/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/if_media.h>
#include <net/route.h>
#include <assert.h>
#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "libifconfig.h"
#include "libifconfig_internal.h"
static struct ifmedia_description *get_toptype_desc(int);
static struct ifmedia_type_to_subtype *get_toptype_ttos(int);
static struct ifmedia_description *get_subtype_desc(int,
struct ifmedia_type_to_subtype *ttos);
#define IFM_OPMODE(x) \
((x) & (IFM_IEEE80211_ADHOC | IFM_IEEE80211_HOSTAP | \
IFM_IEEE80211_IBSS | IFM_IEEE80211_WDS | IFM_IEEE80211_MONITOR | \
IFM_IEEE80211_MBSS))
#define IFM_IEEE80211_STA 0
static struct ifmedia_description ifm_type_descriptions[] =
IFM_TYPE_DESCRIPTIONS;
static struct ifmedia_description ifm_subtype_ethernet_descriptions[] =
IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
static struct ifmedia_description ifm_subtype_ethernet_aliases[] =
IFM_SUBTYPE_ETHERNET_ALIASES;
static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] =
IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS;
static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] =
IFM_SUBTYPE_IEEE80211_DESCRIPTIONS;
static struct ifmedia_description ifm_subtype_ieee80211_aliases[] =
IFM_SUBTYPE_IEEE80211_ALIASES;
static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] =
IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS;
static struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] =
IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS;
static struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] =
IFM_SUBTYPE_IEEE80211_MODE_ALIASES;
static struct ifmedia_description ifm_subtype_atm_descriptions[] =
IFM_SUBTYPE_ATM_DESCRIPTIONS;
static struct ifmedia_description ifm_subtype_atm_aliases[] =
IFM_SUBTYPE_ATM_ALIASES;
static struct ifmedia_description ifm_subtype_atm_option_descriptions[] =
IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS;
static struct ifmedia_description ifm_subtype_shared_descriptions[] =
IFM_SUBTYPE_SHARED_DESCRIPTIONS;
static struct ifmedia_description ifm_subtype_shared_aliases[] =
IFM_SUBTYPE_SHARED_ALIASES;
static struct ifmedia_description ifm_shared_option_descriptions[] =
IFM_SHARED_OPTION_DESCRIPTIONS;
static struct ifmedia_description ifm_shared_option_aliases[] =
IFM_SHARED_OPTION_ALIASES;
struct ifmedia_type_to_subtype {
struct {
struct ifmedia_description *desc;
int alias;
}
subtypes[5];
struct {
struct ifmedia_description *desc;
int alias;
}
options[4];
struct {
struct ifmedia_description *desc;
int alias;
}
modes[3];
};
/* must be in the same order as IFM_TYPE_DESCRIPTIONS */
static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] =
{
{
{
{ &ifm_subtype_shared_descriptions[0], 0 },
{ &ifm_subtype_shared_aliases[0], 1 },
{ &ifm_subtype_ethernet_descriptions[0], 0 },
{ &ifm_subtype_ethernet_aliases[0], 1 },
{ NULL, 0 },
},
{
{ &ifm_shared_option_descriptions[0], 0 },
{ &ifm_shared_option_aliases[0], 1 },
{ &ifm_subtype_ethernet_option_descriptions[0], 0 },
{ NULL, 0 },
},
{
{ NULL, 0 },
},
},
{
{
{ &ifm_subtype_shared_descriptions[0], 0 },
{ &ifm_subtype_shared_aliases[0], 1 },
{ &ifm_subtype_ieee80211_descriptions[0], 0 },
{ &ifm_subtype_ieee80211_aliases[0], 1 },
{ NULL, 0 },
},
{
{ &ifm_shared_option_descriptions[0], 0 },
{ &ifm_shared_option_aliases[0], 1 },
{ &ifm_subtype_ieee80211_option_descriptions[0], 0 },
{ NULL, 0 },
},
{
{ &ifm_subtype_ieee80211_mode_descriptions[0], 0 },
{ &ifm_subtype_ieee80211_mode_aliases[0], 0 },
{ NULL, 0 },
},
},
{
{
{ &ifm_subtype_shared_descriptions[0], 0 },
{ &ifm_subtype_shared_aliases[0], 1 },
{ &ifm_subtype_atm_descriptions[0], 0 },
{ &ifm_subtype_atm_aliases[0], 1 },
{ NULL, 0 },
},
{
{ &ifm_shared_option_descriptions[0], 0 },
{ &ifm_shared_option_aliases[0], 1 },
{ &ifm_subtype_atm_option_descriptions[0], 0 },
{ NULL, 0 },
},
{
{ NULL, 0 },
},
},
};
static struct ifmedia_description *
get_toptype_desc(int ifmw)
{
struct ifmedia_description *desc;
for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++) {
if (IFM_TYPE(ifmw) == desc->ifmt_word) {
break;
}
}
return (desc);
}
static struct ifmedia_type_to_subtype *
get_toptype_ttos(int ifmw)
{
struct ifmedia_description *desc;
struct ifmedia_type_to_subtype *ttos;
for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
desc->ifmt_string != NULL; desc++, ttos++) {
if (IFM_TYPE(ifmw) == desc->ifmt_word) {
break;
}
}
return (ttos);
}
static struct ifmedia_description *
get_subtype_desc(int ifmw,
struct ifmedia_type_to_subtype *ttos)
{
int i;
struct ifmedia_description *desc;
for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
if (ttos->subtypes[i].alias) {
continue;
}
for (desc = ttos->subtypes[i].desc;
desc->ifmt_string != NULL; desc++) {
if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) {
return (desc);
}
}
}
return (NULL);
}
const char *
ifconfig_media_get_type(int ifmw)
{
struct ifmedia_description *desc;
/*int seen_option = 0, i;*/
/* Find the top-level interface type. */
desc = get_toptype_desc(ifmw);
if (desc->ifmt_string == NULL) {
return ("<unknown type>");
} else {
return (desc->ifmt_string);
}
}
const char *
ifconfig_media_get_subtype(int ifmw)
{
struct ifmedia_description *desc;
struct ifmedia_type_to_subtype *ttos;
ttos = get_toptype_ttos(ifmw);
desc = get_subtype_desc(ifmw, ttos);
return (desc->ifmt_string);
}
/***************************************************************************
* Above this point, this file is mostly copied from sbin/ifconfig/ifmedia.c
***************************************************************************/
/* Internal structure used for allocations and frees */
struct _ifconfig_media_status {
struct ifmediareq ifmr;
int medialist[0];
};
int
ifconfig_media_get_mediareq(ifconfig_handle_t *h, const char *name,
struct ifmediareq **ifmr)
{
struct _ifconfig_media_status *ms, *ms2;
unsigned long cmd = SIOCGIFXMEDIA;
*ifmr = NULL;
ms = calloc(1, sizeof(*ms));
if (ms == NULL) {
h->error.errtype = OTHER;
h->error.errcode = ENOMEM;
return (-1);
}
(void)memset(ms, 0, sizeof(*ms));
(void)strlcpy(ms->ifmr.ifm_name, name, sizeof(ms->ifmr.ifm_name));
/*
* Check if interface supports extended media types.
*/
if (ifconfig_ioctlwrap(h, AF_LOCAL, cmd, &ms->ifmr) < 0) {
cmd = SIOCGIFMEDIA;
if (ifconfig_ioctlwrap(h, AF_LOCAL, cmd, &ms->ifmr) < 0) {
/* Interface doesn't support SIOC{G,S}IFMEDIA. */
h->error.errtype = OK;
free(ms);
return (-1);
}
}
if (ms->ifmr.ifm_count == 0) {
*ifmr = &ms->ifmr;
return (0); /* Interface has no media types ?*/
}
ms2 = realloc(ms, sizeof(*ms) + sizeof(int) * ms->ifmr.ifm_count);
if (ms2 == NULL) {
h->error.errtype = OTHER;
h->error.errcode = ENOMEM;
free(ms);
return (-1);
}
ms2->ifmr.ifm_ulist = &ms2->medialist[0];
if (ifconfig_ioctlwrap(h, AF_LOCAL, cmd, &ms2->ifmr) < 0) {
free(ms2);
return (-1);
}
*ifmr = &ms2->ifmr;
return (0);
}
const char *
ifconfig_media_get_status(const struct ifmediareq *ifmr)
{
switch (IFM_TYPE(ifmr->ifm_active)) {
case IFM_ETHER:
case IFM_ATM:
if (ifmr->ifm_status & IFM_ACTIVE) {
return ("active");
} else {
return ("no carrier");
}
break;
case IFM_IEEE80211:
if (ifmr->ifm_status & IFM_ACTIVE) {
/* NB: only sta mode associates */
if (IFM_OPMODE(ifmr->ifm_active) == IFM_IEEE80211_STA) {
return ("associated");
} else {
return ("running");
}
} else {
return ("no carrier");
}
break;
default:
return ("");
}
}
void
ifconfig_media_get_options_string(int ifmw, char *buf, size_t buflen)
{
struct ifmedia_type_to_subtype *ttos;
struct ifmedia_description *desc;
int i, seen_option = 0;
size_t len;
assert(buflen > 0);
buf[0] = '\0';
ttos = get_toptype_ttos(ifmw);
for (i = 0; ttos->options[i].desc != NULL; i++) {
if (ttos->options[i].alias) {
continue;
}
for (desc = ttos->options[i].desc;
desc->ifmt_string != NULL; desc++) {
if (ifmw & desc->ifmt_word) {
if (seen_option++) {
strlcat(buf, ",", buflen);
}
len = strlcat(buf, desc->ifmt_string, buflen);
assert(len < buflen);
buf += len;
buflen -= len;
}
}
}
}
