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Added option http-version

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This commit is contained in:
Gerhard Rieger 2023-06-17 21:30:37 +02:00
parent 9f632ec651
commit 454a499401
9 changed files with 116 additions and 22 deletions

19
proxyecho.sh
View file

@ -7,7 +7,9 @@
# accepts and answers correct HTTP CONNECT requests, but then just echoes data.
# it is required for test.sh
# for TCP, use this script as:
# socat tcp-l:8080,reuseaddr,crlf system:"proxyecho.sh"
# socat TCP-L:8080,reuseaddr,crlf SYSTEM:"proxyecho.sh"
# 20230423 GR Added option -V to require particular HTTP version
if type socat >/dev/null 2>&1; then
SOCAT=socat
@ -24,11 +26,12 @@ HP-UX|OSF1)
;;
esac
SPACES=" "
SPACES=" " REQVER=1.0
while [ -n "$1" ]; do
case "$1" in
-w) n="$2"; while [ "$n" -gt 0 ]; do SPACES="$SPACES "; n=$((n-1)); done
shift ;;
-V) shift; REQVER="$1" ;;
#-s) STAT="$2"; shift ;;
esac
shift
@ -36,14 +39,18 @@ done
# read and parse HTTP request
read l
if echo "$l" |egrep '^CONNECT +[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+:[0-9]+ +HTTP/1.[01]$' >/dev/null
if ! echo "$l" |egrep '^CONNECT +[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+:[0-9]+ +HTTP/[1-3].[0-9]$' >/dev/null
then
: go on below
else
echo "HTTP/1.0${SPACES}500 Bad Request"
echo
exit
fi
if ! echo "$l" |egrep '^CONNECT +[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+:[0-9]+ +HTTP/'"$REQVER"'$' >/dev/null
then
echo "HTTP/1.0${SPACES}426 Upgrade Required"
echo
exit
fi
# read more headers until empty line
while [ -n "$l" ]; do
@ -51,7 +58,7 @@ while [ -n "$l" ]; do
done
# send status
echo "HTTP/1.0${SPACES}200 OK"
echo "HTTP/$REQVER${SPACES}200 OK"
# send empty line
echo