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Diffstat (limited to 'wpa_supplicant/ctrl_iface.c')
-rw-r--r--wpa_supplicant/ctrl_iface.c123
1 files changed, 123 insertions, 0 deletions
diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index 683e64a..acdc90d 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -7116,6 +7116,126 @@ static int wpas_ctrl_iface_erp_flush(struct wpa_supplicant *wpa_s)
}
+static int wpas_ctrl_iface_mac_rand_scan(struct wpa_supplicant *wpa_s,
+ char *cmd)
+{
+ char *token, *context = NULL;
+ unsigned int enable = ~0, type = 0;
+ u8 _addr[ETH_ALEN], _mask[ETH_ALEN];
+ u8 *addr = NULL, *mask = NULL;
+
+ while ((token = str_token(cmd, " ", &context))) {
+ if (os_strcasecmp(token, "scan") == 0) {
+ type |= MAC_ADDR_RAND_SCAN;
+ } else if (os_strcasecmp(token, "sched") == 0) {
+ type |= MAC_ADDR_RAND_SCHED_SCAN;
+ } else if (os_strcasecmp(token, "pno") == 0) {
+ type |= MAC_ADDR_RAND_PNO;
+ } else if (os_strcasecmp(token, "all") == 0) {
+ type = wpa_s->mac_addr_rand_supported;
+ } else if (os_strncasecmp(token, "enable=", 7) == 0) {
+ enable = atoi(token + 7);
+ } else if (os_strncasecmp(token, "addr=", 5) == 0) {
+ addr = _addr;
+ if (hwaddr_aton(token + 5, addr)) {
+ wpa_printf(MSG_INFO,
+ "CTRL: Invalid MAC address: %s",
+ token);
+ return -1;
+ }
+ } else if (os_strncasecmp(token, "mask=", 5) == 0) {
+ mask = _mask;
+ if (hwaddr_aton(token + 5, mask)) {
+ wpa_printf(MSG_INFO,
+ "CTRL: Invalid MAC address mask: %s",
+ token);
+ return -1;
+ }
+ } else {
+ wpa_printf(MSG_INFO,
+ "CTRL: Invalid MAC_RAND_SCAN parameter: %s",
+ token);
+ return -1;
+ }
+ }
+
+ if (!type) {
+ wpa_printf(MSG_INFO, "CTRL: MAC_RAND_SCAN no type specified");
+ return -1;
+ }
+
+ if ((wpa_s->mac_addr_rand_supported & type) != type) {
+ wpa_printf(MSG_INFO,
+ "CTRL: MAC_RAND_SCAN types=%u != supported=%u",
+ type, wpa_s->mac_addr_rand_supported);
+ return -1;
+ }
+
+ if (enable > 1) {
+ wpa_printf(MSG_INFO,
+ "CTRL: MAC_RAND_SCAN enable=<0/1> not specified");
+ return -1;
+ }
+
+ if (!enable) {
+ wpas_mac_addr_rand_scan_clear(wpa_s, type);
+ if (wpa_s->pno) {
+ if (type & MAC_ADDR_RAND_PNO) {
+ wpas_stop_pno(wpa_s);
+ wpas_start_pno(wpa_s);
+ }
+ } else if (wpa_s->sched_scanning &&
+ (type & MAC_ADDR_RAND_SCHED_SCAN)) {
+ /* simulate timeout to restart the sched scan */
+ wpa_s->sched_scan_timed_out = 1;
+ wpa_s->prev_sched_ssid = NULL;
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+ }
+ return 0;
+ }
+
+ if ((addr && !mask) || (!addr && mask)) {
+ wpa_printf(MSG_INFO,
+ "CTRL: MAC_RAND_SCAN invalid addr/mask combination");
+ return -1;
+ }
+
+ if (addr && mask && (!(mask[0] & 0x01) || (addr[0] & 0x01))) {
+ wpa_printf(MSG_INFO,
+ "CTRL: MAC_RAND_SCAN cannot allow multicast address");
+ return -1;
+ }
+
+ if (type & MAC_ADDR_RAND_SCAN) {
+ wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCAN,
+ addr, mask);
+ }
+
+ if (type & MAC_ADDR_RAND_SCHED_SCAN) {
+ wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_SCHED_SCAN,
+ addr, mask);
+
+ if (wpa_s->sched_scanning && !wpa_s->pno) {
+ /* simulate timeout to restart the sched scan */
+ wpa_s->sched_scan_timed_out = 1;
+ wpa_s->prev_sched_ssid = NULL;
+ wpa_supplicant_cancel_sched_scan(wpa_s);
+ }
+ }
+
+ if (type & MAC_ADDR_RAND_PNO) {
+ wpas_mac_addr_rand_scan_set(wpa_s, MAC_ADDR_RAND_PNO,
+ addr, mask);
+ if (wpa_s->pno) {
+ wpas_stop_pno(wpa_s);
+ wpas_start_pno(wpa_s);
+ }
+ }
+
+ return 0;
+}
+
+
char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
char *buf, size_t *resp_len)
{
@@ -7736,6 +7856,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
reply_len = -1;
} else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
wpas_ctrl_iface_erp_flush(wpa_s);
+ } else if (os_strncmp(buf, "MAC_RAND_SCAN ", 14) == 0) {
+ if (wpas_ctrl_iface_mac_rand_scan(wpa_s, buf + 14))
+ reply_len = -1;
} else {
os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
reply_len = 16;