ostree/tests/run-apache.c
2011-11-01 12:35:50 -04:00

169 lines
4.2 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2011 Colin Walters <walters@verbum.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include <gio/gio.h>
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <errno.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/stat.h>
/* Taken from gnome-user-share src/httpd.c under the GPLv2 */
static int
get_port (void)
{
int sock;
int saved_errno;
struct sockaddr_in addr;
int reuse;
socklen_t len;
sock = socket (PF_INET, SOCK_STREAM, 0);
if (sock < 0)
{
return -1;
}
memset (&addr, 0, sizeof (addr));
addr.sin_family = AF_INET;
addr.sin_port = 0;
addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
reuse = 1;
setsockopt (sock, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof (reuse));
if (bind (sock, (struct sockaddr *)&addr, sizeof (addr)) == -1)
{
saved_errno = errno;
close (sock);
errno = saved_errno;
return -1;
}
len = sizeof (addr);
if (getsockname (sock, (struct sockaddr *)&addr, &len) == -1)
{
saved_errno = errno;
close (sock);
errno = saved_errno;
return -1;
}
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__APPLE__)
/* XXX This exposes a potential race condition, but without this,
* httpd will not start on the above listed platforms due to the fact
* that SO_REUSEADDR is also needed when Apache binds to the listening
* socket. At this time, Apache does not support that socket option.
*/
close (sock);
#endif
return ntohs (addr.sin_port);
}
static const char *known_httpd_modules_locations [] = {
"/usr/libexec/apache2",
"/usr/lib/apache2/modules",
"/usr/lib64/httpd/modules",
"/usr/lib/httpd/modules",
NULL
};
static gchar*
get_httpd_modules_path ()
{
int i;
for (i = 0; known_httpd_modules_locations[i]; i++)
{
if (g_file_test (known_httpd_modules_locations[i], G_FILE_TEST_IS_EXECUTABLE)
&& g_file_test (known_httpd_modules_locations[i], G_FILE_TEST_IS_DIR))
{
return g_strdup (known_httpd_modules_locations[i]);
}
}
return NULL;
}
int
main (int argc,
char **argv)
{
int port;
char *listen;
char *address_string;
GError *error = NULL;
GPtrArray *httpd_argv;
char *modules;
if (argc != 3)
{
fprintf (stderr, "usage: run-apache CONF PORTFILE");
return 1;
}
g_type_init ();
port = get_port ();
if (port == -1)
{
perror ("Failed to bind port");
return 1;
}
httpd_argv = g_ptr_array_new ();
g_ptr_array_add (httpd_argv, "httpd");
g_ptr_array_add (httpd_argv, "-X");
g_ptr_array_add (httpd_argv, "-f");
g_ptr_array_add (httpd_argv, argv[1]);
g_ptr_array_add (httpd_argv, "-C");
listen = g_strdup_printf ("Listen 127.0.0.1:%d", port);
g_ptr_array_add (httpd_argv, listen);
g_ptr_array_add (httpd_argv, NULL);
address_string = g_strdup_printf ("http://127.0.0.1:%d\n", port);
if (!g_file_set_contents (argv[2], address_string, -1, &error))
{
g_printerr ("%s\n", error->message);
return 1;
}
setenv ("LANG", "C", 1);
modules = get_httpd_modules_path ();
if (modules == NULL)
{
g_printerr ("Failed to find httpd modules\n");
return 1;
}
if (symlink (modules, "modules") < 0)
{
perror ("failed to make modules symlink");
return 1;
}
execvp ("httpd", (char**)httpd_argv->pdata);
perror ("Failed to run httpd");
return 1;
}