From: paul <paul@plutz.net>
Date: Sun, 2 Oct 2016 00:34:38 +0000 (+0000)
Subject: introdue standalone capabilities
X-Git-Url: https://git.plutz.net/?a=commitdiff_plain;h=d849a531488425d7f86afad48eaa98e14956958f;p=shcgi

introdue standalone capabilities

svn path=/trunk/; revision=32
---

diff --git a/index.cgi b/index.cgi
index d83cb2a..35795cb 100755
--- a/index.cgi
+++ b/index.cgi
@@ -19,20 +19,70 @@
 
 export LC_ALL=C LANG=C
 
-# this program is supposed to be symlinked into a http root directory
-# we will use the http root as object storage (data directory) and call sub
-# programs from the directory in which the real executable resides
-# therefore we need to identify the code and data directories _EXEC and _DATA
-call="$0"
-real="$(readlink -f $call)"
-_DATA="$(dirname "$call")"  #storage directory
-_EXEC="${real%/shcgi/index.cgi}"  #execution directory
-
-. "$_EXEC/shcgi/misc.sh"
-
-# put debug options in the local.opts file
-. "$_EXEC/shcgi/debug.sh"
-[ -r "$_DATA/local.opts" ] && . "$_DATA/local.opts"
+if [ "$1" = '--ncat' ]; then
+  export REMOTE_ADDR="${NCAT_REMOTE_ADDR}"
+  export SERVER_NAME="${NCAT_LOCAL_ADDR}"
+  export SERVER_PORT="${NCAT_LOCAL_PORT}"
+else
+  # this program is supposed to be symlinked into a http root directory
+  # we will use the http root as object storage (data directory) and call sub
+  # programs from the directory in which the real executable resides
+  # therefore we need to identify the code and data directories _EXEC and _DATA
+  call="$0"
+  real="$(readlink -f $call)"
+  _DATA="$(dirname "$call")"  #storage directory
+  _EXEC="${real%/shcgi/index.cgi}"  #execution directory
+  
+  . "$_EXEC/shcgi/misc.sh"
+  
+  # put debug options in the local.opts file
+  . "$_EXEC/shcgi/debug.sh"
+  [ -r "$_DATA/local.opts" ] && . "$_DATA/local.opts"
+fi
+
+if [ "$1" = '--server' ]; then
+  shift 1
+  ncat -kle "$0 --ncat" $@
+  exit $?
+
+elif [ "$1" = '--inetd' -o "$1" = '--ncat' ]; then
+  eval $(
+  sed -nr '
+    /^(GET|HEAD|POST) ([^\?]*)\??(.+)? (HTTP\/[0-9]\.[0-9])\r?$/{
+      h
+      s;(GET|HEAD|POST) ([^\?]*)\??(.+)? (HTTP\/[0-9]\.[0-9])\r?$;export REQUEST_METHOD='\''\1'\'';p
+      g
+      s;(GET|HEAD|POST) ([^\?]*)\??(.+)? (HTTP\/[0-9]\.[0-9])\r?$;\2;
+      s;'\'';'\''\\'\'''\'';g
+      s;^.*$;export PATH_INFO='\''&'\'';p
+      g
+      s;(GET|HEAD|POST) ([^\?]*)\??(.+)? (HTTP\/[0-9]\.[0-9])\r?$;\3;
+      s;'\'';'\''\\'\'''\'';g
+      s;^.*$;export QUERY_STRING='\''&'\'';p
+      g
+      s;(GET|HEAD|POST) ([^\?]*)\??(.+)? (HTTP\/[0-9]\.[0-9])\r?$;export SERVER_PROTOCOL='\''\4'\'';p
+      g
+    }
+  
+    /^[Pp][Rr][Oo][Xx][Yy]: /d
+  
+    /^[a-zA-Z_-]+: .*$/{
+      h
+      s;^[^:]+: (.*)\r$;\1;
+      s;'\'';'\''\\'\'''\'';g
+      s;^.*$;'\''&'\'';
+      x
+      s;: .*$;;
+      y;abcdefghijklmnopqrstuvwxyz-;ABCDEFGHIJKLMNOPQRSTUVWXYZ_;
+      s;^.+$;export HTTP_&=;
+      G
+      s;\n;;
+      p
+    }
+    /^\r?$/q
+  '
+  )
+fi
 
 . "$_EXEC/shcgi/cgi.sh"