上传实现防火墙添加删除代码

www/cgi-bin/c_mysql_ip_fw_add_del.c

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+#include <cjson/cJSON.h>
+#include <mysql/mysql.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main() {
+    MYSQL *conn;
+    MYSQL_RES *res;
+    MYSQL_ROW row;
+
+    conn = mysql_init(NULL);
+    if (conn == NULL) {
+        fprintf(stderr, "mysql_init() failed\n");
+        exit(1);
+    }
+
+    if (mysql_real_connect(conn, "localhost", "root", "root", "router", 3306,
+                           NULL, 0) == NULL) {
+        fprintf(stderr, "mysql_real_connect() failed\n");
+        mysql_close(conn);
+        exit(1);
+    }
+
+    // 获取前端传递的JSON数据
+    char request_data[128] = "";
+    fgets(request_data, 128, stdin);
+
+    // 解析JSON数据
+    cJSON *p = cJSON_Parse(request_data);
+    cJSON *code = cJSON_GetObjectItemCaseSensitive(p, "code");
+    cJSON *ip = cJSON_GetObjectItemCaseSensitive(p, "ip");
+
+    if (!cJSON_IsNumber(code) || !cJSON_IsString(ip)) {
+        fprintf(stderr, "Error getting code or IP address from JSON data\n");
+        cJSON_Delete(p);
+        mysql_close(conn);
+        exit(1);
+    }
+
+    int operation_code = code->valueint;
+    char *ip_address = ip->valuestring;
+
+    if (operation_code == 0) {
+        // 插入IP地址到数据库
+        char query[1000];
+        sprintf(query, "INSERT INTO ip_fw (ip) VALUES ('%s')", ip_address);
+
+        if (mysql_query(conn, query)) {
+            fprintf(stderr, "INSERT query failed. Error: %s\n",
+                    mysql_error(conn));
+            cJSON_Delete(p);
+            mysql_close(conn);
+            exit(1);
+        }
+    } else if (operation_code == 1) {
+        // 从数据库中删除指定IP地址
+        char query[1000];
+        sprintf(query, "DELETE FROM ip_fw WHERE ip='%s'", ip_address);
+
+        if (mysql_query(conn, query)) {
+            fprintf(stderr, "DELETE query failed. Error: %s\n",
+                    mysql_error(conn));
+            cJSON_Delete(p);
+            mysql_close(conn);
+            exit(1);
+        }
+    } else {
+        fprintf(stderr, "Invalid operation code\n");
+        cJSON_Delete(p);
+        mysql_close(conn);
+        exit(1);
+    }
+
+    cJSON_Delete(p);
+
+    printf("Content-Type: application/json;charset=utf-8\r\n");
+    printf("\r\n");
+    printf("{\"status\": \"success\"}");
+
+    mysql_close(conn);
+
+    return 0;
+}