gluon-packages/net/respondd-module-wifi/src/ifaces.c

43 lines
1.2 KiB
C

#include <linux/nl80211.h>
#include <netlink/genl/genl.h>
#include "ifaces.h"
#include "netlink.h"
static int iface_dump_handler(struct nl_msg *msg, void *arg) {
struct nlattr *tb[NL80211_ATTR_MAX + 1];
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct iface_list **last_next;
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0), genlmsg_attrlen(gnlh, 0), NULL);
if (!tb[NL80211_ATTR_WIPHY] || !tb[NL80211_ATTR_IFINDEX])
goto skip;
#ifdef GLUON
if(nla_strcmp(tb[NL80211_ATTR_IFNAME], "client") == -1)
goto skip;
#endif
// TODO fix add to head list - instatt find last item
for (last_next = arg; *last_next != NULL; last_next = &(*last_next)->next) {}
*last_next = malloc(sizeof(**last_next));
if (!*last_next)
goto skip;
(*last_next)->next = NULL;
(*last_next)->wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
(*last_next)->ifx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
(*last_next)->frequency = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
(*last_next)->txpower = nla_get_u32(tb[NL80211_ATTR_WIPHY_TX_POWER_LEVEL]);
skip:
return NL_SKIP;
}
struct iface_list *get_ifaces() {
struct iface_list *ifaces = NULL;
nl_send_dump(&iface_dump_handler, &ifaces, NL80211_CMD_GET_INTERFACE, 0);
return ifaces;
}