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-rw-r--r--lib/libifconfig/libifconfig_media.c394
1 files changed, 394 insertions, 0 deletions
diff --git a/lib/libifconfig/libifconfig_media.c b/lib/libifconfig/libifconfig_media.c
new file mode 100644
index 0000000000000..f7302d8a9b248
--- /dev/null
+++ b/lib/libifconfig/libifconfig_media.c
@@ -0,0 +1,394 @@
+/*
+ * 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;
+ }
+ }
+ }
+}
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