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HS 2.0R2: Add Icon Request and Icon binary File ANQP elements

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wpa_supplicant can request OSU icon data with "hs20_icon_request <BSSID>
<icon filename>". This transmits an Icon Request ANQP element and
processes the response in Icon Binary File ANQP elements.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2012-12-20 21:15:05 +02:00 committed by Jouni Malinen
parent 7ef6947993
commit 184e110caf
4 changed files with 91 additions and 0 deletions
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2
src/common/ieee802_11_defs.h
View file

@ -908,6 +908,8 @@ enum {
#define HS20_STYPE_CONNECTION_CAPABILITY 5
#define HS20_STYPE_NAI_HOME_REALM_QUERY 6
#define HS20_STYPE_OPERATING_CLASS 7
#define HS20_STYPE_ICON_REQUEST 10
#define HS20_STYPE_ICON_BINARY_FILE 11
#define HS20_DGAF_DISABLED 0x01
#define HS20_PPS_MO_ID_PRESENT 0x02

22
wpa_supplicant/ctrl_iface.c
View file

@ -5178,6 +5178,25 @@ static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
return ret;
}
static int hs20_icon_request(struct wpa_supplicant *wpa_s, char *cmd)
{
u8 dst_addr[ETH_ALEN];
int used;
char *icon;
used = hwaddr_aton2(cmd, dst_addr);
if (used < 0)
return -1;
while (cmd[used] == ' ')
used++;
icon = &cmd[used];
return hs20_anqp_send_req(wpa_s, dst_addr, BIT(HS20_STYPE_ICON_REQUEST),
(u8 *) icon, os_strlen(icon));
}
#endif /* CONFIG_HS20 */
@ -6103,6 +6122,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
} else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "HS20_ICON_REQUEST ", 18) == 0) {
if (hs20_icon_request(wpa_s, buf + 18) < 0)
reply_len = -1;
#endif /* CONFIG_HS20 */
} else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
{

46
wpa_supplicant/hs20_supplicant.c
View file

@ -105,6 +105,11 @@ struct wpabuf * hs20_build_anqp_req(u32 stypes, const u8 *payload,
wpabuf_put_u8(buf, 0); /* Reserved */
if (payload)
wpabuf_put_data(buf, payload, payload_len);
} else if (stypes == BIT(HS20_STYPE_ICON_REQUEST)) {
wpabuf_put_u8(buf, HS20_STYPE_ICON_REQUEST);
wpabuf_put_u8(buf, 0); /* Reserved */
if (payload)
wpabuf_put_data(buf, payload, payload_len);
} else {
u8 i;
wpabuf_put_u8(buf, HS20_STYPE_QUERY_LIST);
@ -167,6 +172,7 @@ void hs20_parse_rx_hs20_anqp_resp(struct wpa_supplicant *wpa_s,
u8 subtype;
struct wpa_bss *bss = wpa_bss_get_bssid(wpa_s, sa);
struct wpa_bss_anqp *anqp = NULL;
u16 data_len;
if (slen < 2)
return;
@ -232,6 +238,46 @@ void hs20_parse_rx_hs20_anqp_resp(struct wpa_supplicant *wpa_s,
wpabuf_alloc_copy(pos, slen);
}
break;
case HS20_STYPE_ICON_BINARY_FILE:
wpa_msg(wpa_s, MSG_INFO, "RX-HS20-ANQP " MACSTR
" Icon Binary File", MAC2STR(sa));
if (slen < 4) {
wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon "
"Binary File value from " MACSTR, MAC2STR(sa));
break;
}
wpa_printf(MSG_DEBUG, "HS 2.0: Download Status Code %u", *pos);
pos++;
slen--;
if ((size_t) 1 + pos[0] > slen) {
wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon "
"Binary File value from " MACSTR, MAC2STR(sa));
break;
}
wpa_hexdump_ascii(MSG_DEBUG, "Icon Type", pos + 1, pos[0]);
slen -= 1 + pos[0];
pos += 1 + pos[0];
if (slen < 2) {
wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon "
"Binary File value from " MACSTR, MAC2STR(sa));
break;
}
data_len = WPA_GET_BE16(pos);
pos += 2;
slen -= 2;
if (data_len > slen) {
wpa_dbg(wpa_s, MSG_DEBUG, "HS 2.0: Too short Icon "
"Binary File value from " MACSTR, MAC2STR(sa));
break;
}
wpa_printf(MSG_DEBUG, "Icon Binary Data: %u bytes", data_len);
break;
default:
wpa_printf(MSG_DEBUG, "HS20: Unsupported subtype %u", subtype);
break;

21
wpa_supplicant/wpa_cli.c
View file

@ -2298,6 +2298,24 @@ static int wpa_cli_cmd_get_nai_home_realm_list(struct wpa_ctrl *ctrl, int argc,
return wpa_ctrl_command(ctrl, cmd);
}
static int wpa_cli_cmd_hs20_icon_request(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
char cmd[512];
if (argc < 2) {
printf("Command needs two arguments (dst mac addr and "
"icon name)\n");
return -1;
}
if (write_cmd(cmd, sizeof(cmd), "HS20_ICON_REQUEST", argc, argv) < 0)
return -1;
return wpa_ctrl_command(ctrl, cmd);
}
#endif /* CONFIG_HS20 */
@ -2831,6 +2849,9 @@ static struct wpa_cli_cmd wpa_cli_commands[] = {
{ "nai_home_realm_list", wpa_cli_cmd_get_nai_home_realm_list,
wpa_cli_complete_bss, cli_cmd_flag_none,
"<addr> <home realm> = get HS20 nai home realm list" },
{ "hs20_icon_request", wpa_cli_cmd_hs20_icon_request,
wpa_cli_complete_bss, cli_cmd_flag_none,
"<addr> <icon name> = get Hotspot 2.0 OSU icon" },
#endif /* CONFIG_HS20 */
{ "sta_autoconnect", wpa_cli_cmd_sta_autoconnect, NULL,
cli_cmd_flag_none,