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P2P NFC: Allow separate WPS/P2P IES to be parsed

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This will be needed for processing the NFC connection handover messages
for P2P.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2013-02-15 17:07:28 +02:00 committed by Jouni Malinen
parent fca9958607
commit 0deab087cd
2 changed files with 29 additions and 0 deletions
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2
src/p2p/p2p_i.h
View file

@ -585,6 +585,8 @@ int p2p_channel_select(struct p2p_channels *chans, const int *classes,
int p2p_parse_p2p_ie(const struct wpabuf *buf, struct p2p_message *msg);
int p2p_parse_ies(const u8 *data, size_t len, struct p2p_message *msg);
int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg);
int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p,
size_t p2p_len, struct p2p_message *msg);
void p2p_parse_free(struct p2p_message *msg);
int p2p_attr_text(struct wpabuf *data, char *buf, char *end);
int p2p_group_info_parse(const u8 *gi, size_t gi_len,

27
src/p2p/p2p_parse.c
View file

@ -466,6 +466,33 @@ int p2p_parse(const u8 *data, size_t len, struct p2p_message *msg)
}
int p2p_parse_ies_separate(const u8 *wsc, size_t wsc_len, const u8 *p2p,
size_t p2p_len, struct p2p_message *msg)
{
os_memset(msg, 0, sizeof(*msg));
msg->wps_attributes = wpabuf_alloc_copy(wsc, wsc_len);
if (msg->wps_attributes &&
p2p_parse_wps_ie(msg->wps_attributes, msg)) {
p2p_parse_free(msg);
return -1;
}
msg->p2p_attributes = wpabuf_alloc_copy(p2p, p2p_len);
if (msg->p2p_attributes &&
p2p_parse_p2p_ie(msg->p2p_attributes, msg)) {
wpa_printf(MSG_DEBUG, "P2P: Failed to parse P2P IE data");
if (msg->p2p_attributes)
wpa_hexdump_buf(MSG_MSGDUMP, "P2P: P2P IE data",
msg->p2p_attributes);
p2p_parse_free(msg);
return -1;
}
return 0;
}
/**
* p2p_parse_free - Free temporary data from P2P parsing
* @msg: Parsed attributes