minor patch to smbspool.c

[rick]

Under a network using win9x printers where the printer does not require a
username/password to connect, any jobs sent to the win9x print spool shows
as

document	status	owner		progress	started at
untitled					xxxk/xxxk	mm/dd/yy  hh:mm:ss

when there are a lot of jobs and a user decides to cancel, it is nearly
impossible to cancel the correct job. The use instructions for smbspool
recommend:

smbspool smb://server/spooler title user comment copies options filename

by modifying the smbspool.c program slightly, it is possible to send the
"user" field from the command line if a username or username/password is not
specified in the printer address.

I have tried this change and gotten the desired results
***************
*** 152,158 ****
    }
    else
    {
!     username = "";
      password = "";
      server   = uri + 6;
    }
--- 152,162 ----
    }
    else
    {
!     if (strlen(argv[2]) > 0) {
!        username = argv[2];
!     }
!     else
!        username = "";
      password = "";
      server   = uri + 6;


It may be desirable to perform more security checks on the argv[2] option
before using it (more than just ensuring there is something there - possibly
only pull the first 8-16 characters, etc)

Is this an option that other users would find useful?
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