X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fmdnsd.git;a=blobdiff_plain;f=service.c;h=e375fced85ffb8f1a13a8d0b4cd8933a06c79f56;hp=0b42aeeb3c47c90bdc08c3f494044dd70df27e48;hb=9879d5fcafed84a912baa8e2e2d3e73df1a9236d;hpb=42749216453719dc255c56ff72848b5472138a54 diff --git a/service.c b/service.c index 0b42aee..e375fce 100644 --- a/service.c +++ b/service.c @@ -15,15 +15,11 @@ #include #include -#include #include #include #include #include -#include -#include - #include #include #include @@ -69,8 +65,8 @@ service_update(struct vlist_tree *tree, struct vlist_node *node_new, static struct blob_buf b; static VLIST_TREE(services, avl_strcmp, service_update, false, false); -static char *sdudp = "_services._dns-sd._udp.local"; -static char *sdtcp = "_services._dns-sd._tcp.local"; +char *sdudp = "_services._dns-sd._udp.local"; +char *sdtcp = "_services._dns-sd._tcp.local"; static int service_init_announce; static const char * @@ -110,7 +106,7 @@ service_add_srv(struct service *s, int ttl) #define TOUT_LOOKUP 60 -static int +static time_t service_timeout(struct service *s) { time_t t = monotonic_time(); @@ -118,53 +114,23 @@ service_timeout(struct service *s) if (t - s->t <= TOUT_LOOKUP) return 0; - s->t = t; - - return 1; -} - -void -service_reply_a(struct interface *iface, int ttl) -{ - struct ifaddrs *ifap, *ifa; - struct sockaddr_in *sa; - struct sockaddr_in6 *sa6; - - getifaddrs(&ifap); - - dns_init_answer(); - 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; - dns_add_answer(TYPE_A, (uint8_t *) &sa->sin_addr, 4, ttl); - } - if (ifa->ifa_addr->sa_family == AF_INET6) { - uint8_t ll_prefix[] = {0xfe, 0x80 }; - sa6 = (struct sockaddr_in6 *) ifa->ifa_addr; - if (!memcmp(&sa6->sin6_addr, &ll_prefix, 2)) - dns_add_answer(TYPE_AAAA, (uint8_t *) &sa6->sin6_addr, 16, ttl); - } - } - dns_send_answer(iface, mdns_hostname_local); - - freeifaddrs(ifap); + return t; } static void -service_reply_single(struct interface *iface, struct service *s, const char *match, int ttl, int force) +service_reply_single(struct interface *iface, struct service *s, int ttl, int force) { const char *host = service_name(s->service); char *service = strstr(host, "._"); + time_t t = service_timeout(s); + - if (!force && (!s->active || !service || !service_timeout(s))) + if (!force && (!s->active || !service || !t)) return; service++; - if (match && strcmp(match, s->service)) - return; + s->t = t; dns_init_answer(); service_add_ptr(service_name(s->service), ttl); @@ -182,26 +148,16 @@ service_reply(struct interface *iface, const char *match, int ttl) { struct service *s; - vlist_for_each_element(&services, s, node) - service_reply_single(iface, s, match, ttl, 0); - - if (match) - return; - - if (ttl) - service_reply_a(iface, ttl); + vlist_for_each_element(&services, s, node) { + if (!match || !strcmp(s->service, match)) + service_reply_single(iface, s, ttl, 0); + } } void -service_announce_services(struct interface *iface, const char *service, int ttl) +service_announce_services(struct interface *iface, int tcp, int ttl) { struct service *s; - int tcp = 1; - - if (!strcmp(service, sdudp)) - tcp = 0; - else if (strcmp(service, sdtcp)) - return; vlist_for_each_element(&services, s, node) { if (!strstr(s->service, "._tcp") && tcp) @@ -217,15 +173,15 @@ service_announce_services(struct interface *iface, const char *service, int ttl) else dns_send_answer(iface, sdudp); } - service_reply(iface, s->service, ttl); + service_reply_single(iface, s, ttl, 0); } } void service_announce(struct interface *iface, int ttl) { - service_announce_services(iface, sdudp, ttl); - service_announce_services(iface, sdtcp, ttl); + service_announce_services(iface, 0, ttl); + service_announce_services(iface, 1, ttl); } static void @@ -240,7 +196,7 @@ service_update(struct vlist_tree *tree, struct vlist_node *node_new, if (service_init_announce) vlist_for_each_element(&interfaces, iface, node) { s->t = 0; - service_reply_single(iface, s, NULL, announce_ttl, 1); + service_reply_single(iface, s, announce_ttl, 1); } return; } @@ -248,7 +204,7 @@ service_update(struct vlist_tree *tree, struct vlist_node *node_new, s = container_of(node_old, struct service, node); if (!node_new && service_init_announce) vlist_for_each_element(&interfaces, iface, node) - service_reply_single(iface, s, NULL, 0, 1); + service_reply_single(iface, s, 0, 1); free(s); } @@ -267,7 +223,7 @@ service_load_blob(struct blob_attr *b) if (!_tb[SERVICE_PORT] || !_tb[SERVICE_SERVICE]) return; - if (_tb[SERVICE_SERVICE]) + if (_tb[SERVICE_TXT]) blobmsg_for_each_attr(txt, _tb[SERVICE_TXT], rem2) txt_len += 1 + strlen(blobmsg_get_string(txt)); @@ -286,7 +242,7 @@ service_load_blob(struct blob_attr *b) s->txt_len = txt_len; s->txt = d_txt; - if (_tb[SERVICE_SERVICE]) + if (_tb[SERVICE_TXT]) blobmsg_for_each_attr(txt, _tb[SERVICE_TXT], rem2) { int len = strlen(blobmsg_get_string(txt)); if (!len)