#include <sys/param.h>
#ifdef HAVE_SYS_SYSCTL_H
#include <sys/sysctl.h>
+#else
+#include <sys/sockio.h>
#endif
#include <net/route.h>
}
}
+#ifndef HAVE_SYS_SYSCTL_H
+/*
+ * I got this function from GNU zsbra
+ */
+static int ip6_masklen (struct in6_addr netmask) {
+ int len = 0;
+ unsigned char val;
+ unsigned char *pnt;
+
+ pnt = (unsigned char *) & netmask;
+
+ while ((*pnt == 0xff) && len < 128) {
+ len += 8;
+ pnt++;
+ }
+
+ if (len < 128) {
+ val = *pnt;
+ while (val) {
+ len++;
+ val <<= 1;
+ }
+ }
+ return len;
+}
+
+static void if_add_interface(struct lifreq *lifreq, AvahiInterfaceMonitor *m, int fd, int count)
+{
+ AvahiHwInterface *hw;
+ AvahiAddress addr;
+ struct lifreq lifrcopy;
+ unsigned int index;
+ int flags;
+ int mtu;
+ int prefixlen;
+ AvahiInterfaceAddress *addriface;
+ AvahiInterface *iface;
+ struct sockaddr_in mask;
+ struct sockaddr_in6 mask6;
+ char caddr[AVAHI_ADDRESS_STR_MAX];
+
+ lifrcopy = *lifreq;
+
+ if (ioctl(fd, SIOCGLIFFLAGS, &lifrcopy) < 0) {
+ avahi_log_error(__FILE__": ioctl(SIOCGLIFFLAGS) %s", strerror(errno));
+ return;
+ }
+ flags = lifrcopy.lifr_flags;
+
+ if (ioctl(fd, SIOCGLIFMTU, &lifrcopy) < 0) {
+ avahi_log_error(__FILE__": ioctl(SIOCGLIFMTU) %s", strerror(errno));
+ return;
+ }
+ mtu = lifrcopy.lifr_metric;
+
+ if (ioctl(fd, SIOCGLIFADDR, &lifrcopy) < 0) {
+ avahi_log_error(__FILE__": ioctl(SIOCGLIFADDR) %s", strerror(errno));
+ return;
+ }
+ addr.proto = avahi_af_to_proto(lifreq->lifr_addr.ss_family);
+ if (ioctl(fd, SIOCGLIFNETMASK, &lifrcopy) < 0) {
+ avahi_log_error(__FILE__": ioctl(SIOCGLIFNETMASK) %s", strerror(errno));
+ return;
+ }
+ switch (lifreq->lifr_addr.ss_family) {
+ case AF_INET:
+ memcpy(addr.data.data, &((struct sockaddr_in *)&lifreq->lifr_addr)->sin_addr, sizeof(struct in_addr));
+ memcpy(&mask, &((struct sockaddr_in *)&lifrcopy.lifr_addr)->sin_addr, sizeof(struct in_addr));
+ prefixlen = bitcount((unsigned int) mask.sin_addr.s_addr);
+ break;
+ case AF_INET6:
+ memcpy(addr.data.data, &((struct sockaddr_in6 *)&lifreq->lifr_addr)->sin6_addr, sizeof(struct in6_addr));
+ memcpy(&mask6, &((struct sockaddr_in6 *)&lifrcopy.lifr_addr)->sin6_addr, sizeof(struct in6_addr));
+ prefixlen = lifrcopy.lifr_addrlen;
+ break;
+ default:
+ break;
+ }
+ index = if_nametoindex(lifreq->lifr_name);
+
+ if (!(hw = avahi_interface_monitor_get_hw_interface(m, (AvahiIfIndex) index))) {
+ if (!(hw = avahi_hw_interface_new(m, (AvahiIfIndex) index)))
+ return; /* OOM */
+
+ hw->flags_ok =
+ (flags & IFF_UP) &&
+ (!m->server->config.use_iff_running || (flags & IFF_RUNNING)) &&
+ !(flags & IFF_LOOPBACK) &&
+ (flags & IFF_MULTICAST) &&
+ (m->server->config.allow_point_to_point || !(flags & IFF_POINTOPOINT));
+ hw->name = avahi_strdup(lifreq->lifr_name);
+ hw->mtu = mtu;
+ /* TODO get mac address */
+ }
+
+ if (!(iface = avahi_interface_monitor_get_interface(m, (AvahiIfIndex)index, addr.proto)))
+ return;
+
+ if (!(addriface = avahi_interface_monitor_get_address(m, iface, &addr)))
+ if (!(addriface = avahi_interface_address_new(m, iface, &addr, prefixlen)))
+ return; /* OOM */
+
+ addriface->global_scope = 1;
+
+ avahi_hw_interface_check_relevant(hw);
+ avahi_hw_interface_update_rrs(hw, 0);
+}
+#endif
+
void avahi_interface_monitor_sync(AvahiInterfaceMonitor *m) {
+#ifdef HAVE_SYS_SYSCTL_H
size_t needed;
int mib[6];
char *buf, *lim, *next, count = 0;
assert(m);
retry2:
-#ifdef HAVE_SYS_SYSCTL_H
mib[0] = CTL_NET;
mib[1] = PF_ROUTE;
mib[2] = 0; /* protocol */
avahi_log_error("route-sysctl-estimate");
return;
}
-#endif
if ((buf = avahi_malloc(needed)) == NULL)
{
avahi_log_error("malloc failed in avahi_interface_monitor_sync");
return;
}
-#ifdef HAVE_SYS_SYSCTL_H
if (sysctl(mib, 6, buf, &needed, NULL, 0) < 0) {
avahi_log_warn("sysctl failed: %s", strerror(errno));
if (errno == ENOMEM && count++ < 10) {
goto retry2;
}
}
-#endif
lim = buf + needed;
for (next = buf; next < lim; next += rtm->rtm_msglen) {
rtm = (struct rt_msghdr *)next;
avahi_interface_monitor_check_relevant(m);
avahi_interface_monitor_update_rrs(m, 0);
avahi_log_info("Network interface enumeration completed.");
+#else
+ int sockfd;
+ int ret;
+ int n;
+ struct lifnum lifn;
+ struct lifconf lifc;
+ struct lifreq *lifreq;
+
+ if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+ avahi_log_error(__FILE__": socket(PFROUTE): %s", strerror(errno));
+ return;
+ }
+ lifc.lifc_buf = NULL;
+ lifn.lifn_family = AF_UNSPEC;
+ lifn.lifn_flags = 0;
+ if (ioctl(sockfd, SIOCGLIFNUM, &lifn) < 0) {
+ avahi_log_error(__FILE__": ioctl(SIOCGLIFNUM): %s", strerror(errno));
+ goto end;
+ }
+ lifc.lifc_len = lifn.lifn_count * sizeof (struct lifreq);
+ if ((lifc.lifc_buf = avahi_malloc(lifc.lifc_len)) == NULL) {
+ avahi_log_error("malloc failed in avahi_interface_monitor_sync");
+ goto end;
+ }
+ lifc.lifc_family = NULL;
+ lifc.lifc_flags = 0;
+ if(ioctl(sockfd, SIOCGLIFCONF, &lifc) < 0) {
+ avahi_log_error(__FILE__": ioctl(SIOCGLIFCONF): %s", strerror(errno));
+ goto end;
+ }
+ lifreq = lifc.lifc_req;
+
+ for (n = 0; n < lifc.lifc_len; n += sizeof(struct lifreq)) {
+ if_add_interface(lifreq, m, sockfd, lifn.lifn_count);
+ lifreq++;
+ }
+ m->list_complete = 1;
+ avahi_interface_monitor_check_relevant(m);
+ avahi_interface_monitor_update_rrs(m, 0);
+end:
+ close(sockfd);
+ avahi_free(lifc.lifc_buf);
+
+ avahi_log_info("Network interface enumeration completed.");
+#endif
}
projects / catta / blobdiff