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P2PS: Fix org.wi-fi.wfds matching when building the response

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The service hash for org.wi-fi.wfds is supposed to match only if the
device has a WFA defined org.wi-fi.wfds.* service. Verify that before
adding org.wi-fi.wfds to the response.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2015-06-18 17:23:09 +03:00 committed by Jouni Malinen
parent 5fa5f84324
commit 509f269bbd
1 changed files with 16 additions and 1 deletions
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17
src/p2p/p2p_build.c
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@ -420,6 +420,20 @@ static int p2ps_wildcard_hash(struct p2p_data *p2p,
}
static int p2p_wfa_service_adv(struct p2p_data *p2p)
{
struct p2ps_advertisement *adv;
for (adv = p2p->p2ps_adv_list; adv; adv = adv->next) {
if (os_strncmp(adv->svc_name, P2PS_WILD_HASH_STR,
os_strlen(P2PS_WILD_HASH_STR)) == 0)
return 1;
}
return 0;
}
static int p2p_buf_add_service_info(struct wpabuf *buf, struct p2p_data *p2p,
u32 adv_id, u16 config_methods,
const char *svc_name, u8 **ie_len, u8 **pos,
@ -553,7 +567,8 @@ void p2p_buf_add_service_instance(struct wpabuf *buf, struct p2p_data *p2p,
wpa_hexdump(MSG_DEBUG, "P2PS: Probe Request service hash values",
hash, hash_count * P2PS_HASH_LEN);
p2ps_wildcard = p2ps_wildcard_hash(p2p, hash, hash_count);
p2ps_wildcard = p2ps_wildcard_hash(p2p, hash, hash_count) &&
p2p_wfa_service_adv(p2p);
/* Allocate temp buffer, allowing for overflow of 1 instance */
tmp_buf = wpabuf_alloc(MAX_SVC_ADV_IE_LEN + 256 + P2PS_HASH_LEN);