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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2014 Ross Lagerwall
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <string.h>
#include <glib.h>
#include <glib/gstdio.h>
#include <signal.h>
#include "gvfsutils.h"
#ifdef G_OS_UNIX
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#endif
/* Indicates whether debug output is enabled. */
static gboolean debugging = FALSE;
/**
* gvfs_randomize_string:
* @str: the string to randomize
* @len: the length of the string
*
* Takes a string and fills it with @len random chars.
**/
void
gvfs_randomize_string (char *str,
int len)
{
int i;
const char chars[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
for (i = 0; i < len; i++)
str[i] = chars[g_random_int_range (0, strlen(chars))];
}
/**
* gvfs_have_session_bus:
*
* Returns: %TRUE if we can connect to a session or user bus without
* triggering X11 autolaunching.
*/
gboolean
gvfs_have_session_bus (void)
{
if (g_getenv ("DBUS_SESSION_BUS_ADDRESS") != NULL)
return TRUE;
#ifdef G_OS_UNIX
{
gboolean ret = FALSE;
gchar *bus;
GStatBuf buf;
bus = g_build_filename (g_get_user_runtime_dir (), "bus", NULL);
if (g_stat (bus, &buf) < 0)
goto out;
if (buf.st_uid != geteuid ())
goto out;
if ((buf.st_mode & S_IFMT) != S_IFSOCK)
goto out;
ret = TRUE;
out:
g_free (bus);
return ret;
}
#else
return FALSE;
#endif
}
gboolean
gvfs_get_debug (void)
{
return debugging;
}
void
gvfs_set_debug (gboolean debugging_)
{
debugging = debugging_;
}
static void
toggle_debugging (int signum)
{
debugging = !debugging;
}
/**
* gvfs_setup_debugging_handler:
*
* Sets up a handler for SIGUSR2 that toggles the debugging flag when the
* signal is received.
**/
void
gvfs_setup_debug_handler (void)
{
struct sigaction sa;
sigemptyset (&sa.sa_mask);
sa.sa_handler = toggle_debugging;
sa.sa_flags = 0;
sigaction (SIGUSR2, &sa, NULL);
}
gboolean
gvfs_is_ipv6 (const char *host)
{
g_return_val_if_fail (host != NULL, FALSE);
if (*host != '[' || host[strlen (host) - 1] != ']')
return FALSE;
return TRUE;
}
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