aixiao/denyhosts
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重新架构

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This commit is contained in:
aixiao 2024-05-27 16:05:31 +08:00
parent 3aa4d63799
commit 8d613b3e54
20 changed files with 701 additions and 4169 deletions
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10
.vscode/settings.json vendored
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@ -8,6 +8,14 @@
"libiptc.h": "c",
"stdio.h": "c",
"nginx.h": "c",
"cjson.h": "c"
"cjson.h": "c",
"stdlib.h": "c",
"stddef.h": "c",
"signal.h": "c",
"time.h": "c",
"stdarg.h": "c",
"libclamav.h": "c",
"rhost.h": "c",
"warning.h": "c"
}
}

8
Makefile
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@ -20,9 +20,6 @@ ARCH := $(shell bash get_architecture.sh)
IPTC_CFLAGS += -DHAVE_CONFIG_H -I./libiptc -D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 -D_REENTRANT
IPTC_LIB += -lip4tc
cJSON_CFLAGS += -std=c89 -c -fPIC -pedantic -Wall -Werror -Wstrict-prototypes -Wwrite-strings -Wshadow -Winit-self -Wcast-align -Wformat=2 -Wmissing-prototypes -Wstrict-overflow=2 -Wcast-qual -Wc++-compat -Wundef -Wswitch-default -Wconversion -fstack-protector
cJSON_LIB += cJSON.o
ip2region_CFLAGS += -Os -g -Wall -I/ip2region -c
ip2region_LIB += ip2region.o xdb_searcher.o
@ -38,10 +35,9 @@ LIBCOMMON_LIB += ./clamav/common/cert_util.c.o ./clamav/common/actions.c.o ./cla
all: libclamav_rust libclamav rhost nginx.o
rhost: conf.o rhost.o libiptc.o ccronexpr.o nginx.o disk.o
rhost: conf.o common.o rhost.o libiptc.o ccronexpr.o rule.o nginx.o disk.o ip.o warning.o
$(CC) $(ip2region_CFLAGS) ip2region/ip2region.c
$(CC) $(ip2region_CFLAGS) ip2region/xdb_searcher.c
$(CC) $(cJSON_CFLAGS) cJSON/cJSON.c
$(CC) $(CLAMAV_CFLAGS) -o ./clamav/clamscan/clamscan.c.o -c ./clamav/clamscan/clamscan.c
$(CC) $(CLAMAV_CFLAGS) -o ./clamav/clamscan/manager.c.o -c ./clamav/clamscan/manager.c
@ -50,7 +46,7 @@ rhost: conf.o rhost.o libiptc.o ccronexpr.o nginx.o disk.o
$(CC) $(FRESHCLAM_CFLAGS) -o ./clamav/freshclam/execute.c.o -c ./clamav/freshclam/execute.c
$(CC) $(FRESHCLAM_CFLAGS) -o ./clamav/freshclam/notify.c.o -c ./clamav/freshclam/notify.c
$(CC) $(CFLAGS) $^ -o $(OBG) $(cJSON_LIB) $(ip2region_LIB) $(CLAMAV_LIB) $(IPTC_LIB) $(FRESHCLAM_LIB)
$(CC) $(CFLAGS) $^ -o $(OBG) $(ip2region_LIB) $(CLAMAV_LIB) $(IPTC_LIB) $(FRESHCLAM_LIB)
chmod +x $(OBG)

3110
cJSON/cJSON.c
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File diff suppressed because it is too large Load Diff

293
cJSON/cJSON.h
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@ -1,293 +0,0 @@
/*
Copyright (c) 2009-2017 Dave Gamble and cJSON contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#ifndef cJSON__h
#define cJSON__h
#ifdef __cplusplus
extern "C"
{
#endif
#if !defined(__WINDOWS__) && (defined(WIN32) || defined(WIN64) || defined(_MSC_VER) || defined(_WIN32))
#define __WINDOWS__
#endif
#ifdef __WINDOWS__
/* When compiling for windows, we specify a specific calling convention to avoid issues where we are being called from a project with a different default calling convention. For windows you have 3 define options:
CJSON_HIDE_SYMBOLS - Define this in the case where you don't want to ever dllexport symbols
CJSON_EXPORT_SYMBOLS - Define this on library build when you want to dllexport symbols (default)
CJSON_IMPORT_SYMBOLS - Define this if you want to dllimport symbol
For *nix builds that support visibility attribute, you can define similar behavior by
setting default visibility to hidden by adding
-fvisibility=hidden (for gcc)
or
-xldscope=hidden (for sun cc)
to CFLAGS
then using the CJSON_API_VISIBILITY flag to "export" the same symbols the way CJSON_EXPORT_SYMBOLS does
*/
#define CJSON_CDECL __cdecl
#define CJSON_STDCALL __stdcall
/* export symbols by default, this is necessary for copy pasting the C and header file */
#if !defined(CJSON_HIDE_SYMBOLS) && !defined(CJSON_IMPORT_SYMBOLS) && !defined(CJSON_EXPORT_SYMBOLS)
#define CJSON_EXPORT_SYMBOLS
#endif
#if defined(CJSON_HIDE_SYMBOLS)
#define CJSON_PUBLIC(type) type CJSON_STDCALL
#elif defined(CJSON_EXPORT_SYMBOLS)
#define CJSON_PUBLIC(type) __declspec(dllexport) type CJSON_STDCALL
#elif defined(CJSON_IMPORT_SYMBOLS)
#define CJSON_PUBLIC(type) __declspec(dllimport) type CJSON_STDCALL
#endif
#else /* !__WINDOWS__ */
#define CJSON_CDECL
#define CJSON_STDCALL
#if (defined(__GNUC__) || defined(__SUNPRO_CC) || defined (__SUNPRO_C)) && defined(CJSON_API_VISIBILITY)
#define CJSON_PUBLIC(type) __attribute__((visibility("default"))) type
#else
#define CJSON_PUBLIC(type) type
#endif
#endif
/* project version */
#define CJSON_VERSION_MAJOR 1
#define CJSON_VERSION_MINOR 7
#define CJSON_VERSION_PATCH 15
#include <stddef.h>
/* cJSON Types: */
#define cJSON_Invalid (0)
#define cJSON_False (1 << 0)
#define cJSON_True (1 << 1)
#define cJSON_NULL (1 << 2)
#define cJSON_Number (1 << 3)
#define cJSON_String (1 << 4)
#define cJSON_Array (1 << 5)
#define cJSON_Object (1 << 6)
#define cJSON_Raw (1 << 7) /* raw json */
#define cJSON_IsReference 256
#define cJSON_StringIsConst 512
/* The cJSON structure: */
typedef struct cJSON
{
/* next/prev allow you to walk array/object chains. Alternatively, use GetArraySize/GetArrayItem/GetObjectItem */
struct cJSON *next;
struct cJSON *prev;
/* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */
struct cJSON *child;
/* The type of the item, as above. */
int type;
/* The item's string, if type==cJSON_String and type == cJSON_Raw */
char *valuestring;
/* writing to valueint is DEPRECATED, use cJSON_SetNumberValue instead */
int valueint;
/* The item's number, if type==cJSON_Number */
double valuedouble;
/* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
char *string;
} cJSON;
typedef struct cJSON_Hooks
{
/* malloc/free are CDECL on Windows regardless of the default calling convention of the compiler, so ensure the hooks allow passing those functions directly. */
void *(CJSON_CDECL *malloc_fn)(size_t sz);
void (CJSON_CDECL *free_fn)(void *ptr);
} cJSON_Hooks;
typedef int cJSON_bool;
/* Limits how deeply nested arrays/objects can be before cJSON rejects to parse them.
* This is to prevent stack overflows. */
#ifndef CJSON_NESTING_LIMIT
#define CJSON_NESTING_LIMIT 1000
#endif
/* returns the version of cJSON as a string */
CJSON_PUBLIC(const char*) cJSON_Version(void);
/* Supply malloc, realloc and free functions to cJSON */
CJSON_PUBLIC(void) cJSON_InitHooks(cJSON_Hooks* hooks);
/* Memory Management: the caller is always responsible to free the results from all variants of cJSON_Parse (with cJSON_Delete) and cJSON_Print (with stdlib free, cJSON_Hooks.free_fn, or cJSON_free as appropriate). The exception is cJSON_PrintPreallocated, where the caller has full responsibility of the buffer. */
/* Supply a block of JSON, and this returns a cJSON object you can interrogate. */
CJSON_PUBLIC(cJSON *) cJSON_Parse(const char *value);
CJSON_PUBLIC(cJSON *) cJSON_ParseWithLength(const char *value, size_t buffer_length);
/* ParseWithOpts allows you to require (and check) that the JSON is null terminated, and to retrieve the pointer to the final byte parsed. */
/* If you supply a ptr in return_parse_end and parsing fails, then return_parse_end will contain a pointer to the error so will match cJSON_GetErrorPtr(). */
CJSON_PUBLIC(cJSON *) cJSON_ParseWithOpts(const char *value, const char **return_parse_end, cJSON_bool require_null_terminated);
CJSON_PUBLIC(cJSON *) cJSON_ParseWithLengthOpts(const char *value, size_t buffer_length, const char **return_parse_end, cJSON_bool require_null_terminated);
/* Render a cJSON entity to text for transfer/storage. */
CJSON_PUBLIC(char *) cJSON_Print(const cJSON *item);
/* Render a cJSON entity to text for transfer/storage without any formatting. */
CJSON_PUBLIC(char *) cJSON_PrintUnformatted(const cJSON *item);
/* Render a cJSON entity to text using a buffered strategy. prebuffer is a guess at the final size. guessing well reduces reallocation. fmt=0 gives unformatted, =1 gives formatted */
CJSON_PUBLIC(char *) cJSON_PrintBuffered(const cJSON *item, int prebuffer, cJSON_bool fmt);
/* Render a cJSON entity to text using a buffer already allocated in memory with given length. Returns 1 on success and 0 on failure. */
/* NOTE: cJSON is not always 100% accurate in estimating how much memory it will use, so to be safe allocate 5 bytes more than you actually need */
CJSON_PUBLIC(cJSON_bool) cJSON_PrintPreallocated(cJSON *item, char *buffer, const int length, const cJSON_bool format);
/* Delete a cJSON entity and all subentities. */
CJSON_PUBLIC(void) cJSON_Delete(cJSON *item);
/* Returns the number of items in an array (or object). */
CJSON_PUBLIC(int) cJSON_GetArraySize(const cJSON *array);
/* Retrieve item number "index" from array "array". Returns NULL if unsuccessful. */
CJSON_PUBLIC(cJSON *) cJSON_GetArrayItem(const cJSON *array, int index);
/* Get item "string" from object. Case insensitive. */
CJSON_PUBLIC(cJSON *) cJSON_GetObjectItem(const cJSON * const object, const char * const string);
CJSON_PUBLIC(cJSON *) cJSON_GetObjectItemCaseSensitive(const cJSON * const object, const char * const string);
CJSON_PUBLIC(cJSON_bool) cJSON_HasObjectItem(const cJSON *object, const char *string);
/* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when cJSON_Parse() returns 0. 0 when cJSON_Parse() succeeds. */
CJSON_PUBLIC(const char *) cJSON_GetErrorPtr(void);
/* Check item type and return its value */
CJSON_PUBLIC(char *) cJSON_GetStringValue(const cJSON * const item);
CJSON_PUBLIC(double) cJSON_GetNumberValue(const cJSON * const item);
/* These functions check the type of an item */
CJSON_PUBLIC(cJSON_bool) cJSON_IsInvalid(const cJSON * const item);
CJSON_PUBLIC(cJSON_bool) cJSON_IsFalse(const cJSON * const item);
CJSON_PUBLIC(cJSON_bool) cJSON_IsTrue(const cJSON * const item);
CJSON_PUBLIC(cJSON_bool) cJSON_IsBool(const cJSON * const item);
CJSON_PUBLIC(cJSON_bool) cJSON_IsNull(const cJSON * const item);
CJSON_PUBLIC(cJSON_bool) cJSON_IsNumber(const cJSON * const item);
CJSON_PUBLIC(cJSON_bool) cJSON_IsString(const cJSON * const item);
CJSON_PUBLIC(cJSON_bool) cJSON_IsArray(const cJSON * const item);
CJSON_PUBLIC(cJSON_bool) cJSON_IsObject(const cJSON * const item);
CJSON_PUBLIC(cJSON_bool) cJSON_IsRaw(const cJSON * const item);
/* These calls create a cJSON item of the appropriate type. */
CJSON_PUBLIC(cJSON *) cJSON_CreateNull(void);
CJSON_PUBLIC(cJSON *) cJSON_CreateTrue(void);
CJSON_PUBLIC(cJSON *) cJSON_CreateFalse(void);
CJSON_PUBLIC(cJSON *) cJSON_CreateBool(cJSON_bool boolean);
CJSON_PUBLIC(cJSON *) cJSON_CreateNumber(double num);
CJSON_PUBLIC(cJSON *) cJSON_CreateString(const char *string);
/* raw json */
CJSON_PUBLIC(cJSON *) cJSON_CreateRaw(const char *raw);
CJSON_PUBLIC(cJSON *) cJSON_CreateArray(void);
CJSON_PUBLIC(cJSON *) cJSON_CreateObject(void);
/* Create a string where valuestring references a string so
* it will not be freed by cJSON_Delete */
CJSON_PUBLIC(cJSON *) cJSON_CreateStringReference(const char *string);
/* Create an object/array that only references it's elements so
* they will not be freed by cJSON_Delete */
CJSON_PUBLIC(cJSON *) cJSON_CreateObjectReference(const cJSON *child);
CJSON_PUBLIC(cJSON *) cJSON_CreateArrayReference(const cJSON *child);
/* These utilities create an Array of count items.
* The parameter count cannot be greater than the number of elements in the number array, otherwise array access will be out of bounds.*/
CJSON_PUBLIC(cJSON *) cJSON_CreateIntArray(const int *numbers, int count);
CJSON_PUBLIC(cJSON *) cJSON_CreateFloatArray(const float *numbers, int count);
CJSON_PUBLIC(cJSON *) cJSON_CreateDoubleArray(const double *numbers, int count);
CJSON_PUBLIC(cJSON *) cJSON_CreateStringArray(const char *const *strings, int count);
/* Append item to the specified array/object. */
CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToArray(cJSON *array, cJSON *item);
CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObject(cJSON *object, const char *string, cJSON *item);
/* Use this when string is definitely const (i.e. a literal, or as good as), and will definitely survive the cJSON object.
* WARNING: When this function was used, make sure to always check that (item->type & cJSON_StringIsConst) is zero before
* writing to `item->string` */
CJSON_PUBLIC(cJSON_bool) cJSON_AddItemToObjectCS(cJSON *object, const char *string, cJSON *item);
/* Append reference to item to the specified array/object. Use this when you want to add an existing cJSON to a new cJSON, but don't want to corrupt your existing cJSON. */
CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToArray(cJSON *array, cJSON *item);
CJSON_PUBLIC(cJSON_bool) cJSON_AddItemReferenceToObject(cJSON *object, const char *string, cJSON *item);
/* Remove/Detach items from Arrays/Objects. */
CJSON_PUBLIC(cJSON *) cJSON_DetachItemViaPointer(cJSON *parent, cJSON * const item);
CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromArray(cJSON *array, int which);
CJSON_PUBLIC(void) cJSON_DeleteItemFromArray(cJSON *array, int which);
CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObject(cJSON *object, const char *string);
CJSON_PUBLIC(cJSON *) cJSON_DetachItemFromObjectCaseSensitive(cJSON *object, const char *string);
CJSON_PUBLIC(void) cJSON_DeleteItemFromObject(cJSON *object, const char *string);
CJSON_PUBLIC(void) cJSON_DeleteItemFromObjectCaseSensitive(cJSON *object, const char *string);
/* Update array items. */
CJSON_PUBLIC(cJSON_bool) cJSON_InsertItemInArray(cJSON *array, int which, cJSON *newitem); /* Shifts pre-existing items to the right. */
CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemViaPointer(cJSON * const parent, cJSON * const item, cJSON * replacement);
CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInArray(cJSON *array, int which, cJSON *newitem);
CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObject(cJSON *object,const char *string,cJSON *newitem);
CJSON_PUBLIC(cJSON_bool) cJSON_ReplaceItemInObjectCaseSensitive(cJSON *object,const char *string,cJSON *newitem);
/* Duplicate a cJSON item */
CJSON_PUBLIC(cJSON *) cJSON_Duplicate(const cJSON *item, cJSON_bool recurse);
/* Duplicate will create a new, identical cJSON item to the one you pass, in new memory that will
* need to be released. With recurse!=0, it will duplicate any children connected to the item.
* The item->next and ->prev pointers are always zero on return from Duplicate. */
/* Recursively compare two cJSON items for equality. If either a or b is NULL or invalid, they will be considered unequal.
* case_sensitive determines if object keys are treated case sensitive (1) or case insensitive (0) */
CJSON_PUBLIC(cJSON_bool) cJSON_Compare(const cJSON * const a, const cJSON * const b, const cJSON_bool case_sensitive);
/* Minify a strings, remove blank characters(such as ' ', '\t', '\r', '\n') from strings.
* The input pointer json cannot point to a read-only address area, such as a string constant,
* but should point to a readable and writable address area. */
CJSON_PUBLIC(void) cJSON_Minify(char *json);
/* Helper functions for creating and adding items to an object at the same time.
* They return the added item or NULL on failure. */
CJSON_PUBLIC(cJSON*) cJSON_AddNullToObject(cJSON * const object, const char * const name);
CJSON_PUBLIC(cJSON*) cJSON_AddTrueToObject(cJSON * const object, const char * const name);
CJSON_PUBLIC(cJSON*) cJSON_AddFalseToObject(cJSON * const object, const char * const name);
CJSON_PUBLIC(cJSON*) cJSON_AddBoolToObject(cJSON * const object, const char * const name, const cJSON_bool boolean);
CJSON_PUBLIC(cJSON*) cJSON_AddNumberToObject(cJSON * const object, const char * const name, const double number);
CJSON_PUBLIC(cJSON*) cJSON_AddStringToObject(cJSON * const object, const char * const name, const char * const string);
CJSON_PUBLIC(cJSON*) cJSON_AddRawToObject(cJSON * const object, const char * const name, const char * const raw);
CJSON_PUBLIC(cJSON*) cJSON_AddObjectToObject(cJSON * const object, const char * const name);
CJSON_PUBLIC(cJSON*) cJSON_AddArrayToObject(cJSON * const object, const char * const name);
/* When assigning an integer value, it needs to be propagated to valuedouble too. */
#define cJSON_SetIntValue(object, number) ((object) ? (object)->valueint = (object)->valuedouble = (number) : (number))
/* helper for the cJSON_SetNumberValue macro */
CJSON_PUBLIC(double) cJSON_SetNumberHelper(cJSON *object, double number);
#define cJSON_SetNumberValue(object, number) ((object != NULL) ? cJSON_SetNumberHelper(object, (double)number) : (number))
/* Change the valuestring of a cJSON_String object, only takes effect when type of object is cJSON_String */
CJSON_PUBLIC(char*) cJSON_SetValuestring(cJSON *object, const char *valuestring);
/* Macro for iterating over an array or object */
#define cJSON_ArrayForEach(element, array) for(element = (array != NULL) ? (array)->child : NULL; element != NULL; element = element->next)
/* malloc/free objects using the malloc/free functions that have been set with cJSON_InitHooks */
CJSON_PUBLIC(void *) cJSON_malloc(size_t size);
CJSON_PUBLIC(void) cJSON_free(void *object);
#ifdef __cplusplus
}
#endif
#endif

125
common.c Normal file
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@ -0,0 +1,125 @@
#include "common.h"
// 计算字符串长度
int _strlen(char *str)
{
char *_p = NULL;
if (str == NULL)
return 0;
_p = strchr(str, '\0');
if (_p == NULL)
return 0;
return _p - str;
}
// 自定义 printf 函数
void my_printf(const char *format, ...) {
va_list args;
va_start(args, format);
// 打印到控制台
vprintf(format, args);
va_end(args); // 结束对变参列表的处理
// 重新启动变参列表
va_start(args, format);
// 打开日志文件（追加模式）
FILE *log_file = fopen(PRINT_LOG_FILE, "a");
if (log_file != NULL) {
// 获取当前时间
time_t now = time(NULL);
struct tm local_time;
localtime_r(&now, &local_time);
char time_str[20]; // YYYY-MM-DD HH:MM:SS 格式
strftime(time_str, sizeof(time_str), "%Y-%m-%d %H:%M:%S", &local_time);
// 打印时间戳到日志文件
fprintf(log_file, "[%s] ", time_str);
// 打印内容到日志文件
vfprintf(log_file, format, args);
// 关闭日志文件
fclose(log_file);
} else {
perror("Unable to open log file");
}
va_end(args); // 结束对变参列表的处理
}
void split_string(char string[], char delims[], char (*whitelist_ip)[WHITELIST_IP_NUM])
{
int i = 0;
char *result = NULL;
result = strtok(string, delims);
while (result != NULL)
{
i++;
strcpy(whitelist_ip[i], result);
result = strtok(NULL, delims);
}
}
// IP段白名单对比
int whitelist(char *client_ip, char (*whitelist_ip)[WHITELIST_IP_NUM])
{
int i;
for (i = 1; i < WHITELIST_IP_NUM - 1; i++) {
if (strcmp(whitelist_ip[i], "\0") == 0) // 如果字符串为空就跳出循环
{
break;
}
if ((strncmp(client_ip, whitelist_ip[i], _strlen(whitelist_ip[i]))) == 0) // 对比client_ip长度,
{
return 1;
}
}
return 0;
}
// 地域段白名单对比
int isregion(char *str, char (*region_list)[WHITELIST_IP_NUM])
{
int i;
char *p;
for (i = 1; i < WHITELIST_IP_NUM - 1; i++) {
if (strcmp(region_list[i], "\0") == 0) // 如果字符串为空就跳出循环
{
break;
}
//printf("%s %s\n", str, region_list[i]);
// 在str中查找region_list[i]
p = strstr(str, region_list[i]);
if (p != NULL) {
return 1;
}
}
return 0;
}
char *_time()
{
char temp[BUFFER];
char *wday[] = { "0", "1", "2", "3", "4", "5", "6" };
time_t t;
struct tm *p;
time(&t);
p = localtime(&t); // 取得当地时间
memset(temp, 0, BUFFER);
snprintf(temp, BUFFER, "[%d/%02d/%02d %s %02d:%02d:%02d] ", (1900 + p->tm_year), (1 + p->tm_mon), p->tm_mday, wday[p->tm_wday], p->tm_hour, p->tm_min, p->tm_sec);
return strdup(temp);
}

36
common.h Normal file
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@ -0,0 +1,36 @@
#ifndef COMMON_H
#define COMMON_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <stdarg.h>
#include <errno.h>
#include <unistd.h>
#include <pthread.h>
#include <signal.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/utsname.h>
#include "conf.h"
#define PRINT_LOG_FILE "nginx.log"
#define BUFFER 1024
#define WHITELIST_IP_NUM 1024
extern int _strlen(char *str);
extern void my_printf(const char *format, ...);
extern void split_string(char string[], char delims[], char (*whitelist_ip)[WHITELIST_IP_NUM]);
extern int whitelist(char *client_ip, char (*whitelist_ip)[WHITELIST_IP_NUM]);
extern char *_time();
extern int isregion(char *str, char (*region_list)[WHITELIST_IP_NUM]);
#endif

58
conf.c
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@ -14,9 +14,7 @@ int8_t copy_new_mem(char *src, int src_len, char **dest)
/* 在content中，设置变量(var)的首地址，值(val)的位置首地址和末地址，返回下一行指针 */
static char *set_var_val_lineEnd(char *content, char **var, char **val_begin, char **val_end)
{
char *p, *pn, *lineEnd;
;
int val_len;
while (1) {
@ -98,12 +96,6 @@ static void parse_global_module(char *content, conf * conf)
}
if (strcasecmp(var, "REFUSE_NUMBER") == 0) {
val_begin_len = val_end - val_begin;
conf->REFUSE_NUMBER = atoi(val_begin);
}
if (strcasecmp(var, "IS_MAIL") == 0) {
val_begin_len = val_end - val_begin;
conf->IS_MAIL = atoi(val_begin);
@ -132,19 +124,7 @@ static void parse_global_module(char *content, conf * conf)
val_begin_len = val_end - val_begin;
conf->IS_QQMAIL = atoi(val_begin);
}
/*
if (strcasecmp(var, "SEND_QQ") == 0) {
val_begin_len = val_end - val_begin;
if (copy_new_mem(val_begin, val_begin_len, &conf->SEND_QQ) != 0)
return;
}
if (strcasecmp(var, "QQMAIL_KEY") == 0) {
val_begin_len = val_end - val_begin;
if (copy_new_mem(val_begin, val_begin_len, &conf->QQMAIL_KEY) != 0)
return;
}
*/
if (strcasecmp(var, "RECV_MAIL") == 0) {
val_begin_len = val_end - val_begin;
if (copy_new_mem(val_begin, val_begin_len, &conf->RECV_MAIL) != 0)
@ -178,12 +158,7 @@ static void parse_global_module(char *content, conf * conf)
val_begin_len = val_end - val_begin;
conf->IP2REGION = atoi(val_begin);
}
if (strcasecmp(var, "REGION_URL") == 0) {
val_begin_len = val_end - val_begin;
conf->REGION_URL_LEN = val_begin_len;
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;
@ -308,12 +283,6 @@ void free_conf(conf * conf)
free(conf->PHONE);
if (conf->DING_WEBHOOK)
free(conf->DING_WEBHOOK);
/*
if (conf->SEND_QQ)
free(conf->SEND_QQ);
if (conf->QQMAIL_KEY)
free(conf->QQMAIL_KEY);
*/
if (conf->RECV_MAIL)
free(conf->RECV_MAIL);
if (conf->PUBLIC_IP)
@ -323,8 +292,6 @@ 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);
@ -345,7 +312,7 @@ void ptintf_conf(conf * conf)
if (conf->DAEMON)
printf("DAEMON %s\n", conf->DAEMON);
printf("TIME %d\n", conf->TIME);
printf("REFUSE_NUMBER %d\n", conf->REFUSE_NUMBER);
printf("IS_MAIL %d\n", conf->IS_MAIL);
printf("IS_DING_WEBHOOK %d\n", conf->IS_DING_WEBHOOK);
if (conf->PHONE)
@ -353,12 +320,7 @@ void ptintf_conf(conf * conf)
if (conf->DING_WEBHOOK)
printf("DING_WEBHOOK %s\n", conf->DING_WEBHOOK);
printf("IS_QQMAIL %d\n", conf->IS_QQMAIL);
/*
if (conf->SEND_QQ)
printf("%s\n", conf->SEND_QQ);
if (conf->QQMAIL_KEY)
printf("%s\n", conf->QQMAIL_KEY);
*/
if (conf->RECV_MAIL)
printf("RECV_MAIL %s\n", conf->RECV_MAIL);
if (conf->PUBLIC_IP)
@ -381,17 +343,3 @@ void ptintf_conf(conf * conf)
if (conf->NGINX_REGION_LIST)
printf("CLAMAV_ARG %s %d\n", conf->NGINX_REGION_LIST, conf->NGINX_REGION_LIST_LEN);
}
void split_string(char string[], char delims[], char (*whitelist_ip)[WHITELIST_IP_NUM])
{
int i = 0;
char *result = NULL;
result = strtok(string, delims);
while (result != NULL)
{
i++;
strcpy(whitelist_ip[i], result);
result = strtok(NULL, delims);
}
}

13
conf.h
View File

@ -7,8 +7,6 @@
#include <stddef.h>
#include <string.h>
#define WHITELIST_IP_NUM 1024
typedef struct CONF
{
char *DAEMON;
@ -26,7 +24,6 @@ typedef struct CONF
int CLAMAV_ARG_LEN;
int IS_BLOCKED;
int REFUSE_NUMBER;
// 获取公网IP Url地址
char *PUBLIC_IP;
@ -34,8 +31,6 @@ typedef struct CONF
// 地域白名单
int REGION;
int IP2REGION;
char *REGION_URL;
int REGION_URL_LEN;
char *REGION_LIST;
int REGION_LIST_LEN;
@ -65,9 +60,9 @@ typedef struct CONF
char *RECV_MAIL;
} conf;
void read_conf(char *filename, conf * configure);
void free_conf(conf * conf);
void ptintf_conf(conf * conf);
void split_string(char string[], char delims[], char (*whitelist_ip)[WHITELIST_IP_NUM]);
extern void read_conf(char *filename, conf * configure);
extern void free_conf(conf * conf);
extern void ptintf_conf(conf * conf);
#endif

3
disk.h
View File

@ -8,7 +8,8 @@
#include <sys/statvfs.h>
#include "rhost.h"
#include "common.h"
#include "warning.h"
#define INITIAL_SIZE 1024
#define BUFFER_INCREMENT 512

98
ip.c Normal file
View File

@ -0,0 +1,98 @@
#include "ip.h"
struct MemoryStruct {
char *memory;
size_t size;
};
static size_t WriteMemoryCallback(void *contents, size_t size, size_t nmemb, void *userp)
{
size_t realsize = size * nmemb;
struct MemoryStruct *mem = (struct MemoryStruct *)userp;
// 注意这里根据每次被调用获得的数据重新动态分配缓存区的大小
char *ptr = realloc(mem->memory, mem->size + realsize + 1);
if (ptr == NULL) {
/* 内存不足！ */
printf("not enough memory (realloc returned NULL)\n");
return 0;
}
mem->memory = ptr;
memcpy(&(mem->memory[mem->size]), contents, realsize);
mem->size += realsize;
mem->memory[mem->size] = 0;
return realsize;
}
// 获取公网IP
char *GET_PUBLIC_IP(char *URL)
{
CURL *curl_handle;
CURLcode res;
struct curl_slist *headers = NULL;
struct MemoryStruct chunk;
chunk.memory = malloc(1); /* 将根据上述再分配的需要增长 */
chunk.size = 0; /* 此时没有数据 */
curl_global_init(CURL_GLOBAL_ALL);
/* 初始化curl会话 */
curl_handle = curl_easy_init();
char *p = NULL;
char *buff;
p = strstr(URL, "-H");
if (p) {
buff = (char *)alloca(p - URL + 1);
if (buff == NULL)
perror("out of memory.");
memset(buff, 0, p - URL + 1);
memcpy(buff, URL, (int)(p - URL - 1));
// 赋值header值
headers = curl_slist_append(headers, p + 3);
// 设置header
curl_easy_setopt(curl_handle, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl_handle, CURLOPT_URL, buff);
} else {
/* 指定要获取的URL */
curl_easy_setopt(curl_handle, CURLOPT_URL, URL);
}
/* 将所有数据发送到此函数 */
//对于同一次阻塞的curl_easy_perform而言，在写完获取的数据之前，会多次调用 WriteMemoryCallback
curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
/* 将"chunk"结构传递给回调函数 */
curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)&chunk);
curl_easy_setopt(curl_handle, CURLOPT_USERAGENT, "libcurl-agent/1.0");
//对于同一次阻塞的curl_easy_perform而言，在写完获取的数据之前，会多次调用 WriteMemoryCallback
res = curl_easy_perform(curl_handle);
if (res != CURLE_OK) {
fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
} else {
//printf("%lu bytes retrieved\n", (unsigned long)chunk.size);
//printf("%s", chunk.memory);
;
}
curl_easy_cleanup(curl_handle);
curl_global_cleanup();
return chunk.memory;
}

22
ip.h Normal file
View File

@ -0,0 +1,22 @@
#ifndef IP_H
#define IP_H
#include <stddef.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <time.h>
#include <signal.h>
#include <sys/wait.h>
#include <curl/curl.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <assert.h>
#include <limits.h>
#include <stdarg.h>
extern char *GET_PUBLIC_IP(char *URL);
#endif

4
nginx.c
View File

@ -11,7 +11,7 @@ void nginx_iptc(char *ip)
iptc_add_rule("filter", "INPUT", IPPROTO_TCP, NULL, NULL, srcIp, 0, NULL, NULL, "DROP", NULL, 1);
}
int IP_location(char *string, conf *config)
static int Handle_IP(char *string, conf *config)
{
char *area = NULL;
char *xdb_path = "ip2region.xdb";
@ -136,7 +136,7 @@ int nginx_read_log(const char *filename, conf *p)
int bytes_read;
while ((bytes_read = read(fd, read_buf, buffer_size - 1)) > 0) {
read_buf[bytes_read] = '\0';
IP_location(read_buf, p);
Handle_IP(read_buf, p);
}
if (bytes_read == -1 && errno != EAGAIN) {
perror("read");

1
nginx.h
View File

@ -10,6 +10,7 @@
#include <fcntl.h>
#include "rhost.h"
#include "common.h"
#include "libiptc.h"
#include "ip2region/ip2region.h"

675
rhost.c
View File

@ -1,12 +1,14 @@
#include "rhost.h"
#include "common.h"
#include "ip.h"
#include "warning.h"
#include "rule.h"
#include "libiptc.h"
#include "libclamav.h"
#include "clamscan.h"
#include "ccronexpr.h"
#include "nginx.h"
#include "disk.h"
#include "./cJSON/cJSON.h"
#include "ip2region/ip2region.h"
// CRON
@ -48,205 +50,9 @@ void cron_free(void *p)
// CRON END
// 自定义 printf 函数
void my_printf(const char *format, ...) {
va_list args;
va_start(args, format);
// 打印到控制台
vprintf(format, args);
va_end(args); // 结束对变参列表的处理
// 重新启动变参列表
va_start(args, format);
// 打开日志文件（追加模式）
FILE *log_file = fopen(LOG_FILE, "a");
if (log_file != NULL) {
// 获取当前时间
time_t now = time(NULL);
struct tm local_time;
localtime_r(&now, &local_time);
char time_str[20]; // YYYY-MM-DD HH:MM:SS 格式
strftime(time_str, sizeof(time_str), "%Y-%m-%d %H:%M:%S", &local_time);
// 打印时间戳到日志文件
fprintf(log_file, "[%s] ", time_str);
// 打印内容到日志文件
vfprintf(log_file, format, args);
// 关闭日志文件
fclose(log_file);
} else {
perror("Unable to open log file");
}
va_end(args); // 结束对变参列表的处理
}
// 存储公网IP
char *public_ip;
struct MemoryStruct {
char *memory;
size_t size;
};
// 计算字符串长度
int _strlen(char *str)
{
char *_p = NULL;
if (str == NULL)
return 0;
_p = strchr(str, '\0');
if (_p == NULL)
return 0;
return _p - str;
}
static size_t WriteMemoryCallback(void *contents, size_t size, size_t nmemb, void *userp)
{
size_t realsize = size * nmemb;
struct MemoryStruct *mem = (struct MemoryStruct *)userp;
// 注意这里根据每次被调用获得的数据重新动态分配缓存区的大小
char *ptr = realloc(mem->memory, mem->size + realsize + 1);
if (ptr == NULL) {
/* 内存不足！ */
printf("not enough memory (realloc returned NULL)\n");
return 0;
}
mem->memory = ptr;
memcpy(&(mem->memory[mem->size]), contents, realsize);
mem->size += realsize;
mem->memory[mem->size] = 0;
return realsize;
}
// 获取公网IP
static char *GET_PUBLIC_IP(char *URL)
{
CURL *curl_handle;
CURLcode res;
struct curl_slist *headers = NULL;
struct MemoryStruct chunk;
chunk.memory = malloc(1); /* 将根据上述再分配的需要增长 */
chunk.size = 0; /* 此时没有数据 */
curl_global_init(CURL_GLOBAL_ALL);
/* 初始化curl会话 */
curl_handle = curl_easy_init();
char *p = NULL;
char *buff;
p = strstr(URL, "-H");
if (p) {
buff = (char *)alloca(p - URL + 1);
if (buff == NULL)
perror("out of memory.");
memset(buff, 0, p - URL + 1);
memcpy(buff, URL, (int)(p - URL - 1));
// 赋值header值
headers = curl_slist_append(headers, p + 3);
// 设置header
curl_easy_setopt(curl_handle, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl_handle, CURLOPT_URL, buff);
} else {
/* 指定要获取的URL */
curl_easy_setopt(curl_handle, CURLOPT_URL, URL);
}
/* 将所有数据发送到此函数 */
//对于同一次阻塞的curl_easy_perform而言，在写完获取的数据之前，会多次调用 WriteMemoryCallback
curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);
/* 将"chunk"结构传递给回调函数 */
curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)&chunk);
curl_easy_setopt(curl_handle, CURLOPT_USERAGENT, "libcurl-agent/1.0");
//对于同一次阻塞的curl_easy_perform而言，在写完获取的数据之前，会多次调用 WriteMemoryCallback
res = curl_easy_perform(curl_handle);
if (res != CURLE_OK) {
fprintf(stderr, "curl_easy_perform() failed: %s\n", curl_easy_strerror(res));
} else {
//printf("%lu bytes retrieved\n", (unsigned long)chunk.size);
//printf("%s", chunk.memory);
;
}
curl_easy_cleanup(curl_handle);
curl_global_cleanup();
return chunk.memory;
}
// 解析Json
char *process_json(char *buff, char *api)
{
char *area = NULL;
int area_len = 0;
char *p = NULL;
if (buff == NULL) {
return NULL;
}
cJSON *cjson_init = cJSON_Parse(buff);
if (cjson_init == NULL) {
perror("cJSON_Parse");
return NULL;
}
if ((p = strstr(api, "baidu")) != NULL) { // baidu Api
int i;
cJSON *data = cJSON_GetObjectItem(cjson_init, "data");
if (data != NULL) {
for (i = 0; i < cJSON_GetArraySize(data); i++) {
cJSON *svalue = cJSON_GetArrayItem(data, i);
cJSON *location = cJSON_GetObjectItem(svalue, "location");
area_len = _strlen(location->valuestring);
area = (char *)alloca(area_len + 1);
if (area == NULL)
perror("out of memory.");
memset(area, 0, area_len + 1);
snprintf(area, area_len + 1, "%s", location->valuestring);
}
} else {
return NULL;
}
} else {
cJSON_Delete(cjson_init);
return NULL;
}
cJSON_Delete(cjson_init);
return strdup(area);
}
// 检测系统
int check_system()
{
@ -259,435 +65,6 @@ int check_system()
return UNKNOWN_SYSTEM;
}
// 钉钉告警
int dingding_warning(char *illegal_ip, char *public_ip, char *ip, conf *conf)
{
FILE *fp;
char temp[64];
char jsonObj[BUFFER];
memset(jsonObj, 0, BUFFER);
memset(temp, 0, 64);
strcpy(temp, public_ip);
temp[_strlen(public_ip) - 1] = '\0';
if ((fp = fopen("libcurl.log", "wt+")) == NULL) {
return 1;
}
CURL *curl;
CURLcode res;
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if (curl == NULL) {
fclose(fp);
return 1;
}
#define JSIN "{ \
\"msgtype\": \"text\", \
\"text\": { \
\"content\": \"Alert @%s 服务器地址:%s，封禁非法入侵主机:(%s%s)\" \
}, \
\"at\": { \
\"atMobiles\": [\"%s\"], \
\"isAtAll\": false \
} \
}"
snprintf(jsonObj, BUFFER, JSIN, conf->PHONE, temp, ip, illegal_ip, conf->PHONE);
printf("%s\n", jsonObj);
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, "Accept: application/json");
headers = curl_slist_append(headers, "Content-Type: application/json");
headers = curl_slist_append(headers, "charset: utf-8");
curl_easy_setopt(curl, CURLOPT_URL, conf->DING_WEBHOOK);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
curl_easy_setopt(curl, CURLOPT_POST, 1);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, jsonObj);
curl_easy_setopt(curl, CURLOPT_USERAGENT, "libcurl/0.1");
curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
curl_global_cleanup();
fclose(fp);
return res;
}
// 邮件告警
int mail_warning(char *illegal_ip, char *public_ip, char *ip, conf *conf)
{
FILE *fp = NULL;
char buff[BUFFER];
char text[BUFFER];
char temp[64];
memset(buff, 0, BUFFER);
memset(text, 0, BUFFER);
memset(temp, 0, 64);
strcpy(temp, public_ip);
temp[_strlen(public_ip) - 1] = '\0';
snprintf(text, BUFFER, "echo \"主机:%s, 禁止(%s%s)访问\" | mail -s \"System ban IP\" %s", temp, ip, illegal_ip, conf->RECV_MAIL);
if (NULL == (fp = popen(text, "r"))) {
perror("popen text");
}
while (fgets(buff, BUFFER, fp) != NULL) {
buff[_strlen(buff) - 1] = '\0';
}
if (NULL != fp)
pclose(fp);
return 0;
}
// 第三方邮箱告警
int QQ_mail_warning(char *illegal_ip, char *public_ip, char *ip, conf *conf)
{
char string[BUFFER + (sizeof(QQMAIL)) + 1];
char text[BUFFER];
char temp[32];
memset(string, 0, BUFFER + (sizeof(QQMAIL)) + 1);
memset(text, 0, BUFFER);
memset(temp, 0, 32);
strcpy(temp, public_ip);
temp[_strlen(public_ip) - 1] = '\0';
snprintf(text, BUFFER, "主机:%s, 禁止(%s%s)访问!", temp, ip, illegal_ip);
snprintf(string, BUFFER + (sizeof(QQMAIL)) + 1, QQMAIL, conf->RECV_MAIL, text);
return system(string);
}
// 第三方邮箱告警, 感染病毒邮件提醒
int QQ_mail_warning_Virus_files(char *local_ip, int Virus_number, conf *conf)
{
char *command;
char *text;
char temp[32];
command = (char *)alloca(BUFFER + (sizeof(QQMAIL)) + 1);
text = (char *)alloca(BUFFER);
memset(command, 0, BUFFER + (sizeof(QQMAIL)) + 1);
memset(text, 0, BUFFER);
memset(temp, 0, 32);
strcpy(temp, local_ip);
temp[_strlen(local_ip) - 1] = '\0';
snprintf(text, BUFFER, "Host:%s, Infected files: %d, Please handle!", temp, Virus_number);
snprintf(command, BUFFER + BUFFER + (sizeof(QQMAIL)) + 1, QQMAIL_Virus, conf->RECV_MAIL, text);
return system(command);
}
// IP段白名单对比
int whitelist(char *client_ip, char (*whitelist_ip)[WHITELIST_IP_NUM])
{
int i;
for (i = 1; i < WHITELIST_IP_NUM - 1; i++) {
if (strcmp(whitelist_ip[i], "\0") == 0) // 如果字符串为空就跳出循环
{
break;
}
if ((strncmp(client_ip, whitelist_ip[i], _strlen(whitelist_ip[i]))) == 0) // 对比client_ip长度,
{
return 1;
}
}
return 0;
}
// 地域段白名单对比
int isregion(char *str, char (*region_list)[WHITELIST_IP_NUM])
{
int i;
char *p;
for (i = 1; i < WHITELIST_IP_NUM - 1; i++) {
if (strcmp(region_list[i], "\0") == 0) // 如果字符串为空就跳出循环
{
break;
}
//printf("%s %s\n", str, region_list[i]);
// 在str中查找region_list[i]
p = strstr(str, region_list[i]);
if (p != NULL) {
return 1;
}
}
return 0;
}
char *_time()
{
char temp[BUFFER];
char *wday[] = { "0", "1", "2", "3", "4", "5", "6" };
time_t t;
struct tm *p;
time(&t);
p = localtime(&t); // 取得当地时间
memset(temp, 0, BUFFER);
snprintf(temp, BUFFER, "[%d/%02d/%02d %s %02d:%02d:%02d] ", (1900 + p->tm_year), (1 + p->tm_mon), p->tm_mday, wday[p->tm_wday], p->tm_hour, p->tm_min, p->tm_sec);
return strdup(temp);
}
// 封禁非法IP
int rule(conf *conf)
{
char whitelist_ip[WHITELIST_IP_NUM][WHITELIST_IP_NUM] = { { 0 }, { 0 } };
char region_list[WHITELIST_IP_NUM][WHITELIST_IP_NUM] = { { 0 }, { 0 } };
char REGION_LIST_COPY[conf->REGION_LIST_LEN + 1];
char IPV4_WHITE_LIST_COPY[conf->IPV4_WHITE_LIST_LEN + 1];
char p_two[2], *command, *splice_command, *temp, buffer[BUFFER], awk[BUFFER];
FILE *fp, *fc;
time_t timep;
struct tm *tp;
long int ip_length = 1;
fp = NULL;
fc = NULL;
timep = time(NULL);
tp = localtime(&timep);
memset(buffer, 0, BUFFER);
memset(awk, 0, BUFFER);
memset(p_two, 0, 2);
char *t = NULL;
t = _time();
if (DEBISN_SYSTEM == check_system()) // Debian 系统规则
{
if (tp->tm_mday >= 10) {
if ((fp = popen(GE_10, "r")) == NULL) {
perror("GE_10");
return -1;
}
} else {
if ((fp = popen(LE_10, "r")) == NULL) {
perror("LE_10");
return -1;
}
}
} else if (CENTOS_SYSTEM == check_system()) // Centos 7系统规则
{
if (tp->tm_mday >= 10) {
if ((fp = popen(CENTOS_GE_10, "r")) == NULL) {
perror("CENTOS_GE_10");
return -1;
}
} else {
if ((fp = popen(CENTOS_LE_10, "r")) == NULL) {
perror("CENTOS_LE_10");
return -1;
}
}
} else {
return UNKNOWN_SYSTEM;
}
splice_command = (char *)malloc(ip_length);
if (splice_command == NULL) {
free(splice_command);
return -1;
}
memset(splice_command, 0, ip_length);
while (fgets(buffer, BUFFER, fp) != NULL) {
char *new_splice_command;
temp = strstr(buffer, "rhost");
sscanf(temp, "rhost=%64s", temp);
if (atoi(strncpy(p_two, temp, 1)) > 0) {
ip_length += _strlen(temp) + 1;
new_splice_command = (char *)realloc(splice_command, ip_length + 32);
if (new_splice_command == NULL) {
free(splice_command);
return -1;
}
splice_command = new_splice_command;
//printf(RED"Hello World\n"COLOR_NONE);
printf(RED "%s Illegal IP: %s\n" COLOR_NONE, t, temp);
strcat(splice_command, temp);
strcat(splice_command, "\n");
}
}
//printf("%s", splice_command); // 打印所有非法IP
//printf("%ld\n", ip_length);
command = (char *)malloc(ip_length + BUFFER);
if (command == NULL) {
free(command);
return -1;
}
memset(command, 0, ip_length + BUFFER);
snprintf(awk, BUFFER, AWK, conf->REFUSE_NUMBER); // 拼接命令
memcpy(command, "echo \"", 7);
strcat(command, splice_command);
strcat(command, "\"");
strcat(command, awk);
if ((fc = popen(command, "r")) == NULL) // 执行命令
{
perror("popen command");
return -1;
}
if (splice_command != NULL) {
free(splice_command);
}
if (command != NULL) {
free(command);
}
while (fgets(buffer, BUFFER, fc) != NULL) // 执行命令后, 为空时就不会
{
buffer[_strlen(buffer) - 1] = '\0'; // 去除回车
memset(REGION_LIST_COPY, 0, conf->REGION_LIST_LEN + 1);
memset(IPV4_WHITE_LIST_COPY, 0, conf->IPV4_WHITE_LIST_LEN + 1);
memcpy(REGION_LIST_COPY, conf->REGION_LIST, conf->REGION_LIST_LEN); // 复制配置字符串，split_string()会改变原数据
memcpy(IPV4_WHITE_LIST_COPY, conf->IPV4_WHITE_LIST, conf->IPV4_WHITE_LIST_LEN); //
split_string(IPV4_WHITE_LIST_COPY, " ", whitelist_ip);
split_string(REGION_LIST_COPY, " ", region_list);
if (conf->IPV4_RESTRICTION == 1) // 是否启用白名单
{
if (whitelist(buffer, whitelist_ip) == 1) {
printf("%s 白名单IPV4:%s\n", t, buffer);
continue;
}
}
if (0 != show_all_rule(buffer)) // libiptc库判断否存在规则
{
char *location_json = NULL;
char *area = NULL;
char URL[conf->REGION_URL_LEN + 32];
char *xdb_path = "ip2region.xdb";
// 地域白名单
if (conf->REGION == 1) {
memset(URL, 0, conf->REGION_URL_LEN + 32);
snprintf(URL, conf->REGION_URL_LEN + 32, conf->REGION_URL, buffer);
if (conf->IP2REGION == 1) { // ip2region 地址定位库
printf("%s Use ip2region !!!\n", t);
if (-1 == access(xdb_path, F_OK)) // 判断 ip2region 地址定位库是否存在
{
xdb_path = "ip2region/ip2region.xdb";
if (-1 == access(xdb_path, F_OK)) {
printf("%s ip2region.xdb DOESN'T EXISIT!\n", t);
goto AREA;
}
}
area = ip2region(xdb_path, buffer);
if (area == NULL) {
printf("%s ip2region解析地域错误\n", t);
goto BLOCKED;
}
} else {
AREA:
location_json = GET_PUBLIC_IP(URL);
if (location_json == NULL) {
printf("%s 获取地域错误\n", t);
goto BLOCKED;
}
area = process_json(location_json, conf->REGION_URL);
if (area == NULL) {
printf("%s 解析地域错误\n", t);
goto BLOCKED;
}
}
if (isregion(area, region_list) == 1) {
printf(RED "%s Ip Address: %s, 地域白名单: %s\n" COLOR_NONE, t, buffer, area);
continue;
}
}
printf(RED "%s 攻击者IP地址:%s, %s\n" COLOR_NONE, t, buffer, area);
if (conf->IS_DING_WEBHOOK == 1) // 钉钉告警
{
dingding_warning(area, public_ip, buffer, conf);
sleep(3);
}
if (conf->IS_MAIL == 1) // 邮件告警
{
mail_warning(area, public_ip, buffer, conf);
sleep(3);
}
if (conf->IS_QQMAIL == 1) // 邮件告警
{
QQ_mail_warning(area, public_ip, buffer, conf);
sleep(3);
}
BLOCKED:
// 是否封禁攻击IP
if (conf->IS_BLOCKED == 1) {
// libiptc 库插入规则
// iptables -t filter -A INPUT -p tcp -m tcp -s 47.110.180.35 -j DROP
// libiptc 库删除规则
// iptables -t filter -D INPUT -p tcp -m tcp -s 47.110.180.35 -j DROP
unsigned int srcIp;
inet_pton(AF_INET, buffer, &srcIp);
iptc_add_rule("filter", "INPUT", IPPROTO_TCP, NULL, NULL, srcIp, 0, NULL, NULL, "DROP", NULL, 1);
}
if (location_json != NULL)
free(location_json);
if (area != NULL)
free(area);
}
}
if (fp != NULL)
pclose(fp);
if (fc != NULL)
pclose(fc);
if (t)
free(t);
return 0;
}
static void sig_child(int signo)
{
pid_t pid;
@ -700,7 +77,6 @@ static void sig_child(int signo)
static int get_executable_path(char *processdir, char *processname, int len)
{
char *processname_ptr;
if (readlink("/proc/self/exe", processdir, len) <= 0)
@ -767,13 +143,11 @@ static int get_clamav_log(char *file)
}
while (fgets(buffer, BUFFER, fp) != NULL) {
//printf("%s", buffer);
temp = strstr(buffer, "Infected");
if (temp)
sscanf(temp, "Infected files: %32s", temp);
if (temp != NULL) {
//printf("%s\n", temp);
break;
}
}
@ -884,7 +258,6 @@ static char help_information(void)
int main(int argc, char *argv[], char **env)
{
signal(SIGCHLD, sig_child); // 创建捕捉子进程退出信号
int pid;
@ -992,11 +365,11 @@ int main(int argc, char *argv[], char **env)
//printf("%s", public_ip);
if (0 == strcmp(conf->DAEMON, "on")) {
goto goto_daemon;
goto DAEMON;
}
if (argv[1] != NULL && 0 == strcmp(argv[1], "-d")) {
goto_daemon:
DAEMON:
// 守护进程
if ((pid = fork()) < 0) {
@ -1036,18 +409,40 @@ goto_daemon:
if (-1 == (nice(-20)))
perror("nice");
// 处理Nginx
if (conf->NGINX == 1) {
pid_t pid = fork(); // 创建子进程
if (pid == 0) {
printf("The parent process processes Nginx logs!!!\n");
printf("Nginx process!!!\n");
while (1)
{
nginx_read_log(conf->NGINX_LOG_FILE, conf);
sleep(1);
}
}
}
// 处理SSH
if (conf->IS_BLOCKED == 1) {
pid_t pid = fork(); // 创建子进程
if (pid == 0) {
printf("SSH process!!!\n");
while (1)
{
if (DEBISN_SYSTEM == check_system()) {
rule_(conf, "/var/log/auth.log");
}
if (CENTOS_SYSTEM == check_system()) {
rule_(conf, "/var/log/secure");
}
sleep(1);
}
}
}
// Clamscan
printf("Clamscan process!!!\n");
while (1)
{
// Cron
@ -1113,28 +508,24 @@ goto_daemon:
}
_exit(r);
} else {
int status = 0;
wait(&status); // wait the end of child process
if (WIFEXITED(status)) {
;
//printf("child process return %d\n", WEXITSTATUS(status));
printf("child process return %d\n", WEXITSTATUS(status));
}
sleep(60); // 跳过这一分钟
}
}
}
// 封禁非法IP
rule(conf);
sleep(conf->TIME);
sleep(conf->TIME);
}
} else {
;
}
free(t);
free_conf(conf);
free(conf);

22
rhost.conf
View File

@ -1,47 +1,37 @@
global {
DAEMON = "off"; // on开启后台运行,off不开启(弃用)
TIME = "10"; // 睡眠时间(大于等于1,单位秒)
TIME = "1"; // 睡眠时间(大于等于1,单位秒)
PUBLIC_IP = "http://inet-ip.info"; // 获取公网IP
IS_DISK = 1; // 磁盘使用率(1开启,非1关闭)
DISK_USE = 95; // 任意某块磁盘使用率告警(大于等于1)
DISK_USE = 50; // 任意某块磁盘使用率告警(大于等于1)
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(1开启,非1关闭)
CLAMAV = 1; // clamav 是否扫描病毒(1开启,非1关闭)
CLAMAV_ARG = "-r / --exclude-dir=^/sys|^/dev|^/proc|^/opt/infected|^/root|^/home|^/mnt|^/usr|^/var --move=/opt/infected --max-filesize 1024M -l clamscan.log";
CLAMAV_TIME = "* 45 11 * * *"; // 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(1开启,非1关闭)
IPV4_WHITE_LIST = "1.1.1.1 2.2.2.2 "; // 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)
IP2REGION = 1; // 是否使用本地 ip2region 地址定位库(1使用,非1不使用)
REGION_LIST = "河南 郑州 上海"; // 地域列表(空格隔开)
NGINX = 1; // 是否启用Nginx白名单
NGINX_LOG_FILE= "/usr/local/nginx/logs/access.log"; // Nginx 日志文件
NGINX_REGION_LIST = "中国 河南 郑州 上海"; // 地域列表(空格隔开)
IS_MAIL = 0; // 开启邮件告警(1开启,非1关闭)
#NGINX_LOG_FILE= "/var/log/nginx/access.log"; // Nginx 日志文件
NGINX_LOG_FILE= "/opt/nginx/logs/access.log"; // Nginx 日志文件
NGINX_REGION_LIST = "中国 河南 郑州 上海 内网"; // 地域列表(空格隔开)
IS_DING_WEBHOOK = 1; // 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=396bce0384cded025087cff3c176ea5e9afb9bd8fcaa46d6fa8c51dd172ba513"; // 钉钉WEBHOOK
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"; // 接收者邮箱
}

17
rhost.h
View File

@ -19,7 +19,6 @@
#include "conf.h"
typedef struct now_next_time
{
int now_year;
@ -40,22 +39,17 @@ typedef struct now_next_time
} now_next_time;
#define COLOR_NONE "\033[0m" //表示清除前面设置的格式
#define RED "\033[1;31;40m" //40表示背景色为黑色, 1 表示高亮
#define BLUE "\033[1;34;40m"
#define GREEN "\033[1;32;40m"
#define YELLOW "\033[1;33;40m"
#define CENTOS_SYSTEM 1
#define DEBISN_SYSTEM 2
#define UNKNOWN_SYSTEM 3
#define BUFFER 1024
#define LONG_BUFFER 1024*1000
#define ARGS_NUM 20
#define WHITELIST_IP_NUM 1024
#define BUILD(fmt...) do { fprintf(stderr,"%s %s ",__DATE__,__TIME__); fprintf(stderr, ##fmt); } while(0)
@ -67,18 +61,7 @@ typedef struct now_next_time
#define CENTOS_GE_10 "grep -E \"^$(LC_ALL=\"C\" date \"+%h\").$(LC_ALL=\"C\" date \"+%d\")\" /var/log/secure | grep failure | grep rhost"
#define CENTOS_LE_10 "grep -E \"^$(LC_ALL=\"C\" date \"+%h\")..$(LC_ALL=\"C\" date | awk '{print $3}')\" /var/log/secure | grep failure | grep rhost"
#define QQMAIL "gomail -r %s -s \"System ban IP\" -t \"%s\""
#define QQMAIL_Virus "gomail -r %s -s \"System Virus Infected\" -t \"%s\""
#define QQMAIL_DISK_USE "gomail -r %s -s \"System Disk Use\" -t \"%s\""
#define LOG_FILE "nginx.log"
extern void read_conf(char *filename, conf * configure);
extern void free_conf(conf * conf);
extern void ptintf_conf(conf * conf);
extern void my_printf(const char *format, ...);
extern char *_time();
extern int isregion(char *str, char (*region_list)[WHITELIST_IP_NUM]);
#endif

147
rule.c Normal file
View File

@ -0,0 +1,147 @@
#include "rule.h"
static int Handle_IP(conf *conf, char *ip)
{
char whitelist_ip[WHITELIST_IP_NUM][WHITELIST_IP_NUM] = { { 0 }, { 0 } };
char region_list[WHITELIST_IP_NUM][WHITELIST_IP_NUM] = { { 0 }, { 0 } };
char REGION_LIST_COPY[conf->REGION_LIST_LEN + 1];
char IPV4_WHITE_LIST_COPY[conf->IPV4_WHITE_LIST_LEN + 1];
char *t = _time();
memset(REGION_LIST_COPY, 0, sizeof(REGION_LIST_COPY));
memset(IPV4_WHITE_LIST_COPY, 0, sizeof(IPV4_WHITE_LIST_COPY));
memcpy(REGION_LIST_COPY, conf->REGION_LIST, strlen(conf->REGION_LIST));
memcpy(IPV4_WHITE_LIST_COPY, conf->IPV4_WHITE_LIST, strlen(conf->IPV4_WHITE_LIST));
split_string(IPV4_WHITE_LIST_COPY, " ", whitelist_ip);
split_string(REGION_LIST_COPY, " ", region_list);
// IP白名单
if (conf->IPV4_RESTRICTION == 1) {
if (whitelist(ip, whitelist_ip) == 1) {
printf("%s 白名单IPV4:%s\n", t, ip);
return 3;
}
}
if (show_all_rule(ip) != 0) // 不在防火墙规则表里
{
char *area = NULL;
char *xdb_path = "ip2region.xdb";
if (conf->REGION == 1) {
if (conf->IP2REGION == 1) {
printf("%s Use ip2region !!!\n", t);
if (access(xdb_path, F_OK) == -1) {
xdb_path = "ip2region/ip2region.xdb";
if (access(xdb_path, F_OK) == -1) {
printf("%s ip2region.xdb DOESN'T EXIST!\n", t);
}
}
area = ip2region(xdb_path, ip);
if (area == NULL) {
printf("%s ip2region解析地域错误\n", t);
goto BLOCKED;
}
}
if (isregion(area, region_list) == 1) {
printf(RED "%s Ip Address: %s, 地域白名单: %s\n" COLOR_NONE, t, ip, area);
return 3;
}
}
printf(RED "%s 攻击者IP地址:%s, %s\n" COLOR_NONE, t, ip, area);
BLOCKED:
if (conf->IS_BLOCKED == 1) {
unsigned int srcIp;
inet_pton(AF_INET, ip, &srcIp);
iptc_add_rule("filter", "INPUT", IPPROTO_TCP, NULL, NULL, srcIp, 0, NULL, NULL, "DROP", NULL, 1);
}
if (area != NULL) {
free(area);
}
}
return 0;
}
void extract_rhost_ip(conf *conf, const char *line) {
char *rhost_start = strstr(line, RHOST_KEY);
if (rhost_start) {
rhost_start += strlen(RHOST_KEY); // 移动到rhost=后的字符
char *rhost_end = strpbrk(rhost_start, " \n");
if (rhost_end) {
char ip[64];
strncpy(ip, rhost_start, rhost_end - rhost_start);
ip[rhost_end - rhost_start] = '\0';
Handle_IP(conf, ip);
} else {
;
}
}
}
int rule_(conf *conf, char *LOG_FILE) {
FILE *file;
char buffer[BUFFER_SIZE];
off_t last_size = 0;
struct stat file_stat;
// 打开日志文件
file = fopen(LOG_FILE, "r");
if (file == NULL) {
perror("无法打开日志文件");
return EXIT_FAILURE;
}
// 获取文件初始大小
fseek(file, 0, SEEK_END);
last_size = ftell(file);
while (1) {
// 检查文件是否被轮转
if (stat(LOG_FILE, &file_stat) == -1) {
perror("无法获取文件状态");
fclose(file);
return EXIT_FAILURE;
}
// 如果文件大小小于上次读取的位置，说明文件被轮转了
if (file_stat.st_size < last_size) {
fclose(file);
file = fopen(LOG_FILE, "r");
if (file == NULL) {
perror("无法重新打开日志文件");
return EXIT_FAILURE;
}
last_size = 0;
}
// 移动到上次读取的位置
fseek(file, last_size, SEEK_SET);
// 逐行读取新增的日志内容
while (fgets(buffer, sizeof(buffer), file) != NULL) {
extract_rhost_ip(conf, buffer);
}
// 记录当前文件大小
last_size = ftell(file);
// 暂停一段时间然后继续检查文件变化
sleep(1);
}
// 关闭文件
fclose(file);
return EXIT_SUCCESS;
}

26
rule.h Normal file
View File

@ -0,0 +1,26 @@
#ifndef RULE_H
#define RULE_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "rhost.h"
#include "conf.h"
#include "common.h"
#include "libiptc.h"
#include "ip2region/ip2region.h"
#define RHOST_KEY "rhost="
#define BUFFER_SIZE 1024
#define WHITELIST_IP_NUM 1024
extern int rule_(conf *conf, char *LOG_FILE);
#endif

136
warning.c Normal file
View File

@ -0,0 +1,136 @@
#include "warning.h"
// 钉钉告警
int dingding_warning(char *illegal_ip, char *public_ip, char *ip, conf *conf)
{
FILE *fp;
char temp[64];
char jsonObj[BUFFER];
memset(jsonObj, 0, BUFFER);
memset(temp, 0, 64);
strcpy(temp, public_ip);
temp[_strlen(public_ip) - 1] = '\0';
if ((fp = fopen("libcurl.log", "wt+")) == NULL) {
return 1;
}
CURL *curl;
CURLcode res;
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if (curl == NULL) {
fclose(fp);
return 1;
}
#define JSIN "{ \
\"msgtype\": \"text\", \
\"text\": { \
\"content\": \"Alert @%s 服务器地址:%s，封禁非法入侵主机:(%s%s)\" \
}, \
\"at\": { \
\"atMobiles\": [\"%s\"], \
\"isAtAll\": false \
} \
}"
snprintf(jsonObj, BUFFER, JSIN, conf->PHONE, temp, ip, illegal_ip, conf->PHONE);
printf("%s\n", jsonObj);
struct curl_slist *headers = NULL;
headers = curl_slist_append(headers, "Accept: application/json");
headers = curl_slist_append(headers, "Content-Type: application/json");
headers = curl_slist_append(headers, "charset: utf-8");
curl_easy_setopt(curl, CURLOPT_URL, conf->DING_WEBHOOK);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
curl_easy_setopt(curl, CURLOPT_POST, 1);
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, jsonObj);
curl_easy_setopt(curl, CURLOPT_USERAGENT, "libcurl/0.1");
curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
curl_global_cleanup();
fclose(fp);
return res;
}
// 邮件告警
int mail_warning(char *illegal_ip, char *public_ip, char *ip, conf *conf)
{
FILE *fp = NULL;
char buff[BUFFER];
char text[BUFFER];
char temp[64];
memset(buff, 0, BUFFER);
memset(text, 0, BUFFER);
memset(temp, 0, 64);
strcpy(temp, public_ip);
temp[_strlen(public_ip) - 1] = '\0';
snprintf(text, BUFFER, "echo \"主机:%s, 禁止(%s%s)访问\" | mail -s \"System ban IP\" %s", temp, ip, illegal_ip, conf->RECV_MAIL);
if (NULL == (fp = popen(text, "r"))) {
perror("popen text");
}
while (fgets(buff, BUFFER, fp) != NULL) {
buff[_strlen(buff) - 1] = '\0';
}
if (NULL != fp)
pclose(fp);
return 0;
}
// 第三方邮箱告警
int QQ_mail_warning(char *illegal_ip, char *public_ip, char *ip, conf *conf)
{
char string[BUFFER + (sizeof(QQMAIL)) + 1];
char text[BUFFER];
char temp[32];
memset(string, 0, BUFFER + (sizeof(QQMAIL)) + 1);
memset(text, 0, BUFFER);
memset(temp, 0, 32);
strcpy(temp, public_ip);
temp[_strlen(public_ip) - 1] = '\0';
snprintf(text, BUFFER, "主机:%s, 禁止(%s%s)访问!", temp, ip, illegal_ip);
snprintf(string, BUFFER + (sizeof(QQMAIL)) + 1, QQMAIL, conf->RECV_MAIL, text);
return system(string);
}
// 第三方邮箱告警, 感染病毒邮件提醒
int QQ_mail_warning_Virus_files(char *local_ip, int Virus_number, conf *conf)
{
char *command;
char *text;
char temp[32];
command = (char *)alloca(BUFFER + (sizeof(QQMAIL)) + 1);
text = (char *)alloca(BUFFER);
memset(command, 0, BUFFER + (sizeof(QQMAIL)) + 1);
memset(text, 0, BUFFER);
memset(temp, 0, 32);
strcpy(temp, local_ip);
temp[_strlen(local_ip) - 1] = '\0';
snprintf(text, BUFFER, "Host:%s, Infected files: %d, Please handle!", temp, Virus_number);
snprintf(command, BUFFER + BUFFER + (sizeof(QQMAIL)) + 1, QQMAIL_Virus, conf->RECV_MAIL, text);
return system(command);
}

32
warning.h Normal file
View File

@ -0,0 +1,32 @@
#ifndef WARNING_H
#define WARNING_H
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <time.h>
#include <signal.h>
#include <sys/wait.h>
#include <curl/curl.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <assert.h>
#include <limits.h>
#include <stdarg.h>
#include "common.h"
#include "conf.h"
#define BUFFER 1024
#define QQMAIL "gomail -r %s -s \"System ban IP\" -t \"%s\""
#define QQMAIL_Virus "gomail -r %s -s \"System Virus Infected\" -t \"%s\""
#define QQMAIL_DISK_USE "gomail -r %s -s \"System Disk Use\" -t \"%s\""
extern int dingding_warning(char *illegal_ip, char *public_ip, char *ip, conf *conf);
extern int mail_warning(char *illegal_ip, char *public_ip, char *ip, conf *conf);
extern int QQ_mail_warning(char *illegal_ip, char *public_ip, char *ip, conf *conf);
extern int QQ_mail_warning_Virus_files(char *local_ip, int Virus_number, conf *conf);
#endif