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P2P: Add test command for filtering which peers are discovered

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"wpa_cli p2p_set peer_filter <MAC address>" can now be used to
only allow a single P2P Device (based on P2P Device Address) to be
discovered for testing. Setting the address to 00:00:00:00:00:00
disables the filter.
This commit is contained in:
Jouni Malinen 2010-06-28 22:11:39 -07:00 committed by Jouni Malinen
parent 6e6963ea86
commit 80c9582a5f
4 changed files with 32 additions and 0 deletions
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20
src/p2p/p2p.c
View file

@ -448,6 +448,14 @@ static int p2p_add_device(struct p2p_data *p2p, const u8 *addr, int freq,
return -1; return -1;
} }
if (!is_zero_ether_addr(p2p->peer_filter) &&
os_memcmp(p2p_dev_addr, p2p->peer_filter, ETH_ALEN) != 0) {
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Do not add peer "
"filter for " MACSTR " due to peer filter",
MAC2STR(p2p_dev_addr));
return 0;
}
dev = p2p_create_device(p2p, p2p_dev_addr); dev = p2p_create_device(p2p, p2p_dev_addr);
if (dev == NULL) { if (dev == NULL) {
p2p_parse_free(&msg); p2p_parse_free(&msg);
@ -2912,3 +2920,15 @@ int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
os_memcpy(iface_addr, dev->interface_addr, ETH_ALEN); os_memcpy(iface_addr, dev->interface_addr, ETH_ALEN);
return 0; return 0;
} }
void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr)
{
os_memcpy(p2p->peer_filter, addr, ETH_ALEN);
if (is_zero_ether_addr(p2p->peer_filter))
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Disable peer "
"filter");
else
wpa_msg(p2p->cfg->msg_ctx, MSG_DEBUG, "P2P: Enable peer "
"filter for " MACSTR, MAC2STR(p2p->peer_filter));
}

2
src/p2p/p2p.h
View file

@ -1213,4 +1213,6 @@ int p2p_set_ssid_postfix(struct p2p_data *p2p, const u8 *postfix, size_t len);
int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr, int p2p_get_interface_addr(struct p2p_data *p2p, const u8 *dev_addr,
u8 *iface_addr); u8 *iface_addr);
void p2p_set_peer_filter(struct p2p_data *p2p, const u8 *addr);
#endif /* P2P_H */ #endif /* P2P_H */

2
src/p2p/p2p_i.h
View file

@ -362,6 +362,8 @@ struct p2p_data {
unsigned int ext_listen_interval; unsigned int ext_listen_interval;
unsigned int ext_listen_interval_sec; unsigned int ext_listen_interval_sec;
unsigned int ext_listen_interval_usec; unsigned int ext_listen_interval_usec;
u8 peer_filter[ETH_ALEN];
}; };
/** /**

8
wpa_supplicant/ctrl_iface.c
View file

@ -2462,6 +2462,14 @@ static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
return 0; return 0;
} }
if (os_strcmp(cmd, "peer_filter") == 0) {
u8 addr[ETH_ALEN];
if (hwaddr_aton(param, addr))
return -1;
p2p_set_peer_filter(wpa_s->global->p2p, addr);
return 0;
}
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'", wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
cmd); cmd);