mirror of
https://git.gnunet.org/libmicrohttpd.git
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141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
/*
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This file is part of libmicrohttpd
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(C) 2010 Christian Grothoff (and other contributing authors)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file digest_auth_example.c
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* @brief minimal example for how to use digest auth with libmicrohttpd
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* @author Amr Ali
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*/
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#include "platform.h"
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#include <microhttpd.h>
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#include <stdlib.h>
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#define PAGE "<html><head><title>libmicrohttpd demo</title></head><body>Access granted</body></html>"
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#define DENIED "<html><head><title>libmicrohttpd demo</title></head><body>Access denied</body></html>"
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#define MY_OPAQUE_STR "11733b200778ce33060f31c9af70a870ba96ddd4"
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static int
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ahc_echo (void *cls,
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struct MHD_Connection *connection,
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const char *url,
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const char *method,
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const char *version,
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const char *upload_data, size_t *upload_data_size, void **ptr)
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{
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struct MHD_Response *response;
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char *username;
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const char *password = "testpass";
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const char *realm = "test@example.com";
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int ret;
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username = MHD_digest_auth_get_username(connection);
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if (username == NULL)
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{
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response = MHD_create_response_from_buffer(strlen (DENIED),
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DENIED,
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MHD_RESPMEM_PERSISTENT);
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ret = MHD_queue_auth_fail_response(connection, realm,
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MY_OPAQUE_STR,
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response,
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MHD_NO);
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MHD_destroy_response(response);
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return ret;
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}
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ret = MHD_digest_auth_check(connection, realm,
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username,
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password,
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300);
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free(username);
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if ( (ret == MHD_INVALID_NONCE) ||
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(ret == MHD_NO) )
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{
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response = MHD_create_response_from_buffer(strlen (DENIED),
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DENIED,
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MHD_RESPMEM_PERSISTENT);
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if (NULL == response)
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return MHD_NO;
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ret = MHD_queue_auth_fail_response(connection, realm,
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MY_OPAQUE_STR,
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response,
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(ret == MHD_INVALID_NONCE) ? MHD_YES : MHD_NO);
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MHD_destroy_response(response);
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return ret;
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}
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response = MHD_create_response_from_buffer(strlen(PAGE), PAGE,
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MHD_RESPMEM_PERSISTENT);
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ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
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MHD_destroy_response(response);
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return ret;
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}
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int
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main (int argc, char *const *argv)
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{
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int fd;
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char rnd[8];
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ssize_t len;
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size_t off;
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struct MHD_Daemon *d;
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if (argc != 2)
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{
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printf ("%s PORT\n", argv[0]);
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return 1;
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}
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fd = open("/dev/urandom", O_RDONLY);
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if (-1 == fd)
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{
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fprintf (stderr, "Failed to open `%s': %s\n",
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"/dev/urandom",
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strerror (errno));
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return 1;
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}
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off = 0;
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while (off < 8)
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{
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len = read(fd, rnd, 8);
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if (len == -1)
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{
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fprintf (stderr, "Failed to read `%s': %s\n",
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"/dev/urandom",
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strerror (errno));
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(void) close (fd);
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return 1;
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}
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off += len;
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}
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(void) close(fd);
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d = MHD_start_daemon (MHD_USE_THREAD_PER_CONNECTION | MHD_USE_DEBUG,
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atoi (argv[1]),
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NULL, NULL, &ahc_echo, PAGE,
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MHD_OPTION_DIGEST_AUTH_RANDOM, sizeof(rnd), rnd,
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MHD_OPTION_NONCE_NC_SIZE, 300,
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MHD_OPTION_CONNECTION_TIMEOUT, (unsigned int) 120,
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MHD_OPTION_END);
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if (d == NULL)
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return 1;
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(void) getc (stdin);
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MHD_stop_daemon (d);
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return 0;
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}
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/* end of digest_auth_example.c */
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