From 63a5ee43c4662586af0f4fb002f4477b80e5d4d2 Mon Sep 17 00:00:00 2001
From: aixiao <aixiao@aixiao.me>
Date: Mon, 14 Nov 2022 16:07:49 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20char=20*remove=5Fspace(con?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md                               |  49 ++++++++++++++----------
 clamscan/shared/linux/cert_util_linux.o | Bin 38600 -> 38656 bytes
 libiptc.c                               |   5 +++
 rhost.c                                 |  29 ++++++++------
 4 files changed, 51 insertions(+), 32 deletions(-)

diff --git a/README.md b/README.md
index 2c512d8..e7c7c51 100644
--- a/README.md
+++ b/README.md
@@ -1,26 +1,46 @@
 # denyhosts
-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  
-支持系统病毒扫描  
-
+- 拒绝主机&杀毒  
 ```
-Debian系统请安装libcurl、iptables-devel、libclamav-dev   
+适用系统:
+    Debian 8、9、11  
+    Centos 7
+支持系统病毒扫描  
+支持一次运行检测、后台运行检测  
+支持钉钉告警和邮件告  
+支持第三方QQ邮箱告警  
+```
+```
+Debian
     apt install libclamav-dev  libip4tc-dev libcurl4-openssl-dev    #(或者libcurl4-gnutls-dev)  
     apt install libsystemd-dev libjson-c-dev libpcre2-dev clamav-freshclam
     freshclam  # 更新病毒库(必要)
+    
+
+    Debian系统使用libiptc库需要nftables切换到iptables
+    Switching to the legacy version:(切换到 iptables)
+    update-alternatives --set iptables /usr/sbin/iptables-legacy
+    update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
+    update-alternatives --set arptables /usr/sbin/arptables-legacy
+    update-alternatives --set ebtables /usr/sbin/ebtables-legacy
 ```
 
 ```
-Centos 7系统请安装libcurl、iptables-devel、libclamav-devel  
-    yum install clamav clamav-update clamav-lib  clamav-devel json-c-devel pcre2-devel
+Centos 7
+    yum install clamav clamav-update clamav-lib clamav-devel json-c-devel pcre2-devel
     yum install iptables-devel libcurl-devel 
     yum install systemd-devel libtool-ltdl-devel  
+    
+    yum -y install centos-release-scl
+    yum -y install devtoolset-11-gcc
+    source /opt/rh/devtoolset-11/enable                                 #临时
+    echo "source /opt/rh/devtoolset-11/enable" >> /etc/profile          #永久
     freshclam  # 更新病毒库(必要)
+    
 ```
 
 
+
+
 ```
 用法
 cd /root
@@ -43,17 +63,6 @@ killall rhost
 ```
 
 
-```
-Debian系统使用libiptc库需要nftables切换到iptables
-Switching to the legacy version:(切换到 iptables)
-
-update-alternatives --set iptables /usr/sbin/iptables-legacy
-update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
-update-alternatives --set arptables /usr/sbin/arptables-legacy
-update-alternatives --set ebtables /usr/sbin/ebtables-legacy
-```
-
-
 ```
 配置文件
 global {
diff --git a/clamscan/shared/linux/cert_util_linux.o b/clamscan/shared/linux/cert_util_linux.o
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diff --git a/libiptc.c b/libiptc.c
index b39324e..3a98df9 100644
--- a/libiptc.c
+++ b/libiptc.c
@@ -33,6 +33,11 @@ int show_all_rule(char *ipv4)
     struct ipt_counters counter;
 
     handle = iptc_init("filter");
+    
+    if ( !handle ) {
+        printf("Error initializing: %s\n", iptc_strerror(errno));
+        exit(errno);
+    }
 
     for (chain = iptc_first_chain(handle); chain; chain = iptc_next_chain(handle)) {
         if (chain != NULL && handle != NULL) {
diff --git a/rhost.c b/rhost.c
index 2adc32c..25b588b 100644
--- a/rhost.c
+++ b/rhost.c
@@ -87,7 +87,8 @@ int check_system()
     if (0 == access("/etc/debian_version", F_OK))
     {
         return DEBISN_SYSTEM;
-    } else if (0 == access("/etc/centos-release", F_OK))
+    }
+    else if (0 == access("/etc/centos-release", F_OK))
     {
         return CENTOS_SYSTEM;
     }
@@ -265,10 +266,10 @@ char *remove_space(const char *str)
         return '\0';
     }
 
-    strRet = (char *)malloc(uLen + 1);
-    memset(strRet, 0, uLen + 1);
+    strRet = (char *)malloc(uLen + 2);
+    memset(strRet, 0, uLen + 2);
 
-    for (i = 0; i < uLen + 1; i++)
+    for (i = 0; i < uLen; i++)
     {
         if (str[i] != ' ')
         {
@@ -419,6 +420,7 @@ int rule(conf * conf)
                 memset(temp, 0, BUFFER);
                 memcpy(temp, p + 12, p1 - p - 12);
                 location = remove_space(temp);
+                printf("%s\n", location );
             }
 
             memset(iplocation, 0, BUFFER);
@@ -427,9 +429,11 @@ int rule(conf * conf)
             strcat(iplocation, location);
             strcat(iplocation, ")");
             
-            if (location)
+            printf("%s\n", iplocation );
+            
+            if (location != NULL)
                 free(location);
-            if (location_json)
+            if (location_json != NULL)
                 free(location_json);
             
             // 地域白名单
@@ -515,11 +519,12 @@ int process_argv(int argc, char *argv[], char **argvs)
 {
     argvs[0] = argv[0];
     int i;
+    int j;
     for (i = 0; i <= argc - 1; i++)
     {
         if (i == 1)
         {
-            for (int j = i; j <= argc - 2; j++)
+            for (j = i; j <= argc - 2; j++)
             {
                 argvs[j] = argv[j + 1];
             }
@@ -578,6 +583,7 @@ 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;
+    int i;
     
     // 读取配置
     char path[BUFFER] = { 0 };
@@ -607,7 +613,7 @@ int main(int argc, char *argv[], char **env)
     {
         argvs[0] = argv[0];
         split_string(conf->CLAMAV_ARG, " ", args);
-        for (int i=1; i<ARGS_NUM; i++)
+        for (i=1; i<ARGS_NUM; i++)
         {
             if (args[i][0] == '\0')
             {
@@ -659,7 +665,7 @@ goto_daemon:
         if ((pid = fork()) < 0) {
             return 0;
         } else if (0 != pid) {
-            for(int i=1; i<head_argc; i++)
+            for(i=1; i<head_argc; i++)
             {
                 if (head_argvs[i])
                     free(head_argvs[i]);
@@ -679,7 +685,7 @@ goto_daemon:
         if ((pid = fork()) < 0) {
             return 0;
         } else if (0 != pid) {
-            for(int i=1; i<head_argc; i++)
+            for(i=1; i<head_argc; i++)
             {
                 if (head_argvs[i])
                     free(head_argvs[i]);
@@ -770,8 +776,7 @@ goto_daemon:
     free_conf(conf);
     free(conf);
     free(public_ip);
-    
-    for(int i=1; i<head_argc; i++)
+    for(i=1; i<head_argc; i++)
     {
         //printf("%s  %d\n", head_argvs[i], i);
         if (head_argvs[i])