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/******************************************************************
* $Id: http_server.c,v 1.16 2007/11/04 07:37:38 m0gg Exp $
*
* CSOAP Project: A http client/server library in C (example)
* Copyright (C) 2003 Ferhat Ayaz
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Email: hero@persua.de
******************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <nanohttp/nanohttp-logging.h>
#include <nanohttp/nanohttp-server.h>
static int
simple_authenticator(struct hrequest_t *req, const char *user, const char *password)
{
fprintf(stdout, "logging in user=\"%s\" password=\"%s\"\n", user, password);
if (strcmp(user, "bob")) {
fprintf(stderr, "user \"%s\" unkown\n", user);
return 0;
}
if (strcmp(password, "builder")) {
fprintf(stderr, "wrong password\n");
return 0;
}
return 1;
}
static void
secure_service(httpd_conn_t *conn, struct hrequest_t *req)
{
httpd_send_header(conn, 200, HTTP_STATUS_200_REASON_PHRASE);
http_output_stream_write_string(conn->out,
"<html>"
"<head>"
"<title>Secure ressource!</title>"
"</head>"
"<body>"
"<h1>Authenticated access!!!</h1>"
"</body>"
"</html>");
return;
}
static void
default_service(httpd_conn_t *conn, struct hrequest_t *req)
{
char buf[512];
snprintf(buf, 512, "Resource \"%s\" not found", req->path);
httpd_send_not_found(conn, buf);
return;
}
static void
headers_service(httpd_conn_t *conn, struct hrequest_t *req)
{
hpair_t *walker;
char buf[512];
int len;
httpd_send_header(conn, 200, HTTP_STATUS_200_REASON_PHRASE);
http_output_stream_write_string(conn->out,
"<html>"
"<head>"
"<title>Request headers</title>"
"</head>"
"<body>"
"<h1>Request headers</h1>"
"<ul>");
for (walker=req->header; walker; walker=walker->next)
{
len = snprintf(buf, 512, "<li>%s: %s</li>", walker->key, walker->value);
http_output_stream_write(conn->out, buf, len);
}
http_output_stream_write_string(conn->out,
"</ul>"
"</body>"
"</html>");
}
static void
mime_service(httpd_conn_t *conn, struct hrequest_t *req)
{
httpd_send_not_implemented(conn, "mime_service");
}
static void
post_service(httpd_conn_t *conn, struct hrequest_t *req)
{
if (req->method == HTTP_REQUEST_POST)
{
unsigned char buffer[1024];
long len, total;
httpd_send_header(conn, 200, HTTP_STATUS_200_REASON_PHRASE);
http_output_stream_write_string(conn->out,
"<html>"
"<head>"
"<title>POST service</title>"
"</head>"
"<body>"
"<h1>You posted</h1>"
"<pre>");
if (req->content_type && req->content_type->type)
{
len = sprintf(buffer, "<p>Content-Type: %s</p>", req->content_type->type);
http_output_stream_write(conn->out, buffer, len);
}
while (http_input_stream_is_ready(req->in))
{
len = http_input_stream_read(req->in, buffer, 1024);
http_output_stream_write(conn->out, buffer, len);
total += len;
}
http_output_stream_write_string(conn->out,
"</pre>");
len = sprintf(buffer, "<p>Received %li bytes</p>", total);
http_output_stream_write(conn->out, buffer, len);
http_output_stream_write_string(conn->out,
"</body>"
"</html>");
}
else
{
httpd_send_not_implemented(conn, "post_service");
}
}
static void
root_service(httpd_conn_t *conn, struct hrequest_t *req)
{
httpd_send_header(conn, 200, HTTP_STATUS_200_REASON_PHRASE);
http_output_stream_write_string(conn->out,
"<html>"
"<head>"
"<title>nanoHTTP server examples</title>"
"</head>"
"<body>"
"<h1>nanoHTTP server examples</h1>"
"<ul>"
"<li><a href=\"/\">Simple service</a></li>"
"<li><a href=\"/secure\">Secure service</a> (try: bob/builder)</li>"
"<li><a href=\"/headers\">Request headers</a></li>"
"<li><a href=\"/mime\">MIME service</a></li>"
"<li>"
"<form action=\"/post\" method=\"post\" enctype=\"multipart/form-data\">"
"<fieldset>"
"<legend>Upload file</legend>"
"<input name=\"Text\" type=\"text\" value=\"test-field\"? "
"<input name=\"File\" type=\"file\" accept=\"text/*\"> "
"<input value=\"Submit\" type=\"submit\">"
"</fieldset>"
"</form>"
"</li>"
"<li><a href=\"/not_existent\">The default service</a></li>"
"<li><a href=\"/nhttp\">Admin page</a> (try -NHTTPDadmin on the command line)</li>"
"</ul>"
"</body>"
"</html>");
}
int
main(int argc, char **argv)
{
herror_t status;
nanohttp_log_set_loglevel(NANOHTTP_LOG_INFO);
if (httpd_init(argc, argv))
{
fprintf(stderr, "Cannot init httpd\n");
exit(1);
}
if ((status = httpd_register("/", root_service)) != H_OK)
{
fprintf(stderr, "Cannot register service (%s)\n", herror_message(status));
herror_release(status);
httpd_destroy();
exit(1);
}
if ((status = httpd_register_secure("/secure", secure_service, simple_authenticator)) != H_OK)
{
fprintf(stderr, "Cannot register secure service (%s)\n", herror_message(status));
herror_release(status);
httpd_destroy();
exit(1);
}
if ((status = httpd_register("/headers", headers_service)) != H_OK)
{
fprintf(stderr, "Cannot register headers service (%s)\n", herror_message(status));
herror_release(status);
httpd_destroy();
exit(1);
}
if ((status = httpd_register("/mime", mime_service)) != H_OK)
{
fprintf(stderr, "Cannot register MIME service (%s)\n", herror_message(status));
herror_release(status);
httpd_destroy();
exit(1);
}
if ((status = httpd_register("/post", post_service)) != H_OK)
{
fprintf(stderr, "Cannot register POST service (%s)\n", herror_message(status));
herror_release(status);
httpd_destroy();
exit(1);
}
if ((status = httpd_register_default("/error", default_service)) != H_OK)
{
fprintf(stderr, "Cannot register default service (%s)\n", herror_message(status));
herror_release(status);
httpd_destroy();
exit(1);
}
if ((status = httpd_run()) != H_OK)
{
fprintf(stderr, "Cannot run httpd (%s)\n", herror_message(status));
herror_release(status);
httpd_destroy();
exit(1);
}
httpd_destroy();
return 0;
}
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