/** * 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; }