From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../third_party/nICEr/src/stun/addrs-bsd.c         | 110 +++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 dom/media/webrtc/transport/third_party/nICEr/src/stun/addrs-bsd.c

(limited to 'dom/media/webrtc/transport/third_party/nICEr/src/stun/addrs-bsd.c')

diff --git a/dom/media/webrtc/transport/third_party/nICEr/src/stun/addrs-bsd.c b/dom/media/webrtc/transport/third_party/nICEr/src/stun/addrs-bsd.c
new file mode 100644
index 0000000000..ec2d084445
--- /dev/null
+++ b/dom/media/webrtc/transport/third_party/nICEr/src/stun/addrs-bsd.c
@@ -0,0 +1,110 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#if defined(BSD) || defined(DARWIN)
+#include "addrs-bsd.h"
+#include <csi_platform.h>
+#include <assert.h>
+#include <string.h>
+#include "util.h"
+#include "stun_util.h"
+#include "util.h"
+#include <r_macros.h>
+
+#include <sys/types.h> /* getifaddrs */
+#include <ifaddrs.h> /* getifaddrs */
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <netinet6/in6_var.h>
+
+static int
+stun_ifaddr_get_v6_flags(struct ifaddrs *ifaddr)
+{
+  if (ifaddr->ifa_addr->sa_family != AF_INET6) {
+    return 0;
+  }
+
+  int flags = 0;
+  int s = socket(AF_INET6, SOCK_DGRAM, 0);
+  if (!s) {
+    r_log(NR_LOG_STUN, LOG_ERR, "socket(AF_INET6, SOCK_DGRAM, 0) failed, errno=%d", errno);
+    assert(0);
+    return 0;
+  }
+  struct in6_ifreq ifr6;
+  memset(&ifr6, 0, sizeof(ifr6));
+  strncpy(ifr6.ifr_name, ifaddr->ifa_name, sizeof(ifr6.ifr_name));
+  /* ifr_addr is a sockaddr_in6, ifa_addr is a sockaddr* */
+  struct sockaddr_in6 *sin6 = (struct sockaddr_in6*)ifaddr->ifa_addr;
+  ifr6.ifr_addr = *sin6;
+  if (ioctl(s, SIOCGIFAFLAG_IN6, &ifr6) != -1) {
+    flags = ifr6.ifr_ifru.ifru_flags6;
+  } else {
+    r_log(NR_LOG_STUN, LOG_ERR, "ioctl(SIOCGIFAFLAG_IN6) failed, errno=%d", errno);
+    assert(0);
+  }
+  close(s);
+  return flags;
+}
+
+static int
+stun_ifaddr_is_disallowed_v6(int flags) {
+  return flags & (IN6_IFF_ANYCAST | IN6_IFF_TENTATIVE | IN6_IFF_DUPLICATED | IN6_IFF_DETACHED | IN6_IFF_DEPRECATED);
+}
+
+int stun_getaddrs_filtered(nr_local_addr addrs[], int maxaddrs, int *count)
+{
+  int r,_status,flags;
+  struct ifaddrs* if_addrs_head=NULL;
+  struct ifaddrs* if_addr;
+
+  *count = 0;
+
+  if (maxaddrs <= 0)
+    ABORT(R_BAD_ARGS);
+
+  if (getifaddrs(&if_addrs_head) == -1) {
+    r_log(NR_LOG_STUN, LOG_ERR, "getifaddrs error e = %d", errno);
+    ABORT(R_INTERNAL);
+  }
+
+  if_addr = if_addrs_head;
+
+  while (if_addr && *count < maxaddrs) {
+    /* This can be null */
+    if (if_addr->ifa_addr) {
+      switch (if_addr->ifa_addr->sa_family) {
+        case AF_INET:
+        case AF_INET6:
+          flags = stun_ifaddr_get_v6_flags(if_addr);
+          if (!stun_ifaddr_is_disallowed_v6(flags)) {
+            if (r=nr_sockaddr_to_transport_addr(if_addr->ifa_addr, IPPROTO_UDP, 0, &(addrs[*count].addr))) {
+              r_log(NR_LOG_STUN, LOG_ERR, "nr_sockaddr_to_transport_addr error r = %d", r);
+            } else {
+              if (flags & IN6_IFF_TEMPORARY) {
+                addrs[*count].flags |= NR_ADDR_FLAG_TEMPORARY;
+              }
+              (void)strlcpy(addrs[*count].addr.ifname, if_addr->ifa_name, sizeof(addrs[*count].addr.ifname));
+              ++(*count);
+            }
+          }
+          break;
+        default:
+          ;
+      }
+    }
+
+    if_addr = if_addr->ifa_next;
+  }
+
+  _status=0;
+abort:
+  if (if_addrs_head) {
+    freeifaddrs(if_addrs_head);
+  }
+  return(_status);
+}
+#endif
-- 
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