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Shell Programming and Scripting
How To Read A File Remotely Without A Password?
Post 302174884 by Korn0474 on Wednesday 12th of March 2008 11:55:51 AM
03-12-2008
How To Read A File Remotely Without A Password?
Many thanks to anyone who can help me solve this problem I am having:
I am working on an HP-UX system version B.11.11 and I have been tasked with finding a way to read a file on a remote server (cat, grep, etc.) using a specific userID without copying it or moving it to the local machine.
But, it has to be done automatically as part of a ksh script. That means it cannot stop and ask for a password which is something that REMSH or REXEC seem to require even after I added the user to the .rhosts file.
I am not a systems administrator so I do not have the ability to make any security modifications that might permit this behavior to the server. Nor can it be run as root. In fact the script will begin from a session that will usually be owned by a user with very limited access, then jump to a different userID to make the remote access attempt. Additionally, management doesn't want to request a change to the server because I was told that would make us dependent upon the admins for support and prevent the script I am designing from being truly self-sufficient.
They actually prefer (believe it or not) to hardcode the password for the userID involved into the script. I advised against this due to the security risk but they really want this script to be self contained.
Here are some pseudo examples that I have tried (unsuccessfully) to make work within the narrow parameters that I have been allowed:
rexec <remote server> <username> <password> "cat <filename>"
su <username> <password> -c "remsh <remote server> cat <filename>"
I really feel like I'm kinda stuck between a rock and a hard place and I have run out of ideas.
I hope someone here can help. Thanks in advance.
I am working on an HP-UX system version B.11.11 and I have been tasked with finding a way to read a file on a remote server (cat, grep, etc.) using a specific userID without copying it or moving it to the local machine.
But, it has to be done automatically as part of a ksh script. That means it cannot stop and ask for a password which is something that REMSH or REXEC seem to require even after I added the user to the .rhosts file.
I am not a systems administrator so I do not have the ability to make any security modifications that might permit this behavior to the server. Nor can it be run as root. In fact the script will begin from a session that will usually be owned by a user with very limited access, then jump to a different userID to make the remote access attempt. Additionally, management doesn't want to request a change to the server because I was told that would make us dependent upon the admins for support and prevent the script I am designing from being truly self-sufficient.
They actually prefer (believe it or not) to hardcode the password for the userID involved into the script. I advised against this due to the security risk but they really want this script to be self contained.
Here are some pseudo examples that I have tried (unsuccessfully) to make work within the narrow parameters that I have been allowed:
rexec <remote server> <username> <password> "cat <filename>"
su <username> <password> -c "remsh <remote server> cat <filename>"
I really feel like I'm kinda stuck between a rock and a hard place and I have run out of ideas.
I hope someone here can help. Thanks in advance.
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LEARN ABOUT DEBIAN
sieveshell
SIEVESHELL(1) User Contributed Perl Documentation SIEVESHELL(1) NAME
sieveshell - remotely manipulate sieve scripts SYNOPSIS
sieveshell [--user=user] [--authname=authname] [--realm=realm] [--password=password] [--exec=script] [--execfile=file] server[:port] sieveshell --help DESCRIPTION
sieveshell allows users to manipulate their scripts on a remote server. It works via MANAGESIEVE, a work in progress. The following commands are recognized: list list scripts on server. put <filename> upload script to server. get <name> [<filename>] get script. if no filename display to stdout delete <name> delete script. activate <name> activate script. deactivate deactivate all scripts. OPTIONS
-u user, --user=user The authorization name to request; by default, derived from the authentication credentials. -a authname, --authname=authname The user to use for authentication (defaults to current user). -r realm, --realm=realm The realm to attempt authentication in. -p password, --password=password The password to use when authenticating to server. Note that this parameter can be seen in the process list. Use with caution! -e script, --exec=script Instead of working interactively, run commands from script, and exit when done. -f file, --execfile=file Instead of working interactively, run commands from file file and exit when done. REFERENCES
[MANAGESIEVE] Martin, T.; "A Protocol for Remotely Managing Sieve Scripts", draft-ietf-managesieve-03.txt, Mirapoint, Inc.; May 2001, work in progress. AUTHOR
Tim Martin <tmartin@mirapoint.com>, and the rest of the Cyrus team <cyrus-bugs@andrew.cmu.edu>. perl v5.14.2 2014-06-03 SIEVESHELL(1)