1 /*
2 This file is part of libmicrohttpd
3 Copyright (C) 2008 Christian Grothoff (and other contributing authors)
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library 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 GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 /**
21 * @file authorization_example.c
22 * @brief example for how to use libmicrohttpd with HTTP authentication
23 * @author Christian Grothoff
24 */
25
26 #include "platform.h"
27 #include <microhttpd.h>
28 #ifdef _WIN32
29 #ifndef WIN32_LEAN_AND_MEAN
30 #define WIN32_LEAN_AND_MEAN 1
31 #endif /* !WIN32_LEAN_AND_MEAN */
32 #include <windows.h>
33 #endif
34
35 #define PAGE "<html><head><title>libmicrohttpd demo</title></head><body>libmicrohttpd demo</body></html>"
36
37 #define DENIED "<html><head><title>Access denied</title></head><body>Access denied</body></html>"
38
39
40
41 static int
ahc_echo(void * cls,struct MHD_Connection * connection,const char * url,const char * method,const char * version,const char * upload_data,size_t * upload_data_size,void ** ptr)42 ahc_echo (void *cls,
43 struct MHD_Connection *connection,
44 const char *url,
45 const char *method,
46 const char *version,
47 const char *upload_data, size_t *upload_data_size, void **ptr)
48 {
49 static int aptr;
50 const char *me = cls;
51 struct MHD_Response *response;
52 int ret;
53 char *user;
54 char *pass;
55 int fail;
56
57 if (0 != strcmp (method, "GET"))
58 return MHD_NO; /* unexpected method */
59 if (&aptr != *ptr)
60 {
61 /* do never respond on first call */
62 *ptr = &aptr;
63 return MHD_YES;
64 }
65 *ptr = NULL; /* reset when done */
66
67 /* require: "Aladdin" with password "open sesame" */
68 pass = NULL;
69 user = MHD_basic_auth_get_username_password (connection, &pass);
70 fail = ( (user == NULL) || (0 != strcmp (user, "Aladdin")) || (0 != strcmp (pass, "open sesame") ) );
71 if (fail)
72 {
73 response = MHD_create_response_from_buffer (strlen (DENIED),
74 (void *) DENIED,
75 MHD_RESPMEM_PERSISTENT);
76 ret = MHD_queue_basic_auth_fail_response (connection,"TestRealm",response);
77 }
78 else
79 {
80 response = MHD_create_response_from_buffer (strlen (me),
81 (void *) me,
82 MHD_RESPMEM_PERSISTENT);
83 ret = MHD_queue_response (connection, MHD_HTTP_OK, response);
84 }
85
86 MHD_destroy_response (response);
87 return ret;
88 }
89
90 int
main(int argc,char * const * argv)91 main (int argc, char *const *argv)
92 {
93 struct MHD_Daemon *d;
94
95 if (argc != 3)
96 {
97 printf ("%s PORT SECONDS-TO-RUN\n", argv[0]);
98 return 1;
99 }
100 d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG,
101 atoi (argv[1]),
102 NULL, NULL, &ahc_echo, PAGE, MHD_OPTION_END);
103 if (d == NULL)
104 return 1;
105 sleep (atoi (argv[2]));
106 MHD_stop_daemon (d);
107 return 0;
108 }
109