107 lines
2.2 KiB
Bash
Executable file
107 lines
2.2 KiB
Bash
Executable file
#!/bin/rc
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rc_httpd_dir=/werc/bin/contrib/rc-httpd
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path=($PLAN9/bin $rc_httpd_dir/handlers $PATH)
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cgi_path=$PLAN9/bin
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SERVER_PORT=80 # default for CGI scripts, may be overridden by the Host header
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extra_headers='Server: rc-httpd'
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cr=
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fn do_log{
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echo `{date} :: $SERVER_NAME :: $request :: \
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$HTTP_USER_AGENT :: $1 :: $HTTP_REFERER >[1=2]
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}
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fn emit_extra_headers{
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for(header in $extra_headers)
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echo $"header^$cr
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}
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fn getline{ read | sed 's/'^$"cr^'$//g' }
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fn terminate{
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echo `{date} connection terminated >[1=2]
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exit terminate
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}
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fn trim_input{ read -c $CONTENT_LENGTH }
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request=`{getline}
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if(~ $#request 0)
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terminate
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REQUEST_METHOD=$request(1)
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REQUEST_URI=$request(2)
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reqlines=''
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HTTP_COOKIE=''
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REMOTE_USER=''
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done=false
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chunked=no
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while(~ $"done false){
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line=`{getline}
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if(~ $#line 0)
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done=true
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reqlines=$"reqlines$"line'
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'
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h=`{echo $line | awk '{print tolower($1)}'}
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switch($h){
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case ''
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done=true
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case host:
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SERVER_NAME=$line(2)
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case referer:
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HTTP_REFERER=$line(2)
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case user-agent:
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HTTP_USER_AGENT=`{echo $line | sed 's;[^:]+:[ ]+;;'}
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case content-length:
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CONTENT_LENGTH=$line(2)
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case content-type:
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CONTENT_TYPE=$line(2)
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case cookie:
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cookie=`{echo $line | sed 's;^[^:]+:[ ]*;;'}
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HTTP_COOKIE=$"HTTP_COOKIE^$"cookie^'; '
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case authorization:
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REMOTE_USER=`{auth/httpauth $line(3)}
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case transfer-encoding:
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~ $line(2) chunked && chunked=yes
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}
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}
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if(~ $REQUEST_URI *://* //*){
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SERVER_NAME=`{echo $REQUEST_URI | sed '
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s;^[^:]+:;;
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s;^//([^/]+).*;\1;'}
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REQUEST_URI=`{echo $REQUEST_URI | sed '
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s;^[^:]+:;;
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s;^//[^/]+/?;/;'}
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}
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QUERY_STRING=`{echo $REQUEST_URI | sed 's;[^?]*\??;;'}
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params=`{echo $QUERY_STRING | sed 's;\+; ;g'}
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location=`{echo $REQUEST_URI | sed '
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s;\?.*;;
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s;[^/]+/\.\./;/;g
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s;/\./;/;g
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s;//+;/;g
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'}
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SERVER_NAME=`{echo $SERVER_NAME | sed 's;^(\[[^\]]+\]|[^:]+)\:([0-9]+)$;\1 \2;'}
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if(~ $#SERVER_NAME 2){
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SERVER_PORT=$SERVER_NAME(2)
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SERVER_NAME=$SERVER_NAME(1)
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}
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switch($SERVER_NAME){
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case */* ..
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error 400
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exit
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}
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if(~ $REQUEST_METHOD (PUT POST)){
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if(! ~ $"CONTENT_LENGTH '')
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trim_input | exec $rc_httpd_dir/select-handler
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if not{
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if(~ $chunked yes){
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echo 'HTTP/1.1 411 Length required'^$cr
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echo $cr
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exit
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}
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exec $rc_httpd_dir/select-handler
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}
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}
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if not
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. $rc_httpd_dir/select-handler
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