diff options
| -rw-r--r-- | package/hostapd/patches/570-wpa_ie_cap_workaround.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/package/hostapd/patches/570-wpa_ie_cap_workaround.patch b/package/hostapd/patches/570-wpa_ie_cap_workaround.patch new file mode 100644 index 000000000..a7697cfcb --- /dev/null +++ b/package/hostapd/patches/570-wpa_ie_cap_workaround.patch @@ -0,0 +1,56 @@ +--- a/src/common/wpa_common.c ++++ b/src/common/wpa_common.c +@@ -811,6 +811,31 @@ const char * wpa_key_mgmt_txt(int key_mg + } + + ++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) +@@ -818,8 +843,19 @@ 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) { |