Add VHOST support to full_uri

[wvu]

msf5 exploit(unix/webapp/drupal_drupalgeddon2) > options

Module options (exploit/unix/webapp/drupal_drupalgeddon2):

   Name         Current Setting  Required  Description
   ----         ---------------  --------  -----------
   DUMP_OUTPUT  false            no        Dump payload command output
   PHP_FUNC     passthru         yes       PHP function to execute
   Proxies                       no        A proxy chain of format type:host:port[,type:host:port][...]
   RHOSTS       ::1              yes       The target address range or CIDR identifier
   RPORT        8443             yes       The target port (TCP)
   SSL          true             no        Negotiate SSL/TLS for outgoing connections
   TARGETURI    /drupal          yes       Path to Drupal install
   VHOST        localhost        no        HTTP server virtual host


Exploit target:

   Id  Name
   --  ----
   0   Automatic (PHP In-Memory)


msf5 exploit(unix/webapp/drupal_drupalgeddon2) > pry
[*] Starting Pry shell...
[*] You are in exploit/unix/webapp/drupal_drupalgeddon2

[1] pry(#<Msf::Modules::Exploit__Unix__Webapp__Drupal_drupalgeddon2::MetasploitModule>)> full_uri
=> "https://[::1]:8443/drupal"
[2] pry(#<Msf::Modules::Exploit__Unix__Webapp__Drupal_drupalgeddon2::MetasploitModule>)> full_uri(vhost_uri: true)
=> "https://localhost:8443/drupal"
[3] pry(#<Msf::Modules::Exploit__Unix__Webapp__Drupal_drupalgeddon2::MetasploitModule>)>

For #11481. Cf. #7905 (comment) and #9285.

[busterb]

LGTM, doesn't change any existing users.

[wvu]

Release Notes

This adds the vhost_uri keyword argument to the full_uri method in the HttpClient library, providing developers with a means to display the VHOST instead of the RHOST in the output returned by full_uri.