compiling less to css from classic asp / vbscript

Question

I'm trying to get classic asp / vbscript to run a less compiler (https://github.com/duncansmart/less.js-windows). Running the exact command from a real cmd prompt on the server works fine. So it's going to be one of those permissiony type things. My server is Win2003 x86 / IIS6.

<%
' foo.asp

outpath = "c:\inetpub\wwwroot\site\less"
cmd = "c:\less.js-windows-v1.6.2\lessc.cmd"
Set Shell = server.createobject("WScript.Shell")
nodeCommand = cmd & " " & outPath & "\app.less " & outPath & "\app.css"
errCode = Shell.Run(nodeCommand, 0, True)
' errcode = 1

%>

foo.asp is running somewhere on the web server, anonymously.

cmd.exe has had iusr_server added so that it has read and execute permission.

c:\less.js-windows-v1.6.2 has had iusr_server added with read/execute as well.

I've granted everyone permission to modify files in side c:\inetpub\wwwroot\site\less to make sure it's not a permission thing.

I have tried modifying my command to include CMD /C ahead of the command file name.

Try throwing your code into a VBS file and running it on your web server, just to rule out anything code-related. — Bond
– Bond, Commented Mar 26, 2014 at 13:42
You might find this helpful How do I execute a DOS command / batch file / exe from ASP? — user692942
– user692942, Commented Mar 26, 2014 at 16:54
@Lankymart: I've tried pretty much all that already. I know it's permission related. It seems to be that I'm running a .cmd file as opposed to an exe or bat. @Bond: this works fine outside IIS. It must be permission related, but I have granted IUSR exe rights on cmd.exe and the less app and the location being written to. — frumbert
– frumbert, Commented Mar 26, 2014 at 22:06
@frumbert If it is permissions you should be getting some HTTP 500 Internal Server Error useless your error pages are not configured correctly for 500-100.asp. — user692942
– user692942, Commented Mar 26, 2014 at 22:11
@frumbert Hi, sorry to add to the "have you tried" list. But have you tried ShellExecute, it forces security elevation of the program. objShell.ShellExecute "cmd.exe", "/k echo test", "", "runas", 1 — Rich
– Rich, Commented Mar 26, 2014 at 22:32

2 revs · Accepted Answer · 2014-11-05 22:02:38Z

0

Use the following process:

Stop the server
Change relative paths to full paths for all files
Reconfigure the IUSR to be you
Restart the server

edited Nov 5, 2014 at 22:02

community wiki

2 revs
Paul Sweatte

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1 Comment

frumbert Over a year ago

They are full paths already, including the references inside the cmd files being executed. I guess I could have configured IUSR to be me since the script runs interactively it (ps you linked to doco for iis7, not iis6). Solution seems to be create a new user with the perimissions on those items and used it in place of the anonymous user ... seems like a kludge, but then again this is IIS.

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