aboutsummaryrefslogtreecommitdiffstats
path: root/package/network/services/hostapd/patches/390-wpa_ie_cap_workaround.patch
diff options
context:
space:
mode:
Diffstat (limited to 'package/network/services/hostapd/patches/390-wpa_ie_cap_workaround.patch')
-rw-r--r--package/network/services/hostapd/patches/390-wpa_ie_cap_workaround.patch56
1 files changed, 56 insertions, 0 deletions
diff --git a/package/network/services/hostapd/patches/390-wpa_ie_cap_workaround.patch b/package/network/services/hostapd/patches/390-wpa_ie_cap_workaround.patch
new file mode 100644
index 0000000..1065a7f
--- /dev/null
+++ b/package/network/services/hostapd/patches/390-wpa_ie_cap_workaround.patch
@@ -0,0 +1,56 @@
+--- a/src/common/wpa_common.c
++++ b/src/common/wpa_common.c
+@@ -1228,6 +1228,31 @@ u32 wpa_akm_to_suite(int akm)
+ }
+
+
++static void wpa_fixup_wpa_ie_rsn(u8 *assoc_ie, const u8 *wpa_msg_ie,
++ size_t rsn_ie_len)
++{
++ int pos, count;
++
++ pos = sizeof(struct rsn_ie_hdr) + RSN_SELECTOR_LEN;
++ if (rsn_ie_len < pos + 2)
++ return;
++
++ count = WPA_GET_LE16(wpa_msg_ie + pos);
++ pos += 2 + count * RSN_SELECTOR_LEN;
++ if (rsn_ie_len < pos + 2)
++ return;
++
++ count = WPA_GET_LE16(wpa_msg_ie + pos);
++ pos += 2 + count * RSN_SELECTOR_LEN;
++ if (rsn_ie_len < pos + 2)
++ return;
++
++ if (!assoc_ie[pos] && !assoc_ie[pos + 1] &&
++ (wpa_msg_ie[pos] || wpa_msg_ie[pos + 1]))
++ memcpy(&assoc_ie[pos], &wpa_msg_ie[pos], 2);
++}
++
++
+ int wpa_compare_rsn_ie(int ft_initial_assoc,
+ const u8 *ie1, size_t ie1len,
+ const u8 *ie2, size_t ie2len)
+@@ -1235,8 +1260,19 @@ int wpa_compare_rsn_ie(int ft_initial_as
+ if (ie1 == NULL || ie2 == NULL)
+ return -1;
+
+- if (ie1len == ie2len && os_memcmp(ie1, ie2, ie1len) == 0)
+- return 0; /* identical IEs */
++ if (ie1len == ie2len) {
++ u8 *ie_tmp;
++
++ if (os_memcmp(ie1, ie2, ie1len) == 0)
++ return 0; /* identical IEs */
++
++ ie_tmp = alloca(ie1len);
++ memcpy(ie_tmp, ie1, ie1len);
++ wpa_fixup_wpa_ie_rsn(ie_tmp, ie2, ie1len);
++
++ if (os_memcmp(ie_tmp, ie2, ie1len) == 0)
++ return 0; /* only mismatch in RSN capabilties */
++ }
+
+ #ifdef CONFIG_IEEE80211R
+ if (ft_initial_assoc) {