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be more portable, fixed authentication #13

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075a47c
be more portable, fixed authentication
Apr 20, 2017
ca9f377
added keysearch
Apr 20, 2017
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40 changes: 28 additions & 12 deletions redi.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -32,12 +32,11 @@ function redis_read_bulk() {
exit 1
fi

echo $(dd bs=1 count=$BYTE_COUNT status=noxfer <&$FILE_DESC 2>/dev/null)
dd bs=1 count=2 status=noxfer <&$FILE_DESC 1>/dev/null 2>&1 # we are removing the extra character \r
echo $(dd bs=1 count=$BYTE_COUNT <&$FILE_DESC 2>/dev/null)
dd bs=1 count=2 <&$FILE_DESC 1>/dev/null 2>&1 # we are removing the extra character \r
}

function redis_read() {

typeset -i FILE_DESC=$1

if [[ $# -eq 2 ]]; then
Expand All @@ -48,7 +47,7 @@ fi
while read -r socket_data
do
typeset first_char
first_char=$(printf %b "$socket_data" | head -c1)
first_char=$(printf %b "$socket_data" | dd bs=1 count=1 2>/dev/null)

case $first_char in
'+')
Expand Down Expand Up @@ -101,6 +100,11 @@ function redis_get_var() {
printf %b "*2\r\n\$3\r\nGET\r\n\$${#REDIS_VAR}\r\n$REDIS_VAR\r\n"
}

function redis_keys() {
typeset REDIS_VAR="$@"
printf %b "KEYS $REDIS_VAR\r\n"
}

function redis_set_var() {
typeset REDIS_VAR="$1"
shift
Expand All @@ -126,7 +130,7 @@ function redis_set_array() {
done
}

while getopts g:s:r:P:H:p:d:ha opt; do
while getopts g:s:k:r:P:H:p:d:ha opt; do
case $opt in
p)
REDIS_PW=${OPTARG}
Expand All @@ -140,6 +144,9 @@ while getopts g:s:r:P:H:p:d:ha opt; do
g)
REDIS_GET=${OPTARG}
;;
k)
REDIS_KEY=${OPTARG}
;;
a)
REDIS_ARRAY=1
;;
Expand All @@ -155,28 +162,29 @@ while getopts g:s:r:P:H:p:d:ha opt; do
h)
echo
echo USAGE:
echo " $0 [-a] [-r <range>] [-s <var>] [-g <var>] [-p <password>] [-d <database_number>] [-H <hostname>] [-P <port>]"
echo " $0 [-a] [-r <range>] [-s <var>] [-g <var>] [-k <pattern>] [-p <password>] [-d <database_number>] [-H <hostname>] [-P <port>]"
echo
exit 1
;;
esac
done

if [[ -z $REDIS_GET ]] && [[ -z $REDIS_SET ]]; then
echo "You must either GET(-g) or SET(-s)" >&2
if [[ -z "$REDIS_GET" ]] && [[ -z "$REDIS_SET" ]] && [[ -z "$REDIS_KEY" ]]; then
echo "You must either GET(-g), SET(-s) or KEYS(-k)" >&2
exit 1
fi

exec {FD}<> /dev/tcp/"$REDIS_HOST"/"$REDIS_PORT"

redis_select_db "$REDIS_DB" >&$FD
redis_read $FD 1>/dev/null 2>&1

# do we need to authenticate first?
if [[ ! -z $REDIS_PW ]]; then
redis_compose_cmd "$REDIS_PW" >&$FD
redis_read $FD 1>/dev/null 2>&1
redis_read $FD 1>/dev/null 2>&1
fi

redis_select_db "$REDIS_DB" >&$FD
redis_read $FD 1>/dev/null 2>&1

if [[ ! -z $REDIS_GET ]]; then
if [[ $REDIS_ARRAY -eq 1 ]]; then
redis_get_array "$REDIS_GET" "$REDIS_ARRAY_RANGE" >&$FD
Expand All @@ -196,6 +204,14 @@ if [[ ! -z $REDIS_GET ]]; then
exit 0
fi

if [[ ! -z "$REDIS_KEY" ]]; then
redis_keys "$REDIS_KEY" >&$FD
redis_read $FD

exec {FD}>&-
exit 0
fi

while read -r line
do
REDIS_TODO=$line
Expand Down