[luci] To Get Client IP Addr - luci.http is imcomplete in lucittpd.

[Patrick Sun]

Hi JoW,



> >Try to obtain the client addr with:
> >
> >local addr = luci.http.getenv("REMOTE_ADDR") .. ":" ..
> >    luci.http.getenv("REMOTE_PORT")


The luci.http.getenv actually works very well if we deploy it 
to a real remote host with busybox httpd. It only refuse to work
under lucittpd.

I think the reason is that Lucittpd does not give a proper 
emulation of luci.http parameters;  It's quite OK with
most of module development with LuCI though.

What I did was try to print the table luci.http.getenv() returned
on both lucittpd and busybox-httpd, and the output is as follows

On lucittpd:


> HTTP_ACCEPT	text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
> PATH_INFO	/test/test
> SCRIPT_NAME	/luci
> QUERY_STRING	
> HTTP_ACCEPT_ENCODING	gzip,deflate
> HTTP_USER_AGENT	Mozilla/5.0 (X11; U; Linux i686; zh-CN; rv:1.9.1.7) Gecko/20100106 Ubuntu/9.10 (karmic) Firefox/3.5.7
> HTTP_REFERER	http://localhost:8080/luci/bandwidthc
> HTTP_HOST	localhost:8080
> HTTP_ACCEPT_LANGUAGE	en-us,zh-cn;q=0.7,zh;q=0.3
> HTTP_CONNECTION	keep-alive
> HTTP_ACCEPT_CHARSET	GB2312,utf-8;q=0.7,*;q=0.7
> SCRIPT_FILENAME	
> REQUEST_URI	/luci/bandwidthc/test
> SERVER_PROTOCOL	HTTP/1.1
> REQUEST_METHOD	GET


while on busybox httpd:



> HTTP_ACCEPT	text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
> CONFIG_cfg024e53_TYPE	httpd
> CONFIG_NUM_SECTIONS	1
> HOME	/
> CONFIG_cfg02f02f_TYPE	system
> GATEWAY_INTERFACE	CGI/1.1
> CONFIG_SECTIONS	cfg024e53
> home	/www
> CONFIG_cfg04315a_TYPE	button
> SCRIPT_FILENAME	/www/cgi-bin/l
> REQUEST_URI	/cgi-bin/l/test/test
> c_file	
> CONFIG_cfg0638e0_TYPE	button
> CONFIG_cfg04315a_button	reset
> CONFIG_cfg0638e0_button	reset
> CONFIG_cfg024e53_port	80
> CONFIG_cfg04315a_handler	logger reboot
> CONFIG_cfg0638e0_max	30
> HTTP_ACCEPT_LANGUAGE	en-us;q=0.7,zh;q=0.3
> CONFIG_cfg0638e0_min	5
> CONFIG_cfg024e53_home	/www
> HTTP_USER_AGENT	Mozilla/5.0 (X11; U; Linux i686; zh-CN; rv:1.9.1.7) Gecko/20100106 Ubuntu/9.10 (karmic) Firefox/3.5.7
> CONFIG_SECTION	cfg024e53
> CONFIG_cfg0638e0_handler	logger factory default
> SCRIPT_NAME	/cgi-bin/l
> TERM	vt102
> PWD	/
> HTTP_REFERER	http://192.168.1.1/cgi-bin/l/mini/
> CONFIG_cfg04315a_min	0
> port	80
> CONTENT_TYPE	application/x-www-form-urlencoded
> hostname	OpenWrt
> CONFIG_cfg04315a_max	4
> HTTP_COOKIE	sysauth=AFB48B008DA348DC6A6AE50D63449627
> CONTENT_LENGTH	23
> realm	OpenWrt
> REMOTE_PORT	55111
> SHELL	/bin/sh
> REMOTE_ADDR	192.168.1.2
> CONFIG_cfg02f02f_hostname	OpenWrt
> SERVER_PROTOCOL	HTTP/1.0
> PATH	/sbin:/usr/sbin:/bin:/usr/bin
> QUERY_STRING	
> SERVER_SOFTWARE	busybox httpd/1.11.2
> USER	root
> PATH_INFO	/test/test
> cfgtype	httpd
> args	-p 80 -h "/www" -r "OpenWrt"
> CONFIG_cfg04315a_action	released
> CONFIG_cfg0638e0_action	released
> CONFIG_cfg02f02f_timezone	UTC
> REQUEST_METHOD	POST



We can notice a lot of difference between the two.. 

Regards
Patrick
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