1 files changed, 133 insertions, 0 deletions
diff --git a/Utilities/cmlibuv/src/unix/bsd-ifaddrs.c b/Utilities/cmlibuv/src/unix/bsd-ifaddrs.c
new file mode 100644
index 0000000..0b5653d
--- /dev/null
+++ b/Utilities/cmlibuv/src/unix/bsd-ifaddrs.c
@@ -0,0 +1,133 @@
+/* Copyright libuv project contributors. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include "uv.h"
+#include "internal.h"
+
+#include <errno.h>
+#include <stddef.h>
+
+#include <ifaddrs.h>
+#include <net/if.h>
+#include <net/if_dl.h>
+
+static int uv__ifaddr_exclude(struct ifaddrs *ent) {
+  if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
+    return 1;
+  if (ent->ifa_addr == NULL)
+    return 1;
+#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__DragonFly__)
+  /*
+   * On BSD getifaddrs returns information related to the raw underlying
+   * devices.  We're not interested in this information.
+   */
+  if (ent->ifa_addr->sa_family == AF_LINK)
+    return 1;
+#elif defined(__NetBSD__) || defined(__OpenBSD__)
+  if (ent->ifa_addr->sa_family != PF_INET)
+    return 1;
+#endif
+  return 0;
+}
+
+int uv_interface_addresses(uv_interface_address_t** addresses, int* count) {
+  struct ifaddrs* addrs;
+  struct ifaddrs* ent;
+  uv_interface_address_t* address;
+  int i;
+
+  if (getifaddrs(&addrs) != 0)
+    return -errno;
+
+  *count = 0;
+
+  /* Count the number of interfaces */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (uv__ifaddr_exclude(ent))
+      continue;
+    (*count)++;
+  }
+
+  *addresses = uv__malloc(*count * sizeof(**addresses));
+
+  if (*addresses == NULL) {
+    freeifaddrs(addrs);
+    return -ENOMEM;
+  }
+
+  address = *addresses;
+
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (uv__ifaddr_exclude(ent))
+      continue;
+
+    address->name = uv__strdup(ent->ifa_name);
+
+    if (ent->ifa_addr->sa_family == AF_INET6) {
+      address->address.address6 = *((struct sockaddr_in6*) ent->ifa_addr);
+    } else {
+      address->address.address4 = *((struct sockaddr_in*) ent->ifa_addr);
+    }
+
+    if (ent->ifa_netmask->sa_family == AF_INET6) {
+      address->netmask.netmask6 = *((struct sockaddr_in6*) ent->ifa_netmask);
+    } else {
+      address->netmask.netmask4 = *((struct sockaddr_in*) ent->ifa_netmask);
+    }
+
+    address->is_internal = !!(ent->ifa_flags & IFF_LOOPBACK);
+
+    address++;
+  }
+
+  /* Fill in physical addresses for each interface */
+  for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
+    if (uv__ifaddr_exclude(ent))
+      continue;
+
+    address = *addresses;
+
+    for (i = 0; i < *count; i++) {
+      if (strcmp(address->name, ent->ifa_name) == 0) {
+        struct sockaddr_dl* sa_addr;
+        sa_addr = (struct sockaddr_dl*)(ent->ifa_addr);
+        memcpy(address->phys_addr, LLADDR(sa_addr), sizeof(address->phys_addr));
+      }
+      address++;
+    }
+  }
+
+  freeifaddrs(addrs);
+
+  return 0;
+}
+
+
+void uv_free_interface_addresses(uv_interface_address_t* addresses,
+                                 int count) {
+  int i;
+
+  for (i = 0; i < count; i++) {
+    uv__free(addresses[i].name);
+  }
+
+  uv__free(addresses);
+}