Opened 6 days ago

Closed 6 days ago

#1943 closed defect (worksforme)

$arg_ variable cannot see the parameter which comes right after "?"

Reported by: bahruzjabiyev@… Owned by:
Priority: minor Milestone:
Component: documentation Version: 1.17.x
Keywords: Cc:
uname -a: Linux engin-ThinkPad-T460s 4.15.0-91-generic #92-Ubuntu SMP Fri Feb 28 11:09:48 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
nginx -V: nginx version: nginx/1.17.9
built by gcc 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.12)
built with OpenSSL 1.0.2g 1 Mar 2016 (running with OpenSSL 1.0.2n 7 Dec 2017)
TLS SNI support enabled
configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx --modules-path=/usr/lib/nginx/modules --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --http-client-body-temp-path=/var/cache/nginx/client_temp --http-proxy-temp-path=/var/cache/nginx/proxy_temp --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx --group=nginx --with-compat --with-file-aio --with-threads --with-http_addition_module --with-http_auth_request_module --with-http_dav_module --with-http_flv_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_mp4_module --with-http_random_index_module --with-http_realip_module --with-http_secure_link_module --with-http_slice_module --with-http_ssl_module --with-http_stub_status_module --with-http_sub_module --with-http_v2_module --with-mail --with-mail_ssl_module --with-stream --with-stream_realip_module --with-stream_ssl_module --with-stream_ssl_preread_module --with-cc-opt='-g -O2 -fPIE -fstack-protector-strong -Wformat -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fPIC' --with-ld-opt='-Wl,-Bsymbolic-functions -fPIE -pie -Wl,-z,relro -Wl,-z,now -Wl,--as-needed -pie'

Description

Hey there, dear nginx team.

Normally, $arg_paramname should hold the value of paramname in uri of GET request. But, when paramname comes right after "?" (i.e. GET host.com/page?paramname=1), $arg_paramname is not set to 1. Whereas, if paramname does not come right after the "?" (i.e. GET host.com/page?otherparam=2paramname=1) $arg_paramname is set properly.

Change History (1)

comment:1 by Maxim Dounin, 6 days ago

Resolution: worksforme
Status: newclosed

Works fine here. Test configuration:

server {
    listen 8080;
    return 200 "$arg_paramname\n";
}

Testing it with simple HTTP request:

$ telnet 127.0.0.1 8080
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
GET /page?paramname=1 HTTP/1.0

HTTP/1.1 200 OK
Server: nginx/1.17.9
Date: Sun, 22 Mar 2020 20:20:21 GMT
Content-Type: text/plain
Content-Length: 2
Connection: close

1
Connection closed by foreign host.

If you see a different behaviour, please provide a reproducible test case.

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