mirror of https://gitee.com/openkylin/gvfs.git
148 lines
2.9 KiB
C
148 lines
2.9 KiB
C
/* 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)
|
|
{
|
|
const char *p = host;
|
|
|
|
g_return_val_if_fail (host != NULL, FALSE);
|
|
|
|
if (*p != '[')
|
|
return FALSE;
|
|
|
|
while (++p)
|
|
if (!g_ascii_isxdigit (*p) && *p != ':')
|
|
break;
|
|
|
|
if (*p != ']' || *(p + 1) != '\0')
|
|
return FALSE;
|
|
|
|
return TRUE;
|
|
}
|