NetworkManager/libnm-util/nm-value-transforms.c
Lubomir Rintel e69d386975 all: use the elvis operator wherever possible
Coccinelle:

  @@
  expression a, b;
  @@
  -a ? a : b
  +a ?: b

Applied with:

  spatch --sp-file ternary.cocci --in-place --smpl-spacing --dir .

With some manual adjustments on spots that Cocci didn't catch for
reasons unknown.

Thanks to the marvelous effort of the GNU compiler developer we can now
spare a couple of bits that could be used for more important things,
like this commit message. Standards commitees yet have to catch up.
2018-05-10 14:36:58 +02:00

594 lines
18 KiB
C

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/*
* 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, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
* Copyright 2005 - 2014 Red Hat, Inc.
*/
#include "nm-default.h"
#include <string.h>
#include "nm-gvaluearray-compat.h"
#include "nm-utils.h"
#include "nm-utils-private.h"
#include "nm-dbus-glib-types.h"
static void
_nm_utils_convert_op_to_string (const GValue *src_value, GValue *dest_value)
{
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_OBJECT_PATH));
g_value_set_string (dest_value, (const char *) g_value_get_boxed (src_value));
}
static void
_nm_utils_convert_strv_to_slist (const GValue *src_value, GValue *dest_value)
{
char **str;
GSList *list = NULL;
guint i = 0;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), G_TYPE_STRV));
str = (char **) g_value_get_boxed (src_value);
while (str && str[i])
list = g_slist_prepend (list, g_strdup (str[i++]));
g_value_take_boxed (dest_value, g_slist_reverse (list));
}
static void
_nm_utils_convert_slist_to_strv (const GValue *src_value, GValue *dest_value)
{
GSList *slist;
char **strv;
int len, i = 0;
slist = g_value_get_boxed (src_value);
len = g_slist_length (slist);
strv = g_new (char *, len + 1);
for (i = 0; slist; slist = slist->next, i++)
strv[i] = g_strdup (slist->data);
strv[i] = NULL;
g_value_take_boxed (dest_value, strv);
}
static void
_nm_utils_convert_strv_to_ptrarray (const GValue *src_value, GValue *dest_value)
{
char **str;
GPtrArray *array = NULL;
guint i = 0;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), G_TYPE_STRV));
str = (char **) g_value_get_boxed (src_value);
array = g_ptr_array_sized_new (3);
while (str && str[i])
g_ptr_array_add (array, g_strdup (str[i++]));
g_value_take_boxed (dest_value, array);
}
static void
_nm_utils_convert_string_list_to_string (const GValue *src_value, GValue *dest_value)
{
GSList *strings;
GString *printable;
GSList *iter;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_LIST_OF_STRING));
strings = (GSList *) g_value_get_boxed (src_value);
printable = g_string_new (NULL);
for (iter = strings; iter; iter = iter->next) {
if (iter != strings)
g_string_append_c (printable, ',');
g_string_append (printable, iter->data ?: "(null)");
}
g_value_take_string (dest_value, g_string_free (printable, FALSE));
}
static void
_string_array_to_string (const GPtrArray *strings, GValue *dest_value)
{
GString *printable;
guint i;
printable = g_string_new (NULL);
for (i = 0; strings && i < strings->len; i++) {
if (i > 0)
g_string_append_c (printable, ',');
g_string_append (printable, strings->pdata[i]);
}
g_value_take_string (dest_value, g_string_free (printable, FALSE));
}
static void
_nm_utils_convert_string_array_to_string (const GValue *src_value, GValue *dest_value)
{
const GPtrArray *strings;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_ARRAY_OF_STRING));
strings = (const GPtrArray *) g_value_get_boxed (src_value);
_string_array_to_string (strings, dest_value);
}
static void
_nm_utils_convert_op_array_to_string (const GValue *src_value, GValue *dest_value)
{
const GPtrArray *strings;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_ARRAY_OF_OBJECT_PATH));
strings = (const GPtrArray *) g_value_get_boxed (src_value);
_string_array_to_string (strings, dest_value);
}
static void
_nm_utils_convert_uint_array_to_string (const GValue *src_value, GValue *dest_value)
{
GArray *array;
GString *printable;
guint i = 0;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_UINT_ARRAY));
array = (GArray *) g_value_get_boxed (src_value);
printable = g_string_new (NULL);
while (array && (i < array->len)) {
guint32 addr;
if (i > 0)
g_string_append (printable, ", ");
addr = g_array_index (array, guint32, i++);
g_string_append (printable, nm_utils_inet4_ntop (addr, NULL));
}
g_value_take_string (dest_value, g_string_free (printable, FALSE));
}
static void
_nm_utils_convert_ip4_addr_route_struct_array_to_string (const GValue *src_value, GValue *dest_value)
{
GPtrArray *ptr_array;
GString *printable;
guint i = 0;
char buf[INET_ADDRSTRLEN];
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_ARRAY_OF_ARRAY_OF_UINT));
ptr_array = (GPtrArray *) g_value_get_boxed (src_value);
printable = g_string_new (NULL);
while (ptr_array && (i < ptr_array->len)) {
GArray *array;
gboolean is_addr; /* array contains address x route */
if (i > 0)
g_string_append (printable, "; ");
g_string_append (printable, "{ ");
array = (GArray *) g_ptr_array_index (ptr_array, i++);
if (array->len < 2) {
g_string_append (printable, "invalid");
continue;
}
is_addr = (array->len < 4);
nm_utils_inet4_ntop (g_array_index (array, guint32, 0), buf);
if (is_addr)
g_string_append_printf (printable, "ip = %s", buf);
else
g_string_append_printf (printable, "dst = %s", buf);
g_string_append_printf (printable, "/%u",
g_array_index (array, guint32, 1));
if (array->len > 2) {
nm_utils_inet4_ntop (g_array_index (array, guint32, 2), buf);
if (is_addr)
g_string_append_printf (printable, ", gw = %s", buf);
else
g_string_append_printf (printable, ", nh = %s", buf);
}
if (array->len > 3) {
g_string_append_printf (printable, ", mt = %u",
g_array_index (array, guint32, 3));
}
g_string_append (printable, " }");
}
g_value_take_string (dest_value, g_string_free (printable, FALSE));
}
static void
convert_one_gvalue_hash_entry (gpointer key, gpointer value, gpointer user_data)
{
GString *printable = (GString *) user_data;
char *value_as_string;
value_as_string = g_strdup_value_contents ((GValue *) value);
g_string_append_printf (printable, " { '%s': %s },", (const char *) key, value_as_string);
g_free (value_as_string);
}
static void
_nm_utils_convert_gvalue_hash_to_string (const GValue *src_value, GValue *dest_value)
{
GHashTable *hash;
GString *printable;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_MAP_OF_VARIANT));
hash = (GHashTable *) g_value_get_boxed (src_value);
printable = g_string_new ("[");
g_hash_table_foreach (hash, convert_one_gvalue_hash_entry, printable);
g_string_append (printable, " ]");
g_value_take_string (dest_value, printable->str);
g_string_free (printable, FALSE);
}
static void
convert_one_string_hash_entry (gpointer key, gpointer value, gpointer user_data)
{
GString *printable = (GString *) user_data;
if (printable->len)
g_string_append_c (printable, ',');
g_string_append_printf (printable, "%s=%s", (const char *) key, (const char *) value);
}
static void
_nm_utils_convert_string_hash_to_string (const GValue *src_value, GValue *dest_value)
{
GHashTable *hash;
GString *printable;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_MAP_OF_STRING));
hash = (GHashTable *) g_value_get_boxed (src_value);
printable = g_string_new (NULL);
if (hash)
g_hash_table_foreach (hash, convert_one_string_hash_entry, printable);
g_value_take_string (dest_value, g_string_free (printable, FALSE));
}
static void
_nm_utils_convert_byte_array_to_string (const GValue *src_value, GValue *dest_value)
{
GArray *array;
GString *printable;
guint i = 0;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_UCHAR_ARRAY));
array = (GArray *) g_value_get_boxed (src_value);
printable = g_string_new ("[");
if (array) {
while (i < MIN (array->len, 35)) {
if (i > 0)
g_string_append_c (printable, ' ');
g_string_append_printf (printable, "0x%02X",
g_array_index (array, unsigned char, i++));
}
if (i < array->len)
g_string_append (printable, " ... ");
}
g_string_append_c (printable, ']');
g_value_take_string (dest_value, g_string_free (printable, FALSE));
}
static void
_nm_utils_convert_ip6_dns_array_to_string (const GValue *src_value, GValue *dest_value)
{
GPtrArray *ptr_array;
GString *printable;
guint i = 0;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_ARRAY_OF_ARRAY_OF_UCHAR));
ptr_array = (GPtrArray *) g_value_get_boxed (src_value);
printable = g_string_new (NULL);
while (ptr_array && (i < ptr_array->len)) {
GByteArray *bytearray;
struct in6_addr *addr;
if (i > 0)
g_string_append (printable, ", ");
bytearray = (GByteArray *) g_ptr_array_index (ptr_array, i++);
if (bytearray->len != 16) {
g_string_append (printable, "invalid");
continue;
}
addr = (struct in6_addr *) bytearray->data;
g_string_append (printable, nm_utils_inet6_ntop (addr, NULL));
}
g_value_take_string (dest_value, g_string_free (printable, FALSE));
}
static void
_nm_utils_convert_ip6_addr_struct_array_to_string (const GValue *src_value, GValue *dest_value)
{
GPtrArray *ptr_array;
GString *printable;
guint i = 0;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_ARRAY_OF_IP6_ADDRESS));
ptr_array = (GPtrArray *) g_value_get_boxed (src_value);
printable = g_string_new (NULL);
while (ptr_array && (i < ptr_array->len)) {
GValueArray *elements;
GValue *tmp;
GByteArray *ba_addr;
struct in6_addr *addr;
guint32 prefix;
if (i > 0)
g_string_append (printable, "; ");
g_string_append (printable, "{ ");
elements = (GValueArray *) g_ptr_array_index (ptr_array, i++);
if (!_nm_utils_gvalue_array_validate (elements, 3,
DBUS_TYPE_G_UCHAR_ARRAY,
G_TYPE_UINT,
DBUS_TYPE_G_UCHAR_ARRAY)) {
g_string_append (printable, "invalid }");
continue;
}
/* IPv6 address */
tmp = g_value_array_get_nth (elements, 0);
ba_addr = g_value_get_boxed (tmp);
if (ba_addr->len != 16) {
g_string_append (printable, "invalid }");
continue;
}
addr = (struct in6_addr *) ba_addr->data;
g_string_append_printf (printable, "ip = %s", nm_utils_inet6_ntop (addr, NULL));
/* Prefix */
tmp = g_value_array_get_nth (elements, 1);
prefix = g_value_get_uint (tmp);
if (prefix > 128) {
g_string_append (printable, "/invalid }");
continue;
}
g_string_append_printf (printable, "/%u", prefix);
g_string_append (printable, ", ");
/* IPv6 Gateway */
tmp = g_value_array_get_nth (elements, 2);
ba_addr = g_value_get_boxed (tmp);
if (ba_addr->len != 16) {
g_string_append (printable, "invalid }");
continue;
}
addr = (struct in6_addr *) ba_addr->data;
g_string_append_printf (printable, "gw = %s", nm_utils_inet6_ntop (addr, NULL));
g_string_append (printable, " }");
}
g_value_take_string (dest_value, g_string_free (printable, FALSE));
}
static void
_nm_utils_convert_ip6_route_struct_array_to_string (const GValue *src_value, GValue *dest_value)
{
GPtrArray *ptr_array;
GString *printable;
guint i = 0;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), DBUS_TYPE_G_ARRAY_OF_IP6_ROUTE));
ptr_array = (GPtrArray *) g_value_get_boxed (src_value);
printable = g_string_new (NULL);
while (ptr_array && (i < ptr_array->len)) {
GValueArray *elements;
GValue *tmp;
GByteArray *ba_addr;
struct in6_addr *addr;
guint32 prefix, metric;
if (i > 0)
g_string_append (printable, "; ");
g_string_append (printable, "{ ");
elements = (GValueArray *) g_ptr_array_index (ptr_array, i++);
if (!_nm_utils_gvalue_array_validate (elements, 4,
DBUS_TYPE_G_UCHAR_ARRAY,
G_TYPE_UINT,
DBUS_TYPE_G_UCHAR_ARRAY,
G_TYPE_UINT)) {
g_string_append (printable, "invalid");
continue;
}
/* Destination address */
tmp = g_value_array_get_nth (elements, 0);
ba_addr = g_value_get_boxed (tmp);
if (ba_addr->len != 16) {
g_string_append (printable, "invalid");
continue;
}
addr = (struct in6_addr *) ba_addr->data;
g_string_append_printf (printable, "dst = %s", nm_utils_inet6_ntop (addr, NULL));
/* Prefix */
tmp = g_value_array_get_nth (elements, 1);
prefix = g_value_get_uint (tmp);
if (prefix > 128) {
g_string_append (printable, "/invalid");
continue;
}
g_string_append_printf (printable, "/%u", prefix);
g_string_append (printable, ", ");
/* Next hop addresses */
tmp = g_value_array_get_nth (elements, 2);
ba_addr = g_value_get_boxed (tmp);
if (ba_addr->len != 16) {
g_string_append (printable, "invalid");
continue;
}
addr = (struct in6_addr *) ba_addr->data;
g_string_append_printf (printable, "nh = %s", nm_utils_inet6_ntop (addr, NULL));
g_string_append (printable, ", ");
/* Metric */
tmp = g_value_array_get_nth (elements, 3);
metric = g_value_get_uint (tmp);
g_string_append_printf (printable, "mt = %u", metric);
g_string_append (printable, " }");
}
g_value_take_string (dest_value, g_string_free (printable, FALSE));
}
#define OLD_DBUS_TYPE_G_IP6_ADDRESS (dbus_g_type_get_struct ("GValueArray", DBUS_TYPE_G_UCHAR_ARRAY, G_TYPE_UINT, G_TYPE_INVALID))
#define OLD_DBUS_TYPE_G_ARRAY_OF_IP6_ADDRESS (dbus_g_type_get_collection ("GPtrArray", OLD_DBUS_TYPE_G_IP6_ADDRESS))
static void
_nm_utils_convert_old_ip6_addr_array (const GValue *src_value, GValue *dst_value)
{
GPtrArray *src_outer_array;
GPtrArray *dst_outer_array;
guint i;
g_return_if_fail (g_type_is_a (G_VALUE_TYPE (src_value), OLD_DBUS_TYPE_G_ARRAY_OF_IP6_ADDRESS));
src_outer_array = (GPtrArray *) g_value_get_boxed (src_value);
dst_outer_array = g_ptr_array_new ();
for (i = 0; src_outer_array && (i < src_outer_array->len); i++) {
GValueArray *src_addr_array;
GValueArray *dst_addr_array;
GValue element = G_VALUE_INIT;
GValue *src_addr, *src_prefix;
GByteArray *ba;
src_addr_array = (GValueArray *) g_ptr_array_index (src_outer_array, i);
if (!_nm_utils_gvalue_array_validate (src_addr_array, 2, DBUS_TYPE_G_UCHAR_ARRAY, G_TYPE_UINT)) {
g_warning ("%s: invalid old IPv6 address type", __func__);
return;
}
dst_addr_array = g_value_array_new (3);
src_addr = g_value_array_get_nth (src_addr_array, 0);
g_value_array_append (dst_addr_array, src_addr);
src_prefix = g_value_array_get_nth (src_addr_array, 1);
g_value_array_append (dst_addr_array, src_prefix);
/* Blank Gateway */
g_value_init (&element, DBUS_TYPE_G_UCHAR_ARRAY);
ba = g_byte_array_new ();
g_byte_array_append (ba, (guint8 *) "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0", 16);
g_value_take_boxed (&element, ba);
g_value_array_append (dst_addr_array, &element);
g_value_unset (&element);
g_ptr_array_add (dst_outer_array, dst_addr_array);
}
g_value_take_boxed (dst_value, dst_outer_array);
}
void
_nm_value_transforms_register (void)
{
static gboolean registered = FALSE;
if (G_UNLIKELY (!registered)) {
g_value_register_transform_func (DBUS_TYPE_G_OBJECT_PATH,
G_TYPE_STRING,
_nm_utils_convert_op_to_string);
g_value_register_transform_func (G_TYPE_STRV,
DBUS_TYPE_G_LIST_OF_STRING,
_nm_utils_convert_strv_to_slist);
g_value_register_transform_func (DBUS_TYPE_G_LIST_OF_STRING,
G_TYPE_STRV,
_nm_utils_convert_slist_to_strv);
g_value_register_transform_func (G_TYPE_STRV,
DBUS_TYPE_G_ARRAY_OF_STRING,
_nm_utils_convert_strv_to_ptrarray);
g_value_register_transform_func (DBUS_TYPE_G_LIST_OF_STRING,
G_TYPE_STRING,
_nm_utils_convert_string_list_to_string);
g_value_register_transform_func (DBUS_TYPE_G_ARRAY_OF_STRING,
G_TYPE_STRING,
_nm_utils_convert_string_array_to_string);
g_value_register_transform_func (DBUS_TYPE_G_ARRAY_OF_OBJECT_PATH,
G_TYPE_STRING,
_nm_utils_convert_op_array_to_string);
g_value_register_transform_func (DBUS_TYPE_G_UINT_ARRAY,
G_TYPE_STRING,
_nm_utils_convert_uint_array_to_string);
g_value_register_transform_func (DBUS_TYPE_G_ARRAY_OF_ARRAY_OF_UINT,
G_TYPE_STRING,
_nm_utils_convert_ip4_addr_route_struct_array_to_string);
g_value_register_transform_func (DBUS_TYPE_G_MAP_OF_VARIANT,
G_TYPE_STRING,
_nm_utils_convert_gvalue_hash_to_string);
g_value_register_transform_func (DBUS_TYPE_G_MAP_OF_STRING,
G_TYPE_STRING,
_nm_utils_convert_string_hash_to_string);
g_value_register_transform_func (DBUS_TYPE_G_UCHAR_ARRAY,
G_TYPE_STRING,
_nm_utils_convert_byte_array_to_string);
g_value_register_transform_func (DBUS_TYPE_G_ARRAY_OF_ARRAY_OF_UCHAR,
G_TYPE_STRING,
_nm_utils_convert_ip6_dns_array_to_string);
g_value_register_transform_func (DBUS_TYPE_G_ARRAY_OF_IP6_ADDRESS,
G_TYPE_STRING,
_nm_utils_convert_ip6_addr_struct_array_to_string);
g_value_register_transform_func (DBUS_TYPE_G_ARRAY_OF_IP6_ROUTE,
G_TYPE_STRING,
_nm_utils_convert_ip6_route_struct_array_to_string);
g_value_register_transform_func (OLD_DBUS_TYPE_G_ARRAY_OF_IP6_ADDRESS,
DBUS_TYPE_G_ARRAY_OF_IP6_ADDRESS,
_nm_utils_convert_old_ip6_addr_array);
registered = TRUE;
}
}