mirror of
https://github.com/berlin-open-wireless-lab/DAWN.git
synced 2025-03-09 15:40:12 +00:00
Merge branch 'refactor/hostapd_bindings'
This commit is contained in:
Polynomialdivision
commit
53605593d2
1 changed files with 210 additions and 181 deletions
391
src/utils/ubus.c
391
src/utils/ubus.c
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@ -57,9 +57,12 @@ struct uloop_timeout channel_utilization_timer = {
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#define MAX_HOSTAPD_SOCKETS 10
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#define MAX_INTERFACE_NAME 64
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struct hostapd_sock_entry{
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LIST_HEAD(hostapd_sock_list);
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struct hostapd_sock_entry {
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struct list_head list;
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uint32_t id;
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uint32_t obj_id;
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char iface_name[MAX_INTERFACE_NAME];
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uint8_t bssid_addr[ETH_ALEN];
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char ssid[SSID_MAX_LEN];
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@ -71,6 +74,8 @@ struct hostapd_sock_entry{
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int chan_util_num_sample_periods;
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int chan_util_average;
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struct ubus_subscriber subscriber;
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struct ubus_event_handler wait_handler;
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bool subscribed;
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};
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struct hostapd_sock_entry* hostapd_sock_arr[MAX_HOSTAPD_SOCKETS];
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@ -213,15 +218,10 @@ static const struct blobmsg_policy dawn_umdns_policy[__DAWN_UMDNS_MAX] = {
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};
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/* Function Definitions */
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static void hostapd_handle_remove(struct ubus_context *ctx,
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struct ubus_subscriber *s, uint32_t id);
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static int hostapd_notify(struct ubus_context *ctx, struct ubus_object *obj,
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struct ubus_request_data *req, const char *method,
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struct blob_attr *msg);
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static int add_subscriber(char *name);
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static int ubus_get_clients();
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static int
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@ -245,89 +245,25 @@ static int handle_set_probe(struct blob_attr *msg);
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static int parse_add_mac_to_file(struct blob_attr *msg);
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int hostapd_array_check_id(uint32_t id);
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void hostapd_array_insert(struct hostapd_sock_entry* entry);
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struct hostapd_sock_entry* hostapd_array_get_entry(uint32_t id);
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struct hostapd_sock_entry* hostapd_array_get_entry_by_object_id(uint32_t id);
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void hostapd_array_delete(uint32_t id);
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static void ubus_add_oject();
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static void respond_to_notify(uint32_t id);
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int handle_uci_config(struct blob_attr *msg);
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void subscribe_to_new_interfaces(const char *hostapd_sock_path);
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bool subscriber_to_interface(const char *ifname);
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bool subscribe(struct hostapd_sock_entry *hostapd_entry);
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void add_client_update_timer(time_t time) {
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uloop_timeout_set(&client_timer, time);
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}
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struct hostapd_sock_entry* hostapd_array_get_entry_by_object_id(uint32_t id) {
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for (int i = 0; i <= hostapd_sock_last; i++) {
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if (hostapd_sock_arr[i]->subscriber.obj.id == id) {
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return hostapd_sock_arr[i];
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}
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}
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return NULL;
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}
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struct hostapd_sock_entry* hostapd_array_get_entry(uint32_t id) {
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for (int i = 0; i <= hostapd_sock_last; i++) {
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if (hostapd_sock_arr[i]->id == id) {
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return hostapd_sock_arr[i];
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}
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}
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return NULL;
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}
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int hostapd_array_check_id(uint32_t id) {
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for (int i = 0; i <= hostapd_sock_last; i++) {
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if (hostapd_sock_arr[i]->id == id) {
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return 1;
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}
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}
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return 0;
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}
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void hostapd_array_insert(struct hostapd_sock_entry* entry) {
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if (hostapd_sock_last < MAX_HOSTAPD_SOCKETS) {
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hostapd_sock_last++;
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hostapd_sock_arr[hostapd_sock_last] = entry;
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}
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for (int i = 0; i <= hostapd_sock_last; i++) {
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printf("%d: %d\n", i, hostapd_sock_arr[i]->id);
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}
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}
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void hostapd_array_delete(uint32_t id) {
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int i = 0;
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int found_in_array = 0;
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if (hostapd_sock_last == -1) {
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return;
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}
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for (i = 0; i <= hostapd_sock_last; i++) {
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if (hostapd_sock_arr[i]->id == id) {
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found_in_array = 1;
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// in thisfunction we are freeing the struct
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free(hostapd_sock_arr[i]);
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break;
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}
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}
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for (int j = i; j <= hostapd_sock_last; j++) {
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hostapd_sock_arr[j] = hostapd_sock_arr[j + 1];
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}
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if (hostapd_sock_last > -1 && found_in_array) {
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hostapd_sock_last--;
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}
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static inline int
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subscription_wait(struct ubus_event_handler *handler) {
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return ubus_register_event_handler(ctx, handler, "ubus.object.add");
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}
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void blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const uint8_t *addr) {
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@ -338,7 +274,6 @@ void blobmsg_add_macaddr(struct blob_buf *buf, const char *name, const uint8_t *
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blobmsg_add_string_buffer(buf);
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}
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static int decide_function(probe_entry *prob_req, int req_type) {
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if (mac_in_maclist(prob_req->client_addr)) {
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return 1;
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@ -367,18 +302,6 @@ static int decide_function(probe_entry *prob_req, int req_type) {
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return 1;
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}
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static void hostapd_handle_remove(struct ubus_context *ctx,
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struct ubus_subscriber *s, uint32_t id) {
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int ret;
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fprintf(stderr, "Object %08x went away\n", id);
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ret= ubus_unsubscribe(ctx, s, id);
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if (ret)
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fprintf(stderr, "Removing object %08x: %s\n", id, ubus_strerror(ret));
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hostapd_array_delete(id);
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}
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int parse_to_hostapd_notify(struct blob_attr *msg, hostapd_notify_entry *notify_req) {
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struct blob_attr *tb[__HOSTAPD_NOTIFY_MAX];
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@ -713,73 +636,6 @@ static int hostapd_notify(struct ubus_context *ctx, struct ubus_object *obj,
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return 0;
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}
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static int add_subscriber(char *name) {
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char subscribe_name[300];
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int ret;
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struct hostapd_sock_entry *hostapd_entry;
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uint32_t id = 0;
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sprintf(subscribe_name, "hostapd.%s", name);
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if (ubus_lookup_id(ctx, subscribe_name, &id)) {
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fprintf(stderr, "Failed to look up test object for %s\n", subscribe_name);
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return -1;
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}
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if(hostapd_array_check_id(id))
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{
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// entry already existing
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return 0;
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}
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hostapd_entry = calloc(1, sizeof(struct hostapd_sock_entry));
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hostapd_entry->id = id;
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hostapd_entry->subscriber.remove_cb = hostapd_handle_remove;
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hostapd_entry->subscriber.cb = hostapd_notify;
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strcpy(hostapd_entry->iface_name, name);
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get_bssid(name, hostapd_entry->bssid_addr);
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get_ssid(name, hostapd_entry->ssid);
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// TODO: here we need to add ht and vht supported!!!
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// actually we wanted to use an ubus call but for now we can use libiwinfo
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hostapd_entry->ht_support = (uint8_t) support_ht(name);
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hostapd_entry->vht_support = (uint8_t) support_vht(name);
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ret = ubus_register_subscriber(ctx, &hostapd_entry->subscriber);
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ret = ubus_subscribe( ctx, &hostapd_entry->subscriber, id);
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hostapd_array_insert(hostapd_entry);
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fprintf(stderr, "Watching object %08x: %s\n", id, ubus_strerror(ret));
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respond_to_notify(id);
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return 0;
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}
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static int subscribe_to_hostapd_interfaces(const char *hostapd_dir) {
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DIR *dirp;
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struct dirent *entry;
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if (ctx == NULL) {
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return 0;
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}
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dirp = opendir(hostapd_dir); // error handling?
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if (!dirp) {
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fprintf(stderr, "[SUBSCRIBING] No hostapd sockets!\n");
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return -1;
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}
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while ((entry = readdir(dirp)) != NULL) {
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if (entry->d_type == DT_SOCK) {
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add_subscriber(entry->d_name);
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}
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}
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closedir(dirp);
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return 0;
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}
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int dawn_init_ubus(const char *ubus_socket, const char *hostapd_dir) {
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uloop_init();
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signal(SIGPIPE, SIG_IGN);
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@ -816,7 +672,7 @@ int dawn_init_ubus(const char *ubus_socket, const char *hostapd_dir) {
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if (network_config.network_option == 2)
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run_server(network_config.tcp_port);
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subscribe_to_hostapd_interfaces(hostapd_dir_glob);
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subscribe_to_new_interfaces(hostapd_dir_glob);
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uloop_run();
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@ -977,6 +833,7 @@ int parse_to_clients(struct blob_attr *msg, int do_kick, uint32_t id) {
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}
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static void ubus_get_clients_cb(struct ubus_request *req, int type, struct blob_attr *msg) {
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struct hostapd_sock_entry *sub, *entry = NULL;
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if (!msg)
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return;
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@ -987,10 +844,20 @@ static void ubus_get_clients_cb(struct ubus_request *req, int type, struct blob_
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blobmsg_add_u32(&b_domain, "collision_domain", network_config.collision_domain);
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blobmsg_add_u32(&b_domain, "bandwidth", network_config.bandwidth);
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struct hostapd_sock_entry *entry = hostapd_array_get_entry(req->peer);
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if(entry->id != req->peer)
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list_for_each_entry(sub, &hostapd_sock_list, list)
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{
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fprintf(stderr, "Failed to find hostapd sock entry in callback with id %d\n", req->peer);
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if (sub->id == req->peer) {
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entry = sub;
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}
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}
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if (entry == NULL) {
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fprintf(stderr, "Failed to find interface!\n");
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return;
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}
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if (!entry->subscribed) {
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fprintf(stderr, "Interface %s is not subscribed!\n", entry->iface_name);
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return;
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}
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@ -1009,13 +876,19 @@ static void ubus_get_clients_cb(struct ubus_request *req, int type, struct blob_
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print_ap_array();
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free(data_str);
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}
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static int ubus_get_clients() {
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int timeout = 1;
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for (int i = 0; i <= hostapd_sock_last; i++) {
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blob_buf_init(&b_clients, 0);
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ubus_invoke(ctx, hostapd_sock_arr[i]->id, "get_clients", b_clients.head, ubus_get_clients_cb, NULL, timeout * 1000);
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struct hostapd_sock_entry *sub;
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list_for_each_entry(sub, &hostapd_sock_list, list)
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{
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if (sub->subscribed) {
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blob_buf_init(&b_clients, 0);
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ubus_invoke(ctx, sub->id, "get_clients", b_clients.head, ubus_get_clients_cb, NULL, timeout * 1000);
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}
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}
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return 0;
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}
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@ -1027,16 +900,21 @@ void update_clients(struct uloop_timeout *t) {
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}
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void update_channel_utilization(struct uloop_timeout *t) {
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for (int i = 0; i <= hostapd_sock_last; i++) {
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struct hostapd_sock_entry *sub;
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hostapd_sock_arr[i]->chan_util_samples_sum += get_channel_utilization(hostapd_sock_arr[i]->iface_name, &hostapd_sock_arr[i]->last_channel_time, &hostapd_sock_arr[i]->last_channel_time_busy);
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hostapd_sock_arr[i]->chan_util_num_sample_periods++;
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list_for_each_entry(sub, &hostapd_sock_list, list)
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{
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if(hostapd_sock_arr[i]->chan_util_num_sample_periods > dawn_metric.chan_util_avg_period)
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{
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hostapd_sock_arr[i]->chan_util_average = hostapd_sock_arr[i]->chan_util_samples_sum / hostapd_sock_arr[i]->chan_util_num_sample_periods;
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hostapd_sock_arr[i]->chan_util_samples_sum = 0;
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hostapd_sock_arr[i]->chan_util_num_sample_periods = 0;
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if (sub->subscribed) {
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sub->chan_util_samples_sum += get_channel_utilization(sub->iface_name, &sub->last_channel_time,
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&sub->last_channel_time_busy);
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sub->chan_util_num_sample_periods++;
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if (sub->chan_util_num_sample_periods > dawn_metric.chan_util_avg_period) {
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sub->chan_util_average = sub->chan_util_samples_sum / sub->chan_util_num_sample_periods;
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sub->chan_util_samples_sum = 0;
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sub->chan_util_num_sample_periods = 0;
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}
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}
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}
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uloop_timeout_set(&channel_utilization_timer, timeout_config.update_chan_util * 1000);
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@ -1053,24 +931,30 @@ void start_umdns_update() {
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}
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void update_hostapd_sockets(struct uloop_timeout *t) {
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subscribe_to_hostapd_interfaces(hostapd_dir_glob);
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subscribe_to_new_interfaces(hostapd_dir_glob);
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uloop_timeout_set(&hostapd_timer, timeout_config.update_hostapd * 1000);
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}
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void del_client_all_interfaces(const uint8_t *client_addr, uint32_t reason, uint8_t deauth, uint32_t ban_time) {
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struct hostapd_sock_entry *sub;
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blob_buf_init(&b, 0);
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blobmsg_add_macaddr(&b, "addr", client_addr);
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blobmsg_add_u32(&b, "reason", reason);
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blobmsg_add_u8(&b, "deauth", deauth);
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blobmsg_add_u32(&b, "ban_time", ban_time);
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for (int i = 0; i <= hostapd_sock_last; i++) {
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int timeout = 1;
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ubus_invoke(ctx, hostapd_sock_arr[i]->id, "del_client", b.head, NULL, NULL, timeout * 1000);
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list_for_each_entry(sub, &hostapd_sock_list, list)
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{
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if (sub->subscribed) {
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int timeout = 1;
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ubus_invoke(ctx, sub->id, "del_client", b.head, NULL, NULL, timeout * 1000);
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}
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}
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}
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void del_client_interface(uint32_t id, const uint8_t *client_addr, uint32_t reason, uint8_t deauth, uint32_t ban_time) {
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struct hostapd_sock_entry *sub;
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blob_buf_init(&b, 0);
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blobmsg_add_macaddr(&b, "addr", client_addr);
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@ -1078,8 +962,15 @@ void del_client_interface(uint32_t id, const uint8_t *client_addr, uint32_t reas
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blobmsg_add_u8(&b, "deauth", deauth);
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blobmsg_add_u32(&b, "ban_time", ban_time);
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int timeout = 1;
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ubus_invoke(ctx, id, "del_client", b.head, NULL, NULL, timeout * 1000);
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list_for_each_entry(sub, &hostapd_sock_list, list)
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{
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if (sub->subscribed) {
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int timeout = 1;
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ubus_invoke(ctx, id, "del_client", b.head, NULL, NULL, timeout * 1000);
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}
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}
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}
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static void ubus_umdns_cb(struct ubus_request *req, int type, struct blob_attr *msg) {
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@ -1293,6 +1184,144 @@ static void respond_to_notify(uint32_t id) {
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fprintf(stderr, "Failed to invoke: %s\n", ubus_strerror(ret));
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}
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static void hostapd_handle_remove(struct ubus_context *ctx,
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struct ubus_subscriber *s, uint32_t id) {
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fprintf(stdout, "Object %08x went away\n", id);
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struct hostapd_sock_entry *hostapd_sock = container_of(s,
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struct hostapd_sock_entry, subscriber);
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if (hostapd_sock->id != id) {
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printf("ID NOT THE SAME!\n");
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return;
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}
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hostapd_sock->subscribed = false;
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subscription_wait(&hostapd_sock->wait_handler);
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}
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bool subscribe(struct hostapd_sock_entry *hostapd_entry) {
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char subscribe_name[sizeof("hostapd.") + MAX_INTERFACE_NAME + 1];
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if (hostapd_entry->subscribed)
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return false;
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sprintf(subscribe_name, "hostapd.%s", hostapd_entry->iface_name);
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if (ubus_lookup_id(ctx, subscribe_name, &hostapd_entry->id)) {
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fprintf(stdout, "Failed to lookup ID!");
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subscription_wait(&hostapd_entry->wait_handler);
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return false;
|
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}
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||||
if (ubus_subscribe(ctx, &hostapd_entry->subscriber, hostapd_entry->id)) {
|
||||
fprintf(stdout, "Failed to register subscriber!");
|
||||
subscription_wait(&hostapd_entry->wait_handler);
|
||||
return false;
|
||||
}
|
||||
|
||||
hostapd_entry->subscribed = true;
|
||||
|
||||
get_bssid(hostapd_entry->iface_name, hostapd_entry->bssid_addr);
|
||||
get_ssid(hostapd_entry->iface_name, hostapd_entry->ssid);
|
||||
|
||||
hostapd_entry->ht_support = (uint8_t) support_ht(hostapd_entry->iface_name);
|
||||
hostapd_entry->vht_support = (uint8_t) support_vht(hostapd_entry->iface_name);
|
||||
|
||||
respond_to_notify(hostapd_entry->id);
|
||||
|
||||
printf("Subscribed to: %s\n", hostapd_entry->iface_name);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static void
|
||||
wait_cb(struct ubus_context *ctx, struct ubus_event_handler *ev_handler,
|
||||
const char *type, struct blob_attr *msg) {
|
||||
static const struct blobmsg_policy wait_policy = {
|
||||
"path", BLOBMSG_TYPE_STRING
|
||||
};
|
||||
|
||||
struct blob_attr *attr;
|
||||
const char *path;
|
||||
struct hostapd_sock_entry *sub = container_of(ev_handler,
|
||||
struct hostapd_sock_entry, wait_handler);
|
||||
|
||||
if (strcmp(type, "ubus.object.add"))
|
||||
return;
|
||||
|
||||
blobmsg_parse(&wait_policy, 1, &attr, blob_data(msg), blob_len(msg));
|
||||
if (!attr)
|
||||
return;
|
||||
|
||||
path = blobmsg_data(attr);
|
||||
|
||||
path = strchr(path, '.');
|
||||
if (!path)
|
||||
return;
|
||||
|
||||
if (strcmp(sub->iface_name, path + 1))
|
||||
return;
|
||||
|
||||
subscribe(sub);
|
||||
}
|
||||
|
||||
bool subscriber_to_interface(const char *ifname) {
|
||||
|
||||
struct hostapd_sock_entry *hostapd_entry;
|
||||
|
||||
hostapd_entry = calloc(1, sizeof(struct hostapd_sock_entry));
|
||||
strcpy(hostapd_entry->iface_name, ifname);
|
||||
hostapd_entry->subscriber.cb = hostapd_notify;
|
||||
hostapd_entry->subscriber.remove_cb = hostapd_handle_remove;
|
||||
hostapd_entry->wait_handler.cb = wait_cb;
|
||||
|
||||
hostapd_entry->subscribed = false;
|
||||
|
||||
if (ubus_register_subscriber(ctx, &hostapd_entry->subscriber)) {
|
||||
fprintf(stderr, "Failed to register subscriber!");
|
||||
return false;
|
||||
}
|
||||
|
||||
list_add(&hostapd_entry->list, &hostapd_sock_list);
|
||||
|
||||
return subscribe(hostapd_entry);
|
||||
}
|
||||
|
||||
void subscribe_to_new_interfaces(const char *hostapd_sock_path) {
|
||||
DIR *dirp;
|
||||
struct dirent *entry;
|
||||
struct hostapd_sock_entry *sub = NULL;
|
||||
|
||||
if (ctx == NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
dirp = opendir(hostapd_sock_path); // error handling?
|
||||
if (!dirp) {
|
||||
fprintf(stderr, "[SUBSCRIBING] No hostapd sockets!\n");
|
||||
return;
|
||||
}
|
||||
while ((entry = readdir(dirp)) != NULL) {
|
||||
if (entry->d_type == DT_SOCK) {
|
||||
bool do_subscribe = true;
|
||||
list_for_each_entry(sub, &hostapd_sock_list, list)
|
||||
{
|
||||
if (strncmp(sub->iface_name, entry->d_name, MAX_INTERFACE_NAME) == 0) {
|
||||
do_subscribe = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (do_subscribe) {
|
||||
subscriber_to_interface(entry->d_name);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
closedir(dirp);
|
||||
return;
|
||||
}
|
||||
|
||||
int uci_send_via_network()
|
||||
{
|
||||
void *metric, *times;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue