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#!/bin/bash
#usage: $1 is the directory to be served over gopher.
# If a file is executable it is going to be used as a program.
# If there's a .header file in any directory it'll get printed
# before the directory listing.
# gopherd.sh tries to guess the hostname to use for people accessing the
# server (since there isn't a header for it like in HTTP).
# this requires rDNS records to be set correctly.
# Or you can just comment out that code and put a value at
# "export hostname" down there.
export PATH=$PATH:/usr/local/bin
read -t 10 req
logger -t gopher "$(/usr/local/libexec/peerip|head -n1): ${req}"
base="$1"
arg=$(echo "$req" | tr -d '\r' | cut -f2)
#req=$(echo "$req" | unescape | tr -d '\r' | cut -f1)
req=$(echo "$req" | tr -d '\r' | sed 's/\/*$//' | cut -f1)
cd ${base}
realpath="$(normalpath "${base}${req}")"
if grep -v "^${base}" <<< "${realpath}" > /dev/null;then
echo -e 'i'${base}'\tasdf\tasdf\tasdf\r'
echo -e 'i'${realpath}'\tadsf\tasdf\tasdf\r'
echo -e 'ierror!!! cant find base in realpath\tasdf\tasdf\tasdf\r'
exit 1
fi
#myIP=$(hop0 $(/usr/local/libexec/peerip | head -n1) | cut -d% -f1)
myIP=$(/usr/local/libexec/sockip | head -n1 | cut -d% -f1)
hostname=$(rdns ${myIP})
if [ ! "${hostname}" ]; then
hostname=${myIP}
else
if strstr "${myIP}" ":";then
if [ $(gethostbyname $hostname 6) != ${myIP} ];then
printf ""
# echo "fucked off #1"
# echo "$myIP != $(gethostbyname $hostname 6)"
# logger -t gopher "hostname (${hostname}) and IP (${myIP}) aren't matching up.";
# exit 2
#jimmy cracked corn but nobody gives a shit.
fi
else
if [ $(gethostbyname $hostname) != ${myIP} ];then
echo "fucked off #2"
logger -t gopher "hostname (${hostname}) and IP (${myIP}) aren't matching up.";
exit 2
fi
fi
fi
export hostname
export port=70
type=$(file -L "${realpath}" | cut -d: -f2-)
if strstr "$type" "directory";then
if [ -e "${realpath}/.header" ];then
awk '{print "i"$0"\tfake\t(NULL)\t0\r"}' "${realpath}/.header"
fi
ls "${realpath}" | while read i;do
stype=$(file -L "${realpath}/${i}" | cut -d: -f2-)
if strstr "$stype" "directory"; then
printf "1%s\t%s\t%s\t%s\r\n" "${i}" "${req}/${i}" $hostname $port
else
if [ "_$(stat -L "${realpath}/${i}" | cut '-d ' -f3 | grep -v l | tr 'x' '\n' | wc -l | tr -d ' ')" = "_4" ] ;then
printf "7%s\t%s\t%s\t%s\r\n" "${i}" "${req}/${i}" $hostname $port
else
printf "0%s\t%s\t%s\t%s\r\n" "${i}" "${req}/${i}" $hostname $port
fi
fi
done
printf ".\r\n"
else
#this shit is ugly
numX="$(stat -L "${realpath}" | cut '-d ' -f3 | grep -v l | tr 'x' '\n' | wc -l | tr -d ' ')"
if [ "_$numX" = "_3" ];then
#an executable that outputs text and pretends to be a type 0.
"${realpath}"
elif [ "_$numX" = "_4" ];then
#a type 7
"${realpath}" "$arg" | sed "s/\$/"`printf "\r"`"/g"
else
#output the text of the file
cat "${realpath}"
fi
fi
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