/**
* wpa_config_add_network - Add a new network with empty configuration
* @config: Configuration data from wpa_config_read()
* Returns: The new network configuration or %NULL if operation failed
*/
struct wpa_ssid * wpa_config_add_network(struct wpa_config *config)
{
int id;
struct wpa_ssid *ssid, *last = NULL;
id = -1;
ssid = config->ssid;
while (ssid) {
if (ssid->id > id)
id = ssid->id;
last = ssid;
ssid = ssid->next;
}
id++;
ssid = os_zalloc(sizeof(*ssid));
if (ssid == NULL)
return NULL;
ssid->id = id;
if (last)
last->next = ssid;
else
config->ssid = ssid;
wpa_config_update_prio_list(config);
return ssid;
}
static int wpa_supplicant_ctrl_iface_set_network(
struct wpa_supplicant *wpa_s, char *cmd)
{
int id;
struct wpa_ssid *ssid;
char *name, *value;
/* cmd: "<network id> <variable name> <value>" */
name = os_strchr(cmd, ' ');
if (name == NULL)
return -1;
*name++ = '\0';
value = os_strchr(name, ' ');
if (value == NULL)
return -1;
*value++ = '\0';
id = atoi(cmd);
wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
id, name);
wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
(u8 *) value, os_strlen(value));
ssid = wpa_config_get_network(wpa_s->conf, id);
if (ssid == NULL) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
"id=%d", id);
return -1;
}
if (wpa_config_set(ssid, name, value, 0) < 0) {
wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
"variable '%s'", name);
return -1;
} else {
if (os_strcmp(name, "priority") == 0) {
wpa_config_update_prio_list(wpa_s->conf);
}
}
if (wpa_s->current_ssid == ssid) {
/*
* Invalidate the EAP session cache if anything in the current
* configuration changes.
*/
eapol_sm_invalidate_cached_session(wpa_s->eapol);
}
if ((os_strcmp(name, "psk") == 0 &&
value[0] == '"' && ssid->ssid_len) ||
(os_strcmp(name, "ssid") == 0 && ssid->passphrase))
wpa_config_update_psk(ssid);
return 0;
}
/**
* wpa_config_remove_network - Remove a configured network based on id
* @config: Configuration data from wpa_config_read()
* @id: Unique network id to search for
* Returns: 0 on success, or -1 if the network was not found
*/
int wpa_config_remove_network(struct wpa_config *config, int id)
{
struct wpa_ssid *ssid, *prev = NULL;
ssid = config->ssid;
while (ssid) {
if (id == ssid->id)
break;
prev = ssid;
ssid = ssid->next;
}
if (ssid == NULL)
return -1;
if (prev)
prev->next = ssid->next;
else
config->ssid = ssid->next;
wpa_config_update_prio_list(config);
wpa_config_free_ssid(ssid);
return 0;
}
/**
* wpas_dbus_iface_set_network - Set options for a configured network
* @message: Pointer to incoming dbus message
* @wpa_s: wpa_supplicant structure for a network interface
* @ssid: wpa_ssid structure for a configured network
* Returns: a dbus message containing a UINT32 indicating success (1) or
* failure (0)
*
* Handler function for "set" method call of a configured network.
*/
DBusMessage * wpas_dbus_iface_set_network(DBusMessage *message,
struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid)
{
DBusMessage *reply = NULL;
struct wpa_dbus_dict_entry entry = { .type = DBUS_TYPE_STRING };
DBusMessageIter iter, iter_dict;
dbus_message_iter_init(message, &iter);
if (!wpa_dbus_dict_open_read(&iter, &iter_dict)) {
reply = wpas_dbus_new_invalid_opts_error(message, NULL);
goto out;
}
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
char *value = NULL;
size_t size = 50;
int ret;
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry)) {
reply = wpas_dbus_new_invalid_opts_error(message,
NULL);
goto out;
}
/* Type conversions, since wpa_supplicant wants strings */
if (entry.type == DBUS_TYPE_ARRAY &&
entry.array_type == DBUS_TYPE_BYTE) {
if (entry.array_len <= 0)
goto error;
size = entry.array_len * 2 + 1;
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = wpa_snprintf_hex(value, size,
(u8 *) entry.bytearray_value,
entry.array_len);
if (ret <= 0)
goto error;
} else if (entry.type == DBUS_TYPE_STRING) {
if (should_quote_opt(entry.key)) {
size = os_strlen(entry.str_value);
/* Zero-length option check */
if (size <= 0)
goto error;
size += 3; /* For quotes and terminator */
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = os_snprintf(value, size, "\"%s\"",
entry.str_value);
if (ret < 0 || (size_t) ret != (size - 1))
goto error;
} else {
value = os_strdup(entry.str_value);
if (value == NULL)
goto error;
}
} else if (entry.type == DBUS_TYPE_UINT32) {
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = os_snprintf(value, size, "%u",
entry.uint32_value);
if (ret <= 0)
goto error;
} else if (entry.type == DBUS_TYPE_INT32) {
value = os_zalloc(size);
if (value == NULL)
goto error;
ret = os_snprintf(value, size, "%d",
entry.int32_value);
if (ret <= 0)
goto error;
} else
goto error;
if (wpa_config_set(ssid, entry.key, value, 0) < 0)
goto error;
if ((os_strcmp(entry.key, "psk") == 0 &&
value[0] == '"' && ssid->ssid_len) ||
(os_strcmp(entry.key, "ssid") == 0 && ssid->passphrase))
wpa_config_update_psk(ssid);
else if (os_strcmp(entry.key, "priority") == 0)
wpa_config_update_prio_list(wpa_s->conf);
os_free(value);
wpa_dbus_dict_entry_clear(&entry);
continue;
error:
os_free(value);
reply = wpas_dbus_new_invalid_opts_error(message, entry.key);
wpa_dbus_dict_entry_clear(&entry);
break;
}
if (!reply)
reply = wpas_dbus_new_success_reply(message);
out:
return reply;
}
