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WPS 2.0: Fix AuthorizedMACs check to accept wildcard address

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We need to accept both our own address and the ff:ff:ff:ff:ff:ff
as an indication of the AP having authorized us.
This commit is contained in:
Jouni Malinen 2010-09-21 19:36:44 -07:00 committed by Jouni Malinen
parent 252d7db297
commit ab98525399
1 changed files with 3 additions and 1 deletions
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4
src/wps/wps.c
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@ -269,6 +269,7 @@ int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
struct wps_parse_attr attr; struct wps_parse_attr attr;
unsigned int i; unsigned int i;
const u8 *pos; const u8 *pos;
const u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
if (wps_parse_msg(msg, &attr) < 0) if (wps_parse_msg(msg, &attr) < 0)
return 0; return 0;
@ -286,7 +287,8 @@ int wps_is_addr_authorized(const struct wpabuf *msg, const u8 *addr,
pos = attr.authorized_macs; pos = attr.authorized_macs;
for (i = 0; i < attr.authorized_macs_len / ETH_ALEN; i++) { for (i = 0; i < attr.authorized_macs_len / ETH_ALEN; i++) {
if (os_memcmp(pos, addr, ETH_ALEN) == 0) if (os_memcmp(pos, addr, ETH_ALEN) == 0 ||
os_memcmp(pos, bcast, ETH_ALEN) == 0)
return 1; return 1;
pos += ETH_ALEN; pos += ETH_ALEN;
} }