Well, I can honestly say I had not thought of doing it that way. I will
keep that as an option. Thanks.
Jonathan
On Thu, 2 Dec 2004, Gryffyn, Trevor wrote:
If it's a un*x system and you have permissions to connect to the SMTP
server, you could use the VRFY command to check to see if their email
address exists or not maybe:
Example of Verifying a User Name
Either
S: VRFY Smith
R: 250 Fred Smith <[EMAIL PROTECTED]>
Or
S: VRFY Smith
R: 251 User not local; will forward to <[EMAIL PROTECTED]>
Or
S: VRFY Jones
R: 550 String does not match anything.
Or
S: VRFY Jones
R: 551 User not local; please try <[EMAIL PROTECTED]>
Or
S: VRFY Gourzenkyinplatz
R: 553 User ambiguous.
(examples taken from: http://www.ietf.org/rfc/rfc0821.txt Page 8)
Just a thought.
-TG
-----Original Message-----
From: news.php.net [mailto:[EMAIL PROTECTED]
Sent: Wednesday, December 01, 2004 7:57 PM
To: [EMAIL PROTECTED]
Subject: [PHP] Page that checks if a user exists on a remote system
I have two servers: ServerA and ServerB. One server serves
web pages, the
other serves mail. I am making a web page on ServerA that
will access
ServerB to find out if a users exists and if not then add
that user to
ServerB with information collected from the web page on ServerA.
I have this in a php file:
$idResults = `ssh [EMAIL PROTECTED] id bigbob 2>&1`;
echo "id: (".$idResults.")\r\n"."\r\n";
if (ereg("no such user", $idResults)) {
echo 'username is available!';
}
When I access the page I get:
Could not create directory '/nonexistent/.ssh'.
Host key verification failed.
This, of course, is because the script is being run as "www"
who has no
place to put ssl keys.
Could this be solved by having "www" "su" to a user who has
remote access
privileges? Something like this:
$idResults = `su admin | ssh [EMAIL PROTECTED] id bigbob 2>&1`;
echo "id: (".$idResults.")\r\n"."\r\n";
if (ereg("no such user", $idResults)) {
echo 'username is available!';
// function addUserToServerB(vars);
}
Anyone else doing or done something like this?
Thanks,
--
Jonathan Duncan
http://www.nacnud.com
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