#include <arpa/nameser.h>
#include <sys/socket.h>
+#include <ifaddrs.h>
#include <resolv.h>
#include <glob.h>
#include <stdio.h>
#include "service.h"
#include "util.h"
#include "interface.h"
+#include "announce.h"
enum {
SERVICE_PORT,
[SERVICE_TXT] = { .name = "txt", .type = BLOBMSG_TYPE_ARRAY },
};
-static const struct uci_blob_param_list service_attr_list = {
- .n_params = __SERVICE_MAX,
- .params = service_policy,
-};
-
static void
service_update(struct vlist_tree *tree, struct vlist_node *node_new,
struct vlist_node *node_old);
static struct blob_buf b;
static VLIST_TREE(services, avl_strcmp, service_update, false, false);
-char *hostname = NULL;
static char *sdudp = "_services._dns-sd._udp.local";
static char *sdtcp = "_services._dns-sd._tcp.local";
-char *
+static const char *
service_name(const char *domain)
{
static char buffer[256];
- snprintf(buffer, sizeof(buffer), "%s.%s", hostname, domain);
+ snprintf(buffer, sizeof(buffer), "%s.%s", mdns_hostname, domain);
return buffer;
}
if (len < 1)
return;
- dns_add_answer(TYPE_PTR, mdns_buf, len);
+ dns_add_answer(TYPE_PTR, mdns_buf, len, announce_ttl);
}
static void
service_add_srv(struct service *s)
{
struct dns_srv_data *sd = (struct dns_srv_data *) mdns_buf;
- char *host = service_name("local");
int len = sizeof(*sd);
- len += dn_comp(host, mdns_buf + len, sizeof(mdns_buf) - len, NULL, NULL);
+ len += dn_comp(mdns_hostname_local, mdns_buf + len, sizeof(mdns_buf) - len, NULL, NULL);
if (len <= sizeof(*sd))
return;
sd->port = cpu_to_be16(s->port);
- dns_add_answer(TYPE_SRV, mdns_buf, len);
- service_name(s->service);
+ dns_add_answer(TYPE_SRV, mdns_buf, len, announce_ttl);
}
#define TOUT_LOOKUP 60
void
service_reply_a(struct interface *iface, int type)
{
- if (type != TYPE_A)
- return;
+ struct ifaddrs *ifap, *ifa;
+ struct sockaddr_in *sa;
+ struct sockaddr_in6 *sa6;
+ char *addr;
+
+ getifaddrs(&ifap);
dns_init_answer();
- dns_add_answer(TYPE_A, (uint8_t *) &iface->v4_addr.s_addr, 4);
- dns_send_answer(iface, service_name("local"));
+ for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
+ if (strcmp(ifa->ifa_name, iface->name))
+ continue;
+ if (ifa->ifa_addr->sa_family==AF_INET) {
+ sa = (struct sockaddr_in *) ifa->ifa_addr;
+ addr = inet_ntoa(sa->sin_addr);
+ printf("Interface: %s\tAddress4: %s\n", ifa->ifa_name, addr);
+ dns_add_answer(TYPE_A, (uint8_t *) &sa->sin_addr, 4, announce_ttl);
+ }
+ if (ifa->ifa_addr->sa_family==AF_INET6) {
+ uint8_t ll_prefix[] = {0xfe, 0x80 };
+ char buf[64] = { 0 };
+ sa6 = (struct sockaddr_in6 *) ifa->ifa_addr;
+ if (!memcmp(&sa6->sin6_addr, &ll_prefix, 2)) {
+ if (inet_ntop(AF_INET6, &sa6->sin6_addr, buf, 64))
+ printf("Interface: %s\tAddress6: %s\n", ifa->ifa_name, buf);
+ dns_add_answer(TYPE_AAAA, (uint8_t *) &sa6->sin6_addr, 16, announce_ttl);
+ }
+ }
+ }
+ dns_send_answer(iface, mdns_hostname_local);
+
+ freeifaddrs(ifap);
}
void
struct service *s;
vlist_for_each_element(&services, s, node) {
- char *host = service_name(s->service);
+ const char *host = service_name(s->service);
char *service = strstr(host, "._");
if (!s->active || !service || !service_timeout(s))
dns_init_answer();
service_add_srv(s);
if (s->txt && s->txt_len)
- dns_add_answer(TYPE_TXT, (uint8_t *) s->txt, s->txt_len);
+ dns_add_answer(TYPE_TXT, (uint8_t *) s->txt, s->txt_len, announce_ttl);
dns_send_answer(iface, host);
}
void
service_init(void)
{
- if (!hostname)
- hostname = get_hostname();
+ get_hostname();
vlist_update(&services);
service_load("/tmp/run/mdnsd/*");