} __attribute__ ((packed)) ext;
} __attribute__ ((packed));
+static int parse_random_mac_addr(struct nl_msg *msg, char *arg)
+{
+ char *a_addr, *a_mask, *sep;
+ unsigned char addr[ETH_ALEN], mask[ETH_ALEN];
+ char *addrs = arg + 9;
+
+ if (*addrs != '=')
+ return 0;
+
+ addrs++;
+ sep = strchr(addrs, '/');
+ a_addr = addrs;
+
+ if (!sep)
+ return 1;
+
+ *sep = 0;
+ a_mask = sep + 1;
+ if (mac_addr_a2n(addr, a_addr) || mac_addr_a2n(mask, a_mask))
+ return 1;
+
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+ NLA_PUT(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN, mask);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+int parse_sched_scan(struct nl_msg *msg, int *argc, char ***argv)
+{
+ struct nl_msg *matchset = NULL, *freqs = NULL;
+ struct nlattr *match = NULL;
+ enum {
+ ND_TOPLEVEL,
+ ND_MATCH,
+ ND_FREQS,
+ } parse_state = ND_TOPLEVEL;
+ int c = *argc;
+ char *end, **v = *argv;
+ int err = 0, i = 0;
+ unsigned int freq, interval = 0, delay = 0;
+ bool have_matchset = false, have_freqs = false;
+
+ matchset = nlmsg_alloc();
+ if (!matchset) {
+ err = -ENOBUFS;
+ goto out;
+ }
+
+ freqs = nlmsg_alloc();
+ if (!freqs) {
+ err = -ENOBUFS;
+ goto out;
+ }
+
+ while (c) {
+ switch (parse_state) {
+ case ND_TOPLEVEL:
+ if (!strcmp(v[0], "interval")) {
+ c--; v++;
+ if (c == 0) {
+ err = -EINVAL;
+ goto nla_put_failure;
+ }
+
+ if (interval) {
+ err = -EINVAL;
+ goto nla_put_failure;
+ }
+ interval = strtoul(v[0], &end, 10);
+ if (*end || !interval) {
+ err = -EINVAL;
+ goto nla_put_failure;
+ }
+ NLA_PUT_U32(msg,
+ NL80211_ATTR_SCHED_SCAN_INTERVAL,
+ interval);
+ } else if (!strcmp(v[0], "delay")) {
+ c--; v++;
+ if (c == 0) {
+ err = -EINVAL;
+ goto nla_put_failure;
+ }
+
+ if (delay) {
+ err = -EINVAL;
+ goto nla_put_failure;
+ }
+ delay = strtoul(v[0], &end, 10);
+ if (*end) {
+ err = -EINVAL;
+ goto nla_put_failure;
+ }
+ NLA_PUT_U32(msg,
+ NL80211_ATTR_SCHED_SCAN_DELAY,
+ delay);
+ } else if (!strcmp(v[0], "matches")) {
+ parse_state = ND_MATCH;
+ if (have_matchset) {
+ err = -EINVAL;
+ goto nla_put_failure;
+ }
+
+ i = 0;
+ } else if (!strcmp(v[0], "freqs")) {
+ parse_state = ND_FREQS;
+ if (have_freqs) {
+ err = -EINVAL;
+ goto nla_put_failure;
+ }
+
+ have_freqs = true;
+ i = 0;
+ } else {
+ /* this element is not for us, so
+ * return to continue parsing.
+ */
+ goto nla_put_failure;
+ }
+ c--; v++;
+
+ break;
+ case ND_MATCH:
+ if (!strcmp(v[0], "ssid")) {
+ c--; v++;
+ if (c == 0) {
+ err = -EINVAL;
+ goto nla_put_failure;
+ }
+
+ /* TODO: for now we can only have an
+ * SSID in the match, so we can start
+ * the match nest here.
+ */
+ match = nla_nest_start(matchset, i);
+ if (!match) {
+ err = -ENOBUFS;
+ goto nla_put_failure;
+ }
+
+ NLA_PUT(matchset,
+ NL80211_SCHED_SCAN_MATCH_ATTR_SSID,
+ strlen(v[0]), v[0]);
+ nla_nest_end(matchset, match);
+ match = NULL;
+
+ have_matchset = true;
+ i++;
+ c--; v++;
+ } else {
+ /* other element that cannot be part
+ * of a match indicates the end of the
+ * match. */
+ /* need at least one match in the matchset */
+ if (i == 0) {
+ err = -EINVAL;
+ goto nla_put_failure;
+ }
+
+ parse_state = ND_TOPLEVEL;
+ }
+
+ break;
+ case ND_FREQS:
+ freq = strtoul(v[0], &end, 10);
+ if (*end) {
+ if (i == 0) {
+ err = -EINVAL;
+ goto nla_put_failure;
+ }
+
+ parse_state = ND_TOPLEVEL;
+ } else {
+ NLA_PUT_U32(freqs, i, freq);
+ i++;
+ c--; v++;
+ }
+ break;
+ }
+ }
+
+ if (have_freqs)
+ nla_put_nested(msg, NL80211_ATTR_SCAN_FREQUENCIES, freqs);
+ if (have_matchset)
+ nla_put_nested(msg, NL80211_ATTR_SCHED_SCAN_MATCH, matchset);
+
+nla_put_failure:
+ if (match)
+ nla_nest_end(msg, match);
+ nlmsg_free(freqs);
+ nlmsg_free(matchset);
+
+out:
+ *argc = c;
+ *argv = v;
+ return err;
+}
+
static int handle_scan(struct nl80211_state *state,
struct nl_cb *cb,
struct nl_msg *msg,
bool passive = false, have_ssids = false, have_freqs = false;
size_t ies_len = 0, meshid_len = 0;
unsigned char *ies = NULL, *meshid = NULL, *tmpies;
- int flags = 0;
+ unsigned int flags = 0;
ssids = nlmsg_alloc();
if (!ssids)
parse = IES;
break;
} else if (strcmp(argv[i], "lowpri") == 0) {
- parse = NONE;
flags |= NL80211_SCAN_FLAG_LOW_PRIORITY;
break;
} else if (strcmp(argv[i], "flush") == 0) {
- parse = NONE;
flags |= NL80211_SCAN_FLAG_FLUSH;
break;
} else if (strcmp(argv[i], "ap-force") == 0) {
- parse = NONE;
flags |= NL80211_SCAN_FLAG_AP;
break;
+ } else if (strncmp(argv[i], "randomise", 9) == 0 ||
+ strncmp(argv[i], "randomize", 9) == 0) {
+ flags |= NL80211_SCAN_FLAG_RANDOM_ADDR;
+ err = parse_random_mac_addr(msg, argv[i]);
+ if (err)
+ goto nla_put_failure;
+ break;
} else if (strcmp(argv[i], "ssid") == 0) {
parse = SSID;
have_ssids = true;
dump_argv[0] = argv[0];
return handle_cmd(state, id, dump_argc, dump_argv);
}
-TOPLEVEL(scan, "[-u] [freq <freq>*] [ies <hex as 00:11:..>] [meshid <meshid>] [lowpri,flush,ap-force] [ssid <ssid>*|passive]", 0, 0,
+TOPLEVEL(scan, "[-u] [freq <freq>*] [ies <hex as 00:11:..>] [meshid <meshid>] [lowpri,flush,ap-force] [randomise[=<addr>/<mask>]] [ssid <ssid>*|passive]", 0, 0,
CIB_NETDEV, handle_scan_combined,
"Scan on the given frequencies and probe for the given SSIDs\n"
"(or wildcard if not given) unless passive scanning is requested.\n"
NL80211_CMD_GET_SCAN, NLM_F_DUMP, CIB_NETDEV, handle_scan_dump,
"Dump the current scan results. If -u is specified, print unknown\n"
"data in scan results.");
-COMMAND(scan, trigger, "[freq <freq>*] [ies <hex as 00:11:..>] [meshid <meshid>] [lowpri,flush,ap-force] [ssid <ssid>*|passive]",
+COMMAND(scan, trigger, "[freq <freq>*] [ies <hex as 00:11:..>] [meshid <meshid>] [lowpri,flush,ap-force] [randomise[=<addr>/<mask>]] [ssid <ssid>*|passive]",
NL80211_CMD_TRIGGER_SCAN, 0, CIB_NETDEV, handle_scan,
"Trigger a scan on the given frequencies with probing for the given\n"
"SSIDs (or wildcard if not given) unless passive scanning is requested.");
+
+
+static int handle_start_sched_scan(struct nl80211_state *state,
+ struct nl_cb *cb, struct nl_msg *msg,
+ int argc, char **argv, enum id_input id)
+{
+ return parse_sched_scan(msg, &argc, &argv);
+}
+
+static int handle_stop_sched_scan(struct nl80211_state *state, struct nl_cb *cb,
+ struct nl_msg *msg, int argc, char **argv,
+ enum id_input id)
+{
+ if (argc != 0)
+ return 1;
+
+ return 0;
+}
+
+COMMAND(scan, sched_start,
+ SCHED_SCAN_OPTIONS,
+ NL80211_CMD_START_SCHED_SCAN, 0, CIB_NETDEV, handle_start_sched_scan,
+ "Start a scheduled scan at the specified interval on the given frequencies\n"
+ "with probing for the given SSIDs (or wildcard if not given) unless passive\n"
+ "scanning is requested. If matches are specified, only matching results\n"
+ "will be returned.");
+COMMAND(scan, sched_stop, "",
+ NL80211_CMD_STOP_SCHED_SCAN, 0, CIB_NETDEV, handle_stop_sched_scan,
+ "Stop an ongoing scheduled scan.");
projects / thirdparty / iw.git / blobdiff