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Top Forums Shell Programming and Scripting Run system command in perl cgi Post 302298814 by polki on Wednesday 18th of March 2009 04:54:47 PM
Old 03-18-2009
Ok, seems like now the problem shifted a bit. After trying sudo from within perl, the auth-logfile showed this line:
Quote:
Mar 18 21:41:58 Debian sudo: pam_unix(sudo:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost= user=www-data
So from root i su'ed to ww-data and tried entering the command directly from within the command line. Result is this in auth.log:
Quote:
Mar 18 21:43:01 Debian sudo: pam_unix(sudo:auth): conversation failed
Mar 18 21:43:01 Debian sudo: pam_unix(sudo:auth): auth could not identify password for [www-data]
Mar 18 21:43:01 Debian sudo: www-data : pam_authenticate: Kommunikationsfehler ; TTY=pts/0 ; PWD=/var/log ; USER=<my desired user> ; COMMAND=<my desired command>
"Kommunikationsfehler" would mean something like communication failure or conversation failure in english.

Now I don't know how to continue at all. I just don't know Linux quite this well. Anybody got me ideas?
 

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PAM_LOGINUID(8) 						 Linux-PAM Manual						   PAM_LOGINUID(8)

NAME
pam_loginuid - Record user's login uid to the process attribute SYNOPSIS
pam_loginuid.so [require_auditd] DESCRIPTION
The pam_loginuid module sets the loginuid process attribute for the process that was authenticated. This is necessary for applications to be correctly audited. This PAM module should only be used for entry point applications like: login, sshd, gdm, vsftpd, crond and atd. There are probably other entry point applications besides these. You should not use it for applications like sudo or su as that defeats the purpose by changing the loginuid to the account they just switched to. OPTIONS
require_auditd This option, when given, will cause this module to query the audit daemon status and deny logins if it is not running. MODULE TYPES PROVIDED
Only the session module type is provided. RETURN VALUES
PAM_SESSION_ERR An error occurred during session management. EXAMPLES
#%PAM-1.0 auth required pam_unix.so auth required pam_nologin.so account required pam_unix.so password required pam_unix.so session required pam_unix.so session required pam_loginuid.so SEE ALSO
pam.conf(5), pam.d(5), pam(8), auditctl(8), auditd(8) AUTHOR
pam_loginuid was written by Steve Grubb <sgrubb@redhat.com> Linux-PAM Manual 09/19/2013 PAM_LOGINUID(8)
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