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https://git.kernel.org/pub/scm/network/wireless/iwd.git
synced 2024-11-10 14:09:22 +01:00
netdev: Implement interface filtering
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parent
0eee94a264
commit
e76daf224c
@ -107,7 +107,7 @@ static void nl80211_appeared(void *user_data)
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if (!wiphy_init(nl80211))
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l_error("Unable to init wiphy functionality");
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if (!netdev_init(nl80211))
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if (!netdev_init(nl80211, interfaces, nointerfaces))
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l_error("Unable to init netdev functionality");
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if (!scan_init(nl80211))
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49
src/netdev.c
49
src/netdev.c
@ -32,6 +32,7 @@
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#include <linux/if_ether.h>
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#include <sys/socket.h>
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#include <errno.h>
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#include <fnmatch.h>
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#include <ell/ell.h>
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@ -82,6 +83,8 @@ struct netdev_watch {
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static struct l_netlink *rtnl = NULL;
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static struct l_genl_family *nl80211;
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static struct l_queue *netdev_list;
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static char **whitelist_filter;
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static char **blacklist_filter;
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static void do_debug(const char *str, void *user_data)
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{
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@ -1175,6 +1178,38 @@ static void netdev_getlink_cb(int error, uint16_t type, const void *data,
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netdev_newlink_notify(ifi, bytes);
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}
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static bool netdev_is_managed(const char *ifname)
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{
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char *pattern;
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unsigned int i;
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if (!whitelist_filter)
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goto check_blacklist;
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for (i = 0; (pattern = whitelist_filter[i]); i++) {
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if (fnmatch(pattern, ifname, 0) != 0)
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continue;
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goto check_blacklist;
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}
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l_debug("whitelist filtered ifname: %s", ifname);
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return false;
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check_blacklist:
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if (!blacklist_filter)
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return true;
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for (i = 0; (pattern = blacklist_filter[i]); i++) {
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if (fnmatch(pattern, ifname, 0) == 0) {
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l_debug("blacklist filtered ifname: %s", ifname);
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return false;
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}
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}
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return true;
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}
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static void netdev_get_interface_callback(struct l_genl_msg *msg,
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void *user_data)
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{
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@ -1258,6 +1293,11 @@ static void netdev_get_interface_callback(struct l_genl_msg *msg,
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return;
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}
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if (!netdev_is_managed(ifname)) {
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l_debug("interface %s filtered out", ifname);
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return;
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}
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netdev = l_new(struct netdev, 1);
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netdev->index = *ifindex;
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netdev->type = *iftype;
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@ -1410,7 +1450,8 @@ bool netdev_watch_remove(struct netdev *netdev, uint32_t id)
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return true;
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}
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bool netdev_init(struct l_genl_family *in)
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bool netdev_init(struct l_genl_family *in,
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const char *whitelist, const char *blacklist)
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{
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struct l_genl_msg *msg;
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@ -1457,6 +1498,12 @@ bool netdev_init(struct l_genl_family *in)
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__eapol_set_deauthenticate_func(netdev_handshake_failed);
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__eapol_set_rekey_offload_func(netdev_set_rekey_offload);
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if (whitelist)
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whitelist_filter = l_strsplit(whitelist, ',');
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if (blacklist)
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blacklist_filter = l_strsplit(blacklist, ',');
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return true;
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}
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@ -74,5 +74,6 @@ uint32_t netdev_watch_add(struct netdev *netdev, netdev_watch_func_t func,
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void *user_data);
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bool netdev_watch_remove(struct netdev *netdev, uint32_t id);
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bool netdev_init(struct l_genl_family *in);
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bool netdev_init(struct l_genl_family *in,
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const char *whitelist, const char *blacklist);
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bool netdev_exit(void);
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