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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager system settings service
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* (C) Copyright 2010 Red Hat, Inc.
*/
#include <glib.h>
#include <stdlib.h>
#include <string.h>
#include "utils.h"
#include <nm-setting-wired.h>
#include <nm-setting-wireless.h>
#include <nm-setting-wireless-security.h>
static const char temp_letters[] =
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
/*
* Check '.[a-zA-Z0-9]{6}' file suffix used for temporary files by g_file_set_contents() (mkstemp()).
*/
static gboolean
check_mkstemp_suffix (const char *path)
{
const char *ptr;
g_return_val_if_fail (path != NULL, FALSE);
/* Matches *.[a-zA-Z0-9]{6} suffix of mkstemp()'s temporary files */
ptr = strrchr (path, '.');
if (ptr && (strspn (ptr + 1, temp_letters) == 6) && (! ptr[7]))
return TRUE;
return FALSE;
}
static gboolean
check_prefix (const char *base, const char *tag)
{
int len, tag_len;
g_return_val_if_fail (base != NULL, TRUE);
g_return_val_if_fail (tag != NULL, TRUE);
len = strlen (base);
tag_len = strlen (tag);
if ((len > tag_len) && !strncasecmp (base, tag, tag_len))
return TRUE;
return FALSE;
}
static gboolean
check_suffix (const char *base, const char *tag)
{
int len, tag_len;
g_return_val_if_fail (base != NULL, TRUE);
g_return_val_if_fail (tag != NULL, TRUE);
len = strlen (base);
tag_len = strlen (tag);
if ((len > tag_len) && !strcasecmp (base + len - tag_len, tag))
return TRUE;
return FALSE;
}
#define SWP_TAG ".swp"
#define SWPX_TAG ".swpx"
#define PEM_TAG ".pem"
#define DER_TAG ".der"
gboolean
nm_keyfile_plugin_utils_should_ignore_file (const char *filename)
{
char *base;
gboolean ignore = FALSE;
g_return_val_if_fail (filename != NULL, TRUE);
base = g_path_get_basename (filename);
g_return_val_if_fail (base != NULL, TRUE);
/* Ignore files with certain patterns */
if ( (check_prefix (base, ".") && check_suffix (base, SWP_TAG)) /* vim temporary files: .filename.swp */
|| (check_prefix (base, ".") && check_suffix (base, SWPX_TAG)) /* vim temporary files: .filename.swpx */
|| check_suffix (base, PEM_TAG) /* 802.1x certificates and keys */
|| check_suffix (base, DER_TAG) /* 802.1x certificates and keys */
|| check_mkstemp_suffix (base) /* temporary files created by mkstemp() */
|| check_prefix (base, ".#") /* Emacs locking file (link) */
|| base[strlen (base) - 1] == '~')
ignore = TRUE;
g_free (base);
return ignore;
}
typedef struct {
const char *setting;
const char *alias;
} SettingAlias;
static const SettingAlias alias_list[] = {
{ NM_SETTING_WIRED_SETTING_NAME, "ethernet" },
{ NM_SETTING_WIRELESS_SETTING_NAME, "wifi" },
{ NM_SETTING_WIRELESS_SECURITY_SETTING_NAME, "wifi-security" },
};
const char *
nm_keyfile_plugin_get_alias_for_setting_name (const char *setting_name)
{
guint i;
g_return_val_if_fail (setting_name != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (alias_list); i++) {
if (strcmp (setting_name, alias_list[i].setting) == 0)
return alias_list[i].alias;
}
return NULL;
}
const char *
nm_keyfile_plugin_get_setting_name_for_alias (const char *alias)
{
guint i;
g_return_val_if_fail (alias != NULL, NULL);
for (i = 0; i < G_N_ELEMENTS (alias_list); i++) {
if (strcmp (alias, alias_list[i].alias) == 0)
return alias_list[i].setting;
}
return NULL;
}
/**********************************************************************/
/* List helpers */
#define DEFINE_KF_LIST_WRAPPER(stype, get_ctype, set_ctype) \
get_ctype \
nm_keyfile_plugin_kf_get_##stype##_list (GKeyFile *kf, \
const char *group, \
const char *key, \
gsize *out_length, \
GError **error) \
{ \
get_ctype list; \
const char *alias; \
GError *local = NULL; \
\
list = g_key_file_get_##stype##_list (kf, group, key, out_length, &local); \
if (g_error_matches (local, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_GROUP_NOT_FOUND)) { \
alias = nm_keyfile_plugin_get_alias_for_setting_name (group); \
if (alias) { \
g_clear_error (&local); \
list = g_key_file_get_##stype##_list (kf, alias, key, out_length, &local); \
} \
} \
if (local) \
g_propagate_error (error, local); \
return list; \
} \
\
void \
nm_keyfile_plugin_kf_set_##stype##_list (GKeyFile *kf, \
const char *group, \
const char *key, \
set_ctype list[], \
gsize length) \
{ \
const char *alias; \
\
alias = nm_keyfile_plugin_get_alias_for_setting_name (group); \
g_key_file_set_##stype##_list (kf, alias ? alias : group, key, list, length); \
}
DEFINE_KF_LIST_WRAPPER(integer, gint*, gint);
DEFINE_KF_LIST_WRAPPER(string, gchar **, const gchar* const);
/* Single value helpers */
#define DEFINE_KF_WRAPPER(stype, get_ctype, set_ctype) \
get_ctype \
nm_keyfile_plugin_kf_get_##stype (GKeyFile *kf, \
const char *group, \
const char *key, \
GError **error) \
{ \
get_ctype val; \
const char *alias; \
GError *local = NULL; \
\
val = g_key_file_get_##stype (kf, group, key, &local); \
if (g_error_matches (local, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_GROUP_NOT_FOUND)) { \
alias = nm_keyfile_plugin_get_alias_for_setting_name (group); \
if (alias) { \
g_clear_error (&local); \
val = g_key_file_get_##stype (kf, alias, key, &local); \
} \
} \
if (local) \
g_propagate_error (error, local); \
return val; \
} \
\
void \
nm_keyfile_plugin_kf_set_##stype (GKeyFile *kf, \
const char *group, \
const char *key, \
set_ctype value) \
{ \
const char *alias; \
\
alias = nm_keyfile_plugin_get_alias_for_setting_name (group); \
g_key_file_set_##stype (kf, alias ? alias : group, key, value); \
}
DEFINE_KF_WRAPPER(string, gchar*, const gchar*);
DEFINE_KF_WRAPPER(integer, gint, gint);
DEFINE_KF_WRAPPER(boolean, gboolean, gboolean);
DEFINE_KF_WRAPPER(value, gchar*, const gchar*);
gchar **
nm_keyfile_plugin_kf_get_keys (GKeyFile *kf,
const char *group,
gsize *out_length,
GError **error)
{
gchar **keys;
const char *alias;
GError *local = NULL;
keys = g_key_file_get_keys (kf, group, out_length, &local);
if (g_error_matches (local, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_GROUP_NOT_FOUND)) {
alias = nm_keyfile_plugin_get_alias_for_setting_name (group);
if (alias) {
g_clear_error (&local);
keys = g_key_file_get_keys (kf, alias, out_length, &local);
}
}
if (local)
g_propagate_error (error, local);
return keys;
}
gboolean
nm_keyfile_plugin_kf_has_key (GKeyFile *kf,
const char *group,
const char *key,
GError **error)
{
gboolean has;
const char *alias;
GError *local = NULL;
has = g_key_file_has_key (kf, group, key, &local);
if (g_error_matches (local, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_GROUP_NOT_FOUND)) {
alias = nm_keyfile_plugin_get_alias_for_setting_name (group);
if (alias) {
g_clear_error (&local);
has = g_key_file_has_key (kf, alias, key, &local);
}
}
if (local)
g_propagate_error (error, local);
return has;
}
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