pages.c

   1 /*
   2  * Static HTML page generators for CNTLM
   3  *
   4  * CNTLM is free software; you can redistribute it and/or modify it under the
   5  * terms of the GNU General Public License as published by the Free Software
   6  * Foundation; either version 2 of the License, or (at your option) any later
   7  * version.
   8  *
   9  * CNTLM is distributed in the hope that it will be useful, but WITHOUT ANY
  10  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  11  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  12  * details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
  16  * St, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  * Copyright (c) 2007 David Kubicek
  19  *
  20  */
  21
  22 #ifndef _PAGES_H
  23 #define _PAGES_H
  24
  25 #include "utils.h"
  26 #include "string.h"
  27 #include "stdio.h"
  28
  29 char *gen_407_page(const char *http) {
  30         char *tmp;
  31         if (http == NULL)
  32                 http = "HTTP/1.0";
  33         tmp = new(BUFSIZE);
  34         snprintf(tmp, BUFSIZE-1,
  35                 "%s 407 Access denied\r\n"
  36                 "Proxy-Authenticate: Basic realm=\"Cntlm Proxy\"\r\n"
  37                 "Content-Type: text/html\r\n\r\n"
  38                 "<html><body><h1>407 Access denied</h1><p><a href='http://cntlm.sf.net/'>Cntlm</a> requests your credentials for proxy access.</p></body></html>",
  39                 http);
  40         return tmp;
  41 }
  42
  43 char *gen_401_page(const char *http, const char *host, int port) {
  44         char *tmp;
  45         if (http == NULL)
  46                 http = "HTTP/1.0";
  47         tmp = new(BUFSIZE);
  48         snprintf(tmp, BUFSIZE-1,
  49                 "%s 401 Access denied\r\n"
  50                 "WWW-Authenticate: Basic realm=\"%s:%d\"\r\n"
  51                 "Content-Type: text/html\r\n\r\n"
  52                 "<html><body><h1>401 Access denied</h1><p><a href='http://cntlm.sf.net/'>Cntlm</a> proxy requests your credentials for this URL.</p></body></html>",
  53                 http, host, port);
  54         return tmp;
  55 }
  56
  57 char *gen_denied_page(const char *ip) {
  58         char *tmp;
  59         if (ip == NULL)
  60                 ip = "client";
  61         tmp = new(BUFSIZE);
  62         snprintf(tmp, BUFSIZE-1,
  63                 "HTTP/1.0 407 Access denied\r\n"
  64                 "Content-Type: text/html\r\n\r\n"
  65                 "<html><body><h1>Access denied</h1><p>Your request has been declined, %s is not allowed to connect.</p></body></html>",
  66                 ip);
  67         return tmp;
  68 }
  69
  70 char *gen_502_page(const char *http, const char *msg) {
  71         char *tmp;
  72         if (http == NULL)
  73                 http = "HTTP/1.0";
  74         if (msg == NULL)
  75                 msg = "Proxy error";
  76         tmp = new(BUFSIZE);
  77         snprintf(tmp, BUFSIZE-1,
  78                 "%s 502 %s\r\n"
  79                 "Content-Type: text/html\r\n\r\n"
  80                 "<html><body><h1>502 %s</h1><p><a href='http://cntlm.sf.net/'>Cntlm</a> proxy failed to complete the request.</p></body></html>",
  81                 http, msg, msg);
  82         return tmp;
  83 }
  84
  85 #endif /* _PAGES_H */