Cumulative patch from commit 6d00ab04302df257cb3092b2b31b4eac42e77569
6d00ab0 nl80211: Ensure nl_preq unregistration on driver deinit
71a0e39 P2P: Make unrecognized vendor elements available in P2P_PEER
86bd36f Add generic mechanism for adding vendor elements into frames
Change-Id: I392072a37d8dbfc92769082b60f052f7095466b6
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index 244fd2d..f612b49 100644
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -4715,6 +4715,22 @@
return pos - buf;
pos += res;
+ if (info->vendor_elems) {
+ res = os_snprintf(pos, end - pos, "vendor_elems=");
+ if (res < 0 || res >= end - pos)
+ return pos - buf;
+ pos += res;
+
+ pos += wpa_snprintf_hex(pos, end - pos,
+ wpabuf_head(info->vendor_elems),
+ wpabuf_len(info->vendor_elems));
+
+ res = os_snprintf(pos, end - pos, "\n");
+ if (res < 0 || res >= end - pos)
+ return pos - buf;
+ pos += res;
+ }
+
return pos - buf;
}
@@ -6227,6 +6243,210 @@
#endif /* CONFIG_TESTING_OPTIONS */
+static void wpas_ctrl_vendor_elem_update(struct wpa_supplicant *wpa_s)
+{
+ unsigned int i;
+ char buf[30];
+
+ wpa_printf(MSG_DEBUG, "Update vendor elements");
+
+ for (i = 0; i < NUM_VENDOR_ELEM_FRAMES; i++) {
+ if (wpa_s->vendor_elem[i]) {
+ os_snprintf(buf, sizeof(buf), "frame[%u]", i);
+ wpa_hexdump_buf(MSG_DEBUG, buf, wpa_s->vendor_elem[i]);
+ }
+ }
+
+#ifdef CONFIG_P2P
+ if (wpa_s->parent == wpa_s &&
+ wpa_s->global->p2p &&
+ !wpa_s->global->p2p_disabled)
+ p2p_set_vendor_elems(wpa_s->global->p2p, wpa_s->vendor_elem);
+#endif /* CONFIG_P2P */
+}
+
+
+static struct wpa_supplicant *
+wpas_ctrl_vendor_elem_iface(struct wpa_supplicant *wpa_s,
+ enum wpa_vendor_elem_frame frame)
+{
+ switch (frame) {
+#ifdef CONFIG_P2P
+ case VENDOR_ELEM_PROBE_REQ_P2P:
+ case VENDOR_ELEM_PROBE_RESP_P2P:
+ case VENDOR_ELEM_PROBE_RESP_P2P_GO:
+ case VENDOR_ELEM_BEACON_P2P_GO:
+ case VENDOR_ELEM_P2P_PD_REQ:
+ case VENDOR_ELEM_P2P_PD_RESP:
+ case VENDOR_ELEM_P2P_GO_NEG_REQ:
+ case VENDOR_ELEM_P2P_GO_NEG_RESP:
+ case VENDOR_ELEM_P2P_GO_NEG_CONF:
+ case VENDOR_ELEM_P2P_INV_REQ:
+ case VENDOR_ELEM_P2P_INV_RESP:
+ case VENDOR_ELEM_P2P_ASSOC_REQ:
+ return wpa_s->parent;
+#endif /* CONFIG_P2P */
+ default:
+ return wpa_s;
+ }
+}
+
+
+static int wpas_ctrl_vendor_elem_add(struct wpa_supplicant *wpa_s, char *cmd)
+{
+ char *pos = cmd;
+ int frame;
+ size_t len;
+ struct wpabuf *buf;
+ struct ieee802_11_elems elems;
+
+ frame = atoi(pos);
+ if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
+ return -1;
+ wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
+
+ pos = os_strchr(pos, ' ');
+ if (pos == NULL)
+ return -1;
+ pos++;
+
+ len = os_strlen(pos);
+ if (len == 0)
+ return 0;
+ if (len & 1)
+ return -1;
+ len /= 2;
+
+ buf = wpabuf_alloc(len);
+ if (buf == NULL)
+ return -1;
+
+ if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
+ wpabuf_free(buf);
+ return -1;
+ }
+
+ if (ieee802_11_parse_elems(wpabuf_head_u8(buf), len, &elems, 0) ==
+ ParseFailed) {
+ wpabuf_free(buf);
+ return -1;
+ }
+
+ if (wpa_s->vendor_elem[frame] == NULL) {
+ wpa_s->vendor_elem[frame] = buf;
+ wpas_ctrl_vendor_elem_update(wpa_s);
+ return 0;
+ }
+
+ if (wpabuf_resize(&wpa_s->vendor_elem[frame], len) < 0) {
+ wpabuf_free(buf);
+ return -1;
+ }
+
+ wpabuf_put_buf(wpa_s->vendor_elem[frame], buf);
+ wpabuf_free(buf);
+ wpas_ctrl_vendor_elem_update(wpa_s);
+
+ return 0;
+}
+
+
+static int wpas_ctrl_vendor_elem_get(struct wpa_supplicant *wpa_s, char *cmd,
+ char *buf, size_t buflen)
+{
+ int frame = atoi(cmd);
+
+ if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
+ return -1;
+ wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
+
+ if (wpa_s->vendor_elem[frame] == NULL)
+ return 0;
+
+ return wpa_snprintf_hex(buf, buflen,
+ wpabuf_head_u8(wpa_s->vendor_elem[frame]),
+ wpabuf_len(wpa_s->vendor_elem[frame]));
+}
+
+
+static int wpas_ctrl_vendor_elem_remove(struct wpa_supplicant *wpa_s, char *cmd)
+{
+ char *pos = cmd;
+ int frame;
+ size_t len;
+ u8 *buf;
+ struct ieee802_11_elems elems;
+ u8 *ie, *end;
+
+ frame = atoi(pos);
+ if (frame < 0 || frame >= NUM_VENDOR_ELEM_FRAMES)
+ return -1;
+ wpa_s = wpas_ctrl_vendor_elem_iface(wpa_s, frame);
+
+ pos = os_strchr(pos, ' ');
+ if (pos == NULL)
+ return -1;
+ pos++;
+
+ if (*pos == '*') {
+ wpabuf_free(wpa_s->vendor_elem[frame]);
+ wpa_s->vendor_elem[frame] = NULL;
+ wpas_ctrl_vendor_elem_update(wpa_s);
+ return 0;
+ }
+
+ if (wpa_s->vendor_elem[frame] == NULL)
+ return -1;
+
+ len = os_strlen(pos);
+ if (len == 0)
+ return 0;
+ if (len & 1)
+ return -1;
+ len /= 2;
+
+ buf = os_malloc(len);
+ if (buf == NULL)
+ return -1;
+
+ if (hexstr2bin(pos, buf, len) < 0) {
+ os_free(buf);
+ return -1;
+ }
+
+ if (ieee802_11_parse_elems(buf, len, &elems, 0) == ParseFailed) {
+ os_free(buf);
+ return -1;
+ }
+
+ ie = wpabuf_mhead_u8(wpa_s->vendor_elem[frame]);
+ end = ie + wpabuf_len(wpa_s->vendor_elem[frame]);
+
+ for (; ie + 1 < end; ie += 2 + ie[1]) {
+ if (ie + len > end)
+ break;
+ if (os_memcmp(ie, buf, len) != 0)
+ continue;
+
+ if (wpabuf_len(wpa_s->vendor_elem[frame]) == len) {
+ wpabuf_free(wpa_s->vendor_elem[frame]);
+ wpa_s->vendor_elem[frame] = NULL;
+ } else {
+ os_memmove(ie, ie + len,
+ wpabuf_len(wpa_s->vendor_elem[frame]) - len);
+ wpa_s->vendor_elem[frame]->used -= len;
+ }
+ os_free(buf);
+ wpas_ctrl_vendor_elem_update(wpa_s);
+ return 0;
+ }
+
+ os_free(buf);
+
+ return -1;
+}
+
+
char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
char *buf, size_t *resp_len)
{
@@ -6792,6 +7012,15 @@
if (wpas_ctrl_iface_driver_event(wpa_s, buf + 13) < 0)
reply_len = -1;
#endif /* CONFIG_TESTING_OPTIONS */
+ } else if (os_strncmp(buf, "VENDOR_ELEM_ADD ", 16) == 0) {
+ if (wpas_ctrl_vendor_elem_add(wpa_s, buf + 16) < 0)
+ reply_len = -1;
+ } else if (os_strncmp(buf, "VENDOR_ELEM_GET ", 16) == 0) {
+ reply_len = wpas_ctrl_vendor_elem_get(wpa_s, buf + 16, reply,
+ reply_size);
+ } else if (os_strncmp(buf, "VENDOR_ELEM_REMOVE ", 19) == 0) {
+ if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
+ reply_len = -1;
} else {
os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
reply_len = 16;