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/*
* Copyright 2015 Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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 2.1 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/>.
*
* Author: Matthias Clasen <mclasen@redhat.com>
*/
#include "config.h"
#include <gio/gio.h>
#include <gi18n.h>
#include <stdlib.h>
#include "gio-tool.h"
static char *attr_type = "string";
static gboolean nofollow_symlinks = FALSE;
static gboolean delete = FALSE;
static const GOptionEntry entries[] = {
{ "type", 't', 0, G_OPTION_ARG_STRING, &attr_type, N_("Type of the attribute"), N_("TYPE") },
{ "nofollow-symlinks", 'n', 0, G_OPTION_ARG_NONE, &nofollow_symlinks, N_("Don’t follow symbolic links"), NULL },
{ "delete", 'd', 0, G_OPTION_ARG_NONE, &delete, N_("Unset given attribute"), NULL },
G_OPTION_ENTRY_NULL
};
static char *
hex_unescape (const char *str)
{
int i;
char *unescaped_str, *p;
unsigned char c;
int len;
len = strlen (str);
unescaped_str = g_malloc (len + 1);
p = unescaped_str;
for (i = 0; i < len; i++)
{
if (str[i] == '\\' &&
str[i+1] == 'x' &&
len - i >= 4)
{
c =
(g_ascii_xdigit_value (str[i+2]) << 4) |
g_ascii_xdigit_value (str[i+3]);
*p++ = c;
i += 3;
}
else
*p++ = str[i];
}
*p++ = 0;
return unescaped_str;
}
int
handle_set (int argc, char *argv[], gboolean do_help)
{
GOptionContext *context;
GError *error = NULL;
GFile *file;
const char *attribute;
GFileAttributeType type;
gpointer value;
gpointer value_allocated = NULL;
gboolean b;
guint32 uint32;
gint32 int32;
guint64 uint64;
gint64 int64;
gchar *param;
int retval = 0;
g_set_prgname ("gio set");
/* Translators: commandline placeholder */
param = g_strdup_printf ("%s %s %s…", _("LOCATION"), _("ATTRIBUTE"), _("VALUE"));
context = g_option_context_new (param);
g_free (param);
g_option_context_set_help_enabled (context, FALSE);
g_option_context_set_summary (context, _("Set a file attribute of LOCATION."));
g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
if (do_help)
{
show_help (context, NULL);
g_option_context_free (context);
return 0;
}
if (!g_option_context_parse (context, &argc, &argv, &error))
{
show_help (context, error->message);
g_error_free (error);
g_option_context_free (context);
return 1;
}
if (argc < 2)
{
show_help (context, _("Location not specified"));
g_option_context_free (context);
return 1;
}
if (argc < 3)
{
show_help (context, _("Attribute not specified"));
g_option_context_free (context);
return 1;
}
attribute = argv[2];
if (delete)
{
type = G_FILE_ATTRIBUTE_TYPE_INVALID;
}
else
{
type = attribute_type_from_string (attr_type);
}
if ((argc < 4) && (type != G_FILE_ATTRIBUTE_TYPE_INVALID))
{
show_help (context, _("Value not specified"));
g_option_context_free (context);
return 1;
}
if ((argc > 4) && (type != G_FILE_ATTRIBUTE_TYPE_STRINGV))
{
show_help (context, _("Too many arguments"));
g_option_context_free (context);
return 1;
}
g_option_context_free (context);
switch (type)
{
case G_FILE_ATTRIBUTE_TYPE_STRING:
value = argv[3];
break;
case G_FILE_ATTRIBUTE_TYPE_BYTE_STRING:
value = value_allocated = hex_unescape (argv[3]);
break;
case G_FILE_ATTRIBUTE_TYPE_BOOLEAN:
b = g_ascii_strcasecmp (argv[3], "true") == 0;
value = &b;
break;
case G_FILE_ATTRIBUTE_TYPE_UINT32:
uint32 = atol (argv[3]);
value = &uint32;
break;
case G_FILE_ATTRIBUTE_TYPE_INT32:
int32 = atol (argv[3]);
value = &int32;
break;
case G_FILE_ATTRIBUTE_TYPE_UINT64:
uint64 = g_ascii_strtoull (argv[3], NULL, 10);
value = &uint64;
break;
case G_FILE_ATTRIBUTE_TYPE_INT64:
int64 = g_ascii_strtoll (argv[3], NULL, 10);
value = &int64;
break;
case G_FILE_ATTRIBUTE_TYPE_STRINGV:
value = &argv[3];
break;
case G_FILE_ATTRIBUTE_TYPE_INVALID:
value = NULL;
break;
case G_FILE_ATTRIBUTE_TYPE_OBJECT:
default:
print_error (_("Invalid attribute type “%s”"), attr_type);
return 1;
}
file = g_file_new_for_commandline_arg (argv[1]);
if (!g_file_set_attribute (file,
attribute,
type,
value,
nofollow_symlinks ?
G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS :
G_FILE_QUERY_INFO_NONE,
NULL, &error))
{
print_error ("%s", error->message);
g_error_free (error);
retval = 1;
}
g_clear_pointer (&value_allocated, g_free);
g_object_unref (file);
return retval;
}
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