Download running config from a HP 1920S switch

hp1920-get-config.sh

#!/bin/bash
#
# Simple script to download the running configuration from the HP 1920S switch
# through the HTTP "APIs"
#
# Run it as:
#  $ ./hp1920-getconfig.sh --host="10.1.2.3" --user="admin" --pass="hello" --file=startup-config
#
# Attila Sukosd <attila@airtame.com>
#

HOST=""
USER="admin"
PASS=""

for i in "$@"; do
  case $i in
    -h=*|--host=*)
    HOST="${i#*=}"
    shift
    ;;
    -u=*|--user=*)
    USER="${i#*=}"
    shift
    ;;
    -p=*|--password=*)
    PASS="${i#*=}"
    shift
    ;;
    -f=*|--file=*)
    FILE="${i#*=}"
    shift
    ;;
    *)
          # unknown option
    ;;
  esac;
done;

if [ "$HOST" == "" -o "$FILE" == "" ]; then
	echo "Error. You need to specify at least the host with --host and the output file with --file";
	exit 1;
fi;

echo -n "Logging in to the HP switch... "
# Login
CS=$(curl -v -X POST -F "username=$USER" -F "password=$PASS" -H "Expect:" http://$HOST/htdocs/login/login.lua 2>&1 |grep "Set-Cookie" |awk '{print $3}' |cut -d ';' -f1)

if [ "$?" -ne 0 ]; then
  echo "Error."
  exit 1;
fi;
echo "OK"

# Format the cookies correctly
H=$(echo $CS |sed 's/ /; /g')

TS=$(date +%s000)

echo -n "Requesting to download config... "
# Request config download
PARAMS=$(curl -X POST -F 'file_type_sel%5B%5D=config' -F "http_token=$TS"-H "Referer: http://$HOST/htdocs/pages/base/file_upload_modal.lsp?help=/htdocs/lang/en_us/help/base/help_file_transfer.lsp&filetypes=6&protocol=6" -H "Cookie: $H" -H "Expect:" http://$HOST/htdocs/lua/ajax/file_upload_ajax.lua?protocol=6 2>/dev/null)

if [ "$(echo $PARAMS |grep '"successful": "ready",')" == "" ]; then
  echo "Error."
  echo $PARAMS
  exit 1;
fi;
echo "OK"

PARAMS2=$(echo $PARAMS | cut -d '?' -f 2 | cut -d '"' -f 1)

echo -n "Downloading config... "
curl -H "Referer: http://$HOST/htdocs/pages/base/file_upload_modal.lsp?help=/htdocs/lang/en_us/help/base/help_file_transfer.lsp&filetypes=6&protocol=6" -H "Cookie: $H" -H "Expect:" "http://$HOST/htdocs/pages/base/file_http_download.lsp?$PARAMS2" -o "$FILE" 2>/dev/null

if [ "$?" -ne 0 ]; then
	echo "Error."
	exit 1;
fi;

echo "OK. Saved to $FILE."