src/cgi.h



    1 /**
    2  * This CGI program renders the oper.io blog
    3  * Copyright (C) 2024 Aaron Ball <nullspoon@oper.io>
    4  *
    5  * This program is free software: you can redistribute it and/or modify
    6  * it under the terms of the GNU General Public License as published by
    7  * the Free Software Foundation, either version 3 of the License, or
    8  * (at your option) any later version.
    9  *
   10  * This program is distributed in the hope that it will be useful,
   11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   13  * GNU General Public License for more details.
   14  *
   15  * You should have received a copy of the GNU General Public License
   16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
   17  */
   18 #include <stdlib.h>
   19 #include <stdio.h>
   20 #include <string.h>
   21 
   22 #define QS_MAX 256
   23 
   24 extern char** environ;
   25 
   26 struct querystring {
   27   char* qs;
   28   int pos;
   29 };
   30 
   31 void cgi_print_header(char*, int);
   32 
   33 void cgi_print_headers();
   34 
   35 char* cgi_remote_ip();
   36 
   37 char* cgi_user_agent();
   38 
   39 int cgi_read_qs(struct querystring*, char*);
   40 
   41 int cgi_qs_get_val(struct querystring*, char**, char*);