3 # Copyright 2014, 2015 Paul Hänsch
5 # This file is part of shcgi.
7 # shcgi is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU Affero General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # shcgi is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU Affero General Public License for more details.
17 # You should have received a copy of the GNU Affero General Public License
18 # along with shcgi. If not, see <http://www.gnu.org/licenses/>.
20 export LC_ALL=C LANG=C
24 # this program is supposed to be symlinked into a http root directory
25 # we will use the http root as object storage (data directory) and call sub
26 # programs from the directory in which the real executable resides
27 # therefore we need to identify the code and data directories _EXEC and _DATA
29 real="$(readlink -f $call)"
30 _DATA="$(dirname "$call")" #storage directory
31 _EXEC="${real%/shcgi/index.cgi}" #execution directory
33 # put debug options in the local.opts file
34 [ -r "$_DATA/local.opts" ] && . "$_DATA/local.opts"
37 debug() { #change to false to disable debugging
38 if [ "$DBG_ENABLED" = true -a -n "$*" ]; then
39 echo -E "$@" >>"$DBG_FILE"
40 elif [ "$DBG_ENABLED" = true -a -z "$*" ]; then
42 elif [ -z "$*" ]; then
49 echo -E "$@" >>/dev/stderr
54 # create directories for object storage
56 [ -d "$_DATA" -a -w "$_DATA" ] || die "storage directory must be writable"
58 [ ! -e "$_DATA/$each" ] && mkdir "$_DATA/$each"
59 [ -d "$_DATA/$each" -a -w "$_DATA/$each" ] || die "storage \"$_DATA/$each\" must be a writable directory"
63 # create htaccess file
64 [ -f "$_DATA/.htaccess" ] || cat >"$_DATA/.htaccess" <<EOF
66 AddHandler cgi-script .cgi
67 DirectoryIndex index.cgi
69 [ -f "$_DATA/.htaccess" ] || die "no htaccess file present and unable to create one"
71 . "$_EXEC/shcgi/cgi.sh"
75 [ -x "$_EXEC/constants.sh" ] && . "$_EXEC/constants.sh"
77 if [ -n "$_GET[\"action\"]" ]; then
78 . "$_EXEC/shcgi/action.sh"
79 elif [ -n "$_GET[\"export\"]" ]; then
80 . "$_EXEC/shcgi/export.sh"
82 . "$_EXEC/shcgi/page.sh"