id summary reporter owner description type status priority milestone component version resolution keywords cc uname nginx_version
408 capture in if - escaping depends on location bug tchnts.wordpress.com "I am capturing some data in if, and then redirecting on what was captured. The problem is, that captured data is escaped if url contains ""%"" char, and may be others, and do not escaped if it does not. I have simple config:
Having simple config
{{{
location / {
set $out ""http://example.com/?a=b&c=d%"";
if ($out ~ ""(.*)"") {
set $z $1;
rewrite ^ $z redirect;
}
}
}}}
Making 2 requests:
{{{
telnet 127.0.0.1 80
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
GET / HTTP/1.0
Host: my.ru
HTTP/1.1 302 Moved Temporarily
Server: nginx/1.0.14
Date: Thu, 22 Mar 2012 02:20:14 GMT
Content-Type: text/html
Content-Length: 161
Connection: close
Location: http://example.com/?a=b&c=d%
302 Found
302 Found
nginx/1.0.14
Connection closed by foreign host.
}}}
{{{
telnet 127.0.0.1 80
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
GET /% HTTP/1.0
Host: my.ru
HTTP/1.1 302 Moved Temporarily
Server: nginx/1.0.14
Date: Thu, 22 Mar 2012 02:21:00 GMT
Content-Type: text/html
Content-Length: 161
Connection: close
Location: http://example.com/?a=b%26c=d%25
302 Found
302 Found
nginx/1.0.14
Connection closed by foreign host.
}}}
Expected the same location as in first request, but got another.
Tested on nginx-1.0.14 , nginx-1.0.6 ." defect closed minor nginx-core 1.0.x duplicate Linux X 2.6.32-220.el6.x86_64 #1 SMP Tue Dec 6 19:48:22 GMT 2011 x86_64 x86_64 x86_64 GNU/Linux nginx-1.0.14