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WPS: Add hostapd_cli get_config command

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This can be used by a WPS UI to display the current AP configuration.
This commit is contained in:
Jouni Malinen 2010-09-23 12:02:28 -07:00 committed by Jouni Malinen
parent 3981cb3cb8
commit 403b96fe4f
3 changed files with 181 additions and 0 deletions
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3
hostapd/README-WPS
View file

@ -236,6 +236,9 @@ hostapd_cli wps_ap_pin set <PIN> [timeout]
- if the optional timeout parameter is given, the AP PIN will be enabled
for the specified number of seconds
hostapd_cli get_config
- display the current configuration
Credential generation and configuration changes
-----------------------------------------------

169
hostapd/ctrl_iface.c
View file

@ -493,6 +493,172 @@ static int hostapd_ctrl_iface_wps_ap_pin(struct hostapd_data *hapd, char *txt,
#endif /* CONFIG_WPS */
static int hostapd_ctrl_iface_get_config(struct hostapd_data *hapd,
char *buf, size_t buflen)
{
int ret;
char *pos, *end;
pos = buf;
end = buf + buflen;
ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n"
"ssid=%s\n",
MAC2STR(hapd->own_addr),
hapd->conf->ssid.ssid);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
#ifdef CONFIG_WPS
ret = os_snprintf(pos, end - pos, "wps_state=%s\n",
hapd->conf->wps_state == 0 ? "disabled" :
(hapd->conf->wps_state == 1 ? "not configured" :
"configured"));
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
if (hapd->conf->wps_state &&
hapd->conf->ssid.wpa_passphrase) {
ret = os_snprintf(pos, end - pos, "passphrase=%s\n",
hapd->conf->ssid.wpa_passphrase);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if (hapd->conf->wps_state && hapd->conf->ssid.wpa_psk &&
hapd->conf->ssid.wpa_psk->group) {
char hex[PMK_LEN * 2 + 1];
wpa_snprintf_hex(hex, sizeof(hex),
hapd->conf->ssid.wpa_psk->psk, PMK_LEN);
ret = os_snprintf(pos, end - pos, "psk=%s\n", hex);
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
#endif /* CONFIG_WPS */
if (hapd->conf->wpa && hapd->conf->wpa_key_mgmt) {
ret = os_snprintf(pos, end - pos, "key_mgmt=");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) {
ret = os_snprintf(pos, end - pos, "WPA-PSK ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
ret = os_snprintf(pos, end - pos, "WPA-EAP ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
#ifdef CONFIG_IEEE80211R
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) {
ret = os_snprintf(pos, end - pos, "FT-PSK ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
ret = os_snprintf(pos, end - pos, "FT-EAP ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
#endif /* CONFIG_IEEE80211R */
#ifdef CONFIG_IEEE80211W
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
ret = os_snprintf(pos, end - pos, "WPA-PSK-SHA256 ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
ret = os_snprintf(pos, end - pos, "WPA-EAP-SHA256 ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
#endif /* CONFIG_IEEE80211W */
ret = os_snprintf(pos, end - pos, "\n");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa_group == WPA_CIPHER_CCMP) {
ret = os_snprintf(pos, end - pos, "group_cipher=CCMP\n");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
} else if (hapd->conf->wpa_group == WPA_CIPHER_TKIP) {
ret = os_snprintf(pos, end - pos, "group_cipher=TKIP\n");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if ((hapd->conf->wpa & WPA_PROTO_RSN) && hapd->conf->rsn_pairwise) {
ret = os_snprintf(pos, end - pos, "rsn_pairwise_cipher=");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
if (hapd->conf->rsn_pairwise & WPA_CIPHER_CCMP) {
ret = os_snprintf(pos, end - pos, "CCMP ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if (hapd->conf->rsn_pairwise & WPA_CIPHER_TKIP) {
ret = os_snprintf(pos, end - pos, "TKIP ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
ret = os_snprintf(pos, end - pos, "\n");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if ((hapd->conf->wpa & WPA_PROTO_WPA) && hapd->conf->wpa_pairwise) {
ret = os_snprintf(pos, end - pos, "wpa_pairwise_cipher=");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
if (hapd->conf->wpa_pairwise & WPA_CIPHER_CCMP) {
ret = os_snprintf(pos, end - pos, "CCMP ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa_pairwise & WPA_CIPHER_TKIP) {
ret = os_snprintf(pos, end - pos, "TKIP ");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
ret = os_snprintf(pos, end - pos, "\n");
if (ret < 0 || ret >= end - pos)
return pos - buf;
pos += ret;
}
return pos - buf;
}
static int hostapd_ctrl_iface_set(struct hostapd_data *wpa_s, char *cmd)
{
char *value;
@ -650,6 +816,9 @@ static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
reply_len = hostapd_ctrl_iface_wps_ap_pin(hapd, buf + 11,
reply, reply_size);
#endif /* CONFIG_WPS */
} else if (os_strcmp(buf, "GET_CONFIG") == 0) {
reply_len = hostapd_ctrl_iface_get_config(hapd, reply,
reply_size);
} else if (os_strncmp(buf, "SET ", 4) == 0) {
if (hostapd_ctrl_iface_set(hapd, buf + 4))
reply_len = -1;

9
hostapd/hostapd_cli.c
View file

@ -97,6 +97,7 @@ static const char *commands_help =
#endif /* CONFIG_WPS_OOB */
" wps_ap_pin <cmd> [params..] enable/disable AP PIN\n"
#endif /* CONFIG_WPS */
" get_config show current configuration\n"
" help show this usage help\n"
" interface [ifname] show interfaces/select interface\n"
" level <debug level> change debug level\n"
@ -460,6 +461,13 @@ static int hostapd_cli_cmd_wps_ap_pin(struct wpa_ctrl *ctrl, int argc,
#endif /* CONFIG_WPS */
static int hostapd_cli_cmd_get_config(struct wpa_ctrl *ctrl, int argc,
char *argv[])
{
return wpa_ctrl_command(ctrl, "GET_CONFIG");
}
static int wpa_ctrl_command_sta(struct wpa_ctrl *ctrl, char *cmd,
char *addr, size_t addr_len)
{
@ -642,6 +650,7 @@ static struct hostapd_cli_cmd hostapd_cli_commands[] = {
#endif /* CONFIG_WPS_OOB */
{ "wps_ap_pin", hostapd_cli_cmd_wps_ap_pin },
#endif /* CONFIG_WPS */
{ "get_config", hostapd_cli_cmd_get_config },
{ "help", hostapd_cli_cmd_help },
{ "interface", hostapd_cli_cmd_interface },
{ "level", hostapd_cli_cmd_level },