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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2013 Red Hat, Inc.
*/
/**
* SECTION:nmt-mac-entry
* @short_description: #NmtNewtEntry for hardware address entry
*
* #NmtMacEntry is an #NmtNewtEntry for entering hardware addresses.
* It will only allow typing characters that are valid in a hardware
* address, and will set its #NmtNewtWidget:valid property depending
* on whether it currently contains a valid hardware address.
*/
#include "nm-default.h"
#include "nmt-mac-entry.h"
#include "nm-libnm-core-intern/nm-common-macros.h"
G_DEFINE_TYPE(NmtMacEntry, nmt_mac_entry, NMT_TYPE_NEWT_ENTRY)
#define NMT_MAC_ENTRY_GET_PRIVATE(o) \
(G_TYPE_INSTANCE_GET_PRIVATE((o), NMT_TYPE_MAC_ENTRY, NmtMacEntryPrivate))
typedef struct {
int mac_length;
int mac_str_length;
NmtMacEntryType entry_type;
} NmtMacEntryPrivate;
enum {
PROP_0,
PROP_MAC_LENGTH,
PROP_MAC_ADDRESS,
PROP_ENTRY_TYPE,
LAST_PROP
};
/**
* nmt_mac_entry_new:
* @width: the width in characters of the entry
* @mac_length: the length in bytes of the hardware address
* (either %ETH_ALEN or %INFINIBAND_ALEN)
* @entry_type: the type of the entry.
*
* Creates a new #NmtMacEntry.
*
* Returns: a new #NmtMacEntry.
*/
NmtNewtWidget *
nmt_mac_entry_new(int width, int mac_length, NmtMacEntryType entry_type)
{
return g_object_new(NMT_TYPE_MAC_ENTRY,
"width",
width,
"mac-length",
mac_length,
"entry-type",
(int) entry_type,
NULL);
}
static gboolean
mac_filter(NmtNewtEntry *entry, const char *text, int ch, int position, gpointer user_data)
{
NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE(entry);
if (priv->entry_type != NMT_MAC_ENTRY_TYPE_MAC)
return TRUE;
if (position >= priv->mac_str_length)
return FALSE;
return g_ascii_isxdigit(ch) || ch == ':';
}
static gboolean
mac_validator(NmtNewtEntry *entry, const char *text, gpointer user_data)
{
NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE(entry);
const char * p;
if (!*text)
return TRUE;
if (priv->entry_type == NMT_MAC_ENTRY_TYPE_CLONED) {
if (NM_CLONED_MAC_IS_SPECIAL(text))
return TRUE;
}
p = text;
while (g_ascii_isxdigit(p[0]) && g_ascii_isxdigit(p[1]) && p[2] == ':')
p += 3;
if (!g_ascii_isxdigit(p[0]) || !g_ascii_isxdigit(p[1]))
return FALSE;
p += 2;
if (!*p)
return (p - text == priv->mac_str_length);
if (g_ascii_isxdigit(p[0]) && !p[1] && p - text < priv->mac_str_length) {
char *fixed = g_strdup_printf("%.*s:%c", (int) (p - text), text, *p);
nmt_newt_entry_set_text(entry, fixed);
g_free(fixed);
/* FIXME: NmtNewtEntry doesn't correctly deal with us calling set_text()
* from inside the validator.
*/
nmt_newt_widget_needs_rebuild(NMT_NEWT_WIDGET(entry));
}
return FALSE;
}
static void
nmt_mac_entry_init(NmtMacEntry *entry)
{
nmt_newt_entry_set_filter(NMT_NEWT_ENTRY(entry), mac_filter, NULL);
nmt_newt_entry_set_validator(NMT_NEWT_ENTRY(entry), mac_validator, NULL);
}
static void
nmt_mac_entry_notify(GObject *object, GParamSpec *pspec)
{
if (G_OBJECT_CLASS(nmt_mac_entry_parent_class)->notify)
G_OBJECT_CLASS(nmt_mac_entry_parent_class)->notify(object, pspec);
if (pspec->owner_type == NMT_TYPE_NEWT_ENTRY && !strcmp(pspec->name, "text"))
g_object_notify(object, "mac-address");
}
static void
nmt_mac_entry_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE(object);
switch (prop_id) {
case PROP_MAC_LENGTH:
priv->mac_length = g_value_get_int(value);
priv->mac_str_length = priv->mac_length * 3 - 1;
break;
case PROP_MAC_ADDRESS:
nmt_newt_entry_set_text(NMT_NEWT_ENTRY(object), g_value_get_string(value));
break;
case PROP_ENTRY_TYPE:
/* construct-only */
priv->entry_type = g_value_get_int(value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
nmt_mac_entry_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
NmtMacEntryPrivate *priv = NMT_MAC_ENTRY_GET_PRIVATE(object);
switch (prop_id) {
case PROP_MAC_LENGTH:
g_value_set_int(value, priv->mac_length);
break;
case PROP_MAC_ADDRESS:
g_value_set_string(value,
nm_str_not_empty(nmt_newt_entry_get_text(NMT_NEWT_ENTRY(object))));
break;
case PROP_ENTRY_TYPE:
g_value_set_int(value, priv->entry_type);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
break;
}
}
static void
nmt_mac_entry_class_init(NmtMacEntryClass *entry_class)
{
GObjectClass *object_class = G_OBJECT_CLASS(entry_class);
g_type_class_add_private(entry_class, sizeof(NmtMacEntryPrivate));
/* virtual methods */
object_class->notify = nmt_mac_entry_notify;
object_class->set_property = nmt_mac_entry_set_property;
object_class->get_property = nmt_mac_entry_get_property;
/**
* NmtMacEntry:mac-length:
*
* The length in bytes of the hardware address type the entry
* accepts: either %ETH_ALEN or %INFINIBAND_ALEN.
*/
g_object_class_install_property(object_class,
PROP_MAC_LENGTH,
g_param_spec_int("mac-length",
"",
"",
0,
INFINIBAND_ALEN,
ETH_ALEN,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* NmtMacEntry:mac-address:
*
* The MAC address, as a string (as with the various #NMSetting
* "mac-address" properties).
*/
g_object_class_install_property(
object_class,
PROP_MAC_ADDRESS,
g_param_spec_string("mac-address",
"",
"",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* NmtMacEntry:entry-type:
*
* The type of the #NmtMacEntry. Can be either used for plain
* MAC addresses or for the extended format for cloned MAC addresses.
*/
g_object_class_install_property(
object_class,
PROP_ENTRY_TYPE,
g_param_spec_int("entry-type",
"",
"",
NMT_MAC_ENTRY_TYPE_MAC,
NMT_MAC_ENTRY_TYPE_CLONED,
NMT_MAC_ENTRY_TYPE_MAC,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS));
}
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