php Curl登录问题

Question

I'm really amateur to php curl. I would like to know how to login to a site with form like:

<form method="post" action="/log.php">
  <input type="hidden" name="sessionid" value="a49e4ebb5b71d0745573d37331bfc2cb2880" />Username: 
  <input type="text" name="user" />Password: 
  <input type="password" name="pass" />
  <input type="submit" name="submit" value="Log in" />
</form>

Here you can see a fieldname called "sessionid". It just keeps on changing in every reload. So when i try to login with the curl, it says 'Invalid Session'. So can anyone please help me?

Answer 1

This behaviour is absolutely normal.

Your autologin process can be explained this way :

Your problem is at the step 4 : you cannot set a cookie for another domain.

• Your website www.autologin.com has the domain autologin.com

• The target website www.protected-site.com has the domain protected-site.com

If you try to set a cookie from www.autologin.com to the domain protected-site.com, your browser will ignore it.

Answer 2

Your cURL script should perform his own Login with user and password. There are several Methods (Basic, NTLM, ...) supported by cURL. Further, cURL can handle its own cookies using a cookie jar.

Answer 3

But once i found a blog where it's admin made a facebook status updater script with curl and i missed it. Facebook is having session ids right? But how did he managed to do that?