Nginx module to compare the value of user-defined variables and request.(test module)

This is my first nginx test module for understanding nginx module development.

A nginx module to compare the value of user-defined variables and request.

Dependencies

nginx

Compatibility

1.7.x (last tested: 1.7.8)
1.6.x (last tested: 1.6.2)

Earlier versions is not tested.

Installation

Clone the git repository.

shell> git clone git://github.com/vozlt/nginx-module-udc.git

Add the module to the build configuration by adding --add-module=/path/to/nginx-module-udc
Build the nginx binary.
Install the nginx binary.

Synopsis

location /user-define-check {
    user_define_check;
    user_define_check_out_type      json;
    user_define_check_allow_text    "true";
    user_define_check_deny_text     "false";
    user_define_check_agent         "USER_DEFINED_0";
    user_define_check_agent         "USER_DEFINED_1";
    user_define_check_agent         "USER_DEFINED_2";
}

Description

This is an Nginx module that compare the value of user-defined variables and value of request. This module returns the compared result to string that is specific type.

The types as follows:

JSON
TEXT

Directives

user_define_check

-	-
Syntax	user_define_check
Default	-
Context	server, location

Description: Enables or disables user_define_check function.

user_define_check_out_type

-	-
Syntax	user_define_check_out_type [json\|text]
Default	json
Context	server, location

Description: The output type of result.

user_define_check_allow_text

-	-
Syntax	user_define_check_allow_text <user-defined-string>
Default	true
Context	server, location

Description: The string of success result.

user_define_check_deny_text

-	-
Syntax	user_define_check_deny_text <user-defined-string>
Default	false
Context	server, location

Description: The string of failure result.

user_define_check_agent

-	-
Syntax	user_define_check_agent <user-defined-string>
Default	-
Context	server, location

Description: The string to check.

Testing

shell> (echo -en "GET /user-define-check?USER_DEFINED_0 HTTP/1.1\r\nHost:localhost\r\n\r\n"; sleep 1) | nc localhost 80

{"status":"true"}

shell> (echo -en "GET /user-define-check?USER_DEFINED_3 HTTP/1.1\r\nHost:localhost\r\n\r\n"; sleep 1) | nc localhost 80

{"status":"false"}

Author

YoungJoo.Kim [vozltx@gmail.com]