删除文件 www/cgi-bin/c_mysql_user&pwd.c

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wang_chengh 2023-09-19 10:55:00 +00:00 committed by Gitee
parent c6d43162ff
commit 6ddf43be4c
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1 changed files with 0 additions and 118 deletions

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#include <cjson/cJSON.h>
#include <fcntl.h>
#include <mysql/mysql.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
int main() {
// 连接到 MySQL 数据库
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);
}
if (mysql_query(conn,
"CREATE DATABASE if NOT EXISTS router;"
"CREATE TABLE IF NOT EXISTS users(id INT AUTO_INCREMENT "
"PRIMARY KEY "
"username VARCHAR(50) NOT NULL, password VARCHAR(255) NOT "
"NULL);")) {
fprintf(stderr, "CREATE TABLE query failed. Error: %s\n",
mysql_error(conn));
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);
if (p == NULL) {
fprintf(stderr, "Error parsing JSON data\n");
mysql_close(conn);
return 1;
}
// 获取用户名和密码
cJSON *user = cJSON_GetObjectItemCaseSensitive(p, "user");
cJSON *pwd = cJSON_GetObjectItemCaseSensitive(p, "pwd");
if (user == NULL || pwd == NULL || !cJSON_IsString(user) ||
!cJSON_IsString(pwd)) {
fprintf(stderr,
"Error getting username and/or password from JSON data\n");
cJSON_Delete(p);
mysql_close(conn);
return 1;
}
char *username_from_frontend = user->valuestring;
char *password_from_frontend = pwd->valuestring;
// 构建查询语句
char query[1000];
sprintf(query, "SELECT * FROM users WHERE username='%s' AND password='%s'",
username_from_frontend, password_from_frontend);
if (mysql_query(conn, query)) {
fprintf(stderr, "SELECT query failed. Error: %s\n", mysql_error(conn));
cJSON_Delete(p);
mysql_close(conn);
return 1;
}
res = mysql_store_result(conn);
if (res == NULL) {
fprintf(stderr, "mysql_store_result() failed\n");
cJSON_Delete(p);
mysql_close(conn);
return 1;
}
// cJSON *result_json = cJSON_CreateObject();
// 输出 JSON 结果
printf("content-type: application/json;charset=utf-8\r\n");
printf("\r\n");
if ((row = mysql_fetch_row(res))) {
// cJSON_AddNumberToObject(result_json, "code", 0);
printf(
"{\"code\": 0, \"data\": {\"user_id\": 111, \"nickName\": "
"\"老狄\"}}");
} else {
printf("{\"code\": 1, \"msg\": \"用户名或口令错误\"}");
// cJSON_AddNumberToObject(result_json, "code", 1);
// cJSON_AddStringToObject(result_json, "msg", "用户名或口令错误");
}
// char *result_json_string = cJSON_Print(result_json);
// printf("%s\n", result_json_string);
// free(result_json_string);
// cJSON_Delete(result_json);
cJSON_Delete(p);
mysql_free_result(res);
mysql_close(conn);
return 0;
}