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发表于 2009-10-23 15:49 |只看该作者 |倒序浏览

我在开发板上移植好boa后,想测试CGI程序.

我的CGI程序:

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <string.h>

#define IOCTL_LED_ON 0
#define IOCTL_LED_OFF  1
#define MAX_ARG       150

int main(void)
{
      unsigned int led_no;
      int fd = -1;

      char *buf = getenv("QUERY_STRING");
      if (buf == NULL)
            return -1;
      char para1[MAX_ARG], para2[MAX_ARG];
      char value1[MAX_ARG], value2[MAX_ARG];

      char *p = strchr(buf, '&');
      *p = '\0';
      strcpy(para1, buf);
      strcpy(para2, p + 1);

      p = strchr(para1, '=');
      *p = '\0';
      strcpy(value1, p + 1);

      p = strchr(para2, '=');
      *p = '\0';
      strcpy(value2, p + 1);

      int num, status;

      num = atoi(value1);
      status = atoi(value2);
      fd = open("/dev/mini2440_led", 0);
      if (fd < 0)
      {
            return -1;
      }


      if ((num - 1) > 3)
      {
            goto err;
      }

      ioctl(fd, status, num);

      close(fd);

      return 0;

err:
      if (fd > 0)
            close(fd);
      return -1;

}

我网页中的 form

<html>
<head> <title>LED Control </title> </head>
<body>
<h1>This is my first web program </h1>
<img align="middle" src="success.jpg">
<br>
<br>
<form method="GET" action="/cgi-bin/led">
<h2>Input led number: </h2>
NO.: <input type=text name=no> <br>
<h3>(Notice!! the number is: 1-6) </h3> <br>
Status: <input type=text name=status>
<h3>Notice!!(1: on, 0: off) </h3> <br>
<p align="center"> <input type=submit value="  确定">
</form>
<p align="center">
</body>
</html>

提交数据后, 参数应该是 "no=xx&status=xxx"
我在CGI程序中,用getenv("QUERY_STRING");获取参数,不知这样做对不对?

结果网页提交数据后出现以下错误:
502 Bad Gateway
The CGI was not CGI/1.1 compliant.

我CGI的makefile
CC = /usr/local/arm/3.4.1/bin/arm-linux-gcc
test_led : test_led.c
      $(CC) test_led.c -o test_led

请问我这样做对不对,不对该怎么样改,才能通过网页传递参数给CGI程序?