER];
char path[BUFFER] = { 0 };
char executable_filename[BUFFER] = { 0 };
(void)get_executable_path(path, executable_filename, sizeof(path));
@ -514,11 +533,13 @@ int main(int argc, char *argv[], char **env)
read_conf(path, conf);
//ptintf_conf(conf);
now_next_time *t = (now_next_time *)malloc(sizeof(struct now_next_time));
memset(t, 0, sizeof(struct now_next_time));
// 获取公网IP
public_ip = GET_PUBLIC_IP(conf->PUBLIC_IP);
//printf("%s", public_ip);
time(&time_ptr);
if (0 == strcmp(conf->DAEMON, "on")) {
goto goto_daemon;
@ -534,52 +555,77 @@ goto_daemon:
}
while (1) {
// 获取当前时间
time(&time_ptr);
tm_ptr = localtime(&time_ptr);
memset(tm_cache, 0, BUFFER);
sprintf(tm_cache, "%d%d", tm_ptr->tm_hour, tm_ptr->tm_min);
// Cron
struct tm *calnext; //取得Cron规则时间
calnext = (struct tm *)malloc(sizeof(struct tm));
memset(calnext, 0, sizeof(struct tm));
_crontab(&calnext, conf->CLAMAV_TIME);
t->next_year = 1900 + calnext->tm_year;
t->next_mon = 1 + calnext->tm_mon;
t->next_day = calnext->tm_mday;
t->next_hour = calnext->tm_hour;
t->next_min = calnext->tm_min;
t->next_sec = calnext->tm_sec;
// 取得现在时间
time_t timep;
struct tm *p;
time(&timep);
p = localtime(&timep);
t->now_year = 1900 + p->tm_year;
t->now_mon = 1 + p->tm_mon;
t->now_day = p->tm_mday;
t->now_hour = p->tm_hour;
t->now_min = p->tm_min;
t->now_sec = p->tm_sec;
if (conf->CLAMAV_TIME_LEN >= 4)
{
;
}
// Clamav call
if (conf->CLAMAV == 1)
if (1 == conf->CLAMAV)
{
if (0 == strcmp(tm_cache, conf->CLAMAV_TIME)) {
if ( t->now_year == t->next_year && t->now_mon == t->next_mon && t->now_day == t->next_day && t->now_hour == t->next_hour && t->now_min == t->next_min )
{
//printf("%d%d%d %d:%d:%d\n", t->now_year, t->now_mon, t->now_day, t->now_hour, t->now_min, t->now_sec);
//printf("%d%d%d %d:%d:%d\n", t->next_year, t->next_mon, t->next_day, t->next_hour, t->next_min, t->next_sec);
pid_t pid;
pid = fork();
if (pid < 0) {
printf("fork error.\n");
return -1;
} else if (pid == 0) {
} else if (pid == 0) { // child process
int r = 0;
r = _clamscan(head_argc, head_argvs);
/*
if(t != NULL)
free(t);
*/
_exit(r);
} else {
int status = 0;
wait(&status); //wait the end of child process
if (WIFEXITED(status)) {
;
//printf("子进程返回 %d\n", WEXITSTATUS(status));
//printf("child process return %d\n", WEXITSTATUS(status));
}
//printf("这是父进程.\n");
sleep(60); // 跳过这一分钟
}
}
}
rule(conf);
sleep(conf->TIME);
}
} else {
rule(conf);
//_clamscan(argc, argv);
}
free(t);
free_conf(conf);
free(conf);
free(public_ip);

37
rhost.conf
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@ -1,34 +1,35 @@
global {
DAEMON = "off"; // on开启后台运行，off不开启
TIME = "10"; // 睡眠时间
CLAMAV = 1; // clamav 是否扫描病毒
CLAMAV_TIME = "1726"; // clamav 扫描时间（小时分钟，默认每天运行）
DAEMON = "off"; // on开启后台运行,off不开启
TIME = "10"; // 睡眠时间(大于等于1,单位秒)
PUBLIC_IP = "http://inet-ip.info"; // 获取公网IP
IPV4_RESTRICTION = 1; // 是否启用IP白名单
IPV4_WHITE_LIST = "1.1.1.1 "; // IP白名单
REGION = 1; // 是否启用地域白名单
REGION_LIST = "河南 郑州"; // 地域列表
IS_BLOCKED = 1; // 是否封禁攻击IP
IS_BLOCKED = 1; // 是否封禁攻击IP(1开启,非1关闭)
REFUSE_NUMBER = 3; // 拒绝攻击次数
IS_MAIL = 0; // 开启邮件告警
CLAMAV = 1; // clamav 是否扫描病毒(测试阶段)(1开启,非1关闭)
CLAMAV_TIME = "* 22 21 * * *"; // clamav 扫描时间(Cron格式, 秒 分 时 天 月 周)
IS_DING_WEBHOOK = 0; // 开启叮叮告警
IPV4_RESTRICTION = 1; // 是否启用IP白名单(1开启,非1关闭)
IPV4_WHITE_LIST = "1.1.1.1 "; // IP白名单(空格隔开)
REGION = 1; // 是否启用地域白名单(1开启,非1关闭)
REGION_URL = "http://opendata.baidu.com/api.php?query=%s&co=&resource_id=6006&oe=utf8"; // 获取IP地域
REGION_LIST = "河南 郑州"; // 地域列表(空格隔开)
IS_MAIL = 0; // 开启邮件告警(1开启,非1关闭)
IS_DING_WEBHOOK = 0; // 开启叮叮告警(1开启,非1关闭)
PHONE = "15565979082"; // @的人手机号
DING_WEBHOOK = "https://oapi.dingtalk.com/robot/send?access_token=7f069c672cb878987aa6772cca336740eece4ce36bde12b51b45e9f440e0565a"; // 钉钉WEBHOOK
IS_QQMAIL = 0; // 开启QQ邮箱告警(默认使用gomail：https://git.aixiao.me/aixiao/gomail.git)
IS_QQMAIL = 1; // 开启QQ邮箱告警(默认使用gomail：https://git.aixiao.me/aixiao/gomail.git)(1开启,非1关闭)
RECV_MAIL = "1605227279@qq.com"; // 接收者QQ
}

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rhost.h
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@ -15,6 +15,72 @@
#include <time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <assert.h>
typedef struct now_next_time {
int now_year;
int now_mon;
int now_day;
int now_hour;
int now_min;
int now_sec;
int now_week;
int next_year;
int next_mon;
int next_day;
int next_hour;
int next_min;
int next_sec;
int next_week;
} now_next_time;
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include "ccronexpr.h"
#define MAX_SECONDS 60
#define CRON_MAX_MINUTES 60
#define CRON_MAX_HOURS 24
#define CRON_MAX_DAYS_OF_WEEK 8
#define CRON_MAX_DAYS_OF_MONTH 32
#define CRON_MAX_MONTHS 12
#define INVALID_INSTANT ((time_t) -1)
#define DATE_FORMAT "%Y-%m-%d_%H:%M:%S"
#ifndef ARRAY_LEN
#define ARRAY_LEN(x) sizeof(x)/sizeof(x[0])
#endif
#ifdef CRON_TEST_MALLOC
static int cronAllocations = 0;
static int cronTotalAllocations = 0;
static int maxAlloc = 0;
void* cron_malloc(size_t n) {
cronAllocations++;
cronTotalAllocations++;
if (cronAllocations > maxAlloc) {
maxAlloc = cronAllocations;
}
return malloc(n);
}
void cron_free(void* p) {
cronAllocations--;
free(p);
}
#endif
#define CENTOS_SYSTEM 1
#define DEBISN_SYSTEM 2

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