From afc1b2e97e789f1d57f1853143ad5f9837955e93 Mon Sep 17 00:00:00 2001
From: flykhan <liubo666666@outlook.com>
Date: Thu, 21 Sep 2023 16:15:24 +0800
Subject: [PATCH] =?UTF-8?q?=E9=BB=91=E5=90=8D=E5=8D=95=E6=95=B0=E6=8D=AE?=
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MIME-Version: 1.0
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---
 router/router   | Bin 24592 -> 0 bytes
 router/router.c |  55 ++++++++++++++++++++++++++++++++++++------------
 2 files changed, 41 insertions(+), 14 deletions(-)
 delete mode 100755 router/router

diff --git a/router/router b/router/router
deleted file mode 100755
index e6af7f8048ab7a32016adef6b0ef211a9a7273c6..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/router/router.c b/router/router.c
index 9b1e3a7..cfb5d14 100644
--- a/router/router.c
+++ b/router/router.c
@@ -113,7 +113,7 @@ int is_ip_valid(const char *ip)
 
     // 编译正则表达式
     // /^((\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])\.){3}(\d|[1-9]\d|1\d\d|2[0-4]\d|25[0-5])(?::(?:[0-9]|[1-9][0-9]{1,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5]))?$/
-    ret = regcomp(&regex, "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$", REG_EXTENDED); // REG_EXTENDED 扩展正则表达式
+    ret = regcomp(&regex, "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$", REG_EXTENDED); // REG_EXTENDED 扩展正则表达式
     if (ret != 0)
     {
         printf("regcomp error\n");
@@ -171,6 +171,18 @@ void menu_choice()
                 continue;
             }
 
+            // 查询数据库黑名单IP表中是否已存在此IP
+            char search_ip_fw_sql[1024];
+            sprintf(search_ip_fw_sql, "select * from ip_fw where ip = '%s'", add_blacked_ip);
+            int ret = result_rows(search_ip_fw_sql);
+            printf("查询结果为%d\n", ret);
+
+            if (ret > 0)
+            {
+                printf("黑名单中已存在此IP\n");
+                continue;
+            }
+
             // 将IP地址加入黑名单
             MYSQL_BIND parmas[1];
             parmas[0].buffer_type = MYSQL_TYPE_STRING;
@@ -205,7 +217,7 @@ void menu_choice()
             printf("请输入要删除的黑名单IP：格式如 192.168.6.5\n");
             fgets(delete_blacked_ip, sizeof(delete_blacked_ip), stdin);
             delete_blacked_ip[strlen(delete_blacked_ip) - 1] = '\0'; // 将最后的换行符替换为字符串结束符
-            printf("delete_blacked_ip: %s\n", delete_blacked_ip);
+
             // IP 格式检查
             if (is_ip_valid(delete_blacked_ip) != 0)
             {
@@ -213,22 +225,37 @@ void menu_choice()
                 continue;
             }
 
-            // 将IP地址从黑名单中删除
-            MYSQL_BIND parmas[1];
-            parmas[0].buffer_type = MYSQL_TYPE_STRING;
-            parmas[0].buffer = delete_blacked_ip;
-            parmas[0].buffer_length = strlen(delete_blacked_ip);
-            parmas[0].is_null = 0;
-            parmas[0].length = &parmas[0].buffer_length;
-            const char *delete_ip_fw_sql = "delete from ip_fw where ip = ?";
-            int result = delete (delete_ip_fw_sql, parmas);
-            if (result > 0)
+            // 查询数据库黑名单IP表中是否已存在此IP
+            char search_ip_fw_sql[1024];
+            sprintf(search_ip_fw_sql, "select * from ip_fw where ip = '%s'", delete_blacked_ip);
+            int ret = result_rows(search_ip_fw_sql);
+            printf("查询结果为%d\n", ret);
+
+            if (ret > 0)
             {
-                printf("黑名单删除成功\n");
+                printf("delete_blacked_ip: %s\n", delete_blacked_ip);
+
+                // 将IP地址从黑名单中删除
+                MYSQL_BIND parmas[1];
+                parmas[0].buffer_type = MYSQL_TYPE_STRING;
+                parmas[0].buffer = delete_blacked_ip;
+                parmas[0].buffer_length = strlen(delete_blacked_ip);
+                parmas[0].is_null = 0;
+                parmas[0].length = &parmas[0].buffer_length;
+                const char *delete_ip_fw_sql = "delete from ip_fw where ip = ?";
+                int result = delete (delete_ip_fw_sql, parmas);
+                if (result > 0)
+                {
+                    printf("黑名单删除成功\n");
+                }
+                else
+                {
+                    printf("黑名单删除失败\n");
+                }
             }
             else
             {
-                printf("黑名单删除失败\n");
+                printf("黑名单中不存在此IP\n");
             }
         }