You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
106 lines
2.3 KiB
106 lines
2.3 KiB
#!/bin/sh
|
|
#
|
|
# Program: RemoteRunSafely.sh
|
|
#
|
|
# Synopsis: This script simply runs another program remotely using ssh.
|
|
# It always returns the another program exit code or exit with
|
|
# code 255 which indicates that the program could not be executed.
|
|
#
|
|
# Syntax:
|
|
#
|
|
# RemoteRunSafely.sh <hostname> [-l <login_name>] [-p <port>]
|
|
# <program> <args...>
|
|
#
|
|
# where:
|
|
# <hostname> is the remote host to execute the program,
|
|
# <login_name> is the username on the remote host,
|
|
# <port> is the port used by the remote client,
|
|
# <program> is the path to the program to run,
|
|
# <args...> are the arguments to pass to the program.
|
|
#
|
|
|
|
printUsageAndExit()
|
|
{
|
|
echo "Usage:"
|
|
echo "./RemoteRunSafely.sh <hostname> [-l <login_name>] [-p <port>] " \
|
|
"<program> <args...>"
|
|
exit 255
|
|
}
|
|
|
|
moreArgsExpected()
|
|
{
|
|
# $1 - remaining number of arguments
|
|
# $2 - number of arguments to shift
|
|
if [ $1 -lt $2 ]
|
|
then
|
|
echo "Error: Wrong number of arguments."
|
|
printUsageAndExit
|
|
fi
|
|
}
|
|
|
|
# Save a copy of the original arguments in a string before we
|
|
# clobber them with the shift command.
|
|
ORIG_ARGS="$*"
|
|
#DEBUG: echo 'GOT: '$ORIG_ARGS
|
|
|
|
moreArgsExpected $# 1
|
|
RHOST=$1
|
|
shift 1
|
|
|
|
RUSER=`id -un`
|
|
RCLIENT=ssh
|
|
RPORT=
|
|
WORKING_DIR=
|
|
|
|
moreArgsExpected $# 1
|
|
if [ $1 = "-l" ]; then
|
|
moreArgsExpected $# 2
|
|
RUSER=$2
|
|
shift 2
|
|
fi
|
|
moreArgsExpected $# 1
|
|
if [ $1 = "-p" ]; then
|
|
moreArgsExpected $# 2
|
|
RPORT="-p $2"
|
|
shift 2
|
|
fi
|
|
|
|
moreArgsExpected $# 1
|
|
PROGRAM=$(basename $1)
|
|
WORKING_DIR=$(dirname $1)
|
|
shift 1
|
|
|
|
#DEBUG: echo 'DIR='${0%%`basename $0`}
|
|
#DEBUG: echo 'RHOST='$RHOST
|
|
#DEBUG: echo 'RUSER='$RUSER
|
|
#DEBUG: echo 'PROGRAM='$PROGRAM
|
|
#DEBUG: echo 'WORKING_DIR='$WORKING_DIR
|
|
#DEBUG: echo 'ARGS='$*
|
|
|
|
# Sanity check
|
|
if [ "$RHOST" = "" -o "$PROGRAM" = "" ]; then
|
|
printUsageAndExit
|
|
fi
|
|
|
|
# Local program file must exist and be execuatble
|
|
local_program=$WORKING_DIR"/"$PROGRAM
|
|
if [ ! -x "$local_program" ]; then
|
|
echo "File "$local_program" does not exist or is not an executable.."
|
|
exit 255
|
|
fi
|
|
|
|
connection=$RUSER'@'$RHOST
|
|
remote="./"$PROGRAM
|
|
(
|
|
cat $local_program | \
|
|
$RCLIENT $connection $RPORT \
|
|
'rm -f '$remote' ; ' \
|
|
'cat > '$remote' ; chmod +x '$remote' ; '$remote' '$*' ; ' \
|
|
'err=$? ; rm -f '$remote' ; exit $err'
|
|
)
|
|
err=$?
|
|
|
|
#DEBUG: echo script exit $err
|
|
exit $err
|
|
|