Differential D40238 Diff 122359 sbin/ifconfig/ifconfig_netlink.c

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sbin/ifconfig/ifconfig_netlink.c

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sort_iface_ifaddrs(struct snl_state ss, struct iface iface)		sort_iface_ifaddrs(struct snl_state ss, struct iface iface)
{		{
if (iface->ifa_count == 0)		if (iface->ifa_count == 0)
return;		return;

struct ifa *sorted_ifaddrs = snl_allocz(ss, iface->ifa_count sizeof(void *));		struct ifa *sorted_ifaddrs = snl_allocz(ss, iface->ifa_count sizeof(void *));
struct ifa *ifa = iface->ifa;		struct ifa *ifa = iface->ifa;

for (int i = 0; i < iface->ifa_count; i++) {		for (uint32_t i = 0; i < iface->ifa_count; i++) {
struct ifa *ifa_next = ifa->next;		struct ifa *ifa_next = ifa->next;

sorted_ifaddrs[i] = ifa;		sorted_ifaddrs[i] = ifa;
ifa->next = NULL;		ifa->next = NULL;
ifa = ifa_next;		ifa = ifa_next;
}		}
qsort(sorted_ifaddrs, iface->ifa_count, sizeof(void *), cmp_ifaddr);		qsort(sorted_ifaddrs, iface->ifa_count, sizeof(void *), cmp_ifaddr);
ifa = sorted_ifaddrs[0];		ifa = sorted_ifaddrs[0];
iface->ifa = ifa;		iface->ifa = ifa;
for (int i = 1; i < iface->ifa_count; i++) {		for (uint32_t i = 1; i < iface->ifa_count; i++) {
ifa->next = sorted_ifaddrs[i];		ifa->next = sorted_ifaddrs[i];
ifa = sorted_ifaddrs[i];		ifa = sorted_ifaddrs[i];
}		}
}		}

static void		static void
status_nl(struct ifconfig_args args, struct io_handler h, struct iface *iface)		status_nl(struct ifconfig_args args, struct io_handler h, struct iface *iface)
{		{
▲ Show 20 Lines • Show All 56 Lines • ▼ Show 20 Lines	get_local_socket(void)
if (s < 0)		if (s < 0)
err(1, "socket(family %u,SOCK_DGRAM)", AF_LOCAL);		err(1, "socket(family %u,SOCK_DGRAM)", AF_LOCAL);
return (s);		return (s);
}		}

static void		static void
set_global_ifname(if_link_t *link)		set_global_ifname(if_link_t *link)
{		{
int iflen = strlcpy(name, link->ifla_ifname, sizeof(name));		size_t iflen = strlcpy(name, link->ifla_ifname, sizeof(name));

if (iflen >= sizeof(name))		if (iflen >= sizeof(name))
errx(1, "%s: cloning name too long", link->ifla_ifname);		errx(1, "%s: cloning name too long", link->ifla_ifname);
strlcpy(ifr.ifr_name, link->ifla_ifname, sizeof(ifr.ifr_name));		strlcpy(ifr.ifr_name, link->ifla_ifname, sizeof(ifr.ifr_name));
}		}

void		void
list_interfaces_nl(struct ifconfig_args *args)		list_interfaces_nl(struct ifconfig_args *args)
{		{
struct snl_state ss = {};		struct snl_state ss = {};

nl_init_socket(&ss);		nl_init_socket(&ss);

struct ifmap *ifmap = prepare_ifmap(&ss);		struct ifmap *ifmap = prepare_ifmap(&ss);
struct iface *sorted_ifaces = snl_allocz(&ss, ifmap->count sizeof(void *));		struct iface *sorted_ifaces = snl_allocz(&ss, ifmap->count sizeof(void *));
for (int i = 0, num = 0; i < ifmap->size; i++) {		for (uint32_t i = 0, num = 0; i < ifmap->size; i++) {
if (ifmap->ifaces[i] != NULL) {		if (ifmap->ifaces[i] != NULL) {
sorted_ifaces[num++] = ifmap->ifaces[i];		sorted_ifaces[num++] = ifmap->ifaces[i];
if (num == ifmap->count)		if (num == ifmap->count)
break;		break;
}		}
}		}
qsort(sorted_ifaces, ifmap->count, sizeof(void *), cmp_iface);		qsort(sorted_ifaces, ifmap->count, sizeof(void *), cmp_iface);
prepare_ifaddrs(&ss, ifmap);		prepare_ifaddrs(&ss, ifmap);

struct io_handler h = {		struct io_handler h = {
.s = get_local_socket(),		.s = get_local_socket(),
.ss = &ss,		.ss = &ss,
};		};

for (int i = 0, num = 0; i < ifmap->count; i++) {		for (uint32_t i = 0, num = 0; i < ifmap->count; i++) {
struct iface *iface = sorted_ifaces[i];		struct iface *iface = sorted_ifaces[i];

if (!match_iface(args, iface))		if (!match_iface(args, iface))
continue;		continue;

set_global_ifname(&iface->link);		set_global_ifname(&iface->link);

if (args->namesonly) {		if (args->namesonly) {
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